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 7 extern const struct proto_ops inet_stream_ops; 8 extern const struct proto_ops inet_dgram_ops; 9 10 /* 11 * INET4 prototypes used by INET6 12 */ 13 14 struct msghdr; 15 struct sock; 16 struct sockaddr; 17 struct socket; 18 19 int inet_release(struct socket *sock); 20 int inet_stream_connect(struct socket *sock, struct sockaddr *uaddr, 21 int addr_len, int flags); 22 int __inet_stream_connect(struct socket *sock, struct sockaddr *uaddr, 23 int addr_len, int flags, int is_sendmsg); 24 int inet_dgram_connect(struct socket *sock, struct sockaddr *uaddr, 25 int addr_len, int flags); 26 int inet_accept(struct socket *sock, struct socket *newsock, int flags, 27 bool kern); 28 int inet_send_prepare(struct sock *sk); 29 int inet_sendmsg(struct socket *sock, struct msghdr *msg, size_t size); 30 ssize_t inet_sendpage(struct socket *sock, struct page *page, int offset, 31 size_t size, int flags); 32 int inet_recvmsg(struct socket *sock, struct msghdr *msg, size_t size, 33 int flags); 34 int inet_shutdown(struct socket *sock, int how); 35 int inet_listen(struct socket *sock, int backlog); 36 void inet_sock_destruct(struct sock *sk); 37 int inet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len); 38 /* Don't allocate port at this moment, defer to connect. */ 39 #define BIND_FORCE_ADDRESS_NO_PORT (1 << 0) 40 /* Grab and release socket lock. */ 41 #define BIND_WITH_LOCK (1 << 1) 42 /* Called from BPF program. */ 43 #define BIND_FROM_BPF (1 << 2) 44 int __inet_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len, 45 u32 flags); 46 int inet_getname(struct socket *sock, struct sockaddr *uaddr, 47 int peer); 48 int inet_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg); 49 int inet_ctl_sock_create(struct sock **sk, unsigned short family, 50 unsigned short type, unsigned char protocol, 51 struct net *net); 52 int inet_recv_error(struct sock *sk, struct msghdr *msg, int len, 53 int *addr_len); 54 55 struct sk_buff *inet_gro_receive(struct list_head *head, struct sk_buff *skb); 56 int inet_gro_complete(struct sk_buff *skb, int nhoff); 57 struct sk_buff *inet_gso_segment(struct sk_buff *skb, 58 netdev_features_t features); 59 60 static inline void inet_ctl_sock_destroy(struct sock *sk) 61 { 62 if (sk) 63 sock_release(sk->sk_socket); 64 } 65 66 #define indirect_call_gro_receive(f2, f1, cb, head, skb) \ 67 ({ \ 68 unlikely(gro_recursion_inc_test(skb)) ? \ 69 NAPI_GRO_CB(skb)->flush |= 1, NULL : \ 70 INDIRECT_CALL_2(cb, f2, f1, head, skb); \ 71 }) 72 73 #endif 74