pkt_cls.h 9.0 KB

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  1. #ifndef __LINUX_PKT_CLS_H
  2. #define __LINUX_PKT_CLS_H
  3. #include <linux/types.h>
  4. #include <linux/pkt_sched.h>
  5. /* Action attributes */
  6. enum {
  7. TCA_ACT_UNSPEC,
  8. TCA_ACT_KIND,
  9. TCA_ACT_OPTIONS,
  10. TCA_ACT_INDEX,
  11. TCA_ACT_STATS,
  12. TCA_ACT_PAD,
  13. __TCA_ACT_MAX
  14. };
  15. #define TCA_ACT_MAX __TCA_ACT_MAX
  16. #define TCA_OLD_COMPAT (TCA_ACT_MAX+1)
  17. #define TCA_ACT_MAX_PRIO 32
  18. #define TCA_ACT_BIND 1
  19. #define TCA_ACT_NOBIND 0
  20. #define TCA_ACT_UNBIND 1
  21. #define TCA_ACT_NOUNBIND 0
  22. #define TCA_ACT_REPLACE 1
  23. #define TCA_ACT_NOREPLACE 0
  24. #define TC_ACT_UNSPEC (-1)
  25. #define TC_ACT_OK 0
  26. #define TC_ACT_RECLASSIFY 1
  27. #define TC_ACT_SHOT 2
  28. #define TC_ACT_PIPE 3
  29. #define TC_ACT_STOLEN 4
  30. #define TC_ACT_QUEUED 5
  31. #define TC_ACT_REPEAT 6
  32. #define TC_ACT_REDIRECT 7
  33. #define TC_ACT_JUMP 0x10000000
  34. /* Action type identifiers*/
  35. enum {
  36. TCA_ID_UNSPEC=0,
  37. TCA_ID_POLICE=1,
  38. /* other actions go here */
  39. __TCA_ID_MAX=255
  40. };
  41. #define TCA_ID_MAX __TCA_ID_MAX
  42. struct tc_police {
  43. __u32 index;
  44. int action;
  45. #define TC_POLICE_UNSPEC TC_ACT_UNSPEC
  46. #define TC_POLICE_OK TC_ACT_OK
  47. #define TC_POLICE_RECLASSIFY TC_ACT_RECLASSIFY
  48. #define TC_POLICE_SHOT TC_ACT_SHOT
  49. #define TC_POLICE_PIPE TC_ACT_PIPE
  50. __u32 limit;
  51. __u32 burst;
  52. __u32 mtu;
  53. struct tc_ratespec rate;
  54. struct tc_ratespec peakrate;
  55. int refcnt;
  56. int bindcnt;
  57. __u32 capab;
  58. };
  59. struct tcf_t {
  60. __u64 install;
  61. __u64 lastuse;
  62. __u64 expires;
  63. __u64 firstuse;
  64. };
  65. struct tc_cnt {
  66. int refcnt;
  67. int bindcnt;
  68. };
  69. #define tc_gen \
  70. __u32 index; \
  71. __u32 capab; \
  72. int action; \
  73. int refcnt; \
  74. int bindcnt
  75. enum {
  76. TCA_POLICE_UNSPEC,
  77. TCA_POLICE_TBF,
  78. TCA_POLICE_RATE,
  79. TCA_POLICE_PEAKRATE,
  80. TCA_POLICE_AVRATE,
  81. TCA_POLICE_RESULT,
  82. TCA_POLICE_TM,
  83. TCA_POLICE_PAD,
  84. __TCA_POLICE_MAX
  85. #define TCA_POLICE_RESULT TCA_POLICE_RESULT
  86. };
  87. #define TCA_POLICE_MAX (__TCA_POLICE_MAX - 1)
  88. /* tca flags definitions */
  89. #define TCA_CLS_FLAGS_SKIP_HW (1 << 0)
  90. #define TCA_CLS_FLAGS_SKIP_SW (1 << 1)
  91. /* U32 filters */
  92. #define TC_U32_HTID(h) ((h)&0xFFF00000)
  93. #define TC_U32_USERHTID(h) (TC_U32_HTID(h)>>20)
  94. #define TC_U32_HASH(h) (((h)>>12)&0xFF)
  95. #define TC_U32_NODE(h) ((h)&0xFFF)
  96. #define TC_U32_KEY(h) ((h)&0xFFFFF)
  97. #define TC_U32_UNSPEC 0
  98. #define TC_U32_ROOT (0xFFF00000)
  99. enum {
  100. TCA_U32_UNSPEC,
  101. TCA_U32_CLASSID,
  102. TCA_U32_HASH,
  103. TCA_U32_LINK,
