1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2014-2018 Chelsio Communications.
14 #include <netinet/in.h>
16 #include <rte_byteorder.h>
17 #include <rte_common.h>
18 #include <rte_cycles.h>
19 #include <rte_interrupts.h>
21 #include <rte_debug.h>
23 #include <rte_bus_pci.h>
24 #include <rte_atomic.h>
25 #include <rte_branch_prediction.h>
26 #include <rte_memory.h>
27 #include <rte_tailq.h>
29 #include <rte_alarm.h>
30 #include <rte_ether.h>
31 #include <rte_ethdev_driver.h>
32 #include <rte_ethdev_pci.h>
33 #include <rte_malloc.h>
34 #include <rte_random.h>
38 #include "cxgbe_pfvf.h"
39 #include "cxgbe_flow.h"
42 * Macros needed to support the PCI Device ID Table ...
44 #define CH_PCI_DEVICE_ID_TABLE_DEFINE_BEGIN \
45 static const struct rte_pci_id cxgb4_pci_tbl[] = {
46 #define CH_PCI_DEVICE_ID_FUNCTION 0x4
48 #define PCI_VENDOR_ID_CHELSIO 0x1425
50 #define CH_PCI_ID_TABLE_ENTRY(devid) \
51 { RTE_PCI_DEVICE(PCI_VENDOR_ID_CHELSIO, (devid)) }
53 #define CH_PCI_DEVICE_ID_TABLE_DEFINE_END \
58 *... and the PCI ID Table itself ...
60 #include "base/t4_pci_id_tbl.h"
62 uint16_t cxgbe_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
65 struct sge_eth_txq *txq = (struct sge_eth_txq *)tx_queue;
66 uint16_t pkts_sent, pkts_remain;
67 uint16_t total_sent = 0;
71 t4_os_lock(&txq->txq_lock);
72 /* free up desc from already completed tx */
73 reclaim_completed_tx(&txq->q);
74 if (unlikely(!nb_pkts))
77 rte_prefetch0(rte_pktmbuf_mtod(tx_pkts[0], volatile void *));
78 while (total_sent < nb_pkts) {
79 pkts_remain = nb_pkts - total_sent;
81 for (pkts_sent = 0; pkts_sent < pkts_remain; pkts_sent++) {
82 idx = total_sent + pkts_sent;
83 if ((idx + 1) < nb_pkts)
84 rte_prefetch0(rte_pktmbuf_mtod(tx_pkts[idx + 1],
86 ret = t4_eth_xmit(txq, tx_pkts[idx], nb_pkts);
92 total_sent += pkts_sent;
93 /* reclaim as much as possible */
94 reclaim_completed_tx(&txq->q);
98 t4_os_unlock(&txq->txq_lock);
102 uint16_t cxgbe_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
105 struct sge_eth_rxq *rxq = (struct sge_eth_rxq *)rx_queue;
106 unsigned int work_done;
108 if (cxgbe_poll(&rxq->rspq, rx_pkts, (unsigned int)nb_pkts, &work_done))
109 dev_err(adapter, "error in cxgbe poll\n");
114 int cxgbe_dev_info_get(struct rte_eth_dev *eth_dev,
115 struct rte_eth_dev_info *device_info)
117 struct port_info *pi = eth_dev->data->dev_private;
118 struct adapter *adapter = pi->adapter;
120 static const struct rte_eth_desc_lim cxgbe_desc_lim = {
121 .nb_max = CXGBE_MAX_RING_DESC_SIZE,
122 .nb_min = CXGBE_MIN_RING_DESC_SIZE,
126 device_info->min_rx_bufsize = CXGBE_MIN_RX_BUFSIZE;
127 device_info->max_rx_pktlen = CXGBE_MAX_RX_PKTLEN;
128 device_info->max_rx_queues = adapter->sge.max_ethqsets;
129 device_info->max_tx_queues = adapter->sge.max_ethqsets;
130 device_info->max_mac_addrs = 1;
131 /* XXX: For now we support one MAC/port */
132 device_info->max_vfs = adapter->params.arch.vfcount;
133 device_info->max_vmdq_pools = 0; /* XXX: For now no support for VMDQ */
135 device_info->rx_queue_offload_capa = 0UL;
136 device_info->rx_offload_capa = CXGBE_RX_OFFLOADS;
138 device_info->tx_queue_offload_capa = 0UL;
139 device_info->tx_offload_capa = CXGBE_TX_OFFLOADS;
141 device_info->reta_size = pi->rss_size;
142 device_info->hash_key_size = CXGBE_DEFAULT_RSS_KEY_LEN;
143 device_info->flow_type_rss_offloads = CXGBE_RSS_HF_ALL;
145 device_info->rx_desc_lim = cxgbe_desc_lim;
146 device_info->tx_desc_lim = cxgbe_desc_lim;
147 cxgbe_get_speed_caps(pi, &device_info->speed_capa);
152 int cxgbe_dev_promiscuous_enable(struct rte_eth_dev *eth_dev)
154 struct port_info *pi = eth_dev->data->dev_private;
155 struct adapter *adapter = pi->adapter;
157 return t4_set_rxmode(adapter, adapter->mbox, pi->viid, -1,
158 1, -1, 1, -1, false);
161 int cxgbe_dev_promiscuous_disable(struct rte_eth_dev *eth_dev)
163 struct port_info *pi = eth_dev->data->dev_private;
164 struct adapter *adapter = pi->adapter;
166 return t4_set_rxmode(adapter, adapter->mbox, pi->viid, -1,
167 0, -1, 1, -1, false);
