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_max, AQ_CFG_RXDS_DEF);
93 cfg->txds = min(cfg->aq_hw_caps->txds_max, 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 = min(cfg->vecs, self->irqvecs);
99 /* cfg->vecs should be power of 2 for RSS */
102 else if (cfg->vecs >= 4U)
104 else if (cfg->vecs >= 2U)
109 cfg->num_rss_queues = min(cfg->vecs, AQ_CFG_NUM_RSS_QUEUES_DEF);
111 cfg->irq_type = aq_pci_func_get_irq_type(self);
113 if ((cfg->irq_type == AQ_HW_IRQ_LEGACY) ||
114 (cfg->aq_hw_caps->vecs == 1U) ||
120 cfg->link_speed_msk &= cfg->aq_hw_caps->link_speed_msk;
121 cfg->hw_features = cfg->aq_hw_caps->hw_features;
124 static int aq_nic_update_link_status(struct aq_nic_s *self)
126 int err = self->aq_fw_ops->update_link_status(self->aq_hw);
132 if (self->link_status.mbps != self->aq_hw->aq_link_status.mbps) {
133 pr_info("%s: link change old %d new %d\n",
134 AQ_CFG_DRV_NAME, self->link_status.mbps,
135 self->aq_hw->aq_link_status.mbps);
136 aq_nic_update_interrupt_moderation_settings(self);
138 /* Driver has to update flow control settings on RX block
140 * We should query FW whether it negotiated FC.
142 if (self->aq_fw_ops->get_flow_control)
143 self->aq_fw_ops->get_flow_control(self->aq_hw, &fc);
144 if (self->aq_hw_ops->hw_set_fc)
145 self->aq_hw_ops->hw_set_fc(self->aq_hw, fc, 0);
148 self->link_status = self->aq_hw->aq_link_status;
149 if (!netif_carrier_ok(self->ndev) && self->link_status.mbps) {
150 aq_utils_obj_set(&self->flags,
151 AQ_NIC_FLAG_STARTED);
152 aq_utils_obj_clear(&self->flags,
154 netif_carrier_on(self->ndev);
155 netif_tx_wake_all_queues(self->ndev);
157 if (netif_carrier_ok(self->ndev) && !self->link_status.mbps) {
158 netif_carrier_off(self->ndev);
159 netif_tx_disable(self->ndev);
160 aq_utils_obj_set(&self->flags, AQ_NIC_LINK_DOWN);
165 static void aq_nic_service_timer_cb(struct timer_list *t)
167 struct aq_nic_s *self = from_timer(self, t, service_timer);
168 int ctimer = AQ_CFG_SERVICE_TIMER_INTERVAL;
171 if (aq_utils_obj_test(&self->flags, AQ_NIC_FLAGS_IS_NOT_READY))
174 err = aq_nic_update_link_status(self);
178 if (self->aq_fw_ops->update_stats)
179 self->aq_fw_ops->update_stats(self->aq_hw);
181 aq_nic_update_ndev_stats(self);
183 /* If no link - use faster timer rate to detect link up asap */
184 if (!netif_carrier_ok(self->ndev))
185 ctimer = max(ctimer / 2, 1);
188 mod_timer(&self->service_timer, jiffies + ctimer);
191 static void aq_nic_polling_timer_cb(struct timer_list *t)
193 struct aq_nic_s *self = from_timer(self, t, polling_timer);
194 struct aq_vec_s *aq_vec = NULL;
197 for (i = 0U, aq_vec = self->aq_vec[0];
198 self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i])
199 aq_vec_isr(i, (void *)aq_vec);
201 mod_timer(&self->polling_timer, jiffies +
202 AQ_CFG_POLLING_TIMER_INTERVAL);
205 int aq_nic_ndev_register(struct aq_nic_s *self)
214 err = hw_atl_utils_initfw(self->aq_hw, &self->aq_fw_ops);
218 err = self->aq_fw_ops->get_mac_permanent(self->aq_hw,
219 self->ndev->dev_addr);
223 #if defined(AQ_CFG_MAC_ADDR_PERMANENT)
