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"
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_update_ndev_stats(struct aq_nic_s *self);
42 static void aq_nic_rss_init(struct aq_nic_s *self, unsigned int num_rss_queues)
44 struct aq_nic_cfg_s *cfg = &self->aq_nic_cfg;
45 struct aq_rss_parameters *rss_params = &cfg->aq_rss;
48 static u8 rss_key[AQ_CFG_RSS_HASHKEY_SIZE] = {
49 0x1e, 0xad, 0x71, 0x87, 0x65, 0xfc, 0x26, 0x7d,
50 0x0d, 0x45, 0x67, 0x74, 0xcd, 0x06, 0x1a, 0x18,
51 0xb6, 0xc1, 0xf0, 0xc7, 0xbb, 0x18, 0xbe, 0xf8,
52 0x19, 0x13, 0x4b, 0xa9, 0xd0, 0x3e, 0xfe, 0x70,
53 0x25, 0x03, 0xab, 0x50, 0x6a, 0x8b, 0x82, 0x0c
56 rss_params->hash_secret_key_size = sizeof(rss_key);
57 memcpy(rss_params->hash_secret_key, rss_key, sizeof(rss_key));
58 rss_params->indirection_table_size = AQ_CFG_RSS_INDIRECTION_TABLE_MAX;
60 for (i = rss_params->indirection_table_size; i--;)
61 rss_params->indirection_table[i] = i & (num_rss_queues - 1);
64 /* Checks hw_caps and 'corrects' aq_nic_cfg in runtime */
65 void aq_nic_cfg_start(struct aq_nic_s *self)
67 struct aq_nic_cfg_s *cfg = &self->aq_nic_cfg;
69 cfg->tcs = AQ_CFG_TCS_DEF;
71 cfg->is_polling = AQ_CFG_IS_POLLING_DEF;
74 cfg->tx_itr = aq_itr_tx;
75 cfg->rx_itr = aq_itr_rx;
77 cfg->rxpageorder = AQ_CFG_RX_PAGEORDER;
78 cfg->is_rss = AQ_CFG_IS_RSS_DEF;
79 cfg->num_rss_queues = AQ_CFG_NUM_RSS_QUEUES_DEF;
80 cfg->aq_rss.base_cpu_number = AQ_CFG_RSS_BASE_CPU_NUM_DEF;
81 cfg->flow_control = AQ_CFG_FC_MODE;
83 cfg->mtu = AQ_CFG_MTU_DEF;
84 cfg->link_speed_msk = AQ_CFG_SPEED_MSK;
85 cfg->is_autoneg = AQ_CFG_IS_AUTONEG_DEF;
87 cfg->is_lro = AQ_CFG_IS_LRO_DEF;
90 cfg->rxds = min(cfg->aq_hw_caps->rxds_max, AQ_CFG_RXDS_DEF);
91 cfg->txds = min(cfg->aq_hw_caps->txds_max, AQ_CFG_TXDS_DEF);
94 cfg->vecs = min(cfg->aq_hw_caps->vecs, AQ_CFG_VECS_DEF);
95 cfg->vecs = min(cfg->vecs, num_online_cpus());
96 if (self->irqvecs > AQ_HW_SERVICE_IRQS)
97 cfg->vecs = min(cfg->vecs, self->irqvecs - AQ_HW_SERVICE_IRQS);
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 aq_nic_rss_init(self, cfg->num_rss_queues);
112 cfg->irq_type = aq_pci_func_get_irq_type(self);
114 if ((cfg->irq_type == AQ_HW_IRQ_LEGACY) ||
115 (cfg->aq_hw_caps->vecs == 1U) ||
121 /* Check if we have enough vectors allocated for
122 * link status IRQ. If no - we'll know link state from
123 * slower service task.
125 if (AQ_HW_SERVICE_IRQS > 0 && cfg->vecs + 1 <= self->irqvecs)
126 cfg->link_irq_vec = cfg->vecs;
128 cfg->link_irq_vec = 0;
130 cfg->link_speed_msk &= cfg->aq_hw_caps->link_speed_msk;
131 cfg->features = cfg->aq_hw_caps->hw_features;
134 static int aq_nic_update_link_status(struct aq_nic_s *self)
136 int err = self->aq_fw_ops->update_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);
148 /* Driver has to update flow control settings on RX block
150 * We should query FW whether it negotiated FC.
