Lines Matching refs:sk
438 void (*sk_data_ready)(struct sock *sk);
490 struct sk_buff* (*sk_validate_xmit_skb)(struct sock *sk,
555 void (*sk_state_change)(struct sock *sk);
556 void (*sk_write_space)(struct sock *sk);
557 void (*sk_error_report)(struct sock *sk);
558 int (*sk_backlog_rcv)(struct sock *sk,
560 void (*sk_destruct)(struct sock *sk);
610 static inline bool sk_user_data_is_nocopy(const struct sock *sk) in sk_user_data_is_nocopy() argument
612 return ((uintptr_t)sk->sk_user_data & SK_USER_DATA_NOCOPY); in sk_user_data_is_nocopy()
615 #define __sk_user_data(sk) ((*((void __rcu **)&(sk)->sk_user_data))) argument
628 __locked_read_sk_user_data_with_flags(const struct sock *sk, in __locked_read_sk_user_data_with_flags() argument
632 (uintptr_t)rcu_dereference_check(__sk_user_data(sk), in __locked_read_sk_user_data_with_flags()
633 lockdep_is_held(&sk->sk_callback_lock)); in __locked_read_sk_user_data_with_flags()
651 __rcu_dereference_sk_user_data_with_flags(const struct sock *sk, in __rcu_dereference_sk_user_data_with_flags() argument
654 uintptr_t sk_user_data = (uintptr_t)rcu_dereference(__sk_user_data(sk)); in __rcu_dereference_sk_user_data_with_flags()
663 #define rcu_dereference_sk_user_data(sk) \ argument
664 __rcu_dereference_sk_user_data_with_flags(sk, 0)
665 #define __rcu_assign_sk_user_data_with_flags(sk, ptr, flags) \ argument
671 rcu_assign_pointer(__sk_user_data((sk)), \
674 #define rcu_assign_sk_user_data(sk, ptr) \ argument
675 __rcu_assign_sk_user_data_with_flags(sk, ptr, 0)
678 struct net *sock_net(const struct sock *sk) in sock_net() argument
680 return read_pnet(&sk->sk_net); in sock_net()
684 void sock_net_set(struct sock *sk, struct net *net) in sock_net_set() argument
686 write_pnet(&sk->sk_net, net); in sock_net_set()
700 int sk_set_peek_off(struct sock *sk, int val);
702 static inline int sk_peek_offset(const struct sock *sk, int flags) in sk_peek_offset() argument
705 return READ_ONCE(sk->sk_peek_off); in sk_peek_offset()
711 static inline void sk_peek_offset_bwd(struct sock *sk, int val) in sk_peek_offset_bwd() argument
713 s32 off = READ_ONCE(sk->sk_peek_off); in sk_peek_offset_bwd()
717 WRITE_ONCE(sk->sk_peek_off, off); in sk_peek_offset_bwd()
721 static inline void sk_peek_offset_fwd(struct sock *sk, int val) in sk_peek_offset_fwd() argument
723 sk_peek_offset_bwd(sk, -val); in sk_peek_offset_fwd()
754 static inline struct sock *sk_next(const struct sock *sk) in sk_next() argument
756 return hlist_entry_safe(sk->sk_node.next, struct sock, sk_node); in sk_next()
759 static inline struct sock *sk_nulls_next(const struct sock *sk) in sk_nulls_next() argument
761 return (!is_a_nulls(sk->sk_nulls_node.next)) ? in sk_nulls_next()
762 hlist_nulls_entry(sk->sk_nulls_node.next, in sk_nulls_next()
767 static inline bool sk_unhashed(const struct sock *sk) in sk_unhashed() argument
769 return hlist_unhashed(&sk->sk_node); in sk_unhashed()
772 static inline bool sk_hashed(const struct sock *sk) in sk_hashed() argument
774 return !sk_unhashed(sk); in sk_hashed()
782 static inline void __sk_del_node(struct sock *sk) in __sk_del_node() argument
784 __hlist_del(&sk->sk_node); in __sk_del_node()
788 static inline bool __sk_del_node_init(struct sock *sk) in __sk_del_node_init() argument
790 if (sk_hashed(sk)) { in __sk_del_node_init()
791 __sk_del_node(sk); in __sk_del_node_init()
792 sk_node_init(&sk->sk_node); in __sk_del_node_init()
804 static __always_inline void sock_hold(struct sock *sk) in sock_hold() argument
806 refcount_inc(&sk->sk_refcnt); in sock_hold()
812 static __always_inline void __sock_put(struct sock *sk) in __sock_put() argument
814 refcount_dec(&sk->sk_refcnt); in __sock_put()
817 static inline bool sk_del_node_init(struct sock *sk) in sk_del_node_init() argument
819 bool rc = __sk_del_node_init(sk); in sk_del_node_init()
823 WARN_ON(refcount_read(&sk->sk_refcnt) == 1); in sk_del_node_init()
824 __sock_put(sk); in sk_del_node_init()
828 #define sk_del_node_init_rcu(sk) sk_del_node_init(sk) argument
830 static inline bool __sk_nulls_del_node_init_rcu(struct sock *sk) in __sk_nulls_del_node_init_rcu() argument
832 if (sk_hashed(sk)) { in __sk_nulls_del_node_init_rcu()
833 hlist_nulls_del_init_rcu(&sk->sk_nulls_node); in __sk_nulls_del_node_init_rcu()
839 static inline bool sk_nulls_del_node_init_rcu(struct sock *sk) in sk_nulls_del_node_init_rcu() argument
841 bool rc = __sk_nulls_del_node_init_rcu(sk); in sk_nulls_del_node_init_rcu()
845 WARN_ON(refcount_read(&sk->sk_refcnt) == 1); in sk_nulls_del_node_init_rcu()
846 __sock_put(sk); in sk_nulls_del_node_init_rcu()
851 static inline void __sk_add_node(struct sock *sk, struct hlist_head *list) in __sk_add_node() argument
853 hlist_add_head(&sk->sk_node, list); in __sk_add_node()
856 static inline void sk_add_node(struct sock *sk, struct hlist_head *list) in sk_add_node() argument
858 sock_hold(sk); in sk_add_node()
859 __sk_add_node(sk, list); in sk_add_node()
862 static inline void sk_add_node_rcu(struct sock *sk, struct hlist_head *list) in sk_add_node_rcu() argument
864 sock_hold(sk); in sk_add_node_rcu()
865 if (IS_ENABLED(CONFIG_IPV6) && sk->sk_reuseport && in sk_add_node_rcu()
866 sk->sk_family == AF_INET6) in sk_add_node_rcu()
867 hlist_add_tail_rcu(&sk->sk_node, list); in sk_add_node_rcu()
869 hlist_add_head_rcu(&sk->sk_node, list); in sk_add_node_rcu()
872 static inline void sk_add_node_tail_rcu(struct sock *sk, struct hlist_head *list) in sk_add_node_tail_rcu() argument
874 sock_hold(sk); in sk_add_node_tail_rcu()
875 hlist_add_tail_rcu(&sk->sk_node, list); in sk_add_node_tail_rcu()
878 static inline void __sk_nulls_add_node_rcu(struct sock *sk, struct hlist_nulls_head *list) in __sk_nulls_add_node_rcu() argument
