613 lines
13 KiB
C
613 lines
13 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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#ifndef __LINUX_PKT_CLS_H
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#define __LINUX_PKT_CLS_H
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#include <linux/types.h>
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#include <linux/pkt_sched.h>
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#define TC_COOKIE_MAX_SIZE 16
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/* Action attributes */
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enum {
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TCA_ACT_UNSPEC,
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TCA_ACT_KIND,
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TCA_ACT_OPTIONS,
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TCA_ACT_INDEX,
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TCA_ACT_STATS,
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TCA_ACT_PAD,
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TCA_ACT_COOKIE,
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__TCA_ACT_MAX
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};
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#define TCA_ACT_MAX __TCA_ACT_MAX
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#define TCA_OLD_COMPAT (TCA_ACT_MAX+1)
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#define TCA_ACT_MAX_PRIO 32
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#define TCA_ACT_BIND 1
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#define TCA_ACT_NOBIND 0
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#define TCA_ACT_UNBIND 1
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#define TCA_ACT_NOUNBIND 0
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#define TCA_ACT_REPLACE 1
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#define TCA_ACT_NOREPLACE 0
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#define TC_ACT_UNSPEC (-1)
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#define TC_ACT_OK 0
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#define TC_ACT_RECLASSIFY 1
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#define TC_ACT_SHOT 2
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#define TC_ACT_PIPE 3
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#define TC_ACT_STOLEN 4
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#define TC_ACT_QUEUED 5
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#define TC_ACT_REPEAT 6
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#define TC_ACT_REDIRECT 7
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#define TC_ACT_TRAP 8 /* For hw path, this means "trap to cpu"
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* and don't further process the frame
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* in hardware. For sw path, this is
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* equivalent of TC_ACT_STOLEN - drop
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* the skb and act like everything
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* is alright.
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*/
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#define TC_ACT_VALUE_MAX TC_ACT_TRAP
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/* There is a special kind of actions called "extended actions",
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* which need a value parameter. These have a local opcode located in
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* the highest nibble, starting from 1. The rest of the bits
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* are used to carry the value. These two parts together make
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* a combined opcode.
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*/
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#define __TC_ACT_EXT_SHIFT 28
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#define __TC_ACT_EXT(local) ((local) << __TC_ACT_EXT_SHIFT)
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#define TC_ACT_EXT_VAL_MASK ((1 << __TC_ACT_EXT_SHIFT) - 1)
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#define TC_ACT_EXT_OPCODE(combined) ((combined) & (~TC_ACT_EXT_VAL_MASK))
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#define TC_ACT_EXT_CMP(combined, opcode) (TC_ACT_EXT_OPCODE(combined) == opcode)
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#define TC_ACT_JUMP __TC_ACT_EXT(1)
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#define TC_ACT_GOTO_CHAIN __TC_ACT_EXT(2)
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#define TC_ACT_EXT_OPCODE_MAX TC_ACT_GOTO_CHAIN
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/* Action type identifiers*/
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enum {
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TCA_ID_UNSPEC=0,
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TCA_ID_POLICE=1,
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/* other actions go here */
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__TCA_ID_MAX=255
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};
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#define TCA_ID_MAX __TCA_ID_MAX
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struct tc_police {
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__u32 index;
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int action;
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#define TC_POLICE_UNSPEC TC_ACT_UNSPEC
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#define TC_POLICE_OK TC_ACT_OK
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#define TC_POLICE_RECLASSIFY TC_ACT_RECLASSIFY
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#define TC_POLICE_SHOT TC_ACT_SHOT
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#define TC_POLICE_PIPE TC_ACT_PIPE
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__u32 limit;
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__u32 burst;
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__u32 mtu;
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struct tc_ratespec rate;
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struct tc_ratespec peakrate;
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int refcnt;
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int bindcnt;
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__u32 capab;
