|  | #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 | 
|  | { | 
|  | __be32		mask; | 
|  | __be32		val; | 
|  | int		off; | 
|  | int		offmask; | 
|  | }; | 
|  |  | 
|  | struct tc_u32_sel | 
|  | { | 
|  | unsigned char		flags; | 
|  | unsigned char		offshift; | 
|  | unsigned char		nkeys; | 
|  |  | 
|  | __be16			offmask; | 
|  | __u16			off; | 
|  | short			offoff; | 
|  |  | 
|  | short			hoff; | 
|  | __be32			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) | 
|  |  | 
|  | /* Flow filter */ | 
|  |  | 
|  | enum | 
|  | { | 
|  | FLOW_KEY_SRC, | 
|  | FLOW_KEY_DST, | 
|  | FLOW_KEY_PROTO, | 
|  | FLOW_KEY_PROTO_SRC, | 
|  | FLOW_KEY_PROTO_DST, | 
|  | FLOW_KEY_IIF, | 
|  | FLOW_KEY_PRIORITY, | 
|  | FLOW_KEY_MARK, | 
|  | FLOW_KEY_NFCT, | 
|  | FLOW_KEY_NFCT_SRC, | 
|  | FLOW_KEY_NFCT_DST, | 
|  | FLOW_KEY_NFCT_PROTO_SRC, | 
|  | FLOW_KEY_NFCT_PROTO_DST, | 
|  | FLOW_KEY_RTCLASSID, | 
|  | FLOW_KEY_SKUID, | 
|  | FLOW_KEY_SKGID, | 
|  | FLOW_KEY_VLAN_TAG, | 
|  | __FLOW_KEY_MAX, | 
|  | }; | 
|  |  | 
|  | #define FLOW_KEY_MAX	(__FLOW_KEY_MAX - 1) | 
|  |  | 
|  | enum | 
|  | { | 
|  | FLOW_MODE_MAP, | 
|  | FLOW_MODE_HASH, | 
|  | }; | 
|  |  | 
|  | enum | 
|  | { | 
|  | TCA_FLOW_UNSPEC, | 
|  | TCA_FLOW_KEYS, | 
|  | TCA_FLOW_MODE, | 
|  | TCA_FLOW_BASECLASS, | 
|  | TCA_FLOW_RSHIFT, | 
|  | TCA_FLOW_ADDEND, | 
|  | TCA_FLOW_MASK, | 
|  | TCA_FLOW_XOR, | 
|  | TCA_FLOW_DIVISOR, | 
|  | TCA_FLOW_ACT, | 
|  | TCA_FLOW_POLICE, | 
|  | TCA_FLOW_EMATCHES, | 
|  | TCA_FLOW_PERTURB, | 
|  | __TCA_FLOW_MAX | 
|  | }; | 
|  |  | 
|  | #define TCA_FLOW_MAX	(__TCA_FLOW_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 |