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