880 hlist_nulls_add_head_rcu(&sk->sk_nulls_node, list); in __sk_nulls_add_node_rcu()
883 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
885 hlist_nulls_add_tail_rcu(&sk->sk_nulls_node, list); in __sk_nulls_add_node_tail_rcu()
888 static inline void sk_nulls_add_node_rcu(struct sock *sk, struct hlist_nulls_head *list) in sk_nulls_add_node_rcu() argument
890 sock_hold(sk); in sk_nulls_add_node_rcu()
891 __sk_nulls_add_node_rcu(sk, list); in sk_nulls_add_node_rcu()
894 static inline void __sk_del_bind_node(struct sock *sk) in __sk_del_bind_node() argument
896 __hlist_del(&sk->sk_bind_node); in __sk_del_bind_node()
899 static inline void sk_add_bind_node(struct sock *sk, in sk_add_bind_node() argument
902 hlist_add_head(&sk->sk_bind_node, list); in sk_add_bind_node()
939 static inline struct user_namespace *sk_user_ns(const struct sock *sk) in sk_user_ns() argument
945 return sk->sk_socket->file->f_cred->user_ns; in sk_user_ns()
998 static inline void sock_set_flag(struct sock *sk, enum sock_flags flag) in sock_set_flag() argument
1000 __set_bit(flag, &sk->sk_flags); in sock_set_flag()
1003 static inline void sock_reset_flag(struct sock *sk, enum sock_flags flag) in sock_reset_flag() argument
1005 __clear_bit(flag, &sk->sk_flags); in sock_reset_flag()
1008 static inline void sock_valbool_flag(struct sock *sk, enum sock_flags bit, in sock_valbool_flag() argument
1012 sock_set_flag(sk, bit); in sock_valbool_flag()
1014 sock_reset_flag(sk, bit); in sock_valbool_flag()
1017 static inline bool sock_flag(const struct sock *sk, enum sock_flags flag) in sock_flag() argument
1019 return test_bit(flag, &sk->sk_flags); in sock_flag()
1041 static inline gfp_t sk_gfp_mask(const struct sock *sk, gfp_t gfp_mask) in sk_gfp_mask() argument
1043 return gfp_mask | (sk->sk_allocation & __GFP_MEMALLOC); in sk_gfp_mask()
1046 static inline void sk_acceptq_removed(struct sock *sk) in sk_acceptq_removed() argument
1048 WRITE_ONCE(sk->sk_ack_backlog, sk->sk_ack_backlog - 1); in sk_acceptq_removed()
1051 static inline void sk_acceptq_added(struct sock *sk) in sk_acceptq_added() argument
1053 WRITE_ONCE(sk->sk_ack_backlog, sk->sk_ack_backlog + 1); in sk_acceptq_added()
1060 static inline bool sk_acceptq_is_full(const struct sock *sk) in sk_acceptq_is_full() argument
1062 return READ_ONCE(sk->sk_ack_backlog) > READ_ONCE(sk->sk_max_ack_backlog); in sk_acceptq_is_full()
1068 static inline int sk_stream_min_wspace(const struct sock *sk) in sk_stream_min_wspace() argument
1070 return READ_ONCE(sk->sk_wmem_queued) >> 1; in sk_stream_min_wspace()
1073 static inline int sk_stream_wspace(const struct sock *sk) in sk_stream_wspace() argument
1075 return READ_ONCE(sk->sk_sndbuf) - READ_ONCE(sk->sk_wmem_queued); in sk_stream_wspace()
1078 static inline void sk_wmem_queued_add(struct sock *sk, int val) in sk_wmem_queued_add() argument
1080 WRITE_ONCE(sk->sk_wmem_queued, sk->sk_wmem_queued + val); in sk_wmem_queued_add()
1083 static inline void sk_forward_alloc_add(struct sock *sk, int val) in sk_forward_alloc_add() argument
1086 WRITE_ONCE(sk->sk_forward_alloc, sk->sk_forward_alloc + val); in sk_forward_alloc_add()
1089 void sk_stream_write_space(struct sock *sk);
1092 static inline void __sk_add_backlog(struct sock *sk, struct sk_buff *skb) in __sk_add_backlog() argument
1097 if (!sk->sk_backlog.tail) in __sk_add_backlog()
1098 WRITE_ONCE(sk->sk_backlog.head, skb); in __sk_add_backlog()
1100 sk->sk_backlog.tail->next = skb; in __sk_add_backlog()
1102 WRITE_ONCE(sk->sk_backlog.tail, skb); in __sk_add_backlog()
1111 static inline bool sk_rcvqueues_full(const struct sock *sk, unsigned int limit) in sk_rcvqueues_full() argument
1113 unsigned int qsize = sk->sk_backlog.len + atomic_read(&sk->sk_rmem_alloc); in sk_rcvqueues_full()
1119 static inline __must_check int sk_add_backlog(struct sock *sk, struct sk_buff *skb, in sk_add_backlog() argument
1122 if (sk_rcvqueues_full(sk, limit)) in sk_add_backlog()
1130 if (skb_pfmemalloc(skb) && !sock_flag(sk, SOCK_MEMALLOC)) in sk_add_backlog()
1133 __sk_add_backlog(sk, skb); in sk_add_backlog()
1134 sk->sk_backlog.len += skb->truesize; in sk_add_backlog()
1138 int __sk_backlog_rcv(struct sock *sk, struct sk_buff *skb);
1140 INDIRECT_CALLABLE_DECLARE(int tcp_v4_do_rcv(struct sock *sk, struct sk_buff *skb));
1141 INDIRECT_CALLABLE_DECLARE(int tcp_v6_do_rcv(struct sock *sk, struct sk_buff *skb));
1143 static inline int sk_backlog_rcv(struct sock *sk, struct sk_buff *skb) in sk_backlog_rcv() argument
1146 return __sk_backlog_rcv(sk, skb); in sk_backlog_rcv()
1148 return INDIRECT_CALL_INET(sk->sk_backlog_rcv, in sk_backlog_rcv()
1151 sk, skb); in sk_backlog_rcv()
1154 static inline void sk_incoming_cpu_update(struct sock *sk) in sk_incoming_cpu_update() argument
1158 if (unlikely(READ_ONCE(sk->sk_incoming_cpu) != cpu)) in sk_incoming_cpu_update()
1159 WRITE_ONCE(sk->sk_incoming_cpu, cpu); in sk_incoming_cpu_update()
1163 static inline void sock_rps_save_rxhash(struct sock *sk, in sock_rps_save_rxhash() argument
1170 if (unlikely(READ_ONCE(sk->sk_rxhash) != skb->hash)) in sock_rps_save_rxhash()
1171 WRITE_ONCE(sk->sk_rxhash, skb->hash); in sock_rps_save_rxhash()
1175 static inline void sock_rps_reset_rxhash(struct sock *sk) in sock_rps_reset_rxhash() argument
1179 WRITE_ONCE(sk->sk_rxhash, 0); in sock_rps_reset_rxhash()
1198 int sk_stream_wait_connect(struct sock *sk, long *timeo_p);
1199 int sk_stream_wait_memory(struct sock *sk, long *timeo_p);
1200 void sk_stream_wait_close(struct sock *sk, long timeo_p);
1201 int sk_stream_error(struct sock *sk, int flags, int err);
1202 void sk_stream_kill_queues(struct sock *sk);
1203 void sk_set_memalloc(struct sock *sk);
