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 int *addr_len); 64 65 struct sk_buff *inet_gro_receive(struct list_head *head, struct sk_buff *skb); 66 int inet_gro_complete(struct sk_buff *skb, int nhoff); 67 struct sk_buff *inet_gso_segment(struct sk_buff *skb, 68 netdev_features_t features); 69 70 static inline void inet_ctl_sock_destroy(struct sock *sk) 71 { 72 if (sk) 73 sock_release(sk->sk_socket); 74 } 75 76 #define indirect_call_gro_receive(f2, f1, cb, head, skb) \ 77 ({ \ 78 unlikely(gro_recursion_inc_test(skb)) ? \ 79 NAPI_GRO_CB(skb)->flush |= 1, NULL : \ 80 INDIRECT_CALL_2(cb, f2, f1, head, skb); \ 81 }) 82 83 #endif 84