blob: 3f52fadee3edb15c1628099b06fd8786940219ef [file] [log] [blame]
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001/* bnx2x_sp.c: Broadcom Everest network driver.
2 *
Ariel Elior85b26ea2012-01-26 06:01:54 +00003 * Copyright (c) 2011-2012 Broadcom Corporation
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004 *
5 * Unless you and Broadcom execute a separate written software license
6 * agreement governing use of this software, this software is licensed to you
7 * under the terms of the GNU General Public License version 2, available
8 * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
9 *
10 * Notwithstanding the above, under no circumstances may you combine this
11 * software in any way with any other Broadcom software provided under a
12 * license other than the GPL, without Broadcom's express prior written
13 * consent.
14 *
15 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
16 * Written by: Vladislav Zolotarov
17 *
18 */
Joe Perchesf1deab52011-08-14 12:16:21 +000019
20#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
21
Vladislav Zolotarov042181f2011-06-14 01:33:39 +000022#include <linux/module.h>
23#include <linux/crc32.h>
24#include <linux/netdevice.h>
25#include <linux/etherdevice.h>
26#include <linux/crc32c.h>
27#include "bnx2x.h"
28#include "bnx2x_cmn.h"
29#include "bnx2x_sp.h"
30
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030031#define BNX2X_MAX_EMUL_MULTI 16
32
Ariel Eliored5162a2011-12-05 21:52:24 +000033#define MAC_LEADING_ZERO_CNT (ALIGN(ETH_ALEN, sizeof(u32)) - ETH_ALEN)
34
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030035/**** Exe Queue interfaces ****/
Vladislav Zolotarov042181f2011-06-14 01:33:39 +000036
37/**
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030038 * bnx2x_exe_queue_init - init the Exe Queue object
39 *
40 * @o: poiter to the object
41 * @exe_len: length
42 * @owner: poiter to the owner
43 * @validate: validate function pointer
44 * @optimize: optimize function pointer
45 * @exec: execute function pointer
46 * @get: get function pointer
47 */
48static inline void bnx2x_exe_queue_init(struct bnx2x *bp,
49 struct bnx2x_exe_queue_obj *o,
50 int exe_len,
51 union bnx2x_qable_obj *owner,
52 exe_q_validate validate,
Yuval Mintz460a25c2012-01-23 07:31:51 +000053 exe_q_remove remove,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030054 exe_q_optimize optimize,
55 exe_q_execute exec,
56 exe_q_get get)
57{
58 memset(o, 0, sizeof(*o));
59
60 INIT_LIST_HEAD(&o->exe_queue);
61 INIT_LIST_HEAD(&o->pending_comp);
62
63 spin_lock_init(&o->lock);
64
65 o->exe_chunk_len = exe_len;
66 o->owner = owner;
67
68 /* Owner specific callbacks */
69 o->validate = validate;
Yuval Mintz460a25c2012-01-23 07:31:51 +000070 o->remove = remove;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030071 o->optimize = optimize;
72 o->execute = exec;
73 o->get = get;
74
Merav Sicron51c1a582012-03-18 10:33:38 +000075 DP(BNX2X_MSG_SP, "Setup the execution queue with the chunk length of %d\n",
76 exe_len);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030077}
78
79static inline void bnx2x_exe_queue_free_elem(struct bnx2x *bp,
80 struct bnx2x_exeq_elem *elem)
81{
82 DP(BNX2X_MSG_SP, "Deleting an exe_queue element\n");
83 kfree(elem);
84}
85
86static inline int bnx2x_exe_queue_length(struct bnx2x_exe_queue_obj *o)
87{
88 struct bnx2x_exeq_elem *elem;
89 int cnt = 0;
90
91 spin_lock_bh(&o->lock);
92
93 list_for_each_entry(elem, &o->exe_queue, link)
94 cnt++;
95
96 spin_unlock_bh(&o->lock);
97
98 return cnt;
99}
100
101/**
102 * bnx2x_exe_queue_add - add a new element to the execution queue
Vladislav Zolotarov042181f2011-06-14 01:33:39 +0000103 *
104 * @bp: driver handle
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300105 * @o: queue
106 * @cmd: new command to add
107 * @restore: true - do not optimize the command
Vladislav Zolotarov042181f2011-06-14 01:33:39 +0000108 *
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300109 * If the element is optimized or is illegal, frees it.
Vladislav Zolotarov042181f2011-06-14 01:33:39 +0000110 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300111static inline int bnx2x_exe_queue_add(struct bnx2x *bp,
112 struct bnx2x_exe_queue_obj *o,
113 struct bnx2x_exeq_elem *elem,
114 bool restore)
Vladislav Zolotarov042181f2011-06-14 01:33:39 +0000115{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300116 int rc;
Vladislav Zolotarov042181f2011-06-14 01:33:39 +0000117
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300118 spin_lock_bh(&o->lock);
Vladislav Zolotarov042181f2011-06-14 01:33:39 +0000119
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300120 if (!restore) {
121 /* Try to cancel this element queue */
122 rc = o->optimize(bp, o->owner, elem);
123 if (rc)
124 goto free_and_exit;
Vladislav Zolotarov042181f2011-06-14 01:33:39 +0000125
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300126 /* Check if this request is ok */
127 rc = o->validate(bp, o->owner, elem);
128 if (rc) {
129 BNX2X_ERR("Preamble failed: %d\n", rc);
130 goto free_and_exit;
Vladislav Zolotarov042181f2011-06-14 01:33:39 +0000131 }
132 }
133
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300134 /* If so, add it to the execution queue */
135 list_add_tail(&elem->link, &o->exe_queue);
Vladislav Zolotarov042181f2011-06-14 01:33:39 +0000136
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300137 spin_unlock_bh(&o->lock);
138
139 return 0;
140
141free_and_exit:
142 bnx2x_exe_queue_free_elem(bp, elem);
143
144 spin_unlock_bh(&o->lock);
145
146 return rc;
147
148}
149
150static inline void __bnx2x_exe_queue_reset_pending(
151 struct bnx2x *bp,
152 struct bnx2x_exe_queue_obj *o)
153{
154 struct bnx2x_exeq_elem *elem;
155
156 while (!list_empty(&o->pending_comp)) {
157 elem = list_first_entry(&o->pending_comp,
158 struct bnx2x_exeq_elem, link);
159
160 list_del(&elem->link);
161 bnx2x_exe_queue_free_elem(bp, elem);
162 }
163}
164
165static inline void bnx2x_exe_queue_reset_pending(struct bnx2x *bp,
166 struct bnx2x_exe_queue_obj *o)
167{
168
169 spin_lock_bh(&o->lock);
170
171 __bnx2x_exe_queue_reset_pending(bp, o);
172
173 spin_unlock_bh(&o->lock);
174
175}
176
177/**
178 * bnx2x_exe_queue_step - execute one execution chunk atomically
179 *
180 * @bp: driver handle
181 * @o: queue
182 * @ramrod_flags: flags
183 *
184 * (Atomicy is ensured using the exe_queue->lock).
185 */
186static inline int bnx2x_exe_queue_step(struct bnx2x *bp,
187 struct bnx2x_exe_queue_obj *o,
188 unsigned long *ramrod_flags)
189{
190 struct bnx2x_exeq_elem *elem, spacer;
191 int cur_len = 0, rc;
192
193 memset(&spacer, 0, sizeof(spacer));
194
195 spin_lock_bh(&o->lock);
196
197 /*
198 * Next step should not be performed until the current is finished,
199 * unless a DRV_CLEAR_ONLY bit is set. In this case we just want to
200 * properly clear object internals without sending any command to the FW
201 * which also implies there won't be any completion to clear the
202 * 'pending' list.
Vladislav Zolotarov042181f2011-06-14 01:33:39 +0000203 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300204 if (!list_empty(&o->pending_comp)) {
205 if (test_bit(RAMROD_DRV_CLR_ONLY, ramrod_flags)) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000206 DP(BNX2X_MSG_SP, "RAMROD_DRV_CLR_ONLY requested: resetting a pending_comp list\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300207 __bnx2x_exe_queue_reset_pending(bp, o);
208 } else {
209 spin_unlock_bh(&o->lock);
210 return 1;
211 }
Vladislav Zolotarov042181f2011-06-14 01:33:39 +0000212 }
213
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300214 /*
215 * Run through the pending commands list and create a next
216 * execution chunk.
217 */
218 while (!list_empty(&o->exe_queue)) {
219 elem = list_first_entry(&o->exe_queue, struct bnx2x_exeq_elem,
220 link);
221 WARN_ON(!elem->cmd_len);
222
223 if (cur_len + elem->cmd_len <= o->exe_chunk_len) {
224 cur_len += elem->cmd_len;
225 /*
226 * Prevent from both lists being empty when moving an
227 * element. This will allow the call of
228 * bnx2x_exe_queue_empty() without locking.
229 */
230 list_add_tail(&spacer.link, &o->pending_comp);
231 mb();
232 list_del(&elem->link);
233 list_add_tail(&elem->link, &o->pending_comp);
234 list_del(&spacer.link);
235 } else
236 break;
237 }
238
239 /* Sanity check */
240 if (!cur_len) {
241 spin_unlock_bh(&o->lock);
242 return 0;
243 }
244
245 rc = o->execute(bp, o->owner, &o->pending_comp, ramrod_flags);
246 if (rc < 0)
247 /*
248 * In case of an error return the commands back to the queue
249 * and reset the pending_comp.
250 */
251 list_splice_init(&o->pending_comp, &o->exe_queue);
252 else if (!rc)
253 /*
254 * If zero is returned, means there are no outstanding pending
255 * completions and we may dismiss the pending list.
256 */
257 __bnx2x_exe_queue_reset_pending(bp, o);
258
259 spin_unlock_bh(&o->lock);
260 return rc;
261}
262
263static inline bool bnx2x_exe_queue_empty(struct bnx2x_exe_queue_obj *o)
264{
265 bool empty = list_empty(&o->exe_queue);
266
267 /* Don't reorder!!! */
268 mb();
269
270 return empty && list_empty(&o->pending_comp);
271}
272
273static inline struct bnx2x_exeq_elem *bnx2x_exe_queue_alloc_elem(
274 struct bnx2x *bp)
275{
276 DP(BNX2X_MSG_SP, "Allocating a new exe_queue element\n");
277 return kzalloc(sizeof(struct bnx2x_exeq_elem), GFP_ATOMIC);
278}
279
280/************************ raw_obj functions ***********************************/
281static bool bnx2x_raw_check_pending(struct bnx2x_raw_obj *o)
282{
283 return !!test_bit(o->state, o->pstate);
284}
285
286static void bnx2x_raw_clear_pending(struct bnx2x_raw_obj *o)
287{
288 smp_mb__before_clear_bit();
289 clear_bit(o->state, o->pstate);
290 smp_mb__after_clear_bit();
291}
292
293static void bnx2x_raw_set_pending(struct bnx2x_raw_obj *o)
294{
295 smp_mb__before_clear_bit();
296 set_bit(o->state, o->pstate);
297 smp_mb__after_clear_bit();
298}
299
300/**
301 * bnx2x_state_wait - wait until the given bit(state) is cleared
302 *
303 * @bp: device handle
304 * @state: state which is to be cleared
305 * @state_p: state buffer
306 *
307 */
308static inline int bnx2x_state_wait(struct bnx2x *bp, int state,
309 unsigned long *pstate)
310{
311 /* can take a while if any port is running */
312 int cnt = 5000;
313
314
315 if (CHIP_REV_IS_EMUL(bp))
316 cnt *= 20;
317
318 DP(BNX2X_MSG_SP, "waiting for state to become %d\n", state);
319
320 might_sleep();
321 while (cnt--) {
322 if (!test_bit(state, pstate)) {
323#ifdef BNX2X_STOP_ON_ERROR
324 DP(BNX2X_MSG_SP, "exit (cnt %d)\n", 5000 - cnt);
325#endif
326 return 0;
327 }
328
329 usleep_range(1000, 1000);
330
331 if (bp->panic)
332 return -EIO;
333 }
334
335 /* timeout! */
336 BNX2X_ERR("timeout waiting for state %d\n", state);
337#ifdef BNX2X_STOP_ON_ERROR
338 bnx2x_panic();
339#endif
340
341 return -EBUSY;
342}
343
344static int bnx2x_raw_wait(struct bnx2x *bp, struct bnx2x_raw_obj *raw)
345{
346 return bnx2x_state_wait(bp, raw->state, raw->pstate);
347}
348
349/***************** Classification verbs: Set/Del MAC/VLAN/VLAN-MAC ************/
350/* credit handling callbacks */
351static bool bnx2x_get_cam_offset_mac(struct bnx2x_vlan_mac_obj *o, int *offset)
352{
353 struct bnx2x_credit_pool_obj *mp = o->macs_pool;
354
355 WARN_ON(!mp);
356
357 return mp->get_entry(mp, offset);
358}
359
360static bool bnx2x_get_credit_mac(struct bnx2x_vlan_mac_obj *o)
361{
362 struct bnx2x_credit_pool_obj *mp = o->macs_pool;
363
364 WARN_ON(!mp);
365
366 return mp->get(mp, 1);
367}
368
369static bool bnx2x_get_cam_offset_vlan(struct bnx2x_vlan_mac_obj *o, int *offset)
370{
371 struct bnx2x_credit_pool_obj *vp = o->vlans_pool;
372
373 WARN_ON(!vp);
374
375 return vp->get_entry(vp, offset);
376}
377
378static bool bnx2x_get_credit_vlan(struct bnx2x_vlan_mac_obj *o)
379{
380 struct bnx2x_credit_pool_obj *vp = o->vlans_pool;
381
382 WARN_ON(!vp);
383
384 return vp->get(vp, 1);
385}
386
387static bool bnx2x_get_credit_vlan_mac(struct bnx2x_vlan_mac_obj *o)
388{
389 struct bnx2x_credit_pool_obj *mp = o->macs_pool;
390 struct bnx2x_credit_pool_obj *vp = o->vlans_pool;
391
392 if (!mp->get(mp, 1))
393 return false;
394
395 if (!vp->get(vp, 1)) {
396 mp->put(mp, 1);
397 return false;
398 }
399
400 return true;
401}
402
403static bool bnx2x_put_cam_offset_mac(struct bnx2x_vlan_mac_obj *o, int offset)
404{
405 struct bnx2x_credit_pool_obj *mp = o->macs_pool;
406
407 return mp->put_entry(mp, offset);
408}
409
410static bool bnx2x_put_credit_mac(struct bnx2x_vlan_mac_obj *o)
411{
412 struct bnx2x_credit_pool_obj *mp = o->macs_pool;
413
414 return mp->put(mp, 1);
415}
416
417static bool bnx2x_put_cam_offset_vlan(struct bnx2x_vlan_mac_obj *o, int offset)
418{
419 struct bnx2x_credit_pool_obj *vp = o->vlans_pool;
420
421 return vp->put_entry(vp, offset);
422}
423
424static bool bnx2x_put_credit_vlan(struct bnx2x_vlan_mac_obj *o)
425{
426 struct bnx2x_credit_pool_obj *vp = o->vlans_pool;
427
428 return vp->put(vp, 1);
429}
430
431static bool bnx2x_put_credit_vlan_mac(struct bnx2x_vlan_mac_obj *o)
432{
433 struct bnx2x_credit_pool_obj *mp = o->macs_pool;
434 struct bnx2x_credit_pool_obj *vp = o->vlans_pool;
435
436 if (!mp->put(mp, 1))
437 return false;
438
439 if (!vp->put(vp, 1)) {
440 mp->get(mp, 1);
441 return false;
442 }
443
444 return true;
445}
446
Ariel Eliored5162a2011-12-05 21:52:24 +0000447static int bnx2x_get_n_elements(struct bnx2x *bp, struct bnx2x_vlan_mac_obj *o,
448 int n, u8 *buf)
449{
450 struct bnx2x_vlan_mac_registry_elem *pos;
451 u8 *next = buf;
452 int counter = 0;
453
454 /* traverse list */
455 list_for_each_entry(pos, &o->head, link) {
456 if (counter < n) {
457 /* place leading zeroes in buffer */
458 memset(next, 0, MAC_LEADING_ZERO_CNT);
459
460 /* place mac after leading zeroes*/
461 memcpy(next + MAC_LEADING_ZERO_CNT, pos->u.mac.mac,
462 ETH_ALEN);
463
464 /* calculate address of next element and
465 * advance counter
466 */
467 counter++;
468 next = buf + counter * ALIGN(ETH_ALEN, sizeof(u32));
469
470 DP(BNX2X_MSG_SP, "copied element number %d to address %p element was %pM\n",
471 counter, next, pos->u.mac.mac);
472 }
473 }
474 return counter * ETH_ALEN;
475}
476
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300477/* check_add() callbacks */
Merav Sicron51c1a582012-03-18 10:33:38 +0000478static int bnx2x_check_mac_add(struct bnx2x *bp,
479 struct bnx2x_vlan_mac_obj *o,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300480 union bnx2x_classification_ramrod_data *data)
481{
482 struct bnx2x_vlan_mac_registry_elem *pos;
483
Merav Sicron51c1a582012-03-18 10:33:38 +0000484 DP(BNX2X_MSG_SP, "Checking MAC %pM for ADD command\n", data->mac.mac);
485
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300486 if (!is_valid_ether_addr(data->mac.mac))
487 return -EINVAL;
488
489 /* Check if a requested MAC already exists */
490 list_for_each_entry(pos, &o->head, link)
491 if (!memcmp(data->mac.mac, pos->u.mac.mac, ETH_ALEN))
492 return -EEXIST;
Vladislav Zolotarov042181f2011-06-14 01:33:39 +0000493
494 return 0;
495}
496
Merav Sicron51c1a582012-03-18 10:33:38 +0000497static int bnx2x_check_vlan_add(struct bnx2x *bp,
498 struct bnx2x_vlan_mac_obj *o,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300499 union bnx2x_classification_ramrod_data *data)
Vladislav Zolotarov042181f2011-06-14 01:33:39 +0000500{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300501 struct bnx2x_vlan_mac_registry_elem *pos;
Vladislav Zolotarov042181f2011-06-14 01:33:39 +0000502
Merav Sicron51c1a582012-03-18 10:33:38 +0000503 DP(BNX2X_MSG_SP, "Checking VLAN %d for ADD command\n", data->vlan.vlan);
504
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300505 list_for_each_entry(pos, &o->head, link)
506 if (data->vlan.vlan == pos->u.vlan.vlan)
507 return -EEXIST;
508
509 return 0;
Vladislav Zolotarov042181f2011-06-14 01:33:39 +0000510}
511
Merav Sicron51c1a582012-03-18 10:33:38 +0000512static int bnx2x_check_vlan_mac_add(struct bnx2x *bp,
513 struct bnx2x_vlan_mac_obj *o,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300514 union bnx2x_classification_ramrod_data *data)
Vladislav Zolotarov042181f2011-06-14 01:33:39 +0000515{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300516 struct bnx2x_vlan_mac_registry_elem *pos;
Vladislav Zolotarov042181f2011-06-14 01:33:39 +0000517
Merav Sicron51c1a582012-03-18 10:33:38 +0000518 DP(BNX2X_MSG_SP, "Checking VLAN_MAC (%pM, %d) for ADD command\n",
519 data->vlan_mac.mac, data->vlan_mac.vlan);
520
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300521 list_for_each_entry(pos, &o->head, link)
522 if ((data->vlan_mac.vlan == pos->u.vlan_mac.vlan) &&
523 (!memcmp(data->vlan_mac.mac, pos->u.vlan_mac.mac,
524 ETH_ALEN)))
525 return -EEXIST;
526
527 return 0;
528}
529
530
531/* check_del() callbacks */
532static struct bnx2x_vlan_mac_registry_elem *
Merav Sicron51c1a582012-03-18 10:33:38 +0000533 bnx2x_check_mac_del(struct bnx2x *bp,
534 struct bnx2x_vlan_mac_obj *o,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300535 union bnx2x_classification_ramrod_data *data)
536{
537 struct bnx2x_vlan_mac_registry_elem *pos;
538
Merav Sicron51c1a582012-03-18 10:33:38 +0000539 DP(BNX2X_MSG_SP, "Checking MAC %pM for DEL command\n", data->mac.mac);
540
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300541 list_for_each_entry(pos, &o->head, link)
542 if (!memcmp(data->mac.mac, pos->u.mac.mac, ETH_ALEN))
543 return pos;
544
545 return NULL;
546}
547
548static struct bnx2x_vlan_mac_registry_elem *
Merav Sicron51c1a582012-03-18 10:33:38 +0000549 bnx2x_check_vlan_del(struct bnx2x *bp,
550 struct bnx2x_vlan_mac_obj *o,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300551 union bnx2x_classification_ramrod_data *data)
552{
553 struct bnx2x_vlan_mac_registry_elem *pos;
554
Merav Sicron51c1a582012-03-18 10:33:38 +0000555 DP(BNX2X_MSG_SP, "Checking VLAN %d for DEL command\n", data->vlan.vlan);
556
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300557 list_for_each_entry(pos, &o->head, link)
558 if (data->vlan.vlan == pos->u.vlan.vlan)
559 return pos;
560
561 return NULL;
562}
563
564static struct bnx2x_vlan_mac_registry_elem *
Merav Sicron51c1a582012-03-18 10:33:38 +0000565 bnx2x_check_vlan_mac_del(struct bnx2x *bp,
566 struct bnx2x_vlan_mac_obj *o,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300567 union bnx2x_classification_ramrod_data *data)
568{
569 struct bnx2x_vlan_mac_registry_elem *pos;
570
Merav Sicron51c1a582012-03-18 10:33:38 +0000571 DP(BNX2X_MSG_SP, "Checking VLAN_MAC (%pM, %d) for DEL command\n",
572 data->vlan_mac.mac, data->vlan_mac.vlan);
573
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300574 list_for_each_entry(pos, &o->head, link)
575 if ((data->vlan_mac.vlan == pos->u.vlan_mac.vlan) &&
576 (!memcmp(data->vlan_mac.mac, pos->u.vlan_mac.mac,
577 ETH_ALEN)))
578 return pos;
579
580 return NULL;
581}
582
583/* check_move() callback */
Merav Sicron51c1a582012-03-18 10:33:38 +0000584static bool bnx2x_check_move(struct bnx2x *bp,
585 struct bnx2x_vlan_mac_obj *src_o,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300586 struct bnx2x_vlan_mac_obj *dst_o,
587 union bnx2x_classification_ramrod_data *data)
588{
589 struct bnx2x_vlan_mac_registry_elem *pos;
590 int rc;
591
592 /* Check if we can delete the requested configuration from the first
593 * object.
594 */
Merav Sicron51c1a582012-03-18 10:33:38 +0000595 pos = src_o->check_del(bp, src_o, data);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300596
597 /* check if configuration can be added */
Merav Sicron51c1a582012-03-18 10:33:38 +0000598 rc = dst_o->check_add(bp, dst_o, data);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300599
600 /* If this classification can not be added (is already set)
601 * or can't be deleted - return an error.
602 */
603 if (rc || !pos)
604 return false;
605
606 return true;
607}
608
609static bool bnx2x_check_move_always_err(
Merav Sicron51c1a582012-03-18 10:33:38 +0000610 struct bnx2x *bp,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300611 struct bnx2x_vlan_mac_obj *src_o,
612 struct bnx2x_vlan_mac_obj *dst_o,
613 union bnx2x_classification_ramrod_data *data)
614{
615 return false;
616}
617
618
619static inline u8 bnx2x_vlan_mac_get_rx_tx_flag(struct bnx2x_vlan_mac_obj *o)
620{
621 struct bnx2x_raw_obj *raw = &o->raw;
622 u8 rx_tx_flag = 0;
623
624 if ((raw->obj_type == BNX2X_OBJ_TYPE_TX) ||
625 (raw->obj_type == BNX2X_OBJ_TYPE_RX_TX))
626 rx_tx_flag |= ETH_CLASSIFY_CMD_HEADER_TX_CMD;
627
628 if ((raw->obj_type == BNX2X_OBJ_TYPE_RX) ||
629 (raw->obj_type == BNX2X_OBJ_TYPE_RX_TX))
630 rx_tx_flag |= ETH_CLASSIFY_CMD_HEADER_RX_CMD;
631
632 return rx_tx_flag;
633}
634
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300635
636static inline void bnx2x_set_mac_in_nig(struct bnx2x *bp,
637 bool add, unsigned char *dev_addr, int index)
638{
639 u32 wb_data[2];
640 u32 reg_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM :
641 NIG_REG_LLH0_FUNC_MEM;
642
Yuval Mintz0a52fd02012-03-12 08:53:07 +0000643 if (!IS_MF_SI(bp) || index > BNX2X_LLH_CAM_MAX_PF_LINE)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300644 return;
645
646 DP(BNX2X_MSG_SP, "Going to %s LLH configuration at entry %d\n",
647 (add ? "ADD" : "DELETE"), index);
648
649 if (add) {
650 /* LLH_FUNC_MEM is a u64 WB register */
651 reg_offset += 8*index;
652
653 wb_data[0] = ((dev_addr[2] << 24) | (dev_addr[3] << 16) |
654 (dev_addr[4] << 8) | dev_addr[5]);
655 wb_data[1] = ((dev_addr[0] << 8) | dev_addr[1]);
656
657 REG_WR_DMAE(bp, reg_offset, wb_data, 2);
658 }
659
660 REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM_ENABLE :
661 NIG_REG_LLH0_FUNC_MEM_ENABLE) + 4*index, add);
662}
663
664/**
665 * bnx2x_vlan_mac_set_cmd_hdr_e2 - set a header in a single classify ramrod
666 *
667 * @bp: device handle
668 * @o: queue for which we want to configure this rule
669 * @add: if true the command is an ADD command, DEL otherwise
670 * @opcode: CLASSIFY_RULE_OPCODE_XXX
671 * @hdr: pointer to a header to setup
672 *
673 */
674static inline void bnx2x_vlan_mac_set_cmd_hdr_e2(struct bnx2x *bp,
675 struct bnx2x_vlan_mac_obj *o, bool add, int opcode,
676 struct eth_classify_cmd_header *hdr)
677{
678 struct bnx2x_raw_obj *raw = &o->raw;
679
680 hdr->client_id = raw->cl_id;
681 hdr->func_id = raw->func_id;
682
683 /* Rx or/and Tx (internal switching) configuration ? */
684 hdr->cmd_general_data |=
685 bnx2x_vlan_mac_get_rx_tx_flag(o);
686
687 if (add)
688 hdr->cmd_general_data |= ETH_CLASSIFY_CMD_HEADER_IS_ADD;
689
690 hdr->cmd_general_data |=
691 (opcode << ETH_CLASSIFY_CMD_HEADER_OPCODE_SHIFT);
692}
693
694/**
695 * bnx2x_vlan_mac_set_rdata_hdr_e2 - set the classify ramrod data header
696 *
697 * @cid: connection id
698 * @type: BNX2X_FILTER_XXX_PENDING
699 * @hdr: poiter to header to setup
700 * @rule_cnt:
701 *
702 * currently we always configure one rule and echo field to contain a CID and an
703 * opcode type.
704 */
705static inline void bnx2x_vlan_mac_set_rdata_hdr_e2(u32 cid, int type,
706 struct eth_classify_header *hdr, int rule_cnt)
707{
708 hdr->echo = (cid & BNX2X_SWCID_MASK) | (type << BNX2X_SWCID_SHIFT);
709 hdr->rule_cnt = (u8)rule_cnt;
710}
711
712
713/* hw_config() callbacks */
714static void bnx2x_set_one_mac_e2(struct bnx2x *bp,
715 struct bnx2x_vlan_mac_obj *o,
716 struct bnx2x_exeq_elem *elem, int rule_idx,
717 int cam_offset)
718{
719 struct bnx2x_raw_obj *raw = &o->raw;
720 struct eth_classify_rules_ramrod_data *data =
721 (struct eth_classify_rules_ramrod_data *)(raw->rdata);
722 int rule_cnt = rule_idx + 1, cmd = elem->cmd_data.vlan_mac.cmd;
723 union eth_classify_rule_cmd *rule_entry = &data->rules[rule_idx];
724 bool add = (cmd == BNX2X_VLAN_MAC_ADD) ? true : false;
725 unsigned long *vlan_mac_flags = &elem->cmd_data.vlan_mac.vlan_mac_flags;
726 u8 *mac = elem->cmd_data.vlan_mac.u.mac.mac;
727
728 /*
729 * Set LLH CAM entry: currently only iSCSI and ETH macs are
730 * relevant. In addition, current implementation is tuned for a
731 * single ETH MAC.
732 *
733 * When multiple unicast ETH MACs PF configuration in switch
734 * independent mode is required (NetQ, multiple netdev MACs,
735 * etc.), consider better utilisation of 8 per function MAC
736 * entries in the LLH register. There is also
737 * NIG_REG_P[01]_LLH_FUNC_MEM2 registers that complete the
738 * total number of CAM entries to 16.
739 *
740 * Currently we won't configure NIG for MACs other than a primary ETH
741 * MAC and iSCSI L2 MAC.
742 *
743 * If this MAC is moving from one Queue to another, no need to change
744 * NIG configuration.