1204 void sk_clear_memalloc(struct sock *sk);
1206 void __sk_flush_backlog(struct sock *sk);
1208 static inline bool sk_flush_backlog(struct sock *sk) in sk_flush_backlog() argument
1210 if (unlikely(READ_ONCE(sk->sk_backlog.tail))) { in sk_flush_backlog()
1211 __sk_flush_backlog(sk); in sk_flush_backlog()
1217 int sk_wait_data(struct sock *sk, long *timeo, const struct sk_buff *skb);
1231 static inline void sk_prot_clear_nulls(struct sock *sk, int size) in sk_prot_clear_nulls() argument
1234 memset(sk, 0, offsetof(struct sock, sk_node.next)); in sk_prot_clear_nulls()
1235 memset(&sk->sk_node.pprev, 0, in sk_prot_clear_nulls()
1250 void (*close)(struct sock *sk,
1252 int (*pre_connect)(struct sock *sk,
1255 int (*connect)(struct sock *sk,
1258 int (*disconnect)(struct sock *sk, int flags);
1260 struct sock * (*accept)(struct sock *sk,
1263 int (*ioctl)(struct sock *sk, int cmd,
1265 int (*init)(struct sock *sk);
1266 void (*destroy)(struct sock *sk);
1267 void (*shutdown)(struct sock *sk, int how);
1268 int (*setsockopt)(struct sock *sk, int level,
1271 int (*getsockopt)(struct sock *sk, int level,
1274 void (*keepalive)(struct sock *sk, int valbool);
1276 int (*compat_ioctl)(struct sock *sk,
1279 int (*sendmsg)(struct sock *sk, struct msghdr *msg,
1281 int (*recvmsg)(struct sock *sk, struct msghdr *msg,
1284 int (*bind)(struct sock *sk,
1286 int (*bind_add)(struct sock *sk,
1289 int (*backlog_rcv) (struct sock *sk,
1294 void (*release_cb)(struct sock *sk);
1297 int (*hash)(struct sock *sk);
1298 void (*unhash)(struct sock *sk);
1299 void (*rehash)(struct sock *sk);
1300 int (*get_port)(struct sock *sk, unsigned short snum);
1301 void (*put_port)(struct sock *sk);
1303 int (*psock_update_sk_prot)(struct sock *sk,
1313 bool (*stream_memory_free)(const struct sock *sk, int wake);
1314 bool (*sock_is_readable)(struct sock *sk);
1316 void (*enter_memory_pressure)(struct sock *sk);
1317 void (*leave_memory_pressure)(struct sock *sk);
1364 int (*diag_destroy)(struct sock *sk, int err);
1371 INDIRECT_CALLABLE_DECLARE(bool tcp_stream_memory_free(const struct sock *sk, int wake));
1373 static inline bool __sk_stream_memory_free(const struct sock *sk, int wake) in __sk_stream_memory_free() argument
1375 if (READ_ONCE(sk->sk_wmem_queued) >= READ_ONCE(sk->sk_sndbuf)) in __sk_stream_memory_free()
1378 return sk->sk_prot->stream_memory_free ? in __sk_stream_memory_free()
1379 INDIRECT_CALL_INET_1(sk->sk_prot->stream_memory_free, in __sk_stream_memory_free()
1380 tcp_stream_memory_free, sk, wake) : true; in __sk_stream_memory_free()
1383 static inline bool sk_stream_memory_free(const struct sock *sk) in sk_stream_memory_free() argument
1385 return __sk_stream_memory_free(sk, 0); in sk_stream_memory_free()
1388 static inline bool __sk_stream_is_writeable(const struct sock *sk, int wake) in __sk_stream_is_writeable() argument
1390 return sk_stream_wspace(sk) >= sk_stream_min_wspace(sk) && in __sk_stream_is_writeable()
1391 __sk_stream_memory_free(sk, wake); in __sk_stream_is_writeable()
1394 static inline bool sk_stream_is_writeable(const struct sock *sk) in sk_stream_is_writeable() argument
1396 return __sk_stream_is_writeable(sk, 0); in sk_stream_is_writeable()
1399 static inline int sk_under_cgroup_hierarchy(struct sock *sk, in sk_under_cgroup_hierarchy() argument
1403 return cgroup_is_descendant(sock_cgroup_ptr(&sk->sk_cgrp_data), in sk_under_cgroup_hierarchy()
1412 static inline void sk_sockets_allocated_dec(struct sock *sk) in sk_sockets_allocated_dec() argument
1414 percpu_counter_add_batch(sk->sk_prot->sockets_allocated, -1, in sk_sockets_allocated_dec()
1418 static inline void sk_sockets_allocated_inc(struct sock *sk) in sk_sockets_allocated_inc() argument
1420 percpu_counter_add_batch(sk->sk_prot->sockets_allocated, 1, in sk_sockets_allocated_inc()
1425 sk_sockets_allocated_read_positive(struct sock *sk) in sk_sockets_allocated_read_positive() argument
1427 return percpu_counter_read_positive(sk->sk_prot->sockets_allocated); in sk_sockets_allocated_read_positive()
1471 static inline int __sk_prot_rehash(struct sock *sk) in __sk_prot_rehash() argument
1473 sk->sk_prot->unhash(sk); in __sk_prot_rehash()
1474 return sk->sk_prot->hash(sk); in __sk_prot_rehash()
1508 int __sk_mem_raise_allocated(struct sock *sk, int size, int amt, int kind);
1509 int __sk_mem_schedule(struct sock *sk, int size, int kind);
1510 void __sk_mem_reduce_allocated(struct sock *sk, int amount);
1511 void __sk_mem_reclaim(struct sock *sk, int amount);
1517 static inline long sk_prot_mem_limits(const struct sock *sk, int index) in sk_prot_mem_limits() argument
1519 return READ_ONCE(sk->sk_prot->sysctl_mem[index]); in sk_prot_mem_limits()
1527 static inline bool sk_has_account(struct sock *sk) in sk_has_account() argument
1530 return !!sk->sk_prot->memory_allocated; in sk_has_account()
1533 static inline bool sk_wmem_schedule(struct sock *sk, int size) in sk_wmem_schedule() argument
1537 if (!sk_has_account(sk)) in sk_wmem_schedule()
1539 delta = size - sk->sk_forward_alloc; in sk_wmem_schedule()
1540 return delta <= 0 || __sk_mem_schedule(sk, delta, SK_MEM_SEND); in sk_wmem_schedule()
1544 __sk_rmem_schedule(struct sock *sk, int size, bool pfmemalloc) in __sk_rmem_schedule() argument
1548 if (!sk_has_account(sk)) in __sk_rmem_schedule()
1550 delta = size - sk->sk_forward_alloc; in __sk_rmem_schedule()
1551 return delta <= 0 || __sk_mem_schedule(sk, delta, SK_MEM_RECV) || in __sk_rmem_schedule()
1556 sk_rmem_schedule(struct sock *sk, const struct sk_buff *skb, int size) in sk_rmem_schedule() argument
1558 return __sk_rmem_schedule(sk, size, skb_pfmemalloc(skb)); in sk_rmem_schedule()
1561 static inline int sk_unused_reserved_mem(const struct sock *sk) in sk_unused_reserved_mem() argument
