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 			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 u32
95 qlcnic_poll_rsp(struct qlcnic_adapter *adapter)
96 {
97 	u32 rsp;
98 	int timeout = 0, err = 0;
99 
100 	do {
101 		/* give atleast 1ms for firmware to respond */
102 		mdelay(1);
103 
104 		if (++timeout > QLCNIC_OS_CRB_RETRY_COUNT)
105 			return QLCNIC_CDRP_RSP_TIMEOUT;
106 
107 		rsp = QLCRD32(adapter, QLCNIC_CDRP_CRB_OFFSET, &err);
108 	} while (!QLCNIC_CDRP_IS_RSP(rsp));
109 
110 	return rsp;
111 }
112 
113 int qlcnic_82xx_issue_cmd(struct qlcnic_adapter *adapter,
114 			  struct qlcnic_cmd_args *cmd)
115 {
116 	int i, err = 0;
117 	u32 rsp;
118 	u32 signature;
119 	struct pci_dev *pdev = adapter->pdev;
120 	struct qlcnic_hardware_context *ahw = adapter->ahw;
121 	const char *fmt;
122 
123 	signature = qlcnic_get_cmd_signature(ahw);
124 
125 	/* Acquire semaphore before accessing CRB */
126 	if (qlcnic_api_lock(adapter)) {
127 		cmd->rsp.arg[0] = QLCNIC_RCODE_TIMEOUT;
128 		return cmd->rsp.arg[0];
129 	}
130 
131 	QLCWR32(adapter, QLCNIC_SIGN_CRB_OFFSET, signature);
132 	for (i = 1; i < cmd->req.num; i++)
133 		QLCWR32(adapter, QLCNIC_CDRP_ARG(i), cmd->req.arg[i]);
134 	QLCWR32(adapter, QLCNIC_CDRP_CRB_OFFSET,
135 		QLCNIC_CDRP_FORM_CMD(cmd->req.arg[0]));
136 	rsp = qlcnic_poll_rsp(adapter);
137 
138 	if (rsp == QLCNIC_CDRP_RSP_TIMEOUT) {
139 		dev_err(&pdev->dev, "command timeout, response = 0x%x\n", rsp);
140 		cmd->rsp.arg[0] = QLCNIC_RCODE_TIMEOUT;
141 	} else if (rsp == QLCNIC_CDRP_RSP_FAIL) {
142 		cmd->rsp.arg[0] = QLCRD32(adapter, QLCNIC_CDRP_ARG(1), &err);
143 		switch (cmd->rsp.arg[0]) {
144 		case QLCNIC_RCODE_INVALID_ARGS:
145 			fmt = "CDRP invalid args: [%d]\n";
146 			break;
147 		case QLCNIC_RCODE_NOT_SUPPORTED:
148 		case QLCNIC_RCODE_NOT_IMPL:
149 			fmt = "CDRP command not supported: [%d]\n";
150 			break;
151 		case QLCNIC_RCODE_NOT_PERMITTED:
152 			fmt = "CDRP requested action not permitted: [%d]\n";
153 			break;
154 		case QLCNIC_RCODE_INVALID:
155 			fmt = "CDRP invalid or unknown cmd received: [%d]\n";
156 			break;
157 		case QLCNIC_RCODE_TIMEOUT:
158 			fmt = "CDRP command timeout: [%d]\n";
159 			break;
160 		default:
161 			fmt = "CDRP command failed: [%d]\n";
162 			break;
163 		}
164 		dev_err(&pdev->dev, fmt, cmd->rsp.arg[0]);
165 		qlcnic_dump_mbx(adapter, cmd);
166 	} else if (rsp == QLCNIC_CDRP_RSP_OK)
167 		cmd->rsp.arg[0] = QLCNIC_RCODE_SUCCESS;
168 
169 	for (i = 1; i < cmd->rsp.num; i++)
170 		cmd->rsp.arg[i] = QLCRD32(adapter, QLCNIC_CDRP_ARG(i), &err);
171 
172 	/* Release semaphore */
173 	qlcnic_api_unlock(adapter);
174 	return cmd->rsp.arg[0];
175 }
176 
