1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2017 Intel Corporation
3 */
4
5 #ifndef _RTE_ETHDEV_DRIVER_H_
6 #define _RTE_ETHDEV_DRIVER_H_
7
8 /**
9 * @file
10 *
11 * RTE Ethernet Device PMD API
12 *
13 * These APIs for the use from Ethernet drivers, user applications shouldn't
14 * use them.
15 *
16 */
17
18 #include <rte_ethdev.h>
19
20 #ifdef __cplusplus
21 extern "C" {
22 #endif
23
24 /**< @internal Declaration of the hairpin peer queue information structure. */
25 struct rte_hairpin_peer_info;
26
27 /*
28 * Definitions of all functions exported by an Ethernet driver through the
29 * generic structure of type *eth_dev_ops* supplied in the *rte_eth_dev*
30 * structure associated with an Ethernet device.
31 */
32
33 typedef int (*eth_dev_configure_t)(struct rte_eth_dev *dev);
34 /**< @internal Ethernet device configuration. */
35
36 typedef int (*eth_dev_start_t)(struct rte_eth_dev *dev);
37 /**< @internal Function used to start a configured Ethernet device. */
38
39 typedef int (*eth_dev_stop_t)(struct rte_eth_dev *dev);
40 /**< @internal Function used to stop a configured Ethernet device. */
41
42 typedef int (*eth_dev_set_link_up_t)(struct rte_eth_dev *dev);
43 /**< @internal Function used to link up a configured Ethernet device. */
44
45 typedef int (*eth_dev_set_link_down_t)(struct rte_eth_dev *dev);
46 /**< @internal Function used to link down a configured Ethernet device. */
47
48 typedef int (*eth_dev_close_t)(struct rte_eth_dev *dev);
49 /**< @internal Function used to close a configured Ethernet device. */
50
51 typedef int (*eth_dev_reset_t)(struct rte_eth_dev *dev);
52 /** <@internal Function used to reset a configured Ethernet device. */
53
54 typedef int (*eth_is_removed_t)(struct rte_eth_dev *dev);
55 /**< @internal Function used to detect an Ethernet device removal. */
56
57 /**
58 * @internal
59 * Function used to enable the Rx promiscuous mode of an Ethernet device.
60 *
61 * @param dev
62 * ethdev handle of port.
63 *
64 * @return
65 * Negative errno value on error, 0 on success.
66 *
67 * @retval 0
68 * Success, promiscuous mode is enabled.
69 * @retval -ENOTSUP
70 * Promiscuous mode is not supported.
71 * @retval -ENODEV
72 * Device is gone.
73 * @retval -E_RTE_SECONDARY
74 * Function was called from a secondary process instance and not supported.
75 * @retval -ETIMEDOUT
76 * Attempt to enable promiscuos mode failed because of timeout.
77 * @retval -EAGAIN
78 * Failed to enable promiscuous mode.
79 */
80 typedef int (*eth_promiscuous_enable_t)(struct rte_eth_dev *dev);
81
82 /**
83 * @internal
84 * Function used to disable the Rx promiscuous mode of an Ethernet device.
85 *
86 * @param dev
87 * ethdev handle of port.
88 *
89 * @return
90 * Negative errno value on error, 0 on success.
91 *
92 * @retval 0
93 * Success, promiscuous mode is disabled.
94 * @retval -ENOTSUP
95 * Promiscuous mode disabling is not supported.
96 * @retval -ENODEV
97 * Device is gone.
98 * @retval -E_RTE_SECONDARY
99 * Function was called from a secondary process instance and not supported.
100 * @retval -ETIMEDOUT
101 * Attempt to disable promiscuos mode failed because of timeout.
102 * @retval -EAGAIN
103 * Failed to disable promiscuous mode.
104 */
105 typedef int (*eth_promiscuous_disable_t)(struct rte_eth_dev *dev);
106
107 /**
108 * @internal
109 * Enable the receipt of all multicast packets by an Ethernet device.
110 *
111 * @param dev
112 * ethdev handle of port.
113 *
114 * @return
115 * Negative errno value on error, 0 on success.
116 *
117 * @retval 0
118 * Success, all-multicast mode is enabled.
119 * @retval -ENOTSUP
120 * All-multicast mode is not supported.
121 * @retval -ENODEV
122 * Device is gone.
123 * @retval -E_RTE_SECONDARY
124 * Function was called from a secondary process instance and not supported.
125 * @retval -ETIMEDOUT
126 * Attempt to enable all-multicast mode failed because of timeout.
127 * @retval -EAGAIN
128 * Failed to enable all-multicast mode.
129 */
130 typedef int (*eth_allmulticast_enable_t)(struct rte_eth_dev *dev);
131
132 /**
133 * @internal
134 * Disable the receipt of all multicast packets by an Ethernet device.
135 *
136 * @param dev
137 * ethdev handle of port.
138 *
139 * @return
140 * Negative errno value on error, 0 on success.
141 *
142 * @retval 0
143 * Success, all-multicast mode is disabled.
144 * @retval -ENOTSUP
145 * All-multicast mode disabling is not supported.
146 * @retval -ENODEV
147 * Device is gone.
148 * @retval -E_RTE_SECONDARY
149 * Function was called from a secondary process instance and not supported.
150 * @retval -ETIMEDOUT
151 * Attempt to disable all-multicast mode failed because of timeout.
152 * @retval -EAGAIN
153 * Failed to disable all-multicast mode.
154 */
155 typedef int (*eth_allmulticast_disable_t)(struct rte_eth_dev *dev);
156
157 typedef int (*eth_link_update_t)(struct rte_eth_dev *dev,
158 int wait_to_complete);
159 /**< @internal Get link speed, duplex mode and state (up/down) of an Ethernet device. */
160
161 typedef int (*eth_stats_get_t)(struct rte_eth_dev *dev,
162 struct rte_eth_stats *igb_stats);
163 /**< @internal Get global I/O statistics of an Ethernet device. */
164
165 /**
166 * @internal
167 * Reset global I/O statistics of an Ethernet device to 0.
168 *
169 * @param dev
170 * ethdev handle of port.
171 *
172 * @return
173 * Negative errno value on error, 0 on success.
174 *
175 * @retval 0
176 * Success, statistics has been reset.
177 * @retval -ENOTSUP
178 * Resetting statistics is not supported.
179 * @retval -EINVAL
180 * Resetting statistics is not valid.
181 * @retval -ENOMEM
182 * Not enough memory to get the stats.
183 */
184 typedef int (*eth_stats_reset_t)(struct rte_eth_dev *dev);
185
186 typedef int (*eth_xstats_get_t)(struct rte_eth_dev *dev,
187 struct rte_eth_xstat *stats, unsigned int n);
188 /**< @internal Get extended stats of an Ethernet device. */
189
190 typedef int (*eth_xstats_get_by_id_t)(struct rte_eth_dev *dev,
191 const uint64_t *ids,
192 uint64_t *values,
193 unsigned int n);
194 /**< @internal Get extended stats of an Ethernet device. */
195
196 /**
197 * @internal
198 * Reset extended stats of an Ethernet device.
199 *
200 * @param dev
201 * ethdev handle of port.
202 *
203 * @return
204 * Negative errno value on error, 0 on success.
205 *
206 * @retval 0
207 * Success, statistics has been reset.
208 * @retval -ENOTSUP
209 * Resetting statistics is not supported.
210 * @retval -EINVAL
211 * Resetting statistics is not valid.
212 * @retval -ENOMEM
213 * Not enough memory to get the stats.
