Lines Matching refs:sk
432 void (*sk_data_ready)(struct sock *sk);
484 struct sk_buff* (*sk_validate_xmit_skb)(struct sock *sk,
539 void (*sk_state_change)(struct sock *sk);
540 void (*sk_write_space)(struct sock *sk);
541 void (*sk_error_report)(struct sock *sk);
542 int (*sk_backlog_rcv)(struct sock *sk,
544 void (*sk_destruct)(struct sock *sk);
594 static inline bool sk_user_data_is_nocopy(const struct sock *sk) in sk_user_data_is_nocopy() argument
596 return ((uintptr_t)sk->sk_user_data & SK_USER_DATA_NOCOPY); in sk_user_data_is_nocopy()
599 #define __sk_user_data(sk) ((*((void __rcu **)&(sk)->sk_user_data))) argument
612 __locked_read_sk_user_data_with_flags(const struct sock *sk, in __locked_read_sk_user_data_with_flags() argument
616 (uintptr_t)rcu_dereference_check(__sk_user_data(sk), in __locked_read_sk_user_data_with_flags()
617 lockdep_is_held(&sk->sk_callback_lock)); in __locked_read_sk_user_data_with_flags()
635 __rcu_dereference_sk_user_data_with_flags(const struct sock *sk, in __rcu_dereference_sk_user_data_with_flags() argument
638 uintptr_t sk_user_data = (uintptr_t)rcu_dereference(__sk_user_data(sk)); in __rcu_dereference_sk_user_data_with_flags()
647 #define rcu_dereference_sk_user_data(sk) \ argument
648 __rcu_dereference_sk_user_data_with_flags(sk, 0)
649 #define __rcu_assign_sk_user_data_with_flags(sk, ptr, flags) \ argument
655 rcu_assign_pointer(__sk_user_data((sk)), \
658 #define rcu_assign_sk_user_data(sk, ptr) \ argument
659 __rcu_assign_sk_user_data_with_flags(sk, ptr, 0)
662 struct net *sock_net(const struct sock *sk) in sock_net() argument
664 return read_pnet(&sk->sk_net); in sock_net()
668 void sock_net_set(struct sock *sk, struct net *net) in sock_net_set() argument
670 write_pnet(&sk->sk_net, net); in sock_net_set()
684 int sk_set_peek_off(struct sock *sk, int val);
686 static inline int sk_peek_offset(const struct sock *sk, int flags) in sk_peek_offset() argument
689 return READ_ONCE(sk->sk_peek_off); in sk_peek_offset()
695 static inline void sk_peek_offset_bwd(struct sock *sk, int val) in sk_peek_offset_bwd() argument
697 s32 off = READ_ONCE(sk->sk_peek_off); in sk_peek_offset_bwd()
701 WRITE_ONCE(sk->sk_peek_off, off); in sk_peek_offset_bwd()
705 static inline void sk_peek_offset_fwd(struct sock *sk, int val) in sk_peek_offset_fwd() argument
707 sk_peek_offset_bwd(sk, -val); in sk_peek_offset_fwd()
738 static inline struct sock *sk_next(const struct sock *sk) in sk_next() argument
740 return hlist_entry_safe(sk->sk_node.next, struct sock, sk_node); in sk_next()
743 static inline struct sock *sk_nulls_next(const struct sock *sk) in sk_nulls_next() argument
745 return (!is_a_nulls(sk->sk_nulls_node.next)) ? in sk_nulls_next()
746 hlist_nulls_entry(sk->sk_nulls_node.next, in sk_nulls_next()
751 static inline bool sk_unhashed(const struct sock *sk) in sk_unhashed() argument
753 return hlist_unhashed(&sk->sk_node); in sk_unhashed()
756 static inline bool sk_hashed(const struct sock *sk) in sk_hashed() argument
758 return !sk_unhashed(sk); in sk_hashed()
766 static inline void __sk_del_node(struct sock *sk) in __sk_del_node() argument
768 __hlist_del(&sk->sk_node); in __sk_del_node()
772 static inline bool __sk_del_node_init(struct sock *sk) in __sk_del_node_init() argument
774 if (sk_hashed(sk)) { in __sk_del_node_init()
775 __sk_del_node(sk); in __sk_del_node_init()
776 sk_node_init(&sk->sk_node); in __sk_del_node_init()
788 static __always_inline void sock_hold(struct sock *sk) in sock_hold() argument
790 refcount_inc(&sk->sk_refcnt); in sock_hold()
796 static __always_inline void __sock_put(struct sock *sk) in __sock_put() argument
798 refcount_dec(&sk->sk_refcnt); in __sock_put()
801 static inline bool sk_del_node_init(struct sock *sk) in sk_del_node_init() argument
803 bool rc = __sk_del_node_init(sk); in sk_del_node_init()
807 WARN_ON(refcount_read(&sk->sk_refcnt) == 1); in sk_del_node_init()
808 __sock_put(sk); in sk_del_node_init()
812 #define sk_del_node_init_rcu(sk) sk_del_node_init(sk) argument
814 static inline bool __sk_nulls_del_node_init_rcu(struct sock *sk) in __sk_nulls_del_node_init_rcu() argument
816 if (sk_hashed(sk)) { in __sk_nulls_del_node_init_rcu()
817 hlist_nulls_del_init_rcu(&sk->sk_nulls_node); in __sk_nulls_del_node_init_rcu()
823 static inline bool sk_nulls_del_node_init_rcu(struct sock *sk) in sk_nulls_del_node_init_rcu() argument
825 bool rc = __sk_nulls_del_node_init_rcu(sk); in sk_nulls_del_node_init_rcu()
829 WARN_ON(refcount_read(&sk->sk_refcnt) == 1); in sk_nulls_del_node_init_rcu()
830 __sock_put(sk); in sk_nulls_del_node_init_rcu()
835 static inline void __sk_add_node(struct sock *sk, struct hlist_head *list) in __sk_add_node() argument
837 hlist_add_head(&sk->sk_node, list); in __sk_add_node()
840 static inline void sk_add_node(struct sock *sk, struct hlist_head *list) in sk_add_node() argument
842 sock_hold(sk); in sk_add_node()
843 __sk_add_node(sk, list); in sk_add_node()
846 static inline void sk_add_node_rcu(struct sock *sk, struct hlist_head *list) in sk_add_node_rcu() argument
848 sock_hold(sk); in sk_add_node_rcu()
849 if (IS_ENABLED(CONFIG_IPV6) && sk->sk_reuseport && in sk_add_node_rcu()
850 sk->sk_family == AF_INET6) in sk_add_node_rcu()
851 hlist_add_tail_rcu(&sk->sk_node, list); in sk_add_node_rcu()
853 hlist_add_head_rcu(&sk->sk_node, list); in sk_add_node_rcu()
856 static inline void sk_add_node_tail_rcu(struct sock *sk, struct hlist_head *list) in sk_add_node_tail_rcu() argument
858 sock_hold(sk); in sk_add_node_tail_rcu()
859 hlist_add_tail_rcu(&sk->sk_node, list); in sk_add_node_tail_rcu()