745 */
746 if (cmd != BNX2X_VLAN_MAC_MOVE) {
747 if (test_bit(BNX2X_ISCSI_ETH_MAC, vlan_mac_flags))
748 bnx2x_set_mac_in_nig(bp, add, mac,
Yuval Mintz0a52fd02012-03-12 08:53:07 +0000749 BNX2X_LLH_CAM_ISCSI_ETH_LINE);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300750 else if (test_bit(BNX2X_ETH_MAC, vlan_mac_flags))
Yuval Mintz0a52fd02012-03-12 08:53:07 +0000751 bnx2x_set_mac_in_nig(bp, add, mac,
752 BNX2X_LLH_CAM_ETH_LINE);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300753 }
754
755 /* Reset the ramrod data buffer for the first rule */
756 if (rule_idx == 0)
757 memset(data, 0, sizeof(*data));
758
759 /* Setup a command header */
760 bnx2x_vlan_mac_set_cmd_hdr_e2(bp, o, add, CLASSIFY_RULE_OPCODE_MAC,
761 &rule_entry->mac.header);
762
Joe Perches0f9dad12011-08-14 12:16:19 +0000763 DP(BNX2X_MSG_SP, "About to %s MAC %pM for Queue %d\n",
Merav Sicron51c1a582012-03-18 10:33:38 +0000764 (add ? "add" : "delete"), mac, raw->cl_id);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300765
766 /* Set a MAC itself */
767 bnx2x_set_fw_mac_addr(&rule_entry->mac.mac_msb,
768 &rule_entry->mac.mac_mid,
769 &rule_entry->mac.mac_lsb, mac);
770
771 /* MOVE: Add a rule that will add this MAC to the target Queue */
772 if (cmd == BNX2X_VLAN_MAC_MOVE) {
773 rule_entry++;
774 rule_cnt++;
775
776 /* Setup ramrod data */
777 bnx2x_vlan_mac_set_cmd_hdr_e2(bp,
778 elem->cmd_data.vlan_mac.target_obj,
779 true, CLASSIFY_RULE_OPCODE_MAC,
780 &rule_entry->mac.header);
781
782 /* Set a MAC itself */
783 bnx2x_set_fw_mac_addr(&rule_entry->mac.mac_msb,
784 &rule_entry->mac.mac_mid,
785 &rule_entry->mac.mac_lsb, mac);
786 }
787
788 /* Set the ramrod data header */
789 /* TODO: take this to the higher level in order to prevent multiple
790 writing */
791 bnx2x_vlan_mac_set_rdata_hdr_e2(raw->cid, raw->state, &data->header,
792 rule_cnt);
793}
794
795/**
796 * bnx2x_vlan_mac_set_rdata_hdr_e1x - set a header in a single classify ramrod
797 *
798 * @bp: device handle
799 * @o: queue
800 * @type:
801 * @cam_offset: offset in cam memory
802 * @hdr: pointer to a header to setup
803 *
804 * E1/E1H
805 */
806static inline void bnx2x_vlan_mac_set_rdata_hdr_e1x(struct bnx2x *bp,
807 struct bnx2x_vlan_mac_obj *o, int type, int cam_offset,
808 struct mac_configuration_hdr *hdr)
809{
810 struct bnx2x_raw_obj *r = &o->raw;
811
812 hdr->length = 1;
813 hdr->offset = (u8)cam_offset;
814 hdr->client_id = 0xff;
815 hdr->echo = ((r->cid & BNX2X_SWCID_MASK) | (type << BNX2X_SWCID_SHIFT));
816}
817
818static inline void bnx2x_vlan_mac_set_cfg_entry_e1x(struct bnx2x *bp,
819 struct bnx2x_vlan_mac_obj *o, bool add, int opcode, u8 *mac,
820 u16 vlan_id, struct mac_configuration_entry *cfg_entry)
821{
822 struct bnx2x_raw_obj *r = &o->raw;
823 u32 cl_bit_vec = (1 << r->cl_id);
824
825 cfg_entry->clients_bit_vector = cpu_to_le32(cl_bit_vec);
826 cfg_entry->pf_id = r->func_id;
827 cfg_entry->vlan_id = cpu_to_le16(vlan_id);
828
829 if (add) {
830 SET_FLAG(cfg_entry->flags, MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
831 T_ETH_MAC_COMMAND_SET);
832 SET_FLAG(cfg_entry->flags,
833 MAC_CONFIGURATION_ENTRY_VLAN_FILTERING_MODE, opcode);
834
835 /* Set a MAC in a ramrod data */
836 bnx2x_set_fw_mac_addr(&cfg_entry->msb_mac_addr,
837 &cfg_entry->middle_mac_addr,
838 &cfg_entry->lsb_mac_addr, mac);
839 } else
840 SET_FLAG(cfg_entry->flags, MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
841 T_ETH_MAC_COMMAND_INVALIDATE);
842}
843
844static inline void bnx2x_vlan_mac_set_rdata_e1x(struct bnx2x *bp,
845 struct bnx2x_vlan_mac_obj *o, int type, int cam_offset, bool add,
846 u8 *mac, u16 vlan_id, int opcode, struct mac_configuration_cmd *config)
847{
848 struct mac_configuration_entry *cfg_entry = &config->config_table[0];
849 struct bnx2x_raw_obj *raw = &o->raw;
850
851 bnx2x_vlan_mac_set_rdata_hdr_e1x(bp, o, type, cam_offset,
852 &config->hdr);
853 bnx2x_vlan_mac_set_cfg_entry_e1x(bp, o, add, opcode, mac, vlan_id,
854 cfg_entry);
855
Joe Perches0f9dad12011-08-14 12:16:19 +0000856 DP(BNX2X_MSG_SP, "%s MAC %pM CLID %d CAM offset %d\n",
Merav Sicron51c1a582012-03-18 10:33:38 +0000857 (add ? "setting" : "clearing"),
Joe Perches0f9dad12011-08-14 12:16:19 +0000858 mac, raw->cl_id, cam_offset);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300859}
860
861/**
862 * bnx2x_set_one_mac_e1x - fill a single MAC rule ramrod data
863 *
864 * @bp: device handle
865 * @o: bnx2x_vlan_mac_obj
866 * @elem: bnx2x_exeq_elem
867 * @rule_idx: rule_idx
868 * @cam_offset: cam_offset
869 */
870static void bnx2x_set_one_mac_e1x(struct bnx2x *bp,
871 struct bnx2x_vlan_mac_obj *o,
872 struct bnx2x_exeq_elem *elem, int rule_idx,
873 int cam_offset)
874{
875 struct bnx2x_raw_obj *raw = &o->raw;
876 struct mac_configuration_cmd *config =
877 (struct mac_configuration_cmd *)(raw->rdata);
878 /*
879 * 57710 and 57711 do not support MOVE command,
880 * so it's either ADD or DEL
881 */
882 bool add = (elem->cmd_data.vlan_mac.cmd == BNX2X_VLAN_MAC_ADD) ?
883 true : false;
884
885 /* Reset the ramrod data buffer */
886 memset(config, 0, sizeof(*config));
887
Yuval Mintz33ac3382012-03-12 08:53:09 +0000888 bnx2x_vlan_mac_set_rdata_e1x(bp, o, raw->state,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300889 cam_offset, add,
890 elem->cmd_data.vlan_mac.u.mac.mac, 0,
891 ETH_VLAN_FILTER_ANY_VLAN, config);
892}
893
894static void bnx2x_set_one_vlan_e2(struct bnx2x *bp,
895 struct bnx2x_vlan_mac_obj *o,
896 struct bnx2x_exeq_elem *elem, int rule_idx,
897 int cam_offset)
898{
899 struct bnx2x_raw_obj *raw = &o->raw;
900 struct eth_classify_rules_ramrod_data *data =
901 (struct eth_classify_rules_ramrod_data *)(raw->rdata);
902 int rule_cnt = rule_idx + 1;
903 union eth_classify_rule_cmd *rule_entry = &data->rules[rule_idx];
904 int cmd = elem->cmd_data.vlan_mac.cmd;
905 bool add = (cmd == BNX2X_VLAN_MAC_ADD) ? true : false;
906 u16 vlan = elem->cmd_data.vlan_mac.u.vlan.vlan;
907
908 /* Reset the ramrod data buffer for the first rule */
909 if (rule_idx == 0)
910 memset(data, 0, sizeof(*data));
911
912 /* Set a rule header */
913 bnx2x_vlan_mac_set_cmd_hdr_e2(bp, o, add, CLASSIFY_RULE_OPCODE_VLAN,
914 &rule_entry->vlan.header);
915
916 DP(BNX2X_MSG_SP, "About to %s VLAN %d\n", (add ? "add" : "delete"),
917 vlan);
918
919 /* Set a VLAN itself */
920 rule_entry->vlan.vlan = cpu_to_le16(vlan);
921
922 /* MOVE: Add a rule that will add this MAC to the target Queue */
923 if (cmd == BNX2X_VLAN_MAC_MOVE) {
924 rule_entry++;
925 rule_cnt++;
926
927 /* Setup ramrod data */
928 bnx2x_vlan_mac_set_cmd_hdr_e2(bp,
929 elem->cmd_data.vlan_mac.target_obj,
930 true, CLASSIFY_RULE_OPCODE_VLAN,
931 &rule_entry->vlan.header);
932
933 /* Set a VLAN itself */
934 rule_entry->vlan.vlan = cpu_to_le16(vlan);
935 }
936
937 /* Set the ramrod data header */
938 /* TODO: take this to the higher level in order to prevent multiple
939 writing */
940 bnx2x_vlan_mac_set_rdata_hdr_e2(raw->cid, raw->state, &data->header,
941 rule_cnt);
942}
943
944static void bnx2x_set_one_vlan_mac_e2(struct bnx2x *bp,
945 struct bnx2x_vlan_mac_obj *o,
946 struct bnx2x_exeq_elem *elem,
947 int rule_idx, int cam_offset)
948{
949 struct bnx2x_raw_obj *raw = &o->raw;
950 struct eth_classify_rules_ramrod_data *data =
951 (struct eth_classify_rules_ramrod_data *)(raw->rdata);
952 int rule_cnt = rule_idx + 1;
953 union eth_classify_rule_cmd *rule_entry = &data->rules[rule_idx];
954 int cmd = elem->cmd_data.vlan_mac.cmd;
955 bool add = (cmd == BNX2X_VLAN_MAC_ADD) ? true : false;
956 u16 vlan = elem->cmd_data.vlan_mac.u.vlan_mac.vlan;
957 u8 *mac = elem->cmd_data.vlan_mac.u.vlan_mac.mac;
958
959
960 /* Reset the ramrod data buffer for the first rule */
961 if (rule_idx == 0)
962 memset(data, 0, sizeof(*data));
963
964 /* Set a rule header */
965 bnx2x_vlan_mac_set_cmd_hdr_e2(bp, o, add, CLASSIFY_RULE_OPCODE_PAIR,
966 &rule_entry->pair.header);
967
968 /* Set VLAN and MAC themselvs */
969 rule_entry->pair.vlan = cpu_to_le16(vlan);
970 bnx2x_set_fw_mac_addr(&rule_entry->pair.mac_msb,
971 &rule_entry->pair.mac_mid,
972 &rule_entry->pair.mac_lsb, mac);
973
974 /* MOVE: Add a rule that will add this MAC to the target Queue */
975 if (cmd == BNX2X_VLAN_MAC_MOVE) {
976 rule_entry++;
977 rule_cnt++;
978
979 /* Setup ramrod data */
980 bnx2x_vlan_mac_set_cmd_hdr_e2(bp,
981 elem->cmd_data.vlan_mac.target_obj,
982 true, CLASSIFY_RULE_OPCODE_PAIR,
983 &rule_entry->pair.header);
984
985 /* Set a VLAN itself */
986 rule_entry->pair.vlan = cpu_to_le16(vlan);
987 bnx2x_set_fw_mac_addr(&rule_entry->pair.mac_msb,
988 &rule_entry->pair.mac_mid,
989 &rule_entry->pair.mac_lsb, mac);
990 }
991
992 /* Set the ramrod data header */
993 /* TODO: take this to the higher level in order to prevent multiple
994 writing */
995 bnx2x_vlan_mac_set_rdata_hdr_e2(raw->cid, raw->state, &data->header,
996 rule_cnt);
997}
998
999/**
1000 * bnx2x_set_one_vlan_mac_e1h -
1001 *
1002 * @bp: device handle
1003 * @o: bnx2x_vlan_mac_obj
1004 * @elem: bnx2x_exeq_elem
1005 * @rule_idx: rule_idx
1006 * @cam_offset: cam_offset
1007 */
1008static void bnx2x_set_one_vlan_mac_e1h(struct bnx2x *bp,
1009 struct bnx2x_vlan_mac_obj *o,
1010 struct bnx2x_exeq_elem *elem,
1011 int rule_idx, int cam_offset)
1012{
1013 struct bnx2x_raw_obj *raw = &o->raw;
1014 struct mac_configuration_cmd *config =
1015 (struct mac_configuration_cmd *)(raw->rdata);
1016 /*
1017 * 57710 and 57711 do not support MOVE command,
1018 * so it's either ADD or DEL
1019 */
1020 bool add = (elem->cmd_data.vlan_mac.cmd == BNX2X_VLAN_MAC_ADD) ?
1021 true : false;
1022
1023 /* Reset the ramrod data buffer */
1024 memset(config, 0, sizeof(*config));
1025
1026 bnx2x_vlan_mac_set_rdata_e1x(bp, o, BNX2X_FILTER_VLAN_MAC_PENDING,
1027 cam_offset, add,
1028 elem->cmd_data.vlan_mac.u.vlan_mac.mac,
1029 elem->cmd_data.vlan_mac.u.vlan_mac.vlan,
1030 ETH_VLAN_FILTER_CLASSIFY, config);
1031}
1032
1033#define list_next_entry(pos, member) \
1034 list_entry((pos)->member.next, typeof(*(pos)), member)
1035
1036/**
1037 * bnx2x_vlan_mac_restore - reconfigure next MAC/VLAN/VLAN-MAC element
1038 *
1039 * @bp: device handle
1040 * @p: command parameters
1041 * @ppos: pointer to the cooky
1042 *
1043 * reconfigure next MAC/VLAN/VLAN-MAC element from the
1044 * previously configured elements list.
1045 *
1046 * from command parameters only RAMROD_COMP_WAIT bit in ramrod_flags is taken
1047 * into an account
1048 *
1049 * pointer to the cooky - that should be given back in the next call to make
1050 * function handle the next element. If *ppos is set to NULL it will restart the
1051 * iterator. If returned *ppos == NULL this means that the last element has been
1052 * handled.
1053 *
1054 */
1055static int bnx2x_vlan_mac_restore(struct bnx2x *bp,
1056 struct bnx2x_vlan_mac_ramrod_params *p,
1057 struct bnx2x_vlan_mac_registry_elem **ppos)
1058{
1059 struct bnx2x_vlan_mac_registry_elem *pos;
1060 struct bnx2x_vlan_mac_obj *o = p->vlan_mac_obj;
1061
1062 /* If list is empty - there is nothing to do here */
1063 if (list_empty(&o->head)) {
1064 *ppos = NULL;
1065 return 0;
1066 }
1067
1068 /* make a step... */
1069 if (*ppos == NULL)
1070 *ppos = list_first_entry(&o->head,
1071 struct bnx2x_vlan_mac_registry_elem,
1072 link);
1073 else
1074 *ppos = list_next_entry(*ppos, link);
1075
1076 pos = *ppos;
1077
1078 /* If it's the last step - return NULL */
1079 if (list_is_last(&pos->link, &o->head))
1080 *ppos = NULL;
1081
1082 /* Prepare a 'user_req' */
1083 memcpy(&p->user_req.u, &pos->u, sizeof(pos->u));
1084
1085 /* Set the command */
1086 p->user_req.cmd = BNX2X_VLAN_MAC_ADD;
1087
1088 /* Set vlan_mac_flags */
1089 p->user_req.vlan_mac_flags = pos->vlan_mac_flags;
1090
1091 /* Set a restore bit */
1092 __set_bit(RAMROD_RESTORE, &p->ramrod_flags);
1093
1094 return bnx2x_config_vlan_mac(bp, p);
1095}
1096
1097/*
1098 * bnx2x_exeq_get_mac/bnx2x_exeq_get_vlan/bnx2x_exeq_get_vlan_mac return a
1099 * pointer to an element with a specific criteria and NULL if such an element
1100 * hasn't been found.
1101 */
1102static struct bnx2x_exeq_elem *bnx2x_exeq_get_mac(
1103 struct bnx2x_exe_queue_obj *o,
1104 struct bnx2x_exeq_elem *elem)
1105{
1106 struct bnx2x_exeq_elem *pos;
1107 struct bnx2x_mac_ramrod_data *data = &elem->cmd_data.vlan_mac.u.mac;
1108
1109 /* Check pending for execution commands */
1110 list_for_each_entry(pos, &o->exe_queue, link)
1111 if (!memcmp(&pos->cmd_data.vlan_mac.u.mac, data,
1112 sizeof(*data)) &&
1113 (pos->cmd_data.vlan_mac.cmd == elem->cmd_data.vlan_mac.cmd))
1114 return pos;
1115
1116 return NULL;
1117}
1118
1119static struct bnx2x_exeq_elem *bnx2x_exeq_get_vlan(
1120 struct bnx2x_exe_queue_obj *o,
1121 struct bnx2x_exeq_elem *elem)
1122{
1123 struct bnx2x_exeq_elem *pos;
1124 struct bnx2x_vlan_ramrod_data *data = &elem->cmd_data.vlan_mac.u.vlan;
1125
1126 /* Check pending for execution commands */
1127 list_for_each_entry(pos, &o->exe_queue, link)
1128 if (!memcmp(&pos->cmd_data.vlan_mac.u.vlan, data,
1129 sizeof(*data)) &&
1130 (pos->cmd_data.vlan_mac.cmd == elem->cmd_data.vlan_mac.cmd))
1131 return pos;
1132
1133 return NULL;
1134}
1135
1136static struct bnx2x_exeq_elem *bnx2x_exeq_get_vlan_mac(
1137 struct bnx2x_exe_queue_obj *o,
1138 struct bnx2x_exeq_elem *elem)
1139{
1140 struct bnx2x_exeq_elem *pos;
1141 struct bnx2x_vlan_mac_ramrod_data *data =
1142 &elem->cmd_data.vlan_mac.u.vlan_mac;
1143
1144 /* Check pending for execution commands */
1145 list_for_each_entry(pos, &o->exe_queue, link)
1146 if (!memcmp(&pos->cmd_data.vlan_mac.u.vlan_mac, data,
1147 sizeof(*data)) &&
1148 (pos->cmd_data.vlan_mac.cmd == elem->cmd_data.vlan_mac.cmd))
1149 return pos;
1150
1151 return NULL;
1152}
1153
1154/**
1155 * bnx2x_validate_vlan_mac_add - check if an ADD command can be executed
1156 *
1157 * @bp: device handle
1158 * @qo: bnx2x_qable_obj
1159 * @elem: bnx2x_exeq_elem
1160 *
1161 * Checks that the requested configuration can be added. If yes and if
1162 * requested, consume CAM credit.
1163 *
1164 * The 'validate' is run after the 'optimize'.
1165 *
1166 */
1167static inline int bnx2x_validate_vlan_mac_add(struct bnx2x *bp,
1168 union bnx2x_qable_obj *qo,
1169 struct bnx2x_exeq_elem *elem)
1170{
1171 struct bnx2x_vlan_mac_obj *o = &qo->vlan_mac;
1172 struct bnx2x_exe_queue_obj *exeq = &o->exe_queue;
1173 int rc;
1174
1175 /* Check the registry */
Merav Sicron51c1a582012-03-18 10:33:38 +00001176 rc = o->check_add(bp, o, &elem->cmd_data.vlan_mac.u);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001177 if (rc) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001178 DP(BNX2X_MSG_SP, "ADD command is not allowed considering current registry state.\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001179 return rc;
1180 }
1181
1182 /*
1183 * Check if there is a pending ADD command for this
1184 * MAC/VLAN/VLAN-MAC. Return an error if there is.
1185 */
1186 if (exeq->get(exeq, elem)) {
1187 DP(BNX2X_MSG_SP, "There is a pending ADD command already\n");
1188 return -EEXIST;
1189 }
1190
1191 /*
1192 * TODO: Check the pending MOVE from other objects where this
1193 * object is a destination object.
1194 */
1195
1196 /* Consume the credit if not requested not to */
1197 if (!(test_bit(BNX2X_DONT_CONSUME_CAM_CREDIT,
1198 &elem->cmd_data.vlan_mac.vlan_mac_flags) ||
1199 o->get_credit(o)))
1200 return -EINVAL;
1201
1202 return 0;
1203}
1204
1205/**
1206 * bnx2x_validate_vlan_mac_del - check if the DEL command can be executed
1207 *
1208 * @bp: device handle
1209 * @qo: quable object to check
1210 * @elem: element that needs to be deleted
1211 *
1212 * Checks that the requested configuration can be deleted. If yes and if
1213 * requested, returns a CAM credit.
1214 *
1215 * The 'validate' is run after the 'optimize'.
1216 */
1217static inline int bnx2x_validate_vlan_mac_del(struct bnx2x *bp,
1218 union bnx2x_qable_obj *qo,
1219 struct bnx2x_exeq_elem *elem)
1220{
1221 struct bnx2x_vlan_mac_obj *o = &qo->vlan_mac;
1222 struct bnx2x_vlan_mac_registry_elem *pos;
1223 struct bnx2x_exe_queue_obj *exeq = &o->exe_queue;
1224 struct bnx2x_exeq_elem query_elem;
1225
1226 /* If this classification can not be deleted (doesn't exist)
1227 * - return a BNX2X_EXIST.
1228 */
Merav Sicron51c1a582012-03-18 10:33:38 +00001229 pos = o->check_del(bp, o, &elem->cmd_data.vlan_mac.u);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001230 if (!pos) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001231 DP(BNX2X_MSG_SP, "DEL command is not allowed considering current registry state\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001232 return -EEXIST;
1233 }
1234
1235 /*
1236 * Check if there are pending DEL or MOVE commands for this
1237 * MAC/VLAN/VLAN-MAC. Return an error if so.
1238 */
1239 memcpy(&query_elem, elem, sizeof(query_elem));
1240
1241 /* Check for MOVE commands */
1242 query_elem.cmd_data.vlan_mac.cmd = BNX2X_VLAN_MAC_MOVE;
1243 if (exeq->get(exeq, &query_elem)) {
1244 BNX2X_ERR("There is a pending MOVE command already\n");
1245 return -EINVAL;
1246 }
1247
1248 /* Check for DEL commands */
1249 if (exeq->get(exeq, elem)) {
1250 DP(BNX2X_MSG_SP, "There is a pending DEL command already\n");
1251 return -EEXIST;
1252 }
1253
1254 /* Return the credit to the credit pool if not requested not to */
1255 if (!(test_bit(BNX2X_DONT_CONSUME_CAM_CREDIT,
1256 &elem->cmd_data.vlan_mac.vlan_mac_flags) ||
1257 o->put_credit(o))) {
1258 BNX2X_ERR("Failed to return a credit\n");
1259 return -EINVAL;
1260 }
1261
1262 return 0;
1263}
1264
1265/**
1266 * bnx2x_validate_vlan_mac_move - check if the MOVE command can be executed
1267 *
1268 * @bp: device handle
1269 * @qo: quable object to check (source)
1270 * @elem: element that needs to be moved
1271 *
1272 * Checks that the requested configuration can be moved. If yes and if
1273 * requested, returns a CAM credit.
1274 *
1275 * The 'validate' is run after the 'optimize'.
1276 */
1277static inline int bnx2x_validate_vlan_mac_move(struct bnx2x *bp,
1278 union bnx2x_qable_obj *qo,
1279 struct bnx2x_exeq_elem *elem)
1280{
1281 struct bnx2x_vlan_mac_obj *src_o = &qo->vlan_mac;
1282 struct bnx2x_vlan_mac_obj *dest_o = elem->cmd_data.vlan_mac.target_obj;
1283 struct bnx2x_exeq_elem query_elem;
1284 struct bnx2x_exe_queue_obj *src_exeq = &src_o->exe_queue;
1285 struct bnx2x_exe_queue_obj *dest_exeq = &dest_o->exe_queue;
1286
1287 /*
1288 * Check if we can perform this operation based on the current registry
1289 * state.
1290 */
Merav Sicron51c1a582012-03-18 10:33:38 +00001291 if (!src_o->check_move(bp, src_o, dest_o,
1292 &elem->cmd_data.vlan_mac.u)) {
1293 DP(BNX2X_MSG_SP, "MOVE command is not allowed considering current registry state\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001294 return -EINVAL;
1295 }
1296
1297 /*
1298 * Check if there is an already pending DEL or MOVE command for the
1299 * source object or ADD command for a destination object. Return an
1300 * error if so.
1301 */
1302 memcpy(&query_elem, elem, sizeof(query_elem));
1303
1304 /* Check DEL on source */
1305 query_elem.cmd_data.vlan_mac.cmd = BNX2X_VLAN_MAC_DEL;
1306 if (src_exeq->get(src_exeq, &query_elem)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001307 BNX2X_ERR("There is a pending DEL command on the source queue already\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001308 return -EINVAL;
1309 }
1310
1311 /* Check MOVE on source */
1312 if (src_exeq->get(src_exeq, elem)) {
1313 DP(BNX2X_MSG_SP, "There is a pending MOVE command already\n");
1314 return -EEXIST;
1315 }
1316
1317 /* Check ADD on destination */
1318 query_elem.cmd_data.vlan_mac.cmd = BNX2X_VLAN_MAC_ADD;
1319 if (dest_exeq->get(dest_exeq, &query_elem)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001320 BNX2X_ERR("There is a pending ADD command on the destination queue already\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001321 return -EINVAL;
1322 }
1323
1324 /* Consume the credit if not requested not to */
1325 if (!(test_bit(BNX2X_DONT_CONSUME_CAM_CREDIT_DEST,
1326 &elem->cmd_data.vlan_mac.vlan_mac_flags) ||
1327 dest_o->get_credit(dest_o)))
1328 return -EINVAL;
1329
1330 if (!(test_bit(BNX2X_DONT_CONSUME_CAM_CREDIT,
1331 &elem->cmd_data.vlan_mac.vlan_mac_flags) ||
1332 src_o->put_credit(src_o))) {
1333 /* return the credit taken from dest... */
1334 dest_o->put_credit(dest_o);
1335 return -EINVAL;
1336 }
1337
1338 return 0;
1339}
1340
1341static int bnx2x_validate_vlan_mac(struct bnx2x *bp,
1342 union bnx2x_qable_obj *qo,
1343 struct bnx2x_exeq_elem *elem)
1344{
1345 switch (elem->cmd_data.vlan_mac.cmd) {
1346 case BNX2X_VLAN_MAC_ADD:
1347 return bnx2x_validate_vlan_mac_add(bp, qo, elem);
1348 case BNX2X_VLAN_MAC_DEL:
1349 return bnx2x_validate_vlan_mac_del(bp, qo, elem);
1350 case BNX2X_VLAN_MAC_MOVE:
1351 return bnx2x_validate_vlan_mac_move(bp, qo, elem);
1352 default:
1353 return -EINVAL;
1354 }
1355}
1356
Yuval Mintz460a25c2012-01-23 07:31:51 +00001357static int bnx2x_remove_vlan_mac(struct bnx2x *bp,
1358 union bnx2x_qable_obj *qo,
1359 struct bnx2x_exeq_elem *elem)
1360{
1361 int rc = 0;
1362
1363 /* If consumption wasn't required, nothing to do */
1364 if (test_bit(BNX2X_DONT_CONSUME_CAM_CREDIT,
1365 &elem->cmd_data.vlan_mac.vlan_mac_flags))
1366 return 0;
1367
1368 switch (elem->cmd_data.vlan_mac.cmd) {
1369 case BNX2X_VLAN_MAC_ADD:
1370 case BNX2X_VLAN_MAC_MOVE:
1371 rc = qo->vlan_mac.put_credit(&qo->vlan_mac);
1372 break;
1373 case BNX2X_VLAN_MAC_DEL:
1374 rc = qo->vlan_mac.get_credit(&qo->vlan_mac);
1375 break;
1376 default:
1377 return -EINVAL;
1378 }
1379
1380 if (rc != true)
1381 return -EINVAL;
1382
1383 return 0;
1384}
1385
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001386/**
1387 * bnx2x_wait_vlan_mac - passivly wait for 5 seconds until all work completes.
1388 *
1389 * @bp: device handle
1390 * @o: bnx2x_vlan_mac_obj
1391 *
1392 */
1393static int bnx2x_wait_vlan_mac(struct bnx2x *bp,
1394 struct bnx2x_vlan_mac_obj *o)
1395{
1396 int cnt = 5000, rc;
1397 struct bnx2x_exe_queue_obj *exeq = &o->exe_queue;
1398 struct bnx2x_raw_obj *raw = &o->raw;
1399
1400 while (cnt--) {
1401 /* Wait for the current command to complete */
1402 rc = raw->wait_comp(bp, raw);
1403 if (rc)
1404 return rc;
1405
1406 /* Wait until there are no pending commands */
1407 if (!bnx2x_exe_queue_empty(exeq))
1408 usleep_range(1000, 1000);
1409 else
1410 return 0;
1411 }
1412
1413 return -EBUSY;
1414}
1415
1416/**
1417 * bnx2x_complete_vlan_mac - complete one VLAN-MAC ramrod
1418 *
1419 * @bp: device handle
1420 * @o: bnx2x_vlan_mac_obj
1421 * @cqe:
1422 * @cont: if true schedule next execution chunk
1423 *
1424 */
1425static int bnx2x_complete_vlan_mac(struct bnx2x *bp,
1426 struct bnx2x_vlan_mac_obj *o,
1427 union event_ring_elem *cqe,
1428 unsigned long *ramrod_flags)
1429{
1430 struct bnx2x_raw_obj *r = &o->raw;
1431 int rc;
1432
1433 /* Reset pending list */
1434 bnx2x_exe_queue_reset_pending(bp, &o->exe_queue);
1435
1436 /* Clear pending */
1437 r->clear_pending(r);
1438
1439 /* If ramrod failed this is most likely a SW bug */
1440 if (cqe->message.error)
1441 return -EINVAL;
1442
1443 /* Run the next bulk of pending commands if requeted */
1444 if (test_bit(RAMROD_CONT, ramrod_flags)) {
1445 rc = bnx2x_exe_queue_step(bp, &o->exe_queue, ramrod_flags);
1446 if (rc < 0)
1447 return rc;
1448 }
1449
1450 /* If there is more work to do return PENDING */
1451 if (!bnx2x_exe_queue_empty(&o->exe_queue))
1452 return 1;
1453
1454 return 0;
1455}
1456
1457/**
1458 * bnx2x_optimize_vlan_mac - optimize ADD and DEL commands.
