1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2017 Intel Corporation
5 #ifndef _RTE_ETHDEV_DRIVER_H_
6 #define _RTE_ETHDEV_DRIVER_H_
11 * RTE Ethernet Device PMD API
13 * These APIs for the use from Ethernet drivers, user applications shouldn't
18 #include <rte_ethdev.h>
24 /**< @internal Declaration of the hairpin peer queue information structure. */
25 struct rte_hairpin_peer_info;
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.
33 typedef int (*eth_dev_configure_t)(struct rte_eth_dev *dev);
34 /**< @internal Ethernet device configuration. */
36 typedef int (*eth_dev_start_t)(struct rte_eth_dev *dev);
37 /**< @internal Function used to start a configured Ethernet device. */
39 typedef int (*eth_dev_stop_t)(struct rte_eth_dev *dev);
40 /**< @internal Function used to stop a configured Ethernet device. */
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. */
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. */
48 typedef int (*eth_dev_close_t)(struct rte_eth_dev *dev);
49 /**< @internal Function used to close a configured Ethernet device. */
51 typedef int (*eth_dev_reset_t)(struct rte_eth_dev *dev);
52 /** <@internal Function used to reset a configured Ethernet device. */
54 typedef int (*eth_is_removed_t)(struct rte_eth_dev *dev);
55 /**< @internal Function used to detect an Ethernet device removal. */
59 * Function used to enable the Rx promiscuous mode of an Ethernet device.
62 * ethdev handle of port.
65 * Negative errno value on error, 0 on success.
68 * Success, promiscuous mode is enabled.
70 * Promiscuous mode is not supported.
73 * @retval -E_RTE_SECONDARY
74 * Function was called from a secondary process instance and not supported.
76 * Attempt to enable promiscuos mode failed because of timeout.
78 * Failed to enable promiscuous mode.
80 typedef int (*eth_promiscuous_enable_t)(struct rte_eth_dev *dev);
84 * Function used to disable the Rx promiscuous mode of an Ethernet device.
87 * ethdev handle of port.
90 * Negative errno value on error, 0 on success.
93 * Success, promiscuous mode is disabled.
95 * Promiscuous mode disabling is not supported.
98 * @retval -E_RTE_SECONDARY
99 * Function was called from a secondary process instance and not supported.
101 * Attempt to disable promiscuos mode failed because of timeout.
103 * Failed to disable promiscuous mode.
105 typedef int (*eth_promiscuous_disable_t)(struct rte_eth_dev *dev);
109 * Enable the receipt of all multicast packets by an Ethernet device.
112 * ethdev handle of port.
115 * Negative errno value on error, 0 on success.
118 * Success, all-multicast mode is enabled.
120 * All-multicast mode is not supported.
123 * @retval -E_RTE_SECONDARY
124 * Function was called from a secondary process instance and not supported.
126 * Attempt to enable all-multicast mode failed because of timeout.
128 * Failed to enable all-multicast mode.
130 typedef int (*eth_allmulticast_enable_t)(struct rte_eth_dev *dev);
134 * Disable the receipt of all multicast packets by an Ethernet device.
137 * ethdev handle of port.
140 * Negative errno value on error, 0 on success.
143 * Success, all-multicast mode is disabled.
145 * All-multicast mode disabling is not supported.
148 * @retval -E_RTE_SECONDARY
149 * Function was called from a secondary process instance and not supported.
151 * Attempt to disable all-multicast mode failed because of timeout.
153 * Failed to disable all-multicast mode.
155 typedef int (*eth_allmulticast_disable_t)(struct rte_eth_dev *dev);
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. */
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. */
167 * Reset global I/O statistics of an Ethernet device to 0.
170 * ethdev handle of port.
173 * Negative errno value on error, 0 on success.
176 * Success, statistics has been reset.
178 * Resetting statistics is not supported.
180 * Resetting statistics is not valid.
182 * Not enough memory to get the stats.
184 typedef int (*eth_stats_reset_t)(struct rte_eth_dev *dev);
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. */
190 typedef int (*eth_xstats_get_by_id_t)(struct rte_eth_dev *dev,
194 /**< @internal Get extended stats of an Ethernet device. */
198 * Reset extended stats of an Ethernet device.
201 * ethdev handle of port.
204 * Negative errno value on error, 0 on success.
207 * Success, statistics has been reset.
209 * Resetting statistics is not supported.
211 * Resetting statistics is not valid.
213 * Not enough memory to get the stats.
215 typedef int (*eth_xstats_reset_t)(struct rte_eth_dev *dev);
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. */
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,
224 /**< @internal Get names of extended stats of an Ethernet device. */
226 typedef int (*eth_queue_stats_mapping_set_t)(struct rte_eth_dev *dev,
230 /**< @internal Set a queue statistics mapping for a tx/rx queue of an Ethernet device. */
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. */
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. */
241 * Inform Ethernet device about reduced range of packet types to handle.
244 * The Ethernet device identifier.
246 * The ptype family that application is interested in should be bitwise OR of
247 * RTE_PTYPE_*_MASK or 0.