862 static inline void __sk_nulls_add_node_rcu(struct sock *sk, struct hlist_nulls_head *list) in __sk_nulls_add_node_rcu() argument
864 hlist_nulls_add_head_rcu(&sk->sk_nulls_node, list); in __sk_nulls_add_node_rcu()
867 static inline void __sk_nulls_add_node_tail_rcu(struct sock *sk, struct hlist_nulls_head *list) in __sk_nulls_add_node_tail_rcu() argument
869 hlist_nulls_add_tail_rcu(&sk->sk_nulls_node, list); in __sk_nulls_add_node_tail_rcu()
872 static inline void sk_nulls_add_node_rcu(struct sock *sk, struct hlist_nulls_head *list) in sk_nulls_add_node_rcu() argument
874 sock_hold(sk); in sk_nulls_add_node_rcu()
875 __sk_nulls_add_node_rcu(sk, list); in sk_nulls_add_node_rcu()
878 static inline void __sk_del_bind_node(struct sock *sk) in __sk_del_bind_node() argument
880 __hlist_del(&sk->sk_bind_node); in __sk_del_bind_node()
883 static inline void sk_add_bind_node(struct sock *sk, in sk_add_bind_node() argument
886 hlist_add_head(&sk->sk_bind_node, list); in sk_add_bind_node()
923 static inline struct user_namespace *sk_user_ns(const struct sock *sk) in sk_user_ns() argument
929 return sk->sk_socket->file->f_cred->user_ns; in sk_user_ns()
982 static inline void sock_set_flag(struct sock *sk, enum sock_flags flag) in sock_set_flag() argument
984 __set_bit(flag, &sk->sk_flags); in sock_set_flag()
987 static inline void sock_reset_flag(struct sock *sk, enum sock_flags flag) in sock_reset_flag() argument
989 __clear_bit(flag, &sk->sk_flags); in sock_reset_flag()
992 static inline void sock_valbool_flag(struct sock *sk, enum sock_flags bit, in sock_valbool_flag() argument
996 sock_set_flag(sk, bit); in sock_valbool_flag()
998 sock_reset_flag(sk, bit); in sock_valbool_flag()
1001 static inline bool sock_flag(const struct sock *sk, enum sock_flags flag) in sock_flag() argument
1003 return test_bit(flag, &sk->sk_flags); in sock_flag()
1025 static inline gfp_t sk_gfp_mask(const struct sock *sk, gfp_t gfp_mask) in sk_gfp_mask() argument
1027 return gfp_mask | (sk->sk_allocation & __GFP_MEMALLOC); in sk_gfp_mask()
1030 static inline void sk_acceptq_removed(struct sock *sk) in sk_acceptq_removed() argument
1032 WRITE_ONCE(sk->sk_ack_backlog, sk->sk_ack_backlog - 1); in sk_acceptq_removed()
1035 static inline void sk_acceptq_added(struct sock *sk) in sk_acceptq_added() argument
1037 WRITE_ONCE(sk->sk_ack_backlog, sk->sk_ack_backlog + 1); in sk_acceptq_added()
1044 static inline bool sk_acceptq_is_full(const struct sock *sk) in sk_acceptq_is_full() argument
1046 return READ_ONCE(sk->sk_ack_backlog) > READ_ONCE(sk->sk_max_ack_backlog); in sk_acceptq_is_full()
1052 static inline int sk_stream_min_wspace(const struct sock *sk) in sk_stream_min_wspace() argument
1054 return READ_ONCE(sk->sk_wmem_queued) >> 1; in sk_stream_min_wspace()
1057 static inline int sk_stream_wspace(const struct sock *sk) in sk_stream_wspace() argument
1059 return READ_ONCE(sk->sk_sndbuf) - READ_ONCE(sk->sk_wmem_queued); in sk_stream_wspace()
1062 static inline void sk_wmem_queued_add(struct sock *sk, int val) in sk_wmem_queued_add() argument
1064 WRITE_ONCE(sk->sk_wmem_queued, sk->sk_wmem_queued + val); in sk_wmem_queued_add()
1067 static inline void sk_forward_alloc_add(struct sock *sk, int val) in sk_forward_alloc_add() argument
1070 WRITE_ONCE(sk->sk_forward_alloc, sk->sk_forward_alloc + val); in sk_forward_alloc_add()
1073 void sk_stream_write_space(struct sock *sk);
1076 static inline void __sk_add_backlog(struct sock *sk, struct sk_buff *skb) in __sk_add_backlog() argument
1081 if (!sk->sk_backlog.tail) in __sk_add_backlog()
1082 WRITE_ONCE(sk->sk_backlog.head, skb); in __sk_add_backlog()
1084 sk->sk_backlog.tail->next = skb; in __sk_add_backlog()
1086 WRITE_ONCE(sk->sk_backlog.tail, skb); in __sk_add_backlog()
1095 static inline bool sk_rcvqueues_full(const struct sock *sk, unsigned int limit) in sk_rcvqueues_full() argument
1097 unsigned int qsize = sk->sk_backlog.len + atomic_read(&sk->sk_rmem_alloc); in sk_rcvqueues_full()
1103 static inline __must_check int sk_add_backlog(struct sock *sk, struct sk_buff *skb, in sk_add_backlog() argument
1106 if (sk_rcvqueues_full(sk, limit)) in sk_add_backlog()
1114 if (skb_pfmemalloc(skb) && !sock_flag(sk, SOCK_MEMALLOC)) in sk_add_backlog()
1117 __sk_add_backlog(sk, skb); in sk_add_backlog()
1118 sk->sk_backlog.len += skb->truesize; in sk_add_backlog()
1122 int __sk_backlog_rcv(struct sock *sk, struct sk_buff *skb);
1124 INDIRECT_CALLABLE_DECLARE(int tcp_v4_do_rcv(struct sock *sk, struct sk_buff *skb));
1125 INDIRECT_CALLABLE_DECLARE(int tcp_v6_do_rcv(struct sock *sk, struct sk_buff *skb));
1127 static inline int sk_backlog_rcv(struct sock *sk, struct sk_buff *skb) in sk_backlog_rcv() argument
1130 return __sk_backlog_rcv(sk, skb); in sk_backlog_rcv()
1132 return INDIRECT_CALL_INET(sk->sk_backlog_rcv, in sk_backlog_rcv()
1135 sk, skb); in sk_backlog_rcv()
1138 static inline void sk_incoming_cpu_update(struct sock *sk) in sk_incoming_cpu_update() argument
1142 if (unlikely(READ_ONCE(sk->sk_incoming_cpu) != cpu)) in sk_incoming_cpu_update()
1143 WRITE_ONCE(sk->sk_incoming_cpu, cpu); in sk_incoming_cpu_update()
1147 static inline void sock_rps_save_rxhash(struct sock *sk, in sock_rps_save_rxhash() argument
1154 if (unlikely(READ_ONCE(sk->sk_rxhash) != skb->hash)) in sock_rps_save_rxhash()
1155 WRITE_ONCE(sk->sk_rxhash, skb->hash); in sock_rps_save_rxhash()
1159 static inline void sock_rps_reset_rxhash(struct sock *sk) in sock_rps_reset_rxhash() argument
1163 WRITE_ONCE(sk->sk_rxhash, 0); in sock_rps_reset_rxhash()
1182 int sk_stream_wait_connect(struct sock *sk, long *timeo_p);
1183 int sk_stream_wait_memory(struct sock *sk, long *timeo_p);
