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"
17 #include "aq_nic_internal.h"
19 #include <linux/moduleparam.h>
20 #include <linux/netdevice.h>
21 #include <linux/etherdevice.h>
22 #include <linux/timer.h>
23 #include <linux/cpu.h>
25 #include <linux/tcp.h>
28 static unsigned int aq_itr = AQ_CFG_INTERRUPT_MODERATION_AUTO;
29 module_param_named(aq_itr, aq_itr, uint, 0644);
30 MODULE_PARM_DESC(aq_itr, "Interrupt throttling mode");
32 static unsigned int aq_itr_tx;
33 module_param_named(aq_itr_tx, aq_itr_tx, uint, 0644);
34 MODULE_PARM_DESC(aq_itr_tx, "TX interrupt throttle rate");
36 static unsigned int aq_itr_rx;
37 module_param_named(aq_itr_rx, aq_itr_rx, uint, 0644);
38 MODULE_PARM_DESC(aq_itr_rx, "RX interrupt throttle rate");
40 static void aq_nic_rss_init(struct aq_nic_s *self, unsigned int num_rss_queues)
42 struct aq_nic_cfg_s *cfg = &self->aq_nic_cfg;
43 struct aq_rss_parameters *rss_params = &cfg->aq_rss;
46 static u8 rss_key[40] = {
47 0x1e, 0xad, 0x71, 0x87, 0x65, 0xfc, 0x26, 0x7d,
48 0x0d, 0x45, 0x67, 0x74, 0xcd, 0x06, 0x1a, 0x18,
49 0xb6, 0xc1, 0xf0, 0xc7, 0xbb, 0x18, 0xbe, 0xf8,
50 0x19, 0x13, 0x4b, 0xa9, 0xd0, 0x3e, 0xfe, 0x70,
51 0x25, 0x03, 0xab, 0x50, 0x6a, 0x8b, 0x82, 0x0c
54 rss_params->hash_secret_key_size = sizeof(rss_key);
55 memcpy(rss_params->hash_secret_key, rss_key, sizeof(rss_key));
56 rss_params->indirection_table_size = AQ_CFG_RSS_INDIRECTION_TABLE_MAX;
58 for (i = rss_params->indirection_table_size; i--;)
59 rss_params->indirection_table[i] = i & (num_rss_queues - 1);
62 /* Fills aq_nic_cfg with valid defaults */
63 static void aq_nic_cfg_init_defaults(struct aq_nic_s *self)
65 struct aq_nic_cfg_s *cfg = &self->aq_nic_cfg;
67 cfg->aq_hw_caps = &self->aq_hw_caps;
69 cfg->vecs = AQ_CFG_VECS_DEF;
70 cfg->tcs = AQ_CFG_TCS_DEF;
72 cfg->rxds = AQ_CFG_RXDS_DEF;
73 cfg->txds = AQ_CFG_TXDS_DEF;
75 cfg->is_polling = AQ_CFG_IS_POLLING_DEF;
78 cfg->tx_itr = aq_itr_tx;
79 cfg->rx_itr = aq_itr_rx;
81 cfg->is_rss = AQ_CFG_IS_RSS_DEF;
82 cfg->num_rss_queues = AQ_CFG_NUM_RSS_QUEUES_DEF;
83 cfg->aq_rss.base_cpu_number = AQ_CFG_RSS_BASE_CPU_NUM_DEF;
84 cfg->flow_control = AQ_CFG_FC_MODE;
86 cfg->mtu = AQ_CFG_MTU_DEF;
87 cfg->link_speed_msk = AQ_CFG_SPEED_MSK;
88 cfg->is_autoneg = AQ_CFG_IS_AUTONEG_DEF;
90 cfg->is_lro = AQ_CFG_IS_LRO_DEF;
94 aq_nic_rss_init(self, cfg->num_rss_queues);
97 /* Checks hw_caps and 'corrects' aq_nic_cfg in runtime */
98 int aq_nic_cfg_start(struct aq_nic_s *self)
100 struct aq_nic_cfg_s *cfg = &self->aq_nic_cfg;
103 cfg->rxds = min(cfg->rxds, cfg->aq_hw_caps->rxds);
104 cfg->txds = min(cfg->txds, cfg->aq_hw_caps->txds);
107 cfg->vecs = min(cfg->vecs, cfg->aq_hw_caps->vecs);
108 cfg->vecs = min(cfg->vecs, num_online_cpus());
109 /* cfg->vecs should be power of 2 for RSS */
112 else if (cfg->vecs >= 4U)
