1 // SPDX-License-Identifier: GPL-2.0-only
2 /* Atlantic Network Driver
4 * Copyright (C) 2014-2019 aQuantia Corporation
5 * Copyright (C) 2019-2020 Marvell International Ltd.
8 /* File aq_nic.c: Definition of common code for NIC. */
14 #include "aq_pci_func.h"
15 #include "aq_macsec.h"
19 #include "aq_filters.h"
21 #include <linux/moduleparam.h>
22 #include <linux/netdevice.h>
23 #include <linux/etherdevice.h>
24 #include <linux/timer.h>
25 #include <linux/cpu.h>
27 #include <linux/tcp.h>
29 #include <net/pkt_cls.h>
31 static unsigned int aq_itr = AQ_CFG_INTERRUPT_MODERATION_AUTO;
32 module_param_named(aq_itr, aq_itr, uint, 0644);
33 MODULE_PARM_DESC(aq_itr, "Interrupt throttling mode");
35 static unsigned int aq_itr_tx;
36 module_param_named(aq_itr_tx, aq_itr_tx, uint, 0644);
37 MODULE_PARM_DESC(aq_itr_tx, "TX interrupt throttle rate");
39 static unsigned int aq_itr_rx;
40 module_param_named(aq_itr_rx, aq_itr_rx, uint, 0644);
41 MODULE_PARM_DESC(aq_itr_rx, "RX interrupt throttle rate");
43 static void aq_nic_update_ndev_stats(struct aq_nic_s *self);
45 static void aq_nic_rss_init(struct aq_nic_s *self, unsigned int num_rss_queues)
47 static u8 rss_key[AQ_CFG_RSS_HASHKEY_SIZE] = {
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
54 struct aq_nic_cfg_s *cfg = &self->aq_nic_cfg;
55 struct aq_rss_parameters *rss_params;
58 rss_params = &cfg->aq_rss;
60 rss_params->hash_secret_key_size = sizeof(rss_key);
61 memcpy(rss_params->hash_secret_key, rss_key, sizeof(rss_key));
62 rss_params->indirection_table_size = AQ_CFG_RSS_INDIRECTION_TABLE_MAX;
64 for (i = rss_params->indirection_table_size; i--;)
65 rss_params->indirection_table[i] = i & (num_rss_queues - 1);
68 /* Recalculate the number of vectors */
69 static void aq_nic_cfg_update_num_vecs(struct aq_nic_s *self)
71 struct aq_nic_cfg_s *cfg = &self->aq_nic_cfg;
73 cfg->vecs = min(cfg->aq_hw_caps->vecs, AQ_CFG_VECS_DEF);
74 cfg->vecs = min(cfg->vecs, num_online_cpus());
75 if (self->irqvecs > AQ_HW_SERVICE_IRQS)
76 cfg->vecs = min(cfg->vecs, self->irqvecs - AQ_HW_SERVICE_IRQS);
77 /* cfg->vecs should be power of 2 for RSS */
78 cfg->vecs = rounddown_pow_of_two(cfg->vecs);
80 if (ATL_HW_IS_CHIP_FEATURE(self->aq_hw, ANTIGUA)) {
82 cfg->vecs = min(cfg->vecs, 4U);
86 cfg->tc_mode = AQ_TC_MODE_8TCS;
88 cfg->tc_mode = AQ_TC_MODE_4TCS;
91 cfg->num_rss_queues = min(cfg->vecs, AQ_CFG_NUM_RSS_QUEUES_DEF);
92 aq_nic_rss_init(self, cfg->num_rss_queues);
95 /* Checks hw_caps and 'corrects' aq_nic_cfg in runtime */
96 void aq_nic_cfg_start(struct aq_nic_s *self)
98 struct aq_nic_cfg_s *cfg = &self->aq_nic_cfg;
101 cfg->tcs = AQ_CFG_TCS_DEF;
103 cfg->is_polling = AQ_CFG_IS_POLLING_DEF;
106 cfg->tx_itr = aq_itr_tx;
107 cfg->rx_itr = aq_itr_rx;
109 cfg->rxpageorder = AQ_CFG_RX_PAGEORDER;
110 cfg->is_rss = AQ_CFG_IS_RSS_DEF;
111 cfg->aq_rss.base_cpu_number = AQ_CFG_RSS_BASE_CPU_NUM_DEF;
112 cfg->fc.req = AQ_CFG_FC_MODE;
113 cfg->wol = AQ_CFG_WOL_MODES;
115 cfg->mtu = AQ_CFG_MTU_DEF;
116 cfg->link_speed_msk = AQ_CFG_SPEED_MSK;
117 cfg->is_autoneg = AQ_CFG_IS_AUTONEG_DEF;
119 cfg->is_lro = AQ_CFG_IS_LRO_DEF;
123 cfg->rxds = min(cfg->aq_hw_caps->rxds_max, AQ_CFG_RXDS_DEF);
124 cfg->txds = min(cfg->aq_hw_caps->txds_max, AQ_CFG_TXDS_DEF);
126 aq_nic_cfg_update_num_vecs(self);
128 cfg->irq_type = aq_pci_func_get_irq_type(self);
130 if ((cfg->irq_type == AQ_HW_IRQ_LEGACY) ||
131 (cfg->aq_hw_caps->vecs == 1U) ||
137 /* Check if we have enough vectors allocated for
138 * link status IRQ. If no - we'll know link state from
139 * slower service task.
141 if (AQ_HW_SERVICE_IRQS > 0 && cfg->vecs + 1 <= self->irqvecs)
142 cfg->link_irq_vec = cfg->vecs;
144 cfg->link_irq_vec = 0;
146 cfg->link_speed_msk &= cfg->aq_hw_caps->link_speed_msk;
147 cfg->features = cfg->aq_hw_caps->hw_features;
148 cfg->is_vlan_rx_strip = !!(cfg->features & NETIF_F_HW_VLAN_CTAG_RX);
149 cfg->is_vlan_tx_insert = !!(cfg->features & NETIF_F_HW_VLAN_CTAG_TX);
150 cfg->is_vlan_force_promisc = true;
152 for (i = 0; i < sizeof(cfg->prio_tc_map); i++)
153 cfg->prio_tc_map[i] = cfg->tcs * i / 8;
156 static int aq_nic_update_link_status(struct aq_nic_s *self)
158 int err = self->aq_fw_ops->update_link_status(self->aq_hw);
164 if (self->aq_fw_ops->get_flow_control)
165 self->aq_fw_ops->get_flow_control(self->aq_hw, &fc);
166 self->aq_nic_cfg.fc.cur = fc;
168 if (self->link_status.mbps != self->aq_hw->aq_link_status.mbps) {
169 netdev_info(self->ndev, "%s: link change old %d new %d\n",
170 AQ_CFG_DRV_NAME, self->link_status.mbps,
171 self->aq_hw->aq_link_status.mbps);
172 aq_nic_update_interrupt_moderation_settings(self);
175 aq_ptp_clock_init(self);
176 aq_ptp_tm_offset_set(self,
177 self->aq_hw->aq_link_status.mbps);
178 aq_ptp_link_change(self);
181 /* Driver has to update flow control settings on RX block
183 * We should query FW whether it negotiated FC.
