xref: /f-stack/dpdk/drivers/net/bnx2x/ecore_sp.c (revision 8850115b)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright (c) 2007-2013 Broadcom Corporation.
3  *
4  * Eric Davis        <[email protected]>
5  * David Christensen <[email protected]>
6  * Gary Zambrano     <[email protected]>
7  *
8  * Copyright (c) 2013-2015 Brocade Communications Systems, Inc.
9  * Copyright (c) 2015-2018 Cavium Inc.
10  * All rights reserved.
11  * www.cavium.com
12  */
13 
14 #include "bnx2x.h"
15 #include "ecore_init.h"
16 
17 /**** Exe Queue interfaces ****/
18 
19 /**
20  * ecore_exe_queue_init - init the Exe Queue object
21  *
22  * @o:		pointer to the object
23  * @exe_len:	length
24  * @owner:	pointer to the owner
25  * @validate:	validate function pointer
26  * @optimize:	optimize function pointer
27  * @exec:	execute function pointer
28  * @get:	get function pointer
29  */
30 static void
31 ecore_exe_queue_init(struct bnx2x_softc *sc __rte_unused,
32 		     struct ecore_exe_queue_obj *o,
33 		     int exe_len,
34 		     union ecore_qable_obj *owner,
35 		     exe_q_validate validate,
36 		     exe_q_remove remove,
37 		     exe_q_optimize optimize, exe_q_execute exec, exe_q_get get)
38 {
39 	ECORE_MEMSET(o, 0, sizeof(*o));
40 
41 	ECORE_LIST_INIT(&o->exe_queue);
42 	ECORE_LIST_INIT(&o->pending_comp);
43 
44 	ECORE_SPIN_LOCK_INIT(&o->lock, sc);
45 
46 	o->exe_chunk_len = exe_len;
47 	o->owner = owner;
48 
49 	/* Owner specific callbacks */
50 	o->validate = validate;
51 	o->remove = remove;
52 	o->optimize = optimize;
53 	o->execute = exec;
54 	o->get = get;
55 
56 	ECORE_MSG(sc, "Setup the execution queue with the chunk length of %d",
57 		  exe_len);
58 }
59 
60 static void ecore_exe_queue_free_elem(struct bnx2x_softc *sc __rte_unused,
61 				      struct ecore_exeq_elem *elem)
62 {
63 	ECORE_MSG(sc, "Deleting an exe_queue element");
64 	ECORE_FREE(sc, elem, sizeof(*elem));
65 }
66 
67 static inline int ecore_exe_queue_length(struct ecore_exe_queue_obj *o)
68 {
69 	struct ecore_exeq_elem *elem;
70 	int cnt = 0;
71 
72 	ECORE_SPIN_LOCK_BH(&o->lock);
73 
74 	ECORE_LIST_FOR_EACH_ENTRY(elem, &o->exe_queue, link,
75 				  struct ecore_exeq_elem) cnt++;
76 
77 	ECORE_SPIN_UNLOCK_BH(&o->lock);
78 
79 	return cnt;
80 }
81 
82 /**
83  * ecore_exe_queue_add - add a new element to the execution queue
84  *
85  * @sc:		driver handle
86  * @o:		queue
87  * @cmd:	new command to add
88  * @restore:	true - do not optimize the command
89  *
90  * If the element is optimized or is illegal, frees it.
91  */
92 static int ecore_exe_queue_add(struct bnx2x_softc *sc,
93 			       struct ecore_exe_queue_obj *o,
94 			       struct ecore_exeq_elem *elem, int restore)
95 {
96 	int rc;
97 
98 	ECORE_SPIN_LOCK_BH(&o->lock);
99 
100 	if (!restore) {
101 		/* Try to cancel this element queue */
102 		rc = o->optimize(sc, o->owner, elem);
103 		if (rc)
104 			goto free_and_exit;
105 
106 		/* Check if this request is ok */
107 		rc = o->validate(sc, o->owner, elem);
108 		if (rc) {
109 			ECORE_MSG(sc, "Preamble failed: %d", rc);
110 			goto free_and_exit;
111 		}
112 	}
113 
114 	/* If so, add it to the execution queue */
115 	ECORE_LIST_PUSH_TAIL(&elem->link, &o->exe_queue);
116 
117 	ECORE_SPIN_UNLOCK_BH(&o->lock);
118 
119 	return ECORE_SUCCESS;
120 
121 free_and_exit:
122 	ecore_exe_queue_free_elem(sc, elem);
123 
124 	ECORE_SPIN_UNLOCK_BH(&o->lock);
125 
126 	return rc;
127 }
128 
129 static void __ecore_exe_queue_reset_pending(struct bnx2x_softc *sc, struct ecore_exe_queue_obj
130 					    *o)
131 {
132 	struct ecore_exeq_elem *elem;
133 
134 	while (!ECORE_LIST_IS_EMPTY(&o->pending_comp)) {
135 		elem = ECORE_LIST_FIRST_ENTRY(&o->pending_comp,
136 					      struct ecore_exeq_elem, link);
137 
138 		ECORE_LIST_REMOVE_ENTRY(&elem->link, &o->pending_comp);
139 		ecore_exe_queue_free_elem(sc, elem);
140 	}
141 }
142 
143 static inline void ecore_exe_queue_reset_pending(struct bnx2x_softc *sc,
144 						 struct ecore_exe_queue_obj *o)
145 {
146 	ECORE_SPIN_LOCK_BH(&o->lock);
147 
148 	__ecore_exe_queue_reset_pending(sc, o);
149 
150 	ECORE_SPIN_UNLOCK_BH(&o->lock);
151 }
152 
153 /**
154  * ecore_exe_queue_step - execute one execution chunk atomically
155  *
156  * @sc:			driver handle
157  * @o:			queue
158  * @ramrod_flags:	flags
159  *
160  * (Should be called while holding the exe_queue->lock).
161  */
162 static int ecore_exe_queue_step(struct bnx2x_softc *sc,
163 				struct ecore_exe_queue_obj *o,
164 				unsigned long *ramrod_flags)
165 {
166 	struct ecore_exeq_elem *elem, spacer;
167 	int cur_len = 0, rc;
168 
169 	ECORE_MEMSET(&spacer, 0, sizeof(spacer));
170 
171 	/* Next step should not be performed until the current is finished,
172 	 * unless a DRV_CLEAR_ONLY bit is set. In this case we just want to
173 	 * properly clear object internals without sending any command to the FW
174 	 * which also implies there won't be any completion to clear the
175 	 * 'pending' list.
176 	 */
177 	if (!ECORE_LIST_IS_EMPTY(&o->pending_comp)) {
178 		if (ECORE_TEST_BIT(RAMROD_DRV_CLR_ONLY, ramrod_flags)) {
179 			ECORE_MSG(sc,
180 				  "RAMROD_DRV_CLR_ONLY requested: resetting a pending_comp list");
181 			__ecore_exe_queue_reset_pending(sc, o);
182 		} else {
183 			return ECORE_PENDING;
184 		}
185 	}
186 
187 	/* Run through the pending commands list and create a next
188 	 * execution chunk.
189 	 */
190 	while (!ECORE_LIST_IS_EMPTY(&o->exe_queue)) {
191 		elem = ECORE_LIST_FIRST_ENTRY(&o->exe_queue,
192 					      struct ecore_exeq_elem, link);
193 		ECORE_DBG_BREAK_IF(!elem->cmd_len);
194 
195 		if (cur_len + elem->cmd_len <= o->exe_chunk_len) {
196 			cur_len += elem->cmd_len;
197 			/* Prevent from both lists being empty when moving an
198 			 * element. This will allow the call of
199 			 * ecore_exe_queue_empty() without locking.
200 			 */
201 			ECORE_LIST_PUSH_TAIL(&spacer.link, &o->pending_comp);
202 			mb();
203 			ECORE_LIST_REMOVE_ENTRY(&elem->link, &o->exe_queue);
204 			ECORE_LIST_PUSH_TAIL(&elem->link, &o->pending_comp);
205 			ECORE_LIST_REMOVE_ENTRY(&spacer.link, &o->pending_comp);
206 		} else
207 			break;
208 	}
209 
210 	/* Sanity check */
211 	if (!cur_len)
212 		return ECORE_SUCCESS;
213 
214 	rc = o->execute(sc, o->owner, &o->pending_comp, ramrod_flags);
215 	if (rc < 0)
216 		/* In case of an error return the commands back to the queue
217 		 *  and reset the pending_comp.
218 		 */
219 		ECORE_LIST_SPLICE_INIT(&o->pending_comp, &o->exe_queue);
220 	else if (!rc)
221 		/* If zero is returned, means there are no outstanding pending
222 		 * completions and we may dismiss the pending list.
223 		 */
224 		__ecore_exe_queue_reset_pending(sc, o);
225 
226 	return rc;
227 }
228 
229 static inline int ecore_exe_queue_empty(struct ecore_exe_queue_obj *o)
230 {
231 	int empty = ECORE_LIST_IS_EMPTY(&o->exe_queue);
232 
233 	/* Don't reorder!!! */
234 	mb();
235 
236 	return empty && ECORE_LIST_IS_EMPTY(&o->pending_comp);
237 }
238 
239 static struct ecore_exeq_elem *ecore_exe_queue_alloc_elem(struct
240 							  bnx2x_softc *sc
241 							  __rte_unused)
242 {
243 	ECORE_MSG(sc, "Allocating a new exe_queue element");
244 	return ECORE_ZALLOC(sizeof(struct ecore_exeq_elem), GFP_ATOMIC, sc);
245 }
246 
247 /************************ raw_obj functions ***********************************/
248 static int ecore_raw_check_pending(struct ecore_raw_obj *o)
249 {
250 	/*
251 	 * !! converts the value returned by ECORE_TEST_BIT such that it
252 	 * is guaranteed not to be truncated regardless of int definition.
253 	 *
254 	 * Note we cannot simply define the function's return value type
255 	 * to match the type returned by ECORE_TEST_BIT, as it varies by
256 	 * platform/implementation.
257 	 */
258 
259 	return ! !ECORE_TEST_BIT(o->state, o->pstate);
260 }
261 
262 static void ecore_raw_clear_pending(struct ecore_raw_obj *o)
263 {
264 	ECORE_SMP_MB_BEFORE_CLEAR_BIT();
265 	ECORE_CLEAR_BIT(o->state, o->pstate);
266 	ECORE_SMP_MB_AFTER_CLEAR_BIT();
267 }
268 
269 static void ecore_raw_set_pending(struct ecore_raw_obj *o)
270 {
271 	ECORE_SMP_MB_BEFORE_CLEAR_BIT();
272 	ECORE_SET_BIT(o->state, o->pstate);
273 	ECORE_SMP_MB_AFTER_CLEAR_BIT();
274 }
275 
276 /**
277  * ecore_state_wait - wait until the given bit(state) is cleared
278  *
279  * @sc:		device handle
280  * @state:	state which is to be cleared
281  * @state_p:	state buffer
282  *
283  */
284 static int ecore_state_wait(struct bnx2x_softc *sc, int state,
285 			    unsigned long *pstate)
286 {
287 	/* can take a while if any port is running */
288 	int cnt = 5000;
289 
290 	if (CHIP_REV_IS_EMUL(sc))
291 		cnt *= 20;
292 
293 	ECORE_MSG(sc, "waiting for state to become %d", state);
294 
295 	ECORE_MIGHT_SLEEP();
296 	while (cnt--) {
297 		bnx2x_intr_legacy(sc, 1);
298 		if (!ECORE_TEST_BIT(state, pstate)) {
299 #ifdef ECORE_STOP_ON_ERROR
300 			ECORE_MSG(sc, "exit  (cnt %d)", 5000 - cnt);
301 #endif
302 			return ECORE_SUCCESS;
303 		}
304 
305 		ECORE_WAIT(sc, delay_us);
306 
307 		if (sc->panic)
308 			return ECORE_IO;
309 	}
310 
311 	/* timeout! */
312 	PMD_DRV_LOG(ERR, sc, "timeout waiting for state %d", state);
313 #ifdef ECORE_STOP_ON_ERROR
314 	ecore_panic();
315 #endif
316 
317 	return ECORE_TIMEOUT;
318 }
319 
320 static int ecore_raw_wait(struct bnx2x_softc *sc, struct ecore_raw_obj *raw)
321 {
322 	return ecore_state_wait(sc, raw->state, raw->pstate);
323 }
324 
325 /***************** Classification verbs: Set/Del MAC/VLAN/VLAN-MAC ************/
326 /* credit handling callbacks */
327 static int ecore_get_cam_offset_mac(struct ecore_vlan_mac_obj *o, int *offset)
328 {
329 	struct ecore_credit_pool_obj *mp = o->macs_pool;
330 
331 	ECORE_DBG_BREAK_IF(!mp);
332 
333 	return mp->get_entry(mp, offset);
334 }
335 
336 static int ecore_get_credit_mac(struct ecore_vlan_mac_obj *o)
337 {
338 	struct ecore_credit_pool_obj *mp = o->macs_pool;
339 
340 	ECORE_DBG_BREAK_IF(!mp);
341 
342 	return mp->get(mp, 1);
343 }
344 
345 static int ecore_put_cam_offset_mac(struct ecore_vlan_mac_obj *o, int offset)
346 {
347 	struct ecore_credit_pool_obj *mp = o->macs_pool;
348 
349 	return mp->put_entry(mp, offset);
350 }
351 
352 static int ecore_put_credit_mac(struct ecore_vlan_mac_obj *o)
353 {
354 	struct ecore_credit_pool_obj *mp = o->macs_pool;
355 
356 	return mp->put(mp, 1);
357 }
358 
359 /**
360  * __ecore_vlan_mac_h_write_trylock - try getting the writer lock on vlan mac
361  * head list.
362  *
363  * @sc:		device handle
364  * @o:		vlan_mac object
365  *
366  * @details: Non-blocking implementation; should be called under execution
367  *           queue lock.
368  */
369 static int __ecore_vlan_mac_h_write_trylock(struct bnx2x_softc *sc __rte_unused,
370 					    struct ecore_vlan_mac_obj *o)
371 {
372 	if (o->head_reader) {
373 		ECORE_MSG(sc, "vlan_mac_lock writer - There are readers; Busy");
374 		return ECORE_BUSY;
375 	}
376 
377 	ECORE_MSG(sc, "vlan_mac_lock writer - Taken");
378 	return ECORE_SUCCESS;
379 }
380 
381 /**
382  * __ecore_vlan_mac_h_exec_pending - execute step instead of a previous step
383  * which wasn't able to run due to a taken lock on vlan mac head list.
384  *
385  * @sc:		device handle
386  * @o:		vlan_mac object
387  *
388  * @details Should be called under execution queue lock; notice it might release
389  *          and reclaim it during its run.
390  */
391 static void __ecore_vlan_mac_h_exec_pending(struct bnx2x_softc *sc,
392 					    struct ecore_vlan_mac_obj *o)
393 {
394 	int rc;
395 	unsigned long ramrod_flags = o->saved_ramrod_flags;
396 
397 	ECORE_MSG(sc, "vlan_mac_lock execute pending command with ramrod flags %lu",
398 		  ramrod_flags);
399 	o->head_exe_request = FALSE;
400 	o->saved_ramrod_flags = 0;
401 	rc = ecore_exe_queue_step(sc, &o->exe_queue, &ramrod_flags);
402 	if (rc != ECORE_SUCCESS) {
403 		PMD_DRV_LOG(ERR, sc,
404 			    "execution of pending commands failed with rc %d",
405 			    rc);
406 #ifdef ECORE_STOP_ON_ERROR
407 		ecore_panic();
408 #endif
409 	}
410 }
411 
412 /**
413  * __ecore_vlan_mac_h_pend - Pend an execution step which couldn't have been
414  * called due to vlan mac head list lock being taken.
415  *
416  * @sc:			device handle
417  * @o:			vlan_mac object
418  * @ramrod_flags:	ramrod flags of missed execution
419  *
420  * @details Should be called under execution queue lock.
421  */
422 static void __ecore_vlan_mac_h_pend(struct bnx2x_softc *sc __rte_unused,
423 				    struct ecore_vlan_mac_obj *o,
424 				    unsigned long ramrod_flags)
425 {
426 	o->head_exe_request = TRUE;
427 	o->saved_ramrod_flags = ramrod_flags;
428 	ECORE_MSG(sc, "Placing pending execution with ramrod flags %lu",
429 		  ramrod_flags);
430 }
431 
432 /**
433  * __ecore_vlan_mac_h_write_unlock - unlock the vlan mac head list writer lock
434  *
435  * @sc:			device handle
436  * @o:			vlan_mac object
437  *
438  * @details Should be called under execution queue lock. Notice if a pending
439  *          execution exists, it would perform it - possibly releasing and
440  *          reclaiming the execution queue lock.
441  */
442 static void __ecore_vlan_mac_h_write_unlock(struct bnx2x_softc *sc,
443 					    struct ecore_vlan_mac_obj *o)
444 {
445 	/* It's possible a new pending execution was added since this writer
446 	 * executed. If so, execute again. [Ad infinitum]
447 	 */
448 	while (o->head_exe_request) {
449 		ECORE_MSG(sc,
450 			  "vlan_mac_lock - writer release encountered a pending request");
451 		__ecore_vlan_mac_h_exec_pending(sc, o);
452 	}
453 }
454 
455 /**
456  * ecore_vlan_mac_h_write_unlock - unlock the vlan mac head list writer lock
457  *
458  * @sc:			device handle
459  * @o:			vlan_mac object
460  *
461  * @details Notice if a pending execution exists, it would perform it -
462  *          possibly releasing and reclaiming the execution queue lock.
463  */
464 void ecore_vlan_mac_h_write_unlock(struct bnx2x_softc *sc,
465 				   struct ecore_vlan_mac_obj *o)
466 {
467 	ECORE_SPIN_LOCK_BH(&o->exe_queue.lock);
468 	__ecore_vlan_mac_h_write_unlock(sc, o);
469 	ECORE_SPIN_UNLOCK_BH(&o->exe_queue.lock);
470 }
471 
472 /**
473  * __ecore_vlan_mac_h_read_lock - lock the vlan mac head list reader lock
474  *
475  * @sc:			device handle
476  * @o:			vlan_mac object
477  *
478  * @details Should be called under the execution queue lock. May sleep. May
479  *          release and reclaim execution queue lock during its run.
480  */
481 static int __ecore_vlan_mac_h_read_lock(struct bnx2x_softc *sc __rte_unused,
482 					struct ecore_vlan_mac_obj *o)
483 {
484 	/* If we got here, we're holding lock --> no WRITER exists */
485 	o->head_reader++;
486 	ECORE_MSG(sc,
487 		  "vlan_mac_lock - locked reader - number %d", o->head_reader);
488 
489 	return ECORE_SUCCESS;
490 }
491 
492 /**
493  * ecore_vlan_mac_h_read_lock - lock the vlan mac head list reader lock
494  *
495  * @sc:			device handle
496  * @o:			vlan_mac object
497  *
498  * @details May sleep. Claims and releases execution queue lock during its run.
499  */
500 static int ecore_vlan_mac_h_read_lock(struct bnx2x_softc *sc,
501 				      struct ecore_vlan_mac_obj *o)
502 {
503 	int rc;
504 
505 	ECORE_SPIN_LOCK_BH(&o->exe_queue.lock);
506 	rc = __ecore_vlan_mac_h_read_lock(sc, o);
507 	ECORE_SPIN_UNLOCK_BH(&o->exe_queue.lock);
508 
509 	return rc;
510 }
511 
512 /**
513  * __ecore_vlan_mac_h_read_unlock - unlock the vlan mac head list reader lock
514  *
515  * @sc:			device handle
516  * @o:			vlan_mac object
517  *
518  * @details Should be called under execution queue lock. Notice if a pending
519  *          execution exists, it would be performed if this was the last
520  *          reader. possibly releasing and reclaiming the execution queue lock.
521  */
522 static void __ecore_vlan_mac_h_read_unlock(struct bnx2x_softc *sc,
523 					   struct ecore_vlan_mac_obj *o)
524 {
525 	if (!o->head_reader) {
526 		PMD_DRV_LOG(ERR, sc,
527 			    "Need to release vlan mac reader lock, but lock isn't taken");
528 #ifdef ECORE_STOP_ON_ERROR
529 		ecore_panic();
530 #endif
531 	} else {
532 		o->head_reader--;
533 		PMD_DRV_LOG(INFO, sc,
534 			    "vlan_mac_lock - decreased readers to %d",
535 			    o->head_reader);
536 	}
537 
538 	/* It's possible a new pending execution was added, and that this reader
539 	 * was last - if so we need to execute the command.
540 	 */
541 	if (!o->head_reader && o->head_exe_request) {
542 		PMD_DRV_LOG(INFO, sc,
543 			    "vlan_mac_lock - reader release encountered a pending request");
544 
545 		/* Writer release will do the trick */
546 		__ecore_vlan_mac_h_write_unlock(sc, o);
547 	}
548 }
549 
550 /**
551  * ecore_vlan_mac_h_read_unlock - unlock the vlan mac head list reader lock
552  *
553  * @sc:			device handle
554  * @o:			vlan_mac object
555  *
556  * @details Notice if a pending execution exists, it would be performed if this
557  *          was the last reader. Claims and releases the execution queue lock
558  *          during its run.
559  */
560 void ecore_vlan_mac_h_read_unlock(struct bnx2x_softc *sc,
561 				  struct ecore_vlan_mac_obj *o)
562 {
563 	ECORE_SPIN_LOCK_BH(&o->exe_queue.lock);
564 	__ecore_vlan_mac_h_read_unlock(sc, o);
565 	ECORE_SPIN_UNLOCK_BH(&o->exe_queue.lock);
566 }
567 
568 /**
569  * ecore_vlan_mac_h_read_unlock - unlock the vlan mac head list reader lock
570  *
571  * @sc:			device handle
572  * @o:			vlan_mac object
573  * @n:			number of elements to get
574  * @base:		base address for element placement
575  * @stride:		stride between elements (in bytes)
576  */
577 static int ecore_get_n_elements(struct bnx2x_softc *sc,
578 				struct ecore_vlan_mac_obj *o, int n,
579 				uint8_t * base, uint8_t stride, uint8_t size)
580 {
581 	struct ecore_vlan_mac_registry_elem *pos;
582 	uint8_t *next = base;
583 	int counter = 0, read_lock;
584 
585 	ECORE_MSG(sc, "get_n_elements - taking vlan_mac_lock (reader)");
586 	read_lock = ecore_vlan_mac_h_read_lock(sc, o);
587 	if (read_lock != ECORE_SUCCESS)
588 		PMD_DRV_LOG(ERR, sc,
589 			    "get_n_elements failed to get vlan mac reader lock; Access without lock");
590 
591 	/* traverse list */
592 	ECORE_LIST_FOR_EACH_ENTRY(pos, &o->head, link,
593 				  struct ecore_vlan_mac_registry_elem) {
594 		if (counter < n) {
595 			ECORE_MEMCPY(next, &pos->u, size);
596 			counter++;
597 			    ECORE_MSG
598 			    (sc, "copied element number %d to address %p element was:",
599 			     counter, next);
600 			next += stride + size;
601 		}
602 	}
603 
604 	if (read_lock == ECORE_SUCCESS) {
605 		ECORE_MSG(sc, "get_n_elements - releasing vlan_mac_lock (reader)");
606 		ecore_vlan_mac_h_read_unlock(sc, o);
607 	}
608 
609 	return counter * ETH_ALEN;
610 }
611 
612 /* check_add() callbacks */
613 static int ecore_check_mac_add(struct bnx2x_softc *sc __rte_unused,
614 			       struct ecore_vlan_mac_obj *o,
615 			       union ecore_classification_ramrod_data *data)
616 {
617 	struct ecore_vlan_mac_registry_elem *pos;
618 
619 	ECORE_MSG(sc, "Checking MAC %02x:%02x:%02x:%02x:%02x:%02x for ADD command",
620 		  data->mac.mac[0], data->mac.mac[1], data->mac.mac[2],
621 		  data->mac.mac[3], data->mac.mac[4], data->mac.mac[5]);
622 
623 	if (!ECORE_IS_VALID_ETHER_ADDR(data->mac.mac))
624 		return ECORE_INVAL;
625 
626 	/* Check if a requested MAC already exists */
627 	ECORE_LIST_FOR_EACH_ENTRY(pos, &o->head, link,
628 				  struct ecore_vlan_mac_registry_elem)
629 	    if (!ECORE_MEMCMP(data->mac.mac, pos->u.mac.mac, ETH_ALEN) &&
630 		(data->mac.is_inner_mac == pos->u.mac.is_inner_mac))
631 		return ECORE_EXISTS;
632 
633 	return ECORE_SUCCESS;
634 }
635 
636 /* check_del() callbacks */
637 static struct ecore_vlan_mac_registry_elem *ecore_check_mac_del(struct bnx2x_softc
638 								*sc
639 								__rte_unused,
640 								struct
641 								ecore_vlan_mac_obj
642 								*o, union
643 								ecore_classification_ramrod_data
644 								*data)
645 {
646 	struct ecore_vlan_mac_registry_elem *pos;
647 
648 	ECORE_MSG(sc, "Checking MAC %02x:%02x:%02x:%02x:%02x:%02x for DEL command",
649 		  data->mac.mac[0], data->mac.mac[1], data->mac.mac[2],
650 		  data->mac.mac[3], data->mac.mac[4], data->mac.mac[5]);
651 
652 	ECORE_LIST_FOR_EACH_ENTRY(pos, &o->head, link,
653 				  struct ecore_vlan_mac_registry_elem)
654 	if ((!ECORE_MEMCMP(data->mac.mac, pos->u.mac.mac, ETH_ALEN)) &&
655 	    (data->mac.is_inner_mac == pos->u.mac.is_inner_mac))
656 		return pos;
657 
658 	return NULL;
659 }
660 
661 /* check_move() callback */
662 static int ecore_check_move(struct bnx2x_softc *sc,
663 			    struct ecore_vlan_mac_obj *src_o,
664 			    struct ecore_vlan_mac_obj *dst_o,
665 			    union ecore_classification_ramrod_data *data)
666 {
667 	struct ecore_vlan_mac_registry_elem *pos;
668 	int rc;
669 
670 	/* Check if we can delete the requested configuration from the first
671 	 * object.
672 	 */
673 	pos = src_o->check_del(sc, src_o, data);
674 
675 	/*  check if configuration can be added */
676 	rc = dst_o->check_add(sc, dst_o, data);
677 
678 	/* If this classification can not be added (is already set)
679 	 * or can't be deleted - return an error.
680 	 */
681 	if (rc || !pos)
682 		return FALSE;
683 
684 	return TRUE;
685 }
686 
687 static int ecore_check_move_always_err(__rte_unused struct bnx2x_softc *sc,
688 				       __rte_unused struct ecore_vlan_mac_obj
689 				       *src_o, __rte_unused struct ecore_vlan_mac_obj
690 				       *dst_o, __rte_unused union
691 				       ecore_classification_ramrod_data *data)
692 {
693 	return FALSE;
694 }
695 
696 static uint8_t ecore_vlan_mac_get_rx_tx_flag(struct ecore_vlan_mac_obj
697 					     *o)
698 {
699 	struct ecore_raw_obj *raw = &o->raw;
700 	uint8_t rx_tx_flag = 0;
701 
702 	if ((raw->obj_type == ECORE_OBJ_TYPE_TX) ||
703 	    (raw->obj_type == ECORE_OBJ_TYPE_RX_TX))
704 		rx_tx_flag |= ETH_CLASSIFY_CMD_HEADER_TX_CMD;
705 
706 	if ((raw->obj_type == ECORE_OBJ_TYPE_RX) ||
707 	    (raw->obj_type == ECORE_OBJ_TYPE_RX_TX))
708 		rx_tx_flag |= ETH_CLASSIFY_CMD_HEADER_RX_CMD;
709 
710 	return rx_tx_flag;
711 }
712 
713 static void ecore_set_mac_in_nig(struct bnx2x_softc *sc,
714 				 int add, unsigned char *dev_addr, int index)
715 {
716 	uint32_t wb_data[2];
717 	uint32_t reg_offset = ECORE_PORT_ID(sc) ? NIG_REG_LLH1_FUNC_MEM :
718 	    NIG_REG_LLH0_FUNC_MEM;
719 
720 	if (!ECORE_IS_MF_SI_MODE(sc) && !IS_MF_AFEX(sc))
721 		return;
722 
723 	if (index > ECORE_LLH_CAM_MAX_PF_LINE)
724 		return;
725 
726 	ECORE_MSG(sc, "Going to %s LLH configuration at entry %d",
727 		  (add ? "ADD" : "DELETE"), index);
728 
729 	if (add) {
730 		/* LLH_FUNC_MEM is a uint64_t WB register */
731 		reg_offset += 8 * index;
732 
733 		wb_data[0] = ((dev_addr[2] << 24) | (dev_addr[3] << 16) |
734 			      (dev_addr[4] << 8) | dev_addr[5]);
735 		wb_data[1] = ((dev_addr[0] << 8) | dev_addr[1]);
736 
737 		ECORE_REG_WR_DMAE_LEN(sc, reg_offset, wb_data, 2);
738 	}
739 
740 	REG_WR(sc, (ECORE_PORT_ID(sc) ? NIG_REG_LLH1_FUNC_MEM_ENABLE :
741 		    NIG_REG_LLH0_FUNC_MEM_ENABLE) + 4 * index, add);
742 }
743 
744 /**
745  * ecore_vlan_mac_set_cmd_hdr_e2 - set a header in a single classify ramrod
746  *
747  * @sc:		device handle
748  * @o:		queue for which we want to configure this rule
749  * @add:	if TRUE the command is an ADD command, DEL otherwise
750  * @opcode:	CLASSIFY_RULE_OPCODE_XXX
751  * @hdr:	pointer to a header to setup
752  *
753  */
754 static void ecore_vlan_mac_set_cmd_hdr_e2(struct ecore_vlan_mac_obj *o,
755 					  int add, int opcode,
756 					  struct eth_classify_cmd_header
757 					  *hdr)
758 {
759 	struct ecore_raw_obj *raw = &o->raw;
760 
761 	hdr->client_id = raw->cl_id;
762 	hdr->func_id = raw->func_id;
763 
764 	/* Rx or/and Tx (internal switching) configuration ? */
765 	hdr->cmd_general_data |= ecore_vlan_mac_get_rx_tx_flag(o);
766 
767 	if (add)
768 		hdr->cmd_general_data |= ETH_CLASSIFY_CMD_HEADER_IS_ADD;
769 
770 	hdr->cmd_general_data |=
771 	    (opcode << ETH_CLASSIFY_CMD_HEADER_OPCODE_SHIFT);
772 }
773 
774 /**
775  * ecore_vlan_mac_set_rdata_hdr_e2 - set the classify ramrod data header
776  *
777  * @cid:	connection id
778  * @type:	ECORE_FILTER_XXX_PENDING
779  * @hdr:	pointer to header to setup
780  * @rule_cnt:
781  *
782  * currently we always configure one rule and echo field to contain a CID and an
783  * opcode type.
