ecore_sp.c revision 255736
1/*-
2 * Copyright (c) 2007-2013 Broadcom Corporation. All rights reserved.
3 *
4 * Eric Davis        <edavis@broadcom.com>
5 * David Christensen <davidch@broadcom.com>
6 * Gary Zambrano     <zambrano@broadcom.com>
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of Broadcom Corporation nor the name of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written consent.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS'
22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
31 * THE POSSIBILITY OF SUCH DAMAGE.
32 */
33
34#include <sys/cdefs.h>
35__FBSDID("$FreeBSD: head/sys/dev/bxe/ecore_sp.c 255736 2013-09-20 20:18:49Z davidch $");
36
37#include "bxe.h"
38#include "ecore_init.h"
39
40/**** Exe Queue interfaces ****/
41
42/**
43 * ecore_exe_queue_init - init the Exe Queue object
44 *
45 * @o:		pointer to the object
46 * @exe_len:	length
47 * @owner:	pointer to the owner
48 * @validate:	validate function pointer
49 * @optimize:	optimize function pointer
50 * @exec:	execute function pointer
51 * @get:	get function pointer
52 */
53static inline void ecore_exe_queue_init(struct bxe_softc *sc,
54					struct ecore_exe_queue_obj *o,
55					int exe_len,
56					union ecore_qable_obj *owner,
57					exe_q_validate validate,
58					exe_q_remove remove,
59					exe_q_optimize optimize,
60					exe_q_execute exec,
61					exe_q_get get)
62{
63	ECORE_MEMSET(o, 0, sizeof(*o));
64
65	ECORE_LIST_INIT(&o->exe_queue);
66	ECORE_LIST_INIT(&o->pending_comp);
67
68	ECORE_SPIN_LOCK_INIT(&o->lock, sc);
69
70	o->exe_chunk_len = exe_len;
71	o->owner         = owner;
72
73	/* Owner specific callbacks */
74	o->validate      = validate;
75	o->remove        = remove;
76	o->optimize      = optimize;
77	o->execute       = exec;
78	o->get           = get;
79
80	ECORE_MSG(sc, "Setup the execution queue with the chunk length of %d\n",
81		  exe_len);
82}
83
84static inline void ecore_exe_queue_free_elem(struct bxe_softc *sc,
85					     struct ecore_exeq_elem *elem)
86{
87	ECORE_MSG(sc, "Deleting an exe_queue element\n");
88	ECORE_FREE(sc, elem, sizeof(*elem));
89}
90
91static inline int ecore_exe_queue_length(struct ecore_exe_queue_obj *o)
92{
93	struct ecore_exeq_elem *elem;
94	int cnt = 0;
95
96	ECORE_SPIN_LOCK_BH(&o->lock);
97
98	ECORE_LIST_FOR_EACH_ENTRY(elem, &o->exe_queue, link,
99				  struct ecore_exeq_elem)
100		cnt++;
101
102	ECORE_SPIN_UNLOCK_BH(&o->lock);
103
104	return cnt;
105}
106
107/**
108 * ecore_exe_queue_add - add a new element to the execution queue
109 *
110 * @sc:		driver handle
111 * @o:		queue
112 * @cmd:	new command to add
113 * @restore:	true - do not optimize the command
114 *
115 * If the element is optimized or is illegal, frees it.
116 */
117static inline int ecore_exe_queue_add(struct bxe_softc *sc,
118				      struct ecore_exe_queue_obj *o,
119				      struct ecore_exeq_elem *elem,
120				      bool restore)
121{
122	int rc;
123
124	ECORE_SPIN_LOCK_BH(&o->lock);
125
126	if (!restore) {
127		/* Try to cancel this element queue */
128		rc = o->optimize(sc, o->owner, elem);
129		if (rc)
130			goto free_and_exit;
131
132		/* Check if this request is ok */
133		rc = o->validate(sc, o->owner, elem);
134		if (rc) {
135			ECORE_MSG(sc, "Preamble failed: %d\n", rc);
136			goto free_and_exit;
137		}
138	}
139
140	/* If so, add it to the execution queue */
141	ECORE_LIST_PUSH_TAIL(&elem->link, &o->exe_queue);
142
143	ECORE_SPIN_UNLOCK_BH(&o->lock);
144
145	return ECORE_SUCCESS;
146
147free_and_exit:
148	ecore_exe_queue_free_elem(sc, elem);
149
150	ECORE_SPIN_UNLOCK_BH(&o->lock);
151
152	return rc;
153}
154
155static inline void __ecore_exe_queue_reset_pending(
156	struct bxe_softc *sc,
157	struct ecore_exe_queue_obj *o)
158{
159	struct ecore_exeq_elem *elem;
160
161	while (!ECORE_LIST_IS_EMPTY(&o->pending_comp)) {
162		elem = ECORE_LIST_FIRST_ENTRY(&o->pending_comp,
163					      struct ecore_exeq_elem,
164					      link);
165
166		ECORE_LIST_REMOVE_ENTRY(&elem->link, &o->pending_comp);
167		ecore_exe_queue_free_elem(sc, elem);
168	}
169}
170
171static inline void ecore_exe_queue_reset_pending(struct bxe_softc *sc,
172						 struct ecore_exe_queue_obj *o)
173{
174	ECORE_SPIN_LOCK_BH(&o->lock);
175
176	__ecore_exe_queue_reset_pending(sc, o);
177
178	ECORE_SPIN_UNLOCK_BH(&o->lock);
179}
180
181/**
182 * ecore_exe_queue_step - execute one execution chunk atomically
183 *
184 * @sc:			driver handle
185 * @o:			queue
186 * @ramrod_flags:	flags
187 *
188 * (Should be called while holding the exe_queue->lock).
189 */
190static inline int ecore_exe_queue_step(struct bxe_softc *sc,
191				       struct ecore_vlan_mac_obj *vobj,
192				       struct ecore_exe_queue_obj *o,
193				       unsigned long *ramrod_flags)
194{
195	struct ecore_exeq_elem *elem, spacer;
196	int cur_len = 0, rc;
197
198	ECORE_MEMSET(&spacer, 0, sizeof(spacer));
199
200	/* Next step should not be performed until the current is finished,
201	 * unless a DRV_CLEAR_ONLY bit is set. In this case we just want to
202	 * properly clear object internals without sending any command to the FW
203	 * which also implies there won't be any completion to clear the
204	 * 'pending' list.
205	 */
206	if (!ECORE_LIST_IS_EMPTY(&o->pending_comp)) {
207		if (ECORE_TEST_BIT(RAMROD_DRV_CLR_ONLY, ramrod_flags)) {
208			ECORE_MSG(sc, "RAMROD_DRV_CLR_ONLY requested: resetting a pending_comp list\n");
209			__ecore_exe_queue_reset_pending(sc, o);
210		} else {
211			return ECORE_PENDING;
212		}
213	}
214
215	/* Run through the pending commands list and create a next
216	 * execution chunk.
217	 */
218	while (!ECORE_LIST_IS_EMPTY(&o->exe_queue)) {
219		elem = ECORE_LIST_FIRST_ENTRY(&o->exe_queue,
220					      struct ecore_exeq_elem,
221					      link);
222		ECORE_DBG_BREAK_IF(!elem->cmd_len);
223
224		if (cur_len + elem->cmd_len <= o->exe_chunk_len) {
225			cur_len += elem->cmd_len;
226			/* Prevent from both lists being empty when moving an
227			 * element. This will allow the call of
228			 * ecore_exe_queue_empty() without locking.
229			 */
230			ECORE_LIST_PUSH_TAIL(&spacer.link, &o->pending_comp);
231			mb();
232			ECORE_LIST_REMOVE_ENTRY(&elem->link, &o->exe_queue);
233			ECORE_LIST_PUSH_TAIL(&elem->link, &o->pending_comp);
234			ECORE_LIST_REMOVE_ENTRY(&spacer.link, &o->pending_comp);
235		} else
236			break;
237	}
238
239	/* Sanity check */
240	if (!cur_len)
241		return ECORE_SUCCESS;
242
243	rc = o->execute(sc, o->owner, &o->pending_comp, ramrod_flags);
244	if (rc < 0)
245		/* In case of an error return the commands back to the queue
246		 *  and reset the pending_comp.
247		 */
248		ECORE_LIST_SPLICE_INIT(&o->pending_comp, &o->exe_queue);
249	else if (!rc)
250		/* If zero is returned, means there are no outstanding pending
251		 * completions and we may dismiss the pending list.
252		 */
253		__ecore_exe_queue_reset_pending(sc, o);
254
255	return rc;
256}
257
258static inline bool ecore_exe_queue_empty(struct ecore_exe_queue_obj *o)
259{
260	bool empty = ECORE_LIST_IS_EMPTY(&o->exe_queue);
261
262	/* Don't reorder!!! */
263	mb();
264
265	return empty && ECORE_LIST_IS_EMPTY(&o->pending_comp);
266}
267
268static inline struct ecore_exeq_elem *ecore_exe_queue_alloc_elem(
269	struct bxe_softc *sc)
270{
271	ECORE_MSG(sc, "Allocating a new exe_queue element\n");
272	return ECORE_ZALLOC(sizeof(struct ecore_exeq_elem), GFP_ATOMIC,
273			    sc);
274}
275
276/************************ raw_obj functions ***********************************/
277static bool ecore_raw_check_pending(struct ecore_raw_obj *o)
278{
279	/*
280     * !! converts the value returned by ECORE_TEST_BIT such that it
281     * is guaranteed not to be truncated regardless of bool definition.
282	 *
283	 * Note we cannot simply define the function's return value type
284     * to match the type returned by ECORE_TEST_BIT, as it varies by
285     * platform/implementation.
286	 */
287
288	return !!ECORE_TEST_BIT(o->state, o->pstate);
289}
290
291static void ecore_raw_clear_pending(struct ecore_raw_obj *o)
292{
293	ECORE_SMP_MB_BEFORE_CLEAR_BIT();
294	ECORE_CLEAR_BIT(o->state, o->pstate);
295	ECORE_SMP_MB_AFTER_CLEAR_BIT();
296}
297
298static void ecore_raw_set_pending(struct ecore_raw_obj *o)
299{
300	ECORE_SMP_MB_BEFORE_CLEAR_BIT();
301	ECORE_SET_BIT(o->state, o->pstate);
302	ECORE_SMP_MB_AFTER_CLEAR_BIT();
303}
304
305/**
306 * ecore_state_wait - wait until the given bit(state) is cleared
307 *
308 * @sc:		device handle
309 * @state:	state which is to be cleared
310 * @state_p:	state buffer
311 *
312 */
313static inline int ecore_state_wait(struct bxe_softc *sc, int state,
314				   unsigned long *pstate)
315{
316	/* can take a while if any port is running */
317	int cnt = 5000;
318
319
320	if (CHIP_REV_IS_EMUL(sc))
321		cnt *= 20;
322
323	ECORE_MSG(sc, "waiting for state to become %d\n", state);
324
325	ECORE_MIGHT_SLEEP();
326	while (cnt--) {
327		if (!ECORE_TEST_BIT(state, pstate)) {
328#ifdef ECORE_STOP_ON_ERROR
329			ECORE_MSG(sc, "exit  (cnt %d)\n", 5000 - cnt);
330#endif
331			return ECORE_SUCCESS;
332		}
333
334		ECORE_WAIT(sc, delay_us);
335
336		if (sc->panic)
337			return ECORE_IO;
338	}
339
340	/* timeout! */
341	ECORE_ERR("timeout waiting for state %d\n", state);
342#ifdef ECORE_STOP_ON_ERROR
343	ecore_panic();
344#endif
345
346	return ECORE_TIMEOUT;
347}
348
349static int ecore_raw_wait(struct bxe_softc *sc, struct ecore_raw_obj *raw)
350{
351	return ecore_state_wait(sc, raw->state, raw->pstate);
352}
353
354/***************** Classification verbs: Set/Del MAC/VLAN/VLAN-MAC ************/
355/* credit handling callbacks */
356static bool ecore_get_cam_offset_mac(struct ecore_vlan_mac_obj *o, int *offset)
357{
358	struct ecore_credit_pool_obj *mp = o->macs_pool;
359
360	ECORE_DBG_BREAK_IF(!mp);
361
362	return mp->get_entry(mp, offset);
363}
364
365static bool ecore_get_credit_mac(struct ecore_vlan_mac_obj *o)
366{
367	struct ecore_credit_pool_obj *mp = o->macs_pool;
368
369	ECORE_DBG_BREAK_IF(!mp);
370
371	return mp->get(mp, 1);
372}
373
374static bool ecore_get_cam_offset_vlan(struct ecore_vlan_mac_obj *o, int *offset)
375{
376	struct ecore_credit_pool_obj *vp = o->vlans_pool;
377
378	ECORE_DBG_BREAK_IF(!vp);
379
380	return vp->get_entry(vp, offset);
381}
382
383static bool ecore_get_credit_vlan(struct ecore_vlan_mac_obj *o)
384{
385	struct ecore_credit_pool_obj *vp = o->vlans_pool;
386
387	ECORE_DBG_BREAK_IF(!vp);
388
389	return vp->get(vp, 1);
390}
391
392static bool ecore_get_credit_vlan_mac(struct ecore_vlan_mac_obj *o)
393{
394	struct ecore_credit_pool_obj *mp = o->macs_pool;
395	struct ecore_credit_pool_obj *vp = o->vlans_pool;
396
397	if (!mp->get(mp, 1))
398		return FALSE;
399
400	if (!vp->get(vp, 1)) {
401		mp->put(mp, 1);
402		return FALSE;
403	}
404
405	return TRUE;
406}
407
408static bool ecore_put_cam_offset_mac(struct ecore_vlan_mac_obj *o, int offset)
409{
410	struct ecore_credit_pool_obj *mp = o->macs_pool;
411
412	return mp->put_entry(mp, offset);
413}
414
415static bool ecore_put_credit_mac(struct ecore_vlan_mac_obj *o)
416{
417	struct ecore_credit_pool_obj *mp = o->macs_pool;
418
419	return mp->put(mp, 1);
420}
421
422static bool ecore_put_cam_offset_vlan(struct ecore_vlan_mac_obj *o, int offset)
423{
424	struct ecore_credit_pool_obj *vp = o->vlans_pool;
425
426	return vp->put_entry(vp, offset);
427}
428
429static bool ecore_put_credit_vlan(struct ecore_vlan_mac_obj *o)
430{
431	struct ecore_credit_pool_obj *vp = o->vlans_pool;
432
433	return vp->put(vp, 1);
434}
435
436static bool ecore_put_credit_vlan_mac(struct ecore_vlan_mac_obj *o)
437{
438	struct ecore_credit_pool_obj *mp = o->macs_pool;
439	struct ecore_credit_pool_obj *vp = o->vlans_pool;
440
441	if (!mp->put(mp, 1))
442		return FALSE;
443
444	if (!vp->put(vp, 1)) {
445		mp->get(mp, 1);
446		return FALSE;
447	}
448
449	return TRUE;
450}
451
452/**
453 * __ecore_vlan_mac_h_write_trylock - try getting the writer lock on vlan mac
454 * head list.
455 *
456 * @sc:		device handle
457 * @o:		vlan_mac object
458 *
459 * @details: Non-blocking implementation; should be called under execution
460 *           queue lock.
461 */
462static int __ecore_vlan_mac_h_write_trylock(struct bxe_softc *sc,
463					    struct ecore_vlan_mac_obj *o)
464{
465	if (o->head_reader) {
466		ECORE_MSG(sc, "vlan_mac_lock writer - There are readers; Busy\n");
467		return ECORE_BUSY;
468	}
469
470	ECORE_MSG(sc, "vlan_mac_lock writer - Taken\n");
471	return ECORE_SUCCESS;
472}
473
474/**
475 * __ecore_vlan_mac_h_exec_pending - execute step instead of a previous step
476 * which wasn't able to run due to a taken lock on vlan mac head list.
477 *
478 * @sc:		device handle
479 * @o:		vlan_mac object
480 *
481 * @details Should be called under execution queue lock; notice it might release
482 *          and reclaim it during its run.
483 */
484static void __ecore_vlan_mac_h_exec_pending(struct bxe_softc *sc,
485					    struct ecore_vlan_mac_obj *o)
486{
487	int rc;
488	unsigned long ramrod_flags = o->saved_ramrod_flags;
489
490	ECORE_MSG(sc, "vlan_mac_lock execute pending command with ramrod flags %lu\n",
491		  ramrod_flags);
492	o->head_exe_request = FALSE;
493	o->saved_ramrod_flags = 0;
494	rc = ecore_exe_queue_step(sc, o, &o->exe_queue, &ramrod_flags);
495	if (rc != ECORE_SUCCESS) {
496		ECORE_ERR("execution of pending commands failed with rc %d\n",
497			  rc);
498#ifdef ECORE_STOP_ON_ERROR
499		ecore_panic();
500#endif
501	}
502}
503
504/**
505 * __ecore_vlan_mac_h_pend - Pend an execution step which couldn't have been
506 * called due to vlan mac head list lock being taken.
507 *
508 * @sc:			device handle
509 * @o:			vlan_mac object
510 * @ramrod_flags:	ramrod flags of missed execution
511 *
512 * @details Should be called under execution queue lock.
513 */
514static void __ecore_vlan_mac_h_pend(struct bxe_softc *sc,
515				    struct ecore_vlan_mac_obj *o,
516				    unsigned long ramrod_flags)
517{
518	o->head_exe_request = TRUE;
519	o->saved_ramrod_flags = ramrod_flags;
520	ECORE_MSG(sc, "Placing pending execution with ramrod flags %lu\n",
521		  ramrod_flags);
522}
523
524/**
525 * __ecore_vlan_mac_h_write_unlock - unlock the vlan mac head list writer lock
526 *
527 * @sc:			device handle
528 * @o:			vlan_mac object
529 *
530 * @details Should be called under execution queue lock. Notice if a pending
531 *          execution exists, it would perform it - possibly releasing and
532 *          reclaiming the execution queue lock.
533 */
534static void __ecore_vlan_mac_h_write_unlock(struct bxe_softc *sc,
535					    struct ecore_vlan_mac_obj *o)
536{
537	/* It's possible a new pending execution was added since this writer
538	 * executed. If so, execute again. [Ad infinitum]
539	 */
540	while(o->head_exe_request) {
541		ECORE_MSG(sc, "vlan_mac_lock - writer release encountered a pending request\n");
542		__ecore_vlan_mac_h_exec_pending(sc, o);
543	}
544}
545
546/**
547 * ecore_vlan_mac_h_write_unlock - unlock the vlan mac head list writer lock
548 *
549 * @sc:			device handle
550 * @o:			vlan_mac object
551 *
552 * @details Notice if a pending execution exists, it would perform it -
553 *          possibly releasing and reclaiming the execution queue lock.
554 */
555void ecore_vlan_mac_h_write_unlock(struct bxe_softc *sc,
556				   struct ecore_vlan_mac_obj *o)
557{
558	ECORE_SPIN_LOCK_BH(&o->exe_queue.lock);
559	__ecore_vlan_mac_h_write_unlock(sc, o);
560	ECORE_SPIN_UNLOCK_BH(&o->exe_queue.lock);
561}
562
563/**
564 * __ecore_vlan_mac_h_read_lock - lock the vlan mac head list reader lock
565 *
566 * @sc:			device handle
567 * @o:			vlan_mac object
568 *
569 * @details Should be called under the execution queue lock. May sleep. May
570 *          release and reclaim execution queue lock during its run.
571 */
572static int __ecore_vlan_mac_h_read_lock(struct bxe_softc *sc,
573					struct ecore_vlan_mac_obj *o)
574{
575	/* If we got here, we're holding lock --> no WRITER exists */
576	o->head_reader++;
577	ECORE_MSG(sc, "vlan_mac_lock - locked reader - number %d\n",
578		  o->head_reader);
579
580	return ECORE_SUCCESS;
581}
582
583/**
584 * ecore_vlan_mac_h_read_lock - lock the vlan mac head list reader lock
585 *
586 * @sc:			device handle
587 * @o:			vlan_mac object
588 *
589 * @details May sleep. Claims and releases execution queue lock during its run.
590 */
591int ecore_vlan_mac_h_read_lock(struct bxe_softc *sc,
592			       struct ecore_vlan_mac_obj *o)
593{
594	int rc;
595
596	ECORE_SPIN_LOCK_BH(&o->exe_queue.lock);
597	rc = __ecore_vlan_mac_h_read_lock(sc, o);
598	ECORE_SPIN_UNLOCK_BH(&o->exe_queue.lock);
599
600	return rc;
601}
602
603/**
604 * __ecore_vlan_mac_h_read_unlock - unlock the vlan mac head list reader lock
605 *
606 * @sc:			device handle
607 * @o:			vlan_mac object
608 *
609 * @details Should be called under execution queue lock. Notice if a pending
610 *          execution exists, it would be performed if this was the last
611 *          reader. possibly releasing and reclaiming the execution queue lock.
612 */
613static void __ecore_vlan_mac_h_read_unlock(struct bxe_softc *sc,
614					  struct ecore_vlan_mac_obj *o)
615{
616	if (!o->head_reader) {
617		ECORE_ERR("Need to release vlan mac reader lock, but lock isn't taken\n");
618#ifdef ECORE_STOP_ON_ERROR
619		ecore_panic();
620#endif
621	} else {
622		o->head_reader--;
623		ECORE_MSG(sc, "vlan_mac_lock - decreased readers to %d\n",
624			  o->head_reader);
625	}
626
627	/* It's possible a new pending execution was added, and that this reader
628	 * was last - if so we need to execute the command.
629	 */
630	if (!o->head_reader && o->head_exe_request) {
631		ECORE_MSG(sc, "vlan_mac_lock - reader release encountered a pending request\n");
632
633		/* Writer release will do the trick */
634		__ecore_vlan_mac_h_write_unlock(sc, o);
635	}
636}
637
638/**
639 * ecore_vlan_mac_h_read_unlock - unlock the vlan mac head list reader lock
640 *
641 * @sc:			device handle
642 * @o:			vlan_mac object
643 *
644 * @details Notice if a pending execution exists, it would be performed if this
645 *          was the last reader. Claims and releases the execution queue lock
646 *          during its run.
647 */
648void ecore_vlan_mac_h_read_unlock(struct bxe_softc *sc,
649				  struct ecore_vlan_mac_obj *o)
650{
651	ECORE_SPIN_LOCK_BH(&o->exe_queue.lock);
652	__ecore_vlan_mac_h_read_unlock(sc, o);
653	ECORE_SPIN_UNLOCK_BH(&o->exe_queue.lock);
654}
655
656/**
657 * ecore_vlan_mac_h_read_unlock - unlock the vlan mac head list reader lock
658 *
659 * @sc:			device handle
660 * @o:			vlan_mac object
661 * @n:			number of elements to get
662 * @base:		base address for element placement
663 * @stride:		stride between elements (in bytes)
664 */
665static int ecore_get_n_elements(struct bxe_softc *sc, struct ecore_vlan_mac_obj *o,
666				 int n, uint8_t *base, uint8_t stride, uint8_t size)
667{
668	struct ecore_vlan_mac_registry_elem *pos;
669	uint8_t *next = base;
670	int counter = 0, read_lock;
671
672	ECORE_MSG(sc, "get_n_elements - taking vlan_mac_lock (reader)\n");
673	read_lock = ecore_vlan_mac_h_read_lock(sc, o);
674	if (read_lock != ECORE_SUCCESS)
675		ECORE_ERR("get_n_elements failed to get vlan mac reader lock; Access without lock\n");
676
677	/* traverse list */
678	ECORE_LIST_FOR_EACH_ENTRY(pos, &o->head, link,
679				  struct ecore_vlan_mac_registry_elem) {
680		if (counter < n) {
681			ECORE_MEMCPY(next, &pos->u, size);
682			counter++;
683			ECORE_MSG(sc, "copied element number %d to address %p element was:",
684				  counter, next);
685			next += stride + size;
686		}
687	}
688
689	if (read_lock == ECORE_SUCCESS) {
690		ECORE_MSG(sc, "get_n_elements - releasing vlan_mac_lock (reader)\n");
691		ecore_vlan_mac_h_read_unlock(sc, o);
692	}
693
694	return counter * ETH_ALEN;
695}
696
697/* check_add() callbacks */
698static int ecore_check_mac_add(struct bxe_softc *sc,
699			       struct ecore_vlan_mac_obj *o,
700			       union ecore_classification_ramrod_data *data)
701{
702	struct ecore_vlan_mac_registry_elem *pos;
703
704	ECORE_MSG(sc, "Checking MAC %02x:%02x:%02x:%02x:%02x:%02x for ADD command\n", data->mac.mac[0], data->mac.mac[1], data->mac.mac[2], data->mac.mac[3], data->mac.mac[4], data->mac.mac[5]);
705
706	if (!ECORE_IS_VALID_ETHER_ADDR(data->mac.mac))
707		return ECORE_INVAL;
708
709	/* Check if a requested MAC already exists */
710	ECORE_LIST_FOR_EACH_ENTRY(pos, &o->head, link,
711				  struct ecore_vlan_mac_registry_elem)
712		if (!ECORE_MEMCMP(data->mac.mac, pos->u.mac.mac, ETH_ALEN) &&
713		    (data->mac.is_inner_mac == pos->u.mac.is_inner_mac))
714			return ECORE_EXISTS;
715
716	return ECORE_SUCCESS;
717}
718
719static int ecore_check_vlan_add(struct bxe_softc *sc,
720				struct ecore_vlan_mac_obj *o,
721				union ecore_classification_ramrod_data *data)
722{
723	struct ecore_vlan_mac_registry_elem *pos;
724
725	ECORE_MSG(sc, "Checking VLAN %d for ADD command\n", data->vlan.vlan);
726
727	ECORE_LIST_FOR_EACH_ENTRY(pos, &o->head, link,
728				  struct ecore_vlan_mac_registry_elem)
729		if (data->vlan.vlan == pos->u.vlan.vlan)
730			return ECORE_EXISTS;
731
732	return ECORE_SUCCESS;
733}
734
735static int ecore_check_vlan_mac_add(struct bxe_softc *sc,
736				    struct ecore_vlan_mac_obj *o,
737				   union ecore_classification_ramrod_data *data)
738{
739	struct ecore_vlan_mac_registry_elem *pos;
740
741	ECORE_MSG(sc, "Checking VLAN_MAC (%02x:%02x:%02x:%02x:%02x:%02x, %d) for ADD command\n",
742		  data->vlan_mac.mac[0], data->vlan_mac.mac[1], data->vlan_mac.mac[2], data->vlan_mac.mac[3], data->vlan_mac.mac[4], data->vlan_mac.mac[5], data->vlan_mac.vlan);
743
744	ECORE_LIST_FOR_EACH_ENTRY(pos, &o->head, link,
745				  struct ecore_vlan_mac_registry_elem)
746		if ((data->vlan_mac.vlan == pos->u.vlan_mac.vlan) &&
747		    (!ECORE_MEMCMP(data->vlan_mac.mac, pos->u.vlan_mac.mac,
748				  ETH_ALEN)) &&
749		    (data->vlan_mac.is_inner_mac ==
750		     pos->u.vlan_mac.is_inner_mac))
751			return ECORE_EXISTS;
752
753	return ECORE_SUCCESS;
754}
755
756/* check_del() callbacks */
757static struct ecore_vlan_mac_registry_elem *
758	ecore_check_mac_del(struct bxe_softc *sc,
759			    struct ecore_vlan_mac_obj *o,
760			    union ecore_classification_ramrod_data *data)
761{
762	struct ecore_vlan_mac_registry_elem *pos;
763
764	ECORE_MSG(sc, "Checking MAC %02x:%02x:%02x:%02x:%02x:%02x for DEL command\n", data->mac.mac[0], data->mac.mac[1], data->mac.mac[2], data->mac.mac[3], data->mac.mac[4], data->mac.mac[5]);
765
766	ECORE_LIST_FOR_EACH_ENTRY(pos, &o->head, link,
767				  struct ecore_vlan_mac_registry_elem)
768		if ((!ECORE_MEMCMP(data->mac.mac, pos->u.mac.mac, ETH_ALEN)) &&
769		    (data->mac.is_inner_mac == pos->u.mac.is_inner_mac))
770			return pos;
771
772	return NULL;
773}
774
775static struct ecore_vlan_mac_registry_elem *
776	ecore_check_vlan_del(struct bxe_softc *sc,
777			     struct ecore_vlan_mac_obj *o,
778			     union ecore_classification_ramrod_data *data)
779{
780	struct ecore_vlan_mac_registry_elem *pos;
781
782	ECORE_MSG(sc, "Checking VLAN %d for DEL command\n", data->vlan.vlan);
783
784	ECORE_LIST_FOR_EACH_ENTRY(pos, &o->head, link,
785				  struct ecore_vlan_mac_registry_elem)
786		if (data->vlan.vlan == pos->u.vlan.vlan)
787			return pos;
788
789	return NULL;
790}
791
792static struct ecore_vlan_mac_registry_elem *
793	ecore_check_vlan_mac_del(struct bxe_softc *sc,
794				 struct ecore_vlan_mac_obj *o,
795				 union ecore_classification_ramrod_data *data)
796{
797	struct ecore_vlan_mac_registry_elem *pos;
798
799	ECORE_MSG(sc, "Checking VLAN_MAC (%02x:%02x:%02x:%02x:%02x:%02x, %d) for DEL command\n",
800		  data->vlan_mac.mac[0], data->vlan_mac.mac[1], data->vlan_mac.mac[2], data->vlan_mac.mac[3], data->vlan_mac.mac[4], data->vlan_mac.mac[5], data->vlan_mac.vlan);
801
802	ECORE_LIST_FOR_EACH_ENTRY(pos, &o->head, link,
803				  struct ecore_vlan_mac_registry_elem)
804		if ((data->vlan_mac.vlan == pos->u.vlan_mac.vlan) &&
805		    (!ECORE_MEMCMP(data->vlan_mac.mac, pos->u.vlan_mac.mac,
806			     ETH_ALEN)) &&
807		    (data->vlan_mac.is_inner_mac ==
808		     pos->u.vlan_mac.is_inner_mac))
809			return pos;
810
811	return NULL;
812}
813
814/* check_move() callback */
815static bool ecore_check_move(struct bxe_softc *sc,
816			     struct ecore_vlan_mac_obj *src_o,
817			     struct ecore_vlan_mac_obj *dst_o,
818			     union ecore_classification_ramrod_data *data)
819{
820	struct ecore_vlan_mac_registry_elem *pos;
821	int rc;
822
823	/* Check if we can delete the requested configuration from the first
824	 * object.
825	 */
826	pos = src_o->check_del(sc, src_o, data);
827
828	/*  check if configuration can be added */
829	rc = dst_o->check_add(sc, dst_o, data);
830
831	/* If this classification can not be added (is already set)
832	 * or can't be deleted - return an error.
833	 */
834	if (rc || !pos)
835		return FALSE;
836
837	return TRUE;
838}
839
840static bool ecore_check_move_always_err(
841	struct bxe_softc *sc,
842	struct ecore_vlan_mac_obj *src_o,
843	struct ecore_vlan_mac_obj *dst_o,
844	union ecore_classification_ramrod_data *data)
845{
846	return FALSE;
847}
848
849static inline uint8_t ecore_vlan_mac_get_rx_tx_flag(struct ecore_vlan_mac_obj *o)
850{
851	struct ecore_raw_obj *raw = &o->raw;
852	uint8_t rx_tx_flag = 0;
853
854	if ((raw->obj_type == ECORE_OBJ_TYPE_TX) ||
855	    (raw->obj_type == ECORE_OBJ_TYPE_RX_TX))
856		rx_tx_flag |= ETH_CLASSIFY_CMD_HEADER_TX_CMD;
857
858	if ((raw->obj_type == ECORE_OBJ_TYPE_RX) ||
859	    (raw->obj_type == ECORE_OBJ_TYPE_RX_TX))
860		rx_tx_flag |= ETH_CLASSIFY_CMD_HEADER_RX_CMD;
861
862	return rx_tx_flag;
863}
864
865void ecore_set_mac_in_nig(struct bxe_softc *sc,
866			  bool add, unsigned char *dev_addr, int index)
867{
868	uint32_t wb_data[2];
869	uint32_t reg_offset = ECORE_PORT_ID(sc) ? NIG_REG_LLH1_FUNC_MEM :
870			 NIG_REG_LLH0_FUNC_MEM;
871
872	if (!ECORE_IS_MF_SI_MODE(sc) && !IS_MF_AFEX(sc))
873		return;
874
875	if (index > ECORE_LLH_CAM_MAX_PF_LINE)
876		return;
877
878	ECORE_MSG(sc, "Going to %s LLH configuration at entry %d\n",
879		  (add ? "ADD" : "DELETE"), index);
880
881	if (add) {
882		/* LLH_FUNC_MEM is a uint64_t WB register */
883		reg_offset += 8*index;
884
885		wb_data[0] = ((dev_addr[2] << 24) | (dev_addr[3] << 16) |
886			      (dev_addr[4] <<  8) |  dev_addr[5]);
887		wb_data[1] = ((dev_addr[0] <<  8) |  dev_addr[1]);
888
889		ECORE_REG_WR_DMAE_LEN(sc, reg_offset, wb_data, 2);
890	}
891
892	REG_WR(sc, (ECORE_PORT_ID(sc) ? NIG_REG_LLH1_FUNC_MEM_ENABLE :
893				  NIG_REG_LLH0_FUNC_MEM_ENABLE) + 4*index, add);
894}
895
896/**
897 * ecore_vlan_mac_set_cmd_hdr_e2 - set a header in a single classify ramrod
898 *
899 * @sc:		device handle
900 * @o:		queue for which we want to configure this rule
901 * @add:	if TRUE the command is an ADD command, DEL otherwise
902 * @opcode:	CLASSIFY_RULE_OPCODE_XXX
903 * @hdr:	pointer to a header to setup
904 *
905 */
906static inline void ecore_vlan_mac_set_cmd_hdr_e2(struct bxe_softc *sc,
907	struct ecore_vlan_mac_obj *o, bool add, int opcode,
908	struct eth_classify_cmd_header *hdr)
909{
910	struct ecore_raw_obj *raw = &o->raw;
911
912	hdr->client_id = raw->cl_id;
913	hdr->func_id = raw->func_id;
914
915	/* Rx or/and Tx (internal switching) configuration ? */
916	hdr->cmd_general_data |=
917		ecore_vlan_mac_get_rx_tx_flag(o);
918
919	if (add)
920		hdr->cmd_general_data |= ETH_CLASSIFY_CMD_HEADER_IS_ADD;
921
922	hdr->cmd_general_data |=
923		(opcode << ETH_CLASSIFY_CMD_HEADER_OPCODE_SHIFT);
924}
925
926/**
927 * ecore_vlan_mac_set_rdata_hdr_e2 - set the classify ramrod data header
928 *
929 * @cid:	connection id
930 * @type:	ECORE_FILTER_XXX_PENDING
931 * @hdr:	pointer to header to setup
932 * @rule_cnt:
933 *
934 * currently we always configure one rule and echo field to contain a CID and an
935 * opcode type.
