1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2017 Intel Corporation
13 #include <rte_byteorder.h>
14 #include <rte_common.h>
16 #include <rte_interrupts.h>
17 #include <rte_debug.h>
19 #include <rte_atomic.h>
21 #include <rte_ether.h>
22 #include <rte_ethdev.h>
23 #include <rte_ethdev_pci.h>
24 #include <rte_malloc.h>
25 #include <rte_memzone.h>
29 #include "base/avf_prototype.h"
30 #include "base/avf_adminq_cmd.h"
31 #include "base/avf_type.h"
36 static int avf_dev_configure(struct rte_eth_dev *dev);
37 static int avf_dev_start(struct rte_eth_dev *dev);
38 static void avf_dev_stop(struct rte_eth_dev *dev);
39 static void avf_dev_close(struct rte_eth_dev *dev);
40 static void avf_dev_info_get(struct rte_eth_dev *dev,
41 struct rte_eth_dev_info *dev_info);
42 static const uint32_t *avf_dev_supported_ptypes_get(struct rte_eth_dev *dev);
43 static int avf_dev_stats_get(struct rte_eth_dev *dev,
44 struct rte_eth_stats *stats);
45 static void avf_dev_promiscuous_enable(struct rte_eth_dev *dev);
46 static void avf_dev_promiscuous_disable(struct rte_eth_dev *dev);
47 static void avf_dev_allmulticast_enable(struct rte_eth_dev *dev);
48 static void avf_dev_allmulticast_disable(struct rte_eth_dev *dev);
49 static int avf_dev_add_mac_addr(struct rte_eth_dev *dev,
50 struct ether_addr *addr,
53 static void avf_dev_del_mac_addr(struct rte_eth_dev *dev, uint32_t index);
54 static int avf_dev_vlan_filter_set(struct rte_eth_dev *dev,
55 uint16_t vlan_id, int on);
56 static int avf_dev_vlan_offload_set(struct rte_eth_dev *dev, int mask);
57 static int avf_dev_rss_reta_update(struct rte_eth_dev *dev,
58 struct rte_eth_rss_reta_entry64 *reta_conf,
60 static int avf_dev_rss_reta_query(struct rte_eth_dev *dev,
61 struct rte_eth_rss_reta_entry64 *reta_conf,
63 static int avf_dev_rss_hash_update(struct rte_eth_dev *dev,
64 struct rte_eth_rss_conf *rss_conf);
65 static int avf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
66 struct rte_eth_rss_conf *rss_conf);
67 static void avf_dev_set_default_mac_addr(struct rte_eth_dev *dev,
68 struct ether_addr *mac_addr);
71 int avf_logtype_driver;
72 static const struct rte_pci_id pci_id_avf_map[] = {
73 { RTE_PCI_DEVICE(AVF_INTEL_VENDOR_ID, AVF_DEV_ID_ADAPTIVE_VF) },
74 { .vendor_id = 0, /* sentinel */ },
77 static const struct eth_dev_ops avf_eth_dev_ops = {
78 .dev_configure = avf_dev_configure,
79 .dev_start = avf_dev_start,
80 .dev_stop = avf_dev_stop,
81 .dev_close = avf_dev_close,
82 .dev_infos_get = avf_dev_info_get,
83 .dev_supported_ptypes_get = avf_dev_supported_ptypes_get,
84 .link_update = avf_dev_link_update,
85 .stats_get = avf_dev_stats_get,
86 .promiscuous_enable = avf_dev_promiscuous_enable,
87 .promiscuous_disable = avf_dev_promiscuous_disable,
88 .allmulticast_enable = avf_dev_allmulticast_enable,
89 .allmulticast_disable = avf_dev_allmulticast_disable,
90 .mac_addr_add = avf_dev_add_mac_addr,
91 .mac_addr_remove = avf_dev_del_mac_addr,
92 .vlan_filter_set = avf_dev_vlan_filter_set,
93 .vlan_offload_set = avf_dev_vlan_offload_set,
94 .rx_queue_start = avf_dev_rx_queue_start,
95 .rx_queue_stop = avf_dev_rx_queue_stop,
96 .tx_queue_start = avf_dev_tx_queue_start,
97 .tx_queue_stop = avf_dev_tx_queue_stop,
98 .rx_queue_setup = avf_dev_rx_queue_setup,
99 .rx_queue_release = avf_dev_rx_queue_release,
100 .tx_queue_setup = avf_dev_tx_queue_setup,
101 .tx_queue_release = avf_dev_tx_queue_release,
102 .mac_addr_set = avf_dev_set_default_mac_addr,
103 .reta_update = avf_dev_rss_reta_update,
104 .reta_query = avf_dev_rss_reta_query,
105 .rss_hash_update = avf_dev_rss_hash_update,
106 .rss_hash_conf_get = avf_dev_rss_hash_conf_get,
110 avf_dev_configure(struct rte_eth_dev *dev)
112 struct avf_adapter *ad =
113 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
114 struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(ad);
115 struct rte_eth_conf *dev_conf = &dev->data->dev_conf;
117 /* Vlan stripping setting */
118 if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN) {
119 if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
120 avf_enable_vlan_strip(ad);
122 avf_disable_vlan_strip(ad);
128 avf_init_rss(struct avf_adapter *adapter)
130 struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
131 struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(adapter);
132 struct rte_eth_rss_conf *rss_conf;
136 rss_conf = &adapter->eth_dev->data->dev_conf.rx_adv_conf.rss_conf;
137 nb_q = RTE_MIN(adapter->eth_dev->data->nb_rx_queues,
140 if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF)) {
141 PMD_DRV_LOG(DEBUG, "RSS is not supported");
144 if (adapter->eth_dev->data->dev_conf.rxmode.mq_mode != ETH_MQ_RX_RSS) {
145 PMD_DRV_LOG(WARNING, "RSS is enabled by PF by default");
146 /* set all lut items to default queue */
147 for (i = 0; i < vf->vf_res->rss_lut_size; i++)
149 ret = avf_configure_rss_lut(adapter);
153 /* In AVF, RSS enablement is set by PF driver. It is not supported
154 * to set based on rss_conf->rss_hf.
