1 /** 2 * Copyright (c) 2012 3 * 4 * Gregory Detal <gregory.detal (at) uclouvain.be> 5 * Christoph Paasch <christoph.paasch (at) 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 152
