1 .. SPDX-License-Identifier: BSD-3-Clause
2 Copyright(c) 2017 Intel Corporation.
7 This section explains the supported features that are listed in the
10 As a guide to implementers it also shows the structs where the features are
11 defined and the APIs that can be use to get/set the values.
13 Following tags used for feature details, these are from driver point of view:
15 ``[uses]`` : Driver uses some kind of input from the application.
17 ``[implements]`` : Driver implements a functionality.
19 ``[provides]`` : Driver provides some kind of data to the application. It is possible
20 to provide data by implementing some function, but "provides" is used
21 for cases where provided data can't be represented simply by a function.
23 ``[related]`` : Related API with that feature.
26 .. _nic_features_speed_capabilities:
31 Supports getting the speed capabilities that the current device is capable of.
33 * **[provides] rte_eth_dev_info**: ``speed_capa:ETH_LINK_SPEED_*``.
34 * **[related] API**: ``rte_eth_dev_info_get()``.
37 .. _nic_features_link_status:
42 Supports getting the link speed, duplex mode and link state (up/down).
44 * **[implements] eth_dev_ops**: ``link_update``.
45 * **[implements] rte_eth_dev_data**: ``dev_link``.
46 * **[related] API**: ``rte_eth_link_get()``, ``rte_eth_link_get_nowait()``.
49 .. _nic_features_link_status_event:
54 Supports Link Status Change interrupts.
56 * **[uses] user config**: ``dev_conf.intr_conf.lsc``.
57 * **[uses] rte_eth_dev_data**: ``dev_flags:RTE_ETH_DEV_INTR_LSC``.
58 * **[uses] rte_eth_event_type**: ``RTE_ETH_EVENT_INTR_LSC``.
59 * **[implements] rte_eth_dev_data**: ``dev_link``.
60 * **[provides] rte_pci_driver.drv_flags**: ``RTE_PCI_DRV_INTR_LSC``.
61 * **[related] API**: ``rte_eth_link_get()``, ``rte_eth_link_get_nowait()``.
64 .. _nic_features_removal_event:
69 Supports device removal interrupts.
71 * **[uses] user config**: ``dev_conf.intr_conf.rmv``.
72 * **[uses] rte_eth_dev_data**: ``dev_flags:RTE_ETH_DEV_INTR_RMV``.
73 * **[uses] rte_eth_event_type**: ``RTE_ETH_EVENT_INTR_RMV``.
74 * **[provides] rte_pci_driver.drv_flags**: ``RTE_PCI_DRV_INTR_RMV``.
77 .. _nic_features_queue_status_event:
82 Supports queue enable/disable events.
84 * **[uses] rte_eth_event_type**: ``RTE_ETH_EVENT_QUEUE_STATE``.
87 .. _nic_features_rx_interrupt:
92 Supports Rx interrupts.
94 * **[uses] user config**: ``dev_conf.intr_conf.rxq``.
95 * **[implements] eth_dev_ops**: ``rx_queue_intr_enable``, ``rx_queue_intr_disable``.
96 * **[related] API**: ``rte_eth_dev_rx_intr_enable()``, ``rte_eth_dev_rx_intr_disable()``.
99 .. _nic_features_lock-free_tx_queue:
104 If a PMD advertises DEV_TX_OFFLOAD_MT_LOCKFREE capable, multiple threads can
105 invoke rte_eth_tx_burst() concurrently on the same Tx queue without SW lock.
107 * **[uses] rte_eth_txconf,rte_eth_txmode**: ``offloads:DEV_TX_OFFLOAD_MT_LOCKFREE``.
108 * **[provides] rte_eth_dev_info**: ``tx_offload_capa,tx_queue_offload_capa:DEV_TX_OFFLOAD_MT_LOCKFREE``.
109 * **[related] API**: ``rte_eth_tx_burst()``.
112 .. _nic_features_fast_mbuf_free:
117 Supports optimization for fast release of mbufs following successful Tx.
118 Requires that per queue, all mbufs come from the same mempool and has refcnt = 1.
120 * **[uses] rte_eth_txconf,rte_eth_txmode**: ``offloads:DEV_TX_OFFLOAD_MBUF_FAST_FREE``.
121 * **[provides] rte_eth_dev_info**: ``tx_offload_capa,tx_queue_offload_capa:DEV_TX_OFFLOAD_MBUF_FAST_FREE``.