251 typedef int (*eth_dev_ptypes_set_t)(struct rte_eth_dev *dev,
252 uint32_t ptype_mask);
254 typedef int (*eth_queue_start_t)(struct rte_eth_dev *dev,
256 /**< @internal Start rx and tx of a queue of an Ethernet device. */
258 typedef int (*eth_queue_stop_t)(struct rte_eth_dev *dev,
260 /**< @internal Stop rx and tx of a queue of an Ethernet device. */
262 typedef int (*eth_rx_queue_setup_t)(struct rte_eth_dev *dev,
263 uint16_t rx_queue_id,
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. */
270 typedef int (*eth_tx_queue_setup_t)(struct rte_eth_dev *dev,
271 uint16_t tx_queue_id,
273 unsigned int socket_id,
274 const struct rte_eth_txconf *tx_conf);
275 /**< @internal Setup a transmit queue of an Ethernet device. */
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. */
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. */
285 typedef void (*eth_queue_release_t)(void *queue);
286 /**< @internal Release memory resources allocated by given RX/TX queue. */
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. */
292 typedef int (*eth_tx_done_cleanup_t)(void *txq, uint32_t free_cnt);
293 /**< @internal Force mbufs to be from TX ring. */
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);
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);
301 typedef int (*eth_burst_mode_get_t)(struct rte_eth_dev *dev,
302 uint16_t queue_id, struct rte_eth_burst_mode *mode);
304 typedef int (*mtu_set_t)(struct rte_eth_dev *dev, uint16_t mtu);
305 /**< @internal Set MTU. */
307 typedef int (*vlan_filter_set_t)(struct rte_eth_dev *dev,
310 /**< @internal filtering of a VLAN Tag Identifier by an Ethernet device. */
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. */
316 typedef int (*vlan_offload_set_t)(struct rte_eth_dev *dev, int mask);
317 /**< @internal set VLAN offload function by an Ethernet device. */
319 typedef int (*vlan_pvid_set_t)(struct rte_eth_dev *dev,
322 /**< @internal set port based TX VLAN insertion by an Ethernet device. */
324 typedef void (*vlan_strip_queue_set_t)(struct rte_eth_dev *dev,
325 uint16_t rx_queue_id,
327 /**< @internal VLAN stripping enable/disable by an queue of Ethernet device. */
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 */
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 */
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 */
341 typedef int (*reta_update_t)(struct rte_eth_dev *dev,
342 struct rte_eth_rss_reta_entry64 *reta_conf,
344 /**< @internal Update RSS redirection table on an Ethernet device */
346 typedef int (*reta_query_t)(struct rte_eth_dev *dev,
347 struct rte_eth_rss_reta_entry64 *reta_conf,
349 /**< @internal Query RSS redirection table on an Ethernet device */
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 */
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 */
359 typedef int (*eth_dev_led_on_t)(struct rte_eth_dev *dev);
360 /**< @internal Turn on SW controllable LED on an Ethernet device */
362 typedef int (*eth_dev_led_off_t)(struct rte_eth_dev *dev);
363 /**< @internal Turn off SW controllable LED on an Ethernet device */
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 */
368 typedef int (*eth_mac_addr_add_t)(struct rte_eth_dev *dev,
369 struct rte_ether_addr *mac_addr,
372 /**< @internal Set a MAC address into Receive Address Register */
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 */
378 typedef int (*eth_uc_hash_table_set_t)(struct rte_eth_dev *dev,
379 struct rte_ether_addr *mac_addr,
381 /**< @internal Set a Unicast Hash bitmap */
383 typedef int (*eth_uc_all_hash_table_set_t)(struct rte_eth_dev *dev,
385 /**< @internal Set all Unicast Hash bitmap */
387 typedef int (*eth_set_queue_rate_limit_t)(struct rte_eth_dev *dev,
390 /**< @internal Set queue TX rate */
392 typedef int (*eth_mirror_rule_set_t)(struct rte_eth_dev *dev,
393 struct rte_eth_mirror_conf *mirror_conf,
396 /**< @internal Add a traffic mirroring rule on an Ethernet device */
398 typedef int (*eth_mirror_rule_reset_t)(struct rte_eth_dev *dev,
400 /**< @internal Remove a traffic mirroring rule on an Ethernet device */
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 */
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 */
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 */
415 typedef int (*eth_timesync_enable_t)(struct rte_eth_dev *dev);
416 /**< @internal Function used to enable IEEE1588/802.1AS timestamping. */
418 typedef int (*eth_timesync_disable_t)(struct rte_eth_dev *dev);
419 /**< @internal Function used to disable IEEE1588/802.1AS timestamping. */
421 typedef int (*eth_timesync_read_rx_timestamp_t)(struct rte_eth_dev *dev,
422 struct timespec *timestamp,
424 /**< @internal Function used to read an RX IEEE1588/802.1AS timestamp. */
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. */
430 typedef int (*eth_timesync_adjust_time)(struct rte_eth_dev *dev, int64_t);
431 /**< @internal Function used to adjust the device clock */
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. */
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 */
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. */
445 typedef int (*eth_get_reg_t)(struct rte_eth_dev *dev,
446 struct rte_dev_reg_info *info);
447 /**< @internal Retrieve registers */
