]> git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/blame - drivers/net/ethernet/aquantia/atlantic/aq_nic.c
projects / mirror_ubuntu-eoan-kernel.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
net: ethernet: aquantia: Removed busy_count field.
[mirror_ubuntu-eoan-kernel.git] / drivers / net / ethernet / aquantia / atlantic / aq_nic.c
CommitLineData
97bde5c4
DV		 1/*
2 * aQuantia Corporation Network Driver
3 * Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
4 *
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.
8 */
9
10/* File aq_nic.c: Definition of common code for NIC. */
11
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#include "aq_nic_internal.h"
18
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 void aq_nic_rss_init(struct aq_nic_s *self, unsigned int num_rss_queues)
28{
29 struct aq_nic_cfg_s *cfg = &self->aq_nic_cfg;
30 struct aq_rss_parameters *rss_params = &cfg->aq_rss;
31 int i = 0;
32
33 static u8 rss_key[40] = {
34 0x1e, 0xad, 0x71, 0x87, 0x65, 0xfc, 0x26, 0x7d,
35 0x0d, 0x45, 0x67, 0x74, 0xcd, 0x06, 0x1a, 0x18,
36 0xb6, 0xc1, 0xf0, 0xc7, 0xbb, 0x18, 0xbe, 0xf8,
37 0x19, 0x13, 0x4b, 0xa9, 0xd0, 0x3e, 0xfe, 0x70,
38 0x25, 0x03, 0xab, 0x50, 0x6a, 0x8b, 0x82, 0x0c
39 };
40
41 rss_params->hash_secret_key_size = sizeof(rss_key);
42 memcpy(rss_params->hash_secret_key, rss_key, sizeof(rss_key));
43 rss_params->indirection_table_size = AQ_CFG_RSS_INDIRECTION_TABLE_MAX;
44
45 for (i = rss_params->indirection_table_size; i--;)
46 rss_params->indirection_table[i] = i & (num_rss_queues - 1);
47}
48
49/* Fills aq_nic_cfg with valid defaults */
50static void aq_nic_cfg_init_defaults(struct aq_nic_s *self)
51{
52 struct aq_nic_cfg_s *cfg = &self->aq_nic_cfg;
53
54 cfg->aq_hw_caps = &self->aq_hw_caps;
55
56 cfg->vecs = AQ_CFG_VECS_DEF;
57 cfg->tcs = AQ_CFG_TCS_DEF;
58
59 cfg->rxds = AQ_CFG_RXDS_DEF;
60 cfg->txds = AQ_CFG_TXDS_DEF;
61
62 cfg->is_polling = AQ_CFG_IS_POLLING_DEF;
63
64 cfg->is_interrupt_moderation = AQ_CFG_IS_INTERRUPT_MODERATION_DEF;
65 cfg->itr = cfg->is_interrupt_moderation ?
66 AQ_CFG_INTERRUPT_MODERATION_RATE_DEF : 0U;
67
68 cfg->is_rss = AQ_CFG_IS_RSS_DEF;
69 cfg->num_rss_queues = AQ_CFG_NUM_RSS_QUEUES_DEF;
70 cfg->aq_rss.base_cpu_number = AQ_CFG_RSS_BASE_CPU_NUM_DEF;
71 cfg->flow_control = AQ_CFG_FC_MODE;
72
73 cfg->mtu = AQ_CFG_MTU_DEF;
74 cfg->link_speed_msk = AQ_CFG_SPEED_MSK;
75 cfg->is_autoneg = AQ_CFG_IS_AUTONEG_DEF;
76
77 cfg->is_lro = AQ_CFG_IS_LRO_DEF;
78
79 cfg->vlan_id = 0U;
80
81 aq_nic_rss_init(self, cfg->num_rss_queues);
82}
83
84/* Checks hw_caps and 'corrects' aq_nic_cfg in runtime */
85int aq_nic_cfg_start(struct aq_nic_s *self)
86{
87 struct aq_nic_cfg_s *cfg = &self->aq_nic_cfg;
88
89 /*descriptors */
90 cfg->rxds = min(cfg->rxds, cfg->aq_hw_caps->rxds);
91 cfg->txds = min(cfg->txds, cfg->aq_hw_caps->txds);
92
93 /*rss rings */
94 cfg->vecs = min(cfg->vecs, cfg->aq_hw_caps->vecs);
95 cfg->vecs = min(cfg->vecs, num_online_cpus());
96 /* cfg->vecs should be power of 2 for RSS */
97 if (cfg->vecs >= 8U)
98 cfg->vecs = 8U;
99 else if (cfg->vecs >= 4U)
100 cfg->vecs = 4U;