214 */
215 typedef int (*eth_xstats_reset_t)(struct rte_eth_dev *dev);
216
217 typedef int (*eth_xstats_get_names_t)(struct rte_eth_dev *dev,
218 struct rte_eth_xstat_name *xstats_names, unsigned int size);
219 /**< @internal Get names of extended stats of an Ethernet device. */
220
221 typedef int (*eth_xstats_get_names_by_id_t)(struct rte_eth_dev *dev,
222 struct rte_eth_xstat_name *xstats_names, const uint64_t *ids,
223 unsigned int size);
224 /**< @internal Get names of extended stats of an Ethernet device. */
225
226 typedef int (*eth_queue_stats_mapping_set_t)(struct rte_eth_dev *dev,
227 uint16_t queue_id,
228 uint8_t stat_idx,
229 uint8_t is_rx);
230 /**< @internal Set a queue statistics mapping for a tx/rx queue of an Ethernet device. */
231
232 typedef int (*eth_dev_infos_get_t)(struct rte_eth_dev *dev,
233 struct rte_eth_dev_info *dev_info);
234 /**< @internal Get specific information of an Ethernet device. */
235
236 typedef const uint32_t *(*eth_dev_supported_ptypes_get_t)(struct rte_eth_dev *dev);
237 /**< @internal Get supported ptypes of an Ethernet device. */
238
239 /**
240 * @internal
241 * Inform Ethernet device about reduced range of packet types to handle.
242 *
243 * @param dev
244 * The Ethernet device identifier.
245 * @param ptype_mask
246 * The ptype family that application is interested in should be bitwise OR of
247 * RTE_PTYPE_*_MASK or 0.
248 * @return
249 * - (0) if Success.
250 */
251 typedef int (*eth_dev_ptypes_set_t)(struct rte_eth_dev *dev,
252 uint32_t ptype_mask);
253
254 typedef int (*eth_queue_start_t)(struct rte_eth_dev *dev,
255 uint16_t queue_id);
256 /**< @internal Start rx and tx of a queue of an Ethernet device. */
257
258 typedef int (*eth_queue_stop_t)(struct rte_eth_dev *dev,
259 uint16_t queue_id);
260 /**< @internal Stop rx and tx of a queue of an Ethernet device. */
261
262 typedef int (*eth_rx_queue_setup_t)(struct rte_eth_dev *dev,
263 uint16_t rx_queue_id,
264 uint16_t nb_rx_desc,
265 unsigned int socket_id,
266 const struct rte_eth_rxconf *rx_conf,
267 struct rte_mempool *mb_pool);
268 /**< @internal Set up a receive queue of an Ethernet device. */
269
270 typedef int (*eth_tx_queue_setup_t)(struct rte_eth_dev *dev,
271 uint16_t tx_queue_id,
272 uint16_t nb_tx_desc,
273 unsigned int socket_id,
274 const struct rte_eth_txconf *tx_conf);
275 /**< @internal Setup a transmit queue of an Ethernet device. */
276
277 typedef int (*eth_rx_enable_intr_t)(struct rte_eth_dev *dev,
278 uint16_t rx_queue_id);
279 /**< @internal Enable interrupt of a receive queue of an Ethernet device. */
280
281 typedef int (*eth_rx_disable_intr_t)(struct rte_eth_dev *dev,
282 uint16_t rx_queue_id);
283 /**< @internal Disable interrupt of a receive queue of an Ethernet device. */
284
285 typedef void (*eth_queue_release_t)(void *queue);
286 /**< @internal Release memory resources allocated by given RX/TX queue. */
287
288 typedef int (*eth_fw_version_get_t)(struct rte_eth_dev *dev,
289 char *fw_version, size_t fw_size);
290 /**< @internal Get firmware information of an Ethernet device. */
291
292 typedef int (*eth_tx_done_cleanup_t)(void *txq, uint32_t free_cnt);
293 /**< @internal Force mbufs to be from TX ring. */
294
295 typedef void (*eth_rxq_info_get_t)(struct rte_eth_dev *dev,
296 uint16_t rx_queue_id, struct rte_eth_rxq_info *qinfo);
297
298 typedef void (*eth_txq_info_get_t)(struct rte_eth_dev *dev,
299 uint16_t tx_queue_id, struct rte_eth_txq_info *qinfo);
300
301 typedef int (*eth_burst_mode_get_t)(struct rte_eth_dev *dev,
302 uint16_t queue_id, struct rte_eth_burst_mode *mode);
303
304 typedef int (*mtu_set_t)(struct rte_eth_dev *dev, uint16_t mtu);
305 /**< @internal Set MTU. */
306
307 typedef int (*vlan_filter_set_t)(struct rte_eth_dev *dev,
308 uint16_t vlan_id,
309 int on);
310 /**< @internal filtering of a VLAN Tag Identifier by an Ethernet device. */
311
312 typedef int (*vlan_tpid_set_t)(struct rte_eth_dev *dev,
313 enum rte_vlan_type type, uint16_t tpid);
314 /**< @internal set the outer/inner VLAN-TPID by an Ethernet device. */
315
316 typedef int (*vlan_offload_set_t)(struct rte_eth_dev *dev, int mask);
317 /**< @internal set VLAN offload function by an Ethernet device. */
318
319 typedef int (*vlan_pvid_set_t)(struct rte_eth_dev *dev,
320 uint16_t vlan_id,
321 int on);
322 /**< @internal set port based TX VLAN insertion by an Ethernet device. */
323
324 typedef void (*vlan_strip_queue_set_t)(struct rte_eth_dev *dev,
325 uint16_t rx_queue_id,
326 int on);
327 /**< @internal VLAN stripping enable/disable by an queue of Ethernet device. */
328
329 typedef int (*flow_ctrl_get_t)(struct rte_eth_dev *dev,
330 struct rte_eth_fc_conf *fc_conf);
331 /**< @internal Get current flow control parameter on an Ethernet device */
332
333 typedef int (*flow_ctrl_set_t)(struct rte_eth_dev *dev,
334 struct rte_eth_fc_conf *fc_conf);
335 /**< @internal Setup flow control parameter on an Ethernet device */
336
337 typedef int (*priority_flow_ctrl_set_t)(struct rte_eth_dev *dev,
338 struct rte_eth_pfc_conf *pfc_conf);
339 /**< @internal Setup priority flow control parameter on an Ethernet device */
340
341 typedef int (*reta_update_t)(struct rte_eth_dev *dev,
342 struct rte_eth_rss_reta_entry64 *reta_conf,
343 uint16_t reta_size);
344 /**< @internal Update RSS redirection table on an Ethernet device */
345
346 typedef int (*reta_query_t)(struct rte_eth_dev *dev,
347 struct rte_eth_rss_reta_entry64 *reta_conf,
348 uint16_t reta_size);
349 /**< @internal Query RSS redirection table on an Ethernet device */
350
351 typedef int (*rss_hash_update_t)(struct rte_eth_dev *dev,
352 struct rte_eth_rss_conf *rss_conf);
353 /**< @internal Update RSS hash configuration of an Ethernet device */
354
355 typedef int (*rss_hash_conf_get_t)(struct rte_eth_dev *dev,
356 struct rte_eth_rss_conf *rss_conf);
357 /**< @internal Get current RSS hash configuration of an Ethernet device */
358
359 typedef int (*eth_dev_led_on_t)(struct rte_eth_dev *dev);
360 /**< @internal Turn on SW controllable LED on an Ethernet device */
361