225 static u8 mac_addr_permanent[] = AQ_CFG_MAC_ADDR_PERMANENT;
227 ether_addr_copy(self->ndev->dev_addr, mac_addr_permanent);
231 for (self->aq_vecs = 0; self->aq_vecs < aq_nic_get_cfg(self)->vecs;
233 self->aq_vec[self->aq_vecs] =
234 aq_vec_alloc(self, self->aq_vecs, aq_nic_get_cfg(self));
235 if (!self->aq_vec[self->aq_vecs]) {
241 netif_carrier_off(self->ndev);
243 netif_tx_disable(self->ndev);
245 err = register_netdev(self->ndev);
253 void aq_nic_ndev_init(struct aq_nic_s *self)
255 const struct aq_hw_caps_s *aq_hw_caps = self->aq_nic_cfg.aq_hw_caps;
256 struct aq_nic_cfg_s *aq_nic_cfg = &self->aq_nic_cfg;
258 self->ndev->hw_features |= aq_hw_caps->hw_features;
259 self->ndev->features = aq_hw_caps->hw_features;
260 self->ndev->vlan_features |= NETIF_F_HW_CSUM | NETIF_F_RXCSUM |
261 NETIF_F_RXHASH | NETIF_F_SG | NETIF_F_LRO;
262 self->ndev->priv_flags = aq_hw_caps->hw_priv_flags;
263 self->ndev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
265 self->ndev->mtu = aq_nic_cfg->mtu - ETH_HLEN;
266 self->ndev->max_mtu = aq_hw_caps->mtu - ETH_FCS_LEN - ETH_HLEN;
270 void aq_nic_set_tx_ring(struct aq_nic_s *self, unsigned int idx,
271 struct aq_ring_s *ring)
273 self->aq_ring_tx[idx] = ring;
276 struct net_device *aq_nic_get_ndev(struct aq_nic_s *self)
281 int aq_nic_init(struct aq_nic_s *self)
283 struct aq_vec_s *aq_vec = NULL;
287 self->power_state = AQ_HW_POWER_STATE_D0;
288 err = self->aq_hw_ops->hw_reset(self->aq_hw);
292 err = self->aq_hw_ops->hw_init(self->aq_hw,
293 aq_nic_get_ndev(self)->dev_addr);
297 for (i = 0U, aq_vec = self->aq_vec[0];
298 self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i])
299 aq_vec_init(aq_vec, self->aq_hw_ops, self->aq_hw);
301 netif_carrier_off(self->ndev);
307 int aq_nic_start(struct aq_nic_s *self)
309 struct aq_vec_s *aq_vec = NULL;
313 err = self->aq_hw_ops->hw_multicast_list_set(self->aq_hw,
315 self->mc_list.count);
319 err = self->aq_hw_ops->hw_packet_filter_set(self->aq_hw,
320 self->packet_filter);
324 for (i = 0U, aq_vec = self->aq_vec[0];
325 self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i]) {
326 err = aq_vec_start(aq_vec);
331 err = self->aq_hw_ops->hw_start(self->aq_hw);
335 err = aq_nic_update_interrupt_moderation_settings(self);
338 timer_setup(&self->service_timer, aq_nic_service_timer_cb, 0);
339 mod_timer(&self->service_timer, jiffies +
340 AQ_CFG_SERVICE_TIMER_INTERVAL);
342 if (self->aq_nic_cfg.is_polling) {
343 timer_setup(&self->polling_timer, aq_nic_polling_timer_cb, 0);
344 mod_timer(&self->polling_timer, jiffies +
345 AQ_CFG_POLLING_TIMER_INTERVAL);
347 for (i = 0U, aq_vec = self->aq_vec[0];
348 self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i]) {
349 err = aq_pci_func_alloc_irq(self, i,
350 self->ndev->name, aq_vec,
351 aq_vec_get_affinity_mask(aq_vec));
356 err = self->aq_hw_ops->hw_irq_enable(self->aq_hw,
362 err = netif_set_real_num_tx_queues(self->ndev, self->aq_vecs);
366 err = netif_set_real_num_rx_queues(self->ndev, self->aq_vecs);
370 netif_tx_start_all_queues(self->ndev);
376 static unsigned int aq_nic_map_skb(struct aq_nic_s *self,