170 int cxgbe_dev_allmulticast_enable(struct rte_eth_dev *eth_dev)
172 struct port_info *pi = eth_dev->data->dev_private;
173 struct adapter *adapter = pi->adapter;
175 /* TODO: address filters ?? */
177 return t4_set_rxmode(adapter, adapter->mbox, pi->viid, -1,
178 -1, 1, 1, -1, false);
181 int cxgbe_dev_allmulticast_disable(struct rte_eth_dev *eth_dev)
183 struct port_info *pi = eth_dev->data->dev_private;
184 struct adapter *adapter = pi->adapter;
186 /* TODO: address filters ?? */
188 return t4_set_rxmode(adapter, adapter->mbox, pi->viid, -1,
189 -1, 0, 1, -1, false);
192 int cxgbe_dev_link_update(struct rte_eth_dev *eth_dev,
193 int wait_to_complete)
195 struct port_info *pi = eth_dev->data->dev_private;
196 struct adapter *adapter = pi->adapter;
197 struct sge *s = &adapter->sge;
198 struct rte_eth_link new_link = { 0 };
199 unsigned int i, work_done, budget = 32;
200 u8 old_link = pi->link_cfg.link_ok;
202 for (i = 0; i < CXGBE_LINK_STATUS_POLL_CNT; i++) {
203 if (!s->fw_evtq.desc)
206 cxgbe_poll(&s->fw_evtq, NULL, budget, &work_done);
208 /* Exit if link status changed or always forced up */
209 if (pi->link_cfg.link_ok != old_link ||
210 cxgbe_force_linkup(adapter))
213 if (!wait_to_complete)
216 rte_delay_ms(CXGBE_LINK_STATUS_POLL_MS);
219 new_link.link_status = cxgbe_force_linkup(adapter) ?
220 ETH_LINK_UP : pi->link_cfg.link_ok;
221 new_link.link_autoneg = pi->link_cfg.autoneg;
222 new_link.link_duplex = ETH_LINK_FULL_DUPLEX;
223 new_link.link_speed = pi->link_cfg.speed;
225 return rte_eth_linkstatus_set(eth_dev, &new_link);
229 * Set device link up.
231 int cxgbe_dev_set_link_up(struct rte_eth_dev *dev)
233 struct port_info *pi = dev->data->dev_private;
234 struct adapter *adapter = pi->adapter;
235 unsigned int work_done, budget = 32;
236 struct sge *s = &adapter->sge;
239 if (!s->fw_evtq.desc)
242 /* Flush all link events */
243 cxgbe_poll(&s->fw_evtq, NULL, budget, &work_done);
245 /* If link already up, nothing to do */
246 if (pi->link_cfg.link_ok)
249 ret = cxgbe_set_link_status(pi, true);
253 cxgbe_dev_link_update(dev, 1);
258 * Set device link down.
260 int cxgbe_dev_set_link_down(struct rte_eth_dev *dev)
262 struct port_info *pi = dev->data->dev_private;
263 struct adapter *adapter = pi->adapter;
264 unsigned int work_done, budget = 32;
265 struct sge *s = &adapter->sge;
268 if (!s->fw_evtq.desc)
271 /* Flush all link events */
272 cxgbe_poll(&s->fw_evtq, NULL, budget, &work_done);
274 /* If link already down, nothing to do */
275 if (!pi->link_cfg.link_ok)
278 ret = cxgbe_set_link_status(pi, false);
282 cxgbe_dev_link_update(dev, 0);
286 int cxgbe_dev_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
288 struct port_info *pi = eth_dev->data->dev_private;
289 struct adapter *adapter = pi->adapter;
290 struct rte_eth_dev_info dev_info;
292 uint16_t new_mtu = mtu + RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN;
294 err = cxgbe_dev_info_get(eth_dev, &dev_info);
298 /* Must accommodate at least RTE_ETHER_MIN_MTU */
299 if (new_mtu < RTE_ETHER_MIN_MTU || new_mtu > dev_info.max_rx_pktlen)
302 /* set to jumbo mode if needed */
303 if (new_mtu > RTE_ETHER_MAX_LEN)
304 eth_dev->data->dev_conf.rxmode.offloads |=
305 DEV_RX_OFFLOAD_JUMBO_FRAME;
307 eth_dev->data->dev_conf.rxmode.offloads &=
308 ~DEV_RX_OFFLOAD_JUMBO_FRAME;
310 err = t4_set_rxmode(adapter, adapter->mbox, pi->viid, new_mtu, -1, -1,
313 eth_dev->data->dev_conf.rxmode.max_rx_pkt_len = new_mtu;
321 int cxgbe_dev_close(struct rte_eth_dev *eth_dev)
323 struct port_info *temp_pi, *pi = eth_dev->data->dev_private;
324 struct adapter *adapter = pi->adapter;
329 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
332 if (!(adapter->flags & FULL_INIT_DONE))
339 t4_sge_eth_release_queues(pi);
340 t4_free_vi(adapter, adapter->mbox, adapter->pf, 0, pi->viid);
343 /* Free up the adapter-wide resources only after all the ports
344 * under this PF have been closed.
346 for_each_port(adapter, i) {
347 temp_pi = adap2pinfo(adapter, i);
352 cxgbe_close(adapter);
359 * It returns 0 on success.
