xref: /freebsd/sys/compat/linuxkpi/common/include/net/ip.h (revision d6b92ffa)
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
47 inet_get_local_port_range(struct vnet *vnet, int *low, int *high)
48 {
49 #ifdef INET
50 	CURVNET_SET_QUIET(vnet);
51 	*low = V_ipport_firstauto;
52 	*high = V_ipport_lastauto;
53 	CURVNET_RESTORE();
54 #else
55 	*low = IPPORT_EPHEMERALFIRST;     /* 10000 */
56 	*high = IPPORT_EPHEMERALLAST;     /* 65535 */
57 #endif
58 }
59 
60 static inline void
61 ip_ib_mc_map(uint32_t addr, const unsigned char *bcast, char *buf)
62 {
63 	unsigned char scope;
64 
65 	addr = ntohl(addr);
66 	scope = bcast[5] & 0xF;
67 	buf[0] = 0;
68 	buf[1] = 0xff;
69 	buf[2] = 0xff;
70 	buf[3] = 0xff;
71 	buf[4] = 0xff;
72 	buf[5] = 0x10 | scope;
73 	buf[6] = 0x40;
74 	buf[7] = 0x1b;
75 	buf[8] = bcast[8];
76 	buf[9] = bcast[9];
77 	buf[10] = 0;
78 	buf[11] = 0;
79 	buf[12] = 0;
80 	buf[13] = 0;
81 	buf[14] = 0;
82 	buf[15] = 0;
83 	buf[16] = (addr >> 24) & 0xff;
84 	buf[17] = (addr >> 16) & 0xff;
85 	buf[18] = (addr >> 8) & 0xff;
86 	buf[19] = addr & 0xff;
87 }
88 
89 #endif	/* _LINUX_NET_IP_H_ */
90