936 */
937static inline void ecore_vlan_mac_set_rdata_hdr_e2(uint32_t cid, int type,
938				struct eth_classify_header *hdr, int rule_cnt)
939{
940	hdr->echo = ECORE_CPU_TO_LE32((cid & ECORE_SWCID_MASK) |
941				(type << ECORE_SWCID_SHIFT));
942	hdr->rule_cnt = (uint8_t)rule_cnt;
943}
944
945/* hw_config() callbacks */
946static void ecore_set_one_mac_e2(struct bxe_softc *sc,
947				 struct ecore_vlan_mac_obj *o,
948				 struct ecore_exeq_elem *elem, int rule_idx,
949				 int cam_offset)
950{
951	struct ecore_raw_obj *raw = &o->raw;
952	struct eth_classify_rules_ramrod_data *data =
953		(struct eth_classify_rules_ramrod_data *)(raw->rdata);
954	int rule_cnt = rule_idx + 1, cmd = elem->cmd_data.vlan_mac.cmd;
955	union eth_classify_rule_cmd *rule_entry = &data->rules[rule_idx];
956	bool add = (cmd == ECORE_VLAN_MAC_ADD) ? TRUE : FALSE;
957	unsigned long *vlan_mac_flags = &elem->cmd_data.vlan_mac.vlan_mac_flags;
958	uint8_t *mac = elem->cmd_data.vlan_mac.u.mac.mac;
959
960	/* Set LLH CAM entry: currently only iSCSI and ETH macs are
961	 * relevant. In addition, current implementation is tuned for a
962	 * single ETH MAC.
963	 *
964	 * When multiple unicast ETH MACs PF configuration in switch
965	 * independent mode is required (NetQ, multiple netdev MACs,
966	 * etc.), consider better utilisation of 8 per function MAC
967	 * entries in the LLH register. There is also
968	 * NIG_REG_P[01]_LLH_FUNC_MEM2 registers that complete the
969	 * total number of CAM entries to 16.
970	 *
971	 * Currently we won't configure NIG for MACs other than a primary ETH
972	 * MAC and iSCSI L2 MAC.
973	 *
974	 * If this MAC is moving from one Queue to another, no need to change
975	 * NIG configuration.
976	 */
977	if (cmd != ECORE_VLAN_MAC_MOVE) {
978		if (ECORE_TEST_BIT(ECORE_ISCSI_ETH_MAC, vlan_mac_flags))
979			ecore_set_mac_in_nig(sc, add, mac,
980					     ECORE_LLH_CAM_ISCSI_ETH_LINE);
981		else if (ECORE_TEST_BIT(ECORE_ETH_MAC, vlan_mac_flags))
982			ecore_set_mac_in_nig(sc, add, mac,
983					     ECORE_LLH_CAM_ETH_LINE);
984	}
985
986	/* Reset the ramrod data buffer for the first rule */
987	if (rule_idx == 0)
988		ECORE_MEMSET(data, 0, sizeof(*data));
989
990	/* Setup a command header */
991	ecore_vlan_mac_set_cmd_hdr_e2(sc, o, add, CLASSIFY_RULE_OPCODE_MAC,
992				      &rule_entry->mac.header);
993
994	ECORE_MSG(sc, "About to %s MAC %02x:%02x:%02x:%02x:%02x:%02x for Queue %d\n",
995		  (add ? "add" : "delete"), mac[0], mac[1], mac[2], mac[3], mac[4], mac[5], raw->cl_id);
996
997	/* Set a MAC itself */
998	ecore_set_fw_mac_addr(&rule_entry->mac.mac_msb,
999			      &rule_entry->mac.mac_mid,
1000			      &rule_entry->mac.mac_lsb, mac);
1001	rule_entry->mac.inner_mac =
1002		elem->cmd_data.vlan_mac.u.mac.is_inner_mac;
1003
1004	/* MOVE: Add a rule that will add this MAC to the target Queue */
1005	if (cmd == ECORE_VLAN_MAC_MOVE) {
1006		rule_entry++;
1007		rule_cnt++;
1008
1009		/* Setup ramrod data */
1010		ecore_vlan_mac_set_cmd_hdr_e2(sc,
1011					elem->cmd_data.vlan_mac.target_obj,
1012					      TRUE, CLASSIFY_RULE_OPCODE_MAC,
1013					      &rule_entry->mac.header);
1014
1015		/* Set a MAC itself */
1016		ecore_set_fw_mac_addr(&rule_entry->mac.mac_msb,
1017				      &rule_entry->mac.mac_mid,
1018				      &rule_entry->mac.mac_lsb, mac);
1019		rule_entry->mac.inner_mac =
1020			elem->cmd_data.vlan_mac.u.mac.is_inner_mac;
1021	}
1022
1023	/* Set the ramrod data header */
1024	/* TODO: take this to the higher level in order to prevent multiple
1025		 writing */
1026	ecore_vlan_mac_set_rdata_hdr_e2(raw->cid, raw->state, &data->header,
1027					rule_cnt);
1028}
1029
1030/**
1031 * ecore_vlan_mac_set_rdata_hdr_e1x - set a header in a single classify ramrod
1032 *
1033 * @sc:		device handle
1034 * @o:		queue
1035 * @type:
1036 * @cam_offset:	offset in cam memory
1037 * @hdr:	pointer to a header to setup
1038 *
1039 * E1/E1H
1040 */
1041static inline void ecore_vlan_mac_set_rdata_hdr_e1x(struct bxe_softc *sc,
1042	struct ecore_vlan_mac_obj *o, int type, int cam_offset,
1043	struct mac_configuration_hdr *hdr)
1044{
1045	struct ecore_raw_obj *r = &o->raw;
1046
1047	hdr->length = 1;
1048	hdr->offset = (uint8_t)cam_offset;
1049	hdr->client_id = ECORE_CPU_TO_LE16(0xff);
1050	hdr->echo = ECORE_CPU_TO_LE32((r->cid & ECORE_SWCID_MASK) |
1051				(type << ECORE_SWCID_SHIFT));
1052}
1053
1054static inline void ecore_vlan_mac_set_cfg_entry_e1x(struct bxe_softc *sc,
1055	struct ecore_vlan_mac_obj *o, bool add, int opcode, uint8_t *mac,
1056	uint16_t vlan_id, struct mac_configuration_entry *cfg_entry)
1057{
1058	struct ecore_raw_obj *r = &o->raw;
1059	uint32_t cl_bit_vec = (1 << r->cl_id);
1060
1061	cfg_entry->clients_bit_vector = ECORE_CPU_TO_LE32(cl_bit_vec);
1062	cfg_entry->pf_id = r->func_id;
1063	cfg_entry->vlan_id = ECORE_CPU_TO_LE16(vlan_id);
1064
1065	if (add) {
1066		ECORE_SET_FLAG(cfg_entry->flags,
1067			       MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
1068			       T_ETH_MAC_COMMAND_SET);
1069		ECORE_SET_FLAG(cfg_entry->flags,
1070			       MAC_CONFIGURATION_ENTRY_VLAN_FILTERING_MODE,
1071			       opcode);
1072
1073		/* Set a MAC in a ramrod data */
1074		ecore_set_fw_mac_addr(&cfg_entry->msb_mac_addr,
1075				      &cfg_entry->middle_mac_addr,
1076				      &cfg_entry->lsb_mac_addr, mac);
1077	} else
1078		ECORE_SET_FLAG(cfg_entry->flags,
1079			       MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
1080			       T_ETH_MAC_COMMAND_INVALIDATE);
1081}
1082
1083static inline void ecore_vlan_mac_set_rdata_e1x(struct bxe_softc *sc,
1084	struct ecore_vlan_mac_obj *o, int type, int cam_offset, bool add,
1085	uint8_t *mac, uint16_t vlan_id, int opcode, struct mac_configuration_cmd *config)
1086{
1087	struct mac_configuration_entry *cfg_entry = &config->config_table[0];
1088	struct ecore_raw_obj *raw = &o->raw;
1089
1090	ecore_vlan_mac_set_rdata_hdr_e1x(sc, o, type, cam_offset,
1091					 &config->hdr);
1092	ecore_vlan_mac_set_cfg_entry_e1x(sc, o, add, opcode, mac, vlan_id,
1093					 cfg_entry);
1094
1095	ECORE_MSG(sc, "%s MAC %02x:%02x:%02x:%02x:%02x:%02x CLID %d CAM offset %d\n",
1096		  (add ? "setting" : "clearing"),
1097		  mac[0], mac[1], mac[2], mac[3], mac[4], mac[5], raw->cl_id, cam_offset);
1098}
1099
1100/**
1101 * ecore_set_one_mac_e1x - fill a single MAC rule ramrod data
1102 *
1103 * @sc:		device handle
1104 * @o:		ecore_vlan_mac_obj
1105 * @elem:	ecore_exeq_elem
1106 * @rule_idx:	rule_idx
1107 * @cam_offset: cam_offset
1108 */
1109static void ecore_set_one_mac_e1x(struct bxe_softc *sc,
1110				  struct ecore_vlan_mac_obj *o,
1111				  struct ecore_exeq_elem *elem, int rule_idx,
1112				  int cam_offset)
1113{
1114	struct ecore_raw_obj *raw = &o->raw;
1115	struct mac_configuration_cmd *config =
1116		(struct mac_configuration_cmd *)(raw->rdata);
1117	/* 57710 and 57711 do not support MOVE command,
1118	 * so it's either ADD or DEL
1119	 */
1120	bool add = (elem->cmd_data.vlan_mac.cmd == ECORE_VLAN_MAC_ADD) ?
1121		TRUE : FALSE;
1122
1123	/* Reset the ramrod data buffer */
1124	ECORE_MEMSET(config, 0, sizeof(*config));
1125
1126	ecore_vlan_mac_set_rdata_e1x(sc, o, raw->state,
1127				     cam_offset, add,
1128				     elem->cmd_data.vlan_mac.u.mac.mac, 0,
1129				     ETH_VLAN_FILTER_ANY_VLAN, config);
1130}
1131
1132static void ecore_set_one_vlan_e2(struct bxe_softc *sc,
1133				  struct ecore_vlan_mac_obj *o,
1134				  struct ecore_exeq_elem *elem, int rule_idx,
1135				  int cam_offset)
1136{
1137	struct ecore_raw_obj *raw = &o->raw;
1138	struct eth_classify_rules_ramrod_data *data =
1139		(struct eth_classify_rules_ramrod_data *)(raw->rdata);
1140	int rule_cnt = rule_idx + 1;
1141	union eth_classify_rule_cmd *rule_entry = &data->rules[rule_idx];
1142	enum ecore_vlan_mac_cmd cmd = elem->cmd_data.vlan_mac.cmd;
1143	bool add = (cmd == ECORE_VLAN_MAC_ADD) ? TRUE : FALSE;
1144	uint16_t vlan = elem->cmd_data.vlan_mac.u.vlan.vlan;
1145
1146	/* Reset the ramrod data buffer for the first rule */
1147	if (rule_idx == 0)
1148		ECORE_MEMSET(data, 0, sizeof(*data));
1149
1150	/* Set a rule header */
1151	ecore_vlan_mac_set_cmd_hdr_e2(sc, o, add, CLASSIFY_RULE_OPCODE_VLAN,
1152				      &rule_entry->vlan.header);
1153
1154	ECORE_MSG(sc, "About to %s VLAN %d\n", (add ? "add" : "delete"),
1155		  vlan);
1156
1157	/* Set a VLAN itself */
1158	rule_entry->vlan.vlan = ECORE_CPU_TO_LE16(vlan);
1159
1160	/* MOVE: Add a rule that will add this MAC to the target Queue */
1161	if (cmd == ECORE_VLAN_MAC_MOVE) {
1162		rule_entry++;
1163		rule_cnt++;
1164
1165		/* Setup ramrod data */
1166		ecore_vlan_mac_set_cmd_hdr_e2(sc,
1167					elem->cmd_data.vlan_mac.target_obj,
1168					      TRUE, CLASSIFY_RULE_OPCODE_VLAN,
1169					      &rule_entry->vlan.header);
1170
1171		/* Set a VLAN itself */
1172		rule_entry->vlan.vlan = ECORE_CPU_TO_LE16(vlan);
1173	}
1174
1175	/* Set the ramrod data header */
1176	/* TODO: take this to the higher level in order to prevent multiple
1177		 writing */
1178	ecore_vlan_mac_set_rdata_hdr_e2(raw->cid, raw->state, &data->header,
1179					rule_cnt);
1180}
1181
1182static void ecore_set_one_vlan_mac_e2(struct bxe_softc *sc,
1183				      struct ecore_vlan_mac_obj *o,
1184				      struct ecore_exeq_elem *elem,
1185				      int rule_idx, int cam_offset)
1186{
1187	struct ecore_raw_obj *raw = &o->raw;
1188	struct eth_classify_rules_ramrod_data *data =
1189		(struct eth_classify_rules_ramrod_data *)(raw->rdata);
1190	int rule_cnt = rule_idx + 1;
1191	union eth_classify_rule_cmd *rule_entry = &data->rules[rule_idx];
1192	enum ecore_vlan_mac_cmd cmd = elem->cmd_data.vlan_mac.cmd;
1193	bool add = (cmd == ECORE_VLAN_MAC_ADD) ? TRUE : FALSE;
1194	uint16_t vlan = elem->cmd_data.vlan_mac.u.vlan_mac.vlan;
1195	uint8_t *mac = elem->cmd_data.vlan_mac.u.vlan_mac.mac;
1196
1197	/* Reset the ramrod data buffer for the first rule */
1198	if (rule_idx == 0)
1199		ECORE_MEMSET(data, 0, sizeof(*data));
1200
1201	/* Set a rule header */
1202	ecore_vlan_mac_set_cmd_hdr_e2(sc, o, add, CLASSIFY_RULE_OPCODE_PAIR,
1203				      &rule_entry->pair.header);
1204
1205	/* Set VLAN and MAC themselves */
1206	rule_entry->pair.vlan = ECORE_CPU_TO_LE16(vlan);
1207	ecore_set_fw_mac_addr(&rule_entry->pair.mac_msb,
1208			      &rule_entry->pair.mac_mid,
1209			      &rule_entry->pair.mac_lsb, mac);
1210	rule_entry->pair.inner_mac =
1211			elem->cmd_data.vlan_mac.u.vlan_mac.is_inner_mac;
1212	/* MOVE: Add a rule that will add this MAC to the target Queue */
1213	if (cmd == ECORE_VLAN_MAC_MOVE) {
1214		rule_entry++;
1215		rule_cnt++;
1216
1217		/* Setup ramrod data */
1218		ecore_vlan_mac_set_cmd_hdr_e2(sc,
1219					elem->cmd_data.vlan_mac.target_obj,
1220					      TRUE, CLASSIFY_RULE_OPCODE_PAIR,
1221					      &rule_entry->pair.header);
1222
1223		/* Set a VLAN itself */
1224		rule_entry->pair.vlan = ECORE_CPU_TO_LE16(vlan);
1225		ecore_set_fw_mac_addr(&rule_entry->pair.mac_msb,
1226				      &rule_entry->pair.mac_mid,
1227				      &rule_entry->pair.mac_lsb, mac);
1228		rule_entry->pair.inner_mac =
1229			elem->cmd_data.vlan_mac.u.vlan_mac.is_inner_mac;
1230	}
1231
1232	/* Set the ramrod data header */
1233	/* TODO: take this to the higher level in order to prevent multiple
1234		 writing */
1235	ecore_vlan_mac_set_rdata_hdr_e2(raw->cid, raw->state, &data->header,
1236					rule_cnt);
1237}
1238
1239/**
1240 * ecore_set_one_vlan_mac_e1h -
1241 *
1242 * @sc:		device handle
1243 * @o:		ecore_vlan_mac_obj
1244 * @elem:	ecore_exeq_elem
1245 * @rule_idx:	rule_idx
1246 * @cam_offset:	cam_offset
1247 */
1248static void ecore_set_one_vlan_mac_e1h(struct bxe_softc *sc,
1249				       struct ecore_vlan_mac_obj *o,
1250				       struct ecore_exeq_elem *elem,
1251				       int rule_idx, int cam_offset)
1252{
1253	struct ecore_raw_obj *raw = &o->raw;
1254	struct mac_configuration_cmd *config =
1255		(struct mac_configuration_cmd *)(raw->rdata);
1256	/* 57710 and 57711 do not support MOVE command,
1257	 * so it's either ADD or DEL
1258	 */
1259	bool add = (elem->cmd_data.vlan_mac.cmd == ECORE_VLAN_MAC_ADD) ?
1260		TRUE : FALSE;
1261
1262	/* Reset the ramrod data buffer */
1263	ECORE_MEMSET(config, 0, sizeof(*config));
1264
1265	ecore_vlan_mac_set_rdata_e1x(sc, o, ECORE_FILTER_VLAN_MAC_PENDING,
1266				     cam_offset, add,
1267				     elem->cmd_data.vlan_mac.u.vlan_mac.mac,
1268				     elem->cmd_data.vlan_mac.u.vlan_mac.vlan,
1269				     ETH_VLAN_FILTER_CLASSIFY, config);
1270}
1271
1272#define list_next_entry(pos, member) \
1273	list_entry((pos)->member.next, typeof(*(pos)), member)
1274
1275/**
1276 * ecore_vlan_mac_restore - reconfigure next MAC/VLAN/VLAN-MAC element
1277 *
1278 * @sc:		device handle
1279 * @p:		command parameters
1280 * @ppos:	pointer to the cookie
1281 *
1282 * reconfigure next MAC/VLAN/VLAN-MAC element from the
1283 * previously configured elements list.
1284 *
1285 * from command parameters only RAMROD_COMP_WAIT bit in ramrod_flags is	taken
1286 * into an account
1287 *
1288 * pointer to the cookie  - that should be given back in the next call to make
1289 * function handle the next element. If *ppos is set to NULL it will restart the
1290 * iterator. If returned *ppos == NULL this means that the last element has been
1291 * handled.
1292 *
1293 */
1294static int ecore_vlan_mac_restore(struct bxe_softc *sc,
1295			   struct ecore_vlan_mac_ramrod_params *p,
1296			   struct ecore_vlan_mac_registry_elem **ppos)
1297{
1298	struct ecore_vlan_mac_registry_elem *pos;
1299	struct ecore_vlan_mac_obj *o = p->vlan_mac_obj;
1300
1301	/* If list is empty - there is nothing to do here */
1302	if (ECORE_LIST_IS_EMPTY(&o->head)) {
1303		*ppos = NULL;
1304		return 0;
1305	}
1306
1307	/* make a step... */
1308	if (*ppos == NULL)
1309		*ppos = ECORE_LIST_FIRST_ENTRY(&o->head,
1310					    struct ecore_vlan_mac_registry_elem,
1311					       link);
1312	else
1313		*ppos = ECORE_LIST_NEXT(*ppos, link,
1314					struct ecore_vlan_mac_registry_elem);
1315
1316	pos = *ppos;
1317
1318	/* If it's the last step - return NULL */
1319	if (ECORE_LIST_IS_LAST(&pos->link, &o->head))
1320		*ppos = NULL;
1321
1322	/* Prepare a 'user_req' */
1323	ECORE_MEMCPY(&p->user_req.u, &pos->u, sizeof(pos->u));
1324
1325	/* Set the command */
1326	p->user_req.cmd = ECORE_VLAN_MAC_ADD;
1327
1328	/* Set vlan_mac_flags */
1329	p->user_req.vlan_mac_flags = pos->vlan_mac_flags;
1330
1331	/* Set a restore bit */
1332	ECORE_SET_BIT_NA(RAMROD_RESTORE, &p->ramrod_flags);
1333
1334	return ecore_config_vlan_mac(sc, p);
1335}
1336
1337/* ecore_exeq_get_mac/ecore_exeq_get_vlan/ecore_exeq_get_vlan_mac return a
1338 * pointer to an element with a specific criteria and NULL if such an element
1339 * hasn't been found.
1340 */
1341static struct ecore_exeq_elem *ecore_exeq_get_mac(
1342	struct ecore_exe_queue_obj *o,
1343	struct ecore_exeq_elem *elem)
1344{
1345	struct ecore_exeq_elem *pos;
1346	struct ecore_mac_ramrod_data *data = &elem->cmd_data.vlan_mac.u.mac;
1347
1348	/* Check pending for execution commands */
1349	ECORE_LIST_FOR_EACH_ENTRY(pos, &o->exe_queue, link,
1350				  struct ecore_exeq_elem)
1351		if (!ECORE_MEMCMP(&pos->cmd_data.vlan_mac.u.mac, data,
1352			      sizeof(*data)) &&
1353		    (pos->cmd_data.vlan_mac.cmd == elem->cmd_data.vlan_mac.cmd))
1354			return pos;
1355
1356	return NULL;
1357}
1358
1359static struct ecore_exeq_elem *ecore_exeq_get_vlan(
1360	struct ecore_exe_queue_obj *o,
1361	struct ecore_exeq_elem *elem)
1362{
1363	struct ecore_exeq_elem *pos;
1364	struct ecore_vlan_ramrod_data *data = &elem->cmd_data.vlan_mac.u.vlan;
1365
1366	/* Check pending for execution commands */
1367	ECORE_LIST_FOR_EACH_ENTRY(pos, &o->exe_queue, link,
1368				  struct ecore_exeq_elem)
1369		if (!ECORE_MEMCMP(&pos->cmd_data.vlan_mac.u.vlan, data,
1370			      sizeof(*data)) &&
1371		    (pos->cmd_data.vlan_mac.cmd == elem->cmd_data.vlan_mac.cmd))
1372			return pos;
1373
1374	return NULL;
1375}
1376
1377static struct ecore_exeq_elem *ecore_exeq_get_vlan_mac(
1378	struct ecore_exe_queue_obj *o,
1379	struct ecore_exeq_elem *elem)
1380{
1381	struct ecore_exeq_elem *pos;
1382	struct ecore_vlan_mac_ramrod_data *data =
1383		&elem->cmd_data.vlan_mac.u.vlan_mac;
1384
1385	/* Check pending for execution commands */
1386	ECORE_LIST_FOR_EACH_ENTRY(pos, &o->exe_queue, link,
1387				  struct ecore_exeq_elem)
1388		if (!ECORE_MEMCMP(&pos->cmd_data.vlan_mac.u.vlan_mac, data,
1389			      sizeof(*data)) &&
1390		    (pos->cmd_data.vlan_mac.cmd == elem->cmd_data.vlan_mac.cmd))
1391			return pos;
1392
1393	return NULL;
1394}
1395
1396/**
1397 * ecore_validate_vlan_mac_add - check if an ADD command can be executed
1398 *
1399 * @sc:		device handle
1400 * @qo:		ecore_qable_obj
1401 * @elem:	ecore_exeq_elem
1402 *
1403 * Checks that the requested configuration can be added. If yes and if
1404 * requested, consume CAM credit.
1405 *
1406 * The 'validate' is run after the 'optimize'.
1407 *
1408 */
1409static inline int ecore_validate_vlan_mac_add(struct bxe_softc *sc,
1410					      union ecore_qable_obj *qo,
1411					      struct ecore_exeq_elem *elem)
1412{
1413	struct ecore_vlan_mac_obj *o = &qo->vlan_mac;
1414	struct ecore_exe_queue_obj *exeq = &o->exe_queue;
1415	int rc;
1416
1417	/* Check the registry */
1418	rc = o->check_add(sc, o, &elem->cmd_data.vlan_mac.u);
1419	if (rc) {
1420		ECORE_MSG(sc, "ADD command is not allowed considering current registry state.\n");
1421		return rc;
1422	}
1423
1424	/* Check if there is a pending ADD command for this
1425	 * MAC/VLAN/VLAN-MAC. Return an error if there is.
1426	 */
1427	if (exeq->get(exeq, elem)) {
1428		ECORE_MSG(sc, "There is a pending ADD command already\n");
1429		return ECORE_EXISTS;
1430	}
1431
1432	/* TODO: Check the pending MOVE from other objects where this
1433	 * object is a destination object.
1434	 */
1435
1436	/* Consume the credit if not requested not to */
1437	if (!(ECORE_TEST_BIT(ECORE_DONT_CONSUME_CAM_CREDIT,
1438			     &elem->cmd_data.vlan_mac.vlan_mac_flags) ||
1439	    o->get_credit(o)))
1440		return ECORE_INVAL;
1441
1442	return ECORE_SUCCESS;
1443}
1444
1445/**
1446 * ecore_validate_vlan_mac_del - check if the DEL command can be executed
1447 *
1448 * @sc:		device handle
1449 * @qo:		quable object to check
1450 * @elem:	element that needs to be deleted
1451 *
1452 * Checks that the requested configuration can be deleted. If yes and if
1453 * requested, returns a CAM credit.
1454 *
1455 * The 'validate' is run after the 'optimize'.
1456 */
1457static inline int ecore_validate_vlan_mac_del(struct bxe_softc *sc,
1458					      union ecore_qable_obj *qo,
1459					      struct ecore_exeq_elem *elem)
1460{
1461	struct ecore_vlan_mac_obj *o = &qo->vlan_mac;
1462	struct ecore_vlan_mac_registry_elem *pos;
1463	struct ecore_exe_queue_obj *exeq = &o->exe_queue;
1464	struct ecore_exeq_elem query_elem;
1465
1466	/* If this classification can not be deleted (doesn't exist)
1467	 * - return a ECORE_EXIST.
1468	 */
1469	pos = o->check_del(sc, o, &elem->cmd_data.vlan_mac.u);
1470	if (!pos) {
1471		ECORE_MSG(sc, "DEL command is not allowed considering current registry state\n");
1472		return ECORE_EXISTS;
1473	}
1474
1475	/* Check if there are pending DEL or MOVE commands for this
1476	 * MAC/VLAN/VLAN-MAC. Return an error if so.
1477	 */
1478	ECORE_MEMCPY(&query_elem, elem, sizeof(query_elem));
1479
1480	/* Check for MOVE commands */
1481	query_elem.cmd_data.vlan_mac.cmd = ECORE_VLAN_MAC_MOVE;
1482	if (exeq->get(exeq, &query_elem)) {
1483		ECORE_ERR("There is a pending MOVE command already\n");
1484		return ECORE_INVAL;
1485	}
1486
1487	/* Check for DEL commands */
1488	if (exeq->get(exeq, elem)) {
1489		ECORE_MSG(sc, "There is a pending DEL command already\n");
1490		return ECORE_EXISTS;
1491	}
1492
1493	/* Return the credit to the credit pool if not requested not to */
1494	if (!(ECORE_TEST_BIT(ECORE_DONT_CONSUME_CAM_CREDIT,
1495			     &elem->cmd_data.vlan_mac.vlan_mac_flags) ||
1496	    o->put_credit(o))) {
1497		ECORE_ERR("Failed to return a credit\n");
1498		return ECORE_INVAL;
1499	}
1500
1501	return ECORE_SUCCESS;
1502}
1503
1504/**
1505 * ecore_validate_vlan_mac_move - check if the MOVE command can be executed
1506 *
1507 * @sc:		device handle
1508 * @qo:		quable object to check (source)
1509 * @elem:	element that needs to be moved
1510 *
1511 * Checks that the requested configuration can be moved. If yes and if
1512 * requested, returns a CAM credit.
1513 *
1514 * The 'validate' is run after the 'optimize'.
1515 */
1516static inline int ecore_validate_vlan_mac_move(struct bxe_softc *sc,
1517					       union ecore_qable_obj *qo,
1518					       struct ecore_exeq_elem *elem)
1519{
1520	struct ecore_vlan_mac_obj *src_o = &qo->vlan_mac;
1521	struct ecore_vlan_mac_obj *dest_o = elem->cmd_data.vlan_mac.target_obj;
1522	struct ecore_exeq_elem query_elem;
1523	struct ecore_exe_queue_obj *src_exeq = &src_o->exe_queue;
1524	struct ecore_exe_queue_obj *dest_exeq = &dest_o->exe_queue;
1525
1526	/* Check if we can perform this operation based on the current registry
1527	 * state.
1528	 */
1529	if (!src_o->check_move(sc, src_o, dest_o,
1530			       &elem->cmd_data.vlan_mac.u)) {
1531		ECORE_MSG(sc, "MOVE command is not allowed considering current registry state\n");
1532		return ECORE_INVAL;
1533	}
1534
1535	/* Check if there is an already pending DEL or MOVE command for the
1536	 * source object or ADD command for a destination object. Return an
1537	 * error if so.
1538	 */
1539	ECORE_MEMCPY(&query_elem, elem, sizeof(query_elem));
1540
1541	/* Check DEL on source */
1542	query_elem.cmd_data.vlan_mac.cmd = ECORE_VLAN_MAC_DEL;
1543	if (src_exeq->get(src_exeq, &query_elem)) {
1544		ECORE_ERR("There is a pending DEL command on the source queue already\n");
1545		return ECORE_INVAL;
1546	}
1547
1548	/* Check MOVE on source */
1549	if (src_exeq->get(src_exeq, elem)) {
1550		ECORE_MSG(sc, "There is a pending MOVE command already\n");
1551		return ECORE_EXISTS;
1552	}
1553
1554	/* Check ADD on destination */
1555	query_elem.cmd_data.vlan_mac.cmd = ECORE_VLAN_MAC_ADD;
1556	if (dest_exeq->get(dest_exeq, &query_elem)) {
1557		ECORE_ERR("There is a pending ADD command on the destination queue already\n");
1558		return ECORE_INVAL;
1559	}
1560
1561	/* Consume the credit if not requested not to */
1562	if (!(ECORE_TEST_BIT(ECORE_DONT_CONSUME_CAM_CREDIT_DEST,
1563			     &elem->cmd_data.vlan_mac.vlan_mac_flags) ||
1564	    dest_o->get_credit(dest_o)))
1565		return ECORE_INVAL;
1566
1567	if (!(ECORE_TEST_BIT(ECORE_DONT_CONSUME_CAM_CREDIT,
1568			     &elem->cmd_data.vlan_mac.vlan_mac_flags) ||
1569	    src_o->put_credit(src_o))) {
1570		/* return the credit taken from dest... */
1571		dest_o->put_credit(dest_o);
1572		return ECORE_INVAL;
1573	}
1574
1575	return ECORE_SUCCESS;
1576}
1577
1578static int ecore_validate_vlan_mac(struct bxe_softc *sc,
1579				   union ecore_qable_obj *qo,
1580				   struct ecore_exeq_elem *elem)
1581{
1582	switch (elem->cmd_data.vlan_mac.cmd) {
1583	case ECORE_VLAN_MAC_ADD:
1584		return ecore_validate_vlan_mac_add(sc, qo, elem);
1585	case ECORE_VLAN_MAC_DEL:
1586		return ecore_validate_vlan_mac_del(sc, qo, elem);
1587	case ECORE_VLAN_MAC_MOVE:
1588		return ecore_validate_vlan_mac_move(sc, qo, elem);
1589	default:
1590		return ECORE_INVAL;
1591	}
1592}
1593
1594static int ecore_remove_vlan_mac(struct bxe_softc *sc,
1595				  union ecore_qable_obj *qo,
1596				  struct ecore_exeq_elem *elem)
1597{
1598	int rc = 0;
1599
1600	/* If consumption wasn't required, nothing to do */
1601	if (ECORE_TEST_BIT(ECORE_DONT_CONSUME_CAM_CREDIT,
1602			   &elem->cmd_data.vlan_mac.vlan_mac_flags))
1603		return ECORE_SUCCESS;
1604
1605	switch (elem->cmd_data.vlan_mac.cmd) {
1606	case ECORE_VLAN_MAC_ADD:
1607	case ECORE_VLAN_MAC_MOVE:
1608		rc = qo->vlan_mac.put_credit(&qo->vlan_mac);
1609		break;
1610	case ECORE_VLAN_MAC_DEL:
1611		rc = qo->vlan_mac.get_credit(&qo->vlan_mac);
1612		break;
1613	default:
1614		return ECORE_INVAL;
1615	}
1616
1617	if (rc != TRUE)
1618		return ECORE_INVAL;
1619
1620	return ECORE_SUCCESS;
1621}
1622
1623/**
1624 * ecore_wait_vlan_mac - passively wait for 5 seconds until all work completes.
