blob: 31f8e420c8306878e6ab40a7623c96cd1b43ad9a [file] [log] [blame]
Yuval Mintzfe56b9e2015-10-26 11:02:25 +02001/* QLogic qed NIC Driver
2 * Copyright (c) 2015 QLogic Corporation
3 *
4 * This software is available under the terms of the GNU General Public License
5 * (GPL) Version 2, available from the file COPYING in the main directory of
6 * this source tree.
7 */
8
9#include <linux/stddef.h>
10#include <linux/pci.h>
11#include <linux/kernel.h>
12#include <linux/slab.h>
13#include <linux/version.h>
14#include <linux/delay.h>
15#include <asm/byteorder.h>
16#include <linux/dma-mapping.h>
17#include <linux/string.h>
18#include <linux/module.h>
19#include <linux/interrupt.h>
20#include <linux/workqueue.h>
21#include <linux/ethtool.h>
22#include <linux/etherdevice.h>
23#include <linux/vmalloc.h>
24#include <linux/qed/qed_if.h>
Yuval Mintz0a7fb112016-10-01 21:59:55 +030025#include <linux/qed/qed_ll2_if.h>
Yuval Mintzfe56b9e2015-10-26 11:02:25 +020026
27#include "qed.h"
Yuval Mintz37bff2b2016-05-11 16:36:13 +030028#include "qed_sriov.h"
Yuval Mintzfe56b9e2015-10-26 11:02:25 +020029#include "qed_sp.h"
30#include "qed_dev_api.h"
Yuval Mintz0a7fb112016-10-01 21:59:55 +030031#include "qed_ll2.h"
Yuval Mintzfe56b9e2015-10-26 11:02:25 +020032#include "qed_mcp.h"
33#include "qed_hw.h"
Sudarsana Reddy Kalluru03dc76c2016-04-28 20:20:52 -040034#include "qed_selftest.h"
Yuval Mintzfe56b9e2015-10-26 11:02:25 +020035
Ram Amrani51ff1722016-10-01 21:59:57 +030036#define QED_ROCE_QPS (8192)
37#define QED_ROCE_DPIS (8)
Ram Amrani51ff1722016-10-01 21:59:57 +030038
Yuval Mintz5abd7e922016-02-24 16:52:50 +020039static char version[] =
40 "QLogic FastLinQ 4xxxx Core Module qed " DRV_MODULE_VERSION "\n";
Yuval Mintzfe56b9e2015-10-26 11:02:25 +020041
Yuval Mintz5abd7e922016-02-24 16:52:50 +020042MODULE_DESCRIPTION("QLogic FastLinQ 4xxxx Core Module");
Yuval Mintzfe56b9e2015-10-26 11:02:25 +020043MODULE_LICENSE("GPL");
44MODULE_VERSION(DRV_MODULE_VERSION);
45
46#define FW_FILE_VERSION \
47 __stringify(FW_MAJOR_VERSION) "." \
48 __stringify(FW_MINOR_VERSION) "." \
49 __stringify(FW_REVISION_VERSION) "." \
50 __stringify(FW_ENGINEERING_VERSION)
51
52#define QED_FW_FILE_NAME \
53 "qed/qed_init_values_zipped-" FW_FILE_VERSION ".bin"
54
Yuval Mintzd43d3f02016-02-24 16:52:48 +020055MODULE_FIRMWARE(QED_FW_FILE_NAME);
56
Yuval Mintzfe56b9e2015-10-26 11:02:25 +020057static int __init qed_init(void)
58{
Yuval Mintzfe56b9e2015-10-26 11:02:25 +020059 pr_info("%s", version);
60
61 return 0;
62}
63
64static void __exit qed_cleanup(void)
65{
66 pr_notice("qed_cleanup called\n");
67}
68
69module_init(qed_init);
70module_exit(qed_cleanup);
71
72/* Check if the DMA controller on the machine can properly handle the DMA
73 * addressing required by the device.
74*/
75static int qed_set_coherency_mask(struct qed_dev *cdev)
76{
77 struct device *dev = &cdev->pdev->dev;
78
79 if (dma_set_mask(dev, DMA_BIT_MASK(64)) == 0) {
80 if (dma_set_coherent_mask(dev, DMA_BIT_MASK(64)) != 0) {
81 DP_NOTICE(cdev,
82 "Can't request 64-bit consistent allocations\n");
83 return -EIO;
84 }
85 } else if (dma_set_mask(dev, DMA_BIT_MASK(32)) != 0) {
86 DP_NOTICE(cdev, "Can't request 64b/32b DMA addresses\n");
87 return -EIO;
88 }
89
90 return 0;
91}
92
93static void qed_free_pci(struct qed_dev *cdev)
94{
95 struct pci_dev *pdev = cdev->pdev;
96
97 if (cdev->doorbells)
98 iounmap(cdev->doorbells);
99 if (cdev->regview)
100 iounmap(cdev->regview);
101 if (atomic_read(&pdev->enable_cnt) == 1)
102 pci_release_regions(pdev);
103
104 pci_disable_device(pdev);
105}
106
Yuval Mintz0dfaba62016-02-24 16:52:49 +0200107#define PCI_REVISION_ID_ERROR_VAL 0xff
108
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200109/* Performs PCI initializations as well as initializing PCI-related parameters
110 * in the device structrue. Returns 0 in case of success.
111 */
Yuval Mintz1a635e42016-08-15 10:42:43 +0300112static int qed_init_pci(struct qed_dev *cdev, struct pci_dev *pdev)
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200113{
Yuval Mintz0dfaba62016-02-24 16:52:49 +0200114 u8 rev_id;
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200115 int rc;
116
117 cdev->pdev = pdev;
118
119 rc = pci_enable_device(pdev);
120 if (rc) {
121 DP_NOTICE(cdev, "Cannot enable PCI device\n");
122 goto err0;
123 }
124
125 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
126 DP_NOTICE(cdev, "No memory region found in bar #0\n");
127 rc = -EIO;
128 goto err1;
129 }
130
Yuval Mintz1408cc1f2016-05-11 16:36:14 +0300131 if (IS_PF(cdev) && !(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200132 DP_NOTICE(cdev, "No memory region found in bar #2\n");
133 rc = -EIO;
134 goto err1;
135 }
136
137 if (atomic_read(&pdev->enable_cnt) == 1) {
138 rc = pci_request_regions(pdev, "qed");
139 if (rc) {
140 DP_NOTICE(cdev,
141 "Failed to request PCI memory resources\n");
142 goto err1;
143 }
144 pci_set_master(pdev);
145 pci_save_state(pdev);
146 }
147
Yuval Mintz0dfaba62016-02-24 16:52:49 +0200148 pci_read_config_byte(pdev, PCI_REVISION_ID, &rev_id);
149 if (rev_id == PCI_REVISION_ID_ERROR_VAL) {
150 DP_NOTICE(cdev,
151 "Detected PCI device error [rev_id 0x%x]. Probably due to prior indication. Aborting.\n",
152 rev_id);
153 rc = -ENODEV;
154 goto err2;
155 }
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200156 if (!pci_is_pcie(pdev)) {
157 DP_NOTICE(cdev, "The bus is not PCI Express\n");
158 rc = -EIO;
159 goto err2;
160 }
161
162 cdev->pci_params.pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
Yuval Mintz416cdf02016-05-15 14:48:09 +0300163 if (IS_PF(cdev) && !cdev->pci_params.pm_cap)
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200164 DP_NOTICE(cdev, "Cannot find power management capability\n");
165
166 rc = qed_set_coherency_mask(cdev);
167 if (rc)
168 goto err2;
169
170 cdev->pci_params.mem_start = pci_resource_start(pdev, 0);
171 cdev->pci_params.mem_end = pci_resource_end(pdev, 0);
172 cdev->pci_params.irq = pdev->irq;
173
174 cdev->regview = pci_ioremap_bar(pdev, 0);
175 if (!cdev->regview) {
176 DP_NOTICE(cdev, "Cannot map register space, aborting\n");
177 rc = -ENOMEM;
178 goto err2;
179 }
180
Yuval Mintz1408cc1f2016-05-11 16:36:14 +0300181 if (IS_PF(cdev)) {
Dan Carpenterf82731b2016-05-17 11:09:20 +0300182 cdev->db_phys_addr = pci_resource_start(cdev->pdev, 2);
Yuval Mintz1408cc1f2016-05-11 16:36:14 +0300183 cdev->db_size = pci_resource_len(cdev->pdev, 2);
184 cdev->doorbells = ioremap_wc(cdev->db_phys_addr, cdev->db_size);
185 if (!cdev->doorbells) {
186 DP_NOTICE(cdev, "Cannot map doorbell space\n");
187 return -ENOMEM;
188 }
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200189 }
190
191 return 0;
192
193err2:
194 pci_release_regions(pdev);
195err1:
196 pci_disable_device(pdev);
197err0:
198 return rc;
199}
200
201int qed_fill_dev_info(struct qed_dev *cdev,
202 struct qed_dev_info *dev_info)
203{
Manish Chopracee4d262015-10-26 11:02:28 +0200204 struct qed_ptt *ptt;
205
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200206 memset(dev_info, 0, sizeof(struct qed_dev_info));
207
208 dev_info->num_hwfns = cdev->num_hwfns;
209 dev_info->pci_mem_start = cdev->pci_params.mem_start;
210 dev_info->pci_mem_end = cdev->pci_params.mem_end;
211 dev_info->pci_irq = cdev->pci_params.irq;
Ram Amrani51ff1722016-10-01 21:59:57 +0300212 dev_info->rdma_supported = (cdev->hwfns[0].hw_info.personality ==