157 /* configure RSS key */
158 if (!rss_conf->rss_key) {
159 /* Calculate the default hash key */
160 for (i = 0; i <= vf->vf_res->rss_key_size; i++)
161 vf->rss_key[i] = (uint8_t)rte_rand();
163 rte_memcpy(vf->rss_key, rss_conf->rss_key,
164 RTE_MIN(rss_conf->rss_key_len,
165 vf->vf_res->rss_key_size));
167 /* init RSS LUT table */
168 for (i = 0; i < vf->vf_res->rss_lut_size; i++, j++) {
173 /* send virtchnnl ops to configure rss*/
174 ret = avf_configure_rss_lut(adapter);
177 ret = avf_configure_rss_key(adapter);
185 avf_init_rxq(struct rte_eth_dev *dev, struct avf_rx_queue *rxq)
187 struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
188 struct rte_eth_dev_data *dev_data = dev->data;
189 uint16_t buf_size, max_pkt_len, len;
191 buf_size = rte_pktmbuf_data_room_size(rxq->mp) - RTE_PKTMBUF_HEADROOM;
193 /* Calculate the maximum packet length allowed */
194 len = rxq->rx_buf_len * AVF_MAX_CHAINED_RX_BUFFERS;
195 max_pkt_len = RTE_MIN(len, dev->data->dev_conf.rxmode.max_rx_pkt_len);
197 /* Check if the jumbo frame and maximum packet length are set
200 if (dev->data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
201 if (max_pkt_len <= ETHER_MAX_LEN ||
202 max_pkt_len > AVF_FRAME_SIZE_MAX) {
203 PMD_DRV_LOG(ERR, "maximum packet length must be "
204 "larger than %u and smaller than %u, "
205 "as jumbo frame is enabled",
206 (uint32_t)ETHER_MAX_LEN,
207 (uint32_t)AVF_FRAME_SIZE_MAX);
211 if (max_pkt_len < ETHER_MIN_LEN ||
212 max_pkt_len > ETHER_MAX_LEN) {
213 PMD_DRV_LOG(ERR, "maximum packet length must be "
214 "larger than %u and smaller than %u, "
215 "as jumbo frame is disabled",
216 (uint32_t)ETHER_MIN_LEN,
217 (uint32_t)ETHER_MAX_LEN);
222 rxq->max_pkt_len = max_pkt_len;
223 if ((dev_data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_SCATTER) ||
224 (rxq->max_pkt_len + 2 * AVF_VLAN_TAG_SIZE) > buf_size) {
225 dev_data->scattered_rx = 1;
227 AVF_PCI_REG_WRITE(rxq->qrx_tail, rxq->nb_rx_desc - 1);
234 avf_init_queues(struct rte_eth_dev *dev)
236 struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
237 struct avf_rx_queue **rxq =
238 (struct avf_rx_queue **)dev->data->rx_queues;
239 struct avf_tx_queue **txq =
240 (struct avf_tx_queue **)dev->data->tx_queues;
241 int i, ret = AVF_SUCCESS;
243 for (i = 0; i < dev->data->nb_rx_queues; i++) {
244 if (!rxq[i] || !rxq[i]->q_set)
246 ret = avf_init_rxq(dev, rxq[i]);
247 if (ret != AVF_SUCCESS)
250 /* set rx/tx function to vector/scatter/single-segment
251 * according to parameters
253 avf_set_rx_function(dev);
254 avf_set_tx_function(dev);
260 avf_start_queues(struct rte_eth_dev *dev)
262 struct avf_rx_queue *rxq;
263 struct avf_tx_queue *txq;
266 for (i = 0; i < dev->data->nb_tx_queues; i++) {
267 txq = dev->data->tx_queues[i];
268 if (txq->tx_deferred_start)
270 if (avf_dev_tx_queue_start(dev, i) != 0) {
271 PMD_DRV_LOG(ERR, "Fail to start queue %u", i);
276 for (i = 0; i < dev->data->nb_rx_queues; i++) {
277 rxq = dev->data->rx_queues[i];
278 if (rxq->rx_deferred_start)
280 if (avf_dev_rx_queue_start(dev, i) != 0) {
281 PMD_DRV_LOG(ERR, "Fail to start queue %u", i);
290 avf_dev_start(struct rte_eth_dev *dev)
292 struct avf_adapter *adapter =
293 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
294 struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
295 struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
296 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
297 struct rte_intr_handle *intr_handle = dev->intr_handle;
301 PMD_INIT_FUNC_TRACE();
303 hw->adapter_stopped = 0;
305 vf->max_pkt_len = dev->data->dev_conf.rxmode.max_rx_pkt_len;
306 vf->num_queue_pairs = RTE_MAX(dev->data->nb_rx_queues,