114 else if (cfg->vecs >= 2U)
119 cfg->num_rss_queues = min(cfg->vecs, AQ_CFG_NUM_RSS_QUEUES_DEF);
121 cfg->irq_type = aq_pci_func_get_irq_type(self->aq_pci_func);
123 if ((cfg->irq_type == AQ_HW_IRQ_LEGACY) ||
124 (self->aq_hw_caps.vecs == 1U) ||
130 cfg->link_speed_msk &= self->aq_hw_caps.link_speed_msk;
131 cfg->hw_features = self->aq_hw_caps.hw_features;
135 static int aq_nic_update_link_status(struct aq_nic_s *self)
137 int err = self->aq_hw_ops.hw_get_link_status(self->aq_hw);
142 if (self->link_status.mbps != self->aq_hw->aq_link_status.mbps) {
143 pr_info("%s: link change old %d new %d\n",
144 AQ_CFG_DRV_NAME, self->link_status.mbps,
145 self->aq_hw->aq_link_status.mbps);
146 aq_nic_update_interrupt_moderation_settings(self);
149 self->link_status = self->aq_hw->aq_link_status;
150 if (!netif_carrier_ok(self->ndev) && self->link_status.mbps) {
151 aq_utils_obj_set(&self->header.flags,
152 AQ_NIC_FLAG_STARTED);
153 aq_utils_obj_clear(&self->header.flags,
155 netif_carrier_on(self->ndev);
156 netif_tx_wake_all_queues(self->ndev);
158 if (netif_carrier_ok(self->ndev) && !self->link_status.mbps) {
159 netif_carrier_off(self->ndev);
160 netif_tx_disable(self->ndev);
161 aq_utils_obj_set(&self->header.flags, AQ_NIC_LINK_DOWN);
166 static void aq_nic_service_timer_cb(struct timer_list *t)
168 struct aq_nic_s *self = from_timer(self, t, service_timer);
169 struct net_device *ndev = aq_nic_get_ndev(self);
172 struct aq_ring_stats_rx_s stats_rx;
173 struct aq_ring_stats_tx_s stats_tx;
175 if (aq_utils_obj_test(&self->header.flags, AQ_NIC_FLAGS_IS_NOT_READY))
178 err = aq_nic_update_link_status(self);
182 if (self->aq_hw_ops.hw_update_stats)
183 self->aq_hw_ops.hw_update_stats(self->aq_hw);
185 memset(&stats_rx, 0U, sizeof(struct aq_ring_stats_rx_s));
186 memset(&stats_tx, 0U, sizeof(struct aq_ring_stats_tx_s));
187 for (i = AQ_DIMOF(self->aq_vec); i--;) {
189 aq_vec_add_stats(self->aq_vec[i], &stats_rx, &stats_tx);
192 ndev->stats.rx_packets = stats_rx.packets;
193 ndev->stats.rx_bytes = stats_rx.bytes;
194 ndev->stats.rx_errors = stats_rx.errors;
195 ndev->stats.tx_packets = stats_tx.packets;
196 ndev->stats.tx_bytes = stats_tx.bytes;
197 ndev->stats.tx_errors = stats_tx.errors;
200 mod_timer(&self->service_timer,
201 jiffies + AQ_CFG_SERVICE_TIMER_INTERVAL);
204 static void aq_nic_polling_timer_cb(struct timer_list *t)
206 struct aq_nic_s *self = from_timer(self, t, polling_timer);
207 struct aq_vec_s *aq_vec = NULL;
210 for (i = 0U, aq_vec = self->aq_vec[0];
211 self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i])
212 aq_vec_isr(i, (void *)aq_vec);
214 mod_timer(&self->polling_timer, jiffies +
215 AQ_CFG_POLLING_TIMER_INTERVAL);
218 static struct net_device *aq_nic_ndev_alloc(void)
