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
;
152 #define TCA_POLICE_RESULT TCA_POLICE_RESULT
155 #define TCA_POLICE_MAX (__TCA_POLICE_MAX - 1)
157 /* tca flags definitions */
158 #define TCA_CLS_FLAGS_SKIP_HW (1 << 0)
159 #define TCA_CLS_FLAGS_SKIP_SW (1 << 1)
163 #define TC_U32_HTID(h) ((h)&0xFFF00000)
164 #define TC_U32_USERHTID(h) (TC_U32_HTID(h)>>20)
165 #define TC_U32_HASH(h) (((h)>>12)&0xFF)
166 #define TC_U32_NODE(h) ((h)&0xFFF)
167 #define TC_U32_KEY(h) ((h)&0xFFFFF)
168 #define TC_U32_UNSPEC 0
169 #define TC_U32_ROOT (0xFFF00000)
188 #define TCA_U32_MAX (__TCA_U32_MAX - 1)
199 unsigned char offshift
;
208 struct tc_u32_key keys
[0];
225 #define TC_U32_TERMINAL 1
226 #define TC_U32_OFFSET 2
227 #define TC_U32_VAROFFSET 4
230 #define TC_U32_MAXDEPTH 8
246 #define TCA_RSVP_MAX (__TCA_RSVP_MAX - 1 )
254 struct tc_rsvp_pinfo
{
255 struct tc_rsvp_gpi dpi
;
256 struct tc_rsvp_gpi spi
;
276 #define TCA_ROUTE4_MAX (__TCA_ROUTE4_MAX - 1)
285 TCA_FW_INDEV
, /* used by CONFIG_NET_CLS_IND */
286 TCA_FW_ACT
, /* used by CONFIG_NET_CLS_ACT */
291 #define TCA_FW_MAX (__TCA_FW_MAX - 1)
293 /* TC index filter */
300 TCA_TCINDEX_FALL_THROUGH
,
307 #define TCA_TCINDEX_MAX (__TCA_TCINDEX_MAX - 1)
323 FLOW_KEY_NFCT_PROTO_SRC
,
324 FLOW_KEY_NFCT_PROTO_DST
,
333 #define FLOW_KEY_MAX (__FLOW_KEY_MAX - 1)
357 #define TCA_FLOW_MAX (__TCA_FLOW_MAX - 1)
370 #define TCA_BASIC_MAX (__TCA_BASIC_MAX - 1)
373 /* Cgroup classifier */
383 #define TCA_CGROUP_MAX (__TCA_CGROUP_MAX - 1)
387 #define TCA_BPF_FLAG_ACT_DIRECT (1 << 0)
404 #define TCA_BPF_MAX (__TCA_BPF_MAX - 1)
406 /* Flower classifier */
413 TCA_FLOWER_KEY_ETH_DST
, /* ETH_ALEN */
414 TCA_FLOWER_KEY_ETH_DST_MASK
, /* ETH_ALEN */
415 TCA_FLOWER_KEY_ETH_SRC
, /* ETH_ALEN */
416 TCA_FLOWER_KEY_ETH_SRC_MASK
, /* ETH_ALEN */
417 TCA_FLOWER_KEY_ETH_TYPE
, /* be16 */
418 TCA_FLOWER_KEY_IP_PROTO
, /* u8 */
419 TCA_FLOWER_KEY_IPV4_SRC
, /* be32 */
420 TCA_FLOWER_KEY_IPV4_SRC_MASK
, /* be32 */
421 TCA_FLOWER_KEY_IPV4_DST
, /* be32 */
422 TCA_FLOWER_KEY_IPV4_DST_MASK
, /* be32 */
423 TCA_FLOWER_KEY_IPV6_SRC
, /* struct in6_addr */
424 TCA_FLOWER_KEY_IPV6_SRC_MASK
, /* struct in6_addr */
425 TCA_FLOWER_KEY_IPV6_DST
, /* struct in6_addr */
426 TCA_FLOWER_KEY_IPV6_DST_MASK
, /* struct in6_addr */
427 TCA_FLOWER_KEY_TCP_SRC
, /* be16 */
428 TCA_FLOWER_KEY_TCP_DST
, /* be16 */
429 TCA_FLOWER_KEY_UDP_SRC
, /* be16 */
430 TCA_FLOWER_KEY_UDP_DST
, /* be16 */
433 TCA_FLOWER_KEY_VLAN_ID
, /* be16 */
434 TCA_FLOWER_KEY_VLAN_PRIO
, /* u8 */
435 TCA_FLOWER_KEY_VLAN_ETH_TYPE
, /* be16 */
437 TCA_FLOWER_KEY_ENC_KEY_ID
, /* be32 */
438 TCA_FLOWER_KEY_ENC_IPV4_SRC
, /* be32 */
439 TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK
,/* be32 */
440 TCA_FLOWER_KEY_ENC_IPV4_DST