152 if (self->aq_fw_ops->get_flow_control)
153 self->aq_fw_ops->get_flow_control(self->aq_hw, &fc);
154 if (self->aq_hw_ops->hw_set_fc)
155 self->aq_hw_ops->hw_set_fc(self->aq_hw, fc, 0);
158 self->link_status = self->aq_hw->aq_link_status;
159 if (!netif_carrier_ok(self->ndev) && self->link_status.mbps) {
160 aq_utils_obj_set(&self->flags,
161 AQ_NIC_FLAG_STARTED);
162 aq_utils_obj_clear(&self->flags,
164 netif_carrier_on(self->ndev);
165 netif_tx_wake_all_queues(self->ndev);
167 if (netif_carrier_ok(self->ndev) && !self->link_status.mbps) {
168 netif_carrier_off(self->ndev);
169 netif_tx_disable(self->ndev);
170 aq_utils_obj_set(&self->flags, AQ_NIC_LINK_DOWN);
175 static irqreturn_t aq_linkstate_threaded_isr(int irq, void *private)
177 struct aq_nic_s *self = private;
182 aq_nic_update_link_status(self);
184 self->aq_hw_ops->hw_irq_enable(self->aq_hw,
185 BIT(self->aq_nic_cfg.link_irq_vec));
189 static void aq_nic_service_task(struct work_struct *work)
191 struct aq_nic_s *self = container_of(work, struct aq_nic_s,
195 if (aq_utils_obj_test(&self->flags, AQ_NIC_FLAGS_IS_NOT_READY))
198 err = aq_nic_update_link_status(self);
202 mutex_lock(&self->fwreq_mutex);
203 if (self->aq_fw_ops->update_stats)
204 self->aq_fw_ops->update_stats(self->aq_hw);
205 mutex_unlock(&self->fwreq_mutex);
207 aq_nic_update_ndev_stats(self);
210 static void aq_nic_service_timer_cb(struct timer_list *t)
212 struct aq_nic_s *self = from_timer(self, t, service_timer);
214 mod_timer(&self->service_timer, jiffies + AQ_CFG_SERVICE_TIMER_INTERVAL);
216 aq_ndev_schedule_work(&self->service_task);
219 static void aq_nic_polling_timer_cb(struct timer_list *t)
221 struct aq_nic_s *self = from_timer(self, t, polling_timer);
222 struct aq_vec_s *aq_vec = NULL;
225 for (i = 0U, aq_vec = self->aq_vec[0];
226 self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i])
227 aq_vec_isr(i, (void *)aq_vec);
229 mod_timer(&self->polling_timer, jiffies +
230 AQ_CFG_POLLING_TIMER_INTERVAL);
233 int aq_nic_ndev_register(struct aq_nic_s *self)
242 err = hw_atl_utils_initfw(self->aq_hw, &self->aq_fw_ops);
246 mutex_lock(&self->fwreq_mutex);
247 err = self->aq_fw_ops->get_mac_permanent(self->aq_hw,
248 self->ndev->dev_addr);
249 mutex_unlock(&self->fwreq_mutex);
253 #if defined(AQ_CFG_MAC_ADDR_PERMANENT)
255 static u8 mac_addr_permanent[] = AQ_CFG_MAC_ADDR_PERMANENT;
257 ether_addr_copy(self->ndev->dev_addr, mac_addr_permanent);
261 for (self->aq_vecs = 0; self->aq_vecs < aq_nic_get_cfg(self)->vecs;
263 self->aq_vec[self->aq_vecs] =
264 aq_vec_alloc(self, self->aq_vecs, aq_nic_get_cfg(self));
265 if (!self->aq_vec[self->aq_vecs]) {
271 netif_carrier_off(self->ndev);
273 netif_tx_disable(self->ndev);
275 err = register_netdev(self->ndev);
283 void aq_nic_ndev_init(struct aq_nic_s *self)
285 const struct aq_hw_caps_s *aq_hw_caps = self->aq_nic_cfg.aq_hw_caps;
286 struct aq_nic_cfg_s *aq_nic_cfg = &self->aq_nic_cfg;
288 self->ndev->hw_features |= aq_hw_caps->hw_features;
289 self->ndev->features = aq_hw_caps->hw_features;
290 self->ndev->vlan_features |= NETIF_F_HW_CSUM | NETIF_F_RXCSUM |
291 NETIF_F_RXHASH | NETIF_F_SG | NETIF_F_LRO;
292 self->ndev->priv_flags = aq_hw_caps->hw_priv_flags;
293 self->ndev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
295 self->ndev->mtu = aq_nic_cfg->mtu - ETH_HLEN;
296 self->ndev->max_mtu = aq_hw_caps->mtu - ETH_FCS_LEN - ETH_HLEN;