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};
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struct tcf_t {
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__u64 install;
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__u64 lastuse;
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__u64 expires;
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__u64 firstuse;
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};
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struct tc_cnt {
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int refcnt;
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int bindcnt;
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};
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#define tc_gen \
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__u32 index; \
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__u32 capab; \
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int action; \
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int refcnt; \
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int bindcnt
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enum {
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TCA_POLICE_UNSPEC,
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TCA_POLICE_TBF,
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TCA_POLICE_RATE,
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TCA_POLICE_PEAKRATE,
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TCA_POLICE_AVRATE,
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TCA_POLICE_RESULT,
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TCA_POLICE_TM,
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TCA_POLICE_PAD,
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__TCA_POLICE_MAX
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#define TCA_POLICE_RESULT TCA_POLICE_RESULT
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};
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#define TCA_POLICE_MAX (__TCA_POLICE_MAX - 1)
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/* tca flags definitions */
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#define TCA_CLS_FLAGS_SKIP_HW (1 << 0) /* don't offload filter to HW */
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#define TCA_CLS_FLAGS_SKIP_SW (1 << 1) /* don't use filter in SW */
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#define TCA_CLS_FLAGS_IN_HW (1 << 2) /* filter is offloaded to HW */
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#define TCA_CLS_FLAGS_NOT_IN_HW (1 << 3) /* filter isn't offloaded to HW */
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#define TCA_CLS_FLAGS_VERBOSE (1 << 4) /* verbose logging */
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/* U32 filters */
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#define TC_U32_HTID(h) ((h)&0xFFF00000)
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#define TC_U32_USERHTID(h) (TC_U32_HTID(h)>>20)
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#define TC_U32_HASH(h) (((h)>>12)&0xFF)
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#define TC_U32_NODE(h) ((h)&0xFFF)
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#define TC_U32_KEY(h) ((h)&0xFFFFF)
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#define TC_U32_UNSPEC 0
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#define TC_U32_ROOT (0xFFF00000)
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enum {
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TCA_U32_UNSPEC,
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TCA_U32_CLASSID,
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TCA_U32_HASH,
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TCA_U32_LINK,
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TCA_U32_DIVISOR,
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TCA_U32_SEL,
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TCA_U32_POLICE,
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TCA_U32_ACT,
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TCA_U32_INDEV,
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TCA_U32_PCNT,
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TCA_U32_MARK,
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TCA_U32_FLAGS,
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TCA_U32_PAD,
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__TCA_U32_MAX
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};
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#define TCA_U32_MAX (__TCA_U32_MAX - 1)
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struct tc_u32_key {
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__be32 mask;
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__be32 val;
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int off;
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int offmask;
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};
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struct tc_u32_sel {
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unsigned char flags;
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unsigned char offshift;
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unsigned char nkeys;
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__be16 offmask;
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__u16 off;
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short offoff;
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short hoff;
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__be32 hmask;
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struct tc_u32_key keys[0];
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};
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struct tc_u32_mark {
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__u32 val;
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__u32 mask;
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__u32 success;
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};
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struct tc_u32_pcnt {
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__u64 rcnt;
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__u64 rhit;
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__u64 kcnts[0];
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};
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/* Flags */
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#define TC_U32_TERMINAL 1