101 else if (cfg->vecs >= 2U)
102 cfg->vecs = 2U;
103 else
104 cfg->vecs = 1U;
105
106 cfg->irq_type = aq_pci_func_get_irq_type(self->aq_pci_func);
107
108 if ((cfg->irq_type == AQ_HW_IRQ_LEGACY) ||
109 (self->aq_hw_caps.vecs == 1U) ||
110 (cfg->vecs == 1U)) {
111 cfg->is_rss = 0U;
112 cfg->vecs = 1U;
113 }
114
115 cfg->link_speed_msk &= self->aq_hw_caps.link_speed_msk;
116 cfg->hw_features = self->aq_hw_caps.hw_features;
117 return 0;
118}
119
120static void aq_nic_service_timer_cb(unsigned long param)
121{
122 struct aq_nic_s *self = (struct aq_nic_s *)param;
123 struct net_device *ndev = aq_nic_get_ndev(self);
124 int err = 0;
97bde5c4
DV		 125 unsigned int i = 0U;
126 struct aq_hw_link_status_s link_status;
127 struct aq_ring_stats_rx_s stats_rx;
128 struct aq_ring_stats_tx_s stats_tx;
129
97bde5c4
DV		 130 if (aq_utils_obj_test(&self->header.flags, AQ_NIC_FLAGS_IS_NOT_READY))
131 goto err_exit;
132
133 err = self->aq_hw_ops.hw_get_link_status(self->aq_hw, &link_status);
134 if (err < 0)
135 goto err_exit;
136
137 self->aq_hw_ops.hw_interrupt_moderation_set(self->aq_hw,
138 self->aq_nic_cfg.is_interrupt_moderation);
139
140 if (memcmp(&link_status, &self->link_status, sizeof(link_status))) {
141 if (link_status.mbps) {
142 aq_utils_obj_set(&self->header.flags,
143 AQ_NIC_FLAG_STARTED);
144 aq_utils_obj_clear(&self->header.flags,
145 AQ_NIC_LINK_DOWN);
146 netif_carrier_on(self->ndev);
147 } else {
148 netif_carrier_off(self->ndev);
149 aq_utils_obj_set(&self->header.flags, AQ_NIC_LINK_DOWN);
150 }
151
152 self->link_status = link_status;
153 }
154
155 memset(&stats_rx, 0U, sizeof(struct aq_ring_stats_rx_s));
156 memset(&stats_tx, 0U, sizeof(struct aq_ring_stats_tx_s));
157 for (i = AQ_DIMOF(self->aq_vec); i--;) {
158 if (self->aq_vec[i])
159 aq_vec_add_stats(self->aq_vec[i], &stats_rx, &stats_tx);
160 }
161
162 ndev->stats.rx_packets = stats_rx.packets;
163 ndev->stats.rx_bytes = stats_rx.bytes;
164 ndev->stats.rx_errors = stats_rx.errors;
165 ndev->stats.tx_packets = stats_tx.packets;
166 ndev->stats.tx_bytes = stats_tx.bytes;
167 ndev->stats.tx_errors = stats_tx.errors;
168
169err_exit:
97bde5c4
DV		 170 mod_timer(&self->service_timer,
171 jiffies + AQ_CFG_SERVICE_TIMER_INTERVAL);
172}
173
174static void aq_nic_polling_timer_cb(unsigned long param)
175{
176 struct aq_nic_s *self = (struct aq_nic_s *)param;
177 struct aq_vec_s *aq_vec = NULL;
178 unsigned int i = 0U;
179
180 for (i = 0U, aq_vec = self->aq_vec[0];
181 self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i])
182 aq_vec_isr(i, (void *)aq_vec);
183
184 mod_timer(&self->polling_timer, jiffies +
185 AQ_CFG_POLLING_TIMER_INTERVAL);
186}
187
188static struct net_device *aq_nic_ndev_alloc(void)
189{
190 return alloc_etherdev_mq(sizeof(struct aq_nic_s), AQ_CFG_VECS_MAX);
191}
192
193struct aq_nic_s *aq_nic_alloc_cold(const struct net_device_ops *ndev_ops,
194 const struct ethtool_ops *et_ops,
195 struct device *dev,
196 struct aq_pci_func_s *aq_pci_func,
197 unsigned int port,
198 const struct aq_hw_ops *aq_hw_ops)
199{
200 struct net_device *ndev = NULL;
201 struct aq_nic_s *self = NULL;
