]> Pileus Git - ~andy/linux/blob - drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c
Merge branch 'kvm-ppc-next' of git://github.com/agraf/linux-2.6 into kvm-queue
[~andy/linux] / 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, 2, 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, 5, 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                         memset(mbx->req.arg, 0, sizeof(u32) * mbx->req.num);
77                         memset(mbx->rsp.arg, 0, sizeof(u32) * mbx->rsp.num);
78                         mbx->req.arg[0] = type;
79                         break;
80                 }
81         }
82         return 0;
83 }
84
85 /* Free up mailbox registers */
86 void qlcnic_free_mbx_args(struct qlcnic_cmd_args *cmd)
87 {
88         kfree(cmd->req.arg);
89         cmd->req.arg = NULL;
90         kfree(cmd->rsp.arg);
91         cmd->rsp.arg = NULL;
92 }
93
94 static int qlcnic_is_valid_nic_func(struct qlcnic_adapter *adapter, u8 pci_func)
95 {
96         int i;
97
98         for (i = 0; i < adapter->ahw->act_pci_func; i++) {
99                 if (adapter->npars[i].pci_func == pci_func)
100                         return i;
101         }
102
103         return -1;
104 }
105
106 static u32
107 qlcnic_poll_rsp(struct qlcnic_adapter *adapter)
108 {
109         u32 rsp;
110         int timeout = 0, err = 0;
111
112         do {
113                 /* give atleast 1ms for firmware to respond */
114                 mdelay(1);
115
116                 if (++timeout > QLCNIC_OS_CRB_RETRY_COUNT)
117                         return QLCNIC_CDRP_RSP_TIMEOUT;
118
119                 rsp = QLCRD32(adapter, QLCNIC_CDRP_CRB_OFFSET, &err);
120         } while (!QLCNIC_CDRP_IS_RSP(rsp));
121
122         return rsp;
123 }
124
125 int qlcnic_82xx_issue_cmd(struct qlcnic_adapter *adapter,
126                           struct qlcnic_cmd_args *cmd)
127 {
128         int i, err = 0;
129         u32 rsp;
130         u32 signature;
131         struct pci_dev *pdev = adapter->pdev;
132         struct qlcnic_hardware_context *ahw = adapter->ahw;
133         const char *fmt;
134
135         signature = qlcnic_get_cmd_signature(ahw);
136
137         /* Acquire semaphore before accessing CRB */
138         if (qlcnic_api_lock(adapter)) {
139                 cmd->rsp.arg[0] = QLCNIC_RCODE_TIMEOUT;
140                 return cmd->rsp.arg[0];
141         }
142
143         QLCWR32(adapter, QLCNIC_SIGN_CRB_OFFSET, signature);
144         for (i = 1; i < QLCNIC_CDRP_MAX_ARGS; i++)
145                 QLCWR32(adapter, QLCNIC_CDRP_ARG(i), cmd->req.arg[i]);
146         QLCWR32(adapter, QLCNIC_CDRP_CRB_OFFSET,
147                 QLCNIC_CDRP_FORM_CMD(cmd->req.arg[0]));
148         rsp = qlcnic_poll_rsp(adapter);
149
150         if (rsp == QLCNIC_CDRP_RSP_TIMEOUT) {
151                 dev_err(&pdev->dev, "card response timeout.\n");
152                 cmd->rsp.arg[0] = QLCNIC_RCODE_TIMEOUT;
153         } else if (rsp == QLCNIC_CDRP_RSP_FAIL) {
154                 cmd->rsp.arg[0] = QLCRD32(adapter, QLCNIC_CDRP_ARG(1), &err);
155                 switch (cmd->rsp.arg[0]) {
156                 case QLCNIC_RCODE_INVALID_ARGS:
157                         fmt = "CDRP invalid args: [%d]\n";
158                         break;
159                 case QLCNIC_RCODE_NOT_SUPPORTED:
160                 case QLCNIC_RCODE_NOT_IMPL:
161                         fmt = "CDRP command not supported: [%d]\n";
162                         break;
163                 case QLCNIC_RCODE_NOT_PERMITTED:
164                         fmt = "CDRP requested action not permitted: [%d]\n";
165                         break;
166                 case QLCNIC_RCODE_INVALID:
167                         fmt = "CDRP invalid or unknown cmd received: [%d]\n";
168                         break;
169                 case QLCNIC_RCODE_TIMEOUT:
170                         fmt = "CDRP command timeout: [%d]\n";
171                         break;
172                 default:
173                         fmt = "CDRP command failed: [%d]\n";
174                         break;
175                 }
176                 dev_err(&pdev->dev, fmt, cmd->rsp.arg[0]);
177                 qlcnic_dump_mbx(adapter, cmd);
178         } else if (rsp == QLCNIC_CDRP_RSP_OK)
179                 cmd->rsp.arg[0] = QLCNIC_RCODE_SUCCESS;
180
181         for (i = 1; i < cmd->rsp.num; i++)
182                 cmd->rsp.arg[i] = QLCRD32(adapter, QLCNIC_CDRP_ARG(i), &err);
183
184         /* Release semaphore */
185         qlcnic_api_unlock(adapter);
186         return cmd->rsp.arg[0];
187 }
188
189 int qlcnic_fw_cmd_set_drv_version(struct qlcnic_adapter *adapter, u32 fw_cmd)
190 {
191         struct qlcnic_cmd_args cmd;
192         u32 arg1, arg2, arg3;
193         char drv_string[12];
194         int err = 0;
195
196         memset(drv_string, 0, sizeof(drv_string));
197         snprintf(drv_string, sizeof(drv_string), "%d"".""%d"".""%d",
198                  _QLCNIC_LINUX_MAJOR, _QLCNIC_LINUX_MINOR,
199                  _QLCNIC_LINUX_SUBVERSION);
200
201         err = qlcnic_alloc_mbx_args(&cmd, adapter, fw_cmd);
202         if (err)
203                 return err;
204
205         memcpy(&arg1, drv_string, sizeof(u32));
206         memcpy(&arg2, drv_string + 4, sizeof(u32));
207         memcpy(&arg3, drv_string + 8, sizeof(u32));
208
209         cmd.req.arg[1] = arg1;
210         cmd.req.arg[2] = arg2;
211         cmd.req.arg[3] = arg3;
212
213         err = qlcnic_issue_cmd(adapter, &cmd);
214         if (err) {
215                 dev_info(&adapter->pdev->dev,
216                          "Failed to set driver version in firmware\n");
217                 err = -EIO;
218         }
219         qlcnic_free_mbx_args(&cmd);
220         return err;
221 }
222
223 int
224 qlcnic_fw_cmd_set_mtu(struct qlcnic_adapter *adapter, int mtu)
225 {
226         int err = 0;
227         struct qlcnic_cmd_args cmd;
228         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
229
230         if (recv_ctx->state != QLCNIC_HOST_CTX_STATE_ACTIVE)
231                 return err;
232         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_MTU);
233         if (err)
234                 return err;
235
236         cmd.req.arg[1] = recv_ctx->context_id;
237         cmd.req.arg[2] = mtu;
238
239         err = qlcnic_issue_cmd(adapter, &cmd);
240         if (err) {
241                 dev_err(&adapter->pdev->dev, "Failed to set mtu\n");
242                 err = -EIO;
243         }
244         qlcnic_free_mbx_args(&cmd);
245         return err;
246 }
247
248 int qlcnic_82xx_fw_cmd_create_rx_ctx(struct qlcnic_adapter *adapter)
249 {
250         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
251         struct qlcnic_hardware_context *ahw = adapter->ahw;
252         dma_addr_t hostrq_phys_addr, cardrsp_phys_addr;
253         struct net_device *netdev = adapter->netdev;
254         u32 temp_intr_crb_mode, temp_rds_crb_mode;
255         struct qlcnic_cardrsp_rds_ring *prsp_rds;
