xref: /f-stack/dpdk/drivers/net/qede/base/ecore_dcbx.c (revision 8850115b)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright (c) 2016 - 2018 Cavium Inc.
3  * All rights reserved.
4  * www.cavium.com
5  */
6 
7 #include "bcm_osal.h"
8 #include "ecore.h"
9 #include "ecore_sp_commands.h"
10 #include "ecore_dcbx.h"
11 #include "ecore_cxt.h"
12 #include "ecore_gtt_reg_addr.h"
13 #include "ecore_iro.h"
14 #include "ecore_iov_api.h"
15 
16 #define ECORE_DCBX_MAX_MIB_READ_TRY	(100)
17 #define ECORE_ETH_TYPE_DEFAULT		(0)
18 
19 #define ECORE_DCBX_INVALID_PRIORITY	0xFF
20 
21 /* Get Traffic Class from priority traffic class table, 4 bits represent
22  * the traffic class corresponding to the priority.
23  */
24 #define ECORE_DCBX_PRIO2TC(prio_tc_tbl, prio) \
25 		((u32)(prio_tc_tbl >> ((7 - prio) * 4)) & 0x7)
26 
27 static bool ecore_dcbx_app_ethtype(u32 app_info_bitmap)
28 {
29 	return !!(GET_MFW_FIELD(app_info_bitmap, DCBX_APP_SF) ==
30 		  DCBX_APP_SF_ETHTYPE);
31 }
32 
33 static bool ecore_dcbx_ieee_app_ethtype(u32 app_info_bitmap)
34 {
35 	u8 mfw_val = GET_MFW_FIELD(app_info_bitmap, DCBX_APP_SF_IEEE);
36 
37 	/* Old MFW */
38 	if (mfw_val == DCBX_APP_SF_IEEE_RESERVED)
39 		return ecore_dcbx_app_ethtype(app_info_bitmap);
40 
41 	return !!(mfw_val == DCBX_APP_SF_IEEE_ETHTYPE);
42 }
43 
44 static bool ecore_dcbx_app_port(u32 app_info_bitmap)
45 {
46 	return !!(GET_MFW_FIELD(app_info_bitmap, DCBX_APP_SF) ==
47 		  DCBX_APP_SF_PORT);
48 }
49 
50 static bool ecore_dcbx_ieee_app_port(u32 app_info_bitmap, u8 type)
51 {
52 	u8 mfw_val = GET_MFW_FIELD(app_info_bitmap, DCBX_APP_SF_IEEE);
53 
54 	/* Old MFW */
55 	if (mfw_val == DCBX_APP_SF_IEEE_RESERVED)
56 		return ecore_dcbx_app_port(app_info_bitmap);
57 
58 	return !!(mfw_val == type || mfw_val == DCBX_APP_SF_IEEE_TCP_UDP_PORT);
59 }
60 
61 static bool ecore_dcbx_default_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
62 {
63 	bool ethtype;
64 
65 	if (ieee)
66 		ethtype = ecore_dcbx_ieee_app_ethtype(app_info_bitmap);
67 	else
68 		ethtype = ecore_dcbx_app_ethtype(app_info_bitmap);
69 
70 	return !!(ethtype && (proto_id == ECORE_ETH_TYPE_DEFAULT));
71 }
72 
73 static bool ecore_dcbx_iwarp_tlv(struct ecore_hwfn *p_hwfn, u32 app_info_bitmap,
74 				 u16 proto_id, bool ieee)
75 {
76 	bool port;
77 
78 	if (!p_hwfn->p_dcbx_info->iwarp_port)
79 		return false;
80 
81 	if (ieee)
82 		port = ecore_dcbx_ieee_app_port(app_info_bitmap,
83 						DCBX_APP_SF_IEEE_TCP_PORT);
84 	else
85 		port = ecore_dcbx_app_port(app_info_bitmap);
86 
87 	return !!(port && (proto_id == p_hwfn->p_dcbx_info->iwarp_port));
88 }
89 
90 static void
91 ecore_dcbx_dp_protocol(struct ecore_hwfn *p_hwfn,
92 		       struct ecore_dcbx_results *p_data)
93 {
94 	enum dcbx_protocol_type id;
95 	int i;
96 
97 	DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "DCBX negotiated: %d\n",
98 		   p_data->dcbx_enabled);
99 
100 	for (i = 0; i < OSAL_ARRAY_SIZE(ecore_dcbx_app_update); i++) {
101 		id = ecore_dcbx_app_update[i].id;
102 
103 		DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
104 			   "%s info: update %d, enable %d, prio %d, tc %d,"
105 			   " num_active_tc %d dscp_enable = %d dscp_val = %d\n",
106 			   ecore_dcbx_app_update[i].name,
107 			   p_data->arr[id].update,
108 			   p_data->arr[id].enable, p_data->arr[id].priority,
109 			   p_data->arr[id].tc, p_hwfn->hw_info.num_active_tc,
110 			   p_data->arr[id].dscp_enable,
111 			   p_data->arr[id].dscp_val);
112 	}
113 }
114 
115 u8 ecore_dcbx_get_dscp_value(struct ecore_hwfn *p_hwfn, u8 pri)
116 {
117 	struct ecore_dcbx_dscp_params *dscp = &p_hwfn->p_dcbx_info->get.dscp;
118 	u8 i;
119 
120 	if (!dscp->enabled)
121 		return ECORE_DCBX_DSCP_DISABLED;
122 
123 	for (i = 0; i < ECORE_DCBX_DSCP_SIZE; i++)
124 		if (pri == dscp->dscp_pri_map[i])
125 			return i;
126 
127 	return ECORE_DCBX_DSCP_DISABLED;
128 }
129 
130 static void
131 ecore_dcbx_set_params(struct ecore_dcbx_results *p_data,
132 		      struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
133 		      bool enable, u8 prio, u8 tc,
134 		      enum dcbx_protocol_type type,
135 		      enum ecore_pci_personality personality)
136 {
137 	/* PF update ramrod data */
138 	p_data->arr[type].enable = enable;
139 	p_data->arr[type].priority = prio;
140 	p_data->arr[type].tc = tc;
141 	p_data->arr[type].dscp_val = ecore_dcbx_get_dscp_value(p_hwfn, prio);
142 	if (p_data->arr[type].dscp_val == ECORE_DCBX_DSCP_DISABLED) {
143 		p_data->arr[type].dscp_enable = false;
144 		p_data->arr[type].dscp_val = 0;
145 	} else {
146 		p_data->arr[type].dscp_enable = true;
147 	}
148 	p_data->arr[type].update = UPDATE_DCB_DSCP;
149 
150 	/* Do not add valn tag 0 when DCB is enabled and port is in UFP mode */
151 	if (OSAL_TEST_BIT(ECORE_MF_UFP_SPECIFIC, &p_hwfn->p_dev->mf_bits))
152 		p_data->arr[type].dont_add_vlan0 = true;
153 
154 	/* QM reconf data */
155 	if (p_hwfn->hw_info.personality == personality)
156 		p_hwfn->hw_info.offload_tc = tc;
157 
158 	/* Configure dcbx vlan priority in doorbell block for roce EDPM */
159 	if (OSAL_TEST_BIT(ECORE_MF_UFP_SPECIFIC, &p_hwfn->p_dev->mf_bits) &&
160 	    (type == DCBX_PROTOCOL_ROCE)) {
161 		ecore_wr(p_hwfn, p_ptt, DORQ_REG_TAG1_OVRD_MODE, 1);
162 		ecore_wr(p_hwfn, p_ptt, DORQ_REG_PF_PCP_BB_K2, prio << 1);
163 	}
164 }
165 
166 /* Update app protocol data and hw_info fields with the TLV info */
167 static void
168 ecore_dcbx_update_app_info(struct ecore_dcbx_results *p_data,
169 			   struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
170 			   bool enable, u8 prio, u8 tc,
171 			   enum dcbx_protocol_type type)
172 {
173 	enum ecore_pci_personality personality;
174 	enum dcbx_protocol_type id;
175 	int i;
176 
177 	for (i = 0; i < OSAL_ARRAY_SIZE(ecore_dcbx_app_update); i++) {
178 		id = ecore_dcbx_app_update[i].id;
179 
180 		if (type != id)
181 			continue;
182 
183 		personality = ecore_dcbx_app_update[i].personality;
184 
185 		ecore_dcbx_set_params(p_data, p_hwfn, p_ptt, enable,
186 				      prio, tc, type, personality);
187 	}
188 }
189 
190 static enum _ecore_status_t
191 ecore_dcbx_get_app_priority(u8 pri_bitmap, u8 *priority)
192 {
193 	u32 pri_mask, pri = ECORE_MAX_PFC_PRIORITIES;
194 	u32 index = ECORE_MAX_PFC_PRIORITIES - 1;
195 	enum _ecore_status_t rc = ECORE_SUCCESS;
196 
197 	/* Bitmap 1 corresponds to priority 0, return priority 0 */
198 	if (pri_bitmap == 1) {
199 		*priority = 0;
200 		return rc;
201 	}
202 
203 	/* Choose the highest priority */
204 	while ((pri == ECORE_MAX_PFC_PRIORITIES) && index) {
205 		pri_mask = 1 << index;
206 		if (pri_bitmap & pri_mask)
207 			pri = index;
208 		index--;
209 	}
210 
211 	if (pri < ECORE_MAX_PFC_PRIORITIES)
212 		*priority = (u8)pri;
213 	else
214 		rc = ECORE_INVAL;
215 
216 	return rc;
217 }
218 
219 static bool
220 ecore_dcbx_get_app_protocol_type(struct ecore_hwfn *p_hwfn,
221 				 u32 app_prio_bitmap, u16 id,
222 				 enum dcbx_protocol_type *type, bool ieee)
223 {
224 	if (ecore_dcbx_default_tlv(app_prio_bitmap, id, ieee)) {
225 		*type = DCBX_PROTOCOL_ETH;
226 	} else {
227 		*type = DCBX_MAX_PROTOCOL_TYPE;
228 		DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
229 			    "No action required, App TLV entry = 0x%x\n",
230 			   app_prio_bitmap);
231 		return false;
232 	}
233 
234 	return true;
235 }
236 
237 /* Parse app TLV's to update TC information in hw_info structure for
238  * reconfiguring QM. Get protocol specific data for PF update ramrod command.