449 typedef int (*eth_get_eeprom_length_t)(struct rte_eth_dev *dev);
450 /**< @internal Retrieve eeprom size */
452 typedef int (*eth_get_eeprom_t)(struct rte_eth_dev *dev,
453 struct rte_dev_eeprom_info *info);
454 /**< @internal Retrieve eeprom data */
456 typedef int (*eth_set_eeprom_t)(struct rte_eth_dev *dev,
457 struct rte_dev_eeprom_info *info);
458 /**< @internal Program eeprom data */
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 */
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 */
468 typedef int (*eth_l2_tunnel_offload_set_t)
469 (struct rte_eth_dev *dev,
470 struct rte_eth_l2_tunnel_conf *l2_tunnel,
473 /**< @internal enable/disable the l2 tunnel offload functions */
476 * Feature filter types
478 enum rte_filter_type {
479 RTE_ETH_FILTER_NONE = 0,
480 RTE_ETH_FILTER_ETHERTYPE,
481 RTE_ETH_FILTER_FLEXIBLE,
483 RTE_ETH_FILTER_NTUPLE,
484 RTE_ETH_FILTER_TUNNEL,
487 RTE_ETH_FILTER_L2_TUNNEL,
488 RTE_ETH_FILTER_GENERIC,
492 * Generic operations on filters
495 RTE_ETH_FILTER_GET, /**< get flow API ops */
498 typedef int (*eth_filter_ctrl_t)(struct rte_eth_dev *dev,
499 enum rte_filter_type filter_type,
500 enum rte_filter_op filter_op,
502 /**< @internal Take operations to assigned filter type on an Ethernet device */
504 typedef int (*eth_tm_ops_get_t)(struct rte_eth_dev *dev, void *ops);
505 /**< @internal Get Traffic Management (TM) operations on an Ethernet device */
507 typedef int (*eth_mtr_ops_get_t)(struct rte_eth_dev *dev, void *ops);
508 /**< @internal Get Traffic Metering and Policing (MTR) operations */
510 typedef int (*eth_get_dcb_info)(struct rte_eth_dev *dev,
511 struct rte_eth_dcb_info *dcb_info);
512 /**< @internal Get dcb information on an Ethernet device */
514 typedef int (*eth_pool_ops_supported_t)(struct rte_eth_dev *dev,
516 /**< @internal Test if a port supports specific mempool ops */
520 * Get the hairpin capabilities.
523 * ethdev handle of port.
525 * returns the hairpin capabilities from the device.
528 * Negative errno value on error, 0 on success.
531 * Success, hairpin is supported.
533 * Hairpin is not supported.
535 typedef int (*eth_hairpin_cap_get_t)(struct rte_eth_dev *dev,
536 struct rte_eth_hairpin_cap *cap);
540 * Setup RX hairpin queue.
543 * ethdev handle of port.
545 * the selected RX queue index.
547 * the requested number of descriptors for this queue. 0 - use PMD default.
549 * the RX hairpin configuration structure.
552 * Negative errno value on error, 0 on success.
555 * Success, hairpin is supported.
557 * Hairpin is not supported.
559 * One of the parameters is invalid.
561 * Unable to allocate resources.
563 typedef int (*eth_rx_hairpin_queue_setup_t)
564 (struct rte_eth_dev *dev, uint16_t rx_queue_id,
566 const struct rte_eth_hairpin_conf *conf);
570 * Setup TX hairpin queue.
573 * ethdev handle of port.
575 * the selected TX queue index.
577 * the requested number of descriptors for this queue. 0 - use PMD default.
579 * the TX hairpin configuration structure.
582 * Negative errno value on error, 0 on success.
585 * Success, hairpin is supported.
587 * Hairpin is not supported.
589 * One of the parameters is invalid.
591 * Unable to allocate resources.
593 typedef int (*eth_tx_hairpin_queue_setup_t)
594 (struct rte_eth_dev *dev, uint16_t tx_queue_id,
596 const struct rte_eth_hairpin_conf *hairpin_conf);
600 * Get Forward Error Correction(FEC) capability.
603 * ethdev handle of port.
604 * @param speed_fec_capa
605 * speed_fec_capa is out only with per-speed capabilities.
607 * a number of elements in an speed_fec_capa array.
610 * Negative errno value on error, positive value on success.
612 * @retval positive value
613 * A non-negative value lower or equal to num: success. The return value
614 * is the number of entries filled in the fec capa array.
615 * A non-negative value higher than num: error, the given fec capa array
616 * is too small. The return value corresponds to the num that should
617 * be given to succeed. The entries in the fec capa array are not valid
618 * and shall not be used by the caller.
620 * Operation is not supported.
624 * *num* or *speed_fec_capa* invalid.
626 typedef int (*eth_fec_get_capability_t)(struct rte_eth_dev *dev,
627 struct rte_eth_fec_capa *speed_fec_capa, unsigned int num);
631 * Get Forward Error Correction(FEC) mode.
634 * ethdev handle of port.
636 * a bitmask of enabled FEC modes. If AUTO bit is set, other
637 * bits specify FEC modes which may be negotiated. If AUTO
638 * bit is clear, specify FEC modes to be used (only one valid
639 * mode per speed may be set).
642 * Negative errno value on error, 0 on success.
645 * Success, get FEC success.
647 * Operation is not supported.
651 typedef int (*eth_fec_get_t)(struct rte_eth_dev *dev,
656 * Set Forward Error Correction(FEC) mode.
659 * ethdev handle of port.
661 * bitmask of allowed FEC modes. It must be only one
662 * if AUTO is disabled. If AUTO is enabled, other
663 * bits specify FEC modes which may be negotiated.
666 * Negative errno value on error, 0 on success.
669 * Success, set FEC success.
671 * Operation is not supported.
673 * Unsupported FEC mode requested.
677 typedef int (*eth_fec_set_t)(struct rte_eth_dev *dev, uint32_t fec_capa);
681 * Get all hairpin Tx/Rx peer ports of the current device, if any.