1459 *
1460 * @bp: device handle
1461 * @o: bnx2x_qable_obj
1462 * @elem: bnx2x_exeq_elem
1463 */
1464static int bnx2x_optimize_vlan_mac(struct bnx2x *bp,
1465 union bnx2x_qable_obj *qo,
1466 struct bnx2x_exeq_elem *elem)
1467{
1468 struct bnx2x_exeq_elem query, *pos;
1469 struct bnx2x_vlan_mac_obj *o = &qo->vlan_mac;
1470 struct bnx2x_exe_queue_obj *exeq = &o->exe_queue;
1471
1472 memcpy(&query, elem, sizeof(query));
1473
1474 switch (elem->cmd_data.vlan_mac.cmd) {
1475 case BNX2X_VLAN_MAC_ADD:
1476 query.cmd_data.vlan_mac.cmd = BNX2X_VLAN_MAC_DEL;
1477 break;
1478 case BNX2X_VLAN_MAC_DEL:
1479 query.cmd_data.vlan_mac.cmd = BNX2X_VLAN_MAC_ADD;
1480 break;
1481 default:
1482 /* Don't handle anything other than ADD or DEL */
1483 return 0;
1484 }
1485
1486 /* If we found the appropriate element - delete it */
1487 pos = exeq->get(exeq, &query);
1488 if (pos) {
1489
1490 /* Return the credit of the optimized command */
1491 if (!test_bit(BNX2X_DONT_CONSUME_CAM_CREDIT,
1492 &pos->cmd_data.vlan_mac.vlan_mac_flags)) {
1493 if ((query.cmd_data.vlan_mac.cmd ==
1494 BNX2X_VLAN_MAC_ADD) && !o->put_credit(o)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001495 BNX2X_ERR("Failed to return the credit for the optimized ADD command\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001496 return -EINVAL;
1497 } else if (!o->get_credit(o)) { /* VLAN_MAC_DEL */
Merav Sicron51c1a582012-03-18 10:33:38 +00001498 BNX2X_ERR("Failed to recover the credit from the optimized DEL command\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001499 return -EINVAL;
1500 }
1501 }
1502
1503 DP(BNX2X_MSG_SP, "Optimizing %s command\n",
1504 (elem->cmd_data.vlan_mac.cmd == BNX2X_VLAN_MAC_ADD) ?
1505 "ADD" : "DEL");
1506
1507 list_del(&pos->link);
1508 bnx2x_exe_queue_free_elem(bp, pos);
1509 return 1;
1510 }
1511
1512 return 0;
1513}
1514
1515/**
1516 * bnx2x_vlan_mac_get_registry_elem - prepare a registry element
1517 *
1518 * @bp: device handle
1519 * @o:
1520 * @elem:
1521 * @restore:
1522 * @re:
1523 *
1524 * prepare a registry element according to the current command request.
1525 */
1526static inline int bnx2x_vlan_mac_get_registry_elem(
1527 struct bnx2x *bp,
1528 struct bnx2x_vlan_mac_obj *o,
1529 struct bnx2x_exeq_elem *elem,
1530 bool restore,
1531 struct bnx2x_vlan_mac_registry_elem **re)
1532{
1533 int cmd = elem->cmd_data.vlan_mac.cmd;
1534 struct bnx2x_vlan_mac_registry_elem *reg_elem;
1535
1536 /* Allocate a new registry element if needed. */
1537 if (!restore &&
1538 ((cmd == BNX2X_VLAN_MAC_ADD) || (cmd == BNX2X_VLAN_MAC_MOVE))) {
1539 reg_elem = kzalloc(sizeof(*reg_elem), GFP_ATOMIC);
1540 if (!reg_elem)
1541 return -ENOMEM;
1542
1543 /* Get a new CAM offset */
1544 if (!o->get_cam_offset(o, &reg_elem->cam_offset)) {
1545 /*
1546 * This shell never happen, because we have checked the
1547 * CAM availiability in the 'validate'.
1548 */
1549 WARN_ON(1);
1550 kfree(reg_elem);
1551 return -EINVAL;
1552 }
1553
1554 DP(BNX2X_MSG_SP, "Got cam offset %d\n", reg_elem->cam_offset);
1555
1556 /* Set a VLAN-MAC data */
1557 memcpy(&reg_elem->u, &elem->cmd_data.vlan_mac.u,
1558 sizeof(reg_elem->u));
1559
1560 /* Copy the flags (needed for DEL and RESTORE flows) */
1561 reg_elem->vlan_mac_flags =
1562 elem->cmd_data.vlan_mac.vlan_mac_flags;
1563 } else /* DEL, RESTORE */
Merav Sicron51c1a582012-03-18 10:33:38 +00001564 reg_elem = o->check_del(bp, o, &elem->cmd_data.vlan_mac.u);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001565
1566 *re = reg_elem;
1567 return 0;
1568}
1569
1570/**
1571 * bnx2x_execute_vlan_mac - execute vlan mac command
1572 *
1573 * @bp: device handle
1574 * @qo:
1575 * @exe_chunk:
1576 * @ramrod_flags:
1577 *
1578 * go and send a ramrod!
1579 */
1580static int bnx2x_execute_vlan_mac(struct bnx2x *bp,
1581 union bnx2x_qable_obj *qo,
1582 struct list_head *exe_chunk,
1583 unsigned long *ramrod_flags)
1584{
1585 struct bnx2x_exeq_elem *elem;
1586 struct bnx2x_vlan_mac_obj *o = &qo->vlan_mac, *cam_obj;
1587 struct bnx2x_raw_obj *r = &o->raw;
1588 int rc, idx = 0;
1589 bool restore = test_bit(RAMROD_RESTORE, ramrod_flags);
1590 bool drv_only = test_bit(RAMROD_DRV_CLR_ONLY, ramrod_flags);
1591 struct bnx2x_vlan_mac_registry_elem *reg_elem;
1592 int cmd;
1593
1594 /*
1595 * If DRIVER_ONLY execution is requested, cleanup a registry
1596 * and exit. Otherwise send a ramrod to FW.
1597 */
1598 if (!drv_only) {
1599 WARN_ON(r->check_pending(r));
1600
1601 /* Set pending */
1602 r->set_pending(r);
1603
1604 /* Fill tha ramrod data */
1605 list_for_each_entry(elem, exe_chunk, link) {
1606 cmd = elem->cmd_data.vlan_mac.cmd;
1607 /*
1608 * We will add to the target object in MOVE command, so
1609 * change the object for a CAM search.
1610 */
1611 if (cmd == BNX2X_VLAN_MAC_MOVE)
1612 cam_obj = elem->cmd_data.vlan_mac.target_obj;
1613 else
1614 cam_obj = o;
1615
1616 rc = bnx2x_vlan_mac_get_registry_elem(bp, cam_obj,
1617 elem, restore,
1618 &reg_elem);
1619 if (rc)
1620 goto error_exit;
1621
1622 WARN_ON(!reg_elem);
1623
1624 /* Push a new entry into the registry */
1625 if (!restore &&
1626 ((cmd == BNX2X_VLAN_MAC_ADD) ||
1627 (cmd == BNX2X_VLAN_MAC_MOVE)))
1628 list_add(&reg_elem->link, &cam_obj->head);
1629
1630 /* Configure a single command in a ramrod data buffer */
1631 o->set_one_rule(bp, o, elem, idx,
1632 reg_elem->cam_offset);
1633
1634 /* MOVE command consumes 2 entries in the ramrod data */
1635 if (cmd == BNX2X_VLAN_MAC_MOVE)
1636 idx += 2;
1637 else
1638 idx++;
1639 }
1640
Vladislav Zolotarov53e51e22011-07-19 01:45:02 +00001641 /*
1642 * No need for an explicit memory barrier here as long we would
1643 * need to ensure the ordering of writing to the SPQ element
1644 * and updating of the SPQ producer which involves a memory
1645 * read and we will have to put a full memory barrier there
1646 * (inside bnx2x_sp_post()).
1647 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001648
1649 rc = bnx2x_sp_post(bp, o->ramrod_cmd, r->cid,
1650 U64_HI(r->rdata_mapping),
1651 U64_LO(r->rdata_mapping),
1652 ETH_CONNECTION_TYPE);
1653 if (rc)
1654 goto error_exit;
1655 }
1656
1657 /* Now, when we are done with the ramrod - clean up the registry */
1658 list_for_each_entry(elem, exe_chunk, link) {
1659 cmd = elem->cmd_data.vlan_mac.cmd;
1660 if ((cmd == BNX2X_VLAN_MAC_DEL) ||
1661 (cmd == BNX2X_VLAN_MAC_MOVE)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001662 reg_elem = o->check_del(bp, o,
1663 &elem->cmd_data.vlan_mac.u);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001664
1665 WARN_ON(!reg_elem);
1666
1667 o->put_cam_offset(o, reg_elem->cam_offset);
1668 list_del(&reg_elem->link);
1669 kfree(reg_elem);
1670 }
1671 }
1672
1673 if (!drv_only)
1674 return 1;
1675 else
1676 return 0;
1677
1678error_exit:
1679 r->clear_pending(r);
1680
1681 /* Cleanup a registry in case of a failure */
1682 list_for_each_entry(elem, exe_chunk, link) {
1683 cmd = elem->cmd_data.vlan_mac.cmd;
1684
1685 if (cmd == BNX2X_VLAN_MAC_MOVE)
1686 cam_obj = elem->cmd_data.vlan_mac.target_obj;
1687 else
1688 cam_obj = o;
1689
1690 /* Delete all newly added above entries */
1691 if (!restore &&
1692 ((cmd == BNX2X_VLAN_MAC_ADD) ||
1693 (cmd == BNX2X_VLAN_MAC_MOVE))) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001694 reg_elem = o->check_del(bp, cam_obj,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001695 &elem->cmd_data.vlan_mac.u);
1696 if (reg_elem) {
1697 list_del(&reg_elem->link);
1698 kfree(reg_elem);
1699 }
1700 }
1701 }
1702
1703 return rc;
1704}
1705
1706static inline int bnx2x_vlan_mac_push_new_cmd(
1707 struct bnx2x *bp,
1708 struct bnx2x_vlan_mac_ramrod_params *p)
1709{
1710 struct bnx2x_exeq_elem *elem;
1711 struct bnx2x_vlan_mac_obj *o = p->vlan_mac_obj;
1712 bool restore = test_bit(RAMROD_RESTORE, &p->ramrod_flags);
1713
1714 /* Allocate the execution queue element */
1715 elem = bnx2x_exe_queue_alloc_elem(bp);
1716 if (!elem)
1717 return -ENOMEM;
1718
1719 /* Set the command 'length' */
1720 switch (p->user_req.cmd) {
1721 case BNX2X_VLAN_MAC_MOVE:
1722 elem->cmd_len = 2;
1723 break;
1724 default:
1725 elem->cmd_len = 1;
1726 }
1727
1728 /* Fill the object specific info */
1729 memcpy(&elem->cmd_data.vlan_mac, &p->user_req, sizeof(p->user_req));
1730
1731 /* Try to add a new command to the pending list */
1732 return bnx2x_exe_queue_add(bp, &o->exe_queue, elem, restore);
1733}
1734
1735/**
1736 * bnx2x_config_vlan_mac - configure VLAN/MAC/VLAN_MAC filtering rules.
1737 *
1738 * @bp: device handle
1739 * @p:
1740 *
1741 */
1742int bnx2x_config_vlan_mac(
1743 struct bnx2x *bp,
1744 struct bnx2x_vlan_mac_ramrod_params *p)
1745{
1746 int rc = 0;
1747 struct bnx2x_vlan_mac_obj *o = p->vlan_mac_obj;
1748 unsigned long *ramrod_flags = &p->ramrod_flags;
1749 bool cont = test_bit(RAMROD_CONT, ramrod_flags);
1750 struct bnx2x_raw_obj *raw = &o->raw;
1751
1752 /*
1753 * Add new elements to the execution list for commands that require it.
1754 */
1755 if (!cont) {
1756 rc = bnx2x_vlan_mac_push_new_cmd(bp, p);
1757 if (rc)
1758 return rc;
1759 }
1760
1761 /*
1762 * If nothing will be executed further in this iteration we want to
1763 * return PENDING if there are pending commands
1764 */
1765 if (!bnx2x_exe_queue_empty(&o->exe_queue))
1766 rc = 1;
1767
Vladislav Zolotarov79616892011-07-21 07:58:54 +00001768 if (test_bit(RAMROD_DRV_CLR_ONLY, ramrod_flags)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001769 DP(BNX2X_MSG_SP, "RAMROD_DRV_CLR_ONLY requested: clearing a pending bit.\n");
Vladislav Zolotarov79616892011-07-21 07:58:54 +00001770 raw->clear_pending(raw);
1771 }
1772
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001773 /* Execute commands if required */
1774 if (cont || test_bit(RAMROD_EXEC, ramrod_flags) ||
1775 test_bit(RAMROD_COMP_WAIT, ramrod_flags)) {
1776 rc = bnx2x_exe_queue_step(bp, &o->exe_queue, ramrod_flags);
1777 if (rc < 0)
1778 return rc;
1779 }
1780
1781 /*
1782 * RAMROD_COMP_WAIT is a superset of RAMROD_EXEC. If it was set
1783 * then user want to wait until the last command is done.
1784 */
1785 if (test_bit(RAMROD_COMP_WAIT, &p->ramrod_flags)) {
1786 /*
1787 * Wait maximum for the current exe_queue length iterations plus
1788 * one (for the current pending command).
1789 */
1790 int max_iterations = bnx2x_exe_queue_length(&o->exe_queue) + 1;
1791
1792 while (!bnx2x_exe_queue_empty(&o->exe_queue) &&
1793 max_iterations--) {
1794
1795 /* Wait for the current command to complete */
1796 rc = raw->wait_comp(bp, raw);
1797 if (rc)
1798 return rc;
1799
1800 /* Make a next step */
1801 rc = bnx2x_exe_queue_step(bp, &o->exe_queue,
1802 ramrod_flags);
1803 if (rc < 0)
1804 return rc;
1805 }
1806
1807 return 0;
1808 }
1809
1810 return rc;
1811}
1812
1813
1814
1815/**
1816 * bnx2x_vlan_mac_del_all - delete elements with given vlan_mac_flags spec
1817 *
1818 * @bp: device handle
1819 * @o:
1820 * @vlan_mac_flags:
1821 * @ramrod_flags: execution flags to be used for this deletion
1822 *
1823 * if the last operation has completed successfully and there are no
1824 * moreelements left, positive value if the last operation has completed
1825 * successfully and there are more previously configured elements, negative
1826 * value is current operation has failed.
1827 */
1828static int bnx2x_vlan_mac_del_all(struct bnx2x *bp,
1829 struct bnx2x_vlan_mac_obj *o,
1830 unsigned long *vlan_mac_flags,
1831 unsigned long *ramrod_flags)
1832{
1833 struct bnx2x_vlan_mac_registry_elem *pos = NULL;
1834 int rc = 0;
1835 struct bnx2x_vlan_mac_ramrod_params p;
1836 struct bnx2x_exe_queue_obj *exeq = &o->exe_queue;
1837 struct bnx2x_exeq_elem *exeq_pos, *exeq_pos_n;
1838
1839 /* Clear pending commands first */
1840
1841 spin_lock_bh(&exeq->lock);
1842
1843 list_for_each_entry_safe(exeq_pos, exeq_pos_n, &exeq->exe_queue, link) {
1844 if (exeq_pos->cmd_data.vlan_mac.vlan_mac_flags ==
Yuval Mintz460a25c2012-01-23 07:31:51 +00001845 *vlan_mac_flags) {
1846 rc = exeq->remove(bp, exeq->owner, exeq_pos);
1847 if (rc) {
1848 BNX2X_ERR("Failed to remove command\n");
Dan Carpentera44acd52012-01-24 21:59:31 +00001849 spin_unlock_bh(&exeq->lock);
Yuval Mintz460a25c2012-01-23 07:31:51 +00001850 return rc;
1851 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001852 list_del(&exeq_pos->link);
Yuval Mintz460a25c2012-01-23 07:31:51 +00001853 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001854 }
1855
1856 spin_unlock_bh(&exeq->lock);
1857
1858 /* Prepare a command request */
1859 memset(&p, 0, sizeof(p));
1860 p.vlan_mac_obj = o;
1861 p.ramrod_flags = *ramrod_flags;
1862 p.user_req.cmd = BNX2X_VLAN_MAC_DEL;
1863
1864 /*
1865 * Add all but the last VLAN-MAC to the execution queue without actually
1866 * execution anything.
1867 */
1868 __clear_bit(RAMROD_COMP_WAIT, &p.ramrod_flags);
1869 __clear_bit(RAMROD_EXEC, &p.ramrod_flags);
1870 __clear_bit(RAMROD_CONT, &p.ramrod_flags);
1871
1872 list_for_each_entry(pos, &o->head, link) {
1873 if (pos->vlan_mac_flags == *vlan_mac_flags) {
1874 p.user_req.vlan_mac_flags = pos->vlan_mac_flags;
1875 memcpy(&p.user_req.u, &pos->u, sizeof(pos->u));
1876 rc = bnx2x_config_vlan_mac(bp, &p);
1877 if (rc < 0) {
1878 BNX2X_ERR("Failed to add a new DEL command\n");
1879 return rc;
1880 }
1881 }
1882 }
1883
1884 p.ramrod_flags = *ramrod_flags;
1885 __set_bit(RAMROD_CONT, &p.ramrod_flags);
1886
1887 return bnx2x_config_vlan_mac(bp, &p);
1888}
1889
1890static inline void bnx2x_init_raw_obj(struct bnx2x_raw_obj *raw, u8 cl_id,
1891 u32 cid, u8 func_id, void *rdata, dma_addr_t rdata_mapping, int state,
1892 unsigned long *pstate, bnx2x_obj_type type)
1893{
1894 raw->func_id = func_id;
1895 raw->cid = cid;
1896 raw->cl_id = cl_id;
1897 raw->rdata = rdata;
1898 raw->rdata_mapping = rdata_mapping;
1899 raw->state = state;
1900 raw->pstate = pstate;
1901 raw->obj_type = type;
1902 raw->check_pending = bnx2x_raw_check_pending;
1903 raw->clear_pending = bnx2x_raw_clear_pending;
1904 raw->set_pending = bnx2x_raw_set_pending;
1905 raw->wait_comp = bnx2x_raw_wait;
1906}
1907
1908static inline void bnx2x_init_vlan_mac_common(struct bnx2x_vlan_mac_obj *o,
1909 u8 cl_id, u32 cid, u8 func_id, void *rdata, dma_addr_t rdata_mapping,
1910 int state, unsigned long *pstate, bnx2x_obj_type type,
1911 struct bnx2x_credit_pool_obj *macs_pool,
1912 struct bnx2x_credit_pool_obj *vlans_pool)
1913{
1914 INIT_LIST_HEAD(&o->head);
1915
1916 o->macs_pool = macs_pool;
1917 o->vlans_pool = vlans_pool;
1918
1919 o->delete_all = bnx2x_vlan_mac_del_all;
1920 o->restore = bnx2x_vlan_mac_restore;
1921 o->complete = bnx2x_complete_vlan_mac;
1922 o->wait = bnx2x_wait_vlan_mac;
1923
1924 bnx2x_init_raw_obj(&o->raw, cl_id, cid, func_id, rdata, rdata_mapping,
1925 state, pstate, type);
1926}
1927
1928
1929void bnx2x_init_mac_obj(struct bnx2x *bp,
1930 struct bnx2x_vlan_mac_obj *mac_obj,
1931 u8 cl_id, u32 cid, u8 func_id, void *rdata,
1932 dma_addr_t rdata_mapping, int state,
1933 unsigned long *pstate, bnx2x_obj_type type,
1934 struct bnx2x_credit_pool_obj *macs_pool)
1935{
1936 union bnx2x_qable_obj *qable_obj = (union bnx2x_qable_obj *)mac_obj;
1937
1938 bnx2x_init_vlan_mac_common(mac_obj, cl_id, cid, func_id, rdata,
1939 rdata_mapping, state, pstate, type,
1940 macs_pool, NULL);
1941
1942 /* CAM credit pool handling */
1943 mac_obj->get_credit = bnx2x_get_credit_mac;
1944 mac_obj->put_credit = bnx2x_put_credit_mac;
1945 mac_obj->get_cam_offset = bnx2x_get_cam_offset_mac;
1946 mac_obj->put_cam_offset = bnx2x_put_cam_offset_mac;
1947
1948 if (CHIP_IS_E1x(bp)) {
1949 mac_obj->set_one_rule = bnx2x_set_one_mac_e1x;
1950 mac_obj->check_del = bnx2x_check_mac_del;
1951 mac_obj->check_add = bnx2x_check_mac_add;
1952 mac_obj->check_move = bnx2x_check_move_always_err;
1953 mac_obj->ramrod_cmd = RAMROD_CMD_ID_ETH_SET_MAC;
1954
1955 /* Exe Queue */
1956 bnx2x_exe_queue_init(bp,
1957 &mac_obj->exe_queue, 1, qable_obj,
1958 bnx2x_validate_vlan_mac,
Yuval Mintz460a25c2012-01-23 07:31:51 +00001959 bnx2x_remove_vlan_mac,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001960 bnx2x_optimize_vlan_mac,
1961 bnx2x_execute_vlan_mac,
1962 bnx2x_exeq_get_mac);
1963 } else {
1964 mac_obj->set_one_rule = bnx2x_set_one_mac_e2;
1965 mac_obj->check_del = bnx2x_check_mac_del;
1966 mac_obj->check_add = bnx2x_check_mac_add;
1967 mac_obj->check_move = bnx2x_check_move;
1968 mac_obj->ramrod_cmd =
1969 RAMROD_CMD_ID_ETH_CLASSIFICATION_RULES;
Ariel Eliored5162a2011-12-05 21:52:24 +00001970 mac_obj->get_n_elements = bnx2x_get_n_elements;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001971
1972 /* Exe Queue */
1973 bnx2x_exe_queue_init(bp,
1974 &mac_obj->exe_queue, CLASSIFY_RULES_COUNT,
1975 qable_obj, bnx2x_validate_vlan_mac,
Yuval Mintz460a25c2012-01-23 07:31:51 +00001976 bnx2x_remove_vlan_mac,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001977 bnx2x_optimize_vlan_mac,
1978 bnx2x_execute_vlan_mac,
1979 bnx2x_exeq_get_mac);
1980 }
1981}
1982
1983void bnx2x_init_vlan_obj(struct bnx2x *bp,
1984 struct bnx2x_vlan_mac_obj *vlan_obj,
1985 u8 cl_id, u32 cid, u8 func_id, void *rdata,
1986 dma_addr_t rdata_mapping, int state,
1987 unsigned long *pstate, bnx2x_obj_type type,
1988 struct bnx2x_credit_pool_obj *vlans_pool)
1989{
1990 union bnx2x_qable_obj *qable_obj = (union bnx2x_qable_obj *)vlan_obj;
1991
1992 bnx2x_init_vlan_mac_common(vlan_obj, cl_id, cid, func_id, rdata,
1993 rdata_mapping, state, pstate, type, NULL,
1994 vlans_pool);
1995
1996 vlan_obj->get_credit = bnx2x_get_credit_vlan;
1997 vlan_obj->put_credit = bnx2x_put_credit_vlan;
1998 vlan_obj->get_cam_offset = bnx2x_get_cam_offset_vlan;
1999 vlan_obj->put_cam_offset = bnx2x_put_cam_offset_vlan;
2000
2001 if (CHIP_IS_E1x(bp)) {
2002 BNX2X_ERR("Do not support chips others than E2 and newer\n");
2003 BUG();
2004 } else {
2005 vlan_obj->set_one_rule = bnx2x_set_one_vlan_e2;
2006 vlan_obj->check_del = bnx2x_check_vlan_del;
2007 vlan_obj->check_add = bnx2x_check_vlan_add;
2008 vlan_obj->check_move = bnx2x_check_move;
2009 vlan_obj->ramrod_cmd =
2010 RAMROD_CMD_ID_ETH_CLASSIFICATION_RULES;
2011
2012 /* Exe Queue */
2013 bnx2x_exe_queue_init(bp,
2014 &vlan_obj->exe_queue, CLASSIFY_RULES_COUNT,
2015 qable_obj, bnx2x_validate_vlan_mac,
Yuval Mintz460a25c2012-01-23 07:31:51 +00002016 bnx2x_remove_vlan_mac,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002017 bnx2x_optimize_vlan_mac,
2018 bnx2x_execute_vlan_mac,
2019 bnx2x_exeq_get_vlan);
2020 }
2021}
2022
2023void bnx2x_init_vlan_mac_obj(struct bnx2x *bp,
2024 struct bnx2x_vlan_mac_obj *vlan_mac_obj,
2025 u8 cl_id, u32 cid, u8 func_id, void *rdata,
2026 dma_addr_t rdata_mapping, int state,
2027 unsigned long *pstate, bnx2x_obj_type type,
2028 struct bnx2x_credit_pool_obj *macs_pool,
2029 struct bnx2x_credit_pool_obj *vlans_pool)
2030{
2031 union bnx2x_qable_obj *qable_obj =
2032 (union bnx2x_qable_obj *)vlan_mac_obj;
2033
2034 bnx2x_init_vlan_mac_common(vlan_mac_obj, cl_id, cid, func_id, rdata,
2035 rdata_mapping, state, pstate, type,
2036 macs_pool, vlans_pool);
2037
2038 /* CAM pool handling */
2039 vlan_mac_obj->get_credit = bnx2x_get_credit_vlan_mac;
2040 vlan_mac_obj->put_credit = bnx2x_put_credit_vlan_mac;
2041 /*
2042 * CAM offset is relevant for 57710 and 57711 chips only which have a
2043 * single CAM for both MACs and VLAN-MAC pairs. So the offset
2044 * will be taken from MACs' pool object only.
2045 */
2046 vlan_mac_obj->get_cam_offset = bnx2x_get_cam_offset_mac;
2047 vlan_mac_obj->put_cam_offset = bnx2x_put_cam_offset_mac;
2048
2049 if (CHIP_IS_E1(bp)) {
2050 BNX2X_ERR("Do not support chips others than E2\n");
2051 BUG();
2052 } else if (CHIP_IS_E1H(bp)) {
2053 vlan_mac_obj->set_one_rule = bnx2x_set_one_vlan_mac_e1h;
2054 vlan_mac_obj->check_del = bnx2x_check_vlan_mac_del;
2055 vlan_mac_obj->check_add = bnx2x_check_vlan_mac_add;
2056 vlan_mac_obj->check_move = bnx2x_check_move_always_err;
2057 vlan_mac_obj->ramrod_cmd = RAMROD_CMD_ID_ETH_SET_MAC;
2058
2059 /* Exe Queue */
2060 bnx2x_exe_queue_init(bp,
2061 &vlan_mac_obj->exe_queue, 1, qable_obj,
2062 bnx2x_validate_vlan_mac,
Yuval Mintz460a25c2012-01-23 07:31:51 +00002063 bnx2x_remove_vlan_mac,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002064 bnx2x_optimize_vlan_mac,
2065 bnx2x_execute_vlan_mac,
2066 bnx2x_exeq_get_vlan_mac);
2067 } else {
2068 vlan_mac_obj->set_one_rule = bnx2x_set_one_vlan_mac_e2;
2069 vlan_mac_obj->check_del = bnx2x_check_vlan_mac_del;
2070 vlan_mac_obj->check_add = bnx2x_check_vlan_mac_add;
2071 vlan_mac_obj->check_move = bnx2x_check_move;
2072 vlan_mac_obj->ramrod_cmd =
2073 RAMROD_CMD_ID_ETH_CLASSIFICATION_RULES;
2074
2075 /* Exe Queue */
2076 bnx2x_exe_queue_init(bp,
2077 &vlan_mac_obj->exe_queue,
2078 CLASSIFY_RULES_COUNT,
2079 qable_obj, bnx2x_validate_vlan_mac,
Yuval Mintz460a25c2012-01-23 07:31:51 +00002080 bnx2x_remove_vlan_mac,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002081 bnx2x_optimize_vlan_mac,
2082 bnx2x_execute_vlan_mac,
2083 bnx2x_exeq_get_vlan_mac);
2084 }
2085
2086}
2087
2088/* RX_MODE verbs: DROP_ALL/ACCEPT_ALL/ACCEPT_ALL_MULTI/ACCEPT_ALL_VLAN/NORMAL */
2089static inline void __storm_memset_mac_filters(struct bnx2x *bp,
2090 struct tstorm_eth_mac_filter_config *mac_filters,
2091 u16 pf_id)
2092{
2093 size_t size = sizeof(struct tstorm_eth_mac_filter_config);
2094
2095 u32 addr = BAR_TSTRORM_INTMEM +
2096 TSTORM_MAC_FILTER_CONFIG_OFFSET(pf_id);
2097
2098 __storm_memset_struct(bp, addr, size, (u32 *)mac_filters);
2099}
2100
2101static int bnx2x_set_rx_mode_e1x(struct bnx2x *bp,
2102 struct bnx2x_rx_mode_ramrod_params *p)
2103{
2104 /* update the bp MAC filter structure */
2105 u32 mask = (1 << p->cl_id);
2106
2107 struct tstorm_eth_mac_filter_config *mac_filters =
2108 (struct tstorm_eth_mac_filter_config *)p->rdata;
2109
2110 /* initial seeting is drop-all */
2111 u8 drop_all_ucast = 1, drop_all_mcast = 1;
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00002112 u8 accp_all_ucast = 0, accp_all_bcast = 0, accp_all_mcast = 0;
2113 u8 unmatched_unicast = 0;
2114
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002115 /* In e1x there we only take into account rx acceot flag since tx switching
2116 * isn't enabled. */
2117 if (test_bit(BNX2X_ACCEPT_UNICAST, &p->rx_accept_flags))
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00002118 /* accept matched ucast */
2119 drop_all_ucast = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002120
2121 if (test_bit(BNX2X_ACCEPT_MULTICAST, &p->rx_accept_flags))
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00002122 /* accept matched mcast */
2123 drop_all_mcast = 0;
2124
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002125 if (test_bit(BNX2X_ACCEPT_ALL_UNICAST, &p->rx_accept_flags)) {
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00002126 /* accept all mcast */
2127 drop_all_ucast = 0;
2128 accp_all_ucast = 1;
2129 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002130 if (test_bit(BNX2X_ACCEPT_ALL_MULTICAST, &p->rx_accept_flags)) {
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00002131 /* accept all mcast */
2132 drop_all_mcast = 0;
2133 accp_all_mcast = 1;
2134 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002135 if (test_bit(BNX2X_ACCEPT_BROADCAST, &p->rx_accept_flags))
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00002136 /* accept (all) bcast */
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00002137 accp_all_bcast = 1;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002138 if (test_bit(BNX2X_ACCEPT_UNMATCHED, &p->rx_accept_flags))
2139 /* accept unmatched unicasts */
2140 unmatched_unicast = 1;
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00002141
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002142 mac_filters->ucast_drop_all = drop_all_ucast ?
2143 mac_filters->ucast_drop_all | mask :
2144 mac_filters->ucast_drop_all & ~mask;
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00002145
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002146 mac_filters->mcast_drop_all = drop_all_mcast ?
2147 mac_filters->mcast_drop_all | mask :
2148 mac_filters->mcast_drop_all & ~mask;
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00002149
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002150 mac_filters->ucast_accept_all = accp_all_ucast ?
