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- #ifndef __LINUX_PKT_CLS_H
- #define __LINUX_PKT_CLS_H
-
- #include <linux/pkt_sched.h>
-
- /* I think i could have done better macros ; for now this is stolen from
- * some arch/mips code - jhs
- */
- #define _TC_MAKE32(x) ((x))
-
- #define _TC_MAKEMASK1(n) (_TC_MAKE32(1) << _TC_MAKE32(n))
- #define _TC_MAKEMASK(v,n) (_TC_MAKE32((_TC_MAKE32(1)<<(v))-1) << _TC_MAKE32(n))
- #define _TC_MAKEVALUE(v,n) (_TC_MAKE32(v) << _TC_MAKE32(n))
- #define _TC_GETVALUE(v,n,m) ((_TC_MAKE32(v) & _TC_MAKE32(m)) >> _TC_MAKE32(n))
-
- /* verdict bit breakdown
- *
- bit 0: when set -> this packet has been munged already
-
- bit 1: when set -> It is ok to munge this packet
-
- bit 2,3,4,5: Reclassify counter - sort of reverse TTL - if exceeded
- assume loop
-
- bit 6,7: Where this packet was last seen
- 0: Above the transmit example at the socket level
- 1: on the Ingress
- 2: on the Egress
-
- bit 8: when set --> Request not to classify on ingress.
-
- bits 9,10,11: redirect counter - redirect TTL. Loop avoidance
-
- *
- * */
-
- #define TC_MUNGED _TC_MAKEMASK1(0)
- #define SET_TC_MUNGED(v) ( TC_MUNGED | (v & ~TC_MUNGED))
- #define CLR_TC_MUNGED(v) ( v & ~TC_MUNGED)
-
- #define TC_OK2MUNGE _TC_MAKEMASK1(1)
- #define SET_TC_OK2MUNGE(v) ( TC_OK2MUNGE | (v & ~TC_OK2MUNGE))
- #define CLR_TC_OK2MUNGE(v) ( v & ~TC_OK2MUNGE)
-
- #define S_TC_VERD _TC_MAKE32(2)
- #define M_TC_VERD _TC_MAKEMASK(4,S_TC_VERD)
- #define G_TC_VERD(x) _TC_GETVALUE(x,S_TC_VERD,M_TC_VERD)
- #define V_TC_VERD(x) _TC_MAKEVALUE(x,S_TC_VERD)
- #define SET_TC_VERD(v,n) ((V_TC_VERD(n)) | (v & ~M_TC_VERD))
-
- #define S_TC_FROM _TC_MAKE32(6)
- #define M_TC_FROM _TC_MAKEMASK(2,S_TC_FROM)
- #define G_TC_FROM(x) _TC_GETVALUE(x,S_TC_FROM,M_TC_FROM)
- #define V_TC_FROM(x) _TC_MAKEVALUE(x,S_TC_FROM)
- #define SET_TC_FROM(v,n) ((V_TC_FROM(n)) | (v & ~M_TC_FROM))
- #define AT_STACK 0x0
- #define AT_INGRESS 0x1
- #define AT_EGRESS 0x2
-
- #define TC_NCLS _TC_MAKEMASK1(8)
- #define SET_TC_NCLS(v) ( TC_NCLS | (v & ~TC_NCLS))
- #define CLR_TC_NCLS(v) ( v & ~TC_NCLS)
-
- #define S_TC_RTTL _TC_MAKE32(9)
- #define M_TC_RTTL _TC_MAKEMASK(3,S_TC_RTTL)
- #define G_TC_RTTL(x) _TC_GETVALUE(x,S_TC_RTTL,M_TC_RTTL)
