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34 #ifndef _RTE_ETHDEV_H_
35 #define _RTE_ETHDEV_H_
40 * RTE Ethernet Device API
42 * The Ethernet Device API is composed of two parts:
44 * - The application-oriented Ethernet API that includes functions to setup
45 * an Ethernet device (configure it, setup its RX and TX queues and start it),
46 * to get its MAC address, the speed and the status of its physical link,
47 * to receive and to transmit packets, and so on.
49 * - The driver-oriented Ethernet API that exports a function allowing
50 * an Ethernet Poll Mode Driver (PMD) to simultaneously register itself as
51 * an Ethernet device driver and as a PCI driver for a set of matching PCI
52 * [Ethernet] devices classes.
54 * By default, all the functions of the Ethernet Device API exported by a PMD
55 * are lock-free functions which assume to not be invoked in parallel on
56 * different logical cores to work on the same target object. For instance,
57 * the receive function of a PMD cannot be invoked in parallel on two logical
58 * cores to poll the same RX queue [of the same port]. Of course, this function
59 * can be invoked in parallel by different logical cores on different RX queues.
60 * It is the responsibility of the upper level application to enforce this rule.
62 * If needed, parallel accesses by multiple logical cores to shared queues
63 * shall be explicitly protected by dedicated inline lock-aware functions
64 * built on top of their corresponding lock-free functions of the PMD API.
66 * In all functions of the Ethernet API, the Ethernet device is
67 * designated by an integer >= 0 named the device port identifier.
69 * At the Ethernet driver level, Ethernet devices are represented by a generic
70 * data structure of type *rte_eth_dev*.
72 * Ethernet devices are dynamically registered during the PCI probing phase
73 * performed at EAL initialization time.
74 * When an Ethernet device is being probed, an *rte_eth_dev* structure and
75 * a new port identifier are allocated for that device. Then, the eth_dev_init()
76 * function supplied by the Ethernet driver matching the probed PCI
77 * device is invoked to properly initialize the device.
79 * The role of the device init function consists of resetting the hardware,
80 * checking access to Non-volatile Memory (NVM), reading the MAC address
83 * If the device init operation is successful, the correspondence between
84 * the port identifier assigned to the new device and its associated
85 * *rte_eth_dev* structure is effectively registered.
86 * Otherwise, both the *rte_eth_dev* structure and the port identifier are
89 * The functions exported by the application Ethernet API to setup a device
90 * designated by its port identifier must be invoked in the following order:
91 * - rte_eth_dev_configure()
92 * - rte_eth_tx_queue_setup()
93 * - rte_eth_rx_queue_setup()
94 * - rte_eth_dev_start()
96 * Then, the network application can invoke, in any order, the functions
97 * exported by the Ethernet API to get the MAC address of a given device, to
98 * get the speed and the status of a device physical link, to receive/transmit
99 * [burst of] packets, and so on.
101 * If the application wants to change the configuration (i.e. call
102 * rte_eth_dev_configure(), rte_eth_tx_queue_setup(), or
103 * rte_eth_rx_queue_setup()), it must call rte_eth_dev_stop() first to stop the
104 * device and then do the reconfiguration before calling rte_eth_dev_start()
105 * again. The tramsit and receive functions should not be invoked when the
108 * Please note that some configuration is not stored between calls to
109 * rte_eth_dev_stop()/rte_eth_dev_start(). The following configuration will
112 * - flow control settings
113 * - receive mode configuration (promiscuous mode, hardware checksum mode,
114 * RSS/VMDQ settings etc.)
115 * - VLAN filtering configuration
116 * - MAC addresses supplied to MAC address array
117 * - flow director filtering mode (but not filtering rules)
118 * - NIC queue statistics mappings
120 * Any other configuration will not be stored and will need to be re-entered
121 * after a call to rte_eth_dev_start().
123 * Finally, a network application can close an Ethernet device by invoking the
124 * rte_eth_dev_close() function.
126 * Each function of the application Ethernet API invokes a specific function
127 * of the PMD that controls the target device designated by its port
129 * For this purpose, all device-specific functions of an Ethernet driver are
130 * supplied through a set of pointers contained in a generic structure of type
132 * The address of the *eth_dev_ops* structure is stored in the *rte_eth_dev*
133 * structure by the device init function of the Ethernet driver, which is
134 * invoked during the PCI probing phase, as explained earlier.
136 * In other words, each function of the Ethernet API simply retrieves the
137 * *rte_eth_dev* structure associated with the device port identifier and
138 * performs an indirect invocation of the corresponding driver function
139 * supplied in the *eth_dev_ops* structure of the *rte_eth_dev* structure.
141 * For performance reasons, the address of the burst-oriented RX and TX
142 * functions of the Ethernet driver are not contained in the *eth_dev_ops*
143 * structure. Instead, they are directly stored at the beginning of the
144 * *rte_eth_dev* structure to avoid an extra indirect memory access during
147 * RTE ethernet device drivers do not use interrupts for transmitting or
148 * receiving. Instead, Ethernet drivers export Poll-Mode receive and transmit
149 * functions to applications.
150 * Both receive and transmit functions are packet-burst oriented to minimize
151 * their cost per packet through the following optimizations:
153 * - Sharing among multiple packets the incompressible cost of the
154 * invocation of receive/transmit functions.
156 * - Enabling receive/transmit functions to take advantage of burst-oriented
157 * hardware features (L1 cache, prefetch instructions, NIC head/tail
158 * registers) to minimize the number of CPU cycles per packet, for instance,
159 * by avoiding useless read memory accesses to ring descriptors, or by
160 * systematically using arrays of pointers that exactly fit L1 cache line
161 * boundaries and sizes.
163 * The burst-oriented receive function does not provide any error notification,
164 * to avoid the corresponding overhead. As a hint, the upper-level application
165 * might check the status of the device link once being systematically returned
166 * a 0 value by the receive function of the driver for a given number of tries.
175 /* Use this macro to check if LRO API is supported */
176 #define RTE_ETHDEV_HAS_LRO_SUPPORT
179 #include <rte_interrupts.h>
182 #include <rte_devargs.h>
183 #include "rte_ether.h"
184 #include "rte_eth_ctrl.h"
185 #include "rte_dev_info.h"
190 * A structure used to retrieve statistics for an Ethernet port.
192 struct rte_eth_stats {
193 uint64_t ipackets; /**< Total number of successfully received packets. */
194 uint64_t opackets; /**< Total number of successfully transmitted packets.*/
195 uint64_t ibytes; /**< Total number of successfully received bytes. */
196 uint64_t obytes; /**< Total number of successfully transmitted bytes. */
197 uint64_t imissed; /**< Total of RX missed packets (e.g full FIFO). */
198 uint64_t ibadcrc; /**< Total of RX packets with CRC error. */
199 uint64_t ibadlen; /**< Total of RX packets with bad length. */
200 uint64_t ierrors; /**< Total number of erroneous received packets. */
201 uint64_t oerrors; /**< Total number of failed transmitted packets. */
202 uint64_t imcasts; /**< Total number of multicast received packets. */
203 uint64_t rx_nombuf; /**< Total number of RX mbuf allocation failures. */
204 uint64_t fdirmatch; /**< Total number of RX packets matching a filter. */
205 uint64_t fdirmiss; /**< Total number of RX packets not matching any filter. */
206 uint64_t tx_pause_xon; /**< Total nb. of XON pause frame sent. */
207 uint64_t rx_pause_xon; /**< Total nb. of XON pause frame received. */
208 uint64_t tx_pause_xoff; /**< Total nb. of XOFF pause frame sent. */
209 uint64_t rx_pause_xoff; /**< Total nb. of XOFF pause frame received. */
210 uint64_t q_ipackets[RTE_ETHDEV_QUEUE_STAT_CNTRS];
211 /**< Total number of queue RX packets. */
212 uint64_t q_opackets[RTE_ETHDEV_QUEUE_STAT_CNTRS];
213 /**< Total number of queue TX packets. */
214 uint64_t q_ibytes[RTE_ETHDEV_QUEUE_STAT_CNTRS];
215 /**< Total number of successfully received queue bytes. */
216 uint64_t q_obytes[RTE_ETHDEV_QUEUE_STAT_CNTRS];
217 /**< Total number of successfully transmitted queue bytes. */
218 uint64_t q_errors[RTE_ETHDEV_QUEUE_STAT_CNTRS];
219 /**< Total number of queue packets received that are dropped. */
221 /**< Total number of good packets received from loopback,VF Only */
223 /**< Total number of good packets transmitted to loopback,VF Only */
225 /**< Total number of good bytes received from loopback,VF Only */
227 /**< Total number of good bytes transmitted to loopback,VF Only */
231 * A structure used to retrieve link-level information of an Ethernet port.
233 struct rte_eth_link {
234 uint16_t link_speed; /**< ETH_LINK_SPEED_[10, 100, 1000, 10000] */
235 uint16_t link_duplex; /**< ETH_LINK_[HALF_DUPLEX, FULL_DUPLEX] */
236 uint8_t link_status : 1; /**< 1 -> link up, 0 -> link down */
237 }__attribute__((aligned(8))); /**< aligned for atomic64 read/write */
239 #define ETH_LINK_SPEED_AUTONEG 0 /**< Auto-negotiate link speed. */
240 #define ETH_LINK_SPEED_10 10 /**< 10 megabits/second. */
241 #define ETH_LINK_SPEED_100 100 /**< 100 megabits/second. */
242 #define ETH_LINK_SPEED_1000 1000 /**< 1 gigabits/second. */
243 #define ETH_LINK_SPEED_10000 10000 /**< 10 gigabits/second. */
244 #define ETH_LINK_SPEED_10G 10000 /**< alias of 10 gigabits/second. */
245 #define ETH_LINK_SPEED_20G 20000 /**< 20 gigabits/second. */
246 #define ETH_LINK_SPEED_40G 40000 /**< 40 gigabits/second. */
248 #define ETH_LINK_AUTONEG_DUPLEX 0 /**< Auto-negotiate duplex. */
249 #define ETH_LINK_HALF_DUPLEX 1 /**< Half-duplex connection. */
250 #define ETH_LINK_FULL_DUPLEX 2 /**< Full-duplex connection. */
253 * A structure used to configure the ring threshold registers of an RX/TX
254 * queue for an Ethernet port.
256 struct rte_eth_thresh {
257 uint8_t pthresh; /**< Ring prefetch threshold. */
258 uint8_t hthresh; /**< Ring host threshold. */
259 uint8_t wthresh; /**< Ring writeback threshold. */
263 * Simple flags are used for rte_eth_conf.rxmode.mq_mode.
265 #define ETH_MQ_RX_RSS_FLAG 0x1
266 #define ETH_MQ_RX_DCB_FLAG 0x2
267 #define ETH_MQ_RX_VMDQ_FLAG 0x4
270 * A set of values to identify what method is to be used to route
271 * packets to multiple queues.
273 enum rte_eth_rx_mq_mode {
274 /** None of DCB,RSS or VMDQ mode */
277 /** For RX side, only RSS is on */
278 ETH_MQ_RX_RSS = ETH_MQ_RX_RSS_FLAG,
279 /** For RX side,only DCB is on. */
280 ETH_MQ_RX_DCB = ETH_MQ_RX_DCB_FLAG,
281 /** Both DCB and RSS enable */
282 ETH_MQ_RX_DCB_RSS = ETH_MQ_RX_RSS_FLAG | ETH_MQ_RX_DCB_FLAG,
284 /** Only VMDQ, no RSS nor DCB */
285 ETH_MQ_RX_VMDQ_ONLY = ETH_MQ_RX_VMDQ_FLAG,
286 /** RSS mode with VMDQ */
287 ETH_MQ_RX_VMDQ_RSS = ETH_MQ_RX_RSS_FLAG | ETH_MQ_RX_VMDQ_FLAG,
288 /** Use VMDQ+DCB to route traffic to queues */
289 ETH_MQ_RX_VMDQ_DCB = ETH_MQ_RX_VMDQ_FLAG | ETH_MQ_RX_DCB_FLAG,
290 /** Enable both VMDQ and DCB in VMDq */
291 ETH_MQ_RX_VMDQ_DCB_RSS = ETH_MQ_RX_RSS_FLAG | ETH_MQ_RX_DCB_FLAG |
296 * for rx mq mode backward compatible
298 #define ETH_RSS ETH_MQ_RX_RSS
299 #define VMDQ_DCB ETH_MQ_RX_VMDQ_DCB
300 #define ETH_DCB_RX ETH_MQ_RX_DCB
303 * A set of values to identify what method is to be used to transmit
304 * packets using multi-TCs.
306 enum rte_eth_tx_mq_mode {
307 ETH_MQ_TX_NONE = 0, /**< It is in neither DCB nor VT mode. */
308 ETH_MQ_TX_DCB, /**< For TX side,only DCB is on. */
309 ETH_MQ_TX_VMDQ_DCB, /**< For TX side,both DCB and VT is on. */
310 ETH_MQ_TX_VMDQ_ONLY, /**< Only VT on, no DCB */
314 * for tx mq mode backward compatible
316 #define ETH_DCB_NONE ETH_MQ_TX_NONE
317 #define ETH_VMDQ_DCB_TX ETH_MQ_TX_VMDQ_DCB
318 #define ETH_DCB_TX ETH_MQ_TX_DCB
321 * A structure used to configure the RX features of an Ethernet port.
323 struct rte_eth_rxmode {
324 /** The multi-queue packet distribution mode to be used, e.g. RSS. */
325 enum rte_eth_rx_mq_mode mq_mode;
326 uint32_t max_rx_pkt_len; /**< Only used if jumbo_frame enabled. */
327 uint16_t split_hdr_size; /**< hdr buf size (header_split enabled).*/
328 uint16_t header_split : 1, /**< Header Split enable. */
329 hw_ip_checksum : 1, /**< IP/UDP/TCP checksum offload enable. */
330 hw_vlan_filter : 1, /**< VLAN filter enable. */
331 hw_vlan_strip : 1, /**< VLAN strip enable. */
332 hw_vlan_extend : 1, /**< Extended VLAN enable. */
333 jumbo_frame : 1, /**< Jumbo Frame Receipt enable. */
334 hw_strip_crc : 1, /**< Enable CRC stripping by hardware. */
335 enable_scatter : 1, /**< Enable scatter packets rx handler */
336 enable_lro : 1; /**< Enable LRO */
340 * A structure used to configure the Receive Side Scaling (RSS) feature
341 * of an Ethernet port.
342 * If not NULL, the *rss_key* pointer of the *rss_conf* structure points
343 * to an array holding the RSS key to use for hashing specific header
344 * fields of received packets. The length of this array should be indicated
345 * by *rss_key_len* below. Otherwise, a default random hash key is used by
348 * The *rss_key_len* field of the *rss_conf* structure indicates the length
349 * in bytes of the array pointed by *rss_key*. To be compatible, this length
350 * will be checked in i40e only. Others assume 40 bytes to be used as before.
352 * The *rss_hf* field of the *rss_conf* structure indicates the different
353 * types of IPv4/IPv6 packets to which the RSS hashing must be applied.
354 * Supplying an *rss_hf* equal to zero disables the RSS feature.
356 struct rte_eth_rss_conf {
357 uint8_t *rss_key; /**< If not NULL, 40-byte hash key. */
358 uint8_t rss_key_len; /**< hash key length in bytes. */
359 uint64_t rss_hf; /**< Hash functions to apply - see below. */
363 * The RSS offload types are defined based on flow types which are defined
364 * in rte_eth_ctrl.h. Different NIC hardwares may support different RSS offload
365 * types. The supported flow types or RSS offload types can be queried by
366 * rte_eth_dev_info_get().
368 #define ETH_RSS_IPV4 (1ULL << RTE_ETH_FLOW_IPV4)
369 #define ETH_RSS_FRAG_IPV4 (1ULL << RTE_ETH_FLOW_FRAG_IPV4)
370 #define ETH_RSS_NONFRAG_IPV4_TCP (1ULL << RTE_ETH_FLOW_NONFRAG_IPV4_TCP)
371 #define ETH_RSS_NONFRAG_IPV4_UDP (1ULL << RTE_ETH_FLOW_NONFRAG_IPV4_UDP)
372 #define ETH_RSS_NONFRAG_IPV4_SCTP (1ULL << RTE_ETH_FLOW_NONFRAG_IPV4_SCTP)
373 #define ETH_RSS_NONFRAG_IPV4_OTHER (1ULL << RTE_ETH_FLOW_NONFRAG_IPV4_OTHER)
374 #define ETH_RSS_IPV6 (1ULL << RTE_ETH_FLOW_IPV6)
375 #define ETH_RSS_FRAG_IPV6 (1ULL << RTE_ETH_FLOW_FRAG_IPV6)
376 #define ETH_RSS_NONFRAG_IPV6_TCP (1ULL << RTE_ETH_FLOW_NONFRAG_IPV6_TCP)
377 #define ETH_RSS_NONFRAG_IPV6_UDP (1ULL << RTE_ETH_FLOW_NONFRAG_IPV6_UDP)
378 #define ETH_RSS_NONFRAG_IPV6_SCTP (1ULL << RTE_ETH_FLOW_NONFRAG_IPV6_SCTP)
379 #define ETH_RSS_NONFRAG_IPV6_OTHER (1ULL << RTE_ETH_FLOW_NONFRAG_IPV6_OTHER)
380 #define ETH_RSS_L2_PAYLOAD (1ULL << RTE_ETH_FLOW_L2_PAYLOAD)
381 #define ETH_RSS_IPV6_EX (1ULL << RTE_ETH_FLOW_IPV6_EX)
382 #define ETH_RSS_IPV6_TCP_EX (1ULL << RTE_ETH_FLOW_IPV6_TCP_EX)
383 #define ETH_RSS_IPV6_UDP_EX (1ULL << RTE_ETH_FLOW_IPV6_UDP_EX)
385 #define ETH_RSS_IP ( \
387 ETH_RSS_FRAG_IPV4 | \
388 ETH_RSS_NONFRAG_IPV4_OTHER | \
390 ETH_RSS_FRAG_IPV6 | \
391 ETH_RSS_NONFRAG_IPV6_OTHER | \
394 #define ETH_RSS_UDP ( \
395 ETH_RSS_NONFRAG_IPV4_UDP | \
396 ETH_RSS_NONFRAG_IPV6_UDP | \
399 #define ETH_RSS_TCP ( \
400 ETH_RSS_NONFRAG_IPV4_TCP | \
401 ETH_RSS_NONFRAG_IPV6_TCP | \
404 #define ETH_RSS_SCTP ( \
405 ETH_RSS_NONFRAG_IPV4_SCTP | \
406 ETH_RSS_NONFRAG_IPV6_SCTP)
408 /**< Mask of valid RSS hash protocols */
409 #define ETH_RSS_PROTO_MASK ( \
411 ETH_RSS_FRAG_IPV4 | \
412 ETH_RSS_NONFRAG_IPV4_TCP | \
413 ETH_RSS_NONFRAG_IPV4_UDP | \
414 ETH_RSS_NONFRAG_IPV4_SCTP | \
415 ETH_RSS_NONFRAG_IPV4_OTHER | \
417 ETH_RSS_FRAG_IPV6 | \
418 ETH_RSS_NONFRAG_IPV6_TCP | \
419 ETH_RSS_NONFRAG_IPV6_UDP | \
420 ETH_RSS_NONFRAG_IPV6_SCTP | \
421 ETH_RSS_NONFRAG_IPV6_OTHER | \
422 ETH_RSS_L2_PAYLOAD | \
424 ETH_RSS_IPV6_TCP_EX | \
428 * Definitions used for redirection table entry size.