361 int cxgbe_dev_start(struct rte_eth_dev *eth_dev)
363 struct port_info *pi = eth_dev->data->dev_private;
364 struct rte_eth_rxmode *rx_conf = ð_dev->data->dev_conf.rxmode;
365 struct adapter *adapter = pi->adapter;
371 * If we don't have a connection to the firmware there's nothing we
374 if (!(adapter->flags & FW_OK)) {
379 if (!(adapter->flags & FULL_INIT_DONE)) {
380 err = cxgbe_up(adapter);
385 if (rx_conf->offloads & DEV_RX_OFFLOAD_SCATTER)
386 eth_dev->data->scattered_rx = 1;
388 eth_dev->data->scattered_rx = 0;
390 cxgbe_enable_rx_queues(pi);
392 err = cxgbe_setup_rss(pi);
396 for (i = 0; i < pi->n_tx_qsets; i++) {
397 err = cxgbe_dev_tx_queue_start(eth_dev, i);
402 for (i = 0; i < pi->n_rx_qsets; i++) {
403 err = cxgbe_dev_rx_queue_start(eth_dev, i);
408 err = cxgbe_link_start(pi);
417 * Stop device: disable rx and tx functions to allow for reconfiguring.
419 void cxgbe_dev_stop(struct rte_eth_dev *eth_dev)
421 struct port_info *pi = eth_dev->data->dev_private;
422 struct adapter *adapter = pi->adapter;
426 if (!(adapter->flags & FULL_INIT_DONE))
432 * We clear queues only if both tx and rx path of the port
435 t4_sge_eth_clear_queues(pi);
436 eth_dev->data->scattered_rx = 0;
439 int cxgbe_dev_configure(struct rte_eth_dev *eth_dev)
441 struct port_info *pi = eth_dev->data->dev_private;
442 struct adapter *adapter = pi->adapter;
447 if (eth_dev->data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG)
448 eth_dev->data->dev_conf.rxmode.offloads |=
449 DEV_RX_OFFLOAD_RSS_HASH;
451 if (!(adapter->flags & FW_QUEUE_BOUND)) {
452 err = cxgbe_setup_sge_fwevtq(adapter);
455 adapter->flags |= FW_QUEUE_BOUND;
456 if (is_pf4(adapter)) {
457 err = cxgbe_setup_sge_ctrl_txq(adapter);
463 err = cxgbe_cfg_queue_count(eth_dev);
470 int cxgbe_dev_tx_queue_start(struct rte_eth_dev *eth_dev, uint16_t tx_queue_id)
473 struct sge_eth_txq *txq = (struct sge_eth_txq *)
474 (eth_dev->data->tx_queues[tx_queue_id]);
476 dev_debug(NULL, "%s: tx_queue_id = %d\n", __func__, tx_queue_id);
478 ret = t4_sge_eth_txq_start(txq);
480 eth_dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
485 int cxgbe_dev_tx_queue_stop(struct rte_eth_dev *eth_dev, uint16_t tx_queue_id)
488 struct sge_eth_txq *txq = (struct sge_eth_txq *)
489 (eth_dev->data->tx_queues[tx_queue_id]);
491 dev_debug(NULL, "%s: tx_queue_id = %d\n", __func__, tx_queue_id);
493 ret = t4_sge_eth_txq_stop(txq);
495 eth_dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
500 int cxgbe_dev_tx_queue_setup(struct rte_eth_dev *eth_dev,
501 uint16_t queue_idx, uint16_t nb_desc,
502 unsigned int socket_id,
503 const struct rte_eth_txconf *tx_conf __rte_unused)
505 struct port_info *pi = eth_dev->data->dev_private;
506 struct adapter *adapter = pi->adapter;
507 struct sge *s = &adapter->sge;
508 unsigned int temp_nb_desc;
509 struct sge_eth_txq *txq;
512 txq = &s->ethtxq[pi->first_txqset + queue_idx];
513 dev_debug(adapter, "%s: eth_dev->data->nb_tx_queues = %d; queue_idx = %d; nb_desc = %d; socket_id = %d; pi->first_qset = %u\n",
514 __func__, eth_dev->data->nb_tx_queues, queue_idx, nb_desc,
515 socket_id, pi->first_txqset);
517 /* Free up the existing queue */
518 if (eth_dev->data->tx_queues[queue_idx]) {
519 cxgbe_dev_tx_queue_release(eth_dev->data->tx_queues[queue_idx]);
520 eth_dev->data->tx_queues[queue_idx] = NULL;
523 eth_dev->data->tx_queues[queue_idx] = (void *)txq;
527 * nb_desc should be > 1023 and <= CXGBE_MAX_RING_DESC_SIZE
529 temp_nb_desc = nb_desc;
530 if (nb_desc < CXGBE_MIN_RING_DESC_SIZE) {
531 dev_warn(adapter, "%s: number of descriptors must be >= %d. Using default [%d]\n",
532 __func__, CXGBE_MIN_RING_DESC_SIZE,
533 CXGBE_DEFAULT_TX_DESC_SIZE);
534 temp_nb_desc = CXGBE_DEFAULT_TX_DESC_SIZE;
535 } else if (nb_desc > CXGBE_MAX_RING_DESC_SIZE) {
536 dev_err(adapter, "%s: number of descriptors must be between %d and %d inclusive. Default [%d]\n",
537 __func__, CXGBE_MIN_RING_DESC_SIZE,
538 CXGBE_MAX_RING_DESC_SIZE, CXGBE_DEFAULT_TX_DESC_SIZE);
542 txq->q.size = temp_nb_desc;
544 err = t4_sge_alloc_eth_txq(adapter, txq, eth_dev, queue_idx,
545 s->fw_evtq.cntxt_id, socket_id);
547 dev_debug(adapter, "%s: txq->q.cntxt_id= %u txq->q.abs_id= %u err = %d\n",
548 __func__, txq->q.cntxt_id, txq->q.abs_id, err);
552 void cxgbe_dev_tx_queue_release(void *q)