- #define V_TC_RTTL(x) _TC_MAKEVALUE(x,S_TC_RTTL)
- #define SET_TC_RTTL(v,n) ((V_TC_RTTL(n)) | (v & ~M_TC_RTTL))
-
- #define S_TC_AT _TC_MAKE32(12)
- #define M_TC_AT _TC_MAKEMASK(2,S_TC_AT)
- #define G_TC_AT(x) _TC_GETVALUE(x,S_TC_AT,M_TC_AT)
- #define V_TC_AT(x) _TC_MAKEVALUE(x,S_TC_AT)
- #define SET_TC_AT(v,n) ((V_TC_AT(n)) | (v & ~M_TC_AT))
-
- /* Action attributes */
- enum
- {
- TCA_ACT_UNSPEC,
- TCA_ACT_KIND,
- TCA_ACT_OPTIONS,
- TCA_ACT_INDEX,
- __TCA_ACT_MAX
- };
-
- #define TCA_ACT_MAX __TCA_ACT_MAX
- #define TCA_OLD_COMPAT (TCA_ACT_MAX+1)
- #define TCA_ACT_MAX_PRIO 32
- #define TCA_ACT_BIND 1
- #define TCA_ACT_NOBIND 0
- #define TCA_ACT_UNBIND 1
- #define TCA_ACT_NOUNBIND 0
- #define TCA_ACT_REPLACE 1
- #define TCA_ACT_NOREPLACE 0
- #define MAX_REC_LOOP 4
- #define MAX_RED_LOOP 4
-
- #define TC_ACT_UNSPEC (-1)
- #define TC_ACT_OK 0
- #define TC_ACT_RECLASSIFY 1
- #define TC_ACT_SHOT 2
- #define TC_ACT_PIPE 3
- #define TC_ACT_STOLEN 4
- #define TC_ACT_QUEUED 5
- #define TC_ACT_REPEAT 6
- #define TC_ACT_JUMP 0x10000000
-
- /* Action type identifiers*/
- enum
- {
- TCA_ID_UNSPEC=0,
- TCA_ID_POLICE=1,
- /* other actions go here */
- __TCA_ID_MAX=255
- };
-
- #define TCA_ID_MAX __TCA_ID_MAX
-
- struct tc_police
- {
- __u32 index;
- int action;
- #define TC_POLICE_UNSPEC TC_ACT_UNSPEC
- #define TC_POLICE_OK TC_ACT_OK
- #define TC_POLICE_RECLASSIFY TC_ACT_RECLASSIFY
- #define TC_POLICE_SHOT TC_ACT_SHOT
- #define TC_POLICE_PIPE TC_ACT_PIPE
-
- __u32 limit;
- __u32 burst;
- __u32 mtu;
- struct tc_ratespec rate;
- struct tc_ratespec peakrate;
- int refcnt;
- int bindcnt;
- __u32 capab;
- };
-
- struct tcf_t
- {
- __u64 install;
- __u64 lastuse;
- __u64 expires;
- };
-
- struct tc_cnt
- {
- int refcnt;
- int bindcnt;
- };
-
- #define tc_gen \
- __u32 index; \
- __u32 capab; \
- int action; \
- int refcnt; \
- int bindcnt
-
- enum
- {
- TCA_POLICE_UNSPEC,
- TCA_POLICE_TBF,
- TCA_POLICE_RATE,
- TCA_POLICE_PEAKRATE,
- TCA_POLICE_AVRATE,
- TCA_POLICE_RESULT,
- __TCA_POLICE_MAX
- #define TCA_POLICE_RESULT TCA_POLICE_RESULT
- };
-
- #define TCA_POLICE_MAX (__TCA_POLICE_MAX - 1)
-
- /* U32 filters */
-
- #define TC_U32_HTID(h) ((h)&0xFFF00000)
- #define TC_U32_USERHTID(h) (TC_U32_HTID(h)>>20)