362 typedef int (*eth_dev_led_off_t)(struct rte_eth_dev *dev);
363 /**< @internal Turn off SW controllable LED on an Ethernet device */
364
365 typedef void (*eth_mac_addr_remove_t)(struct rte_eth_dev *dev, uint32_t index);
366 /**< @internal Remove MAC address from receive address register */
367
368 typedef int (*eth_mac_addr_add_t)(struct rte_eth_dev *dev,
369 struct rte_ether_addr *mac_addr,
370 uint32_t index,
371 uint32_t vmdq);
372 /**< @internal Set a MAC address into Receive Address Register */
373
374 typedef int (*eth_mac_addr_set_t)(struct rte_eth_dev *dev,
375 struct rte_ether_addr *mac_addr);
376 /**< @internal Set a MAC address into Receive Address Register */
377
378 typedef int (*eth_uc_hash_table_set_t)(struct rte_eth_dev *dev,
379 struct rte_ether_addr *mac_addr,
380 uint8_t on);
381 /**< @internal Set a Unicast Hash bitmap */
382
383 typedef int (*eth_uc_all_hash_table_set_t)(struct rte_eth_dev *dev,
384 uint8_t on);
385 /**< @internal Set all Unicast Hash bitmap */
386
387 typedef int (*eth_set_queue_rate_limit_t)(struct rte_eth_dev *dev,
388 uint16_t queue_idx,
389 uint16_t tx_rate);
390 /**< @internal Set queue TX rate */
391
392 typedef int (*eth_mirror_rule_set_t)(struct rte_eth_dev *dev,
393 struct rte_eth_mirror_conf *mirror_conf,
394 uint8_t rule_id,
395 uint8_t on);
396 /**< @internal Add a traffic mirroring rule on an Ethernet device */
397
398 typedef int (*eth_mirror_rule_reset_t)(struct rte_eth_dev *dev,
399 uint8_t rule_id);
400 /**< @internal Remove a traffic mirroring rule on an Ethernet device */
401
402 typedef int (*eth_udp_tunnel_port_add_t)(struct rte_eth_dev *dev,
403 struct rte_eth_udp_tunnel *tunnel_udp);
404 /**< @internal Add tunneling UDP port */
405
406 typedef int (*eth_udp_tunnel_port_del_t)(struct rte_eth_dev *dev,
407 struct rte_eth_udp_tunnel *tunnel_udp);
408 /**< @internal Delete tunneling UDP port */
409
410 typedef int (*eth_set_mc_addr_list_t)(struct rte_eth_dev *dev,
411 struct rte_ether_addr *mc_addr_set,
412 uint32_t nb_mc_addr);
413 /**< @internal set the list of multicast addresses on an Ethernet device */
414
415 typedef int (*eth_timesync_enable_t)(struct rte_eth_dev *dev);
416 /**< @internal Function used to enable IEEE1588/802.1AS timestamping. */
417
418 typedef int (*eth_timesync_disable_t)(struct rte_eth_dev *dev);
419 /**< @internal Function used to disable IEEE1588/802.1AS timestamping. */
420
421 typedef int (*eth_timesync_read_rx_timestamp_t)(struct rte_eth_dev *dev,
422 struct timespec *timestamp,
423 uint32_t flags);
424 /**< @internal Function used to read an RX IEEE1588/802.1AS timestamp. */
425
426 typedef int (*eth_timesync_read_tx_timestamp_t)(struct rte_eth_dev *dev,
427 struct timespec *timestamp);
428 /**< @internal Function used to read a TX IEEE1588/802.1AS timestamp. */
429
430 typedef int (*eth_timesync_adjust_time)(struct rte_eth_dev *dev, int64_t);
431 /**< @internal Function used to adjust the device clock */
432
433 typedef int (*eth_timesync_read_time)(struct rte_eth_dev *dev,
434 struct timespec *timestamp);
435 /**< @internal Function used to get time from the device clock. */
436
437 typedef int (*eth_timesync_write_time)(struct rte_eth_dev *dev,
438 const struct timespec *timestamp);
439 /**< @internal Function used to get time from the device clock */
440
441 typedef int (*eth_read_clock)(struct rte_eth_dev *dev,
442 uint64_t *timestamp);
443 /**< @internal Function used to get the current value of the device clock. */
444
445 typedef int (*eth_get_reg_t)(struct rte_eth_dev *dev,
446 struct rte_dev_reg_info *info);
447 /**< @internal Retrieve registers */
448
449 typedef int (*eth_get_eeprom_length_t)(struct rte_eth_dev *dev);
450 /**< @internal Retrieve eeprom size */
451
452 typedef int (*eth_get_eeprom_t)(struct rte_eth_dev *dev,
453 struct rte_dev_eeprom_info *info);
454 /**< @internal Retrieve eeprom data */
455
456 typedef int (*eth_set_eeprom_t)(struct rte_eth_dev *dev,
457 struct rte_dev_eeprom_info *info);
458 /**< @internal Program eeprom data */
459
460 typedef int (*eth_get_module_info_t)(struct rte_eth_dev *dev,
461 struct rte_eth_dev_module_info *modinfo);
462 /**< @internal Retrieve type and size of plugin module eeprom */
463
464 typedef int (*eth_get_module_eeprom_t)(struct rte_eth_dev *dev,
465 struct rte_dev_eeprom_info *info);
466 /**< @internal Retrieve plugin module eeprom data */
467
468 /**
469 * Feature filter types
470 */
471 enum rte_filter_type {
472 RTE_ETH_FILTER_NONE = 0,
473 RTE_ETH_FILTER_ETHERTYPE,
474 RTE_ETH_FILTER_FLEXIBLE,
475 RTE_ETH_FILTER_SYN,
476 RTE_ETH_FILTER_NTUPLE,
477 RTE_ETH_FILTER_TUNNEL,
478 RTE_ETH_FILTER_FDIR,
479 RTE_ETH_FILTER_HASH,
480 RTE_ETH_FILTER_L2_TUNNEL,
481 RTE_ETH_FILTER_GENERIC,
482 };
483
484 /**
485 * Generic operations on filters
486 */
487 enum rte_filter_op {
488 RTE_ETH_FILTER_GET, /**< get flow API ops */
489 };
490
491 typedef int (*eth_filter_ctrl_t)(struct rte_eth_dev *dev,
492 enum rte_filter_type filter_type,
493 enum rte_filter_op filter_op,
494 void *arg);
495 /**< @internal Take operations to assigned filter type on an Ethernet device */
496
497 typedef int (*eth_tm_ops_get_t)(struct rte_eth_dev *dev, void *ops);
498 /**< @internal Get Traffic Management (TM) operations on an Ethernet device */
499
500 typedef int (*eth_mtr_ops_get_t)(struct rte_eth_dev *dev, void *ops);
501 /**< @internal Get Traffic Metering and Policing (MTR) operations */
502
503 typedef int (*eth_get_dcb_info)(struct rte_eth_dev *dev,
504 struct rte_eth_dcb_info *dcb_info);
505 /**< @internal Get dcb information on an Ethernet device */
506
507 typedef int (*eth_pool_ops_supported_t)(struct rte_eth_dev *dev,
508 const char *pool);
509 /**< @internal Test if a port supports specific mempool ops */
510
511 /**
512 * @internal
513 * Get the hairpin capabilities.
514 *
515 * @param dev
516 * ethdev handle of port.
517 * @param cap
518 * returns the hairpin capabilities from the device.
519 *
520 * @return
521 * Negative errno value on error, 0 on success.
522 *
523 * @retval 0
524 * Success, hairpin is supported.