213 QED_PCI_ETH_ROCE);
Yuval Mintzfc48b7a2016-02-15 13:22:35 -0500214 dev_info->is_mf_default = IS_MF_DEFAULT(&cdev->hwfns[0]);
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200215 ether_addr_copy(dev_info->hw_mac, cdev->hwfns[0].hw_info.hw_mac_addr);
216
Yuval Mintz1408cc1f2016-05-11 16:36:14 +0300217 if (IS_PF(cdev)) {
218 dev_info->fw_major = FW_MAJOR_VERSION;
219 dev_info->fw_minor = FW_MINOR_VERSION;
220 dev_info->fw_rev = FW_REVISION_VERSION;
221 dev_info->fw_eng = FW_ENGINEERING_VERSION;
222 dev_info->mf_mode = cdev->mf_mode;
Yuval Mintz831bfb0e2016-05-11 16:36:25 +0300223 dev_info->tx_switching = true;
Yuval Mintz1408cc1f2016-05-11 16:36:14 +0300224 } else {
225 qed_vf_get_fw_version(&cdev->hwfns[0], &dev_info->fw_major,
226 &dev_info->fw_minor, &dev_info->fw_rev,
227 &dev_info->fw_eng);
228 }
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200229
Yuval Mintz1408cc1f2016-05-11 16:36:14 +0300230 if (IS_PF(cdev)) {
231 ptt = qed_ptt_acquire(QED_LEADING_HWFN(cdev));
232 if (ptt) {
233 qed_mcp_get_mfw_ver(QED_LEADING_HWFN(cdev), ptt,
234 &dev_info->mfw_rev, NULL);
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200235
Yuval Mintz1408cc1f2016-05-11 16:36:14 +0300236 qed_mcp_get_flash_size(QED_LEADING_HWFN(cdev), ptt,
237 &dev_info->flash_size);
Manish Chopracee4d262015-10-26 11:02:28 +0200238
Yuval Mintz1408cc1f2016-05-11 16:36:14 +0300239 qed_ptt_release(QED_LEADING_HWFN(cdev), ptt);
240 }
241 } else {
242 qed_mcp_get_mfw_ver(QED_LEADING_HWFN(cdev), NULL,
243 &dev_info->mfw_rev, NULL);
Manish Chopracee4d262015-10-26 11:02:28 +0200244 }
245
Sudarsana Kalluru0fefbfb2016-10-31 07:14:21 +0200246 dev_info->mtu = QED_LEADING_HWFN(cdev)->hw_info.mtu;
247
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200248 return 0;
249}
250
251static void qed_free_cdev(struct qed_dev *cdev)
252{
253 kfree((void *)cdev);
254}
255
256static struct qed_dev *qed_alloc_cdev(struct pci_dev *pdev)
257{
258 struct qed_dev *cdev;
259
260 cdev = kzalloc(sizeof(*cdev), GFP_KERNEL);
261 if (!cdev)
262 return cdev;
263
264 qed_init_struct(cdev);
265
266 return cdev;
267}
268
269/* Sets the requested power state */
Yuval Mintz1a635e42016-08-15 10:42:43 +0300270static int qed_set_power_state(struct qed_dev *cdev, pci_power_t state)
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200271{
272 if (!cdev)
273 return -ENODEV;
274
275 DP_VERBOSE(cdev, NETIF_MSG_DRV, "Omitting Power state change\n");
276 return 0;
277}
278
279/* probing */
280static struct qed_dev *qed_probe(struct pci_dev *pdev,
Yuval Mintz1408cc1f2016-05-11 16:36:14 +0300281 struct qed_probe_params *params)
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200282{
283 struct qed_dev *cdev;
284 int rc;
285
286 cdev = qed_alloc_cdev(pdev);
287 if (!cdev)
288 goto err0;
289
Yuval Mintz1408cc1f2016-05-11 16:36:14 +0300290 cdev->protocol = params->protocol;
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200291
Yuval Mintz1408cc1f2016-05-11 16:36:14 +0300292 if (params->is_vf)
293 cdev->b_is_vf = true;
294
295 qed_init_dp(cdev, params->dp_module, params->dp_level);
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200296
297 rc = qed_init_pci(cdev, pdev);
298 if (rc) {
299 DP_ERR(cdev, "init pci failed\n");
300 goto err1;
301 }
302 DP_INFO(cdev, "PCI init completed successfully\n");
303
304 rc = qed_hw_prepare(cdev, QED_PCI_DEFAULT);
305 if (rc) {
306 DP_ERR(cdev, "hw prepare failed\n");
307 goto err2;
308 }
309
310 DP_INFO(cdev, "qed_probe completed successffuly\n");
311
312 return cdev;
313
314err2:
315 qed_free_pci(cdev);
316err1:
317 qed_free_cdev(cdev);
318err0:
319 return NULL;
320}
321
322static void qed_remove(struct qed_dev *cdev)
323{
324 if (!cdev)
325 return;
326
327 qed_hw_remove(cdev);
328
329 qed_free_pci(cdev);
330
331 qed_set_power_state(cdev, PCI_D3hot);
332
333 qed_free_cdev(cdev);
334}
335
336static void qed_disable_msix(struct qed_dev *cdev)
337{
338 if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
339 pci_disable_msix(cdev->pdev);
340 kfree(cdev->int_params.msix_table);
341 } else if (cdev->int_params.out.int_mode == QED_INT_MODE_MSI) {
342 pci_disable_msi(cdev->pdev);
343 }
344
345 memset(&cdev->int_params.out, 0, sizeof(struct qed_int_param));
346}
347
348static int qed_enable_msix(struct qed_dev *cdev,
349 struct qed_int_params *int_params)
350{
351 int i, rc, cnt;
352
353 cnt = int_params->in.num_vectors;
354
355 for (i = 0; i < cnt; i++)
356 int_params->msix_table[i].entry = i;
357
358 rc = pci_enable_msix_range(cdev->pdev, int_params->msix_table,
359 int_params->in.min_msix_cnt, cnt);
360 if (rc < cnt && rc >= int_params->in.min_msix_cnt &&
361 (rc % cdev->num_hwfns)) {
362 pci_disable_msix(cdev->pdev);
363
364 /* If fastpath is initialized, we need at least one interrupt
365 * per hwfn [and the slow path interrupts]. New requested number
366 * should be a multiple of the number of hwfns.
367 */
368 cnt = (rc / cdev->num_hwfns) * cdev->num_hwfns;
369 DP_NOTICE(cdev,
370 "Trying to enable MSI-X with less vectors (%d out of %d)\n",
371 cnt, int_params->in.num_vectors);
Yuval Mintz1a635e42016-08-15 10:42:43 +0300372 rc = pci_enable_msix_exact(cdev->pdev, int_params->msix_table,
373 cnt);
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200374 if (!rc)
375 rc = cnt;
376 }
377
378 if (rc > 0) {
379 /* MSI-x configuration was achieved */
380 int_params->out.int_mode = QED_INT_MODE_MSIX;
381 int_params->out.num_vectors = rc;
382 rc = 0;
383 } else {
384 DP_NOTICE(cdev,
385 "Failed to enable MSI-X [Requested %d vectors][rc %d]\n",
386 cnt, rc);
387 }
388
389 return rc;
390}
391
392/* This function outputs the int mode and the number of enabled msix vector */
393static int qed_set_int_mode(struct qed_dev *cdev, bool force_mode)
394{
395 struct qed_int_params *int_params = &cdev->int_params;
396 struct msix_entry *tbl;
397 int rc = 0, cnt;
398
399 switch (int_params->in.int_mode) {
400 case QED_INT_MODE_MSIX:
401 /* Allocate MSIX table */
402 cnt = int_params->in.num_vectors;
403 int_params->msix_table = kcalloc(cnt, sizeof(*tbl), GFP_KERNEL);
404 if (!int_params->msix_table) {
405 rc = -ENOMEM;
406 goto out;
407 }
408
409 /* Enable MSIX */
410 rc = qed_enable_msix(cdev, int_params);
411 if (!rc)
412 goto out;
413
414 DP_NOTICE(cdev, "Failed to enable MSI-X\n");
415 kfree(int_params->msix_table);
416 if (force_mode)
417 goto out;
418 /* Fallthrough */
419
420 case QED_INT_MODE_MSI:
Sudarsana Reddy Kallurubb13ace2016-05-26 11:01:23 +0300421 if (cdev->num_hwfns == 1) {
422 rc = pci_enable_msi(cdev->pdev);
423 if (!rc) {
424 int_params->out.int_mode = QED_INT_MODE_MSI;
425 goto out;
426 }
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200427
Sudarsana Reddy Kallurubb13ace2016-05-26 11:01:23 +0300428 DP_NOTICE(cdev, "Failed to enable MSI\n");
429 if (force_mode)
430 goto out;
431 }
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200432 /* Fallthrough */
433
434 case QED_INT_MODE_INTA:
435 int_params->out.int_mode = QED_INT_MODE_INTA;
436 rc = 0;
437 goto out;
438 default:
439 DP_NOTICE(cdev, "Unknown int_mode value %d\n",
440 int_params->in.int_mode);
441 rc = -EINVAL;
442 }
443
444out:
Yuval Mintz525ef5c2016-08-15 10:42:45 +0300445 if (!rc)
446 DP_INFO(cdev, "Using %s interrupts\n",
447 int_params->out.int_mode == QED_INT_MODE_INTA ?
