Daniel Borkmann | b54ac87 | 2015-03-16 18:10:56 +0100 | [diff] [blame] | 1 | /* Copyright (c) 2011-2014 PLUMgrid, http://plumgrid.com |
| 2 | * |
| 3 | * This program is free software; you can redistribute it and/or |
| 4 | * modify it under the terms of version 2 of the GNU General Public |
| 5 | * License as published by the Free Software Foundation. |
| 6 | */ |
| 7 | #ifndef __LINUX_BPF_H__ |
| 8 | #define __LINUX_BPF_H__ |
| 9 | |
| 10 | #include <linux/types.h> |
| 11 | #include <linux/bpf_common.h> |
| 12 | |
| 13 | /* Extended instruction set based on top of classic BPF */ |
| 14 | |
| 15 | /* instruction classes */ |
| 16 | #define BPF_ALU64 0x07 /* alu mode in double word width */ |
| 17 | |
| 18 | /* ld/ldx fields */ |
| 19 | #define BPF_DW 0x18 /* double word */ |
| 20 | #define BPF_XADD 0xc0 /* exclusive add */ |
| 21 | |
| 22 | /* alu/jmp fields */ |
| 23 | #define BPF_MOV 0xb0 /* mov reg to reg */ |
| 24 | #define BPF_ARSH 0xc0 /* sign extending arithmetic shift right */ |
| 25 | |
| 26 | /* change endianness of a register */ |
| 27 | #define BPF_END 0xd0 /* flags for endianness conversion: */ |
| 28 | #define BPF_TO_LE 0x00 /* convert to little-endian */ |
| 29 | #define BPF_TO_BE 0x08 /* convert to big-endian */ |
| 30 | #define BPF_FROM_LE BPF_TO_LE |
| 31 | #define BPF_FROM_BE BPF_TO_BE |
| 32 | |
| 33 | #define BPF_JNE 0x50 /* jump != */ |
| 34 | #define BPF_JSGT 0x60 /* SGT is signed '>', GT in x86 */ |
| 35 | #define BPF_JSGE 0x70 /* SGE is signed '>=', GE in x86 */ |
| 36 | #define BPF_CALL 0x80 /* function call */ |
| 37 | #define BPF_EXIT 0x90 /* function return */ |
| 38 | |
| 39 | /* Register numbers */ |
| 40 | enum { |
| 41 | BPF_REG_0 = 0, |
| 42 | BPF_REG_1, |
| 43 | BPF_REG_2, |
| 44 | BPF_REG_3, |
| 45 | BPF_REG_4, |
| 46 | BPF_REG_5, |
| 47 | BPF_REG_6, |
| 48 | BPF_REG_7, |
| 49 | BPF_REG_8, |
| 50 | BPF_REG_9, |
| 51 | BPF_REG_10, |
| 52 | __MAX_BPF_REG, |
| 53 | }; |
| 54 | |
| 55 | /* BPF has 10 general purpose 64-bit registers and stack frame. */ |
| 56 | #define MAX_BPF_REG __MAX_BPF_REG |
| 57 | |
| 58 | struct bpf_insn { |
| 59 | __u8 code; /* opcode */ |
| 60 | __u8 dst_reg:4; /* dest register */ |
| 61 | __u8 src_reg:4; /* source register */ |
| 62 | __s16 off; /* signed offset */ |
| 63 | __s32 imm; /* signed immediate constant */ |
| 64 | }; |
| 65 | |
Stephen Hemminger | 0198930 | 2015-11-23 15:53:04 -0800 | [diff] [blame] | 66 | /* BPF syscall commands, see bpf(2) man-page for details. */ |
Daniel Borkmann | b54ac87 | 2015-03-16 18:10:56 +0100 | [diff] [blame] | 67 | enum bpf_cmd { |
Daniel Borkmann | b54ac87 | 2015-03-16 18:10:56 +0100 | [diff] [blame] | 68 | BPF_MAP_CREATE, |
Daniel Borkmann | b54ac87 | 2015-03-16 18:10:56 +0100 | [diff] [blame] | 69 | BPF_MAP_LOOKUP_ELEM, |
