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__FBSDID("$FreeBSD$");
38
39#include "iwpm_util.h"
40
41#define IWPM_MAPINFO_HASH_SIZE	512
42#define IWPM_MAPINFO_HASH_MASK	(IWPM_MAPINFO_HASH_SIZE - 1)
43#define IWPM_REMINFO_HASH_SIZE	64
44#define IWPM_REMINFO_HASH_MASK	(IWPM_REMINFO_HASH_SIZE - 1)
45#define IWPM_MSG_SIZE		512
46
47int iwpm_compare_sockaddr(struct sockaddr_storage *a_sockaddr,
48				struct sockaddr_storage *b_sockaddr)
49{
50	if (a_sockaddr->ss_family != b_sockaddr->ss_family)
51		return 1;
52	if (a_sockaddr->ss_family == AF_INET) {
53		struct sockaddr_in *a4_sockaddr =
54			(struct sockaddr_in *)a_sockaddr;
55		struct sockaddr_in *b4_sockaddr =
56			(struct sockaddr_in *)b_sockaddr;
57		if (!memcmp(&a4_sockaddr->sin_addr,
58			&b4_sockaddr->sin_addr, sizeof(struct in_addr))
59			&& a4_sockaddr->sin_port == b4_sockaddr->sin_port)
60				return 0;
61
62	} else if (a_sockaddr->ss_family == AF_INET6) {
63		struct sockaddr_in6 *a6_sockaddr =
64			(struct sockaddr_in6 *)a_sockaddr;
65		struct sockaddr_in6 *b6_sockaddr =
66			(struct sockaddr_in6 *)b_sockaddr;
67		if (!memcmp(&a6_sockaddr->sin6_addr,
68			&b6_sockaddr->sin6_addr, sizeof(struct in6_addr))
69			&& a6_sockaddr->sin6_port == b6_sockaddr->sin6_port)
70				return 0;
71
72	} else {
73		pr_err("%s: Invalid sockaddr family\n", __func__);
74	}
75	return 1;
76}
77
78void iwpm_print_sockaddr(struct sockaddr_storage *sockaddr, char *msg)
79{
80	struct sockaddr_in6 *sockaddr_v6;
81	struct sockaddr_in *sockaddr_v4;
82
83	switch (sockaddr->ss_family) {
84	case AF_INET:
85		sockaddr_v4 = (struct sockaddr_in *)sockaddr;
86		pr_debug("%s IPV4 %pI4: %u(0x%04X)\n",
87			msg, &sockaddr_v4->sin_addr,
88			ntohs(sockaddr_v4->sin_port),
89			ntohs(sockaddr_v4->sin_port));
90		break;
91	case AF_INET6:
92		sockaddr_v6 = (struct sockaddr_in6 *)sockaddr;
93		pr_debug("%s IPV6 %pI6: %u(0x%04X)\n",
94			msg, &sockaddr_v6->sin6_addr,
95			ntohs(sockaddr_v6->sin6_port),
96			ntohs(sockaddr_v6->sin6_port));
97		break;
98	default:
99		break;
100	}
101}
102
103