554 struct sge_eth_txq *txq = (struct sge_eth_txq *)q;
557 struct port_info *pi = (struct port_info *)
558 (txq->eth_dev->data->dev_private);
559 struct adapter *adap = pi->adapter;
561 dev_debug(adapter, "%s: pi->port_id = %d; tx_queue_id = %d\n",
562 __func__, pi->port_id, txq->q.cntxt_id);
564 t4_sge_eth_txq_release(adap, txq);
568 int cxgbe_dev_rx_queue_start(struct rte_eth_dev *eth_dev, uint16_t rx_queue_id)
570 struct port_info *pi = eth_dev->data->dev_private;
571 struct adapter *adap = pi->adapter;
572 struct sge_eth_rxq *rxq;
575 dev_debug(adapter, "%s: pi->port_id = %d; rx_queue_id = %d\n",
576 __func__, pi->port_id, rx_queue_id);
578 rxq = eth_dev->data->rx_queues[rx_queue_id];
579 ret = t4_sge_eth_rxq_start(adap, rxq);
581 eth_dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
586 int cxgbe_dev_rx_queue_stop(struct rte_eth_dev *eth_dev, uint16_t rx_queue_id)
588 struct port_info *pi = eth_dev->data->dev_private;
589 struct adapter *adap = pi->adapter;
590 struct sge_eth_rxq *rxq;
593 dev_debug(adapter, "%s: pi->port_id = %d; rx_queue_id = %d\n",
594 __func__, pi->port_id, rx_queue_id);
596 rxq = eth_dev->data->rx_queues[rx_queue_id];
597 ret = t4_sge_eth_rxq_stop(adap, rxq);
599 eth_dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
604 int cxgbe_dev_rx_queue_setup(struct rte_eth_dev *eth_dev,
605 uint16_t queue_idx, uint16_t nb_desc,
606 unsigned int socket_id,
607 const struct rte_eth_rxconf *rx_conf __rte_unused,
608 struct rte_mempool *mp)
610 unsigned int pkt_len = eth_dev->data->dev_conf.rxmode.max_rx_pkt_len;
611 struct port_info *pi = eth_dev->data->dev_private;
612 struct adapter *adapter = pi->adapter;
613 struct rte_eth_dev_info dev_info;
614 struct sge *s = &adapter->sge;
615 unsigned int temp_nb_desc;
616 int err = 0, msi_idx = 0;
617 struct sge_eth_rxq *rxq;
619 rxq = &s->ethrxq[pi->first_rxqset + queue_idx];
620 dev_debug(adapter, "%s: eth_dev->data->nb_rx_queues = %d; queue_idx = %d; nb_desc = %d; socket_id = %d; mp = %p\n",
621 __func__, eth_dev->data->nb_rx_queues, queue_idx, nb_desc,
624 err = cxgbe_dev_info_get(eth_dev, &dev_info);
626 dev_err(adap, "%s: error during getting ethernet device info",
631 /* Must accommodate at least RTE_ETHER_MIN_MTU */
632 if ((pkt_len < dev_info.min_rx_bufsize) ||
633 (pkt_len > dev_info.max_rx_pktlen)) {
634 dev_err(adap, "%s: max pkt len must be > %d and <= %d\n",
635 __func__, dev_info.min_rx_bufsize,
636 dev_info.max_rx_pktlen);
640 /* Free up the existing queue */
641 if (eth_dev->data->rx_queues[queue_idx]) {
642 cxgbe_dev_rx_queue_release(eth_dev->data->rx_queues[queue_idx]);
643 eth_dev->data->rx_queues[queue_idx] = NULL;
646 eth_dev->data->rx_queues[queue_idx] = (void *)rxq;
650 * nb_desc should be > 0 and <= CXGBE_MAX_RING_DESC_SIZE
652 temp_nb_desc = nb_desc;
653 if (nb_desc < CXGBE_MIN_RING_DESC_SIZE) {
654 dev_warn(adapter, "%s: number of descriptors must be >= %d. Using default [%d]\n",
655 __func__, CXGBE_MIN_RING_DESC_SIZE,
656 CXGBE_DEFAULT_RX_DESC_SIZE);
657 temp_nb_desc = CXGBE_DEFAULT_RX_DESC_SIZE;
658 } else if (nb_desc > CXGBE_MAX_RING_DESC_SIZE) {
659 dev_err(adapter, "%s: number of descriptors must be between %d and %d inclusive. Default [%d]\n",
660 __func__, CXGBE_MIN_RING_DESC_SIZE,
661 CXGBE_MAX_RING_DESC_SIZE, CXGBE_DEFAULT_RX_DESC_SIZE);
665 rxq->rspq.size = temp_nb_desc;
666 if ((&rxq->fl) != NULL)
667 rxq->fl.size = temp_nb_desc;
669 /* Set to jumbo mode if necessary */
670 if (pkt_len > RTE_ETHER_MAX_LEN)
671 eth_dev->data->dev_conf.rxmode.offloads |=
672 DEV_RX_OFFLOAD_JUMBO_FRAME;
674 eth_dev->data->dev_conf.rxmode.offloads &=
675 ~DEV_RX_OFFLOAD_JUMBO_FRAME;
677 err = t4_sge_alloc_rxq(adapter, &rxq->rspq, false, eth_dev, msi_idx,
680 t4_get_tp_ch_map(adapter, pi->tx_chan) : 0, mp,
681 queue_idx, socket_id);
683 dev_debug(adapter, "%s: err = %d; port_id = %d; cntxt_id = %u; abs_id = %u\n",
684 __func__, err, pi->port_id, rxq->rspq.cntxt_id,
689 void cxgbe_dev_rx_queue_release(void *q)
691 struct sge_eth_rxq *rxq = (struct sge_eth_rxq *)q;
694 struct port_info *pi = (struct port_info *)
695 (rxq->rspq.eth_dev->data->dev_private);
696 struct adapter *adap = pi->adapter;
698 dev_debug(adapter, "%s: pi->port_id = %d; rx_queue_id = %d\n",
699 __func__, pi->port_id, rxq->rspq.cntxt_id);
701 t4_sge_eth_rxq_release(adap, rxq);
706 * Get port statistics.
