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 11extern const struct proto_ops inet_stream_ops; 12extern const struct proto_ops inet_dgram_ops; 13 14/* 15 * INET4 prototypes used by INET6 16 */ 17 18struct msghdr; 19struct net; 20struct page; 21struct sock; 22struct sockaddr; 23struct socket; 24 25int inet_release(struct socket *sock); 26int inet_stream_connect(struct socket *sock, struct sockaddr *uaddr, 27 int addr_len, int flags); 28int __inet_stream_connect(struct socket *sock, struct sockaddr *uaddr, 29 int addr_len, int flags, int is_sendmsg); 30int inet_dgram_connect(struct socket *sock, struct sockaddr *uaddr, 31 int addr_len, int flags); 32int inet_accept(struct socket *sock, struct socket *newsock, int flags, 33 bool kern); 34void __inet_accept(struct socket *sock, struct socket *newsock, 35 struct sock *newsk); 36int inet_send_prepare(struct sock *sk); 37int inet_sendmsg(struct socket *sock, struct msghdr *msg, size_t size); 38void inet_splice_eof(struct socket *sock); 39int inet_recvmsg(struct socket *sock, struct msghdr *msg, size_t size, 40 int flags); 41int inet_shutdown(struct socket *sock, int how); 42int inet_listen(struct socket *sock, int backlog); 43int __inet_listen_sk(struct sock *sk, int backlog); 44void inet_sock_destruct(struct sock *sk); 45int inet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len); 46int inet_bind_sk(struct sock *sk, struct sockaddr *uaddr, int addr_len); 47/* Don't allocate port at this moment, defer to connect. */ 48#define BIND_FORCE_ADDRESS_NO_PORT (1 << 0) 49/* Grab and release socket lock. */ 50#define BIND_WITH_LOCK (1 << 1) 51/* Called from BPF program. */ 52#define BIND_FROM_BPF (1 << 2) 53/* Skip CAP_NET_BIND_SERVICE check. */ 54#define BIND_NO_CAP_NET_BIND_SERVICE (1 << 3) 55int __inet_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len, 56 u32 flags); 57int inet_getname(struct socket *sock, struct sockaddr *uaddr, 58 int peer); 59int inet_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg); 60int inet_ctl_sock_create(struct sock **sk, unsigned short family, 61 unsigned short type, unsigned char protocol, 62 struct net *net); 63int inet_recv_error(struct sock *sk, struct msghdr *msg, int len, 64 int *addr_len); 65 66struct sk_buff *inet_gro_receive(struct list_head *head, struct sk_buff *skb); 67int inet_gro_complete(struct sk_buff *skb, int nhoff); 68struct sk_buff *inet_gso_segment(struct sk_buff *skb, 69 netdev_features_t features); 70 71static inline void inet_ctl_sock_destroy(struct sock *sk) 72{ 73 if (sk) 74 sock_release(sk->sk_socket); 75} 76 77#define indirect_call_gro_receive(f2, f1, cb, head, skb) \ 78({ \ 79 unlikely(gro_recursion_inc_test(skb)) ? \ 80 NAPI_GRO_CB(skb)->flush |= 1, NULL : \ 81 INDIRECT_CALL_2(cb, f2, f1, head, skb); \ 82}) 83 84#endif 85