429 * Some RSS RETA sizes may not be supported by some drivers, check the
430 * documentation or the description of relevant functions for more details.
432 #define ETH_RSS_RETA_SIZE_64 64
433 #define ETH_RSS_RETA_SIZE_128 128
434 #define ETH_RSS_RETA_SIZE_512 512
435 #define RTE_RETA_GROUP_SIZE 64
437 /* Definitions used for VMDQ and DCB functionality */
438 #define ETH_VMDQ_MAX_VLAN_FILTERS 64 /**< Maximum nb. of VMDQ vlan filters. */
439 #define ETH_DCB_NUM_USER_PRIORITIES 8 /**< Maximum nb. of DCB priorities. */
440 #define ETH_VMDQ_DCB_NUM_QUEUES 128 /**< Maximum nb. of VMDQ DCB queues. */
441 #define ETH_DCB_NUM_QUEUES 128 /**< Maximum nb. of DCB queues. */
443 /* DCB capability defines */
444 #define ETH_DCB_PG_SUPPORT 0x00000001 /**< Priority Group(ETS) support. */
445 #define ETH_DCB_PFC_SUPPORT 0x00000002 /**< Priority Flow Control support. */
447 /* Definitions used for VLAN Offload functionality */
448 #define ETH_VLAN_STRIP_OFFLOAD 0x0001 /**< VLAN Strip On/Off */
449 #define ETH_VLAN_FILTER_OFFLOAD 0x0002 /**< VLAN Filter On/Off */
450 #define ETH_VLAN_EXTEND_OFFLOAD 0x0004 /**< VLAN Extend On/Off */
452 /* Definitions used for mask VLAN setting */
453 #define ETH_VLAN_STRIP_MASK 0x0001 /**< VLAN Strip setting mask */
454 #define ETH_VLAN_FILTER_MASK 0x0002 /**< VLAN Filter setting mask*/
455 #define ETH_VLAN_EXTEND_MASK 0x0004 /**< VLAN Extend setting mask*/
456 #define ETH_VLAN_ID_MAX 0x0FFF /**< VLAN ID is in lower 12 bits*/
458 /* Definitions used for receive MAC address */
459 #define ETH_NUM_RECEIVE_MAC_ADDR 128 /**< Maximum nb. of receive mac addr. */
461 /* Definitions used for unicast hash */
462 #define ETH_VMDQ_NUM_UC_HASH_ARRAY 128 /**< Maximum nb. of UC hash array. */
464 /* Definitions used for VMDQ pool rx mode setting */
465 #define ETH_VMDQ_ACCEPT_UNTAG 0x0001 /**< accept untagged packets. */
466 #define ETH_VMDQ_ACCEPT_HASH_MC 0x0002 /**< accept packets in multicast table . */
467 #define ETH_VMDQ_ACCEPT_HASH_UC 0x0004 /**< accept packets in unicast table. */
468 #define ETH_VMDQ_ACCEPT_BROADCAST 0x0008 /**< accept broadcast packets. */
469 #define ETH_VMDQ_ACCEPT_MULTICAST 0x0010 /**< multicast promiscuous. */
471 /** Maximum nb. of vlan per mirror rule */
472 #define ETH_MIRROR_MAX_VLANS 64
474 #define ETH_MIRROR_VIRTUAL_POOL_UP 0x01 /**< Virtual Pool uplink Mirroring. */
475 #define ETH_MIRROR_UPLINK_PORT 0x02 /**< Uplink Port Mirroring. */
476 #define ETH_MIRROR_DOWNLINK_PORT 0x04 /**< Downlink Port Mirroring. */
477 #define ETH_MIRROR_VLAN 0x08 /**< VLAN Mirroring. */
478 #define ETH_MIRROR_VIRTUAL_POOL_DOWN 0x10 /**< Virtual Pool downlink Mirroring. */
481 * A structure used to configure VLAN traffic mirror of an Ethernet port.
483 struct rte_eth_vlan_mirror {
484 uint64_t vlan_mask; /**< mask for valid VLAN ID. */
485 /** VLAN ID list for vlan mirroring. */
486 uint16_t vlan_id[ETH_MIRROR_MAX_VLANS];
490 * A structure used to configure traffic mirror of an Ethernet port.
492 struct rte_eth_mirror_conf {
493 uint8_t rule_type; /**< Mirroring rule type */
494 uint8_t dst_pool; /**< Destination pool for this mirror rule. */
495 uint64_t pool_mask; /**< Bitmap of pool for pool mirroring */
496 /** VLAN ID setting for VLAN mirroring. */
497 struct rte_eth_vlan_mirror vlan;
501 * A structure used to configure 64 entries of Redirection Table of the
502 * Receive Side Scaling (RSS) feature of an Ethernet port. To configure
503 * more than 64 entries supported by hardware, an array of this structure
506 struct rte_eth_rss_reta_entry64 {
508 /**< Mask bits indicate which entries need to be updated/queried. */
509 uint8_t reta[RTE_RETA_GROUP_SIZE];
510 /**< Group of 64 redirection table entries. */
514 * This enum indicates the possible number of traffic classes
515 * in DCB configratioins
517 enum rte_eth_nb_tcs {
518 ETH_4_TCS = 4, /**< 4 TCs with DCB. */
519 ETH_8_TCS = 8 /**< 8 TCs with DCB. */
523 * This enum indicates the possible number of queue pools
524 * in VMDQ configurations.
526 enum rte_eth_nb_pools {
527 ETH_8_POOLS = 8, /**< 8 VMDq pools. */
528 ETH_16_POOLS = 16, /**< 16 VMDq pools. */
529 ETH_32_POOLS = 32, /**< 32 VMDq pools. */
530 ETH_64_POOLS = 64 /**< 64 VMDq pools. */
533 /* This structure may be extended in future. */
534 struct rte_eth_dcb_rx_conf {
535 enum rte_eth_nb_tcs nb_tcs; /**< Possible DCB TCs, 4 or 8 TCs */
536 uint8_t dcb_queue[ETH_DCB_NUM_USER_PRIORITIES];
537 /**< Possible DCB queue,4 or 8. */
540 struct rte_eth_vmdq_dcb_tx_conf {
541 enum rte_eth_nb_pools nb_queue_pools; /**< With DCB, 16 or 32 pools. */
542 uint8_t dcb_queue[ETH_DCB_NUM_USER_PRIORITIES];
543 /**< Possible DCB queue,4 or 8. */
546 struct rte_eth_dcb_tx_conf {
547 enum rte_eth_nb_tcs nb_tcs; /**< Possible DCB TCs, 4 or 8 TCs. */
548 uint8_t dcb_queue[ETH_DCB_NUM_USER_PRIORITIES];
549 /**< Possible DCB queue,4 or 8. */
552 struct rte_eth_vmdq_tx_conf {
553 enum rte_eth_nb_pools nb_queue_pools; /**< VMDq mode, 64 pools. */
557 * A structure used to configure the VMDQ+DCB feature
558 * of an Ethernet port.
560 * Using this feature, packets are routed to a pool of queues, based
561 * on the vlan id in the vlan tag, and then to a specific queue within
562 * that pool, using the user priority vlan tag field.
564 * A default pool may be used, if desired, to route all traffic which
565 * does not match the vlan filter rules.
567 struct rte_eth_vmdq_dcb_conf {
568 enum rte_eth_nb_pools nb_queue_pools; /**< With DCB, 16 or 32 pools */
569 uint8_t enable_default_pool; /**< If non-zero, use a default pool */
570 uint8_t default_pool; /**< The default pool, if applicable */
571 uint8_t nb_pool_maps; /**< We can have up to 64 filters/mappings */
573 uint16_t vlan_id; /**< The vlan id of the received frame */
574 uint64_t pools; /**< Bitmask of pools for packet rx */
575 } pool_map[ETH_VMDQ_MAX_VLAN_FILTERS]; /**< VMDq vlan pool maps. */
576 uint8_t dcb_queue[ETH_DCB_NUM_USER_PRIORITIES];
577 /**< Selects a queue in a pool */
580 struct rte_eth_vmdq_rx_conf {
581 enum rte_eth_nb_pools nb_queue_pools; /**< VMDq only mode, 8 or 64 pools */
582 uint8_t enable_default_pool; /**< If non-zero, use a default pool */
583 uint8_t default_pool; /**< The default pool, if applicable */
584 uint8_t enable_loop_back; /**< Enable VT loop back */
585 uint8_t nb_pool_maps; /**< We can have up to 64 filters/mappings */
586 uint32_t rx_mode; /**< Flags from ETH_VMDQ_ACCEPT_* */
588 uint16_t vlan_id; /**< The vlan id of the received frame */
589 uint64_t pools; /**< Bitmask of pools for packet rx */
590 } pool_map[ETH_VMDQ_MAX_VLAN_FILTERS]; /**< VMDq vlan pool maps. */
594 * A structure used to configure the TX features of an Ethernet port.
596 struct rte_eth_txmode {
597 enum rte_eth_tx_mq_mode mq_mode; /**< TX multi-queues mode. */
599 /* For i40e specifically */
601 uint8_t hw_vlan_reject_tagged : 1,
602 /**< If set, reject sending out tagged pkts */
603 hw_vlan_reject_untagged : 1,
604 /**< If set, reject sending out untagged pkts */
605 hw_vlan_insert_pvid : 1;
606 /**< If set, enable port based VLAN insertion */
610 * A structure used to configure an RX ring of an Ethernet port.
612 struct rte_eth_rxconf {
613 struct rte_eth_thresh rx_thresh; /**< RX ring threshold registers. */
614 uint16_t rx_free_thresh; /**< Drives the freeing of RX descriptors. */
615 uint8_t rx_drop_en; /**< Drop packets if no descriptors are available. */
616 uint8_t rx_deferred_start; /**< Do not start queue with rte_eth_dev_start(). */
619 #define ETH_TXQ_FLAGS_NOMULTSEGS 0x0001 /**< nb_segs=1 for all mbufs */
620 #define ETH_TXQ_FLAGS_NOREFCOUNT 0x0002 /**< refcnt can be ignored */
621 #define ETH_TXQ_FLAGS_NOMULTMEMP 0x0004 /**< all bufs come from same mempool */
622 #define ETH_TXQ_FLAGS_NOVLANOFFL 0x0100 /**< disable VLAN offload */
623 #define ETH_TXQ_FLAGS_NOXSUMSCTP 0x0200 /**< disable SCTP checksum offload */
624 #define ETH_TXQ_FLAGS_NOXSUMUDP 0x0400 /**< disable UDP checksum offload */
625 #define ETH_TXQ_FLAGS_NOXSUMTCP 0x0800 /**< disable TCP checksum offload */
626 #define ETH_TXQ_FLAGS_NOOFFLOADS \
627 (ETH_TXQ_FLAGS_NOVLANOFFL | ETH_TXQ_FLAGS_NOXSUMSCTP | \
628 ETH_TXQ_FLAGS_NOXSUMUDP | ETH_TXQ_FLAGS_NOXSUMTCP)
629 #define ETH_TXQ_FLAGS_NOXSUMS \
630 (ETH_TXQ_FLAGS_NOXSUMSCTP | ETH_TXQ_FLAGS_NOXSUMUDP | \
631 ETH_TXQ_FLAGS_NOXSUMTCP)
633 * A structure used to configure a TX ring of an Ethernet port.
635 struct rte_eth_txconf {
636 struct rte_eth_thresh tx_thresh; /**< TX ring threshold registers. */
637 uint16_t tx_rs_thresh; /**< Drives the setting of RS bit on TXDs. */
638 uint16_t tx_free_thresh; /**< Start freeing TX buffers if there are
639 less free descriptors than this value. */
641 uint32_t txq_flags; /**< Set flags for the Tx queue */
642 uint8_t tx_deferred_start; /**< Do not start queue with rte_eth_dev_start(). */
646 * This enum indicates the flow control mode
648 enum rte_eth_fc_mode {
649 RTE_FC_NONE = 0, /**< Disable flow control. */
650 RTE_FC_RX_PAUSE, /**< RX pause frame, enable flowctrl on TX side. */
651 RTE_FC_TX_PAUSE, /**< TX pause frame, enable flowctrl on RX side. */
652 RTE_FC_FULL /**< Enable flow control on both side. */
656 * A structure used to configure Ethernet flow control parameter.
657 * These parameters will be configured into the register of the NIC.
658 * Please refer to the corresponding data sheet for proper value.
660 struct rte_eth_fc_conf {
661 uint32_t high_water; /**< High threshold value to trigger XOFF */
662 uint32_t low_water; /**< Low threshold value to trigger XON */
663 uint16_t pause_time; /**< Pause quota in the Pause frame */
664 uint16_t send_xon; /**< Is XON frame need be sent */
665 enum rte_eth_fc_mode mode; /**< Link flow control mode */
666 uint8_t mac_ctrl_frame_fwd; /**< Forward MAC control frames */
667 uint8_t autoneg; /**< Use Pause autoneg */
671 * A structure used to configure Ethernet priority flow control parameter.
672 * These parameters will be configured into the register of the NIC.
673 * Please refer to the corresponding data sheet for proper value.
675 struct rte_eth_pfc_conf {
676 struct rte_eth_fc_conf fc; /**< General flow control parameter. */
677 uint8_t priority; /**< VLAN User Priority. */
681 * Memory space that can be configured to store Flow Director filters
682 * in the board memory.
684 enum rte_fdir_pballoc_type {
685 RTE_FDIR_PBALLOC_64K = 0, /**< 64k. */
686 RTE_FDIR_PBALLOC_128K, /**< 128k. */
687 RTE_FDIR_PBALLOC_256K, /**< 256k. */
691 * Select report mode of FDIR hash information in RX descriptors.
693 enum rte_fdir_status_mode {
694 RTE_FDIR_NO_REPORT_STATUS = 0, /**< Never report FDIR hash. */
695 RTE_FDIR_REPORT_STATUS, /**< Only report FDIR hash for matching pkts. */
696 RTE_FDIR_REPORT_STATUS_ALWAYS, /**< Always report FDIR hash. */
700 * A structure used to configure the Flow Director (FDIR) feature
701 * of an Ethernet port.
703 * If mode is RTE_FDIR_DISABLE, the pballoc value is ignored.
705 struct rte_fdir_conf {
706 enum rte_fdir_mode mode; /**< Flow Director mode. */
707 enum rte_fdir_pballoc_type pballoc; /**< Space for FDIR filters. */
708 enum rte_fdir_status_mode status; /**< How to report FDIR hash. */
709 /** RX queue of packets matching a "drop" filter in perfect mode. */
711 struct rte_eth_fdir_masks mask;
712 struct rte_eth_fdir_flex_conf flex_conf;
713 /**< Flex payload configuration. */
717 * UDP tunneling configuration.
719 struct rte_eth_udp_tunnel {
725 * Possible l4type of FDIR filters.
728 RTE_FDIR_L4TYPE_NONE = 0, /**< None. */
729 RTE_FDIR_L4TYPE_UDP, /**< UDP. */
730 RTE_FDIR_L4TYPE_TCP, /**< TCP. */
731 RTE_FDIR_L4TYPE_SCTP, /**< SCTP. */
735 * Select IPv4 or IPv6 FDIR filters.
738 RTE_FDIR_IPTYPE_IPV4 = 0, /**< IPv4. */
739 RTE_FDIR_IPTYPE_IPV6 , /**< IPv6. */
743 * A structure used to define a FDIR packet filter.
745 struct rte_fdir_filter {
746 uint16_t flex_bytes; /**< Flex bytes value to match. */
747 uint16_t vlan_id; /**< VLAN ID value to match, 0 otherwise. */
748 uint16_t port_src; /**< Source port to match, 0 otherwise. */
749 uint16_t port_dst; /**< Destination port to match, 0 otherwise. */
751 uint32_t ipv4_addr; /**< IPv4 source address to match. */
752 uint32_t ipv6_addr[4]; /**< IPv6 source address to match. */
753 } ip_src; /**< IPv4/IPv6 source address to match (union of above). */
755 uint32_t ipv4_addr; /**< IPv4 destination address to match. */
756 uint32_t ipv6_addr[4]; /**< IPv6 destination address to match */
757 } ip_dst; /**< IPv4/IPv6 destination address to match (union of above). */
758 enum rte_l4type l4type; /**< l4type to match: NONE/UDP/TCP/SCTP. */
759 enum rte_iptype iptype; /**< IP packet type to match: IPv4 or IPv6. */
763 * A structure used to configure FDIR masks that are used by the device
764 * to match the various fields of RX packet headers.
765 * @note The only_ip_flow field has the opposite meaning compared to other
768 struct rte_fdir_masks {
769 /** When set to 1, packet l4type is \b NOT relevant in filters, and
770 source and destination port masks must be set to zero. */
771 uint8_t only_ip_flow;
772 /** If set to 1, vlan_id is relevant in filters. */
774 /** If set to 1, vlan_prio is relevant in filters. */
776 /** If set to 1, flexbytes is relevant in filters. */
778 /** If set to 1, set the IPv6 masks. Otherwise set the IPv4 masks. */
779 uint8_t set_ipv6_mask;
780 /** When set to 1, comparison of destination IPv6 address with IP6AT
781 registers is meaningful. */
782 uint8_t comp_ipv6_dst;
783 /** Mask of Destination IPv4 Address. All bits set to 1 define the
784 relevant bits to use in the destination address of an IPv4 packet
785 when matching it against FDIR filters. */
786 uint32_t dst_ipv4_mask;
787 /** Mask of Source IPv4 Address. All bits set to 1 define
788 the relevant bits to use in the source address of an IPv4 packet
789 when matching it against FDIR filters. */
790 uint32_t src_ipv4_mask;
791 /** Mask of Source IPv6 Address. All bits set to 1 define the
792 relevant BYTES to use in the source address of an IPv6 packet
793 when matching it against FDIR filters. */
794 uint16_t dst_ipv6_mask;
795 /** Mask of Destination IPv6 Address. All bits set to 1 define the
796 relevant BYTES to use in the destination address of an IPv6 packet
797 when matching it against FDIR filters. */
798 uint16_t src_ipv6_mask;
799 /** Mask of Source Port. All bits set to 1 define the relevant
800 bits to use in the source port of an IP packets when matching it
801 against FDIR filters. */
802 uint16_t src_port_mask;
803 /** Mask of Destination Port. All bits set to 1 define the relevant
804 bits to use in the destination port of an IP packet when matching it
805 against FDIR filters. */
806 uint16_t dst_port_mask;
810 * A structure used to report the status of the flow director filters in use.