202 int err = 0;
203
204 ndev = aq_nic_ndev_alloc();
205 self = netdev_priv(ndev);
206 if (!self) {
207 err = -EINVAL;
208 goto err_exit;
209 }
210
211 ndev->netdev_ops = ndev_ops;
212 ndev->ethtool_ops = et_ops;
213
214 SET_NETDEV_DEV(ndev, dev);
215
216 ndev->if_port = port;
217 self->ndev = ndev;
218
219 self->aq_pci_func = aq_pci_func;
220
221 self->aq_hw_ops = *aq_hw_ops;
222 self->port = (u8)port;
223
224 self->aq_hw = self->aq_hw_ops.create(aq_pci_func, self->port,
225 &self->aq_hw_ops);
226 err = self->aq_hw_ops.get_hw_caps(self->aq_hw, &self->aq_hw_caps);
227 if (err < 0)
228 goto err_exit;
229
230 aq_nic_cfg_init_defaults(self);
231
232err_exit:
233 if (err < 0) {
234 aq_nic_free_hot_resources(self);
235 self = NULL;
236 }
237 return self;
238}
239
240int aq_nic_ndev_register(struct aq_nic_s *self)
241{
242 int err = 0;
243 unsigned int i = 0U;
244
245 if (!self->ndev) {
246 err = -EINVAL;
247 goto err_exit;
248 }
249 err = self->aq_hw_ops.hw_get_mac_permanent(self->aq_hw,
250 self->aq_nic_cfg.aq_hw_caps,
251 self->ndev->dev_addr);
252 if (err < 0)
253 goto err_exit;
254
255#if defined(AQ_CFG_MAC_ADDR_PERMANENT)
256 {
257 static u8 mac_addr_permanent[] = AQ_CFG_MAC_ADDR_PERMANENT;
258
259 ether_addr_copy(self->ndev->dev_addr, mac_addr_permanent);
260 }
261#endif
262 err = register_netdev(self->ndev);
263 if (err < 0)
264 goto err_exit;
265
266 self->is_ndev_registered = true;
267 netif_carrier_off(self->ndev);
268
269 for (i = AQ_CFG_VECS_MAX; i--;)
270 aq_nic_ndev_queue_stop(self, i);
271
272err_exit:
273 return err;
274}
275
276int aq_nic_ndev_init(struct aq_nic_s *self)
277{
278 struct aq_hw_caps_s *aq_hw_caps = self->aq_nic_cfg.aq_hw_caps;
279 struct aq_nic_cfg_s *aq_nic_cfg = &self->aq_nic_cfg;
280
281 self->ndev->hw_features |= aq_hw_caps->hw_features;
282 self->ndev->features = aq_hw_caps->hw_features;
283 self->ndev->priv_flags = aq_hw_caps->hw_priv_flags;
284 self->ndev->mtu = aq_nic_cfg->mtu - ETH_HLEN;
285
286 return 0;
287}
288
289void aq_nic_ndev_free(struct aq_nic_s *self)
290{
291 if (!self->ndev)
292 goto err_exit;
293
294 if (self->is_ndev_registered)
295 unregister_netdev(self->ndev);
296
297 if (self->aq_hw)
298 self->aq_hw_ops.destroy(self->aq_hw);
299
300 free_netdev(self->ndev);
301
302err_exit:;
303}
304
305struct aq_nic_s *aq_nic_alloc_hot(struct net_device *ndev)
306{
307 struct aq_nic_s *self = NULL;
308 int err = 0;
309
310 if (!ndev) {
311 err = -EINVAL;
312 goto err_exit;
313 }
314 self = netdev_priv(ndev);
315
316 if (!self) {
317 err = -EINVAL;
318 goto err_exit;
319 }
320 if (netif_running(ndev)) {
321 unsigned int i;
322
323 for (i = AQ_CFG_VECS_MAX; i--;)
324 netif_stop_subqueue(ndev, i);
325 }
326
327 for (self->aq_vecs = 0; self->aq_vecs < self->aq_nic_cfg.vecs;
328 self->aq_vecs++) {
329 self->aq_vec[self->aq_vecs] =
330 aq_vec_alloc(self, self->aq_vecs, &self->aq_nic_cfg);
331 if (!self->aq_vec[self->aq_vecs]) {
332 err = -ENOMEM;
333 goto err_exit;
334 }
335 }
336
337err_exit:
338 if (err < 0) {
339 aq_nic_free_hot_resources(self);
340 self = NULL;
341 }
342 return self;
343}
344
