1 #ifndef __LINUX_PKT_CLS_H
2 #define __LINUX_PKT_CLS_H
4 #include <linux/pkt_sched.h>
6 /* I think i could have done better macros ; for now this is stolen from
7 * some arch/mips code - jhs
9 #define _TC_MAKE32(x) ((x))
11 #define _TC_MAKEMASK1(n) (_TC_MAKE32(1) << _TC_MAKE32(n))
12 #define _TC_MAKEMASK(v,n) (_TC_MAKE32((_TC_MAKE32(1)<<(v))-1) << _TC_MAKE32(n))
13 #define _TC_MAKEVALUE(v,n) (_TC_MAKE32(v) << _TC_MAKE32(n))
14 #define _TC_GETVALUE(v,n,m) ((_TC_MAKE32(v) & _TC_MAKE32(m)) >> _TC_MAKE32(n))
16 /* verdict bit breakdown
18 bit 0: when set -> this packet has been munged already
20 bit 1: when set -> It is ok to munge this packet
22 bit 2,3,4,5: Reclassify counter - sort of reverse TTL - if exceeded
25 bit 6,7: Where this packet was last seen
26 0: Above the transmit example at the socket level
30 bit 8: when set --> Request not to classify on ingress.
32 bits 9,10,11: redirect counter - redirect TTL. Loop avoidance
37 #define TC_MUNGED _TC_MAKEMASK1(0)
38 #define SET_TC_MUNGED(v) ( TC_MUNGED | (v & ~TC_MUNGED))
39 #define CLR_TC_MUNGED(v) ( v & ~TC_MUNGED)
41 #define TC_OK2MUNGE _TC_MAKEMASK1(1)
42 #define SET_TC_OK2MUNGE(v) ( TC_OK2MUNGE | (v & ~TC_OK2MUNGE))
43 #define CLR_TC_OK2MUNGE(v) ( v & ~TC_OK2MUNGE)
45 #define S_TC_VERD _TC_MAKE32(2)
46 #define M_TC_VERD _TC_MAKEMASK(4,S_TC_VERD)
47 #define G_TC_VERD(x) _TC_GETVALUE(x,S_TC_VERD,M_TC_VERD)
48 #define V_TC_VERD(x) _TC_MAKEVALUE(x,S_TC_VERD)
49 #define SET_TC_VERD(v,n) ((V_TC_VERD(n)) | (v & ~M_TC_VERD))
51 #define S_TC_FROM _TC_MAKE32(6)
52 #define M_TC_FROM _TC_MAKEMASK(2,S_TC_FROM)
53 #define G_TC_FROM(x) _TC_GETVALUE(x,S_TC_FROM,M_TC_FROM)
54 #define V_TC_FROM(x) _TC_MAKEVALUE(x,S_TC_FROM)
55 #define SET_TC_FROM(v,n) ((V_TC_FROM(n)) | (v & ~M_TC_FROM))
57 #define AT_INGRESS 0x1
60 #define TC_NCLS _TC_MAKEMASK1(8)
61 #define SET_TC_NCLS(v) ( TC_NCLS | (v & ~TC_NCLS))
62 #define CLR_TC_NCLS(v) ( v & ~TC_NCLS)
64 #define S_TC_RTTL _TC_MAKE32(9)
65 #define M_TC_RTTL _TC_MAKEMASK(3,S_TC_RTTL)
66 #define G_TC_RTTL(x) _TC_GETVALUE(x,S_TC_RTTL,M_TC_RTTL)
67 #define V_TC_RTTL(x) _TC_MAKEVALUE(x,S_TC_RTTL)
68 #define SET_TC_RTTL(v,n) ((V_TC_RTTL(n)) | (v & ~M_TC_RTTL))
70 #define S_TC_AT _TC_MAKE32(12)
71 #define M_TC_AT _TC_MAKEMASK(2,S_TC_AT)
72 #define G_TC_AT(x) _TC_GETVALUE(x,S_TC_AT,M_TC_AT)
73 #define V_TC_AT(x) _TC_MAKEVALUE(x,S_TC_AT)
74 #define SET_TC_AT(v,n) ((V_TC_AT(n)) | (v & ~M_TC_AT))
76 /* Action attributes */
86 #define TCA_ACT_MAX __TCA_ACT_MAX
87 #define TCA_OLD_COMPAT (TCA_ACT_MAX+1)
88 #define TCA_ACT_MAX_PRIO 32
89 #define TCA_ACT_BIND 1
90 #define TCA_ACT_NOBIND 0
91 #define TCA_ACT_UNBIND 1
92 #define TCA_ACT_NOUNBIND 0
93 #define TCA_ACT_REPLACE 1
94 #define TCA_ACT_NOREPLACE 0
95 #define MAX_REC_LOOP 4
96 #define MAX_RED_LOOP 4
98 #define TC_ACT_UNSPEC (-1)
100 #define TC_ACT_RECLASSIFY 1
101 #define TC_ACT_SHOT 2
102 #define TC_ACT_PIPE 3
103 #define TC_ACT_STOLEN 4
104 #define TC_ACT_QUEUED 5
105 #define TC_ACT_REPEAT 6
106 #define TC_ACT_JUMP 0x10000000
108 /* Action type identifiers*/
113 /* other actions go here */
117 #define TCA_ID_MAX __TCA_ID_MAX
123 #define TC_POLICE_UNSPEC TC_ACT_UNSPEC
124 #define TC_POLICE_OK TC_ACT_OK
125 #define TC_POLICE_RECLASSIFY TC_ACT_RECLASSIFY
126 #define TC_POLICE_SHOT TC_ACT_SHOT
127 #define TC_POLICE_PIPE TC_ACT_PIPE
132 struct tc_ratespec rate;
133 struct tc_ratespec peakrate;
168 #define TCA_POLICE_RESULT TCA_POLICE_RESULT
171 #define TCA_POLICE_MAX (__TCA_POLICE_MAX - 1)
175 #define TC_U32_HTID(h) ((h)&0xFFF00000)
176 #define TC_U32_USERHTID(h) (TC_U32_HTID(h)>>20)
177 #define TC_U32_HASH(h) (((h)>>12)&0xFF)
178 #define TC_U32_NODE(h) ((h)&0xFFF)
179 #define TC_U32_KEY(h) ((h)&0xFFFFF)
180 #define TC_U32_UNSPEC 0
181 #define TC_U32_ROOT (0xFFF00000)
199 #define TCA_U32_MAX (__TCA_U32_MAX - 1)
212 unsigned char offshift;
221 struct tc_u32_key keys[0];
224 #ifdef CONFIG_CLS_U32_PERF
234 #define TC_U32_TERMINAL 1
235 #define TC_U32_OFFSET 2
236 #define TC_U32_VAROFFSET 4
239 #define TC_U32_MAXDEPTH 8
256 #define TCA_RSVP_MAX (__TCA_RSVP_MAX - 1 )
267 struct tc_rsvp_gpi dpi;
268 struct tc_rsvp_gpi spi;
288 #define TCA_ROUTE4_MAX (__TCA_ROUTE4_MAX - 1)
298 TCA_FW_INDEV, /* used by CONFIG_NET_CLS_IND */
299 TCA_FW_ACT, /* used by CONFIG_NET_CLS_ACT */
303 #define TCA_FW_MAX (__TCA_FW_MAX - 1)
305 /* TC index filter */
313 TCA_TCINDEX_FALL_THROUGH,
320 #define TCA_TCINDEX_MAX (__TCA_TCINDEX_MAX - 1)