1625 *
1626 * @sc:		device handle
1627 * @o:		ecore_vlan_mac_obj
1628 *
1629 */
1630static int ecore_wait_vlan_mac(struct bxe_softc *sc,
1631			       struct ecore_vlan_mac_obj *o)
1632{
1633	int cnt = 5000, rc;
1634	struct ecore_exe_queue_obj *exeq = &o->exe_queue;
1635	struct ecore_raw_obj *raw = &o->raw;
1636
1637	while (cnt--) {
1638		/* Wait for the current command to complete */
1639		rc = raw->wait_comp(sc, raw);
1640		if (rc)
1641			return rc;
1642
1643		/* Wait until there are no pending commands */
1644		if (!ecore_exe_queue_empty(exeq))
1645			ECORE_WAIT(sc, 1000);
1646		else
1647			return ECORE_SUCCESS;
1648	}
1649
1650	return ECORE_TIMEOUT;
1651}
1652
1653static int __ecore_vlan_mac_execute_step(struct bxe_softc *sc,
1654					 struct ecore_vlan_mac_obj *o,
1655					 unsigned long *ramrod_flags)
1656{
1657	int rc = ECORE_SUCCESS;
1658
1659	ECORE_SPIN_LOCK_BH(&o->exe_queue.lock);
1660
1661	ECORE_MSG(sc, "vlan_mac_execute_step - trying to take writer lock\n");
1662	rc = __ecore_vlan_mac_h_write_trylock(sc, o);
1663
1664	if (rc != ECORE_SUCCESS) {
1665		__ecore_vlan_mac_h_pend(sc, o, *ramrod_flags);
1666
1667		/** Calling function should not diffrentiate between this case
1668		 *  and the case in which there is already a pending ramrod
1669		 */
1670		rc = ECORE_PENDING;
1671	} else {
1672		rc = ecore_exe_queue_step(sc, o, &o->exe_queue, ramrod_flags);
1673	}
1674	ECORE_SPIN_UNLOCK_BH(&o->exe_queue.lock);
1675
1676	return rc;
1677}
1678
1679/**
1680 * ecore_complete_vlan_mac - complete one VLAN-MAC ramrod
1681 *
1682 * @sc:		device handle
1683 * @o:		ecore_vlan_mac_obj
1684 * @cqe:
1685 * @cont:	if TRUE schedule next execution chunk
1686 *
1687 */
1688static int ecore_complete_vlan_mac(struct bxe_softc *sc,
1689				   struct ecore_vlan_mac_obj *o,
1690				   union event_ring_elem *cqe,
1691				   unsigned long *ramrod_flags)
1692{
1693	struct ecore_raw_obj *r = &o->raw;
1694	int rc;
1695
1696	/* Reset pending list */
1697	ecore_exe_queue_reset_pending(sc, &o->exe_queue);
1698
1699	/* Clear pending */
1700	r->clear_pending(r);
1701
1702	/* If ramrod failed this is most likely a SW bug */
1703	if (cqe->message.error)
1704		return ECORE_INVAL;
1705
1706	/* Run the next bulk of pending commands if requested */
1707	if (ECORE_TEST_BIT(RAMROD_CONT, ramrod_flags)) {
1708		rc = __ecore_vlan_mac_execute_step(sc, o, ramrod_flags);
1709		if (rc < 0)
1710			return rc;
1711	}
1712
1713	/* If there is more work to do return PENDING */
1714	if (!ecore_exe_queue_empty(&o->exe_queue))
1715		return ECORE_PENDING;
1716
1717	return ECORE_SUCCESS;
1718}
1719
1720/**
1721 * ecore_optimize_vlan_mac - optimize ADD and DEL commands.
1722 *
1723 * @sc:		device handle
1724 * @o:		ecore_qable_obj
1725 * @elem:	ecore_exeq_elem
1726 */
1727static int ecore_optimize_vlan_mac(struct bxe_softc *sc,
1728				   union ecore_qable_obj *qo,
1729				   struct ecore_exeq_elem *elem)
1730{
1731	struct ecore_exeq_elem query, *pos;
1732	struct ecore_vlan_mac_obj *o = &qo->vlan_mac;
1733	struct ecore_exe_queue_obj *exeq = &o->exe_queue;
1734
1735	ECORE_MEMCPY(&query, elem, sizeof(query));
1736
1737	switch (elem->cmd_data.vlan_mac.cmd) {
1738	case ECORE_VLAN_MAC_ADD:
1739		query.cmd_data.vlan_mac.cmd = ECORE_VLAN_MAC_DEL;
1740		break;
1741	case ECORE_VLAN_MAC_DEL:
1742		query.cmd_data.vlan_mac.cmd = ECORE_VLAN_MAC_ADD;
1743		break;
1744	default:
1745		/* Don't handle anything other than ADD or DEL */
1746		return 0;
1747	}
1748
1749	/* If we found the appropriate element - delete it */
1750	pos = exeq->get(exeq, &query);
1751	if (pos) {
1752
1753		/* Return the credit of the optimized command */
1754		if (!ECORE_TEST_BIT(ECORE_DONT_CONSUME_CAM_CREDIT,
1755				     &pos->cmd_data.vlan_mac.vlan_mac_flags)) {
1756			if ((query.cmd_data.vlan_mac.cmd ==
1757			     ECORE_VLAN_MAC_ADD) && !o->put_credit(o)) {
1758				ECORE_ERR("Failed to return the credit for the optimized ADD command\n");
1759				return ECORE_INVAL;
1760			} else if (!o->get_credit(o)) { /* VLAN_MAC_DEL */
1761				ECORE_ERR("Failed to recover the credit from the optimized DEL command\n");
1762				return ECORE_INVAL;
1763			}
1764		}
1765
1766		ECORE_MSG(sc, "Optimizing %s command\n",
1767			  (elem->cmd_data.vlan_mac.cmd == ECORE_VLAN_MAC_ADD) ?
1768			  "ADD" : "DEL");
1769
1770		ECORE_LIST_REMOVE_ENTRY(&pos->link, &exeq->exe_queue);
1771		ecore_exe_queue_free_elem(sc, pos);
1772		return 1;
1773	}
1774
1775	return 0;
1776}
1777
1778/**
1779 * ecore_vlan_mac_get_registry_elem - prepare a registry element
1780 *
1781 * @sc:	  device handle
1782 * @o:
1783 * @elem:
1784 * @restore:
1785 * @re:
1786 *
1787 * prepare a registry element according to the current command request.
1788 */
1789static inline int ecore_vlan_mac_get_registry_elem(
1790	struct bxe_softc *sc,
1791	struct ecore_vlan_mac_obj *o,
1792	struct ecore_exeq_elem *elem,
1793	bool restore,
1794	struct ecore_vlan_mac_registry_elem **re)
1795{
1796	enum ecore_vlan_mac_cmd cmd = elem->cmd_data.vlan_mac.cmd;
1797	struct ecore_vlan_mac_registry_elem *reg_elem;
1798
1799	/* Allocate a new registry element if needed. */
1800	if (!restore &&
1801	    ((cmd == ECORE_VLAN_MAC_ADD) || (cmd == ECORE_VLAN_MAC_MOVE))) {
1802		reg_elem = ECORE_ZALLOC(sizeof(*reg_elem), GFP_ATOMIC, sc);
1803		if (!reg_elem)
1804			return ECORE_NOMEM;
1805
1806		/* Get a new CAM offset */
1807		if (!o->get_cam_offset(o, &reg_elem->cam_offset)) {
1808			/* This shall never happen, because we have checked the
1809			 * CAM availability in the 'validate'.
1810			 */
1811			ECORE_DBG_BREAK_IF(1);
1812			ECORE_FREE(sc, reg_elem, sizeof(*reg_elem));
1813			return ECORE_INVAL;
1814		}
1815
1816		ECORE_MSG(sc, "Got cam offset %d\n", reg_elem->cam_offset);
1817
1818		/* Set a VLAN-MAC data */
1819		ECORE_MEMCPY(&reg_elem->u, &elem->cmd_data.vlan_mac.u,
1820			  sizeof(reg_elem->u));
1821
1822		/* Copy the flags (needed for DEL and RESTORE flows) */
1823		reg_elem->vlan_mac_flags =
1824			elem->cmd_data.vlan_mac.vlan_mac_flags;
1825	} else /* DEL, RESTORE */
1826		reg_elem = o->check_del(sc, o, &elem->cmd_data.vlan_mac.u);
1827
1828	*re = reg_elem;
1829	return ECORE_SUCCESS;
1830}
1831
1832/**
1833 * ecore_execute_vlan_mac - execute vlan mac command
1834 *
1835 * @sc:			device handle
1836 * @qo:
1837 * @exe_chunk:
1838 * @ramrod_flags:
1839 *
1840 * go and send a ramrod!
1841 */
1842static int ecore_execute_vlan_mac(struct bxe_softc *sc,
1843				  union ecore_qable_obj *qo,
1844				  ecore_list_t *exe_chunk,
1845				  unsigned long *ramrod_flags)
1846{
1847	struct ecore_exeq_elem *elem;
1848	struct ecore_vlan_mac_obj *o = &qo->vlan_mac, *cam_obj;
1849	struct ecore_raw_obj *r = &o->raw;
1850	int rc, idx = 0;
1851	bool restore = ECORE_TEST_BIT(RAMROD_RESTORE, ramrod_flags);
1852	bool drv_only = ECORE_TEST_BIT(RAMROD_DRV_CLR_ONLY, ramrod_flags);
1853	struct ecore_vlan_mac_registry_elem *reg_elem;
1854	enum ecore_vlan_mac_cmd cmd;
1855
1856	/* If DRIVER_ONLY execution is requested, cleanup a registry
1857	 * and exit. Otherwise send a ramrod to FW.
1858	 */
1859	if (!drv_only) {
1860
1861		/* Set pending */
1862		r->set_pending(r);
1863
1864		/* Fill the ramrod data */
1865		ECORE_LIST_FOR_EACH_ENTRY(elem, exe_chunk, link,
1866					  struct ecore_exeq_elem) {
1867			cmd = elem->cmd_data.vlan_mac.cmd;
1868			/* We will add to the target object in MOVE command, so
1869			 * change the object for a CAM search.
1870			 */
1871			if (cmd == ECORE_VLAN_MAC_MOVE)
1872				cam_obj = elem->cmd_data.vlan_mac.target_obj;
1873			else
1874				cam_obj = o;
1875
1876			rc = ecore_vlan_mac_get_registry_elem(sc, cam_obj,
1877							      elem, restore,
1878							      &reg_elem);
1879			if (rc)
1880				goto error_exit;
1881
1882			ECORE_DBG_BREAK_IF(!reg_elem);
1883
1884			/* Push a new entry into the registry */
1885			if (!restore &&
1886			    ((cmd == ECORE_VLAN_MAC_ADD) ||
1887			    (cmd == ECORE_VLAN_MAC_MOVE)))
1888				ECORE_LIST_PUSH_HEAD(&reg_elem->link,
1889						     &cam_obj->head);
1890
1891			/* Configure a single command in a ramrod data buffer */
1892			o->set_one_rule(sc, o, elem, idx,
1893					reg_elem->cam_offset);
1894
1895			/* MOVE command consumes 2 entries in the ramrod data */
1896			if (cmd == ECORE_VLAN_MAC_MOVE)
1897				idx += 2;
1898			else
1899				idx++;
1900		}
1901
1902		/*
1903		 *  No need for an explicit memory barrier here as long we would
1904		 *  need to ensure the ordering of writing to the SPQ element
1905		 *  and updating of the SPQ producer which involves a memory
1906		 *  read and we will have to put a full memory barrier there
1907		 *  (inside ecore_sp_post()).
1908		 */
1909
1910		rc = ecore_sp_post(sc, o->ramrod_cmd, r->cid,
1911				   r->rdata_mapping,
1912				   ETH_CONNECTION_TYPE);
1913		if (rc)
1914			goto error_exit;
1915	}
1916
1917	/* Now, when we are done with the ramrod - clean up the registry */
1918	ECORE_LIST_FOR_EACH_ENTRY(elem, exe_chunk, link,
1919				  struct ecore_exeq_elem) {
1920		cmd = elem->cmd_data.vlan_mac.cmd;
1921		if ((cmd == ECORE_VLAN_MAC_DEL) ||
1922		    (cmd == ECORE_VLAN_MAC_MOVE)) {
1923			reg_elem = o->check_del(sc, o,
1924						&elem->cmd_data.vlan_mac.u);
1925
1926			ECORE_DBG_BREAK_IF(!reg_elem);
1927
1928			o->put_cam_offset(o, reg_elem->cam_offset);
1929			ECORE_LIST_REMOVE_ENTRY(&reg_elem->link, &o->head);
1930			ECORE_FREE(sc, reg_elem, sizeof(*reg_elem));
1931		}
1932	}
1933
1934	if (!drv_only)
1935		return ECORE_PENDING;
1936	else
1937		return ECORE_SUCCESS;
1938
1939error_exit:
1940	r->clear_pending(r);
1941
1942	/* Cleanup a registry in case of a failure */
1943	ECORE_LIST_FOR_EACH_ENTRY(elem, exe_chunk, link,
1944				  struct ecore_exeq_elem) {
1945		cmd = elem->cmd_data.vlan_mac.cmd;
1946
1947		if (cmd == ECORE_VLAN_MAC_MOVE)
1948			cam_obj = elem->cmd_data.vlan_mac.target_obj;
1949		else
1950			cam_obj = o;
1951
1952		/* Delete all newly added above entries */
1953		if (!restore &&
1954		    ((cmd == ECORE_VLAN_MAC_ADD) ||
1955		    (cmd == ECORE_VLAN_MAC_MOVE))) {
1956			reg_elem = o->check_del(sc, cam_obj,
1957						&elem->cmd_data.vlan_mac.u);
1958			if (reg_elem) {
1959				ECORE_LIST_REMOVE_ENTRY(&reg_elem->link,
1960							&cam_obj->head);
1961				ECORE_FREE(sc, reg_elem, sizeof(*reg_elem));
1962			}
1963		}
1964	}
1965
1966	return rc;
1967}
1968
1969static inline int ecore_vlan_mac_push_new_cmd(
1970	struct bxe_softc *sc,
1971	struct ecore_vlan_mac_ramrod_params *p)
1972{
1973	struct ecore_exeq_elem *elem;
1974	struct ecore_vlan_mac_obj *o = p->vlan_mac_obj;
1975	bool restore = ECORE_TEST_BIT(RAMROD_RESTORE, &p->ramrod_flags);
1976
1977	/* Allocate the execution queue element */
1978	elem = ecore_exe_queue_alloc_elem(sc);
1979	if (!elem)
1980		return ECORE_NOMEM;
1981
1982	/* Set the command 'length' */
1983	switch (p->user_req.cmd) {
1984	case ECORE_VLAN_MAC_MOVE:
1985		elem->cmd_len = 2;
1986		break;
1987	default:
1988		elem->cmd_len = 1;
1989	}
1990
1991	/* Fill the object specific info */
1992	ECORE_MEMCPY(&elem->cmd_data.vlan_mac, &p->user_req, sizeof(p->user_req));
1993
1994	/* Try to add a new command to the pending list */
1995	return ecore_exe_queue_add(sc, &o->exe_queue, elem, restore);
1996}
1997
1998/**
1999 * ecore_config_vlan_mac - configure VLAN/MAC/VLAN_MAC filtering rules.
2000 *
2001 * @sc:	  device handle
2002 * @p:
2003 *
2004 */
2005int ecore_config_vlan_mac(struct bxe_softc *sc,
2006			   struct ecore_vlan_mac_ramrod_params *p)
2007{
2008	int rc = ECORE_SUCCESS;
2009	struct ecore_vlan_mac_obj *o = p->vlan_mac_obj;
2010	unsigned long *ramrod_flags = &p->ramrod_flags;
2011	bool cont = ECORE_TEST_BIT(RAMROD_CONT, ramrod_flags);
2012	struct ecore_raw_obj *raw = &o->raw;
2013
2014	/*
2015	 * Add new elements to the execution list for commands that require it.
2016	 */
2017	if (!cont) {
2018		rc = ecore_vlan_mac_push_new_cmd(sc, p);
2019		if (rc)
2020			return rc;
2021	}
2022
2023	/* If nothing will be executed further in this iteration we want to
2024	 * return PENDING if there are pending commands
2025	 */
2026	if (!ecore_exe_queue_empty(&o->exe_queue))
2027		rc = ECORE_PENDING;
2028
2029	if (ECORE_TEST_BIT(RAMROD_DRV_CLR_ONLY, ramrod_flags))  {
2030		ECORE_MSG(sc, "RAMROD_DRV_CLR_ONLY requested: clearing a pending bit.\n");
2031		raw->clear_pending(raw);
2032	}
2033
2034	/* Execute commands if required */
2035	if (cont || ECORE_TEST_BIT(RAMROD_EXEC, ramrod_flags) ||
2036	    ECORE_TEST_BIT(RAMROD_COMP_WAIT, ramrod_flags)) {
2037		rc = __ecore_vlan_mac_execute_step(sc, p->vlan_mac_obj,
2038						   &p->ramrod_flags);
2039		if (rc < 0)
2040			return rc;
2041	}
2042
2043	/* RAMROD_COMP_WAIT is a superset of RAMROD_EXEC. If it was set
2044	 * then user want to wait until the last command is done.
2045	 */
2046	if (ECORE_TEST_BIT(RAMROD_COMP_WAIT, &p->ramrod_flags)) {
2047		/* Wait maximum for the current exe_queue length iterations plus
2048		 * one (for the current pending command).
2049		 */
2050		int max_iterations = ecore_exe_queue_length(&o->exe_queue) + 1;
2051
2052		while (!ecore_exe_queue_empty(&o->exe_queue) &&
2053		       max_iterations--) {
2054
2055			/* Wait for the current command to complete */
2056			rc = raw->wait_comp(sc, raw);
2057			if (rc)
2058				return rc;
2059
2060			/* Make a next step */
2061			rc = __ecore_vlan_mac_execute_step(sc,
2062							   p->vlan_mac_obj,
2063							   &p->ramrod_flags);
2064			if (rc < 0)
2065				return rc;
2066		}
2067
2068		return ECORE_SUCCESS;
2069	}
2070
2071	return rc;
2072}
2073
2074/**
2075 * ecore_vlan_mac_del_all - delete elements with given vlan_mac_flags spec
2076 *
2077 * @sc:			device handle
2078 * @o:
2079 * @vlan_mac_flags:
2080 * @ramrod_flags:	execution flags to be used for this deletion
2081 *
2082 * if the last operation has completed successfully and there are no
2083 * more elements left, positive value if the last operation has completed
2084 * successfully and there are more previously configured elements, negative
2085 * value is current operation has failed.
2086 */
2087static int ecore_vlan_mac_del_all(struct bxe_softc *sc,
2088				  struct ecore_vlan_mac_obj *o,
2089				  unsigned long *vlan_mac_flags,
2090				  unsigned long *ramrod_flags)
2091{
2092	struct ecore_vlan_mac_registry_elem *pos = NULL;
2093	int rc = 0, read_lock;
2094	struct ecore_vlan_mac_ramrod_params p;
2095	struct ecore_exe_queue_obj *exeq = &o->exe_queue;
2096	struct ecore_exeq_elem *exeq_pos, *exeq_pos_n;
2097
2098	/* Clear pending commands first */
2099
2100	ECORE_SPIN_LOCK_BH(&exeq->lock);
2101
2102	ECORE_LIST_FOR_EACH_ENTRY_SAFE(exeq_pos, exeq_pos_n,
2103				       &exeq->exe_queue, link,
2104				       struct ecore_exeq_elem) {
2105		if (exeq_pos->cmd_data.vlan_mac.vlan_mac_flags ==
2106		    *vlan_mac_flags) {
2107			rc = exeq->remove(sc, exeq->owner, exeq_pos);
2108			if (rc) {
2109				ECORE_ERR("Failed to remove command\n");
2110				ECORE_SPIN_UNLOCK_BH(&exeq->lock);
2111				return rc;
2112			}
2113			ECORE_LIST_REMOVE_ENTRY(&exeq_pos->link,
2114						&exeq->exe_queue);
2115			ecore_exe_queue_free_elem(sc, exeq_pos);
2116		}
2117	}
2118
2119	ECORE_SPIN_UNLOCK_BH(&exeq->lock);
2120
2121	/* Prepare a command request */
2122	ECORE_MEMSET(&p, 0, sizeof(p));
2123	p.vlan_mac_obj = o;
2124	p.ramrod_flags = *ramrod_flags;
2125	p.user_req.cmd = ECORE_VLAN_MAC_DEL;
2126
2127	/* Add all but the last VLAN-MAC to the execution queue without actually
2128	 * execution anything.
2129	 */
2130	ECORE_CLEAR_BIT_NA(RAMROD_COMP_WAIT, &p.ramrod_flags);
2131	ECORE_CLEAR_BIT_NA(RAMROD_EXEC, &p.ramrod_flags);
2132	ECORE_CLEAR_BIT_NA(RAMROD_CONT, &p.ramrod_flags);
2133
2134	ECORE_MSG(sc, "vlan_mac_del_all -- taking vlan_mac_lock (reader)\n");
2135	read_lock = ecore_vlan_mac_h_read_lock(sc, o);
2136	if (read_lock != ECORE_SUCCESS)
2137		return read_lock;
2138
2139	ECORE_LIST_FOR_EACH_ENTRY(pos, &o->head, link,
2140				  struct ecore_vlan_mac_registry_elem) {
2141		if (pos->vlan_mac_flags == *vlan_mac_flags) {
2142			p.user_req.vlan_mac_flags = pos->vlan_mac_flags;
2143			ECORE_MEMCPY(&p.user_req.u, &pos->u, sizeof(pos->u));
2144			rc = ecore_config_vlan_mac(sc, &p);
2145			if (rc < 0) {
2146				ECORE_ERR("Failed to add a new DEL command\n");
2147				ecore_vlan_mac_h_read_unlock(sc, o);
2148				return rc;
2149			}
2150		}
2151	}
2152
2153	ECORE_MSG(sc, "vlan_mac_del_all -- releasing vlan_mac_lock (reader)\n");
2154	ecore_vlan_mac_h_read_unlock(sc, o);
2155
2156	p.ramrod_flags = *ramrod_flags;
2157	ECORE_SET_BIT_NA(RAMROD_CONT, &p.ramrod_flags);
2158
2159	return ecore_config_vlan_mac(sc, &p);
2160}
2161
2162static inline void ecore_init_raw_obj(struct ecore_raw_obj *raw, uint8_t cl_id,
2163	uint32_t cid, uint8_t func_id, void *rdata, ecore_dma_addr_t rdata_mapping, int state,
2164	unsigned long *pstate, ecore_obj_type type)
2165{
2166	raw->func_id = func_id;
2167	raw->cid = cid;
2168	raw->cl_id = cl_id;
2169	raw->rdata = rdata;
2170	raw->rdata_mapping = rdata_mapping;
2171	raw->state = state;
2172	raw->pstate = pstate;
2173	raw->obj_type = type;
2174	raw->check_pending = ecore_raw_check_pending;
2175	raw->clear_pending = ecore_raw_clear_pending;
2176	raw->set_pending = ecore_raw_set_pending;
2177	raw->wait_comp = ecore_raw_wait;
2178}
2179
2180static inline void ecore_init_vlan_mac_common(struct ecore_vlan_mac_obj *o,
2181	uint8_t cl_id, uint32_t cid, uint8_t func_id, void *rdata, ecore_dma_addr_t rdata_mapping,
2182	int state, unsigned long *pstate, ecore_obj_type type,
2183	struct ecore_credit_pool_obj *macs_pool,
2184	struct ecore_credit_pool_obj *vlans_pool)
2185{
2186	ECORE_LIST_INIT(&o->head);
2187	o->head_reader = 0;
2188	o->head_exe_request = FALSE;
2189	o->saved_ramrod_flags = 0;
2190
2191	o->macs_pool = macs_pool;
2192	o->vlans_pool = vlans_pool;
2193
2194	o->delete_all = ecore_vlan_mac_del_all;
2195	o->restore = ecore_vlan_mac_restore;
2196	o->complete = ecore_complete_vlan_mac;
2197	o->wait = ecore_wait_vlan_mac;
2198
2199	ecore_init_raw_obj(&o->raw, cl_id, cid, func_id, rdata, rdata_mapping,
2200			   state, pstate, type);
2201}
2202
2203void ecore_init_mac_obj(struct bxe_softc *sc,
2204			struct ecore_vlan_mac_obj *mac_obj,
2205			uint8_t cl_id, uint32_t cid, uint8_t func_id, void *rdata,
2206			ecore_dma_addr_t rdata_mapping, int state,
2207			unsigned long *pstate, ecore_obj_type type,
2208			struct ecore_credit_pool_obj *macs_pool)
2209{
2210	union ecore_qable_obj *qable_obj = (union ecore_qable_obj *)mac_obj;
2211
2212	ecore_init_vlan_mac_common(mac_obj, cl_id, cid, func_id, rdata,
2213				   rdata_mapping, state, pstate, type,
2214				   macs_pool, NULL);
2215
2216	/* CAM credit pool handling */
2217	mac_obj->get_credit = ecore_get_credit_mac;
2218	mac_obj->put_credit = ecore_put_credit_mac;
2219	mac_obj->get_cam_offset = ecore_get_cam_offset_mac;
2220	mac_obj->put_cam_offset = ecore_put_cam_offset_mac;
2221
2222	if (CHIP_IS_E1x(sc)) {
2223		mac_obj->set_one_rule      = ecore_set_one_mac_e1x;
2224		mac_obj->check_del         = ecore_check_mac_del;
2225		mac_obj->check_add         = ecore_check_mac_add;
2226		mac_obj->check_move        = ecore_check_move_always_err;
2227		mac_obj->ramrod_cmd        = RAMROD_CMD_ID_ETH_SET_MAC;
2228
2229		/* Exe Queue */
2230		ecore_exe_queue_init(sc,
2231				     &mac_obj->exe_queue, 1, qable_obj,
2232				     ecore_validate_vlan_mac,
2233				     ecore_remove_vlan_mac,
2234				     ecore_optimize_vlan_mac,
2235				     ecore_execute_vlan_mac,
2236				     ecore_exeq_get_mac);
2237	} else {
2238		mac_obj->set_one_rule      = ecore_set_one_mac_e2;
2239		mac_obj->check_del         = ecore_check_mac_del;
2240		mac_obj->check_add         = ecore_check_mac_add;
2241		mac_obj->check_move        = ecore_check_move;
2242		mac_obj->ramrod_cmd        =
2243			RAMROD_CMD_ID_ETH_CLASSIFICATION_RULES;
2244		mac_obj->get_n_elements    = ecore_get_n_elements;
2245
2246		/* Exe Queue */
2247		ecore_exe_queue_init(sc,
2248				     &mac_obj->exe_queue, CLASSIFY_RULES_COUNT,
2249				     qable_obj, ecore_validate_vlan_mac,
2250				     ecore_remove_vlan_mac,
2251				     ecore_optimize_vlan_mac,
2252				     ecore_execute_vlan_mac,
2253				     ecore_exeq_get_mac);
2254	}
2255}
2256
2257void ecore_init_vlan_obj(struct bxe_softc *sc,
2258			 struct ecore_vlan_mac_obj *vlan_obj,
2259			 uint8_t cl_id, uint32_t cid, uint8_t func_id, void *rdata,
2260			 ecore_dma_addr_t rdata_mapping, int state,
2261			 unsigned long *pstate, ecore_obj_type type,
2262			 struct ecore_credit_pool_obj *vlans_pool)
2263{
2264	union ecore_qable_obj *qable_obj = (union ecore_qable_obj *)vlan_obj;
2265
2266	ecore_init_vlan_mac_common(vlan_obj, cl_id, cid, func_id, rdata,
2267				   rdata_mapping, state, pstate, type, NULL,
2268				   vlans_pool);
2269
2270	vlan_obj->get_credit = ecore_get_credit_vlan;
2271	vlan_obj->put_credit = ecore_put_credit_vlan;
2272	vlan_obj->get_cam_offset = ecore_get_cam_offset_vlan;
2273	vlan_obj->put_cam_offset = ecore_put_cam_offset_vlan;
2274
2275	if (CHIP_IS_E1x(sc)) {
2276		ECORE_ERR("Do not support chips others than E2 and newer\n");
2277		ECORE_BUG();
2278	} else {
2279		vlan_obj->set_one_rule      = ecore_set_one_vlan_e2;
2280		vlan_obj->check_del         = ecore_check_vlan_del;
2281		vlan_obj->check_add         = ecore_check_vlan_add;
2282		vlan_obj->check_move        = ecore_check_move;
2283		vlan_obj->ramrod_cmd        =
2284			RAMROD_CMD_ID_ETH_CLASSIFICATION_RULES;
2285		vlan_obj->get_n_elements    = ecore_get_n_elements;
2286
2287		/* Exe Queue */
2288		ecore_exe_queue_init(sc,
2289				     &vlan_obj->exe_queue, CLASSIFY_RULES_COUNT,
2290				     qable_obj, ecore_validate_vlan_mac,
2291				     ecore_remove_vlan_mac,
2292				     ecore_optimize_vlan_mac,
2293				     ecore_execute_vlan_mac,
2294				     ecore_exeq_get_vlan);
2295	}
2296}
2297
2298void ecore_init_vlan_mac_obj(struct bxe_softc *sc,
2299			     struct ecore_vlan_mac_obj *vlan_mac_obj,
2300			     uint8_t cl_id, uint32_t cid, uint8_t func_id, void *rdata,
2301			     ecore_dma_addr_t rdata_mapping, int state,
2302			     unsigned long *pstate, ecore_obj_type type,
2303			     struct ecore_credit_pool_obj *macs_pool,
2304			     struct ecore_credit_pool_obj *vlans_pool)
2305{
2306	union ecore_qable_obj *qable_obj =
2307		(union ecore_qable_obj *)vlan_mac_obj;
2308
2309	ecore_init_vlan_mac_common(vlan_mac_obj, cl_id, cid, func_id, rdata,
2310				   rdata_mapping, state, pstate, type,
2311				   macs_pool, vlans_pool);
2312
2313	/* CAM pool handling */
2314	vlan_mac_obj->get_credit = ecore_get_credit_vlan_mac;
2315	vlan_mac_obj->put_credit = ecore_put_credit_vlan_mac;
2316	/* CAM offset is relevant for 57710 and 57711 chips only which have a
2317	 * single CAM for both MACs and VLAN-MAC pairs. So the offset
2318	 * will be taken from MACs' pool object only.
2319	 */
2320	vlan_mac_obj->get_cam_offset = ecore_get_cam_offset_mac;
2321	vlan_mac_obj->put_cam_offset = ecore_put_cam_offset_mac;
2322
2323	if (CHIP_IS_E1(sc)) {
2324		ECORE_ERR("Do not support chips others than E2\n");
2325		ECORE_BUG();
2326	} else if (CHIP_IS_E1H(sc)) {
2327		vlan_mac_obj->set_one_rule      = ecore_set_one_vlan_mac_e1h;
2328		vlan_mac_obj->check_del         = ecore_check_vlan_mac_del;
2329		vlan_mac_obj->check_add         = ecore_check_vlan_mac_add;
2330		vlan_mac_obj->check_move        = ecore_check_move_always_err;
2331		vlan_mac_obj->ramrod_cmd        = RAMROD_CMD_ID_ETH_SET_MAC;
2332
2333		/* Exe Queue */
2334		ecore_exe_queue_init(sc,
2335				     &vlan_mac_obj->exe_queue, 1, qable_obj,
2336				     ecore_validate_vlan_mac,
2337				     ecore_remove_vlan_mac,
2338				     ecore_optimize_vlan_mac,
2339				     ecore_execute_vlan_mac,
2340				     ecore_exeq_get_vlan_mac);
2341	} else {
2342		vlan_mac_obj->set_one_rule      = ecore_set_one_vlan_mac_e2;
2343		vlan_mac_obj->check_del         = ecore_check_vlan_mac_del;
2344		vlan_mac_obj->check_add         = ecore_check_vlan_mac_add;
2345		vlan_mac_obj->check_move        = ecore_check_move;
2346		vlan_mac_obj->ramrod_cmd        =
2347			RAMROD_CMD_ID_ETH_CLASSIFICATION_RULES;
2348
2349		/* Exe Queue */
2350		ecore_exe_queue_init(sc,
2351				     &vlan_mac_obj->exe_queue,
2352				     CLASSIFY_RULES_COUNT,
2353				     qable_obj, ecore_validate_vlan_mac,
2354				     ecore_remove_vlan_mac,
2355				     ecore_optimize_vlan_mac,
2356				     ecore_execute_vlan_mac,
2357				     ecore_exeq_get_vlan_mac);
2358	}
2359}
2360
2361/* RX_MODE verbs: DROP_ALL/ACCEPT_ALL/ACCEPT_ALL_MULTI/ACCEPT_ALL_VLAN/NORMAL */
2362static inline void __storm_memset_mac_filters(struct bxe_softc *sc,
2363			struct tstorm_eth_mac_filter_config *mac_filters,
2364			uint16_t pf_id)
2365{
2366	size_t size = sizeof(struct tstorm_eth_mac_filter_config);
2367
2368	uint32_t addr = BAR_TSTRORM_INTMEM +
2369			TSTORM_MAC_FILTER_CONFIG_OFFSET(pf_id);
2370
2371	ecore_storm_memset_struct(sc, addr, size, (uint32_t *)mac_filters);
2372}
2373
2374static int ecore_set_rx_mode_e1x(struct bxe_softc *sc,
2375				 struct ecore_rx_mode_ramrod_params *p)
2376{
2377	/* update the sc MAC filter structure */
2378	uint32_t mask = (1 << p->cl_id);
2379
2380	struct tstorm_eth_mac_filter_config *mac_filters =
2381		(struct tstorm_eth_mac_filter_config *)p->rdata;
2382
2383	/* initial setting is drop-all */
2384	uint8_t drop_all_ucast = 1, drop_all_mcast = 1;
2385	uint8_t accp_all_ucast = 0, accp_all_bcast = 0, accp_all_mcast = 0;
2386	uint8_t unmatched_unicast = 0;
2387
2388    /* In e1x there we only take into account rx accept flag since tx switching
2389     * isn't enabled. */
2390	if (ECORE_TEST_BIT(ECORE_ACCEPT_UNICAST, &p->rx_accept_flags))
2391		/* accept matched ucast */
2392		drop_all_ucast = 0;
2393
2394	if (ECORE_TEST_BIT(ECORE_ACCEPT_MULTICAST, &p->rx_accept_flags))
2395		/* accept matched mcast */
2396		drop_all_mcast = 0;
2397
2398	if (ECORE_TEST_BIT(ECORE_ACCEPT_ALL_UNICAST, &p->rx_accept_flags)) {
2399		/* accept all mcast */
2400		drop_all_ucast = 0;
2401		accp_all_ucast = 1;
2402	}
2403	if (ECORE_TEST_BIT(ECORE_ACCEPT_ALL_MULTICAST, &p->rx_accept_flags)) {
2404		/* accept all mcast */
2405		drop_all_mcast = 0;
2406		accp_all_mcast = 1;
2407	}
2408	if (ECORE_TEST_BIT(ECORE_ACCEPT_BROADCAST, &p->rx_accept_flags))
2409		/* accept (all) bcast */
2410		accp_all_bcast = 1;
2411	if (ECORE_TEST_BIT(ECORE_ACCEPT_UNMATCHED, &p->rx_accept_flags))
2412		/* accept unmatched unicasts */
2413		unmatched_unicast = 1;
2414
2415	mac_filters->ucast_drop_all = drop_all_ucast ?