307 dev->data->nb_tx_queues);
309 /* TODO: Rx interrupt */
311 if (avf_init_queues(dev) != 0) {
312 PMD_DRV_LOG(ERR, "failed to do Queue init");
316 if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
317 if (avf_init_rss(adapter) != 0) {
318 PMD_DRV_LOG(ERR, "configure rss failed");
323 if (avf_configure_queues(adapter) != 0) {
324 PMD_DRV_LOG(ERR, "configure queues failed");
328 /* Map interrupt for writeback */
330 if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_WB_ON_ITR) {
331 /* If WB_ON_ITR supports, enable it */
332 vf->msix_base = AVF_RX_VEC_START;
333 AVF_WRITE_REG(hw, AVFINT_DYN_CTLN1(vf->msix_base - 1),
334 AVFINT_DYN_CTLN1_ITR_INDX_MASK |
335 AVFINT_DYN_CTLN1_WB_ON_ITR_MASK);
337 /* If no WB_ON_ITR offload flags, need to set interrupt for
338 * descriptor write back.
340 vf->msix_base = AVF_MISC_VEC_ID;
343 interval = avf_calc_itr_interval(AVF_QUEUE_ITR_INTERVAL_MAX);
344 AVF_WRITE_REG(hw, AVFINT_DYN_CTL01,
345 AVFINT_DYN_CTL01_INTENA_MASK |
346 (AVF_ITR_INDEX_DEFAULT <<
347 AVFINT_DYN_CTL01_ITR_INDX_SHIFT) |
348 (interval << AVFINT_DYN_CTL01_INTERVAL_SHIFT));
351 /* map all queues to the same interrupt */
352 for (i = 0; i < dev->data->nb_rx_queues; i++)
353 vf->rxq_map[0] |= 1 << i;
354 if (avf_config_irq_map(adapter)) {
355 PMD_DRV_LOG(ERR, "config interrupt mapping failed");
359 /* Set all mac addrs */
360 avf_add_del_all_mac_addr(adapter, TRUE);
362 if (avf_start_queues(dev) != 0) {
363 PMD_DRV_LOG(ERR, "enable queues failed");
367 /* TODO: enable interrupt for RX interrupt */
371 avf_add_del_all_mac_addr(adapter, FALSE);
378 avf_dev_stop(struct rte_eth_dev *dev)
380 struct avf_adapter *adapter =
381 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
382 struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(dev);
385 PMD_INIT_FUNC_TRACE();
387 if (hw->adapter_stopped == 1)
390 avf_stop_queues(dev);
392 /*TODO: Disable the interrupt for Rx*/
394 /* TODO: Rx interrupt vector mapping free */
396 /* remove all mac addrs */
397 avf_add_del_all_mac_addr(adapter, FALSE);
398 hw->adapter_stopped = 1;
402 avf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
404 struct avf_adapter *adapter =
405 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
406 struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
408 memset(dev_info, 0, sizeof(*dev_info));
409 dev_info->pci_dev = RTE_ETH_DEV_TO_PCI(dev);
410 dev_info->max_rx_queues = vf->vsi_res->num_queue_pairs;
411 dev_info->max_tx_queues = vf->vsi_res->num_queue_pairs;
412 dev_info->min_rx_bufsize = AVF_BUF_SIZE_MIN;
413 dev_info->max_rx_pktlen = AVF_FRAME_SIZE_MAX;
414 dev_info->hash_key_size = vf->vf_res->rss_key_size;
415 dev_info->reta_size = vf->vf_res->rss_lut_size;
416 dev_info->flow_type_rss_offloads = AVF_RSS_OFFLOAD_ALL;
417 dev_info->max_mac_addrs = AVF_NUM_MACADDR_MAX;
418 dev_info->rx_offload_capa =
419 DEV_RX_OFFLOAD_VLAN_STRIP |
420 DEV_RX_OFFLOAD_IPV4_CKSUM |
421 DEV_RX_OFFLOAD_UDP_CKSUM |
422 DEV_RX_OFFLOAD_TCP_CKSUM;
423 dev_info->tx_offload_capa =
424 DEV_TX_OFFLOAD_VLAN_INSERT |
425 DEV_TX_OFFLOAD_IPV4_CKSUM |
426 DEV_TX_OFFLOAD_UDP_CKSUM |
427 DEV_TX_OFFLOAD_TCP_CKSUM |
428 DEV_TX_OFFLOAD_SCTP_CKSUM |
429 DEV_TX_OFFLOAD_TCP_TSO;
431 dev_info->default_rxconf = (struct rte_eth_rxconf) {
432 .rx_free_thresh = AVF_DEFAULT_RX_FREE_THRESH,
436 dev_info->default_txconf = (struct rte_eth_txconf) {
437 .tx_free_thresh = AVF_DEFAULT_TX_FREE_THRESH,
438 .tx_rs_thresh = AVF_DEFAULT_TX_RS_THRESH,
439 .txq_flags = ETH_TXQ_FLAGS_NOMULTSEGS |
440 ETH_TXQ_FLAGS_NOOFFLOADS,
443 dev_info->rx_desc_lim = (struct rte_eth_desc_lim) {
444 .nb_max = AVF_MAX_RING_DESC,
445 .nb_min = AVF_MIN_RING_DESC,