1565 if (likely(!sk->sk_reserved_mem)) in sk_unused_reserved_mem()
1568 unused_mem = sk->sk_reserved_mem - sk->sk_wmem_queued - in sk_unused_reserved_mem()
1569 atomic_read(&sk->sk_rmem_alloc); in sk_unused_reserved_mem()
1574 static inline void sk_mem_reclaim(struct sock *sk) in sk_mem_reclaim() argument
1578 if (!sk_has_account(sk)) in sk_mem_reclaim()
1581 reclaimable = sk->sk_forward_alloc - sk_unused_reserved_mem(sk); in sk_mem_reclaim()
1584 __sk_mem_reclaim(sk, reclaimable); in sk_mem_reclaim()
1587 static inline void sk_mem_reclaim_final(struct sock *sk) in sk_mem_reclaim_final() argument
1589 sk->sk_reserved_mem = 0; in sk_mem_reclaim_final()
1590 sk_mem_reclaim(sk); in sk_mem_reclaim_final()
1593 static inline void sk_mem_charge(struct sock *sk, int size) in sk_mem_charge() argument
1595 if (!sk_has_account(sk)) in sk_mem_charge()
1597 sk_forward_alloc_add(sk, -size); in sk_mem_charge()
1600 static inline void sk_mem_uncharge(struct sock *sk, int size) in sk_mem_uncharge() argument
1602 if (!sk_has_account(sk)) in sk_mem_uncharge()
1604 sk_forward_alloc_add(sk, size); in sk_mem_uncharge()
1605 sk_mem_reclaim(sk); in sk_mem_uncharge()
1609 static inline void sk_owner_set(struct sock *sk, struct module *owner) in sk_owner_set() argument
1612 sk->sk_owner = owner; in sk_owner_set()
1615 static inline void sk_owner_clear(struct sock *sk) in sk_owner_clear() argument
1617 sk->sk_owner = NULL; in sk_owner_clear()
1620 static inline void sk_owner_put(struct sock *sk) in sk_owner_put() argument
1622 module_put(sk->sk_owner); in sk_owner_put()
1625 static inline void sk_owner_set(struct sock *sk, struct module *owner) in sk_owner_set() argument
1629 static inline void sk_owner_clear(struct sock *sk) in sk_owner_clear() argument
1633 static inline void sk_owner_put(struct sock *sk) in sk_owner_put() argument
1644 #define sock_lock_init_class_and_name(sk, sname, skey, name, key) \ argument
1646 sk_owner_set(sk, THIS_MODULE); \
1647 sk->sk_lock.owned = 0; \
1648 init_waitqueue_head(&sk->sk_lock.wq); \
1649 spin_lock_init(&(sk)->sk_lock.slock); \
1650 debug_check_no_locks_freed((void *)&(sk)->sk_lock, \
1651 sizeof((sk)->sk_lock)); \
1652 lockdep_set_class_and_name(&(sk)->sk_lock.slock, \
1654 lockdep_init_map(&(sk)->sk_lock.dep_map, (name), (key), 0); \
1657 static inline bool lockdep_sock_is_held(const struct sock *sk) in lockdep_sock_is_held() argument
1659 return lockdep_is_held(&sk->sk_lock) || in lockdep_sock_is_held()
1660 lockdep_is_held(&sk->sk_lock.slock); in lockdep_sock_is_held()
1663 void lock_sock_nested(struct sock *sk, int subclass);
1665 static inline void lock_sock(struct sock *sk) in lock_sock() argument
1667 lock_sock_nested(sk, 0); in lock_sock()
1670 void __lock_sock(struct sock *sk);
1671 void __release_sock(struct sock *sk);
1672 void release_sock(struct sock *sk);
1681 bool __lock_sock_fast(struct sock *sk) __acquires(&sk->sk_lock.slock);
1696 static inline bool lock_sock_fast(struct sock *sk) in lock_sock_fast() argument
1699 mutex_acquire(&sk->sk_lock.dep_map, 0, 0, _RET_IP_); in lock_sock_fast()
1701 return __lock_sock_fast(sk); in lock_sock_fast()
1705 static inline bool lock_sock_fast_nested(struct sock *sk) in lock_sock_fast_nested() argument
1707 mutex_acquire(&sk->sk_lock.dep_map, SINGLE_DEPTH_NESTING, 0, _RET_IP_); in lock_sock_fast_nested()
1709 return __lock_sock_fast(sk); in lock_sock_fast_nested()
1720 static inline void unlock_sock_fast(struct sock *sk, bool slow) in unlock_sock_fast() argument
1721 __releases(&sk->sk_lock.slock) in unlock_sock_fast()
1724 release_sock(sk); in unlock_sock_fast()
1725 __release(&sk->sk_lock.slock); in unlock_sock_fast()
1727 mutex_release(&sk->sk_lock.dep_map, _RET_IP_); in unlock_sock_fast()
1728 spin_unlock_bh(&sk->sk_lock.slock); in unlock_sock_fast()
1732 void sockopt_lock_sock(struct sock *sk);
1733 void sockopt_release_sock(struct sock *sk);
1751 static inline void sock_owned_by_me(const struct sock *sk) in sock_owned_by_me() argument
1754 WARN_ON_ONCE(!lockdep_sock_is_held(sk) && debug_locks); in sock_owned_by_me()
1758 static inline void sock_not_owned_by_me(const struct sock *sk) in sock_not_owned_by_me() argument
1761 WARN_ON_ONCE(lockdep_sock_is_held(sk) && debug_locks); in sock_not_owned_by_me()
1765 static inline bool sock_owned_by_user(const struct sock *sk) in sock_owned_by_user() argument
1767 sock_owned_by_me(sk); in sock_owned_by_user()
1768 return sk->sk_lock.owned; in sock_owned_by_user()
1771 static inline bool sock_owned_by_user_nocheck(const struct sock *sk) in sock_owned_by_user_nocheck() argument
1773 return sk->sk_lock.owned; in sock_owned_by_user_nocheck()
1776 static inline void sock_release_ownership(struct sock *sk) in sock_release_ownership() argument
1778 DEBUG_NET_WARN_ON_ONCE(!sock_owned_by_user_nocheck(sk)); in sock_release_ownership()
1779 sk->sk_lock.owned = 0; in sock_release_ownership()
1782 mutex_release(&sk->sk_lock.dep_map, _RET_IP_); in sock_release_ownership()
1788 struct sock *sk = (struct sock *)csk; in sock_allow_reclassification() local
1790 return !sock_owned_by_user_nocheck(sk) && in sock_allow_reclassification()
1791 !spin_is_locked(&sk->sk_lock.slock); in sock_allow_reclassification()
1796 void sk_free(struct sock *sk);
1797 void sk_net_refcnt_upgrade(struct sock *sk);
1798 void sk_destruct(struct sock *sk);
1799 struct sock *sk_clone_lock(const struct sock *sk, const gfp_t priority);
1801 struct sk_buff *sock_wmalloc(struct sock *sk, unsigned long size, int force,
1805 struct sk_buff *sock_omalloc(struct sock *sk, unsigned long size,
1814 static inline void skb_set_owner_edemux(struct sk_buff *skb, struct sock *sk) in skb_set_owner_edemux() argument