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#define TC_U32_OFFSET 2
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#define TC_U32_VAROFFSET 4
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#define TC_U32_EAT 8
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#define TC_U32_MAXDEPTH 8
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/* RSVP filter */
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enum {
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TCA_RSVP_UNSPEC,
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TCA_RSVP_CLASSID,
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TCA_RSVP_DST,
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TCA_RSVP_SRC,
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TCA_RSVP_PINFO,
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TCA_RSVP_POLICE,
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TCA_RSVP_ACT,
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__TCA_RSVP_MAX
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};
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#define TCA_RSVP_MAX (__TCA_RSVP_MAX - 1 )
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struct tc_rsvp_gpi {
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__u32 key;
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__u32 mask;
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int offset;
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};
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struct tc_rsvp_pinfo {
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struct tc_rsvp_gpi dpi;
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struct tc_rsvp_gpi spi;
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__u8 protocol;
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__u8 tunnelid;
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__u8 tunnelhdr;
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__u8 pad;
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};
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/* ROUTE filter */
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enum {
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TCA_ROUTE4_UNSPEC,
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TCA_ROUTE4_CLASSID,
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TCA_ROUTE4_TO,
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TCA_ROUTE4_FROM,
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TCA_ROUTE4_IIF,
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TCA_ROUTE4_POLICE,
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TCA_ROUTE4_ACT,
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__TCA_ROUTE4_MAX
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};
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#define TCA_ROUTE4_MAX (__TCA_ROUTE4_MAX - 1)
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/* FW filter */
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enum {
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TCA_FW_UNSPEC,
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TCA_FW_CLASSID,
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TCA_FW_POLICE,
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TCA_FW_INDEV, /* used by CONFIG_NET_CLS_IND */
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TCA_FW_ACT, /* used by CONFIG_NET_CLS_ACT */
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TCA_FW_MASK,
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__TCA_FW_MAX
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};
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#define TCA_FW_MAX (__TCA_FW_MAX - 1)
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/* TC index filter */
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enum {
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TCA_TCINDEX_UNSPEC,
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TCA_TCINDEX_HASH,
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TCA_TCINDEX_MASK,
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TCA_TCINDEX_SHIFT,
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TCA_TCINDEX_FALL_THROUGH,
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TCA_TCINDEX_CLASSID,
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TCA_TCINDEX_POLICE,
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TCA_TCINDEX_ACT,
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__TCA_TCINDEX_MAX
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};
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#define TCA_TCINDEX_MAX (__TCA_TCINDEX_MAX - 1)
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/* Flow filter */
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enum {
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FLOW_KEY_SRC,
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FLOW_KEY_DST,
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FLOW_KEY_PROTO,
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FLOW_KEY_PROTO_SRC,
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FLOW_KEY_PROTO_DST,
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FLOW_KEY_IIF,
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FLOW_KEY_PRIORITY,
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FLOW_KEY_MARK,
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FLOW_KEY_NFCT,
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FLOW_KEY_NFCT_SRC,
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FLOW_KEY_NFCT_DST,
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FLOW_KEY_NFCT_PROTO_SRC,
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FLOW_KEY_NFCT_PROTO_DST,
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FLOW_KEY_RTCLASSID,
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FLOW_KEY_SKUID,
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FLOW_KEY_SKGID,
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FLOW_KEY_VLAN_TAG,
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FLOW_KEY_RXHASH,
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__FLOW_KEY_MAX,
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};
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#define FLOW_KEY_MAX (__FLOW_KEY_MAX - 1)
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enum {
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FLOW_MODE_MAP,
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FLOW_MODE_HASH,
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};
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enum {
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TCA_FLOW_UNSPEC,