Daniel Borkmann | b54ac87 | 2015-03-16 18:10:56 +0100 | [diff] [blame] | 70 | BPF_MAP_UPDATE_ELEM, |
Daniel Borkmann | b54ac87 | 2015-03-16 18:10:56 +0100 | [diff] [blame] | 71 | BPF_MAP_DELETE_ELEM, |
Daniel Borkmann | b54ac87 | 2015-03-16 18:10:56 +0100 | [diff] [blame] | 72 | BPF_MAP_GET_NEXT_KEY, |
Daniel Borkmann | b54ac87 | 2015-03-16 18:10:56 +0100 | [diff] [blame] | 73 | BPF_PROG_LOAD, |
Stephen Hemminger | 0198930 | 2015-11-23 15:53:04 -0800 | [diff] [blame] | 74 | BPF_OBJ_PIN, |
| 75 | BPF_OBJ_GET, |
Daniel Borkmann | b54ac87 | 2015-03-16 18:10:56 +0100 | [diff] [blame] | 76 | }; |
| 77 | |
| 78 | enum bpf_map_type { |
| 79 | BPF_MAP_TYPE_UNSPEC, |
| 80 | BPF_MAP_TYPE_HASH, |
| 81 | BPF_MAP_TYPE_ARRAY, |
Stephen Hemminger | 8f42cea | 2015-05-21 14:52:08 -0700 | [diff] [blame] | 82 | BPF_MAP_TYPE_PROG_ARRAY, |
Stephen Hemminger | 4f3489c | 2015-08-10 11:21:20 -0700 | [diff] [blame] | 83 | BPF_MAP_TYPE_PERF_EVENT_ARRAY, |
Stephen Hemminger | 8593b2c | 2016-02-09 10:49:03 -0800 | [diff] [blame] | 84 | BPF_MAP_TYPE_PERCPU_HASH, |
| 85 | BPF_MAP_TYPE_PERCPU_ARRAY, |
Stephen Hemminger | 2421ab7 | 2016-03-02 09:30:56 -0800 | [diff] [blame] | 86 | BPF_MAP_TYPE_STACK_TRACE, |
Daniel Borkmann | b54ac87 | 2015-03-16 18:10:56 +0100 | [diff] [blame] | 87 | }; |
| 88 | |
| 89 | enum bpf_prog_type { |
| 90 | BPF_PROG_TYPE_UNSPEC, |
| 91 | BPF_PROG_TYPE_SOCKET_FILTER, |
Stephen Hemminger | aeedd8e | 2015-04-29 12:33:24 -0700 | [diff] [blame] | 92 | BPF_PROG_TYPE_KPROBE, |
Daniel Borkmann | b54ac87 | 2015-03-16 18:10:56 +0100 | [diff] [blame] | 93 | BPF_PROG_TYPE_SCHED_CLS, |
Stephen Hemminger | cbdc3ed | 2015-03-24 15:21:24 -0700 | [diff] [blame] | 94 | BPF_PROG_TYPE_SCHED_ACT, |
Stephen Hemminger | bc9fb25 | 2016-04-11 13:44:50 -0700 | [diff] [blame] | 95 | BPF_PROG_TYPE_TRACEPOINT, |
Daniel Borkmann | b54ac87 | 2015-03-16 18:10:56 +0100 | [diff] [blame] | 96 | }; |
| 97 | |
| 98 | #define BPF_PSEUDO_MAP_FD 1 |
| 99 | |
| 100 | /* flags for BPF_MAP_UPDATE_ELEM command */ |
| 101 | #define BPF_ANY 0 /* create new element or update existing */ |
| 102 | #define BPF_NOEXIST 1 /* create new element if it didn't exist */ |
| 103 | #define BPF_EXIST 2 /* update existing element */ |
| 104 | |
Stephen Hemminger | b7e0091 | 2016-03-21 12:02:32 -0700 | [diff] [blame] | 105 | #define BPF_F_NO_PREALLOC (1U << 0) |
| 106 | |
Daniel Borkmann | b54ac87 | 2015-03-16 18:10:56 +0100 | [diff] [blame] | 107 | union bpf_attr { |
| 108 | struct { /* anonymous struct used by BPF_MAP_CREATE command */ |
| 109 | __u32 map_type; /* one of enum bpf_map_type */ |
| 110 | __u32 key_size; /* size of key in bytes */ |
| 111 | __u32 value_size; /* size of value in bytes */ |