239  */
240 static enum _ecore_status_t
241 ecore_dcbx_process_tlv(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
242 		       struct ecore_dcbx_results *p_data,
243 		       struct dcbx_app_priority_entry *p_tbl, u32 pri_tc_tbl,
244 		       int count, u8 dcbx_version)
245 {
246 	enum dcbx_protocol_type type;
247 	bool enable, ieee, eth_tlv;
248 	u8 tc, priority_map;
249 	u16 protocol_id;
250 	u8 priority;
251 	enum _ecore_status_t rc = ECORE_SUCCESS;
252 	int i;
253 
254 	DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
255 		   "Num APP entries = %d pri_tc_tbl = 0x%x dcbx_version = %u\n",
256 		   count, pri_tc_tbl, dcbx_version);
257 
258 	ieee = (dcbx_version == DCBX_CONFIG_VERSION_IEEE);
259 	eth_tlv = false;
260 	/* Parse APP TLV */
261 	for (i = 0; i < count; i++) {
262 		protocol_id = GET_MFW_FIELD(p_tbl[i].entry,
263 					    DCBX_APP_PROTOCOL_ID);
264 		priority_map = GET_MFW_FIELD(p_tbl[i].entry, DCBX_APP_PRI_MAP);
265 		DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "Id = 0x%x pri_map = %u\n",
266 			   protocol_id, priority_map);
267 		rc = ecore_dcbx_get_app_priority(priority_map, &priority);
268 		if (rc == ECORE_INVAL) {
269 			DP_ERR(p_hwfn, "Invalid priority\n");
270 			return ECORE_INVAL;
271 		}
272 
273 		tc = ECORE_DCBX_PRIO2TC(pri_tc_tbl, priority);
274 		if (ecore_dcbx_get_app_protocol_type(p_hwfn, p_tbl[i].entry,
275 						     protocol_id, &type,
276 						     ieee)) {
277 			/* ETH always have the enable bit reset, as it gets
278 			 * vlan information per packet. For other protocols,
279 			 * should be set according to the dcbx_enabled
280 			 * indication, but we only got here if there was an
281 			 * app tlv for the protocol, so dcbx must be enabled.
282 			 */
283 			if (type == DCBX_PROTOCOL_ETH) {
284 				enable = false;
285 				eth_tlv = true;
286 			} else {
287 				enable = true;
288 			}
289 
290 			ecore_dcbx_update_app_info(p_data, p_hwfn, p_ptt,
291 						   enable, priority, tc, type);
292 		}
293 	}
294 
295 	/* If Eth TLV is not detected, use UFP TC as default TC */
296 	if (OSAL_TEST_BIT(ECORE_MF_UFP_SPECIFIC,
297 			  &p_hwfn->p_dev->mf_bits) && !eth_tlv)
298 		p_data->arr[DCBX_PROTOCOL_ETH].tc = p_hwfn->ufp_info.tc;
299 
300 	/* Update ramrod protocol data and hw_info fields
301 	 * with default info when corresponding APP TLV's are not detected.
302 	 * The enabled field has a different logic for ethernet as only for
303 	 * ethernet dcb should disabled by default, as the information arrives
304 	 * from the OS (unless an explicit app tlv was present).
305 	 */
306 	tc = p_data->arr[DCBX_PROTOCOL_ETH].tc;
307 	priority = p_data->arr[DCBX_PROTOCOL_ETH].priority;
308 	for (type = 0; type < DCBX_MAX_PROTOCOL_TYPE; type++) {
309 		if (p_data->arr[type].update)
310 			continue;
311 
312 		/* if no app tlv was present, don't override in FW */
313 		ecore_dcbx_update_app_info(p_data, p_hwfn, p_ptt, false,
314 					   priority, tc, type);
315 	}
316 
317 	return ECORE_SUCCESS;
318 }
319 
320 /* Parse app TLV's to update TC information in hw_info structure for
321  * reconfiguring QM. Get protocol specific data for PF update ramrod command.
322  */
323 static enum _ecore_status_t
324 ecore_dcbx_process_mib_info(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt)
325 {
326 	struct dcbx_app_priority_feature *p_app;
327 	struct dcbx_app_priority_entry *p_tbl;
328 	struct ecore_dcbx_results data;
329 	struct dcbx_ets_feature *p_ets;
330 	struct ecore_hw_info *p_info;
331 	u32 pri_tc_tbl, flags;
332 	u8 dcbx_version;
333 	int num_entries;
334 	enum _ecore_status_t rc = ECORE_SUCCESS;
335 
336 	flags = p_hwfn->p_dcbx_info->operational.flags;
337 	dcbx_version = GET_MFW_FIELD(flags, DCBX_CONFIG_VERSION);
338 
339 	p_app = &p_hwfn->p_dcbx_info->operational.features.app;
340 	p_tbl = p_app->app_pri_tbl;
341 
342 	p_ets = &p_hwfn->p_dcbx_info->operational.features.ets;
343 	pri_tc_tbl = p_ets->pri_tc_tbl[0];
344 
345 	p_info = &p_hwfn->hw_info;
346 	num_entries = GET_MFW_FIELD(p_app->flags, DCBX_APP_NUM_ENTRIES);
347 
348 	OSAL_MEMSET(&data, 0, sizeof(struct ecore_dcbx_results));
349 	rc = ecore_dcbx_process_tlv(p_hwfn, p_ptt, &data, p_tbl, pri_tc_tbl,
350 				    num_entries, dcbx_version);
351 	if (rc != ECORE_SUCCESS)
352 		return rc;
353 
354 	p_info->num_active_tc = GET_MFW_FIELD(p_ets->flags, DCBX_ETS_MAX_TCS);
355 	p_hwfn->qm_info.ooo_tc = GET_MFW_FIELD(p_ets->flags, DCBX_OOO_TC);
356 	data.pf_id = p_hwfn->rel_pf_id;
357 	data.dcbx_enabled = !!dcbx_version;
358 
359 	ecore_dcbx_dp_protocol(p_hwfn, &data);
360 
361 	OSAL_MEMCPY(&p_hwfn->p_dcbx_info->results, &data,
362 		    sizeof(struct ecore_dcbx_results));
363 
364 	return ECORE_SUCCESS;
365 }
366 
367 static enum _ecore_status_t
368 ecore_dcbx_copy_mib(struct ecore_hwfn *p_hwfn,
369 		    struct ecore_ptt *p_ptt,
370 		    struct ecore_dcbx_mib_meta_data *p_data,
371 		    enum ecore_mib_read_type type)
372 {
373 	u32 prefix_seq_num, suffix_seq_num;
374 	int read_count = 0;
375 	enum _ecore_status_t rc = ECORE_SUCCESS;
376 
377 	/* The data is considered to be valid only if both sequence numbers are
378 	 * the same.
379 	 */
380 	do {
381 		if (type == ECORE_DCBX_REMOTE_LLDP_MIB) {
382 			ecore_memcpy_from(p_hwfn, p_ptt, p_data->lldp_remote,
383 					  p_data->addr, p_data->size);
384 			prefix_seq_num = p_data->lldp_remote->prefix_seq_num;
385 			suffix_seq_num = p_data->lldp_remote->suffix_seq_num;
386 		} else if (type == ECORE_DCBX_LLDP_TLVS) {
387 			ecore_memcpy_from(p_hwfn, p_ptt, p_data->lldp_tlvs,
388 					  p_data->addr, p_data->size);
389 			prefix_seq_num = p_data->lldp_tlvs->prefix_seq_num;
390 			suffix_seq_num = p_data->lldp_tlvs->suffix_seq_num;
391 
392 		} else {
393 			ecore_memcpy_from(p_hwfn, p_ptt, p_data->mib,
394 					  p_data->addr, p_data->size);
395 			prefix_seq_num = p_data->mib->prefix_seq_num;
396 			suffix_seq_num = p_data->mib->suffix_seq_num;
397 		}
398 		read_count++;
399 
400 		DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
401 			   "mib type = %d, try count = %d prefix seq num  ="
402 			   " %d suffix seq num = %d\n",
403 			   type, read_count, prefix_seq_num, suffix_seq_num);
404 	} while ((prefix_seq_num != suffix_seq_num) &&
405 		 (read_count < ECORE_DCBX_MAX_MIB_READ_TRY));
406 
407 	if (read_count >= ECORE_DCBX_MAX_MIB_READ_TRY) {
408 		DP_ERR(p_hwfn,
409 		       "MIB read err, mib type = %d, try count ="
410 		       " %d prefix seq num = %d suffix seq num = %d\n",
411 		       type, read_count, prefix_seq_num, suffix_seq_num);
412 		rc = ECORE_IO;
413 	}
414 
415 	return rc;
416 }
417 
418 static void
419 ecore_dcbx_get_priority_info(struct ecore_hwfn *p_hwfn,
420 			     struct ecore_dcbx_app_prio *p_prio,
421 			     struct ecore_dcbx_results *p_results)
422 {
423 	u8 val;
424 
425 	if (p_results->arr[DCBX_PROTOCOL_ETH].update &&
426 	    p_results->arr[DCBX_PROTOCOL_ETH].enable)
427 		p_prio->eth = p_results->arr[DCBX_PROTOCOL_ETH].priority;
428 
429 	DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
430 		   "Priorities: eth %d\n",
431 		   p_prio->eth);
432 }
433 
434 static void
435 ecore_dcbx_get_app_data(struct ecore_hwfn *p_hwfn,
436 			struct dcbx_app_priority_feature *p_app,
437 			struct dcbx_app_priority_entry *p_tbl,
438 			struct ecore_dcbx_params *p_params, bool ieee)
439 {
440 	struct ecore_app_entry *entry;
441 	u8 pri_map;
442 	int i;
443 
444 	p_params->app_willing = GET_MFW_FIELD(p_app->flags, DCBX_APP_WILLING);
445 	p_params->app_valid = GET_MFW_FIELD(p_app->flags, DCBX_APP_ENABLED);
446 	p_params->app_error = GET_MFW_FIELD(p_app->flags, DCBX_APP_ERROR);
447 	p_params->num_app_entries = GET_MFW_FIELD(p_app->flags,
448 						  DCBX_APP_NUM_ENTRIES);
449 	for (i = 0; i < p_params->num_app_entries; i++) {
450 		entry = &p_params->app_entry[i];
451 		if (ieee) {
452 			u8 sf_ieee;
453 			u32 val;
454 
455 			sf_ieee = GET_MFW_FIELD(p_tbl[i].entry,
456 						DCBX_APP_SF_IEEE);
457 			switch (sf_ieee) {
458 			case DCBX_APP_SF_IEEE_RESERVED:
459 				/* Old MFW */
460 				val = GET_MFW_FIELD(p_tbl[i].entry,
461 						    DCBX_APP_SF);
462 				entry->sf_ieee = val ?