708 static int cxgbe_dev_stats_get(struct rte_eth_dev *eth_dev,
709 struct rte_eth_stats *eth_stats)
711 struct port_info *pi = eth_dev->data->dev_private;
712 struct adapter *adapter = pi->adapter;
713 struct sge *s = &adapter->sge;
714 struct port_stats ps;
717 cxgbe_stats_get(pi, &ps);
720 eth_stats->imissed = ps.rx_ovflow0 + ps.rx_ovflow1 +
721 ps.rx_ovflow2 + ps.rx_ovflow3 +
722 ps.rx_trunc0 + ps.rx_trunc1 +
723 ps.rx_trunc2 + ps.rx_trunc3;
724 eth_stats->ierrors = ps.rx_symbol_err + ps.rx_fcs_err +
725 ps.rx_jabber + ps.rx_too_long + ps.rx_runt +
729 eth_stats->opackets = ps.tx_frames;
730 eth_stats->obytes = ps.tx_octets;
731 eth_stats->oerrors = ps.tx_error_frames;
733 for (i = 0; i < pi->n_rx_qsets; i++) {
734 struct sge_eth_rxq *rxq =
735 &s->ethrxq[pi->first_rxqset + i];
737 eth_stats->q_ipackets[i] = rxq->stats.pkts;
738 eth_stats->q_ibytes[i] = rxq->stats.rx_bytes;
739 eth_stats->ipackets += eth_stats->q_ipackets[i];
740 eth_stats->ibytes += eth_stats->q_ibytes[i];
743 for (i = 0; i < pi->n_tx_qsets; i++) {
744 struct sge_eth_txq *txq =
745 &s->ethtxq[pi->first_txqset + i];
747 eth_stats->q_opackets[i] = txq->stats.pkts;
748 eth_stats->q_obytes[i] = txq->stats.tx_bytes;
754 * Reset port statistics.
756 static int cxgbe_dev_stats_reset(struct rte_eth_dev *eth_dev)
758 struct port_info *pi = eth_dev->data->dev_private;
759 struct adapter *adapter = pi->adapter;
760 struct sge *s = &adapter->sge;
763 cxgbe_stats_reset(pi);
764 for (i = 0; i < pi->n_rx_qsets; i++) {
765 struct sge_eth_rxq *rxq =
766 &s->ethrxq[pi->first_rxqset + i];
769 rxq->stats.rx_bytes = 0;
771 for (i = 0; i < pi->n_tx_qsets; i++) {
772 struct sge_eth_txq *txq =
773 &s->ethtxq[pi->first_txqset + i];
776 txq->stats.tx_bytes = 0;
777 txq->stats.mapping_err = 0;
783 static int cxgbe_flow_ctrl_get(struct rte_eth_dev *eth_dev,
784 struct rte_eth_fc_conf *fc_conf)
786 struct port_info *pi = eth_dev->data->dev_private;
787 struct link_config *lc = &pi->link_cfg;
788 int rx_pause, tx_pause;
790 fc_conf->autoneg = lc->fc & PAUSE_AUTONEG;
791 rx_pause = lc->fc & PAUSE_RX;
792 tx_pause = lc->fc & PAUSE_TX;
794 if (rx_pause && tx_pause)
795 fc_conf->mode = RTE_FC_FULL;
797 fc_conf->mode = RTE_FC_RX_PAUSE;
799 fc_conf->mode = RTE_FC_TX_PAUSE;
801 fc_conf->mode = RTE_FC_NONE;
805 static int cxgbe_flow_ctrl_set(struct rte_eth_dev *eth_dev,
806 struct rte_eth_fc_conf *fc_conf)
808 struct port_info *pi = eth_dev->data->dev_private;
809 struct adapter *adapter = pi->adapter;
810 struct link_config *lc = &pi->link_cfg;
812 if (lc->pcaps & FW_PORT_CAP32_ANEG) {
813 if (fc_conf->autoneg)
814 lc->requested_fc |= PAUSE_AUTONEG;
816 lc->requested_fc &= ~PAUSE_AUTONEG;
819 if (((fc_conf->mode & RTE_FC_FULL) == RTE_FC_FULL) ||
820 (fc_conf->mode & RTE_FC_RX_PAUSE))
821 lc->requested_fc |= PAUSE_RX;
823 lc->requested_fc &= ~PAUSE_RX;
825 if (((fc_conf->mode & RTE_FC_FULL) == RTE_FC_FULL) ||
826 (fc_conf->mode & RTE_FC_TX_PAUSE))
827 lc->requested_fc |= PAUSE_TX;
829 lc->requested_fc &= ~PAUSE_TX;
831 return t4_link_l1cfg(adapter, adapter->mbox, pi->tx_chan,
836 cxgbe_dev_supported_ptypes_get(struct rte_eth_dev *eth_dev)
838 static const uint32_t ptypes[] = {
844 if (eth_dev->rx_pkt_burst == cxgbe_recv_pkts)
849 /* Update RSS hash configuration
851 static int cxgbe_dev_rss_hash_update(struct rte_eth_dev *dev,
852 struct rte_eth_rss_conf *rss_conf)
854 struct port_info *pi = dev->data->dev_private;
855 struct adapter *adapter = pi->adapter;
858 err = cxgbe_write_rss_conf(pi, rss_conf->rss_hf);
862 pi->rss_hf = rss_conf->rss_hf;
864 if (rss_conf->rss_key) {
865 u32 key[10], mod_key[10];
868 memcpy(key, rss_conf->rss_key, CXGBE_DEFAULT_RSS_KEY_LEN);
