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  * Define all structures for ntuple Filter type.
27  */
28 
29 #define RTE_NTUPLE_FLAGS_DST_IP    0x0001 /**< If set, dst_ip is part of ntuple */
30 #define RTE_NTUPLE_FLAGS_SRC_IP    0x0002 /**< If set, src_ip is part of ntuple */
31 #define RTE_NTUPLE_FLAGS_DST_PORT  0x0004 /**< If set, dst_port is part of ntuple */
32 #define RTE_NTUPLE_FLAGS_SRC_PORT  0x0008 /**< If set, src_port is part of ntuple */
33 #define RTE_NTUPLE_FLAGS_PROTO     0x0010 /**< If set, protocol is part of ntuple */
34 #define RTE_NTUPLE_FLAGS_TCP_FLAG  0x0020 /**< If set, tcp flag is involved */
35 
36 #define RTE_5TUPLE_FLAGS ( \
37 		RTE_NTUPLE_FLAGS_DST_IP | \
38 		RTE_NTUPLE_FLAGS_SRC_IP | \
39 		RTE_NTUPLE_FLAGS_DST_PORT | \
40 		RTE_NTUPLE_FLAGS_SRC_PORT | \
41 		RTE_NTUPLE_FLAGS_PROTO)
42 
43 #define RTE_2TUPLE_FLAGS ( \
44 		RTE_NTUPLE_FLAGS_DST_PORT | \
45 		RTE_NTUPLE_FLAGS_PROTO)
46 
47 #define RTE_NTUPLE_TCP_FLAGS_MASK 0x3F /**< TCP flags filter can match. */
48 
49 /**
50  * A structure used to define the ntuple filter entry
51  * to support RTE_ETH_FILTER_NTUPLE data representation.
52  */
53 struct rte_eth_ntuple_filter {
54 	uint16_t flags;          /**< Flags from RTE_NTUPLE_FLAGS_* */
55 	uint32_t dst_ip;         /**< Destination IP address in big endian. */
56 	uint32_t dst_ip_mask;    /**< Mask of destination IP address. */
57 	uint32_t src_ip;         /**< Source IP address in big endian. */
58 	uint32_t src_ip_mask;    /**< Mask of destination IP address. */
59 	uint16_t dst_port;       /**< Destination port in big endian. */
60 	uint16_t dst_port_mask;  /**< Mask of destination port. */
61 	uint16_t src_port;       /**< Source Port in big endian. */
62 	uint16_t src_port_mask;  /**< Mask of source port. */
63 	uint8_t proto;           /**< L4 protocol. */
64 	uint8_t proto_mask;      /**< Mask of L4 protocol. */
65 	/** tcp_flags only meaningful when the proto is TCP.
66 	    The packet matched above ntuple fields and contain
67 	    any set bit in tcp_flags will hit this filter. */
68 	uint8_t tcp_flags;
69 	uint16_t priority;       /**< seven levels (001b-111b), 111b is highest,
70 				      used when more than one filter matches. */
71 	uint16_t queue;          /**< Queue assigned to when match*/
72 };
73 
74 #define RTE_ETH_FDIR_MAX_FLEXLEN 16  /**< Max length of flexbytes. */
75 #define RTE_ETH_INSET_SIZE_MAX   128 /**< Max length of input set. */
76 
77 /**
78  * Input set fields for Flow Director and Hash filters
79  */
80 enum rte_eth_input_set_field {
81 	RTE_ETH_INPUT_SET_UNKNOWN = 0,
82 
83 	/* L2 */
84 	RTE_ETH_INPUT_SET_L2_SRC_MAC = 1,
85 	RTE_ETH_INPUT_SET_L2_DST_MAC,
86 	RTE_ETH_INPUT_SET_L2_OUTER_VLAN,
87 	RTE_ETH_INPUT_SET_L2_INNER_VLAN,
88 	RTE_ETH_INPUT_SET_L2_ETHERTYPE,
89 