220 return alloc_etherdev_mq(sizeof(struct aq_nic_s), AQ_CFG_VECS_MAX);
223 struct aq_nic_s *aq_nic_alloc_cold(const struct net_device_ops *ndev_ops,
224 const struct ethtool_ops *et_ops,
225 struct pci_dev *pdev,
226 struct aq_pci_func_s *aq_pci_func,
228 const struct aq_hw_ops *aq_hw_ops)
230 struct net_device *ndev = NULL;
231 struct aq_nic_s *self = NULL;
234 ndev = aq_nic_ndev_alloc();
240 self = netdev_priv(ndev);
242 ndev->netdev_ops = ndev_ops;
243 ndev->ethtool_ops = et_ops;
245 SET_NETDEV_DEV(ndev, &pdev->dev);
247 ndev->if_port = port;
250 self->aq_pci_func = aq_pci_func;
252 self->aq_hw_ops = *aq_hw_ops;
253 self->port = (u8)port;
255 self->aq_hw = self->aq_hw_ops.create(aq_pci_func, self->port,
257 err = self->aq_hw_ops.get_hw_caps(self->aq_hw, &self->aq_hw_caps,
258 pdev->device, pdev->subsystem_device);
262 aq_nic_cfg_init_defaults(self);
266 aq_nic_free_hot_resources(self);
272 int aq_nic_ndev_register(struct aq_nic_s *self)
280 err = self->aq_hw_ops.hw_get_mac_permanent(self->aq_hw,
281 self->aq_nic_cfg.aq_hw_caps,
282 self->ndev->dev_addr);
286 #if defined(AQ_CFG_MAC_ADDR_PERMANENT)
288 static u8 mac_addr_permanent[] = AQ_CFG_MAC_ADDR_PERMANENT;
290 ether_addr_copy(self->ndev->dev_addr, mac_addr_permanent);
294 netif_carrier_off(self->ndev);
296 netif_tx_disable(self->ndev);
298 err = register_netdev(self->ndev);
306 int aq_nic_ndev_init(struct aq_nic_s *self)
308 struct aq_hw_caps_s *aq_hw_caps = self->aq_nic_cfg.aq_hw_caps;
309 struct aq_nic_cfg_s *aq_nic_cfg = &self->aq_nic_cfg;
311 self->ndev->hw_features |= aq_hw_caps->hw_features;
312 self->ndev->features = aq_hw_caps->hw_features;
313 self->ndev->priv_flags = aq_hw_caps->hw_priv_flags;
314 self->ndev->mtu = aq_nic_cfg->mtu - ETH_HLEN;
315 self->ndev->max_mtu = self->aq_hw_caps.mtu - ETH_FCS_LEN - ETH_HLEN;
320 void aq_nic_ndev_free(struct aq_nic_s *self)
325 if (self->ndev->reg_state == NETREG_REGISTERED)
326 unregister_netdev(self->ndev);
329 self->aq_hw_ops.destroy(self->aq_hw);
331 free_netdev(self->ndev);
336 struct aq_nic_s *aq_nic_alloc_hot(struct net_device *ndev)
338 struct aq_nic_s *self = NULL;
345 self = netdev_priv(ndev);
351 if (netif_running(ndev))
352 netif_tx_disable(ndev);
353 netif_carrier_off(self->ndev);
355 for (self->aq_vecs = 0; self->aq_vecs < self->aq_nic_cfg.vecs;
357 self->aq_vec[self->aq_vecs] =
358 aq_vec_alloc(self, self->aq_vecs, &self->aq_nic_cfg);
359 if (!self->aq_vec[self->aq_vecs]) {
367 aq_nic_free_hot_resources(self);
373 void aq_nic_set_tx_ring(struct aq_nic_s *self, unsigned int idx,
374 struct aq_ring_s *ring)
376 self->aq_ring_tx[idx] = ring;
379 struct device *aq_nic_get_dev(struct aq_nic_s *self)
381 return self->ndev->dev.parent;
384 struct net_device *aq_nic_get_ndev(struct aq_nic_s *self)
389 int aq_nic_init(struct aq_nic_s *self)
391 struct aq_vec_s *aq_vec = NULL;
