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 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 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