extern void __VERIFIER_error() __attribute__ ((__noreturn__)); /* Generated by CIL v. 1.5.1 */ /* print_CIL_Input is false */ typedef unsigned char __u8; typedef short __s16; typedef unsigned short __u16; typedef int __s32; typedef unsigned int __u32; typedef unsigned long long __u64; typedef signed char s8; typedef unsigned char u8; typedef unsigned short u16; typedef int s32; typedef unsigned int u32; typedef long long s64; typedef unsigned long long u64; typedef long __kernel_long_t; typedef unsigned long __kernel_ulong_t; typedef int __kernel_pid_t; typedef unsigned int __kernel_uid32_t; typedef unsigned int __kernel_gid32_t; typedef __kernel_ulong_t __kernel_size_t; typedef __kernel_long_t __kernel_ssize_t; typedef long long __kernel_loff_t; typedef __kernel_long_t __kernel_time_t; typedef __kernel_long_t __kernel_clock_t; typedef int __kernel_timer_t; typedef int __kernel_clockid_t; typedef __u16 __be16; typedef __u32 __be32; typedef __u16 __sum16; typedef __u32 __wsum; struct kernel_symbol { unsigned long value ; char const *name ; }; struct module; typedef __u32 __kernel_dev_t; typedef __kernel_dev_t dev_t; typedef unsigned short umode_t; typedef __kernel_pid_t pid_t; typedef __kernel_clockid_t clockid_t; typedef _Bool bool; typedef __kernel_uid32_t uid_t; typedef __kernel_gid32_t gid_t; typedef __kernel_loff_t loff_t; typedef __kernel_size_t size_t; typedef __kernel_ssize_t ssize_t; typedef __kernel_time_t time_t; typedef __s16 int16_t; typedef __s32 int32_t; typedef __u8 uint8_t; typedef __u16 uint16_t; typedef __u32 uint32_t; typedef __u64 uint64_t; typedef unsigned long sector_t; typedef unsigned long blkcnt_t; typedef u64 dma_addr_t; typedef unsigned int gfp_t; typedef unsigned int fmode_t; typedef unsigned int oom_flags_t; typedef u64 phys_addr_t; struct __anonstruct_atomic_t_6 { int counter ; }; typedef struct __anonstruct_atomic_t_6 atomic_t; struct __anonstruct_atomic64_t_7 { long counter ; }; typedef struct __anonstruct_atomic64_t_7 atomic64_t; struct list_head { struct list_head *next ; struct list_head *prev ; }; struct hlist_node; struct hlist_head { struct hlist_node *first ; }; struct hlist_node { struct hlist_node *next ; struct hlist_node **pprev ; }; struct callback_head { struct callback_head *next ; void (*func)(struct callback_head * ) ; }; struct pt_regs { unsigned long r15 ; unsigned long r14 ; unsigned long r13 ; unsigned long r12 ; unsigned long bp ; unsigned long bx ; unsigned long r11 ; unsigned long r10 ; unsigned long r9 ; unsigned long r8 ; unsigned long ax ; unsigned long cx ; unsigned long dx ; unsigned long si ; unsigned long di ; unsigned long orig_ax ; unsigned long ip ; unsigned long cs ; unsigned long flags ; unsigned long sp ; unsigned long ss ; }; struct __anonstruct____missing_field_name_9 { unsigned int a ; unsigned int b ; }; struct __anonstruct____missing_field_name_10 { u16 limit0 ; u16 base0 ; unsigned char base1 ; unsigned char type : 4 ; unsigned char s : 1 ; unsigned char dpl : 2 ; unsigned char p : 1 ; unsigned char limit : 4 ; unsigned char avl : 1 ; unsigned char l : 1 ; unsigned char d : 1 ; unsigned char g : 1 ; unsigned char base2 ; }; union __anonunion____missing_field_name_8 { struct __anonstruct____missing_field_name_9 __annonCompField4 ; struct __anonstruct____missing_field_name_10 __annonCompField5 ; }; struct desc_struct { union __anonunion____missing_field_name_8 __annonCompField6 ; }; typedef unsigned long pteval_t; typedef unsigned long pgdval_t; typedef unsigned long pgprotval_t; struct __anonstruct_pte_t_11 { pteval_t pte ; }; typedef struct __anonstruct_pte_t_11 pte_t; struct pgprot { pgprotval_t pgprot ; }; typedef struct pgprot pgprot_t; struct __anonstruct_pgd_t_12 { pgdval_t pgd ; }; typedef struct __anonstruct_pgd_t_12 pgd_t; struct page; typedef struct page *pgtable_t; struct file; struct seq_file; struct thread_struct; struct mm_struct; struct task_struct; struct cpumask; struct qspinlock { atomic_t val ; }; typedef struct qspinlock arch_spinlock_t; struct qrwlock { atomic_t cnts ; arch_spinlock_t lock ; }; typedef struct qrwlock arch_rwlock_t; typedef void (*ctor_fn_t)(void); struct _ddebug { char const *modname ; char const *function ; char const *filename ; char const *format ; unsigned int lineno : 18 ; unsigned char flags ; }; struct device; struct net_device; struct file_operations; struct completion; struct bug_entry { int bug_addr_disp ; int file_disp ; unsigned short line ; unsigned short flags ; }; struct timespec; struct compat_timespec; struct __anonstruct_futex_16 { u32 *uaddr ; u32 val ; u32 flags ; u32 bitset ; u64 time ; u32 *uaddr2 ; }; struct __anonstruct_nanosleep_17 { clockid_t clockid ; struct timespec *rmtp ; struct compat_timespec *compat_rmtp ; u64 expires ; }; struct pollfd; struct __anonstruct_poll_18 { struct pollfd *ufds ; int nfds ; int has_timeout ; unsigned long tv_sec ; unsigned long tv_nsec ; }; union __anonunion____missing_field_name_15 { struct __anonstruct_futex_16 futex ; struct __anonstruct_nanosleep_17 nanosleep ; struct __anonstruct_poll_18 poll ; }; struct restart_block { long (*fn)(struct restart_block * ) ; union __anonunion____missing_field_name_15 __annonCompField7 ; }; struct kernel_vm86_regs { struct pt_regs pt ; unsigned short es ; unsigned short __esh ; unsigned short ds ; unsigned short __dsh ; unsigned short fs ; unsigned short __fsh ; unsigned short gs ; unsigned short __gsh ; }; union __anonunion____missing_field_name_19 { struct pt_regs *regs ; struct kernel_vm86_regs *vm86 ; }; struct math_emu_info { long ___orig_eip ; union __anonunion____missing_field_name_19 __annonCompField8 ; }; struct cpumask { unsigned long bits[128U] ; }; typedef struct cpumask cpumask_t; typedef struct cpumask *cpumask_var_t; struct static_key; struct fregs_state { u32 cwd ; u32 swd ; u32 twd ; u32 fip ; u32 fcs ; u32 foo ; u32 fos ; u32 st_space[20U] ; u32 status ; }; struct __anonstruct____missing_field_name_29 { u64 rip ; u64 rdp ; }; struct __anonstruct____missing_field_name_30 { u32 fip ; u32 fcs ; u32 foo ; u32 fos ; }; union __anonunion____missing_field_name_28 { struct __anonstruct____missing_field_name_29 __annonCompField12 ; struct __anonstruct____missing_field_name_30 __annonCompField13 ; }; union __anonunion____missing_field_name_31 { u32 padding1[12U] ; u32 sw_reserved[12U] ; }; struct fxregs_state { u16 cwd ; u16 swd ; u16 twd ; u16 fop ; union __anonunion____missing_field_name_28 __annonCompField14 ; u32 mxcsr ; u32 mxcsr_mask ; u32 st_space[32U] ; u32 xmm_space[64U] ; u32 padding[12U] ; union __anonunion____missing_field_name_31 __annonCompField15 ; }; struct swregs_state { u32 cwd ; u32 swd ; u32 twd ; u32 fip ; u32 fcs ; u32 foo ; u32 fos ; u32 st_space[20U] ; u8 ftop ; u8 changed ; u8 lookahead ; u8 no_update ; u8 rm ; u8 alimit ; struct math_emu_info *info ; u32 entry_eip ; }; struct xstate_header { u64 xfeatures ; u64 xcomp_bv ; u64 reserved[6U] ; }; struct xregs_state { struct fxregs_state i387 ; struct xstate_header header ; u8 __reserved[464U] ; }; union fpregs_state { struct fregs_state fsave ; struct fxregs_state fxsave ; struct swregs_state soft ; struct xregs_state xsave ; }; struct fpu { union fpregs_state state ; unsigned int last_cpu ; unsigned char fpstate_active ; unsigned char fpregs_active ; unsigned char counter ; }; struct seq_operations; struct perf_event; struct thread_struct { struct desc_struct tls_array[3U] ; unsigned long sp0 ; unsigned long sp ; unsigned short es ; unsigned short ds ; unsigned short fsindex ; unsigned short gsindex ; unsigned long fs ; unsigned long gs ; struct fpu fpu ; struct perf_event *ptrace_bps[4U] ; unsigned long debugreg6 ; unsigned long ptrace_dr7 ; unsigned long cr2 ; unsigned long trap_nr ; unsigned long error_code ; unsigned long *io_bitmap_ptr ; unsigned long iopl ; unsigned int io_bitmap_max ; }; typedef atomic64_t atomic_long_t; struct lockdep_map; struct stack_trace { unsigned int nr_entries ; unsigned int max_entries ; unsigned long *entries ; int skip ; }; struct lockdep_subclass_key { char __one_byte ; }; struct lock_class_key { struct lockdep_subclass_key subkeys[8U] ; }; struct lock_class { struct list_head hash_entry ; struct list_head lock_entry ; struct lockdep_subclass_key *key ; unsigned int subclass ; unsigned int dep_gen_id ; unsigned long usage_mask ; struct stack_trace usage_traces[13U] ; struct list_head locks_after ; struct list_head locks_before ; unsigned int version ; unsigned long ops ; char const *name ; int name_version ; unsigned long contention_point[4U] ; unsigned long contending_point[4U] ; }; struct lockdep_map { struct lock_class_key *key ; struct lock_class *class_cache[2U] ; char const *name ; int cpu ; unsigned long ip ; }; struct held_lock { u64 prev_chain_key ; unsigned long acquire_ip ; struct lockdep_map *instance ; struct lockdep_map *nest_lock ; u64 waittime_stamp ; u64 holdtime_stamp ; unsigned short class_idx : 13 ; unsigned char irq_context : 2 ; unsigned char trylock : 1 ; unsigned char read : 2 ; unsigned char check : 1 ; unsigned char hardirqs_off : 1 ; unsigned short references : 12 ; unsigned int pin_count ; }; struct raw_spinlock { arch_spinlock_t raw_lock ; unsigned int magic ; unsigned int owner_cpu ; void *owner ; struct lockdep_map dep_map ; }; typedef struct raw_spinlock raw_spinlock_t; struct __anonstruct____missing_field_name_35 { u8 __padding[24U] ; struct lockdep_map dep_map ; }; union __anonunion____missing_field_name_34 { struct raw_spinlock rlock ; struct __anonstruct____missing_field_name_35 __annonCompField17 ; }; struct spinlock { union __anonunion____missing_field_name_34 __annonCompField18 ; }; typedef struct spinlock spinlock_t; struct __anonstruct_rwlock_t_36 { arch_rwlock_t raw_lock ; unsigned int magic ; unsigned int owner_cpu ; void *owner ; struct lockdep_map dep_map ; }; typedef struct __anonstruct_rwlock_t_36 rwlock_t; struct static_key { atomic_t enabled ; }; struct seqcount { unsigned int sequence ; struct lockdep_map dep_map ; }; typedef struct seqcount seqcount_t; struct __anonstruct_seqlock_t_45 { struct seqcount seqcount ; spinlock_t lock ; }; typedef struct __anonstruct_seqlock_t_45 seqlock_t; struct timespec { __kernel_time_t tv_sec ; long tv_nsec ; }; struct user_namespace; struct __anonstruct_kuid_t_46 { uid_t val ; }; typedef struct __anonstruct_kuid_t_46 kuid_t; struct __anonstruct_kgid_t_47 { gid_t val ; }; typedef struct __anonstruct_kgid_t_47 kgid_t; struct kstat { u64 ino ; dev_t dev ; umode_t mode ; unsigned int nlink ; kuid_t uid ; kgid_t gid ; dev_t rdev ; loff_t size ; struct timespec atime ; struct timespec mtime ; struct timespec ctime ; unsigned long blksize ; unsigned long long blocks ; }; struct vm_area_struct; struct __wait_queue; typedef struct __wait_queue wait_queue_t; struct __wait_queue { unsigned int flags ; void *private ; int (*func)(wait_queue_t * , unsigned int , int , void * ) ; struct list_head task_list ; }; struct __wait_queue_head { spinlock_t lock ; struct list_head task_list ; }; typedef struct __wait_queue_head wait_queue_head_t; struct __anonstruct_nodemask_t_48 { unsigned long bits[16U] ; }; typedef struct __anonstruct_nodemask_t_48 nodemask_t; struct optimistic_spin_queue { atomic_t tail ; }; struct mutex { atomic_t count ; spinlock_t wait_lock ; struct list_head wait_list ; struct task_struct *owner ; void *magic ; struct lockdep_map dep_map ; }; struct mutex_waiter { struct list_head list ; struct task_struct *task ; void *magic ; }; struct rw_semaphore; struct rw_semaphore { long count ; struct list_head wait_list ; raw_spinlock_t wait_lock ; struct optimistic_spin_queue osq ; struct task_struct *owner ; struct lockdep_map dep_map ; }; struct completion { unsigned int done ; wait_queue_head_t wait ; }; union ktime { s64 tv64 ; }; typedef union ktime ktime_t; struct notifier_block; struct timer_list { struct hlist_node entry ; unsigned long expires ; void (*function)(unsigned long ) ; unsigned long data ; u32 flags ; int slack ; int start_pid ; void *start_site ; char start_comm[16U] ; struct lockdep_map lockdep_map ; }; struct hrtimer; enum hrtimer_restart; struct rb_node { unsigned long __rb_parent_color ; struct rb_node *rb_right ; struct rb_node *rb_left ; }; struct rb_root { struct rb_node *rb_node ; }; struct ctl_table; struct nsproxy; struct ctl_table_root; struct ctl_table_header; struct ctl_dir; typedef int proc_handler(struct ctl_table * , int , void * , size_t * , loff_t * ); struct ctl_table_poll { atomic_t event ; wait_queue_head_t wait ; }; struct ctl_table { char const *procname ; void *data ; int maxlen ; umode_t mode ; struct ctl_table *child ; proc_handler *proc_handler ; struct ctl_table_poll *poll ; void *extra1 ; void *extra2 ; }; struct ctl_node { struct rb_node node ; struct ctl_table_header *header ; }; struct __anonstruct____missing_field_name_50 { struct ctl_table *ctl_table ; int used ; int count ; int nreg ; }; union __anonunion____missing_field_name_49 { struct __anonstruct____missing_field_name_50 __annonCompField19 ; struct callback_head rcu ; }; struct ctl_table_set; struct ctl_table_header { union __anonunion____missing_field_name_49 __annonCompField20 ; struct completion *unregistering ; struct ctl_table *ctl_table_arg ; struct ctl_table_root *root ; struct ctl_table_set *set ; struct ctl_dir *parent ; struct ctl_node *node ; }; struct ctl_dir { struct ctl_table_header header ; struct rb_root root ; }; struct ctl_table_set { int (*is_seen)(struct ctl_table_set * ) ; struct ctl_dir dir ; }; struct ctl_table_root { struct ctl_table_set default_set ; struct ctl_table_set *(*lookup)(struct ctl_table_root * , struct nsproxy * ) ; int (*permissions)(struct ctl_table_header * , struct ctl_table * ) ; }; struct workqueue_struct; struct work_struct; struct work_struct { atomic_long_t data ; struct list_head entry ; void (*func)(struct work_struct * ) ; struct lockdep_map lockdep_map ; }; struct delayed_work { struct work_struct work ; struct timer_list timer ; struct workqueue_struct *wq ; int cpu ; }; struct notifier_block { int (*notifier_call)(struct notifier_block * , unsigned long , void * ) ; struct notifier_block *next ; int priority ; }; struct pm_message { int event ; }; typedef struct pm_message pm_message_t; struct dev_pm_ops { int (*prepare)(struct device * ) ; void (*complete)(struct device * ) ; int (*suspend)(struct device * ) ; int (*resume)(struct device * ) ; int (*freeze)(struct device * ) ; int (*thaw)(struct device * ) ; int (*poweroff)(struct device * ) ; int (*restore)(struct device * ) ; int (*suspend_late)(struct device * ) ; int (*resume_early)(struct device * ) ; int (*freeze_late)(struct device * ) ; int (*thaw_early)(struct device * ) ; int (*poweroff_late)(struct device * ) ; int (*restore_early)(struct device * ) ; int (*suspend_noirq)(struct device * ) ; int (*resume_noirq)(struct device * ) ; int (*freeze_noirq)(struct device * ) ; int (*thaw_noirq)(struct device * ) ; int (*poweroff_noirq)(struct device * ) ; int (*restore_noirq)(struct device * ) ; int (*runtime_suspend)(struct device * ) ; int (*runtime_resume)(struct device * ) ; int (*runtime_idle)(struct device * ) ; }; enum rpm_status { RPM_ACTIVE = 0, RPM_RESUMING = 1, RPM_SUSPENDED = 2, RPM_SUSPENDING = 3 } ; enum rpm_request { RPM_REQ_NONE = 0, RPM_REQ_IDLE = 1, RPM_REQ_SUSPEND = 2, RPM_REQ_AUTOSUSPEND = 3, RPM_REQ_RESUME = 4 } ; struct wakeup_source; struct wake_irq; struct pm_subsys_data { spinlock_t lock ; unsigned int refcount ; struct list_head clock_list ; }; struct dev_pm_qos; struct dev_pm_info { pm_message_t power_state ; unsigned char can_wakeup : 1 ; unsigned char async_suspend : 1 ; bool is_prepared ; bool is_suspended ; bool is_noirq_suspended ; bool is_late_suspended ; bool ignore_children ; bool early_init ; bool direct_complete ; spinlock_t lock ; struct list_head entry ; struct completion completion ; struct wakeup_source *wakeup ; bool wakeup_path ; bool syscore ; struct timer_list suspend_timer ; unsigned long timer_expires ; struct work_struct work ; wait_queue_head_t wait_queue ; struct wake_irq *wakeirq ; atomic_t usage_count ; atomic_t child_count ; unsigned char disable_depth : 3 ; unsigned char idle_notification : 1 ; unsigned char request_pending : 1 ; unsigned char deferred_resume : 1 ; unsigned char run_wake : 1 ; unsigned char runtime_auto : 1 ; unsigned char no_callbacks : 1 ; unsigned char irq_safe : 1 ; unsigned char use_autosuspend : 1 ; unsigned char timer_autosuspends : 1 ; unsigned char memalloc_noio : 1 ; enum rpm_request request ; enum rpm_status runtime_status ; int runtime_error ; int autosuspend_delay ; unsigned long last_busy ; unsigned long active_jiffies ; unsigned long suspended_jiffies ; unsigned long accounting_timestamp ; struct pm_subsys_data *subsys_data ; void (*set_latency_tolerance)(struct device * , s32 ) ; struct dev_pm_qos *qos ; }; struct dev_pm_domain { struct dev_pm_ops ops ; void (*detach)(struct device * , bool ) ; int (*activate)(struct device * ) ; void (*sync)(struct device * ) ; void (*dismiss)(struct device * ) ; }; struct __anonstruct_mm_context_t_115 { void *ldt ; int size ; unsigned short ia32_compat ; struct mutex lock ; void *vdso ; atomic_t perf_rdpmc_allowed ; }; typedef struct __anonstruct_mm_context_t_115 mm_context_t; enum xen_domain_type { XEN_NATIVE = 0, XEN_PV_DOMAIN = 1, XEN_HVM_DOMAIN = 2 } ; typedef unsigned long xen_pfn_t; typedef uint16_t domid_t; struct bio_vec; struct llist_node; struct llist_node { struct llist_node *next ; }; struct cred; struct inode; struct arch_uprobe_task { unsigned long saved_scratch_register ; unsigned int saved_trap_nr ; unsigned int saved_tf ; }; enum uprobe_task_state { UTASK_RUNNING = 0, UTASK_SSTEP = 1, UTASK_SSTEP_ACK = 2, UTASK_SSTEP_TRAPPED = 3 } ; struct __anonstruct____missing_field_name_148 { struct arch_uprobe_task autask ; unsigned long vaddr ; }; struct __anonstruct____missing_field_name_149 { struct callback_head dup_xol_work ; unsigned long dup_xol_addr ; }; union __anonunion____missing_field_name_147 { struct __anonstruct____missing_field_name_148 __annonCompField33 ; struct __anonstruct____missing_field_name_149 __annonCompField34 ; }; struct uprobe; struct return_instance; struct uprobe_task { enum uprobe_task_state state ; union __anonunion____missing_field_name_147 __annonCompField35 ; struct uprobe *active_uprobe ; unsigned long xol_vaddr ; struct return_instance *return_instances ; unsigned int depth ; }; struct xol_area; struct uprobes_state { struct xol_area *xol_area ; }; struct address_space; struct mem_cgroup; typedef void compound_page_dtor(struct page * ); union __anonunion____missing_field_name_150 { struct address_space *mapping ; void *s_mem ; }; union __anonunion____missing_field_name_152 { unsigned long index ; void *freelist ; bool pfmemalloc ; }; struct __anonstruct____missing_field_name_156 { unsigned short inuse ; unsigned short objects : 15 ; unsigned char frozen : 1 ; }; union __anonunion____missing_field_name_155 { atomic_t _mapcount ; struct __anonstruct____missing_field_name_156 __annonCompField38 ; int units ; }; struct __anonstruct____missing_field_name_154 { union __anonunion____missing_field_name_155 __annonCompField39 ; atomic_t _count ; }; union __anonunion____missing_field_name_153 { unsigned long counters ; struct __anonstruct____missing_field_name_154 __annonCompField40 ; unsigned int active ; }; struct __anonstruct____missing_field_name_151 { union __anonunion____missing_field_name_152 __annonCompField37 ; union __anonunion____missing_field_name_153 __annonCompField41 ; }; struct __anonstruct____missing_field_name_158 { struct page *next ; int pages ; int pobjects ; }; struct slab; struct __anonstruct____missing_field_name_159 { compound_page_dtor *compound_dtor ; unsigned long compound_order ; }; union __anonunion____missing_field_name_157 { struct list_head lru ; struct __anonstruct____missing_field_name_158 __annonCompField43 ; struct slab *slab_page ; struct callback_head callback_head ; struct __anonstruct____missing_field_name_159 __annonCompField44 ; pgtable_t pmd_huge_pte ; }; struct kmem_cache; union __anonunion____missing_field_name_160 { unsigned long private ; spinlock_t *ptl ; struct kmem_cache *slab_cache ; struct page *first_page ; }; struct page { unsigned long flags ; union __anonunion____missing_field_name_150 __annonCompField36 ; struct __anonstruct____missing_field_name_151 __annonCompField42 ; union __anonunion____missing_field_name_157 __annonCompField45 ; union __anonunion____missing_field_name_160 __annonCompField46 ; struct mem_cgroup *mem_cgroup ; }; struct page_frag { struct page *page ; __u32 offset ; __u32 size ; }; struct __anonstruct_shared_161 { struct rb_node rb ; unsigned long rb_subtree_last ; }; struct anon_vma; struct vm_operations_struct; struct mempolicy; struct vm_area_struct { unsigned long vm_start ; unsigned long vm_end ; struct vm_area_struct *vm_next ; struct vm_area_struct *vm_prev ; struct rb_node vm_rb ; unsigned long rb_subtree_gap ; struct mm_struct *vm_mm ; pgprot_t vm_page_prot ; unsigned long vm_flags ; struct __anonstruct_shared_161 shared ; struct list_head anon_vma_chain ; struct anon_vma *anon_vma ; struct vm_operations_struct const *vm_ops ; unsigned long vm_pgoff ; struct file *vm_file ; void *vm_private_data ; struct mempolicy *vm_policy ; }; struct core_thread { struct task_struct *task ; struct core_thread *next ; }; struct core_state { atomic_t nr_threads ; struct core_thread dumper ; struct completion startup ; }; struct task_rss_stat { int events ; int count[3U] ; }; struct mm_rss_stat { atomic_long_t count[3U] ; }; struct kioctx_table; struct linux_binfmt; struct mmu_notifier_mm; struct mm_struct { struct vm_area_struct *mmap ; struct rb_root mm_rb ; u32 vmacache_seqnum ; unsigned long (*get_unmapped_area)(struct file * , unsigned long , unsigned long , unsigned long , unsigned long ) ; unsigned long mmap_base ; unsigned long mmap_legacy_base ; unsigned long task_size ; unsigned long highest_vm_end ; pgd_t *pgd ; atomic_t mm_users ; atomic_t mm_count ; atomic_long_t nr_ptes ; atomic_long_t nr_pmds ; int map_count ; spinlock_t page_table_lock ; struct rw_semaphore mmap_sem ; struct list_head mmlist ; unsigned long hiwater_rss ; unsigned long hiwater_vm ; unsigned long total_vm ; unsigned long locked_vm ; unsigned long pinned_vm ; unsigned long shared_vm ; unsigned long exec_vm ; unsigned long stack_vm ; unsigned long def_flags ; unsigned long start_code ; unsigned long end_code ; unsigned long start_data ; unsigned long end_data ; unsigned long start_brk ; unsigned long brk ; unsigned long start_stack ; unsigned long arg_start ; unsigned long arg_end ; unsigned long env_start ; unsigned long env_end ; unsigned long saved_auxv[46U] ; struct mm_rss_stat rss_stat ; struct linux_binfmt *binfmt ; cpumask_var_t cpu_vm_mask_var ; mm_context_t context ; unsigned long flags ; struct core_state *core_state ; spinlock_t ioctx_lock ; struct kioctx_table *ioctx_table ; struct task_struct *owner ; struct file *exe_file ; struct mmu_notifier_mm *mmu_notifier_mm ; struct cpumask cpumask_allocation ; unsigned long numa_next_scan ; unsigned long numa_scan_offset ; int numa_scan_seq ; bool tlb_flush_pending ; struct uprobes_state uprobes_state ; void *bd_addr ; }; typedef __u64 Elf64_Addr; typedef __u16 Elf64_Half; typedef __u32 Elf64_Word; typedef __u64 Elf64_Xword; struct elf64_sym { Elf64_Word st_name ; unsigned char st_info ; unsigned char st_other ; Elf64_Half st_shndx ; Elf64_Addr st_value ; Elf64_Xword st_size ; }; typedef struct elf64_sym Elf64_Sym; union __anonunion____missing_field_name_166 { unsigned long bitmap[4U] ; struct callback_head callback_head ; }; struct idr_layer { int prefix ; int layer ; struct idr_layer *ary[256U] ; int count ; union __anonunion____missing_field_name_166 __annonCompField47 ; }; struct idr { struct idr_layer *hint ; struct idr_layer *top ; int layers ; int cur ; spinlock_t lock ; int id_free_cnt ; struct idr_layer *id_free ; }; struct ida_bitmap { long nr_busy ; unsigned long bitmap[15U] ; }; struct ida { struct idr idr ; struct ida_bitmap *free_bitmap ; }; struct dentry; struct iattr; struct super_block; struct file_system_type; struct kernfs_open_node; struct kernfs_iattrs; struct kernfs_root; struct kernfs_elem_dir { unsigned long subdirs ; struct rb_root children ; struct kernfs_root *root ; }; struct kernfs_node; struct kernfs_elem_symlink { struct kernfs_node *target_kn ; }; struct kernfs_ops; struct kernfs_elem_attr { struct kernfs_ops const *ops ; struct kernfs_open_node *open ; loff_t size ; struct kernfs_node *notify_next ; }; union __anonunion____missing_field_name_171 { struct kernfs_elem_dir dir ; struct kernfs_elem_symlink symlink ; struct kernfs_elem_attr attr ; }; struct kernfs_node { atomic_t count ; atomic_t active ; struct lockdep_map dep_map ; struct kernfs_node *parent ; char const *name ; struct rb_node rb ; void const *ns ; unsigned int hash ; union __anonunion____missing_field_name_171 __annonCompField48 ; void *priv ; unsigned short flags ; umode_t mode ; unsigned int ino ; struct kernfs_iattrs *iattr ; }; struct kernfs_syscall_ops { int (*remount_fs)(struct kernfs_root * , int * , char * ) ; int (*show_options)(struct seq_file * , struct kernfs_root * ) ; int (*mkdir)(struct kernfs_node * , char const * , umode_t ) ; int (*rmdir)(struct kernfs_node * ) ; int (*rename)(struct kernfs_node * , struct kernfs_node * , char const * ) ; }; struct kernfs_root { struct kernfs_node *kn ; unsigned int flags ; struct ida ino_ida ; struct kernfs_syscall_ops *syscall_ops ; struct list_head supers ; wait_queue_head_t deactivate_waitq ; }; struct kernfs_open_file { struct kernfs_node *kn ; struct file *file ; void *priv ; struct mutex mutex ; int event ; struct list_head list ; char *prealloc_buf ; size_t atomic_write_len ; bool mmapped ; struct vm_operations_struct const *vm_ops ; }; struct kernfs_ops { int (*seq_show)(struct seq_file * , void * ) ; void *(*seq_start)(struct seq_file * , loff_t * ) ; void *(*seq_next)(struct seq_file * , void * , loff_t * ) ; void (*seq_stop)(struct seq_file * , void * ) ; ssize_t (*read)(struct kernfs_open_file * , char * , size_t , loff_t ) ; size_t atomic_write_len ; bool prealloc ; ssize_t (*write)(struct kernfs_open_file * , char * , size_t , loff_t ) ; int (*mmap)(struct kernfs_open_file * , struct vm_area_struct * ) ; struct lock_class_key lockdep_key ; }; struct sock; struct kobject; enum kobj_ns_type { KOBJ_NS_TYPE_NONE = 0, KOBJ_NS_TYPE_NET = 1, KOBJ_NS_TYPES = 2 } ; struct kobj_ns_type_operations { enum kobj_ns_type type ; bool (*current_may_mount)(void) ; void *(*grab_current_ns)(void) ; void const *(*netlink_ns)(struct sock * ) ; void const *(*initial_ns)(void) ; void (*drop_ns)(void * ) ; }; struct bin_attribute; struct attribute { char const *name ; umode_t mode ; bool ignore_lockdep ; struct lock_class_key *key ; struct lock_class_key skey ; }; struct attribute_group { char const *name ; umode_t (*is_visible)(struct kobject * , struct attribute * , int ) ; struct attribute **attrs ; struct bin_attribute **bin_attrs ; }; struct bin_attribute { struct attribute attr ; size_t size ; void *private ; ssize_t (*read)(struct file * , struct kobject * , struct bin_attribute * , char * , loff_t , size_t ) ; ssize_t (*write)(struct file * , struct kobject * , struct bin_attribute * , char * , loff_t , size_t ) ; int (*mmap)(struct file * , struct kobject * , struct bin_attribute * , struct vm_area_struct * ) ; }; struct sysfs_ops { ssize_t (*show)(struct kobject * , struct attribute * , char * ) ; ssize_t (*store)(struct kobject * , struct attribute * , char const * , size_t ) ; }; struct kref { atomic_t refcount ; }; struct kset; struct kobj_type; struct kobject { char const *name ; struct list_head entry ; struct kobject *parent ; struct kset *kset ; struct kobj_type *ktype ; struct kernfs_node *sd ; struct kref kref ; struct delayed_work release ; unsigned char state_initialized : 1 ; unsigned char state_in_sysfs : 1 ; unsigned char state_add_uevent_sent : 1 ; unsigned char state_remove_uevent_sent : 1 ; unsigned char uevent_suppress : 1 ; }; struct kobj_type { void (*release)(struct kobject * ) ; struct sysfs_ops const *sysfs_ops ; struct attribute **default_attrs ; struct kobj_ns_type_operations const *(*child_ns_type)(struct kobject * ) ; void const *(*namespace)(struct kobject * ) ; }; struct kobj_uevent_env { char *argv[3U] ; char *envp[32U] ; int envp_idx ; char buf[2048U] ; int buflen ; }; struct kset_uevent_ops { int (* const filter)(struct kset * , struct kobject * ) ; char const *(* const name)(struct kset * , struct kobject * ) ; int (* const uevent)(struct kset * , struct kobject * , struct kobj_uevent_env * ) ; }; struct kset { struct list_head list ; spinlock_t list_lock ; struct kobject kobj ; struct kset_uevent_ops const *uevent_ops ; }; struct kernel_param; struct kernel_param_ops { unsigned int flags ; int (*set)(char const * , struct kernel_param const * ) ; int (*get)(char * , struct kernel_param const * ) ; void (*free)(void * ) ; }; struct kparam_string; struct kparam_array; union __anonunion____missing_field_name_172 { void *arg ; struct kparam_string const *str ; struct kparam_array const *arr ; }; struct kernel_param { char const *name ; struct module *mod ; struct kernel_param_ops const *ops ; u16 const perm ; s8 level ; u8 flags ; union __anonunion____missing_field_name_172 __annonCompField49 ; }; struct kparam_string { unsigned int maxlen ; char *string ; }; struct kparam_array { unsigned int max ; unsigned int elemsize ; unsigned int *num ; struct kernel_param_ops const *ops ; void *elem ; }; struct latch_tree_node { struct rb_node node[2U] ; }; struct mod_arch_specific { }; struct module_param_attrs; struct module_kobject { struct kobject kobj ; struct module *mod ; struct kobject *drivers_dir ; struct module_param_attrs *mp ; struct completion *kobj_completion ; }; struct module_attribute { struct attribute attr ; ssize_t (*show)(struct module_attribute * , struct module_kobject * , char * ) ; ssize_t (*store)(struct module_attribute * , struct module_kobject * , char const * , size_t ) ; void (*setup)(struct module * , char const * ) ; int (*test)(struct module * ) ; void (*free)(struct module * ) ; }; struct exception_table_entry; enum module_state { MODULE_STATE_LIVE = 0, MODULE_STATE_COMING = 1, MODULE_STATE_GOING = 2, MODULE_STATE_UNFORMED = 3 } ; struct mod_tree_node { struct module *mod ; struct latch_tree_node node ; }; struct module_sect_attrs; struct module_notes_attrs; struct tracepoint; struct trace_event_call; struct trace_enum_map; struct module { enum module_state state ; struct list_head list ; char name[56U] ; struct module_kobject mkobj ; struct module_attribute *modinfo_attrs ; char const *version ; char const *srcversion ; struct kobject *holders_dir ; struct kernel_symbol const *syms ; unsigned long const *crcs ; unsigned int num_syms ; struct mutex param_lock ; struct kernel_param *kp ; unsigned int num_kp ; unsigned int num_gpl_syms ; struct kernel_symbol const *gpl_syms ; unsigned long const *gpl_crcs ; struct kernel_symbol const *unused_syms ; unsigned long const *unused_crcs ; unsigned int num_unused_syms ; unsigned int num_unused_gpl_syms ; struct kernel_symbol const *unused_gpl_syms ; unsigned long const *unused_gpl_crcs ; bool sig_ok ; bool async_probe_requested ; struct kernel_symbol const *gpl_future_syms ; unsigned long const *gpl_future_crcs ; unsigned int num_gpl_future_syms ; unsigned int num_exentries ; struct exception_table_entry *extable ; int (*init)(void) ; void *module_init ; void *module_core ; unsigned int init_size ; unsigned int core_size ; unsigned int init_text_size ; unsigned int core_text_size ; struct mod_tree_node mtn_core ; struct mod_tree_node mtn_init ; unsigned int init_ro_size ; unsigned int core_ro_size ; struct mod_arch_specific arch ; unsigned int taints ; unsigned int num_bugs ; struct list_head bug_list ; struct bug_entry *bug_table ; Elf64_Sym *symtab ; Elf64_Sym *core_symtab ; unsigned int num_symtab ; unsigned int core_num_syms ; char *strtab ; char *core_strtab ; struct module_sect_attrs *sect_attrs ; struct module_notes_attrs *notes_attrs ; char *args ; void *percpu ; unsigned int percpu_size ; unsigned int num_tracepoints ; struct tracepoint * const *tracepoints_ptrs ; unsigned int num_trace_bprintk_fmt ; char const **trace_bprintk_fmt_start ; struct trace_event_call **trace_events ; unsigned int num_trace_events ; struct trace_enum_map **trace_enums ; unsigned int num_trace_enums ; unsigned int num_ftrace_callsites ; unsigned long *ftrace_callsites ; bool klp_alive ; struct list_head source_list ; struct list_head target_list ; void (*exit)(void) ; atomic_t refcnt ; ctor_fn_t (**ctors)(void) ; unsigned int num_ctors ; }; struct kernel_cap_struct { __u32 cap[2U] ; }; typedef struct kernel_cap_struct kernel_cap_t; struct plist_node { int prio ; struct list_head prio_list ; struct list_head node_list ; }; typedef unsigned long cputime_t; struct sem_undo_list; struct sysv_sem { struct sem_undo_list *undo_list ; }; struct user_struct; struct sysv_shm { struct list_head shm_clist ; }; struct __anonstruct_sigset_t_180 { unsigned long sig[1U] ; }; typedef struct __anonstruct_sigset_t_180 sigset_t; struct siginfo; typedef void __signalfn_t(int ); typedef __signalfn_t *__sighandler_t; typedef void __restorefn_t(void); typedef __restorefn_t *__sigrestore_t; union sigval { int sival_int ; void *sival_ptr ; }; typedef union sigval sigval_t; struct __anonstruct__kill_182 { __kernel_pid_t _pid ; __kernel_uid32_t _uid ; }; struct __anonstruct__timer_183 { __kernel_timer_t _tid ; int _overrun ; char _pad[0U] ; sigval_t _sigval ; int _sys_private ; }; struct __anonstruct__rt_184 { __kernel_pid_t _pid ; __kernel_uid32_t _uid ; sigval_t _sigval ; }; struct __anonstruct__sigchld_185 { __kernel_pid_t _pid ; __kernel_uid32_t _uid ; int _status ; __kernel_clock_t _utime ; __kernel_clock_t _stime ; }; struct __anonstruct__addr_bnd_187 { void *_lower ; void *_upper ; }; struct __anonstruct__sigfault_186 { void *_addr ; short _addr_lsb ; struct __anonstruct__addr_bnd_187 _addr_bnd ; }; struct __anonstruct__sigpoll_188 { long _band ; int _fd ; }; struct __anonstruct__sigsys_189 { void *_call_addr ; int _syscall ; unsigned int _arch ; }; union __anonunion__sifields_181 { int _pad[28U] ; struct __anonstruct__kill_182 _kill ; struct __anonstruct__timer_183 _timer ; struct __anonstruct__rt_184 _rt ; struct __anonstruct__sigchld_185 _sigchld ; struct __anonstruct__sigfault_186 _sigfault ; struct __anonstruct__sigpoll_188 _sigpoll ; struct __anonstruct__sigsys_189 _sigsys ; }; struct siginfo { int si_signo ; int si_errno ; int si_code ; union __anonunion__sifields_181 _sifields ; }; typedef struct siginfo siginfo_t; struct sigpending { struct list_head list ; sigset_t signal ; }; struct sigaction { __sighandler_t sa_handler ; unsigned long sa_flags ; __sigrestore_t sa_restorer ; sigset_t sa_mask ; }; struct k_sigaction { struct sigaction sa ; }; enum pid_type { PIDTYPE_PID = 0, PIDTYPE_PGID = 1, PIDTYPE_SID = 2, PIDTYPE_MAX = 3 } ; struct pid_namespace; struct upid { int nr ; struct pid_namespace *ns ; struct hlist_node pid_chain ; }; struct pid { atomic_t count ; unsigned int level ; struct hlist_head tasks[3U] ; struct callback_head rcu ; struct upid numbers[1U] ; }; struct pid_link { struct hlist_node node ; struct pid *pid ; }; struct percpu_counter { raw_spinlock_t lock ; s64 count ; struct list_head list ; s32 *counters ; }; struct seccomp_filter; struct seccomp { int mode ; struct seccomp_filter *filter ; }; struct rt_mutex_waiter; struct rlimit { __kernel_ulong_t rlim_cur ; __kernel_ulong_t rlim_max ; }; struct timerqueue_node { struct rb_node node ; ktime_t expires ; }; struct timerqueue_head { struct rb_root head ; struct timerqueue_node *next ; }; struct hrtimer_clock_base; struct hrtimer_cpu_base; enum hrtimer_restart { HRTIMER_NORESTART = 0, HRTIMER_RESTART = 1 } ; struct hrtimer { struct timerqueue_node node ; ktime_t _softexpires ; enum hrtimer_restart (*function)(struct hrtimer * ) ; struct hrtimer_clock_base *base ; unsigned long state ; int start_pid ; void *start_site ; char start_comm[16U] ; }; struct hrtimer_clock_base { struct hrtimer_cpu_base *cpu_base ; int index ; clockid_t clockid ; struct timerqueue_head active ; ktime_t (*get_time)(void) ; ktime_t offset ; }; struct hrtimer_cpu_base { raw_spinlock_t lock ; seqcount_t seq ; struct hrtimer *running ; unsigned int cpu ; unsigned int active_bases ; unsigned int clock_was_set_seq ; bool migration_enabled ; bool nohz_active ; unsigned char in_hrtirq : 1 ; unsigned char hres_active : 1 ; unsigned char hang_detected : 1 ; ktime_t expires_next ; struct hrtimer *next_timer ; unsigned int nr_events ; unsigned int nr_retries ; unsigned int nr_hangs ; unsigned int max_hang_time ; struct hrtimer_clock_base clock_base[4U] ; }; struct task_io_accounting { u64 rchar ; u64 wchar ; u64 syscr ; u64 syscw ; u64 read_bytes ; u64 write_bytes ; u64 cancelled_write_bytes ; }; struct latency_record { unsigned long backtrace[12U] ; unsigned int count ; unsigned long time ; unsigned long max ; }; struct assoc_array_ptr; struct assoc_array { struct assoc_array_ptr *root ; unsigned long nr_leaves_on_tree ; }; typedef int32_t key_serial_t; typedef uint32_t key_perm_t; struct key; struct signal_struct; struct key_type; struct keyring_index_key { struct key_type *type ; char const *description ; size_t desc_len ; }; union __anonunion____missing_field_name_196 { struct list_head graveyard_link ; struct rb_node serial_node ; }; struct key_user; union __anonunion____missing_field_name_197 { time_t expiry ; time_t revoked_at ; }; struct __anonstruct____missing_field_name_199 { struct key_type *type ; char *description ; }; union __anonunion____missing_field_name_198 { struct keyring_index_key index_key ; struct __anonstruct____missing_field_name_199 __annonCompField52 ; }; union __anonunion_type_data_200 { struct list_head link ; unsigned long x[2U] ; void *p[2U] ; int reject_error ; }; union __anonunion_payload_202 { unsigned long value ; void *rcudata ; void *data ; void *data2[2U] ; }; union __anonunion____missing_field_name_201 { union __anonunion_payload_202 payload ; struct assoc_array keys ; }; struct key { atomic_t usage ; key_serial_t serial ; union __anonunion____missing_field_name_196 __annonCompField50 ; struct rw_semaphore sem ; struct key_user *user ; void *security ; union __anonunion____missing_field_name_197 __annonCompField51 ; time_t last_used_at ; kuid_t uid ; kgid_t gid ; key_perm_t perm ; unsigned short quotalen ; unsigned short datalen ; unsigned long flags ; union __anonunion____missing_field_name_198 __annonCompField53 ; union __anonunion_type_data_200 type_data ; union __anonunion____missing_field_name_201 __annonCompField54 ; }; struct audit_context; struct group_info { atomic_t usage ; int ngroups ; int nblocks ; kgid_t small_block[32U] ; kgid_t *blocks[0U] ; }; struct cred { atomic_t usage ; atomic_t subscribers ; void *put_addr ; unsigned int magic ; kuid_t uid ; kgid_t gid ; kuid_t suid ; kgid_t sgid ; kuid_t euid ; kgid_t egid ; kuid_t fsuid ; kgid_t fsgid ; unsigned int securebits ; kernel_cap_t cap_inheritable ; kernel_cap_t cap_permitted ; kernel_cap_t cap_effective ; kernel_cap_t cap_bset ; unsigned char jit_keyring ; struct key *session_keyring ; struct key *process_keyring ; struct key *thread_keyring ; struct key *request_key_auth ; void *security ; struct user_struct *user ; struct user_namespace *user_ns ; struct group_info *group_info ; struct callback_head rcu ; }; struct percpu_ref; typedef void percpu_ref_func_t(struct percpu_ref * ); struct percpu_ref { atomic_long_t count ; unsigned long percpu_count_ptr ; percpu_ref_func_t *release ; percpu_ref_func_t *confirm_switch ; bool force_atomic ; struct callback_head rcu ; }; struct cgroup; struct cgroup_root; struct cgroup_subsys; struct cgroup_taskset; struct cgroup_subsys_state { struct cgroup *cgroup ; struct cgroup_subsys *ss ; struct percpu_ref refcnt ; struct cgroup_subsys_state *parent ; struct list_head sibling ; struct list_head children ; int id ; unsigned int flags ; u64 serial_nr ; struct callback_head callback_head ; struct work_struct destroy_work ; }; struct css_set { atomic_t refcount ; struct hlist_node hlist ; struct list_head tasks ; struct list_head mg_tasks ; struct list_head cgrp_links ; struct cgroup *dfl_cgrp ; struct cgroup_subsys_state *subsys[12U] ; struct list_head mg_preload_node ; struct list_head mg_node ; struct cgroup *mg_src_cgrp ; struct css_set *mg_dst_cset ; struct list_head e_cset_node[12U] ; struct callback_head callback_head ; }; struct cgroup { struct cgroup_subsys_state self ; unsigned long flags ; int id ; int populated_cnt ; struct kernfs_node *kn ; struct kernfs_node *procs_kn ; struct kernfs_node *populated_kn ; unsigned int subtree_control ; unsigned int child_subsys_mask ; struct cgroup_subsys_state *subsys[12U] ; struct cgroup_root *root ; struct list_head cset_links ; struct list_head e_csets[12U] ; struct list_head pidlists ; struct mutex pidlist_mutex ; wait_queue_head_t offline_waitq ; struct work_struct release_agent_work ; }; struct cgroup_root { struct kernfs_root *kf_root ; unsigned int subsys_mask ; int hierarchy_id ; struct cgroup cgrp ; atomic_t nr_cgrps ; struct list_head root_list ; unsigned int flags ; struct idr cgroup_idr ; char release_agent_path[4096U] ; char name[64U] ; }; struct cftype { char name[64U] ; int private ; umode_t mode ; size_t max_write_len ; unsigned int flags ; struct cgroup_subsys *ss ; struct list_head node ; struct kernfs_ops *kf_ops ; u64 (*read_u64)(struct cgroup_subsys_state * , struct cftype * ) ; s64 (*read_s64)(struct cgroup_subsys_state * , struct cftype * ) ; int (*seq_show)(struct seq_file * , void * ) ; void *(*seq_start)(struct seq_file * , loff_t * ) ; void *(*seq_next)(struct seq_file * , void * , loff_t * ) ; void (*seq_stop)(struct seq_file * , void * ) ; int (*write_u64)(struct cgroup_subsys_state * , struct cftype * , u64 ) ; int (*write_s64)(struct cgroup_subsys_state * , struct cftype * , s64 ) ; ssize_t (*write)(struct kernfs_open_file * , char * , size_t , loff_t ) ; struct lock_class_key lockdep_key ; }; struct cgroup_subsys { struct cgroup_subsys_state *(*css_alloc)(struct cgroup_subsys_state * ) ; int (*css_online)(struct cgroup_subsys_state * ) ; void (*css_offline)(struct cgroup_subsys_state * ) ; void (*css_released)(struct cgroup_subsys_state * ) ; void (*css_free)(struct cgroup_subsys_state * ) ; void (*css_reset)(struct cgroup_subsys_state * ) ; void (*css_e_css_changed)(struct cgroup_subsys_state * ) ; int (*can_attach)(struct cgroup_subsys_state * , struct cgroup_taskset * ) ; void (*cancel_attach)(struct cgroup_subsys_state * , struct cgroup_taskset * ) ; void (*attach)(struct cgroup_subsys_state * , struct cgroup_taskset * ) ; void (*fork)(struct task_struct * ) ; void (*exit)(struct cgroup_subsys_state * , struct cgroup_subsys_state * , struct task_struct * ) ; void (*bind)(struct cgroup_subsys_state * ) ; int disabled ; int early_init ; bool broken_hierarchy ; bool warned_broken_hierarchy ; int id ; char const *name ; struct cgroup_root *root ; struct idr css_idr ; struct list_head cfts ; struct cftype *dfl_cftypes ; struct cftype *legacy_cftypes ; unsigned int depends_on ; }; struct futex_pi_state; struct robust_list_head; struct bio_list; struct fs_struct; struct perf_event_context; struct blk_plug; struct nameidata; struct cfs_rq; struct task_group; struct sighand_struct { atomic_t count ; struct k_sigaction action[64U] ; spinlock_t siglock ; wait_queue_head_t signalfd_wqh ; }; struct pacct_struct { int ac_flag ; long ac_exitcode ; unsigned long ac_mem ; cputime_t ac_utime ; cputime_t ac_stime ; unsigned long ac_minflt ; unsigned long ac_majflt ; }; struct cpu_itimer { cputime_t expires ; cputime_t incr ; u32 error ; u32 incr_error ; }; struct