2151 mac_filters->ucast_accept_all | mask :
2152 mac_filters->ucast_accept_all & ~mask;
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00002153
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002154 mac_filters->mcast_accept_all = accp_all_mcast ?
2155 mac_filters->mcast_accept_all | mask :
2156 mac_filters->mcast_accept_all & ~mask;
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00002157
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002158 mac_filters->bcast_accept_all = accp_all_bcast ?
2159 mac_filters->bcast_accept_all | mask :
2160 mac_filters->bcast_accept_all & ~mask;
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00002161
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002162 mac_filters->unmatched_unicast = unmatched_unicast ?
2163 mac_filters->unmatched_unicast | mask :
2164 mac_filters->unmatched_unicast & ~mask;
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00002165
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002166 DP(BNX2X_MSG_SP, "drop_ucast 0x%x\ndrop_mcast 0x%x\n accp_ucast 0x%x\n"
Merav Sicron51c1a582012-03-18 10:33:38 +00002167 "accp_mcast 0x%x\naccp_bcast 0x%x\n",
2168 mac_filters->ucast_drop_all, mac_filters->mcast_drop_all,
2169 mac_filters->ucast_accept_all, mac_filters->mcast_accept_all,
2170 mac_filters->bcast_accept_all);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002171
2172 /* write the MAC filter structure*/
2173 __storm_memset_mac_filters(bp, mac_filters, p->func_id);
2174
2175 /* The operation is completed */
2176 clear_bit(p->state, p->pstate);
2177 smp_mb__after_clear_bit();
2178
2179 return 0;
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00002180}
2181
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002182/* Setup ramrod data */
2183static inline void bnx2x_rx_mode_set_rdata_hdr_e2(u32 cid,
2184 struct eth_classify_header *hdr,
2185 u8 rule_cnt)
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00002186{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002187 hdr->echo = cid;
2188 hdr->rule_cnt = rule_cnt;
2189}
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00002190
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002191static inline void bnx2x_rx_mode_set_cmd_state_e2(struct bnx2x *bp,
2192 unsigned long accept_flags,
2193 struct eth_filter_rules_cmd *cmd,
2194 bool clear_accept_all)
2195{
2196 u16 state;
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00002197
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002198 /* start with 'drop-all' */
2199 state = ETH_FILTER_RULES_CMD_UCAST_DROP_ALL |
2200 ETH_FILTER_RULES_CMD_MCAST_DROP_ALL;
2201
2202 if (accept_flags) {
2203 if (test_bit(BNX2X_ACCEPT_UNICAST, &accept_flags))
2204 state &= ~ETH_FILTER_RULES_CMD_UCAST_DROP_ALL;
2205
2206 if (test_bit(BNX2X_ACCEPT_MULTICAST, &accept_flags))
2207 state &= ~ETH_FILTER_RULES_CMD_MCAST_DROP_ALL;
2208
2209 if (test_bit(BNX2X_ACCEPT_ALL_UNICAST, &accept_flags)) {
2210 state &= ~ETH_FILTER_RULES_CMD_UCAST_DROP_ALL;
2211 state |= ETH_FILTER_RULES_CMD_UCAST_ACCEPT_ALL;
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00002212 }
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00002213
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002214 if (test_bit(BNX2X_ACCEPT_ALL_MULTICAST, &accept_flags)) {
2215 state |= ETH_FILTER_RULES_CMD_MCAST_ACCEPT_ALL;
2216 state &= ~ETH_FILTER_RULES_CMD_MCAST_DROP_ALL;
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00002217 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002218 if (test_bit(BNX2X_ACCEPT_BROADCAST, &accept_flags))
2219 state |= ETH_FILTER_RULES_CMD_BCAST_ACCEPT_ALL;
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00002220
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002221 if (test_bit(BNX2X_ACCEPT_UNMATCHED, &accept_flags)) {
2222 state &= ~ETH_FILTER_RULES_CMD_UCAST_DROP_ALL;
2223 state |= ETH_FILTER_RULES_CMD_UCAST_ACCEPT_UNMATCHED;
2224 }
2225 if (test_bit(BNX2X_ACCEPT_ANY_VLAN, &accept_flags))
2226 state |= ETH_FILTER_RULES_CMD_ACCEPT_ANY_VLAN;
2227 }
2228
2229 /* Clear ACCEPT_ALL_XXX flags for FCoE L2 Queue */
2230 if (clear_accept_all) {
2231 state &= ~ETH_FILTER_RULES_CMD_MCAST_ACCEPT_ALL;
2232 state &= ~ETH_FILTER_RULES_CMD_BCAST_ACCEPT_ALL;
2233 state &= ~ETH_FILTER_RULES_CMD_UCAST_ACCEPT_ALL;
2234 state &= ~ETH_FILTER_RULES_CMD_UCAST_ACCEPT_UNMATCHED;
2235 }
2236
2237 cmd->state = cpu_to_le16(state);
2238
2239}
2240
2241static int bnx2x_set_rx_mode_e2(struct bnx2x *bp,
2242 struct bnx2x_rx_mode_ramrod_params *p)
2243{
2244 struct eth_filter_rules_ramrod_data *data = p->rdata;
2245 int rc;
2246 u8 rule_idx = 0;
2247
2248 /* Reset the ramrod data buffer */
2249 memset(data, 0, sizeof(*data));
2250
2251 /* Setup ramrod data */
2252
2253 /* Tx (internal switching) */
2254 if (test_bit(RAMROD_TX, &p->ramrod_flags)) {
2255 data->rules[rule_idx].client_id = p->cl_id;
2256 data->rules[rule_idx].func_id = p->func_id;
2257
2258 data->rules[rule_idx].cmd_general_data =
2259 ETH_FILTER_RULES_CMD_TX_CMD;
2260
2261 bnx2x_rx_mode_set_cmd_state_e2(bp, p->tx_accept_flags,
2262 &(data->rules[rule_idx++]), false);
2263 }
2264
2265 /* Rx */
2266 if (test_bit(RAMROD_RX, &p->ramrod_flags)) {
2267 data->rules[rule_idx].client_id = p->cl_id;
2268 data->rules[rule_idx].func_id = p->func_id;
2269
2270 data->rules[rule_idx].cmd_general_data =
2271 ETH_FILTER_RULES_CMD_RX_CMD;
2272
2273 bnx2x_rx_mode_set_cmd_state_e2(bp, p->rx_accept_flags,
2274 &(data->rules[rule_idx++]), false);
2275 }
2276
2277
2278 /*
2279 * If FCoE Queue configuration has been requested configure the Rx and
2280 * internal switching modes for this queue in separate rules.
2281 *
2282 * FCoE queue shell never be set to ACCEPT_ALL packets of any sort:
2283 * MCAST_ALL, UCAST_ALL, BCAST_ALL and UNMATCHED.
2284 */
2285 if (test_bit(BNX2X_RX_MODE_FCOE_ETH, &p->rx_mode_flags)) {
2286 /* Tx (internal switching) */
2287 if (test_bit(RAMROD_TX, &p->ramrod_flags)) {
2288 data->rules[rule_idx].client_id = bnx2x_fcoe(bp, cl_id);
2289 data->rules[rule_idx].func_id = p->func_id;
2290
2291 data->rules[rule_idx].cmd_general_data =
2292 ETH_FILTER_RULES_CMD_TX_CMD;
2293
2294 bnx2x_rx_mode_set_cmd_state_e2(bp, p->tx_accept_flags,
2295 &(data->rules[rule_idx++]),
2296 true);
2297 }
2298
2299 /* Rx */
2300 if (test_bit(RAMROD_RX, &p->ramrod_flags)) {
2301 data->rules[rule_idx].client_id = bnx2x_fcoe(bp, cl_id);
2302 data->rules[rule_idx].func_id = p->func_id;
2303
2304 data->rules[rule_idx].cmd_general_data =
2305 ETH_FILTER_RULES_CMD_RX_CMD;
2306
2307 bnx2x_rx_mode_set_cmd_state_e2(bp, p->rx_accept_flags,
2308 &(data->rules[rule_idx++]),
2309 true);
2310 }
2311 }
2312
2313 /*
2314 * Set the ramrod header (most importantly - number of rules to
2315 * configure).
2316 */
2317 bnx2x_rx_mode_set_rdata_hdr_e2(p->cid, &data->header, rule_idx);
2318
Merav Sicron51c1a582012-03-18 10:33:38 +00002319 DP(BNX2X_MSG_SP, "About to configure %d rules, rx_accept_flags 0x%lx, tx_accept_flags 0x%lx\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002320 data->header.rule_cnt, p->rx_accept_flags,
2321 p->tx_accept_flags);
2322
Vladislav Zolotarov53e51e22011-07-19 01:45:02 +00002323 /*
2324 * No need for an explicit memory barrier here as long we would
2325 * need to ensure the ordering of writing to the SPQ element
2326 * and updating of the SPQ producer which involves a memory
2327 * read and we will have to put a full memory barrier there
2328 * (inside bnx2x_sp_post()).
2329 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002330
2331 /* Send a ramrod */
2332 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_FILTER_RULES, p->cid,
2333 U64_HI(p->rdata_mapping),
2334 U64_LO(p->rdata_mapping),
2335 ETH_CONNECTION_TYPE);
2336 if (rc)
2337 return rc;
2338
2339 /* Ramrod completion is pending */
2340 return 1;
2341}
2342
2343static int bnx2x_wait_rx_mode_comp_e2(struct bnx2x *bp,
2344 struct bnx2x_rx_mode_ramrod_params *p)
2345{
2346 return bnx2x_state_wait(bp, p->state, p->pstate);
2347}
2348
2349static int bnx2x_empty_rx_mode_wait(struct bnx2x *bp,
2350 struct bnx2x_rx_mode_ramrod_params *p)
2351{
2352 /* Do nothing */
2353 return 0;
2354}
2355
2356int bnx2x_config_rx_mode(struct bnx2x *bp,
2357 struct bnx2x_rx_mode_ramrod_params *p)
2358{
2359 int rc;
2360
2361 /* Configure the new classification in the chip */
2362 rc = p->rx_mode_obj->config_rx_mode(bp, p);
2363 if (rc < 0)
2364 return rc;
2365
2366 /* Wait for a ramrod completion if was requested */
2367 if (test_bit(RAMROD_COMP_WAIT, &p->ramrod_flags)) {
2368 rc = p->rx_mode_obj->wait_comp(bp, p);
2369 if (rc)
2370 return rc;
2371 }
2372
2373 return rc;
2374}
2375
2376void bnx2x_init_rx_mode_obj(struct bnx2x *bp,
2377 struct bnx2x_rx_mode_obj *o)
2378{
2379 if (CHIP_IS_E1x(bp)) {
2380 o->wait_comp = bnx2x_empty_rx_mode_wait;
2381 o->config_rx_mode = bnx2x_set_rx_mode_e1x;
2382 } else {
2383 o->wait_comp = bnx2x_wait_rx_mode_comp_e2;
2384 o->config_rx_mode = bnx2x_set_rx_mode_e2;
2385 }
2386}
2387
2388/********************* Multicast verbs: SET, CLEAR ****************************/
2389static inline u8 bnx2x_mcast_bin_from_mac(u8 *mac)
2390{
2391 return (crc32c_le(0, mac, ETH_ALEN) >> 24) & 0xff;
2392}
2393
2394struct bnx2x_mcast_mac_elem {
2395 struct list_head link;
2396 u8 mac[ETH_ALEN];
2397 u8 pad[2]; /* For a natural alignment of the following buffer */
2398};
2399
2400struct bnx2x_pending_mcast_cmd {
2401 struct list_head link;
2402 int type; /* BNX2X_MCAST_CMD_X */
2403 union {
2404 struct list_head macs_head;
2405 u32 macs_num; /* Needed for DEL command */
2406 int next_bin; /* Needed for RESTORE flow with aprox match */
2407 } data;
2408
2409 bool done; /* set to true, when the command has been handled,
2410 * practically used in 57712 handling only, where one pending
2411 * command may be handled in a few operations. As long as for
2412 * other chips every operation handling is completed in a
2413 * single ramrod, there is no need to utilize this field.
2414 */
2415};
2416
2417static int bnx2x_mcast_wait(struct bnx2x *bp,
2418 struct bnx2x_mcast_obj *o)
2419{
2420 if (bnx2x_state_wait(bp, o->sched_state, o->raw.pstate) ||
2421 o->raw.wait_comp(bp, &o->raw))
2422 return -EBUSY;
2423
2424 return 0;
2425}
2426
2427static int bnx2x_mcast_enqueue_cmd(struct bnx2x *bp,
2428 struct bnx2x_mcast_obj *o,
2429 struct bnx2x_mcast_ramrod_params *p,
2430 int cmd)
2431{
2432 int total_sz;
2433 struct bnx2x_pending_mcast_cmd *new_cmd;
2434 struct bnx2x_mcast_mac_elem *cur_mac = NULL;
2435 struct bnx2x_mcast_list_elem *pos;
2436 int macs_list_len = ((cmd == BNX2X_MCAST_CMD_ADD) ?
2437 p->mcast_list_len : 0);
2438
2439 /* If the command is empty ("handle pending commands only"), break */
2440 if (!p->mcast_list_len)
2441 return 0;
2442
2443 total_sz = sizeof(*new_cmd) +
2444 macs_list_len * sizeof(struct bnx2x_mcast_mac_elem);
2445
2446 /* Add mcast is called under spin_lock, thus calling with GFP_ATOMIC */
2447 new_cmd = kzalloc(total_sz, GFP_ATOMIC);
2448
2449 if (!new_cmd)
2450 return -ENOMEM;
2451
Merav Sicron51c1a582012-03-18 10:33:38 +00002452 DP(BNX2X_MSG_SP, "About to enqueue a new %d command. macs_list_len=%d\n",
2453 cmd, macs_list_len);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002454
2455 INIT_LIST_HEAD(&new_cmd->data.macs_head);
2456
2457 new_cmd->type = cmd;
2458 new_cmd->done = false;
2459
2460 switch (cmd) {
2461 case BNX2X_MCAST_CMD_ADD:
2462 cur_mac = (struct bnx2x_mcast_mac_elem *)
2463 ((u8 *)new_cmd + sizeof(*new_cmd));
2464
2465 /* Push the MACs of the current command into the pendig command
2466 * MACs list: FIFO
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00002467 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002468 list_for_each_entry(pos, &p->mcast_list, link) {
2469 memcpy(cur_mac->mac, pos->mac, ETH_ALEN);
2470 list_add_tail(&cur_mac->link, &new_cmd->data.macs_head);
2471 cur_mac++;
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00002472 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002473
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00002474 break;
2475
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002476 case BNX2X_MCAST_CMD_DEL:
2477 new_cmd->data.macs_num = p->mcast_list_len;
2478 break;
2479
2480 case BNX2X_MCAST_CMD_RESTORE:
2481 new_cmd->data.next_bin = 0;
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00002482 break;
2483
2484 default:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002485 BNX2X_ERR("Unknown command: %d\n", cmd);
2486 return -EINVAL;
2487 }
2488
2489 /* Push the new pending command to the tail of the pending list: FIFO */
2490 list_add_tail(&new_cmd->link, &o->pending_cmds_head);
2491
2492 o->set_sched(o);
2493
2494 return 1;
2495}
2496
2497/**
2498 * bnx2x_mcast_get_next_bin - get the next set bin (index)
2499 *
2500 * @o:
2501 * @last: index to start looking from (including)
2502 *
2503 * returns the next found (set) bin or a negative value if none is found.
2504 */
2505static inline int bnx2x_mcast_get_next_bin(struct bnx2x_mcast_obj *o, int last)
2506{
2507 int i, j, inner_start = last % BIT_VEC64_ELEM_SZ;
2508
2509 for (i = last / BIT_VEC64_ELEM_SZ; i < BNX2X_MCAST_VEC_SZ; i++) {
2510 if (o->registry.aprox_match.vec[i])
2511 for (j = inner_start; j < BIT_VEC64_ELEM_SZ; j++) {
2512 int cur_bit = j + BIT_VEC64_ELEM_SZ * i;
2513 if (BIT_VEC64_TEST_BIT(o->registry.aprox_match.
2514 vec, cur_bit)) {
2515 return cur_bit;
2516 }
2517 }
2518 inner_start = 0;
2519 }
2520
2521 /* None found */
2522 return -1;
2523}
2524
2525/**
2526 * bnx2x_mcast_clear_first_bin - find the first set bin and clear it
2527 *
2528 * @o:
2529 *
2530 * returns the index of the found bin or -1 if none is found
2531 */
2532static inline int bnx2x_mcast_clear_first_bin(struct bnx2x_mcast_obj *o)
2533{
2534 int cur_bit = bnx2x_mcast_get_next_bin(o, 0);
2535
2536 if (cur_bit >= 0)
2537 BIT_VEC64_CLEAR_BIT(o->registry.aprox_match.vec, cur_bit);
2538
2539 return cur_bit;
2540}
2541
2542static inline u8 bnx2x_mcast_get_rx_tx_flag(struct bnx2x_mcast_obj *o)
2543{
2544 struct bnx2x_raw_obj *raw = &o->raw;
2545 u8 rx_tx_flag = 0;
2546
2547 if ((raw->obj_type == BNX2X_OBJ_TYPE_TX) ||
2548 (raw->obj_type == BNX2X_OBJ_TYPE_RX_TX))
2549 rx_tx_flag |= ETH_MULTICAST_RULES_CMD_TX_CMD;
2550
2551 if ((raw->obj_type == BNX2X_OBJ_TYPE_RX) ||
2552 (raw->obj_type == BNX2X_OBJ_TYPE_RX_TX))
2553 rx_tx_flag |= ETH_MULTICAST_RULES_CMD_RX_CMD;
2554
2555 return rx_tx_flag;
2556}
2557
2558static void bnx2x_mcast_set_one_rule_e2(struct bnx2x *bp,
2559 struct bnx2x_mcast_obj *o, int idx,
2560 union bnx2x_mcast_config_data *cfg_data,
2561 int cmd)
2562{
2563 struct bnx2x_raw_obj *r = &o->raw;
2564 struct eth_multicast_rules_ramrod_data *data =
2565 (struct eth_multicast_rules_ramrod_data *)(r->rdata);
2566 u8 func_id = r->func_id;
2567 u8 rx_tx_add_flag = bnx2x_mcast_get_rx_tx_flag(o);
2568 int bin;
2569
2570 if ((cmd == BNX2X_MCAST_CMD_ADD) || (cmd == BNX2X_MCAST_CMD_RESTORE))
2571 rx_tx_add_flag |= ETH_MULTICAST_RULES_CMD_IS_ADD;
2572
2573 data->rules[idx].cmd_general_data |= rx_tx_add_flag;
2574
2575 /* Get a bin and update a bins' vector */
2576 switch (cmd) {
2577 case BNX2X_MCAST_CMD_ADD:
2578 bin = bnx2x_mcast_bin_from_mac(cfg_data->mac);
2579 BIT_VEC64_SET_BIT(o->registry.aprox_match.vec, bin);
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00002580 break;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002581
2582 case BNX2X_MCAST_CMD_DEL:
2583 /* If there were no more bins to clear
2584 * (bnx2x_mcast_clear_first_bin() returns -1) then we would
2585 * clear any (0xff) bin.
2586 * See bnx2x_mcast_validate_e2() for explanation when it may
2587 * happen.
2588 */
2589 bin = bnx2x_mcast_clear_first_bin(o);
2590 break;
2591
2592 case BNX2X_MCAST_CMD_RESTORE:
2593 bin = cfg_data->bin;
2594 break;
2595
2596 default:
2597 BNX2X_ERR("Unknown command: %d\n", cmd);
2598 return;
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00002599 }
2600
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002601 DP(BNX2X_MSG_SP, "%s bin %d\n",
2602 ((rx_tx_add_flag & ETH_MULTICAST_RULES_CMD_IS_ADD) ?
2603 "Setting" : "Clearing"), bin);
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00002604
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002605 data->rules[idx].bin_id = (u8)bin;
2606 data->rules[idx].func_id = func_id;
2607 data->rules[idx].engine_id = o->engine_id;
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00002608}
2609
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002610/**
2611 * bnx2x_mcast_handle_restore_cmd_e2 - restore configuration from the registry
2612 *
2613 * @bp: device handle
2614 * @o:
2615 * @start_bin: index in the registry to start from (including)
2616 * @rdata_idx: index in the ramrod data to start from
2617 *
2618 * returns last handled bin index or -1 if all bins have been handled
2619 */
2620static inline int bnx2x_mcast_handle_restore_cmd_e2(
2621 struct bnx2x *bp, struct bnx2x_mcast_obj *o , int start_bin,
2622 int *rdata_idx)
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00002623{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002624 int cur_bin, cnt = *rdata_idx;
2625 union bnx2x_mcast_config_data cfg_data = {0};
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00002626
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002627 /* go through the registry and configure the bins from it */
2628 for (cur_bin = bnx2x_mcast_get_next_bin(o, start_bin); cur_bin >= 0;
2629 cur_bin = bnx2x_mcast_get_next_bin(o, cur_bin + 1)) {
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00002630
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002631 cfg_data.bin = (u8)cur_bin;
2632 o->set_one_rule(bp, o, cnt, &cfg_data,
2633 BNX2X_MCAST_CMD_RESTORE);
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00002634
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002635 cnt++;
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00002636
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002637 DP(BNX2X_MSG_SP, "About to configure a bin %d\n", cur_bin);
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00002638
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002639 /* Break if we reached the maximum number
2640 * of rules.
2641 */
2642 if (cnt >= o->max_cmd_len)
2643 break;
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00002644 }
2645
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002646 *rdata_idx = cnt;
2647
2648 return cur_bin;
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00002649}
2650
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002651static inline void bnx2x_mcast_hdl_pending_add_e2(struct bnx2x *bp,
2652 struct bnx2x_mcast_obj *o, struct bnx2x_pending_mcast_cmd *cmd_pos,
2653 int *line_idx)
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00002654{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002655 struct bnx2x_mcast_mac_elem *pmac_pos, *pmac_pos_n;
2656 int cnt = *line_idx;
2657 union bnx2x_mcast_config_data cfg_data = {0};
2658
2659 list_for_each_entry_safe(pmac_pos, pmac_pos_n, &cmd_pos->data.macs_head,
2660 link) {
2661
2662 cfg_data.mac = &pmac_pos->mac[0];
2663 o->set_one_rule(bp, o, cnt, &cfg_data, cmd_pos->type);
2664
2665 cnt++;
2666
Joe Perches0f9dad12011-08-14 12:16:19 +00002667 DP(BNX2X_MSG_SP, "About to configure %pM mcast MAC\n",
Merav Sicron51c1a582012-03-18 10:33:38 +00002668 pmac_pos->mac);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002669
2670 list_del(&pmac_pos->link);
2671
2672 /* Break if we reached the maximum number
2673 * of rules.
2674 */
2675 if (cnt >= o->max_cmd_len)
2676 break;
2677 }
2678
2679 *line_idx = cnt;
2680
2681 /* if no more MACs to configure - we are done */
2682 if (list_empty(&cmd_pos->data.macs_head))
2683 cmd_pos->done = true;
2684}
2685
2686static inline void bnx2x_mcast_hdl_pending_del_e2(struct bnx2x *bp,
2687 struct bnx2x_mcast_obj *o, struct bnx2x_pending_mcast_cmd *cmd_pos,
2688 int *line_idx)
2689{
2690 int cnt = *line_idx;
2691
2692 while (cmd_pos->data.macs_num) {
2693 o->set_one_rule(bp, o, cnt, NULL, cmd_pos->type);
2694
2695 cnt++;
2696
2697 cmd_pos->data.macs_num--;
2698
2699 DP(BNX2X_MSG_SP, "Deleting MAC. %d left,cnt is %d\n",
2700 cmd_pos->data.macs_num, cnt);
2701
2702 /* Break if we reached the maximum
2703 * number of rules.
2704 */
2705 if (cnt >= o->max_cmd_len)
2706 break;
2707 }
2708
2709 *line_idx = cnt;
2710
2711 /* If we cleared all bins - we are done */
2712 if (!cmd_pos->data.macs_num)
2713 cmd_pos->done = true;
2714}
2715
2716static inline void bnx2x_mcast_hdl_pending_restore_e2(struct bnx2x *bp,
2717 struct bnx2x_mcast_obj *o, struct bnx2x_pending_mcast_cmd *cmd_pos,
2718 int *line_idx)
2719{
2720 cmd_pos->data.next_bin = o->hdl_restore(bp, o, cmd_pos->data.next_bin,
2721 line_idx);
2722
2723 if (cmd_pos->data.next_bin < 0)
2724 /* If o->set_restore returned -1 we are done */
2725 cmd_pos->done = true;
2726 else
2727 /* Start from the next bin next time */
2728 cmd_pos->data.next_bin++;
2729}
2730
2731static inline int bnx2x_mcast_handle_pending_cmds_e2(struct bnx2x *bp,
2732 struct bnx2x_mcast_ramrod_params *p)
2733{
2734 struct bnx2x_pending_mcast_cmd *cmd_pos, *cmd_pos_n;
2735 int cnt = 0;
2736 struct bnx2x_mcast_obj *o = p->mcast_obj;
2737
2738 list_for_each_entry_safe(cmd_pos, cmd_pos_n, &o->pending_cmds_head,
2739 link) {
2740 switch (cmd_pos->type) {
2741 case BNX2X_MCAST_CMD_ADD:
2742 bnx2x_mcast_hdl_pending_add_e2(bp, o, cmd_pos, &cnt);
2743 break;
2744
2745 case BNX2X_MCAST_CMD_DEL:
2746 bnx2x_mcast_hdl_pending_del_e2(bp, o, cmd_pos, &cnt);
2747 break;
2748
2749 case BNX2X_MCAST_CMD_RESTORE:
2750 bnx2x_mcast_hdl_pending_restore_e2(bp, o, cmd_pos,
2751 &cnt);
2752 break;
2753
2754 default:
2755 BNX2X_ERR("Unknown command: %d\n", cmd_pos->type);
2756 return -EINVAL;
2757 }
2758
2759 /* If the command has been completed - remove it from the list
2760 * and free the memory
2761 */
2762 if (cmd_pos->done) {
2763 list_del(&cmd_pos->link);
2764 kfree(cmd_pos);
2765 }
2766
2767 /* Break if we reached the maximum number of rules */
2768 if (cnt >= o->max_cmd_len)
2769 break;
2770 }
2771
2772 return cnt;
2773}
2774
2775static inline void bnx2x_mcast_hdl_add(struct bnx2x *bp,
2776 struct bnx2x_mcast_obj *o, struct bnx2x_mcast_ramrod_params *p,
2777 int *line_idx)
2778{
2779 struct bnx2x_mcast_list_elem *mlist_pos;
2780 union bnx2x_mcast_config_data cfg_data = {0};
2781 int cnt = *line_idx;
2782
2783 list_for_each_entry(mlist_pos, &p->mcast_list, link) {
2784 cfg_data.mac = mlist_pos->mac;
2785 o->set_one_rule(bp, o, cnt, &cfg_data, BNX2X_MCAST_CMD_ADD);
2786
2787 cnt++;
2788
Joe Perches0f9dad12011-08-14 12:16:19 +00002789 DP(BNX2X_MSG_SP, "About to configure %pM mcast MAC\n",
2790 mlist_pos->mac);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002791 }
2792
2793 *line_idx = cnt;
2794}
2795
2796static inline void bnx2x_mcast_hdl_del(struct bnx2x *bp,
2797 struct bnx2x_mcast_obj *o, struct bnx2x_mcast_ramrod_params *p,
2798 int *line_idx)
2799{
2800 int cnt = *line_idx, i;
2801
2802 for (i = 0; i < p->mcast_list_len; i++) {
2803 o->set_one_rule(bp, o, cnt, NULL, BNX2X_MCAST_CMD_DEL);
2804
2805 cnt++;
2806
2807 DP(BNX2X_MSG_SP, "Deleting MAC. %d left\n",
2808 p->mcast_list_len - i - 1);
2809 }
2810
2811 *line_idx = cnt;
2812}
2813
2814/**
2815 * bnx2x_mcast_handle_current_cmd -
2816 *
2817 * @bp: device handle
2818 * @p:
2819 * @cmd:
2820 * @start_cnt: first line in the ramrod data that may be used
2821 *
2822 * This function is called iff there is enough place for the current command in
2823 * the ramrod data.
2824 * Returns number of lines filled in the ramrod data in total.
2825 */
2826static inline int bnx2x_mcast_handle_current_cmd(struct bnx2x *bp,
2827 struct bnx2x_mcast_ramrod_params *p, int cmd,
2828 int start_cnt)
2829{
2830 struct bnx2x_mcast_obj *o = p->mcast_obj;
2831 int cnt = start_cnt;
2832
2833 DP(BNX2X_MSG_SP, "p->mcast_list_len=%d\n", p->mcast_list_len);
2834
2835 switch (cmd) {
2836 case BNX2X_MCAST_CMD_ADD:
2837 bnx2x_mcast_hdl_add(bp, o, p, &cnt);
2838 break;
2839
2840 case BNX2X_MCAST_CMD_DEL:
2841 bnx2x_mcast_hdl_del(bp, o, p, &cnt);
2842 break;
2843
2844 case BNX2X_MCAST_CMD_RESTORE:
2845 o->hdl_restore(bp, o, 0, &cnt);
2846 break;
2847
2848 default:
2849 BNX2X_ERR("Unknown command: %d\n", cmd);
2850 return -EINVAL;
2851 }
2852
2853 /* The current command has been handled */
2854 p->mcast_list_len = 0;
2855
2856 return cnt;
2857}
2858
2859static int bnx2x_mcast_validate_e2(struct bnx2x *bp,
2860 struct bnx2x_mcast_ramrod_params *p,
2861 int cmd)
2862{
2863 struct bnx2x_mcast_obj *o = p->mcast_obj;
2864 int reg_sz = o->get_registry_size(o);
2865
2866 switch (cmd) {
2867 /* DEL command deletes all currently configured MACs */
2868 case BNX2X_MCAST_CMD_DEL:
2869 o->set_registry_size(o, 0);
2870 /* Don't break */
2871
2872 /* RESTORE command will restore the entire multicast configuration */
2873 case BNX2X_MCAST_CMD_RESTORE:
2874 /* Here we set the approximate amount of work to do, which in
2875 * fact may be only less as some MACs in postponed ADD
2876 * command(s) scheduled before this command may fall into
2877 * the same bin and the actual number of bins set in the
2878 * registry would be less than we estimated here. See
2879 * bnx2x_mcast_set_one_rule_e2() for further details.