256         struct qlcnic_cardrsp_sds_ring *prsp_sds;
257         struct qlcnic_hostrq_rds_ring *prq_rds;
258         struct qlcnic_hostrq_sds_ring *prq_sds;
259         struct qlcnic_host_rds_ring *rds_ring;
260         struct qlcnic_host_sds_ring *sds_ring;
261         struct qlcnic_cardrsp_rx_ctx *prsp;
262         struct qlcnic_hostrq_rx_ctx *prq;
263         u8 i, nrds_rings, nsds_rings;
264         struct qlcnic_cmd_args cmd;
265         size_t rq_size, rsp_size;
266         u32 cap, reg, val, reg2;
267         u64 phys_addr;
268         u16 temp_u16;
269         void *addr;
270         int err;
271
272         nrds_rings = adapter->max_rds_rings;
273         nsds_rings = adapter->drv_sds_rings;
274
275         rq_size = SIZEOF_HOSTRQ_RX(struct qlcnic_hostrq_rx_ctx, nrds_rings,
276                                    nsds_rings);
277         rsp_size = SIZEOF_CARDRSP_RX(struct qlcnic_cardrsp_rx_ctx, nrds_rings,
278                                      nsds_rings);
279
280         addr = dma_alloc_coherent(&adapter->pdev->dev, rq_size,
281                                   &hostrq_phys_addr, GFP_KERNEL);
282         if (addr == NULL)
283                 return -ENOMEM;
284         prq = addr;
285
286         addr = dma_alloc_coherent(&adapter->pdev->dev, rsp_size,
287                         &cardrsp_phys_addr, GFP_KERNEL);
288         if (addr == NULL) {
289                 err = -ENOMEM;
290                 goto out_free_rq;
291         }
292         prsp = addr;
293
294         prq->host_rsp_dma_addr = cpu_to_le64(cardrsp_phys_addr);
295
296         cap = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN
297                                                 | QLCNIC_CAP0_VALIDOFF);
298         cap |= (QLCNIC_CAP0_JUMBO_CONTIGUOUS | QLCNIC_CAP0_LRO_CONTIGUOUS);
299
300         if (qlcnic_check_multi_tx(adapter) &&
301             !adapter->ahw->diag_test) {
302                 cap |= QLCNIC_CAP0_TX_MULTI;
303         } else {
304                 temp_u16 = offsetof(struct qlcnic_hostrq_rx_ctx, msix_handler);
305                 prq->valid_field_offset = cpu_to_le16(temp_u16);
306                 prq->txrx_sds_binding = nsds_rings - 1;
307                 temp_intr_crb_mode = QLCNIC_HOST_INT_CRB_MODE_SHARED;
308                 prq->host_int_crb_mode = cpu_to_le32(temp_intr_crb_mode);
309                 temp_rds_crb_mode = QLCNIC_HOST_RDS_CRB_MODE_UNIQUE;
310                 prq->host_rds_crb_mode = cpu_to_le32(temp_rds_crb_mode);
311         }
312
313         prq->capabilities[0] = cpu_to_le32(cap);
314
315         prq->num_rds_rings = cpu_to_le16(nrds_rings);
316         prq->num_sds_rings = cpu_to_le16(nsds_rings);
317         prq->rds_ring_offset = 0;
318
319         val = le32_to_cpu(prq->rds_ring_offset) +
320                 (sizeof(struct qlcnic_hostrq_rds_ring) * nrds_rings);
321         prq->sds_ring_offset = cpu_to_le32(val);
322
323         prq_rds = (struct qlcnic_hostrq_rds_ring *)(prq->data +
324                         le32_to_cpu(prq->rds_ring_offset));
325
326         for (i = 0; i < nrds_rings; i++) {
327                 rds_ring = &recv_ctx->rds_rings[i];
328                 rds_ring->producer = 0;
329                 prq_rds[i].host_phys_addr = cpu_to_le64(rds_ring->phys_addr);
330                 prq_rds[i].ring_size = cpu_to_le32(rds_ring->num_desc);
331                 prq_rds[i].ring_kind = cpu_to_le32(i);
332                 prq_rds[i].buff_size = cpu_to_le64(rds_ring->dma_size);
333         }
334
335         prq_sds = (struct qlcnic_hostrq_sds_ring *)(prq->data +
336                         le32_to_cpu(prq->sds_ring_offset));
337
338         for (i = 0; i < nsds_rings; i++) {
339                 sds_ring = &recv_ctx->sds_rings[i];
340                 sds_ring->consumer = 0;
341                 memset(sds_ring->desc_head, 0, STATUS_DESC_RINGSIZE(sds_ring));
342                 prq_sds[i].host_phys_addr = cpu_to_le64(sds_ring->phys_addr);
343                 prq_sds[i].ring_size = cpu_to_le32(sds_ring->num_desc);
344                 if (qlcnic_check_multi_tx(adapter) &&
345                     !adapter->ahw->diag_test)
346                         prq_sds[i].msi_index = cpu_to_le16(ahw->intr_tbl[i].id);
347                 else
348                         prq_sds[i].msi_index = cpu_to_le16(i);
349         }
350
351         phys_addr = hostrq_phys_addr;
352         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_RX_CTX);
353         if (err)
354                 goto out_free_rsp;
355
356         cmd.req.arg[1] = MSD(phys_addr);
357         cmd.req.arg[2] = LSD(phys_addr);
358         cmd.req.arg[3] = rq_size;
359         err = qlcnic_issue_cmd(adapter, &cmd);
360         if (err) {
361                 dev_err(&adapter->pdev->dev,
362                         "Failed to create rx ctx in firmware%d\n", err);
363                 goto out_free_rsp;
364         }
365
366         prsp_rds = ((struct qlcnic_cardrsp_rds_ring *)
367                          &prsp->data[le32_to_cpu(prsp->rds_ring_offset)]);
368
369         for (i = 0; i < le16_to_cpu(prsp->num_rds_rings); i++) {
370                 rds_ring = &recv_ctx->rds_rings[i];
371                 reg = le32_to_cpu(prsp_rds[i].host_producer_crb);
372                 rds_ring->crb_rcv_producer = ahw->pci_base0 + reg;
373         }
374
375         prsp_sds = ((struct qlcnic_cardrsp_sds_ring *)
376                         &prsp->data[le32_to_cpu(prsp->sds_ring_offset)]);
377
378         for (i = 0; i < le16_to_cpu(prsp->num_sds_rings); i++) {
379                 sds_ring = &recv_ctx->sds_rings[i];
380                 reg = le32_to_cpu(prsp_sds[i].host_consumer_crb);
381                 if (qlcnic_check_multi_tx(adapter) && !adapter->ahw->diag_test)
382                         reg2 = ahw->intr_tbl[i].src;
383                 else
384                         reg2 = le32_to_cpu(prsp_sds[i].interrupt_crb);
385
386                 sds_ring->crb_intr_mask = ahw->pci_base0 + reg2;
387                 sds_ring->crb_sts_consumer = ahw->pci_base0 + reg;
388         }
389
390         recv_ctx->state = le32_to_cpu(prsp->host_ctx_state);
391         recv_ctx->context_id = le16_to_cpu(prsp->context_id);
392         recv_ctx->virt_port = prsp->virt_port;
393
394         netdev_info(netdev, "Rx Context[%d] Created, state 0x%x\n",
395                     recv_ctx->context_id, recv_ctx->state);
396         qlcnic_free_mbx_args(&cmd);
397
398 out_free_rsp:
399         dma_free_coherent(&adapter->pdev->dev, rsp_size, prsp,
400                           cardrsp_phys_addr);
401 out_free_rq:
402         dma_free_coherent(&adapter->pdev->dev, rq_size, prq, hostrq_phys_addr);
403
404         return err;
405 }
406
407 void qlcnic_82xx_fw_cmd_del_rx_ctx(struct qlcnic_adapter *adapter)
408 {
409         int err;
410         struct qlcnic_cmd_args cmd;
411         struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
412
413         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_RX_CTX);
