These changes are the raw update to linux-4.4.6-rt14. Kernel sources
[kvmfornfv.git] / kernel / drivers / net / ethernet / qlogic / qlcnic / qlcnic_ctx.c
1 /*
2  * QLogic qlcnic NIC Driver
3  * Copyright (c) 2009-2013 QLogic Corporation
4  *
5  * See LICENSE.qlcnic for copyright and licensing details.
6  */
7
8 #include "qlcnic.h"
9
10 static const struct qlcnic_mailbox_metadata qlcnic_mbx_tbl[] = {
11         {QLCNIC_CMD_CREATE_RX_CTX, 4, 1},
12         {QLCNIC_CMD_DESTROY_RX_CTX, 2, 1},
13         {QLCNIC_CMD_CREATE_TX_CTX, 4, 1},
14         {QLCNIC_CMD_DESTROY_TX_CTX, 3, 1},
15         {QLCNIC_CMD_INTRPT_TEST, 4, 1},
16         {QLCNIC_CMD_SET_MTU, 4, 1},
17         {QLCNIC_CMD_READ_PHY, 4, 2},
18         {QLCNIC_CMD_WRITE_PHY, 5, 1},
19         {QLCNIC_CMD_READ_HW_REG, 4, 1},
20         {QLCNIC_CMD_GET_FLOW_CTL, 4, 2},
21         {QLCNIC_CMD_SET_FLOW_CTL, 4, 1},
22         {QLCNIC_CMD_READ_MAX_MTU, 4, 2},
23         {QLCNIC_CMD_READ_MAX_LRO, 4, 2},
24         {QLCNIC_CMD_MAC_ADDRESS, 4, 3},
25         {QLCNIC_CMD_GET_PCI_INFO, 4, 1},
26         {QLCNIC_CMD_GET_NIC_INFO, 4, 1},
27         {QLCNIC_CMD_SET_NIC_INFO, 4, 1},
28         {QLCNIC_CMD_GET_ESWITCH_CAPABILITY, 4, 3},
29         {QLCNIC_CMD_TOGGLE_ESWITCH, 4, 1},
30         {QLCNIC_CMD_GET_ESWITCH_STATUS, 4, 3},
31         {QLCNIC_CMD_SET_PORTMIRRORING, 4, 1},
32         {QLCNIC_CMD_CONFIGURE_ESWITCH, 4, 1},
33         {QLCNIC_CMD_GET_MAC_STATS, 4, 1},
34         {QLCNIC_CMD_GET_ESWITCH_PORT_CONFIG, 4, 3},
35         {QLCNIC_CMD_GET_ESWITCH_STATS, 4, 1},
36         {QLCNIC_CMD_CONFIG_PORT, 4, 1},
37         {QLCNIC_CMD_TEMP_SIZE, 4, 4},
38         {QLCNIC_CMD_GET_TEMP_HDR, 4, 1},
39         {QLCNIC_CMD_82XX_SET_DRV_VER, 4, 1},
40         {QLCNIC_CMD_GET_LED_STATUS, 4, 2},
41         {QLCNIC_CMD_MQ_TX_CONFIG_INTR, 2, 3},
42         {QLCNIC_CMD_DCB_QUERY_CAP, 1, 2},
43         {QLCNIC_CMD_DCB_QUERY_PARAM, 4, 1},
44 };
45
46 static inline u32 qlcnic_get_cmd_signature(struct qlcnic_hardware_context *ahw)
47 {
48         return (ahw->pci_func & 0xff) | ((ahw->fw_hal_version & 0xff) << 8) |
49                (0xcafe << 16);
50 }
51
52 /* Allocate mailbox registers */
53 int qlcnic_82xx_alloc_mbx_args(struct qlcnic_cmd_args *mbx,
54                                struct qlcnic_adapter *adapter, u32 type)
55 {
56         int i, size;
57         const struct qlcnic_mailbox_metadata *mbx_tbl;
58
59         mbx_tbl = qlcnic_mbx_tbl;
60         size = ARRAY_SIZE(qlcnic_mbx_tbl);
61         for (i = 0; i < size; i++) {
62                 if (type == mbx_tbl[i].cmd) {
63                         mbx->req.num = mbx_tbl[i].in_args;
64                         mbx->rsp.num = mbx_tbl[i].out_args;
65                         mbx->req.arg = kcalloc(mbx->req.num,
66                                                sizeof(u32), GFP_ATOMIC);
67                         if (!mbx->req.arg)
68                                 return -ENOMEM;
69                         mbx->rsp.arg = kcalloc(mbx->rsp.num,
70                                                sizeof(u32), GFP_ATOMIC);
71                         if (!mbx->rsp.arg) {
72                                 kfree(mbx->req.arg);
73                                 mbx->req.arg = NULL;
74                                 return -ENOMEM;
75                         }
76                         mbx->req.arg[0] = type;
77                         break;
78                 }
79         }
80         return 0;
81 }
82
83 /* Free up mailbox registers */
84 void qlcnic_free_mbx_args(struct qlcnic_cmd_args *cmd)
85 {
86         kfree(cmd->req.arg);
87         cmd->req.arg = NULL;
88         kfree(cmd->rsp.arg);
89         cmd->rsp.arg = NULL;
90 }
91
92 static u32
93 qlcnic_poll_rsp(struct qlcnic_adapter *adapter)
94 {
95         u32 rsp;
96         int timeout = 0, err = 0;
97
98         do {
99                 /* give atleast 1ms for firmware to respond */
100                 mdelay(1);
101
102                 if (++timeout > QLCNIC_OS_CRB_RETRY_COUNT)
103                         return QLCNIC_CDRP_RSP_TIMEOUT;
104
105                 rsp = QLCRD32(adapter, QLCNIC_CDRP_CRB_OFFSET, &err);
106         } while (!QLCNIC_CDRP_IS_RSP(rsp));
107
108         return rsp;
109 }
110
111 int qlcnic_82xx_issue_cmd(struct qlcnic_adapter *adapter,
112                           struct qlcnic_cmd_args *cmd)
113 {
114         int i, err = 0;
115         u32 rsp;
116         u32 signature;
117         struct pci_dev *pdev = adapter->pdev;
118         struct qlcnic_hardware_context *ahw = adapter->ahw;
119         const char *fmt;
120
121         signature = qlcnic_get_cmd_signature(ahw);
122
123         /* Acquire semaphore before accessing CRB */
124         if (qlcnic_api_lock(adapter)) {
125                 cmd->rsp.arg[0] = QLCNIC_RCODE_TIMEOUT;
126                 return cmd->rsp.arg[0];
127         }
128
129         QLCWR32(adapter, QLCNIC_SIGN_CRB_OFFSET, signature);
130         for (i = 1; i < cmd->req.num; i++)
131                 QLCWR32(adapter, QLCNIC_CDRP_ARG(i), cmd->req.arg[i]);
132         QLCWR32(adapter, QLCNIC_CDRP_CRB_OFFSET,
133                 QLCNIC_CDRP_FORM_CMD(cmd->req.arg[0]));
134         rsp = qlcnic_poll_rsp(adapter);
135
136         if (rsp == QLCNIC_CDRP_RSP_TIMEOUT) {
137                 dev_err(&pdev->dev, "command timeout, response = 0x%x\n", rsp);
138                 cmd->rsp.arg[0] = QLCNIC_RCODE_TIMEOUT;
139         } else if (rsp == QLCNIC_CDRP_RSP_FAIL) {
140                 cmd->rsp.arg[0] = QLCRD32(adapter, QLCNIC_CDRP_ARG(1), &err);
141                 switch (cmd->rsp.arg[0]) {
142                 case QLCNIC_RCODE_INVALID_ARGS:
143                         fmt = "CDRP invalid args: [%d]\n";
144                         break;
145                 case QLCNIC_RCODE_NOT_SUPPORTED:
146                 case QLCNIC_RCODE_NOT_IMPL:
147                         fmt = "CDRP command not supported: [%d]\n";
148                         break;
149                 case QLCNIC_RCODE_NOT_PERMITTED:
150                         fmt = "CDRP requested action not permitted: [%d]\n";
151                         break;
152                 case QLCNIC_RCODE_INVALID:
153                         fmt = "CDRP invalid or unknown cmd received: [%d]\n";
154                         break;
155                 case QLCNIC_RCODE_TIMEOUT:
156                         fmt = "CDRP command timeout: [%d]\n";
157                         break;
158                 default:
159                         fmt = "CDRP command failed: [%d]\n";
160                         break;
161                 }
162                 dev_err(&pdev->dev, fmt, cmd->rsp.arg[0]);
163                 qlcnic_dump_mbx(adapter, cmd);
164         } else if (rsp == QLCNIC_CDRP_RSP_OK)
165                 cmd->rsp.arg[0] = QLCNIC_RCODE_SUCCESS;
166
167         for (i = 1; i < cmd->rsp.num; i++)
168                 cmd->rsp.arg[i] = QLCRD32(adapter, QLCNIC_CDRP_ARG(i), &err);
169
170         /* Release semaphore */
171         qlcnic_api_unlock(adapter);
172         return cmd->rsp.arg[0];
173 }
174
175 int qlcnic_fw_cmd_set_drv_version(struct qlcnic_adapter *adapter, u32 fw_cmd)
176 {
177         struct qlcnic_cmd_args cmd;
178         u32 arg1, arg2, arg3;
179         char drv_string[12];
180         int err = 0;
181
182         memset(drv_string, 0, sizeof(drv_string));
183         snprintf(drv_string, sizeof(drv_string), "%d"".""%d"".""%d",