1184 void sk_stream_wait_close(struct sock *sk, long timeo_p);
1185 int sk_stream_error(struct sock *sk, int flags, int err);
1186 void sk_stream_kill_queues(struct sock *sk);
1187 void sk_set_memalloc(struct sock *sk);
1188 void sk_clear_memalloc(struct sock *sk);
1190 void __sk_flush_backlog(struct sock *sk);
1192 static inline bool sk_flush_backlog(struct sock *sk) in sk_flush_backlog() argument
1194 if (unlikely(READ_ONCE(sk->sk_backlog.tail))) { in sk_flush_backlog()
1195 __sk_flush_backlog(sk); in sk_flush_backlog()
1201 int sk_wait_data(struct sock *sk, long *timeo, const struct sk_buff *skb);
1215 static inline void sk_prot_clear_nulls(struct sock *sk, int size) in sk_prot_clear_nulls() argument
1218 memset(sk, 0, offsetof(struct sock, sk_node.next)); in sk_prot_clear_nulls()
1219 memset(&sk->sk_node.pprev, 0, in sk_prot_clear_nulls()
1234 void (*close)(struct sock *sk,
1236 int (*pre_connect)(struct sock *sk,
1239 int (*connect)(struct sock *sk,
1242 int (*disconnect)(struct sock *sk, int flags);
1244 struct sock * (*accept)(struct sock *sk,
1247 int (*ioctl)(struct sock *sk, int cmd,
1249 int (*init)(struct sock *sk);
1250 void (*destroy)(struct sock *sk);
1251 void (*shutdown)(struct sock *sk, int how);
1252 int (*setsockopt)(struct sock *sk, int level,
1255 int (*getsockopt)(struct sock *sk, int level,
1258 void (*keepalive)(struct sock *sk, int valbool);
1260 int (*compat_ioctl)(struct sock *sk,
1263 int (*sendmsg)(struct sock *sk, struct msghdr *msg,
1265 int (*recvmsg)(struct sock *sk, struct msghdr *msg,
1268 int (*bind)(struct sock *sk,
1270 int (*bind_add)(struct sock *sk,
1273 int (*backlog_rcv) (struct sock *sk,
1278 void (*release_cb)(struct sock *sk);
1281 int (*hash)(struct sock *sk);
1282 void (*unhash)(struct sock *sk);
1283 void (*rehash)(struct sock *sk);
1284 int (*get_port)(struct sock *sk, unsigned short snum);
1285 void (*put_port)(struct sock *sk);
1287 int (*psock_update_sk_prot)(struct sock *sk,
1297 bool (*stream_memory_free)(const struct sock *sk, int wake);
1298 bool (*sock_is_readable)(struct sock *sk);
1300 void (*enter_memory_pressure)(struct sock *sk);
1301 void (*leave_memory_pressure)(struct sock *sk);
1348 int (*diag_destroy)(struct sock *sk, int err);
1355 INDIRECT_CALLABLE_DECLARE(bool tcp_stream_memory_free(const struct sock *sk, int wake));
1357 static inline bool __sk_stream_memory_free(const struct sock *sk, int wake) in __sk_stream_memory_free() argument
1359 if (READ_ONCE(sk->sk_wmem_queued) >= READ_ONCE(sk->sk_sndbuf)) in __sk_stream_memory_free()
1362 return sk->sk_prot->stream_memory_free ? in __sk_stream_memory_free()
1363 INDIRECT_CALL_INET_1(sk->sk_prot->stream_memory_free, in __sk_stream_memory_free()
1364 tcp_stream_memory_free, sk, wake) : true; in __sk_stream_memory_free()
1367 static inline bool sk_stream_memory_free(const struct sock *sk) in sk_stream_memory_free() argument
1369 return __sk_stream_memory_free(sk, 0); in sk_stream_memory_free()
1372 static inline bool __sk_stream_is_writeable(const struct sock *sk, int wake) in __sk_stream_is_writeable() argument
1374 return sk_stream_wspace(sk) >= sk_stream_min_wspace(sk) && in __sk_stream_is_writeable()
1375 __sk_stream_memory_free(sk, wake); in __sk_stream_is_writeable()
1378 static inline bool sk_stream_is_writeable(const struct sock *sk) in sk_stream_is_writeable() argument
1380 return __sk_stream_is_writeable(sk, 0); in sk_stream_is_writeable()
1383 static inline int sk_under_cgroup_hierarchy(struct sock *sk, in sk_under_cgroup_hierarchy() argument
1387 return cgroup_is_descendant(sock_cgroup_ptr(&sk->sk_cgrp_data), in sk_under_cgroup_hierarchy()
1396 static inline void sk_sockets_allocated_dec(struct sock *sk) in sk_sockets_allocated_dec() argument
1398 percpu_counter_add_batch(sk->sk_prot->sockets_allocated, -1, in sk_sockets_allocated_dec()
1402 static inline void sk_sockets_allocated_inc(struct sock *sk) in sk_sockets_allocated_inc() argument
1404 percpu_counter_add_batch(sk->sk_prot->sockets_allocated, 1, in sk_sockets_allocated_inc()
1409 sk_sockets_allocated_read_positive(struct sock *sk) in sk_sockets_allocated_read_positive() argument
1411 return percpu_counter_read_positive(sk->sk_prot->sockets_allocated); in sk_sockets_allocated_read_positive()
1455 static inline int __sk_prot_rehash(struct sock *sk) in __sk_prot_rehash() argument
1457 sk->sk_prot->unhash(sk); in __sk_prot_rehash()
1458 return sk->sk_prot->hash(sk); in __sk_prot_rehash()
1492 int __sk_mem_raise_allocated(struct sock *sk, int size, int amt, int kind);
1493 int __sk_mem_schedule(struct sock *sk, int size, int kind);
1494 void __sk_mem_reduce_allocated(struct sock *sk, int amount);
1495 void __sk_mem_reclaim(struct sock *sk, int amount);
1501 static inline long sk_prot_mem_limits(const struct sock *sk, int index) in sk_prot_mem_limits() argument
1503 return READ_ONCE(sk->sk_prot->sysctl_mem[index]); in sk_prot_mem_limits()
1511 static inline bool sk_has_account(struct sock *sk) in sk_has_account() argument
1514 return !!sk->sk_prot->memory_allocated; in sk_has_account()
1517 static inline bool sk_wmem_schedule(struct sock *sk, int size) in sk_wmem_schedule() argument
1521 if (!sk_has_account(sk)) in sk_wmem_schedule()
1523 delta = size - sk->sk_forward_alloc; in sk_wmem_schedule()
1524 return delta <= 0 || __sk_mem_schedule(sk, delta, SK_MEM_SEND); in sk_wmem_schedule()
1528 __sk_rmem_schedule(struct sock *sk, int size, bool pfmemalloc) in __sk_rmem_schedule() argument
1532 if (!sk_has_account(sk)) in __sk_rmem_schedule()
1534 delta = size - sk->sk_forward_alloc; in __sk_rmem_schedule()
