1 #ifndef __LINUX_PKT_CLS_H
2 #define __LINUX_PKT_CLS_H
4 #include <linux/types.h>
5 #include <linux/pkt_sched.h>
7 /* I think i could have done better macros ; for now this is stolen from
8 * some arch/mips code - jhs
10 #define _TC_MAKE32(x) ((x))
12 #define _TC_MAKEMASK1(n) (_TC_MAKE32(1) << _TC_MAKE32(n))
13 #define _TC_MAKEMASK(v,n) (_TC_MAKE32((_TC_MAKE32(1)<<(v))-1) << _TC_MAKE32(n))
14 #define _TC_MAKEVALUE(v,n) (_TC_MAKE32(v) << _TC_MAKE32(n))
15 #define _TC_GETVALUE(v,n,m) ((_TC_MAKE32(v) & _TC_MAKE32(m)) >> _TC_MAKE32(n))
17 /* verdict bit breakdown
19 bit 0: when set -> this packet has been munged already
21 bit 1: when set -> It is ok to munge this packet
23 bit 2,3,4,5: Reclassify counter - sort of reverse TTL - if exceeded
26 bit 6,7: Where this packet was last seen
27 0: Above the transmit example at the socket level
31 bit 8: when set --> Request not to classify on ingress.
33 bits 9,10,11: redirect counter - redirect TTL. Loop avoidance
39 /* backwards compat for userspace only */
40 #define TC_MUNGED _TC_MAKEMASK1(0)
41 #define SET_TC_MUNGED(v) ( TC_MUNGED | (v & ~TC_MUNGED))
42 #define CLR_TC_MUNGED(v) ( v & ~TC_MUNGED)
44 #define TC_OK2MUNGE _TC_MAKEMASK1(1)
45 #define SET_TC_OK2MUNGE(v) ( TC_OK2MUNGE | (v & ~TC_OK2MUNGE))
46 #define CLR_TC_OK2MUNGE(v) ( v & ~TC_OK2MUNGE)
48 #define S_TC_VERD _TC_MAKE32(2)
49 #define M_TC_VERD _TC_MAKEMASK(4,S_TC_VERD)
50 #define G_TC_VERD(x) _TC_GETVALUE(x,S_TC_VERD,M_TC_VERD)
51 #define V_TC_VERD(x) _TC_MAKEVALUE(x,S_TC_VERD)
52 #define SET_TC_VERD(v,n) ((V_TC_VERD(n)) | (v & ~M_TC_VERD))
55 #define S_TC_FROM _TC_MAKE32(6)
56 #define M_TC_FROM _TC_MAKEMASK(2,S_TC_FROM)
57 #define G_TC_FROM(x) _TC_GETVALUE(x,S_TC_FROM,M_TC_FROM)
58 #define V_TC_FROM(x) _TC_MAKEVALUE(x,S_TC_FROM)
59 #define SET_TC_FROM(v,n) ((V_TC_FROM(n)) | (v & ~M_TC_FROM))
61 #define AT_INGRESS 0x1
64 #define TC_NCLS _TC_MAKEMASK1(8)
65 #define SET_TC_NCLS(v) ( TC_NCLS | (v & ~TC_NCLS))
66 #define CLR_TC_NCLS(v) ( v & ~TC_NCLS)
69 #define S_TC_RTTL _TC_MAKE32(9)
70 #define M_TC_RTTL _TC_MAKEMASK(3,S_TC_RTTL)
71 #define G_TC_RTTL(x) _TC_GETVALUE(x,S_TC_RTTL,M_TC_RTTL)
72 #define V_TC_RTTL(x) _TC_MAKEVALUE(x,S_TC_RTTL)
73 #define SET_TC_RTTL(v,n) ((V_TC_RTTL(n)) | (v & ~M_TC_RTTL))
76 #define S_TC_AT _TC_MAKE32(12)