184                  _QLCNIC_LINUX_MAJOR, _QLCNIC_LINUX_MINOR,
185                  _QLCNIC_LINUX_SUBVERSION);
186
187         err = qlcnic_alloc_mbx_args(&cmd, adapter, fw_cmd);
188         if (err)
189                 return err;
190
191         memcpy(&arg1, drv_string, sizeof(u32));
192         memcpy(&arg2, drv_string + 4, sizeof(u32));
193         memcpy(&arg3, drv_string + 8, sizeof(u32));
194
195         cmd.req.arg[1] = arg1;
196         cmd.req.arg[2] = arg2;
197         cmd.req.arg[3] = arg3;
198
199         err = qlcnic_issue_cmd(adapter, &cmd);
200         if (err) {
201                 dev_info(&adapter->pdev->dev,
202                          "Failed to set driver version in firmware\n");
203                 err = -EIO;
204         }
205         qlcnic_free_mbx_args(&cmd);
206         return err;
207 }
208
209 int
210 qlcnic_fw_cmd_set_mtu(struct qlcnic_adapter *adapter, int mtu)
211 {
212         int err = 0;
213         struct qlcnic_cmd_args cmd;
214         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
215
216         if (recv_ctx->state != QLCNIC_HOST_CTX_STATE_ACTIVE)
217                 return err;
218         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_MTU);
219         if (err)
220                 return err;
221
222         cmd.req.arg[1] = recv_ctx->context_id;
223         cmd.req.arg[2] = mtu;
224
225         err = qlcnic_issue_cmd(adapter, &cmd);
226         if (err) {
227                 dev_err(&adapter->pdev->dev, "Failed to set mtu\n");
228                 err = -EIO;
229         }
230         qlcnic_free_mbx_args(&cmd);
231         return err;
232 }
233
234 int qlcnic_82xx_fw_cmd_create_rx_ctx(struct qlcnic_adapter *adapter)
235 {
236         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
237         struct qlcnic_hardware_context *ahw = adapter->ahw;
238         dma_addr_t hostrq_phys_addr, cardrsp_phys_addr;
239         struct net_device *netdev = adapter->netdev;
240         u32 temp_intr_crb_mode, temp_rds_crb_mode;
241         struct qlcnic_cardrsp_rds_ring *prsp_rds;
242         struct qlcnic_cardrsp_sds_ring *prsp_sds;
243         struct qlcnic_hostrq_rds_ring *prq_rds;
244         struct qlcnic_hostrq_sds_ring *prq_sds;
245         struct qlcnic_host_rds_ring *rds_ring;
246         struct qlcnic_host_sds_ring *sds_ring;
247         struct qlcnic_cardrsp_rx_ctx *prsp;
248         struct qlcnic_hostrq_rx_ctx *prq;
249         u8 i, nrds_rings, nsds_rings;
250         struct qlcnic_cmd_args cmd;
251         size_t rq_size, rsp_size;
252         u32 cap, reg, val, reg2;
253         u64 phys_addr;
254         u16 temp_u16;
255         void *addr;
256         int err;
257
258         nrds_rings = adapter->max_rds_rings;
259         nsds_rings = adapter->drv_sds_rings;
260
261         rq_size = SIZEOF_HOSTRQ_RX(struct qlcnic_hostrq_rx_ctx, nrds_rings,
262                                    nsds_rings);
263         rsp_size = SIZEOF_CARDRSP_RX(struct qlcnic_cardrsp_rx_ctx, nrds_rings,
264                                      nsds_rings);
265
266         addr = dma_alloc_coherent(&adapter->pdev->dev, rq_size,
267                                   &hostrq_phys_addr, GFP_KERNEL);
268         if (addr == NULL)
269                 return -ENOMEM;
270         prq = addr;
271
272         addr = dma_alloc_coherent(&adapter->pdev->dev, rsp_size,
273                         &cardrsp_phys_addr, GFP_KERNEL);
274         if (addr == NULL) {
275                 err = -ENOMEM;
276                 goto out_free_rq;
277         }
278         prsp = addr;
279
280         prq->host_rsp_dma_addr = cpu_to_le64(cardrsp_phys_addr);
281
282         cap = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN
283                                                 | QLCNIC_CAP0_VALIDOFF);
284         cap |= (QLCNIC_CAP0_JUMBO_CONTIGUOUS | QLCNIC_CAP0_LRO_CONTIGUOUS);
285
286         if (qlcnic_check_multi_tx(adapter) &&
287             !adapter->ahw->diag_test) {
288                 cap |= QLCNIC_CAP0_TX_MULTI;
289         } else {
290                 temp_u16 = offsetof(struct qlcnic_hostrq_rx_ctx, msix_handler);
291                 prq->valid_field_offset = cpu_to_le16(temp_u16);
292                 prq->txrx_sds_binding = nsds_rings - 1;
293                 temp_intr_crb_mode = QLCNIC_HOST_INT_CRB_MODE_SHARED;
294                 prq->host_int_crb_mode = cpu_to_le32(temp_intr_crb_mode);
295                 temp_rds_crb_mode = QLCNIC_HOST_RDS_CRB_MODE_UNIQUE;
296                 prq->host_rds_crb_mode = cpu_to_le32(temp_rds_crb_mode);
297         }
298
299         prq->capabilities[0] = cpu_to_le32(cap);
300
301         prq->num_rds_rings = cpu_to_le16(nrds_rings);
302         prq->num_sds_rings = cpu_to_le16(nsds_rings);
303         prq->rds_ring_offset = 0;
304
305         val = le32_to_cpu(prq->rds_ring_offset) +
306                 (sizeof(struct qlcnic_hostrq_rds_ring) * nrds_rings);
307         prq->sds_ring_offset = cpu_to_le32(val);
308
309         prq_rds = (struct qlcnic_hostrq_rds_ring *)(prq->data +
310                         le32_to_cpu(prq->rds_ring_offset));
311
312         for (i = 0; i < nrds_rings; i++) {
313                 rds_ring = &recv_ctx->rds_rings[i];
314                 rds_ring->producer = 0;
315                 prq_rds[i].host_phys_addr = cpu_to_le64(rds_ring->phys_addr);
316                 prq_rds[i].ring_size = cpu_to_le32(rds_ring->num_desc);
317                 prq_rds[i].ring_kind = cpu_to_le32(i);
318                 prq_rds[i].buff_size = cpu_to_le64(rds_ring->dma_size);
319         }
320
321         prq_sds = (struct qlcnic_hostrq_sds_ring *)(prq->data +
322                         le32_to_cpu(prq->sds_ring_offset));
323
324         for (i = 0; i < nsds_rings; i++) {
325                 sds_ring = &recv_ctx->sds_rings[i];
326                 sds_ring->consumer = 0;
327                 memset(sds_ring->desc_head, 0, STATUS_DESC_RINGSIZE(sds_ring));
328                 prq_sds[i].host_phys_addr = cpu_to_le64(sds_ring->phys_addr);
329                 prq_sds[i].ring_size = cpu_to_le32(sds_ring->num_desc);
330                 if (qlcnic_check_multi_tx(adapter) &&
331                     !adapter->ahw->diag_test)
332                         prq_sds[i].msi_index = cpu_to_le16(ahw->intr_tbl[i].id);
333                 else
334                         prq_sds[i].msi_index = cpu_to_le16(i);
335         }
336
337         phys_addr = hostrq_phys_addr;
338         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_RX_CTX);
339         if (err)
340                 goto out_free_rsp;
341
342         cmd.req.arg[1] = MSD(phys_addr);
343         cmd.req.arg[2] = LSD(phys_addr);
344         cmd.req.arg[3] = rq_size;
345         err = qlcnic_issue_cmd(adapter, &cmd);
346         if (err) {
347                 dev_err(&adapter->pdev->dev,
348                         "Failed to create rx ctx in firmware%d\n", err);
349                 goto out_free_rsp;
350         }
351
352         prsp_rds = ((struct qlcnic_cardrsp_rds_ring *)
353                          &prsp->data[le32_to_cpu(prsp->rds_ring_offset)]);
354
355         for (i = 0; i < le16_to_cpu(prsp->num_rds_rings); i++) {
356                 rds_ring = &recv_ctx->rds_rings[i];
357                 reg = le32_to_cpu(prsp_rds[i].host_producer_crb);
358                 rds_ring->crb_rcv_producer = ahw->pci_base0 + reg;
359         }
360
361         prsp_sds = ((struct qlcnic_cardrsp_sds_ring *)