784  */
785 static void ecore_vlan_mac_set_rdata_hdr_e2(uint32_t cid, int type, struct eth_classify_header
786 					    *hdr, int rule_cnt)
787 {
788 	hdr->echo = ECORE_CPU_TO_LE32((cid & ECORE_SWCID_MASK) |
789 				      (type << ECORE_SWCID_SHIFT));
790 	hdr->rule_cnt = (uint8_t) rule_cnt;
791 }
792 
793 /* hw_config() callbacks */
794 static void ecore_set_one_mac_e2(struct bnx2x_softc *sc,
795 				 struct ecore_vlan_mac_obj *o,
796 				 struct ecore_exeq_elem *elem, int rule_idx,
797 				 __rte_unused int cam_offset)
798 {
799 	struct ecore_raw_obj *raw = &o->raw;
800 	struct eth_classify_rules_ramrod_data *data =
801 	    (struct eth_classify_rules_ramrod_data *)(raw->rdata);
802 	int rule_cnt = rule_idx + 1, cmd = elem->cmd_data.vlan_mac.cmd;
803 	union eth_classify_rule_cmd *rule_entry = &data->rules[rule_idx];
804 	int add = (cmd == ECORE_VLAN_MAC_ADD) ? TRUE : FALSE;
805 	unsigned long *vlan_mac_flags = &elem->cmd_data.vlan_mac.vlan_mac_flags;
806 	uint8_t *mac = elem->cmd_data.vlan_mac.u.mac.mac;
807 
808 	/* Set LLH CAM entry: currently only iSCSI and ETH macs are
809 	 * relevant. In addition, current implementation is tuned for a
810 	 * single ETH MAC.
811 	 *
812 	 * When multiple unicast ETH MACs PF configuration in switch
813 	 * independent mode is required (NetQ, multiple netdev MACs,
814 	 * etc.), consider better utilisation of 8 per function MAC
815 	 * entries in the LLH register. There is also
816 	 * NIG_REG_P[01]_LLH_FUNC_MEM2 registers that complete the
817 	 * total number of CAM entries to 16.
818 	 *
819 	 * Currently we won't configure NIG for MACs other than a primary ETH
820 	 * MAC and iSCSI L2 MAC.
821 	 *
822 	 * If this MAC is moving from one Queue to another, no need to change
823 	 * NIG configuration.
824 	 */
825 	if (cmd != ECORE_VLAN_MAC_MOVE) {
826 		if (ECORE_TEST_BIT(ECORE_ISCSI_ETH_MAC, vlan_mac_flags))
827 			ecore_set_mac_in_nig(sc, add, mac,
828 					     ECORE_LLH_CAM_ISCSI_ETH_LINE);
829 		else if (ECORE_TEST_BIT(ECORE_ETH_MAC, vlan_mac_flags))
830 			ecore_set_mac_in_nig(sc, add, mac,
831 					     ECORE_LLH_CAM_ETH_LINE);
832 	}
833 
834 	/* Reset the ramrod data buffer for the first rule */
835 	if (rule_idx == 0)
836 		ECORE_MEMSET(data, 0, sizeof(*data));
837 
838 	/* Setup a command header */
839 	ecore_vlan_mac_set_cmd_hdr_e2(o, add, CLASSIFY_RULE_OPCODE_MAC,
840 				      &rule_entry->mac.header);
841 
842 	ECORE_MSG(sc, "About to %s MAC %02x:%02x:%02x:%02x:%02x:%02x for Queue %d",
843 		  (add ? "add" : "delete"), mac[0], mac[1], mac[2], mac[3],
844 		  mac[4], mac[5], raw->cl_id);
845 
846 	/* Set a MAC itself */
847 	ecore_set_fw_mac_addr(&rule_entry->mac.mac_msb,
848 			      &rule_entry->mac.mac_mid,
849 			      &rule_entry->mac.mac_lsb, mac);
850 	rule_entry->mac.inner_mac = elem->cmd_data.vlan_mac.u.mac.is_inner_mac;
851 
852 	/* MOVE: Add a rule that will add this MAC to the target Queue */
853 	if (cmd == ECORE_VLAN_MAC_MOVE) {
854 		rule_entry++;
855 		rule_cnt++;
856 
857 		/* Setup ramrod data */
858 		ecore_vlan_mac_set_cmd_hdr_e2(elem->cmd_data.
859 					      vlan_mac.target_obj, TRUE,
860 					      CLASSIFY_RULE_OPCODE_MAC,
861 					      &rule_entry->mac.header);
862 
863 		/* Set a MAC itself */
864 		ecore_set_fw_mac_addr(&rule_entry->mac.mac_msb,
865 				      &rule_entry->mac.mac_mid,
866 				      &rule_entry->mac.mac_lsb, mac);
867 		rule_entry->mac.inner_mac =
868 		    elem->cmd_data.vlan_mac.u.mac.is_inner_mac;
869 	}
870 
871 	/* Set the ramrod data header */
872 	ecore_vlan_mac_set_rdata_hdr_e2(raw->cid, raw->state, &data->header,
873 					rule_cnt);
874 }
875 
876 /**
877  * ecore_vlan_mac_set_rdata_hdr_e1x - set a header in a single classify ramrod
878  *
879  * @sc:		device handle
880  * @o:		queue
881  * @type:
882  * @cam_offset:	offset in cam memory
883  * @hdr:	pointer to a header to setup
884  *
885  * E1H
886  */
887 static void ecore_vlan_mac_set_rdata_hdr_e1x(struct ecore_vlan_mac_obj
888 					     *o, int type, int cam_offset, struct mac_configuration_hdr
889 					     *hdr)
890 {
891 	struct ecore_raw_obj *r = &o->raw;
892 
893 	hdr->length = 1;
894 	hdr->offset = (uint8_t) cam_offset;
895 	hdr->client_id = ECORE_CPU_TO_LE16(0xff);
896 	hdr->echo = ECORE_CPU_TO_LE32((r->cid & ECORE_SWCID_MASK) |
897 				      (type << ECORE_SWCID_SHIFT));
898 }
899 
900 static void ecore_vlan_mac_set_cfg_entry_e1x(struct ecore_vlan_mac_obj
901 					     *o, int add, int opcode,
902 					     uint8_t * mac,
903 					     uint16_t vlan_id, struct
904 					     mac_configuration_entry
905 					     *cfg_entry)
906 {
907 	struct ecore_raw_obj *r = &o->raw;
908 	uint32_t cl_bit_vec = (1 << r->cl_id);
909 
910 	cfg_entry->clients_bit_vector = ECORE_CPU_TO_LE32(cl_bit_vec);
911 	cfg_entry->pf_id = r->func_id;
912 	cfg_entry->vlan_id = ECORE_CPU_TO_LE16(vlan_id);
913 
914 	if (add) {
915 		ECORE_SET_FLAG(cfg_entry->flags,
916 			       MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
917 			       T_ETH_MAC_COMMAND_SET);
918 		ECORE_SET_FLAG(cfg_entry->flags,
919 			       MAC_CONFIGURATION_ENTRY_VLAN_FILTERING_MODE,
920 			       opcode);
921 
922 		/* Set a MAC in a ramrod data */
923 		ecore_set_fw_mac_addr(&cfg_entry->msb_mac_addr,
924 				      &cfg_entry->middle_mac_addr,
925 				      &cfg_entry->lsb_mac_addr, mac);
926 	} else
927 		ECORE_SET_FLAG(cfg_entry->flags,
928 			       MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
929 			       T_ETH_MAC_COMMAND_INVALIDATE);
930 }
931 
932 static void ecore_vlan_mac_set_rdata_e1x(struct bnx2x_softc *sc
933 					 __rte_unused,
934 					 struct ecore_vlan_mac_obj *o,
935 					 int type, int cam_offset,
936 					 int add, uint8_t * mac,
937 					 uint16_t vlan_id, int opcode,
938 					 struct mac_configuration_cmd
939 					 *config)
940 {
941 	struct mac_configuration_entry *cfg_entry = &config->config_table[0];
942 
943 	ecore_vlan_mac_set_rdata_hdr_e1x(o, type, cam_offset, &config->hdr);
944 	ecore_vlan_mac_set_cfg_entry_e1x(o, add, opcode, mac, vlan_id,
945 					 cfg_entry);
946 
947 	ECORE_MSG(sc, "%s MAC %02x:%02x:%02x:%02x:%02x:%02x CLID %d CAM offset %d",
948 		  (add ? "setting" : "clearing"),
949 		  mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
950 		  o->raw.cl_id, cam_offset);
951 }
952 
953 /**
954  * ecore_set_one_mac_e1x - fill a single MAC rule ramrod data
955  *
956  * @sc:		device handle
957  * @o:		ecore_vlan_mac_obj
958  * @elem:	ecore_exeq_elem
959  * @rule_idx:	rule_idx
960  * @cam_offset: cam_offset
961  */
962 static void ecore_set_one_mac_e1x(struct bnx2x_softc *sc,
963 				  struct ecore_vlan_mac_obj *o,
964 				  struct ecore_exeq_elem *elem,
965 				  __rte_unused int rule_idx, int cam_offset)
966 {
967 	struct ecore_raw_obj *raw = &o->raw;
968 	struct mac_configuration_cmd *config =
969 	    (struct mac_configuration_cmd *)(raw->rdata);
970 	/* 57711 do not support MOVE command,
971 	 * so it's either ADD or DEL
972 	 */
973 	int add = (elem->cmd_data.vlan_mac.cmd == ECORE_VLAN_MAC_ADD) ?
974 	    TRUE : FALSE;
975 
976 	/* Reset the ramrod data buffer */
977 	ECORE_MEMSET(config, 0, sizeof(*config));
978 
979 	ecore_vlan_mac_set_rdata_e1x(sc, o, raw->state,
980 				     cam_offset, add,
981 				     elem->cmd_data.vlan_mac.u.mac.mac, 0,
982 				     ETH_VLAN_FILTER_ANY_VLAN, config);
983 }
984 
985 /**
986  * ecore_vlan_mac_restore - reconfigure next MAC/VLAN/VLAN-MAC element
987  *
988  * @sc:		device handle
989  * @p:		command parameters
990  * @ppos:	pointer to the cookie
991  *
992  * reconfigure next MAC/VLAN/VLAN-MAC element from the
993  * previously configured elements list.
994  *
995  * from command parameters only RAMROD_COMP_WAIT bit in ramrod_flags is	taken
996  * into an account
997  *
998  * pointer to the cookie  - that should be given back in the next call to make
999  * function handle the next element. If *ppos is set to NULL it will restart the
1000  * iterator. If returned *ppos == NULL this means that the last element has been
1001  * handled.
1002  *
1003  */
1004 static int ecore_vlan_mac_restore(struct bnx2x_softc *sc,
1005 				  struct ecore_vlan_mac_ramrod_params *p,
1006 				  struct ecore_vlan_mac_registry_elem **ppos)
1007 {
1008 	struct ecore_vlan_mac_registry_elem *pos;
1009 	struct ecore_vlan_mac_obj *o = p->vlan_mac_obj;
1010 
1011 	/* If list is empty - there is nothing to do here */
1012 	if (ECORE_LIST_IS_EMPTY(&o->head)) {
1013 		*ppos = NULL;
1014 		return 0;
1015 	}
1016 
1017 	/* make a step... */
1018 	if (*ppos == NULL)
1019 		*ppos = ECORE_LIST_FIRST_ENTRY(&o->head, struct
1020 					       ecore_vlan_mac_registry_elem,
1021 					       link);
1022 	else
1023 		*ppos = ECORE_LIST_NEXT(*ppos, link,
1024 					struct ecore_vlan_mac_registry_elem);
1025 
1026 	pos = *ppos;
1027 
1028 	/* If it's the last step - return NULL */
1029 	if (ECORE_LIST_IS_LAST(&pos->link, &o->head))
1030 		*ppos = NULL;
1031 
1032 	/* Prepare a 'user_req' */
1033 	ECORE_MEMCPY(&p->user_req.u, &pos->u, sizeof(pos->u));
1034 
1035 	/* Set the command */
1036 	p->user_req.cmd = ECORE_VLAN_MAC_ADD;
1037 
1038 	/* Set vlan_mac_flags */
1039 	p->user_req.vlan_mac_flags = pos->vlan_mac_flags;
1040 
1041 	/* Set a restore bit */
1042 	ECORE_SET_BIT_NA(RAMROD_RESTORE, &p->ramrod_flags);
1043 
1044 	return ecore_config_vlan_mac(sc, p);
1045 }
1046 
1047 /* ecore_exeq_get_mac/ecore_exeq_get_vlan/ecore_exeq_get_vlan_mac return a
1048  * pointer to an element with a specific criteria and NULL if such an element
1049  * hasn't been found.
1050  */
1051 static struct ecore_exeq_elem *ecore_exeq_get_mac(struct ecore_exe_queue_obj *o,
1052 						  struct ecore_exeq_elem *elem)
1053 {
1054 	struct ecore_exeq_elem *pos;
1055 	struct ecore_mac_ramrod_data *data = &elem->cmd_data.vlan_mac.u.mac;
1056 
1057 	/* Check pending for execution commands */
1058 	ECORE_LIST_FOR_EACH_ENTRY(pos, &o->exe_queue, link,
1059 				  struct ecore_exeq_elem)
1060 	if (!ECORE_MEMCMP(&pos->cmd_data.vlan_mac.u.mac, data,
1061 			  sizeof(*data)) &&
1062 	    (pos->cmd_data.vlan_mac.cmd == elem->cmd_data.vlan_mac.cmd))
1063 		return pos;
1064 
1065 	return NULL;
1066 }
1067 
1068 /**
1069  * ecore_validate_vlan_mac_add - check if an ADD command can be executed
1070  *
1071  * @sc:		device handle
1072  * @qo:		ecore_qable_obj
1073  * @elem:	ecore_exeq_elem
1074  *
1075  * Checks that the requested configuration can be added. If yes and if
1076  * requested, consume CAM credit.
1077  *
1078  * The 'validate' is run after the 'optimize'.
1079  *
1080  */
1081 static int ecore_validate_vlan_mac_add(struct bnx2x_softc *sc,
1082 				       union ecore_qable_obj *qo,
1083 				       struct ecore_exeq_elem *elem)
1084 {
1085 	struct ecore_vlan_mac_obj *o = &qo->vlan_mac;
1086 	struct ecore_exe_queue_obj *exeq = &o->exe_queue;
1087 	int rc;
1088 
1089 	/* Check the registry */
1090 	rc = o->check_add(sc, o, &elem->cmd_data.vlan_mac.u);
1091 	if (rc) {
1092 		ECORE_MSG(sc,
1093 			  "ADD command is not allowed considering current registry state.");
1094 		return rc;
1095 	}
1096 
1097 	/* Check if there is a pending ADD command for this
1098 	 * MAC/VLAN/VLAN-MAC. Return an error if there is.
1099 	 */
1100 	if (exeq->get(exeq, elem)) {
1101 		ECORE_MSG(sc, "There is a pending ADD command already");
1102 		return ECORE_EXISTS;
1103 	}
1104 
1105 	/* Consume the credit if not requested not to */
1106 	if (!(ECORE_TEST_BIT(ECORE_DONT_CONSUME_CAM_CREDIT,
1107 			     &elem->cmd_data.vlan_mac.vlan_mac_flags) ||
1108 	      o->get_credit(o)))
1109 		return ECORE_INVAL;
1110 
1111 	return ECORE_SUCCESS;
1112 }
1113 
1114 /**
1115  * ecore_validate_vlan_mac_del - check if the DEL command can be executed
1116  *
1117  * @sc:		device handle
1118  * @qo:		quable object to check
1119  * @elem:	element that needs to be deleted
1120  *
1121  * Checks that the requested configuration can be deleted. If yes and if
1122  * requested, returns a CAM credit.
1123  *
1124  * The 'validate' is run after the 'optimize'.
1125  */
1126 static int ecore_validate_vlan_mac_del(struct bnx2x_softc *sc,
1127 				       union ecore_qable_obj *qo,
1128 				       struct ecore_exeq_elem *elem)
1129 {
1130 	struct ecore_vlan_mac_obj *o = &qo->vlan_mac;
1131 	struct ecore_vlan_mac_registry_elem *pos;
1132 	struct ecore_exe_queue_obj *exeq = &o->exe_queue;
1133 	struct ecore_exeq_elem query_elem;
1134 
1135 	/* If this classification can not be deleted (doesn't exist)
1136 	 * - return a ECORE_EXIST.
1137 	 */
1138 	pos = o->check_del(sc, o, &elem->cmd_data.vlan_mac.u);
1139 	if (!pos) {
1140 		ECORE_MSG(sc,
1141 			  "DEL command is not allowed considering current registry state");
1142 		return ECORE_EXISTS;
1143 	}
1144 
1145 	/* Check if there are pending DEL or MOVE commands for this
1146 	 * MAC/VLAN/VLAN-MAC. Return an error if so.
1147 	 */
1148 	ECORE_MEMCPY(&query_elem, elem, sizeof(query_elem));
1149 
1150 	/* Check for MOVE commands */
1151 	query_elem.cmd_data.vlan_mac.cmd = ECORE_VLAN_MAC_MOVE;
1152 	if (exeq->get(exeq, &query_elem)) {
1153 		PMD_DRV_LOG(ERR, sc, "There is a pending MOVE command already");
1154 		return ECORE_INVAL;
1155 	}
1156 
1157 	/* Check for DEL commands */
1158 	if (exeq->get(exeq, elem)) {
1159 		ECORE_MSG(sc, "There is a pending DEL command already");
1160 		return ECORE_EXISTS;
1161 	}
1162 
1163 	/* Return the credit to the credit pool if not requested not to */
1164 	if (!(ECORE_TEST_BIT(ECORE_DONT_CONSUME_CAM_CREDIT,
1165 			     &elem->cmd_data.vlan_mac.vlan_mac_flags) ||
1166 	      o->put_credit(o))) {
1167 		PMD_DRV_LOG(ERR, sc, "Failed to return a credit");
1168 		return ECORE_INVAL;
1169 	}
1170 
1171 	return ECORE_SUCCESS;
1172 }
1173 
1174 /**
1175  * ecore_validate_vlan_mac_move - check if the MOVE command can be executed
1176  *
1177  * @sc:		device handle
1178  * @qo:		quable object to check (source)
1179  * @elem:	element that needs to be moved
1180  *
1181  * Checks that the requested configuration can be moved. If yes and if
1182  * requested, returns a CAM credit.
1183  *
1184  * The 'validate' is run after the 'optimize'.
1185  */
1186 static int ecore_validate_vlan_mac_move(struct bnx2x_softc *sc,
1187 					union ecore_qable_obj *qo,
1188 					struct ecore_exeq_elem *elem)
1189 {
1190 	struct ecore_vlan_mac_obj *src_o = &qo->vlan_mac;
1191 	struct ecore_vlan_mac_obj *dest_o = elem->cmd_data.vlan_mac.target_obj;
1192 	struct ecore_exeq_elem query_elem;
1193 	struct ecore_exe_queue_obj *src_exeq = &src_o->exe_queue;
1194 	struct ecore_exe_queue_obj *dest_exeq = &dest_o->exe_queue;
1195 
1196 	/* Check if we can perform this operation based on the current registry
1197 	 * state.
1198 	 */
1199 	if (!src_o->check_move(sc, src_o, dest_o, &elem->cmd_data.vlan_mac.u)) {
1200 		ECORE_MSG(sc,
1201 			  "MOVE command is not allowed considering current registry state");
1202 		return ECORE_INVAL;
1203 	}
1204 
1205 	/* Check if there is an already pending DEL or MOVE command for the
1206 	 * source object or ADD command for a destination object. Return an
1207 	 * error if so.
1208 	 */
1209 	ECORE_MEMCPY(&query_elem, elem, sizeof(query_elem));
1210 
1211 	/* Check DEL on source */
1212 	query_elem.cmd_data.vlan_mac.cmd = ECORE_VLAN_MAC_DEL;
1213 	if (src_exeq->get(src_exeq, &query_elem)) {
1214 		PMD_DRV_LOG(ERR, sc,
1215 			    "There is a pending DEL command on the source queue already");
1216 		return ECORE_INVAL;
1217 	}
1218 
1219 	/* Check MOVE on source */
1220 	if (src_exeq->get(src_exeq, elem)) {
1221 		ECORE_MSG(sc, "There is a pending MOVE command already");
1222 		return ECORE_EXISTS;
1223 	}
1224 
1225 	/* Check ADD on destination */
1226 	query_elem.cmd_data.vlan_mac.cmd = ECORE_VLAN_MAC_ADD;
1227 	if (dest_exeq->get(dest_exeq, &query_elem)) {
1228 		PMD_DRV_LOG(ERR, sc,
1229 			    "There is a pending ADD command on the destination queue already");
1230 		return ECORE_INVAL;
1231 	}
1232 
1233 	/* Consume the credit if not requested not to */
1234 	if (!(ECORE_TEST_BIT(ECORE_DONT_CONSUME_CAM_CREDIT_DEST,
1235 			     &elem->cmd_data.vlan_mac.vlan_mac_flags) ||
1236 	      dest_o->get_credit(dest_o)))
1237 		return ECORE_INVAL;
1238 
1239 	if (!(ECORE_TEST_BIT(ECORE_DONT_CONSUME_CAM_CREDIT,
1240 			     &elem->cmd_data.vlan_mac.vlan_mac_flags) ||
1241 	      src_o->put_credit(src_o))) {
1242 		/* return the credit taken from dest... */
1243 		dest_o->put_credit(dest_o);
1244 		return ECORE_INVAL;
1245 	}
1246 
1247 	return ECORE_SUCCESS;
1248 }
1249 
1250 static int ecore_validate_vlan_mac(struct bnx2x_softc *sc,
1251 				   union ecore_qable_obj *qo,
1252 				   struct ecore_exeq_elem *elem)
1253 {
1254 	switch (elem->cmd_data.vlan_mac.cmd) {
1255 	case ECORE_VLAN_MAC_ADD:
1256 		return ecore_validate_vlan_mac_add(sc, qo, elem);
1257 	case ECORE_VLAN_MAC_DEL:
1258 		return ecore_validate_vlan_mac_del(sc, qo, elem);
1259 	case ECORE_VLAN_MAC_MOVE:
1260 		return ecore_validate_vlan_mac_move(sc, qo, elem);
1261 	default:
1262 		return ECORE_INVAL;
1263 	}
1264 }
1265 
1266 static int ecore_remove_vlan_mac(__rte_unused struct bnx2x_softc *sc,
1267 				 union ecore_qable_obj *qo,
1268 				 struct ecore_exeq_elem *elem)
1269 {
1270 	int rc = 0;
1271 
1272 	/* If consumption wasn't required, nothing to do */
1273 	if (ECORE_TEST_BIT(ECORE_DONT_CONSUME_CAM_CREDIT,
1274 			   &elem->cmd_data.vlan_mac.vlan_mac_flags))
1275 		return ECORE_SUCCESS;
1276 
1277 	switch (elem->cmd_data.vlan_mac.cmd) {
1278 	case ECORE_VLAN_MAC_ADD:
1279 	case ECORE_VLAN_MAC_MOVE:
1280 		rc = qo->vlan_mac.put_credit(&qo->vlan_mac);
1281 		break;
1282 	case ECORE_VLAN_MAC_DEL:
1283 		rc = qo->vlan_mac.get_credit(&qo->vlan_mac);
1284 		break;
1285 	default:
1286 		return ECORE_INVAL;
1287 	}
1288 
1289 	if (rc != TRUE)
1290 		return ECORE_INVAL;
1291 
1292 	return ECORE_SUCCESS;
1293 }
1294 
1295 /**
1296  * ecore_wait_vlan_mac - passively wait for 5 seconds until all work completes.
1297  *
1298  * @sc:		device handle
1299  * @o:		ecore_vlan_mac_obj
1300  *
1301  */
1302 static int ecore_wait_vlan_mac(struct bnx2x_softc *sc,
1303 			       struct ecore_vlan_mac_obj *o)
1304 {
1305 	int cnt = 5000, rc;
1306 	struct ecore_exe_queue_obj *exeq = &o->exe_queue;
1307 	struct ecore_raw_obj *raw = &o->raw;
1308 
1309 	while (cnt--) {
1310 		/* Wait for the current command to complete */
1311 		rc = raw->wait_comp(sc, raw);
1312 		if (rc)
1313 			return rc;
1314 
1315 		/* Wait until there are no pending commands */
1316 		if (!ecore_exe_queue_empty(exeq))
1317 			ECORE_WAIT(sc, 1000);
1318 		else
1319 			return ECORE_SUCCESS;
1320 	}
1321 
1322 	return ECORE_TIMEOUT;
1323 }
1324 
1325 static int __ecore_vlan_mac_execute_step(struct bnx2x_softc *sc,
1326 					 struct ecore_vlan_mac_obj *o,
1327 					 unsigned long *ramrod_flags)
1328 {
1329 	int rc = ECORE_SUCCESS;
1330 
1331 	ECORE_SPIN_LOCK_BH(&o->exe_queue.lock);
1332 
1333 	ECORE_MSG(sc, "vlan_mac_execute_step - trying to take writer lock");
1334 	rc = __ecore_vlan_mac_h_write_trylock(sc, o);
1335 
1336 	if (rc != ECORE_SUCCESS) {
1337 		__ecore_vlan_mac_h_pend(sc, o, *ramrod_flags);
1338 
1339 		/** Calling function should not diffrentiate between this case
1340 		 *  and the case in which there is already a pending ramrod
1341 		 */
1342 		rc = ECORE_PENDING;
1343 	} else {
1344 		rc = ecore_exe_queue_step(sc, &o->exe_queue, ramrod_flags);
1345 	}
1346 	ECORE_SPIN_UNLOCK_BH(&o->exe_queue.lock);
1347 
1348 	return rc;
1349 }
1350 
1351 /**
1352  * ecore_complete_vlan_mac - complete one VLAN-MAC ramrod
1353  *
1354  * @sc:		device handle
1355  * @o:		ecore_vlan_mac_obj
1356  * @cqe:
1357  * @cont:	if TRUE schedule next execution chunk
1358  *
1359  */
1360 static int ecore_complete_vlan_mac(struct bnx2x_softc *sc,
1361 				   struct ecore_vlan_mac_obj *o,
1362 				   union event_ring_elem *cqe,
1363 				   unsigned long *ramrod_flags)
1364 {
1365 	struct ecore_raw_obj *r = &o->raw;
1366 	int rc;
1367 
1368 	/* Reset pending list */
1369 	ecore_exe_queue_reset_pending(sc, &o->exe_queue);
1370 
1371 	/* Clear pending */
1372 	r->clear_pending(r);
1373 
1374 	/* If ramrod failed this is most likely a SW bug */
1375 	if (cqe->message.error)
1376 		return ECORE_INVAL;
1377 
1378 	/* Run the next bulk of pending commands if requested */
1379 	if (ECORE_TEST_BIT(RAMROD_CONT, ramrod_flags)) {
1380 		rc = __ecore_vlan_mac_execute_step(sc, o, ramrod_flags);
1381 		if (rc < 0)
1382 			return rc;
1383 	}
1384 
1385 	/* If there is more work to do return PENDING */
1386 	if (!ecore_exe_queue_empty(&o->exe_queue))
1387 		return ECORE_PENDING;
1388 
1389 	return ECORE_SUCCESS;
1390 }
1391 
1392 /**
1393  * ecore_optimize_vlan_mac - optimize ADD and DEL commands.
1394  *
1395  * @sc:		device handle
1396  * @o:		ecore_qable_obj
1397  * @elem:	ecore_exeq_elem
1398  */
1399 static int ecore_optimize_vlan_mac(struct bnx2x_softc *sc,
1400 				   union ecore_qable_obj *qo,
1401 				   struct ecore_exeq_elem *elem)
1402 {
1403 	struct ecore_exeq_elem query, *pos;
1404 	struct ecore_vlan_mac_obj *o = &qo->vlan_mac;
1405 	struct ecore_exe_queue_obj *exeq = &o->exe_queue;
1406 
1407 	ECORE_MEMCPY(&query, elem, sizeof(query));
1408 
1409 	switch (elem->cmd_data.vlan_mac.cmd) {
1410 	case ECORE_VLAN_MAC_ADD:
1411 		query.cmd_data.vlan_mac.cmd = ECORE_VLAN_MAC_DEL;
1412 		break;
1413 	case ECORE_VLAN_MAC_DEL:
1414 		query.cmd_data.vlan_mac.cmd = ECORE_VLAN_MAC_ADD;
1415 		break;
1416 	default:
1417 		/* Don't handle anything other than ADD or DEL */
1418 		return 0;
1419 	}
1420 
1421 	/* If we found the appropriate element - delete it */
1422 	pos = exeq->get(exeq, &query);
1423 	if (pos) {
1424 
1425 		/* Return the credit of the optimized command */
1426 		if (!ECORE_TEST_BIT(ECORE_DONT_CONSUME_CAM_CREDIT,
1427 				    &pos->cmd_data.vlan_mac.vlan_mac_flags)) {
1428 			if ((query.cmd_data.vlan_mac.cmd ==
1429 			     ECORE_VLAN_MAC_ADD) && !o->put_credit(o)) {
1430 				PMD_DRV_LOG(ERR, sc,
1431 					    "Failed to return the credit for the optimized ADD command");
1432 				return ECORE_INVAL;
1433 			} else if (!o->get_credit(o)) {	/* VLAN_MAC_DEL */
1434 				PMD_DRV_LOG(ERR, sc,
1435 					    "Failed to recover the credit from the optimized DEL command");
1436 				return ECORE_INVAL;
1437 			}
1438 		}
1439 
1440 		ECORE_MSG(sc, "Optimizing %s command",
1441 			  (elem->cmd_data.vlan_mac.cmd == ECORE_VLAN_MAC_ADD) ?
1442 			  "ADD" : "DEL");
1443 
1444 		ECORE_LIST_REMOVE_ENTRY(&pos->link, &exeq->exe_queue);
1445 		ecore_exe_queue_free_elem(sc, pos);
1446 		return 1;
1447 	}
1448 
1449 	return 0;
1450 }
1451 
1452 /**
1453  * ecore_vlan_mac_get_registry_elem - prepare a registry element
1454  *
1455  * @sc:	  device handle
1456  * @o:
1457  * @elem:
1458  * @restore:
1459  * @re:
1460  *
1461  * prepare a registry element according to the current command request.
