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pkt_cls.h (13270B)


      1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
      2 #ifndef __LINUX_PKT_CLS_H
      3 #define __LINUX_PKT_CLS_H
      4 
      5 #include <linux/types.h>
      6 #include <linux/pkt_sched.h>
      7 
      8 #define TC_COOKIE_MAX_SIZE 16
      9 
     10 /* Action attributes */
     11 enum {
     12 	TCA_ACT_UNSPEC,
     13 	TCA_ACT_KIND,
     14 	TCA_ACT_OPTIONS,
     15 	TCA_ACT_INDEX,
     16 	TCA_ACT_STATS,
     17 	TCA_ACT_PAD,
     18 	TCA_ACT_COOKIE,
     19 	__TCA_ACT_MAX
     20 };
     21 
     22 #define TCA_ACT_MAX __TCA_ACT_MAX
     23 #define TCA_OLD_COMPAT (TCA_ACT_MAX+1)
     24 #define TCA_ACT_MAX_PRIO 32
     25 #define TCA_ACT_BIND	1
     26 #define TCA_ACT_NOBIND	0
     27 #define TCA_ACT_UNBIND	1
     28 #define TCA_ACT_NOUNBIND	0
     29 #define TCA_ACT_REPLACE		1
     30 #define TCA_ACT_NOREPLACE	0
     31 
     32 #define TC_ACT_UNSPEC	(-1)
     33 #define TC_ACT_OK		0
     34 #define TC_ACT_RECLASSIFY	1
     35 #define TC_ACT_SHOT		2
     36 #define TC_ACT_PIPE		3
     37 #define TC_ACT_STOLEN		4
     38 #define TC_ACT_QUEUED		5
     39 #define TC_ACT_REPEAT		6
     40 #define TC_ACT_REDIRECT		7
     41 #define TC_ACT_TRAP		8 /* For hw path, this means "trap to cpu"
     42 				   * and don't further process the frame
     43 				   * in hardware. For sw path, this is
     44 				   * equivalent of TC_ACT_STOLEN - drop
     45 				   * the skb and act like everything
     46 				   * is alright.
     47 				   */
     48 #define TC_ACT_VALUE_MAX	TC_ACT_TRAP
     49 
     50 /* There is a special kind of actions called "extended actions",
     51  * which need a value parameter. These have a local opcode located in
     52  * the highest nibble, starting from 1. The rest of the bits
     53  * are used to carry the value. These two parts together make
     54  * a combined opcode.
     55  */
     56 #define __TC_ACT_EXT_SHIFT 28
     57 #define __TC_ACT_EXT(local) ((local) << __TC_ACT_EXT_SHIFT)
     58 #define TC_ACT_EXT_VAL_MASK ((1 << __TC_ACT_EXT_SHIFT) - 1)
     59 #define TC_ACT_EXT_OPCODE(combined) ((combined) & (~TC_ACT_EXT_VAL_MASK))
     60 #define TC_ACT_EXT_CMP(combined, opcode) (TC_ACT_EXT_OPCODE(combined) == opcode)
     61 
     62 #define TC_ACT_JUMP __TC_ACT_EXT(1)
     63 #define TC_ACT_GOTO_CHAIN __TC_ACT_EXT(2)
     64 #define TC_ACT_EXT_OPCODE_MAX	TC_ACT_GOTO_CHAIN
     65 
     66 /* Action type identifiers*/
     67 enum {
     68 	TCA_ID_UNSPEC=0,
     69 	TCA_ID_POLICE=1,
     70 	/* other actions go here */
     71 	__TCA_ID_MAX=255
