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