177 int qlcnic_fw_cmd_set_drv_version(struct qlcnic_adapter *adapter, u32 fw_cmd)
178 {
179 	struct qlcnic_cmd_args cmd;
180 	u32 arg1, arg2, arg3;
181 	char drv_string[12];
182 	int err = 0;
183 
184 	memset(drv_string, 0, sizeof(drv_string));
185 	snprintf(drv_string, sizeof(drv_string), "%d"".""%d"".""%d",
186 		 _QLCNIC_LINUX_MAJOR, _QLCNIC_LINUX_MINOR,
187 		 _QLCNIC_LINUX_SUBVERSION);
188 
189 	err = qlcnic_alloc_mbx_args(&cmd, adapter, fw_cmd);
190 	if (err)
191 		return err;
192 
193 	memcpy(&arg1, drv_string, sizeof(u32));
194 	memcpy(&arg2, drv_string + 4, sizeof(u32));
195 	memcpy(&arg3, drv_string + 8, sizeof(u32));
196 
197 	cmd.req.arg[1] = arg1;
198 	cmd.req.arg[2] = arg2;
199 	cmd.req.arg[3] = arg3;
200 
201 	err = qlcnic_issue_cmd(adapter, &cmd);
202 	if (err) {
203 		dev_info(&adapter->pdev->dev,
204 			 "Failed to set driver version in firmware\n");
205 		err = -EIO;
206 	}
207 	qlcnic_free_mbx_args(&cmd);
208 	return err;
209 }
210 
211 int
212 qlcnic_fw_cmd_set_mtu(struct qlcnic_adapter *adapter, int mtu)
213 {
214 	int err = 0;
215 	struct qlcnic_cmd_args cmd;
216 	struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
217 
218 	if (recv_ctx->state != QLCNIC_HOST_CTX_STATE_ACTIVE)
219 		return err;
220 	err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_MTU);
221 	if (err)
222 		return err;
223 
224 	cmd.req.arg[1] = recv_ctx->context_id;
225 	cmd.req.arg[2] = mtu;
226 
227 	err = qlcnic_issue_cmd(adapter, &cmd);
228 	if (err) {
229 		dev_err(&adapter->pdev->dev, "Failed to set mtu\n");
230 		err = -EIO;
231 	}
232 	qlcnic_free_mbx_args(&cmd);
233 	return err;
234 }
235 
236 int qlcnic_82xx_fw_cmd_create_rx_ctx(struct qlcnic_adapter *adapter)
237 {
238 	struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
239 	struct qlcnic_hardware_context *ahw = adapter->ahw;
240 	dma_addr_t hostrq_phys_addr, cardrsp_phys_addr;
241 	struct net_device *netdev = adapter->netdev;
242 	u32 temp_intr_crb_mode, temp_rds_crb_mode;
243 	struct qlcnic_cardrsp_rds_ring *prsp_rds;
244 	struct qlcnic_cardrsp_sds_ring *prsp_sds;
245 	struct qlcnic_hostrq_rds_ring *prq_rds;
246 	struct qlcnic_hostrq_sds_ring *prq_sds;
247 	struct qlcnic_host_rds_ring *rds_ring;
248 	struct qlcnic_host_sds_ring *sds_ring;
249 	struct qlcnic_cardrsp_rx_ctx *prsp;
250 	struct qlcnic_hostrq_rx_ctx *prq;
251 	u8 i, nrds_rings, nsds_rings;
252 	struct qlcnic_cmd_args cmd;
253 	size_t rq_size, rsp_size;
254 	u32 cap, reg, val, reg2;
255 	u64 phys_addr;
256 	u16 temp_u16;
257 	void *addr;
258 	int err;
259 
260 	nrds_rings = adapter->max_rds_rings;
261 	nsds_rings = adapter->drv_sds_rings;
262 
263 	rq_size = SIZEOF_HOSTRQ_RX(struct qlcnic_hostrq_rx_ctx, nrds_rings,
264 				   nsds_rings);