     72 };
     73 
     74 #define TCA_ID_MAX __TCA_ID_MAX
     75 
     76 struct tc_police {
     77 	__u32			index;
     78 	int			action;
     79 #define TC_POLICE_UNSPEC	TC_ACT_UNSPEC
     80 #define TC_POLICE_OK		TC_ACT_OK
     81 #define TC_POLICE_RECLASSIFY	TC_ACT_RECLASSIFY
     82 #define TC_POLICE_SHOT		TC_ACT_SHOT
     83 #define TC_POLICE_PIPE		TC_ACT_PIPE
     84 
     85 	__u32			limit;
     86 	__u32			burst;
     87 	__u32			mtu;
     88 	struct tc_ratespec	rate;
     89 	struct tc_ratespec	peakrate;
     90 	int			refcnt;
     91 	int			bindcnt;
     92 	__u32			capab;
     93 };
     94 
     95 struct tcf_t {
     96 	__u64   install;
     97 	__u64   lastuse;
     98 	__u64   expires;
     99 	__u64   firstuse;
    100 };
    101 
    102 struct tc_cnt {
    103 	int                   refcnt;
    104 	int                   bindcnt;
    105 };
    106 
    107 #define tc_gen \
    108 	__u32                 index; \
    109 	__u32                 capab; \
    110 	int                   action; \
    111 	int                   refcnt; \
    112 	int                   bindcnt
    113 
    114 enum {
    115 	TCA_POLICE_UNSPEC,
    116 	TCA_POLICE_TBF,
    117 	TCA_POLICE_RATE,
    118 	TCA_POLICE_PEAKRATE,
    119 	TCA_POLICE_AVRATE,
    120 	TCA_POLICE_RESULT,
    121 	TCA_POLICE_TM,
    122 	TCA_POLICE_PAD,
    123 	__TCA_POLICE_MAX
    124 #define TCA_POLICE_RESULT TCA_POLICE_RESULT
    125 };
    126 
    127 #define TCA_POLICE_MAX (__TCA_POLICE_MAX - 1)
    128 
    129 /* tca flags definitions */
    130 #define TCA_CLS_FLAGS_SKIP_HW	(1 << 0) /* don't offload filter to HW */
    131 #define TCA_CLS_FLAGS_SKIP_SW	(1 << 1) /* don't use filter in SW */
    132 #define TCA_CLS_FLAGS_IN_HW	(1 << 2) /* filter is offloaded to HW */
    133 #define TCA_CLS_FLAGS_NOT_IN_HW (1 << 3) /* filter isn't offloaded to HW */
    134 #define TCA_CLS_FLAGS_VERBOSE	(1 << 4) /* verbose logging */
    135 
    136 /* U32 filters */
    137 
    138 #define TC_U32_HTID(h) ((h)&0xFFF00000)
    139 #define TC_U32_USERHTID(h) (TC_U32_HTID(h)>>20)
    140 #define TC_U32_HASH(h) (((h)>>12)&0xFF)
    141 #define TC_U32_NODE(h) ((h)&0xFFF)
    142 #define TC_U32_KEY(h) ((h)&0xFFFFF)
    143 #define TC_U32_UNSPEC	0
    144 #define TC_U32_ROOT	(0xFFF00000)
    145 
    146 enum {
    147 	TCA_U32_UNSPEC,
    148 	TCA_U32_CLASSID,
    149 	TCA_U32_HASH,
    150 	TCA_U32_LINK,
    151 	TCA_U32_DIVISOR,
    152 	TCA_U32_SEL,
    153 	TCA_U32_POLICE,
    154 	TCA_U32_ACT,
    155 	TCA_U32_INDEV,
    156 	TCA_U32_PCNT,
    157 	TCA_U32_MARK,
    158 	TCA_U32_FLAGS,