448 "INTa" : int_params->out.int_mode == QED_INT_MODE_MSI ?
449 "MSI" : "MSIX");
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200450 cdev->int_coalescing_mode = QED_COAL_MODE_ENABLE;
451
452 return rc;
453}
454
455static void qed_simd_handler_config(struct qed_dev *cdev, void *token,
456 int index, void(*handler)(void *))
457{
458 struct qed_hwfn *hwfn = &cdev->hwfns[index % cdev->num_hwfns];
459 int relative_idx = index / cdev->num_hwfns;
460
461 hwfn->simd_proto_handler[relative_idx].func = handler;
462 hwfn->simd_proto_handler[relative_idx].token = token;
463}
464
465static void qed_simd_handler_clean(struct qed_dev *cdev, int index)
466{
467 struct qed_hwfn *hwfn = &cdev->hwfns[index % cdev->num_hwfns];
468 int relative_idx = index / cdev->num_hwfns;
469
470 memset(&hwfn->simd_proto_handler[relative_idx], 0,
471 sizeof(struct qed_simd_fp_handler));
472}
473
474static irqreturn_t qed_msix_sp_int(int irq, void *tasklet)
475{
476 tasklet_schedule((struct tasklet_struct *)tasklet);
477 return IRQ_HANDLED;
478}
479
480static irqreturn_t qed_single_int(int irq, void *dev_instance)
481{
482 struct qed_dev *cdev = (struct qed_dev *)dev_instance;
483 struct qed_hwfn *hwfn;
484 irqreturn_t rc = IRQ_NONE;
485 u64 status;
486 int i, j;
487
488 for (i = 0; i < cdev->num_hwfns; i++) {
489 status = qed_int_igu_read_sisr_reg(&cdev->hwfns[i]);
490
491 if (!status)
492 continue;
493
494 hwfn = &cdev->hwfns[i];
495
496 /* Slowpath interrupt */
497 if (unlikely(status & 0x1)) {
498 tasklet_schedule(hwfn->sp_dpc);
499 status &= ~0x1;
500 rc = IRQ_HANDLED;
501 }
502
503 /* Fastpath interrupts */
504 for (j = 0; j < 64; j++) {
505 if ((0x2ULL << j) & status) {
506 hwfn->simd_proto_handler[j].func(
507 hwfn->simd_proto_handler[j].token);
508 status &= ~(0x2ULL << j);
509 rc = IRQ_HANDLED;
510 }
511 }
512
513 if (unlikely(status))
514 DP_VERBOSE(hwfn, NETIF_MSG_INTR,
515 "got an unknown interrupt status 0x%llx\n",
516 status);
517 }
518
519 return rc;
520}
521
Sudarsana Kalluru8f16bc92015-12-07 06:25:59 -0500522int qed_slowpath_irq_req(struct qed_hwfn *hwfn)
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200523{
Sudarsana Kalluru8f16bc92015-12-07 06:25:59 -0500524 struct qed_dev *cdev = hwfn->cdev;
Yuval Mintz525ef5c2016-08-15 10:42:45 +0300525 u32 int_mode;
Sudarsana Kalluru8f16bc92015-12-07 06:25:59 -0500526 int rc = 0;
527 u8 id;
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200528
Yuval Mintz525ef5c2016-08-15 10:42:45 +0300529 int_mode = cdev->int_params.out.int_mode;
530 if (int_mode == QED_INT_MODE_MSIX) {
Sudarsana Kalluru8f16bc92015-12-07 06:25:59 -0500531 id = hwfn->my_id;
532 snprintf(hwfn->name, NAME_SIZE, "sp-%d-%02x:%02x.%02x",
533 id, cdev->pdev->bus->number,
534 PCI_SLOT(cdev->pdev->devfn), hwfn->abs_pf_id);
535 rc = request_irq(cdev->int_params.msix_table[id].vector,
536 qed_msix_sp_int, 0, hwfn->name, hwfn->sp_dpc);
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200537 } else {
538 unsigned long flags = 0;
539
540 snprintf(cdev->name, NAME_SIZE, "%02x:%02x.%02x",
541 cdev->pdev->bus->number, PCI_SLOT(cdev->pdev->devfn),
542 PCI_FUNC(cdev->pdev->devfn));
543
544 if (cdev->int_params.out.int_mode == QED_INT_MODE_INTA)
545 flags |= IRQF_SHARED;
546
547 rc = request_irq(cdev->pdev->irq, qed_single_int,
548 flags, cdev->name, cdev);
549 }
550
Yuval Mintz525ef5c2016-08-15 10:42:45 +0300551 if (rc)
552 DP_NOTICE(cdev, "request_irq failed, rc = %d\n", rc);
553 else
554 DP_VERBOSE(hwfn, (NETIF_MSG_INTR | QED_MSG_SP),
555 "Requested slowpath %s\n",
556 (int_mode == QED_INT_MODE_MSIX) ? "MSI-X" : "IRQ");
557
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200558 return rc;
559}
560
561static void qed_slowpath_irq_free(struct qed_dev *cdev)
562{
563 int i;
564
565 if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
566 for_each_hwfn(cdev, i) {
Sudarsana Kalluru8f16bc92015-12-07 06:25:59 -0500567 if (!cdev->hwfns[i].b_int_requested)
568 break;
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200569 synchronize_irq(cdev->int_params.msix_table[i].vector);
570 free_irq(cdev->int_params.msix_table[i].vector,
571 cdev->hwfns[i].sp_dpc);
572 }
573 } else {
Sudarsana Kalluru8f16bc92015-12-07 06:25:59 -0500574 if (QED_LEADING_HWFN(cdev)->b_int_requested)
575 free_irq(cdev->pdev->irq, cdev);
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200576 }
Sudarsana Kalluru8f16bc92015-12-07 06:25:59 -0500577 qed_int_disable_post_isr_release(cdev);
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200578}
579
580static int qed_nic_stop(struct qed_dev *cdev)
581{
582 int i, rc;
583
584 rc = qed_hw_stop(cdev);
585
586 for (i = 0; i < cdev->num_hwfns; i++) {
587 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
588
589 if (p_hwfn->b_sp_dpc_enabled) {
590 tasklet_disable(p_hwfn->sp_dpc);
591 p_hwfn->b_sp_dpc_enabled = false;
592 DP_VERBOSE(cdev, NETIF_MSG_IFDOWN,
593 "Disabled sp taskelt [hwfn %d] at %p\n",
594 i, p_hwfn->sp_dpc);
595 }
596 }
597
Tomer Tayarc965db42016-09-07 16:36:24 +0300598 qed_dbg_pf_exit(cdev);
599
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200600 return rc;
601}
602
603static int qed_nic_reset(struct qed_dev *cdev)
604{
605 int rc;
606
607 rc = qed_hw_reset(cdev);
608 if (rc)
609 return rc;
610
611 qed_resc_free(cdev);
612
613 return 0;
614}
615
616static int qed_nic_setup(struct qed_dev *cdev)
617{
Yuval Mintz0a7fb112016-10-01 21:59:55 +0300618 int rc, i;
619
620 /* Determine if interface is going to require LL2 */
621 if (QED_LEADING_HWFN(cdev)->hw_info.personality != QED_PCI_ETH) {
622 for (i = 0; i < cdev->num_hwfns; i++) {
623 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
624
625 p_hwfn->using_ll2 = true;
626 }
627 }
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200628
629 rc = qed_resc_alloc(cdev);
630 if (rc)
631 return rc;
632
633 DP_INFO(cdev, "Allocated qed resources\n");
634
635 qed_resc_setup(cdev);
636
637 return rc;
638}
639
640static int qed_set_int_fp(struct qed_dev *cdev, u16 cnt)
641{
642 int limit = 0;
643
644 /* Mark the fastpath as free/used */
645 cdev->int_params.fp_initialized = cnt ? true : false;
646
647 if (cdev->int_params.out.int_mode != QED_INT_MODE_MSIX)
648 limit = cdev->num_hwfns * 63;
649 else if (cdev->int_params.fp_msix_cnt)
650 limit = cdev->int_params.fp_msix_cnt;
651
652 if (!limit)
653 return -ENOMEM;
654
655 return min_t(int, cnt, limit);
656}
657
658static int qed_get_int_fp(struct qed_dev *cdev, struct qed_int_info *info)
659{
660 memset(info, 0, sizeof(struct qed_int_info));
661
662 if (!cdev->int_params.fp_initialized) {
663 DP_INFO(cdev,
664 "Protocol driver requested interrupt information, but its support is not yet configured\n");
665 return -EINVAL;
666 }
667
668 /* Need to expose only MSI-X information; Single IRQ is handled solely
669 * by qed.