  104. TCA_U32_DIVISOR,
  105. TCA_U32_SEL,
  106. TCA_U32_POLICE,
  107. TCA_U32_ACT,
  108. TCA_U32_INDEV,
  109. TCA_U32_PCNT,
  110. TCA_U32_MARK,
  111. TCA_U32_FLAGS,
  112. TCA_U32_PAD,
  113. __TCA_U32_MAX
  114. };
  115. #define TCA_U32_MAX (__TCA_U32_MAX - 1)
  116. struct tc_u32_key {
  117. __be32 mask;
  118. __be32 val;
  119. int off;
  120. int offmask;
  121. };
  122. struct tc_u32_sel {
  123. unsigned char flags;
  124. unsigned char offshift;
  125. unsigned char nkeys;
  126. __be16 offmask;
  127. __u16 off;
  128. short offoff;
  129. short hoff;
  130. __be32 hmask;
  131. struct tc_u32_key keys[0];
  132. };
  133. struct tc_u32_mark {
  134. __u32 val;
  135. __u32 mask;
  136. __u32 success;
  137. };
  138. struct tc_u32_pcnt {
  139. __u64 rcnt;
  140. __u64 rhit;
  141. __u64 kcnts[0];
  142. };
  143. /* Flags */
  144. #define TC_U32_TERMINAL 1
  145. #define TC_U32_OFFSET 2
  146. #define TC_U32_VAROFFSET 4
  147. #define TC_U32_EAT 8
  148. #define TC_U32_MAXDEPTH 8
  149. /* RSVP filter */
  150. enum {
  151. TCA_RSVP_UNSPEC,
  152. TCA_RSVP_CLASSID,
  153. TCA_RSVP_DST,
  154. TCA_RSVP_SRC,
  155. TCA_RSVP_PINFO,
  156. TCA_RSVP_POLICE,
  157. TCA_RSVP_ACT,
  158. __TCA_RSVP_MAX
  159. };
  160. #define TCA_RSVP_MAX (__TCA_RSVP_MAX - 1 )
  161. struct tc_rsvp_gpi {
  162. __u32 key;
  163. __u32 mask;
  164. int offset;
  165. };
  166. struct tc_rsvp_pinfo {
  167. struct tc_rsvp_gpi dpi;
  168. struct tc_rsvp_gpi spi;
  169. __u8 protocol;
  170. __u8 tunnelid;
  171. __u8 tunnelhdr;
  172. __u8 pad;
  173. };
  174. /* ROUTE filter */
  175. enum {
  176. TCA_ROUTE4_UNSPEC,
  177. TCA_ROUTE4_CLASSID,
  178. TCA_ROUTE4_TO,
  179. TCA_ROUTE4_FROM,
  180. TCA_ROUTE4_IIF,
  181. TCA_ROUTE4_POLICE,
  182. TCA_ROUTE4_ACT,
  183. __TCA_ROUTE4_MAX
  184. };
  185. #define TCA_ROUTE4_MAX (__TCA_ROUTE4_MAX - 1)
  186. /* FW filter */
  187. enum {
  188. TCA_FW_UNSPEC,
  189. TCA_FW_CLASSID,
  190. TCA_FW_POLICE,
  191. TCA_FW_INDEV, /* used by CONFIG_NET_CLS_IND */
  192. TCA_FW_ACT, /* used by CONFIG_NET_CLS_ACT */
  193. TCA_FW_MASK,
  194. __TCA_FW_MAX
  195. };
  196. #define TCA_FW_MAX (__TCA_FW_MAX - 1)
  197. /* TC index filter */
  198. enum {
  199. TCA_TCINDEX_UNSPEC,
  200. TCA_TCINDEX_HASH,
  201. TCA_TCINDEX_MASK,
  202. TCA_TCINDEX_SHIFT,
  203. TCA_TCINDEX_FALL_THROUGH,
  204. TCA_TCINDEX_CLASSID,
  205. TCA_TCINDEX_POLICE,
  206. TCA_TCINDEX_ACT,
  207. __TCA_TCINDEX_MAX
  208. };
  209. #define TCA_TCINDEX_MAX (__TCA_TCINDEX_MAX - 1)
  210. /* Flow filter */
  211. enum {
  212. FLOW_KEY_SRC,
  213. FLOW_KEY_DST,
  214. FLOW_KEY_PROTO,
  215. FLOW_KEY_PROTO_SRC,
  216. FLOW_KEY_PROTO_DST,
  217. FLOW_KEY_IIF,
  218. FLOW_KEY_PRIORITY,
  219. FLOW_KEY_MARK,
  220. FLOW_KEY_NFCT,
  221. FLOW_KEY_NFCT_SRC,
  222. FLOW_KEY_NFCT_DST,
  223. FLOW_KEY_NFCT_PROTO_SRC,
