linux - include/net/inet

82 lines · 2.8 KiB

1	/* SPDX-License-Identifier: GPL-2.0 */
2	#ifndef _INET_COMMON_H
3	#define _INET_COMMON_H
4
5	#include <linux/indirect_call_wrapper.h>
6	#include <linux/net.h>
7	#include <linux/netdev_features.h>
8	#include <linux/types.h>
9	#include <net/sock.h>
10
11	extern const struct proto_ops inet_stream_ops;
12	extern const struct proto_ops inet_dgram_ops;
13
14	/*
15	* INET4 prototypes used by INET6
16	*/
17
18	struct msghdr;
19	struct net;
20	struct page;
21	struct sock;
22	struct socket;
23
24	int inet_release(struct socket *sock);
25	int inet_stream_connect(struct socket sock, struct sockaddr_unsized uaddr,
26	int addr_len, int flags);
27	int __inet_stream_connect(struct socket sock, struct sockaddr_unsized uaddr,
28	int addr_len, int flags, int is_sendmsg);
29	int inet_dgram_connect(struct socket sock, struct sockaddr_unsized uaddr,
30	int addr_len, int flags);
31	int inet_accept(struct socket sock, struct socket newsock,
32	struct proto_accept_arg *arg);
33	void __inet_accept(struct socket sock, struct socket newsock,
34	struct sock *newsk);
35	int inet_send_prepare(struct sock *sk);
36	int inet_sendmsg(struct socket sock, struct msghdr msg, size_t size);
37	void inet_splice_eof(struct socket *sock);
38	int inet_recvmsg(struct socket sock, struct msghdr msg, size_t size,
39	int flags);
40	int inet_shutdown(struct socket *sock, int how);
41	int inet_listen(struct socket *sock, int backlog);
42	int __inet_listen_sk(struct sock *sk, int backlog);
43	void inet_sock_destruct(struct sock *sk);
44	int inet_bind(struct socket sock, struct sockaddr_unsized uaddr, int addr_len);
45	int inet_bind_sk(struct sock sk, struct sockaddr_unsized uaddr, int addr_len);
46	/* Don't allocate port at this moment, defer to connect. */
47	#define BIND_FORCE_ADDRESS_NO_PORT (1 << 0)
48	/* Grab and release socket lock. */
49	#define BIND_WITH_LOCK (1 << 1)
50	/* Called from BPF program. */
51	#define BIND_FROM_BPF (1 << 2)
52	/* Skip CAP_NET_BIND_SERVICE check. */
53	#define BIND_NO_CAP_NET_BIND_SERVICE (1 << 3)
54	int __inet_bind(struct sock sk, struct sockaddr_unsized uaddr, int addr_len,
55	u32 flags);
56	int inet_getname(struct socket sock, struct sockaddr uaddr,
57	int peer);
58	int inet_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
59	int inet_ctl_sock_create(struct sock **sk, unsigned short family,
60	unsigned short type, unsigned char protocol,
61	struct net *net);
62	int inet_recv_error(struct sock sk, struct msghdr msg, int len);
63
64	struct sk_buff inet_gro_receive(struct list_head head, struct sk_buff *skb);
65	int inet_gro_complete(struct sk_buff *skb, int nhoff);
66	struct sk_buff inet_gso_segment(struct sk_buff skb,
67	netdev_features_t features);
68
69	static inline void inet_ctl_sock_destroy(struct sock *sk)
70	{
71	if (sk)
72	sock_release(sk->sk_socket);
73	}
74
75	#define indirect_call_gro_receive(f2, f1, cb, head, skb) \
76	({ \
77	unlikely(gro_recursion_inc_test(skb)) ? \
78	NAPI_GRO_CB(skb)->flush \|= 1, NULL : \
79	INDIRECT_CALL_2(cb, f2, f1, head, skb); \
80	})
81
82	#endif