124 .. _nic_features_free_tx_mbuf_on_demand:
126 Free Tx mbuf on demand
127 ----------------------
129 Supports freeing consumed buffers on a Tx ring.
131 * **[implements] eth_dev_ops**: ``tx_done_cleanup``.
132 * **[related] API**: ``rte_eth_tx_done_cleanup()``.
135 .. _nic_features_queue_start_stop:
140 Supports starting/stopping a specific Rx/Tx queue of a port.
142 * **[implements] eth_dev_ops**: ``rx_queue_start``, ``rx_queue_stop``, ``tx_queue_start``,
144 * **[related] API**: ``rte_eth_dev_rx_queue_start()``, ``rte_eth_dev_rx_queue_stop()``,
145 ``rte_eth_dev_tx_queue_start()``, ``rte_eth_dev_tx_queue_stop()``.
148 .. _nic_features_mtu_update:
153 Supports updating port MTU.
155 * **[implements] eth_dev_ops**: ``mtu_set``.
156 * **[implements] rte_eth_dev_data**: ``mtu``.
157 * **[provides] rte_eth_dev_info**: ``max_rx_pktlen``.
158 * **[related] API**: ``rte_eth_dev_set_mtu()``, ``rte_eth_dev_get_mtu()``.
161 .. _nic_features_jumbo_frame:
166 Supports Rx jumbo frames.
168 * **[uses] rte_eth_rxconf,rte_eth_rxmode**: ``offloads:DEV_RX_OFFLOAD_JUMBO_FRAME``.
169 ``dev_conf.rxmode.max_rx_pkt_len``.
170 * **[related] rte_eth_dev_info**: ``max_rx_pktlen``.
171 * **[related] API**: ``rte_eth_dev_set_mtu()``.
174 .. _nic_features_scattered_rx:
179 Supports receiving segmented mbufs.
181 * **[uses] rte_eth_rxconf,rte_eth_rxmode**: ``offloads:DEV_RX_OFFLOAD_SCATTER``.
182 * **[implements] datapath**: ``Scattered Rx function``.
183 * **[implements] rte_eth_dev_data**: ``scattered_rx``.
184 * **[provides] eth_dev_ops**: ``rxq_info_get:scattered_rx``.
185 * **[related] eth_dev_ops**: ``rx_pkt_burst``.
188 .. _nic_features_lro:
193 Supports Large Receive Offload.
195 * **[uses] rte_eth_rxconf,rte_eth_rxmode**: ``offloads:DEV_RX_OFFLOAD_TCP_LRO``.
196 * **[implements] datapath**: ``LRO functionality``.
197 * **[implements] rte_eth_dev_data**: ``lro``.
198 * **[provides] mbuf**: ``mbuf.ol_flags:PKT_RX_LRO``, ``mbuf.tso_segsz``.
199 * **[provides] rte_eth_dev_info**: ``rx_offload_capa,rx_queue_offload_capa:DEV_RX_OFFLOAD_TCP_LRO``.
202 .. _nic_features_tso:
207 Supports TCP Segmentation Offloading.
209 * **[uses] rte_eth_txconf,rte_eth_txmode**: ``offloads:DEV_TX_OFFLOAD_TCP_TSO``.
210 * **[uses] rte_eth_desc_lim**: ``nb_seg_max``, ``nb_mtu_seg_max``.
211 * **[uses] mbuf**: ``mbuf.ol_flags:PKT_TX_TCP_SEG``.
212 * **[uses] mbuf**: ``mbuf.tso_segsz``, ``mbuf.l2_len``, ``mbuf.l3_len``, ``mbuf.l4_len``.
213 * **[implements] datapath**: ``TSO functionality``.
214 * **[provides] rte_eth_dev_info**: ``tx_offload_capa,tx_queue_offload_capa:DEV_TX_OFFLOAD_TCP_TSO,DEV_TX_OFFLOAD_UDP_TSO``.
217 .. _nic_features_promiscuous_mode:
222 Supports enabling/disabling promiscuous mode for a port.
224 * **[implements] eth_dev_ops**: ``promiscuous_enable``, ``promiscuous_disable``.
225 * **[implements] rte_eth_dev_data**: ``promiscuous``.
226 * **[related] API**: ``rte_eth_promiscuous_enable()``, ``rte_eth_promiscuous_disable()``,
227 ``rte_eth_promiscuous_get()``.