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TCA_FLOW_KEYS,
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TCA_FLOW_MODE,
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TCA_FLOW_BASECLASS,
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TCA_FLOW_RSHIFT,
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TCA_FLOW_ADDEND,
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TCA_FLOW_MASK,
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TCA_FLOW_XOR,
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TCA_FLOW_DIVISOR,
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TCA_FLOW_ACT,
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TCA_FLOW_POLICE,
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TCA_FLOW_EMATCHES,
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TCA_FLOW_PERTURB,
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__TCA_FLOW_MAX
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};
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#define TCA_FLOW_MAX (__TCA_FLOW_MAX - 1)
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/* Basic filter */
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enum {
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TCA_BASIC_UNSPEC,
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TCA_BASIC_CLASSID,
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TCA_BASIC_EMATCHES,
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TCA_BASIC_ACT,
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TCA_BASIC_POLICE,
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__TCA_BASIC_MAX
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};
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#define TCA_BASIC_MAX (__TCA_BASIC_MAX - 1)
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/* Cgroup classifier */
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enum {
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TCA_CGROUP_UNSPEC,
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TCA_CGROUP_ACT,
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TCA_CGROUP_POLICE,
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TCA_CGROUP_EMATCHES,
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__TCA_CGROUP_MAX,
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};
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#define TCA_CGROUP_MAX (__TCA_CGROUP_MAX - 1)
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/* BPF classifier */
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#define TCA_BPF_FLAG_ACT_DIRECT (1 << 0)
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enum {
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TCA_BPF_UNSPEC,
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TCA_BPF_ACT,
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TCA_BPF_POLICE,
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TCA_BPF_CLASSID,
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TCA_BPF_OPS_LEN,
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TCA_BPF_OPS,
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TCA_BPF_FD,
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TCA_BPF_NAME,
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TCA_BPF_FLAGS,
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TCA_BPF_FLAGS_GEN,
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TCA_BPF_TAG,
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TCA_BPF_ID,
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__TCA_BPF_MAX,
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};
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#define TCA_BPF_MAX (__TCA_BPF_MAX - 1)
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/* Flower classifier */
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enum {
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TCA_FLOWER_UNSPEC,
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TCA_FLOWER_CLASSID,
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TCA_FLOWER_INDEV,
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TCA_FLOWER_ACT,
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TCA_FLOWER_KEY_ETH_DST, /* ETH_ALEN */
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TCA_FLOWER_KEY_ETH_DST_MASK, /* ETH_ALEN */
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TCA_FLOWER_KEY_ETH_SRC, /* ETH_ALEN */
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TCA_FLOWER_KEY_ETH_SRC_MASK, /* ETH_ALEN */
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TCA_FLOWER_KEY_ETH_TYPE, /* be16 */
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TCA_FLOWER_KEY_IP_PROTO, /* u8 */
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TCA_FLOWER_KEY_IPV4_SRC, /* be32 */
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TCA_FLOWER_KEY_IPV4_SRC_MASK, /* be32 */
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TCA_FLOWER_KEY_IPV4_DST, /* be32 */
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TCA_FLOWER_KEY_IPV4_DST_MASK, /* be32 */
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TCA_FLOWER_KEY_IPV6_SRC, /* struct in6_addr */
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TCA_FLOWER_KEY_IPV6_SRC_MASK, /* struct in6_addr */
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TCA_FLOWER_KEY_IPV6_DST, /* struct in6_addr */
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TCA_FLOWER_KEY_IPV6_DST_MASK, /* struct in6_addr */
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TCA_FLOWER_KEY_TCP_SRC, /* be16 */
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TCA_FLOWER_KEY_TCP_DST, /* be16 */
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TCA_FLOWER_KEY_UDP_SRC, /* be16 */
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TCA_FLOWER_KEY_UDP_DST, /* be16 */
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TCA_FLOWER_FLAGS,
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TCA_FLOWER_KEY_VLAN_ID, /* be16 */
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TCA_FLOWER_KEY_VLAN_PRIO, /* u8 */
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TCA_FLOWER_KEY_VLAN_ETH_TYPE, /* be16 */
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TCA_FLOWER_KEY_ENC_KEY_ID, /* be32 */
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TCA_FLOWER_KEY_ENC_IPV4_SRC, /* be32 */
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TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK,/* be32 */
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TCA_FLOWER_KEY_ENC_IPV4_DST, /* be32 */