525 * @retval -ENOTSUP
526 * Hairpin is not supported.
527 */
528 typedef int (*eth_hairpin_cap_get_t)(struct rte_eth_dev *dev,
529 struct rte_eth_hairpin_cap *cap);
530
531 /**
532 * @internal
533 * Setup RX hairpin queue.
534 *
535 * @param dev
536 * ethdev handle of port.
537 * @param rx_queue_id
538 * the selected RX queue index.
539 * @param nb_rx_desc
540 * the requested number of descriptors for this queue. 0 - use PMD default.
541 * @param conf
542 * the RX hairpin configuration structure.
543 *
544 * @return
545 * Negative errno value on error, 0 on success.
546 *
547 * @retval 0
548 * Success, hairpin is supported.
549 * @retval -ENOTSUP
550 * Hairpin is not supported.
551 * @retval -EINVAL
552 * One of the parameters is invalid.
553 * @retval -ENOMEM
554 * Unable to allocate resources.
555 */
556 typedef int (*eth_rx_hairpin_queue_setup_t)
557 (struct rte_eth_dev *dev, uint16_t rx_queue_id,
558 uint16_t nb_rx_desc,
559 const struct rte_eth_hairpin_conf *conf);
560
561 /**
562 * @internal
563 * Setup TX hairpin queue.
564 *
565 * @param dev
566 * ethdev handle of port.
567 * @param tx_queue_id
568 * the selected TX queue index.
569 * @param nb_tx_desc
570 * the requested number of descriptors for this queue. 0 - use PMD default.
571 * @param conf
572 * the TX hairpin configuration structure.
573 *
574 * @return
575 * Negative errno value on error, 0 on success.
576 *
577 * @retval 0
578 * Success, hairpin is supported.
579 * @retval -ENOTSUP
580 * Hairpin is not supported.
581 * @retval -EINVAL
582 * One of the parameters is invalid.
583 * @retval -ENOMEM
584 * Unable to allocate resources.
585 */
586 typedef int (*eth_tx_hairpin_queue_setup_t)
587 (struct rte_eth_dev *dev, uint16_t tx_queue_id,
588 uint16_t nb_tx_desc,
589 const struct rte_eth_hairpin_conf *hairpin_conf);
590
591 /**
592 * @internal
593 * Get Forward Error Correction(FEC) capability.
594 *
595 * @param dev
596 * ethdev handle of port.
597 * @param speed_fec_capa
598 * speed_fec_capa is out only with per-speed capabilities.
599 * @param num
600 * a number of elements in an speed_fec_capa array.
601 *
602 * @return
603 * Negative errno value on error, positive value on success.
604 *
605 * @retval positive value
606 * A non-negative value lower or equal to num: success. The return value
607 * is the number of entries filled in the fec capa array.
608 * A non-negative value higher than num: error, the given fec capa array
609 * is too small. The return value corresponds to the num that should
610 * be given to succeed. The entries in the fec capa array are not valid
611 * and shall not be used by the caller.
612 * @retval -ENOTSUP
613 * Operation is not supported.
614 * @retval -EIO
615 * Device is removed.
616 * @retval -EINVAL
617 * *num* or *speed_fec_capa* invalid.
618 */
619 typedef int (*eth_fec_get_capability_t)(struct rte_eth_dev *dev,
620 struct rte_eth_fec_capa *speed_fec_capa, unsigned int num);
621
622 /**
623 * @internal
624 * Get Forward Error Correction(FEC) mode.
625 *
626 * @param dev
627 * ethdev handle of port.
628 * @param fec_capa
629 * a bitmask of enabled FEC modes. If AUTO bit is set, other
630 * bits specify FEC modes which may be negotiated. If AUTO
631 * bit is clear, specify FEC modes to be used (only one valid
632 * mode per speed may be set).
633 *
634 * @return
635 * Negative errno value on error, 0 on success.
636 *
637 * @retval 0
638 * Success, get FEC success.
639 * @retval -ENOTSUP
640 * Operation is not supported.
641 * @retval -EIO
642 * Device is removed.
643 */
644 typedef int (*eth_fec_get_t)(struct rte_eth_dev *dev,
645 uint32_t *fec_capa);
646
647 /**
648 * @internal
649 * Set Forward Error Correction(FEC) mode.
650 *
651 * @param dev
652 * ethdev handle of port.
653 * @param fec_capa
654 * bitmask of allowed FEC modes. It must be only one
655 * if AUTO is disabled. If AUTO is enabled, other
656 * bits specify FEC modes which may be negotiated.
657 *
658 * @return
659 * Negative errno value on error, 0 on success.
660 *
661 * @retval 0
662 * Success, set FEC success.
663 * @retval -ENOTSUP
664 * Operation is not supported.
665 * @retval -EINVAL
666 * Unsupported FEC mode requested.
667 * @retval -EIO
668 * Device is removed.
669 */
670 typedef int (*eth_fec_set_t)(struct rte_eth_dev *dev, uint32_t fec_capa);
671
672 /**
673 * @internal
674 * Get all hairpin Tx/Rx peer ports of the current device, if any.
675 *
676 * @param dev
677 * ethdev handle of port.
678 * @param peer_ports
679 * array to save the ports list.
680 * @param len
681 * array length.
682 * @param direction
683 * value to decide the current to peer direction
684 * positive - used as Tx to get all peer Rx ports.
685 * zero - used as Rx to get all peer Tx ports.
686 *
687 * @return
688 * Negative errno value on error, 0 or positive on success.
689 *
690 * @retval 0
691 * Success, no peer ports.
692 * @retval >0
693 * Actual number of the peer ports.
694 * @retval -ENOTSUP
695 * Get peer ports API is not supported.
696 * @retval -EINVAL
697 * One of the parameters is invalid.
698 */
699 typedef int (*hairpin_get_peer_ports_t)(struct rte_eth_dev *dev,
700 uint16_t *peer_ports, size_t len,
701 uint32_t direction);
702
703 /**
704 * @internal
705 * Bind all hairpin Tx queues of one port to the Rx queues of the peer port.
706 *
707 * @param dev
708 * ethdev handle of port.
709 * @param rx_port
710 * the peer Rx port.
711 *
712 * @return
713 * Negative errno value on error, 0 on success.
714 *
715 * @retval 0
716 * Success, bind successfully.
717 * @retval -ENOTSUP
718 * Bind API is not supported.
719 * @retval -EINVAL
720 * One of the parameters is invalid.
721 * @retval -EBUSY
722 * Device is not started.
723 */
724 typedef int (*eth_hairpin_bind_t)(struct rte_eth_dev *dev,
725 uint16_t rx_port);
726
727 /**
728 * @internal
729 * Unbind all hairpin Tx queues of one port from the Rx queues of the peer port.
730 *
731 * @param dev
732 * ethdev handle of port.
733 * @param rx_port
734 * the peer Rx port.
735 *
736 * @return
737 * Negative errno value on error, 0 on success.
738 *
739 * @retval 0
740 * Success, unbind successfully.
741 * @retval -ENOTSUP
742 * Bind API is not supported.
743 * @retval -EINVAL
744 * One of the parameters is invalid.
745 * @retval -EBUSY
746 * Device is already stopped.