230 .. _nic_features_allmulticast_mode:
235 Supports enabling/disabling receiving multicast frames.
237 * **[implements] eth_dev_ops**: ``allmulticast_enable``, ``allmulticast_disable``.
238 * **[implements] rte_eth_dev_data**: ``all_multicast``.
239 * **[related] API**: ``rte_eth_allmulticast_enable()``,
240 ``rte_eth_allmulticast_disable()``, ``rte_eth_allmulticast_get()``.
243 .. _nic_features_unicast_mac_filter:
248 Supports adding MAC addresses to enable whitelist filtering to accept packets.
250 * **[implements] eth_dev_ops**: ``mac_addr_set``, ``mac_addr_add``, ``mac_addr_remove``.
251 * **[implements] rte_eth_dev_data**: ``mac_addrs``.
252 * **[related] API**: ``rte_eth_dev_default_mac_addr_set()``,
253 ``rte_eth_dev_mac_addr_add()``, ``rte_eth_dev_mac_addr_remove()``,
254 ``rte_eth_macaddr_get()``.
257 .. _nic_features_multicast_mac_filter:
262 Supports setting multicast addresses to filter.
264 * **[implements] eth_dev_ops**: ``set_mc_addr_list``.
265 * **[related] API**: ``rte_eth_dev_set_mc_addr_list()``.
268 .. _nic_features_rss_hash:
273 Supports RSS hashing on RX.
275 * **[uses] user config**: ``dev_conf.rxmode.mq_mode`` = ``ETH_MQ_RX_RSS_FLAG``.
276 * **[uses] user config**: ``dev_conf.rx_adv_conf.rss_conf``.
277 * **[provides] rte_eth_dev_info**: ``flow_type_rss_offloads``.
278 * **[provides] mbuf**: ``mbuf.ol_flags:PKT_RX_RSS_HASH``, ``mbuf.rss``.
281 .. _nic_features_inner_rss:
286 Supports RX RSS hashing on Inner headers.
288 * **[users] rte_flow_action_rss**: ``level``.
289 * **[provides] mbuf**: ``mbuf.ol_flags:PKT_RX_RSS_HASH``, ``mbuf.rss``.
292 .. _nic_features_rss_key_update:
297 Supports configuration of Receive Side Scaling (RSS) hash computation. Updating
298 Receive Side Scaling (RSS) hash key.
300 * **[implements] eth_dev_ops**: ``rss_hash_update``, ``rss_hash_conf_get``.
301 * **[provides] rte_eth_dev_info**: ``hash_key_size``.
302 * **[related] API**: ``rte_eth_dev_rss_hash_update()``,
303 ``rte_eth_dev_rss_hash_conf_get()``.
306 .. _nic_features_rss_reta_update:
311 Supports updating Redirection Table of the Receive Side Scaling (RSS).
313 * **[implements] eth_dev_ops**: ``reta_update``, ``reta_query``.
314 * **[provides] rte_eth_dev_info**: ``reta_size``.
315 * **[related] API**: ``rte_eth_dev_rss_reta_update()``, ``rte_eth_dev_rss_reta_query()``.
318 .. _nic_features_vmdq:
323 Supports Virtual Machine Device Queues (VMDq).
325 * **[uses] user config**: ``dev_conf.rxmode.mq_mode`` = ``ETH_MQ_RX_VMDQ_FLAG``.
326 * **[uses] user config**: ``dev_conf.rx_adv_conf.vmdq_dcb_conf``.
327 * **[uses] user config**: ``dev_conf.rx_adv_conf.vmdq_rx_conf``.
328 * **[uses] user config**: ``dev_conf.tx_adv_conf.vmdq_dcb_tx_conf``.
329 * **[uses] user config**: ``dev_conf.tx_adv_conf.vmdq_tx_conf``.
332 .. _nic_features_sriov:
337 Driver supports creating Virtual Functions.
339 * **[implements] rte_eth_dev_data**: ``sriov``.
341 .. _nic_features_dcb:
346 Supports Data Center Bridging (DCB).
348 * **[uses] user config**: ``dev_conf.rxmode.mq_mode`` = ``ETH_MQ_RX_DCB_FLAG``.
349 * **[uses] user config**: ``dev_conf.rx_adv_conf.vmdq_dcb_conf``.
350 * **[uses] user config**: ``dev_conf.rx_adv_conf.dcb_rx_conf``.
351 * **[uses] user config**: ``dev_conf.tx_adv_conf.vmdq_dcb_tx_conf``.