300 void aq_nic_set_tx_ring(struct aq_nic_s *self, unsigned int idx,
301 struct aq_ring_s *ring)
303 self->aq_ring_tx[idx] = ring;
306 struct net_device *aq_nic_get_ndev(struct aq_nic_s *self)
311 int aq_nic_init(struct aq_nic_s *self)
313 struct aq_vec_s *aq_vec = NULL;
317 self->power_state = AQ_HW_POWER_STATE_D0;
318 mutex_lock(&self->fwreq_mutex);
319 err = self->aq_hw_ops->hw_reset(self->aq_hw);
320 mutex_unlock(&self->fwreq_mutex);
324 err = self->aq_hw_ops->hw_init(self->aq_hw,
325 aq_nic_get_ndev(self)->dev_addr);
329 for (i = 0U, aq_vec = self->aq_vec[0];
330 self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i])
331 aq_vec_init(aq_vec, self->aq_hw_ops, self->aq_hw);
333 netif_carrier_off(self->ndev);
339 int aq_nic_start(struct aq_nic_s *self)
341 struct aq_vec_s *aq_vec = NULL;
345 err = self->aq_hw_ops->hw_multicast_list_set(self->aq_hw,
347 self->mc_list.count);
351 err = self->aq_hw_ops->hw_packet_filter_set(self->aq_hw,
352 self->packet_filter);
356 for (i = 0U, aq_vec = self->aq_vec[0];
357 self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i]) {
358 err = aq_vec_start(aq_vec);
363 err = self->aq_hw_ops->hw_start(self->aq_hw);
367 err = aq_nic_update_interrupt_moderation_settings(self);
371 INIT_WORK(&self->service_task, aq_nic_service_task);
373 timer_setup(&self->service_timer, aq_nic_service_timer_cb, 0);
374 aq_nic_service_timer_cb(&self->service_timer);
376 if (self->aq_nic_cfg.is_polling) {
377 timer_setup(&self->polling_timer, aq_nic_polling_timer_cb, 0);
378 mod_timer(&self->polling_timer, jiffies +
379 AQ_CFG_POLLING_TIMER_INTERVAL);
381 for (i = 0U, aq_vec = self->aq_vec[0];
382 self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i]) {
383 err = aq_pci_func_alloc_irq(self, i, self->ndev->name,
385 aq_vec_get_affinity_mask(aq_vec));
390 if (self->aq_nic_cfg.link_irq_vec) {
391 int irqvec = pci_irq_vector(self->pdev,
392 self->aq_nic_cfg.link_irq_vec);
393 err = request_threaded_irq(irqvec, NULL,
394 aq_linkstate_threaded_isr,
396 self->ndev->name, self);
399 self->msix_entry_mask |= (1 << self->aq_nic_cfg.link_irq_vec);
402 err = self->aq_hw_ops->hw_irq_enable(self->aq_hw,
408 err = netif_set_real_num_tx_queues(self->ndev, self->aq_vecs);
412 err = netif_set_real_num_rx_queues(self->ndev, self->aq_vecs);
416 netif_tx_start_all_queues(self->ndev);
422 static unsigned int aq_nic_map_skb(struct aq_nic_s *self,
424 struct aq_ring_s *ring)
426 unsigned int ret = 0U;
427 unsigned int nr_frags = skb_shinfo(skb)->nr_frags;
428 unsigned int frag_count = 0U;
429 unsigned int dx = ring->sw_tail;
430 struct aq_ring_buff_s *first = NULL;
431 struct aq_ring_buff_s *dx_buff = &ring->buff_ring[dx];
433 if (unlikely(skb_is_gso(skb))) {
435 dx_buff->len_pkt = skb->len;
436 dx_buff->len_l2 = ETH_HLEN;
437 dx_buff->len_l3 = ip_hdrlen(skb);
438 dx_buff->len_l4 = tcp_hdrlen(skb);
439 dx_buff->mss = skb_shinfo(skb)->gso_size;
440 dx_buff->is_txc = 1U;
441 dx_buff->eop_index = 0xffffU;
444 (ip_hdr(skb)->version == 6) ? 1U : 0U;
446 dx = aq_ring_next_dx(ring, dx);
447 dx_buff = &ring->buff_ring[dx];
452 dx_buff->len = skb_headlen(skb);
453 dx_buff->pa = dma_map_single(aq_nic_get_dev(self),
458 if (unlikely(dma_mapping_error(aq_nic_get_dev(self), dx_buff->pa)))
462 dx_buff->len_pkt = skb->len;
463 dx_buff->is_sop = 1U;
464 dx_buff->is_mapped = 1U;
467 if (skb->ip_summed == CHECKSUM_PARTIAL) {
468 dx_buff->is_ip_cso = (htons(ETH_P_IP) == skb->protocol) ?