90 	/* L3 */
91 	RTE_ETH_INPUT_SET_L3_SRC_IP4 = 129,
92 	RTE_ETH_INPUT_SET_L3_DST_IP4,
93 	RTE_ETH_INPUT_SET_L3_SRC_IP6,
94 	RTE_ETH_INPUT_SET_L3_DST_IP6,
95 	RTE_ETH_INPUT_SET_L3_IP4_TOS,
96 	RTE_ETH_INPUT_SET_L3_IP4_PROTO,
97 	RTE_ETH_INPUT_SET_L3_IP6_TC,
98 	RTE_ETH_INPUT_SET_L3_IP6_NEXT_HEADER,
99 	RTE_ETH_INPUT_SET_L3_IP4_TTL,
100 	RTE_ETH_INPUT_SET_L3_IP6_HOP_LIMITS,
101 
102 	/* L4 */
103 	RTE_ETH_INPUT_SET_L4_UDP_SRC_PORT = 257,
104 	RTE_ETH_INPUT_SET_L4_UDP_DST_PORT,
105 	RTE_ETH_INPUT_SET_L4_TCP_SRC_PORT,
106 	RTE_ETH_INPUT_SET_L4_TCP_DST_PORT,
107 	RTE_ETH_INPUT_SET_L4_SCTP_SRC_PORT,
108 	RTE_ETH_INPUT_SET_L4_SCTP_DST_PORT,
109 	RTE_ETH_INPUT_SET_L4_SCTP_VERIFICATION_TAG,
110 
111 	/* Tunnel */
112 	RTE_ETH_INPUT_SET_TUNNEL_L2_INNER_DST_MAC = 385,
113 	RTE_ETH_INPUT_SET_TUNNEL_L2_INNER_SRC_MAC,
114 	RTE_ETH_INPUT_SET_TUNNEL_L2_INNER_VLAN,
115 	RTE_ETH_INPUT_SET_TUNNEL_L4_UDP_KEY,
116 	RTE_ETH_INPUT_SET_TUNNEL_GRE_KEY,
117 
118 	/* Flexible Payload */
119 	RTE_ETH_INPUT_SET_FLEX_PAYLOAD_1ST_WORD = 641,
120 	RTE_ETH_INPUT_SET_FLEX_PAYLOAD_2ND_WORD,
121 	RTE_ETH_INPUT_SET_FLEX_PAYLOAD_3RD_WORD,
122 	RTE_ETH_INPUT_SET_FLEX_PAYLOAD_4TH_WORD,
123 	RTE_ETH_INPUT_SET_FLEX_PAYLOAD_5TH_WORD,
124 	RTE_ETH_INPUT_SET_FLEX_PAYLOAD_6TH_WORD,
125 	RTE_ETH_INPUT_SET_FLEX_PAYLOAD_7TH_WORD,
126 	RTE_ETH_INPUT_SET_FLEX_PAYLOAD_8TH_WORD,
127 
128 	RTE_ETH_INPUT_SET_DEFAULT = 65533,
129 	RTE_ETH_INPUT_SET_NONE = 65534,
130 	RTE_ETH_INPUT_SET_MAX = 65535,
131 };
132 
133 /**
134  * Filters input set operations
135  */
136 enum rte_filter_input_set_op {
137 	RTE_ETH_INPUT_SET_OP_UNKNOWN,
138 	RTE_ETH_INPUT_SET_SELECT, /**< select input set */
139 	RTE_ETH_INPUT_SET_ADD,    /**< add input set entry */
140 	RTE_ETH_INPUT_SET_OP_MAX
141 };
142 
143 
144 /**
145  * A structure used to define the input set configuration for
146  * flow director and hash filters
147  */
148 struct rte_eth_input_set_conf {
149 	uint16_t flow_type;
150 	uint16_t inset_size;
151 	enum rte_eth_input_set_field field[RTE_ETH_INSET_SIZE_MAX];
152 	enum rte_filter_input_set_op op;
153 };
154 
155 /**
156  * A structure used to define the input for L2 flow
157  */
158 struct rte_eth_l2_flow {
159 	uint16_t ether_type;          /**< Ether type in big endian */
160 };
161 
162 /**
163  * A structure used to define the input for IPV4 flow
164  */
165 struct rte_eth_ipv4_flow {
166 	uint32_t src_ip;      /**< IPv4 source address in big endian. */
167 	uint32_t dst_ip;      /**< IPv4 destination address in big endian. */
168 	uint8_t  tos;         /**< Type of service to match. */
169 	uint8_t  ttl;         /**< Time to live to match. */
170 	uint8_t  proto;       /**< Protocol, next header in big endian. */
171 };
172 
173 /**
174  * A structure used to define the input for IPV4 UDP flow