1817 if (refcount_inc_not_zero(&sk->sk_refcnt)) { in skb_set_owner_edemux()
1818 skb->sk = sk; in skb_set_owner_edemux()
1826 int sk_setsockopt(struct sock *sk, int level, int optname,
1835 int sk_getsockopt(struct sock *sk, int level, int optname,
1839 struct sk_buff *sock_alloc_send_pskb(struct sock *sk, unsigned long header_len,
1843 static inline struct sk_buff *sock_alloc_send_skb(struct sock *sk, in sock_alloc_send_skb() argument
1847 return sock_alloc_send_pskb(sk, size, 0, noblock, errcode, 0); in sock_alloc_send_skb()
1850 void *sock_kmalloc(struct sock *sk, int size, gfp_t priority);
1851 void *sock_kmemdup(struct sock *sk, const void *src,
1853 void sock_kfree_s(struct sock *sk, void *mem, int size);
1854 void sock_kzfree_s(struct sock *sk, void *mem, int size);
1855 void sk_send_sigurg(struct sock *sk);
1857 static inline void sock_replace_proto(struct sock *sk, struct proto *proto) in sock_replace_proto() argument
1859 if (sk->sk_socket) in sock_replace_proto()
1860 clear_bit(SOCK_SUPPORT_ZC, &sk->sk_socket->flags); in sock_replace_proto()
1861 WRITE_ONCE(sk->sk_prot, proto); in sock_replace_proto()
1874 const struct sock *sk) in sockcm_init() argument
1877 .mark = READ_ONCE(sk->sk_mark), in sockcm_init()
1878 .tsflags = READ_ONCE(sk->sk_tsflags), in sockcm_init()
1879 .priority = READ_ONCE(sk->sk_priority), in sockcm_init()
1883 int __sock_cmsg_send(struct sock *sk, struct cmsghdr *cmsg,
1885 int sock_cmsg_send(struct sock *sk, struct msghdr *msg,
1901 int sock_no_sendmsg_locked(struct sock *sk, struct msghdr *msg, size_t len);
1917 void sk_common_release(struct sock *sk);
1924 void sock_init_data_uid(struct socket *sock, struct sock *sk, kuid_t uid);
1929 void sock_init_data(struct socket *sock, struct sock *sk);
1957 static inline void sock_put(struct sock *sk) in sock_put() argument
1959 if (refcount_dec_and_test(&sk->sk_refcnt)) in sock_put()
1960 sk_free(sk); in sock_put()
1965 void sock_gen_put(struct sock *sk);
1967 int __sk_receive_skb(struct sock *sk, struct sk_buff *skb, const int nested,
1969 static inline int sk_receive_skb(struct sock *sk, struct sk_buff *skb, in sk_receive_skb() argument
1972 return __sk_receive_skb(sk, skb, nested, 1, true); in sk_receive_skb()
1975 static inline void sk_tx_queue_set(struct sock *sk, int tx_queue) in sk_tx_queue_set() argument
1983 WRITE_ONCE(sk->sk_tx_queue_mapping, tx_queue); in sk_tx_queue_set()
1988 static inline void sk_tx_queue_clear(struct sock *sk) in sk_tx_queue_clear() argument
1993 WRITE_ONCE(sk->sk_tx_queue_mapping, NO_QUEUE_MAPPING); in sk_tx_queue_clear()
1996 static inline int sk_tx_queue_get(const struct sock *sk) in sk_tx_queue_get() argument
1998 if (sk) { in sk_tx_queue_get()
2002 int val = READ_ONCE(sk->sk_tx_queue_mapping); in sk_tx_queue_get()
2010 static inline void __sk_rx_queue_set(struct sock *sk, in __sk_rx_queue_set() argument
2019 unlikely(READ_ONCE(sk->sk_rx_queue_mapping) != rx_queue)) in __sk_rx_queue_set()
2020 WRITE_ONCE(sk->sk_rx_queue_mapping, rx_queue); in __sk_rx_queue_set()
2025 static inline void sk_rx_queue_set(struct sock *sk, const struct sk_buff *skb) in sk_rx_queue_set() argument
2027 __sk_rx_queue_set(sk, skb, true); in sk_rx_queue_set()
2030 static inline void sk_rx_queue_update(struct sock *sk, const struct sk_buff *skb) in sk_rx_queue_update() argument
2032 __sk_rx_queue_set(sk, skb, false); in sk_rx_queue_update()
2035 static inline void sk_rx_queue_clear(struct sock *sk) in sk_rx_queue_clear() argument
2038 WRITE_ONCE(sk->sk_rx_queue_mapping, NO_QUEUE_MAPPING); in sk_rx_queue_clear()
2042 static inline int sk_rx_queue_get(const struct sock *sk) in sk_rx_queue_get() argument
2045 if (sk) { in sk_rx_queue_get()
2046 int res = READ_ONCE(sk->sk_rx_queue_mapping); in sk_rx_queue_get()
2056 static inline void sk_set_socket(struct sock *sk, struct socket *sock) in sk_set_socket() argument
2058 sk->sk_socket = sock; in sk_set_socket()
2061 static inline wait_queue_head_t *sk_sleep(struct sock *sk) in sk_sleep() argument
2064 return &rcu_dereference_raw(sk->sk_wq)->wait; in sk_sleep()
2073 static inline void sock_orphan(struct sock *sk) in sock_orphan() argument
2075 write_lock_bh(&sk->sk_callback_lock); in sock_orphan()
2076 sock_set_flag(sk, SOCK_DEAD); in sock_orphan()
2077 sk_set_socket(sk, NULL); in sock_orphan()
2078 sk->sk_wq = NULL; in sock_orphan()
2080 write_unlock_bh(&sk->sk_callback_lock); in sock_orphan()
2083 static inline void sock_graft(struct sock *sk, struct socket *parent) in sock_graft() argument
2085 WARN_ON(parent->sk); in sock_graft()
2086 write_lock_bh(&sk->sk_callback_lock); in sock_graft()
2087 rcu_assign_pointer(sk->sk_wq, &parent->wq); in sock_graft()
2088 parent->sk = sk; in sock_graft()
2089 sk_set_socket(sk, parent); in sock_graft()
2090 WRITE_ONCE(sk->sk_uid, SOCK_INODE(parent)->i_uid); in sock_graft()
2091 security_sock_graft(sk, parent); in sock_graft()
2092 write_unlock_bh(&sk->sk_callback_lock); in sock_graft()
2095 static inline kuid_t sk_uid(const struct sock *sk) in sk_uid() argument
2098 return READ_ONCE(sk->sk_uid); in sk_uid()
2101 unsigned long __sock_i_ino(struct sock *sk);
2102 unsigned long sock_i_ino(struct sock *sk);
2104 static inline kuid_t sock_net_uid(const struct net *net, const struct sock *sk) in sock_net_uid() argument
2106 return sk ? sk_uid(sk) : make_kuid(net->user_ns, 0); in sock_net_uid()
2116 static inline void sk_set_txhash(struct sock *sk) in sk_set_txhash() argument
2119 WRITE_ONCE(sk->sk_txhash, net_tx_rndhash()); in sk_set_txhash()
2122 static inline bool sk_rethink_txhash(struct sock *sk) in sk_rethink_txhash() argument
2124 if (sk->sk_txhash && sk->sk_txrehash == SOCK_TXREHASH_ENABLED) { in sk_rethink_txhash()