463 					ECORE_DCBX_SF_IEEE_TCP_UDP_PORT :
464 					ECORE_DCBX_SF_IEEE_ETHTYPE;
465 				break;
466 			case DCBX_APP_SF_IEEE_ETHTYPE:
467 				entry->sf_ieee = ECORE_DCBX_SF_IEEE_ETHTYPE;
468 				break;
469 			case DCBX_APP_SF_IEEE_TCP_PORT:
470 				entry->sf_ieee = ECORE_DCBX_SF_IEEE_TCP_PORT;
471 				break;
472 			case DCBX_APP_SF_IEEE_UDP_PORT:
473 				entry->sf_ieee = ECORE_DCBX_SF_IEEE_UDP_PORT;
474 				break;
475 			case DCBX_APP_SF_IEEE_TCP_UDP_PORT:
476 				entry->sf_ieee =
477 						ECORE_DCBX_SF_IEEE_TCP_UDP_PORT;
478 				break;
479 			}
480 		} else {
481 			entry->ethtype = !(GET_MFW_FIELD(p_tbl[i].entry,
482 							 DCBX_APP_SF));
483 		}
484 
485 		pri_map = GET_MFW_FIELD(p_tbl[i].entry, DCBX_APP_PRI_MAP);
486 		ecore_dcbx_get_app_priority(pri_map, &entry->prio);
487 		entry->proto_id = GET_MFW_FIELD(p_tbl[i].entry,
488 						DCBX_APP_PROTOCOL_ID);
489 		ecore_dcbx_get_app_protocol_type(p_hwfn, p_tbl[i].entry,
490 						 entry->proto_id,
491 						 &entry->proto_type, ieee);
492 	}
493 
494 	DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
495 		   "APP params: willing %d, valid %d error = %d\n",
496 		   p_params->app_willing, p_params->app_valid,
497 		   p_params->app_error);
498 }
499 
500 static void
501 ecore_dcbx_get_pfc_data(struct ecore_hwfn *p_hwfn,
502 			u32 pfc, struct ecore_dcbx_params *p_params)
503 {
504 	u8 pfc_map;
505 
506 	p_params->pfc.willing = GET_MFW_FIELD(pfc, DCBX_PFC_WILLING);
507 	p_params->pfc.max_tc = GET_MFW_FIELD(pfc, DCBX_PFC_CAPS);
508 	p_params->pfc.enabled = GET_MFW_FIELD(pfc, DCBX_PFC_ENABLED);
509 	pfc_map = GET_MFW_FIELD(pfc, DCBX_PFC_PRI_EN_BITMAP);
510 	p_params->pfc.prio[0] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_0);
511 	p_params->pfc.prio[1] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_1);
512 	p_params->pfc.prio[2] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_2);
513 	p_params->pfc.prio[3] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_3);
514 	p_params->pfc.prio[4] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_4);
515 	p_params->pfc.prio[5] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_5);
516 	p_params->pfc.prio[6] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_6);
517 	p_params->pfc.prio[7] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_7);
518 
519 	DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
520 		   "PFC params: willing %d, pfc_bitmap %u max_tc = %u enabled = %d\n",
521 		   p_params->pfc.willing, pfc_map, p_params->pfc.max_tc,
522 		   p_params->pfc.enabled);
523 }
524 
525 static void
526 ecore_dcbx_get_ets_data(struct ecore_hwfn *p_hwfn,
527 			struct dcbx_ets_feature *p_ets,
528 			struct ecore_dcbx_params *p_params)
529 {
530 	u32 bw_map[2], tsa_map[2], pri_map;
531 	int i;
532 
533 	p_params->ets_willing = GET_MFW_FIELD(p_ets->flags, DCBX_ETS_WILLING);
534 	p_params->ets_enabled = GET_MFW_FIELD(p_ets->flags, DCBX_ETS_ENABLED);
535 	p_params->ets_cbs = GET_MFW_FIELD(p_ets->flags, DCBX_ETS_CBS);
536 	p_params->max_ets_tc = GET_MFW_FIELD(p_ets->flags, DCBX_ETS_MAX_TCS);
537 	DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
538 		   "ETS params: willing %d, enabled = %d ets_cbs %d pri_tc_tbl_0 %x max_ets_tc %d\n",
539 		   p_params->ets_willing, p_params->ets_enabled,
540 		   p_params->ets_cbs, p_ets->pri_tc_tbl[0],
541 		   p_params->max_ets_tc);
542 
543 	/* 8 bit tsa and bw data corresponding to each of the 8 TC's are
544 	 * encoded in a type u32 array of size 2.
545 	 */
546 	bw_map[0] = OSAL_BE32_TO_CPU(p_ets->tc_bw_tbl[0]);
547 	bw_map[1] = OSAL_BE32_TO_CPU(p_ets->tc_bw_tbl[1]);
548 	tsa_map[0] = OSAL_BE32_TO_CPU(p_ets->tc_tsa_tbl[0]);
549 	tsa_map[1] = OSAL_BE32_TO_CPU(p_ets->tc_tsa_tbl[1]);
550 	pri_map = p_ets->pri_tc_tbl[0];
551 	for (i = 0; i < ECORE_MAX_PFC_PRIORITIES; i++) {
552 		p_params->ets_tc_bw_tbl[i] = ((u8 *)bw_map)[i];
553 		p_params->ets_tc_tsa_tbl[i] = ((u8 *)tsa_map)[i];
554 		p_params->ets_pri_tc_tbl[i] = ECORE_DCBX_PRIO2TC(pri_map, i);
555 		DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
556 			   "elem %d  bw_tbl %x tsa_tbl %x\n",
557 			   i, p_params->ets_tc_bw_tbl[i],
558 			   p_params->ets_tc_tsa_tbl[i]);
559 	}
560 }
561 
562 static void
563 ecore_dcbx_get_common_params(struct ecore_hwfn *p_hwfn,
564 			     struct dcbx_app_priority_feature *p_app,
565 			     struct dcbx_app_priority_entry *p_tbl,
566 			     struct dcbx_ets_feature *p_ets,
567 			     u32 pfc, struct ecore_dcbx_params *p_params,
568 			     bool ieee)
569 {
570 	ecore_dcbx_get_app_data(p_hwfn, p_app, p_tbl, p_params, ieee);
571 	ecore_dcbx_get_ets_data(p_hwfn, p_ets, p_params);
572 	ecore_dcbx_get_pfc_data(p_hwfn, pfc, p_params);
573 }
574 
575 static void
576 ecore_dcbx_get_local_params(struct ecore_hwfn *p_hwfn,
577 			    struct ecore_dcbx_get *params)
578 {
579 	struct dcbx_features *p_feat;
580 
581 	p_feat = &p_hwfn->p_dcbx_info->local_admin.features;
582 	ecore_dcbx_get_common_params(p_hwfn, &p_feat->app,
583 				     p_feat->app.app_pri_tbl, &p_feat->ets,
584 				     p_feat->pfc, &params->local.params, false);
585 	params->local.valid = true;
586 }
587 
588 static void
589 ecore_dcbx_get_remote_params(struct ecore_hwfn *p_hwfn,
590 			     struct ecore_dcbx_get *params)
591 {
592 	struct dcbx_features *p_feat;
593 
594 	p_feat = &p_hwfn->p_dcbx_info->remote.features;
595 	ecore_dcbx_get_common_params(p_hwfn, &p_feat->app,
596 				     p_feat->app.app_pri_tbl, &p_feat->ets,
597 				     p_feat->pfc, &params->remote.params,
598 				     false);
599 	params->remote.valid = true;
600 }
601 
602 static void  ecore_dcbx_get_dscp_params(struct ecore_hwfn *p_hwfn,
603 					struct ecore_dcbx_get *params)
604 {
605 	struct ecore_dcbx_dscp_params *p_dscp;
606 	struct dcb_dscp_map *p_dscp_map;
607 	int i, j, entry;
608 	u32 pri_map;
609 
610 	p_dscp = &params->dscp;
611 	p_dscp_map = &p_hwfn->p_dcbx_info->dscp_map;
612 	p_dscp->enabled = GET_MFW_FIELD(p_dscp_map->flags, DCB_DSCP_ENABLE);
613 
614 	/* MFW encodes 64 dscp entries into 8 element array of u32 entries,
615 	 * where each entry holds the 4bit priority map for 8 dscp entries.