185 if (self->aq_hw_ops->hw_set_fc)
186 self->aq_hw_ops->hw_set_fc(self->aq_hw, fc, 0);
189 self->link_status = self->aq_hw->aq_link_status;
190 if (!netif_carrier_ok(self->ndev) && self->link_status.mbps) {
191 aq_utils_obj_set(&self->flags,
192 AQ_NIC_FLAG_STARTED);
193 aq_utils_obj_clear(&self->flags,
195 netif_carrier_on(self->ndev);
196 #if IS_ENABLED(CONFIG_MACSEC)
197 aq_macsec_enable(self);
199 if (self->aq_hw_ops->hw_tc_rate_limit_set)
200 self->aq_hw_ops->hw_tc_rate_limit_set(self->aq_hw);
202 netif_tx_wake_all_queues(self->ndev);
204 if (netif_carrier_ok(self->ndev) && !self->link_status.mbps) {
205 netif_carrier_off(self->ndev);
206 netif_tx_disable(self->ndev);
207 aq_utils_obj_set(&self->flags, AQ_NIC_LINK_DOWN);
213 static irqreturn_t aq_linkstate_threaded_isr(int irq, void *private)
215 struct aq_nic_s *self = private;
220 aq_nic_update_link_status(self);
222 self->aq_hw_ops->hw_irq_enable(self->aq_hw,
223 BIT(self->aq_nic_cfg.link_irq_vec));
228 static void aq_nic_service_task(struct work_struct *work)
230 struct aq_nic_s *self = container_of(work, struct aq_nic_s,
234 aq_ptp_service_task(self);
236 if (aq_utils_obj_test(&self->flags, AQ_NIC_FLAGS_IS_NOT_READY))
239 err = aq_nic_update_link_status(self);
243 #if IS_ENABLED(CONFIG_MACSEC)
244 aq_macsec_work(self);
247 mutex_lock(&self->fwreq_mutex);
248 if (self->aq_fw_ops->update_stats)
249 self->aq_fw_ops->update_stats(self->aq_hw);
250 mutex_unlock(&self->fwreq_mutex);
252 aq_nic_update_ndev_stats(self);
255 static void aq_nic_service_timer_cb(struct timer_list *t)
257 struct aq_nic_s *self = from_timer(self, t, service_timer);
259 mod_timer(&self->service_timer,
260 jiffies + AQ_CFG_SERVICE_TIMER_INTERVAL);
262 aq_ndev_schedule_work(&self->service_task);
265 static void aq_nic_polling_timer_cb(struct timer_list *t)
267 struct aq_nic_s *self = from_timer(self, t, polling_timer);
270 for (i = 0U; self->aq_vecs > i; ++i)
271 aq_vec_isr(i, (void *)self->aq_vec[i]);
273 mod_timer(&self->polling_timer, jiffies +
274 AQ_CFG_POLLING_TIMER_INTERVAL);
277 static int aq_nic_hw_prepare(struct aq_nic_s *self)
281 err = self->aq_hw_ops->hw_soft_reset(self->aq_hw);
285 err = self->aq_hw_ops->hw_prepare(self->aq_hw, &self->aq_fw_ops);
291 static bool aq_nic_is_valid_ether_addr(const u8 *addr)
293 /* Some engineering samples of Aquantia NICs are provisioned with a
294 * partially populated MAC, which is still invalid.
296 return !(addr[0] == 0 && addr[1] == 0 && addr[2] == 0);
299 int aq_nic_ndev_register(struct aq_nic_s *self)
309 err = aq_nic_hw_prepare(self);
313 #if IS_ENABLED(CONFIG_MACSEC)
314 aq_macsec_init(self);
317 if (platform_get_ethdev_address(&self->pdev->dev, self->ndev) != 0) {
318 // If DT has none or an invalid one, ask device for MAC address
319 mutex_lock(&self->fwreq_mutex);
320 err = self->aq_fw_ops->get_mac_permanent(self->aq_hw, addr);
321 mutex_unlock(&self->fwreq_mutex);
326 if (is_valid_ether_addr(addr) &&
327 aq_nic_is_valid_ether_addr(addr)) {
328 eth_hw_addr_set(self->ndev, addr);
330 netdev_warn(self->ndev, "MAC is invalid, will use random.");
331 eth_hw_addr_random(self->ndev);
335 #if defined(AQ_CFG_MAC_ADDR_PERMANENT)
337 static u8 mac_addr_permanent[] = AQ_CFG_MAC_ADDR_PERMANENT;
339 eth_hw_addr_set(self->ndev, mac_addr_permanent);
343 for (self->aq_vecs = 0; self->aq_vecs < aq_nic_get_cfg(self)->vecs;
345 self->aq_vec[self->aq_vecs] =
346 aq_vec_alloc(self, self->aq_vecs, aq_nic_get_cfg(self));
347 if (!self->aq_vec[self->aq_vecs]) {
353 netif_carrier_off(self->ndev);
355 netif_tx_disable(self->ndev);
357 err = register_netdev(self->ndev);
362 #if IS_ENABLED(CONFIG_MACSEC)
364 aq_macsec_free(self);
369 void aq_nic_ndev_init(struct aq_nic_s *self)
371 const struct aq_hw_caps_s *aq_hw_caps = self->aq_nic_cfg.aq_hw_caps;
372 struct aq_nic_cfg_s *aq_nic_cfg = &self->aq_nic_cfg;
374 self->ndev->hw_features |= aq_hw_caps->hw_features;
375 self->ndev->features = aq_hw_caps->hw_features;
376 self->ndev->vlan_features |= NETIF_F_HW_CSUM | NETIF_F_RXCSUM |
377 NETIF_F_RXHASH | NETIF_F_SG |
378 NETIF_F_LRO | NETIF_F_TSO | NETIF_F_TSO6;
379 self->ndev->gso_partial_features = NETIF_F_GSO_UDP_L4;
380 self->ndev->priv_flags = aq_hw_caps->hw_priv_flags;
381 self->ndev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
383 self->msg_enable = NETIF_MSG_DRV | NETIF_MSG_LINK;
384 self->ndev->mtu = aq_nic_cfg->mtu - ETH_HLEN;
385 self->ndev->max_mtu = aq_hw_caps->mtu - ETH_FCS_LEN - ETH_HLEN;
387 self->ndev->xdp_features = NETDEV_XDP_ACT_BASIC |
388 NETDEV_XDP_ACT_REDIRECT |
389 NETDEV_XDP_ACT_NDO_XMIT |
390 NETDEV_XDP_ACT_RX_SG |
391 NETDEV_XDP_ACT_NDO_XMIT_SG;
394 void aq_nic_set_tx_ring(struct aq_nic_s *self, unsigned int idx,
395 struct aq_ring_s *ring)
397 self->aq_ring_tx[idx] = ring;
400 struct net_device *aq_nic_get_ndev(struct aq_nic_s *self)
405 int aq_nic_init(struct aq_nic_s *self)
407 struct aq_vec_s *aq_vec = NULL;
411 self->power_state = AQ_HW_POWER_STATE_D0;
412 mutex_lock(&self->fwreq_mutex);
413 err = self->aq_hw_ops->hw_reset(self->aq_hw);
414 mutex_unlock(&self->fwreq_mutex);
417 /* Restore default settings */
418 aq_nic_set_downshift(self, self->aq_nic_cfg.downshift_counter);
419 aq_nic_set_media_detect(self, self->aq_nic_cfg.is_media_detect ?
