1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0
3 *
4 * Copyright (c) 2014 Chelsio, Inc. All rights reserved.
5 * Copyright (c) 2014 Intel Corporation. All rights reserved.
6 *
7 * This software is available to you under a choice of one of two
8 * licenses. You may choose to be licensed under the terms of the GNU
9 * General Public License (GPL) Version 2, available from the file
10 * COPYING in the main directory of this source tree, or the
11 * OpenIB.org BSD license below:
12 *
13 * Redistribution and use in source and binary forms, with or
14 * without modification, are permitted provided that the following
15 * conditions are met:
16 *
17 * - Redistributions of source code must retain the above
18 * copyright notice, this list of conditions and the following
19 * disclaimer.
20 *
21 * - Redistributions in binary form must reproduce the above
22 * copyright notice, this list of conditions and the following
23 * disclaimer in the documentation and/or other materials
24 * provided with the distribution.
25 *
26 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
27 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
28 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
29 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
30 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
31 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
32 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
33 * SOFTWARE.
34 */
35
36 #include <sys/cdefs.h>
37 #include "iwpm_util.h"
38
39 #define IWPM_MAPINFO_HASH_SIZE 512
40 #define IWPM_MAPINFO_HASH_MASK (IWPM_MAPINFO_HASH_SIZE - 1)
41 #define IWPM_REMINFO_HASH_SIZE 64
42 #define IWPM_REMINFO_HASH_MASK (IWPM_REMINFO_HASH_SIZE - 1)
43 #define IWPM_MSG_SIZE 512
44
iwpm_compare_sockaddr(struct sockaddr_storage * a_sockaddr,struct sockaddr_storage * b_sockaddr)45 int iwpm_compare_sockaddr(struct sockaddr_storage *a_sockaddr,
46 struct sockaddr_storage *b_sockaddr)
47 {
48 if (a_sockaddr->ss_family != b_sockaddr->ss_family)
49 return 1;
50 if (a_sockaddr->ss_family == AF_INET) {
51 struct sockaddr_in *a4_sockaddr =
52 (struct sockaddr_in *)a_sockaddr;
53 struct sockaddr_in *b4_sockaddr =
54 (struct sockaddr_in *)b_sockaddr;
55 if (!memcmp(&a4_sockaddr->sin_addr,
56 &b4_sockaddr->sin_addr, sizeof(struct in_addr))
57 && a4_sockaddr->sin_port == b4_sockaddr->sin_port)
58 return 0;
59
60 } else if (a_sockaddr->ss_family == AF_INET6) {
61 struct sockaddr_in6 *a6_sockaddr =
62 (struct sockaddr_in6 *)a_sockaddr;
63 struct sockaddr_in6 *b6_sockaddr =
64 (struct sockaddr_in6 *)b_sockaddr;
65 if (!memcmp(&a6_sockaddr->sin6_addr,
66 &b6_sockaddr->sin6_addr, sizeof(struct in6_addr))
67 && a6_sockaddr->sin6_port == b6_sockaddr->sin6_port)
68 return 0;
69
70 } else {
71 pr_err("%s: Invalid sockaddr family\n", __func__);
72 }
73 return 1;
74 }
75
iwpm_print_sockaddr(struct sockaddr_storage * sockaddr,char * msg)76 void iwpm_print_sockaddr(struct sockaddr_storage *sockaddr, char *msg)
77 {
78 struct sockaddr_in6 *sockaddr_v6;
79 struct sockaddr_in *sockaddr_v4;
80
81 switch (sockaddr->ss_family) {
82 case AF_INET:
83 sockaddr_v4 = (struct sockaddr_in *)sockaddr;
84 pr_debug("%s IPV4 %pI4: %u(0x%04X)\n",
85 msg, &sockaddr_v4->sin_addr,
86 ntohs(sockaddr_v4->sin_port),
87 ntohs(sockaddr_v4->sin_port));
88 break;
89 case AF_INET6:
90 sockaddr_v6 = (struct sockaddr_in6 *)sockaddr;
91 pr_debug("%s IPV6 %pI6: %u(0x%04X)\n",
92 msg, &sockaddr_v6->sin6_addr,
93 ntohs(sockaddr_v6->sin6_port),
94 ntohs(sockaddr_v6->sin6_port));
95 break;
96 default:
97 break;
98 }
99 }
100
101