616 	 */
617 	for (i = 0, entry = 0; i < ECORE_DCBX_DSCP_SIZE / 8; i++) {
618 		pri_map = OSAL_BE32_TO_CPU(p_dscp_map->dscp_pri_map[i]);
619 		DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "elem %d pri_map 0x%x\n",
620 			   entry, pri_map);
621 		for (j = 0; j < ECORE_DCBX_DSCP_SIZE / 8; j++, entry++)
622 			p_dscp->dscp_pri_map[entry] = (u32)(pri_map >>
623 							   (j * 4)) & 0xf;
624 	}
625 }
626 
627 static void
628 ecore_dcbx_get_operational_params(struct ecore_hwfn *p_hwfn,
629 				  struct ecore_dcbx_get *params)
630 {
631 	struct ecore_dcbx_operational_params *p_operational;
632 	struct ecore_dcbx_results *p_results;
633 	struct dcbx_features *p_feat;
634 	bool enabled, err;
635 	u32 flags;
636 	bool val;
637 
638 	flags = p_hwfn->p_dcbx_info->operational.flags;
639 
640 	/* If DCBx version is non zero, then negotiation
641 	 * was successfuly performed
642 	 */
643 	p_operational = &params->operational;
644 	enabled = !!(GET_MFW_FIELD(flags, DCBX_CONFIG_VERSION) !=
645 		     DCBX_CONFIG_VERSION_DISABLED);
646 	if (!enabled) {
647 		p_operational->enabled = enabled;
648 		p_operational->valid = false;
649 		DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "Dcbx is disabled\n");
650 		return;
651 	}
652 
653 	p_feat = &p_hwfn->p_dcbx_info->operational.features;
654 	p_results = &p_hwfn->p_dcbx_info->results;
655 
656 	val = !!(GET_MFW_FIELD(flags, DCBX_CONFIG_VERSION) ==
657 		 DCBX_CONFIG_VERSION_IEEE);
658 	p_operational->ieee = val;
659 
660 	val = !!(GET_MFW_FIELD(flags, DCBX_CONFIG_VERSION) ==
661 		 DCBX_CONFIG_VERSION_CEE);
662 	p_operational->cee = val;
663 
664 	val = !!(GET_MFW_FIELD(flags, DCBX_CONFIG_VERSION) ==
665 		 DCBX_CONFIG_VERSION_STATIC);
666 	p_operational->local = val;
667 
668 	DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
669 		   "Version support: ieee %d, cee %d, static %d\n",
670 		   p_operational->ieee, p_operational->cee,
671 		   p_operational->local);
672 
673 	ecore_dcbx_get_common_params(p_hwfn, &p_feat->app,
674 				     p_feat->app.app_pri_tbl, &p_feat->ets,
675 				     p_feat->pfc, &params->operational.params,
676 				     p_operational->ieee);
677 	ecore_dcbx_get_priority_info(p_hwfn, &p_operational->app_prio,
678 				     p_results);
679 	err = GET_MFW_FIELD(p_feat->app.flags, DCBX_APP_ERROR);
680 	p_operational->err = err;
681 	p_operational->enabled = enabled;
682 	p_operational->valid = true;
683 }
684 
685 static void ecore_dcbx_get_local_lldp_params(struct ecore_hwfn *p_hwfn,
686 					     struct ecore_dcbx_get *params)
687 {
688 	struct lldp_config_params_s *p_local;
689 
690 	p_local = &p_hwfn->p_dcbx_info->lldp_local[LLDP_NEAREST_BRIDGE];
691 
692 	OSAL_MEMCPY(params->lldp_local.local_chassis_id,
693 		    p_local->local_chassis_id,
694 		    sizeof(params->lldp_local.local_chassis_id));
695 	OSAL_MEMCPY(params->lldp_local.local_port_id, p_local->local_port_id,
696 		    sizeof(params->lldp_local.local_port_id));
697 }
698 
699 static void ecore_dcbx_get_remote_lldp_params(struct ecore_hwfn *p_hwfn,
700 					      struct ecore_dcbx_get *params)
701 {
702 	struct lldp_status_params_s *p_remote;
703 
704 	p_remote = &p_hwfn->p_dcbx_info->lldp_remote[LLDP_NEAREST_BRIDGE];
705 
706 	OSAL_MEMCPY(params->lldp_remote.peer_chassis_id,
707 		    p_remote->peer_chassis_id,
708 		    sizeof(params->lldp_remote.peer_chassis_id));
709 	OSAL_MEMCPY(params->lldp_remote.peer_port_id, p_remote->peer_port_id,
710 		    sizeof(params->lldp_remote.peer_port_id));
711 }
712 
713 static enum _ecore_status_t
714 ecore_dcbx_get_params(struct ecore_hwfn *p_hwfn,
715 		      struct ecore_dcbx_get *p_params,
716 		      enum ecore_mib_read_type type)
717 {
718 	switch (type) {
719 	case ECORE_DCBX_REMOTE_MIB:
720 		ecore_dcbx_get_remote_params(p_hwfn, p_params);
721 		break;
722 	case ECORE_DCBX_LOCAL_MIB:
723 		ecore_dcbx_get_local_params(p_hwfn, p_params);
724 		break;
725 	case ECORE_DCBX_OPERATIONAL_MIB:
726 		ecore_dcbx_get_operational_params(p_hwfn, p_params);
727 		break;
728 	case ECORE_DCBX_REMOTE_LLDP_MIB:
729 		ecore_dcbx_get_remote_lldp_params(p_hwfn, p_params);
730 		break;
731 	case ECORE_DCBX_LOCAL_LLDP_MIB:
732 		ecore_dcbx_get_local_lldp_params(p_hwfn, p_params);
733 		break;
734 	default:
735 		DP_ERR(p_hwfn, "MIB read err, unknown mib type %d\n", type);
736 		return ECORE_INVAL;
737 	}
738 
739 	return ECORE_SUCCESS;
740 }
741 
742 static enum _ecore_status_t
743 ecore_dcbx_read_local_lldp_mib(struct ecore_hwfn *p_hwfn,
744 			       struct ecore_ptt *p_ptt)
745 {
746 	struct ecore_dcbx_mib_meta_data data;
747 	enum _ecore_status_t rc = ECORE_SUCCESS;
748 
749 	OSAL_MEM_ZERO(&data, sizeof(data));
750 	data.addr = p_hwfn->mcp_info->port_addr + offsetof(struct public_port,
751 							   lldp_config_params);
752 	data.lldp_local = p_hwfn->p_dcbx_info->lldp_local;
753 	data.size = sizeof(struct lldp_config_params_s);
754 	ecore_memcpy_from(p_hwfn, p_ptt, data.lldp_local, data.addr, data.size);
755 
756 	return rc;
757 }
758 
759 static enum _ecore_status_t
760 ecore_dcbx_read_remote_lldp_mib(struct ecore_hwfn *p_hwfn,
761 				struct ecore_ptt *p_ptt,
762 				enum ecore_mib_read_type type)
763 {
764 	struct ecore_dcbx_mib_meta_data data;
765 	enum _ecore_status_t rc = ECORE_SUCCESS;
766 
767 	OSAL_MEM_ZERO(&data, sizeof(data));
768 	data.addr = p_hwfn->mcp_info->port_addr + offsetof(struct public_port,
769 							   lldp_status_params);
770 	data.lldp_remote = p_hwfn->p_dcbx_info->lldp_remote;
771 	data.size = sizeof(struct lldp_status_params_s);
772 	rc = ecore_dcbx_copy_mib(p_hwfn, p_ptt, &data, type);
773 
774 	return rc;
775 }
776 
777 static enum _ecore_status_t
778 ecore_dcbx_read_operational_mib(struct ecore_hwfn *p_hwfn,
779 				struct ecore_ptt *p_ptt,
780 				enum ecore_mib_read_type type)
781 {
782 	struct ecore_dcbx_mib_meta_data data;
783 	enum _ecore_status_t rc = ECORE_SUCCESS;
784 
785 	OSAL_MEM_ZERO(&data, sizeof(data));
786 	data.addr = p_hwfn->mcp_info->port_addr +
787 	    offsetof(struct public_port, operational_dcbx_mib);
788 	data.mib = &p_hwfn->p_dcbx_info->operational;
789 	data.size = sizeof(struct dcbx_mib);
790 	rc = ecore_dcbx_copy_mib(p_hwfn, p_ptt, &data, type);
791 
792 	return rc;
793 }
794 
795 static enum _ecore_status_t
796 ecore_dcbx_read_remote_mib(struct ecore_hwfn *p_hwfn,
797 			   struct ecore_ptt *p_ptt,
798 			   enum ecore_mib_read_type type)
799 {
800 	struct ecore_dcbx_mib_meta_data data;
801 	enum _ecore_status_t rc = ECORE_SUCCESS;
802 
803 	OSAL_MEM_ZERO(&data, sizeof(data));
804 	data.addr = p_hwfn->mcp_info->port_addr +
805 	    offsetof(struct public_port, remote_dcbx_mib);
806 	data.mib = &p_hwfn->p_dcbx_info->remote;
807 	data.size = sizeof(struct dcbx_mib);
808 	rc = ecore_dcbx_copy_mib(p_hwfn, p_ptt, &data, type);
809 
810 	return rc;
811 }
812 
813 static enum _ecore_status_t
814 ecore_dcbx_read_local_mib(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt)
815 {
816 	struct ecore_dcbx_mib_meta_data data;
817 	enum _ecore_status_t rc = ECORE_SUCCESS;
818 
819 	OSAL_MEM_ZERO(&data, sizeof(data));
820 	data.addr = p_hwfn->mcp_info->port_addr +
821 	    offsetof(struct public_port, local_admin_dcbx_mib);
822 	data.local_admin = &p_hwfn->p_dcbx_info->local_admin;
823 	data.size = sizeof(struct dcbx_local_params);
824 	ecore_memcpy_from(p_hwfn, p_ptt, data.local_admin,
825 			  data.addr, data.size);
826 
827 	return rc;
828 }
829 
830 static void
831 ecore_dcbx_read_dscp_mib(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt)
832 {
833 	struct ecore_dcbx_mib_meta_data data;
834 
835 	data.addr = p_hwfn->mcp_info->port_addr +
836 			offsetof(struct public_port, dcb_dscp_map);
837 	data.dscp_map = &p_hwfn->p_dcbx_info->dscp_map;
838 	data.size = sizeof(struct dcb_dscp_map);
839 	ecore_memcpy_from(p_hwfn, p_ptt, data.dscp_map, data.addr, data.size);
840 }
841 
842 static enum _ecore_status_t ecore_dcbx_read_mib(struct ecore_hwfn *p_hwfn,
843 						struct ecore_ptt *p_ptt,
844 						enum ecore_mib_read_type type)
845 {
846 	enum _ecore_status_t rc = ECORE_INVAL;
847 
848 	switch (type) {
849 	case ECORE_DCBX_OPERATIONAL_MIB:
850 		ecore_dcbx_read_dscp_mib(p_hwfn, p_ptt);
851 		rc = ecore_dcbx_read_operational_mib(p_hwfn, p_ptt, type);
852 		break;
853 	case ECORE_DCBX_REMOTE_MIB:
854 		rc = ecore_dcbx_read_remote_mib(p_hwfn, p_ptt, type);
855 		break;
856 	case ECORE_DCBX_LOCAL_MIB:
857 		rc = ecore_dcbx_read_local_mib(p_hwfn, p_ptt);
858 		break;
859 	case ECORE_DCBX_REMOTE_LLDP_MIB:
860 		rc = ecore_dcbx_read_remote_lldp_mib(p_hwfn, p_ptt, type);
861 		break;
862 	case ECORE_DCBX_LOCAL_LLDP_MIB:
863 		rc = ecore_dcbx_read_local_lldp_mib(p_hwfn, p_ptt);
864 		break;
865 	default:
866 		DP_ERR(p_hwfn, "MIB read err, unknown mib type %d\n", type);
867 	}
868 
869 	return ECORE_SUCCESS;
870 }
871 
872 /*
873  * Read updated MIB.