420 AQ_HW_MEDIA_DETECT_CNT : 0);
422 err = self->aq_hw_ops->hw_init(self->aq_hw,
423 aq_nic_get_ndev(self)->dev_addr);
427 if (ATL_HW_IS_CHIP_FEATURE(self->aq_hw, ATLANTIC) &&
428 self->aq_nic_cfg.aq_hw_caps->media_type == AQ_HW_MEDIA_TYPE_TP) {
429 self->aq_hw->phy_id = HW_ATL_PHY_ID_MAX;
430 err = aq_phy_init(self->aq_hw);
432 /* Disable the PTP on NICs where it's known to cause datapath
434 * Ideally this should have been done by PHY provisioning, but
435 * many units have been shipped with enabled PTP block already.
437 if (self->aq_nic_cfg.aq_hw_caps->quirks & AQ_NIC_QUIRK_BAD_PTP)
438 if (self->aq_hw->phy_id != HW_ATL_PHY_ID_MAX)
439 aq_phy_disable_ptp(self->aq_hw);
442 for (i = 0U; i < self->aq_vecs; i++) {
443 aq_vec = self->aq_vec[i];
444 err = aq_vec_ring_alloc(aq_vec, self, i,
445 aq_nic_get_cfg(self));
449 aq_vec_init(aq_vec, self->aq_hw_ops, self->aq_hw);
452 if (aq_nic_get_cfg(self)->is_ptp) {
453 err = aq_ptp_init(self, self->irqvecs - 1);
457 err = aq_ptp_ring_alloc(self);
461 err = aq_ptp_ring_init(self);
466 netif_carrier_off(self->ndev);
472 int aq_nic_start(struct aq_nic_s *self)
474 struct aq_vec_s *aq_vec = NULL;
475 struct aq_nic_cfg_s *cfg;
479 cfg = aq_nic_get_cfg(self);
481 err = self->aq_hw_ops->hw_multicast_list_set(self->aq_hw,
483 self->mc_list.count);
487 err = self->aq_hw_ops->hw_packet_filter_set(self->aq_hw,
488 self->packet_filter);
492 for (i = 0U; self->aq_vecs > i; ++i) {
493 aq_vec = self->aq_vec[i];
494 err = aq_vec_start(aq_vec);
499 err = aq_ptp_ring_start(self);
503 aq_nic_set_loopback(self);
505 err = self->aq_hw_ops->hw_start(self->aq_hw);
509 err = aq_nic_update_interrupt_moderation_settings(self);
513 INIT_WORK(&self->service_task, aq_nic_service_task);
515 timer_setup(&self->service_timer, aq_nic_service_timer_cb, 0);
516 aq_nic_service_timer_cb(&self->service_timer);
518 if (cfg->is_polling) {
519 timer_setup(&self->polling_timer, aq_nic_polling_timer_cb, 0);
520 mod_timer(&self->polling_timer, jiffies +
521 AQ_CFG_POLLING_TIMER_INTERVAL);
523 for (i = 0U; self->aq_vecs > i; ++i) {
524 aq_vec = self->aq_vec[i];
525 err = aq_pci_func_alloc_irq(self, i, self->ndev->name,
527 aq_vec_get_affinity_mask(aq_vec));
532 err = aq_ptp_irq_alloc(self);
536 if (cfg->link_irq_vec) {
537 int irqvec = pci_irq_vector(self->pdev,
539 err = request_threaded_irq(irqvec, NULL,
540 aq_linkstate_threaded_isr,
541 IRQF_SHARED | IRQF_ONESHOT,
542 self->ndev->name, self);
545 self->msix_entry_mask |= (1 << cfg->link_irq_vec);
548 err = self->aq_hw_ops->hw_irq_enable(self->aq_hw,
554 err = netif_set_real_num_tx_queues(self->ndev,
555 self->aq_vecs * cfg->tcs);
559 err = netif_set_real_num_rx_queues(self->ndev,
560 self->aq_vecs * cfg->tcs);
564 for (i = 0; i < cfg->tcs; i++) {
565 u16 offset = self->aq_vecs * i;
567 netdev_set_tc_queue(self->ndev, i, self->aq_vecs, offset);
569 netif_tx_start_all_queues(self->ndev);
575 static unsigned int aq_nic_map_xdp(struct aq_nic_s *self,
576 struct xdp_frame *xdpf,
577 struct aq_ring_s *ring)
579 struct device *dev = aq_nic_get_dev(self);
580 struct aq_ring_buff_s *first = NULL;
581 unsigned int dx = ring->sw_tail;
582 struct aq_ring_buff_s *dx_buff;
583 struct skb_shared_info *sinfo;
584 unsigned int frag_count = 0U;
585 unsigned int nr_frags = 0U;
586 unsigned int ret = 0U;
589 dx_buff = &ring->buff_ring[dx];
592 sinfo = xdp_get_shared_info_from_frame(xdpf);
593 total_len = xdpf->len;
594 dx_buff->len = total_len;
595 if (xdp_frame_has_frags(xdpf)) {
596 nr_frags = sinfo->nr_frags;
597 total_len += sinfo->xdp_frags_size;
599 dx_buff->pa = dma_map_single(dev, xdpf->data, dx_buff->len,
602 if (unlikely(dma_mapping_error(dev, dx_buff->pa)))
606 dx_buff->len_pkt = total_len;
607 dx_buff->is_sop = 1U;
608 dx_buff->is_mapped = 1U;
611 for (; nr_frags--; ++frag_count) {
612 skb_frag_t *frag = &sinfo->frags[frag_count];
613 unsigned int frag_len = skb_frag_size(frag);
614 unsigned int buff_offset = 0U;
615 unsigned int buff_size = 0U;
619 if (frag_len > AQ_CFG_TX_FRAME_MAX)
620 buff_size = AQ_CFG_TX_FRAME_MAX;
622 buff_size = frag_len;
624 frag_pa = skb_frag_dma_map(dev, frag, buff_offset,
625 buff_size, DMA_TO_DEVICE);
627 if (unlikely(dma_mapping_error(dev, frag_pa)))
630 dx = aq_ring_next_dx(ring, dx);
631 dx_buff = &ring->buff_ring[dx];
634 dx_buff->len = buff_size;
635 dx_buff->pa = frag_pa;
636 dx_buff->is_mapped = 1U;
637 dx_buff->eop_index = 0xffffU;
639 frag_len -= buff_size;
640 buff_offset += buff_size;
646 first->eop_index = dx;
647 dx_buff->is_eop = 1U;
649 dx_buff->xdpf = xdpf;
653 for (dx = ring->sw_tail;
655 --ret, dx = aq_ring_next_dx(ring, dx)) {
656 dx_buff = &ring->buff_ring[dx];
660 if (unlikely(dx_buff->is_sop))