812 struct rte_eth_fdir {
813 /** Number of filters with collision indication. */
815 /** Number of free (non programmed) filters. */
817 /** The Lookup hash value of the added filter that updated the value
818 of the MAXLEN field */
820 /** Longest linked list of filters in the table. */
822 /** Number of added filters. */
824 /** Number of removed filters. */
826 /** Number of failed added filters (no more space in device). */
828 /** Number of failed removed filters. */
833 * A structure used to enable/disable specific device interrupts.
835 struct rte_intr_conf {
836 /** enable/disable lsc interrupt. 0 (default) - disable, 1 enable */
841 * A structure used to configure an Ethernet port.
842 * Depending upon the RX multi-queue mode, extra advanced
843 * configuration settings may be needed.
845 struct rte_eth_conf {
847 /**< ETH_LINK_SPEED_10[0|00|000], or 0 for autonegotation */
848 uint16_t link_duplex;
849 /**< ETH_LINK_[HALF_DUPLEX|FULL_DUPLEX], or 0 for autonegotation */
850 struct rte_eth_rxmode rxmode; /**< Port RX configuration. */
851 struct rte_eth_txmode txmode; /**< Port TX configuration. */
852 uint32_t lpbk_mode; /**< Loopback operation mode. By default the value
853 is 0, meaning the loopback mode is disabled.
854 Read the datasheet of given ethernet controller
855 for details. The possible values of this field
856 are defined in implementation of each driver. */
858 struct rte_eth_rss_conf rss_conf; /**< Port RSS configuration */
859 struct rte_eth_vmdq_dcb_conf vmdq_dcb_conf;
860 /**< Port vmdq+dcb configuration. */
861 struct rte_eth_dcb_rx_conf dcb_rx_conf;
862 /**< Port dcb RX configuration. */
863 struct rte_eth_vmdq_rx_conf vmdq_rx_conf;
864 /**< Port vmdq RX configuration. */
865 } rx_adv_conf; /**< Port RX filtering configuration (union). */
867 struct rte_eth_vmdq_dcb_tx_conf vmdq_dcb_tx_conf;
868 /**< Port vmdq+dcb TX configuration. */
869 struct rte_eth_dcb_tx_conf dcb_tx_conf;
870 /**< Port dcb TX configuration. */
871 struct rte_eth_vmdq_tx_conf vmdq_tx_conf;
872 /**< Port vmdq TX configuration. */
873 } tx_adv_conf; /**< Port TX DCB configuration (union). */
874 /** Currently,Priority Flow Control(PFC) are supported,if DCB with PFC
875 is needed,and the variable must be set ETH_DCB_PFC_SUPPORT. */
876 uint32_t dcb_capability_en;
877 struct rte_fdir_conf fdir_conf; /**< FDIR configuration. */
878 struct rte_intr_conf intr_conf; /**< Interrupt mode configuration. */
882 * A structure used to retrieve the contextual information of
883 * an Ethernet device, such as the controlling driver of the device,
884 * its PCI context, etc...
888 * RX offload capabilities of a device.
890 #define DEV_RX_OFFLOAD_VLAN_STRIP 0x00000001
891 #define DEV_RX_OFFLOAD_IPV4_CKSUM 0x00000002
892 #define DEV_RX_OFFLOAD_UDP_CKSUM 0x00000004
893 #define DEV_RX_OFFLOAD_TCP_CKSUM 0x00000008
894 #define DEV_RX_OFFLOAD_TCP_LRO 0x00000010
895 #define DEV_RX_OFFLOAD_QINQ_STRIP 0x00000020
898 * TX offload capabilities of a device.
900 #define DEV_TX_OFFLOAD_VLAN_INSERT 0x00000001
901 #define DEV_TX_OFFLOAD_IPV4_CKSUM 0x00000002
902 #define DEV_TX_OFFLOAD_UDP_CKSUM 0x00000004
903 #define DEV_TX_OFFLOAD_TCP_CKSUM 0x00000008
904 #define DEV_TX_OFFLOAD_SCTP_CKSUM 0x00000010
905 #define DEV_TX_OFFLOAD_TCP_TSO 0x00000020
906 #define DEV_TX_OFFLOAD_UDP_TSO 0x00000040
907 #define DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM 0x00000080 /**< Used for tunneling packet. */
908 #define DEV_TX_OFFLOAD_QINQ_INSERT 0x00000100
910 struct rte_eth_dev_info {
911 struct rte_pci_device *pci_dev; /**< Device PCI information. */
912 const char *driver_name; /**< Device Driver name. */
913 unsigned int if_index; /**< Index to bound host interface, or 0 if none.
914 Use if_indextoname() to translate into an interface name. */
915 uint32_t min_rx_bufsize; /**< Minimum size of RX buffer. */
916 uint32_t max_rx_pktlen; /**< Maximum configurable length of RX pkt. */
917 uint16_t max_rx_queues; /**< Maximum number of RX queues. */
918 uint16_t max_tx_queues; /**< Maximum number of TX queues. */
919 uint32_t max_mac_addrs; /**< Maximum number of MAC addresses. */
920 uint32_t max_hash_mac_addrs;
921 /** Maximum number of hash MAC addresses for MTA and UTA. */
922 uint16_t max_vfs; /**< Maximum number of VFs. */
923 uint16_t max_vmdq_pools; /**< Maximum number of VMDq pools. */
924 uint32_t rx_offload_capa; /**< Device RX offload capabilities. */
925 uint32_t tx_offload_capa; /**< Device TX offload capabilities. */
927 /**< Device redirection table size, the total number of entries. */
928 uint8_t hash_key_size; /**< Hash key size in bytes */
929 /** Bit mask of RSS offloads, the bit offset also means flow type */
930 uint64_t flow_type_rss_offloads;
931 struct rte_eth_rxconf default_rxconf; /**< Default RX configuration */
932 struct rte_eth_txconf default_txconf; /**< Default TX configuration */
933 uint16_t vmdq_queue_base; /**< First queue ID for VMDQ pools. */
934 uint16_t vmdq_queue_num; /**< Queue number for VMDQ pools. */
935 uint16_t vmdq_pool_base; /**< First ID of VMDQ pools. */
938 /** Maximum name length for extended statistics counters */
939 #define RTE_ETH_XSTATS_NAME_SIZE 64
942 * An Ethernet device extended statistic structure
944 * This structure is used by ethdev->eth_xstats_get() to provide
945 * statistics that are not provided in the generic rte_eth_stats
948 struct rte_eth_xstats {
949 char name[RTE_ETH_XSTATS_NAME_SIZE];
955 struct rte_eth_dev_callback;
956 /** @internal Structure to keep track of registered callbacks */
957 TAILQ_HEAD(rte_eth_dev_cb_list, rte_eth_dev_callback);
960 * Definitions of all functions exported by an Ethernet driver through the
961 * the generic structure of type *eth_dev_ops* supplied in the *rte_eth_dev*
962 * structure associated with an Ethernet device.
965 typedef int (*eth_dev_configure_t)(struct rte_eth_dev *dev);
966 /**< @internal Ethernet device configuration. */
968 typedef int (*eth_dev_start_t)(struct rte_eth_dev *dev);
969 /**< @internal Function used to start a configured Ethernet device. */
971 typedef void (*eth_dev_stop_t)(struct rte_eth_dev *dev);
972 /**< @internal Function used to stop a configured Ethernet device. */
974 typedef int (*eth_dev_set_link_up_t)(struct rte_eth_dev *dev);
975 /**< @internal Function used to link up a configured Ethernet device. */
977 typedef int (*eth_dev_set_link_down_t)(struct rte_eth_dev *dev);
978 /**< @internal Function used to link down a configured Ethernet device. */
980 typedef void (*eth_dev_close_t)(struct rte_eth_dev *dev);
981 /**< @internal Function used to close a configured Ethernet device. */
983 typedef void (*eth_promiscuous_enable_t)(struct rte_eth_dev *dev);
984 /**< @internal Function used to enable the RX promiscuous mode of an Ethernet device. */
986 typedef void (*eth_promiscuous_disable_t)(struct rte_eth_dev *dev);
987 /**< @internal Function used to disable the RX promiscuous mode of an Ethernet device. */
989 typedef void (*eth_allmulticast_enable_t)(struct rte_eth_dev *dev);
990 /**< @internal Enable the receipt of all multicast packets by an Ethernet device. */
992 typedef void (*eth_allmulticast_disable_t)(struct rte_eth_dev *dev);
993 /**< @internal Disable the receipt of all multicast packets by an Ethernet device. */
995 typedef int (*eth_link_update_t)(struct rte_eth_dev *dev,
996 int wait_to_complete);
997 /**< @internal Get link speed, duplex mode and state (up/down) of an Ethernet device. */
999 typedef void (*eth_stats_get_t)(struct rte_eth_dev *dev,
1000 struct rte_eth_stats *igb_stats);
1001 /**< @internal Get global I/O statistics of an Ethernet device. */
1003 typedef void (*eth_stats_reset_t)(struct rte_eth_dev *dev);
1004 /**< @internal Reset global I/O statistics of an Ethernet device to 0. */
1006 typedef int (*eth_xstats_get_t)(struct rte_eth_dev *dev,
1007 struct rte_eth_xstats *stats, unsigned n);
1008 /**< @internal Get extended stats of an Ethernet device. */
1010 typedef void (*eth_xstats_reset_t)(struct rte_eth_dev *dev);
1011 /**< @internal Reset extended stats of an Ethernet device. */
1013 typedef int (*eth_queue_stats_mapping_set_t)(struct rte_eth_dev *dev,
1017 /**< @internal Set a queue statistics mapping for a tx/rx queue of an Ethernet device. */
1019 typedef void (*eth_dev_infos_get_t)(struct rte_eth_dev *dev,
1020 struct rte_eth_dev_info *dev_info);
1021 /**< @internal Get specific informations of an Ethernet device. */
1023 typedef int (*eth_queue_start_t)(struct rte_eth_dev *dev,
1025 /**< @internal Start rx and tx of a queue of an Ethernet device. */
1027 typedef int (*eth_queue_stop_t)(struct rte_eth_dev *dev,
1029 /**< @internal Stop rx and tx of a queue of an Ethernet device. */
1031 typedef int (*eth_rx_queue_setup_t)(struct rte_eth_dev *dev,
1032 uint16_t rx_queue_id,
1033 uint16_t nb_rx_desc,
1034 unsigned int socket_id,
1035 const struct rte_eth_rxconf *rx_conf,
1036 struct rte_mempool *mb_pool);
1037 /**< @internal Set up a receive queue of an Ethernet device. */
1039 typedef int (*eth_tx_queue_setup_t)(struct rte_eth_dev *dev,
1040 uint16_t tx_queue_id,
1041 uint16_t nb_tx_desc,
1042 unsigned int socket_id,
1043 const struct rte_eth_txconf *tx_conf);
1044 /**< @internal Setup a transmit queue of an Ethernet device. */
1046 typedef void (*eth_queue_release_t)(void *queue);
1047 /**< @internal Release memory resources allocated by given RX/TX queue. */
1049 typedef uint32_t (*eth_rx_queue_count_t)(struct rte_eth_dev *dev,
1050 uint16_t rx_queue_id);
1051 /**< @internal Get number of available descriptors on a receive queue of an Ethernet device. */
1053 typedef int (*eth_rx_descriptor_done_t)(void *rxq, uint16_t offset);
1054 /**< @internal Check DD bit of specific RX descriptor */
1056 typedef int (*mtu_set_t)(struct rte_eth_dev *dev, uint16_t mtu);
1057 /**< @internal Set MTU. */
1059 typedef int (*vlan_filter_set_t)(struct rte_eth_dev *dev,
1062 /**< @internal filtering of a VLAN Tag Identifier by an Ethernet device. */
1064 typedef void (*vlan_tpid_set_t)(struct rte_eth_dev *dev,
1066 /**< @internal set the outer VLAN-TPID by an Ethernet device. */
1068 typedef void (*vlan_offload_set_t)(struct rte_eth_dev *dev, int mask);
1069 /**< @internal set VLAN offload function by an Ethernet device. */
1071 typedef int (*vlan_pvid_set_t)(struct rte_eth_dev *dev,
1074 /**< @internal set port based TX VLAN insertion by an Ethernet device. */
1076 typedef void (*vlan_strip_queue_set_t)(struct rte_eth_dev *dev,
1077 uint16_t rx_queue_id,
1079 /**< @internal VLAN stripping enable/disable by an queue of Ethernet device. */
1081 typedef uint16_t (*eth_rx_burst_t)(void *rxq,
1082 struct rte_mbuf **rx_pkts,
1084 /**< @internal Retrieve input packets from a receive queue of an Ethernet device. */
1086 typedef uint16_t (*eth_tx_burst_t)(void *txq,
1087 struct rte_mbuf **tx_pkts,
1089 /**< @internal Send output packets on a transmit queue of an Ethernet device. */
1091 typedef int (*fdir_add_signature_filter_t)(struct rte_eth_dev *dev,
1092 struct rte_fdir_filter *fdir_ftr,
1094 /**< @internal Setup a new signature filter rule on an Ethernet device */
1096 typedef int (*fdir_update_signature_filter_t)(struct rte_eth_dev *dev,
1097 struct rte_fdir_filter *fdir_ftr,
1099 /**< @internal Update a signature filter rule on an Ethernet device */
1101 typedef int (*fdir_remove_signature_filter_t)(struct rte_eth_dev *dev,
1102 struct rte_fdir_filter *fdir_ftr);
1103 /**< @internal Remove a signature filter rule on an Ethernet device */
1105 typedef void (*fdir_infos_get_t)(struct rte_eth_dev *dev,
1106 struct rte_eth_fdir *fdir);
1107 /**< @internal Get information about fdir status */
1109 typedef int (*fdir_add_perfect_filter_t)(struct rte_eth_dev *dev,
1110 struct rte_fdir_filter *fdir_ftr,
1111 uint16_t soft_id, uint8_t rx_queue,
1113 /**< @internal Setup a new perfect filter rule on an Ethernet device */
1115 typedef int (*fdir_update_perfect_filter_t)(struct rte_eth_dev *dev,
1116 struct rte_fdir_filter *fdir_ftr,
1117 uint16_t soft_id, uint8_t rx_queue,
1119 /**< @internal Update a perfect filter rule on an Ethernet device */
1121 typedef int (*fdir_remove_perfect_filter_t)(struct rte_eth_dev *dev,
1122 struct rte_fdir_filter *fdir_ftr,
1124 /**< @internal Remove a perfect filter rule on an Ethernet device */
1126 typedef int (*fdir_set_masks_t)(struct rte_eth_dev *dev,
1127 struct rte_fdir_masks *fdir_masks);
1128 /**< @internal Setup flow director masks on an Ethernet device */
1130 typedef int (*flow_ctrl_get_t)(struct rte_eth_dev *dev,
1131 struct rte_eth_fc_conf *fc_conf);
1132 /**< @internal Get current flow control parameter on an Ethernet device */
1134 typedef int (*flow_ctrl_set_t)(struct rte_eth_dev *dev,
1135 struct rte_eth_fc_conf *fc_conf);
1136 /**< @internal Setup flow control parameter on an Ethernet device */
1138 typedef int (*priority_flow_ctrl_set_t)(struct rte_eth_dev *dev,
1139 struct rte_eth_pfc_conf *pfc_conf);
1140 /**< @internal Setup priority flow control parameter on an Ethernet device */
1142 typedef int (*reta_update_t)(struct rte_eth_dev *dev,
1143 struct rte_eth_rss_reta_entry64 *reta_conf,
1144 uint16_t reta_size);
1145 /**< @internal Update RSS redirection table on an Ethernet device */
1147 typedef int (*reta_query_t)(struct rte_eth_dev *dev,
1148 struct rte_eth_rss_reta_entry64 *reta_conf,
1149 uint16_t reta_size);
1150 /**< @internal Query RSS redirection table on an Ethernet device */
1152 typedef int (*rss_hash_update_t)(struct rte_eth_dev *dev,
1153 struct rte_eth_rss_conf *rss_conf);
1154 /**< @internal Update RSS hash configuration of an Ethernet device */
1156 typedef int (*rss_hash_conf_get_t)(struct rte_eth_dev *dev,
1157 struct rte_eth_rss_conf *rss_conf);
1158 /**< @internal Get current RSS hash configuration of an Ethernet device */
1160 typedef int (*eth_dev_led_on_t)(struct rte_eth_dev *dev);
1161 /**< @internal Turn on SW controllable LED on an Ethernet device */
1163 typedef int (*eth_dev_led_off_t)(struct rte_eth_dev *dev);
1164 /**< @internal Turn off SW controllable LED on an Ethernet device */
1166 typedef void (*eth_mac_addr_remove_t)(struct rte_eth_dev *dev, uint32_t index);
1167 /**< @internal Remove MAC address from receive address register */
1169 typedef void (*eth_mac_addr_add_t)(struct rte_eth_dev *dev,
1170 struct ether_addr *mac_addr,
1173 /**< @internal Set a MAC address into Receive Address Address Register */
1175 typedef void (*eth_mac_addr_set_t)(struct rte_eth_dev *dev,
1176 struct ether_addr *mac_addr);
1177 /**< @internal Set a MAC address into Receive Address Address Register */
1179 typedef int (*eth_uc_hash_table_set_t)(struct rte_eth_dev *dev,
1180 struct ether_addr *mac_addr,
1182 /**< @internal Set a Unicast Hash bitmap */
1184 typedef int (*eth_uc_all_hash_table_set_t)(struct rte_eth_dev *dev,
1186 /**< @internal Set all Unicast Hash bitmap */
1188 typedef int (*eth_set_vf_rx_mode_t)(struct rte_eth_dev *dev,
1192 /**< @internal Set a VF receive mode */
1194 typedef int (*eth_set_vf_rx_t)(struct rte_eth_dev *dev,
1197 /**< @internal Set a VF receive mode */
1199 typedef int (*eth_set_vf_tx_t)(struct rte_eth_dev *dev,
1202 /**< @internal Enable or disable a VF transmit */
1204 typedef int (*eth_set_vf_vlan_filter_t)(struct rte_eth_dev *dev,
