1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef _UAPI_LINUX_BATADV_PACKET_H_ 20 #define _UAPI_LINUX_BATADV_PACKET_H_ 21 #include <asm/byteorder.h> 22 #include <linux/if_ether.h> 23 #include <linux/types.h> 24 #define batadv_tp_is_error(n) ((__u8) (n) > 127 ? 1 : 0) 25 enum batadv_packettype { 26 BATADV_IV_OGM = 0x00, 27 BATADV_BCAST = 0x01, 28 BATADV_CODED = 0x02, 29 BATADV_ELP = 0x03, 30 BATADV_OGM2 = 0x04, 31 #define BATADV_UNICAST_MIN 0x40 32 BATADV_UNICAST = 0x40, 33 BATADV_UNICAST_FRAG = 0x41, 34 BATADV_UNICAST_4ADDR = 0x42, 35 BATADV_ICMP = 0x43, 36 BATADV_UNICAST_TVLV = 0x44, 37 #define BATADV_UNICAST_MAX 0x7f 38 }; 39 enum batadv_subtype { 40 BATADV_P_DATA = 0x01, 41 BATADV_P_DAT_DHT_GET = 0x02, 42 BATADV_P_DAT_DHT_PUT = 0x03, 43 BATADV_P_DAT_CACHE_REPLY = 0x04, 44 }; 45 #define BATADV_COMPAT_VERSION 15 46 enum batadv_iv_flags { 47 BATADV_NOT_BEST_NEXT_HOP = 1UL << 0, 48 BATADV_PRIMARIES_FIRST_HOP = 1UL << 1, 49 BATADV_DIRECTLINK = 1UL << 2, 50 }; 51 enum batadv_icmp_packettype { 52 BATADV_ECHO_REPLY = 0, 53 BATADV_DESTINATION_UNREACHABLE = 3, 54 BATADV_ECHO_REQUEST = 8, 55 BATADV_TTL_EXCEEDED = 11, 56 BATADV_PARAMETER_PROBLEM = 12, 57 BATADV_TP = 15, 58 }; 59 enum batadv_mcast_flags { 60 BATADV_MCAST_WANT_ALL_UNSNOOPABLES = 1UL << 0, 61 BATADV_MCAST_WANT_ALL_IPV4 = 1UL << 1, 62 BATADV_MCAST_WANT_ALL_IPV6 = 1UL << 2, 63 }; 64 #define BATADV_TT_DATA_TYPE_MASK 0x0F 65 enum batadv_tt_data_flags { 66 BATADV_TT_OGM_DIFF = 1UL << 0, 67 BATADV_TT_REQUEST = 1UL << 1, 68 BATADV_TT_RESPONSE = 1UL << 2, 69 BATADV_TT_FULL_TABLE = 1UL << 4, 70 }; 71 enum batadv_vlan_flags { 72 BATADV_VLAN_HAS_TAG = 1UL << 15, 73 }; 74 enum batadv_bla_claimframe { 75 BATADV_CLAIM_TYPE_CLAIM = 0x00, 76 BATADV_CLAIM_TYPE_UNCLAIM = 0x01, 77 BATADV_CLAIM_TYPE_ANNOUNCE = 0x02, 78 BATADV_CLAIM_TYPE_REQUEST = 0x03, 79 BATADV_CLAIM_TYPE_LOOPDETECT = 0x04, 80 }; 81 enum batadv_tvlv_type { 82 BATADV_TVLV_GW = 0x01, 83 BATADV_TVLV_DAT = 0x02, 84 BATADV_TVLV_NC = 0x03, 85 BATADV_TVLV_TT = 0x04, 86 BATADV_TVLV_ROAM = 0x05, 87 BATADV_TVLV_MCAST = 0x06, 88 }; 89 #pragma pack(2) 90 struct batadv_bla_claim_dst { 91 __u8 magic[3]; 92 __u8 type; 93 __be16 group; 94 }; 95 struct batadv_ogm_packet { 96 __u8 packet_type; 97 __u8 version; 98 __u8 ttl; 99 __u8 flags; 100 __be32 seqno; 101 __u8 orig[ETH_ALEN]; 102 __u8 prev_sender[ETH_ALEN]; 103 __u8 reserved; 104 __u8 tq; 105 __be16 tvlv_len; 106 }; 107 #define BATADV_OGM_HLEN sizeof(struct batadv_ogm_packet) 108 struct batadv_ogm2_packet { 109 __u8 packet_type; 110 __u8 version; 111 __u8 ttl; 112 __u8 flags; 113 __be32 seqno; 114 __u8 orig[ETH_ALEN]; 115 __be16 tvlv_len; 116 __be32 throughput; 117 }; 118 #define BATADV_OGM2_HLEN sizeof(struct batadv_ogm2_packet) 119 struct batadv_elp_packet { 120 __u8 packet_type; 121 __u8 version; 122 __u8 orig[ETH_ALEN]; 123 __be32 seqno; 124 __be32 elp_interval; 125 }; 126 #define BATADV_ELP_HLEN sizeof(struct batadv_elp_packet) 127 struct batadv_icmp_header { 128 __u8 packet_type; 129 __u8 version; 130 __u8 ttl; 131 __u8 msg_type; 132 __u8 dst[ETH_ALEN]; 133 __u8 orig[ETH_ALEN]; 134 __u8 uid; 135 __u8 