2416		mac_filters->ucast_drop_all | mask :
2417		mac_filters->ucast_drop_all & ~mask;
2418
2419	mac_filters->mcast_drop_all = drop_all_mcast ?
2420		mac_filters->mcast_drop_all | mask :
2421		mac_filters->mcast_drop_all & ~mask;
2422
2423	mac_filters->ucast_accept_all = accp_all_ucast ?
2424		mac_filters->ucast_accept_all | mask :
2425		mac_filters->ucast_accept_all & ~mask;
2426
2427	mac_filters->mcast_accept_all = accp_all_mcast ?
2428		mac_filters->mcast_accept_all | mask :
2429		mac_filters->mcast_accept_all & ~mask;
2430
2431	mac_filters->bcast_accept_all = accp_all_bcast ?
2432		mac_filters->bcast_accept_all | mask :
2433		mac_filters->bcast_accept_all & ~mask;
2434
2435	mac_filters->unmatched_unicast = unmatched_unicast ?
2436		mac_filters->unmatched_unicast | mask :
2437		mac_filters->unmatched_unicast & ~mask;
2438
2439	ECORE_MSG(sc, "drop_ucast 0x%x\ndrop_mcast 0x%x\n accp_ucast 0x%x\n"
2440			 "accp_mcast 0x%x\naccp_bcast 0x%x\n",
2441	   mac_filters->ucast_drop_all, mac_filters->mcast_drop_all,
2442	   mac_filters->ucast_accept_all, mac_filters->mcast_accept_all,
2443	   mac_filters->bcast_accept_all);
2444
2445	/* write the MAC filter structure*/
2446	__storm_memset_mac_filters(sc, mac_filters, p->func_id);
2447
2448	/* The operation is completed */
2449	ECORE_CLEAR_BIT(p->state, p->pstate);
2450	ECORE_SMP_MB_AFTER_CLEAR_BIT();
2451
2452	return ECORE_SUCCESS;
2453}
2454
2455/* Setup ramrod data */
2456static inline void ecore_rx_mode_set_rdata_hdr_e2(uint32_t cid,
2457				struct eth_classify_header *hdr,
2458				uint8_t rule_cnt)
2459{
2460	hdr->echo = ECORE_CPU_TO_LE32(cid);
2461	hdr->rule_cnt = rule_cnt;
2462}
2463
2464static inline void ecore_rx_mode_set_cmd_state_e2(struct bxe_softc *sc,
2465				unsigned long *accept_flags,
2466				struct eth_filter_rules_cmd *cmd,
2467				bool clear_accept_all)
2468{
2469	uint16_t state;
2470
2471	/* start with 'drop-all' */
2472	state = ETH_FILTER_RULES_CMD_UCAST_DROP_ALL |
2473		ETH_FILTER_RULES_CMD_MCAST_DROP_ALL;
2474
2475	if (ECORE_TEST_BIT(ECORE_ACCEPT_UNICAST, accept_flags))
2476		state &= ~ETH_FILTER_RULES_CMD_UCAST_DROP_ALL;
2477
2478	if (ECORE_TEST_BIT(ECORE_ACCEPT_MULTICAST, accept_flags))
2479		state &= ~ETH_FILTER_RULES_CMD_MCAST_DROP_ALL;
2480
2481	if (ECORE_TEST_BIT(ECORE_ACCEPT_ALL_UNICAST, accept_flags)) {
2482		state &= ~ETH_FILTER_RULES_CMD_UCAST_DROP_ALL;
2483		state |= ETH_FILTER_RULES_CMD_UCAST_ACCEPT_ALL;
2484	}
2485
2486	if (ECORE_TEST_BIT(ECORE_ACCEPT_ALL_MULTICAST, accept_flags)) {
2487		state |= ETH_FILTER_RULES_CMD_MCAST_ACCEPT_ALL;
2488		state &= ~ETH_FILTER_RULES_CMD_MCAST_DROP_ALL;
2489	}
2490	if (ECORE_TEST_BIT(ECORE_ACCEPT_BROADCAST, accept_flags))
2491		state |= ETH_FILTER_RULES_CMD_BCAST_ACCEPT_ALL;
2492
2493	if (ECORE_TEST_BIT(ECORE_ACCEPT_UNMATCHED, accept_flags)) {
2494		state &= ~ETH_FILTER_RULES_CMD_UCAST_DROP_ALL;
2495		state |= ETH_FILTER_RULES_CMD_UCAST_ACCEPT_UNMATCHED;
2496	}
2497	if (ECORE_TEST_BIT(ECORE_ACCEPT_ANY_VLAN, accept_flags))
2498		state |= ETH_FILTER_RULES_CMD_ACCEPT_ANY_VLAN;
2499
2500	/* Clear ACCEPT_ALL_XXX flags for FCoE L2 Queue */
2501	if (clear_accept_all) {
2502		state &= ~ETH_FILTER_RULES_CMD_MCAST_ACCEPT_ALL;
2503		state &= ~ETH_FILTER_RULES_CMD_BCAST_ACCEPT_ALL;
2504		state &= ~ETH_FILTER_RULES_CMD_UCAST_ACCEPT_ALL;
2505		state &= ~ETH_FILTER_RULES_CMD_UCAST_ACCEPT_UNMATCHED;
2506	}
2507
2508	cmd->state = ECORE_CPU_TO_LE16(state);
2509}
2510
2511static int ecore_set_rx_mode_e2(struct bxe_softc *sc,
2512				struct ecore_rx_mode_ramrod_params *p)
2513{
2514	struct eth_filter_rules_ramrod_data *data = p->rdata;
2515	int rc;
2516	uint8_t rule_idx = 0;
2517
2518	/* Reset the ramrod data buffer */
2519	ECORE_MEMSET(data, 0, sizeof(*data));
2520
2521	/* Setup ramrod data */
2522
2523	/* Tx (internal switching) */
2524	if (ECORE_TEST_BIT(RAMROD_TX, &p->ramrod_flags)) {
2525		data->rules[rule_idx].client_id = p->cl_id;
2526		data->rules[rule_idx].func_id = p->func_id;
2527
2528		data->rules[rule_idx].cmd_general_data =
2529			ETH_FILTER_RULES_CMD_TX_CMD;
2530
2531		ecore_rx_mode_set_cmd_state_e2(sc, &p->tx_accept_flags,
2532			&(data->rules[rule_idx++]), FALSE);
2533	}
2534
2535	/* Rx */
2536	if (ECORE_TEST_BIT(RAMROD_RX, &p->ramrod_flags)) {
2537		data->rules[rule_idx].client_id = p->cl_id;
2538		data->rules[rule_idx].func_id = p->func_id;
2539
2540		data->rules[rule_idx].cmd_general_data =
2541			ETH_FILTER_RULES_CMD_RX_CMD;
2542
2543		ecore_rx_mode_set_cmd_state_e2(sc, &p->rx_accept_flags,
2544			&(data->rules[rule_idx++]), FALSE);
2545	}
2546
2547	/* If FCoE Queue configuration has been requested configure the Rx and
2548	 * internal switching modes for this queue in separate rules.
2549	 *
2550	 * FCoE queue shell never be set to ACCEPT_ALL packets of any sort:
2551	 * MCAST_ALL, UCAST_ALL, BCAST_ALL and UNMATCHED.
2552	 */
2553	if (ECORE_TEST_BIT(ECORE_RX_MODE_FCOE_ETH, &p->rx_mode_flags)) {
2554		/*  Tx (internal switching) */
2555		if (ECORE_TEST_BIT(RAMROD_TX, &p->ramrod_flags)) {
2556			data->rules[rule_idx].client_id = ECORE_FCOE_CID(sc);
2557			data->rules[rule_idx].func_id = p->func_id;
2558
2559			data->rules[rule_idx].cmd_general_data =
2560						ETH_FILTER_RULES_CMD_TX_CMD;
2561
2562			ecore_rx_mode_set_cmd_state_e2(sc,
2563							 &p->tx_accept_flags,
2564						     &(data->rules[rule_idx++]),
2565						       TRUE);
2566		}
2567
2568		/* Rx */
2569		if (ECORE_TEST_BIT(RAMROD_RX, &p->ramrod_flags)) {
2570			data->rules[rule_idx].client_id = ECORE_FCOE_CID(sc);
2571			data->rules[rule_idx].func_id = p->func_id;
2572
2573			data->rules[rule_idx].cmd_general_data =
2574						ETH_FILTER_RULES_CMD_RX_CMD;
2575
2576			ecore_rx_mode_set_cmd_state_e2(sc,
2577							 &p->rx_accept_flags,
2578						     &(data->rules[rule_idx++]),
2579						       TRUE);
2580		}
2581	}
2582
2583	/* Set the ramrod header (most importantly - number of rules to
2584	 * configure).
2585	 */
2586	ecore_rx_mode_set_rdata_hdr_e2(p->cid, &data->header, rule_idx);
2587
2588	ECORE_MSG(sc, "About to configure %d rules, rx_accept_flags 0x%lx, tx_accept_flags 0x%lx\n",
2589		  data->header.rule_cnt, p->rx_accept_flags,
2590		  p->tx_accept_flags);
2591
2592	/* No need for an explicit memory barrier here as long we would
2593	 * need to ensure the ordering of writing to the SPQ element
2594	 * and updating of the SPQ producer which involves a memory
2595	 * read and we will have to put a full memory barrier there
2596	 * (inside ecore_sp_post()).
2597	 */
2598
2599	/* Send a ramrod */
2600	rc = ecore_sp_post(sc,
2601			   RAMROD_CMD_ID_ETH_FILTER_RULES,
2602			   p->cid,
2603			   p->rdata_mapping,
2604			   ETH_CONNECTION_TYPE);
2605	if (rc)
2606		return rc;
2607
2608	/* Ramrod completion is pending */
2609	return ECORE_PENDING;
2610}
2611
2612static int ecore_wait_rx_mode_comp_e2(struct bxe_softc *sc,
2613				      struct ecore_rx_mode_ramrod_params *p)
2614{
2615	return ecore_state_wait(sc, p->state, p->pstate);
2616}
2617
2618static int ecore_empty_rx_mode_wait(struct bxe_softc *sc,
2619				    struct ecore_rx_mode_ramrod_params *p)
2620{
2621	/* Do nothing */
2622	return ECORE_SUCCESS;
2623}
2624
2625int ecore_config_rx_mode(struct bxe_softc *sc,
2626			 struct ecore_rx_mode_ramrod_params *p)
2627{
2628	int rc;
2629
2630	/* Configure the new classification in the chip */
2631	rc = p->rx_mode_obj->config_rx_mode(sc, p);
2632	if (rc < 0)
2633		return rc;
2634
2635	/* Wait for a ramrod completion if was requested */
2636	if (ECORE_TEST_BIT(RAMROD_COMP_WAIT, &p->ramrod_flags)) {
2637		rc = p->rx_mode_obj->wait_comp(sc, p);
2638		if (rc)
2639			return rc;
2640	}
2641
2642	return rc;
2643}
2644
2645void ecore_init_rx_mode_obj(struct bxe_softc *sc,
2646			    struct ecore_rx_mode_obj *o)
2647{
2648	if (CHIP_IS_E1x(sc)) {
2649		o->wait_comp      = ecore_empty_rx_mode_wait;
2650		o->config_rx_mode = ecore_set_rx_mode_e1x;
2651	} else {
2652		o->wait_comp      = ecore_wait_rx_mode_comp_e2;
2653		o->config_rx_mode = ecore_set_rx_mode_e2;
2654	}
2655}
2656
2657/********************* Multicast verbs: SET, CLEAR ****************************/
2658static inline uint8_t ecore_mcast_bin_from_mac(uint8_t *mac)
2659{
2660	return (ECORE_CRC32_LE(0, mac, ETH_ALEN) >> 24) & 0xff;
2661}
2662
2663struct ecore_mcast_mac_elem {
2664	ecore_list_entry_t link;
2665	uint8_t mac[ETH_ALEN];
2666	uint8_t pad[2]; /* For a natural alignment of the following buffer */
2667};
2668
2669struct ecore_pending_mcast_cmd {
2670	ecore_list_entry_t link;
2671	int type; /* ECORE_MCAST_CMD_X */
2672	union {
2673		ecore_list_t macs_head;
2674		uint32_t macs_num; /* Needed for DEL command */
2675		int next_bin; /* Needed for RESTORE flow with aprox match */
2676	} data;
2677
2678	bool done; /* set to TRUE, when the command has been handled,
2679		    * practically used in 57712 handling only, where one pending
2680		    * command may be handled in a few operations. As long as for
2681		    * other chips every operation handling is completed in a
2682		    * single ramrod, there is no need to utilize this field.
2683		    */
2684};
2685
2686static int ecore_mcast_wait(struct bxe_softc *sc,
2687			    struct ecore_mcast_obj *o)
2688{
2689	if (ecore_state_wait(sc, o->sched_state, o->raw.pstate) ||
2690			o->raw.wait_comp(sc, &o->raw))
2691		return ECORE_TIMEOUT;
2692
2693	return ECORE_SUCCESS;
2694}
2695
2696static int ecore_mcast_enqueue_cmd(struct bxe_softc *sc,
2697				   struct ecore_mcast_obj *o,
2698				   struct ecore_mcast_ramrod_params *p,
2699				   enum ecore_mcast_cmd cmd)
2700{
2701	int total_sz;
2702	struct ecore_pending_mcast_cmd *new_cmd;
2703	struct ecore_mcast_mac_elem *cur_mac = NULL;
2704	struct ecore_mcast_list_elem *pos;
2705	int macs_list_len = ((cmd == ECORE_MCAST_CMD_ADD) ?
2706			     p->mcast_list_len : 0);
2707
2708	/* If the command is empty ("handle pending commands only"), break */
2709	if (!p->mcast_list_len)
2710		return ECORE_SUCCESS;
2711
2712	total_sz = sizeof(*new_cmd) +
2713		macs_list_len * sizeof(struct ecore_mcast_mac_elem);
2714
2715	/* Add mcast is called under spin_lock, thus calling with GFP_ATOMIC */
2716	new_cmd = ECORE_ZALLOC(total_sz, GFP_ATOMIC, sc);
2717
2718	if (!new_cmd)
2719		return ECORE_NOMEM;
2720
2721	ECORE_MSG(sc, "About to enqueue a new %d command. macs_list_len=%d\n", \
2722		  cmd, macs_list_len);
2723
2724	ECORE_LIST_INIT(&new_cmd->data.macs_head);
2725
2726	new_cmd->type = cmd;
2727	new_cmd->done = FALSE;
2728
2729	switch (cmd) {
2730	case ECORE_MCAST_CMD_ADD:
2731		cur_mac = (struct ecore_mcast_mac_elem *)
2732			  ((uint8_t *)new_cmd + sizeof(*new_cmd));
2733
2734		/* Push the MACs of the current command into the pending command
2735		 * MACs list: FIFO
2736		 */
2737		ECORE_LIST_FOR_EACH_ENTRY(pos, &p->mcast_list, link,
2738					  struct ecore_mcast_list_elem) {
2739			ECORE_MEMCPY(cur_mac->mac, pos->mac, ETH_ALEN);
2740			ECORE_LIST_PUSH_TAIL(&cur_mac->link,
2741					     &new_cmd->data.macs_head);
2742			cur_mac++;
2743		}
2744
2745		break;
2746
2747	case ECORE_MCAST_CMD_DEL:
2748		new_cmd->data.macs_num = p->mcast_list_len;
2749		break;
2750
2751	case ECORE_MCAST_CMD_RESTORE:
2752		new_cmd->data.next_bin = 0;
2753		break;
2754
2755	default:
2756		ECORE_FREE(sc, new_cmd, total_sz);
2757		ECORE_ERR("Unknown command: %d\n", cmd);
2758		return ECORE_INVAL;
2759	}
2760
2761	/* Push the new pending command to the tail of the pending list: FIFO */
2762	ECORE_LIST_PUSH_TAIL(&new_cmd->link, &o->pending_cmds_head);
2763
2764	o->set_sched(o);
2765
2766	return ECORE_PENDING;
2767}
2768
2769/**
2770 * ecore_mcast_get_next_bin - get the next set bin (index)
2771 *
2772 * @o:
2773 * @last:	index to start looking from (including)
2774 *
2775 * returns the next found (set) bin or a negative value if none is found.
2776 */
2777static inline int ecore_mcast_get_next_bin(struct ecore_mcast_obj *o, int last)
2778{
2779	int i, j, inner_start = last % BIT_VEC64_ELEM_SZ;
2780
2781	for (i = last / BIT_VEC64_ELEM_SZ; i < ECORE_MCAST_VEC_SZ; i++) {
2782		if (o->registry.aprox_match.vec[i])
2783			for (j = inner_start; j < BIT_VEC64_ELEM_SZ; j++) {
2784				int cur_bit = j + BIT_VEC64_ELEM_SZ * i;
2785				if (BIT_VEC64_TEST_BIT(o->registry.aprox_match.
2786						       vec, cur_bit)) {
2787					return cur_bit;
2788				}
2789			}
2790		inner_start = 0;
2791	}
2792
2793	/* None found */
2794	return -1;
2795}
2796
2797/**
2798 * ecore_mcast_clear_first_bin - find the first set bin and clear it
2799 *
2800 * @o:
2801 *
2802 * returns the index of the found bin or -1 if none is found
2803 */
2804static inline int ecore_mcast_clear_first_bin(struct ecore_mcast_obj *o)
2805{
2806	int cur_bit = ecore_mcast_get_next_bin(o, 0);
2807
2808	if (cur_bit >= 0)
2809		BIT_VEC64_CLEAR_BIT(o->registry.aprox_match.vec, cur_bit);
2810
2811	return cur_bit;
2812}
2813
2814static inline uint8_t ecore_mcast_get_rx_tx_flag(struct ecore_mcast_obj *o)
2815{
2816	struct ecore_raw_obj *raw = &o->raw;
2817	uint8_t rx_tx_flag = 0;
2818
2819	if ((raw->obj_type == ECORE_OBJ_TYPE_TX) ||
2820	    (raw->obj_type == ECORE_OBJ_TYPE_RX_TX))
2821		rx_tx_flag |= ETH_MULTICAST_RULES_CMD_TX_CMD;
2822
2823	if ((raw->obj_type == ECORE_OBJ_TYPE_RX) ||
2824	    (raw->obj_type == ECORE_OBJ_TYPE_RX_TX))
2825		rx_tx_flag |= ETH_MULTICAST_RULES_CMD_RX_CMD;
2826
2827	return rx_tx_flag;
2828}
2829
2830static void ecore_mcast_set_one_rule_e2(struct bxe_softc *sc,
2831					struct ecore_mcast_obj *o, int idx,
2832					union ecore_mcast_config_data *cfg_data,
2833					enum ecore_mcast_cmd cmd)
2834{
2835	struct ecore_raw_obj *r = &o->raw;
2836	struct eth_multicast_rules_ramrod_data *data =
2837		(struct eth_multicast_rules_ramrod_data *)(r->rdata);
2838	uint8_t func_id = r->func_id;
2839	uint8_t rx_tx_add_flag = ecore_mcast_get_rx_tx_flag(o);
2840	int bin;
2841
2842	if ((cmd == ECORE_MCAST_CMD_ADD) || (cmd == ECORE_MCAST_CMD_RESTORE))
2843		rx_tx_add_flag |= ETH_MULTICAST_RULES_CMD_IS_ADD;
2844
2845	data->rules[idx].cmd_general_data |= rx_tx_add_flag;
2846
2847	/* Get a bin and update a bins' vector */
2848	switch (cmd) {
2849	case ECORE_MCAST_CMD_ADD:
2850		bin = ecore_mcast_bin_from_mac(cfg_data->mac);
2851		BIT_VEC64_SET_BIT(o->registry.aprox_match.vec, bin);
2852		break;
2853
2854	case ECORE_MCAST_CMD_DEL:
2855		/* If there were no more bins to clear
2856		 * (ecore_mcast_clear_first_bin() returns -1) then we would
2857		 * clear any (0xff) bin.
2858		 * See ecore_mcast_validate_e2() for explanation when it may
2859		 * happen.
2860		 */
2861		bin = ecore_mcast_clear_first_bin(o);
2862		break;
2863
2864	case ECORE_MCAST_CMD_RESTORE:
2865		bin = cfg_data->bin;
2866		break;
2867
2868	default:
2869		ECORE_ERR("Unknown command: %d\n", cmd);
2870		return;
2871	}
2872
2873	ECORE_MSG(sc, "%s bin %d\n",
2874		  ((rx_tx_add_flag & ETH_MULTICAST_RULES_CMD_IS_ADD) ?
2875		   "Setting"  : "Clearing"), bin);
2876
2877	data->rules[idx].bin_id    = (uint8_t)bin;
2878	data->rules[idx].func_id   = func_id;
2879	data->rules[idx].engine_id = o->engine_id;
2880}
2881
2882/**
2883 * ecore_mcast_handle_restore_cmd_e2 - restore configuration from the registry
2884 *
2885 * @sc:		device handle
2886 * @o:
2887 * @start_bin:	index in the registry to start from (including)
2888 * @rdata_idx:	index in the ramrod data to start from
2889 *
2890 * returns last handled bin index or -1 if all bins have been handled
2891 */
2892static inline int ecore_mcast_handle_restore_cmd_e2(
2893	struct bxe_softc *sc, struct ecore_mcast_obj *o , int start_bin,
2894	int *rdata_idx)
2895{
2896	int cur_bin, cnt = *rdata_idx;
2897	union ecore_mcast_config_data cfg_data = {NULL};
2898
2899	/* go through the registry and configure the bins from it */
2900	for (cur_bin = ecore_mcast_get_next_bin(o, start_bin); cur_bin >= 0;
2901	    cur_bin = ecore_mcast_get_next_bin(o, cur_bin + 1)) {
2902
2903		cfg_data.bin = (uint8_t)cur_bin;
2904		o->set_one_rule(sc, o, cnt, &cfg_data,
2905				ECORE_MCAST_CMD_RESTORE);
2906
2907		cnt++;
2908
2909		ECORE_MSG(sc, "About to configure a bin %d\n", cur_bin);
2910
2911		/* Break if we reached the maximum number
2912		 * of rules.
2913		 */
2914		if (cnt >= o->max_cmd_len)
2915			break;
2916	}
2917
2918	*rdata_idx = cnt;
2919
2920	return cur_bin;
2921}
2922
2923static inline void ecore_mcast_hdl_pending_add_e2(struct bxe_softc *sc,
2924	struct ecore_mcast_obj *o, struct ecore_pending_mcast_cmd *cmd_pos,
2925	int *line_idx)
2926{
2927	struct ecore_mcast_mac_elem *pmac_pos, *pmac_pos_n;
2928	int cnt = *line_idx;
2929	union ecore_mcast_config_data cfg_data = {NULL};
2930
2931	ECORE_LIST_FOR_EACH_ENTRY_SAFE(pmac_pos, pmac_pos_n,
2932		&cmd_pos->data.macs_head, link, struct ecore_mcast_mac_elem) {
2933
2934		cfg_data.mac = &pmac_pos->mac[0];
2935		o->set_one_rule(sc, o, cnt, &cfg_data, cmd_pos->type);
2936
2937		cnt++;
2938
2939		ECORE_MSG(sc, "About to configure %02x:%02x:%02x:%02x:%02x:%02x mcast MAC\n",
2940			  pmac_pos->mac[0], pmac_pos->mac[1], pmac_pos->mac[2], pmac_pos->mac[3], pmac_pos->mac[4], pmac_pos->mac[5]);
2941
2942		ECORE_LIST_REMOVE_ENTRY(&pmac_pos->link,
2943					&cmd_pos->data.macs_head);
2944
2945		/* Break if we reached the maximum number
2946		 * of rules.
2947		 */
2948		if (cnt >= o->max_cmd_len)
2949			break;
2950	}
2951
2952	*line_idx = cnt;
2953
2954	/* if no more MACs to configure - we are done */
2955	if (ECORE_LIST_IS_EMPTY(&cmd_pos->data.macs_head))
2956		cmd_pos->done = TRUE;
2957}
2958
2959static inline void ecore_mcast_hdl_pending_del_e2(struct bxe_softc *sc,
2960	struct ecore_mcast_obj *o, struct ecore_pending_mcast_cmd *cmd_pos,
2961	int *line_idx)
2962{
2963	int cnt = *line_idx;
2964
2965	while (cmd_pos->data.macs_num) {
2966		o->set_one_rule(sc, o, cnt, NULL, cmd_pos->type);
2967
2968		cnt++;
2969
2970		cmd_pos->data.macs_num--;
2971
2972		  ECORE_MSG(sc, "Deleting MAC. %d left,cnt is %d\n",
2973				  cmd_pos->data.macs_num, cnt);
2974
2975		/* Break if we reached the maximum
2976		 * number of rules.
2977		 */
2978		if (cnt >= o->max_cmd_len)
2979			break;
2980	}
2981
2982	*line_idx = cnt;
2983
2984	/* If we cleared all bins - we are done */
2985	if (!cmd_pos->data.macs_num)
2986		cmd_pos->done = TRUE;
2987}
2988
2989static inline void ecore_mcast_hdl_pending_restore_e2(struct bxe_softc *sc,
2990	struct ecore_mcast_obj *o, struct ecore_pending_mcast_cmd *cmd_pos,
2991	int *line_idx)
2992{
2993	cmd_pos->data.next_bin = o->hdl_restore(sc, o, cmd_pos->data.next_bin,
2994						line_idx);
2995
2996	if (cmd_pos->data.next_bin < 0)
2997		/* If o->set_restore returned -1 we are done */
2998		cmd_pos->done = TRUE;
2999	else
3000		/* Start from the next bin next time */
3001		cmd_pos->data.next_bin++;
3002}
3003
3004static inline int ecore_mcast_handle_pending_cmds_e2(struct bxe_softc *sc,
3005				struct ecore_mcast_ramrod_params *p)
3006{
3007	struct ecore_pending_mcast_cmd *cmd_pos, *cmd_pos_n;
3008	int cnt = 0;
3009	struct ecore_mcast_obj *o = p->mcast_obj;
3010
3011	ECORE_LIST_FOR_EACH_ENTRY_SAFE(cmd_pos, cmd_pos_n,
3012		&o->pending_cmds_head, link, struct ecore_pending_mcast_cmd) {
3013		switch (cmd_pos->type) {
3014		case ECORE_MCAST_CMD_ADD:
3015			ecore_mcast_hdl_pending_add_e2(sc, o, cmd_pos, &cnt);
3016			break;
3017
3018		case ECORE_MCAST_CMD_DEL:
3019			ecore_mcast_hdl_pending_del_e2(sc, o, cmd_pos, &cnt);
3020			break;
3021
3022		case ECORE_MCAST_CMD_RESTORE:
3023			ecore_mcast_hdl_pending_restore_e2(sc, o, cmd_pos,
3024							   &cnt);
3025			break;
3026
3027		default:
3028			ECORE_ERR("Unknown command: %d\n", cmd_pos->type);
3029			return ECORE_INVAL;
3030		}
3031
3032		/* If the command has been completed - remove it from the list
3033		 * and free the memory
3034		 */
3035		if (cmd_pos->done) {
3036			ECORE_LIST_REMOVE_ENTRY(&cmd_pos->link,
3037						&o->pending_cmds_head);
3038			ECORE_FREE(sc, cmd_pos, cmd_pos->alloc_len);
3039		}
3040
3041		/* Break if we reached the maximum number of rules */
3042		if (cnt >= o->max_cmd_len)
3043			break;
3044	}
3045
3046	return cnt;
3047}
3048
3049static inline void ecore_mcast_hdl_add(struct bxe_softc *sc,
3050	struct ecore_mcast_obj *o, struct ecore_mcast_ramrod_params *p,
3051	int *line_idx)
3052{
3053	struct ecore_mcast_list_elem *mlist_pos;
3054	union ecore_mcast_config_data cfg_data = {NULL};
3055	int cnt = *line_idx;
3056
3057	ECORE_LIST_FOR_EACH_ENTRY(mlist_pos, &p->mcast_list, link,
3058				  struct ecore_mcast_list_elem) {
3059		cfg_data.mac = mlist_pos->mac;
3060		o->set_one_rule(sc, o, cnt, &cfg_data, ECORE_MCAST_CMD_ADD);
3061
3062		cnt++;
3063
3064		ECORE_MSG(sc, "About to configure %02x:%02x:%02x:%02x:%02x:%02x mcast MAC\n",
3065			  mlist_pos->mac[0], mlist_pos->mac[1], mlist_pos->mac[2], mlist_pos->mac[3], mlist_pos->mac[4], mlist_pos->mac[5]);
3066	}
3067
3068	*line_idx = cnt;
3069}
3070
3071static inline void ecore_mcast_hdl_del(struct bxe_softc *sc,
3072	struct ecore_mcast_obj *o, struct ecore_mcast_ramrod_params *p,
3073	int *line_idx)
3074{
3075	int cnt = *line_idx, i;
3076
3077	for (i = 0; i < p->mcast_list_len; i++) {
3078		o->set_one_rule(sc, o, cnt, NULL, ECORE_MCAST_CMD_DEL);
3079
3080		cnt++;
3081
3082		ECORE_MSG(sc, "Deleting MAC. %d left\n",
3083			  p->mcast_list_len - i - 1);
3084	}
3085
3086	*line_idx = cnt;
3087}
3088
3089/**
3090 * ecore_mcast_handle_current_cmd -
3091 *
3092 * @sc:		device handle
3093 * @p:
3094 * @cmd:
3095 * @start_cnt:	first line in the ramrod data that may be used
3096 *
3097 * This function is called iff there is enough place for the current command in
3098 * the ramrod data.
3099 * Returns number of lines filled in the ramrod data in total.
3100 */
3101static inline int ecore_mcast_handle_current_cmd(struct bxe_softc *sc,
3102			struct ecore_mcast_ramrod_params *p,
3103			enum ecore_mcast_cmd cmd,
3104			int start_cnt)
3105{
3106	struct ecore_mcast_obj *o = p->mcast_obj;
3107	int cnt = start_cnt;
3108
3109	ECORE_MSG(sc, "p->mcast_list_len=%d\n", p->mcast_list_len);
3110
3111	switch (cmd) {
3112	case ECORE_MCAST_CMD_ADD:
3113		ecore_mcast_hdl_add(sc, o, p, &cnt);
3114		break;
3115
3116	case ECORE_MCAST_CMD_DEL:
3117		ecore_mcast_hdl_del(sc, o, p, &cnt);
3118		break;
3119
3120	case ECORE_MCAST_CMD_RESTORE:
3121		o->hdl_restore(sc, o, 0, &cnt);
3122		break;
3123
3124	default:
3125		ECORE_ERR("Unknown command: %d\n", cmd);
3126		return ECORE_INVAL;
3127	}
3128
3129	/* The current command has been handled */
3130	p->mcast_list_len = 0;
3131
3132	return cnt;
3133}
3134
3135static int ecore_mcast_validate_e2(struct bxe_softc *sc,
3136				   struct ecore_mcast_ramrod_params *p,
3137				   enum ecore_mcast_cmd cmd)
3138{
3139	struct ecore_mcast_obj *o = p->mcast_obj;
3140	int reg_sz = o->get_registry_size(o);
3141
3142	switch (cmd) {
3143	/* DEL command deletes all currently configured MACs */
3144	case ECORE_MCAST_CMD_DEL:
3145		o->set_registry_size(o, 0);
3146		/* Don't break */
3147
3148	/* RESTORE command will restore the entire multicast configuration */
3149	case ECORE_MCAST_CMD_RESTORE:
3150		/* Here we set the approximate amount of work to do, which in
3151		 * fact may be only less as some MACs in postponed ADD
3152		 * command(s) scheduled before this command may fall into
3153		 * the same bin and the actual number of bins set in the
3154		 * registry would be less than we estimated here. See
3155		 * ecore_mcast_set_one_rule_e2() for further details.
