fedora core 6 1.2949 + vserver 2.2.0
[linux-2.6.git] / include / linux / pkt_cls.h
index f54111f..c3f01b3 100644 (file)
 #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       (-1)
-#define TC_POLICE_OK           0
-#define TC_POLICE_RECLASSIFY   1
-#define TC_POLICE_SHOT         2
+#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,
@@ -25,8 +165,8 @@ enum
        TCA_POLICE_PEAKRATE,
        TCA_POLICE_AVRATE,
        TCA_POLICE_RESULT,
-#define TCA_POLICE_RESULT TCA_POLICE_RESULT
        __TCA_POLICE_MAX
+#define TCA_POLICE_RESULT TCA_POLICE_RESULT
 };
 
 #define TCA_POLICE_MAX (__TCA_POLICE_MAX - 1)
@@ -50,6 +190,10 @@ enum
        TCA_U32_DIVISOR,
        TCA_U32_SEL,
        TCA_U32_POLICE,
+       TCA_U32_ACT,   
+       TCA_U32_INDEV,
+       TCA_U32_PCNT,
+       TCA_U32_MARK,
        __TCA_U32_MAX
 };
 
@@ -75,10 +219,23 @@ struct tc_u32_sel
 
        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
@@ -99,10 +256,11 @@ enum
        TCA_RSVP_SRC,
        TCA_RSVP_PINFO,
        TCA_RSVP_POLICE,
+       TCA_RSVP_ACT,
        __TCA_RSVP_MAX
 };
 
-#define TCA_RSVP_MAX (__TCA_RSVP_MAX - 1)
+#define TCA_RSVP_MAX (__TCA_RSVP_MAX - 1 )
 
 struct tc_rsvp_gpi
 {
@@ -118,6 +276,7 @@ struct tc_rsvp_pinfo
        __u8    protocol;
        __u8    tunnelid;
        __u8    tunnelhdr;
+       __u8    pad;
 };
 
 /* ROUTE filter */
@@ -130,6 +289,7 @@ enum
        TCA_ROUTE4_FROM,
        TCA_ROUTE4_IIF,
        TCA_ROUTE4_POLICE,
+       TCA_ROUTE4_ACT,
        __TCA_ROUTE4_MAX
 };
 
@@ -143,6 +303,9 @@ 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
 };
 
@@ -159,9 +322,108 @@ enum
        TCA_TCINDEX_FALL_THROUGH,
        TCA_TCINDEX_CLASSID,
        TCA_TCINDEX_POLICE,
+       TCA_TCINDEX_ACT,
        __TCA_TCINDEX_MAX
 };
 
-#define TCA_TCINDEX_MAX        (__TCA_TCINDEX_MAX - 1)
+#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
+ */
+enum
+{
+       TCF_EM_CONTAINER,
+       TCF_EM_CMP,
+       TCF_EM_NBYTE,
+       TCF_EM_U32,
+       TCF_EM_META,
+       TCF_EM_TEXT,
+       __TCF_EM_MAX
+};
+
+enum
+{
+       TCF_EM_PROG_TC
+};
+
+enum
+{
+       TCF_EM_OPND_EQ,
+       TCF_EM_OPND_GT,
+       TCF_EM_OPND_LT
+};
 
 #endif