2880 */
2881 p->mcast_list_len = reg_sz;
2882 break;
2883
2884 case BNX2X_MCAST_CMD_ADD:
2885 case BNX2X_MCAST_CMD_CONT:
2886 /* Here we assume that all new MACs will fall into new bins.
2887 * However we will correct the real registry size after we
2888 * handle all pending commands.
2889 */
2890 o->set_registry_size(o, reg_sz + p->mcast_list_len);
2891 break;
2892
2893 default:
2894 BNX2X_ERR("Unknown command: %d\n", cmd);
2895 return -EINVAL;
2896
2897 }
2898
2899 /* Increase the total number of MACs pending to be configured */
2900 o->total_pending_num += p->mcast_list_len;
2901
2902 return 0;
2903}
2904
2905static void bnx2x_mcast_revert_e2(struct bnx2x *bp,
2906 struct bnx2x_mcast_ramrod_params *p,
2907 int old_num_bins)
2908{
2909 struct bnx2x_mcast_obj *o = p->mcast_obj;
2910
2911 o->set_registry_size(o, old_num_bins);
2912 o->total_pending_num -= p->mcast_list_len;
2913}
2914
2915/**
2916 * bnx2x_mcast_set_rdata_hdr_e2 - sets a header values
2917 *
2918 * @bp: device handle
2919 * @p:
2920 * @len: number of rules to handle
2921 */
2922static inline void bnx2x_mcast_set_rdata_hdr_e2(struct bnx2x *bp,
2923 struct bnx2x_mcast_ramrod_params *p,
2924 u8 len)
2925{
2926 struct bnx2x_raw_obj *r = &p->mcast_obj->raw;
2927 struct eth_multicast_rules_ramrod_data *data =
2928 (struct eth_multicast_rules_ramrod_data *)(r->rdata);
2929
2930 data->header.echo = ((r->cid & BNX2X_SWCID_MASK) |
2931 (BNX2X_FILTER_MCAST_PENDING << BNX2X_SWCID_SHIFT));
2932 data->header.rule_cnt = len;
2933}
2934
2935/**
2936 * bnx2x_mcast_refresh_registry_e2 - recalculate the actual number of set bins
2937 *
2938 * @bp: device handle
2939 * @o:
2940 *
2941 * Recalculate the actual number of set bins in the registry using Brian
2942 * Kernighan's algorithm: it's execution complexity is as a number of set bins.
2943 *
2944 * returns 0 for the compliance with bnx2x_mcast_refresh_registry_e1().
2945 */
2946static inline int bnx2x_mcast_refresh_registry_e2(struct bnx2x *bp,
2947 struct bnx2x_mcast_obj *o)
2948{
2949 int i, cnt = 0;
2950 u64 elem;
2951
2952 for (i = 0; i < BNX2X_MCAST_VEC_SZ; i++) {
2953 elem = o->registry.aprox_match.vec[i];
2954 for (; elem; cnt++)
2955 elem &= elem - 1;
2956 }
2957
2958 o->set_registry_size(o, cnt);
2959
2960 return 0;
2961}
2962
2963static int bnx2x_mcast_setup_e2(struct bnx2x *bp,
2964 struct bnx2x_mcast_ramrod_params *p,
2965 int cmd)
2966{
2967 struct bnx2x_raw_obj *raw = &p->mcast_obj->raw;
2968 struct bnx2x_mcast_obj *o = p->mcast_obj;
2969 struct eth_multicast_rules_ramrod_data *data =
2970 (struct eth_multicast_rules_ramrod_data *)(raw->rdata);
2971 int cnt = 0, rc;
2972
2973 /* Reset the ramrod data buffer */
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00002974 memset(data, 0, sizeof(*data));
2975
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002976 cnt = bnx2x_mcast_handle_pending_cmds_e2(bp, p);
2977
2978 /* If there are no more pending commands - clear SCHEDULED state */
2979 if (list_empty(&o->pending_cmds_head))
2980 o->clear_sched(o);
2981
2982 /* The below may be true iff there was enough room in ramrod
2983 * data for all pending commands and for the current
2984 * command. Otherwise the current command would have been added
2985 * to the pending commands and p->mcast_list_len would have been
2986 * zeroed.
2987 */
2988 if (p->mcast_list_len > 0)
2989 cnt = bnx2x_mcast_handle_current_cmd(bp, p, cmd, cnt);
2990
2991 /* We've pulled out some MACs - update the total number of
2992 * outstanding.
2993 */
2994 o->total_pending_num -= cnt;
2995
2996 /* send a ramrod */
2997 WARN_ON(o->total_pending_num < 0);
2998 WARN_ON(cnt > o->max_cmd_len);
2999
3000 bnx2x_mcast_set_rdata_hdr_e2(bp, p, (u8)cnt);
3001
3002 /* Update a registry size if there are no more pending operations.
3003 *
3004 * We don't want to change the value of the registry size if there are
3005 * pending operations because we want it to always be equal to the
3006 * exact or the approximate number (see bnx2x_mcast_validate_e2()) of
3007 * set bins after the last requested operation in order to properly
3008 * evaluate the size of the next DEL/RESTORE operation.
3009 *
3010 * Note that we update the registry itself during command(s) handling
3011 * - see bnx2x_mcast_set_one_rule_e2(). That's because for 57712 we
3012 * aggregate multiple commands (ADD/DEL/RESTORE) into one ramrod but
3013 * with a limited amount of update commands (per MAC/bin) and we don't
3014 * know in this scope what the actual state of bins configuration is
3015 * going to be after this ramrod.
3016 */
3017 if (!o->total_pending_num)
3018 bnx2x_mcast_refresh_registry_e2(bp, o);
3019
Vladislav Zolotarov53e51e22011-07-19 01:45:02 +00003020 /*
3021 * If CLEAR_ONLY was requested - don't send a ramrod and clear
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003022 * RAMROD_PENDING status immediately.
3023 */
3024 if (test_bit(RAMROD_DRV_CLR_ONLY, &p->ramrod_flags)) {
3025 raw->clear_pending(raw);
3026 return 0;
3027 } else {
Vladislav Zolotarov53e51e22011-07-19 01:45:02 +00003028 /*
3029 * No need for an explicit memory barrier here as long we would
3030 * need to ensure the ordering of writing to the SPQ element
3031 * and updating of the SPQ producer which involves a memory
3032 * read and we will have to put a full memory barrier there
3033 * (inside bnx2x_sp_post()).
3034 */
3035
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003036 /* Send a ramrod */
3037 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_MULTICAST_RULES,
3038 raw->cid, U64_HI(raw->rdata_mapping),
3039 U64_LO(raw->rdata_mapping),
3040 ETH_CONNECTION_TYPE);
3041 if (rc)
3042 return rc;
3043
3044 /* Ramrod completion is pending */
3045 return 1;
3046 }
3047}
3048
3049static int bnx2x_mcast_validate_e1h(struct bnx2x *bp,
3050 struct bnx2x_mcast_ramrod_params *p,
3051 int cmd)
3052{
3053 /* Mark, that there is a work to do */
3054 if ((cmd == BNX2X_MCAST_CMD_DEL) || (cmd == BNX2X_MCAST_CMD_RESTORE))
3055 p->mcast_list_len = 1;
3056
3057 return 0;
3058}
3059
3060static void bnx2x_mcast_revert_e1h(struct bnx2x *bp,
3061 struct bnx2x_mcast_ramrod_params *p,
3062 int old_num_bins)
3063{
3064 /* Do nothing */
3065}
3066
3067#define BNX2X_57711_SET_MC_FILTER(filter, bit) \
3068do { \
3069 (filter)[(bit) >> 5] |= (1 << ((bit) & 0x1f)); \
3070} while (0)
3071
3072static inline void bnx2x_mcast_hdl_add_e1h(struct bnx2x *bp,
3073 struct bnx2x_mcast_obj *o,
3074 struct bnx2x_mcast_ramrod_params *p,
3075 u32 *mc_filter)
3076{
3077 struct bnx2x_mcast_list_elem *mlist_pos;
3078 int bit;
3079
3080 list_for_each_entry(mlist_pos, &p->mcast_list, link) {
3081 bit = bnx2x_mcast_bin_from_mac(mlist_pos->mac);
3082 BNX2X_57711_SET_MC_FILTER(mc_filter, bit);
3083
Joe Perches0f9dad12011-08-14 12:16:19 +00003084 DP(BNX2X_MSG_SP, "About to configure %pM mcast MAC, bin %d\n",
3085 mlist_pos->mac, bit);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003086
3087 /* bookkeeping... */
3088 BIT_VEC64_SET_BIT(o->registry.aprox_match.vec,
3089 bit);
3090 }
3091}
3092
3093static inline void bnx2x_mcast_hdl_restore_e1h(struct bnx2x *bp,
3094 struct bnx2x_mcast_obj *o, struct bnx2x_mcast_ramrod_params *p,
3095 u32 *mc_filter)
3096{
3097 int bit;
3098
3099 for (bit = bnx2x_mcast_get_next_bin(o, 0);
3100 bit >= 0;
3101 bit = bnx2x_mcast_get_next_bin(o, bit + 1)) {
3102 BNX2X_57711_SET_MC_FILTER(mc_filter, bit);
3103 DP(BNX2X_MSG_SP, "About to set bin %d\n", bit);
3104 }
3105}
3106
3107/* On 57711 we write the multicast MACs' aproximate match
3108 * table by directly into the TSTORM's internal RAM. So we don't
3109 * really need to handle any tricks to make it work.
3110 */
3111static int bnx2x_mcast_setup_e1h(struct bnx2x *bp,
3112 struct bnx2x_mcast_ramrod_params *p,
3113 int cmd)
3114{
3115 int i;
3116 struct bnx2x_mcast_obj *o = p->mcast_obj;
3117 struct bnx2x_raw_obj *r = &o->raw;
3118
3119 /* If CLEAR_ONLY has been requested - clear the registry
3120 * and clear a pending bit.
3121 */
3122 if (!test_bit(RAMROD_DRV_CLR_ONLY, &p->ramrod_flags)) {
3123 u32 mc_filter[MC_HASH_SIZE] = {0};
3124
3125 /* Set the multicast filter bits before writing it into
3126 * the internal memory.
3127 */
3128 switch (cmd) {
3129 case BNX2X_MCAST_CMD_ADD:
3130 bnx2x_mcast_hdl_add_e1h(bp, o, p, mc_filter);
3131 break;
3132
3133 case BNX2X_MCAST_CMD_DEL:
Joe Perches94f05b02011-08-14 12:16:20 +00003134 DP(BNX2X_MSG_SP,
3135 "Invalidating multicast MACs configuration\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003136
3137 /* clear the registry */
3138 memset(o->registry.aprox_match.vec, 0,
3139 sizeof(o->registry.aprox_match.vec));
3140 break;
3141
3142 case BNX2X_MCAST_CMD_RESTORE:
3143 bnx2x_mcast_hdl_restore_e1h(bp, o, p, mc_filter);
3144 break;
3145
3146 default:
3147 BNX2X_ERR("Unknown command: %d\n", cmd);
3148 return -EINVAL;
3149 }
3150
3151 /* Set the mcast filter in the internal memory */
3152 for (i = 0; i < MC_HASH_SIZE; i++)
3153 REG_WR(bp, MC_HASH_OFFSET(bp, i), mc_filter[i]);
3154 } else
3155 /* clear the registry */
3156 memset(o->registry.aprox_match.vec, 0,
3157 sizeof(o->registry.aprox_match.vec));
3158
3159 /* We are done */
3160 r->clear_pending(r);
3161
3162 return 0;
3163}
3164
3165static int bnx2x_mcast_validate_e1(struct bnx2x *bp,
3166 struct bnx2x_mcast_ramrod_params *p,
3167 int cmd)
3168{
3169 struct bnx2x_mcast_obj *o = p->mcast_obj;
3170 int reg_sz = o->get_registry_size(o);
3171
3172 switch (cmd) {
3173 /* DEL command deletes all currently configured MACs */
3174 case BNX2X_MCAST_CMD_DEL:
3175 o->set_registry_size(o, 0);
3176 /* Don't break */
3177
3178 /* RESTORE command will restore the entire multicast configuration */
3179 case BNX2X_MCAST_CMD_RESTORE:
3180 p->mcast_list_len = reg_sz;
3181 DP(BNX2X_MSG_SP, "Command %d, p->mcast_list_len=%d\n",
3182 cmd, p->mcast_list_len);
3183 break;
3184
3185 case BNX2X_MCAST_CMD_ADD:
3186 case BNX2X_MCAST_CMD_CONT:
3187 /* Multicast MACs on 57710 are configured as unicast MACs and
3188 * there is only a limited number of CAM entries for that
3189 * matter.
3190 */
3191 if (p->mcast_list_len > o->max_cmd_len) {
Merav Sicron51c1a582012-03-18 10:33:38 +00003192 BNX2X_ERR("Can't configure more than %d multicast MACs on 57710\n",
3193 o->max_cmd_len);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003194 return -EINVAL;
3195 }
3196 /* Every configured MAC should be cleared if DEL command is
3197 * called. Only the last ADD command is relevant as long as
3198 * every ADD commands overrides the previous configuration.
3199 */
3200 DP(BNX2X_MSG_SP, "p->mcast_list_len=%d\n", p->mcast_list_len);
3201 if (p->mcast_list_len > 0)
3202 o->set_registry_size(o, p->mcast_list_len);
3203
3204 break;
3205
3206 default:
3207 BNX2X_ERR("Unknown command: %d\n", cmd);
3208 return -EINVAL;
3209
3210 }
3211
3212 /* We want to ensure that commands are executed one by one for 57710.
3213 * Therefore each none-empty command will consume o->max_cmd_len.
3214 */
3215 if (p->mcast_list_len)
3216 o->total_pending_num += o->max_cmd_len;
3217
3218 return 0;
3219}
3220
3221static void bnx2x_mcast_revert_e1(struct bnx2x *bp,
3222 struct bnx2x_mcast_ramrod_params *p,
3223 int old_num_macs)
3224{
3225 struct bnx2x_mcast_obj *o = p->mcast_obj;
3226
3227 o->set_registry_size(o, old_num_macs);
3228
3229 /* If current command hasn't been handled yet and we are
3230 * here means that it's meant to be dropped and we have to
3231 * update the number of outstandling MACs accordingly.
3232 */
3233 if (p->mcast_list_len)
3234 o->total_pending_num -= o->max_cmd_len;
3235}
3236
3237static void bnx2x_mcast_set_one_rule_e1(struct bnx2x *bp,
3238 struct bnx2x_mcast_obj *o, int idx,
3239 union bnx2x_mcast_config_data *cfg_data,
3240 int cmd)
3241{
3242 struct bnx2x_raw_obj *r = &o->raw;
3243 struct mac_configuration_cmd *data =
3244 (struct mac_configuration_cmd *)(r->rdata);
3245
3246 /* copy mac */
3247 if ((cmd == BNX2X_MCAST_CMD_ADD) || (cmd == BNX2X_MCAST_CMD_RESTORE)) {
3248 bnx2x_set_fw_mac_addr(&data->config_table[idx].msb_mac_addr,
3249 &data->config_table[idx].middle_mac_addr,
3250 &data->config_table[idx].lsb_mac_addr,
3251 cfg_data->mac);
3252
3253 data->config_table[idx].vlan_id = 0;
3254 data->config_table[idx].pf_id = r->func_id;
3255 data->config_table[idx].clients_bit_vector =
3256 cpu_to_le32(1 << r->cl_id);
3257
3258 SET_FLAG(data->config_table[idx].flags,
3259 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
3260 T_ETH_MAC_COMMAND_SET);
3261 }
3262}
3263
3264/**
3265 * bnx2x_mcast_set_rdata_hdr_e1 - set header values in mac_configuration_cmd
3266 *
3267 * @bp: device handle
3268 * @p:
3269 * @len: number of rules to handle
3270 */
3271static inline void bnx2x_mcast_set_rdata_hdr_e1(struct bnx2x *bp,
3272 struct bnx2x_mcast_ramrod_params *p,
3273 u8 len)
3274{
3275 struct bnx2x_raw_obj *r = &p->mcast_obj->raw;
3276 struct mac_configuration_cmd *data =
3277 (struct mac_configuration_cmd *)(r->rdata);
3278
3279 u8 offset = (CHIP_REV_IS_SLOW(bp) ?
3280 BNX2X_MAX_EMUL_MULTI*(1 + r->func_id) :
3281 BNX2X_MAX_MULTICAST*(1 + r->func_id));
3282
3283 data->hdr.offset = offset;
3284 data->hdr.client_id = 0xff;
3285 data->hdr.echo = ((r->cid & BNX2X_SWCID_MASK) |
3286 (BNX2X_FILTER_MCAST_PENDING << BNX2X_SWCID_SHIFT));
3287 data->hdr.length = len;
3288}
3289
3290/**
3291 * bnx2x_mcast_handle_restore_cmd_e1 - restore command for 57710
3292 *
3293 * @bp: device handle
3294 * @o:
3295 * @start_idx: index in the registry to start from
3296 * @rdata_idx: index in the ramrod data to start from
3297 *
3298 * restore command for 57710 is like all other commands - always a stand alone
3299 * command - start_idx and rdata_idx will always be 0. This function will always
3300 * succeed.
3301 * returns -1 to comply with 57712 variant.
3302 */
3303static inline int bnx2x_mcast_handle_restore_cmd_e1(
3304 struct bnx2x *bp, struct bnx2x_mcast_obj *o , int start_idx,
3305 int *rdata_idx)
3306{
3307 struct bnx2x_mcast_mac_elem *elem;
3308 int i = 0;
3309 union bnx2x_mcast_config_data cfg_data = {0};
3310
3311 /* go through the registry and configure the MACs from it. */
3312 list_for_each_entry(elem, &o->registry.exact_match.macs, link) {
3313 cfg_data.mac = &elem->mac[0];
3314 o->set_one_rule(bp, o, i, &cfg_data, BNX2X_MCAST_CMD_RESTORE);
3315
3316 i++;
3317
Joe Perches0f9dad12011-08-14 12:16:19 +00003318 DP(BNX2X_MSG_SP, "About to configure %pM mcast MAC\n",
3319 cfg_data.mac);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003320 }
3321
3322 *rdata_idx = i;
3323
3324 return -1;
3325}
3326
3327
3328static inline int bnx2x_mcast_handle_pending_cmds_e1(
3329 struct bnx2x *bp, struct bnx2x_mcast_ramrod_params *p)
3330{
3331 struct bnx2x_pending_mcast_cmd *cmd_pos;
3332 struct bnx2x_mcast_mac_elem *pmac_pos;
3333 struct bnx2x_mcast_obj *o = p->mcast_obj;
3334 union bnx2x_mcast_config_data cfg_data = {0};
3335 int cnt = 0;
3336
3337
3338 /* If nothing to be done - return */
3339 if (list_empty(&o->pending_cmds_head))
3340 return 0;
3341
3342 /* Handle the first command */
3343 cmd_pos = list_first_entry(&o->pending_cmds_head,
3344 struct bnx2x_pending_mcast_cmd, link);
3345
3346 switch (cmd_pos->type) {
3347 case BNX2X_MCAST_CMD_ADD:
3348 list_for_each_entry(pmac_pos, &cmd_pos->data.macs_head, link) {
3349 cfg_data.mac = &pmac_pos->mac[0];
3350 o->set_one_rule(bp, o, cnt, &cfg_data, cmd_pos->type);
3351
3352 cnt++;
3353
Joe Perches0f9dad12011-08-14 12:16:19 +00003354 DP(BNX2X_MSG_SP, "About to configure %pM mcast MAC\n",
3355 pmac_pos->mac);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003356 }
3357 break;
3358
3359 case BNX2X_MCAST_CMD_DEL:
3360 cnt = cmd_pos->data.macs_num;
3361 DP(BNX2X_MSG_SP, "About to delete %d multicast MACs\n", cnt);
3362 break;
3363
3364 case BNX2X_MCAST_CMD_RESTORE:
3365 o->hdl_restore(bp, o, 0, &cnt);
3366 break;
3367
3368 default:
3369 BNX2X_ERR("Unknown command: %d\n", cmd_pos->type);
3370 return -EINVAL;
3371 }
3372
3373 list_del(&cmd_pos->link);
3374 kfree(cmd_pos);
3375
3376 return cnt;
3377}
3378
3379/**
3380 * bnx2x_get_fw_mac_addr - revert the bnx2x_set_fw_mac_addr().
3381 *
3382 * @fw_hi:
3383 * @fw_mid:
3384 * @fw_lo:
3385 * @mac:
3386 */
3387static inline void bnx2x_get_fw_mac_addr(__le16 *fw_hi, __le16 *fw_mid,
3388 __le16 *fw_lo, u8 *mac)
3389{
3390 mac[1] = ((u8 *)fw_hi)[0];
3391 mac[0] = ((u8 *)fw_hi)[1];
3392 mac[3] = ((u8 *)fw_mid)[0];
3393 mac[2] = ((u8 *)fw_mid)[1];
3394 mac[5] = ((u8 *)fw_lo)[0];
3395 mac[4] = ((u8 *)fw_lo)[1];
3396}
3397
3398/**
3399 * bnx2x_mcast_refresh_registry_e1 -
3400 *
3401 * @bp: device handle
3402 * @cnt:
3403 *
3404 * Check the ramrod data first entry flag to see if it's a DELETE or ADD command
3405 * and update the registry correspondingly: if ADD - allocate a memory and add
3406 * the entries to the registry (list), if DELETE - clear the registry and free
3407 * the memory.
3408 */
3409static inline int bnx2x_mcast_refresh_registry_e1(struct bnx2x *bp,
3410 struct bnx2x_mcast_obj *o)
3411{
3412 struct bnx2x_raw_obj *raw = &o->raw;
3413 struct bnx2x_mcast_mac_elem *elem;
3414 struct mac_configuration_cmd *data =
3415 (struct mac_configuration_cmd *)(raw->rdata);
3416
3417 /* If first entry contains a SET bit - the command was ADD,
3418 * otherwise - DEL_ALL
3419 */
3420 if (GET_FLAG(data->config_table[0].flags,
3421 MAC_CONFIGURATION_ENTRY_ACTION_TYPE)) {
3422 int i, len = data->hdr.length;
3423
3424 /* Break if it was a RESTORE command */
3425 if (!list_empty(&o->registry.exact_match.macs))
3426 return 0;
3427
Thomas Meyer01e23742011-11-29 11:08:00 +00003428 elem = kcalloc(len, sizeof(*elem), GFP_ATOMIC);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003429 if (!elem) {
3430 BNX2X_ERR("Failed to allocate registry memory\n");
3431 return -ENOMEM;
3432 }
3433
3434 for (i = 0; i < len; i++, elem++) {
3435 bnx2x_get_fw_mac_addr(
3436 &data->config_table[i].msb_mac_addr,
3437 &data->config_table[i].middle_mac_addr,
3438 &data->config_table[i].lsb_mac_addr,
3439 elem->mac);
Joe Perches0f9dad12011-08-14 12:16:19 +00003440 DP(BNX2X_MSG_SP, "Adding registry entry for [%pM]\n",
Merav Sicron51c1a582012-03-18 10:33:38 +00003441 elem->mac);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003442 list_add_tail(&elem->link,
3443 &o->registry.exact_match.macs);
3444 }
3445 } else {
3446 elem = list_first_entry(&o->registry.exact_match.macs,
3447 struct bnx2x_mcast_mac_elem, link);
3448 DP(BNX2X_MSG_SP, "Deleting a registry\n");
3449 kfree(elem);
3450 INIT_LIST_HEAD(&o->registry.exact_match.macs);
3451 }
3452
3453 return 0;
3454}
3455
3456static int bnx2x_mcast_setup_e1(struct bnx2x *bp,
3457 struct bnx2x_mcast_ramrod_params *p,
3458 int cmd)
3459{
3460 struct bnx2x_mcast_obj *o = p->mcast_obj;
3461 struct bnx2x_raw_obj *raw = &o->raw;
3462 struct mac_configuration_cmd *data =
3463 (struct mac_configuration_cmd *)(raw->rdata);
3464 int cnt = 0, i, rc;
3465
3466 /* Reset the ramrod data buffer */
3467 memset(data, 0, sizeof(*data));
3468
3469 /* First set all entries as invalid */
3470 for (i = 0; i < o->max_cmd_len ; i++)
3471 SET_FLAG(data->config_table[i].flags,
3472 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
3473 T_ETH_MAC_COMMAND_INVALIDATE);
3474
3475 /* Handle pending commands first */
3476 cnt = bnx2x_mcast_handle_pending_cmds_e1(bp, p);
3477
3478 /* If there are no more pending commands - clear SCHEDULED state */
3479 if (list_empty(&o->pending_cmds_head))
3480 o->clear_sched(o);
3481
3482 /* The below may be true iff there were no pending commands */
3483 if (!cnt)
3484 cnt = bnx2x_mcast_handle_current_cmd(bp, p, cmd, 0);
3485
3486 /* For 57710 every command has o->max_cmd_len length to ensure that
3487 * commands are done one at a time.
3488 */
3489 o->total_pending_num -= o->max_cmd_len;
3490
3491 /* send a ramrod */
3492
3493 WARN_ON(cnt > o->max_cmd_len);
3494
3495 /* Set ramrod header (in particular, a number of entries to update) */
3496 bnx2x_mcast_set_rdata_hdr_e1(bp, p, (u8)cnt);
3497
3498 /* update a registry: we need the registry contents to be always up
3499 * to date in order to be able to execute a RESTORE opcode. Here
3500 * we use the fact that for 57710 we sent one command at a time
3501 * hence we may take the registry update out of the command handling
3502 * and do it in a simpler way here.
3503 */
3504 rc = bnx2x_mcast_refresh_registry_e1(bp, o);
3505 if (rc)
3506 return rc;
3507
Vladislav Zolotarov53e51e22011-07-19 01:45:02 +00003508 /*
3509 * If CLEAR_ONLY was requested - don't send a ramrod and clear
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003510 * RAMROD_PENDING status immediately.
3511 */
3512 if (test_bit(RAMROD_DRV_CLR_ONLY, &p->ramrod_flags)) {
3513 raw->clear_pending(raw);
3514 return 0;
3515 } else {
Vladislav Zolotarov53e51e22011-07-19 01:45:02 +00003516 /*
3517 * No need for an explicit memory barrier here as long we would
3518 * need to ensure the ordering of writing to the SPQ element
3519 * and updating of the SPQ producer which involves a memory
3520 * read and we will have to put a full memory barrier there
3521 * (inside bnx2x_sp_post()).
3522 */
3523
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003524 /* Send a ramrod */
3525 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, raw->cid,
3526 U64_HI(raw->rdata_mapping),
3527 U64_LO(raw->rdata_mapping),
3528 ETH_CONNECTION_TYPE);
3529 if (rc)
3530 return rc;
3531
3532 /* Ramrod completion is pending */
3533 return 1;
3534 }
3535
3536}
3537
3538static int bnx2x_mcast_get_registry_size_exact(struct bnx2x_mcast_obj *o)
3539{
3540 return o->registry.exact_match.num_macs_set;
3541}
3542
3543static int bnx2x_mcast_get_registry_size_aprox(struct bnx2x_mcast_obj *o)
3544{
3545 return o->registry.aprox_match.num_bins_set;
3546}
3547
3548static void bnx2x_mcast_set_registry_size_exact(struct bnx2x_mcast_obj *o,
3549 int n)
3550{
3551 o->registry.exact_match.num_macs_set = n;
3552}
3553
3554static void bnx2x_mcast_set_registry_size_aprox(struct bnx2x_mcast_obj *o,
3555 int n)
3556{
3557 o->registry.aprox_match.num_bins_set = n;
3558}
3559
3560int bnx2x_config_mcast(struct bnx2x *bp,
3561 struct bnx2x_mcast_ramrod_params *p,
3562 int cmd)
3563{
3564 struct bnx2x_mcast_obj *o = p->mcast_obj;
3565 struct bnx2x_raw_obj *r = &o->raw;
3566 int rc = 0, old_reg_size;
3567
3568 /* This is needed to recover number of currently configured mcast macs
3569 * in case of failure.
3570 */
3571 old_reg_size = o->get_registry_size(o);
3572
3573 /* Do some calculations and checks */
3574 rc = o->validate(bp, p, cmd);
3575 if (rc)
3576 return rc;
3577
3578 /* Return if there is no work to do */
3579 if ((!p->mcast_list_len) && (!o->check_sched(o)))
3580 return 0;
3581
Merav Sicron51c1a582012-03-18 10:33:38 +00003582 DP(BNX2X_MSG_SP, "o->total_pending_num=%d p->mcast_list_len=%d o->max_cmd_len=%d\n",
3583 o->total_pending_num, p->mcast_list_len, o->max_cmd_len);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003584
3585 /* Enqueue the current command to the pending list if we can't complete
3586 * it in the current iteration
3587 */
3588 if (r->check_pending(r) ||
3589 ((o->max_cmd_len > 0) && (o->total_pending_num > o->max_cmd_len))) {
3590 rc = o->enqueue_cmd(bp, p->mcast_obj, p, cmd);
3591 if (rc < 0)
3592 goto error_exit1;
3593
3594 /* As long as the current command is in a command list we
3595 * don't need to handle it separately.