446 .nb_align = AVF_ALIGN_RING_DESC,
449 dev_info->tx_desc_lim = (struct rte_eth_desc_lim) {
450 .nb_max = AVF_MAX_RING_DESC,
451 .nb_min = AVF_MIN_RING_DESC,
452 .nb_align = AVF_ALIGN_RING_DESC,
456 static const uint32_t *
457 avf_dev_supported_ptypes_get(struct rte_eth_dev *dev)
459 static const uint32_t ptypes[] = {
461 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
464 RTE_PTYPE_L4_NONFRAG,
474 avf_dev_link_update(struct rte_eth_dev *dev,
475 __rte_unused int wait_to_complete)
477 struct rte_eth_link new_link;
478 struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
480 /* Only read status info stored in VF, and the info is updated
481 * when receive LINK_CHANGE evnet from PF by Virtchnnl.
483 switch (vf->link_speed) {
484 case VIRTCHNL_LINK_SPEED_100MB:
485 new_link.link_speed = ETH_SPEED_NUM_100M;
487 case VIRTCHNL_LINK_SPEED_1GB:
488 new_link.link_speed = ETH_SPEED_NUM_1G;
490 case VIRTCHNL_LINK_SPEED_10GB:
491 new_link.link_speed = ETH_SPEED_NUM_10G;
493 case VIRTCHNL_LINK_SPEED_20GB:
494 new_link.link_speed = ETH_SPEED_NUM_20G;
496 case VIRTCHNL_LINK_SPEED_25GB:
497 new_link.link_speed = ETH_SPEED_NUM_25G;
499 case VIRTCHNL_LINK_SPEED_40GB:
500 new_link.link_speed = ETH_SPEED_NUM_40G;
503 new_link.link_speed = ETH_SPEED_NUM_NONE;
507 new_link.link_duplex = ETH_LINK_FULL_DUPLEX;
508 new_link.link_status = vf->link_up ? ETH_LINK_UP :
510 new_link.link_autoneg = !!(dev->data->dev_conf.link_speeds &
511 ETH_LINK_SPEED_FIXED);
513 rte_atomic64_cmpset((uint64_t *)&dev->data->dev_link,
514 *(uint64_t *)&dev->data->dev_link,
515 *(uint64_t *)&new_link);
521 avf_dev_promiscuous_enable(struct rte_eth_dev *dev)
523 struct avf_adapter *adapter =
524 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
525 struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
528 if (vf->promisc_unicast_enabled)
531 ret = avf_config_promisc(adapter, TRUE, vf->promisc_multicast_enabled);
533 vf->promisc_unicast_enabled = TRUE;
537 avf_dev_promiscuous_disable(struct rte_eth_dev *dev)
539 struct avf_adapter *adapter =
540 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
541 struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
544 if (!vf->promisc_unicast_enabled)
547 ret = avf_config_promisc(adapter, FALSE, vf->promisc_multicast_enabled);
549 vf->promisc_unicast_enabled = FALSE;
553 avf_dev_allmulticast_enable(struct rte_eth_dev *dev)
555 struct avf_adapter *adapter =
556 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
557 struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
560 if (vf->promisc_multicast_enabled)
563 ret = avf_config_promisc(adapter, vf->promisc_unicast_enabled, TRUE);
565 vf->promisc_multicast_enabled = TRUE;
569 avf_dev_allmulticast_disable(struct rte_eth_dev *dev)
571 struct avf_adapter *adapter =
572 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
573 struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
576 if (!vf->promisc_multicast_enabled)
579 ret = avf_config_promisc(adapter, vf->promisc_unicast_enabled, FALSE);
581 vf->promisc_multicast_enabled = FALSE;
585 avf_dev_add_mac_addr(struct rte_eth_dev *dev, struct ether_addr *addr,
586 __rte_unused uint32_t index,
587 __rte_unused uint32_t pool)
589 struct avf_adapter *adapter =
590 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
591 struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
594 if (is_zero_ether_addr(addr)) {
595 PMD_DRV_LOG(ERR, "Invalid Ethernet Address");
599 err = avf_add_del_eth_addr(adapter, addr, TRUE);
601 PMD_DRV_LOG(ERR, "fail to add MAC address");
611 avf_dev_del_mac_addr(struct rte_eth_dev *dev, uint32_t index)
613 struct avf_adapter *adapter =