352 * **[uses] user config**: ``dev_conf.tx_adv_conf.vmdq_tx_conf``.
353 * **[implements] eth_dev_ops**: ``get_dcb_info``.
354 * **[related] API**: ``rte_eth_dev_get_dcb_info()``.
357 .. _nic_features_vlan_filter:
362 Supports filtering of a VLAN Tag identifier.
364 * **[uses] rte_eth_rxconf,rte_eth_rxmode**: ``offloads:DEV_RX_OFFLOAD_VLAN_FILTER``.
365 * **[implements] eth_dev_ops**: ``vlan_filter_set``.
366 * **[related] API**: ``rte_eth_dev_vlan_filter()``.
369 .. _nic_features_ethertype_filter:
374 Supports filtering on Ethernet type.
376 * **[implements] eth_dev_ops**: ``filter_ctrl:RTE_ETH_FILTER_ETHERTYPE``.
377 * **[related] API**: ``rte_eth_dev_filter_ctrl()``, ``rte_eth_dev_filter_supported()``.
379 .. _nic_features_ntuple_filter:
384 Supports filtering on N-tuple values.
386 * **[implements] eth_dev_ops**: ``filter_ctrl:RTE_ETH_FILTER_NTUPLE``.
387 * **[related] API**: ``rte_eth_dev_filter_ctrl()``, ``rte_eth_dev_filter_supported()``.
390 .. _nic_features_syn_filter:
395 Supports TCP syn filtering.
397 * **[implements] eth_dev_ops**: ``filter_ctrl:RTE_ETH_FILTER_SYN``.
398 * **[related] API**: ``rte_eth_dev_filter_ctrl()``, ``rte_eth_dev_filter_supported()``.
401 .. _nic_features_tunnel_filter:
406 Supports tunnel filtering.
408 * **[implements] eth_dev_ops**: ``filter_ctrl:RTE_ETH_FILTER_TUNNEL``.
409 * **[related] API**: ``rte_eth_dev_filter_ctrl()``, ``rte_eth_dev_filter_supported()``.
412 .. _nic_features_flexible_filter:
417 Supports a flexible (non-tuple or Ethertype) filter.
419 * **[implements] eth_dev_ops**: ``filter_ctrl:RTE_ETH_FILTER_FLEXIBLE``.
420 * **[related] API**: ``rte_eth_dev_filter_ctrl()``, ``rte_eth_dev_filter_supported()``.
423 .. _nic_features_hash_filter:
428 Supports Hash filtering.
430 * **[implements] eth_dev_ops**: ``filter_ctrl:RTE_ETH_FILTER_HASH``.
431 * **[related] API**: ``rte_eth_dev_filter_ctrl()``, ``rte_eth_dev_filter_supported()``.
434 .. _nic_features_flow_director:
439 Supports Flow Director style filtering to queues.
441 * **[implements] eth_dev_ops**: ``filter_ctrl:RTE_ETH_FILTER_FDIR``.
442 * **[provides] mbuf**: ``mbuf.ol_flags:`` ``PKT_RX_FDIR``, ``PKT_RX_FDIR_ID``,
444 * **[related] API**: ``rte_eth_dev_filter_ctrl()``, ``rte_eth_dev_filter_supported()``.
447 .. _nic_features_flow_control:
452 Supports configuring link flow control.
454 * **[implements] eth_dev_ops**: ``flow_ctrl_get``, ``flow_ctrl_set``,
455 ``priority_flow_ctrl_set``.
456 * **[related] API**: ``rte_eth_dev_flow_ctrl_get()``, ``rte_eth_dev_flow_ctrl_set()``,
457 ``rte_eth_dev_priority_flow_ctrl_set()``.
460 .. _nic_features_flow_api:
465 Supports the DPDK Flow API for generic filtering.
467 * **[implements] eth_dev_ops**: ``filter_ctrl:RTE_ETH_FILTER_GENERIC``.
468 * **[implements] rte_flow_ops**: ``All``.
471 .. _nic_features_rate_limitation:
476 Supports Tx rate limitation for a queue.
478 * **[implements] eth_dev_ops**: ``set_queue_rate_limit``.
479 * **[related] API**: ``rte_eth_set_queue_rate_limit()``.
482 .. _nic_features_traffic_mirroring:
487 Supports adding traffic mirroring rules.
489 * **[implements] eth_dev_ops**: ``mirror_rule_set``, ``mirror_rule_reset``.