1535 return delta <= 0 || __sk_mem_schedule(sk, delta, SK_MEM_RECV) || in __sk_rmem_schedule()
1540 sk_rmem_schedule(struct sock *sk, struct sk_buff *skb, int size) in sk_rmem_schedule() argument
1542 return __sk_rmem_schedule(sk, size, skb_pfmemalloc(skb)); in sk_rmem_schedule()
1545 static inline int sk_unused_reserved_mem(const struct sock *sk) in sk_unused_reserved_mem() argument
1549 if (likely(!sk->sk_reserved_mem)) in sk_unused_reserved_mem()
1552 unused_mem = sk->sk_reserved_mem - sk->sk_wmem_queued - in sk_unused_reserved_mem()
1553 atomic_read(&sk->sk_rmem_alloc); in sk_unused_reserved_mem()
1558 static inline void sk_mem_reclaim(struct sock *sk) in sk_mem_reclaim() argument
1562 if (!sk_has_account(sk)) in sk_mem_reclaim()
1565 reclaimable = sk->sk_forward_alloc - sk_unused_reserved_mem(sk); in sk_mem_reclaim()
1568 __sk_mem_reclaim(sk, reclaimable); in sk_mem_reclaim()
1571 static inline void sk_mem_reclaim_final(struct sock *sk) in sk_mem_reclaim_final() argument
1573 sk->sk_reserved_mem = 0; in sk_mem_reclaim_final()
1574 sk_mem_reclaim(sk); in sk_mem_reclaim_final()
1577 static inline void sk_mem_charge(struct sock *sk, int size) in sk_mem_charge() argument
1579 if (!sk_has_account(sk)) in sk_mem_charge()
1581 sk_forward_alloc_add(sk, -size); in sk_mem_charge()
1584 static inline void sk_mem_uncharge(struct sock *sk, int size) in sk_mem_uncharge() argument
1586 if (!sk_has_account(sk)) in sk_mem_uncharge()
1588 sk_forward_alloc_add(sk, size); in sk_mem_uncharge()
1589 sk_mem_reclaim(sk); in sk_mem_uncharge()
1593 static inline void sk_owner_set(struct sock *sk, struct module *owner) in sk_owner_set() argument
1596 sk->sk_owner = owner; in sk_owner_set()
1599 static inline void sk_owner_clear(struct sock *sk) in sk_owner_clear() argument
1601 sk->sk_owner = NULL; in sk_owner_clear()
1604 static inline void sk_owner_put(struct sock *sk) in sk_owner_put() argument
1606 module_put(sk->sk_owner); in sk_owner_put()
1609 static inline void sk_owner_set(struct sock *sk, struct module *owner) in sk_owner_set() argument
1613 static inline void sk_owner_clear(struct sock *sk) in sk_owner_clear() argument
1617 static inline void sk_owner_put(struct sock *sk) in sk_owner_put() argument
1628 #define sock_lock_init_class_and_name(sk, sname, skey, name, key) \ argument
1630 sk_owner_set(sk, THIS_MODULE); \
1631 sk->sk_lock.owned = 0; \
1632 init_waitqueue_head(&sk->sk_lock.wq); \
1633 spin_lock_init(&(sk)->sk_lock.slock); \
1634 debug_check_no_locks_freed((void *)&(sk)->sk_lock, \
1635 sizeof((sk)->sk_lock)); \
1636 lockdep_set_class_and_name(&(sk)->sk_lock.slock, \
1638 lockdep_init_map(&(sk)->sk_lock.dep_map, (name), (key), 0); \
1641 static inline bool lockdep_sock_is_held(const struct sock *sk) in lockdep_sock_is_held() argument
1643 return lockdep_is_held(&sk->sk_lock) || in lockdep_sock_is_held()
1644 lockdep_is_held(&sk->sk_lock.slock); in lockdep_sock_is_held()
1647 void lock_sock_nested(struct sock *sk, int subclass);
1649 static inline void lock_sock(struct sock *sk) in lock_sock() argument
1651 lock_sock_nested(sk, 0); in lock_sock()
1654 void __lock_sock(struct sock *sk);
1655 void __release_sock(struct sock *sk);
1656 void release_sock(struct sock *sk);
1665 bool __lock_sock_fast(struct sock *sk) __acquires(&sk->sk_lock.slock);
1680 static inline bool lock_sock_fast(struct sock *sk) in lock_sock_fast() argument
1683 mutex_acquire(&sk->sk_lock.dep_map, 0, 0, _RET_IP_); in lock_sock_fast()
1685 return __lock_sock_fast(sk); in lock_sock_fast()
1689 static inline bool lock_sock_fast_nested(struct sock *sk) in lock_sock_fast_nested() argument
1691 mutex_acquire(&sk->sk_lock.dep_map, SINGLE_DEPTH_NESTING, 0, _RET_IP_); in lock_sock_fast_nested()
1693 return __lock_sock_fast(sk); in lock_sock_fast_nested()
1704 static inline void unlock_sock_fast(struct sock *sk, bool slow) in unlock_sock_fast() argument
1705 __releases(&sk->sk_lock.slock) in unlock_sock_fast()
1708 release_sock(sk); in unlock_sock_fast()
1709 __release(&sk->sk_lock.slock); in unlock_sock_fast()
1711 mutex_release(&sk->sk_lock.dep_map, _RET_IP_); in unlock_sock_fast()
1712 spin_unlock_bh(&sk->sk_lock.slock); in unlock_sock_fast()
1716 void sockopt_lock_sock(struct sock *sk);
1717 void sockopt_release_sock(struct sock *sk);
1735 static inline void sock_owned_by_me(const struct sock *sk) in sock_owned_by_me() argument
1738 WARN_ON_ONCE(!lockdep_sock_is_held(sk) && debug_locks); in sock_owned_by_me()
1742 static inline void sock_not_owned_by_me(const struct sock *sk) in sock_not_owned_by_me() argument
1745 WARN_ON_ONCE(lockdep_sock_is_held(sk) && debug_locks); in sock_not_owned_by_me()
1749 static inline bool sock_owned_by_user(const struct sock *sk) in sock_owned_by_user() argument
1751 sock_owned_by_me(sk); in sock_owned_by_user()
1752 return sk->sk_lock.owned; in sock_owned_by_user()
1755 static inline bool sock_owned_by_user_nocheck(const struct sock *sk) in sock_owned_by_user_nocheck() argument
1757 return sk->sk_lock.owned; in sock_owned_by_user_nocheck()
1760 static inline void sock_release_ownership(struct sock *sk) in sock_release_ownership() argument
1762 DEBUG_NET_WARN_ON_ONCE(!sock_owned_by_user_nocheck(sk)); in sock_release_ownership()
1763 sk->sk_lock.owned = 0; in sock_release_ownership()
1766 mutex_release(&sk->sk_lock.dep_map, _RET_IP_); in sock_release_ownership()
1772 struct sock *sk = (struct sock *)csk; in sock_allow_reclassification() local
1774 return !sock_owned_by_user_nocheck(sk) && in sock_allow_reclassification()
1775 !spin_is_locked(&sk->sk_lock.slock); in sock_allow_reclassification()
1780 void sk_free(struct sock *sk);