1462  */
1463 static int ecore_vlan_mac_get_registry_elem(struct bnx2x_softc *sc,
1464 					    struct ecore_vlan_mac_obj *o,
1465 					    struct ecore_exeq_elem *elem,
1466 					    int restore, struct
1467 					    ecore_vlan_mac_registry_elem
1468 					    **re)
1469 {
1470 	enum ecore_vlan_mac_cmd cmd = elem->cmd_data.vlan_mac.cmd;
1471 	struct ecore_vlan_mac_registry_elem *reg_elem;
1472 
1473 	/* Allocate a new registry element if needed. */
1474 	if (!restore &&
1475 	    ((cmd == ECORE_VLAN_MAC_ADD) || (cmd == ECORE_VLAN_MAC_MOVE))) {
1476 		reg_elem = ECORE_ZALLOC(sizeof(*reg_elem), GFP_ATOMIC, sc);
1477 		if (!reg_elem)
1478 			return ECORE_NOMEM;
1479 
1480 		/* Get a new CAM offset */
1481 		if (!o->get_cam_offset(o, &reg_elem->cam_offset)) {
1482 			/* This shall never happen, because we have checked the
1483 			 * CAM availability in the 'validate'.
1484 			 */
1485 			ECORE_DBG_BREAK_IF(1);
1486 			ECORE_FREE(sc, reg_elem, sizeof(*reg_elem));
1487 			return ECORE_INVAL;
1488 		}
1489 
1490 		ECORE_MSG(sc, "Got cam offset %d", reg_elem->cam_offset);
1491 
1492 		/* Set a VLAN-MAC data */
1493 		ECORE_MEMCPY(&reg_elem->u, &elem->cmd_data.vlan_mac.u,
1494 			     sizeof(reg_elem->u));
1495 
1496 		/* Copy the flags (needed for DEL and RESTORE flows) */
1497 		reg_elem->vlan_mac_flags =
1498 		    elem->cmd_data.vlan_mac.vlan_mac_flags;
1499 	} else			/* DEL, RESTORE */
1500 		reg_elem = o->check_del(sc, o, &elem->cmd_data.vlan_mac.u);
1501 
1502 	*re = reg_elem;
1503 	return ECORE_SUCCESS;
1504 }
1505 
1506 /**
1507  * ecore_execute_vlan_mac - execute vlan mac command
1508  *
1509  * @sc:			device handle
1510  * @qo:
1511  * @exe_chunk:
1512  * @ramrod_flags:
1513  *
1514  * go and send a ramrod!
1515  */
1516 static int ecore_execute_vlan_mac(struct bnx2x_softc *sc,
1517 				  union ecore_qable_obj *qo,
1518 				  ecore_list_t * exe_chunk,
1519 				  unsigned long *ramrod_flags)
1520 {
1521 	struct ecore_exeq_elem *elem;
1522 	struct ecore_vlan_mac_obj *o = &qo->vlan_mac, *cam_obj;
1523 	struct ecore_raw_obj *r = &o->raw;
1524 	int rc, idx = 0;
1525 	int restore = ECORE_TEST_BIT(RAMROD_RESTORE, ramrod_flags);
1526 	int drv_only = ECORE_TEST_BIT(RAMROD_DRV_CLR_ONLY, ramrod_flags);
1527 	struct ecore_vlan_mac_registry_elem *reg_elem;
1528 	enum ecore_vlan_mac_cmd cmd;
1529 
1530 	/* If DRIVER_ONLY execution is requested, cleanup a registry
1531 	 * and exit. Otherwise send a ramrod to FW.
1532 	 */
1533 	if (!drv_only) {
1534 
1535 		/* Set pending */
1536 		r->set_pending(r);
1537 
1538 		/* Fill the ramrod data */
1539 		ECORE_LIST_FOR_EACH_ENTRY(elem, exe_chunk, link,
1540 					  struct ecore_exeq_elem) {
1541 			cmd = elem->cmd_data.vlan_mac.cmd;
1542 			/* We will add to the target object in MOVE command, so
1543 			 * change the object for a CAM search.
1544 			 */
1545 			if (cmd == ECORE_VLAN_MAC_MOVE)
1546 				cam_obj = elem->cmd_data.vlan_mac.target_obj;
1547 			else
1548 				cam_obj = o;
1549 
1550 			rc = ecore_vlan_mac_get_registry_elem(sc, cam_obj,
1551 							      elem, restore,
1552 							      &reg_elem);
1553 			if (rc)
1554 				goto error_exit;
1555 
1556 			ECORE_DBG_BREAK_IF(!reg_elem);
1557 
1558 			/* Push a new entry into the registry */
1559 			if (!restore &&
1560 			    ((cmd == ECORE_VLAN_MAC_ADD) ||
1561 			     (cmd == ECORE_VLAN_MAC_MOVE)))
1562 				ECORE_LIST_PUSH_HEAD(&reg_elem->link,
1563 						     &cam_obj->head);
1564 
1565 			/* Configure a single command in a ramrod data buffer */
1566 			o->set_one_rule(sc, o, elem, idx, reg_elem->cam_offset);
1567 
1568 			/* MOVE command consumes 2 entries in the ramrod data */
1569 			if (cmd == ECORE_VLAN_MAC_MOVE)
1570 				idx += 2;
1571 			else
1572 				idx++;
1573 		}
1574 
1575 		/*
1576 		 *  No need for an explicit memory barrier here as long we would
1577 		 *  need to ensure the ordering of writing to the SPQ element
1578 		 *  and updating of the SPQ producer which involves a memory
1579 		 *  read and we will have to put a full memory barrier there
1580 		 *  (inside ecore_sp_post()).
1581 		 */
1582 
1583 		rc = ecore_sp_post(sc, o->ramrod_cmd, r->cid,
1584 				   r->rdata_mapping, ETH_CONNECTION_TYPE);
1585 		if (rc)
1586 			goto error_exit;
1587 	}
1588 
1589 	/* Now, when we are done with the ramrod - clean up the registry */
1590 	ECORE_LIST_FOR_EACH_ENTRY(elem, exe_chunk, link, struct ecore_exeq_elem) {
1591 		cmd = elem->cmd_data.vlan_mac.cmd;
1592 		if ((cmd == ECORE_VLAN_MAC_DEL) || (cmd == ECORE_VLAN_MAC_MOVE)) {
1593 			reg_elem = o->check_del(sc, o,
1594 						&elem->cmd_data.vlan_mac.u);
1595 
1596 			ECORE_DBG_BREAK_IF(!reg_elem);
1597 
1598 			o->put_cam_offset(o, reg_elem->cam_offset);
1599 			ECORE_LIST_REMOVE_ENTRY(&reg_elem->link, &o->head);
1600 			ECORE_FREE(sc, reg_elem, sizeof(*reg_elem));
1601 		}
1602 	}
1603 
1604 	if (!drv_only)
1605 		return ECORE_PENDING;
1606 	else
1607 		return ECORE_SUCCESS;
1608 
1609 error_exit:
1610 	r->clear_pending(r);
1611 
1612 	/* Cleanup a registry in case of a failure */
1613 	ECORE_LIST_FOR_EACH_ENTRY(elem, exe_chunk, link, struct ecore_exeq_elem) {
1614 		cmd = elem->cmd_data.vlan_mac.cmd;
1615 
1616 		if (cmd == ECORE_VLAN_MAC_MOVE)
1617 			cam_obj = elem->cmd_data.vlan_mac.target_obj;
1618 		else
1619 			cam_obj = o;
1620 
1621 		/* Delete all newly added above entries */
1622 		if (!restore &&
1623 		    ((cmd == ECORE_VLAN_MAC_ADD) ||
1624 		     (cmd == ECORE_VLAN_MAC_MOVE))) {
1625 			reg_elem = o->check_del(sc, cam_obj,
1626 						&elem->cmd_data.vlan_mac.u);
1627 			if (reg_elem) {
1628 				ECORE_LIST_REMOVE_ENTRY(&reg_elem->link,
1629 							&cam_obj->head);
1630 				ECORE_FREE(sc, reg_elem, sizeof(*reg_elem));
1631 			}
1632 		}
1633 	}
1634 
1635 	return rc;
1636 }
1637 
1638 static int ecore_vlan_mac_push_new_cmd(struct bnx2x_softc *sc, struct
1639 				       ecore_vlan_mac_ramrod_params *p)
1640 {
1641 	struct ecore_exeq_elem *elem;
1642 	struct ecore_vlan_mac_obj *o = p->vlan_mac_obj;
1643 	int restore = ECORE_TEST_BIT(RAMROD_RESTORE, &p->ramrod_flags);
1644 
1645 	/* Allocate the execution queue element */
1646 	elem = ecore_exe_queue_alloc_elem(sc);
1647 	if (!elem)
1648 		return ECORE_NOMEM;
1649 
1650 	/* Set the command 'length' */
1651 	switch (p->user_req.cmd) {
1652 	case ECORE_VLAN_MAC_MOVE:
1653 		elem->cmd_len = 2;
1654 		break;
1655 	default:
1656 		elem->cmd_len = 1;
1657 	}
1658 
1659 	/* Fill the object specific info */
1660 	ECORE_MEMCPY(&elem->cmd_data.vlan_mac, &p->user_req,
1661 		     sizeof(p->user_req));
1662 
1663 	/* Try to add a new command to the pending list */
1664 	return ecore_exe_queue_add(sc, &o->exe_queue, elem, restore);
1665 }
1666 
1667 /**
1668  * ecore_config_vlan_mac - configure VLAN/MAC/VLAN_MAC filtering rules.
1669  *
1670  * @sc:	  device handle
1671  * @p:
1672  *
1673  */
1674 int ecore_config_vlan_mac(struct bnx2x_softc *sc,
1675 			  struct ecore_vlan_mac_ramrod_params *p)
1676 {
1677 	int rc = ECORE_SUCCESS;
1678 	struct ecore_vlan_mac_obj *o = p->vlan_mac_obj;
1679 	unsigned long *ramrod_flags = &p->ramrod_flags;
1680 	int cont = ECORE_TEST_BIT(RAMROD_CONT, ramrod_flags);
1681 	struct ecore_raw_obj *raw = &o->raw;
1682 
1683 	/*
1684 	 * Add new elements to the execution list for commands that require it.
1685 	 */
1686 	if (!cont) {
1687 		rc = ecore_vlan_mac_push_new_cmd(sc, p);
1688 		if (rc)
1689 			return rc;
1690 	}
1691 
1692 	/* If nothing will be executed further in this iteration we want to
1693 	 * return PENDING if there are pending commands
1694 	 */
1695 	if (!ecore_exe_queue_empty(&o->exe_queue))
1696 		rc = ECORE_PENDING;
1697 
1698 	if (ECORE_TEST_BIT(RAMROD_DRV_CLR_ONLY, ramrod_flags)) {
1699 		ECORE_MSG(sc,
1700 			  "RAMROD_DRV_CLR_ONLY requested: clearing a pending bit.");
1701 		raw->clear_pending(raw);
1702 	}
1703 
1704 	/* Execute commands if required */
1705 	if (cont || ECORE_TEST_BIT(RAMROD_EXEC, ramrod_flags) ||
1706 	    ECORE_TEST_BIT(RAMROD_COMP_WAIT, ramrod_flags)) {
1707 		rc = __ecore_vlan_mac_execute_step(sc, p->vlan_mac_obj,
1708 						   &p->ramrod_flags);
1709 		if (rc < 0)
1710 			return rc;
1711 	}
1712 
1713 	/* RAMROD_COMP_WAIT is a superset of RAMROD_EXEC. If it was set
1714 	 * then user want to wait until the last command is done.
1715 	 */
1716 	if (ECORE_TEST_BIT(RAMROD_COMP_WAIT, &p->ramrod_flags)) {
1717 		/* Wait maximum for the current exe_queue length iterations plus
1718 		 * one (for the current pending command).
1719 		 */
1720 		int max_iterations = ecore_exe_queue_length(&o->exe_queue) + 1;
1721 
1722 		while (!ecore_exe_queue_empty(&o->exe_queue) &&
1723 		       max_iterations--) {
1724 
1725 			/* Wait for the current command to complete */
1726 			rc = raw->wait_comp(sc, raw);
1727 			if (rc)
1728 				return rc;
1729 
1730 			/* Make a next step */
1731 			rc = __ecore_vlan_mac_execute_step(sc,
1732 							   p->vlan_mac_obj,
1733 							   &p->ramrod_flags);
1734 			if (rc < 0)
1735 				return rc;
1736 		}
1737 
1738 		return ECORE_SUCCESS;
1739 	}
1740 
1741 	return rc;
1742 }
1743 
1744 /**
1745  * ecore_vlan_mac_del_all - delete elements with given vlan_mac_flags spec
1746  *
1747  * @sc:			device handle
1748  * @o:
1749  * @vlan_mac_flags:
1750  * @ramrod_flags:	execution flags to be used for this deletion
1751  *
1752  * if the last operation has completed successfully and there are no
1753  * more elements left, positive value if the last operation has completed
1754  * successfully and there are more previously configured elements, negative
1755  * value is current operation has failed.
1756  */
1757 static int ecore_vlan_mac_del_all(struct bnx2x_softc *sc,
1758 				  struct ecore_vlan_mac_obj *o,
1759 				  unsigned long *vlan_mac_flags,
1760 				  unsigned long *ramrod_flags)
1761 {
1762 	struct ecore_vlan_mac_registry_elem *pos = NULL;
1763 	int rc = 0, read_lock;
1764 	struct ecore_vlan_mac_ramrod_params p;
1765 	struct ecore_exe_queue_obj *exeq = &o->exe_queue;
1766 	struct ecore_exeq_elem *exeq_pos, *exeq_pos_n;
1767 
1768 	/* Clear pending commands first */
1769 
1770 	ECORE_SPIN_LOCK_BH(&exeq->lock);
1771 
1772 	ECORE_LIST_FOR_EACH_ENTRY_SAFE(exeq_pos, exeq_pos_n,
1773 				       &exeq->exe_queue, link,
1774 				       struct ecore_exeq_elem) {
1775 		if (exeq_pos->cmd_data.vlan_mac.vlan_mac_flags ==
1776 		    *vlan_mac_flags) {
1777 			rc = exeq->remove(sc, exeq->owner, exeq_pos);
1778 			if (rc) {
1779 				PMD_DRV_LOG(ERR, sc, "Failed to remove command");
1780 				ECORE_SPIN_UNLOCK_BH(&exeq->lock);
1781 				return rc;
1782 			}
1783 			ECORE_LIST_REMOVE_ENTRY(&exeq_pos->link,
1784 						&exeq->exe_queue);
1785 			ecore_exe_queue_free_elem(sc, exeq_pos);
1786 		}
1787 	}
1788 
1789 	ECORE_SPIN_UNLOCK_BH(&exeq->lock);
1790 
1791 	/* Prepare a command request */
1792 	ECORE_MEMSET(&p, 0, sizeof(p));
1793 	p.vlan_mac_obj = o;
1794 	p.ramrod_flags = *ramrod_flags;
1795 	p.user_req.cmd = ECORE_VLAN_MAC_DEL;
1796 
1797 	/* Add all but the last VLAN-MAC to the execution queue without actually
1798 	 * execution anything.
1799 	 */
1800 	ECORE_CLEAR_BIT_NA(RAMROD_COMP_WAIT, &p.ramrod_flags);
1801 	ECORE_CLEAR_BIT_NA(RAMROD_EXEC, &p.ramrod_flags);
1802 	ECORE_CLEAR_BIT_NA(RAMROD_CONT, &p.ramrod_flags);
1803 
1804 	ECORE_MSG(sc, "vlan_mac_del_all -- taking vlan_mac_lock (reader)");
1805 	read_lock = ecore_vlan_mac_h_read_lock(sc, o);
1806 	if (read_lock != ECORE_SUCCESS)
1807 		return read_lock;
1808 
1809 	ECORE_LIST_FOR_EACH_ENTRY(pos, &o->head, link,
1810 				  struct ecore_vlan_mac_registry_elem) {
1811 		if (pos->vlan_mac_flags == *vlan_mac_flags) {
1812 			p.user_req.vlan_mac_flags = pos->vlan_mac_flags;
1813 			ECORE_MEMCPY(&p.user_req.u, &pos->u, sizeof(pos->u));
1814 			rc = ecore_config_vlan_mac(sc, &p);
1815 			if (rc < 0) {
1816 				PMD_DRV_LOG(ERR, sc,
1817 					    "Failed to add a new DEL command");
1818 				ecore_vlan_mac_h_read_unlock(sc, o);
1819 				return rc;
1820 			}
1821 		}
1822 	}
1823 
1824 	ECORE_MSG(sc, "vlan_mac_del_all -- releasing vlan_mac_lock (reader)");
1825 	ecore_vlan_mac_h_read_unlock(sc, o);
1826 
1827 	p.ramrod_flags = *ramrod_flags;
1828 	ECORE_SET_BIT_NA(RAMROD_CONT, &p.ramrod_flags);
1829 
1830 	return ecore_config_vlan_mac(sc, &p);
1831 }
1832 
1833 static void ecore_init_raw_obj(struct ecore_raw_obj *raw, uint8_t cl_id,
1834 			       uint32_t cid, uint8_t func_id,
1835 			       void *rdata,
1836 			       ecore_dma_addr_t rdata_mapping, int state,
1837 			       unsigned long *pstate, ecore_obj_type type)
1838 {
1839 	raw->func_id = func_id;
1840 	raw->cid = cid;
1841 	raw->cl_id = cl_id;
1842 	raw->rdata = rdata;
1843 	raw->rdata_mapping = rdata_mapping;
1844 	raw->state = state;
1845 	raw->pstate = pstate;
1846 	raw->obj_type = type;
1847 	raw->check_pending = ecore_raw_check_pending;
1848 	raw->clear_pending = ecore_raw_clear_pending;
1849 	raw->set_pending = ecore_raw_set_pending;
1850 	raw->wait_comp = ecore_raw_wait;
1851 }
1852 
1853 static void ecore_init_vlan_mac_common(struct ecore_vlan_mac_obj *o,
1854 				       uint8_t cl_id, uint32_t cid,
1855 				       uint8_t func_id, void *rdata,
1856 				       ecore_dma_addr_t rdata_mapping,
1857 				       int state, unsigned long *pstate,
1858 				       ecore_obj_type type,
1859 				       struct ecore_credit_pool_obj
1860 				       *macs_pool, struct ecore_credit_pool_obj
1861 				       *vlans_pool)
1862 {
1863 	ECORE_LIST_INIT(&o->head);
1864 	o->head_reader = 0;
1865 	o->head_exe_request = FALSE;
1866 	o->saved_ramrod_flags = 0;
1867 
1868 	o->macs_pool = macs_pool;
1869 	o->vlans_pool = vlans_pool;
1870 
1871 	o->delete_all = ecore_vlan_mac_del_all;
1872 	o->restore = ecore_vlan_mac_restore;
1873 	o->complete = ecore_complete_vlan_mac;
1874 	o->wait = ecore_wait_vlan_mac;
1875 
1876 	ecore_init_raw_obj(&o->raw, cl_id, cid, func_id, rdata, rdata_mapping,
1877 			   state, pstate, type);
1878 }
1879 
1880 void ecore_init_mac_obj(struct bnx2x_softc *sc,
1881 			struct ecore_vlan_mac_obj *mac_obj,
1882 			uint8_t cl_id, uint32_t cid, uint8_t func_id,
1883 			void *rdata, ecore_dma_addr_t rdata_mapping, int state,
1884 			unsigned long *pstate, ecore_obj_type type,
1885 			struct ecore_credit_pool_obj *macs_pool)
1886 {
1887 	union ecore_qable_obj *qable_obj = (union ecore_qable_obj *)mac_obj;
1888 
1889 	ecore_init_vlan_mac_common(mac_obj, cl_id, cid, func_id, rdata,
1890 				   rdata_mapping, state, pstate, type,
1891 				   macs_pool, NULL);
1892 
1893 	/* CAM credit pool handling */
1894 	mac_obj->get_credit = ecore_get_credit_mac;
1895 	mac_obj->put_credit = ecore_put_credit_mac;
1896 	mac_obj->get_cam_offset = ecore_get_cam_offset_mac;
1897 	mac_obj->put_cam_offset = ecore_put_cam_offset_mac;
1898 
1899 	if (CHIP_IS_E1x(sc)) {
1900 		mac_obj->set_one_rule = ecore_set_one_mac_e1x;
1901 		mac_obj->check_del = ecore_check_mac_del;
1902 		mac_obj->check_add = ecore_check_mac_add;
1903 		mac_obj->check_move = ecore_check_move_always_err;
1904 		mac_obj->ramrod_cmd = RAMROD_CMD_ID_ETH_SET_MAC;
1905 
1906 		/* Exe Queue */
1907 		ecore_exe_queue_init(sc,
1908 				     &mac_obj->exe_queue, 1, qable_obj,
1909 				     ecore_validate_vlan_mac,
1910 				     ecore_remove_vlan_mac,
1911 				     ecore_optimize_vlan_mac,
1912 				     ecore_execute_vlan_mac,
1913 				     ecore_exeq_get_mac);
1914 	} else {
1915 		mac_obj->set_one_rule = ecore_set_one_mac_e2;
1916 		mac_obj->check_del = ecore_check_mac_del;
1917 		mac_obj->check_add = ecore_check_mac_add;
1918 		mac_obj->check_move = ecore_check_move;
1919 		mac_obj->ramrod_cmd = RAMROD_CMD_ID_ETH_CLASSIFICATION_RULES;
1920 		mac_obj->get_n_elements = ecore_get_n_elements;
1921 
1922 		/* Exe Queue */
1923 		ecore_exe_queue_init(sc,
1924 				     &mac_obj->exe_queue, CLASSIFY_RULES_COUNT,
1925 				     qable_obj, ecore_validate_vlan_mac,
1926 				     ecore_remove_vlan_mac,
1927 				     ecore_optimize_vlan_mac,
1928 				     ecore_execute_vlan_mac,
1929 				     ecore_exeq_get_mac);
1930 	}
1931 }
1932 
1933 /* RX_MODE verbs: DROP_ALL/ACCEPT_ALL/ACCEPT_ALL_MULTI/ACCEPT_ALL_VLAN/NORMAL */
1934 static void __storm_memset_mac_filters(struct bnx2x_softc *sc, struct
1935 				       tstorm_eth_mac_filter_config
1936 				       *mac_filters, uint16_t pf_id)
1937 {
1938 	size_t size = sizeof(struct tstorm_eth_mac_filter_config);
1939 
1940 	uint32_t addr = BAR_TSTRORM_INTMEM +
1941 	    TSTORM_MAC_FILTER_CONFIG_OFFSET(pf_id);
1942 
1943 	ecore_storm_memset_struct(sc, addr, size, (uint32_t *) mac_filters);
1944 }
1945 
1946 static int ecore_set_rx_mode_e1x(struct bnx2x_softc *sc,
1947 				 struct ecore_rx_mode_ramrod_params *p)
1948 {
1949 	/* update the sc MAC filter structure */
1950 	uint32_t mask = (1 << p->cl_id);
1951 
1952 	struct tstorm_eth_mac_filter_config *mac_filters =
1953 	    (struct tstorm_eth_mac_filter_config *)p->rdata;
1954 
1955 	/* initial setting is drop-all */
1956 	uint8_t drop_all_ucast = 1, drop_all_mcast = 1;
1957 	uint8_t accp_all_ucast = 0, accp_all_bcast = 0, accp_all_mcast = 0;
1958 	uint8_t unmatched_unicast = 0;
1959 
1960 	/* In e1x there we only take into account rx accept flag since tx switching
1961 	 * isn't enabled. */
1962 	if (ECORE_TEST_BIT(ECORE_ACCEPT_UNICAST, &p->rx_accept_flags))
1963 		/* accept matched ucast */
1964 		drop_all_ucast = 0;
1965 
1966 	if (ECORE_TEST_BIT(ECORE_ACCEPT_MULTICAST, &p->rx_accept_flags))
1967 		/* accept matched mcast */
1968 		drop_all_mcast = 0;
1969 
1970 	if (ECORE_TEST_BIT(ECORE_ACCEPT_ALL_UNICAST, &p->rx_accept_flags)) {
1971 		/* accept all mcast */
1972 		drop_all_ucast = 0;
1973 		accp_all_ucast = 1;
1974 	}
1975 	if (ECORE_TEST_BIT(ECORE_ACCEPT_ALL_MULTICAST, &p->rx_accept_flags)) {
1976 		/* accept all mcast */
1977 		drop_all_mcast = 0;
1978 		accp_all_mcast = 1;
1979 	}
1980 	if (ECORE_TEST_BIT(ECORE_ACCEPT_BROADCAST, &p->rx_accept_flags))
1981 		/* accept (all) bcast */
1982 		accp_all_bcast = 1;
1983 	if (ECORE_TEST_BIT(ECORE_ACCEPT_UNMATCHED, &p->rx_accept_flags))
1984 		/* accept unmatched unicasts */
1985 		unmatched_unicast = 1;
1986 
1987 	mac_filters->ucast_drop_all = drop_all_ucast ?
1988 	    mac_filters->ucast_drop_all | mask :
1989 	    mac_filters->ucast_drop_all & ~mask;
1990 
1991 	mac_filters->mcast_drop_all = drop_all_mcast ?
1992 	    mac_filters->mcast_drop_all | mask :
1993 	    mac_filters->mcast_drop_all & ~mask;
1994 
1995 	mac_filters->ucast_accept_all = accp_all_ucast ?
1996 	    mac_filters->ucast_accept_all | mask :
1997 	    mac_filters->ucast_accept_all & ~mask;
1998 
1999 	mac_filters->mcast_accept_all = accp_all_mcast ?
2000 	    mac_filters->mcast_accept_all | mask :
2001 	    mac_filters->mcast_accept_all & ~mask;
2002 
2003 	mac_filters->bcast_accept_all = accp_all_bcast ?
2004 	    mac_filters->bcast_accept_all | mask :
2005 	    mac_filters->bcast_accept_all & ~mask;
2006 
2007 	mac_filters->unmatched_unicast = unmatched_unicast ?
2008 	    mac_filters->unmatched_unicast | mask :
2009 	    mac_filters->unmatched_unicast & ~mask;
2010 
2011 	ECORE_MSG(sc, "drop_ucast 0x%xdrop_mcast 0x%x accp_ucast 0x%x"
2012 		  "accp_mcast 0x%xaccp_bcast 0x%x",
2013 		  mac_filters->ucast_drop_all, mac_filters->mcast_drop_all,
2014 		  mac_filters->ucast_accept_all, mac_filters->mcast_accept_all,
2015 		  mac_filters->bcast_accept_all);
2016 
2017 	/* write the MAC filter structure */
2018 	__storm_memset_mac_filters(sc, mac_filters, p->func_id);
2019 
2020 	/* The operation is completed */
2021 	ECORE_CLEAR_BIT(p->state, p->pstate);
2022 	ECORE_SMP_MB_AFTER_CLEAR_BIT();
2023 
2024 	return ECORE_SUCCESS;
2025 }
2026 
2027 /* Setup ramrod data */
2028 static void ecore_rx_mode_set_rdata_hdr_e2(uint32_t cid, struct eth_classify_header
2029 					   *hdr, uint8_t rule_cnt)
2030 {
2031 	hdr->echo = ECORE_CPU_TO_LE32(cid);
2032 	hdr->rule_cnt = rule_cnt;
2033 }
2034 
2035 static void ecore_rx_mode_set_cmd_state_e2(unsigned long *accept_flags, struct eth_filter_rules_cmd
2036 					   *cmd, int clear_accept_all)
2037 {
2038 	uint16_t state;
2039 
2040 	/* start with 'drop-all' */
2041 	state = ETH_FILTER_RULES_CMD_UCAST_DROP_ALL |
2042 	    ETH_FILTER_RULES_CMD_MCAST_DROP_ALL;
2043 
2044 	if (ECORE_TEST_BIT(ECORE_ACCEPT_UNICAST, accept_flags))
2045 		state &= ~ETH_FILTER_RULES_CMD_UCAST_DROP_ALL;
2046 
2047 	if (ECORE_TEST_BIT(ECORE_ACCEPT_MULTICAST, accept_flags))
2048 		state &= ~ETH_FILTER_RULES_CMD_MCAST_DROP_ALL;
2049 
2050 	if (ECORE_TEST_BIT(ECORE_ACCEPT_ALL_UNICAST, accept_flags)) {
2051 		state &= ~ETH_FILTER_RULES_CMD_UCAST_DROP_ALL;
2052 		state |= ETH_FILTER_RULES_CMD_UCAST_ACCEPT_ALL;
2053 	}
2054 
2055 	if (ECORE_TEST_BIT(ECORE_ACCEPT_ALL_MULTICAST, accept_flags)) {
2056 		state |= ETH_FILTER_RULES_CMD_MCAST_ACCEPT_ALL;
2057 		state &= ~ETH_FILTER_RULES_CMD_MCAST_DROP_ALL;
2058 	}
2059 	if (ECORE_TEST_BIT(ECORE_ACCEPT_BROADCAST, accept_flags))
2060 		state |= ETH_FILTER_RULES_CMD_BCAST_ACCEPT_ALL;
2061 
2062 	if (ECORE_TEST_BIT(ECORE_ACCEPT_UNMATCHED, accept_flags)) {
2063 		state &= ~ETH_FILTER_RULES_CMD_UCAST_DROP_ALL;
2064 		state |= ETH_FILTER_RULES_CMD_UCAST_ACCEPT_UNMATCHED;
2065 	}
2066 	if (ECORE_TEST_BIT(ECORE_ACCEPT_ANY_VLAN, accept_flags))
2067 		state |= ETH_FILTER_RULES_CMD_ACCEPT_ANY_VLAN;
2068 
2069 	/* Clear ACCEPT_ALL_XXX flags for FCoE L2 Queue */
2070 	if (clear_accept_all) {
2071 		state &= ~ETH_FILTER_RULES_CMD_MCAST_ACCEPT_ALL;
2072 		state &= ~ETH_FILTER_RULES_CMD_BCAST_ACCEPT_ALL;
2073 		state &= ~ETH_FILTER_RULES_CMD_UCAST_ACCEPT_ALL;
2074 		state &= ~ETH_FILTER_RULES_CMD_UCAST_ACCEPT_UNMATCHED;
2075 	}
2076 
2077 	cmd->state = ECORE_CPU_TO_LE16(state);
2078 }
2079 
2080 static int ecore_set_rx_mode_e2(struct bnx2x_softc *sc,
2081 				struct ecore_rx_mode_ramrod_params *p)
2082 {
2083 	struct eth_filter_rules_ramrod_data *data = p->rdata;
2084 	int rc;
2085 	uint8_t rule_idx = 0;
2086 
2087 	/* Reset the ramrod data buffer */
2088 	ECORE_MEMSET(data, 0, sizeof(*data));
2089 
2090 	/* Setup ramrod data */
2091 
2092 	/* Tx (internal switching) */
2093 	if (ECORE_TEST_BIT(RAMROD_TX, &p->ramrod_flags)) {
2094 		data->rules[rule_idx].client_id = p->cl_id;
2095 		data->rules[rule_idx].func_id = p->func_id;
2096 
2097 		data->rules[rule_idx].cmd_general_data =
2098 		    ETH_FILTER_RULES_CMD_TX_CMD;
2099 
2100 		ecore_rx_mode_set_cmd_state_e2(&p->tx_accept_flags,
2101 					       &(data->rules[rule_idx++]),
2102 					       FALSE);
2103 	}
2104 
2105 	/* Rx */
2106 	if (ECORE_TEST_BIT(RAMROD_RX, &p->ramrod_flags)) {
2107 		data->rules[rule_idx].client_id = p->cl_id;
2108 		data->rules[rule_idx].func_id = p->func_id;
2109 
2110 		data->rules[rule_idx].cmd_general_data =
2111 		    ETH_FILTER_RULES_CMD_RX_CMD;
2112 
2113 		ecore_rx_mode_set_cmd_state_e2(&p->rx_accept_flags,
2114 					       &(data->rules[rule_idx++]),
2115 					       FALSE);
2116 	}
2117 
2118 	/* If FCoE Queue configuration has been requested configure the Rx and
2119 	 * internal switching modes for this queue in separate rules.