747 */
748 typedef int (*eth_hairpin_unbind_t)(struct rte_eth_dev *dev,
749 uint16_t rx_port);
750
751 typedef int (*eth_hairpin_queue_peer_update_t)
752 (struct rte_eth_dev *dev, uint16_t peer_queue,
753 struct rte_hairpin_peer_info *current_info,
754 struct rte_hairpin_peer_info *peer_info, uint32_t direction);
755 /**< @internal Update and fetch peer queue information. */
756
757 typedef int (*eth_hairpin_queue_peer_bind_t)
758 (struct rte_eth_dev *dev, uint16_t cur_queue,
759 struct rte_hairpin_peer_info *peer_info, uint32_t direction);
760 /**< @internal Bind peer queue to the current queue with fetched information. */
761
762 typedef int (*eth_hairpin_queue_peer_unbind_t)
763 (struct rte_eth_dev *dev, uint16_t cur_queue, uint32_t direction);
764 /**< @internal Unbind peer queue from the current queue. */
765
766 /**
767 * @internal A structure containing the functions exported by an Ethernet driver.
768 */
769 struct eth_dev_ops {
770 eth_dev_configure_t dev_configure; /**< Configure device. */
771 eth_dev_start_t dev_start; /**< Start device. */
772 eth_dev_stop_t dev_stop; /**< Stop device. */
773 eth_dev_set_link_up_t dev_set_link_up; /**< Device link up. */
774 eth_dev_set_link_down_t dev_set_link_down; /**< Device link down. */
775 eth_dev_close_t dev_close; /**< Close device. */
776 eth_dev_reset_t dev_reset; /**< Reset device. */
777 eth_link_update_t link_update; /**< Get device link state. */
778 eth_is_removed_t is_removed;
779 /**< Check if the device was physically removed. */
780
781 eth_promiscuous_enable_t promiscuous_enable; /**< Promiscuous ON. */
782 eth_promiscuous_disable_t promiscuous_disable;/**< Promiscuous OFF. */
783 eth_allmulticast_enable_t allmulticast_enable;/**< RX multicast ON. */
784 eth_allmulticast_disable_t allmulticast_disable;/**< RX multicast OFF. */
785 eth_mac_addr_remove_t mac_addr_remove; /**< Remove MAC address. */
786 eth_mac_addr_add_t mac_addr_add; /**< Add a MAC address. */
787 eth_mac_addr_set_t mac_addr_set; /**< Set a MAC address. */
788 eth_set_mc_addr_list_t set_mc_addr_list; /**< set list of mcast addrs. */
789 mtu_set_t mtu_set; /**< Set MTU. */
790
791 eth_stats_get_t stats_get; /**< Get generic device statistics. */
792 eth_stats_reset_t stats_reset; /**< Reset generic device statistics. */
793 eth_xstats_get_t xstats_get; /**< Get extended device statistics. */
794 eth_xstats_reset_t xstats_reset; /**< Reset extended device statistics. */
795 eth_xstats_get_names_t xstats_get_names;
796 /**< Get names of extended statistics. */
797 eth_queue_stats_mapping_set_t queue_stats_mapping_set;
798 /**< Configure per queue stat counter mapping. */
799
800 eth_dev_infos_get_t dev_infos_get; /**< Get device info. */
801 eth_rxq_info_get_t rxq_info_get; /**< retrieve RX queue information. */
802 eth_txq_info_get_t txq_info_get; /**< retrieve TX queue information. */
803 eth_burst_mode_get_t rx_burst_mode_get; /**< Get RX burst mode */
804 eth_burst_mode_get_t tx_burst_mode_get; /**< Get TX burst mode */
805 eth_fw_version_get_t fw_version_get; /**< Get firmware version. */
806 eth_dev_supported_ptypes_get_t dev_supported_ptypes_get;
807 /**< Get packet types supported and identified by device. */
808 eth_dev_ptypes_set_t dev_ptypes_set;
809 /**< Inform Ethernet device about reduced range of packet types to handle. */
810
811 vlan_filter_set_t vlan_filter_set; /**< Filter VLAN Setup. */
812 vlan_tpid_set_t vlan_tpid_set; /**< Outer/Inner VLAN TPID Setup. */
813 vlan_strip_queue_set_t vlan_strip_queue_set; /**< VLAN Stripping on queue. */
814 vlan_offload_set_t vlan_offload_set; /**< Set VLAN Offload. */
815 vlan_pvid_set_t vlan_pvid_set; /**< Set port based TX VLAN insertion. */
816
817 eth_queue_start_t rx_queue_start;/**< Start RX for a queue. */
818 eth_queue_stop_t rx_queue_stop; /**< Stop RX for a queue. */
819 eth_queue_start_t tx_queue_start;/**< Start TX for a queue. */
820 eth_queue_stop_t tx_queue_stop; /**< Stop TX for a queue. */
821 eth_rx_queue_setup_t rx_queue_setup;/**< Set up device RX queue. */
822 eth_queue_release_t rx_queue_release; /**< Release RX queue. */
823
824 eth_rx_enable_intr_t rx_queue_intr_enable; /**< Enable Rx queue interrupt. */
825 eth_rx_disable_intr_t rx_queue_intr_disable; /**< Disable Rx queue interrupt. */
826 eth_tx_queue_setup_t tx_queue_setup;/**< Set up device TX queue. */
827 eth_queue_release_t tx_queue_release; /**< Release TX queue. */
828 eth_tx_done_cleanup_t tx_done_cleanup;/**< Free tx ring mbufs */
829
830 eth_dev_led_on_t dev_led_on; /**< Turn on LED. */
831 eth_dev_led_off_t dev_led_off; /**< Turn off LED. */
832
833 flow_ctrl_get_t flow_ctrl_get; /**< Get flow control. */
834 flow_ctrl_set_t flow_ctrl_set; /**< Setup flow control. */
835 priority_flow_ctrl_set_t priority_flow_ctrl_set; /**< Setup priority flow control. */
836
837 eth_uc_hash_table_set_t uc_hash_table_set; /**< Set Unicast Table Array. */
838 eth_uc_all_hash_table_set_t uc_all_hash_table_set; /**< Set Unicast hash bitmap. */
839
840 eth_mirror_rule_set_t mirror_rule_set; /**< Add a traffic mirror rule. */
841 eth_mirror_rule_reset_t mirror_rule_reset; /**< reset a traffic mirror rule. */
842
843 eth_udp_tunnel_port_add_t udp_tunnel_port_add; /** Add UDP tunnel port. */
844 eth_udp_tunnel_port_del_t udp_tunnel_port_del; /** Del UDP tunnel port. */
845
846 eth_set_queue_rate_limit_t set_queue_rate_limit; /**< Set queue rate limit. */
847
848 rss_hash_update_t rss_hash_update; /** Configure RSS hash protocols. */
849 rss_hash_conf_get_t rss_hash_conf_get; /** Get current RSS hash configuration. */
850 reta_update_t reta_update; /** Update redirection table. */
851 reta_query_t reta_query; /** Query redirection table. */
852
853 eth_get_reg_t get_reg; /**< Get registers. */
854 eth_get_eeprom_length_t get_eeprom_length; /**< Get eeprom length. */
855 eth_get_eeprom_t get_eeprom; /**< Get eeprom data. */
856 eth_set_eeprom_t set_eeprom; /**< Set eeprom. */
857
858 eth_get_module_info_t get_module_info;
859 /** Get plugin module eeprom attribute. */
860 eth_get_module_eeprom_t get_module_eeprom;
861 /** Get plugin module eeprom data. */
862
863 eth_filter_ctrl_t filter_ctrl; /**< common filter control. */
864
865 eth_get_dcb_info get_dcb_info; /** Get DCB information. */
866
867 eth_timesync_enable_t timesync_enable;
868 /** Turn IEEE1588/802.1AS timestamping on. */
869 eth_timesync_disable_t timesync_disable;
870 /** Turn IEEE1588/802.1AS timestamping off. */