2125 sk_set_txhash(sk); in sk_rethink_txhash()
2132 __sk_dst_get(const struct sock *sk) in __sk_dst_get() argument
2134 return rcu_dereference_check(sk->sk_dst_cache, in __sk_dst_get()
2135 lockdep_sock_is_held(sk)); in __sk_dst_get()
2139 sk_dst_get(const struct sock *sk) in sk_dst_get() argument
2144 dst = rcu_dereference(sk->sk_dst_cache); in sk_dst_get()
2151 static inline void __dst_negative_advice(struct sock *sk) in __dst_negative_advice() argument
2153 struct dst_entry *dst = __sk_dst_get(sk); in __dst_negative_advice()
2156 dst->ops->negative_advice(sk, dst); in __dst_negative_advice()
2159 static inline void dst_negative_advice(struct sock *sk) in dst_negative_advice() argument
2161 sk_rethink_txhash(sk); in dst_negative_advice()
2162 __dst_negative_advice(sk); in dst_negative_advice()
2166 __sk_dst_set(struct sock *sk, struct dst_entry *dst) in __sk_dst_set() argument
2170 sk_tx_queue_clear(sk); in __sk_dst_set()
2171 WRITE_ONCE(sk->sk_dst_pending_confirm, 0); in __sk_dst_set()
2172 old_dst = rcu_dereference_protected(sk->sk_dst_cache, in __sk_dst_set()
2173 lockdep_sock_is_held(sk)); in __sk_dst_set()
2174 rcu_assign_pointer(sk->sk_dst_cache, dst); in __sk_dst_set()
2179 sk_dst_set(struct sock *sk, struct dst_entry *dst) in sk_dst_set() argument
2183 sk_tx_queue_clear(sk); in sk_dst_set()
2184 WRITE_ONCE(sk->sk_dst_pending_confirm, 0); in sk_dst_set()
2185 old_dst = unrcu_pointer(xchg(&sk->sk_dst_cache, RCU_INITIALIZER(dst))); in sk_dst_set()
2190 __sk_dst_reset(struct sock *sk) in __sk_dst_reset() argument
2192 __sk_dst_set(sk, NULL); in __sk_dst_reset()
2196 sk_dst_reset(struct sock *sk) in sk_dst_reset() argument
2198 sk_dst_set(sk, NULL); in sk_dst_reset()
2201 struct dst_entry *__sk_dst_check(struct sock *sk, u32 cookie);
2203 struct dst_entry *sk_dst_check(struct sock *sk, u32 cookie);
2205 static inline void sk_dst_confirm(struct sock *sk) in sk_dst_confirm() argument
2207 if (!READ_ONCE(sk->sk_dst_pending_confirm)) in sk_dst_confirm()
2208 WRITE_ONCE(sk->sk_dst_pending_confirm, 1); in sk_dst_confirm()
2214 struct sock *sk = skb->sk; in sock_confirm_neigh() local
2216 if (sk && READ_ONCE(sk->sk_dst_pending_confirm)) in sock_confirm_neigh()
2217 WRITE_ONCE(sk->sk_dst_pending_confirm, 0); in sock_confirm_neigh()
2222 bool sk_mc_loop(const struct sock *sk);
2224 static inline bool sk_can_gso(const struct sock *sk) in sk_can_gso() argument
2226 return net_gso_ok(sk->sk_route_caps, sk->sk_gso_type); in sk_can_gso()
2229 void sk_setup_caps(struct sock *sk, struct dst_entry *dst);
2231 static inline void sk_gso_disable(struct sock *sk) in sk_gso_disable() argument
2233 sk->sk_gso_disabled = 1; in sk_gso_disable()
2234 sk->sk_route_caps &= ~NETIF_F_GSO_MASK; in sk_gso_disable()
2237 static inline int skb_do_copy_data_nocache(struct sock *sk, struct sk_buff *skb, in skb_do_copy_data_nocache() argument
2246 } else if (sk->sk_route_caps & NETIF_F_NOCACHE_COPY) { in skb_do_copy_data_nocache()
2255 static inline int skb_add_data_nocache(struct sock *sk, struct sk_buff *skb, in skb_add_data_nocache() argument
2260 err = skb_do_copy_data_nocache(sk, skb, from, skb_put(skb, copy), in skb_add_data_nocache()
2268 static inline int skb_copy_to_page_nocache(struct sock *sk, struct iov_iter *from, in skb_copy_to_page_nocache() argument
2275 err = skb_do_copy_data_nocache(sk, skb, from, page_address(page) + off, in skb_copy_to_page_nocache()
2281 sk_wmem_queued_add(sk, copy); in skb_copy_to_page_nocache()
2282 sk_mem_charge(sk, copy); in skb_copy_to_page_nocache()
2292 static inline int sk_wmem_alloc_get(const struct sock *sk) in sk_wmem_alloc_get() argument
2294 return refcount_read(&sk->sk_wmem_alloc) - 1; in sk_wmem_alloc_get()
2303 static inline int sk_rmem_alloc_get(const struct sock *sk) in sk_rmem_alloc_get() argument
2305 return atomic_read(&sk->sk_rmem_alloc); in sk_rmem_alloc_get()
2314 static inline bool sk_has_allocations(const struct sock *sk) in sk_has_allocations() argument
2316 return sk_wmem_alloc_get(sk) || sk_rmem_alloc_get(sk); in sk_has_allocations()
2374 static inline void skb_set_hash_from_sk(struct sk_buff *skb, struct sock *sk) in skb_set_hash_from_sk() argument
2377 u32 txhash = READ_ONCE(sk->sk_txhash); in skb_set_hash_from_sk()
2385 void skb_set_owner_w(struct sk_buff *skb, struct sock *sk);
2395 static inline void skb_set_owner_r(struct sk_buff *skb, struct sock *sk) in skb_set_owner_r() argument
2398 skb->sk = sk; in skb_set_owner_r()
2400 atomic_add(skb->truesize, &sk->sk_rmem_alloc); in skb_set_owner_r()
2401 sk_mem_charge(sk, skb->truesize); in skb_set_owner_r()
2404 static inline __must_check bool skb_set_owner_sk_safe(struct sk_buff *skb, struct sock *sk) in skb_set_owner_sk_safe() argument
2406 if (sk && refcount_inc_not_zero(&sk->sk_refcnt)) { in skb_set_owner_sk_safe()
2409 skb->sk = sk; in skb_set_owner_sk_safe()
2415 static inline struct sk_buff *skb_clone_and_charge_r(struct sk_buff *skb, struct sock *sk) in skb_clone_and_charge_r() argument
2417 skb = skb_clone(skb, sk_gfp_mask(sk, GFP_ATOMIC)); in skb_clone_and_charge_r()
2419 if (sk_rmem_schedule(sk, skb, skb->truesize)) { in skb_clone_and_charge_r()
2420 skb_set_owner_r(skb, sk); in skb_clone_and_charge_r()
2437 void sk_reset_timer(struct sock *sk, struct timer_list *timer,
2440 void sk_stop_timer(struct sock *sk, struct timer_list *timer);
2442 void sk_stop_timer_sync(struct sock *sk, struct timer_list *timer);
2444 int __sk_queue_drop_skb(struct sock *sk, struct sk_buff_head *sk_queue,
2446 void (*destructor)(struct sock *sk,
2448 int __sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb);
2450 int sock_queue_rcv_skb_reason(struct sock *sk, struct sk_buff *skb,