1781 void sk_net_refcnt_upgrade(struct sock *sk);
1782 void sk_destruct(struct sock *sk);
1783 struct sock *sk_clone_lock(const struct sock *sk, const gfp_t priority);
1784 void sk_free_unlock_clone(struct sock *sk);
1786 struct sk_buff *sock_wmalloc(struct sock *sk, unsigned long size, int force,
1790 struct sk_buff *sock_omalloc(struct sock *sk, unsigned long size,
1799 static inline void skb_set_owner_edemux(struct sk_buff *skb, struct sock *sk) in skb_set_owner_edemux() argument
1802 if (refcount_inc_not_zero(&sk->sk_refcnt)) { in skb_set_owner_edemux()
1803 skb->sk = sk; in skb_set_owner_edemux()
1811 int sk_setsockopt(struct sock *sk, int level, int optname,
1820 int sk_getsockopt(struct sock *sk, int level, int optname,
1824 struct sk_buff *sock_alloc_send_pskb(struct sock *sk, unsigned long header_len,
1828 static inline struct sk_buff *sock_alloc_send_skb(struct sock *sk, in sock_alloc_send_skb() argument
1832 return sock_alloc_send_pskb(sk, size, 0, noblock, errcode, 0); in sock_alloc_send_skb()
1835 void *sock_kmalloc(struct sock *sk, int size, gfp_t priority);
1836 void *sock_kmemdup(struct sock *sk, const void *src,
1838 void sock_kfree_s(struct sock *sk, void *mem, int size);
1839 void sock_kzfree_s(struct sock *sk, void *mem, int size);
1840 void sk_send_sigurg(struct sock *sk);
1842 static inline void sock_replace_proto(struct sock *sk, struct proto *proto) in sock_replace_proto() argument
1844 if (sk->sk_socket) in sock_replace_proto()
1845 clear_bit(SOCK_SUPPORT_ZC, &sk->sk_socket->flags); in sock_replace_proto()
1846 WRITE_ONCE(sk->sk_prot, proto); in sock_replace_proto()
1858 const struct sock *sk) in sockcm_init() argument
1861 .mark = READ_ONCE(sk->sk_mark), in sockcm_init()
1862 .tsflags = READ_ONCE(sk->sk_tsflags), in sockcm_init()
1863 .priority = READ_ONCE(sk->sk_priority), in sockcm_init()
1867 int __sock_cmsg_send(struct sock *sk, struct cmsghdr *cmsg,
1869 int sock_cmsg_send(struct sock *sk, struct msghdr *msg,
1885 int sock_no_sendmsg_locked(struct sock *sk, struct msghdr *msg, size_t len);
1901 void sk_common_release(struct sock *sk);
1908 void sock_init_data_uid(struct socket *sock, struct sock *sk, kuid_t uid);
1913 void sock_init_data(struct socket *sock, struct sock *sk);
1941 static inline void sock_put(struct sock *sk) in sock_put() argument
1943 if (refcount_dec_and_test(&sk->sk_refcnt)) in sock_put()
1944 sk_free(sk); in sock_put()
1949 void sock_gen_put(struct sock *sk);
1951 int __sk_receive_skb(struct sock *sk, struct sk_buff *skb, const int nested,
1953 static inline int sk_receive_skb(struct sock *sk, struct sk_buff *skb, in sk_receive_skb() argument
1956 return __sk_receive_skb(sk, skb, nested, 1, true); in sk_receive_skb()
1959 static inline void sk_tx_queue_set(struct sock *sk, int tx_queue) in sk_tx_queue_set() argument
1967 WRITE_ONCE(sk->sk_tx_queue_mapping, tx_queue); in sk_tx_queue_set()
1972 static inline void sk_tx_queue_clear(struct sock *sk) in sk_tx_queue_clear() argument
1977 WRITE_ONCE(sk->sk_tx_queue_mapping, NO_QUEUE_MAPPING); in sk_tx_queue_clear()
1980 static inline int sk_tx_queue_get(const struct sock *sk) in sk_tx_queue_get() argument
1982 if (sk) { in sk_tx_queue_get()
1986 int val = READ_ONCE(sk->sk_tx_queue_mapping); in sk_tx_queue_get()
1994 static inline void __sk_rx_queue_set(struct sock *sk, in __sk_rx_queue_set() argument
2003 unlikely(READ_ONCE(sk->sk_rx_queue_mapping) != rx_queue)) in __sk_rx_queue_set()
2004 WRITE_ONCE(sk->sk_rx_queue_mapping, rx_queue); in __sk_rx_queue_set()
2009 static inline void sk_rx_queue_set(struct sock *sk, const struct sk_buff *skb) in sk_rx_queue_set() argument
2011 __sk_rx_queue_set(sk, skb, true); in sk_rx_queue_set()
2014 static inline void sk_rx_queue_update(struct sock *sk, const struct sk_buff *skb) in sk_rx_queue_update() argument
2016 __sk_rx_queue_set(sk, skb, false); in sk_rx_queue_update()
2019 static inline void sk_rx_queue_clear(struct sock *sk) in sk_rx_queue_clear() argument
2022 WRITE_ONCE(sk->sk_rx_queue_mapping, NO_QUEUE_MAPPING); in sk_rx_queue_clear()
2026 static inline int sk_rx_queue_get(const struct sock *sk) in sk_rx_queue_get() argument
2029 if (sk) { in sk_rx_queue_get()
2030 int res = READ_ONCE(sk->sk_rx_queue_mapping); in sk_rx_queue_get()
2040 static inline void sk_set_socket(struct sock *sk, struct socket *sock) in sk_set_socket() argument
2042 sk->sk_socket = sock; in sk_set_socket()
2045 static inline wait_queue_head_t *sk_sleep(struct sock *sk) in sk_sleep() argument
2048 return &rcu_dereference_raw(sk->sk_wq)->wait; in sk_sleep()
2057 static inline void sock_orphan(struct sock *sk) in sock_orphan() argument
2059 write_lock_bh(&sk->sk_callback_lock); in sock_orphan()
2060 sock_set_flag(sk, SOCK_DEAD); in sock_orphan()
2061 sk_set_socket(sk, NULL); in sock_orphan()
2062 sk->sk_wq = NULL; in sock_orphan()
2063 write_unlock_bh(&sk->sk_callback_lock); in sock_orphan()
2066 static inline void sock_graft(struct sock *sk, struct socket *parent) in sock_graft() argument
2068 WARN_ON(parent->sk); in sock_graft()
2069 write_lock_bh(&sk->sk_callback_lock); in sock_graft()
2070 rcu_assign_pointer(sk->sk_wq, &parent->wq); in sock_graft()
2071 parent->sk = sk; in sock_graft()
2072 sk_set_socket(sk, parent); in sock_graft()
2073 sk->sk_uid = SOCK_INODE(parent)->i_uid; in sock_graft()
2074 security_sock_graft(sk, parent); in sock_graft()
2075 write_unlock_bh(&sk->sk_callback_lock); in sock_graft()
2078 kuid_t sock_i_uid(struct sock *sk);
2079 unsigned long __sock_i_ino(struct sock *sk);
2080 unsigned long sock_i_ino(struct sock *sk);
2082 static inline kuid_t sock_net_uid(const struct net *net, const struct sock *sk) in sock_net_uid() argument