cputime { cputime_t utime ; cputime_t stime ; }; struct task_cputime { cputime_t utime ; cputime_t stime ; unsigned long long sum_exec_runtime ; }; struct task_cputime_atomic { atomic64_t utime ; atomic64_t stime ; atomic64_t sum_exec_runtime ; }; struct thread_group_cputimer { struct task_cputime_atomic cputime_atomic ; int running ; }; struct autogroup; struct tty_struct; struct taskstats; struct tty_audit_buf; struct signal_struct { atomic_t sigcnt ; atomic_t live ; int nr_threads ; struct list_head thread_head ; wait_queue_head_t wait_chldexit ; struct task_struct *curr_target ; struct sigpending shared_pending ; int group_exit_code ; int notify_count ; struct task_struct *group_exit_task ; int group_stop_count ; unsigned int flags ; unsigned char is_child_subreaper : 1 ; unsigned char has_child_subreaper : 1 ; int posix_timer_id ; struct list_head posix_timers ; struct hrtimer real_timer ; struct pid *leader_pid ; ktime_t it_real_incr ; struct cpu_itimer it[2U] ; struct thread_group_cputimer cputimer ; struct task_cputime cputime_expires ; struct list_head cpu_timers[3U] ; struct pid *tty_old_pgrp ; int leader ; struct tty_struct *tty ; struct autogroup *autogroup ; seqlock_t stats_lock ; cputime_t utime ; cputime_t stime ; cputime_t cutime ; cputime_t cstime ; cputime_t gtime ; cputime_t cgtime ; struct cputime prev_cputime ; unsigned long nvcsw ; unsigned long nivcsw ; unsigned long cnvcsw ; unsigned long cnivcsw ; unsigned long min_flt ; unsigned long maj_flt ; unsigned long cmin_flt ; unsigned long cmaj_flt ; unsigned long inblock ; unsigned long oublock ; unsigned long cinblock ; unsigned long coublock ; unsigned long maxrss ; unsigned long cmaxrss ; struct task_io_accounting ioac ; unsigned long long sum_sched_runtime ; struct rlimit rlim[16U] ; struct pacct_struct pacct ; struct taskstats *stats ; unsigned int audit_tty ; unsigned int audit_tty_log_passwd ; struct tty_audit_buf *tty_audit_buf ; oom_flags_t oom_flags ; short oom_score_adj ; short oom_score_adj_min ; struct mutex cred_guard_mutex ; }; struct user_struct { atomic_t __count ; atomic_t processes ; atomic_t sigpending ; atomic_t inotify_watches ; atomic_t inotify_devs ; atomic_t fanotify_listeners ; atomic_long_t epoll_watches ; unsigned long mq_bytes ; unsigned long locked_shm ; struct key *uid_keyring ; struct key *session_keyring ; struct hlist_node uidhash_node ; kuid_t uid ; atomic_long_t locked_vm ; }; struct backing_dev_info; struct reclaim_state; struct sched_info { unsigned long pcount ; unsigned long long run_delay ; unsigned long long last_arrival ; unsigned long long last_queued ; }; struct task_delay_info { spinlock_t lock ; unsigned int flags ; u64 blkio_start ; u64 blkio_delay ; u64 swapin_delay ; u32 blkio_count ; u32 swapin_count ; u64 freepages_start ; u64 freepages_delay ; u32 freepages_count ; }; struct wake_q_node { struct wake_q_node *next ; }; struct io_context; struct pipe_inode_info; struct uts_namespace; struct load_weight { unsigned long weight ; u32 inv_weight ; }; struct sched_avg { u64 last_runnable_update ; s64 decay_count ; unsigned long load_avg_contrib ; unsigned long utilization_avg_contrib ; u32 runnable_avg_sum ; u32 avg_period ; u32 running_avg_sum ; }; struct sched_statistics { u64 wait_start ; u64 wait_max ; u64 wait_count ; u64 wait_sum ; u64 iowait_count ; u64 iowait_sum ; u64 sleep_start ; u64 sleep_max ; s64 sum_sleep_runtime ; u64 block_start ; u64 block_max ; u64 exec_max ; u64 slice_max ; u64 nr_migrations_cold ; u64 nr_failed_migrations_affine ; u64 nr_failed_migrations_running ; u64 nr_failed_migrations_hot ; u64 nr_forced_migrations ; u64 nr_wakeups ; u64 nr_wakeups_sync ; u64 nr_wakeups_migrate ; u64 nr_wakeups_local ; u64 nr_wakeups_remote ; u64 nr_wakeups_affine ; u64 nr_wakeups_affine_attempts ; u64 nr_wakeups_passive ; u64 nr_wakeups_idle ; }; struct sched_entity { struct load_weight load ; struct rb_node run_node ; struct list_head group_node ; unsigned int on_rq ; u64 exec_start ; u64 sum_exec_runtime ; u64 vruntime ; u64 prev_sum_exec_runtime ; u64 nr_migrations ; struct sched_statistics statistics ; int depth ; struct sched_entity *parent ; struct cfs_rq *cfs_rq ; struct cfs_rq *my_q ; struct sched_avg avg ; }; struct rt_rq; struct sched_rt_entity { struct list_head run_list ; unsigned long timeout ; unsigned long watchdog_stamp ; unsigned int time_slice ; struct sched_rt_entity *back ; struct sched_rt_entity *parent ; struct rt_rq *rt_rq ; struct rt_rq *my_q ; }; struct sched_dl_entity { struct rb_node rb_node ; u64 dl_runtime ; u64 dl_deadline ; u64 dl_period ; u64 dl_bw ; s64 runtime ; u64 deadline ; unsigned int flags ; int dl_throttled ; int dl_new ; int dl_boosted ; int dl_yielded ; struct hrtimer dl_timer ; }; struct memcg_oom_info { struct mem_cgroup *memcg ; gfp_t gfp_mask ; int order ; unsigned char may_oom : 1 ; }; struct sched_class; struct files_struct; struct compat_robust_list_head; struct numa_group; struct ftrace_ret_stack; struct task_struct { long volatile state ; void *stack ; atomic_t usage ; unsigned int flags ; unsigned int ptrace ; struct llist_node wake_entry ; int on_cpu ; struct task_struct *last_wakee ; unsigned long wakee_flips ; unsigned long wakee_flip_decay_ts ; int wake_cpu ; int on_rq ; int prio ; int static_prio ; int normal_prio ; unsigned int rt_priority ; struct sched_class const *sched_class ; struct sched_entity se ; struct sched_rt_entity rt ; struct task_group *sched_task_group ; struct sched_dl_entity dl ; struct hlist_head preempt_notifiers ; unsigned int btrace_seq ; unsigned int policy ; int nr_cpus_allowed ; cpumask_t cpus_allowed ; unsigned long rcu_tasks_nvcsw ; bool rcu_tasks_holdout ; struct list_head rcu_tasks_holdout_list ; int rcu_tasks_idle_cpu ; struct sched_info sched_info ; struct list_head tasks ; struct plist_node pushable_tasks ; struct rb_node pushable_dl_tasks ; struct mm_struct *mm ; struct mm_struct *active_mm ; u32 vmacache_seqnum ; struct vm_area_struct *vmacache[4U] ; struct task_rss_stat rss_stat ; int exit_state ; int exit_code ; int exit_signal ; int pdeath_signal ; unsigned long jobctl ; unsigned int personality ; unsigned char in_execve : 1 ; unsigned char in_iowait : 1 ; unsigned char sched_reset_on_fork : 1 ; unsigned char sched_contributes_to_load : 1 ; unsigned char sched_migrated : 1 ; unsigned char memcg_kmem_skip_account : 1 ; unsigned char brk_randomized : 1 ; unsigned long atomic_flags ; struct restart_block restart_block ; pid_t pid ; pid_t tgid ; struct task_struct *real_parent ; struct task_struct *parent ; struct list_head children ; struct list_head sibling ; struct task_struct *group_leader ; struct list_head ptraced ; struct list_head ptrace_entry ; struct pid_link pids[3U] ; struct list_head thread_group ; struct list_head thread_node ; struct completion *vfork_done ; int *set_child_tid ; int *clear_child_tid ; cputime_t utime ; cputime_t stime ; cputime_t utimescaled ; cputime_t stimescaled ; cputime_t gtime ; struct cputime prev_cputime ; unsigned long nvcsw ; unsigned long nivcsw ; u64 start_time ; u64 real_start_time ; unsigned long min_flt ; unsigned long maj_flt ; struct task_cputime cputime_expires ; struct list_head cpu_timers[3U] ; struct cred const *real_cred ; struct cred const *cred ; char comm[16U] ; struct nameidata *nameidata ; struct sysv_sem sysvsem ; struct sysv_shm sysvshm ; unsigned long last_switch_count ; struct thread_struct thread ; struct fs_struct *fs ; struct files_struct *files ; struct nsproxy *nsproxy ; struct signal_struct *signal ; struct sighand_struct *sighand ; sigset_t blocked ; sigset_t real_blocked ; sigset_t saved_sigmask ; struct sigpending pending ; unsigned long sas_ss_sp ; size_t sas_ss_size ; int (*notifier)(void * ) ; void *notifier_data ; sigset_t *notifier_mask ; struct callback_head *task_works ; struct audit_context *audit_context ; kuid_t loginuid ; unsigned int sessionid ; struct seccomp seccomp ; u32 parent_exec_id ; u32 self_exec_id ; spinlock_t alloc_lock ; raw_spinlock_t pi_lock ; struct wake_q_node wake_q ; struct rb_root pi_waiters ; struct rb_node *pi_waiters_leftmost ; struct rt_mutex_waiter *pi_blocked_on ; struct mutex_waiter *blocked_on ; unsigned int irq_events ; unsigned long hardirq_enable_ip ; unsigned long hardirq_disable_ip ; unsigned int hardirq_enable_event ; unsigned int hardirq_disable_event ; int hardirqs_enabled ; int hardirq_context ; unsigned long softirq_disable_ip ; unsigned long softirq_enable_ip ; unsigned int softirq_disable_event ; unsigned int softirq_enable_event ; int softirqs_enabled ; int softirq_context ; u64 curr_chain_key ; int lockdep_depth ; unsigned int lockdep_recursion ; struct held_lock held_locks[48U] ; gfp_t lockdep_reclaim_gfp ; void *journal_info ; struct bio_list *bio_list ; struct blk_plug *plug ; struct reclaim_state *reclaim_state ; struct backing_dev_info *backing_dev_info ; struct io_context *io_context ; unsigned long ptrace_message ; siginfo_t *last_siginfo ; struct task_io_accounting ioac ; u64 acct_rss_mem1 ; u64 acct_vm_mem1 ; cputime_t acct_timexpd ; nodemask_t mems_allowed ; seqcount_t mems_allowed_seq ; int cpuset_mem_spread_rotor ; int cpuset_slab_spread_rotor ; struct css_set *cgroups ; struct list_head cg_list ; struct robust_list_head *robust_list ; struct compat_robust_list_head *compat_robust_list ; struct list_head pi_state_list ; struct futex_pi_state *pi_state_cache ; struct perf_event_context *perf_event_ctxp[2U] ; struct mutex perf_event_mutex ; struct list_head perf_event_list ; struct mempolicy *mempolicy ; short il_next ; short pref_node_fork ; int numa_scan_seq ; unsigned int numa_scan_period ; unsigned int numa_scan_period_max ; int numa_preferred_nid ; unsigned long numa_migrate_retry ; u64 node_stamp ; u64 last_task_numa_placement ; u64 last_sum_exec_runtime ; struct callback_head numa_work ; struct list_head numa_entry ; struct numa_group *numa_group ; unsigned long *numa_faults ; unsigned long total_numa_faults ; unsigned long numa_faults_locality[3U] ; unsigned long numa_pages_migrated ; struct callback_head rcu ; struct pipe_inode_info *splice_pipe ; struct page_frag task_frag ; struct task_delay_info *delays ; int make_it_fail ; int nr_dirtied ; int nr_dirtied_pause ; unsigned long dirty_paused_when ; int latency_record_count ; struct latency_record latency_record[32U] ; unsigned long timer_slack_ns ; unsigned long default_timer_slack_ns ; unsigned int kasan_depth ; int curr_ret_stack ; struct ftrace_ret_stack *ret_stack ; unsigned long long ftrace_timestamp ; atomic_t trace_overrun ; atomic_t tracing_graph_pause ; unsigned long trace ; unsigned long trace_recursion ; struct memcg_oom_info memcg_oom ; struct uprobe_task *utask ; unsigned int sequential_io ; unsigned int sequential_io_avg ; unsigned long task_state_change ; int pagefault_disabled ; }; struct xenbus_device; struct proc_dir_entry; struct exception_table_entry { int insn ; int fixup ; }; struct tasklet_struct { struct tasklet_struct *next ; unsigned long state ; atomic_t count ; void (*func)(unsigned long ) ; unsigned long data ; }; struct iovec { void *iov_base ; __kernel_size_t iov_len ; }; struct kvec { void *iov_base ; size_t iov_len ; }; union __anonunion____missing_field_name_225 { struct iovec const *iov ; struct kvec const *kvec ; struct bio_vec const *bvec ; }; struct iov_iter { int type ; size_t iov_offset ; size_t count ; union __anonunion____missing_field_name_225 __annonCompField65 ; unsigned long nr_segs ; }; typedef unsigned short __kernel_sa_family_t; typedef __kernel_sa_family_t sa_family_t; struct sockaddr { sa_family_t sa_family ; char sa_data[14U] ; }; struct kiocb; struct msghdr { void *msg_name ; int msg_namelen ; struct iov_iter msg_iter ; void *msg_control ; __kernel_size_t msg_controllen ; unsigned int msg_flags ; struct kiocb *msg_iocb ; }; enum ldv_18946 { SS_FREE = 0, SS_UNCONNECTED = 1, SS_CONNECTING = 2, SS_CONNECTED = 3, SS_DISCONNECTING = 4 } ; typedef enum ldv_18946 socket_state; struct poll_table_struct; struct net; struct fasync_struct; struct socket_wq { wait_queue_head_t wait ; struct fasync_struct *fasync_list ; struct callback_head rcu ; }; struct proto_ops; struct socket { socket_state state ; short type ; unsigned long flags ; struct socket_wq *wq ; struct file *file ; struct sock *sk ; struct proto_ops const *ops ; }; struct proto_ops { int family ; struct module *owner ; int (*release)(struct socket * ) ; int (*bind)(struct socket * , struct sockaddr * , int ) ; int (*connect)(struct socket * , struct sockaddr * , int , int ) ; int (*socketpair)(struct socket * , struct socket * ) ; int (*accept)(struct socket * , struct socket * , int ) ; int (*getname)(struct socket * , struct sockaddr * , int * , int ) ; unsigned int (*poll)(struct file * , struct socket * , struct poll_table_struct * ) ; int (*ioctl)(struct socket * , unsigned int , unsigned long ) ; int (*compat_ioctl)(struct socket * , unsigned int , unsigned long ) ; int (*listen)(struct socket * , int ) ; int (*shutdown)(struct socket * , int ) ; int (*setsockopt)(struct socket * , int , int , char * , unsigned int ) ; int (*getsockopt)(struct socket * , int , int , char * , int * ) ; int (*compat_setsockopt)(struct socket * , int , int , char * , unsigned int ) ; int (*compat_getsockopt)(struct socket * , int , int , char * , int * ) ; int (*sendmsg)(struct socket * , struct msghdr * , size_t ) ; int (*recvmsg)(struct socket * , struct msghdr * , size_t , int ) ; int (*mmap)(struct file * , struct socket * , struct vm_area_struct * ) ; ssize_t (*sendpage)(struct socket * , struct page * , int , size_t , int ) ; ssize_t (*splice_read)(struct socket * , loff_t * , struct pipe_inode_info * , size_t , unsigned int ) ; int (*set_peek_off)(struct sock * , int ) ; }; struct in6_addr; struct sk_buff; struct klist_node; struct klist_node { void *n_klist ; struct list_head n_node ; struct kref n_ref ; }; struct path; struct seq_file { char *buf ; size_t size ; size_t from ; size_t count ; size_t pad_until ; loff_t index ; loff_t read_pos ; u64 version ; struct mutex lock ; struct seq_operations const *op ; int poll_event ; struct user_namespace *user_ns ; void *private ; }; struct seq_operations { void *(*start)(struct seq_file * , loff_t * ) ; void (*stop)(struct seq_file * , void * ) ; void *(*next)(struct seq_file * , void * , loff_t * ) ; int (*show)(struct seq_file * , void * ) ; }; struct pinctrl; struct pinctrl_state; struct dev_pin_info { struct pinctrl *p ; struct pinctrl_state *default_state ; struct pinctrl_state *sleep_state ; struct pinctrl_state *idle_state ; }; struct dma_map_ops; struct dev_archdata { struct dma_map_ops *dma_ops ; void *iommu ; }; struct device_private; struct device_driver; struct driver_private; struct class; struct subsys_private; struct bus_type; struct device_node; struct fwnode_handle; struct iommu_ops; struct iommu_group; struct device_attribute; struct bus_type { char const *name ; char const *dev_name ; struct device *dev_root ; struct device_attribute *dev_attrs ; struct attribute_group const **bus_groups ; struct attribute_group const **dev_groups ; struct attribute_group const **drv_groups ; int (*match)(struct device * , struct device_driver * ) ; int (*uevent)(struct device * , struct kobj_uevent_env * ) ; int (*probe)(struct device * ) ; int (*remove)(struct device * ) ; void (*shutdown)(struct device * ) ; int (*online)(struct device * ) ; int (*offline)(struct device * ) ; int (*suspend)(struct device * , pm_message_t ) ; int (*resume)(struct device * ) ; struct dev_pm_ops const *pm ; struct iommu_ops const *iommu_ops ; struct subsys_private *p ; struct lock_class_key lock_key ; }; struct device_type; enum probe_type { PROBE_DEFAULT_STRATEGY = 0, PROBE_PREFER_ASYNCHRONOUS = 1, PROBE_FORCE_SYNCHRONOUS = 2 } ; struct of_device_id; struct acpi_device_id; struct device_driver { char const *name ; struct bus_type *bus ; struct module *owner ; char const *mod_name ; bool suppress_bind_attrs ; enum probe_type probe_type ; struct of_device_id const *of_match_table ; struct acpi_device_id const *acpi_match_table ; int (*probe)(struct device * ) ; int (*remove)(struct device * ) ; void (*shutdown)(struct device * ) ; int (*suspend)(struct device * , pm_message_t ) ; int (*resume)(struct device * ) ; struct attribute_group const **groups ; struct dev_pm_ops const *pm ; struct driver_private *p ; }; struct class_attribute; struct class { char const *name ; struct module *owner ; struct class_attribute *class_attrs ; struct attribute_group const **dev_groups ; struct kobject *dev_kobj ; int (*dev_uevent)(struct device * , struct kobj_uevent_env * ) ; char *(*devnode)(struct device * , umode_t * ) ; void (*class_release)(struct class * ) ; void (*dev_release)(struct device * ) ; int (*suspend)(struct device * , pm_message_t ) ; int (*resume)(struct device * ) ; struct kobj_ns_type_operations const *ns_type ; void const *(*namespace)(struct device * ) ; struct dev_pm_ops const *pm ; struct subsys_private *p ; }; struct class_attribute { struct attribute attr ; ssize_t (*show)(struct class * , struct class_attribute * , char * ) ; ssize_t (*store)(struct class * , struct class_attribute * , char const * , size_t ) ; }; struct device_type { char const *name ; struct attribute_group const **groups ; int (*uevent)(struct device * , struct kobj_uevent_env * ) ; char *(*devnode)(struct device * , umode_t * , kuid_t * , kgid_t * ) ; void (*release)(struct device * ) ; struct dev_pm_ops const *pm ; }; struct device_attribute { struct attribute attr ; ssize_t (*show)(struct device * , struct device_attribute * , char * ) ; ssize_t (*store)(struct device * , struct device_attribute * , char const * , size_t ) ; }; struct device_dma_parameters { unsigned int max_segment_size ; unsigned long segment_boundary_mask ; }; struct dma_coherent_mem; struct cma; struct device { struct device *parent ; struct device_private *p ; struct kobject kobj ; char const *init_name ; struct device_type const *type ; struct mutex mutex ; struct bus_type *bus ; struct device_driver *driver ; void *platform_data ; void *driver_data ; struct dev_pm_info power ; struct dev_pm_domain *pm_domain ; struct dev_pin_info *pins ; int numa_node ; u64 *dma_mask ; u64 coherent_dma_mask ; unsigned long dma_pfn_offset ; struct device_dma_parameters *dma_parms ; struct list_head dma_pools ; struct dma_coherent_mem *dma_mem ; struct cma *cma_area ; struct dev_archdata archdata ; struct device_node *of_node ; struct fwnode_handle *fwnode ; dev_t devt ; u32 id ; spinlock_t devres_lock ; struct list_head devres_head ; struct klist_node knode_class ; struct class *class ; struct attribute_group const **groups ; void (*release)(struct device * ) ; struct iommu_group *iommu_group ; bool offline_disabled ; bool offline ; }; struct wakeup_source { char const *name ; struct list_head entry ; spinlock_t lock ; struct wake_irq *wakeirq ; struct timer_list timer ; unsigned long timer_expires ; ktime_t total_time ; ktime_t max_time ; ktime_t last_time ; ktime_t start_prevent_time ; ktime_t prevent_sleep_time ; unsigned long event_count ; unsigned long active_count ; unsigned long relax_count ; unsigned long expire_count ; unsigned long wakeup_count ; bool active ; bool autosleep_enabled ; }; struct dma_attrs { unsigned long flags[1U] ; }; enum dma_data_direction { DMA_BIDIRECTIONAL = 0, DMA_TO_DEVICE = 1, DMA_FROM_DEVICE = 2, DMA_NONE = 3 } ; struct shrink_control { gfp_t gfp_mask ; unsigned long nr_to_scan ; int nid ; struct mem_cgroup *memcg ; }; struct shrinker { unsigned long (*count_objects)(struct shrinker * , struct shrink_control * ) ; unsigned long (*scan_objects)(struct shrinker * , struct shrink_control * ) ; int seeks ; long batch ; unsigned long flags ; struct list_head list ; atomic_long_t *nr_deferred ; }; struct file_ra_state; struct writeback_control; struct bdi_writeback; struct vm_fault { unsigned int flags ; unsigned long pgoff ; void *virtual_address ; struct page *cow_page ; struct page *page ; unsigned long max_pgoff ; pte_t *pte ; }; struct vm_operations_struct { void (*open)(struct vm_area_struct * ) ; void (*close)(struct vm_area_struct * ) ; int (*fault)(struct vm_area_struct * , struct vm_fault * ) ; void (*map_pages)(struct vm_area_struct * , struct vm_fault * ) ; int (*page_mkwrite)(struct vm_area_struct * , struct vm_fault * ) ; int (*pfn_mkwrite)(struct vm_area_struct * , struct vm_fault * ) ; int (*access)(struct vm_area_struct * , unsigned long , void * , int , int ) ; char const *(*name)(struct vm_area_struct * ) ; int (*set_policy)(struct vm_area_struct * , struct mempolicy * ) ; struct mempolicy *(*get_policy)(struct vm_area_struct * , unsigned long ) ; struct page *(*find_special_page)(struct vm_area_struct * , unsigned long ) ; }; struct scatterlist { unsigned long sg_magic ; unsigned long page_link ; unsigned int offset ; unsigned int length ; dma_addr_t dma_address ; unsigned int dma_length ; }; struct sg_table { struct scatterlist *sgl ; unsigned int nents ; unsigned int orig_nents ; }; struct dma_map_ops { void *(*alloc)(struct device * , size_t , dma_addr_t * , gfp_t , struct dma_attrs * ) ; void (*free)(struct device * , size_t , void * , dma_addr_t , struct dma_attrs * ) ; int (*mmap)(struct device * , struct vm_area_struct * , void * , dma_addr_t , size_t , struct dma_attrs * ) ; int (*get_sgtable)(struct device * , struct sg_table * , void * , dma_addr_t , size_t , struct dma_attrs * ) ; dma_addr_t (*map_page)(struct device * , struct page * , unsigned long , size_t , enum dma_data_direction , struct dma_attrs * ) ; void (*unmap_page)(struct device * , dma_addr_t , size_t , enum dma_data_direction , struct dma_attrs * ) ; int (*map_sg)(struct device * , struct scatterlist * , int , enum dma_data_direction , struct dma_attrs * ) ; void (*unmap_sg)(struct device * , struct scatterlist * , int , enum dma_data_direction , struct dma_attrs * ) ; void (*sync_single_for_cpu)(struct device * , dma_addr_t , size_t , enum dma_data_direction ) ; void (*sync_single_for_device)(struct device * , dma_addr_t , size_t , enum dma_data_direction ) ; void (*sync_sg_for_cpu)(struct device * , struct scatterlist * , int , enum dma_data_direction ) ; void (*sync_sg_for_device)(struct device * , struct scatterlist * , int , enum dma_data_direction ) ; int (*mapping_error)(struct device * , dma_addr_t ) ; int (*dma_supported)(struct device * , u64 ) ; int (*set_dma_mask)(struct device * , u64 ) ; int is_phys ; }; typedef u64 netdev_features_t; union __anonunion_in6_u_226 { __u8 u6_addr8[16U] ; __be16 u6_addr16[8U] ; __be32 u6_addr32[4U] ; }; struct in6_addr { union __anonunion_in6_u_226 in6_u ; }; struct ethhdr { unsigned char h_dest[6U] ; unsigned char h_source[6U] ; __be16 h_proto ; }; struct flow_dissector_key_control { u16 thoff ; u16 addr_type ; }; struct flow_dissector_key_basic { __be16 n_proto ; u8 ip_proto ; u8 padding ; }; struct flow_dissector_key_tags { unsigned short vlan_id : 12 ; unsigned int flow_label : 20 ; }; struct flow_dissector_key_keyid { __be32 keyid ; }; struct flow_dissector_key_ipv4_addrs { __be32 src ; __be32 dst ; }; struct flow_dissector_key_ipv6_addrs { struct in6_addr src ; struct in6_addr dst ; }; struct flow_dissector_key_tipc_addrs { __be32 srcnode ; }; union __anonunion____missing_field_name_227 { struct flow_dissector_key_ipv4_addrs v4addrs ; struct flow_dissector_key_ipv6_addrs v6addrs ; struct flow_dissector_key_tipc_addrs tipcaddrs ; }; struct flow_dissector_key_addrs { union __anonunion____missing_field_name_227 __annonCompField66 ; }; struct __anonstruct____missing_field_name_229 { __be16 src ; __be16 dst ; }; union __anonunion____missing_field_name_228 { __be32 ports ; struct __anonstruct____missing_field_name_229 __annonCompField67 ; }; struct flow_dissector_key_ports { union __anonunion____missing_field_name_228 __annonCompField68 ; }; struct flow_dissector { unsigned int used_keys ; unsigned short offset[11U] ; }; struct flow_keys { struct flow_dissector_key_control control ; struct flow_dissector_key_basic basic ; struct flow_dissector_key_tags tags ; struct flow_dissector_key_keyid keyid ; struct flow_dissector_key_ports ports ; struct flow_dissector_key_addrs addrs ; }; struct pipe_buf_operations; struct pipe_buffer { struct page *page ; unsigned int offset ; unsigned int len ; struct pipe_buf_operations const *ops ; unsigned int flags ; unsigned long private ; }; struct pipe_inode_info { struct mutex mutex ; wait_queue_head_t wait ; unsigned int nrbufs ; unsigned int curbuf ; unsigned int buffers ; unsigned int readers ; unsigned int writers ; unsigned int files ; unsigned int waiting_writers ; unsigned int r_counter ; unsigned int w_counter ; struct page *tmp_page ; struct fasync_struct *fasync_readers ; struct fasync_struct *fasync_writers ; struct pipe_buffer *bufs ; }; struct pipe_buf_operations { int can_merge ; int (*confirm)(struct pipe_inode_info * , struct pipe_buffer * ) ; void (*release)(struct pipe_inode_info * , struct pipe_buffer * ) ; int (*steal)(struct pipe_inode_info * , struct pipe_buffer * ) ; void (*get)(struct pipe_inode_info * , struct pipe_buffer * ) ; }; struct napi_struct; struct nf_conntrack { atomic_t use ; }; union __anonunion____missing_field_name_231 { struct net_device *physoutdev ; char neigh_header[8U] ; }; union __anonunion____missing_field_name_232 { __be32 ipv4_daddr ; struct in6_addr ipv6_daddr ; }; struct nf_bridge_info { atomic_t use ; unsigned char orig_proto ; bool pkt_otherhost ; __u16 frag_max_size ; unsigned int mask ; struct net_device *physindev ; union __anonunion____missing_field_name_231 __annonCompField69 ; union __anonunion____missing_field_name_232 __annonCompField70 ; }; struct sk_buff_head { struct sk_buff *next ; struct sk_buff *prev ; __u32 qlen ; spinlock_t lock ; }; struct skb_frag_struct; typedef struct skb_frag_struct skb_frag_t; struct __anonstruct_page_233 { struct page *p ; }; struct skb_frag_struct { struct __anonstruct_page_233 page ; __u32 page_offset ; __u32 size ; }; struct skb_shared_hwtstamps { ktime_t hwtstamp ; }; struct ubuf_info { void (*callback)(struct ubuf_info * , bool ) ; void *ctx ; unsigned long desc ; }; struct skb_shared_info { unsigned char nr_frags ; __u8 tx_flags ; unsigned short gso_size ; unsigned short gso_segs ; unsigned short gso_type ; struct sk_buff *frag_list ; struct skb_shared_hwtstamps hwtstamps ; u32 tskey ; __be32 ip6_frag_id ; atomic_t dataref ; void *destructor_arg ; skb_frag_t frags[17U] ; }; typedef unsigned int sk_buff_data_t; struct __anonstruct____missing_field_name_235 { u32 stamp_us ; u32 stamp_jiffies ; }; union __anonunion____missing_field_name_234 { u64 v64 ; struct __anonstruct____missing_field_name_235 __annonCompField71 ; }; struct skb_mstamp { union __anonunion____missing_field_name_234 __annonCompField72 ; }; union __anonunion____missing_field_name_238 { ktime_t tstamp ; struct skb_mstamp skb_mstamp ; }; struct __anonstruct____missing_field_name_237 { struct sk_buff *next ; struct sk_buff *prev ; union __anonunion____missing_field_name_238 __annonCompField73 ; }; union __anonunion____missing_field_name_236 { struct __anonstruct____missing_field_name_237 __annonCompField74 ; struct rb_node rbnode ; }; struct sec_path; struct __anonstruct____missing_field_name_240 { __u16 csum_start ; __u16 csum_offset ; }; union __anonunion____missing_field_name_239 { __wsum csum ; struct __anonstruct____missing_field_name_240 __annonCompField76 ; }; union __anonunion____missing_field_name_241 { unsigned int napi_id ; unsigned int sender_cpu ; }; union __anonunion____missing_field_name_242 { __u32 mark ; __u32 reserved_tailroom ; }; union __anonunion____missing_field_name_243 { __be16 inner_protocol ; __u8 inner_ipproto ; }; struct sk_buff { union __anonunion____missing_field_name_236 __annonCompField75 ; struct sock *sk ; struct net_device *dev ; char cb[48U] ; unsigned long _skb_refdst ; void (*destructor)(struct sk_buff * ) ; struct sec_path *sp ; struct nf_conntrack *nfct ; struct nf_bridge_info *nf_bridge ; unsigned int len ; unsigned int data_len ; __u16 mac_len ; __u16 hdr_len ; __u16 queue_mapping ; unsigned char cloned : 1 ; unsigned char nohdr : 1 ; unsigned char fclone : 2 ; unsigned char peeked : 1 ; unsigned char head_frag : 1 ; unsigned char xmit_more : 1 ; __u32 headers_start[0U] ; __u8 __pkt_type_offset[0U] ; unsigned char pkt_type : 3 ; unsigned char pfmemalloc : 1 ; unsigned char ignore_df : 1 ; unsigned char nfctinfo : 3 ; unsigned char nf_trace : 1 ; unsigned char ip_summed : 2 ; unsigned char ooo_okay : 1 ; unsigned char l4_hash : 1 ; unsigned char sw_hash : 1 ; unsigned char wifi_acked_valid : 1 ; unsigned char wifi_acked : 1 ; unsigned char no_fcs : 1 ; unsigned char encapsulation : 1 ; unsigned char encap_hdr_csum : 1 ; unsigned char csum_valid : 1 ; unsigned char csum_complete_sw : 1 ; unsigned char csum_level : 2 ; unsigned char csum_bad : 1 ; unsigned char ndisc_nodetype : 2 ; unsigned char ipvs_property : 1 ; unsigned char inner_protocol_type : 1 ; unsigned char remcsum_offload : 1 ; __u16 tc_index ; __u16 tc_verd ; union __anonunion____missing_field_name_239 __annonCompField77 ; __u32 priority ; int skb_iif ; __u32 hash ; __be16 vlan_proto ; __u16 vlan_tci ; union __anonunion____missing_field_name_241 __annonCompField78 ; __u32 secmark ; union __anonunion____missing_field_name_242 __annonCompField79 ; union __anonunion____missing_field_name_243 __annonCompField80 ; __u16 inner_transport_header ; __u16 inner_network_header ; __u16 inner_mac_header ; __be16 protocol ; __u16 transport_header ; __u16 network_header ; __u16 mac_header ; __u32 headers_end[0U] ; sk_buff_data_t tail ; sk_buff_data_t end ; unsigned char *head ; unsigned char *data ; unsigned int truesize ; atomic_t users ; }; struct dst_entry; struct rtable; struct dql { unsigned int num_queued ; unsigned int adj_limit ; unsigned int last_obj_cnt ; unsigned int limit ; unsigned int num_completed ; unsigned int prev_ovlimit ; unsigned int prev_num_queued ; unsigned int prev_last_obj_cnt ; unsigned int lowest_slack ; unsigned long slack_start_time ; unsigned int max_limit ; unsigned int min_limit ; unsigned int slack_hold_time ; }; struct __anonstruct_sync_serial_settings_245 { unsigned int clock_rate ; unsigned int clock_type ; unsigned short loopback ; }; typedef struct __anonstruct_sync_serial_settings_245 sync_serial_settings; struct __anonstruct_te1_settings_246 { unsigned int clock_rate ; unsigned int clock_type ; unsigned short loopback ; unsigned int slot_map ; }; typedef struct __anonstruct_te1_settings_246 te1_settings; struct __anonstruct_raw_hdlc_proto_247 { unsigned short encoding ; unsigned short parity ; }; typedef struct __anonstruct_raw_hdlc_proto_247 raw_hdlc_proto; struct __anonstruct_fr_proto_248 { unsigned int t391 ; unsigned int t392 ; unsigned int n391 ; unsigned int n392 ; unsigned int n393 ; unsigned short lmi ; unsigned short dce ; }; typedef struct __anonstruct_fr_proto_248 fr_proto; struct __anonstruct_fr_proto_pvc_249 { unsigned int dlci ; }; typedef struct __anonstruct_fr_proto_pvc_249 fr_proto_pvc; struct __anonstruct_fr_proto_pvc_info_250 { unsigned int dlci ; char master[16U] ; }; typedef struct __anonstruct_fr_proto_pvc_info_250 fr_proto_pvc_info; struct __anonstruct_cisco_proto_251 { unsigned int interval ; unsigned int timeout ; }; typedef struct __anonstruct_cisco_proto_251 cisco_proto; struct ifmap { unsigned long mem_start ; unsigned long mem_end ; unsigned short base_addr ; unsigned char irq ; unsigned char dma ; unsigned char port ; }; union __anonunion_ifs_ifsu_252 { raw_hdlc_proto *raw_hdlc ; cisco_proto *cisco ; fr_proto *fr ; fr_proto_pvc *fr_pvc ; fr_proto_pvc_info *fr_pvc_info ; sync_serial_settings *sync ; te1_settings *te1 ; }; struct if_settings { unsigned int type ; unsigned int size ; union __anonunion_ifs_ifsu_252 ifs_ifsu ; }; union __anonunion_ifr_ifrn_253 { char ifrn_name[16U] ; }; union __anonunion_ifr_ifru_254 { struct sockaddr ifru_addr ; struct sockaddr ifru_dstaddr ; struct sockaddr ifru_broadaddr ; struct sockaddr ifru_netmask ; struct sockaddr ifru_hwaddr ; short ifru_flags ; int ifru_ivalue ; int ifru_mtu ; struct ifmap ifru_map ; char ifru_slave[16U] ; char ifru_newname[16U] ; void *ifru_data ; struct if_settings ifru_settings ; }; struct ifreq { union __anonunion_ifr_ifrn_253 ifr_ifrn ; union __anonunion_ifr_ifru_254 ifr_ifru ; }; struct hlist_bl_node; struct hlist_bl_head { struct hlist_bl_node *first ; }; struct hlist_bl_node { struct hlist_bl_node *next ; struct hlist_bl_node **pprev ; }; struct __anonstruct____missing_field_name_259 { spinlock_t lock ; int count ; }; union __anonunion____missing_field_name_258 { struct __anonstruct____missing_field_name_259 __annonCompField81 ; }; struct lockref { union __anonunion____missing_field_name_258 __annonCompField82 ; }; struct vfsmount; struct __anonstruct____missing_field_name_261 { u32 hash ; u32 len ; }; union __anonunion____missing_field_name_260 { struct __anonstruct____missing_field_name_261 __annonCompField83 ; u64 hash_len ; }; struct qstr { union __anonunion____missing_field_name_260 __annonCompField84 ; unsigned char const *name ; }; struct dentry_operations; union __anonunion_d_u_262 { struct hlist_node d_alias ; struct callback_head d_rcu ; }; struct dentry { unsigned int d_flags ; seqcount_t d_seq ; struct hlist_bl_node d_hash ; struct dentry *d_parent ; struct qstr d_name ; struct inode *d_inode ; unsigned char d_iname[32U] ; struct lockref d_lockref ; struct dentry_operations const *d_op ; struct super_block *d_sb ; unsigned long d_time ; void *d_fsdata ; struct list_head d_lru ; struct list_head d_child ; struct list_head d_subdirs ; union __anonunion_d_u_262 d_u ; }; struct dentry_operations { int (*d_revalidate)(struct dentry * , unsigned int ) ; int (*d_weak_revalidate)(struct dentry * , unsigned int ) ; int (*d_hash)(struct dentry const * , struct qstr * ) ; int (*d_compare)(struct dentry const * , struct dentry const * , unsigned int , char const * , struct qstr const * ) ; int (*d_delete)(struct dentry const * ) ; void (*d_release)(struct dentry * ) ; void (*d_prune)(struct dentry * ) ; void (*d_iput)(struct dentry * , struct inode * ) ; char *(*d_dname)(struct dentry * , char * , int ) ; struct vfsmount *(*d_automount)(struct path * ) ; int (*d_manage)(struct dentry * , bool ) ; struct inode *(*d_select_inode)(struct dentry * , unsigned int ) ; }; struct path { struct vfsmount *mnt ; struct dentry *dentry ; }; struct list_lru_one { struct list_head list ; long nr_items ; }; struct list_lru_memcg { struct list_lru_one *lru[0U] ; }; struct list_lru_node { spinlock_t lock ; struct list_lru_one lru ; struct list_lru_memcg *memcg_lrus ; }; struct list_lru { struct list_lru_node *node ; struct list_head list ; }; struct __anonstruct____missing_field_name_266 { struct radix_tree_node *parent ; void *private_data ; }; union __anonunion____missing_field_name_265 { struct __anonstruct____missing_field_name_266 __annonCompField85 ; struct callback_head callback_head ; }; struct radix_tree_node { unsigned int path ; unsigned int count ; union __anonunion____missing_field_name_265 __annonCompField86 ; struct list_head private_list ; void *slots[64U] ; unsigned long tags[3U][1U] ; }; struct radix_tree_root { unsigned int height ; gfp_t gfp_mask ; struct radix_tree_node *rnode ; }; struct fiemap_extent { __u64 fe_logical ; __u64 fe_physical ; __u64 fe_length ; __u64 fe_reserved64[2U] ; __u32 fe_flags ; __u32 fe_reserved[3U] ; }; enum migrate_mode { MIGRATE_ASYNC = 0, MIGRATE_SYNC_LIGHT = 1, MIGRATE_SYNC = 2 } ; struct block_device; struct bio_vec { struct page *bv_page ; unsigned int bv_len ; unsigned int bv_offset ; }; struct export_operations; struct kstatfs; struct swap_info_struct; struct iattr { unsigned int ia_valid ; umode_t ia_mode ; kuid_t ia_uid ; kgid_t ia_gid ; loff_t ia_size ; struct timespec ia_atime ; struct timespec ia_mtime ; struct timespec ia_ctime ; struct file *ia_file ; }; struct dquot; typedef __kernel_uid32_t projid_t; struct __anonstruct_kprojid_t_270 { projid_t val ; }; typedef struct __anonstruct_kprojid_t_270 kprojid_t; enum quota_type { USRQUOTA = 0, GRPQUOTA = 1, PRJQUOTA = 2 } ; typedef long long qsize_t; union __anonunion____missing_field_name_271 { kuid_t uid ; kgid_t gid ; kprojid_t projid ; }; struct kqid { union __anonunion____missing_field_name_271 __annonCompField88 ; enum quota_type type ; }; struct mem_dqblk { qsize_t dqb_bhardlimit ; qsize_t dqb_bsoftlimit ; qsize_t dqb_curspace ; qsize_t dqb_rsvspace ; qsize_t dqb_ihardlimit ; qsize_t dqb_isoftlimit ; qsize_t dqb_curinodes ; time_t dqb_btime ; time_t dqb_itime ; }; struct quota_format_type; struct mem_dqinfo { struct quota_format_type *dqi_format ; int dqi_fmt_id ; struct list_head dqi_dirty_list ; unsigned long dqi_flags ; unsigned int dqi_bgrace ; unsigned int dqi_igrace ; qsize_t dqi_max_spc_limit ; qsize_t dqi_max_ino_limit ; void *dqi_priv ; }; struct dquot { struct hlist_node dq_hash ; struct list_head dq_inuse ; struct list_head dq_free ; struct list_head dq_dirty ; struct mutex dq_lock ; atomic_t dq_count ; wait_queue_head_t dq_wait_unused ; struct super_block *dq_sb ; struct kqid dq_id ; loff_t dq_off ; unsigned long dq_flags ; struct mem_dqblk dq_dqb ; }; struct quota_format_ops { int (*check_quota_file)(struct super_block * , int ) ; int (*read_file_info)(struct super_block * , int ) ; int (*write_file_info)(struct super_block * , int ) ; int (*free_file_info)(struct super_block * , int ) ; int (*read_dqblk)(struct dquot * ) ; int (*commit_dqblk)(struct dquot * ) ; int (*release_dqblk)(struct dquot * ) ; }; struct dquot_operations { int (*write_dquot)(struct dquot * ) ; struct dquot *(*alloc_dquot)(struct super_block * , int ) ; void (*destroy_dquot)(struct dquot * ) ; int (*acquire_dquot)(struct dquot * ) ; int (*release_dquot)(struct dquot * ) ; int (*mark_dirty)(struct dquot * ) ; int (*write_info)(struct super_block * , int ) ; qsize_t *(*get_reserved_space)(struct inode * ) ; int (*get_projid)(struct inode * , kprojid_t * ) ; }; struct qc_dqblk { int d_fieldmask ; u64 d_spc_hardlimit ; u64 d_spc_softlimit ; u64 d_ino_hardlimit ; u64 d_ino_softlimit ; u64 d_space ; u64 d_ino_count ; s64 d_ino_timer ; s64 d_spc_timer ; int d_ino_warns ; int d_spc_warns ; u64 d_rt_spc_hardlimit ; u64 d_rt_spc_softlimit ; u64 d_rt_space ; s64 d_rt_spc_timer ; int d_rt_spc_warns ; }; struct qc_type_state { unsigned int flags ; unsigned int spc_timelimit ; unsigned int ino_timelimit ; unsigned int rt_spc_timelimit ; unsigned int spc_warnlimit ; unsigned int ino_warnlimit ; unsigned int rt_spc_warnlimit ; unsigned long long ino ; blkcnt_t blocks ; blkcnt_t nextents ; }; struct qc_state { unsigned int s_incoredqs ; struct qc_type_state s_state[3U] ; }; struct qc_info { int i_fieldmask ; unsigned int i_flags ; unsigned int i_spc_timelimit ; unsigned int i_ino_timelimit ; unsigned int i_rt_spc_timelimit ; unsigned int i_spc_warnlimit ; unsigned int i_ino_warnlimit ; unsigned int i_rt_spc_warnlimit ; }; struct quotactl_ops { int (*quota_on)(struct super_block * , int , int , struct path * ) ; int (*quota_off)(struct super_block * , int ) ; int (*quota_enable)(struct super_block * , unsigned int ) ; int (*quota_disable)(struct super_block * , unsigned int ) ; int (*quota_sync)(struct super_block * , int ) ; int (*set_info)(struct super_block * , int , struct qc_info * ) ; int (*get_dqblk)(struct super_block * , struct kqid , struct qc_dqblk * ) ; int (*set_dqblk)(struct super_block * , struct kqid , struct qc_dqblk * ) ; int (*get_state)(struct super_block * , struct qc_state * ) ; int (*rm_xquota)(struct super_block * , unsigned int ) ; }; struct quota_format_type { int qf_fmt_id ; struct quota_format_ops const *qf_ops ; struct module *qf_owner ; struct quota_format_type *qf_next ; }; struct quota_info { unsigned int flags ; struct mutex dqio_mutex ; struct mutex dqonoff_mutex ; struct inode *files[3U] ; struct mem_dqinfo info[3U] ; struct quota_format_ops const *ops[3U] ; }; struct kiocb { struct file *ki_filp ; loff_t ki_pos ; void (*ki_complete)(struct kiocb * , long , long ) ; void *private ; int ki_flags ; }; struct address_space_operations { int (*writepage)(struct page * , struct writeback_control * ) ; int (*readpage)(struct file * , struct page * ) ; int (*writepages)(struct address_space * , struct writeback_control * ) ; int (*set_page_dirty)(struct page * ) ; int (*readpages)(struct file * , struct address_space * , struct list_head * , unsigned int ) ; int (*write_begin)(struct file * , struct address_space * , loff_t , unsigned int , unsigned int , struct page ** , void ** ) ; int (*write_end)(struct file * , struct address_space * , loff_t , unsigned int , unsigned int , struct page * , void * ) ; sector_t (*bmap)(struct address_space * , sector_t ) ; void (*invalidatepage)(struct page * , unsigned int , unsigned int ) ; int (*releasepage)(struct page * , gfp_t ) ; void (*freepage)(struct page * ) ; ssize_t (*direct_IO)(struct kiocb * , struct iov_iter * , loff_t ) ; int (*migratepage)(struct address_space * , struct page * , struct page * , enum migrate_mode ) ; int (*launder_page)(struct page * ) ; int (*is_partially_uptodate)(struct page * , unsigned long , unsigned long ) ; void (*is_dirty_writeback)(struct page * , bool * , bool * ) ; int (*error_remove_page)(struct address_space * , struct page * ) ; int (*swap_activate)(struct swap_info_struct * , struct file * , sector_t * ) ; void (*swap_deactivate)(struct file * ) ; }; struct address_space { struct inode *host ; struct radix_tree_root page_tree ; spinlock_t tree_lock ; atomic_t i_mmap_writable ; struct rb_root i_mmap ; struct rw_semaphore i_mmap_rwsem ; unsigned long nrpages ; unsigned long nrshadows ; unsigned long writeback_index ; struct address_space_operations const *a_ops ; unsigned long flags ; spinlock_t private_lock ; struct list_head private_list ; void *private_data ; }; struct request_queue; struct hd_struct; struct gendisk; struct block_device { dev_t bd_dev ; int bd_openers ; struct inode *bd_inode ; struct super_block *bd_super ; struct mutex bd_mutex ; struct list_head bd_inodes ; void *bd_claiming ; void *bd_holder ; int bd_holders ; bool bd_write_holder ; struct list_head bd_holder_disks ; struct block_device *bd_contains ; unsigned int bd_block_size ; struct hd_struct *bd_part ; unsigned int bd_part_count ; int bd_invalidated ; struct gendisk *bd_disk ; struct request_queue *bd_queue ; struct list_head bd_list ; unsigned long bd_private ; int bd_fsfreeze_count ; struct mutex bd_fsfreeze_mutex ; }; struct posix_acl; struct inode_operations; union __anonunion____missing_field_name_274 { unsigned int const i_nlink ; unsigned int __i_nlink ; }; union __anonunion____missing_field_name_275 { struct hlist_head i_dentry ; struct callback_head i_rcu ; }; struct file_lock_context; struct cdev; union __anonunion____missing_field_name_276 { struct pipe_inode_info *i_pipe ; struct block_device *i_bdev ; struct cdev *i_cdev ; char *i_link ; }; struct inode { umode_t i_mode ; unsigned short i_opflags ; kuid_t i_uid ; kgid_t i_gid ; unsigned int i_flags ; struct posix_acl *i_acl ; struct posix_acl *i_default_acl ; struct inode_operations const *i_op ; struct super_block *i_sb ; struct address_space *i_mapping ; void *i_security ; unsigned long i_ino ; union __anonunion____missing_field_name_274 __annonCompField89 ; dev_t i_rdev ; loff_t i_size ; struct timespec i_atime ; struct timespec i_mtime ; struct timespec i_ctime ; spinlock_t i_lock ; unsigned short i_bytes ; unsigned int i_blkbits ; blkcnt_t i_blocks ; unsigned long i_state ; struct mutex i_mutex ; unsigned long dirtied_when ; unsigned long dirtied_time_when ; struct hlist_node i_hash ; struct list_head i_wb_list ; struct bdi_writeback *i_wb ; int i_wb_frn_winner ; u16 i_wb_frn_avg_time ; u16 i_wb_frn_history ; struct list_head i_lru ; struct list_head i_sb_list ; union __anonunion____missing_field_name_275 __annonCompField90 ; u64 i_version ; atomic_t i_count ; atomic_t i_dio_count ; atomic_t i_writecount ; atomic_t i_readcount ; struct file_operations const *i_fop ; struct file_lock_context *i_flctx ; struct address_space i_data ; struct list_head i_devices ; union __anonunion____missing_field_name_276 __annonCompField91 ; __u32 i_generation ; __u32 i_fsnotify_mask ; struct hlist_head i_fsnotify_marks ; void *i_private ; }; struct fown_struct { rwlock_t lock ; struct pid *pid ; enum pid_type pid_type ; kuid_t uid ; kuid_t euid ; int signum ; }; struct file_ra_state { unsigned long start ; unsigned int size ; unsigned int async_size ; unsigned int ra_pages ; unsigned int mmap_miss ; loff_t prev_pos ; }; union __anonunion_f_u_277 { struct llist_node fu_llist ; struct callback_head fu_rcuhead ; }; struct file { union __anonunion_f_u_277 f_u ; struct path f_path ; struct inode *f_inode ; struct file_operations const *f_op ; spinlock_t f_lock ; atomic_long_t f_count ; unsigned int f_flags ; fmode_t f_mode ; struct mutex f_pos_lock ; loff_t f_pos ; struct fown_struct f_owner ; struct cred const *f_cred ; struct file_ra_state f_ra ; u64 f_version ; void *f_security ; void *private_data ; struct list_head f_ep_links ; struct list_head f_tfile_llink ; struct address_space *f_mapping ; }; typedef void *fl_owner_t; struct file_lock; struct file_lock_operations { void (*fl_copy_lock)(struct file_lock * , struct file_lock * ) ; void (*fl_release_private)(struct file_lock * ) ; }; struct lock_manager_operations { int (*lm_compare_owner)(struct file_lock * , struct file_lock * ) ; unsigned long (*lm_owner_key)(struct file_lock * ) ; fl_owner_t (*lm_get_owner)(fl_owner_t ) ; void (*lm_put_owner)(fl_owner_t ) ; void (*lm_notify)(struct file_lock * ) ; int (*lm_grant)(struct file_lock * , int ) ; bool (*lm_break)(struct file_lock * ) ; int (*lm_change)(struct file_lock * , int , struct list_head * ) ; void (*lm_setup)(struct file_lock * , void ** ) ; }; struct nlm_lockowner; struct nfs_lock_info { u32 state ; struct nlm_lockowner *owner ; struct list_head list ; }; struct nfs4_lock_state; struct nfs4_lock_info { struct nfs4_lock_state *owner ; }; struct __anonstruct_afs_279 { struct list_head link ; int state ; }; union __anonunion_fl_u_278 { struct nfs_lock_info nfs_fl ; struct nfs4_lock_info nfs4_fl ; struct __anonstruct_afs_279 afs ; }; struct file_lock { struct file_lock *fl_next ; struct list_head fl_list ; struct hlist_node fl_link ; struct list_head fl_block ; fl_owner_t fl_owner ; unsigned int fl_flags ; unsigned char fl_type ; unsigned int fl_pid ; int fl_link_cpu ; struct pid *fl_nspid ; wait_queue_head_t fl_wait ; struct file *fl_file ; loff_t fl_start ; loff_t fl_end ; struct fasync_struct *fl_fasync ; unsigned long fl_break_time ; unsigned long fl_downgrade_time ; struct file_lock_operations const *fl_ops ; struct lock_manager_operations const *fl_lmops ; union __anonunion_fl_u_278 fl_u ; }; struct file_lock_context { spinlock_t flc_lock ; struct list_head flc_flock ; struct list_head flc_posix ; struct list_head flc_lease ; }; struct fasync_struct { spinlock_t fa_lock ; int magic ; int fa_fd ; struct fasync_struct *fa_next ; struct file *fa_file ; struct callback_head fa_rcu ; }; struct sb_writers { struct percpu_counter counter[3U] ; wait_queue_head_t wait ; int frozen ; wait_queue_head_t wait_unfrozen ; struct lockdep_map lock_map[3U] ; }; struct super_operations; struct xattr_handler; struct mtd_info; struct super_block { struct list_head s_list ; dev_t s_dev ; unsigned char s_blocksize_bits ; unsigned long s_blocksize ; loff_t s_maxbytes ; struct file_system_type *s_type ; struct super_operations const *s_op ; struct dquot_operations const *dq_op ; struct quotactl_ops const *s_qcop ; struct export_operations const *s_export_op ; unsigned long s_flags ; unsigned long s_iflags ; unsigned long s_magic ; struct dentry *s_root ; struct rw_semaphore s_umount ; int s_count ; atomic_t s_active ; void *s_security ; struct xattr_handler const **s_xattr ; struct list_head s_inodes ; struct hlist_bl_head s_anon ; struct list_head s_mounts ; struct block_device *s_bdev ; struct backing_dev_info *s_bdi ; struct mtd_info *s_mtd ; struct hlist_node s_instances ; unsigned int s_quota_types ; struct quota_info s_dquot ; struct sb_writers s_writers ; char s_id[32U] ; u8 s_uuid[16U] ; void *s_fs_info ; unsigned int s_max_links ; fmode_t s_mode ; u32 s_time_gran ; struct mutex s_vfs_rename_mutex ; char *s_subtype ; char *s_options ; struct dentry_operations const *s_d_op ; int cleancache_poolid ; struct shrinker s_shrink ; atomic_long_t s_remove_count ; int s_readonly_remount ; struct workqueue_struct *s_dio_done_wq ; struct hlist_head s_pins ; struct list_lru s_dentry_lru ; struct list_lru s_inode_lru ; struct callback_head rcu ; int s_stack_depth ; }; struct fiemap_extent_info { unsigned int fi_flags ; unsigned int fi_extents_mapped ; unsigned int fi_extents_max ; struct fiemap_extent *fi_extents_start ; }; struct dir_context; struct dir_context { int (*actor)(struct dir_context * , char const * , int , loff_t , u64 , unsigned int ) ; loff_t pos ; }; struct file_operations { struct module *owner ; loff_t (*llseek)(struct file * , loff_t , int ) ; ssize_t (*read)(struct file * , char * , size_t , loff_t * ) ; ssize_t (*write)(struct file * , char const * , size_t , loff_t * ) ; ssize_t (*read_iter)(struct kiocb * , struct iov_iter * ) ; ssize_t (*write_iter)(struct kiocb * , struct iov_iter * ) ; int (*iterate)(struct file * , struct dir_context * ) ; unsigned int (*poll)(struct file * , struct poll_table_struct * ) ; long (*unlocked_ioctl)(struct file * , unsigned int , unsigned long ) ; long (*compat_ioctl)(struct file * , unsigned int , unsigned long ) ; int (*mmap)(struct file * , struct vm_area_struct * ) ; int (*mremap)(struct file * , struct vm_area_struct * ) ; int (*open)(struct inode * , struct file * ) ; int (*flush)(struct file * , fl_owner_t ) ; int (*release)(struct inode * , struct file * ) ; int (*fsync)(struct file * , loff_t , loff_t , int ) ; int (*aio_fsync)(struct kiocb * , int ) ; int (*fasync)(int , struct file * , int ) ; int (*lock)(struct file * , int , struct file_lock * ) ; ssize_t (*sendpage)(struct file * , struct page * , int , size_t , loff_t * , int ) ; unsigned long (*get_unmapped_area)(struct file * , unsigned long , unsigned long , unsigned long , unsigned long ) ; int (*check_flags)(int ) ; int (*flock)(struct file * , int , struct file_lock * ) ; ssize_t (*splice_write)(struct pipe_inode_info * , struct file * , loff_t * , size_t , unsigned int ) ; ssize_t (*splice_read)(struct file * , loff_t * , struct pipe_inode_info * , size_t , unsigned int ) ; int (*setlease)(struct file * , long , struct file_lock ** , void ** ) ; long (*fallocate)(struct file * , int , loff_t , loff_t ) ; void (*show_fdinfo)(struct seq_file * , struct file * ) ; }; struct inode_operations { struct dentry *(*lookup)(struct inode * , struct dentry * , unsigned int ) ; char const *(*follow_link)(struct dentry * , void ** ) ; int (*permission)(struct inode * , int ) ; struct posix_acl *(*get_acl)(struct inode * , int ) ; int (*readlink)(struct dentry * , char * , int ) ; void (*put_link)(struct inode * , void * ) ; int (*create)(struct inode * , struct dentry * , umode_t , bool ) ; int (*link)(struct dentry * , struct inode * , struct dentry * ) ; int (*unlink)(struct inode * , struct dentry * ) ; int (*symlink)(struct inode * , struct dentry * , char const * ) ; int (*mkdir)(struct inode * , struct dentry * , umode_t ) ; int (*rmdir)(struct inode * , struct dentry * ) ; int (*mknod)(struct inode * , struct dentry * , umode_t , dev_t ) ; int (*rename)(struct inode * , struct dentry * , struct inode * , struct dentry * ) ; int (*rename2)(struct inode * , struct dentry * , struct inode * , struct dentry * , unsigned int ) ; int (*setattr)(struct dentry * , struct iattr * ) ; int (*getattr)(struct vfsmount * , struct dentry * , struct kstat * ) ; int (*setxattr)(struct dentry * , char const * , void const * , size_t , int ) ; ssize_t (*getxattr)(struct dentry * , char const * , void * , size_t ) ; ssize_t (*listxattr)(struct dentry * , char * , size_t ) ; int (*removexattr)(struct dentry * , char const * ) ; int (*fiemap)(struct inode * , struct fiemap_extent_info * , u64 , u64 ) ; int (*update_time)(struct inode * , struct timespec * , int ) ; int (*atomic_open)(struct inode * , struct dentry * , struct file * , unsigned int , umode_t , int * ) ; int (*tmpfile)(struct inode * , struct dentry * , umode_t ) ; int (*set_acl)(struct inode * , struct posix_acl * , int ) ; }; struct super_operations { struct inode *(*alloc_inode)(struct super_block * ) ; void (*destroy_inode)(struct inode * ) ; void (*dirty_inode)(struct inode * , int ) ; int (*write_inode)(struct inode * , struct writeback_control * ) ; int (*drop_inode)(struct inode * ) ; void (*evict_inode)(struct inode * ) ; void (*put_super)(struct super_block * ) ; int (*sync_fs)(struct super_block * , int ) ; int (*freeze_super)(struct super_block * ) ; int (*freeze_fs)(struct super_block * ) ; int (*thaw_super)(struct super_block * ) ; int (*unfreeze_fs)(struct super_block * ) ; int (*statfs)(struct dentry * , struct kstatfs * ) ; int (*remount_fs)(struct super_block * , int * , char * ) ; void (*umount_begin)(struct super_block * ) ; int (*show_options)(struct seq_file * , struct dentry * ) ; int (*show_devname)(struct seq_file * , struct dentry * ) ; int (*show_path)(struct seq_file * , struct dentry * ) ; int (*show_stats)(struct seq_file * , struct dentry * ) ; ssize_t (*quota_read)(struct super_block * , int , char * , size_t , loff_t ) ; ssize_t (*quota_write)(struct super_block * , int , char const * , size_t , loff_t ) ; struct dquot **(*get_dquots)(struct inode * ) ; int (*bdev_try_to_free_page)(struct super_block * , struct page * , gfp_t ) ; long (*nr_cached_objects)(struct super_block * , struct shrink_control * ) ; long (*free_cached_objects)(struct super_block * , struct shrink_control * ) ; }; struct file_system_type { char const *name ; int fs_flags ; struct dentry *(*mount)(struct file_system_type * , int , char const * , void * ) ; void (*kill_sb)(struct super_block * ) ; struct module *owner ; struct file_system_type *next ; struct hlist_head fs_supers ; struct lock_class_key s_lock_key ; struct lock_class_key s_umount_key ; struct lock_class_key s_vfs_rename_key ; struct lock_class_key s_writers_key[3U] ; struct lock_class_key i_lock_key ; struct lock_class_key i_mutex_key ; struct lock_class_key i_mutex_dir_key ; }; typedef s32 compat_time_t; typedef s32 compat_long_t; typedef u32 compat_uptr_t; struct compat_timespec { compat_time_t tv_sec ; s32 tv_nsec ; }; struct compat_robust_list { compat_uptr_t next ; }; struct compat_robust_list_head { struct compat_robust_list list ; compat_long_t futex_offset ; compat_uptr_t list_op_pending ; }; struct ethtool_cmd { __u32 cmd ; __u32 supported ; __u32 advertising ; __u16 speed ; __u8 duplex ; __u8 port ; __u8 phy_address ; __u8 transceiver ; __u8 autoneg ; __u8 mdio_support ; __u32 maxtxpkt ; __u32 maxrxpkt ; __u16 speed_hi ; __u8 eth_tp_mdix ; __u8 eth_tp_mdix_ctrl ; __u32 lp_advertising ; __u32 reserved[2U] ; }; struct ethtool_drvinfo { __u32 cmd ; char driver[32U] ; char version[32U] ; char fw_version[32U] ; char bus_info[32U] ; char erom_version[32U] ; char reserved2[12U] ; __u32 n_priv_flags ; __u32 n_stats ; __u32 testinfo_len ; __u32 eedump_len ; __u32 regdump_len ; }; struct ethtool_wolinfo { __u32 cmd ; __u32 supported ; __u32 wolopts ; __u8 sopass[6U] ; }; struct ethtool_tunable { __u32 cmd ; __u32 id ; __u32 type_id ; __u32 len ; void *data[0U] ; }; struct ethtool_regs { __u32 cmd ; __u32 version ; __u32 len ; __u8 data[0U] ; }; struct ethtool_eeprom { __u32 cmd ; __u32 magic ; __u32 offset ; __u32 len ; __u8 data[0U] ; }; struct ethtool_eee { __u32 cmd ; __u32 supported ; __u32 advertised ; __u32 lp_advertised ; __u32 eee_active ; __u32 eee_enabled ; __u32 tx_lpi_enabled ; __u32 tx_lpi_timer ; __u32 reserved[2U] ; }; struct ethtool_modinfo { __u32 cmd ; __u32 type ; __u32 eeprom_len ; __u32 reserved[8U] ; }; struct ethtool_coalesce { __u32 cmd ; __u32 rx_coalesce_usecs ; __u32 rx_max_coalesced_frames ; __u32 rx_coalesce_usecs_irq ; __u32 rx_max_coalesced_frames_irq ; __u32 tx_coalesce_usecs ; __u32 tx_max_coalesced_frames ; __u32 tx_coalesce_usecs_irq ; __u32 tx_max_coalesced_frames_irq ; __u32 stats_block_coalesce_usecs ; __u32 use_adaptive_rx_coalesce ; __u32 use_adaptive_tx_coalesce ; __u32 pkt_rate_low ; __u32 rx_coalesce_usecs_low ; __u32 rx_max_coalesced_frames_low ; __u32 tx_coalesce_usecs_low ; __u32 tx_max_coalesced_frames_low ; __u32 pkt_rate_high ; __u32 rx_coalesce_usecs_high ; __u32 rx_max_coalesced_frames_high ; __u32 tx_coalesce_usecs_high ; __u32 tx_max_coalesced_frames_high ; __u32 rate_sample_interval ; }; struct ethtool_ringparam { __u32 cmd ; __u32 rx_max_pending ; __u32 rx_mini_max_pending ; __u32 rx_jumbo_max_pending ; __u32 tx_max_pending ; __u32 rx_pending ; __u32 rx_mini_pending ; __u32 rx_jumbo_pending ; __u32 tx_pending ; }; struct ethtool_channels { __u32 cmd ; __u32 max_rx ; __u32 max_tx ; __u32 max_other ; __u32 max_combined ; __u32 rx_count ; __u32 tx_count ; __u32 other_count ; __u32 combined_count ; }; struct ethtool_pauseparam { __u32 cmd ; __u32 autoneg ; __u32 rx_pause ; __u32 tx_pause ; }; struct ethtool_test { __u32 cmd ; __u32 flags ; __u32 reserved ; __u32 len ; __u64 data[0U] ; }; struct ethtool_stats { __u32 cmd ; __u32 n_stats ; __u64 data[0U] ; }; struct ethtool_tcpip4_spec { __be32 ip4src ; __be32 ip4dst ; __be16 psrc ; __be16 pdst ; __u8 tos ; }; struct ethtool_ah_espip4_spec { __be32 ip4src ; __be32 ip4dst ; __be32 spi ; __u8 tos ; }; struct ethtool_usrip4_spec { __be32 ip4src ; __be32 ip4dst ; __be32 l4_4_bytes ; __u8 tos ; __u8 ip_ver ; __u8 proto ; }; union ethtool_flow_union { struct ethtool_tcpip4_spec tcp_ip4_spec ; struct ethtool_tcpip4_spec udp_ip4_spec ; struct ethtool_tcpip4_spec sctp_ip4_spec ; struct ethtool_ah_espip4_spec ah_ip4_spec ; struct ethtool_ah_espip4_spec esp_ip4_spec ; struct ethtool_usrip4_spec usr_ip4_spec ; struct ethhdr ether_spec ; __u8 hdata[52U] ; }; struct ethtool_flow_ext { __u8 padding[2U] ; unsigned char h_dest[6U] ; __be16 vlan_etype ; __be16 vlan_tci ; __be32 data[2U] ; }; struct ethtool_rx_flow_spec { __u32 flow_type ; union ethtool_flow_union h_u ; struct ethtool_flow_ext h_ext ; union ethtool_flow_union m_u ; struct ethtool_flow_ext m_ext ; __u64 ring_cookie ; __u32 location ; }; struct ethtool_rxnfc { __u32 cmd ; __u32 flow_type ; __u64 data ; struct ethtool_rx_flow_spec fs ; __u32 rule_cnt ; __u32 rule_locs[0U] ; }; struct ethtool_flash { __u32 cmd ; __u32 region ; char data[128U] ; }; struct ethtool_dump { __u32 cmd ; __u32 version ; __u32 flag ; __u32 len ; __u8 data[0U] ; }; struct ethtool_ts_info { __u32 cmd ; __u32 so_timestamping ; __s32 phc_index ; __u32 tx_types ; __u32 tx_reserved[3U] ; __u32 rx_filters ; __u32 rx_reserved[3U] ; }; enum ethtool_phys_id_state { ETHTOOL_ID_INACTIVE = 0, ETHTOOL_ID_ACTIVE = 1, ETHTOOL_ID_ON = 2, ETHTOOL_ID_OFF = 3 } ; struct ethtool_ops { int (*get_settings)(struct net_device * , struct ethtool_cmd * ) ; int (*set_settings)(struct net_device * , struct ethtool_cmd * ) ; void (*get_drvinfo)(struct net_device * , struct ethtool_drvinfo * ) ; int (*get_regs_len)(struct net_device * ) ; void (*get_regs)(struct net_device * , struct ethtool_regs * , void * ) ; void (*get_wol)(struct net_device * , struct ethtool_wolinfo * ) ; int (*set_wol)(struct net_device * , struct ethtool_wolinfo * ) ; u32 (*get_msglevel)(struct net_device * ) ; void (*set_msglevel)(struct net_device * , u32 ) ; int (*nway_reset)(struct net_device * ) ; u32 (*get_link)(struct net_device * ) ; int (*get_eeprom_len)(struct net_device * ) ; int (*get_eeprom)(struct net_device * , struct ethtool_eeprom * , u8 * ) ; int (*set_eeprom)(struct net_device * , struct ethtool_eeprom * , u8 * ) ; int (*get_coalesce)(struct net_device * , struct ethtool_coalesce * ) ; int (*set_coalesce)(struct net_device * , struct ethtool_coalesce * ) ; void (*get_ringparam)(struct net_device * , struct ethtool_ringparam * ) ; int (*set_ringparam)(struct net_device * , struct ethtool_ringparam * ) ; void (*get_pauseparam)(struct net_device * , struct ethtool_pauseparam * ) ; int (*set_pauseparam)(struct net_device * , struct ethtool_pauseparam * ) ; void (*self_test)(struct net_device * , struct ethtool_test * , u64 * ) ; void (*get_strings)(struct net_device * , u32 , u8 * ) ; int (*set_phys_id)(struct net_device * , enum ethtool_phys_id_state ) ; void (*get_ethtool_stats)(struct net_device * , struct ethtool_stats * , u64 * ) ; int (*begin)(struct net_device * ) ; void (*complete)(struct net_device * ) ; u32 (*get_priv_flags)(struct net_device * ) ; int (*set_priv_flags)(struct net_device * , u32 ) ; int (*get_sset_count)(struct net_device * , int ) ; int (*get_rxnfc)(struct net_device * , struct ethtool_rxnfc * , u32 * ) ; int (*set_rxnfc)(struct net_device * , struct ethtool_rxnfc * ) ; int (*flash_device)(struct net_device * , struct ethtool_flash * ) ; int (*reset)(struct net_device * , u32 * ) ; u32 (*get_rxfh_key_size)(struct net_device * ) ; u32 (*get_rxfh_indir_size)(struct net_device * ) ; int (*get_rxfh)(struct net_device * , u32 * , u8 * , u8 * ) ; int (*set_rxfh)(struct net_device * , u32 const * , u8 const * , u8 const ) ; void (*get_channels)(struct net_device * , struct ethtool_channels * ) ; int (*set_channels)(struct net_device * , struct ethtool_channels * ) ; int (*get_dump_flag)(struct net_device * , struct ethtool_dump * ) ; int (*get_dump_data)(struct net_device * , struct ethtool_dump * , void * ) ; int (*set_dump)(struct net_device * , struct ethtool_dump * ) ; int (*get_ts_info)(struct net_device * , struct ethtool_ts_info * ) ; int (*get_module_info)(struct net_device * , struct ethtool_modinfo * ) ; int (*get_module_eeprom)(struct net_device * , struct ethtool_eeprom * , u8 * ) ; int (*get_eee)(struct net_device * , struct ethtool_eee * ) ; int (*set_eee)(struct net_device * , struct ethtool_eee * ) ; int (*get_tunable)(struct net_device * , struct ethtool_tunable const * , void * ) ; int (*set_tunable)(struct net_device * , struct ethtool_tunable const * , void const * ) ; }; struct prot_inuse; struct netns_core { struct ctl_table_header *sysctl_hdr ; int sysctl_somaxconn ; struct prot_inuse *inuse ; }; struct u64_stats_sync { }; struct ipstats_mib { u64 mibs[36U] ; struct u64_stats_sync syncp ; }; struct icmp_mib { unsigned long mibs[28U] ; }; struct icmpmsg_mib { atomic_long_t mibs[512U] ; }; struct icmpv6_mib { unsigned long mibs[6U] ; }; struct icmpv6_mib_device { atomic_long_t mibs[6U] ; }; struct icmpv6msg_mib { atomic_long_t mibs[512U] ; }; struct icmpv6msg_mib_device { atomic_long_t mibs[512U] ; }; struct tcp_mib { unsigned long mibs[16U] ; }; struct udp_mib { unsigned long mibs[9U] ; }; struct linux_mib { unsigned long mibs[115U] ; }; struct linux_xfrm_mib { unsigned long mibs[29U] ; }; struct netns_mib { struct tcp_mib *tcp_statistics ; struct ipstats_mib *ip_statistics ; struct linux_mib *net_statistics ; struct udp_mib *udp_statistics ; struct udp_mib *udplite_statistics ; struct icmp_mib *icmp_statistics ; struct icmpmsg_mib *icmpmsg_statistics ; struct proc_dir_entry *proc_net_devsnmp6 ; struct udp_mib *udp_stats_in6 ; struct udp_mib *udplite_stats_in6 ; struct ipstats_mib *ipv6_statistics ; struct icmpv6_mib *icmpv6_statistics ; struct icmpv6msg_mib *icmpv6msg_statistics ; struct linux_xfrm_mib *xfrm_statistics ; }; struct netns_unix { int sysctl_max_dgram_qlen ; struct ctl_table_header *ctl ; }; struct netns_packet { struct mutex sklist_lock ; struct hlist_head sklist ; }; struct netns_frags { struct percpu_counter mem ; int timeout ; int high_thresh ; int low_thresh ; }; struct ipv4_devconf; struct fib_rules_ops; struct fib_table; struct local_ports { seqlock_t lock ; int range[2U] ; bool warned ; }; struct ping_group_range { seqlock_t lock ; kgid_t range[2U] ; }; struct inet_peer_base; struct xt_table; struct netns_ipv4 { struct ctl_table_header *forw_hdr ; struct ctl_table_header *frags_hdr ; struct ctl_table_header *ipv4_hdr ; struct ctl_table_header *route_hdr ; struct ctl_table_header *xfrm4_hdr ; struct ipv4_devconf *devconf_all ; struct ipv4_devconf *devconf_dflt ; struct fib_rules_ops *rules_ops ; bool fib_has_custom_rules ; struct fib_table *fib_local ; struct fib_table *fib_main ; struct fib_table *fib_default ; int fib_num_tclassid_users ; struct hlist_head *fib_table_hash ; bool fib_offload_disabled ; struct sock *fibnl ; struct sock **icmp_sk ; struct sock *mc_autojoin_sk ; struct inet_peer_base *peers ; struct sock **tcp_sk ; struct netns_frags frags ; struct xt_table *iptable_filter ; struct xt_table *iptable_mangle ; struct xt_table *iptable_raw ; struct xt_table *arptable_filter ; struct xt_table *iptable_security ; struct xt_table *nat_table ; int sysctl_icmp_echo_ignore_all ; int sysctl_icmp_echo_ignore_broadcasts ; int sysctl_icmp_ignore_bogus_error_responses ; int sysctl_icmp_ratelimit ; int sysctl_icmp_ratemask ; int sysctl_icmp_errors_use_inbound_ifaddr ; struct local_ports ip_local_ports ; int sysctl_tcp_ecn ; int sysctl_tcp_ecn_fallback ; int sysctl_ip_no_pmtu_disc ; int sysctl_ip_fwd_use_pmtu ; int sysctl_ip_nonlocal_bind ; int sysctl_fwmark_reflect ; int sysctl_tcp_fwmark_accept ; int sysctl_tcp_mtu_probing ; int sysctl_tcp_base_mss ; int sysctl_tcp_probe_threshold ; u32 sysctl_tcp_probe_interval ; struct ping_group_range ping_group_range ; atomic_t dev_addr_genid ; unsigned long *sysctl_local_reserved_ports ; struct list_head mr_tables ; struct fib_rules_ops *mr_rules_ops ; atomic_t rt_genid ; }; struct neighbour; struct dst_ops { unsigned short family ; unsigned int gc_thresh ; int (*gc)(struct dst_ops * ) ; struct dst_entry *(*check)(struct dst_entry * , __u32 ) ; unsigned int (*default_advmss)(struct dst_entry const * ) ; unsigned int (*mtu)(struct dst_entry const * ) ; u32 *(*cow_metrics)(struct dst_entry * , unsigned long ) ; void (*destroy)(struct dst_entry * ) ; void (*ifdown)(struct dst_entry * , struct net_device * , int ) ; struct dst_entry *(*negative_advice)(struct dst_entry * ) ; void (*link_failure)(struct sk_buff * ) ; void (*update_pmtu)(struct dst_entry * , struct sock * , struct sk_buff * , u32 ) ; void (*redirect)(struct dst_entry * , struct sock * , struct sk_buff * ) ; int (*local_out)(struct sk_buff * ) ; struct neighbour *(*neigh_lookup)(struct dst_entry const * , struct sk_buff * , void const * ) ; struct kmem_cache *kmem_cachep ; struct percpu_counter pcpuc_entries ; }; struct netns_sysctl_ipv6 { struct ctl_table_header *hdr ; struct ctl_table_header *route_hdr ; struct ctl_table_header *icmp_hdr ; struct ctl_table_header *frags_hdr ; struct ctl_table_header *xfrm6_hdr ; int bindv6only ; int flush_delay ; int ip6_rt_max_size ; int ip6_rt_gc_min_interval ; int ip6_rt_gc_timeout ; int ip6_rt_gc_interval ; int ip6_rt_gc_elasticity ; int ip6_rt_mtu_expires ; int ip6_rt_min_advmss ; int flowlabel_consistency ; int auto_flowlabels ; int icmpv6_time ; int anycast_src_echo_reply ; int fwmark_reflect ; int idgen_retries ; int idgen_delay ; int flowlabel_state_ranges ; }; struct ipv6_devconf; struct rt6_info; struct rt6_statistics; struct fib6_table; struct netns_ipv6 { struct netns_sysctl_ipv6 sysctl ; struct ipv6_devconf *devconf_all ; struct ipv6_devconf *devconf_dflt ; struct inet_peer_base *peers ; struct netns_frags frags ; struct xt_table *ip6table_filter ; struct xt_table *ip6table_mangle ; struct xt_table *ip6table_raw ; struct xt_table *ip6table_security ; struct xt_table *ip6table_nat ; struct rt6_info *ip6_null_entry ; struct rt6_statistics *rt6_stats ; struct timer_list ip6_fib_timer ; struct hlist_head *fib_table_hash ; struct fib6_table *fib6_main_tbl ; struct dst_ops ip6_dst_ops ; unsigned int ip6_rt_gc_expire ; unsigned long ip6_rt_last_gc ; struct rt6_info *ip6_prohibit_entry ; struct rt6_info *ip6_blk_hole_entry ; struct fib6_table *fib6_local_tbl ; struct fib_rules_ops *fib6_rules_ops ; struct sock **icmp_sk ; struct sock *ndisc_sk ; struct sock *tcp_sk ; struct sock *igmp_sk ; struct sock *mc_autojoin_sk ; struct list_head mr6_tables ; struct fib_rules_ops *mr6_rules_ops ; atomic_t dev_addr_genid ; atomic_t fib6_sernum ; }; struct netns_nf_frag { struct netns_sysctl_ipv6 sysctl ; struct netns_frags frags ; }; struct netns_sysctl_lowpan { struct ctl_table_header *frags_hdr ; }; struct netns_ieee802154_lowpan { struct netns_sysctl_lowpan sysctl ; struct netns_frags frags ; }; struct sctp_mib; struct netns_sctp { struct sctp_mib *sctp_statistics ; struct proc_dir_entry *proc_net_sctp ; struct ctl_table_header *sysctl_header ; struct sock *ctl_sock ; struct list_head local_addr_list ; struct list_head addr_waitq ; struct timer_list addr_wq_timer ; struct list_head auto_asconf_splist ; spinlock_t addr_wq_lock ; spinlock_t local_addr_lock ; unsigned int rto_initial ; unsigned int rto_min ; unsigned int rto_max ; int rto_alpha ; int rto_beta ; int max_burst ; int cookie_preserve_enable ; char *sctp_hmac_alg ; unsigned int valid_cookie_life ; unsigned int sack_timeout ; unsigned int hb_interval ; int max_retrans_association ; int max_retrans_path ; int max_retrans_init ; int pf_retrans ; int sndbuf_policy ; int rcvbuf_policy ; int default_auto_asconf ; int addip_enable ; int addip_noauth ; int prsctp_enable ; int auth_enable ; int scope_policy ; int rwnd_upd_shift ; unsigned long max_autoclose ; }; struct netns_dccp { struct sock *v4_ctl_sk ; struct sock *v6_ctl_sk ; }; struct nf_logger; struct netns_nf { struct proc_dir_entry *proc_netfilter ; struct nf_logger const *nf_loggers[13U] ; struct ctl_table_header *nf_log_dir_header ; }; struct ebt_table; struct netns_xt { struct list_head tables[13U] ; bool notrack_deprecated_warning ; bool clusterip_deprecated_warning ; struct ebt_table *broute_table ; struct ebt_table *frame_filter ; struct ebt_table *frame_nat ; }; struct hlist_nulls_node; struct hlist_nulls_head { struct hlist_nulls_node *first ; }; struct hlist_nulls_node { struct hlist_nulls_node *next ; struct hlist_nulls_node **pprev ; }; struct nf_proto_net { struct ctl_table_header *ctl_table_header ; struct ctl_table *ctl_table ; struct ctl_table_header *ctl_compat_header ; struct ctl_table *ctl_compat_table ; unsigned int users ; }; struct nf_generic_net { struct nf_proto_net pn ; unsigned int timeout ; }; struct nf_tcp_net { struct nf_proto_net pn ; unsigned int timeouts[14U] ; unsigned int tcp_loose ; unsigned int tcp_be_liberal ; unsigned int tcp_max_retrans ; }; struct nf_udp_net { struct nf_proto_net pn ; unsigned int timeouts[2U] ; }; struct nf_icmp_net { struct nf_proto_net pn ; unsigned int timeout ; }; struct nf_ip_net { struct nf_generic_net generic ; struct nf_tcp_net tcp ; struct nf_udp_net udp ; struct nf_icmp_net icmp ; struct nf_icmp_net icmpv6 ; struct ctl_table_header *ctl_table_header ; struct ctl_table *ctl_table ; }; struct ct_pcpu { spinlock_t lock ; struct hlist_nulls_head unconfirmed ; struct hlist_nulls_head dying ; struct hlist_nulls_head tmpl ; }; struct ip_conntrack_stat; struct nf_ct_event_notifier; struct nf_exp_event_notifier; struct netns_ct { atomic_t count ; unsigned int expect_count ; struct delayed_work ecache_dwork ; bool ecache_dwork_pending ; struct ctl_table_header *sysctl_header ; struct ctl_table_header *acct_sysctl_header ; struct ctl_table_header *tstamp_sysctl_header ; struct ctl_table_header *event_sysctl_header ; struct ctl_table_header *helper_sysctl_header ; char *slabname ; unsigned int sysctl_log_invalid ; int sysctl_events ; int sysctl_acct ; int sysctl_auto_assign_helper ; bool auto_assign_helper_warned ; int sysctl_tstamp ; int sysctl_checksum ; unsigned int htable_size ; seqcount_t generation ; struct kmem_cache *nf_conntrack_cachep ; struct hlist_nulls_head *hash ; struct hlist_head *expect_hash ; struct ct_pcpu *pcpu_lists ; struct ip_conntrack_stat *stat ; struct nf_ct_event_notifier *nf_conntrack_event_cb ; struct nf_exp_event_notifier *nf_expect_event_cb ; struct nf_ip_net nf_ct_proto ; unsigned int labels_used ; u8 label_words ; struct hlist_head *nat_bysource ; unsigned int nat_htable_size ; }; struct nft_af_info; struct netns_nftables { struct list_head af_info ; struct list_head commit_list ; struct nft_af_info *ipv4 ; struct nft_af_info *ipv6 ; struct nft_af_info *inet ; struct nft_af_info *arp ; struct nft_af_info *bridge ; struct nft_af_info *netdev ; unsigned int base_seq ; u8 gencursor ; }; struct flow_cache_percpu { struct hlist_head *hash_table ; int hash_count ; u32 hash_rnd ; int hash_rnd_recalc ; struct tasklet_struct flush_tasklet ; }; struct flow_cache { u32 hash_shift ; struct flow_cache_percpu *percpu ; struct notifier_block hotcpu_notifier ; int low_watermark ; int high_watermark ; struct timer_list rnd_timer ; }; struct xfrm_policy_hash { struct hlist_head *table ; unsigned int hmask ; u8 dbits4 ; u8 sbits4 ; u8 dbits6 ; u8 sbits6 ; }; struct xfrm_policy_hthresh { struct work_struct work ; seqlock_t lock ; u8 lbits4 ; u8 rbits4 ; u8 lbits6 ; u8 rbits6 ; }; struct netns_xfrm { struct list_head state_all ; struct hlist_head *state_bydst ; struct hlist_head *state_bysrc ; struct hlist_head *state_byspi ; unsigned int state_hmask ; unsigned int state_num ; struct work_struct state_hash_work ; struct hlist_head state_gc_list ; struct work_struct state_gc_work ; struct list_head policy_all ; struct hlist_head *policy_byidx ; unsigned int policy_idx_hmask ; struct hlist_head policy_inexact[3U] ; struct xfrm_policy_hash policy_bydst[3U] ; unsigned int policy_count[6U] ; struct work_struct policy_hash_work ; struct xfrm_policy_hthresh policy_hthresh ; struct sock *nlsk ; struct sock *nlsk_stash ; u32 sysctl_aevent_etime ; u32 sysctl_aevent_rseqth ; int sysctl_larval_drop ; u32 sysctl_acq_expires ; struct ctl_table_header *sysctl_hdr ; struct dst_ops xfrm4_dst_ops ; struct dst_ops xfrm6_dst_ops ; spinlock_t xfrm_state_lock ; rwlock_t xfrm_policy_lock ; struct mutex xfrm_cfg_mutex ; struct flow_cache flow_cache_global ; atomic_t flow_cache_genid ; struct list_head flow_cache_gc_list ; spinlock_t flow_cache_gc_lock ; struct work_struct flow_cache_gc_work ; struct work_struct flow_cache_flush_work ; struct mutex flow_flush_sem ; }; struct mpls_route; struct netns_mpls { size_t platform_labels ; struct mpls_route **platform_label ; struct ctl_table_header *ctl ; }; struct proc_ns_operations; struct ns_common { atomic_long_t stashed ; struct proc_ns_operations const *ops ; unsigned int inum ; }; struct net_generic; struct netns_ipvs; struct net { atomic_t passive ; atomic_t count ; spinlock_t rules_mod_lock ; atomic64_t cookie_gen ; struct list_head list ; struct list_head cleanup_list ; struct list_head exit_list ; struct user_namespace *user_ns ; spinlock_t nsid_lock ; struct idr netns_ids ; struct ns_common ns ; struct proc_dir_entry *proc_net ; struct proc_dir_entry *proc_net_stat ; struct ctl_table_set sysctls ; struct sock *rtnl ; struct sock *genl_sock ; struct list_head dev_base_head ; struct hlist_head *dev_name_head ; struct hlist_head *dev_index_head ; unsigned int dev_base_seq ; int ifindex ; unsigned int dev_unreg_count ; struct list_head rules_ops ; struct net_device *loopback_dev ; struct netns_core core ; struct netns_mib mib ; struct netns_packet packet ; struct netns_unix unx ; struct netns_ipv4 ipv4 ; struct netns_ipv6 ipv6 ; struct netns_ieee802154_lowpan ieee802154_lowpan ; struct netns_sctp sctp ; struct netns_dccp dccp ; struct netns_nf nf ; struct netns_xt xt ; struct netns_ct ct ; struct netns_nftables nft ; struct netns_nf_frag nf_frag ; struct sock *nfnl ; struct sock *nfnl_stash ; struct sk_buff_head wext_nlevents ; struct net_generic *gen ; struct netns_xfrm xfrm ; struct netns_ipvs *ipvs ; struct netns_mpls mpls ; struct sock *diag_nlsk ; atomic_t fnhe_genid ; }; struct __anonstruct_possible_net_t_302 { struct net *net ; }; typedef struct __anonstruct_possible_net_t_302 possible_net_t; typedef unsigned long kernel_ulong_t; struct acpi_device_id { __u8 id[9U] ; kernel_ulong_t driver_data ; }; struct of_device_id { char name[32U] ; char type[32U] ; char compatible[128U] ; void const *data ; }; enum fwnode_type { FWNODE_INVALID = 0, FWNODE_OF = 1, FWNODE_ACPI = 2, FWNODE_PDATA = 3 } ; struct fwnode_handle { enum fwnode_type type ; struct fwnode_handle *secondary ; }; typedef u32 phandle; struct property { char *name ; int length ; void *value ; struct property *next ; unsigned long _flags ; unsigned int unique_id ; struct bin_attribute attr ; }; struct device_node { char const *name ; char const *type ; phandle phandle ; char const *full_name ; struct fwnode_handle fwnode ; struct property *properties ; struct property *deadprops ; struct device_node *parent ; struct device_node *child ; struct device_node *sibling ; struct kobject kobj ; unsigned long _flags ; void *data ; }; enum ldv_27716 { PHY_INTERFACE_MODE_NA = 0, PHY_INTERFACE_MODE_MII = 1, PHY_INTERFACE_MODE_GMII = 2, PHY_INTERFACE_MODE_SGMII = 3, PHY_INTERFACE_MODE_TBI = 4, PHY_INTERFACE_MODE_REVMII = 5, PHY_INTERFACE_MODE_RMII = 6, PHY_INTERFACE_MODE_RGMII = 7, PHY_INTERFACE_MODE_RGMII_ID = 8, PHY_INTERFACE_MODE_RGMII_RXID = 9, PHY_INTERFACE_MODE_RGMII_TXID = 10, PHY_INTERFACE_MODE_RTBI = 11, PHY_INTERFACE_MODE_SMII = 12, PHY_INTERFACE_MODE_XGMII = 13, PHY_INTERFACE_MODE_MOCA = 14, PHY_INTERFACE_MODE_QSGMII = 15, PHY_INTERFACE_MODE_MAX = 16 } ; typedef enum ldv_27716 phy_interface_t; enum ldv_27770 { MDIOBUS_ALLOCATED = 1, MDIOBUS_REGISTERED = 2, MDIOBUS_UNREGISTERED = 3, MDIOBUS_RELEASED = 4 } ; struct phy_device; struct mii_bus { char const *name ; char id[17U] ; void *priv ; int (*read)(struct mii_bus * , int , int ) ; int (*write)(struct mii_bus * , int , int , u16 ) ; int (*reset)(struct mii_bus * ) ; struct mutex mdio_lock ; struct device *parent ; enum ldv_27770 state ; struct device dev ; struct phy_device *phy_map[32U] ; u32 phy_mask ; u32 phy_ignore_ta_mask ; int *irq ; }; enum phy_state { PHY_DOWN = 0, PHY_STARTING = 1, PHY_READY = 2, PHY_PENDING = 3, PHY_UP = 4, PHY_AN = 5, PHY_RUNNING = 6, PHY_NOLINK = 7, PHY_FORCING = 8, PHY_CHANGELINK = 9, PHY_HALTED = 10, PHY_RESUMING = 11 } ; struct phy_c45_device_ids { u32 devices_in_package ; u32 device_ids[8U] ; }; struct phy_driver; struct phy_device { struct phy_driver *drv ; struct mii_bus *bus ; struct device dev ; u32 phy_id ; struct phy_c45_device_ids c45_ids ; bool is_c45 ; bool is_internal ; bool has_fixups ; bool suspended ; enum phy_state state ; u32 dev_flags ; phy_interface_t interface ; int addr ; int speed ; int duplex ; int pause ; int asym_pause ; int link ; u32 interrupts ; u32 supported ; u32 advertising ; u32 lp_advertising ; int autoneg ; int link_timeout ; int irq ; void *priv ; struct work_struct phy_queue ; struct delayed_work state_queue ; atomic_t irq_disable ; struct mutex lock ; struct net_device *attached_dev ; void (*adjust_link)(struct net_device * ) ; }; struct phy_driver { u32 phy_id ; char *name ; unsigned int phy_id_mask ; u32 features ; u32 flags ; void const *driver_data ; int (*soft_reset)(struct phy_device * ) ; int (*config_init)(struct phy_device * ) ; int (*probe)(struct phy_device * ) ; int (*suspend)(struct phy_device * ) ; int (*resume)(struct phy_device * ) ; int (*config_aneg)(struct phy_device * ) ; int (*aneg_done)(struct phy_device * ) ; int (*read_status)(struct phy_device * ) ; int (*ack_interrupt)(struct phy_device * ) ; int (*config_intr)(struct phy_device * ) ; int (*did_interrupt)(struct phy_device * ) ; void (*remove)(struct phy_device * ) ; int (*match_phy_device)(struct phy_device * ) ; int (*ts_info)(struct phy_device * , struct ethtool_ts_info * ) ; int (*hwtstamp)(struct phy_device * , struct ifreq * ) ; bool (*rxtstamp)(struct phy_device * , struct sk_buff * , int ) ; void (*txtstamp)(struct phy_device * , struct sk_buff * , int ) ; int (*set_wol)(struct phy_device * , struct ethtool_wolinfo * ) ; void (*get_wol)(struct phy_device * , struct ethtool_wolinfo * ) ; void (*link_change_notify)(struct phy_device * ) ; int (*read_mmd_indirect)(struct phy_device * , int , int , int ) ; void (*write_mmd_indirect)(struct phy_device * , int , int , int , u32 ) ; int (*module_info)(struct phy_device * , struct ethtool_modinfo * ) ; int (*module_eeprom)(struct phy_device * , struct ethtool_eeprom * , u8 * ) ; struct device_driver driver ; }; struct fixed_phy_status { int link ; int speed ; int duplex ; int pause ; int asym_pause ; }; enum dsa_tag_protocol { DSA_TAG_PROTO_NONE = 0, DSA_TAG_PROTO_DSA = 1, DSA_TAG_PROTO_TRAILER = 2, DSA_TAG_PROTO_EDSA = 3, DSA_TAG_PROTO_BRCM = 4 } ; struct dsa_chip_data { struct device *host_dev ; int sw_addr ; int eeprom_len ; struct device_node *of_node ; char *port_names[12U] ; struct device_node *port_dn[12U] ; s8 *rtable ; }; struct dsa_platform_data { struct device *netdev ; struct net_device *of_netdev ; int nr_chips ; struct dsa_chip_data *chip ; }; struct packet_type; struct dsa_switch; struct dsa_switch_tree { struct dsa_platform_data *pd ; struct net_device *master_netdev ; int (*rcv)(struct sk_buff * , struct net_device * , struct packet_type * , struct net_device * ) ; enum dsa_tag_protocol tag_protocol ; s8 cpu_switch ; s8 cpu_port ; int link_poll_needed ; struct work_struct link_poll_work ; struct timer_list link_poll_timer ; struct dsa_switch *ds[4U] ; }; struct dsa_switch_driver; struct dsa_switch { struct dsa_switch_tree *dst ; int index ; enum dsa_tag_protocol tag_protocol ; struct dsa_chip_data *pd ; struct dsa_switch_driver *drv ; struct device *master_dev ; char hwmon_name[24U] ; struct device *hwmon_dev ; u32 dsa_port_mask ; u32 phys_port_mask ; u32 phys_mii_mask ; struct mii_bus *slave_mii_bus ; struct net_device *ports[12U] ; }; struct dsa_switch_driver { struct list_head list ; enum dsa_tag_protocol tag_protocol ; int priv_size ; char *(*probe)(struct device * , int ) ; int (*setup)(struct dsa_switch * ) ; int (*set_addr)(struct dsa_switch * , u8 * ) ; u32 (*get_phy_flags)(struct dsa_switch * , int ) ; int (*phy_read)(struct dsa_switch * , int , int ) ; int (*phy_write)(struct dsa_switch * , int , int , u16 ) ; void (*poll_link)(struct dsa_switch * ) ; void (*adjust_link)(struct dsa_switch * , int , struct phy_device * ) ; void (*fixed_link_update)(struct dsa_switch * , int , struct fixed_phy_status * ) ; void (*get_strings)(struct dsa_switch * , int , uint8_t * ) ; void (*get_ethtool_stats)(struct dsa_switch * , int , uint64_t * ) ; int (*get_sset_count)(struct dsa_switch * ) ; void (*get_wol)(struct dsa_switch * , int , struct ethtool_wolinfo * ) ; int (*set_wol)(struct dsa_switch * , int , struct ethtool_wolinfo * ) ; int (*suspend)(struct dsa_switch * ) ; int (*resume)(struct dsa_switch * ) ; int (*port_enable)(struct dsa_switch * , int , struct phy_device * ) ; void (*port_disable)(struct dsa_switch * , int , struct phy_device * ) ; int (*set_eee)(struct dsa_switch * , int , struct phy_device * , struct ethtool_eee * ) ; int (*get_eee)(struct dsa_switch * , int , struct ethtool_eee * ) ; int (*get_temp)(struct dsa_switch * , int * ) ; int (*get_temp_limit)(struct dsa_switch * , int * ) ; int (*set_temp_limit)(struct dsa_switch * , int ) ; int (*get_temp_alarm)(struct dsa_switch * , bool * ) ; int (*get_eeprom_len)(struct dsa_switch * ) ; int (*get_eeprom)(struct dsa_switch * , struct ethtool_eeprom * , u8 * ) ; int (*set_eeprom)(struct dsa_switch * , struct ethtool_eeprom * , u8 * ) ; int (*get_regs_len)(struct dsa_switch * , int ) ; void (*get_regs)(struct dsa_switch * , int , struct ethtool_regs * , void * ) ; int (*port_join_bridge)(struct dsa_switch * , int , u32 ) ; int (*port_leave_bridge)(struct dsa_switch * , int , u32 ) ; int (*port_stp_update)(struct dsa_switch * , int , u8 ) ; int (*fdb_add)(struct dsa_switch * , int , unsigned char const * , u16 ) ; int (*fdb_del)(struct dsa_switch * , int , unsigned char const * , u16 ) ; int (*fdb_getnext)(struct dsa_switch * , int , unsigned char * , bool * ) ; }; struct ieee_ets { __u8 willing ; __u8 ets_cap ; __u8 cbs ; __u8 tc_tx_bw[8U] ; __u8 tc_rx_bw[8U] ; __u8 tc_tsa[8U] ; __u8 prio_tc[8U] ; __u8 tc_reco_bw[8U] ; __u8 tc_reco_tsa[8U] ; __u8 reco_prio_tc[8U] ; }; struct ieee_maxrate { __u64 tc_maxrate[8U] ; }; struct ieee_qcn { __u8 rpg_enable[8U] ; __u32 rppp_max_rps[8U] ; __u32 rpg_time_reset[8U] ; __u32 rpg_byte_reset[8U] ; __u32 rpg_threshold[8U] ; __u32 rpg_max_rate[8U] ; __u32 rpg_ai_rate[8U] ; __u32 rpg_hai_rate[8U] ; __u32 rpg_gd[8U] ; __u32 rpg_min_dec_fac[8U] ; __u32 rpg_min_rate[8U] ; __u32 cndd_state_machine[8U] ; }; struct ieee_qcn_stats { __u64 rppp_rp_centiseconds[8U] ; __u32 rppp_created_rps[8U] ; }; struct ieee_pfc { __u8 pfc_cap ; __u8 pfc_en ; __u8 mbc ; __u16 delay ; __u64 requests[8U] ; __u64 indications[8U] ; }; struct cee_pg { __u8 willing ; __u8 error ; __u8 pg_en ; __u8 tcs_supported ; __u8 pg_bw[8U] ; __u8 prio_pg[8U] ; }; struct cee_pfc { __u8 willing ; __u8 error ; __u8 pfc_en ; __u8 tcs_supported ; }; struct dcb_app { __u8 selector ; __u8 priority ; __u16 protocol ; }; struct dcb_peer_app_info { __u8 willing ; __u8 error ; }; struct dcbnl_rtnl_ops { int (*ieee_getets)(struct net_device * , struct ieee_ets * ) ; int (*ieee_setets)(struct net_device * , struct ieee_ets * ) ; int (*ieee_getmaxrate)(struct net_device * , struct ieee_maxrate * ) ; int (*ieee_setmaxrate)(struct net_device * , struct ieee_maxrate * ) ; int (*ieee_getqcn)(struct net_device * , struct ieee_qcn * ) ; int (*ieee_setqcn)(struct net_device * , struct ieee_qcn * ) ; int (*ieee_getqcnstats)(struct net_device * , struct ieee_qcn_stats * ) ; int (*ieee_getpfc)(struct net_device * , struct ieee_pfc * ) ; int (*ieee_setpfc)(struct net_device * , struct ieee_pfc * ) ; int (*ieee_getapp)(struct net_device * , struct dcb_app * ) ; int (*ieee_setapp)(struct net_device * , struct dcb_app * ) ; int (*ieee_delapp)(struct net_device * , struct dcb_app * ) ; int (*ieee_peer_getets)(struct net_device * , struct ieee_ets * ) ; int (*ieee_peer_getpfc)(struct net_device * , struct ieee_pfc * ) ; u8 (*getstate)(struct net_device * ) ; u8 (*setstate)(struct net_device * , u8 ) ; void (*getpermhwaddr)(struct net_device * , u8 * ) ; void (*setpgtccfgtx)(struct net_device * , int , u8 , u8 , u8 , u8 ) ; void (*setpgbwgcfgtx)(struct net_device * , int , u8 ) ; void (*setpgtccfgrx)(struct net_device * , int , u8 , u8 , u8 , u8 ) ; void (*setpgbwgcfgrx)(struct net_device * , int , u8 ) ; void (*getpgtccfgtx)(struct net_device * , int , u8 * , u8 * , u8 * , u8 * ) ; void (*getpgbwgcfgtx)(struct net_device * , int , u8 * ) ; void (*getpgtccfgrx)(struct net_device * , int , u8 * , u8 * , u8 * , u8 * ) ; void (*getpgbwgcfgrx)(struct net_device * , int , u8 * ) ; void (*setpfccfg)(struct net_device * , int , u8 ) ; void (*getpfccfg)(struct net_device * , int , u8 * ) ; u8 (*setall)(struct net_device * ) ; u8 (*getcap)(struct net_device * , int , u8 * ) ; int (*getnumtcs)(struct net_device * , int , u8 * ) ; int (*setnumtcs)(struct net_device * , int , u8 ) ; u8 (*getpfcstate)(struct net_device * ) ; void (*setpfcstate)(struct net_device * , u8 ) ; void (*getbcncfg)(struct net_device * , int , u32 * ) ; void (*setbcncfg)(struct net_device * , int , u32 ) ; void (*getbcnrp)(struct net_device * , int , u8 * ) ; void (*setbcnrp)(struct net_device * , int , u8 ) ; int (*setapp)(struct net_device * , u8 , u16 , u8 ) ; int (*getapp)(struct net_device * , u8 , u16 ) ; u8 (*getfeatcfg)(struct net_device * , int , u8 * ) ; u8 (*setfeatcfg)(struct net_device * , int , u8 ) ; u8 (*getdcbx)(struct net_device * ) ; u8 (*setdcbx)(struct net_device * , u8 ) ; int (*peer_getappinfo)(struct net_device * , struct dcb_peer_app_info * , u16 * ) ; int (*peer_getapptable)(struct net_device * , struct dcb_app * ) ; int (*cee_peer_getpg)(struct net_device * , struct cee_pg * ) ; int (*cee_peer_getpfc)(struct