3596 */
3597 p->mcast_list_len = 0;
3598 }
3599
3600 if (!r->check_pending(r)) {
3601
3602 /* Set 'pending' state */
3603 r->set_pending(r);
3604
3605 /* Configure the new classification in the chip */
3606 rc = o->config_mcast(bp, p, cmd);
3607 if (rc < 0)
3608 goto error_exit2;
3609
3610 /* Wait for a ramrod completion if was requested */
3611 if (test_bit(RAMROD_COMP_WAIT, &p->ramrod_flags))
3612 rc = o->wait_comp(bp, o);
3613 }
3614
3615 return rc;
3616
3617error_exit2:
3618 r->clear_pending(r);
3619
3620error_exit1:
3621 o->revert(bp, p, old_reg_size);
3622
3623 return rc;
3624}
3625
3626static void bnx2x_mcast_clear_sched(struct bnx2x_mcast_obj *o)
3627{
3628 smp_mb__before_clear_bit();
3629 clear_bit(o->sched_state, o->raw.pstate);
3630 smp_mb__after_clear_bit();
3631}
3632
3633static void bnx2x_mcast_set_sched(struct bnx2x_mcast_obj *o)
3634{
3635 smp_mb__before_clear_bit();
3636 set_bit(o->sched_state, o->raw.pstate);
3637 smp_mb__after_clear_bit();
3638}
3639
3640static bool bnx2x_mcast_check_sched(struct bnx2x_mcast_obj *o)
3641{
3642 return !!test_bit(o->sched_state, o->raw.pstate);
3643}
3644
3645static bool bnx2x_mcast_check_pending(struct bnx2x_mcast_obj *o)
3646{
3647 return o->raw.check_pending(&o->raw) || o->check_sched(o);
3648}
3649
3650void bnx2x_init_mcast_obj(struct bnx2x *bp,
3651 struct bnx2x_mcast_obj *mcast_obj,
3652 u8 mcast_cl_id, u32 mcast_cid, u8 func_id,
3653 u8 engine_id, void *rdata, dma_addr_t rdata_mapping,
3654 int state, unsigned long *pstate, bnx2x_obj_type type)
3655{
3656 memset(mcast_obj, 0, sizeof(*mcast_obj));
3657
3658 bnx2x_init_raw_obj(&mcast_obj->raw, mcast_cl_id, mcast_cid, func_id,
3659 rdata, rdata_mapping, state, pstate, type);
3660
3661 mcast_obj->engine_id = engine_id;
3662
3663 INIT_LIST_HEAD(&mcast_obj->pending_cmds_head);
3664
3665 mcast_obj->sched_state = BNX2X_FILTER_MCAST_SCHED;
3666 mcast_obj->check_sched = bnx2x_mcast_check_sched;
3667 mcast_obj->set_sched = bnx2x_mcast_set_sched;
3668 mcast_obj->clear_sched = bnx2x_mcast_clear_sched;
3669
3670 if (CHIP_IS_E1(bp)) {
3671 mcast_obj->config_mcast = bnx2x_mcast_setup_e1;
3672 mcast_obj->enqueue_cmd = bnx2x_mcast_enqueue_cmd;
3673 mcast_obj->hdl_restore =
3674 bnx2x_mcast_handle_restore_cmd_e1;
3675 mcast_obj->check_pending = bnx2x_mcast_check_pending;
3676
3677 if (CHIP_REV_IS_SLOW(bp))
3678 mcast_obj->max_cmd_len = BNX2X_MAX_EMUL_MULTI;
3679 else
3680 mcast_obj->max_cmd_len = BNX2X_MAX_MULTICAST;
3681
3682 mcast_obj->wait_comp = bnx2x_mcast_wait;
3683 mcast_obj->set_one_rule = bnx2x_mcast_set_one_rule_e1;
3684 mcast_obj->validate = bnx2x_mcast_validate_e1;
3685 mcast_obj->revert = bnx2x_mcast_revert_e1;
3686 mcast_obj->get_registry_size =
3687 bnx2x_mcast_get_registry_size_exact;
3688 mcast_obj->set_registry_size =
3689 bnx2x_mcast_set_registry_size_exact;
3690
3691 /* 57710 is the only chip that uses the exact match for mcast
3692 * at the moment.
3693 */
3694 INIT_LIST_HEAD(&mcast_obj->registry.exact_match.macs);
3695
3696 } else if (CHIP_IS_E1H(bp)) {
3697 mcast_obj->config_mcast = bnx2x_mcast_setup_e1h;
3698 mcast_obj->enqueue_cmd = NULL;
3699 mcast_obj->hdl_restore = NULL;
3700 mcast_obj->check_pending = bnx2x_mcast_check_pending;
3701
3702 /* 57711 doesn't send a ramrod, so it has unlimited credit
3703 * for one command.
3704 */
3705 mcast_obj->max_cmd_len = -1;
3706 mcast_obj->wait_comp = bnx2x_mcast_wait;
3707 mcast_obj->set_one_rule = NULL;
3708 mcast_obj->validate = bnx2x_mcast_validate_e1h;
3709 mcast_obj->revert = bnx2x_mcast_revert_e1h;
3710 mcast_obj->get_registry_size =
3711 bnx2x_mcast_get_registry_size_aprox;
3712 mcast_obj->set_registry_size =
3713 bnx2x_mcast_set_registry_size_aprox;
3714 } else {
3715 mcast_obj->config_mcast = bnx2x_mcast_setup_e2;
3716 mcast_obj->enqueue_cmd = bnx2x_mcast_enqueue_cmd;
3717 mcast_obj->hdl_restore =
3718 bnx2x_mcast_handle_restore_cmd_e2;
3719 mcast_obj->check_pending = bnx2x_mcast_check_pending;
3720 /* TODO: There should be a proper HSI define for this number!!!
3721 */
3722 mcast_obj->max_cmd_len = 16;
3723 mcast_obj->wait_comp = bnx2x_mcast_wait;
3724 mcast_obj->set_one_rule = bnx2x_mcast_set_one_rule_e2;
3725 mcast_obj->validate = bnx2x_mcast_validate_e2;
3726 mcast_obj->revert = bnx2x_mcast_revert_e2;
3727 mcast_obj->get_registry_size =
3728 bnx2x_mcast_get_registry_size_aprox;
3729 mcast_obj->set_registry_size =
3730 bnx2x_mcast_set_registry_size_aprox;
3731 }
3732}
3733
3734/*************************** Credit handling **********************************/
3735
3736/**
3737 * atomic_add_ifless - add if the result is less than a given value.
3738 *
3739 * @v: pointer of type atomic_t
3740 * @a: the amount to add to v...
3741 * @u: ...if (v + a) is less than u.
3742 *
3743 * returns true if (v + a) was less than u, and false otherwise.
3744 *
3745 */
3746static inline bool __atomic_add_ifless(atomic_t *v, int a, int u)
3747{
3748 int c, old;
3749
3750 c = atomic_read(v);
3751 for (;;) {
3752 if (unlikely(c + a >= u))
3753 return false;
3754
3755 old = atomic_cmpxchg((v), c, c + a);
3756 if (likely(old == c))
3757 break;
3758 c = old;
3759 }
3760
3761 return true;
3762}
3763
3764/**
3765 * atomic_dec_ifmoe - dec if the result is more or equal than a given value.
3766 *
3767 * @v: pointer of type atomic_t
3768 * @a: the amount to dec from v...
3769 * @u: ...if (v - a) is more or equal than u.
3770 *
3771 * returns true if (v - a) was more or equal than u, and false
3772 * otherwise.
3773 */
3774static inline bool __atomic_dec_ifmoe(atomic_t *v, int a, int u)
3775{
3776 int c, old;
3777
3778 c = atomic_read(v);
3779 for (;;) {
3780 if (unlikely(c - a < u))
3781 return false;
3782
3783 old = atomic_cmpxchg((v), c, c - a);
3784 if (likely(old == c))
3785 break;
3786 c = old;
3787 }
3788
3789 return true;
3790}
3791
3792static bool bnx2x_credit_pool_get(struct bnx2x_credit_pool_obj *o, int cnt)
3793{
3794 bool rc;
3795
3796 smp_mb();
3797 rc = __atomic_dec_ifmoe(&o->credit, cnt, 0);
3798 smp_mb();
3799
3800 return rc;
3801}
3802
3803static bool bnx2x_credit_pool_put(struct bnx2x_credit_pool_obj *o, int cnt)
3804{
3805 bool rc;
3806
3807 smp_mb();
3808
3809 /* Don't let to refill if credit + cnt > pool_sz */
3810 rc = __atomic_add_ifless(&o->credit, cnt, o->pool_sz + 1);
3811
3812 smp_mb();
3813
3814 return rc;
3815}
3816
3817static int bnx2x_credit_pool_check(struct bnx2x_credit_pool_obj *o)
3818{
3819 int cur_credit;
3820
3821 smp_mb();
3822 cur_credit = atomic_read(&o->credit);
3823
3824 return cur_credit;
3825}
3826
3827static bool bnx2x_credit_pool_always_true(struct bnx2x_credit_pool_obj *o,
3828 int cnt)
3829{
3830 return true;
3831}
3832
3833
3834static bool bnx2x_credit_pool_get_entry(
3835 struct bnx2x_credit_pool_obj *o,
3836 int *offset)
3837{
3838 int idx, vec, i;
3839
3840 *offset = -1;
3841
3842 /* Find "internal cam-offset" then add to base for this object... */
3843 for (vec = 0; vec < BNX2X_POOL_VEC_SIZE; vec++) {
3844
3845 /* Skip the current vector if there are no free entries in it */
3846 if (!o->pool_mirror[vec])
3847 continue;
3848
3849 /* If we've got here we are going to find a free entry */
3850 for (idx = vec * BNX2X_POOL_VEC_SIZE, i = 0;
3851 i < BIT_VEC64_ELEM_SZ; idx++, i++)
3852
3853 if (BIT_VEC64_TEST_BIT(o->pool_mirror, idx)) {
3854 /* Got one!! */
3855 BIT_VEC64_CLEAR_BIT(o->pool_mirror, idx);
3856 *offset = o->base_pool_offset + idx;
3857 return true;
3858 }
3859 }
3860
3861 return false;
3862}
3863
3864static bool bnx2x_credit_pool_put_entry(
3865 struct bnx2x_credit_pool_obj *o,
3866 int offset)
3867{
3868 if (offset < o->base_pool_offset)
3869 return false;
3870
3871 offset -= o->base_pool_offset;
3872
3873 if (offset >= o->pool_sz)
3874 return false;
3875
3876 /* Return the entry to the pool */
3877 BIT_VEC64_SET_BIT(o->pool_mirror, offset);
3878
3879 return true;
3880}
3881
3882static bool bnx2x_credit_pool_put_entry_always_true(
3883 struct bnx2x_credit_pool_obj *o,
3884 int offset)
3885{
3886 return true;
3887}
3888
3889static bool bnx2x_credit_pool_get_entry_always_true(
3890 struct bnx2x_credit_pool_obj *o,
3891 int *offset)
3892{
3893 *offset = -1;
3894 return true;
3895}
3896/**
3897 * bnx2x_init_credit_pool - initialize credit pool internals.
3898 *
3899 * @p:
3900 * @base: Base entry in the CAM to use.
3901 * @credit: pool size.
3902 *
3903 * If base is negative no CAM entries handling will be performed.
3904 * If credit is negative pool operations will always succeed (unlimited pool).
3905 *
3906 */
3907static inline void bnx2x_init_credit_pool(struct bnx2x_credit_pool_obj *p,
3908 int base, int credit)
3909{
3910 /* Zero the object first */
3911 memset(p, 0, sizeof(*p));
3912
3913 /* Set the table to all 1s */
3914 memset(&p->pool_mirror, 0xff, sizeof(p->pool_mirror));
3915
3916 /* Init a pool as full */
3917 atomic_set(&p->credit, credit);
3918
3919 /* The total poll size */
3920 p->pool_sz = credit;
3921
3922 p->base_pool_offset = base;
3923
3924 /* Commit the change */
3925 smp_mb();
3926
3927 p->check = bnx2x_credit_pool_check;
3928
3929 /* if pool credit is negative - disable the checks */
3930 if (credit >= 0) {
3931 p->put = bnx2x_credit_pool_put;
3932 p->get = bnx2x_credit_pool_get;
3933 p->put_entry = bnx2x_credit_pool_put_entry;
3934 p->get_entry = bnx2x_credit_pool_get_entry;
3935 } else {
3936 p->put = bnx2x_credit_pool_always_true;
3937 p->get = bnx2x_credit_pool_always_true;
3938 p->put_entry = bnx2x_credit_pool_put_entry_always_true;
3939 p->get_entry = bnx2x_credit_pool_get_entry_always_true;
3940 }
3941
3942 /* If base is negative - disable entries handling */
3943 if (base < 0) {
3944 p->put_entry = bnx2x_credit_pool_put_entry_always_true;
3945 p->get_entry = bnx2x_credit_pool_get_entry_always_true;
3946 }
3947}
3948
3949void bnx2x_init_mac_credit_pool(struct bnx2x *bp,
3950 struct bnx2x_credit_pool_obj *p, u8 func_id,
3951 u8 func_num)
3952{
3953/* TODO: this will be defined in consts as well... */
3954#define BNX2X_CAM_SIZE_EMUL 5
3955
3956 int cam_sz;
3957
3958 if (CHIP_IS_E1(bp)) {
3959 /* In E1, Multicast is saved in cam... */
3960 if (!CHIP_REV_IS_SLOW(bp))
3961 cam_sz = (MAX_MAC_CREDIT_E1 / 2) - BNX2X_MAX_MULTICAST;
3962 else
3963 cam_sz = BNX2X_CAM_SIZE_EMUL - BNX2X_MAX_EMUL_MULTI;
3964
3965 bnx2x_init_credit_pool(p, func_id * cam_sz, cam_sz);
3966
3967 } else if (CHIP_IS_E1H(bp)) {
3968 /* CAM credit is equaly divided between all active functions
3969 * on the PORT!.
3970 */
3971 if ((func_num > 0)) {
3972 if (!CHIP_REV_IS_SLOW(bp))
3973 cam_sz = (MAX_MAC_CREDIT_E1H / (2*func_num));
3974 else
3975 cam_sz = BNX2X_CAM_SIZE_EMUL;
3976 bnx2x_init_credit_pool(p, func_id * cam_sz, cam_sz);
3977 } else {
3978 /* this should never happen! Block MAC operations. */
3979 bnx2x_init_credit_pool(p, 0, 0);
3980 }
3981
3982 } else {
3983
3984 /*
3985 * CAM credit is equaly divided between all active functions
3986 * on the PATH.
3987 */
3988 if ((func_num > 0)) {
3989 if (!CHIP_REV_IS_SLOW(bp))
3990 cam_sz = (MAX_MAC_CREDIT_E2 / func_num);
3991 else
3992 cam_sz = BNX2X_CAM_SIZE_EMUL;
3993
3994 /*
3995 * No need for CAM entries handling for 57712 and
3996 * newer.
3997 */
3998 bnx2x_init_credit_pool(p, -1, cam_sz);
3999 } else {
4000 /* this should never happen! Block MAC operations. */
4001 bnx2x_init_credit_pool(p, 0, 0);
4002 }
4003
4004 }
4005}
4006
4007void bnx2x_init_vlan_credit_pool(struct bnx2x *bp,
4008 struct bnx2x_credit_pool_obj *p,
4009 u8 func_id,
4010 u8 func_num)
4011{
4012 if (CHIP_IS_E1x(bp)) {
4013 /*
4014 * There is no VLAN credit in HW on 57710 and 57711 only
4015 * MAC / MAC-VLAN can be set
4016 */
4017 bnx2x_init_credit_pool(p, 0, -1);
4018 } else {
4019 /*
4020 * CAM credit is equaly divided between all active functions
4021 * on the PATH.
4022 */
4023 if (func_num > 0) {
4024 int credit = MAX_VLAN_CREDIT_E2 / func_num;
4025 bnx2x_init_credit_pool(p, func_id * credit, credit);
4026 } else
4027 /* this should never happen! Block VLAN operations. */
4028 bnx2x_init_credit_pool(p, 0, 0);
4029 }
4030}
4031
4032/****************** RSS Configuration ******************/
4033/**
4034 * bnx2x_debug_print_ind_table - prints the indirection table configuration.
4035 *
4036 * @bp: driver hanlde
4037 * @p: pointer to rss configuration
4038 *
4039 * Prints it when NETIF_MSG_IFUP debug level is configured.
4040 */
4041static inline void bnx2x_debug_print_ind_table(struct bnx2x *bp,
4042 struct bnx2x_config_rss_params *p)
4043{
4044 int i;
4045
4046 DP(BNX2X_MSG_SP, "Setting indirection table to:\n");
4047 DP(BNX2X_MSG_SP, "0x0000: ");
4048 for (i = 0; i < T_ETH_INDIRECTION_TABLE_SIZE; i++) {
4049 DP_CONT(BNX2X_MSG_SP, "0x%02x ", p->ind_table[i]);
4050
4051 /* Print 4 bytes in a line */
4052 if ((i + 1 < T_ETH_INDIRECTION_TABLE_SIZE) &&
4053 (((i + 1) & 0x3) == 0)) {
4054 DP_CONT(BNX2X_MSG_SP, "\n");
4055 DP(BNX2X_MSG_SP, "0x%04x: ", i + 1);
4056 }
4057 }
4058
4059 DP_CONT(BNX2X_MSG_SP, "\n");
4060}
4061
4062/**
4063 * bnx2x_setup_rss - configure RSS
4064 *
4065 * @bp: device handle
4066 * @p: rss configuration
4067 *
4068 * sends on UPDATE ramrod for that matter.
4069 */
4070static int bnx2x_setup_rss(struct bnx2x *bp,
4071 struct bnx2x_config_rss_params *p)
4072{
4073 struct bnx2x_rss_config_obj *o = p->rss_obj;
4074 struct bnx2x_raw_obj *r = &o->raw;
4075 struct eth_rss_update_ramrod_data *data =
4076 (struct eth_rss_update_ramrod_data *)(r->rdata);
4077 u8 rss_mode = 0;
4078 int rc;
4079
4080 memset(data, 0, sizeof(*data));
4081
4082 DP(BNX2X_MSG_SP, "Configuring RSS\n");
4083
4084 /* Set an echo field */
4085 data->echo = (r->cid & BNX2X_SWCID_MASK) |
4086 (r->state << BNX2X_SWCID_SHIFT);
4087
4088 /* RSS mode */
4089 if (test_bit(BNX2X_RSS_MODE_DISABLED, &p->rss_flags))
4090 rss_mode = ETH_RSS_MODE_DISABLED;
4091 else if (test_bit(BNX2X_RSS_MODE_REGULAR, &p->rss_flags))
4092 rss_mode = ETH_RSS_MODE_REGULAR;
4093 else if (test_bit(BNX2X_RSS_MODE_VLAN_PRI, &p->rss_flags))
4094 rss_mode = ETH_RSS_MODE_VLAN_PRI;
4095 else if (test_bit(BNX2X_RSS_MODE_E1HOV_PRI, &p->rss_flags))
4096 rss_mode = ETH_RSS_MODE_E1HOV_PRI;
4097 else if (test_bit(BNX2X_RSS_MODE_IP_DSCP, &p->rss_flags))
4098 rss_mode = ETH_RSS_MODE_IP_DSCP;
4099
4100 data->rss_mode = rss_mode;
4101
4102 DP(BNX2X_MSG_SP, "rss_mode=%d\n", rss_mode);
4103
4104 /* RSS capabilities */
4105 if (test_bit(BNX2X_RSS_IPV4, &p->rss_flags))
4106 data->capabilities |=
4107 ETH_RSS_UPDATE_RAMROD_DATA_IPV4_CAPABILITY;
4108
4109 if (test_bit(BNX2X_RSS_IPV4_TCP, &p->rss_flags))
4110 data->capabilities |=
4111 ETH_RSS_UPDATE_RAMROD_DATA_IPV4_TCP_CAPABILITY;
4112
4113 if (test_bit(BNX2X_RSS_IPV6, &p->rss_flags))
4114 data->capabilities |=
4115 ETH_RSS_UPDATE_RAMROD_DATA_IPV6_CAPABILITY;
4116
4117 if (test_bit(BNX2X_RSS_IPV6_TCP, &p->rss_flags))
4118 data->capabilities |=
4119 ETH_RSS_UPDATE_RAMROD_DATA_IPV6_TCP_CAPABILITY;
4120
4121 /* Hashing mask */
4122 data->rss_result_mask = p->rss_result_mask;
4123
4124 /* RSS engine ID */
4125 data->rss_engine_id = o->engine_id;
4126
4127 DP(BNX2X_MSG_SP, "rss_engine_id=%d\n", data->rss_engine_id);
4128
4129 /* Indirection table */
4130 memcpy(data->indirection_table, p->ind_table,
4131 T_ETH_INDIRECTION_TABLE_SIZE);
4132
4133 /* Remember the last configuration */
4134 memcpy(o->ind_table, p->ind_table, T_ETH_INDIRECTION_TABLE_SIZE);
4135
4136 /* Print the indirection table */
4137 if (netif_msg_ifup(bp))
4138 bnx2x_debug_print_ind_table(bp, p);
4139
4140 /* RSS keys */
4141 if (test_bit(BNX2X_RSS_SET_SRCH, &p->rss_flags)) {
4142 memcpy(&data->rss_key[0], &p->rss_key[0],
4143 sizeof(data->rss_key));
4144 data->capabilities |= ETH_RSS_UPDATE_RAMROD_DATA_UPDATE_RSS_KEY;
4145 }
4146
Vladislav Zolotarov53e51e22011-07-19 01:45:02 +00004147 /*
4148 * No need for an explicit memory barrier here as long we would
4149 * need to ensure the ordering of writing to the SPQ element
4150 * and updating of the SPQ producer which involves a memory
4151 * read and we will have to put a full memory barrier there
4152 * (inside bnx2x_sp_post()).
4153 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004154
4155 /* Send a ramrod */
4156 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_RSS_UPDATE, r->cid,
4157 U64_HI(r->rdata_mapping),
4158 U64_LO(r->rdata_mapping),
4159 ETH_CONNECTION_TYPE);
4160
4161 if (rc < 0)
4162 return rc;
4163
4164 return 1;
4165}
4166
4167void bnx2x_get_rss_ind_table(struct bnx2x_rss_config_obj *rss_obj,
4168 u8 *ind_table)
4169{
4170 memcpy(ind_table, rss_obj->ind_table, sizeof(rss_obj->ind_table));
4171}
4172
4173int bnx2x_config_rss(struct bnx2x *bp,
4174 struct bnx2x_config_rss_params *p)
4175{
4176 int rc;
4177 struct bnx2x_rss_config_obj *o = p->rss_obj;
4178 struct bnx2x_raw_obj *r = &o->raw;
4179
4180 /* Do nothing if only driver cleanup was requested */
4181 if (test_bit(RAMROD_DRV_CLR_ONLY, &p->ramrod_flags))
4182 return 0;
4183
4184 r->set_pending(r);
4185
4186 rc = o->config_rss(bp, p);
4187 if (rc < 0) {
4188 r->clear_pending(r);
4189 return rc;
4190 }
4191
4192 if (test_bit(RAMROD_COMP_WAIT, &p->ramrod_flags))
4193 rc = r->wait_comp(bp, r);
4194
4195 return rc;
4196}
4197
4198
4199void bnx2x_init_rss_config_obj(struct bnx2x *bp,
4200 struct bnx2x_rss_config_obj *rss_obj,
4201 u8 cl_id, u32 cid, u8 func_id, u8 engine_id,
4202 void *rdata, dma_addr_t rdata_mapping,
4203 int state, unsigned long *pstate,
4204 bnx2x_obj_type type)
4205{
4206 bnx2x_init_raw_obj(&rss_obj->raw, cl_id, cid, func_id, rdata,
4207 rdata_mapping, state, pstate, type);
4208
4209 rss_obj->engine_id = engine_id;
4210 rss_obj->config_rss = bnx2x_setup_rss;
4211}
4212
4213/********************** Queue state object ***********************************/
4214
4215/**
4216 * bnx2x_queue_state_change - perform Queue state change transition
4217 *
4218 * @bp: device handle
4219 * @params: parameters to perform the transition
4220 *
4221 * returns 0 in case of successfully completed transition, negative error
4222 * code in case of failure, positive (EBUSY) value if there is a completion
4223 * to that is still pending (possible only if RAMROD_COMP_WAIT is
4224 * not set in params->ramrod_flags for asynchronous commands).
4225 *
4226 */
4227int bnx2x_queue_state_change(struct bnx2x *bp,
4228 struct bnx2x_queue_state_params *params)
4229{
4230 struct bnx2x_queue_sp_obj *o = params->q_obj;
4231 int rc, pending_bit;
4232 unsigned long *pending = &o->pending;
4233
4234 /* Check that the requested transition is legal */
4235 if (o->check_transition(bp, o, params))
4236 return -EINVAL;
4237
4238 /* Set "pending" bit */
4239 pending_bit = o->set_pending(o, params);
4240
4241 /* Don't send a command if only driver cleanup was requested */
4242 if (test_bit(RAMROD_DRV_CLR_ONLY, &params->ramrod_flags))
4243 o->complete_cmd(bp, o, pending_bit);
4244 else {
4245 /* Send a ramrod */
4246 rc = o->send_cmd(bp, params);
4247 if (rc) {
4248 o->next_state = BNX2X_Q_STATE_MAX;
4249 clear_bit(pending_bit, pending);
4250 smp_mb__after_clear_bit();
4251 return rc;
4252 }
4253
4254 if (test_bit(RAMROD_COMP_WAIT, &params->ramrod_flags)) {
4255 rc = o->wait_comp(bp, o, pending_bit);
4256 if (rc)
4257 return rc;
4258
4259 return 0;
4260 }
4261 }
4262
4263 return !!test_bit(pending_bit, pending);
4264}
4265
4266
4267static int bnx2x_queue_set_pending(struct bnx2x_queue_sp_obj *obj,
4268 struct bnx2x_queue_state_params *params)
4269{
4270 enum bnx2x_queue_cmd cmd = params->cmd, bit;
4271
4272 /* ACTIVATE and DEACTIVATE commands are implemented on top of
4273 * UPDATE command.
4274 */
4275 if ((cmd == BNX2X_Q_CMD_ACTIVATE) ||
4276 (cmd == BNX2X_Q_CMD_DEACTIVATE))
4277 bit = BNX2X_Q_CMD_UPDATE;
4278 else
4279 bit = cmd;
4280
4281 set_bit(bit, &obj->pending);
4282 return bit;
4283}
4284
4285static int bnx2x_queue_wait_comp(struct bnx2x *bp,
4286 struct bnx2x_queue_sp_obj *o,
4287 enum bnx2x_queue_cmd cmd)
4288{
4289 return bnx2x_state_wait(bp, cmd, &o->pending);
4290}
4291
4292/**
4293 * bnx2x_queue_comp_cmd - complete the state change command.
4294 *
4295 * @bp: device handle
4296 * @o:
4297 * @cmd:
4298 *
4299 * Checks that the arrived completion is expected.
4300 */
4301static int bnx2x_queue_comp_cmd(struct bnx2x *bp,
4302 struct bnx2x_queue_sp_obj *o,
4303 enum bnx2x_queue_cmd cmd)
4304{
4305 unsigned long cur_pending = o->pending;
4306
4307 if (!test_and_clear_bit(cmd, &cur_pending)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00004308 BNX2X_ERR("Bad MC reply %d for queue %d in state %d pending 0x%lx, next_state %d\n",
4309 cmd, o->cids[BNX2X_PRIMARY_CID_INDEX],
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004310 o->state, cur_pending, o->next_state);
4311 return -EINVAL;
4312 }
4313
Ariel Elior6383c0b2011-07-14 08:31:57 +00004314 if (o->next_tx_only >= o->max_cos)
4315 /* >= becuase tx only must always be smaller than cos since the
4316 * primary connection suports COS 0
4317 */
4318 BNX2X_ERR("illegal value for next tx_only: %d. max cos was %d",
4319 o->next_tx_only, o->max_cos);
4320
Merav Sicron51c1a582012-03-18 10:33:38 +00004321 DP(BNX2X_MSG_SP,
4322 "Completing command %d for queue %d, setting state to %d\n",
4323 cmd, o->cids[BNX2X_PRIMARY_CID_INDEX], o->next_state);
Ariel Elior6383c0b2011-07-14 08:31:57 +00004324
4325 if (o->next_tx_only) /* print num tx-only if any exist */
Joe Perches94f05b02011-08-14 12:16:20 +00004326 DP(BNX2X_MSG_SP, "primary cid %d: num tx-only cons %d\n",
Merav Sicron51c1a582012-03-18 10:33:38 +00004327 o->cids[BNX2X_PRIMARY_CID_INDEX], o->next_tx_only);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004328
4329 o->state = o->next_state;
Ariel Elior6383c0b2011-07-14 08:31:57 +00004330 o->num_tx_only = o->next_tx_only;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004331 o->next_state = BNX2X_Q_STATE_MAX;
4332
4333 /* It's important that o->state and o->next_state are
4334 * updated before o->pending.
4335 */
4336 wmb();
4337
4338 clear_bit(cmd, &o->pending);
4339 smp_mb__after_clear_bit();
4340
4341 return 0;
4342}
4343
4344static void bnx2x_q_fill_setup_data_e2(struct bnx2x *bp,
4345 struct bnx2x_queue_state_params *cmd_params,
4346 struct client_init_ramrod_data *data)
4347{
4348 struct bnx2x_queue_setup_params *params = &cmd_params->params.setup;
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00004349
4350 /* Rx data */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004351
4352 /* IPv6 TPA supported for E2 and above only */
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00004353 data->rx.tpa_en |= test_bit(BNX2X_Q_FLG_TPA_IPV6, &params->flags) *
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004354 CLIENT_INIT_RX_DATA_TPA_EN_IPV6;
4355}
4356
Ariel Elior6383c0b2011-07-14 08:31:57 +00004357static void bnx2x_q_fill_init_general_data(struct bnx2x *bp,
4358 struct bnx2x_queue_sp_obj *o,
4359 struct bnx2x_general_setup_params *params,
4360 struct client_init_general_data *gen_data,
4361 unsigned long *flags)
4362{
4363 gen_data->client_id = o->cl_id;
4364
4365 if (test_bit(BNX2X_Q_FLG_STATS, flags)) {
4366 gen_data->statistics_counter_id =
4367 params->stat_id;
4368 gen_data->statistics_en_flg = 1;
4369 gen_data->statistics_zero_flg =
4370 test_bit(BNX2X_Q_FLG_ZERO_STATS, flags);
4371 } else
4372 gen_data->statistics_counter_id =
4373 DISABLE_STATISTIC_COUNTER_ID_VALUE;
4374
4375 gen_data->is_fcoe_flg = test_bit(BNX2X_Q_FLG_FCOE, flags);
4376 gen_data->activate_flg = test_bit(BNX2X_Q_FLG_ACTIVE, flags);
4377 gen_data->sp_client_id = params->spcl_id;
4378 gen_data->mtu = cpu_to_le16(params->mtu);
4379 gen_data->func_id = o->func_id;
4380
4381
4382 gen_data->cos = params->cos;
4383
4384 gen_data->traffic_type =
4385 test_bit(BNX2X_Q_FLG_FCOE, flags) ?
