2 * aQuantia Corporation Network Driver
3 * Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms and conditions of the GNU General Public License,
7 * version 2, as published by the Free Software Foundation.
10 /* File aq_nic.c: Definition of common code for NIC. */
16 #include "aq_pci_func.h"
18 #include <linux/moduleparam.h>
19 #include <linux/netdevice.h>
20 #include <linux/etherdevice.h>
21 #include <linux/timer.h>
22 #include <linux/cpu.h>
24 #include <linux/tcp.h>
27 static unsigned int aq_itr = AQ_CFG_INTERRUPT_MODERATION_AUTO;
28 module_param_named(aq_itr, aq_itr, uint, 0644);
29 MODULE_PARM_DESC(aq_itr, "Interrupt throttling mode");
31 static unsigned int aq_itr_tx;
32 module_param_named(aq_itr_tx, aq_itr_tx, uint, 0644);
33 MODULE_PARM_DESC(aq_itr_tx, "TX interrupt throttle rate");
35 static unsigned int aq_itr_rx;
36 module_param_named(aq_itr_rx, aq_itr_rx, uint, 0644);
37 MODULE_PARM_DESC(aq_itr_rx, "RX interrupt throttle rate");
39 static void aq_nic_update_ndev_stats(struct aq_nic_s *self);
41 static void aq_nic_rss_init(struct aq_nic_s *self, unsigned int num_rss_queues)
43 struct aq_nic_cfg_s *cfg = &self->aq_nic_cfg;
44 struct aq_rss_parameters *rss_params = &cfg->aq_rss;
47 static u8 rss_key[40] = {
48 0x1e, 0xad, 0x71, 0x87, 0x65, 0xfc, 0x26, 0x7d,
49 0x0d, 0x45, 0x67, 0x74, 0xcd, 0x06, 0x1a, 0x18,
50 0xb6, 0xc1, 0xf0, 0xc7, 0xbb, 0x18, 0xbe, 0xf8,
51 0x19, 0x13, 0x4b, 0xa9, 0xd0, 0x3e, 0xfe, 0x70,
52 0x25, 0x03, 0xab, 0x50, 0x6a, 0x8b, 0x82, 0x0c
55 rss_params->hash_secret_key_size = sizeof(rss_key);
56 memcpy(rss_params->hash_secret_key, rss_key, sizeof(rss_key));
57 rss_params->indirection_table_size = AQ_CFG_RSS_INDIRECTION_TABLE_MAX;
59 for (i = rss_params->indirection_table_size; i--;)
60 rss_params->indirection_table[i] = i & (num_rss_queues - 1);
63 /* Checks hw_caps and 'corrects' aq_nic_cfg in runtime */
64 void aq_nic_cfg_start(struct aq_nic_s *self)
66 struct aq_nic_cfg_s *cfg = &self->aq_nic_cfg;
68 cfg->tcs = AQ_CFG_TCS_DEF;
70 cfg->is_polling = AQ_CFG_IS_POLLING_DEF;
73 cfg->tx_itr = aq_itr_tx;
74 cfg->rx_itr = aq_itr_rx;
76 cfg->is_rss = AQ_CFG_IS_RSS_DEF;
77 cfg->num_rss_queues = AQ_CFG_NUM_RSS_QUEUES_DEF;
78 cfg->aq_rss.base_cpu_number = AQ_CFG_RSS_BASE_CPU_NUM_DEF;
79 cfg->flow_control = AQ_CFG_FC_MODE;
81 cfg->mtu = AQ_CFG_MTU_DEF;
82 cfg->link_speed_msk = AQ_CFG_SPEED_MSK;
83 cfg->is_autoneg = AQ_CFG_IS_AUTONEG_DEF;
85 cfg->is_lro = AQ_CFG_IS_LRO_DEF;
89 aq_nic_rss_init(self, cfg->num_rss_queues);
92 cfg->rxds = min(cfg->aq_hw_caps->rxds, AQ_CFG_RXDS_DEF);
93 cfg->txds = min(cfg->aq_hw_caps->txds, AQ_CFG_TXDS_DEF);
96 cfg->vecs = min(cfg->aq_hw_caps->vecs, AQ_CFG_VECS_DEF);
97 cfg->vecs = min(cfg->vecs, num_online_cpus());
98 /* cfg->vecs should be power of 2 for RSS */
101 else if (cfg->vecs >= 4U)
103 else if (cfg->vecs >= 2U)
