| 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 | |
|---|