414         if (err)
415                 return;
416
417         cmd.req.arg[1] = recv_ctx->context_id;
418         err = qlcnic_issue_cmd(adapter, &cmd);
419         if (err)
420                 dev_err(&adapter->pdev->dev,
421                         "Failed to destroy rx ctx in firmware\n");
422
423         recv_ctx->state = QLCNIC_HOST_CTX_STATE_FREED;
424         qlcnic_free_mbx_args(&cmd);
425 }
426
427 int qlcnic_82xx_fw_cmd_create_tx_ctx(struct qlcnic_adapter *adapter,
428                                      struct qlcnic_host_tx_ring *tx_ring,
429                                      int ring)
430 {
431         struct qlcnic_hardware_context *ahw = adapter->ahw;
432         struct net_device *netdev = adapter->netdev;
433         struct qlcnic_hostrq_tx_ctx     *prq;
434         struct qlcnic_hostrq_cds_ring   *prq_cds;
435         struct qlcnic_cardrsp_tx_ctx    *prsp;
436         struct qlcnic_cmd_args cmd;
437         u32 temp, intr_mask, temp_int_crb_mode;
438         dma_addr_t rq_phys_addr, rsp_phys_addr;
439         int temp_nsds_rings, index, err;
440         void *rq_addr, *rsp_addr;
441         size_t rq_size, rsp_size;
442         u64 phys_addr;
443         u16 msix_id;
444
445         /* reset host resources */
446         tx_ring->producer = 0;
447         tx_ring->sw_consumer = 0;
448         *(tx_ring->hw_consumer) = 0;
449
450         rq_size = SIZEOF_HOSTRQ_TX(struct qlcnic_hostrq_tx_ctx);
451         rq_addr = dma_zalloc_coherent(&adapter->pdev->dev, rq_size,
452                                       &rq_phys_addr, GFP_KERNEL);
453         if (!rq_addr)
454                 return -ENOMEM;
455
456         rsp_size = SIZEOF_CARDRSP_TX(struct qlcnic_cardrsp_tx_ctx);
457         rsp_addr = dma_zalloc_coherent(&adapter->pdev->dev, rsp_size,
458                                        &rsp_phys_addr, GFP_KERNEL);
459         if (!rsp_addr) {
460                 err = -ENOMEM;
461                 goto out_free_rq;
462         }
463
464         prq = rq_addr;
465         prsp = rsp_addr;
466
467         prq->host_rsp_dma_addr = cpu_to_le64(rsp_phys_addr);
468
469         temp = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN |
470                 QLCNIC_CAP0_LSO);
471         if (qlcnic_check_multi_tx(adapter) && !adapter->ahw->diag_test)
472                 temp |= QLCNIC_CAP0_TX_MULTI;
473
474         prq->capabilities[0] = cpu_to_le32(temp);
475
476         if (qlcnic_check_multi_tx(adapter) &&
477             !adapter->ahw->diag_test) {
478                 temp_nsds_rings = adapter->drv_sds_rings;
479                 index = temp_nsds_rings + ring;
480                 msix_id = ahw->intr_tbl[index].id;
481                 prq->msi_index = cpu_to_le16(msix_id);
482         } else {
483                 temp_int_crb_mode = QLCNIC_HOST_INT_CRB_MODE_SHARED;
484                 prq->host_int_crb_mode = cpu_to_le32(temp_int_crb_mode);
485                 prq->msi_index = 0;
486         }
487
488         prq->interrupt_ctl = 0;
489         prq->cmd_cons_dma_addr = cpu_to_le64(tx_ring->hw_cons_phys_addr);
490
491         prq_cds = &prq->cds_ring;
492
493         prq_cds->host_phys_addr = cpu_to_le64(tx_ring->phys_addr);
494         prq_cds->ring_size = cpu_to_le32(tx_ring->num_desc);
495
496         phys_addr = rq_phys_addr;
497
498         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_TX_CTX);
499         if (err)
500                 goto out_free_rsp;
501
502         cmd.req.arg[1] = MSD(phys_addr);
503         cmd.req.arg[2] = LSD(phys_addr);
504         cmd.req.arg[3] = rq_size;
505         err = qlcnic_issue_cmd(adapter, &cmd);
506
507         if (err == QLCNIC_RCODE_SUCCESS) {
508                 tx_ring->state = le32_to_cpu(prsp->host_ctx_state);
509                 temp = le32_to_cpu(prsp->cds_ring.host_producer_crb);
510                 tx_ring->crb_cmd_producer = adapter->ahw->pci_base0 + temp;
511                 tx_ring->ctx_id = le16_to_cpu(prsp->context_id);
512                 if (qlcnic_check_multi_tx(adapter) &&
513                     !adapter->ahw->diag_test &&
514                     (adapter->flags & QLCNIC_MSIX_ENABLED)) {
515                         index = adapter->drv_sds_rings + ring;
516                         intr_mask = ahw->intr_tbl[index].src;
517                         tx_ring->crb_intr_mask = ahw->pci_base0 + intr_mask;
518                 }
519
520                 netdev_info(netdev, "Tx Context[0x%x] Created, state 0x%x\n",
521                             tx_ring->ctx_id, tx_ring->state);
522         } else {
523                 netdev_err(netdev, "Failed to create tx ctx in firmware%d\n",
524                            err);
525                 err = -EIO;
526         }
527         qlcnic_free_mbx_args(&cmd);
528
529 out_free_rsp:
530         dma_free_coherent(&adapter->pdev->dev, rsp_size, rsp_addr,
531                           rsp_phys_addr);
532 out_free_rq:
533         dma_free_coherent(&adapter->pdev->dev, rq_size, rq_addr, rq_phys_addr);
534
535         return err;
536 }
537
538 void qlcnic_82xx_fw_cmd_del_tx_ctx(struct qlcnic_adapter *adapter,
539                                    struct qlcnic_host_tx_ring *tx_ring)
540 {
541         struct qlcnic_cmd_args cmd;
542         int ret;
543
544         ret = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_TX_CTX);
545         if (ret)
546                 return;
547
548         cmd.req.arg[1] = tx_ring->ctx_id;
549         if (qlcnic_issue_cmd(adapter, &cmd))
550                 dev_err(&adapter->pdev->dev,
551                         "Failed to destroy tx ctx in firmware\n");
552         qlcnic_free_mbx_args(&cmd);
553 }
554
555 int
556 qlcnic_fw_cmd_set_port(struct qlcnic_adapter *adapter, u32 config)
557 {
558         int err;
559         struct qlcnic_cmd_args cmd;
560
561         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_PORT);
562         if (err)
563                 return err;
564
565         cmd.req.arg[1] = config;
566         err = qlcnic_issue_cmd(adapter, &cmd);
567         qlcnic_free_mbx_args(&cmd);
568         return err;
569 }
570
571 int qlcnic_alloc_hw_resources(struct qlcnic_adapter *adapter)
572 {
573         void *addr;
574         int err, ring;
575         struct qlcnic_recv_context *recv_ctx;
576         struct qlcnic_host_rds_ring *rds_ring;
577         struct qlcnic_host_sds_ring *sds_ring;
578         struct qlcnic_host_tx_ring *tx_ring;
579         __le32 *ptr;
580
581         struct pci_dev *pdev = adapter->pdev;
582
583         recv_ctx = adapter->recv_ctx;
584
585         for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
586                 tx_ring = &adapter->tx_ring[ring];
587                 ptr = (__le32 *)dma_alloc_coherent(&pdev->dev, sizeof(u32),
588                                                    &tx_ring->hw_cons_phys_addr,
589                                                    GFP_KERNEL);
590                 if (ptr == NULL)