395 self->power_state = AQ_HW_POWER_STATE_D0;
396 err = self->aq_hw_ops.hw_reset(self->aq_hw);
400 err = self->aq_hw_ops.hw_init(self->aq_hw, &self->aq_nic_cfg,
401 aq_nic_get_ndev(self)->dev_addr);
405 for (i = 0U, aq_vec = self->aq_vec[0];
406 self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i])
407 aq_vec_init(aq_vec, &self->aq_hw_ops, self->aq_hw);
413 int aq_nic_start(struct aq_nic_s *self)
415 struct aq_vec_s *aq_vec = NULL;
419 err = self->aq_hw_ops.hw_multicast_list_set(self->aq_hw,
421 self->mc_list.count);
425 err = self->aq_hw_ops.hw_packet_filter_set(self->aq_hw,
426 self->packet_filter);
430 for (i = 0U, aq_vec = self->aq_vec[0];
431 self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i]) {
432 err = aq_vec_start(aq_vec);
437 err = self->aq_hw_ops.hw_start(self->aq_hw);
441 err = aq_nic_update_interrupt_moderation_settings(self);
444 timer_setup(&self->service_timer, aq_nic_service_timer_cb, 0);
445 mod_timer(&self->service_timer, jiffies +
446 AQ_CFG_SERVICE_TIMER_INTERVAL);
448 if (self->aq_nic_cfg.is_polling) {
449 timer_setup(&self->polling_timer, aq_nic_polling_timer_cb, 0);
450 mod_timer(&self->polling_timer, jiffies +
451 AQ_CFG_POLLING_TIMER_INTERVAL);
453 for (i = 0U, aq_vec = self->aq_vec[0];
454 self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i]) {
455 err = aq_pci_func_alloc_irq(self->aq_pci_func, i,
456 self->ndev->name, aq_vec,
457 aq_vec_get_affinity_mask(aq_vec));
462 err = self->aq_hw_ops.hw_irq_enable(self->aq_hw,
468 err = netif_set_real_num_tx_queues(self->ndev, self->aq_vecs);
472 err = netif_set_real_num_rx_queues(self->ndev, self->aq_vecs);
476 netif_tx_start_all_queues(self->ndev);
482 static unsigned int aq_nic_map_skb(struct aq_nic_s *self,
484 struct aq_ring_s *ring)
486 unsigned int ret = 0U;
487 unsigned int nr_frags = skb_shinfo(skb)->nr_frags;
488 unsigned int frag_count = 0U;
489 unsigned int dx = ring->sw_tail;
490 struct aq_ring_buff_s *first = NULL;
491 struct aq_ring_buff_s *dx_buff = &ring->buff_ring[dx];
493 if (unlikely(skb_is_gso(skb))) {
495 dx_buff->len_pkt = skb->len;
496 dx_buff->len_l2 = ETH_HLEN;
497 dx_buff->len_l3 = ip_hdrlen(skb);
498 dx_buff->len_l4 = tcp_hdrlen(skb);
499 dx_buff->mss = skb_shinfo(skb)->gso_size;
500 dx_buff->is_txc = 1U;
501 dx_buff->eop_index = 0xffffU;
504 (ip_hdr(skb)->version == 6) ? 1U : 0U;
506 dx = aq_ring_next_dx(ring, dx);
507 dx_buff = &ring->buff_ring[dx];
512 dx_buff->len = skb_headlen(skb);
513 dx_buff->pa = dma_map_single(aq_nic_get_dev(self),
518 if (unlikely(dma_mapping_error(aq_nic_get_dev(self), dx_buff->pa)))
522 dx_buff->len_pkt = skb->len;
523 dx_buff->is_sop = 1U;
524 dx_buff->is_mapped = 1U;
527 if (skb->ip_summed == CHECKSUM_PARTIAL) {
528 dx_buff->is_ip_cso = (htons(ETH_P_IP) == skb->protocol) ?