670 */
671 if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
672 int msix_base = cdev->int_params.fp_msix_base;
673
674 info->msix_cnt = cdev->int_params.fp_msix_cnt;
675 info->msix = &cdev->int_params.msix_table[msix_base];
676 }
677
678 return 0;
679}
680
681static int qed_slowpath_setup_int(struct qed_dev *cdev,
682 enum qed_int_mode int_mode)
683{
Yuval Mintz4ac801b2016-02-28 12:26:52 +0200684 struct qed_sb_cnt_info sb_cnt_info;
Yuval Mintz0189efb2016-10-13 22:57:02 +0300685 int num_l2_queues = 0;
Yuval Mintz4ac801b2016-02-28 12:26:52 +0200686 int rc;
687 int i;
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200688
Sudarsana Reddy Kalluru1d2c2022016-08-01 09:08:13 -0400689 if ((int_mode == QED_INT_MODE_MSI) && (cdev->num_hwfns > 1)) {
690 DP_NOTICE(cdev, "MSI mode is not supported for CMT devices\n");
691 return -EINVAL;
692 }
693
694 memset(&cdev->int_params, 0, sizeof(struct qed_int_params));
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200695 cdev->int_params.in.int_mode = int_mode;
Yuval Mintz4ac801b2016-02-28 12:26:52 +0200696 for_each_hwfn(cdev, i) {
697 memset(&sb_cnt_info, 0, sizeof(sb_cnt_info));
698 qed_int_get_num_sbs(&cdev->hwfns[i], &sb_cnt_info);
699 cdev->int_params.in.num_vectors += sb_cnt_info.sb_cnt;
700 cdev->int_params.in.num_vectors++; /* slowpath */
701 }
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200702
703 /* We want a minimum of one slowpath and one fastpath vector per hwfn */
704 cdev->int_params.in.min_msix_cnt = cdev->num_hwfns * 2;
705
706 rc = qed_set_int_mode(cdev, false);
707 if (rc) {
708 DP_ERR(cdev, "qed_slowpath_setup_int ERR\n");
709 return rc;
710 }
711
712 cdev->int_params.fp_msix_base = cdev->num_hwfns;
713 cdev->int_params.fp_msix_cnt = cdev->int_params.out.num_vectors -
714 cdev->num_hwfns;
715
Yuval Mintz0189efb2016-10-13 22:57:02 +0300716 if (!IS_ENABLED(CONFIG_QED_RDMA))
717 return 0;
718
Ram Amrani51ff1722016-10-01 21:59:57 +0300719 for_each_hwfn(cdev, i)
720 num_l2_queues += FEAT_NUM(&cdev->hwfns[i], QED_PF_L2_QUE);
721
722 DP_VERBOSE(cdev, QED_MSG_RDMA,
723 "cdev->int_params.fp_msix_cnt=%d num_l2_queues=%d\n",
724 cdev->int_params.fp_msix_cnt, num_l2_queues);
725
726 if (cdev->int_params.fp_msix_cnt > num_l2_queues) {
727 cdev->int_params.rdma_msix_cnt =
728 (cdev->int_params.fp_msix_cnt - num_l2_queues)
729 / cdev->num_hwfns;
730 cdev->int_params.rdma_msix_base =
731 cdev->int_params.fp_msix_base + num_l2_queues;
732 cdev->int_params.fp_msix_cnt = num_l2_queues;
733 } else {
734 cdev->int_params.rdma_msix_cnt = 0;
735 }
736
737 DP_VERBOSE(cdev, QED_MSG_RDMA, "roce_msix_cnt=%d roce_msix_base=%d\n",
738 cdev->int_params.rdma_msix_cnt,
739 cdev->int_params.rdma_msix_base);
Ram Amrani51ff1722016-10-01 21:59:57 +0300740
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200741 return 0;
742}
743
Yuval Mintz1408cc1f2016-05-11 16:36:14 +0300744static int qed_slowpath_vf_setup_int(struct qed_dev *cdev)
745{
746 int rc;
747
748 memset(&cdev->int_params, 0, sizeof(struct qed_int_params));
749 cdev->int_params.in.int_mode = QED_INT_MODE_MSIX;
750
751 qed_vf_get_num_rxqs(QED_LEADING_HWFN(cdev),
752 &cdev->int_params.in.num_vectors);
753 if (cdev->num_hwfns > 1) {
754 u8 vectors = 0;
755
756 qed_vf_get_num_rxqs(&cdev->hwfns[1], &vectors);
757 cdev->int_params.in.num_vectors += vectors;
758 }
759
760 /* We want a minimum of one fastpath vector per vf hwfn */
761 cdev->int_params.in.min_msix_cnt = cdev->num_hwfns;
762
763 rc = qed_set_int_mode(cdev, true);
764 if (rc)
765 return rc;
766
767 cdev->int_params.fp_msix_base = 0;
768 cdev->int_params.fp_msix_cnt = cdev->int_params.out.num_vectors;
769
770 return 0;
771}
772
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200773u32 qed_unzip_data(struct qed_hwfn *p_hwfn, u32 input_len,
774 u8 *input_buf, u32 max_size, u8 *unzip_buf)
775{
776 int rc;
777
778 p_hwfn->stream->next_in = input_buf;
779 p_hwfn->stream->avail_in = input_len;
780 p_hwfn->stream->next_out = unzip_buf;
781 p_hwfn->stream->avail_out = max_size;
782
783 rc = zlib_inflateInit2(p_hwfn->stream, MAX_WBITS);
784
785 if (rc != Z_OK) {
786 DP_VERBOSE(p_hwfn, NETIF_MSG_DRV, "zlib init failed, rc = %d\n",
787 rc);
788 return 0;
789 }
790
791 rc = zlib_inflate(p_hwfn->stream, Z_FINISH);
792 zlib_inflateEnd(p_hwfn->stream);
793
794 if (rc != Z_OK && rc != Z_STREAM_END) {
795 DP_VERBOSE(p_hwfn, NETIF_MSG_DRV, "FW unzip error: %s, rc=%d\n",
796 p_hwfn->stream->msg, rc);
797 return 0;
798 }
799
800 return p_hwfn->stream->total_out / 4;
801}
802
803static int qed_alloc_stream_mem(struct qed_dev *cdev)
804{
805 int i;
806 void *workspace;
807
808 for_each_hwfn(cdev, i) {
809 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
810
811 p_hwfn->stream = kzalloc(sizeof(*p_hwfn->stream), GFP_KERNEL);
812 if (!p_hwfn->stream)
813 return -ENOMEM;
814
815 workspace = vzalloc(zlib_inflate_workspacesize());
816 if (!workspace)
817 return -ENOMEM;
818 p_hwfn->stream->workspace = workspace;
819 }
820
821 return 0;
822}
823
824static void qed_free_stream_mem(struct qed_dev *cdev)
825{
826 int i;
827
828 for_each_hwfn(cdev, i) {
829 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
830
831 if (!p_hwfn->stream)
832 return;
833
834 vfree(p_hwfn->stream->workspace);
835 kfree(p_hwfn->stream);
836 }
837}
838
839static void qed_update_pf_params(struct qed_dev *cdev,
840 struct qed_pf_params *params)
841{
842 int i;
843
844 for (i = 0; i < cdev->num_hwfns; i++) {
845 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
846
847 p_hwfn->pf_params = *params;
848 }
Yuval Mintz0189efb2016-10-13 22:57:02 +0300849
850 if (!IS_ENABLED(CONFIG_QED_RDMA))
851 return;
852
853 params->rdma_pf_params.num_qps = QED_ROCE_QPS;
854 params->rdma_pf_params.min_dpis = QED_ROCE_DPIS;
855 /* divide by 3 the MRs to avoid MF ILT overflow */
856 params->rdma_pf_params.num_mrs = RDMA_MAX_TIDS;
857 params->rdma_pf_params.gl_pi = QED_ROCE_PROTOCOL_INDEX;
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200858}
859
860static int qed_slowpath_start(struct qed_dev *cdev,
861 struct qed_slowpath_params *params)
862{
Manish Choprab18e1702016-04-14 01:38:30 -0400863 struct qed_tunn_start_params tunn_info;
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200864 struct qed_mcp_drv_version drv_version;
865 const u8 *data = NULL;
866 struct qed_hwfn *hwfn;