2120 	 *
2121 	 * FCoE queue shell never be set to ACCEPT_ALL packets of any sort:
2122 	 * MCAST_ALL, UCAST_ALL, BCAST_ALL and UNMATCHED.
2123 	 */
2124 	if (ECORE_TEST_BIT(ECORE_RX_MODE_FCOE_ETH, &p->rx_mode_flags)) {
2125 		/*  Tx (internal switching) */
2126 		if (ECORE_TEST_BIT(RAMROD_TX, &p->ramrod_flags)) {
2127 			data->rules[rule_idx].client_id = ECORE_FCOE_CID(sc);
2128 			data->rules[rule_idx].func_id = p->func_id;
2129 
2130 			data->rules[rule_idx].cmd_general_data =
2131 			    ETH_FILTER_RULES_CMD_TX_CMD;
2132 
2133 			ecore_rx_mode_set_cmd_state_e2(&p->tx_accept_flags,
2134 						       &(data->rules
2135 							 [rule_idx++]), TRUE);
2136 		}
2137 
2138 		/* Rx */
2139 		if (ECORE_TEST_BIT(RAMROD_RX, &p->ramrod_flags)) {
2140 			data->rules[rule_idx].client_id = ECORE_FCOE_CID(sc);
2141 			data->rules[rule_idx].func_id = p->func_id;
2142 
2143 			data->rules[rule_idx].cmd_general_data =
2144 			    ETH_FILTER_RULES_CMD_RX_CMD;
2145 
2146 			ecore_rx_mode_set_cmd_state_e2(&p->rx_accept_flags,
2147 						       &(data->rules
2148 							 [rule_idx++]), TRUE);
2149 		}
2150 	}
2151 
2152 	/* Set the ramrod header (most importantly - number of rules to
2153 	 * configure).
2154 	 */
2155 	ecore_rx_mode_set_rdata_hdr_e2(p->cid, &data->header, rule_idx);
2156 
2157 	    ECORE_MSG
2158 	    (sc, "About to configure %d rules, rx_accept_flags 0x%lx, tx_accept_flags 0x%lx",
2159 	     data->header.rule_cnt, p->rx_accept_flags, p->tx_accept_flags);
2160 
2161 	/* No need for an explicit memory barrier here as long we would
2162 	 * need to ensure the ordering of writing to the SPQ element
2163 	 * and updating of the SPQ producer which involves a memory
2164 	 * read and we will have to put a full memory barrier there
2165 	 * (inside ecore_sp_post()).
2166 	 */
2167 
2168 	/* Send a ramrod */
2169 	rc = ecore_sp_post(sc,
2170 			   RAMROD_CMD_ID_ETH_FILTER_RULES,
2171 			   p->cid, p->rdata_mapping, ETH_CONNECTION_TYPE);
2172 	if (rc)
2173 		return rc;
2174 
2175 	/* Ramrod completion is pending */
2176 	return ECORE_PENDING;
2177 }
2178 
2179 static int ecore_wait_rx_mode_comp_e2(struct bnx2x_softc *sc,
2180 				      struct ecore_rx_mode_ramrod_params *p)
2181 {
2182 	return ecore_state_wait(sc, p->state, p->pstate);
2183 }
2184 
2185 static int ecore_empty_rx_mode_wait(__rte_unused struct bnx2x_softc *sc,
2186 				    __rte_unused struct
2187 				    ecore_rx_mode_ramrod_params *p)
2188 {
2189 	/* Do nothing */
2190 	return ECORE_SUCCESS;
2191 }
2192 
2193 int ecore_config_rx_mode(struct bnx2x_softc *sc,
2194 			 struct ecore_rx_mode_ramrod_params *p)
2195 {
2196 	int rc;
2197 
2198 	/* Configure the new classification in the chip */
2199 	if (p->rx_mode_obj->config_rx_mode) {
2200 		rc = p->rx_mode_obj->config_rx_mode(sc, p);
2201 		if (rc < 0)
2202 			return rc;
2203 
2204 		/* Wait for a ramrod completion if was requested */
2205 		if (ECORE_TEST_BIT(RAMROD_COMP_WAIT, &p->ramrod_flags)) {
2206 			rc = p->rx_mode_obj->wait_comp(sc, p);
2207 			if (rc)
2208 				return rc;
2209 		}
2210 	} else {
2211 		ECORE_MSG(sc, "ERROR: config_rx_mode is NULL");
2212 		return -1;
2213 	}
2214 
2215 	return rc;
2216 }
2217 
2218 void ecore_init_rx_mode_obj(struct bnx2x_softc *sc, struct ecore_rx_mode_obj *o)
2219 {
2220 	if (CHIP_IS_E1x(sc)) {
2221 		o->wait_comp = ecore_empty_rx_mode_wait;
2222 		o->config_rx_mode = ecore_set_rx_mode_e1x;
2223 	} else {
2224 		o->wait_comp = ecore_wait_rx_mode_comp_e2;
2225 		o->config_rx_mode = ecore_set_rx_mode_e2;
2226 	}
2227 }
2228 
2229 /********************* Multicast verbs: SET, CLEAR ****************************/
2230 static uint8_t ecore_mcast_bin_from_mac(uint8_t * mac)
2231 {
2232 	return (ECORE_CRC32_LE(0, mac, ETH_ALEN) >> 24) & 0xff;
2233 }
2234 
2235 struct ecore_mcast_mac_elem {
2236 	ecore_list_entry_t link;
2237 	uint8_t mac[ETH_ALEN];
2238 	uint8_t pad[2];		/* For a natural alignment of the following buffer */
2239 };
2240 
2241 struct ecore_pending_mcast_cmd {
2242 	ecore_list_entry_t link;
2243 	int type;		/* ECORE_MCAST_CMD_X */
2244 	union {
2245 		ecore_list_t macs_head;
2246 		uint32_t macs_num;	/* Needed for DEL command */
2247 		int next_bin;	/* Needed for RESTORE flow with aprox match */
2248 	} data;
2249 
2250 	int done;		/* set to TRUE, when the command has been handled,
2251 				 * practically used in 57712 handling only, where one pending
2252 				 * command may be handled in a few operations. As long as for
2253 				 * other chips every operation handling is completed in a
2254 				 * single ramrod, there is no need to utilize this field.
2255 				 */
2256 };
2257 
2258 static int ecore_mcast_wait(struct bnx2x_softc *sc, struct ecore_mcast_obj *o)
2259 {
2260 	if (ecore_state_wait(sc, o->sched_state, o->raw.pstate) ||
2261 	    o->raw.wait_comp(sc, &o->raw))
2262 		return ECORE_TIMEOUT;
2263 
2264 	return ECORE_SUCCESS;
2265 }
2266 
2267 static int ecore_mcast_enqueue_cmd(struct bnx2x_softc *sc __rte_unused,
2268 				   struct ecore_mcast_obj *o,
2269 				   struct ecore_mcast_ramrod_params *p,
2270 				   enum ecore_mcast_cmd cmd)
2271 {
2272 	int total_sz;
2273 	struct ecore_pending_mcast_cmd *new_cmd;
2274 	struct ecore_mcast_mac_elem *cur_mac = NULL;
2275 	struct ecore_mcast_list_elem *pos;
2276 	int macs_list_len = ((cmd == ECORE_MCAST_CMD_ADD) ?
2277 			     p->mcast_list_len : 0);
2278 
2279 	/* If the command is empty ("handle pending commands only"), break */
2280 	if (!p->mcast_list_len)
2281 		return ECORE_SUCCESS;
2282 
2283 	total_sz = sizeof(*new_cmd) +
2284 	    macs_list_len * sizeof(struct ecore_mcast_mac_elem);
2285 
2286 	/* Add mcast is called under spin_lock, thus calling with GFP_ATOMIC */
2287 	new_cmd = ECORE_ZALLOC(total_sz, GFP_ATOMIC, sc);
2288 
2289 	if (!new_cmd)
2290 		return ECORE_NOMEM;
2291 
2292 	ECORE_MSG(sc, "About to enqueue a new %d command. macs_list_len=%d",
2293 		  cmd, macs_list_len);
2294 
2295 	ECORE_LIST_INIT(&new_cmd->data.macs_head);
2296 
2297 	new_cmd->type = cmd;
2298 	new_cmd->done = FALSE;
2299 
2300 	switch (cmd) {
2301 	case ECORE_MCAST_CMD_ADD:
2302 		cur_mac = (struct ecore_mcast_mac_elem *)
2303 		    ((uint8_t *) new_cmd + sizeof(*new_cmd));
2304 
2305 		/* Push the MACs of the current command into the pending command
2306 		 * MACs list: FIFO
2307 		 */
2308 		ECORE_LIST_FOR_EACH_ENTRY(pos, &p->mcast_list, link,
2309 					  struct ecore_mcast_list_elem) {
2310 			ECORE_MEMCPY(cur_mac->mac, pos->mac, ETH_ALEN);
2311 			ECORE_LIST_PUSH_TAIL(&cur_mac->link,
2312 					     &new_cmd->data.macs_head);
2313 			cur_mac++;
2314 		}
2315 
2316 		break;
2317 
2318 	case ECORE_MCAST_CMD_DEL:
2319 		new_cmd->data.macs_num = p->mcast_list_len;
2320 		break;
2321 
2322 	case ECORE_MCAST_CMD_RESTORE:
2323 		new_cmd->data.next_bin = 0;
2324 		break;
2325 
2326 	default:
2327 		ECORE_FREE(sc, new_cmd, total_sz);
2328 		PMD_DRV_LOG(ERR, sc, "Unknown command: %d", cmd);
2329 		return ECORE_INVAL;
2330 	}
2331 
2332 	/* Push the new pending command to the tail of the pending list: FIFO */
2333 	ECORE_LIST_PUSH_TAIL(&new_cmd->link, &o->pending_cmds_head);
2334 
2335 	o->set_sched(o);
2336 
2337 	return ECORE_PENDING;
2338 }
2339 
2340 /**
2341  * ecore_mcast_get_next_bin - get the next set bin (index)
2342  *
2343  * @o:
2344  * @last:	index to start looking from (including)
2345  *
2346  * returns the next found (set) bin or a negative value if none is found.
2347  */
2348 static int ecore_mcast_get_next_bin(struct ecore_mcast_obj *o, int last)
2349 {
2350 	int i, j, inner_start = last % BIT_VEC64_ELEM_SZ;
2351 
2352 	for (i = last / BIT_VEC64_ELEM_SZ; i < ECORE_MCAST_VEC_SZ; i++) {
2353 		if (o->registry.aprox_match.vec[i])
2354 			for (j = inner_start; j < BIT_VEC64_ELEM_SZ; j++) {
2355 				int cur_bit = j + BIT_VEC64_ELEM_SZ * i;
2356 				if (BIT_VEC64_TEST_BIT
2357 				    (o->registry.aprox_match.vec, cur_bit)) {
2358 					return cur_bit;
2359 				}
2360 			}
2361 		inner_start = 0;
2362 	}
2363 
2364 	/* None found */
2365 	return -1;
2366 }
2367 
2368 /**
2369  * ecore_mcast_clear_first_bin - find the first set bin and clear it
2370  *
2371  * @o:
2372  *
2373  * returns the index of the found bin or -1 if none is found
2374  */
2375 static int ecore_mcast_clear_first_bin(struct ecore_mcast_obj *o)
2376 {
2377 	int cur_bit = ecore_mcast_get_next_bin(o, 0);
2378 
2379 	if (cur_bit >= 0)
2380 		BIT_VEC64_CLEAR_BIT(o->registry.aprox_match.vec, cur_bit);
2381 
2382 	return cur_bit;
2383 }
2384 
2385 static uint8_t ecore_mcast_get_rx_tx_flag(struct ecore_mcast_obj *o)
2386 {
2387 	struct ecore_raw_obj *raw = &o->raw;
2388 	uint8_t rx_tx_flag = 0;
2389 
2390 	if ((raw->obj_type == ECORE_OBJ_TYPE_TX) ||
2391 	    (raw->obj_type == ECORE_OBJ_TYPE_RX_TX))
2392 		rx_tx_flag |= ETH_MULTICAST_RULES_CMD_TX_CMD;
2393 
2394 	if ((raw->obj_type == ECORE_OBJ_TYPE_RX) ||
2395 	    (raw->obj_type == ECORE_OBJ_TYPE_RX_TX))
2396 		rx_tx_flag |= ETH_MULTICAST_RULES_CMD_RX_CMD;
2397 
2398 	return rx_tx_flag;
2399 }
2400 
2401 static void ecore_mcast_set_one_rule_e2(struct bnx2x_softc *sc __rte_unused,
2402 					struct ecore_mcast_obj *o, int idx,
2403 					union ecore_mcast_config_data *cfg_data,
2404 					enum ecore_mcast_cmd cmd)
2405 {
2406 	struct ecore_raw_obj *r = &o->raw;
2407 	struct eth_multicast_rules_ramrod_data *data =
2408 	    (struct eth_multicast_rules_ramrod_data *)(r->rdata);
2409 	uint8_t func_id = r->func_id;
2410 	uint8_t rx_tx_add_flag = ecore_mcast_get_rx_tx_flag(o);
2411 	int bin;
2412 
2413 	if ((cmd == ECORE_MCAST_CMD_ADD) || (cmd == ECORE_MCAST_CMD_RESTORE))
2414 		rx_tx_add_flag |= ETH_MULTICAST_RULES_CMD_IS_ADD;
2415 
2416 	data->rules[idx].cmd_general_data |= rx_tx_add_flag;
2417 
2418 	/* Get a bin and update a bins' vector */
2419 	switch (cmd) {
2420 	case ECORE_MCAST_CMD_ADD:
2421 		bin = ecore_mcast_bin_from_mac(cfg_data->mac);
2422 		BIT_VEC64_SET_BIT(o->registry.aprox_match.vec, bin);
2423 		break;
2424 
2425 	case ECORE_MCAST_CMD_DEL:
2426 		/* If there were no more bins to clear
2427 		 * (ecore_mcast_clear_first_bin() returns -1) then we would
2428 		 * clear any (0xff) bin.
2429 		 * See ecore_mcast_validate_e2() for explanation when it may
2430 		 * happen.
2431 		 */
2432 		bin = ecore_mcast_clear_first_bin(o);
2433 		break;
2434 
2435 	case ECORE_MCAST_CMD_RESTORE:
2436 		bin = cfg_data->bin;
2437 		break;
2438 
2439 	default:
2440 		PMD_DRV_LOG(ERR, sc, "Unknown command: %d", cmd);
2441 		return;
2442 	}
2443 
2444 	ECORE_MSG(sc, "%s bin %d",
2445 		  ((rx_tx_add_flag & ETH_MULTICAST_RULES_CMD_IS_ADD) ?
2446 		   "Setting" : "Clearing"), bin);
2447 
2448 	data->rules[idx].bin_id = (uint8_t) bin;
2449 	data->rules[idx].func_id = func_id;
2450 	data->rules[idx].engine_id = o->engine_id;
2451 }
2452 
2453 /**
2454  * ecore_mcast_handle_restore_cmd_e2 - restore configuration from the registry
2455  *
2456  * @sc:		device handle
2457  * @o:
2458  * @start_bin:	index in the registry to start from (including)
2459  * @rdata_idx:	index in the ramrod data to start from
2460  *
2461  * returns last handled bin index or -1 if all bins have been handled
2462  */
2463 static int ecore_mcast_handle_restore_cmd_e2(struct bnx2x_softc *sc,
2464 					     struct ecore_mcast_obj *o,
2465 					     int start_bin, int *rdata_idx)
2466 {
2467 	int cur_bin, cnt = *rdata_idx;
2468 	union ecore_mcast_config_data cfg_data = { NULL };
2469 
2470 	/* go through the registry and configure the bins from it */
2471 	for (cur_bin = ecore_mcast_get_next_bin(o, start_bin); cur_bin >= 0;
2472 	     cur_bin = ecore_mcast_get_next_bin(o, cur_bin + 1)) {
2473 
2474 		cfg_data.bin = (uint8_t) cur_bin;
2475 		o->set_one_rule(sc, o, cnt, &cfg_data, ECORE_MCAST_CMD_RESTORE);
2476 
2477 		cnt++;
2478 
2479 		ECORE_MSG(sc, "About to configure a bin %d", cur_bin);
2480 
2481 		/* Break if we reached the maximum number
2482 		 * of rules.
2483 		 */
2484 		if (cnt >= o->max_cmd_len)
2485 			break;
2486 	}
2487 
2488 	*rdata_idx = cnt;
2489 
2490 	return cur_bin;
2491 }
2492 
2493 static void ecore_mcast_hdl_pending_add_e2(struct bnx2x_softc *sc,
2494 					   struct ecore_mcast_obj *o,
2495 					   struct ecore_pending_mcast_cmd
2496 					   *cmd_pos, int *line_idx)
2497 {
2498 	struct ecore_mcast_mac_elem *pmac_pos, *pmac_pos_n;
2499 	int cnt = *line_idx;
2500 	union ecore_mcast_config_data cfg_data = { NULL };
2501 
2502 	ECORE_LIST_FOR_EACH_ENTRY_SAFE(pmac_pos, pmac_pos_n,
2503 				       &cmd_pos->data.macs_head, link,
2504 				       struct ecore_mcast_mac_elem) {
2505 
2506 		cfg_data.mac = &pmac_pos->mac[0];
2507 		o->set_one_rule(sc, o, cnt, &cfg_data, cmd_pos->type);
2508 
2509 		cnt++;
2510 
2511 		    ECORE_MSG
2512 		    (sc, "About to configure %02x:%02x:%02x:%02x:%02x:%02x mcast MAC",
2513 		     pmac_pos->mac[0], pmac_pos->mac[1], pmac_pos->mac[2],
2514 		     pmac_pos->mac[3], pmac_pos->mac[4], pmac_pos->mac[5]);
2515 
2516 		ECORE_LIST_REMOVE_ENTRY(&pmac_pos->link,
2517 					&cmd_pos->data.macs_head);
2518 
2519 		/* Break if we reached the maximum number
2520 		 * of rules.
2521 		 */
2522 		if (cnt >= o->max_cmd_len)
2523 			break;
2524 	}
2525 
2526 	*line_idx = cnt;
2527 
2528 	/* if no more MACs to configure - we are done */
2529 	if (ECORE_LIST_IS_EMPTY(&cmd_pos->data.macs_head))
2530 		cmd_pos->done = TRUE;
2531 }
2532 
2533 static void ecore_mcast_hdl_pending_del_e2(struct bnx2x_softc *sc,
2534 					   struct ecore_mcast_obj *o,
2535 					   struct ecore_pending_mcast_cmd
2536 					   *cmd_pos, int *line_idx)
2537 {
2538 	int cnt = *line_idx;
2539 
2540 	while (cmd_pos->data.macs_num) {
2541 		o->set_one_rule(sc, o, cnt, NULL, cmd_pos->type);
2542 
2543 		cnt++;
2544 
2545 		cmd_pos->data.macs_num--;
2546 
2547 		ECORE_MSG(sc, "Deleting MAC. %d left,cnt is %d",
2548 			  cmd_pos->data.macs_num, cnt);
2549 
2550 		/* Break if we reached the maximum
2551 		 * number of rules.
2552 		 */
2553 		if (cnt >= o->max_cmd_len)
2554 			break;
2555 	}
2556 
2557 	*line_idx = cnt;
2558 
2559 	/* If we cleared all bins - we are done */
2560 	if (!cmd_pos->data.macs_num)
2561 		cmd_pos->done = TRUE;
2562 }
2563 
2564 static void ecore_mcast_hdl_pending_restore_e2(struct bnx2x_softc *sc,
2565 					       struct ecore_mcast_obj *o, struct
2566 					       ecore_pending_mcast_cmd
2567 					       *cmd_pos, int *line_idx)
2568 {
2569 	cmd_pos->data.next_bin = o->hdl_restore(sc, o, cmd_pos->data.next_bin,
2570 						line_idx);
2571 
2572 	if (cmd_pos->data.next_bin < 0)
2573 		/* If o->set_restore returned -1 we are done */
2574 		cmd_pos->done = TRUE;
2575 	else
2576 		/* Start from the next bin next time */
2577 		cmd_pos->data.next_bin++;
2578 }
2579 
2580 static int ecore_mcast_handle_pending_cmds_e2(struct bnx2x_softc *sc, struct
2581 					      ecore_mcast_ramrod_params
2582 					      *p)
2583 {
2584 	struct ecore_pending_mcast_cmd *cmd_pos, *cmd_pos_n;
2585 	int cnt = 0;
2586 	struct ecore_mcast_obj *o = p->mcast_obj;
2587 
2588 	ECORE_LIST_FOR_EACH_ENTRY_SAFE(cmd_pos, cmd_pos_n,
2589 				       &o->pending_cmds_head, link,
2590 				       struct ecore_pending_mcast_cmd) {
2591 		switch (cmd_pos->type) {
2592 		case ECORE_MCAST_CMD_ADD:
2593 			ecore_mcast_hdl_pending_add_e2(sc, o, cmd_pos, &cnt);
2594 			break;
2595 
2596 		case ECORE_MCAST_CMD_DEL:
2597 			ecore_mcast_hdl_pending_del_e2(sc, o, cmd_pos, &cnt);
2598 			break;
2599 
2600 		case ECORE_MCAST_CMD_RESTORE:
2601 			ecore_mcast_hdl_pending_restore_e2(sc, o, cmd_pos,
2602 							   &cnt);
2603 			break;
2604 
2605 		default:
2606 			PMD_DRV_LOG(ERR, sc,
2607 				    "Unknown command: %d", cmd_pos->type);
2608 			return ECORE_INVAL;
2609 		}
2610 
2611 		/* If the command has been completed - remove it from the list
2612 		 * and free the memory
2613 		 */
2614 		if (cmd_pos->done) {
2615 			ECORE_LIST_REMOVE_ENTRY(&cmd_pos->link,
2616 						&o->pending_cmds_head);
2617 			ECORE_FREE(sc, cmd_pos, cmd_pos->alloc_len);
2618 		}
2619 
2620 		/* Break if we reached the maximum number of rules */
2621 		if (cnt >= o->max_cmd_len)
2622 			break;
2623 	}
2624 
2625 	return cnt;
2626 }
2627 
2628 static void ecore_mcast_hdl_add(struct bnx2x_softc *sc,
2629 				struct ecore_mcast_obj *o,
2630 				struct ecore_mcast_ramrod_params *p,
2631 				int *line_idx)
2632 {
2633 	struct ecore_mcast_list_elem *mlist_pos;
2634 	union ecore_mcast_config_data cfg_data = { NULL };
2635 	int cnt = *line_idx;
2636 
2637 	ECORE_LIST_FOR_EACH_ENTRY(mlist_pos, &p->mcast_list, link,
2638 				  struct ecore_mcast_list_elem) {
2639 		cfg_data.mac = mlist_pos->mac;
2640 		o->set_one_rule(sc, o, cnt, &cfg_data, ECORE_MCAST_CMD_ADD);
2641 
2642 		cnt++;
2643 
2644 		    ECORE_MSG
2645 		    (sc, "About to configure %02x:%02x:%02x:%02x:%02x:%02x mcast MAC",
2646 		     mlist_pos->mac[0], mlist_pos->mac[1], mlist_pos->mac[2],
2647 		     mlist_pos->mac[3], mlist_pos->mac[4], mlist_pos->mac[5]);
2648 	}
2649 
2650 	*line_idx = cnt;
2651 }
2652 
2653 static void ecore_mcast_hdl_del(struct bnx2x_softc *sc,
2654 				struct ecore_mcast_obj *o,
2655 				struct ecore_mcast_ramrod_params *p,
2656 				int *line_idx)
2657 {
2658 	int cnt = *line_idx, i;
2659 
2660 	for (i = 0; i < p->mcast_list_len; i++) {
2661 		o->set_one_rule(sc, o, cnt, NULL, ECORE_MCAST_CMD_DEL);
2662 
2663 		cnt++;
2664 
2665 		ECORE_MSG(sc,
2666 			  "Deleting MAC. %d left", p->mcast_list_len - i - 1);
2667 	}
2668 
2669 	*line_idx = cnt;
2670 }
2671 
2672 /**
2673  * ecore_mcast_handle_current_cmd -
2674  *
2675  * @sc:		device handle
2676  * @p:
2677  * @cmd:
2678  * @start_cnt:	first line in the ramrod data that may be used
2679  *
2680  * This function is called if there is enough place for the current command in
2681  * the ramrod data.
2682  * Returns number of lines filled in the ramrod data in total.
2683  */
2684 static int ecore_mcast_handle_current_cmd(struct bnx2x_softc *sc, struct
2685 					  ecore_mcast_ramrod_params *p,
2686 					  enum ecore_mcast_cmd cmd,
2687 					  int start_cnt)
2688 {
2689 	struct ecore_mcast_obj *o = p->mcast_obj;
2690 	int cnt = start_cnt;
2691 
2692 	ECORE_MSG(sc, "p->mcast_list_len=%d", p->mcast_list_len);
2693 
2694 	switch (cmd) {
2695 	case ECORE_MCAST_CMD_ADD:
2696 		ecore_mcast_hdl_add(sc, o, p, &cnt);
2697 		break;
2698 
2699 	case ECORE_MCAST_CMD_DEL:
2700 		ecore_mcast_hdl_del(sc, o, p, &cnt);
2701 		break;
2702 
2703 	case ECORE_MCAST_CMD_RESTORE:
2704 		o->hdl_restore(sc, o, 0, &cnt);
2705 		break;
2706 
2707 	default:
2708 		PMD_DRV_LOG(ERR, sc, "Unknown command: %d", cmd);
2709 		return ECORE_INVAL;
2710 	}
2711 
2712 	/* The current command has been handled */
2713 	p->mcast_list_len = 0;
2714 
2715 	return cnt;
2716 }
2717 
2718 static int ecore_mcast_validate_e2(__rte_unused struct bnx2x_softc *sc,
2719 				   struct ecore_mcast_ramrod_params *p,
2720 				   enum ecore_mcast_cmd cmd)
2721 {
2722 	struct ecore_mcast_obj *o = p->mcast_obj;
2723 	int reg_sz = o->get_registry_size(o);
2724 
2725 	switch (cmd) {
2726 		/* DEL command deletes all currently configured MACs */
2727 	case ECORE_MCAST_CMD_DEL:
2728 		o->set_registry_size(o, 0);
2729 		/* fall-through */
2730 
2731 		/* RESTORE command will restore the entire multicast configuration */
2732 	case ECORE_MCAST_CMD_RESTORE:
2733 		/* Here we set the approximate amount of work to do, which in
2734 		 * fact may be only less as some MACs in postponed ADD
2735 		 * command(s) scheduled before this command may fall into
2736 		 * the same bin and the actual number of bins set in the
2737 		 * registry would be less than we estimated here. See
2738 		 * ecore_mcast_set_one_rule_e2() for further details.
2739 		 */
2740 		p->mcast_list_len = reg_sz;
2741 		break;
2742 
2743 	case ECORE_MCAST_CMD_ADD:
2744 	case ECORE_MCAST_CMD_CONT:
2745 		/* Here we assume that all new MACs will fall into new bins.
2746 		 * However we will correct the real registry size after we
2747 		 * handle all pending commands.
2748 		 */
2749 		o->set_registry_size(o, reg_sz + p->mcast_list_len);
2750 		break;
2751 
2752 	default:
2753 		PMD_DRV_LOG(ERR, sc, "Unknown command: %d", cmd);
2754 		return ECORE_INVAL;
2755 	}
2756 
2757 	/* Increase the total number of MACs pending to be configured */
2758 	o->total_pending_num += p->mcast_list_len;
2759 
2760 	return ECORE_SUCCESS;
2761 }
2762 
2763 static void ecore_mcast_revert_e2(__rte_unused struct bnx2x_softc *sc,
2764 				  struct ecore_mcast_ramrod_params *p,
2765 				  int old_num_bins)
2766 {
2767 	struct ecore_mcast_obj *o = p->mcast_obj;
2768 
2769 	o->set_registry_size(o, old_num_bins);
2770 	o->total_pending_num -= p->mcast_list_len;
2771 }
2772 
2773 /**
2774  * ecore_mcast_set_rdata_hdr_e2 - sets a header values
2775  *
2776  * @sc:		device handle
2777  * @p:
2778  * @len:	number of rules to handle
2779  */
2780 static void ecore_mcast_set_rdata_hdr_e2(__rte_unused struct bnx2x_softc
2781 					 *sc, struct ecore_mcast_ramrod_params
2782 					 *p, uint8_t len)
2783 {
2784 	struct ecore_raw_obj *r = &p->mcast_obj->raw;
2785 	struct eth_multicast_rules_ramrod_data *data =
2786 	    (struct eth_multicast_rules_ramrod_data *)(r->rdata);
2787 
2788 	data->header.echo = ECORE_CPU_TO_LE32((r->cid & ECORE_SWCID_MASK) |
2789 					      (ECORE_FILTER_MCAST_PENDING <<
2790 					       ECORE_SWCID_SHIFT));
2791 	data->header.rule_cnt = len;
2792 }
2793 
2794 /**
2795  * ecore_mcast_refresh_registry_e2 - recalculate the actual number of set bins
2796  *
2797  * @sc:		device handle
2798  * @o:
2799  *
2800  * Recalculate the actual number of set bins in the registry using Brian
2801  * Kernighan's algorithm: it's execution complexity is as a number of set bins.
