Commit | Line | Data |
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619c5cb6 VZ |
1 | /* bnx2x_sp.c: Broadcom Everest network driver. |
2 | * | |
85b26ea1 | 3 | * Copyright (c) 2011-2012 Broadcom Corporation |
619c5cb6 VZ |
4 | * |
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 | */ | |
f1deab50 JP |
19 | |
20 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | |
21 | ||
042181f5 VZ |
22 | #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 | ||
619c5cb6 VZ |
31 | #define BNX2X_MAX_EMUL_MULTI 16 |
32 | ||
ed5162a0 AE |
33 | #define MAC_LEADING_ZERO_CNT (ALIGN(ETH_ALEN, sizeof(u32)) - ETH_ALEN) |
34 | ||
619c5cb6 | 35 | /**** Exe Queue interfaces ****/ |
042181f5 VZ |
36 | |
37 | /** | |
619c5cb6 | 38 | * bnx2x_exe_queue_init - init the Exe Queue object |
042181f5 | 39 | * |
619c5cb6 VZ |
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 | |
042181f5 | 47 | */ |
619c5cb6 VZ |
48 | static 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, | |
460a25cd | 53 | exe_q_remove remove, |
619c5cb6 VZ |
54 | exe_q_optimize optimize, |
55 | exe_q_execute exec, | |
56 | exe_q_get get) | |
042181f5 | 57 | { |
619c5cb6 | 58 | memset(o, 0, sizeof(*o)); |
042181f5 | 59 | |
619c5cb6 VZ |
60 | INIT_LIST_HEAD(&o->exe_queue); |
61 | INIT_LIST_HEAD(&o->pending_comp); | |
042181f5 | 62 | |
619c5cb6 | 63 | spin_lock_init(&o->lock); |
042181f5 | 64 | |
619c5cb6 VZ |
65 | o->exe_chunk_len = exe_len; |
66 | o->owner = owner; | |
042181f5 | 67 | |
619c5cb6 VZ |
68 | /* Owner specific callbacks */ |
69 | o->validate = validate; | |
460a25cd | 70 | o->remove = remove; |
619c5cb6 VZ |
71 | o->optimize = optimize; |
72 | o->execute = exec; | |
73 | o->get = get; | |
042181f5 | 74 | |
51c1a580 MS |
75 | DP(BNX2X_MSG_SP, "Setup the execution queue with the chunk length of %d\n", |
76 | exe_len); | |
042181f5 VZ |
77 | } |
78 | ||
619c5cb6 VZ |
79 | static 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 | } | |
042181f5 | 85 | |
619c5cb6 | 86 | static inline int bnx2x_exe_queue_length(struct bnx2x_exe_queue_obj *o) |
042181f5 | 87 | { |
619c5cb6 VZ |
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; | |
042181f5 VZ |
99 | } |
100 | ||
619c5cb6 VZ |
101 | /** |
102 | * bnx2x_exe_queue_add - add a new element to the execution queue | |
103 | * | |
104 | * @bp: driver handle | |
105 | * @o: queue | |
106 | * @cmd: new command to add | |
107 | * @restore: true - do not optimize the command | |
042181f5 | 108 | * |
619c5cb6 | 109 | * If the element is optimized or is illegal, frees it. |
042181f5 | 110 | */ |
619c5cb6 VZ |
111 | static 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) | |
042181f5 | 115 | { |
619c5cb6 | 116 | int rc; |
042181f5 | 117 | |
619c5cb6 | 118 | spin_lock_bh(&o->lock); |
042181f5 | 119 | |
619c5cb6 VZ |
120 | 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; | |
125 | ||
126 | /* 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; | |
042181f5 VZ |
131 | } |
132 | } | |
133 | ||
619c5cb6 VZ |
134 | /* If so, add it to the execution queue */ |
135 | list_add_tail(&elem->link, &o->exe_queue); | |
042181f5 | 136 | |
619c5cb6 | 137 | spin_unlock_bh(&o->lock); |
042181f5 | 138 | |
619c5cb6 | 139 | return 0; |
042181f5 | 140 | |
619c5cb6 VZ |
141 | free_and_exit: |
142 | bnx2x_exe_queue_free_elem(bp, elem); | |
042181f5 | 143 | |
619c5cb6 | 144 | spin_unlock_bh(&o->lock); |
042181f5 | 145 | |
619c5cb6 | 146 | return rc; |
042181f5 | 147 | |
619c5cb6 | 148 | } |
042181f5 | 149 | |
619c5cb6 VZ |
150 | static 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; | |
042181f5 | 155 | |
619c5cb6 VZ |
156 | while (!list_empty(&o->pending_comp)) { |
157 | elem = list_first_entry(&o->pending_comp, | |
158 | struct bnx2x_exeq_elem, link); | |
042181f5 | 159 | |
619c5cb6 VZ |
160 | list_del(&elem->link); |
161 | bnx2x_exe_queue_free_elem(bp, elem); | |
162 | } | |
042181f5 VZ |
163 | } |
164 | ||
619c5cb6 VZ |
165 | static inline void bnx2x_exe_queue_reset_pending(struct bnx2x *bp, |
166 | struct bnx2x_exe_queue_obj *o) | |
042181f5 | 167 | { |
042181f5 | 168 | |
619c5cb6 | 169 | spin_lock_bh(&o->lock); |
042181f5 | 170 | |
619c5cb6 | 171 | __bnx2x_exe_queue_reset_pending(bp, o); |
042181f5 | 172 | |
619c5cb6 | 173 | spin_unlock_bh(&o->lock); |
042181f5 | 174 | |
042181f5 VZ |
175 | } |
176 | ||
619c5cb6 VZ |
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 | */ | |
186 | static inline int bnx2x_exe_queue_step(struct bnx2x *bp, | |
187 | struct bnx2x_exe_queue_obj *o, | |
188 | unsigned long *ramrod_flags) | |
042181f5 | 189 | { |
619c5cb6 VZ |
190 | struct bnx2x_exeq_elem *elem, spacer; |
191 | int cur_len = 0, rc; | |
042181f5 | 192 | |
619c5cb6 | 193 | memset(&spacer, 0, sizeof(spacer)); |
042181f5 | 194 | |
619c5cb6 | 195 | spin_lock_bh(&o->lock); |
042181f5 | 196 | |
619c5cb6 VZ |
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. | |
203 | */ | |
204 | if (!list_empty(&o->pending_comp)) { | |
205 | if (test_bit(RAMROD_DRV_CLR_ONLY, ramrod_flags)) { | |
51c1a580 | 206 | DP(BNX2X_MSG_SP, "RAMROD_DRV_CLR_ONLY requested: resetting a pending_comp list\n"); |
619c5cb6 VZ |
207 | __bnx2x_exe_queue_reset_pending(bp, o); |
208 | } else { | |
209 | spin_unlock_bh(&o->lock); | |
210 | return 1; | |
211 | } | |
212 | } | |
042181f5 | 213 | |
619c5cb6 VZ |
214 | /* |
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); | |
042181f5 | 222 | |
619c5cb6 VZ |
223 | if (cur_len + elem->cmd_len <= o->exe_chunk_len) { |
224 | cur_len += elem->cmd_len; | |
042181f5 | 225 | /* |
619c5cb6 VZ |
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. | |
042181f5 | 229 | */ |
619c5cb6 VZ |
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; | |
042181f5 | 237 | } |
042181f5 | 238 | |
619c5cb6 VZ |
239 | /* Sanity check */ |
240 | if (!cur_len) { | |
241 | spin_unlock_bh(&o->lock); | |
242 | return 0; | |
042181f5 VZ |
243 | } |
244 | ||
619c5cb6 VZ |
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); | |
042181f5 | 258 | |
619c5cb6 VZ |
259 | spin_unlock_bh(&o->lock); |
260 | return rc; | |
261 | } | |
042181f5 | 262 | |
619c5cb6 VZ |
263 | static inline bool bnx2x_exe_queue_empty(struct bnx2x_exe_queue_obj *o) |
264 | { | |
265 | bool empty = list_empty(&o->exe_queue); | |
042181f5 | 266 | |
619c5cb6 VZ |
267 | /* Don't reorder!!! */ |
268 | mb(); | |
042181f5 | 269 | |
619c5cb6 VZ |
270 | return empty && list_empty(&o->pending_comp); |
271 | } | |
042181f5 | 272 | |
619c5cb6 VZ |
273 | static 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 | } | |
042181f5 | 279 | |
619c5cb6 VZ |
280 | /************************ raw_obj functions ***********************************/ |
281 | static bool bnx2x_raw_check_pending(struct bnx2x_raw_obj *o) | |
282 | { | |
283 | return !!test_bit(o->state, o->pstate); | |
042181f5 VZ |
284 | } |
285 | ||
619c5cb6 | 286 | static void bnx2x_raw_clear_pending(struct bnx2x_raw_obj *o) |
042181f5 | 287 | { |
619c5cb6 VZ |
288 | smp_mb__before_clear_bit(); |
289 | clear_bit(o->state, o->pstate); | |
290 | smp_mb__after_clear_bit(); | |
291 | } | |
042181f5 | 292 | |
619c5cb6 VZ |
293 | static 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 | } | |
042181f5 | 299 | |
619c5cb6 VZ |
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 | */ | |
308 | static 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; | |
042181f5 | 313 | |
042181f5 | 314 | |
619c5cb6 VZ |
315 | if (CHIP_REV_IS_EMUL(bp)) |
316 | cnt *= 20; | |
042181f5 | 317 | |
619c5cb6 VZ |
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); | |
042181f5 | 325 | #endif |
619c5cb6 VZ |
326 | return 0; |
327 | } | |
042181f5 | 328 | |
619c5cb6 | 329 | usleep_range(1000, 1000); |
042181f5 | 330 | |
619c5cb6 VZ |
331 | if (bp->panic) |
332 | return -EIO; | |
333 | } | |
042181f5 | 334 | |
619c5cb6 VZ |
335 | /* timeout! */ |
336 | BNX2X_ERR("timeout waiting for state %d\n", state); | |
337 | #ifdef BNX2X_STOP_ON_ERROR | |
338 | bnx2x_panic(); | |
339 | #endif | |
042181f5 | 340 | |
619c5cb6 VZ |
341 | return -EBUSY; |
342 | } | |
042181f5 | 343 | |
619c5cb6 VZ |
344 | static int bnx2x_raw_wait(struct bnx2x *bp, struct bnx2x_raw_obj *raw) |
345 | { | |
346 | return bnx2x_state_wait(bp, raw->state, raw->pstate); | |
042181f5 VZ |
347 | } |
348 | ||
619c5cb6 VZ |
349 | /***************** Classification verbs: Set/Del MAC/VLAN/VLAN-MAC ************/ |
350 | /* credit handling callbacks */ | |
351 | static bool bnx2x_get_cam_offset_mac(struct bnx2x_vlan_mac_obj *o, int *offset) | |
042181f5 | 352 | { |
619c5cb6 VZ |
353 | struct bnx2x_credit_pool_obj *mp = o->macs_pool; |
354 | ||
355 | WARN_ON(!mp); | |
356 | ||
357 | return mp->get_entry(mp, offset); | |
042181f5 VZ |
358 | } |
359 | ||
619c5cb6 | 360 | static bool bnx2x_get_credit_mac(struct bnx2x_vlan_mac_obj *o) |
042181f5 | 361 | { |
619c5cb6 VZ |
362 | struct bnx2x_credit_pool_obj *mp = o->macs_pool; |
363 | ||
364 | WARN_ON(!mp); | |
365 | ||
366 | return mp->get(mp, 1); | |
042181f5 VZ |
367 | } |
368 | ||
619c5cb6 | 369 | static bool bnx2x_get_cam_offset_vlan(struct bnx2x_vlan_mac_obj *o, int *offset) |
042181f5 | 370 | { |
619c5cb6 | 371 | struct bnx2x_credit_pool_obj *vp = o->vlans_pool; |
042181f5 | 372 | |
619c5cb6 | 373 | WARN_ON(!vp); |
042181f5 | 374 | |
619c5cb6 | 375 | return vp->get_entry(vp, offset); |
042181f5 VZ |
376 | } |
377 | ||
619c5cb6 | 378 | static bool bnx2x_get_credit_vlan(struct bnx2x_vlan_mac_obj *o) |
042181f5 | 379 | { |
619c5cb6 | 380 | struct bnx2x_credit_pool_obj *vp = o->vlans_pool; |
042181f5 | 381 | |
619c5cb6 | 382 | WARN_ON(!vp); |
042181f5 | 383 | |
619c5cb6 | 384 | return vp->get(vp, 1); |
042181f5 VZ |
385 | } |
386 | ||
619c5cb6 | 387 | static bool bnx2x_get_credit_vlan_mac(struct bnx2x_vlan_mac_obj *o) |
042181f5 | 388 | { |
619c5cb6 VZ |
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; | |
042181f5 | 394 | |
619c5cb6 VZ |
395 | if (!vp->get(vp, 1)) { |
396 | mp->put(mp, 1); | |
397 | return false; | |
398 | } | |
042181f5 | 399 | |
619c5cb6 | 400 | return true; |
042181f5 VZ |
401 | } |
402 | ||
619c5cb6 VZ |
403 | static 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 | } | |
042181f5 | 409 | |
619c5cb6 | 410 | static bool bnx2x_put_credit_mac(struct bnx2x_vlan_mac_obj *o) |
042181f5 | 411 | { |
619c5cb6 | 412 | struct bnx2x_credit_pool_obj *mp = o->macs_pool; |
042181f5 | 413 | |
619c5cb6 | 414 | return mp->put(mp, 1); |
042181f5 VZ |
415 | } |
416 | ||
619c5cb6 | 417 | static bool bnx2x_put_cam_offset_vlan(struct bnx2x_vlan_mac_obj *o, int offset) |
042181f5 | 418 | { |
619c5cb6 VZ |
419 | struct bnx2x_credit_pool_obj *vp = o->vlans_pool; |
420 | ||
421 | return vp->put_entry(vp, offset); | |
422 | } | |
042181f5 | 423 | |
619c5cb6 VZ |
424 | static bool bnx2x_put_credit_vlan(struct bnx2x_vlan_mac_obj *o) |
425 | { | |
426 | struct bnx2x_credit_pool_obj *vp = o->vlans_pool; | |
042181f5 | 427 | |
619c5cb6 | 428 | return vp->put(vp, 1); |
042181f5 VZ |
429 | } |
430 | ||
619c5cb6 | 431 | static bool bnx2x_put_credit_vlan_mac(struct bnx2x_vlan_mac_obj *o) |
042181f5 | 432 | { |
619c5cb6 VZ |
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; | |
042181f5 | 438 | |
619c5cb6 VZ |
439 | if (!vp->put(vp, 1)) { |
440 | mp->get(mp, 1); | |
441 | return false; | |
442 | } | |
042181f5 | 443 | |
619c5cb6 | 444 | return true; |
042181f5 VZ |
445 | } |
446 | ||
ed5162a0 AE |
447 | static 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 | ||
619c5cb6 | 477 | /* check_add() callbacks */ |
51c1a580 MS |
478 | static int bnx2x_check_mac_add(struct bnx2x *bp, |
479 | struct bnx2x_vlan_mac_obj *o, | |
619c5cb6 | 480 | union bnx2x_classification_ramrod_data *data) |
042181f5 | 481 | { |
619c5cb6 VZ |
482 | struct bnx2x_vlan_mac_registry_elem *pos; |
483 | ||
51c1a580 MS |
484 | DP(BNX2X_MSG_SP, "Checking MAC %pM for ADD command\n", data->mac.mac); |
485 | ||
619c5cb6 VZ |
486 | if (!is_valid_ether_addr(data->mac.mac)) |
487 | return -EINVAL; | |
042181f5 | 488 | |
619c5cb6 VZ |
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; | |
042181f5 | 493 | |
619c5cb6 | 494 | return 0; |
042181f5 VZ |
495 | } |
496 | ||
51c1a580 MS |
497 | static int bnx2x_check_vlan_add(struct bnx2x *bp, |
498 | struct bnx2x_vlan_mac_obj *o, | |
619c5cb6 | 499 | union bnx2x_classification_ramrod_data *data) |
042181f5 | 500 | { |
619c5cb6 | 501 | struct bnx2x_vlan_mac_registry_elem *pos; |
042181f5 | 502 | |
51c1a580 MS |
503 | DP(BNX2X_MSG_SP, "Checking VLAN %d for ADD command\n", data->vlan.vlan); |
504 | ||
619c5cb6 VZ |
505 | list_for_each_entry(pos, &o->head, link) |
506 | if (data->vlan.vlan == pos->u.vlan.vlan) | |
507 | return -EEXIST; | |
042181f5 | 508 | |
619c5cb6 | 509 | return 0; |
042181f5 VZ |
510 | } |
511 | ||
51c1a580 MS |
512 | static int bnx2x_check_vlan_mac_add(struct bnx2x *bp, |
513 | struct bnx2x_vlan_mac_obj *o, | |
619c5cb6 | 514 | union bnx2x_classification_ramrod_data *data) |
042181f5 | 515 | { |
619c5cb6 VZ |
516 | struct bnx2x_vlan_mac_registry_elem *pos; |
517 | ||
51c1a580 MS |
518 | DP(BNX2X_MSG_SP, "Checking VLAN_MAC (%pM, %d) for ADD command\n", |
519 | data->vlan_mac.mac, data->vlan_mac.vlan); | |
520 | ||
619c5cb6 VZ |
521 | 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; | |
042181f5 | 526 | |
619c5cb6 | 527 | return 0; |
042181f5 VZ |
528 | } |
529 | ||
619c5cb6 VZ |
530 | |
531 | /* check_del() callbacks */ | |
532 | static struct bnx2x_vlan_mac_registry_elem * | |
51c1a580 MS |
533 | bnx2x_check_mac_del(struct bnx2x *bp, |
534 | struct bnx2x_vlan_mac_obj *o, | |
619c5cb6 | 535 | union bnx2x_classification_ramrod_data *data) |
042181f5 | 536 | { |
619c5cb6 VZ |
537 | struct bnx2x_vlan_mac_registry_elem *pos; |
538 | ||
51c1a580 MS |
539 | DP(BNX2X_MSG_SP, "Checking MAC %pM for DEL command\n", data->mac.mac); |
540 | ||
619c5cb6 VZ |
541 | list_for_each_entry(pos, &o->head, link) |
542 | if (!memcmp(data->mac.mac, pos->u.mac.mac, ETH_ALEN)) | |
543 | return pos; | |
042181f5 | 544 | |
619c5cb6 | 545 | return NULL; |
042181f5 VZ |
546 | } |
547 | ||
619c5cb6 | 548 | static struct bnx2x_vlan_mac_registry_elem * |
51c1a580 MS |
549 | bnx2x_check_vlan_del(struct bnx2x *bp, |
550 | struct bnx2x_vlan_mac_obj *o, | |
619c5cb6 | 551 | union bnx2x_classification_ramrod_data *data) |
042181f5 | 552 | { |
619c5cb6 | 553 | struct bnx2x_vlan_mac_registry_elem *pos; |
042181f5 | 554 | |
51c1a580 MS |
555 | DP(BNX2X_MSG_SP, "Checking VLAN %d for DEL command\n", data->vlan.vlan); |
556 | ||
619c5cb6 VZ |
557 | list_for_each_entry(pos, &o->head, link) |
558 | if (data->vlan.vlan == pos->u.vlan.vlan) | |
559 | return pos; | |
560 | ||
561 | return NULL; | |
042181f5 VZ |
562 | } |
563 | ||
619c5cb6 | 564 | static struct bnx2x_vlan_mac_registry_elem * |
51c1a580 MS |
565 | bnx2x_check_vlan_mac_del(struct bnx2x *bp, |
566 | struct bnx2x_vlan_mac_obj *o, | |
619c5cb6 | 567 | union bnx2x_classification_ramrod_data *data) |
042181f5 | 568 | { |
619c5cb6 VZ |
569 | struct bnx2x_vlan_mac_registry_elem *pos; |
570 | ||
51c1a580 MS |
571 | DP(BNX2X_MSG_SP, "Checking VLAN_MAC (%pM, %d) for DEL command\n", |
572 | data->vlan_mac.mac, data->vlan_mac.vlan); | |
573 | ||
619c5cb6 VZ |
574 | 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; | |
042181f5 | 579 | |
619c5cb6 | 580 | return NULL; |
042181f5 VZ |
581 | } |
582 | ||
619c5cb6 | 583 | /* check_move() callback */ |
51c1a580 MS |
584 | static bool bnx2x_check_move(struct bnx2x *bp, |
585 | struct bnx2x_vlan_mac_obj *src_o, | |
619c5cb6 VZ |
586 | struct bnx2x_vlan_mac_obj *dst_o, |
587 | union bnx2x_classification_ramrod_data *data) | |
042181f5 | 588 | { |
619c5cb6 VZ |
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 | */ | |
51c1a580 | 595 | pos = src_o->check_del(bp, src_o, data); |
619c5cb6 VZ |
596 | |
597 | /* check if configuration can be added */ | |
51c1a580 | 598 | rc = dst_o->check_add(bp, dst_o, data); |
619c5cb6 VZ |
599 | |
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; | |
042181f5 VZ |
607 | } |
608 | ||
619c5cb6 | 609 | static bool bnx2x_check_move_always_err( |
51c1a580 | 610 | struct bnx2x *bp, |
619c5cb6 VZ |
611 | struct bnx2x_vlan_mac_obj *src_o, |
612 | struct bnx2x_vlan_mac_obj *dst_o, | |
613 | union bnx2x_classification_ramrod_data *data) | |
042181f5 | 614 | { |
619c5cb6 | 615 | return false; |
042181f5 VZ |
616 | } |
617 | ||
619c5cb6 VZ |
618 | |
619 | static inline u8 bnx2x_vlan_mac_get_rx_tx_flag(struct bnx2x_vlan_mac_obj *o) | |
042181f5 | 620 | { |
619c5cb6 VZ |
621 | struct bnx2x_raw_obj *raw = &o->raw; |
622 | u8 rx_tx_flag = 0; | |
042181f5 | 623 | |
619c5cb6 VZ |
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; | |
042181f5 | 627 | |
619c5cb6 VZ |
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; | |
042181f5 VZ |
633 | } |
634 | ||
619c5cb6 | 635 | |
a3348722 BW |
636 | void bnx2x_set_mac_in_nig(struct bnx2x *bp, |
637 | bool add, unsigned char *dev_addr, int index) | |
042181f5 | 638 | { |
619c5cb6 VZ |
639 | u32 wb_data[2]; |
640 | u32 reg_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM : | |
641 | NIG_REG_LLH0_FUNC_MEM; | |
642 | ||
a3348722 BW |
643 | if (!IS_MF_SI(bp) && !IS_MF_AFEX(bp)) |
644 | return; | |
645 | ||
646 | if (index > BNX2X_LLH_CAM_MAX_PF_LINE) | |
619c5cb6 VZ |
647 | return; |
648 | ||
649 | DP(BNX2X_MSG_SP, "Going to %s LLH configuration at entry %d\n", | |
650 | (add ? "ADD" : "DELETE"), index); | |
651 | ||
652 | if (add) { | |
653 | /* LLH_FUNC_MEM is a u64 WB register */ | |
654 | reg_offset += 8*index; | |
042181f5 | 655 | |
619c5cb6 VZ |
656 | wb_data[0] = ((dev_addr[2] << 24) | (dev_addr[3] << 16) | |
657 | (dev_addr[4] << 8) | dev_addr[5]); | |
658 | wb_data[1] = ((dev_addr[0] << 8) | dev_addr[1]); | |
042181f5 | 659 | |
619c5cb6 VZ |
660 | REG_WR_DMAE(bp, reg_offset, wb_data, 2); |
661 | } | |
042181f5 | 662 | |
619c5cb6 VZ |
663 | REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM_ENABLE : |
664 | NIG_REG_LLH0_FUNC_MEM_ENABLE) + 4*index, add); | |
665 | } | |
042181f5 | 666 | |
619c5cb6 VZ |
667 | /** |
668 | * bnx2x_vlan_mac_set_cmd_hdr_e2 - set a header in a single classify ramrod | |
669 | * | |
670 | * @bp: device handle | |
671 | * @o: queue for which we want to configure this rule | |
672 | * @add: if true the command is an ADD command, DEL otherwise | |
673 | * @opcode: CLASSIFY_RULE_OPCODE_XXX | |
674 | * @hdr: pointer to a header to setup | |
675 | * | |
676 | */ | |
677 | static inline void bnx2x_vlan_mac_set_cmd_hdr_e2(struct bnx2x *bp, | |
678 | struct bnx2x_vlan_mac_obj *o, bool add, int opcode, | |
679 | struct eth_classify_cmd_header *hdr) | |
680 | { | |
681 | struct bnx2x_raw_obj *raw = &o->raw; | |
042181f5 | 682 | |
619c5cb6 VZ |
683 | hdr->client_id = raw->cl_id; |
684 | hdr->func_id = raw->func_id; | |
042181f5 | 685 | |
619c5cb6 VZ |
686 | /* Rx or/and Tx (internal switching) configuration ? */ |
687 | hdr->cmd_general_data |= | |
688 | bnx2x_vlan_mac_get_rx_tx_flag(o); | |
042181f5 | 689 | |
619c5cb6 VZ |
690 | if (add) |
691 | hdr->cmd_general_data |= ETH_CLASSIFY_CMD_HEADER_IS_ADD; | |
042181f5 | 692 | |
619c5cb6 VZ |
693 | hdr->cmd_general_data |= |
694 | (opcode << ETH_CLASSIFY_CMD_HEADER_OPCODE_SHIFT); | |
695 | } | |
042181f5 | 696 | |
619c5cb6 VZ |
697 | /** |
698 | * bnx2x_vlan_mac_set_rdata_hdr_e2 - set the classify ramrod data header | |
699 | * | |
700 | * @cid: connection id | |
701 | * @type: BNX2X_FILTER_XXX_PENDING | |
702 | * @hdr: poiter to header to setup | |
703 | * @rule_cnt: | |
704 | * | |
705 | * currently we always configure one rule and echo field to contain a CID and an | |
706 | * opcode type. | |
707 | */ | |
708 | static inline void bnx2x_vlan_mac_set_rdata_hdr_e2(u32 cid, int type, | |
709 | struct eth_classify_header *hdr, int rule_cnt) | |
710 | { | |
711 | hdr->echo = (cid & BNX2X_SWCID_MASK) | (type << BNX2X_SWCID_SHIFT); | |
712 | hdr->rule_cnt = (u8)rule_cnt; | |
713 | } | |
042181f5 | 714 | |
042181f5 | 715 | |
619c5cb6 VZ |
716 | /* hw_config() callbacks */ |
717 | static void bnx2x_set_one_mac_e2(struct bnx2x *bp, | |
718 | struct bnx2x_vlan_mac_obj *o, | |
719 | struct bnx2x_exeq_elem *elem, int rule_idx, | |
720 | int cam_offset) | |
721 | { | |
722 | struct bnx2x_raw_obj *raw = &o->raw; | |
723 | struct eth_classify_rules_ramrod_data *data = | |
724 | (struct eth_classify_rules_ramrod_data *)(raw->rdata); | |
725 | int rule_cnt = rule_idx + 1, cmd = elem->cmd_data.vlan_mac.cmd; | |
726 | union eth_classify_rule_cmd *rule_entry = &data->rules[rule_idx]; | |
727 | bool add = (cmd == BNX2X_VLAN_MAC_ADD) ? true : false; | |
728 | unsigned long *vlan_mac_flags = &elem->cmd_data.vlan_mac.vlan_mac_flags; | |
729 | u8 *mac = elem->cmd_data.vlan_mac.u.mac.mac; | |
730 | ||
731 | /* | |
732 | * Set LLH CAM entry: currently only iSCSI and ETH macs are | |
733 | * relevant. In addition, current implementation is tuned for a | |
734 | * single ETH MAC. | |
735 | * | |
736 | * When multiple unicast ETH MACs PF configuration in switch | |
737 | * independent mode is required (NetQ, multiple netdev MACs, | |
738 | * etc.), consider better utilisation of 8 per function MAC | |
739 | * entries in the LLH register. There is also | |
740 | * NIG_REG_P[01]_LLH_FUNC_MEM2 registers that complete the | |
741 | * total number of CAM entries to 16. | |
742 | * | |
743 | * Currently we won't configure NIG for MACs other than a primary ETH | |
744 | * MAC and iSCSI L2 MAC. | |
745 | * | |
746 | * If this MAC is moving from one Queue to another, no need to change | |
747 | * NIG configuration. | |
748 | */ | |
749 | if (cmd != BNX2X_VLAN_MAC_MOVE) { | |
750 | if (test_bit(BNX2X_ISCSI_ETH_MAC, vlan_mac_flags)) | |
751 | bnx2x_set_mac_in_nig(bp, add, mac, | |
0a52fd01 | 752 | BNX2X_LLH_CAM_ISCSI_ETH_LINE); |
619c5cb6 | 753 | else if (test_bit(BNX2X_ETH_MAC, vlan_mac_flags)) |
0a52fd01 YM |
754 | bnx2x_set_mac_in_nig(bp, add, mac, |
755 | BNX2X_LLH_CAM_ETH_LINE); | |
042181f5 VZ |
756 | } |
757 | ||
619c5cb6 VZ |
758 | /* Reset the ramrod data buffer for the first rule */ |
759 | if (rule_idx == 0) | |
760 | memset(data, 0, sizeof(*data)); | |
761 | ||
762 | /* Setup a command header */ | |
763 | bnx2x_vlan_mac_set_cmd_hdr_e2(bp, o, add, CLASSIFY_RULE_OPCODE_MAC, | |
764 | &rule_entry->mac.header); | |
765 | ||
0f9dad10 | 766 | DP(BNX2X_MSG_SP, "About to %s MAC %pM for Queue %d\n", |
51c1a580 | 767 | (add ? "add" : "delete"), mac, raw->cl_id); |
619c5cb6 VZ |
768 | |
769 | /* Set a MAC itself */ | |
770 | bnx2x_set_fw_mac_addr(&rule_entry->mac.mac_msb, | |
771 | &rule_entry->mac.mac_mid, | |
772 | &rule_entry->mac.mac_lsb, mac); | |
773 | ||
774 | /* MOVE: Add a rule that will add this MAC to the target Queue */ | |
775 | if (cmd == BNX2X_VLAN_MAC_MOVE) { | |
776 | rule_entry++; | |
777 | rule_cnt++; | |
778 | ||
779 | /* Setup ramrod data */ | |
780 | bnx2x_vlan_mac_set_cmd_hdr_e2(bp, | |
781 | elem->cmd_data.vlan_mac.target_obj, | |
782 | true, CLASSIFY_RULE_OPCODE_MAC, | |
783 | &rule_entry->mac.header); | |
784 | ||
785 | /* Set a MAC itself */ | |
786 | bnx2x_set_fw_mac_addr(&rule_entry->mac.mac_msb, | |
787 | &rule_entry->mac.mac_mid, | |
788 | &rule_entry->mac.mac_lsb, mac); | |
042181f5 | 789 | } |
619c5cb6 VZ |
790 | |
791 | /* Set the ramrod data header */ | |
792 | /* TODO: take this to the higher level in order to prevent multiple | |
793 | writing */ | |
794 | bnx2x_vlan_mac_set_rdata_hdr_e2(raw->cid, raw->state, &data->header, | |
795 | rule_cnt); | |
042181f5 VZ |
796 | } |
797 | ||
619c5cb6 VZ |
798 | /** |
799 | * bnx2x_vlan_mac_set_rdata_hdr_e1x - set a header in a single classify ramrod | |
800 | * | |
801 | * @bp: device handle | |
802 | * @o: queue | |
803 | * @type: | |
804 | * @cam_offset: offset in cam memory | |
805 | * @hdr: pointer to a header to setup | |
806 | * | |
807 | * E1/E1H | |
808 | */ | |
809 | static inline void bnx2x_vlan_mac_set_rdata_hdr_e1x(struct bnx2x *bp, | |
810 | struct bnx2x_vlan_mac_obj *o, int type, int cam_offset, | |
811 | struct mac_configuration_hdr *hdr) | |
042181f5 | 812 | { |
619c5cb6 | 813 | struct bnx2x_raw_obj *r = &o->raw; |
042181f5 | 814 | |
619c5cb6 VZ |
815 | hdr->length = 1; |
816 | hdr->offset = (u8)cam_offset; | |
817 | hdr->client_id = 0xff; | |
818 | hdr->echo = ((r->cid & BNX2X_SWCID_MASK) | (type << BNX2X_SWCID_SHIFT)); | |
819 | } | |
042181f5 | 820 | |
619c5cb6 VZ |
821 | static inline void bnx2x_vlan_mac_set_cfg_entry_e1x(struct bnx2x *bp, |
822 | struct bnx2x_vlan_mac_obj *o, bool add, int opcode, u8 *mac, | |
823 | u16 vlan_id, struct mac_configuration_entry *cfg_entry) | |
824 | { | |
825 | struct bnx2x_raw_obj *r = &o->raw; | |
826 | u32 cl_bit_vec = (1 << r->cl_id); | |
827 | ||
828 | cfg_entry->clients_bit_vector = cpu_to_le32(cl_bit_vec); | |
829 | cfg_entry->pf_id = r->func_id; | |
830 | cfg_entry->vlan_id = cpu_to_le16(vlan_id); | |
831 | ||
832 | if (add) { | |
833 | SET_FLAG(cfg_entry->flags, MAC_CONFIGURATION_ENTRY_ACTION_TYPE, | |
834 | T_ETH_MAC_COMMAND_SET); | |
835 | SET_FLAG(cfg_entry->flags, | |
836 | MAC_CONFIGURATION_ENTRY_VLAN_FILTERING_MODE, opcode); | |
837 | ||
838 | /* Set a MAC in a ramrod data */ | |
839 | bnx2x_set_fw_mac_addr(&cfg_entry->msb_mac_addr, | |
840 | &cfg_entry->middle_mac_addr, | |
841 | &cfg_entry->lsb_mac_addr, mac); | |
842 | } else | |
843 | SET_FLAG(cfg_entry->flags, MAC_CONFIGURATION_ENTRY_ACTION_TYPE, | |
844 | T_ETH_MAC_COMMAND_INVALIDATE); | |
845 | } | |
042181f5 | 846 | |
619c5cb6 VZ |
847 | static inline void bnx2x_vlan_mac_set_rdata_e1x(struct bnx2x *bp, |
848 | struct bnx2x_vlan_mac_obj *o, int type, int cam_offset, bool add, | |
849 | u8 *mac, u16 vlan_id, int opcode, struct mac_configuration_cmd *config) | |
850 | { | |
851 | struct mac_configuration_entry *cfg_entry = &config->config_table[0]; | |
852 | struct bnx2x_raw_obj *raw = &o->raw; | |
042181f5 | 853 | |
619c5cb6 VZ |
854 | bnx2x_vlan_mac_set_rdata_hdr_e1x(bp, o, type, cam_offset, |
855 | &config->hdr); | |
856 | bnx2x_vlan_mac_set_cfg_entry_e1x(bp, o, add, opcode, mac, vlan_id, | |
857 | cfg_entry); | |
042181f5 | 858 | |
0f9dad10 | 859 | DP(BNX2X_MSG_SP, "%s MAC %pM CLID %d CAM offset %d\n", |
51c1a580 | 860 | (add ? "setting" : "clearing"), |
0f9dad10 | 861 | mac, raw->cl_id, cam_offset); |
042181f5 VZ |
862 | } |
863 | ||
619c5cb6 VZ |
864 | /** |
865 | * bnx2x_set_one_mac_e1x - fill a single MAC rule ramrod data | |
866 | * | |
867 | * @bp: device handle | |
868 | * @o: bnx2x_vlan_mac_obj | |
869 | * @elem: bnx2x_exeq_elem | |
870 | * @rule_idx: rule_idx | |
871 | * @cam_offset: cam_offset | |
872 | */ | |
873 | static void bnx2x_set_one_mac_e1x(struct bnx2x *bp, | |
874 | struct bnx2x_vlan_mac_obj *o, | |
875 | struct bnx2x_exeq_elem *elem, int rule_idx, | |
876 | int cam_offset) | |
042181f5 | 877 | { |
619c5cb6 VZ |
878 | struct bnx2x_raw_obj *raw = &o->raw; |
879 | struct mac_configuration_cmd *config = | |
880 | (struct mac_configuration_cmd *)(raw->rdata); | |
881 | /* | |
882 | * 57710 and 57711 do not support MOVE command, | |
883 | * so it's either ADD or DEL | |
884 | */ | |
885 | bool add = (elem->cmd_data.vlan_mac.cmd == BNX2X_VLAN_MAC_ADD) ? | |
886 | true : false; | |
042181f5 | 887 | |
619c5cb6 VZ |
888 | /* Reset the ramrod data buffer */ |
889 | memset(config, 0, sizeof(*config)); | |
042181f5 | 890 | |
33ac338c | 891 | bnx2x_vlan_mac_set_rdata_e1x(bp, o, raw->state, |
619c5cb6 VZ |
892 | cam_offset, add, |
893 | elem->cmd_data.vlan_mac.u.mac.mac, 0, | |
894 | ETH_VLAN_FILTER_ANY_VLAN, config); | |
895 | } | |
042181f5 | 896 | |
619c5cb6 VZ |
897 | static void bnx2x_set_one_vlan_e2(struct bnx2x *bp, |
898 | struct bnx2x_vlan_mac_obj *o, | |
899 | struct bnx2x_exeq_elem *elem, int rule_idx, | |
900 | int cam_offset) | |
901 | { | |
902 | struct bnx2x_raw_obj *raw = &o->raw; | |
903 | struct eth_classify_rules_ramrod_data *data = | |
904 | (struct eth_classify_rules_ramrod_data *)(raw->rdata); | |
905 | int rule_cnt = rule_idx + 1; | |
906 | union eth_classify_rule_cmd *rule_entry = &data->rules[rule_idx]; | |
907 | int cmd = elem->cmd_data.vlan_mac.cmd; | |
908 | bool add = (cmd == BNX2X_VLAN_MAC_ADD) ? true : false; | |
909 | u16 vlan = elem->cmd_data.vlan_mac.u.vlan.vlan; | |
910 | ||
911 | /* Reset the ramrod data buffer for the first rule */ | |
912 | if (rule_idx == 0) | |
913 | memset(data, 0, sizeof(*data)); | |
914 | ||
915 | /* Set a rule header */ | |
916 | bnx2x_vlan_mac_set_cmd_hdr_e2(bp, o, add, CLASSIFY_RULE_OPCODE_VLAN, | |
917 | &rule_entry->vlan.header); | |
918 | ||
919 | DP(BNX2X_MSG_SP, "About to %s VLAN %d\n", (add ? "add" : "delete"), | |
920 | vlan); | |
921 | ||
922 | /* Set a VLAN itself */ | |
923 | rule_entry->vlan.vlan = cpu_to_le16(vlan); | |
924 | ||
925 | /* MOVE: Add a rule that will add this MAC to the target Queue */ | |
926 | if (cmd == BNX2X_VLAN_MAC_MOVE) { | |
927 | rule_entry++; | |
928 | rule_cnt++; | |
929 | ||
930 | /* Setup ramrod data */ | |
931 | bnx2x_vlan_mac_set_cmd_hdr_e2(bp, | |
932 | elem->cmd_data.vlan_mac.target_obj, | |
933 | true, CLASSIFY_RULE_OPCODE_VLAN, | |
934 | &rule_entry->vlan.header); | |
935 | ||
936 | /* Set a VLAN itself */ | |
937 | rule_entry->vlan.vlan = cpu_to_le16(vlan); | |
938 | } | |
042181f5 | 939 | |
619c5cb6 VZ |
940 | /* Set the ramrod data header */ |
941 | /* TODO: take this to the higher level in order to prevent multiple | |
942 | writing */ | |
943 | bnx2x_vlan_mac_set_rdata_hdr_e2(raw->cid, raw->state, &data->header, | |
944 | rule_cnt); | |
945 | } | |
042181f5 | 946 | |
619c5cb6 VZ |
947 | static void bnx2x_set_one_vlan_mac_e2(struct bnx2x *bp, |
948 | struct bnx2x_vlan_mac_obj *o, | |
949 | struct bnx2x_exeq_elem *elem, | |
950 | int rule_idx, int cam_offset) | |
951 | { | |
952 | struct bnx2x_raw_obj *raw = &o->raw; | |
953 | struct eth_classify_rules_ramrod_data *data = | |
954 | (struct eth_classify_rules_ramrod_data *)(raw->rdata); | |
955 | int rule_cnt = rule_idx + 1; | |
956 | union eth_classify_rule_cmd *rule_entry = &data->rules[rule_idx]; | |
957 | int cmd = elem->cmd_data.vlan_mac.cmd; | |
958 | bool add = (cmd == BNX2X_VLAN_MAC_ADD) ? true : false; | |
959 | u16 vlan = elem->cmd_data.vlan_mac.u.vlan_mac.vlan; | |
960 | u8 *mac = elem->cmd_data.vlan_mac.u.vlan_mac.mac; | |
961 | ||
962 | ||
963 | /* Reset the ramrod data buffer for the first rule */ | |
964 | if (rule_idx == 0) | |
965 | memset(data, 0, sizeof(*data)); | |
966 | ||
967 | /* Set a rule header */ | |
968 | bnx2x_vlan_mac_set_cmd_hdr_e2(bp, o, add, CLASSIFY_RULE_OPCODE_PAIR, | |
969 | &rule_entry->pair.header); | |
970 | ||
971 | /* Set VLAN and MAC themselvs */ | |
972 | rule_entry->pair.vlan = cpu_to_le16(vlan); | |
973 | bnx2x_set_fw_mac_addr(&rule_entry->pair.mac_msb, | |
974 | &rule_entry->pair.mac_mid, | |
975 | &rule_entry->pair.mac_lsb, mac); | |
976 | ||
977 | /* MOVE: Add a rule that will add this MAC to the target Queue */ | |
978 | if (cmd == BNX2X_VLAN_MAC_MOVE) { | |
979 | rule_entry++; | |
980 | rule_cnt++; | |
981 | ||
982 | /* Setup ramrod data */ | |
983 | bnx2x_vlan_mac_set_cmd_hdr_e2(bp, | |
984 | elem->cmd_data.vlan_mac.target_obj, | |
985 | true, CLASSIFY_RULE_OPCODE_PAIR, | |
986 | &rule_entry->pair.header); | |
987 | ||
988 | /* Set a VLAN itself */ | |
989 | rule_entry->pair.vlan = cpu_to_le16(vlan); | |
990 | bnx2x_set_fw_mac_addr(&rule_entry->pair.mac_msb, | |
991 | &rule_entry->pair.mac_mid, | |
992 | &rule_entry->pair.mac_lsb, mac); | |
042181f5 VZ |
993 | } |
994 | ||
619c5cb6 VZ |
995 | /* Set the ramrod data header */ |
996 | /* TODO: take this to the higher level in order to prevent multiple | |
997 | writing */ | |
998 | bnx2x_vlan_mac_set_rdata_hdr_e2(raw->cid, raw->state, &data->header, | |
999 | rule_cnt); | |
1000 | } | |
042181f5 | 1001 | |
619c5cb6 VZ |
1002 | /** |
1003 | * bnx2x_set_one_vlan_mac_e1h - | |
1004 | * | |
1005 | * @bp: device handle | |
1006 | * @o: bnx2x_vlan_mac_obj | |
1007 | * @elem: bnx2x_exeq_elem | |
1008 | * @rule_idx: rule_idx | |
1009 | * @cam_offset: cam_offset | |
1010 | */ | |
1011 | static void bnx2x_set_one_vlan_mac_e1h(struct bnx2x *bp, | |
1012 | struct bnx2x_vlan_mac_obj *o, | |
1013 | struct bnx2x_exeq_elem *elem, | |
1014 | int rule_idx, int cam_offset) | |
1015 | { | |
1016 | struct bnx2x_raw_obj *raw = &o->raw; | |
1017 | struct mac_configuration_cmd *config = | |
1018 | (struct mac_configuration_cmd *)(raw->rdata); | |
1019 | /* | |
1020 | * 57710 and 57711 do not support MOVE command, | |
1021 | * so it's either ADD or DEL | |
042181f5 | 1022 | */ |
619c5cb6 VZ |
1023 | bool add = (elem->cmd_data.vlan_mac.cmd == BNX2X_VLAN_MAC_ADD) ? |
1024 | true : false; | |
042181f5 | 1025 | |
619c5cb6 VZ |
1026 | /* Reset the ramrod data buffer */ |
1027 | memset(config, 0, sizeof(*config)); | |
042181f5 | 1028 | |
619c5cb6 VZ |
1029 | bnx2x_vlan_mac_set_rdata_e1x(bp, o, BNX2X_FILTER_VLAN_MAC_PENDING, |
1030 | cam_offset, add, | |
1031 | elem->cmd_data.vlan_mac.u.vlan_mac.mac, | |
1032 | elem->cmd_data.vlan_mac.u.vlan_mac.vlan, | |
1033 | ETH_VLAN_FILTER_CLASSIFY, config); | |
042181f5 VZ |
1034 | } |
1035 | ||
619c5cb6 VZ |
1036 | #define list_next_entry(pos, member) \ |
1037 | list_entry((pos)->member.next, typeof(*(pos)), member) | |
1038 | ||
1039 | /** | |
1040 | * bnx2x_vlan_mac_restore - reconfigure next MAC/VLAN/VLAN-MAC element | |
1041 | * | |
1042 | * @bp: device handle | |
1043 | * @p: command parameters | |
1044 | * @ppos: pointer to the cooky | |
1045 | * | |
1046 | * reconfigure next MAC/VLAN/VLAN-MAC element from the | |
1047 | * previously configured elements list. | |
1048 | * | |
1049 | * from command parameters only RAMROD_COMP_WAIT bit in ramrod_flags is taken | |
1050 | * into an account | |
1051 | * | |
1052 | * pointer to the cooky - that should be given back in the next call to make | |
1053 | * function handle the next element. If *ppos is set to NULL it will restart the | |
1054 | * iterator. If returned *ppos == NULL this means that the last element has been | |
1055 | * handled. | |
1056 | * | |
1057 | */ | |
1058 | static int bnx2x_vlan_mac_restore(struct bnx2x *bp, | |
1059 | struct bnx2x_vlan_mac_ramrod_params *p, | |
