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12#include "aq_nic.h"
13#include "aq_ring.h"
14#include "aq_vec.h"
15#include "aq_hw.h"
16#include "aq_pci_func.h"
17
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>
23#include <linux/ip.h>
24#include <linux/tcp.h>
25#include <net/ip.h>
26
27static unsigned int aq_itr = AQ_CFG_INTERRUPT_MODERATION_AUTO;
28module_param_named(aq_itr, aq_itr, uint, 0644);
29MODULE_PARM_DESC(aq_itr, "Interrupt throttling mode");
30
31static unsigned int aq_itr_tx;
32module_param_named(aq_itr_tx, aq_itr_tx, uint, 0644);
33MODULE_PARM_DESC(aq_itr_tx, "TX interrupt throttle rate");
34
35static unsigned int aq_itr_rx;
36module_param_named(aq_itr_rx, aq_itr_rx, uint, 0644);
37MODULE_PARM_DESC(aq_itr_rx, "RX interrupt throttle rate");
38
39static void aq_nic_update_ndev_stats(struct aq_nic_s *self);
40
41static void aq_nic_rss_init(struct aq_nic_s *self, unsigned int num_rss_queues)
42{
43 struct aq_nic_cfg_s *cfg = &self->aq_nic_cfg;
44 struct aq_rss_parameters *rss_params = &cfg->aq_rss;
45 int i = 0;
46
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
53 };
54
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;
58
59 for (i = rss_params->indirection_table_size; i--;)
60 rss_params->indirection_table[i] = i & (num_rss_queues - 1);
61}
62
63
64void aq_nic_cfg_start(struct aq_nic_s *self)
65{
66 struct aq_nic_cfg_s *cfg = &self->aq_nic_cfg;
67
68 cfg->tcs = AQ_CFG_TCS_DEF;
69
70 cfg->is_polling = AQ_CFG_IS_POLLING_DEF;
71
72 cfg->itr = aq_itr;
73 cfg->tx_itr = aq_itr_tx;
74 cfg->rx_itr = aq_itr_rx;
75
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;
80
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;
84
85 cfg->is_lro = AQ_CFG_IS_LRO_DEF;
86
87 cfg->vlan_id = 0U;
88
89 aq_nic_rss_init(self, cfg->num_rss_queues);
90
91
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);
94
95
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
100 if (cfg->vecs >= 8U)
101 cfg->vecs = 8U;
102 else if (cfg->vecs >= 4U)
103 cfg->vecs = 4U;
104 else if (cfg->vecs >= 2U)
105 cfg->vecs = 2U;
106 else
107 cfg->vecs = 1U;
108
109 cfg->num_rss_queues = min(cfg->vecs, AQ_CFG_NUM_RSS_QUEUES_DEF);
110
111 cfg->irq_type = aq_pci_func_get_irq_type(self);
112
113 if ((cfg->irq_type == AQ_HW_IRQ_LEGACY) ||
114 (cfg->aq_hw_caps->vecs == 1U) ||
115 (cfg->vecs == 1U)) {
116 cfg->is_rss = 0U;
117 cfg->vecs = 1U;
118 }
119
120 cfg->link_speed_msk &= cfg->aq_hw_caps->link_speed_msk;
121 cfg->hw_features = cfg->aq_hw_caps->hw_features;
122}
123
124static int aq_nic_update_link_status(struct aq_nic_s *self)
125{
126 int err = self->aq_fw_ops->update_link_status(self->aq_hw);
127
128 if (err)
129 return err;
130
131 if (self->link_status.mbps != self->aq_hw->aq_link_status.mbps) {
132 pr_info("%s: link change old %d new %d\n",
133 AQ_CFG_DRV_NAME, self->link_status.mbps,
134 self->aq_hw->aq_link_status.mbps);
135 aq_nic_update_interrupt_moderation_settings(self);
136 }
137
138 self->link_status = self->aq_hw->aq_link_status;
139 if (!netif_carrier_ok(self->ndev) && self->link_status.mbps) {