871 eth_timesync_read_rx_timestamp_t timesync_read_rx_timestamp;
872 /** Read the IEEE1588/802.1AS RX timestamp. */
873 eth_timesync_read_tx_timestamp_t timesync_read_tx_timestamp;
874 /** Read the IEEE1588/802.1AS TX timestamp. */
875 eth_timesync_adjust_time timesync_adjust_time; /** Adjust the device clock. */
876 eth_timesync_read_time timesync_read_time; /** Get the device clock time. */
877 eth_timesync_write_time timesync_write_time; /** Set the device clock time. */
878
879 eth_read_clock read_clock;
880
881 eth_xstats_get_by_id_t xstats_get_by_id;
882 /**< Get extended device statistic values by ID. */
883 eth_xstats_get_names_by_id_t xstats_get_names_by_id;
884 /**< Get name of extended device statistics by ID. */
885
886 eth_tm_ops_get_t tm_ops_get;
887 /**< Get Traffic Management (TM) operations. */
888
889 eth_mtr_ops_get_t mtr_ops_get;
890 /**< Get Traffic Metering and Policing (MTR) operations. */
891
892 eth_pool_ops_supported_t pool_ops_supported;
893 /**< Test if a port supports specific mempool ops */
894
895 eth_hairpin_cap_get_t hairpin_cap_get;
896 /**< Returns the hairpin capabilities. */
897 eth_rx_hairpin_queue_setup_t rx_hairpin_queue_setup;
898 /**< Set up device RX hairpin queue. */
899 eth_tx_hairpin_queue_setup_t tx_hairpin_queue_setup;
900 /**< Set up device TX hairpin queue. */
901
902 eth_fec_get_capability_t fec_get_capability;
903 /**< Get Forward Error Correction(FEC) capability. */
904 eth_fec_get_t fec_get;
905 /**< Get Forward Error Correction(FEC) mode. */
906 eth_fec_set_t fec_set;
907 /**< Set Forward Error Correction(FEC) mode. */
908 hairpin_get_peer_ports_t hairpin_get_peer_ports;
909 /**< Get hairpin peer ports list. */
910 eth_hairpin_bind_t hairpin_bind;
911 /**< Bind all hairpin Tx queues of device to the peer port Rx queues. */
912 eth_hairpin_unbind_t hairpin_unbind;
913 /**< Unbind all hairpin Tx queues from the peer port Rx queues. */
914 eth_hairpin_queue_peer_update_t hairpin_queue_peer_update;
915 /**< Pass the current queue info and get the peer queue info. */
916 eth_hairpin_queue_peer_bind_t hairpin_queue_peer_bind;
917 /**< Set up the connection between the pair of hairpin queues. */
918 eth_hairpin_queue_peer_unbind_t hairpin_queue_peer_unbind;
919 /**< Disconnect the hairpin queues of a pair from each other. */
920 };
921
922 /**
923 * RX/TX queue states
924 */
925 #define RTE_ETH_QUEUE_STATE_STOPPED 0
926 #define RTE_ETH_QUEUE_STATE_STARTED 1
927 #define RTE_ETH_QUEUE_STATE_HAIRPIN 2
928
929 /**
930 * @internal
931 * Check if the selected Rx queue is hairpin queue.
932 *
933 * @param dev
934 * Pointer to the selected device.
935 * @param queue_id
936 * The selected queue.
937 *
938 * @return
939 * - (1) if the queue is hairpin queue, 0 otherwise.
940 */
941 __rte_internal
942 int rte_eth_dev_is_rx_hairpin_queue(struct rte_eth_dev *dev, uint16_t queue_id);
943
944 /**
945 * @internal
946 * Check if the selected Tx queue is hairpin queue.
947 *
948 * @param dev
949 * Pointer to the selected device.
950 * @param queue_id
951 * The selected queue.
952 *
953 * @return
954 * - (1) if the queue is hairpin queue, 0 otherwise.
955 */
956 __rte_internal
957 int rte_eth_dev_is_tx_hairpin_queue(struct rte_eth_dev *dev, uint16_t queue_id);
958
959 /**
960 * @internal
961 * Returns a ethdev slot specified by the unique identifier name.
962 *
963 * @param name
964 * The pointer to the Unique identifier name for each Ethernet device
965 * @return
966 * - The pointer to the ethdev slot, on success. NULL on error
967 */
968 __rte_internal
969 struct rte_eth_dev *rte_eth_dev_allocated(const char *name);
970
971 /**
972 * @internal
973 * Allocates a new ethdev slot for an ethernet device and returns the pointer
974 * to that slot for the driver to use.
975 *
976 * @param name Unique identifier name for each Ethernet device
977 * @return
978 * - Slot in the rte_dev_devices array for a new device;
979 */
980 __rte_internal
981 struct rte_eth_dev *rte_eth_dev_allocate(const char *name);
982
983 /**
984 * @internal
985 * Attach to the ethdev already initialized by the primary
986 * process.
987 *
988 * @param name Ethernet device's name.
989 * @return
990 * - Success: Slot in the rte_dev_devices array for attached
991 * device.
992 * - Error: Null pointer.
993 */
994 __rte_internal
995 struct rte_eth_dev *rte_eth_dev_attach_secondary(const char *name);
996
997 /**
998 * @internal
999 * Notify RTE_ETH_EVENT_DESTROY and release the specified ethdev port.
1000 *
1001 * The following PMD-managed data fields will be freed:
1002 * - dev_private
1003 * - mac_addrs
1004 * - hash_mac_addrs
1005 * If one of these fields should not be freed,
1006 * it must be reset to NULL by the PMD, typically in dev_close method.
1007 *
1008 * @param eth_dev
1009 * Device to be detached.
1010 * @return
1011 * - 0 on success, negative on error
1012 */
1013 __rte_internal
1014 int rte_eth_dev_release_port(struct rte_eth_dev *eth_dev);
1015
1016 /**
1017 * @internal
1018 * Release device queues and clear its configuration to force the user
1019 * application to reconfigure it. It is for internal use only.
1020 *
1021 * @param dev
1022 * Pointer to struct rte_eth_dev.
1023 *
1024 * @return
1025 * void
1026 */
1027 __rte_internal
1028 void rte_eth_dev_internal_reset(struct rte_eth_dev *dev);
1029
1030 /**
1031 * @internal Executes all the user application registered callbacks for
1032 * the specific device. It is for DPDK internal user only. User
1033 * application should not call it directly.
1034 *
1035 * @param dev
1036 * Pointer to struct rte_eth_dev.
1037 * @param event
1038 * Eth device interrupt event type.
1039 * @param ret_param
1040 * To pass data back to user application.
1041 * This allows the user application to decide if a particular function
1042 * is permitted or not.
1043 *
1044 * @return
1045 * int
1046 */
1047 __rte_internal
1048 int rte_eth_dev_callback_process(struct rte_eth_dev *dev,
1049 enum rte_eth_event_type event, void *ret_param);
1050
1051 /**
1052 * @internal
1053 * This is the last step of device probing.
1054 * It must be called after a port is allocated and initialized successfully.
1055 *
1056 * The notification RTE_ETH_EVENT_NEW is sent to other entities
1057 * (libraries and applications).
1058 * The state is set as RTE_ETH_DEV_ATTACHED.
1059 *
1060 * @param dev
1061 * New ethdev port.
1062 */
1063 __rte_internal
1064 void rte_eth_dev_probing_finish(struct rte_eth_dev *dev);
1065
1066 /**
1067 * Create memzone for HW rings.
