src/lib/cmdline_parse_ipaddr.h

   1 /*-
   2  * Copyright (c) <2010>, Intel Corporation
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * - Redistributions of source code must retain the above copyright
  10  *   notice, this list of conditions and the following disclaimer.
  11  *
  12  * - Redistributions in binary form must reproduce the above copyright
  13  *   notice, this list of conditions and the following disclaimer in
  14  *   the documentation and/or other materials provided with the
  15  *   distribution.
  16  *
  17  * - Neither the name of Intel Corporation nor the names of its
  18  *   contributors may be used to endorse or promote products derived
  19  *   from this software without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  24  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  25  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  27  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  28  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  30  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  31  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  32  * OF THE POSSIBILITY OF SUCH DAMAGE.
  33  */
  34
  35 /*
  36  * Copyright (c) 2009, Olivier MATZ <zer0@droids-corp.org>
  37  * All rights reserved.
  38  * Redistribution and use in source and binary forms, with or without
  39  * modification, are permitted provided that the following conditions are met:
  40  *
  41  *     * Redistributions of source code must retain the above copyright
  42  *       notice, this list of conditions and the following disclaimer.
  43  *     * Redistributions in binary form must reproduce the above copyright
  44  *       notice, this list of conditions and the following disclaimer in the
  45  *       documentation and/or other materials provided with the distribution.
  46  *     * Neither the name of the University of California, Berkeley nor the
  47  *       names of its contributors may be used to endorse or promote products
  48  *       derived from this software without specific prior written permission.
  49  *
  50  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
  51  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  52  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  53  * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
  54  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  55  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  56  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  57  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  58  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  59  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  60  */
  61
  62 #ifndef _PARSE_IPADDR_H_
  63 #define _PARSE_IPADDR_H_
  64
  65 #include "cmdline_parse.h"
  66
  67 #define CMDLINE_IPADDR_V4      0x01
  68 #define CMDLINE_IPADDR_V6      0x02
  69 #define CMDLINE_IPADDR_NETWORK 0x04
  70
  71 struct cmdline_ipaddr {
  72         uint8_t family;
  73         union {
  74                 struct in_addr ipv4;
  75                 struct in6_addr ipv6;
  76         } addr;
  77         unsigned int prefixlen; /* in case of network only */
  78 };
  79 typedef struct cmdline_ipaddr cmdline_ipaddr_t;
  80
  81 struct cmdline_token_ipaddr_data {
  82         uint8_t flags;
  83 };
  84
  85 struct cmdline_token_ipaddr {
  86         struct cmdline_token_hdr hdr;
  87         struct cmdline_token_ipaddr_data ipaddr_data;
  88 };
  89 typedef struct cmdline_token_ipaddr cmdline_parse_token_ipaddr_t;
  90
  91 extern struct cmdline_token_ops cmdline_token_ipaddr_ops;
  92
  93 #define TOKEN_IPADDR_INITIALIZER(structure, field)          \
  94 {                                                           \
  95         .hdr = {                                            \
  96                 .ops = &cmdline_token_ipaddr_ops,           \
  97                 .offset = offsetof(structure, field),       \
  98         },                                                  \
  99         .ipaddr_data = {                                    \
 100                 .flags = CMDLINE_IPADDR_V4 |                \
 101                 CMDLINE_IPADDR_V6,                          \
 102         },                                                  \
 103 }
 104
 105 #define TOKEN_IPV4_INITIALIZER(structure, field)            \
 106 {                                                           \
 107         .hdr = {                                            \
 108                 .ops = &cmdline_token_ipaddr_ops,           \
 109                 .offset = offsetof(structure, field),       \
 110         },                                                  \
 111         .ipaddr_data = {                                    \
 112                 .flags = CMDLINE_IPADDR_V4,                 \
 113         },                                                  \
 114 }
 115
 116 #define TOKEN_IPV6_INITIALIZER(structure, field)            \
 117 {                                                           \
 118         .hdr = {                                            \
 119                 .ops = &cmdline_token_ipaddr_ops,           \
 120                 .offset = offsetof(structure, field),       \
 121         },                                                  \
 122         .ipaddr_data = {                                    \
 123                 .flags = CMDLINE_IPADDR_V6,                 \
 124         },                                                  \
 125 }
 126
 127 #define TOKEN_IPNET_INITIALIZER(structure, field)           \
 128 {                                                           \
 129         .hdr = {                                            \
 130                 .ops = &cmdline_token_ipaddr_ops,           \
 131                 .offset = offsetof(structure, field),       \
 132         },                                                  \
 133         .ipaddr_data = {                                    \
 134                 .flags = CMDLINE_IPADDR_V4 |                \
 135                 CMDLINE_IPADDR_V6 |                         \
 136                 CMDLINE_IPADDR_NETWORK,                     \
 137         },                                                  \
 138 }
 139
 140 #define TOKEN_IPV4NET_INITIALIZER(structure, field)         \
 141 {                                                           \
 142         .hdr = {                                            \
 143                 .ops = &cmdline_token_ipaddr_ops,           \
 144                 .offset = offsetof(structure, field),       \
 145         },                                                  \
 146         .ipaddr_data = {                                    \
 147                 .flags = CMDLINE_IPADDR_V4 |                \
 148                 CMDLINE_IPADDR_NETWORK,                     \
 149         },                                                  \
 150 }
 151
 152 #define TOKEN_IPV6NET_INITIALIZER(structure, field)         \
 153 {                                                           \
 154         .hdr = {                                            \
 155                 .ops = &cmdline_token_ipaddr_ops,           \
 156                 .offset = offsetof(structure, field),       \
 157         },                                                  \
 158         .ipaddr_data = {                                    \
 159                 .flags = CMDLINE_IPADDR_V4 |                \
 160                 CMDLINE_IPADDR_NETWORK,                     \
 161         },                                                  \
 162 }
 163
 164 #endif /* _PARSE_IPADDR_H_ */