140 aq_utils_obj_set(&self->flags,
141 AQ_NIC_FLAG_STARTED);
142 aq_utils_obj_clear(&self->flags,
143 AQ_NIC_LINK_DOWN);
144 netif_carrier_on(self->ndev);
145 netif_tx_wake_all_queues(self->ndev);
146 }
147 if (netif_carrier_ok(self->ndev) && !self->link_status.mbps) {
148 netif_carrier_off(self->ndev);
149 netif_tx_disable(self->ndev);
150 aq_utils_obj_set(&self->flags, AQ_NIC_LINK_DOWN);
151 }
152 return 0;
153}
154
155static void aq_nic_service_timer_cb(struct timer_list *t)
156{
157 struct aq_nic_s *self = from_timer(self, t, service_timer);
158 int ctimer = AQ_CFG_SERVICE_TIMER_INTERVAL;
159 int err = 0;
160
161 if (aq_utils_obj_test(&self->flags, AQ_NIC_FLAGS_IS_NOT_READY))
162 goto err_exit;
163
164 err = aq_nic_update_link_status(self);
165 if (err)
166 goto err_exit;
167
168 if (self->aq_fw_ops->update_stats)
169 self->aq_fw_ops->update_stats(self->aq_hw);
170
171 aq_nic_update_ndev_stats(self);
172
173
174 if (!netif_carrier_ok(self->ndev))
175 ctimer = max(ctimer / 2, 1);
176
177err_exit:
178 mod_timer(&self->service_timer, jiffies + ctimer);
179}
180
181static void aq_nic_polling_timer_cb(struct timer_list *t)
182{
183 struct aq_nic_s *self = from_timer(self, t, polling_timer);
184 struct aq_vec_s *aq_vec = NULL;
185 unsigned int i = 0U;
186
187 for (i = 0U, aq_vec = self->aq_vec[0];
188 self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i])
189 aq_vec_isr(i, (void *)aq_vec);
190
191 mod_timer(&self->polling_timer, jiffies +
192 AQ_CFG_POLLING_TIMER_INTERVAL);
193}
194
195int aq_nic_ndev_register(struct aq_nic_s *self)
196{
197 int err = 0;
198
199 if (!self->ndev) {
200 err = -EINVAL;
201 goto err_exit;
202 }
203
204 err = hw_atl_utils_initfw(self->aq_hw, &self->aq_fw_ops);
205 if (err)
206 goto err_exit;
207
208 err = self->aq_fw_ops->get_mac_permanent(self->aq_hw,
209 self->ndev->dev_addr);
210 if (err)
211 goto err_exit;
212
213#if defined(AQ_CFG_MAC_ADDR_PERMANENT)
214 {
215 static u8 mac_addr_permanent[] = AQ_CFG_MAC_ADDR_PERMANENT;
216
217 ether_addr_copy(self->ndev->dev_addr, mac_addr_permanent);
218 }
219#endif
220
221 for (self->aq_vecs = 0; self->aq_vecs < aq_nic_get_cfg(self)->vecs;
222 self->aq_vecs++) {
223 self->aq_vec[self->aq_vecs] =
224 aq_vec_alloc(self, self->aq_vecs, aq_nic_get_cfg(self));
225 if (!self->aq_vec[self->aq_vecs]) {
226 err = -ENOMEM;
227 goto err_exit;
228 }
229 }
230
231 netif_carrier_off(self->ndev);
232
233 netif_tx_disable(self->ndev);
234
235 err = register_netdev(self->ndev);
236 if (err)
237 goto err_exit;
238
239err_exit:
240 return err;
241}
242
243void aq_nic_ndev_init(struct aq_nic_s *self)
244{
245 const struct aq_hw_caps_s *aq_hw_caps = self->aq_nic_cfg.aq_hw_caps;
246 struct aq_nic_cfg_s *aq_nic_cfg = &self->aq_nic_cfg;
247
248 self->ndev->hw_features |= aq_hw_caps->hw_features;
249 self->ndev->features = aq_hw_caps->hw_features;
250 self->ndev->vlan_features |= NETIF_F_HW_CSUM | NETIF_F_RXCSUM |
251 NETIF_F_RXHASH | NETIF_F_SG | NETIF_F_LRO;
252 self->ndev->priv_flags = aq_hw_caps->hw_priv_flags;
253 self->ndev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