2084 return sk ? sk->sk_uid : make_kuid(net->user_ns, 0); in sock_net_uid()
2094 static inline void sk_set_txhash(struct sock *sk) in sk_set_txhash() argument
2097 WRITE_ONCE(sk->sk_txhash, net_tx_rndhash()); in sk_set_txhash()
2100 static inline bool sk_rethink_txhash(struct sock *sk) in sk_rethink_txhash() argument
2102 if (sk->sk_txhash && sk->sk_txrehash == SOCK_TXREHASH_ENABLED) { in sk_rethink_txhash()
2103 sk_set_txhash(sk); in sk_rethink_txhash()
2110 __sk_dst_get(const struct sock *sk) in __sk_dst_get() argument
2112 return rcu_dereference_check(sk->sk_dst_cache, in __sk_dst_get()
2113 lockdep_sock_is_held(sk)); in __sk_dst_get()
2117 sk_dst_get(const struct sock *sk) in sk_dst_get() argument
2122 dst = rcu_dereference(sk->sk_dst_cache); in sk_dst_get()
2129 static inline void __dst_negative_advice(struct sock *sk) in __dst_negative_advice() argument
2131 struct dst_entry *dst = __sk_dst_get(sk); in __dst_negative_advice()
2134 dst->ops->negative_advice(sk, dst); in __dst_negative_advice()
2137 static inline void dst_negative_advice(struct sock *sk) in dst_negative_advice() argument
2139 sk_rethink_txhash(sk); in dst_negative_advice()
2140 __dst_negative_advice(sk); in dst_negative_advice()
2144 __sk_dst_set(struct sock *sk, struct dst_entry *dst) in __sk_dst_set() argument
2148 sk_tx_queue_clear(sk); in __sk_dst_set()
2149 WRITE_ONCE(sk->sk_dst_pending_confirm, 0); in __sk_dst_set()
2150 old_dst = rcu_dereference_protected(sk->sk_dst_cache, in __sk_dst_set()
2151 lockdep_sock_is_held(sk)); in __sk_dst_set()
2152 rcu_assign_pointer(sk->sk_dst_cache, dst); in __sk_dst_set()
2157 sk_dst_set(struct sock *sk, struct dst_entry *dst) in sk_dst_set() argument
2161 sk_tx_queue_clear(sk); in sk_dst_set()
2162 WRITE_ONCE(sk->sk_dst_pending_confirm, 0); in sk_dst_set()
2163 old_dst = unrcu_pointer(xchg(&sk->sk_dst_cache, RCU_INITIALIZER(dst))); in sk_dst_set()
2168 __sk_dst_reset(struct sock *sk) in __sk_dst_reset() argument
2170 __sk_dst_set(sk, NULL); in __sk_dst_reset()
2174 sk_dst_reset(struct sock *sk) in sk_dst_reset() argument
2176 sk_dst_set(sk, NULL); in sk_dst_reset()
2179 struct dst_entry *__sk_dst_check(struct sock *sk, u32 cookie);
2181 struct dst_entry *sk_dst_check(struct sock *sk, u32 cookie);
2183 static inline void sk_dst_confirm(struct sock *sk) in sk_dst_confirm() argument
2185 if (!READ_ONCE(sk->sk_dst_pending_confirm)) in sk_dst_confirm()
2186 WRITE_ONCE(sk->sk_dst_pending_confirm, 1); in sk_dst_confirm()
2192 struct sock *sk = skb->sk; in sock_confirm_neigh() local
2194 if (sk && READ_ONCE(sk->sk_dst_pending_confirm)) in sock_confirm_neigh()
2195 WRITE_ONCE(sk->sk_dst_pending_confirm, 0); in sock_confirm_neigh()
2200 bool sk_mc_loop(const struct sock *sk);
2202 static inline bool sk_can_gso(const struct sock *sk) in sk_can_gso() argument
2204 return net_gso_ok(sk->sk_route_caps, sk->sk_gso_type); in sk_can_gso()
2207 void sk_setup_caps(struct sock *sk, struct dst_entry *dst);
2209 static inline void sk_gso_disable(struct sock *sk) in sk_gso_disable() argument
2211 sk->sk_gso_disabled = 1; in sk_gso_disable()
2212 sk->sk_route_caps &= ~NETIF_F_GSO_MASK; in sk_gso_disable()
2215 static inline int skb_do_copy_data_nocache(struct sock *sk, struct sk_buff *skb, in skb_do_copy_data_nocache() argument
2224 } else if (sk->sk_route_caps & NETIF_F_NOCACHE_COPY) { in skb_do_copy_data_nocache()
2233 static inline int skb_add_data_nocache(struct sock *sk, struct sk_buff *skb, in skb_add_data_nocache() argument
2238 err = skb_do_copy_data_nocache(sk, skb, from, skb_put(skb, copy), in skb_add_data_nocache()
2246 static inline int skb_copy_to_page_nocache(struct sock *sk, struct iov_iter *from, in skb_copy_to_page_nocache() argument
2253 err = skb_do_copy_data_nocache(sk, skb, from, page_address(page) + off, in skb_copy_to_page_nocache()
2259 sk_wmem_queued_add(sk, copy); in skb_copy_to_page_nocache()
2260 sk_mem_charge(sk, copy); in skb_copy_to_page_nocache()
2270 static inline int sk_wmem_alloc_get(const struct sock *sk) in sk_wmem_alloc_get() argument
2272 return refcount_read(&sk->sk_wmem_alloc) - 1; in sk_wmem_alloc_get()
2281 static inline int sk_rmem_alloc_get(const struct sock *sk) in sk_rmem_alloc_get() argument
2283 return atomic_read(&sk->sk_rmem_alloc); in sk_rmem_alloc_get()
2292 static inline bool sk_has_allocations(const struct sock *sk) in sk_has_allocations() argument
2294 return sk_wmem_alloc_get(sk) || sk_rmem_alloc_get(sk); in sk_has_allocations()
2352 static inline void skb_set_hash_from_sk(struct sk_buff *skb, struct sock *sk) in skb_set_hash_from_sk() argument
2355 u32 txhash = READ_ONCE(sk->sk_txhash); in skb_set_hash_from_sk()
2363 void skb_set_owner_w(struct sk_buff *skb, struct sock *sk);
2373 static inline void skb_set_owner_r(struct sk_buff *skb, struct sock *sk) in skb_set_owner_r() argument
2376 skb->sk = sk; in skb_set_owner_r()
2378 atomic_add(skb->truesize, &sk->sk_rmem_alloc); in skb_set_owner_r()
2379 sk_mem_charge(sk, skb->truesize); in skb_set_owner_r()
2382 static inline __must_check bool skb_set_owner_sk_safe(struct sk_buff *skb, struct sock *sk) in skb_set_owner_sk_safe() argument
2384 if (sk && refcount_inc_not_zero(&sk->sk_refcnt)) { in skb_set_owner_sk_safe()
2387 skb->sk = sk; in skb_set_owner_sk_safe()
2393 static inline struct sk_buff *skb_clone_and_charge_r(struct sk_buff *skb, struct sock *sk) in skb_clone_and_charge_r() argument
2395 skb = skb_clone(skb, sk_gfp_mask(sk, GFP_ATOMIC)); in skb_clone_and_charge_r()
2397 if (sk_rmem_schedule(sk, skb, skb->truesize)) { in skb_clone_and_charge_r()
2398 skb_set_owner_r(skb, sk); in skb_clone_and_charge_r()