108 cfg->num_rss_queues = min(cfg->vecs, AQ_CFG_NUM_RSS_QUEUES_DEF);
110 cfg->irq_type = aq_pci_func_get_irq_type(self);
112 if ((cfg->irq_type == AQ_HW_IRQ_LEGACY) ||
113 (cfg->aq_hw_caps->vecs == 1U) ||
119 cfg->link_speed_msk &= cfg->aq_hw_caps->link_speed_msk;
120 cfg->hw_features = cfg->aq_hw_caps->hw_features;
123 static int aq_nic_update_link_status(struct aq_nic_s *self)
125 int err = self->aq_fw_ops->update_link_status(self->aq_hw);
130 if (self->link_status.mbps != self->aq_hw->aq_link_status.mbps) {
131 pr_info("%s: link change old %d new %d\n",
132 AQ_CFG_DRV_NAME, self->link_status.mbps,
133 self->aq_hw->aq_link_status.mbps);
134 aq_nic_update_interrupt_moderation_settings(self);
137 self->link_status = self->aq_hw->aq_link_status;
138 if (!netif_carrier_ok(self->ndev) && self->link_status.mbps) {
139 aq_utils_obj_set(&self->flags,
140 AQ_NIC_FLAG_STARTED);
141 aq_utils_obj_clear(&self->flags,
143 netif_carrier_on(self->ndev);
144 netif_tx_wake_all_queues(self->ndev);
146 if (netif_carrier_ok(self->ndev) && !self->link_status.mbps) {
147 netif_carrier_off(self->ndev);
148 netif_tx_disable(self->ndev);
149 aq_utils_obj_set(&self->flags, AQ_NIC_LINK_DOWN);
154 static void aq_nic_service_timer_cb(struct timer_list *t)
156 struct aq_nic_s *self = from_timer(self, t, service_timer);
157 int ctimer = AQ_CFG_SERVICE_TIMER_INTERVAL;
160 if (aq_utils_obj_test(&self->flags, AQ_NIC_FLAGS_IS_NOT_READY))
163 err = aq_nic_update_link_status(self);
167 if (self->aq_fw_ops->update_stats)
168 self->aq_fw_ops->update_stats(self->aq_hw);
170 aq_nic_update_ndev_stats(self);
172 /* If no link - use faster timer rate to detect link up asap */
173 if (!netif_carrier_ok(self->ndev))
174 ctimer = max(ctimer / 2, 1);
177 mod_timer(&self->service_timer, jiffies + ctimer);
180 static void aq_nic_polling_timer_cb(struct timer_list *t)
182 struct aq_nic_s *self = from_timer(self, t, polling_timer);
183 struct aq_vec_s *aq_vec = NULL;
186 for (i = 0U, aq_vec = self->aq_vec[0];
187 self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i])
188 aq_vec_isr(i, (void *)aq_vec);
190 mod_timer(&self->polling_timer, jiffies +
191 AQ_CFG_POLLING_TIMER_INTERVAL);
194 int aq_nic_ndev_register(struct aq_nic_s *self)
203 err = hw_atl_utils_initfw(self->aq_hw, &self->aq_fw_ops);
207 err = self->aq_fw_ops->get_mac_permanent(self->aq_hw,
208 self->ndev->dev_addr);
212 #if defined(AQ_CFG_MAC_ADDR_PERMANENT)
214 static u8 mac_addr_permanent[] = AQ_CFG_MAC_ADDR_PERMANENT;
216 ether_addr_copy(self->ndev->dev_addr, mac_addr_permanent);
220 for (self->aq_vecs = 0; self->aq_vecs < aq_nic_get_cfg(self)->vecs;
222 self->aq_vec[self->aq_vecs] =
223 aq_vec_alloc(self, self->aq_vecs, aq_nic_get_cfg(self));
224 if (!self->aq_vec[self->aq_vecs]) {
230 netif_carrier_off(self->ndev);
232 netif_tx_disable(self->ndev);
234 err = register_netdev(self->ndev);