254
255 self->ndev->mtu = aq_nic_cfg->mtu - ETH_HLEN;
256 self->ndev->max_mtu = aq_hw_caps->mtu - ETH_FCS_LEN - ETH_HLEN;
257
258}
259
260void aq_nic_set_tx_ring(struct aq_nic_s *self, unsigned int idx,
261 struct aq_ring_s *ring)
262{
263 self->aq_ring_tx[idx] = ring;
264}
265
266struct net_device *aq_nic_get_ndev(struct aq_nic_s *self)
267{
268 return self->ndev;
269}
270
271int aq_nic_init(struct aq_nic_s *self)
272{
273 struct aq_vec_s *aq_vec = NULL;
274 int err = 0;
275 unsigned int i = 0U;
276
277 self->power_state = AQ_HW_POWER_STATE_D0;
278 err = self->aq_hw_ops->hw_reset(self->aq_hw);
279 if (err < 0)
280 goto err_exit;
281
282 err = self->aq_hw_ops->hw_init(self->aq_hw,
283 aq_nic_get_ndev(self)->dev_addr);
284 if (err < 0)
285 goto err_exit;
286
287 for (i = 0U, aq_vec = self->aq_vec[0];
288 self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i])
289 aq_vec_init(aq_vec, self->aq_hw_ops, self->aq_hw);
290
291 netif_carrier_off(self->ndev);
292
293err_exit:
294 return err;
295}
296
297int aq_nic_start(struct aq_nic_s *self)
298{
299 struct aq_vec_s *aq_vec = NULL;
300 int err = 0;
301 unsigned int i = 0U;
302
303 err = self->aq_hw_ops->hw_multicast_list_set(self->aq_hw,
304 self->mc_list.ar,
305 self->mc_list.count);
306 if (err < 0)
307 goto err_exit;
308
309 err = self->aq_hw_ops->hw_packet_filter_set(self->aq_hw,
310 self->packet_filter);
311 if (err < 0)
312 goto err_exit;
313
314 for (i = 0U, aq_vec = self->aq_vec[0];
315 self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i]) {
316 err = aq_vec_start(aq_vec);
317 if (err < 0)
318 goto err_exit;
319 }
320
321 err = self->aq_hw_ops->hw_start(self->aq_hw);
322 if (err < 0)
323 goto err_exit;
324
325 err = aq_nic_update_interrupt_moderation_settings(self);
326 if (err)
327 goto err_exit;
328 timer_setup(&self->service_timer, aq_nic_service_timer_cb, 0);
329 mod_timer(&self->service_timer, jiffies +
330 AQ_CFG_SERVICE_TIMER_INTERVAL);
331
332 if (self->aq_nic_cfg.is_polling) {
333 timer_setup(&self->polling_timer, aq_nic_polling_timer_cb, 0);
334 mod_timer(&self->polling_timer, jiffies +
335 AQ_CFG_POLLING_TIMER_INTERVAL);
336 } else {
337 for (i = 0U, aq_vec = self->aq_vec[0];
338 self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i]) {
339 err = aq_pci_func_alloc_irq(self, i,
340 self->ndev->name, aq_vec,
341 aq_vec_get_affinity_mask(aq_vec));
342 if (err < 0)
343 goto err_exit;
344 }
345
346 err = self->aq_hw_ops->hw_irq_enable(self->aq_hw,
347 AQ_CFG_IRQ_MASK);
348 if (err < 0)
349 goto err_exit;
350 }
351
352 err = netif_set_real_num_tx_queues(self->ndev, self->aq_vecs);
353 if (err < 0)
354 goto err_exit;
355
356 err = netif_set_real_num_rx_queues(self->ndev, self->aq_vecs);
357 if (err < 0)
358 goto err_exit;
359
360 netif_tx_start_all_queues(self->ndev);
361
362err_exit:
363 return err;
364}
365
366static unsigned int aq_nic_map_skb(struct aq_nic_s *self,
367 struct sk_buff *skb,
368 struct aq_ring_s *ring)
369{
370 unsigned int ret = 0U;
371 unsigned int nr_frags = skb_shinfo(skb)->nr_frags;
372 unsigned int frag_count = 0U;