362                         &prsp->data[le32_to_cpu(prsp->sds_ring_offset)]);
363
364         for (i = 0; i < le16_to_cpu(prsp->num_sds_rings); i++) {
365                 sds_ring = &recv_ctx->sds_rings[i];
366                 reg = le32_to_cpu(prsp_sds[i].host_consumer_crb);
367                 if (qlcnic_check_multi_tx(adapter) && !adapter->ahw->diag_test)
368                         reg2 = ahw->intr_tbl[i].src;
369                 else
370                         reg2 = le32_to_cpu(prsp_sds[i].interrupt_crb);
371
372                 sds_ring->crb_intr_mask = ahw->pci_base0 + reg2;
373                 sds_ring->crb_sts_consumer = ahw->pci_base0 + reg;
374         }
375
376         recv_ctx->state = le32_to_cpu(prsp->host_ctx_state);
377         recv_ctx->context_id = le16_to_cpu(prsp->context_id);
378         recv_ctx->virt_port = prsp->virt_port;
379
380         netdev_info(netdev, "Rx Context[%d] Created, state 0x%x\n",
381                     recv_ctx->context_id, recv_ctx->state);
382         qlcnic_free_mbx_args(&cmd);
383
384 out_free_rsp:
385         dma_free_coherent(&adapter->pdev->dev, rsp_size, prsp,
386                           cardrsp_phys_addr);
387 out_free_rq:
388         dma_free_coherent(&adapter->pdev->dev, rq_size, prq, hostrq_phys_addr);
389
390         return err;
391 }
392
393 void qlcnic_82xx_fw_cmd_del_rx_ctx(struct qlcnic_adapter *adapter)
394 {
395         int err;
396         struct qlcnic_cmd_args cmd;
397         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
398
399         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_RX_CTX);
400         if (err)
401                 return;
402
403         cmd.req.arg[1] = recv_ctx->context_id;
404         err = qlcnic_issue_cmd(adapter, &cmd);
405         if (err)
406                 dev_err(&adapter->pdev->dev,
407                         "Failed to destroy rx ctx in firmware\n");
408
409         recv_ctx->state = QLCNIC_HOST_CTX_STATE_FREED;
410         qlcnic_free_mbx_args(&cmd);
411 }
412
413 int qlcnic_82xx_fw_cmd_create_tx_ctx(struct qlcnic_adapter *adapter,
414                                      struct qlcnic_host_tx_ring *tx_ring,
415                                      int ring)
416 {
417         struct qlcnic_hardware_context *ahw = adapter->ahw;
418         struct net_device *netdev = adapter->netdev;
419         struct qlcnic_hostrq_tx_ctx     *prq;
420         struct qlcnic_hostrq_cds_ring   *prq_cds;
421         struct qlcnic_cardrsp_tx_ctx    *prsp;
422         struct qlcnic_cmd_args cmd;
423         u32 temp, intr_mask, temp_int_crb_mode;
424         dma_addr_t rq_phys_addr, rsp_phys_addr;
425         int temp_nsds_rings, index, err;
426         void *rq_addr, *rsp_addr;
427         size_t rq_size, rsp_size;
428         u64 phys_addr;
429         u16 msix_id;
430
431         /* reset host resources */
432         tx_ring->producer = 0;
433         tx_ring->sw_consumer = 0;
434         *(tx_ring->hw_consumer) = 0;
435
436         rq_size = SIZEOF_HOSTRQ_TX(struct qlcnic_hostrq_tx_ctx);
437         rq_addr = dma_zalloc_coherent(&adapter->pdev->dev, rq_size,
438                                       &rq_phys_addr, GFP_KERNEL);
439         if (!rq_addr)
440                 return -ENOMEM;
441
442         rsp_size = SIZEOF_CARDRSP_TX(struct qlcnic_cardrsp_tx_ctx);
443         rsp_addr = dma_zalloc_coherent(&adapter->pdev->dev, rsp_size,
444                                        &rsp_phys_addr, GFP_KERNEL);
445         if (!rsp_addr) {
446                 err = -ENOMEM;
447                 goto out_free_rq;
448         }
449
450         prq = rq_addr;
451         prsp = rsp_addr;
452
453         prq->host_rsp_dma_addr = cpu_to_le64(rsp_phys_addr);
454
455         temp = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN |
456                 QLCNIC_CAP0_LSO);
457         if (qlcnic_check_multi_tx(adapter) && !adapter->ahw->diag_test)
458                 temp |= QLCNIC_CAP0_TX_MULTI;
459
460         prq->capabilities[0] = cpu_to_le32(temp);
461
462         if (qlcnic_check_multi_tx(adapter) &&
463             !adapter->ahw->diag_test) {
464                 temp_nsds_rings = adapter->drv_sds_rings;
465                 index = temp_nsds_rings + ring;
466                 msix_id = ahw->intr_tbl[index].id;
467                 prq->msi_index = cpu_to_le16(msix_id);
468         } else {
469                 temp_int_crb_mode = QLCNIC_HOST_INT_CRB_MODE_SHARED;
470                 prq->host_int_crb_mode = cpu_to_le32(temp_int_crb_mode);
471                 prq->msi_index = 0;
472         }
473
474         prq->interrupt_ctl = 0;
475         prq->cmd_cons_dma_addr = cpu_to_le64(tx_ring->hw_cons_phys_addr);
476
477         prq_cds = &prq->cds_ring;
478
479         prq_cds->host_phys_addr = cpu_to_le64(tx_ring->phys_addr);
480         prq_cds->ring_size = cpu_to_le32(tx_ring->num_desc);
481
482         phys_addr = rq_phys_addr;
483
484         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_TX_CTX);
485         if (err)
486                 goto out_free_rsp;
487
488         cmd.req.arg[1] = MSD(phys_addr);
489         cmd.req.arg[2] = LSD(phys_addr);
490         cmd.req.arg[3] = rq_size;
491         err = qlcnic_issue_cmd(adapter, &cmd);
492
493         if (err == QLCNIC_RCODE_SUCCESS) {
494                 tx_ring->state = le32_to_cpu(prsp->host_ctx_state);
495                 temp = le32_to_cpu(prsp->cds_ring.host_producer_crb);
496                 tx_ring->crb_cmd_producer = adapter->ahw->pci_base0 + temp;
497                 tx_ring->ctx_id = le16_to_cpu(prsp->context_id);
498                 if (qlcnic_check_multi_tx(adapter) &&
499                     !adapter->ahw->diag_test &&
500                     (adapter->flags & QLCNIC_MSIX_ENABLED)) {
501                         index = adapter->drv_sds_rings + ring;
502                         intr_mask = ahw->intr_tbl[index].src;
503                         tx_ring->crb_intr_mask = ahw->pci_base0 + intr_mask;
504                 }
505
506                 netdev_info(netdev, "Tx Context[0x%x] Created, state 0x%x\n",
507                             tx_ring->ctx_id, tx_ring->state);
508         } else {
509                 netdev_err(netdev, "Failed to create tx ctx in firmware%d\n",
510                            err);
511                 err = -EIO;
512         }
513         qlcnic_free_mbx_args(&cmd);
514
515 out_free_rsp:
516         dma_free_coherent(&adapter->pdev->dev, rsp_size, rsp_addr,
517                           rsp_phys_addr);
518 out_free_rq:
519         dma_free_coherent(&adapter->pdev->dev, rq_size, rq_addr, rq_phys_addr);
520
521         return err;
522 }
523
524 void qlcnic_82xx_fw_cmd_del_tx_ctx(struct qlcnic_adapter *adapter,
525                                    struct qlcnic_host_tx_ring *tx_ring)
526 {
527         struct qlcnic_cmd_args cmd;
528         int ret;
529
530         ret = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_TX_CTX);
531         if (ret)
532                 return;
533
534         cmd.req.arg[1] = tx_ring->ctx_id;
535         if (qlcnic_issue_cmd(adapter, &cmd))
536                 dev_err(&adapter->pdev->dev,
537                         "Failed to destroy tx ctx in firmware\n");
538         qlcnic_free_mbx_args(&cmd);
539 }
540
541 int
542 qlcnic_fw_cmd_set_port(struct qlcnic_adapter *adapter, u32 config)
543 {
544         int err;
545         struct qlcnic_cmd_args cmd;
546