614 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
615 struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
616 struct ether_addr *addr;
619 addr = &dev->data->mac_addrs[index];
621 err = avf_add_del_eth_addr(adapter, addr, FALSE);
623 PMD_DRV_LOG(ERR, "fail to delete MAC address");
629 avf_dev_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
631 struct avf_adapter *adapter =
632 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
633 struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
636 if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN))
639 err = avf_add_del_vlan(adapter, vlan_id, on);
646 avf_dev_vlan_offload_set(struct rte_eth_dev *dev, int mask)
648 struct avf_adapter *adapter =
649 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
650 struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
651 struct rte_eth_conf *dev_conf = &dev->data->dev_conf;
654 if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN))
657 /* Vlan stripping setting */
658 if (mask & ETH_VLAN_STRIP_MASK) {
659 /* Enable or disable VLAN stripping */
660 if (dev_conf->rxmode.hw_vlan_strip)
661 err = avf_enable_vlan_strip(adapter);
663 err = avf_disable_vlan_strip(adapter);
672 avf_dev_rss_reta_update(struct rte_eth_dev *dev,
673 struct rte_eth_rss_reta_entry64 *reta_conf,
676 struct avf_adapter *adapter =
677 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
678 struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
680 uint16_t i, idx, shift;
683 if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
686 if (reta_size != vf->vf_res->rss_lut_size) {
687 PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
688 "(%d) doesn't match the number of hardware can "
689 "support (%d)", reta_size, vf->vf_res->rss_lut_size);
693 lut = rte_zmalloc("rss_lut", reta_size, 0);
695 PMD_DRV_LOG(ERR, "No memory can be allocated");
698 /* store the old lut table temporarily */
699 rte_memcpy(lut, vf->rss_lut, reta_size);
701 for (i = 0; i < reta_size; i++) {
702 idx = i / RTE_RETA_GROUP_SIZE;
703 shift = i % RTE_RETA_GROUP_SIZE;
704 if (reta_conf[idx].mask & (1ULL << shift))
705 lut[i] = reta_conf[idx].reta[shift];
708 rte_memcpy(vf->rss_lut, lut, reta_size);
709 /* send virtchnnl ops to configure rss*/
710 ret = avf_configure_rss_lut(adapter);
711 if (ret) /* revert back */
712 rte_memcpy(vf->rss_lut, lut, reta_size);
719 avf_dev_rss_reta_query(struct rte_eth_dev *dev,
720 struct rte_eth_rss_reta_entry64 *reta_conf,
723 struct avf_adapter *adapter =
724 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
725 struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
726 uint16_t i, idx, shift;
728 if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
731 if (reta_size != vf->vf_res->rss_lut_size) {
732 PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
733 "(%d) doesn't match the number of hardware can "
734 "support (%d)", reta_size, vf->vf_res->rss_lut_size);
738 for (i = 0; i < reta_size; i++) {
739 idx = i / RTE_RETA_GROUP_SIZE;
740 shift = i % RTE_RETA_GROUP_SIZE;
741 if (reta_conf[idx].mask & (1ULL << shift))
742 reta_conf[idx].reta[shift] = vf->rss_lut[i];
749 avf_dev_rss_hash_update(struct rte_eth_dev *dev,
750 struct rte_eth_rss_conf *rss_conf)
752 struct avf_adapter *adapter =
753 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
754 struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
756 if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
759 /* HENA setting, it is enabled by default, no change */
760 if (!rss_conf->rss_key || rss_conf->rss_key_len == 0) {
761 PMD_DRV_LOG(DEBUG, "No key to be configured");