471 if (ip_hdr(skb)->version == 4) {
472 dx_buff->is_tcp_cso =
473 (ip_hdr(skb)->protocol == IPPROTO_TCP) ?
475 dx_buff->is_udp_cso =
476 (ip_hdr(skb)->protocol == IPPROTO_UDP) ?
478 } else if (ip_hdr(skb)->version == 6) {
479 dx_buff->is_tcp_cso =
480 (ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP) ?
482 dx_buff->is_udp_cso =
483 (ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP) ?
488 for (; nr_frags--; ++frag_count) {
489 unsigned int frag_len = 0U;
490 unsigned int buff_offset = 0U;
491 unsigned int buff_size = 0U;
493 skb_frag_t *frag = &skb_shinfo(skb)->frags[frag_count];
495 frag_len = skb_frag_size(frag);
498 if (frag_len > AQ_CFG_TX_FRAME_MAX)
499 buff_size = AQ_CFG_TX_FRAME_MAX;
501 buff_size = frag_len;
503 frag_pa = skb_frag_dma_map(aq_nic_get_dev(self),
509 if (unlikely(dma_mapping_error(aq_nic_get_dev(self),
513 dx = aq_ring_next_dx(ring, dx);
514 dx_buff = &ring->buff_ring[dx];
517 dx_buff->len = buff_size;
518 dx_buff->pa = frag_pa;
519 dx_buff->is_mapped = 1U;
520 dx_buff->eop_index = 0xffffU;
522 frag_len -= buff_size;
523 buff_offset += buff_size;
529 first->eop_index = dx;
530 dx_buff->is_eop = 1U;
535 for (dx = ring->sw_tail;
537 --ret, dx = aq_ring_next_dx(ring, dx)) {
538 dx_buff = &ring->buff_ring[dx];
540 if (!dx_buff->is_txc && dx_buff->pa) {
541 if (unlikely(dx_buff->is_sop)) {
542 dma_unmap_single(aq_nic_get_dev(self),
547 dma_unmap_page(aq_nic_get_dev(self),
559 int aq_nic_xmit(struct aq_nic_s *self, struct sk_buff *skb)
561 struct aq_ring_s *ring = NULL;
562 unsigned int frags = 0U;
563 unsigned int vec = skb->queue_mapping % self->aq_nic_cfg.vecs;
564 unsigned int tc = 0U;
565 int err = NETDEV_TX_OK;
567 frags = skb_shinfo(skb)->nr_frags + 1;
569 ring = self->aq_ring_tx[AQ_NIC_TCVEC2RING(self, tc, vec)];
571 if (frags > AQ_CFG_SKB_FRAGS_MAX) {
572 dev_kfree_skb_any(skb);
576 aq_ring_update_queue_state(ring);
578 /* Above status update may stop the queue. Check this. */
579 if (__netif_subqueue_stopped(self->ndev, ring->idx)) {
580 err = NETDEV_TX_BUSY;
584 frags = aq_nic_map_skb(self, skb, ring);
587 err = self->aq_hw_ops->hw_ring_tx_xmit(self->aq_hw,
590 ++ring->stats.tx.packets;
591 ring->stats.tx.bytes += skb->len;
594 err = NETDEV_TX_BUSY;
601 int aq_nic_update_interrupt_moderation_settings(struct aq_nic_s *self)
603 return self->aq_hw_ops->hw_interrupt_moderation_set(self->aq_hw);
606 int aq_nic_set_packet_filter(struct aq_nic_s *self, unsigned int flags)
610 err = self->aq_hw_ops->hw_packet_filter_set(self->aq_hw, flags);
614 self->packet_filter = flags;
620 int aq_nic_set_multicast_list(struct aq_nic_s *self, struct net_device *ndev)
622 unsigned int packet_filter = self->packet_filter;
623 struct netdev_hw_addr *ha = NULL;
626 self->mc_list.count = 0;
627 if (netdev_uc_count(ndev) > AQ_HW_MULTICAST_ADDRESS_MAX) {
628 packet_filter |= IFF_PROMISC;
630 netdev_for_each_uc_addr(ha, ndev) {
631 ether_addr_copy(self->mc_list.ar[i++], ha->addr);
