| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | #ifndef _INET_COMMON_H |
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| 3 | #define _INET_COMMON_H |
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| 4 | |
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| 5 | #include <linux/indirect_call_wrapper.h> |
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| 6 | #include <linux/net.h> |
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| 7 | #include <linux/netdev_features.h> |
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| 8 | #include <linux/types.h> |
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| 9 | #include <net/sock.h> |
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| 10 | |
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| 11 | extern const struct proto_ops inet_stream_ops; |
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| 12 | extern const struct proto_ops inet_dgram_ops; |
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| 13 | |
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| 14 | /* |
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| 15 | * INET4 prototypes used by INET6 |
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| 16 | */ |
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| 17 | |
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| 18 | struct msghdr; |
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| 19 | struct net; |
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| 20 | struct page; |
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| 21 | struct sock; |
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| 22 | struct sockaddr; |
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| 23 | struct socket; |
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| 24 | |
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| 25 | int inet_release(struct socket *sock); |
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| 26 | int inet_stream_connect(struct socket *sock, struct sockaddr *uaddr, |
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| 27 | int addr_len, int flags); |
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| 28 | int __inet_stream_connect(struct socket *sock, struct sockaddr *uaddr, |
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| 29 | int addr_len, int flags, int is_sendmsg); |
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| 30 | int inet_dgram_connect(struct socket *sock, struct sockaddr *uaddr, |
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| 31 | int addr_len, int flags); |
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| 32 | int inet_accept(struct socket *sock, struct socket *newsock, int flags, |
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| 33 | bool kern); |
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| 34 | void __inet_accept(struct socket *sock, struct socket *newsock, |
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| 35 | struct sock *newsk); |
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| 36 | int inet_send_prepare(struct sock *sk); |
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| 37 | int inet_sendmsg(struct socket *sock, struct msghdr *msg, size_t size); |
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| 38 | void inet_splice_eof(struct socket *sock); |
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| 39 | int inet_recvmsg(struct socket *sock, struct msghdr *msg, size_t size, |
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| 40 | int flags); |
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| 41 | int inet_shutdown(struct socket *sock, int how); |
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| 42 | int inet_listen(struct socket *sock, int backlog); |
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| 43 | int __inet_listen_sk(struct sock *sk, int backlog); |
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| 44 | void inet_sock_destruct(struct sock *sk); |
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| 45 | int inet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len); |
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| 46 | int inet_bind_sk(struct sock *sk, struct sockaddr *uaddr, int addr_len); |
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| 47 | /* Don't allocate port at this moment, defer to connect. */ |
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| 48 | #define BIND_FORCE_ADDRESS_NO_PORT (1 << 0) |
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| 49 | /* Grab and release socket lock. */ |
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| 50 | #define BIND_WITH_LOCK (1 << 1) |
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| 51 | /* Called from BPF program. */ |
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| 52 | #define BIND_FROM_BPF (1 << 2) |
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| 53 | /* Skip CAP_NET_BIND_SERVICE check. */ |
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| 54 | #define BIND_NO_CAP_NET_BIND_SERVICE (1 << 3) |
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| 55 | int __inet_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len, |
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| 56 | u32 flags); |
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| 57 | int inet_getname(struct socket *sock, struct sockaddr *uaddr, |
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| 58 | int peer); |
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| 59 | int inet_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg); |
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| 60 | int inet_ctl_sock_create(struct sock **sk, unsigned short family, |
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| 61 | unsigned short type, unsigned char protocol, |
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| 62 | struct net *net); |
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| 63 | int inet_recv_error(struct sock *sk, struct msghdr *msg, int len, |
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| 64 | int *addr_len); |
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| 65 | |
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| 66 | struct sk_buff *inet_gro_receive(struct list_head *head, struct sk_buff *skb); |
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| 67 | int inet_gro_complete(struct sk_buff *skb, int nhoff); |
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| 68 | struct sk_buff *inet_gso_segment(struct sk_buff *skb, |
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| 69 | netdev_features_t features); |
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| 70 | |
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| 71 | static inline void inet_ctl_sock_destroy(struct sock *sk) |
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| 72 | { |
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| 73 | if (sk) |
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| 74 | sock_release(sock: sk->sk_socket); |
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| 75 | } |
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| 76 | |
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| 77 | #define indirect_call_gro_receive(f2, f1, cb, head, skb) \ |
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| 78 | ({ \ |
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| 79 | unlikely(gro_recursion_inc_test(skb)) ? \ |
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| 80 | NAPI_GRO_CB(skb)->flush |= 1, NULL : \ |
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| 81 | INDIRECT_CALL_2(cb, f2, f1, head, skb); \ |
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| 82 | }) |
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| 83 | |
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| 84 | #endif |
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| 85 | |
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