linux/include/net/inet_common.h
Paolo Abeni e473093639 inet: factor out inet_send_prepare()
The same code is replicated verbatim in multiple places, and the next
patches will introduce an additional user for it. Factor out a
helper and use it where appropriate. No functional change intended.

Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-03 13:51:54 -07:00

68 lines
2.3 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _INET_COMMON_H
#define _INET_COMMON_H
#include <linux/indirect_call_wrapper.h>
extern const struct proto_ops inet_stream_ops;
extern const struct proto_ops inet_dgram_ops;
/*
* INET4 prototypes used by INET6
*/
struct msghdr;
struct sock;
struct sockaddr;
struct socket;
int inet_release(struct socket *sock);
int inet_stream_connect(struct socket *sock, struct sockaddr *uaddr,
int addr_len, int flags);
int __inet_stream_connect(struct socket *sock, struct sockaddr *uaddr,
int addr_len, int flags, int is_sendmsg);
int inet_dgram_connect(struct socket *sock, struct sockaddr *uaddr,
int addr_len, int flags);
int inet_accept(struct socket *sock, struct socket *newsock, int flags,
bool kern);
int inet_send_prepare(struct sock *sk);
int inet_sendmsg(struct socket *sock, struct msghdr *msg, size_t size);
ssize_t inet_sendpage(struct socket *sock, struct page *page, int offset,
size_t size, int flags);
int inet_recvmsg(struct socket *sock, struct msghdr *msg, size_t size,
int flags);
int inet_shutdown(struct socket *sock, int how);
int inet_listen(struct socket *sock, int backlog);
void inet_sock_destruct(struct sock *sk);
int inet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len);
int __inet_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len,
bool force_bind_address_no_port, bool with_lock);
int inet_getname(struct socket *sock, struct sockaddr *uaddr,
int peer);
int inet_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
int inet_ctl_sock_create(struct sock **sk, unsigned short family,
unsigned short type, unsigned char protocol,
struct net *net);
int inet_recv_error(struct sock *sk, struct msghdr *msg, int len,
int *addr_len);
struct sk_buff *inet_gro_receive(struct list_head *head, struct sk_buff *skb);
int inet_gro_complete(struct sk_buff *skb, int nhoff);
struct sk_buff *inet_gso_segment(struct sk_buff *skb,
netdev_features_t features);
static inline void inet_ctl_sock_destroy(struct sock *sk)
{
if (sk)
sock_release(sk->sk_socket);
}
#define indirect_call_gro_receive(f2, f1, cb, head, skb) \
({ \
unlikely(gro_recursion_inc_test(skb)) ? \
NAPI_GRO_CB(skb)->flush |= 1, NULL : \
INDIRECT_CALL_2(cb, f2, f1, head, skb); \
})
#endif