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_NET_IP_H_
30 #define _LINUXKPI_NET_IP_H_
31
32 #include "opt_inet.h"
33
34 #include <sys/types.h>
35 #include <sys/socket.h>
36
37 #include <net/if_types.h>
38 #include <net/if.h>
39 #include <net/if_var.h>
40
41 #include <netinet/in.h>
42 #include <netinet/in_pcb.h>
43
44 static inline void
inet_get_local_port_range(struct vnet * vnet,int * low,int * high)45 inet_get_local_port_range(struct vnet *vnet, int *low, int *high)
46 {
47 #ifdef INET
48 CURVNET_SET_QUIET(vnet);
49 *low = V_ipport_firstauto;
50 *high = V_ipport_lastauto;
51 CURVNET_RESTORE();
52 #else
53 *low = IPPORT_EPHEMERALFIRST; /* 10000 */
54 *high = IPPORT_EPHEMERALLAST; /* 65535 */
55 #endif
56 }
57
58 static inline void
ip_eth_mc_map(uint32_t addr,char * buf)59 ip_eth_mc_map(uint32_t addr, char *buf)
60 {
61
62 addr = ntohl(addr);
63
64 buf[0] = 0x01;
65 buf[1] = 0x00;
66 buf[2] = 0x5e;
67 buf[3] = (addr >> 16) & 0x7f;
68 buf[4] = (addr >> 8) & 0xff;
69 buf[5] = (addr & 0xff);
70 }
71
72 static inline void
ip_ib_mc_map(uint32_t addr,const unsigned char * bcast,char * buf)73 ip_ib_mc_map(uint32_t addr, const unsigned char *bcast, char *buf)
74 {
75 unsigned char scope;
76
77 addr = ntohl(addr);
78 scope = bcast[5] & 0xF;
79 buf[0] = 0;
80 buf[1] = 0xff;
81 buf[2] = 0xff;
82 buf[3] = 0xff;
83 buf[4] = 0xff;
84 buf[5] = 0x10 | scope;
85 buf[6] = 0x40;
86 buf[7] = 0x1b;
87 buf[8] = bcast[8];
88 buf[9] = bcast[9];
89 buf[10] = 0;
90 buf[11] = 0;
91 buf[12] = 0;
92 buf[13] = 0;
93 buf[14] = 0;
94 buf[15] = 0;
95 buf[16] = (addr >> 24) & 0xff;
96 buf[17] = (addr >> 16) & 0xff;
97 buf[18] = (addr >> 8) & 0xff;
98 buf[19] = addr & 0xff;
99 }
100
101 #endif /* _LINUXKPI_NET_IP_H_ */
102