345void aq_nic_set_tx_ring(struct aq_nic_s *self, unsigned int idx,
346 struct aq_ring_s *ring)
347{
348 self->aq_ring_tx[idx] = ring;
349}
350
351struct device *aq_nic_get_dev(struct aq_nic_s *self)
352{
353 return self->ndev->dev.parent;
354}
355
356struct net_device *aq_nic_get_ndev(struct aq_nic_s *self)
357{
358 return self->ndev;
359}
360
361int aq_nic_init(struct aq_nic_s *self)
362{
363 struct aq_vec_s *aq_vec = NULL;
364 int err = 0;
365 unsigned int i = 0U;
366
367 self->power_state = AQ_HW_POWER_STATE_D0;
368 err = self->aq_hw_ops.hw_reset(self->aq_hw);
369 if (err < 0)
370 goto err_exit;
371
372 err = self->aq_hw_ops.hw_init(self->aq_hw, &self->aq_nic_cfg,
373 aq_nic_get_ndev(self)->dev_addr);
374 if (err < 0)
375 goto err_exit;
376
377 for (i = 0U, aq_vec = self->aq_vec[0];
378 self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i])
379 aq_vec_init(aq_vec, &self->aq_hw_ops, self->aq_hw);
380
381err_exit:
382 return err;
383}
384
385void aq_nic_ndev_queue_start(struct aq_nic_s *self, unsigned int idx)
386{
387 netif_start_subqueue(self->ndev, idx);
388}
389
390void aq_nic_ndev_queue_stop(struct aq_nic_s *self, unsigned int idx)
391{
392 netif_stop_subqueue(self->ndev, idx);
393}
394
395int aq_nic_start(struct aq_nic_s *self)
396{
397 struct aq_vec_s *aq_vec = NULL;
398 int err = 0;
399 unsigned int i = 0U;
400
401 err = self->aq_hw_ops.hw_multicast_list_set(self->aq_hw,
402 self->mc_list.ar,
403 self->mc_list.count);
404 if (err < 0)
405 goto err_exit;
406
407 err = self->aq_hw_ops.hw_packet_filter_set(self->aq_hw,
408 self->packet_filter);
409 if (err < 0)
410 goto err_exit;
411
412 for (i = 0U, aq_vec = self->aq_vec[0];
413 self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i]) {
414 err = aq_vec_start(aq_vec);
415 if (err < 0)
416 goto err_exit;
417 }
418
419 err = self->aq_hw_ops.hw_start(self->aq_hw);
420 if (err < 0)
421 goto err_exit;
422
423 err = self->aq_hw_ops.hw_interrupt_moderation_set(self->aq_hw,
424 self->aq_nic_cfg.is_interrupt_moderation);
425 if (err < 0)
426 goto err_exit;
427 setup_timer(&self->service_timer, &aq_nic_service_timer_cb,
428 (unsigned long)self);
429 mod_timer(&self->service_timer, jiffies +
430 AQ_CFG_SERVICE_TIMER_INTERVAL);
431
432 if (self->aq_nic_cfg.is_polling) {
433 setup_timer(&self->polling_timer, &aq_nic_polling_timer_cb,
434 (unsigned long)self);
435 mod_timer(&self->polling_timer, jiffies +
436 AQ_CFG_POLLING_TIMER_INTERVAL);
437 } else {
438 for (i = 0U, aq_vec = self->aq_vec[0];
439 self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i]) {
440 err = aq_pci_func_alloc_irq(self->aq_pci_func, i,
441 self->ndev->name, aq_vec,
442 aq_vec_get_affinity_mask(aq_vec));
443 if (err < 0)
444 goto err_exit;
445 }
446
447 err = self->aq_hw_ops.hw_irq_enable(self->aq_hw,
448 AQ_CFG_IRQ_MASK);
449 if (err < 0)
450 goto err_exit;
451 }
452
453 for (i = 0U, aq_vec = self->aq_vec[0];
454 self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i])
455 aq_nic_ndev_queue_start(self, i);
456
457 err = netif_set_real_num_tx_queues(self->ndev, self->aq_vecs);
458 if (err < 0)
459 goto err_exit;
460