547         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_PORT);
548         if (err)
549                 return err;
550
551         cmd.req.arg[1] = config;
552         err = qlcnic_issue_cmd(adapter, &cmd);
553         qlcnic_free_mbx_args(&cmd);
554         return err;
555 }
556
557 int qlcnic_alloc_hw_resources(struct qlcnic_adapter *adapter)
558 {
559         void *addr;
560         int err, ring;
561         struct qlcnic_recv_context *recv_ctx;
562         struct qlcnic_host_rds_ring *rds_ring;
563         struct qlcnic_host_sds_ring *sds_ring;
564         struct qlcnic_host_tx_ring *tx_ring;
565         __le32 *ptr;
566
567         struct pci_dev *pdev = adapter->pdev;
568
569         recv_ctx = adapter->recv_ctx;
570
571         for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
572                 tx_ring = &adapter->tx_ring[ring];
573                 ptr = (__le32 *)dma_alloc_coherent(&pdev->dev, sizeof(u32),
574                                                    &tx_ring->hw_cons_phys_addr,
575                                                    GFP_KERNEL);
576                 if (ptr == NULL)
577                         return -ENOMEM;
578
579                 tx_ring->hw_consumer = ptr;
580                 /* cmd desc ring */
581                 addr = dma_alloc_coherent(&pdev->dev, TX_DESC_RINGSIZE(tx_ring),
582                                           &tx_ring->phys_addr,
583                                           GFP_KERNEL);
584                 if (addr == NULL) {
585                         err = -ENOMEM;
586                         goto err_out_free;
587                 }
588
589                 tx_ring->desc_head = addr;
590         }
591
592         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
593                 rds_ring = &recv_ctx->rds_rings[ring];
594                 addr = dma_alloc_coherent(&adapter->pdev->dev,
595                                           RCV_DESC_RINGSIZE(rds_ring),
596                                           &rds_ring->phys_addr, GFP_KERNEL);
597                 if (addr == NULL) {
598                         err = -ENOMEM;
599                         goto err_out_free;
600                 }
601                 rds_ring->desc_head = addr;
602
603         }
604
605         for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
606                 sds_ring = &recv_ctx->sds_rings[ring];
607
608                 addr = dma_alloc_coherent(&adapter->pdev->dev,
609                                           STATUS_DESC_RINGSIZE(sds_ring),
610                                           &sds_ring->phys_addr, GFP_KERNEL);
611                 if (addr == NULL) {
612                         err = -ENOMEM;
613                         goto err_out_free;
614                 }
615                 sds_ring->desc_head = addr;
616         }
617
618         return 0;
619
620 err_out_free:
621         qlcnic_free_hw_resources(adapter);
622         return err;
623 }
624
625 int qlcnic_fw_create_ctx(struct qlcnic_adapter *dev)
626 {
627         int i, err, ring;
628
629         if (dev->flags & QLCNIC_NEED_FLR) {
630                 pci_reset_function(dev->pdev);
631                 dev->flags &= ~QLCNIC_NEED_FLR;
632         }
633
634         if (qlcnic_83xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED)) {
635                 if (dev->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
636                         err = qlcnic_83xx_config_intrpt(dev, 1);
637                         if (err)
638                                 return err;
639                 }
640         }
641
642         if (qlcnic_82xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED) &&
643             qlcnic_check_multi_tx(dev) && !dev->ahw->diag_test) {
644                 err = qlcnic_82xx_mq_intrpt(dev, 1);
645                 if (err)
646                         return err;
647         }
648
649         err = qlcnic_fw_cmd_create_rx_ctx(dev);
650         if (err)
651                 goto err_out;
652
653         for (ring = 0; ring < dev->drv_tx_rings; ring++) {
654                 err = qlcnic_fw_cmd_create_tx_ctx(dev,
655                                                   &dev->tx_ring[ring],
656                                                   ring);
657                 if (err) {
658                         qlcnic_fw_cmd_del_rx_ctx(dev);
659                         if (ring == 0)
660                                 goto err_out;
661
662                         for (i = 0; i < ring; i++)
663                                 qlcnic_fw_cmd_del_tx_ctx(dev, &dev->tx_ring[i]);
664
665                         goto err_out;
666                 }
667         }
668
669         set_bit(__QLCNIC_FW_ATTACHED, &dev->state);
670
671         return 0;
672
673 err_out:
674         if (qlcnic_82xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED) &&
675             qlcnic_check_multi_tx(dev) && !dev->ahw->diag_test)
676                         qlcnic_82xx_config_intrpt(dev, 0);
677
678         if (qlcnic_83xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED)) {
679                 if (dev->ahw->diag_test != QLCNIC_LOOPBACK_TEST)
680                         qlcnic_83xx_config_intrpt(dev, 0);
681         }
682
683         return err;
684 }
685
686 void qlcnic_fw_destroy_ctx(struct qlcnic_adapter *adapter)
687 {
688         int ring;
689
690         if (test_and_clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) {
691                 qlcnic_fw_cmd_del_rx_ctx(adapter);
692                 for (ring = 0; ring < adapter->drv_tx_rings; ring++)
693                         qlcnic_fw_cmd_del_tx_ctx(adapter,
694                                                  &adapter->tx_ring[ring]);
695
696                 if (qlcnic_82xx_check(adapter) &&
697                     (adapter->flags & QLCNIC_MSIX_ENABLED) &&
698                     qlcnic_check_multi_tx(adapter) &&
699                     !adapter->ahw->diag_test)
700                                 qlcnic_82xx_config_intrpt(adapter, 0);
701
702                 if (qlcnic_83xx_check(adapter) &&
703                     (adapter->flags & QLCNIC_MSIX_ENABLED)) {
704                         if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST)
705                                 qlcnic_83xx_config_intrpt(adapter, 0);
706                 }
707                 /* Allow dma queues to drain after context reset */
708                 mdelay(20);
709         }
710 }
711
712 void qlcnic_free_hw_resources(struct qlcnic_adapter *adapter)
713 {
714         struct qlcnic_recv_context *recv_ctx;
715         struct qlcnic_host_rds_ring *rds_ring;
716         struct qlcnic_host_sds_ring *sds_ring;
717         struct qlcnic_host_tx_ring *tx_ring;
718         int ring;
719
720         recv_ctx = adapter->recv_ctx;
721
722         for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
723                 tx_ring = &adapter->tx_ring[ring];
724                 if (tx_ring->hw_consumer != NULL) {
725                         dma_free_coherent(&adapter->pdev->dev, sizeof(u32),
726                                           tx_ring->hw_consumer,
727                                           tx_ring->hw_cons_phys_addr);
728
729                         tx_ring->hw_consumer = NULL;
730                 }
731
732                 if (tx_ring->desc_head != NULL) {
733                         dma_free_coherent(&adapter->pdev->dev,