633 if (i >= AQ_HW_MULTICAST_ADDRESS_MAX)
638 if (i + netdev_mc_count(ndev) > AQ_HW_MULTICAST_ADDRESS_MAX) {
639 packet_filter |= IFF_ALLMULTI;
641 netdev_for_each_mc_addr(ha, ndev) {
642 ether_addr_copy(self->mc_list.ar[i++], ha->addr);
644 if (i >= AQ_HW_MULTICAST_ADDRESS_MAX)
649 if (i > 0 && i <= AQ_HW_MULTICAST_ADDRESS_MAX) {
650 packet_filter |= IFF_MULTICAST;
651 self->mc_list.count = i;
652 self->aq_hw_ops->hw_multicast_list_set(self->aq_hw,
654 self->mc_list.count);
656 return aq_nic_set_packet_filter(self, packet_filter);
659 int aq_nic_set_mtu(struct aq_nic_s *self, int new_mtu)
661 self->aq_nic_cfg.mtu = new_mtu;
666 int aq_nic_set_mac(struct aq_nic_s *self, struct net_device *ndev)
668 return self->aq_hw_ops->hw_set_mac_address(self->aq_hw, ndev->dev_addr);
671 unsigned int aq_nic_get_link_speed(struct aq_nic_s *self)
673 return self->link_status.mbps;
676 int aq_nic_get_regs(struct aq_nic_s *self, struct ethtool_regs *regs, void *p)
683 err = self->aq_hw_ops->hw_get_regs(self->aq_hw,
684 self->aq_nic_cfg.aq_hw_caps,
693 int aq_nic_get_regs_count(struct aq_nic_s *self)
695 return self->aq_nic_cfg.aq_hw_caps->mac_regs_count;
698 void aq_nic_get_stats(struct aq_nic_s *self, u64 *data)
701 unsigned int count = 0U;
702 struct aq_vec_s *aq_vec = NULL;
703 struct aq_stats_s *stats;
705 if (self->aq_fw_ops->update_stats) {
706 mutex_lock(&self->fwreq_mutex);
707 self->aq_fw_ops->update_stats(self->aq_hw);
708 mutex_unlock(&self->fwreq_mutex);
710 stats = self->aq_hw_ops->hw_get_hw_stats(self->aq_hw);
715 data[i] = stats->uprc + stats->mprc + stats->bprc;
716 data[++i] = stats->uprc;
717 data[++i] = stats->mprc;
718 data[++i] = stats->bprc;
719 data[++i] = stats->erpt;
720 data[++i] = stats->uptc + stats->mptc + stats->bptc;
721 data[++i] = stats->uptc;
722 data[++i] = stats->mptc;
723 data[++i] = stats->bptc;
724 data[++i] = stats->ubrc;
725 data[++i] = stats->ubtc;
726 data[++i] = stats->mbrc;
727 data[++i] = stats->mbtc;
728 data[++i] = stats->bbrc;
729 data[++i] = stats->bbtc;
730 data[++i] = stats->ubrc + stats->mbrc + stats->bbrc;
731 data[++i] = stats->ubtc + stats->mbtc + stats->bbtc;
732 data[++i] = stats->dma_pkt_rc;
733 data[++i] = stats->dma_pkt_tc;
734 data[++i] = stats->dma_oct_rc;
735 data[++i] = stats->dma_oct_tc;
736 data[++i] = stats->dpc;
742 for (i = 0U, aq_vec = self->aq_vec[0];
743 aq_vec && self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i]) {
745 aq_vec_get_sw_stats(aq_vec, data, &count);
751 static void aq_nic_update_ndev_stats(struct aq_nic_s *self)
753 struct net_device *ndev = self->ndev;
754 struct aq_stats_s *stats = self->aq_hw_ops->hw_get_hw_stats(self->aq_hw);
756 ndev->stats.rx_packets = stats->dma_pkt_rc;
757 ndev->stats.rx_bytes = stats->dma_oct_rc;
758 ndev->stats.rx_errors = stats->erpr;
759 ndev->stats.rx_dropped = stats->dpc;
760 ndev->stats.tx_packets = stats->dma_pkt_tc;
761 ndev->stats.tx_bytes = stats->dma_oct_tc;