378 struct aq_ring_s *ring)
380 unsigned int ret = 0U;
381 unsigned int nr_frags = skb_shinfo(skb)->nr_frags;
382 unsigned int frag_count = 0U;
383 unsigned int dx = ring->sw_tail;
384 struct aq_ring_buff_s *first = NULL;
385 struct aq_ring_buff_s *dx_buff = &ring->buff_ring[dx];
387 if (unlikely(skb_is_gso(skb))) {
389 dx_buff->len_pkt = skb->len;
390 dx_buff->len_l2 = ETH_HLEN;
391 dx_buff->len_l3 = ip_hdrlen(skb);
392 dx_buff->len_l4 = tcp_hdrlen(skb);
393 dx_buff->mss = skb_shinfo(skb)->gso_size;
394 dx_buff->is_txc = 1U;
395 dx_buff->eop_index = 0xffffU;
398 (ip_hdr(skb)->version == 6) ? 1U : 0U;
400 dx = aq_ring_next_dx(ring, dx);
401 dx_buff = &ring->buff_ring[dx];
406 dx_buff->len = skb_headlen(skb);
407 dx_buff->pa = dma_map_single(aq_nic_get_dev(self),
412 if (unlikely(dma_mapping_error(aq_nic_get_dev(self), dx_buff->pa)))
416 dx_buff->len_pkt = skb->len;
417 dx_buff->is_sop = 1U;
418 dx_buff->is_mapped = 1U;
421 if (skb->ip_summed == CHECKSUM_PARTIAL) {
422 dx_buff->is_ip_cso = (htons(ETH_P_IP) == skb->protocol) ?
425 if (ip_hdr(skb)->version == 4) {
426 dx_buff->is_tcp_cso =
427 (ip_hdr(skb)->protocol == IPPROTO_TCP) ?
429 dx_buff->is_udp_cso =
430 (ip_hdr(skb)->protocol == IPPROTO_UDP) ?
432 } else if (ip_hdr(skb)->version == 6) {
433 dx_buff->is_tcp_cso =
434 (ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP) ?
436 dx_buff->is_udp_cso =
437 (ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP) ?
442 for (; nr_frags--; ++frag_count) {
443 unsigned int frag_len = 0U;
444 unsigned int buff_offset = 0U;
445 unsigned int buff_size = 0U;
447 skb_frag_t *frag = &skb_shinfo(skb)->frags[frag_count];
449 frag_len = skb_frag_size(frag);
452 if (frag_len > AQ_CFG_TX_FRAME_MAX)
453 buff_size = AQ_CFG_TX_FRAME_MAX;
455 buff_size = frag_len;
457 frag_pa = skb_frag_dma_map(aq_nic_get_dev(self),
463 if (unlikely(dma_mapping_error(aq_nic_get_dev(self),
467 dx = aq_ring_next_dx(ring, dx);
468 dx_buff = &ring->buff_ring[dx];
471 dx_buff->len = buff_size;
472 dx_buff->pa = frag_pa;
473 dx_buff->is_mapped = 1U;
474 dx_buff->eop_index = 0xffffU;
476 frag_len -= buff_size;
477 buff_offset += buff_size;
483 first->eop_index = dx;
484 dx_buff->is_eop = 1U;
489 for (dx = ring->sw_tail;
491 --ret, dx = aq_ring_next_dx(ring, dx)) {
492 dx_buff = &ring->buff_ring[dx];
494 if (!dx_buff->is_txc && dx_buff->pa) {
495 if (unlikely(dx_buff->is_sop)) {
496 dma_unmap_single(aq_nic_get_dev(self),
501 dma_unmap_page(aq_nic_get_dev(self),
513 int aq_nic_xmit(struct aq_nic_s *self, struct sk_buff *skb)
515 struct aq_ring_s *ring = NULL;
516 unsigned int frags = 0U;
517 unsigned int vec = skb->queue_mapping % self->aq_nic_cfg.vecs;
518 unsigned int tc = 0U;
519 int err = NETDEV_TX_OK;
521 frags = skb_shinfo(skb)->nr_frags + 1;
523 ring = self->aq_ring_tx[AQ_NIC_TCVEC2RING(self, tc, vec)];
525 if (frags > AQ_CFG_SKB_FRAGS_MAX) {
526 dev_kfree_skb_any(skb);
530 aq_ring_update_queue_state(ring);
532 /* Above status update may stop the queue. Check this. */
533 if (__netif_subqueue_stopped(self->ndev, ring->idx)) {
534 err = NETDEV_TX_BUSY;