763 } else if (rss_conf->rss_key_len != vf->vf_res->rss_key_size) {
764 PMD_DRV_LOG(ERR, "The size of hash key configured "
765 "(%d) doesn't match the size of hardware can "
766 "support (%d)", rss_conf->rss_key_len,
767 vf->vf_res->rss_key_size);
771 rte_memcpy(vf->rss_key, rss_conf->rss_key, rss_conf->rss_key_len);
773 return avf_configure_rss_key(adapter);
777 avf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
778 struct rte_eth_rss_conf *rss_conf)
780 struct avf_adapter *adapter =
781 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
782 struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
784 if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
787 /* Just set it to default value now. */
788 rss_conf->rss_hf = AVF_RSS_OFFLOAD_ALL;
790 if (!rss_conf->rss_key)
793 rss_conf->rss_key_len = vf->vf_res->rss_key_size;
794 rte_memcpy(rss_conf->rss_key, vf->rss_key, rss_conf->rss_key_len);
800 avf_dev_set_default_mac_addr(struct rte_eth_dev *dev,
801 struct ether_addr *mac_addr)
803 struct avf_adapter *adapter =
804 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
805 struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(adapter);
806 struct ether_addr *perm_addr, *old_addr;
809 old_addr = (struct ether_addr *)hw->mac.addr;
810 perm_addr = (struct ether_addr *)hw->mac.perm_addr;
812 if (is_same_ether_addr(mac_addr, old_addr))
815 /* If the MAC address is configured by host, skip the setting */
816 if (is_valid_assigned_ether_addr(perm_addr))
819 ret = avf_add_del_eth_addr(adapter, old_addr, FALSE);
821 PMD_DRV_LOG(ERR, "Fail to delete old MAC:"
822 " %02X:%02X:%02X:%02X:%02X:%02X",
823 old_addr->addr_bytes[0],
824 old_addr->addr_bytes[1],
825 old_addr->addr_bytes[2],
826 old_addr->addr_bytes[3],
827 old_addr->addr_bytes[4],
828 old_addr->addr_bytes[5]);
830 ret = avf_add_del_eth_addr(adapter, mac_addr, TRUE);
832 PMD_DRV_LOG(ERR, "Fail to add new MAC:"
833 " %02X:%02X:%02X:%02X:%02X:%02X",
834 mac_addr->addr_bytes[0],
835 mac_addr->addr_bytes[1],
836 mac_addr->addr_bytes[2],
837 mac_addr->addr_bytes[3],
838 mac_addr->addr_bytes[4],
839 mac_addr->addr_bytes[5]);
841 ether_addr_copy(mac_addr, (struct ether_addr *)hw->mac.addr);
845 avf_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
847 struct avf_adapter *adapter =
848 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
849 struct virtchnl_eth_stats *pstats = NULL;
852 ret = avf_query_stats(adapter, &pstats);
854 stats->ipackets = pstats->rx_unicast + pstats->rx_multicast +
855 pstats->rx_broadcast;
856 stats->opackets = pstats->tx_broadcast + pstats->tx_multicast +
858 stats->imissed = pstats->rx_discards;
859 stats->oerrors = pstats->tx_errors + pstats->tx_discards;
860 stats->ibytes = pstats->rx_bytes;
861 stats->obytes = pstats->tx_bytes;
863 PMD_DRV_LOG(ERR, "Get statistics failed");
869 avf_check_vf_reset_done(struct avf_hw *hw)
873 for (i = 0; i < AVF_RESET_WAIT_CNT; i++) {
874 reset = AVF_READ_REG(hw, AVFGEN_RSTAT) &
875 AVFGEN_RSTAT_VFR_STATE_MASK;
876 reset = reset >> AVFGEN_RSTAT_VFR_STATE_SHIFT;
877 if (reset == VIRTCHNL_VFR_VFACTIVE ||
878 reset == VIRTCHNL_VFR_COMPLETED)
883 if (i >= AVF_RESET_WAIT_CNT)
890 avf_init_vf(struct rte_eth_dev *dev)
893 struct avf_adapter *adapter =
894 AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
895 struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
896 struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
898 err = avf_set_mac_type(hw);
900 PMD_INIT_LOG(ERR, "set_mac_type failed: %d", err);
904 err = avf_check_vf_reset_done(hw);
906 PMD_INIT_LOG(ERR, "VF is still resetting");
910 avf_init_adminq_parameter(hw);
911 err = avf_init_adminq(hw);