2453 static inline int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) in sock_queue_rcv_skb() argument
2455 return sock_queue_rcv_skb_reason(sk, skb, NULL); in sock_queue_rcv_skb()
2458 int sock_queue_err_skb(struct sock *sk, struct sk_buff *skb);
2459 struct sk_buff *sock_dequeue_err_skb(struct sock *sk);
2465 static inline int sock_error(struct sock *sk) in sock_error() argument
2472 if (likely(data_race(!sk->sk_err))) in sock_error()
2475 err = xchg(&sk->sk_err, 0); in sock_error()
2479 void sk_error_report(struct sock *sk);
2481 static inline unsigned long sock_wspace(struct sock *sk) in sock_wspace() argument
2485 if (!(sk->sk_shutdown & SEND_SHUTDOWN)) { in sock_wspace()
2486 amt = sk->sk_sndbuf - refcount_read(&sk->sk_wmem_alloc); in sock_wspace()
2497 static inline void sk_set_bit(int nr, struct sock *sk) in sk_set_bit() argument
2500 !sock_flag(sk, SOCK_FASYNC)) in sk_set_bit()
2503 set_bit(nr, &sk->sk_wq_raw->flags); in sk_set_bit()
2506 static inline void sk_clear_bit(int nr, struct sock *sk) in sk_clear_bit() argument
2509 !sock_flag(sk, SOCK_FASYNC)) in sk_clear_bit()
2512 clear_bit(nr, &sk->sk_wq_raw->flags); in sk_clear_bit()
2515 static inline void sk_wake_async(const struct sock *sk, int how, int band) in sk_wake_async() argument
2517 if (sock_flag(sk, SOCK_FASYNC)) { in sk_wake_async()
2519 sock_wake_async(rcu_dereference(sk->sk_wq), how, band); in sk_wake_async()
2524 static inline void sk_wake_async_rcu(const struct sock *sk, int how, int band) in sk_wake_async_rcu() argument
2526 if (unlikely(sock_flag(sk, SOCK_FASYNC))) in sk_wake_async_rcu()
2527 sock_wake_async(rcu_dereference(sk->sk_wq), how, band); in sk_wake_async_rcu()
2540 static inline void sk_stream_moderate_sndbuf(struct sock *sk) in sk_stream_moderate_sndbuf() argument
2544 if (sk->sk_userlocks & SOCK_SNDBUF_LOCK) in sk_stream_moderate_sndbuf()
2547 val = min(sk->sk_sndbuf, sk->sk_wmem_queued >> 1); in sk_stream_moderate_sndbuf()
2548 val = max_t(u32, val, sk_unused_reserved_mem(sk)); in sk_stream_moderate_sndbuf()
2550 WRITE_ONCE(sk->sk_sndbuf, max_t(u32, val, SOCK_MIN_SNDBUF)); in sk_stream_moderate_sndbuf()
2569 static inline struct page_frag *sk_page_frag(struct sock *sk) in sk_page_frag() argument
2571 if (sk->sk_use_task_frag) in sk_page_frag()
2574 return &sk->sk_frag; in sk_page_frag()
2577 bool sk_page_frag_refill(struct sock *sk, struct page_frag *pfrag);
2582 static inline bool sock_writeable(const struct sock *sk) in sock_writeable() argument
2584 return refcount_read(&sk->sk_wmem_alloc) < (READ_ONCE(sk->sk_sndbuf) >> 1); in sock_writeable()
2597 static inline long sock_rcvtimeo(const struct sock *sk, bool noblock) in sock_rcvtimeo() argument
2599 return noblock ? 0 : READ_ONCE(sk->sk_rcvtimeo); in sock_rcvtimeo()
2602 static inline long sock_sndtimeo(const struct sock *sk, bool noblock) in sock_sndtimeo() argument
2604 return noblock ? 0 : READ_ONCE(sk->sk_sndtimeo); in sock_sndtimeo()
2607 static inline int sock_rcvlowat(const struct sock *sk, int waitall, int len) in sock_rcvlowat() argument
2609 int v = waitall ? len : min_t(int, READ_ONCE(sk->sk_rcvlowat), len); in sock_rcvlowat()
2640 sock_skb_set_dropcount(const struct sock *sk, struct sk_buff *skb) in sock_skb_set_dropcount() argument
2642 SOCK_SKB_CB(skb)->dropcount = sock_flag(sk, SOCK_RXQ_OVFL) ? in sock_skb_set_dropcount()
2643 atomic_read(&sk->sk_drops) : 0; in sock_skb_set_dropcount()
2646 static inline void sk_drops_add(struct sock *sk, const struct sk_buff *skb) in sk_drops_add() argument
2650 atomic_add(segs, &sk->sk_drops); in sk_drops_add()
2653 static inline ktime_t sock_read_timestamp(struct sock *sk) in sock_read_timestamp() argument
2660 seq = read_seqbegin(&sk->sk_stamp_seq); in sock_read_timestamp()
2661 kt = sk->sk_stamp; in sock_read_timestamp()
2662 } while (read_seqretry(&sk->sk_stamp_seq, seq)); in sock_read_timestamp()
2666 return READ_ONCE(sk->sk_stamp); in sock_read_timestamp()
2670 static inline void sock_write_timestamp(struct sock *sk, ktime_t kt) in sock_write_timestamp() argument
2673 write_seqlock(&sk->sk_stamp_seq); in sock_write_timestamp()
2674 sk->sk_stamp = kt; in sock_write_timestamp()
2675 write_sequnlock(&sk->sk_stamp_seq); in sock_write_timestamp()
2677 WRITE_ONCE(sk->sk_stamp, kt); in sock_write_timestamp()
2681 void __sock_recv_timestamp(struct msghdr *msg, struct sock *sk,
2683 void __sock_recv_wifi_status(struct msghdr *msg, struct sock *sk,
2686 bool skb_has_tx_timestamp(struct sk_buff *skb, const struct sock *sk);
2687 int skb_get_tx_timestamp(struct sk_buff *skb, struct sock *sk,
2691 sock_recv_timestamp(struct msghdr *msg, struct sock *sk, struct sk_buff *skb) in sock_recv_timestamp() argument
2694 u32 tsflags = READ_ONCE(sk->sk_tsflags); in sock_recv_timestamp()
2702 if (sock_flag(sk, SOCK_RCVTSTAMP) || in sock_recv_timestamp()
2707 __sock_recv_timestamp(msg, sk, skb); in sock_recv_timestamp()
2709 sock_write_timestamp(sk, kt); in sock_recv_timestamp()
2711 if (sock_flag(sk, SOCK_WIFI_STATUS) && skb_wifi_acked_valid(skb)) in sock_recv_timestamp()
2712 __sock_recv_wifi_status(msg, sk, skb); in sock_recv_timestamp()
2715 void __sock_recv_cmsgs(struct msghdr *msg, struct sock *sk,
2719 static inline void sock_recv_cmsgs(struct msghdr *msg, struct sock *sk, in sock_recv_cmsgs() argument
2730 if (READ_ONCE(sk->sk_flags) & FLAGS_RECV_CMSGS) in sock_recv_cmsgs()
2731 __sock_recv_cmsgs(msg, sk, skb); in sock_recv_cmsgs()
2732 else if (unlikely(sock_flag(sk, SOCK_TIMESTAMP))) in sock_recv_cmsgs()
2733 sock_write_timestamp(sk, skb->tstamp); in sock_recv_cmsgs()
2734 else if (unlikely(sock_read_timestamp(sk) == SK_DEFAULT_STAMP)) in sock_recv_cmsgs()
2735 sock_write_timestamp(sk, 0); in sock_recv_cmsgs()