Yuval Mintz37bff2b2016-05-11 16:36:13 +0300867 int rc = -EINVAL;
868
869 if (qed_iov_wq_start(cdev))
870 goto err;
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200871
Yuval Mintz1408cc1f2016-05-11 16:36:14 +0300872 if (IS_PF(cdev)) {
873 rc = request_firmware(&cdev->firmware, QED_FW_FILE_NAME,
874 &cdev->pdev->dev);
875 if (rc) {
876 DP_NOTICE(cdev,
877 "Failed to find fw file - /lib/firmware/%s\n",
878 QED_FW_FILE_NAME);
879 goto err;
880 }
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200881 }
882
Sudarsana Reddy Kalluru0e191822016-10-21 04:43:42 -0400883 cdev->rx_coalesce_usecs = QED_DEFAULT_RX_USECS;
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200884 rc = qed_nic_setup(cdev);
885 if (rc)
886 goto err;
887
Yuval Mintz1408cc1f2016-05-11 16:36:14 +0300888 if (IS_PF(cdev))
889 rc = qed_slowpath_setup_int(cdev, params->int_mode);
890 else
891 rc = qed_slowpath_vf_setup_int(cdev);
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200892 if (rc)
893 goto err1;
894
Yuval Mintz1408cc1f2016-05-11 16:36:14 +0300895 if (IS_PF(cdev)) {
896 /* Allocate stream for unzipping */
897 rc = qed_alloc_stream_mem(cdev);
Joe Perches2591c282016-09-04 14:24:03 -0700898 if (rc)
Yuval Mintz1408cc1f2016-05-11 16:36:14 +0300899 goto err2;
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200900
Yuval Mintz351a4ded2016-06-02 10:23:29 +0300901 /* First Dword used to diffrentiate between various sources */
902 data = cdev->firmware->data + sizeof(u32);
Tomer Tayarc965db42016-09-07 16:36:24 +0300903
904 qed_dbg_pf_init(cdev);
Yuval Mintz1408cc1f2016-05-11 16:36:14 +0300905 }
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200906
Manish Choprab18e1702016-04-14 01:38:30 -0400907 memset(&tunn_info, 0, sizeof(tunn_info));
Manish Chopra9a109dd2016-04-14 01:38:31 -0400908 tunn_info.tunn_mode |= 1 << QED_MODE_VXLAN_TUNN |
Manish Chopraf7985862016-04-14 01:38:32 -0400909 1 << QED_MODE_L2GRE_TUNN |
910 1 << QED_MODE_IPGRE_TUNN |
Manish Chopra9a109dd2016-04-14 01:38:31 -0400911 1 << QED_MODE_L2GENEVE_TUNN |
912 1 << QED_MODE_IPGENEVE_TUNN;
913
Manish Choprab18e1702016-04-14 01:38:30 -0400914 tunn_info.tunn_clss_vxlan = QED_TUNN_CLSS_MAC_VLAN;
Manish Chopraf7985862016-04-14 01:38:32 -0400915 tunn_info.tunn_clss_l2gre = QED_TUNN_CLSS_MAC_VLAN;
916 tunn_info.tunn_clss_ipgre = QED_TUNN_CLSS_MAC_VLAN;
Manish Choprab18e1702016-04-14 01:38:30 -0400917
Yuval Mintz1408cc1f2016-05-11 16:36:14 +0300918 /* Start the slowpath */
Manish Choprab18e1702016-04-14 01:38:30 -0400919 rc = qed_hw_init(cdev, &tunn_info, true,
920 cdev->int_params.out.int_mode,
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200921 true, data);
922 if (rc)
Yuval Mintz8c925c42016-03-02 20:26:03 +0200923 goto err2;
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200924
925 DP_INFO(cdev,
926 "HW initialization and function start completed successfully\n");
927
Yuval Mintz0a7fb112016-10-01 21:59:55 +0300928 /* Allocate LL2 interface if needed */
929 if (QED_LEADING_HWFN(cdev)->using_ll2) {
930 rc = qed_ll2_alloc_if(cdev);
931 if (rc)
932 goto err3;
933 }
Yuval Mintz1408cc1f2016-05-11 16:36:14 +0300934 if (IS_PF(cdev)) {
935 hwfn = QED_LEADING_HWFN(cdev);
936 drv_version.version = (params->drv_major << 24) |
937 (params->drv_minor << 16) |
938 (params->drv_rev << 8) |
939 (params->drv_eng);
940 strlcpy(drv_version.name, params->name,
941 MCP_DRV_VER_STR_SIZE - 4);
942 rc = qed_mcp_send_drv_version(hwfn, hwfn->p_main_ptt,
943 &drv_version);
944 if (rc) {
945 DP_NOTICE(cdev, "Failed sending drv version command\n");
946 return rc;
947 }
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200948 }
949
Yuval Mintz8c925c42016-03-02 20:26:03 +0200950 qed_reset_vport_stats(cdev);
951
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200952 return 0;
953
Yuval Mintz0a7fb112016-10-01 21:59:55 +0300954err3:
955 qed_hw_stop(cdev);
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200956err2:
Yuval Mintz8c925c42016-03-02 20:26:03 +0200957 qed_hw_timers_stop_all(cdev);
Yuval Mintz1408cc1f2016-05-11 16:36:14 +0300958 if (IS_PF(cdev))
959 qed_slowpath_irq_free(cdev);
Yuval Mintz8c925c42016-03-02 20:26:03 +0200960 qed_free_stream_mem(cdev);
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200961 qed_disable_msix(cdev);
962err1:
963 qed_resc_free(cdev);
964err:
Yuval Mintz1408cc1f2016-05-11 16:36:14 +0300965 if (IS_PF(cdev))
966 release_firmware(cdev->firmware);
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200967
Yuval Mintz37bff2b2016-05-11 16:36:13 +0300968 qed_iov_wq_stop(cdev, false);
969
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200970 return rc;
971}
972
973static int qed_slowpath_stop(struct qed_dev *cdev)
974{
975 if (!cdev)
976 return -ENODEV;
977
Yuval Mintz0a7fb112016-10-01 21:59:55 +0300978 qed_ll2_dealloc_if(cdev);
979
Yuval Mintz1408cc1f2016-05-11 16:36:14 +0300980 if (IS_PF(cdev)) {
981 qed_free_stream_mem(cdev);
Yuval Mintzc5ac9312016-06-03 14:35:34 +0300982 if (IS_QED_ETH_IF(cdev))
983 qed_sriov_disable(cdev, true);
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200984
Yuval Mintz1408cc1f2016-05-11 16:36:14 +0300985 qed_nic_stop(cdev);
986 qed_slowpath_irq_free(cdev);
987 }
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200988
989 qed_disable_msix(cdev);
990 qed_nic_reset(cdev);
991
Yuval Mintz37bff2b2016-05-11 16:36:13 +0300992 qed_iov_wq_stop(cdev, true);
993
Yuval Mintz1408cc1f2016-05-11 16:36:14 +0300994 if (IS_PF(cdev))
995 release_firmware(cdev->firmware);
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200996
997 return 0;
998}
999
1000static void qed_set_id(struct qed_dev *cdev, char name[NAME_SIZE],
1001 char ver_str[VER_SIZE])
1002{
1003 int i;
1004
1005 memcpy(cdev->name, name, NAME_SIZE);
1006 for_each_hwfn(cdev, i)
1007 snprintf(cdev->hwfns[i].name, NAME_SIZE, "%s-%d", name, i);
1008
1009 memcpy(cdev->ver_str, ver_str, VER_SIZE);
1010 cdev->drv_type = DRV_ID_DRV_TYPE_LINUX;
1011}
1012
1013static u32 qed_sb_init(struct qed_dev *cdev,
1014 struct qed_sb_info *sb_info,
1015 void *sb_virt_addr,
1016 dma_addr_t sb_phy_addr, u16 sb_id,
1017 enum qed_sb_type type)
1018{
1019 struct qed_hwfn *p_hwfn;
1020 int hwfn_index;
1021 u16 rel_sb_id;
1022 u8 n_hwfns;
1023 u32 rc;
1024
1025 /* RoCE uses single engine and CMT uses two engines. When using both
1026 * we force only a single engine. Storage uses only engine 0 too.