242 void aq_nic_ndev_init(struct aq_nic_s *self)
244 const struct aq_hw_caps_s *aq_hw_caps = self->aq_nic_cfg.aq_hw_caps;
245 struct aq_nic_cfg_s *aq_nic_cfg = &self->aq_nic_cfg;
247 self->ndev->hw_features |= aq_hw_caps->hw_features;
248 self->ndev->features = aq_hw_caps->hw_features;
249 self->ndev->priv_flags = aq_hw_caps->hw_priv_flags;
250 self->ndev->mtu = aq_nic_cfg->mtu - ETH_HLEN;
251 self->ndev->max_mtu = aq_hw_caps->mtu - ETH_FCS_LEN - ETH_HLEN;
255 void aq_nic_set_tx_ring(struct aq_nic_s *self, unsigned int idx,
256 struct aq_ring_s *ring)
258 self->aq_ring_tx[idx] = ring;
261 struct net_device *aq_nic_get_ndev(struct aq_nic_s *self)
266 int aq_nic_init(struct aq_nic_s *self)
268 struct aq_vec_s *aq_vec = NULL;
272 self->power_state = AQ_HW_POWER_STATE_D0;
273 err = self->aq_hw_ops->hw_reset(self->aq_hw);
277 err = self->aq_hw_ops->hw_init(self->aq_hw,
278 aq_nic_get_ndev(self)->dev_addr);
282 for (i = 0U, aq_vec = self->aq_vec[0];
283 self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i])
284 aq_vec_init(aq_vec, self->aq_hw_ops, self->aq_hw);
286 netif_carrier_off(self->ndev);
292 int aq_nic_start(struct aq_nic_s *self)
294 struct aq_vec_s *aq_vec = NULL;
298 err = self->aq_hw_ops->hw_multicast_list_set(self->aq_hw,
300 self->mc_list.count);
304 err = self->aq_hw_ops->hw_packet_filter_set(self->aq_hw,
305 self->packet_filter);
309 for (i = 0U, aq_vec = self->aq_vec[0];
310 self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i]) {
311 err = aq_vec_start(aq_vec);
316 err = self->aq_hw_ops->hw_start(self->aq_hw);
320 err = aq_nic_update_interrupt_moderation_settings(self);
323 timer_setup(&self->service_timer, aq_nic_service_timer_cb, 0);
324 mod_timer(&self->service_timer, jiffies +
325 AQ_CFG_SERVICE_TIMER_INTERVAL);
327 if (self->aq_nic_cfg.is_polling) {
328 timer_setup(&self->polling_timer, aq_nic_polling_timer_cb, 0);
329 mod_timer(&self->polling_timer, jiffies +
330 AQ_CFG_POLLING_TIMER_INTERVAL);
332 for (i = 0U, aq_vec = self->aq_vec[0];
333 self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i]) {
334 err = aq_pci_func_alloc_irq(self, i,
335 self->ndev->name, aq_vec,
336 aq_vec_get_affinity_mask(aq_vec));
341 err = self->aq_hw_ops->hw_irq_enable(self->aq_hw,
347 err = netif_set_real_num_tx_queues(self->ndev, self->aq_vecs);
351 err = netif_set_real_num_rx_queues(self->ndev, self->aq_vecs);
355 netif_tx_start_all_queues(self->ndev);
361 static unsigned int aq_nic_map_skb(struct aq_nic_s *self,
363 struct aq_ring_s *ring)
365 unsigned int ret = 0U;
366 unsigned int nr_frags = skb_shinfo(skb)->nr_frags;
367 unsigned int frag_count = 0U;
368 unsigned int dx = ring->sw_tail;
369 struct aq_ring_buff_s *first = NULL;
370 struct aq_ring_buff_s *dx_buff = &ring->buff_ring[dx];
372 if (unlikely(skb_is_gso(skb))) {
374 dx_buff->len_pkt = skb->len;