2415 void sk_reset_timer(struct sock *sk, struct timer_list *timer,
2418 void sk_stop_timer(struct sock *sk, struct timer_list *timer);
2420 void sk_stop_timer_sync(struct sock *sk, struct timer_list *timer);
2422 int __sk_queue_drop_skb(struct sock *sk, struct sk_buff_head *sk_queue,
2424 void (*destructor)(struct sock *sk,
2426 int __sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb);
2428 int sock_queue_rcv_skb_reason(struct sock *sk, struct sk_buff *skb,
2431 static inline int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) in sock_queue_rcv_skb() argument
2433 return sock_queue_rcv_skb_reason(sk, skb, NULL); in sock_queue_rcv_skb()
2436 int sock_queue_err_skb(struct sock *sk, struct sk_buff *skb);
2437 struct sk_buff *sock_dequeue_err_skb(struct sock *sk);
2443 static inline int sock_error(struct sock *sk) in sock_error() argument
2450 if (likely(data_race(!sk->sk_err))) in sock_error()
2453 err = xchg(&sk->sk_err, 0); in sock_error()
2457 void sk_error_report(struct sock *sk);
2459 static inline unsigned long sock_wspace(struct sock *sk) in sock_wspace() argument
2463 if (!(sk->sk_shutdown & SEND_SHUTDOWN)) { in sock_wspace()
2464 amt = sk->sk_sndbuf - refcount_read(&sk->sk_wmem_alloc); in sock_wspace()
2475 static inline void sk_set_bit(int nr, struct sock *sk) in sk_set_bit() argument
2478 !sock_flag(sk, SOCK_FASYNC)) in sk_set_bit()
2481 set_bit(nr, &sk->sk_wq_raw->flags); in sk_set_bit()
2484 static inline void sk_clear_bit(int nr, struct sock *sk) in sk_clear_bit() argument
2487 !sock_flag(sk, SOCK_FASYNC)) in sk_clear_bit()
2490 clear_bit(nr, &sk->sk_wq_raw->flags); in sk_clear_bit()
2493 static inline void sk_wake_async(const struct sock *sk, int how, int band) in sk_wake_async() argument
2495 if (sock_flag(sk, SOCK_FASYNC)) { in sk_wake_async()
2497 sock_wake_async(rcu_dereference(sk->sk_wq), how, band); in sk_wake_async()
2502 static inline void sk_wake_async_rcu(const struct sock *sk, int how, int band) in sk_wake_async_rcu() argument
2504 if (unlikely(sock_flag(sk, SOCK_FASYNC))) in sk_wake_async_rcu()
2505 sock_wake_async(rcu_dereference(sk->sk_wq), how, band); in sk_wake_async_rcu()
2518 static inline void sk_stream_moderate_sndbuf(struct sock *sk) in sk_stream_moderate_sndbuf() argument
2522 if (sk->sk_userlocks & SOCK_SNDBUF_LOCK) in sk_stream_moderate_sndbuf()
2525 val = min(sk->sk_sndbuf, sk->sk_wmem_queued >> 1); in sk_stream_moderate_sndbuf()
2526 val = max_t(u32, val, sk_unused_reserved_mem(sk)); in sk_stream_moderate_sndbuf()
2528 WRITE_ONCE(sk->sk_sndbuf, max_t(u32, val, SOCK_MIN_SNDBUF)); in sk_stream_moderate_sndbuf()
2547 static inline struct page_frag *sk_page_frag(struct sock *sk) in sk_page_frag() argument
2549 if (sk->sk_use_task_frag) in sk_page_frag()
2552 return &sk->sk_frag; in sk_page_frag()
2555 bool sk_page_frag_refill(struct sock *sk, struct page_frag *pfrag);
2560 static inline bool sock_writeable(const struct sock *sk) in sock_writeable() argument
2562 return refcount_read(&sk->sk_wmem_alloc) < (READ_ONCE(sk->sk_sndbuf) >> 1); in sock_writeable()
2575 static inline long sock_rcvtimeo(const struct sock *sk, bool noblock) in sock_rcvtimeo() argument
2577 return noblock ? 0 : sk->sk_rcvtimeo; in sock_rcvtimeo()
2580 static inline long sock_sndtimeo(const struct sock *sk, bool noblock) in sock_sndtimeo() argument
2582 return noblock ? 0 : sk->sk_sndtimeo; in sock_sndtimeo()
2585 static inline int sock_rcvlowat(const struct sock *sk, int waitall, int len) in sock_rcvlowat() argument
2587 int v = waitall ? len : min_t(int, READ_ONCE(sk->sk_rcvlowat), len); in sock_rcvlowat()
2618 sock_skb_set_dropcount(const struct sock *sk, struct sk_buff *skb) in sock_skb_set_dropcount() argument
2620 SOCK_SKB_CB(skb)->dropcount = sock_flag(sk, SOCK_RXQ_OVFL) ? in sock_skb_set_dropcount()
2621 atomic_read(&sk->sk_drops) : 0; in sock_skb_set_dropcount()
2624 static inline void sk_drops_add(struct sock *sk, const struct sk_buff *skb) in sk_drops_add() argument
2628 atomic_add(segs, &sk->sk_drops); in sk_drops_add()
2631 static inline ktime_t sock_read_timestamp(struct sock *sk) in sock_read_timestamp() argument
2638 seq = read_seqbegin(&sk->sk_stamp_seq); in sock_read_timestamp()
2639 kt = sk->sk_stamp; in sock_read_timestamp()
2640 } while (read_seqretry(&sk->sk_stamp_seq, seq)); in sock_read_timestamp()
2644 return READ_ONCE(sk->sk_stamp); in sock_read_timestamp()
2648 static inline void sock_write_timestamp(struct sock *sk, ktime_t kt) in sock_write_timestamp() argument
2651 write_seqlock(&sk->sk_stamp_seq); in sock_write_timestamp()
2652 sk->sk_stamp = kt; in sock_write_timestamp()
2653 write_sequnlock(&sk->sk_stamp_seq); in sock_write_timestamp()
2655 WRITE_ONCE(sk->sk_stamp, kt); in sock_write_timestamp()
2659 void __sock_recv_timestamp(struct msghdr *msg, struct sock *sk,
2661 void __sock_recv_wifi_status(struct msghdr *msg, struct sock *sk,
2665 sock_recv_timestamp(struct msghdr *msg, struct sock *sk, struct sk_buff *skb) in sock_recv_timestamp() argument
2668 u32 tsflags = READ_ONCE(sk->sk_tsflags); in sock_recv_timestamp()
2676 if (sock_flag(sk, SOCK_RCVTSTAMP) || in sock_recv_timestamp()
2681 __sock_recv_timestamp(msg, sk, skb); in sock_recv_timestamp()
2683 sock_write_timestamp(sk, kt); in sock_recv_timestamp()
2685 if (sock_flag(sk, SOCK_WIFI_STATUS) && skb_wifi_acked_valid(skb)) in sock_recv_timestamp()
2686 __sock_recv_wifi_status(msg, sk, skb); in sock_recv_timestamp()
2689 void __sock_recv_cmsgs(struct msghdr *msg, struct sock *sk,
2693 static inline void sock_recv_cmsgs(struct msghdr *msg, struct sock *sk, in sock_recv_cmsgs() argument