1208 /**< @internal Set VF VLAN pool filter */
1210 typedef int (*eth_set_queue_rate_limit_t)(struct rte_eth_dev *dev,
1213 /**< @internal Set queue TX rate */
1215 typedef int (*eth_set_vf_rate_limit_t)(struct rte_eth_dev *dev,
1219 /**< @internal Set VF TX rate */
1221 typedef int (*eth_mirror_rule_set_t)(struct rte_eth_dev *dev,
1222 struct rte_eth_mirror_conf *mirror_conf,
1225 /**< @internal Add a traffic mirroring rule on an Ethernet device */
1227 typedef int (*eth_mirror_rule_reset_t)(struct rte_eth_dev *dev,
1229 /**< @internal Remove a traffic mirroring rule on an Ethernet device */
1231 typedef int (*eth_udp_tunnel_add_t)(struct rte_eth_dev *dev,
1232 struct rte_eth_udp_tunnel *tunnel_udp);
1233 /**< @internal Add tunneling UDP info */
1235 typedef int (*eth_udp_tunnel_del_t)(struct rte_eth_dev *dev,
1236 struct rte_eth_udp_tunnel *tunnel_udp);
1237 /**< @internal Delete tunneling UDP info */
1239 typedef int (*eth_set_mc_addr_list_t)(struct rte_eth_dev *dev,
1240 struct ether_addr *mc_addr_set,
1241 uint32_t nb_mc_addr);
1242 /**< @internal set the list of multicast addresses on an Ethernet device */
1244 typedef int (*eth_timesync_enable_t)(struct rte_eth_dev *dev);
1245 /**< @internal Function used to enable IEEE1588/802.1AS timestamping. */
1247 typedef int (*eth_timesync_disable_t)(struct rte_eth_dev *dev);
1248 /**< @internal Function used to disable IEEE1588/802.1AS timestamping. */
1250 typedef int (*eth_timesync_read_rx_timestamp_t)(struct rte_eth_dev *dev,
1251 struct timespec *timestamp,
1253 /**< @internal Function used to read an RX IEEE1588/802.1AS timestamp. */
1255 typedef int (*eth_timesync_read_tx_timestamp_t)(struct rte_eth_dev *dev,
1256 struct timespec *timestamp);
1257 /**< @internal Function used to read a TX IEEE1588/802.1AS timestamp. */
1259 typedef int (*eth_get_reg_length_t)(struct rte_eth_dev *dev);
1260 /**< @internal Retrieve device register count */
1262 typedef int (*eth_get_reg_t)(struct rte_eth_dev *dev,
1263 struct rte_dev_reg_info *info);
1264 /**< @internal Retrieve registers */
1266 typedef int (*eth_get_eeprom_length_t)(struct rte_eth_dev *dev);
1267 /**< @internal Retrieve eeprom size */
1269 typedef int (*eth_get_eeprom_t)(struct rte_eth_dev *dev,
1270 struct rte_dev_eeprom_info *info);
1271 /**< @internal Retrieve eeprom data */
1273 typedef int (*eth_set_eeprom_t)(struct rte_eth_dev *dev,
1274 struct rte_dev_eeprom_info *info);
1275 /**< @internal Program eeprom data */
1277 #ifdef RTE_NIC_BYPASS
1280 RTE_BYPASS_MODE_NONE,
1281 RTE_BYPASS_MODE_NORMAL,
1282 RTE_BYPASS_MODE_BYPASS,
1283 RTE_BYPASS_MODE_ISOLATE,
1284 RTE_BYPASS_MODE_NUM,
1287 #define RTE_BYPASS_MODE_VALID(x) \
1288 ((x) > RTE_BYPASS_MODE_NONE && (x) < RTE_BYPASS_MODE_NUM)
1291 RTE_BYPASS_EVENT_NONE,
1292 RTE_BYPASS_EVENT_START,
1293 RTE_BYPASS_EVENT_OS_ON = RTE_BYPASS_EVENT_START,
1294 RTE_BYPASS_EVENT_POWER_ON,
1295 RTE_BYPASS_EVENT_OS_OFF,
1296 RTE_BYPASS_EVENT_POWER_OFF,
1297 RTE_BYPASS_EVENT_TIMEOUT,
1298 RTE_BYPASS_EVENT_NUM
1301 #define RTE_BYPASS_EVENT_VALID(x) \
1302 ((x) > RTE_BYPASS_EVENT_NONE && (x) < RTE_BYPASS_MODE_NUM)
1305 RTE_BYPASS_TMT_OFF, /* timeout disabled. */
1306 RTE_BYPASS_TMT_1_5_SEC, /* timeout for 1.5 seconds */
1307 RTE_BYPASS_TMT_2_SEC, /* timeout for 2 seconds */
1308 RTE_BYPASS_TMT_3_SEC, /* timeout for 3 seconds */
1309 RTE_BYPASS_TMT_4_SEC, /* timeout for 4 seconds */
1310 RTE_BYPASS_TMT_8_SEC, /* timeout for 8 seconds */
1311 RTE_BYPASS_TMT_16_SEC, /* timeout for 16 seconds */
1312 RTE_BYPASS_TMT_32_SEC, /* timeout for 32 seconds */
1316 #define RTE_BYPASS_TMT_VALID(x) \
1317 ((x) == RTE_BYPASS_TMT_OFF || \
1318 ((x) > RTE_BYPASS_TMT_OFF && (x) < RTE_BYPASS_TMT_NUM))
1320 typedef void (*bypass_init_t)(struct rte_eth_dev *dev);
1321 typedef int32_t (*bypass_state_set_t)(struct rte_eth_dev *dev, uint32_t *new_state);
1322 typedef int32_t (*bypass_state_show_t)(struct rte_eth_dev *dev, uint32_t *state);
1323 typedef int32_t (*bypass_event_set_t)(struct rte_eth_dev *dev, uint32_t state, uint32_t event);
1324 typedef int32_t (*bypass_event_show_t)(struct rte_eth_dev *dev, uint32_t event_shift, uint32_t *event);
1325 typedef int32_t (*bypass_wd_timeout_set_t)(struct rte_eth_dev *dev, uint32_t timeout);
1326 typedef int32_t (*bypass_wd_timeout_show_t)(struct rte_eth_dev *dev, uint32_t *wd_timeout);
1327 typedef int32_t (*bypass_ver_show_t)(struct rte_eth_dev *dev, uint32_t *ver);
1328 typedef int32_t (*bypass_wd_reset_t)(struct rte_eth_dev *dev);
1331 typedef int (*eth_filter_ctrl_t)(struct rte_eth_dev *dev,
1332 enum rte_filter_type filter_type,
1333 enum rte_filter_op filter_op,
1335 /**< @internal Take operations to assigned filter type on an Ethernet device */
1338 * @internal A structure containing the functions exported by an Ethernet driver.
1340 struct eth_dev_ops {
1341 eth_dev_configure_t dev_configure; /**< Configure device. */
1342 eth_dev_start_t dev_start; /**< Start device. */
1343 eth_dev_stop_t dev_stop; /**< Stop device. */
1344 eth_dev_set_link_up_t dev_set_link_up; /**< Device link up. */
1345 eth_dev_set_link_down_t dev_set_link_down; /**< Device link down. */
1346 eth_dev_close_t dev_close; /**< Close device. */
1347 eth_promiscuous_enable_t promiscuous_enable; /**< Promiscuous ON. */
1348 eth_promiscuous_disable_t promiscuous_disable;/**< Promiscuous OFF. */
1349 eth_allmulticast_enable_t allmulticast_enable;/**< RX multicast ON. */
1350 eth_allmulticast_disable_t allmulticast_disable;/**< RX multicast OF. */
1351 eth_link_update_t link_update; /**< Get device link state. */
1352 eth_stats_get_t stats_get; /**< Get generic device statistics. */
1353 eth_stats_reset_t stats_reset; /**< Reset generic device statistics. */
1354 eth_xstats_get_t xstats_get; /**< Get extended device statistics. */
1355 eth_xstats_reset_t xstats_reset; /**< Reset extended device statistics. */
1356 eth_queue_stats_mapping_set_t queue_stats_mapping_set;
1357 /**< Configure per queue stat counter mapping. */
1358 eth_dev_infos_get_t dev_infos_get; /**< Get device info. */
1359 mtu_set_t mtu_set; /**< Set MTU. */
1360 vlan_filter_set_t vlan_filter_set; /**< Filter VLAN Setup. */
1361 vlan_tpid_set_t vlan_tpid_set; /**< Outer VLAN TPID Setup. */
1362 vlan_strip_queue_set_t vlan_strip_queue_set; /**< VLAN Stripping on queue. */
1363 vlan_offload_set_t vlan_offload_set; /**< Set VLAN Offload. */
1364 vlan_pvid_set_t vlan_pvid_set; /**< Set port based TX VLAN insertion */
1365 eth_queue_start_t rx_queue_start;/**< Start RX for a queue.*/
1366 eth_queue_stop_t rx_queue_stop;/**< Stop RX for a queue.*/
1367 eth_queue_start_t tx_queue_start;/**< Start TX for a queue.*/
1368 eth_queue_stop_t tx_queue_stop;/**< Stop TX for a queue.*/
1369 eth_rx_queue_setup_t rx_queue_setup;/**< Set up device RX queue.*/
1370 eth_queue_release_t rx_queue_release;/**< Release RX queue.*/
1371 eth_rx_queue_count_t rx_queue_count; /**< Get Rx queue count. */
1372 eth_rx_descriptor_done_t rx_descriptor_done; /**< Check rxd DD bit */
1373 eth_tx_queue_setup_t tx_queue_setup;/**< Set up device TX queue.*/
1374 eth_queue_release_t tx_queue_release;/**< Release TX queue.*/
1375 eth_dev_led_on_t dev_led_on; /**< Turn on LED. */
1376 eth_dev_led_off_t dev_led_off; /**< Turn off LED. */
1377 flow_ctrl_get_t flow_ctrl_get; /**< Get flow control. */
1378 flow_ctrl_set_t flow_ctrl_set; /**< Setup flow control. */
1379 priority_flow_ctrl_set_t priority_flow_ctrl_set; /**< Setup priority flow control.*/
1380 eth_mac_addr_remove_t mac_addr_remove; /**< Remove MAC address */
1381 eth_mac_addr_add_t mac_addr_add; /**< Add a MAC address */
1382 eth_mac_addr_set_t mac_addr_set; /**< Set a MAC address */
1383 eth_uc_hash_table_set_t uc_hash_table_set; /**< Set Unicast Table Array */
1384 eth_uc_all_hash_table_set_t uc_all_hash_table_set; /**< Set Unicast hash bitmap */
1385 eth_mirror_rule_set_t mirror_rule_set; /**< Add a traffic mirror rule.*/
1386 eth_mirror_rule_reset_t mirror_rule_reset; /**< reset a traffic mirror rule.*/
1387 eth_set_vf_rx_mode_t set_vf_rx_mode; /**< Set VF RX mode */
1388 eth_set_vf_rx_t set_vf_rx; /**< enable/disable a VF receive */
1389 eth_set_vf_tx_t set_vf_tx; /**< enable/disable a VF transmit */
1390 eth_set_vf_vlan_filter_t set_vf_vlan_filter; /**< Set VF VLAN filter */
1391 eth_udp_tunnel_add_t udp_tunnel_add;
1392 eth_udp_tunnel_del_t udp_tunnel_del;
1393 eth_set_queue_rate_limit_t set_queue_rate_limit; /**< Set queue rate limit */
1394 eth_set_vf_rate_limit_t set_vf_rate_limit; /**< Set VF rate limit */
1396 /** Add a signature filter. */
1397 fdir_add_signature_filter_t fdir_add_signature_filter;
1398 /** Update a signature filter. */
1399 fdir_update_signature_filter_t fdir_update_signature_filter;
1400 /** Remove a signature filter. */
1401 fdir_remove_signature_filter_t fdir_remove_signature_filter;
1402 /** Get information about FDIR status. */
1403 fdir_infos_get_t fdir_infos_get;
1404 /** Add a perfect filter. */
1405 fdir_add_perfect_filter_t fdir_add_perfect_filter;
1406 /** Update a perfect filter. */
1407 fdir_update_perfect_filter_t fdir_update_perfect_filter;
1408 /** Remove a perfect filter. */
1409 fdir_remove_perfect_filter_t fdir_remove_perfect_filter;
1410 /** Setup masks for FDIR filtering. */
1411 fdir_set_masks_t fdir_set_masks;
1412 /** Update redirection table. */
1413 reta_update_t reta_update;
1414 /** Query redirection table. */
1415 reta_query_t reta_query;
1417 eth_get_reg_length_t get_reg_length;
1418 /**< Get # of registers */
1419 eth_get_reg_t get_reg;
1420 /**< Get registers */
1421 eth_get_eeprom_length_t get_eeprom_length;
1422 /**< Get eeprom length */
1423 eth_get_eeprom_t get_eeprom;
1424 /**< Get eeprom data */
1425 eth_set_eeprom_t set_eeprom;
1427 /* bypass control */
1428 #ifdef RTE_NIC_BYPASS
1429 bypass_init_t bypass_init;
1430 bypass_state_set_t bypass_state_set;
1431 bypass_state_show_t bypass_state_show;
1432 bypass_event_set_t bypass_event_set;
1433 bypass_event_show_t bypass_event_show;
1434 bypass_wd_timeout_set_t bypass_wd_timeout_set;
1435 bypass_wd_timeout_show_t bypass_wd_timeout_show;
1436 bypass_ver_show_t bypass_ver_show;
1437 bypass_wd_reset_t bypass_wd_reset;
1440 /** Configure RSS hash protocols. */
1441 rss_hash_update_t rss_hash_update;
1442 /** Get current RSS hash configuration. */
1443 rss_hash_conf_get_t rss_hash_conf_get;
1444 eth_filter_ctrl_t filter_ctrl; /**< common filter control*/
1445 eth_set_mc_addr_list_t set_mc_addr_list; /**< set list of mcast addrs */
1447 /** Turn IEEE1588/802.1AS timestamping on. */
1448 eth_timesync_enable_t timesync_enable;
1449 /** Turn IEEE1588/802.1AS timestamping off. */
1450 eth_timesync_disable_t timesync_disable;
1451 /** Read the IEEE1588/802.1AS RX timestamp. */
1452 eth_timesync_read_rx_timestamp_t timesync_read_rx_timestamp;
1453 /** Read the IEEE1588/802.1AS TX timestamp. */
1454 eth_timesync_read_tx_timestamp_t timesync_read_tx_timestamp;
1458 * Function type used for RX packet processing packet callbacks.
1460 * The callback function is called on RX with a burst of packets that have
1461 * been received on the given port and queue.
1464 * The Ethernet port on which RX is being performed.
1466 * The queue on the Ethernet port which is being used to receive the packets.
1468 * The burst of packets that have just been received.
1470 * The number of packets in the burst pointed to by "pkts".
1472 * The max number of packets that can be stored in the "pkts" array.
1474 * The arbitrary user parameter passed in by the application when the callback
1475 * was originally configured.
1477 * The number of packets returned to the user.
1479 typedef uint16_t (*rte_rx_callback_fn)(uint8_t port, uint16_t queue,
1480 struct rte_mbuf *pkts[], uint16_t nb_pkts, uint16_t max_pkts,
1484 * Function type used for TX packet processing packet callbacks.
1486 * The callback function is called on TX with a burst of packets immediately
1487 * before the packets are put onto the hardware queue for transmission.
1490 * The Ethernet port on which TX is being performed.
1492 * The queue on the Ethernet port which is being used to transmit the packets.
1494 * The burst of packets that are about to be transmitted.
1496 * The number of packets in the burst pointed to by "pkts".
1498 * The arbitrary user parameter passed in by the application when the callback
1499 * was originally configured.
1501 * The number of packets to be written to the NIC.
1503 typedef uint16_t (*rte_tx_callback_fn)(uint8_t port, uint16_t queue,
1504 struct rte_mbuf *pkts[], uint16_t nb_pkts, void *user_param);
1508 * Structure used to hold information about the callbacks to be called for a
1509 * queue on RX and TX.
1511 struct rte_eth_rxtx_callback {
1512 struct rte_eth_rxtx_callback *next;
1514 rte_rx_callback_fn rx;
1515 rte_tx_callback_fn tx;
1521 * The eth device type.
1523 enum rte_eth_dev_type {
1524 RTE_ETH_DEV_UNKNOWN, /**< unknown device type */
1526 /**< Physical function and Virtual function of PCI devices */
1527 RTE_ETH_DEV_VIRTUAL, /**< non hardware device */
1528 RTE_ETH_DEV_MAX /**< max value of this enum */
1533 * The generic data structure associated with each ethernet device.
1535 * Pointers to burst-oriented packet receive and transmit functions are
1536 * located at the beginning of the structure, along with the pointer to
1537 * where all the data elements for the particular device are stored in shared
1538 * memory. This split allows the function pointer and driver data to be per-
1539 * process, while the actual configuration data for the device is shared.
1541 struct rte_eth_dev {
1542 eth_rx_burst_t rx_pkt_burst; /**< Pointer to PMD receive function. */
1543 eth_tx_burst_t tx_pkt_burst; /**< Pointer to PMD transmit function. */
1544 struct rte_eth_dev_data *data; /**< Pointer to device data */
1545 const struct eth_driver *driver;/**< Driver for this device */
1546 const struct eth_dev_ops *dev_ops; /**< Functions exported by PMD */
1547 struct rte_pci_device *pci_dev; /**< PCI info. supplied by probing */
1548 /** User application callbacks for NIC interrupts */
1549 struct rte_eth_dev_cb_list link_intr_cbs;
1551 * User-supplied functions called from rx_burst to post-process
1552 * received packets before passing them to the user
1554 struct rte_eth_rxtx_callback *post_rx_burst_cbs[RTE_MAX_QUEUES_PER_PORT];
1556 * User-supplied functions called from tx_burst to pre-process
1557 * received packets before passing them to the driver for transmission.
1559 struct rte_eth_rxtx_callback *pre_tx_burst_cbs[RTE_MAX_QUEUES_PER_PORT];
1560 uint8_t attached; /**< Flag indicating the port is attached */
1561 enum rte_eth_dev_type dev_type; /**< Flag indicating the device type */
1564 struct rte_eth_dev_sriov {
1565 uint8_t active; /**< SRIOV is active with 16, 32 or 64 pools */
1566 uint8_t nb_q_per_pool; /**< rx queue number per pool */
1567 uint16_t def_vmdq_idx; /**< Default pool num used for PF */
1568 uint16_t def_pool_q_idx; /**< Default pool queue start reg index */
1570 #define RTE_ETH_DEV_SRIOV(dev) ((dev)->data->sriov)
1572 #define RTE_ETH_NAME_MAX_LEN (32)
1576 * The data part, with no function pointers, associated with each ethernet device.
1578 * This structure is safe to place in shared memory to be common among different
1579 * processes in a multi-process configuration.