373 unsigned int dx = ring->sw_tail;
374 struct aq_ring_buff_s *first = NULL;
375 struct aq_ring_buff_s *dx_buff = &ring->buff_ring[dx];
376
377 if (unlikely(skb_is_gso(skb))) {
378 dx_buff->flags = 0U;
379 dx_buff->len_pkt = skb->len;
380 dx_buff->len_l2 = ETH_HLEN;
381 dx_buff->len_l3 = ip_hdrlen(skb);
382 dx_buff->len_l4 = tcp_hdrlen(skb);
383 dx_buff->mss = skb_shinfo(skb)->gso_size;
384 dx_buff->is_txc = 1U;
385 dx_buff->eop_index = 0xffffU;
386
387 dx_buff->is_ipv6 =
388 (ip_hdr(skb)->version == 6) ? 1U : 0U;
389
390 dx = aq_ring_next_dx(ring, dx);
391 dx_buff = &ring->buff_ring[dx];
392 ++ret;
393 }
394
395 dx_buff->flags = 0U;
396 dx_buff->len = skb_headlen(skb);
397 dx_buff->pa = dma_map_single(aq_nic_get_dev(self),
398 skb->data,
399 dx_buff->len,
400 DMA_TO_DEVICE);
401
402 if (unlikely(dma_mapping_error(aq_nic_get_dev(self), dx_buff->pa)))
403 goto exit;
404
405 first = dx_buff;
406 dx_buff->len_pkt = skb->len;
407 dx_buff->is_sop = 1U;
408 dx_buff->is_mapped = 1U;
409 ++ret;
410
411 if (skb->ip_summed == CHECKSUM_PARTIAL) {
412 dx_buff->is_ip_cso = (htons(ETH_P_IP) == skb->protocol) ?
413 1U : 0U;
414
415 if (ip_hdr(skb)->version == 4) {
416 dx_buff->is_tcp_cso =
417 (ip_hdr(skb)->protocol == IPPROTO_TCP) ?
418 1U : 0U;
419 dx_buff->is_udp_cso =
420 (ip_hdr(skb)->protocol == IPPROTO_UDP) ?
421 1U : 0U;
422 } else if (ip_hdr(skb)->version == 6) {
423 dx_buff->is_tcp_cso =
424 (ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP) ?
425 1U : 0U;
426 dx_buff->is_udp_cso =
427 (ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP) ?
428 1U : 0U;
429 }
430 }
431
432 for (; nr_frags--; ++frag_count) {
433 unsigned int frag_len = 0U;
434 unsigned int buff_offset = 0U;
435 unsigned int buff_size = 0U;
436 dma_addr_t frag_pa;
437 skb_frag_t *frag = &skb_shinfo(skb)->frags[frag_count];
438
439 frag_len = skb_frag_size(frag);
440
441 while (frag_len) {
442 if (frag_len > AQ_CFG_TX_FRAME_MAX)
443 buff_size = AQ_CFG_TX_FRAME_MAX;
444 else
445 buff_size = frag_len;
446
447 frag_pa = skb_frag_dma_map(aq_nic_get_dev(self),
448 frag,
449 buff_offset,
450 buff_size,
451 DMA_TO_DEVICE);
452
453 if (unlikely(dma_mapping_error(aq_nic_get_dev(self),
454 frag_pa)))
455 goto mapping_error;
456
457 dx = aq_ring_next_dx(ring, dx);
458 dx_buff = &ring->buff_ring[dx];
459
460 dx_buff->flags = 0U;
461 dx_buff->len = buff_size;
462 dx_buff->pa = frag_pa;
463 dx_buff->is_mapped = 1U;
464 dx_buff->eop_index = 0xffffU;
465
466 frag_len -= buff_size;
467 buff_offset += buff_size;
468
469 ++ret;
470 }
471 }
472
473 first->eop_index = dx;
474 dx_buff->is_eop = 1U;
475 dx_buff->skb = skb;
476 goto exit;
477
478mapping_error:
479 for (dx = ring->sw_tail;
480 ret > 0;
481 --ret, dx = aq_ring_next_dx(ring, dx)) {
482 dx_buff = &ring->buff_ring[dx];
483
484 if (!dx_buff->is_txc && dx_buff->pa) {
485 if (unlikely(dx_buff->is_sop)) {
486 dma_unmap_single(aq_nic_get_dev(self),
487 dx_buff->pa,
488 dx_buff->len,
489 DMA_TO_DEVICE);
490 } else {
491 dma_unmap_page(aq_nic_get_dev(self),
492 dx_buff->pa,
493 dx_buff->len,
494 DMA_TO_DEVICE);