| 112 | __u32 max_entries; /* max number of entries in a map */ |
Stephen Hemminger | b7e0091 | 2016-03-21 12:02:32 -0700 | [diff] [blame] | 113 | __u32 map_flags; /* prealloc or not */ |
Daniel Borkmann | b54ac87 | 2015-03-16 18:10:56 +0100 | [diff] [blame] | 114 | }; |
| 115 | |
| 116 | struct { /* anonymous struct used by BPF_MAP_*_ELEM commands */ |
| 117 | __u32 map_fd; |
| 118 | __aligned_u64 key; |
| 119 | union { |
| 120 | __aligned_u64 value; |
| 121 | __aligned_u64 next_key; |
| 122 | }; |
| 123 | __u64 flags; |
| 124 | }; |
| 125 | |
| 126 | struct { /* anonymous struct used by BPF_PROG_LOAD command */ |
| 127 | __u32 prog_type; /* one of enum bpf_prog_type */ |
| 128 | __u32 insn_cnt; |
| 129 | __aligned_u64 insns; |
| 130 | __aligned_u64 license; |
| 131 | __u32 log_level; /* verbosity level of verifier */ |
| 132 | __u32 log_size; /* size of user buffer */ |
| 133 | __aligned_u64 log_buf; /* user supplied buffer */ |
Stephen Hemminger | aeedd8e | 2015-04-29 12:33:24 -0700 | [diff] [blame] | 134 | __u32 kern_version; /* checked when prog_type=kprobe */ |
Daniel Borkmann | b54ac87 | 2015-03-16 18:10:56 +0100 | [diff] [blame] | 135 | }; |
Stephen Hemminger | 0198930 | 2015-11-23 15:53:04 -0800 | [diff] [blame] | 136 | |
| 137 | struct { /* anonymous struct used by BPF_OBJ_* commands */ |
| 138 | __aligned_u64 pathname; |
| 139 | __u32 bpf_fd; |
| 140 | }; |
Daniel Borkmann | b54ac87 | 2015-03-16 18:10:56 +0100 | [diff] [blame] | 141 | } __attribute__((aligned(8))); |
| 142 | |
| 143 | /* integer value in 'imm' field of BPF_CALL instruction selects which helper |
| 144 | * function eBPF program intends to call |
| 145 | */ |
| 146 | enum bpf_func_id { |
| 147 | BPF_FUNC_unspec, |
| 148 | BPF_FUNC_map_lookup_elem, /* void *map_lookup_elem(&map, &key) */ |
| 149 | BPF_FUNC_map_update_elem, /* int map_update_elem(&map, &key, &value, flags) */ |
| 150 | BPF_FUNC_map_delete_elem, /* int map_delete_elem(&map, &key) */ |
Stephen Hemminger | aeedd8e | 2015-04-29 12:33:24 -0700 | [diff] [blame] | 151 | BPF_FUNC_probe_read, /* int bpf_probe_read(void *dst, int size, void *src) */ |
| 152 | BPF_FUNC_ktime_get_ns, /* u64 bpf_ktime_get_ns(void) */ |
| 153 | BPF_FUNC_trace_printk, /* int bpf_trace_printk(const char *fmt, int fmt_size, ...) */ |
Daniel Borkmann | b54ac87 | 2015-03-16 18:10:56 +0100 | [diff] [blame] | 154 | BPF_FUNC_get_prandom_u32, /* u32 prandom_u32(void) */ |
| 155 | BPF_FUNC_get_smp_processor_id, /* u32 raw_smp_processor_id(void) */ |
Stephen Hemminger | e46efae | 2015-04-10 13:18:38 -0700 | [diff] [blame] | 156 | |
| 157 | /** |
| 158 | * skb_store_bytes(skb, offset, from, len, flags) - store bytes into packet |
| 159 | * @skb: pointer to skb |