2749 static inline void _sock_tx_timestamp(struct sock *sk, in _sock_tx_timestamp() argument
2762 *tskey = atomic_inc_return(&sk->sk_tskey) - 1; in _sock_tx_timestamp()
2767 static inline void sock_tx_timestamp(struct sock *sk, in sock_tx_timestamp() argument
2771 _sock_tx_timestamp(sk, sockc, tx_flags, NULL); in sock_tx_timestamp()
2777 _sock_tx_timestamp(skb->sk, sockc, &skb_shinfo(skb)->tx_flags, in skb_setup_tx_timestamp()
2781 static inline bool sk_is_inet(const struct sock *sk) in sk_is_inet() argument
2783 int family = READ_ONCE(sk->sk_family); in sk_is_inet()
2788 static inline bool sk_is_tcp(const struct sock *sk) in sk_is_tcp() argument
2790 return sk_is_inet(sk) && in sk_is_tcp()
2791 sk->sk_type == SOCK_STREAM && in sk_is_tcp()
2792 sk->sk_protocol == IPPROTO_TCP; in sk_is_tcp()
2795 static inline bool sk_is_udp(const struct sock *sk) in sk_is_udp() argument
2797 return sk_is_inet(sk) && in sk_is_udp()
2798 sk->sk_type == SOCK_DGRAM && in sk_is_udp()
2799 sk->sk_protocol == IPPROTO_UDP; in sk_is_udp()
2802 static inline bool sk_is_unix(const struct sock *sk) in sk_is_unix() argument
2804 return sk->sk_family == AF_UNIX; in sk_is_unix()
2807 static inline bool sk_is_stream_unix(const struct sock *sk) in sk_is_stream_unix() argument
2809 return sk_is_unix(sk) && sk->sk_type == SOCK_STREAM; in sk_is_stream_unix()
2812 static inline bool sk_is_vsock(const struct sock *sk) in sk_is_vsock() argument
2814 return sk->sk_family == AF_VSOCK; in sk_is_vsock()
2817 static inline bool sk_may_scm_recv(const struct sock *sk) in sk_may_scm_recv() argument
2819 return (IS_ENABLED(CONFIG_UNIX) && sk->sk_family == AF_UNIX) || in sk_may_scm_recv()
2820 sk->sk_family == AF_NETLINK || in sk_may_scm_recv()
2821 (IS_ENABLED(CONFIG_BT) && sk->sk_family == AF_BLUETOOTH); in sk_may_scm_recv()
2832 static inline void sk_eat_skb(struct sock *sk, struct sk_buff *skb) in sk_eat_skb() argument
2834 __skb_unlink(skb, &sk->sk_receive_queue); in sk_eat_skb()
2851 static inline bool sk_fullsock(const struct sock *sk) in sk_fullsock() argument
2853 return (1 << sk->sk_state) & ~(TCPF_TIME_WAIT | TCPF_NEW_SYN_RECV); in sk_fullsock()
2857 sk_is_refcounted(struct sock *sk) in sk_is_refcounted() argument
2860 return !sk_fullsock(sk) || !sock_flag(sk, SOCK_RCU_FREE); in sk_is_refcounted()
2864 sk_requests_wifi_status(struct sock *sk) in sk_requests_wifi_status() argument
2866 return sk && sk_fullsock(sk) && sock_flag(sk, SOCK_WIFI_STATUS); in sk_requests_wifi_status()
2877 struct sock *sk = skb->sk; in sk_validate_xmit_skb() local
2879 if (sk && sk_fullsock(sk) && sk->sk_validate_xmit_skb) { in sk_validate_xmit_skb()
2880 skb = sk->sk_validate_xmit_skb(sk, dev, skb); in sk_validate_xmit_skb()
2894 static inline bool sk_listener(const struct sock *sk) in sk_listener() argument
2896 return (1 << sk->sk_state) & (TCPF_LISTEN | TCPF_NEW_SYN_RECV); in sk_listener()
2903 static inline bool sk_listener_or_tw(const struct sock *sk) in sk_listener_or_tw() argument
2905 return (1 << READ_ONCE(sk->sk_state)) & in sk_listener_or_tw()
2909 void sock_enable_timestamp(struct sock *sk, enum sock_flags flag);
2910 int sock_recv_errqueue(struct sock *sk, struct msghdr *msg, int len, int level,
2913 bool sk_ns_capable(const struct sock *sk,
2915 bool sk_capable(const struct sock *sk, int cap);
2916 bool sk_net_capable(const struct sock *sk, int cap);
2918 void sk_get_meminfo(const struct sock *sk, u32 *meminfo);
2939 static inline int sk_get_wmem0(const struct sock *sk, const struct proto *proto) in sk_get_wmem0() argument
2943 return READ_ONCE(*(int *)((void *)sock_net(sk) + proto->sysctl_wmem_offset)); in sk_get_wmem0()
2948 static inline int sk_get_rmem0(const struct sock *sk, const struct proto *proto) in sk_get_rmem0() argument
2952 return READ_ONCE(*(int *)((void *)sock_net(sk) + proto->sysctl_rmem_offset)); in sk_get_rmem0()
2961 static inline void sk_pacing_shift_update(struct sock *sk, int val) in sk_pacing_shift_update() argument
2963 if (!sk || !sk_fullsock(sk) || READ_ONCE(sk->sk_pacing_shift) == val) in sk_pacing_shift_update()
2965 WRITE_ONCE(sk->sk_pacing_shift, val); in sk_pacing_shift_update()
2973 static inline bool sk_dev_equal_l3scope(struct sock *sk, int dif) in sk_dev_equal_l3scope() argument
2975 int bound_dev_if = READ_ONCE(sk->sk_bound_dev_if); in sk_dev_equal_l3scope()
2981 mdif = l3mdev_master_ifindex_by_index(sock_net(sk), dif); in sk_dev_equal_l3scope()
2988 void sock_def_readable(struct sock *sk);
2990 int sock_bindtoindex(struct sock *sk, int ifindex, bool lock_sk);
2991 void sock_set_timestamp(struct sock *sk, int optname, bool valbool);
2992 int sock_set_timestamping(struct sock *sk, int optname,
2996 void bpf_skops_tx_timestamping(struct sock *sk, struct sk_buff *skb, int op);
2998 static inline void bpf_skops_tx_timestamping(struct sock *sk, struct sk_buff *skb, int op) in bpf_skops_tx_timestamping() argument
3002 void sock_no_linger(struct sock *sk);
3003 void sock_set_keepalive(struct sock *sk);
3004 void sock_set_priority(struct sock *sk, u32 priority);
3005 void sock_set_rcvbuf(struct sock *sk, int val);
3006 void sock_set_mark(struct sock *sk, u32 val);
3007 void sock_set_reuseaddr(struct sock *sk);
3008 void sock_set_reuseport(struct sock *sk);
3009 void sock_set_sndtimeo(struct sock *sk, s64 secs);
3011 int sock_bind_add(struct sock *sk, struct sockaddr *addr, int addr_len);
3017 int sock_ioctl_inout(struct sock *sk, unsigned int cmd,
3019 int sk_ioctl(struct sock *sk, unsigned int cmd, void __user *arg);
3020 static inline bool sk_is_readable(struct sock *sk) in sk_is_readable() argument
3022 const struct proto *prot = READ_ONCE(sk->sk_prot); in sk_is_readable()
3025 return prot->sock_is_readable(sk); in sk_is_readable()