Line data    Source code

       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             : /* Skip CAP_NET_BIND_SERVICE check. */
      45             : #define BIND_NO_CAP_NET_BIND_SERVICE    (1 << 3)
      46             : int __inet_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len,
      47             :                 u32 flags);
      48             : int inet_getname(struct socket *sock, struct sockaddr *uaddr,
      49             :                  int peer);
      50             : int inet_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
      51             : int inet_ctl_sock_create(struct sock **sk, unsigned short family,
      52             :                          unsigned short type, unsigned char protocol,
      53             :                          struct net *net);
      54             : int inet_recv_error(struct sock *sk, struct msghdr *msg, int len,
      55             :                     int *addr_len);
      56             : 
      57             : struct sk_buff *inet_gro_receive(struct list_head *head, struct sk_buff *skb);
      58             : int inet_gro_complete(struct sk_buff *skb, int nhoff);
      59             : struct sk_buff *inet_gso_segment(struct sk_buff *skb,
      60             :                                  netdev_features_t features);
      61             : 
      62           0 : static inline void inet_ctl_sock_destroy(struct sock *sk)
      63             : {
      64           0 :         if (sk)
      65           0 :                 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