874  * Reconfigure QM and invoke PF update ramrod command if operational MIB
875  * change is detected.
876  */
877 enum _ecore_status_t
878 ecore_dcbx_mib_update_event(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
879 			    enum ecore_mib_read_type type)
880 {
881 	enum _ecore_status_t rc = ECORE_SUCCESS;
882 
883 	rc = ecore_dcbx_read_mib(p_hwfn, p_ptt, type);
884 	if (rc)
885 		return rc;
886 
887 	if (type == ECORE_DCBX_OPERATIONAL_MIB) {
888 		ecore_dcbx_get_dscp_params(p_hwfn, &p_hwfn->p_dcbx_info->get);
889 
890 		rc = ecore_dcbx_process_mib_info(p_hwfn, p_ptt);
891 		if (!rc) {
892 			/* reconfigure tcs of QM queues according
893 			 * to negotiation results
894 			 */
895 			ecore_qm_reconf(p_hwfn, p_ptt);
896 
897 			/* update storm FW with negotiation results */
898 			ecore_sp_pf_update_dcbx(p_hwfn);
899 		}
900 	}
901 
902 	ecore_dcbx_get_params(p_hwfn, &p_hwfn->p_dcbx_info->get, type);
903 
904 	/* Update the DSCP to TC mapping enable bit if required */
905 	if ((type == ECORE_DCBX_OPERATIONAL_MIB) &&
906 	    p_hwfn->p_dcbx_info->dscp_nig_update) {
907 		u8 val = !!p_hwfn->p_dcbx_info->get.dscp.enabled;
908 		u32 addr = NIG_REG_DSCP_TO_TC_MAP_ENABLE;
909 
910 		rc = ecore_all_ppfids_wr(p_hwfn, p_ptt, addr, val);
911 		if (rc != ECORE_SUCCESS) {
912 			DP_NOTICE(p_hwfn, false,
913 				  "Failed to update the DSCP to TC mapping enable bit\n");
914 			return rc;
915 		}
916 
917 		p_hwfn->p_dcbx_info->dscp_nig_update = false;
918 	}
919 
920 	OSAL_DCBX_AEN(p_hwfn, type);
921 
922 	return rc;
923 }
924 
925 enum _ecore_status_t ecore_dcbx_info_alloc(struct ecore_hwfn *p_hwfn)
926 {
927 	p_hwfn->p_dcbx_info = OSAL_ZALLOC(p_hwfn->p_dev, GFP_KERNEL,
928 					  sizeof(*p_hwfn->p_dcbx_info));
929 	if (!p_hwfn->p_dcbx_info) {
930 		DP_NOTICE(p_hwfn, false,
931 			  "Failed to allocate `struct ecore_dcbx_info'");
932 		return ECORE_NOMEM;
933 	}
934 
935 	p_hwfn->p_dcbx_info->iwarp_port =
936 		p_hwfn->pf_params.rdma_pf_params.iwarp_port;
937 
938 	return ECORE_SUCCESS;
939 }
940 
941 void ecore_dcbx_info_free(struct ecore_hwfn *p_hwfn)
942 {
943 	OSAL_FREE(p_hwfn->p_dev, p_hwfn->p_dcbx_info);
944 }
945 
946 static void ecore_dcbx_update_protocol_data(struct protocol_dcb_data *p_data,
947 					    struct ecore_dcbx_results *p_src,
948 					    enum dcbx_protocol_type type)
949 {
950 	p_data->dcb_enable_flag = p_src->arr[type].enable;
951 	p_data->dcb_priority = p_src->arr[type].priority;
952 	p_data->dcb_tc = p_src->arr[type].tc;
953 	p_data->dscp_enable_flag = p_src->arr[type].dscp_enable;
954 	p_data->dscp_val = p_src->arr[type].dscp_val;
955 	p_data->dcb_dont_add_vlan0 = p_src->arr[type].dont_add_vlan0;
956 }
957 
958 /* Set pf update ramrod command params */
959 void ecore_dcbx_set_pf_update_params(struct ecore_dcbx_results *p_src,
960 				     struct pf_update_ramrod_data *p_dest)
961 {
962 	struct protocol_dcb_data *p_dcb_data;
963 	u8 update_flag;
964 
965 	update_flag = p_src->arr[DCBX_PROTOCOL_ETH].update;
966 	p_dest->update_eth_dcb_data_mode = update_flag;
967 	update_flag = p_src->arr[DCBX_PROTOCOL_IWARP].update;
968 	p_dest->update_iwarp_dcb_data_mode = update_flag;
969 
970 	p_dcb_data = &p_dest->eth_dcb_data;
971 	ecore_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_ETH);
972 	p_dcb_data = &p_dest->iwarp_dcb_data;
973 	ecore_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_IWARP);
974 }
975 
976 enum _ecore_status_t ecore_dcbx_query_params(struct ecore_hwfn *p_hwfn,
977 					     struct ecore_dcbx_get *p_get,
978 					     enum ecore_mib_read_type type)
979 {
980 	struct ecore_ptt *p_ptt;
981 	enum _ecore_status_t rc;
982 
983 	if (IS_VF(p_hwfn->p_dev))
984 		return ECORE_INVAL;
985 
986 	p_ptt = ecore_ptt_acquire(p_hwfn);
987 	if (!p_ptt)
988 		return ECORE_TIMEOUT;
989 
990 	rc = ecore_dcbx_read_mib(p_hwfn, p_ptt, type);
991 	if (rc != ECORE_SUCCESS)
992 		goto out;
993 
994 	ecore_dcbx_get_dscp_params(p_hwfn, p_get);
995 
996 	rc = ecore_dcbx_get_params(p_hwfn, p_get, type);
997 
998 out:
999 	ecore_ptt_release(p_hwfn, p_ptt);
1000 	return rc;
1001 }
1002 
1003 static void
1004 ecore_dcbx_set_pfc_data(struct ecore_hwfn *p_hwfn,
1005 			u32 *pfc, struct ecore_dcbx_params *p_params)
1006 {
1007 	u8 pfc_map = 0;
1008 	int i;
1009 
1010 	if (p_params->pfc.willing)
1011 		*pfc |= DCBX_PFC_WILLING_MASK;
1012 	else
1013 		*pfc &= ~DCBX_PFC_WILLING_MASK;
1014 
1015 	if (p_params->pfc.enabled)
1016 		*pfc |= DCBX_PFC_ENABLED_MASK;
1017 	else
1018 		*pfc &= ~DCBX_PFC_ENABLED_MASK;
1019 
1020 	*pfc &= ~DCBX_PFC_CAPS_MASK;
1021 	*pfc |= (u32)p_params->pfc.max_tc << DCBX_PFC_CAPS_OFFSET;
1022 
1023 	for (i = 0; i < ECORE_MAX_PFC_PRIORITIES; i++)
1024 		if (p_params->pfc.prio[i])
1025 			pfc_map |= (1 << i);
1026 	*pfc &= ~DCBX_PFC_PRI_EN_BITMAP_MASK;
1027 	*pfc |= (pfc_map << DCBX_PFC_PRI_EN_BITMAP_OFFSET);
1028 
1029 	DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "pfc = 0x%x\n", *pfc);
1030 }
1031 
1032 static void
1033 ecore_dcbx_set_ets_data(struct ecore_hwfn *p_hwfn,
1034 			struct dcbx_ets_feature *p_ets,
1035 			struct ecore_dcbx_params *p_params)
1036 {
1037 	u8 *bw_map, *tsa_map;
1038 	u32 val;
1039 	int i;
1040 
1041 	if (p_params->ets_willing)
1042 		p_ets->flags |= DCBX_ETS_WILLING_MASK;
1043 	else
1044 		p_ets->flags &= ~DCBX_ETS_WILLING_MASK;
1045 
1046 	if (p_params->ets_cbs)
1047 		p_ets->flags |= DCBX_ETS_CBS_MASK;
1048 	else
1049 		p_ets->flags &= ~DCBX_ETS_CBS_MASK;
1050 
1051 	if (p_params->ets_enabled)
1052 		p_ets->flags |= DCBX_ETS_ENABLED_MASK;
1053 	else
1054 		p_ets->flags &= ~DCBX_ETS_ENABLED_MASK;
1055 
1056 	p_ets->flags &= ~DCBX_ETS_MAX_TCS_MASK;
1057 	p_ets->flags |= (u32)p_params->max_ets_tc << DCBX_ETS_MAX_TCS_OFFSET;
1058 
1059 	bw_map = (u8 *)&p_ets->tc_bw_tbl[0];
1060 	tsa_map = (u8 *)&p_ets->tc_tsa_tbl[0];
1061 	p_ets->pri_tc_tbl[0] = 0;
1062 	for (i = 0; i < ECORE_MAX_PFC_PRIORITIES; i++) {
1063 		bw_map[i] = p_params->ets_tc_bw_tbl[i];
1064 		tsa_map[i] = p_params->ets_tc_tsa_tbl[i];
1065 		/* Copy the priority value to the corresponding 4 bits in the
1066 		 * traffic class table.