77 #define M_TC_AT _TC_MAKEMASK(2,S_TC_AT)
78 #define G_TC_AT(x) _TC_GETVALUE(x,S_TC_AT,M_TC_AT)
79 #define V_TC_AT(x) _TC_MAKEVALUE(x,S_TC_AT)
80 #define SET_TC_AT(v,n) ((V_TC_AT(n)) | (v & ~M_TC_AT))
82 /* Action attributes */
92 #define TCA_ACT_MAX __TCA_ACT_MAX
93 #define TCA_OLD_COMPAT (TCA_ACT_MAX+1)
94 #define TCA_ACT_MAX_PRIO 32
95 #define TCA_ACT_BIND 1
96 #define TCA_ACT_NOBIND 0
97 #define TCA_ACT_UNBIND 1
98 #define TCA_ACT_NOUNBIND 0
99 #define TCA_ACT_REPLACE 1
100 #define TCA_ACT_NOREPLACE 0
101 #define MAX_REC_LOOP 4
102 #define MAX_RED_LOOP 4
104 #define TC_ACT_UNSPEC (-1)
106 #define TC_ACT_RECLASSIFY 1
107 #define TC_ACT_SHOT 2
108 #define TC_ACT_PIPE 3
109 #define TC_ACT_STOLEN 4
110 #define TC_ACT_QUEUED 5
111 #define TC_ACT_REPEAT 6
112 #define TC_ACT_JUMP 0x10000000
114 /* Action type identifiers*/
118 /* other actions go here */
122 #define TCA_ID_MAX __TCA_ID_MAX
127 #define TC_POLICE_UNSPEC TC_ACT_UNSPEC
128 #define TC_POLICE_OK TC_ACT_OK
129 #define TC_POLICE_RECLASSIFY TC_ACT_RECLASSIFY
130 #define TC_POLICE_SHOT TC_ACT_SHOT
131 #define TC_POLICE_PIPE TC_ACT_PIPE
136 struct tc_ratespec rate;
137 struct tc_ratespec peakrate;
169 #define TCA_POLICE_RESULT TCA_POLICE_RESULT
172 #define TCA_POLICE_MAX (__TCA_POLICE_MAX - 1)
176 #define TC_U32_HTID(h) ((h)&0xFFF00000)
177 #define TC_U32_USERHTID(h) (TC_U32_HTID(h)>>20)
178 #define TC_U32_HASH(h) (((h)>>12)&0xFF)
179 #define TC_U32_NODE(h) ((h)&0xFFF)
180 #define TC_U32_KEY(h) ((h)&0xFFFFF)
181 #define TC_U32_UNSPEC 0
182 #define TC_U32_ROOT (0xFFF00000)
199 #define TCA_U32_MAX (__TCA_U32_MAX - 1)
210 unsigned char offshift;
219 struct tc_u32_key keys[0];
236 #define TC_U32_TERMINAL 1
237 #define TC_U32_OFFSET 2
238 #define TC_U32_VAROFFSET 4
241 #define TC_U32_MAXDEPTH 8
257 #define TCA_RSVP_MAX (__TCA_RSVP_MAX - 1 )
265 struct tc_rsvp_pinfo {
266 struct tc_rsvp_gpi dpi;
267 struct tc_rsvp_gpi spi;
287 #define TCA_ROUTE4_MAX (__TCA_ROUTE4_MAX - 1)
296 TCA_FW_INDEV, /* used by CONFIG_NET_CLS_IND */
297 TCA_FW_ACT, /* used by CONFIG_NET_CLS_ACT */
302 #define TCA_FW_MAX (__TCA_FW_MAX - 1)
304 /* TC index filter */
311 TCA_TCINDEX_FALL_THROUGH,
318 #define TCA_TCINDEX_MAX (__TCA_TCINDEX_MAX - 1)
334 FLOW_KEY_NFCT_PROTO_SRC,
335 FLOW_KEY_NFCT_PROTO_DST,
344 #define FLOW_KEY_MAX (__FLOW_KEY_MAX - 1)
