89 static inline int netlink_is_kernel(struct sock *sk)  in netlink_is_kernel()
99 static int netlink_dump(struct sock *sk);
199 	struct sock *sk = skb->sk;  in netlink_filter_tap()
223 	struct sock *sk = skb->sk;  in __netlink_deliver_tap_skb()
272 static void netlink_deliver_tap_kernel(struct sock *dst, struct sock *src,  in netlink_deliver_tap_kernel()
279 static void netlink_overrun(struct sock *sk)  in netlink_overrun()
293 static void netlink_rcv_wake(struct sock *sk)  in netlink_rcv_wake()
304 static bool netlink_rx_is_mmaped(struct sock *sk)  in netlink_rx_is_mmaped()
309 static bool netlink_tx_is_mmaped(struct sock *sk)  in netlink_tx_is_mmaped()
380 __netlink_set_ring(struct sock *sk, struct nl_mmap_req *req, bool tx_ring, void **pg_vec,  in __netlink_set_ring()
410 static int netlink_set_ring(struct sock *sk, struct nl_mmap_req *req,  in netlink_set_ring()
473 	struct socket *sock = file->private_data;  in netlink_mm_open()  local
474 	struct sock *sk = sock->sk;  in netlink_mm_open()
483 	struct socket *sock = file->private_data;  in netlink_mm_close()  local
484 	struct sock *sk = sock->sk;  in netlink_mm_close()
495 static int netlink_mmap(struct file *file, struct socket *sock,  in netlink_mmap()  argument
498 	struct sock *sk = sock->sk;  in netlink_mmap()
668 static unsigned int netlink_poll(struct file *file, struct socket *sock,  in netlink_poll()  argument
671 	struct sock *sk = sock->sk;  in netlink_poll()
692 	mask = datagram_poll(file, sock, wait);  in netlink_poll()
723 static void netlink_ring_setup_skb(struct sk_buff *skb, struct sock *sk,  in netlink_ring_setup_skb()
744 static int netlink_mmap_sendmsg(struct sock *sk, struct msghdr *msg,  in netlink_mmap_sendmsg()
822 static void netlink_queue_mmaped_skb(struct sock *sk, struct sk_buff *skb)  in netlink_queue_mmaped_skb()
839 static void netlink_ring_set_copied(struct sock *sk, struct sk_buff *skb)  in netlink_ring_set_copied()
878 	struct sock *sk;  in netlink_skb_destructor()
918 static void netlink_skb_set_owner_r(struct sk_buff *skb, struct sock *sk)  in netlink_skb_set_owner_r()
927 static void netlink_sock_destruct(struct sock *sk)  in netlink_sock_destruct()
1046 static struct sock *__netlink_lookup(struct netlink_table *table, u32 portid,  in __netlink_lookup()
1056 static int __netlink_insert(struct netlink_table *table, struct sock *sk)  in __netlink_insert()
1066 static struct sock *netlink_lookup(struct net *net, int protocol, u32 portid)  in netlink_lookup()
1069 	struct sock *sk;  in netlink_lookup()
1083 netlink_update_listeners(struct sock *sk)  in netlink_update_listeners()
1106 static int netlink_insert(struct sock *sk, u32 portid)  in netlink_insert()
1147 static void netlink_remove(struct sock *sk)  in netlink_remove()
1174 static int __netlink_create(struct net *net, struct socket *sock,  in __netlink_create()  argument
1178 	struct sock *sk;  in __netlink_create()
1181 	sock->ops = &netlink_ops;  in __netlink_create()
1187 	sock_init_data(sock, sk);  in __netlink_create()
1206 static int netlink_create(struct net *net, struct socket *sock, int protocol,  in netlink_create()  argument
1216 	sock->state = SS_UNCONNECTED;  in netlink_create()
1218 	if (sock->type != SOCK_RAW && sock->type != SOCK_DGRAM)  in netlink_create()
1245 	err = __netlink_create(net, sock, cb_mutex, protocol, kern);  in netlink_create()
1253 	nlk = nlk_sk(sock->sk);  in netlink_create()
1272 static int netlink_release(struct socket *sock)  in netlink_release()  argument
