1/*-
2 * Copyright (c) 2010 Isilon Systems, Inc.
3 * Copyright (c) 2010 iX Systems, Inc.
4 * Copyright (c) 2010 Panasas, Inc.
5 * Copyright (c) 2013, 2014 Mellanox Technologies, Ltd.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice unmodified, this list of conditions, and the following
13 *    disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29#ifndef	_LINUXKPI_LINUX_NET_H_
30#define	_LINUXKPI_LINUX_NET_H_
31
32#include <sys/types.h>
33#include <sys/malloc.h>
34#include <sys/proc.h>
35#include <sys/protosw.h>
36#include <sys/socket.h>
37#include <sys/socketvar.h>
38#include <sys/errno.h>
39
40static inline int
41sock_create_kern(int family, int type, int proto, struct socket **res)
42{
43	return -socreate(family, res, type, proto, curthread->td_ucred,
44	    curthread);
45}
46
47static inline int
48sock_getname(struct socket *so, struct sockaddr *sa, int *sockaddr_len,
49    int peer)
50{
51	int error;
52
53	/*
54	 * XXXGL: we can't use sopeeraddr()/sosockaddr() here since with
55	 * INVARIANTS they would check if supplied sockaddr has enough
56	 * length.  Such notion doesn't even exist in Linux KPI.
57	 */
58	if (peer) {
59		if ((so->so_state & SS_ISCONNECTED) == 0)
60			return (-ENOTCONN);
61
62		error = so->so_proto->pr_peeraddr(so, sa);
63	} else
64		error = so->so_proto->pr_sockaddr(so, sa);
65	if (error)
66		return (-error);
67	*sockaddr_len = sa->sa_len;
68
69	return (0);
70}
71
72static inline void
73sock_release(struct socket *so)
74{
75	soclose(so);
76}
77
78
79int linuxkpi_net_ratelimit(void);
80
81static inline int
82net_ratelimit(void)
83{
84
85	return (linuxkpi_net_ratelimit());
86}
87
88#endif	/* _LINUXKPI_LINUX_NET_H_ */
89