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 */
73 #define TCA_ACT_MAX __TCA_ACT_MAX
74 #define TCA_OLD_COMPAT (TCA_ACT_MAX+1)
75 #define TCA_ACT_MAX_PRIO 32
76 #define TCA_ACT_BIND 1
77 #define TCA_ACT_NOBIND 0
78 #define TCA_ACT_UNBIND 1
79 #define TCA_ACT_NOUNBIND 0
80 #define TCA_ACT_REPLACE 1
81 #define TCA_ACT_NOREPLACE 0
83 #define TC_ACT_UNSPEC (-1)
85 #define TC_ACT_RECLASSIFY 1
88 #define TC_ACT_STOLEN 4
89 #define TC_ACT_QUEUED 5
90 #define TC_ACT_REPEAT 6
91 #define TC_ACT_REDIRECT 7
92 #define TC_ACT_JUMP 0x10000000
94 /* Action type identifiers*/
98 /* other actions go here */
102 #define TCA_ID_MAX __TCA_ID_MAX
107 #define TC_POLICE_UNSPEC TC_ACT_UNSPEC
108 #define TC_POLICE_OK TC_ACT_OK
109 #define TC_POLICE_RECLASSIFY TC_ACT_RECLASSIFY
110 #define TC_POLICE_SHOT TC_ACT_SHOT
111 #define TC_POLICE_PIPE TC_ACT_PIPE
116 struct tc_ratespec rate;
117 struct tc_ratespec peakrate;
149 #define TCA_POLICE_RESULT TCA_POLICE_RESULT
152 #define TCA_POLICE_MAX (__TCA_POLICE_MAX - 1)
154 /* tca flags definitions */
155 #define TCA_CLS_FLAGS_SKIP_HW (1 << 0)
156 #define TCA_CLS_FLAGS_SKIP_SW (1 << 1)
160 #define TC_U32_HTID(h) ((h)&0xFFF00000)
161 #define TC_U32_USERHTID(h) (TC_U32_HTID(h)>>20)
162 #define TC_U32_HASH(h) (((h)>>12)&0xFF)
163 #define TC_U32_NODE(h) ((h)&0xFFF)
164 #define TC_U32_KEY(h) ((h)&0xFFFFF)
165 #define TC_U32_UNSPEC 0
166 #define TC_U32_ROOT (0xFFF00000)
185 #define TCA_U32_MAX (__TCA_U32_MAX - 1)
196 unsigned char offshift;
205 struct tc_u32_key keys[0];
222 #define TC_U32_TERMINAL 1
223 #define TC_U32_OFFSET 2
224 #define TC_U32_VAROFFSET 4
227 #define TC_U32_MAXDEPTH 8
243 #define TCA_RSVP_MAX (__TCA_RSVP_MAX - 1 )
251 struct tc_rsvp_pinfo {
252 struct tc_rsvp_gpi dpi;
253 struct tc_rsvp_gpi spi;
273 #define TCA_ROUTE4_MAX (__TCA_ROUTE4_MAX - 1)
282 TCA_FW_INDEV, /* used by CONFIG_NET_CLS_IND */
283 TCA_FW_ACT, /* used by CONFIG_NET_CLS_ACT */
288 #define TCA_FW_MAX (__TCA_FW_MAX - 1)
290 /* TC index filter */
297 TCA_TCINDEX_FALL_THROUGH,
304 #define TCA_TCINDEX_MAX (__TCA_TCINDEX_MAX - 1)
320 FLOW_KEY_NFCT_PROTO_SRC,
321 FLOW_KEY_NFCT_PROTO_DST,
330 #define FLOW_KEY_MAX (__FLOW_KEY_MAX - 1)
354 #define TCA_FLOW_MAX (__TCA_FLOW_MAX - 1)
367 #define TCA_BASIC_MAX (__TCA_BASIC_MAX - 1)
370 /* Cgroup classifier */
380 #define TCA_CGROUP_MAX (__TCA_CGROUP_MAX - 1)
384 #define TCA_BPF_FLAG_ACT_DIRECT (1 << 0)
399 #define TCA_BPF_MAX (__TCA_BPF_MAX - 1)
401 /* Flower classifier */
408 TCA_FLOWER_KEY_ETH_DST, /* ETH_ALEN */
409 TCA_FLOWER_KEY_ETH_DST_MASK, /* ETH_ALEN */
410 TCA_FLOWER_KEY_ETH_SRC, /* ETH_ALEN */
411 TCA_FLOWER_KEY_ETH_SRC_MASK, /* ETH_ALEN */
412 TCA_FLOWER_KEY_ETH_TYPE, /* be16 */
413 TCA_FLOWER_KEY_IP_PROTO, /* u8 */
414 TCA_FLOWER_KEY_IPV4_SRC, /* be32 */
415 TCA_FLOWER_KEY_IPV4_SRC_MASK, /* be32 */
416 TCA_FLOWER_KEY_IPV4_DST, /* be32 */
417 TCA_FLOWER_KEY_IPV4_DST_MASK, /* be32 */
418 TCA_FLOWER_KEY_IPV6_SRC, /* struct in6_addr */
419 TCA_FLOWER_KEY_IPV6_SRC_MASK, /* struct in6_addr */
420 TCA_FLOWER_KEY_IPV6_DST, /* struct in6_addr */
421 TCA_FLOWER_KEY_IPV6_DST_MASK, /* struct in6_addr */
422 TCA_FLOWER_KEY_TCP_SRC, /* be16 */
423 TCA_FLOWER_KEY_TCP_DST, /* be16 */
424 TCA_FLOWER_KEY_UDP_SRC, /* be16 */
425 TCA_FLOWER_KEY_UDP_DST, /* be16 */
431 #define TCA_FLOWER_MAX (__TCA_FLOWER_MAX - 1)
433 /* Extended Matches */
435 struct tcf_ematch_tree_hdr {
441 TCA_EMATCH_TREE_UNSPEC,
443 TCA_EMATCH_TREE_LIST,
444 __TCA_EMATCH_TREE_MAX
446 #define TCA_EMATCH_TREE_MAX (__TCA_EMATCH_TREE_MAX - 1)
448 struct tcf_ematch_hdr {
452 __u16 pad; /* currently unused */
456 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
457 * +-----------------------+-+-+---+
459 * +-----------------------+-+-+---+
461 * R(2) ::= relation to next ematch
462 * where: 0 0 END (last ematch)
465 * 1 1 Unused (invalid)
466 * I(1) ::= invert result
467 * S(1) ::= simple payload
469 #define TCF_EM_REL_END 0
470 #define TCF_EM_REL_AND (1<<0)
471 #define TCF_EM_REL_OR (1<<1)
472 #define TCF_EM_INVERT (1<<2)
473 #define TCF_EM_SIMPLE (1<<3)
475 #define TCF_EM_REL_MASK 3
476 #define TCF_EM_REL_VALID(v) (((v) & TCF_EM_REL_MASK) != TCF_EM_REL_MASK)
484 #define TCF_LAYER_MAX (__TCF_LAYER_MAX - 1)
486 /* Ematch type assignments
487 * 1..32767 Reserved for ematches inside kernel tree
488 * 32768..65535 Free to use, not reliable
490 #define TCF_EM_CONTAINER 0
492 #define TCF_EM_NBYTE 2
494 #define TCF_EM_META 4
495 #define TCF_EM_TEXT 5
496 #define TCF_EM_VLAN 6
497 #define TCF_EM_CANID 7
498 #define TCF_EM_IPSET 8