, /* be32 */
441 TCA_FLOWER_KEY_ENC_IPV4_DST_MASK
,/* be32 */
442 TCA_FLOWER_KEY_ENC_IPV6_SRC
, /* struct in6_addr */
443 TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK
,/* struct in6_addr */
444 TCA_FLOWER_KEY_ENC_IPV6_DST
, /* struct in6_addr */
445 TCA_FLOWER_KEY_ENC_IPV6_DST_MASK
,/* struct in6_addr */
447 TCA_FLOWER_KEY_TCP_SRC_MASK
, /* be16 */
448 TCA_FLOWER_KEY_TCP_DST_MASK
, /* be16 */
449 TCA_FLOWER_KEY_UDP_SRC_MASK
, /* be16 */
450 TCA_FLOWER_KEY_UDP_DST_MASK
, /* be16 */
451 TCA_FLOWER_KEY_SCTP_SRC_MASK
, /* be16 */
452 TCA_FLOWER_KEY_SCTP_DST_MASK
, /* be16 */
454 TCA_FLOWER_KEY_SCTP_SRC
, /* be16 */
455 TCA_FLOWER_KEY_SCTP_DST
, /* be16 */
457 TCA_FLOWER_KEY_ENC_UDP_SRC_PORT
, /* be16 */
458 TCA_FLOWER_KEY_ENC_UDP_SRC_PORT_MASK
, /* be16 */
459 TCA_FLOWER_KEY_ENC_UDP_DST_PORT
, /* be16 */
460 TCA_FLOWER_KEY_ENC_UDP_DST_PORT_MASK
, /* be16 */
462 TCA_FLOWER_KEY_FLAGS
, /* be32 */
463 TCA_FLOWER_KEY_FLAGS_MASK
, /* be32 */
465 TCA_FLOWER_KEY_ICMPV4_CODE
, /* u8 */
466 TCA_FLOWER_KEY_ICMPV4_CODE_MASK
,/* u8 */
467 TCA_FLOWER_KEY_ICMPV4_TYPE
, /* u8 */
468 TCA_FLOWER_KEY_ICMPV4_TYPE_MASK
,/* u8 */
469 TCA_FLOWER_KEY_ICMPV6_CODE
, /* u8 */
470 TCA_FLOWER_KEY_ICMPV6_CODE_MASK
,/* u8 */
471 TCA_FLOWER_KEY_ICMPV6_TYPE
, /* u8 */
472 TCA_FLOWER_KEY_ICMPV6_TYPE_MASK
,/* u8 */
477 #define TCA_FLOWER_MAX (__TCA_FLOWER_MAX - 1)
480 TCA_FLOWER_KEY_FLAGS_IS_FRAGMENT
= (1 << 0),
483 /* Match-all classifier */
487 TCA_MATCHALL_CLASSID
,
493 #define TCA_MATCHALL_MAX (__TCA_MATCHALL_MAX - 1)
495 /* Extended Matches */
497 struct tcf_ematch_tree_hdr
{
503 TCA_EMATCH_TREE_UNSPEC
,
505 TCA_EMATCH_TREE_LIST
,
506 __TCA_EMATCH_TREE_MAX
508 #define TCA_EMATCH_TREE_MAX (__TCA_EMATCH_TREE_MAX - 1)
510 struct tcf_ematch_hdr
{
514 __u16 pad
; /* currently unused */
518 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
519 * +-----------------------+-+-+---+
521 * +-----------------------+-+-+---+
523 * R(2) ::= relation to next ematch
524 * where: 0 0 END (last ematch)
527 * 1 1 Unused (invalid)
528 * I(1) ::= invert result
529 * S(1) ::= simple payload
531 #define TCF_EM_REL_END 0
532 #define TCF_EM_REL_AND (1<<0)
533 #define TCF_EM_REL_OR (1<<1)
534 #define TCF_EM_INVERT (1<<2)
535 #define TCF_EM_SIMPLE (1<<3)
537 #define TCF_EM_REL_MASK 3
538 #define TCF_EM_REL_VALID(v) (((v) & TCF_EM_REL_MASK) != TCF_EM_REL_MASK)
546 #define TCF_LAYER_MAX (__TCF_LAYER_MAX - 1)
548 /* Ematch type assignments
549 * 1..32767 Reserved for ematches inside kernel tree
550 * 32768..65535 Free to use, not reliable
552 #define TCF_EM_CONTAINER 0
554 #define TCF_EM_NBYTE 2
556 #define TCF_EM_META 4
557 #define TCF_EM_TEXT 5
558 #define TCF_EM_VLAN 6
559 #define TCF_EM_CANID 7
560 #define TCF_EM_IPSET 8