490 * **[related] API**: ``rte_eth_mirror_rule_set()``, ``rte_eth_mirror_rule_reset()``.
493 .. _nic_features_inline_crypto_doc:
498 Supports inline crypto processing (eg. inline IPsec). See Security library and PMD documentation for more details.
500 * **[uses] rte_eth_rxconf,rte_eth_rxmode**: ``offloads:DEV_RX_OFFLOAD_SECURITY``,
501 * **[uses] rte_eth_txconf,rte_eth_txmode**: ``offloads:DEV_TX_OFFLOAD_SECURITY``.
502 * **[implements] rte_security_ops**: ``session_create``, ``session_update``,
503 ``session_stats_get``, ``session_destroy``, ``set_pkt_metadata``, ``capabilities_get``.
504 * **[provides] rte_eth_dev_info**: ``rx_offload_capa,rx_queue_offload_capa:DEV_RX_OFFLOAD_SECURITY``,
505 ``tx_offload_capa,tx_queue_offload_capa:DEV_TX_OFFLOAD_SECURITY``.
506 * **[provides] mbuf**: ``mbuf.ol_flags:PKT_RX_SEC_OFFLOAD``,
507 ``mbuf.ol_flags:PKT_TX_SEC_OFFLOAD``, ``mbuf.ol_flags:PKT_RX_SEC_OFFLOAD_FAILED``.
510 .. _nic_features_crc_offload:
515 Supports CRC stripping by hardware.
517 * **[uses] rte_eth_rxconf,rte_eth_rxmode**: ``offloads:DEV_RX_OFFLOAD_CRC_STRIP``.
520 .. _nic_features_vlan_offload:
525 Supports VLAN offload to hardware.
527 * **[uses] rte_eth_rxconf,rte_eth_rxmode**: ``offloads:DEV_RX_OFFLOAD_VLAN_STRIP,DEV_RX_OFFLOAD_VLAN_FILTER,DEV_RX_OFFLOAD_VLAN_EXTEND``.
528 * **[uses] rte_eth_txconf,rte_eth_txmode**: ``offloads:DEV_TX_OFFLOAD_VLAN_INSERT``.
529 * **[implements] eth_dev_ops**: ``vlan_offload_set``.
530 * **[provides] mbuf**: ``mbuf.ol_flags:PKT_RX_VLAN_STRIPPED``, ``mbuf.vlan_tci``.
531 * **[provides] rte_eth_dev_info**: ``rx_offload_capa,rx_queue_offload_capa:DEV_RX_OFFLOAD_VLAN_STRIP``,
532 ``tx_offload_capa,tx_queue_offload_capa:DEV_TX_OFFLOAD_VLAN_INSERT``.
533 * **[related] API**: ``rte_eth_dev_set_vlan_offload()``,
534 ``rte_eth_dev_get_vlan_offload()``.
537 .. _nic_features_qinq_offload:
542 Supports QinQ (queue in queue) offload.
544 * **[uses] rte_eth_rxconf,rte_eth_rxmode**: ``offloads:DEV_RX_OFFLOAD_QINQ_STRIP``.
545 * **[uses] rte_eth_txconf,rte_eth_txmode**: ``offloads:DEV_TX_OFFLOAD_QINQ_INSERT``.
546 * **[uses] mbuf**: ``mbuf.ol_flags:PKT_TX_QINQ_PKT``.
547 * **[provides] mbuf**: ``mbuf.ol_flags:PKT_RX_QINQ_STRIPPED``, ``mbuf.vlan_tci``,
548 ``mbuf.vlan_tci_outer``.
549 * **[provides] rte_eth_dev_info**: ``rx_offload_capa,rx_queue_offload_capa:DEV_RX_OFFLOAD_QINQ_STRIP``,
550 ``tx_offload_capa,tx_queue_offload_capa:DEV_TX_OFFLOAD_QINQ_INSERT``.
553 .. _nic_features_l3_checksum_offload:
558 Supports L3 checksum offload.
560 * **[uses] rte_eth_rxconf,rte_eth_rxmode**: ``offloads:DEV_RX_OFFLOAD_IPV4_CKSUM``.
561 * **[uses] rte_eth_txconf,rte_eth_txmode**: ``offloads:DEV_TX_OFFLOAD_IPV4_CKSUM``.
562 * **[uses] mbuf**: ``mbuf.ol_flags:PKT_TX_IP_CKSUM``,
563 ``mbuf.ol_flags:PKT_TX_IPV4`` | ``PKT_TX_IPV6``.
