1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2010-2015 Intel Corporation
3  */
4 
5 #ifndef _RTE_ETH_CTRL_H_
6 #define _RTE_ETH_CTRL_H_
7 
8 #include <stdint.h>
9 #include <rte_common.h>
10 #include <rte_ether.h>
11 #include "rte_flow.h"
12 
13 /**
14  * @deprecated Please use rte_flow API instead of this legacy one.
15  * @file
16  *
17  * Ethernet device features and related data structures used
18  * by control APIs should be defined in this file.
19  */
20 
21 #ifdef __cplusplus
22 extern "C" {
23 #endif
24 
25 /**
26  * Feature filter types
27  */
28 enum rte_filter_type {
29 	RTE_ETH_FILTER_NONE = 0,
30 	RTE_ETH_FILTER_MACVLAN,
31 	RTE_ETH_FILTER_ETHERTYPE,
32 	RTE_ETH_FILTER_FLEXIBLE,
33 	RTE_ETH_FILTER_SYN,
34 	RTE_ETH_FILTER_NTUPLE,
35 	RTE_ETH_FILTER_TUNNEL,
36 	RTE_ETH_FILTER_FDIR,
37 	RTE_ETH_FILTER_HASH,
38 	RTE_ETH_FILTER_L2_TUNNEL,
39 	RTE_ETH_FILTER_GENERIC,
40 	RTE_ETH_FILTER_MAX
41 };
42 
43 /**
44  * Generic operations on filters
45  */
46 enum rte_filter_op {
47 	/** used to check whether the type filter is supported */
48 	RTE_ETH_FILTER_NOP = 0,
49 	RTE_ETH_FILTER_ADD,      /**< add filter entry */
50 	RTE_ETH_FILTER_UPDATE,   /**< update filter entry */
51 	RTE_ETH_FILTER_DELETE,   /**< delete filter entry */
52 	RTE_ETH_FILTER_FLUSH,    /**< flush all entries */
53 	RTE_ETH_FILTER_GET,      /**< get filter entry */
54 	RTE_ETH_FILTER_SET,      /**< configurations */
55 	RTE_ETH_FILTER_INFO,     /**< retrieve information */
56 	RTE_ETH_FILTER_STATS,    /**< retrieve statistics */
57 	RTE_ETH_FILTER_OP_MAX
58 };
59 
60 /**
61  * MAC filter type
62  */
63 enum rte_mac_filter_type {
64 	RTE_MAC_PERFECT_MATCH = 1, /**< exact match of MAC addr. */
65 	RTE_MACVLAN_PERFECT_MATCH, /**< exact match of MAC addr and VLAN ID. */
66 	RTE_MAC_HASH_MATCH, /**< hash match of MAC addr. */
67 	/** hash match of MAC addr and exact match of VLAN ID. */
68 	RTE_MACVLAN_HASH_MATCH,
69 };
70 
71 /**
72  * MAC filter info
73  */
74 struct rte_eth_mac_filter {
75 	uint8_t is_vf; /**< 1 for VF, 0 for port dev */
76 	uint16_t dst_id; /**< VF ID, available when is_vf is 1*/
77 	enum rte_mac_filter_type filter_type; /**< MAC filter type */
78 	struct rte_ether_addr mac_addr;
79 };
80 
81 /**
82  * Define all structures for Ethertype Filter type.
83  */
84 
85 #define RTE_ETHTYPE_FLAGS_MAC    0x0001 /**< If set, compare mac */
86 #define RTE_ETHTYPE_FLAGS_DROP   0x0002 /**< If set, drop packet when match */
87 
88 /**
89  * A structure used to define the ethertype filter entry
90  * to support RTE_ETH_FILTER_ETHERTYPE with RTE_ETH_FILTER_ADD,
91  * RTE_ETH_FILTER_DELETE and RTE_ETH_FILTER_GET operations.
92  */
93 struct rte_eth_ethertype_filter {
94 	struct rte_ether_addr mac_addr;   /**< Mac address to match. */
95 	uint16_t ether_type;          /**< Ether type to match */
96 	uint16_t flags;               /**< Flags from RTE_ETHTYPE_FLAGS_* */
97 	uint16_t queue;               /**< Queue assigned to when match*/
98 };
99 
100 #define RTE_FLEX_FILTER_MAXLEN	128	/**< bytes to use in flex filter. */
101 #define RTE_FLEX_FILTER_MASK_SIZE	\
102 	(RTE_ALIGN(RTE_FLEX_FILTER_MAXLEN, CHAR_BIT) / CHAR_BIT)
103 					/**< mask bytes in flex filter. */
104 
105 /**
106  *  A structure used to define the flex filter entry
107  *  to support RTE_ETH_FILTER_FLEXIBLE with RTE_ETH_FILTER_ADD,
108  *  RTE_ETH_FILTER_DELETE and RTE_ETH_FILTER_GET operations.