net_device * , struct cee_pfc * ) ; }; struct taskstats { __u16 version ; __u32 ac_exitcode ; __u8 ac_flag ; __u8 ac_nice ; __u64 cpu_count ; __u64 cpu_delay_total ; __u64 blkio_count ; __u64 blkio_delay_total ; __u64 swapin_count ; __u64 swapin_delay_total ; __u64 cpu_run_real_total ; __u64 cpu_run_virtual_total ; char ac_comm[32U] ; __u8 ac_sched ; __u8 ac_pad[3U] ; __u32 ac_uid ; __u32 ac_gid ; __u32 ac_pid ; __u32 ac_ppid ; __u32 ac_btime ; __u64 ac_etime ; __u64 ac_utime ; __u64 ac_stime ; __u64 ac_minflt ; __u64 ac_majflt ; __u64 coremem ; __u64 virtmem ; __u64 hiwater_rss ; __u64 hiwater_vm ; __u64 read_char ; __u64 write_char ; __u64 read_syscalls ; __u64 write_syscalls ; __u64 read_bytes ; __u64 write_bytes ; __u64 cancelled_write_bytes ; __u64 nvcsw ; __u64 nivcsw ; __u64 ac_utimescaled ; __u64 ac_stimescaled ; __u64 cpu_scaled_run_real_total ; __u64 freepages_count ; __u64 freepages_delay_total ; }; struct netprio_map { struct callback_head rcu ; u32 priomap_len ; u32 priomap[] ; }; struct xfrm_policy; struct xfrm_state; struct request_sock; struct mnt_namespace; struct ipc_namespace; struct nsproxy { atomic_t count ; struct uts_namespace *uts_ns ; struct ipc_namespace *ipc_ns ; struct mnt_namespace *mnt_ns ; struct pid_namespace *pid_ns_for_children ; struct net *net_ns ; }; struct nlmsghdr { __u32 nlmsg_len ; __u16 nlmsg_type ; __u16 nlmsg_flags ; __u32 nlmsg_seq ; __u32 nlmsg_pid ; }; struct nlattr { __u16 nla_len ; __u16 nla_type ; }; struct netlink_callback { struct sk_buff *skb ; struct nlmsghdr const *nlh ; int (*dump)(struct sk_buff * , struct netlink_callback * ) ; int (*done)(struct netlink_callback * ) ; void *data ; struct module *module ; u16 family ; u16 min_dump_alloc ; unsigned int prev_seq ; unsigned int seq ; long args[6U] ; }; struct ndmsg { __u8 ndm_family ; __u8 ndm_pad1 ; __u16 ndm_pad2 ; __s32 ndm_ifindex ; __u16 ndm_state ; __u8 ndm_flags ; __u8 ndm_type ; }; struct rtnl_link_stats64 { __u64 rx_packets ; __u64 tx_packets ; __u64 rx_bytes ; __u64 tx_bytes ; __u64 rx_errors ; __u64 tx_errors ; __u64 rx_dropped ; __u64 tx_dropped ; __u64 multicast ; __u64 collisions ; __u64 rx_length_errors ; __u64 rx_over_errors ; __u64 rx_crc_errors ; __u64 rx_frame_errors ; __u64 rx_fifo_errors ; __u64 rx_missed_errors ; __u64 tx_aborted_errors ; __u64 tx_carrier_errors ; __u64 tx_fifo_errors ; __u64 tx_heartbeat_errors ; __u64 tx_window_errors ; __u64 rx_compressed ; __u64 tx_compressed ; }; struct ifla_vf_stats { __u64 rx_packets ; __u64 tx_packets ; __u64 rx_bytes ; __u64 tx_bytes ; __u64 broadcast ; __u64 multicast ; }; struct ifla_vf_info { __u32 vf ; __u8 mac[32U] ; __u32 vlan ; __u32 qos ; __u32 spoofchk ; __u32 linkstate ; __u32 min_tx_rate ; __u32 max_tx_rate ; __u32 rss_query_en ; }; struct netpoll_info; struct wireless_dev; struct wpan_dev; struct mpls_dev; enum netdev_tx { __NETDEV_TX_MIN = (-0x7FFFFFFF-1), NETDEV_TX_OK = 0, NETDEV_TX_BUSY = 16, NETDEV_TX_LOCKED = 32 } ; typedef enum netdev_tx netdev_tx_t; struct net_device_stats { unsigned long rx_packets ; unsigned long tx_packets ; unsigned long rx_bytes ; unsigned long tx_bytes ; unsigned long rx_errors ; unsigned long tx_errors ; unsigned long rx_dropped ; unsigned long tx_dropped ; unsigned long multicast ; unsigned long collisions ; unsigned long rx_length_errors ; unsigned long rx_over_errors ; unsigned long rx_crc_errors ; unsigned long rx_frame_errors ; unsigned long rx_fifo_errors ; unsigned long rx_missed_errors ; unsigned long tx_aborted_errors ; unsigned long tx_carrier_errors ; unsigned long tx_fifo_errors ; unsigned long tx_heartbeat_errors ; unsigned long tx_window_errors ; unsigned long rx_compressed ; unsigned long tx_compressed ; }; struct neigh_parms; struct netdev_hw_addr_list { struct list_head list ; int count ; }; struct hh_cache { u16 hh_len ; u16 __pad ; seqlock_t hh_lock ; unsigned long hh_data[16U] ; }; struct header_ops { int (*create)(struct sk_buff * , struct net_device * , unsigned short , void const * , void const * , unsigned int ) ; int (*parse)(struct sk_buff const * , unsigned char * ) ; int (*cache)(struct neighbour const * , struct hh_cache * , __be16 ) ; void (*cache_update)(struct hh_cache * , struct net_device const * , unsigned char const * ) ; }; struct napi_struct { struct list_head poll_list ; unsigned long state ; int weight ; unsigned int gro_count ; int (*poll)(struct napi_struct * , int ) ; spinlock_t poll_lock ; int poll_owner ; struct net_device *dev ; struct sk_buff *gro_list ; struct sk_buff *skb ; struct hrtimer timer ; struct list_head dev_list ; struct hlist_node napi_hash_node ; unsigned int napi_id ; }; enum rx_handler_result { RX_HANDLER_CONSUMED = 0, RX_HANDLER_ANOTHER = 1, RX_HANDLER_EXACT = 2, RX_HANDLER_PASS = 3 } ; typedef enum rx_handler_result rx_handler_result_t; typedef rx_handler_result_t rx_handler_func_t(struct sk_buff ** ); struct Qdisc; struct netdev_queue { struct net_device *dev ; struct Qdisc *qdisc ; struct Qdisc *qdisc_sleeping ; struct kobject kobj ; int numa_node ; spinlock_t _xmit_lock ; int xmit_lock_owner ; unsigned long trans_start ; unsigned long trans_timeout ; unsigned long state ; struct dql dql ; unsigned long tx_maxrate ; }; struct rps_map { unsigned int len ; struct callback_head rcu ; u16 cpus[0U] ; }; struct rps_dev_flow { u16 cpu ; u16 filter ; unsigned int last_qtail ; }; struct rps_dev_flow_table { unsigned int mask ; struct callback_head rcu ; struct rps_dev_flow flows[0U] ; }; struct netdev_rx_queue { struct rps_map *rps_map ; struct rps_dev_flow_table *rps_flow_table ; struct kobject kobj ; struct net_device *dev ; }; struct xps_map { unsigned int len ; unsigned int alloc_len ; struct callback_head rcu ; u16 queues[0U] ; }; struct xps_dev_maps { struct callback_head rcu ; struct xps_map *cpu_map[0U] ; }; struct netdev_tc_txq { u16 count ; u16 offset ; }; struct netdev_fcoe_hbainfo { char manufacturer[64U] ; char serial_number[64U] ; char hardware_version[64U] ; char driver_version[64U] ; char optionrom_version[64U] ; char firmware_version[64U] ; char model[256U] ; char model_description[256U] ; }; struct netdev_phys_item_id { unsigned char id[32U] ; unsigned char id_len ; }; struct net_device_ops { int (*ndo_init)(struct net_device * ) ; void (*ndo_uninit)(struct net_device * ) ; int (*ndo_open)(struct net_device * ) ; int (*ndo_stop)(struct net_device * ) ; netdev_tx_t (*ndo_start_xmit)(struct sk_buff * , struct net_device * ) ; u16 (*ndo_select_queue)(struct net_device * , struct sk_buff * , void * , u16 (*)(struct net_device * , struct sk_buff * ) ) ; void (*ndo_change_rx_flags)(struct net_device * , int ) ; void (*ndo_set_rx_mode)(struct net_device * ) ; int (*ndo_set_mac_address)(struct net_device * , void * ) ; int (*ndo_validate_addr)(struct net_device * ) ; int (*ndo_do_ioctl)(struct net_device * , struct ifreq * , int ) ; int (*ndo_set_config)(struct net_device * , struct ifmap * ) ; int (*ndo_change_mtu)(struct net_device * , int ) ; int (*ndo_neigh_setup)(struct net_device * , struct neigh_parms * ) ; void (*ndo_tx_timeout)(struct net_device * ) ; struct rtnl_link_stats64 *(*ndo_get_stats64)(struct net_device * , struct rtnl_link_stats64 * ) ; struct net_device_stats *(*ndo_get_stats)(struct net_device * ) ; int (*ndo_vlan_rx_add_vid)(struct net_device * , __be16 , u16 ) ; int (*ndo_vlan_rx_kill_vid)(struct net_device * , __be16 , u16 ) ; void (*ndo_poll_controller)(struct net_device * ) ; int (*ndo_netpoll_setup)(struct net_device * , struct netpoll_info * ) ; void (*ndo_netpoll_cleanup)(struct net_device * ) ; int (*ndo_busy_poll)(struct napi_struct * ) ; int (*ndo_set_vf_mac)(struct net_device * , int , u8 * ) ; int (*ndo_set_vf_vlan)(struct net_device * , int , u16 , u8 ) ; int (*ndo_set_vf_rate)(struct net_device * , int , int , int ) ; int (*ndo_set_vf_spoofchk)(struct net_device * , int , bool ) ; int (*ndo_get_vf_config)(struct net_device * , int , struct ifla_vf_info * ) ; int (*ndo_set_vf_link_state)(struct net_device * , int , int ) ; int (*ndo_get_vf_stats)(struct net_device * , int , struct ifla_vf_stats * ) ; int (*ndo_set_vf_port)(struct net_device * , int , struct nlattr ** ) ; int (*ndo_get_vf_port)(struct net_device * , int , struct sk_buff * ) ; int (*ndo_set_vf_rss_query_en)(struct net_device * , int , bool ) ; int (*ndo_setup_tc)(struct net_device * , u8 ) ; int (*ndo_fcoe_enable)(struct net_device * ) ; int (*ndo_fcoe_disable)(struct net_device * ) ; int (*ndo_fcoe_ddp_setup)(struct net_device * , u16 , struct scatterlist * , unsigned int ) ; int (*ndo_fcoe_ddp_done)(struct net_device * , u16 ) ; int (*ndo_fcoe_ddp_target)(struct net_device * , u16 , struct scatterlist * , unsigned int ) ; int (*ndo_fcoe_get_hbainfo)(struct net_device * , struct netdev_fcoe_hbainfo * ) ; int (*ndo_fcoe_get_wwn)(struct net_device * , u64 * , int ) ; int (*ndo_rx_flow_steer)(struct net_device * , struct sk_buff const * , u16 , u32 ) ; int (*ndo_add_slave)(struct net_device * , struct net_device * ) ; int (*ndo_del_slave)(struct net_device * , struct net_device * ) ; netdev_features_t (*ndo_fix_features)(struct net_device * , netdev_features_t ) ; int (*ndo_set_features)(struct net_device * , netdev_features_t ) ; int (*ndo_neigh_construct)(struct neighbour * ) ; void (*ndo_neigh_destroy)(struct neighbour * ) ; int (*ndo_fdb_add)(struct ndmsg * , struct nlattr ** , struct net_device * , unsigned char const * , u16 , u16 ) ; int (*ndo_fdb_del)(struct ndmsg * , struct nlattr ** , struct net_device * , unsigned char const * , u16 ) ; int (*ndo_fdb_dump)(struct sk_buff * , struct netlink_callback * , struct net_device * , struct net_device * , int ) ; int (*ndo_bridge_setlink)(struct net_device * , struct nlmsghdr * , u16 ) ; int (*ndo_bridge_getlink)(struct sk_buff * , u32 , u32 , struct net_device * , u32 , int ) ; int (*ndo_bridge_dellink)(struct net_device * , struct nlmsghdr * , u16 ) ; int (*ndo_change_carrier)(struct net_device * , bool ) ; int (*ndo_get_phys_port_id)(struct net_device * , struct netdev_phys_item_id * ) ; int (*ndo_get_phys_port_name)(struct net_device * , char * , size_t ) ; void (*ndo_add_vxlan_port)(struct net_device * , sa_family_t , __be16 ) ; void (*ndo_del_vxlan_port)(struct net_device * , sa_family_t , __be16 ) ; void *(*ndo_dfwd_add_station)(struct net_device * , struct net_device * ) ; void (*ndo_dfwd_del_station)(struct net_device * , void * ) ; netdev_tx_t (*ndo_dfwd_start_xmit)(struct sk_buff * , struct net_device * , void * ) ; int (*ndo_get_lock_subclass)(struct net_device * ) ; netdev_features_t (*ndo_features_check)(struct sk_buff * , struct net_device * , netdev_features_t ) ; int (*ndo_set_tx_maxrate)(struct net_device * , int , u32 ) ; int (*ndo_get_iflink)(struct net_device const * ) ; }; struct __anonstruct_adj_list_315 { struct list_head upper ; struct list_head lower ; }; struct __anonstruct_all_adj_list_316 { struct list_head upper ; struct list_head lower ; }; struct iw_handler_def; struct iw_public_data; struct switchdev_ops; struct vlan_info; struct tipc_bearer; struct in_device; struct dn_dev; struct inet6_dev; struct tcf_proto; struct cpu_rmap; struct pcpu_lstats; struct pcpu_sw_netstats; struct pcpu_dstats; struct pcpu_vstats; union __anonunion____missing_field_name_317 { void *ml_priv ; struct pcpu_lstats *lstats ; struct pcpu_sw_netstats *tstats ; struct pcpu_dstats *dstats ; struct pcpu_vstats *vstats ; }; struct garp_port; struct mrp_port; struct rtnl_link_ops; struct net_device { char name[16U] ; struct hlist_node name_hlist ; char *ifalias ; unsigned long mem_end ; unsigned long mem_start ; unsigned long base_addr ; int irq ; atomic_t carrier_changes ; unsigned long state ; struct list_head dev_list ; struct list_head napi_list ; struct list_head unreg_list ; struct list_head close_list ; struct list_head ptype_all ; struct list_head ptype_specific ; struct __anonstruct_adj_list_315 adj_list ; struct __anonstruct_all_adj_list_316 all_adj_list ; netdev_features_t features ; netdev_features_t hw_features ; netdev_features_t wanted_features ; netdev_features_t vlan_features ; netdev_features_t hw_enc_features ; netdev_features_t mpls_features ; int ifindex ; int group ; struct net_device_stats stats ; atomic_long_t rx_dropped ; atomic_long_t tx_dropped ; struct iw_handler_def const *wireless_handlers ; struct iw_public_data *wireless_data ; struct net_device_ops const *netdev_ops ; struct ethtool_ops const *ethtool_ops ; struct switchdev_ops const *switchdev_ops ; struct header_ops const *header_ops ; unsigned int flags ; unsigned int priv_flags ; unsigned short gflags ; unsigned short padded ; unsigned char operstate ; unsigned char link_mode ; unsigned char if_port ; unsigned char dma ; unsigned int mtu ; unsigned short type ; unsigned short hard_header_len ; unsigned short needed_headroom ; unsigned short needed_tailroom ; unsigned char perm_addr[32U] ; unsigned char addr_assign_type ; unsigned char addr_len ; unsigned short neigh_priv_len ; unsigned short dev_id ; unsigned short dev_port ; spinlock_t addr_list_lock ; unsigned char name_assign_type ; bool uc_promisc ; struct netdev_hw_addr_list uc ; struct netdev_hw_addr_list mc ; struct netdev_hw_addr_list dev_addrs ; struct kset *queues_kset ; unsigned int promiscuity ; unsigned int allmulti ; struct vlan_info *vlan_info ; struct dsa_switch_tree *dsa_ptr ; struct tipc_bearer *tipc_ptr ; void *atalk_ptr ; struct in_device *ip_ptr ; struct dn_dev *dn_ptr ; struct inet6_dev *ip6_ptr ; void *ax25_ptr ; struct wireless_dev *ieee80211_ptr ; struct wpan_dev *ieee802154_ptr ; struct mpls_dev *mpls_ptr ; unsigned long last_rx ; unsigned char *dev_addr ; struct netdev_rx_queue *_rx ; unsigned int num_rx_queues ; unsigned int real_num_rx_queues ; unsigned long gro_flush_timeout ; rx_handler_func_t *rx_handler ; void *rx_handler_data ; struct tcf_proto *ingress_cl_list ; struct netdev_queue *ingress_queue ; struct list_head nf_hooks_ingress ; unsigned char broadcast[32U] ; struct cpu_rmap *rx_cpu_rmap ; struct hlist_node index_hlist ; struct netdev_queue *_tx ; unsigned int num_tx_queues ; unsigned int real_num_tx_queues ; struct Qdisc *qdisc ; unsigned long tx_queue_len ; spinlock_t tx_global_lock ; int watchdog_timeo ; struct xps_dev_maps *xps_maps ; unsigned long trans_start ; struct timer_list watchdog_timer ; int *pcpu_refcnt ; struct list_head todo_list ; struct list_head link_watch_list ; unsigned char reg_state ; bool dismantle ; unsigned short rtnl_link_state ; void (*destructor)(struct net_device * ) ; struct netpoll_info *npinfo ; possible_net_t nd_net ; union __anonunion____missing_field_name_317 __annonCompField94 ; struct garp_port *garp_port ; struct mrp_port *mrp_port ; struct device dev ; struct attribute_group const *sysfs_groups[4U] ; struct attribute_group const *sysfs_rx_queue_group ; struct rtnl_link_ops const *rtnl_link_ops ; unsigned int gso_max_size ; u16 gso_max_segs ; u16 gso_min_segs ; struct dcbnl_rtnl_ops const *dcbnl_ops ; u8 num_tc ; struct netdev_tc_txq tc_to_txq[16U] ; u8 prio_tc_map[16U] ; unsigned int fcoe_ddp_xid ; struct netprio_map *priomap ; struct phy_device *phydev ; struct lock_class_key *qdisc_tx_busylock ; }; struct packet_type { __be16 type ; struct net_device *dev ; int (*func)(struct sk_buff * , struct net_device * , struct packet_type * , struct net_device * ) ; bool (*id_match)(struct packet_type * , struct sock * ) ; void *af_packet_priv ; struct list_head list ; }; struct pcpu_sw_netstats { u64 rx_packets ; u64 rx_bytes ; u64 tx_packets ; u64 tx_bytes ; struct u64_stats_sync syncp ; }; typedef unsigned int RING_IDX; typedef uint32_t grant_ref_t; typedef uint32_t grant_handle_t; struct gnttab_map_grant_ref { uint64_t host_addr ; uint32_t flags ; grant_ref_t ref ; domid_t dom ; int16_t status ; grant_handle_t handle ; uint64_t dev_bus_addr ; }; struct gnttab_unmap_grant_ref { uint64_t host_addr ; uint64_t dev_bus_addr ; grant_handle_t handle ; int16_t status ; }; union __anonunion_u_330 { grant_ref_t ref ; xen_pfn_t gmfn ; }; struct __anonstruct_source_329 { union __anonunion_u_330 u ; domid_t domid ; uint16_t offset ; }; union __anonunion_u_332 { grant_ref_t ref ; xen_pfn_t gmfn ; }; struct __anonstruct_dest_331 { union __anonunion_u_332 u ; domid_t domid ; uint16_t offset ; }; struct gnttab_copy { struct __anonstruct_source_329 source ; struct __anonstruct_dest_331 dest ; uint16_t len ; uint16_t flags ; int16_t status ; }; struct xen_netif_tx_request { grant_ref_t gref ; uint16_t offset ; uint16_t flags ; uint16_t id ; uint16_t size ; }; struct __anonstruct_gso_335 { uint16_t size ; uint8_t type ; uint8_t pad ; uint16_t features ; }; union __anonunion_u_334 { struct __anonstruct_gso_335 gso ; uint16_t pad[3U] ; }; struct xen_netif_extra_info { uint8_t type ; uint8_t flags ; union __anonunion_u_334 u ; }; struct xen_netif_tx_response { uint16_t id ; int16_t status ; }; struct xen_netif_rx_request { uint16_t id ; grant_ref_t gref ; }; struct xen_netif_rx_response { uint16_t id ; uint16_t offset ; uint16_t flags ; int16_t status ; }; union xen_netif_tx_sring_entry { struct xen_netif_tx_request req ; struct xen_netif_tx_response rsp ; }; struct xen_netif_tx_sring { RING_IDX req_prod ; RING_IDX req_event ; RING_IDX rsp_prod ; RING_IDX rsp_event ; uint8_t pad[48U] ; union xen_netif_tx_sring_entry ring[1U] ; }; struct xen_netif_tx_back_ring { RING_IDX rsp_prod_pvt ; RING_IDX req_cons ; unsigned int nr_ents ; struct xen_netif_tx_sring *sring ; }; union xen_netif_rx_sring_entry { struct xen_netif_rx_request req ; struct xen_netif_rx_response rsp ; }; struct xen_netif_rx_sring { RING_IDX req_prod ; RING_IDX req_event ; RING_IDX rsp_prod ; RING_IDX rsp_event ; uint8_t pad[48U] ; union xen_netif_rx_sring_entry ring[1U] ; }; struct xen_netif_rx_back_ring { RING_IDX rsp_prod_pvt ; RING_IDX req_cons ; unsigned int nr_ents ; struct xen_netif_rx_sring *sring ; }; struct xen_page_foreign { domid_t domid ; grant_ref_t gref ; }; enum xenbus_state { XenbusStateUnknown = 0, XenbusStateInitialising = 1, XenbusStateInitWait = 2, XenbusStateInitialised = 3, XenbusStateConnected = 4, XenbusStateClosing = 5, XenbusStateClosed = 6, XenbusStateReconfiguring = 7, XenbusStateReconfigured = 8 } ; struct xenbus_watch { struct list_head list ; char const *node ; void (*callback)(struct xenbus_watch * , char const ** , unsigned int ) ; }; struct xenbus_device { char const *devicetype ; char const *nodename ; char const *otherend ; int otherend_id ; struct xenbus_watch otherend_watch ; struct device dev ; enum xenbus_state state ; struct completion down ; struct work_struct work ; }; typedef unsigned int pending_ring_idx_t; struct pending_tx_info { struct xen_netif_tx_request req ; struct ubuf_info callback_struct ; }; struct xenvif_rx_meta { int id ; int size ; int gso_type ; int gso_size ; }; struct xenvif; struct xenvif_stats { unsigned int rx_bytes ; unsigned int rx_packets ; unsigned int tx_bytes ; unsigned int tx_packets ; unsigned long rx_gso_checksum_fixup ; unsigned long tx_zerocopy_sent ; unsigned long tx_zerocopy_success ; unsigned long tx_zerocopy_fail ; unsigned long tx_frag_overflow ; }; struct xenvif_queue { unsigned int id ; char name[21U] ; struct xenvif *vif ; struct napi_struct napi ; unsigned int tx_irq ; char tx_irq_name[24U] ; struct xen_netif_tx_back_ring tx ; struct sk_buff_head tx_queue ; struct page *mmap_pages[256U] ; pending_ring_idx_t pending_prod ; pending_ring_idx_t pending_cons ; u16 pending_ring[256U] ; struct pending_tx_info pending_tx_info[256U] ; grant_handle_t grant_tx_handle[256U] ; struct gnttab_copy tx_copy_ops[256U] ; struct gnttab_map_grant_ref tx_map_ops[256U] ; struct gnttab_unmap_grant_ref tx_unmap_ops[256U] ; struct page *pages_to_map[256U] ; struct page *pages_to_unmap[256U] ; spinlock_t callback_lock ; spinlock_t response_lock ; pending_ring_idx_t dealloc_prod ; pending_ring_idx_t dealloc_cons ; u16 dealloc_ring[256U] ; struct task_struct *dealloc_task ; wait_queue_head_t dealloc_wq ; atomic_t inflight_packets ; struct task_struct *task ; wait_queue_head_t wq ; unsigned int rx_irq ; char rx_irq_name[24U] ; struct xen_netif_rx_back_ring rx ; struct sk_buff_head rx_queue ; unsigned int rx_queue_max ; unsigned int rx_queue_len ; unsigned long last_rx_time ; bool stalled ; struct gnttab_copy grant_copy_op[4352U] ; struct xenvif_rx_meta meta[256U] ; unsigned long credit_bytes ; unsigned long credit_usec ; unsigned long remaining_credit ; struct timer_list credit_timeout ; u64 credit_window_start ; struct xenvif_stats stats ; }; struct xenvif { domid_t domid ; unsigned int handle ; u8 fe_dev_addr[6U] ; int gso_mask ; int gso_prefix_mask ; unsigned char can_sg : 1 ; unsigned char ip_csum : 1 ; unsigned char ipv6_csum : 1 ; bool disabled ; unsigned long status ; unsigned long drain_timeout ; unsigned long stall_timeout ; struct xenvif_queue *queues ; unsigned int num_queues ; unsigned int stalled_queues ; struct xenbus_watch credit_watch ; spinlock_t lock ; struct dentry *xenvif_dbg_root ; struct net_device *dev ; }; struct xenvif_rx_cb { unsigned long expires ; int meta_slots_used ; }; struct page_counter { atomic_long_t count ; unsigned long limit ; struct page_counter *parent ; unsigned long watermark ; unsigned long failcnt ; }; struct sock_filter { __u16 code ; __u8 jt ; __u8 jf ; __u32 k ; }; struct bpf_insn { __u8 code ; unsigned char dst_reg : 4 ; unsigned char src_reg : 4 ; __s16 off ; __s32 imm ; }; enum bpf_prog_type { BPF_PROG_TYPE_UNSPEC = 0, BPF_PROG_TYPE_SOCKET_FILTER = 1, BPF_PROG_TYPE_KPROBE = 2, BPF_PROG_TYPE_SCHED_CLS = 3, BPF_PROG_TYPE_SCHED_ACT = 4 } ; struct bpf_prog_aux; struct sock_fprog_kern { u16 len ; struct sock_filter *filter ; }; union __anonunion____missing_field_name_346 { struct sock_filter insns[0U] ; struct bpf_insn insnsi[0U] ; }; struct bpf_prog { u16 pages ; bool jited ; bool gpl_compatible ; u32 len ; enum bpf_prog_type type ; struct bpf_prog_aux *aux ; struct sock_fprog_kern *orig_prog ; unsigned int (*bpf_func)(struct sk_buff const * , struct bpf_insn const * ) ; union __anonunion____missing_field_name_346 __annonCompField99 ; }; struct sk_filter { atomic_t refcnt ; struct callback_head rcu ; struct bpf_prog *prog ; }; struct pollfd { int fd ; short events ; short revents ; }; struct poll_table_struct { void (*_qproc)(struct file * , wait_queue_head_t * , struct poll_table_struct * ) ; unsigned long _key ; }; struct nla_policy { u16 type ; u16 len ; }; struct rtnl_link_ops { struct list_head list ; char const *kind ; size_t priv_size ; void (*setup)(struct net_device * ) ; int maxtype ; struct nla_policy const *policy ; int (*validate)(struct nlattr ** , struct nlattr ** ) ; int (*newlink)(struct net * , struct net_device * , struct nlattr ** , struct nlattr ** ) ; int (*changelink)(struct net_device * , struct nlattr ** , struct nlattr ** ) ; void (*dellink)(struct net_device * , struct list_head * ) ; size_t (*get_size)(struct net_device const * ) ; int (*fill_info)(struct sk_buff * , struct net_device const * ) ; size_t (*get_xstats_size)(struct net_device const * ) ; int (*fill_xstats)(struct sk_buff * , struct net_device const * ) ; unsigned int (*get_num_tx_queues)(void) ; unsigned int (*get_num_rx_queues)(void) ; int slave_maxtype ; struct nla_policy const *slave_policy ; int (*slave_validate)(struct nlattr ** , struct nlattr ** ) ; int (*slave_changelink)(struct net_device * , struct net_device * , struct nlattr ** , struct nlattr ** ) ; size_t (*get_slave_size)(struct net_device const * , struct net_device const * ) ; int (*fill_slave_info)(struct sk_buff * , struct net_device const * , struct net_device const * ) ; struct net *(*get_link_net)(struct net_device const * ) ; }; struct neigh_table; struct neigh_parms { possible_net_t net ; struct net_device *dev ; struct list_head list ; int (*neigh_setup)(struct neighbour * ) ; void (*neigh_cleanup)(struct neighbour * ) ; struct neigh_table *tbl ; void *sysctl_table ; int dead ; atomic_t refcnt ; struct callback_head callback_head ; int reachable_time ; int data[13U] ; unsigned long data_state[1U] ; }; struct neigh_statistics { unsigned long allocs ; unsigned long destroys ; unsigned long hash_grows ; unsigned long res_failed ; unsigned long lookups ; unsigned long hits ; unsigned long rcv_probes_mcast ; unsigned long rcv_probes_ucast ; unsigned long periodic_gc_runs ; unsigned long forced_gc_runs ; unsigned long unres_discards ; }; struct neigh_ops; struct neighbour { struct neighbour *next ; struct neigh_table *tbl ; struct neigh_parms *parms ; unsigned long confirmed ; unsigned long updated ; rwlock_t lock ; atomic_t refcnt ; struct sk_buff_head arp_queue ; unsigned int arp_queue_len_bytes ; struct timer_list timer ; unsigned long used ; atomic_t probes ; __u8 flags ; __u8 nud_state ; __u8 type ; __u8 dead ; seqlock_t ha_lock ; unsigned char ha[32U] ; struct hh_cache hh ; int (*output)(struct neighbour * , struct sk_buff * ) ; struct neigh_ops const *ops ; struct callback_head rcu ; struct net_device *dev ; u8 primary_key[0U] ; }; struct neigh_ops { int family ; void (*solicit)(struct neighbour * , struct sk_buff * ) ; void (*error_report)(struct neighbour * , struct sk_buff * ) ; int (*output)(struct neighbour * , struct sk_buff * ) ; int (*connected_output)(struct neighbour * , struct sk_buff * ) ; }; struct pneigh_entry { struct pneigh_entry *next ; possible_net_t net ; struct net_device *dev ; u8 flags ; u8 key[0U] ; }; struct neigh_hash_table { struct neighbour **hash_buckets ; unsigned int hash_shift ; __u32 hash_rnd[4U] ; struct callback_head rcu ; }; struct neigh_table { int family ; int entry_size ; int key_len ; __be16 protocol ; __u32 (*hash)(void const * , struct net_device const * , __u32 * ) ; bool (*key_eq)(struct neighbour const * , void const * ) ; int (*constructor)(struct neighbour * ) ; int (*pconstructor)(struct pneigh_entry * ) ; void (*pdestructor)(struct pneigh_entry * ) ; void (*proxy_redo)(struct sk_buff * ) ; char *id ; struct neigh_parms parms ; struct list_head parms_list ; int gc_interval ; int gc_thresh1 ; int gc_thresh2 ; int gc_thresh3 ; unsigned long last_flush ; struct delayed_work gc_work ; struct timer_list proxy_timer ; struct sk_buff_head proxy_queue ; atomic_t entries ; rwlock_t lock ; unsigned long last_rand ; struct neigh_statistics *stats ; struct neigh_hash_table *nht ; struct pneigh_entry **phash_buckets ; }; struct dn_route; union __anonunion____missing_field_name_354 { struct dst_entry *next ; struct rtable *rt_next ; struct rt6_info *rt6_next ; struct dn_route *dn_next ; }; struct dst_entry { struct callback_head callback_head ; struct dst_entry *child ; struct net_device *dev ; struct dst_ops *ops ; unsigned long _metrics ; unsigned long expires ; struct dst_entry *path ; struct dst_entry *from ; struct xfrm_state *xfrm ; int (*input)(struct sk_buff * ) ; int (*output)(struct sock * , struct sk_buff * ) ; unsigned short flags ; unsigned short pending_confirm ; short error ; short obsolete ; unsigned short header_len ; unsigned short trailer_len ; __u32 tclassid ; long __pad_to_align_refcnt[2U] ; atomic_t __refcnt ; int __use ; unsigned long lastuse ; union __anonunion____missing_field_name_354 __annonCompField100 ; }; struct __anonstruct_socket_lock_t_355 { spinlock_t slock ; int owned ; wait_queue_head_t wq ; struct lockdep_map dep_map ; }; typedef struct __anonstruct_socket_lock_t_355 socket_lock_t; struct proto; typedef __u32 __portpair; typedef __u64 __addrpair; struct __anonstruct____missing_field_name_357 { __be32 skc_daddr ; __be32 skc_rcv_saddr ; }; union __anonunion____missing_field_name_356 { __addrpair skc_addrpair ; struct __anonstruct____missing_field_name_357 __annonCompField101 ; }; union __anonunion____missing_field_name_358 { unsigned int skc_hash ; __u16 skc_u16hashes[2U] ; }; struct __anonstruct____missing_field_name_360 { __be16 skc_dport ; __u16 skc_num ; }; union __anonunion____missing_field_name_359 { __portpair skc_portpair ; struct __anonstruct____missing_field_name_360 __annonCompField104 ; }; union __anonunion____missing_field_name_361 { struct hlist_node skc_bind_node ; struct hlist_nulls_node skc_portaddr_node ; }; union __anonunion____missing_field_name_362 { struct hlist_node skc_node ; struct hlist_nulls_node skc_nulls_node ; }; struct sock_common { union __anonunion____missing_field_name_356 __annonCompField102 ; union __anonunion____missing_field_name_358 __annonCompField103 ; union __anonunion____missing_field_name_359 __annonCompField105 ; unsigned short skc_family ; unsigned char volatile skc_state ; unsigned char skc_reuse : 4 ; unsigned char skc_reuseport : 1 ; unsigned char skc_ipv6only : 1 ; unsigned char skc_net_refcnt : 1 ; int skc_bound_dev_if ; union __anonunion____missing_field_name_361 __annonCompField106 ; struct proto *skc_prot ; possible_net_t skc_net ; struct in6_addr skc_v6_daddr ; struct in6_addr skc_v6_rcv_saddr ; atomic64_t skc_cookie ; int skc_dontcopy_begin[0U] ; union __anonunion____missing_field_name_362 __annonCompField107 ; int skc_tx_queue_mapping ; atomic_t skc_refcnt ; int skc_dontcopy_end[0U] ; }; struct cg_proto; struct __anonstruct_sk_backlog_363 { atomic_t rmem_alloc ; int len ; struct sk_buff *head ; struct sk_buff *tail ; }; struct sock { struct sock_common __sk_common ; socket_lock_t sk_lock ; struct sk_buff_head sk_receive_queue ; struct __anonstruct_sk_backlog_363 sk_backlog ; int sk_forward_alloc ; __u32 sk_rxhash ; u16 sk_incoming_cpu ; __u32 sk_txhash ; unsigned int sk_napi_id ; unsigned int sk_ll_usec ; atomic_t sk_drops ; int sk_rcvbuf ; struct sk_filter *sk_filter ; struct socket_wq *sk_wq ; struct xfrm_policy *sk_policy[2U] ; unsigned long sk_flags ; struct dst_entry *sk_rx_dst ; struct dst_entry *sk_dst_cache ; spinlock_t sk_dst_lock ; atomic_t sk_wmem_alloc ; atomic_t sk_omem_alloc ; int sk_sndbuf ; struct sk_buff_head sk_write_queue ; unsigned char sk_shutdown : 2 ; unsigned char sk_no_check_tx : 1 ; unsigned char sk_no_check_rx : 1 ; unsigned char sk_userlocks : 4 ; unsigned char sk_protocol ; unsigned short sk_type ; int sk_wmem_queued ; gfp_t sk_allocation ; u32 sk_pacing_rate ; u32 sk_max_pacing_rate ; netdev_features_t sk_route_caps ; netdev_features_t sk_route_nocaps ; int sk_gso_type ; unsigned int sk_gso_max_size ; u16 sk_gso_max_segs ; int sk_rcvlowat ; unsigned long sk_lingertime ; struct sk_buff_head sk_error_queue ; struct proto *sk_prot_creator ; rwlock_t sk_callback_lock ; int sk_err ; int sk_err_soft ; u32 sk_ack_backlog ; u32 sk_max_ack_backlog ; __u32 sk_priority ; __u32 sk_cgrp_prioidx ; struct pid *sk_peer_pid ; struct cred const *sk_peer_cred ; long sk_rcvtimeo ; long sk_sndtimeo ; struct timer_list sk_timer ; ktime_t sk_stamp ; u16 sk_tsflags ; u32 sk_tskey ; struct socket *sk_socket ; void *sk_user_data ; struct page_frag sk_frag ; struct sk_buff *sk_send_head ; __s32 sk_peek_off ; int sk_write_pending ; void *sk_security ; __u32 sk_mark ; u32 sk_classid ; struct cg_proto *sk_cgrp ; void (*sk_state_change)(struct sock * ) ; void (*sk_data_ready)(struct sock * ) ; void (*sk_write_space)(struct sock * ) ; void (*sk_error_report)(struct sock * ) ; int (*sk_backlog_rcv)(struct sock * , struct sk_buff * ) ; void (*sk_destruct)(struct sock * ) ; }; struct request_sock_ops; struct timewait_sock_ops; struct inet_hashinfo; struct raw_hashinfo; struct udp_table; union __anonunion_h_366 { struct inet_hashinfo *hashinfo ; struct udp_table *udp_table ; struct raw_hashinfo *raw_hash ; }; struct proto { void (*close)(struct sock * , long ) ; int (*connect)(struct sock * , struct sockaddr * , int ) ; int (*disconnect)(struct sock * , int ) ; struct sock *(*accept)(struct sock * , int , int * ) ; int (*ioctl)(struct sock * , int , unsigned long ) ; int (*init)(struct sock * ) ; void (*destroy)(struct sock * ) ; void (*shutdown)(struct sock * , int ) ; int (*setsockopt)(struct sock * , int , int , char * , unsigned int ) ; int (*getsockopt)(struct sock * , int , int , char * , int * ) ; int (*compat_setsockopt)(struct sock * , int , int , char * , unsigned int ) ; int (*compat_getsockopt)(struct sock * , int , int , char * , int * ) ; int (*compat_ioctl)(struct sock * , unsigned int , unsigned long ) ; int (*sendmsg)(struct sock * , struct msghdr * , size_t ) ; int (*recvmsg)(struct sock * , struct msghdr * , size_t , int , int , int * ) ; int (*sendpage)(struct sock * , struct page * , int , size_t , int ) ; int (*bind)(struct sock * , struct sockaddr * , int ) ; int (*backlog_rcv)(struct sock * , struct sk_buff * ) ; void (*release_cb)(struct sock * ) ; void (*hash)(struct sock * ) ; void (*unhash)(struct sock * ) ; void (*rehash)(struct sock * ) ; int (*get_port)(struct sock * , unsigned short ) ; void (*clear_sk)(struct sock * , int ) ; unsigned int inuse_idx ; bool (*stream_memory_free)(struct sock const * ) ; void (*enter_memory_pressure)(struct sock * ) ; atomic_long_t *memory_allocated ; struct percpu_counter *sockets_allocated ; int *memory_pressure ; long *sysctl_mem ; int *sysctl_wmem ; int *sysctl_rmem ; int max_header ; bool no_autobind ; struct kmem_cache *slab ; unsigned int obj_size ; int slab_flags ; struct percpu_counter *orphan_count ; struct request_sock_ops *rsk_prot ; struct timewait_sock_ops *twsk_prot ; union __anonunion_h_366 h ; struct module *owner ; char name[32U] ; struct list_head node ; int (*init_cgroup)(struct mem_cgroup * , struct cgroup_subsys * ) ; void (*destroy_cgroup)(struct mem_cgroup * ) ; struct cg_proto *(*proto_cgroup)(struct mem_cgroup * ) ; }; struct cg_proto { struct page_counter memory_allocated ; struct percpu_counter sockets_allocated ; int memory_pressure ; long sysctl_mem[3U] ; unsigned long flags ; struct mem_cgroup *memcg ; }; struct request_sock_ops { int family ; int obj_size ; struct kmem_cache *slab ; char *slab_name ; int (*rtx_syn_ack)(struct sock * , struct request_sock * ) ; void (*send_ack)(struct sock * , struct sk_buff * , struct request_sock * ) ; void (*send_reset)(struct sock * , struct sk_buff * ) ; void (*destructor)(struct request_sock * ) ; void (*syn_ack_timeout)(struct request_sock const * ) ; }; struct request_sock { struct sock_common __req_common ; struct request_sock *dl_next ; struct sock *rsk_listener ; u16 mss ; u8 num_retrans ; unsigned char cookie_ts : 1 ; unsigned char num_timeout : 7 ; u32 window_clamp ; u32 rcv_wnd ; u32 ts_recent ; struct timer_list rsk_timer ; struct request_sock_ops const *rsk_ops ; struct sock *sk ; u32 *saved_syn ; u32 secid ; u32 peer_secid ; }; struct timewait_sock_ops { struct kmem_cache *twsk_slab ; char *twsk_slab_name ; unsigned int twsk_obj_size ; int (*twsk_unique)(struct sock * , struct sock * , void * ) ; void (*twsk_destructor)(struct sock * ) ; }; struct tcphdr { __be16 source ; __be16 dest ; __be32 seq ; __be32 ack_seq ; unsigned char res1 : 4 ; unsigned char doff : 4 ; unsigned char fin : 1 ; unsigned char syn : 1 ; unsigned char rst : 1 ; unsigned char psh : 1 ; unsigned char ack : 1 ; unsigned char urg : 1 ; unsigned char ece : 1 ; unsigned char cwr : 1 ; __be16 window ; __sum16 check ; __be16 urg_ptr ; }; struct ipv6_stable_secret { bool initialized ; struct in6_addr secret ; }; struct ipv6_devconf { __s32 forwarding ; __s32 hop_limit ; __s32 mtu6 ; __s32 accept_ra ; __s32 accept_redirects ; __s32 autoconf ; __s32 dad_transmits ; __s32 rtr_solicits ; __s32 rtr_solicit_interval ; __s32 rtr_solicit_delay ; __s32 force_mld_version ; __s32 mldv1_unsolicited_report_interval ; __s32 mldv2_unsolicited_report_interval ; __s32 use_tempaddr ; __s32 temp_valid_lft ; __s32 temp_prefered_lft ; __s32 regen_max_retry ; __s32 max_desync_factor ; __s32 max_addresses ; __s32 accept_ra_defrtr ; __s32 accept_ra_pinfo ; __s32 accept_ra_rtr_pref ; __s32 rtr_probe_interval ; __s32 accept_ra_rt_info_max_plen ; __s32 proxy_ndp ; __s32 accept_source_route ; __s32 accept_ra_from_local ; __s32 optimistic_dad ; __s32 use_optimistic ; __s32 mc_forwarding ; __s32 disable_ipv6 ; __s32 accept_dad ; __s32 force_tllao ; __s32 ndisc_notify ; __s32 suppress_frag_ndisc ; __s32 accept_ra_mtu ; struct ipv6_stable_secret stable_secret ; void *sysctl ; }; struct ip6_sf_list { struct ip6_sf_list *sf_next ; struct in6_addr sf_addr ; unsigned long sf_count[2U] ; unsigned char sf_gsresp ; unsigned char sf_oldin ; unsigned char sf_crcount ; }; struct ifmcaddr6 { struct in6_addr mca_addr ; struct inet6_dev *idev ; struct ifmcaddr6 *next ; struct ip6_sf_list *mca_sources ; struct ip6_sf_list *mca_tomb ; unsigned int mca_sfmode ; unsigned char mca_crcount ; unsigned long mca_sfcount[2U] ; struct timer_list mca_timer ; unsigned int mca_flags ; int mca_users ; atomic_t mca_refcnt ; spinlock_t mca_lock ; unsigned long mca_cstamp ; unsigned long mca_tstamp ; }; struct ifacaddr6 { struct in6_addr aca_addr ; struct inet6_dev *aca_idev ; struct rt6_info *aca_rt ; struct ifacaddr6 *aca_next ; int aca_users ; atomic_t aca_refcnt ; unsigned long aca_cstamp ; unsigned long aca_tstamp ; }; struct ipv6_devstat { struct proc_dir_entry *proc_dir_entry ; struct ipstats_mib *ipv6 ; struct icmpv6_mib_device *icmpv6dev ; struct icmpv6msg_mib_device *icmpv6msgdev ; }; struct inet6_dev { struct net_device *dev ; struct list_head addr_list ; struct ifmcaddr6 *mc_list ; struct ifmcaddr6 *mc_tomb ; spinlock_t mc_lock ; unsigned char mc_qrv ; unsigned char mc_gq_running ; unsigned char mc_ifc_count ; unsigned char mc_dad_count ; unsigned long mc_v1_seen ; unsigned long mc_qi ; unsigned long mc_qri ; unsigned long mc_maxdelay ; struct timer_list mc_gq_timer ; struct timer_list mc_ifc_timer ; struct timer_list mc_dad_timer ; struct ifacaddr6 *ac_list ; rwlock_t lock ; atomic_t refcnt ; __u32 if_flags ; int dead ; u8 rndid[8U] ; struct timer_list regen_timer ; struct list_head tempaddr_list ; struct in6_addr token ; struct neigh_parms *nd_parms ; struct ipv6_devconf cnf ; struct ipv6_devstat stats ; struct timer_list rs_timer ; __u8 rs_probes ; __u8 addr_gen_mode ; unsigned long tstamp ; struct callback_head rcu ; }; union __anonunion____missing_field_name_388 { __be32 a4 ; __be32 a6[4U] ; struct in6_addr in6 ; }; struct inetpeer_addr_base { union __anonunion____missing_field_name_388 __annonCompField109 ; }; struct inetpeer_addr { struct inetpeer_addr_base addr ; __u16 family ; }; union __anonunion____missing_field_name_389 { struct list_head gc_list ; struct callback_head gc_rcu ; }; struct __anonstruct____missing_field_name_391 { atomic_t rid ; }; union __anonunion____missing_field_name_390 { struct __anonstruct____missing_field_name_391 __annonCompField111 ; struct callback_head rcu ; struct inet_peer *gc_next ; }; struct inet_peer { struct inet_peer *avl_left ; struct inet_peer *avl_right ; struct inetpeer_addr daddr ; __u32 avl_height ; u32 metrics[16U] ; u32 rate_tokens ; unsigned long rate_last ; union __anonunion____missing_field_name_389 __annonCompField110 ; union __anonunion____missing_field_name_390 __annonCompField112 ; __u32 dtime ; atomic_t refcnt ; }; struct inet_peer_base { struct inet_peer *root ; seqlock_t lock ; int total ; }; struct uncached_list; struct rtable { struct dst_entry dst ; int rt_genid ; unsigned int rt_flags ; __u16 rt_type ; __u8 rt_is_input ; __u8 rt_uses_gateway ; int rt_iif ; __be32 rt_gateway ; u32 rt_pmtu ; struct list_head rt_uncached ; struct uncached_list *rt_uncached_list ; }; struct inet_ehash_bucket { struct hlist_nulls_head chain ; }; struct inet_bind_hashbucket { spinlock_t lock ; struct hlist_head chain ; }; struct inet_listen_hashbucket { spinlock_t lock ; struct hlist_nulls_head head ; }; struct inet_hashinfo { struct inet_ehash_bucket *ehash ; spinlock_t *ehash_locks ; unsigned int ehash_mask ; unsigned int ehash_locks_mask ; struct inet_bind_hashbucket *bhash ; unsigned int bhash_size ; struct kmem_cache *bind_bucket_cachep ; struct inet_listen_hashbucket listening_hash[32U] ; }; struct tracepoint_func { void *func ; void *data ; }; struct tracepoint { char const *name ; struct static_key key ; void (*regfunc)(void) ; void (*unregfunc)(void) ; struct tracepoint_func *funcs ; }; struct trace_enum_map { char const *system ; char const *enum_string ; unsigned long enum_value ; }; struct netrx_pending_operations { unsigned int copy_prod ; unsigned int copy_cons ; unsigned int meta_prod ; unsigned int meta_cons ; struct gnttab_copy *copy ; struct xenvif_rx_meta *meta ; int copy_off ; grant_ref_t copy_gref ; }; struct xenvif_tx_cb { u16 pending_idx ; }; typedef int ldv_func_ret_type; enum hrtimer_restart; enum kobject_action { KOBJ_ADD = 0, KOBJ_REMOVE = 1, KOBJ_CHANGE = 2, KOBJ_MOVE = 3, KOBJ_ONLINE = 4, KOBJ_OFFLINE = 5, KOBJ_MAX = 6 } ; enum irqreturn { IRQ_NONE = 0, IRQ_HANDLED = 1, IRQ_WAKE_THREAD = 2 } ; typedef enum irqreturn irqreturn_t; struct xenbus_device_id { char devicetype[32U] ; }; struct xenbus_driver { char const *name ; struct xenbus_device_id const *ids ; int (*probe)(struct xenbus_device * , struct xenbus_device_id const * ) ; void (*otherend_changed)(struct xenbus_device * , enum xenbus_state ) ; int (*remove)(struct xenbus_device * ) ; int (*suspend)(struct xenbus_device * ) ; int (*resume)(struct xenbus_device * ) ; int (*uevent)(struct xenbus_device * , struct kobj_uevent_env * ) ; struct device_driver driver ; int (*read_otherend_details)(struct xenbus_device * ) ; int (*is_ready)(struct xenbus_device * ) ; }; struct xenbus_transaction { u32 id ; }; struct backend_info { struct xenbus_device *dev ; struct xenvif *vif ; enum xenbus_state state ; enum xenbus_state frontend_state ; struct xenbus_watch hotplug_status_watch ; unsigned char have_hotplug_status_watch : 1 ; char const *hotplug_script ; }; enum hrtimer_restart; struct ratelimit_state { raw_spinlock_t lock ; int interval ; int burst ; int printed ; int missed ; unsigned long begin ; }; struct xenvif_stat { char name[32U] ; u16 offset ; }; typedef int ldv_func_ret_type___0; __inline static long ldv__builtin_expect(long exp , long c ) ; __inline static void set_bit(long nr , unsigned long volatile *addr ) { { __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); return; } } __inline static int test_and_set_bit(long nr , unsigned long volatile *addr ) { char c ; { __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); return ((int )((signed char )c) != 0); } } __inline static int constant_test_bit(long nr , unsigned long const volatile *addr ) { { return ((int )((unsigned long )*(addr + (unsigned long )(nr >> 6)) >> ((int )nr & 63)) & 1); } } extern int printk(char const * , ...) ; extern void __dynamic_netdev_dbg(struct _ddebug * , struct net_device const * , char const * , ...) ; extern void ___might_sleep(char const * , int , int ) ; extern void __might_sleep(char const * , int , int ) ; bool ldv_is_err_or_null(void const *ptr ) ; long ldv_ptr_err(void const *ptr ) ; __inline static void INIT_LIST_HEAD(struct list_head *list ) { { list->next = list; list->prev = list; return; } } extern void __bad_percpu_size(void) ; extern unsigned long __phys_addr(unsigned long ) ; extern struct task_struct *current_task ; __inline static struct task_struct *get_current(void) { struct task_struct *pfo_ret__ ; { switch (8UL) { case 1UL: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); goto ldv_3129; case 2UL: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); goto ldv_3129; case 4UL: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); goto ldv_3129; case 8UL: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); goto ldv_3129; default: __bad_percpu_size(); } ldv_3129: ; return (pfo_ret__); } } extern void *memcpy(void * , void const * , size_t ) ; extern void *memset(void * , int , size_t ) ; extern int __bitmap_weight(unsigned long const * , unsigned int ) ; __inline static int bitmap_weight(unsigned long const *src , unsigned int nbits ) { int tmp___0 ; { tmp___0 = __bitmap_weight(src, nbits); return (tmp___0); } } extern int nr_cpu_ids ; extern struct cpumask const * const cpu_online_mask ; __inline static unsigned int cpumask_weight(struct cpumask const *srcp ) { int tmp ; { tmp = bitmap_weight((unsigned long const *)(& srcp->bits), (unsigned int )nr_cpu_ids); return ((unsigned int )tmp); } } __inline static long PTR_ERR(void const *ptr ) ; __inline static bool IS_ERR_OR_NULL(void const *ptr ) ; __inline static int atomic_read(atomic_t const *v ) { int __var ; { __var = 0; return ((int )*((int const volatile *)(& v->counter))); } } __inline static void atomic_inc(atomic_t *v ) { { __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); return; } } extern void __raw_spin_lock_init(raw_spinlock_t * , char const * , struct lock_class_key * ) ; extern void _raw_spin_lock(raw_spinlock_t * ) ; extern void _raw_spin_lock_irq(raw_spinlock_t * ) ; extern unsigned long _raw_spin_lock_irqsave(raw_spinlock_t * ) ; extern void _raw_spin_unlock(raw_spinlock_t * ) ; extern void _raw_spin_unlock_irq(raw_spinlock_t * ) ; extern void _raw_spin_unlock_irqrestore(raw_spinlock_t * , unsigned long ) ; __inline static raw_spinlock_t *spinlock_check(spinlock_t *lock ) { { return (& lock->__annonCompField18.rlock); } } __inline static void spin_lock(spinlock_t *lock ) { { _raw_spin_lock(& lock->__annonCompField18.rlock); return; } } __inline static void spin_lock_irq(spinlock_t *lock ) { { _raw_spin_lock_irq(& lock->__annonCompField18.rlock); return; } } __inline static void spin_unlock(spinlock_t *lock ) { { _raw_spin_unlock(& lock->__annonCompField18.rlock); return; } } __inline static void spin_unlock_irq(spinlock_t *lock ) { { _raw_spin_unlock_irq(& lock->__annonCompField18.rlock); return; } } __inline static void spin_unlock_irqrestore(spinlock_t *lock , unsigned long flags ) { { _raw_spin_unlock_irqrestore(& lock->__annonCompField18.rlock, flags); return; } } extern void dump_page(struct page * , char const * ) ; extern void __wake_up(wait_queue_head_t * , unsigned int , int , void * ) ; extern void prepare_to_wait(wait_queue_head_t * , wait_queue_t * , int ) ; extern long prepare_to_wait_event(wait_queue_head_t * , wait_queue_t * , int ) ; extern void finish_wait(wait_queue_head_t * , wait_queue_t * ) ; extern int autoremove_wake_function(wait_queue_t * , unsigned int , int , void * ) ; extern unsigned long volatile jiffies ; __inline static u64 get_jiffies_64(void) { { return ((u64 )jiffies); } } extern unsigned long __msecs_to_jiffies(unsigned int const ) ; __inline static unsigned long msecs_to_jiffies(unsigned int const m ) { unsigned long tmp___0 ; { tmp___0 = __msecs_to_jiffies(m); return (tmp___0); } } __inline static int timer_pending(struct timer_list const *timer ) { { return ((unsigned long )timer->entry.pprev != (unsigned long )((struct hlist_node **/* const */)0)); } } extern int mod_timer(struct timer_list * , unsigned long ) ; int ldv_mod_timer_5(struct timer_list *ldv_func_arg1 , unsigned long ldv_func_arg2 ) ; extern enum xen_domain_type xen_domain_type ; extern u8 xen_features[32U] ; __inline static int xen_feature(int flag ) { { return ((int )xen_features[flag]); } } extern struct page *alloc_pages_current(gfp_t , unsigned int ) ; __inline static struct page *alloc_pages(gfp_t gfp_mask , unsigned int order ) { struct page *tmp ; { tmp = alloc_pages_current(gfp_mask, order); return (tmp); } } extern long schedule_timeout(long ) ; extern void schedule(void) ; extern int _cond_resched(void) ; extern void *malloc(size_t ) ; extern void *calloc(size_t , size_t ) ; extern int __VERIFIER_nondet_int(void) ; extern unsigned long __VERIFIER_nondet_ulong(void) ; extern void *__VERIFIER_nondet_pointer(void) ; extern void __VERIFIER_assume(int ) ; void *ldv_malloc(size_t size ) { void *p ; void *tmp ; int tmp___0 ; { tmp___0 = __VERIFIER_nondet_int(); if (tmp___0 != 0) { return ((void *)0); } else { tmp = malloc(size); p = tmp; __VERIFIER_assume((unsigned long )p != (unsigned long )((void *)0)); return (p); } } } void *ldv_zalloc(size_t size ) { void *p ; void *tmp ; int tmp___0 ; { tmp___0 = __VERIFIER_nondet_int(); if (tmp___0 != 0) { return ((void *)0); } else { tmp = calloc(1UL, size); p = tmp; __VERIFIER_assume((unsigned long )p != (unsigned long )((void *)0)); return (p); } } } void *ldv_init_zalloc(size_t size ) { void *p ; void *tmp ; { tmp = calloc(1UL, size); p = tmp; __VERIFIER_assume((unsigned long )p != (unsigned long )((void *)0)); return (p); } } void *ldv_memset(void *s , int c , size_t n ) { void *tmp ; { tmp = memset(s, c, n); return (tmp); } } int ldv_undef_int(void) { int tmp ; { tmp = __VERIFIER_nondet_int(); return (tmp); } } void *ldv_undef_ptr(void) { void *tmp ; { tmp = __VERIFIER_nondet_pointer(); return (tmp); } } unsigned long ldv_undef_ulong(void) { unsigned long tmp ; { tmp = __VERIFIER_nondet_ulong(); return (tmp); } } __inline static void ldv_stop(void) { { LDV_STOP: ; goto LDV_STOP; } } __inline static long ldv__builtin_expect(long exp , long c ) { { return (exp); } } int LDV_IN_INTERRUPT = 1; struct file *xenvif_dbg_io_ring_ops_fops_group2 ; struct net_device *xenvif_netdev_ops_group1 ; struct inode *xenvif_dbg_io_ring_ops_fops_group1 ; struct xenbus_device *netback_driver_group0 ; int ldv_state_variable_0 ; int ldv_state_variable_5 ; int ldv_state_variable_3 ; struct net_device *xenvif_ethtool_ops_group0 ; int ldv_timer_state_1 = 0; int ldv_state_variable_2 ; int ref_cnt ; int ldv_state_variable_1 ; struct timer_list *ldv_timer_list_1 ; int ldv_state_variable_4 ; void ldv_initialize_xenbus_driver_4(void) ; void activate_pending_timer_1(struct timer_list *timer , unsigned long data , int pending_flag ) ; void ldv_file_operations_5(void) ; void ldv_initialize_ethtool_ops_3(void) ; extern int net_ratelimit(void) ; __inline static int PageForeign(struct page const *page ) { int tmp ; { tmp = constant_test_bit(8L, (unsigned long const volatile *)(& page->flags)); return (tmp); } } __inline static int PageHead(struct page const *page ) { int tmp ; { tmp = constant_test_bit(14L, (unsigned long const volatile *)(& page->flags)); return (tmp); } } __inline static int PageTail(struct page const *page ) { int tmp ; { tmp = constant_test_bit(15L, (unsigned long const volatile *)(& page->flags)); return (tmp); } } __inline static int PageCompound(struct page *page ) { { return ((int )page->flags & 49152); } } __inline static struct page *compound_head_by_tail(struct page *tail ) { struct page *head ; int tmp ; long tmp___0 ; { head = tail->__annonCompField46.first_page; __asm__ volatile ("": : : "memory"); tmp = PageTail((struct page const *)tail); tmp___0 = ldv__builtin_expect(tmp != 0, 1L); if (tmp___0 != 0L) { return (head); } else { } return (tail); } } __inline static struct page *compound_head(struct page *page ) { struct page *tmp ; int tmp___0 ; long tmp___1 ; { tmp___0 = PageTail((struct page const *)page); tmp___1 = ldv__builtin_expect(tmp___0 != 0, 0L); if (tmp___1 != 0L) { tmp = compound_head_by_tail(page); return (tmp); } else { } return (page); } } extern bool __get_page_tail(struct page * ) ; __inline static void get_page(struct page *page ) { bool tmp ; long tmp___0 ; int tmp___1 ; long tmp___2 ; int tmp___3 ; long tmp___4 ; { tmp___1 = PageTail((struct page const *)page); tmp___2 = ldv__builtin_expect(tmp___1 != 0, 0L); if (tmp___2 != 0L) { tmp = __get_page_tail(page); tmp___0 = ldv__builtin_expect((long )tmp, 1L); if (tmp___0 != 0L) { return; } else { } } else { } tmp___3 = atomic_read((atomic_t const *)(& page->__annonCompField42.__annonCompField41.__annonCompField40._count)); tmp___4 = ldv__builtin_expect(tmp___3 <= 0, 0L); if (tmp___4 != 0L) { dump_page(page, "VM_BUG_ON_PAGE(atomic_read(&page->_count) <= 0)"); __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/mm.h"), "i" (543), "i" (12UL)); ldv_25157: ; goto ldv_25157; } else { } atomic_inc(& page->__annonCompField42.__annonCompField41.__annonCompField40._count); return; } } extern void put_page(struct page * ) ; __inline static int compound_order(struct page *page ) { int tmp ; { tmp = PageHead((struct page const *)page); if (tmp == 0) { return (0); } else { } return ((int )(page + 1UL)->__annonCompField45.__annonCompField44.compound_order); } } __inline static void *lowmem_page_address(struct page const *page ) { { return ((void *)((unsigned long )((unsigned long long )(((long )page + 24189255811072L) / 64L) << 12) + 0xffff880000000000UL)); } } extern bool __skb_flow_dissect(struct sk_buff const * , struct flow_dissector * , void * , void * , __be16 , int , int ) ; extern struct flow_dissector flow_keys_dissector ; __inline static bool skb_flow_dissect_flow_keys(struct sk_buff const *skb , struct flow_keys *flow ) { bool tmp ; { memset((void *)flow, 0, 52UL); tmp = __skb_flow_dissect(skb, & flow_keys_dissector, (void *)flow, (void *)0, 0, 0, 0); return (tmp); } } __inline static unsigned int skb_frag_size(skb_frag_t const *frag ) { { return ((unsigned int )frag->size); } } __inline static void skb_frag_size_set(skb_frag_t *frag , unsigned int size ) { { frag->size = size; return; } } extern void kfree_skb(struct sk_buff * ) ; extern void consume_skb(struct sk_buff * ) ; extern struct sk_buff *__alloc_skb(unsigned int , gfp_t , int , int ) ; __inline static struct sk_buff *alloc_skb(unsigned int size , gfp_t priority ) { struct sk_buff *tmp ; { tmp = __alloc_skb(size, priority, 0, -1); return (tmp); } } __inline static unsigned char *skb_end_pointer(struct sk_buff const *skb ) { { return ((unsigned char *)skb->head + (unsigned long )skb->end); } } __inline static int skb_queue_empty(struct sk_buff_head const *list ) { { return ((unsigned long )((struct sk_buff const *)list->next) == (unsigned long )((struct sk_buff const *)list)); } } __inline static struct sk_buff *skb_peek(struct sk_buff_head const *list_ ) { struct sk_buff *skb ; { skb = list_->next; if ((unsigned long )skb == (unsigned long )((struct sk_buff *)list_)) { skb = (struct sk_buff *)0; } else { } return (skb); } } __inline static __u32 skb_queue_len(struct sk_buff_head const *list_ ) { { return ((__u32 )list_->qlen); } } __inline static void __skb_queue_head_init(struct sk_buff_head *list ) { struct sk_buff *tmp ; { tmp = (struct sk_buff *)list; list->next = tmp; list->prev = tmp; list->qlen = 0U; return; } } __inline static void skb_queue_head_init(struct sk_buff_head *list ) { struct lock_class_key __key ; { spinlock_check(& list->lock); __raw_spin_lock_init(& list->lock.__annonCompField18.rlock, "&(&list->lock)->rlock", & __key); __skb_queue_head_init(list); return; } } __inline static void __skb_insert(struct sk_buff *newsk , struct sk_buff *prev , struct sk_buff *next , struct sk_buff_head *list ) { struct sk_buff *tmp ; { newsk->__annonCompField75.__annonCompField74.next = next; newsk->__annonCompField75.__annonCompField74.prev = prev; tmp = newsk; prev->__annonCompField75.__annonCompField74.next = tmp; next->__annonCompField75.__annonCompField74.prev = tmp; list->qlen = list->qlen + 1U; return; } } __inline static void __skb_queue_before(struct sk_buff_head *list , struct sk_buff *next , struct sk_buff *newsk ) { { __skb_insert(newsk, next->__annonCompField75.__annonCompField74.prev, next, list); return; } } __inline static void __skb_queue_tail(struct sk_buff_head *list , struct sk_buff *newsk ) { { __skb_queue_before(list, (struct sk_buff *)list, newsk); return; } } __inline static void __skb_unlink(struct sk_buff *skb , struct sk_buff_head *list ) { struct sk_buff *next ; struct sk_buff *prev ; struct sk_buff *tmp ; { list->qlen = list->qlen - 1U; next = skb->__annonCompField75.__annonCompField74.next; prev = skb->__annonCompField75.__annonCompField74.prev; tmp = (struct sk_buff *)0; skb->__annonCompField75.__annonCompField74.prev = tmp; skb->__annonCompField75.__annonCompField74.next = tmp; next->__annonCompField75.__annonCompField74.prev = prev; prev->__annonCompField75.__annonCompField74.next = next; return; } } __inline static struct sk_buff *__skb_dequeue(struct sk_buff_head *list ) { struct sk_buff *skb ; struct sk_buff *tmp ; { tmp = skb_peek((struct sk_buff_head const *)list); skb = tmp; if ((unsigned long )skb != (unsigned long )((struct sk_buff *)0)) { __skb_unlink(skb, list); } else { } return (skb); } } __inline static bool skb_is_nonlinear(struct sk_buff const *skb ) { { return ((unsigned int )skb->data_len != 0U); } } __inline static unsigned int skb_headlen(struct sk_buff const *skb ) { { return ((unsigned int )skb->len - (unsigned int )skb->data_len); } } __inline static void __skb_fill_page_desc(struct sk_buff *skb , int i , struct page *page , int off , int size ) { skb_frag_t *frag ; unsigned char *tmp ; { tmp = skb_end_pointer((struct sk_buff const *)skb); frag = (skb_frag_t *)(& ((struct skb_shared_info *)tmp)->frags) + (unsigned long )i; frag->page.p = page; frag->page_offset = (__u32 )off; skb_frag_size_set(frag, (unsigned int )size); page = compound_head(page); if ((int )page->__annonCompField42.__annonCompField37.pfmemalloc && (unsigned long )page->__annonCompField36.mapping == (unsigned long )((struct address_space *)0)) { skb->pfmemalloc = 1U; } else { } return; } } __inline static unsigned char *skb_tail_pointer(struct sk_buff const *skb ) { { return ((unsigned char *)skb->head + (unsigned long )skb->tail); } } __inline static unsigned char *__skb_put(struct sk_buff *skb , unsigned int len ) { unsigned char *tmp ; unsigned char *tmp___0 ; bool tmp___1 ; long tmp___2 ; { tmp___0 = skb_tail_pointer((struct sk_buff const *)skb); tmp = tmp___0; tmp___1 = skb_is_nonlinear((struct sk_buff const *)skb); tmp___2 = ldv__builtin_expect((long )tmp___1, 0L); if (tmp___2 != 0L) { __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/skbuff.h"), "i" (1696), "i" (12UL)); ldv_28557: ; goto ldv_28557; } else { } skb->tail = skb->tail + len; skb->len = skb->len + len; return (tmp); } } __inline static void skb_reserve(struct sk_buff *skb , int len ) { { skb->data = skb->data + (unsigned long )len; skb->tail = skb->tail + (sk_buff_data_t )len; return; } } __inline static bool skb_transport_header_was_set(struct sk_buff const *skb ) { { return ((unsigned int )((unsigned short )skb->transport_header) != 65535U); } } __inline static unsigned char *skb_transport_header(struct sk_buff const *skb ) { { return ((unsigned char *)skb->head + (unsigned long )skb->transport_header); } } __inline static void skb_reset_transport_header(struct sk_buff *skb ) { { skb->transport_header = (int )((__u16 )((long )skb->data)) - (int )((__u16 )((long )skb->head)); return; } } __inline static void skb_set_transport_header(struct sk_buff *skb , int const offset ) { { skb_reset_transport_header(skb); skb->transport_header = (int )skb->transport_header + (int )((__u16 )offset); return; } } __inline static void skb_reset_network_header(struct sk_buff *skb ) { { skb->network_header = (int )((__u16 )((long )skb->data)) - (int )((__u16 )((long )skb->head)); return; } } __inline static unsigned char *skb_mac_header(struct sk_buff const *skb ) { { return ((unsigned char *)skb->head + (unsigned long )skb->mac_header); } } __inline static void skb_probe_transport_header(struct sk_buff *skb , int const offset_hint ) { struct flow_keys keys ; bool tmp ; bool tmp___0 ; { tmp___0 = skb_transport_header_was_set((struct sk_buff const *)skb); if ((int )tmp___0) { return; } else { tmp = skb_flow_dissect_flow_keys((struct sk_buff const *)skb, & keys); if ((int )tmp) { skb_set_transport_header(skb, (int const )keys.control.thoff); } else { skb_set_transport_header(skb, offset_hint); } } return; } } __inline static struct page *skb_frag_page(skb_frag_t const *frag ) { { return ((struct page *)frag->page.p); } } __inline static void __skb_frag_unref(skb_frag_t *frag ) { struct page *tmp ; { tmp = skb_frag_page((skb_frag_t const *)frag); put_page(tmp); return; } } __inline static void skb_frag_unref(struct sk_buff *skb , int f ) { unsigned char *tmp ; { tmp = skb_end_pointer((struct sk_buff const *)skb); __skb_frag_unref((skb_frag_t *)(& ((struct skb_shared_info *)tmp)->frags) + (unsigned long )f); return; } } __inline static bool skb_has_frag_list(struct sk_buff const *skb ) { unsigned char *tmp ; { tmp = skb_end_pointer(skb); return ((unsigned long )((struct skb_shared_info *)tmp)->frag_list != (unsigned long )((struct sk_buff *)0)); } } __inline static void skb_frag_list_init(struct sk_buff *skb ) { unsigned char *tmp ; { tmp = skb_end_pointer((struct sk_buff const *)skb); ((struct skb_shared_info *)tmp)->frag_list = (struct sk_buff *)0; return; } } extern int skb_copy_bits(struct sk_buff const * , int , void * , int ) ; __inline static bool skb_is_gso(struct sk_buff const *skb ) { unsigned char *tmp ; { tmp = skb_end_pointer(skb); return ((unsigned int )((struct skb_shared_info *)tmp)->gso_size != 0U); } } extern int skb_checksum_setup(struct sk_buff * , bool ) ; extern void __napi_schedule(struct napi_struct * ) ; __inline static bool napi_disable_pending(struct napi_struct *n ) { int tmp ; { tmp = constant_test_bit(1L, (unsigned long const volatile *)(& n->state)); return (tmp != 0); } } __inline static bool napi_schedule_prep(struct napi_struct *n ) { bool tmp ; int tmp___0 ; int tmp___1 ; int tmp___2 ; { tmp = napi_disable_pending(n); if (tmp) { tmp___0 = 0; } else { tmp___0 = 1; } if (tmp___0) { tmp___1 = test_and_set_bit(0L, (unsigned long volatile *)(& n->state)); if (tmp___1 == 0) { tmp___2 = 1; } else { tmp___2 = 0; } } else { tmp___2 = 0; } return ((bool )tmp___2); } } __inline static void napi_schedule(struct napi_struct *n ) { bool tmp ; { tmp = napi_schedule_prep(n); if ((int )tmp) { __napi_schedule(n); } else { } return; } } __inline static struct netdev_queue *netdev_get_tx_queue(struct net_device const *dev , unsigned int index ) { { return ((struct netdev_queue *)dev->_tx + (unsigned long )index); } } __inline static void *netdev_priv(struct net_device const *dev ) { { return ((void *)dev + 3008U); } } extern void netif_tx_wake_queue(struct netdev_queue * ) ; __inline static void netif_tx_stop_queue(struct netdev_queue *dev_queue ) { { set_bit(0L, (unsigned long volatile *)(& dev_queue->state)); return; } } extern int netif_receive_skb_sk(struct sock * , struct sk_buff * ) ; __inline static int netif_receive_skb(struct sk_buff *skb ) { int tmp ; { tmp = netif_receive_skb_sk(skb->sk, skb); return (tmp); } } extern void netif_carrier_on(struct net_device * ) ; extern void netif_carrier_off(struct net_device * ) ; extern void netdev_err(struct net_device const * , char const * , ...) ; extern void netdev_info(struct net_device const * , char const * , ...) ; extern __be16 eth_type_trans(struct sk_buff * , struct net_device * ) ; __inline static void gnttab_set_map_op(struct gnttab_map_grant_ref *map , phys_addr_t addr , uint32_t flags , grant_ref_t ref , domid_t domid ) { unsigned long tmp ; int tmp___0 ; { if ((flags & 16U) != 0U) { map->host_addr = addr; } else { tmp___0 = xen_feature(2); if (tmp___0 != 0) { tmp = __phys_addr((unsigned long )addr); map->host_addr = (uint64_t )tmp; } else { map->host_addr = addr; } } map->flags = flags; map->ref = ref; map->dom = domid; return; } } __inline static void gnttab_set_unmap_op(struct gnttab_unmap_grant_ref *unmap , phys_addr_t addr , uint32_t flags , grant_handle_t handle ) { unsigned long tmp ; int tmp___0 ; { if ((flags & 16U) != 0U) { unmap->host_addr = addr; } else { tmp___0 = xen_feature(2); if (tmp___0 != 0) { tmp = __phys_addr((unsigned long )addr); unmap->host_addr = (uint64_t )tmp; } else { unmap->host_addr = addr; } } unmap->handle = handle; unmap->dev_bus_addr = 0ULL; return; } } extern int gnttab_map_refs(struct gnttab_map_grant_ref * , struct gnttab_map_grant_ref * , struct page ** , unsigned int ) ; extern int gnttab_unmap_refs(struct gnttab_unmap_grant_ref * , struct gnttab_unmap_grant_ref * , struct page ** , unsigned int ) ; extern void gnttab_batch_copy(struct gnttab_copy * , unsigned int ) ; __inline static struct xen_page_foreign *xen_page_foreign(struct page *page ) { int tmp ; { tmp = PageForeign((struct page const *)page); if (tmp == 0) { return ((struct xen_page_foreign *)0); } else { } return ((struct xen_page_foreign *)(& page->__annonCompField46.private)); } } __inline static struct xenbus_device *to_xenbus_device(struct device *dev ) { struct device const *__mptr ; { __mptr = (struct device const *)dev; return ((struct xenbus_device *)__mptr + 0xffffffffffffffc0UL); } } extern int xenbus_map_ring_valloc(struct xenbus_device * , grant_ref_t * , unsigned int , void ** ) ; extern int xenbus_unmap_ring_vfree(struct xenbus_device * , void * ) ; extern struct dentry *debugfs_create_dir(char const * , struct dentry * ) ; extern void debugfs_remove_recursive(struct dentry * ) ; __inline static struct xenbus_device *xenvif_to_xenbus_device(struct xenvif *vif ) { struct xenbus_device *tmp ; { tmp = to_xenbus_device((vif->dev)->dev.parent); return (tmp); } } void xenvif_tx_credit_callback(unsigned long data ) ; int xenvif_xenbus_init(void) ; void xenvif_xenbus_fini(void) ; void xenvif_unmap_frontend_rings(struct xenvif_queue *queue ) ; int xenvif_map_frontend_rings(struct xenvif_queue *queue , grant_ref_t tx_ring_ref , grant_ref_t rx_ring_ref ) ; void xenvif_napi_schedule_or_enable_events(struct xenvif_queue *queue ) ; void xenvif_carrier_off(struct xenvif *vif ) ; int xenvif_tx_action(struct xenvif_queue *queue , int budget ) ; int xenvif_kthread_guest_rx(void *data ) ; void xenvif_kick_thread(struct xenvif_queue *queue ) ; int xenvif_dealloc_kthread(void *data ) ; void xenvif_rx_queue_tail(struct xenvif_queue *queue , struct sk_buff *skb ) ; bool xenvif_rx_ring_slots_available(struct xenvif_queue *queue , int needed ) ; void xenvif_zerocopy_callback(struct ubuf_info *ubuf , bool zerocopy_success ) ; void xenvif_idx_unmap(struct xenvif_queue *queue , u16 pending_idx ) ; bool separate_tx_rx_irq ; unsigned int rx_drain_timeout_msecs ; unsigned int rx_stall_timeout_msecs ; unsigned int xenvif_max_queues ; struct dentry *xen_netback_dbg_root ; void xenvif_skb_zerocopy_prepare(struct xenvif_queue *queue , struct sk_buff *skb ) ; void xenvif_skb_zerocopy_complete(struct xenvif_queue *queue ) ; extern bool kthread_should_stop(void) ; __inline static struct tcphdr *tcp_hdr(struct sk_buff const *skb ) { unsigned char *tmp ; { tmp = skb_transport_header(skb); return ((struct tcphdr *)tmp); } } __inline static unsigned int tcp_hdrlen(struct sk_buff const *skb ) { struct tcphdr *tmp ; { tmp = tcp_hdr(skb); return ((unsigned int )((int )tmp->doff * 4)); } } extern void notify_remote_via_irq(int ) ; extern unsigned long *xen_p2m_addr ; extern unsigned long xen_p2m_size ; extern unsigned long xen_max_p2m_pfn ; extern unsigned long get_phys_to_machine(unsigned long ) ; __inline static unsigned long __pfn_to_mfn(unsigned long pfn ) { unsigned long mfn ; unsigned long tmp ; long tmp___0 ; unsigned long tmp___1 ; long tmp___2 ; { if (pfn < xen_p2m_size) { mfn = *(xen_p2m_addr + pfn); } else { tmp___0 = ldv__builtin_expect(pfn < xen_max_p2m_pfn, 0L); if (tmp___0 != 0L) { tmp = get_phys_to_machine(pfn); return (tmp); } else { return (pfn | 4611686018427387904UL); } } tmp___2 = ldv__builtin_expect(mfn == 0xffffffffffffffffUL, 0L); if (tmp___2 != 0L) { tmp___1 = get_phys_to_machine(pfn); return (tmp___1); } else { } return (mfn); } } __inline static unsigned long pfn_to_mfn(unsigned long pfn ) { unsigned long mfn ; int tmp ; { tmp = xen_feature(2); if (tmp != 0) { return (pfn); } else { } mfn = __pfn_to_mfn(pfn); if (mfn != 0xffffffffffffffffUL) { mfn = mfn & 4611686018427387903UL; } else { } return (mfn); } } bool separate_tx_rx_irq = 1; unsigned int rx_drain_timeout_msecs = 10000U; unsigned int rx_stall_timeout_msecs = 60000U; static unsigned int fatal_skb_slots = 20U; static void xenvif_idx_release(struct xenvif_queue *queue , u16 pending_idx , u8 status ) ; static void make_tx_response(struct xenvif_queue *queue , struct xen_netif_tx_request *txp , s8 st ) ; static void push_tx_responses(struct xenvif_queue *queue ) ; __inline static int tx_work_todo(struct xenvif_queue *queue ) ; static struct xen_netif_rx_response *make_rx_response(struct xenvif_queue *queue , u16 id , s8 st , u16 offset , u16 size , u16 flags ) ; __inline static unsigned long idx_to_pfn(struct xenvif_queue *queue , u16 idx ) { { return ((unsigned long )(((long )queue->mmap_pages[(int )idx] + 24189255811072L) / 64L)); } } __inline static unsigned long idx_to_kaddr(struct xenvif_queue *queue , u16 idx ) { unsigned long tmp ; { tmp = idx_to_pfn(queue, (int )idx); return ((tmp << 12) + 0xffff880000000000UL); } } __inline static struct xenvif_queue *ubuf_to_queue(struct ubuf_info const *ubuf ) { u16 pending_idx ; struct pending_tx_info *temp ; struct ubuf_info const *__mptr ; struct pending_tx_info const *__mptr___0 ; { pending_idx = (u16 )ubuf->desc; __mptr = ubuf; temp = (struct pending_tx_info *)__mptr + 0xfffffffffffffff0UL; __mptr___0 = (struct pending_tx_info const *)(temp + - ((unsigned long )pending_idx)); return ((struct xenvif_queue *)__mptr___0 + 0xfffffffffffff420UL); } } static u16 frag_get_pending_idx(skb_frag_t *frag ) { { return ((u16 )frag->page_offset); } } static void frag_set_pending_idx(skb_frag_t *frag , u16 pending_idx ) { { frag->page_offset = (__u32 )pending_idx; return; } } __inline static pending_ring_idx_t pending_index(unsigned int i ) { { return (i & 255U); } } bool xenvif_rx_ring_slots_available(struct xenvif_queue *queue , int needed ) { RING_IDX prod ; RING_IDX cons ; { ldv_57794: prod = (queue->rx.sring)->req_prod; cons = queue->rx.req_cons; if (prod - cons >= (RING_IDX )needed) { return (1); } else { } (queue->rx.sring)->req_event = prod + 1U; __asm__ volatile ("mfence": : : "memory"); if ((queue->rx.sring)->req_prod != prod) { goto ldv_57794; } else { } return (0); } } void xenvif_rx_queue_tail(struct xenvif_queue *queue , struct sk_buff *skb ) { unsigned long flags ; raw_spinlock_t *tmp ; struct netdev_queue *tmp___0 ; { tmp = spinlock_check(& queue->rx_queue.lock); flags = _raw_spin_lock_irqsave(tmp); __skb_queue_tail(& queue->rx_queue, skb); queue->rx_queue_len = queue->rx_queue_len + skb->len; if (queue->rx_queue_len > queue->rx_queue_max) { tmp___0 = netdev_get_tx_queue((struct net_device const *)(queue->vif)->dev, queue->id); netif_tx_stop_queue(tmp___0); } else { } spin_unlock_irqrestore(& queue->rx_queue.lock, flags); return; } } static struct sk_buff *xenvif_rx_dequeue(struct xenvif_queue *queue ) { struct sk_buff *skb ; { spin_lock_irq(& queue->rx_queue.lock); skb = __skb_dequeue(& queue->rx_queue); if ((unsigned long )skb != (unsigned long )((struct sk_buff *)0)) { queue->rx_queue_len = queue->rx_queue_len - skb->len; } else { } spin_unlock_irq(& queue->rx_queue.lock); return (skb); } } static void xenvif_rx_queue_maybe_wake(struct xenvif_queue *queue ) { struct netdev_queue *tmp ; { spin_lock_irq(& queue->rx_queue.lock); if (queue->rx_queue_len < queue->rx_queue_max) { tmp = netdev_get_tx_queue((struct net_device const *)(queue->vif)->dev, queue->id); netif_tx_wake_queue(tmp); } else { } spin_unlock_irq(& queue->rx_queue.lock); return; } } static void xenvif_rx_queue_purge(struct xenvif_queue *queue ) { struct sk_buff *skb ; { goto ldv_57816; ldv_57815: kfree_skb(skb); ldv_57816: skb = xenvif_rx_dequeue(queue); if ((unsigned long )skb != (unsigned long )((struct sk_buff *)0)) { goto ldv_57815; } else { } return; } } static void xenvif_rx_queue_drop_expired(struct xenvif_queue *queue ) { struct sk_buff *skb ; { ldv_57829: skb = skb_peek((struct sk_buff_head const *)(& queue->rx_queue)); if ((unsigned long )skb == (unsigned long )((struct sk_buff *)0)) { goto ldv_57822; } else { } if ((long )((unsigned long )jiffies - ((struct xenvif_rx_cb *)(& skb->cb))->expires) < 0L) { goto ldv_57822; } else { } xenvif_rx_dequeue(queue); kfree_skb(skb); goto ldv_57829; ldv_57822: ; return; } } static struct xenvif_rx_meta *get_next_rx_buffer(struct xenvif_queue *queue , struct netrx_pending_operations *npo ) { struct xenvif_rx_meta *meta ; struct xen_netif_rx_request *req ; RING_IDX tmp ; unsigned int tmp___0 ; { tmp = queue->rx.req_cons; queue->rx.req_cons = queue->rx.req_cons + 1U; req = & (queue->rx.sring)->ring[tmp & (queue->rx.nr_ents - 1U)].req; tmp___0 = npo->meta_prod; npo->meta_prod = npo->meta_prod + 1U; meta = npo->meta + (unsigned long )tmp___0; meta->gso_type = 0; meta->gso_size = 0; meta->size = 0; meta->id = (int )req->id; npo->copy_off = 0; npo->copy_gref = req->gref; return (meta); } } static void xenvif_gop_frag_copy(struct xenvif_queue *queue , struct sk_buff *skb , struct netrx_pending_operations *npo , struct page *page , unsigned long size , unsigned long offset , int *head ) { struct gnttab_copy *copy_gop ; struct xenvif_rx_meta *meta ; unsigned long bytes ; int gso_type ; int tmp ; long tmp___0 ; struct xen_page_foreign *foreign ; long tmp___1 ; long tmp___2 ; unsigned int tmp___3 ; void *tmp___4 ; unsigned long tmp___5 ; int tmp___6 ; long tmp___7 ; unsigned char *tmp___8 ; unsigned char *tmp___9 ; bool tmp___10 ; { gso_type = 0; tmp = compound_order(page); tmp___0 = ldv__builtin_expect(size + offset > 4096UL << tmp, 0L); if (tmp___0 != 0L) { __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (281), "i" (12UL)); ldv_57858: ; goto ldv_57858; } else { } meta = npo->meta + ((unsigned long )npo->meta_prod + 0xffffffffffffffffUL); page = page + (offset >> 12); offset = offset & 4095UL; goto ldv_57864; ldv_57863: tmp___1 = ldv__builtin_expect(offset > 4095UL, 0L); if (tmp___1 != 0L) { __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (292), "i" (12UL)); ldv_57860: ; goto ldv_57860; } else { } tmp___2 = ldv__builtin_expect((unsigned int )npo->copy_off > 4096U, 0L); if (tmp___2 != 0L) { __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (293), "i" (12UL)); ldv_57861: ; goto ldv_57861; } else { } if (npo->copy_off == 4096) { meta = get_next_rx_buffer(queue, npo); } else { } bytes = 4096UL - offset; if (bytes > size) { bytes = size; } else { } if ((unsigned long )npo->copy_off + bytes > 4096UL) { bytes = 4096UL - (unsigned long )npo->copy_off; } else { } tmp___3 = npo->copy_prod; npo->copy_prod = npo->copy_prod + 1U; copy_gop = npo->copy + (unsigned long )tmp___3; copy_gop->flags = 2U; copy_gop->len = (uint16_t )bytes; foreign = xen_page_foreign(page); if ((unsigned long )foreign != (unsigned long )((struct xen_page_foreign *)0)) { copy_gop->source.domid = foreign->domid; copy_gop->source.u.ref = foreign->gref; copy_gop->flags = (uint16_t )((unsigned int )copy_gop->flags | 1U); } else { copy_gop->source.domid = 32752U; tmp___4 = lowmem_page_address((struct page const *)page); tmp___5 = __phys_addr((unsigned long )tmp___4); copy_gop->source.u.gmfn = pfn_to_mfn(tmp___5 >> 12); } copy_gop->source.offset = (uint16_t )offset; copy_gop->dest.domid = (queue->vif)->domid; copy_gop->dest.offset = (uint16_t )npo->copy_off; copy_gop->dest.u.ref = npo->copy_gref; npo->copy_off = (int )((unsigned int )npo->copy_off + (unsigned int )bytes); meta->size = (int )((unsigned int )meta->size + (unsigned int )bytes); offset = offset + bytes; size = size - bytes; if (offset == 4096UL && size != 0UL) { tmp___6 = PageCompound(page); tmp___7 = ldv__builtin_expect(tmp___6 == 0, 0L); if (tmp___7 != 0L) { __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (333), "i" (12UL)); ldv_57862: ; goto ldv_57862; } else { } page = page + 1; offset = 0UL; } else { } tmp___10 = skb_is_gso((struct sk_buff const *)skb); if ((int )tmp___10) { tmp___9 = skb_end_pointer((struct sk_buff const *)skb); if ((int )((struct skb_shared_info *)tmp___9)->gso_type & 1) { gso_type = 1; } else { tmp___8 = skb_end_pointer((struct sk_buff const *)skb); if (((int )((struct skb_shared_info *)tmp___8)->gso_type & 16) != 0) { gso_type = 2; } else { } } } else { } if (*head != 0 && ((queue->vif)->gso_mask >> gso_type) & 1) { queue->rx.req_cons = queue->rx.req_cons + 1U; } else { } *head = 0; ldv_57864: ; if (size != 0UL) { goto ldv_57863; } else { } return; } } static int xenvif_gop_skb(struct sk_buff *skb , struct netrx_pending_operations *npo , struct xenvif_queue *queue ) { struct xenvif *vif ; void *tmp ; int nr_frags ; unsigned char *tmp___0 ; int i ; struct xen_netif_rx_request *req ; struct xenvif_rx_meta *meta ; unsigned char *data ; int head ; int old_meta_prod ; int gso_type ; unsigned char *tmp___1 ; unsigned char *tmp___2 ; bool tmp___3 ; RING_IDX tmp___4 ; unsigned int tmp___5 ; unsigned char *tmp___6 ; RING_IDX tmp___7 ; unsigned int tmp___8 ; unsigned char *tmp___9 ; unsigned int offset ; unsigned int len ; unsigned char *tmp___10 ; unsigned char *tmp___11 ; unsigned long tmp___12 ; unsigned char *tmp___13 ; unsigned char *tmp___14 ; unsigned char *tmp___15 ; unsigned int tmp___16 ; unsigned char *tmp___17 ; struct page *tmp___18 ; { tmp = netdev_priv((struct net_device const *)skb->dev); vif = (struct xenvif *)tmp; tmp___0 = skb_end_pointer((struct sk_buff const *)skb); nr_frags = (int )((struct skb_shared_info *)tmp___0)->nr_frags; head = 1; old_meta_prod = (int )npo->meta_prod; gso_type = 0; tmp___3 = skb_is_gso((struct sk_buff const *)skb); if ((int )tmp___3) { tmp___2 = skb_end_pointer((struct sk_buff const *)skb); if ((int )((struct skb_shared_info *)tmp___2)->gso_type & 1) { gso_type = 1; } else { tmp___1 = skb_end_pointer((struct sk_buff const *)skb); if (((int )((struct skb_shared_info *)tmp___1)->gso_type & 16) != 0) { gso_type = 2; } else { } } } else { } if ((vif->gso_prefix_mask >> gso_type) & 1) { tmp___4 = queue->rx.req_cons; queue->rx.req_cons = queue->rx.req_cons + 1U; req = & (queue->rx.sring)->ring[tmp___4 & (queue->rx.nr_ents - 1U)].req; tmp___5 = npo->meta_prod; npo->meta_prod = npo->meta_prod + 1U; meta = npo->meta + (unsigned long )tmp___5; meta->gso_type = gso_type; tmp___6 = skb_end_pointer((struct sk_buff const *)skb); meta->gso_size = (int )((struct skb_shared_info *)tmp___6)->gso_size; meta->size = 0; meta->id = (int )req->id; } else { } tmp___7 = queue->rx.req_cons; queue->rx.req_cons = queue->rx.req_cons + 1U; req = & (queue->rx.sring)->ring[tmp___7 & (queue->rx.nr_ents - 1U)].req; tmp___8 = npo->meta_prod; npo->meta_prod = npo->meta_prod + 1U; meta = npo->meta + (unsigned long )tmp___8; if ((vif->gso_mask >> gso_type) & 1) { meta->gso_type = gso_type; tmp___9 = skb_end_pointer((struct sk_buff const *)skb); meta->gso_size = (int )((struct skb_shared_info *)tmp___9)->gso_size; } else { meta->gso_type = 0; meta->gso_size = 0; } meta->size = 0; meta->id = (int )req->id; npo->copy_off = 0; npo->copy_gref = req->gref; data = skb->data; goto ldv_57883; ldv_57882: offset = (unsigned int )((long )data) & 4095U; len = 4096U - offset; tmp___11 = skb_tail_pointer((struct sk_buff const *)skb); if ((unsigned long )(data + (unsigned long )len) > (unsigned long )tmp___11) { tmp___10 = skb_tail_pointer((struct sk_buff const *)skb); len = (unsigned int )((long )tmp___10) - (unsigned int )((long )data); } else { } tmp___12 = __phys_addr((unsigned long )data); xenvif_gop_frag_copy(queue, skb, npo, (struct page *)-24189255811072L + (tmp___12 >> 12), (unsigned long )len, (unsigned long )offset, & head); data = data + (unsigned long )len; ldv_57883: tmp___13 = skb_tail_pointer((struct sk_buff const *)skb); if ((unsigned long )tmp___13 > (unsigned long )data) { goto ldv_57882; } else { } i = 0; goto ldv_57886; ldv_57885: tmp___14 = skb_end_pointer((struct sk_buff const *)skb); tmp___15 = skb_end_pointer((struct sk_buff const *)skb); tmp___16 = skb_frag_size((skb_frag_t const *)(& ((struct skb_shared_info *)tmp___15)->frags) + (unsigned long )i); tmp___17 = skb_end_pointer((struct sk_buff const *)skb); tmp___18 = skb_frag_page((skb_frag_t const *)(& ((struct skb_shared_info *)tmp___17)->frags) + (unsigned long )i); xenvif_gop_frag_copy(queue, skb, npo, tmp___18, (unsigned long )tmp___16, (unsigned long )((struct skb_shared_info *)tmp___14)->frags[i].page_offset, & head); i = i + 1; ldv_57886: ; if (i < nr_frags) { goto ldv_57885; } else { } return ((int )(npo->meta_prod - (unsigned int )old_meta_prod)); } } static int xenvif_check_gop(struct xenvif *vif , int nr_meta_slots , struct netrx_pending_operations *npo ) { struct gnttab_copy *copy_op ; int status ; int i ; unsigned int tmp ; struct _ddebug descriptor ; long tmp___0 ; { status = 0; i = 0; goto ldv_57899; ldv_57898: tmp = npo->copy_cons; npo->copy_cons = npo->copy_cons + 1U; copy_op = npo->copy + (unsigned long )tmp; if ((int )copy_op->status != 0) { descriptor.modname = "xen_netback"; descriptor.function = "xenvif_check_gop"; descriptor.filename = "/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"; descriptor.format = "Bad status %d from copy to DOM%d.\n"; descriptor.lineno = 458U; descriptor.flags = 0U; tmp___0 = ldv__builtin_expect((long )descriptor.flags & 1L, 0L); if (tmp___0 != 0L) { __dynamic_netdev_dbg(& descriptor, (struct net_device const *)vif->dev, "Bad status %d from copy to DOM%d.\n", (int )copy_op->status, (int )vif->domid); } else { } status = -1; } else { } i = i + 1; ldv_57899: ; if (i < nr_meta_slots) { goto ldv_57898; } else { } return (status); } } static void xenvif_add_frag_responses(struct xenvif_queue *queue , int status , struct xenvif_rx_meta *meta , int nr_meta_slots ) { int i ; unsigned long offset ; int flags ; { if (nr_meta_slots <= 1) { return; } else { } nr_meta_slots = nr_meta_slots - 1; i = 0; goto ldv_57911; ldv_57910: ; if (nr_meta_slots + -1 == i) { flags = 0; } else { flags = 4; } offset = 0UL; make_rx_response(queue, (int )((u16 )(meta + (unsigned long )i)->id), (int )((s8 )status), (int )((u16 )offset), (int )((u16 )(meta + (unsigned long )i)->size), (int )((u16 )flags)); i = i + 1; ldv_57911: ; if (i < nr_meta_slots) { goto ldv_57910; } else { } return; } } void xenvif_kick_thread(struct xenvif_queue *queue ) { { __wake_up(& queue->wq, 3U, 1, (void *)0); return; } } static void xenvif_rx_action(struct xenvif_queue *queue ) { s8 status ; u16 flags ; struct xen_netif_rx_response *resp ; struct sk_buff_head rxq ; struct sk_buff *skb ; struct list_head notify ; int ret ; unsigned long offset ; bool need_to_notify ; struct netrx_pending_operations npo ; bool tmp ; long tmp___0 ; long tmp___1 ; RING_IDX tmp___2 ; int tmp___3 ; struct xen_netif_extra_info *gso ; RING_IDX tmp___4 ; RING_IDX __old ; RING_IDX __new ; { notify.next = & notify; notify.prev = & notify; need_to_notify = 0; npo.copy_prod = 0U; npo.copy_cons = 0U; npo.meta_prod = 0U; npo.meta_cons = 0U; npo.copy = (struct gnttab_copy *)(& queue->grant_copy_op); npo.meta = (struct xenvif_rx_meta *)(& queue->meta); npo.copy_off = 0; npo.copy_gref = 0U; skb_queue_head_init(& rxq); goto ldv_57930; ldv_57929: queue->last_rx_time = jiffies; ((struct xenvif_rx_cb *)(& skb->cb))->meta_slots_used = xenvif_gop_skb(skb, & npo, queue); __skb_queue_tail(& rxq, skb); ldv_57930: tmp = xenvif_rx_ring_slots_available(queue, 18); if ((int )tmp) { skb = xenvif_rx_dequeue(queue); if ((unsigned long )skb != (unsigned long )((struct sk_buff *)0)) { goto ldv_57929; } else { goto ldv_57931; } } else { } ldv_57931: tmp___0 = ldv__builtin_expect(npo.meta_prod > 256U, 0L); if (tmp___0 != 0L) { __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (525), "i" (12UL)); ldv_57934: ; goto ldv_57934; } else { } if (npo.copy_prod == 0U) { goto done; } else { } tmp___1 = ldv__builtin_expect(npo.copy_prod > 4352U, 0L); if (tmp___1 != 0L) { __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (530), "i" (12UL)); ldv_57936: ; goto ldv_57936; } else { } gnttab_batch_copy((struct gnttab_copy *)(& queue->grant_copy_op), npo.copy_prod); goto ldv_57941; ldv_57940: ; if (((queue->vif)->gso_prefix_mask >> queue->meta[npo.meta_cons].gso_type) & 1) { tmp___2 = queue->rx.rsp_prod_pvt; queue->rx.rsp_prod_pvt = queue->rx.rsp_prod_pvt + 1U; resp = & (queue->rx.sring)->ring[tmp___2 & (queue->rx.nr_ents - 1U)].rsp; resp->flags = 20U; resp->offset = (uint16_t )queue->meta[npo.meta_cons].gso_size; resp->id = (uint16_t )queue->meta[npo.meta_cons].id; resp->status = (int16_t )((struct xenvif_rx_cb *)(& skb->cb))->meta_slots_used; npo.meta_cons = npo.meta_cons + 1U; ((struct xenvif_rx_cb *)(& skb->cb))->meta_slots_used = ((struct xenvif_rx_cb *)(& skb->cb))->meta_slots_used - 1; } else { } queue->stats.tx_bytes = queue->stats.tx_bytes + skb->len; queue->stats.tx_packets = queue->stats.tx_packets + 1U; tmp___3 = xenvif_check_gop(queue->vif, ((struct xenvif_rx_cb *)(& skb->cb))->meta_slots_used, & npo); status = (s8 )tmp___3; if (((struct xenvif_rx_cb *)(& skb->cb))->meta_slots_used == 1) { flags = 0U; } else { flags = 4U; } if ((unsigned int )*((unsigned char *)skb + 145UL) == 6U) { flags = (u16 )((unsigned int )flags | 3U); } else if ((unsigned int )*((unsigned char *)skb + 145UL) == 2U) { flags = (u16 )((unsigned int )flags | 1U); } else { } offset = 0UL; resp = make_rx_response(queue, (int )((u16 )queue->meta[npo.meta_cons].id), (int )status, (int )((u16 )offset), (int )((u16 )queue->meta[npo.meta_cons].size), (int )flags); if (((queue->vif)->gso_mask >> queue->meta[npo.meta_cons].gso_type) & 1) { tmp___4 = queue->rx.rsp_prod_pvt; queue->rx.rsp_prod_pvt = queue->rx.rsp_prod_pvt + 1U; gso = (struct xen_netif_extra_info *)(& (queue->rx.sring)->ring[tmp___4 & (queue->rx.nr_ents - 1U)].rsp); resp->flags = (uint16_t )((unsigned int )resp->flags | 8U); gso->u.gso.type = (uint8_t )queue->meta[npo.meta_cons].gso_type; gso->u.gso.size = (uint16_t )queue->meta[npo.meta_cons].gso_size; gso->u.gso.pad = 0U; gso->u.gso.features = 0U; gso->type = 1U; gso->flags = 0U; } else { } xenvif_add_frag_responses(queue, (int )status, (struct xenvif_rx_meta *)(& queue->meta) + ((unsigned long )npo.meta_cons + 1UL), ((struct xenvif_rx_cb *)(& skb->cb))->meta_slots_used); __old = (queue->rx.sring)->rsp_prod; __new = queue->rx.rsp_prod_pvt; __asm__ volatile ("sfence": : : "memory"); (queue->rx.sring)->rsp_prod = __new; __asm__ volatile ("mfence": : : "memory"); ret = __new - (queue->rx.sring)->rsp_event < __new - __old; need_to_notify = ((int )need_to_notify | (ret != 0)) != 0; npo.meta_cons = npo.meta_cons + (unsigned int )((struct xenvif_rx_cb *)(& skb->cb))->meta_slots_used; consume_skb(skb); ldv_57941: skb = __skb_dequeue(& rxq); if ((unsigned long )skb != (unsigned long )((struct sk_buff *)0)) { goto ldv_57940; } else { } done: ; if ((int )need_to_notify) { notify_remote_via_irq((int )queue->rx_irq); } else { } return; } } void xenvif_napi_schedule_or_enable_events(struct xenvif_queue *queue ) { int more_to_do ; unsigned int req ; unsigned int rsp ; unsigned int req___0 ; unsigned int rsp___0 ; { req = (queue->tx.sring)->req_prod - queue->tx.req_cons; rsp = queue->tx.nr_ents + (queue->tx.rsp_prod_pvt - queue->tx.req_cons); more_to_do = (int )(req < rsp ? req : rsp); if (more_to_do != 0) { goto ldv_57950; } else { } (queue->tx.sring)->req_event = queue->tx.req_cons + 1U; __asm__ volatile ("mfence": : : "memory"); req___0 = (queue->tx.sring)->req_prod - queue->tx.req_cons; rsp___0 = queue->tx.nr_ents + (queue->tx.rsp_prod_pvt - queue->tx.req_cons); more_to_do = (int )(req___0 < rsp___0 ? req___0 : rsp___0); ldv_57950: ; if (more_to_do != 0) { napi_schedule(& queue->napi); } else { } return; } } static void tx_add_credit(struct xenvif_queue *queue ) { unsigned long max_burst ; unsigned long max_credit ; unsigned long _min1 ; unsigned long _min2 ; unsigned long _max1 ; unsigned long _max2 ; unsigned long _min1___0 ; unsigned long _min2___0 ; { max_burst = (unsigned long )(queue->tx.sring)->ring[queue->tx.req_cons & (queue->tx.nr_ents - 1U)].req.size; _min1 = max_burst; _min2 = 131072UL; max_burst = _min1 < _min2 ? _min1 : _min2; _max1 = max_burst; _max2 = queue->credit_bytes; max_burst = _max1 > _max2 ? _max1 : _max2; max_credit = queue->remaining_credit + queue->credit_bytes; if (queue->remaining_credit > max_credit) { max_credit = 0xffffffffffffffffUL; } else { } _min1___0 = max_credit; _min2___0 = max_burst; queue->remaining_credit = _min1___0 < _min2___0 ? _min1___0 : _min2___0; return; } } void xenvif_tx_credit_callback(unsigned long data ) { struct xenvif_queue *queue ; { queue = (struct xenvif_queue *)data; tx_add_credit(queue); xenvif_napi_schedule_or_enable_events(queue); return; } } static void xenvif_tx_err(struct xenvif_queue *queue , struct xen_netif_tx_request *txp , RING_IDX end ) { RING_IDX cons ; unsigned long flags ; raw_spinlock_t *tmp ; RING_IDX tmp___0 ; { cons = queue->tx.req_cons; ldv_57983: tmp = spinlock_check(& queue->response_lock); flags = _raw_spin_lock_irqsave(tmp); make_tx_response(queue, txp, -1); push_tx_responses(queue); spin_unlock_irqrestore(& queue->response_lock, flags); if (cons == end) { goto ldv_57982; } else { } tmp___0 = cons; cons = cons + 1U; txp = & (queue->tx.sring)->ring[tmp___0 & (queue->tx.nr_ents - 1U)].req; goto ldv_57983; ldv_57982: queue->tx.req_cons = cons; return; } } static void xenvif_fatal_tx_err(struct xenvif *vif ) { { netdev_err((struct net_device const *)vif->dev, "fatal error; disabling device\n"); vif->disabled = 1; if ((unsigned long )vif->queues != (unsigned long )((struct xenvif_queue *)0)) { xenvif_kick_thread(vif->queues); } else { } return; } } static int xenvif_count_requests(struct xenvif_queue *queue , struct xen_netif_tx_request *first , struct xen_netif_tx_request *txp , int work_to_do ) { RING_IDX cons ; int slots ; int drop_err ; int more_data ; struct xen_netif_tx_request dropped_tx ; long tmp ; struct _ddebug descriptor ; long tmp___0 ; int tmp___1 ; struct _ddebug descriptor___0 ; long tmp___2 ; int tmp___3 ; long tmp___4 ; { cons = queue->tx.req_cons; slots = 0; drop_err = 0; if (((unsigned int )first->flags & 4U) == 0U) { return (0); } else { } ldv_58001: dropped_tx.gref = 0U; dropped_tx.offset = (unsigned short)0; dropped_tx.flags = (unsigned short)0; dropped_tx.id = (unsigned short)0; dropped_tx.size = (unsigned short)0; if (slots >= work_to_do) { netdev_err((struct net_device const *)(queue->vif)->dev, "Asked for %d slots but exceeds this limit\n", work_to_do); xenvif_fatal_tx_err(queue->vif); return (-61); } else { } tmp = ldv__builtin_expect((unsigned int )slots >= fatal_skb_slots, 0L); if (tmp != 0L) { netdev_err((struct net_device const *)(queue->vif)->dev, "Malicious frontend using %d slots, threshold %u\n", slots, fatal_skb_slots); xenvif_fatal_tx_err(queue->vif); return (-7); } else { } if (drop_err == 0 && slots > 17) { tmp___1 = net_ratelimit(); if (tmp___1 != 0) { descriptor.modname = "xen_netback"; descriptor.function = "xenvif_count_requests"; descriptor.filename = "/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"; descriptor.format = "Too many slots (%d) exceeding limit (%d), dropping packet\n"; descriptor.lineno = 720U; descriptor.flags = 0U; tmp___0 = ldv__builtin_expect((long )descriptor.flags & 1L, 0L); if (tmp___0 != 0L) { __dynamic_netdev_dbg(& descriptor, (struct net_device const *)(queue->vif)->dev, "Too many slots (%d) exceeding limit (%d), dropping packet\n", slots, 18); } else { } } else { } drop_err = -7; } else { } if (drop_err != 0) { txp = & dropped_tx; } else { } memcpy((void *)txp, (void const *)(& (queue->tx.sring)->ring[(cons + (RING_IDX )slots) & (queue->tx.nr_ents - 1U)].req), 12UL); if (drop_err == 0 && (int )txp->size > (int )first->size) { tmp___3 = net_ratelimit(); if (tmp___3 != 0) { descriptor___0.modname = "xen_netback"; descriptor___0.function = "xenvif_count_requests"; descriptor___0.filename = "/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"; descriptor___0.format = "Invalid tx request, slot size %u > remaining size %u\n"; descriptor___0.lineno = 743U; descriptor___0.flags = 0U; tmp___2 = ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L); if (tmp___2 != 0L) { __dynamic_netdev_dbg(& descriptor___0, (struct net_device const *)(queue->vif)->dev, "Invalid tx request, slot size %u > remaining size %u\n", (int )txp->size, (int )first->size); } else { } } else { } drop_err = -5; } else { } first->size = (int )first->size - (int )txp->size; slots = slots + 1; tmp___4 = ldv__builtin_expect((unsigned int )((int )txp->offset + (int )txp->size) > 4096U, 0L); if (tmp___4 != 0L) { netdev_err((struct net_device const *)(queue->vif)->dev, "Cross page boundary, txp->offset: %u, size: %u\n", (int )txp->offset, (int )txp->size); xenvif_fatal_tx_err(queue->vif); return (-22); } else { } more_data = (int )txp->flags & 4; if (drop_err == 0) { txp = txp + 1; } else { } if (more_data != 0) { goto ldv_58001; } else { } if (drop_err != 0) { xenvif_tx_err(queue, first, cons + (RING_IDX )slots); return (drop_err); } else { } return (slots); } } __inline static void xenvif_tx_create_map_op(struct xenvif_queue *queue , u16 pending_idx , struct xen_netif_tx_request *txp , struct gnttab_map_grant_ref *mop ) { unsigned long tmp ; { queue->pages_to_map[((long )mop - (long )(& queue->tx_map_ops)) / 32L] = queue->mmap_pages[(int )pending_idx]; tmp = idx_to_kaddr(queue, (int )pending_idx); gnttab_set_map_op(mop, (phys_addr_t )tmp, 6U, txp->gref, (int )(queue->vif)->domid); memcpy((void *)(& queue->pending_tx_info[(int )pending_idx].req), (void const *)txp, 12UL); return; } } __inline static struct sk_buff *xenvif_alloc_skb(unsigned int size ) { struct sk_buff *skb ; int _max1 ; int _max2 ; struct sk_buff *tmp ; long tmp___0 ; int _max1___0 ; int _max2___0 ; unsigned char *tmp___1 ; { _max1 = 32; _max2 = 64; tmp = alloc_skb((unsigned int )(_max1 > _max2 ? _max1 : _max2) + size, 544U); skb = tmp; tmp___0 = ldv__builtin_expect((unsigned long )skb == (unsigned long )((struct sk_buff *)0), 0L); if (tmp___0 != 0L) { return ((struct sk_buff *)0); } else { } _max1___0 = 32; _max2___0 = 64; skb_reserve(skb, _max1___0 > _max2___0 ? _max1___0 : _max2___0); tmp___1 = skb_end_pointer((struct sk_buff const *)skb); ((struct skb_shared_info *)tmp___1)->destructor_arg = (void *)0; return (skb); } } static struct gnttab_map_grant_ref *xenvif_get_requests(struct xenvif_queue *queue , struct sk_buff *skb , struct xen_netif_tx_request *txp , struct gnttab_map_grant_ref *gop ) { struct skb_shared_info *shinfo ; unsigned char *tmp ; skb_frag_t *frags ; u16 pending_idx ; int start ; pending_ring_idx_t index ; unsigned int nr_slots ; unsigned int frag_overflow ; long tmp___0 ; u16 tmp___1 ; pending_ring_idx_t tmp___2 ; struct sk_buff *nskb ; struct sk_buff *tmp___3 ; int tmp___4 ; long tmp___5 ; unsigned char *tmp___6 ; pending_ring_idx_t tmp___7 ; unsigned char *tmp___8 ; { tmp = skb_end_pointer((struct sk_buff const *)skb); shinfo = (struct skb_shared_info *)tmp; frags = (skb_frag_t *)(& shinfo->frags); pending_idx = ((struct xenvif_tx_cb *)(& skb->cb))->pending_idx; frag_overflow = 0U; if ((unsigned int )shinfo->nr_frags > 17U) { frag_overflow = (unsigned int )shinfo->nr_frags - 17U; tmp___0 = ldv__builtin_expect(frag_overflow > 17U, 0L); if (tmp___0 != 0L) { __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (827), "i" (12UL)); ldv_58034: ; goto ldv_58034; } else { } shinfo->nr_frags = 17U; } else { } nr_slots = (unsigned int )shinfo->nr_frags; tmp___1 = frag_get_pending_idx((skb_frag_t *)(& shinfo->frags)); start = (int )tmp___1 == (int )pending_idx; shinfo->nr_frags = (unsigned char )start; goto ldv_58036; ldv_58035: tmp___2 = queue->pending_cons; queue->pending_cons = queue->pending_cons + 1U; index = pending_index(tmp___2); pending_idx = queue->pending_ring[index]; xenvif_tx_create_map_op(queue, (int )pending_idx, txp, gop); frag_set_pending_idx(frags + (unsigned long )shinfo->nr_frags, (int )pending_idx); shinfo->nr_frags = (unsigned char )((int )shinfo->nr_frags + 1); txp = txp + 1; gop = gop + 1; ldv_58036: ; if ((unsigned int )shinfo->nr_frags < nr_slots) { goto ldv_58035; } else { } if (frag_overflow != 0U) { tmp___3 = xenvif_alloc_skb(0U); nskb = tmp___3; tmp___5 = ldv__builtin_expect((unsigned long )nskb == (unsigned long )((struct sk_buff *)0), 0L); if (tmp___5 != 0L) { tmp___4 = net_ratelimit(); if (tmp___4 != 0) { netdev_err((struct net_device const *)(queue->vif)->dev, "Can\'t allocate the frag_list skb.\n"); } else { } return ((struct gnttab_map_grant_ref *)0); } else { } tmp___6 = skb_end_pointer((struct sk_buff const *)nskb); shinfo = (struct skb_shared_info *)tmp___6; frags = (skb_frag_t *)(& shinfo->frags); shinfo->nr_frags = 0U; goto ldv_58040; ldv_58039: tmp___7 = queue->pending_cons; queue->pending_cons = queue->pending_cons + 1U; index = pending_index(tmp___7); pending_idx = queue->pending_ring[index]; xenvif_tx_create_map_op(queue, (int )pending_idx, txp, gop); frag_set_pending_idx(frags + (unsigned long )shinfo->nr_frags, (int )pending_idx); shinfo->nr_frags = (unsigned char )((int )shinfo->nr_frags + 1); txp = txp + 1; gop = gop + 1; ldv_58040: ; if ((unsigned int )shinfo->nr_frags < frag_overflow) { goto ldv_58039; } else { } tmp___8 = skb_end_pointer((struct sk_buff const *)skb); ((struct skb_shared_info *)tmp___8)->frag_list = nskb; } else { } return (gop); } } __inline static void xenvif_grant_handle_set(struct xenvif_queue *queue , u16 pending_idx , grant_handle_t handle ) { long tmp ; { tmp = ldv__builtin_expect(queue->grant_tx_handle[(int )pending_idx] != 4294967295U, 0L); if (tmp != 0L) { netdev_err((struct net_device const *)(queue->vif)->dev, "Trying to overwrite active handle! pending_idx: 0x%x\n", (int )pending_idx); __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (879), "i" (12UL)); ldv_58047: ; goto ldv_58047; } else { } queue->grant_tx_handle[(int )pending_idx] = handle; return; } } __inline static void xenvif_grant_handle_reset(struct xenvif_queue *queue , u16 pending_idx ) { long tmp ; { tmp = ldv__builtin_expect(queue->grant_tx_handle[(int )pending_idx] == 4294967295U, 0L); if (tmp != 0L) { netdev_err((struct net_device const *)(queue->vif)->dev, "Trying to unmap invalid handle! pending_idx: 0x%x\n", (int )pending_idx); __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (892), "i" (12UL)); ldv_58052: ; goto ldv_58052; } else { } queue->grant_tx_handle[(int )pending_idx] = 4294967295U; return; } } static int xenvif_tx_check_gop(struct xenvif_queue *queue , struct sk_buff *skb , struct gnttab_map_grant_ref **gopp_map , struct gnttab_copy **gopp_copy ) { struct gnttab_map_grant_ref *gop_map ; u16 pending_idx ; struct skb_shared_info *shinfo ; unsigned char *tmp ; struct skb_shared_info *first_shinfo ; int nr_frags ; bool sharedslot ; u16 tmp___0 ; int tmp___1 ; int i ; int err ; struct _ddebug descriptor ; long tmp___2 ; int tmp___3 ; long tmp___4 ; int j ; int newerr ; long tmp___5 ; long tmp___6 ; struct _ddebug descriptor___0 ; long tmp___7 ; int tmp___8 ; unsigned char *tmp___9 ; unsigned char *tmp___10 ; unsigned char *tmp___11 ; bool tmp___12 ; { gop_map = *gopp_map; pending_idx = ((struct xenvif_tx_cb *)(& skb->cb))->pending_idx; tmp = skb_end_pointer((struct sk_buff const *)skb); shinfo = (struct skb_shared_info *)tmp; first_shinfo = (struct skb_shared_info *)0; nr_frags = (int )shinfo->nr_frags; if (nr_frags != 0) { tmp___0 = frag_get_pending_idx((skb_frag_t *)(& shinfo->frags)); if ((int )tmp___0 == (int )pending_idx) { tmp___1 = 1; } else { tmp___1 = 0; } } else { tmp___1 = 0; } sharedslot = (bool const )tmp___1; err = (int )(*gopp_copy)->status; tmp___4 = ldv__builtin_expect(err != 0, 0L); if (tmp___4 != 0L) { tmp___3 = net_ratelimit(); if (tmp___3 != 0) { descriptor.modname = "xen_netback"; descriptor.function = "xenvif_tx_check_gop"; descriptor.filename = "/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"; descriptor.format = "Grant copy of header failed! status: %d pending_idx: %u ref: %u\n"; descriptor.lineno = 925U; descriptor.flags = 0U; tmp___2 = ldv__builtin_expect((long )descriptor.flags & 1L, 0L); if (tmp___2 != 0L) { __dynamic_netdev_dbg(& descriptor, (struct net_device const *)(queue->vif)->dev, "Grant copy of header failed! status: %d pending_idx: %u ref: %u\n", (int )(*gopp_copy)->status, (int )pending_idx, (*gopp_copy)->source.u.ref); } else { } } else { } if (! sharedslot) { xenvif_idx_release(queue, (int )pending_idx, 255); } else { } } else { } *gopp_copy = *gopp_copy + 1; check_frags: i = 0; goto ldv_58081; ldv_58080: pending_idx = frag_get_pending_idx((skb_frag_t *)(& shinfo->frags) + (unsigned long )i); newerr = (int )gop_map->status; tmp___6 = ldv__builtin_expect(newerr == 0, 1L); if (tmp___6 != 0L) { xenvif_grant_handle_set(queue, (int )pending_idx, gop_map->handle); tmp___5 = ldv__builtin_expect(err != 0, 0L); if (tmp___5 != 0L) { xenvif_idx_unmap(queue, (int )pending_idx); if (i == 0 && (int )sharedslot) { xenvif_idx_release(queue, (int )pending_idx, 255); } else { xenvif_idx_release(queue, (int )pending_idx, 0); } } else { } goto ldv_58072; } else { } tmp___8 = net_ratelimit(); if (tmp___8 != 0) { descriptor___0.modname = "xen_netback"; descriptor___0.function = "xenvif_tx_check_gop"; descriptor___0.filename = "/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"; descriptor___0.format = "Grant map of %d. frag failed! status: %d pending_idx: %u ref: %u\n"; descriptor___0.lineno = 970U; descriptor___0.flags = 0U; tmp___7 = ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L); if (tmp___7 != 0L) { __dynamic_netdev_dbg(& descriptor___0, (struct net_device const *)(queue->vif)->dev, "Grant map of %d. frag failed! status: %d pending_idx: %u ref: %u\n", i, (int )gop_map->status, (int )pending_idx, gop_map->ref); } else { } } else { } xenvif_idx_release(queue, (int )pending_idx, 255); if (err != 0) { goto ldv_58072; } else { } if (! sharedslot) { xenvif_idx_release(queue, (int )((struct xenvif_tx_cb *)(& skb->cb))->pending_idx, 0); } else { } j = 0; goto ldv_58075; ldv_58074: pending_idx = frag_get_pending_idx((skb_frag_t *)(& shinfo->frags) + (unsigned long )j); xenvif_idx_unmap(queue, (int )pending_idx); xenvif_idx_release(queue, (int )pending_idx, 0); j = j + 1; ldv_58075: ; if (j < i) { goto ldv_58074; } else { } if ((unsigned long )first_shinfo != (unsigned long )((struct skb_shared_info *)0)) { j = 0; goto ldv_58078; ldv_58077: pending_idx = frag_get_pending_idx((skb_frag_t *)(& first_shinfo->frags) + (unsigned long )j); xenvif_idx_unmap(queue, (int )pending_idx); xenvif_idx_release(queue, (int )pending_idx, 0); j = j + 1; ldv_58078: ; if ((int )first_shinfo->nr_frags > j) { goto ldv_58077; } else { } } else { } err = newerr; ldv_58072: i = i + 1; gop_map = gop_map + 1; ldv_58081: ; if (i < nr_frags) { goto ldv_58080; } else { } tmp___12 = skb_has_frag_list((struct sk_buff const *)skb); if ((int )tmp___12 && (unsigned long )first_shinfo == (unsigned long )((struct skb_shared_info *)0)) { tmp___9 = skb_end_pointer((struct sk_buff const *)skb); first_shinfo = (struct skb_shared_info *)tmp___9; tmp___10 = skb_end_pointer((struct sk_buff const *)skb); tmp___11 = skb_end_pointer((struct sk_buff const *)((struct skb_shared_info *)tmp___10)->frag_list); shinfo = (struct skb_shared_info *)tmp___11; nr_frags = (int )shinfo->nr_frags; goto check_frags; } else { } *gopp_map = gop_map; return (err); } } static void xenvif_fill_frags(struct xenvif_queue *queue , struct sk_buff *skb ) { struct skb_shared_info *shinfo ; unsigned char *tmp ; int nr_frags ; int i ; u16 prev_pending_idx ; skb_frag_t *frag ; struct xen_netif_tx_request *txp ; struct page *page ; u16 pending_idx ; unsigned char *tmp___0 ; unsigned long tmp___1 ; unsigned long tmp___2 ; { tmp = skb_end_pointer((struct sk_buff const *)skb); shinfo = (struct skb_shared_info *)tmp; nr_frags = (int )shinfo->nr_frags; prev_pending_idx = 65535U; i = 0; goto ldv_58096; ldv_58095: frag = (skb_frag_t *)(& shinfo->frags) + (unsigned long )i; pending_idx = frag_get_pending_idx(frag); if ((unsigned int )prev_pending_idx == 65535U) { tmp___0 = skb_end_pointer((struct sk_buff const *)skb); ((struct skb_shared_info *)tmp___0)->destructor_arg = (void *)(& queue->pending_tx_info[(int )pending_idx].callback_struct); } else { queue->pending_tx_info[(int )prev_pending_idx].callback_struct.ctx = (void *)(& queue->pending_tx_info[(int )pending_idx].callback_struct); } queue->pending_tx_info[(int )pending_idx].callback_struct.ctx = (void *)0; prev_pending_idx = pending_idx; txp = & queue->pending_tx_info[(int )pending_idx].req; tmp___1 = idx_to_kaddr(queue, (int )pending_idx); tmp___2 = __phys_addr(tmp___1); page = (struct page *)-24189255811072L + (tmp___2 >> 12); __skb_fill_page_desc(skb, i, page, (int )txp->offset, (int )txp->size); skb->len = skb->len + (unsigned int )txp->size; skb->data_len = skb->data_len + (unsigned int )txp->size; skb->truesize = skb->truesize + (unsigned int )txp->size; get_page(queue->mmap_pages[(int )pending_idx]); i = i + 1; ldv_58096: ; if (i < nr_frags) { goto ldv_58095; } else { } return; } } static int xenvif_get_extras(struct xenvif_queue *queue , struct xen_netif_extra_info *extras , int work_to_do ) { struct xen_netif_extra_info extra ; RING_IDX cons ; int tmp ; long tmp___0 ; long tmp___1 ; { cons = queue->tx.req_cons; ldv_58105: tmp = work_to_do; work_to_do = work_to_do - 1; tmp___0 = ldv__builtin_expect(tmp <= 0, 0L); if (tmp___0 != 0L) { netdev_err((struct net_device const *)(queue->vif)->dev, "Missing extra info\n"); xenvif_fatal_tx_err(queue->vif); return (-53); } else { } memcpy((void *)(& extra), (void const *)(& (queue->tx.sring)->ring[(queue->tx.nr_ents - 1U) & cons].req), 8UL); tmp___1 = ldv__builtin_expect((long )((unsigned int )extra.type == 0U || (unsigned int )extra.type > 1U), 0L); if (tmp___1 != 0L) { cons = cons + 1U; queue->tx.req_cons = cons; netdev_err((struct net_device const *)(queue->vif)->dev, "Invalid extra type: %d\n", (int )extra.type); xenvif_fatal_tx_err(queue->vif); return (-22); } else { } memcpy((void *)(extras + ((unsigned long )extra.type + 0xffffffffffffffffUL)), (void const *)(& extra), 8UL); cons = cons + 1U; queue->tx.req_cons = cons; if ((int )extra.flags & 1) { goto ldv_58105; } else { } return (work_to_do); } } static int xenvif_set_skb_gso(struct xenvif *vif , struct sk_buff *skb , struct xen_netif_extra_info *gso ) { unsigned char *tmp ; unsigned char *tmp___0 ; unsigned char *tmp___1 ; { if ((unsigned int )gso->u.gso.size == 0U) { netdev_err((struct net_device const *)vif->dev, "GSO size must not be zero.\n"); xenvif_fatal_tx_err(vif); return (-22); } else { } switch ((int )gso->u.gso.type) { case 1: tmp = skb_end_pointer((struct sk_buff const *)skb); ((struct skb_shared_info *)tmp)->gso_type = 1U; goto ldv_58113; case 2: tmp___0 = skb_end_pointer((struct sk_buff const *)skb); ((struct skb_shared_info *)tmp___0)->gso_type = 16U; goto ldv_58113; default: netdev_err((struct net_device const *)vif->dev, "Bad GSO type %d.\n", (int )gso->u.gso.type); xenvif_fatal_tx_err(vif); return (-22); } ldv_58113: tmp___1 = skb_end_pointer((struct sk_buff const *)skb); ((struct skb_shared_info *)tmp___1)->gso_size = gso->u.gso.size; return (0); } } static int checksum_setup(struct xenvif_queue *queue , struct sk_buff *skb ) { bool recalculate_partial_csum ; bool tmp ; int tmp___0 ; { recalculate_partial_csum = 0; if ((unsigned int )*((unsigned char *)skb + 145UL) != 6U) { tmp = skb_is_gso((struct sk_buff const *)skb); if ((int )tmp) { queue->stats.rx_gso_checksum_fixup = queue->stats.rx_gso_checksum_fixup + 1UL; skb->ip_summed = 3U; recalculate_partial_csum = 1; } else { } } else { } if ((unsigned int )*((unsigned char *)skb + 145UL) != 6U) { return (0); } else { } tmp___0 = skb_checksum_setup(skb, (int )recalculate_partial_csum); return (tmp___0); } } static bool tx_credit_exceeded(struct xenvif_queue *queue , unsigned int size ) { u64 now ; u64 tmp ; u64 next_credit ; unsigned long tmp___0 ; int tmp___1 ; { tmp = get_jiffies_64(); now = tmp; tmp___0 = msecs_to_jiffies((unsigned int const )(queue->credit_usec / 1000UL)); next_credit = queue->credit_window_start + (unsigned long long )tmp___0; tmp___1 = timer_pending((struct timer_list const *)(& queue->credit_timeout)); if (tmp___1 != 0) { return (1); } else { } if ((long long )(now - next_credit) >= 0LL) { queue->credit_window_start = now; tx_add_credit(queue); } else { } if ((unsigned long )size > queue->remaining_credit) { queue->credit_timeout.data = (unsigned long )queue; ldv_mod_timer_5(& queue->credit_timeout, (unsigned long )next_credit); queue->credit_window_start = next_credit; return (1); } else { } return (0); } } static void xenvif_tx_build_gops(struct xenvif_queue *queue , int budget , unsigned int *copy_ops , unsigned int *map_ops ) { struct gnttab_map_grant_ref *gop ; struct gnttab_map_grant_ref *request_gop ; struct sk_buff *skb ; int ret ; struct xen_netif_tx_request txreq ; struct xen_netif_tx_request txfrags[18U] ; struct xen_netif_extra_info extras[1U] ; u16 pending_idx ; RING_IDX idx ; int work_to_do ; unsigned int data_len ; pending_ring_idx_t index ; unsigned int req ; unsigned int rsp ; bool tmp ; long tmp___0 ; long tmp___1 ; struct _ddebug descriptor ; long tmp___2 ; long tmp___3 ; long tmp___4 ; struct _ddebug descriptor___0 ; long tmp___5 ; long tmp___6 ; struct xen_netif_extra_info *gso ; int tmp___7 ; unsigned long tmp___8 ; unsigned char *tmp___9 ; unsigned char *tmp___10 ; unsigned char *tmp___11 ; unsigned char *tmp___12 ; __u32 tmp___13 ; { gop = (struct gnttab_map_grant_ref *)(& queue->tx_map_ops); goto ldv_58164; ldv_58163: ; if ((queue->tx.sring)->req_prod - queue->tx.req_cons > 256U) { netdev_err((struct net_device const *)(queue->vif)->dev, "Impossible number of requests. req_prod %d, req_cons %d, size %ld\n", (queue->tx.sring)->req_prod, queue->tx.req_cons, 256UL); xenvif_fatal_tx_err(queue->vif); goto ldv_58151; } else { } req = (queue->tx.sring)->req_prod - queue->tx.req_cons; rsp = queue->tx.nr_ents + (queue->tx.rsp_prod_pvt - queue->tx.req_cons); work_to_do = (int )(req < rsp ? req : rsp); if (work_to_do == 0) { goto ldv_58151; } else { } idx = queue->tx.req_cons; __asm__ volatile ("lfence": : : "memory"); memcpy((void *)(& txreq), (void const *)(& (queue->tx.sring)->ring[(queue->tx.nr_ents - 1U) & idx].req), 12UL); if ((unsigned long )txreq.size > queue->remaining_credit) { tmp = tx_credit_exceeded(queue, (unsigned int )txreq.size); if ((int )tmp) { goto ldv_58151; } else { } } else { } queue->remaining_credit = queue->remaining_credit - (unsigned long )txreq.size; work_to_do = work_to_do - 1; idx = idx + 1U; queue->tx.req_cons = idx; memset((void *)(& extras), 0, 8UL); if (((unsigned int )txreq.flags & 8U) != 0U) { work_to_do = xenvif_get_extras(queue, (struct xen_netif_extra_info *)(& extras), work_to_do); idx = queue->tx.req_cons; tmp___0 = ldv__builtin_expect(work_to_do < 0, 0L); if (tmp___0 != 0L) { goto ldv_58151; } else { } } else { } ret = xenvif_count_requests(queue, & txreq, (struct xen_netif_tx_request *)(& txfrags), work_to_do); tmp___1 = ldv__builtin_expect(ret < 0, 0L); if (tmp___1 != 0L) { goto ldv_58151; } else { } idx = idx + (RING_IDX )ret; tmp___3 = ldv__builtin_expect((unsigned int )txreq.size <= 13U, 0L); if (tmp___3 != 0L) { descriptor.modname = "xen_netback"; descriptor.function = "xenvif_tx_build_gops"; descriptor.filename = "/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"; descriptor.format = "Bad packet size: %d\n"; descriptor.lineno = 1238U; descriptor.flags = 0U; tmp___2 = ldv__builtin_expect((long )descriptor.flags & 1L, 0L); if (tmp___2 != 0L) { __dynamic_netdev_dbg(& descriptor, (struct net_device const *)(queue->vif)->dev, "Bad packet size: %d\n", (int )txreq.size); } else { } xenvif_tx_err(queue, & txreq, idx); goto ldv_58151; } else { } tmp___4 = ldv__builtin_expect((unsigned int )((int )txreq.offset + (int )txreq.size) > 4096U, 0L); if (tmp___4 != 0L) { netdev_err((struct net_device const *)(queue->vif)->dev, "txreq.offset: %u, size: %u, end: %lu\n", (int )txreq.offset, (int )txreq.size, ((unsigned long )txreq.offset & 4095UL) + (unsigned long )txreq.size); xenvif_fatal_tx_err(queue->vif); goto ldv_58151; } else { } index = pending_index(queue->pending_cons); pending_idx = queue->pending_ring[index]; data_len = (unsigned int )txreq.size <= 128U || ret > 17 ? (unsigned int )txreq.size : 128U; skb = xenvif_alloc_skb(data_len); tmp___6 = ldv__builtin_expect((unsigned long )skb == (unsigned long )((struct sk_buff *)0), 0L); if (tmp___6 != 0L) { descriptor___0.modname = "xen_netback"; descriptor___0.function = "xenvif_tx_build_gops"; descriptor___0.filename = "/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"; descriptor___0.format = "Can\'t allocate a skb in start_xmit.\n"; descriptor___0.lineno = 1263U; descriptor___0.flags = 0U; tmp___5 = ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L); if (tmp___5 != 0L) { __dynamic_netdev_dbg(& descriptor___0, (struct net_device const *)(queue->vif)->dev, "Can\'t allocate a skb in start_xmit.\n"); } else { } xenvif_tx_err(queue, & txreq, idx); goto ldv_58151; } else { } if ((unsigned int )extras[0].type != 0U) { gso = (struct xen_netif_extra_info *)(& extras); tmp___7 = xenvif_set_skb_gso(queue->vif, skb, gso); if (tmp___7 != 0) { kfree_skb(skb); goto ldv_58151; } else { } } else { } ((struct xenvif_tx_cb *)(& skb->cb))->pending_idx = pending_idx; __skb_put(skb, data_len); queue->tx_copy_ops[*copy_ops].source.u.ref = txreq.gref; queue->tx_copy_ops[*copy_ops].source.domid = (queue->vif)->domid; queue->tx_copy_ops[*copy_ops].source.offset = txreq.offset; tmp___8 = __phys_addr((unsigned long )skb->data); queue->tx_copy_ops[*copy_ops].dest.u.gmfn = pfn_to_mfn(tmp___8 >> 12); queue->tx_copy_ops[*copy_ops].dest.domid = 32752U; queue->tx_copy_ops[*copy_ops].dest.offset = (unsigned int )((uint16_t )((long )skb->data)) & 4095U; queue->tx_copy_ops[*copy_ops].len = (uint16_t )data_len; queue->tx_copy_ops[*copy_ops].flags = 1U; *copy_ops = *copy_ops + 1U; tmp___9 = skb_end_pointer((struct sk_buff const *)skb); ((struct skb_shared_info *)tmp___9)->nr_frags = (unsigned char )ret; if ((unsigned int )txreq.size > data_len) { tmp___10 = skb_end_pointer((struct sk_buff const *)skb); ((struct skb_shared_info *)tmp___10)->nr_frags = (unsigned char )((int )((struct skb_shared_info *)tmp___10)->nr_frags + 1); tmp___11 = skb_end_pointer((struct sk_buff const *)skb); frag_set_pending_idx((skb_frag_t *)(& ((struct skb_shared_info *)tmp___11)->frags), (int )pending_idx); xenvif_tx_create_map_op(queue, (int )pending_idx, & txreq, gop); gop = gop + 1; } else { tmp___12 = skb_end_pointer((struct sk_buff const *)skb); frag_set_pending_idx((skb_frag_t *)(& ((struct skb_shared_info *)tmp___12)->frags), 65535); memcpy((void *)(& queue->pending_tx_info[(int )pending_idx].req), (void const *)(& txreq), 12UL); } queue->pending_cons = queue->pending_cons + 1U; request_gop = xenvif_get_requests(queue, skb, (struct xen_netif_tx_request *)(& txfrags), gop); if ((unsigned long )request_gop == (unsigned long )((struct gnttab_map_grant_ref *)0)) { kfree_skb(skb); xenvif_tx_err(queue, & txreq, idx); goto ldv_58151; } else { } gop = request_gop; __skb_queue_tail(& queue->tx_queue, skb); queue->tx.req_cons = idx; if ((unsigned long )(((long )gop - (long )(& queue->tx_map_ops)) / 32L) > 255UL || *copy_ops > 255U) { goto ldv_58151; } else { } ldv_58164: tmp___13 = skb_queue_len((struct sk_buff_head const *)(& queue->tx_queue)); if (tmp___13 < (__u32 )budget) { goto ldv_58163; } else { } ldv_58151: *map_ops = (unsigned int )(((long )gop - (long )(& queue->tx_map_ops)) / 32L); return; } } static int xenvif_handle_frag_list(struct xenvif_queue *queue , struct sk_buff *skb ) { unsigned int offset ; unsigned int tmp ; skb_frag_t frags[17U] ; int i ; int f ; struct ubuf_info *uarg ; struct sk_buff *nskb ; unsigned char *tmp___0 ; struct page *page ; unsigned int len ; long tmp___1 ; int j ; void *tmp___2 ; int tmp___3 ; unsigned char *tmp___4 ; unsigned char *tmp___5 ; unsigned char *tmp___6 ; unsigned char *tmp___7 ; unsigned char *tmp___8 ; { tmp = skb_headlen((struct sk_buff const *)skb); offset = tmp; tmp___0 = skb_end_pointer((struct sk_buff const *)skb); nskb = ((struct skb_shared_info *)tmp___0)->frag_list; queue->stats.tx_zerocopy_sent = queue->stats.tx_zerocopy_sent + 2UL; queue->stats.tx_frag_overflow = queue->stats.tx_frag_overflow + 1UL; xenvif_fill_frags(queue, nskb); skb->truesize = skb->truesize - skb->data_len; skb->len = skb->len + nskb->len; skb->data_len = skb->data_len + nskb->len; i = 0; goto ldv_58184; ldv_58183: tmp___1 = ldv__builtin_expect((unsigned int )i > 16U, 0L); if (tmp___1 != 0L) { __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (1359), "i" (12UL)); ldv_58177: ; goto ldv_58177; } else { } page = alloc_pages(32U, 0U); if ((unsigned long )page == (unsigned long )((struct page *)0)) { skb->truesize = skb->truesize + skb->data_len; j = 0; goto ldv_58180; ldv_58179: put_page(frags[j].page.p); j = j + 1; ldv_58180: ; if (j < i) { goto ldv_58179; } else { } return (-12); } else { } if ((unsigned long )offset + 4096UL < (unsigned long )skb->len) { len = 4096U; } else { len = skb->len - offset; } tmp___2 = lowmem_page_address((struct page const *)page); tmp___3 = skb_copy_bits((struct sk_buff const *)skb, (int )offset, tmp___2, (int )len); if (tmp___3 != 0) { __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (1374), "i" (12UL)); ldv_58182: ; goto ldv_58182; } else { } offset = offset + len; frags[i].page.p = page; frags[i].page_offset = 0U; skb_frag_size_set((skb_frag_t *)(& frags) + (unsigned long )i, len); i = i + 1; ldv_58184: ; if (skb->len > offset) { goto ldv_58183; } else { } skb_frag_list_init(skb); xenvif_skb_zerocopy_prepare(queue, nskb); kfree_skb(nskb); f = 0; goto ldv_58187; ldv_58186: skb_frag_unref(skb, f); f = f + 1; ldv_58187: tmp___4 = skb_end_pointer((struct sk_buff const *)skb); if ((int )((struct skb_shared_info *)tmp___4)->nr_frags > f) { goto ldv_58186; } else { } tmp___5 = skb_end_pointer((struct sk_buff const *)skb); uarg = (struct ubuf_info *)((struct skb_shared_info *)tmp___5)->destructor_arg; atomic_inc(& queue->inflight_packets); (*(uarg->callback))(uarg, 1); tmp___6 = skb_end_pointer((struct sk_buff const *)skb); ((struct skb_shared_info *)tmp___6)->destructor_arg = (void *)0; tmp___7 = skb_end_pointer((struct sk_buff const *)skb); memcpy((void *)(& ((struct skb_shared_info *)tmp___7)->frags), (void const *)(& frags), (unsigned long )i * 16UL); tmp___8 = skb_end_pointer((struct sk_buff const *)skb); ((struct skb_shared_info *)tmp___8)->nr_frags = (unsigned char )i; skb->truesize = skb->truesize + (unsigned int )((unsigned long )i) * 4096U; return (0); } } static int xenvif_tx_submit(struct xenvif_queue *queue ) { struct gnttab_map_grant_ref *gop_map ; struct gnttab_copy *gop_copy ; struct sk_buff *skb ; int work_done ; struct xen_netif_tx_request *txp ; u16 pending_idx ; unsigned int data_len ; unsigned char *tmp ; struct sk_buff *nskb ; unsigned char *tmp___0 ; unsigned char *tmp___1 ; bool tmp___2 ; int tmp___3 ; long tmp___4 ; int tmp___5 ; int tmp___6 ; bool tmp___7 ; long tmp___8 ; struct _ddebug descriptor ; long tmp___9 ; unsigned char *tmp___10 ; int tmp___11 ; int mss ; unsigned char *tmp___12 ; int hdrlen ; unsigned char *tmp___13 ; unsigned char *tmp___14 ; unsigned int tmp___15 ; unsigned char *tmp___16 ; bool tmp___17 ; unsigned char *tmp___18 ; { gop_map = (struct gnttab_map_grant_ref *)(& queue->tx_map_ops); gop_copy = (struct gnttab_copy *)(& queue->tx_copy_ops); work_done = 0; goto ldv_58200; ldv_58205: pending_idx = ((struct xenvif_tx_cb *)(& skb->cb))->pending_idx; txp = & queue->pending_tx_info[(int )pending_idx].req; tmp___3 = xenvif_tx_check_gop(queue, skb, & gop_map, & gop_copy); tmp___4 = ldv__builtin_expect(tmp___3 != 0, 0L); if (tmp___4 != 0L) { tmp = skb_end_pointer((struct sk_buff const *)skb); ((struct skb_shared_info *)tmp)->nr_frags = 0U; tmp___2 = skb_has_frag_list((struct sk_buff const *)skb); if ((int )tmp___2) { tmp___0 = skb_end_pointer((struct sk_buff const *)skb); nskb = ((struct skb_shared_info *)tmp___0)->frag_list; tmp___1 = skb_end_pointer((struct sk_buff const *)nskb); ((struct skb_shared_info *)tmp___1)->nr_frags = 0U; } else { } kfree_skb(skb); goto ldv_58200; } else { } data_len = skb->len; queue->pending_tx_info[(int )pending_idx].callback_struct.ctx = (void *)0; if ((unsigned int )txp->size > data_len) { txp->offset = (int )txp->offset + (int )((uint16_t )data_len); txp->size = (int )txp->size - (int )((uint16_t )data_len); } else { xenvif_idx_release(queue, (int )pending_idx, 0); } if ((int )txp->flags & 1) { skb->ip_summed = 3U; } else if (((unsigned int )txp->flags & 2U) != 0U) { skb->ip_summed = 1U; } else { } xenvif_fill_frags(queue, skb); tmp___7 = skb_has_frag_list((struct sk_buff const *)skb); tmp___8 = ldv__builtin_expect((long )tmp___7, 0L); if (tmp___8 != 0L) { tmp___6 = xenvif_handle_frag_list(queue, skb); if (tmp___6 != 0) { tmp___5 = net_ratelimit(); if (tmp___5 != 0) { netdev_err((struct net_device const *)(queue->vif)->dev, "Not enough memory to consolidate frag_list!\n"); } else { } xenvif_skb_zerocopy_prepare(queue, skb); kfree_skb(skb); goto ldv_58200; } else { } } else { } skb->dev = (queue->vif)->dev; skb->protocol = eth_type_trans(skb, skb->dev); skb_reset_network_header(skb); tmp___11 = checksum_setup(queue, skb); if (tmp___11 != 0) { descriptor.modname = "xen_netback"; descriptor.function = "xenvif_tx_submit"; descriptor.filename = "/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"; descriptor.format = "Can\'t setup checksum in net_tx_action\n"; descriptor.lineno = 1471U; descriptor.flags = 0U; tmp___9 = ldv__builtin_expect((long )descriptor.flags & 1L, 0L); if (tmp___9 != 0L) { __dynamic_netdev_dbg(& descriptor, (struct net_device const *)(queue->vif)->dev, "Can\'t setup checksum in net_tx_action\n"); } else { } tmp___10 = skb_end_pointer((struct sk_buff const *)skb); if ((unsigned long )((struct skb_shared_info *)tmp___10)->destructor_arg != (unsigned long )((void *)0)) { xenvif_skb_zerocopy_prepare(queue, skb); } else { } kfree_skb(skb); goto ldv_58200; } else { } skb_probe_transport_header(skb, 0); tmp___17 = skb_is_gso((struct sk_buff const *)skb); if ((int )tmp___17) { tmp___12 = skb_end_pointer((struct sk_buff const *)skb); mss = (int )((struct skb_shared_info *)tmp___12)->gso_size; tmp___13 = skb_transport_header((struct sk_buff const *)skb); tmp___14 = skb_mac_header((struct sk_buff const *)skb); tmp___15 = tcp_hdrlen((struct sk_buff const *)skb); hdrlen = (int )(((unsigned int )((long )tmp___13) - (unsigned int )((long )tmp___14)) + tmp___15); tmp___16 = skb_end_pointer((struct sk_buff const *)skb); ((struct skb_shared_info *)tmp___16)->gso_segs = (unsigned short )((((skb->len - (unsigned int )hdrlen) + (unsigned int )mss) - 1U) / (unsigned int )mss); } else { } queue->stats.rx_bytes = queue->stats.rx_bytes + skb->len; queue->stats.rx_packets = queue->stats.rx_packets + 1U; work_done = work_done + 1; tmp___18 = skb_end_pointer((struct sk_buff const *)skb); if ((unsigned long )((struct skb_shared_info *)tmp___18)->destructor_arg != (unsigned long )((void *)0)) { xenvif_skb_zerocopy_prepare(queue, skb); queue->stats.tx_zerocopy_sent = queue->stats.tx_zerocopy_sent + 1UL; } else { } netif_receive_skb(skb); ldv_58200: skb = __skb_dequeue(& queue->tx_queue); if ((unsigned long )skb != (unsigned long )((struct sk_buff *)0)) { goto ldv_58205; } else { } return (work_done); } } void xenvif_zerocopy_callback(struct ubuf_info *ubuf , bool zerocopy_success ) { unsigned long flags ; pending_ring_idx_t index ; struct xenvif_queue *queue ; struct xenvif_queue *tmp ; raw_spinlock_t *tmp___0 ; u16 pending_idx ; long tmp___1 ; long tmp___2 ; { tmp = ubuf_to_queue((struct ubuf_info const *)ubuf); queue = tmp; tmp___0 = spinlock_check(& queue->callback_lock); flags = _raw_spin_lock_irqsave(tmp___0); ldv_58219: pending_idx = (u16 )ubuf->desc; ubuf = (struct ubuf_info *)ubuf->ctx; tmp___1 = ldv__builtin_expect(queue->dealloc_prod - queue->dealloc_cons > 255U, 0L); if (tmp___1 != 0L) { __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (1530), "i" (12UL)); ldv_58218: ; goto ldv_58218; } else { } index = pending_index(queue->dealloc_prod); queue->dealloc_ring[index] = pending_idx; __asm__ volatile ("": : : "memory"); queue->dealloc_prod = queue->dealloc_prod + 1U; if ((unsigned long )ubuf != (unsigned long )((struct ubuf_info *)0)) { goto ldv_58219; } else { } __wake_up(& queue->dealloc_wq, 3U, 1, (void *)0); spin_unlock_irqrestore(& queue->callback_lock, flags); tmp___2 = ldv__builtin_expect((long )zerocopy_success, 1L); if (tmp___2 != 0L) { queue->stats.tx_zerocopy_success = queue->stats.tx_zerocopy_success + 1UL; } else { queue->stats.tx_zerocopy_fail = queue->stats.tx_zerocopy_fail + 1UL; } xenvif_skb_zerocopy_complete(queue); return; } } __inline static void xenvif_tx_dealloc_action(struct xenvif_queue *queue ) { struct gnttab_unmap_grant_ref *gop ; pending_ring_idx_t dc ; pending_ring_idx_t dp ; u16 pending_idx ; u16 pending_idx_release[256U] ; unsigned int i ; long tmp ; pending_ring_idx_t tmp___0 ; pending_ring_idx_t tmp___1 ; unsigned long tmp___2 ; int ret ; { i = 0U; dc = queue->dealloc_cons; gop = (struct gnttab_unmap_grant_ref *)(& queue->tx_unmap_ops); ldv_58234: dp = queue->dealloc_prod; __asm__ volatile ("": : : "memory"); goto ldv_58232; ldv_58231: tmp = ldv__builtin_expect((unsigned long )(((long )gop - (long )(& queue->tx_unmap_ops)) / 24L) > 256UL, 0L); if (tmp != 0L) { __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (1569), "i" (12UL)); ldv_58230: ; goto ldv_58230; } else { } tmp___0 = dc; dc = dc + 1U; tmp___1 = pending_index(tmp___0); pending_idx = queue->dealloc_ring[tmp___1]; pending_idx_release[((long )gop - (long )(& queue->tx_unmap_ops)) / 24L] = pending_idx; queue->pages_to_unmap[((long )gop - (long )(& queue->tx_unmap_ops)) / 24L] = queue->mmap_pages[(int )pending_idx]; tmp___2 = idx_to_kaddr(queue, (int )pending_idx); gnttab_set_unmap_op(gop, (phys_addr_t )tmp___2, 2U, queue->grant_tx_handle[(int )pending_idx]); xenvif_grant_handle_reset(queue, (int )pending_idx); gop = gop + 1; ldv_58232: ; if (dc != dp) { goto ldv_58231; } else { } if (queue->dealloc_prod != dp) { goto ldv_58234; } else { } queue->dealloc_cons = dc; if ((long )gop - (long )(& queue->tx_unmap_ops) > 23L) { ret = gnttab_unmap_refs((struct gnttab_unmap_grant_ref *)(& queue->tx_unmap_ops), (struct gnttab_unmap_grant_ref *)0, (struct page **)(& queue->pages_to_unmap), (unsigned int )(((long )gop - (long )(& queue->tx_unmap_ops)) / 24L)); if (ret != 0) { netdev_err((struct net_device const *)(queue->vif)->dev, "Unmap fail: nr_ops %tu ret %d\n", ((long )gop - (long )(& queue->tx_unmap_ops)) / 24L, ret); i = 0U; goto ldv_58238; ldv_58237: ; if ((int )(gop + (unsigned long )i)->status != 0) { netdev_err((struct net_device const *)(queue->vif)->dev, " host_addr: 0x%llx handle: 0x%x status: %d\n", (gop + (unsigned long )i)->host_addr, (gop + (unsigned long )i)->handle, (int )(gop + (unsigned long )i)->status); } else { } i = i + 1U; ldv_58238: ; if ((long )i < ((long )gop - (long )(& queue->tx_unmap_ops)) / 24L) { goto ldv_58237; } else { } __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (1606), "i" (12UL)); ldv_58240: ; goto ldv_58240; } else { } } else { } i = 0U; goto ldv_58242; ldv_58241: xenvif_idx_release(queue, (int )pending_idx_release[i], 0); i = i + 1U; ldv_58242: ; if ((long )i < ((long )gop - (long )(& queue->tx_unmap_ops)) / 24L) { goto ldv_58241; } else { } return; } } int xenvif_tx_action(struct xenvif_queue *queue , int budget ) { unsigned int nr_mops ; unsigned int nr_cops ; int work_done ; int ret ; int tmp ; long tmp___0 ; long tmp___1 ; { nr_cops = 0U; tmp = tx_work_todo(queue); tmp___0 = ldv__builtin_expect(tmp == 0, 0L); if (tmp___0 != 0L) { return (0); } else { } xenvif_tx_build_gops(queue, budget, & nr_cops, & nr_mops); if (nr_cops == 0U) { return (0); } else { } gnttab_batch_copy((struct gnttab_copy *)(& queue->tx_copy_ops), nr_cops); if (nr_mops != 0U) { ret = gnttab_map_refs((struct gnttab_map_grant_ref *)(& queue->tx_map_ops), (struct gnttab_map_grant_ref *)0, (struct page **)(& queue->pages_to_map), nr_mops); tmp___1 = ldv__builtin_expect(ret != 0, 0L); if (tmp___1 != 0L) { __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (1636), "i" (12UL)); ldv_58252: ; goto ldv_58252; } else { } } else { } work_done = xenvif_tx_submit(queue); return (work_done); } } static void xenvif_idx_release(struct xenvif_queue *queue , u16 pending_idx , u8 status ) { struct pending_tx_info *pending_tx_info ; pending_ring_idx_t index ; unsigned long flags ; raw_spinlock_t *tmp ; pending_ring_idx_t tmp___0 ; { pending_tx_info = (struct pending_tx_info *)(& queue->pending_tx_info) + (unsigned long )pending_idx; tmp = spinlock_check(& queue->response_lock); flags = _raw_spin_lock_irqsave(tmp); make_tx_response(queue, & pending_tx_info->req, (int )((s8 )status)); tmp___0 = queue->pending_prod; queue->pending_prod = queue->pending_prod + 1U; index = pending_index(tmp___0); queue->pending_ring[index] = pending_idx; push_tx_responses(queue); spin_unlock_irqrestore(& queue->response_lock, flags); return; } } static void make_tx_response(struct xenvif_queue *queue , struct xen_netif_tx_request *txp , s8 st ) { RING_IDX i ; struct xen_netif_tx_response *resp ; { i = queue->tx.rsp_prod_pvt; resp = & (queue->tx.sring)->ring[(queue->tx.nr_ents - 1U) & i].rsp; resp->id = txp->id; resp->status = (int16_t )st; if (((unsigned int )txp->flags & 8U) != 0U) { i = i + 1U; (queue->tx.sring)->ring[i & (queue->tx.nr_ents - 1U)].rsp.status = 1; } else { } i = i + 1U; queue->tx.rsp_prod_pvt = i; return; } } static void push_tx_responses(struct xenvif_queue *queue ) { int notify ; RING_IDX __old ; RING_IDX __new ; { __old = (queue->tx.sring)->rsp_prod; __new = queue->tx.rsp_prod_pvt; __asm__ volatile ("sfence": : : "memory"); (queue->tx.sring)->rsp_prod = __new; __asm__ volatile ("mfence": : : "memory"); notify = __new - (queue->tx.sring)->rsp_event < __new - __old; if (notify != 0) { notify_remote_via_irq((int )queue->tx_irq); } else { } return; } } static struct xen_netif_rx_response *make_rx_response(struct xenvif_queue *queue , u16 id , s8 st , u16 offset , u16 size , u16 flags ) { RING_IDX i ; struct xen_netif_rx_response *resp ; { i = queue->rx.rsp_prod_pvt; resp = & (queue->rx.sring)->ring[(queue->rx.nr_ents - 1U) & i].rsp; resp->offset = offset; resp->flags = flags; resp->id = id; resp->status = (short )size; if ((int )st < 0) { resp->status = (short )st; } else { } i = i + 1U; queue->rx.rsp_prod_pvt = i; return (resp); } } void xenvif_idx_unmap(struct xenvif_queue *queue , u16 pending_idx ) { int ret ; struct gnttab_unmap_grant_ref tx_unmap_op ; unsigned long tmp ; { tmp = idx_to_kaddr(queue, (int )pending_idx); gnttab_set_unmap_op(& tx_unmap_op, (phys_addr_t )tmp, 2U, queue->grant_tx_handle[(int )pending_idx]); xenvif_grant_handle_reset(queue, (int )pending_idx); ret = gnttab_unmap_refs(& tx_unmap_op, (struct gnttab_unmap_grant_ref *)0, (struct page **)(& queue->mmap_pages) + (unsigned long )pending_idx, 1U); if (ret != 0) { netdev_err((struct net_device const *)(queue->vif)->dev, "Unmap fail: ret: %d pending_idx: %d host_addr: %llx handle: 0x%x status: %d\n", ret, (int )pending_idx, tx_unmap_op.host_addr, tx_unmap_op.handle, (int )tx_unmap_op.status); __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (1740), "i" (12UL)); ldv_58293: ; goto ldv_58293; } else { } return; } } __inline static int tx_work_todo(struct xenvif_queue *queue ) { unsigned int req ; unsigned int rsp ; long tmp ; { req = (queue->tx.sring)->req_prod - queue->tx.req_cons; rsp = queue->tx.nr_ents + (queue->tx.rsp_prod_pvt - queue->tx.req_cons); tmp = ldv__builtin_expect((req < rsp ? req : rsp) != 0U, 1L); if (tmp != 0L) { return (1); } else { } return (0); } } __inline static bool tx_dealloc_work_todo(struct xenvif_queue *queue ) { { return (queue->dealloc_cons != queue->dealloc_prod); } } void xenvif_unmap_frontend_rings(struct xenvif_queue *queue ) { struct xenbus_device *tmp ; struct xenbus_device *tmp___0 ; { if ((unsigned long )queue->tx.sring != (unsigned long )((struct xen_netif_tx_sring *)0)) { tmp = xenvif_to_xenbus_device(queue->vif); xenbus_unmap_ring_vfree(tmp, (void *)queue->tx.sring); } else { } if ((unsigned long )queue->rx.sring != (unsigned long )((struct xen_netif_rx_sring *)0)) { tmp___0 = xenvif_to_xenbus_device(queue->vif); xenbus_unmap_ring_vfree(tmp___0, (void *)queue->rx.sring); } else { } return; } } int xenvif_map_frontend_rings(struct xenvif_queue *queue , grant_ref_t tx_ring_ref , grant_ref_t rx_ring_ref ) { void *addr ; struct xen_netif_tx_sring *txs ; struct xen_netif_rx_sring *rxs ; int err ; struct xenbus_device *tmp ; struct xenbus_device *tmp___0 ; { err = -12; tmp = xenvif_to_xenbus_device(queue->vif); err = xenbus_map_ring_valloc(tmp, & tx_ring_ref, 1U, & addr); if (err != 0) { goto err; } else { } txs = (struct xen_netif_tx_sring *)addr; queue->tx.rsp_prod_pvt = 0U; queue->tx.req_cons = 0U; queue->tx.nr_ents = 256U; queue->tx.sring = txs; tmp___0 = xenvif_to_xenbus_device(queue->vif); err = xenbus_map_ring_valloc(tmp___0, & rx_ring_ref, 1U, & addr); if (err != 0) { goto err; } else { } rxs = (struct xen_netif_rx_sring *)addr; queue->rx.rsp_prod_pvt = 0U; queue->rx.req_cons = 0U; queue->rx.nr_ents = 256U; queue->rx.sring = rxs; return (0); err: xenvif_unmap_frontend_rings(queue); return (err); } } static void xenvif_queue_carrier_off(struct xenvif_queue *queue ) { struct xenvif *vif ; unsigned int tmp ; { vif = queue->vif; queue->stalled = 1; spin_lock(& vif->lock); tmp = vif->stalled_queues; vif->stalled_queues = vif->stalled_queues + 1U; if (tmp == 0U) { netdev_info((struct net_device const *)vif->dev, "Guest Rx stalled"); netif_carrier_off(vif->dev); } else { } spin_unlock(& vif->lock); return; } } static void xenvif_queue_carrier_on(struct xenvif_queue *queue ) { struct xenvif *vif ; { vif = queue->vif; queue->last_rx_time = jiffies; queue->stalled = 0; spin_lock(& vif->lock); vif->stalled_queues = vif->stalled_queues - 1U; if (vif->stalled_queues == 0U) { netdev_info((struct net_device const *)vif->dev, "Guest Rx ready"); netif_carrier_on(vif->dev); } else { } spin_unlock(& vif->lock); return; } } static bool xenvif_rx_queue_stalled(struct xenvif_queue *queue ) { RING_IDX prod ; RING_IDX cons ; { prod = (queue->rx.sring)->req_prod; cons = queue->rx.req_cons; return ((bool )((! queue->stalled && prod - cons <= 17U) && (long )((queue->last_rx_time + (queue->vif)->stall_timeout) - (unsigned long )jiffies) < 0L)); } } static bool xenvif_rx_queue_ready(struct xenvif_queue *queue ) { RING_IDX prod ; RING_IDX cons ; { prod = (queue->rx.sring)->req_prod; cons = queue->rx.req_cons; return ((bool )((int )queue->stalled && prod - cons > 17U)); } } static bool xenvif_have_rx_work(struct xenvif_queue *queue ) { int tmp ; bool tmp___0 ; bool tmp___1 ; bool tmp___2 ; bool tmp___3 ; int tmp___4 ; { tmp = skb_queue_empty((struct sk_buff_head const *)(& queue->rx_queue)); if (tmp == 0) { tmp___0 = xenvif_rx_ring_slots_available(queue, 18); if ((int )tmp___0) { tmp___4 = 1; } else { goto _L___0; } } else _L___0: /* CIL Label */ if ((queue->vif)->stall_timeout != 0UL) { tmp___1 = xenvif_rx_queue_stalled(queue); if ((int )tmp___1) { tmp___4 = 1; } else { tmp___2 = xenvif_rx_queue_ready(queue); if ((int )tmp___2) { tmp___4 = 1; } else { goto _L; } } } else { _L: /* CIL Label */ tmp___3 = kthread_should_stop(); if ((int )tmp___3) { tmp___4 = 1; } else if ((int )(queue->vif)->disabled) { tmp___4 = 1; } else { tmp___4 = 0; } } return ((bool )tmp___4); } } static long xenvif_rx_queue_timeout(struct xenvif_queue *queue ) { struct sk_buff *skb ; long timeout ; { skb = skb_peek((struct sk_buff_head const *)(& queue->rx_queue)); if ((unsigned long )skb == (unsigned long )((struct sk_buff *)0)) { return (9223372036854775807L); } else { } timeout = (long )(((struct xenvif_rx_cb *)(& skb->cb))->expires - (unsigned long )jiffies); return (0L > timeout ? 