265 	rsp_size = SIZEOF_CARDRSP_RX(struct qlcnic_cardrsp_rx_ctx, nrds_rings,
266 				     nsds_rings);
267 
268 	addr = dma_alloc_coherent(&adapter->pdev->dev, rq_size,
269 				  &hostrq_phys_addr, GFP_KERNEL);
270 	if (addr == NULL)
271 		return -ENOMEM;
272 	prq = addr;
273 
274 	addr = dma_alloc_coherent(&adapter->pdev->dev, rsp_size,
275 			&cardrsp_phys_addr, GFP_KERNEL);
276 	if (addr == NULL) {
277 		err = -ENOMEM;
278 		goto out_free_rq;
279 	}
280 	prsp = addr;
281 
282 	prq->host_rsp_dma_addr = cpu_to_le64(cardrsp_phys_addr);
283 
284 	cap = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN
285 						| QLCNIC_CAP0_VALIDOFF);
286 	cap |= (QLCNIC_CAP0_JUMBO_CONTIGUOUS | QLCNIC_CAP0_LRO_CONTIGUOUS);
287 
288 	if (qlcnic_check_multi_tx(adapter) &&
289 	    !adapter->ahw->diag_test) {
290 		cap |= QLCNIC_CAP0_TX_MULTI;
291 	} else {
292 		temp_u16 = offsetof(struct qlcnic_hostrq_rx_ctx, msix_handler);
293 		prq->valid_field_offset = cpu_to_le16(temp_u16);
294 		prq->txrx_sds_binding = nsds_rings - 1;
295 		temp_intr_crb_mode = QLCNIC_HOST_INT_CRB_MODE_SHARED;
296 		prq->host_int_crb_mode = cpu_to_le32(temp_intr_crb_mode);
297 		temp_rds_crb_mode = QLCNIC_HOST_RDS_CRB_MODE_UNIQUE;
298 		prq->host_rds_crb_mode = cpu_to_le32(temp_rds_crb_mode);
299 	}
300 
301 	prq->capabilities[0] = cpu_to_le32(cap);
302 
303 	prq->num_rds_rings = cpu_to_le16(nrds_rings);
304 	prq->num_sds_rings = cpu_to_le16(nsds_rings);
305 	prq->rds_ring_offset = 0;
306 
307 	val = le32_to_cpu(prq->rds_ring_offset) +
308 		(sizeof(struct qlcnic_hostrq_rds_ring) * nrds_rings);
309 	prq->sds_ring_offset = cpu_to_le32(val);
310 
311 	prq_rds = (struct qlcnic_hostrq_rds_ring *)(prq->data +
312 			le32_to_cpu(prq->rds_ring_offset));
313 
314 	for (i = 0; i < nrds_rings; i++) {
315 		rds_ring = &recv_ctx->rds_rings[i];
316 		rds_ring->producer = 0;
317 		prq_rds[i].host_phys_addr = cpu_to_le64(rds_ring->phys_addr);
318 		prq_rds[i].ring_size = cpu_to_le32(rds_ring->num_desc);
319 		prq_rds[i].ring_kind = cpu_to_le32(i);
320 		prq_rds[i].buff_size = cpu_to_le64(rds_ring->dma_size);
321 	}
322 
323 	prq_sds = (struct qlcnic_hostrq_sds_ring *)(prq->data +
324 			le32_to_cpu(prq->sds_ring_offset));
325 
326 	for (i = 0; i < nsds_rings; i++) {
327 		sds_ring = &recv_ctx->sds_rings[i];
328 		sds_ring->consumer = 0;
329 		memset(sds_ring->desc_head, 0, STATUS_DESC_RINGSIZE(sds_ring));
330 		prq_sds[i].host_phys_addr = cpu_to_le64(sds_ring->phys_addr);
331 		prq_sds[i].ring_size = cpu_to_le32(sds_ring->num_desc);
332 		if (qlcnic_check_multi_tx(adapter) &&
333 		    !adapter->ahw->diag_test)
334 			prq_sds[i].msi_index = cpu_to_le16(ahw->intr_tbl[i].id);
335 		else
336 			prq_sds[i].msi_index = cpu_to_le16(i);
337 	}
338 
