1 #ifndef __LINUX_PKT_CLS_H
2 #define __LINUX_PKT_CLS_H
4 #include <linux/types.h>
5 #include <linux/pkt_sched.h>
8 /* I think i could have done better macros ; for now this is stolen from
9 * some arch/mips code - jhs
11 #define _TC_MAKE32(x) ((x))
13 #define _TC_MAKEMASK1(n) (_TC_MAKE32(1) << _TC_MAKE32(n))
14 #define _TC_MAKEMASK(v,n) (_TC_MAKE32((_TC_MAKE32(1)<<(v))-1) << _TC_MAKE32(n))
15 #define _TC_MAKEVALUE(v,n) (_TC_MAKE32(v) << _TC_MAKE32(n))
16 #define _TC_GETVALUE(v,n,m) ((_TC_MAKE32(v) & _TC_MAKE32(m)) >> _TC_MAKE32(n))
18 /* verdict bit breakdown
20 bit 0: when set -> this packet has been munged already
22 bit 1: when set -> It is ok to munge this packet
24 bit 2,3,4,5: Reclassify counter - sort of reverse TTL - if exceeded
27 bit 6,7: Where this packet was last seen
28 0: Above the transmit example at the socket level
32 bit 8: when set --> Request not to classify on ingress.
34 bits 9,10,11: redirect counter - redirect TTL. Loop avoidance
39 #define S_TC_FROM _TC_MAKE32(6)
40 #define M_TC_FROM _TC_MAKEMASK(2,S_TC_FROM)
41 #define G_TC_FROM(x) _TC_GETVALUE(x,S_TC_FROM,M_TC_FROM)
42 #define V_TC_FROM(x) _TC_MAKEVALUE(x,S_TC_FROM)
43 #define SET_TC_FROM(v,n) ((V_TC_FROM(n)) | (v & ~M_TC_FROM))
45 #define AT_INGRESS 0x1
48 #define TC_NCLS _TC_MAKEMASK1(8)
49 #define SET_TC_NCLS(v) ( TC_NCLS | (v & ~TC_NCLS))
50 #define CLR_TC_NCLS(v) ( v & ~TC_NCLS)
52 #define S_TC_AT _TC_MAKE32(12)
53 #define M_TC_AT _TC_MAKEMASK(2,S_TC_AT)
54 #define G_TC_AT(x) _TC_GETVALUE(x,S_TC_AT,M_TC_AT)
55 #define V_TC_AT(x) _TC_MAKEVALUE(x,S_TC_AT)
56 #define SET_TC_AT(v,n) ((V_TC_AT(n)) | (v & ~M_TC_AT))
58 #define MAX_REC_LOOP 4
59 #define MAX_RED_LOOP 4
62 /* Action attributes */
72 #define TCA_ACT_MAX __TCA_ACT_MAX
73 #define TCA_OLD_COMPAT (TCA_ACT_MAX+1)
74 #define TCA_ACT_MAX_PRIO 32
75 #define TCA_ACT_BIND 1
76 #define TCA_ACT_NOBIND 0
77 #define TCA_ACT_UNBIND 1
78 #define TCA_ACT_NOUNBIND 0
79 #define TCA_ACT_REPLACE 1
80 #define TCA_ACT_NOREPLACE 0
82 #define TC_ACT_UNSPEC (-1)
84 #define TC_ACT_RECLASSIFY 1
87 #define TC_ACT_STOLEN 4
88 #define TC_ACT_QUEUED 5
89 #define TC_ACT_REPEAT 6
90 #define TC_ACT_JUMP 0x10000000
92 /* Action type identifiers*/
96 /* other actions go here */
100 #define TCA_ID_MAX __TCA_ID_MAX
105 #define TC_POLICE_UNSPEC TC_ACT_UNSPEC
106 #define TC_POLICE_OK TC_ACT_OK
107 #define TC_POLICE_RECLASSIFY TC_ACT_RECLASSIFY
108 #define TC_POLICE_SHOT TC_ACT_SHOT
109 #define TC_POLICE_PIPE TC_ACT_PIPE
114 struct tc_ratespec rate;
115 struct tc_ratespec peakrate;
147 #define TCA_POLICE_RESULT TCA_POLICE_RESULT
150 #define TCA_POLICE_MAX (__TCA_POLICE_MAX - 1)
154 #define TC_U32_HTID(h) ((h)&0xFFF00000)
155 #define TC_U32_USERHTID(h) (TC_U32_HTID(h)>>20)
156 #define TC_U32_HASH(h) (((h)>>12)&0xFF)
157 #define TC_U32_NODE(h) ((h)&0xFFF)
158 #define TC_U32_KEY(h) ((h)&0xFFFFF)
159 #define TC_U32_UNSPEC 0
160 #define TC_U32_ROOT (0xFFF00000)
177 #define TCA_U32_MAX (__TCA_U32_MAX - 1)
188 unsigned char offshift;