913 PMD_INIT_LOG(ERR, "init_adminq failed: %d", err);
917 vf->aq_resp = rte_zmalloc("vf_aq_resp", AVF_AQ_BUF_SZ, 0);
919 PMD_INIT_LOG(ERR, "unable to allocate vf_aq_resp memory");
922 if (avf_check_api_version(adapter) != 0) {
923 PMD_INIT_LOG(ERR, "check_api version failed");
927 bufsz = sizeof(struct virtchnl_vf_resource) +
928 (AVF_MAX_VF_VSI * sizeof(struct virtchnl_vsi_resource));
929 vf->vf_res = rte_zmalloc("vf_res", bufsz, 0);
931 PMD_INIT_LOG(ERR, "unable to allocate vf_res memory");
934 if (avf_get_vf_resource(adapter) != 0) {
935 PMD_INIT_LOG(ERR, "avf_get_vf_config failed");
938 /* Allocate memort for RSS info */
939 if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
940 vf->rss_key = rte_zmalloc("rss_key",
941 vf->vf_res->rss_key_size, 0);
943 PMD_INIT_LOG(ERR, "unable to allocate rss_key memory");
946 vf->rss_lut = rte_zmalloc("rss_lut",
947 vf->vf_res->rss_lut_size, 0);
949 PMD_INIT_LOG(ERR, "unable to allocate rss_lut memory");
955 rte_free(vf->rss_key);
956 rte_free(vf->rss_lut);
958 rte_free(vf->vf_res);
961 rte_free(vf->aq_resp);
963 avf_shutdown_adminq(hw);
968 /* Enable default admin queue interrupt setting */
970 avf_enable_irq0(struct avf_hw *hw)
972 /* Enable admin queue interrupt trigger */
973 AVF_WRITE_REG(hw, AVFINT_ICR0_ENA1, AVFINT_ICR0_ENA1_ADMINQ_MASK);
975 AVF_WRITE_REG(hw, AVFINT_DYN_CTL01, AVFINT_DYN_CTL01_INTENA_MASK |
976 AVFINT_DYN_CTL01_ITR_INDX_MASK);
982 avf_disable_irq0(struct avf_hw *hw)
984 /* Disable all interrupt types */
985 AVF_WRITE_REG(hw, AVFINT_ICR0_ENA1, 0);
986 AVF_WRITE_REG(hw, AVFINT_DYN_CTL01,
987 AVFINT_DYN_CTL01_ITR_INDX_MASK);
992 avf_dev_interrupt_handler(void *param)
994 struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
995 struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
997 avf_disable_irq0(hw);
999 avf_handle_virtchnl_msg(dev);
1002 avf_enable_irq0(hw);
1006 avf_dev_init(struct rte_eth_dev *eth_dev)
1008 struct avf_adapter *adapter =
1009 AVF_DEV_PRIVATE_TO_ADAPTER(eth_dev->data->dev_private);
1010 struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(adapter);
1011 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
1013 PMD_INIT_FUNC_TRACE();
1015 /* assign ops func pointer */
1016 eth_dev->dev_ops = &avf_eth_dev_ops;
1017 eth_dev->rx_pkt_burst = &avf_recv_pkts;
1018 eth_dev->tx_pkt_burst = &avf_xmit_pkts;
1019 eth_dev->tx_pkt_prepare = &avf_prep_pkts;
1021 /* For secondary processes, we don't initialise any further as primary
1022 * has already done this work. Only check if we need a different RX
1025 if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1026 avf_set_rx_function(eth_dev);
1027 avf_set_tx_function(eth_dev);
1030 rte_eth_copy_pci_info(eth_dev, pci_dev);
1032 hw->vendor_id = pci_dev->id.vendor_id;
1033 hw->device_id = pci_dev->id.device_id;
1034 hw->subsystem_vendor_id = pci_dev->id.subsystem_vendor_id;
1035 hw->subsystem_device_id = pci_dev->id.subsystem_device_id;
1036 hw->bus.bus_id = pci_dev->addr.bus;
1037 hw->bus.device = pci_dev->addr.devid;
1038 hw->bus.func = pci_dev->addr.function;
1039 hw->hw_addr = (void *)pci_dev->mem_resource[0].addr;
1040 hw->back = AVF_DEV_PRIVATE_TO_ADAPTER(eth_dev->data->dev_private);
1041 adapter->eth_dev = eth_dev;
1043 if (avf_init_vf(eth_dev) != 0) {
1044 PMD_INIT_LOG(ERR, "Init vf failed");
1049 eth_dev->data->mac_addrs = rte_zmalloc(
1051 ETHER_ADDR_LEN * AVF_NUM_MACADDR_MAX,
1053 if (!eth_dev->data->mac_addrs) {
1054 PMD_INIT_LOG(ERR, "Failed to allocate %d bytes needed to"
1055 " store MAC addresses",
1056 ETHER_ADDR_LEN * AVF_NUM_MACADDR_MAX);
1059 /* If the MAC address is not configured by host,
1060 * generate a random one.