2704 if (READ_ONCE(sk->sk_flags) & FLAGS_RECV_CMSGS) in sock_recv_cmsgs()
2705 __sock_recv_cmsgs(msg, sk, skb); in sock_recv_cmsgs()
2706 else if (unlikely(sock_flag(sk, SOCK_TIMESTAMP))) in sock_recv_cmsgs()
2707 sock_write_timestamp(sk, skb->tstamp); in sock_recv_cmsgs()
2708 else if (unlikely(sock_read_timestamp(sk) == SK_DEFAULT_STAMP)) in sock_recv_cmsgs()
2709 sock_write_timestamp(sk, 0); in sock_recv_cmsgs()
2723 static inline void _sock_tx_timestamp(struct sock *sk, in _sock_tx_timestamp() argument
2736 *tskey = atomic_inc_return(&sk->sk_tskey) - 1; in _sock_tx_timestamp()
2739 if (unlikely(sock_flag(sk, SOCK_WIFI_STATUS))) in _sock_tx_timestamp()
2743 static inline void sock_tx_timestamp(struct sock *sk, in sock_tx_timestamp() argument
2747 _sock_tx_timestamp(sk, sockc, tx_flags, NULL); in sock_tx_timestamp()
2753 _sock_tx_timestamp(skb->sk, sockc, &skb_shinfo(skb)->tx_flags, in skb_setup_tx_timestamp()
2757 static inline bool sk_is_inet(const struct sock *sk) in sk_is_inet() argument
2759 int family = READ_ONCE(sk->sk_family); in sk_is_inet()
2764 static inline bool sk_is_tcp(const struct sock *sk) in sk_is_tcp() argument
2766 return sk_is_inet(sk) && in sk_is_tcp()
2767 sk->sk_type == SOCK_STREAM && in sk_is_tcp()
2768 sk->sk_protocol == IPPROTO_TCP; in sk_is_tcp()
2771 static inline bool sk_is_udp(const struct sock *sk) in sk_is_udp() argument
2773 return sk_is_inet(sk) && in sk_is_udp()
2774 sk->sk_type == SOCK_DGRAM && in sk_is_udp()
2775 sk->sk_protocol == IPPROTO_UDP; in sk_is_udp()
2778 static inline bool sk_is_stream_unix(const struct sock *sk) in sk_is_stream_unix() argument
2780 return sk->sk_family == AF_UNIX && sk->sk_type == SOCK_STREAM; in sk_is_stream_unix()
2783 static inline bool sk_is_vsock(const struct sock *sk) in sk_is_vsock() argument
2785 return sk->sk_family == AF_VSOCK; in sk_is_vsock()
2796 static inline void sk_eat_skb(struct sock *sk, struct sk_buff *skb) in sk_eat_skb() argument
2798 __skb_unlink(skb, &sk->sk_receive_queue); in sk_eat_skb()
2815 static inline bool sk_fullsock(const struct sock *sk) in sk_fullsock() argument
2817 return (1 << sk->sk_state) & ~(TCPF_TIME_WAIT | TCPF_NEW_SYN_RECV); in sk_fullsock()
2821 sk_is_refcounted(struct sock *sk) in sk_is_refcounted() argument
2824 return !sk_fullsock(sk) || !sock_flag(sk, SOCK_RCU_FREE); in sk_is_refcounted()
2835 struct sock *sk = skb->sk; in sk_validate_xmit_skb() local
2837 if (sk && sk_fullsock(sk) && sk->sk_validate_xmit_skb) { in sk_validate_xmit_skb()
2838 skb = sk->sk_validate_xmit_skb(sk, dev, skb); in sk_validate_xmit_skb()
2852 static inline bool sk_listener(const struct sock *sk) in sk_listener() argument
2854 return (1 << sk->sk_state) & (TCPF_LISTEN | TCPF_NEW_SYN_RECV); in sk_listener()
2861 static inline bool sk_listener_or_tw(const struct sock *sk) in sk_listener_or_tw() argument
2863 return (1 << READ_ONCE(sk->sk_state)) & in sk_listener_or_tw()
2867 void sock_enable_timestamp(struct sock *sk, enum sock_flags flag);
2868 int sock_recv_errqueue(struct sock *sk, struct msghdr *msg, int len, int level,
2871 bool sk_ns_capable(const struct sock *sk,
2873 bool sk_capable(const struct sock *sk, int cap);
2874 bool sk_net_capable(const struct sock *sk, int cap);
2876 void sk_get_meminfo(const struct sock *sk, u32 *meminfo);
2897 static inline int sk_get_wmem0(const struct sock *sk, const struct proto *proto) in sk_get_wmem0() argument
2901 return READ_ONCE(*(int *)((void *)sock_net(sk) + proto->sysctl_wmem_offset)); in sk_get_wmem0()
2906 static inline int sk_get_rmem0(const struct sock *sk, const struct proto *proto) in sk_get_rmem0() argument
2910 return READ_ONCE(*(int *)((void *)sock_net(sk) + proto->sysctl_rmem_offset)); in sk_get_rmem0()
2919 static inline void sk_pacing_shift_update(struct sock *sk, int val) in sk_pacing_shift_update() argument
2921 if (!sk || !sk_fullsock(sk) || READ_ONCE(sk->sk_pacing_shift) == val) in sk_pacing_shift_update()
2923 WRITE_ONCE(sk->sk_pacing_shift, val); in sk_pacing_shift_update()
2931 static inline bool sk_dev_equal_l3scope(struct sock *sk, int dif) in sk_dev_equal_l3scope() argument
2933 int bound_dev_if = READ_ONCE(sk->sk_bound_dev_if); in sk_dev_equal_l3scope()
2939 mdif = l3mdev_master_ifindex_by_index(sock_net(sk), dif); in sk_dev_equal_l3scope()
2946 void sock_def_readable(struct sock *sk);
2948 int sock_bindtoindex(struct sock *sk, int ifindex, bool lock_sk);
2949 void sock_set_timestamp(struct sock *sk, int optname, bool valbool);
2950 int sock_set_timestamping(struct sock *sk, int optname,
2953 void sock_enable_timestamps(struct sock *sk);
2955 void bpf_skops_tx_timestamping(struct sock *sk, struct sk_buff *skb, int op);
2957 static inline void bpf_skops_tx_timestamping(struct sock *sk, struct sk_buff *skb, int op) in bpf_skops_tx_timestamping() argument
2961 void sock_no_linger(struct sock *sk);
2962 void sock_set_keepalive(struct sock *sk);
2963 void sock_set_priority(struct sock *sk, u32 priority);
2964 void sock_set_rcvbuf(struct sock *sk, int val);
2965 void sock_set_mark(struct sock *sk, u32 val);
2966 void sock_set_reuseaddr(struct sock *sk);
2967 void sock_set_reuseport(struct sock *sk);
2968 void sock_set_sndtimeo(struct sock *sk, s64 secs);
2970 int sock_bind_add(struct sock *sk, struct sockaddr *addr, int addr_len);
2976 int sock_ioctl_inout(struct sock *sk, unsigned int cmd,
2978 int sk_ioctl(struct sock *sk, unsigned int cmd, void __user *arg);
2979 static inline bool sk_is_readable(struct sock *sk) in sk_is_readable() argument
2981 if (sk->sk_prot->sock_is_readable) in sk_is_readable()
2982 return sk->sk_prot->sock_is_readable(sk); in sk_is_readable()