1060 | struct bnx2x_vlan_mac_registry_elem **ppos) | |
1061 | { | |
1062 | struct bnx2x_vlan_mac_registry_elem *pos; | |
1063 | struct bnx2x_vlan_mac_obj *o = p->vlan_mac_obj; | |
1064 | ||
1065 | /* If list is empty - there is nothing to do here */ | |
1066 | if (list_empty(&o->head)) { | |
1067 | *ppos = NULL; | |
1068 | return 0; | |
1069 | } | |
1070 | ||
1071 | /* make a step... */ | |
1072 | if (*ppos == NULL) | |
1073 | *ppos = list_first_entry(&o->head, | |
1074 | struct bnx2x_vlan_mac_registry_elem, | |
1075 | link); | |
1076 | else | |
1077 | *ppos = list_next_entry(*ppos, link); | |
1078 | ||
1079 | pos = *ppos; | |
1080 | ||
1081 | /* If it's the last step - return NULL */ | |
1082 | if (list_is_last(&pos->link, &o->head)) | |
1083 | *ppos = NULL; | |
1084 | ||
1085 | /* Prepare a 'user_req' */ | |
1086 | memcpy(&p->user_req.u, &pos->u, sizeof(pos->u)); | |
1087 | ||
1088 | /* Set the command */ | |
1089 | p->user_req.cmd = BNX2X_VLAN_MAC_ADD; | |
1090 | ||
1091 | /* Set vlan_mac_flags */ | |
1092 | p->user_req.vlan_mac_flags = pos->vlan_mac_flags; | |
1093 | ||
1094 | /* Set a restore bit */ | |
1095 | __set_bit(RAMROD_RESTORE, &p->ramrod_flags); | |
1096 | ||
1097 | return bnx2x_config_vlan_mac(bp, p); | |
1098 | } | |
1099 | ||
1100 | /* | |
1101 | * bnx2x_exeq_get_mac/bnx2x_exeq_get_vlan/bnx2x_exeq_get_vlan_mac return a | |
1102 | * pointer to an element with a specific criteria and NULL if such an element | |
1103 | * hasn't been found. | |
1104 | */ | |
1105 | static struct bnx2x_exeq_elem *bnx2x_exeq_get_mac( | |
1106 | struct bnx2x_exe_queue_obj *o, | |
1107 | struct bnx2x_exeq_elem *elem) | |
1108 | { | |
1109 | struct bnx2x_exeq_elem *pos; | |
1110 | struct bnx2x_mac_ramrod_data *data = &elem->cmd_data.vlan_mac.u.mac; | |
1111 | ||
1112 | /* Check pending for execution commands */ | |
1113 | list_for_each_entry(pos, &o->exe_queue, link) | |
1114 | if (!memcmp(&pos->cmd_data.vlan_mac.u.mac, data, | |
1115 | sizeof(*data)) && | |
1116 | (pos->cmd_data.vlan_mac.cmd == elem->cmd_data.vlan_mac.cmd)) | |
1117 | return pos; | |
1118 | ||
1119 | return NULL; | |
1120 | } | |
1121 | ||
1122 | static struct bnx2x_exeq_elem *bnx2x_exeq_get_vlan( | |
1123 | struct bnx2x_exe_queue_obj *o, | |
1124 | struct bnx2x_exeq_elem *elem) | |
1125 | { | |
1126 | struct bnx2x_exeq_elem *pos; | |
1127 | struct bnx2x_vlan_ramrod_data *data = &elem->cmd_data.vlan_mac.u.vlan; | |
1128 | ||
1129 | /* Check pending for execution commands */ | |
1130 | list_for_each_entry(pos, &o->exe_queue, link) | |
1131 | if (!memcmp(&pos->cmd_data.vlan_mac.u.vlan, data, | |
1132 | sizeof(*data)) && | |
1133 | (pos->cmd_data.vlan_mac.cmd == elem->cmd_data.vlan_mac.cmd)) | |
1134 | return pos; | |
1135 | ||
1136 | return NULL; | |
1137 | } | |
1138 | ||
1139 | static struct bnx2x_exeq_elem *bnx2x_exeq_get_vlan_mac( | |
1140 | struct bnx2x_exe_queue_obj *o, | |
1141 | struct bnx2x_exeq_elem *elem) | |
1142 | { | |
1143 | struct bnx2x_exeq_elem *pos; | |
1144 | struct bnx2x_vlan_mac_ramrod_data *data = | |
1145 | &elem->cmd_data.vlan_mac.u.vlan_mac; | |
1146 | ||
1147 | /* Check pending for execution commands */ | |
1148 | list_for_each_entry(pos, &o->exe_queue, link) | |
1149 | if (!memcmp(&pos->cmd_data.vlan_mac.u.vlan_mac, data, | |
1150 | sizeof(*data)) && | |
1151 | (pos->cmd_data.vlan_mac.cmd == elem->cmd_data.vlan_mac.cmd)) | |
1152 | return pos; | |
1153 | ||
1154 | return NULL; | |
1155 | } | |
1156 | ||
1157 | /** | |
1158 | * bnx2x_validate_vlan_mac_add - check if an ADD command can be executed | |
1159 | * | |
1160 | * @bp: device handle | |
1161 | * @qo: bnx2x_qable_obj | |
1162 | * @elem: bnx2x_exeq_elem | |
1163 | * | |
1164 | * Checks that the requested configuration can be added. If yes and if | |
1165 | * requested, consume CAM credit. | |
1166 | * | |
1167 | * The 'validate' is run after the 'optimize'. | |
1168 | * | |
1169 | */ | |
1170 | static inline int bnx2x_validate_vlan_mac_add(struct bnx2x *bp, | |
1171 | union bnx2x_qable_obj *qo, | |
1172 | struct bnx2x_exeq_elem *elem) | |
1173 | { | |
1174 | struct bnx2x_vlan_mac_obj *o = &qo->vlan_mac; | |
1175 | struct bnx2x_exe_queue_obj *exeq = &o->exe_queue; | |
1176 | int rc; | |
1177 | ||
1178 | /* Check the registry */ | |
51c1a580 | 1179 | rc = o->check_add(bp, o, &elem->cmd_data.vlan_mac.u); |
619c5cb6 | 1180 | if (rc) { |
51c1a580 | 1181 | DP(BNX2X_MSG_SP, "ADD command is not allowed considering current registry state.\n"); |
619c5cb6 VZ |
1182 | return rc; |
1183 | } | |
1184 | ||
1185 | /* | |
1186 | * Check if there is a pending ADD command for this | |
1187 | * MAC/VLAN/VLAN-MAC. Return an error if there is. | |
1188 | */ | |
1189 | if (exeq->get(exeq, elem)) { | |
1190 | DP(BNX2X_MSG_SP, "There is a pending ADD command already\n"); | |
1191 | return -EEXIST; | |
1192 | } | |
1193 | ||
1194 | /* | |
1195 | * TODO: Check the pending MOVE from other objects where this | |
1196 | * object is a destination object. | |
1197 | */ | |
1198 | ||
1199 | /* Consume the credit if not requested not to */ | |
1200 | if (!(test_bit(BNX2X_DONT_CONSUME_CAM_CREDIT, | |
1201 | &elem->cmd_data.vlan_mac.vlan_mac_flags) || | |
1202 | o->get_credit(o))) | |
1203 | return -EINVAL; | |
1204 | ||
1205 | return 0; | |
1206 | } | |
1207 | ||
1208 | /** | |
1209 | * bnx2x_validate_vlan_mac_del - check if the DEL command can be executed | |
1210 | * | |
1211 | * @bp: device handle | |
1212 | * @qo: quable object to check | |
1213 | * @elem: element that needs to be deleted | |
1214 | * | |
1215 | * Checks that the requested configuration can be deleted. If yes and if | |
1216 | * requested, returns a CAM credit. | |
1217 | * | |
1218 | * The 'validate' is run after the 'optimize'. | |
1219 | */ | |
1220 | static inline int bnx2x_validate_vlan_mac_del(struct bnx2x *bp, | |
1221 | union bnx2x_qable_obj *qo, | |
1222 | struct bnx2x_exeq_elem *elem) | |
1223 | { | |
1224 | struct bnx2x_vlan_mac_obj *o = &qo->vlan_mac; | |
1225 | struct bnx2x_vlan_mac_registry_elem *pos; | |
1226 | struct bnx2x_exe_queue_obj *exeq = &o->exe_queue; | |
1227 | struct bnx2x_exeq_elem query_elem; | |
1228 | ||
1229 | /* If this classification can not be deleted (doesn't exist) | |
1230 | * - return a BNX2X_EXIST. | |
1231 | */ | |
51c1a580 | 1232 | pos = o->check_del(bp, o, &elem->cmd_data.vlan_mac.u); |
619c5cb6 | 1233 | if (!pos) { |
51c1a580 | 1234 | DP(BNX2X_MSG_SP, "DEL command is not allowed considering current registry state\n"); |
619c5cb6 VZ |
1235 | return -EEXIST; |
1236 | } | |
1237 | ||
1238 | /* | |
1239 | * Check if there are pending DEL or MOVE commands for this | |
1240 | * MAC/VLAN/VLAN-MAC. Return an error if so. | |
1241 | */ | |
1242 | memcpy(&query_elem, elem, sizeof(query_elem)); | |
1243 | ||
1244 | /* Check for MOVE commands */ | |
1245 | query_elem.cmd_data.vlan_mac.cmd = BNX2X_VLAN_MAC_MOVE; | |
1246 | if (exeq->get(exeq, &query_elem)) { | |
1247 | BNX2X_ERR("There is a pending MOVE command already\n"); | |
1248 | return -EINVAL; | |
1249 | } | |
1250 | ||
1251 | /* Check for DEL commands */ | |
1252 | if (exeq->get(exeq, elem)) { | |
1253 | DP(BNX2X_MSG_SP, "There is a pending DEL command already\n"); | |
1254 | return -EEXIST; | |
1255 | } | |
1256 | ||
1257 | /* Return the credit to the credit pool if not requested not to */ | |
1258 | if (!(test_bit(BNX2X_DONT_CONSUME_CAM_CREDIT, | |
1259 | &elem->cmd_data.vlan_mac.vlan_mac_flags) || | |
1260 | o->put_credit(o))) { | |
1261 | BNX2X_ERR("Failed to return a credit\n"); | |
1262 | return -EINVAL; | |
1263 | } | |
1264 | ||
1265 | return 0; | |
1266 | } | |
1267 | ||
1268 | /** | |
1269 | * bnx2x_validate_vlan_mac_move - check if the MOVE command can be executed | |
1270 | * | |
1271 | * @bp: device handle | |
1272 | * @qo: quable object to check (source) | |
1273 | * @elem: element that needs to be moved | |
1274 | * | |
1275 | * Checks that the requested configuration can be moved. If yes and if | |
1276 | * requested, returns a CAM credit. | |
1277 | * | |
1278 | * The 'validate' is run after the 'optimize'. | |
1279 | */ | |
1280 | static inline int bnx2x_validate_vlan_mac_move(struct bnx2x *bp, | |
1281 | union bnx2x_qable_obj *qo, | |
1282 | struct bnx2x_exeq_elem *elem) | |
1283 | { | |
1284 | struct bnx2x_vlan_mac_obj *src_o = &qo->vlan_mac; | |
1285 | struct bnx2x_vlan_mac_obj *dest_o = elem->cmd_data.vlan_mac.target_obj; | |
1286 | struct bnx2x_exeq_elem query_elem; | |
1287 | struct bnx2x_exe_queue_obj *src_exeq = &src_o->exe_queue; | |
1288 | struct bnx2x_exe_queue_obj *dest_exeq = &dest_o->exe_queue; | |
1289 | ||
1290 | /* | |
1291 | * Check if we can perform this operation based on the current registry | |
1292 | * state. | |
1293 | */ | |
51c1a580 MS |
1294 | if (!src_o->check_move(bp, src_o, dest_o, |
1295 | &elem->cmd_data.vlan_mac.u)) { | |
1296 | DP(BNX2X_MSG_SP, "MOVE command is not allowed considering current registry state\n"); | |
619c5cb6 VZ |
1297 | return -EINVAL; |
1298 | } | |
1299 | ||
1300 | /* | |
1301 | * Check if there is an already pending DEL or MOVE command for the | |
1302 | * source object or ADD command for a destination object. Return an | |
1303 | * error if so. | |
1304 | */ | |
1305 | memcpy(&query_elem, elem, sizeof(query_elem)); | |
1306 | ||
1307 | /* Check DEL on source */ | |
1308 | query_elem.cmd_data.vlan_mac.cmd = BNX2X_VLAN_MAC_DEL; | |
1309 | if (src_exeq->get(src_exeq, &query_elem)) { | |
51c1a580 | 1310 | BNX2X_ERR("There is a pending DEL command on the source queue already\n"); |
619c5cb6 VZ |
1311 | return -EINVAL; |
1312 | } | |
1313 | ||
1314 | /* Check MOVE on source */ | |
1315 | if (src_exeq->get(src_exeq, elem)) { | |
1316 | DP(BNX2X_MSG_SP, "There is a pending MOVE command already\n"); | |
1317 | return -EEXIST; | |
1318 | } | |
1319 | ||
1320 | /* Check ADD on destination */ | |
1321 | query_elem.cmd_data.vlan_mac.cmd = BNX2X_VLAN_MAC_ADD; | |
1322 | if (dest_exeq->get(dest_exeq, &query_elem)) { | |
51c1a580 | 1323 | BNX2X_ERR("There is a pending ADD command on the destination queue already\n"); |
619c5cb6 VZ |
1324 | return -EINVAL; |
1325 | } | |
1326 | ||
1327 | /* Consume the credit if not requested not to */ | |
1328 | if (!(test_bit(BNX2X_DONT_CONSUME_CAM_CREDIT_DEST, | |
1329 | &elem->cmd_data.vlan_mac.vlan_mac_flags) || | |
1330 | dest_o->get_credit(dest_o))) | |
1331 | return -EINVAL; | |
1332 | ||
1333 | if (!(test_bit(BNX2X_DONT_CONSUME_CAM_CREDIT, | |
1334 | &elem->cmd_data.vlan_mac.vlan_mac_flags) || | |
1335 | src_o->put_credit(src_o))) { | |
1336 | /* return the credit taken from dest... */ | |
1337 | dest_o->put_credit(dest_o); | |
1338 | return -EINVAL; | |
1339 | } | |
1340 | ||
1341 | return 0; | |
1342 | } | |
1343 | ||
1344 | static int bnx2x_validate_vlan_mac(struct bnx2x *bp, | |
1345 | union bnx2x_qable_obj *qo, | |
1346 | struct bnx2x_exeq_elem *elem) | |
1347 | { | |
1348 | switch (elem->cmd_data.vlan_mac.cmd) { | |
1349 | case BNX2X_VLAN_MAC_ADD: | |
1350 | return bnx2x_validate_vlan_mac_add(bp, qo, elem); | |
1351 | case BNX2X_VLAN_MAC_DEL: | |
1352 | return bnx2x_validate_vlan_mac_del(bp, qo, elem); | |
1353 | case BNX2X_VLAN_MAC_MOVE: | |
1354 | return bnx2x_validate_vlan_mac_move(bp, qo, elem); | |
1355 | default: | |
1356 | return -EINVAL; | |
1357 | } | |
1358 | } | |
1359 | ||
460a25cd YM |
1360 | static int bnx2x_remove_vlan_mac(struct bnx2x *bp, |
1361 | union bnx2x_qable_obj *qo, | |
1362 | struct bnx2x_exeq_elem *elem) | |
1363 | { | |
1364 | int rc = 0; | |
1365 | ||
1366 | /* If consumption wasn't required, nothing to do */ | |
1367 | if (test_bit(BNX2X_DONT_CONSUME_CAM_CREDIT, | |
1368 | &elem->cmd_data.vlan_mac.vlan_mac_flags)) | |
1369 | return 0; | |
1370 | ||
1371 | switch (elem->cmd_data.vlan_mac.cmd) { | |
1372 | case BNX2X_VLAN_MAC_ADD: | |
1373 | case BNX2X_VLAN_MAC_MOVE: | |
1374 | rc = qo->vlan_mac.put_credit(&qo->vlan_mac); | |
1375 | break; | |
1376 | case BNX2X_VLAN_MAC_DEL: | |
1377 | rc = qo->vlan_mac.get_credit(&qo->vlan_mac); | |
1378 | break; | |
1379 | default: | |
1380 | return -EINVAL; | |
1381 | } | |
1382 | ||
1383 | if (rc != true) | |
1384 | return -EINVAL; | |
1385 | ||
1386 | return 0; | |
1387 | } | |
1388 | ||
619c5cb6 VZ |
1389 | /** |
1390 | * bnx2x_wait_vlan_mac - passivly wait for 5 seconds until all work completes. | |
1391 | * | |
1392 | * @bp: device handle | |
1393 | * @o: bnx2x_vlan_mac_obj | |
1394 | * | |
1395 | */ | |
1396 | static int bnx2x_wait_vlan_mac(struct bnx2x *bp, | |
1397 | struct bnx2x_vlan_mac_obj *o) | |
1398 | { | |
1399 | int cnt = 5000, rc; | |
1400 | struct bnx2x_exe_queue_obj *exeq = &o->exe_queue; | |
1401 | struct bnx2x_raw_obj *raw = &o->raw; | |
1402 | ||
1403 | while (cnt--) { | |
1404 | /* Wait for the current command to complete */ | |
1405 | rc = raw->wait_comp(bp, raw); | |
1406 | if (rc) | |
1407 | return rc; | |
1408 | ||
1409 | /* Wait until there are no pending commands */ | |
1410 | if (!bnx2x_exe_queue_empty(exeq)) | |
1411 | usleep_range(1000, 1000); | |
1412 | else | |
1413 | return 0; | |
1414 | } | |
1415 | ||
1416 | return -EBUSY; | |
1417 | } | |
1418 | ||
1419 | /** | |
1420 | * bnx2x_complete_vlan_mac - complete one VLAN-MAC ramrod | |
1421 | * | |
1422 | * @bp: device handle | |
1423 | * @o: bnx2x_vlan_mac_obj | |
1424 | * @cqe: | |
1425 | * @cont: if true schedule next execution chunk | |
1426 | * | |
1427 | */ | |
1428 | static int bnx2x_complete_vlan_mac(struct bnx2x *bp, | |
1429 | struct bnx2x_vlan_mac_obj *o, | |
1430 | union event_ring_elem *cqe, | |
1431 | unsigned long *ramrod_flags) | |
1432 | { | |
1433 | struct bnx2x_raw_obj *r = &o->raw; | |
1434 | int rc; | |
1435 | ||
1436 | /* Reset pending list */ | |
1437 | bnx2x_exe_queue_reset_pending(bp, &o->exe_queue); | |
1438 | ||
1439 | /* Clear pending */ | |
1440 | r->clear_pending(r); | |
1441 | ||
1442 | /* If ramrod failed this is most likely a SW bug */ | |
1443 | if (cqe->message.error) | |
1444 | return -EINVAL; | |
1445 | ||
1446 | /* Run the next bulk of pending commands if requeted */ | |
1447 | if (test_bit(RAMROD_CONT, ramrod_flags)) { | |
1448 | rc = bnx2x_exe_queue_step(bp, &o->exe_queue, ramrod_flags); | |
1449 | if (rc < 0) | |
1450 | return rc; | |
1451 | } | |
1452 | ||
1453 | /* If there is more work to do return PENDING */ | |
1454 | if (!bnx2x_exe_queue_empty(&o->exe_queue)) | |
1455 | return 1; | |
1456 | ||
1457 | return 0; | |
1458 | } | |
1459 | ||
1460 | /** | |
1461 | * bnx2x_optimize_vlan_mac - optimize ADD and DEL commands. | |
1462 | * | |
1463 | * @bp: device handle | |
1464 | * @o: bnx2x_qable_obj | |
1465 | * @elem: bnx2x_exeq_elem | |
1466 | */ | |
1467 | static int bnx2x_optimize_vlan_mac(struct bnx2x *bp, | |
1468 | union bnx2x_qable_obj *qo, | |
1469 | struct bnx2x_exeq_elem *elem) | |
1470 | { | |
1471 | struct bnx2x_exeq_elem query, *pos; | |
1472 | struct bnx2x_vlan_mac_obj *o = &qo->vlan_mac; | |
1473 | struct bnx2x_exe_queue_obj *exeq = &o->exe_queue; | |
1474 | ||
1475 | memcpy(&query, elem, sizeof(query)); | |
1476 | ||
1477 | switch (elem->cmd_data.vlan_mac.cmd) { | |
1478 | case BNX2X_VLAN_MAC_ADD: | |
1479 | query.cmd_data.vlan_mac.cmd = BNX2X_VLAN_MAC_DEL; | |
1480 | break; | |
1481 | case BNX2X_VLAN_MAC_DEL: | |
1482 | query.cmd_data.vlan_mac.cmd = BNX2X_VLAN_MAC_ADD; | |
1483 | break; | |
1484 | default: | |
1485 | /* Don't handle anything other than ADD or DEL */ | |
1486 | return 0; | |
1487 | } | |
1488 | ||
1489 | /* If we found the appropriate element - delete it */ | |
1490 | pos = exeq->get(exeq, &query); | |
1491 | if (pos) { | |
1492 | ||
1493 | /* Return the credit of the optimized command */ | |
1494 | if (!test_bit(BNX2X_DONT_CONSUME_CAM_CREDIT, | |
1495 | &pos->cmd_data.vlan_mac.vlan_mac_flags)) { | |
1496 | if ((query.cmd_data.vlan_mac.cmd == | |
1497 | BNX2X_VLAN_MAC_ADD) && !o->put_credit(o)) { | |
51c1a580 | 1498 | BNX2X_ERR("Failed to return the credit for the optimized ADD command\n"); |
619c5cb6 VZ |
1499 | return -EINVAL; |
1500 | } else if (!o->get_credit(o)) { /* VLAN_MAC_DEL */ | |
51c1a580 | 1501 | BNX2X_ERR("Failed to recover the credit from the optimized DEL command\n"); |
619c5cb6 VZ |
1502 | return -EINVAL; |
1503 | } | |
1504 | } | |
1505 | ||
1506 | DP(BNX2X_MSG_SP, "Optimizing %s command\n", | |
1507 | (elem->cmd_data.vlan_mac.cmd == BNX2X_VLAN_MAC_ADD) ? | |
1508 | "ADD" : "DEL"); | |
1509 | ||
1510 | list_del(&pos->link); | |
1511 | bnx2x_exe_queue_free_elem(bp, pos); | |
1512 | return 1; | |
1513 | } | |
1514 | ||
1515 | return 0; | |
1516 | } | |
1517 | ||
1518 | /** | |
1519 | * bnx2x_vlan_mac_get_registry_elem - prepare a registry element | |
1520 | * | |
1521 | * @bp: device handle | |
1522 | * @o: | |
1523 | * @elem: | |
1524 | * @restore: | |
1525 | * @re: | |
1526 | * | |
1527 | * prepare a registry element according to the current command request. | |
1528 | */ | |
1529 | static inline int bnx2x_vlan_mac_get_registry_elem( | |
1530 | struct bnx2x *bp, | |
1531 | struct bnx2x_vlan_mac_obj *o, | |
1532 | struct bnx2x_exeq_elem *elem, | |