538 frags = aq_nic_map_skb(self, skb, ring);
541 err = self->aq_hw_ops->hw_ring_tx_xmit(self->aq_hw,
544 ++ring->stats.tx.packets;
545 ring->stats.tx.bytes += skb->len;
548 err = NETDEV_TX_BUSY;
555 int aq_nic_update_interrupt_moderation_settings(struct aq_nic_s *self)
557 return self->aq_hw_ops->hw_interrupt_moderation_set(self->aq_hw);
560 int aq_nic_set_packet_filter(struct aq_nic_s *self, unsigned int flags)
564 err = self->aq_hw_ops->hw_packet_filter_set(self->aq_hw, flags);
568 self->packet_filter = flags;
574 int aq_nic_set_multicast_list(struct aq_nic_s *self, struct net_device *ndev)
576 unsigned int packet_filter = self->packet_filter;
577 struct netdev_hw_addr *ha = NULL;
580 self->mc_list.count = 0;
581 if (netdev_uc_count(ndev) > AQ_HW_MULTICAST_ADDRESS_MAX) {
582 packet_filter |= IFF_PROMISC;
584 netdev_for_each_uc_addr(ha, ndev) {
585 ether_addr_copy(self->mc_list.ar[i++], ha->addr);
587 if (i >= AQ_HW_MULTICAST_ADDRESS_MAX)
592 if (i + netdev_mc_count(ndev) > AQ_HW_MULTICAST_ADDRESS_MAX) {
593 packet_filter |= IFF_ALLMULTI;
595 netdev_for_each_mc_addr(ha, ndev) {
596 ether_addr_copy(self->mc_list.ar[i++], ha->addr);
598 if (i >= AQ_HW_MULTICAST_ADDRESS_MAX)
603 if (i > 0 && i <= AQ_HW_MULTICAST_ADDRESS_MAX) {
604 packet_filter |= IFF_MULTICAST;
605 self->mc_list.count = i;
606 self->aq_hw_ops->hw_multicast_list_set(self->aq_hw,
608 self->mc_list.count);
610 return aq_nic_set_packet_filter(self, packet_filter);
613 int aq_nic_set_mtu(struct aq_nic_s *self, int new_mtu)
615 self->aq_nic_cfg.mtu = new_mtu;
620 int aq_nic_set_mac(struct aq_nic_s *self, struct net_device *ndev)
622 return self->aq_hw_ops->hw_set_mac_address(self->aq_hw, ndev->dev_addr);
625 unsigned int aq_nic_get_link_speed(struct aq_nic_s *self)
627 return self->link_status.mbps;
630 int aq_nic_get_regs(struct aq_nic_s *self, struct ethtool_regs *regs, void *p)
637 err = self->aq_hw_ops->hw_get_regs(self->aq_hw,
638 self->aq_nic_cfg.aq_hw_caps,
647 int aq_nic_get_regs_count(struct aq_nic_s *self)
649 return self->aq_nic_cfg.aq_hw_caps->mac_regs_count;
652 void aq_nic_get_stats(struct aq_nic_s *self, u64 *data)
655 unsigned int count = 0U;
656 struct aq_vec_s *aq_vec = NULL;
657 struct aq_stats_s *stats = self->aq_hw_ops->hw_get_hw_stats(self->aq_hw);
662 data[i] = stats->uprc + stats->mprc + stats->bprc;
663 data[++i] = stats->uprc;
664 data[++i] = stats->mprc;
665 data[++i] = stats->bprc;
666 data[++i] = stats->erpt;
667 data[++i] = stats->uptc + stats->mptc + stats->bptc;
668 data[++i] = stats->uptc;
669 data[++i] = stats->mptc;
670 data[++i] = stats->bptc;
671 data[++i] = stats->ubrc;
672 data[++i] = stats->ubtc;
673 data[++i] = stats->mbrc;
674 data[++i] = stats->mbtc;
675 data[++i] = stats->bbrc;
676 data[++i] = stats->bbtc;
677 data[++i] = stats->ubrc + stats->mbrc + stats->bbrc;
678 data[++i] = stats->ubtc + stats->mbtc + stats->bbtc;
679 data[++i] = stats->dma_pkt_rc;
680 data[++i] = stats->dma_pkt_tc;
681 data[++i] = stats->dma_oct_rc;
682 data[++i] = stats->dma_oct_tc;
683 data[++i] = stats->dpc;