1581 struct rte_eth_dev_data {
1582 char name[RTE_ETH_NAME_MAX_LEN]; /**< Unique identifier name */
1584 void **rx_queues; /**< Array of pointers to RX queues. */
1585 void **tx_queues; /**< Array of pointers to TX queues. */
1586 uint16_t nb_rx_queues; /**< Number of RX queues. */
1587 uint16_t nb_tx_queues; /**< Number of TX queues. */
1589 struct rte_eth_dev_sriov sriov; /**< SRIOV data */
1591 void *dev_private; /**< PMD-specific private data */
1593 struct rte_eth_link dev_link;
1594 /**< Link-level information & status */
1596 struct rte_eth_conf dev_conf; /**< Configuration applied to device. */
1597 uint16_t mtu; /**< Maximum Transmission Unit. */
1599 uint32_t min_rx_buf_size;
1600 /**< Common rx buffer size handled by all queues */
1602 uint64_t rx_mbuf_alloc_failed; /**< RX ring mbuf allocation failures. */
1603 struct ether_addr* mac_addrs;/**< Device Ethernet Link address. */
1604 uint64_t mac_pool_sel[ETH_NUM_RECEIVE_MAC_ADDR];
1605 /** bitmap array of associating Ethernet MAC addresses to pools */
1606 struct ether_addr* hash_mac_addrs;
1607 /** Device Ethernet MAC addresses of hash filtering. */
1608 uint8_t port_id; /**< Device [external] port identifier. */
1609 uint8_t promiscuous : 1, /**< RX promiscuous mode ON(1) / OFF(0). */
1610 scattered_rx : 1, /**< RX of scattered packets is ON(1) / OFF(0) */
1611 lro : 1, /**< RX LRO is ON(1) / OFF(0) */
1612 all_multicast : 1, /**< RX all multicast mode ON(1) / OFF(0). */
1613 dev_started : 1; /**< Device state: STARTED(1) / STOPPED(0). */
1618 * The pool of *rte_eth_dev* structures. The size of the pool
1619 * is configured at compile-time in the <rte_ethdev.c> file.
1621 extern struct rte_eth_dev rte_eth_devices[];
1624 * Get the total number of Ethernet devices that have been successfully
1625 * initialized by the [matching] Ethernet driver during the PCI probing phase.
1626 * All devices whose port identifier is in the range
1627 * [0, rte_eth_dev_count() - 1] can be operated on by network applications
1628 * immediately after invoking rte_eal_init().
1629 * If the application unplugs a port using hotplug function, The enabled port
1630 * numbers may be noncontiguous. In the case, the applications need to manage
1631 * enabled port by themselves.
1634 * - The total number of usable Ethernet devices.
1636 extern uint8_t rte_eth_dev_count(void);
1639 * Function for internal use by port hotplug functions.
1640 * Returns a ethdev slot specified by the unique identifier name.
1642 * The pointer to the Unique identifier name for each Ethernet device
1644 * - The pointer to the ethdev slot, on success. NULL on error
1646 extern struct rte_eth_dev *rte_eth_dev_allocated(const char *name);
1649 * Function for internal use by dummy drivers primarily, e.g. ring-based
1651 * Allocates a new ethdev slot for an ethernet device and returns the pointer
1652 * to that slot for the driver to use.
1654 * @param name Unique identifier name for each Ethernet device
1655 * @param type Device type of this Ethernet device
1657 * - Slot in the rte_dev_devices array for a new device;
1659 struct rte_eth_dev *rte_eth_dev_allocate(const char *name,
1660 enum rte_eth_dev_type type);
1663 * Function for internal use by dummy drivers primarily, e.g. ring-based
1665 * Release the specified ethdev port.
1668 * The *eth_dev* pointer is the address of the *rte_eth_dev* structure.
1670 * - 0 on success, negative on error
1672 int rte_eth_dev_release_port(struct rte_eth_dev *eth_dev);
1675 * Attach a new Ethernet device specified by aruguments.
1678 * A pointer to a strings array describing the new device
1679 * to be attached. The strings should be a pci address like
1680 * '0000:01:00.0' or virtual device name like 'eth_pcap0'.
1682 * A pointer to a port identifier actually attached.
1684 * 0 on success and port_id is filled, negative on error
1686 int rte_eth_dev_attach(const char *devargs, uint8_t *port_id);
1689 * Detach a Ethernet device specified by port identifier.
1690 * This function must be called when the device is in the
1694 * The port identifier of the device to detach.
1696 * A pointer to a device name actually detached.
1698 * 0 on success and devname is filled, negative on error
1700 int rte_eth_dev_detach(uint8_t port_id, char *devname);
1705 * Initialization function of an Ethernet driver invoked for each matching
1706 * Ethernet PCI device detected during the PCI probing phase.
1709 * The *eth_dev* pointer is the address of the *rte_eth_dev* structure
1710 * associated with the matching device and which have been [automatically]
1711 * allocated in the *rte_eth_devices* array.
1712 * The *eth_dev* structure is supplied to the driver initialization function
1713 * with the following fields already initialized:
1715 * - *pci_dev*: Holds the pointers to the *rte_pci_device* structure which
1716 * contains the generic PCI information of the matching device.
1718 * - *driver*: Holds the pointer to the *eth_driver* structure.
1720 * - *dev_private*: Holds a pointer to the device private data structure.
1722 * - *mtu*: Contains the default Ethernet maximum frame length (1500).
1724 * - *port_id*: Contains the port index of the device (actually the index
1725 * of the *eth_dev* structure in the *rte_eth_devices* array).
1728 * - 0: Success, the device is properly initialized by the driver.
1729 * In particular, the driver MUST have set up the *dev_ops* pointer
1730 * of the *eth_dev* structure.
1731 * - <0: Error code of the device initialization failure.
1733 typedef int (*eth_dev_init_t)(struct rte_eth_dev *eth_dev);
1737 * Finalization function of an Ethernet driver invoked for each matching
1738 * Ethernet PCI device detected during the PCI closing phase.
1741 * The *eth_dev* pointer is the address of the *rte_eth_dev* structure
1742 * associated with the matching device and which have been [automatically]
1743 * allocated in the *rte_eth_devices* array.
1745 * - 0: Success, the device is properly finalized by the driver.
1746 * In particular, the driver MUST free the *dev_ops* pointer
1747 * of the *eth_dev* structure.
1748 * - <0: Error code of the device initialization failure.
1750 typedef int (*eth_dev_uninit_t)(struct rte_eth_dev *eth_dev);
1754 * The structure associated with a PMD Ethernet driver.
1756 * Each Ethernet driver acts as a PCI driver and is represented by a generic
1757 * *eth_driver* structure that holds:
1759 * - An *rte_pci_driver* structure (which must be the first field).
1761 * - The *eth_dev_init* function invoked for each matching PCI device.
1763 * - The *eth_dev_uninit* function invoked for each matching PCI device.
1765 * - The size of the private data to allocate for each matching device.
1768 struct rte_pci_driver pci_drv; /**< The PMD is also a PCI driver. */
1769 eth_dev_init_t eth_dev_init; /**< Device init function. */
1770 eth_dev_uninit_t eth_dev_uninit; /**< Device uninit function. */
1771 unsigned int dev_private_size; /**< Size of device private data. */
1776 * A function invoked by the initialization function of an Ethernet driver
1777 * to simultaneously register itself as a PCI driver and as an Ethernet
1778 * Poll Mode Driver (PMD).
1781 * The pointer to the *eth_driver* structure associated with
1782 * the Ethernet driver.
1784 extern void rte_eth_driver_register(struct eth_driver *eth_drv);
1787 * Configure an Ethernet device.
1788 * This function must be invoked first before any other function in the
1789 * Ethernet API. This function can also be re-invoked when a device is in the
1793 * The port identifier of the Ethernet device to configure.
1794 * @param nb_rx_queue
1795 * The number of receive queues to set up for the Ethernet device.
1796 * @param nb_tx_queue
1797 * The number of transmit queues to set up for the Ethernet device.
1799 * The pointer to the configuration data to be used for the Ethernet device.
1800 * The *rte_eth_conf* structure includes:
1801 * - the hardware offload features to activate, with dedicated fields for
1802 * each statically configurable offload hardware feature provided by
1803 * Ethernet devices, such as IP checksum or VLAN tag stripping for
1805 * - the Receive Side Scaling (RSS) configuration when using multiple RX
1808 * Embedding all configuration information in a single data structure
1809 * is the more flexible method that allows the addition of new features
1810 * without changing the syntax of the API.
1812 * - 0: Success, device configured.
1813 * - <0: Error code returned by the driver configuration function.
1815 extern int rte_eth_dev_configure(uint8_t port_id,
1816 uint16_t nb_rx_queue,
1817 uint16_t nb_tx_queue,
1818 const struct rte_eth_conf *eth_conf);
1821 * Allocate and set up a receive queue for an Ethernet device.
1823 * The function allocates a contiguous block of memory for *nb_rx_desc*
1824 * receive descriptors from a memory zone associated with *socket_id*
1825 * and initializes each receive descriptor with a network buffer allocated
1826 * from the memory pool *mb_pool*.
1829 * The port identifier of the Ethernet device.
1830 * @param rx_queue_id
1831 * The index of the receive queue to set up.
1832 * The value must be in the range [0, nb_rx_queue - 1] previously supplied
1833 * to rte_eth_dev_configure().
1835 * The number of receive descriptors to allocate for the receive ring.
1837 * The *socket_id* argument is the socket identifier in case of NUMA.
1838 * The value can be *SOCKET_ID_ANY* if there is no NUMA constraint for
1839 * the DMA memory allocated for the receive descriptors of the ring.
1841 * The pointer to the configuration data to be used for the receive queue.
1842 * NULL value is allowed, in which case default RX configuration
1844 * The *rx_conf* structure contains an *rx_thresh* structure with the values
1845 * of the Prefetch, Host, and Write-Back threshold registers of the receive
1848 * The pointer to the memory pool from which to allocate *rte_mbuf* network
1849 * memory buffers to populate each descriptor of the receive ring.
1851 * - 0: Success, receive queue correctly set up.
1852 * - -EINVAL: The size of network buffers which can be allocated from the
1853 * memory pool does not fit the various buffer sizes allowed by the
1854 * device controller.
1855 * - -ENOMEM: Unable to allocate the receive ring descriptors or to
1856 * allocate network memory buffers from the memory pool when
1857 * initializing receive descriptors.
1859 extern int rte_eth_rx_queue_setup(uint8_t port_id, uint16_t rx_queue_id,
1860 uint16_t nb_rx_desc, unsigned int socket_id,
1861 const struct rte_eth_rxconf *rx_conf,
1862 struct rte_mempool *mb_pool);
1865 * Allocate and set up a transmit queue for an Ethernet device.
1868 * The port identifier of the Ethernet device.
1869 * @param tx_queue_id
1870 * The index of the transmit queue to set up.
1871 * The value must be in the range [0, nb_tx_queue - 1] previously supplied
1872 * to rte_eth_dev_configure().
1874 * The number of transmit descriptors to allocate for the transmit ring.
1876 * The *socket_id* argument is the socket identifier in case of NUMA.
1877 * Its value can be *SOCKET_ID_ANY* if there is no NUMA constraint for
1878 * the DMA memory allocated for the transmit descriptors of the ring.
1880 * The pointer to the configuration data to be used for the transmit queue.
1881 * NULL value is allowed, in which case default RX configuration
1883 * The *tx_conf* structure contains the following data:
1884 * - The *tx_thresh* structure with the values of the Prefetch, Host, and
1885 * Write-Back threshold registers of the transmit ring.
1886 * When setting Write-Back threshold to the value greater then zero,
1887 * *tx_rs_thresh* value should be explicitly set to one.
1888 * - The *tx_free_thresh* value indicates the [minimum] number of network
1889 * buffers that must be pending in the transmit ring to trigger their
1890 * [implicit] freeing by the driver transmit function.
1891 * - The *tx_rs_thresh* value indicates the [minimum] number of transmit
1892 * descriptors that must be pending in the transmit ring before setting the
1893 * RS bit on a descriptor by the driver transmit function.
1894 * The *tx_rs_thresh* value should be less or equal then
1895 * *tx_free_thresh* value, and both of them should be less then
1897 * - The *txq_flags* member contains flags to pass to the TX queue setup
1898 * function to configure the behavior of the TX queue. This should be set
1899 * to 0 if no special configuration is required.
1901 * Note that setting *tx_free_thresh* or *tx_rs_thresh* value to 0 forces
1902 * the transmit function to use default values.
1904 * - 0: Success, the transmit queue is correctly set up.
1905 * - -ENOMEM: Unable to allocate the transmit ring descriptors.
1907 extern int rte_eth_tx_queue_setup(uint8_t port_id, uint16_t tx_queue_id,
1908 uint16_t nb_tx_desc, unsigned int socket_id,
1909 const struct rte_eth_txconf *tx_conf);
1912 * Return the NUMA socket to which an Ethernet device is connected
1915 * The port identifier of the Ethernet device
1917 * The NUMA socket id to which the Ethernet device is connected or
1918 * a default of zero if the socket could not be determined.
1919 * -1 is returned is the port_id value is out of range.
1921 extern int rte_eth_dev_socket_id(uint8_t port_id);
1924 * Allocate mbuf from mempool, setup the DMA physical address
1925 * and then start RX for specified queue of a port. It is used
1926 * when rx_deferred_start flag of the specified queue is true.
1929 * The port identifier of the Ethernet device
1930 * @param rx_queue_id
1931 * The index of the rx queue to update the ring.
1932 * The value must be in the range [0, nb_rx_queue - 1] previously supplied
1933 * to rte_eth_dev_configure().
1935 * - 0: Success, the transmit queue is correctly set up.
1936 * - -EINVAL: The port_id or the queue_id out of range.
1937 * - -ENOTSUP: The function not supported in PMD driver.
1939 extern int rte_eth_dev_rx_queue_start(uint8_t port_id, uint16_t rx_queue_id);
1942 * Stop specified RX queue of a port
1945 * The port identifier of the Ethernet device
1946 * @param rx_queue_id
1947 * The index of the rx queue to update the ring.
1948 * The value must be in the range [0, nb_rx_queue - 1] previously supplied
1949 * to rte_eth_dev_configure().
1951 * - 0: Success, the transmit queue is correctly set up.
1952 * - -EINVAL: The port_id or the queue_id out of range.
1953 * - -ENOTSUP: The function not supported in PMD driver.
1955 extern int rte_eth_dev_rx_queue_stop(uint8_t port_id, uint16_t rx_queue_id);
1958 * Start TX for specified queue of a port. It is used when tx_deferred_start
1959 * flag of the specified queue is true.
1962 * The port identifier of the Ethernet device
1963 * @param tx_queue_id
1964 * The index of the tx queue to update the ring.
1965 * The value must be in the range [0, nb_tx_queue - 1] previously supplied
1966 * to rte_eth_dev_configure().
1968 * - 0: Success, the transmit queue is correctly set up.
1969 * - -EINVAL: The port_id or the queue_id out of range.
1970 * - -ENOTSUP: The function not supported in PMD driver.
1972 extern int rte_eth_dev_tx_queue_start(uint8_t port_id, uint16_t tx_queue_id);
1975 * Stop specified TX queue of a port
1978 * The port identifier of the Ethernet device
1979 * @param tx_queue_id
1980 * The index of the tx queue to update the ring.
1981 * The value must be in the range [0, nb_tx_queue - 1] previously supplied
1982 * to rte_eth_dev_configure().
1984 * - 0: Success, the transmit queue is correctly set up.
1985 * - -EINVAL: The port_id or the queue_id out of range.
1986 * - -ENOTSUP: The function not supported in PMD driver.
1988 extern int rte_eth_dev_tx_queue_stop(uint8_t port_id, uint16_t tx_queue_id);
1993 * Start an Ethernet device.
1995 * The device start step is the last one and consists of setting the configured
1996 * offload features and in starting the transmit and the receive units of the
1998 * On success, all basic functions exported by the Ethernet API (link status,
1999 * receive/transmit, and so on) can be invoked.
2002 * The port identifier of the Ethernet device.
2004 * - 0: Success, Ethernet device started.
2005 * - <0: Error code of the driver device start function.
2007 extern int rte_eth_dev_start(uint8_t port_id);
2010 * Stop an Ethernet device. The device can be restarted with a call to
2011 * rte_eth_dev_start()
2014 * The port identifier of the Ethernet device.
2016 extern void rte_eth_dev_stop(uint8_t port_id);
2020 * Link up an Ethernet device.
2022 * Set device link up will re-enable the device rx/tx
2023 * functionality after it is previously set device linked down.
2026 * The port identifier of the Ethernet device.
2028 * - 0: Success, Ethernet device linked up.
2029 * - <0: Error code of the driver device link up function.
2031 extern int rte_eth_dev_set_link_up(uint8_t port_id);
2034 * Link down an Ethernet device.
2035 * The device rx/tx functionality will be disabled if success,
2036 * and it can be re-enabled with a call to
2037 * rte_eth_dev_set_link_up()
2040 * The port identifier of the Ethernet device.
2042 extern int rte_eth_dev_set_link_down(uint8_t port_id);
2045 * Close a stopped Ethernet device. The device cannot be restarted!
2046 * The function frees all resources except for needed by the
2047 * closed state. To free these resources, call rte_eth_dev_detach().
2050 * The port identifier of the Ethernet device.
2052 extern void rte_eth_dev_close(uint8_t port_id);
2055 * Enable receipt in promiscuous mode for an Ethernet device.
2058 * The port identifier of the Ethernet device.
2060 extern void rte_eth_promiscuous_enable(uint8_t port_id);
2063 * Disable receipt in promiscuous mode for an Ethernet device.
2066 * The port identifier of the Ethernet device.
2068 extern void rte_eth_promiscuous_disable(uint8_t port_id);
2071 * Return the value of promiscuous mode for an Ethernet device.
2074 * The port identifier of the Ethernet device.
2076 * - (1) if promiscuous is enabled
2077 * - (0) if promiscuous is disabled.
2080 extern int rte_eth_promiscuous_get(uint8_t port_id);
2083 * Enable the receipt of any multicast frame by an Ethernet device.
2086 * The port identifier of the Ethernet device.
2088 extern void rte_eth_allmulticast_enable(uint8_t port_id);
2091 * Disable the receipt of all multicast frames by an Ethernet device.
2094 * The port identifier of the Ethernet device.
2096 extern void rte_eth_allmulticast_disable(uint8_t port_id);
2099 * Return the value of allmulticast mode for an Ethernet device.
2102 * The port identifier of the Ethernet device.
2104 * - (1) if allmulticast is enabled
2105 * - (0) if allmulticast is disabled.
2108 extern int rte_eth_allmulticast_get(uint8_t port_id);
2111 * Retrieve the status (ON/OFF), the speed (in Mbps) and the mode (HALF-DUPLEX
2112 * or FULL-DUPLEX) of the physical link of an Ethernet device. It might need
2113 * to wait up to 9 seconds in it.
2116 * The port identifier of the Ethernet device.
2118 * A pointer to an *rte_eth_link* structure to be filled with
2119 * the status, the speed and the mode of the Ethernet device link.
2121 extern void rte_eth_link_get(uint8_t port_id, struct rte_eth_link *link);
2124 * Retrieve the status (ON/OFF), the speed (in Mbps) and the mode (HALF-DUPLEX
2125 * or FULL-DUPLEX) of the physical link of an Ethernet device. It is a no-wait
2126 * version of rte_eth_link_get().