197 struct tc_u32_key keys[0];
214 #define TC_U32_TERMINAL 1
215 #define TC_U32_OFFSET 2
216 #define TC_U32_VAROFFSET 4
219 #define TC_U32_MAXDEPTH 8
235 #define TCA_RSVP_MAX (__TCA_RSVP_MAX - 1 )
243 struct tc_rsvp_pinfo {
244 struct tc_rsvp_gpi dpi;
245 struct tc_rsvp_gpi spi;
265 #define TCA_ROUTE4_MAX (__TCA_ROUTE4_MAX - 1)
274 TCA_FW_INDEV, /* used by CONFIG_NET_CLS_IND */
275 TCA_FW_ACT, /* used by CONFIG_NET_CLS_ACT */
280 #define TCA_FW_MAX (__TCA_FW_MAX - 1)
282 /* TC index filter */
289 TCA_TCINDEX_FALL_THROUGH,
296 #define TCA_TCINDEX_MAX (__TCA_TCINDEX_MAX - 1)
312 FLOW_KEY_NFCT_PROTO_SRC,
313 FLOW_KEY_NFCT_PROTO_DST,
322 #define FLOW_KEY_MAX (__FLOW_KEY_MAX - 1)
346 #define TCA_FLOW_MAX (__TCA_FLOW_MAX - 1)
359 #define TCA_BASIC_MAX (__TCA_BASIC_MAX - 1)
362 /* Cgroup classifier */
372 #define TCA_CGROUP_MAX (__TCA_CGROUP_MAX - 1)
388 #define TCA_BPF_MAX (__TCA_BPF_MAX - 1)
390 /* Flower classifier */
397 TCA_FLOWER_KEY_ETH_DST, /* ETH_ALEN */
398 TCA_FLOWER_KEY_ETH_DST_MASK, /* ETH_ALEN */
399 TCA_FLOWER_KEY_ETH_SRC, /* ETH_ALEN */
400 TCA_FLOWER_KEY_ETH_SRC_MASK, /* ETH_ALEN */
401 TCA_FLOWER_KEY_ETH_TYPE, /* be16 */
402 TCA_FLOWER_KEY_IP_PROTO, /* u8 */
403 TCA_FLOWER_KEY_IPV4_SRC, /* be32 */
404 TCA_FLOWER_KEY_IPV4_SRC_MASK, /* be32 */
405 TCA_FLOWER_KEY_IPV4_DST, /* be32 */
406 TCA_FLOWER_KEY_IPV4_DST_MASK, /* be32 */
407 TCA_FLOWER_KEY_IPV6_SRC, /* struct in6_addr */
408 TCA_FLOWER_KEY_IPV6_SRC_MASK, /* struct in6_addr */
409 TCA_FLOWER_KEY_IPV6_DST, /* struct in6_addr */
410 TCA_FLOWER_KEY_IPV6_DST_MASK, /* struct in6_addr */
411 TCA_FLOWER_KEY_TCP_SRC, /* be16 */
412 TCA_FLOWER_KEY_TCP_DST, /* be16 */
413 TCA_FLOWER_KEY_UDP_SRC, /* be16 */
414 TCA_FLOWER_KEY_UDP_DST, /* be16 */
418 #define TCA_FLOWER_MAX (__TCA_FLOWER_MAX - 1)
420 /* Extended Matches */
422 struct tcf_ematch_tree_hdr {
428 TCA_EMATCH_TREE_UNSPEC,
430 TCA_EMATCH_TREE_LIST,
431 __TCA_EMATCH_TREE_MAX
433 #define TCA_EMATCH_TREE_MAX (__TCA_EMATCH_TREE_MAX - 1)
435 struct tcf_ematch_hdr {
439 __u16 pad; /* currently unused */
443 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
444 * +-----------------------+-+-+---+
446 * +-----------------------+-+-+---+
448 * R(2) ::= relation to next ematch
449 * where: 0 0 END (last ematch)
452 * 1 1 Unused (invalid)
453 * I(1) ::= invert result
454 * S(1) ::= simple payload
456 #define TCF_EM_REL_END 0
457 #define TCF_EM_REL_AND (1<<0)
458 #define TCF_EM_REL_OR (1<<1)
459 #define TCF_EM_INVERT (1<<2)
460 #define TCF_EM_SIMPLE (1<<3)
462 #define TCF_EM_REL_MASK 3
463 #define TCF_EM_REL_VALID(v) (((v) & TCF_EM_REL_MASK) != TCF_EM_REL_MASK)
471 #define TCF_LAYER_MAX (__TCF_LAYER_MAX - 1)
473 /* Ematch type assignments
474 * 1..32767 Reserved for ematches inside kernel tree
475 * 32768..65535 Free to use, not reliable
477 #define TCF_EM_CONTAINER 0
479 #define TCF_EM_NBYTE 2
481 #define TCF_EM_META 4
482 #define TCF_EM_TEXT 5
483 #define TCF_EM_VLAN 6
484 #define TCF_EM_CANID 7
485 #define TCF_EM_IPSET 8