1533 | bool restore, | |
1534 | struct bnx2x_vlan_mac_registry_elem **re) | |
1535 | { | |
1536 | int cmd = elem->cmd_data.vlan_mac.cmd; | |
1537 | struct bnx2x_vlan_mac_registry_elem *reg_elem; | |
1538 | ||
1539 | /* Allocate a new registry element if needed. */ | |
1540 | if (!restore && | |
1541 | ((cmd == BNX2X_VLAN_MAC_ADD) || (cmd == BNX2X_VLAN_MAC_MOVE))) { | |
1542 | reg_elem = kzalloc(sizeof(*reg_elem), GFP_ATOMIC); | |
1543 | if (!reg_elem) | |
1544 | return -ENOMEM; | |
1545 | ||
1546 | /* Get a new CAM offset */ | |
1547 | if (!o->get_cam_offset(o, ®_elem->cam_offset)) { | |
1548 | /* | |
1549 | * This shell never happen, because we have checked the | |
1550 | * CAM availiability in the 'validate'. | |
1551 | */ | |
1552 | WARN_ON(1); | |
1553 | kfree(reg_elem); | |
1554 | return -EINVAL; | |
1555 | } | |
1556 | ||
1557 | DP(BNX2X_MSG_SP, "Got cam offset %d\n", reg_elem->cam_offset); | |
1558 | ||
1559 | /* Set a VLAN-MAC data */ | |
1560 | memcpy(®_elem->u, &elem->cmd_data.vlan_mac.u, | |
1561 | sizeof(reg_elem->u)); | |
1562 | ||
1563 | /* Copy the flags (needed for DEL and RESTORE flows) */ | |
1564 | reg_elem->vlan_mac_flags = | |
1565 | elem->cmd_data.vlan_mac.vlan_mac_flags; | |
1566 | } else /* DEL, RESTORE */ | |
51c1a580 | 1567 | reg_elem = o->check_del(bp, o, &elem->cmd_data.vlan_mac.u); |
619c5cb6 VZ |
1568 | |
1569 | *re = reg_elem; | |
1570 | return 0; | |
1571 | } | |
1572 | ||
1573 | /** | |
1574 | * bnx2x_execute_vlan_mac - execute vlan mac command | |
1575 | * | |
1576 | * @bp: device handle | |
1577 | * @qo: | |
1578 | * @exe_chunk: | |
1579 | * @ramrod_flags: | |
1580 | * | |
1581 | * go and send a ramrod! | |
1582 | */ | |
1583 | static int bnx2x_execute_vlan_mac(struct bnx2x *bp, | |
1584 | union bnx2x_qable_obj *qo, | |
1585 | struct list_head *exe_chunk, | |
1586 | unsigned long *ramrod_flags) | |
1587 | { | |
1588 | struct bnx2x_exeq_elem *elem; | |
1589 | struct bnx2x_vlan_mac_obj *o = &qo->vlan_mac, *cam_obj; | |
1590 | struct bnx2x_raw_obj *r = &o->raw; | |
1591 | int rc, idx = 0; | |
1592 | bool restore = test_bit(RAMROD_RESTORE, ramrod_flags); | |
1593 | bool drv_only = test_bit(RAMROD_DRV_CLR_ONLY, ramrod_flags); | |
1594 | struct bnx2x_vlan_mac_registry_elem *reg_elem; | |
1595 | int cmd; | |
1596 | ||
1597 | /* | |
1598 | * If DRIVER_ONLY execution is requested, cleanup a registry | |
1599 | * and exit. Otherwise send a ramrod to FW. | |
1600 | */ | |
1601 | if (!drv_only) { | |
1602 | WARN_ON(r->check_pending(r)); | |
1603 | ||
1604 | /* Set pending */ | |
1605 | r->set_pending(r); | |
1606 | ||
1607 | /* Fill tha ramrod data */ | |
1608 | list_for_each_entry(elem, exe_chunk, link) { | |
1609 | cmd = elem->cmd_data.vlan_mac.cmd; | |
1610 | /* | |
1611 | * We will add to the target object in MOVE command, so | |
1612 | * change the object for a CAM search. | |
1613 | */ | |
1614 | if (cmd == BNX2X_VLAN_MAC_MOVE) | |
1615 | cam_obj = elem->cmd_data.vlan_mac.target_obj; | |
1616 | else | |
1617 | cam_obj = o; | |
1618 | ||
1619 | rc = bnx2x_vlan_mac_get_registry_elem(bp, cam_obj, | |
1620 | elem, restore, | |
1621 | ®_elem); | |
1622 | if (rc) | |
1623 | goto error_exit; | |
1624 | ||
1625 | WARN_ON(!reg_elem); | |
1626 | ||
1627 | /* Push a new entry into the registry */ | |
1628 | if (!restore && | |
1629 | ((cmd == BNX2X_VLAN_MAC_ADD) || | |
1630 | (cmd == BNX2X_VLAN_MAC_MOVE))) | |
1631 | list_add(®_elem->link, &cam_obj->head); | |
1632 | ||
1633 | /* Configure a single command in a ramrod data buffer */ | |
1634 | o->set_one_rule(bp, o, elem, idx, | |
1635 | reg_elem->cam_offset); | |
1636 | ||
1637 | /* MOVE command consumes 2 entries in the ramrod data */ | |
1638 | if (cmd == BNX2X_VLAN_MAC_MOVE) | |
1639 | idx += 2; | |
1640 | else | |
1641 | idx++; | |
1642 | } | |
1643 | ||
53e51e2f VZ |
1644 | /* |
1645 | * No need for an explicit memory barrier here as long we would | |
1646 | * need to ensure the ordering of writing to the SPQ element | |
1647 | * and updating of the SPQ producer which involves a memory | |
1648 | * read and we will have to put a full memory barrier there | |
1649 | * (inside bnx2x_sp_post()). | |
1650 | */ | |
619c5cb6 VZ |
1651 | |
1652 | rc = bnx2x_sp_post(bp, o->ramrod_cmd, r->cid, | |
1653 | U64_HI(r->rdata_mapping), | |
1654 | U64_LO(r->rdata_mapping), | |
1655 | ETH_CONNECTION_TYPE); | |
1656 | if (rc) | |
1657 | goto error_exit; | |
1658 | } | |
1659 | ||
1660 | /* Now, when we are done with the ramrod - clean up the registry */ | |
1661 | list_for_each_entry(elem, exe_chunk, link) { | |
1662 | cmd = elem->cmd_data.vlan_mac.cmd; | |
1663 | if ((cmd == BNX2X_VLAN_MAC_DEL) || | |
1664 | (cmd == BNX2X_VLAN_MAC_MOVE)) { | |
51c1a580 MS |
1665 | reg_elem = o->check_del(bp, o, |
1666 | &elem->cmd_data.vlan_mac.u); | |
619c5cb6 VZ |
1667 | |
1668 | WARN_ON(!reg_elem); | |
1669 | ||
1670 | o->put_cam_offset(o, reg_elem->cam_offset); | |
1671 | list_del(®_elem->link); | |
1672 | kfree(reg_elem); | |
1673 | } | |
1674 | } | |
1675 | ||
1676 | if (!drv_only) | |
1677 | return 1; | |
1678 | else | |
1679 | return 0; | |
1680 | ||
1681 | error_exit: | |
1682 | r->clear_pending(r); | |
1683 | ||
1684 | /* Cleanup a registry in case of a failure */ | |
1685 | list_for_each_entry(elem, exe_chunk, link) { | |
1686 | cmd = elem->cmd_data.vlan_mac.cmd; | |
1687 | ||
1688 | if (cmd == BNX2X_VLAN_MAC_MOVE) | |
1689 | cam_obj = elem->cmd_data.vlan_mac.target_obj; | |
1690 | else | |
1691 | cam_obj = o; | |
1692 | ||
1693 | /* Delete all newly added above entries */ | |
1694 | if (!restore && | |
1695 | ((cmd == BNX2X_VLAN_MAC_ADD) || | |
1696 | (cmd == BNX2X_VLAN_MAC_MOVE))) { | |
51c1a580 | 1697 | reg_elem = o->check_del(bp, cam_obj, |
619c5cb6 VZ |
1698 | &elem->cmd_data.vlan_mac.u); |
1699 | if (reg_elem) { | |
1700 | list_del(®_elem->link); | |
1701 | kfree(reg_elem); | |
1702 | } | |
1703 | } | |
1704 | } | |
1705 | ||
1706 | return rc; | |
1707 | } | |
1708 | ||
1709 | static inline int bnx2x_vlan_mac_push_new_cmd( | |
1710 | struct bnx2x *bp, | |
1711 | struct bnx2x_vlan_mac_ramrod_params *p) | |
1712 | { | |
1713 | struct bnx2x_exeq_elem *elem; | |
1714 | struct bnx2x_vlan_mac_obj *o = p->vlan_mac_obj; | |
1715 | bool restore = test_bit(RAMROD_RESTORE, &p->ramrod_flags); | |
1716 | ||
1717 | /* Allocate the execution queue element */ | |
1718 | elem = bnx2x_exe_queue_alloc_elem(bp); | |
1719 | if (!elem) | |
1720 | return -ENOMEM; | |
1721 | ||
1722 | /* Set the command 'length' */ | |
1723 | switch (p->user_req.cmd) { | |
1724 | case BNX2X_VLAN_MAC_MOVE: | |
1725 | elem->cmd_len = 2; | |
1726 | break; | |
1727 | default: | |
1728 | elem->cmd_len = 1; | |
1729 | } | |
1730 | ||
1731 | /* Fill the object specific info */ | |
1732 | memcpy(&elem->cmd_data.vlan_mac, &p->user_req, sizeof(p->user_req)); | |
1733 | ||
1734 | /* Try to add a new command to the pending list */ | |
1735 | return bnx2x_exe_queue_add(bp, &o->exe_queue, elem, restore); | |
1736 | } | |
1737 | ||
1738 | /** | |
1739 | * bnx2x_config_vlan_mac - configure VLAN/MAC/VLAN_MAC filtering rules. | |
1740 | * | |
1741 | * @bp: device handle | |
1742 | * @p: | |
1743 | * | |
1744 | */ | |
1745 | int bnx2x_config_vlan_mac( | |
1746 | struct bnx2x *bp, | |
1747 | struct bnx2x_vlan_mac_ramrod_params *p) | |
1748 | { | |
1749 | int rc = 0; | |
1750 | struct bnx2x_vlan_mac_obj *o = p->vlan_mac_obj; | |
1751 | unsigned long *ramrod_flags = &p->ramrod_flags; | |
1752 | bool cont = test_bit(RAMROD_CONT, ramrod_flags); | |
1753 | struct bnx2x_raw_obj *raw = &o->raw; | |
1754 | ||
1755 | /* | |
1756 | * Add new elements to the execution list for commands that require it. | |
1757 | */ | |
1758 | if (!cont) { | |
1759 | rc = bnx2x_vlan_mac_push_new_cmd(bp, p); | |
1760 | if (rc) | |
1761 | return rc; | |
1762 | } | |
1763 | ||
1764 | /* | |
1765 | * If nothing will be executed further in this iteration we want to | |
1766 | * return PENDING if there are pending commands | |
1767 | */ | |
1768 | if (!bnx2x_exe_queue_empty(&o->exe_queue)) | |
1769 | rc = 1; | |
1770 | ||
79616895 | 1771 | if (test_bit(RAMROD_DRV_CLR_ONLY, ramrod_flags)) { |
51c1a580 | 1772 | DP(BNX2X_MSG_SP, "RAMROD_DRV_CLR_ONLY requested: clearing a pending bit.\n"); |
79616895 VZ |
1773 | raw->clear_pending(raw); |
1774 | } | |
1775 | ||
619c5cb6 VZ |
1776 | /* Execute commands if required */ |
1777 | if (cont || test_bit(RAMROD_EXEC, ramrod_flags) || | |
1778 | test_bit(RAMROD_COMP_WAIT, ramrod_flags)) { | |
1779 | rc = bnx2x_exe_queue_step(bp, &o->exe_queue, ramrod_flags); | |
1780 | if (rc < 0) | |
1781 | return rc; | |
1782 | } | |
1783 | ||
1784 | /* | |
1785 | * RAMROD_COMP_WAIT is a superset of RAMROD_EXEC. If it was set | |
1786 | * then user want to wait until the last command is done. | |
1787 | */ | |
1788 | if (test_bit(RAMROD_COMP_WAIT, &p->ramrod_flags)) { | |
1789 | /* | |
1790 | * Wait maximum for the current exe_queue length iterations plus | |
1791 | * one (for the current pending command). | |
1792 | */ | |
1793 | int max_iterations = bnx2x_exe_queue_length(&o->exe_queue) + 1; | |
1794 | ||
1795 | while (!bnx2x_exe_queue_empty(&o->exe_queue) && | |
1796 | max_iterations--) { | |
1797 | ||
1798 | /* Wait for the current command to complete */ | |
1799 | rc = raw->wait_comp(bp, raw); | |
1800 | if (rc) | |
1801 | return rc; | |
1802 | ||
1803 | /* Make a next step */ | |
1804 | rc = bnx2x_exe_queue_step(bp, &o->exe_queue, | |
1805 | ramrod_flags); | |
1806 | if (rc < 0) | |
1807 | return rc; | |
1808 | } | |
1809 | ||
1810 | return 0; | |
1811 | } | |
1812 | ||
1813 | return rc; | |
1814 | } | |
1815 | ||
1816 | ||
1817 | ||
1818 | /** | |
1819 | * bnx2x_vlan_mac_del_all - delete elements with given vlan_mac_flags spec | |
1820 | * | |
1821 | * @bp: device handle | |
1822 | * @o: | |
1823 | * @vlan_mac_flags: | |
1824 | * @ramrod_flags: execution flags to be used for this deletion | |
1825 | * | |
1826 | * if the last operation has completed successfully and there are no | |
1827 | * moreelements left, positive value if the last operation has completed | |
1828 | * successfully and there are more previously configured elements, negative | |
1829 | * value is current operation has failed. | |
1830 | */ | |
1831 | static int bnx2x_vlan_mac_del_all(struct bnx2x *bp, | |
1832 | struct bnx2x_vlan_mac_obj *o, | |
1833 | unsigned long *vlan_mac_flags, | |
1834 | unsigned long *ramrod_flags) | |
1835 | { | |
1836 | struct bnx2x_vlan_mac_registry_elem *pos = NULL; | |
1837 | int rc = 0; | |
1838 | struct bnx2x_vlan_mac_ramrod_params p; | |
1839 | struct bnx2x_exe_queue_obj *exeq = &o->exe_queue; | |
1840 | struct bnx2x_exeq_elem *exeq_pos, *exeq_pos_n; | |
1841 | ||
1842 | /* Clear pending commands first */ | |
1843 | ||
1844 | spin_lock_bh(&exeq->lock); | |
1845 | ||
1846 | list_for_each_entry_safe(exeq_pos, exeq_pos_n, &exeq->exe_queue, link) { | |
1847 | if (exeq_pos->cmd_data.vlan_mac.vlan_mac_flags == | |
460a25cd YM |
1848 | *vlan_mac_flags) { |
1849 | rc = exeq->remove(bp, exeq->owner, exeq_pos); | |
1850 | if (rc) { | |
1851 | BNX2X_ERR("Failed to remove command\n"); | |
a44acd55 | 1852 | spin_unlock_bh(&exeq->lock); |
460a25cd YM |
1853 | return rc; |
1854 | } | |
619c5cb6 | 1855 | list_del(&exeq_pos->link); |
460a25cd | 1856 | } |
619c5cb6 VZ |
1857 | } |
1858 | ||
1859 | spin_unlock_bh(&exeq->lock); | |
1860 | ||
1861 | /* Prepare a command request */ | |
1862 | memset(&p, 0, sizeof(p)); | |
1863 | p.vlan_mac_obj = o; | |
1864 | p.ramrod_flags = *ramrod_flags; | |
1865 | p.user_req.cmd = BNX2X_VLAN_MAC_DEL; | |
1866 | ||
1867 | /* | |
1868 | * Add all but the last VLAN-MAC to the execution queue without actually | |
1869 | * execution anything. | |
1870 | */ | |
1871 | __clear_bit(RAMROD_COMP_WAIT, &p.ramrod_flags); | |
1872 | __clear_bit(RAMROD_EXEC, &p.ramrod_flags); | |
1873 | __clear_bit(RAMROD_CONT, &p.ramrod_flags); | |
1874 | ||
1875 | list_for_each_entry(pos, &o->head, link) { | |
1876 | if (pos->vlan_mac_flags == *vlan_mac_flags) { | |
1877 | p.user_req.vlan_mac_flags = pos->vlan_mac_flags; | |
1878 | memcpy(&p.user_req.u, &pos->u, sizeof(pos->u)); | |
1879 | rc = bnx2x_config_vlan_mac(bp, &p); | |
1880 | if (rc < 0) { | |
1881 | BNX2X_ERR("Failed to add a new DEL command\n"); | |
1882 | return rc; | |
1883 | } | |
1884 | } | |
1885 | } | |
1886 | ||
1887 | p.ramrod_flags = *ramrod_flags; | |
1888 | __set_bit(RAMROD_CONT, &p.ramrod_flags); | |
1889 | ||
1890 | return bnx2x_config_vlan_mac(bp, &p); | |
1891 | } | |
1892 | ||
1893 | static inline void bnx2x_init_raw_obj(struct bnx2x_raw_obj *raw, u8 cl_id, | |
1894 | u32 cid, u8 func_id, void *rdata, dma_addr_t rdata_mapping, int state, | |
1895 | unsigned long *pstate, bnx2x_obj_type type) | |
1896 | { | |
1897 | raw->func_id = func_id; | |
1898 | raw->cid = cid; | |
1899 | raw->cl_id = cl_id; | |
1900 | raw->rdata = rdata; | |
1901 | raw->rdata_mapping = rdata_mapping; | |
1902 | raw->state = state; | |
1903 | raw->pstate = pstate; | |
1904 | raw->obj_type = type; | |
1905 | raw->check_pending = bnx2x_raw_check_pending; | |
1906 | raw->clear_pending = bnx2x_raw_clear_pending; | |
1907 | raw->set_pending = bnx2x_raw_set_pending; | |
1908 | raw->wait_comp = bnx2x_raw_wait; | |
1909 | } | |
1910 | ||
1911 | static inline void bnx2x_init_vlan_mac_common(struct bnx2x_vlan_mac_obj *o, | |
1912 | u8 cl_id, u32 cid, u8 func_id, void *rdata, dma_addr_t rdata_mapping, | |
1913 | int state, unsigned long *pstate, bnx2x_obj_type type, | |
1914 | struct bnx2x_credit_pool_obj *macs_pool, | |
1915 | struct bnx2x_credit_pool_obj *vlans_pool) | |
1916 | { | |
1917 | INIT_LIST_HEAD(&o->head); | |
1918 | ||
1919 | o->macs_pool = macs_pool; | |
1920 | o->vlans_pool = vlans_pool; | |
1921 | ||
1922 | o->delete_all = bnx2x_vlan_mac_del_all; | |
1923 | o->restore = bnx2x_vlan_mac_restore; | |
1924 | o->complete = bnx2x_complete_vlan_mac; | |
1925 | o->wait = bnx2x_wait_vlan_mac; | |
1926 | ||
1927 | bnx2x_init_raw_obj(&o->raw, cl_id, cid, func_id, rdata, rdata_mapping, | |
1928 | state, pstate, type); | |
1929 | } | |
1930 | ||
1931 | ||
1932 | void bnx2x_init_mac_obj(struct bnx2x *bp, | |
1933 | struct bnx2x_vlan_mac_obj *mac_obj, | |
1934 | u8 cl_id, u32 cid, u8 func_id, void *rdata, | |
1935 | dma_addr_t rdata_mapping, int state, | |
1936 | unsigned long *pstate, bnx2x_obj_type type, | |
1937 | struct bnx2x_credit_pool_obj *macs_pool) | |
1938 | { | |
1939 | union bnx2x_qable_obj *qable_obj = (union bnx2x_qable_obj *)mac_obj; | |
1940 | ||
1941 | bnx2x_init_vlan_mac_common(mac_obj, cl_id, cid, func_id, rdata, | |
1942 | rdata_mapping, state, pstate, type, | |
1943 | macs_pool, NULL); | |
1944 | ||
1945 | /* CAM credit pool handling */ | |
1946 | mac_obj->get_credit = bnx2x_get_credit_mac; | |
1947 | mac_obj->put_credit = bnx2x_put_credit_mac; | |
1948 | mac_obj->get_cam_offset = bnx2x_get_cam_offset_mac; | |
1949 | mac_obj->put_cam_offset = bnx2x_put_cam_offset_mac; | |
1950 | ||
1951 | if (CHIP_IS_E1x(bp)) { | |
1952 | mac_obj->set_one_rule = bnx2x_set_one_mac_e1x; | |
1953 | mac_obj->check_del = bnx2x_check_mac_del; | |
1954 | mac_obj->check_add = bnx2x_check_mac_add; | |
1955 | mac_obj->check_move = bnx2x_check_move_always_err; | |
1956 | mac_obj->ramrod_cmd = RAMROD_CMD_ID_ETH_SET_MAC; | |
1957 | ||
1958 | /* Exe Queue */ | |
1959 | bnx2x_exe_queue_init(bp, | |
1960 | &mac_obj->exe_queue, 1, qable_obj, | |
1961 | bnx2x_validate_vlan_mac, | |
460a25cd | 1962 | bnx2x_remove_vlan_mac, |
619c5cb6 VZ |
1963 | bnx2x_optimize_vlan_mac, |
1964 | bnx2x_execute_vlan_mac, | |
1965 | bnx2x_exeq_get_mac); | |
1966 | } else { | |
1967 | mac_obj->set_one_rule = bnx2x_set_one_mac_e2; | |
1968 | mac_obj->check_del = bnx2x_check_mac_del; | |
1969 | mac_obj->check_add = bnx2x_check_mac_add; | |
1970 | mac_obj->check_move = bnx2x_check_move; | |
1971 | mac_obj->ramrod_cmd = | |
1972 | RAMROD_CMD_ID_ETH_CLASSIFICATION_RULES; | |
ed5162a0 | 1973 | mac_obj->get_n_elements = bnx2x_get_n_elements; |
619c5cb6 VZ |
1974 | |
1975 | /* Exe Queue */ | |
1976 | bnx2x_exe_queue_init(bp, | |
1977 | &mac_obj->exe_queue, CLASSIFY_RULES_COUNT, | |
1978 | qable_obj, bnx2x_validate_vlan_mac, | |
460a25cd | 1979 | bnx2x_remove_vlan_mac, |
619c5cb6 VZ |
1980 | bnx2x_optimize_vlan_mac, |
1981 | bnx2x_execute_vlan_mac, | |
1982 | bnx2x_exeq_get_mac); | |
1983 | } | |
1984 | } | |
1985 | ||
1986 | void bnx2x_init_vlan_obj(struct bnx2x *bp, | |
1987 | struct bnx2x_vlan_mac_obj *vlan_obj, | |
1988 | u8 cl_id, u32 cid, u8 func_id, void *rdata, | |
1989 | dma_addr_t rdata_mapping, int state, | |
1990 | unsigned long *pstate, bnx2x_obj_type type, | |
1991 | struct bnx2x_credit_pool_obj *vlans_pool) | |
1992 | { | |
1993 | union bnx2x_qable_obj *qable_obj = (union bnx2x_qable_obj *)vlan_obj; | |
1994 | ||
1995 | bnx2x_init_vlan_mac_common(vlan_obj, cl_id, cid, func_id, rdata, | |
1996 | rdata_mapping, state, pstate, type, NULL, | |
1997 | vlans_pool); | |
1998 | ||
1999 | vlan_obj->get_credit = bnx2x_get_credit_vlan; | |