2802  */
2803 static int ecore_mcast_refresh_registry_e2(struct ecore_mcast_obj *o)
2804 {
2805 	int i, cnt = 0;
2806 	uint64_t elem;
2807 
2808 	for (i = 0; i < ECORE_MCAST_VEC_SZ; i++) {
2809 		elem = o->registry.aprox_match.vec[i];
2810 		for (; elem; cnt++)
2811 			elem &= elem - 1;
2812 	}
2813 
2814 	o->set_registry_size(o, cnt);
2815 
2816 	return ECORE_SUCCESS;
2817 }
2818 
2819 static int ecore_mcast_setup_e2(struct bnx2x_softc *sc,
2820 				struct ecore_mcast_ramrod_params *p,
2821 				enum ecore_mcast_cmd cmd)
2822 {
2823 	struct ecore_raw_obj *raw = &p->mcast_obj->raw;
2824 	struct ecore_mcast_obj *o = p->mcast_obj;
2825 	struct eth_multicast_rules_ramrod_data *data =
2826 	    (struct eth_multicast_rules_ramrod_data *)(raw->rdata);
2827 	int cnt = 0, rc;
2828 
2829 	/* Reset the ramrod data buffer */
2830 	ECORE_MEMSET(data, 0, sizeof(*data));
2831 
2832 	cnt = ecore_mcast_handle_pending_cmds_e2(sc, p);
2833 
2834 	/* If there are no more pending commands - clear SCHEDULED state */
2835 	if (ECORE_LIST_IS_EMPTY(&o->pending_cmds_head))
2836 		o->clear_sched(o);
2837 
2838 	/* The below may be TRUE if there was enough room in ramrod
2839 	 * data for all pending commands and for the current
2840 	 * command. Otherwise the current command would have been added
2841 	 * to the pending commands and p->mcast_list_len would have been
2842 	 * zeroed.
2843 	 */
2844 	if (p->mcast_list_len > 0)
2845 		cnt = ecore_mcast_handle_current_cmd(sc, p, cmd, cnt);
2846 
2847 	/* We've pulled out some MACs - update the total number of
2848 	 * outstanding.
2849 	 */
2850 	o->total_pending_num -= cnt;
2851 
2852 	/* send a ramrod */
2853 	ECORE_DBG_BREAK_IF(o->total_pending_num < 0);
2854 	ECORE_DBG_BREAK_IF(cnt > o->max_cmd_len);
2855 
2856 	ecore_mcast_set_rdata_hdr_e2(sc, p, (uint8_t) cnt);
2857 
2858 	/* Update a registry size if there are no more pending operations.
2859 	 *
2860 	 * We don't want to change the value of the registry size if there are
2861 	 * pending operations because we want it to always be equal to the
2862 	 * exact or the approximate number (see ecore_mcast_validate_e2()) of
2863 	 * set bins after the last requested operation in order to properly
2864 	 * evaluate the size of the next DEL/RESTORE operation.
2865 	 *
2866 	 * Note that we update the registry itself during command(s) handling
2867 	 * - see ecore_mcast_set_one_rule_e2(). That's because for 57712 we
2868 	 * aggregate multiple commands (ADD/DEL/RESTORE) into one ramrod but
2869 	 * with a limited amount of update commands (per MAC/bin) and we don't
2870 	 * know in this scope what the actual state of bins configuration is
2871 	 * going to be after this ramrod.
2872 	 */
2873 	if (!o->total_pending_num)
2874 		ecore_mcast_refresh_registry_e2(o);
2875 
2876 	/* If CLEAR_ONLY was requested - don't send a ramrod and clear
2877 	 * RAMROD_PENDING status immediately.
2878 	 */
2879 	if (ECORE_TEST_BIT(RAMROD_DRV_CLR_ONLY, &p->ramrod_flags)) {
2880 		raw->clear_pending(raw);
2881 		return ECORE_SUCCESS;
2882 	} else {
2883 		/* No need for an explicit memory barrier here as long we would
2884 		 * need to ensure the ordering of writing to the SPQ element
2885 		 * and updating of the SPQ producer which involves a memory
2886 		 * read and we will have to put a full memory barrier there
2887 		 * (inside ecore_sp_post()).
2888 		 */
2889 
2890 		/* Send a ramrod */
2891 		rc = ecore_sp_post(sc,
2892 				   RAMROD_CMD_ID_ETH_MULTICAST_RULES,
2893 				   raw->cid,
2894 				   raw->rdata_mapping, ETH_CONNECTION_TYPE);
2895 		if (rc)
2896 			return rc;
2897 
2898 		/* Ramrod completion is pending */
2899 		return ECORE_PENDING;
2900 	}
2901 }
2902 
2903 static int ecore_mcast_validate_e1h(__rte_unused struct bnx2x_softc *sc,
2904 				    struct ecore_mcast_ramrod_params *p,
2905 				    enum ecore_mcast_cmd cmd)
2906 {
2907 	/* Mark, that there is a work to do */
2908 	if ((cmd == ECORE_MCAST_CMD_DEL) || (cmd == ECORE_MCAST_CMD_RESTORE))
2909 		p->mcast_list_len = 1;
2910 
2911 	return ECORE_SUCCESS;
2912 }
2913 
2914 static void ecore_mcast_revert_e1h(__rte_unused struct bnx2x_softc *sc,
2915 				   __rte_unused struct ecore_mcast_ramrod_params
2916 				   *p, __rte_unused int old_num_bins)
2917 {
2918 	/* Do nothing */
2919 }
2920 
2921 #define ECORE_57711_SET_MC_FILTER(filter, bit) \
2922 do { \
2923 	(filter)[(bit) >> 5] |= (1 << ((bit) & 0x1f)); \
2924 } while (0)
2925 
2926 static void ecore_mcast_hdl_add_e1h(struct bnx2x_softc *sc __rte_unused,
2927 				    struct ecore_mcast_obj *o,
2928 				    struct ecore_mcast_ramrod_params *p,
2929 				    uint32_t * mc_filter)
2930 {
2931 	struct ecore_mcast_list_elem *mlist_pos;
2932 	int bit;
2933 
2934 	ECORE_LIST_FOR_EACH_ENTRY(mlist_pos, &p->mcast_list, link,
2935 				  struct ecore_mcast_list_elem) {
2936 		bit = ecore_mcast_bin_from_mac(mlist_pos->mac);
2937 		ECORE_57711_SET_MC_FILTER(mc_filter, bit);
2938 
2939 		    ECORE_MSG
2940 		    (sc, "About to configure %02x:%02x:%02x:%02x:%02x:%02x mcast MAC, bin %d",
2941 		     mlist_pos->mac[0], mlist_pos->mac[1], mlist_pos->mac[2],
2942 		     mlist_pos->mac[3], mlist_pos->mac[4], mlist_pos->mac[5],
2943 		     bit);
2944 
2945 		/* bookkeeping... */
2946 		BIT_VEC64_SET_BIT(o->registry.aprox_match.vec, bit);
2947 	}
2948 }
2949 
2950 static void ecore_mcast_hdl_restore_e1h(struct bnx2x_softc *sc
2951 					__rte_unused,
2952 					struct ecore_mcast_obj *o,
2953 					uint32_t * mc_filter)
2954 {
2955 	int bit;
2956 
2957 	for (bit = ecore_mcast_get_next_bin(o, 0);
2958 	     bit >= 0; bit = ecore_mcast_get_next_bin(o, bit + 1)) {
2959 		ECORE_57711_SET_MC_FILTER(mc_filter, bit);
2960 		ECORE_MSG(sc, "About to set bin %d", bit);
2961 	}
2962 }
2963 
2964 /* On 57711 we write the multicast MACs' approximate match
2965  * table by directly into the TSTORM's internal RAM. So we don't
2966  * really need to handle any tricks to make it work.
2967  */
2968 static int ecore_mcast_setup_e1h(struct bnx2x_softc *sc,
2969 				 struct ecore_mcast_ramrod_params *p,
2970 				 enum ecore_mcast_cmd cmd)
2971 {
2972 	int i;
2973 	struct ecore_mcast_obj *o = p->mcast_obj;
2974 	struct ecore_raw_obj *r = &o->raw;
2975 
2976 	/* If CLEAR_ONLY has been requested - clear the registry
2977 	 * and clear a pending bit.
2978 	 */
2979 	if (!ECORE_TEST_BIT(RAMROD_DRV_CLR_ONLY, &p->ramrod_flags)) {
2980 		uint32_t mc_filter[ECORE_MC_HASH_SIZE] = { 0 };
2981 
2982 		/* Set the multicast filter bits before writing it into
2983 		 * the internal memory.
2984 		 */
2985 		switch (cmd) {
2986 		case ECORE_MCAST_CMD_ADD:
2987 			ecore_mcast_hdl_add_e1h(sc, o, p, mc_filter);
2988 			break;
2989 
2990 		case ECORE_MCAST_CMD_DEL:
2991 			ECORE_MSG(sc, "Invalidating multicast MACs configuration");
2992 
2993 			/* clear the registry */
2994 			ECORE_MEMSET(o->registry.aprox_match.vec, 0,
2995 				     sizeof(o->registry.aprox_match.vec));
2996 			break;
2997 
2998 		case ECORE_MCAST_CMD_RESTORE:
2999 			ecore_mcast_hdl_restore_e1h(sc, o, mc_filter);
3000 			break;
3001 
3002 		default:
3003 			PMD_DRV_LOG(ERR, sc, "Unknown command: %d", cmd);
3004 			return ECORE_INVAL;
3005 		}
3006 
3007 		/* Set the mcast filter in the internal memory */
3008 		for (i = 0; i < ECORE_MC_HASH_SIZE; i++)
3009 			REG_WR(sc, ECORE_MC_HASH_OFFSET(sc, i), mc_filter[i]);
3010 	} else
3011 		/* clear the registry */
3012 		ECORE_MEMSET(o->registry.aprox_match.vec, 0,
3013 			     sizeof(o->registry.aprox_match.vec));
3014 
3015 	/* We are done */
3016 	r->clear_pending(r);
3017 
3018 	return ECORE_SUCCESS;
3019 }
3020 
3021 static int ecore_mcast_get_registry_size_aprox(struct ecore_mcast_obj *o)
3022 {
3023 	return o->registry.aprox_match.num_bins_set;
3024 }
3025 
3026 static void ecore_mcast_set_registry_size_aprox(struct ecore_mcast_obj *o,
3027 						int n)
3028 {
3029 	o->registry.aprox_match.num_bins_set = n;
3030 }
3031 
3032 int ecore_config_mcast(struct bnx2x_softc *sc,
3033 		       struct ecore_mcast_ramrod_params *p,
3034 		       enum ecore_mcast_cmd cmd)
3035 {
3036 	struct ecore_mcast_obj *o = p->mcast_obj;
3037 	struct ecore_raw_obj *r = &o->raw;
3038 	int rc = 0, old_reg_size;
3039 
3040 	/* This is needed to recover number of currently configured mcast macs
3041 	 * in case of failure.
3042 	 */
3043 	old_reg_size = o->get_registry_size(o);
3044 
3045 	/* Do some calculations and checks */
3046 	rc = o->validate(sc, p, cmd);
3047 	if (rc)
3048 		return rc;
3049 
3050 	/* Return if there is no work to do */
3051 	if ((!p->mcast_list_len) && (!o->check_sched(o)))
3052 		return ECORE_SUCCESS;
3053 
3054 	    ECORE_MSG
3055 	    (sc, "o->total_pending_num=%d p->mcast_list_len=%d o->max_cmd_len=%d",
3056 	     o->total_pending_num, p->mcast_list_len, o->max_cmd_len);
3057 
3058 	/* Enqueue the current command to the pending list if we can't complete
3059 	 * it in the current iteration
3060 	 */
3061 	if (r->check_pending(r) ||
3062 	    ((o->max_cmd_len > 0) && (o->total_pending_num > o->max_cmd_len))) {
3063 		rc = o->enqueue_cmd(sc, p->mcast_obj, p, cmd);
3064 		if (rc < 0)
3065 			goto error_exit1;
3066 
3067 		/* As long as the current command is in a command list we
3068 		 * don't need to handle it separately.
3069 		 */
3070 		p->mcast_list_len = 0;
3071 	}
3072 
3073 	if (!r->check_pending(r)) {
3074 
3075 		/* Set 'pending' state */
3076 		r->set_pending(r);
3077 
3078 		/* Configure the new classification in the chip */
3079 		rc = o->config_mcast(sc, p, cmd);
3080 		if (rc < 0)
3081 			goto error_exit2;
3082 
3083 		/* Wait for a ramrod completion if was requested */
3084 		if (ECORE_TEST_BIT(RAMROD_COMP_WAIT, &p->ramrod_flags))
3085 			rc = o->wait_comp(sc, o);
3086 	}
3087 
3088 	return rc;
3089 
3090 error_exit2:
3091 	r->clear_pending(r);
3092 
3093 error_exit1:
3094 	o->revert(sc, p, old_reg_size);
3095 
3096 	return rc;
3097 }
3098 
3099 static void ecore_mcast_clear_sched(struct ecore_mcast_obj *o)
3100 {
3101 	ECORE_SMP_MB_BEFORE_CLEAR_BIT();
3102 	ECORE_CLEAR_BIT(o->sched_state, o->raw.pstate);
3103 	ECORE_SMP_MB_AFTER_CLEAR_BIT();
3104 }
3105 
3106 static void ecore_mcast_set_sched(struct ecore_mcast_obj *o)
3107 {
3108 	ECORE_SMP_MB_BEFORE_CLEAR_BIT();
3109 	ECORE_SET_BIT(o->sched_state, o->raw.pstate);
3110 	ECORE_SMP_MB_AFTER_CLEAR_BIT();
3111 }
3112 
3113 static int ecore_mcast_check_sched(struct ecore_mcast_obj *o)
3114 {
3115 	return ! !ECORE_TEST_BIT(o->sched_state, o->raw.pstate);
3116 }
3117 
3118 static int ecore_mcast_check_pending(struct ecore_mcast_obj *o)
3119 {
3120 	return o->raw.check_pending(&o->raw) || o->check_sched(o);
3121 }
3122 
3123 void ecore_init_mcast_obj(struct bnx2x_softc *sc,
3124 			  struct ecore_mcast_obj *mcast_obj,
3125 			  uint8_t mcast_cl_id, uint32_t mcast_cid,
3126 			  uint8_t func_id, uint8_t engine_id, void *rdata,
3127 			  ecore_dma_addr_t rdata_mapping, int state,
3128 			  unsigned long *pstate, ecore_obj_type type)
3129 {
3130 	ECORE_MEMSET(mcast_obj, 0, sizeof(*mcast_obj));
3131 
3132 	ecore_init_raw_obj(&mcast_obj->raw, mcast_cl_id, mcast_cid, func_id,
3133 			   rdata, rdata_mapping, state, pstate, type);
3134 
3135 	mcast_obj->engine_id = engine_id;
3136 
3137 	ECORE_LIST_INIT(&mcast_obj->pending_cmds_head);
3138 
3139 	mcast_obj->sched_state = ECORE_FILTER_MCAST_SCHED;
3140 	mcast_obj->check_sched = ecore_mcast_check_sched;
3141 	mcast_obj->set_sched = ecore_mcast_set_sched;
3142 	mcast_obj->clear_sched = ecore_mcast_clear_sched;
3143 
3144 	if (CHIP_IS_E1H(sc)) {
3145 		mcast_obj->config_mcast = ecore_mcast_setup_e1h;
3146 		mcast_obj->enqueue_cmd = NULL;
3147 		mcast_obj->hdl_restore = NULL;
3148 		mcast_obj->check_pending = ecore_mcast_check_pending;
3149 
3150 		/* 57711 doesn't send a ramrod, so it has unlimited credit
3151 		 * for one command.
3152 		 */
3153 		mcast_obj->max_cmd_len = -1;
3154 		mcast_obj->wait_comp = ecore_mcast_wait;
3155 		mcast_obj->set_one_rule = NULL;
3156 		mcast_obj->validate = ecore_mcast_validate_e1h;
3157 		mcast_obj->revert = ecore_mcast_revert_e1h;
3158 		mcast_obj->get_registry_size =
3159 		    ecore_mcast_get_registry_size_aprox;
3160 		mcast_obj->set_registry_size =
3161 		    ecore_mcast_set_registry_size_aprox;
3162 	} else {
3163 		mcast_obj->config_mcast = ecore_mcast_setup_e2;
3164 		mcast_obj->enqueue_cmd = ecore_mcast_enqueue_cmd;
3165 		mcast_obj->hdl_restore = ecore_mcast_handle_restore_cmd_e2;
3166 		mcast_obj->check_pending = ecore_mcast_check_pending;
3167 		mcast_obj->max_cmd_len = 16;
3168 		mcast_obj->wait_comp = ecore_mcast_wait;
3169 		mcast_obj->set_one_rule = ecore_mcast_set_one_rule_e2;
3170 		mcast_obj->validate = ecore_mcast_validate_e2;
3171 		mcast_obj->revert = ecore_mcast_revert_e2;
3172 		mcast_obj->get_registry_size =
3173 		    ecore_mcast_get_registry_size_aprox;
3174 		mcast_obj->set_registry_size =
3175 		    ecore_mcast_set_registry_size_aprox;
3176 	}
3177 }
3178 
3179 /*************************** Credit handling **********************************/
3180 
3181 /**
3182  * atomic_add_ifless - add if the result is less than a given value.
3183  *
3184  * @v:	pointer of type ecore_atomic_t
3185  * @a:	the amount to add to v...
3186  * @u:	...if (v + a) is less than u.
3187  *
3188  * returns TRUE if (v + a) was less than u, and FALSE otherwise.
3189  *
3190  */
3191 static int __atomic_add_ifless(ecore_atomic_t * v, int a, int u)
3192 {
3193 	int c, old;
3194 
3195 	c = ECORE_ATOMIC_READ(v);
3196 	for (;;) {
3197 		if (ECORE_UNLIKELY(c + a >= u))
3198 			return FALSE;
3199 
3200 		old = ECORE_ATOMIC_CMPXCHG((v), c, c + a);
3201 		if (ECORE_LIKELY(old == c))
3202 			break;
3203 		c = old;
3204 	}
3205 
3206 	return TRUE;
3207 }
3208 
3209 /**
3210  * atomic_dec_ifmoe - dec if the result is more or equal than a given value.
3211  *
3212  * @v:	pointer of type ecore_atomic_t
3213  * @a:	the amount to dec from v...
3214  * @u:	...if (v - a) is more or equal than u.
3215  *
3216  * returns TRUE if (v - a) was more or equal than u, and FALSE
3217  * otherwise.
3218  */
3219 static int __atomic_dec_ifmoe(ecore_atomic_t * v, int a, int u)
3220 {
3221 	int c, old;
3222 
3223 	c = ECORE_ATOMIC_READ(v);
3224 	for (;;) {
3225 		if (ECORE_UNLIKELY(c - a < u))
3226 			return FALSE;
3227 
3228 		old = ECORE_ATOMIC_CMPXCHG((v), c, c - a);
3229 		if (ECORE_LIKELY(old == c))
3230 			break;
3231 		c = old;
3232 	}
3233 
3234 	return TRUE;
3235 }
3236 
3237 static int ecore_credit_pool_get(struct ecore_credit_pool_obj *o, int cnt)
3238 {
3239 	int rc;
3240 
3241 	ECORE_SMP_MB();
3242 	rc = __atomic_dec_ifmoe(&o->credit, cnt, 0);
3243 	ECORE_SMP_MB();
3244 
3245 	return rc;
3246 }
3247 
3248 static int ecore_credit_pool_put(struct ecore_credit_pool_obj *o, int cnt)
3249 {
3250 	int rc;
3251 
3252 	ECORE_SMP_MB();
3253 
3254 	/* Don't let to refill if credit + cnt > pool_sz */
3255 	rc = __atomic_add_ifless(&o->credit, cnt, o->pool_sz + 1);
3256 
3257 	ECORE_SMP_MB();
3258 
3259 	return rc;
3260 }
3261 
3262 static int ecore_credit_pool_check(struct ecore_credit_pool_obj *o)
3263 {
3264 	int cur_credit;
3265 
3266 	ECORE_SMP_MB();
3267 	cur_credit = ECORE_ATOMIC_READ(&o->credit);
3268 
3269 	return cur_credit;
3270 }
3271 
3272 static int ecore_credit_pool_always_TRUE(__rte_unused struct
3273 					 ecore_credit_pool_obj *o,
3274 					 __rte_unused int cnt)
3275 {
3276 	return TRUE;
3277 }
3278 
3279 static int ecore_credit_pool_get_entry(struct ecore_credit_pool_obj *o,
3280 				       int *offset)
3281 {
3282 	int idx, vec, i;
3283 
3284 	*offset = -1;
3285 
3286 	/* Find "internal cam-offset" then add to base for this object... */
3287 	for (vec = 0; vec < ECORE_POOL_VEC_SIZE; vec++) {
3288 
3289 		/* Skip the current vector if there are no free entries in it */
3290 		if (!o->pool_mirror[vec])
3291 			continue;
3292 
3293 		/* If we've got here we are going to find a free entry */
3294 		for (idx = vec * BIT_VEC64_ELEM_SZ, i = 0;
3295 		     i < BIT_VEC64_ELEM_SZ; idx++, i++)
3296 
3297 			if (BIT_VEC64_TEST_BIT(o->pool_mirror, idx)) {
3298 				/* Got one!! */
3299 				BIT_VEC64_CLEAR_BIT(o->pool_mirror, idx);
3300 				*offset = o->base_pool_offset + idx;
3301 				return TRUE;
3302 			}
3303 	}
3304 
3305 	return FALSE;
3306 }
3307 
3308 static int ecore_credit_pool_put_entry(struct ecore_credit_pool_obj *o,
3309 				       int offset)
3310 {
3311 	if (offset < o->base_pool_offset)
3312 		return FALSE;
3313 
3314 	offset -= o->base_pool_offset;
3315 
3316 	if (offset >= o->pool_sz)
3317 		return FALSE;
3318 
3319 	/* Return the entry to the pool */
3320 	BIT_VEC64_SET_BIT(o->pool_mirror, offset);
3321 
3322 	return TRUE;
3323 }
3324 
3325 static int ecore_credit_pool_put_entry_always_TRUE(__rte_unused struct
3326 						   ecore_credit_pool_obj *o,
3327 						   __rte_unused int offset)
3328 {
3329 	return TRUE;
3330 }
3331 
3332 static int ecore_credit_pool_get_entry_always_TRUE(__rte_unused struct
3333 						   ecore_credit_pool_obj *o,
3334 						   __rte_unused int *offset)
3335 {
3336 	*offset = -1;
3337 	return TRUE;
3338 }
3339 
3340 /**
3341  * ecore_init_credit_pool - initialize credit pool internals.
3342  *
3343  * @p:
3344  * @base:	Base entry in the CAM to use.
3345  * @credit:	pool size.
3346  *
3347  * If base is negative no CAM entries handling will be performed.
3348  * If credit is negative pool operations will always succeed (unlimited pool).
3349  *
3350  */
3351 static void ecore_init_credit_pool(struct ecore_credit_pool_obj *p,
3352 				   int base, int credit)
3353 {
3354 	/* Zero the object first */
3355 	ECORE_MEMSET(p, 0, sizeof(*p));
3356 
3357 	/* Set the table to all 1s */
3358 	ECORE_MEMSET(&p->pool_mirror, 0xff, sizeof(p->pool_mirror));
3359 
3360 	/* Init a pool as full */
3361 	ECORE_ATOMIC_SET(&p->credit, credit);
3362 
3363 	/* The total poll size */
3364 	p->pool_sz = credit;
3365 
3366 	p->base_pool_offset = base;
3367 
3368 	/* Commit the change */
3369 	ECORE_SMP_MB();
3370 
3371 	p->check = ecore_credit_pool_check;
3372 
3373 	/* if pool credit is negative - disable the checks */
3374 	if (credit >= 0) {
3375 		p->put = ecore_credit_pool_put;
3376 		p->get = ecore_credit_pool_get;
3377 		p->put_entry = ecore_credit_pool_put_entry;
3378 		p->get_entry = ecore_credit_pool_get_entry;
3379 	} else {
3380 		p->put = ecore_credit_pool_always_TRUE;
3381 		p->get = ecore_credit_pool_always_TRUE;
3382 		p->put_entry = ecore_credit_pool_put_entry_always_TRUE;
3383 		p->get_entry = ecore_credit_pool_get_entry_always_TRUE;
3384 	}
3385 
3386 	/* If base is negative - disable entries handling */
3387 	if (base < 0) {
3388 		p->put_entry = ecore_credit_pool_put_entry_always_TRUE;
3389 		p->get_entry = ecore_credit_pool_get_entry_always_TRUE;
3390 	}
3391 }
3392 
3393 void ecore_init_mac_credit_pool(struct bnx2x_softc *sc,
3394 				struct ecore_credit_pool_obj *p,
3395 				uint8_t func_id, uint8_t func_num)
3396 {
3397 
3398 #define ECORE_CAM_SIZE_EMUL 5
3399 
3400 	int cam_sz;
3401 
3402 	if (CHIP_IS_E1H(sc)) {
3403 		/* CAM credit is equally divided between all active functions
3404 		 * on the PORT!.
3405 		 */
3406 		if (func_num > 0) {
3407 			if (!CHIP_REV_IS_SLOW(sc))
3408 				cam_sz = (MAX_MAC_CREDIT_E1H / (2 * func_num));
3409 			else
3410 				cam_sz = ECORE_CAM_SIZE_EMUL;
3411 			ecore_init_credit_pool(p, func_id * cam_sz, cam_sz);
3412 		} else {
3413 			/* this should never happen! Block MAC operations. */
3414 			ecore_init_credit_pool(p, 0, 0);
3415 		}
3416 
3417 	} else {
3418 
3419 		/*
3420 		 * CAM credit is equaly divided between all active functions
3421 		 * on the PATH.
3422 		 */
3423 		if (func_num > 0) {
3424 			if (!CHIP_REV_IS_SLOW(sc))
3425 				cam_sz = (MAX_MAC_CREDIT_E2 / func_num);
3426 			else
3427 				cam_sz = ECORE_CAM_SIZE_EMUL;
3428 
3429 			/* No need for CAM entries handling for 57712 and
3430 			 * newer.
3431 			 */
3432 			ecore_init_credit_pool(p, -1, cam_sz);
3433 		} else {
3434 			/* this should never happen! Block MAC operations. */
3435 			ecore_init_credit_pool(p, 0, 0);
3436 		}
3437 	}
3438 }
3439 
3440 void ecore_init_vlan_credit_pool(struct bnx2x_softc *sc,
3441 				 struct ecore_credit_pool_obj *p,
3442 				 uint8_t func_id, uint8_t func_num)
3443 {
3444 	if (CHIP_IS_E1x(sc)) {
3445 		/* There is no VLAN credit in HW on 57711 only
3446 		 * MAC / MAC-VLAN can be set
3447 		 */
3448 		ecore_init_credit_pool(p, 0, -1);
3449 	} else {
3450 		/* CAM credit is equally divided between all active functions
3451 		 * on the PATH.
3452 		 */
3453 		if (func_num > 0) {
3454 			int credit = MAX_VLAN_CREDIT_E2 / func_num;
3455 			ecore_init_credit_pool(p, func_id * credit, credit);
3456 		} else
3457 			/* this should never happen! Block VLAN operations. */
3458 			ecore_init_credit_pool(p, 0, 0);
3459 	}
3460 }
3461 
3462 /****************** RSS Configuration ******************/
3463 
3464 /**
3465  * ecore_setup_rss - configure RSS
3466  *
3467  * @sc:		device handle
3468  * @p:		rss configuration
3469  *
3470  * sends on UPDATE ramrod for that matter.