    159 	TCA_U32_PAD,
    160 	__TCA_U32_MAX
    161 };
    162 
    163 #define TCA_U32_MAX (__TCA_U32_MAX - 1)
    164 
    165 struct tc_u32_key {
    166 	__be32		mask;
    167 	__be32		val;
    168 	int		off;
    169 	int		offmask;
    170 };
    171 
    172 struct tc_u32_sel {
    173 	unsigned char		flags;
    174 	unsigned char		offshift;
    175 	unsigned char		nkeys;
    176 
    177 	__be16			offmask;
    178 	__u16			off;
    179 	short			offoff;
    180 
    181 	short			hoff;
    182 	__be32			hmask;
    183 	struct tc_u32_key	keys[0];
    184 };
    185 
    186 struct tc_u32_mark {
    187 	__u32		val;
    188 	__u32		mask;
    189 	__u32		success;
    190 };
    191 
    192 struct tc_u32_pcnt {
    193 	__u64 rcnt;
    194 	__u64 rhit;
    195 	__u64 kcnts[0];
    196 };
    197 
    198 /* Flags */
    199 
    200 #define TC_U32_TERMINAL		1
    201 #define TC_U32_OFFSET		2
    202 #define TC_U32_VAROFFSET	4
    203 #define TC_U32_EAT		8
    204 
    205 #define TC_U32_MAXDEPTH 8
    206 
    207 
    208 /* RSVP filter */
    209 
    210 enum {
    211 	TCA_RSVP_UNSPEC,
    212 	TCA_RSVP_CLASSID,
    213 	TCA_RSVP_DST,
    214 	TCA_RSVP_SRC,
    215 	TCA_RSVP_PINFO,
    216 	TCA_RSVP_POLICE,
    217 	TCA_RSVP_ACT,
    218 	__TCA_RSVP_MAX
    219 };
    220 
    221 #define TCA_RSVP_MAX (__TCA_RSVP_MAX - 1 )
    222 
    223 struct tc_rsvp_gpi {
    224 	__u32	key;
    225 	__u32	mask;
    226 	int	offset;
    227 };
    228 
    229 struct tc_rsvp_pinfo {
    230 	struct tc_rsvp_gpi dpi;
    231 	struct tc_rsvp_gpi spi;
    232 	__u8	protocol;
    233 	__u8	tunnelid;
    234 	__u8	tunnelhdr;
    235 	__u8	pad;
    236 };
    237 
    238 /* ROUTE filter */
    239 
    240 enum {
    241 	TCA_ROUTE4_UNSPEC,
    242 	TCA_ROUTE4_CLASSID,
    243 	TCA_ROUTE4_TO,
    244 	TCA_ROUTE4_FROM,
    245 	TCA_ROUTE4_IIF,
    246 	TCA_ROUTE4_POLICE,
    247 	TCA_ROUTE4_ACT,
    248 	__TCA_ROUTE4_MAX
    249 };
    250 
    251 #define TCA_ROUTE4_MAX (__TCA_ROUTE4_MAX - 1)
    252 
    253 
    254 /* FW filter */
    255 
    256 enum {
    257 	TCA_FW_UNSPEC,
    258 	TCA_FW_CLASSID,
    259 	TCA_FW_POLICE,
    260 	TCA_FW_INDEV, /*  used by CONFIG_NET_CLS_IND */
    261 	TCA_FW_ACT, /* used by CONFIG_NET_CLS_ACT */
    262 	TCA_FW_MASK,
    263 	__TCA_FW_MAX
    264 };
    265 
    266 #define TCA_FW_MAX (__TCA_FW_MAX - 1)
    267 
    268 /* TC index filter */
    269 
    270 enum {
    271 	TCA_TCINDEX_UNSPEC,
    272 	TCA_TCINDEX_HASH,
    273 	TCA_TCINDEX_MASK,
    274 	TCA_TCINDEX_SHIFT,
    275 	TCA_TCINDEX_FALL_THROUGH,
    276 	TCA_TCINDEX_CLASSID,