109  */
110 struct rte_eth_flex_filter {
111 	uint16_t len;
112 	uint8_t bytes[RTE_FLEX_FILTER_MAXLEN];  /**< flex bytes in big endian.*/
113 	uint8_t mask[RTE_FLEX_FILTER_MASK_SIZE];    /**< if mask bit is 1b, do
114 					not compare corresponding byte. */
115 	uint8_t priority;
116 	uint16_t queue;       /**< Queue assigned to when match. */
117 };
118 
119 /**
120  * A structure used to define the TCP syn filter entry
121  * to support RTE_ETH_FILTER_SYN with RTE_ETH_FILTER_ADD,
122  * RTE_ETH_FILTER_DELETE and RTE_ETH_FILTER_GET operations.
123  */
124 struct rte_eth_syn_filter {
125 	uint8_t hig_pri;     /**< 1 - higher priority than other filters,
126 				  0 - lower priority. */
127 	uint16_t queue;      /**< Queue assigned to when match */
128 };
129 
130 /**
131  * Define all structures for ntuple Filter type.
132  */
133 
134 #define RTE_NTUPLE_FLAGS_DST_IP    0x0001 /**< If set, dst_ip is part of ntuple */
135 #define RTE_NTUPLE_FLAGS_SRC_IP    0x0002 /**< If set, src_ip is part of ntuple */
136 #define RTE_NTUPLE_FLAGS_DST_PORT  0x0004 /**< If set, dst_port is part of ntuple */
137 #define RTE_NTUPLE_FLAGS_SRC_PORT  0x0008 /**< If set, src_port is part of ntuple */
138 #define RTE_NTUPLE_FLAGS_PROTO     0x0010 /**< If set, protocol is part of ntuple */
139 #define RTE_NTUPLE_FLAGS_TCP_FLAG  0x0020 /**< If set, tcp flag is involved */
140 
141 #define RTE_5TUPLE_FLAGS ( \
142 		RTE_NTUPLE_FLAGS_DST_IP | \
143 		RTE_NTUPLE_FLAGS_SRC_IP | \
144 		RTE_NTUPLE_FLAGS_DST_PORT | \
145 		RTE_NTUPLE_FLAGS_SRC_PORT | \
146 		RTE_NTUPLE_FLAGS_PROTO)
147 
148 #define RTE_2TUPLE_FLAGS ( \
149 		RTE_NTUPLE_FLAGS_DST_PORT | \
150 		RTE_NTUPLE_FLAGS_PROTO)
151 
152 #define RTE_NTUPLE_TCP_FLAGS_MASK 0x3F /**< TCP flags filter can match. */
153 
154 /**
155  * A structure used to define the ntuple filter entry
156  * to support RTE_ETH_FILTER_NTUPLE with RTE_ETH_FILTER_ADD,
157  * RTE_ETH_FILTER_DELETE and RTE_ETH_FILTER_GET operations.
158  */
159 struct rte_eth_ntuple_filter {
160 	uint16_t flags;          /**< Flags from RTE_NTUPLE_FLAGS_* */
161 	uint32_t dst_ip;         /**< Destination IP address in big endian. */
162 	uint32_t dst_ip_mask;    /**< Mask of destination IP address. */
163 	uint32_t src_ip;         /**< Source IP address in big endian. */
164 	uint32_t src_ip_mask;    /**< Mask of destination IP address. */
165 	uint16_t dst_port;       /**< Destination port in big endian. */
166 	uint16_t dst_port_mask;  /**< Mask of destination port. */
167 	uint16_t src_port;       /**< Source Port in big endian. */
168 	uint16_t src_port_mask;  /**< Mask of source port. */
169 	uint8_t proto;           /**< L4 protocol. */
170 	uint8_t proto_mask;      /**< Mask of L4 protocol. */
171 	/** tcp_flags only meaningful when the proto is TCP.