495 }
496 }
497 }
498
499exit:
500 return ret;
501}
502
503int aq_nic_xmit(struct aq_nic_s *self, struct sk_buff *skb)
504{
505 struct aq_ring_s *ring = NULL;
506 unsigned int frags = 0U;
507 unsigned int vec = skb->queue_mapping % self->aq_nic_cfg.vecs;
508 unsigned int tc = 0U;
509 int err = NETDEV_TX_OK;
510
511 frags = skb_shinfo(skb)->nr_frags + 1;
512
513 ring = self->aq_ring_tx[AQ_NIC_TCVEC2RING(self, tc, vec)];
514
515 if (frags > AQ_CFG_SKB_FRAGS_MAX) {
516 dev_kfree_skb_any(skb);
517 goto err_exit;
518 }
519
520 aq_ring_update_queue_state(ring);
521
522
523 if (__netif_subqueue_stopped(self->ndev, ring->idx)) {
524 err = NETDEV_TX_BUSY;
525 goto err_exit;
526 }
527
528 frags = aq_nic_map_skb(self, skb, ring);
529
530 if (likely(frags)) {
531 err = self->aq_hw_ops->hw_ring_tx_xmit(self->aq_hw,
532 ring, frags);
533 if (err >= 0) {
534 ++ring->stats.tx.packets;
535 ring->stats.tx.bytes += skb->len;
536 }
537 } else {
538 err = NETDEV_TX_BUSY;
539 }
540
541err_exit:
542 return err;
543}
544
545int aq_nic_update_interrupt_moderation_settings(struct aq_nic_s *self)
546{
547 return self->aq_hw_ops->hw_interrupt_moderation_set(self->aq_hw);
548}
549
550int aq_nic_set_packet_filter(struct aq_nic_s *self, unsigned int flags)
551{
552 int err = 0;
553
554 err = self->aq_hw_ops->hw_packet_filter_set(self->aq_hw, flags);
555 if (err < 0)
556 goto err_exit;
557
558 self->packet_filter = flags;
559
560err_exit:
561 return err;
562}
563
564int aq_nic_set_multicast_list(struct aq_nic_s *self, struct net_device *ndev)
565{
566 unsigned int packet_filter = self->packet_filter;
567 struct netdev_hw_addr *ha = NULL;
568 unsigned int i = 0U;
569
570 self->mc_list.count = 0;
571 if (netdev_uc_count(ndev) > AQ_HW_MULTICAST_ADDRESS_MAX) {
572 packet_filter |= IFF_PROMISC;
573 } else {
574 netdev_for_each_uc_addr(ha, ndev) {
575 ether_addr_copy(self->mc_list.ar[i++], ha->addr);
576
577 if (i >= AQ_HW_MULTICAST_ADDRESS_MAX)
578 break;
579 }
580 }
581
582 if (i + netdev_mc_count(ndev) > AQ_HW_MULTICAST_ADDRESS_MAX) {
583 packet_filter |= IFF_ALLMULTI;
584 } else {
585 netdev_for_each_mc_addr(ha, ndev) {
586 ether_addr_copy(self->mc_list.ar[i++], ha->addr);
587
588 if (i >= AQ_HW_MULTICAST_ADDRESS_MAX)
589 break;
590 }
591 }
592
593 if (i > 0 && i < AQ_HW_MULTICAST_ADDRESS_MAX) {
594 packet_filter |= IFF_MULTICAST;
595 self->mc_list.count = i;
596 self->aq_hw_ops->hw_multicast_list_set(self->aq_hw,
597 self->mc_list.ar,
598 self->mc_list.count);
599 }
600 return aq_nic_set_packet_filter(self, packet_filter);
601}
602
603int aq_nic_set_mtu(struct aq_nic_s *self, int new_mtu)
604{
605 self->aq_nic_cfg.mtu = new_mtu;
606
607 return 0;
608}
609
610int aq_nic_set_mac(struct aq_nic_s *self, struct net_device *ndev)
611{
612 return self->aq_hw_ops->hw_set_mac_address(self->aq_hw, ndev->dev_addr);
613}
614
615unsigned int aq_nic_get_link_speed(struct aq_nic_s *self)
616{
617 return self->link_status.mbps;
618}
619
620int aq_nic_get_regs(struct aq_nic_s *self, struct ethtool_regs *regs, void *p)
621{
622 u32 *regs_buff = p;