2129 * The port identifier of the Ethernet device.
2131 * A pointer to an *rte_eth_link* structure to be filled with
2132 * the status, the speed and the mode of the Ethernet device link.
2134 extern void rte_eth_link_get_nowait(uint8_t port_id,
2135 struct rte_eth_link *link);
2138 * Retrieve the general I/O statistics of an Ethernet device.
2141 * The port identifier of the Ethernet device.
2143 * A pointer to a structure of type *rte_eth_stats* to be filled with
2144 * the values of device counters for the following set of statistics:
2145 * - *ipackets* with the total of successfully received packets.
2146 * - *opackets* with the total of successfully transmitted packets.
2147 * - *ibytes* with the total of successfully received bytes.
2148 * - *obytes* with the total of successfully transmitted bytes.
2149 * - *ierrors* with the total of erroneous received packets.
2150 * - *oerrors* with the total of failed transmitted packets.
2152 * Zero if successful. Non-zero otherwise.
2154 extern int rte_eth_stats_get(uint8_t port_id, struct rte_eth_stats *stats);
2157 * Reset the general I/O statistics of an Ethernet device.
2160 * The port identifier of the Ethernet device.
2162 extern void rte_eth_stats_reset(uint8_t port_id);
2165 * Retrieve extended statistics of an Ethernet device.
2168 * The port identifier of the Ethernet device.
2170 * A pointer to a table of structure of type *rte_eth_xstats*
2171 * to be filled with device statistics names and values.
2172 * This parameter can be set to NULL if n is 0.
2174 * The size of the stats table, which should be large enough to store
2175 * all the statistics of the device.
2177 * - positive value lower or equal to n: success. The return value
2178 * is the number of entries filled in the stats table.
2179 * - positive value higher than n: error, the given statistics table
2180 * is too small. The return value corresponds to the size that should
2181 * be given to succeed. The entries in the table are not valid and
2182 * shall not be used by the caller.
2183 * - negative value on error (invalid port id)
2185 extern int rte_eth_xstats_get(uint8_t port_id,
2186 struct rte_eth_xstats *xstats, unsigned n);
2189 * Reset extended statistics of an Ethernet device.
2192 * The port identifier of the Ethernet device.
2194 extern void rte_eth_xstats_reset(uint8_t port_id);
2197 * Set a mapping for the specified transmit queue to the specified per-queue
2198 * statistics counter.
2201 * The port identifier of the Ethernet device.
2202 * @param tx_queue_id
2203 * The index of the transmit queue for which a queue stats mapping is required.
2204 * The value must be in the range [0, nb_tx_queue - 1] previously supplied
2205 * to rte_eth_dev_configure().
2207 * The per-queue packet statistics functionality number that the transmit
2208 * queue is to be assigned.
2209 * The value must be in the range [0, RTE_MAX_ETHPORT_QUEUE_STATS_MAPS - 1].
2211 * Zero if successful. Non-zero otherwise.
2213 extern int rte_eth_dev_set_tx_queue_stats_mapping(uint8_t port_id,
2214 uint16_t tx_queue_id,
2218 * Set a mapping for the specified receive queue to the specified per-queue
2219 * statistics counter.
2222 * The port identifier of the Ethernet device.
2223 * @param rx_queue_id
2224 * The index of the receive queue for which a queue stats mapping is required.
2225 * The value must be in the range [0, nb_rx_queue - 1] previously supplied
2226 * to rte_eth_dev_configure().
2228 * The per-queue packet statistics functionality number that the receive
2229 * queue is to be assigned.
2230 * The value must be in the range [0, RTE_MAX_ETHPORT_QUEUE_STATS_MAPS - 1].
2232 * Zero if successful. Non-zero otherwise.
2234 extern int rte_eth_dev_set_rx_queue_stats_mapping(uint8_t port_id,
2235 uint16_t rx_queue_id,
2239 * Retrieve the Ethernet address of an Ethernet device.
2242 * The port identifier of the Ethernet device.
2244 * A pointer to a structure of type *ether_addr* to be filled with
2245 * the Ethernet address of the Ethernet device.
2247 extern void rte_eth_macaddr_get(uint8_t port_id, struct ether_addr *mac_addr);
2250 * Retrieve the contextual information of an Ethernet device.
2253 * The port identifier of the Ethernet device.
2255 * A pointer to a structure of type *rte_eth_dev_info* to be filled with
2256 * the contextual information of the Ethernet device.
2258 extern void rte_eth_dev_info_get(uint8_t port_id,
2259 struct rte_eth_dev_info *dev_info);
2262 * Retrieve the MTU of an Ethernet device.
2265 * The port identifier of the Ethernet device.
2267 * A pointer to a uint16_t where the retrieved MTU is to be stored.
2269 * - (0) if successful.
2270 * - (-ENODEV) if *port_id* invalid.
2272 extern int rte_eth_dev_get_mtu(uint8_t port_id, uint16_t *mtu);
2275 * Change the MTU of an Ethernet device.
2278 * The port identifier of the Ethernet device.
2280 * A uint16_t for the MTU to be applied.
2282 * - (0) if successful.
2283 * - (-ENOTSUP) if operation is not supported.
2284 * - (-ENODEV) if *port_id* invalid.
2285 * - (-EINVAL) if *mtu* invalid.
2287 extern int rte_eth_dev_set_mtu(uint8_t port_id, uint16_t mtu);
2290 * Enable/Disable hardware filtering by an Ethernet device of received
2291 * VLAN packets tagged with a given VLAN Tag Identifier.
2294 * The port identifier of the Ethernet device.
2296 * The VLAN Tag Identifier whose filtering must be enabled or disabled.
2298 * If > 0, enable VLAN filtering of VLAN packets tagged with *vlan_id*.
2299 * Otherwise, disable VLAN filtering of VLAN packets tagged with *vlan_id*.
2301 * - (0) if successful.
2302 * - (-ENOSUP) if hardware-assisted VLAN filtering not configured.
2303 * - (-ENODEV) if *port_id* invalid.
2304 * - (-ENOSYS) if VLAN filtering on *port_id* disabled.
2305 * - (-EINVAL) if *vlan_id* > 4095.
2307 extern int rte_eth_dev_vlan_filter(uint8_t port_id, uint16_t vlan_id , int on);
2310 * Enable/Disable hardware VLAN Strip by a rx queue of an Ethernet device.
2311 * 82599/X540/X550 can support VLAN stripping at the rx queue level
2314 * The port identifier of the Ethernet device.
2315 * @param rx_queue_id
2316 * The index of the receive queue for which a queue stats mapping is required.
2317 * The value must be in the range [0, nb_rx_queue - 1] previously supplied
2318 * to rte_eth_dev_configure().
2320 * If 1, Enable VLAN Stripping of the receive queue of the Ethernet port.
2321 * If 0, Disable VLAN Stripping of the receive queue of the Ethernet port.
2323 * - (0) if successful.
2324 * - (-ENOSUP) if hardware-assisted VLAN stripping not configured.
2325 * - (-ENODEV) if *port_id* invalid.
2326 * - (-EINVAL) if *rx_queue_id* invalid.
2328 extern int rte_eth_dev_set_vlan_strip_on_queue(uint8_t port_id,
2329 uint16_t rx_queue_id, int on);
2332 * Set the Outer VLAN Ether Type by an Ethernet device, it can be inserted to
2333 * the VLAN Header. This is a register setup available on some Intel NIC, not
2334 * but all, please check the data sheet for availability.
2337 * The port identifier of the Ethernet device.
2339 * The Tag Protocol ID
2341 * - (0) if successful.
2342 * - (-ENOSUP) if hardware-assisted VLAN TPID setup is not supported.
2343 * - (-ENODEV) if *port_id* invalid.
2345 extern int rte_eth_dev_set_vlan_ether_type(uint8_t port_id, uint16_t tag_type);
2348 * Set VLAN offload configuration on an Ethernet device
2349 * Enable/Disable Extended VLAN by an Ethernet device, This is a register setup
2350 * available on some Intel NIC, not but all, please check the data sheet for
2352 * Enable/Disable VLAN Strip can be done on rx queue for certain NIC, but here
2353 * the configuration is applied on the port level.
2356 * The port identifier of the Ethernet device.
2357 * @param offload_mask
2358 * The VLAN Offload bit mask can be mixed use with "OR"
2359 * ETH_VLAN_STRIP_OFFLOAD
2360 * ETH_VLAN_FILTER_OFFLOAD
2361 * ETH_VLAN_EXTEND_OFFLOAD
2363 * - (0) if successful.
2364 * - (-ENOSUP) if hardware-assisted VLAN filtering not configured.
2365 * - (-ENODEV) if *port_id* invalid.
2367 extern int rte_eth_dev_set_vlan_offload(uint8_t port_id, int offload_mask);
2370 * Read VLAN Offload configuration from an Ethernet device
2373 * The port identifier of the Ethernet device.
2375 * - (>0) if successful. Bit mask to indicate
2376 * ETH_VLAN_STRIP_OFFLOAD
2377 * ETH_VLAN_FILTER_OFFLOAD
2378 * ETH_VLAN_EXTEND_OFFLOAD
2379 * - (-ENODEV) if *port_id* invalid.
2381 extern int rte_eth_dev_get_vlan_offload(uint8_t port_id);
2384 * Set port based TX VLAN insersion on or off.
2387 * The port identifier of the Ethernet device.
2389 * Port based TX VLAN identifier togeth with user priority.
2391 * Turn on or off the port based TX VLAN insertion.
2394 * - (0) if successful.
2395 * - negative if failed.
2397 extern int rte_eth_dev_set_vlan_pvid(uint8_t port_id, uint16_t pvid, int on);
2401 * Retrieve a burst of input packets from a receive queue of an Ethernet
2402 * device. The retrieved packets are stored in *rte_mbuf* structures whose
2403 * pointers are supplied in the *rx_pkts* array.
2405 * The rte_eth_rx_burst() function loops, parsing the RX ring of the
2406 * receive queue, up to *nb_pkts* packets, and for each completed RX
2407 * descriptor in the ring, it performs the following operations:
2409 * - Initialize the *rte_mbuf* data structure associated with the
2410 * RX descriptor according to the information provided by the NIC into
2411 * that RX descriptor.
2413 * - Store the *rte_mbuf* data structure into the next entry of the
2416 * - Replenish the RX descriptor with a new *rte_mbuf* buffer
2417 * allocated from the memory pool associated with the receive queue at
2418 * initialization time.
2420 * When retrieving an input packet that was scattered by the controller
2421 * into multiple receive descriptors, the rte_eth_rx_burst() function
2422 * appends the associated *rte_mbuf* buffers to the first buffer of the
2425 * The rte_eth_rx_burst() function returns the number of packets
2426 * actually retrieved, which is the number of *rte_mbuf* data structures
2427 * effectively supplied into the *rx_pkts* array.
2428 * A return value equal to *nb_pkts* indicates that the RX queue contained
2429 * at least *rx_pkts* packets, and this is likely to signify that other
2430 * received packets remain in the input queue. Applications implementing
2431 * a "retrieve as much received packets as possible" policy can check this
2432 * specific case and keep invoking the rte_eth_rx_burst() function until
2433 * a value less than *nb_pkts* is returned.
2435 * This receive method has the following advantages:
2437 * - It allows a run-to-completion network stack engine to retrieve and
2438 * to immediately process received packets in a fast burst-oriented
2439 * approach, avoiding the overhead of unnecessary intermediate packet
2440 * queue/dequeue operations.
2442 * - Conversely, it also allows an asynchronous-oriented processing
2443 * method to retrieve bursts of received packets and to immediately
2444 * queue them for further parallel processing by another logical core,
2445 * for instance. However, instead of having received packets being
2446 * individually queued by the driver, this approach allows the invoker
2447 * of the rte_eth_rx_burst() function to queue a burst of retrieved
2448 * packets at a time and therefore dramatically reduce the cost of
2449 * enqueue/dequeue operations per packet.
2451 * - It allows the rte_eth_rx_burst() function of the driver to take
2452 * advantage of burst-oriented hardware features (CPU cache,
2453 * prefetch instructions, and so on) to minimize the number of CPU
2454 * cycles per packet.
2456 * To summarize, the proposed receive API enables many
2457 * burst-oriented optimizations in both synchronous and asynchronous
2458 * packet processing environments with no overhead in both cases.
2460 * The rte_eth_rx_burst() function does not provide any error
2461 * notification to avoid the corresponding overhead. As a hint, the
2462 * upper-level application might check the status of the device link once
2463 * being systematically returned a 0 value for a given number of tries.
2466 * The port identifier of the Ethernet device.
2468 * The index of the receive queue from which to retrieve input packets.
2469 * The value must be in the range [0, nb_rx_queue - 1] previously supplied
2470 * to rte_eth_dev_configure().
2472 * The address of an array of pointers to *rte_mbuf* structures that
2473 * must be large enough to store *nb_pkts* pointers in it.
2475 * The maximum number of packets to retrieve.
2477 * The number of packets actually retrieved, which is the number
2478 * of pointers to *rte_mbuf* structures effectively supplied to the
2481 #ifdef RTE_LIBRTE_ETHDEV_DEBUG
2482 extern uint16_t rte_eth_rx_burst(uint8_t port_id, uint16_t queue_id,
2483 struct rte_mbuf **rx_pkts, uint16_t nb_pkts);
2485 static inline uint16_t
2486 rte_eth_rx_burst(uint8_t port_id, uint16_t queue_id,
2487 struct rte_mbuf **rx_pkts, const uint16_t nb_pkts)
2489 struct rte_eth_dev *dev;
2491 dev = &rte_eth_devices[port_id];
2493 int16_t nb_rx = (*dev->rx_pkt_burst)(dev->data->rx_queues[queue_id],
2496 #ifdef RTE_ETHDEV_RXTX_CALLBACKS
2497 struct rte_eth_rxtx_callback *cb = dev->post_rx_burst_cbs[queue_id];
2499 if (unlikely(cb != NULL)) {
2501 nb_rx = cb->fn.rx(port_id, queue_id, rx_pkts, nb_rx,
2502 nb_pkts, cb->param);
2504 } while (cb != NULL);
2513 * Get the number of used descriptors in a specific queue
2516 * The port identifier of the Ethernet device.
2518 * The queue id on the specific port.
2520 * The number of used descriptors in the specific queue.
2522 #ifdef RTE_LIBRTE_ETHDEV_DEBUG
2523 extern uint32_t rte_eth_rx_queue_count(uint8_t port_id, uint16_t queue_id);
2525 static inline uint32_t
2526 rte_eth_rx_queue_count(uint8_t port_id, uint16_t queue_id)
2528 struct rte_eth_dev *dev;
2530 dev = &rte_eth_devices[port_id];
2531 return (*dev->dev_ops->rx_queue_count)(dev, queue_id);
2536 * Check if the DD bit of the specific RX descriptor in the queue has been set
2539 * The port identifier of the Ethernet device.
2541 * The queue id on the specific port.
2543 * The offset of the descriptor ID from tail.
2545 * - (1) if the specific DD bit is set.
2546 * - (0) if the specific DD bit is not set.
2547 * - (-ENODEV) if *port_id* invalid.
2549 #ifdef RTE_LIBRTE_ETHDEV_DEBUG
2550 extern int rte_eth_rx_descriptor_done(uint8_t port_id,
2555 rte_eth_rx_descriptor_done(uint8_t port_id, uint16_t queue_id, uint16_t offset)
2557 struct rte_eth_dev *dev;
2559 dev = &rte_eth_devices[port_id];
2560 return (*dev->dev_ops->rx_descriptor_done)( \
2561 dev->data->rx_queues[queue_id], offset);
2566 * Send a burst of output packets on a transmit queue of an Ethernet device.
2568 * The rte_eth_tx_burst() function is invoked to transmit output packets
2569 * on the output queue *queue_id* of the Ethernet device designated by its
2571 * The *nb_pkts* parameter is the number of packets to send which are
2572 * supplied in the *tx_pkts* array of *rte_mbuf* structures.
2573 * The rte_eth_tx_burst() function loops, sending *nb_pkts* packets,
2574 * up to the number of transmit descriptors available in the TX ring of the
2576 * For each packet to send, the rte_eth_tx_burst() function performs
2577 * the following operations:
2579 * - Pick up the next available descriptor in the transmit ring.
2581 * - Free the network buffer previously sent with that descriptor, if any.
2583 * - Initialize the transmit descriptor with the information provided
2584 * in the *rte_mbuf data structure.
2586 * In the case of a segmented packet composed of a list of *rte_mbuf* buffers,
2587 * the rte_eth_tx_burst() function uses several transmit descriptors
2590 * The rte_eth_tx_burst() function returns the number of packets it
2591 * actually sent. A return value equal to *nb_pkts* means that all packets
2592 * have been sent, and this is likely to signify that other output packets
2593 * could be immediately transmitted again. Applications that implement a
2594 * "send as many packets to transmit as possible" policy can check this
2595 * specific case and keep invoking the rte_eth_tx_burst() function until
2596 * a value less than *nb_pkts* is returned.
2598 * It is the responsibility of the rte_eth_tx_burst() function to
2599 * transparently free the memory buffers of packets previously sent.
2600 * This feature is driven by the *tx_free_thresh* value supplied to the
2601 * rte_eth_dev_configure() function at device configuration time.
2602 * When the number of free TX descriptors drops below this threshold, the
2603 * rte_eth_tx_burst() function must [attempt to] free the *rte_mbuf* buffers
2604 * of those packets whose transmission was effectively completed.
2607 * The port identifier of the Ethernet device.
2609 * The index of the transmit queue through which output packets must be
2611 * The value must be in the range [0, nb_tx_queue - 1] previously supplied
2612 * to rte_eth_dev_configure().
2614 * The address of an array of *nb_pkts* pointers to *rte_mbuf* structures
2615 * which contain the output packets.
2617 * The maximum number of packets to transmit.
2619 * The number of output packets actually stored in transmit descriptors of
2620 * the transmit ring. The return value can be less than the value of the
2621 * *tx_pkts* parameter when the transmit ring is full or has been filled up.
2623 #ifdef RTE_LIBRTE_ETHDEV_DEBUG
2624 extern uint16_t rte_eth_tx_burst(uint8_t port_id, uint16_t queue_id,
2625 struct rte_mbuf **tx_pkts, uint16_t nb_pkts);
2627 static inline uint16_t
2628 rte_eth_tx_burst(uint8_t port_id, uint16_t queue_id,
2629 struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
2631 struct rte_eth_dev *dev;
2633 dev = &rte_eth_devices[port_id];
2635 #ifdef RTE_ETHDEV_RXTX_CALLBACKS
2636 struct rte_eth_rxtx_callback *cb = dev->pre_tx_burst_cbs[queue_id];
2638 if (unlikely(cb != NULL)) {
2640 nb_pkts = cb->fn.tx(port_id, queue_id, tx_pkts, nb_pkts,
2643 } while (cb != NULL);
2647 return (*dev->tx_pkt_burst)(dev->data->tx_queues[queue_id], tx_pkts, nb_pkts);
2652 * Setup a new signature filter rule on an Ethernet device
2655 * The port identifier of the Ethernet device.