Stephen Hemminger | aeedd8e | 2015-04-29 12:33:24 -0700 | [diff] [blame] | 160 | * @offset: offset within packet from skb->mac_header |
Stephen Hemminger | e46efae | 2015-04-10 13:18:38 -0700 | [diff] [blame] | 161 | * @from: pointer where to copy bytes from |
| 162 | * @len: number of bytes to store into packet |
| 163 | * @flags: bit 0 - if true, recompute skb->csum |
| 164 | * other bits - reserved |
| 165 | * Return: 0 on success |
| 166 | */ |
| 167 | BPF_FUNC_skb_store_bytes, |
| 168 | |
| 169 | /** |
| 170 | * l3_csum_replace(skb, offset, from, to, flags) - recompute IP checksum |
| 171 | * @skb: pointer to skb |
| 172 | * @offset: offset within packet where IP checksum is located |
| 173 | * @from: old value of header field |
| 174 | * @to: new value of header field |
| 175 | * @flags: bits 0-3 - size of header field |
| 176 | * other bits - reserved |
| 177 | * Return: 0 on success |
| 178 | */ |
| 179 | BPF_FUNC_l3_csum_replace, |
| 180 | |
| 181 | /** |
| 182 | * l4_csum_replace(skb, offset, from, to, flags) - recompute TCP/UDP checksum |
| 183 | * @skb: pointer to skb |
| 184 | * @offset: offset within packet where TCP/UDP checksum is located |
| 185 | * @from: old value of header field |
| 186 | * @to: new value of header field |
| 187 | * @flags: bits 0-3 - size of header field |
| 188 | * bit 4 - is pseudo header |
| 189 | * other bits - reserved |
| 190 | * Return: 0 on success |
| 191 | */ |
| 192 | BPF_FUNC_l4_csum_replace, |
Stephen Hemminger | 8f42cea | 2015-05-21 14:52:08 -0700 | [diff] [blame] | 193 | |
| 194 | /** |
| 195 | * bpf_tail_call(ctx, prog_array_map, index) - jump into another BPF program |
| 196 | * @ctx: context pointer passed to next program |
| 197 | * @prog_array_map: pointer to map which type is BPF_MAP_TYPE_PROG_ARRAY |
| 198 | * @index: index inside array that selects specific program to run |
| 199 | * Return: 0 on success |
| 200 | */ |
| 201 | BPF_FUNC_tail_call, |
Stephen Hemminger | ff631c3 | 2015-06-25 22:34:26 -0400 | [diff] [blame] | 202 | |
| 203 | /** |
| 204 | * bpf_clone_redirect(skb, ifindex, flags) - redirect to another netdev |
| 205 | * @skb: pointer to skb |
| 206 | * @ifindex: ifindex of the net device |
| 207 | * @flags: bit 0 - if set, redirect to ingress instead of egress |
| 208 | * other bits - reserved |
| 209 | * Return: 0 on success |
| 210 | */ |
| 211 | BPF_FUNC_clone_redirect, |
| 212 | |
| 213 | /** |
| 214 | * u64 bpf_get_current_pid_tgid(void) |
| 215 | * Return: current->tgid << 32 | current->pid |
| 216 | */ |
| 217 | BPF_FUNC_get_current_pid_tgid, |
| 218 | |
| 219 | /** |
| 220 | * u64 bpf_get_current_uid_gid(void) |
| 221 | * Return: current_gid << 32 | current_uid |
| 222 | */ |
| 223 | BPF_FUNC_get_current_uid_gid, |
| 224 | |