2000 | vlan_obj->put_credit = bnx2x_put_credit_vlan; | |
2001 | vlan_obj->get_cam_offset = bnx2x_get_cam_offset_vlan; | |
2002 | vlan_obj->put_cam_offset = bnx2x_put_cam_offset_vlan; | |
2003 | ||
2004 | if (CHIP_IS_E1x(bp)) { | |
2005 | BNX2X_ERR("Do not support chips others than E2 and newer\n"); | |
2006 | BUG(); | |
2007 | } else { | |
2008 | vlan_obj->set_one_rule = bnx2x_set_one_vlan_e2; | |
2009 | vlan_obj->check_del = bnx2x_check_vlan_del; | |
2010 | vlan_obj->check_add = bnx2x_check_vlan_add; | |
2011 | vlan_obj->check_move = bnx2x_check_move; | |
2012 | vlan_obj->ramrod_cmd = | |
2013 | RAMROD_CMD_ID_ETH_CLASSIFICATION_RULES; | |
2014 | ||
2015 | /* Exe Queue */ | |
2016 | bnx2x_exe_queue_init(bp, | |
2017 | &vlan_obj->exe_queue, CLASSIFY_RULES_COUNT, | |
2018 | qable_obj, bnx2x_validate_vlan_mac, | |
460a25cd | 2019 | bnx2x_remove_vlan_mac, |
619c5cb6 VZ |
2020 | bnx2x_optimize_vlan_mac, |
2021 | bnx2x_execute_vlan_mac, | |
2022 | bnx2x_exeq_get_vlan); | |
2023 | } | |
2024 | } | |
2025 | ||
2026 | void bnx2x_init_vlan_mac_obj(struct bnx2x *bp, | |
2027 | struct bnx2x_vlan_mac_obj *vlan_mac_obj, | |
2028 | u8 cl_id, u32 cid, u8 func_id, void *rdata, | |
2029 | dma_addr_t rdata_mapping, int state, | |
2030 | unsigned long *pstate, bnx2x_obj_type type, | |
2031 | struct bnx2x_credit_pool_obj *macs_pool, | |
2032 | struct bnx2x_credit_pool_obj *vlans_pool) | |
2033 | { | |
2034 | union bnx2x_qable_obj *qable_obj = | |
2035 | (union bnx2x_qable_obj *)vlan_mac_obj; | |
2036 | ||
2037 | bnx2x_init_vlan_mac_common(vlan_mac_obj, cl_id, cid, func_id, rdata, | |
2038 | rdata_mapping, state, pstate, type, | |
2039 | macs_pool, vlans_pool); | |
2040 | ||
2041 | /* CAM pool handling */ | |
2042 | vlan_mac_obj->get_credit = bnx2x_get_credit_vlan_mac; | |
2043 | vlan_mac_obj->put_credit = bnx2x_put_credit_vlan_mac; | |
2044 | /* | |
2045 | * CAM offset is relevant for 57710 and 57711 chips only which have a | |
2046 | * single CAM for both MACs and VLAN-MAC pairs. So the offset | |
2047 | * will be taken from MACs' pool object only. | |
2048 | */ | |
2049 | vlan_mac_obj->get_cam_offset = bnx2x_get_cam_offset_mac; | |
2050 | vlan_mac_obj->put_cam_offset = bnx2x_put_cam_offset_mac; | |
2051 | ||
2052 | if (CHIP_IS_E1(bp)) { | |
2053 | BNX2X_ERR("Do not support chips others than E2\n"); | |
2054 | BUG(); | |
2055 | } else if (CHIP_IS_E1H(bp)) { | |
2056 | vlan_mac_obj->set_one_rule = bnx2x_set_one_vlan_mac_e1h; | |
2057 | vlan_mac_obj->check_del = bnx2x_check_vlan_mac_del; | |
2058 | vlan_mac_obj->check_add = bnx2x_check_vlan_mac_add; | |
2059 | vlan_mac_obj->check_move = bnx2x_check_move_always_err; | |
2060 | vlan_mac_obj->ramrod_cmd = RAMROD_CMD_ID_ETH_SET_MAC; | |
2061 | ||
2062 | /* Exe Queue */ | |
2063 | bnx2x_exe_queue_init(bp, | |
2064 | &vlan_mac_obj->exe_queue, 1, qable_obj, | |
2065 | bnx2x_validate_vlan_mac, | |
460a25cd | 2066 | bnx2x_remove_vlan_mac, |
619c5cb6 VZ |
2067 | bnx2x_optimize_vlan_mac, |
2068 | bnx2x_execute_vlan_mac, | |
2069 | bnx2x_exeq_get_vlan_mac); | |
2070 | } else { | |
2071 | vlan_mac_obj->set_one_rule = bnx2x_set_one_vlan_mac_e2; | |
2072 | vlan_mac_obj->check_del = bnx2x_check_vlan_mac_del; | |
2073 | vlan_mac_obj->check_add = bnx2x_check_vlan_mac_add; | |
2074 | vlan_mac_obj->check_move = bnx2x_check_move; | |
2075 | vlan_mac_obj->ramrod_cmd = | |
2076 | RAMROD_CMD_ID_ETH_CLASSIFICATION_RULES; | |
2077 | ||
2078 | /* Exe Queue */ | |
2079 | bnx2x_exe_queue_init(bp, | |
2080 | &vlan_mac_obj->exe_queue, | |
2081 | CLASSIFY_RULES_COUNT, | |
2082 | qable_obj, bnx2x_validate_vlan_mac, | |
460a25cd | 2083 | bnx2x_remove_vlan_mac, |
619c5cb6 VZ |
2084 | bnx2x_optimize_vlan_mac, |
2085 | bnx2x_execute_vlan_mac, | |
2086 | bnx2x_exeq_get_vlan_mac); | |
2087 | } | |
2088 | ||
2089 | } | |
2090 | ||
2091 | /* RX_MODE verbs: DROP_ALL/ACCEPT_ALL/ACCEPT_ALL_MULTI/ACCEPT_ALL_VLAN/NORMAL */ | |
2092 | static inline void __storm_memset_mac_filters(struct bnx2x *bp, | |
2093 | struct tstorm_eth_mac_filter_config *mac_filters, | |
2094 | u16 pf_id) | |
2095 | { | |
2096 | size_t size = sizeof(struct tstorm_eth_mac_filter_config); | |
2097 | ||
2098 | u32 addr = BAR_TSTRORM_INTMEM + | |
2099 | TSTORM_MAC_FILTER_CONFIG_OFFSET(pf_id); | |
2100 | ||
2101 | __storm_memset_struct(bp, addr, size, (u32 *)mac_filters); | |
2102 | } | |
2103 | ||
2104 | static int bnx2x_set_rx_mode_e1x(struct bnx2x *bp, | |
2105 | struct bnx2x_rx_mode_ramrod_params *p) | |
2106 | { | |
2107 | /* update the bp MAC filter structure */ | |
2108 | u32 mask = (1 << p->cl_id); | |
2109 | ||
2110 | struct tstorm_eth_mac_filter_config *mac_filters = | |
2111 | (struct tstorm_eth_mac_filter_config *)p->rdata; | |
2112 | ||
2113 | /* initial seeting is drop-all */ | |
2114 | u8 drop_all_ucast = 1, drop_all_mcast = 1; | |
2115 | u8 accp_all_ucast = 0, accp_all_bcast = 0, accp_all_mcast = 0; | |
2116 | u8 unmatched_unicast = 0; | |
2117 | ||
2118 | /* In e1x there we only take into account rx acceot flag since tx switching | |
2119 | * isn't enabled. */ | |
2120 | if (test_bit(BNX2X_ACCEPT_UNICAST, &p->rx_accept_flags)) | |
2121 | /* accept matched ucast */ | |
2122 | drop_all_ucast = 0; | |
2123 | ||
2124 | if (test_bit(BNX2X_ACCEPT_MULTICAST, &p->rx_accept_flags)) | |
2125 | /* accept matched mcast */ | |
2126 | drop_all_mcast = 0; | |
2127 | ||
2128 | if (test_bit(BNX2X_ACCEPT_ALL_UNICAST, &p->rx_accept_flags)) { | |
2129 | /* accept all mcast */ | |
2130 | drop_all_ucast = 0; | |
2131 | accp_all_ucast = 1; | |
2132 | } | |
2133 | if (test_bit(BNX2X_ACCEPT_ALL_MULTICAST, &p->rx_accept_flags)) { | |
2134 | /* accept all mcast */ | |
2135 | drop_all_mcast = 0; | |
2136 | accp_all_mcast = 1; | |
2137 | } | |
2138 | if (test_bit(BNX2X_ACCEPT_BROADCAST, &p->rx_accept_flags)) | |
2139 | /* accept (all) bcast */ | |
2140 | accp_all_bcast = 1; | |
2141 | if (test_bit(BNX2X_ACCEPT_UNMATCHED, &p->rx_accept_flags)) | |
2142 | /* accept unmatched unicasts */ | |
2143 | unmatched_unicast = 1; | |
2144 | ||
2145 | mac_filters->ucast_drop_all = drop_all_ucast ? | |
2146 | mac_filters->ucast_drop_all | mask : | |
2147 | mac_filters->ucast_drop_all & ~mask; | |
2148 | ||
2149 | mac_filters->mcast_drop_all = drop_all_mcast ? | |
2150 | mac_filters->mcast_drop_all | mask : | |
2151 | mac_filters->mcast_drop_all & ~mask; | |
2152 | ||
2153 | mac_filters->ucast_accept_all = accp_all_ucast ? | |
2154 | mac_filters->ucast_accept_all | mask : | |
2155 | mac_filters->ucast_accept_all & ~mask; | |
2156 | ||
2157 | mac_filters->mcast_accept_all = accp_all_mcast ? | |
2158 | mac_filters->mcast_accept_all | mask : | |
2159 | mac_filters->mcast_accept_all & ~mask; | |
2160 | ||
2161 | mac_filters->bcast_accept_all = accp_all_bcast ? | |
2162 | mac_filters->bcast_accept_all | mask : | |
2163 | mac_filters->bcast_accept_all & ~mask; | |
2164 | ||
2165 | mac_filters->unmatched_unicast = unmatched_unicast ? | |
2166 | mac_filters->unmatched_unicast | mask : | |
2167 | mac_filters->unmatched_unicast & ~mask; | |
2168 | ||
2169 | DP(BNX2X_MSG_SP, "drop_ucast 0x%x\ndrop_mcast 0x%x\n accp_ucast 0x%x\n" | |
51c1a580 MS |
2170 | "accp_mcast 0x%x\naccp_bcast 0x%x\n", |
2171 | mac_filters->ucast_drop_all, mac_filters->mcast_drop_all, | |
2172 | mac_filters->ucast_accept_all, mac_filters->mcast_accept_all, | |
2173 | mac_filters->bcast_accept_all); | |
619c5cb6 VZ |
2174 | |
2175 | /* write the MAC filter structure*/ | |
2176 | __storm_memset_mac_filters(bp, mac_filters, p->func_id); | |
2177 | ||
2178 | /* The operation is completed */ | |
2179 | clear_bit(p->state, p->pstate); | |
2180 | smp_mb__after_clear_bit(); | |
2181 | ||
2182 | return 0; | |
2183 | } | |
2184 | ||
2185 | /* Setup ramrod data */ | |
2186 | static inline void bnx2x_rx_mode_set_rdata_hdr_e2(u32 cid, | |
2187 | struct eth_classify_header *hdr, | |
2188 | u8 rule_cnt) | |
2189 | { | |
2190 | hdr->echo = cid; | |
2191 | hdr->rule_cnt = rule_cnt; | |
2192 | } | |
2193 | ||
2194 | static inline void bnx2x_rx_mode_set_cmd_state_e2(struct bnx2x *bp, | |
2195 | unsigned long accept_flags, | |
2196 | struct eth_filter_rules_cmd *cmd, | |
2197 | bool clear_accept_all) | |
2198 | { | |
2199 | u16 state; | |
2200 | ||
2201 | /* start with 'drop-all' */ | |
2202 | state = ETH_FILTER_RULES_CMD_UCAST_DROP_ALL | | |
2203 | ETH_FILTER_RULES_CMD_MCAST_DROP_ALL; | |
2204 | ||
2205 | if (accept_flags) { | |
2206 | if (test_bit(BNX2X_ACCEPT_UNICAST, &accept_flags)) | |
2207 | state &= ~ETH_FILTER_RULES_CMD_UCAST_DROP_ALL; | |
2208 | ||
2209 | if (test_bit(BNX2X_ACCEPT_MULTICAST, &accept_flags)) | |
2210 | state &= ~ETH_FILTER_RULES_CMD_MCAST_DROP_ALL; | |
2211 | ||
2212 | if (test_bit(BNX2X_ACCEPT_ALL_UNICAST, &accept_flags)) { | |
2213 | state &= ~ETH_FILTER_RULES_CMD_UCAST_DROP_ALL; | |
2214 | state |= ETH_FILTER_RULES_CMD_UCAST_ACCEPT_ALL; | |
2215 | } | |
2216 | ||
2217 | if (test_bit(BNX2X_ACCEPT_ALL_MULTICAST, &accept_flags)) { | |
2218 | state |= ETH_FILTER_RULES_CMD_MCAST_ACCEPT_ALL; | |
2219 | state &= ~ETH_FILTER_RULES_CMD_MCAST_DROP_ALL; | |
2220 | } | |
2221 | if (test_bit(BNX2X_ACCEPT_BROADCAST, &accept_flags)) | |
2222 | state |= ETH_FILTER_RULES_CMD_BCAST_ACCEPT_ALL; | |
2223 | ||
2224 | if (test_bit(BNX2X_ACCEPT_UNMATCHED, &accept_flags)) { | |
2225 | state &= ~ETH_FILTER_RULES_CMD_UCAST_DROP_ALL; | |
2226 | state |= ETH_FILTER_RULES_CMD_UCAST_ACCEPT_UNMATCHED; | |
2227 | } | |
2228 | if (test_bit(BNX2X_ACCEPT_ANY_VLAN, &accept_flags)) | |
2229 | state |= ETH_FILTER_RULES_CMD_ACCEPT_ANY_VLAN; | |
2230 | } | |
2231 | ||
2232 | /* Clear ACCEPT_ALL_XXX flags for FCoE L2 Queue */ | |
2233 | if (clear_accept_all) { | |
2234 | state &= ~ETH_FILTER_RULES_CMD_MCAST_ACCEPT_ALL; | |
2235 | state &= ~ETH_FILTER_RULES_CMD_BCAST_ACCEPT_ALL; | |
2236 | state &= ~ETH_FILTER_RULES_CMD_UCAST_ACCEPT_ALL; | |
2237 | state &= ~ETH_FILTER_RULES_CMD_UCAST_ACCEPT_UNMATCHED; | |
2238 | } | |
2239 | ||
2240 | cmd->state = cpu_to_le16(state); | |
2241 | ||
2242 | } | |
2243 | ||
2244 | static int bnx2x_set_rx_mode_e2(struct bnx2x *bp, | |
2245 | struct bnx2x_rx_mode_ramrod_params *p) | |
2246 | { | |
2247 | struct eth_filter_rules_ramrod_data *data = p->rdata; | |
2248 | int rc; | |
2249 | u8 rule_idx = 0; | |
2250 | ||
2251 | /* Reset the ramrod data buffer */ | |
2252 | memset(data, 0, sizeof(*data)); | |
2253 | ||
2254 | /* Setup ramrod data */ | |
2255 | ||
2256 | /* Tx (internal switching) */ | |
2257 | if (test_bit(RAMROD_TX, &p->ramrod_flags)) { | |
2258 | data->rules[rule_idx].client_id = p->cl_id; | |
2259 | data->rules[rule_idx].func_id = p->func_id; | |
2260 | ||
2261 | data->rules[rule_idx].cmd_general_data = | |
2262 | ETH_FILTER_RULES_CMD_TX_CMD; | |
2263 | ||
2264 | bnx2x_rx_mode_set_cmd_state_e2(bp, p->tx_accept_flags, | |
2265 | &(data->rules[rule_idx++]), false); | |
2266 | } | |
2267 | ||
2268 | /* Rx */ | |
2269 | if (test_bit(RAMROD_RX, &p->ramrod_flags)) { | |
2270 | data->rules[rule_idx].client_id = p->cl_id; | |
2271 | data->rules[rule_idx].func_id = p->func_id; | |
2272 | ||
2273 | data->rules[rule_idx].cmd_general_data = | |
2274 | ETH_FILTER_RULES_CMD_RX_CMD; | |
2275 | ||
2276 | bnx2x_rx_mode_set_cmd_state_e2(bp, p->rx_accept_flags, | |
2277 | &(data->rules[rule_idx++]), false); | |
2278 | } | |
2279 | ||
2280 | ||
2281 | /* | |
2282 | * If FCoE Queue configuration has been requested configure the Rx and | |
2283 | * internal switching modes for this queue in separate rules. | |
2284 | * | |
2285 | * FCoE queue shell never be set to ACCEPT_ALL packets of any sort: | |
2286 | * MCAST_ALL, UCAST_ALL, BCAST_ALL and UNMATCHED. | |
2287 | */ | |
2288 | if (test_bit(BNX2X_RX_MODE_FCOE_ETH, &p->rx_mode_flags)) { | |
2289 | /* Tx (internal switching) */ | |
2290 | if (test_bit(RAMROD_TX, &p->ramrod_flags)) { | |
2291 | data->rules[rule_idx].client_id = bnx2x_fcoe(bp, cl_id); | |
2292 | data->rules[rule_idx].func_id = p->func_id; | |
2293 | ||
2294 | data->rules[rule_idx].cmd_general_data = | |
2295 | ETH_FILTER_RULES_CMD_TX_CMD; | |
2296 | ||
2297 | bnx2x_rx_mode_set_cmd_state_e2(bp, p->tx_accept_flags, | |
2298 | &(data->rules[rule_idx++]), | |
2299 | true); | |
2300 | } | |
2301 | ||
2302 | /* Rx */ | |
2303 | if (test_bit(RAMROD_RX, &p->ramrod_flags)) { | |
2304 | data->rules[rule_idx].client_id = bnx2x_fcoe(bp, cl_id); | |
2305 | data->rules[rule_idx].func_id = p->func_id; | |
2306 | ||
2307 | data->rules[rule_idx].cmd_general_data = | |
2308 | ETH_FILTER_RULES_CMD_RX_CMD; | |
2309 | ||
2310 | bnx2x_rx_mode_set_cmd_state_e2(bp, p->rx_accept_flags, | |
2311 | &(data->rules[rule_idx++]), | |
2312 | true); | |
2313 | } | |
2314 | } | |
2315 | ||
2316 | /* | |
2317 | * Set the ramrod header (most importantly - number of rules to | |
2318 | * configure). | |
2319 | */ | |
2320 | bnx2x_rx_mode_set_rdata_hdr_e2(p->cid, &data->header, rule_idx); | |
2321 | ||
51c1a580 | 2322 | DP(BNX2X_MSG_SP, "About to configure %d rules, rx_accept_flags 0x%lx, tx_accept_flags 0x%lx\n", |
619c5cb6 VZ |
2323 | data->header.rule_cnt, p->rx_accept_flags, |
2324 | p->tx_accept_flags); | |
2325 | ||
53e51e2f VZ |
2326 | /* |
2327 | * No need for an explicit memory barrier here as long we would | |
2328 | * need to ensure the ordering of writing to the SPQ element | |
2329 | * and updating of the SPQ producer which involves a memory | |
2330 | * read and we will have to put a full memory barrier there | |
2331 | * (inside bnx2x_sp_post()). | |
2332 | */ | |
619c5cb6 VZ |
2333 | |
2334 | /* Send a ramrod */ | |
2335 | rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_FILTER_RULES, p->cid, | |
2336 | U64_HI(p->rdata_mapping), | |
2337 | U64_LO(p->rdata_mapping), | |
2338 | ETH_CONNECTION_TYPE); | |
2339 | if (rc) | |
2340 | return rc; | |
2341 | ||
2342 | /* Ramrod completion is pending */ | |
2343 | return 1; | |
2344 | } | |
2345 | ||
2346 | static int bnx2x_wait_rx_mode_comp_e2(struct bnx2x *bp, | |
2347 | struct bnx2x_rx_mode_ramrod_params *p) | |
2348 | { | |
2349 | return bnx2x_state_wait(bp, p->state, p->pstate); | |
2350 | } | |
2351 | ||
2352 | static int bnx2x_empty_rx_mode_wait(struct bnx2x *bp, | |
2353 | struct bnx2x_rx_mode_ramrod_params *p) | |
2354 | { | |
2355 | /* Do nothing */ | |
2356 | return 0; | |
2357 | } | |
2358 | ||
2359 | int bnx2x_config_rx_mode(struct bnx2x *bp, | |
2360 | struct bnx2x_rx_mode_ramrod_params *p) | |
2361 | { | |
2362 | int rc; | |
2363 | ||
2364 | /* Configure the new classification in the chip */ | |
2365 | rc = p->rx_mode_obj->config_rx_mode(bp, p); | |
2366 | if (rc < 0) | |
2367 | return rc; | |
2368 | ||
2369 | /* Wait for a ramrod completion if was requested */ | |
2370 | if (test_bit(RAMROD_COMP_WAIT, &p->ramrod_flags)) { | |
2371 | rc = p->rx_mode_obj->wait_comp(bp, p); | |
2372 | if (rc) | |
2373 | return rc; | |
2374 | } | |
2375 | ||
2376 | return rc; | |
2377 | } | |
2378 | ||
2379 | void bnx2x_init_rx_mode_obj(struct bnx2x *bp, | |
2380 | struct bnx2x_rx_mode_obj *o) | |
2381 | { | |
2382 | if (CHIP_IS_E1x(bp)) { | |
2383 | o->wait_comp = bnx2x_empty_rx_mode_wait; | |
2384 | o->config_rx_mode = bnx2x_set_rx_mode_e1x; | |
2385 | } else { | |
2386 | o->wait_comp = bnx2x_wait_rx_mode_comp_e2; | |
2387 | o->config_rx_mode = bnx2x_set_rx_mode_e2; | |
2388 | } | |
2389 | } | |
2390 | ||
2391 | /********************* Multicast verbs: SET, CLEAR ****************************/ | |
2392 | static inline u8 bnx2x_mcast_bin_from_mac(u8 *mac) | |
2393 | { | |
2394 | return (crc32c_le(0, mac, ETH_ALEN) >> 24) & 0xff; | |
2395 | } | |
2396 | ||
2397 | struct bnx2x_mcast_mac_elem { | |
2398 | struct list_head link; | |
2399 | u8 mac[ETH_ALEN]; | |
2400 | u8 pad[2]; /* For a natural alignment of the following buffer */ | |
2401 | }; | |
2402 | ||
2403 | struct bnx2x_pending_mcast_cmd { | |
2404 | struct list_head link; | |
2405 | int type; /* BNX2X_MCAST_CMD_X */ | |
2406 | union { | |
2407 | struct list_head macs_head; | |
2408 | u32 macs_num; /* Needed for DEL command */ | |
2409 | int next_bin; /* Needed for RESTORE flow with aprox match */ | |
2410 | } data; | |
2411 | ||
2412 | bool done; /* set to true, when the command has been handled, | |
2413 | * practically used in 57712 handling only, where one pending | |
2414 | * command may be handled in a few operations. As long as for | |
2415 | * other chips every operation handling is completed in a | |
2416 | * single ramrod, there is no need to utilize this field. | |
2417 | */ | |
2418 | }; | |
2419 | ||
2420 | static int bnx2x_mcast_wait(struct bnx2x *bp, | |
2421 | struct bnx2x_mcast_obj *o) | |
2422 | { | |
2423 | if (bnx2x_state_wait(bp, o->sched_state, o->raw.pstate) || | |
2424 | o->raw.wait_comp(bp, &o->raw)) | |
2425 | return -EBUSY; | |
2426 | ||
2427 | return 0; | |
2428 | } | |
2429 | ||
2430 | static int bnx2x_mcast_enqueue_cmd(struct bnx2x *bp, | |
2431 | struct bnx2x_mcast_obj *o, | |
2432 | struct bnx2x_mcast_ramrod_params *p, | |
2433 | int cmd) | |
2434 | { | |
2435 | int total_sz; | |
2436 | struct bnx2x_pending_mcast_cmd *new_cmd; | |
2437 | struct bnx2x_mcast_mac_elem *cur_mac = NULL; | |
