| #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_STATS, |
| __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]; |
| }; |
| |
| struct tc_u32_mark |
| { |
| __u32 val; |
| __u32 mask; |
| __u32 success; |
| }; |
| |
| struct tc_u32_pcnt |
| { |
| __u64 rcnt; |
| __u64 rhit; |
| __u64 kcnts[0]; |
| }; |
| |
| /* 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; |
| __u8 pad; |
| }; |
| |
| /* 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_MASK, |
| __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) |
| |
| /* Basic filter */ |
| |
| enum |
| { |
| TCA_BASIC_UNSPEC, |
| TCA_BASIC_CLASSID, |
| TCA_BASIC_EMATCHES, |
| TCA_BASIC_ACT, |
| TCA_BASIC_POLICE, |
| __TCA_BASIC_MAX |
| }; |
| |
| #define TCA_BASIC_MAX (__TCA_BASIC_MAX - 1) |
| |
| /* Extended Matches */ |
| |
| struct tcf_ematch_tree_hdr |
| { |
| __u16 nmatches; |
| __u16 progid; |
| }; |
| |
| enum |
| { |
| TCA_EMATCH_TREE_UNSPEC, |
| TCA_EMATCH_TREE_HDR, |
| TCA_EMATCH_TREE_LIST, |
| __TCA_EMATCH_TREE_MAX |
| }; |
| #define TCA_EMATCH_TREE_MAX (__TCA_EMATCH_TREE_MAX - 1) |
| |
| struct tcf_ematch_hdr |
| { |
| __u16 matchid; |
| __u16 kind; |
| __u16 flags; |
| __u16 pad; /* currently unused */ |
| }; |
| |
| /* 0 1 |
| * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 |
| * +-----------------------+-+-+---+ |
| * | Unused |S|I| R | |
| * +-----------------------+-+-+---+ |
| * |
| * R(2) ::= relation to next ematch |
| * where: 0 0 END (last ematch) |
| * 0 1 AND |
| * 1 0 OR |
| * 1 1 Unused (invalid) |
| * I(1) ::= invert result |
| * S(1) ::= simple payload |
| */ |
| #define TCF_EM_REL_END 0 |
| #define TCF_EM_REL_AND (1<<0) |
| #define TCF_EM_REL_OR (1<<1) |
| #define TCF_EM_INVERT (1<<2) |
| #define TCF_EM_SIMPLE (1<<3) |
| |
| #define TCF_EM_REL_MASK 3 |
| #define TCF_EM_REL_VALID(v) (((v) & TCF_EM_REL_MASK) != TCF_EM_REL_MASK) |
| |
| enum |
| { |
| TCF_LAYER_LINK, |
| TCF_LAYER_NETWORK, |
| TCF_LAYER_TRANSPORT, |
| __TCF_LAYER_MAX |
| }; |
| #define TCF_LAYER_MAX (__TCF_LAYER_MAX - 1) |
| |
| /* Ematch type assignments |
| * 1..32767 Reserved for ematches inside kernel tree |
| * 32768..65535 Free to use, not reliable |
| */ |
| #define TCF_EM_CONTAINER 0 |
| #define TCF_EM_CMP 1 |
| #define TCF_EM_NBYTE 2 |
| #define TCF_EM_U32 3 |
| #define TCF_EM_META 4 |
| #define TCF_EM_TEXT 5 |
| #define TCF_EM_VLAN 6 |
| #define TCF_EM_MAX 6 |
| |
| enum |
| { |
| TCF_EM_PROG_TC |
| }; |
| |
| enum |
| { |
| TCF_EM_OPND_EQ, |
| TCF_EM_OPND_GT, |
| TCF_EM_OPND_LT |
| }; |
| |
| #endif |