339 	phys_addr = hostrq_phys_addr;
340 	err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_RX_CTX);
341 	if (err)
342 		goto out_free_rsp;
343 
344 	cmd.req.arg[1] = MSD(phys_addr);
345 	cmd.req.arg[2] = LSD(phys_addr);
346 	cmd.req.arg[3] = rq_size;
347 	err = qlcnic_issue_cmd(adapter, &cmd);
348 	if (err) {
349 		dev_err(&adapter->pdev->dev,
350 			"Failed to create rx ctx in firmware%d\n", err);
351 		goto out_free_rsp;
352 	}
353 
354 	prsp_rds = ((struct qlcnic_cardrsp_rds_ring *)
355 			 &prsp->data[le32_to_cpu(prsp->rds_ring_offset)]);
356 
357 	for (i = 0; i < le16_to_cpu(prsp->num_rds_rings); i++) {
358 		rds_ring = &recv_ctx->rds_rings[i];
359 		reg = le32_to_cpu(prsp_rds[i].host_producer_crb);
360 		rds_ring->crb_rcv_producer = ahw->pci_base0 + reg;
361 	}
362 
363 	prsp_sds = ((struct qlcnic_cardrsp_sds_ring *)
364 			&prsp->data[le32_to_cpu(prsp->sds_ring_offset)]);
365 
366 	for (i = 0; i < le16_to_cpu(prsp->num_sds_rings); i++) {
367 		sds_ring = &recv_ctx->sds_rings[i];
368 		reg = le32_to_cpu(prsp_sds[i].host_consumer_crb);
369 		if (qlcnic_check_multi_tx(adapter) && !adapter->ahw->diag_test)
370 			reg2 = ahw->intr_tbl[i].src;
371 		else
372 			reg2 = le32_to_cpu(prsp_sds[i].interrupt_crb);
373 
374 		sds_ring->crb_intr_mask = ahw->pci_base0 + reg2;
375 		sds_ring->crb_sts_consumer = ahw->pci_base0 + reg;
376 	}
377 
378 	recv_ctx->state = le32_to_cpu(prsp->host_ctx_state);
379 	recv_ctx->context_id = le16_to_cpu(prsp->context_id);
380 	recv_ctx->virt_port = prsp->virt_port;
381 
382 	netdev_info(netdev, "Rx Context[%d] Created, state 0x%x\n",
383 		    recv_ctx->context_id, recv_ctx->state);
384 	qlcnic_free_mbx_args(&cmd);
385 
386 out_free_rsp:
387 	dma_free_coherent(&adapter->pdev->dev, rsp_size, prsp,
388 			  cardrsp_phys_addr);
389 out_free_rq:
390 	dma_free_coherent(&adapter->pdev->dev, rq_size, prq, hostrq_phys_addr);
391 
392 	return err;
393 }
394 
395 void qlcnic_82xx_fw_cmd_del_rx_ctx(struct qlcnic_adapter *adapter)
396 {
397 	int err;
398 	struct qlcnic_cmd_args cmd;
399 	struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
400 
401 	err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_RX_CTX);
402 	if (err)
403 		return;
404 
405 	cmd.req.arg[1] = recv_ctx->context_id;
406 	err = qlcnic_issue_cmd(adapter, &cmd);
407 	if (err)
408 		dev_err(&adapter->pdev->dev,
409 			"Failed to destroy rx ctx in firmware\n");
410 
411 	recv_ctx->state = QLCNIC_HOST_CTX_STATE_FREED;
412 	qlcnic_free_mbx_args(&cmd);
413 }
414 
415 int qlcnic_82xx_fw_cmd_create_tx_ctx(struct qlcnic_adapter *adapter,
416 				     struct qlcnic_host_tx_ring *tx_ring,
417 				     int ring)
418 {
419 	struct qlcnic_hardware_context *ahw = adapter->ahw;