| 225 | /** |
| 226 | * bpf_get_current_comm(char *buf, int size_of_buf) |
| 227 | * stores current->comm into buf |
| 228 | * Return: 0 on success |
| 229 | */ |
| 230 | BPF_FUNC_get_current_comm, |
Stephen Hemminger | a3563ed | 2015-07-28 16:42:12 -0700 | [diff] [blame] | 231 | |
| 232 | /** |
| 233 | * bpf_get_cgroup_classid(skb) - retrieve a proc's classid |
| 234 | * @skb: pointer to skb |
| 235 | * Return: classid if != 0 |
| 236 | */ |
| 237 | BPF_FUNC_get_cgroup_classid, |
| 238 | BPF_FUNC_skb_vlan_push, /* bpf_skb_vlan_push(skb, vlan_proto, vlan_tci) */ |
| 239 | BPF_FUNC_skb_vlan_pop, /* bpf_skb_vlan_pop(skb) */ |
Stephen Hemminger | 089d93d | 2015-07-31 18:13:56 -0700 | [diff] [blame] | 240 | |
| 241 | /** |
| 242 | * bpf_skb_[gs]et_tunnel_key(skb, key, size, flags) |
| 243 | * retrieve or populate tunnel metadata |
| 244 | * @skb: pointer to skb |
| 245 | * @key: pointer to 'struct bpf_tunnel_key' |
| 246 | * @size: size of 'struct bpf_tunnel_key' |
| 247 | * @flags: room for future extensions |
| 248 | * Retrun: 0 on success |
| 249 | */ |
| 250 | BPF_FUNC_skb_get_tunnel_key, |
| 251 | BPF_FUNC_skb_set_tunnel_key, |
Stephen Hemminger | 4f3489c | 2015-08-10 11:21:20 -0700 | [diff] [blame] | 252 | BPF_FUNC_perf_event_read, /* u64 bpf_perf_event_read(&map, index) */ |
Stephen Hemminger | 4e39bfb | 2015-09-23 16:18:34 -0700 | [diff] [blame] | 253 | /** |
| 254 | * bpf_redirect(ifindex, flags) - redirect to another netdev |
| 255 | * @ifindex: ifindex of the net device |
| 256 | * @flags: bit 0 - if set, redirect to ingress instead of egress |
| 257 | * other bits - reserved |
| 258 | * Return: TC_ACT_REDIRECT |
| 259 | */ |
| 260 | BPF_FUNC_redirect, |
Stephen Hemminger | 23e9050 | 2015-10-12 09:32:44 -0700 | [diff] [blame] | 261 | |
| 262 | /** |
| 263 | * bpf_get_route_realm(skb) - retrieve a dst's tclassid |
| 264 | * @skb: pointer to skb |
| 265 | * Return: realm if != 0 |
| 266 | */ |
| 267 | BPF_FUNC_get_route_realm, |
Stephen Hemminger | c518d3a | 2015-10-22 23:43:35 -0700 | [diff] [blame] | 268 | |
| 269 | /** |
| 270 | * bpf_perf_event_output(ctx, map, index, data, size) - output perf raw sample |
| 271 | * @ctx: struct pt_regs* |
| 272 | * @map: pointer to perf_event_array map |
| 273 | * @index: index of event in the map |
| 274 | * @data: data on stack to be output as raw data |
| 275 | * @size: size of data |
| 276 | * Return: 0 on success |
| 277 | */ |
| 278 | BPF_FUNC_perf_event_output, |
Stephen Hemminger | a4c89d8 | 2016-01-06 09:14:29 -0800 | [diff] [blame] | 279 | BPF_FUNC_skb_load_bytes, |
Stephen Hemminger | 2421ab7 | 2016-03-02 09:30:56 -0800 | [diff] [blame] | 280 | |
| 281 | /** |
| 282 | * bpf_get_stackid(ctx, map, flags) - walk user or kernel stack and return id |
