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 sockaddr; |
23 | struct socket; |
24 | |
25 | int inet_release(struct socket *sock); |
26 | int inet_stream_connect(struct socket *sock, struct sockaddr *uaddr, |
27 | int addr_len, int flags); |
28 | int __inet_stream_connect(struct socket *sock, struct sockaddr *uaddr, |
29 | int addr_len, int flags, int is_sendmsg); |
30 | int inet_dgram_connect(struct socket *sock, struct sockaddr *uaddr, |
31 | int addr_len, int flags); |
32 | int inet_accept(struct socket *sock, struct socket *newsock, int flags, |
33 | bool kern); |
34 | int inet_send_prepare(struct sock *sk); |
35 | int inet_sendmsg(struct socket *sock, struct msghdr *msg, size_t size); |
36 | ssize_t inet_sendpage(struct socket *sock, struct page *page, int offset, |
37 | size_t size, int flags); |
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 | void inet_sock_destruct(struct sock *sk); |
43 | int inet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len); |
44 | /* Don't allocate port at this moment, defer to connect. */ |
45 | #define BIND_FORCE_ADDRESS_NO_PORT (1 << 0) |
46 | /* Grab and release socket lock. */ |
47 | #define BIND_WITH_LOCK (1 << 1) |
48 | /* Called from BPF program. */ |
49 | #define BIND_FROM_BPF (1 << 2) |
50 | /* Skip CAP_NET_BIND_SERVICE check. */ |
51 | #define BIND_NO_CAP_NET_BIND_SERVICE (1 << 3) |
52 | int __inet_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len, |
53 | u32 flags); |
54 | int inet_getname(struct socket *sock, struct sockaddr *uaddr, |
55 | int peer); |
56 | int inet_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg); |
57 | int inet_ctl_sock_create(struct sock **sk, unsigned short family, |
58 | unsigned short type, unsigned char protocol, |
59 | struct net *net); |
60 | int inet_recv_error(struct sock *sk, struct msghdr *msg, int len, |
61 | int *addr_len); |
62 | |
63 | struct sk_buff *inet_gro_receive(struct list_head *head, struct sk_buff *skb); |
64 | int inet_gro_complete(struct sk_buff *skb, int nhoff); |
65 | struct sk_buff *inet_gso_segment(struct sk_buff *skb, |
66 | netdev_features_t features); |
67 | |
68 | static inline void inet_ctl_sock_destroy(struct sock *sk) |
69 | { |
70 | if (sk) |
71 | sock_release(sk->sk_socket); |
72 | } |
73 | |
74 | #define indirect_call_gro_receive(f2, f1, cb, head, skb) \ |
75 | ({ \ |
76 | unlikely(gro_recursion_inc_test(skb)) ? \ |
77 | NAPI_GRO_CB(skb)->flush |= 1, NULL : \ |
78 | INDIRECT_CALL_2(cb, f2, f1, head, skb); \ |
79 | }) |
80 | |
81 | #endif |
82 | |