    277 	TCA_TCINDEX_POLICE,
    278 	TCA_TCINDEX_ACT,
    279 	__TCA_TCINDEX_MAX
    280 };
    281 
    282 #define TCA_TCINDEX_MAX     (__TCA_TCINDEX_MAX - 1)
    283 
    284 /* Flow filter */
    285 
    286 enum {
    287 	FLOW_KEY_SRC,
    288 	FLOW_KEY_DST,
    289 	FLOW_KEY_PROTO,
    290 	FLOW_KEY_PROTO_SRC,
    291 	FLOW_KEY_PROTO_DST,
    292 	FLOW_KEY_IIF,
    293 	FLOW_KEY_PRIORITY,
    294 	FLOW_KEY_MARK,
    295 	FLOW_KEY_NFCT,
    296 	FLOW_KEY_NFCT_SRC,
    297 	FLOW_KEY_NFCT_DST,
    298 	FLOW_KEY_NFCT_PROTO_SRC,
    299 	FLOW_KEY_NFCT_PROTO_DST,
    300 	FLOW_KEY_RTCLASSID,
    301 	FLOW_KEY_SKUID,
    302 	FLOW_KEY_SKGID,
    303 	FLOW_KEY_VLAN_TAG,
    304 	FLOW_KEY_RXHASH,
    305 	__FLOW_KEY_MAX,
    306 };
    307 
    308 #define FLOW_KEY_MAX	(__FLOW_KEY_MAX - 1)
    309 
    310 enum {
    311 	FLOW_MODE_MAP,
    312 	FLOW_MODE_HASH,
    313 };
    314 
    315 enum {
    316 	TCA_FLOW_UNSPEC,
    317 	TCA_FLOW_KEYS,
    318 	TCA_FLOW_MODE,
    319 	TCA_FLOW_BASECLASS,
    320 	TCA_FLOW_RSHIFT,
    321 	TCA_FLOW_ADDEND,
    322 	TCA_FLOW_MASK,
    323 	TCA_FLOW_XOR,
    324 	TCA_FLOW_DIVISOR,
    325 	TCA_FLOW_ACT,
    326 	TCA_FLOW_POLICE,
    327 	TCA_FLOW_EMATCHES,
    328 	TCA_FLOW_PERTURB,
    329 	__TCA_FLOW_MAX
    330 };
    331 
    332 #define TCA_FLOW_MAX	(__TCA_FLOW_MAX - 1)
    333 
    334 /* Basic filter */
    335 
    336 enum {
    337 	TCA_BASIC_UNSPEC,
    338 	TCA_BASIC_CLASSID,
    339 	TCA_BASIC_EMATCHES,
    340 	TCA_BASIC_ACT,
    341 	TCA_BASIC_POLICE,
    342 	__TCA_BASIC_MAX
    343 };
    344 
    345 #define TCA_BASIC_MAX (__TCA_BASIC_MAX - 1)
    346 
    347 
    348 /* Cgroup classifier */
    349 
    350 enum {
    351 	TCA_CGROUP_UNSPEC,
    352 	TCA_CGROUP_ACT,
    353 	TCA_CGROUP_POLICE,
    354 	TCA_CGROUP_EMATCHES,
    355 	__TCA_CGROUP_MAX,
    356 };
    357 
    358 #define TCA_CGROUP_MAX (__TCA_CGROUP_MAX - 1)
    359 
    360 /* BPF classifier */
    361 
    362 #define TCA_BPF_FLAG_ACT_DIRECT		(1 << 0)
    363 
    364 enum {
    365 	TCA_BPF_UNSPEC,
    366 	TCA_BPF_ACT,
    367 	TCA_BPF_POLICE,
    368 	TCA_BPF_CLASSID,
    369 	TCA_BPF_OPS_LEN,
    370 	TCA_BPF_OPS,
    371 	TCA_BPF_FD,
    372 	TCA_BPF_NAME,
    373 	TCA_BPF_FLAGS,
    374 	TCA_BPF_FLAGS_GEN,
    375 	TCA_BPF_TAG,
    376 	TCA_BPF_ID,
    377 	__TCA_BPF_MAX,
    378 };
    379 
    380 #define TCA_BPF_MAX (__TCA_BPF_MAX - 1)
    381 
    382 /* Flower classifier */
    383 
    384 enum {
    385 	TCA_FLOWER_UNSPEC,
    386 	TCA_FLOWER_CLASSID,
    387 	TCA_FLOWER_INDEV,
    388 	TCA_FLOWER_ACT,
    389 	TCA_FLOWER_KEY_ETH_DST,		/* ETH_ALEN */