  224. FLOW_KEY_NFCT_PROTO_DST,
  225. FLOW_KEY_RTCLASSID,
  226. FLOW_KEY_SKUID,
  227. FLOW_KEY_SKGID,
  228. FLOW_KEY_VLAN_TAG,
  229. FLOW_KEY_RXHASH,
  230. __FLOW_KEY_MAX,
  231. };
  232. #define FLOW_KEY_MAX (__FLOW_KEY_MAX - 1)
  233. enum {
  234. FLOW_MODE_MAP,
  235. FLOW_MODE_HASH,
  236. };
  237. enum {
  238. TCA_FLOW_UNSPEC,
  239. TCA_FLOW_KEYS,
  240. TCA_FLOW_MODE,
  241. TCA_FLOW_BASECLASS,
  242. TCA_FLOW_RSHIFT,
  243. TCA_FLOW_ADDEND,
  244. TCA_FLOW_MASK,
  245. TCA_FLOW_XOR,
  246. TCA_FLOW_DIVISOR,
  247. TCA_FLOW_ACT,
  248. TCA_FLOW_POLICE,
  249. TCA_FLOW_EMATCHES,
  250. TCA_FLOW_PERTURB,
  251. __TCA_FLOW_MAX
  252. };
  253. #define TCA_FLOW_MAX (__TCA_FLOW_MAX - 1)
  254. /* Basic filter */
  255. enum {
  256. TCA_BASIC_UNSPEC,
  257. TCA_BASIC_CLASSID,
  258. TCA_BASIC_EMATCHES,
  259. TCA_BASIC_ACT,
  260. TCA_BASIC_POLICE,
  261. __TCA_BASIC_MAX
  262. };
  263. #define TCA_BASIC_MAX (__TCA_BASIC_MAX - 1)
  264. /* Cgroup classifier */
  265. enum {
  266. TCA_CGROUP_UNSPEC,
  267. TCA_CGROUP_ACT,
  268. TCA_CGROUP_POLICE,
  269. TCA_CGROUP_EMATCHES,
  270. __TCA_CGROUP_MAX,
  271. };
  272. #define TCA_CGROUP_MAX (__TCA_CGROUP_MAX - 1)
  273. /* BPF classifier */
  274. #define TCA_BPF_FLAG_ACT_DIRECT (1 << 0)
  275. enum {
  276. TCA_BPF_UNSPEC,
  277. TCA_BPF_ACT,
  278. TCA_BPF_POLICE,
  279. TCA_BPF_CLASSID,
  280. TCA_BPF_OPS_LEN,
  281. TCA_BPF_OPS,
  282. TCA_BPF_FD,
  283. TCA_BPF_NAME,
  284. TCA_BPF_FLAGS,
  285. TCA_BPF_FLAGS_GEN,
  286. __TCA_BPF_MAX,
  287. };
  288. #define TCA_BPF_MAX (__TCA_BPF_MAX - 1)
  289. /* Flower classifier */
  290. enum {
  291. TCA_FLOWER_UNSPEC,
  292. TCA_FLOWER_CLASSID,
  293. TCA_FLOWER_INDEV,
  294. TCA_FLOWER_ACT,
  295. TCA_FLOWER_KEY_ETH_DST, /* ETH_ALEN */
  296. TCA_FLOWER_KEY_ETH_DST_MASK, /* ETH_ALEN */
  297. TCA_FLOWER_KEY_ETH_SRC, /* ETH_ALEN */
  298. TCA_FLOWER_KEY_ETH_SRC_MASK, /* ETH_ALEN */
  299. TCA_FLOWER_KEY_ETH_TYPE, /* be16 */
  300. TCA_FLOWER_KEY_IP_PROTO, /* u8 */
  301. TCA_FLOWER_KEY_IPV4_SRC, /* be32 */
  302. TCA_FLOWER_KEY_IPV4_SRC_MASK, /* be32 */
  303. TCA_FLOWER_KEY_IPV4_DST, /* be32 */
  304. TCA_FLOWER_KEY_IPV4_DST_MASK, /* be32 */
  305. TCA_FLOWER_KEY_IPV6_SRC, /* struct in6_addr */
  306. TCA_FLOWER_KEY_IPV6_SRC_MASK, /* struct in6_addr */
  307. TCA_FLOWER_KEY_IPV6_DST, /* struct in6_addr */
  308. TCA_FLOWER_KEY_IPV6_DST_MASK, /* struct in6_addr */
  309. TCA_FLOWER_KEY_TCP_SRC, /* be16 */
  310. TCA_FLOWER_KEY_TCP_DST, /* be16 */
  311. TCA_FLOWER_KEY_UDP_SRC, /* be16 */
  312. TCA_FLOWER_KEY_UDP_DST, /* be16 */
  313. TCA_FLOWER_FLAGS,
  314. TCA_FLOWER_KEY_VLAN_ID, /* be16 */
  315. TCA_FLOWER_KEY_VLAN_PRIO, /* u8 */
  316. TCA_FLOWER_KEY_VLAN_ETH_TYPE, /* be16 */
  317. TCA_FLOWER_KEY_ENC_KEY_ID, /* be32 */
  318. TCA_FLOWER_KEY_ENC_IPV4_SRC, /* be32 */
  319. TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK,/* be32 */