4386 LLFC_TRAFFIC_TYPE_FCOE : LLFC_TRAFFIC_TYPE_NW;
4387
Joe Perches94f05b02011-08-14 12:16:20 +00004388 DP(BNX2X_MSG_SP, "flags: active %d, cos %d, stats en %d\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00004389 gen_data->activate_flg, gen_data->cos, gen_data->statistics_en_flg);
4390}
4391
4392static void bnx2x_q_fill_init_tx_data(struct bnx2x_queue_sp_obj *o,
4393 struct bnx2x_txq_setup_params *params,
4394 struct client_init_tx_data *tx_data,
4395 unsigned long *flags)
4396{
4397 tx_data->enforce_security_flg =
4398 test_bit(BNX2X_Q_FLG_TX_SEC, flags);
4399 tx_data->default_vlan =
4400 cpu_to_le16(params->default_vlan);
4401 tx_data->default_vlan_flg =
4402 test_bit(BNX2X_Q_FLG_DEF_VLAN, flags);
4403 tx_data->tx_switching_flg =
4404 test_bit(BNX2X_Q_FLG_TX_SWITCH, flags);
4405 tx_data->anti_spoofing_flg =
4406 test_bit(BNX2X_Q_FLG_ANTI_SPOOF, flags);
4407 tx_data->tx_status_block_id = params->fw_sb_id;
4408 tx_data->tx_sb_index_number = params->sb_cq_index;
4409 tx_data->tss_leading_client_id = params->tss_leading_cl_id;
4410
4411 tx_data->tx_bd_page_base.lo =
4412 cpu_to_le32(U64_LO(params->dscr_map));
4413 tx_data->tx_bd_page_base.hi =
4414 cpu_to_le32(U64_HI(params->dscr_map));
4415
4416 /* Don't configure any Tx switching mode during queue SETUP */
4417 tx_data->state = 0;
4418}
4419
4420static void bnx2x_q_fill_init_pause_data(struct bnx2x_queue_sp_obj *o,
4421 struct rxq_pause_params *params,
4422 struct client_init_rx_data *rx_data)
4423{
4424 /* flow control data */
4425 rx_data->cqe_pause_thr_low = cpu_to_le16(params->rcq_th_lo);
4426 rx_data->cqe_pause_thr_high = cpu_to_le16(params->rcq_th_hi);
4427 rx_data->bd_pause_thr_low = cpu_to_le16(params->bd_th_lo);
4428 rx_data->bd_pause_thr_high = cpu_to_le16(params->bd_th_hi);
4429 rx_data->sge_pause_thr_low = cpu_to_le16(params->sge_th_lo);
4430 rx_data->sge_pause_thr_high = cpu_to_le16(params->sge_th_hi);
4431 rx_data->rx_cos_mask = cpu_to_le16(params->pri_map);
4432}
4433
4434static void bnx2x_q_fill_init_rx_data(struct bnx2x_queue_sp_obj *o,
4435 struct bnx2x_rxq_setup_params *params,
4436 struct client_init_rx_data *rx_data,
4437 unsigned long *flags)
4438{
Ariel Elior6383c0b2011-07-14 08:31:57 +00004439 rx_data->tpa_en = test_bit(BNX2X_Q_FLG_TPA, flags) *
4440 CLIENT_INIT_RX_DATA_TPA_EN_IPV4;
Dmitry Kravkov621b4d62012-02-20 09:59:08 +00004441 rx_data->tpa_en |= test_bit(BNX2X_Q_FLG_TPA_GRO, flags) *
4442 CLIENT_INIT_RX_DATA_TPA_MODE;
Ariel Elior6383c0b2011-07-14 08:31:57 +00004443 rx_data->vmqueue_mode_en_flg = 0;
4444
4445 rx_data->cache_line_alignment_log_size =
4446 params->cache_line_log;
4447 rx_data->enable_dynamic_hc =
4448 test_bit(BNX2X_Q_FLG_DHC, flags);
4449 rx_data->max_sges_for_packet = params->max_sges_pkt;
4450 rx_data->client_qzone_id = params->cl_qzone_id;
4451 rx_data->max_agg_size = cpu_to_le16(params->tpa_agg_sz);
4452
4453 /* Always start in DROP_ALL mode */
4454 rx_data->state = cpu_to_le16(CLIENT_INIT_RX_DATA_UCAST_DROP_ALL |
4455 CLIENT_INIT_RX_DATA_MCAST_DROP_ALL);
4456
4457 /* We don't set drop flags */
4458 rx_data->drop_ip_cs_err_flg = 0;
4459 rx_data->drop_tcp_cs_err_flg = 0;
4460 rx_data->drop_ttl0_flg = 0;
4461 rx_data->drop_udp_cs_err_flg = 0;
4462 rx_data->inner_vlan_removal_enable_flg =
4463 test_bit(BNX2X_Q_FLG_VLAN, flags);
4464 rx_data->outer_vlan_removal_enable_flg =
4465 test_bit(BNX2X_Q_FLG_OV, flags);
4466 rx_data->status_block_id = params->fw_sb_id;
4467 rx_data->rx_sb_index_number = params->sb_cq_index;
4468 rx_data->max_tpa_queues = params->max_tpa_queues;
4469 rx_data->max_bytes_on_bd = cpu_to_le16(params->buf_sz);
4470 rx_data->sge_buff_size = cpu_to_le16(params->sge_buf_sz);
4471 rx_data->bd_page_base.lo =
4472 cpu_to_le32(U64_LO(params->dscr_map));
4473 rx_data->bd_page_base.hi =
4474 cpu_to_le32(U64_HI(params->dscr_map));
4475 rx_data->sge_page_base.lo =
4476 cpu_to_le32(U64_LO(params->sge_map));
4477 rx_data->sge_page_base.hi =
4478 cpu_to_le32(U64_HI(params->sge_map));
4479 rx_data->cqe_page_base.lo =
4480 cpu_to_le32(U64_LO(params->rcq_map));
4481 rx_data->cqe_page_base.hi =
4482 cpu_to_le32(U64_HI(params->rcq_map));
4483 rx_data->is_leading_rss = test_bit(BNX2X_Q_FLG_LEADING_RSS, flags);
4484
4485 if (test_bit(BNX2X_Q_FLG_MCAST, flags)) {
Yuval Mintz259afa12012-03-12 08:53:10 +00004486 rx_data->approx_mcast_engine_id = params->mcast_engine_id;
Ariel Elior6383c0b2011-07-14 08:31:57 +00004487 rx_data->is_approx_mcast = 1;
4488 }
4489
4490 rx_data->rss_engine_id = params->rss_engine_id;
4491
4492 /* silent vlan removal */
4493 rx_data->silent_vlan_removal_flg =
4494 test_bit(BNX2X_Q_FLG_SILENT_VLAN_REM, flags);
4495 rx_data->silent_vlan_value =
4496 cpu_to_le16(params->silent_removal_value);
4497 rx_data->silent_vlan_mask =
4498 cpu_to_le16(params->silent_removal_mask);
4499
4500}
4501
4502/* initialize the general, tx and rx parts of a queue object */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004503static void bnx2x_q_fill_setup_data_cmn(struct bnx2x *bp,
4504 struct bnx2x_queue_state_params *cmd_params,
4505 struct client_init_ramrod_data *data)
4506{
Ariel Elior6383c0b2011-07-14 08:31:57 +00004507 bnx2x_q_fill_init_general_data(bp, cmd_params->q_obj,
4508 &cmd_params->params.setup.gen_params,
4509 &data->general,
4510 &cmd_params->params.setup.flags);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004511
Ariel Elior6383c0b2011-07-14 08:31:57 +00004512 bnx2x_q_fill_init_tx_data(cmd_params->q_obj,
4513 &cmd_params->params.setup.txq_params,
4514 &data->tx,
4515 &cmd_params->params.setup.flags);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004516
Ariel Elior6383c0b2011-07-14 08:31:57 +00004517 bnx2x_q_fill_init_rx_data(cmd_params->q_obj,
4518 &cmd_params->params.setup.rxq_params,
4519 &data->rx,
4520 &cmd_params->params.setup.flags);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004521
Ariel Elior6383c0b2011-07-14 08:31:57 +00004522 bnx2x_q_fill_init_pause_data(cmd_params->q_obj,
4523 &cmd_params->params.setup.pause_params,
4524 &data->rx);
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00004525}
4526
Ariel Elior6383c0b2011-07-14 08:31:57 +00004527/* initialize the general and tx parts of a tx-only queue object */
4528static void bnx2x_q_fill_setup_tx_only(struct bnx2x *bp,
4529 struct bnx2x_queue_state_params *cmd_params,
4530 struct tx_queue_init_ramrod_data *data)
4531{
4532 bnx2x_q_fill_init_general_data(bp, cmd_params->q_obj,
4533 &cmd_params->params.tx_only.gen_params,
4534 &data->general,
4535 &cmd_params->params.tx_only.flags);
4536
4537 bnx2x_q_fill_init_tx_data(cmd_params->q_obj,
4538 &cmd_params->params.tx_only.txq_params,
4539 &data->tx,
4540 &cmd_params->params.tx_only.flags);
4541
Merav Sicron51c1a582012-03-18 10:33:38 +00004542 DP(BNX2X_MSG_SP, "cid %d, tx bd page lo %x hi %x",
4543 cmd_params->q_obj->cids[0],
4544 data->tx.tx_bd_page_base.lo,
4545 data->tx.tx_bd_page_base.hi);
Ariel Elior6383c0b2011-07-14 08:31:57 +00004546}
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00004547
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004548/**
4549 * bnx2x_q_init - init HW/FW queue
4550 *
4551 * @bp: device handle
4552 * @params:
4553 *
4554 * HW/FW initial Queue configuration:
4555 * - HC: Rx and Tx
4556 * - CDU context validation
4557 *
4558 */
4559static inline int bnx2x_q_init(struct bnx2x *bp,
4560 struct bnx2x_queue_state_params *params)
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00004561{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004562 struct bnx2x_queue_sp_obj *o = params->q_obj;
4563 struct bnx2x_queue_init_params *init = &params->params.init;
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00004564 u16 hc_usec;
Ariel Elior6383c0b2011-07-14 08:31:57 +00004565 u8 cos;
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00004566
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004567 /* Tx HC configuration */
4568 if (test_bit(BNX2X_Q_TYPE_HAS_TX, &o->type) &&
4569 test_bit(BNX2X_Q_FLG_HC, &init->tx.flags)) {
4570 hc_usec = init->tx.hc_rate ? 1000000 / init->tx.hc_rate : 0;
4571
4572 bnx2x_update_coalesce_sb_index(bp, init->tx.fw_sb_id,
4573 init->tx.sb_cq_index,
4574 !test_bit(BNX2X_Q_FLG_HC_EN, &init->tx.flags),
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00004575 hc_usec);
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00004576 }
4577
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004578 /* Rx HC configuration */
4579 if (test_bit(BNX2X_Q_TYPE_HAS_RX, &o->type) &&
4580 test_bit(BNX2X_Q_FLG_HC, &init->rx.flags)) {
4581 hc_usec = init->rx.hc_rate ? 1000000 / init->rx.hc_rate : 0;
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00004582
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004583 bnx2x_update_coalesce_sb_index(bp, init->rx.fw_sb_id,
4584 init->rx.sb_cq_index,
4585 !test_bit(BNX2X_Q_FLG_HC_EN, &init->rx.flags),
4586 hc_usec);
4587 }
4588
4589 /* Set CDU context validation values */
Ariel Elior6383c0b2011-07-14 08:31:57 +00004590 for (cos = 0; cos < o->max_cos; cos++) {
Joe Perches94f05b02011-08-14 12:16:20 +00004591 DP(BNX2X_MSG_SP, "setting context validation. cid %d, cos %d\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00004592 o->cids[cos], cos);
Joe Perches94f05b02011-08-14 12:16:20 +00004593 DP(BNX2X_MSG_SP, "context pointer %p\n", init->cxts[cos]);
Ariel Elior6383c0b2011-07-14 08:31:57 +00004594 bnx2x_set_ctx_validation(bp, init->cxts[cos], o->cids[cos]);
4595 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004596
4597 /* As no ramrod is sent, complete the command immediately */
4598 o->complete_cmd(bp, o, BNX2X_Q_CMD_INIT);
4599
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00004600 mmiowb();
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004601 smp_mb();
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00004602
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004603 return 0;
4604}
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00004605
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004606static inline int bnx2x_q_send_setup_e1x(struct bnx2x *bp,
4607 struct bnx2x_queue_state_params *params)
4608{
4609 struct bnx2x_queue_sp_obj *o = params->q_obj;
4610 struct client_init_ramrod_data *rdata =
4611 (struct client_init_ramrod_data *)o->rdata;
4612 dma_addr_t data_mapping = o->rdata_mapping;
4613 int ramrod = RAMROD_CMD_ID_ETH_CLIENT_SETUP;
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00004614
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004615 /* Clear the ramrod data */
4616 memset(rdata, 0, sizeof(*rdata));
4617
4618 /* Fill the ramrod data */
4619 bnx2x_q_fill_setup_data_cmn(bp, params, rdata);
4620
Vladislav Zolotarov53e51e22011-07-19 01:45:02 +00004621 /*
4622 * No need for an explicit memory barrier here as long we would
4623 * need to ensure the ordering of writing to the SPQ element
4624 * and updating of the SPQ producer which involves a memory
4625 * read and we will have to put a full memory barrier there
4626 * (inside bnx2x_sp_post()).
4627 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004628
Ariel Elior6383c0b2011-07-14 08:31:57 +00004629 return bnx2x_sp_post(bp, ramrod, o->cids[BNX2X_PRIMARY_CID_INDEX],
4630 U64_HI(data_mapping),
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004631 U64_LO(data_mapping), ETH_CONNECTION_TYPE);
4632}
4633
4634static inline int bnx2x_q_send_setup_e2(struct bnx2x *bp,
4635 struct bnx2x_queue_state_params *params)
4636{
4637 struct bnx2x_queue_sp_obj *o = params->q_obj;
4638 struct client_init_ramrod_data *rdata =
4639 (struct client_init_ramrod_data *)o->rdata;
4640 dma_addr_t data_mapping = o->rdata_mapping;
4641 int ramrod = RAMROD_CMD_ID_ETH_CLIENT_SETUP;
4642
4643 /* Clear the ramrod data */
4644 memset(rdata, 0, sizeof(*rdata));
4645
4646 /* Fill the ramrod data */
4647 bnx2x_q_fill_setup_data_cmn(bp, params, rdata);
4648 bnx2x_q_fill_setup_data_e2(bp, params, rdata);
4649
Vladislav Zolotarov53e51e22011-07-19 01:45:02 +00004650 /*
4651 * No need for an explicit memory barrier here as long we would
4652 * need to ensure the ordering of writing to the SPQ element
4653 * and updating of the SPQ producer which involves a memory
4654 * read and we will have to put a full memory barrier there
4655 * (inside bnx2x_sp_post()).
4656 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004657
Ariel Elior6383c0b2011-07-14 08:31:57 +00004658 return bnx2x_sp_post(bp, ramrod, o->cids[BNX2X_PRIMARY_CID_INDEX],
4659 U64_HI(data_mapping),
4660 U64_LO(data_mapping), ETH_CONNECTION_TYPE);
4661}
4662
4663static inline int bnx2x_q_send_setup_tx_only(struct bnx2x *bp,
4664 struct bnx2x_queue_state_params *params)
4665{
4666 struct bnx2x_queue_sp_obj *o = params->q_obj;
4667 struct tx_queue_init_ramrod_data *rdata =
4668 (struct tx_queue_init_ramrod_data *)o->rdata;
4669 dma_addr_t data_mapping = o->rdata_mapping;
4670 int ramrod = RAMROD_CMD_ID_ETH_TX_QUEUE_SETUP;
4671 struct bnx2x_queue_setup_tx_only_params *tx_only_params =
4672 &params->params.tx_only;
4673 u8 cid_index = tx_only_params->cid_index;
4674
4675
4676 if (cid_index >= o->max_cos) {
4677 BNX2X_ERR("queue[%d]: cid_index (%d) is out of range\n",
4678 o->cl_id, cid_index);
4679 return -EINVAL;
4680 }
4681
Joe Perches94f05b02011-08-14 12:16:20 +00004682 DP(BNX2X_MSG_SP, "parameters received: cos: %d sp-id: %d\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00004683 tx_only_params->gen_params.cos,
4684 tx_only_params->gen_params.spcl_id);
4685
4686 /* Clear the ramrod data */
4687 memset(rdata, 0, sizeof(*rdata));
4688
4689 /* Fill the ramrod data */
4690 bnx2x_q_fill_setup_tx_only(bp, params, rdata);
4691
Merav Sicron51c1a582012-03-18 10:33:38 +00004692 DP(BNX2X_MSG_SP, "sending tx-only ramrod: cid %d, client-id %d, sp-client id %d, cos %d\n",
4693 o->cids[cid_index], rdata->general.client_id,
Ariel Elior6383c0b2011-07-14 08:31:57 +00004694 rdata->general.sp_client_id, rdata->general.cos);
4695
4696 /*
4697 * No need for an explicit memory barrier here as long we would
4698 * need to ensure the ordering of writing to the SPQ element
4699 * and updating of the SPQ producer which involves a memory
4700 * read and we will have to put a full memory barrier there
4701 * (inside bnx2x_sp_post()).
4702 */
4703
4704 return bnx2x_sp_post(bp, ramrod, o->cids[cid_index],
4705 U64_HI(data_mapping),
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004706 U64_LO(data_mapping), ETH_CONNECTION_TYPE);
4707}
4708
4709static void bnx2x_q_fill_update_data(struct bnx2x *bp,
4710 struct bnx2x_queue_sp_obj *obj,
4711 struct bnx2x_queue_update_params *params,
4712 struct client_update_ramrod_data *data)
4713{
4714 /* Client ID of the client to update */
4715 data->client_id = obj->cl_id;
4716
4717 /* Function ID of the client to update */
4718 data->func_id = obj->func_id;
4719
4720 /* Default VLAN value */
4721 data->default_vlan = cpu_to_le16(params->def_vlan);
4722
4723 /* Inner VLAN stripping */
4724 data->inner_vlan_removal_enable_flg =
4725 test_bit(BNX2X_Q_UPDATE_IN_VLAN_REM, &params->update_flags);
4726 data->inner_vlan_removal_change_flg =
4727 test_bit(BNX2X_Q_UPDATE_IN_VLAN_REM_CHNG,
4728 &params->update_flags);
4729
4730 /* Outer VLAN sripping */
4731 data->outer_vlan_removal_enable_flg =
4732 test_bit(BNX2X_Q_UPDATE_OUT_VLAN_REM, &params->update_flags);
4733 data->outer_vlan_removal_change_flg =
4734 test_bit(BNX2X_Q_UPDATE_OUT_VLAN_REM_CHNG,
4735 &params->update_flags);
4736
4737 /* Drop packets that have source MAC that doesn't belong to this
4738 * Queue.
4739 */
4740 data->anti_spoofing_enable_flg =
4741 test_bit(BNX2X_Q_UPDATE_ANTI_SPOOF, &params->update_flags);
4742 data->anti_spoofing_change_flg =
4743 test_bit(BNX2X_Q_UPDATE_ANTI_SPOOF_CHNG, &params->update_flags);
4744
4745 /* Activate/Deactivate */
4746 data->activate_flg =
4747 test_bit(BNX2X_Q_UPDATE_ACTIVATE, &params->update_flags);
4748 data->activate_change_flg =
4749 test_bit(BNX2X_Q_UPDATE_ACTIVATE_CHNG, &params->update_flags);
4750
4751 /* Enable default VLAN */
4752 data->default_vlan_enable_flg =
4753 test_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN, &params->update_flags);
4754 data->default_vlan_change_flg =
4755 test_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN_CHNG,
4756 &params->update_flags);
4757
4758 /* silent vlan removal */
4759 data->silent_vlan_change_flg =
4760 test_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM_CHNG,
4761 &params->update_flags);
4762 data->silent_vlan_removal_flg =
4763 test_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM, &params->update_flags);
4764 data->silent_vlan_value = cpu_to_le16(params->silent_removal_value);
4765 data->silent_vlan_mask = cpu_to_le16(params->silent_removal_mask);
4766}
4767
4768static inline int bnx2x_q_send_update(struct bnx2x *bp,
4769 struct bnx2x_queue_state_params *params)
4770{
4771 struct bnx2x_queue_sp_obj *o = params->q_obj;
4772 struct client_update_ramrod_data *rdata =
4773 (struct client_update_ramrod_data *)o->rdata;
4774 dma_addr_t data_mapping = o->rdata_mapping;
Ariel Elior6383c0b2011-07-14 08:31:57 +00004775 struct bnx2x_queue_update_params *update_params =
4776 &params->params.update;
4777 u8 cid_index = update_params->cid_index;
4778
4779 if (cid_index >= o->max_cos) {
4780 BNX2X_ERR("queue[%d]: cid_index (%d) is out of range\n",
4781 o->cl_id, cid_index);
4782 return -EINVAL;
4783 }
4784
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004785
4786 /* Clear the ramrod data */
4787 memset(rdata, 0, sizeof(*rdata));
4788
4789 /* Fill the ramrod data */
Ariel Elior6383c0b2011-07-14 08:31:57 +00004790 bnx2x_q_fill_update_data(bp, o, update_params, rdata);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004791
Vladislav Zolotarov53e51e22011-07-19 01:45:02 +00004792 /*
4793 * No need for an explicit memory barrier here as long we would
4794 * need to ensure the ordering of writing to the SPQ element
4795 * and updating of the SPQ producer which involves a memory
4796 * read and we will have to put a full memory barrier there
4797 * (inside bnx2x_sp_post()).
4798 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004799
Ariel Elior6383c0b2011-07-14 08:31:57 +00004800 return bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CLIENT_UPDATE,
4801 o->cids[cid_index], U64_HI(data_mapping),
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004802 U64_LO(data_mapping), ETH_CONNECTION_TYPE);
4803}
4804
4805/**
4806 * bnx2x_q_send_deactivate - send DEACTIVATE command
4807 *
4808 * @bp: device handle
4809 * @params:
4810 *
4811 * implemented using the UPDATE command.
4812 */
4813static inline int bnx2x_q_send_deactivate(struct bnx2x *bp,
4814 struct bnx2x_queue_state_params *params)
4815{
4816 struct bnx2x_queue_update_params *update = &params->params.update;
4817
4818 memset(update, 0, sizeof(*update));
4819
4820 __set_bit(BNX2X_Q_UPDATE_ACTIVATE_CHNG, &update->update_flags);
4821
4822 return bnx2x_q_send_update(bp, params);
4823}
4824
4825/**
4826 * bnx2x_q_send_activate - send ACTIVATE command
4827 *
4828 * @bp: device handle
4829 * @params:
4830 *
4831 * implemented using the UPDATE command.
4832 */
4833static inline int bnx2x_q_send_activate(struct bnx2x *bp,
4834 struct bnx2x_queue_state_params *params)
4835{
4836 struct bnx2x_queue_update_params *update = &params->params.update;
4837
4838 memset(update, 0, sizeof(*update));
4839
4840 __set_bit(BNX2X_Q_UPDATE_ACTIVATE, &update->update_flags);
4841 __set_bit(BNX2X_Q_UPDATE_ACTIVATE_CHNG, &update->update_flags);
4842
4843 return bnx2x_q_send_update(bp, params);
4844}
4845
4846static inline int bnx2x_q_send_update_tpa(struct bnx2x *bp,
4847 struct bnx2x_queue_state_params *params)
4848{
4849 /* TODO: Not implemented yet. */
4850 return -1;
4851}
4852
4853static inline int bnx2x_q_send_halt(struct bnx2x *bp,
4854 struct bnx2x_queue_state_params *params)
4855{
4856 struct bnx2x_queue_sp_obj *o = params->q_obj;
4857
Ariel Elior6383c0b2011-07-14 08:31:57 +00004858 return bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT,
4859 o->cids[BNX2X_PRIMARY_CID_INDEX], 0, o->cl_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004860 ETH_CONNECTION_TYPE);
4861}
4862
4863static inline int bnx2x_q_send_cfc_del(struct bnx2x *bp,
4864 struct bnx2x_queue_state_params *params)
4865{
4866 struct bnx2x_queue_sp_obj *o = params->q_obj;
Ariel Elior6383c0b2011-07-14 08:31:57 +00004867 u8 cid_idx = params->params.cfc_del.cid_index;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004868
Ariel Elior6383c0b2011-07-14 08:31:57 +00004869 if (cid_idx >= o->max_cos) {
4870 BNX2X_ERR("queue[%d]: cid_index (%d) is out of range\n",
4871 o->cl_id, cid_idx);
4872 return -EINVAL;
4873 }
4874
4875 return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_CFC_DEL,
4876 o->cids[cid_idx], 0, 0, NONE_CONNECTION_TYPE);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004877}
4878
4879static inline int bnx2x_q_send_terminate(struct bnx2x *bp,
4880 struct bnx2x_queue_state_params *params)
4881{
4882 struct bnx2x_queue_sp_obj *o = params->q_obj;
Ariel Elior6383c0b2011-07-14 08:31:57 +00004883 u8 cid_index = params->params.terminate.cid_index;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004884
Ariel Elior6383c0b2011-07-14 08:31:57 +00004885 if (cid_index >= o->max_cos) {
4886 BNX2X_ERR("queue[%d]: cid_index (%d) is out of range\n",
4887 o->cl_id, cid_index);
4888 return -EINVAL;
4889 }
4890
4891 return bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_TERMINATE,
4892 o->cids[cid_index], 0, 0, ETH_CONNECTION_TYPE);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004893}
4894
4895static inline int bnx2x_q_send_empty(struct bnx2x *bp,
4896 struct bnx2x_queue_state_params *params)
4897{
4898 struct bnx2x_queue_sp_obj *o = params->q_obj;
4899
Ariel Elior6383c0b2011-07-14 08:31:57 +00004900 return bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_EMPTY,
4901 o->cids[BNX2X_PRIMARY_CID_INDEX], 0, 0,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004902 ETH_CONNECTION_TYPE);
4903}
4904
4905static inline int bnx2x_queue_send_cmd_cmn(struct bnx2x *bp,
4906 struct bnx2x_queue_state_params *params)
4907{
4908 switch (params->cmd) {
4909 case BNX2X_Q_CMD_INIT:
4910 return bnx2x_q_init(bp, params);
Ariel Elior6383c0b2011-07-14 08:31:57 +00004911 case BNX2X_Q_CMD_SETUP_TX_ONLY:
4912 return bnx2x_q_send_setup_tx_only(bp, params);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004913 case BNX2X_Q_CMD_DEACTIVATE:
4914 return bnx2x_q_send_deactivate(bp, params);
4915 case BNX2X_Q_CMD_ACTIVATE:
4916 return bnx2x_q_send_activate(bp, params);
4917 case BNX2X_Q_CMD_UPDATE:
4918 return bnx2x_q_send_update(bp, params);
4919 case BNX2X_Q_CMD_UPDATE_TPA:
4920 return bnx2x_q_send_update_tpa(bp, params);
4921 case BNX2X_Q_CMD_HALT:
4922 return bnx2x_q_send_halt(bp, params);
4923 case BNX2X_Q_CMD_CFC_DEL:
4924 return bnx2x_q_send_cfc_del(bp, params);
4925 case BNX2X_Q_CMD_TERMINATE:
4926 return bnx2x_q_send_terminate(bp, params);
4927 case BNX2X_Q_CMD_EMPTY:
4928 return bnx2x_q_send_empty(bp, params);
4929 default:
4930 BNX2X_ERR("Unknown command: %d\n", params->cmd);
4931 return -EINVAL;
4932 }
4933}
4934
4935static int bnx2x_queue_send_cmd_e1x(struct bnx2x *bp,
4936 struct bnx2x_queue_state_params *params)
4937{
4938 switch (params->cmd) {
4939 case BNX2X_Q_CMD_SETUP:
4940 return bnx2x_q_send_setup_e1x(bp, params);
4941 case BNX2X_Q_CMD_INIT:
Ariel Elior6383c0b2011-07-14 08:31:57 +00004942 case BNX2X_Q_CMD_SETUP_TX_ONLY:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004943 case BNX2X_Q_CMD_DEACTIVATE:
4944 case BNX2X_Q_CMD_ACTIVATE:
4945 case BNX2X_Q_CMD_UPDATE:
4946 case BNX2X_Q_CMD_UPDATE_TPA:
4947 case BNX2X_Q_CMD_HALT:
4948 case BNX2X_Q_CMD_CFC_DEL:
4949 case BNX2X_Q_CMD_TERMINATE:
4950 case BNX2X_Q_CMD_EMPTY:
4951 return bnx2x_queue_send_cmd_cmn(bp, params);
4952 default:
4953 BNX2X_ERR("Unknown command: %d\n", params->cmd);
4954 return -EINVAL;
4955 }
4956}
4957
4958static int bnx2x_queue_send_cmd_e2(struct bnx2x *bp,
4959 struct bnx2x_queue_state_params *params)
4960{
4961 switch (params->cmd) {
4962 case BNX2X_Q_CMD_SETUP:
4963 return bnx2x_q_send_setup_e2(bp, params);
4964 case BNX2X_Q_CMD_INIT:
Ariel Elior6383c0b2011-07-14 08:31:57 +00004965 case BNX2X_Q_CMD_SETUP_TX_ONLY:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004966 case BNX2X_Q_CMD_DEACTIVATE:
4967 case BNX2X_Q_CMD_ACTIVATE:
4968 case BNX2X_Q_CMD_UPDATE:
4969 case BNX2X_Q_CMD_UPDATE_TPA:
4970 case BNX2X_Q_CMD_HALT:
4971 case BNX2X_Q_CMD_CFC_DEL:
4972 case BNX2X_Q_CMD_TERMINATE:
4973 case BNX2X_Q_CMD_EMPTY:
4974 return bnx2x_queue_send_cmd_cmn(bp, params);
4975 default:
4976 BNX2X_ERR("Unknown command: %d\n", params->cmd);
4977 return -EINVAL;
4978 }
4979}
4980
4981/**
4982 * bnx2x_queue_chk_transition - check state machine of a regular Queue
4983 *
4984 * @bp: device handle
4985 * @o:
4986 * @params:
4987 *
4988 * (not Forwarding)
4989 * It both checks if the requested command is legal in a current
4990 * state and, if it's legal, sets a `next_state' in the object
4991 * that will be used in the completion flow to set the `state'
4992 * of the object.
4993 *
4994 * returns 0 if a requested command is a legal transition,
4995 * -EINVAL otherwise.