- #define TC_U32_HASH(h) (((h)>>12)&0xFF)
- #define TC_U32_NODE(h) ((h)&0xFFF)
- #define TC_U32_KEY(h) ((h)&0xFFFFF)
- #define TC_U32_UNSPEC 0
- #define TC_U32_ROOT (0xFFF00000)
-
- enum
- {
- TCA_U32_UNSPEC,
- TCA_U32_CLASSID,
- TCA_U32_HASH,
- TCA_U32_LINK,
- TCA_U32_DIVISOR,
- TCA_U32_SEL,
- TCA_U32_POLICE,
- TCA_U32_ACT,
- TCA_U32_INDEV,
- TCA_U32_PCNT,
- TCA_U32_MARK,
- __TCA_U32_MAX
- };
-
- #define TCA_U32_MAX (__TCA_U32_MAX - 1)
-
- struct tc_u32_key
- {
- __u32 mask;
- __u32 val;
- int off;
- int offmask;
- };
-
- struct tc_u32_sel
- {
- unsigned char flags;
- unsigned char offshift;
- unsigned char nkeys;
-
- __u16 offmask;
- __u16 off;
- short offoff;
-
- short hoff;
- __u32 hmask;
- struct tc_u32_key keys[0];
- };
-
- #ifdef CONFIG_CLS_U32_PERF
- struct tc_u32_pcnt
- {
- __u64 rcnt;
- __u64 rhit;
- __u64 kcnts[0];
- };
- #endif
- /* Flags */
-
- #define TC_U32_TERMINAL 1
- #define TC_U32_OFFSET 2
- #define TC_U32_VAROFFSET 4
- #define TC_U32_EAT 8
-
- #define TC_U32_MAXDEPTH 8
-
-
- /* RSVP filter */
-
- enum
- {
- TCA_RSVP_UNSPEC,
- TCA_RSVP_CLASSID,
- TCA_RSVP_DST,
- TCA_RSVP_SRC,
- TCA_RSVP_PINFO,
- TCA_RSVP_POLICE,
- TCA_RSVP_ACT,
- __TCA_RSVP_MAX
- };
-
- #define TCA_RSVP_MAX (__TCA_RSVP_MAX - 1 )
-
- struct tc_rsvp_gpi
- {
- __u32 key;
- __u32 mask;
- int offset;
- };
-
- struct tc_rsvp_pinfo
- {
- struct tc_rsvp_gpi dpi;
- struct tc_rsvp_gpi spi;
- __u8 protocol;
- __u8 tunnelid;
- __u8 tunnelhdr;
- };
-
- /* ROUTE filter */
-
- enum
- {
- TCA_ROUTE4_UNSPEC,
- TCA_ROUTE4_CLASSID,
- TCA_ROUTE4_TO,
- TCA_ROUTE4_FROM,
- TCA_ROUTE4_IIF,
- TCA_ROUTE4_POLICE,
- TCA_ROUTE4_ACT,
- __TCA_ROUTE4_MAX
- };
-
- #define TCA_ROUTE4_MAX (__TCA_ROUTE4_MAX - 1)
-
-
- /* FW filter */
-
- enum
- {
- TCA_FW_UNSPEC,
- TCA_FW_CLASSID,
- TCA_FW_POLICE,
- TCA_FW_INDEV, /* used by CONFIG_NET_CLS_IND */
- TCA_FW_ACT, /* used by CONFIG_NET_CLS_ACT */
- __TCA_FW_MAX
- };
-
- #define TCA_FW_MAX (__TCA_FW_MAX - 1)
-
- /* TC index filter */
-
- enum
- {
- TCA_TCINDEX_UNSPEC,
- TCA_TCINDEX_HASH,
- TCA_TCINDEX_MASK,
- TCA_TCINDEX_SHIFT,
- TCA_TCINDEX_FALL_THROUGH,
- TCA_TCINDEX_CLASSID,
- TCA_TCINDEX_POLICE,
- TCA_TCINDEX_ACT,
- __TCA_TCINDEX_MAX
- };
-
- #define TCA_TCINDEX_MAX (__TCA_TCINDEX_MAX - 1)
-
- #endif
-