564 * **[provides] mbuf**: ``mbuf.ol_flags:PKT_RX_IP_CKSUM_UNKNOWN`` |
565 ``PKT_RX_IP_CKSUM_BAD`` | ``PKT_RX_IP_CKSUM_GOOD`` |
566 ``PKT_RX_IP_CKSUM_NONE``.
567 * **[provides] rte_eth_dev_info**: ``rx_offload_capa,rx_queue_offload_capa:DEV_RX_OFFLOAD_IPV4_CKSUM``,
568 ``tx_offload_capa,tx_queue_offload_capa:DEV_TX_OFFLOAD_IPV4_CKSUM``.
571 .. _nic_features_l4_checksum_offload:
576 Supports L4 checksum offload.
578 * **[uses] rte_eth_rxconf,rte_eth_rxmode**: ``offloads:DEV_RX_OFFLOAD_UDP_CKSUM,DEV_RX_OFFLOAD_TCP_CKSUM``.
579 * **[uses] rte_eth_txconf,rte_eth_txmode**: ``offloads:DEV_TX_OFFLOAD_UDP_CKSUM,DEV_TX_OFFLOAD_TCP_CKSUM,DEV_TX_OFFLOAD_SCTP_CKSUM``.
580 * **[uses] user config**: ``dev_conf.rxmode.hw_ip_checksum``.
581 * **[uses] mbuf**: ``mbuf.ol_flags:PKT_TX_IPV4`` | ``PKT_TX_IPV6``,
582 ``mbuf.ol_flags:PKT_TX_L4_NO_CKSUM`` | ``PKT_TX_TCP_CKSUM`` |
583 ``PKT_TX_SCTP_CKSUM`` | ``PKT_TX_UDP_CKSUM``.
584 * **[provides] mbuf**: ``mbuf.ol_flags:PKT_RX_L4_CKSUM_UNKNOWN`` |
585 ``PKT_RX_L4_CKSUM_BAD`` | ``PKT_RX_L4_CKSUM_GOOD`` |
586 ``PKT_RX_L4_CKSUM_NONE``.
587 * **[provides] rte_eth_dev_info**: ``rx_offload_capa,rx_queue_offload_capa:DEV_RX_OFFLOAD_UDP_CKSUM,DEV_RX_OFFLOAD_TCP_CKSUM``,
588 ``tx_offload_capa,tx_queue_offload_capa:DEV_TX_OFFLOAD_UDP_CKSUM,DEV_TX_OFFLOAD_TCP_CKSUM,DEV_TX_OFFLOAD_SCTP_CKSUM``.
590 .. _nic_features_hw_timestamp:
597 * **[uses] rte_eth_rxconf,rte_eth_rxmode**: ``offloads:DEV_RX_OFFLOAD_TIMESTAMP``.
598 * **[provides] mbuf**: ``mbuf.ol_flags:PKT_RX_TIMESTAMP``.
599 * **[provides] mbuf**: ``mbuf.timestamp``.
600 * **[provides] rte_eth_dev_info**: ``rx_offload_capa,rx_queue_offload_capa: DEV_RX_OFFLOAD_TIMESTAMP``.
602 .. _nic_features_macsec_offload:
609 * **[uses] rte_eth_rxconf,rte_eth_rxmode**: ``offloads:DEV_RX_OFFLOAD_MACSEC_STRIP``.
610 * **[uses] rte_eth_txconf,rte_eth_txmode**: ``offloads:DEV_TX_OFFLOAD_MACSEC_INSERT``.
611 * **[uses] mbuf**: ``mbuf.ol_flags:PKT_TX_MACSEC``.
612 * **[provides] rte_eth_dev_info**: ``rx_offload_capa,rx_queue_offload_capa:DEV_RX_OFFLOAD_MACSEC_STRIP``,
613 ``tx_offload_capa,tx_queue_offload_capa:DEV_TX_OFFLOAD_MACSEC_INSERT``.
616 .. _nic_features_inner_l3_checksum:
621 Supports inner packet L3 checksum.
623 * **[uses] rte_eth_rxconf,rte_eth_rxmode**: ``offloads:DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM``.
624 * **[uses] rte_eth_txconf,rte_eth_txmode**: ``offloads:DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM``.