684 * ethdev handle of port.
686 * array to save the ports list.
690 * value to decide the current to peer direction
691 * positive - used as Tx to get all peer Rx ports.
692 * zero - used as Rx to get all peer Tx ports.
695 * Negative errno value on error, 0 or positive on success.
698 * Success, no peer ports.
700 * Actual number of the peer ports.
702 * Get peer ports API is not supported.
704 * One of the parameters is invalid.
706 typedef int (*hairpin_get_peer_ports_t)(struct rte_eth_dev *dev,
707 uint16_t *peer_ports, size_t len,
712 * Bind all hairpin Tx queues of one port to the Rx queues of the peer port.
715 * ethdev handle of port.
720 * Negative errno value on error, 0 on success.
723 * Success, bind successfully.
725 * Bind API is not supported.
727 * One of the parameters is invalid.
729 * Device is not started.
731 typedef int (*eth_hairpin_bind_t)(struct rte_eth_dev *dev,
736 * Unbind all hairpin Tx queues of one port from the Rx queues of the peer port.
739 * ethdev handle of port.
744 * Negative errno value on error, 0 on success.
747 * Success, unbind successfully.
749 * Bind API is not supported.
751 * One of the parameters is invalid.
753 * Device is already stopped.
755 typedef int (*eth_hairpin_unbind_t)(struct rte_eth_dev *dev,
758 typedef int (*eth_hairpin_queue_peer_update_t)
759 (struct rte_eth_dev *dev, uint16_t peer_queue,
760 struct rte_hairpin_peer_info *current_info,
761 struct rte_hairpin_peer_info *peer_info, uint32_t direction);
762 /**< @internal Update and fetch peer queue information. */
764 typedef int (*eth_hairpin_queue_peer_bind_t)
765 (struct rte_eth_dev *dev, uint16_t cur_queue,
766 struct rte_hairpin_peer_info *peer_info, uint32_t direction);
767 /**< @internal Bind peer queue to the current queue with fetched information. */
769 typedef int (*eth_hairpin_queue_peer_unbind_t)
770 (struct rte_eth_dev *dev, uint16_t cur_queue, uint32_t direction);
771 /**< @internal Unbind peer queue from the current queue. */
774 * @internal A structure containing the functions exported by an Ethernet driver.
777 eth_dev_configure_t dev_configure; /**< Configure device. */
778 eth_dev_start_t dev_start; /**< Start device. */
779 eth_dev_stop_t dev_stop; /**< Stop device. */
780 eth_dev_set_link_up_t dev_set_link_up; /**< Device link up. */
781 eth_dev_set_link_down_t dev_set_link_down; /**< Device link down. */
782 eth_dev_close_t dev_close; /**< Close device. */
783 eth_dev_reset_t dev_reset; /**< Reset device. */
784 eth_link_update_t link_update; /**< Get device link state. */
785 eth_is_removed_t is_removed;
786 /**< Check if the device was physically removed. */
788 eth_promiscuous_enable_t promiscuous_enable; /**< Promiscuous ON. */
789 eth_promiscuous_disable_t promiscuous_disable;/**< Promiscuous OFF. */
790 eth_allmulticast_enable_t allmulticast_enable;/**< RX multicast ON. */
791 eth_allmulticast_disable_t allmulticast_disable;/**< RX multicast OFF. */
792 eth_mac_addr_remove_t mac_addr_remove; /**< Remove MAC address. */
793 eth_mac_addr_add_t mac_addr_add; /**< Add a MAC address. */
794 eth_mac_addr_set_t mac_addr_set; /**< Set a MAC address. */
795 eth_set_mc_addr_list_t set_mc_addr_list; /**< set list of mcast addrs. */
796 mtu_set_t mtu_set; /**< Set MTU. */
798 eth_stats_get_t stats_get; /**< Get generic device statistics. */
799 eth_stats_reset_t stats_reset; /**< Reset generic device statistics. */
800 eth_xstats_get_t xstats_get; /**< Get extended device statistics. */
801 eth_xstats_reset_t xstats_reset; /**< Reset extended device statistics. */
802 eth_xstats_get_names_t xstats_get_names;
803 /**< Get names of extended statistics. */
804 eth_queue_stats_mapping_set_t queue_stats_mapping_set;
805 /**< Configure per queue stat counter mapping. */
807 eth_dev_infos_get_t dev_infos_get; /**< Get device info. */
808 eth_rxq_info_get_t rxq_info_get; /**< retrieve RX queue information. */
809 eth_txq_info_get_t txq_info_get; /**< retrieve TX queue information. */
810 eth_burst_mode_get_t rx_burst_mode_get; /**< Get RX burst mode */
811 eth_burst_mode_get_t tx_burst_mode_get; /**< Get TX burst mode */
812 eth_fw_version_get_t fw_version_get; /**< Get firmware version. */
813 eth_dev_supported_ptypes_get_t dev_supported_ptypes_get;
814 /**< Get packet types supported and identified by device. */
815 eth_dev_ptypes_set_t dev_ptypes_set;
816 /**< Inform Ethernet device about reduced range of packet types to handle. */
818 vlan_filter_set_t vlan_filter_set; /**< Filter VLAN Setup. */
819 vlan_tpid_set_t vlan_tpid_set; /**< Outer/Inner VLAN TPID Setup. */
820 vlan_strip_queue_set_t vlan_strip_queue_set; /**< VLAN Stripping on queue. */
821 vlan_offload_set_t vlan_offload_set; /**< Set VLAN Offload. */
822 vlan_pvid_set_t vlan_pvid_set; /**< Set port based TX VLAN insertion. */
824 eth_queue_start_t rx_queue_start;/**< Start RX for a queue. */
825 eth_queue_stop_t rx_queue_stop; /**< Stop RX for a queue. */
826 eth_queue_start_t tx_queue_start;/**< Start TX for a queue. */
827 eth_queue_stop_t tx_queue_stop; /**< Stop TX for a queue. */
