You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
494 lines
9.1 KiB
494 lines
9.1 KiB
#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_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
|
|
|