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
40 static inline int
sock_create_kern(int family,int type,int proto,struct socket ** res)41 sock_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
47 static inline int
sock_getname(struct socket * so,struct sockaddr * addr,int * sockaddr_len,int peer)48 sock_getname(struct socket *so, struct sockaddr *addr, int *sockaddr_len,
49 int peer)
50 {
51 struct sockaddr *nam;
52 int error;
53
54 nam = NULL;
55 if (peer) {
56 if ((so->so_state & (SS_ISCONNECTED|SS_ISCONFIRMING)) == 0)
57 return (-ENOTCONN);
58
59 error = so->so_proto->pr_peeraddr(so, &nam);
60 } else
61 error = so->so_proto->pr_sockaddr(so, &nam);
62 if (error)
63 return (-error);
64 *addr = *nam;
65 *sockaddr_len = addr->sa_len;
66
67 free(nam, M_SONAME);
68 return (0);
69 }
70
71 static inline void
sock_release(struct socket * so)72 sock_release(struct socket *so)
73 {
74 soclose(so);
75 }
76
77
78 int linuxkpi_net_ratelimit(void);
79
80 static inline int
net_ratelimit(void)81 net_ratelimit(void)
82 {
83
84 return (linuxkpi_net_ratelimit());
85 }
86
87 #endif /* _LINUXKPI_LINUX_NET_H_ */
88