include/linux/pkt_cls.h - maze/iproute2 - Git at Google

 #ifndef __LINUX_PKT_CLS_H
 #define __LINUX_PKT_CLS_H

 #include <linux/types.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_RXHASH,
 	__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)


 /* Cgroup classifier */

 enum {
 	TCA_CGROUP_UNSPEC,
 	TCA_CGROUP_ACT,
 	TCA_CGROUP_POLICE,
 	TCA_CGROUP_EMATCHES,
 	__TCA_CGROUP_MAX,
 };

 #define TCA_CGROUP_MAX (__TCA_CGROUP_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_CANID		7
 #define	TCF_EM_IPSET		8
 #define	TCF_EM_MAX		8

 enum {
 	TCF_EM_PROG_TC
 };

 enum {
 	TCF_EM_OPND_EQ,
 	TCF_EM_OPND_GT,
 	TCF_EM_OPND_LT
 };

 #endif
	#ifndef __LINUX_PKT_CLS_H
	#define __LINUX_PKT_CLS_H

	#include <linux/types.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_RXHASH,
	__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)


	/* Cgroup classifier */

	enum {
	TCA_CGROUP_UNSPEC,
	TCA_CGROUP_ACT,
	TCA_CGROUP_POLICE,
	TCA_CGROUP_EMATCHES,
	__TCA_CGROUP_MAX,
	};

	#define TCA_CGROUP_MAX (__TCA_CGROUP_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_CANID 7
	#define TCF_EM_IPSET 8
	#define TCF_EM_MAX 8

	enum {
	TCF_EM_PROG_TC
	};

	enum {
	TCF_EM_OPND_EQ,
	TCF_EM_OPND_GT,
	TCF_EM_OPND_LT
	};

	#endif