175  */
176 struct rte_eth_udpv4_flow {
177 	struct rte_eth_ipv4_flow ip; /**< IPv4 fields to match. */
178 	uint16_t src_port;           /**< UDP source port in big endian. */
179 	uint16_t dst_port;           /**< UDP destination port in big endian. */
180 };
181 
182 /**
183  * A structure used to define the input for IPV4 TCP flow
184  */
185 struct rte_eth_tcpv4_flow {
186 	struct rte_eth_ipv4_flow ip; /**< IPv4 fields to match. */
187 	uint16_t src_port;           /**< TCP source port in big endian. */
188 	uint16_t dst_port;           /**< TCP destination port in big endian. */
189 };
190 
191 /**
192  * A structure used to define the input for IPV4 SCTP flow
193  */
194 struct rte_eth_sctpv4_flow {
195 	struct rte_eth_ipv4_flow ip; /**< IPv4 fields to match. */
196 	uint16_t src_port;           /**< SCTP source port in big endian. */
197 	uint16_t dst_port;           /**< SCTP destination port in big endian. */
198 	uint32_t verify_tag;         /**< Verify tag in big endian */
199 };
200 
201 /**
202  * A structure used to define the input for IPV6 flow
203  */
204 struct rte_eth_ipv6_flow {
205 	uint32_t src_ip[4];      /**< IPv6 source address in big endian. */
206 	uint32_t dst_ip[4];      /**< IPv6 destination address in big endian. */
207 	uint8_t  tc;             /**< Traffic class to match. */
208 	uint8_t  proto;          /**< Protocol, next header to match. */
209 	uint8_t  hop_limits;     /**< Hop limits to match. */
210 };
211 
212 /**
213  * A structure used to define the input for IPV6 UDP flow
214  */
215 struct rte_eth_udpv6_flow {
216 	struct rte_eth_ipv6_flow ip; /**< IPv6 fields to match. */
217 	uint16_t src_port;           /**< UDP source port in big endian. */
218 	uint16_t dst_port;           /**< UDP destination port in big endian. */
219 };
220 
221 /**
222  * A structure used to define the input for IPV6 TCP flow
223  */
224 struct rte_eth_tcpv6_flow {
225 	struct rte_eth_ipv6_flow ip; /**< IPv6 fields to match. */
226 	uint16_t src_port;           /**< TCP source port to in big endian. */
227 	uint16_t dst_port;           /**< TCP destination port in big endian. */
228 };
229 
230 /**
231  * A structure used to define the input for IPV6 SCTP flow
232  */
233 struct rte_eth_sctpv6_flow {
234 	struct rte_eth_ipv6_flow ip; /**< IPv6 fields to match. */
235 	uint16_t src_port;           /**< SCTP source port in big endian. */
236 	uint16_t dst_port;           /**< SCTP destination port in big endian. */
237 	uint32_t verify_tag;         /**< Verify tag in big endian. */
238 };
239 
240 /**
241  * A structure used to define the input for MAC VLAN flow
242  */
243 struct rte_eth_mac_vlan_flow {
244 	struct rte_ether_addr mac_addr;  /**< Mac address to match. */
245 };
246 
247 /**
248  * Tunnel type for flow director.