661 dma_unmap_single(dev, dx_buff->pa, dx_buff->len,
664 dma_unmap_page(dev, dx_buff->pa, dx_buff->len,
672 unsigned int aq_nic_map_skb(struct aq_nic_s *self, struct sk_buff *skb,
673 struct aq_ring_s *ring)
675 unsigned int nr_frags = skb_shinfo(skb)->nr_frags;
676 struct aq_nic_cfg_s *cfg = aq_nic_get_cfg(self);
677 struct device *dev = aq_nic_get_dev(self);
678 struct aq_ring_buff_s *first = NULL;
679 u8 ipver = ip_hdr(skb)->version;
680 struct aq_ring_buff_s *dx_buff;
681 bool need_context_tag = false;
682 unsigned int frag_count = 0U;
683 unsigned int ret = 0U;
688 l4proto = ip_hdr(skb)->protocol;
690 l4proto = ipv6_hdr(skb)->nexthdr;
693 dx_buff = &ring->buff_ring[dx];
696 if (unlikely(skb_is_gso(skb))) {
697 dx_buff->mss = skb_shinfo(skb)->gso_size;
698 if (l4proto == IPPROTO_TCP) {
699 dx_buff->is_gso_tcp = 1U;
700 dx_buff->len_l4 = tcp_hdrlen(skb);
701 } else if (l4proto == IPPROTO_UDP) {
702 dx_buff->is_gso_udp = 1U;
703 dx_buff->len_l4 = sizeof(struct udphdr);
704 /* UDP GSO Hardware does not replace packet length. */
705 udp_hdr(skb)->len = htons(dx_buff->mss +
708 WARN_ONCE(true, "Bad GSO mode");
711 dx_buff->len_pkt = skb->len;
712 dx_buff->len_l2 = ETH_HLEN;
713 dx_buff->len_l3 = skb_network_header_len(skb);
714 dx_buff->eop_index = 0xffffU;
715 dx_buff->is_ipv6 = (ipver == 6);
716 need_context_tag = true;
719 if (cfg->is_vlan_tx_insert && skb_vlan_tag_present(skb)) {
720 dx_buff->vlan_tx_tag = skb_vlan_tag_get(skb);
721 dx_buff->len_pkt = skb->len;
722 dx_buff->is_vlan = 1U;
723 need_context_tag = true;
726 if (need_context_tag) {
727 dx = aq_ring_next_dx(ring, dx);
728 dx_buff = &ring->buff_ring[dx];
733 dx_buff->len = skb_headlen(skb);
734 dx_buff->pa = dma_map_single(dev,
739 if (unlikely(dma_mapping_error(dev, dx_buff->pa))) {
745 dx_buff->len_pkt = skb->len;
746 dx_buff->is_sop = 1U;
747 dx_buff->is_mapped = 1U;
750 if (skb->ip_summed == CHECKSUM_PARTIAL) {
751 dx_buff->is_ip_cso = (htons(ETH_P_IP) == skb->protocol);
752 dx_buff->is_tcp_cso = (l4proto == IPPROTO_TCP);
753 dx_buff->is_udp_cso = (l4proto == IPPROTO_UDP);
756 for (; nr_frags--; ++frag_count) {
757 unsigned int frag_len = 0U;
758 unsigned int buff_offset = 0U;
759 unsigned int buff_size = 0U;
761 skb_frag_t *frag = &skb_shinfo(skb)->frags[frag_count];
763 frag_len = skb_frag_size(frag);
766 if (frag_len > AQ_CFG_TX_FRAME_MAX)
767 buff_size = AQ_CFG_TX_FRAME_MAX;
769 buff_size = frag_len;
771 frag_pa = skb_frag_dma_map(dev,
777 if (unlikely(dma_mapping_error(dev,
781 dx = aq_ring_next_dx(ring, dx);
782 dx_buff = &ring->buff_ring[dx];
785 dx_buff->len = buff_size;
786 dx_buff->pa = frag_pa;
787 dx_buff->is_mapped = 1U;
788 dx_buff->eop_index = 0xffffU;
790 frag_len -= buff_size;
791 buff_offset += buff_size;
797 first->eop_index = dx;
798 dx_buff->is_eop = 1U;
800 dx_buff->xdpf = NULL;
804 for (dx = ring->sw_tail;
806 --ret, dx = aq_ring_next_dx(ring, dx)) {
807 dx_buff = &ring->buff_ring[dx];
809 if (!(dx_buff->is_gso_tcp || dx_buff->is_gso_udp) &&
810 !dx_buff->is_vlan && dx_buff->pa) {
811 if (unlikely(dx_buff->is_sop)) {
812 dma_unmap_single(dev,
829 int aq_nic_xmit_xdpf(struct aq_nic_s *aq_nic, struct aq_ring_s *tx_ring,
830 struct xdp_frame *xdpf)
832 u16 queue_index = AQ_NIC_RING2QMAP(aq_nic, tx_ring->idx);
833 struct net_device *ndev = aq_nic_get_ndev(aq_nic);
834 struct skb_shared_info *sinfo;
835 int cpu = smp_processor_id();
836 int err = NETDEV_TX_BUSY;
837 struct netdev_queue *nq;
838 unsigned int frags = 1;
840 if (xdp_frame_has_frags(xdpf)) {
841 sinfo = xdp_get_shared_info_from_frame(xdpf);
842 frags += sinfo->nr_frags;
845 if (frags > AQ_CFG_SKB_FRAGS_MAX)
848 nq = netdev_get_tx_queue(ndev, tx_ring->idx);
849 __netif_tx_lock(nq, cpu);
851 aq_ring_update_queue_state(tx_ring);
853 /* Above status update may stop the queue. Check this. */
854 if (__netif_subqueue_stopped(aq_nic_get_ndev(aq_nic), queue_index))
857 frags = aq_nic_map_xdp(aq_nic, xdpf, tx_ring);
859 err = aq_nic->aq_hw_ops->hw_ring_tx_xmit(aq_nic->aq_hw, tx_ring,
862 __netif_tx_unlock(nq);
867 int aq_nic_xmit(struct aq_nic_s *self, struct sk_buff *skb)
869 struct aq_nic_cfg_s *cfg = aq_nic_get_cfg(self);
870 unsigned int vec = skb->queue_mapping % cfg->vecs;
871 unsigned int tc = skb->queue_mapping / cfg->vecs;
872 struct aq_ring_s *ring = NULL;
873 unsigned int frags = 0U;
874 int err = NETDEV_TX_OK;
876 frags = skb_shinfo(skb)->nr_frags + 1;
878 ring = self->aq_ring_tx[AQ_NIC_CFG_TCVEC2RING(cfg, tc, vec)];
880 if (frags > AQ_CFG_SKB_FRAGS_MAX) {
881 dev_kfree_skb_any(skb);
885 aq_ring_update_queue_state(ring);
887 if (cfg->priv_flags & BIT(AQ_HW_LOOPBACK_DMA_NET)) {
888 err = NETDEV_TX_BUSY;