734                                           TX_DESC_RINGSIZE(tx_ring),
735                                           tx_ring->desc_head,
736                                           tx_ring->phys_addr);
737                         tx_ring->desc_head = NULL;
738                 }
739         }
740
741         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
742                 rds_ring = &recv_ctx->rds_rings[ring];
743
744                 if (rds_ring->desc_head != NULL) {
745                         dma_free_coherent(&adapter->pdev->dev,
746                                         RCV_DESC_RINGSIZE(rds_ring),
747                                         rds_ring->desc_head,
748                                         rds_ring->phys_addr);
749                         rds_ring->desc_head = NULL;
750                 }
751         }
752
753         for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
754                 sds_ring = &recv_ctx->sds_rings[ring];
755
756                 if (sds_ring->desc_head != NULL) {
757                         dma_free_coherent(&adapter->pdev->dev,
758                                 STATUS_DESC_RINGSIZE(sds_ring),
759                                 sds_ring->desc_head,
760                                 sds_ring->phys_addr);
761                         sds_ring->desc_head = NULL;
762                 }
763         }
764 }
765
766 int qlcnic_82xx_config_intrpt(struct qlcnic_adapter *adapter, u8 op_type)
767 {
768         struct qlcnic_hardware_context *ahw = adapter->ahw;
769         struct net_device *netdev = adapter->netdev;
770         struct qlcnic_cmd_args cmd;
771         u32 type, val;
772         int i, err = 0;
773
774         for (i = 0; i < ahw->num_msix; i++) {
775                 err = qlcnic_alloc_mbx_args(&cmd, adapter,
776                                             QLCNIC_CMD_MQ_TX_CONFIG_INTR);
777                 if (err)
778                         return err;
779                 type = op_type ? QLCNIC_INTRPT_ADD : QLCNIC_INTRPT_DEL;
780                 val = type | (ahw->intr_tbl[i].type << 4);
781                 if (ahw->intr_tbl[i].type == QLCNIC_INTRPT_MSIX)
782                         val |= (ahw->intr_tbl[i].id << 16);
783                 cmd.req.arg[1] = val;
784                 err = qlcnic_issue_cmd(adapter, &cmd);
785                 if (err) {
786                         netdev_err(netdev, "Failed to %s interrupts %d\n",
787                                    op_type == QLCNIC_INTRPT_ADD ? "Add" :
788                                    "Delete", err);
789                         qlcnic_free_mbx_args(&cmd);
790                         return err;
791                 }
792                 val = cmd.rsp.arg[1];
793                 if (LSB(val)) {
794                         netdev_info(netdev,
795                                     "failed to configure interrupt for %d\n",
796                                     ahw->intr_tbl[i].id);
797                         continue;
798                 }
799                 if (op_type) {
800                         ahw->intr_tbl[i].id = MSW(val);
801                         ahw->intr_tbl[i].enabled = 1;
802                         ahw->intr_tbl[i].src = cmd.rsp.arg[2];
803                 } else {
804                         ahw->intr_tbl[i].id = i;
805                         ahw->intr_tbl[i].enabled = 0;
806                         ahw->intr_tbl[i].src = 0;
807                 }
808                 qlcnic_free_mbx_args(&cmd);
809         }
810
811         return err;
812 }
813
814 int qlcnic_82xx_get_mac_address(struct qlcnic_adapter *adapter, u8 *mac,
815                                 u8 function)
816 {
817         int err, i;
818         struct qlcnic_cmd_args cmd;
819         u32 mac_low, mac_high;
820
821         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_MAC_ADDRESS);
822         if (err)
823                 return err;
824
825         cmd.req.arg[1] = function | BIT_8;
826         err = qlcnic_issue_cmd(adapter, &cmd);
827
828         if (err == QLCNIC_RCODE_SUCCESS) {
829                 mac_low = cmd.rsp.arg[1];
830                 mac_high = cmd.rsp.arg[2];
831
832                 for (i = 0; i < 2; i++)
833                         mac[i] = (u8) (mac_high >> ((1 - i) * 8));
834                 for (i = 2; i < 6; i++)
835                         mac[i] = (u8) (mac_low >> ((5 - i) * 8));
836         } else {
837                 dev_err(&adapter->pdev->dev,
838                         "Failed to get mac address%d\n", err);
839                 err = -EIO;
840         }
841         qlcnic_free_mbx_args(&cmd);
842         return err;
843 }
844
845 /* Get info of a NIC partition */
846 int qlcnic_82xx_get_nic_info(struct qlcnic_adapter *adapter,
847                              struct qlcnic_info *npar_info, u8 func_id)
848 {
849         int     err;
850         dma_addr_t nic_dma_t;
851         const struct qlcnic_info_le *nic_info;
852         void *nic_info_addr;
853         struct qlcnic_cmd_args cmd;
854         size_t  nic_size = sizeof(struct qlcnic_info_le);
855
856         nic_info_addr = dma_zalloc_coherent(&adapter->pdev->dev, nic_size,
857                                             &nic_dma_t, GFP_KERNEL);
858         if (!nic_info_addr)
859                 return -ENOMEM;
860
861         nic_info = nic_info_addr;
862
863         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_NIC_INFO);
864         if (err)
865                 goto out_free_dma;
866
867         cmd.req.arg[1] = MSD(nic_dma_t);
868         cmd.req.arg[2] = LSD(nic_dma_t);
869         cmd.req.arg[3] = (func_id << 16 | nic_size);
870         err = qlcnic_issue_cmd(adapter, &cmd);
871         if (err != QLCNIC_RCODE_SUCCESS) {
872                 dev_err(&adapter->pdev->dev,
873                         "Failed to get nic info%d\n", err);
874                 err = -EIO;
875         } else {
876                 npar_info->pci_func = le16_to_cpu(nic_info->pci_func);
877                 npar_info->op_mode = le16_to_cpu(nic_info->op_mode);
878                 npar_info->min_tx_bw = le16_to_cpu(nic_info->min_tx_bw);
879                 npar_info->max_tx_bw = le16_to_cpu(nic_info->max_tx_bw);
880                 npar_info->phys_port = le16_to_cpu(nic_info->phys_port);
881                 npar_info->switch_mode = le16_to_cpu(nic_info->switch_mode);
882                 npar_info->max_tx_ques = le16_to_cpu(nic_info->max_tx_ques);
883                 npar_info->max_rx_ques = le16_to_cpu(nic_info->max_rx_ques);
884                 npar_info->capabilities = le32_to_cpu(nic_info->capabilities);
885                 npar_info->max_mtu = le16_to_cpu(nic_info->max_mtu);
886         }
887
888         qlcnic_free_mbx_args(&cmd);
889 out_free_dma:
890         dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr,
891                           nic_dma_t);
892
893         return err;
894 }
895
896 /* Configure a NIC partition */
897 int qlcnic_82xx_set_nic_info(struct qlcnic_adapter *adapter,
898                              struct qlcnic_info *nic)
899 {
900         int err = -EIO;
901         dma_addr_t nic_dma_t;
902         void *nic_info_addr;
903         struct qlcnic_cmd_args cmd;
904         struct qlcnic_info_le *nic_info;
905         size_t nic_size = sizeof(struct qlcnic_info_le);
906
907         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
908                 return err;
909