249  */
250 enum rte_eth_fdir_tunnel_type {
251 	RTE_FDIR_TUNNEL_TYPE_UNKNOWN = 0,
252 	RTE_FDIR_TUNNEL_TYPE_NVGRE,
253 	RTE_FDIR_TUNNEL_TYPE_VXLAN,
254 };
255 
256 /**
257  * A structure used to define the input for tunnel flow, now it's VxLAN or
258  * NVGRE
259  */
260 struct rte_eth_tunnel_flow {
261 	enum rte_eth_fdir_tunnel_type tunnel_type; /**< Tunnel type to match. */
262 	/** Tunnel ID to match. TNI, VNI... in big endian. */
263 	uint32_t tunnel_id;
264 	struct rte_ether_addr mac_addr;            /**< Mac address to match. */
265 };
266 
267 /**
268  * An union contains the inputs for all types of flow
269  * Items in flows need to be in big endian
270  */
271 union rte_eth_fdir_flow {
272 	struct rte_eth_l2_flow     l2_flow;
273 	struct rte_eth_udpv4_flow  udp4_flow;
274 	struct rte_eth_tcpv4_flow  tcp4_flow;
275 	struct rte_eth_sctpv4_flow sctp4_flow;
276 	struct rte_eth_ipv4_flow   ip4_flow;
277 	struct rte_eth_udpv6_flow  udp6_flow;
278 	struct rte_eth_tcpv6_flow  tcp6_flow;
279 	struct rte_eth_sctpv6_flow sctp6_flow;
280 	struct rte_eth_ipv6_flow   ipv6_flow;
281 	struct rte_eth_mac_vlan_flow mac_vlan_flow;
282 	struct rte_eth_tunnel_flow   tunnel_flow;
283 };
284 
285 /**
286  * A structure used to contain extend input of flow
287  */
288 struct rte_eth_fdir_flow_ext {
289 	uint16_t vlan_tci;
290 	uint8_t flexbytes[RTE_ETH_FDIR_MAX_FLEXLEN];
291 	/**< It is filled by the flexible payload to match. */
292 	uint8_t is_vf;   /**< 1 for VF, 0 for port dev */
293 	uint16_t dst_id; /**< VF ID, available when is_vf is 1*/
294 };
295 
296 /**
297  * A structure used to define the input for a flow director filter entry
298  */
299 struct rte_eth_fdir_input {
300 	uint16_t flow_type;
301 	union rte_eth_fdir_flow flow;
302 	/**< Flow fields to match, dependent on flow_type */
303 	struct rte_eth_fdir_flow_ext flow_ext;
304 	/**< Additional fields to match */
305 };
306 
307 /**
308  * Behavior will be taken if FDIR match
309  */
310 enum rte_eth_fdir_behavior {
311 	RTE_ETH_FDIR_ACCEPT = 0,
312 	RTE_ETH_FDIR_REJECT,
313 	RTE_ETH_FDIR_PASSTHRU,
314 };
315 
316 /**
317  * Flow director report status
318  * It defines what will be reported if FDIR entry is matched.
319  */
320 enum rte_eth_fdir_status {
321 	RTE_ETH_FDIR_NO_REPORT_STATUS = 0, /**< Report nothing. */
322 	RTE_ETH_FDIR_REPORT_ID,            /**< Only report FD ID. */
323 	RTE_ETH_FDIR_REPORT_ID_FLEX_4,     /**< Report FD ID and 4 flex bytes. */
324 	RTE_ETH_FDIR_REPORT_FLEX_8,        /**< Report 8 flex bytes. */
325 };
326 
327 /**
328  * A structure used to define an action when match FDIR packet filter.
329  */
330 struct rte_eth_fdir_action {
331 	uint16_t rx_queue;        /**< Queue assigned to if FDIR match. */
332 	enum rte_eth_fdir_behavior behavior;     /**< Behavior will be taken */
333 	enum rte_eth_fdir_status report_status;  /**< Status report option */
334 	uint8_t flex_off;
335 	/**< If report_status is RTE_ETH_FDIR_REPORT_ID_FLEX_4 or
336 	     RTE_ETH_FDIR_REPORT_FLEX_8, flex_off specifies where the reported
337 	     flex bytes start from in flexible payload. */
338 };
339 
340 /**
341  * A structure used to define the flow director filter entry by filter_ctrl API.