420 	struct net_device *netdev = adapter->netdev;
421 	struct qlcnic_hostrq_tx_ctx	*prq;
422 	struct qlcnic_hostrq_cds_ring	*prq_cds;
423 	struct qlcnic_cardrsp_tx_ctx	*prsp;
424 	struct qlcnic_cmd_args cmd;
425 	u32 temp, intr_mask, temp_int_crb_mode;
426 	dma_addr_t rq_phys_addr, rsp_phys_addr;
427 	int temp_nsds_rings, index, err;
428 	void *rq_addr, *rsp_addr;
429 	size_t rq_size, rsp_size;
430 	u64 phys_addr;
431 	u16 msix_id;
432 
433 	/* reset host resources */
434 	tx_ring->producer = 0;
435 	tx_ring->sw_consumer = 0;
436 	*(tx_ring->hw_consumer) = 0;
437 
438 	rq_size = SIZEOF_HOSTRQ_TX(struct qlcnic_hostrq_tx_ctx);
439 	rq_addr = dma_zalloc_coherent(&adapter->pdev->dev, rq_size,
440 				      &rq_phys_addr, GFP_KERNEL);
441 	if (!rq_addr)
442 		return -ENOMEM;
443 
444 	rsp_size = SIZEOF_CARDRSP_TX(struct qlcnic_cardrsp_tx_ctx);
445 	rsp_addr = dma_zalloc_coherent(&adapter->pdev->dev, rsp_size,
446 				       &rsp_phys_addr, GFP_KERNEL);
447 	if (!rsp_addr) {
448 		err = -ENOMEM;
449 		goto out_free_rq;
450 	}
451 
452 	prq = rq_addr;
453 	prsp = rsp_addr;
454 
455 	prq->host_rsp_dma_addr = cpu_to_le64(rsp_phys_addr);
456 
457 	temp = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN |
458 		QLCNIC_CAP0_LSO);
459 	if (qlcnic_check_multi_tx(adapter) && !adapter->ahw->diag_test)
460 		temp |= QLCNIC_CAP0_TX_MULTI;
461 
462 	prq->capabilities[0] = cpu_to_le32(temp);
463 
464 	if (qlcnic_check_multi_tx(adapter) &&
465 	    !adapter->ahw->diag_test) {
466 		temp_nsds_rings = adapter->drv_sds_rings;
467 		index = temp_nsds_rings + ring;
468 		msix_id = ahw->intr_tbl[index].id;
469 		prq->msi_index = cpu_to_le16(msix_id);
470 	} else {
471 		temp_int_crb_mode = QLCNIC_HOST_INT_CRB_MODE_SHARED;
472 		prq->host_int_crb_mode = cpu_to_le32(temp_int_crb_mode);
473 		prq->msi_index = 0;
474 	}
475 
476 	prq->interrupt_ctl = 0;
477 	prq->cmd_cons_dma_addr = cpu_to_le64(tx_ring->hw_cons_phys_addr);
478 
479 	prq_cds = &prq->cds_ring;
480 
481 	prq_cds->host_phys_addr = cpu_to_le64(tx_ring->phys_addr);
482 	prq_cds->ring_size = cpu_to_le32(tx_ring->num_desc);
483 
484 	phys_addr = rq_phys_addr;
485 
486 	err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_TX_CTX);
487 	if (err)
488 		goto out_free_rsp;
489 
490 	cmd.req.arg[1] = MSD(phys_addr);
491 	cmd.req.arg[2] = LSD(phys_addr);
492 	cmd.req.arg[3] = rq_size;
493 	err = qlcnic_issue_cmd(adapter, &cmd);
494 
495 	if (err == QLCNIC_RCODE_SUCCESS) {
496 		tx_ring->state = le32_to_cpu(prsp->host_ctx_state);
497 		temp = le32_to_cpu(prsp->cds_ring.host_producer_crb);
498 		tx_ring->crb_cmd_producer = adapter->ahw->pci_base0 + temp;
499 		tx_ring->ctx_id = le16_to_cpu(prsp->context_id);