625 * **[uses] mbuf**: ``mbuf.ol_flags:PKT_TX_IP_CKSUM``,
626 ``mbuf.ol_flags:PKT_TX_IPV4`` | ``PKT_TX_IPV6``,
627 ``mbuf.ol_flags:PKT_TX_OUTER_IP_CKSUM``,
628 ``mbuf.ol_flags:PKT_TX_OUTER_IPV4`` | ``PKT_TX_OUTER_IPV6``.
629 * **[uses] mbuf**: ``mbuf.outer_l2_len``, ``mbuf.outer_l3_len``.
630 * **[provides] mbuf**: ``mbuf.ol_flags:PKT_RX_EIP_CKSUM_BAD``.
631 * **[provides] rte_eth_dev_info**: ``rx_offload_capa,rx_queue_offload_capa:DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM``,
632 ``tx_offload_capa,tx_queue_offload_capa:DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM``.
635 .. _nic_features_inner_l4_checksum:
640 Supports inner packet L4 checksum.
643 .. _nic_features_packet_type_parsing:
648 Supports packet type parsing and returns a list of supported types.
650 * **[implements] eth_dev_ops**: ``dev_supported_ptypes_get``.
651 * **[related] API**: ``rte_eth_dev_get_supported_ptypes()``.
654 .. _nic_features_timesync:
659 Supports IEEE1588/802.1AS timestamping.
661 * **[implements] eth_dev_ops**: ``timesync_enable``, ``timesync_disable``
662 ``timesync_read_rx_timestamp``, ``timesync_read_tx_timestamp``,
663 ``timesync_adjust_time``, ``timesync_read_time``, ``timesync_write_time``.
664 * **[related] API**: ``rte_eth_timesync_enable()``, ``rte_eth_timesync_disable()``,
665 ``rte_eth_timesync_read_rx_timestamp()``,
666 ``rte_eth_timesync_read_tx_timestamp``, ``rte_eth_timesync_adjust_time()``,
667 ``rte_eth_timesync_read_time()``, ``rte_eth_timesync_write_time()``.
670 .. _nic_features_rx_descriptor_status:
675 Supports check the status of a Rx descriptor. When ``rx_descriptor_status`` is
676 used, status can be "Available", "Done" or "Unavailable". When
677 ``rx_descriptor_done`` is used, status can be "DD bit is set" or "DD bit is
680 * **[implements] eth_dev_ops**: ``rx_descriptor_status``.
681 * **[related] API**: ``rte_eth_rx_descriptor_status()``.
682 * **[implements] eth_dev_ops**: ``rx_descriptor_done``.
683 * **[related] API**: ``rte_eth_rx_descriptor_done()``.
686 .. _nic_features_tx_descriptor_status:
691 Supports checking the status of a Tx descriptor. Status can be "Full", "Done"
694 * **[implements] eth_dev_ops**: ``tx_descriptor_status``.
695 * **[related] API**: ``rte_eth_tx_descriptor_status()``.
698 .. _nic_features_basic_stats:
703 Support basic statistics such as: ipackets, opackets, ibytes, obytes,
704 imissed, ierrors, oerrors, rx_nombuf.
706 And per queue stats: q_ipackets, q_opackets, q_ibytes, q_obytes, q_errors.
708 These apply to all drivers.
710 * **[implements] eth_dev_ops**: ``stats_get``, ``stats_reset``.
711 * **[related] API**: ``rte_eth_stats_get``, ``rte_eth_stats_reset()``.
714 .. _nic_features_extended_stats:
719 Supports Extended Statistics, changes from driver to driver.
721 * **[implements] eth_dev_ops**: ``xstats_get``, ``xstats_reset``, ``xstats_get_names``.
722 * **[implements] eth_dev_ops**: ``xstats_get_by_id``, ``xstats_get_names_by_id``.
723 * **[related] API**: ``rte_eth_xstats_get()``, ``rte_eth_xstats_reset()``,
724 ``rte_eth_xstats_get_names``, ``rte_eth_xstats_get_by_id()``,
725 ``rte_eth_xstats_get_names_by_id()``, ``rte_eth_xstats_get_id_by_name()``.
728 .. _nic_features_stats_per_queue:
733 Supports configuring per-queue stat counter mapping.
735 * **[implements] eth_dev_ops**: ``queue_stats_mapping_set``.
736 * **[related] API**: ``rte_eth_dev_set_rx_queue_stats_mapping()``,
737 ``rte_eth_dev_set_tx_queue_stats_mapping()``.