342  */
343 struct rte_eth_fdir_filter {
344 	uint32_t soft_id;
345 	/**< ID, an unique value is required when deal with FDIR entry */
346 	struct rte_eth_fdir_input input;    /**< Input set */
347 	struct rte_eth_fdir_action action;  /**< Action taken when match */
348 };
349 
350 /**
351  *  A structure used to configure FDIR masks that are used by the device
352  *  to match the various fields of RX packet headers.
353  */
354 struct rte_eth_fdir_masks {
355 	uint16_t vlan_tci_mask;   /**< Bit mask for vlan_tci in big endian */
356 	/** Bit mask for ipv4 flow in big endian. */
357 	struct rte_eth_ipv4_flow   ipv4_mask;
358 	/** Bit mask for ipv6 flow in big endian. */
359 	struct rte_eth_ipv6_flow   ipv6_mask;
360 	/** Bit mask for L4 source port in big endian. */
361 	uint16_t src_port_mask;
362 	/** Bit mask for L4 destination port in big endian. */
363 	uint16_t dst_port_mask;
364 	/** 6 bit mask for proper 6 bytes of Mac address, bit 0 matches the
365 	    first byte on the wire */
366 	uint8_t mac_addr_byte_mask;
367 	/** Bit mask for tunnel ID in big endian. */
368 	uint32_t tunnel_id_mask;
369 	uint8_t tunnel_type_mask; /**< 1 - Match tunnel type,
370 				       0 - Ignore tunnel type. */
371 };
372 
373 /**
374  * Payload type
375  */
376 enum rte_eth_payload_type {
377 	RTE_ETH_PAYLOAD_UNKNOWN = 0,
378 	RTE_ETH_RAW_PAYLOAD,
379 	RTE_ETH_L2_PAYLOAD,
380 	RTE_ETH_L3_PAYLOAD,
381 	RTE_ETH_L4_PAYLOAD,
382 	RTE_ETH_PAYLOAD_MAX = 8,
383 };
384 
385 /**
386  * A structure used to select bytes extracted from the protocol layers to
387  * flexible payload for filter
388  */
389 struct rte_eth_flex_payload_cfg {
390 	enum rte_eth_payload_type type;  /**< Payload type */
391 	uint16_t src_offset[RTE_ETH_FDIR_MAX_FLEXLEN];
392 	/**< Offset in bytes from the beginning of packet's payload
393 	     src_offset[i] indicates the flexbyte i's offset in original
394 	     packet payload. This value should be less than
395 	     flex_payload_limit in struct rte_eth_fdir_info.*/
396 };
397 
398 /**
399  * A structure used to define FDIR masks for flexible payload
400  * for each flow type
401  */
402 struct rte_eth_fdir_flex_mask {
403 	uint16_t flow_type;
404 	uint8_t mask[RTE_ETH_FDIR_MAX_FLEXLEN];
405 	/**< Mask for the whole flexible payload */
406 };
407 
408 /**
409  * A structure used to define all flexible payload related setting
410  * include flex payload and flex mask
411  */
412 struct rte_eth_fdir_flex_conf {
413 	uint16_t nb_payloads;  /**< The number of following payload cfg */
414 	uint16_t nb_flexmasks; /**< The number of following mask */
415 	struct rte_eth_flex_payload_cfg flex_set[RTE_ETH_PAYLOAD_MAX];
416 	/**< Flex payload configuration for each payload type */
417 	struct rte_eth_fdir_flex_mask flex_mask[RTE_ETH_FLOW_MAX];
418 	/**< Flex mask configuration for each flow type */
419 };
420 
421 /**
422  *  Flow Director setting modes: none, signature or perfect.