500 		if (qlcnic_check_multi_tx(adapter) &&
501 		    !adapter->ahw->diag_test &&
502 		    (adapter->flags & QLCNIC_MSIX_ENABLED)) {
503 			index = adapter->drv_sds_rings + ring;
504 			intr_mask = ahw->intr_tbl[index].src;
505 			tx_ring->crb_intr_mask = ahw->pci_base0 + intr_mask;
506 		}
507 
508 		netdev_info(netdev, "Tx Context[0x%x] Created, state 0x%x\n",
509 			    tx_ring->ctx_id, tx_ring->state);
510 	} else {
511 		netdev_err(netdev, "Failed to create tx ctx in firmware%d\n",
512 			   err);
513 		err = -EIO;
514 	}
515 	qlcnic_free_mbx_args(&cmd);
516 
517 out_free_rsp:
518 	dma_free_coherent(&adapter->pdev->dev, rsp_size, rsp_addr,
519 			  rsp_phys_addr);
520 out_free_rq:
521 	dma_free_coherent(&adapter->pdev->dev, rq_size, rq_addr, rq_phys_addr);
522 
523 	return err;
524 }
525 
526 void qlcnic_82xx_fw_cmd_del_tx_ctx(struct qlcnic_adapter *adapter,
527 				   struct qlcnic_host_tx_ring *tx_ring)
528 {
529 	struct qlcnic_cmd_args cmd;
530 	int ret;
531 
532 	ret = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_TX_CTX);
533 	if (ret)
534 		return;
535 
536 	cmd.req.arg[1] = tx_ring->ctx_id;
537 	if (qlcnic_issue_cmd(adapter, &cmd))
538 		dev_err(&adapter->pdev->dev,
539 			"Failed to destroy tx ctx in firmware\n");
540 	qlcnic_free_mbx_args(&cmd);
541 }
542 
543 int
544 qlcnic_fw_cmd_set_port(struct qlcnic_adapter *adapter, u32 config)
545 {
546 	int err;
547 	struct qlcnic_cmd_args cmd;
548 
549 	err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_PORT);
550 	if (err)
551 		return err;
552 
553 	cmd.req.arg[1] = config;
554 	err = qlcnic_issue_cmd(adapter, &cmd);
555 	qlcnic_free_mbx_args(&cmd);
556 	return err;
557 }
558 
559 int qlcnic_alloc_hw_resources(struct qlcnic_adapter *adapter)
560 {
561 	void *addr;
562 	int err, ring;
563 	struct qlcnic_recv_context *recv_ctx;
564 	struct qlcnic_host_rds_ring *rds_ring;
565 	struct qlcnic_host_sds_ring *sds_ring;
566 	struct qlcnic_host_tx_ring *tx_ring;
567 	__le32 *ptr;
568 
569 	struct pci_dev *pdev = adapter->pdev;
570 
571 	recv_ctx = adapter->recv_ctx;
572 
573 	for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
574 		tx_ring = &adapter->tx_ring[ring];
575 		ptr = (__le32 *)dma_alloc_coherent(&pdev->dev, sizeof(u32),
576 						   &tx_ring->hw_cons_phys_addr,
577 						   GFP_KERNEL);
578 		if (ptr == NULL)
579 			return -ENOMEM;
580 
581 		tx_ring->hw_consumer = ptr;
582 		/* cmd desc ring */
583 		addr = dma_alloc_coherent(&pdev->dev, TX_DESC_RINGSIZE(tx_ring),
584 					  &tx_ring->phys_addr,
585 					  GFP_KERNEL);
586 		if (addr == NULL) {
587 			err = -ENOMEM;
588 			goto err_out_free;
589 		}
590 
591 		tx_ring->desc_head = addr;
592 	}
593 
594 	for (ring = 0; ring < adapter->max_rds_rings; ring++) {