461 err = netif_set_real_num_rx_queues(self->ndev, self->aq_vecs);
462 if (err < 0)
463 goto err_exit;
464
465err_exit:
466 return err;
467}
468
469static unsigned int aq_nic_map_skb_frag(struct aq_nic_s *self,
470 struct sk_buff *skb,
471 struct aq_ring_buff_s *dx)
472{
473 unsigned int ret = 0U;
474 unsigned int nr_frags = skb_shinfo(skb)->nr_frags;
475 unsigned int frag_count = 0U;
476
477 dx->flags = 0U;
478 dx->len = skb_headlen(skb);
479 dx->pa = dma_map_single(aq_nic_get_dev(self), skb->data, dx->len,
480 DMA_TO_DEVICE);
481 dx->len_pkt = skb->len;
482 dx->is_sop = 1U;
483 dx->is_mapped = 1U;
484
485 ++ret;
486
487 if (skb->ip_summed == CHECKSUM_PARTIAL) {
488 dx->is_ip_cso = (htons(ETH_P_IP) == skb->protocol) ? 1U : 0U;
489 dx->is_tcp_cso =
490 (ip_hdr(skb)->protocol == IPPROTO_TCP) ? 1U : 0U;
491 dx->is_udp_cso =
492 (ip_hdr(skb)->protocol == IPPROTO_UDP) ? 1U : 0U;
493 }
494
495 for (; nr_frags--; ++frag_count) {
496 unsigned int frag_len;
497 dma_addr_t frag_pa;
498 skb_frag_t *frag = &skb_shinfo(skb)->frags[frag_count];
499
500 frag_len = skb_frag_size(frag);
501
502 frag_pa = skb_frag_dma_map(aq_nic_get_dev(self), frag, 0,
503 frag_len, DMA_TO_DEVICE);
504
505 while (frag_len > AQ_CFG_TX_FRAME_MAX) {
506 ++dx;
507 ++ret;
508 dx->flags = 0U;
509 dx->len = AQ_CFG_TX_FRAME_MAX;
510 dx->pa = frag_pa;
511 dx->is_mapped = 1U;
512
513 frag_len -= AQ_CFG_TX_FRAME_MAX;
514 frag_pa += AQ_CFG_TX_FRAME_MAX;
515 }
516
517 ++dx;
518 ++ret;
519
520 dx->flags = 0U;
521 dx->len = frag_len;
522 dx->pa = frag_pa;
523 dx->is_mapped = 1U;
524 }
525
526 dx->is_eop = 1U;
527 dx->skb = skb;
528
529 return ret;
530}
531
532static unsigned int aq_nic_map_skb_lso(struct aq_nic_s *self,
533 struct sk_buff *skb,
534 struct aq_ring_buff_s *dx)
535{
536 dx->flags = 0U;
537 dx->len_pkt = skb->len;
538 dx->len_l2 = ETH_HLEN;
539 dx->len_l3 = ip_hdrlen(skb);
540 dx->len_l4 = tcp_hdrlen(skb);
541 dx->mss = skb_shinfo(skb)->gso_size;
542 dx->is_txc = 1U;
543 return 1U;
544}
545
546static unsigned int aq_nic_map_skb(struct aq_nic_s *self, struct sk_buff *skb,
547 struct aq_ring_buff_s *dx)
548{
549 unsigned int ret = 0U;
550
551 if (unlikely(skb_is_gso(skb))) {
552 ret = aq_nic_map_skb_lso(self, skb, dx);
553 ++dx;
554 }
555
556 ret += aq_nic_map_skb_frag(self, skb, dx);
557
558 return ret;
559}
560
561int aq_nic_xmit(struct aq_nic_s *self, struct sk_buff *skb)
562__releases(&ring->lock)
563__acquires(&ring->lock)
564{
565 struct aq_ring_s *ring = NULL;
566 unsigned int frags = 0U;
567 unsigned int vec = skb->queue_mapping % self->aq_nic_cfg.vecs;
568 unsigned int tc = 0U;
569 unsigned int trys = AQ_CFG_LOCK_TRYS;
570 int err = 0;
571 bool is_nic_in_bad_state;
97bde5c4
DV		 572 struct aq_ring_buff_s buffers[AQ_CFG_SKB_FRAGS_MAX];
573
574 frags = skb_shinfo(skb)->nr_frags + 1;
575
576 ring = self->aq_ring_tx[AQ_NIC_TCVEC2RING(self, tc, vec)];
577
97bde5c4
DV		 578 if (frags > AQ_CFG_SKB_FRAGS_MAX) {
579 dev_kfree_skb_any(skb);
580 goto err_exit;
581 }
582
583 is_nic_in_bad_state = aq_utils_obj_test(&self->header.flags,
584 AQ_NIC_FLAGS_IS_NOT_TX_READY) ||
585 (aq_ring_avail_dx(ring) <