3471  */
3472 static int ecore_setup_rss(struct bnx2x_softc *sc,
3473 			   struct ecore_config_rss_params *p)
3474 {
3475 	struct ecore_rss_config_obj *o = p->rss_obj;
3476 	struct ecore_raw_obj *r = &o->raw;
3477 	struct eth_rss_update_ramrod_data *data =
3478 	    (struct eth_rss_update_ramrod_data *)(r->rdata);
3479 	uint8_t rss_mode = 0;
3480 	int rc;
3481 
3482 	ECORE_MEMSET(data, 0, sizeof(*data));
3483 
3484 	ECORE_MSG(sc, "Configuring RSS");
3485 
3486 	/* Set an echo field */
3487 	data->echo = ECORE_CPU_TO_LE32((r->cid & ECORE_SWCID_MASK) |
3488 				       (r->state << ECORE_SWCID_SHIFT));
3489 
3490 	/* RSS mode */
3491 	if (ECORE_TEST_BIT(ECORE_RSS_MODE_DISABLED, &p->rss_flags))
3492 		rss_mode = ETH_RSS_MODE_DISABLED;
3493 	else if (ECORE_TEST_BIT(ECORE_RSS_MODE_REGULAR, &p->rss_flags))
3494 		rss_mode = ETH_RSS_MODE_REGULAR;
3495 
3496 	data->rss_mode = rss_mode;
3497 
3498 	ECORE_MSG(sc, "rss_mode=%d", rss_mode);
3499 
3500 	/* RSS capabilities */
3501 	if (ECORE_TEST_BIT(ECORE_RSS_IPV4, &p->rss_flags))
3502 		data->capabilities |=
3503 		    ETH_RSS_UPDATE_RAMROD_DATA_IPV4_CAPABILITY;
3504 
3505 	if (ECORE_TEST_BIT(ECORE_RSS_IPV4_TCP, &p->rss_flags))
3506 		data->capabilities |=
3507 		    ETH_RSS_UPDATE_RAMROD_DATA_IPV4_TCP_CAPABILITY;
3508 
3509 	if (ECORE_TEST_BIT(ECORE_RSS_IPV4_UDP, &p->rss_flags))
3510 		data->capabilities |=
3511 		    ETH_RSS_UPDATE_RAMROD_DATA_IPV4_UDP_CAPABILITY;
3512 
3513 	if (ECORE_TEST_BIT(ECORE_RSS_IPV6, &p->rss_flags))
3514 		data->capabilities |=
3515 		    ETH_RSS_UPDATE_RAMROD_DATA_IPV6_CAPABILITY;
3516 
3517 	if (ECORE_TEST_BIT(ECORE_RSS_IPV6_TCP, &p->rss_flags))
3518 		data->capabilities |=
3519 		    ETH_RSS_UPDATE_RAMROD_DATA_IPV6_TCP_CAPABILITY;
3520 
3521 	if (ECORE_TEST_BIT(ECORE_RSS_IPV6_UDP, &p->rss_flags))
3522 		data->capabilities |=
3523 		    ETH_RSS_UPDATE_RAMROD_DATA_IPV6_UDP_CAPABILITY;
3524 
3525 	if (ECORE_TEST_BIT(ECORE_RSS_TUNNELING, &p->rss_flags)) {
3526 		data->udp_4tuple_dst_port_mask =
3527 		    ECORE_CPU_TO_LE16(p->tunnel_mask);
3528 		data->udp_4tuple_dst_port_value =
3529 		    ECORE_CPU_TO_LE16(p->tunnel_value);
3530 	}
3531 
3532 	/* Hashing mask */
3533 	data->rss_result_mask = p->rss_result_mask;
3534 
3535 	/* RSS engine ID */
3536 	data->rss_engine_id = o->engine_id;
3537 
3538 	ECORE_MSG(sc, "rss_engine_id=%d", data->rss_engine_id);
3539 
3540 	/* Indirection table */
3541 	ECORE_MEMCPY(data->indirection_table, p->ind_table,
3542 		     T_ETH_INDIRECTION_TABLE_SIZE);
3543 
3544 	/* Remember the last configuration */
3545 	ECORE_MEMCPY(o->ind_table, p->ind_table, T_ETH_INDIRECTION_TABLE_SIZE);
3546 
3547 	/* RSS keys */
3548 	if (ECORE_TEST_BIT(ECORE_RSS_SET_SRCH, &p->rss_flags)) {
3549 		ECORE_MEMCPY(&data->rss_key[0], &p->rss_key[0],
3550 			     sizeof(data->rss_key));
3551 		data->capabilities |= ETH_RSS_UPDATE_RAMROD_DATA_UPDATE_RSS_KEY;
3552 	}
3553 
3554 	/* No need for an explicit memory barrier here as long we would
3555 	 * need to ensure the ordering of writing to the SPQ element
3556 	 * and updating of the SPQ producer which involves a memory
3557 	 * read and we will have to put a full memory barrier there
3558 	 * (inside ecore_sp_post()).
3559 	 */
3560 
3561 	/* Send a ramrod */
3562 	rc = ecore_sp_post(sc,
3563 			   RAMROD_CMD_ID_ETH_RSS_UPDATE,
3564 			   r->cid, r->rdata_mapping, ETH_CONNECTION_TYPE);
3565 
3566 	if (rc < 0)
3567 		return rc;
3568 
3569 	return ECORE_PENDING;
3570 }
3571 
3572 int ecore_config_rss(struct bnx2x_softc *sc, struct ecore_config_rss_params *p)
3573 {
3574 	int rc;
3575 	struct ecore_rss_config_obj *o = p->rss_obj;
3576 	struct ecore_raw_obj *r = &o->raw;
3577 
3578 	/* Do nothing if only driver cleanup was requested */
3579 	if (ECORE_TEST_BIT(RAMROD_DRV_CLR_ONLY, &p->ramrod_flags))
3580 		return ECORE_SUCCESS;
3581 
3582 	r->set_pending(r);
3583 
3584 	rc = o->config_rss(sc, p);
3585 	if (rc < 0) {
3586 		r->clear_pending(r);
3587 		return rc;
3588 	}
3589 
3590 	if (ECORE_TEST_BIT(RAMROD_COMP_WAIT, &p->ramrod_flags))
3591 		rc = r->wait_comp(sc, r);
3592 
3593 	return rc;
3594 }
3595 
3596 void ecore_init_rss_config_obj(struct ecore_rss_config_obj *rss_obj,
3597 			       uint8_t cl_id, uint32_t cid, uint8_t func_id,
3598 			       uint8_t engine_id, void *rdata,
3599 			       ecore_dma_addr_t rdata_mapping, int state,
3600 			       unsigned long *pstate, ecore_obj_type type)
3601 {
3602 	ecore_init_raw_obj(&rss_obj->raw, cl_id, cid, func_id, rdata,
3603 			   rdata_mapping, state, pstate, type);
3604 
3605 	rss_obj->engine_id = engine_id;
3606 	rss_obj->config_rss = ecore_setup_rss;
3607 }
3608 
3609 /********************** Queue state object ***********************************/
3610 
3611 /**
3612  * ecore_queue_state_change - perform Queue state change transition
3613  *
3614  * @sc:		device handle
3615  * @params:	parameters to perform the transition
3616  *
3617  * returns 0 in case of successfully completed transition, negative error
3618  * code in case of failure, positive (EBUSY) value if there is a completion
3619  * to that is still pending (possible only if RAMROD_COMP_WAIT is
3620  * not set in params->ramrod_flags for asynchronous commands).
3621  *
3622  */
3623 int ecore_queue_state_change(struct bnx2x_softc *sc,
3624 			     struct ecore_queue_state_params *params)
3625 {
3626 	struct ecore_queue_sp_obj *o = params->q_obj;
3627 	int rc, pending_bit;
3628 	unsigned long *pending = &o->pending;
3629 
3630 	/* Check that the requested transition is legal */
3631 	rc = o->check_transition(sc, o, params);
3632 	if (rc) {
3633 		PMD_DRV_LOG(ERR, sc, "check transition returned an error. rc %d",
3634 			    rc);
3635 		return ECORE_INVAL;
3636 	}
3637 
3638 	/* Set "pending" bit */
3639 	ECORE_MSG(sc, "pending bit was=%lx", o->pending);
3640 	pending_bit = o->set_pending(o, params);
3641 	ECORE_MSG(sc, "pending bit now=%lx", o->pending);
3642 
3643 	/* Don't send a command if only driver cleanup was requested */
3644 	if (ECORE_TEST_BIT(RAMROD_DRV_CLR_ONLY, &params->ramrod_flags))
3645 		o->complete_cmd(sc, o, pending_bit);
3646 	else {
3647 		/* Send a ramrod */
3648 		rc = o->send_cmd(sc, params);
3649 		if (rc) {
3650 			o->next_state = ECORE_Q_STATE_MAX;
3651 			ECORE_CLEAR_BIT(pending_bit, pending);
3652 			ECORE_SMP_MB_AFTER_CLEAR_BIT();
3653 			return rc;
3654 		}
3655 
3656 		if (ECORE_TEST_BIT(RAMROD_COMP_WAIT, &params->ramrod_flags)) {
3657 			rc = o->wait_comp(sc, o, pending_bit);
3658 			if (rc)
3659 				return rc;
3660 
3661 			return ECORE_SUCCESS;
3662 		}
3663 	}
3664 
3665 	return ECORE_RET_PENDING(pending_bit, pending);
3666 }
3667 
3668 static int ecore_queue_set_pending(struct ecore_queue_sp_obj *obj,
3669 				   struct ecore_queue_state_params *params)
3670 {
3671 	enum ecore_queue_cmd cmd = params->cmd, bit;
3672 
3673 	/* ACTIVATE and DEACTIVATE commands are implemented on top of
3674 	 * UPDATE command.
3675 	 */
3676 	if ((cmd == ECORE_Q_CMD_ACTIVATE) || (cmd == ECORE_Q_CMD_DEACTIVATE))
3677 		bit = ECORE_Q_CMD_UPDATE;
3678 	else
3679 		bit = cmd;
3680 
3681 	ECORE_SET_BIT(bit, &obj->pending);
3682 	return bit;
3683 }
3684 
3685 static int ecore_queue_wait_comp(struct bnx2x_softc *sc,
3686 				 struct ecore_queue_sp_obj *o,
3687 				 enum ecore_queue_cmd cmd)
3688 {
3689 	return ecore_state_wait(sc, cmd, &o->pending);
3690 }
3691 
3692 /**
3693  * ecore_queue_comp_cmd - complete the state change command.
3694  *
3695  * @sc:		device handle
3696  * @o:
3697  * @cmd:
3698  *
3699  * Checks that the arrived completion is expected.
3700  */
3701 static int ecore_queue_comp_cmd(struct bnx2x_softc *sc __rte_unused,
3702 				struct ecore_queue_sp_obj *o,
3703 				enum ecore_queue_cmd cmd)
3704 {
3705 	unsigned long cur_pending = o->pending;
3706 
3707 	if (!ECORE_TEST_AND_CLEAR_BIT(cmd, &cur_pending)) {
3708 		PMD_DRV_LOG(ERR, sc,
3709 			    "Bad MC reply %d for queue %d in state %d pending 0x%lx, next_state %d",
3710 			    cmd, o->cids[ECORE_PRIMARY_CID_INDEX], o->state,
3711 			    cur_pending, o->next_state);
3712 		return ECORE_INVAL;
3713 	}
3714 
3715 	if (o->next_tx_only >= o->max_cos)
3716 		/* >= because tx only must always be smaller than cos since the
3717 		 * primary connection supports COS 0
3718 		 */
3719 		PMD_DRV_LOG(ERR, sc,
3720 			    "illegal value for next tx_only: %d. max cos was %d",
3721 			    o->next_tx_only, o->max_cos);
3722 
3723 	ECORE_MSG(sc, "Completing command %d for queue %d, setting state to %d",
3724 		  cmd, o->cids[ECORE_PRIMARY_CID_INDEX], o->next_state);
3725 
3726 	if (o->next_tx_only)	/* print num tx-only if any exist */
3727 		ECORE_MSG(sc, "primary cid %d: num tx-only cons %d",
3728 			  o->cids[ECORE_PRIMARY_CID_INDEX], o->next_tx_only);
3729 
3730 	o->state = o->next_state;
3731 	o->num_tx_only = o->next_tx_only;
3732 	o->next_state = ECORE_Q_STATE_MAX;
3733 
3734 	/* It's important that o->state and o->next_state are
3735 	 * updated before o->pending.
3736 	 */
3737 	wmb();
3738 
3739 	ECORE_CLEAR_BIT(cmd, &o->pending);
3740 	ECORE_SMP_MB_AFTER_CLEAR_BIT();
3741 
3742 	return ECORE_SUCCESS;
3743 }
3744 
3745 static void ecore_q_fill_setup_data_e2(struct ecore_queue_state_params
3746 				       *cmd_params,
3747 				       struct client_init_ramrod_data *data)
3748 {
3749 	struct ecore_queue_setup_params *params = &cmd_params->params.setup;
3750 
3751 	/* Rx data */
3752 
3753 	/* IPv6 TPA supported for E2 and above only */
3754 	data->rx.tpa_en |= ECORE_TEST_BIT(ECORE_Q_FLG_TPA_IPV6,
3755 					  &params->flags) *
3756 	    CLIENT_INIT_RX_DATA_TPA_EN_IPV6;
3757 }
3758 
3759 static void ecore_q_fill_init_general_data(struct bnx2x_softc *sc __rte_unused,
3760 					   struct ecore_queue_sp_obj *o,
3761 					   struct ecore_general_setup_params
3762 					   *params, struct client_init_general_data
3763 					   *gen_data, unsigned long *flags)
3764 {
3765 	gen_data->client_id = o->cl_id;
3766 
3767 	if (ECORE_TEST_BIT(ECORE_Q_FLG_STATS, flags)) {
3768 		gen_data->statistics_counter_id = params->stat_id;
3769 		gen_data->statistics_en_flg = 1;
3770 		gen_data->statistics_zero_flg =
3771 		    ECORE_TEST_BIT(ECORE_Q_FLG_ZERO_STATS, flags);
3772 	} else
3773 		gen_data->statistics_counter_id =
3774 		    DISABLE_STATISTIC_COUNTER_ID_VALUE;
3775 
3776 	gen_data->is_fcoe_flg = ECORE_TEST_BIT(ECORE_Q_FLG_FCOE, flags);
3777 	gen_data->activate_flg = ECORE_TEST_BIT(ECORE_Q_FLG_ACTIVE, flags);
3778 	gen_data->sp_client_id = params->spcl_id;
3779 	gen_data->mtu = ECORE_CPU_TO_LE16(params->mtu);
3780 	gen_data->func_id = o->func_id;
3781 
3782 	gen_data->cos = params->cos;
3783 
3784 	gen_data->traffic_type =
3785 	    ECORE_TEST_BIT(ECORE_Q_FLG_FCOE, flags) ?
3786 	    LLFC_TRAFFIC_TYPE_FCOE : LLFC_TRAFFIC_TYPE_NW;
3787 
3788 	ECORE_MSG(sc, "flags: active %d, cos %d, stats en %d",
3789 		  gen_data->activate_flg, gen_data->cos,
3790 		  gen_data->statistics_en_flg);
3791 }
3792 
3793 static void ecore_q_fill_init_tx_data(struct ecore_txq_setup_params *params,
3794 				      struct client_init_tx_data *tx_data,
3795 				      unsigned long *flags)
3796 {
3797 	tx_data->enforce_security_flg =
3798 	    ECORE_TEST_BIT(ECORE_Q_FLG_TX_SEC, flags);
3799 	tx_data->default_vlan = ECORE_CPU_TO_LE16(params->default_vlan);
3800 	tx_data->default_vlan_flg = ECORE_TEST_BIT(ECORE_Q_FLG_DEF_VLAN, flags);
3801 	tx_data->tx_switching_flg =
3802 	    ECORE_TEST_BIT(ECORE_Q_FLG_TX_SWITCH, flags);
3803 	tx_data->anti_spoofing_flg =
3804 	    ECORE_TEST_BIT(ECORE_Q_FLG_ANTI_SPOOF, flags);
3805 	tx_data->force_default_pri_flg =
3806 	    ECORE_TEST_BIT(ECORE_Q_FLG_FORCE_DEFAULT_PRI, flags);
3807 	tx_data->refuse_outband_vlan_flg =
3808 	    ECORE_TEST_BIT(ECORE_Q_FLG_REFUSE_OUTBAND_VLAN, flags);
3809 	tx_data->tunnel_non_lso_pcsum_location =
3810 	    ECORE_TEST_BIT(ECORE_Q_FLG_PCSUM_ON_PKT, flags) ? CSUM_ON_PKT :
3811 	    CSUM_ON_BD;
3812 
3813 	tx_data->tx_status_block_id = params->fw_sb_id;
3814 	tx_data->tx_sb_index_number = params->sb_cq_index;
3815 	tx_data->tss_leading_client_id = params->tss_leading_cl_id;
3816 
3817 	tx_data->tx_bd_page_base.lo =
3818 	    ECORE_CPU_TO_LE32(U64_LO(params->dscr_map));
3819 	tx_data->tx_bd_page_base.hi =
3820 	    ECORE_CPU_TO_LE32(U64_HI(params->dscr_map));
3821 
3822 	/* Don't configure any Tx switching mode during queue SETUP */
3823 	tx_data->state = 0;
3824 }
3825 
3826 static void ecore_q_fill_init_pause_data(struct rxq_pause_params *params,
3827 					 struct client_init_rx_data *rx_data)
3828 {
3829 	/* flow control data */
3830 	rx_data->cqe_pause_thr_low = ECORE_CPU_TO_LE16(params->rcq_th_lo);
3831 	rx_data->cqe_pause_thr_high = ECORE_CPU_TO_LE16(params->rcq_th_hi);
3832 	rx_data->bd_pause_thr_low = ECORE_CPU_TO_LE16(params->bd_th_lo);
3833 	rx_data->bd_pause_thr_high = ECORE_CPU_TO_LE16(params->bd_th_hi);
3834 	rx_data->sge_pause_thr_low = ECORE_CPU_TO_LE16(params->sge_th_lo);
3835 	rx_data->sge_pause_thr_high = ECORE_CPU_TO_LE16(params->sge_th_hi);
3836 	rx_data->rx_cos_mask = ECORE_CPU_TO_LE16(params->pri_map);
3837 }
3838 
3839 static void ecore_q_fill_init_rx_data(struct ecore_rxq_setup_params *params,
3840 				      struct client_init_rx_data *rx_data,
3841 				      unsigned long *flags)
3842 {
3843 	rx_data->tpa_en = ECORE_TEST_BIT(ECORE_Q_FLG_TPA, flags) *
3844 	    CLIENT_INIT_RX_DATA_TPA_EN_IPV4;
3845 	rx_data->tpa_en |= ECORE_TEST_BIT(ECORE_Q_FLG_TPA_GRO, flags) *
3846 	    CLIENT_INIT_RX_DATA_TPA_MODE;
3847 	rx_data->vmqueue_mode_en_flg = 0;
3848 
3849 	rx_data->extra_data_over_sgl_en_flg =
3850 	    ECORE_TEST_BIT(ECORE_Q_FLG_OOO, flags);
3851 	rx_data->cache_line_alignment_log_size = params->cache_line_log;
3852 	rx_data->enable_dynamic_hc = ECORE_TEST_BIT(ECORE_Q_FLG_DHC, flags);
3853 	rx_data->client_qzone_id = params->cl_qzone_id;
3854 	rx_data->max_agg_size = ECORE_CPU_TO_LE16(params->tpa_agg_sz);
3855 
3856 	/* Always start in DROP_ALL mode */
3857 	rx_data->state = ECORE_CPU_TO_LE16(CLIENT_INIT_RX_DATA_UCAST_DROP_ALL |
3858 					   CLIENT_INIT_RX_DATA_MCAST_DROP_ALL);
3859 
3860 	/* We don't set drop flags */
3861 	rx_data->drop_ip_cs_err_flg = 0;
3862 	rx_data->drop_tcp_cs_err_flg = 0;
3863 	rx_data->drop_ttl0_flg = 0;
3864 	rx_data->drop_udp_cs_err_flg = 0;
3865 	rx_data->inner_vlan_removal_enable_flg =
3866 	    ECORE_TEST_BIT(ECORE_Q_FLG_VLAN, flags);
3867 	rx_data->outer_vlan_removal_enable_flg =
3868 	    ECORE_TEST_BIT(ECORE_Q_FLG_OV, flags);
3869 	rx_data->status_block_id = params->fw_sb_id;
3870 	rx_data->rx_sb_index_number = params->sb_cq_index;
3871 	rx_data->max_tpa_queues = params->max_tpa_queues;
3872 	rx_data->max_bytes_on_bd = ECORE_CPU_TO_LE16(params->buf_sz);
3873 	rx_data->bd_page_base.lo = ECORE_CPU_TO_LE32(U64_LO(params->dscr_map));
3874 	rx_data->bd_page_base.hi = ECORE_CPU_TO_LE32(U64_HI(params->dscr_map));
3875 	rx_data->cqe_page_base.lo = ECORE_CPU_TO_LE32(U64_LO(params->rcq_map));
3876 	rx_data->cqe_page_base.hi = ECORE_CPU_TO_LE32(U64_HI(params->rcq_map));
3877 	rx_data->is_leading_rss = ECORE_TEST_BIT(ECORE_Q_FLG_LEADING_RSS,
3878 						 flags);
3879 
3880 	if (ECORE_TEST_BIT(ECORE_Q_FLG_MCAST, flags)) {
3881 		rx_data->approx_mcast_engine_id = params->mcast_engine_id;
3882 		rx_data->is_approx_mcast = 1;
3883 	}
3884 
3885 	rx_data->rss_engine_id = params->rss_engine_id;
3886 
3887 	/* silent vlan removal */
3888 	rx_data->silent_vlan_removal_flg =
3889 	    ECORE_TEST_BIT(ECORE_Q_FLG_SILENT_VLAN_REM, flags);
3890 	rx_data->silent_vlan_value =
3891 	    ECORE_CPU_TO_LE16(params->silent_removal_value);
3892 	rx_data->silent_vlan_mask =
3893 	    ECORE_CPU_TO_LE16(params->silent_removal_mask);
3894 }
3895 
3896 /* initialize the general, tx and rx parts of a queue object */
3897 static void ecore_q_fill_setup_data_cmn(struct bnx2x_softc *sc, struct ecore_queue_state_params
3898 					*cmd_params,
3899 					struct client_init_ramrod_data *data)
3900 {
3901 	ecore_q_fill_init_general_data(sc, cmd_params->q_obj,
3902 				       &cmd_params->params.setup.gen_params,
3903 				       &data->general,
3904 				       &cmd_params->params.setup.flags);
3905 
3906 	ecore_q_fill_init_tx_data(&cmd_params->params.setup.txq_params,
3907 				  &data->tx, &cmd_params->params.setup.flags);
3908 
3909 	ecore_q_fill_init_rx_data(&cmd_params->params.setup.rxq_params,
3910 				  &data->rx, &cmd_params->params.setup.flags);
3911 
3912 	ecore_q_fill_init_pause_data(&cmd_params->params.setup.pause_params,
3913 				     &data->rx);
3914 }
3915 
3916 /* initialize the general and tx parts of a tx-only queue object */
3917 static void ecore_q_fill_setup_tx_only(struct bnx2x_softc *sc, struct ecore_queue_state_params
3918 				       *cmd_params,
3919 				       struct tx_queue_init_ramrod_data *data)
3920 {
3921 	ecore_q_fill_init_general_data(sc, cmd_params->q_obj,
3922 				       &cmd_params->params.tx_only.gen_params,
3923 				       &data->general,
3924 				       &cmd_params->params.tx_only.flags);
3925 
3926 	ecore_q_fill_init_tx_data(&cmd_params->params.tx_only.txq_params,
3927 				  &data->tx, &cmd_params->params.tx_only.flags);
3928 
3929 	ECORE_MSG(sc, "cid %d, tx bd page lo %x hi %x",
3930 		  cmd_params->q_obj->cids[0],
3931 		  data->tx.tx_bd_page_base.lo, data->tx.tx_bd_page_base.hi);
3932 }
3933 
3934 /**
3935  * ecore_q_init - init HW/FW queue
3936  *
3937  * @sc:		device handle
3938  * @params:
3939  *
3940  * HW/FW initial Queue configuration:
3941  *      - HC: Rx and Tx
3942  *      - CDU context validation
3943  *
3944  */
3945 static int ecore_q_init(struct bnx2x_softc *sc,
3946 			struct ecore_queue_state_params *params)
3947 {
3948 	struct ecore_queue_sp_obj *o = params->q_obj;
3949 	struct ecore_queue_init_params *init = &params->params.init;
3950 	uint16_t hc_usec;
3951 	uint8_t cos;
3952 
3953 	/* Tx HC configuration */
3954 	if (ECORE_TEST_BIT(ECORE_Q_TYPE_HAS_TX, &o->type) &&
3955 	    ECORE_TEST_BIT(ECORE_Q_FLG_HC, &init->tx.flags)) {
3956 		hc_usec = init->tx.hc_rate ? 1000000 / init->tx.hc_rate : 0;
3957 
3958 		ECORE_UPDATE_COALESCE_SB_INDEX(sc, init->tx.fw_sb_id,
3959 					       init->tx.sb_cq_index,
3960 					       !ECORE_TEST_BIT
3961 					       (ECORE_Q_FLG_HC_EN,
3962 						&init->tx.flags), hc_usec);
3963 	}
3964 
3965 	/* Rx HC configuration */
3966 	if (ECORE_TEST_BIT(ECORE_Q_TYPE_HAS_RX, &o->type) &&
3967 	    ECORE_TEST_BIT(ECORE_Q_FLG_HC, &init->rx.flags)) {
3968 		hc_usec = init->rx.hc_rate ? 1000000 / init->rx.hc_rate : 0;
3969 
3970 		ECORE_UPDATE_COALESCE_SB_INDEX(sc, init->rx.fw_sb_id,
3971 					       init->rx.sb_cq_index,
3972 					       !ECORE_TEST_BIT
3973 					       (ECORE_Q_FLG_HC_EN,
3974 						&init->rx.flags), hc_usec);
3975 	}
3976 
3977 	/* Set CDU context validation values */
3978 	for (cos = 0; cos < o->max_cos; cos++) {
3979 		ECORE_MSG(sc, "setting context validation. cid %d, cos %d",
3980 			  o->cids[cos], cos);
3981 		ECORE_MSG(sc, "context pointer %p", init->cxts[cos]);
3982 		ECORE_SET_CTX_VALIDATION(sc, init->cxts[cos], o->cids[cos]);
3983 	}
3984 
3985 	/* As no ramrod is sent, complete the command immediately  */
3986 	o->complete_cmd(sc, o, ECORE_Q_CMD_INIT);
3987 
3988 	ECORE_MMIOWB();
3989 	ECORE_SMP_MB();
3990 
3991 	return ECORE_SUCCESS;
3992 }
3993 
3994 static int ecore_q_send_setup_e1x(struct bnx2x_softc *sc, struct ecore_queue_state_params
3995 				  *params)
3996 {
3997 	struct ecore_queue_sp_obj *o = params->q_obj;
3998 	struct client_init_ramrod_data *rdata =
3999 	    (struct client_init_ramrod_data *)o->rdata;
4000 	ecore_dma_addr_t data_mapping = o->rdata_mapping;
4001 	int ramrod = RAMROD_CMD_ID_ETH_CLIENT_SETUP;
4002 
4003 	/* Clear the ramrod data */
4004 	ECORE_MEMSET(rdata, 0, sizeof(*rdata));
4005 
4006 	/* Fill the ramrod data */
4007 	ecore_q_fill_setup_data_cmn(sc, params, rdata);
4008 
4009 	/* No need for an explicit memory barrier here as long we would
4010 	 * need to ensure the ordering of writing to the SPQ element
4011 	 * and updating of the SPQ producer which involves a memory
4012 	 * read and we will have to put a full memory barrier there
4013 	 * (inside ecore_sp_post()).
4014 	 */
4015 
4016 	return ecore_sp_post(sc,
4017 			     ramrod,
4018 			     o->cids[ECORE_PRIMARY_CID_INDEX],
4019 			     data_mapping, ETH_CONNECTION_TYPE);
4020 }
4021 
4022 static int ecore_q_send_setup_e2(struct bnx2x_softc *sc,
4023 				 struct ecore_queue_state_params *params)
4024 {
4025 	struct ecore_queue_sp_obj *o = params->q_obj;
4026 	struct client_init_ramrod_data *rdata =
4027 	    (struct client_init_ramrod_data *)o->rdata;
4028 	ecore_dma_addr_t data_mapping = o->rdata_mapping;
4029 	int ramrod = RAMROD_CMD_ID_ETH_CLIENT_SETUP;
4030 
4031 	/* Clear the ramrod data */
4032 	ECORE_MEMSET(rdata, 0, sizeof(*rdata));
4033 
4034 	/* Fill the ramrod data */
4035 	ecore_q_fill_setup_data_cmn(sc, params, rdata);
4036 	ecore_q_fill_setup_data_e2(params, rdata);
4037 
4038 	/* No need for an explicit memory barrier here as long we would
4039 	 * need to ensure the ordering of writing to the SPQ element
4040 	 * and updating of the SPQ producer which involves a memory
4041 	 * read and we will have to put a full memory barrier there
4042 	 * (inside ecore_sp_post()).
4043 	 */
4044 
4045 	return ecore_sp_post(sc,
4046 			     ramrod,
4047 			     o->cids[ECORE_PRIMARY_CID_INDEX],
4048 			     data_mapping, ETH_CONNECTION_TYPE);
4049 }
4050 
4051 static int ecore_q_send_setup_tx_only(struct bnx2x_softc *sc, struct ecore_queue_state_params
4052 				      *params)
4053 {
4054 	struct ecore_queue_sp_obj *o = params->q_obj;
4055 	struct tx_queue_init_ramrod_data *rdata =
4056 	    (struct tx_queue_init_ramrod_data *)o->rdata;
4057 	ecore_dma_addr_t data_mapping = o->rdata_mapping;
4058 	int ramrod = RAMROD_CMD_ID_ETH_TX_QUEUE_SETUP;
4059 	struct ecore_queue_setup_tx_only_params *tx_only_params =
4060 	    &params->params.tx_only;
4061 	uint8_t cid_index = tx_only_params->cid_index;
4062 
4063 	if (ECORE_TEST_BIT(ECORE_Q_TYPE_FWD, &o->type))
4064 		ramrod = RAMROD_CMD_ID_ETH_FORWARD_SETUP;
4065 	ECORE_MSG(sc, "sending forward tx-only ramrod");
4066 
4067 	if (cid_index >= o->max_cos) {
4068 		PMD_DRV_LOG(ERR, sc, "queue[%d]: cid_index (%d) is out of range",
4069 			    o->cl_id, cid_index);
4070 		return ECORE_INVAL;
4071 	}
4072 
4073 	ECORE_MSG(sc, "parameters received: cos: %d sp-id: %d",
4074 		  tx_only_params->gen_params.cos,
4075 		  tx_only_params->gen_params.spcl_id);
4076 
4077 	/* Clear the ramrod data */
4078 	ECORE_MEMSET(rdata, 0, sizeof(*rdata));
4079 
4080 	/* Fill the ramrod data */
4081 	ecore_q_fill_setup_tx_only(sc, params, rdata);
4082 
4083 	    ECORE_MSG
4084 	    (sc, "sending tx-only ramrod: cid %d, client-id %d, sp-client id %d, cos %d",
4085 	     o->cids[cid_index], rdata->general.client_id,
4086 	     rdata->general.sp_client_id, rdata->general.cos);
4087 
4088 	/* No need for an explicit memory barrier here as long we would
4089 	 * need to ensure the ordering of writing to the SPQ element
4090 	 * and updating of the SPQ producer which involves a memory
4091 	 * read and we will have to put a full memory barrier there
4092 	 * (inside ecore_sp_post()).