172 	    The packet matched above ntuple fields and contain
173 	    any set bit in tcp_flags will hit this filter. */
174 	uint8_t tcp_flags;
175 	uint16_t priority;       /**< seven levels (001b-111b), 111b is highest,
176 				      used when more than one filter matches. */
177 	uint16_t queue;          /**< Queue assigned to when match*/
178 };
179 
180 /**
181  * filter type of tunneling packet
182  */
183 #define ETH_TUNNEL_FILTER_OMAC  0x01 /**< filter by outer MAC addr */
184 #define ETH_TUNNEL_FILTER_OIP   0x02 /**< filter by outer IP Addr */
185 #define ETH_TUNNEL_FILTER_TENID 0x04 /**< filter by tenant ID */
186 #define ETH_TUNNEL_FILTER_IMAC  0x08 /**< filter by inner MAC addr */
187 #define ETH_TUNNEL_FILTER_IVLAN 0x10 /**< filter by inner VLAN ID */
188 #define ETH_TUNNEL_FILTER_IIP   0x20 /**< filter by inner IP addr */
189 
190 #define RTE_TUNNEL_FILTER_IMAC_IVLAN (ETH_TUNNEL_FILTER_IMAC | \
191 					ETH_TUNNEL_FILTER_IVLAN)
192 #define RTE_TUNNEL_FILTER_IMAC_IVLAN_TENID (ETH_TUNNEL_FILTER_IMAC | \
193 					ETH_TUNNEL_FILTER_IVLAN | \
194 					ETH_TUNNEL_FILTER_TENID)
195 #define RTE_TUNNEL_FILTER_IMAC_TENID (ETH_TUNNEL_FILTER_IMAC | \
196 					ETH_TUNNEL_FILTER_TENID)
197 #define RTE_TUNNEL_FILTER_OMAC_TENID_IMAC (ETH_TUNNEL_FILTER_OMAC | \
198 					ETH_TUNNEL_FILTER_TENID | \
199 					ETH_TUNNEL_FILTER_IMAC)
200 
201 /**
202  *  Select IPv4 or IPv6 for tunnel filters.
203  */
204 enum rte_tunnel_iptype {
205 	RTE_TUNNEL_IPTYPE_IPV4 = 0, /**< IPv4. */
206 	RTE_TUNNEL_IPTYPE_IPV6,     /**< IPv6. */
207 };
208 
209 /**
210  * Tunneling Packet filter configuration.
211  */
212 struct rte_eth_tunnel_filter_conf {
213 	struct rte_ether_addr outer_mac;    /**< Outer MAC address to match. */
214 	struct rte_ether_addr inner_mac;    /**< Inner MAC address to match. */
215 	uint16_t inner_vlan;            /**< Inner VLAN to match. */
216 	enum rte_tunnel_iptype ip_type; /**< IP address type. */
217 	/** Outer destination IP address to match if ETH_TUNNEL_FILTER_OIP
218 	    is set in filter_type, or inner destination IP address to match
219 	    if ETH_TUNNEL_FILTER_IIP is set in filter_type . */
220 	union {
221 		uint32_t ipv4_addr;     /**< IPv4 address in big endian. */
222 		uint32_t ipv6_addr[4];  /**< IPv6 address in big endian. */
223 	} ip_addr;
224 	/** Flags from ETH_TUNNEL_FILTER_XX - see above. */
225 	uint16_t filter_type;
226 	enum rte_eth_tunnel_type tunnel_type; /**< Tunnel Type. */
227 	uint32_t tenant_id;     /**< Tenant ID to match. VNI, GRE key... */
228 	uint16_t queue_id;      /**< Queue assigned to if match. */
229 };
230 
231 /**
232  * Global eth device configuration type.
233  */
234 enum rte_eth_global_cfg_type {
235 	RTE_ETH_GLOBAL_CFG_TYPE_UNKNOWN = 0,
236 	RTE_ETH_GLOBAL_CFG_TYPE_GRE_KEY_LEN,
237 	RTE_ETH_GLOBAL_CFG_TYPE_MAX,
238 };
239 
240 /**
241  * Global eth device configuration.
242  */
243 struct rte_eth_global_cfg {
244 	enum rte_eth_global_cfg_type cfg_type; /**< Global config type. */
245 	union {
246 		uint8_t gre_key_len; /**< Valid GRE key length in byte. */
247 		uint64_t reserved; /**< Reserve space for future use. */
248 	} cfg;
249 };
250 
251 #define RTE_ETH_FDIR_MAX_FLEXLEN 16  /**< Max length of flexbytes. */
252 #define RTE_ETH_INSET_SIZE_MAX   128 /**< Max length of input set. */
253 
254 /**
255  * Input set fields for Flow Director and Hash filters
256  */
257 enum rte_eth_input_set_field {
258 	RTE_ETH_INPUT_SET_UNKNOWN = 0,
259 
260 	/* L2 */
261 	RTE_ETH_INPUT_SET_L2_SRC_MAC = 1,
262 	RTE_ETH_INPUT_SET_L2_DST_MAC,
263 	RTE_ETH_INPUT_SET_L2_OUTER_VLAN,
264 	RTE_ETH_INPUT_SET_L2_INNER_VLAN,
265 	RTE_ETH_INPUT_SET_L2_ETHERTYPE,
266 
267 	/* L3 */
268 	RTE_ETH_INPUT_SET_L3_SRC_IP4 = 129,
269 	RTE_ETH_INPUT_SET_L3_DST_IP4,
270 	RTE_ETH_INPUT_SET_L3_SRC_IP6,
271 	RTE_ETH_INPUT_SET_L3_DST_IP6,