910         nic_info_addr = dma_zalloc_coherent(&adapter->pdev->dev, nic_size,
911                                             &nic_dma_t, GFP_KERNEL);
912         if (!nic_info_addr)
913                 return -ENOMEM;
914
915         nic_info = nic_info_addr;
916
917         nic_info->pci_func = cpu_to_le16(nic->pci_func);
918         nic_info->op_mode = cpu_to_le16(nic->op_mode);
919         nic_info->phys_port = cpu_to_le16(nic->phys_port);
920         nic_info->switch_mode = cpu_to_le16(nic->switch_mode);
921         nic_info->capabilities = cpu_to_le32(nic->capabilities);
922         nic_info->max_mac_filters = nic->max_mac_filters;
923         nic_info->max_tx_ques = cpu_to_le16(nic->max_tx_ques);
924         nic_info->max_rx_ques = cpu_to_le16(nic->max_rx_ques);
925         nic_info->min_tx_bw = cpu_to_le16(nic->min_tx_bw);
926         nic_info->max_tx_bw = cpu_to_le16(nic->max_tx_bw);
927
928         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO);
929         if (err)
930                 goto out_free_dma;
931
932         cmd.req.arg[1] = MSD(nic_dma_t);
933         cmd.req.arg[2] = LSD(nic_dma_t);
934         cmd.req.arg[3] = ((nic->pci_func << 16) | nic_size);
935         err = qlcnic_issue_cmd(adapter, &cmd);
936
937         if (err != QLCNIC_RCODE_SUCCESS) {
938                 dev_err(&adapter->pdev->dev,
939                         "Failed to set nic info%d\n", err);
940                 err = -EIO;
941         }
942
943         qlcnic_free_mbx_args(&cmd);
944 out_free_dma:
945         dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr,
946                           nic_dma_t);
947
948         return err;
949 }
950
951 /* Get PCI Info of a partition */
952 int qlcnic_82xx_get_pci_info(struct qlcnic_adapter *adapter,
953                              struct qlcnic_pci_info *pci_info)
954 {
955         struct qlcnic_hardware_context *ahw = adapter->ahw;
956         size_t npar_size = sizeof(struct qlcnic_pci_info_le);
957         size_t pci_size = npar_size * ahw->max_vnic_func;
958         u16 nic = 0, fcoe = 0, iscsi = 0;
959         struct qlcnic_pci_info_le *npar;
960         struct qlcnic_cmd_args cmd;
961         dma_addr_t pci_info_dma_t;
962         void *pci_info_addr;
963         int err = 0, i;
964
965         pci_info_addr = dma_zalloc_coherent(&adapter->pdev->dev, pci_size,
966                                             &pci_info_dma_t, GFP_KERNEL);
967         if (!pci_info_addr)
968                 return -ENOMEM;
969
970         npar = pci_info_addr;
971         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_PCI_INFO);
972         if (err)
973                 goto out_free_dma;
974
975         cmd.req.arg[1] = MSD(pci_info_dma_t);
976         cmd.req.arg[2] = LSD(pci_info_dma_t);
977         cmd.req.arg[3] = pci_size;
978         err = qlcnic_issue_cmd(adapter, &cmd);
979
980         ahw->total_nic_func = 0;
981         if (err == QLCNIC_RCODE_SUCCESS) {
982                 for (i = 0; i < ahw->max_vnic_func; i++, npar++, pci_info++) {
983                         pci_info->id = le16_to_cpu(npar->id);
984                         pci_info->active = le16_to_cpu(npar->active);
985                         if (!pci_info->active)
986                                 continue;
987                         pci_info->type = le16_to_cpu(npar->type);
988                         err = qlcnic_get_pci_func_type(adapter, pci_info->type,
989                                                        &nic, &fcoe, &iscsi);
990                         pci_info->default_port =
991                                 le16_to_cpu(npar->default_port);
992                         pci_info->tx_min_bw =
993                                 le16_to_cpu(npar->tx_min_bw);
994                         pci_info->tx_max_bw =
995                                 le16_to_cpu(npar->tx_max_bw);
996                         memcpy(pci_info->mac, npar->mac, ETH_ALEN);
997                 }
998         } else {
999                 dev_err(&adapter->pdev->dev,
1000                         "Failed to get PCI Info%d\n", err);
1001                 err = -EIO;
1002         }
1003
1004         ahw->total_nic_func = nic;
1005         ahw->total_pci_func = nic + fcoe + iscsi;
1006         if (ahw->total_nic_func == 0 || ahw->total_pci_func == 0) {
1007                 dev_err(&adapter->pdev->dev,
1008                         "%s: Invalid function count: total nic func[%x], total pci func[%x]\n",
1009                         __func__, ahw->total_nic_func, ahw->total_pci_func);
1010                 err = -EIO;
1011         }
1012         qlcnic_free_mbx_args(&cmd);
1013 out_free_dma:
1014         dma_free_coherent(&adapter->pdev->dev, pci_size, pci_info_addr,
1015                 pci_info_dma_t);
1016
1017         return err;
1018 }
1019
1020 /* Configure eSwitch for port mirroring */
1021 int qlcnic_config_port_mirroring(struct qlcnic_adapter *adapter, u8 id,
1022                                  u8 enable_mirroring, u8 pci_func)
1023 {
1024         struct device *dev = &adapter->pdev->dev;
1025         struct qlcnic_cmd_args cmd;
1026         int err = -EIO;
1027         u32 arg1;
1028
1029         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC ||
1030             !(adapter->eswitch[id].flags & QLCNIC_SWITCH_ENABLE)) {
1031                 dev_err(&adapter->pdev->dev, "%s: Not a management function\n",
1032                         __func__);
1033                 return err;
1034         }
1035
1036         arg1 = id | (enable_mirroring ? BIT_4 : 0);
1037         arg1 |= pci_func << 8;
1038
1039         err = qlcnic_alloc_mbx_args(&cmd, adapter,
1040                                     QLCNIC_CMD_SET_PORTMIRRORING);
1041         if (err)
1042                 return err;
1043
1044         cmd.req.arg[1] = arg1;
1045         err = qlcnic_issue_cmd(adapter, &cmd);
1046
1047         if (err != QLCNIC_RCODE_SUCCESS)
1048                 dev_err(dev, "Failed to configure port mirroring for vNIC function %d on eSwitch %d\n",
1049                         pci_func, id);
1050         else
1051                 dev_info(dev, "Configured port mirroring for vNIC function %d on eSwitch %d\n",
1052                          pci_func, id);
1053         qlcnic_free_mbx_args(&cmd);
1054
1055         return err;
1056 }
1057
1058 int qlcnic_get_port_stats(struct qlcnic_adapter *adapter, const u8 func,
1059                 const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
1060
1061         size_t stats_size = sizeof(struct qlcnic_esw_stats_le);
1062         struct qlcnic_esw_stats_le *stats;
1063         dma_addr_t stats_dma_t;
1064         void *stats_addr;
1065         u32 arg1;
1066         struct qlcnic_cmd_args cmd;
1067         int err;
1068
1069         if (esw_stats == NULL)
1070                 return -ENOMEM;
1071
1072         if ((adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) &&
1073             (func != adapter->ahw->pci_func)) {
1074                 dev_err(&adapter->pdev->dev,
1075                         "Not privilege to query stats for func=%d", func);
1076                 return -EIO;
1077         }
1078
1079         stats_addr = dma_zalloc_coherent(&adapter->pdev->dev, stats_size,
1080                                          &stats_dma_t, GFP_KERNEL);
1081         if (!stats_addr)
1082                 return -ENOMEM;
1083
1084         arg1 = func | QLCNIC_STATS_VERSION << 8 | QLCNIC_STATS_PORT << 12;