2438 | struct bnx2x_mcast_list_elem *pos; | |
2439 | int macs_list_len = ((cmd == BNX2X_MCAST_CMD_ADD) ? | |
2440 | p->mcast_list_len : 0); | |
2441 | ||
2442 | /* If the command is empty ("handle pending commands only"), break */ | |
2443 | if (!p->mcast_list_len) | |
2444 | return 0; | |
2445 | ||
2446 | total_sz = sizeof(*new_cmd) + | |
2447 | macs_list_len * sizeof(struct bnx2x_mcast_mac_elem); | |
2448 | ||
2449 | /* Add mcast is called under spin_lock, thus calling with GFP_ATOMIC */ | |
2450 | new_cmd = kzalloc(total_sz, GFP_ATOMIC); | |
2451 | ||
2452 | if (!new_cmd) | |
2453 | return -ENOMEM; | |
2454 | ||
51c1a580 MS |
2455 | DP(BNX2X_MSG_SP, "About to enqueue a new %d command. macs_list_len=%d\n", |
2456 | cmd, macs_list_len); | |
619c5cb6 VZ |
2457 | |
2458 | INIT_LIST_HEAD(&new_cmd->data.macs_head); | |
2459 | ||
2460 | new_cmd->type = cmd; | |
2461 | new_cmd->done = false; | |
2462 | ||
2463 | switch (cmd) { | |
2464 | case BNX2X_MCAST_CMD_ADD: | |
2465 | cur_mac = (struct bnx2x_mcast_mac_elem *) | |
2466 | ((u8 *)new_cmd + sizeof(*new_cmd)); | |
2467 | ||
2468 | /* Push the MACs of the current command into the pendig command | |
2469 | * MACs list: FIFO | |
2470 | */ | |
2471 | list_for_each_entry(pos, &p->mcast_list, link) { | |
2472 | memcpy(cur_mac->mac, pos->mac, ETH_ALEN); | |
2473 | list_add_tail(&cur_mac->link, &new_cmd->data.macs_head); | |
2474 | cur_mac++; | |
2475 | } | |
2476 | ||
2477 | break; | |
2478 | ||
2479 | case BNX2X_MCAST_CMD_DEL: | |
2480 | new_cmd->data.macs_num = p->mcast_list_len; | |
2481 | break; | |
2482 | ||
2483 | case BNX2X_MCAST_CMD_RESTORE: | |
2484 | new_cmd->data.next_bin = 0; | |
2485 | break; | |
2486 | ||
2487 | default: | |
8b6d5c09 | 2488 | kfree(new_cmd); |
619c5cb6 VZ |
2489 | BNX2X_ERR("Unknown command: %d\n", cmd); |
2490 | return -EINVAL; | |
2491 | } | |
2492 | ||
2493 | /* Push the new pending command to the tail of the pending list: FIFO */ | |
2494 | list_add_tail(&new_cmd->link, &o->pending_cmds_head); | |
2495 | ||
2496 | o->set_sched(o); | |
2497 | ||
2498 | return 1; | |
2499 | } | |
2500 | ||
2501 | /** | |
2502 | * bnx2x_mcast_get_next_bin - get the next set bin (index) | |
2503 | * | |
2504 | * @o: | |
2505 | * @last: index to start looking from (including) | |
2506 | * | |
2507 | * returns the next found (set) bin or a negative value if none is found. | |
2508 | */ | |
2509 | static inline int bnx2x_mcast_get_next_bin(struct bnx2x_mcast_obj *o, int last) | |
2510 | { | |
2511 | int i, j, inner_start = last % BIT_VEC64_ELEM_SZ; | |
2512 | ||
2513 | for (i = last / BIT_VEC64_ELEM_SZ; i < BNX2X_MCAST_VEC_SZ; i++) { | |
2514 | if (o->registry.aprox_match.vec[i]) | |
2515 | for (j = inner_start; j < BIT_VEC64_ELEM_SZ; j++) { | |
2516 | int cur_bit = j + BIT_VEC64_ELEM_SZ * i; | |
2517 | if (BIT_VEC64_TEST_BIT(o->registry.aprox_match. | |
2518 | vec, cur_bit)) { | |
2519 | return cur_bit; | |
2520 | } | |
2521 | } | |
2522 | inner_start = 0; | |
2523 | } | |
2524 | ||
2525 | /* None found */ | |
2526 | return -1; | |
2527 | } | |
2528 | ||
2529 | /** | |
2530 | * bnx2x_mcast_clear_first_bin - find the first set bin and clear it | |
2531 | * | |
2532 | * @o: | |
2533 | * | |
2534 | * returns the index of the found bin or -1 if none is found | |
2535 | */ | |
2536 | static inline int bnx2x_mcast_clear_first_bin(struct bnx2x_mcast_obj *o) | |
2537 | { | |
2538 | int cur_bit = bnx2x_mcast_get_next_bin(o, 0); | |
2539 | ||
2540 | if (cur_bit >= 0) | |
2541 | BIT_VEC64_CLEAR_BIT(o->registry.aprox_match.vec, cur_bit); | |
2542 | ||
2543 | return cur_bit; | |
2544 | } | |
2545 | ||
2546 | static inline u8 bnx2x_mcast_get_rx_tx_flag(struct bnx2x_mcast_obj *o) | |
2547 | { | |
2548 | struct bnx2x_raw_obj *raw = &o->raw; | |
2549 | u8 rx_tx_flag = 0; | |
2550 | ||
2551 | if ((raw->obj_type == BNX2X_OBJ_TYPE_TX) || | |
2552 | (raw->obj_type == BNX2X_OBJ_TYPE_RX_TX)) | |
2553 | rx_tx_flag |= ETH_MULTICAST_RULES_CMD_TX_CMD; | |
2554 | ||
2555 | if ((raw->obj_type == BNX2X_OBJ_TYPE_RX) || | |
2556 | (raw->obj_type == BNX2X_OBJ_TYPE_RX_TX)) | |
2557 | rx_tx_flag |= ETH_MULTICAST_RULES_CMD_RX_CMD; | |
2558 | ||
2559 | return rx_tx_flag; | |
2560 | } | |
2561 | ||
2562 | static void bnx2x_mcast_set_one_rule_e2(struct bnx2x *bp, | |
2563 | struct bnx2x_mcast_obj *o, int idx, | |
2564 | union bnx2x_mcast_config_data *cfg_data, | |
2565 | int cmd) | |
2566 | { | |
2567 | struct bnx2x_raw_obj *r = &o->raw; | |
2568 | struct eth_multicast_rules_ramrod_data *data = | |
2569 | (struct eth_multicast_rules_ramrod_data *)(r->rdata); | |
2570 | u8 func_id = r->func_id; | |
2571 | u8 rx_tx_add_flag = bnx2x_mcast_get_rx_tx_flag(o); | |
2572 | int bin; | |
2573 | ||
2574 | if ((cmd == BNX2X_MCAST_CMD_ADD) || (cmd == BNX2X_MCAST_CMD_RESTORE)) | |
2575 | rx_tx_add_flag |= ETH_MULTICAST_RULES_CMD_IS_ADD; | |
2576 | ||
2577 | data->rules[idx].cmd_general_data |= rx_tx_add_flag; | |
2578 | ||
2579 | /* Get a bin and update a bins' vector */ | |
2580 | switch (cmd) { | |
2581 | case BNX2X_MCAST_CMD_ADD: | |
2582 | bin = bnx2x_mcast_bin_from_mac(cfg_data->mac); | |
2583 | BIT_VEC64_SET_BIT(o->registry.aprox_match.vec, bin); | |
2584 | break; | |
2585 | ||
2586 | case BNX2X_MCAST_CMD_DEL: | |
2587 | /* If there were no more bins to clear | |
2588 | * (bnx2x_mcast_clear_first_bin() returns -1) then we would | |
2589 | * clear any (0xff) bin. | |
2590 | * See bnx2x_mcast_validate_e2() for explanation when it may | |
2591 | * happen. | |
2592 | */ | |
2593 | bin = bnx2x_mcast_clear_first_bin(o); | |
2594 | break; | |
2595 | ||
2596 | case BNX2X_MCAST_CMD_RESTORE: | |
2597 | bin = cfg_data->bin; | |
2598 | break; | |
2599 | ||
2600 | default: | |
2601 | BNX2X_ERR("Unknown command: %d\n", cmd); | |
2602 | return; | |
2603 | } | |
2604 | ||
2605 | DP(BNX2X_MSG_SP, "%s bin %d\n", | |
2606 | ((rx_tx_add_flag & ETH_MULTICAST_RULES_CMD_IS_ADD) ? | |
2607 | "Setting" : "Clearing"), bin); | |
2608 | ||
2609 | data->rules[idx].bin_id = (u8)bin; | |
2610 | data->rules[idx].func_id = func_id; | |
2611 | data->rules[idx].engine_id = o->engine_id; | |
2612 | } | |
2613 | ||
2614 | /** | |
2615 | * bnx2x_mcast_handle_restore_cmd_e2 - restore configuration from the registry | |
2616 | * | |
2617 | * @bp: device handle | |
2618 | * @o: | |
2619 | * @start_bin: index in the registry to start from (including) | |
2620 | * @rdata_idx: index in the ramrod data to start from | |
2621 | * | |
2622 | * returns last handled bin index or -1 if all bins have been handled | |
2623 | */ | |
2624 | static inline int bnx2x_mcast_handle_restore_cmd_e2( | |
2625 | struct bnx2x *bp, struct bnx2x_mcast_obj *o , int start_bin, | |
2626 | int *rdata_idx) | |
2627 | { | |
2628 | int cur_bin, cnt = *rdata_idx; | |
2629 | union bnx2x_mcast_config_data cfg_data = {0}; | |
2630 | ||
2631 | /* go through the registry and configure the bins from it */ | |
2632 | for (cur_bin = bnx2x_mcast_get_next_bin(o, start_bin); cur_bin >= 0; | |
2633 | cur_bin = bnx2x_mcast_get_next_bin(o, cur_bin + 1)) { | |
2634 | ||
2635 | cfg_data.bin = (u8)cur_bin; | |
2636 | o->set_one_rule(bp, o, cnt, &cfg_data, | |
2637 | BNX2X_MCAST_CMD_RESTORE); | |
2638 | ||
2639 | cnt++; | |
2640 | ||
2641 | DP(BNX2X_MSG_SP, "About to configure a bin %d\n", cur_bin); | |
2642 | ||
2643 | /* Break if we reached the maximum number | |
2644 | * of rules. | |
2645 | */ | |
2646 | if (cnt >= o->max_cmd_len) | |
2647 | break; | |
2648 | } | |
2649 | ||
2650 | *rdata_idx = cnt; | |
2651 | ||
2652 | return cur_bin; | |
2653 | } | |
2654 | ||
2655 | static inline void bnx2x_mcast_hdl_pending_add_e2(struct bnx2x *bp, | |
2656 | struct bnx2x_mcast_obj *o, struct bnx2x_pending_mcast_cmd *cmd_pos, | |
2657 | int *line_idx) | |
2658 | { | |
2659 | struct bnx2x_mcast_mac_elem *pmac_pos, *pmac_pos_n; | |
2660 | int cnt = *line_idx; | |
2661 | union bnx2x_mcast_config_data cfg_data = {0}; | |
2662 | ||
2663 | list_for_each_entry_safe(pmac_pos, pmac_pos_n, &cmd_pos->data.macs_head, | |
2664 | link) { | |
2665 | ||
2666 | cfg_data.mac = &pmac_pos->mac[0]; | |
2667 | o->set_one_rule(bp, o, cnt, &cfg_data, cmd_pos->type); | |
2668 | ||
2669 | cnt++; | |
2670 | ||
0f9dad10 | 2671 | DP(BNX2X_MSG_SP, "About to configure %pM mcast MAC\n", |
51c1a580 | 2672 | pmac_pos->mac); |
619c5cb6 VZ |
2673 | |
2674 | list_del(&pmac_pos->link); | |
2675 | ||
2676 | /* Break if we reached the maximum number | |
2677 | * of rules. | |
2678 | */ | |
2679 | if (cnt >= o->max_cmd_len) | |
2680 | break; | |
2681 | } | |
2682 | ||
2683 | *line_idx = cnt; | |
2684 | ||
2685 | /* if no more MACs to configure - we are done */ | |
2686 | if (list_empty(&cmd_pos->data.macs_head)) | |
2687 | cmd_pos->done = true; | |
2688 | } | |
2689 | ||
2690 | static inline void bnx2x_mcast_hdl_pending_del_e2(struct bnx2x *bp, | |
2691 | struct bnx2x_mcast_obj *o, struct bnx2x_pending_mcast_cmd *cmd_pos, | |
2692 | int *line_idx) | |
2693 | { | |
2694 | int cnt = *line_idx; | |
2695 | ||
2696 | while (cmd_pos->data.macs_num) { | |
2697 | o->set_one_rule(bp, o, cnt, NULL, cmd_pos->type); | |
2698 | ||
2699 | cnt++; | |
2700 | ||
2701 | cmd_pos->data.macs_num--; | |
2702 | ||
2703 | DP(BNX2X_MSG_SP, "Deleting MAC. %d left,cnt is %d\n", | |
2704 | cmd_pos->data.macs_num, cnt); | |
2705 | ||
2706 | /* Break if we reached the maximum | |
2707 | * number of rules. | |
2708 | */ | |
2709 | if (cnt >= o->max_cmd_len) | |
2710 | break; | |
2711 | } | |
2712 | ||
2713 | *line_idx = cnt; | |
2714 | ||
2715 | /* If we cleared all bins - we are done */ | |
2716 | if (!cmd_pos->data.macs_num) | |
2717 | cmd_pos->done = true; | |
2718 | } | |
2719 | ||
2720 | static inline void bnx2x_mcast_hdl_pending_restore_e2(struct bnx2x *bp, | |
2721 | struct bnx2x_mcast_obj *o, struct bnx2x_pending_mcast_cmd *cmd_pos, | |
2722 | int *line_idx) | |
2723 | { | |
2724 | cmd_pos->data.next_bin = o->hdl_restore(bp, o, cmd_pos->data.next_bin, | |
2725 | line_idx); | |
2726 | ||
2727 | if (cmd_pos->data.next_bin < 0) | |
2728 | /* If o->set_restore returned -1 we are done */ | |
2729 | cmd_pos->done = true; | |
2730 | else | |
2731 | /* Start from the next bin next time */ | |
2732 | cmd_pos->data.next_bin++; | |
2733 | } | |
2734 | ||
2735 | static inline int bnx2x_mcast_handle_pending_cmds_e2(struct bnx2x *bp, | |
2736 | struct bnx2x_mcast_ramrod_params *p) | |
2737 | { | |
2738 | struct bnx2x_pending_mcast_cmd *cmd_pos, *cmd_pos_n; | |
2739 | int cnt = 0; | |
2740 | struct bnx2x_mcast_obj *o = p->mcast_obj; | |
2741 | ||
2742 | list_for_each_entry_safe(cmd_pos, cmd_pos_n, &o->pending_cmds_head, | |
2743 | link) { | |
2744 | switch (cmd_pos->type) { | |
2745 | case BNX2X_MCAST_CMD_ADD: | |
2746 | bnx2x_mcast_hdl_pending_add_e2(bp, o, cmd_pos, &cnt); | |
2747 | break; | |
2748 | ||
2749 | case BNX2X_MCAST_CMD_DEL: | |
2750 | bnx2x_mcast_hdl_pending_del_e2(bp, o, cmd_pos, &cnt); | |
2751 | break; | |
2752 | ||
2753 | case BNX2X_MCAST_CMD_RESTORE: | |
2754 | bnx2x_mcast_hdl_pending_restore_e2(bp, o, cmd_pos, | |
2755 | &cnt); | |
2756 | break; | |
2757 | ||
2758 | default: | |
2759 | BNX2X_ERR("Unknown command: %d\n", cmd_pos->type); | |
2760 | return -EINVAL; | |
2761 | } | |
2762 | ||
2763 | /* If the command has been completed - remove it from the list | |
2764 | * and free the memory | |
2765 | */ | |
2766 | if (cmd_pos->done) { | |
2767 | list_del(&cmd_pos->link); | |
2768 | kfree(cmd_pos); | |
2769 | } | |
2770 | ||
2771 | /* Break if we reached the maximum number of rules */ | |
2772 | if (cnt >= o->max_cmd_len) | |
2773 | break; | |
2774 | } | |
2775 | ||
2776 | return cnt; | |
2777 | } | |
2778 | ||
2779 | static inline void bnx2x_mcast_hdl_add(struct bnx2x *bp, | |
2780 | struct bnx2x_mcast_obj *o, struct bnx2x_mcast_ramrod_params *p, | |
2781 | int *line_idx) | |
2782 | { | |
2783 | struct bnx2x_mcast_list_elem *mlist_pos; | |
2784 | union bnx2x_mcast_config_data cfg_data = {0}; | |
2785 | int cnt = *line_idx; | |
2786 | ||
2787 | list_for_each_entry(mlist_pos, &p->mcast_list, link) { | |
2788 | cfg_data.mac = mlist_pos->mac; | |
2789 | o->set_one_rule(bp, o, cnt, &cfg_data, BNX2X_MCAST_CMD_ADD); | |
2790 | ||
2791 | cnt++; | |
2792 | ||
0f9dad10 JP |
2793 | DP(BNX2X_MSG_SP, "About to configure %pM mcast MAC\n", |
2794 | mlist_pos->mac); | |
619c5cb6 VZ |
2795 | } |
2796 | ||
2797 | *line_idx = cnt; | |
2798 | } | |
2799 | ||
2800 | static inline void bnx2x_mcast_hdl_del(struct bnx2x *bp, | |
2801 | struct bnx2x_mcast_obj *o, struct bnx2x_mcast_ramrod_params *p, | |
2802 | int *line_idx) | |
2803 | { | |
2804 | int cnt = *line_idx, i; | |
2805 | ||
2806 | for (i = 0; i < p->mcast_list_len; i++) { | |
2807 | o->set_one_rule(bp, o, cnt, NULL, BNX2X_MCAST_CMD_DEL); | |
2808 | ||
2809 | cnt++; | |
2810 | ||
2811 | DP(BNX2X_MSG_SP, "Deleting MAC. %d left\n", | |
2812 | p->mcast_list_len - i - 1); | |
2813 | } | |
2814 | ||
2815 | *line_idx = cnt; | |
2816 | } | |
2817 | ||
2818 | /** | |
2819 | * bnx2x_mcast_handle_current_cmd - | |
2820 | * | |
2821 | * @bp: device handle | |
2822 | * @p: | |
2823 | * @cmd: | |
2824 | * @start_cnt: first line in the ramrod data that may be used | |
2825 | * | |
2826 | * This function is called iff there is enough place for the current command in | |
2827 | * the ramrod data. | |
2828 | * Returns number of lines filled in the ramrod data in total. | |
2829 | */ | |
2830 | static inline int bnx2x_mcast_handle_current_cmd(struct bnx2x *bp, | |
2831 | struct bnx2x_mcast_ramrod_params *p, int cmd, | |
2832 | int start_cnt) | |
2833 | { | |
2834 | struct bnx2x_mcast_obj *o = p->mcast_obj; | |
2835 | int cnt = start_cnt; | |
2836 | ||
2837 | DP(BNX2X_MSG_SP, "p->mcast_list_len=%d\n", p->mcast_list_len); | |
2838 | ||
2839 | switch (cmd) { | |
2840 | case BNX2X_MCAST_CMD_ADD: | |
2841 | bnx2x_mcast_hdl_add(bp, o, p, &cnt); | |
2842 | break; | |
2843 | ||
2844 | case BNX2X_MCAST_CMD_DEL: | |
2845 | bnx2x_mcast_hdl_del(bp, o, p, &cnt); | |
2846 | break; | |
2847 | ||
2848 | case BNX2X_MCAST_CMD_RESTORE: | |
2849 | o->hdl_restore(bp, o, 0, &cnt); | |
2850 | break; | |
2851 | ||
2852 | default: | |
2853 | BNX2X_ERR("Unknown command: %d\n", cmd); | |
2854 | return -EINVAL; | |
2855 | } | |
2856 | ||
2857 | /* The current command has been handled */ | |
2858 | p->mcast_list_len = 0; | |
2859 | ||
2860 | return cnt; | |
2861 | } | |
2862 | ||
2863 | static int bnx2x_mcast_validate_e2(struct bnx2x *bp, | |
2864 | struct bnx2x_mcast_ramrod_params *p, | |
2865 | int cmd) | |
2866 | { | |
2867 | struct bnx2x_mcast_obj *o = p->mcast_obj; | |
2868 | int reg_sz = o->get_registry_size(o); | |
2869 | ||
2870 | switch (cmd) { | |
2871 | /* DEL command deletes all currently configured MACs */ | |
2872 | case BNX2X_MCAST_CMD_DEL: | |
2873 | o->set_registry_size(o, 0); | |
2874 | /* Don't break */ | |
2875 | ||
2876 | /* RESTORE command will restore the entire multicast configuration */ | |
2877 | case BNX2X_MCAST_CMD_RESTORE: | |
2878 | /* Here we set the approximate amount of work to do, which in | |
2879 | * fact may be only less as some MACs in postponed ADD | |
2880 | * command(s) scheduled before this command may fall into | |
2881 | * the same bin and the actual number of bins set in the | |
2882 | * registry would be less than we estimated here. See | |
2883 | * bnx2x_mcast_set_one_rule_e2() for further details. | |
2884 | */ | |
2885 | p->mcast_list_len = reg_sz; | |
2886 | break; | |
2887 | ||
2888 | case BNX2X_MCAST_CMD_ADD: | |
2889 | case BNX2X_MCAST_CMD_CONT: | |
2890 | /* Here we assume that all new MACs will fall into new bins. | |
2891 | * However we will correct the real registry size after we | |
2892 | * handle all pending commands. | |
2893 | */ | |
2894 | o->set_registry_size(o, reg_sz + p->mcast_list_len); | |
2895 | break; | |
2896 | ||
2897 | default: | |
2898 | BNX2X_ERR("Unknown command: %d\n", cmd); | |
2899 | return -EINVAL; | |
2900 | ||
2901 | } | |
2902 | ||
2903 | /* Increase the total number of MACs pending to be configured */ | |
2904 | o->total_pending_num += p->mcast_list_len; | |
2905 | ||
2906 | return 0; | |
2907 | } | |
2908 | ||
2909 | static void bnx2x_mcast_revert_e2(struct bnx2x *bp, | |
2910 | struct bnx2x_mcast_ramrod_params *p, | |
2911 | int old_num_bins) | |
2912 | { | |
2913 | struct bnx2x_mcast_obj *o = p->mcast_obj; | |
2914 | ||
2915 | o->set_registry_size(o, old_num_bins); | |
2916 | o->total_pending_num -= p->mcast_list_len; | |
2917 | } | |
2918 | ||
2919 | /** | |
2920 | * bnx2x_mcast_set_rdata_hdr_e2 - sets a header values | |
2921 | * | |
2922 | * @bp: device handle | |
2923 | * @p: | |
2924 | * @len: number of rules to handle | |
2925 | */ | |
2926 | static inline void bnx2x_mcast_set_rdata_hdr_e2(struct bnx2x *bp, | |
2927 | struct bnx2x_mcast_ramrod_params *p, | |
2928 | u8 len) | |
2929 | { | |
2930 | struct bnx2x_raw_obj *r = &p->mcast_obj->raw; | |
2931 | struct eth_multicast_rules_ramrod_data *data = | |
2932 | (struct eth_multicast_rules_ramrod_data *)(r->rdata); | |
2933 | ||
2934 | data->header.echo = ((r->cid & BNX2X_SWCID_MASK) | | |