1027 */
1028 if (type == QED_SB_TYPE_L2_QUEUE)
1029 n_hwfns = cdev->num_hwfns;
1030 else
1031 n_hwfns = 1;
1032
1033 hwfn_index = sb_id % n_hwfns;
1034 p_hwfn = &cdev->hwfns[hwfn_index];
1035 rel_sb_id = sb_id / n_hwfns;
1036
1037 DP_VERBOSE(cdev, NETIF_MSG_INTR,
1038 "hwfn [%d] <--[init]-- SB %04x [0x%04x upper]\n",
1039 hwfn_index, rel_sb_id, sb_id);
1040
1041 rc = qed_int_sb_init(p_hwfn, p_hwfn->p_main_ptt, sb_info,
1042 sb_virt_addr, sb_phy_addr, rel_sb_id);
1043
1044 return rc;
1045}
1046
1047static u32 qed_sb_release(struct qed_dev *cdev,
Yuval Mintz1a635e42016-08-15 10:42:43 +03001048 struct qed_sb_info *sb_info, u16 sb_id)
Yuval Mintzfe56b9e2015-10-26 11:02:25 +02001049{
1050 struct qed_hwfn *p_hwfn;
1051 int hwfn_index;
1052 u16 rel_sb_id;
1053 u32 rc;
1054
1055 hwfn_index = sb_id % cdev->num_hwfns;
1056 p_hwfn = &cdev->hwfns[hwfn_index];
1057 rel_sb_id = sb_id / cdev->num_hwfns;
1058
1059 DP_VERBOSE(cdev, NETIF_MSG_INTR,
1060 "hwfn [%d] <--[init]-- SB %04x [0x%04x upper]\n",
1061 hwfn_index, rel_sb_id, sb_id);
1062
1063 rc = qed_int_sb_release(p_hwfn, sb_info, rel_sb_id);
1064
1065 return rc;
1066}
1067
Yuval Mintzfe7cd2b2016-04-22 08:41:03 +03001068static bool qed_can_link_change(struct qed_dev *cdev)
1069{
1070 return true;
1071}
1072
Yuval Mintz351a4ded2016-06-02 10:23:29 +03001073static int qed_set_link(struct qed_dev *cdev, struct qed_link_params *params)
Yuval Mintzcc875c22015-10-26 11:02:31 +02001074{
1075 struct qed_hwfn *hwfn;
1076 struct qed_mcp_link_params *link_params;
1077 struct qed_ptt *ptt;
1078 int rc;
1079
1080 if (!cdev)
1081 return -ENODEV;
1082
Yuval Mintz1408cc1f2016-05-11 16:36:14 +03001083 if (IS_VF(cdev))
1084 return 0;
1085
Yuval Mintzcc875c22015-10-26 11:02:31 +02001086 /* The link should be set only once per PF */
1087 hwfn = &cdev->hwfns[0];
1088
1089 ptt = qed_ptt_acquire(hwfn);
1090 if (!ptt)
1091 return -EBUSY;
1092
1093 link_params = qed_mcp_get_link_params(hwfn);
1094 if (params->override_flags & QED_LINK_OVERRIDE_SPEED_AUTONEG)
1095 link_params->speed.autoneg = params->autoneg;
1096 if (params->override_flags & QED_LINK_OVERRIDE_SPEED_ADV_SPEEDS) {
1097 link_params->speed.advertised_speeds = 0;
Sudarsana Reddy Kalluru054c67d2016-08-09 03:51:23 -04001098 if ((params->adv_speeds & QED_LM_1000baseT_Half_BIT) ||
1099 (params->adv_speeds & QED_LM_1000baseT_Full_BIT))
Yuval Mintzcc875c22015-10-26 11:02:31 +02001100 link_params->speed.advertised_speeds |=
Sudarsana Reddy Kalluru054c67d2016-08-09 03:51:23 -04001101 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
1102 if (params->adv_speeds & QED_LM_10000baseKR_Full_BIT)
Yuval Mintzcc875c22015-10-26 11:02:31 +02001103 link_params->speed.advertised_speeds |=
Sudarsana Reddy Kalluru054c67d2016-08-09 03:51:23 -04001104 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
1105 if (params->adv_speeds & QED_LM_25000baseKR_Full_BIT)
Yuval Mintzcc875c22015-10-26 11:02:31 +02001106 link_params->speed.advertised_speeds |=
Sudarsana Reddy Kalluru054c67d2016-08-09 03:51:23 -04001107 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G;
1108 if (params->adv_speeds & QED_LM_40000baseLR4_Full_BIT)
Yuval Mintzcc875c22015-10-26 11:02:31 +02001109 link_params->speed.advertised_speeds |=
Sudarsana Reddy Kalluru054c67d2016-08-09 03:51:23 -04001110 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G;
1111 if (params->adv_speeds & QED_LM_50000baseKR2_Full_BIT)
1112 link_params->speed.advertised_speeds |=
1113 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G;
1114 if (params->adv_speeds & QED_LM_100000baseKR4_Full_BIT)
Yuval Mintzcc875c22015-10-26 11:02:31 +02001115 link_params->speed.advertised_speeds |=
Yuval Mintz351a4ded2016-06-02 10:23:29 +03001116 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G;
Yuval Mintzcc875c22015-10-26 11:02:31 +02001117 }
1118 if (params->override_flags & QED_LINK_OVERRIDE_SPEED_FORCED_SPEED)
1119 link_params->speed.forced_speed = params->forced_speed;
Sudarsana Reddy Kallurua43f2352016-04-22 08:41:04 +03001120 if (params->override_flags & QED_LINK_OVERRIDE_PAUSE_CONFIG) {
1121 if (params->pause_config & QED_LINK_PAUSE_AUTONEG_ENABLE)
1122 link_params->pause.autoneg = true;
1123 else
1124 link_params->pause.autoneg = false;
1125 if (params->pause_config & QED_LINK_PAUSE_RX_ENABLE)
1126 link_params->pause.forced_rx = true;
1127 else
1128 link_params->pause.forced_rx = false;
1129 if (params->pause_config & QED_LINK_PAUSE_TX_ENABLE)
1130 link_params->pause.forced_tx = true;
1131 else
1132 link_params->pause.forced_tx = false;
1133 }
Sudarsana Reddy Kalluru03dc76c2016-04-28 20:20:52 -04001134 if (params->override_flags & QED_LINK_OVERRIDE_LOOPBACK_MODE) {
1135 switch (params->loopback_mode) {
1136 case QED_LINK_LOOPBACK_INT_PHY:
Yuval Mintz351a4ded2016-06-02 10:23:29 +03001137 link_params->loopback_mode = ETH_LOOPBACK_INT_PHY;
Sudarsana Reddy Kalluru03dc76c2016-04-28 20:20:52 -04001138 break;
1139 case QED_LINK_LOOPBACK_EXT_PHY:
Yuval Mintz351a4ded2016-06-02 10:23:29 +03001140 link_params->loopback_mode = ETH_LOOPBACK_EXT_PHY;
Sudarsana Reddy Kalluru03dc76c2016-04-28 20:20:52 -04001141 break;
1142 case QED_LINK_LOOPBACK_EXT:
Yuval Mintz351a4ded2016-06-02 10:23:29 +03001143 link_params->loopback_mode = ETH_LOOPBACK_EXT;
Sudarsana Reddy Kalluru03dc76c2016-04-28 20:20:52 -04001144 break;
1145 case QED_LINK_LOOPBACK_MAC:
Yuval Mintz351a4ded2016-06-02 10:23:29 +03001146 link_params->loopback_mode = ETH_LOOPBACK_MAC;
Sudarsana Reddy Kalluru03dc76c2016-04-28 20:20:52 -04001147 break;
1148 default:
Yuval Mintz351a4ded2016-06-02 10:23:29 +03001149 link_params->loopback_mode = ETH_LOOPBACK_NONE;
Sudarsana Reddy Kalluru03dc76c2016-04-28 20:20:52 -04001150 break;
1151 }
1152 }
Yuval Mintzcc875c22015-10-26 11:02:31 +02001153
1154 rc = qed_mcp_set_link(hwfn, ptt, params->link_up);
1155
1156 qed_ptt_release(hwfn, ptt);
1157
1158 return rc;
1159}
1160
1161static int qed_get_port_type(u32 media_type)
1162{
1163 int port_type;
1164
1165 switch (media_type) {
1166 case MEDIA_SFPP_10G_FIBER:
1167 case MEDIA_SFP_1G_FIBER:
1168 case MEDIA_XFP_FIBER:
Yuval Mintzb639f192016-06-19 15:18:15 +03001169 case MEDIA_MODULE_FIBER:
Yuval Mintzcc875c22015-10-26 11:02:31 +02001170 case MEDIA_KR:
1171 port_type = PORT_FIBRE;
1172 break;
1173 case MEDIA_DA_TWINAX:
1174 port_type = PORT_DA;
1175 break;
1176 case MEDIA_BASE_T:
1177 port_type = PORT_TP;
1178 break;
1179 case MEDIA_NOT_PRESENT:
1180 port_type = PORT_NONE;
1181 break;
1182 case MEDIA_UNSPECIFIED:
1183 default:
1184 port_type = PORT_OTHER;
1185 break;
1186 }
1187 return port_type;
1188}
1189
Arnd Bergmann14b84e82016-06-01 15:29:13 +02001190static int qed_get_link_data(struct qed_hwfn *hwfn,
1191 struct qed_mcp_link_params *params,
1192 struct qed_mcp_link_state *link,
1193 struct qed_mcp_link_capabilities *link_caps)
1194{
1195 void *p;
1196
1197 if (!IS_PF(hwfn->cdev)) {
1198 qed_vf_get_link_params(hwfn, params);
1199 qed_vf_get_link_state(hwfn, link);
1200 qed_vf_get_link_caps(hwfn, link_caps);
1201
1202 return 0;
1203 }
1204
1205 p = qed_mcp_get_link_params(hwfn);
1206 if (!p)
1207 return -ENXIO;
1208 memcpy(params, p, sizeof(*params));
1209
1210 p = qed_mcp_get_link_state(hwfn);
1211 if (!p)
1212 return -ENXIO;
1213 memcpy(link, p, sizeof(*link));
1214
1215 p = qed_mcp_get_link_capabilities(hwfn);