689 for (i = 0U, aq_vec = self->aq_vec[0];
690 aq_vec && self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i]) {
692 aq_vec_get_sw_stats(aq_vec, data, &count);
698 static void aq_nic_update_ndev_stats(struct aq_nic_s *self)
700 struct net_device *ndev = self->ndev;
701 struct aq_stats_s *stats = self->aq_hw_ops->hw_get_hw_stats(self->aq_hw);
703 ndev->stats.rx_packets = stats->uprc + stats->mprc + stats->bprc;
704 ndev->stats.rx_bytes = stats->ubrc + stats->mbrc + stats->bbrc;
705 ndev->stats.rx_errors = stats->erpr;
706 ndev->stats.tx_packets = stats->uptc + stats->mptc + stats->bptc;
707 ndev->stats.tx_bytes = stats->ubtc + stats->mbtc + stats->bbtc;
708 ndev->stats.tx_errors = stats->erpt;
709 ndev->stats.multicast = stats->mprc;
712 void aq_nic_get_link_ksettings(struct aq_nic_s *self,
713 struct ethtool_link_ksettings *cmd)
715 if (self->aq_nic_cfg.aq_hw_caps->media_type == AQ_HW_MEDIA_TYPE_FIBRE)
716 cmd->base.port = PORT_FIBRE;
718 cmd->base.port = PORT_TP;
719 /* This driver supports only 10G capable adapters, so DUPLEX_FULL */
720 cmd->base.duplex = DUPLEX_FULL;
721 cmd->base.autoneg = self->aq_nic_cfg.is_autoneg;
723 ethtool_link_ksettings_zero_link_mode(cmd, supported);
725 if (self->aq_nic_cfg.aq_hw_caps->link_speed_msk & AQ_NIC_RATE_10G)
726 ethtool_link_ksettings_add_link_mode(cmd, supported,
729 if (self->aq_nic_cfg.aq_hw_caps->link_speed_msk & AQ_NIC_RATE_5G)
730 ethtool_link_ksettings_add_link_mode(cmd, supported,
733 if (self->aq_nic_cfg.aq_hw_caps->link_speed_msk & AQ_NIC_RATE_2GS)
734 ethtool_link_ksettings_add_link_mode(cmd, supported,
737 if (self->aq_nic_cfg.aq_hw_caps->link_speed_msk & AQ_NIC_RATE_1G)
738 ethtool_link_ksettings_add_link_mode(cmd, supported,
741 if (self->aq_nic_cfg.aq_hw_caps->link_speed_msk & AQ_NIC_RATE_100M)
742 ethtool_link_ksettings_add_link_mode(cmd, supported,
745 if (self->aq_nic_cfg.aq_hw_caps->flow_control)
746 ethtool_link_ksettings_add_link_mode(cmd, supported,
749 ethtool_link_ksettings_add_link_mode(cmd, supported, Autoneg);
751 if (self->aq_nic_cfg.aq_hw_caps->media_type == AQ_HW_MEDIA_TYPE_FIBRE)
752 ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE);
754 ethtool_link_ksettings_add_link_mode(cmd, supported, TP);
756 ethtool_link_ksettings_zero_link_mode(cmd, advertising);
758 if (self->aq_nic_cfg.is_autoneg)
759 ethtool_link_ksettings_add_link_mode(cmd, advertising, Autoneg);
761 if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_10G)
762 ethtool_link_ksettings_add_link_mode(cmd, advertising,
765 if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_5G)
766 ethtool_link_ksettings_add_link_mode(cmd, advertising,
769 if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_2GS)
770 ethtool_link_ksettings_add_link_mode(cmd, advertising,
773 if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_1G)
774 ethtool_link_ksettings_add_link_mode(cmd, advertising,
777 if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_100M)
778 ethtool_link_ksettings_add_link_mode(cmd, advertising,
781 if (self->aq_nic_cfg.flow_control & AQ_NIC_FC_RX)