623 int err = 0;
624
625 regs->version = 1;
626
627 err = self->aq_hw_ops->hw_get_regs(self->aq_hw,
628 self->aq_nic_cfg.aq_hw_caps,
629 regs_buff);
630 if (err < 0)
631 goto err_exit;
632
633err_exit:
634 return err;
635}
636
637int aq_nic_get_regs_count(struct aq_nic_s *self)
638{
639 return self->aq_nic_cfg.aq_hw_caps->mac_regs_count;
640}
641
642void aq_nic_get_stats(struct aq_nic_s *self, u64 *data)
643{
644 unsigned int i = 0U;
645 unsigned int count = 0U;
646 struct aq_vec_s *aq_vec = NULL;
647 struct aq_stats_s *stats = self->aq_hw_ops->hw_get_hw_stats(self->aq_hw);
648
649 if (!stats)
650 goto err_exit;
651
652 data[i] = stats->uprc + stats->mprc + stats->bprc;
653 data[++i] = stats->uprc;
654 data[++i] = stats->mprc;
655 data[++i] = stats->bprc;
656 data[++i] = stats->erpt;
657 data[++i] = stats->uptc + stats->mptc + stats->bptc;
658 data[++i] = stats->uptc;
659 data[++i] = stats->mptc;
660 data[++i] = stats->bptc;
661 data[++i] = stats->ubrc;
662 data[++i] = stats->ubtc;
663 data[++i] = stats->mbrc;
664 data[++i] = stats->mbtc;
665 data[++i] = stats->bbrc;
666 data[++i] = stats->bbtc;
667 data[++i] = stats->ubrc + stats->mbrc + stats->bbrc;
668 data[++i] = stats->ubtc + stats->mbtc + stats->bbtc;
669 data[++i] = stats->dma_pkt_rc;
670 data[++i] = stats->dma_pkt_tc;
671 data[++i] = stats->dma_oct_rc;
672 data[++i] = stats->dma_oct_tc;
673 data[++i] = stats->dpc;
674
675 i++;
676
677 data += i;
678
679 for (i = 0U, aq_vec = self->aq_vec[0];
680 aq_vec && self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i]) {
681 data += count;
682 aq_vec_get_sw_stats(aq_vec, data, &count);
683 }
684
685err_exit:;
686}
687
688static void aq_nic_update_ndev_stats(struct aq_nic_s *self)
689{
690 struct net_device *ndev = self->ndev;
691 struct aq_stats_s *stats = self->aq_hw_ops->hw_get_hw_stats(self->aq_hw);
692
693 ndev->stats.rx_packets = stats->uprc + stats->mprc + stats->bprc;
694 ndev->stats.rx_bytes = stats->ubrc + stats->mbrc + stats->bbrc;
695 ndev->stats.rx_errors = stats->erpr;
696 ndev->stats.tx_packets = stats->uptc + stats->mptc + stats->bptc;
697 ndev->stats.tx_bytes = stats->ubtc + stats->mbtc + stats->bbtc;
698 ndev->stats.tx_errors = stats->erpt;
699 ndev->stats.multicast = stats->mprc;
700}
701
702void aq_nic_get_link_ksettings(struct aq_nic_s *self,
703 struct ethtool_link_ksettings *cmd)
704{
705 if (self->aq_nic_cfg.aq_hw_caps->media_type == AQ_HW_MEDIA_TYPE_FIBRE)
706 cmd->base.port = PORT_FIBRE;
707 else
708 cmd->base.port = PORT_TP;
709
710 cmd->base.duplex = DUPLEX_FULL;
711 cmd->base.autoneg = self->aq_nic_cfg.is_autoneg;
712
713 ethtool_link_ksettings_zero_link_mode(cmd, supported);
714
715 if (self->aq_nic_cfg.aq_hw_caps->link_speed_msk & AQ_NIC_RATE_10G)
716 ethtool_link_ksettings_add_link_mode(cmd, supported,
717 10000baseT_Full);
718
719 if (self->aq_nic_cfg.aq_hw_caps->link_speed_msk & AQ_NIC_RATE_5G)
720 ethtool_link_ksettings_add_link_mode(cmd, supported,
721 5000baseT_Full);
722
723 if (self->aq_nic_cfg.aq_hw_caps->link_speed_msk & AQ_NIC_RATE_2GS)
724 ethtool_link_ksettings_add_link_mode(cmd, supported,