870 for (i = 9, j = 0; i >= 0; i--, j++)
871 mod_key[j] = cpu_to_be32(key[i]);
873 t4_write_rss_key(adapter, mod_key, -1);
879 /* Get RSS hash configuration
881 static int cxgbe_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
882 struct rte_eth_rss_conf *rss_conf)
884 struct port_info *pi = dev->data->dev_private;
885 struct adapter *adapter = pi->adapter;
890 err = t4_read_config_vi_rss(adapter, adapter->mbox, pi->viid,
896 if (flags & F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN) {
897 rss_hf |= CXGBE_RSS_HF_TCP_IPV6_MASK;
898 if (flags & F_FW_RSS_VI_CONFIG_CMD_UDPEN)
899 rss_hf |= CXGBE_RSS_HF_UDP_IPV6_MASK;
902 if (flags & F_FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN)
903 rss_hf |= CXGBE_RSS_HF_IPV6_MASK;
905 if (flags & F_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN) {
906 rss_hf |= ETH_RSS_NONFRAG_IPV4_TCP;
907 if (flags & F_FW_RSS_VI_CONFIG_CMD_UDPEN)
908 rss_hf |= ETH_RSS_NONFRAG_IPV4_UDP;
911 if (flags & F_FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN)
912 rss_hf |= CXGBE_RSS_HF_IPV4_MASK;
914 rss_conf->rss_hf = rss_hf;
916 if (rss_conf->rss_key) {
917 u32 key[10], mod_key[10];
920 t4_read_rss_key(adapter, key);
922 for (i = 9, j = 0; i >= 0; i--, j++)
923 mod_key[j] = be32_to_cpu(key[i]);
925 memcpy(rss_conf->rss_key, mod_key, CXGBE_DEFAULT_RSS_KEY_LEN);
931 static int cxgbe_dev_rss_reta_update(struct rte_eth_dev *dev,
932 struct rte_eth_rss_reta_entry64 *reta_conf,
935 struct port_info *pi = dev->data->dev_private;
936 struct adapter *adapter = pi->adapter;
937 u16 i, idx, shift, *rss;
940 if (!(adapter->flags & FULL_INIT_DONE))
943 if (!reta_size || reta_size > pi->rss_size)
946 rss = rte_calloc(NULL, pi->rss_size, sizeof(u16), 0);
950 rte_memcpy(rss, pi->rss, pi->rss_size * sizeof(u16));
951 for (i = 0; i < reta_size; i++) {
952 idx = i / RTE_RETA_GROUP_SIZE;
953 shift = i % RTE_RETA_GROUP_SIZE;
954 if (!(reta_conf[idx].mask & (1ULL << shift)))
957 rss[i] = reta_conf[idx].reta[shift];
960 ret = cxgbe_write_rss(pi, rss);
962 rte_memcpy(pi->rss, rss, pi->rss_size * sizeof(u16));
968 static int cxgbe_dev_rss_reta_query(struct rte_eth_dev *dev,
969 struct rte_eth_rss_reta_entry64 *reta_conf,
972 struct port_info *pi = dev->data->dev_private;
973 struct adapter *adapter = pi->adapter;
976 if (!(adapter->flags & FULL_INIT_DONE))
979 if (!reta_size || reta_size > pi->rss_size)
982 for (i = 0; i < reta_size; i++) {
983 idx = i / RTE_RETA_GROUP_SIZE;
984 shift = i % RTE_RETA_GROUP_SIZE;
985 if (!(reta_conf[idx].mask & (1ULL << shift)))
988 reta_conf[idx].reta[shift] = pi->rss[i];
994 static int cxgbe_get_eeprom_length(struct rte_eth_dev *dev)
1001 * eeprom_ptov - translate a physical EEPROM address to virtual
1002 * @phys_addr: the physical EEPROM address
1003 * @fn: the PCI function number
1004 * @sz: size of function-specific area
1006 * Translate a physical EEPROM address to virtual. The first 1K is
1007 * accessed through virtual addresses starting at 31K, the rest is
1008 * accessed through virtual addresses starting at 0.
1010 * The mapping is as follows:
1011 * [0..1K) -> [31K..32K)
1012 * [1K..1K+A) -> [31K-A..31K)
1013 * [1K+A..ES) -> [0..ES-A-1K)
1015 * where A = @fn * @sz, and ES = EEPROM size.
1017 static int eeprom_ptov(unsigned int phys_addr, unsigned int fn, unsigned int sz)
1020 if (phys_addr < 1024)
1021 return phys_addr + (31 << 10);
1022 if (phys_addr < 1024 + fn)
1023 return fn + phys_addr - 1024;
1024 if (phys_addr < EEPROMSIZE)
1025 return phys_addr - 1024 - fn;
1026 if (phys_addr < EEPROMVSIZE)
1027 return phys_addr - 1024;
1031 /* The next two routines implement eeprom read/write from physical addresses.