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TCA_FLOWER_KEY_ENC_IPV4_DST_MASK,/* be32 */
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TCA_FLOWER_KEY_ENC_IPV6_SRC, /* struct in6_addr */
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TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK,/* struct in6_addr */
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TCA_FLOWER_KEY_ENC_IPV6_DST, /* struct in6_addr */
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TCA_FLOWER_KEY_ENC_IPV6_DST_MASK,/* struct in6_addr */
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TCA_FLOWER_KEY_TCP_SRC_MASK, /* be16 */
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TCA_FLOWER_KEY_TCP_DST_MASK, /* be16 */
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TCA_FLOWER_KEY_UDP_SRC_MASK, /* be16 */
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TCA_FLOWER_KEY_UDP_DST_MASK, /* be16 */
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TCA_FLOWER_KEY_SCTP_SRC_MASK, /* be16 */
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TCA_FLOWER_KEY_SCTP_DST_MASK, /* be16 */
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TCA_FLOWER_KEY_SCTP_SRC, /* be16 */
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TCA_FLOWER_KEY_SCTP_DST, /* be16 */
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TCA_FLOWER_KEY_ENC_UDP_SRC_PORT, /* be16 */
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TCA_FLOWER_KEY_ENC_UDP_SRC_PORT_MASK, /* be16 */
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TCA_FLOWER_KEY_ENC_UDP_DST_PORT, /* be16 */
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TCA_FLOWER_KEY_ENC_UDP_DST_PORT_MASK, /* be16 */
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TCA_FLOWER_KEY_FLAGS, /* be32 */
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TCA_FLOWER_KEY_FLAGS_MASK, /* be32 */
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TCA_FLOWER_KEY_ICMPV4_CODE, /* u8 */
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TCA_FLOWER_KEY_ICMPV4_CODE_MASK,/* u8 */
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TCA_FLOWER_KEY_ICMPV4_TYPE, /* u8 */
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TCA_FLOWER_KEY_ICMPV4_TYPE_MASK,/* u8 */
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TCA_FLOWER_KEY_ICMPV6_CODE, /* u8 */
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TCA_FLOWER_KEY_ICMPV6_CODE_MASK,/* u8 */
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TCA_FLOWER_KEY_ICMPV6_TYPE, /* u8 */
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TCA_FLOWER_KEY_ICMPV6_TYPE_MASK,/* u8 */
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TCA_FLOWER_KEY_ARP_SIP, /* be32 */
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TCA_FLOWER_KEY_ARP_SIP_MASK, /* be32 */
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TCA_FLOWER_KEY_ARP_TIP, /* be32 */
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TCA_FLOWER_KEY_ARP_TIP_MASK, /* be32 */
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TCA_FLOWER_KEY_ARP_OP, /* u8 */
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TCA_FLOWER_KEY_ARP_OP_MASK, /* u8 */
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TCA_FLOWER_KEY_ARP_SHA, /* ETH_ALEN */
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TCA_FLOWER_KEY_ARP_SHA_MASK, /* ETH_ALEN */
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TCA_FLOWER_KEY_ARP_THA, /* ETH_ALEN */
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TCA_FLOWER_KEY_ARP_THA_MASK, /* ETH_ALEN */
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TCA_FLOWER_KEY_MPLS_TTL, /* u8 - 8 bits */
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TCA_FLOWER_KEY_MPLS_BOS, /* u8 - 1 bit */
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TCA_FLOWER_KEY_MPLS_TC, /* u8 - 3 bits */
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TCA_FLOWER_KEY_MPLS_LABEL, /* be32 - 20 bits */
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TCA_FLOWER_KEY_TCP_FLAGS, /* be16 */
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TCA_FLOWER_KEY_TCP_FLAGS_MASK, /* be16 */
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TCA_FLOWER_KEY_IP_TOS, /* u8 */
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TCA_FLOWER_KEY_IP_TOS_MASK, /* u8 */
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TCA_FLOWER_KEY_IP_TTL, /* u8 */
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TCA_FLOWER_KEY_IP_TTL_MASK, /* u8 */
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TCA_FLOWER_KEY_CVLAN_ID, /* be16 */
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TCA_FLOWER_KEY_CVLAN_PRIO, /* u8 */
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TCA_FLOWER_KEY_CVLAN_ETH_TYPE, /* be16 */
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TCA_FLOWER_KEY_ENC_IP_TOS, /* u8 */
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TCA_FLOWER_KEY_ENC_IP_TOS_MASK, /* u8 */
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TCA_FLOWER_KEY_ENC_IP_TTL, /* u8 */
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TCA_FLOWER_KEY_ENC_IP_TTL_MASK, /* u8 */
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TCA_FLOWER_KEY_ENC_OPTS,
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TCA_FLOWER_KEY_ENC_OPTS_MASK,
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|
|
TCA_FLOWER_IN_HW_COUNT,
|
|
|
|
__TCA_FLOWER_MAX,
|
|
};
|
|
|
|
#define TCA_FLOWER_MAX (__TCA_FLOWER_MAX - 1)
|
|
|
|
enum {
|
|
TCA_FLOWER_KEY_ENC_OPTS_UNSPEC,
|
|
TCA_FLOWER_KEY_ENC_OPTS_GENEVE, /* Nested
|
|
* TCA_FLOWER_KEY_ENC_OPT_GENEVE_
|
|
* attributes
|
|
*/
|
|
__TCA_FLOWER_KEY_ENC_OPTS_MAX,
|
|
};
|
|
|
|
#define TCA_FLOWER_KEY_ENC_OPTS_MAX (__TCA_FLOWER_KEY_ENC_OPTS_MAX - 1)
|
|
|
|
enum {
|
|
TCA_FLOWER_KEY_ENC_OPT_GENEVE_UNSPEC,
|
|
TCA_FLOWER_KEY_ENC_OPT_GENEVE_CLASS, /* u16 */
|
|
TCA_FLOWER_KEY_ENC_OPT_GENEVE_TYPE, /* u8 */
|
|
TCA_FLOWER_KEY_ENC_OPT_GENEVE_DATA, /* 4 to 128 bytes */
|
|
|
|
__TCA_FLOWER_KEY_ENC_OPT_GENEVE_MAX,
|
|
};
|
|
|
|
#define TCA_FLOWER_KEY_ENC_OPT_GENEVE_MAX \
|
|
(__TCA_FLOWER_KEY_ENC_OPT_GENEVE_MAX - 1)
|
|
|
|
enum {
|
|
TCA_FLOWER_KEY_FLAGS_IS_FRAGMENT = (1 << 0),
|
|
TCA_FLOWER_KEY_FLAGS_FRAG_IS_FIRST = (1 << 1),
|
|
};
|
|
|
|
/* Match-all classifier */
|
|
|
|
enum {
|
|
TCA_MATCHALL_UNSPEC,
|
|
TCA_MATCHALL_CLASSID,
|
|
TCA_MATCHALL_ACT,
|
|
TCA_MATCHALL_FLAGS,
|
|
__TCA_MATCHALL_MAX,
|
|
};
|
|
|
|
#define TCA_MATCHALL_MAX (__TCA_MATCHALL_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_IPT 9
|
|
#define TCF_EM_MAX 9
|
|
|
|
enum {
|
|
TCF_EM_PROG_TC
|
|
};
|
|
|
|
enum {
|
|
TCF_EM_OPND_EQ,
|
|
TCF_EM_OPND_GT,
|
|
TCF_EM_OPND_LT
|
|
};
|
|
|
|
#endif
|