1067 		 */
1068 		val = (((u32)p_params->ets_pri_tc_tbl[i]) << ((7 - i) * 4));
1069 		p_ets->pri_tc_tbl[0] |= val;
1070 	}
1071 	for (i = 0; i < 2; i++) {
1072 		p_ets->tc_bw_tbl[i] = OSAL_CPU_TO_BE32(p_ets->tc_bw_tbl[i]);
1073 		p_ets->tc_tsa_tbl[i] = OSAL_CPU_TO_BE32(p_ets->tc_tsa_tbl[i]);
1074 	}
1075 
1076 	DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
1077 		   "flags = 0x%x pri_tc = 0x%x tc_bwl[] = {0x%x, 0x%x} tc_tsa = {0x%x, 0x%x}\n",
1078 		   p_ets->flags, p_ets->pri_tc_tbl[0], p_ets->tc_bw_tbl[0],
1079 		   p_ets->tc_bw_tbl[1], p_ets->tc_tsa_tbl[0],
1080 		   p_ets->tc_tsa_tbl[1]);
1081 }
1082 
1083 static void
1084 ecore_dcbx_set_app_data(struct ecore_hwfn *p_hwfn,
1085 			struct dcbx_app_priority_feature *p_app,
1086 			struct ecore_dcbx_params *p_params, bool ieee)
1087 {
1088 	u32 *entry;
1089 	int i;
1090 
1091 	if (p_params->app_willing)
1092 		p_app->flags |= DCBX_APP_WILLING_MASK;
1093 	else
1094 		p_app->flags &= ~DCBX_APP_WILLING_MASK;
1095 
1096 	if (p_params->app_valid)
1097 		p_app->flags |= DCBX_APP_ENABLED_MASK;
1098 	else
1099 		p_app->flags &= ~DCBX_APP_ENABLED_MASK;
1100 
1101 	p_app->flags &= ~DCBX_APP_NUM_ENTRIES_MASK;
1102 	p_app->flags |= (u32)p_params->num_app_entries <<
1103 			DCBX_APP_NUM_ENTRIES_OFFSET;
1104 
1105 	for (i = 0; i < p_params->num_app_entries; i++) {
1106 		entry = &p_app->app_pri_tbl[i].entry;
1107 		*entry = 0;
1108 		if (ieee) {
1109 			*entry &= ~(DCBX_APP_SF_IEEE_MASK | DCBX_APP_SF_MASK);
1110 			switch (p_params->app_entry[i].sf_ieee) {
1111 			case ECORE_DCBX_SF_IEEE_ETHTYPE:
1112 				*entry  |= ((u32)DCBX_APP_SF_IEEE_ETHTYPE <<
1113 					    DCBX_APP_SF_IEEE_OFFSET);
1114 				*entry  |= ((u32)DCBX_APP_SF_ETHTYPE <<
1115 					    DCBX_APP_SF_OFFSET);
1116 				break;
1117 			case ECORE_DCBX_SF_IEEE_TCP_PORT:
1118 				*entry  |= ((u32)DCBX_APP_SF_IEEE_TCP_PORT <<
1119 					    DCBX_APP_SF_IEEE_OFFSET);
1120 				*entry  |= ((u32)DCBX_APP_SF_PORT <<
1121 					    DCBX_APP_SF_OFFSET);
1122 				break;
1123 			case ECORE_DCBX_SF_IEEE_UDP_PORT:
1124 				*entry  |= ((u32)DCBX_APP_SF_IEEE_UDP_PORT <<
1125 					    DCBX_APP_SF_IEEE_OFFSET);
1126 				*entry  |= ((u32)DCBX_APP_SF_PORT <<
1127 					    DCBX_APP_SF_OFFSET);
1128 				break;
1129 			case ECORE_DCBX_SF_IEEE_TCP_UDP_PORT:
1130 				*entry  |= (u32)DCBX_APP_SF_IEEE_TCP_UDP_PORT <<
1131 					    DCBX_APP_SF_IEEE_OFFSET;
1132 				*entry  |= ((u32)DCBX_APP_SF_PORT <<
1133 					    DCBX_APP_SF_OFFSET);
1134 				break;
1135 			}
1136 		} else {
1137 			*entry &= ~DCBX_APP_SF_MASK;
1138 			if (p_params->app_entry[i].ethtype)
1139 				*entry  |= ((u32)DCBX_APP_SF_ETHTYPE <<
1140 					    DCBX_APP_SF_OFFSET);
1141 			else
1142 				*entry  |= ((u32)DCBX_APP_SF_PORT <<
1143 					    DCBX_APP_SF_OFFSET);
1144 		}
1145 		*entry &= ~DCBX_APP_PROTOCOL_ID_MASK;
1146 		*entry |= ((u32)p_params->app_entry[i].proto_id <<
1147 			   DCBX_APP_PROTOCOL_ID_OFFSET);
1148 		*entry &= ~DCBX_APP_PRI_MAP_MASK;
1149 		*entry |= ((u32)(p_params->app_entry[i].prio) <<
1150 			   DCBX_APP_PRI_MAP_OFFSET);
1151 	}
1152 
1153 	DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "flags = 0x%x\n", p_app->flags);
1154 }
1155 
1156 static void
1157 ecore_dcbx_set_local_params(struct ecore_hwfn *p_hwfn,
1158 			    struct dcbx_local_params *local_admin,
1159 			    struct ecore_dcbx_set *params)
1160 {
1161 	bool ieee = false;
1162 
1163 	local_admin->flags = 0;
1164 	OSAL_MEMCPY(&local_admin->features,
1165 		    &p_hwfn->p_dcbx_info->operational.features,
1166 		    sizeof(local_admin->features));
1167 
1168 	if (params->enabled) {
1169 		local_admin->config = params->ver_num;
1170 		ieee = !!(params->ver_num & DCBX_CONFIG_VERSION_IEEE);
1171 	} else {
1172 		local_admin->config = DCBX_CONFIG_VERSION_DISABLED;
1173 	}
1174 
1175 	DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "Dcbx version = %d\n",
1176 		   local_admin->config);
1177 
1178 	if (params->override_flags & ECORE_DCBX_OVERRIDE_PFC_CFG)
1179 		ecore_dcbx_set_pfc_data(p_hwfn, &local_admin->features.pfc,
1180 					&params->config.params);
1181 
1182 	if (params->override_flags & ECORE_DCBX_OVERRIDE_ETS_CFG)
1183 		ecore_dcbx_set_ets_data(p_hwfn, &local_admin->features.ets,
1184 					&params->config.params);
1185 
1186 	if (params->override_flags & ECORE_DCBX_OVERRIDE_APP_CFG)
1187 		ecore_dcbx_set_app_data(p_hwfn, &local_admin->features.app,
1188 					&params->config.params, ieee);
1189 }
1190 
1191 static enum _ecore_status_t
1192 ecore_dcbx_set_dscp_params(struct ecore_hwfn *p_hwfn,
1193 			   struct dcb_dscp_map *p_dscp_map,
1194 			   struct ecore_dcbx_set *p_params)
1195 {
1196 	int entry, i, j;
1197 	u32 val;
1198 
1199 	OSAL_MEMCPY(p_dscp_map, &p_hwfn->p_dcbx_info->dscp_map,
1200 		    sizeof(*p_dscp_map));
1201 
1202 	p_dscp_map->flags &= ~DCB_DSCP_ENABLE_MASK;
1203 	if (p_params->dscp.enabled)
1204 		p_dscp_map->flags |= DCB_DSCP_ENABLE_MASK;
1205 
1206 	for (i = 0, entry = 0; i < 8; i++) {
1207 		val = 0;
1208 		for (j = 0; j < 8; j++, entry++)
1209 			val |= (((u32)p_params->dscp.dscp_pri_map[entry]) <<
1210 				(j * 4));
1211 
1212 		p_dscp_map->dscp_pri_map[i] = OSAL_CPU_TO_BE32(val);
1213 	}
1214 
1215 	p_hwfn->p_dcbx_info->dscp_nig_update = true;
1216 
1217 	DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "flags = 0x%x\n", p_dscp_map->flags);
1218 	DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
1219 		   "pri_map[] = 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
1220 		   p_dscp_map->dscp_pri_map[0], p_dscp_map->dscp_pri_map[1],
1221 		   p_dscp_map->dscp_pri_map[2], p_dscp_map->dscp_pri_map[3],
1222 		   p_dscp_map->dscp_pri_map[4], p_dscp_map->dscp_pri_map[5],
1223 		   p_dscp_map->dscp_pri_map[6], p_dscp_map->dscp_pri_map[7]);
1224 
1225 	return ECORE_SUCCESS;
1226 }
1227 
1228 enum _ecore_status_t ecore_dcbx_config_params(struct ecore_hwfn *p_hwfn,
1229 					      struct ecore_ptt *p_ptt,
1230 					      struct ecore_dcbx_set *params,
1231 					      bool hw_commit)
1232 {
1233 	struct dcbx_local_params local_admin;
1234 	struct ecore_dcbx_mib_meta_data data;
1235 	struct dcb_dscp_map dscp_map;
1236 	u32 resp = 0, param = 0;
1237 	enum _ecore_status_t rc = ECORE_SUCCESS;
1238 
1239 	OSAL_MEMCPY(&p_hwfn->p_dcbx_info->set, params,
1240 		    sizeof(p_hwfn->p_dcbx_info->set));
1241 	if (!hw_commit)
1242 		return ECORE_SUCCESS;
1243 
1244 	OSAL_MEMSET(&local_admin, 0, sizeof(local_admin));
1245 	ecore_dcbx_set_local_params(p_hwfn, &local_admin, params);
1246 