828 eth_rx_queue_setup_t rx_queue_setup;/**< Set up device RX queue. */
829 eth_queue_release_t rx_queue_release; /**< Release RX queue. */
831 eth_rx_enable_intr_t rx_queue_intr_enable; /**< Enable Rx queue interrupt. */
832 eth_rx_disable_intr_t rx_queue_intr_disable; /**< Disable Rx queue interrupt. */
833 eth_tx_queue_setup_t tx_queue_setup;/**< Set up device TX queue. */
834 eth_queue_release_t tx_queue_release; /**< Release TX queue. */
835 eth_tx_done_cleanup_t tx_done_cleanup;/**< Free tx ring mbufs */
837 eth_dev_led_on_t dev_led_on; /**< Turn on LED. */
838 eth_dev_led_off_t dev_led_off; /**< Turn off LED. */
840 flow_ctrl_get_t flow_ctrl_get; /**< Get flow control. */
841 flow_ctrl_set_t flow_ctrl_set; /**< Setup flow control. */
842 priority_flow_ctrl_set_t priority_flow_ctrl_set; /**< Setup priority flow control. */
844 eth_uc_hash_table_set_t uc_hash_table_set; /**< Set Unicast Table Array. */
845 eth_uc_all_hash_table_set_t uc_all_hash_table_set; /**< Set Unicast hash bitmap. */
847 eth_mirror_rule_set_t mirror_rule_set; /**< Add a traffic mirror rule. */
848 eth_mirror_rule_reset_t mirror_rule_reset; /**< reset a traffic mirror rule. */
850 eth_udp_tunnel_port_add_t udp_tunnel_port_add; /** Add UDP tunnel port. */
851 eth_udp_tunnel_port_del_t udp_tunnel_port_del; /** Del UDP tunnel port. */
852 eth_l2_tunnel_offload_set_t l2_tunnel_offload_set;
853 /** Enable/disable l2 tunnel offload functions. */
855 eth_set_queue_rate_limit_t set_queue_rate_limit; /**< Set queue rate limit. */
857 rss_hash_update_t rss_hash_update; /** Configure RSS hash protocols. */
858 rss_hash_conf_get_t rss_hash_conf_get; /** Get current RSS hash configuration. */
859 reta_update_t reta_update; /** Update redirection table. */
860 reta_query_t reta_query; /** Query redirection table. */
862 eth_get_reg_t get_reg; /**< Get registers. */
863 eth_get_eeprom_length_t get_eeprom_length; /**< Get eeprom length. */
864 eth_get_eeprom_t get_eeprom; /**< Get eeprom data. */
865 eth_set_eeprom_t set_eeprom; /**< Set eeprom. */
867 eth_get_module_info_t get_module_info;
868 /** Get plugin module eeprom attribute. */
869 eth_get_module_eeprom_t get_module_eeprom;
870 /** Get plugin module eeprom data. */
872 eth_filter_ctrl_t filter_ctrl; /**< common filter control. */
874 eth_get_dcb_info get_dcb_info; /** Get DCB information. */
876 eth_timesync_enable_t timesync_enable;
877 /** Turn IEEE1588/802.1AS timestamping on. */
878 eth_timesync_disable_t timesync_disable;
879 /** Turn IEEE1588/802.1AS timestamping off. */
880 eth_timesync_read_rx_timestamp_t timesync_read_rx_timestamp;
881 /** Read the IEEE1588/802.1AS RX timestamp. */
882 eth_timesync_read_tx_timestamp_t timesync_read_tx_timestamp;
883 /** Read the IEEE1588/802.1AS TX timestamp. */
884 eth_timesync_adjust_time timesync_adjust_time; /** Adjust the device clock. */
885 eth_timesync_read_time timesync_read_time; /** Get the device clock time. */
886 eth_timesync_write_time timesync_write_time; /** Set the device clock time. */
888 eth_read_clock read_clock;
890 eth_xstats_get_by_id_t xstats_get_by_id;
891 /**< Get extended device statistic values by ID. */
892 eth_xstats_get_names_by_id_t xstats_get_names_by_id;
893 /**< Get name of extended device statistics by ID. */
895 eth_tm_ops_get_t tm_ops_get;
896 /**< Get Traffic Management (TM) operations. */
898 eth_mtr_ops_get_t mtr_ops_get;
899 /**< Get Traffic Metering and Policing (MTR) operations. */
901 eth_pool_ops_supported_t pool_ops_supported;
902 /**< Test if a port supports specific mempool ops */
904 eth_hairpin_cap_get_t hairpin_cap_get;
905 /**< Returns the hairpin capabilities. */
906 eth_rx_hairpin_queue_setup_t rx_hairpin_queue_setup;
907 /**< Set up device RX hairpin queue. */
908 eth_tx_hairpin_queue_setup_t tx_hairpin_queue_setup;
909 /**< Set up device TX hairpin queue. */
911 eth_fec_get_capability_t fec_get_capability;
912 /**< Get Forward Error Correction(FEC) capability. */
913 eth_fec_get_t fec_get;
914 /**< Get Forward Error Correction(FEC) mode. */
915 eth_fec_set_t fec_set;
916 /**< Set Forward Error Correction(FEC) mode. */
917 hairpin_get_peer_ports_t hairpin_get_peer_ports;
918 /**< Get hairpin peer ports list. */
919 eth_hairpin_bind_t hairpin_bind;
920 /**< Bind all hairpin Tx queues of device to the peer port Rx queues. */
921 eth_hairpin_unbind_t hairpin_unbind;
922 /**< Unbind all hairpin Tx queues from the peer port Rx queues. */
923 eth_hairpin_queue_peer_update_t hairpin_queue_peer_update;
924 /**< Pass the current queue info and get the peer queue info. */
925 eth_hairpin_queue_peer_bind_t hairpin_queue_peer_bind;
926 /**< Set up the connection between the pair of hairpin queues. */
927 eth_hairpin_queue_peer_unbind_t hairpin_queue_peer_unbind;
928 /**< Disconnect the hairpin queues of a pair from each other. */
934 #define RTE_ETH_QUEUE_STATE_STOPPED 0
935 #define RTE_ETH_QUEUE_STATE_STARTED 1
936 #define RTE_ETH_QUEUE_STATE_HAIRPIN 2
940 * Check if the selected Rx queue is hairpin queue.