272 	RTE_ETH_INPUT_SET_L3_IP4_TOS,
273 	RTE_ETH_INPUT_SET_L3_IP4_PROTO,
274 	RTE_ETH_INPUT_SET_L3_IP6_TC,
275 	RTE_ETH_INPUT_SET_L3_IP6_NEXT_HEADER,
276 	RTE_ETH_INPUT_SET_L3_IP4_TTL,
277 	RTE_ETH_INPUT_SET_L3_IP6_HOP_LIMITS,
278 
279 	/* L4 */
280 	RTE_ETH_INPUT_SET_L4_UDP_SRC_PORT = 257,
281 	RTE_ETH_INPUT_SET_L4_UDP_DST_PORT,
282 	RTE_ETH_INPUT_SET_L4_TCP_SRC_PORT,
283 	RTE_ETH_INPUT_SET_L4_TCP_DST_PORT,
284 	RTE_ETH_INPUT_SET_L4_SCTP_SRC_PORT,
285 	RTE_ETH_INPUT_SET_L4_SCTP_DST_PORT,
286 	RTE_ETH_INPUT_SET_L4_SCTP_VERIFICATION_TAG,
287 
288 	/* Tunnel */
289 	RTE_ETH_INPUT_SET_TUNNEL_L2_INNER_DST_MAC = 385,
290 	RTE_ETH_INPUT_SET_TUNNEL_L2_INNER_SRC_MAC,
291 	RTE_ETH_INPUT_SET_TUNNEL_L2_INNER_VLAN,
292 	RTE_ETH_INPUT_SET_TUNNEL_L4_UDP_KEY,
293 	RTE_ETH_INPUT_SET_TUNNEL_GRE_KEY,
294 
295 	/* Flexible Payload */
296 	RTE_ETH_INPUT_SET_FLEX_PAYLOAD_1ST_WORD = 641,
297 	RTE_ETH_INPUT_SET_FLEX_PAYLOAD_2ND_WORD,
298 	RTE_ETH_INPUT_SET_FLEX_PAYLOAD_3RD_WORD,
299 	RTE_ETH_INPUT_SET_FLEX_PAYLOAD_4TH_WORD,
300 	RTE_ETH_INPUT_SET_FLEX_PAYLOAD_5TH_WORD,
301 	RTE_ETH_INPUT_SET_FLEX_PAYLOAD_6TH_WORD,
302 	RTE_ETH_INPUT_SET_FLEX_PAYLOAD_7TH_WORD,
303 	RTE_ETH_INPUT_SET_FLEX_PAYLOAD_8TH_WORD,
304 
305 	RTE_ETH_INPUT_SET_DEFAULT = 65533,
306 	RTE_ETH_INPUT_SET_NONE = 65534,
307 	RTE_ETH_INPUT_SET_MAX = 65535,
308 };
309 
310 /**
311  * Filters input set operations
312  */
313 enum rte_filter_input_set_op {
314 	RTE_ETH_INPUT_SET_OP_UNKNOWN,
315 	RTE_ETH_INPUT_SET_SELECT, /**< select input set */
316 	RTE_ETH_INPUT_SET_ADD,    /**< add input set entry */
317 	RTE_ETH_INPUT_SET_OP_MAX
318 };
319 
320 
321 /**
322  * A structure used to define the input set configuration for
323  * flow director and hash filters
324  */
325 struct rte_eth_input_set_conf {
326 	uint16_t flow_type;
327 	uint16_t inset_size;
328 	enum rte_eth_input_set_field field[RTE_ETH_INSET_SIZE_MAX];
329 	enum rte_filter_input_set_op op;
330 };
331 
332 /**
333  * A structure used to define the input for L2 flow
334  */
335 struct rte_eth_l2_flow {
336 	uint16_t ether_type;          /**< Ether type in big endian */
337 };
338 
339 /**
340  * A structure used to define the input for IPV4 flow
341  */
342 struct rte_eth_ipv4_flow {
343 	uint32_t src_ip;      /**< IPv4 source address in big endian. */
344 	uint32_t dst_ip;      /**< IPv4 destination address in big endian. */
345 	uint8_t  tos;         /**< Type of service to match. */
346 	uint8_t  ttl;         /**< Time to live to match. */
347 	uint8_t  proto;       /**< Protocol, next header in big endian. */
348 };
349 
350 /**
351  * A structure used to define the input for IPV4 UDP flow
352  */
353 struct rte_eth_udpv4_flow {
354 	struct rte_eth_ipv4_flow ip; /**< IPv4 fields to match. */
355 	uint16_t src_port;           /**< UDP source port in big endian. */
356 	uint16_t dst_port;           /**< UDP destination port in big endian. */
357 };
358 
359 /**
360  * A structure used to define the input for IPV4 TCP flow
361  */
362 struct rte_eth_tcpv4_flow {
363 	struct rte_eth_ipv4_flow ip; /**< IPv4 fields to match. */
364 	uint16_t src_port;           /**< TCP source port in big endian. */
365 	uint16_t dst_port;           /**< TCP destination port in big endian. */
366 };
367 
368 /**
369  * A structure used to define the input for IPV4 SCTP flow
370  */
371 struct rte_eth_sctpv4_flow {
372 	struct rte_eth_ipv4_flow ip; /**< IPv4 fields to match. */
373 	uint16_t src_port;           /**< SCTP source port in big endian. */
374 	uint16_t dst_port;           /**< SCTP destination port in big endian. */
375 	uint32_t verify_tag;         /**< Verify tag in big endian */
376 };
377 
378 /**
379  * A structure used to define the input for IPV6 flow
380  */
381 struct rte_eth_ipv6_flow {
382 	uint32_t src_ip[4];      /**< IPv6 source address in big endian. */