0L : timeout); } } static void xenvif_wait_for_rx_work(struct xenvif_queue *queue ) { wait_queue_t wait ; struct task_struct *tmp ; bool tmp___0 ; long ret ; bool tmp___1 ; long tmp___2 ; { tmp = get_current(); wait.flags = 0U; wait.private = (void *)tmp; wait.func = & autoremove_wake_function; wait.task_list.next = & wait.task_list; wait.task_list.prev = & wait.task_list; tmp___0 = xenvif_have_rx_work(queue); if ((int )tmp___0) { return; } else { } ldv_58354: prepare_to_wait(& queue->wq, & wait, 1); tmp___1 = xenvif_have_rx_work(queue); if ((int )tmp___1) { goto ldv_58353; } else { } tmp___2 = xenvif_rx_queue_timeout(queue); ret = schedule_timeout(tmp___2); if (ret == 0L) { goto ldv_58353; } else { } goto ldv_58354; ldv_58353: finish_wait(& queue->wq, & wait); return; } } int xenvif_kthread_guest_rx(void *data ) { struct xenvif_queue *queue ; struct xenvif *vif ; bool tmp ; long tmp___0 ; int tmp___1 ; bool tmp___2 ; bool tmp___3 ; { queue = (struct xenvif_queue *)data; vif = queue->vif; if (vif->stall_timeout == 0UL) { xenvif_queue_carrier_on(queue); } else { } ldv_58362: xenvif_wait_for_rx_work(queue); tmp = kthread_should_stop(); if ((int )tmp) { goto ldv_58360; } else { } tmp___0 = ldv__builtin_expect((long )((int )vif->disabled && queue->id == 0U), 0L); if (tmp___0 != 0L) { xenvif_carrier_off(vif); goto ldv_58360; } else { } tmp___1 = skb_queue_empty((struct sk_buff_head const *)(& queue->rx_queue)); if (tmp___1 == 0) { xenvif_rx_action(queue); } else { } if (vif->stall_timeout != 0UL) { tmp___3 = xenvif_rx_queue_stalled(queue); if ((int )tmp___3) { xenvif_queue_carrier_off(queue); } else { tmp___2 = xenvif_rx_queue_ready(queue); if ((int )tmp___2) { xenvif_queue_carrier_on(queue); } else { } } } else { } xenvif_rx_queue_drop_expired(queue); xenvif_rx_queue_maybe_wake(queue); ___might_sleep("/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c", 1958, 0); _cond_resched(); goto ldv_58362; ldv_58360: xenvif_rx_queue_purge(queue); return (0); } } static bool xenvif_dealloc_kthread_should_stop(struct xenvif_queue *queue ) { bool tmp ; int tmp___0 ; int tmp___1 ; { tmp = kthread_should_stop(); if ((int )tmp) { tmp___0 = atomic_read((atomic_t const *)(& queue->inflight_packets)); if (tmp___0 == 0) { tmp___1 = 1; } else { tmp___1 = 0; } } else { tmp___1 = 0; } return ((bool )tmp___1); } } int xenvif_dealloc_kthread(void *data ) { struct xenvif_queue *queue ; int __ret ; wait_queue_t __wait ; long __ret___0 ; long __int ; long tmp ; bool tmp___0 ; bool tmp___1 ; bool tmp___2 ; int tmp___3 ; bool tmp___4 ; int tmp___5 ; bool tmp___6 ; bool tmp___7 ; { queue = (struct xenvif_queue *)data; ldv_58381: __ret = 0; __might_sleep("/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c", 1983, 0); tmp___2 = tx_dealloc_work_todo(queue); if (tmp___2) { tmp___3 = 0; } else { tmp___3 = 1; } if (tmp___3) { tmp___4 = xenvif_dealloc_kthread_should_stop(queue); if (tmp___4) { tmp___5 = 0; } else { tmp___5 = 1; } if (tmp___5) { __ret___0 = 0L; INIT_LIST_HEAD(& __wait.task_list); __wait.flags = 0U; ldv_58376: tmp = prepare_to_wait_event(& queue->dealloc_wq, & __wait, 1); __int = tmp; tmp___0 = tx_dealloc_work_todo(queue); if ((int )tmp___0) { goto ldv_58375; } else { tmp___1 = xenvif_dealloc_kthread_should_stop(queue); if ((int )tmp___1) { goto ldv_58375; } else { } } if (__int != 0L) { __ret___0 = __int; goto ldv_58375; } else { } schedule(); goto ldv_58376; ldv_58375: finish_wait(& queue->dealloc_wq, & __wait); __ret = (int )__ret___0; } else { } } else { } tmp___6 = xenvif_dealloc_kthread_should_stop(queue); if ((int )tmp___6) { goto ldv_58379; } else { } xenvif_tx_dealloc_action(queue); ___might_sleep("/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c", 1988, 0); _cond_resched(); goto ldv_58381; ldv_58379: tmp___7 = tx_dealloc_work_todo(queue); if ((int )tmp___7) { xenvif_tx_dealloc_action(queue); } else { } return (0); } } static int netback_init(void) { int rc ; long tmp ; bool tmp___0 ; { rc = 0; if ((unsigned int )xen_domain_type == 0U) { return (-19); } else { } xenvif_max_queues = cpumask_weight(cpu_online_mask); if (fatal_skb_slots <= 17U) { printk("\016xen_netback:%s: fatal_skb_slots too small (%d), bump it to XEN_NETBK_LEGACY_SLOTS_MAX (%d)\n", "netback_init", fatal_skb_slots, 18); fatal_skb_slots = 18U; } else { } rc = xenvif_xenbus_init(); if (rc != 0) { goto failed_init; } else { } xen_netback_dbg_root = debugfs_create_dir("xen-netback", (struct dentry *)0); tmp___0 = IS_ERR_OR_NULL((void const *)xen_netback_dbg_root); if ((int )tmp___0) { tmp = PTR_ERR((void const *)xen_netback_dbg_root); printk("\fxen_netback:%s: Init of debugfs returned %ld!\n", "netback_init", tmp); } else { } return (0); failed_init: ; return (rc); } } static void netback_fini(void) { bool tmp ; int tmp___0 ; { tmp = IS_ERR_OR_NULL((void const *)xen_netback_dbg_root); if (tmp) { tmp___0 = 0; } else { tmp___0 = 1; } if (tmp___0) { debugfs_remove_recursive(xen_netback_dbg_root); } else { } xenvif_xenbus_fini(); return; } } int ldv_retval_1 ; extern void ldv_initialize(void) ; void ldv_check_final_state(void) ; void ldv_main_exported_4(void) ; void ldv_main_exported_5(void) ; void ldv_main_exported_3(void) ; void ldv_main_exported_2(void) ; int main(void) { int tmp ; int tmp___0 ; { ldv_initialize(); ldv_state_variable_4 = 0; ldv_state_variable_1 = 1; ref_cnt = 0; ldv_state_variable_0 = 1; ldv_state_variable_3 = 0; ldv_state_variable_2 = 0; ldv_state_variable_5 = 0; ldv_58436: tmp = __VERIFIER_nondet_int(); switch (tmp) { case 0: ; if (ldv_state_variable_4 != 0) { ldv_main_exported_4(); } else { } goto ldv_58424; case 1: ; goto ldv_58424; case 2: ; if (ldv_state_variable_0 != 0) { tmp___0 = __VERIFIER_nondet_int(); switch (tmp___0) { case 0: ; if (ldv_state_variable_0 == 3 && ref_cnt == 0) { netback_fini(); ldv_state_variable_0 = 2; goto ldv_final; } else { } goto ldv_58429; case 1: ; if (ldv_state_variable_0 == 1) { ldv_retval_1 = netback_init(); if (ldv_retval_1 == 0) { ldv_state_variable_0 = 3; ldv_state_variable_5 = 1; ldv_file_operations_5(); ldv_state_variable_3 = 1; ldv_initialize_ethtool_ops_3(); ldv_state_variable_4 = 1; ldv_initialize_xenbus_driver_4(); } else { } if (ldv_retval_1 != 0) { ldv_state_variable_0 = 2; goto ldv_final; } else { } } else { } goto ldv_58429; default: ldv_stop(); } ldv_58429: ; } else { } goto ldv_58424; case 3: ; if (ldv_state_variable_3 != 0) { ldv_main_exported_3(); } else { } goto ldv_58424; case 4: ; if (ldv_state_variable_2 != 0) { ldv_main_exported_2(); } else { } goto ldv_58424; case 5: ; if (ldv_state_variable_5 != 0) { ldv_main_exported_5(); } else { } goto ldv_58424; default: ldv_stop(); } ldv_58424: ; goto ldv_58436; ldv_final: ldv_check_final_state(); return 0; } } __inline static long PTR_ERR(void const *ptr ) { long tmp ; { tmp = ldv_ptr_err(ptr); return (tmp); } } __inline static bool IS_ERR_OR_NULL(void const *ptr ) { bool tmp ; { tmp = ldv_is_err_or_null(ptr); return (tmp); } } int ldv_mod_timer_5(struct timer_list *ldv_func_arg1 , unsigned long ldv_func_arg2 ) { ldv_func_ret_type ldv_func_res ; int tmp ; { tmp = mod_timer(ldv_func_arg1, ldv_func_arg2); ldv_func_res = tmp; activate_pending_timer_1(ldv_func_arg1, ldv_func_arg2, 1); return (ldv_func_res); } } __inline static long ldv__builtin_expect(long exp , long c ) ; extern struct module __this_module ; extern void __dynamic_pr_debug(struct _ddebug * , char const * , ...) ; extern unsigned long simple_strtoul(char const * , char ** , unsigned int ) ; extern int snprintf(char * , size_t , char const * , ...) ; bool ldv_is_err(void const *ptr ) ; extern int memcmp(void const * , void const * , size_t ) ; extern size_t strlen(char const * ) ; extern char *strcpy(char * , char const * ) ; extern int strncmp(char const * , char const * , __kernel_size_t ) ; __inline static long PTR_ERR(void const *ptr ) ; __inline static bool IS_ERR(void const *ptr ) ; __inline static bool IS_ERR_OR_NULL(void const *ptr ) ; extern int mod_timer_pending(struct timer_list * , unsigned long ) ; int ldv_mod_timer_pending_11(struct timer_list *ldv_func_arg1 , unsigned long ldv_func_arg2 ) ; extern int kobject_uevent(struct kobject * , enum kobject_action ) ; extern int add_uevent_var(struct kobj_uevent_env * , char const * , ...) ; extern void kfree(void const * ) ; extern void *__kmalloc(size_t , gfp_t ) ; __inline static void *kmalloc(size_t size , gfp_t flags ) { void *tmp___2 ; { tmp___2 = __kmalloc(size, flags); return (tmp___2); } } __inline static void *kzalloc(size_t size , gfp_t flags ) { void *tmp ; { tmp = kmalloc(size, flags | 32768U); return (tmp); } } extern ssize_t seq_read(struct file * , char * , size_t , loff_t * ) ; extern loff_t seq_lseek(struct file * , loff_t , int ) ; extern int seq_printf(struct seq_file * , char const * , ...) ; extern int single_open(struct file * , int (*)(struct seq_file * , void * ) , void * ) ; extern int single_release(struct inode * , struct file * ) ; __inline static void *dev_get_drvdata(struct device const *dev ) { { return ((void *)dev->driver_data); } } __inline static void dev_set_drvdata(struct device *dev , void *data ) { { dev->driver_data = data; return; } } extern void device_unregister(struct device * ) ; extern ssize_t simple_write_to_buffer(void * , size_t , loff_t * , void const * , size_t ) ; __inline static void netif_tx_wake_all_queues(struct net_device *dev ) { unsigned int i ; struct netdev_queue *txq ; struct netdev_queue *tmp ; { i = 0U; goto ldv_42495; ldv_42494: tmp = netdev_get_tx_queue((struct net_device const *)dev, i); txq = tmp; netif_tx_wake_queue(txq); i = i + 1U; ldv_42495: ; if (dev->num_tx_queues > i) { goto ldv_42494; } else { } return; } } __inline static bool netif_tx_queue_stopped(struct netdev_queue const *dev_queue ) { int tmp ; { tmp = constant_test_bit(0L, (unsigned long const volatile *)(& dev_queue->state)); return (tmp != 0); } } extern int netif_set_real_num_tx_queues(struct net_device * , unsigned int ) ; extern int netif_set_real_num_rx_queues(struct net_device * , unsigned int ) ; extern void netdev_warn(struct net_device const * , char const * , ...) ; extern int __xenbus_register_backend(struct xenbus_driver * , struct module * , char const * ) ; extern void *xenbus_read(struct xenbus_transaction , char const * , char const * , unsigned int * ) ; extern int xenbus_rm(struct xenbus_transaction , char const * , char const * ) ; extern int xenbus_transaction_start(struct xenbus_transaction * ) ; extern int xenbus_transaction_end(struct xenbus_transaction , int ) ; extern int xenbus_scanf(struct xenbus_transaction , char const * , char const * , char const * , ...) ; extern int xenbus_printf(struct xenbus_transaction , char const * , char const * , char const * , ...) ; extern int xenbus_gather(struct xenbus_transaction , char const * , ...) ; extern int register_xenbus_watch(struct xenbus_watch * ) ; extern void unregister_xenbus_watch(struct xenbus_watch * ) ; extern int xenbus_watch_pathfmt(struct xenbus_device * , struct xenbus_watch * , void (*)(struct xenbus_watch * , char const ** , unsigned int ) , char const * , ...) ; extern int xenbus_switch_state(struct xenbus_device * , enum xenbus_state ) ; extern void xenbus_dev_fatal(struct xenbus_device * , int , char const * , ...) ; extern char const *xenbus_strstate(enum xenbus_state ) ; extern int xenbus_dev_is_online(struct xenbus_device * ) ; extern struct dentry *debugfs_create_file(char const * , umode_t , struct dentry * , void * , struct file_operations const * ) ; struct xenvif *xenvif_alloc(struct device *parent , domid_t domid , unsigned int handle ) ; int xenvif_init_queue(struct xenvif_queue *queue ) ; void xenvif_deinit_queue(struct xenvif_queue *queue ) ; int xenvif_connect(struct xenvif_queue *queue , unsigned long tx_ring_ref , unsigned long rx_ring_ref , unsigned int tx_evtchn , unsigned int rx_evtchn ) ; void xenvif_disconnect(struct xenvif *vif ) ; void xenvif_free(struct xenvif *vif ) ; void xenvif_carrier_on(struct xenvif *vif ) ; __inline static pending_ring_idx_t nr_pending_reqs(struct xenvif_queue *queue ) { { return ((queue->pending_cons - queue->pending_prod) + 256U); } } irqreturn_t xenvif_interrupt(int irq , void *dev_id ) ; extern void *vzalloc(unsigned long ) ; extern void vfree(void const * ) ; extern void rtnl_lock(void) ; extern void rtnl_unlock(void) ; static int connect_rings(struct backend_info *be , struct xenvif_queue *queue ) ; static void connect(struct backend_info *be ) ; static int read_xenbus_vif_flags(struct backend_info *be ) ; static int backend_create_xenvif(struct backend_info *be ) ; static void unregister_hotplug_status_watch(struct backend_info *be ) ; static void xen_unregister_watchers(struct xenvif *vif ) ; static void set_backend_state(struct backend_info *be , enum xenbus_state state ) ; struct dentry *xen_netback_dbg_root = (struct dentry *)0; static int xenvif_read_io_ring(struct seq_file *m , void *v ) { struct xenvif_queue *queue ; struct xen_netif_tx_back_ring *tx_ring ; struct xen_netif_rx_back_ring *rx_ring ; struct netdev_queue *dev_queue ; struct xen_netif_tx_sring *sring ; pending_ring_idx_t tmp ; struct xen_netif_rx_sring *sring___0 ; int tmp___0 ; __u32 tmp___1 ; bool tmp___2 ; __u32 tmp___3 ; { queue = (struct xenvif_queue *)m->private; tx_ring = & queue->tx; rx_ring = & queue->rx; if ((unsigned long )tx_ring->sring != (unsigned long )((struct xen_netif_tx_sring *)0)) { sring = tx_ring->sring; seq_printf(m, "Queue %d\nTX: nr_ents %u\n", queue->id, tx_ring->nr_ents); seq_printf(m, "req prod %u (%d) cons %u (%d) event %u (%d)\n", sring->req_prod, sring->req_prod - sring->rsp_prod, tx_ring->req_cons, tx_ring->req_cons - sring->rsp_prod, sring->req_event, sring->req_event - sring->rsp_prod); seq_printf(m, "rsp prod %u (base) pvt %u (%d) event %u (%d)\n", sring->rsp_prod, tx_ring->rsp_prod_pvt, tx_ring->rsp_prod_pvt - sring->rsp_prod, sring->rsp_event, sring->rsp_event - sring->rsp_prod); tmp = nr_pending_reqs(queue); seq_printf(m, "pending prod %u pending cons %u nr_pending_reqs %u\n", queue->pending_prod, queue->pending_cons, tmp); seq_printf(m, "dealloc prod %u dealloc cons %u dealloc_queue %u\n\n", queue->dealloc_prod, queue->dealloc_cons, queue->dealloc_prod - queue->dealloc_cons); } else { } if ((unsigned long )rx_ring->sring != (unsigned long )((struct xen_netif_rx_sring *)0)) { sring___0 = rx_ring->sring; seq_printf(m, "RX: nr_ents %u\n", rx_ring->nr_ents); seq_printf(m, "req prod %u (%d) cons %u (%d) event %u (%d)\n", sring___0->req_prod, sring___0->req_prod - sring___0->rsp_prod, rx_ring->req_cons, rx_ring->req_cons - sring___0->rsp_prod, sring___0->req_event, sring___0->req_event - sring___0->rsp_prod); seq_printf(m, "rsp prod %u (base) pvt %u (%d) event %u (%d)\n\n", sring___0->rsp_prod, rx_ring->rsp_prod_pvt, rx_ring->rsp_prod_pvt - sring___0->rsp_prod, sring___0->rsp_event, sring___0->rsp_event - sring___0->rsp_prod); } else { } tmp___0 = timer_pending((struct timer_list const *)(& queue->credit_timeout)); tmp___1 = skb_queue_len((struct sk_buff_head const *)(& queue->tx_queue)); seq_printf(m, "NAPI state: %lx NAPI weight: %d TX queue len %u\nCredit timer_pending: %d, credit: %lu, usec: %lu\nremaining: %lu, expires: %lu, now: %lu\n", queue->napi.state, queue->napi.weight, tmp___1, tmp___0, queue->credit_bytes, queue->credit_usec, queue->remaining_credit, queue->credit_timeout.expires, jiffies); dev_queue = netdev_get_tx_queue((struct net_device const *)(queue->vif)->dev, queue->id); tmp___2 = netif_tx_queue_stopped((struct netdev_queue const *)dev_queue); tmp___3 = skb_queue_len((struct sk_buff_head const *)(& queue->rx_queue)); seq_printf(m, "\nRx internal queue: len %u max %u pkts %u %s\n", queue->rx_queue_len, queue->rx_queue_max, tmp___3, (int )tmp___2 ? (char *)"stopped" : (char *)"running"); return (0); } } static ssize_t xenvif_write_io_ring(struct file *filp , char const *buf , size_t count , loff_t *ppos ) { struct xenvif_queue *queue ; int len ; char write[32U] ; ssize_t tmp ; int tmp___0 ; { queue = (struct xenvif_queue *)((struct seq_file *)filp->private_data)->private; if (*ppos != 0LL) { return (0L); } else { } if (count > 31UL) { return (-28L); } else { } tmp = simple_write_to_buffer((void *)(& write), 31UL, ppos, (void const *)buf, count); len = (int )tmp; if (len < 0) { return ((ssize_t )len); } else { } write[len] = 0; tmp___0 = strncmp((char const *)(& write), "kick", 4UL); if (tmp___0 == 0) { xenvif_interrupt(0, (void *)queue); } else { printk("\fxen_netback:%s: Unknown command to io_ring_q%d. Available: kick\n", "xenvif_write_io_ring", queue->id); count = 0xffffffffffffffeaUL; } return ((ssize_t )count); } } static int xenvif_dump_open(struct inode *inode , struct file *filp ) { int ret ; void *queue ; { queue = (void *)0; if ((unsigned long )inode->i_private != (unsigned long )((void *)0)) { queue = inode->i_private; } else { } ret = single_open(filp, & xenvif_read_io_ring, queue); filp->f_mode = filp->f_mode | 16U; return (ret); } } static struct file_operations const xenvif_dbg_io_ring_ops_fops = {& __this_module, & seq_lseek, & seq_read, & xenvif_write_io_ring, 0, 0, 0, 0, 0, 0, 0, 0, & xenvif_dump_open, 0, & single_release, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; static void xenvif_debugfs_addif(struct xenvif *vif ) { struct dentry *pfile ; int i ; bool tmp ; char filename[14U] ; long tmp___0 ; bool tmp___1 ; long tmp___2 ; bool tmp___3 ; int tmp___4 ; { tmp = IS_ERR_OR_NULL((void const *)xen_netback_dbg_root); if ((int )tmp) { return; } else { } vif->xenvif_dbg_root = debugfs_create_dir((char const *)(& (vif->dev)->name), xen_netback_dbg_root); tmp___3 = IS_ERR_OR_NULL((void const *)vif->xenvif_dbg_root); if (tmp___3) { tmp___4 = 0; } else { tmp___4 = 1; } if (tmp___4) { i = 0; goto ldv_45203; ldv_45202: snprintf((char *)(& filename), 14UL, "io_ring_q%d", i); pfile = debugfs_create_file((char const *)(& filename), 384, vif->xenvif_dbg_root, (void *)vif->queues + (unsigned long )i, & xenvif_dbg_io_ring_ops_fops); tmp___1 = IS_ERR_OR_NULL((void const *)pfile); if ((int )tmp___1) { tmp___0 = PTR_ERR((void const *)pfile); printk("\fxen_netback:%s: Creation of io_ring file returned %ld!\n", "xenvif_debugfs_addif", tmp___0); } else { } i = i + 1; ldv_45203: ; if ((unsigned int )i < vif->num_queues) { goto ldv_45202; } else { } } else { tmp___2 = PTR_ERR((void const *)vif->xenvif_dbg_root); netdev_warn((struct net_device const *)vif->dev, "Creation of vif debugfs dir returned %ld!\n", tmp___2); } return; } } static void xenvif_debugfs_delif(struct xenvif *vif ) { bool tmp ; bool tmp___0 ; int tmp___1 ; { tmp = IS_ERR_OR_NULL((void const *)xen_netback_dbg_root); if ((int )tmp) { return; } else { } tmp___0 = IS_ERR_OR_NULL((void const *)vif->xenvif_dbg_root); if (tmp___0) { tmp___1 = 0; } else { tmp___1 = 1; } if (tmp___1) { debugfs_remove_recursive(vif->xenvif_dbg_root); } else { } vif->xenvif_dbg_root = (struct dentry *)0; return; } } static int netback_remove(struct xenbus_device *dev ) { struct backend_info *be ; void *tmp ; struct xenbus_transaction __constr_expr_0 ; { tmp = dev_get_drvdata((struct device const *)(& dev->dev)); be = (struct backend_info *)tmp; set_backend_state(be, 6); unregister_hotplug_status_watch(be); if ((unsigned long )be->vif != (unsigned long )((struct xenvif *)0)) { kobject_uevent(& dev->dev.kobj, 5); xen_unregister_watchers(be->vif); __constr_expr_0.id = 0U; xenbus_rm(__constr_expr_0, dev->nodename, "hotplug-status"); xenvif_free(be->vif); be->vif = (struct xenvif *)0; } else { } kfree((void const *)be->hotplug_script); kfree((void const *)be); dev_set_drvdata(& dev->dev, (void *)0); return (0); } } static int netback_probe(struct xenbus_device *dev , struct xenbus_device_id const *id ) { char const *message ; struct xenbus_transaction xbt ; int err ; int sg ; char const *script ; struct backend_info *be ; void *tmp ; struct xenbus_transaction __constr_expr_0 ; struct _ddebug descriptor ; long tmp___0 ; struct xenbus_transaction __constr_expr_1 ; struct _ddebug descriptor___0 ; long tmp___1 ; struct xenbus_transaction __constr_expr_2 ; void *tmp___2 ; long tmp___3 ; bool tmp___4 ; struct _ddebug descriptor___1 ; long tmp___5 ; { tmp = kzalloc(72UL, 208U); be = (struct backend_info *)tmp; if ((unsigned long )be == (unsigned long )((struct backend_info *)0)) { xenbus_dev_fatal(dev, -12, "allocating backend structure"); return (-12); } else { } be->dev = dev; dev_set_drvdata(& dev->dev, (void *)be); sg = 1; ldv_45225: err = xenbus_transaction_start(& xbt); if (err != 0) { xenbus_dev_fatal(dev, err, "starting transaction"); goto fail; } else { } err = xenbus_printf(xbt, dev->nodename, "feature-sg", "%d", sg); if (err != 0) { message = "writing feature-sg"; goto abort_transaction; } else { } err = xenbus_printf(xbt, dev->nodename, "feature-gso-tcpv4", "%d", sg); if (err != 0) { message = "writing feature-gso-tcpv4"; goto abort_transaction; } else { } err = xenbus_printf(xbt, dev->nodename, "feature-gso-tcpv6", "%d", sg); if (err != 0) { message = "writing feature-gso-tcpv6"; goto abort_transaction; } else { } err = xenbus_printf(xbt, dev->nodename, "feature-ipv6-csum-offload", "%d", 1); if (err != 0) { message = "writing feature-ipv6-csum-offload"; goto abort_transaction; } else { } err = xenbus_printf(xbt, dev->nodename, "feature-rx-copy", "%d", 1); if (err != 0) { message = "writing feature-rx-copy"; goto abort_transaction; } else { } err = xenbus_printf(xbt, dev->nodename, "feature-rx-flip", "%d", 0); if (err != 0) { message = "writing feature-rx-flip"; goto abort_transaction; } else { } err = xenbus_transaction_end(xbt, 0); if (err == -11) { goto ldv_45225; } else { } if (err != 0) { xenbus_dev_fatal(dev, err, "completing transaction"); goto fail; } else { } __constr_expr_0.id = 0U; err = xenbus_printf(__constr_expr_0, dev->nodename, "feature-split-event-channels", "%u", (int )separate_tx_rx_irq); if (err != 0) { descriptor.modname = "xen_netback"; descriptor.function = "netback_probe"; descriptor.filename = "/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/xenbus.c"; descriptor.format = "Error writing feature-split-event-channels\n"; descriptor.lineno = 346U; descriptor.flags = 0U; tmp___0 = ldv__builtin_expect((long )descriptor.flags & 1L, 0L); if (tmp___0 != 0L) { __dynamic_pr_debug(& descriptor, "xen_netback:%s: Error writing feature-split-event-channels\n", "netback_probe"); } else { } } else { } __constr_expr_1.id = 0U; err = xenbus_printf(__constr_expr_1, dev->nodename, "multi-queue-max-queues", "%u", xenvif_max_queues); if (err != 0) { descriptor___0.modname = "xen_netback"; descriptor___0.function = "netback_probe"; descriptor___0.filename = "/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/xenbus.c"; descriptor___0.format = "Error writing multi-queue-max-queues\n"; descriptor___0.lineno = 352U; descriptor___0.flags = 0U; tmp___1 = ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L); if (tmp___1 != 0L) { __dynamic_pr_debug(& descriptor___0, "xen_netback:%s: Error writing multi-queue-max-queues\n", "netback_probe"); } else { } } else { } __constr_expr_2.id = 0U; tmp___2 = xenbus_read(__constr_expr_2, dev->nodename, "script", (unsigned int *)0U); script = (char const *)tmp___2; tmp___4 = IS_ERR((void const *)script); if ((int )tmp___4) { tmp___3 = PTR_ERR((void const *)script); err = (int )tmp___3; xenbus_dev_fatal(dev, err, "reading script"); goto fail; } else { } be->hotplug_script = script; err = xenbus_switch_state(dev, 2); if (err != 0) { goto fail; } else { } be->state = 2; err = backend_create_xenvif(be); if (err != 0) { goto fail; } else { } return (0); abort_transaction: xenbus_transaction_end(xbt, 1); xenbus_dev_fatal(dev, err, "%s", message); fail: descriptor___1.modname = "xen_netback"; descriptor___1.function = "netback_probe"; descriptor___1.filename = "/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/xenbus.c"; descriptor___1.format = "failed\n"; descriptor___1.lineno = 380U; descriptor___1.flags = 0U; tmp___5 = ldv__builtin_expect((long )descriptor___1.flags & 1L, 0L); if (tmp___5 != 0L) { __dynamic_pr_debug(& descriptor___1, "xen_netback:%s: failed\n", "netback_probe"); } else { } netback_remove(dev); return (err); } } static int netback_uevent(struct xenbus_device *xdev , struct kobj_uevent_env *env ) { struct backend_info *be ; void *tmp ; int tmp___0 ; int tmp___1 ; { tmp = dev_get_drvdata((struct device const *)(& xdev->dev)); be = (struct backend_info *)tmp; if ((unsigned long )be == (unsigned long )((struct backend_info *)0)) { return (0); } else { } tmp___0 = add_uevent_var(env, "script=%s", be->hotplug_script); if (tmp___0 != 0) { return (-12); } else { } if ((unsigned long )be->vif == (unsigned long )((struct xenvif *)0)) { return (0); } else { } tmp___1 = add_uevent_var(env, "vif=%s", (char *)(& ((be->vif)->dev)->name)); return (tmp___1); } } static int backend_create_xenvif(struct backend_info *be ) { int err ; long handle ; struct xenbus_device *dev ; struct xenvif *vif ; struct xenbus_transaction __constr_expr_0 ; long tmp ; bool tmp___0 ; { dev = be->dev; if ((unsigned long )be->vif != (unsigned long )((struct xenvif *)0)) { return (0); } else { } __constr_expr_0.id = 0U; err = xenbus_scanf(__constr_expr_0, dev->nodename, "handle", "%li", & handle); if (err != 1) { xenbus_dev_fatal(dev, err, "reading handle"); return (err < 0 ? err : -22); } else { } vif = xenvif_alloc(& dev->dev, (int )((domid_t )dev->otherend_id), (unsigned int )handle); tmp___0 = IS_ERR((void const *)vif); if ((int )tmp___0) { tmp = PTR_ERR((void const *)vif); err = (int )tmp; xenbus_dev_fatal(dev, err, "creating interface"); return (err); } else { } be->vif = vif; kobject_uevent(& dev->dev.kobj, 4); return (0); } } static void backend_disconnect(struct backend_info *be ) { { if ((unsigned long )be->vif != (unsigned long )((struct xenvif *)0)) { xen_unregister_watchers(be->vif); xenvif_debugfs_delif(be->vif); xenvif_disconnect(be->vif); } else { } return; } } static void backend_connect(struct backend_info *be ) { { if ((unsigned long )be->vif != (unsigned long )((struct xenvif *)0)) { connect(be); } else { } return; } } __inline static void backend_switch_state(struct backend_info *be , enum xenbus_state state ) { struct xenbus_device *dev ; struct _ddebug descriptor ; char const *tmp ; long tmp___0 ; { dev = be->dev; descriptor.modname = "xen_netback"; descriptor.function = "backend_switch_state"; descriptor.filename = "/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/xenbus.c"; descriptor.format = "%s -> %s\n"; descriptor.lineno = 459U; descriptor.flags = 0U; tmp___0 = ldv__builtin_expect((long )descriptor.flags & 1L, 0L); if (tmp___0 != 0L) { tmp = xenbus_strstate(state); __dynamic_pr_debug(& descriptor, "xen_netback:%s: %s -> %s\n", "backend_switch_state", dev->nodename, tmp); } else { } be->state = state; if ((unsigned int )*((unsigned char *)be + 56UL) == 0U) { xenbus_switch_state(dev, state); } else { } return; } } static void set_backend_state(struct backend_info *be , enum xenbus_state state ) { { goto ldv_45297; ldv_45296: ; switch ((unsigned int )be->state) { case 6U: ; switch ((unsigned int )state) { case 2U: ; case 4U: printk("\016xen_netback:%s: %s: prepare for reconnect\n", "set_backend_state", (be->dev)->nodename); backend_switch_state(be, 2); goto ldv_45268; case 5U: backend_switch_state(be, 5); goto ldv_45268; default: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/xenbus.c"), "i" (506), "i" (12UL)); ldv_45271: ; goto ldv_45271; } ldv_45268: ; goto ldv_45272; case 2U: ; switch ((unsigned int )state) { case 4U: backend_connect(be); backend_switch_state(be, 4); goto ldv_45275; case 5U: ; case 6U: backend_switch_state(be, 5); goto ldv_45275; default: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/xenbus.c"), "i" (520), "i" (12UL)); ldv_45279: ; goto ldv_45279; } ldv_45275: ; goto ldv_45272; case 4U: ; switch ((unsigned int )state) { case 2U: ; case 5U: ; case 6U: backend_disconnect(be); backend_switch_state(be, 5); goto ldv_45284; default: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/xenbus.c"), "i" (532), "i" (12UL)); ldv_45286: ; goto ldv_45286; } ldv_45284: ; goto ldv_45272; case 5U: ; switch ((unsigned int )state) { case 2U: ; case 4U: ; case 6U: backend_switch_state(be, 6); goto ldv_45291; default: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/xenbus.c"), "i" (543), "i" (12UL)); ldv_45293: ; goto ldv_45293; } ldv_45291: ; goto ldv_45272; default: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/xenbus.c"), "i" (547), "i" (12UL)); ldv_45295: ; goto ldv_45295; } ldv_45272: ; ldv_45297: ; if ((unsigned int )be->state != (unsigned int )state) { goto ldv_45296; } else { } return; } } static void frontend_changed(struct xenbus_device *dev , enum xenbus_state frontend_state ) { struct backend_info *be ; void *tmp ; struct _ddebug descriptor ; char const *tmp___0 ; long tmp___1 ; int tmp___2 ; { tmp = dev_get_drvdata((struct device const *)(& dev->dev)); be = (struct backend_info *)tmp; descriptor.modname = "xen_netback"; descriptor.function = "frontend_changed"; descriptor.filename = "/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/xenbus.c"; descriptor.format = "%s -> %s\n"; descriptor.lineno = 560U; descriptor.flags = 0U; tmp___1 = ldv__builtin_expect((long )descriptor.flags & 1L, 0L); if (tmp___1 != 0L) { tmp___0 = xenbus_strstate(frontend_state); __dynamic_pr_debug(& descriptor, "xen_netback:%s: %s -> %s\n", "frontend_changed", dev->otherend, tmp___0); } else { } be->frontend_state = frontend_state; switch ((unsigned int )frontend_state) { case 1U: set_backend_state(be, 2); goto ldv_45307; case 3U: ; goto ldv_45307; case 4U: set_backend_state(be, 4); goto ldv_45307; case 5U: set_backend_state(be, 5); goto ldv_45307; case 6U: set_backend_state(be, 6); tmp___2 = xenbus_dev_is_online(dev); if (tmp___2 != 0) { goto ldv_45307; } else { } case 0U: set_backend_state(be, 6); device_unregister(& dev->dev); goto ldv_45307; default: xenbus_dev_fatal(dev, -22, "saw state %d at frontend", (unsigned int )frontend_state); goto ldv_45307; } ldv_45307: ; return; } } static void xen_net_read_rate(struct xenbus_device *dev , unsigned long *bytes , unsigned long *usec ) { char *s ; char *e ; unsigned long b ; unsigned long u ; char *ratestr ; struct xenbus_transaction __constr_expr_0 ; void *tmp ; bool tmp___0 ; { *bytes = 0xffffffffffffffffUL; *usec = 0UL; __constr_expr_0.id = 0U; tmp = xenbus_read(__constr_expr_0, dev->nodename, "rate", (unsigned int *)0U); ratestr = (char *)tmp; tmp___0 = IS_ERR((void const *)ratestr); if ((int )tmp___0) { return; } else { } s = ratestr; b = simple_strtoul((char const *)s, & e, 10U); if ((unsigned long )s == (unsigned long )e || (int )((signed char )*e) != 44) { goto fail; } else { } s = e + 1UL; u = simple_strtoul((char const *)s, & e, 10U); if ((unsigned long )s == (unsigned long )e || (int )((signed char )*e) != 0) { goto fail; } else { } *bytes = b; *usec = u; kfree((void const *)ratestr); return; fail: printk("\fxen_netback:%s: Failed to parse network rate limit. Traffic unlimited.\n", "xen_net_read_rate"); kfree((void const *)ratestr); return; } } static int xen_net_read_mac(struct xenbus_device *dev , u8 *mac ) { char *s ; char *e ; char *macstr ; int i ; struct xenbus_transaction __constr_expr_0 ; void *tmp ; long tmp___0 ; bool tmp___1 ; unsigned long tmp___2 ; { __constr_expr_0.id = 0U; tmp = xenbus_read(__constr_expr_0, dev->nodename, "mac", (unsigned int *)0U); s = (char *)tmp; macstr = s; tmp___1 = IS_ERR((void const *)macstr); if ((int )tmp___1) { tmp___0 = PTR_ERR((void const *)macstr); return ((int )tmp___0); } else { } i = 0; goto ldv_45337; ldv_45336: tmp___2 = simple_strtoul((char const *)s, & e, 16U); *(mac + (unsigned long )i) = (u8 )tmp___2; if ((unsigned long )s == (unsigned long )e || (int )*e != (i == 5 ? 0 : 58)) { kfree((void const *)macstr); return (-2); } else { } s = e + 1UL; i = i + 1; ldv_45337: ; if (i <= 5) { goto ldv_45336; } else { } kfree((void const *)macstr); return (0); } } static void xen_net_rate_changed(struct xenbus_watch *watch , char const **vec , unsigned int len ) { struct xenvif *vif ; struct xenbus_watch const *__mptr ; struct xenbus_device *dev ; struct xenbus_device *tmp ; unsigned long credit_bytes ; unsigned long credit_usec ; unsigned int queue_index ; struct xenvif_queue *queue ; int tmp___0 ; { __mptr = (struct xenbus_watch const *)watch; vif = (struct xenvif *)__mptr + 0xffffffffffffffb8UL; tmp = xenvif_to_xenbus_device(vif); dev = tmp; xen_net_read_rate(dev, & credit_bytes, & credit_usec); queue_index = 0U; goto ldv_45353; ldv_45352: queue = vif->queues + (unsigned long )queue_index; queue->credit_bytes = credit_bytes; queue->credit_usec = credit_usec; tmp___0 = ldv_mod_timer_pending_11(& queue->credit_timeout, jiffies); if (tmp___0 == 0 && queue->remaining_credit > queue->credit_bytes) { queue->remaining_credit = queue->credit_bytes; } else { } queue_index = queue_index + 1U; ldv_45353: ; if (vif->num_queues > queue_index) { goto ldv_45352; } else { } return; } } static int xen_register_watchers(struct xenbus_device *dev , struct xenvif *vif ) { int err ; char *node ; unsigned int maxlen ; size_t tmp ; void *tmp___0 ; { err = 0; tmp = strlen(dev->nodename); maxlen = (unsigned int )tmp + 6U; if ((unsigned long )vif->credit_watch.node != (unsigned long )((char const *)0)) { return (-98); } else { } tmp___0 = kmalloc((size_t )maxlen, 208U); node = (char *)tmp___0; if ((unsigned long )node == (unsigned long )((char *)0)) { return (-12); } else { } snprintf(node, (size_t )maxlen, "%s/rate", dev->nodename); vif->credit_watch.node = (char const *)node; vif->credit_watch.callback = & xen_net_rate_changed; err = register_xenbus_watch(& vif->credit_watch); if (err != 0) { printk("\vxen_netback:%s: Failed to set watcher %s\n", "xen_register_watchers", vif->credit_watch.node); kfree((void const *)node); vif->credit_watch.node = (char const *)0; vif->credit_watch.callback = (void (*)(struct xenbus_watch * , char const ** , unsigned int ))0; } else { } return (err); } } static void xen_unregister_watchers(struct xenvif *vif ) { { if ((unsigned long )vif->credit_watch.node != (unsigned long )((char const *)0)) { unregister_xenbus_watch(& vif->credit_watch); kfree((void const *)vif->credit_watch.node); vif->credit_watch.node = (char const *)0; } else { } return; } } static void unregister_hotplug_status_watch(struct backend_info *be ) { { if ((unsigned int )*((unsigned char *)be + 56UL) != 0U) { unregister_xenbus_watch(& be->hotplug_status_watch); kfree((void const *)be->hotplug_status_watch.node); } else { } be->have_hotplug_status_watch = 0U; return; } } static void hotplug_status_changed(struct xenbus_watch *watch , char const **vec , unsigned int vec_size ) { struct backend_info *be ; struct xenbus_watch const *__mptr ; char *str ; unsigned int len ; struct xenbus_transaction __constr_expr_0 ; void *tmp ; bool tmp___0 ; int tmp___1 ; { __mptr = (struct xenbus_watch const *)watch; be = (struct backend_info *)__mptr + 0xffffffffffffffe8UL; __constr_expr_0.id = 0U; tmp = xenbus_read(__constr_expr_0, (be->dev)->nodename, "hotplug-status", & len); str = (char *)tmp; tmp___0 = IS_ERR((void const *)str); if ((int )tmp___0) { return; } else { } if (len == 9U) { tmp___1 = memcmp((void const *)str, (void const *)"connected", (size_t )len); if (tmp___1 == 0) { xenbus_switch_state(be->dev, be->state); unregister_hotplug_status_watch(be); } else { } } else { } kfree((void const *)str); return; } } static void connect(struct backend_info *be ) { int err ; struct xenbus_device *dev ; unsigned long credit_bytes ; unsigned long credit_usec ; unsigned int queue_index ; unsigned int requested_num_queues ; struct xenvif_queue *queue ; struct xenbus_transaction __constr_expr_0 ; void *tmp ; { dev = be->dev; __constr_expr_0.id = 0U; err = xenbus_scanf(__constr_expr_0, dev->otherend, "multi-queue-num-queues", "%u", & requested_num_queues); if (err < 0) { requested_num_queues = 1U; } else if (requested_num_queues > xenvif_max_queues) { xenbus_dev_fatal(dev, err, "guest requested %u queues, exceeding the maximum of %u.", requested_num_queues, xenvif_max_queues); return; } else { } err = xen_net_read_mac(dev, (u8 *)(& (be->vif)->fe_dev_addr)); if (err != 0) { xenbus_dev_fatal(dev, err, "parsing %s/mac", dev->nodename); return; } else { } xen_net_read_rate(dev, & credit_bytes, & credit_usec); xen_unregister_watchers(be->vif); xen_register_watchers(dev, be->vif); read_xenbus_vif_flags(be); tmp = vzalloc((unsigned long )requested_num_queues * 222408UL); (be->vif)->queues = (struct xenvif_queue *)tmp; (be->vif)->num_queues = requested_num_queues; (be->vif)->stalled_queues = requested_num_queues; queue_index = 0U; goto ldv_45393; ldv_45392: queue = (be->vif)->queues + (unsigned long )queue_index; queue->vif = be->vif; queue->id = queue_index; snprintf((char *)(& queue->name), 21UL, "%s-q%u", (char *)(& ((be->vif)->dev)->name), queue->id); err = xenvif_init_queue(queue); if (err != 0) { (be->vif)->num_queues = queue_index; goto err; } else { } queue->credit_bytes = credit_bytes; queue->remaining_credit = credit_bytes; queue->credit_usec = credit_usec; err = connect_rings(be, queue); if (err != 0) { xenvif_deinit_queue(queue); (be->vif)->num_queues = queue_index; goto err; } else { } queue_index = queue_index + 1U; ldv_45393: ; if (queue_index < requested_num_queues) { goto ldv_45392; } else { } xenvif_debugfs_addif(be->vif); rtnl_lock(); netif_set_real_num_tx_queues((be->vif)->dev, requested_num_queues); netif_set_real_num_rx_queues((be->vif)->dev, requested_num_queues); rtnl_unlock(); xenvif_carrier_on(be->vif); unregister_hotplug_status_watch(be); err = xenbus_watch_pathfmt(dev, & be->hotplug_status_watch, & hotplug_status_changed, "%s/%s", dev->nodename, (char *)"hotplug-status"); if (err == 0) { be->have_hotplug_status_watch = 1U; } else { } netif_tx_wake_all_queues((be->vif)->dev); return; err: ; if ((be->vif)->num_queues != 0U) { xenvif_disconnect(be->vif); } else { } vfree((void const *)(be->vif)->queues); (be->vif)->queues = (struct xenvif_queue *)0; (be->vif)->num_queues = 0U; return; } } static int connect_rings(struct backend_info *be , struct xenvif_queue *queue ) { struct xenbus_device *dev ; unsigned int num_queues ; unsigned long tx_ring_ref ; unsigned long rx_ring_ref ; unsigned int tx_evtchn ; unsigned int rx_evtchn ; int err ; char *xspath ; size_t xspathsize ; size_t xenstore_path_ext_size ; size_t tmp ; void *tmp___0 ; size_t tmp___1 ; void *tmp___2 ; struct xenbus_transaction __constr_expr_0 ; struct xenbus_transaction __constr_expr_1 ; struct xenbus_transaction __constr_expr_2 ; { dev = be->dev; num_queues = (queue->vif)->num_queues; xenstore_path_ext_size = 11UL; if (num_queues == 1U) { tmp = strlen(dev->otherend); tmp___0 = kzalloc(tmp + 1UL, 208U); xspath = (char *)tmp___0; if ((unsigned long )xspath == (unsigned long )((char *)0)) { xenbus_dev_fatal(dev, -12, "reading ring references"); return (-12); } else { } strcpy(xspath, dev->otherend); } else { tmp___1 = strlen(dev->otherend); xspathsize = tmp___1 + xenstore_path_ext_size; tmp___2 = kzalloc(xspathsize, 208U); xspath = (char *)tmp___2; if ((unsigned long )xspath == (unsigned long )((char *)0)) { xenbus_dev_fatal(dev, -12, "reading ring references"); return (-12); } else { } snprintf(xspath, xspathsize, "%s/queue-%u", dev->otherend, queue->id); } __constr_expr_0.id = 0U; err = xenbus_gather(__constr_expr_0, (char const *)xspath, (char *)"tx-ring-ref", (char *)"%lu", & tx_ring_ref, (char *)"rx-ring-ref", (char *)"%lu", & rx_ring_ref, (void *)0); if (err != 0) { xenbus_dev_fatal(dev, err, "reading %s/ring-ref", xspath); goto err; } else { } __constr_expr_1.id = 0U; err = xenbus_gather(__constr_expr_1, (char const *)xspath, (char *)"event-channel-tx", (char *)"%u", & tx_evtchn, (char *)"event-channel-rx", (char *)"%u", & rx_evtchn, (void *)0); if (err < 0) { __constr_expr_2.id = 0U; err = xenbus_scanf(__constr_expr_2, (char const *)xspath, "event-channel", "%u", & tx_evtchn); if (err < 0) { xenbus_dev_fatal(dev, err, "reading %s/event-channel(-tx/rx)", xspath); goto err; } else { } rx_evtchn = tx_evtchn; } else { } err = xenvif_connect(queue, tx_ring_ref, rx_ring_ref, tx_evtchn, rx_evtchn); if (err != 0) { xenbus_dev_fatal(dev, err, "mapping shared-frames %lu/%lu port tx %u rx %u", tx_ring_ref, rx_ring_ref, tx_evtchn, rx_evtchn); goto err; } else { } err = 0; err: kfree((void const *)xspath); return (err); } } static int read_xenbus_vif_flags(struct backend_info *be ) { struct xenvif *vif ; struct