943 * Pointer to the selected device.
945 * The selected queue.
948 * - (1) if the queue is hairpin queue, 0 otherwise.
951 int rte_eth_dev_is_rx_hairpin_queue(struct rte_eth_dev *dev, uint16_t queue_id);
955 * Check if the selected Tx queue is hairpin queue.
958 * Pointer to the selected device.
960 * The selected queue.
963 * - (1) if the queue is hairpin queue, 0 otherwise.
966 int rte_eth_dev_is_tx_hairpin_queue(struct rte_eth_dev *dev, uint16_t queue_id);
970 * Returns a ethdev slot specified by the unique identifier name.
973 * The pointer to the Unique identifier name for each Ethernet device
975 * - The pointer to the ethdev slot, on success. NULL on error
978 struct rte_eth_dev *rte_eth_dev_allocated(const char *name);
982 * Allocates a new ethdev slot for an ethernet device and returns the pointer
983 * to that slot for the driver to use.
985 * @param name Unique identifier name for each Ethernet device
987 * - Slot in the rte_dev_devices array for a new device;
990 struct rte_eth_dev *rte_eth_dev_allocate(const char *name);
994 * Attach to the ethdev already initialized by the primary
997 * @param name Ethernet device's name.
999 * - Success: Slot in the rte_dev_devices array for attached
1001 * - Error: Null pointer.
1004 struct rte_eth_dev *rte_eth_dev_attach_secondary(const char *name);
1008 * Notify RTE_ETH_EVENT_DESTROY and release the specified ethdev port.
1010 * The following PMD-managed data fields will be freed:
1014 * If one of these fields should not be freed,
1015 * it must be reset to NULL by the PMD, typically in dev_close method.
1018 * Device to be detached.
1020 * - 0 on success, negative on error
1023 int rte_eth_dev_release_port(struct rte_eth_dev *eth_dev);
1027 * Release device queues and clear its configuration to force the user
1028 * application to reconfigure it. It is for internal use only.
1031 * Pointer to struct rte_eth_dev.
1037 void rte_eth_dev_internal_reset(struct rte_eth_dev *dev);
1040 * @internal Executes all the user application registered callbacks for
1041 * the specific device. It is for DPDK internal user only. User
1042 * application should not call it directly.
1045 * Pointer to struct rte_eth_dev.
1047 * Eth device interrupt event type.
1049 * To pass data back to user application.
1050 * This allows the user application to decide if a particular function
1051 * is permitted or not.
1057 int rte_eth_dev_callback_process(struct rte_eth_dev *dev,
1058 enum rte_eth_event_type event, void *ret_param);
1062 * This is the last step of device probing.
1063 * It must be called after a port is allocated and initialized successfully.
1065 * The notification RTE_ETH_EVENT_NEW is sent to other entities
1066 * (libraries and applications).
1067 * The state is set as RTE_ETH_DEV_ATTACHED.
1073 void rte_eth_dev_probing_finish(struct rte_eth_dev *dev);
1076 * Create memzone for HW rings.
1077 * malloc can't be used as the physical address is needed.
1078 * If the memzone is already created, then this function returns a ptr
1082 * The *eth_dev* pointer is the address of the *rte_eth_dev* structure
1084 * The name of the memory zone
1086 * The index of the queue to add to name
1088 * The sizeof of the memory area
1090 * Alignment for resulting memzone. Must be a power of 2.
1092 * The *socket_id* argument is the socket identifier in case of NUMA.
1095 const struct rte_memzone *
1096 rte_eth_dma_zone_reserve(const struct rte_eth_dev *eth_dev, const char *name,
1097 uint16_t queue_id, size_t size,
1098 unsigned align, int socket_id);
1101 * Free previously allocated memzone for HW rings.
1104 * The *eth_dev* pointer is the address of the *rte_eth_dev* structure
1106 * The name of the memory zone
1108 * The index of the queue to add to name
1110 * Negative errno value on error, 0 on success.