3156		 */
3157		p->mcast_list_len = reg_sz;
3158		break;
3159
3160	case ECORE_MCAST_CMD_ADD:
3161	case ECORE_MCAST_CMD_CONT:
3162		/* Here we assume that all new MACs will fall into new bins.
3163		 * However we will correct the real registry size after we
3164		 * handle all pending commands.
3165		 */
3166		o->set_registry_size(o, reg_sz + p->mcast_list_len);
3167		break;
3168
3169	default:
3170		ECORE_ERR("Unknown command: %d\n", cmd);
3171		return ECORE_INVAL;
3172	}
3173
3174	/* Increase the total number of MACs pending to be configured */
3175	o->total_pending_num += p->mcast_list_len;
3176
3177	return ECORE_SUCCESS;
3178}
3179
3180static void ecore_mcast_revert_e2(struct bxe_softc *sc,
3181				      struct ecore_mcast_ramrod_params *p,
3182				      int old_num_bins)
3183{
3184	struct ecore_mcast_obj *o = p->mcast_obj;
3185
3186	o->set_registry_size(o, old_num_bins);
3187	o->total_pending_num -= p->mcast_list_len;
3188}
3189
3190/**
3191 * ecore_mcast_set_rdata_hdr_e2 - sets a header values
3192 *
3193 * @sc:		device handle
3194 * @p:
3195 * @len:	number of rules to handle
3196 */
3197static inline void ecore_mcast_set_rdata_hdr_e2(struct bxe_softc *sc,
3198					struct ecore_mcast_ramrod_params *p,
3199					uint8_t len)
3200{
3201	struct ecore_raw_obj *r = &p->mcast_obj->raw;
3202	struct eth_multicast_rules_ramrod_data *data =
3203		(struct eth_multicast_rules_ramrod_data *)(r->rdata);
3204
3205	data->header.echo = ECORE_CPU_TO_LE32((r->cid & ECORE_SWCID_MASK) |
3206					(ECORE_FILTER_MCAST_PENDING <<
3207					 ECORE_SWCID_SHIFT));
3208	data->header.rule_cnt = len;
3209}
3210
3211/**
3212 * ecore_mcast_refresh_registry_e2 - recalculate the actual number of set bins
3213 *
3214 * @sc:		device handle
3215 * @o:
3216 *
3217 * Recalculate the actual number of set bins in the registry using Brian
3218 * Kernighan's algorithm: it's execution complexity is as a number of set bins.
3219 *
3220 * returns 0 for the compliance with ecore_mcast_refresh_registry_e1().
3221 */
3222static inline int ecore_mcast_refresh_registry_e2(struct bxe_softc *sc,
3223						  struct ecore_mcast_obj *o)
3224{
3225	int i, cnt = 0;
3226	uint64_t elem;
3227
3228	for (i = 0; i < ECORE_MCAST_VEC_SZ; i++) {
3229		elem = o->registry.aprox_match.vec[i];
3230		for (; elem; cnt++)
3231			elem &= elem - 1;
3232	}
3233
3234	o->set_registry_size(o, cnt);
3235
3236	return ECORE_SUCCESS;
3237}
3238
3239static int ecore_mcast_setup_e2(struct bxe_softc *sc,
3240				struct ecore_mcast_ramrod_params *p,
3241				enum ecore_mcast_cmd cmd)
3242{
3243	struct ecore_raw_obj *raw = &p->mcast_obj->raw;
3244	struct ecore_mcast_obj *o = p->mcast_obj;
3245	struct eth_multicast_rules_ramrod_data *data =
3246		(struct eth_multicast_rules_ramrod_data *)(raw->rdata);
3247	int cnt = 0, rc;
3248
3249	/* Reset the ramrod data buffer */
3250	ECORE_MEMSET(data, 0, sizeof(*data));
3251
3252	cnt = ecore_mcast_handle_pending_cmds_e2(sc, p);
3253
3254	/* If there are no more pending commands - clear SCHEDULED state */
3255	if (ECORE_LIST_IS_EMPTY(&o->pending_cmds_head))
3256		o->clear_sched(o);
3257
3258	/* The below may be TRUE iff there was enough room in ramrod
3259	 * data for all pending commands and for the current
3260	 * command. Otherwise the current command would have been added
3261	 * to the pending commands and p->mcast_list_len would have been
3262	 * zeroed.
3263	 */
3264	if (p->mcast_list_len > 0)
3265		cnt = ecore_mcast_handle_current_cmd(sc, p, cmd, cnt);
3266
3267	/* We've pulled out some MACs - update the total number of
3268	 * outstanding.
3269	 */
3270	o->total_pending_num -= cnt;
3271
3272	/* send a ramrod */
3273	ECORE_DBG_BREAK_IF(o->total_pending_num < 0);
3274	ECORE_DBG_BREAK_IF(cnt > o->max_cmd_len);
3275
3276	ecore_mcast_set_rdata_hdr_e2(sc, p, (uint8_t)cnt);
3277
3278	/* Update a registry size if there are no more pending operations.
3279	 *
3280	 * We don't want to change the value of the registry size if there are
3281	 * pending operations because we want it to always be equal to the
3282	 * exact or the approximate number (see ecore_mcast_validate_e2()) of
3283	 * set bins after the last requested operation in order to properly
3284	 * evaluate the size of the next DEL/RESTORE operation.
3285	 *
3286	 * Note that we update the registry itself during command(s) handling
3287	 * - see ecore_mcast_set_one_rule_e2(). That's because for 57712 we
3288	 * aggregate multiple commands (ADD/DEL/RESTORE) into one ramrod but
3289	 * with a limited amount of update commands (per MAC/bin) and we don't
3290	 * know in this scope what the actual state of bins configuration is
3291	 * going to be after this ramrod.
3292	 */
3293	if (!o->total_pending_num)
3294		ecore_mcast_refresh_registry_e2(sc, o);
3295
3296	/* If CLEAR_ONLY was requested - don't send a ramrod and clear
3297	 * RAMROD_PENDING status immediately.
3298	 */
3299	if (ECORE_TEST_BIT(RAMROD_DRV_CLR_ONLY, &p->ramrod_flags)) {
3300		raw->clear_pending(raw);
3301		return ECORE_SUCCESS;
3302	} else {
3303		/* No need for an explicit memory barrier here as long we would
3304		 * need to ensure the ordering of writing to the SPQ element
3305		 * and updating of the SPQ producer which involves a memory
3306		 * read and we will have to put a full memory barrier there
3307		 * (inside ecore_sp_post()).
3308		 */
3309
3310		/* Send a ramrod */
3311		rc = ecore_sp_post( sc,
3312				    RAMROD_CMD_ID_ETH_MULTICAST_RULES,
3313				    raw->cid,
3314				    raw->rdata_mapping,
3315				    ETH_CONNECTION_TYPE);
3316		if (rc)
3317			return rc;
3318
3319		/* Ramrod completion is pending */
3320		return ECORE_PENDING;
3321	}
3322}
3323
3324static int ecore_mcast_validate_e1h(struct bxe_softc *sc,
3325				    struct ecore_mcast_ramrod_params *p,
3326				    enum ecore_mcast_cmd cmd)
3327{
3328	/* Mark, that there is a work to do */
3329	if ((cmd == ECORE_MCAST_CMD_DEL) || (cmd == ECORE_MCAST_CMD_RESTORE))
3330		p->mcast_list_len = 1;
3331
3332	return ECORE_SUCCESS;
3333}
3334
3335static void ecore_mcast_revert_e1h(struct bxe_softc *sc,
3336				       struct ecore_mcast_ramrod_params *p,
3337				       int old_num_bins)
3338{
3339	/* Do nothing */
3340}
3341
3342#define ECORE_57711_SET_MC_FILTER(filter, bit) \
3343do { \
3344	(filter)[(bit) >> 5] |= (1 << ((bit) & 0x1f)); \
3345} while (0)
3346
3347static inline void ecore_mcast_hdl_add_e1h(struct bxe_softc *sc,
3348					   struct ecore_mcast_obj *o,
3349					   struct ecore_mcast_ramrod_params *p,
3350					   uint32_t *mc_filter)
3351{
3352	struct ecore_mcast_list_elem *mlist_pos;
3353	int bit;
3354
3355	ECORE_LIST_FOR_EACH_ENTRY(mlist_pos, &p->mcast_list, link,
3356				  struct ecore_mcast_list_elem) {
3357		bit = ecore_mcast_bin_from_mac(mlist_pos->mac);
3358		ECORE_57711_SET_MC_FILTER(mc_filter, bit);
3359
3360		ECORE_MSG(sc, "About to configure %02x:%02x:%02x:%02x:%02x:%02x mcast MAC, bin %d\n",
3361			  mlist_pos->mac[0], mlist_pos->mac[1], mlist_pos->mac[2], mlist_pos->mac[3], mlist_pos->mac[4], mlist_pos->mac[5], bit);
3362
3363		/* bookkeeping... */
3364		BIT_VEC64_SET_BIT(o->registry.aprox_match.vec,
3365				  bit);
3366	}
3367}
3368
3369static inline void ecore_mcast_hdl_restore_e1h(struct bxe_softc *sc,
3370	struct ecore_mcast_obj *o, struct ecore_mcast_ramrod_params *p,
3371	uint32_t *mc_filter)
3372{
3373	int bit;
3374
3375	for (bit = ecore_mcast_get_next_bin(o, 0);
3376	     bit >= 0;
3377	     bit = ecore_mcast_get_next_bin(o, bit + 1)) {
3378		ECORE_57711_SET_MC_FILTER(mc_filter, bit);
3379		ECORE_MSG(sc, "About to set bin %d\n", bit);
3380	}
3381}
3382
3383/* On 57711 we write the multicast MACs' approximate match
3384 * table by directly into the TSTORM's internal RAM. So we don't
3385 * really need to handle any tricks to make it work.
3386 */
3387static int ecore_mcast_setup_e1h(struct bxe_softc *sc,
3388				 struct ecore_mcast_ramrod_params *p,
3389				 enum ecore_mcast_cmd cmd)
3390{
3391	int i;
3392	struct ecore_mcast_obj *o = p->mcast_obj;
3393	struct ecore_raw_obj *r = &o->raw;
3394
3395	/* If CLEAR_ONLY has been requested - clear the registry
3396	 * and clear a pending bit.
3397	 */
3398	if (!ECORE_TEST_BIT(RAMROD_DRV_CLR_ONLY, &p->ramrod_flags)) {
3399		uint32_t mc_filter[ECORE_MC_HASH_SIZE] = {0};
3400
3401		/* Set the multicast filter bits before writing it into
3402		 * the internal memory.
3403		 */
3404		switch (cmd) {
3405		case ECORE_MCAST_CMD_ADD:
3406			ecore_mcast_hdl_add_e1h(sc, o, p, mc_filter);
3407			break;
3408
3409		case ECORE_MCAST_CMD_DEL:
3410			ECORE_MSG(sc,
3411				  "Invalidating multicast MACs configuration\n");
3412
3413			/* clear the registry */
3414			ECORE_MEMSET(o->registry.aprox_match.vec, 0,
3415			       sizeof(o->registry.aprox_match.vec));
3416			break;
3417
3418		case ECORE_MCAST_CMD_RESTORE:
3419			ecore_mcast_hdl_restore_e1h(sc, o, p, mc_filter);
3420			break;
3421
3422		default:
3423			ECORE_ERR("Unknown command: %d\n", cmd);
3424			return ECORE_INVAL;
3425		}
3426
3427		/* Set the mcast filter in the internal memory */
3428		for (i = 0; i < ECORE_MC_HASH_SIZE; i++)
3429			REG_WR(sc, ECORE_MC_HASH_OFFSET(sc, i), mc_filter[i]);
3430	} else
3431		/* clear the registry */
3432		ECORE_MEMSET(o->registry.aprox_match.vec, 0,
3433		       sizeof(o->registry.aprox_match.vec));
3434
3435	/* We are done */
3436	r->clear_pending(r);
3437
3438	return ECORE_SUCCESS;
3439}
3440
3441static int ecore_mcast_validate_e1(struct bxe_softc *sc,
3442				   struct ecore_mcast_ramrod_params *p,
3443				   enum ecore_mcast_cmd cmd)
3444{
3445	struct ecore_mcast_obj *o = p->mcast_obj;
3446	int reg_sz = o->get_registry_size(o);
3447
3448	switch (cmd) {
3449	/* DEL command deletes all currently configured MACs */
3450	case ECORE_MCAST_CMD_DEL:
3451		o->set_registry_size(o, 0);
3452		/* Don't break */
3453
3454	/* RESTORE command will restore the entire multicast configuration */
3455	case ECORE_MCAST_CMD_RESTORE:
3456		p->mcast_list_len = reg_sz;
3457		  ECORE_MSG(sc, "Command %d, p->mcast_list_len=%d\n",
3458				  cmd, p->mcast_list_len);
3459		break;
3460
3461	case ECORE_MCAST_CMD_ADD:
3462	case ECORE_MCAST_CMD_CONT:
3463		/* Multicast MACs on 57710 are configured as unicast MACs and
3464		 * there is only a limited number of CAM entries for that
3465		 * matter.
3466		 */
3467		if (p->mcast_list_len > o->max_cmd_len) {
3468			ECORE_ERR("Can't configure more than %d multicast MACs on 57710\n",
3469				  o->max_cmd_len);
3470			return ECORE_INVAL;
3471		}
3472		/* Every configured MAC should be cleared if DEL command is
3473		 * called. Only the last ADD command is relevant as long as
3474		 * every ADD commands overrides the previous configuration.
3475		 */
3476		ECORE_MSG(sc, "p->mcast_list_len=%d\n", p->mcast_list_len);
3477		if (p->mcast_list_len > 0)
3478			o->set_registry_size(o, p->mcast_list_len);
3479
3480		break;
3481
3482	default:
3483		ECORE_ERR("Unknown command: %d\n", cmd);
3484		return ECORE_INVAL;
3485	}
3486
3487	/* We want to ensure that commands are executed one by one for 57710.
3488	 * Therefore each none-empty command will consume o->max_cmd_len.
3489	 */
3490	if (p->mcast_list_len)
3491		o->total_pending_num += o->max_cmd_len;
3492
3493	return ECORE_SUCCESS;
3494}
3495
3496static void ecore_mcast_revert_e1(struct bxe_softc *sc,
3497				      struct ecore_mcast_ramrod_params *p,
3498				      int old_num_macs)
3499{
3500	struct ecore_mcast_obj *o = p->mcast_obj;
3501
3502	o->set_registry_size(o, old_num_macs);
3503
3504	/* If current command hasn't been handled yet and we are
3505	 * here means that it's meant to be dropped and we have to
3506	 * update the number of outstanding MACs accordingly.
3507	 */
3508	if (p->mcast_list_len)
3509		o->total_pending_num -= o->max_cmd_len;
3510}
3511
3512static void ecore_mcast_set_one_rule_e1(struct bxe_softc *sc,
3513					struct ecore_mcast_obj *o, int idx,
3514					union ecore_mcast_config_data *cfg_data,
3515					enum ecore_mcast_cmd cmd)
3516{
3517	struct ecore_raw_obj *r = &o->raw;
3518	struct mac_configuration_cmd *data =
3519		(struct mac_configuration_cmd *)(r->rdata);
3520
3521	/* copy mac */
3522	if ((cmd == ECORE_MCAST_CMD_ADD) || (cmd == ECORE_MCAST_CMD_RESTORE)) {
3523		ecore_set_fw_mac_addr(&data->config_table[idx].msb_mac_addr,
3524				      &data->config_table[idx].middle_mac_addr,
3525				      &data->config_table[idx].lsb_mac_addr,
3526				      cfg_data->mac);
3527
3528		data->config_table[idx].vlan_id = 0;
3529		data->config_table[idx].pf_id = r->func_id;
3530		data->config_table[idx].clients_bit_vector =
3531			ECORE_CPU_TO_LE32(1 << r->cl_id);
3532
3533		ECORE_SET_FLAG(data->config_table[idx].flags,
3534			       MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
3535			       T_ETH_MAC_COMMAND_SET);
3536	}
3537}
3538
3539/**
3540 * ecore_mcast_set_rdata_hdr_e1  - set header values in mac_configuration_cmd
3541 *
3542 * @sc:		device handle
3543 * @p:
3544 * @len:	number of rules to handle
3545 */
3546static inline void ecore_mcast_set_rdata_hdr_e1(struct bxe_softc *sc,
3547					struct ecore_mcast_ramrod_params *p,
3548					uint8_t len)
3549{
3550	struct ecore_raw_obj *r = &p->mcast_obj->raw;
3551	struct mac_configuration_cmd *data =
3552		(struct mac_configuration_cmd *)(r->rdata);
3553
3554	uint8_t offset = (CHIP_REV_IS_SLOW(sc) ?
3555		     ECORE_MAX_EMUL_MULTI*(1 + r->func_id) :
3556		     ECORE_MAX_MULTICAST*(1 + r->func_id));
3557
3558	data->hdr.offset = offset;
3559	data->hdr.client_id = ECORE_CPU_TO_LE16(0xff);
3560	data->hdr.echo = ECORE_CPU_TO_LE32((r->cid & ECORE_SWCID_MASK) |
3561				     (ECORE_FILTER_MCAST_PENDING <<
3562				      ECORE_SWCID_SHIFT));
3563	data->hdr.length = len;
3564}
3565
3566/**
3567 * ecore_mcast_handle_restore_cmd_e1 - restore command for 57710
3568 *
3569 * @sc:		device handle
3570 * @o:
3571 * @start_idx:	index in the registry to start from
3572 * @rdata_idx:	index in the ramrod data to start from
3573 *
3574 * restore command for 57710 is like all other commands - always a stand alone
3575 * command - start_idx and rdata_idx will always be 0. This function will always
3576 * succeed.
3577 * returns -1 to comply with 57712 variant.
3578 */
3579static inline int ecore_mcast_handle_restore_cmd_e1(
3580	struct bxe_softc *sc, struct ecore_mcast_obj *o , int start_idx,
3581	int *rdata_idx)
3582{
3583	struct ecore_mcast_mac_elem *elem;
3584	int i = 0;
3585	union ecore_mcast_config_data cfg_data = {NULL};
3586
3587	/* go through the registry and configure the MACs from it. */
3588	ECORE_LIST_FOR_EACH_ENTRY(elem, &o->registry.exact_match.macs, link,
3589				  struct ecore_mcast_mac_elem) {
3590		cfg_data.mac = &elem->mac[0];
3591		o->set_one_rule(sc, o, i, &cfg_data, ECORE_MCAST_CMD_RESTORE);
3592
3593		i++;
3594
3595		ECORE_MSG(sc, "About to configure %02x:%02x:%02x:%02x:%02x:%02x mcast MAC\n",
3596			  cfg_data.mac[0], cfg_data.mac[1], cfg_data.mac[2], cfg_data.mac[3], cfg_data.mac[4], cfg_data.mac[5]);
3597	}
3598
3599	*rdata_idx = i;
3600
3601	return -1;
3602}
3603
3604static inline int ecore_mcast_handle_pending_cmds_e1(
3605	struct bxe_softc *sc, struct ecore_mcast_ramrod_params *p)
3606{
3607	struct ecore_pending_mcast_cmd *cmd_pos;
3608	struct ecore_mcast_mac_elem *pmac_pos;
3609	struct ecore_mcast_obj *o = p->mcast_obj;
3610	union ecore_mcast_config_data cfg_data = {NULL};
3611	int cnt = 0;
3612
3613	/* If nothing to be done - return */
3614	if (ECORE_LIST_IS_EMPTY(&o->pending_cmds_head))
3615		return 0;
3616
3617	/* Handle the first command */
3618	cmd_pos = ECORE_LIST_FIRST_ENTRY(&o->pending_cmds_head,
3619					 struct ecore_pending_mcast_cmd, link);
3620
3621	switch (cmd_pos->type) {
3622	case ECORE_MCAST_CMD_ADD:
3623		ECORE_LIST_FOR_EACH_ENTRY(pmac_pos, &cmd_pos->data.macs_head,
3624					  link, struct ecore_mcast_mac_elem) {
3625			cfg_data.mac = &pmac_pos->mac[0];
3626			o->set_one_rule(sc, o, cnt, &cfg_data, cmd_pos->type);
3627
3628			cnt++;
3629
3630			ECORE_MSG(sc, "About to configure %02x:%02x:%02x:%02x:%02x:%02x mcast MAC\n",
3631				  pmac_pos->mac[0], pmac_pos->mac[1], pmac_pos->mac[2], pmac_pos->mac[3], pmac_pos->mac[4], pmac_pos->mac[5]);
3632		}
3633		break;
3634
3635	case ECORE_MCAST_CMD_DEL:
3636		cnt = cmd_pos->data.macs_num;
3637		ECORE_MSG(sc, "About to delete %d multicast MACs\n", cnt);
3638		break;
3639
3640	case ECORE_MCAST_CMD_RESTORE:
3641		o->hdl_restore(sc, o, 0, &cnt);
3642		break;
3643
3644	default:
3645		ECORE_ERR("Unknown command: %d\n", cmd_pos->type);
3646		return ECORE_INVAL;
3647	}
3648
3649	ECORE_LIST_REMOVE_ENTRY(&cmd_pos->link, &o->pending_cmds_head);
3650	ECORE_FREE(sc, cmd_pos, cmd_pos->alloc_len);
3651
3652	return cnt;
3653}
3654
3655/**
3656 * ecore_get_fw_mac_addr - revert the ecore_set_fw_mac_addr().
3657 *
3658 * @fw_hi:
3659 * @fw_mid:
3660 * @fw_lo:
3661 * @mac:
3662 */
3663static inline void ecore_get_fw_mac_addr(uint16_t *fw_hi, uint16_t *fw_mid,
3664					 uint16_t *fw_lo, uint8_t *mac)
3665{
3666	mac[1] = ((uint8_t *)fw_hi)[0];
3667	mac[0] = ((uint8_t *)fw_hi)[1];
3668	mac[3] = ((uint8_t *)fw_mid)[0];
3669	mac[2] = ((uint8_t *)fw_mid)[1];
3670	mac[5] = ((uint8_t *)fw_lo)[0];
3671	mac[4] = ((uint8_t *)fw_lo)[1];
3672}
3673
3674/**
3675 * ecore_mcast_refresh_registry_e1 -
3676 *
3677 * @sc:		device handle
3678 * @cnt:
3679 *
3680 * Check the ramrod data first entry flag to see if it's a DELETE or ADD command
3681 * and update the registry correspondingly: if ADD - allocate a memory and add
3682 * the entries to the registry (list), if DELETE - clear the registry and free
3683 * the memory.
3684 */
3685static inline int ecore_mcast_refresh_registry_e1(struct bxe_softc *sc,
3686						  struct ecore_mcast_obj *o)
3687{
3688	struct ecore_raw_obj *raw = &o->raw;
3689	struct ecore_mcast_mac_elem *elem;
3690	struct mac_configuration_cmd *data =
3691			(struct mac_configuration_cmd *)(raw->rdata);
3692
3693	/* If first entry contains a SET bit - the command was ADD,
3694	 * otherwise - DEL_ALL
3695	 */
3696	if (ECORE_GET_FLAG(data->config_table[0].flags,
3697			MAC_CONFIGURATION_ENTRY_ACTION_TYPE)) {
3698		int i, len = data->hdr.length;
3699
3700		/* Break if it was a RESTORE command */
3701		if (!ECORE_LIST_IS_EMPTY(&o->registry.exact_match.macs))
3702			return ECORE_SUCCESS;
3703
3704		elem = ECORE_CALLOC(len, sizeof(*elem), GFP_ATOMIC, sc);
3705		if (!elem) {
3706			ECORE_ERR("Failed to allocate registry memory\n");
3707			return ECORE_NOMEM;
3708		}
3709
3710		for (i = 0; i < len; i++, elem++) {
3711			ecore_get_fw_mac_addr(
3712				&data->config_table[i].msb_mac_addr,
3713				&data->config_table[i].middle_mac_addr,
3714				&data->config_table[i].lsb_mac_addr,
3715				elem->mac);
3716			ECORE_MSG(sc, "Adding registry entry for [%02x:%02x:%02x:%02x:%02x:%02x]\n",
3717				  elem->mac[0], elem->mac[1], elem->mac[2], elem->mac[3], elem->mac[4], elem->mac[5]);
3718			ECORE_LIST_PUSH_TAIL(&elem->link,
3719					     &o->registry.exact_match.macs);
3720		}
3721	} else {
3722		elem = ECORE_LIST_FIRST_ENTRY(&o->registry.exact_match.macs,
3723					      struct ecore_mcast_mac_elem,
3724					      link);
3725		ECORE_MSG(sc, "Deleting a registry\n");
3726		ECORE_FREE(sc, elem, sizeof(*elem));
3727		ECORE_LIST_INIT(&o->registry.exact_match.macs);
3728	}
3729
3730	return ECORE_SUCCESS;
3731}
3732
3733static int ecore_mcast_setup_e1(struct bxe_softc *sc,
3734				struct ecore_mcast_ramrod_params *p,
3735				enum ecore_mcast_cmd cmd)
3736{
3737	struct ecore_mcast_obj *o = p->mcast_obj;
3738	struct ecore_raw_obj *raw = &o->raw;
3739	struct mac_configuration_cmd *data =
3740		(struct mac_configuration_cmd *)(raw->rdata);
3741	int cnt = 0, i, rc;
3742
3743	/* Reset the ramrod data buffer */
3744	ECORE_MEMSET(data, 0, sizeof(*data));
3745
3746	/* First set all entries as invalid */
3747	for (i = 0; i < o->max_cmd_len ; i++)
3748		ECORE_SET_FLAG(data->config_table[i].flags,
3749			MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
3750			T_ETH_MAC_COMMAND_INVALIDATE);
3751
3752	/* Handle pending commands first */
3753	cnt = ecore_mcast_handle_pending_cmds_e1(sc, p);
3754
3755	/* If there are no more pending commands - clear SCHEDULED state */
3756	if (ECORE_LIST_IS_EMPTY(&o->pending_cmds_head))
3757		o->clear_sched(o);
3758
3759	/* The below may be TRUE iff there were no pending commands */
3760	if (!cnt)
3761		cnt = ecore_mcast_handle_current_cmd(sc, p, cmd, 0);
3762
3763	/* For 57710 every command has o->max_cmd_len length to ensure that
3764	 * commands are done one at a time.
3765	 */
3766	o->total_pending_num -= o->max_cmd_len;
3767
3768	/* send a ramrod */
3769
3770	ECORE_DBG_BREAK_IF(cnt > o->max_cmd_len);
3771
3772	/* Set ramrod header (in particular, a number of entries to update) */
3773	ecore_mcast_set_rdata_hdr_e1(sc, p, (uint8_t)cnt);
3774
3775	/* update a registry: we need the registry contents to be always up
3776	 * to date in order to be able to execute a RESTORE opcode. Here
3777	 * we use the fact that for 57710 we sent one command at a time
3778	 * hence we may take the registry update out of the command handling
3779	 * and do it in a simpler way here.
3780	 */
3781	rc = ecore_mcast_refresh_registry_e1(sc, o);
3782	if (rc)
3783		return rc;
3784
3785	/* If CLEAR_ONLY was requested - don't send a ramrod and clear
3786	 * RAMROD_PENDING status immediately.
3787	 */
3788	if (ECORE_TEST_BIT(RAMROD_DRV_CLR_ONLY, &p->ramrod_flags)) {
3789		raw->clear_pending(raw);
3790		return ECORE_SUCCESS;
3791	} else {
3792		/* No need for an explicit memory barrier here as long we would
3793		 * need to ensure the ordering of writing to the SPQ element
3794		 * and updating of the SPQ producer which involves a memory
3795		 * read and we will have to put a full memory barrier there
3796		 * (inside ecore_sp_post()).
3797		 */
3798
3799		/* Send a ramrod */
3800		rc = ecore_sp_post( sc,
3801				    RAMROD_CMD_ID_ETH_SET_MAC,
3802				    raw->cid,
3803				    raw->rdata_mapping,
3804				    ETH_CONNECTION_TYPE);
3805		if (rc)
3806			return rc;
3807
3808		/* Ramrod completion is pending */
3809		return ECORE_PENDING;
3810	}
3811}
3812
3813static int ecore_mcast_get_registry_size_exact(struct ecore_mcast_obj *o)
3814{
3815	return o->registry.exact_match.num_macs_set;
3816}
3817
3818static int ecore_mcast_get_registry_size_aprox(struct ecore_mcast_obj *o)
3819{
3820	return o->registry.aprox_match.num_bins_set;
3821}
3822
3823static void ecore_mcast_set_registry_size_exact(struct ecore_mcast_obj *o,
3824						int n)
3825{
3826	o->registry.exact_match.num_macs_set = n;
3827}
3828
3829static void ecore_mcast_set_registry_size_aprox(struct ecore_mcast_obj *o,
3830						int n)
3831{
3832	o->registry.aprox_match.num_bins_set = n;
3833}
3834
3835int ecore_config_mcast(struct bxe_softc *sc,
3836		       struct ecore_mcast_ramrod_params *p,
3837		       enum ecore_mcast_cmd cmd)
3838{
3839	struct ecore_mcast_obj *o = p->mcast_obj;
3840	struct ecore_raw_obj *r = &o->raw;
3841	int rc = 0, old_reg_size;
3842
3843	/* This is needed to recover number of currently configured mcast macs
3844	 * in case of failure.
3845	 */
3846	old_reg_size = o->get_registry_size(o);
3847
3848	/* Do some calculations and checks */
3849	rc = o->validate(sc, p, cmd);
3850	if (rc)
3851		return rc;
3852
3853	/* Return if there is no work to do */
3854	if ((!p->mcast_list_len) && (!o->check_sched(o)))
3855		return ECORE_SUCCESS;
3856
3857	ECORE_MSG(sc, "o->total_pending_num=%d p->mcast_list_len=%d o->max_cmd_len=%d\n",
3858		  o->total_pending_num, p->mcast_list_len, o->max_cmd_len);
3859
3860	/* Enqueue the current command to the pending list if we can't complete
3861	 * it in the current iteration
3862	 */
3863	if (r->check_pending(r) ||
3864	    ((o->max_cmd_len > 0) && (o->total_pending_num > o->max_cmd_len))) {
3865		rc = o->enqueue_cmd(sc, p->mcast_obj, p, cmd);
3866		if (rc < 0)
3867			goto error_exit1;
3868
3869		/* As long as the current command is in a command list we
3870		 * don't need to handle it separately.
3871		 */
3872		p->mcast_list_len = 0;
3873	}
3874
3875	if (!r->check_pending(r)) {
3876
3877		/* Set 'pending' state */
3878		r->set_pending(r);
3879
3880		/* Configure the new classification in the chip */
3881		rc = o->config_mcast(sc, p, cmd);
3882		if (rc < 0)
3883			goto error_exit2;
3884
3885		/* Wait for a ramrod completion if was requested */
3886		if (ECORE_TEST_BIT(RAMROD_COMP_WAIT, &p->ramrod_flags))
3887			rc = o->wait_comp(sc, o);
3888	}
3889
3890	return rc;
3891
3892error_exit2:
3893	r->clear_pending(r);
3894
3895error_exit1:
3896	o->revert(sc, p, old_reg_size);
3897
3898	return rc;
3899}
3900
3901static void ecore_mcast_clear_sched(struct ecore_mcast_obj *o)
3902{
3903	ECORE_SMP_MB_BEFORE_CLEAR_BIT();
3904	ECORE_CLEAR_BIT(o->sched_state, o->raw.pstate);
3905	ECORE_SMP_MB_AFTER_CLEAR_BIT();
3906}
3907
3908static void ecore_mcast_set_sched(struct ecore_mcast_obj *o)
3909{
3910	ECORE_SMP_MB_BEFORE_CLEAR_BIT();
3911	ECORE_SET_BIT(o->sched_state, o->raw.pstate);
3912	ECORE_SMP_MB_AFTER_CLEAR_BIT();
3913}
3914
3915static bool ecore_mcast_check_sched(struct ecore_mcast_obj *o)
3916{
3917	return !!ECORE_TEST_BIT(o->sched_state, o->raw.pstate);
3918}
3919
3920static bool ecore_mcast_check_pending(struct ecore_mcast_obj *o)
3921{
3922	return o->raw.check_pending(&o->raw) || o->check_sched(o);
3923}
3924
3925void ecore_init_mcast_obj(struct bxe_softc *sc,
3926			  struct ecore_mcast_obj *mcast_obj,
3927			  uint8_t mcast_cl_id, uint32_t mcast_cid, uint8_t func_id,
3928			  uint8_t engine_id, void *rdata, ecore_dma_addr_t rdata_mapping,
3929			  int state, unsigned long *pstate, ecore_obj_type type)
3930{
3931	ECORE_MEMSET(mcast_obj, 0, sizeof(*mcast_obj));
3932
3933	ecore_init_raw_obj(&mcast_obj->raw, mcast_cl_id, mcast_cid, func_id,
3934			   rdata, rdata_mapping, state, pstate, type);
3935
3936	mcast_obj->engine_id = engine_id;
3937
3938	ECORE_LIST_INIT(&mcast_obj->pending_cmds_head);
3939
3940	mcast_obj->sched_state = ECORE_FILTER_MCAST_SCHED;
3941	mcast_obj->check_sched = ecore_mcast_check_sched;
3942	mcast_obj->set_sched = ecore_mcast_set_sched;
3943	mcast_obj->clear_sched = ecore_mcast_clear_sched;
3944
3945	if (CHIP_IS_E1(sc)) {
3946		mcast_obj->config_mcast      = ecore_mcast_setup_e1;
3947		mcast_obj->enqueue_cmd       = ecore_mcast_enqueue_cmd;
3948		mcast_obj->hdl_restore       =
3949			ecore_mcast_handle_restore_cmd_e1;
3950		mcast_obj->check_pending     = ecore_mcast_check_pending;
3951
3952		if (CHIP_REV_IS_SLOW(sc))
3953			mcast_obj->max_cmd_len = ECORE_MAX_EMUL_MULTI;
3954		else
3955			mcast_obj->max_cmd_len = ECORE_MAX_MULTICAST;
3956
3957		mcast_obj->wait_comp         = ecore_mcast_wait;
3958		mcast_obj->set_one_rule      = ecore_mcast_set_one_rule_e1;
3959		mcast_obj->validate          = ecore_mcast_validate_e1;
3960		mcast_obj->revert            = ecore_mcast_revert_e1;
3961		mcast_obj->get_registry_size =
3962			ecore_mcast_get_registry_size_exact;
3963		mcast_obj->set_registry_size =
3964			ecore_mcast_set_registry_size_exact;
3965
3966		/* 57710 is the only chip that uses the exact match for mcast
3967		 * at the moment.
