X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Flinux%2Fpkt_cls.h;h=9abc5b5a925caba7a918b1cbeed441a8d4427c56;hb=9bf4aaab3e101692164d49b7ca357651eb691cb6;hp=f54111f9d14cd549322be6c4371ac5f9bc688bae;hpb=db216c3d5e4c040e557a50f8f5d35d5c415e8c1c;p=linux-2.6.git diff --git a/include/linux/pkt_cls.h b/include/linux/pkt_cls.h index f54111f9d..9abc5b5a9 100644 --- a/include/linux/pkt_cls.h +++ b/include/linux/pkt_cls.h @@ -1,22 +1,159 @@ #ifndef __LINUX_PKT_CLS_H #define __LINUX_PKT_CLS_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 (-1) -#define TC_POLICE_OK 0 -#define TC_POLICE_RECLASSIFY 1 -#define TC_POLICE_SHOT 2 +#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 +{ + __u32 install; + __u32 lastuse; + __u32 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, @@ -25,8 +162,8 @@ enum TCA_POLICE_PEAKRATE, TCA_POLICE_AVRATE, TCA_POLICE_RESULT, -#define TCA_POLICE_RESULT TCA_POLICE_RESULT __TCA_POLICE_MAX +#define TCA_POLICE_RESULT TCA_POLICE_RESULT }; #define TCA_POLICE_MAX (__TCA_POLICE_MAX - 1) @@ -50,6 +187,9 @@ enum TCA_U32_DIVISOR, TCA_U32_SEL, TCA_U32_POLICE, + TCA_U32_ACT, + TCA_U32_INDEV, + TCA_U32_PCNT, __TCA_U32_MAX }; @@ -75,10 +215,17 @@ struct tc_u32_sel 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 @@ -102,7 +249,7 @@ enum __TCA_RSVP_MAX }; -#define TCA_RSVP_MAX (__TCA_RSVP_MAX - 1) +#define TCA_RSVP_MAX (__TCA_RSVP_MAX - 1 ) struct tc_rsvp_gpi { @@ -143,6 +290,8 @@ 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 }; @@ -162,6 +311,6 @@ enum __TCA_TCINDEX_MAX }; -#define TCA_TCINDEX_MAX (__TCA_TCINDEX_MAX - 1) +#define TCA_TCINDEX_MAX (__TCA_TCINDEX_MAX - 1) #endif