1216 if (!p)
1217 return -ENXIO;
1218 memcpy(link_caps, p, sizeof(*link_caps));
1219
1220 return 0;
1221}
1222
Yuval Mintzcc875c22015-10-26 11:02:31 +02001223static void qed_fill_link(struct qed_hwfn *hwfn,
1224 struct qed_link_output *if_link)
1225{
1226 struct qed_mcp_link_params params;
1227 struct qed_mcp_link_state link;
1228 struct qed_mcp_link_capabilities link_caps;
1229 u32 media_type;
1230
1231 memset(if_link, 0, sizeof(*if_link));
1232
1233 /* Prepare source inputs */
Arnd Bergmann14b84e82016-06-01 15:29:13 +02001234 if (qed_get_link_data(hwfn, &params, &link, &link_caps)) {
1235 dev_warn(&hwfn->cdev->pdev->dev, "no link data available\n");
1236 return;
Yuval Mintz1408cc1f2016-05-11 16:36:14 +03001237 }
Yuval Mintzcc875c22015-10-26 11:02:31 +02001238
1239 /* Set the link parameters to pass to protocol driver */
1240 if (link.link_up)
1241 if_link->link_up = true;
1242
1243 /* TODO - at the moment assume supported and advertised speed equal */
Sudarsana Reddy Kalluru054c67d2016-08-09 03:51:23 -04001244 if_link->supported_caps = QED_LM_FIBRE_BIT;
Yuval Mintzcc875c22015-10-26 11:02:31 +02001245 if (params.speed.autoneg)
Sudarsana Reddy Kalluru054c67d2016-08-09 03:51:23 -04001246 if_link->supported_caps |= QED_LM_Autoneg_BIT;
Yuval Mintzcc875c22015-10-26 11:02:31 +02001247 if (params.pause.autoneg ||
1248 (params.pause.forced_rx && params.pause.forced_tx))
Sudarsana Reddy Kalluru054c67d2016-08-09 03:51:23 -04001249 if_link->supported_caps |= QED_LM_Asym_Pause_BIT;
Yuval Mintzcc875c22015-10-26 11:02:31 +02001250 if (params.pause.autoneg || params.pause.forced_rx ||
1251 params.pause.forced_tx)
Sudarsana Reddy Kalluru054c67d2016-08-09 03:51:23 -04001252 if_link->supported_caps |= QED_LM_Pause_BIT;
Yuval Mintzcc875c22015-10-26 11:02:31 +02001253
1254 if_link->advertised_caps = if_link->supported_caps;
1255 if (params.speed.advertised_speeds &
1256 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
Sudarsana Reddy Kalluru054c67d2016-08-09 03:51:23 -04001257 if_link->advertised_caps |= QED_LM_1000baseT_Half_BIT |
1258 QED_LM_1000baseT_Full_BIT;
Yuval Mintzcc875c22015-10-26 11:02:31 +02001259 if (params.speed.advertised_speeds &
1260 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
Sudarsana Reddy Kalluru054c67d2016-08-09 03:51:23 -04001261 if_link->advertised_caps |= QED_LM_10000baseKR_Full_BIT;
Yuval Mintzcc875c22015-10-26 11:02:31 +02001262 if (params.speed.advertised_speeds &
Sudarsana Reddy Kalluru054c67d2016-08-09 03:51:23 -04001263 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G)
1264 if_link->advertised_caps |= QED_LM_25000baseKR_Full_BIT;
Yuval Mintzcc875c22015-10-26 11:02:31 +02001265 if (params.speed.advertised_speeds &
Sudarsana Reddy Kalluru054c67d2016-08-09 03:51:23 -04001266 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
1267 if_link->advertised_caps |= QED_LM_40000baseLR4_Full_BIT;
1268 if (params.speed.advertised_speeds &
1269 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
1270 if_link->advertised_caps |= QED_LM_50000baseKR2_Full_BIT;
Yuval Mintzcc875c22015-10-26 11:02:31 +02001271 if (params.speed.advertised_speeds &
Yuval Mintz351a4ded2016-06-02 10:23:29 +03001272 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G)
Sudarsana Reddy Kalluru054c67d2016-08-09 03:51:23 -04001273 if_link->advertised_caps |= QED_LM_100000baseKR4_Full_BIT;
Yuval Mintzcc875c22015-10-26 11:02:31 +02001274
1275 if (link_caps.speed_capabilities &
1276 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
Sudarsana Reddy Kalluru054c67d2016-08-09 03:51:23 -04001277 if_link->supported_caps |= QED_LM_1000baseT_Half_BIT |
1278 QED_LM_1000baseT_Full_BIT;
Yuval Mintzcc875c22015-10-26 11:02:31 +02001279 if (link_caps.speed_capabilities &
1280 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
Sudarsana Reddy Kalluru054c67d2016-08-09 03:51:23 -04001281 if_link->supported_caps |= QED_LM_10000baseKR_Full_BIT;
Yuval Mintzcc875c22015-10-26 11:02:31 +02001282 if (link_caps.speed_capabilities &
Sudarsana Reddy Kalluru054c67d2016-08-09 03:51:23 -04001283 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G)
1284 if_link->supported_caps |= QED_LM_25000baseKR_Full_BIT;
Yuval Mintzcc875c22015-10-26 11:02:31 +02001285 if (link_caps.speed_capabilities &
Sudarsana Reddy Kalluru054c67d2016-08-09 03:51:23 -04001286 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
1287 if_link->supported_caps |= QED_LM_40000baseLR4_Full_BIT;
1288 if (link_caps.speed_capabilities &
1289 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
1290 if_link->supported_caps |= QED_LM_50000baseKR2_Full_BIT;
Yuval Mintzcc875c22015-10-26 11:02:31 +02001291 if (link_caps.speed_capabilities &
Yuval Mintz351a4ded2016-06-02 10:23:29 +03001292 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G)
Sudarsana Reddy Kalluru054c67d2016-08-09 03:51:23 -04001293 if_link->supported_caps |= QED_LM_100000baseKR4_Full_BIT;
Yuval Mintzcc875c22015-10-26 11:02:31 +02001294
1295 if (link.link_up)
1296 if_link->speed = link.speed;
1297
1298 /* TODO - fill duplex properly */
1299 if_link->duplex = DUPLEX_FULL;
1300 qed_mcp_get_media_type(hwfn->cdev, &media_type);
1301 if_link->port = qed_get_port_type(media_type);
1302
1303 if_link->autoneg = params.speed.autoneg;
1304
1305 if (params.pause.autoneg)
1306 if_link->pause_config |= QED_LINK_PAUSE_AUTONEG_ENABLE;
1307 if (params.pause.forced_rx)
1308 if_link->pause_config |= QED_LINK_PAUSE_RX_ENABLE;
1309 if (params.pause.forced_tx)
1310 if_link->pause_config |= QED_LINK_PAUSE_TX_ENABLE;
1311
1312 /* Link partner capabilities */
Sudarsana Reddy Kalluru054c67d2016-08-09 03:51:23 -04001313 if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_1G_HD)
1314 if_link->lp_caps |= QED_LM_1000baseT_Half_BIT;
1315 if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_1G_FD)
1316 if_link->lp_caps |= QED_LM_1000baseT_Full_BIT;
1317 if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_10G)
1318 if_link->lp_caps |= QED_LM_10000baseKR_Full_BIT;
1319 if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_25G)
1320 if_link->lp_caps |= QED_LM_25000baseKR_Full_BIT;
1321 if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_40G)
1322 if_link->lp_caps |= QED_LM_40000baseLR4_Full_BIT;
1323 if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_50G)
1324 if_link->lp_caps |= QED_LM_50000baseKR2_Full_BIT;
1325 if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_100G)
1326 if_link->lp_caps |= QED_LM_100000baseKR4_Full_BIT;
Yuval Mintzcc875c22015-10-26 11:02:31 +02001327
1328 if (link.an_complete)
Sudarsana Reddy Kalluru054c67d2016-08-09 03:51:23 -04001329 if_link->lp_caps |= QED_LM_Autoneg_BIT;
Yuval Mintzcc875c22015-10-26 11:02:31 +02001330
1331 if (link.partner_adv_pause)
Sudarsana Reddy Kalluru054c67d2016-08-09 03:51:23 -04001332 if_link->lp_caps |= QED_LM_Pause_BIT;
Yuval Mintzcc875c22015-10-26 11:02:31 +02001333 if (link.partner_adv_pause == QED_LINK_PARTNER_ASYMMETRIC_PAUSE ||
1334 link.partner_adv_pause == QED_LINK_PARTNER_BOTH_PAUSE)
Sudarsana Reddy Kalluru054c67d2016-08-09 03:51:23 -04001335 if_link->lp_caps |= QED_LM_Asym_Pause_BIT;
Yuval Mintzcc875c22015-10-26 11:02:31 +02001336}
1337
1338static void qed_get_current_link(struct qed_dev *cdev,
1339 struct qed_link_output *if_link)
1340{
