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| 1 | +/** |
| 2 | + * Copyright (c) 2012 |
| 3 | + * |
| 4 | + * Gregory Detal <gregory.detal@uclouvain.be> |
| 5 | + * Christoph Paasch <christoph.paasch@uclouvain.be> |
| 6 | + * |
| 7 | + * Redistribution and use in source and binary forms, with or without |
| 8 | + * modification, are permitted provided that the following conditions |
| 9 | + * are met: |
| 10 | + * |
| 11 | + * 1. Redistributions of source code must retain the above copyright |
| 12 | + * notice, this list of conditions and the following disclaimer. |
| 13 | + * |
| 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 | + * 3. Neither the name of the University nor of the Laboratory may be used |
| 19 | + * to endorse or promote products derived from this software without |
| 20 | + * specific prior written permission. |
| 21 | + * |
| 22 | + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 23 | + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 24 | + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 25 | + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 26 | + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 27 | + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 28 | + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 29 | + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 30 | + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 31 | + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 32 | + * SUCH DAMAGE. |
| 33 | + */ |
| 34 | + |
| 35 | +#define MPTCP_SUB_CAPABLE 0x0 |
| 36 | +#define MPTCP_SUB_JOIN 0x1 |
| 37 | +#define MPTCP_SUB_DSS 0x2 |
| 38 | +#define MPTCP_SUB_ADD_ADDR 0x3 |
| 39 | +#define MPTCP_SUB_REMOVE_ADDR 0x4 |
| 40 | +#define MPTCP_SUB_PRIO 0x5 |
| 41 | +#define MPTCP_SUB_FAIL 0x6 |
| 42 | +#define MPTCP_SUB_FCLOSE 0x7 |
| 43 | + |
| 44 | + |
| 45 | +struct mptcp_option { |
| 46 | + u_int8_t kind; |
| 47 | + u_int8_t len; |
| 48 | +#if !LBL_ALIGN |
| 49 | + u_int8_t ver:4, |
| 50 | + sub:4; |
| 51 | +#else |
| 52 | + u_int8_t sub:4, |
| 53 | + ver:4; |
| 54 | +#endif |
| 55 | +}; |
| 56 | + |
| 57 | +struct mp_capable { |
| 58 | + u_int8_t kind; |
| 59 | + u_int8_t len; |
| 60 | +#if !LBL_ALIGN |
| 61 | + u_int8_t ver:4, |
| 62 | + sub:4; |
| 63 | + u_int8_t s:1, |
| 64 | + rsv:6, |
| 65 | + c:1; |
| 66 | +#else |
| 67 | + u_int8_t sub:4, |
| 68 | + ver:4; |
| 69 | + u_int8_t c:1, |
| 70 | + rsv:6, |
| 71 | + s:1; |
| 72 | +#endif |
| 73 | + u_int64_t sender_key; |
| 74 | + u_int64_t receiver_key; |
| 75 | +} __attribute__((__packed__)); |
| 76 | + |
| 77 | +struct mp_join { |
| 78 | + u_int8_t kind; |
| 79 | + u_int8_t len; |
| 80 | +#if !LBL_ALIGN |
| 81 | + u_int8_t b:1, |
| 82 | + rsv:3, |
| 83 | + sub:4; |
| 84 | +#else |
| 85 | + u_int8_t sub:4, |
| 86 | + rsv:3, |
| 87 | + b:1; |
| 88 | +#endif |
| 89 | + u_int8_t addr_id; |