1068 * malloc can't be used as the physical address is needed.
1069 * If the memzone is already created, then this function returns a ptr
1070 * to the old one.
1071 *
1072 * @param eth_dev
1073 * The *eth_dev* pointer is the address of the *rte_eth_dev* structure
1074 * @param name
1075 * The name of the memory zone
1076 * @param queue_id
1077 * The index of the queue to add to name
1078 * @param size
1079 * The sizeof of the memory area
1080 * @param align
1081 * Alignment for resulting memzone. Must be a power of 2.
1082 * @param socket_id
1083 * The *socket_id* argument is the socket identifier in case of NUMA.
1084 */
1085 __rte_internal
1086 const struct rte_memzone *
1087 rte_eth_dma_zone_reserve(const struct rte_eth_dev *eth_dev, const char *name,
1088 uint16_t queue_id, size_t size,
1089 unsigned align, int socket_id);
1090
1091 /**
1092 * Free previously allocated memzone for HW rings.
1093 *
1094 * @param eth_dev
1095 * The *eth_dev* pointer is the address of the *rte_eth_dev* structure
1096 * @param name
1097 * The name of the memory zone
1098 * @param queue_id
1099 * The index of the queue to add to name
1100 * @return
1101 * Negative errno value on error, 0 on success.
1102 */
1103 __rte_internal
1104 int
1105 rte_eth_dma_zone_free(const struct rte_eth_dev *eth_dev, const char *name,
1106 uint16_t queue_id);
1107
1108 /**
1109 * @internal
1110 * Atomically set the link status for the specific device.
1111 * It is for use by DPDK device driver use only.
1112 * User applications should not call it
1113 *
1114 * @param dev
1115 * Pointer to struct rte_eth_dev.
1116 * @param link
1117 * New link status value.
1118 * @return
1119 * Same convention as eth_link_update operation.
1120 * 0 if link up status has changed
1121 * -1 if link up status was unchanged
1122 */
1123 static inline int
rte_eth_linkstatus_set(struct rte_eth_dev * dev,const struct rte_eth_link * new_link)1124 rte_eth_linkstatus_set(struct rte_eth_dev *dev,
1125 const struct rte_eth_link *new_link)
1126 {
1127 uint64_t *dev_link = (uint64_t *)&(dev->data->dev_link);
1128 union {
1129 uint64_t val64;
1130 struct rte_eth_link link;
1131 } orig;
1132
1133 RTE_BUILD_BUG_ON(sizeof(*new_link) != sizeof(uint64_t));
1134
1135 orig.val64 = __atomic_exchange_n(dev_link, *(const uint64_t *)new_link,
1136 __ATOMIC_SEQ_CST);
1137
1138 return (orig.link.link_status == new_link->link_status) ? -1 : 0;
1139 }
1140
1141 /**
1142 * @internal
1143 * Atomically get the link speed and status.
1144 *
1145 * @param dev
1146 * Pointer to struct rte_eth_dev.
1147 * @param link
1148 * link status value.
1149 */
1150 static inline void
rte_eth_linkstatus_get(const struct rte_eth_dev * dev,struct rte_eth_link * link)1151 rte_eth_linkstatus_get(const struct rte_eth_dev *dev,
1152 struct rte_eth_link *link)
1153 {
1154 uint64_t *src = (uint64_t *)&(dev->data->dev_link);
1155 uint64_t *dst = (uint64_t *)link;
1156
1157 RTE_BUILD_BUG_ON(sizeof(*link) != sizeof(uint64_t));
1158
1159 *dst = __atomic_load_n(src, __ATOMIC_SEQ_CST);
1160 }
1161
1162 /**
1163 * Allocate an unique switch domain identifier.
1164 *
1165 * A pool of switch domain identifiers which can be allocated on request. This
1166 * will enabled devices which support the concept of switch domains to request
1167 * a switch domain id which is guaranteed to be unique from other devices
1168 * running in the same process.
1169 *
1170 * @param domain_id
1171 * switch domain identifier parameter to pass back to application
1172 *
1173 * @return
1174 * Negative errno value on error, 0 on success.
1175 */
1176 __rte_internal
1177 int
1178 rte_eth_switch_domain_alloc(uint16_t *domain_id);
1179
1180 /**
1181 * Free switch domain.
1182 *
1183 * Return a switch domain identifier to the pool of free identifiers after it is
1184 * no longer in use by device.
1185 *
1186 * @param domain_id
1187 * switch domain identifier to free
1188 *
1189 * @return
1190 * Negative errno value on error, 0 on success.
1191 */
1192 __rte_internal
1193 int
1194 rte_eth_switch_domain_free(uint16_t domain_id);
1195
1196 /** Generic Ethernet device arguments */
1197 struct rte_eth_devargs {
1198 uint16_t ports[RTE_MAX_ETHPORTS];
1199 /** port/s number to enable on a multi-port single function */
1200 uint16_t nb_ports;
1201 /** number of ports in ports field */
1202 uint16_t representor_ports[RTE_MAX_ETHPORTS];
1203 /** representor port/s identifier to enable on device */
1204 uint16_t nb_representor_ports;
1205 /** number of ports in representor port field */
1206 };
1207
1208 /**
1209 * PMD helper function to parse ethdev arguments
1210 *
1211 * @param devargs
1212 * device arguments
1213 * @param eth_devargs
1214 * parsed ethdev specific arguments.
1215 *
1216 * @return
1217 * Negative errno value on error, 0 on success.
1218 */
1219 __rte_internal
1220 int
1221 rte_eth_devargs_parse(const char *devargs, struct rte_eth_devargs *eth_devargs);
1222
1223
1224 typedef int (*ethdev_init_t)(struct rte_eth_dev *ethdev, void *init_params);
1225 typedef int (*ethdev_bus_specific_init)(struct rte_eth_dev *ethdev,
1226 void *bus_specific_init_params);
1227
1228 /**
1229 * PMD helper function for the creation of a new ethdev ports.
1230 *
1231 * @param device
1232 * rte_device handle.
1233 * @param name
1234 * port name.
1235 * @param priv_data_size
1236 * size of private data required for port.
1237 * @param bus_specific_init
1238 * port bus specific initialisation callback function
1239 * @param bus_init_params
1240 * port bus specific initialisation parameters
1241 * @param ethdev_init
1242 * device specific port initialization callback function
1243 * @param init_params
1244 * port initialisation parameters
1245 *
1246 * @return
1247 * Negative errno value on error, 0 on success.
1248 */
1249 __rte_internal
1250 int
1251 rte_eth_dev_create(struct rte_device *device, const char *name,
1252 size_t priv_data_size,
1253 ethdev_bus_specific_init bus_specific_init, void *bus_init_params,
1254 ethdev_init_t ethdev_init, void *init_params);
1255
1256
1257 typedef int (*ethdev_uninit_t)(struct rte_eth_dev *ethdev);
1258
1259 /**
1260 * PMD helper function for cleaning up the resources of a ethdev port on it's
1261 * destruction.
1262 *
1263 * @param ethdev
1264 * ethdev handle of port.
1265 * @param ethdev_uninit
1266 * device specific port un-initialise callback function
1267 *
1268 * @return
1269 * Negative errno value on error, 0 on success.
1270 */
1271 __rte_internal
1272 int
1273 rte_eth_dev_destroy(struct rte_eth_dev *ethdev, ethdev_uninit_t ethdev_uninit);
1274
1275 /**
1276 * @internal
1277 * Pass the current hairpin queue HW and/or SW information to the peer queue
1278 * and fetch back the information of the peer queue.
