xref: /freebsd/sys/compat/linuxkpi/common/include/net/ip.h (revision 895f86f15fbf6540071feb9328c3c50ed1f027b8)
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  * $FreeBSD$
30  */
31 #ifndef _LINUX_NET_IP_H_
32 #define	_LINUX_NET_IP_H_
33 
34 #include "opt_inet.h"
35 
36 #include <sys/types.h>
37 #include <sys/socket.h>
38 
39 #include <net/if_types.h>
40 #include <net/if.h>
41 #include <net/if_var.h>
42 
43 #include <netinet/in.h>
44 #include <netinet/in_pcb.h>
45 
46 static inline void inet_get_local_port_range(int *low, int *high)
47 {
48 #ifdef INET
49 	CURVNET_SET_QUIET(TD_TO_VNET(curthread));
50 	*low = V_ipport_firstauto;
51 	*high = V_ipport_lastauto;
52 	CURVNET_RESTORE();
53 #else
54 	*low = IPPORT_EPHEMERALFIRST;     /* 10000 */
55 	*high = IPPORT_EPHEMERALLAST;     /* 65535 */
56 #endif
57 }
58 
59 static inline void
60 ip_ib_mc_map(uint32_t addr, const unsigned char *bcast, char *buf)
61 {
62 	unsigned char scope;
63 
64 	addr = ntohl(addr);
65 	scope = bcast[5] & 0xF;
66 	buf[0] = 0;
67 	buf[1] = 0xff;
68 	buf[2] = 0xff;
69 	buf[3] = 0xff;
70 	buf[4] = 0xff;
71 	buf[5] = 0x10 | scope;
72 	buf[6] = 0x40;
73 	buf[7] = 0x1b;
74 	buf[8] = bcast[8];
75 	buf[9] = bcast[9];
76 	buf[10] = 0;
77 	buf[11] = 0;
78 	buf[12] = 0;
79 	buf[13] = 0;
80 	buf[14] = 0;
81 	buf[15] = 0;
82 	buf[16] = (addr >> 24) & 0xff;
83 	buf[17] = (addr >> 16) & 0xff;
84 	buf[18] = (addr >> 8) & 0xff;
85 	buf[19] = addr & 0xff;
86 }
87 
88 #endif	/* _LINUX_NET_IP_H_ */
89