1033 static int eeprom_rd_phys(struct adapter *adap, unsigned int phys_addr, u32 *v)
1035 int vaddr = eeprom_ptov(phys_addr, adap->pf, EEPROMPFSIZE);
1038 vaddr = t4_seeprom_read(adap, vaddr, v);
1039 return vaddr < 0 ? vaddr : 0;
1042 static int eeprom_wr_phys(struct adapter *adap, unsigned int phys_addr, u32 v)
1044 int vaddr = eeprom_ptov(phys_addr, adap->pf, EEPROMPFSIZE);
1047 vaddr = t4_seeprom_write(adap, vaddr, v);
1048 return vaddr < 0 ? vaddr : 0;
1051 #define EEPROM_MAGIC 0x38E2F10C
1053 static int cxgbe_get_eeprom(struct rte_eth_dev *dev,
1054 struct rte_dev_eeprom_info *e)
1056 struct port_info *pi = dev->data->dev_private;
1057 struct adapter *adapter = pi->adapter;
1059 u8 *buf = rte_zmalloc(NULL, EEPROMSIZE, 0);
1064 e->magic = EEPROM_MAGIC;
1065 for (i = e->offset & ~3; !err && i < e->offset + e->length; i += 4)
1066 err = eeprom_rd_phys(adapter, i, (u32 *)&buf[i]);
1069 rte_memcpy(e->data, buf + e->offset, e->length);
1074 static int cxgbe_set_eeprom(struct rte_eth_dev *dev,
1075 struct rte_dev_eeprom_info *eeprom)
1077 struct port_info *pi = dev->data->dev_private;
1078 struct adapter *adapter = pi->adapter;
1081 u32 aligned_offset, aligned_len, *p;
1083 if (eeprom->magic != EEPROM_MAGIC)
1086 aligned_offset = eeprom->offset & ~3;
1087 aligned_len = (eeprom->length + (eeprom->offset & 3) + 3) & ~3;
1089 if (adapter->pf > 0) {
1090 u32 start = 1024 + adapter->pf * EEPROMPFSIZE;
1092 if (aligned_offset < start ||
1093 aligned_offset + aligned_len > start + EEPROMPFSIZE)
1097 if (aligned_offset != eeprom->offset || aligned_len != eeprom->length) {
1098 /* RMW possibly needed for first or last words.
1100 buf = rte_zmalloc(NULL, aligned_len, 0);
1103 err = eeprom_rd_phys(adapter, aligned_offset, (u32 *)buf);
1104 if (!err && aligned_len > 4)
1105 err = eeprom_rd_phys(adapter,
1106 aligned_offset + aligned_len - 4,
1107 (u32 *)&buf[aligned_len - 4]);
1110 rte_memcpy(buf + (eeprom->offset & 3), eeprom->data,
1116 err = t4_seeprom_wp(adapter, false);
1120 for (p = (u32 *)buf; !err && aligned_len; aligned_len -= 4, p++) {
1121 err = eeprom_wr_phys(adapter, aligned_offset, *p);
1122 aligned_offset += 4;
1126 err = t4_seeprom_wp(adapter, true);
1128 if (buf != eeprom->data)
1133 static int cxgbe_get_regs_len(struct rte_eth_dev *eth_dev)
1135 struct port_info *pi = eth_dev->data->dev_private;
1136 struct adapter *adapter = pi->adapter;
1138 return t4_get_regs_len(adapter) / sizeof(uint32_t);
1141 static int cxgbe_get_regs(struct rte_eth_dev *eth_dev,
1142 struct rte_dev_reg_info *regs)
1144 struct port_info *pi = eth_dev->data->dev_private;
1145 struct adapter *adapter = pi->adapter;
1147 regs->version = CHELSIO_CHIP_VERSION(adapter->params.chip) |
1148 (CHELSIO_CHIP_RELEASE(adapter->params.chip) << 10) |
1151 if (regs->data == NULL) {
1152 regs->length = cxgbe_get_regs_len(eth_dev);
1153 regs->width = sizeof(uint32_t);
1158 t4_get_regs(adapter, regs->data, (regs->length * sizeof(uint32_t)));
1163 int cxgbe_mac_addr_set(struct rte_eth_dev *dev, struct rte_ether_addr *addr)
1165 struct port_info *pi = dev->data->dev_private;
1168 ret = cxgbe_mpstcam_modify(pi, (int)pi->xact_addr_filt, (u8 *)addr);
1170 dev_err(adapter, "failed to set mac addr; err = %d\n",
1174 pi->xact_addr_filt = ret;
1178 static const struct eth_dev_ops cxgbe_eth_dev_ops = {
1179 .dev_start = cxgbe_dev_start,
1180 .dev_stop = cxgbe_dev_stop,
1181 .dev_close = cxgbe_dev_close,
1182 .promiscuous_enable = cxgbe_dev_promiscuous_enable,
1183 .promiscuous_disable = cxgbe_dev_promiscuous_disable,
1184 .allmulticast_enable = cxgbe_dev_allmulticast_enable,
1185 .allmulticast_disable = cxgbe_dev_allmulticast_disable,
1186 .dev_configure = cxgbe_dev_configure,
1187 .dev_infos_get = cxgbe_dev_info_get,
1188 .dev_supported_ptypes_get = cxgbe_dev_supported_ptypes_get,
1189 .link_update = cxgbe_dev_link_update,
1190 .dev_set_link_up = cxgbe_dev_set_link_up,
1191 .dev_set_link_down = cxgbe_dev_set_link_down,
1192 .mtu_set = cxgbe_dev_mtu_set,
1193 .tx_queue_setup = cxgbe_dev_tx_queue_setup,
1194 .tx_queue_start = cxgbe_dev_tx_queue_start,
1195 .tx_queue_stop = cxgbe_dev_tx_queue_stop,
1196 .tx_queue_release = cxgbe_dev_tx_queue_release,
1197 .rx_queue_setup = cxgbe_dev_rx_queue_setup,
1198 .rx_queue_start = cxgbe_dev_rx_queue_start,
1199 .rx_queue_stop = cxgbe_dev_rx_queue_stop,
1200 .rx_queue_release = cxgbe_dev_rx_queue_release,
1201 .filter_ctrl = cxgbe_dev_filter_ctrl,
1202 .stats_get = cxgbe_dev_stats_get,
1203 .stats_reset = cxgbe_dev_stats_reset,
1204 .flow_ctrl_get = cxgbe_flow_ctrl_get,
1205 .flow_ctrl_set = cxgbe_flow_ctrl_set,
1206 .get_eeprom_length = cxgbe_get_eeprom_length,
1207 .get_eeprom = cxgbe_get_eeprom,
1208 .set_eeprom = cxgbe_set_eeprom,
1209 .get_reg = cxgbe_get_regs,
1210 .rss_hash_update = cxgbe_dev_rss_hash_update,
1211 .rss_hash_conf_get = cxgbe_dev_rss_hash_conf_get,
1212 .mac_addr_set = cxgbe_mac_addr_set,
1213 .reta_update = cxgbe_dev_rss_reta_update,
1214 .reta_query = cxgbe_dev_rss_reta_query,
1219 * It returns 0 on success.