1085         arg1 |= rx_tx << 15 | stats_size << 16;
1086
1087         err = qlcnic_alloc_mbx_args(&cmd, adapter,
1088                                     QLCNIC_CMD_GET_ESWITCH_STATS);
1089         if (err)
1090                 goto out_free_dma;
1091
1092         cmd.req.arg[1] = arg1;
1093         cmd.req.arg[2] = MSD(stats_dma_t);
1094         cmd.req.arg[3] = LSD(stats_dma_t);
1095         err = qlcnic_issue_cmd(adapter, &cmd);
1096
1097         if (!err) {
1098                 stats = stats_addr;
1099                 esw_stats->context_id = le16_to_cpu(stats->context_id);
1100                 esw_stats->version = le16_to_cpu(stats->version);
1101                 esw_stats->size = le16_to_cpu(stats->size);
1102                 esw_stats->multicast_frames =
1103                                 le64_to_cpu(stats->multicast_frames);
1104                 esw_stats->broadcast_frames =
1105                                 le64_to_cpu(stats->broadcast_frames);
1106                 esw_stats->unicast_frames = le64_to_cpu(stats->unicast_frames);
1107                 esw_stats->dropped_frames = le64_to_cpu(stats->dropped_frames);
1108                 esw_stats->local_frames = le64_to_cpu(stats->local_frames);
1109                 esw_stats->errors = le64_to_cpu(stats->errors);
1110                 esw_stats->numbytes = le64_to_cpu(stats->numbytes);
1111         }
1112
1113         qlcnic_free_mbx_args(&cmd);
1114 out_free_dma:
1115         dma_free_coherent(&adapter->pdev->dev, stats_size, stats_addr,
1116                           stats_dma_t);
1117
1118         return err;
1119 }
1120
1121 /* This routine will retrieve the MAC statistics from firmware */
1122 int qlcnic_get_mac_stats(struct qlcnic_adapter *adapter,
1123                 struct qlcnic_mac_statistics *mac_stats)
1124 {
1125         struct qlcnic_mac_statistics_le *stats;
1126         struct qlcnic_cmd_args cmd;
1127         size_t stats_size = sizeof(struct qlcnic_mac_statistics_le);
1128         dma_addr_t stats_dma_t;
1129         void *stats_addr;
1130         int err;
1131
1132         if (mac_stats == NULL)
1133                 return -ENOMEM;
1134
1135         stats_addr = dma_zalloc_coherent(&adapter->pdev->dev, stats_size,
1136                                          &stats_dma_t, GFP_KERNEL);
1137         if (!stats_addr)
1138                 return -ENOMEM;
1139
1140         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_MAC_STATS);
1141         if (err)
1142                 goto out_free_dma;
1143
1144         cmd.req.arg[1] = stats_size << 16;
1145         cmd.req.arg[2] = MSD(stats_dma_t);
1146         cmd.req.arg[3] = LSD(stats_dma_t);
1147         err = qlcnic_issue_cmd(adapter, &cmd);
1148         if (!err) {
1149                 stats = stats_addr;
1150                 mac_stats->mac_tx_frames = le64_to_cpu(stats->mac_tx_frames);
1151                 mac_stats->mac_tx_bytes = le64_to_cpu(stats->mac_tx_bytes);
1152                 mac_stats->mac_tx_mcast_pkts =
1153                                         le64_to_cpu(stats->mac_tx_mcast_pkts);
1154                 mac_stats->mac_tx_bcast_pkts =
1155                                         le64_to_cpu(stats->mac_tx_bcast_pkts);
1156                 mac_stats->mac_rx_frames = le64_to_cpu(stats->mac_rx_frames);
1157                 mac_stats->mac_rx_bytes = le64_to_cpu(stats->mac_rx_bytes);
1158                 mac_stats->mac_rx_mcast_pkts =
1159                                         le64_to_cpu(stats->mac_rx_mcast_pkts);
1160                 mac_stats->mac_rx_length_error =
1161                                 le64_to_cpu(stats->mac_rx_length_error);
1162                 mac_stats->mac_rx_length_small =
1163                                 le64_to_cpu(stats->mac_rx_length_small);
1164                 mac_stats->mac_rx_length_large =
1165                                 le64_to_cpu(stats->mac_rx_length_large);
1166                 mac_stats->mac_rx_jabber = le64_to_cpu(stats->mac_rx_jabber);
1167                 mac_stats->mac_rx_dropped = le64_to_cpu(stats->mac_rx_dropped);
1168                 mac_stats->mac_rx_crc_error = le64_to_cpu(stats->mac_rx_crc_error);
1169         } else {
1170                 dev_err(&adapter->pdev->dev,
1171                         "%s: Get mac stats failed, err=%d.\n", __func__, err);
1172         }
1173
1174         qlcnic_free_mbx_args(&cmd);
1175
1176 out_free_dma:
1177         dma_free_coherent(&adapter->pdev->dev, stats_size, stats_addr,
1178                           stats_dma_t);
1179
1180         return err;
1181 }
1182
1183 int qlcnic_get_eswitch_stats(struct qlcnic_adapter *adapter, const u8 eswitch,
1184                 const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
1185
1186         struct __qlcnic_esw_statistics port_stats;
1187         u8 i;
1188         int ret = -EIO;
1189
1190         if (esw_stats == NULL)
1191                 return -ENOMEM;
1192         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1193                 return -EIO;
1194         if (adapter->npars == NULL)
1195                 return -EIO;
1196
1197         memset(esw_stats, 0, sizeof(u64));
1198         esw_stats->unicast_frames = QLCNIC_STATS_NOT_AVAIL;
1199         esw_stats->multicast_frames = QLCNIC_STATS_NOT_AVAIL;
1200         esw_stats->broadcast_frames = QLCNIC_STATS_NOT_AVAIL;
1201         esw_stats->dropped_frames = QLCNIC_STATS_NOT_AVAIL;
1202         esw_stats->errors = QLCNIC_STATS_NOT_AVAIL;
1203         esw_stats->local_frames = QLCNIC_STATS_NOT_AVAIL;
1204         esw_stats->numbytes = QLCNIC_STATS_NOT_AVAIL;
1205         esw_stats->context_id = eswitch;
1206
1207         for (i = 0; i < adapter->ahw->total_nic_func; i++) {
1208                 if (adapter->npars[i].phy_port != eswitch)
1209                         continue;
1210
1211                 memset(&port_stats, 0, sizeof(struct __qlcnic_esw_statistics));
1212                 if (qlcnic_get_port_stats(adapter, adapter->npars[i].pci_func,
1213                                           rx_tx, &port_stats))
1214                         continue;
1215
1216                 esw_stats->size = port_stats.size;
1217                 esw_stats->version = port_stats.version;
1218                 QLCNIC_ADD_ESW_STATS(esw_stats->unicast_frames,
1219                                                 port_stats.unicast_frames);
1220                 QLCNIC_ADD_ESW_STATS(esw_stats->multicast_frames,
1221                                                 port_stats.multicast_frames);
1222                 QLCNIC_ADD_ESW_STATS(esw_stats->broadcast_frames,
1223                                                 port_stats.broadcast_frames);
1224                 QLCNIC_ADD_ESW_STATS(esw_stats->dropped_frames,
1225                                                 port_stats.dropped_frames);
1226                 QLCNIC_ADD_ESW_STATS(esw_stats->errors,
1227                                                 port_stats.errors);
1228                 QLCNIC_ADD_ESW_STATS(esw_stats->local_frames,
1229                                                 port_stats.local_frames);
1230                 QLCNIC_ADD_ESW_STATS(esw_stats->numbytes,
1231                                                 port_stats.numbytes);
1232                 ret = 0;
1233         }
1234         return ret;
1235 }
1236
1237 int qlcnic_clear_esw_stats(struct qlcnic_adapter *adapter, const u8 func_esw,