1247 	data.addr = p_hwfn->mcp_info->port_addr +
1248 			offsetof(struct public_port, local_admin_dcbx_mib);
1249 	data.local_admin = &local_admin;
1250 	data.size = sizeof(struct dcbx_local_params);
1251 	ecore_memcpy_to(p_hwfn, p_ptt, data.addr, data.local_admin, data.size);
1252 
1253 	if (params->override_flags & ECORE_DCBX_OVERRIDE_DSCP_CFG) {
1254 		OSAL_MEMSET(&dscp_map, 0, sizeof(dscp_map));
1255 		ecore_dcbx_set_dscp_params(p_hwfn, &dscp_map, params);
1256 
1257 		data.addr = p_hwfn->mcp_info->port_addr +
1258 				offsetof(struct public_port, dcb_dscp_map);
1259 		data.dscp_map = &dscp_map;
1260 		data.size = sizeof(struct dcb_dscp_map);
1261 		ecore_memcpy_to(p_hwfn, p_ptt, data.addr, data.dscp_map,
1262 				data.size);
1263 	}
1264 
1265 	rc = ecore_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_SET_DCBX,
1266 			   1 << DRV_MB_PARAM_LLDP_SEND_OFFSET, &resp, &param);
1267 	if (rc != ECORE_SUCCESS)
1268 		DP_NOTICE(p_hwfn, false,
1269 			  "Failed to send DCBX update request\n");
1270 
1271 	return rc;
1272 }
1273 
1274 enum _ecore_status_t ecore_dcbx_get_config_params(struct ecore_hwfn *p_hwfn,
1275 						  struct ecore_dcbx_set *params)
1276 {
1277 	struct ecore_dcbx_get *dcbx_info;
1278 	int rc;
1279 
1280 	if (p_hwfn->p_dcbx_info->set.config.valid) {
1281 		OSAL_MEMCPY(params, &p_hwfn->p_dcbx_info->set,
1282 			    sizeof(struct ecore_dcbx_set));
1283 		return ECORE_SUCCESS;
1284 	}
1285 
1286 	dcbx_info = OSAL_ALLOC(p_hwfn->p_dev, GFP_KERNEL,
1287 			       sizeof(*dcbx_info));
1288 	if (!dcbx_info)
1289 		return ECORE_NOMEM;
1290 
1291 	OSAL_MEMSET(dcbx_info, 0, sizeof(*dcbx_info));
1292 	rc = ecore_dcbx_query_params(p_hwfn, dcbx_info,
1293 				     ECORE_DCBX_OPERATIONAL_MIB);
1294 	if (rc) {
1295 		OSAL_FREE(p_hwfn->p_dev, dcbx_info);
1296 		return rc;
1297 	}
1298 	p_hwfn->p_dcbx_info->set.override_flags = 0;
1299 
1300 	p_hwfn->p_dcbx_info->set.ver_num = DCBX_CONFIG_VERSION_DISABLED;
1301 	if (dcbx_info->operational.cee)
1302 		p_hwfn->p_dcbx_info->set.ver_num |= DCBX_CONFIG_VERSION_CEE;
1303 	if (dcbx_info->operational.ieee)
1304 		p_hwfn->p_dcbx_info->set.ver_num |= DCBX_CONFIG_VERSION_IEEE;
1305 	if (dcbx_info->operational.local)
1306 		p_hwfn->p_dcbx_info->set.ver_num |= DCBX_CONFIG_VERSION_STATIC;
1307 
1308 	p_hwfn->p_dcbx_info->set.enabled = dcbx_info->operational.enabled;
1309 	OSAL_MEMCPY(&p_hwfn->p_dcbx_info->set.dscp,
1310 		    &p_hwfn->p_dcbx_info->get.dscp,
1311 		    sizeof(struct ecore_dcbx_dscp_params));
1312 	OSAL_MEMCPY(&p_hwfn->p_dcbx_info->set.config.params,
1313 		    &dcbx_info->operational.params,
1314 		    sizeof(p_hwfn->p_dcbx_info->set.config.params));
1315 	p_hwfn->p_dcbx_info->set.config.valid = true;
1316 
1317 	OSAL_MEMCPY(params, &p_hwfn->p_dcbx_info->set,
1318 		    sizeof(struct ecore_dcbx_set));
1319 
1320 	OSAL_FREE(p_hwfn->p_dev, dcbx_info);
1321 
1322 	return ECORE_SUCCESS;
1323 }
1324 
1325 enum _ecore_status_t ecore_lldp_register_tlv(struct ecore_hwfn *p_hwfn,
1326 					     struct ecore_ptt *p_ptt,
1327 					     enum ecore_lldp_agent agent,
1328 					     u8 tlv_type)
1329 {
1330 	u32 mb_param = 0, mcp_resp = 0, mcp_param = 0, val = 0;
1331 	enum _ecore_status_t rc = ECORE_SUCCESS;
1332 
1333 	switch (agent) {
1334 	case ECORE_LLDP_NEAREST_BRIDGE:
1335 		val = LLDP_NEAREST_BRIDGE;
1336 		break;
1337 	case ECORE_LLDP_NEAREST_NON_TPMR_BRIDGE:
1338 		val = LLDP_NEAREST_NON_TPMR_BRIDGE;
1339 		break;
1340 	case ECORE_LLDP_NEAREST_CUSTOMER_BRIDGE:
1341 		val = LLDP_NEAREST_CUSTOMER_BRIDGE;
1342 		break;
1343 	default:
1344 		DP_ERR(p_hwfn, "Invalid agent type %d\n", agent);
1345 		return ECORE_INVAL;
1346 	}
1347 
1348 	SET_MFW_FIELD(mb_param, DRV_MB_PARAM_LLDP_AGENT, val);
1349 	SET_MFW_FIELD(mb_param, DRV_MB_PARAM_LLDP_TLV_RX_TYPE, tlv_type);
1350 
1351 	rc = ecore_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_REGISTER_LLDP_TLVS_RX,
1352 			   mb_param, &mcp_resp, &mcp_param);
1353 	if (rc != ECORE_SUCCESS)
1354 		DP_NOTICE(p_hwfn, false, "Failed to register TLV\n");
1355 
1356 	return rc;
1357 }
1358 
1359 enum _ecore_status_t
1360 ecore_lldp_mib_update_event(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt)
1361 {
1362 	struct ecore_dcbx_mib_meta_data data;
1363 	enum _ecore_status_t rc = ECORE_SUCCESS;
1364 	struct lldp_received_tlvs_s tlvs;
1365 	int i;
1366 
1367 	for (i = 0; i < LLDP_MAX_LLDP_AGENTS; i++) {
1368 		OSAL_MEM_ZERO(&data, sizeof(data));
1369 		data.addr = p_hwfn->mcp_info->port_addr +
1370 			    offsetof(struct public_port, lldp_received_tlvs[i]);
1371 		data.lldp_tlvs = &tlvs;
1372 		data.size = sizeof(tlvs);
1373 		rc = ecore_dcbx_copy_mib(p_hwfn, p_ptt, &data,
1374 					 ECORE_DCBX_LLDP_TLVS);
1375 		if (rc != ECORE_SUCCESS) {
1376 			DP_NOTICE(p_hwfn, false, "Failed to read lldp TLVs\n");
1377 			return rc;
1378 		}
1379 
1380 		if (!tlvs.length)
1381 			continue;
1382 
1383 		for (i = 0; i < MAX_TLV_BUFFER; i++)
1384 			tlvs.tlvs_buffer[i] =
1385 				OSAL_CPU_TO_BE32(tlvs.tlvs_buffer[i]);
1386 
1387 		OSAL_LLDP_RX_TLVS(p_hwfn, tlvs.tlvs_buffer, tlvs.length);
1388 	}
1389 
1390 	return rc;
1391 }
1392 
1393 enum _ecore_status_t
1394 ecore_lldp_get_params(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
1395 		      struct ecore_lldp_config_params *p_params)
1396 {
1397 	struct lldp_config_params_s lldp_params;
1398 	u32 addr, val;
1399 	int i;
1400 
1401 	switch (p_params->agent) {
1402 	case ECORE_LLDP_NEAREST_BRIDGE:
1403 		val = LLDP_NEAREST_BRIDGE;
1404 		break;
1405 	case ECORE_LLDP_NEAREST_NON_TPMR_BRIDGE:
1406 		val = LLDP_NEAREST_NON_TPMR_BRIDGE;
1407 		break;
1408 	case ECORE_LLDP_NEAREST_CUSTOMER_BRIDGE:
1409 		val = LLDP_NEAREST_CUSTOMER_BRIDGE;
1410 		break;
1411 	default:
1412 		DP_ERR(p_hwfn, "Invalid agent type %d\n", p_params->agent);
1413 		return ECORE_INVAL;
1414 	}
1415 
1416 	addr = p_hwfn->mcp_info->port_addr +
1417 			offsetof(struct public_port, lldp_config_params[val]);
1418 
1419 	ecore_memcpy_from(p_hwfn, p_ptt, &lldp_params, addr,
1420 			  sizeof(lldp_params));
1421 
1422 	p_params->tx_interval = GET_MFW_FIELD(lldp_params.config,
1423 					      LLDP_CONFIG_TX_INTERVAL);
1424 	p_params->tx_hold = GET_MFW_FIELD(lldp_params.config, LLDP_CONFIG_HOLD);
1425 	p_params->tx_credit = GET_MFW_FIELD(lldp_params.config,
1426 					    LLDP_CONFIG_MAX_CREDIT);
1427 	p_params->rx_enable = GET_MFW_FIELD(lldp_params.config,
1428 					    LLDP_CONFIG_ENABLE_RX);
1429 	p_params->tx_enable = GET_MFW_FIELD(lldp_params.config,