    390 	TCA_FLOWER_KEY_ETH_DST_MASK,	/* ETH_ALEN */
    391 	TCA_FLOWER_KEY_ETH_SRC,		/* ETH_ALEN */
    392 	TCA_FLOWER_KEY_ETH_SRC_MASK,	/* ETH_ALEN */
    393 	TCA_FLOWER_KEY_ETH_TYPE,	/* be16 */
    394 	TCA_FLOWER_KEY_IP_PROTO,	/* u8 */
    395 	TCA_FLOWER_KEY_IPV4_SRC,	/* be32 */
    396 	TCA_FLOWER_KEY_IPV4_SRC_MASK,	/* be32 */
    397 	TCA_FLOWER_KEY_IPV4_DST,	/* be32 */
    398 	TCA_FLOWER_KEY_IPV4_DST_MASK,	/* be32 */
    399 	TCA_FLOWER_KEY_IPV6_SRC,	/* struct in6_addr */
    400 	TCA_FLOWER_KEY_IPV6_SRC_MASK,	/* struct in6_addr */
    401 	TCA_FLOWER_KEY_IPV6_DST,	/* struct in6_addr */
    402 	TCA_FLOWER_KEY_IPV6_DST_MASK,	/* struct in6_addr */
    403 	TCA_FLOWER_KEY_TCP_SRC,		/* be16 */
    404 	TCA_FLOWER_KEY_TCP_DST,		/* be16 */
    405 	TCA_FLOWER_KEY_UDP_SRC,		/* be16 */
    406 	TCA_FLOWER_KEY_UDP_DST,		/* be16 */
    407 
    408 	TCA_FLOWER_FLAGS,
    409 	TCA_FLOWER_KEY_VLAN_ID,		/* be16 */
    410 	TCA_FLOWER_KEY_VLAN_PRIO,	/* u8   */
    411 	TCA_FLOWER_KEY_VLAN_ETH_TYPE,	/* be16 */
    412 
    413 	TCA_FLOWER_KEY_ENC_KEY_ID,	/* be32 */
    414 	TCA_FLOWER_KEY_ENC_IPV4_SRC,	/* be32 */
    415 	TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK,/* be32 */
    416 	TCA_FLOWER_KEY_ENC_IPV4_DST,	/* be32 */
    417 	TCA_FLOWER_KEY_ENC_IPV4_DST_MASK,/* be32 */
    418 	TCA_FLOWER_KEY_ENC_IPV6_SRC,	/* struct in6_addr */
    419 	TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK,/* struct in6_addr */
    420 	TCA_FLOWER_KEY_ENC_IPV6_DST,	/* struct in6_addr */
    421 	TCA_FLOWER_KEY_ENC_IPV6_DST_MASK,/* struct in6_addr */
    422 
    423 	TCA_FLOWER_KEY_TCP_SRC_MASK,	/* be16 */
    424 	TCA_FLOWER_KEY_TCP_DST_MASK,	/* be16 */
    425 	TCA_FLOWER_KEY_UDP_SRC_MASK,	/* be16 */
    426 	TCA_FLOWER_KEY_UDP_DST_MASK,	/* be16 */
    427 	TCA_FLOWER_KEY_SCTP_SRC_MASK,	/* be16 */
    428 	TCA_FLOWER_KEY_SCTP_DST_MASK,	/* be16 */
    429 
    430 	TCA_FLOWER_KEY_SCTP_SRC,	/* be16 */
    431 	TCA_FLOWER_KEY_SCTP_DST,	/* be16 */
    432 
    433 	TCA_FLOWER_KEY_ENC_UDP_SRC_PORT,	/* be16 */
    434 	TCA_FLOWER_KEY_ENC_UDP_SRC_PORT_MASK,	/* be16 */
    435 	TCA_FLOWER_KEY_ENC_UDP_DST_PORT,	/* be16 */
    436 	TCA_FLOWER_KEY_ENC_UDP_DST_PORT_MASK,	/* be16 */
    437 
    438 	TCA_FLOWER_KEY_FLAGS,		/* be32 */
    439 	TCA_FLOWER_KEY_FLAGS_MASK,	/* be32 */
    440 
    441 	TCA_FLOWER_KEY_ICMPV4_CODE,	/* u8 */
    442 	TCA_FLOWER_KEY_ICMPV4_CODE_MASK,/* u8 */
    443 	TCA_FLOWER_KEY_ICMPV4_TYPE,	/* u8 */
    444 	TCA_FLOWER_KEY_ICMPV4_TYPE_MASK,/* u8 */
    445 	TCA_FLOWER_KEY_ICMPV6_CODE,	/* u8 */
    446 	TCA_FLOWER_KEY_ICMPV6_CODE_MASK,/* u8 */