591                         return -ENOMEM;
592
593                 tx_ring->hw_consumer = ptr;
594                 /* cmd desc ring */
595                 addr = dma_alloc_coherent(&pdev->dev, TX_DESC_RINGSIZE(tx_ring),
596                                           &tx_ring->phys_addr,
597                                           GFP_KERNEL);
598                 if (addr == NULL) {
599                         err = -ENOMEM;
600                         goto err_out_free;
601                 }
602
603                 tx_ring->desc_head = addr;
604         }
605
606         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
607                 rds_ring = &recv_ctx->rds_rings[ring];
608                 addr = dma_alloc_coherent(&adapter->pdev->dev,
609                                           RCV_DESC_RINGSIZE(rds_ring),
610                                           &rds_ring->phys_addr, GFP_KERNEL);
611                 if (addr == NULL) {
612                         err = -ENOMEM;
613                         goto err_out_free;
614                 }
615                 rds_ring->desc_head = addr;
616
617         }
618
619         for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
620                 sds_ring = &recv_ctx->sds_rings[ring];
621
622                 addr = dma_alloc_coherent(&adapter->pdev->dev,
623                                           STATUS_DESC_RINGSIZE(sds_ring),
624                                           &sds_ring->phys_addr, GFP_KERNEL);
625                 if (addr == NULL) {
626                         err = -ENOMEM;
627                         goto err_out_free;
628                 }
629                 sds_ring->desc_head = addr;
630         }
631
632         return 0;
633
634 err_out_free:
635         qlcnic_free_hw_resources(adapter);
636         return err;
637 }
638
639 int qlcnic_fw_create_ctx(struct qlcnic_adapter *dev)
640 {
641         int i, err, ring;
642
643         if (dev->flags & QLCNIC_NEED_FLR) {
644                 pci_reset_function(dev->pdev);
645                 dev->flags &= ~QLCNIC_NEED_FLR;
646         }
647
648         if (qlcnic_83xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED)) {
649                 if (dev->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
650                         err = qlcnic_83xx_config_intrpt(dev, 1);
651                         if (err)
652                                 return err;
653                 }
654         }
655
656         if (qlcnic_82xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED) &&
657             qlcnic_check_multi_tx(dev) && !dev->ahw->diag_test) {
658                 err = qlcnic_82xx_mq_intrpt(dev, 1);
659                 if (err)
660                         return err;
661         }
662
663         err = qlcnic_fw_cmd_create_rx_ctx(dev);
664         if (err)
665                 goto err_out;
666
667         for (ring = 0; ring < dev->drv_tx_rings; ring++) {
668                 err = qlcnic_fw_cmd_create_tx_ctx(dev,
669                                                   &dev->tx_ring[ring],
670                                                   ring);
671                 if (err) {
672                         qlcnic_fw_cmd_del_rx_ctx(dev);
673                         if (ring == 0)
674                                 goto err_out;
675
676                         for (i = 0; i < ring; i++)
677                                 qlcnic_fw_cmd_del_tx_ctx(dev, &dev->tx_ring[i]);
678
679                         goto err_out;
680                 }
681         }
682
683         set_bit(__QLCNIC_FW_ATTACHED, &dev->state);
684
685         return 0;
686
687 err_out:
688         if (qlcnic_82xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED) &&
689             qlcnic_check_multi_tx(dev) && !dev->ahw->diag_test)
690                         qlcnic_82xx_config_intrpt(dev, 0);
691
692         if (qlcnic_83xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED)) {
693                 if (dev->ahw->diag_test != QLCNIC_LOOPBACK_TEST)
694                         qlcnic_83xx_config_intrpt(dev, 0);
695         }
696
697         return err;
698 }
699
700 void qlcnic_fw_destroy_ctx(struct qlcnic_adapter *adapter)
701 {
702         int ring;
703
704         if (test_and_clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) {
705                 qlcnic_fw_cmd_del_rx_ctx(adapter);
706                 for (ring = 0; ring < adapter->drv_tx_rings; ring++)
707                         qlcnic_fw_cmd_del_tx_ctx(adapter,
708                                                  &adapter->tx_ring[ring]);
709
710                 if (qlcnic_82xx_check(adapter) &&
711                     (adapter->flags & QLCNIC_MSIX_ENABLED) &&
712                     qlcnic_check_multi_tx(adapter) &&
713                     !adapter->ahw->diag_test)
714                                 qlcnic_82xx_config_intrpt(adapter, 0);
715
716                 if (qlcnic_83xx_check(adapter) &&
717                     (adapter->flags & QLCNIC_MSIX_ENABLED)) {
718                         if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST)
719                                 qlcnic_83xx_config_intrpt(adapter, 0);
720                 }
721                 /* Allow dma queues to drain after context reset */
722                 mdelay(20);
723         }
724 }
725
726 void qlcnic_free_hw_resources(struct qlcnic_adapter *adapter)
727 {
728         struct qlcnic_recv_context *recv_ctx;
729         struct qlcnic_host_rds_ring *rds_ring;
730         struct qlcnic_host_sds_ring *sds_ring;
731         struct qlcnic_host_tx_ring *tx_ring;
732         int ring;
733
734         recv_ctx = adapter->recv_ctx;
735
736         for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
737                 tx_ring = &adapter->tx_ring[ring];
738                 if (tx_ring->hw_consumer != NULL) {
739                         dma_free_coherent(&adapter->pdev->dev, sizeof(u32),
740                                           tx_ring->hw_consumer,
741                                           tx_ring->hw_cons_phys_addr);
742
743                         tx_ring->hw_consumer = NULL;
744                 }
745
746                 if (tx_ring->desc_head != NULL) {
747                         dma_free_coherent(&adapter->pdev->dev,
748                                           TX_DESC_RINGSIZE(tx_ring),
749                                           tx_ring->desc_head,
750                                           tx_ring->phys_addr);
751                         tx_ring->desc_head = NULL;
752                 }
753         }
754
755         for (ring = 0; ring < adapter->max_rds_rings; ring++) {
756                 rds_ring = &recv_ctx->rds_rings[ring];
757
758                 if (rds_ring->desc_head != NULL) {
759                         dma_free_coherent(&adapter->pdev->dev,
760                                         RCV_DESC_RINGSIZE(rds_ring),
761                                         rds_ring->desc_head,