Yuval Mintz36558c32016-05-11 16:36:17 +03001341 int i;
1342
Yuval Mintzcc875c22015-10-26 11:02:31 +02001343 qed_fill_link(&cdev->hwfns[0], if_link);
Yuval Mintz36558c32016-05-11 16:36:17 +03001344
1345 for_each_hwfn(cdev, i)
1346 qed_inform_vf_link_state(&cdev->hwfns[i]);
Yuval Mintzcc875c22015-10-26 11:02:31 +02001347}
1348
1349void qed_link_update(struct qed_hwfn *hwfn)
1350{
1351 void *cookie = hwfn->cdev->ops_cookie;
1352 struct qed_common_cb_ops *op = hwfn->cdev->protocol_ops.common;
1353 struct qed_link_output if_link;
1354
1355 qed_fill_link(hwfn, &if_link);
Yuval Mintz36558c32016-05-11 16:36:17 +03001356 qed_inform_vf_link_state(hwfn);
Yuval Mintzcc875c22015-10-26 11:02:31 +02001357
1358 if (IS_LEAD_HWFN(hwfn) && cookie)
1359 op->link_update(cookie, &if_link);
1360}
1361
Yuval Mintzfe56b9e2015-10-26 11:02:25 +02001362static int qed_drain(struct qed_dev *cdev)
1363{
1364 struct qed_hwfn *hwfn;
1365 struct qed_ptt *ptt;
1366 int i, rc;
1367
Yuval Mintz1408cc1f2016-05-11 16:36:14 +03001368 if (IS_VF(cdev))
1369 return 0;
1370
Yuval Mintzfe56b9e2015-10-26 11:02:25 +02001371 for_each_hwfn(cdev, i) {
1372 hwfn = &cdev->hwfns[i];
1373 ptt = qed_ptt_acquire(hwfn);
1374 if (!ptt) {
1375 DP_NOTICE(hwfn, "Failed to drain NIG; No PTT\n");
1376 return -EBUSY;
1377 }
1378 rc = qed_mcp_drain(hwfn, ptt);
1379 if (rc)
1380 return rc;
1381 qed_ptt_release(hwfn, ptt);
1382 }
1383
1384 return 0;
1385}
1386
Sudarsana Reddy Kalluru722003a2016-06-21 09:36:21 -04001387static void qed_get_coalesce(struct qed_dev *cdev, u16 *rx_coal, u16 *tx_coal)
1388{
1389 *rx_coal = cdev->rx_coalesce_usecs;
1390 *tx_coal = cdev->tx_coalesce_usecs;
1391}
1392
1393static int qed_set_coalesce(struct qed_dev *cdev, u16 rx_coal, u16 tx_coal,
1394 u8 qid, u16 sb_id)
1395{
1396 struct qed_hwfn *hwfn;
1397 struct qed_ptt *ptt;
1398 int hwfn_index;
1399 int status = 0;
1400
1401 hwfn_index = qid % cdev->num_hwfns;
1402 hwfn = &cdev->hwfns[hwfn_index];
1403 ptt = qed_ptt_acquire(hwfn);
1404 if (!ptt)
1405 return -EAGAIN;
1406
1407 status = qed_set_rxq_coalesce(hwfn, ptt, rx_coal,
1408 qid / cdev->num_hwfns, sb_id);
1409 if (status)
1410 goto out;
1411 status = qed_set_txq_coalesce(hwfn, ptt, tx_coal,
1412 qid / cdev->num_hwfns, sb_id);
1413out:
1414 qed_ptt_release(hwfn, ptt);
1415
1416 return status;
1417}
1418
Sudarsana Kalluru91420b82015-11-30 12:25:03 +02001419static int qed_set_led(struct qed_dev *cdev, enum qed_led_mode mode)
1420{
1421 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1422 struct qed_ptt *ptt;
1423 int status = 0;
1424
1425 ptt = qed_ptt_acquire(hwfn);
1426 if (!ptt)
1427 return -EAGAIN;
1428
1429 status = qed_mcp_set_led(hwfn, ptt, mode);
1430
1431 qed_ptt_release(hwfn, ptt);
1432
1433 return status;
1434}
1435
Sudarsana Kalluru0fefbfb2016-10-31 07:14:21 +02001436static int qed_update_drv_state(struct qed_dev *cdev, bool active)
1437{
1438 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1439 struct qed_ptt *ptt;
1440 int status = 0;
1441
1442 if (IS_VF(cdev))
1443 return 0;
1444
1445 ptt = qed_ptt_acquire(hwfn);
1446 if (!ptt)
1447 return -EAGAIN;
1448
1449 status = qed_mcp_ov_update_driver_state(hwfn, ptt, active ?
1450 QED_OV_DRIVER_STATE_ACTIVE :
1451 QED_OV_DRIVER_STATE_DISABLED);
1452
1453 qed_ptt_release(hwfn, ptt);
1454
1455 return status;
1456}
1457
1458static int qed_update_mac(struct qed_dev *cdev, u8 *mac)
1459{
1460 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1461 struct qed_ptt *ptt;
1462 int status = 0;
1463
1464 if (IS_VF(cdev))
1465 return 0;
1466
1467 ptt = qed_ptt_acquire(hwfn);
1468 if (!ptt)
1469 return -EAGAIN;
1470
1471 status = qed_mcp_ov_update_mac(hwfn, ptt, mac);
1472 if (status)
1473 goto out;
1474
1475 status = qed_mcp_ov_update_current_config(hwfn, ptt, QED_OV_CLIENT_DRV);
1476
1477out:
1478 qed_ptt_release(hwfn, ptt);
1479 return status;
1480}
1481
1482static int qed_update_mtu(struct qed_dev *cdev, u16 mtu)
1483{
1484 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1485 struct qed_ptt *ptt;
1486 int status = 0;
1487
1488 if (IS_VF(cdev))
1489 return 0;
1490
1491 ptt = qed_ptt_acquire(hwfn);
1492 if (!ptt)
1493 return -EAGAIN;
1494
1495 status = qed_mcp_ov_update_mtu(hwfn, ptt, mtu);
1496 if (status)
1497 goto out;
1498
1499 status = qed_mcp_ov_update_current_config(hwfn, ptt, QED_OV_CLIENT_DRV);
1500
1501out:
1502 qed_ptt_release(hwfn, ptt);
1503 return status;
1504}
1505
Yuval Mintz8c93bea2016-10-13 22:57:03 +03001506static struct qed_selftest_ops qed_selftest_ops_pass = {
Sudarsana Reddy Kalluru03dc76c2016-04-28 20:20:52 -04001507 .selftest_memory = &qed_selftest_memory,
1508 .selftest_interrupt = &qed_selftest_interrupt,
1509 .selftest_register = &qed_selftest_register,
1510 .selftest_clock = &qed_selftest_clock,
Mintz, Yuval7a4b21b2016-10-31 07:14:22 +02001511 .selftest_nvram = &qed_selftest_nvram,
Sudarsana Reddy Kalluru03dc76c2016-04-28 20:20:52 -04001512};
1513
Yuval Mintzfe56b9e2015-10-26 11:02:25 +02001514const struct qed_common_ops qed_common_ops_pass = {
Sudarsana Reddy Kalluru03dc76c2016-04-28 20:20:52 -04001515 .selftest = &qed_selftest_ops_pass,
Yuval Mintzfe56b9e2015-10-26 11:02:25 +02001516 .probe = &qed_probe,
1517 .remove = &qed_remove,
1518 .set_power_state = &qed_set_power_state,
1519 .set_id = &qed_set_id,
1520 .update_pf_params = &qed_update_pf_params,
1521 .slowpath_start = &qed_slowpath_start,
1522 .slowpath_stop = &qed_slowpath_stop,
1523 .set_fp_int = &qed_set_int_fp,
1524 .get_fp_int = &qed_get_int_fp,
1525 .sb_init = &qed_sb_init,
1526 .sb_release = &qed_sb_release,
1527 .simd_handler_config = &qed_simd_handler_config,
1528 .simd_handler_clean = &qed_simd_handler_clean,
Yuval Mintzfe7cd2b2016-04-22 08:41:03 +03001529 .can_link_change = &qed_can_link_change,
Yuval Mintzcc875c22015-10-26 11:02:31 +02001530 .set_link = &qed_set_link,
1531 .get_link = &qed_get_current_link,
Yuval Mintzfe56b9e2015-10-26 11:02:25 +02001532 .drain = &qed_drain,
1533 .update_msglvl = &qed_init_dp,
Tomer Tayare0971c82016-09-07 16:36:25 +03001534 .dbg_all_data = &qed_dbg_all_data,
1535 .dbg_all_data_size = &qed_dbg_all_data_size,
Yuval Mintzfe56b9e2015-10-26 11:02:25 +02001536 .chain_alloc = &qed_chain_alloc,
1537 .chain_free = &qed_chain_free,
Sudarsana Reddy Kalluru722003a2016-06-21 09:36:21 -04001538 .get_coalesce = &qed_get_coalesce,
1539 .set_coalesce = &qed_set_coalesce,
Sudarsana Kalluru91420b82015-11-30 12:25:03 +02001540 .set_led = &qed_set_led,
Sudarsana Kalluru0fefbfb2016-10-31 07:14:21 +02001541 .update_drv_state = &qed_update_drv_state,
1542 .update_mac = &qed_update_mac,
1543 .update_mtu = &qed_update_mtu,
Yuval Mintzfe56b9e2015-10-26 11:02:25 +02001544};
Sudarsana Reddy Kalluru6c754242016-08-16 10:51:03 -04001545
1546void qed_get_protocol_stats(struct qed_dev *cdev,
1547 enum qed_mcp_protocol_type type,
1548 union qed_mcp_protocol_stats *stats)
1549{
1550 struct qed_eth_stats eth_stats;
1551
1552 memset(stats, 0, sizeof(*stats));
1553
1554 switch (type) {
1555 case QED_MCP_LAN_STATS:
1556 qed_get_vport_stats(cdev, &eth_stats);
1557 stats->lan_stats.ucast_rx_pkts = eth_stats.rx_ucast_pkts;
1558 stats->lan_stats.ucast_tx_pkts = eth_stats.tx_ucast_pkts;
1559 stats->lan_stats.fcs_err = -1;
1560 break;
1561 default:
1562 DP_ERR(cdev, "Invalid protocol type = %d\n", type);
1563 return;
1564 }
1565}