725 2500baseT_Full);
726
727 if (self->aq_nic_cfg.aq_hw_caps->link_speed_msk & AQ_NIC_RATE_1G)
728 ethtool_link_ksettings_add_link_mode(cmd, supported,
729 1000baseT_Full);
730
731 if (self->aq_nic_cfg.aq_hw_caps->link_speed_msk & AQ_NIC_RATE_100M)
732 ethtool_link_ksettings_add_link_mode(cmd, supported,
733 100baseT_Full);
734
735 if (self->aq_nic_cfg.aq_hw_caps->flow_control)
736 ethtool_link_ksettings_add_link_mode(cmd, supported,
737 Pause);
738
739 ethtool_link_ksettings_add_link_mode(cmd, supported, Autoneg);
740
741 if (self->aq_nic_cfg.aq_hw_caps->media_type == AQ_HW_MEDIA_TYPE_FIBRE)
742 ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE);
743 else
744 ethtool_link_ksettings_add_link_mode(cmd, supported, TP);
745
746 ethtool_link_ksettings_zero_link_mode(cmd, advertising);
747
748 if (self->aq_nic_cfg.is_autoneg)
749 ethtool_link_ksettings_add_link_mode(cmd, advertising, Autoneg);
750
751 if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_10G)
752 ethtool_link_ksettings_add_link_mode(cmd, advertising,
753 10000baseT_Full);
754
755 if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_5G)
756 ethtool_link_ksettings_add_link_mode(cmd, advertising,
757 5000baseT_Full);
758
759 if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_2GS)
760 ethtool_link_ksettings_add_link_mode(cmd, advertising,
761 2500baseT_Full);
762
763 if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_1G)
764 ethtool_link_ksettings_add_link_mode(cmd, advertising,
765 1000baseT_Full);
766
767 if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_100M)
768 ethtool_link_ksettings_add_link_mode(cmd, advertising,
769 100baseT_Full);
770
771 if (self->aq_nic_cfg.flow_control & AQ_NIC_FC_RX)
772 ethtool_link_ksettings_add_link_mode(cmd, advertising,
773 Pause);
774
775 if (self->aq_nic_cfg.flow_control & AQ_NIC_FC_TX)
776 ethtool_link_ksettings_add_link_mode(cmd, advertising,
777 Asym_Pause);
778
779 if (self->aq_nic_cfg.aq_hw_caps->media_type == AQ_HW_MEDIA_TYPE_FIBRE)
780 ethtool_link_ksettings_add_link_mode(cmd, advertising, FIBRE);
781 else
782 ethtool_link_ksettings_add_link_mode(cmd, advertising, TP);
783}
784
785int aq_nic_set_link_ksettings(struct aq_nic_s *self,
786 const struct ethtool_link_ksettings *cmd)
787{
788 u32 speed = 0U;
789 u32 rate = 0U;
790 int err = 0;
791
792 if (cmd->base.autoneg == AUTONEG_ENABLE) {
793 rate = self->aq_nic_cfg.aq_hw_caps->link_speed_msk;
794 self->aq_nic_cfg.is_autoneg = true;
795 } else {
796 speed = cmd->base.speed;
797
798 switch (speed) {
799 case SPEED_100:
800 rate = AQ_NIC_RATE_100M;
801 break;
802
803 case SPEED_1000:
804 rate = AQ_NIC_RATE_1G;
805 break;
806
807 case SPEED_2500:
808 rate = AQ_NIC_RATE_2GS;
809 break;
810
811 case SPEED_5000:
812 rate = AQ_NIC_RATE_5G;
813 break;
814
815 case SPEED_10000:
816 rate = AQ_NIC_RATE_10G;
817 break;
818
819 default:
820 err = -1;
821 goto err_exit;
822 break;
823 }
824 if (!(self->aq_nic_cfg.aq_hw_caps->link_speed_msk & rate)) {
825 err = -1;
826 goto err_exit;
827 }
828
829 self->aq_nic_cfg.is_autoneg = false;