892 /* Above status update may stop the queue. Check this. */
893 if (__netif_subqueue_stopped(self->ndev,
894 AQ_NIC_RING2QMAP(self, ring->idx))) {
895 err = NETDEV_TX_BUSY;
899 frags = aq_nic_map_skb(self, skb, ring);
902 err = self->aq_hw_ops->hw_ring_tx_xmit(self->aq_hw,
905 err = NETDEV_TX_BUSY;
912 int aq_nic_update_interrupt_moderation_settings(struct aq_nic_s *self)
914 return self->aq_hw_ops->hw_interrupt_moderation_set(self->aq_hw);
917 int aq_nic_set_packet_filter(struct aq_nic_s *self, unsigned int flags)
921 err = self->aq_hw_ops->hw_packet_filter_set(self->aq_hw, flags);
925 self->packet_filter = flags;
931 int aq_nic_set_multicast_list(struct aq_nic_s *self, struct net_device *ndev)
933 const struct aq_hw_ops *hw_ops = self->aq_hw_ops;
934 struct aq_nic_cfg_s *cfg = &self->aq_nic_cfg;
935 unsigned int packet_filter = ndev->flags;
936 struct netdev_hw_addr *ha = NULL;
940 self->mc_list.count = 0;
941 if (netdev_uc_count(ndev) > AQ_HW_MULTICAST_ADDRESS_MAX) {
942 packet_filter |= IFF_PROMISC;
944 netdev_for_each_uc_addr(ha, ndev) {
945 ether_addr_copy(self->mc_list.ar[i++], ha->addr);
949 cfg->is_mc_list_enabled = !!(packet_filter & IFF_MULTICAST);
950 if (cfg->is_mc_list_enabled) {
951 if (i + netdev_mc_count(ndev) > AQ_HW_MULTICAST_ADDRESS_MAX) {
952 packet_filter |= IFF_ALLMULTI;
954 netdev_for_each_mc_addr(ha, ndev) {
955 ether_addr_copy(self->mc_list.ar[i++],
961 if (i > 0 && i <= AQ_HW_MULTICAST_ADDRESS_MAX) {
962 self->mc_list.count = i;
963 err = hw_ops->hw_multicast_list_set(self->aq_hw,
965 self->mc_list.count);
970 return aq_nic_set_packet_filter(self, packet_filter);
973 int aq_nic_set_mtu(struct aq_nic_s *self, int new_mtu)
975 self->aq_nic_cfg.mtu = new_mtu;
980 int aq_nic_set_mac(struct aq_nic_s *self, struct net_device *ndev)
982 return self->aq_hw_ops->hw_set_mac_address(self->aq_hw, ndev->dev_addr);
985 unsigned int aq_nic_get_link_speed(struct aq_nic_s *self)
987 return self->link_status.mbps;
990 int aq_nic_get_regs(struct aq_nic_s *self, struct ethtool_regs *regs, void *p)
995 if (unlikely(!self->aq_hw_ops->hw_get_regs))
1000 err = self->aq_hw_ops->hw_get_regs(self->aq_hw,
1001 self->aq_nic_cfg.aq_hw_caps,
1010 int aq_nic_get_regs_count(struct aq_nic_s *self)
1012 if (unlikely(!self->aq_hw_ops->hw_get_regs))
1015 return self->aq_nic_cfg.aq_hw_caps->mac_regs_count;
1018 u64 *aq_nic_get_stats(struct aq_nic_s *self, u64 *data)
1020 struct aq_stats_s *stats;
1021 unsigned int count = 0U;
1022 unsigned int i = 0U;
1025 if (self->aq_fw_ops->update_stats) {
1026 mutex_lock(&self->fwreq_mutex);
1027 self->aq_fw_ops->update_stats(self->aq_hw);
1028 mutex_unlock(&self->fwreq_mutex);
1030 stats = self->aq_hw_ops->hw_get_hw_stats(self->aq_hw);
1035 data[i] = stats->uprc + stats->mprc + stats->bprc;
1036 data[++i] = stats->uprc;
1037 data[++i] = stats->mprc;
1038 data[++i] = stats->bprc;
1039 data[++i] = stats->erpt;
1040 data[++i] = stats->uptc + stats->mptc + stats->bptc;
1041 data[++i] = stats->uptc;
1042 data[++i] = stats->mptc;
1043 data[++i] = stats->bptc;
1044 data[++i] = stats->ubrc;
1045 data[++i] = stats->ubtc;
1046 data[++i] = stats->mbrc;
1047 data[++i] = stats->mbtc;
1048 data[++i] = stats->bbrc;
1049 data[++i] = stats->bbtc;
1051 data[++i] = stats->brc;
1053 data[++i] = stats->ubrc + stats->mbrc + stats->bbrc;
1055 data[++i] = stats->btc;
1057 data[++i] = stats->ubtc + stats->mbtc + stats->bbtc;
1058 data[++i] = stats->dma_pkt_rc;
1059 data[++i] = stats->dma_pkt_tc;
1060 data[++i] = stats->dma_oct_rc;
1061 data[++i] = stats->dma_oct_tc;
1062 data[++i] = stats->dpc;
1068 for (tc = 0U; tc < self->aq_nic_cfg.tcs; tc++) {
1069 for (i = 0U; self->aq_vecs > i; ++i) {
1070 if (!self->aq_vec[i])
1073 count = aq_vec_get_sw_stats(self->aq_vec[i], tc, data);
1083 static void aq_nic_update_ndev_stats(struct aq_nic_s *self)
1085 struct aq_stats_s *stats = self->aq_hw_ops->hw_get_hw_stats(self->aq_hw);
1086 struct net_device *ndev = self->ndev;
1088 ndev->stats.rx_packets = stats->dma_pkt_rc;
1089 ndev->stats.rx_bytes = stats->dma_oct_rc;
1090 ndev->stats.rx_errors = stats->erpr;
1091 ndev->stats.rx_dropped = stats->dpc;
1092 ndev->stats.tx_packets = stats->dma_pkt_tc;
1093 ndev->stats.tx_bytes = stats->dma_oct_tc;
1094 ndev->stats.tx_errors = stats->erpt;
1095 ndev->stats.multicast = stats->mprc;
1098 void aq_nic_get_link_ksettings(struct aq_nic_s *self,
1099 struct ethtool_link_ksettings *cmd)
1101 u32 lp_link_speed_msk;
1103 if (self->aq_nic_cfg.aq_hw_caps->media_type == AQ_HW_MEDIA_TYPE_FIBRE)
1104 cmd->base.port = PORT_FIBRE;
1106 cmd->base.port = PORT_TP;
1108 cmd->base.duplex = DUPLEX_UNKNOWN;
1109 if (self->link_status.mbps)
1110 cmd->base.duplex = self->link_status.full_duplex ?