  320. TCA_FLOWER_KEY_ENC_IPV4_DST, /* be32 */
  321. TCA_FLOWER_KEY_ENC_IPV4_DST_MASK,/* be32 */
  322. TCA_FLOWER_KEY_ENC_IPV6_SRC, /* struct in6_addr */
  323. TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK,/* struct in6_addr */
  324. TCA_FLOWER_KEY_ENC_IPV6_DST, /* struct in6_addr */
  325. TCA_FLOWER_KEY_ENC_IPV6_DST_MASK,/* struct in6_addr */
  326. TCA_FLOWER_KEY_TCP_SRC_MASK, /* be16 */
  327. TCA_FLOWER_KEY_TCP_DST_MASK, /* be16 */
  328. TCA_FLOWER_KEY_UDP_SRC_MASK, /* be16 */
  329. TCA_FLOWER_KEY_UDP_DST_MASK, /* be16 */
  330. __TCA_FLOWER_MAX,
  331. };
  332. #define TCA_FLOWER_MAX (__TCA_FLOWER_MAX - 1)
  333. /* Match-all classifier */
  334. enum {
  335. TCA_MATCHALL_UNSPEC,
  336. TCA_MATCHALL_CLASSID,
  337. TCA_MATCHALL_ACT,
  338. TCA_MATCHALL_FLAGS,
  339. __TCA_MATCHALL_MAX,
  340. };
  341. #define TCA_MATCHALL_MAX (__TCA_MATCHALL_MAX - 1)
  342. /* Extended Matches */
  343. struct tcf_ematch_tree_hdr {
  344. __u16 nmatches;
  345. __u16 progid;
  346. };
  347. enum {
  348. TCA_EMATCH_TREE_UNSPEC,
  349. TCA_EMATCH_TREE_HDR,
  350. TCA_EMATCH_TREE_LIST,
  351. __TCA_EMATCH_TREE_MAX
  352. };
  353. #define TCA_EMATCH_TREE_MAX (__TCA_EMATCH_TREE_MAX - 1)
  354. struct tcf_ematch_hdr {
  355. __u16 matchid;
  356. __u16 kind;
  357. __u16 flags;
  358. __u16 pad; /* currently unused */
  359. };
  360. /* 0 1
  361. * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
  362. * +-----------------------+-+-+---+
  363. * | Unused |S|I| R |
  364. * +-----------------------+-+-+---+
  365. *
  366. * R(2) ::= relation to next ematch
  367. * where: 0 0 END (last ematch)
  368. * 0 1 AND
  369. * 1 0 OR
  370. * 1 1 Unused (invalid)
  371. * I(1) ::= invert result
  372. * S(1) ::= simple payload
  373. */
  374. #define TCF_EM_REL_END 0
  375. #define TCF_EM_REL_AND (1<<0)
  376. #define TCF_EM_REL_OR (1<<1)
  377. #define TCF_EM_INVERT (1<<2)
  378. #define TCF_EM_SIMPLE (1<<3)
  379. #define TCF_EM_REL_MASK 3
  380. #define TCF_EM_REL_VALID(v) (((v) & TCF_EM_REL_MASK) != TCF_EM_REL_MASK)
  381. enum {
  382. TCF_LAYER_LINK,
  383. TCF_LAYER_NETWORK,
  384. TCF_LAYER_TRANSPORT,
  385. __TCF_LAYER_MAX
  386. };
  387. #define TCF_LAYER_MAX (__TCF_LAYER_MAX - 1)
  388. /* Ematch type assignments
  389. * 1..32767 Reserved for ematches inside kernel tree
  390. * 32768..65535 Free to use, not reliable
  391. */
  392. #define TCF_EM_CONTAINER 0
  393. #define TCF_EM_CMP 1
  394. #define TCF_EM_NBYTE 2
  395. #define TCF_EM_U32 3
  396. #define TCF_EM_META 4
  397. #define TCF_EM_TEXT 5
  398. #define TCF_EM_VLAN 6
  399. #define TCF_EM_CANID 7
  400. #define TCF_EM_IPSET 8
  401. #define TCF_EM_MAX 8
  402. enum {
  403. TCF_EM_PROG_TC
  404. };
  405. enum {
  406. TCF_EM_OPND_EQ,
  407. TCF_EM_OPND_GT,
  408. TCF_EM_OPND_LT
  409. };
  410. #endif