762                                         rds_ring->phys_addr);
763                         rds_ring->desc_head = NULL;
764                 }
765         }
766
767         for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
768                 sds_ring = &recv_ctx->sds_rings[ring];
769
770                 if (sds_ring->desc_head != NULL) {
771                         dma_free_coherent(&adapter->pdev->dev,
772                                 STATUS_DESC_RINGSIZE(sds_ring),
773                                 sds_ring->desc_head,
774                                 sds_ring->phys_addr);
775                         sds_ring->desc_head = NULL;
776                 }
777         }
778 }
779
780 int qlcnic_82xx_config_intrpt(struct qlcnic_adapter *adapter, u8 op_type)
781 {
782         struct qlcnic_hardware_context *ahw = adapter->ahw;
783         struct net_device *netdev = adapter->netdev;
784         struct qlcnic_cmd_args cmd;
785         u32 type, val;
786         int i, err = 0;
787
788         for (i = 0; i < ahw->num_msix; i++) {
789                 qlcnic_alloc_mbx_args(&cmd, adapter,
790                                       QLCNIC_CMD_MQ_TX_CONFIG_INTR);
791                 type = op_type ? QLCNIC_INTRPT_ADD : QLCNIC_INTRPT_DEL;
792                 val = type | (ahw->intr_tbl[i].type << 4);
793                 if (ahw->intr_tbl[i].type == QLCNIC_INTRPT_MSIX)
794                         val |= (ahw->intr_tbl[i].id << 16);
795                 cmd.req.arg[1] = val;
796                 err = qlcnic_issue_cmd(adapter, &cmd);
797                 if (err) {
798                         netdev_err(netdev, "Failed to %s interrupts %d\n",
799                                    op_type == QLCNIC_INTRPT_ADD ? "Add" :
800                                    "Delete", err);
801                         qlcnic_free_mbx_args(&cmd);
802                         return err;
803                 }
804                 val = cmd.rsp.arg[1];
805                 if (LSB(val)) {
806                         netdev_info(netdev,
807                                     "failed to configure interrupt for %d\n",
808                                     ahw->intr_tbl[i].id);
809                         continue;
810                 }
811                 if (op_type) {
812                         ahw->intr_tbl[i].id = MSW(val);
813                         ahw->intr_tbl[i].enabled = 1;
814                         ahw->intr_tbl[i].src = cmd.rsp.arg[2];
815                 } else {
816                         ahw->intr_tbl[i].id = i;
817                         ahw->intr_tbl[i].enabled = 0;
818                         ahw->intr_tbl[i].src = 0;
819                 }
820                 qlcnic_free_mbx_args(&cmd);
821         }
822
823         return err;
824 }
825
826 int qlcnic_82xx_get_mac_address(struct qlcnic_adapter *adapter, u8 *mac,
827                                 u8 function)
828 {
829         int err, i;
830         struct qlcnic_cmd_args cmd;
831         u32 mac_low, mac_high;
832
833         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_MAC_ADDRESS);
834         if (err)
835                 return err;
836
837         cmd.req.arg[1] = function | BIT_8;
838         err = qlcnic_issue_cmd(adapter, &cmd);
839
840         if (err == QLCNIC_RCODE_SUCCESS) {
841                 mac_low = cmd.rsp.arg[1];
842                 mac_high = cmd.rsp.arg[2];
843
844                 for (i = 0; i < 2; i++)
845                         mac[i] = (u8) (mac_high >> ((1 - i) * 8));
846                 for (i = 2; i < 6; i++)
847                         mac[i] = (u8) (mac_low >> ((5 - i) * 8));
848         } else {
849                 dev_err(&adapter->pdev->dev,
850                         "Failed to get mac address%d\n", err);
851                 err = -EIO;
852         }
853         qlcnic_free_mbx_args(&cmd);
854         return err;
855 }
856
857 /* Get info of a NIC partition */
858 int qlcnic_82xx_get_nic_info(struct qlcnic_adapter *adapter,
859                              struct qlcnic_info *npar_info, u8 func_id)
860 {
861         int     err;
862         dma_addr_t nic_dma_t;
863         const struct qlcnic_info_le *nic_info;
864         void *nic_info_addr;
865         struct qlcnic_cmd_args cmd;
866         size_t  nic_size = sizeof(struct qlcnic_info_le);
867
868         nic_info_addr = dma_zalloc_coherent(&adapter->pdev->dev, nic_size,
869                                             &nic_dma_t, GFP_KERNEL);
870         if (!nic_info_addr)
871                 return -ENOMEM;
872
873         nic_info = nic_info_addr;
874
875         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_NIC_INFO);
876         if (err)
877                 goto out_free_dma;
878
879         cmd.req.arg[1] = MSD(nic_dma_t);
880         cmd.req.arg[2] = LSD(nic_dma_t);
881         cmd.req.arg[3] = (func_id << 16 | nic_size);
882         err = qlcnic_issue_cmd(adapter, &cmd);
883         if (err != QLCNIC_RCODE_SUCCESS) {
884                 dev_err(&adapter->pdev->dev,
885                         "Failed to get nic info%d\n", err);
886                 err = -EIO;
887         } else {
888                 npar_info->pci_func = le16_to_cpu(nic_info->pci_func);
889                 npar_info->op_mode = le16_to_cpu(nic_info->op_mode);
890                 npar_info->min_tx_bw = le16_to_cpu(nic_info->min_tx_bw);
891                 npar_info->max_tx_bw = le16_to_cpu(nic_info->max_tx_bw);
892                 npar_info->phys_port = le16_to_cpu(nic_info->phys_port);
893                 npar_info->switch_mode = le16_to_cpu(nic_info->switch_mode);
894                 npar_info->max_tx_ques = le16_to_cpu(nic_info->max_tx_ques);
895                 npar_info->max_rx_ques = le16_to_cpu(nic_info->max_rx_ques);
896                 npar_info->capabilities = le32_to_cpu(nic_info->capabilities);
897                 npar_info->max_mtu = le16_to_cpu(nic_info->max_mtu);
898                 adapter->max_tx_rings = npar_info->max_tx_ques;
899                 adapter->max_sds_rings = npar_info->max_rx_ques;
900         }
901
902         qlcnic_free_mbx_args(&cmd);
903 out_free_dma:
904         dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr,
905                           nic_dma_t);
906
907         return err;
908 }
909
910 /* Configure a NIC partition */
911 int qlcnic_82xx_set_nic_info(struct qlcnic_adapter *adapter,
912                              struct qlcnic_info *nic)
913 {
914         int err = -EIO;
915         dma_addr_t nic_dma_t;
916         void *nic_info_addr;
917         struct qlcnic_cmd_args cmd;
918         struct qlcnic_info_le *nic_info;
919         size_t nic_size = sizeof(struct qlcnic_info_le);
920
921         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
922                 return err;
923
924         nic_info_addr = dma_zalloc_coherent(&adapter->pdev->dev, nic_size,
925                                             &nic_dma_t, GFP_KERNEL);
926         if (!nic_info_addr)