586 AQ_CFG_SKB_FRAGS_MAX);
587
588 if (is_nic_in_bad_state) {
589 aq_nic_ndev_queue_stop(self, ring->idx);
590 err = NETDEV_TX_BUSY;
591 goto err_exit;
592 }
593
594 do {
595 if (spin_trylock(&ring->header.lock)) {
596 frags = aq_nic_map_skb(self, skb, &buffers[0]);
597
598 aq_ring_tx_append_buffs(ring, &buffers[0], frags);
599
600 err = self->aq_hw_ops.hw_ring_tx_xmit(self->aq_hw,
601 ring, frags);
602 if (err >= 0) {
603 if (aq_ring_avail_dx(ring) <
604 AQ_CFG_SKB_FRAGS_MAX + 1)
605 aq_nic_ndev_queue_stop(self, ring->idx);
606 }
607 spin_unlock(&ring->header.lock);
608
609 if (err >= 0) {
610 ++ring->stats.tx.packets;
611 ring->stats.tx.bytes += skb->len;
612 }
613 break;
614 }
615 } while (--trys);
616
617 if (!trys) {
618 err = NETDEV_TX_BUSY;
619 goto err_exit;
620 }
621
622err_exit:
97bde5c4
DV		 623 return err;
624}
625
626int aq_nic_set_packet_filter(struct aq_nic_s *self, unsigned int flags)
627{
628 int err = 0;
629
630 err = self->aq_hw_ops.hw_packet_filter_set(self->aq_hw, flags);
631 if (err < 0)
632 goto err_exit;
633
634 self->packet_filter = flags;
635
636err_exit:
637 return err;
638}
639
640int aq_nic_set_multicast_list(struct aq_nic_s *self, struct net_device *ndev)
641{
642 struct netdev_hw_addr *ha = NULL;
643 unsigned int i = 0U;
644
645 self->mc_list.count = 0U;
646
647 netdev_for_each_mc_addr(ha, ndev) {
648 ether_addr_copy(self->mc_list.ar[i++], ha->addr);
649 ++self->mc_list.count;
650 }
651
652 return self->aq_hw_ops.hw_multicast_list_set(self->aq_hw,
653 self->mc_list.ar,
654 self->mc_list.count);
655}
656
657int aq_nic_set_mtu(struct aq_nic_s *self, int new_mtu)
658{
659 int err = 0;
660
661 if (new_mtu > self->aq_hw_caps.mtu) {
662 err = -EINVAL;
663 goto err_exit;
664 }
665 self->aq_nic_cfg.mtu = new_mtu;
666
667err_exit:
668 return err;
669}
670
671int aq_nic_set_mac(struct aq_nic_s *self, struct net_device *ndev)
672{
673 return self->aq_hw_ops.hw_set_mac_address(self->aq_hw, ndev->dev_addr);
674}
675
676unsigned int aq_nic_get_link_speed(struct aq_nic_s *self)
677{
678 return self->link_status.mbps;
679}
680
681int aq_nic_get_regs(struct aq_nic_s *self, struct ethtool_regs *regs, void *p)
682{
683 u32 *regs_buff = p;
684 int err = 0;
685
686 regs->version = 1;
687
688 err = self->aq_hw_ops.hw_get_regs(self->aq_hw,
689 &self->aq_hw_caps, regs_buff);
690 if (err < 0)
691 goto err_exit;
692
693err_exit:
694 return err;
695}
696
697int aq_nic_get_regs_count(struct aq_nic_s *self)
698{
699 return self->aq_hw_caps.mac_regs_count;
700}
701
702void aq_nic_get_stats(struct aq_nic_s *self, u64 *data)
703{
704 struct aq_vec_s *aq_vec = NULL;
705 unsigned int i = 0U;
706 unsigned int count = 0U;
707 int err = 0;
708
709 err = self->aq_hw_ops.hw_get_hw_stats(self->aq_hw, data, &count);
710 if (err < 0)
711 goto err_exit;
712
713 data += count;
714 count = 0U;
715
716 for (i = 0U, aq_vec = self->aq_vec[0];
717 self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i]) {
718 data += count;
719 aq_vec_get_sw_stats(aq_vec, data, &count);
720 }
721
722err_exit:;
723 (void)err;
724}
725
f8244ab5
PR		 726void aq_nic_get_link_ksettings(struct aq_nic_s *self,