1221 static int eth_cxgbe_dev_init(struct rte_eth_dev *eth_dev)
1223 struct rte_pci_device *pci_dev;
1224 struct port_info *pi = eth_dev->data->dev_private;
1225 struct adapter *adapter = NULL;
1226 char name[RTE_ETH_NAME_MAX_LEN];
1231 eth_dev->dev_ops = &cxgbe_eth_dev_ops;
1232 eth_dev->rx_pkt_burst = &cxgbe_recv_pkts;
1233 eth_dev->tx_pkt_burst = &cxgbe_xmit_pkts;
1234 pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
1236 /* for secondary processes, we attach to ethdevs allocated by primary
1237 * and do minimal initialization.
1239 if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1242 for (i = 1; i < MAX_NPORTS; i++) {
1243 struct rte_eth_dev *rest_eth_dev;
1244 char namei[RTE_ETH_NAME_MAX_LEN];
1246 snprintf(namei, sizeof(namei), "%s_%d",
1247 pci_dev->device.name, i);
1248 rest_eth_dev = rte_eth_dev_attach_secondary(namei);
1250 rest_eth_dev->device = &pci_dev->device;
1251 rest_eth_dev->dev_ops =
1253 rest_eth_dev->rx_pkt_burst =
1254 eth_dev->rx_pkt_burst;
1255 rest_eth_dev->tx_pkt_burst =
1256 eth_dev->tx_pkt_burst;
1257 rte_eth_dev_probing_finish(rest_eth_dev);
1263 snprintf(name, sizeof(name), "cxgbeadapter%d", eth_dev->data->port_id);
1264 adapter = rte_zmalloc(name, sizeof(*adapter), 0);
1268 adapter->use_unpacked_mode = 1;
1269 adapter->regs = (void *)pci_dev->mem_resource[0].addr;
1270 if (!adapter->regs) {
1271 dev_err(adapter, "%s: cannot map device registers\n", __func__);
1273 goto out_free_adapter;
1275 adapter->pdev = pci_dev;
1276 adapter->eth_dev = eth_dev;
1277 pi->adapter = adapter;
1279 cxgbe_process_devargs(adapter);
1281 err = cxgbe_probe(adapter);
1283 dev_err(adapter, "%s: cxgbe probe failed with err %d\n",
1285 goto out_free_adapter;
1295 static int eth_cxgbe_dev_uninit(struct rte_eth_dev *eth_dev)
1297 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
1300 /* Free up other ports and all resources */
1301 RTE_ETH_FOREACH_DEV_OF(port_id, &pci_dev->device)
1302 rte_eth_dev_close(port_id);
1307 static int eth_cxgbe_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1308 struct rte_pci_device *pci_dev)
1310 return rte_eth_dev_pci_generic_probe(pci_dev,
1311 sizeof(struct port_info), eth_cxgbe_dev_init);
1314 static int eth_cxgbe_pci_remove(struct rte_pci_device *pci_dev)
1316 return rte_eth_dev_pci_generic_remove(pci_dev, eth_cxgbe_dev_uninit);
1319 static struct rte_pci_driver rte_cxgbe_pmd = {
1320 .id_table = cxgb4_pci_tbl,
1321 .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
1322 .probe = eth_cxgbe_pci_probe,
1323 .remove = eth_cxgbe_pci_remove,
1326 RTE_PMD_REGISTER_PCI(net_cxgbe, rte_cxgbe_pmd);
1327 RTE_PMD_REGISTER_PCI_TABLE(net_cxgbe, cxgb4_pci_tbl);
1328 RTE_PMD_REGISTER_KMOD_DEP(net_cxgbe, "* igb_uio | uio_pci_generic | vfio-pci");
1329 RTE_PMD_REGISTER_PARAM_STRING(net_cxgbe,
1330 CXGBE_DEVARG_CMN_KEEP_OVLAN "=<0|1> "
1331 CXGBE_DEVARG_CMN_TX_MODE_LATENCY "=<0|1> "
1332 CXGBE_DEVARG_PF_FILTER_MODE "=<uint32> "
1333 CXGBE_DEVARG_PF_FILTER_MASK "=<uint32> ");
1334 RTE_LOG_REGISTER(cxgbe_logtype, pmd.net.cxgbe, NOTICE);
1335 RTE_LOG_REGISTER(cxgbe_mbox_logtype, pmd.net.cxgbe.mbox, NOTICE);