927                 return -ENOMEM;
928
929         nic_info = nic_info_addr;
930
931         nic_info->pci_func = cpu_to_le16(nic->pci_func);
932         nic_info->op_mode = cpu_to_le16(nic->op_mode);
933         nic_info->phys_port = cpu_to_le16(nic->phys_port);
934         nic_info->switch_mode = cpu_to_le16(nic->switch_mode);
935         nic_info->capabilities = cpu_to_le32(nic->capabilities);
936         nic_info->max_mac_filters = nic->max_mac_filters;
937         nic_info->max_tx_ques = cpu_to_le16(nic->max_tx_ques);
938         nic_info->max_rx_ques = cpu_to_le16(nic->max_rx_ques);
939         nic_info->min_tx_bw = cpu_to_le16(nic->min_tx_bw);
940         nic_info->max_tx_bw = cpu_to_le16(nic->max_tx_bw);
941
942         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO);
943         if (err)
944                 goto out_free_dma;
945
946         cmd.req.arg[1] = MSD(nic_dma_t);
947         cmd.req.arg[2] = LSD(nic_dma_t);
948         cmd.req.arg[3] = ((nic->pci_func << 16) | nic_size);
949         err = qlcnic_issue_cmd(adapter, &cmd);
950
951         if (err != QLCNIC_RCODE_SUCCESS) {
952                 dev_err(&adapter->pdev->dev,
953                         "Failed to set nic info%d\n", err);
954                 err = -EIO;
955         }
956
957         qlcnic_free_mbx_args(&cmd);
958 out_free_dma:
959         dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr,
960                           nic_dma_t);
961
962         return err;
963 }
964
965 /* Get PCI Info of a partition */
966 int qlcnic_82xx_get_pci_info(struct qlcnic_adapter *adapter,
967                              struct qlcnic_pci_info *pci_info)
968 {
969         int err = 0, i;
970         struct qlcnic_cmd_args cmd;
971         dma_addr_t pci_info_dma_t;
972         struct qlcnic_pci_info_le *npar;
973         void *pci_info_addr;
974         size_t npar_size = sizeof(struct qlcnic_pci_info_le);
975         size_t pci_size = npar_size * QLCNIC_MAX_PCI_FUNC;
976
977         pci_info_addr = dma_zalloc_coherent(&adapter->pdev->dev, pci_size,
978                                             &pci_info_dma_t, GFP_KERNEL);
979         if (!pci_info_addr)
980                 return -ENOMEM;
981
982         npar = pci_info_addr;
983         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_PCI_INFO);
984         if (err)
985                 goto out_free_dma;
986
987         cmd.req.arg[1] = MSD(pci_info_dma_t);
988         cmd.req.arg[2] = LSD(pci_info_dma_t);
989         cmd.req.arg[3] = pci_size;
990         err = qlcnic_issue_cmd(adapter, &cmd);
991
992         adapter->ahw->act_pci_func = 0;
993         if (err == QLCNIC_RCODE_SUCCESS) {
994                 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++, npar++, pci_info++) {
995                         pci_info->id = le16_to_cpu(npar->id);
996                         pci_info->active = le16_to_cpu(npar->active);
997                         pci_info->type = le16_to_cpu(npar->type);
998                         if (pci_info->type == QLCNIC_TYPE_NIC)
999                                 adapter->ahw->act_pci_func++;
1000                         pci_info->default_port =
1001                                 le16_to_cpu(npar->default_port);
1002                         pci_info->tx_min_bw =
1003                                 le16_to_cpu(npar->tx_min_bw);
1004                         pci_info->tx_max_bw =
1005                                 le16_to_cpu(npar->tx_max_bw);
1006                         memcpy(pci_info->mac, npar->mac, ETH_ALEN);
1007                 }
1008         } else {
1009                 dev_err(&adapter->pdev->dev,
1010                         "Failed to get PCI Info%d\n", err);
1011                 err = -EIO;
1012         }
1013
1014         qlcnic_free_mbx_args(&cmd);
1015 out_free_dma:
1016         dma_free_coherent(&adapter->pdev->dev, pci_size, pci_info_addr,
1017                 pci_info_dma_t);
1018
1019         return err;
1020 }
1021
1022 /* Configure eSwitch for port mirroring */
1023 int qlcnic_config_port_mirroring(struct qlcnic_adapter *adapter, u8 id,
1024                                  u8 enable_mirroring, u8 pci_func)
1025 {
1026         struct device *dev = &adapter->pdev->dev;
1027         struct qlcnic_cmd_args cmd;
1028         int err = -EIO;
1029         u32 arg1;
1030
1031         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC ||
1032             !(adapter->eswitch[id].flags & QLCNIC_SWITCH_ENABLE))
1033                 return err;
1034
1035         arg1 = id | (enable_mirroring ? BIT_4 : 0);
1036         arg1 |= pci_func << 8;
1037
1038         err = qlcnic_alloc_mbx_args(&cmd, adapter,
1039                                     QLCNIC_CMD_SET_PORTMIRRORING);
1040         if (err)
1041                 return err;
1042
1043         cmd.req.arg[1] = arg1;
1044         err = qlcnic_issue_cmd(adapter, &cmd);
1045
1046         if (err != QLCNIC_RCODE_SUCCESS)
1047                 dev_err(dev, "Failed to configure port mirroring for vNIC function %d on eSwitch %d\n",
1048                         pci_func, id);
1049         else
1050                 dev_info(dev, "Configured port mirroring for vNIC function %d on eSwitch %d\n",
1051                          pci_func, id);
1052         qlcnic_free_mbx_args(&cmd);
1053
1054         return err;
1055 }
1056
1057 int qlcnic_get_port_stats(struct qlcnic_adapter *adapter, const u8 func,
1058                 const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
1059
1060         size_t stats_size = sizeof(struct qlcnic_esw_stats_le);
1061         struct qlcnic_esw_stats_le *stats;
1062         dma_addr_t stats_dma_t;
1063         void *stats_addr;
1064         u32 arg1;
1065         struct qlcnic_cmd_args cmd;
1066         int err;
1067
1068         if (esw_stats == NULL)
1069                 return -ENOMEM;
1070
1071         if ((adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) &&
1072             (func != adapter->ahw->pci_func)) {
1073                 dev_err(&adapter->pdev->dev,
1074                         "Not privilege to query stats for func=%d", func);
1075                 return -EIO;
1076         }
1077
1078         stats_addr = dma_zalloc_coherent(&adapter->pdev->dev, stats_size,
1079                                          &stats_dma_t, GFP_KERNEL);
1080         if (!stats_addr)
1081                 return -ENOMEM;
1082
1083         arg1 = func | QLCNIC_STATS_VERSION << 8 | QLCNIC_STATS_PORT << 12;
1084         arg1 |= rx_tx << 15 | stats_size << 16;
1085
1086         err = qlcnic_alloc_mbx_args(&cmd, adapter,
1087                                     QLCNIC_CMD_GET_ESWITCH_STATS);
1088         if (err)
1089                 goto out_free_dma;
1090
1091         cmd.req.arg[1] = arg1;
1092         cmd.req.arg[2] = MSD(stats_dma_t);
1093         cmd.req.arg[3] = LSD(stats_dma_t);
1094         err = qlcnic_issue_cmd(adapter, &cmd);
1095
1096         if (!err) {
1097                 stats = stats_addr;