| 283 | * @ctx: struct pt_regs* |
| 284 | * @map: pointer to stack_trace map |
| 285 | * @flags: bits 0-7 - numer of stack frames to skip |
| 286 | * bit 8 - collect user stack instead of kernel |
| 287 | * bit 9 - compare stacks by hash only |
| 288 | * bit 10 - if two different stacks hash into the same stackid |
| 289 | * discard old |
| 290 | * other bits - reserved |
| 291 | * Return: >= 0 stackid on success or negative error |
| 292 | */ |
| 293 | BPF_FUNC_get_stackid, |
| 294 | |
| 295 | /** |
| 296 | * bpf_csum_diff(from, from_size, to, to_size, seed) - calculate csum diff |
| 297 | * @from: raw from buffer |
| 298 | * @from_size: length of from buffer |
| 299 | * @to: raw to buffer |
| 300 | * @to_size: length of to buffer |
| 301 | * @seed: optional seed |
| 302 | * Return: csum result |
| 303 | */ |
| 304 | BPF_FUNC_csum_diff, |
Stephen Hemminger | b7e0091 | 2016-03-21 12:02:32 -0700 | [diff] [blame] | 305 | |
| 306 | /** |
| 307 | * bpf_skb_[gs]et_tunnel_opt(skb, opt, size) |
| 308 | * retrieve or populate tunnel options metadata |
| 309 | * @skb: pointer to skb |
| 310 | * @opt: pointer to raw tunnel option data |
| 311 | * @size: size of @opt |
| 312 | * Return: 0 on success for set, option size for get |
| 313 | */ |
| 314 | BPF_FUNC_skb_get_tunnel_opt, |
| 315 | BPF_FUNC_skb_set_tunnel_opt, |
Daniel Borkmann | b54ac87 | 2015-03-16 18:10:56 +0100 | [diff] [blame] | 316 | __BPF_FUNC_MAX_ID, |
| 317 | }; |
| 318 | |
Stephen Hemminger | 7321b7d | 2016-01-18 09:40:13 -0800 | [diff] [blame] | 319 | /* All flags used by eBPF helper functions, placed here. */ |
| 320 | |
| 321 | /* BPF_FUNC_skb_store_bytes flags. */ |
| 322 | #define BPF_F_RECOMPUTE_CSUM (1ULL << 0) |
Stephen Hemminger | b7e0091 | 2016-03-21 12:02:32 -0700 | [diff] [blame] | 323 | #define BPF_F_INVALIDATE_HASH (1ULL << 1) |
Stephen Hemminger | 7321b7d | 2016-01-18 09:40:13 -0800 | [diff] [blame] | 324 | |
| 325 | /* BPF_FUNC_l3_csum_replace and BPF_FUNC_l4_csum_replace flags. |
| 326 | * First 4 bits are for passing the header field size. |
| 327 | */ |
| 328 | #define BPF_F_HDR_FIELD_MASK 0xfULL |
| 329 | |
| 330 | /* BPF_FUNC_l4_csum_replace flags. */ |
| 331 | #define BPF_F_PSEUDO_HDR (1ULL << 4) |
Stephen Hemminger | 2421ab7 | 2016-03-02 09:30:56 -0800 | [diff] [blame] | 332 | #define BPF_F_MARK_MANGLED_0 (1ULL << 5) |
Stephen Hemminger | 7321b7d | 2016-01-18 09:40:13 -0800 | [diff] [blame] | 333 | |
| 334 | /* BPF_FUNC_clone_redirect and BPF_FUNC_redirect flags. */ |
| 335 | #define BPF_F_INGRESS (1ULL << 0) |
| 336 | |
| 337 | /* BPF_FUNC_skb_set_tunnel_key and BPF_FUNC_skb_get_tunnel_key flags. */ |
| 338 | #define BPF_F_TUNINFO_IPV6 (1ULL << 0) |
| 339 | |
