JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 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 | u_int8_t sub_etc; /* subtype upper 4 bits, other stuff lower 4 bits */ |
| 49 | }; |
| 50 | |
| 51 | #define MPTCP_OPT_SUBTYPE(sub_etc) (((sub_etc) >> 4) & 0xF) |
| 52 | |
| 53 | struct mp_capable { |
| 54 | u_int8_t kind; |
| 55 | u_int8_t len; |
| 56 | u_int8_t sub_ver; |
| 57 | u_int8_t flags; |
| 58 | u_int8_t sender_key[8]; |
| 59 | u_int8_t receiver_key[8]; |
| 60 | }; |
| 61 | |
| 62 | #define MP_CAPABLE_OPT_VERSION(sub_ver) (((sub_ver) >> 0) & 0xF) |
| 63 | #define MP_CAPABLE_C 0x80 |
| 64 | #define MP_CAPABLE_S 0x01 |
| 65 | |
| 66 | struct mp_join { |
| 67 | u_int8_t kind; |
| 68 | u_int8_t len; |
| 69 | u_int8_t sub_b; |
| 70 | u_int8_t addr_id; |
| 71 | union { |
| 72 | struct { |
| 73 | u_int8_t token[4]; |
| 74 | u_int8_t nonce[4]; |
| 75 | } syn; |
| 76 | struct { |
| 77 | u_int8_t mac[8]; |
| 78 | u_int8_t nonce[4]; |
| 79 | } synack; |
| 80 | struct { |
| 81 | u_int8_t mac[20]; |
| 82 | } ack; |
| 83 | } u; |
| 84 | }; |
| 85 | |
| 86 | #define MP_JOIN_B 0x01 |
| 87 | |
| 88 | struct mp_dss { |
| 89 | u_int8_t kind; |
| 90 | u_int8_t len; |
| 91 | u_int8_t sub; |
| 92 | u_int8_t flags; |
| 93 | }; |
| 94 | |
| 95 | #define MP_DSS_F 0x10 |
| 96 | #define MP_DSS_m 0x08 |
| 97 | #define MP_DSS_M 0x04 |
| 98 | #define MP_DSS_a 0x02 |
| 99 | #define MP_DSS_A 0x01 |
| 100 | |
| 101 | struct mp_add_addr { |
| 102 | u_int8_t kind; |
| 103 | u_int8_t len; |
| 104 | u_int8_t sub_ipver; |
| 105 | u_int8_t addr_id; |
| 106 | union { |
| 107 | struct { |
| 108 | u_int8_t addr[4]; |
| 109 | u_int8_t port[2]; |
| 110 | } v4; |
| 111 | struct { |
| 112 | u_int8_t addr[16]; |
| 113 | u_int8_t port[2]; |
| 114 | } v6; |
| 115 | } u; |
| 116 | }; |
| 117 | |
| 118 | #define MP_ADD_ADDR_IPVER(sub_ipver) (((sub_ipver) >> 0) & 0xF) |
| 119 | |
| 120 | struct mp_remove_addr { |
| 121 | u_int8_t kind; |
| 122 | u_int8_t len; |
| 123 | u_int8_t sub; |
| 124 | /* list of addr_id */ |
| 125 | u_int8_t addrs_id; |
| 126 | }; |
| 127 | |
| 128 | struct mp_fail { |
| 129 | u_int8_t kind; |
| 130 | u_int8_t len; |
| 131 | u_int8_t sub; |
| 132 | u_int8_t resv; |
| 133 | u_int8_t data_seq[8]; |
| 134 | }; |
| 135 | |
| 136 | struct mp_close { |
| 137 | u_int8_t kind; |
| 138 | u_int8_t len; |
| 139 | u_int8_t sub; |
| 140 | u_int8_t rsv; |
| 141 | u_int8_t key[8]; |
| 142 | }; |
| 143 | |
| 144 | struct mp_prio { |
| 145 | u_int8_t kind; |
| 146 | u_int8_t len; |
| 147 | u_int8_t sub_b; |
| 148 | u_int8_t addr_id; |
| 149 | }; |
| 150 | |
| 151 | #define MP_PRIO_B 0x01 |