1098                 esw_stats->context_id = le16_to_cpu(stats->context_id);
1099                 esw_stats->version = le16_to_cpu(stats->version);
1100                 esw_stats->size = le16_to_cpu(stats->size);
1101                 esw_stats->multicast_frames =
1102                                 le64_to_cpu(stats->multicast_frames);
1103                 esw_stats->broadcast_frames =
1104                                 le64_to_cpu(stats->broadcast_frames);
1105                 esw_stats->unicast_frames = le64_to_cpu(stats->unicast_frames);
1106                 esw_stats->dropped_frames = le64_to_cpu(stats->dropped_frames);
1107                 esw_stats->local_frames = le64_to_cpu(stats->local_frames);
1108                 esw_stats->errors = le64_to_cpu(stats->errors);
1109                 esw_stats->numbytes = le64_to_cpu(stats->numbytes);
1110         }
1111
1112         qlcnic_free_mbx_args(&cmd);
1113 out_free_dma:
1114         dma_free_coherent(&adapter->pdev->dev, stats_size, stats_addr,
1115                           stats_dma_t);
1116
1117         return err;
1118 }
1119
1120 /* This routine will retrieve the MAC statistics from firmware */
1121 int qlcnic_get_mac_stats(struct qlcnic_adapter *adapter,
1122                 struct qlcnic_mac_statistics *mac_stats)
1123 {
1124         struct qlcnic_mac_statistics_le *stats;
1125         struct qlcnic_cmd_args cmd;
1126         size_t stats_size = sizeof(struct qlcnic_mac_statistics_le);
1127         dma_addr_t stats_dma_t;
1128         void *stats_addr;
1129         int err;
1130
1131         if (mac_stats == NULL)
1132                 return -ENOMEM;
1133
1134         stats_addr = dma_zalloc_coherent(&adapter->pdev->dev, stats_size,
1135                                          &stats_dma_t, GFP_KERNEL);
1136         if (!stats_addr)
1137                 return -ENOMEM;
1138
1139         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_MAC_STATS);
1140         if (err)
1141                 goto out_free_dma;
1142
1143         cmd.req.arg[1] = stats_size << 16;
1144         cmd.req.arg[2] = MSD(stats_dma_t);
1145         cmd.req.arg[3] = LSD(stats_dma_t);
1146         err = qlcnic_issue_cmd(adapter, &cmd);
1147         if (!err) {
1148                 stats = stats_addr;
1149                 mac_stats->mac_tx_frames = le64_to_cpu(stats->mac_tx_frames);
1150                 mac_stats->mac_tx_bytes = le64_to_cpu(stats->mac_tx_bytes);
1151                 mac_stats->mac_tx_mcast_pkts =
1152                                         le64_to_cpu(stats->mac_tx_mcast_pkts);
1153                 mac_stats->mac_tx_bcast_pkts =
1154                                         le64_to_cpu(stats->mac_tx_bcast_pkts);
1155                 mac_stats->mac_rx_frames = le64_to_cpu(stats->mac_rx_frames);
1156                 mac_stats->mac_rx_bytes = le64_to_cpu(stats->mac_rx_bytes);
1157                 mac_stats->mac_rx_mcast_pkts =
1158                                         le64_to_cpu(stats->mac_rx_mcast_pkts);
1159                 mac_stats->mac_rx_length_error =
1160                                 le64_to_cpu(stats->mac_rx_length_error);
1161                 mac_stats->mac_rx_length_small =
1162                                 le64_to_cpu(stats->mac_rx_length_small);
1163                 mac_stats->mac_rx_length_large =
1164                                 le64_to_cpu(stats->mac_rx_length_large);
1165                 mac_stats->mac_rx_jabber = le64_to_cpu(stats->mac_rx_jabber);
1166                 mac_stats->mac_rx_dropped = le64_to_cpu(stats->mac_rx_dropped);
1167                 mac_stats->mac_rx_crc_error = le64_to_cpu(stats->mac_rx_crc_error);
1168         } else {
1169                 dev_err(&adapter->pdev->dev,
1170                         "%s: Get mac stats failed, err=%d.\n", __func__, err);
1171         }
1172
1173         qlcnic_free_mbx_args(&cmd);
1174
1175 out_free_dma:
1176         dma_free_coherent(&adapter->pdev->dev, stats_size, stats_addr,
1177                           stats_dma_t);
1178
1179         return err;
1180 }
1181
1182 int qlcnic_get_eswitch_stats(struct qlcnic_adapter *adapter, const u8 eswitch,
1183                 const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
1184
1185         struct __qlcnic_esw_statistics port_stats;
1186         u8 i;
1187         int ret = -EIO;
1188
1189         if (esw_stats == NULL)
1190                 return -ENOMEM;
1191         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1192                 return -EIO;
1193         if (adapter->npars == NULL)
1194                 return -EIO;
1195
1196         memset(esw_stats, 0, sizeof(u64));
1197         esw_stats->unicast_frames = QLCNIC_STATS_NOT_AVAIL;
1198         esw_stats->multicast_frames = QLCNIC_STATS_NOT_AVAIL;
1199         esw_stats->broadcast_frames = QLCNIC_STATS_NOT_AVAIL;
1200         esw_stats->dropped_frames = QLCNIC_STATS_NOT_AVAIL;
1201         esw_stats->errors = QLCNIC_STATS_NOT_AVAIL;
1202         esw_stats->local_frames = QLCNIC_STATS_NOT_AVAIL;
1203         esw_stats->numbytes = QLCNIC_STATS_NOT_AVAIL;
1204         esw_stats->context_id = eswitch;
1205
1206         for (i = 0; i < adapter->ahw->act_pci_func; i++) {
1207                 if (adapter->npars[i].phy_port != eswitch)
1208                         continue;
1209
1210                 memset(&port_stats, 0, sizeof(struct __qlcnic_esw_statistics));
1211                 if (qlcnic_get_port_stats(adapter, adapter->npars[i].pci_func,
1212                                           rx_tx, &port_stats))
1213                         continue;
1214
1215                 esw_stats->size = port_stats.size;
1216                 esw_stats->version = port_stats.version;
1217                 QLCNIC_ADD_ESW_STATS(esw_stats->unicast_frames,
1218                                                 port_stats.unicast_frames);
1219                 QLCNIC_ADD_ESW_STATS(esw_stats->multicast_frames,
1220                                                 port_stats.multicast_frames);
1221                 QLCNIC_ADD_ESW_STATS(esw_stats->broadcast_frames,
1222                                                 port_stats.broadcast_frames);
1223                 QLCNIC_ADD_ESW_STATS(esw_stats->dropped_frames,
1224                                                 port_stats.dropped_frames);
1225                 QLCNIC_ADD_ESW_STATS(esw_stats->errors,
1226                                                 port_stats.errors);
1227                 QLCNIC_ADD_ESW_STATS(esw_stats->local_frames,
1228                                                 port_stats.local_frames);
1229                 QLCNIC_ADD_ESW_STATS(esw_stats->numbytes,
1230                                                 port_stats.numbytes);
1231                 ret = 0;
1232         }
1233         return ret;
1234 }
1235
1236 int qlcnic_clear_esw_stats(struct qlcnic_adapter *adapter, const u8 func_esw,
1237                 const u8 port, const u8 rx_tx)
1238 {
1239         int err;