2935 | (BNX2X_FILTER_MCAST_PENDING << BNX2X_SWCID_SHIFT)); | |
2936 | data->header.rule_cnt = len; | |
2937 | } | |
2938 | ||
2939 | /** | |
2940 | * bnx2x_mcast_refresh_registry_e2 - recalculate the actual number of set bins | |
2941 | * | |
2942 | * @bp: device handle | |
2943 | * @o: | |
2944 | * | |
2945 | * Recalculate the actual number of set bins in the registry using Brian | |
2946 | * Kernighan's algorithm: it's execution complexity is as a number of set bins. | |
2947 | * | |
2948 | * returns 0 for the compliance with bnx2x_mcast_refresh_registry_e1(). | |
2949 | */ | |
2950 | static inline int bnx2x_mcast_refresh_registry_e2(struct bnx2x *bp, | |
2951 | struct bnx2x_mcast_obj *o) | |
2952 | { | |
2953 | int i, cnt = 0; | |
2954 | u64 elem; | |
2955 | ||
2956 | for (i = 0; i < BNX2X_MCAST_VEC_SZ; i++) { | |
2957 | elem = o->registry.aprox_match.vec[i]; | |
2958 | for (; elem; cnt++) | |
2959 | elem &= elem - 1; | |
2960 | } | |
2961 | ||
2962 | o->set_registry_size(o, cnt); | |
2963 | ||
2964 | return 0; | |
2965 | } | |
2966 | ||
2967 | static int bnx2x_mcast_setup_e2(struct bnx2x *bp, | |
2968 | struct bnx2x_mcast_ramrod_params *p, | |
2969 | int cmd) | |
2970 | { | |
2971 | struct bnx2x_raw_obj *raw = &p->mcast_obj->raw; | |
2972 | struct bnx2x_mcast_obj *o = p->mcast_obj; | |
2973 | struct eth_multicast_rules_ramrod_data *data = | |
2974 | (struct eth_multicast_rules_ramrod_data *)(raw->rdata); | |
2975 | int cnt = 0, rc; | |
2976 | ||
2977 | /* Reset the ramrod data buffer */ | |
2978 | memset(data, 0, sizeof(*data)); | |
2979 | ||
2980 | cnt = bnx2x_mcast_handle_pending_cmds_e2(bp, p); | |
2981 | ||
2982 | /* If there are no more pending commands - clear SCHEDULED state */ | |
2983 | if (list_empty(&o->pending_cmds_head)) | |
2984 | o->clear_sched(o); | |
2985 | ||
2986 | /* The below may be true iff there was enough room in ramrod | |
2987 | * data for all pending commands and for the current | |
2988 | * command. Otherwise the current command would have been added | |
2989 | * to the pending commands and p->mcast_list_len would have been | |
2990 | * zeroed. | |
2991 | */ | |
2992 | if (p->mcast_list_len > 0) | |
2993 | cnt = bnx2x_mcast_handle_current_cmd(bp, p, cmd, cnt); | |
2994 | ||
2995 | /* We've pulled out some MACs - update the total number of | |
2996 | * outstanding. | |
2997 | */ | |
2998 | o->total_pending_num -= cnt; | |
2999 | ||
3000 | /* send a ramrod */ | |
3001 | WARN_ON(o->total_pending_num < 0); | |
3002 | WARN_ON(cnt > o->max_cmd_len); | |
3003 | ||
3004 | bnx2x_mcast_set_rdata_hdr_e2(bp, p, (u8)cnt); | |
3005 | ||
3006 | /* Update a registry size if there are no more pending operations. | |
3007 | * | |
3008 | * We don't want to change the value of the registry size if there are | |
3009 | * pending operations because we want it to always be equal to the | |
3010 | * exact or the approximate number (see bnx2x_mcast_validate_e2()) of | |
3011 | * set bins after the last requested operation in order to properly | |
3012 | * evaluate the size of the next DEL/RESTORE operation. | |
3013 | * | |
3014 | * Note that we update the registry itself during command(s) handling | |
3015 | * - see bnx2x_mcast_set_one_rule_e2(). That's because for 57712 we | |
3016 | * aggregate multiple commands (ADD/DEL/RESTORE) into one ramrod but | |
3017 | * with a limited amount of update commands (per MAC/bin) and we don't | |
3018 | * know in this scope what the actual state of bins configuration is | |
3019 | * going to be after this ramrod. | |
3020 | */ | |
3021 | if (!o->total_pending_num) | |
3022 | bnx2x_mcast_refresh_registry_e2(bp, o); | |
3023 | ||
53e51e2f VZ |
3024 | /* |
3025 | * If CLEAR_ONLY was requested - don't send a ramrod and clear | |
619c5cb6 VZ |
3026 | * RAMROD_PENDING status immediately. |
3027 | */ | |
3028 | if (test_bit(RAMROD_DRV_CLR_ONLY, &p->ramrod_flags)) { | |
3029 | raw->clear_pending(raw); | |
3030 | return 0; | |
3031 | } else { | |
53e51e2f VZ |
3032 | /* |
3033 | * No need for an explicit memory barrier here as long we would | |
3034 | * need to ensure the ordering of writing to the SPQ element | |
3035 | * and updating of the SPQ producer which involves a memory | |
3036 | * read and we will have to put a full memory barrier there | |
3037 | * (inside bnx2x_sp_post()). | |
3038 | */ | |
3039 | ||
619c5cb6 VZ |
3040 | /* Send a ramrod */ |
3041 | rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_MULTICAST_RULES, | |
3042 | raw->cid, U64_HI(raw->rdata_mapping), | |
3043 | U64_LO(raw->rdata_mapping), | |
3044 | ETH_CONNECTION_TYPE); | |
3045 | if (rc) | |
3046 | return rc; | |
3047 | ||
3048 | /* Ramrod completion is pending */ | |
3049 | return 1; | |
3050 | } | |
3051 | } | |
3052 | ||
3053 | static int bnx2x_mcast_validate_e1h(struct bnx2x *bp, | |
3054 | struct bnx2x_mcast_ramrod_params *p, | |
3055 | int cmd) | |
3056 | { | |
3057 | /* Mark, that there is a work to do */ | |
3058 | if ((cmd == BNX2X_MCAST_CMD_DEL) || (cmd == BNX2X_MCAST_CMD_RESTORE)) | |
3059 | p->mcast_list_len = 1; | |
3060 | ||
3061 | return 0; | |
3062 | } | |
3063 | ||
3064 | static void bnx2x_mcast_revert_e1h(struct bnx2x *bp, | |
3065 | struct bnx2x_mcast_ramrod_params *p, | |
3066 | int old_num_bins) | |
3067 | { | |
3068 | /* Do nothing */ | |
3069 | } | |
3070 | ||
3071 | #define BNX2X_57711_SET_MC_FILTER(filter, bit) \ | |
3072 | do { \ | |
3073 | (filter)[(bit) >> 5] |= (1 << ((bit) & 0x1f)); \ | |
3074 | } while (0) | |
3075 | ||
3076 | static inline void bnx2x_mcast_hdl_add_e1h(struct bnx2x *bp, | |
3077 | struct bnx2x_mcast_obj *o, | |
3078 | struct bnx2x_mcast_ramrod_params *p, | |
3079 | u32 *mc_filter) | |
3080 | { | |
3081 | struct bnx2x_mcast_list_elem *mlist_pos; | |
3082 | int bit; | |
3083 | ||
3084 | list_for_each_entry(mlist_pos, &p->mcast_list, link) { | |
3085 | bit = bnx2x_mcast_bin_from_mac(mlist_pos->mac); | |
3086 | BNX2X_57711_SET_MC_FILTER(mc_filter, bit); | |
3087 | ||
0f9dad10 JP |
3088 | DP(BNX2X_MSG_SP, "About to configure %pM mcast MAC, bin %d\n", |
3089 | mlist_pos->mac, bit); | |
619c5cb6 VZ |
3090 | |
3091 | /* bookkeeping... */ | |
3092 | BIT_VEC64_SET_BIT(o->registry.aprox_match.vec, | |
3093 | bit); | |
3094 | } | |
3095 | } | |
3096 | ||
3097 | static inline void bnx2x_mcast_hdl_restore_e1h(struct bnx2x *bp, | |
3098 | struct bnx2x_mcast_obj *o, struct bnx2x_mcast_ramrod_params *p, | |
3099 | u32 *mc_filter) | |
3100 | { | |
3101 | int bit; | |
3102 | ||
3103 | for (bit = bnx2x_mcast_get_next_bin(o, 0); | |
3104 | bit >= 0; | |
3105 | bit = bnx2x_mcast_get_next_bin(o, bit + 1)) { | |
3106 | BNX2X_57711_SET_MC_FILTER(mc_filter, bit); | |
3107 | DP(BNX2X_MSG_SP, "About to set bin %d\n", bit); | |
3108 | } | |
3109 | } | |
3110 | ||
3111 | /* On 57711 we write the multicast MACs' aproximate match | |
3112 | * table by directly into the TSTORM's internal RAM. So we don't | |
3113 | * really need to handle any tricks to make it work. | |
3114 | */ | |
3115 | static int bnx2x_mcast_setup_e1h(struct bnx2x *bp, | |
3116 | struct bnx2x_mcast_ramrod_params *p, | |
3117 | int cmd) | |
3118 | { | |
3119 | int i; | |
3120 | struct bnx2x_mcast_obj *o = p->mcast_obj; | |
3121 | struct bnx2x_raw_obj *r = &o->raw; | |
3122 | ||
3123 | /* If CLEAR_ONLY has been requested - clear the registry | |
3124 | * and clear a pending bit. | |
3125 | */ | |
3126 | if (!test_bit(RAMROD_DRV_CLR_ONLY, &p->ramrod_flags)) { | |
3127 | u32 mc_filter[MC_HASH_SIZE] = {0}; | |
3128 | ||
3129 | /* Set the multicast filter bits before writing it into | |
3130 | * the internal memory. | |
3131 | */ | |
3132 | switch (cmd) { | |
3133 | case BNX2X_MCAST_CMD_ADD: | |
3134 | bnx2x_mcast_hdl_add_e1h(bp, o, p, mc_filter); | |
3135 | break; | |
3136 | ||
3137 | case BNX2X_MCAST_CMD_DEL: | |
94f05b0f JP |
3138 | DP(BNX2X_MSG_SP, |
3139 | "Invalidating multicast MACs configuration\n"); | |
619c5cb6 VZ |
3140 | |
3141 | /* clear the registry */ | |
3142 | memset(o->registry.aprox_match.vec, 0, | |
3143 | sizeof(o->registry.aprox_match.vec)); | |
3144 | break; | |
3145 | ||
3146 | case BNX2X_MCAST_CMD_RESTORE: | |
3147 | bnx2x_mcast_hdl_restore_e1h(bp, o, p, mc_filter); | |
3148 | break; | |
3149 | ||
3150 | default: | |
3151 | BNX2X_ERR("Unknown command: %d\n", cmd); | |
3152 | return -EINVAL; | |
3153 | } | |
3154 | ||
3155 | /* Set the mcast filter in the internal memory */ | |
3156 | for (i = 0; i < MC_HASH_SIZE; i++) | |
3157 | REG_WR(bp, MC_HASH_OFFSET(bp, i), mc_filter[i]); | |
3158 | } else | |
3159 | /* clear the registry */ | |
3160 | memset(o->registry.aprox_match.vec, 0, | |
3161 | sizeof(o->registry.aprox_match.vec)); | |
3162 | ||
3163 | /* We are done */ | |
3164 | r->clear_pending(r); | |
3165 | ||
3166 | return 0; | |
3167 | } | |
3168 | ||
3169 | static int bnx2x_mcast_validate_e1(struct bnx2x *bp, | |
3170 | struct bnx2x_mcast_ramrod_params *p, | |
3171 | int cmd) | |
3172 | { | |
3173 | struct bnx2x_mcast_obj *o = p->mcast_obj; | |
3174 | int reg_sz = o->get_registry_size(o); | |
3175 | ||
3176 | switch (cmd) { | |
3177 | /* DEL command deletes all currently configured MACs */ | |
3178 | case BNX2X_MCAST_CMD_DEL: | |
3179 | o->set_registry_size(o, 0); | |
3180 | /* Don't break */ | |
3181 | ||
3182 | /* RESTORE command will restore the entire multicast configuration */ | |
3183 | case BNX2X_MCAST_CMD_RESTORE: | |
3184 | p->mcast_list_len = reg_sz; | |
3185 | DP(BNX2X_MSG_SP, "Command %d, p->mcast_list_len=%d\n", | |
3186 | cmd, p->mcast_list_len); | |
3187 | break; | |
3188 | ||
3189 | case BNX2X_MCAST_CMD_ADD: | |
3190 | case BNX2X_MCAST_CMD_CONT: | |
3191 | /* Multicast MACs on 57710 are configured as unicast MACs and | |
3192 | * there is only a limited number of CAM entries for that | |
3193 | * matter. | |
3194 | */ | |
3195 | if (p->mcast_list_len > o->max_cmd_len) { | |
51c1a580 MS |
3196 | BNX2X_ERR("Can't configure more than %d multicast MACs on 57710\n", |
3197 | o->max_cmd_len); | |
619c5cb6 VZ |
3198 | return -EINVAL; |
3199 | } | |
3200 | /* Every configured MAC should be cleared if DEL command is | |
3201 | * called. Only the last ADD command is relevant as long as | |
3202 | * every ADD commands overrides the previous configuration. | |
3203 | */ | |
3204 | DP(BNX2X_MSG_SP, "p->mcast_list_len=%d\n", p->mcast_list_len); | |
3205 | if (p->mcast_list_len > 0) | |
3206 | o->set_registry_size(o, p->mcast_list_len); | |
3207 | ||
3208 | break; | |
3209 | ||
3210 | default: | |
3211 | BNX2X_ERR("Unknown command: %d\n", cmd); | |
3212 | return -EINVAL; | |
3213 | ||
3214 | } | |
3215 | ||
3216 | /* We want to ensure that commands are executed one by one for 57710. | |
3217 | * Therefore each none-empty command will consume o->max_cmd_len. | |
3218 | */ | |
3219 | if (p->mcast_list_len) | |
3220 | o->total_pending_num += o->max_cmd_len; | |
3221 | ||
3222 | return 0; | |
3223 | } | |
3224 | ||
3225 | static void bnx2x_mcast_revert_e1(struct bnx2x *bp, | |
3226 | struct bnx2x_mcast_ramrod_params *p, | |
3227 | int old_num_macs) | |
3228 | { | |
3229 | struct bnx2x_mcast_obj *o = p->mcast_obj; | |
3230 | ||
3231 | o->set_registry_size(o, old_num_macs); | |
3232 | ||
3233 | /* If current command hasn't been handled yet and we are | |
3234 | * here means that it's meant to be dropped and we have to | |
3235 | * update the number of outstandling MACs accordingly. | |
3236 | */ | |
3237 | if (p->mcast_list_len) | |
3238 | o->total_pending_num -= o->max_cmd_len; | |
3239 | } | |
3240 | ||
3241 | static void bnx2x_mcast_set_one_rule_e1(struct bnx2x *bp, | |
3242 | struct bnx2x_mcast_obj *o, int idx, | |
3243 | union bnx2x_mcast_config_data *cfg_data, | |
3244 | int cmd) | |
3245 | { | |
3246 | struct bnx2x_raw_obj *r = &o->raw; | |
3247 | struct mac_configuration_cmd *data = | |
3248 | (struct mac_configuration_cmd *)(r->rdata); | |
3249 | ||
3250 | /* copy mac */ | |
3251 | if ((cmd == BNX2X_MCAST_CMD_ADD) || (cmd == BNX2X_MCAST_CMD_RESTORE)) { | |
3252 | bnx2x_set_fw_mac_addr(&data->config_table[idx].msb_mac_addr, | |
3253 | &data->config_table[idx].middle_mac_addr, | |
3254 | &data->config_table[idx].lsb_mac_addr, | |
3255 | cfg_data->mac); | |
3256 | ||
3257 | data->config_table[idx].vlan_id = 0; | |
3258 | data->config_table[idx].pf_id = r->func_id; | |
3259 | data->config_table[idx].clients_bit_vector = | |
3260 | cpu_to_le32(1 << r->cl_id); | |
3261 | ||
3262 | SET_FLAG(data->config_table[idx].flags, | |
3263 | MAC_CONFIGURATION_ENTRY_ACTION_TYPE, | |
3264 | T_ETH_MAC_COMMAND_SET); | |
3265 | } | |
3266 | } | |
3267 | ||
3268 | /** | |
3269 | * bnx2x_mcast_set_rdata_hdr_e1 - set header values in mac_configuration_cmd | |
3270 | * | |
3271 | * @bp: device handle | |
3272 | * @p: | |
3273 | * @len: number of rules to handle | |
3274 | */ | |
3275 | static inline void bnx2x_mcast_set_rdata_hdr_e1(struct bnx2x *bp, | |
3276 | struct bnx2x_mcast_ramrod_params *p, | |
3277 | u8 len) | |
3278 | { | |
3279 | struct bnx2x_raw_obj *r = &p->mcast_obj->raw; | |
3280 | struct mac_configuration_cmd *data = | |
3281 | (struct mac_configuration_cmd *)(r->rdata); | |
3282 | ||
3283 | u8 offset = (CHIP_REV_IS_SLOW(bp) ? | |
3284 | BNX2X_MAX_EMUL_MULTI*(1 + r->func_id) : | |
3285 | BNX2X_MAX_MULTICAST*(1 + r->func_id)); | |
3286 | ||
3287 | data->hdr.offset = offset; | |
3288 | data->hdr.client_id = 0xff; | |
3289 | data->hdr.echo = ((r->cid & BNX2X_SWCID_MASK) | | |
3290 | (BNX2X_FILTER_MCAST_PENDING << BNX2X_SWCID_SHIFT)); | |
3291 | data->hdr.length = len; | |
3292 | } | |
3293 | ||
3294 | /** | |
3295 | * bnx2x_mcast_handle_restore_cmd_e1 - restore command for 57710 | |
3296 | * | |
3297 | * @bp: device handle | |
3298 | * @o: | |
3299 | * @start_idx: index in the registry to start from | |
3300 | * @rdata_idx: index in the ramrod data to start from | |
3301 | * | |
3302 | * restore command for 57710 is like all other commands - always a stand alone | |
3303 | * command - start_idx and rdata_idx will always be 0. This function will always | |
3304 | * succeed. | |
3305 | * returns -1 to comply with 57712 variant. | |
3306 | */ | |
3307 | static inline int bnx2x_mcast_handle_restore_cmd_e1( | |
3308 | struct bnx2x *bp, struct bnx2x_mcast_obj *o , int start_idx, | |
3309 | int *rdata_idx) | |
3310 | { | |
3311 | struct bnx2x_mcast_mac_elem *elem; | |
3312 | int i = 0; | |
3313 | union bnx2x_mcast_config_data cfg_data = {0}; | |
3314 | ||
3315 | /* go through the registry and configure the MACs from it. */ | |
3316 | list_for_each_entry(elem, &o->registry.exact_match.macs, link) { | |
3317 | cfg_data.mac = &elem->mac[0]; | |
3318 | o->set_one_rule(bp, o, i, &cfg_data, BNX2X_MCAST_CMD_RESTORE); | |
3319 | ||
3320 | i++; | |
3321 | ||
0f9dad10 JP |
3322 | DP(BNX2X_MSG_SP, "About to configure %pM mcast MAC\n", |
3323 | cfg_data.mac); | |
619c5cb6 VZ |
3324 | } |
3325 | ||
3326 | *rdata_idx = i; | |
3327 | ||
3328 | return -1; | |
3329 | } | |
3330 | ||
3331 | ||
3332 | static inline int bnx2x_mcast_handle_pending_cmds_e1( | |
3333 | struct bnx2x *bp, struct bnx2x_mcast_ramrod_params *p) | |
3334 | { | |
3335 | struct bnx2x_pending_mcast_cmd *cmd_pos; | |
3336 | struct bnx2x_mcast_mac_elem *pmac_pos; | |
3337 | struct bnx2x_mcast_obj *o = p->mcast_obj; | |
3338 | union bnx2x_mcast_config_data cfg_data = {0}; | |
3339 | int cnt = 0; | |
3340 | ||
3341 | ||
3342 | /* If nothing to be done - return */ | |
3343 | if (list_empty(&o->pending_cmds_head)) | |
3344 | return 0; | |
3345 | ||
3346 | /* Handle the first command */ | |
3347 | cmd_pos = list_first_entry(&o->pending_cmds_head, | |
3348 | struct bnx2x_pending_mcast_cmd, link); | |
3349 | ||
3350 | switch (cmd_pos->type) { | |
3351 | case BNX2X_MCAST_CMD_ADD: | |
3352 | list_for_each_entry(pmac_pos, &cmd_pos->data.macs_head, link) { | |
3353 | cfg_data.mac = &pmac_pos->mac[0]; | |
3354 | o->set_one_rule(bp, o, cnt, &cfg_data, cmd_pos->type); | |
3355 | ||
3356 | cnt++; | |
3357 | ||
0f9dad10 JP |
3358 | DP(BNX2X_MSG_SP, "About to configure %pM mcast MAC\n", |
3359 | pmac_pos->mac); | |
619c5cb6 VZ |
3360 | } |
3361 | break; | |
3362 | ||
3363 | case BNX2X_MCAST_CMD_DEL: | |
3364 | cnt = cmd_pos->data.macs_num; | |
3365 | DP(BNX2X_MSG_SP, "About to delete %d multicast MACs\n", cnt); | |
3366 | break; | |
3367 | ||
3368 | case BNX2X_MCAST_CMD_RESTORE: | |
3369 | o->hdl_restore(bp, o, 0, &cnt); | |
3370 | break; | |
3371 | ||
3372 | default: | |
3373 | BNX2X_ERR("Unknown command: %d\n", cmd_pos->type); | |
3374 | return -EINVAL; | |
3375 | } | |
3376 | ||
3377 | list_del(&cmd_pos->link); | |
3378 | kfree(cmd_pos); | |
3379 | ||
3380 | return cnt; | |
3381 | } | |
3382 | ||
3383 | /** | |
3384 | * bnx2x_get_fw_mac_addr - revert the bnx2x_set_fw_mac_addr(). | |
3385 | * | |
3386 | * @fw_hi: | |
3387 | * @fw_mid: | |
3388 | * @fw_lo: | |
3389 | * @mac: | |
3390 | */ | |
3391 | static inline void bnx2x_get_fw_mac_addr(__le16 *fw_hi, __le16 *fw_mid, | |
3392 | __le16 *fw_lo, u8 *mac) | |
3393 | { | |
3394 | mac[1] = ((u8 *)fw_hi)[0]; | |