383 	uint32_t dst_ip[4];      /**< IPv6 destination address in big endian. */
384 	uint8_t  tc;             /**< Traffic class to match. */
385 	uint8_t  proto;          /**< Protocol, next header to match. */
386 	uint8_t  hop_limits;     /**< Hop limits to match. */
387 };
388 
389 /**
390  * A structure used to define the input for IPV6 UDP flow
391  */
392 struct rte_eth_udpv6_flow {
393 	struct rte_eth_ipv6_flow ip; /**< IPv6 fields to match. */
394 	uint16_t src_port;           /**< UDP source port in big endian. */
395 	uint16_t dst_port;           /**< UDP destination port in big endian. */
396 };
397 
398 /**
399  * A structure used to define the input for IPV6 TCP flow
400  */
401 struct rte_eth_tcpv6_flow {
402 	struct rte_eth_ipv6_flow ip; /**< IPv6 fields to match. */
403 	uint16_t src_port;           /**< TCP source port to in big endian. */
404 	uint16_t dst_port;           /**< TCP destination port in big endian. */
405 };
406 
407 /**
408  * A structure used to define the input for IPV6 SCTP flow
409  */
410 struct rte_eth_sctpv6_flow {
411 	struct rte_eth_ipv6_flow ip; /**< IPv6 fields to match. */
412 	uint16_t src_port;           /**< SCTP source port in big endian. */
413 	uint16_t dst_port;           /**< SCTP destination port in big endian. */
414 	uint32_t verify_tag;         /**< Verify tag in big endian. */
415 };
416 
417 /**
418  * A structure used to define the input for MAC VLAN flow
419  */
420 struct rte_eth_mac_vlan_flow {
421 	struct rte_ether_addr mac_addr;  /**< Mac address to match. */
422 };
423 
424 /**
425  * Tunnel type for flow director.
426  */
427 enum rte_eth_fdir_tunnel_type {
428 	RTE_FDIR_TUNNEL_TYPE_UNKNOWN = 0,
429 	RTE_FDIR_TUNNEL_TYPE_NVGRE,
430 	RTE_FDIR_TUNNEL_TYPE_VXLAN,
431 };
432 
433 /**
434  * A structure used to define the input for tunnel flow, now it's VxLAN or
435  * NVGRE
436  */
437 struct rte_eth_tunnel_flow {
438 	enum rte_eth_fdir_tunnel_type tunnel_type; /**< Tunnel type to match. */
439 	/** Tunnel ID to match. TNI, VNI... in big endian. */
440 	uint32_t tunnel_id;
441 	struct rte_ether_addr mac_addr;            /**< Mac address to match. */
442 };
443 
444 /**
445  * An union contains the inputs for all types of flow
446  * Items in flows need to be in big endian
447  */
448 union rte_eth_fdir_flow {
449 	struct rte_eth_l2_flow     l2_flow;
450 	struct rte_eth_udpv4_flow  udp4_flow;
451 	struct rte_eth_tcpv4_flow  tcp4_flow;
452 	struct rte_eth_sctpv4_flow sctp4_flow;
453 	struct rte_eth_ipv4_flow   ip4_flow;
454 	struct rte_eth_udpv6_flow  udp6_flow;
455 	struct rte_eth_tcpv6_flow  tcp6_flow;
456 	struct rte_eth_sctpv6_flow sctp6_flow;
457 	struct rte_eth_ipv6_flow   ipv6_flow;
458 	struct rte_eth_mac_vlan_flow mac_vlan_flow;
459 	struct rte_eth_tunnel_flow   tunnel_flow;
460 };
461 
462 /**
463  * A structure used to contain extend input of flow
464  */
465 struct rte_eth_fdir_flow_ext {
466 	uint16_t vlan_tci;
467 	uint8_t flexbytes[RTE_ETH_FDIR_MAX_FLEXLEN];
468 	/**< It is filled by the flexible payload to match. */
469 	uint8_t is_vf;   /**< 1 for VF, 0 for port dev */
470 	uint16_t dst_id; /**< VF ID, available when is_vf is 1*/
471 };
472 
473 /**
474  * A structure used to define the input for a flow director filter entry
475  */
476 struct rte_eth_fdir_input {
477 	uint16_t flow_type;
478 	union rte_eth_fdir_flow flow;
479 	/**< Flow fields to match, dependent on flow_type */
480 	struct rte_eth_fdir_flow_ext flow_ext;
481 	/**< Additional fields to match */
482 };
483 
484 /**
485  * Behavior will be taken if FDIR match
486  */
487 enum rte_eth_fdir_behavior {
488 	RTE_ETH_FDIR_ACCEPT = 0,
489 	RTE_ETH_FDIR_REJECT,
490 	RTE_ETH_FDIR_PASSTHRU,
491 };
492 
493 /**
494  * Flow director report status
495  * It defines what will be reported if FDIR entry is matched.