| 90 | + union { |
| 91 | + struct { |
| 92 | + u_int32_t token; |
| 93 | + u_int32_t nonce; |
| 94 | + } syn; |
| 95 | + struct { |
| 96 | + u_int64_t mac; |
| 97 | + u_int32_t nonce; |
| 98 | + } synack; |
| 99 | + struct { |
| 100 | + u_int8_t mac[20]; |
| 101 | + } ack; |
| 102 | + } u; |
| 103 | +} __attribute__((__packed__)); |
| 104 | + |
| 105 | +struct mp_dss { |
| 106 | + u_int8_t kind; |
| 107 | + u_int8_t len; |
| 108 | +#if !LBL_ALIGN |
| 109 | + u_int16_t rsv1:4, |
| 110 | + sub:4, |
| 111 | + A:1, |
| 112 | + a:1, |
| 113 | + M:1, |
| 114 | + m:1, |
| 115 | + F:1, |
| 116 | + rsv2:3; |
| 117 | +#else |
| 118 | + u_int16_t sub:4, |
| 119 | + rsv1:4, |
| 120 | + rsv2:3, |
| 121 | + F:1, |
| 122 | + m:1, |
| 123 | + M:1, |
| 124 | + a:1, |
| 125 | + A:1; |
| 126 | +#endif |
| 127 | +}; |
| 128 | + |
| 129 | +struct mp_add_addr { |
| 130 | + u_int8_t kind; |
| 131 | + u_int8_t len; |
| 132 | +#if !LBL_ALIGN |
| 133 | + u_int8_t ipver:4, |
| 134 | + sub:4; |
| 135 | +#else |
| 136 | + u_int8_t sub:4, |
| 137 | + ipver:4; |
| 138 | +#endif |
| 139 | + u_int8_t addr_id; |
| 140 | + union { |
| 141 | + struct { |
| 142 | + struct in_addr addr; |
| 143 | + u_int16_t port; |
| 144 | + } v4; |
| 145 | + struct { |
| 146 | + struct in6_addr addr; |
| 147 | + u_int16_t port; |
| 148 | + } v6; |
| 149 | + } u; |
| 150 | +} __attribute__((__packed__)); |
| 151 | + |
| 152 | +struct mp_remove_addr { |
| 153 | + u_int8_t kind; |
| 154 | + u_int8_t len; |
| 155 | +#if !LBL_ALIGN |
| 156 | + u_int8_t rsv:4, |
| 157 | + sub:4; |
| 158 | +#else |
| 159 | + u_int8_t sub:4, |
| 160 | + rsv:4; |
| 161 | +#endif |
| 162 | + /* list of addr_id */ |
| 163 | + u_int8_t addrs_id; |
| 164 | +}; |
| 165 | + |
| 166 | +struct mp_fail { |
| 167 | + u_int8_t kind; |
| 168 | + u_int8_t len; |
| 169 | +#if !LBL_ALIGN |
| 170 | + u_int16_t rsv1:4, |
| 171 | + sub:4, |
| 172 | + rsv2:8; |
| 173 | +#else |
| 174 | + u_int16_t sub:4, |
| 175 | + rsv1:4, |
| 176 | + rsv2:8; |
| 177 | +#endif |
| 178 | + u_int64_t data_seq; |
| 179 | +} __attribute__((__packed__)); |
| 180 | + |
| 181 | +struct mp_fclose { |
| 182 | + u_int8_t kind; |
| 183 | + u_int8_t len; |
| 184 | +#if !LBL_ALIGN |
| 185 | + u_int16_t rsv1:4, |
| 186 | + sub:4, |
| 187 | + rsv2:8; |
| 188 | +#else |
| 189 | + u_int16_t sub:4, |
| 190 | + rsv1:4, |
| 191 | + rsv2:8; |
| 192 | +#endif |
| 193 | + u_int64_t key; |
| 194 | +} __attribute__((__packed__)); |
| 195 | + |
| 196 | +struct mp_prio { |
| 197 | + u_int8_t kind; |
| 198 | + u_int8_t len; |
| 199 | +#if !LBL_ALIGN |
| 200 | + u_int8_t b:1, |
| 201 | + rsv:3, |
| 202 | + sub:4; |
| 203 | +#else |
| 204 | + u_int8_t sub:4, |
| 205 | + rsv:3, |
| 206 | + b:1; |
| 207 | +#endif |
| 208 | + u_int8_t addr_id; |
| 209 | +} __attribute__((__packed__)); |
| 210 | + |
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