1111 DUPLEX_FULL : DUPLEX_HALF;
1112 cmd->base.autoneg = self->aq_nic_cfg.is_autoneg;
1114 ethtool_link_ksettings_zero_link_mode(cmd, supported);
1116 if (self->aq_nic_cfg.aq_hw_caps->link_speed_msk & AQ_NIC_RATE_10G)
1117 ethtool_link_ksettings_add_link_mode(cmd, supported,
1120 if (self->aq_nic_cfg.aq_hw_caps->link_speed_msk & AQ_NIC_RATE_5G)
1121 ethtool_link_ksettings_add_link_mode(cmd, supported,
1124 if (self->aq_nic_cfg.aq_hw_caps->link_speed_msk & AQ_NIC_RATE_2G5)
1125 ethtool_link_ksettings_add_link_mode(cmd, supported,
1128 if (self->aq_nic_cfg.aq_hw_caps->link_speed_msk & AQ_NIC_RATE_1G)
1129 ethtool_link_ksettings_add_link_mode(cmd, supported,
1132 if (self->aq_nic_cfg.aq_hw_caps->link_speed_msk & AQ_NIC_RATE_1G_HALF)
1133 ethtool_link_ksettings_add_link_mode(cmd, supported,
1136 if (self->aq_nic_cfg.aq_hw_caps->link_speed_msk & AQ_NIC_RATE_100M)
1137 ethtool_link_ksettings_add_link_mode(cmd, supported,
1140 if (self->aq_nic_cfg.aq_hw_caps->link_speed_msk & AQ_NIC_RATE_100M_HALF)
1141 ethtool_link_ksettings_add_link_mode(cmd, supported,
1144 if (self->aq_nic_cfg.aq_hw_caps->link_speed_msk & AQ_NIC_RATE_10M)
1145 ethtool_link_ksettings_add_link_mode(cmd, supported,
1148 if (self->aq_nic_cfg.aq_hw_caps->link_speed_msk & AQ_NIC_RATE_10M_HALF)
1149 ethtool_link_ksettings_add_link_mode(cmd, supported,
1152 if (self->aq_nic_cfg.aq_hw_caps->flow_control) {
1153 ethtool_link_ksettings_add_link_mode(cmd, supported,
1155 ethtool_link_ksettings_add_link_mode(cmd, supported,
1159 ethtool_link_ksettings_add_link_mode(cmd, supported, Autoneg);
1161 if (self->aq_nic_cfg.aq_hw_caps->media_type == AQ_HW_MEDIA_TYPE_FIBRE)
1162 ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE);
1164 ethtool_link_ksettings_add_link_mode(cmd, supported, TP);
1166 ethtool_link_ksettings_zero_link_mode(cmd, advertising);
1168 if (self->aq_nic_cfg.is_autoneg)
1169 ethtool_link_ksettings_add_link_mode(cmd, advertising, Autoneg);
1171 if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_10G)
1172 ethtool_link_ksettings_add_link_mode(cmd, advertising,
1175 if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_5G)
1176 ethtool_link_ksettings_add_link_mode(cmd, advertising,
1179 if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_2G5)
1180 ethtool_link_ksettings_add_link_mode(cmd, advertising,
1183 if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_1G)
1184 ethtool_link_ksettings_add_link_mode(cmd, advertising,
1187 if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_1G_HALF)
1188 ethtool_link_ksettings_add_link_mode(cmd, advertising,
1191 if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_100M)
1192 ethtool_link_ksettings_add_link_mode(cmd, advertising,
1195 if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_100M_HALF)
1196 ethtool_link_ksettings_add_link_mode(cmd, advertising,
1199 if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_10M)
1200 ethtool_link_ksettings_add_link_mode(cmd, advertising,
1203 if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_10M_HALF)
1204 ethtool_link_ksettings_add_link_mode(cmd, advertising,
1207 if (self->aq_nic_cfg.fc.cur & AQ_NIC_FC_RX)
1208 ethtool_link_ksettings_add_link_mode(cmd, advertising,
1211 /* Asym is when either RX or TX, but not both */
1212 if (!!(self->aq_nic_cfg.fc.cur & AQ_NIC_FC_TX) ^
1213 !!(self->aq_nic_cfg.fc.cur & AQ_NIC_FC_RX))
1214 ethtool_link_ksettings_add_link_mode(cmd, advertising,
1217 if (self->aq_nic_cfg.aq_hw_caps->media_type == AQ_HW_MEDIA_TYPE_FIBRE)
1218 ethtool_link_ksettings_add_link_mode(cmd, advertising, FIBRE);
1220 ethtool_link_ksettings_add_link_mode(cmd, advertising, TP);
1222 ethtool_link_ksettings_zero_link_mode(cmd, lp_advertising);
1223 lp_link_speed_msk = self->aq_hw->aq_link_status.lp_link_speed_msk;
1225 if (lp_link_speed_msk & AQ_NIC_RATE_10G)
1226 ethtool_link_ksettings_add_link_mode(cmd, lp_advertising,
1229 if (lp_link_speed_msk & AQ_NIC_RATE_5G)
1230 ethtool_link_ksettings_add_link_mode(cmd, lp_advertising,
1233 if (lp_link_speed_msk & AQ_NIC_RATE_2G5)
1234 ethtool_link_ksettings_add_link_mode(cmd, lp_advertising,
1237 if (lp_link_speed_msk & AQ_NIC_RATE_1G)
1238 ethtool_link_ksettings_add_link_mode(cmd, lp_advertising,
1241 if (lp_link_speed_msk & AQ_NIC_RATE_1G_HALF)
1242 ethtool_link_ksettings_add_link_mode(cmd, lp_advertising,
1245 if (lp_link_speed_msk & AQ_NIC_RATE_100M)
1246 ethtool_link_ksettings_add_link_mode(cmd, lp_advertising,
