LXR linux/include/net/inet

   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
   7extern const struct proto_ops inet_stream_ops;
   8extern const struct proto_ops inet_dgram_ops;
   9
  10/*
  11 *      INET4 prototypes used by INET6
  12 */
  13
  14struct msghdr;
  15struct sock;
  16struct sockaddr;
  17struct socket;
  18
  19int inet_release(struct socket *sock);
  20int inet_stream_connect(struct socket *sock, struct sockaddr *uaddr,
  21                        int addr_len, int flags);
  22int __inet_stream_connect(struct socket *sock, struct sockaddr *uaddr,
  23                          int addr_len, int flags, int is_sendmsg);
  24int inet_dgram_connect(struct socket *sock, struct sockaddr *uaddr,
  25                       int addr_len, int flags);
  26int inet_accept(struct socket *sock, struct socket *newsock, int flags,
  27                bool kern);
  28int inet_send_prepare(struct sock *sk);
  29int inet_sendmsg(struct socket *sock, struct msghdr *msg, size_t size);
  30ssize_t inet_sendpage(struct socket *sock, struct page *page, int offset,
  31                      size_t size, int flags);
  32int inet_recvmsg(struct socket *sock, struct msghdr *msg, size_t size,
  33                 int flags);
  34int inet_shutdown(struct socket *sock, int how);
  35int inet_listen(struct socket *sock, int backlog);
  36void inet_sock_destruct(struct sock *sk);
  37int 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/* Skip CAP_NET_BIND_SERVICE check. */
  45#define BIND_NO_CAP_NET_BIND_SERVICE    (1 << 3)
  46int __inet_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len,
  47                u32 flags);
  48int inet_getname(struct socket *sock, struct sockaddr *uaddr,
  49                 int peer);
  50int inet_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
  51int inet_ctl_sock_create(struct sock **sk, unsigned short family,
  52                         unsigned short type, unsigned char protocol,
  53                         struct net *net);
  54int inet_recv_error(struct sock *sk, struct msghdr *msg, int len,
  55                    int *addr_len);
  56
  57struct sk_buff *inet_gro_receive(struct list_head *head, struct sk_buff *skb);
  58int inet_gro_complete(struct sk_buff *skb, int nhoff);
  59struct sk_buff *inet_gso_segment(struct sk_buff *skb,
  60                                 netdev_features_t features);
  61
  62static inline void inet_ctl_sock_destroy(struct sock *sk)
  63{
  64        if (sk)
  65                sock_release(sk->sk_socket);
  66}
  67
  68#define indirect_call_gro_receive(f2, f1, cb, head, skb)        \
  69({                                                              \
  70        unlikely(gro_recursion_inc_test(skb)) ?                 \
  71                NAPI_GRO_CB(skb)->flush |= 1, NULL :            \
  72                INDIRECT_CALL_2(cb, f2, f1, head, skb);         \
  73})
  74
  75#endif
  76