496  */
497 enum rte_eth_fdir_status {
498 	RTE_ETH_FDIR_NO_REPORT_STATUS = 0, /**< Report nothing. */
499 	RTE_ETH_FDIR_REPORT_ID,            /**< Only report FD ID. */
500 	RTE_ETH_FDIR_REPORT_ID_FLEX_4,     /**< Report FD ID and 4 flex bytes. */
501 	RTE_ETH_FDIR_REPORT_FLEX_8,        /**< Report 8 flex bytes. */
502 };
503 
504 /**
505  * A structure used to define an action when match FDIR packet filter.
506  */
507 struct rte_eth_fdir_action {
508 	uint16_t rx_queue;        /**< Queue assigned to if FDIR match. */
509 	enum rte_eth_fdir_behavior behavior;     /**< Behavior will be taken */
510 	enum rte_eth_fdir_status report_status;  /**< Status report option */
511 	uint8_t flex_off;
512 	/**< If report_status is RTE_ETH_FDIR_REPORT_ID_FLEX_4 or
513 	     RTE_ETH_FDIR_REPORT_FLEX_8, flex_off specifies where the reported
514 	     flex bytes start from in flexible payload. */
515 };
516 
517 /**
518  * A structure used to define the flow director filter entry by filter_ctrl API
519  * It supports RTE_ETH_FILTER_FDIR with RTE_ETH_FILTER_ADD and
520  * RTE_ETH_FILTER_DELETE operations.
521  */
522 struct rte_eth_fdir_filter {
523 	uint32_t soft_id;
524 	/**< ID, an unique value is required when deal with FDIR entry */
525 	struct rte_eth_fdir_input input;    /**< Input set */
526 	struct rte_eth_fdir_action action;  /**< Action taken when match */
527 };
528 
529 /**
530  *  A structure used to configure FDIR masks that are used by the device
531  *  to match the various fields of RX packet headers.
532  */
533 struct rte_eth_fdir_masks {
534 	uint16_t vlan_tci_mask;   /**< Bit mask for vlan_tci in big endian */
535 	/** Bit mask for ipv4 flow in big endian. */
536 	struct rte_eth_ipv4_flow   ipv4_mask;
537 	/** Bit mask for ipv6 flow in big endian. */
538 	struct rte_eth_ipv6_flow   ipv6_mask;
539 	/** Bit mask for L4 source port in big endian. */
540 	uint16_t src_port_mask;
541 	/** Bit mask for L4 destination port in big endian. */
542 	uint16_t dst_port_mask;
543 	/** 6 bit mask for proper 6 bytes of Mac address, bit 0 matches the
544 	    first byte on the wire */
545 	uint8_t mac_addr_byte_mask;
546 	/** Bit mask for tunnel ID in big endian. */
547 	uint32_t tunnel_id_mask;
548 	uint8_t tunnel_type_mask; /**< 1 - Match tunnel type,
549 				       0 - Ignore tunnel type. */
550 };
551 
552 /**
553  * Payload type
554  */
555 enum rte_eth_payload_type {
556 	RTE_ETH_PAYLOAD_UNKNOWN = 0,
557 	RTE_ETH_RAW_PAYLOAD,
558 	RTE_ETH_L2_PAYLOAD,
559 	RTE_ETH_L3_PAYLOAD,
560 	RTE_ETH_L4_PAYLOAD,
561 	RTE_ETH_PAYLOAD_MAX = 8,
562 };
563 
564 /**
565  * A structure used to select bytes extracted from the protocol layers to
566  * flexible payload for filter
567  */
568 struct rte_eth_flex_payload_cfg {
569 	enum rte_eth_payload_type type;  /**< Payload type */
570 	uint16_t src_offset[RTE_ETH_FDIR_MAX_FLEXLEN];
571 	/**< Offset in bytes from the beginning of packet's payload
572 	     src_offset[i] indicates the flexbyte i's offset in original
573 	     packet payload. This value should be less than
574 	     flex_payload_limit in struct rte_eth_fdir_info.*/
575 };
576 
577 /**
578  * A structure used to define FDIR masks for flexible payload
579  * for each flow type
580  */
581 struct rte_eth_fdir_flex_mask {
582 	uint16_t flow_type;
583 	uint8_t mask[RTE_ETH_FDIR_MAX_FLEXLEN];
584 	/**< Mask for the whole flexible payload */
585 };
586 
587 /**
588  * A structure used to define all flexible payload related setting
589  * include flex payload and flex mask
590  */
591 struct rte_eth_fdir_flex_conf {
592 	uint16_t nb_payloads;  /**< The number of following payload cfg */
593 	uint16_t nb_flexmasks; /**< The number of following mask */
594 	struct rte_eth_flex_payload_cfg flex_set[RTE_ETH_PAYLOAD_MAX];
595 	/**< Flex payload configuration for each payload type */
596 	struct rte_eth_fdir_flex_mask flex_mask[RTE_ETH_FLOW_MAX];
597 	/**< Flex mask configuration for each flow type */
598 };
599 
600 /**
601  *  Flow Director setting modes: none, signature or perfect.
