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#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_MAX              5

enum

{

        TCF_EM_PROG_TC

};

enum

{

        TCF_EM_OPND_EQ,

        TCF_EM_OPND_GT,

        TCF_EM_OPND_LT

};

#endif