4996 */
4997static int bnx2x_queue_chk_transition(struct bnx2x *bp,
4998 struct bnx2x_queue_sp_obj *o,
4999 struct bnx2x_queue_state_params *params)
5000{
5001 enum bnx2x_q_state state = o->state, next_state = BNX2X_Q_STATE_MAX;
5002 enum bnx2x_queue_cmd cmd = params->cmd;
Ariel Elior6383c0b2011-07-14 08:31:57 +00005003 struct bnx2x_queue_update_params *update_params =
5004 &params->params.update;
5005 u8 next_tx_only = o->num_tx_only;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005006
Dmitry Kravkov6debea82011-07-19 01:42:04 +00005007 /*
5008 * Forget all pending for completion commands if a driver only state
5009 * transition has been requested.
5010 */
5011 if (test_bit(RAMROD_DRV_CLR_ONLY, &params->ramrod_flags)) {
5012 o->pending = 0;
5013 o->next_state = BNX2X_Q_STATE_MAX;
5014 }
5015
5016 /*
5017 * Don't allow a next state transition if we are in the middle of
5018 * the previous one.
5019 */
5020 if (o->pending)
5021 return -EBUSY;
5022
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005023 switch (state) {
5024 case BNX2X_Q_STATE_RESET:
5025 if (cmd == BNX2X_Q_CMD_INIT)
5026 next_state = BNX2X_Q_STATE_INITIALIZED;
5027
5028 break;
5029 case BNX2X_Q_STATE_INITIALIZED:
5030 if (cmd == BNX2X_Q_CMD_SETUP) {
5031 if (test_bit(BNX2X_Q_FLG_ACTIVE,
5032 &params->params.setup.flags))
5033 next_state = BNX2X_Q_STATE_ACTIVE;
5034 else
5035 next_state = BNX2X_Q_STATE_INACTIVE;
5036 }
5037
5038 break;
5039 case BNX2X_Q_STATE_ACTIVE:
5040 if (cmd == BNX2X_Q_CMD_DEACTIVATE)
5041 next_state = BNX2X_Q_STATE_INACTIVE;
5042
5043 else if ((cmd == BNX2X_Q_CMD_EMPTY) ||
5044 (cmd == BNX2X_Q_CMD_UPDATE_TPA))
5045 next_state = BNX2X_Q_STATE_ACTIVE;
5046
Ariel Elior6383c0b2011-07-14 08:31:57 +00005047 else if (cmd == BNX2X_Q_CMD_SETUP_TX_ONLY) {
5048 next_state = BNX2X_Q_STATE_MULTI_COS;
5049 next_tx_only = 1;
5050 }
5051
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005052 else if (cmd == BNX2X_Q_CMD_HALT)
5053 next_state = BNX2X_Q_STATE_STOPPED;
5054
5055 else if (cmd == BNX2X_Q_CMD_UPDATE) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005056 /* If "active" state change is requested, update the
5057 * state accordingly.
5058 */
5059 if (test_bit(BNX2X_Q_UPDATE_ACTIVATE_CHNG,
5060 &update_params->update_flags) &&
5061 !test_bit(BNX2X_Q_UPDATE_ACTIVATE,
5062 &update_params->update_flags))
5063 next_state = BNX2X_Q_STATE_INACTIVE;
5064 else
5065 next_state = BNX2X_Q_STATE_ACTIVE;
5066 }
5067
5068 break;
Ariel Elior6383c0b2011-07-14 08:31:57 +00005069 case BNX2X_Q_STATE_MULTI_COS:
5070 if (cmd == BNX2X_Q_CMD_TERMINATE)
5071 next_state = BNX2X_Q_STATE_MCOS_TERMINATED;
5072
5073 else if (cmd == BNX2X_Q_CMD_SETUP_TX_ONLY) {
5074 next_state = BNX2X_Q_STATE_MULTI_COS;
5075 next_tx_only = o->num_tx_only + 1;
5076 }
5077
5078 else if ((cmd == BNX2X_Q_CMD_EMPTY) ||
5079 (cmd == BNX2X_Q_CMD_UPDATE_TPA))
5080 next_state = BNX2X_Q_STATE_MULTI_COS;
5081
5082 else if (cmd == BNX2X_Q_CMD_UPDATE) {
5083 /* If "active" state change is requested, update the
5084 * state accordingly.
5085 */
5086 if (test_bit(BNX2X_Q_UPDATE_ACTIVATE_CHNG,
5087 &update_params->update_flags) &&
5088 !test_bit(BNX2X_Q_UPDATE_ACTIVATE,
5089 &update_params->update_flags))
5090 next_state = BNX2X_Q_STATE_INACTIVE;
5091 else
5092 next_state = BNX2X_Q_STATE_MULTI_COS;
5093 }
5094
5095 break;
5096 case BNX2X_Q_STATE_MCOS_TERMINATED:
5097 if (cmd == BNX2X_Q_CMD_CFC_DEL) {
5098 next_tx_only = o->num_tx_only - 1;
5099 if (next_tx_only == 0)
5100 next_state = BNX2X_Q_STATE_ACTIVE;
5101 else
5102 next_state = BNX2X_Q_STATE_MULTI_COS;
5103 }
5104
5105 break;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005106 case BNX2X_Q_STATE_INACTIVE:
5107 if (cmd == BNX2X_Q_CMD_ACTIVATE)
5108 next_state = BNX2X_Q_STATE_ACTIVE;
5109
5110 else if ((cmd == BNX2X_Q_CMD_EMPTY) ||
5111 (cmd == BNX2X_Q_CMD_UPDATE_TPA))
5112 next_state = BNX2X_Q_STATE_INACTIVE;
5113
5114 else if (cmd == BNX2X_Q_CMD_HALT)
5115 next_state = BNX2X_Q_STATE_STOPPED;
5116
5117 else if (cmd == BNX2X_Q_CMD_UPDATE) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005118 /* If "active" state change is requested, update the
5119 * state accordingly.
5120 */
5121 if (test_bit(BNX2X_Q_UPDATE_ACTIVATE_CHNG,
5122 &update_params->update_flags) &&
5123 test_bit(BNX2X_Q_UPDATE_ACTIVATE,
Ariel Elior6383c0b2011-07-14 08:31:57 +00005124 &update_params->update_flags)){
5125 if (o->num_tx_only == 0)
5126 next_state = BNX2X_Q_STATE_ACTIVE;
5127 else /* tx only queues exist for this queue */
5128 next_state = BNX2X_Q_STATE_MULTI_COS;
5129 } else
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005130 next_state = BNX2X_Q_STATE_INACTIVE;
5131 }
5132
5133 break;
5134 case BNX2X_Q_STATE_STOPPED:
5135 if (cmd == BNX2X_Q_CMD_TERMINATE)
5136 next_state = BNX2X_Q_STATE_TERMINATED;
5137
5138 break;
5139 case BNX2X_Q_STATE_TERMINATED:
5140 if (cmd == BNX2X_Q_CMD_CFC_DEL)
5141 next_state = BNX2X_Q_STATE_RESET;
5142
5143 break;
5144 default:
5145 BNX2X_ERR("Illegal state: %d\n", state);
5146 }
5147
5148 /* Transition is assured */
5149 if (next_state != BNX2X_Q_STATE_MAX) {
5150 DP(BNX2X_MSG_SP, "Good state transition: %d(%d)->%d\n",
5151 state, cmd, next_state);
5152 o->next_state = next_state;
Ariel Elior6383c0b2011-07-14 08:31:57 +00005153 o->next_tx_only = next_tx_only;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005154 return 0;
5155 }
5156
5157 DP(BNX2X_MSG_SP, "Bad state transition request: %d %d\n", state, cmd);
5158
5159 return -EINVAL;
5160}
5161
5162void bnx2x_init_queue_obj(struct bnx2x *bp,
5163 struct bnx2x_queue_sp_obj *obj,
Ariel Elior6383c0b2011-07-14 08:31:57 +00005164 u8 cl_id, u32 *cids, u8 cid_cnt, u8 func_id,
5165 void *rdata,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005166 dma_addr_t rdata_mapping, unsigned long type)
5167{
5168 memset(obj, 0, sizeof(*obj));
5169
Ariel Elior6383c0b2011-07-14 08:31:57 +00005170 /* We support only BNX2X_MULTI_TX_COS Tx CoS at the moment */
5171 BUG_ON(BNX2X_MULTI_TX_COS < cid_cnt);
5172
5173 memcpy(obj->cids, cids, sizeof(obj->cids[0]) * cid_cnt);
5174 obj->max_cos = cid_cnt;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005175 obj->cl_id = cl_id;
5176 obj->func_id = func_id;
5177 obj->rdata = rdata;
5178 obj->rdata_mapping = rdata_mapping;
5179 obj->type = type;
5180 obj->next_state = BNX2X_Q_STATE_MAX;
5181
5182 if (CHIP_IS_E1x(bp))
5183 obj->send_cmd = bnx2x_queue_send_cmd_e1x;
5184 else
5185 obj->send_cmd = bnx2x_queue_send_cmd_e2;
5186
5187 obj->check_transition = bnx2x_queue_chk_transition;
5188
5189 obj->complete_cmd = bnx2x_queue_comp_cmd;
5190 obj->wait_comp = bnx2x_queue_wait_comp;
5191 obj->set_pending = bnx2x_queue_set_pending;
5192}
5193
5194/********************** Function state object *********************************/
Dmitry Kravkov6debea82011-07-19 01:42:04 +00005195enum bnx2x_func_state bnx2x_func_get_state(struct bnx2x *bp,
5196 struct bnx2x_func_sp_obj *o)
5197{
5198 /* in the middle of transaction - return INVALID state */
5199 if (o->pending)
5200 return BNX2X_F_STATE_MAX;
5201
5202 /*
5203 * unsure the order of reading of o->pending and o->state
5204 * o->pending should be read first
5205 */
5206 rmb();
5207
5208 return o->state;
5209}
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005210
5211static int bnx2x_func_wait_comp(struct bnx2x *bp,
5212 struct bnx2x_func_sp_obj *o,
5213 enum bnx2x_func_cmd cmd)
5214{
5215 return bnx2x_state_wait(bp, cmd, &o->pending);
5216}
5217
5218/**
5219 * bnx2x_func_state_change_comp - complete the state machine transition
5220 *
5221 * @bp: device handle
5222 * @o:
5223 * @cmd:
5224 *
5225 * Called on state change transition. Completes the state
5226 * machine transition only - no HW interaction.
5227 */
5228static inline int bnx2x_func_state_change_comp(struct bnx2x *bp,
5229 struct bnx2x_func_sp_obj *o,
5230 enum bnx2x_func_cmd cmd)
5231{
5232 unsigned long cur_pending = o->pending;
5233
5234 if (!test_and_clear_bit(cmd, &cur_pending)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00005235 BNX2X_ERR("Bad MC reply %d for func %d in state %d pending 0x%lx, next_state %d\n",
5236 cmd, BP_FUNC(bp), o->state,
5237 cur_pending, o->next_state);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005238 return -EINVAL;
5239 }
5240
Joe Perches94f05b02011-08-14 12:16:20 +00005241 DP(BNX2X_MSG_SP,
5242 "Completing command %d for func %d, setting state to %d\n",
5243 cmd, BP_FUNC(bp), o->next_state);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005244
5245 o->state = o->next_state;
5246 o->next_state = BNX2X_F_STATE_MAX;
5247
5248 /* It's important that o->state and o->next_state are
5249 * updated before o->pending.
5250 */
5251 wmb();
5252
5253 clear_bit(cmd, &o->pending);
5254 smp_mb__after_clear_bit();
5255
5256 return 0;
5257}
5258
5259/**
5260 * bnx2x_func_comp_cmd - complete the state change command
5261 *
5262 * @bp: device handle
5263 * @o:
5264 * @cmd:
5265 *
5266 * Checks that the arrived completion is expected.
5267 */
5268static int bnx2x_func_comp_cmd(struct bnx2x *bp,
5269 struct bnx2x_func_sp_obj *o,
5270 enum bnx2x_func_cmd cmd)
5271{
5272 /* Complete the state machine part first, check if it's a
5273 * legal completion.
5274 */
5275 int rc = bnx2x_func_state_change_comp(bp, o, cmd);
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00005276 return rc;
5277}
5278
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005279/**
5280 * bnx2x_func_chk_transition - perform function state machine transition
5281 *
5282 * @bp: device handle
5283 * @o:
5284 * @params:
5285 *
5286 * It both checks if the requested command is legal in a current
5287 * state and, if it's legal, sets a `next_state' in the object
5288 * that will be used in the completion flow to set the `state'
5289 * of the object.
5290 *
5291 * returns 0 if a requested command is a legal transition,
5292 * -EINVAL otherwise.
5293 */
5294static int bnx2x_func_chk_transition(struct bnx2x *bp,
5295 struct bnx2x_func_sp_obj *o,
5296 struct bnx2x_func_state_params *params)
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00005297{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005298 enum bnx2x_func_state state = o->state, next_state = BNX2X_F_STATE_MAX;
5299 enum bnx2x_func_cmd cmd = params->cmd;
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00005300
Dmitry Kravkov6debea82011-07-19 01:42:04 +00005301 /*
5302 * Forget all pending for completion commands if a driver only state
5303 * transition has been requested.
5304 */
5305 if (test_bit(RAMROD_DRV_CLR_ONLY, &params->ramrod_flags)) {
5306 o->pending = 0;
5307 o->next_state = BNX2X_F_STATE_MAX;
5308 }
5309
5310 /*
5311 * Don't allow a next state transition if we are in the middle of
5312 * the previous one.
5313 */
5314 if (o->pending)
5315 return -EBUSY;
5316
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005317 switch (state) {
5318 case BNX2X_F_STATE_RESET:
5319 if (cmd == BNX2X_F_CMD_HW_INIT)
5320 next_state = BNX2X_F_STATE_INITIALIZED;
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00005321
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005322 break;
5323 case BNX2X_F_STATE_INITIALIZED:
5324 if (cmd == BNX2X_F_CMD_START)
5325 next_state = BNX2X_F_STATE_STARTED;
5326
5327 else if (cmd == BNX2X_F_CMD_HW_RESET)
5328 next_state = BNX2X_F_STATE_RESET;
5329
5330 break;
5331 case BNX2X_F_STATE_STARTED:
5332 if (cmd == BNX2X_F_CMD_STOP)
5333 next_state = BNX2X_F_STATE_INITIALIZED;
Dmitry Kravkov6debea82011-07-19 01:42:04 +00005334 else if (cmd == BNX2X_F_CMD_TX_STOP)
5335 next_state = BNX2X_F_STATE_TX_STOPPED;
5336
5337 break;
5338 case BNX2X_F_STATE_TX_STOPPED:
5339 if (cmd == BNX2X_F_CMD_TX_START)
5340 next_state = BNX2X_F_STATE_STARTED;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005341
5342 break;
5343 default:
5344 BNX2X_ERR("Unknown state: %d\n", state);
5345 }
5346
5347 /* Transition is assured */
5348 if (next_state != BNX2X_F_STATE_MAX) {
5349 DP(BNX2X_MSG_SP, "Good function state transition: %d(%d)->%d\n",
5350 state, cmd, next_state);
5351 o->next_state = next_state;
5352 return 0;
5353 }
5354
5355 DP(BNX2X_MSG_SP, "Bad function state transition request: %d %d\n",
5356 state, cmd);
5357
5358 return -EINVAL;
5359}
5360
5361/**
5362 * bnx2x_func_init_func - performs HW init at function stage
5363 *
5364 * @bp: device handle
5365 * @drv:
5366 *
5367 * Init HW when the current phase is
5368 * FW_MSG_CODE_DRV_LOAD_FUNCTION: initialize only FUNCTION-only
5369 * HW blocks.
5370 */
5371static inline int bnx2x_func_init_func(struct bnx2x *bp,
5372 const struct bnx2x_func_sp_drv_ops *drv)
5373{
5374 return drv->init_hw_func(bp);
5375}
5376
5377/**
5378 * bnx2x_func_init_port - performs HW init at port stage
5379 *
5380 * @bp: device handle
5381 * @drv:
5382 *
5383 * Init HW when the current phase is
5384 * FW_MSG_CODE_DRV_LOAD_PORT: initialize PORT-only and
5385 * FUNCTION-only HW blocks.
5386 *
5387 */
5388static inline int bnx2x_func_init_port(struct bnx2x *bp,
5389 const struct bnx2x_func_sp_drv_ops *drv)
5390{
5391 int rc = drv->init_hw_port(bp);
5392 if (rc)
5393 return rc;
5394
5395 return bnx2x_func_init_func(bp, drv);
5396}
5397
5398/**
5399 * bnx2x_func_init_cmn_chip - performs HW init at chip-common stage
5400 *
5401 * @bp: device handle
5402 * @drv:
5403 *
5404 * Init HW when the current phase is
5405 * FW_MSG_CODE_DRV_LOAD_COMMON_CHIP: initialize COMMON_CHIP,
5406 * PORT-only and FUNCTION-only HW blocks.
5407 */
5408static inline int bnx2x_func_init_cmn_chip(struct bnx2x *bp,
5409 const struct bnx2x_func_sp_drv_ops *drv)
5410{
5411 int rc = drv->init_hw_cmn_chip(bp);
5412 if (rc)
5413 return rc;
5414
5415 return bnx2x_func_init_port(bp, drv);
5416}
5417
5418/**
5419 * bnx2x_func_init_cmn - performs HW init at common stage
5420 *
5421 * @bp: device handle
5422 * @drv:
5423 *
5424 * Init HW when the current phase is
5425 * FW_MSG_CODE_DRV_LOAD_COMMON_CHIP: initialize COMMON,
5426 * PORT-only and FUNCTION-only HW blocks.
5427 */
5428static inline int bnx2x_func_init_cmn(struct bnx2x *bp,
5429 const struct bnx2x_func_sp_drv_ops *drv)
5430{
5431 int rc = drv->init_hw_cmn(bp);
5432 if (rc)
5433 return rc;
5434
5435 return bnx2x_func_init_port(bp, drv);
5436}
5437
5438static int bnx2x_func_hw_init(struct bnx2x *bp,
5439 struct bnx2x_func_state_params *params)
5440{
5441 u32 load_code = params->params.hw_init.load_phase;
5442 struct bnx2x_func_sp_obj *o = params->f_obj;
5443 const struct bnx2x_func_sp_drv_ops *drv = o->drv;
5444 int rc = 0;
5445
5446 DP(BNX2X_MSG_SP, "function %d load_code %x\n",
5447 BP_ABS_FUNC(bp), load_code);
5448
5449 /* Prepare buffers for unzipping the FW */
5450 rc = drv->gunzip_init(bp);
5451 if (rc)
5452 return rc;
5453
5454 /* Prepare FW */
5455 rc = drv->init_fw(bp);
5456 if (rc) {
5457 BNX2X_ERR("Error loading firmware\n");
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +00005458 goto init_err;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005459 }
5460
5461 /* Handle the beginning of COMMON_XXX pases separatelly... */
5462 switch (load_code) {
5463 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
5464 rc = bnx2x_func_init_cmn_chip(bp, drv);
5465 if (rc)
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +00005466 goto init_err;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005467
5468 break;
5469 case FW_MSG_CODE_DRV_LOAD_COMMON:
5470 rc = bnx2x_func_init_cmn(bp, drv);
5471 if (rc)
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +00005472 goto init_err;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005473
5474 break;
5475 case FW_MSG_CODE_DRV_LOAD_PORT:
5476 rc = bnx2x_func_init_port(bp, drv);
5477 if (rc)
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +00005478 goto init_err;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005479
5480 break;
5481 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
5482 rc = bnx2x_func_init_func(bp, drv);
5483 if (rc)
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +00005484 goto init_err;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005485
5486 break;
5487 default:
5488 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5489 rc = -EINVAL;
5490 }
5491
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +00005492init_err:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005493 drv->gunzip_end(bp);
5494
5495 /* In case of success, complete the comand immediatelly: no ramrods
5496 * have been sent.
5497 */
5498 if (!rc)
5499 o->complete_cmd(bp, o, BNX2X_F_CMD_HW_INIT);
5500
5501 return rc;
5502}
5503
5504/**
5505 * bnx2x_func_reset_func - reset HW at function stage
5506 *
5507 * @bp: device handle
5508 * @drv:
5509 *
5510 * Reset HW at FW_MSG_CODE_DRV_UNLOAD_FUNCTION stage: reset only
5511 * FUNCTION-only HW blocks.
5512 */
5513static inline void bnx2x_func_reset_func(struct bnx2x *bp,
5514 const struct bnx2x_func_sp_drv_ops *drv)
5515{
5516 drv->reset_hw_func(bp);
5517}
5518
5519/**
5520 * bnx2x_func_reset_port - reser HW at port stage
5521 *
5522 * @bp: device handle
5523 * @drv:
5524 *
5525 * Reset HW at FW_MSG_CODE_DRV_UNLOAD_PORT stage: reset
5526 * FUNCTION-only and PORT-only HW blocks.
5527 *
5528 * !!!IMPORTANT!!!
5529 *
5530 * It's important to call reset_port before reset_func() as the last thing
5531 * reset_func does is pf_disable() thus disabling PGLUE_B, which
5532 * makes impossible any DMAE transactions.
5533 */
5534static inline void bnx2x_func_reset_port(struct bnx2x *bp,
5535 const struct bnx2x_func_sp_drv_ops *drv)
5536{
5537 drv->reset_hw_port(bp);
5538 bnx2x_func_reset_func(bp, drv);
5539}
5540
5541/**
5542 * bnx2x_func_reset_cmn - reser HW at common stage
5543 *
5544 * @bp: device handle
5545 * @drv:
5546 *
5547 * Reset HW at FW_MSG_CODE_DRV_UNLOAD_COMMON and
5548 * FW_MSG_CODE_DRV_UNLOAD_COMMON_CHIP stages: reset COMMON,
5549 * COMMON_CHIP, FUNCTION-only and PORT-only HW blocks.
5550 */
5551static inline void bnx2x_func_reset_cmn(struct bnx2x *bp,
5552 const struct bnx2x_func_sp_drv_ops *drv)
5553{
5554 bnx2x_func_reset_port(bp, drv);
5555 drv->reset_hw_cmn(bp);
5556}
5557
5558
5559static inline int bnx2x_func_hw_reset(struct bnx2x *bp,
5560 struct bnx2x_func_state_params *params)
5561{
5562 u32 reset_phase = params->params.hw_reset.reset_phase;
5563 struct bnx2x_func_sp_obj *o = params->f_obj;
5564 const struct bnx2x_func_sp_drv_ops *drv = o->drv;
5565
5566 DP(BNX2X_MSG_SP, "function %d reset_phase %x\n", BP_ABS_FUNC(bp),
5567 reset_phase);
5568
5569 switch (reset_phase) {
5570 case FW_MSG_CODE_DRV_UNLOAD_COMMON:
5571 bnx2x_func_reset_cmn(bp, drv);
5572 break;
5573 case FW_MSG_CODE_DRV_UNLOAD_PORT:
5574 bnx2x_func_reset_port(bp, drv);
5575 break;
5576 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
5577 bnx2x_func_reset_func(bp, drv);
5578 break;
5579 default:
5580 BNX2X_ERR("Unknown reset_phase (0x%x) from MCP\n",
5581 reset_phase);
5582 break;
5583 }
5584
5585 /* Complete the comand immediatelly: no ramrods have been sent. */
5586 o->complete_cmd(bp, o, BNX2X_F_CMD_HW_RESET);
5587
5588 return 0;
5589}
5590
5591static inline int bnx2x_func_send_start(struct bnx2x *bp,
5592 struct bnx2x_func_state_params *params)
5593{
5594 struct bnx2x_func_sp_obj *o = params->f_obj;
5595 struct function_start_data *rdata =
5596 (struct function_start_data *)o->rdata;
5597 dma_addr_t data_mapping = o->rdata_mapping;
5598 struct bnx2x_func_start_params *start_params = &params->params.start;
5599
5600 memset(rdata, 0, sizeof(*rdata));
5601
5602 /* Fill the ramrod data with provided parameters */
5603 rdata->function_mode = cpu_to_le16(start_params->mf_mode);
Ariel Eliorab4a7132012-03-12 11:22:05 +00005604 rdata->sd_vlan_tag = cpu_to_le16(start_params->sd_vlan_tag);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005605 rdata->path_id = BP_PATH(bp);
5606 rdata->network_cos_mode = start_params->network_cos_mode;
5607
Vladislav Zolotarov53e51e22011-07-19 01:45:02 +00005608 /*
5609 * No need for an explicit memory barrier here as long we would
5610 * need to ensure the ordering of writing to the SPQ element
5611 * and updating of the SPQ producer which involves a memory
5612 * read and we will have to put a full memory barrier there
5613 * (inside bnx2x_sp_post()).
5614 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005615
5616 return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_START, 0,
5617 U64_HI(data_mapping),
5618 U64_LO(data_mapping), NONE_CONNECTION_TYPE);
5619}
5620
5621static inline int bnx2x_func_send_stop(struct bnx2x *bp,
5622 struct bnx2x_func_state_params *params)
5623{
5624 return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_STOP, 0, 0, 0,
5625 NONE_CONNECTION_TYPE);
5626}
5627
Dmitry Kravkov6debea82011-07-19 01:42:04 +00005628static inline int bnx2x_func_send_tx_stop(struct bnx2x *bp,
5629 struct bnx2x_func_state_params *params)
5630{
5631 return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_STOP_TRAFFIC, 0, 0, 0,
5632 NONE_CONNECTION_TYPE);
5633}
5634static inline int bnx2x_func_send_tx_start(struct bnx2x *bp,
5635 struct bnx2x_func_state_params *params)
5636{
5637 struct bnx2x_func_sp_obj *o = params->f_obj;
5638 struct flow_control_configuration *rdata =
5639 (struct flow_control_configuration *)o->rdata;
5640 dma_addr_t data_mapping = o->rdata_mapping;
5641 struct bnx2x_func_tx_start_params *tx_start_params =
5642 &params->params.tx_start;
5643 int i;
5644
5645 memset(rdata, 0, sizeof(*rdata));
5646
5647 rdata->dcb_enabled = tx_start_params->dcb_enabled;
5648 rdata->dcb_version = tx_start_params->dcb_version;
5649 rdata->dont_add_pri_0_en = tx_start_params->dont_add_pri_0_en;
5650
5651 for (i = 0; i < ARRAY_SIZE(rdata->traffic_type_to_priority_cos); i++)
5652 rdata->traffic_type_to_priority_cos[i] =
5653 tx_start_params->traffic_type_to_priority_cos[i];
5654
5655 return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_START_TRAFFIC, 0,
5656 U64_HI(data_mapping),
5657 U64_LO(data_mapping), NONE_CONNECTION_TYPE);
5658}
5659
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005660static int bnx2x_func_send_cmd(struct bnx2x *bp,
5661 struct bnx2x_func_state_params *params)
5662{
5663 switch (params->cmd) {
5664 case BNX2X_F_CMD_HW_INIT:
5665 return bnx2x_func_hw_init(bp, params);
5666 case BNX2X_F_CMD_START:
5667 return bnx2x_func_send_start(bp, params);
5668 case BNX2X_F_CMD_STOP:
5669 return bnx2x_func_send_stop(bp, params);
5670 case BNX2X_F_CMD_HW_RESET:
5671 return bnx2x_func_hw_reset(bp, params);
Dmitry Kravkov6debea82011-07-19 01:42:04 +00005672 case BNX2X_F_CMD_TX_STOP:
5673 return bnx2x_func_send_tx_stop(bp, params);
5674 case BNX2X_F_CMD_TX_START:
5675 return bnx2x_func_send_tx_start(bp, params);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005676 default:
5677 BNX2X_ERR("Unknown command: %d\n", params->cmd);
5678 return -EINVAL;
5679 }
5680}
5681
5682void bnx2x_init_func_obj(struct bnx2x *bp,
5683 struct bnx2x_func_sp_obj *obj,
5684 void *rdata, dma_addr_t rdata_mapping,
5685 struct bnx2x_func_sp_drv_ops *drv_iface)
5686{
5687 memset(obj, 0, sizeof(*obj));
5688
5689 mutex_init(&obj->one_pending_mutex);
5690
5691 obj->rdata = rdata;
5692 obj->rdata_mapping = rdata_mapping;
5693
5694 obj->send_cmd = bnx2x_func_send_cmd;
5695 obj->check_transition = bnx2x_func_chk_transition;
5696 obj->complete_cmd = bnx2x_func_comp_cmd;
5697 obj->wait_comp = bnx2x_func_wait_comp;
5698
5699 obj->drv = drv_iface;
5700}
5701
5702/**
5703 * bnx2x_func_state_change - perform Function state change transition
5704 *
5705 * @bp: device handle
5706 * @params: parameters to perform the transaction
5707 *
5708 * returns 0 in case of successfully completed transition,
5709 * negative error code in case of failure, positive
5710 * (EBUSY) value if there is a completion to that is
5711 * still pending (possible only if RAMROD_COMP_WAIT is
5712 * not set in params->ramrod_flags for asynchronous
5713 * commands).
5714 */
5715int bnx2x_func_state_change(struct bnx2x *bp,
5716 struct bnx2x_func_state_params *params)
5717{
5718 struct bnx2x_func_sp_obj *o = params->f_obj;
5719 int rc;
5720 enum bnx2x_func_cmd cmd = params->cmd;
5721 unsigned long *pending = &o->pending;
5722
5723 mutex_lock(&o->one_pending_mutex);
5724
5725 /* Check that the requested transition is legal */
5726 if (o->check_transition(bp, o, params)) {
5727 mutex_unlock(&o->one_pending_mutex);
5728 return -EINVAL;
5729 }
5730
5731 /* Set "pending" bit */
5732 set_bit(cmd, pending);
5733
5734 /* Don't send a command if only driver cleanup was requested */
5735 if (test_bit(RAMROD_DRV_CLR_ONLY, &params->ramrod_flags)) {
5736 bnx2x_func_state_change_comp(bp, o, cmd);
5737 mutex_unlock(&o->one_pending_mutex);
5738 } else {
5739 /* Send a ramrod */
5740 rc = o->send_cmd(bp, params);
5741
5742 mutex_unlock(&o->one_pending_mutex);
5743
5744 if (rc) {
5745 o->next_state = BNX2X_F_STATE_MAX;
5746 clear_bit(cmd, pending);
5747 smp_mb__after_clear_bit();
5748 return rc;
5749 }
5750
5751 if (test_bit(RAMROD_COMP_WAIT, &params->ramrod_flags)) {
5752 rc = o->wait_comp(bp, o, cmd);
5753 if (rc)
5754 return rc;
5755
5756 return 0;
5757 }
5758 }
5759
5760 return !!test_bit(cmd, pending);
Vladislav Zolotarov042181f2011-06-14 01:33:39 +00005761}