align[3]; 136 }; 137 struct batadv_icmp_packet { 138 __u8 packet_type; 139 __u8 version; 140 __u8 ttl; 141 __u8 msg_type; 142 __u8 dst[ETH_ALEN]; 143 __u8 orig[ETH_ALEN]; 144 __u8 uid; 145 __u8 reserved; 146 __be16 seqno; 147 }; 148 struct batadv_icmp_tp_packet { 149 __u8 packet_type; 150 __u8 version; 151 __u8 ttl; 152 __u8 msg_type; 153 __u8 dst[ETH_ALEN]; 154 __u8 orig[ETH_ALEN]; 155 __u8 uid; 156 __u8 subtype; 157 __u8 session[2]; 158 __be32 seqno; 159 __be32 timestamp; 160 }; 161 enum batadv_icmp_tp_subtype { 162 BATADV_TP_MSG = 0, 163 BATADV_TP_ACK, 164 }; 165 #define BATADV_RR_LEN 16 166 struct batadv_icmp_packet_rr { 167 __u8 packet_type; 168 __u8 version; 169 __u8 ttl; 170 __u8 msg_type; 171 __u8 dst[ETH_ALEN]; 172 __u8 orig[ETH_ALEN]; 173 __u8 uid; 174 __u8 rr_cur; 175 __be16 seqno; 176 __u8 rr[BATADV_RR_LEN][ETH_ALEN]; 177 }; 178 #define BATADV_ICMP_MAX_PACKET_SIZE sizeof(struct batadv_icmp_packet_rr) 179 struct batadv_unicast_packet { 180 __u8 packet_type; 181 __u8 version; 182 __u8 ttl; 183 __u8 ttvn; 184 __u8 dest[ETH_ALEN]; 185 }; 186 struct batadv_unicast_4addr_packet { 187 struct batadv_unicast_packet u; 188 __u8 src[ETH_ALEN]; 189 __u8 subtype; 190 __u8 reserved; 191 }; 192 struct batadv_frag_packet { 193 __u8 packet_type; 194 __u8 version; 195 __u8 ttl; 196 #ifdef __BIG_ENDIAN_BITFIELD 197 __u8 no : 4; 198 __u8 priority : 3; 199 __u8 reserved : 1; 200 #elif defined(__LITTLE_ENDIAN_BITFIELD) 201 __u8 reserved : 1; 202 __u8 priority : 3; 203 __u8 no : 4; 204 #else 205 #error "unknown bitfield endianness" 206 #endif 207 __u8 dest[ETH_ALEN]; 208 __u8 orig[ETH_ALEN]; 209 __be16 seqno; 210 __be16 total_size; 211 }; 212 struct batadv_bcast_packet { 213 __u8 packet_type; 214 __u8 version; 215 __u8 ttl; 216 __u8 reserved; 217 __be32 seqno; 218 __u8 orig[ETH_ALEN]; 219 }; 220 struct batadv_coded_packet { 221 __u8 packet_type; 222 __u8 version; 223 __u8 ttl; 224 __u8 first_ttvn; 225 __u8 first_source[ETH_ALEN]; 226 __u8 first_orig_dest[ETH_ALEN]; 227 __be32 first_crc; 228 __u8 second_ttl; 229 __u8 second_ttvn; 230 __u8 second_dest[ETH_ALEN]; 231 __u8 second_source[ETH_ALEN]; 232 __u8 second_orig_dest[ETH_ALEN]; 233 __be32 second_crc; 234 __be16 coded_len; 235 }; 236 struct batadv_unicast_tvlv_packet { 237 __u8 packet_type; 238 __u8 version; 239 __u8 ttl; 240 __u8 reserved; 241 __u8 dst[ETH_ALEN]; 242 __u8 src[ETH_ALEN]; 243 __be16 tvlv_len; 244 __u16 align; 245 }; 246 struct batadv_tvlv_hdr { 247 __u8 type; 248 __u8 version; 249 __be16 len; 250 }; 251 struct batadv_tvlv_gateway_data { 252 __be32 bandwidth_down; 253 __be32 bandwidth_up; 254 }; 255 struct batadv_tvlv_tt_data { 256 __u8 flags; 257 __u8 ttvn; 258 __be16 num_vlan; 259 }; 260 struct batadv_tvlv_tt_vlan_data { 261 __be32 crc; 262 __be16 vid; 263 __u16 reserved; 264 }; 265 struct batadv_tvlv_tt_change { 266 __u8 flags; 267 __u8 reserved[3]; 268 __u8 addr[ETH_ALEN]; 269 __be16 vid; 270 }; 271 struct batadv_tvlv_roam_adv { 272 __u8 client[ETH_ALEN]; 273 __be16 vid; 274 }; 275 struct batadv_tvlv_mcast_data { 276 __u8 flags; 277 __u8 reserved[3]; 278 }; 279 #pragma pack() 280 #endif 281