2656 * @param fdir_filter
2657 * The pointer to the fdir filter structure describing the signature filter
2659 * The *rte_fdir_filter* structure includes the values of the different fields
2660 * to match: source and destination IP addresses, vlan id, flexbytes, source
2661 * and destination ports, and so on.
2663 * The index of the RX queue where to store RX packets matching the added
2664 * signature filter defined in fdir_filter.
2666 * - (0) if successful.
2667 * - (-ENOTSUP) if hardware doesn't support flow director mode.
2668 * - (-ENODEV) if *port_id* invalid.
2669 * - (-ENOSYS) if the FDIR mode is not configured in signature mode
2671 * - (-EINVAL) if the fdir_filter information is not correct.
2673 int rte_eth_dev_fdir_add_signature_filter(uint8_t port_id,
2674 struct rte_fdir_filter *fdir_filter,
2678 * Update a signature filter rule on an Ethernet device.
2679 * If the rule doesn't exits, it is created.
2682 * The port identifier of the Ethernet device.
2684 * The pointer to the structure describing the signature filter rule.
2685 * The *rte_fdir_filter* structure includes the values of the different fields
2686 * to match: source and destination IP addresses, vlan id, flexbytes, source
2687 * and destination ports, and so on.
2689 * The index of the RX queue where to store RX packets matching the added
2690 * signature filter defined in fdir_ftr.
2692 * - (0) if successful.
2693 * - (-ENOTSUP) if hardware doesn't support flow director mode.
2694 * - (-ENODEV) if *port_id* invalid.
2695 * - (-ENOSYS) if the flow director mode is not configured in signature mode
2697 * - (-EINVAL) if the fdir_filter information is not correct.
2699 int rte_eth_dev_fdir_update_signature_filter(uint8_t port_id,
2700 struct rte_fdir_filter *fdir_ftr,
2704 * Remove a signature filter rule on an Ethernet device.
2707 * The port identifier of the Ethernet device.
2709 * The pointer to the structure describing the signature filter rule.
2710 * The *rte_fdir_filter* structure includes the values of the different fields
2711 * to match: source and destination IP addresses, vlan id, flexbytes, source
2712 * and destination ports, and so on.
2714 * - (0) if successful.
2715 * - (-ENOTSUP) if hardware doesn't support flow director mode.
2716 * - (-ENODEV) if *port_id* invalid.
2717 * - (-ENOSYS) if the flow director mode is not configured in signature mode
2719 * - (-EINVAL) if the fdir_filter information is not correct.
2721 int rte_eth_dev_fdir_remove_signature_filter(uint8_t port_id,
2722 struct rte_fdir_filter *fdir_ftr);
2725 * Retrieve the flow director information of an Ethernet device.
2728 * The port identifier of the Ethernet device.
2730 * A pointer to a structure of type *rte_eth_dev_fdir* to be filled with
2731 * the flow director information of the Ethernet device.
2733 * - (0) if successful.
2734 * - (-ENOTSUP) if hardware doesn't support flow director mode.
2735 * - (-ENODEV) if *port_id* invalid.
2736 * - (-ENOSYS) if the flow director mode is not configured on *port_id*.
2738 int rte_eth_dev_fdir_get_infos(uint8_t port_id, struct rte_eth_fdir *fdir);
2741 * Add a new perfect filter rule on an Ethernet device.
2744 * The port identifier of the Ethernet device.
2745 * @param fdir_filter
2746 * The pointer to the structure describing the perfect filter rule.
2747 * The *rte_fdir_filter* structure includes the values of the different fields
2748 * to match: source and destination IP addresses, vlan id, flexbytes, source
2749 * and destination ports, and so on.
2750 * IPv6 are not supported.
2752 * The 16-bit value supplied in the field hash.fdir.id of mbuf for RX
2753 * packets matching the perfect filter.
2755 * The index of the RX queue where to store RX packets matching the added
2756 * perfect filter defined in fdir_filter.
2758 * If drop is set to 1, matching RX packets are stored into the RX drop
2759 * queue defined in the rte_fdir_conf.
2761 * - (0) if successful.
2762 * - (-ENOTSUP) if hardware doesn't support flow director mode.
2763 * - (-ENODEV) if *port_id* invalid.
2764 * - (-ENOSYS) if the flow director mode is not configured in perfect mode
2766 * - (-EINVAL) if the fdir_filter information is not correct.
2768 int rte_eth_dev_fdir_add_perfect_filter(uint8_t port_id,
2769 struct rte_fdir_filter *fdir_filter,
2770 uint16_t soft_id, uint8_t rx_queue,
2774 * Update a perfect filter rule on an Ethernet device.
2775 * If the rule doesn't exits, it is created.
2778 * The port identifier of the Ethernet device.
2779 * @param fdir_filter
2780 * The pointer to the structure describing the perfect filter rule.
2781 * The *rte_fdir_filter* structure includes the values of the different fields
2782 * to match: source and destination IP addresses, vlan id, flexbytes, source
2783 * and destination ports, and so on.
2784 * IPv6 are not supported.
2786 * The 16-bit value supplied in the field hash.fdir.id of mbuf for RX
2787 * packets matching the perfect filter.
2789 * The index of the RX queue where to store RX packets matching the added
2790 * perfect filter defined in fdir_filter.
2792 * If drop is set to 1, matching RX packets are stored into the RX drop
2793 * queue defined in the rte_fdir_conf.
2795 * - (0) if successful.
2796 * - (-ENOTSUP) if hardware doesn't support flow director mode.
2797 * - (-ENODEV) if *port_id* invalid.
2798 * - (-ENOSYS) if the flow director mode is not configured in perfect mode
2800 * - (-EINVAL) if the fdir_filter information is not correct.
2802 int rte_eth_dev_fdir_update_perfect_filter(uint8_t port_id,
2803 struct rte_fdir_filter *fdir_filter,
2804 uint16_t soft_id, uint8_t rx_queue,
2808 * Remove a perfect filter rule on an Ethernet device.
2811 * The port identifier of the Ethernet device.
2812 * @param fdir_filter
2813 * The pointer to the structure describing the perfect filter rule.
2814 * The *rte_fdir_filter* structure includes the values of the different fields
2815 * to match: source and destination IP addresses, vlan id, flexbytes, source
2816 * and destination ports, and so on.
2817 * IPv6 are not supported.
2819 * The soft_id value provided when adding/updating the removed filter.
2821 * - (0) if successful.
2822 * - (-ENOTSUP) if hardware doesn't support flow director mode.
2823 * - (-ENODEV) if *port_id* invalid.
2824 * - (-ENOSYS) if the flow director mode is not configured in perfect mode
2826 * - (-EINVAL) if the fdir_filter information is not correct.
2828 int rte_eth_dev_fdir_remove_perfect_filter(uint8_t port_id,
2829 struct rte_fdir_filter *fdir_filter,
2832 * Configure globally the masks for flow director mode for an Ethernet device.
2833 * For example, the device can match packets with only the first 24 bits of
2834 * the IPv4 source address.
2836 * The following fields can be masked: IPv4 addresses and L4 port numbers.
2837 * The following fields can be either enabled or disabled completely for the
2838 * matching functionality: VLAN ID tag; VLAN Priority + CFI bit; Flexible 2-byte
2840 * IPv6 masks are not supported.
2842 * All filters must comply with the masks previously configured.
2843 * For example, with a mask equal to 255.255.255.0 for the source IPv4 address,
2844 * all IPv4 filters must be created with a source IPv4 address that fits the
2847 * This function flushes all filters that have been previously added in
2851 * The port identifier of the Ethernet device.
2853 * The pointer to the fdir mask structure describing relevant headers fields
2854 * and relevant bits to use when matching packets addresses and ports.
2855 * IPv6 masks are not supported.
2857 * - (0) if successful.
2858 * - (-ENOTSUP) if hardware doesn't support flow director mode.
2859 * - (-ENODEV) if *port_id* invalid.
2860 * - (-ENOSYS) if the flow director mode is not configured in perfect
2861 * mode on *port_id*.
2862 * - (-EINVAL) if the fdir_filter information is not correct
2864 int rte_eth_dev_fdir_set_masks(uint8_t port_id,
2865 struct rte_fdir_masks *fdir_mask);
2868 * The eth device event type for interrupt, and maybe others in the future.
2870 enum rte_eth_event_type {
2871 RTE_ETH_EVENT_UNKNOWN, /**< unknown event type */
2872 RTE_ETH_EVENT_INTR_LSC, /**< lsc interrupt event */
2873 RTE_ETH_EVENT_MAX /**< max value of this enum */
2876 typedef void (*rte_eth_dev_cb_fn)(uint8_t port_id, \
2877 enum rte_eth_event_type event, void *cb_arg);
2878 /**< user application callback to be registered for interrupts */
2883 * Register a callback function for specific port id.
2890 * User supplied callback function to be called.
2892 * Pointer to the parameters for the registered callback.
2895 * - On success, zero.
2896 * - On failure, a negative value.
2898 int rte_eth_dev_callback_register(uint8_t port_id,
2899 enum rte_eth_event_type event,
2900 rte_eth_dev_cb_fn cb_fn, void *cb_arg);
2903 * Unregister a callback function for specific port id.
2910 * User supplied callback function to be called.
2912 * Pointer to the parameters for the registered callback. -1 means to
2913 * remove all for the same callback address and same event.
2916 * - On success, zero.
2917 * - On failure, a negative value.
2919 int rte_eth_dev_callback_unregister(uint8_t port_id,
2920 enum rte_eth_event_type event,
2921 rte_eth_dev_cb_fn cb_fn, void *cb_arg);
2924 * @internal Executes all the user application registered callbacks for
2925 * the specific device. It is for DPDK internal user only. User
2926 * application should not call it directly.
2929 * Pointer to struct rte_eth_dev.
2931 * Eth device interrupt event type.
2936 void _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
2937 enum rte_eth_event_type event);
2940 * Turn on the LED on the Ethernet device.
2941 * This function turns on the LED on the Ethernet device.
2944 * The port identifier of the Ethernet device.
2946 * - (0) if successful.
2947 * - (-ENOTSUP) if underlying hardware OR driver doesn't support
2949 * - (-ENODEV) if *port_id* invalid.
2951 int rte_eth_led_on(uint8_t port_id);
2954 * Turn off the LED on the Ethernet device.
2955 * This function turns off the LED on the Ethernet device.
2958 * The port identifier of the Ethernet device.
2960 * - (0) if successful.
2961 * - (-ENOTSUP) if underlying hardware OR driver doesn't support
2963 * - (-ENODEV) if *port_id* invalid.
2965 int rte_eth_led_off(uint8_t port_id);
2968 * Get current status of the Ethernet link flow control for Ethernet device
2971 * The port identifier of the Ethernet device.
2973 * The pointer to the structure where to store the flow control parameters.
2975 * - (0) if successful.
2976 * - (-ENOTSUP) if hardware doesn't support flow control.
2977 * - (-ENODEV) if *port_id* invalid.
2979 int rte_eth_dev_flow_ctrl_get(uint8_t port_id,
2980 struct rte_eth_fc_conf *fc_conf);
2983 * Configure the Ethernet link flow control for Ethernet device
2986 * The port identifier of the Ethernet device.
2988 * The pointer to the structure of the flow control parameters.
2990 * - (0) if successful.
2991 * - (-ENOTSUP) if hardware doesn't support flow control mode.
2992 * - (-ENODEV) if *port_id* invalid.
2993 * - (-EINVAL) if bad parameter
2994 * - (-EIO) if flow control setup failure
2996 int rte_eth_dev_flow_ctrl_set(uint8_t port_id,
2997 struct rte_eth_fc_conf *fc_conf);
3000 * Configure the Ethernet priority flow control under DCB environment
3001 * for Ethernet device.
3004 * The port identifier of the Ethernet device.
3006 * The pointer to the structure of the priority flow control parameters.
3008 * - (0) if successful.
3009 * - (-ENOTSUP) if hardware doesn't support priority flow control mode.
3010 * - (-ENODEV) if *port_id* invalid.
3011 * - (-EINVAL) if bad parameter
3012 * - (-EIO) if flow control setup failure
3014 int rte_eth_dev_priority_flow_ctrl_set(uint8_t port_id,
3015 struct rte_eth_pfc_conf *pfc_conf);
3018 * Add a MAC address to an internal array of addresses used to enable whitelist
3019 * filtering to accept packets only if the destination MAC address matches.
3022 * The port identifier of the Ethernet device.
3024 * The MAC address to add.
3026 * VMDq pool index to associate address with (if VMDq is enabled). If VMDq is
3027 * not enabled, this should be set to 0.
3029 * - (0) if successfully added or *mac_addr" was already added.
3030 * - (-ENOTSUP) if hardware doesn't support this feature.
3031 * - (-ENODEV) if *port* is invalid.
3032 * - (-ENOSPC) if no more MAC addresses can be added.
3033 * - (-EINVAL) if MAC address is invalid.
3035 int rte_eth_dev_mac_addr_add(uint8_t port, struct ether_addr *mac_addr,
3039 * Remove a MAC address from the internal array of addresses.
3042 * The port identifier of the Ethernet device.
3044 * MAC address to remove.
3046 * - (0) if successful, or *mac_addr* didn't exist.
3047 * - (-ENOTSUP) if hardware doesn't support.
3048 * - (-ENODEV) if *port* invalid.
3049 * - (-EADDRINUSE) if attempting to remove the default MAC address
3051 int rte_eth_dev_mac_addr_remove(uint8_t port, struct ether_addr *mac_addr);
3054 * Set the default MAC address.
3057 * The port identifier of the Ethernet device.
3059 * New default MAC address.
3061 * - (0) if successful, or *mac_addr* didn't exist.
3062 * - (-ENOTSUP) if hardware doesn't support.
3063 * - (-ENODEV) if *port* invalid.
3064 * - (-EINVAL) if MAC address is invalid.
3066 int rte_eth_dev_default_mac_addr_set(uint8_t port, struct ether_addr *mac_addr);
3070 * Update Redirection Table(RETA) of Receive Side Scaling of Ethernet device.
3073 * The port identifier of the Ethernet device.
3077 * Redirection table size. The table size can be queried by
3078 * rte_eth_dev_info_get().
3080 * - (0) if successful.
3081 * - (-ENOTSUP) if hardware doesn't support.
3082 * - (-EINVAL) if bad parameter.
3084 int rte_eth_dev_rss_reta_update(uint8_t port,
3085 struct rte_eth_rss_reta_entry64 *reta_conf,
3086 uint16_t reta_size);
3089 * Query Redirection Table(RETA) of Receive Side Scaling of Ethernet device.
3092 * The port identifier of the Ethernet device.
3096 * Redirection table size. The table size can be queried by
3097 * rte_eth_dev_info_get().
3099 * - (0) if successful.
3100 * - (-ENOTSUP) if hardware doesn't support.
3101 * - (-EINVAL) if bad parameter.
3103 int rte_eth_dev_rss_reta_query(uint8_t port,
3104 struct rte_eth_rss_reta_entry64 *reta_conf,
3105 uint16_t reta_size);
3108 * Updates unicast hash table for receiving packet with the given destination
3109 * MAC address, and the packet is routed to all VFs for which the RX mode is
3110 * accept packets that match the unicast hash table.
3113 * The port identifier of the Ethernet device.
3115 * Unicast MAC address.
3117 * 1 - Set an unicast hash bit for receiving packets with the MAC address.
3118 * 0 - Clear an unicast hash bit.
3120 * - (0) if successful.
3121 * - (-ENOTSUP) if hardware doesn't support.
3122 * - (-ENODEV) if *port_id* invalid.
3123 * - (-EINVAL) if bad parameter.
3125 int rte_eth_dev_uc_hash_table_set(uint8_t port,struct ether_addr *addr,
3129 * Updates all unicast hash bitmaps for receiving packet with any Unicast
3130 * Ethernet MAC addresses,the packet is routed to all VFs for which the RX
3131 * mode is accept packets that match the unicast hash table.
3134 * The port identifier of the Ethernet device.
3136 * 1 - Set all unicast hash bitmaps for receiving all the Ethernet
3138 * 0 - Clear all unicast hash bitmaps
3140 * - (0) if successful.
3141 * - (-ENOTSUP) if hardware doesn't support.
3142 * - (-ENODEV) if *port_id* invalid.
3143 * - (-EINVAL) if bad parameter.
3145 int rte_eth_dev_uc_all_hash_table_set(uint8_t port,uint8_t on);
3148 * Set RX L2 Filtering mode of a VF of an Ethernet device.
3151 * The port identifier of the Ethernet device.
3155 * The RX mode mask, which is one or more of accepting Untagged Packets,
3156 * packets that match the PFUTA table, Broadcast and Multicast Promiscuous.
3157 * ETH_VMDQ_ACCEPT_UNTAG,ETH_VMDQ_ACCEPT_HASH_UC,
3158 * ETH_VMDQ_ACCEPT_BROADCAST and ETH_VMDQ_ACCEPT_MULTICAST will be used
3161 * 1 - Enable a VF RX mode.
3162 * 0 - Disable a VF RX mode.
3164 * - (0) if successful.
3165 * - (-ENOTSUP) if hardware doesn't support.
3166 * - (-ENOTSUP) if hardware doesn't support.
3167 * - (-EINVAL) if bad parameter.
3169 int rte_eth_dev_set_vf_rxmode(uint8_t port, uint16_t vf, uint16_t rx_mode,
3173 * Enable or disable a VF traffic transmit of the Ethernet device.
3176 * The port identifier of the Ethernet device.
3180 * 1 - Enable a VF traffic transmit.
3181 * 0 - Disable a VF traffic transmit.
3183 * - (0) if successful.
3184 * - (-ENODEV) if *port_id* invalid.
3185 * - (-ENOTSUP) if hardware doesn't support.
3186 * - (-EINVAL) if bad parameter.
3189 rte_eth_dev_set_vf_tx(uint8_t port,uint16_t vf, uint8_t on);
3192 * Enable or disable a VF traffic receive of an Ethernet device.
3195 * The port identifier of the Ethernet device.
3199 * 1 - Enable a VF traffic receive.
3200 * 0 - Disable a VF traffic receive.
3202 * - (0) if successful.
3203 * - (-ENOTSUP) if hardware doesn't support.
3204 * - (-ENODEV) if *port_id* invalid.
3205 * - (-EINVAL) if bad parameter.
3208 rte_eth_dev_set_vf_rx(uint8_t port,uint16_t vf, uint8_t on);
3211 * Enable/Disable hardware VF VLAN filtering by an Ethernet device of
3212 * received VLAN packets tagged with a given VLAN Tag Identifier.
3215 * The port identifier of the Ethernet device.
