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, 33 struct proto_accept_arg *arg); 34 void __inet_accept(struct socket *sock, struct socket *newsock, 35 struct sock *newsk); 36 int inet_send_prepare(struct sock *sk); 37 int inet_sendmsg(struct socket *sock, struct msghdr *msg, size_t size); 38 void inet_splice_eof(struct socket *sock); 39 int inet_recvmsg(struct socket *sock, struct msghdr *msg, size_t size, 40 int flags); 41 int inet_shutdown(struct socket *sock, int how); 42 int inet_listen(struct socket *sock, int backlog); 43 int __inet_listen_sk(struct sock *sk, int backlog); 44 void inet_sock_destruct(struct sock *sk); 45 int inet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len); 46 int 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) 55 int __inet_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len, 56 u32 flags); 57 int inet_getname(struct socket *sock, struct sockaddr *uaddr, 58 int peer); 59 int inet_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg); 60 int inet_ctl_sock_create(struct sock **sk, unsigned short family, 61 unsigned short type, unsigned char protocol, 62 struct net *net); 63 int inet_recv_error(struct sock *sk, struct msghdr *msg, int len, 64 int *addr_len); 65 66 struct sk_buff *inet_gro_receive(struct list_head *head, struct sk_buff *skb); 67 int inet_gro_complete(struct sk_buff *skb, int nhoff); 68 struct sk_buff *inet_gso_segment(struct sk_buff *skb, 69 netdev_features_t features); 70 inet_ctl_sock_destroy(struct sock * sk)71 static 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