1114 rte_eth_dma_zone_free(const struct rte_eth_dev *eth_dev, const char *name,
1119 * Atomically set the link status for the specific device.
1120 * It is for use by DPDK device driver use only.
1121 * User applications should not call it
1124 * Pointer to struct rte_eth_dev.
1126 * New link status value.
1128 * Same convention as eth_link_update operation.
1129 * 0 if link up status has changed
1130 * -1 if link up status was unchanged
1133 rte_eth_linkstatus_set(struct rte_eth_dev *dev,
1134 const struct rte_eth_link *new_link)
1136 uint64_t *dev_link = (uint64_t *)&(dev->data->dev_link);
1139 struct rte_eth_link link;
1142 RTE_BUILD_BUG_ON(sizeof(*new_link) != sizeof(uint64_t));
1144 orig.val64 = __atomic_exchange_n(dev_link, *(const uint64_t *)new_link,
1147 return (orig.link.link_status == new_link->link_status) ? -1 : 0;
1152 * Atomically get the link speed and status.
1155 * Pointer to struct rte_eth_dev.
1157 * link status value.
1160 rte_eth_linkstatus_get(const struct rte_eth_dev *dev,
1161 struct rte_eth_link *link)
1163 uint64_t *src = (uint64_t *)&(dev->data->dev_link);
1164 uint64_t *dst = (uint64_t *)link;
1166 RTE_BUILD_BUG_ON(sizeof(*link) != sizeof(uint64_t));
1168 *dst = __atomic_load_n(src, __ATOMIC_SEQ_CST);
1172 * Allocate an unique switch domain identifier.
1174 * A pool of switch domain identifiers which can be allocated on request. This
1175 * will enabled devices which support the concept of switch domains to request
1176 * a switch domain id which is guaranteed to be unique from other devices
1177 * running in the same process.
1180 * switch domain identifier parameter to pass back to application
1183 * Negative errno value on error, 0 on success.
1187 rte_eth_switch_domain_alloc(uint16_t *domain_id);
1190 * Free switch domain.
1192 * Return a switch domain identifier to the pool of free identifiers after it is
1193 * no longer in use by device.
1196 * switch domain identifier to free
1199 * Negative errno value on error, 0 on success.
1203 rte_eth_switch_domain_free(uint16_t domain_id);
1205 /** Generic Ethernet device arguments */
1206 struct rte_eth_devargs {
1207 uint16_t ports[RTE_MAX_ETHPORTS];
1208 /** port/s number to enable on a multi-port single function */
1210 /** number of ports in ports field */
1211 uint16_t representor_ports[RTE_MAX_ETHPORTS];
1212 /** representor port/s identifier to enable on device */
1213 uint16_t nb_representor_ports;
1214 /** number of ports in representor port field */
1218 * PMD helper function to parse ethdev arguments
1222 * @param eth_devargs
1223 * parsed ethdev specific arguments.
1226 * Negative errno value on error, 0 on success.
1230 rte_eth_devargs_parse(const char *devargs, struct rte_eth_devargs *eth_devargs);
1233 typedef int (*ethdev_init_t)(struct rte_eth_dev *ethdev, void *init_params);
1234 typedef int (*ethdev_bus_specific_init)(struct rte_eth_dev *ethdev,
1235 void *bus_specific_init_params);
1238 * PMD helper function for the creation of a new ethdev ports.
1241 * rte_device handle.
1244 * @param priv_data_size
1245 * size of private data required for port.
1246 * @param bus_specific_init
1247 * port bus specific initialisation callback function
1248 * @param bus_init_params
1249 * port bus specific initialisation parameters
1250 * @param ethdev_init
1251 * device specific port initialization callback function
1252 * @param init_params
1253 * port initialisation parameters
1256 * Negative errno value on error, 0 on success.
1260 rte_eth_dev_create(struct rte_device *device, const char *name,
1261 size_t priv_data_size,
1262 ethdev_bus_specific_init bus_specific_init, void *bus_init_params,
1263 ethdev_init_t ethdev_init, void *init_params);
1266 typedef int (*ethdev_uninit_t)(struct rte_eth_dev *ethdev);
1269 * PMD helper function for cleaning up the resources of a ethdev port on it's
1273 * ethdev handle of port.
1274 * @param ethdev_uninit
1275 * device specific port un-initialise callback function
1278 * Negative errno value on error, 0 on success.
1282 rte_eth_dev_destroy(struct rte_eth_dev *ethdev, ethdev_uninit_t ethdev_uninit);
1286 * Pass the current hairpin queue HW and/or SW information to the peer queue
1287 * and fetch back the information of the peer queue.
1290 * Peer port identifier of the Ethernet device.
1292 * Peer queue index of the port.
1294 * Pointer to the current information structure.
1296 * Pointer to the peer information, output.
1298 * Direction to pass the information.
1299 * positive - pass Tx queue information and get peer Rx queue information
1300 * zero - pass Rx queue information and get peer Tx queue information
1303 * Negative errno value on error, 0 on success.
1307 rte_eth_hairpin_queue_peer_update(uint16_t peer_port, uint16_t peer_queue,
1308 struct rte_hairpin_peer_info *cur_info,
1309 struct rte_hairpin_peer_info *peer_info,
1310 uint32_t direction);
1314 * Configure current hairpin queue with the peer information fetched to create
1315 * the connection (bind) with peer queue in the specified direction.
1316 * This function might need to be called twice to fully create the connections.
1319 * Current port identifier of the Ethernet device.