602  */
603 enum rte_fdir_mode {
604 	RTE_FDIR_MODE_NONE      = 0, /**< Disable FDIR support. */
605 	RTE_FDIR_MODE_SIGNATURE,     /**< Enable FDIR signature filter mode. */
606 	RTE_FDIR_MODE_PERFECT,       /**< Enable FDIR perfect filter mode. */
607 	RTE_FDIR_MODE_PERFECT_MAC_VLAN, /**< Enable FDIR filter mode - MAC VLAN. */
608 	RTE_FDIR_MODE_PERFECT_TUNNEL,   /**< Enable FDIR filter mode - tunnel. */
609 };
610 
611 #define UINT64_BIT (CHAR_BIT * sizeof(uint64_t))
612 #define RTE_FLOW_MASK_ARRAY_SIZE \
613 	(RTE_ALIGN(RTE_ETH_FLOW_MAX, UINT64_BIT)/UINT64_BIT)
614 
615 /**
616  * A structure used to get the information of flow director filter.
617  * It supports RTE_ETH_FILTER_FDIR with RTE_ETH_FILTER_INFO operation.
618  * It includes the mode, flexible payload configuration information,
619  * capabilities and supported flow types, flexible payload characters.
620  * It can be gotten to help taking specific configurations per device.
621  */
622 struct rte_eth_fdir_info {
623 	enum rte_fdir_mode mode; /**< Flow director mode */
624 	struct rte_eth_fdir_masks mask;
625 	/** Flex payload configuration information */
626 	struct rte_eth_fdir_flex_conf flex_conf;
627 	uint32_t guarant_spc; /**< Guaranteed spaces.*/
628 	uint32_t best_spc; /**< Best effort spaces.*/
629 	/** Bit mask for every supported flow type. */
630 	uint64_t flow_types_mask[RTE_FLOW_MASK_ARRAY_SIZE];
631 	uint32_t max_flexpayload; /**< Total flex payload in bytes. */
632 	/** Flexible payload unit in bytes. Size and alignments of all flex
633 	    payload segments should be multiplies of this value. */
634 	uint32_t flex_payload_unit;
635 	/** Max number of flexible payload continuous segments.
636 	    Each segment should be a multiple of flex_payload_unit.*/
637 	uint32_t max_flex_payload_segment_num;
638 	/** Maximum src_offset in bytes allowed. It indicates that
639 	    src_offset[i] in struct rte_eth_flex_payload_cfg should be less
640 	    than this value. */
641 	uint16_t flex_payload_limit;
642 	/** Flex bitmask unit in bytes. Size of flex bitmasks should be a
643 	    multiply of this value. */
644 	uint32_t flex_bitmask_unit;
645 	/** Max supported size of flex bitmasks in flex_bitmask_unit */
646 	uint32_t max_flex_bitmask_num;
647 };
648 
649 /**
650  * A structure used to define the statistics of flow director.
651  * It supports RTE_ETH_FILTER_FDIR with RTE_ETH_FILTER_STATS operation.
652  */
653 struct rte_eth_fdir_stats {
654 	uint32_t collision;    /**< Number of filters with collision. */
655 	uint32_t free;         /**< Number of free filters. */
656 	uint32_t maxhash;
657 	/**< The lookup hash value of the added filter that updated the value
658 	   of the MAXLEN field */
659 	uint32_t maxlen;       /**< Longest linked list of filters. */
660 	uint64_t add;          /**< Number of added filters. */
661 	uint64_t remove;       /**< Number of removed filters. */
662 	uint64_t f_add;        /**< Number of failed added filters. */
663 	uint64_t f_remove;     /**< Number of failed removed filters. */
664 	uint32_t guarant_cnt;  /**< Number of filters in guaranteed spaces. */
665 	uint32_t best_cnt;     /**< Number of filters in best effort spaces. */
666 };
667 
668 /**
669  * Flow Director filter information types.