1238                 const u8 port, const u8 rx_tx)
1239 {
1240         struct qlcnic_hardware_context *ahw = adapter->ahw;
1241         struct qlcnic_cmd_args cmd;
1242         int err;
1243         u32 arg1;
1244
1245         if (ahw->op_mode != QLCNIC_MGMT_FUNC)
1246                 return -EIO;
1247
1248         if (func_esw == QLCNIC_STATS_PORT) {
1249                 if (port >= ahw->max_vnic_func)
1250                         goto err_ret;
1251         } else if (func_esw == QLCNIC_STATS_ESWITCH) {
1252                 if (port >= QLCNIC_NIU_MAX_XG_PORTS)
1253                         goto err_ret;
1254         } else {
1255                 goto err_ret;
1256         }
1257
1258         if (rx_tx > QLCNIC_QUERY_TX_COUNTER)
1259                 goto err_ret;
1260
1261         arg1 = port | QLCNIC_STATS_VERSION << 8 | func_esw << 12;
1262         arg1 |= BIT_14 | rx_tx << 15;
1263
1264         err = qlcnic_alloc_mbx_args(&cmd, adapter,
1265                                     QLCNIC_CMD_GET_ESWITCH_STATS);
1266         if (err)
1267                 return err;
1268
1269         cmd.req.arg[1] = arg1;
1270         err = qlcnic_issue_cmd(adapter, &cmd);
1271         qlcnic_free_mbx_args(&cmd);
1272         return err;
1273
1274 err_ret:
1275         dev_err(&adapter->pdev->dev,
1276                 "Invalid args func_esw %d port %d rx_ctx %d\n",
1277                 func_esw, port, rx_tx);
1278         return -EIO;
1279 }
1280
1281 static int __qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
1282                                             u32 *arg1, u32 *arg2)
1283 {
1284         struct device *dev = &adapter->pdev->dev;
1285         struct qlcnic_cmd_args cmd;
1286         u8 pci_func = *arg1 >> 8;
1287         int err;
1288
1289         err = qlcnic_alloc_mbx_args(&cmd, adapter,
1290                                     QLCNIC_CMD_GET_ESWITCH_PORT_CONFIG);
1291         if (err)
1292                 return err;
1293
1294         cmd.req.arg[1] = *arg1;
1295         err = qlcnic_issue_cmd(adapter, &cmd);
1296         *arg1 = cmd.rsp.arg[1];
1297         *arg2 = cmd.rsp.arg[2];
1298         qlcnic_free_mbx_args(&cmd);
1299
1300         if (err == QLCNIC_RCODE_SUCCESS)
1301                 dev_info(dev, "Get eSwitch port config for vNIC function %d\n",
1302                          pci_func);
1303         else
1304                 dev_err(dev, "Failed to get eswitch port config for vNIC function %d\n",
1305                         pci_func);
1306         return err;
1307 }
1308 /* Configure eSwitch port
1309 op_mode = 0 for setting default port behavior
1310 op_mode = 1 for setting  vlan id
1311 op_mode = 2 for deleting vlan id
1312 op_type = 0 for vlan_id
1313 op_type = 1 for port vlan_id
1314 */
1315 int qlcnic_config_switch_port(struct qlcnic_adapter *adapter,
1316                 struct qlcnic_esw_func_cfg *esw_cfg)
1317 {
1318         struct device *dev = &adapter->pdev->dev;
1319         struct qlcnic_cmd_args cmd;
1320         int err = -EIO, index;
1321         u32 arg1, arg2 = 0;
1322         u8 pci_func;
1323
1324         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
1325                 dev_err(&adapter->pdev->dev, "%s: Not a management function\n",
1326                         __func__);
1327                 return err;
1328         }
1329
1330         pci_func = esw_cfg->pci_func;
1331         index = qlcnic_is_valid_nic_func(adapter, pci_func);
1332         if (index < 0)
1333                 return err;
1334         arg1 = (adapter->npars[index].phy_port & BIT_0);
1335         arg1 |= (pci_func << 8);
1336
1337         if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
1338                 return err;
1339         arg1 &= ~(0x0ff << 8);
1340         arg1 |= (pci_func << 8);
1341         arg1 &= ~(BIT_2 | BIT_3);
1342         switch (esw_cfg->op_mode) {
1343         case QLCNIC_PORT_DEFAULTS:
1344                 arg1 |= (BIT_4 | BIT_6 | BIT_7);
1345                 arg2 |= (BIT_0 | BIT_1);
1346                 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)
1347                         arg2 |= (BIT_2 | BIT_3);
1348                 if (!(esw_cfg->discard_tagged))
1349                         arg1 &= ~BIT_4;
1350                 if (!(esw_cfg->promisc_mode))
1351                         arg1 &= ~BIT_6;
1352                 if (!(esw_cfg->mac_override))
1353                         arg1 &= ~BIT_7;
1354                 if (!(esw_cfg->mac_anti_spoof))
1355                         arg2 &= ~BIT_0;
1356                 if (!(esw_cfg->offload_flags & BIT_0))
1357                         arg2 &= ~(BIT_1 | BIT_2 | BIT_3);
1358                 if (!(esw_cfg->offload_flags & BIT_1))
1359                         arg2 &= ~BIT_2;
1360                 if (!(esw_cfg->offload_flags & BIT_2))
1361                         arg2 &= ~BIT_3;
1362                 break;
1363         case QLCNIC_ADD_VLAN:
1364                         arg1 &= ~(0x0ffff << 16);
1365                         arg1 |= (BIT_2 | BIT_5);
1366                         arg1 |= (esw_cfg->vlan_id << 16);
1367                         break;
1368         case QLCNIC_DEL_VLAN:
1369                         arg1 |= (BIT_3 | BIT_5);
1370                         arg1 &= ~(0x0ffff << 16);
1371                         break;
1372         default:
1373                 dev_err(&adapter->pdev->dev, "%s: Invalid opmode 0x%x\n",
1374                         __func__, esw_cfg->op_mode);
1375                 return err;
1376         }
1377
1378         err = qlcnic_alloc_mbx_args(&cmd, adapter,
1379                                     QLCNIC_CMD_CONFIGURE_ESWITCH);
1380         if (err)
1381                 return err;
1382
1383         cmd.req.arg[1] = arg1;
1384         cmd.req.arg[2] = arg2;
1385         err = qlcnic_issue_cmd(adapter, &cmd);
1386         qlcnic_free_mbx_args(&cmd);
1387
1388         if (err != QLCNIC_RCODE_SUCCESS)
1389                 dev_err(dev, "Failed to configure eswitch for vNIC function %d\n",
1390                         pci_func);
1391         else
1392                 dev_info(dev, "Configured eSwitch for vNIC function %d\n",
1393                          pci_func);
1394
1395         return err;
1396 }
1397
1398 int
1399 qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
1400                         struct qlcnic_esw_func_cfg *esw_cfg)
1401 {
1402         u32 arg1, arg2;
1403         int index;
1404         u8 phy_port;
1405
1406         if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) {
1407                 index = qlcnic_is_valid_nic_func(adapter, esw_cfg->pci_func);
1408                 if (index < 0)
1409                         return -EIO;
1410                 phy_port = adapter->npars[index].phy_port;
1411         } else {
1412                 phy_port = adapter->ahw->physical_port;
1413         }
1414         arg1 = phy_port;
1415         arg1 |= (esw_cfg->pci_func << 8);
1416         if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
1417                 return -EIO;
1418
1419         esw_cfg->discard_tagged = !!(arg1 & BIT_4);
1420         esw_cfg->host_vlan_tag = !!(arg1 & BIT_5);
1421         esw_cfg->promisc_mode = !!(arg1 & BIT_6);
1422         esw_cfg->mac_override = !!(arg1 & BIT_7);
1423         esw_cfg->vlan_id = LSW(arg1 >> 16);
1424         esw_cfg->mac_anti_spoof = (arg2 & 0x1);
1425         esw_cfg->offload_flags = ((arg2 >> 1) & 0x7);
1426
1427         return 0;
1428 }