531 if (ip_hdr(skb)->version == 4) {
532 dx_buff->is_tcp_cso =
533 (ip_hdr(skb)->protocol == IPPROTO_TCP) ?
535 dx_buff->is_udp_cso =
536 (ip_hdr(skb)->protocol == IPPROTO_UDP) ?
538 } else if (ip_hdr(skb)->version == 6) {
539 dx_buff->is_tcp_cso =
540 (ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP) ?
542 dx_buff->is_udp_cso =
543 (ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP) ?
548 for (; nr_frags--; ++frag_count) {
549 unsigned int frag_len = 0U;
550 unsigned int buff_offset = 0U;
551 unsigned int buff_size = 0U;
553 skb_frag_t *frag = &skb_shinfo(skb)->frags[frag_count];
555 frag_len = skb_frag_size(frag);
558 if (frag_len > AQ_CFG_TX_FRAME_MAX)
559 buff_size = AQ_CFG_TX_FRAME_MAX;
561 buff_size = frag_len;
563 frag_pa = skb_frag_dma_map(aq_nic_get_dev(self),
569 if (unlikely(dma_mapping_error(aq_nic_get_dev(self),
573 dx = aq_ring_next_dx(ring, dx);
574 dx_buff = &ring->buff_ring[dx];
577 dx_buff->len = buff_size;
578 dx_buff->pa = frag_pa;
579 dx_buff->is_mapped = 1U;
580 dx_buff->eop_index = 0xffffU;
582 frag_len -= buff_size;
583 buff_offset += buff_size;
589 first->eop_index = dx;
590 dx_buff->is_eop = 1U;
595 for (dx = ring->sw_tail;
597 --ret, dx = aq_ring_next_dx(ring, dx)) {
598 dx_buff = &ring->buff_ring[dx];
600 if (!dx_buff->is_txc && dx_buff->pa) {
601 if (unlikely(dx_buff->is_sop)) {
602 dma_unmap_single(aq_nic_get_dev(self),
607 dma_unmap_page(aq_nic_get_dev(self),
619 int aq_nic_xmit(struct aq_nic_s *self, struct sk_buff *skb)
621 struct aq_ring_s *ring = NULL;
622 unsigned int frags = 0U;
623 unsigned int vec = skb->queue_mapping % self->aq_nic_cfg.vecs;
624 unsigned int tc = 0U;
625 int err = NETDEV_TX_OK;
627 frags = skb_shinfo(skb)->nr_frags + 1;
629 ring = self->aq_ring_tx[AQ_NIC_TCVEC2RING(self, tc, vec)];
631 if (frags > AQ_CFG_SKB_FRAGS_MAX) {
632 dev_kfree_skb_any(skb);
636 aq_ring_update_queue_state(ring);
638 /* Above status update may stop the queue. Check this. */
639 if (__netif_subqueue_stopped(self->ndev, ring->idx)) {
640 err = NETDEV_TX_BUSY;
644 frags = aq_nic_map_skb(self, skb, ring);
647 err = self->aq_hw_ops.hw_ring_tx_xmit(self->aq_hw,
651 ++ring->stats.tx.packets;
652 ring->stats.tx.bytes += skb->len;
655 err = NETDEV_TX_BUSY;
662 int aq_nic_update_interrupt_moderation_settings(struct aq_nic_s *self)
664 return self->aq_hw_ops.hw_interrupt_moderation_set(self->aq_hw);
667 int aq_nic_set_packet_filter(struct aq_nic_s *self, unsigned int flags)
671 err = self->aq_hw_ops.hw_packet_filter_set(self->aq_hw, flags);
675 self->packet_filter = flags;
681 int aq_nic_set_multicast_list(struct aq_nic_s *self, struct net_device *ndev)
683 struct netdev_hw_addr *ha = NULL;
686 self->mc_list.count = 0U;
688 netdev_for_each_mc_addr(ha, ndev) {
689 ether_addr_copy(self->mc_list.ar[i++], ha->addr);
690 ++self->mc_list.count;
692 if (i >= AQ_CFG_MULTICAST_ADDRESS_MAX)
696 if (i >= AQ_CFG_MULTICAST_ADDRESS_MAX) {
697 /* Number of filters is too big: atlantic does not support this.