782 ethtool_link_ksettings_add_link_mode(cmd, advertising,
785 /* Asym is when either RX or TX, but not both */
786 if (!!(self->aq_nic_cfg.flow_control & AQ_NIC_FC_TX) ^
787 !!(self->aq_nic_cfg.flow_control & AQ_NIC_FC_RX))
788 ethtool_link_ksettings_add_link_mode(cmd, advertising,
791 if (self->aq_nic_cfg.aq_hw_caps->media_type == AQ_HW_MEDIA_TYPE_FIBRE)
792 ethtool_link_ksettings_add_link_mode(cmd, advertising, FIBRE);
794 ethtool_link_ksettings_add_link_mode(cmd, advertising, TP);
797 int aq_nic_set_link_ksettings(struct aq_nic_s *self,
798 const struct ethtool_link_ksettings *cmd)
804 if (cmd->base.autoneg == AUTONEG_ENABLE) {
805 rate = self->aq_nic_cfg.aq_hw_caps->link_speed_msk;
806 self->aq_nic_cfg.is_autoneg = true;
808 speed = cmd->base.speed;
812 rate = AQ_NIC_RATE_100M;
816 rate = AQ_NIC_RATE_1G;
820 rate = AQ_NIC_RATE_2GS;
824 rate = AQ_NIC_RATE_5G;
828 rate = AQ_NIC_RATE_10G;
836 if (!(self->aq_nic_cfg.aq_hw_caps->link_speed_msk & rate)) {
841 self->aq_nic_cfg.is_autoneg = false;
844 err = self->aq_fw_ops->set_link_speed(self->aq_hw, rate);
848 self->aq_nic_cfg.link_speed_msk = rate;
854 struct aq_nic_cfg_s *aq_nic_get_cfg(struct aq_nic_s *self)
856 return &self->aq_nic_cfg;
859 u32 aq_nic_get_fw_version(struct aq_nic_s *self)
863 self->aq_hw_ops->hw_get_fw_version(self->aq_hw, &fw_version);
868 int aq_nic_stop(struct aq_nic_s *self)
870 struct aq_vec_s *aq_vec = NULL;
873 netif_tx_disable(self->ndev);
874 netif_carrier_off(self->ndev);
876 del_timer_sync(&self->service_timer);
878 self->aq_hw_ops->hw_irq_disable(self->aq_hw, AQ_CFG_IRQ_MASK);
880 if (self->aq_nic_cfg.is_polling)
881 del_timer_sync(&self->polling_timer);
883 aq_pci_func_free_irqs(self);
885 for (i = 0U, aq_vec = self->aq_vec[0];
886 self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i])
889 return self->aq_hw_ops->hw_stop(self->aq_hw);
892 void aq_nic_deinit(struct aq_nic_s *self)
894 struct aq_vec_s *aq_vec = NULL;
900 for (i = 0U, aq_vec = self->aq_vec[0];
901 self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i])
902 aq_vec_deinit(aq_vec);
904 self->aq_fw_ops->deinit(self->aq_hw);
906 if (self->power_state != AQ_HW_POWER_STATE_D0 ||
907 self->aq_hw->aq_nic_cfg->wol) {
908 self->aq_fw_ops->set_power(self->aq_hw,
910 self->ndev->dev_addr);
916 void aq_nic_free_vectors(struct aq_nic_s *self)
923 for (i = ARRAY_SIZE(self->aq_vec); i--;) {
924 if (self->aq_vec[i]) {
925 aq_vec_free(self->aq_vec[i]);
926 self->aq_vec[i] = NULL;
933 int aq_nic_change_pm_state(struct aq_nic_s *self, pm_message_t *pm_msg)
937 if (!netif_running(self->ndev)) {
942 if (pm_msg->event & PM_EVENT_SLEEP || pm_msg->event & PM_EVENT_FREEZE) {
943 self->power_state = AQ_HW_POWER_STATE_D3;
944 netif_device_detach(self->ndev);
945 netif_tx_stop_all_queues(self->ndev);
947 err = aq_nic_stop(self);
953 err = aq_nic_init(self);
957 err = aq_nic_start(self);
961 netif_device_attach(self->ndev);
962 netif_tx_start_all_queues(self->ndev);
971 void aq_nic_shutdown(struct aq_nic_s *self)
980 netif_device_detach(self->ndev);
982 if (netif_running(self->ndev)) {
983 err = aq_nic_stop(self);