4093 	 */
4094 
4095 	return ecore_sp_post(sc, ramrod, o->cids[cid_index],
4096 			     data_mapping, ETH_CONNECTION_TYPE);
4097 }
4098 
4099 static void ecore_q_fill_update_data(struct ecore_queue_sp_obj *obj,
4100 				     struct ecore_queue_update_params *params,
4101 				     struct client_update_ramrod_data *data)
4102 {
4103 	/* Client ID of the client to update */
4104 	data->client_id = obj->cl_id;
4105 
4106 	/* Function ID of the client to update */
4107 	data->func_id = obj->func_id;
4108 
4109 	/* Default VLAN value */
4110 	data->default_vlan = ECORE_CPU_TO_LE16(params->def_vlan);
4111 
4112 	/* Inner VLAN stripping */
4113 	data->inner_vlan_removal_enable_flg =
4114 	    ECORE_TEST_BIT(ECORE_Q_UPDATE_IN_VLAN_REM, &params->update_flags);
4115 	data->inner_vlan_removal_change_flg =
4116 	    ECORE_TEST_BIT(ECORE_Q_UPDATE_IN_VLAN_REM_CHNG,
4117 			   &params->update_flags);
4118 
4119 	/* Outer VLAN stripping */
4120 	data->outer_vlan_removal_enable_flg =
4121 	    ECORE_TEST_BIT(ECORE_Q_UPDATE_OUT_VLAN_REM, &params->update_flags);
4122 	data->outer_vlan_removal_change_flg =
4123 	    ECORE_TEST_BIT(ECORE_Q_UPDATE_OUT_VLAN_REM_CHNG,
4124 			   &params->update_flags);
4125 
4126 	/* Drop packets that have source MAC that doesn't belong to this
4127 	 * Queue.
4128 	 */
4129 	data->anti_spoofing_enable_flg =
4130 	    ECORE_TEST_BIT(ECORE_Q_UPDATE_ANTI_SPOOF, &params->update_flags);
4131 	data->anti_spoofing_change_flg =
4132 	    ECORE_TEST_BIT(ECORE_Q_UPDATE_ANTI_SPOOF_CHNG,
4133 			   &params->update_flags);
4134 
4135 	/* Activate/Deactivate */
4136 	data->activate_flg =
4137 	    ECORE_TEST_BIT(ECORE_Q_UPDATE_ACTIVATE, &params->update_flags);
4138 	data->activate_change_flg =
4139 	    ECORE_TEST_BIT(ECORE_Q_UPDATE_ACTIVATE_CHNG, &params->update_flags);
4140 
4141 	/* Enable default VLAN */
4142 	data->default_vlan_enable_flg =
4143 	    ECORE_TEST_BIT(ECORE_Q_UPDATE_DEF_VLAN_EN, &params->update_flags);
4144 	data->default_vlan_change_flg =
4145 	    ECORE_TEST_BIT(ECORE_Q_UPDATE_DEF_VLAN_EN_CHNG,
4146 			   &params->update_flags);
4147 
4148 	/* silent vlan removal */
4149 	data->silent_vlan_change_flg =
4150 	    ECORE_TEST_BIT(ECORE_Q_UPDATE_SILENT_VLAN_REM_CHNG,
4151 			   &params->update_flags);
4152 	data->silent_vlan_removal_flg =
4153 	    ECORE_TEST_BIT(ECORE_Q_UPDATE_SILENT_VLAN_REM,
4154 			   &params->update_flags);
4155 	data->silent_vlan_value =
4156 	    ECORE_CPU_TO_LE16(params->silent_removal_value);
4157 	data->silent_vlan_mask = ECORE_CPU_TO_LE16(params->silent_removal_mask);
4158 
4159 	/* tx switching */
4160 	data->tx_switching_flg =
4161 	    ECORE_TEST_BIT(ECORE_Q_UPDATE_TX_SWITCHING, &params->update_flags);
4162 	data->tx_switching_change_flg =
4163 	    ECORE_TEST_BIT(ECORE_Q_UPDATE_TX_SWITCHING_CHNG,
4164 			   &params->update_flags);
4165 }
4166 
4167 static int ecore_q_send_update(struct bnx2x_softc *sc,
4168 			       struct ecore_queue_state_params *params)
4169 {
4170 	struct ecore_queue_sp_obj *o = params->q_obj;
4171 	struct client_update_ramrod_data *rdata =
4172 	    (struct client_update_ramrod_data *)o->rdata;
4173 	ecore_dma_addr_t data_mapping = o->rdata_mapping;
4174 	struct ecore_queue_update_params *update_params =
4175 	    &params->params.update;
4176 	uint8_t cid_index = update_params->cid_index;
4177 
4178 	if (cid_index >= o->max_cos) {
4179 		PMD_DRV_LOG(ERR, sc, "queue[%d]: cid_index (%d) is out of range",
4180 			    o->cl_id, cid_index);
4181 		return ECORE_INVAL;
4182 	}
4183 
4184 	/* Clear the ramrod data */
4185 	ECORE_MEMSET(rdata, 0, sizeof(*rdata));
4186 
4187 	/* Fill the ramrod data */
4188 	ecore_q_fill_update_data(o, update_params, rdata);
4189 
4190 	/* No need for an explicit memory barrier here as long we would
4191 	 * need to ensure the ordering of writing to the SPQ element
4192 	 * and updating of the SPQ producer which involves a memory
4193 	 * read and we will have to put a full memory barrier there
4194 	 * (inside ecore_sp_post()).
4195 	 */
4196 
4197 	return ecore_sp_post(sc, RAMROD_CMD_ID_ETH_CLIENT_UPDATE,
4198 			     o->cids[cid_index], data_mapping,
4199 			     ETH_CONNECTION_TYPE);
4200 }
4201 
4202 /**
4203  * ecore_q_send_deactivate - send DEACTIVATE command
4204  *
4205  * @sc:		device handle
4206  * @params:
4207  *
4208  * implemented using the UPDATE command.
4209  */
4210 static int ecore_q_send_deactivate(struct bnx2x_softc *sc, struct ecore_queue_state_params
4211 				   *params)
4212 {
4213 	struct ecore_queue_update_params *update = &params->params.update;
4214 
4215 	ECORE_MEMSET(update, 0, sizeof(*update));
4216 
4217 	ECORE_SET_BIT_NA(ECORE_Q_UPDATE_ACTIVATE_CHNG, &update->update_flags);
4218 
4219 	return ecore_q_send_update(sc, params);
4220 }
4221 
4222 /**
4223  * ecore_q_send_activate - send ACTIVATE command
4224  *
4225  * @sc:		device handle
4226  * @params:
4227  *
4228  * implemented using the UPDATE command.
4229  */
4230 static int ecore_q_send_activate(struct bnx2x_softc *sc,
4231 				 struct ecore_queue_state_params *params)
4232 {
4233 	struct ecore_queue_update_params *update = &params->params.update;
4234 
4235 	ECORE_MEMSET(update, 0, sizeof(*update));
4236 
4237 	ECORE_SET_BIT_NA(ECORE_Q_UPDATE_ACTIVATE, &update->update_flags);
4238 	ECORE_SET_BIT_NA(ECORE_Q_UPDATE_ACTIVATE_CHNG, &update->update_flags);
4239 
4240 	return ecore_q_send_update(sc, params);
4241 }
4242 
4243 static int ecore_q_send_update_tpa(__rte_unused struct bnx2x_softc *sc,
4244 				   __rte_unused struct
4245 				   ecore_queue_state_params *params)
4246 {
4247 	/* Not implemented yet. */
4248 	return -1;
4249 }
4250 
4251 static int ecore_q_send_halt(struct bnx2x_softc *sc,
4252 			     struct ecore_queue_state_params *params)
4253 {
4254 	struct ecore_queue_sp_obj *o = params->q_obj;
4255 
4256 	/* build eth_halt_ramrod_data.client_id in a big-endian friendly way */
4257 	ecore_dma_addr_t data_mapping = 0;
4258 	data_mapping = (ecore_dma_addr_t) o->cl_id;
4259 
4260 	return ecore_sp_post(sc,
4261 			     RAMROD_CMD_ID_ETH_HALT,
4262 			     o->cids[ECORE_PRIMARY_CID_INDEX],
4263 			     data_mapping, ETH_CONNECTION_TYPE);
4264 }
4265 
4266 static int ecore_q_send_cfc_del(struct bnx2x_softc *sc,
4267 				struct ecore_queue_state_params *params)
4268 {
4269 	struct ecore_queue_sp_obj *o = params->q_obj;
4270 	uint8_t cid_idx = params->params.cfc_del.cid_index;
4271 
4272 	if (cid_idx >= o->max_cos) {
4273 		PMD_DRV_LOG(ERR, sc, "queue[%d]: cid_index (%d) is out of range",
4274 			    o->cl_id, cid_idx);
4275 		return ECORE_INVAL;
4276 	}
4277 
4278 	return ecore_sp_post(sc, RAMROD_CMD_ID_COMMON_CFC_DEL,
4279 			     o->cids[cid_idx], 0, NONE_CONNECTION_TYPE);
4280 }
4281 
4282 static int ecore_q_send_terminate(struct bnx2x_softc *sc, struct ecore_queue_state_params
4283 				  *params)
4284 {
4285 	struct ecore_queue_sp_obj *o = params->q_obj;
4286 	uint8_t cid_index = params->params.terminate.cid_index;
4287 
4288 	if (cid_index >= o->max_cos) {
4289 		PMD_DRV_LOG(ERR, sc, "queue[%d]: cid_index (%d) is out of range",
4290 			    o->cl_id, cid_index);
4291 		return ECORE_INVAL;
4292 	}
4293 
4294 	return ecore_sp_post(sc, RAMROD_CMD_ID_ETH_TERMINATE,
4295 			     o->cids[cid_index], 0, ETH_CONNECTION_TYPE);
4296 }
4297 
4298 static int ecore_q_send_empty(struct bnx2x_softc *sc,
4299 			      struct ecore_queue_state_params *params)
4300 {
4301 	struct ecore_queue_sp_obj *o = params->q_obj;
4302 
4303 	return ecore_sp_post(sc, RAMROD_CMD_ID_ETH_EMPTY,
4304 			     o->cids[ECORE_PRIMARY_CID_INDEX], 0,
4305 			     ETH_CONNECTION_TYPE);
4306 }
4307 
4308 static int ecore_queue_send_cmd_cmn(struct bnx2x_softc *sc, struct ecore_queue_state_params
4309 				    *params)
4310 {
4311 	switch (params->cmd) {
4312 	case ECORE_Q_CMD_INIT:
4313 		return ecore_q_init(sc, params);
4314 	case ECORE_Q_CMD_SETUP_TX_ONLY:
4315 		return ecore_q_send_setup_tx_only(sc, params);
4316 	case ECORE_Q_CMD_DEACTIVATE:
4317 		return ecore_q_send_deactivate(sc, params);
4318 	case ECORE_Q_CMD_ACTIVATE:
4319 		return ecore_q_send_activate(sc, params);
4320 	case ECORE_Q_CMD_UPDATE:
4321 		return ecore_q_send_update(sc, params);
4322 	case ECORE_Q_CMD_UPDATE_TPA:
4323 		return ecore_q_send_update_tpa(sc, params);
4324 	case ECORE_Q_CMD_HALT:
4325 		return ecore_q_send_halt(sc, params);
4326 	case ECORE_Q_CMD_CFC_DEL:
4327 		return ecore_q_send_cfc_del(sc, params);
4328 	case ECORE_Q_CMD_TERMINATE:
4329 		return ecore_q_send_terminate(sc, params);
4330 	case ECORE_Q_CMD_EMPTY:
4331 		return ecore_q_send_empty(sc, params);
4332 	default:
4333 		PMD_DRV_LOG(ERR, sc, "Unknown command: %d", params->cmd);
4334 		return ECORE_INVAL;
4335 	}
4336 }
4337 
4338 static int ecore_queue_send_cmd_e1x(struct bnx2x_softc *sc,
4339 				    struct ecore_queue_state_params *params)
4340 {
4341 	switch (params->cmd) {
4342 	case ECORE_Q_CMD_SETUP:
4343 		return ecore_q_send_setup_e1x(sc, params);
4344 	case ECORE_Q_CMD_INIT:
4345 	case ECORE_Q_CMD_SETUP_TX_ONLY:
4346 	case ECORE_Q_CMD_DEACTIVATE:
4347 	case ECORE_Q_CMD_ACTIVATE:
4348 	case ECORE_Q_CMD_UPDATE:
4349 	case ECORE_Q_CMD_UPDATE_TPA:
4350 	case ECORE_Q_CMD_HALT:
4351 	case ECORE_Q_CMD_CFC_DEL:
4352 	case ECORE_Q_CMD_TERMINATE:
4353 	case ECORE_Q_CMD_EMPTY:
4354 		return ecore_queue_send_cmd_cmn(sc, params);
4355 	default:
4356 		PMD_DRV_LOG(ERR, sc, "Unknown command: %d", params->cmd);
4357 		return ECORE_INVAL;
4358 	}
4359 }
4360 
4361 static int ecore_queue_send_cmd_e2(struct bnx2x_softc *sc,
4362 				   struct ecore_queue_state_params *params)
4363 {
4364 	switch (params->cmd) {
4365 	case ECORE_Q_CMD_SETUP:
4366 		return ecore_q_send_setup_e2(sc, params);
4367 	case ECORE_Q_CMD_INIT:
4368 	case ECORE_Q_CMD_SETUP_TX_ONLY:
4369 	case ECORE_Q_CMD_DEACTIVATE:
4370 	case ECORE_Q_CMD_ACTIVATE:
4371 	case ECORE_Q_CMD_UPDATE:
4372 	case ECORE_Q_CMD_UPDATE_TPA:
4373 	case ECORE_Q_CMD_HALT:
4374 	case ECORE_Q_CMD_CFC_DEL:
4375 	case ECORE_Q_CMD_TERMINATE:
4376 	case ECORE_Q_CMD_EMPTY:
4377 		return ecore_queue_send_cmd_cmn(sc, params);
4378 	default:
4379 		PMD_DRV_LOG(ERR, sc, "Unknown command: %d", params->cmd);
4380 		return ECORE_INVAL;
4381 	}
4382 }
4383 
4384 /**
4385  * ecore_queue_chk_transition - check state machine of a regular Queue
4386  *
4387  * @sc:		device handle
4388  * @o:
4389  * @params:
4390  *
4391  * (not Forwarding)
4392  * It both checks if the requested command is legal in a current
4393  * state and, if it's legal, sets a `next_state' in the object
4394  * that will be used in the completion flow to set the `state'
4395  * of the object.
4396  *
4397  * returns 0 if a requested command is a legal transition,
4398  *         ECORE_INVAL otherwise.
4399  */
4400 static int ecore_queue_chk_transition(struct bnx2x_softc *sc __rte_unused,
4401 				      struct ecore_queue_sp_obj *o,
4402 				      struct ecore_queue_state_params *params)
4403 {
4404 	enum ecore_q_state state = o->state, next_state = ECORE_Q_STATE_MAX;
4405 	enum ecore_queue_cmd cmd = params->cmd;
4406 	struct ecore_queue_update_params *update_params =
4407 	    &params->params.update;
4408 	uint8_t next_tx_only = o->num_tx_only;
4409 
4410 	/* Forget all pending for completion commands if a driver only state
4411 	 * transition has been requested.
4412 	 */
4413 	if (ECORE_TEST_BIT(RAMROD_DRV_CLR_ONLY, &params->ramrod_flags)) {
4414 		o->pending = 0;
4415 		o->next_state = ECORE_Q_STATE_MAX;
4416 	}
4417 
4418 	/* Don't allow a next state transition if we are in the middle of
4419 	 * the previous one.
4420 	 */
4421 	if (o->pending) {
4422 		PMD_DRV_LOG(ERR, sc, "Blocking transition since pending was %lx",
4423 			    o->pending);
4424 		return ECORE_BUSY;
4425 	}
4426 
4427 	switch (state) {
4428 	case ECORE_Q_STATE_RESET:
4429 		if (cmd == ECORE_Q_CMD_INIT)
4430 			next_state = ECORE_Q_STATE_INITIALIZED;
4431 
4432 		break;
4433 	case ECORE_Q_STATE_INITIALIZED:
4434 		if (cmd == ECORE_Q_CMD_SETUP) {
4435 			if (ECORE_TEST_BIT(ECORE_Q_FLG_ACTIVE,
4436 					   &params->params.setup.flags))
4437 				next_state = ECORE_Q_STATE_ACTIVE;
4438 			else
4439 				next_state = ECORE_Q_STATE_INACTIVE;
4440 		}
4441 
4442 		break;
4443 	case ECORE_Q_STATE_ACTIVE:
4444 		if (cmd == ECORE_Q_CMD_DEACTIVATE)
4445 			next_state = ECORE_Q_STATE_INACTIVE;
4446 
4447 		else if ((cmd == ECORE_Q_CMD_EMPTY) ||
4448 			 (cmd == ECORE_Q_CMD_UPDATE_TPA))
4449 			next_state = ECORE_Q_STATE_ACTIVE;
4450 
4451 		else if (cmd == ECORE_Q_CMD_SETUP_TX_ONLY) {
4452 			next_state = ECORE_Q_STATE_MULTI_COS;
4453 			next_tx_only = 1;
4454 		}
4455 
4456 		else if (cmd == ECORE_Q_CMD_HALT)
4457 			next_state = ECORE_Q_STATE_STOPPED;
4458 
4459 		else if (cmd == ECORE_Q_CMD_UPDATE) {
4460 			/* If "active" state change is requested, update the
4461 			 *  state accordingly.
4462 			 */
4463 			if (ECORE_TEST_BIT(ECORE_Q_UPDATE_ACTIVATE_CHNG,
4464 					   &update_params->update_flags) &&
4465 			    !ECORE_TEST_BIT(ECORE_Q_UPDATE_ACTIVATE,
4466 					    &update_params->update_flags))
4467 				next_state = ECORE_Q_STATE_INACTIVE;
4468 			else
4469 				next_state = ECORE_Q_STATE_ACTIVE;
4470 		}
4471 
4472 		break;
4473 	case ECORE_Q_STATE_MULTI_COS:
4474 		if (cmd == ECORE_Q_CMD_TERMINATE)
4475 			next_state = ECORE_Q_STATE_MCOS_TERMINATED;
4476 
4477 		else if (cmd == ECORE_Q_CMD_SETUP_TX_ONLY) {
4478 			next_state = ECORE_Q_STATE_MULTI_COS;
4479 			next_tx_only = o->num_tx_only + 1;
4480 		}
4481 
4482 		else if ((cmd == ECORE_Q_CMD_EMPTY) ||
4483 			 (cmd == ECORE_Q_CMD_UPDATE_TPA))
4484 			next_state = ECORE_Q_STATE_MULTI_COS;
4485 
4486 		else if (cmd == ECORE_Q_CMD_UPDATE) {
4487 			/* If "active" state change is requested, update the
4488 			 *  state accordingly.
4489 			 */
4490 			if (ECORE_TEST_BIT(ECORE_Q_UPDATE_ACTIVATE_CHNG,
4491 					   &update_params->update_flags) &&
4492 			    !ECORE_TEST_BIT(ECORE_Q_UPDATE_ACTIVATE,
4493 					    &update_params->update_flags))
4494 				next_state = ECORE_Q_STATE_INACTIVE;
4495 			else
4496 				next_state = ECORE_Q_STATE_MULTI_COS;
4497 		}
4498 
4499 		break;
4500 	case ECORE_Q_STATE_MCOS_TERMINATED:
4501 		if (cmd == ECORE_Q_CMD_CFC_DEL) {
4502 			next_tx_only = o->num_tx_only - 1;
4503 			if (next_tx_only == 0)
4504 				next_state = ECORE_Q_STATE_ACTIVE;
4505 			else
4506 				next_state = ECORE_Q_STATE_MULTI_COS;
4507 		}
4508 
4509 		break;
4510 	case ECORE_Q_STATE_INACTIVE:
4511 		if (cmd == ECORE_Q_CMD_ACTIVATE)
4512 			next_state = ECORE_Q_STATE_ACTIVE;
4513 
4514 		else if ((cmd == ECORE_Q_CMD_EMPTY) ||
4515 			 (cmd == ECORE_Q_CMD_UPDATE_TPA))
4516 			next_state = ECORE_Q_STATE_INACTIVE;
4517 
4518 		else if (cmd == ECORE_Q_CMD_HALT)
4519 			next_state = ECORE_Q_STATE_STOPPED;
4520 
4521 		else if (cmd == ECORE_Q_CMD_UPDATE) {
4522 			/* If "active" state change is requested, update the
4523 			 * state accordingly.
4524 			 */
4525 			if (ECORE_TEST_BIT(ECORE_Q_UPDATE_ACTIVATE_CHNG,
4526 					   &update_params->update_flags) &&
4527 			    ECORE_TEST_BIT(ECORE_Q_UPDATE_ACTIVATE,
4528 					   &update_params->update_flags)) {
4529 				if (o->num_tx_only == 0)
4530 					next_state = ECORE_Q_STATE_ACTIVE;
4531 				else	/* tx only queues exist for this queue */
4532 					next_state = ECORE_Q_STATE_MULTI_COS;
4533 			} else
4534 				next_state = ECORE_Q_STATE_INACTIVE;
4535 		}
4536 
4537 		break;
4538 	case ECORE_Q_STATE_STOPPED:
4539 		if (cmd == ECORE_Q_CMD_TERMINATE)
4540 			next_state = ECORE_Q_STATE_TERMINATED;
4541 
4542 		break;
4543 	case ECORE_Q_STATE_TERMINATED:
4544 		if (cmd == ECORE_Q_CMD_CFC_DEL)
4545 			next_state = ECORE_Q_STATE_RESET;
4546 
4547 		break;
4548 	default:
4549 		PMD_DRV_LOG(ERR, sc, "Illegal state: %d", state);
4550 	}
4551 
4552 	/* Transition is assured */
4553 	if (next_state != ECORE_Q_STATE_MAX) {
4554 		ECORE_MSG(sc, "Good state transition: %d(%d)->%d",
4555 			  state, cmd, next_state);
4556 		o->next_state = next_state;
4557 		o->next_tx_only = next_tx_only;
4558 		return ECORE_SUCCESS;
4559 	}
4560 
4561 	ECORE_MSG(sc, "Bad state transition request: %d %d", state, cmd);
4562 
4563 	return ECORE_INVAL;
4564 }
4565 
4566 /**
4567  * ecore_queue_chk_fwd_transition - check state machine of a Forwarding Queue.
4568  *
4569  * @sc:		device handle
4570  * @o:
4571  * @params:
4572  *
4573  * It both checks if the requested command is legal in a current
4574  * state and, if it's legal, sets a `next_state' in the object
4575  * that will be used in the completion flow to set the `state'
4576  * of the object.
4577  *
4578  * returns 0 if a requested command is a legal transition,
4579  *         ECORE_INVAL otherwise.
4580  */
4581 static int ecore_queue_chk_fwd_transition(struct bnx2x_softc *sc __rte_unused,
4582 					  struct ecore_queue_sp_obj *o,
4583 					  struct ecore_queue_state_params
4584 					  *params)
4585 {
4586 	enum ecore_q_state state = o->state, next_state = ECORE_Q_STATE_MAX;
4587 	enum ecore_queue_cmd cmd = params->cmd;
4588 
4589 	switch (state) {
4590 	case ECORE_Q_STATE_RESET:
4591 		if (cmd == ECORE_Q_CMD_INIT)
4592 			next_state = ECORE_Q_STATE_INITIALIZED;
4593 
4594 		break;
4595 	case ECORE_Q_STATE_INITIALIZED:
4596 		if (cmd == ECORE_Q_CMD_SETUP_TX_ONLY) {
4597 			if (ECORE_TEST_BIT(ECORE_Q_FLG_ACTIVE,
4598 					   &params->params.tx_only.flags))
4599 				next_state = ECORE_Q_STATE_ACTIVE;
4600 			else
4601 				next_state = ECORE_Q_STATE_INACTIVE;
4602 		}
4603 
4604 		break;
4605 	case ECORE_Q_STATE_ACTIVE:
4606 	case ECORE_Q_STATE_INACTIVE:
4607 		if (cmd == ECORE_Q_CMD_CFC_DEL)
4608 			next_state = ECORE_Q_STATE_RESET;
4609 
4610 		break;
4611 	default:
4612 		PMD_DRV_LOG(ERR, sc, "Illegal state: %d", state);
4613 	}
4614 
4615 	/* Transition is assured */
4616 	if (next_state != ECORE_Q_STATE_MAX) {
4617 		ECORE_MSG(sc, "Good state transition: %d(%d)->%d",
4618 			  state, cmd, next_state);
4619 		o->next_state = next_state;
4620 		return ECORE_SUCCESS;
4621 	}
4622 
4623 	ECORE_MSG(sc, "Bad state transition request: %d %d", state, cmd);
4624 	return ECORE_INVAL;
4625 }
4626 
4627 void ecore_init_queue_obj(struct bnx2x_softc *sc,
4628 			  struct ecore_queue_sp_obj *obj,
4629 			  uint8_t cl_id, uint32_t * cids, uint8_t cid_cnt,
4630 			  uint8_t func_id, void *rdata,
4631 			  ecore_dma_addr_t rdata_mapping, unsigned long type)
4632 {
4633 	ECORE_MEMSET(obj, 0, sizeof(*obj));
4634 
4635 	/* We support only ECORE_MULTI_TX_COS Tx CoS at the moment */
4636 	ECORE_BUG_ON(ECORE_MULTI_TX_COS < cid_cnt);
4637 
4638 	rte_memcpy(obj->cids, cids, sizeof(obj->cids[0]) * cid_cnt);
4639 	obj->max_cos = cid_cnt;
4640 	obj->cl_id = cl_id;
4641 	obj->func_id = func_id;
4642 	obj->rdata = rdata;
4643 	obj->rdata_mapping = rdata_mapping;
4644 	obj->type = type;
4645 	obj->next_state = ECORE_Q_STATE_MAX;
4646 
4647 	if (CHIP_IS_E1x(sc))
4648 		obj->send_cmd = ecore_queue_send_cmd_e1x;
4649 	else
4650 		obj->send_cmd = ecore_queue_send_cmd_e2;
4651 
4652 	if (ECORE_TEST_BIT(ECORE_Q_TYPE_FWD, &type))
4653 		obj->check_transition = ecore_queue_chk_fwd_transition;
4654 	else
4655 		obj->check_transition = ecore_queue_chk_transition;
4656 
4657 	obj->complete_cmd = ecore_queue_comp_cmd;
4658 	obj->wait_comp = ecore_queue_wait_comp;
4659 	obj->set_pending = ecore_queue_set_pending;
4660 }
4661 
4662 /********************** Function state object *********************************/
4663 enum ecore_func_state ecore_func_get_state(__rte_unused struct bnx2x_softc *sc,
4664 					   struct ecore_func_sp_obj *o)
4665 {
4666 	/* in the middle of transaction - return INVALID state */
4667 	if (o->pending)
4668 		return ECORE_F_STATE_MAX;
4669 
4670 	/* unsure the order of reading of o->pending and o->state
4671 	 * o->pending should be read first
4672 	 */
4673 	rmb();
4674 
4675 	return o->state;
4676 }
4677 
4678 static int ecore_func_wait_comp(struct bnx2x_softc *sc,
4679 				struct ecore_func_sp_obj *o,
4680 				enum ecore_func_cmd cmd)
4681 {
4682 	return ecore_state_wait(sc, cmd, &o->pending);
4683 }
4684 
4685 /**
4686  * ecore_func_state_change_comp - complete the state machine transition
4687  *
4688  * @sc:		device handle
4689  * @o:
4690  * @cmd:
4691  *
4692  * Called on state change transition. Completes the state
4693  * machine transition only - no HW interaction.
4694  */
4695 static int
4696 ecore_func_state_change_comp(struct bnx2x_softc *sc __rte_unused,
4697 			     struct ecore_func_sp_obj *o,
4698 			     enum ecore_func_cmd cmd)
4699 {
4700 	unsigned long cur_pending = o->pending;
4701 
4702 	if (!ECORE_TEST_AND_CLEAR_BIT(cmd, &cur_pending)) {
4703 		PMD_DRV_LOG(ERR, sc,
4704 			    "Bad MC reply %d for func %d in state %d pending 0x%lx, next_state %d",
4705 			    cmd, ECORE_FUNC_ID(sc), o->state, cur_pending,
4706 			    o->next_state);
4707 		return ECORE_INVAL;
4708 	}
4709 
4710 	ECORE_MSG(sc, "Completing command %d for func %d, setting state to %d",
4711 		  cmd, ECORE_FUNC_ID(sc), o->next_state);
4712 
4713 	o->state = o->next_state;
4714 	o->next_state = ECORE_F_STATE_MAX;
4715 
4716 	/* It's important that o->state and o->next_state are
4717 	 * updated before o->pending.
4718 	 */
4719 	wmb();
4720 
4721 	ECORE_CLEAR_BIT(cmd, &o->pending);
4722 	ECORE_SMP_MB_AFTER_CLEAR_BIT();
4723 
4724 	return ECORE_SUCCESS;
4725 }
4726 
4727 /**
4728  * ecore_func_comp_cmd - complete the state change command
4729  *
4730  * @sc:		device handle
4731  * @o:
4732  * @cmd:
4733  *
4734  * Checks that the arrived completion is expected.
4735  */
4736 static int ecore_func_comp_cmd(struct bnx2x_softc *sc,
4737 			       struct ecore_func_sp_obj *o,
4738 			       enum ecore_func_cmd cmd)
4739 {
4740 	/* Complete the state machine part first, check if it's a
4741 	 * legal completion.
4742 	 */
4743 	int rc = ecore_func_state_change_comp(sc, o, cmd);
4744 	return rc;
4745 }
4746 
4747 /**
4748  * ecore_func_chk_transition - perform function state machine transition
4749  *
4750  * @sc:		device handle
4751  * @o:
4752  * @params:
4753  *
4754  * It both checks if the requested command is legal in a current
4755  * state and, if it's legal, sets a `next_state' in the object
4756  * that will be used in the completion flow to set the `state'
4757  * of the object.
4758  *
4759  * returns 0 if a requested command is a legal transition,
4760  *         ECORE_INVAL otherwise.
4761  */
4762 static int ecore_func_chk_transition(struct bnx2x_softc *sc __rte_unused,
4763 				     struct ecore_func_sp_obj *o,
4764 				     struct ecore_func_state_params *params)
4765 {
4766 	enum ecore_func_state state = o->state, next_state = ECORE_F_STATE_MAX;
4767 	enum ecore_func_cmd cmd = params->cmd;
4768 
4769 	/* Forget all pending for completion commands if a driver only state
4770 	 * transition has been requested.
4771 	 */
4772 	if (ECORE_TEST_BIT(RAMROD_DRV_CLR_ONLY, &params->ramrod_flags)) {
4773 		o->pending = 0;
4774 		o->next_state = ECORE_F_STATE_MAX;
4775 	}
4776 
4777 	/* Don't allow a next state transition if we are in the middle of
4778 	 * the previous one.