375 dx_buff->len_l2 = ETH_HLEN;
376 dx_buff->len_l3 = ip_hdrlen(skb);
377 dx_buff->len_l4 = tcp_hdrlen(skb);
378 dx_buff->mss = skb_shinfo(skb)->gso_size;
379 dx_buff->is_txc = 1U;
380 dx_buff->eop_index = 0xffffU;
383 (ip_hdr(skb)->version == 6) ? 1U : 0U;
385 dx = aq_ring_next_dx(ring, dx);
386 dx_buff = &ring->buff_ring[dx];
391 dx_buff->len = skb_headlen(skb);
392 dx_buff->pa = dma_map_single(aq_nic_get_dev(self),
397 if (unlikely(dma_mapping_error(aq_nic_get_dev(self), dx_buff->pa)))
401 dx_buff->len_pkt = skb->len;
402 dx_buff->is_sop = 1U;
403 dx_buff->is_mapped = 1U;
406 if (skb->ip_summed == CHECKSUM_PARTIAL) {
407 dx_buff->is_ip_cso = (htons(ETH_P_IP) == skb->protocol) ?
410 if (ip_hdr(skb)->version == 4) {
411 dx_buff->is_tcp_cso =
412 (ip_hdr(skb)->protocol == IPPROTO_TCP) ?
414 dx_buff->is_udp_cso =
415 (ip_hdr(skb)->protocol == IPPROTO_UDP) ?
417 } else if (ip_hdr(skb)->version == 6) {
418 dx_buff->is_tcp_cso =
419 (ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP) ?
421 dx_buff->is_udp_cso =
422 (ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP) ?
427 for (; nr_frags--; ++frag_count) {
428 unsigned int frag_len = 0U;
429 unsigned int buff_offset = 0U;
430 unsigned int buff_size = 0U;
432 skb_frag_t *frag = &skb_shinfo(skb)->frags[frag_count];
434 frag_len = skb_frag_size(frag);
437 if (frag_len > AQ_CFG_TX_FRAME_MAX)
438 buff_size = AQ_CFG_TX_FRAME_MAX;
440 buff_size = frag_len;
442 frag_pa = skb_frag_dma_map(aq_nic_get_dev(self),
448 if (unlikely(dma_mapping_error(aq_nic_get_dev(self),
452 dx = aq_ring_next_dx(ring, dx);
453 dx_buff = &ring->buff_ring[dx];
456 dx_buff->len = buff_size;
457 dx_buff->pa = frag_pa;
458 dx_buff->is_mapped = 1U;
459 dx_buff->eop_index = 0xffffU;
461 frag_len -= buff_size;
462 buff_offset += buff_size;
468 first->eop_index = dx;
469 dx_buff->is_eop = 1U;
474 for (dx = ring->sw_tail;
476 --ret, dx = aq_ring_next_dx(ring, dx)) {
477 dx_buff = &ring->buff_ring[dx];
479 if (!dx_buff->is_txc && dx_buff->pa) {
480 if (unlikely(dx_buff->is_sop)) {
481 dma_unmap_single(aq_nic_get_dev(self),
486 dma_unmap_page(aq_nic_get_dev(self),
498 int aq_nic_xmit(struct aq_nic_s *self, struct sk_buff *skb)
500 struct aq_ring_s *ring = NULL;
501 unsigned int frags = 0U;
502 unsigned int vec = skb->queue_mapping % self->aq_nic_cfg.vecs;
503 unsigned int tc = 0U;
504 int err = NETDEV_TX_OK;
506 frags = skb_shinfo(skb)->nr_frags + 1;
508 ring = self->aq_ring_tx[AQ_NIC_TCVEC2RING(self, tc, vec)];
510 if (frags > AQ_CFG_SKB_FRAGS_MAX) {
511 dev_kfree_skb_any(skb);
515 aq_ring_update_queue_state(ring);
517 /* Above status update may stop the queue. Check this. */
518 if (__netif_subqueue_stopped(self->ndev, ring->idx)) {
519 err = NETDEV_TX_BUSY;
523 frags = aq_nic_map_skb(self, skb, ring);
526 err = self->aq_hw_ops->hw_ring_tx_xmit(self->aq_hw,
529 ++ring->stats.tx.packets;