1430 					    LLDP_CONFIG_ENABLE_TX);
1431 
1432 	OSAL_MEMCPY(p_params->chassis_id_tlv, lldp_params.local_chassis_id,
1433 		    sizeof(p_params->chassis_id_tlv));
1434 	for (i = 0; i < ECORE_LLDP_CHASSIS_ID_STAT_LEN; i++)
1435 		p_params->chassis_id_tlv[i] =
1436 				OSAL_BE32_TO_CPU(p_params->chassis_id_tlv[i]);
1437 
1438 	OSAL_MEMCPY(p_params->port_id_tlv, lldp_params.local_port_id,
1439 		    sizeof(p_params->port_id_tlv));
1440 	for (i = 0; i < ECORE_LLDP_PORT_ID_STAT_LEN; i++)
1441 		p_params->port_id_tlv[i] =
1442 				OSAL_BE32_TO_CPU(p_params->port_id_tlv[i]);
1443 
1444 	return ECORE_SUCCESS;
1445 }
1446 
1447 enum _ecore_status_t
1448 ecore_lldp_set_params(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
1449 		      struct ecore_lldp_config_params *p_params)
1450 {
1451 	u32 mb_param = 0, mcp_resp = 0, mcp_param = 0;
1452 	struct lldp_config_params_s lldp_params;
1453 	enum _ecore_status_t rc = ECORE_SUCCESS;
1454 	u32 addr, val;
1455 	int i;
1456 
1457 	switch (p_params->agent) {
1458 	case ECORE_LLDP_NEAREST_BRIDGE:
1459 		val = LLDP_NEAREST_BRIDGE;
1460 		break;
1461 	case ECORE_LLDP_NEAREST_NON_TPMR_BRIDGE:
1462 		val = LLDP_NEAREST_NON_TPMR_BRIDGE;
1463 		break;
1464 	case ECORE_LLDP_NEAREST_CUSTOMER_BRIDGE:
1465 		val = LLDP_NEAREST_CUSTOMER_BRIDGE;
1466 		break;
1467 	default:
1468 		DP_ERR(p_hwfn, "Invalid agent type %d\n", p_params->agent);
1469 		return ECORE_INVAL;
1470 	}
1471 
1472 	SET_MFW_FIELD(mb_param, DRV_MB_PARAM_LLDP_AGENT, val);
1473 	addr = p_hwfn->mcp_info->port_addr +
1474 			offsetof(struct public_port, lldp_config_params[val]);
1475 
1476 	OSAL_MEMSET(&lldp_params, 0, sizeof(lldp_params));
1477 	SET_MFW_FIELD(lldp_params.config, LLDP_CONFIG_TX_INTERVAL,
1478 		      p_params->tx_interval);
1479 	SET_MFW_FIELD(lldp_params.config, LLDP_CONFIG_HOLD, p_params->tx_hold);
1480 	SET_MFW_FIELD(lldp_params.config, LLDP_CONFIG_MAX_CREDIT,
1481 		      p_params->tx_credit);
1482 	SET_MFW_FIELD(lldp_params.config, LLDP_CONFIG_ENABLE_RX,
1483 		      !!p_params->rx_enable);
1484 	SET_MFW_FIELD(lldp_params.config, LLDP_CONFIG_ENABLE_TX,
1485 		      !!p_params->tx_enable);
1486 
1487 	for (i = 0; i < ECORE_LLDP_CHASSIS_ID_STAT_LEN; i++)
1488 		p_params->chassis_id_tlv[i] =
1489 				OSAL_CPU_TO_BE32(p_params->chassis_id_tlv[i]);
1490 	OSAL_MEMCPY(lldp_params.local_chassis_id, p_params->chassis_id_tlv,
1491 		    sizeof(lldp_params.local_chassis_id));
1492 
1493 	for (i = 0; i < ECORE_LLDP_PORT_ID_STAT_LEN; i++)
1494 		p_params->port_id_tlv[i] =
1495 				OSAL_CPU_TO_BE32(p_params->port_id_tlv[i]);
1496 	OSAL_MEMCPY(lldp_params.local_port_id, p_params->port_id_tlv,
1497 		    sizeof(lldp_params.local_port_id));
1498 
1499 	ecore_memcpy_to(p_hwfn, p_ptt, addr, &lldp_params, sizeof(lldp_params));
1500 
1501 	rc = ecore_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_SET_LLDP,
1502 			   mb_param, &mcp_resp, &mcp_param);
1503 	if (rc != ECORE_SUCCESS)
1504 		DP_NOTICE(p_hwfn, false, "SET_LLDP failed, error = %d\n", rc);
1505 
1506 	return rc;
1507 }
1508 
1509 enum _ecore_status_t
1510 ecore_lldp_set_system_tlvs(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
1511 			   struct ecore_lldp_sys_tlvs *p_params)
1512 {
1513 	u32 mb_param = 0, mcp_resp = 0, mcp_param = 0;
1514 	enum _ecore_status_t rc = ECORE_SUCCESS;
1515 	struct lldp_system_tlvs_buffer_s lld_tlv_buf;
1516 	u32 addr, *p_val;
1517 	u8 len;
1518 	int i;
1519 
1520 	p_val = (u32 *)p_params->buf;
1521 	for (i = 0; i < ECORE_LLDP_SYS_TLV_SIZE / 4; i++)
1522 		p_val[i] = OSAL_CPU_TO_BE32(p_val[i]);
1523 
1524 	OSAL_MEMSET(&lld_tlv_buf, 0, sizeof(lld_tlv_buf));
1525 	SET_MFW_FIELD(lld_tlv_buf.flags, LLDP_SYSTEM_TLV_VALID, 1);
1526 	SET_MFW_FIELD(lld_tlv_buf.flags, LLDP_SYSTEM_TLV_MANDATORY,
1527 		      !!p_params->discard_mandatory_tlv);
1528 	SET_MFW_FIELD(lld_tlv_buf.flags, LLDP_SYSTEM_TLV_LENGTH,
1529 		      p_params->buf_size);
1530 	len = ECORE_LLDP_SYS_TLV_SIZE / 2;
1531 	OSAL_MEMCPY(lld_tlv_buf.data, p_params->buf, len);
1532 
1533 	addr = p_hwfn->mcp_info->port_addr +
1534 		offsetof(struct public_port, system_lldp_tlvs_buf);
1535 	ecore_memcpy_to(p_hwfn, p_ptt, addr, &lld_tlv_buf, sizeof(lld_tlv_buf));
1536 
1537 	if  (p_params->buf_size > len) {
1538 		addr = p_hwfn->mcp_info->port_addr +
1539 			offsetof(struct public_port, system_lldp_tlvs_buf2);
1540 		ecore_memcpy_to(p_hwfn, p_ptt, addr, &p_params->buf[len],
1541 				ECORE_LLDP_SYS_TLV_SIZE / 2);
1542 	}
1543 
1544 	rc = ecore_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_SET_LLDP,
1545 			   mb_param, &mcp_resp, &mcp_param);
1546 	if (rc != ECORE_SUCCESS)
1547 		DP_NOTICE(p_hwfn, false, "SET_LLDP failed, error = %d\n", rc);
1548 
1549 	return rc;
1550 }
1551 
1552 enum _ecore_status_t
1553 ecore_dcbx_get_dscp_priority(struct ecore_hwfn *p_hwfn,
1554 			     u8 dscp_index, u8 *p_dscp_pri)
1555 {
1556 	struct ecore_dcbx_get *p_dcbx_info;
1557 	enum _ecore_status_t rc;
1558 
1559 	if (dscp_index >= ECORE_DCBX_DSCP_SIZE) {
1560 		DP_ERR(p_hwfn, "Invalid dscp index %d\n", dscp_index);
1561 		return ECORE_INVAL;
1562 	}
1563 
1564 	p_dcbx_info = OSAL_ALLOC(p_hwfn->p_dev, GFP_KERNEL,
1565 				 sizeof(*p_dcbx_info));
1566 	if (!p_dcbx_info)
1567 		return ECORE_NOMEM;
1568 
1569 	OSAL_MEMSET(p_dcbx_info, 0, sizeof(*p_dcbx_info));
1570 	rc = ecore_dcbx_query_params(p_hwfn, p_dcbx_info,
1571 				     ECORE_DCBX_OPERATIONAL_MIB);
1572 	if (rc) {
1573 		OSAL_FREE(p_hwfn->p_dev, p_dcbx_info);
1574 		return rc;
1575 	}
1576 
1577 	*p_dscp_pri = p_dcbx_info->dscp.dscp_pri_map[dscp_index];
1578 	OSAL_FREE(p_hwfn->p_dev, p_dcbx_info);
1579 
1580 	return ECORE_SUCCESS;
1581 }
1582 
1583 enum _ecore_status_t
1584 ecore_dcbx_set_dscp_priority(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
1585 			     u8 dscp_index, u8 pri_val)
1586 {
1587 	struct ecore_dcbx_set dcbx_set;
1588 	enum _ecore_status_t rc;
1589 
1590 	if (dscp_index >= ECORE_DCBX_DSCP_SIZE ||
1591 	    pri_val >= ECORE_MAX_PFC_PRIORITIES) {
1592 		DP_ERR(p_hwfn, "Invalid dscp params: index = %d pri = %d\n",
1593 		       dscp_index, pri_val);
1594 		return ECORE_INVAL;
1595 	}
1596 
1597 	OSAL_MEMSET(&dcbx_set, 0, sizeof(dcbx_set));
1598 	rc = ecore_dcbx_get_config_params(p_hwfn, &dcbx_set);
1599 	if (rc)
1600 		return rc;
1601 
1602 	dcbx_set.override_flags = ECORE_DCBX_OVERRIDE_DSCP_CFG;
1603 	dcbx_set.dscp.dscp_pri_map[dscp_index] = pri_val;
1604 
1605 	return ecore_dcbx_config_params(p_hwfn, p_ptt, &dcbx_set, 1);
1606 }
1607