423  */
424 enum rte_fdir_mode {
425 	RTE_FDIR_MODE_NONE      = 0, /**< Disable FDIR support. */
426 	RTE_FDIR_MODE_SIGNATURE,     /**< Enable FDIR signature filter mode. */
427 	RTE_FDIR_MODE_PERFECT,       /**< Enable FDIR perfect filter mode. */
428 	RTE_FDIR_MODE_PERFECT_MAC_VLAN, /**< Enable FDIR filter mode - MAC VLAN. */
429 	RTE_FDIR_MODE_PERFECT_TUNNEL,   /**< Enable FDIR filter mode - tunnel. */
430 };
431 
432 #define UINT64_BIT (CHAR_BIT * sizeof(uint64_t))
433 #define RTE_FLOW_MASK_ARRAY_SIZE \
434 	(RTE_ALIGN(RTE_ETH_FLOW_MAX, UINT64_BIT)/UINT64_BIT)
435 
436 /**
437  * A structure used to get the information of flow director filter.
438  * It supports RTE_ETH_FILTER_FDIR with RTE_ETH_FILTER_INFO operation.
439  * It includes the mode, flexible payload configuration information,
440  * capabilities and supported flow types, flexible payload characters.
441  * It can be gotten to help taking specific configurations per device.
442  */
443 struct rte_eth_fdir_info {
444 	enum rte_fdir_mode mode; /**< Flow director mode */
445 	struct rte_eth_fdir_masks mask;
446 	/** Flex payload configuration information */
447 	struct rte_eth_fdir_flex_conf flex_conf;
448 	uint32_t guarant_spc; /**< Guaranteed spaces.*/
449 	uint32_t best_spc; /**< Best effort spaces.*/
450 	/** Bit mask for every supported flow type. */
451 	uint64_t flow_types_mask[RTE_FLOW_MASK_ARRAY_SIZE];
452 	uint32_t max_flexpayload; /**< Total flex payload in bytes. */
453 	/** Flexible payload unit in bytes. Size and alignments of all flex
454 	    payload segments should be multiplies of this value. */
455 	uint32_t flex_payload_unit;
456 	/** Max number of flexible payload continuous segments.
457 	    Each segment should be a multiple of flex_payload_unit.*/
458 	uint32_t max_flex_payload_segment_num;
459 	/** Maximum src_offset in bytes allowed. It indicates that
460 	    src_offset[i] in struct rte_eth_flex_payload_cfg should be less
461 	    than this value. */
462 	uint16_t flex_payload_limit;
463 	/** Flex bitmask unit in bytes. Size of flex bitmasks should be a
464 	    multiply of this value. */
465 	uint32_t flex_bitmask_unit;
466 	/** Max supported size of flex bitmasks in flex_bitmask_unit */
467 	uint32_t max_flex_bitmask_num;
468 };
469 
470 /**
471  * A structure used to define the statistics of flow director.
472  * It supports RTE_ETH_FILTER_FDIR with RTE_ETH_FILTER_STATS operation.
473  */
474 struct rte_eth_fdir_stats {
475 	uint32_t collision;    /**< Number of filters with collision. */
476 	uint32_t free;         /**< Number of free filters. */
477 	uint32_t maxhash;
478 	/**< The lookup hash value of the added filter that updated the value
479 	   of the MAXLEN field */
480 	uint32_t maxlen;       /**< Longest linked list of filters. */
481 	uint64_t add;          /**< Number of added filters. */
482 	uint64_t remove;       /**< Number of removed filters. */
483 	uint64_t f_add;        /**< Number of failed added filters. */
484 	uint64_t f_remove;     /**< Number of failed removed filters. */
485 	uint32_t guarant_cnt;  /**< Number of filters in guaranteed spaces. */
486 	uint32_t best_cnt;     /**< Number of filters in best effort spaces. */
487 };
488 
489 #ifdef __cplusplus
490 }
491 #endif
492 
493 #endif /* _RTE_ETH_CTRL_H_ */
494