595 		rds_ring = &recv_ctx->rds_rings[ring];
596 		addr = dma_alloc_coherent(&adapter->pdev->dev,
597 					  RCV_DESC_RINGSIZE(rds_ring),
598 					  &rds_ring->phys_addr, GFP_KERNEL);
599 		if (addr == NULL) {
600 			err = -ENOMEM;
601 			goto err_out_free;
602 		}
603 		rds_ring->desc_head = addr;
604 
605 	}
606 
607 	for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
608 		sds_ring = &recv_ctx->sds_rings[ring];
609 
610 		addr = dma_alloc_coherent(&adapter->pdev->dev,
611 					  STATUS_DESC_RINGSIZE(sds_ring),
612 					  &sds_ring->phys_addr, GFP_KERNEL);
613 		if (addr == NULL) {
614 			err = -ENOMEM;
615 			goto err_out_free;
616 		}
617 		sds_ring->desc_head = addr;
618 	}
619 
620 	return 0;
621 
622 err_out_free:
623 	qlcnic_free_hw_resources(adapter);
624 	return err;
625 }
626 
627 int qlcnic_fw_create_ctx(struct qlcnic_adapter *dev)
628 {
629 	int i, err, ring;
630 
631 	if (dev->flags & QLCNIC_NEED_FLR) {
632 		pci_reset_function(dev->pdev);
633 		dev->flags &= ~QLCNIC_NEED_FLR;
634 	}
635 
636 	if (qlcnic_83xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED)) {
637 		if (dev->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
638 			err = qlcnic_83xx_config_intrpt(dev, 1);
639 			if (err)
640 				return err;
641 		}
642 	}
643 
644 	if (qlcnic_82xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED) &&
645 	    qlcnic_check_multi_tx(dev) && !dev->ahw->diag_test) {
646 		err = qlcnic_82xx_mq_intrpt(dev, 1);
647 		if (err)
648 			return err;
649 	}
650 
651 	err = qlcnic_fw_cmd_create_rx_ctx(dev);
652 	if (err)
653 		goto err_out;
654 
655 	for (ring = 0; ring < dev->drv_tx_rings; ring++) {
656 		err = qlcnic_fw_cmd_create_tx_ctx(dev,
657 						  &dev->tx_ring[ring],
658 						  ring);
659 		if (err) {
660 			qlcnic_fw_cmd_del_rx_ctx(dev);
661 			if (ring == 0)
662 				goto err_out;
663 
664 			for (i = 0; i < ring; i++)
665 				qlcnic_fw_cmd_del_tx_ctx(dev, &dev->tx_ring[i]);
666 
667 			goto err_out;
668 		}
669 	}
670 
671 	set_bit(__QLCNIC_FW_ATTACHED, &dev->state);
672 
673 	return 0;
674 
675 err_out:
676 	if (qlcnic_82xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED) &&
677 	    qlcnic_check_multi_tx(dev) && !dev->ahw->diag_test)
678 			qlcnic_82xx_config_intrpt(dev, 0);
679 
680 	if (qlcnic_83xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED)) {
681 		if (dev->ahw->diag_test != QLCNIC_LOOPBACK_TEST)
682 			qlcnic_83xx_config_intrpt(dev, 0);
683 	}
684 
685 	return err;
686 }
687 
688 void qlcnic_fw_destroy_ctx(struct qlcnic_adapter *adapter)
689 {
690 	int ring;
691 
692 	if (test_and_clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) {
693 		qlcnic_fw_cmd_del_rx_ctx(adapter);