670  */
671 enum rte_eth_fdir_filter_info_type {
672 	RTE_ETH_FDIR_FILTER_INFO_TYPE_UNKNOWN = 0,
673 	/** Flow Director filter input set configuration */
674 	RTE_ETH_FDIR_FILTER_INPUT_SET_SELECT,
675 	RTE_ETH_FDIR_FILTER_INFO_TYPE_MAX,
676 };
677 
678 /**
679  * A structure used to set FDIR filter information, to support filter type
680  * of 'RTE_ETH_FILTER_FDIR' RTE_ETH_FDIR_FILTER_INPUT_SET_SELECT operation.
681  */
682 struct rte_eth_fdir_filter_info {
683 	enum rte_eth_fdir_filter_info_type info_type; /**< Information type */
684 	/** Details of fdir filter information */
685 	union {
686 		/** Flow Director input set configuration per port */
687 		struct rte_eth_input_set_conf input_set_conf;
688 	} info;
689 };
690 
691 /**
692  * Hash filter information types.
693  * - RTE_ETH_HASH_FILTER_SYM_HASH_ENA_PER_PORT is for getting/setting the
694  *   information/configuration of 'symmetric hash enable' per port.
695  * - RTE_ETH_HASH_FILTER_GLOBAL_CONFIG is for getting/setting the global
696  *   configurations of hash filters. Those global configurations are valid
697  *   for all ports of the same NIC.
698  * - RTE_ETH_HASH_FILTER_INPUT_SET_SELECT is for setting the global
699  *   hash input set fields
700  */
701 enum rte_eth_hash_filter_info_type {
702 	RTE_ETH_HASH_FILTER_INFO_TYPE_UNKNOWN = 0,
703 	/** Symmetric hash enable per port */
704 	RTE_ETH_HASH_FILTER_SYM_HASH_ENA_PER_PORT,
705 	/** Configure globally for hash filter */
706 	RTE_ETH_HASH_FILTER_GLOBAL_CONFIG,
707 	/** Global Hash filter input set configuration */
708 	RTE_ETH_HASH_FILTER_INPUT_SET_SELECT,
709 	RTE_ETH_HASH_FILTER_INFO_TYPE_MAX,
710 };
711 
712 #define RTE_SYM_HASH_MASK_ARRAY_SIZE \
713 	(RTE_ALIGN(RTE_ETH_FLOW_MAX, UINT64_BIT)/UINT64_BIT)
714 /**
715  * A structure used to set or get global hash function configurations which
716  * include symmetric hash enable per flow type and hash function type.
717  * Each bit in sym_hash_enable_mask[] indicates if the symmetric hash of the
718  * corresponding flow type is enabled or not.
719  * Each bit in valid_bit_mask[] indicates if the corresponding bit in
720  * sym_hash_enable_mask[] is valid or not. For the configurations gotten, it
721  * also means if the flow type is supported by hardware or not.
722  */
723 struct rte_eth_hash_global_conf {
724 	enum rte_eth_hash_function hash_func; /**< Hash function type */
725 	/** Bit mask for symmetric hash enable per flow type */
726 	uint64_t sym_hash_enable_mask[RTE_SYM_HASH_MASK_ARRAY_SIZE];
727 	/** Bit mask indicates if the corresponding bit is valid */
728 	uint64_t valid_bit_mask[RTE_SYM_HASH_MASK_ARRAY_SIZE];
729 };
730 
731 /**
732  * A structure used to set or get hash filter information, to support filter
733  * type of 'RTE_ETH_FILTER_HASH' and its operations.
734  */
735 struct rte_eth_hash_filter_info {
736 	enum rte_eth_hash_filter_info_type info_type; /**< Information type */
737 	/** Details of hash filter information */
738 	union {
739 		/** For RTE_ETH_HASH_FILTER_SYM_HASH_ENA_PER_PORT */
740 		uint8_t enable;
741 		/** Global configurations of hash filter */
742 		struct rte_eth_hash_global_conf global_conf;
743 		/** Global configurations of hash filter input set */
744 		struct rte_eth_input_set_conf input_set_conf;
745 	} info;
746 };
747 
748 /**
749  * l2 tunnel configuration.
750  */
751 struct rte_eth_l2_tunnel_conf {
752 	enum rte_eth_tunnel_type l2_tunnel_type;
753 	uint16_t ether_type; /* ether type in l2 header */
754 	uint32_t tunnel_id; /* port tag id for e-tag */
755 	uint16_t vf_id; /* VF id for tag insertion */
756 	uint32_t pool; /* destination pool for tag based forwarding */
757 };
758 
759 #ifdef __cplusplus
760 }
761 #endif
762 
763 #endif /* _RTE_ETH_CTRL_H_ */
764