698 * Force all multi filter to support this.
699 * With this we disable all UC filters and setup "all pass"
702 self->packet_filter |= IFF_ALLMULTI;
703 self->aq_hw->aq_nic_cfg->mc_list_count = 0;
704 return self->aq_hw_ops.hw_packet_filter_set(self->aq_hw,
705 self->packet_filter);
707 return self->aq_hw_ops.hw_multicast_list_set(self->aq_hw,
709 self->mc_list.count);
713 int aq_nic_set_mtu(struct aq_nic_s *self, int new_mtu)
715 self->aq_nic_cfg.mtu = new_mtu;
720 int aq_nic_set_mac(struct aq_nic_s *self, struct net_device *ndev)
722 return self->aq_hw_ops.hw_set_mac_address(self->aq_hw, ndev->dev_addr);
725 unsigned int aq_nic_get_link_speed(struct aq_nic_s *self)
727 return self->link_status.mbps;
730 int aq_nic_get_regs(struct aq_nic_s *self, struct ethtool_regs *regs, void *p)
737 err = self->aq_hw_ops.hw_get_regs(self->aq_hw,
738 &self->aq_hw_caps, regs_buff);
746 int aq_nic_get_regs_count(struct aq_nic_s *self)
748 return self->aq_hw_caps.mac_regs_count;
751 void aq_nic_get_stats(struct aq_nic_s *self, u64 *data)
753 struct aq_vec_s *aq_vec = NULL;
755 unsigned int count = 0U;
758 err = self->aq_hw_ops.hw_get_hw_stats(self->aq_hw, data, &count);
765 for (i = 0U, aq_vec = self->aq_vec[0];
766 aq_vec && self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i]) {
768 aq_vec_get_sw_stats(aq_vec, data, &count);
775 void aq_nic_get_link_ksettings(struct aq_nic_s *self,
776 struct ethtool_link_ksettings *cmd)
778 cmd->base.port = PORT_TP;
779 /* This driver supports only 10G capable adapters, so DUPLEX_FULL */
780 cmd->base.duplex = DUPLEX_FULL;
781 cmd->base.autoneg = self->aq_nic_cfg.is_autoneg;
783 ethtool_link_ksettings_zero_link_mode(cmd, supported);
785 if (self->aq_hw_caps.link_speed_msk & AQ_NIC_RATE_10G)
786 ethtool_link_ksettings_add_link_mode(cmd, supported,
789 if (self->aq_hw_caps.link_speed_msk & AQ_NIC_RATE_5G)
790 ethtool_link_ksettings_add_link_mode(cmd, supported,
793 if (self->aq_hw_caps.link_speed_msk & AQ_NIC_RATE_2GS)
794 ethtool_link_ksettings_add_link_mode(cmd, supported,
797 if (self->aq_hw_caps.link_speed_msk & AQ_NIC_RATE_1G)
798 ethtool_link_ksettings_add_link_mode(cmd, supported,
801 if (self->aq_hw_caps.link_speed_msk & AQ_NIC_RATE_100M)
802 ethtool_link_ksettings_add_link_mode(cmd, supported,
805 if (self->aq_hw_caps.flow_control)
806 ethtool_link_ksettings_add_link_mode(cmd, supported,
809 ethtool_link_ksettings_add_link_mode(cmd, supported, Autoneg);
810 ethtool_link_ksettings_add_link_mode(cmd, supported, TP);
812 ethtool_link_ksettings_zero_link_mode(cmd, advertising);
814 if (self->aq_nic_cfg.is_autoneg)
815 ethtool_link_ksettings_add_link_mode(cmd, advertising, Autoneg);
817 if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_10G)
818 ethtool_link_ksettings_add_link_mode(cmd, advertising,
821 if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_5G)
822 ethtool_link_ksettings_add_link_mode(cmd, advertising,