368 #define TCA_FLOW_MAX (__TCA_FLOW_MAX - 1)
381 #define TCA_BASIC_MAX (__TCA_BASIC_MAX - 1)
384 /* Cgroup classifier */
394 #define TCA_CGROUP_MAX (__TCA_CGROUP_MAX - 1)
410 #define TCA_BPF_MAX (__TCA_BPF_MAX - 1)
412 /* Flower classifier */
419 TCA_FLOWER_KEY_ETH_DST, /* ETH_ALEN */
420 TCA_FLOWER_KEY_ETH_DST_MASK, /* ETH_ALEN */
421 TCA_FLOWER_KEY_ETH_SRC, /* ETH_ALEN */
422 TCA_FLOWER_KEY_ETH_SRC_MASK, /* ETH_ALEN */
423 TCA_FLOWER_KEY_ETH_TYPE, /* be16 */
424 TCA_FLOWER_KEY_IP_PROTO, /* u8 */
425 TCA_FLOWER_KEY_IPV4_SRC, /* be32 */
426 TCA_FLOWER_KEY_IPV4_SRC_MASK, /* be32 */
427 TCA_FLOWER_KEY_IPV4_DST, /* be32 */
428 TCA_FLOWER_KEY_IPV4_DST_MASK, /* be32 */
429 TCA_FLOWER_KEY_IPV6_SRC, /* struct in6_addr */
430 TCA_FLOWER_KEY_IPV6_SRC_MASK, /* struct in6_addr */
431 TCA_FLOWER_KEY_IPV6_DST, /* struct in6_addr */
432 TCA_FLOWER_KEY_IPV6_DST_MASK, /* struct in6_addr */
433 TCA_FLOWER_KEY_TCP_SRC, /* be16 */
434 TCA_FLOWER_KEY_TCP_DST, /* be16 */
435 TCA_FLOWER_KEY_UDP_SRC, /* be16 */
436 TCA_FLOWER_KEY_UDP_DST, /* be16 */
440 #define TCA_FLOWER_MAX (__TCA_FLOWER_MAX - 1)
442 /* Extended Matches */
444 struct tcf_ematch_tree_hdr {
450 TCA_EMATCH_TREE_UNSPEC,
452 TCA_EMATCH_TREE_LIST,
453 __TCA_EMATCH_TREE_MAX
455 #define TCA_EMATCH_TREE_MAX (__TCA_EMATCH_TREE_MAX - 1)
457 struct tcf_ematch_hdr {
461 __u16 pad; /* currently unused */
465 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
466 * +-----------------------+-+-+---+
468 * +-----------------------+-+-+---+
470 * R(2) ::= relation to next ematch
471 * where: 0 0 END (last ematch)
474 * 1 1 Unused (invalid)
475 * I(1) ::= invert result
476 * S(1) ::= simple payload
478 #define TCF_EM_REL_END 0
479 #define TCF_EM_REL_AND (1<<0)
480 #define TCF_EM_REL_OR (1<<1)
481 #define TCF_EM_INVERT (1<<2)
482 #define TCF_EM_SIMPLE (1<<3)
484 #define TCF_EM_REL_MASK 3
485 #define TCF_EM_REL_VALID(v) (((v) & TCF_EM_REL_MASK) != TCF_EM_REL_MASK)
493 #define TCF_LAYER_MAX (__TCF_LAYER_MAX - 1)
495 /* Ematch type assignments
496 * 1..32767 Reserved for ematches inside kernel tree
497 * 32768..65535 Free to use, not reliable
499 #define TCF_EM_CONTAINER 0
501 #define TCF_EM_NBYTE 2
503 #define TCF_EM_META 4
504 #define TCF_EM_TEXT 5
505 #define TCF_EM_VLAN 6
506 #define TCF_EM_CANID 7
507 #define TCF_EM_IPSET 8