    447 	TCA_FLOWER_KEY_ICMPV6_TYPE,	/* u8 */
    448 	TCA_FLOWER_KEY_ICMPV6_TYPE_MASK,/* u8 */
    449 
    450 	TCA_FLOWER_KEY_ARP_SIP,		/* be32 */
    451 	TCA_FLOWER_KEY_ARP_SIP_MASK,	/* be32 */
    452 	TCA_FLOWER_KEY_ARP_TIP,		/* be32 */
    453 	TCA_FLOWER_KEY_ARP_TIP_MASK,	/* be32 */
    454 	TCA_FLOWER_KEY_ARP_OP,		/* u8 */
    455 	TCA_FLOWER_KEY_ARP_OP_MASK,	/* u8 */
    456 	TCA_FLOWER_KEY_ARP_SHA,		/* ETH_ALEN */
    457 	TCA_FLOWER_KEY_ARP_SHA_MASK,	/* ETH_ALEN */
    458 	TCA_FLOWER_KEY_ARP_THA,		/* ETH_ALEN */
    459 	TCA_FLOWER_KEY_ARP_THA_MASK,	/* ETH_ALEN */
    460 
    461 	TCA_FLOWER_KEY_MPLS_TTL,	/* u8 - 8 bits */
    462 	TCA_FLOWER_KEY_MPLS_BOS,	/* u8 - 1 bit */
    463 	TCA_FLOWER_KEY_MPLS_TC,		/* u8 - 3 bits */
    464 	TCA_FLOWER_KEY_MPLS_LABEL,	/* be32 - 20 bits */
    465 
    466 	TCA_FLOWER_KEY_TCP_FLAGS,	/* be16 */
    467 	TCA_FLOWER_KEY_TCP_FLAGS_MASK,	/* be16 */
    468 
    469 	TCA_FLOWER_KEY_IP_TOS,		/* u8 */
    470 	TCA_FLOWER_KEY_IP_TOS_MASK,	/* u8 */
    471 	TCA_FLOWER_KEY_IP_TTL,		/* u8 */
    472 	TCA_FLOWER_KEY_IP_TTL_MASK,	/* u8 */
    473 
    474 	TCA_FLOWER_KEY_CVLAN_ID,	/* be16 */
    475 	TCA_FLOWER_KEY_CVLAN_PRIO,	/* u8   */
    476 	TCA_FLOWER_KEY_CVLAN_ETH_TYPE,	/* be16 */
    477 
    478 	TCA_FLOWER_KEY_ENC_IP_TOS,	/* u8 */
    479 	TCA_FLOWER_KEY_ENC_IP_TOS_MASK,	/* u8 */
    480 	TCA_FLOWER_KEY_ENC_IP_TTL,	/* u8 */
    481 	TCA_FLOWER_KEY_ENC_IP_TTL_MASK,	/* u8 */
    482 
    483 	TCA_FLOWER_KEY_ENC_OPTS,
    484 	TCA_FLOWER_KEY_ENC_OPTS_MASK,
    485 
    486 	TCA_FLOWER_IN_HW_COUNT,
    487 
    488 	__TCA_FLOWER_MAX,
    489 };
    490 
    491 #define TCA_FLOWER_MAX (__TCA_FLOWER_MAX - 1)
    492 
    493 enum {
    494 	TCA_FLOWER_KEY_ENC_OPTS_UNSPEC,
    495 	TCA_FLOWER_KEY_ENC_OPTS_GENEVE, /* Nested
    496 					 * TCA_FLOWER_KEY_ENC_OPT_GENEVE_
    497 					 * attributes
    498 					 */
    499 	__TCA_FLOWER_KEY_ENC_OPTS_MAX,
    500 };
    501 
    502 #define TCA_FLOWER_KEY_ENC_OPTS_MAX (__TCA_FLOWER_KEY_ENC_OPTS_MAX - 1)
    503 
    504 enum {
    505 	TCA_FLOWER_KEY_ENC_OPT_GENEVE_UNSPEC,
    506 	TCA_FLOWER_KEY_ENC_OPT_GENEVE_CLASS,            /* u16 */
    507 	TCA_FLOWER_KEY_ENC_OPT_GENEVE_TYPE,             /* u8 */
    508 	TCA_FLOWER_KEY_ENC_OPT_GENEVE_DATA,             /* 4 to 128 bytes */
    509 
    510 	__TCA_FLOWER_KEY_ENC_OPT_GENEVE_MAX,
    511 };
    512 
    513 #define TCA_FLOWER_KEY_ENC_OPT_GENEVE_MAX \
    514 		(__TCA_FLOWER_KEY_ENC_OPT_GENEVE_MAX - 1)
    515 
    516 enum {
    517 	TCA_FLOWER_KEY_FLAGS_IS_FRAGMENT = (1 << 0),
    518 	TCA_FLOWER_KEY_FLAGS_FRAG_IS_FIRST = (1 << 1),