825 if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_2GS)
826 ethtool_link_ksettings_add_link_mode(cmd, advertising,
829 if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_1G)
830 ethtool_link_ksettings_add_link_mode(cmd, advertising,
833 if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_100M)
834 ethtool_link_ksettings_add_link_mode(cmd, advertising,
837 if (self->aq_nic_cfg.flow_control)
838 ethtool_link_ksettings_add_link_mode(cmd, advertising,
841 ethtool_link_ksettings_add_link_mode(cmd, advertising, TP);
844 int aq_nic_set_link_ksettings(struct aq_nic_s *self,
845 const struct ethtool_link_ksettings *cmd)
851 if (cmd->base.autoneg == AUTONEG_ENABLE) {
852 rate = self->aq_hw_caps.link_speed_msk;
853 self->aq_nic_cfg.is_autoneg = true;
855 speed = cmd->base.speed;
859 rate = AQ_NIC_RATE_100M;
863 rate = AQ_NIC_RATE_1G;
867 rate = AQ_NIC_RATE_2GS;
871 rate = AQ_NIC_RATE_5G;
875 rate = AQ_NIC_RATE_10G;
883 if (!(self->aq_hw_caps.link_speed_msk & rate)) {
888 self->aq_nic_cfg.is_autoneg = false;
891 err = self->aq_hw_ops.hw_set_link_speed(self->aq_hw, rate);
895 self->aq_nic_cfg.link_speed_msk = rate;
901 struct aq_nic_cfg_s *aq_nic_get_cfg(struct aq_nic_s *self)
903 return &self->aq_nic_cfg;
906 u32 aq_nic_get_fw_version(struct aq_nic_s *self)
910 self->aq_hw_ops.hw_get_fw_version(self->aq_hw, &fw_version);
915 int aq_nic_stop(struct aq_nic_s *self)
917 struct aq_vec_s *aq_vec = NULL;
920 netif_tx_disable(self->ndev);
921 netif_carrier_off(self->ndev);
923 del_timer_sync(&self->service_timer);
925 self->aq_hw_ops.hw_irq_disable(self->aq_hw, AQ_CFG_IRQ_MASK);
927 if (self->aq_nic_cfg.is_polling)
928 del_timer_sync(&self->polling_timer);
930 aq_pci_func_free_irqs(self->aq_pci_func);
932 for (i = 0U, aq_vec = self->aq_vec[0];
933 self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i])
936 return self->aq_hw_ops.hw_stop(self->aq_hw);
939 void aq_nic_deinit(struct aq_nic_s *self)
941 struct aq_vec_s *aq_vec = NULL;
947 for (i = 0U, aq_vec = self->aq_vec[0];
948 self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i])
949 aq_vec_deinit(aq_vec);
951 if (self->power_state == AQ_HW_POWER_STATE_D0) {
952 (void)self->aq_hw_ops.hw_deinit(self->aq_hw);
954 (void)self->aq_hw_ops.hw_set_power(self->aq_hw,
961 void aq_nic_free_hot_resources(struct aq_nic_s *self)
968 for (i = AQ_DIMOF(self->aq_vec); i--;) {
969 if (self->aq_vec[i]) {
970 aq_vec_free(self->aq_vec[i]);
971 self->aq_vec[i] = NULL;
978 int aq_nic_change_pm_state(struct aq_nic_s *self, pm_message_t *pm_msg)
982 if (!netif_running(self->ndev)) {
987 if (pm_msg->event & PM_EVENT_SLEEP || pm_msg->event & PM_EVENT_FREEZE) {
988 self->power_state = AQ_HW_POWER_STATE_D3;
989 netif_device_detach(self->ndev);
990 netif_tx_stop_all_queues(self->ndev);
992 err = aq_nic_stop(self);
998 err = aq_nic_init(self);
1002 err = aq_nic_start(self);
1006 netif_device_attach(self->ndev);
1007 netif_tx_start_all_queues(self->ndev);