1274 	struct sock *sk = sock->sk;  in netlink_release()
1303 	sock->sk = NULL;  in netlink_release()
1348 static int netlink_autobind(struct socket *sock)  in netlink_autobind()  argument
1350 	struct sock *sk = sock->sk;  in netlink_autobind()
1452 static inline int netlink_allowed(const struct socket *sock, unsigned int flag)  in netlink_allowed()  argument
1454 	return (nl_table[sock->sk->sk_protocol].flags & flag) ||  in netlink_allowed()
1455 		ns_capable(sock_net(sock->sk)->user_ns, CAP_NET_ADMIN);  in netlink_allowed()
1459 netlink_update_subscriptions(struct sock *sk, unsigned int subscriptions)  in netlink_update_subscriptions()
1470 static int netlink_realloc_groups(struct sock *sk)  in netlink_realloc_groups()
1504 			      struct sock *sk)  in netlink_undo_bind()
1517 static int netlink_bind(struct socket *sock, struct sockaddr *addr,  in netlink_bind()  argument
1520 	struct sock *sk = sock->sk;  in netlink_bind()
1536 		if (!netlink_allowed(sock, NL_CFG_F_NONROOT_RECV))  in netlink_bind()
1572 			netlink_autobind(sock);  in netlink_bind()
1593 static int netlink_connect(struct socket *sock, struct sockaddr *addr,  in netlink_connect()  argument
1597 	struct sock *sk = sock->sk;  in netlink_connect()
1614 	    !netlink_allowed(sock, NL_CFG_F_NONROOT_SEND))  in netlink_connect()
1621 		err = netlink_autobind(sock);  in netlink_connect()
1632 static int netlink_getname(struct socket *sock, struct sockaddr *addr,  in netlink_getname()  argument
1635 	struct sock *sk = sock->sk;  in netlink_getname()
1653 static struct sock *netlink_getsockbyportid(struct sock *ssk, u32 portid)  in netlink_getsockbyportid()
1655 	struct sock *sock;  in netlink_getsockbyportid()  local
1658 	sock = netlink_lookup(sock_net(ssk), ssk->sk_protocol, portid);  in netlink_getsockbyportid()
1659 	if (!sock)  in netlink_getsockbyportid()
1663 	nlk = nlk_sk(sock);  in netlink_getsockbyportid()
1664 	if (sock->sk_state == NETLINK_CONNECTED &&  in netlink_getsockbyportid()
1666 		sock_put(sock);  in netlink_getsockbyportid()
1669 	return sock;  in netlink_getsockbyportid()
1672 struct sock *netlink_getsockbyfilp(struct file *filp)  in netlink_getsockbyfilp()
1675 	struct sock *sock;  in netlink_getsockbyfilp()  local
1680 	sock = SOCKET_I(inode)->sk;  in netlink_getsockbyfilp()
1681 	if (sock->sk_family != AF_NETLINK)  in netlink_getsockbyfilp()
1684 	sock_hold(sock);  in netlink_getsockbyfilp()
1685 	return sock;  in netlink_getsockbyfilp()
1723 int netlink_attachskb(struct sock *sk, struct sk_buff *skb,  in netlink_attachskb()
1724 		      long *timeo, struct sock *ssk)  in netlink_attachskb()
1764 static int __netlink_sendskb(struct sock *sk, struct sk_buff *skb)  in __netlink_sendskb()
1782 int netlink_sendskb(struct sock *sk, struct sk_buff *skb)  in netlink_sendskb()
1790 void netlink_detachskb(struct sock *sk, struct sk_buff *skb)  in netlink_detachskb()
1822 static int netlink_unicast_kernel(struct sock *sk, struct sk_buff *skb,  in netlink_unicast_kernel()
1823 				  struct sock *ssk)  in netlink_unicast_kernel()
1843 int netlink_unicast(struct sock *ssk, struct sk_buff *skb,  in netlink_unicast()
1846 	struct sock *sk;  in netlink_unicast()
1879 struct sk_buff *__netlink_alloc_skb(struct sock *ssk, unsigned int size,  in __netlink_alloc_skb()
1885 	struct sock *sk = NULL;  in __netlink_alloc_skb()
1952 int netlink_has_listeners(struct sock *sk, unsigned int group)  in netlink_has_listeners()
