inet_common.h 2.7 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. #ifndef _INET_COMMON_H
  3. #define _INET_COMMON_H
  4. #include <linux/indirect_call_wrapper.h>
  5. #include <linux/net.h>
  6. #include <linux/netdev_features.h>
  7. #include <linux/types.h>
  8. #include <net/sock.h>
  9. extern const struct proto_ops inet_stream_ops;
  10. extern const struct proto_ops inet_dgram_ops;
  11. /*
  12. * INET4 prototypes used by INET6
  13. */
  14. struct msghdr;
  15. struct net;
  16. struct page;
  17. struct sock;
  18. struct sockaddr;
  19. struct socket;
  20. int inet_release(struct socket *sock);
  21. int inet_stream_connect(struct socket *sock, struct sockaddr *uaddr,
  22. int addr_len, int flags);
  23. int __inet_stream_connect(struct socket *sock, struct sockaddr *uaddr,
  24. int addr_len, int flags, int is_sendmsg);
  25. int inet_dgram_connect(struct socket *sock, struct sockaddr *uaddr,
  26. int addr_len, int flags);
  27. int inet_accept(struct socket *sock, struct socket *newsock, int flags,
  28. bool kern);
  29. int inet_send_prepare(struct sock *sk);
  30. int inet_sendmsg(struct socket *sock, struct msghdr *msg, size_t size);
  31. ssize_t inet_sendpage(struct socket *sock, struct page *page, int offset,
  32. size_t size, int flags);
  33. int inet_recvmsg(struct socket *sock, struct msghdr *msg, size_t size,
  34. int flags);
  35. int inet_shutdown(struct socket *sock, int how);
  36. int inet_listen(struct socket *sock, int backlog);
  37. void inet_sock_destruct(struct sock *sk);
  38. int inet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len);
  39. /* Don't allocate port at this moment, defer to connect. */
  40. #define BIND_FORCE_ADDRESS_NO_PORT (1 << 0)
  41. /* Grab and release socket lock. */
  42. #define BIND_WITH_LOCK (1 << 1)
  43. /* Called from BPF program. */
  44. #define BIND_FROM_BPF (1 << 2)
  45. /* Skip CAP_NET_BIND_SERVICE check. */
  46. #define BIND_NO_CAP_NET_BIND_SERVICE (1 << 3)
  47. int __inet_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len,
  48. u32 flags);
  49. int inet_getname(struct socket *sock, struct sockaddr *uaddr,
  50. int peer);
  51. int inet_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
  52. int inet_ctl_sock_create(struct sock **sk, unsigned short family,
  53. unsigned short type, unsigned char protocol,
  54. struct net *net);
  55. int inet_recv_error(struct sock *sk, struct msghdr *msg, int len,
  56. int *addr_len);
  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. static inline void inet_ctl_sock_destroy(struct sock *sk)
  62. {
  63. if (sk)
  64. sock_release(sk->sk_socket);
  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. #endif