762 ndev->stats.tx_errors = stats->erpt;
763 ndev->stats.multicast = stats->mprc;
766 void aq_nic_get_link_ksettings(struct aq_nic_s *self,
767 struct ethtool_link_ksettings *cmd)
769 if (self->aq_nic_cfg.aq_hw_caps->media_type == AQ_HW_MEDIA_TYPE_FIBRE)
770 cmd->base.port = PORT_FIBRE;
772 cmd->base.port = PORT_TP;
773 /* This driver supports only 10G capable adapters, so DUPLEX_FULL */
774 cmd->base.duplex = DUPLEX_FULL;
775 cmd->base.autoneg = self->aq_nic_cfg.is_autoneg;
777 ethtool_link_ksettings_zero_link_mode(cmd, supported);
779 if (self->aq_nic_cfg.aq_hw_caps->link_speed_msk & AQ_NIC_RATE_10G)
780 ethtool_link_ksettings_add_link_mode(cmd, supported,
783 if (self->aq_nic_cfg.aq_hw_caps->link_speed_msk & AQ_NIC_RATE_5G)
784 ethtool_link_ksettings_add_link_mode(cmd, supported,
787 if (self->aq_nic_cfg.aq_hw_caps->link_speed_msk & AQ_NIC_RATE_2GS)
788 ethtool_link_ksettings_add_link_mode(cmd, supported,
791 if (self->aq_nic_cfg.aq_hw_caps->link_speed_msk & AQ_NIC_RATE_1G)
792 ethtool_link_ksettings_add_link_mode(cmd, supported,
795 if (self->aq_nic_cfg.aq_hw_caps->link_speed_msk & AQ_NIC_RATE_100M)
796 ethtool_link_ksettings_add_link_mode(cmd, supported,
799 if (self->aq_nic_cfg.aq_hw_caps->flow_control)
800 ethtool_link_ksettings_add_link_mode(cmd, supported,
803 ethtool_link_ksettings_add_link_mode(cmd, supported, Autoneg);
805 if (self->aq_nic_cfg.aq_hw_caps->media_type == AQ_HW_MEDIA_TYPE_FIBRE)
806 ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE);
808 ethtool_link_ksettings_add_link_mode(cmd, supported, TP);
810 ethtool_link_ksettings_zero_link_mode(cmd, advertising);
812 if (self->aq_nic_cfg.is_autoneg)
813 ethtool_link_ksettings_add_link_mode(cmd, advertising, Autoneg);
815 if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_10G)
816 ethtool_link_ksettings_add_link_mode(cmd, advertising,
819 if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_5G)
820 ethtool_link_ksettings_add_link_mode(cmd, advertising,
823 if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_2GS)
824 ethtool_link_ksettings_add_link_mode(cmd, advertising,
827 if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_1G)
828 ethtool_link_ksettings_add_link_mode(cmd, advertising,
831 if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_100M)
832 ethtool_link_ksettings_add_link_mode(cmd, advertising,
835 if (self->aq_nic_cfg.flow_control & AQ_NIC_FC_RX)
836 ethtool_link_ksettings_add_link_mode(cmd, advertising,
839 /* Asym is when either RX or TX, but not both */
840 if (!!(self->aq_nic_cfg.flow_control & AQ_NIC_FC_TX) ^
841 !!(self->aq_nic_cfg.flow_control & AQ_NIC_FC_RX))
842 ethtool_link_ksettings_add_link_mode(cmd, advertising,
845 if (self->aq_nic_cfg.aq_hw_caps->media_type == AQ_HW_MEDIA_TYPE_FIBRE)
846 ethtool_link_ksettings_add_link_mode(cmd, advertising, FIBRE);
848 ethtool_link_ksettings_add_link_mode(cmd, advertising, TP);
851 int aq_nic_set_link_ksettings(struct aq_nic_s *self,
852 const struct ethtool_link_ksettings *cmd)