740 .. _nic_features_fw_version:
745 Supports getting device hardware firmware information.
747 * **[implements] eth_dev_ops**: ``fw_version_get``.
748 * **[related] API**: ``rte_eth_dev_fw_version_get()``.
751 .. _nic_features_eeprom_dump:
756 Supports getting/setting device eeprom data.
758 * **[implements] eth_dev_ops**: ``get_eeprom_length``, ``get_eeprom``, ``set_eeprom``.
759 * **[related] API**: ``rte_eth_dev_get_eeprom_length()``, ``rte_eth_dev_get_eeprom()``,
760 ``rte_eth_dev_set_eeprom()``.
763 .. _nic_features_module_eeprom_dump:
768 Supports getting information and data of plugin module eeprom.
770 * **[implements] eth_dev_ops**: ``get_module_info``, ``get_module_eeprom``.
771 * **[related] API**: ``rte_eth_dev_get_module_info()``, ``rte_eth_dev_get_module_eeprom()``.
774 .. _nic_features_register_dump:
779 Supports retrieving device registers and registering attributes (number of
780 registers and register size).
782 * **[implements] eth_dev_ops**: ``get_reg``.
783 * **[related] API**: ``rte_eth_dev_get_reg_info()``.
786 .. _nic_features_led:
791 Supports turning on/off a software controllable LED on a device.
793 * **[implements] eth_dev_ops**: ``dev_led_on``, ``dev_led_off``.
794 * **[related] API**: ``rte_eth_led_on()``, ``rte_eth_led_off()``.
797 .. _nic_features_multiprocess_aware:
802 Driver can be used for primary-secondary process model.
805 .. _nic_features_bsd_nic_uio:
810 BSD ``nic_uio`` module supported.
813 .. _nic_features_linux_uio:
818 Works with ``igb_uio`` kernel module.
820 * **[provides] RTE_PMD_REGISTER_KMOD_DEP**: ``igb_uio``.
822 .. _nic_features_linux_vfio:
827 Works with ``vfio-pci`` kernel module.
829 * **[provides] RTE_PMD_REGISTER_KMOD_DEP**: ``vfio-pci``.
831 .. _nic_features_other_kdrv:
836 Kernel module other than above ones supported.
839 .. _nic_features_armv7:
844 Support armv7 architecture.
846 Use ``defconfig_arm-armv7a-*-*``.
849 .. _nic_features_armv8:
854 Support armv8a (64bit) architecture.
856 Use ``defconfig_arm64-armv8a-*-*``
859 .. _nic_features_power8:
864 Support PowerPC architecture.
866 Use ``defconfig_ppc_64-power8-*-*``
868 .. _nic_features_x86-32:
873 Support 32bits x86 architecture.
875 Use ``defconfig_x86_x32-native-*-*`` and ``defconfig_i686-native-*-*``.
878 .. _nic_features_x86-64:
883 Support 64bits x86 architecture.
885 Use ``defconfig_x86_64-native-*-*``.
888 .. _nic_features_usage_doc:
893 Documentation describes usage.
895 See ``doc/guides/nics/*.rst``
898 .. _nic_features_design_doc:
903 Documentation describes design.
905 See ``doc/guides/nics/*.rst``.
908 .. _nic_features_perf_doc:
913 Documentation describes performance values.
915 See ``dpdk.org/doc/perf/*``.
917 .. _nic_features_runtime_rx_queue_setup:
919 Runtime Rx queue setup
920 ----------------------
922 Supports Rx queue setup after device started.
924 * **[provides] rte_eth_dev_info**: ``dev_capa:RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP``.
925 * **[related] API**: ``rte_eth_dev_info_get()``.
927 .. _nic_features_runtime_tx_queue_setup:
929 Runtime Tx queue setup
930 ----------------------
932 Supports Tx queue setup after device started.
934 * **[provides] rte_eth_dev_info**: ``dev_capa:RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP``.
935 * **[related] API**: ``rte_eth_dev_info_get()``.
937 .. _nic_features_other:
939 Other dev ops not represented by a Feature
940 ------------------------------------------
945 * ``vlan_strip_queue_set``
948 * ``l2_tunnel_offload_set``
949 * ``uc_hash_table_set``
950 * ``uc_all_hash_table_set``
951 * ``udp_tunnel_port_add``
952 * ``udp_tunnel_port_del``
953 * ``l2_tunnel_eth_type_conf``
954 * ``l2_tunnel_offload_set``