1249 if (lp_link_speed_msk & AQ_NIC_RATE_100M_HALF)
1250 ethtool_link_ksettings_add_link_mode(cmd, lp_advertising,
1253 if (lp_link_speed_msk & AQ_NIC_RATE_10M)
1254 ethtool_link_ksettings_add_link_mode(cmd, lp_advertising,
1257 if (lp_link_speed_msk & AQ_NIC_RATE_10M_HALF)
1258 ethtool_link_ksettings_add_link_mode(cmd, lp_advertising,
1261 if (self->aq_hw->aq_link_status.lp_flow_control & AQ_NIC_FC_RX)
1262 ethtool_link_ksettings_add_link_mode(cmd, lp_advertising,
1264 if (!!(self->aq_hw->aq_link_status.lp_flow_control & AQ_NIC_FC_TX) ^
1265 !!(self->aq_hw->aq_link_status.lp_flow_control & AQ_NIC_FC_RX))
1266 ethtool_link_ksettings_add_link_mode(cmd, lp_advertising,
1270 int aq_nic_set_link_ksettings(struct aq_nic_s *self,
1271 const struct ethtool_link_ksettings *cmd)
1273 int fduplex = (cmd->base.duplex == DUPLEX_FULL);
1274 u32 speed = cmd->base.speed;
1278 if (!fduplex && speed > SPEED_1000) {
1283 if (cmd->base.autoneg == AUTONEG_ENABLE) {
1284 rate = self->aq_nic_cfg.aq_hw_caps->link_speed_msk;
1285 self->aq_nic_cfg.is_autoneg = true;
1289 rate = fduplex ? AQ_NIC_RATE_10M : AQ_NIC_RATE_10M_HALF;
1293 rate = fduplex ? AQ_NIC_RATE_100M
1294 : AQ_NIC_RATE_100M_HALF;
1298 rate = fduplex ? AQ_NIC_RATE_1G : AQ_NIC_RATE_1G_HALF;
1302 rate = AQ_NIC_RATE_2G5;
1306 rate = AQ_NIC_RATE_5G;
1310 rate = AQ_NIC_RATE_10G;
1317 if (!(self->aq_nic_cfg.aq_hw_caps->link_speed_msk & rate)) {
1322 self->aq_nic_cfg.is_autoneg = false;
1325 mutex_lock(&self->fwreq_mutex);
1326 err = self->aq_fw_ops->set_link_speed(self->aq_hw, rate);
1327 mutex_unlock(&self->fwreq_mutex);
1331 self->aq_nic_cfg.link_speed_msk = rate;
1337 struct aq_nic_cfg_s *aq_nic_get_cfg(struct aq_nic_s *self)
1339 return &self->aq_nic_cfg;
1342 u32 aq_nic_get_fw_version(struct aq_nic_s *self)
1344 return self->aq_hw_ops->hw_get_fw_version(self->aq_hw);
1347 int aq_nic_set_loopback(struct aq_nic_s *self)
1349 struct aq_nic_cfg_s *cfg = &self->aq_nic_cfg;
1351 if (!self->aq_hw_ops->hw_set_loopback ||
1352 !self->aq_fw_ops->set_phyloopback)
1355 mutex_lock(&self->fwreq_mutex);
1356 self->aq_hw_ops->hw_set_loopback(self->aq_hw,
1357 AQ_HW_LOOPBACK_DMA_SYS,
1358 !!(cfg->priv_flags &
1359 BIT(AQ_HW_LOOPBACK_DMA_SYS)));
1361 self->aq_hw_ops->hw_set_loopback(self->aq_hw,
1362 AQ_HW_LOOPBACK_PKT_SYS,
1363 !!(cfg->priv_flags &
1364 BIT(AQ_HW_LOOPBACK_PKT_SYS)));
1366 self->aq_hw_ops->hw_set_loopback(self->aq_hw,
1367 AQ_HW_LOOPBACK_DMA_NET,
1368 !!(cfg->priv_flags &
1369 BIT(AQ_HW_LOOPBACK_DMA_NET)));
1371 self->aq_fw_ops->set_phyloopback(self->aq_hw,
1372 AQ_HW_LOOPBACK_PHYINT_SYS,
1373 !!(cfg->priv_flags &
1374 BIT(AQ_HW_LOOPBACK_PHYINT_SYS)));
1376 self->aq_fw_ops->set_phyloopback(self->aq_hw,
1377 AQ_HW_LOOPBACK_PHYEXT_SYS,
1378 !!(cfg->priv_flags &
1379 BIT(AQ_HW_LOOPBACK_PHYEXT_SYS)));
1380 mutex_unlock(&self->fwreq_mutex);
1385 int aq_nic_stop(struct aq_nic_s *self)
1387 unsigned int i = 0U;
1389 netif_tx_disable(self->ndev);
1390 netif_carrier_off(self->ndev);
1392 del_timer_sync(&self->service_timer);
1393 cancel_work_sync(&self->service_task);
1395 self->aq_hw_ops->hw_irq_disable(self->aq_hw, AQ_CFG_IRQ_MASK);
1397 if (self->aq_nic_cfg.is_polling)
1398 del_timer_sync(&self->polling_timer);
1400 aq_pci_func_free_irqs(self);
1402 aq_ptp_irq_free(self);
1404 for (i = 0U; self->aq_vecs > i; ++i)
1405 aq_vec_stop(self->aq_vec[i]);
1407 aq_ptp_ring_stop(self);
1409 return self->aq_hw_ops->hw_stop(self->aq_hw);
1412 void aq_nic_set_power(struct aq_nic_s *self)
1414 if (self->power_state != AQ_HW_POWER_STATE_D0 ||
1415 self->aq_hw->aq_nic_cfg->wol)
1416 if (likely(self->aq_fw_ops->set_power)) {
1417 mutex_lock(&self->fwreq_mutex);
1418 self->aq_fw_ops->set_power(self->aq_hw,
1420 self->ndev->dev_addr);
1421 mutex_unlock(&self->fwreq_mutex);
1425 void aq_nic_deinit(struct aq_nic_s *self, bool link_down)
1427 struct aq_vec_s *aq_vec = NULL;
1428 unsigned int i = 0U;
1433 for (i = 0U; i < self->aq_vecs; i++) {
1434 aq_vec = self->aq_vec[i];
1435 aq_vec_deinit(aq_vec);
1436 aq_vec_ring_free(aq_vec);
1439 aq_ptp_unregister(self);
1440 aq_ptp_ring_deinit(self);
1441 aq_ptp_ring_free(self);
1444 if (likely(self->aq_fw_ops->deinit) && link_down) {
1445 mutex_lock(&self->fwreq_mutex);
1446 self->aq_fw_ops->deinit(self->aq_hw);
1447 mutex_unlock(&self->fwreq_mutex);
1453 void aq_nic_free_vectors(struct aq_nic_s *self)
1455 unsigned int i = 0U;
