ip.h revision 277137 
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
30#ifndef _LINUX_NET_IP_H_
31#define	_LINUX_NET_IP_H_
32
33#include "opt_inet.h"
34
35#include <sys/types.h>
36#include <sys/socket.h>
37
38#include <net/if_types.h>
39#include <net/if.h>
40#include <net/if_var.h>
41
42#include <netinet/in.h>
43#include <netinet/in_pcb.h>
44
45#ifdef INET
46static inline void inet_get_local_port_range(int *low, int *high)
47{
48	CURVNET_SET_QUIET(TD_TO_VNET(curthread));
49	*low = V_ipport_firstauto;
50	*high = V_ipport_lastauto;
51	CURVNET_RESTORE();
52}
53
54static inline void
55ip_ib_mc_map(uint32_t addr, const unsigned char *bcast, char *buf)
56{
57	unsigned char scope;
58
59	addr = ntohl(addr);
60	scope = bcast[5] & 0xF;
61	buf[0] = 0;
62	buf[1] = 0xff;
63	buf[2] = 0xff;
64	buf[3] = 0xff;
65	buf[4] = 0xff;
66	buf[5] = 0x10 | scope;
67	buf[6] = 0x40;
68	buf[7] = 0x1b;
69	buf[8] = bcast[8];
70	buf[9] = bcast[9];
71	buf[10] = 0;
72	buf[11] = 0;
73	buf[12] = 0;
74	buf[13] = 0;
75	buf[14] = 0;
76	buf[15] = 0;
77	buf[16] = (addr >> 24) & 0xff;
78	buf[17] = (addr >> 16) & 0xff;
79	buf[18] = (addr >> 8) & 0xff;
80	buf[19] = addr & 0xff;
81}
82#endif
83
84#endif	/* _LINUX_NET_IP_H_ */
85