4779 	 */
4780 	if (o->pending)
4781 		return ECORE_BUSY;
4782 
4783 	switch (state) {
4784 	case ECORE_F_STATE_RESET:
4785 		if (cmd == ECORE_F_CMD_HW_INIT)
4786 			next_state = ECORE_F_STATE_INITIALIZED;
4787 
4788 		break;
4789 	case ECORE_F_STATE_INITIALIZED:
4790 		if (cmd == ECORE_F_CMD_START)
4791 			next_state = ECORE_F_STATE_STARTED;
4792 
4793 		else if (cmd == ECORE_F_CMD_HW_RESET)
4794 			next_state = ECORE_F_STATE_RESET;
4795 
4796 		break;
4797 	case ECORE_F_STATE_STARTED:
4798 		if (cmd == ECORE_F_CMD_STOP)
4799 			next_state = ECORE_F_STATE_INITIALIZED;
4800 		/* afex ramrods can be sent only in started mode, and only
4801 		 * if not pending for function_stop ramrod completion
4802 		 * for these events - next state remained STARTED.
4803 		 */
4804 		else if ((cmd == ECORE_F_CMD_AFEX_UPDATE) &&
4805 			 (!ECORE_TEST_BIT(ECORE_F_CMD_STOP, &o->pending)))
4806 			next_state = ECORE_F_STATE_STARTED;
4807 
4808 		else if ((cmd == ECORE_F_CMD_AFEX_VIFLISTS) &&
4809 			 (!ECORE_TEST_BIT(ECORE_F_CMD_STOP, &o->pending)))
4810 			next_state = ECORE_F_STATE_STARTED;
4811 
4812 		/* Switch_update ramrod can be sent in either started or
4813 		 * tx_stopped state, and it doesn't change the state.
4814 		 */
4815 		else if ((cmd == ECORE_F_CMD_SWITCH_UPDATE) &&
4816 			 (!ECORE_TEST_BIT(ECORE_F_CMD_STOP, &o->pending)))
4817 			next_state = ECORE_F_STATE_STARTED;
4818 
4819 		else if (cmd == ECORE_F_CMD_TX_STOP)
4820 			next_state = ECORE_F_STATE_TX_STOPPED;
4821 
4822 		break;
4823 	case ECORE_F_STATE_TX_STOPPED:
4824 		if ((cmd == ECORE_F_CMD_SWITCH_UPDATE) &&
4825 		    (!ECORE_TEST_BIT(ECORE_F_CMD_STOP, &o->pending)))
4826 			next_state = ECORE_F_STATE_TX_STOPPED;
4827 
4828 		else if (cmd == ECORE_F_CMD_TX_START)
4829 			next_state = ECORE_F_STATE_STARTED;
4830 
4831 		break;
4832 	default:
4833 		PMD_DRV_LOG(ERR, sc, "Unknown state: %d", state);
4834 	}
4835 
4836 	/* Transition is assured */
4837 	if (next_state != ECORE_F_STATE_MAX) {
4838 		ECORE_MSG(sc, "Good function state transition: %d(%d)->%d",
4839 			  state, cmd, next_state);
4840 		o->next_state = next_state;
4841 		return ECORE_SUCCESS;
4842 	}
4843 
4844 	ECORE_MSG(sc,
4845 		  "Bad function state transition request: %d %d", state, cmd);
4846 
4847 	return ECORE_INVAL;
4848 }
4849 
4850 /**
4851  * ecore_func_init_func - performs HW init at function stage
4852  *
4853  * @sc:		device handle
4854  * @drv:
4855  *
4856  * Init HW when the current phase is
4857  * FW_MSG_CODE_DRV_LOAD_FUNCTION: initialize only FUNCTION-only
4858  * HW blocks.
4859  */
4860 static int ecore_func_init_func(struct bnx2x_softc *sc,
4861 				const struct ecore_func_sp_drv_ops *drv)
4862 {
4863 	return drv->init_hw_func(sc);
4864 }
4865 
4866 /**
4867  * ecore_func_init_port - performs HW init at port stage
4868  *
4869  * @sc:		device handle
4870  * @drv:
4871  *
4872  * Init HW when the current phase is
4873  * FW_MSG_CODE_DRV_LOAD_PORT: initialize PORT-only and
4874  * FUNCTION-only HW blocks.
4875  *
4876  */
4877 static int ecore_func_init_port(struct bnx2x_softc *sc,
4878 				const struct ecore_func_sp_drv_ops *drv)
4879 {
4880 	int rc = drv->init_hw_port(sc);
4881 	if (rc)
4882 		return rc;
4883 
4884 	return ecore_func_init_func(sc, drv);
4885 }
4886 
4887 /**
4888  * ecore_func_init_cmn_chip - performs HW init at chip-common stage
4889  *
4890  * @sc:		device handle
4891  * @drv:
4892  *
4893  * Init HW when the current phase is
4894  * FW_MSG_CODE_DRV_LOAD_COMMON_CHIP: initialize COMMON_CHIP,
4895  * PORT-only and FUNCTION-only HW blocks.
4896  */
4897 static int ecore_func_init_cmn_chip(struct bnx2x_softc *sc, const struct ecore_func_sp_drv_ops
4898 				    *drv)
4899 {
4900 	int rc = drv->init_hw_cmn_chip(sc);
4901 	if (rc)
4902 		return rc;
4903 
4904 	return ecore_func_init_port(sc, drv);
4905 }
4906 
4907 /**
4908  * ecore_func_init_cmn - performs HW init at common stage
4909  *
4910  * @sc:		device handle
4911  * @drv:
4912  *
4913  * Init HW when the current phase is
4914  * FW_MSG_CODE_DRV_LOAD_COMMON_CHIP: initialize COMMON,
4915  * PORT-only and FUNCTION-only HW blocks.
4916  */
4917 static int ecore_func_init_cmn(struct bnx2x_softc *sc,
4918 			       const struct ecore_func_sp_drv_ops *drv)
4919 {
4920 	int rc = drv->init_hw_cmn(sc);
4921 	if (rc)
4922 		return rc;
4923 
4924 	return ecore_func_init_port(sc, drv);
4925 }
4926 
4927 static int ecore_func_hw_init(struct bnx2x_softc *sc,
4928 			      struct ecore_func_state_params *params)
4929 {
4930 	uint32_t load_code = params->params.hw_init.load_phase;
4931 	struct ecore_func_sp_obj *o = params->f_obj;
4932 	const struct ecore_func_sp_drv_ops *drv = o->drv;
4933 	int rc = 0;
4934 
4935 	ECORE_MSG(sc, "function %d  load_code %x",
4936 		  ECORE_ABS_FUNC_ID(sc), load_code);
4937 
4938 	/* Prepare FW */
4939 	rc = drv->init_fw(sc);
4940 	if (rc) {
4941 		PMD_DRV_LOG(ERR, sc, "Error loading firmware");
4942 		goto init_err;
4943 	}
4944 
4945 	/* Handle the beginning of COMMON_XXX pases separately... */
4946 	switch (load_code) {
4947 	case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
4948 		rc = ecore_func_init_cmn_chip(sc, drv);
4949 		if (rc)
4950 			goto init_err;
4951 
4952 		break;
4953 	case FW_MSG_CODE_DRV_LOAD_COMMON:
4954 		rc = ecore_func_init_cmn(sc, drv);
4955 		if (rc)
4956 			goto init_err;
4957 
4958 		break;
4959 	case FW_MSG_CODE_DRV_LOAD_PORT:
4960 		rc = ecore_func_init_port(sc, drv);
4961 		if (rc)
4962 			goto init_err;
4963 
4964 		break;
4965 	case FW_MSG_CODE_DRV_LOAD_FUNCTION:
4966 		rc = ecore_func_init_func(sc, drv);
4967 		if (rc)
4968 			goto init_err;
4969 
4970 		break;
4971 	default:
4972 		PMD_DRV_LOG(ERR, sc, "Unknown load_code (0x%x) from MCP",
4973 			    load_code);
4974 		rc = ECORE_INVAL;
4975 	}
4976 
4977 init_err:
4978 	/* In case of success, complete the command immediately: no ramrods
4979 	 * have been sent.
4980 	 */
4981 	if (!rc)
4982 		o->complete_cmd(sc, o, ECORE_F_CMD_HW_INIT);
4983 
4984 	return rc;
4985 }
4986 
4987 /**
4988  * ecore_func_reset_func - reset HW at function stage
4989  *
4990  * @sc:		device handle
4991  * @drv:
4992  *
4993  * Reset HW at FW_MSG_CODE_DRV_UNLOAD_FUNCTION stage: reset only
4994  * FUNCTION-only HW blocks.
4995  */
4996 static void ecore_func_reset_func(struct bnx2x_softc *sc, const struct ecore_func_sp_drv_ops
4997 				  *drv)
4998 {
4999 	drv->reset_hw_func(sc);
5000 }
5001 
5002 /**
5003  * ecore_func_reset_port - reser HW at port stage
5004  *
5005  * @sc:		device handle
5006  * @drv:
5007  *
5008  * Reset HW at FW_MSG_CODE_DRV_UNLOAD_PORT stage: reset
5009  * FUNCTION-only and PORT-only HW blocks.
5010  *
5011  *                 !!!IMPORTANT!!!
5012  *
5013  * It's important to call reset_port before reset_func() as the last thing
5014  * reset_func does is pf_disable() thus disabling PGLUE_B, which
5015  * makes impossible any DMAE transactions.
5016  */
5017 static void ecore_func_reset_port(struct bnx2x_softc *sc, const struct ecore_func_sp_drv_ops
5018 				  *drv)
5019 {
5020 	drv->reset_hw_port(sc);
5021 	ecore_func_reset_func(sc, drv);
5022 }
5023 
5024 /**
5025  * ecore_func_reset_cmn - reser HW at common stage
5026  *
5027  * @sc:		device handle
5028  * @drv:
5029  *
5030  * Reset HW at FW_MSG_CODE_DRV_UNLOAD_COMMON and
5031  * FW_MSG_CODE_DRV_UNLOAD_COMMON_CHIP stages: reset COMMON,
5032  * COMMON_CHIP, FUNCTION-only and PORT-only HW blocks.
5033  */
5034 static void ecore_func_reset_cmn(struct bnx2x_softc *sc,
5035 				 const struct ecore_func_sp_drv_ops *drv)
5036 {
5037 	ecore_func_reset_port(sc, drv);
5038 	drv->reset_hw_cmn(sc);
5039 }
5040 
5041 static int ecore_func_hw_reset(struct bnx2x_softc *sc,
5042 			       struct ecore_func_state_params *params)
5043 {
5044 	uint32_t reset_phase = params->params.hw_reset.reset_phase;
5045 	struct ecore_func_sp_obj *o = params->f_obj;
5046 	const struct ecore_func_sp_drv_ops *drv = o->drv;
5047 
5048 	ECORE_MSG(sc, "function %d  reset_phase %x", ECORE_ABS_FUNC_ID(sc),
5049 		  reset_phase);
5050 
5051 	switch (reset_phase) {
5052 	case FW_MSG_CODE_DRV_UNLOAD_COMMON:
5053 		ecore_func_reset_cmn(sc, drv);
5054 		break;
5055 	case FW_MSG_CODE_DRV_UNLOAD_PORT:
5056 		ecore_func_reset_port(sc, drv);
5057 		break;
5058 	case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
5059 		ecore_func_reset_func(sc, drv);
5060 		break;
5061 	default:
5062 		PMD_DRV_LOG(ERR, sc, "Unknown reset_phase (0x%x) from MCP",
5063 			    reset_phase);
5064 		break;
5065 	}
5066 
5067 	/* Complete the command immediately: no ramrods have been sent. */
5068 	o->complete_cmd(sc, o, ECORE_F_CMD_HW_RESET);
5069 
5070 	return ECORE_SUCCESS;
5071 }
5072 
5073 static int ecore_func_send_start(struct bnx2x_softc *sc,
5074 				 struct ecore_func_state_params *params)
5075 {
5076 	struct ecore_func_sp_obj *o = params->f_obj;
5077 	struct function_start_data *rdata =
5078 	    (struct function_start_data *)o->rdata;
5079 	ecore_dma_addr_t data_mapping = o->rdata_mapping;
5080 	struct ecore_func_start_params *start_params = &params->params.start;
5081 
5082 	ECORE_MEMSET(rdata, 0, sizeof(*rdata));
5083 
5084 	/* Fill the ramrod data with provided parameters */
5085 	rdata->function_mode = (uint8_t) start_params->mf_mode;
5086 	rdata->sd_vlan_tag = ECORE_CPU_TO_LE16(start_params->sd_vlan_tag);
5087 	rdata->path_id = ECORE_PATH_ID(sc);
5088 	rdata->network_cos_mode = start_params->network_cos_mode;
5089 	rdata->gre_tunnel_mode = start_params->gre_tunnel_mode;
5090 	rdata->gre_tunnel_rss = start_params->gre_tunnel_rss;
5091 
5092 	/*
5093 	 *  No need for an explicit memory barrier here as long we would
5094 	 *  need to ensure the ordering of writing to the SPQ element
5095 	 *  and updating of the SPQ producer which involves a memory
5096 	 *  read and we will have to put a full memory barrier there
5097 	 *  (inside ecore_sp_post()).
5098 	 */
5099 
5100 	return ecore_sp_post(sc, RAMROD_CMD_ID_COMMON_FUNCTION_START, 0,
5101 			     data_mapping, NONE_CONNECTION_TYPE);
5102 }
5103 
5104 static int ecore_func_send_switch_update(struct bnx2x_softc *sc, struct ecore_func_state_params
5105 					 *params)
5106 {
5107 	struct ecore_func_sp_obj *o = params->f_obj;
5108 	struct function_update_data *rdata =
5109 	    (struct function_update_data *)o->rdata;
5110 	ecore_dma_addr_t data_mapping = o->rdata_mapping;
5111 	struct ecore_func_switch_update_params *switch_update_params =
5112 	    &params->params.switch_update;
5113 
5114 	ECORE_MEMSET(rdata, 0, sizeof(*rdata));
5115 
5116 	/* Fill the ramrod data with provided parameters */
5117 	rdata->tx_switch_suspend_change_flg = 1;
5118 	rdata->tx_switch_suspend = switch_update_params->suspend;
5119 	rdata->echo = SWITCH_UPDATE;
5120 
5121 	return ecore_sp_post(sc, RAMROD_CMD_ID_COMMON_FUNCTION_UPDATE, 0,
5122 			     data_mapping, NONE_CONNECTION_TYPE);
5123 }
5124 
5125 static int ecore_func_send_afex_update(struct bnx2x_softc *sc, struct ecore_func_state_params
5126 				       *params)
5127 {
5128 	struct ecore_func_sp_obj *o = params->f_obj;
5129 	struct function_update_data *rdata =
5130 	    (struct function_update_data *)o->afex_rdata;
5131 	ecore_dma_addr_t data_mapping = o->afex_rdata_mapping;
5132 	struct ecore_func_afex_update_params *afex_update_params =
5133 	    &params->params.afex_update;
5134 
5135 	ECORE_MEMSET(rdata, 0, sizeof(*rdata));
5136 
5137 	/* Fill the ramrod data with provided parameters */
5138 	rdata->vif_id_change_flg = 1;
5139 	rdata->vif_id = ECORE_CPU_TO_LE16(afex_update_params->vif_id);
5140 	rdata->afex_default_vlan_change_flg = 1;
5141 	rdata->afex_default_vlan =
5142 	    ECORE_CPU_TO_LE16(afex_update_params->afex_default_vlan);
5143 	rdata->allowed_priorities_change_flg = 1;
5144 	rdata->allowed_priorities = afex_update_params->allowed_priorities;
5145 	rdata->echo = AFEX_UPDATE;
5146 
5147 	/*  No need for an explicit memory barrier here as long we would
5148 	 *  need to ensure the ordering of writing to the SPQ element
5149 	 *  and updating of the SPQ producer which involves a memory
5150 	 *  read and we will have to put a full memory barrier there
5151 	 *  (inside ecore_sp_post()).
5152 	 */
5153 	ECORE_MSG(sc, "afex: sending func_update vif_id 0x%x dvlan 0x%x prio 0x%x",
5154 		  rdata->vif_id,
5155 		  rdata->afex_default_vlan, rdata->allowed_priorities);
5156 
5157 	return ecore_sp_post(sc, RAMROD_CMD_ID_COMMON_FUNCTION_UPDATE, 0,
5158 			     data_mapping, NONE_CONNECTION_TYPE);
5159 }
5160 
5161 static
5162 inline int ecore_func_send_afex_viflists(struct bnx2x_softc *sc,
5163 					 struct ecore_func_state_params *params)
5164 {
5165 	struct ecore_func_sp_obj *o = params->f_obj;
5166 	struct afex_vif_list_ramrod_data *rdata =
5167 	    (struct afex_vif_list_ramrod_data *)o->afex_rdata;
5168 	struct ecore_func_afex_viflists_params *afex_vif_params =
5169 	    &params->params.afex_viflists;
5170 	uint64_t *p_rdata = (uint64_t *) rdata;
5171 
5172 	ECORE_MEMSET(rdata, 0, sizeof(*rdata));
5173 
5174 	/* Fill the ramrod data with provided parameters */
5175 	rdata->vif_list_index =
5176 	    ECORE_CPU_TO_LE16(afex_vif_params->vif_list_index);
5177 	rdata->func_bit_map = afex_vif_params->func_bit_map;
5178 	rdata->afex_vif_list_command = afex_vif_params->afex_vif_list_command;
5179 	rdata->func_to_clear = afex_vif_params->func_to_clear;
5180 
5181 	/* send in echo type of sub command */
5182 	rdata->echo = afex_vif_params->afex_vif_list_command;
5183 
5184 	/*  No need for an explicit memory barrier here as long we would
5185 	 *  need to ensure the ordering of writing to the SPQ element
5186 	 *  and updating of the SPQ producer which involves a memory
5187 	 *  read and we will have to put a full memory barrier there
5188 	 *  (inside ecore_sp_post()).
5189 	 */
5190 
5191 	    ECORE_MSG
5192 	    (sc, "afex: ramrod lists, cmd 0x%x index 0x%x func_bit_map 0x%x func_to_clr 0x%x",
5193 	     rdata->afex_vif_list_command, rdata->vif_list_index,
5194 	     rdata->func_bit_map, rdata->func_to_clear);
5195 
5196 	/* this ramrod sends data directly and not through DMA mapping */
5197 	return ecore_sp_post(sc, RAMROD_CMD_ID_COMMON_AFEX_VIF_LISTS, 0,
5198 			     *p_rdata, NONE_CONNECTION_TYPE);
5199 }
5200 
5201 static int ecore_func_send_stop(struct bnx2x_softc *sc, __rte_unused struct
5202 				ecore_func_state_params *params)
5203 {
5204 	return ecore_sp_post(sc, RAMROD_CMD_ID_COMMON_FUNCTION_STOP, 0, 0,
5205 			     NONE_CONNECTION_TYPE);
5206 }
5207 
5208 static int ecore_func_send_tx_stop(struct bnx2x_softc *sc, __rte_unused struct
5209 				   ecore_func_state_params *params)
5210 {
5211 	return ecore_sp_post(sc, RAMROD_CMD_ID_COMMON_STOP_TRAFFIC, 0, 0,
5212 			     NONE_CONNECTION_TYPE);
5213 }
5214 
5215 static int ecore_func_send_tx_start(struct bnx2x_softc *sc, struct ecore_func_state_params
5216 				    *params)
5217 {
5218 	struct ecore_func_sp_obj *o = params->f_obj;
5219 	struct flow_control_configuration *rdata =
5220 	    (struct flow_control_configuration *)o->rdata;
5221 	ecore_dma_addr_t data_mapping = o->rdata_mapping;
5222 	struct ecore_func_tx_start_params *tx_start_params =
5223 	    &params->params.tx_start;
5224 	uint32_t i;
5225 
5226 	ECORE_MEMSET(rdata, 0, sizeof(*rdata));
5227 
5228 	rdata->dcb_enabled = tx_start_params->dcb_enabled;
5229 	rdata->dcb_version = tx_start_params->dcb_version;
5230 	rdata->dont_add_pri_0 = tx_start_params->dont_add_pri_0;
5231 
5232 	for (i = 0; i < ARRAY_SIZE(rdata->traffic_type_to_priority_cos); i++)
5233 		rdata->traffic_type_to_priority_cos[i] =
5234 		    tx_start_params->traffic_type_to_priority_cos[i];
5235 
5236 	return ecore_sp_post(sc, RAMROD_CMD_ID_COMMON_START_TRAFFIC, 0,
5237 			     data_mapping, NONE_CONNECTION_TYPE);
5238 }
5239 
5240 static int ecore_func_send_cmd(struct bnx2x_softc *sc,
5241 			       struct ecore_func_state_params *params)
5242 {
5243 	switch (params->cmd) {
5244 	case ECORE_F_CMD_HW_INIT:
5245 		return ecore_func_hw_init(sc, params);
5246 	case ECORE_F_CMD_START:
5247 		return ecore_func_send_start(sc, params);
5248 	case ECORE_F_CMD_STOP:
5249 		return ecore_func_send_stop(sc, params);
5250 	case ECORE_F_CMD_HW_RESET:
5251 		return ecore_func_hw_reset(sc, params);
5252 	case ECORE_F_CMD_AFEX_UPDATE:
5253 		return ecore_func_send_afex_update(sc, params);
5254 	case ECORE_F_CMD_AFEX_VIFLISTS:
5255 		return ecore_func_send_afex_viflists(sc, params);
5256 	case ECORE_F_CMD_TX_STOP:
5257 		return ecore_func_send_tx_stop(sc, params);
5258 	case ECORE_F_CMD_TX_START:
5259 		return ecore_func_send_tx_start(sc, params);
5260 	case ECORE_F_CMD_SWITCH_UPDATE:
5261 		return ecore_func_send_switch_update(sc, params);
5262 	default:
5263 		PMD_DRV_LOG(ERR, sc, "Unknown command: %d", params->cmd);
5264 		return ECORE_INVAL;
5265 	}
5266 }
5267 
5268 void ecore_init_func_obj(__rte_unused struct bnx2x_softc *sc,
5269 			 struct ecore_func_sp_obj *obj,
5270 			 void *rdata, ecore_dma_addr_t rdata_mapping,
5271 			 void *afex_rdata, ecore_dma_addr_t afex_rdata_mapping,
5272 			 struct ecore_func_sp_drv_ops *drv_iface)
5273 {
5274 	ECORE_MEMSET(obj, 0, sizeof(*obj));
5275 
5276 	ECORE_MUTEX_INIT(&obj->one_pending_mutex);
5277 
5278 	obj->rdata = rdata;
5279 	obj->rdata_mapping = rdata_mapping;
5280 	obj->afex_rdata = afex_rdata;
5281 	obj->afex_rdata_mapping = afex_rdata_mapping;
5282 	obj->send_cmd = ecore_func_send_cmd;
5283 	obj->check_transition = ecore_func_chk_transition;
5284 	obj->complete_cmd = ecore_func_comp_cmd;
5285 	obj->wait_comp = ecore_func_wait_comp;
5286 	obj->drv = drv_iface;
5287 }
5288 
5289 /**
5290  * ecore_func_state_change - perform Function state change transition
5291  *
5292  * @sc:		device handle
5293  * @params:	parameters to perform the transaction
5294  *
5295  * returns 0 in case of successfully completed transition,
5296  *         negative error code in case of failure, positive
5297  *         (EBUSY) value if there is a completion to that is
5298  *         still pending (possible only if RAMROD_COMP_WAIT is
5299  *         not set in params->ramrod_flags for asynchronous
5300  *         commands).
5301  */
5302 int ecore_func_state_change(struct bnx2x_softc *sc,
5303 			    struct ecore_func_state_params *params)
5304 {
5305 	struct ecore_func_sp_obj *o = params->f_obj;
5306 	int rc, cnt = 300;
5307 	enum ecore_func_cmd cmd = params->cmd;
5308 	unsigned long *pending = &o->pending;
5309 
5310 	ECORE_MUTEX_LOCK(&o->one_pending_mutex);
5311 
5312 	/* Check that the requested transition is legal */
5313 	rc = o->check_transition(sc, o, params);
5314 	if ((rc == ECORE_BUSY) &&
5315 	    (ECORE_TEST_BIT(RAMROD_RETRY, &params->ramrod_flags))) {
5316 		while ((rc == ECORE_BUSY) && (--cnt > 0)) {
5317 			ECORE_MUTEX_UNLOCK(&o->one_pending_mutex);
5318 			ECORE_MSLEEP(10);
5319 			ECORE_MUTEX_LOCK(&o->one_pending_mutex);
5320 			rc = o->check_transition(sc, o, params);
5321 		}
5322 		if (rc == ECORE_BUSY) {
5323 			ECORE_MUTEX_UNLOCK(&o->one_pending_mutex);
5324 			PMD_DRV_LOG(ERR, sc,
5325 				    "timeout waiting for previous ramrod completion");
5326 			return rc;
5327 		}
5328 	} else if (rc) {
5329 		ECORE_MUTEX_UNLOCK(&o->one_pending_mutex);
5330 		return rc;
5331 	}
5332 
5333 	/* Set "pending" bit */
5334 	ECORE_SET_BIT(cmd, pending);
5335 
5336 	/* Don't send a command if only driver cleanup was requested */
5337 	if (ECORE_TEST_BIT(RAMROD_DRV_CLR_ONLY, &params->ramrod_flags)) {
5338 		ecore_func_state_change_comp(sc, o, cmd);
5339 		ECORE_MUTEX_UNLOCK(&o->one_pending_mutex);
5340 	} else {
5341 		/* Send a ramrod */
5342 		rc = o->send_cmd(sc, params);
5343 
5344 		ECORE_MUTEX_UNLOCK(&o->one_pending_mutex);
5345 
5346 		if (rc) {
5347 			o->next_state = ECORE_F_STATE_MAX;
5348 			ECORE_CLEAR_BIT(cmd, pending);
5349 			ECORE_SMP_MB_AFTER_CLEAR_BIT();
5350 			return rc;
5351 		}
5352 
5353 		if (ECORE_TEST_BIT(RAMROD_COMP_WAIT, &params->ramrod_flags)) {
5354 			rc = o->wait_comp(sc, o, cmd);
5355 			if (rc)
5356 				return rc;
5357 
5358 			return ECORE_SUCCESS;
5359 		}
5360 	}
5361 
5362 	return ECORE_RET_PENDING(cmd, pending);
5363 }
5364 
5365 /******************************************************************************
5366  * Description:
5367  *	   Calculates crc 8 on a word value: polynomial 0-1-2-8
5368  *	   Code was translated from Verilog.
5369  * Return:
5370  *****************************************************************************/
5371 uint8_t ecore_calc_crc8(uint32_t data, uint8_t crc)
5372 {
5373 	uint8_t D[32];
5374 	uint8_t NewCRC[8];
5375 	uint8_t C[8];
5376 	uint8_t crc_res;
5377 	uint8_t i;
5378 
5379 	/* split the data into 31 bits */
5380 	for (i = 0; i < 32; i++) {
5381 		D[i] = (uint8_t) (data & 1);
5382 		data = data >> 1;
5383 	}
5384 
5385 	/* split the crc into 8 bits */
5386 	for (i = 0; i < 8; i++) {
5387 		C[i] = crc & 1;
5388 		crc = crc >> 1;
5389 	}
5390 
5391 	NewCRC[0] = D[31] ^ D[30] ^ D[28] ^ D[23] ^ D[21] ^ D[19] ^ D[18] ^
5392 	    D[16] ^ D[14] ^ D[12] ^ D[8] ^ D[7] ^ D[6] ^ D[0] ^ C[4] ^
5393 	    C[6] ^ C[7];
5394 	NewCRC[1] = D[30] ^ D[29] ^ D[28] ^ D[24] ^ D[23] ^ D[22] ^ D[21] ^
5395 	    D[20] ^ D[18] ^ D[17] ^ D[16] ^ D[15] ^ D[14] ^ D[13] ^
5396 	    D[12] ^ D[9] ^ D[6] ^ D[1] ^ D[0] ^ C[0] ^ C[4] ^ C[5] ^ C[6];
5397 	NewCRC[2] = D[29] ^ D[28] ^ D[25] ^ D[24] ^ D[22] ^ D[17] ^ D[15] ^
5398 	    D[13] ^ D[12] ^ D[10] ^ D[8] ^ D[6] ^ D[2] ^ D[1] ^ D[0] ^
5399 	    C[0] ^ C[1] ^ C[4] ^ C[5];
5400 	NewCRC[3] = D[30] ^ D[29] ^ D[26] ^ D[25] ^ D[23] ^ D[18] ^ D[16] ^
5401 	    D[14] ^ D[13] ^ D[11] ^ D[9] ^ D[7] ^ D[3] ^ D[2] ^ D[1] ^
5402 	    C[1] ^ C[2] ^ C[5] ^ C[6];
5403 	NewCRC[4] = D[31] ^ D[30] ^ D[27] ^ D[26] ^ D[24] ^ D[19] ^ D[17] ^
5404 	    D[15] ^ D[14] ^ D[12] ^ D[10] ^ D[8] ^ D[4] ^ D[3] ^ D[2] ^
5405 	    C[0] ^ C[2] ^ C[3] ^ C[6] ^ C[7];
5406 	NewCRC[5] = D[31] ^ D[28] ^ D[27] ^ D[25] ^ D[20] ^ D[18] ^ D[16] ^
5407 	    D[15] ^ D[13] ^ D[11] ^ D[9] ^ D[5] ^ D[4] ^ D[3] ^ C[1] ^
5408 	    C[3] ^ C[4] ^ C[7];
5409 	NewCRC[6] = D[29] ^ D[28] ^ D[26] ^ D[21] ^ D[19] ^ D[17] ^ D[16] ^
5410 	    D[14] ^ D[12] ^ D[10] ^ D[6] ^ D[5] ^ D[4] ^ C[2] ^ C[4] ^ C[5];
5411 	NewCRC[7] = D[30] ^ D[29] ^ D[27] ^ D[22] ^ D[20] ^ D[18] ^ D[17] ^
5412 	    D[15] ^ D[13] ^ D[11] ^ D[7] ^ D[6] ^ D[5] ^ C[3] ^ C[5] ^ C[6];
5413 
5414 	crc_res = 0;
5415 	for (i = 0; i < 8; i++) {
5416 		crc_res |= (NewCRC[i] << i);
5417 	}
5418 
5419 	return crc_res;
5420 }
5421 
5422 uint32_t
5423 ecore_calc_crc32(uint32_t crc, uint8_t const *p, uint32_t len, uint32_t magic)
5424 {
5425 	int i;
5426 	while (len--) {
5427 		crc ^= *p++;
5428 		for (i = 0; i < 8; i++)
5429 			crc = (crc >> 1) ^ ((crc & 1) ? magic : 0);
5430 	}
5431 	return crc;
5432 }
5433