1062 if (!is_valid_assigned_ether_addr((struct ether_addr *)hw->mac.addr))
1063 eth_random_addr(hw->mac.addr);
1064 ether_addr_copy((struct ether_addr *)hw->mac.addr,
1065 ð_dev->data->mac_addrs[0]);
1067 /* register callback func to eal lib */
1068 rte_intr_callback_register(&pci_dev->intr_handle,
1069 avf_dev_interrupt_handler,
1072 /* enable uio intr after callback register */
1073 rte_intr_enable(&pci_dev->intr_handle);
1075 /* configure and enable device interrupt */
1076 avf_enable_irq0(hw);
1082 avf_dev_close(struct rte_eth_dev *dev)
1084 struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1085 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1086 struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1089 avf_shutdown_adminq(hw);
1090 /* disable uio intr before callback unregister */
1091 rte_intr_disable(intr_handle);
1093 /* unregister callback func from eal lib */
1094 rte_intr_callback_unregister(intr_handle,
1095 avf_dev_interrupt_handler, dev);
1096 avf_disable_irq0(hw);
1100 avf_dev_uninit(struct rte_eth_dev *dev)
1102 struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1103 struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1105 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1108 dev->dev_ops = NULL;
1109 dev->rx_pkt_burst = NULL;
1110 dev->tx_pkt_burst = NULL;
1111 if (hw->adapter_stopped == 0)
1114 rte_free(vf->vf_res);
1118 rte_free(vf->aq_resp);
1121 rte_free(dev->data->mac_addrs);
1122 dev->data->mac_addrs = NULL;
1125 rte_free(vf->rss_lut);
1129 rte_free(vf->rss_key);
1136 static int eth_avf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1137 struct rte_pci_device *pci_dev)
1139 return rte_eth_dev_pci_generic_probe(pci_dev,
1140 sizeof(struct avf_adapter), avf_dev_init);
1143 static int eth_avf_pci_remove(struct rte_pci_device *pci_dev)
1145 return rte_eth_dev_pci_generic_remove(pci_dev, avf_dev_uninit);
1148 /* Adaptive virtual function driver struct */
1149 static struct rte_pci_driver rte_avf_pmd = {
1150 .id_table = pci_id_avf_map,
1151 .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC |
1152 RTE_PCI_DRV_IOVA_AS_VA,
1153 .probe = eth_avf_pci_probe,
1154 .remove = eth_avf_pci_remove,
1157 RTE_PMD_REGISTER_PCI(net_avf, rte_avf_pmd);
1158 RTE_PMD_REGISTER_PCI_TABLE(net_avf, pci_id_avf_map);
1159 RTE_PMD_REGISTER_KMOD_DEP(net_avf, "* igb_uio | vfio-pci");
1160 RTE_INIT(avf_init_log);
1164 avf_logtype_init = rte_log_register("pmd.avf.init");
1165 if (avf_logtype_init >= 0)
1166 rte_log_set_level(avf_logtype_init, RTE_LOG_NOTICE);
1167 avf_logtype_driver = rte_log_register("pmd.avf.driver");
1168 if (avf_logtype_driver >= 0)
1169 rte_log_set_level(avf_logtype_driver, RTE_LOG_NOTICE);
1172 /* memory func for base code */
1173 enum avf_status_code
1174 avf_allocate_dma_mem_d(__rte_unused struct avf_hw *hw,
1175 struct avf_dma_mem *mem,
1179 const struct rte_memzone *mz = NULL;
1180 char z_name[RTE_MEMZONE_NAMESIZE];
1183 return AVF_ERR_PARAM;
1185 snprintf(z_name, sizeof(z_name), "avf_dma_%"PRIu64, rte_rand());
1186 mz = rte_memzone_reserve_bounded(z_name, size, SOCKET_ID_ANY, 0,
1187 alignment, RTE_PGSIZE_2M);
1189 return AVF_ERR_NO_MEMORY;
1193 mem->pa = mz->phys_addr;
1194 mem->zone = (const void *)mz;
1196 "memzone %s allocated with physical address: %"PRIu64,
1202 enum avf_status_code
1203 avf_free_dma_mem_d(__rte_unused struct avf_hw *hw,
1204 struct avf_dma_mem *mem)
1207 return AVF_ERR_PARAM;
1210 "memzone %s to be freed with physical address: %"PRIu64,
1211 ((const struct rte_memzone *)mem->zone)->name, mem->pa);
1212 rte_memzone_free((const struct rte_memzone *)mem->zone);
1220 enum avf_status_code
1221 avf_allocate_virt_mem_d(__rte_unused struct avf_hw *hw,
1222 struct avf_virt_mem *mem,
1226 return AVF_ERR_PARAM;
1229 mem->va = rte_zmalloc("avf", size, 0);
1234 return AVF_ERR_NO_MEMORY;
1237 enum avf_status_code
1238 avf_free_virt_mem_d(__rte_unused struct avf_hw *hw,
1239 struct avf_virt_mem *mem)
1242 return AVF_ERR_PARAM;