3968		 */
3969		ECORE_LIST_INIT(&mcast_obj->registry.exact_match.macs);
3970
3971	} else if (CHIP_IS_E1H(sc)) {
3972		mcast_obj->config_mcast  = ecore_mcast_setup_e1h;
3973		mcast_obj->enqueue_cmd   = NULL;
3974		mcast_obj->hdl_restore   = NULL;
3975		mcast_obj->check_pending = ecore_mcast_check_pending;
3976
3977		/* 57711 doesn't send a ramrod, so it has unlimited credit
3978		 * for one command.
3979		 */
3980		mcast_obj->max_cmd_len       = -1;
3981		mcast_obj->wait_comp         = ecore_mcast_wait;
3982		mcast_obj->set_one_rule      = NULL;
3983		mcast_obj->validate          = ecore_mcast_validate_e1h;
3984		mcast_obj->revert            = ecore_mcast_revert_e1h;
3985		mcast_obj->get_registry_size =
3986			ecore_mcast_get_registry_size_aprox;
3987		mcast_obj->set_registry_size =
3988			ecore_mcast_set_registry_size_aprox;
3989	} else {
3990		mcast_obj->config_mcast      = ecore_mcast_setup_e2;
3991		mcast_obj->enqueue_cmd       = ecore_mcast_enqueue_cmd;
3992		mcast_obj->hdl_restore       =
3993			ecore_mcast_handle_restore_cmd_e2;
3994		mcast_obj->check_pending     = ecore_mcast_check_pending;
3995		/* TODO: There should be a proper HSI define for this number!!!
3996		 */
3997		mcast_obj->max_cmd_len       = 16;
3998		mcast_obj->wait_comp         = ecore_mcast_wait;
3999		mcast_obj->set_one_rule      = ecore_mcast_set_one_rule_e2;
4000		mcast_obj->validate          = ecore_mcast_validate_e2;
4001		mcast_obj->revert            = ecore_mcast_revert_e2;
4002		mcast_obj->get_registry_size =
4003			ecore_mcast_get_registry_size_aprox;
4004		mcast_obj->set_registry_size =
4005			ecore_mcast_set_registry_size_aprox;
4006	}
4007}
4008
4009/*************************** Credit handling **********************************/
4010
4011/**
4012 * atomic_add_ifless - add if the result is less than a given value.
4013 *
4014 * @v:	pointer of type ecore_atomic_t
4015 * @a:	the amount to add to v...
4016 * @u:	...if (v + a) is less than u.
4017 *
4018 * returns TRUE if (v + a) was less than u, and FALSE otherwise.
4019 *
4020 */
4021static inline bool __atomic_add_ifless(ecore_atomic_t *v, int a, int u)
4022{
4023	int c, old;
4024
4025	c = ECORE_ATOMIC_READ(v);
4026	for (;;) {
4027		if (ECORE_UNLIKELY(c + a >= u))
4028			return FALSE;
4029
4030		old = ECORE_ATOMIC_CMPXCHG((v), c, c + a);
4031		if (ECORE_LIKELY(old == c))
4032			break;
4033		c = old;
4034	}
4035
4036	return TRUE;
4037}
4038
4039/**
4040 * atomic_dec_ifmoe - dec if the result is more or equal than a given value.
4041 *
4042 * @v:	pointer of type ecore_atomic_t
4043 * @a:	the amount to dec from v...
4044 * @u:	...if (v - a) is more or equal than u.
4045 *
4046 * returns TRUE if (v - a) was more or equal than u, and FALSE
4047 * otherwise.
4048 */
4049static inline bool __atomic_dec_ifmoe(ecore_atomic_t *v, int a, int u)
4050{
4051	int c, old;
4052
4053	c = ECORE_ATOMIC_READ(v);
4054	for (;;) {
4055		if (ECORE_UNLIKELY(c - a < u))
4056			return FALSE;
4057
4058		old = ECORE_ATOMIC_CMPXCHG((v), c, c - a);
4059		if (ECORE_LIKELY(old == c))
4060			break;
4061		c = old;
4062	}
4063
4064	return TRUE;
4065}
4066
4067static bool ecore_credit_pool_get(struct ecore_credit_pool_obj *o, int cnt)
4068{
4069	bool rc;
4070
4071	ECORE_SMP_MB();
4072	rc = __atomic_dec_ifmoe(&o->credit, cnt, 0);
4073	ECORE_SMP_MB();
4074
4075	return rc;
4076}
4077
4078static bool ecore_credit_pool_put(struct ecore_credit_pool_obj *o, int cnt)
4079{
4080	bool rc;
4081
4082	ECORE_SMP_MB();
4083
4084	/* Don't let to refill if credit + cnt > pool_sz */
4085	rc = __atomic_add_ifless(&o->credit, cnt, o->pool_sz + 1);
4086
4087	ECORE_SMP_MB();
4088
4089	return rc;
4090}
4091
4092static int ecore_credit_pool_check(struct ecore_credit_pool_obj *o)
4093{
4094	int cur_credit;
4095
4096	ECORE_SMP_MB();
4097	cur_credit = ECORE_ATOMIC_READ(&o->credit);
4098
4099	return cur_credit;
4100}
4101
4102static bool ecore_credit_pool_always_TRUE(struct ecore_credit_pool_obj *o,
4103					  int cnt)
4104{
4105	return TRUE;
4106}
4107
4108static bool ecore_credit_pool_get_entry(
4109	struct ecore_credit_pool_obj *o,
4110	int *offset)
4111{
4112	int idx, vec, i;
4113
4114	*offset = -1;
4115
4116	/* Find "internal cam-offset" then add to base for this object... */
4117	for (vec = 0; vec < ECORE_POOL_VEC_SIZE; vec++) {
4118
4119		/* Skip the current vector if there are no free entries in it */
4120		if (!o->pool_mirror[vec])
4121			continue;
4122
4123		/* If we've got here we are going to find a free entry */
4124		for (idx = vec * BIT_VEC64_ELEM_SZ, i = 0;
4125		      i < BIT_VEC64_ELEM_SZ; idx++, i++)
4126
4127			if (BIT_VEC64_TEST_BIT(o->pool_mirror, idx)) {
4128				/* Got one!! */
4129				BIT_VEC64_CLEAR_BIT(o->pool_mirror, idx);
4130				*offset = o->base_pool_offset + idx;
4131				return TRUE;
4132			}
4133	}
4134
4135	return FALSE;
4136}
4137
4138static bool ecore_credit_pool_put_entry(
4139	struct ecore_credit_pool_obj *o,
4140	int offset)
4141{
4142	if (offset < o->base_pool_offset)
4143		return FALSE;
4144
4145	offset -= o->base_pool_offset;
4146
4147	if (offset >= o->pool_sz)
4148		return FALSE;
4149
4150	/* Return the entry to the pool */
4151	BIT_VEC64_SET_BIT(o->pool_mirror, offset);
4152
4153	return TRUE;
4154}
4155
4156static bool ecore_credit_pool_put_entry_always_TRUE(
4157	struct ecore_credit_pool_obj *o,
4158	int offset)
4159{
4160	return TRUE;
4161}
4162
4163static bool ecore_credit_pool_get_entry_always_TRUE(
4164	struct ecore_credit_pool_obj *o,
4165	int *offset)
4166{
4167	*offset = -1;
4168	return TRUE;
4169}
4170/**
4171 * ecore_init_credit_pool - initialize credit pool internals.
4172 *
4173 * @p:
4174 * @base:	Base entry in the CAM to use.
4175 * @credit:	pool size.
4176 *
4177 * If base is negative no CAM entries handling will be performed.
4178 * If credit is negative pool operations will always succeed (unlimited pool).
4179 *
4180 */
4181static inline void ecore_init_credit_pool(struct ecore_credit_pool_obj *p,
4182					  int base, int credit)
4183{
4184	/* Zero the object first */
4185	ECORE_MEMSET(p, 0, sizeof(*p));
4186
4187	/* Set the table to all 1s */
4188	ECORE_MEMSET(&p->pool_mirror, 0xff, sizeof(p->pool_mirror));
4189
4190	/* Init a pool as full */
4191	ECORE_ATOMIC_SET(&p->credit, credit);
4192
4193	/* The total poll size */
4194	p->pool_sz = credit;
4195
4196	p->base_pool_offset = base;
4197
4198	/* Commit the change */
4199	ECORE_SMP_MB();
4200
4201	p->check = ecore_credit_pool_check;
4202
4203	/* if pool credit is negative - disable the checks */
4204	if (credit >= 0) {
4205		p->put      = ecore_credit_pool_put;
4206		p->get      = ecore_credit_pool_get;
4207		p->put_entry = ecore_credit_pool_put_entry;
4208		p->get_entry = ecore_credit_pool_get_entry;
4209	} else {
4210		p->put      = ecore_credit_pool_always_TRUE;
4211		p->get      = ecore_credit_pool_always_TRUE;
4212		p->put_entry = ecore_credit_pool_put_entry_always_TRUE;
4213		p->get_entry = ecore_credit_pool_get_entry_always_TRUE;
4214	}
4215
4216	/* If base is negative - disable entries handling */
4217	if (base < 0) {
4218		p->put_entry = ecore_credit_pool_put_entry_always_TRUE;
4219		p->get_entry = ecore_credit_pool_get_entry_always_TRUE;
4220	}
4221}
4222
4223void ecore_init_mac_credit_pool(struct bxe_softc *sc,
4224				struct ecore_credit_pool_obj *p, uint8_t func_id,
4225				uint8_t func_num)
4226{
4227/* TODO: this will be defined in consts as well... */
4228#define ECORE_CAM_SIZE_EMUL 5
4229
4230	int cam_sz;
4231
4232	if (CHIP_IS_E1(sc)) {
4233		/* In E1, Multicast is saved in cam... */
4234		if (!CHIP_REV_IS_SLOW(sc))
4235			cam_sz = (MAX_MAC_CREDIT_E1 / 2) - ECORE_MAX_MULTICAST;
4236		else
4237			cam_sz = ECORE_CAM_SIZE_EMUL - ECORE_MAX_EMUL_MULTI;
4238
4239		ecore_init_credit_pool(p, func_id * cam_sz, cam_sz);
4240
4241	} else if (CHIP_IS_E1H(sc)) {
4242		/* CAM credit is equally divided between all active functions
4243		 * on the PORT!.
4244		 */
4245		if ((func_num > 0)) {
4246			if (!CHIP_REV_IS_SLOW(sc))
4247				cam_sz = (MAX_MAC_CREDIT_E1H / (2*func_num));
4248			else
4249				cam_sz = ECORE_CAM_SIZE_EMUL;
4250			ecore_init_credit_pool(p, func_id * cam_sz, cam_sz);
4251		} else {
4252			/* this should never happen! Block MAC operations. */
4253			ecore_init_credit_pool(p, 0, 0);
4254		}
4255
4256	} else {
4257
4258		/*
4259		 * CAM credit is equaly divided between all active functions
4260		 * on the PATH.
4261		 */
4262		if ((func_num > 0)) {
4263			if (!CHIP_REV_IS_SLOW(sc))
4264				cam_sz = (MAX_MAC_CREDIT_E2 / func_num);
4265			else
4266				cam_sz = ECORE_CAM_SIZE_EMUL;
4267
4268			/* No need for CAM entries handling for 57712 and
4269			 * newer.
4270			 */
4271			ecore_init_credit_pool(p, -1, cam_sz);
4272		} else {
4273			/* this should never happen! Block MAC operations. */
4274			ecore_init_credit_pool(p, 0, 0);
4275		}
4276	}
4277}
4278
4279void ecore_init_vlan_credit_pool(struct bxe_softc *sc,
4280				 struct ecore_credit_pool_obj *p,
4281				 uint8_t func_id,
4282				 uint8_t func_num)
4283{
4284	if (CHIP_IS_E1x(sc)) {
4285		/* There is no VLAN credit in HW on 57710 and 57711 only
4286		 * MAC / MAC-VLAN can be set
4287		 */
4288		ecore_init_credit_pool(p, 0, -1);
4289	} else {
4290		/* CAM credit is equally divided between all active functions
4291		 * on the PATH.
4292		 */
4293		if (func_num > 0) {
4294			int credit = MAX_VLAN_CREDIT_E2 / func_num;
4295			ecore_init_credit_pool(p, func_id * credit, credit);
4296		} else
4297			/* this should never happen! Block VLAN operations. */
4298			ecore_init_credit_pool(p, 0, 0);
4299	}
4300}
4301
4302/****************** RSS Configuration ******************/
4303
4304/**
4305 * ecore_setup_rss - configure RSS
4306 *
4307 * @sc:		device handle
4308 * @p:		rss configuration
4309 *
4310 * sends on UPDATE ramrod for that matter.
4311 */
4312static int ecore_setup_rss(struct bxe_softc *sc,
4313			   struct ecore_config_rss_params *p)
4314{
4315	struct ecore_rss_config_obj *o = p->rss_obj;
4316	struct ecore_raw_obj *r = &o->raw;
4317	struct eth_rss_update_ramrod_data *data =
4318		(struct eth_rss_update_ramrod_data *)(r->rdata);
4319	uint8_t rss_mode = 0;
4320	int rc;
4321
4322	ECORE_MEMSET(data, 0, sizeof(*data));
4323
4324	ECORE_MSG(sc, "Configuring RSS\n");
4325
4326	/* Set an echo field */
4327	data->echo = ECORE_CPU_TO_LE32((r->cid & ECORE_SWCID_MASK) |
4328				 (r->state << ECORE_SWCID_SHIFT));
4329
4330	/* RSS mode */
4331	if (ECORE_TEST_BIT(ECORE_RSS_MODE_DISABLED, &p->rss_flags))
4332		rss_mode = ETH_RSS_MODE_DISABLED;
4333	else if (ECORE_TEST_BIT(ECORE_RSS_MODE_REGULAR, &p->rss_flags))
4334		rss_mode = ETH_RSS_MODE_REGULAR;
4335
4336	data->rss_mode = rss_mode;
4337
4338	ECORE_MSG(sc, "rss_mode=%d\n", rss_mode);
4339
4340	/* RSS capabilities */
4341	if (ECORE_TEST_BIT(ECORE_RSS_IPV4, &p->rss_flags))
4342		data->capabilities |=
4343			ETH_RSS_UPDATE_RAMROD_DATA_IPV4_CAPABILITY;
4344
4345	if (ECORE_TEST_BIT(ECORE_RSS_IPV4_TCP, &p->rss_flags))
4346		data->capabilities |=
4347			ETH_RSS_UPDATE_RAMROD_DATA_IPV4_TCP_CAPABILITY;
4348
4349	if (ECORE_TEST_BIT(ECORE_RSS_IPV4_UDP, &p->rss_flags))
4350		data->capabilities |=
4351			ETH_RSS_UPDATE_RAMROD_DATA_IPV4_UDP_CAPABILITY;
4352
4353	if (ECORE_TEST_BIT(ECORE_RSS_IPV6, &p->rss_flags))
4354		data->capabilities |=
4355			ETH_RSS_UPDATE_RAMROD_DATA_IPV6_CAPABILITY;
4356
4357	if (ECORE_TEST_BIT(ECORE_RSS_IPV6_TCP, &p->rss_flags))
4358		data->capabilities |=
4359			ETH_RSS_UPDATE_RAMROD_DATA_IPV6_TCP_CAPABILITY;
4360
4361	if (ECORE_TEST_BIT(ECORE_RSS_IPV6_UDP, &p->rss_flags))
4362		data->capabilities |=
4363			ETH_RSS_UPDATE_RAMROD_DATA_IPV6_UDP_CAPABILITY;
4364
4365	if (ECORE_TEST_BIT(ECORE_RSS_TUNNELING, &p->rss_flags)) {
4366		data->udp_4tuple_dst_port_mask = ECORE_CPU_TO_LE16(p->tunnel_mask);
4367		data->udp_4tuple_dst_port_value =
4368			ECORE_CPU_TO_LE16(p->tunnel_value);
4369	}
4370
4371	/* Hashing mask */
4372	data->rss_result_mask = p->rss_result_mask;
4373
4374	/* RSS engine ID */
4375	data->rss_engine_id = o->engine_id;
4376
4377	ECORE_MSG(sc, "rss_engine_id=%d\n", data->rss_engine_id);
4378
4379	/* Indirection table */
4380	ECORE_MEMCPY(data->indirection_table, p->ind_table,
4381		  T_ETH_INDIRECTION_TABLE_SIZE);
4382
4383	/* Remember the last configuration */
4384	ECORE_MEMCPY(o->ind_table, p->ind_table, T_ETH_INDIRECTION_TABLE_SIZE);
4385
4386
4387	/* RSS keys */
4388	if (ECORE_TEST_BIT(ECORE_RSS_SET_SRCH, &p->rss_flags)) {
4389		ECORE_MEMCPY(&data->rss_key[0], &p->rss_key[0],
4390		       sizeof(data->rss_key));
4391		data->capabilities |= ETH_RSS_UPDATE_RAMROD_DATA_UPDATE_RSS_KEY;
4392	}
4393
4394	/* No need for an explicit memory barrier here as long we would
4395	 * need to ensure the ordering of writing to the SPQ element
4396	 * and updating of the SPQ producer which involves a memory
4397	 * read and we will have to put a full memory barrier there
4398	 * (inside ecore_sp_post()).
4399	 */
4400
4401	/* Send a ramrod */
4402	rc = ecore_sp_post(sc,
4403			     RAMROD_CMD_ID_ETH_RSS_UPDATE,
4404			     r->cid,
4405			     r->rdata_mapping,
4406			     ETH_CONNECTION_TYPE);
4407
4408	if (rc < 0)
4409		return rc;
4410
4411	return ECORE_PENDING;
4412}
4413
4414void ecore_get_rss_ind_table(struct ecore_rss_config_obj *rss_obj,
4415			     uint8_t *ind_table)
4416{
4417	ECORE_MEMCPY(ind_table, rss_obj->ind_table, sizeof(rss_obj->ind_table));
4418}
4419
4420int ecore_config_rss(struct bxe_softc *sc,
4421		     struct ecore_config_rss_params *p)
4422{
4423	int rc;
4424	struct ecore_rss_config_obj *o = p->rss_obj;
4425	struct ecore_raw_obj *r = &o->raw;
4426
4427	/* Do nothing if only driver cleanup was requested */
4428	if (ECORE_TEST_BIT(RAMROD_DRV_CLR_ONLY, &p->ramrod_flags))
4429		return ECORE_SUCCESS;
4430
4431	r->set_pending(r);
4432
4433	rc = o->config_rss(sc, p);
4434	if (rc < 0) {
4435		r->clear_pending(r);
4436		return rc;
4437	}
4438
4439	if (ECORE_TEST_BIT(RAMROD_COMP_WAIT, &p->ramrod_flags))
4440		rc = r->wait_comp(sc, r);
4441
4442	return rc;
4443}
4444
4445void ecore_init_rss_config_obj(struct bxe_softc *sc,
4446			       struct ecore_rss_config_obj *rss_obj,
4447			       uint8_t cl_id, uint32_t cid, uint8_t func_id, uint8_t engine_id,
4448			       void *rdata, ecore_dma_addr_t rdata_mapping,
4449			       int state, unsigned long *pstate,
4450			       ecore_obj_type type)
4451{
4452	ecore_init_raw_obj(&rss_obj->raw, cl_id, cid, func_id, rdata,
4453			   rdata_mapping, state, pstate, type);
4454
4455	rss_obj->engine_id  = engine_id;
4456	rss_obj->config_rss = ecore_setup_rss;
4457}
4458
4459/********************** Queue state object ***********************************/
4460
4461/**
4462 * ecore_queue_state_change - perform Queue state change transition
4463 *
4464 * @sc:		device handle
4465 * @params:	parameters to perform the transition
4466 *
4467 * returns 0 in case of successfully completed transition, negative error
4468 * code in case of failure, positive (EBUSY) value if there is a completion
4469 * to that is still pending (possible only if RAMROD_COMP_WAIT is
4470 * not set in params->ramrod_flags for asynchronous commands).
4471 *
4472 */
4473int ecore_queue_state_change(struct bxe_softc *sc,
4474			     struct ecore_queue_state_params *params)
4475{
4476	struct ecore_queue_sp_obj *o = params->q_obj;
4477	int rc, pending_bit;
4478	unsigned long *pending = &o->pending;
4479
4480	/* Check that the requested transition is legal */
4481	rc = o->check_transition(sc, o, params);
4482	if (rc) {
4483		ECORE_ERR("check transition returned an error. rc %d\n", rc);
4484		return ECORE_INVAL;
4485	}
4486
4487	/* Set "pending" bit */
4488	ECORE_MSG(sc, "pending bit was=%lx\n", o->pending);
4489	pending_bit = o->set_pending(o, params);
4490	ECORE_MSG(sc, "pending bit now=%lx\n", o->pending);
4491
4492	/* Don't send a command if only driver cleanup was requested */
4493	if (ECORE_TEST_BIT(RAMROD_DRV_CLR_ONLY, &params->ramrod_flags))
4494		o->complete_cmd(sc, o, pending_bit);
4495	else {
4496		/* Send a ramrod */
4497		rc = o->send_cmd(sc, params);
4498		if (rc) {
4499			o->next_state = ECORE_Q_STATE_MAX;
4500			ECORE_CLEAR_BIT(pending_bit, pending);
4501			ECORE_SMP_MB_AFTER_CLEAR_BIT();
4502			return rc;
4503		}
4504
4505		if (ECORE_TEST_BIT(RAMROD_COMP_WAIT, &params->ramrod_flags)) {
4506			rc = o->wait_comp(sc, o, pending_bit);
4507			if (rc)
4508				return rc;
4509
4510			return ECORE_SUCCESS;
4511		}
4512	}
4513
4514	return ECORE_RET_PENDING(pending_bit, pending);
4515}
4516
4517static int ecore_queue_set_pending(struct ecore_queue_sp_obj *obj,
4518				   struct ecore_queue_state_params *params)
4519{
4520	enum ecore_queue_cmd cmd = params->cmd, bit;
4521
4522	/* ACTIVATE and DEACTIVATE commands are implemented on top of
4523	 * UPDATE command.
4524	 */
4525	if ((cmd == ECORE_Q_CMD_ACTIVATE) ||
4526	    (cmd == ECORE_Q_CMD_DEACTIVATE))
4527		bit = ECORE_Q_CMD_UPDATE;
4528	else
4529		bit = cmd;
4530
4531	ECORE_SET_BIT(bit, &obj->pending);
4532	return bit;
4533}
4534
4535static int ecore_queue_wait_comp(struct bxe_softc *sc,
4536				 struct ecore_queue_sp_obj *o,
4537				 enum ecore_queue_cmd cmd)
4538{
4539	return ecore_state_wait(sc, cmd, &o->pending);
4540}
4541
4542/**
4543 * ecore_queue_comp_cmd - complete the state change command.
4544 *
4545 * @sc:		device handle
4546 * @o:
4547 * @cmd:
4548 *
4549 * Checks that the arrived completion is expected.
4550 */
4551static int ecore_queue_comp_cmd(struct bxe_softc *sc,
4552				struct ecore_queue_sp_obj *o,
4553				enum ecore_queue_cmd cmd)
4554{
4555	unsigned long cur_pending = o->pending;
4556
4557	if (!ECORE_TEST_AND_CLEAR_BIT(cmd, &cur_pending)) {
4558		ECORE_ERR("Bad MC reply %d for queue %d in state %d pending 0x%lx, next_state %d\n",
4559			  cmd, o->cids[ECORE_PRIMARY_CID_INDEX],
4560			  o->state, cur_pending, o->next_state);
4561		return ECORE_INVAL;
4562	}
4563
4564	if (o->next_tx_only >= o->max_cos)
4565		/* >= because tx only must always be smaller than cos since the
4566		 * primary connection supports COS 0
4567		 */
4568		ECORE_ERR("illegal value for next tx_only: %d. max cos was %d",
4569			  o->next_tx_only, o->max_cos);
4570
4571	ECORE_MSG(sc,
4572		  "Completing command %d for queue %d, setting state to %d\n",
4573		  cmd, o->cids[ECORE_PRIMARY_CID_INDEX], o->next_state);
4574
4575	if (o->next_tx_only)  /* print num tx-only if any exist */
4576		ECORE_MSG(sc, "primary cid %d: num tx-only cons %d\n",
4577			  o->cids[ECORE_PRIMARY_CID_INDEX], o->next_tx_only);
4578
4579	o->state = o->next_state;
4580	o->num_tx_only = o->next_tx_only;
4581	o->next_state = ECORE_Q_STATE_MAX;
4582
4583	/* It's important that o->state and o->next_state are
4584	 * updated before o->pending.
4585	 */
4586	wmb();
4587
4588	ECORE_CLEAR_BIT(cmd, &o->pending);
4589	ECORE_SMP_MB_AFTER_CLEAR_BIT();
4590
4591	return ECORE_SUCCESS;
4592}
4593
4594static void ecore_q_fill_setup_data_e2(struct bxe_softc *sc,
4595				struct ecore_queue_state_params *cmd_params,
4596				struct client_init_ramrod_data *data)
4597{
4598	struct ecore_queue_setup_params *params = &cmd_params->params.setup;
4599
4600	/* Rx data */
4601
4602	/* IPv6 TPA supported for E2 and above only */
4603	data->rx.tpa_en |= ECORE_TEST_BIT(ECORE_Q_FLG_TPA_IPV6,
4604					  &params->flags) *
4605				CLIENT_INIT_RX_DATA_TPA_EN_IPV6;
4606}
4607
4608static void ecore_q_fill_init_general_data(struct bxe_softc *sc,
4609				struct ecore_queue_sp_obj *o,
4610				struct ecore_general_setup_params *params,
4611				struct client_init_general_data *gen_data,
4612				unsigned long *flags)
4613{
4614	gen_data->client_id = o->cl_id;
4615
4616	if (ECORE_TEST_BIT(ECORE_Q_FLG_STATS, flags)) {
4617		gen_data->statistics_counter_id =
4618					params->stat_id;
4619		gen_data->statistics_en_flg = 1;
4620		gen_data->statistics_zero_flg =
4621			ECORE_TEST_BIT(ECORE_Q_FLG_ZERO_STATS, flags);
4622	} else
4623		gen_data->statistics_counter_id =
4624					DISABLE_STATISTIC_COUNTER_ID_VALUE;
4625
4626	gen_data->is_fcoe_flg = ECORE_TEST_BIT(ECORE_Q_FLG_FCOE,
4627						   flags);
4628	gen_data->activate_flg = ECORE_TEST_BIT(ECORE_Q_FLG_ACTIVE,
4629						    flags);
4630	gen_data->sp_client_id = params->spcl_id;
4631	gen_data->mtu = ECORE_CPU_TO_LE16(params->mtu);
4632	gen_data->func_id = o->func_id;
4633
4634	gen_data->cos = params->cos;