1460 for (i = ARRAY_SIZE(self->aq_vec); i--;) {
1461 if (self->aq_vec[i]) {
1462 aq_vec_free(self->aq_vec[i]);
1463 self->aq_vec[i] = NULL;
1470 int aq_nic_realloc_vectors(struct aq_nic_s *self)
1472 struct aq_nic_cfg_s *cfg = aq_nic_get_cfg(self);
1474 aq_nic_free_vectors(self);
1476 for (self->aq_vecs = 0; self->aq_vecs < cfg->vecs; self->aq_vecs++) {
1477 self->aq_vec[self->aq_vecs] = aq_vec_alloc(self, self->aq_vecs,
1479 if (unlikely(!self->aq_vec[self->aq_vecs]))
1486 void aq_nic_shutdown(struct aq_nic_s *self)
1495 netif_device_detach(self->ndev);
1497 if (netif_running(self->ndev)) {
1498 err = aq_nic_stop(self);
1502 aq_nic_deinit(self, !self->aq_hw->aq_nic_cfg->wol);
1503 aq_nic_set_power(self);
1509 u8 aq_nic_reserve_filter(struct aq_nic_s *self, enum aq_rx_filter_type type)
1516 case aq_rx_filter_ethertype:
1517 location = AQ_RX_LAST_LOC_FETHERT - AQ_RX_FIRST_LOC_FETHERT -
1518 self->aq_hw_rx_fltrs.fet_reserved_count;
1519 self->aq_hw_rx_fltrs.fet_reserved_count++;
1521 case aq_rx_filter_l3l4:
1522 fltr_cnt = AQ_RX_LAST_LOC_FL3L4 - AQ_RX_FIRST_LOC_FL3L4;
1523 n_bit = fltr_cnt - self->aq_hw_rx_fltrs.fl3l4.reserved_count;
1525 self->aq_hw_rx_fltrs.fl3l4.active_ipv4 |= BIT(n_bit);
1526 self->aq_hw_rx_fltrs.fl3l4.reserved_count++;
1536 void aq_nic_release_filter(struct aq_nic_s *self, enum aq_rx_filter_type type,
1540 case aq_rx_filter_ethertype:
1541 self->aq_hw_rx_fltrs.fet_reserved_count--;
1543 case aq_rx_filter_l3l4:
1544 self->aq_hw_rx_fltrs.fl3l4.reserved_count--;
1545 self->aq_hw_rx_fltrs.fl3l4.active_ipv4 &= ~BIT(location);
1552 int aq_nic_set_downshift(struct aq_nic_s *self, int val)
1555 struct aq_nic_cfg_s *cfg = &self->aq_nic_cfg;
1557 if (!self->aq_fw_ops->set_downshift)
1561 netdev_err(self->ndev, "downshift counter should be <= 15\n");
1564 cfg->downshift_counter = val;
1566 mutex_lock(&self->fwreq_mutex);
1567 err = self->aq_fw_ops->set_downshift(self->aq_hw, cfg->downshift_counter);
1568 mutex_unlock(&self->fwreq_mutex);
1573 int aq_nic_set_media_detect(struct aq_nic_s *self, int val)
1575 struct aq_nic_cfg_s *cfg = &self->aq_nic_cfg;
1578 if (!self->aq_fw_ops->set_media_detect)
1581 if (val > 0 && val != AQ_HW_MEDIA_DETECT_CNT) {
1582 netdev_err(self->ndev, "EDPD on this device could have only fixed value of %d\n",
1583 AQ_HW_MEDIA_DETECT_CNT);
1587 mutex_lock(&self->fwreq_mutex);
1588 err = self->aq_fw_ops->set_media_detect(self->aq_hw, !!val);
1589 mutex_unlock(&self->fwreq_mutex);
1591 /* msecs plays no role - configuration is always fixed in PHY */
1593 cfg->is_media_detect = !!val;
1598 int aq_nic_setup_tc_mqprio(struct aq_nic_s *self, u32 tcs, u8 *prio_tc_map)
1600 struct aq_nic_cfg_s *cfg = &self->aq_nic_cfg;
1601 const unsigned int prev_vecs = cfg->vecs;
1606 /* if already the same configuration or
1607 * disable request (tcs is 0) and we already is disabled
1609 if (tcs == cfg->tcs || (tcs == 0 && !cfg->is_qos))
1612 ndev_running = netif_running(self->ndev);
1614 dev_close(self->ndev);
1620 memcpy(cfg->prio_tc_map, prio_tc_map, sizeof(cfg->prio_tc_map));
1622 for (i = 0; i < sizeof(cfg->prio_tc_map); i++)
1623 cfg->prio_tc_map[i] = cfg->tcs * i / 8;
1625 cfg->is_qos = !!tcs;
1626 cfg->is_ptp = (cfg->tcs <= AQ_HW_PTP_TC);
1628 netdev_warn(self->ndev, "%s\n",
1629 "PTP is auto disabled due to requested TC count.");
1631 netdev_set_num_tc(self->ndev, cfg->tcs);
1633 /* Changing the number of TCs might change the number of vectors */
1634 aq_nic_cfg_update_num_vecs(self);
1635 if (prev_vecs != cfg->vecs) {
1636 err = aq_nic_realloc_vectors(self);
1642 err = dev_open(self->ndev, NULL);
1648 int aq_nic_setup_tc_max_rate(struct aq_nic_s *self, const unsigned int tc,
1651 struct aq_nic_cfg_s *cfg = &self->aq_nic_cfg;
1653 if (tc >= AQ_CFG_TCS_MAX)
1656 if (max_rate && max_rate < 10) {
1657 netdev_warn(self->ndev,
1658 "Setting %s to the minimum usable value of %dMbps.\n",
1660 cfg->tc_max_rate[tc] = 10;
1662 cfg->tc_max_rate[tc] = max_rate;
1668 int aq_nic_setup_tc_min_rate(struct aq_nic_s *self, const unsigned int tc,
1671 struct aq_nic_cfg_s *cfg = &self->aq_nic_cfg;
1673 if (tc >= AQ_CFG_TCS_MAX)
1677 set_bit(tc, &cfg->tc_min_rate_msk);
1679 clear_bit(tc, &cfg->tc_min_rate_msk);
1681 if (min_rate && min_rate < 20) {
1682 netdev_warn(self->ndev,
1683 "Setting %s to the minimum usable value of %dMbps.\n",
1685 cfg->tc_min_rate[tc] = 20;
1687 cfg->tc_min_rate[tc] = min_rate;