530 ring->stats.tx.bytes += skb->len;
533 err = NETDEV_TX_BUSY;
540 int aq_nic_update_interrupt_moderation_settings(struct aq_nic_s *self)
542 return self->aq_hw_ops->hw_interrupt_moderation_set(self->aq_hw);
545 int aq_nic_set_packet_filter(struct aq_nic_s *self, unsigned int flags)
549 err = self->aq_hw_ops->hw_packet_filter_set(self->aq_hw, flags);
553 self->packet_filter = flags;
559 int aq_nic_set_multicast_list(struct aq_nic_s *self, struct net_device *ndev)
561 struct netdev_hw_addr *ha = NULL;
564 self->mc_list.count = 0U;
566 netdev_for_each_mc_addr(ha, ndev) {
567 ether_addr_copy(self->mc_list.ar[i++], ha->addr);
568 ++self->mc_list.count;
570 if (i >= AQ_CFG_MULTICAST_ADDRESS_MAX)
574 if (i >= AQ_CFG_MULTICAST_ADDRESS_MAX) {
575 /* Number of filters is too big: atlantic does not support this.
576 * Force all multi filter to support this.
577 * With this we disable all UC filters and setup "all pass"
580 self->packet_filter |= IFF_ALLMULTI;
581 self->aq_nic_cfg.mc_list_count = 0;
582 return self->aq_hw_ops->hw_packet_filter_set(self->aq_hw,
583 self->packet_filter);
585 return self->aq_hw_ops->hw_multicast_list_set(self->aq_hw,
587 self->mc_list.count);
591 int aq_nic_set_mtu(struct aq_nic_s *self, int new_mtu)
593 self->aq_nic_cfg.mtu = new_mtu;
598 int aq_nic_set_mac(struct aq_nic_s *self, struct net_device *ndev)
600 return self->aq_hw_ops->hw_set_mac_address(self->aq_hw, ndev->dev_addr);
603 unsigned int aq_nic_get_link_speed(struct aq_nic_s *self)
605 return self->link_status.mbps;
608 int aq_nic_get_regs(struct aq_nic_s *self, struct ethtool_regs *regs, void *p)
615 err = self->aq_hw_ops->hw_get_regs(self->aq_hw,
616 self->aq_nic_cfg.aq_hw_caps,
625 int aq_nic_get_regs_count(struct aq_nic_s *self)
627 return self->aq_nic_cfg.aq_hw_caps->mac_regs_count;
630 void aq_nic_get_stats(struct aq_nic_s *self, u64 *data)
633 unsigned int count = 0U;
634 struct aq_vec_s *aq_vec = NULL;
635 struct aq_stats_s *stats = self->aq_hw_ops->hw_get_hw_stats(self->aq_hw);
640 data[i] = stats->uprc + stats->mprc + stats->bprc;
641 data[++i] = stats->uprc;
642 data[++i] = stats->mprc;
643 data[++i] = stats->bprc;
644 data[++i] = stats->erpt;
645 data[++i] = stats->uptc + stats->mptc + stats->bptc;
646 data[++i] = stats->uptc;
647 data[++i] = stats->mptc;
648 data[++i] = stats->bptc;
649 data[++i] = stats->ubrc;
650 data[++i] = stats->ubtc;
651 data[++i] = stats->mbrc;
652 data[++i] = stats->mbtc;
653 data[++i] = stats->bbrc;
654 data[++i] = stats->bbtc;
655 data[++i] = stats->ubrc + stats->mbrc + stats->bbrc;
656 data[++i] = stats->ubtc + stats->mbtc + stats->bbtc;
657 data[++i] = stats->dma_pkt_rc;
658 data[++i] = stats->dma_pkt_tc;
659 data[++i] = stats->dma_oct_rc;
660 data[++i] = stats->dma_oct_tc;
661 data[++i] = stats->dpc;
667 for (i = 0U, aq_vec = self->aq_vec[0];