1321 * Current queue index of the port.
1323 * Pointer to the peer information, input.
1325 * Direction to create the connection.
1326 * positive - bind current Tx queue to peer Rx queue
1327 * zero - bind current Rx queue to peer Tx queue
1330 * Negative errno value on error, 0 on success.
1334 rte_eth_hairpin_queue_peer_bind(uint16_t cur_port, uint16_t cur_queue,
1335 struct rte_hairpin_peer_info *peer_info,
1336 uint32_t direction);
1340 * Reset the current queue state and configuration to disconnect (unbind) it
1341 * from the peer queue.
1342 * This function might need to be called twice to disconnect each other.
1345 * Current port identifier of the Ethernet device.
1347 * Current queue index of the port.
1349 * Direction to destroy the connection.
1350 * positive - unbind current Tx queue from peer Rx queue
1351 * zero - unbind current Rx queue from peer Tx queue
1354 * Negative errno value on error, 0 on success.
1358 rte_eth_hairpin_queue_peer_unbind(uint16_t cur_port, uint16_t cur_queue,
1359 uint32_t direction);
1363 * Legacy ethdev API used internally by drivers.
1367 * Define all structures for Ethertype Filter type.
1370 #define RTE_ETHTYPE_FLAGS_MAC 0x0001 /**< If set, compare mac */
1371 #define RTE_ETHTYPE_FLAGS_DROP 0x0002 /**< If set, drop packet when match */
1374 * A structure used to define the ethertype filter entry
1375 * to support RTE_ETH_FILTER_ETHERTYPE data representation.
1377 struct rte_eth_ethertype_filter {
1378 struct rte_ether_addr mac_addr; /**< Mac address to match. */
1379 uint16_t ether_type; /**< Ether type to match */
1380 uint16_t flags; /**< Flags from RTE_ETHTYPE_FLAGS_* */
1381 uint16_t queue; /**< Queue assigned to when match*/
1385 * A structure used to define the TCP syn filter entry
1386 * to support RTE_ETH_FILTER_SYN data representation.
1388 struct rte_eth_syn_filter {
1389 /** 1 - higher priority than other filters, 0 - lower priority. */
1391 uint16_t queue; /**< Queue assigned to when match */
1395 * filter type of tunneling packet
1397 #define ETH_TUNNEL_FILTER_OMAC 0x01 /**< filter by outer MAC addr */
1398 #define ETH_TUNNEL_FILTER_OIP 0x02 /**< filter by outer IP Addr */
1399 #define ETH_TUNNEL_FILTER_TENID 0x04 /**< filter by tenant ID */
1400 #define ETH_TUNNEL_FILTER_IMAC 0x08 /**< filter by inner MAC addr */
1401 #define ETH_TUNNEL_FILTER_IVLAN 0x10 /**< filter by inner VLAN ID */
1402 #define ETH_TUNNEL_FILTER_IIP 0x20 /**< filter by inner IP addr */
1404 #define RTE_TUNNEL_FILTER_IMAC_IVLAN (ETH_TUNNEL_FILTER_IMAC | \
1405 ETH_TUNNEL_FILTER_IVLAN)
1406 #define RTE_TUNNEL_FILTER_IMAC_IVLAN_TENID (ETH_TUNNEL_FILTER_IMAC | \
1407 ETH_TUNNEL_FILTER_IVLAN | \
1408 ETH_TUNNEL_FILTER_TENID)
1409 #define RTE_TUNNEL_FILTER_IMAC_TENID (ETH_TUNNEL_FILTER_IMAC | \
1410 ETH_TUNNEL_FILTER_TENID)
1411 #define RTE_TUNNEL_FILTER_OMAC_TENID_IMAC (ETH_TUNNEL_FILTER_OMAC | \
1412 ETH_TUNNEL_FILTER_TENID | \
1413 ETH_TUNNEL_FILTER_IMAC)
1416 * Select IPv4 or IPv6 for tunnel filters.
1418 enum rte_tunnel_iptype {
1419 RTE_TUNNEL_IPTYPE_IPV4 = 0, /**< IPv4. */
1420 RTE_TUNNEL_IPTYPE_IPV6, /**< IPv6. */
1424 * Tunneling Packet filter configuration.
1426 struct rte_eth_tunnel_filter_conf {
1427 struct rte_ether_addr outer_mac; /**< Outer MAC address to match. */
1428 struct rte_ether_addr inner_mac; /**< Inner MAC address to match. */
1429 uint16_t inner_vlan; /**< Inner VLAN to match. */
1430 enum rte_tunnel_iptype ip_type; /**< IP address type. */
1432 * Outer destination IP address to match if ETH_TUNNEL_FILTER_OIP
1433 * is set in filter_type, or inner destination IP address to match
1434 * if ETH_TUNNEL_FILTER_IIP is set in filter_type.
1437 uint32_t ipv4_addr; /**< IPv4 address in big endian. */
1438 uint32_t ipv6_addr[4]; /**< IPv6 address in big endian. */
1440 /** Flags from ETH_TUNNEL_FILTER_XX - see above. */
1441 uint16_t filter_type;
1442 enum rte_eth_tunnel_type tunnel_type; /**< Tunnel Type. */
1443 uint32_t tenant_id; /**< Tenant ID to match. VNI, GRE key... */
1444 uint16_t queue_id; /**< Queue assigned to if match. */
1451 #endif /* _RTE_ETHDEV_DRIVER_H_ */