1240         u32 arg1;
1241         struct qlcnic_cmd_args cmd;
1242
1243         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1244                 return -EIO;
1245
1246         if (func_esw == QLCNIC_STATS_PORT) {
1247                 if (port >= QLCNIC_MAX_PCI_FUNC)
1248                         goto err_ret;
1249         } else if (func_esw == QLCNIC_STATS_ESWITCH) {
1250                 if (port >= QLCNIC_NIU_MAX_XG_PORTS)
1251                         goto err_ret;
1252         } else {
1253                 goto err_ret;
1254         }
1255
1256         if (rx_tx > QLCNIC_QUERY_TX_COUNTER)
1257                 goto err_ret;
1258
1259         arg1 = port | QLCNIC_STATS_VERSION << 8 | func_esw << 12;
1260         arg1 |= BIT_14 | rx_tx << 15;
1261
1262         err = qlcnic_alloc_mbx_args(&cmd, adapter,
1263                                     QLCNIC_CMD_GET_ESWITCH_STATS);
1264         if (err)
1265                 return err;
1266
1267         cmd.req.arg[1] = arg1;
1268         err = qlcnic_issue_cmd(adapter, &cmd);
1269         qlcnic_free_mbx_args(&cmd);
1270         return err;
1271
1272 err_ret:
1273         dev_err(&adapter->pdev->dev,
1274                 "Invalid args func_esw %d port %d rx_ctx %d\n",
1275                 func_esw, port, rx_tx);
1276         return -EIO;
1277 }
1278
1279 static int __qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
1280                                             u32 *arg1, u32 *arg2)
1281 {
1282         struct device *dev = &adapter->pdev->dev;
1283         struct qlcnic_cmd_args cmd;
1284         u8 pci_func = *arg1 >> 8;
1285         int err;
1286
1287         err = qlcnic_alloc_mbx_args(&cmd, adapter,
1288                                     QLCNIC_CMD_GET_ESWITCH_PORT_CONFIG);
1289         if (err)
1290                 return err;
1291
1292         cmd.req.arg[1] = *arg1;
1293         err = qlcnic_issue_cmd(adapter, &cmd);
1294         *arg1 = cmd.rsp.arg[1];
1295         *arg2 = cmd.rsp.arg[2];
1296         qlcnic_free_mbx_args(&cmd);
1297
1298         if (err == QLCNIC_RCODE_SUCCESS)
1299                 dev_info(dev, "Get eSwitch port config for vNIC function %d\n",
1300                          pci_func);
1301         else
1302                 dev_err(dev, "Failed to get eswitch port config for vNIC function %d\n",
1303                         pci_func);
1304         return err;
1305 }
1306 /* Configure eSwitch port
1307 op_mode = 0 for setting default port behavior
1308 op_mode = 1 for setting  vlan id
1309 op_mode = 2 for deleting vlan id
1310 op_type = 0 for vlan_id
1311 op_type = 1 for port vlan_id
1312 */
1313 int qlcnic_config_switch_port(struct qlcnic_adapter *adapter,
1314                 struct qlcnic_esw_func_cfg *esw_cfg)
1315 {
1316         struct device *dev = &adapter->pdev->dev;
1317         struct qlcnic_cmd_args cmd;
1318         int err = -EIO, index;
1319         u32 arg1, arg2 = 0;
1320         u8 pci_func;
1321
1322         if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1323                 return err;
1324         pci_func = esw_cfg->pci_func;
1325         index = qlcnic_is_valid_nic_func(adapter, pci_func);
1326         if (index < 0)
1327                 return err;
1328         arg1 = (adapter->npars[index].phy_port & BIT_0);
1329         arg1 |= (pci_func << 8);
1330
1331         if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
1332                 return err;
1333         arg1 &= ~(0x0ff << 8);
1334         arg1 |= (pci_func << 8);
1335         arg1 &= ~(BIT_2 | BIT_3);
1336         switch (esw_cfg->op_mode) {
1337         case QLCNIC_PORT_DEFAULTS:
1338                 arg1 |= (BIT_4 | BIT_6 | BIT_7);
1339                 arg2 |= (BIT_0 | BIT_1);
1340                 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)
1341                         arg2 |= (BIT_2 | BIT_3);
1342                 if (!(esw_cfg->discard_tagged))
1343                         arg1 &= ~BIT_4;
1344                 if (!(esw_cfg->promisc_mode))
1345                         arg1 &= ~BIT_6;
1346                 if (!(esw_cfg->mac_override))
1347                         arg1 &= ~BIT_7;
1348                 if (!(esw_cfg->mac_anti_spoof))
1349                         arg2 &= ~BIT_0;
1350                 if (!(esw_cfg->offload_flags & BIT_0))
1351                         arg2 &= ~(BIT_1 | BIT_2 | BIT_3);
1352                 if (!(esw_cfg->offload_flags & BIT_1))
1353                         arg2 &= ~BIT_2;
1354                 if (!(esw_cfg->offload_flags & BIT_2))
1355                         arg2 &= ~BIT_3;
1356                 break;
1357         case QLCNIC_ADD_VLAN:
1358                         arg1 |= (BIT_2 | BIT_5);
1359                         arg1 |= (esw_cfg->vlan_id << 16);
1360                         break;
1361         case QLCNIC_DEL_VLAN:
1362                         arg1 |= (BIT_3 | BIT_5);
1363                         arg1 &= ~(0x0ffff << 16);
1364                         break;
1365         default:
1366                 return err;
1367         }
1368
1369         err = qlcnic_alloc_mbx_args(&cmd, adapter,
1370                                     QLCNIC_CMD_CONFIGURE_ESWITCH);
1371         if (err)
1372                 return err;
1373
1374         cmd.req.arg[1] = arg1;
1375         cmd.req.arg[2] = arg2;
1376         err = qlcnic_issue_cmd(adapter, &cmd);
1377         qlcnic_free_mbx_args(&cmd);
1378
1379         if (err != QLCNIC_RCODE_SUCCESS)
1380                 dev_err(dev, "Failed to configure eswitch for vNIC function %d\n",
1381                         pci_func);
1382         else
1383                 dev_info(dev, "Configured eSwitch for vNIC function %d\n",
1384                          pci_func);
1385
1386         return err;
1387 }
1388
1389 int
1390 qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
1391                         struct qlcnic_esw_func_cfg *esw_cfg)
1392 {
1393         u32 arg1, arg2;
1394         int index;
1395         u8 phy_port;
1396
1397         if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) {
1398                 index = qlcnic_is_valid_nic_func(adapter, esw_cfg->pci_func);
1399                 if (index < 0)
1400                         return -EIO;
1401                 phy_port = adapter->npars[index].phy_port;
1402         } else {
1403                 phy_port = adapter->ahw->physical_port;
1404         }
1405         arg1 = phy_port;
1406         arg1 |= (esw_cfg->pci_func << 8);
1407         if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
1408                 return -EIO;
1409
1410         esw_cfg->discard_tagged = !!(arg1 & BIT_4);
1411         esw_cfg->host_vlan_tag = !!(arg1 & BIT_5);
1412         esw_cfg->promisc_mode = !!(arg1 & BIT_6);
1413         esw_cfg->mac_override = !!(arg1 & BIT_7);
1414         esw_cfg->vlan_id = LSW(arg1 >> 16);
1415         esw_cfg->mac_anti_spoof = (arg2 & 0x1);
1416         esw_cfg->offload_flags = ((arg2 >> 1) & 0x7);
1417
1418         return 0;
1419 }