Stephen Hemminger | 2421ab7 | 2016-03-02 09:30:56 -0800 | [diff] [blame] | 340 | /* BPF_FUNC_get_stackid flags. */ |
| 341 | #define BPF_F_SKIP_FIELD_MASK 0xffULL |
| 342 | #define BPF_F_USER_STACK (1ULL << 8) |
| 343 | #define BPF_F_FAST_STACK_CMP (1ULL << 9) |
| 344 | #define BPF_F_REUSE_STACKID (1ULL << 10) |
| 345 | |
Stephen Hemminger | b7e0091 | 2016-03-21 12:02:32 -0700 | [diff] [blame] | 346 | /* BPF_FUNC_skb_set_tunnel_key flags. */ |
| 347 | #define BPF_F_ZERO_CSUM_TX (1ULL << 1) |
| 348 | #define BPF_F_DONT_FRAGMENT (1ULL << 2) |
| 349 | |
Stephen Hemminger | 32c0b9b | 2016-04-22 10:01:12 -0700 | [diff] [blame] | 350 | /* BPF_FUNC_perf_event_output flags. */ |
| 351 | #define BPF_F_INDEX_MASK 0xffffffffULL |
| 352 | #define BPF_F_CURRENT_CPU BPF_F_INDEX_MASK |
| 353 | |
Daniel Borkmann | b54ac87 | 2015-03-16 18:10:56 +0100 | [diff] [blame] | 354 | /* user accessible mirror of in-kernel sk_buff. |
| 355 | * new fields can only be added to the end of this structure |
| 356 | */ |
| 357 | struct __sk_buff { |
| 358 | __u32 len; |
| 359 | __u32 pkt_type; |
| 360 | __u32 mark; |
| 361 | __u32 queue_mapping; |
Stephen Hemminger | cbdc3ed | 2015-03-24 15:21:24 -0700 | [diff] [blame] | 362 | __u32 protocol; |
| 363 | __u32 vlan_present; |
| 364 | __u32 vlan_tci; |
| 365 | __u32 vlan_proto; |
Stephen Hemminger | e46efae | 2015-04-10 13:18:38 -0700 | [diff] [blame] | 366 | __u32 priority; |
Stephen Hemminger | ff631c3 | 2015-06-25 22:34:26 -0400 | [diff] [blame] | 367 | __u32 ingress_ifindex; |
| 368 | __u32 ifindex; |
| 369 | __u32 tc_index; |
| 370 | __u32 cb[5]; |
Stephen Hemminger | 4f3489c | 2015-08-10 11:21:20 -0700 | [diff] [blame] | 371 | __u32 hash; |
Stephen Hemminger | 4e39bfb | 2015-09-23 16:18:34 -0700 | [diff] [blame] | 372 | __u32 tc_classid; |
Stephen Hemminger | 31ce6e0 | 2016-05-13 14:56:31 -0700 | [diff] [blame] | 373 | __u32 data; |
| 374 | __u32 data_end; |
Daniel Borkmann | b54ac87 | 2015-03-16 18:10:56 +0100 | [diff] [blame] | 375 | }; |
| 376 | |
Stephen Hemminger | 089d93d | 2015-07-31 18:13:56 -0700 | [diff] [blame] | 377 | struct bpf_tunnel_key { |
| 378 | __u32 tunnel_id; |
Stephen Hemminger | 7321b7d | 2016-01-18 09:40:13 -0800 | [diff] [blame] | 379 | union { |
| 380 | __u32 remote_ipv4; |
| 381 | __u32 remote_ipv6[4]; |
| 382 | }; |
| 383 | __u8 tunnel_tos; |
| 384 | __u8 tunnel_ttl; |
Stephen Hemminger | 6268b08 | 2016-04-11 13:40:40 -0700 | [diff] [blame] | 385 | __u16 tunnel_ext; |
Stephen Hemminger | b7e0091 | 2016-03-21 12:02:32 -0700 | [diff] [blame] | 386 | __u32 tunnel_label; |
Stephen Hemminger | 089d93d | 2015-07-31 18:13:56 -0700 | [diff] [blame] | 387 | }; |
| 388 | |
Daniel Borkmann | b54ac87 | 2015-03-16 18:10:56 +0100 | [diff] [blame] | 389 | #endif /* __LINUX_BPF_H__ */ |