    519 };
    520 
    521 /* Match-all classifier */
    522 
    523 enum {
    524 	TCA_MATCHALL_UNSPEC,
    525 	TCA_MATCHALL_CLASSID,
    526 	TCA_MATCHALL_ACT,
    527 	TCA_MATCHALL_FLAGS,
    528 	__TCA_MATCHALL_MAX,
    529 };
    530 
    531 #define TCA_MATCHALL_MAX (__TCA_MATCHALL_MAX - 1)
    532 
    533 /* Extended Matches */
    534 
    535 struct tcf_ematch_tree_hdr {
    536 	__u16		nmatches;
    537 	__u16		progid;
    538 };
    539 
    540 enum {
    541 	TCA_EMATCH_TREE_UNSPEC,
    542 	TCA_EMATCH_TREE_HDR,
    543 	TCA_EMATCH_TREE_LIST,
    544 	__TCA_EMATCH_TREE_MAX
    545 };
    546 #define TCA_EMATCH_TREE_MAX (__TCA_EMATCH_TREE_MAX - 1)
    547 
    548 struct tcf_ematch_hdr {
    549 	__u16		matchid;
    550 	__u16		kind;
    551 	__u16		flags;
    552 	__u16		pad; /* currently unused */
    553 };
    554 
    555 /*  0                   1
    556  *  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 
    557  * +-----------------------+-+-+---+
    558  * |         Unused        |S|I| R |
    559  * +-----------------------+-+-+---+
    560  *
    561  * R(2) ::= relation to next ematch
    562  *          where: 0 0 END (last ematch)
    563  *                 0 1 AND
    564  *                 1 0 OR
    565  *                 1 1 Unused (invalid)
    566  * I(1) ::= invert result
    567  * S(1) ::= simple payload
    568  */
    569 #define TCF_EM_REL_END	0
    570 #define TCF_EM_REL_AND	(1<<0)
    571 #define TCF_EM_REL_OR	(1<<1)
    572 #define TCF_EM_INVERT	(1<<2)
    573 #define TCF_EM_SIMPLE	(1<<3)
    574 
    575 #define TCF_EM_REL_MASK	3
    576 #define TCF_EM_REL_VALID(v) (((v) & TCF_EM_REL_MASK) != TCF_EM_REL_MASK)
    577 
    578 enum {
    579 	TCF_LAYER_LINK,
    580 	TCF_LAYER_NETWORK,
    581 	TCF_LAYER_TRANSPORT,
    582 	__TCF_LAYER_MAX
    583 };
    584 #define TCF_LAYER_MAX (__TCF_LAYER_MAX - 1)
    585 
    586 /* Ematch type assignments
    587  *   1..32767		Reserved for ematches inside kernel tree
    588  *   32768..65535	Free to use, not reliable
    589  */
    590 #define	TCF_EM_CONTAINER	0
    591 #define	TCF_EM_CMP		1
    592 #define	TCF_EM_NBYTE		2
    593 #define	TCF_EM_U32		3
    594 #define	TCF_EM_META		4
    595 #define	TCF_EM_TEXT		5
    596 #define	TCF_EM_VLAN		6
    597 #define	TCF_EM_CANID		7
    598 #define	TCF_EM_IPSET		8
    599 #define	TCF_EM_IPT		9
    600 #define	TCF_EM_MAX		9
    601 
    602 enum {
    603 	TCF_EM_PROG_TC
    604 };
    605 
    606 enum {
    607 	TCF_EM_OPND_EQ,
    608 	TCF_EM_OPND_GT,
    609 	TCF_EM_OPND_LT
    610 };
    611 
    612 #endif