858 if (cmd->base.autoneg == AUTONEG_ENABLE) {
859 rate = self->aq_nic_cfg.aq_hw_caps->link_speed_msk;
860 self->aq_nic_cfg.is_autoneg = true;
862 speed = cmd->base.speed;
866 rate = AQ_NIC_RATE_100M;
870 rate = AQ_NIC_RATE_1G;
874 rate = AQ_NIC_RATE_2GS;
878 rate = AQ_NIC_RATE_5G;
882 rate = AQ_NIC_RATE_10G;
890 if (!(self->aq_nic_cfg.aq_hw_caps->link_speed_msk & rate)) {
895 self->aq_nic_cfg.is_autoneg = false;
898 mutex_lock(&self->fwreq_mutex);
899 err = self->aq_fw_ops->set_link_speed(self->aq_hw, rate);
900 mutex_unlock(&self->fwreq_mutex);
904 self->aq_nic_cfg.link_speed_msk = rate;
910 struct aq_nic_cfg_s *aq_nic_get_cfg(struct aq_nic_s *self)
912 return &self->aq_nic_cfg;
915 u32 aq_nic_get_fw_version(struct aq_nic_s *self)
919 self->aq_hw_ops->hw_get_fw_version(self->aq_hw, &fw_version);
924 int aq_nic_stop(struct aq_nic_s *self)
926 struct aq_vec_s *aq_vec = NULL;
929 netif_tx_disable(self->ndev);
930 netif_carrier_off(self->ndev);
932 del_timer_sync(&self->service_timer);
933 cancel_work_sync(&self->service_task);
935 self->aq_hw_ops->hw_irq_disable(self->aq_hw, AQ_CFG_IRQ_MASK);
937 if (self->aq_nic_cfg.is_polling)
938 del_timer_sync(&self->polling_timer);
940 aq_pci_func_free_irqs(self);
942 for (i = 0U, aq_vec = self->aq_vec[0];
943 self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i])
946 return self->aq_hw_ops->hw_stop(self->aq_hw);
949 void aq_nic_deinit(struct aq_nic_s *self)
951 struct aq_vec_s *aq_vec = NULL;
957 for (i = 0U, aq_vec = self->aq_vec[0];
958 self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i])
959 aq_vec_deinit(aq_vec);
961 if (likely(self->aq_fw_ops->deinit)) {
962 mutex_lock(&self->fwreq_mutex);
963 self->aq_fw_ops->deinit(self->aq_hw);
964 mutex_unlock(&self->fwreq_mutex);
967 if (self->power_state != AQ_HW_POWER_STATE_D0 ||
968 self->aq_hw->aq_nic_cfg->wol)
969 if (likely(self->aq_fw_ops->set_power)) {
970 mutex_lock(&self->fwreq_mutex);
971 self->aq_fw_ops->set_power(self->aq_hw,
973 self->ndev->dev_addr);
974 mutex_unlock(&self->fwreq_mutex);
981 void aq_nic_free_vectors(struct aq_nic_s *self)
988 for (i = ARRAY_SIZE(self->aq_vec); i--;) {
989 if (self->aq_vec[i]) {
990 aq_vec_free(self->aq_vec[i]);
991 self->aq_vec[i] = NULL;
998 int aq_nic_change_pm_state(struct aq_nic_s *self, pm_message_t *pm_msg)
1002 if (!netif_running(self->ndev)) {
1007 if (pm_msg->event & PM_EVENT_SLEEP || pm_msg->event & PM_EVENT_FREEZE) {
1008 self->power_state = AQ_HW_POWER_STATE_D3;
1009 netif_device_detach(self->ndev);
1010 netif_tx_stop_all_queues(self->ndev);
1012 err = aq_nic_stop(self);
1016 aq_nic_deinit(self);
1018 err = aq_nic_init(self);
1022 err = aq_nic_start(self);
1026 netif_device_attach(self->ndev);
1027 netif_tx_start_all_queues(self->ndev);
1036 void aq_nic_shutdown(struct aq_nic_s *self)
1045 netif_device_detach(self->ndev);
1047 if (netif_running(self->ndev)) {
1048 err = aq_nic_stop(self);
1052 aq_nic_deinit(self);