694 		for (ring = 0; ring < adapter->drv_tx_rings; ring++)
695 			qlcnic_fw_cmd_del_tx_ctx(adapter,
696 						 &adapter->tx_ring[ring]);
697 
698 		if (qlcnic_82xx_check(adapter) &&
699 		    (adapter->flags & QLCNIC_MSIX_ENABLED) &&
700 		    qlcnic_check_multi_tx(adapter) &&
701 		    !adapter->ahw->diag_test)
702 				qlcnic_82xx_config_intrpt(adapter, 0);
703 
704 		if (qlcnic_83xx_check(adapter) &&
705 		    (adapter->flags & QLCNIC_MSIX_ENABLED)) {
706 			if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST)
707 				qlcnic_83xx_config_intrpt(adapter, 0);
708 		}
709 		/* Allow dma queues to drain after context reset */
710 		mdelay(20);
711 	}
712 }
713 
714 void qlcnic_free_hw_resources(struct qlcnic_adapter *adapter)
715 {
716 	struct qlcnic_recv_context *recv_ctx;
717 	struct qlcnic_host_rds_ring *rds_ring;
718 	struct qlcnic_host_sds_ring *sds_ring;
719 	struct qlcnic_host_tx_ring *tx_ring;
720 	int ring;
721 
722 	recv_ctx = adapter->recv_ctx;
723 
724 	for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
725 		tx_ring = &adapter->tx_ring[ring];
726 		if (tx_ring->hw_consumer != NULL) {
727 			dma_free_coherent(&adapter->pdev->dev, sizeof(u32),
728 					  tx_ring->hw_consumer,
729 					  tx_ring->hw_cons_phys_addr);
730 
731 			tx_ring->hw_consumer = NULL;
732 		}
733 
734 		if (tx_ring->desc_head != NULL) {
735 			dma_free_coherent(&adapter->pdev->dev,
736 					  TX_DESC_RINGSIZE(tx_ring),
737 					  tx_ring->desc_head,
738 					  tx_ring->phys_addr);
739 			tx_ring->desc_head = NULL;
740 		}
741 	}
742 
743 	for (ring = 0; ring < adapter->max_rds_rings; ring++) {
744 		rds_ring = &recv_ctx->rds_rings[ring];
745 
746 		if (rds_ring->desc_head != NULL) {
747 			dma_free_coherent(&adapter->pdev->dev,
748 					RCV_DESC_RINGSIZE(rds_ring),
749 					rds_ring->desc_head,
750 					rds_ring->phys_addr);
751 			rds_ring->desc_head = NULL;
752 		}
753 	}
754 
755 	for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
756 		sds_ring = &recv_ctx->sds_rings[ring];
757 
758 		if (sds_ring->desc_head != NULL) {
759 			dma_free_coherent(&adapter->pdev->dev,
760 				STATUS_DESC_RINGSIZE(sds_ring),
761 				sds_ring->desc_head,
762 				sds_ring->phys_addr);
763 			sds_ring->desc_head = NULL;
764 		}
765 	}
766 }
767 
768 int qlcnic_82xx_config_intrpt(struct qlcnic_adapter *adapter, u8 op_type)
769 {
770 	struct qlcnic_hardware_context *ahw = adapter->ahw;
771 	struct net_device *netdev = adapter->netdev;
772 	struct qlcnic_cmd_args cmd;
773 	u32 type, val;
774 	int i, err = 0;
775 
776 	for (i = 0; i < ahw->num_msix; i++) {
777 		qlcnic_alloc_mbx_args(&cmd, adapter,
778 				      QLCNIC_CMD_MQ_TX_CONFIG_INTR);
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 }
1429