3217 * The VLAN Tag Identifier whose filtering must be enabled or disabled.
3219 * Bitmap listing which VFs participate in the VLAN filtering.
3221 * 1 - Enable VFs VLAN filtering.
3222 * 0 - Disable VFs VLAN filtering.
3224 * - (0) if successful.
3225 * - (-ENOTSUP) if hardware doesn't support.
3226 * - (-ENODEV) if *port_id* invalid.
3227 * - (-EINVAL) if bad parameter.
3230 rte_eth_dev_set_vf_vlan_filter(uint8_t port, uint16_t vlan_id,
3235 * Set a traffic mirroring rule on an Ethernet device
3238 * The port identifier of the Ethernet device.
3239 * @param mirror_conf
3240 * The pointer to the traffic mirroring structure describing the mirroring rule.
3241 * The *rte_eth_vm_mirror_conf* structure includes the type of mirroring rule,
3242 * destination pool and the value of rule if enable vlan or pool mirroring.
3245 * The index of traffic mirroring rule, we support four separated rules.
3247 * 1 - Enable a mirroring rule.
3248 * 0 - Disable a mirroring rule.
3250 * - (0) if successful.
3251 * - (-ENOTSUP) if hardware doesn't support this feature.
3252 * - (-ENODEV) if *port_id* invalid.
3253 * - (-EINVAL) if the mr_conf information is not correct.
3255 int rte_eth_mirror_rule_set(uint8_t port_id,
3256 struct rte_eth_mirror_conf *mirror_conf,
3261 * Reset a traffic mirroring rule on an Ethernet device.
3264 * The port identifier of the Ethernet device.
3266 * The index of traffic mirroring rule, we support four separated rules.
3268 * - (0) if successful.
3269 * - (-ENOTSUP) if hardware doesn't support this feature.
3270 * - (-ENODEV) if *port_id* invalid.
3271 * - (-EINVAL) if bad parameter.
3273 int rte_eth_mirror_rule_reset(uint8_t port_id,
3277 * Set the rate limitation for a queue on an Ethernet device.
3280 * The port identifier of the Ethernet device.
3284 * The tx rate allocated from the total link speed for this queue.
3286 * - (0) if successful.
3287 * - (-ENOTSUP) if hardware doesn't support this feature.
3288 * - (-ENODEV) if *port_id* invalid.
3289 * - (-EINVAL) if bad parameter.
3291 int rte_eth_set_queue_rate_limit(uint8_t port_id, uint16_t queue_idx,
3295 * Set the rate limitation for a vf on an Ethernet device.
3298 * The port identifier of the Ethernet device.
3302 * The tx rate allocated from the total link speed for this VF id.
3304 * The queue mask which need to set the rate.
3306 * - (0) if successful.
3307 * - (-ENOTSUP) if hardware doesn't support this feature.
3308 * - (-ENODEV) if *port_id* invalid.
3309 * - (-EINVAL) if bad parameter.
3311 int rte_eth_set_vf_rate_limit(uint8_t port_id, uint16_t vf,
3312 uint16_t tx_rate, uint64_t q_msk);
3315 * Initialize bypass logic. This function needs to be called before
3316 * executing any other bypass API.
3319 * The port identifier of the Ethernet device.
3321 * - (0) if successful.
3322 * - (-ENOTSUP) if hardware doesn't support.
3323 * - (-EINVAL) if bad parameter.
3325 int rte_eth_dev_bypass_init(uint8_t port);
3328 * Return bypass state.
3331 * The port identifier of the Ethernet device.
3333 * The return bypass state.
3336 * - (3) Isolate mode
3338 * - (0) if successful.
3339 * - (-ENOTSUP) if hardware doesn't support.
3340 * - (-EINVAL) if bad parameter.
3342 int rte_eth_dev_bypass_state_show(uint8_t port, uint32_t *state);
3348 * The port identifier of the Ethernet device.
3350 * The current bypass state.
3353 * - (3) Isolate mode
3355 * - (0) if successful.
3356 * - (-ENOTSUP) if hardware doesn't support.
3357 * - (-EINVAL) if bad parameter.
3359 int rte_eth_dev_bypass_state_set(uint8_t port, uint32_t *new_state);
3362 * Return bypass state when given event occurs.
3365 * The port identifier of the Ethernet device.
3368 * - (1) Main power on (power button is pushed)
3369 * - (2) Auxiliary power on (power supply is being plugged)
3370 * - (3) Main power off (system shutdown and power supply is left plugged in)
3371 * - (4) Auxiliary power off (power supply is being unplugged)
3372 * - (5) Display or set the watchdog timer
3374 * The bypass state when given event occurred.
3377 * - (3) Isolate mode
3379 * - (0) if successful.
3380 * - (-ENOTSUP) if hardware doesn't support.
3381 * - (-EINVAL) if bad parameter.
3383 int rte_eth_dev_bypass_event_show(uint8_t port, uint32_t event, uint32_t *state);
3386 * Set bypass state when given event occurs.
3389 * The port identifier of the Ethernet device.
3392 * - (1) Main power on (power button is pushed)
3393 * - (2) Auxiliary power on (power supply is being plugged)
3394 * - (3) Main power off (system shutdown and power supply is left plugged in)
3395 * - (4) Auxiliary power off (power supply is being unplugged)
3396 * - (5) Display or set the watchdog timer
3398 * The assigned state when given event occurs.
3401 * - (3) Isolate mode
3403 * - (0) if successful.
3404 * - (-ENOTSUP) if hardware doesn't support.
3405 * - (-EINVAL) if bad parameter.
3407 int rte_eth_dev_bypass_event_store(uint8_t port, uint32_t event, uint32_t state);
3410 * Set bypass watchdog timeout count.
3413 * The port identifier of the Ethernet device.
3415 * The timeout to be set.
3416 * - (0) 0 seconds (timer is off)
3425 * - (0) if successful.
3426 * - (-ENOTSUP) if hardware doesn't support.
3427 * - (-EINVAL) if bad parameter.
3429 int rte_eth_dev_wd_timeout_store(uint8_t port, uint32_t timeout);
3432 * Get bypass firmware version.
3435 * The port identifier of the Ethernet device.
3437 * The firmware version
3439 * - (0) if successful.
3440 * - (-ENOTSUP) if hardware doesn't support.
3441 * - (-EINVAL) if bad parameter.
3443 int rte_eth_dev_bypass_ver_show(uint8_t port, uint32_t *ver);
3446 * Return bypass watchdog timeout in seconds
3449 * The port identifier of the Ethernet device.
3451 * The return watchdog timeout. "0" represents timer expired
3452 * - (0) 0 seconds (timer is off)
3461 * - (0) if successful.
3462 * - (-ENOTSUP) if hardware doesn't support.
3463 * - (-EINVAL) if bad parameter.
3465 int rte_eth_dev_bypass_wd_timeout_show(uint8_t port, uint32_t *wd_timeout);
3468 * Reset bypass watchdog timer
3471 * The port identifier of the Ethernet device.
3473 * - (0) if successful.
3474 * - (-ENOTSUP) if hardware doesn't support.
3475 * - (-EINVAL) if bad parameter.
3477 int rte_eth_dev_bypass_wd_reset(uint8_t port);
3480 * Configuration of Receive Side Scaling hash computation of Ethernet device.
3483 * The port identifier of the Ethernet device.
3485 * The new configuration to use for RSS hash computation on the port.
3487 * - (0) if successful.
3488 * - (-ENODEV) if port identifier is invalid.
3489 * - (-ENOTSUP) if hardware doesn't support.
3490 * - (-EINVAL) if bad parameter.
3492 int rte_eth_dev_rss_hash_update(uint8_t port_id,
3493 struct rte_eth_rss_conf *rss_conf);
3496 * Retrieve current configuration of Receive Side Scaling hash computation
3497 * of Ethernet device.
3500 * The port identifier of the Ethernet device.
3502 * Where to store the current RSS hash configuration of the Ethernet device.
3504 * - (0) if successful.
3505 * - (-ENODEV) if port identifier is invalid.
3506 * - (-ENOTSUP) if hardware doesn't support RSS.
3509 rte_eth_dev_rss_hash_conf_get(uint8_t port_id,
3510 struct rte_eth_rss_conf *rss_conf);
3513 * Add UDP tunneling port of an Ethernet device for filtering a specific
3514 * tunneling packet by UDP port number.
3517 * The port identifier of the Ethernet device.
3519 * UDP tunneling configuration.
3522 * - (0) if successful.
3523 * - (-ENODEV) if port identifier is invalid.
3524 * - (-ENOTSUP) if hardware doesn't support tunnel type.
3527 rte_eth_dev_udp_tunnel_add(uint8_t port_id,
3528 struct rte_eth_udp_tunnel *tunnel_udp);
3531 * Detete UDP tunneling port configuration of Ethernet device
3534 * The port identifier of the Ethernet device.
3536 * UDP tunneling configuration.
3539 * - (0) if successful.
3540 * - (-ENODEV) if port identifier is invalid.
3541 * - (-ENOTSUP) if hardware doesn't support tunnel type.
3544 rte_eth_dev_udp_tunnel_delete(uint8_t port_id,
3545 struct rte_eth_udp_tunnel *tunnel_udp);
3548 * Check whether the filter type is supported on an Ethernet device.
3549 * All the supported filter types are defined in 'rte_eth_ctrl.h'.
3552 * The port identifier of the Ethernet device.
3553 * @param filter_type
3556 * - (0) if successful.
3557 * - (-ENOTSUP) if hardware doesn't support this filter type.
3558 * - (-ENODEV) if *port_id* invalid.
3560 int rte_eth_dev_filter_supported(uint8_t port_id, enum rte_filter_type filter_type);
3563 * Take operations to assigned filter type on an Ethernet device.
3564 * All the supported operations and filter types are defined in 'rte_eth_ctrl.h'.
3567 * The port identifier of the Ethernet device.
3568 * @param filter_type
3571 * Type of operation.
3573 * A pointer to arguments defined specifically for the operation.
3575 * - (0) if successful.
3576 * - (-ENOTSUP) if hardware doesn't support.
3577 * - (-ENODEV) if *port_id* invalid.
3578 * - others depends on the specific operations implementation.
3580 int rte_eth_dev_filter_ctrl(uint8_t port_id, enum rte_filter_type filter_type,
3581 enum rte_filter_op filter_op, void *arg);
3584 * Add a callback to be called on packet RX on a given port and queue.
3586 * This API configures a function to be called for each burst of
3587 * packets received on a given NIC port queue. The return value is a pointer
3588 * that can be used to later remove the callback using
3589 * rte_eth_remove_rx_callback().
3591 * Multiple functions are called in the order that they are added.
3594 * The port identifier of the Ethernet device.
3596 * The queue on the Ethernet device on which the callback is to be added.
3598 * The callback function
3600 * A generic pointer parameter which will be passed to each invocation of the
3601 * callback function on this port and queue.
3605 * On success, a pointer value which can later be used to remove the callback.
3607 void *rte_eth_add_rx_callback(uint8_t port_id, uint16_t queue_id,
3608 rte_rx_callback_fn fn, void *user_param);
3611 * Add a callback to be called on packet TX on a given port and queue.
3613 * This API configures a function to be called for each burst of
3614 * packets sent on a given NIC port queue. The return value is a pointer
3615 * that can be used to later remove the callback using
3616 * rte_eth_remove_tx_callback().
3618 * Multiple functions are called in the order that they are added.
3621 * The port identifier of the Ethernet device.
3623 * The queue on the Ethernet device on which the callback is to be added.
3625 * The callback function
3627 * A generic pointer parameter which will be passed to each invocation of the
3628 * callback function on this port and queue.
3632 * On success, a pointer value which can later be used to remove the callback.
3634 void *rte_eth_add_tx_callback(uint8_t port_id, uint16_t queue_id,
3635 rte_tx_callback_fn fn, void *user_param);
3638 * Remove an RX packet callback from a given port and queue.
3640 * This function is used to removed callbacks that were added to a NIC port
3641 * queue using rte_eth_add_rx_callback().
3643 * Note: the callback is removed from the callback list but it isn't freed
3644 * since the it may still be in use. The memory for the callback can be
3645 * subsequently freed back by the application by calling rte_free():
3647 * - Immediately - if the port is stopped, or the user knows that no
3648 * callbacks are in flight e.g. if called from the thread doing RX/TX
3651 * - After a short delay - where the delay is sufficient to allow any
3652 * in-flight callbacks to complete.
3655 * The port identifier of the Ethernet device.
3657 * The queue on the Ethernet device from which the callback is to be removed.
3659 * User supplied callback created via rte_eth_add_rx_callback().
3662 * - 0: Success. Callback was removed.
3663 * - -ENOTSUP: Callback support is not available.
3664 * - -EINVAL: The port_id or the queue_id is out of range, or the callback
3665 * is NULL or not found for the port/queue.
3667 int rte_eth_remove_rx_callback(uint8_t port_id, uint16_t queue_id,
3668 struct rte_eth_rxtx_callback *user_cb);
3671 * Remove a TX packet callback from a given port and queue.
3673 * This function is used to removed callbacks that were added to a NIC port
3674 * queue using rte_eth_add_tx_callback().
3676 * Note: the callback is removed from the callback list but it isn't freed
3677 * since the it may still be in use. The memory for the callback can be
3678 * subsequently freed back by the application by calling rte_free():
3680 * - Immediately - if the port is stopped, or the user knows that no
3681 * callbacks are in flight e.g. if called from the thread doing RX/TX
3684 * - After a short delay - where the delay is sufficient to allow any
3685 * in-flight callbacks to complete.
3688 * The port identifier of the Ethernet device.
3690 * The queue on the Ethernet device from which the callback is to be removed.
3692 * User supplied callback created via rte_eth_add_tx_callback().
3695 * - 0: Success. Callback was removed.
3696 * - -ENOTSUP: Callback support is not available.
3697 * - -EINVAL: The port_id or the queue_id is out of range, or the callback
3698 * is NULL or not found for the port/queue.
3700 int rte_eth_remove_tx_callback(uint8_t port_id, uint16_t queue_id,
3701 struct rte_eth_rxtx_callback *user_cb);
3704 * Retrieve number of available registers for access
3707 * The port identifier of the Ethernet device.
3709 * - (>=0) number of registers if successful.
3710 * - (-ENOTSUP) if hardware doesn't support.
3711 * - (-ENODEV) if *port_id* invalid.
3712 * - others depends on the specific operations implementation.
3714 int rte_eth_dev_get_reg_length(uint8_t port_id);
3717 * Retrieve device registers and register attributes
3720 * The port identifier of the Ethernet device.
3722 * The template includes buffer for register data and attribute to be filled.
3724 * - (0) if successful.
3725 * - (-ENOTSUP) if hardware doesn't support.
3726 * - (-ENODEV) if *port_id* invalid.
3727 * - others depends on the specific operations implementation.
3729 int rte_eth_dev_get_reg_info(uint8_t port_id, struct rte_dev_reg_info *info);
3732 * Retrieve size of device EEPROM
3735 * The port identifier of the Ethernet device.
3737 * - (>=0) EEPROM size if successful.
3738 * - (-ENOTSUP) if hardware doesn't support.
3739 * - (-ENODEV) if *port_id* invalid.
3740 * - others depends on the specific operations implementation.
3742 int rte_eth_dev_get_eeprom_length(uint8_t port_id);
3745 * Retrieve EEPROM and EEPROM attribute
3748 * The port identifier of the Ethernet device.
3750 * The template includes buffer for return EEPROM data and
3751 * EEPROM attributes to be filled.
3753 * - (0) if successful.
3754 * - (-ENOTSUP) if hardware doesn't support.
3755 * - (-ENODEV) if *port_id* invalid.
3756 * - others depends on the specific operations implementation.
3758 int rte_eth_dev_get_eeprom(uint8_t port_id, struct rte_dev_eeprom_info *info);
3761 * Program EEPROM with provided data
3764 * The port identifier of the Ethernet device.
3766 * The template includes EEPROM data for programming and
3767 * EEPROM attributes to be filled
3769 * - (0) if successful.
3770 * - (-ENOTSUP) if hardware doesn't support.
3771 * - (-ENODEV) if *port_id* invalid.
3772 * - others depends on the specific operations implementation.
3774 int rte_eth_dev_set_eeprom(uint8_t port_id, struct rte_dev_eeprom_info *info);
3781 * Set the list of multicast addresses to filter on an Ethernet device.
3784 * The port identifier of the Ethernet device.
3785 * @param mc_addr_set
3786 * The array of multicast addresses to set. Equal to NULL when the function
3787 * is invoked to flush the set of filtered addresses.
3789 * The number of multicast addresses in the *mc_addr_set* array. Equal to 0
3790 * when the function is invoked to flush the set of filtered addresses.
3792 * - (0) if successful.
3793 * - (-ENODEV) if *port_id* invalid.
3794 * - (-ENOTSUP) if PMD of *port_id* doesn't support multicast filtering.
3795 * - (-ENOSPC) if *port_id* has not enough multicast filtering resources.
3797 int rte_eth_dev_set_mc_addr_list(uint8_t port_id,
3798 struct ether_addr *mc_addr_set,
3799 uint32_t nb_mc_addr);
3803 * Enable IEEE1588/802.1AS timestamping for an Ethernet device.
3806 * The port identifier of the Ethernet device.
3810 * - -ENODEV: The port ID is invalid.
3811 * - -ENOTSUP: The function is not supported by the Ethernet driver.
3813 extern int rte_eth_timesync_enable(uint8_t port_id);
3816 * Disable IEEE1588/802.1AS timestamping for an Ethernet device.
3819 * The port identifier of the Ethernet device.
3823 * - -ENODEV: The port ID is invalid.
3824 * - -ENOTSUP: The function is not supported by the Ethernet driver.
3826 extern int rte_eth_timesync_disable(uint8_t port_id);
3829 * Read an IEEE1588/802.1AS RX timestamp from an Ethernet device.
3832 * The port identifier of the Ethernet device.
3834 * Pointer to the timestamp struct.
3836 * Device specific flags. Used to pass the RX timesync register index to
3837 * i40e. Unused in igb/ixgbe, pass 0 instead.
3841 * - -EINVAL: No timestamp is available.
3842 * - -ENODEV: The port ID is invalid.
3843 * - -ENOTSUP: The function is not supported by the Ethernet driver.
3845 extern int rte_eth_timesync_read_rx_timestamp(uint8_t port_id,
3846 struct timespec *timestamp,
3850 * Read an IEEE1588/802.1AS TX timestamp from an Ethernet device.
3853 * The port identifier of the Ethernet device.
3855 * Pointer to the timestamp struct.
3859 * - -EINVAL: No timestamp is available.
3860 * - -ENODEV: The port ID is invalid.
3861 * - -ENOTSUP: The function is not supported by the Ethernet driver.
3863 extern int rte_eth_timesync_read_tx_timestamp(uint8_t port_id,
3864 struct timespec *timestamp);
3865 #endif /* _RTE_ETHDEV_H_ */