668 aq_vec && self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i]) {
670 aq_vec_get_sw_stats(aq_vec, data, &count);
676 static void aq_nic_update_ndev_stats(struct aq_nic_s *self)
678 struct net_device *ndev = self->ndev;
679 struct aq_stats_s *stats = self->aq_hw_ops->hw_get_hw_stats(self->aq_hw);
681 ndev->stats.rx_packets = stats->uprc + stats->mprc + stats->bprc;
682 ndev->stats.rx_bytes = stats->ubrc + stats->mbrc + stats->bbrc;
683 ndev->stats.rx_errors = stats->erpr;
684 ndev->stats.tx_packets = stats->uptc + stats->mptc + stats->bptc;
685 ndev->stats.tx_bytes = stats->ubtc + stats->mbtc + stats->bbtc;
686 ndev->stats.tx_errors = stats->erpt;
687 ndev->stats.multicast = stats->mprc;
690 void aq_nic_get_link_ksettings(struct aq_nic_s *self,
691 struct ethtool_link_ksettings *cmd)
693 if (self->aq_nic_cfg.aq_hw_caps->media_type == AQ_HW_MEDIA_TYPE_FIBRE)
694 cmd->base.port = PORT_FIBRE;
696 cmd->base.port = PORT_TP;
697 /* This driver supports only 10G capable adapters, so DUPLEX_FULL */
698 cmd->base.duplex = DUPLEX_FULL;
699 cmd->base.autoneg = self->aq_nic_cfg.is_autoneg;
701 ethtool_link_ksettings_zero_link_mode(cmd, supported);
703 if (self->aq_nic_cfg.aq_hw_caps->link_speed_msk & AQ_NIC_RATE_10G)
704 ethtool_link_ksettings_add_link_mode(cmd, supported,
707 if (self->aq_nic_cfg.aq_hw_caps->link_speed_msk & AQ_NIC_RATE_5G)
708 ethtool_link_ksettings_add_link_mode(cmd, supported,
711 if (self->aq_nic_cfg.aq_hw_caps->link_speed_msk & AQ_NIC_RATE_2GS)
712 ethtool_link_ksettings_add_link_mode(cmd, supported,
715 if (self->aq_nic_cfg.aq_hw_caps->link_speed_msk & AQ_NIC_RATE_1G)
716 ethtool_link_ksettings_add_link_mode(cmd, supported,
719 if (self->aq_nic_cfg.aq_hw_caps->link_speed_msk & AQ_NIC_RATE_100M)
720 ethtool_link_ksettings_add_link_mode(cmd, supported,
723 if (self->aq_nic_cfg.aq_hw_caps->flow_control)
724 ethtool_link_ksettings_add_link_mode(cmd, supported,
727 ethtool_link_ksettings_add_link_mode(cmd, supported, Autoneg);
729 if (self->aq_nic_cfg.aq_hw_caps->media_type == AQ_HW_MEDIA_TYPE_FIBRE)
730 ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE);
732 ethtool_link_ksettings_add_link_mode(cmd, supported, TP);
734 ethtool_link_ksettings_zero_link_mode(cmd, advertising);
736 if (self->aq_nic_cfg.is_autoneg)
737 ethtool_link_ksettings_add_link_mode(cmd, advertising, Autoneg);
739 if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_10G)
740 ethtool_link_ksettings_add_link_mode(cmd, advertising,
743 if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_5G)
744 ethtool_link_ksettings_add_link_mode(cmd, advertising,
747 if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_2GS)
748 ethtool_link_ksettings_add_link_mode(cmd, advertising,
751 if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_1G)
752 ethtool_link_ksettings_add_link_mode(cmd, advertising,