1279 *
1280 * @param peer_port
1281 * Peer port identifier of the Ethernet device.
1282 * @param peer_queue
1283 * Peer queue index of the port.
1284 * @param cur_info
1285 * Pointer to the current information structure.
1286 * @param peer_info
1287 * Pointer to the peer information, output.
1288 * @param direction
1289 * Direction to pass the information.
1290 * positive - pass Tx queue information and get peer Rx queue information
1291 * zero - pass Rx queue information and get peer Tx queue information
1292 *
1293 * @return
1294 * Negative errno value on error, 0 on success.
1295 */
1296 __rte_internal
1297 int
1298 rte_eth_hairpin_queue_peer_update(uint16_t peer_port, uint16_t peer_queue,
1299 struct rte_hairpin_peer_info *cur_info,
1300 struct rte_hairpin_peer_info *peer_info,
1301 uint32_t direction);
1302
1303 /**
1304 * @internal
1305 * Configure current hairpin queue with the peer information fetched to create
1306 * the connection (bind) with peer queue in the specified direction.
1307 * This function might need to be called twice to fully create the connections.
1308 *
1309 * @param cur_port
1310 * Current port identifier of the Ethernet device.
1311 * @param cur_queue
1312 * Current queue index of the port.
1313 * @param peer_info
1314 * Pointer to the peer information, input.
1315 * @param direction
1316 * Direction to create the connection.
1317 * positive - bind current Tx queue to peer Rx queue
1318 * zero - bind current Rx queue to peer Tx queue
1319 *
1320 * @return
1321 * Negative errno value on error, 0 on success.
1322 */
1323 __rte_internal
1324 int
1325 rte_eth_hairpin_queue_peer_bind(uint16_t cur_port, uint16_t cur_queue,
1326 struct rte_hairpin_peer_info *peer_info,
1327 uint32_t direction);
1328
1329 /**
1330 * @internal
1331 * Reset the current queue state and configuration to disconnect (unbind) it
1332 * from the peer queue.
1333 * This function might need to be called twice to disconnect each other.
1334 *
1335 * @param cur_port
1336 * Current port identifier of the Ethernet device.
1337 * @param cur_queue
1338 * Current queue index of the port.
1339 * @param direction
1340 * Direction to destroy the connection.
1341 * positive - unbind current Tx queue from peer Rx queue
1342 * zero - unbind current Rx queue from peer Tx queue
1343 *
1344 * @return
1345 * Negative errno value on error, 0 on success.
1346 */
1347 __rte_internal
1348 int
1349 rte_eth_hairpin_queue_peer_unbind(uint16_t cur_port, uint16_t cur_queue,
1350 uint32_t direction);
1351
1352
1353 /*
1354 * Legacy ethdev API used internally by drivers.
1355 */
1356
1357 /**
1358 * Define all structures for Ethertype Filter type.
1359 */
1360
1361 #define RTE_ETHTYPE_FLAGS_MAC 0x0001 /**< If set, compare mac */
1362 #define RTE_ETHTYPE_FLAGS_DROP 0x0002 /**< If set, drop packet when match */
1363
1364 /**
1365 * A structure used to define the ethertype filter entry
1366 * to support RTE_ETH_FILTER_ETHERTYPE data representation.
1367 */
1368 struct rte_eth_ethertype_filter {
1369 struct rte_ether_addr mac_addr; /**< Mac address to match. */
1370 uint16_t ether_type; /**< Ether type to match */
1371 uint16_t flags; /**< Flags from RTE_ETHTYPE_FLAGS_* */
1372 uint16_t queue; /**< Queue assigned to when match*/
1373 };
1374
1375 /**
1376 * A structure used to define the TCP syn filter entry
1377 * to support RTE_ETH_FILTER_SYN data representation.
1378 */
1379 struct rte_eth_syn_filter {
1380 /** 1 - higher priority than other filters, 0 - lower priority. */
1381 uint8_t hig_pri;
1382 uint16_t queue; /**< Queue assigned to when match */
1383 };
1384
1385 /**
1386 * filter type of tunneling packet
1387 */
1388 #define ETH_TUNNEL_FILTER_OMAC 0x01 /**< filter by outer MAC addr */
1389 #define ETH_TUNNEL_FILTER_OIP 0x02 /**< filter by outer IP Addr */
1390 #define ETH_TUNNEL_FILTER_TENID 0x04 /**< filter by tenant ID */
1391 #define ETH_TUNNEL_FILTER_IMAC 0x08 /**< filter by inner MAC addr */
1392 #define ETH_TUNNEL_FILTER_IVLAN 0x10 /**< filter by inner VLAN ID */
1393 #define ETH_TUNNEL_FILTER_IIP 0x20 /**< filter by inner IP addr */
1394
1395 #define RTE_TUNNEL_FILTER_IMAC_IVLAN (ETH_TUNNEL_FILTER_IMAC | \
1396 ETH_TUNNEL_FILTER_IVLAN)
1397 #define RTE_TUNNEL_FILTER_IMAC_IVLAN_TENID (ETH_TUNNEL_FILTER_IMAC | \
1398 ETH_TUNNEL_FILTER_IVLAN | \
1399 ETH_TUNNEL_FILTER_TENID)
1400 #define RTE_TUNNEL_FILTER_IMAC_TENID (ETH_TUNNEL_FILTER_IMAC | \
1401 ETH_TUNNEL_FILTER_TENID)
1402 #define RTE_TUNNEL_FILTER_OMAC_TENID_IMAC (ETH_TUNNEL_FILTER_OMAC | \
1403 ETH_TUNNEL_FILTER_TENID | \
1404 ETH_TUNNEL_FILTER_IMAC)
1405
1406 /**
1407 * Select IPv4 or IPv6 for tunnel filters.
1408 */
1409 enum rte_tunnel_iptype {
1410 RTE_TUNNEL_IPTYPE_IPV4 = 0, /**< IPv4. */
1411 RTE_TUNNEL_IPTYPE_IPV6, /**< IPv6. */
1412 };
1413
1414 /**
1415 * Tunneling Packet filter configuration.
1416 */
1417 struct rte_eth_tunnel_filter_conf {
1418 struct rte_ether_addr outer_mac; /**< Outer MAC address to match. */
1419 struct rte_ether_addr inner_mac; /**< Inner MAC address to match. */
1420 uint16_t inner_vlan; /**< Inner VLAN to match. */
1421 enum rte_tunnel_iptype ip_type; /**< IP address type. */
1422 /**
1423 * Outer destination IP address to match if ETH_TUNNEL_FILTER_OIP
1424 * is set in filter_type, or inner destination IP address to match
1425 * if ETH_TUNNEL_FILTER_IIP is set in filter_type.
1426 */
1427 union {
1428 uint32_t ipv4_addr; /**< IPv4 address in big endian. */
1429 uint32_t ipv6_addr[4]; /**< IPv6 address in big endian. */
1430 } ip_addr;
1431 /** Flags from ETH_TUNNEL_FILTER_XX - see above. */
1432 uint16_t filter_type;
1433 enum rte_eth_tunnel_type tunnel_type; /**< Tunnel Type. */
1434 uint32_t tenant_id; /**< Tenant ID to match. VNI, GRE key... */
1435 uint16_t queue_id; /**< Queue assigned to if match. */
1436 };
1437
1438 #ifdef __cplusplus
1439 }
1440 #endif
1441
1442 #endif /* _RTE_ETHDEV_DRIVER_H_ */
1443