1971 static int netlink_broadcast_deliver(struct sock *sk, struct sk_buff *skb)  in netlink_broadcast_deliver()
1985 	struct sock *exclude_sk;
1995 	int (*tx_filter)(struct sock *dsk, struct sk_buff *skb, void *data);
1999 static void do_one_broadcast(struct sock *sk,  in do_one_broadcast()
2076 int netlink_broadcast_filtered(struct sock *ssk, struct sk_buff *skb, u32 portid,  in netlink_broadcast_filtered()
2078 	int (*filter)(struct sock *dsk, struct sk_buff *skb, void *data),  in netlink_broadcast_filtered()
2083 	struct sock *sk;  in netlink_broadcast_filtered()
2127 int netlink_broadcast(struct sock *ssk, struct sk_buff *skb, u32 portid,  in netlink_broadcast()
2136 	struct sock *exclude_sk;
2142 static int do_one_set_err(struct sock *sk, struct netlink_set_err_data *p)  in do_one_set_err()
2178 int netlink_set_err(struct sock *ssk, u32 portid, u32 group, int code)  in netlink_set_err()
2181 	struct sock *sk;  in netlink_set_err()
2217 static int netlink_setsockopt(struct socket *sock, int level, int optname,  in netlink_setsockopt()  argument
2220 	struct sock *sk = sock->sk;  in netlink_setsockopt()
2243 		if (!netlink_allowed(sock, NL_CFG_F_NONROOT_RECV))  in netlink_setsockopt()
2324 static int netlink_getsockopt(struct socket *sock, int level, int optname,  in netlink_getsockopt()  argument
2327 	struct sock *sk = sock->sk;  in netlink_getsockopt()
2416 static void netlink_cmsg_listen_all_nsid(struct sock *sk, struct msghdr *msg,  in netlink_cmsg_listen_all_nsid()
2426 static int netlink_sendmsg(struct socket *sock, struct msghdr *msg, size_t len)  in netlink_sendmsg()  argument
2428 	struct sock *sk = sock->sk;  in netlink_sendmsg()
2441 	err = scm_send(sock, msg, &scm, true);  in netlink_sendmsg()
2453 		    !netlink_allowed(sock, NL_CFG_F_NONROOT_SEND))  in netlink_sendmsg()
2462 		err = netlink_autobind(sock);  in netlink_sendmsg()
2518 static int netlink_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,  in netlink_recvmsg()  argument
2522 	struct sock *sk = sock->sk;  in netlink_recvmsg()
2601 	scm_recv(sock, msg, &scm, flags);  in netlink_recvmsg()
2607 static void netlink_data_ready(struct sock *sk)  in netlink_data_ready()
2618 struct sock *
2622 	struct socket *sock;  in __netlink_kernel_create()  local
2623 	struct sock *sk;  in __netlink_kernel_create()
2634 	if (sock_create_lite(PF_NETLINK, SOCK_DGRAM, unit, &sock))  in __netlink_kernel_create()
2637 	if (__netlink_create(net, sock, cb_mutex, unit, 1) < 0)  in __netlink_kernel_create()
2640 	sk = sock->sk;  in __netlink_kernel_create()
2688 	sock_release(sock);  in __netlink_kernel_create()
2694 netlink_kernel_release(struct sock *sk)  in netlink_kernel_release()
2703 int __netlink_change_ngroups(struct sock *sk, unsigned int groups)  in __netlink_change_ngroups()
2738 int netlink_change_ngroups(struct sock *sk, unsigned int groups)  in netlink_change_ngroups()
2749 void __netlink_clear_multicast_users(struct sock *ksk, unsigned int group)  in __netlink_clear_multicast_users()
2751 	struct sock *sk;  in __netlink_clear_multicast_users()
2781 static int netlink_dump(struct sock *sk)  in netlink_dump()
2880 int __netlink_dump_start(struct sock *ssk, struct sk_buff *skb,  in __netlink_dump_start()
2885 	struct sock *sk;  in __netlink_dump_start()
2970 		struct sock *sk;  in netlink_ack()
3043 int nlmsg_notify(struct sock *sk, struct sk_buff *skb, u32 portid,  in nlmsg_notify()
3177 		struct sock *s = v;  in netlink_seq_show()