755 if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_100M)
756 ethtool_link_ksettings_add_link_mode(cmd, advertising,
759 if (self->aq_nic_cfg.flow_control)
760 ethtool_link_ksettings_add_link_mode(cmd, advertising,
763 if (self->aq_nic_cfg.aq_hw_caps->media_type == AQ_HW_MEDIA_TYPE_FIBRE)
764 ethtool_link_ksettings_add_link_mode(cmd, advertising, FIBRE);
766 ethtool_link_ksettings_add_link_mode(cmd, advertising, TP);
769 int aq_nic_set_link_ksettings(struct aq_nic_s *self,
770 const struct ethtool_link_ksettings *cmd)
776 if (cmd->base.autoneg == AUTONEG_ENABLE) {
777 rate = self->aq_nic_cfg.aq_hw_caps->link_speed_msk;
778 self->aq_nic_cfg.is_autoneg = true;
780 speed = cmd->base.speed;
784 rate = AQ_NIC_RATE_100M;
788 rate = AQ_NIC_RATE_1G;
792 rate = AQ_NIC_RATE_2GS;
796 rate = AQ_NIC_RATE_5G;
800 rate = AQ_NIC_RATE_10G;
808 if (!(self->aq_nic_cfg.aq_hw_caps->link_speed_msk & rate)) {
813 self->aq_nic_cfg.is_autoneg = false;
816 err = self->aq_fw_ops->set_link_speed(self->aq_hw, rate);
820 self->aq_nic_cfg.link_speed_msk = rate;
826 struct aq_nic_cfg_s *aq_nic_get_cfg(struct aq_nic_s *self)
828 return &self->aq_nic_cfg;
831 u32 aq_nic_get_fw_version(struct aq_nic_s *self)
835 self->aq_hw_ops->hw_get_fw_version(self->aq_hw, &fw_version);
840 int aq_nic_stop(struct aq_nic_s *self)
842 struct aq_vec_s *aq_vec = NULL;
845 netif_tx_disable(self->ndev);
846 netif_carrier_off(self->ndev);
848 del_timer_sync(&self->service_timer);
850 self->aq_hw_ops->hw_irq_disable(self->aq_hw, AQ_CFG_IRQ_MASK);
852 if (self->aq_nic_cfg.is_polling)
853 del_timer_sync(&self->polling_timer);
855 aq_pci_func_free_irqs(self);
857 for (i = 0U, aq_vec = self->aq_vec[0];
858 self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i])
861 return self->aq_hw_ops->hw_stop(self->aq_hw);
864 void aq_nic_deinit(struct aq_nic_s *self)
866 struct aq_vec_s *aq_vec = NULL;
872 for (i = 0U, aq_vec = self->aq_vec[0];
873 self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i])
874 aq_vec_deinit(aq_vec);
876 if (self->power_state == AQ_HW_POWER_STATE_D0) {
877 (void)self->aq_hw_ops->hw_deinit(self->aq_hw);
879 (void)self->aq_hw_ops->hw_set_power(self->aq_hw,
886 void aq_nic_free_vectors(struct aq_nic_s *self)
893 for (i = ARRAY_SIZE(self->aq_vec); i--;) {
894 if (self->aq_vec[i]) {
895 aq_vec_free(self->aq_vec[i]);
896 self->aq_vec[i] = NULL;
903 int aq_nic_change_pm_state(struct aq_nic_s *self, pm_message_t *pm_msg)
907 if (!netif_running(self->ndev)) {
912 if (pm_msg->event & PM_EVENT_SLEEP || pm_msg->event & PM_EVENT_FREEZE) {
913 self->power_state = AQ_HW_POWER_STATE_D3;
914 netif_device_detach(self->ndev);
915 netif_tx_stop_all_queues(self->ndev);
917 err = aq_nic_stop(self);
923 err = aq_nic_init(self);
927 err = aq_nic_start(self);
931 netif_device_attach(self->ndev);
932 netif_tx_start_all_queues(self->ndev);