xenbus_device *dev ; unsigned int rx_copy ; int err ; int val ; struct xenbus_transaction __constr_expr_0 ; struct xenbus_transaction __constr_expr_1 ; int tmp ; struct xenbus_transaction __constr_expr_2 ; int tmp___0 ; struct xenbus_transaction __constr_expr_3 ; int tmp___1 ; struct xenbus_transaction __constr_expr_4 ; int tmp___2 ; struct xenbus_transaction __constr_expr_5 ; int tmp___3 ; struct xenbus_transaction __constr_expr_6 ; int tmp___4 ; struct xenbus_transaction __constr_expr_7 ; int tmp___5 ; struct xenbus_transaction __constr_expr_8 ; int tmp___6 ; { vif = be->vif; dev = be->dev; __constr_expr_0.id = 0U; err = xenbus_scanf(__constr_expr_0, dev->otherend, "request-rx-copy", "%u", & rx_copy); if (err == -2) { err = 0; rx_copy = 0U; } else { } if (err < 0) { xenbus_dev_fatal(dev, err, "reading %s/request-rx-copy", dev->otherend); return (err); } else { } if (rx_copy == 0U) { return (-95); } else { } __constr_expr_1.id = 0U; tmp = xenbus_scanf(__constr_expr_1, dev->otherend, "feature-rx-notify", "%d", & val); if (tmp < 0) { val = 0; } else { } if (val == 0) { (be->vif)->drain_timeout = msecs_to_jiffies(30U); (be->vif)->stall_timeout = 0UL; } else { } __constr_expr_2.id = 0U; tmp___0 = xenbus_scanf(__constr_expr_2, dev->otherend, "feature-sg", "%d", & val); if (tmp___0 < 0) { val = 0; } else { } vif->can_sg = val != 0; vif->gso_mask = 0; vif->gso_prefix_mask = 0; __constr_expr_3.id = 0U; tmp___1 = xenbus_scanf(__constr_expr_3, dev->otherend, "feature-gso-tcpv4", "%d", & val); if (tmp___1 < 0) { val = 0; } else { } if (val != 0) { vif->gso_mask = vif->gso_mask | 2; } else { } __constr_expr_4.id = 0U; tmp___2 = xenbus_scanf(__constr_expr_4, dev->otherend, "feature-gso-tcpv4-prefix", "%d", & val); if (tmp___2 < 0) { val = 0; } else { } if (val != 0) { vif->gso_prefix_mask = vif->gso_prefix_mask | 2; } else { } __constr_expr_5.id = 0U; tmp___3 = xenbus_scanf(__constr_expr_5, dev->otherend, "feature-gso-tcpv6", "%d", & val); if (tmp___3 < 0) { val = 0; } else { } if (val != 0) { vif->gso_mask = vif->gso_mask | 4; } else { } __constr_expr_6.id = 0U; tmp___4 = xenbus_scanf(__constr_expr_6, dev->otherend, "feature-gso-tcpv6-prefix", "%d", & val); if (tmp___4 < 0) { val = 0; } else { } if (val != 0) { vif->gso_prefix_mask = vif->gso_prefix_mask | 4; } else { } if ((vif->gso_mask & vif->gso_prefix_mask) != 0) { xenbus_dev_fatal(dev, err, "%s: gso and gso prefix flags are not mutually exclusive", dev->otherend); return (-95); } else { } __constr_expr_7.id = 0U; tmp___5 = xenbus_scanf(__constr_expr_7, dev->otherend, "feature-no-csum-offload", "%d", & val); if (tmp___5 < 0) { val = 0; } else { } vif->ip_csum = val == 0; __constr_expr_8.id = 0U; tmp___6 = xenbus_scanf(__constr_expr_8, dev->otherend, "feature-ipv6-csum-offload", "%d", & val); if (tmp___6 < 0) { val = 0; } else { } vif->ipv6_csum = val != 0; return (0); } } static struct xenbus_device_id const netback_ids[2U] = { {{'v', 'i', 'f', '\000'}}, {{'\000'}}}; static struct xenbus_driver netback_driver = {0, (struct xenbus_device_id const *)(& netback_ids), & netback_probe, & frontend_changed, & netback_remove, 0, 0, & netback_uevent, {0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0, 0}; int xenvif_xenbus_init(void) { int tmp ; { tmp = __xenbus_register_backend(& netback_driver, & __this_module, "xen_netback"); return (tmp); } } void xenvif_xenbus_fini(void) { { return; } } int ldv_retval_0 ; int ldv_retval_4 ; void ldv_initialize_xenbus_driver_4(void) { void *tmp ; { tmp = ldv_init_zalloc(1664UL); netback_driver_group0 = (struct xenbus_device *)tmp; return; } } void ldv_file_operations_5(void) { void *tmp ; void *tmp___0 ; { tmp = ldv_init_zalloc(1000UL); xenvif_dbg_io_ring_ops_fops_group1 = (struct inode *)tmp; tmp___0 = ldv_init_zalloc(504UL); xenvif_dbg_io_ring_ops_fops_group2 = (struct file *)tmp___0; return; } } void ldv_main_exported_4(void) { struct xenbus_device_id *ldvarg2 ; void *tmp ; enum xenbus_state ldvarg0 ; struct kobj_uevent_env *ldvarg1 ; void *tmp___0 ; int tmp___1 ; { tmp = ldv_init_zalloc(32UL); ldvarg2 = (struct xenbus_device_id *)tmp; tmp___0 = ldv_init_zalloc(2336UL); ldvarg1 = (struct kobj_uevent_env *)tmp___0; ldv_memset((void *)(& ldvarg0), 0, 4UL); tmp___1 = __VERIFIER_nondet_int(); switch (tmp___1) { case 0: ; if (ldv_state_variable_4 == 1) { ldv_retval_0 = netback_probe(netback_driver_group0, (struct xenbus_device_id const *)ldvarg2); if (ldv_retval_0 == 0) { ldv_state_variable_4 = 2; ref_cnt = ref_cnt + 1; } else { } } else { } goto ldv_45453; case 1: ; if (ldv_state_variable_4 == 1) { netback_uevent(netback_driver_group0, ldvarg1); ldv_state_variable_4 = 1; } else { } if (ldv_state_variable_4 == 2) { netback_uevent(netback_driver_group0, ldvarg1); ldv_state_variable_4 = 2; } else { } goto ldv_45453; case 2: ; if (ldv_state_variable_4 == 2) { netback_remove(netback_driver_group0); ldv_state_variable_4 = 1; ref_cnt = ref_cnt - 1; } else { } goto ldv_45453; case 3: ; if (ldv_state_variable_4 == 1) { frontend_changed(netback_driver_group0, ldvarg0); ldv_state_variable_4 = 1; } else { } if (ldv_state_variable_4 == 2) { frontend_changed(netback_driver_group0, ldvarg0); ldv_state_variable_4 = 2; } else { } goto ldv_45453; default: ldv_stop(); } ldv_45453: ; return; } } void ldv_main_exported_5(void) { char *ldvarg19 ; void *tmp ; loff_t ldvarg13 ; loff_t *ldvarg17 ; void *tmp___0 ; loff_t *ldvarg14 ; void *tmp___1 ; size_t ldvarg15 ; char *ldvarg16 ; void *tmp___2 ; int ldvarg12 ; size_t ldvarg18 ; int tmp___3 ; { tmp = ldv_init_zalloc(1UL); ldvarg19 = (char *)tmp; tmp___0 = ldv_init_zalloc(8UL); ldvarg17 = (loff_t *)tmp___0; tmp___1 = ldv_init_zalloc(8UL); ldvarg14 = (loff_t *)tmp___1; tmp___2 = ldv_init_zalloc(1UL); ldvarg16 = (char *)tmp___2; ldv_memset((void *)(& ldvarg13), 0, 8UL); ldv_memset((void *)(& ldvarg15), 0, 8UL); ldv_memset((void *)(& ldvarg12), 0, 4UL); ldv_memset((void *)(& ldvarg18), 0, 8UL); tmp___3 = __VERIFIER_nondet_int(); switch (tmp___3) { case 0: ; if (ldv_state_variable_5 == 1) { xenvif_write_io_ring(xenvif_dbg_io_ring_ops_fops_group2, (char const *)ldvarg19, ldvarg18, ldvarg17); ldv_state_variable_5 = 1; } else { } if (ldv_state_variable_5 == 2) { xenvif_write_io_ring(xenvif_dbg_io_ring_ops_fops_group2, (char const *)ldvarg19, ldvarg18, ldvarg17); ldv_state_variable_5 = 2; } else { } goto ldv_45470; case 1: ; if (ldv_state_variable_5 == 2) { single_release(xenvif_dbg_io_ring_ops_fops_group1, xenvif_dbg_io_ring_ops_fops_group2); ldv_state_variable_5 = 1; ref_cnt = ref_cnt - 1; } else { } goto ldv_45470; case 2: ; if (ldv_state_variable_5 == 2) { seq_read(xenvif_dbg_io_ring_ops_fops_group2, ldvarg16, ldvarg15, ldvarg14); ldv_state_variable_5 = 2; } else { } goto ldv_45470; case 3: ; if (ldv_state_variable_5 == 2) { seq_lseek(xenvif_dbg_io_ring_ops_fops_group2, ldvarg13, ldvarg12); ldv_state_variable_5 = 2; } else { } goto ldv_45470; case 4: ; if (ldv_state_variable_5 == 1) { ldv_retval_4 = xenvif_dump_open(xenvif_dbg_io_ring_ops_fops_group1, xenvif_dbg_io_ring_ops_fops_group2); if (ldv_retval_4 == 0) { ldv_state_variable_5 = 2; ref_cnt = ref_cnt + 1; } else { } } else { } goto ldv_45470; default: ldv_stop(); } ldv_45470: ; return; } } __inline static bool IS_ERR(void const *ptr ) { bool tmp ; { tmp = ldv_is_err(ptr); return (tmp); } } int ldv_mod_timer_pending_11(struct timer_list *ldv_func_arg1 , unsigned long ldv_func_arg2 ) { ldv_func_ret_type ldv_func_res ; int tmp ; { tmp = mod_timer_pending(ldv_func_arg1, ldv_func_arg2); ldv_func_res = tmp; activate_pending_timer_1(ldv_func_arg1, ldv_func_arg2, 0); return (ldv_func_res); } } __inline static long ldv__builtin_expect(long exp , long c ) ; __inline static void clear_bit(long nr , unsigned long volatile *addr ) { { __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); return; } } __inline static int test_and_clear_bit(long nr , unsigned long volatile *addr ) { char c ; { __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); return ((int )((signed char )c) != 0); } } void *ldv_err_ptr(long error ) ; __inline static void *ERR_PTR(long error ) ; __inline static long PTR_ERR(void const *ptr ) ; __inline static bool IS_ERR(void const *ptr ) ; __inline static void atomic_set(atomic_t *v , int i ) { { v->counter = i; return; } } __inline static void atomic_dec(atomic_t *v ) { { __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0": "+m" (v->counter)); return; } } __inline static int atomic_dec_and_test(atomic_t *v ) { char c ; { __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); return ((int )((signed char )c) != 0); } } extern void __init_waitqueue_head(wait_queue_head_t * , char const * , struct lock_class_key * ) ; extern int del_timer_sync(struct timer_list * ) ; int ldv_del_timer_sync_17(struct timer_list *ldv_func_arg1 ) ; void ldv___module_get_20(struct module *ldv_func_arg1 ) ; void ldv_module_put_21(struct module *ldv_func_arg1 ) ; void ldv_module_put_24(struct module *ldv_func_arg1 ) ; void ldv_module_get(struct module *module ) ; void ldv_module_put(struct module *module ) ; extern void __put_task_struct(struct task_struct * ) ; __inline static void put_task_struct(struct task_struct *t ) { int tmp ; { tmp = atomic_dec_and_test(& t->usage); if (tmp != 0) { __put_task_struct(t); } else { } return; } } extern int wake_up_process(struct task_struct * ) ; void choose_timer_1(struct timer_list *timer ) ; int reg_timer_1(struct timer_list *timer ) ; void ldv_net_device_ops_2(void) ; void disable_suitable_timer_1(struct timer_list *timer ) ; extern void disable_irq(unsigned int ) ; extern void enable_irq(unsigned int ) ; extern int ___ratelimit(struct ratelimit_state * , char const * ) ; __inline static u16 skb_get_queue_mapping(struct sk_buff const *skb ) { { return ((u16 )skb->queue_mapping); } } extern u32 ethtool_op_get_link(struct net_device * ) ; __inline static void napi_complete(struct napi_struct *n ) { { return; } } extern void napi_disable(struct napi_struct * ) ; __inline static void napi_enable(struct napi_struct *n ) { int tmp ; long tmp___0 ; { tmp = constant_test_bit(0L, (unsigned long const volatile *)(& n->state)); tmp___0 = ldv__builtin_expect(tmp == 0, 0L); if (tmp___0 != 0L) { __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/netdevice.h"), "i" (507), "i" (12UL)); ldv_41426: ; goto ldv_41426; } else { } __asm__ volatile ("": : : "memory"); clear_bit(0L, (unsigned long volatile *)(& n->state)); return; } } extern void netif_napi_add(struct net_device * , struct napi_struct * , int (*)(struct napi_struct * , int ) , int ) ; extern void netif_napi_del(struct napi_struct * ) ; extern void free_netdev(struct net_device * ) ; void ldv_free_netdev_19(struct net_device *dev ) ; void ldv_free_netdev_23(struct net_device *dev ) ; __inline static void netif_tx_start_queue(struct netdev_queue *dev_queue ) { { clear_bit(0L, (unsigned long volatile *)(& dev_queue->state)); return; } } __inline static void netif_tx_start_all_queues(struct net_device *dev ) { unsigned int i ; struct netdev_queue *txq ; struct netdev_queue *tmp ; { i = 0U; goto ldv_42500; ldv_42499: tmp = netdev_get_tx_queue((struct net_device const *)dev, i); txq = tmp; netif_tx_start_queue(txq); i = i + 1U; ldv_42500: ; if (dev->num_tx_queues > i) { goto ldv_42499; } else { } return; } } extern void netif_tx_stop_all_queues(struct net_device * ) ; __inline static bool netif_running(struct net_device const *dev ) { int tmp ; { tmp = constant_test_bit(0L, (unsigned long const volatile *)(& dev->state)); return (tmp != 0); } } extern int dev_set_mtu(struct net_device * , int ) ; extern void ether_setup(struct net_device * ) ; extern struct net_device *alloc_netdev_mqs(int , char const * , unsigned char , void (*)(struct net_device * ) , unsigned int , unsigned int ) ; extern int register_netdev(struct net_device * ) ; int ldv_register_netdev_18(struct net_device *dev ) ; extern void unregister_netdev(struct net_device * ) ; void ldv_unregister_netdev_22(struct net_device *dev ) ; extern void netdev_update_features(struct net_device * ) ; extern int eth_mac_addr(struct net_device * , void * ) ; extern int eth_validate_addr(struct net_device * ) ; __inline static void eth_broadcast_addr(u8 *addr ) { { memset((void *)addr, 255, 6UL); return; } } extern int gnttab_alloc_pages(int , struct page ** ) ; extern void gnttab_free_pages(int , struct page ** ) ; int xenvif_schedulable(struct xenvif *vif ) ; int xenvif_queue_stopped(struct xenvif_queue *queue ) ; void xenvif_wake_queue(struct xenvif_queue *queue ) ; extern struct task_struct *kthread_create_on_node(int (*)(void * ) , void * , int , char const * , ...) ; extern int kthread_stop(struct task_struct * ) ; extern int bind_interdomain_evtchn_to_irqhandler(unsigned int , unsigned int , irqreturn_t (*)(int , void * ) , unsigned long , char const * , void * ) ; extern void unbind_from_irqhandler(unsigned int , void * ) ; void xenvif_skb_zerocopy_prepare(struct xenvif_queue *queue , struct sk_buff *skb ) { unsigned char *tmp ; unsigned char *tmp___0 ; { tmp = skb_end_pointer((struct sk_buff const *)skb); tmp___0 = skb_end_pointer((struct sk_buff const *)skb); ((struct skb_shared_info *)tmp)->tx_flags = (__u8 )((unsigned int )((struct skb_shared_info *)tmp___0)->tx_flags | 8U); atomic_inc(& queue->inflight_packets); return; } } void xenvif_skb_zerocopy_complete(struct xenvif_queue *queue ) { { atomic_dec(& queue->inflight_packets); return; } } int xenvif_schedulable(struct xenvif *vif ) { bool tmp ; int tmp___0 ; int tmp___1 ; { tmp = netif_running((struct net_device const *)vif->dev); if ((int )tmp) { tmp___0 = constant_test_bit(0L, (unsigned long const volatile *)(& vif->status)); if (tmp___0 != 0) { if (! vif->disabled) { tmp___1 = 1; } else { tmp___1 = 0; } } else { tmp___1 = 0; } } else { tmp___1 = 0; } return (tmp___1); } } static irqreturn_t xenvif_tx_interrupt(int irq , void *dev_id ) { struct xenvif_queue *queue ; unsigned int req ; unsigned int rsp ; { queue = (struct xenvif_queue *)dev_id; req = (queue->tx.sring)->req_prod - queue->tx.req_cons; rsp = queue->tx.nr_ents + (queue->tx.rsp_prod_pvt - queue->tx.req_cons); if ((req < rsp ? req : rsp) != 0U) { napi_schedule(& queue->napi); } else { } return (1); } } static int xenvif_poll(struct napi_struct *napi , int budget ) { struct xenvif_queue *queue ; struct napi_struct const *__mptr ; int work_done ; long tmp ; { __mptr = (struct napi_struct const *)napi; queue = (struct xenvif_queue *)__mptr + 0xffffffffffffffd8UL; tmp = ldv__builtin_expect((long )(queue->vif)->disabled, 0L); if (tmp != 0L) { napi_complete(napi); return (0); } else { } work_done = xenvif_tx_action(queue, budget); if (work_done < budget) { napi_complete(napi); xenvif_napi_schedule_or_enable_events(queue); } else { } return (work_done); } } static irqreturn_t xenvif_rx_interrupt(int irq , void *dev_id ) { struct xenvif_queue *queue ; { queue = (struct xenvif_queue *)dev_id; xenvif_kick_thread(queue); return (1); } } irqreturn_t xenvif_interrupt(int irq , void *dev_id ) { { xenvif_tx_interrupt(irq, dev_id); xenvif_rx_interrupt(irq, dev_id); return (1); } } int xenvif_queue_stopped(struct xenvif_queue *queue ) { struct net_device *dev ; unsigned int id ; struct netdev_queue *tmp ; bool tmp___0 ; { dev = (queue->vif)->dev; id = queue->id; tmp = netdev_get_tx_queue((struct net_device const *)dev, id); tmp___0 = netif_tx_queue_stopped((struct netdev_queue const *)tmp); return ((int )tmp___0); } } void xenvif_wake_queue(struct xenvif_queue *queue ) { struct net_device *dev ; unsigned int id ; struct netdev_queue *tmp ; { dev = (queue->vif)->dev; id = queue->id; tmp = netdev_get_tx_queue((struct net_device const *)dev, id); netif_tx_wake_queue(tmp); return; } } static int xenvif_start_xmit(struct sk_buff *skb , struct net_device *dev ) { struct xenvif *vif ; void *tmp ; struct xenvif_queue *queue ; unsigned int num_queues ; u16 index ; struct xenvif_rx_cb *cb ; long tmp___0 ; struct ratelimit_state _rs ; int tmp___1 ; int tmp___2 ; { tmp = netdev_priv((struct net_device const *)dev); vif = (struct xenvif *)tmp; queue = (struct xenvif_queue *)0; num_queues = vif->num_queues; tmp___0 = ldv__builtin_expect((unsigned long )skb->dev != (unsigned long )dev, 0L); if (tmp___0 != 0L) { __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/interface.c"), "i" (147), "i" (12UL)); ldv_48952: ; goto ldv_48952; } else { } if (num_queues == 0U) { goto drop; } else { } index = skb_get_queue_mapping((struct sk_buff const *)skb); if ((unsigned int )index >= num_queues) { _rs.lock.raw_lock.val.counter = 0; _rs.lock.magic = 3735899821U; _rs.lock.owner_cpu = 4294967295U; _rs.lock.owner = (void *)-1; _rs.lock.dep_map.key = 0; _rs.lock.dep_map.class_cache[0] = 0; _rs.lock.dep_map.class_cache[1] = 0; _rs.lock.dep_map.name = "_rs.lock"; _rs.lock.dep_map.cpu = 0; _rs.lock.dep_map.ip = 0UL; _rs.interval = 1250; _rs.burst = 10; _rs.printed = 0; _rs.missed = 0; _rs.begin = 0UL; tmp___1 = ___ratelimit(& _rs, "xenvif_start_xmit"); if (tmp___1 != 0) { printk("\fxen_netback:%s: Invalid queue %hu for packet on interface %s\n.", "xenvif_start_xmit", (int )index, (char *)(& (vif->dev)->name)); } else { } index = (u16 )((unsigned int )index % num_queues); } else { } queue = vif->queues + (unsigned long )index; if ((unsigned long )queue->task == (unsigned long )((struct task_struct *)0) || (unsigned long )queue->dealloc_task == (unsigned long )((struct task_struct *)0)) { goto drop; } else { tmp___2 = xenvif_schedulable(vif); if (tmp___2 == 0) { goto drop; } else { } } cb = (struct xenvif_rx_cb *)(& skb->cb); cb->expires = vif->drain_timeout + (unsigned long )jiffies; xenvif_rx_queue_tail(queue, skb); xenvif_kick_thread(queue); return (0); drop: (vif->dev)->stats.tx_dropped = (vif->dev)->stats.tx_dropped + 1UL; consume_skb(skb); return (0); } } static struct net_device_stats *xenvif_get_stats(struct net_device *dev ) { struct xenvif *vif ; void *tmp ; struct xenvif_queue *queue ; unsigned int num_queues ; unsigned long rx_bytes ; unsigned long rx_packets ; unsigned long tx_bytes ; unsigned long tx_packets ; unsigned int index ; { tmp = netdev_priv((struct net_device const *)dev); vif = (struct xenvif *)tmp; queue = (struct xenvif_queue *)0; num_queues = vif->num_queues; rx_bytes = 0UL; rx_packets = 0UL; tx_bytes = 0UL; tx_packets = 0UL; if ((unsigned long )vif->queues == (unsigned long )((struct xenvif_queue *)0)) { goto out; } else { } index = 0U; goto ldv_48970; ldv_48969: queue = vif->queues + (unsigned long )index; rx_bytes = (unsigned long )queue->stats.rx_bytes + rx_bytes; rx_packets = (unsigned long )queue->stats.rx_packets + rx_packets; tx_bytes = (unsigned long )queue->stats.tx_bytes + tx_bytes; tx_packets = (unsigned long )queue->stats.tx_packets + tx_packets; index = index + 1U; ldv_48970: ; if (index < num_queues) { goto ldv_48969; } else { } out: (vif->dev)->stats.rx_bytes = rx_bytes; (vif->dev)->stats.rx_packets = rx_packets; (vif->dev)->stats.tx_bytes = tx_bytes; (vif->dev)->stats.tx_packets = tx_packets; return (& (vif->dev)->stats); } } static void xenvif_up(struct xenvif *vif ) { struct xenvif_queue *queue ; unsigned int num_queues ; unsigned int queue_index ; { queue = (struct xenvif_queue *)0; num_queues = vif->num_queues; queue_index = 0U; goto ldv_48979; ldv_48978: queue = vif->queues + (unsigned long )queue_index; napi_enable(& queue->napi); enable_irq(queue->tx_irq); if (queue->tx_irq != queue->rx_irq) { enable_irq(queue->rx_irq); } else { } xenvif_napi_schedule_or_enable_events(queue); queue_index = queue_index + 1U; ldv_48979: ; if (queue_index < num_queues) { goto ldv_48978; } else { } return; } } static void xenvif_down(struct xenvif *vif ) { struct xenvif_queue *queue ; unsigned int num_queues ; unsigned int queue_index ; { queue = (struct xenvif_queue *)0; num_queues = vif->num_queues; queue_index = 0U; goto ldv_48988; ldv_48987: queue = vif->queues + (unsigned long )queue_index; disable_irq(queue->tx_irq); if (queue->tx_irq != queue->rx_irq) { disable_irq(queue->rx_irq); } else { } napi_disable(& queue->napi); ldv_del_timer_sync_17(& queue->credit_timeout); queue_index = queue_index + 1U; ldv_48988: ; if (queue_index < num_queues) { goto ldv_48987; } else { } return; } } static int xenvif_open(struct net_device *dev ) { struct xenvif *vif ; void *tmp ; int tmp___0 ; { tmp = netdev_priv((struct net_device const *)dev); vif = (struct xenvif *)tmp; tmp___0 = constant_test_bit(0L, (unsigned long const volatile *)(& vif->status)); if (tmp___0 != 0) { xenvif_up(vif); } else { } netif_tx_start_all_queues(dev); return (0); } } static int xenvif_close(struct net_device *dev ) { struct xenvif *vif ; void *tmp ; int tmp___0 ; { tmp = netdev_priv((struct net_device const *)dev); vif = (struct xenvif *)tmp; tmp___0 = constant_test_bit(0L, (unsigned long const volatile *)(& vif->status)); if (tmp___0 != 0) { xenvif_down(vif); } else { } netif_tx_stop_all_queues(dev); return (0); } } static int xenvif_change_mtu(struct net_device *dev , int mtu ) { struct xenvif *vif ; void *tmp ; int max ; { tmp = netdev_priv((struct net_device const *)dev); vif = (struct xenvif *)tmp; max = (unsigned int )*((unsigned char *)vif + 24UL) != 0U ? 65517 : 1500; if (mtu > max) { return (-22); } else { } dev->mtu = (unsigned int )mtu; return (0); } } static netdev_features_t xenvif_fix_features(struct net_device *dev , netdev_features_t features ) { struct xenvif *vif ; void *tmp ; { tmp = netdev_priv((struct net_device const *)dev); vif = (struct xenvif *)tmp; if ((unsigned int )*((unsigned char *)vif + 24UL) == 0U) { features = features & 0xfffffffffffffffeULL; } else { } if (((vif->gso_mask | vif->gso_prefix_mask) & 2) == 0) { features = features & 0xfffffffffffeffffULL; } else { } if (((vif->gso_mask | vif->gso_prefix_mask) & 4) == 0) { features = features & 0xffffffffffefffffULL; } else { } if ((unsigned int )*((unsigned char *)vif + 24UL) == 0U) { features = features & 0xfffffffffffffffdULL; } else { } if ((unsigned int )*((unsigned char *)vif + 24UL) == 0U) { features = features & 0xffffffffffffffefULL; } else { } return (features); } } static struct xenvif_stat const xenvif_stats[5U] = { {{'r', 'x', '_', 'g', 's', 'o', '_', 'c', 'h', 'e', 'c', 'k', 's', 'u', 'm', '_', 'f', 'i', 'x', 'u', 'p', '\000'}, 16U}, {{'t', 'x', '_', 'z', 'e', 'r', 'o', 'c', 'o', 'p', 'y', '_', 's', 'e', 'n', 't', '\000'}, 24U}, {{'t', 'x', '_', 'z', 'e', 'r', 'o', 'c', 'o', 'p', 'y', '_', 's', 'u', 'c', 'c', 'e', 's', 's', '\000'}, 32U}, {{'t', 'x', '_', 'z', 'e', 'r', 'o', 'c', 'o', 'p', 'y', '_', 'f', 'a', 'i', 'l', '\000'}, 40U}, {{'t', 'x', '_', 'f', 'r', 'a', 'g', '_', 'o', 'v', 'e', 'r', 'f', 'l', 'o', 'w', '\000'}, 48U}}; static int xenvif_get_sset_count(struct net_device *dev , int string_set ) { { switch (string_set) { case 1: ; return (5); default: ; return (-22); } } } static void xenvif_get_ethtool_stats(struct net_device *dev , struct ethtool_stats *stats , u64 *data ) { struct xenvif *vif ; void *tmp ; unsigned int num_queues ; int i ; unsigned int queue_index ; unsigned long accum ; void *vif_stats ; { tmp = netdev_priv((struct net_device const *)dev); vif = (struct xenvif *)tmp; num_queues = vif->num_queues; i = 0; goto ldv_49038; ldv_49037: accum = 0UL; queue_index = 0U; goto ldv_49035; ldv_49034: vif_stats = (void *)(& (vif->queues + (unsigned long )queue_index)->stats); accum = *((unsigned long *)vif_stats + (unsigned long )xenvif_stats[i].offset) + accum; queue_index = queue_index + 1U; ldv_49035: ; if (queue_index < num_queues) { goto ldv_49034; } else { } *(data + (unsigned long )i) = (u64 )accum; i = i + 1; ldv_49038: ; if ((unsigned int )i <= 4U) { goto ldv_49037; } else { } return; } } static void xenvif_get_strings(struct net_device *dev , u32 stringset , u8 *data ) { int i ; { switch (stringset) { case 1U: i = 0; goto ldv_49050; ldv_49049: memcpy((void *)data + (unsigned long )(i * 32), (void const *)(& xenvif_stats[i].name), 32UL); i = i + 1; ldv_49050: ; if ((unsigned int )i <= 4U) { goto ldv_49049; } else { } goto ldv_49052; } ldv_49052: ; return; } } static struct ethtool_ops const xenvif_ethtool_ops = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, & ethtool_op_get_link, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, & xenvif_get_strings, 0, & xenvif_get_ethtool_stats, 0, 0, 0, 0, & xenvif_get_sset_count, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; static struct net_device_ops const xenvif_netdev_ops = {0, 0, & xenvif_open, & xenvif_close, (netdev_tx_t (*)(struct sk_buff * , struct net_device * ))(& xenvif_start_xmit), 0, 0, 0, & eth_mac_addr, & eth_validate_addr, 0, 0, & xenvif_change_mtu, 0, 0, 0, & xenvif_get_stats, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, & xenvif_fix_features, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; struct xenvif *xenvif_alloc(struct device *parent , domid_t domid , unsigned int handle ) { int err ; struct net_device *dev ; struct xenvif *vif ; char name[16U] ; void *tmp ; void *tmp___0 ; struct lock_class_key __key ; void *tmp___1 ; struct _ddebug descriptor ; long tmp___2 ; { name[0] = (char)0; name[1] = (char)0; name[2] = (char)0; name[3] = (char)0; name[4] = (char)0; name[5] = (char)0; name[6] = (char)0; name[7] = (char)0; name[8] = (char)0; name[9] = (char)0; name[10] = (char)0; name[11] = (char)0; name[12] = (char)0; name[13] = (char)0; name[14] = (char)0; name[15] = (char)0; snprintf((char *)(& name), 15UL, "vif%u.%u", (int )domid, handle); dev = alloc_netdev_mqs(192, (char const *)(& name), 0, & ether_setup, xenvif_max_queues, xenvif_max_queues); if ((unsigned long )dev == (unsigned long )((struct net_device *)0)) { printk("\fxen_netback:%s: Could not allocate netdev for %s\n", "xenvif_alloc", (char *)(& name)); tmp = ERR_PTR(-12L); return ((struct xenvif *)tmp); } else { } dev->dev.parent = parent; tmp___0 = netdev_priv((struct net_device const *)dev); vif = (struct xenvif *)tmp___0; vif->domid = domid; vif->handle = handle; vif->can_sg = 1U; vif->ip_csum = 1U; vif->dev = dev; vif->disabled = 0; vif->drain_timeout = msecs_to_jiffies(rx_drain_timeout_msecs); vif->stall_timeout = msecs_to_jiffies(rx_stall_timeout_msecs); vif->queues = (struct xenvif_queue *)0; vif->num_queues = 0U; spinlock_check(& vif->lock); __raw_spin_lock_init(& vif->lock.__annonCompField18.rlock, "&(&vif->lock)->rlock", & __key); dev->netdev_ops = & xenvif_netdev_ops; dev->hw_features = 1114131ULL; dev->features = dev->hw_features | 17179869184ULL; dev->ethtool_ops = & xenvif_ethtool_ops; dev->tx_queue_len = 32UL; eth_broadcast_addr(dev->dev_addr); *(dev->dev_addr) = (unsigned int )*(dev->dev_addr) & 254U; netif_carrier_off(dev); err = ldv_register_netdev_18(dev); if (err != 0) { netdev_warn((struct net_device const *)dev, "Could not register device: err=%d\n", err); ldv_free_netdev_19(dev); tmp___1 = ERR_PTR((long )err); return ((struct xenvif *)tmp___1); } else { } descriptor.modname = "xen_netback"; descriptor.function = "xenvif_alloc"; descriptor.filename = "/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/interface.c"; descriptor.format = "Successfully created xenvif\n"; descriptor.lineno = 452U; descriptor.flags = 0U; tmp___2 = ldv__builtin_expect((long )descriptor.flags & 1L, 0L); if (tmp___2 != 0L) { __dynamic_netdev_dbg(& descriptor, (struct net_device const *)dev, "Successfully created xenvif\n"); } else { } ldv___module_get_20(& __this_module); return (vif); } } int xenvif_init_queue(struct xenvif_queue *queue ) { int err ; int i ; unsigned long tmp ; struct lock_class_key __key ; struct lock_class_key __key___0 ; struct ubuf_info __constr_expr_0 ; { tmp = 0xffffffffffffffffUL; queue->remaining_credit = tmp; queue->credit_bytes = tmp; queue->credit_usec = 0UL; reg_timer_1(& queue->credit_timeout); queue->credit_timeout.function = & xenvif_tx_credit_callback; queue->credit_window_start = get_jiffies_64(); queue->rx_queue_max = 524288U; skb_queue_head_init(& queue->rx_queue); skb_queue_head_init(& queue->tx_queue); queue->pending_cons = 0U; queue->pending_prod = 256U; i = 0; goto ldv_49073; ldv_49072: queue->pending_ring[i] = (u16 )i; i = i + 1; ldv_49073: ; if ((unsigned int )i <= 255U) { goto ldv_49072; } else { } spinlock_check(& queue->callback_lock); __raw_spin_lock_init(& queue->callback_lock.__annonCompField18.rlock, "&(&queue->callback_lock)->rlock", & __key); spinlock_check(& queue->response_lock); __raw_spin_lock_init(& queue->response_lock.__annonCompField18.rlock, "&(&queue->response_lock)->rlock", & __key___0); err = gnttab_alloc_pages(256, (struct page **)(& queue->mmap_pages)); if (err != 0) { netdev_err((struct net_device const *)(queue->vif)->dev, "Could not reserve mmap_pages\n"); return (-12); } else { } i = 0; goto ldv_49079; ldv_49078: __constr_expr_0.callback = & xenvif_zerocopy_callback; __constr_expr_0.ctx = (void *)0; __constr_expr_0.desc = (unsigned long )i; queue->pending_tx_info[i].callback_struct = __constr_expr_0; queue->grant_tx_handle[i] = 4294967295U; i = i + 1; ldv_49079: ; if ((unsigned int )i <= 255U) { goto ldv_49078; } else { } return (0); } } void xenvif_carrier_on(struct xenvif *vif ) { bool tmp ; { rtnl_lock(); if ((unsigned int )*((unsigned char *)vif + 24UL) == 0U && (vif->dev)->mtu > 1500U) { dev_set_mtu(vif->dev, 1500); } else { } netdev_update_features(vif->dev); set_bit(0L, (unsigned long volatile *)(& vif->status)); tmp = netif_running((struct net_device const *)vif->dev); if ((int )tmp) { xenvif_up(vif); } else { } rtnl_unlock(); return; } } int xenvif_connect(struct xenvif_queue *queue , unsigned long tx_ring_ref , unsigned long rx_ring_ref , unsigned int tx_evtchn , unsigned int rx_evtchn ) { struct task_struct *task ; int err ; long tmp ; long tmp___0 ; long tmp___1 ; struct lock_class_key __key ; struct lock_class_key __key___0 ; unsigned int tmp___2 ; long tmp___3 ; bool tmp___4 ; long tmp___5 ; bool tmp___6 ; { err = -12; tmp = ldv__builtin_expect(queue->tx_irq != 0U, 0L); if (tmp != 0L) { __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/interface.c"), "i" (523), "i" (12UL)); ldv_49093: ; goto ldv_49093; } else { } tmp___0 = ldv__builtin_expect((unsigned long )queue->task != (unsigned long )((struct task_struct *)0), 0L); if (tmp___0 != 0L) { __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/interface.c"), "i" (524), "i" (12UL)); ldv_49094: ; goto ldv_49094; } else { } tmp___1 = ldv__builtin_expect((unsigned long )queue->dealloc_task != (unsigned long )((struct task_struct *)0), 0L); if (tmp___1 != 0L) { __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/interface.c"), "i" (525), "i" (12UL)); ldv_49095: ; goto ldv_49095; } else { } err = xenvif_map_frontend_rings(queue, (grant_ref_t )tx_ring_ref, (grant_ref_t )rx_ring_ref); if (err < 0) { goto err; } else { } __init_waitqueue_head(& queue->wq, "&queue->wq", & __key); __init_waitqueue_head(& queue->dealloc_wq, "&queue->dealloc_wq", & __key___0); atomic_set(& queue->inflight_packets, 0); netif_napi_add((queue->vif)->dev, & queue->napi, & xenvif_poll, 64); if (tx_evtchn == rx_evtchn) { err = bind_interdomain_evtchn_to_irqhandler((unsigned int )(queue->vif)->domid, tx_evtchn, & xenvif_interrupt, 0UL, (char const *)(& queue->name), (void *)queue); if (err < 0) { goto err_unmap; } else { } tmp___2 = (unsigned int )err; queue->rx_irq = tmp___2; queue->tx_irq = tmp___2; disable_irq(queue->tx_irq); } else { snprintf((char *)(& queue->tx_irq_name), 24UL, "%s-tx", (char *)(& queue->name)); err = bind_interdomain_evtchn_to_irqhandler((unsigned int )(queue->vif)->domid, tx_evtchn, & xenvif_tx_interrupt, 0UL, (char const *)(& queue->tx_irq_name), (void *)queue); if (err < 0) { goto err_unmap; } else { } queue->tx_irq = (unsigned int )err; disable_irq(queue->tx_irq); snprintf((char *)(& queue->rx_irq_name), 24UL, "%s-rx", (char *)(& queue->name)); err = bind_interdomain_evtchn_to_irqhandler((unsigned int )(queue->vif)->domid, rx_evtchn, & xenvif_rx_interrupt, 0UL, (char const *)(& queue->rx_irq_name), (void *)queue); if (err < 0) { goto err_tx_unbind; } else { } queue->rx_irq = (unsigned int )err; disable_irq(queue->rx_irq); } queue->stalled = 1; task = kthread_create_on_node(& xenvif_kthread_guest_rx, (void *)queue, -1, "%s-guest-rx", (char *)(& queue->name)); tmp___4 = IS_ERR((void const *)task); if ((int )tmp___4) { printk("\fxen_netback:%s: Could not allocate kthread for %s\n", "xenvif_connect", (char *)(& queue->name)); tmp___3 = PTR_ERR((void const *)task); err = (int )tmp___3; goto err_rx_unbind; } else { } queue->task = task; atomic_inc(& task->usage); task = kthread_create_on_node(& xenvif_dealloc_kthread, (void *)queue, -1, "%s-dealloc", (char *)(& queue->name)); tmp___6 = IS_ERR((void const *)task); if ((int )tmp___6) { printk("\fxen_netback:%s: Could not allocate kthread for %s\n", "xenvif_connect", (char *)(& queue->name)); tmp___5 = PTR_ERR((void const *)task); err = (int )tmp___5; goto err_rx_unbind; } else { } queue->dealloc_task = task; wake_up_process(queue->task); wake_up_process(queue->dealloc_task); return (0); err_rx_unbind: unbind_from_irqhandler(queue->rx_irq, (void *)queue); queue->rx_irq = 0U; err_tx_unbind: unbind_from_irqhandler(queue->tx_irq, (void *)queue); queue->tx_irq = 0U; err_unmap: xenvif_unmap_frontend_rings(queue); err: ldv_module_put_21(& __this_module); return (err); } } void xenvif_carrier_off(struct xenvif *vif ) { struct net_device *dev ; bool tmp ; int tmp___0 ; { dev = vif->dev; rtnl_lock(); tmp___0 = test_and_clear_bit(0L, (unsigned long volatile *)(& vif->status)); if (tmp___0 != 0) { netif_carrier_off(dev); tmp = netif_running((struct net_device const *)dev); if ((int )tmp) { xenvif_down(vif); } else { } } else { } rtnl_unlock(); return; } } void xenvif_disconnect(struct xenvif *vif ) { struct xenvif_queue *queue ; unsigned int num_queues ; unsigned int queue_index ; { queue = (struct xenvif_queue *)0; num_queues = vif->num_queues; xenvif_carrier_off(vif); queue_index = 0U; goto ldv_49114; ldv_49113: queue = vif->queues + (unsigned long )queue_index; netif_napi_del(& queue->napi); if ((unsigned long )queue->task != (unsigned long )((struct task_struct *)0)) { kthread_stop(queue->task); put_task_struct(queue->task); queue->task = (struct task_struct *)0; } else { } if ((unsigned long )queue->dealloc_task != (unsigned long )((struct task_struct *)0)) { kthread_stop(queue->dealloc_task); queue->dealloc_task = (struct task_struct *)0; } else { } if (queue->tx_irq != 0U) { if (queue->tx_irq == queue->rx_irq) { unbind_from_irqhandler(queue->tx_irq, (void *)queue); } else { unbind_from_irqhandler(queue->tx_irq, (void *)queue); unbind_from_irqhandler(queue->rx_irq, (void *)queue); } queue->tx_irq = 0U; } else { } xenvif_unmap_frontend_rings(queue); queue_index = queue_index + 1U; ldv_49114: ; if (queue_index < num_queues) { goto ldv_49113; } else { } return; } } void xenvif_deinit_queue(struct xenvif_queue *queue ) { { gnttab_free_pages(256, (struct page **)(& queue->mmap_pages)); return; } } void xenvif_free(struct xenvif *vif ) { struct xenvif_queue *queue ; unsigned int num_queues ; unsigned int queue_index ; { queue = (struct xenvif_queue *)0; num_queues = vif->num_queues; ldv_unregister_netdev_22(vif->dev); queue_index = 0U; goto ldv_49126; ldv_49125: queue = vif->queues + (unsigned long )queue_index; xenvif_deinit_queue(queue); queue_index = queue_index + 1U; ldv_49126: ; if (queue_index < num_queues) { goto ldv_49125; } else { } vfree((void const *)vif->queues); vif->queues = (struct xenvif_queue *)0; vif->num_queues = 0U; ldv_free_netdev_23(vif->dev); ldv_module_put_24(& __this_module); return; } } extern int ldv_ndo_init_2(void) ; extern int ldv_ndo_uninit_2(void) ; int ldv_retval_3 ; int ldv_retval_2 ; void activate_pending_timer_1(struct timer_list *timer , unsigned long data , int pending_flag ) { { if ((unsigned long )ldv_timer_list_1 == (unsigned long )timer) { if (ldv_timer_state_1 == 2 || pending_flag != 0) { ldv_timer_list_1 = timer; ldv_timer_list_1->data = data; ldv_timer_state_1 = 1; } else { } return; } else { } reg_timer_1(timer); ldv_timer_list_1->data = data; return; } } void choose_timer_1(struct timer_list *timer ) { { LDV_IN_INTERRUPT = 2; (*(timer->function))(timer->data); LDV_IN_INTERRUPT = 1; ldv_timer_state_1 = 2; return; } } int reg_timer_1(struct timer_list *timer ) { { ldv_timer_list_1 = timer; ldv_timer_state_1 = 1; return (0); } } void ldv_initialize_ethtool_ops_3(void) { void *tmp ; { tmp = ldv_init_zalloc(3008UL); xenvif_ethtool_ops_group0 = (struct net_device *)tmp; return; } } void ldv_net_device_ops_2(void) { void *tmp ; { tmp = ldv_init_zalloc(3008UL); xenvif_netdev_ops_group1 = (struct net_device *)tmp; return; } } void disable_suitable_timer_1(struct timer_list *timer ) { { if ((unsigned long )timer == (unsigned long )ldv_timer_list_1) { ldv_timer_state_1 = 0; return; } else { } return; } } void ldv_main_exported_3(void) { struct ethtool_stats *ldvarg6 ; void *tmp ; u64 *ldvarg5 ; void *tmp___0 ; u8 *ldvarg3 ; void *tmp___1 ; u32 ldvarg4 ; int ldvarg7 ; int tmp___2 ; { tmp = ldv_init_zalloc(8UL); ldvarg6 = (struct ethtool_stats *)tmp; tmp___0 = ldv_init_zalloc(8UL); ldvarg5 = (u64 *)tmp___0; tmp___1 = ldv_init_zalloc(1UL); ldvarg3 = (u8 *)tmp___1; ldv_memset((void *)(& ldvarg4), 0, 4UL); ldv_memset((void *)(& ldvarg7), 0, 4UL); tmp___2 = __VERIFIER_nondet_int(); switch (tmp___2) { case 0: ; if (ldv_state_variable_3 == 1) { xenvif_get_sset_count(xenvif_ethtool_ops_group0, ldvarg7); ldv_state_variable_3 = 1; } else { } goto ldv_49163; case 1: ; if (ldv_state_variable_3 == 1) { xenvif_get_ethtool_stats(xenvif_ethtool_ops_group0, ldvarg6, ldvarg5); ldv_state_variable_3 = 1; } else { } goto ldv_49163; case 2: ; if (ldv_state_variable_3 == 1) { xenvif_get_strings(xenvif_ethtool_ops_group0, ldvarg4, ldvarg3); ldv_state_variable_3 = 1; } else { } goto ldv_49163; case 3: ; if (ldv_state_variable_3 == 1) { ethtool_op_get_link(xenvif_ethtool_ops_group0); ldv_state_variable_3 = 1; } else { } goto ldv_49163; default: ldv_stop(); } ldv_49163: ; return; } } void ldv_main_exported_2(void) { netdev_features_t ldvarg9 ; struct sk_buff *ldvarg10 ; void *tmp ; int ldvarg11 ; void *ldvarg8 ; void *tmp___0 ; int tmp___1 ; { tmp = ldv_init_zalloc(232UL); ldvarg10 = (struct sk_buff *)tmp; tmp___0 = ldv_init_zalloc(1UL); ldvarg8 = tmp___0; ldv_memset((void *)(& ldvarg9), 0, 8UL); ldv_memset((void *)(& ldvarg11), 0, 4UL); tmp___1 = __VERIFIER_nondet_int(); switch (tmp___1) { case 0: ; if (ldv_state_variable_2 == 1) { eth_validate_addr(xenvif_netdev_ops_group1); ldv_state_variable_2 = 1; } else { } if (ldv_state_variable_2 == 3) { eth_validate_addr(xenvif_netdev_ops_group1); ldv_state_variable_2 = 3; } else { } if (ldv_state_variable_2 == 2) { eth_validate_addr(xenvif_netdev_ops_group1); ldv_state_variable_2 = 2; } else { } goto ldv_49176; case 1: ; if (ldv_state_variable_2 == 3) { xenvif_close(xenvif_netdev_ops_group1); ldv_state_variable_2 = 2; } else { } goto ldv_49176; case 2: ; if (ldv_state_variable_2 == 1) { xenvif_get_stats(xenvif_netdev_ops_group1); ldv_state_variable_2 = 1; } else { } if (ldv_state_variable_2 == 3) { xenvif_get_stats(xenvif_netdev_ops_group1); ldv_state_variable_2 = 3; } else { } if (ldv_state_variable_2 == 2) { xenvif_get_stats(xenvif_netdev_ops_group1); ldv_state_variable_2 = 2; } else { } goto ldv_49176; case 3: ; if (ldv_state_variable_2 == 3) { xenvif_change_mtu(xenvif_netdev_ops_group1, ldvarg11); ldv_state_variable_2 = 3; } else { } if (ldv_state_variable_2 == 2) { xenvif_change_mtu(xenvif_netdev_ops_group1, ldvarg11); ldv_state_variable_2 = 2; } else { } goto ldv_49176; case 4: ; if (ldv_state_variable_2 == 2) { ldv_retval_3 = xenvif_open(xenvif_netdev_ops_group1); if (ldv_retval_3 == 0) { ldv_state_variable_2 = 3; } else { } } else { } goto ldv_49176; case 5: ; if (ldv_state_variable_2 == 3) { xenvif_start_xmit(ldvarg10, xenvif_netdev_ops_group1); ldv_state_variable_2 = 3; } else { } goto ldv_49176; case 6: ; if (ldv_state_variable_2 == 1) { xenvif_fix_features(xenvif_netdev_ops_group1, ldvarg9); ldv_state_variable_2 = 1; } else { } if (ldv_state_variable_2 == 3) { xenvif_fix_features(xenvif_netdev_ops_group1, ldvarg9); ldv_state_variable_2 = 3; } else { } if (ldv_state_variable_2 == 2) { xenvif_fix_features(xenvif_netdev_ops_group1, ldvarg9); ldv_state_variable_2 = 2; } else { } goto ldv_49176; case 7: ; if (ldv_state_variable_2 == 1) { eth_mac_addr(xenvif_netdev_ops_group1, ldvarg8); ldv_state_variable_2 = 1; } else { } if (ldv_state_variable_2 == 3) { eth_mac_addr(xenvif_netdev_ops_group1, ldvarg8); ldv_state_variable_2 = 3; } else { } if (ldv_state_variable_2 == 2) { eth_mac_addr(xenvif_netdev_ops_group1, ldvarg8); ldv_state_variable_2 = 2; } else { } goto ldv_49176; case 8: ; if (ldv_state_variable_2 == 1) { ldv_retval_2 = ldv_ndo_init_2(); if (ldv_retval_2 == 0) { ldv_state_variable_2 = 2; ref_cnt = ref_cnt + 1; } else { } } else { } goto ldv_49176; case 9: ; if (ldv_state_variable_2 == 2) { ldv_ndo_uninit_2(); ldv_state_variable_2 = 1; ref_cnt = ref_cnt - 1; } else { } goto ldv_49176; default: ldv_stop(); } ldv_49176: ; return; } } __inline static void *ERR_PTR(long error ) { void *tmp ; { tmp = ldv_err_ptr(error); return (tmp); } } int ldv_del_timer_sync_17(struct timer_list *ldv_func_arg1 ) { ldv_func_ret_type ldv_func_res ; int tmp ; { tmp = del_timer_sync(ldv_func_arg1); ldv_func_res = tmp; disable_suitable_timer_1(ldv_func_arg1); return (ldv_func_res); } } int ldv_register_netdev_18(struct net_device *dev ) { ldv_func_ret_type___0 ldv_func_res ; int tmp ; { tmp = register_netdev(dev); ldv_func_res = tmp; ldv_state_variable_2 = 1; ldv_net_device_ops_2(); return (ldv_func_res); } } void ldv_free_netdev_19(struct net_device *dev ) { { free_netdev(dev); ldv_state_variable_2 = 0; return; } } void ldv___module_get_20(struct module *ldv_func_arg1 ) { { ldv_module_get(ldv_func_arg1); return; } } void ldv_module_put_21(struct module *ldv_func_arg1 ) { { ldv_module_put(ldv_func_arg1); return; } } void ldv_unregister_netdev_22(struct net_device *dev ) { { unregister_netdev(dev); ldv_state_variable_2 = 0; return; } } void ldv_free_netdev_23(struct net_device *dev ) { { free_netdev(dev); ldv_state_variable_2 = 0; return; } } void ldv_module_put_24(struct module *ldv_func_arg1 ) { { ldv_module_put(ldv_func_arg1); return; } } extern void *memset(void * , int , size_t ) ; __inline static void ldv_error(void) { { ERROR: ; __VERIFIER_error(); } } bool ldv_is_err(void const *ptr ) { { return ((unsigned long )ptr > 2012UL); } } void *ldv_err_ptr(long error ) { { return ((void *)(2012L - error)); } } long ldv_ptr_err(void const *ptr ) { { return ((long )(2012UL - (unsigned long )ptr)); } } bool ldv_is_err_or_null(void const *ptr ) { bool tmp ; int tmp___0 ; { if ((unsigned long )ptr == (unsigned long )((void const *)0)) { tmp___0 = 1; } else { tmp = ldv_is_err(ptr); if ((int )tmp) { tmp___0 = 1; } else { tmp___0 = 0; } } return ((bool )tmp___0); } } int ldv_module_refcounter = 1; void ldv_module_get(struct module *module ) { { if ((unsigned long )module != (unsigned long )((struct module *)0)) { ldv_module_refcounter = ldv_module_refcounter + 1; } else { } return; } } int ldv_try_module_get(struct module *module ) { int module_get_succeeded ; { if ((unsigned long )module != (unsigned long )((struct module *)0)) { module_get_succeeded = ldv_undef_int(); if (module_get_succeeded == 1) { ldv_module_refcounter = ldv_module_refcounter + 1; return (1); } else { return (0); } } else { } return (0); } } void ldv_module_put(struct module *module ) { { if ((unsigned long )module != (unsigned long )((struct module *)0)) { if (ldv_module_refcounter <= 1) { ldv_error(); } else { } ldv_module_refcounter = ldv_module_refcounter - 1; } else { } return; } } void ldv_module_put_and_exit(void) { { ldv_module_put((struct module *)1); LDV_STOP: ; goto LDV_STOP; } } unsigned int ldv_module_refcount(void) { { return ((unsigned int )(ldv_module_refcounter + -1)); } } void ldv_check_final_state(void) { { if (ldv_module_refcounter != 1) { ldv_error(); } else { } return; } }