727 struct ethtool_link_ksettings *cmd)
97bde5c4 728{
f8244ab5 729 cmd->base.port = PORT_TP;
97bde5c4 730 /* This driver supports only 10G capable adapters, so DUPLEX_FULL */
f8244ab5
PR		 731 cmd->base.duplex = DUPLEX_FULL;
732 cmd->base.autoneg = self->aq_nic_cfg.is_autoneg;
733
8f9000a5
PB		 734 ethtool_link_ksettings_zero_link_mode(cmd, supported);
735
736 if (self->aq_hw_caps.link_speed_msk & AQ_NIC_RATE_10G)
737 ethtool_link_ksettings_add_link_mode(cmd, supported,
738 10000baseT_Full);
739
740 if (self->aq_hw_caps.link_speed_msk & AQ_NIC_RATE_5G)
741 ethtool_link_ksettings_add_link_mode(cmd, supported,
742 5000baseT_Full);
743
744 if (self->aq_hw_caps.link_speed_msk & AQ_NIC_RATE_2GS)
745 ethtool_link_ksettings_add_link_mode(cmd, supported,
746 2500baseT_Full);
747
748 if (self->aq_hw_caps.link_speed_msk & AQ_NIC_RATE_1G)
749 ethtool_link_ksettings_add_link_mode(cmd, supported,
750 1000baseT_Full);
751
752 if (self->aq_hw_caps.link_speed_msk & AQ_NIC_RATE_100M)
753 ethtool_link_ksettings_add_link_mode(cmd, supported,
754 100baseT_Full);
755
756 if (self->aq_hw_caps.flow_control)
757 ethtool_link_ksettings_add_link_mode(cmd, supported,
758 Pause);
759
760 ethtool_link_ksettings_add_link_mode(cmd, supported, Autoneg);
761 ethtool_link_ksettings_add_link_mode(cmd, supported, TP);
762
763 ethtool_link_ksettings_zero_link_mode(cmd, advertising);
764
765 if (self->aq_nic_cfg.is_autoneg)
766 ethtool_link_ksettings_add_link_mode(cmd, advertising, Autoneg);
767
768 if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_10G)
769 ethtool_link_ksettings_add_link_mode(cmd, advertising,
770 10000baseT_Full);
771
772 if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_5G)
773 ethtool_link_ksettings_add_link_mode(cmd, advertising,
774 5000baseT_Full);
775
776 if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_2GS)
777 ethtool_link_ksettings_add_link_mode(cmd, advertising,
778 2500baseT_Full);
779
780 if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_1G)
781 ethtool_link_ksettings_add_link_mode(cmd, advertising,
782 1000baseT_Full);
783
784 if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_100M)
785 ethtool_link_ksettings_add_link_mode(cmd, advertising,
786 100baseT_Full);
787
788 if (self->aq_nic_cfg.flow_control)
789 ethtool_link_ksettings_add_link_mode(cmd, advertising,
790 Pause);
791
792 ethtool_link_ksettings_add_link_mode(cmd, advertising, TP);
97bde5c4
DV		 793}
794
f8244ab5
PR		 795int aq_nic_set_link_ksettings(struct aq_nic_s *self,
796 const struct ethtool_link_ksettings *cmd)
97bde5c4
DV		 797{
798 u32 speed = 0U;
799 u32 rate = 0U;
800 int err = 0;
801
f8244ab5 802 if (cmd->base.autoneg == AUTONEG_ENABLE) {
97bde5c4
DV		 803 rate = self->aq_hw_caps.link_speed_msk;
804 self->aq_nic_cfg.is_autoneg = true;
805 } else {
f8244ab5 806 speed = cmd->base.speed;
97bde5c4
DV		 807
808 switch (speed) {
809 case SPEED_100:
810 rate = AQ_NIC_RATE_100M;
811 break;
812
813 case SPEED_1000:
814 rate = AQ_NIC_RATE_1G;
815 break;
816
817 case SPEED_2500:
818 rate = AQ_NIC_RATE_2GS;
819 break;
820
821 case SPEED_5000:
822 rate = AQ_NIC_RATE_5G;
823 break;
824
825 case SPEED_10000:
826 rate = AQ_NIC_RATE_10G;
827 break;
828
829 default:
830 err = -1;
831 goto err_exit;
832 break;
833 }
834 if (!(self->aq_hw_caps.link_speed_msk & rate)) {
835 err = -1;
836 goto err_exit;
837 }
838
839 self->aq_nic_cfg.is_autoneg = false;
840 }
841
842 err = self->aq_hw_ops.hw_set_link_speed(self->aq_hw, rate);
843 if (err < 0)
844 goto err_exit;
845
846 self->aq_nic_cfg.link_speed_msk = rate;
847
848err_exit:
849 return err;
850}
851
852struct aq_nic_cfg_s *aq_nic_get_cfg(struct aq_nic_s *self)
853{
854 return &self->aq_nic_cfg;
855}
856
857u32 aq_nic_get_fw_version(struct aq_nic_s *self)
858{
859 u32 fw_version = 0U;
860
861 self->aq_hw_ops.hw_get_fw_version(self->aq_hw, &fw_version);
862
863 return fw_version;
864}
865
866int aq_nic_stop(struct aq_nic_s *self)
867{
868 struct aq_vec_s *aq_vec = NULL;
869 unsigned int i = 0U;
870
871 for (i = 0U, aq_vec = self->aq_vec[0];
872 self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i])
873 aq_nic_ndev_queue_stop(self, i);
874
875 del_timer_sync(&self->service_timer);
876
877 self->aq_hw_ops.hw_irq_disable(self->aq_hw, AQ_CFG_IRQ_MASK);
878
879 if (self->aq_nic_cfg.is_polling)
880 del_timer_sync(&self->polling_timer);
881 else
882 aq_pci_func_free_irqs(self->aq_pci_func);
883
884 for (i = 0U, aq_vec = self->aq_vec[0];
885 self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i])
886 aq_vec_stop(aq_vec);
887
888 return self->aq_hw_ops.hw_stop(self->aq_hw);
889}
890
891void aq_nic_deinit(struct aq_nic_s *self)
892{
893 struct aq_vec_s *aq_vec = NULL;
894 unsigned int i = 0U;
895
896 if (!self)
897 goto err_exit;
898
899 for (i = 0U, aq_vec = self->aq_vec[0];
900 self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i])
901 aq_vec_deinit(aq_vec);
902
903 if (self->power_state == AQ_HW_POWER_STATE_D0) {
904 (void)self->aq_hw_ops.hw_deinit(self->aq_hw);
905 } else {
906 (void)self->aq_hw_ops.hw_set_power(self->aq_hw,
907 self->power_state);
908 }
909
910err_exit:;
911}
912
913void aq_nic_free_hot_resources(struct aq_nic_s *self)
914{
915 unsigned int i = 0U;
916
917 if (!self)
918 goto err_exit;
919
920 for (i = AQ_DIMOF(self->aq_vec); i--;) {
921 if (self->aq_vec[i])
922 aq_vec_free(self->aq_vec[i]);
923 }
924
925err_exit:;
926}
927
928int aq_nic_change_pm_state(struct aq_nic_s *self, pm_message_t *pm_msg)
929{
930 int err = 0;
931
932 if (!netif_running(self->ndev)) {
933 err = 0;
934 goto err_exit;
935 }
936 rtnl_lock();
937 if (pm_msg->event & PM_EVENT_SLEEP || pm_msg->event & PM_EVENT_FREEZE) {
938 self->power_state = AQ_HW_POWER_STATE_D3;
939 netif_device_detach(self->ndev);
940 netif_tx_stop_all_queues(self->ndev);
941
942 err = aq_nic_stop(self);
943 if (err < 0)
944 goto err_exit;
945
946 aq_nic_deinit(self);
947 } else {
948 err = aq_nic_init(self);
949 if (err < 0)
950 goto err_exit;
951
952 err = aq_nic_start(self);
953 if (err < 0)
954 goto err_exit;
955
956 netif_device_attach(self->ndev);
957 netif_tx_start_all_queues(self->ndev);
958 }
959 rtnl_unlock();
960
961err_exit:
962 return err;
963}
Ubuntu Eoan Linux kernel mirror