4635
4636	gen_data->traffic_type =
4637		ECORE_TEST_BIT(ECORE_Q_FLG_FCOE, flags) ?
4638		LLFC_TRAFFIC_TYPE_FCOE : LLFC_TRAFFIC_TYPE_NW;
4639
4640	ECORE_MSG(sc, "flags: active %d, cos %d, stats en %d\n",
4641		  gen_data->activate_flg, gen_data->cos, gen_data->statistics_en_flg);
4642}
4643
4644static void ecore_q_fill_init_tx_data(struct ecore_queue_sp_obj *o,
4645				struct ecore_txq_setup_params *params,
4646				struct client_init_tx_data *tx_data,
4647				unsigned long *flags)
4648{
4649	tx_data->enforce_security_flg =
4650		ECORE_TEST_BIT(ECORE_Q_FLG_TX_SEC, flags);
4651	tx_data->default_vlan =
4652		ECORE_CPU_TO_LE16(params->default_vlan);
4653	tx_data->default_vlan_flg =
4654		ECORE_TEST_BIT(ECORE_Q_FLG_DEF_VLAN, flags);
4655	tx_data->tx_switching_flg =
4656		ECORE_TEST_BIT(ECORE_Q_FLG_TX_SWITCH, flags);
4657	tx_data->anti_spoofing_flg =
4658		ECORE_TEST_BIT(ECORE_Q_FLG_ANTI_SPOOF, flags);
4659	tx_data->force_default_pri_flg =
4660		ECORE_TEST_BIT(ECORE_Q_FLG_FORCE_DEFAULT_PRI, flags);
4661	tx_data->refuse_outband_vlan_flg =
4662		ECORE_TEST_BIT(ECORE_Q_FLG_REFUSE_OUTBAND_VLAN, flags);
4663	tx_data->tunnel_lso_inc_ip_id =
4664		ECORE_TEST_BIT(ECORE_Q_FLG_TUN_INC_INNER_IP_ID, flags);
4665	tx_data->tunnel_non_lso_pcsum_location =
4666		ECORE_TEST_BIT(ECORE_Q_FLG_PCSUM_ON_PKT, flags) ? CSUM_ON_PKT :
4667							    CSUM_ON_BD;
4668
4669	tx_data->tx_status_block_id = params->fw_sb_id;
4670	tx_data->tx_sb_index_number = params->sb_cq_index;
4671	tx_data->tss_leading_client_id = params->tss_leading_cl_id;
4672
4673	tx_data->tx_bd_page_base.lo =
4674		ECORE_CPU_TO_LE32(U64_LO(params->dscr_map));
4675	tx_data->tx_bd_page_base.hi =
4676		ECORE_CPU_TO_LE32(U64_HI(params->dscr_map));
4677
4678	/* Don't configure any Tx switching mode during queue SETUP */
4679	tx_data->state = 0;
4680}
4681
4682static void ecore_q_fill_init_pause_data(struct ecore_queue_sp_obj *o,
4683				struct rxq_pause_params *params,
4684				struct client_init_rx_data *rx_data)
4685{
4686	/* flow control data */
4687	rx_data->cqe_pause_thr_low = ECORE_CPU_TO_LE16(params->rcq_th_lo);
4688	rx_data->cqe_pause_thr_high = ECORE_CPU_TO_LE16(params->rcq_th_hi);
4689	rx_data->bd_pause_thr_low = ECORE_CPU_TO_LE16(params->bd_th_lo);
4690	rx_data->bd_pause_thr_high = ECORE_CPU_TO_LE16(params->bd_th_hi);
4691	rx_data->sge_pause_thr_low = ECORE_CPU_TO_LE16(params->sge_th_lo);
4692	rx_data->sge_pause_thr_high = ECORE_CPU_TO_LE16(params->sge_th_hi);
4693	rx_data->rx_cos_mask = ECORE_CPU_TO_LE16(params->pri_map);
4694}
4695
4696static void ecore_q_fill_init_rx_data(struct ecore_queue_sp_obj *o,
4697				struct ecore_rxq_setup_params *params,
4698				struct client_init_rx_data *rx_data,
4699				unsigned long *flags)
4700{
4701	rx_data->tpa_en = ECORE_TEST_BIT(ECORE_Q_FLG_TPA, flags) *
4702				CLIENT_INIT_RX_DATA_TPA_EN_IPV4;
4703	rx_data->tpa_en |= ECORE_TEST_BIT(ECORE_Q_FLG_TPA_GRO, flags) *
4704				CLIENT_INIT_RX_DATA_TPA_MODE;
4705	rx_data->vmqueue_mode_en_flg = 0;
4706
4707	rx_data->extra_data_over_sgl_en_flg =
4708		ECORE_TEST_BIT(ECORE_Q_FLG_OOO, flags);
4709	rx_data->cache_line_alignment_log_size =
4710		params->cache_line_log;
4711	rx_data->enable_dynamic_hc =
4712		ECORE_TEST_BIT(ECORE_Q_FLG_DHC, flags);
4713	rx_data->max_sges_for_packet = params->max_sges_pkt;
4714	rx_data->client_qzone_id = params->cl_qzone_id;
4715	rx_data->max_agg_size = ECORE_CPU_TO_LE16(params->tpa_agg_sz);
4716
4717	/* Always start in DROP_ALL mode */
4718	rx_data->state = ECORE_CPU_TO_LE16(CLIENT_INIT_RX_DATA_UCAST_DROP_ALL |
4719				     CLIENT_INIT_RX_DATA_MCAST_DROP_ALL);
4720
4721	/* We don't set drop flags */
4722	rx_data->drop_ip_cs_err_flg = 0;
4723	rx_data->drop_tcp_cs_err_flg = 0;
4724	rx_data->drop_ttl0_flg = 0;
4725	rx_data->drop_udp_cs_err_flg = 0;
4726	rx_data->inner_vlan_removal_enable_flg =
4727		ECORE_TEST_BIT(ECORE_Q_FLG_VLAN, flags);
4728	rx_data->outer_vlan_removal_enable_flg =
4729		ECORE_TEST_BIT(ECORE_Q_FLG_OV, flags);
4730	rx_data->status_block_id = params->fw_sb_id;
4731	rx_data->rx_sb_index_number = params->sb_cq_index;
4732	rx_data->max_tpa_queues = params->max_tpa_queues;
4733	rx_data->max_bytes_on_bd = ECORE_CPU_TO_LE16(params->buf_sz);
4734	rx_data->sge_buff_size = ECORE_CPU_TO_LE16(params->sge_buf_sz);
4735	rx_data->bd_page_base.lo =
4736		ECORE_CPU_TO_LE32(U64_LO(params->dscr_map));
4737	rx_data->bd_page_base.hi =
4738		ECORE_CPU_TO_LE32(U64_HI(params->dscr_map));
4739	rx_data->sge_page_base.lo =
4740		ECORE_CPU_TO_LE32(U64_LO(params->sge_map));
4741	rx_data->sge_page_base.hi =
4742		ECORE_CPU_TO_LE32(U64_HI(params->sge_map));
4743	rx_data->cqe_page_base.lo =
4744		ECORE_CPU_TO_LE32(U64_LO(params->rcq_map));
4745	rx_data->cqe_page_base.hi =
4746		ECORE_CPU_TO_LE32(U64_HI(params->rcq_map));
4747	rx_data->is_leading_rss = ECORE_TEST_BIT(ECORE_Q_FLG_LEADING_RSS,
4748						 flags);
4749
4750	if (ECORE_TEST_BIT(ECORE_Q_FLG_MCAST, flags)) {
4751		rx_data->approx_mcast_engine_id = params->mcast_engine_id;
4752		rx_data->is_approx_mcast = 1;
4753	}
4754
4755	rx_data->rss_engine_id = params->rss_engine_id;
4756
4757	/* silent vlan removal */
4758	rx_data->silent_vlan_removal_flg =
4759		ECORE_TEST_BIT(ECORE_Q_FLG_SILENT_VLAN_REM, flags);
4760	rx_data->silent_vlan_value =
4761		ECORE_CPU_TO_LE16(params->silent_removal_value);
4762	rx_data->silent_vlan_mask =
4763		ECORE_CPU_TO_LE16(params->silent_removal_mask);
4764}
4765
4766/* initialize the general, tx and rx parts of a queue object */
4767static void ecore_q_fill_setup_data_cmn(struct bxe_softc *sc,
4768				struct ecore_queue_state_params *cmd_params,
4769				struct client_init_ramrod_data *data)
4770{
4771	ecore_q_fill_init_general_data(sc, cmd_params->q_obj,
4772				       &cmd_params->params.setup.gen_params,
4773				       &data->general,
4774				       &cmd_params->params.setup.flags);
4775
4776	ecore_q_fill_init_tx_data(cmd_params->q_obj,
4777				  &cmd_params->params.setup.txq_params,
4778				  &data->tx,
4779				  &cmd_params->params.setup.flags);
4780
4781	ecore_q_fill_init_rx_data(cmd_params->q_obj,
4782				  &cmd_params->params.setup.rxq_params,
4783				  &data->rx,
4784				  &cmd_params->params.setup.flags);
4785
4786	ecore_q_fill_init_pause_data(cmd_params->q_obj,
4787				     &cmd_params->params.setup.pause_params,
4788				     &data->rx);
4789}
4790
4791/* initialize the general and tx parts of a tx-only queue object */
4792static void ecore_q_fill_setup_tx_only(struct bxe_softc *sc,
4793				struct ecore_queue_state_params *cmd_params,
4794				struct tx_queue_init_ramrod_data *data)
4795{
4796	ecore_q_fill_init_general_data(sc, cmd_params->q_obj,
4797				       &cmd_params->params.tx_only.gen_params,
4798				       &data->general,
4799				       &cmd_params->params.tx_only.flags);
4800
4801	ecore_q_fill_init_tx_data(cmd_params->q_obj,
4802				  &cmd_params->params.tx_only.txq_params,
4803				  &data->tx,
4804				  &cmd_params->params.tx_only.flags);
4805
4806	ECORE_MSG(sc, "cid %d, tx bd page lo %x hi %x",
4807		  cmd_params->q_obj->cids[0],
4808		  data->tx.tx_bd_page_base.lo,
4809		  data->tx.tx_bd_page_base.hi);
4810}
4811
4812/**
4813 * ecore_q_init - init HW/FW queue
4814 *
4815 * @sc:		device handle
4816 * @params:
4817 *
4818 * HW/FW initial Queue configuration:
4819 *      - HC: Rx and Tx
4820 *      - CDU context validation
4821 *
4822 */
4823static inline int ecore_q_init(struct bxe_softc *sc,
4824			       struct ecore_queue_state_params *params)
4825{
4826	struct ecore_queue_sp_obj *o = params->q_obj;
4827	struct ecore_queue_init_params *init = &params->params.init;
4828	uint16_t hc_usec;
4829	uint8_t cos;
4830
4831	/* Tx HC configuration */
4832	if (ECORE_TEST_BIT(ECORE_Q_TYPE_HAS_TX, &o->type) &&
4833	    ECORE_TEST_BIT(ECORE_Q_FLG_HC, &init->tx.flags)) {
4834		hc_usec = init->tx.hc_rate ? 1000000 / init->tx.hc_rate : 0;
4835
4836		ECORE_UPDATE_COALESCE_SB_INDEX(sc, init->tx.fw_sb_id,
4837			init->tx.sb_cq_index,
4838			!ECORE_TEST_BIT(ECORE_Q_FLG_HC_EN, &init->tx.flags),
4839			hc_usec);
4840	}
4841
4842	/* Rx HC configuration */
4843	if (ECORE_TEST_BIT(ECORE_Q_TYPE_HAS_RX, &o->type) &&
4844	    ECORE_TEST_BIT(ECORE_Q_FLG_HC, &init->rx.flags)) {
4845		hc_usec = init->rx.hc_rate ? 1000000 / init->rx.hc_rate : 0;
4846
4847		ECORE_UPDATE_COALESCE_SB_INDEX(sc, init->rx.fw_sb_id,
4848			init->rx.sb_cq_index,
4849			!ECORE_TEST_BIT(ECORE_Q_FLG_HC_EN, &init->rx.flags),
4850			hc_usec);
4851	}
4852
4853	/* Set CDU context validation values */
4854	for (cos = 0; cos < o->max_cos; cos++) {
4855		ECORE_MSG(sc, "setting context validation. cid %d, cos %d\n",
4856			  o->cids[cos], cos);
4857		ECORE_MSG(sc, "context pointer %p\n", init->cxts[cos]);
4858		ECORE_SET_CTX_VALIDATION(sc, init->cxts[cos], o->cids[cos]);
4859	}
4860
4861	/* As no ramrod is sent, complete the command immediately  */
4862	o->complete_cmd(sc, o, ECORE_Q_CMD_INIT);
4863
4864	ECORE_MMIOWB();
4865	ECORE_SMP_MB();
4866
4867	return ECORE_SUCCESS;
4868}
4869
4870static inline int ecore_q_send_setup_e1x(struct bxe_softc *sc,
4871					struct ecore_queue_state_params *params)
4872{
4873	struct ecore_queue_sp_obj *o = params->q_obj;
4874	struct client_init_ramrod_data *rdata =
4875		(struct client_init_ramrod_data *)o->rdata;
4876	ecore_dma_addr_t data_mapping = o->rdata_mapping;
4877	int ramrod = RAMROD_CMD_ID_ETH_CLIENT_SETUP;
4878
4879	/* Clear the ramrod data */
4880	ECORE_MEMSET(rdata, 0, sizeof(*rdata));
4881
4882	/* Fill the ramrod data */
4883	ecore_q_fill_setup_data_cmn(sc, params, rdata);
4884
4885	/* No need for an explicit memory barrier here as long we would
4886	 * need to ensure the ordering of writing to the SPQ element
4887	 * and updating of the SPQ producer which involves a memory
4888	 * read and we will have to put a full memory barrier there
4889	 * (inside ecore_sp_post()).
4890	 */
4891
4892	return ecore_sp_post(sc,
4893			     ramrod,
4894			     o->cids[ECORE_PRIMARY_CID_INDEX],
4895			     data_mapping,
4896			     ETH_CONNECTION_TYPE);
4897}
4898
4899static inline int ecore_q_send_setup_e2(struct bxe_softc *sc,
4900					struct ecore_queue_state_params *params)
4901{
4902	struct ecore_queue_sp_obj *o = params->q_obj;
4903	struct client_init_ramrod_data *rdata =
4904		(struct client_init_ramrod_data *)o->rdata;
4905	ecore_dma_addr_t data_mapping = o->rdata_mapping;
4906	int ramrod = RAMROD_CMD_ID_ETH_CLIENT_SETUP;
4907
4908	/* Clear the ramrod data */
4909	ECORE_MEMSET(rdata, 0, sizeof(*rdata));
4910
4911	/* Fill the ramrod data */
4912	ecore_q_fill_setup_data_cmn(sc, params, rdata);
4913	ecore_q_fill_setup_data_e2(sc, params, rdata);
4914
4915	/* No need for an explicit memory barrier here as long we would
4916	 * need to ensure the ordering of writing to the SPQ element
4917	 * and updating of the SPQ producer which involves a memory
4918	 * read and we will have to put a full memory barrier there
4919	 * (inside ecore_sp_post()).
4920	 */
4921
4922	return ecore_sp_post(sc,
4923			     ramrod,
4924			     o->cids[ECORE_PRIMARY_CID_INDEX],
4925			     data_mapping,
4926			     ETH_CONNECTION_TYPE);
4927}
4928
4929static inline int ecore_q_send_setup_tx_only(struct bxe_softc *sc,
4930				  struct ecore_queue_state_params *params)
4931{
4932	struct ecore_queue_sp_obj *o = params->q_obj;
4933	struct tx_queue_init_ramrod_data *rdata =
4934		(struct tx_queue_init_ramrod_data *)o->rdata;
4935	ecore_dma_addr_t data_mapping = o->rdata_mapping;
4936	int ramrod = RAMROD_CMD_ID_ETH_TX_QUEUE_SETUP;
4937	struct ecore_queue_setup_tx_only_params *tx_only_params =
4938		&params->params.tx_only;
4939	uint8_t cid_index = tx_only_params->cid_index;
4940
4941	if (ECORE_TEST_BIT(ECORE_Q_TYPE_FWD, &o->type))
4942		ramrod = RAMROD_CMD_ID_ETH_FORWARD_SETUP;
4943	ECORE_MSG(sc, "sending forward tx-only ramrod");
4944
4945	if (cid_index >= o->max_cos) {
4946		ECORE_ERR("queue[%d]: cid_index (%d) is out of range\n",
4947			  o->cl_id, cid_index);
4948		return ECORE_INVAL;
4949	}
4950
4951	ECORE_MSG(sc, "parameters received: cos: %d sp-id: %d\n",
4952		  tx_only_params->gen_params.cos,
4953		  tx_only_params->gen_params.spcl_id);
4954
4955	/* Clear the ramrod data */
4956	ECORE_MEMSET(rdata, 0, sizeof(*rdata));
4957
4958	/* Fill the ramrod data */
4959	ecore_q_fill_setup_tx_only(sc, params, rdata);
4960
4961	ECORE_MSG(sc, "sending tx-only ramrod: cid %d, client-id %d, sp-client id %d, cos %d\n",
4962		  o->cids[cid_index], rdata->general.client_id,
4963		  rdata->general.sp_client_id, rdata->general.cos);
4964
4965	/* No need for an explicit memory barrier here as long we would
4966	 * need to ensure the ordering of writing to the SPQ element
4967	 * and updating of the SPQ producer which involves a memory
4968	 * read and we will have to put a full memory barrier there
4969	 * (inside ecore_sp_post()).
4970	 */
4971
4972	return ecore_sp_post(sc, ramrod, o->cids[cid_index],
4973			     data_mapping, ETH_CONNECTION_TYPE);
4974}
4975
4976static void ecore_q_fill_update_data(struct bxe_softc *sc,
4977				     struct ecore_queue_sp_obj *obj,
4978				     struct ecore_queue_update_params *params,
4979				     struct client_update_ramrod_data *data)
4980{
4981	/* Client ID of the client to update */
4982	data->client_id = obj->cl_id;
4983
4984	/* Function ID of the client to update */
4985	data->func_id = obj->func_id;
4986
4987	/* Default VLAN value */
4988	data->default_vlan = ECORE_CPU_TO_LE16(params->def_vlan);
4989
4990	/* Inner VLAN stripping */
4991	data->inner_vlan_removal_enable_flg =
4992		ECORE_TEST_BIT(ECORE_Q_UPDATE_IN_VLAN_REM,
4993			       &params->update_flags);
4994	data->inner_vlan_removal_change_flg =
4995		ECORE_TEST_BIT(ECORE_Q_UPDATE_IN_VLAN_REM_CHNG,
4996		       &params->update_flags);
4997
4998	/* Outer VLAN stripping */
4999	data->outer_vlan_removal_enable_flg =
5000		ECORE_TEST_BIT(ECORE_Q_UPDATE_OUT_VLAN_REM,
5001			       &params->update_flags);
5002	data->outer_vlan_removal_change_flg =
5003		ECORE_TEST_BIT(ECORE_Q_UPDATE_OUT_VLAN_REM_CHNG,
5004		       &params->update_flags);
5005
5006	/* Drop packets that have source MAC that doesn't belong to this
5007	 * Queue.
5008	 */
5009	data->anti_spoofing_enable_flg =
5010		ECORE_TEST_BIT(ECORE_Q_UPDATE_ANTI_SPOOF,
5011			       &params->update_flags);
5012	data->anti_spoofing_change_flg =
5013		ECORE_TEST_BIT(ECORE_Q_UPDATE_ANTI_SPOOF_CHNG,
5014		       &params->update_flags);
5015
5016	/* Activate/Deactivate */
5017	data->activate_flg =
5018		ECORE_TEST_BIT(ECORE_Q_UPDATE_ACTIVATE, &params->update_flags);
5019	data->activate_change_flg =
5020		ECORE_TEST_BIT(ECORE_Q_UPDATE_ACTIVATE_CHNG,
5021			       &params->update_flags);
5022
5023	/* Enable default VLAN */
5024	data->default_vlan_enable_flg =
5025		ECORE_TEST_BIT(ECORE_Q_UPDATE_DEF_VLAN_EN,
5026			       &params->update_flags);
5027	data->default_vlan_change_flg =
5028		ECORE_TEST_BIT(ECORE_Q_UPDATE_DEF_VLAN_EN_CHNG,
5029		       &params->update_flags);
5030
5031	/* silent vlan removal */
5032	data->silent_vlan_change_flg =
5033		ECORE_TEST_BIT(ECORE_Q_UPDATE_SILENT_VLAN_REM_CHNG,
5034			       &params->update_flags);
5035	data->silent_vlan_removal_flg =
5036		ECORE_TEST_BIT(ECORE_Q_UPDATE_SILENT_VLAN_REM,
5037			       &params->update_flags);
5038	data->silent_vlan_value = ECORE_CPU_TO_LE16(params->silent_removal_value);
5039	data->silent_vlan_mask = ECORE_CPU_TO_LE16(params->silent_removal_mask);
5040
5041	/* tx switching */
5042	data->tx_switching_flg =
5043		ECORE_TEST_BIT(ECORE_Q_UPDATE_TX_SWITCHING,
5044			       &params->update_flags);
5045	data->tx_switching_change_flg =
5046		ECORE_TEST_BIT(ECORE_Q_UPDATE_TX_SWITCHING_CHNG,
5047			       &params->update_flags);
5048}
5049
5050static inline int ecore_q_send_update(struct bxe_softc *sc,
5051				      struct ecore_queue_state_params *params)
5052{
5053	struct ecore_queue_sp_obj *o = params->q_obj;
5054	struct client_update_ramrod_data *rdata =
5055		(struct client_update_ramrod_data *)o->rdata;
5056	ecore_dma_addr_t data_mapping = o->rdata_mapping;
5057	struct ecore_queue_update_params *update_params =
5058		&params->params.update;
5059	uint8_t cid_index = update_params->cid_index;
5060
5061	if (cid_index >= o->max_cos) {
5062		ECORE_ERR("queue[%d]: cid_index (%d) is out of range\n",
5063			  o->cl_id, cid_index);
5064		return ECORE_INVAL;
5065	}
5066
5067	/* Clear the ramrod data */
5068	ECORE_MEMSET(rdata, 0, sizeof(*rdata));
5069
5070	/* Fill the ramrod data */
5071	ecore_q_fill_update_data(sc, o, update_params, rdata);
5072
5073	/* No need for an explicit memory barrier here as long we would
5074	 * need to ensure the ordering of writing to the SPQ element
5075	 * and updating of the SPQ producer which involves a memory
5076	 * read and we will have to put a full memory barrier there
5077	 * (inside ecore_sp_post()).
5078	 */
5079
5080	return ecore_sp_post(sc, RAMROD_CMD_ID_ETH_CLIENT_UPDATE,
5081			     o->cids[cid_index], data_mapping,
5082			     ETH_CONNECTION_TYPE);
5083}
5084
5085/**
5086 * ecore_q_send_deactivate - send DEACTIVATE command
5087 *
5088 * @sc:		device handle
5089 * @params:
5090 *
5091 * implemented using the UPDATE command.
5092 */
5093static inline int ecore_q_send_deactivate(struct bxe_softc *sc,
5094					struct ecore_queue_state_params *params)
5095{
5096	struct ecore_queue_update_params *update = &params->params.update;
5097
5098	ECORE_MEMSET(update, 0, sizeof(*update));
5099
5100	ECORE_SET_BIT_NA(ECORE_Q_UPDATE_ACTIVATE_CHNG, &update->update_flags);
5101
5102	return ecore_q_send_update(sc, params);
5103}
5104
5105/**
5106 * ecore_q_send_activate - send ACTIVATE command
5107 *
5108 * @sc:		device handle
5109 * @params:
5110 *
5111 * implemented using the UPDATE command.
5112 */
5113static inline int ecore_q_send_activate(struct bxe_softc *sc,
5114					struct ecore_queue_state_params *params)
5115{
5116	struct ecore_queue_update_params *update = &params->params.update;
5117
5118	ECORE_MEMSET(update, 0, sizeof(*update));
5119
5120	ECORE_SET_BIT_NA(ECORE_Q_UPDATE_ACTIVATE, &update->update_flags);
5121	ECORE_SET_BIT_NA(ECORE_Q_UPDATE_ACTIVATE_CHNG, &update->update_flags);
5122
5123	return ecore_q_send_update(sc, params);
5124}
5125
5126static inline int ecore_q_send_update_tpa(struct bxe_softc *sc,
5127					struct ecore_queue_state_params *params)
5128{
5129	/* TODO: Not implemented yet. */
5130	return -1;
5131}
5132
5133static inline int ecore_q_send_halt(struct bxe_softc *sc,
5134				    struct ecore_queue_state_params *params)
5135{
5136	struct ecore_queue_sp_obj *o = params->q_obj;
5137
5138	/* build eth_halt_ramrod_data.client_id in a big-endian friendly way */
5139	ecore_dma_addr_t data_mapping = 0;
5140	data_mapping = (ecore_dma_addr_t)o->cl_id;
5141
5142	return ecore_sp_post(sc,
5143			     RAMROD_CMD_ID_ETH_HALT,
5144			     o->cids[ECORE_PRIMARY_CID_INDEX],
5145			     data_mapping,
5146			     ETH_CONNECTION_TYPE);
5147}
5148
5149static inline int ecore_q_send_cfc_del(struct bxe_softc *sc,
5150				       struct ecore_queue_state_params *params)
5151{
5152	struct ecore_queue_sp_obj *o = params->q_obj;
5153	uint8_t cid_idx = params->params.cfc_del.cid_index;
5154
5155	if (cid_idx >= o->max_cos) {
5156		ECORE_ERR("queue[%d]: cid_index (%d) is out of range\n",
5157			  o->cl_id, cid_idx);
5158		return ECORE_INVAL;
5159	}
5160
5161	return ecore_sp_post(sc, RAMROD_CMD_ID_COMMON_CFC_DEL,
5162			     o->cids[cid_idx], 0,
5163			     NONE_CONNECTION_TYPE);
5164}
5165
5166static inline int ecore_q_send_terminate(struct bxe_softc *sc,
5167					struct ecore_queue_state_params *params)
5168{
5169	struct ecore_queue_sp_obj *o = params->q_obj;
5170	uint8_t cid_index = params->params.terminate.cid_index;
5171
5172	if (cid_index >= o->max_cos) {
5173		ECORE_ERR("queue[%d]: cid_index (%d) is out of range\n",
5174			  o->cl_id, cid_index);
5175		return ECORE_INVAL;
5176	}
5177
5178	return ecore_sp_post(sc, RAMROD_CMD_ID_ETH_TERMINATE,
5179			     o->cids[cid_index], 0,
5180			     ETH_CONNECTION_TYPE);
5181}
5182
5183static inline int ecore_q_send_empty(struct bxe_softc *sc,
5184				     struct ecore_queue_state_params *params)
5185{
5186	struct ecore_queue_sp_obj *o = params->q_obj;
5187
5188	return ecore_sp_post(sc, RAMROD_CMD_ID_ETH_EMPTY,
5189			     o->cids[ECORE_PRIMARY_CID_INDEX], 0,
5190			     ETH_CONNECTION_TYPE);
5191}
5192
5193static inline int ecore_queue_send_cmd_cmn(struct bxe_softc *sc,
5194					struct ecore_queue_state_params *params)
5195{
5196	switch (params->cmd) {
5197	case ECORE_Q_CMD_INIT:
5198		return ecore_q_init(sc, params);
5199	case ECORE_Q_CMD_SETUP_TX_ONLY:
5200		return ecore_q_send_setup_tx_only(sc, params);
5201	case ECORE_Q_CMD_DEACTIVATE:
5202		return ecore_q_send_deactivate(sc, params);
5203	case ECORE_Q_CMD_ACTIVATE:
5204		return ecore_q_send_activate(sc, params);
5205	case ECORE_Q_CMD_UPDATE:
5206		return ecore_q_send_update(sc, params);
5207	case ECORE_Q_CMD_UPDATE_TPA:
5208		return ecore_q_send_update_tpa(sc, params);
5209	case ECORE_Q_CMD_HALT:
5210		return ecore_q_send_halt(sc, params);
5211	case ECORE_Q_CMD_CFC_DEL:
5212		return ecore_q_send_cfc_del(sc, params);
5213	case ECORE_Q_CMD_TERMINATE:
5214		return ecore_q_send_terminate(sc, params);
5215	case ECORE_Q_CMD_EMPTY:
5216		return ecore_q_send_empty(sc, params);
5217	default:
5218		ECORE_ERR("Unknown command: %d\n", params->cmd);
5219		return ECORE_INVAL;
5220	}
5221}
5222
5223static int ecore_queue_send_cmd_e1x(struct bxe_softc *sc,
5224				    struct ecore_queue_state_params *params)
5225{
5226	switch (params->cmd) {
5227	case ECORE_Q_CMD_SETUP:
5228		return ecore_q_send_setup_e1x(sc, params);
5229	case ECORE_Q_CMD_INIT:
5230	case ECORE_Q_CMD_SETUP_TX_ONLY:
5231	case ECORE_Q_CMD_DEACTIVATE:
5232	case ECORE_Q_CMD_ACTIVATE:
5233	case ECORE_Q_CMD_UPDATE:
5234	case ECORE_Q_CMD_UPDATE_TPA:
5235	case ECORE_Q_CMD_HALT:
5236	case ECORE_Q_CMD_CFC_DEL:
5237	case ECORE_Q_CMD_TERMINATE:
5238	case ECORE_Q_CMD_EMPTY:
5239		return ecore_queue_send_cmd_cmn(sc, params);
5240	default:
5241		ECORE_ERR("Unknown command: %d\n", params->cmd);
5242		return ECORE_INVAL;
5243	}
5244}
5245
5246static int ecore_queue_send_cmd_e2(struct bxe_softc *sc,
5247				   struct ecore_queue_state_params *params)
5248{
5249	switch (params->cmd) {
5250	case ECORE_Q_CMD_SETUP:
5251		return ecore_q_send_setup_e2(sc, params);
5252	case ECORE_Q_CMD_INIT:
5253	case ECORE_Q_CMD_SETUP_TX_ONLY:
5254	case ECORE_Q_CMD_DEACTIVATE:
5255	case ECORE_Q_CMD_ACTIVATE:
5256	case ECORE_Q_CMD_UPDATE:
5257	case ECORE_Q_CMD_UPDATE_TPA:
5258	case ECORE_Q_CMD_HALT:
5259	case ECORE_Q_CMD_CFC_DEL:
5260	case ECORE_Q_CMD_TERMINATE:
5261	case ECORE_Q_CMD_EMPTY:
5262		return ecore_queue_send_cmd_cmn(sc, params);
5263	default:
5264		ECORE_ERR("Unknown command: %d\n", params->cmd);
5265		return ECORE_INVAL;
5266	}
5267}
5268
5269/**
5270 * ecore_queue_chk_transition - check state machine of a regular Queue
5271 *
5272 * @sc:		device handle
5273 * @o:
5274 * @params:
5275 *
5276 * (not Forwarding)
5277 * It both checks if the requested command is legal in a current
5278 * state and, if it's legal, sets a `next_state' in the object
5279 * that will be used in the completion flow to set the `state'
5280 * of the object.
5281 *
5282 * returns 0 if a requested command is a legal transition,
5283 *         ECORE_INVAL otherwise.
5284 */
5285static int ecore_queue_chk_transition(struct bxe_softc *sc,
5286				      struct ecore_queue_sp_obj *o,
5287				      struct ecore_queue_state_params *params)
5288{
5289	enum ecore_q_state state = o->state, next_state = ECORE_Q_STATE_MAX;
5290	enum ecore_queue_cmd cmd = params->cmd;
5291	struct ecore_queue_update_params *update_params =
5292		 &params->params.update;
5293	uint8_t next_tx_only = o->num_tx_only;
5294
5295	/* Forget all pending for completion commands if a driver only state
5296	 * transition has been requested.
5297	 */
5298	if (ECORE_TEST_BIT(RAMROD_DRV_CLR_ONLY, &params->ramrod_flags)) {
5299		o->pending = 0;
5300		o->next_state = ECORE_Q_STATE_MAX;
5301	}
5302
5303	/* Don't allow a next state transition if we are in the middle of
5304	 * the previous one.
5305	 */
5306	if (o->pending) {
5307		ECORE_ERR("Blocking transition since pending was %lx\n",
5308			  o->pending);
5309		return ECORE_BUSY;
5310	}
5311
5312	switch (state) {
5313	case ECORE_Q_STATE_RESET:
5314		if (cmd == ECORE_Q_CMD_INIT)
5315			next_state = ECORE_Q_STATE_INITIALIZED;
5316
5317		break;
5318	case ECORE_Q_STATE_INITIALIZED:
5319		if (cmd == ECORE_Q_CMD_SETUP) {
5320			if (ECORE_TEST_BIT(ECORE_Q_FLG_ACTIVE,
5321					   &params->params.setup.flags))
5322				next_state = ECORE_Q_STATE_ACTIVE;
5323			else
5324				next_state = ECORE_Q_STATE_INACTIVE;
5325		}
5326
5327		break;
5328	case ECORE_Q_STATE_ACTIVE:
5329		if (cmd == ECORE_Q_CMD_DEACTIVATE)
5330			next_state = ECORE_Q_STATE_INACTIVE;
5331
5332		else if ((cmd == ECORE_Q_CMD_EMPTY) ||
5333			 (cmd == ECORE_Q_CMD_UPDATE_TPA))
5334			next_state = ECORE_Q_STATE_ACTIVE;
5335
5336		else if (cmd == ECORE_Q_CMD_SETUP_TX_ONLY) {
5337			next_state = ECORE_Q_STATE_MULTI_COS;
5338			next_tx_only = 1;
5339		}
5340
5341		else if (cmd == ECORE_Q_CMD_HALT)
5342			next_state = ECORE_Q_STATE_STOPPED;
5343
5344		else if (cmd == ECORE_Q_CMD_UPDATE) {
5345			/* If "active" state change is requested, update the
5346			 *  state accordingly.
5347			 */
5348			if (ECORE_TEST_BIT(ECORE_Q_UPDATE_ACTIVATE_CHNG,
5349					   &update_params->update_flags) &&
5350			    !ECORE_TEST_BIT(ECORE_Q_UPDATE_ACTIVATE,
5351					    &update_params->update_flags))
5352				next_state = ECORE_Q_STATE_INACTIVE;
5353			else
5354				next_state = ECORE_Q_STATE_ACTIVE;
5355		}
5356
5357		break;
5358	case ECORE_Q_STATE_MULTI_COS:
5359		if (cmd == ECORE_Q_CMD_TERMINATE)
5360			next_state = ECORE_Q_STATE_MCOS_TERMINATED;
5361
5362		else if (cmd == ECORE_Q_CMD_SETUP_TX_ONLY) {
5363			next_state = ECORE_Q_STATE_MULTI_COS;
5364			next_tx_only = o->num_tx_only + 1;
5365		}
5366
5367		else if ((cmd == ECORE_Q_CMD_EMPTY) ||
5368			 (cmd == ECORE_Q_CMD_UPDATE_TPA))
5369			next_state = ECORE_Q_STATE_MULTI_COS;
5370
5371		else if (cmd == ECORE_Q_CMD_UPDATE) {
5372			/* If "active" state change is requested, update the
5373			 *  state accordingly.
5374			 */
5375			if (ECORE_TEST_BIT(ECORE_Q_UPDATE_ACTIVATE_CHNG,
5376					   &update_params->update_flags) &&
5377			    !ECORE_TEST_BIT(ECORE_Q_UPDATE_ACTIVATE,
5378					    &update_params->update_flags))
5379				next_state = ECORE_Q_STATE_INACTIVE;
5380			else
5381				next_state = ECORE_Q_STATE_MULTI_COS;
5382		}
5383
5384		break;
5385	case ECORE_Q_STATE_MCOS_TERMINATED:
5386		if (cmd == ECORE_Q_CMD_CFC_DEL) {
5387			next_tx_only = o->num_tx_only - 1;
5388			if (next_tx_only == 0)
5389				next_state = ECORE_Q_STATE_ACTIVE;
5390			else
5391				next_state = ECORE_Q_STATE_MULTI_COS;
5392		}
5393
5394		break;
5395	case ECORE_Q_STATE_INACTIVE:
5396		if (cmd == ECORE_Q_CMD_ACTIVATE)
5397			next_state = ECORE_Q_STATE_ACTIVE;
5398
5399		else if ((cmd == ECORE_Q_CMD_EMPTY) ||
5400			 (cmd == ECORE_Q_CMD_UPDATE_TPA))
5401			next_state = ECORE_Q_STATE_INACTIVE;
5402
5403		else if (cmd == ECORE_Q_CMD_HALT)
5404			next_state = ECORE_Q_STATE_STOPPED;
5405
5406		else if (cmd == ECORE_Q_CMD_UPDATE) {
5407			/* If "active" state change is requested, update the
5408			 * state accordingly.
5409			 */
5410			if (ECORE_TEST_BIT(ECORE_Q_UPDATE_ACTIVATE_CHNG,
5411					   &update_params->update_flags) &&
5412			    ECORE_TEST_BIT(ECORE_Q_UPDATE_ACTIVATE,
5413					   &update_params->update_flags)){
5414				if (o->num_tx_only == 0)
5415					next_state = ECORE_Q_STATE_ACTIVE;
5416				else /* tx only queues exist for this queue */
5417					next_state = ECORE_Q_STATE_MULTI_COS;
5418			} else
5419				next_state = ECORE_Q_STATE_INACTIVE;
5420		}
5421
5422		break;
5423	case ECORE_Q_STATE_STOPPED:
5424		if (cmd == ECORE_Q_CMD_TERMINATE)
5425			next_state = ECORE_Q_STATE_TERMINATED;
5426
5427		break;
5428	case ECORE_Q_STATE_TERMINATED:
5429		if (cmd == ECORE_Q_CMD_CFC_DEL)
5430			next_state = ECORE_Q_STATE_RESET;
5431
5432		break;
5433	default:
5434		ECORE_ERR("Illegal state: %d\n", state);
5435	}
5436
5437	/* Transition is assured */
5438	if (next_state != ECORE_Q_STATE_MAX) {
5439		ECORE_MSG(sc, "Good state transition: %d(%d)->%d\n",
5440			  state, cmd, next_state);
5441		o->next_state = next_state;
5442		o->next_tx_only = next_tx_only;
5443		return ECORE_SUCCESS;
5444	}
5445
5446	ECORE_MSG(sc, "Bad state transition request: %d %d\n", state, cmd);
5447
5448	return ECORE_INVAL;
5449}
5450
5451/**
5452 * ecore_queue_chk_fwd_transition - check state machine of a Forwarding Queue.
5453 *
5454 * @sc:		device handle
5455 * @o:
5456 * @params:
5457 *
5458 * It both checks if the requested command is legal in a current
5459 * state and, if it's legal, sets a `next_state' in the object
5460 * that will be used in the completion flow to set the `state'
5461 * of the object.
5462 *
5463 * returns 0 if a requested command is a legal transition,
5464 *         ECORE_INVAL otherwise.