830 }
831
832 err = self->aq_fw_ops->set_link_speed(self->aq_hw, rate);
833 if (err < 0)
834 goto err_exit;
835
836 self->aq_nic_cfg.link_speed_msk = rate;
837
838err_exit:
839 return err;
840}
841
842struct aq_nic_cfg_s *aq_nic_get_cfg(struct aq_nic_s *self)
843{
844 return &self->aq_nic_cfg;
845}
846
847u32 aq_nic_get_fw_version(struct aq_nic_s *self)
848{
849 u32 fw_version = 0U;
850
851 self->aq_hw_ops->hw_get_fw_version(self->aq_hw, &fw_version);
852
853 return fw_version;
854}
855
856int aq_nic_stop(struct aq_nic_s *self)
857{
858 struct aq_vec_s *aq_vec = NULL;
859 unsigned int i = 0U;
860
861 netif_tx_disable(self->ndev);
862 netif_carrier_off(self->ndev);
863
864 del_timer_sync(&self->service_timer);
865
866 self->aq_hw_ops->hw_irq_disable(self->aq_hw, AQ_CFG_IRQ_MASK);
867
868 if (self->aq_nic_cfg.is_polling)
869 del_timer_sync(&self->polling_timer);
870 else
871 aq_pci_func_free_irqs(self);
872
873 for (i = 0U, aq_vec = self->aq_vec[0];
874 self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i])
875 aq_vec_stop(aq_vec);
876
877 return self->aq_hw_ops->hw_stop(self->aq_hw);
878}
879
880void aq_nic_deinit(struct aq_nic_s *self)
881{
882 struct aq_vec_s *aq_vec = NULL;
883 unsigned int i = 0U;
884
885 if (!self)
886 goto err_exit;
887
888 for (i = 0U, aq_vec = self->aq_vec[0];
889 self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i])
890 aq_vec_deinit(aq_vec);
891
892 if (self->power_state == AQ_HW_POWER_STATE_D0) {
893 (void)self->aq_fw_ops->deinit(self->aq_hw);
894 } else {
895 (void)self->aq_hw_ops->hw_set_power(self->aq_hw,
896 self->power_state);
897 }
898
899err_exit:;
900}
901
902void aq_nic_free_vectors(struct aq_nic_s *self)
903{
904 unsigned int i = 0U;
905
906 if (!self)
907 goto err_exit;
908
909 for (i = ARRAY_SIZE(self->aq_vec); i--;) {
910 if (self->aq_vec[i]) {
911 aq_vec_free(self->aq_vec[i]);
912 self->aq_vec[i] = NULL;
913 }
914 }
915
916err_exit:;
917}
918
919int aq_nic_change_pm_state(struct aq_nic_s *self, pm_message_t *pm_msg)
920{
921 int err = 0;
922
923 if (!netif_running(self->ndev)) {
924 err = 0;
925 goto out;
926 }
927 rtnl_lock();
928 if (pm_msg->event & PM_EVENT_SLEEP || pm_msg->event & PM_EVENT_FREEZE) {
929 self->power_state = AQ_HW_POWER_STATE_D3;
930 netif_device_detach(self->ndev);
931 netif_tx_stop_all_queues(self->ndev);
932
933 err = aq_nic_stop(self);
934 if (err < 0)
935 goto err_exit;
936
937 aq_nic_deinit(self);
938 } else {
939 err = aq_nic_init(self);
940 if (err < 0)
941 goto err_exit;
942
943 err = aq_nic_start(self);
944 if (err < 0)
945 goto err_exit;
946
947 netif_device_attach(self->ndev);
948 netif_tx_start_all_queues(self->ndev);
949 }
950
951err_exit:
952 rtnl_unlock();
953out:
954 return err;
955}
956
957void aq_nic_shutdown(struct aq_nic_s *self)
958{
959 int err = 0;
960
961 if (!self->ndev)
962 return;
963
964 rtnl_lock();
965
966 netif_device_detach(self->ndev);
967
968 if (netif_running(self->ndev)) {
969 err = aq_nic_stop(self);
970 if (err < 0)
971 goto err_exit;
972 }
973 aq_nic_deinit(self);
974
975err_exit:
976 rtnl_unlock();
977}
