#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_MAX		6

  enum {

  	TCF_EM_PROG_TC
  };

  enum {

  	TCF_EM_OPND_EQ,
  	TCF_EM_OPND_GT,
  	TCF_EM_OPND_LT
  };
  
  #endif