5465 */
5466static int ecore_queue_chk_fwd_transition(struct bxe_softc *sc,
5467					  struct ecore_queue_sp_obj *o,
5468					struct ecore_queue_state_params *params)
5469{
5470	enum ecore_q_state state = o->state, next_state = ECORE_Q_STATE_MAX;
5471	enum ecore_queue_cmd cmd = params->cmd;
5472
5473	switch (state) {
5474	case ECORE_Q_STATE_RESET:
5475		if (cmd == ECORE_Q_CMD_INIT)
5476			next_state = ECORE_Q_STATE_INITIALIZED;
5477
5478		break;
5479	case ECORE_Q_STATE_INITIALIZED:
5480		if (cmd == ECORE_Q_CMD_SETUP_TX_ONLY) {
5481			if (ECORE_TEST_BIT(ECORE_Q_FLG_ACTIVE,
5482					   &params->params.tx_only.flags))
5483				next_state = ECORE_Q_STATE_ACTIVE;
5484			else
5485				next_state = ECORE_Q_STATE_INACTIVE;
5486		}
5487
5488		break;
5489	case ECORE_Q_STATE_ACTIVE:
5490	case ECORE_Q_STATE_INACTIVE:
5491		if (cmd == ECORE_Q_CMD_CFC_DEL)
5492			next_state = ECORE_Q_STATE_RESET;
5493
5494		break;
5495	default:
5496		ECORE_ERR("Illegal state: %d\n", state);
5497	}
5498
5499	/* Transition is assured */
5500	if (next_state != ECORE_Q_STATE_MAX) {
5501		ECORE_MSG(sc, "Good state transition: %d(%d)->%d\n",
5502			  state, cmd, next_state);
5503		o->next_state = next_state;
5504		return ECORE_SUCCESS;
5505	}
5506
5507	ECORE_MSG(sc, "Bad state transition request: %d %d\n", state, cmd);
5508	return ECORE_INVAL;
5509}
5510
5511void ecore_init_queue_obj(struct bxe_softc *sc,
5512			  struct ecore_queue_sp_obj *obj,
5513			  uint8_t cl_id, uint32_t *cids, uint8_t cid_cnt, uint8_t func_id,
5514			  void *rdata,
5515			  ecore_dma_addr_t rdata_mapping, unsigned long type)
5516{
5517	ECORE_MEMSET(obj, 0, sizeof(*obj));
5518
5519	/* We support only ECORE_MULTI_TX_COS Tx CoS at the moment */
5520	ECORE_BUG_ON(ECORE_MULTI_TX_COS < cid_cnt);
5521
5522	memcpy(obj->cids, cids, sizeof(obj->cids[0]) * cid_cnt);
5523	obj->max_cos = cid_cnt;
5524	obj->cl_id = cl_id;
5525	obj->func_id = func_id;
5526	obj->rdata = rdata;
5527	obj->rdata_mapping = rdata_mapping;
5528	obj->type = type;
5529	obj->next_state = ECORE_Q_STATE_MAX;
5530
5531	if (CHIP_IS_E1x(sc))
5532		obj->send_cmd = ecore_queue_send_cmd_e1x;
5533	else
5534		obj->send_cmd = ecore_queue_send_cmd_e2;
5535
5536	if (ECORE_TEST_BIT(ECORE_Q_TYPE_FWD, &type))
5537		obj->check_transition = ecore_queue_chk_fwd_transition;
5538	else
5539	obj->check_transition = ecore_queue_chk_transition;
5540
5541	obj->complete_cmd = ecore_queue_comp_cmd;
5542	obj->wait_comp = ecore_queue_wait_comp;
5543	obj->set_pending = ecore_queue_set_pending;
5544}
5545
5546/* return a queue object's logical state*/
5547int ecore_get_q_logical_state(struct bxe_softc *sc,
5548			       struct ecore_queue_sp_obj *obj)
5549{
5550	switch (obj->state) {
5551	case ECORE_Q_STATE_ACTIVE:
5552	case ECORE_Q_STATE_MULTI_COS:
5553		return ECORE_Q_LOGICAL_STATE_ACTIVE;
5554	case ECORE_Q_STATE_RESET:
5555	case ECORE_Q_STATE_INITIALIZED:
5556	case ECORE_Q_STATE_MCOS_TERMINATED:
5557	case ECORE_Q_STATE_INACTIVE:
5558	case ECORE_Q_STATE_STOPPED:
5559	case ECORE_Q_STATE_TERMINATED:
5560	case ECORE_Q_STATE_FLRED:
5561		return ECORE_Q_LOGICAL_STATE_STOPPED;
5562	default:
5563		return ECORE_INVAL;
5564	}
5565}
5566
5567/********************** Function state object *********************************/
5568enum ecore_func_state ecore_func_get_state(struct bxe_softc *sc,
5569					   struct ecore_func_sp_obj *o)
5570{
5571	/* in the middle of transaction - return INVALID state */
5572	if (o->pending)
5573		return ECORE_F_STATE_MAX;
5574
5575	/* unsure the order of reading of o->pending and o->state
5576	 * o->pending should be read first
5577	 */
5578	rmb();
5579
5580	return o->state;
5581}
5582
5583static int ecore_func_wait_comp(struct bxe_softc *sc,
5584				struct ecore_func_sp_obj *o,
5585				enum ecore_func_cmd cmd)
5586{
5587	return ecore_state_wait(sc, cmd, &o->pending);
5588}
5589
5590/**
5591 * ecore_func_state_change_comp - complete the state machine transition
5592 *
5593 * @sc:		device handle
5594 * @o:
5595 * @cmd:
5596 *
5597 * Called on state change transition. Completes the state
5598 * machine transition only - no HW interaction.
5599 */
5600static inline int ecore_func_state_change_comp(struct bxe_softc *sc,
5601					       struct ecore_func_sp_obj *o,
5602					       enum ecore_func_cmd cmd)
5603{
5604	unsigned long cur_pending = o->pending;
5605
5606	if (!ECORE_TEST_AND_CLEAR_BIT(cmd, &cur_pending)) {
5607		ECORE_ERR("Bad MC reply %d for func %d in state %d pending 0x%lx, next_state %d\n",
5608			  cmd, ECORE_FUNC_ID(sc), o->state,
5609			  cur_pending, o->next_state);
5610		return ECORE_INVAL;
5611	}
5612
5613	ECORE_MSG(sc,
5614		  "Completing command %d for func %d, setting state to %d\n",
5615		  cmd, ECORE_FUNC_ID(sc), o->next_state);
5616
5617	o->state = o->next_state;
5618	o->next_state = ECORE_F_STATE_MAX;
5619
5620	/* It's important that o->state and o->next_state are
5621	 * updated before o->pending.
5622	 */
5623	wmb();
5624
5625	ECORE_CLEAR_BIT(cmd, &o->pending);
5626	ECORE_SMP_MB_AFTER_CLEAR_BIT();
5627
5628	return ECORE_SUCCESS;
5629}
5630
5631/**
5632 * ecore_func_comp_cmd - complete the state change command
5633 *
5634 * @sc:		device handle
5635 * @o:
5636 * @cmd:
5637 *
5638 * Checks that the arrived completion is expected.
5639 */
5640static int ecore_func_comp_cmd(struct bxe_softc *sc,
5641			       struct ecore_func_sp_obj *o,
5642			       enum ecore_func_cmd cmd)
5643{
5644	/* Complete the state machine part first, check if it's a
5645	 * legal completion.
5646	 */
5647	int rc = ecore_func_state_change_comp(sc, o, cmd);
5648	return rc;
5649}
5650
5651/**
5652 * ecore_func_chk_transition - perform function state machine transition
5653 *
5654 * @sc:		device handle
5655 * @o:
5656 * @params:
5657 *
5658 * It both checks if the requested command is legal in a current
5659 * state and, if it's legal, sets a `next_state' in the object
5660 * that will be used in the completion flow to set the `state'
5661 * of the object.
5662 *
5663 * returns 0 if a requested command is a legal transition,
5664 *         ECORE_INVAL otherwise.
5665 */
5666static int ecore_func_chk_transition(struct bxe_softc *sc,
5667				     struct ecore_func_sp_obj *o,
5668				     struct ecore_func_state_params *params)
5669{
5670	enum ecore_func_state state = o->state, next_state = ECORE_F_STATE_MAX;
5671	enum ecore_func_cmd cmd = params->cmd;
5672
5673	/* Forget all pending for completion commands if a driver only state
5674	 * transition has been requested.
5675	 */
5676	if (ECORE_TEST_BIT(RAMROD_DRV_CLR_ONLY, &params->ramrod_flags)) {
5677		o->pending = 0;
5678		o->next_state = ECORE_F_STATE_MAX;
5679	}
5680
5681	/* Don't allow a next state transition if we are in the middle of
5682	 * the previous one.
5683	 */
5684	if (o->pending)
5685		return ECORE_BUSY;
5686
5687	switch (state) {
5688	case ECORE_F_STATE_RESET:
5689		if (cmd == ECORE_F_CMD_HW_INIT)
5690			next_state = ECORE_F_STATE_INITIALIZED;
5691
5692		break;
5693	case ECORE_F_STATE_INITIALIZED:
5694		if (cmd == ECORE_F_CMD_START)
5695			next_state = ECORE_F_STATE_STARTED;
5696
5697		else if (cmd == ECORE_F_CMD_HW_RESET)
5698			next_state = ECORE_F_STATE_RESET;
5699
5700		break;
5701	case ECORE_F_STATE_STARTED:
5702		if (cmd == ECORE_F_CMD_STOP)
5703			next_state = ECORE_F_STATE_INITIALIZED;
5704		/* afex ramrods can be sent only in started mode, and only
5705		 * if not pending for function_stop ramrod completion
5706		 * for these events - next state remained STARTED.
5707		 */
5708		else if ((cmd == ECORE_F_CMD_AFEX_UPDATE) &&
5709			 (!ECORE_TEST_BIT(ECORE_F_CMD_STOP, &o->pending)))
5710			next_state = ECORE_F_STATE_STARTED;
5711
5712		else if ((cmd == ECORE_F_CMD_AFEX_VIFLISTS) &&
5713			 (!ECORE_TEST_BIT(ECORE_F_CMD_STOP, &o->pending)))
5714			next_state = ECORE_F_STATE_STARTED;
5715
5716		/* Switch_update ramrod can be sent in either started or
5717		 * tx_stopped state, and it doesn't change the state.
5718		 */
5719		else if ((cmd == ECORE_F_CMD_SWITCH_UPDATE) &&
5720			 (!ECORE_TEST_BIT(ECORE_F_CMD_STOP, &o->pending)))
5721			next_state = ECORE_F_STATE_STARTED;
5722
5723		else if (cmd == ECORE_F_CMD_TX_STOP)
5724			next_state = ECORE_F_STATE_TX_STOPPED;
5725
5726		break;
5727	case ECORE_F_STATE_TX_STOPPED:
5728		if ((cmd == ECORE_F_CMD_SWITCH_UPDATE) &&
5729		    (!ECORE_TEST_BIT(ECORE_F_CMD_STOP, &o->pending)))
5730			next_state = ECORE_F_STATE_TX_STOPPED;
5731
5732		else if (cmd == ECORE_F_CMD_TX_START)
5733			next_state = ECORE_F_STATE_STARTED;
5734
5735		break;
5736	default:
5737		ECORE_ERR("Unknown state: %d\n", state);
5738	}
5739
5740	/* Transition is assured */
5741	if (next_state != ECORE_F_STATE_MAX) {
5742		ECORE_MSG(sc, "Good function state transition: %d(%d)->%d\n",
5743			  state, cmd, next_state);
5744		o->next_state = next_state;
5745		return ECORE_SUCCESS;
5746	}
5747
5748	ECORE_MSG(sc, "Bad function state transition request: %d %d\n",
5749		  state, cmd);
5750
5751	return ECORE_INVAL;
5752}
5753
5754/**
5755 * ecore_func_init_func - performs HW init at function stage
5756 *
5757 * @sc:		device handle
5758 * @drv:
5759 *
5760 * Init HW when the current phase is
5761 * FW_MSG_CODE_DRV_LOAD_FUNCTION: initialize only FUNCTION-only
5762 * HW blocks.
5763 */
5764static inline int ecore_func_init_func(struct bxe_softc *sc,
5765				       const struct ecore_func_sp_drv_ops *drv)
5766{
5767	return drv->init_hw_func(sc);
5768}
5769
5770/**
5771 * ecore_func_init_port - performs HW init at port stage
5772 *
5773 * @sc:		device handle
5774 * @drv:
5775 *
5776 * Init HW when the current phase is
5777 * FW_MSG_CODE_DRV_LOAD_PORT: initialize PORT-only and
5778 * FUNCTION-only HW blocks.
5779 *
5780 */
5781static inline int ecore_func_init_port(struct bxe_softc *sc,
5782				       const struct ecore_func_sp_drv_ops *drv)
5783{
5784	int rc = drv->init_hw_port(sc);
5785	if (rc)
5786		return rc;
5787
5788	return ecore_func_init_func(sc, drv);
5789}
5790
5791/**
5792 * ecore_func_init_cmn_chip - performs HW init at chip-common stage
5793 *
5794 * @sc:		device handle
5795 * @drv:
5796 *
5797 * Init HW when the current phase is
5798 * FW_MSG_CODE_DRV_LOAD_COMMON_CHIP: initialize COMMON_CHIP,
5799 * PORT-only and FUNCTION-only HW blocks.
5800 */
5801static inline int ecore_func_init_cmn_chip(struct bxe_softc *sc,
5802					const struct ecore_func_sp_drv_ops *drv)
5803{
5804	int rc = drv->init_hw_cmn_chip(sc);
5805	if (rc)
5806		return rc;
5807
5808	return ecore_func_init_port(sc, drv);
5809}
5810
5811/**
5812 * ecore_func_init_cmn - performs HW init at common stage
5813 *
5814 * @sc:		device handle
5815 * @drv:
5816 *
5817 * Init HW when the current phase is
5818 * FW_MSG_CODE_DRV_LOAD_COMMON_CHIP: initialize COMMON,
5819 * PORT-only and FUNCTION-only HW blocks.
5820 */
5821static inline int ecore_func_init_cmn(struct bxe_softc *sc,
5822				      const struct ecore_func_sp_drv_ops *drv)
5823{
5824	int rc = drv->init_hw_cmn(sc);
5825	if (rc)
5826		return rc;
5827
5828	return ecore_func_init_port(sc, drv);
5829}
5830
5831static int ecore_func_hw_init(struct bxe_softc *sc,
5832			      struct ecore_func_state_params *params)
5833{
5834	uint32_t load_code = params->params.hw_init.load_phase;
5835	struct ecore_func_sp_obj *o = params->f_obj;
5836	const struct ecore_func_sp_drv_ops *drv = o->drv;
5837	int rc = 0;
5838
5839	ECORE_MSG(sc, "function %d  load_code %x\n",
5840		  ECORE_ABS_FUNC_ID(sc), load_code);
5841
5842	/* Prepare buffers for unzipping the FW */
5843	rc = drv->gunzip_init(sc);
5844	if (rc)
5845		return rc;
5846
5847	/* Prepare FW */
5848	rc = drv->init_fw(sc);
5849	if (rc) {
5850		ECORE_ERR("Error loading firmware\n");
5851		goto init_err;
5852	}
5853
5854	/* Handle the beginning of COMMON_XXX pases separately... */
5855	switch (load_code) {
5856	case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
5857		rc = ecore_func_init_cmn_chip(sc, drv);
5858		if (rc)
5859			goto init_err;
5860
5861		break;
5862	case FW_MSG_CODE_DRV_LOAD_COMMON:
5863		rc = ecore_func_init_cmn(sc, drv);
5864		if (rc)
5865			goto init_err;
5866
5867		break;
5868	case FW_MSG_CODE_DRV_LOAD_PORT:
5869		rc = ecore_func_init_port(sc, drv);
5870		if (rc)
5871			goto init_err;
5872
5873		break;
5874	case FW_MSG_CODE_DRV_LOAD_FUNCTION:
5875		rc = ecore_func_init_func(sc, drv);
5876		if (rc)
5877			goto init_err;
5878
5879		break;
5880	default:
5881		ECORE_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5882		rc = ECORE_INVAL;
5883	}
5884
5885init_err:
5886	drv->gunzip_end(sc);
5887
5888	/* In case of success, complete the command immediately: no ramrods
5889	 * have been sent.
5890	 */
5891	if (!rc)
5892		o->complete_cmd(sc, o, ECORE_F_CMD_HW_INIT);
5893
5894	return rc;
5895}
5896
5897/**
5898 * ecore_func_reset_func - reset HW at function stage
5899 *
5900 * @sc:		device handle
5901 * @drv:
5902 *
5903 * Reset HW at FW_MSG_CODE_DRV_UNLOAD_FUNCTION stage: reset only
5904 * FUNCTION-only HW blocks.
5905 */
5906static inline void ecore_func_reset_func(struct bxe_softc *sc,
5907					const struct ecore_func_sp_drv_ops *drv)
5908{
5909	drv->reset_hw_func(sc);
5910}
5911
5912/**
5913 * ecore_func_reset_port - reser HW at port stage
5914 *
5915 * @sc:		device handle
5916 * @drv:
5917 *
5918 * Reset HW at FW_MSG_CODE_DRV_UNLOAD_PORT stage: reset
5919 * FUNCTION-only and PORT-only HW blocks.
5920 *
5921 *                 !!!IMPORTANT!!!
5922 *
5923 * It's important to call reset_port before reset_func() as the last thing
5924 * reset_func does is pf_disable() thus disabling PGLUE_B, which
5925 * makes impossible any DMAE transactions.
5926 */
5927static inline void ecore_func_reset_port(struct bxe_softc *sc,
5928					const struct ecore_func_sp_drv_ops *drv)
5929{
5930	drv->reset_hw_port(sc);
5931	ecore_func_reset_func(sc, drv);
5932}
5933
5934/**
5935 * ecore_func_reset_cmn - reser HW at common stage
5936 *
5937 * @sc:		device handle
5938 * @drv:
5939 *
5940 * Reset HW at FW_MSG_CODE_DRV_UNLOAD_COMMON and
5941 * FW_MSG_CODE_DRV_UNLOAD_COMMON_CHIP stages: reset COMMON,
5942 * COMMON_CHIP, FUNCTION-only and PORT-only HW blocks.
5943 */
5944static inline void ecore_func_reset_cmn(struct bxe_softc *sc,
5945					const struct ecore_func_sp_drv_ops *drv)
5946{
5947	ecore_func_reset_port(sc, drv);
5948	drv->reset_hw_cmn(sc);
5949}
5950
5951static inline int ecore_func_hw_reset(struct bxe_softc *sc,
5952				      struct ecore_func_state_params *params)
5953{
5954	uint32_t reset_phase = params->params.hw_reset.reset_phase;
5955	struct ecore_func_sp_obj *o = params->f_obj;
5956	const struct ecore_func_sp_drv_ops *drv = o->drv;
5957
5958	ECORE_MSG(sc, "function %d  reset_phase %x\n", ECORE_ABS_FUNC_ID(sc),
5959		  reset_phase);
5960
5961	switch (reset_phase) {
5962	case FW_MSG_CODE_DRV_UNLOAD_COMMON:
5963		ecore_func_reset_cmn(sc, drv);
5964		break;
5965	case FW_MSG_CODE_DRV_UNLOAD_PORT:
5966		ecore_func_reset_port(sc, drv);
5967		break;
5968	case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
5969		ecore_func_reset_func(sc, drv);
5970		break;
5971	default:
5972		ECORE_ERR("Unknown reset_phase (0x%x) from MCP\n",
5973			  reset_phase);
5974		break;
5975	}
5976
5977	/* Complete the command immediately: no ramrods have been sent. */
5978	o->complete_cmd(sc, o, ECORE_F_CMD_HW_RESET);
5979
5980	return ECORE_SUCCESS;
5981}
5982
5983static inline int ecore_func_send_start(struct bxe_softc *sc,
5984					struct ecore_func_state_params *params)
5985{
5986	struct ecore_func_sp_obj *o = params->f_obj;
5987	struct function_start_data *rdata =
5988		(struct function_start_data *)o->rdata;
5989	ecore_dma_addr_t data_mapping = o->rdata_mapping;
5990	struct ecore_func_start_params *start_params = &params->params.start;
5991
5992	ECORE_MEMSET(rdata, 0, sizeof(*rdata));
5993
5994	/* Fill the ramrod data with provided parameters */
5995	rdata->function_mode	= (uint8_t)start_params->mf_mode;
5996	rdata->sd_vlan_tag	= ECORE_CPU_TO_LE16(start_params->sd_vlan_tag);
5997	rdata->path_id		= ECORE_PATH_ID(sc);
5998	rdata->network_cos_mode	= start_params->network_cos_mode;
5999	rdata->gre_tunnel_mode	= start_params->gre_tunnel_mode;
6000	rdata->gre_tunnel_rss	= start_params->gre_tunnel_rss;
6001
6002	/*
6003	 *  No need for an explicit memory barrier here as long we would
6004	 *  need to ensure the ordering of writing to the SPQ element
6005	 *  and updating of the SPQ producer which involves a memory
6006	 *  read and we will have to put a full memory barrier there
6007	 *  (inside ecore_sp_post()).
6008	 */
6009
6010	return ecore_sp_post(sc, RAMROD_CMD_ID_COMMON_FUNCTION_START, 0,
6011			     data_mapping, NONE_CONNECTION_TYPE);
6012}
6013
6014static inline int ecore_func_send_switch_update(struct bxe_softc *sc,
6015					struct ecore_func_state_params *params)
6016{
6017	struct ecore_func_sp_obj *o = params->f_obj;
6018	struct function_update_data *rdata =
6019		(struct function_update_data *)o->rdata;
6020	ecore_dma_addr_t data_mapping = o->rdata_mapping;
6021	struct ecore_func_switch_update_params *switch_update_params =
6022		&params->params.switch_update;
6023
6024	ECORE_MEMSET(rdata, 0, sizeof(*rdata));
6025
6026	/* Fill the ramrod data with provided parameters */
6027	rdata->tx_switch_suspend_change_flg = 1;
6028	rdata->tx_switch_suspend = switch_update_params->suspend;
6029	rdata->echo = SWITCH_UPDATE;
6030
6031	return ecore_sp_post(sc, RAMROD_CMD_ID_COMMON_FUNCTION_UPDATE, 0,
6032			     data_mapping, NONE_CONNECTION_TYPE);
6033}
6034
6035static inline int ecore_func_send_afex_update(struct bxe_softc *sc,
6036					 struct ecore_func_state_params *params)
6037{
6038	struct ecore_func_sp_obj *o = params->f_obj;
6039	struct function_update_data *rdata =
6040		(struct function_update_data *)o->afex_rdata;
6041	ecore_dma_addr_t data_mapping = o->afex_rdata_mapping;
6042	struct ecore_func_afex_update_params *afex_update_params =
6043		&params->params.afex_update;
6044
6045	ECORE_MEMSET(rdata, 0, sizeof(*rdata));
6046
6047	/* Fill the ramrod data with provided parameters */
6048	rdata->vif_id_change_flg = 1;
6049	rdata->vif_id = ECORE_CPU_TO_LE16(afex_update_params->vif_id);
6050	rdata->afex_default_vlan_change_flg = 1;
6051	rdata->afex_default_vlan =
6052		ECORE_CPU_TO_LE16(afex_update_params->afex_default_vlan);
6053	rdata->allowed_priorities_change_flg = 1;
6054	rdata->allowed_priorities = afex_update_params->allowed_priorities;
6055	rdata->echo = AFEX_UPDATE;
6056
6057	/*  No need for an explicit memory barrier here as long we would
6058	 *  need to ensure the ordering of writing to the SPQ element
6059	 *  and updating of the SPQ producer which involves a memory
6060	 *  read and we will have to put a full memory barrier there
6061	 *  (inside ecore_sp_post()).
6062	 */
6063	ECORE_MSG(sc,
6064		  "afex: sending func_update vif_id 0x%x dvlan 0x%x prio 0x%x\n",
6065		  rdata->vif_id,
6066		  rdata->afex_default_vlan, rdata->allowed_priorities);
6067
6068	return ecore_sp_post(sc, RAMROD_CMD_ID_COMMON_FUNCTION_UPDATE, 0,
6069			     data_mapping, NONE_CONNECTION_TYPE);
6070}
6071
6072static
6073inline int ecore_func_send_afex_viflists(struct bxe_softc *sc,
6074					 struct ecore_func_state_params *params)
6075{
6076	struct ecore_func_sp_obj *o = params->f_obj;
6077	struct afex_vif_list_ramrod_data *rdata =
6078		(struct afex_vif_list_ramrod_data *)o->afex_rdata;
6079	struct ecore_func_afex_viflists_params *afex_vif_params =
6080		&params->params.afex_viflists;
6081	uint64_t *p_rdata = (uint64_t *)rdata;
6082
6083	ECORE_MEMSET(rdata, 0, sizeof(*rdata));
6084
6085	/* Fill the ramrod data with provided parameters */
6086	rdata->vif_list_index = ECORE_CPU_TO_LE16(afex_vif_params->vif_list_index);
6087	rdata->func_bit_map          = afex_vif_params->func_bit_map;
6088	rdata->afex_vif_list_command = afex_vif_params->afex_vif_list_command;
6089	rdata->func_to_clear         = afex_vif_params->func_to_clear;
6090
6091	/* send in echo type of sub command */
6092	rdata->echo = afex_vif_params->afex_vif_list_command;
6093
6094	/*  No need for an explicit memory barrier here as long we would
6095	 *  need to ensure the ordering of writing to the SPQ element
6096	 *  and updating of the SPQ producer which involves a memory
6097	 *  read and we will have to put a full memory barrier there
6098	 *  (inside ecore_sp_post()).
6099	 */
6100
6101	ECORE_MSG(sc, "afex: ramrod lists, cmd 0x%x index 0x%x func_bit_map 0x%x func_to_clr 0x%x\n",
6102		  rdata->afex_vif_list_command, rdata->vif_list_index,
6103		  rdata->func_bit_map, rdata->func_to_clear);
6104
6105	/* this ramrod sends data directly and not through DMA mapping */
6106	return ecore_sp_post(sc, RAMROD_CMD_ID_COMMON_AFEX_VIF_LISTS, 0,
6107			     *p_rdata, NONE_CONNECTION_TYPE);
6108}
6109
6110static inline int ecore_func_send_stop(struct bxe_softc *sc,
6111				       struct ecore_func_state_params *params)
6112{
6113	return ecore_sp_post(sc, RAMROD_CMD_ID_COMMON_FUNCTION_STOP, 0, 0,
6114			     NONE_CONNECTION_TYPE);
6115}
6116
6117static inline int ecore_func_send_tx_stop(struct bxe_softc *sc,
6118				       struct ecore_func_state_params *params)
6119{
6120	return ecore_sp_post(sc, RAMROD_CMD_ID_COMMON_STOP_TRAFFIC, 0, 0,
6121			     NONE_CONNECTION_TYPE);
6122}
6123static inline int ecore_func_send_tx_start(struct bxe_softc *sc,
6124				       struct ecore_func_state_params *params)
6125{
6126	struct ecore_func_sp_obj *o = params->f_obj;
6127	struct flow_control_configuration *rdata =
6128		(struct flow_control_configuration *)o->rdata;
6129	ecore_dma_addr_t data_mapping = o->rdata_mapping;
6130	struct ecore_func_tx_start_params *tx_start_params =
6131		&params->params.tx_start;
6132	int i;
6133
6134	ECORE_MEMSET(rdata, 0, sizeof(*rdata));
6135
6136	rdata->dcb_enabled = tx_start_params->dcb_enabled;
6137	rdata->dcb_version = tx_start_params->dcb_version;
6138	rdata->dont_add_pri_0 = tx_start_params->dont_add_pri_0;
6139
6140	for (i = 0; i < ARRAY_SIZE(rdata->traffic_type_to_priority_cos); i++)
6141		rdata->traffic_type_to_priority_cos[i] =
6142			tx_start_params->traffic_type_to_priority_cos[i];
6143
6144	return ecore_sp_post(sc, RAMROD_CMD_ID_COMMON_START_TRAFFIC, 0,
6145			     data_mapping, NONE_CONNECTION_TYPE);
6146}
6147
6148static int ecore_func_send_cmd(struct bxe_softc *sc,
6149			       struct ecore_func_state_params *params)
6150{
6151	switch (params->cmd) {
6152	case ECORE_F_CMD_HW_INIT:
6153		return ecore_func_hw_init(sc, params);
6154	case ECORE_F_CMD_START:
6155		return ecore_func_send_start(sc, params);
6156	case ECORE_F_CMD_STOP:
6157		return ecore_func_send_stop(sc, params);
6158	case ECORE_F_CMD_HW_RESET:
6159		return ecore_func_hw_reset(sc, params);
6160	case ECORE_F_CMD_AFEX_UPDATE:
6161		return ecore_func_send_afex_update(sc, params);
6162	case ECORE_F_CMD_AFEX_VIFLISTS:
6163		return ecore_func_send_afex_viflists(sc, params);
6164	case ECORE_F_CMD_TX_STOP:
6165		return ecore_func_send_tx_stop(sc, params);
6166	case ECORE_F_CMD_TX_START:
6167		return ecore_func_send_tx_start(sc, params);
6168	case ECORE_F_CMD_SWITCH_UPDATE:
6169		return ecore_func_send_switch_update(sc, params);
6170	default:
6171		ECORE_ERR("Unknown command: %d\n", params->cmd);
6172		return ECORE_INVAL;
6173	}
6174}
6175
6176void ecore_init_func_obj(struct bxe_softc *sc,
6177			 struct ecore_func_sp_obj *obj,
6178			 void *rdata, ecore_dma_addr_t rdata_mapping,
6179			 void *afex_rdata, ecore_dma_addr_t afex_rdata_mapping,
6180			 struct ecore_func_sp_drv_ops *drv_iface)
6181{
6182	ECORE_MEMSET(obj, 0, sizeof(*obj));
6183
6184	ECORE_MUTEX_INIT(&obj->one_pending_mutex);
6185
6186	obj->rdata = rdata;
6187	obj->rdata_mapping = rdata_mapping;
6188	obj->afex_rdata = afex_rdata;
6189	obj->afex_rdata_mapping = afex_rdata_mapping;
6190	obj->send_cmd = ecore_func_send_cmd;
6191	obj->check_transition = ecore_func_chk_transition;
6192	obj->complete_cmd = ecore_func_comp_cmd;
6193	obj->wait_comp = ecore_func_wait_comp;
6194	obj->drv = drv_iface;
6195}
6196
6197/**
6198 * ecore_func_state_change - perform Function state change transition
6199 *
6200 * @sc:		device handle
6201 * @params:	parameters to perform the transaction
6202 *
6203 * returns 0 in case of successfully completed transition,
6204 *         negative error code in case of failure, positive
6205 *         (EBUSY) value if there is a completion to that is
6206 *         still pending (possible only if RAMROD_COMP_WAIT is
6207 *         not set in params->ramrod_flags for asynchronous
6208 *         commands).
6209 */
6210int ecore_func_state_change(struct bxe_softc *sc,
6211			    struct ecore_func_state_params *params)
6212{
6213	struct ecore_func_sp_obj *o = params->f_obj;
6214	int rc, cnt = 300;
6215	enum ecore_func_cmd cmd = params->cmd;
6216	unsigned long *pending = &o->pending;
6217
6218	ECORE_MUTEX_LOCK(&o->one_pending_mutex);
6219
6220	/* Check that the requested transition is legal */
6221	rc = o->check_transition(sc, o, params);
6222	if ((rc == ECORE_BUSY) &&
6223	    (ECORE_TEST_BIT(RAMROD_RETRY, &params->ramrod_flags))) {
6224		while ((rc == ECORE_BUSY) && (--cnt > 0)) {
6225			ECORE_MUTEX_UNLOCK(&o->one_pending_mutex);
6226			ECORE_MSLEEP(10);
6227			ECORE_MUTEX_LOCK(&o->one_pending_mutex);
6228			rc = o->check_transition(sc, o, params);
6229		}
6230		if (rc == ECORE_BUSY) {
6231			ECORE_MUTEX_UNLOCK(&o->one_pending_mutex);
6232			ECORE_ERR("timeout waiting for previous ramrod completion\n");
6233			return rc;
6234		}
6235	} else if (rc) {
6236		ECORE_MUTEX_UNLOCK(&o->one_pending_mutex);
6237		return rc;
6238	}
6239
6240	/* Set "pending" bit */
6241	ECORE_SET_BIT(cmd, pending);
6242
6243	/* Don't send a command if only driver cleanup was requested */
6244	if (ECORE_TEST_BIT(RAMROD_DRV_CLR_ONLY, &params->ramrod_flags)) {
6245		ecore_func_state_change_comp(sc, o, cmd);
6246		ECORE_MUTEX_UNLOCK(&o->one_pending_mutex);
6247	} else {
6248		/* Send a ramrod */
6249		rc = o->send_cmd(sc, params);
6250
6251		ECORE_MUTEX_UNLOCK(&o->one_pending_mutex);
6252
6253		if (rc) {
6254			o->next_state = ECORE_F_STATE_MAX;
6255			ECORE_CLEAR_BIT(cmd, pending);
6256			ECORE_SMP_MB_AFTER_CLEAR_BIT();
6257			return rc;
6258		}
6259
6260		if (ECORE_TEST_BIT(RAMROD_COMP_WAIT, &params->ramrod_flags)) {
6261			rc = o->wait_comp(sc, o, cmd);
6262			if (rc)
6263				return rc;
6264
6265			return ECORE_SUCCESS;
6266		}
6267	}
6268
6269	return ECORE_RET_PENDING(cmd, pending);
6270}
6271