3395 | mac[0] = ((u8 *)fw_hi)[1]; | |
3396 | mac[3] = ((u8 *)fw_mid)[0]; | |
3397 | mac[2] = ((u8 *)fw_mid)[1]; | |
3398 | mac[5] = ((u8 *)fw_lo)[0]; | |
3399 | mac[4] = ((u8 *)fw_lo)[1]; | |
3400 | } | |
3401 | ||
3402 | /** | |
3403 | * bnx2x_mcast_refresh_registry_e1 - | |
3404 | * | |
3405 | * @bp: device handle | |
3406 | * @cnt: | |
3407 | * | |
3408 | * Check the ramrod data first entry flag to see if it's a DELETE or ADD command | |
3409 | * and update the registry correspondingly: if ADD - allocate a memory and add | |
3410 | * the entries to the registry (list), if DELETE - clear the registry and free | |
3411 | * the memory. | |
3412 | */ | |
3413 | static inline int bnx2x_mcast_refresh_registry_e1(struct bnx2x *bp, | |
3414 | struct bnx2x_mcast_obj *o) | |
3415 | { | |
3416 | struct bnx2x_raw_obj *raw = &o->raw; | |
3417 | struct bnx2x_mcast_mac_elem *elem; | |
3418 | struct mac_configuration_cmd *data = | |
3419 | (struct mac_configuration_cmd *)(raw->rdata); | |
3420 | ||
3421 | /* If first entry contains a SET bit - the command was ADD, | |
3422 | * otherwise - DEL_ALL | |
3423 | */ | |
3424 | if (GET_FLAG(data->config_table[0].flags, | |
3425 | MAC_CONFIGURATION_ENTRY_ACTION_TYPE)) { | |
3426 | int i, len = data->hdr.length; | |
3427 | ||
3428 | /* Break if it was a RESTORE command */ | |
3429 | if (!list_empty(&o->registry.exact_match.macs)) | |
3430 | return 0; | |
3431 | ||
01e23742 | 3432 | elem = kcalloc(len, sizeof(*elem), GFP_ATOMIC); |
619c5cb6 VZ |
3433 | if (!elem) { |
3434 | BNX2X_ERR("Failed to allocate registry memory\n"); | |
3435 | return -ENOMEM; | |
3436 | } | |
3437 | ||
3438 | for (i = 0; i < len; i++, elem++) { | |
3439 | bnx2x_get_fw_mac_addr( | |
3440 | &data->config_table[i].msb_mac_addr, | |
3441 | &data->config_table[i].middle_mac_addr, | |
3442 | &data->config_table[i].lsb_mac_addr, | |
3443 | elem->mac); | |
0f9dad10 | 3444 | DP(BNX2X_MSG_SP, "Adding registry entry for [%pM]\n", |
51c1a580 | 3445 | elem->mac); |
619c5cb6 VZ |
3446 | list_add_tail(&elem->link, |
3447 | &o->registry.exact_match.macs); | |
3448 | } | |
3449 | } else { | |
3450 | elem = list_first_entry(&o->registry.exact_match.macs, | |
3451 | struct bnx2x_mcast_mac_elem, link); | |
3452 | DP(BNX2X_MSG_SP, "Deleting a registry\n"); | |
3453 | kfree(elem); | |
3454 | INIT_LIST_HEAD(&o->registry.exact_match.macs); | |
3455 | } | |
3456 | ||
3457 | return 0; | |
3458 | } | |
3459 | ||
3460 | static int bnx2x_mcast_setup_e1(struct bnx2x *bp, | |
3461 | struct bnx2x_mcast_ramrod_params *p, | |
3462 | int cmd) | |
3463 | { | |
3464 | struct bnx2x_mcast_obj *o = p->mcast_obj; | |
3465 | struct bnx2x_raw_obj *raw = &o->raw; | |
3466 | struct mac_configuration_cmd *data = | |
3467 | (struct mac_configuration_cmd *)(raw->rdata); | |
3468 | int cnt = 0, i, rc; | |
3469 | ||
3470 | /* Reset the ramrod data buffer */ | |
3471 | memset(data, 0, sizeof(*data)); | |
3472 | ||
3473 | /* First set all entries as invalid */ | |
3474 | for (i = 0; i < o->max_cmd_len ; i++) | |
3475 | SET_FLAG(data->config_table[i].flags, | |
3476 | MAC_CONFIGURATION_ENTRY_ACTION_TYPE, | |
3477 | T_ETH_MAC_COMMAND_INVALIDATE); | |
3478 | ||
3479 | /* Handle pending commands first */ | |
3480 | cnt = bnx2x_mcast_handle_pending_cmds_e1(bp, p); | |
3481 | ||
3482 | /* If there are no more pending commands - clear SCHEDULED state */ | |
3483 | if (list_empty(&o->pending_cmds_head)) | |
3484 | o->clear_sched(o); | |
3485 | ||
3486 | /* The below may be true iff there were no pending commands */ | |
3487 | if (!cnt) | |
3488 | cnt = bnx2x_mcast_handle_current_cmd(bp, p, cmd, 0); | |
3489 | ||
3490 | /* For 57710 every command has o->max_cmd_len length to ensure that | |
3491 | * commands are done one at a time. | |
3492 | */ | |
3493 | o->total_pending_num -= o->max_cmd_len; | |
3494 | ||
3495 | /* send a ramrod */ | |
3496 | ||
3497 | WARN_ON(cnt > o->max_cmd_len); | |
3498 | ||
3499 | /* Set ramrod header (in particular, a number of entries to update) */ | |
3500 | bnx2x_mcast_set_rdata_hdr_e1(bp, p, (u8)cnt); | |
3501 | ||
3502 | /* update a registry: we need the registry contents to be always up | |
3503 | * to date in order to be able to execute a RESTORE opcode. Here | |
3504 | * we use the fact that for 57710 we sent one command at a time | |
3505 | * hence we may take the registry update out of the command handling | |
3506 | * and do it in a simpler way here. | |
3507 | */ | |
3508 | rc = bnx2x_mcast_refresh_registry_e1(bp, o); | |
3509 | if (rc) | |
3510 | return rc; | |
3511 | ||
53e51e2f VZ |
3512 | /* |
3513 | * If CLEAR_ONLY was requested - don't send a ramrod and clear | |
619c5cb6 VZ |
3514 | * RAMROD_PENDING status immediately. |
3515 | */ | |
3516 | if (test_bit(RAMROD_DRV_CLR_ONLY, &p->ramrod_flags)) { | |
3517 | raw->clear_pending(raw); | |
3518 | return 0; | |
3519 | } else { | |
53e51e2f VZ |
3520 | /* |
3521 | * No need for an explicit memory barrier here as long we would | |
3522 | * need to ensure the ordering of writing to the SPQ element | |
3523 | * and updating of the SPQ producer which involves a memory | |
3524 | * read and we will have to put a full memory barrier there | |
3525 | * (inside bnx2x_sp_post()). | |
3526 | */ | |
3527 | ||
619c5cb6 VZ |
3528 | /* Send a ramrod */ |
3529 | rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, raw->cid, | |
3530 | U64_HI(raw->rdata_mapping), | |
3531 | U64_LO(raw->rdata_mapping), | |
3532 | ETH_CONNECTION_TYPE); | |
3533 | if (rc) | |
3534 | return rc; | |
3535 | ||
3536 | /* Ramrod completion is pending */ | |
3537 | return 1; | |
3538 | } | |
3539 | ||
3540 | } | |
3541 | ||
3542 | static int bnx2x_mcast_get_registry_size_exact(struct bnx2x_mcast_obj *o) | |
3543 | { | |
3544 | return o->registry.exact_match.num_macs_set; | |
3545 | } | |
3546 | ||
3547 | static int bnx2x_mcast_get_registry_size_aprox(struct bnx2x_mcast_obj *o) | |
3548 | { | |
3549 | return o->registry.aprox_match.num_bins_set; | |
3550 | } | |
3551 | ||
3552 | static void bnx2x_mcast_set_registry_size_exact(struct bnx2x_mcast_obj *o, | |
3553 | int n) | |
3554 | { | |
3555 | o->registry.exact_match.num_macs_set = n; | |
3556 | } | |
3557 | ||
3558 | static void bnx2x_mcast_set_registry_size_aprox(struct bnx2x_mcast_obj *o, | |
3559 | int n) | |
3560 | { | |
3561 | o->registry.aprox_match.num_bins_set = n; | |
3562 | } | |
3563 | ||
3564 | int bnx2x_config_mcast(struct bnx2x *bp, | |
3565 | struct bnx2x_mcast_ramrod_params *p, | |
3566 | int cmd) | |
3567 | { | |
3568 | struct bnx2x_mcast_obj *o = p->mcast_obj; | |
3569 | struct bnx2x_raw_obj *r = &o->raw; | |
3570 | int rc = 0, old_reg_size; | |
3571 | ||
3572 | /* This is needed to recover number of currently configured mcast macs | |
3573 | * in case of failure. | |
3574 | */ | |
3575 | old_reg_size = o->get_registry_size(o); | |
3576 | ||
3577 | /* Do some calculations and checks */ | |
3578 | rc = o->validate(bp, p, cmd); | |
3579 | if (rc) | |
3580 | return rc; | |
3581 | ||
3582 | /* Return if there is no work to do */ | |
3583 | if ((!p->mcast_list_len) && (!o->check_sched(o))) | |
3584 | return 0; | |
3585 | ||
51c1a580 MS |
3586 | DP(BNX2X_MSG_SP, "o->total_pending_num=%d p->mcast_list_len=%d o->max_cmd_len=%d\n", |
3587 | o->total_pending_num, p->mcast_list_len, o->max_cmd_len); | |
619c5cb6 VZ |
3588 | |
3589 | /* Enqueue the current command to the pending list if we can't complete | |
3590 | * it in the current iteration | |
3591 | */ | |
3592 | if (r->check_pending(r) || | |
3593 | ((o->max_cmd_len > 0) && (o->total_pending_num > o->max_cmd_len))) { | |
3594 | rc = o->enqueue_cmd(bp, p->mcast_obj, p, cmd); | |
3595 | if (rc < 0) | |
3596 | goto error_exit1; | |
3597 | ||
3598 | /* As long as the current command is in a command list we | |
3599 | * don't need to handle it separately. | |
3600 | */ | |
3601 | p->mcast_list_len = 0; | |
3602 | } | |
3603 | ||
3604 | if (!r->check_pending(r)) { | |
3605 | ||
3606 | /* Set 'pending' state */ | |
3607 | r->set_pending(r); | |
3608 | ||
3609 | /* Configure the new classification in the chip */ | |
3610 | rc = o->config_mcast(bp, p, cmd); | |
3611 | if (rc < 0) | |
3612 | goto error_exit2; | |
3613 | ||
3614 | /* Wait for a ramrod completion if was requested */ | |
3615 | if (test_bit(RAMROD_COMP_WAIT, &p->ramrod_flags)) | |
3616 | rc = o->wait_comp(bp, o); | |
3617 | } | |
3618 | ||
3619 | return rc; | |
3620 | ||
3621 | error_exit2: | |
3622 | r->clear_pending(r); | |
3623 | ||
3624 | error_exit1: | |
3625 | o->revert(bp, p, old_reg_size); | |
3626 | ||
3627 | return rc; | |
3628 | } | |
3629 | ||
3630 | static void bnx2x_mcast_clear_sched(struct bnx2x_mcast_obj *o) | |
3631 | { | |
3632 | smp_mb__before_clear_bit(); | |
3633 | clear_bit(o->sched_state, o->raw.pstate); | |
3634 | smp_mb__after_clear_bit(); | |
3635 | } | |
3636 | ||
3637 | static void bnx2x_mcast_set_sched(struct bnx2x_mcast_obj *o) | |
3638 | { | |
3639 | smp_mb__before_clear_bit(); | |
3640 | set_bit(o->sched_state, o->raw.pstate); | |
3641 | smp_mb__after_clear_bit(); | |
3642 | } | |
3643 | ||
3644 | static bool bnx2x_mcast_check_sched(struct bnx2x_mcast_obj *o) | |
3645 | { | |
3646 | return !!test_bit(o->sched_state, o->raw.pstate); | |
3647 | } | |
3648 | ||
3649 | static bool bnx2x_mcast_check_pending(struct bnx2x_mcast_obj *o) | |
3650 | { | |
3651 | return o->raw.check_pending(&o->raw) || o->check_sched(o); | |
3652 | } | |
3653 | ||
3654 | void bnx2x_init_mcast_obj(struct bnx2x *bp, | |
3655 | struct bnx2x_mcast_obj *mcast_obj, | |
3656 | u8 mcast_cl_id, u32 mcast_cid, u8 func_id, | |
3657 | u8 engine_id, void *rdata, dma_addr_t rdata_mapping, | |
3658 | int state, unsigned long *pstate, bnx2x_obj_type type) | |
3659 | { | |
3660 | memset(mcast_obj, 0, sizeof(*mcast_obj)); | |
3661 | ||
3662 | bnx2x_init_raw_obj(&mcast_obj->raw, mcast_cl_id, mcast_cid, func_id, | |
3663 | rdata, rdata_mapping, state, pstate, type); | |
3664 | ||
3665 | mcast_obj->engine_id = engine_id; | |
3666 | ||
3667 | INIT_LIST_HEAD(&mcast_obj->pending_cmds_head); | |
3668 | ||
3669 | mcast_obj->sched_state = BNX2X_FILTER_MCAST_SCHED; | |
3670 | mcast_obj->check_sched = bnx2x_mcast_check_sched; | |
3671 | mcast_obj->set_sched = bnx2x_mcast_set_sched; | |
3672 | mcast_obj->clear_sched = bnx2x_mcast_clear_sched; | |
3673 | ||
3674 | if (CHIP_IS_E1(bp)) { | |
3675 | mcast_obj->config_mcast = bnx2x_mcast_setup_e1; | |
3676 | mcast_obj->enqueue_cmd = bnx2x_mcast_enqueue_cmd; | |
3677 | mcast_obj->hdl_restore = | |
3678 | bnx2x_mcast_handle_restore_cmd_e1; | |
3679 | mcast_obj->check_pending = bnx2x_mcast_check_pending; | |
3680 | ||
3681 | if (CHIP_REV_IS_SLOW(bp)) | |
3682 | mcast_obj->max_cmd_len = BNX2X_MAX_EMUL_MULTI; | |
3683 | else | |
3684 | mcast_obj->max_cmd_len = BNX2X_MAX_MULTICAST; | |
3685 | ||
3686 | mcast_obj->wait_comp = bnx2x_mcast_wait; | |
3687 | mcast_obj->set_one_rule = bnx2x_mcast_set_one_rule_e1; | |
3688 | mcast_obj->validate = bnx2x_mcast_validate_e1; | |
3689 | mcast_obj->revert = bnx2x_mcast_revert_e1; | |
3690 | mcast_obj->get_registry_size = | |
3691 | bnx2x_mcast_get_registry_size_exact; | |
3692 | mcast_obj->set_registry_size = | |
3693 | bnx2x_mcast_set_registry_size_exact; | |
3694 | ||
3695 | /* 57710 is the only chip that uses the exact match for mcast | |
3696 | * at the moment. | |
3697 | */ | |
3698 | INIT_LIST_HEAD(&mcast_obj->registry.exact_match.macs); | |
3699 | ||
3700 | } else if (CHIP_IS_E1H(bp)) { | |
3701 | mcast_obj->config_mcast = bnx2x_mcast_setup_e1h; | |
3702 | mcast_obj->enqueue_cmd = NULL; | |
3703 | mcast_obj->hdl_restore = NULL; | |
3704 | mcast_obj->check_pending = bnx2x_mcast_check_pending; | |
3705 | ||
3706 | /* 57711 doesn't send a ramrod, so it has unlimited credit | |
3707 | * for one command. | |
3708 | */ | |
3709 | mcast_obj->max_cmd_len = -1; | |
3710 | mcast_obj->wait_comp = bnx2x_mcast_wait; | |
3711 | mcast_obj->set_one_rule = NULL; | |
3712 | mcast_obj->validate = bnx2x_mcast_validate_e1h; | |
3713 | mcast_obj->revert = bnx2x_mcast_revert_e1h; | |
3714 | mcast_obj->get_registry_size = | |
3715 | bnx2x_mcast_get_registry_size_aprox; | |
3716 | mcast_obj->set_registry_size = | |
3717 | bnx2x_mcast_set_registry_size_aprox; | |
3718 | } else { | |
3719 | mcast_obj->config_mcast = bnx2x_mcast_setup_e2; | |
3720 | mcast_obj->enqueue_cmd = bnx2x_mcast_enqueue_cmd; | |
3721 | mcast_obj->hdl_restore = | |
3722 | bnx2x_mcast_handle_restore_cmd_e2; | |
3723 | mcast_obj->check_pending = bnx2x_mcast_check_pending; | |
3724 | /* TODO: There should be a proper HSI define for this number!!! | |
3725 | */ | |
3726 | mcast_obj->max_cmd_len = 16; | |
3727 | mcast_obj->wait_comp = bnx2x_mcast_wait; | |
3728 | mcast_obj->set_one_rule = bnx2x_mcast_set_one_rule_e2; | |
3729 | mcast_obj->validate = bnx2x_mcast_validate_e2; | |
3730 | mcast_obj->revert = bnx2x_mcast_revert_e2; | |
3731 | mcast_obj->get_registry_size = | |
3732 | bnx2x_mcast_get_registry_size_aprox; | |
3733 | mcast_obj->set_registry_size = | |
3734 | bnx2x_mcast_set_registry_size_aprox; | |
3735 | } | |
3736 | } | |
3737 | ||
3738 | /*************************** Credit handling **********************************/ | |
3739 | ||
3740 | /** | |
3741 | * atomic_add_ifless - add if the result is less than a given value. | |
3742 | * | |
3743 | * @v: pointer of type atomic_t | |
3744 | * @a: the amount to add to v... | |
3745 | * @u: ...if (v + a) is less than u. | |
3746 | * | |
3747 | * returns true if (v + a) was less than u, and false otherwise. | |
3748 | * | |
3749 | */ | |
3750 | static inline bool __atomic_add_ifless(atomic_t *v, int a, int u) | |
3751 | { | |
3752 | int c, old; | |
3753 | ||
3754 | c = atomic_read(v); | |
3755 | for (;;) { | |
3756 | if (unlikely(c + a >= u)) | |
3757 | return false; | |
3758 | ||
3759 | old = atomic_cmpxchg((v), c, c + a); | |
3760 | if (likely(old == c)) | |
3761 | break; | |
3762 | c = old; | |
3763 | } | |
3764 | ||
3765 | return true; | |
3766 | } | |
3767 | ||
3768 | /** | |
3769 | * atomic_dec_ifmoe - dec if the result is more or equal than a given value. | |
3770 | * | |
3771 | * @v: pointer of type atomic_t | |
3772 | * @a: the amount to dec from v... | |
3773 | * @u: ...if (v - a) is more or equal than u. | |
3774 | * | |
3775 | * returns true if (v - a) was more or equal than u, and false | |
3776 | * otherwise. | |
3777 | */ | |
3778 | static inline bool __atomic_dec_ifmoe(atomic_t *v, int a, int u) | |
3779 | { | |
3780 | int c, old; | |
3781 | ||
3782 | c = atomic_read(v); | |
3783 | for (;;) { | |
3784 | if (unlikely(c - a < u)) | |
3785 | return false; | |
3786 | ||
3787 | old = atomic_cmpxchg((v), c, c - a); | |
3788 | if (likely(old == c)) | |
3789 | break; | |
3790 | c = old; | |
3791 | } | |
3792 | ||
3793 | return true; | |
3794 | } | |
3795 | ||
3796 | static bool bnx2x_credit_pool_get(struct bnx2x_credit_pool_obj *o, int cnt) | |
3797 | { | |
3798 | bool rc; | |
3799 | ||
3800 | smp_mb(); | |
3801 | rc = __atomic_dec_ifmoe(&o->credit, cnt, 0); | |
3802 | smp_mb(); | |
3803 | ||
3804 | return rc; | |
3805 | } | |
3806 | ||
3807 | static bool bnx2x_credit_pool_put(struct bnx2x_credit_pool_obj *o, int cnt) | |
3808 | { | |
3809 | bool rc; | |
3810 | ||
3811 | smp_mb(); | |
3812 | ||
3813 | /* Don't let to refill if credit + cnt > pool_sz */ | |
3814 | rc = __atomic_add_ifless(&o->credit, cnt, o->pool_sz + 1); | |
3815 | ||
3816 | smp_mb(); | |
3817 | ||
3818 | return rc; | |
3819 | } | |
3820 | ||
3821 | static int bnx2x_credit_pool_check(struct bnx2x_credit_pool_obj *o) | |
3822 | { | |
3823 | int cur_credit; | |
3824 | ||
3825 | smp_mb(); | |
3826 | cur_credit = atomic_read(&o->credit); | |
3827 | ||
3828 | return cur_credit; | |
3829 | } | |
3830 | ||
3831 | static bool bnx2x_credit_pool_always_true(struct bnx2x_credit_pool_obj *o, | |
3832 | int cnt) | |
3833 | { | |
3834 | return true; | |
3835 | } | |
3836 | ||
3837 | ||
3838 | static bool bnx2x_credit_pool_get_entry( | |
3839 | struct bnx2x_credit_pool_obj *o, | |
3840 | int *offset) | |
3841 | { | |
3842 | int idx, vec, i; | |
3843 | ||
3844 | *offset = -1; | |
3845 | ||
3846 | /* Find "internal cam-offset" then add to base for this object... */ | |
3847 | for (vec = 0; vec < BNX2X_POOL_VEC_SIZE; vec++) { | |
3848 | ||
3849 | /* Skip the current vector if there are no free entries in it */ | |
3850 | if (!o->pool_mirror[vec]) | |
3851 | continue; | |
3852 | ||
3853 | /* If we've got here we are going to find a free entry */ | |
c54e9bd3 | 3854 | for (idx = vec * BIT_VEC64_ELEM_SZ, i = 0; |
619c5cb6 VZ |
3855 | i < BIT_VEC64_ELEM_SZ; idx++, i++) |
3856 | ||
3857 | if (BIT_VEC64_TEST_BIT(o->pool_mirror, idx)) { | |
3858 | /* Got one!! */ | |
3859 | BIT_VEC64_CLEAR_BIT(o->pool_mirror, idx); | |
3860 | *offset = o->base_pool_offset + idx; | |
3861 | return true; | |
3862 | } | |
3863 | } | |
3864 | ||
3865 | return false; | |
3866 | } | |
3867 | ||
3868 | static bool bnx2x_credit_pool_put_entry( | |
3869 | struct bnx2x_credit_pool_obj *o, | |
3870 | int offset) | |
3871 | { | |
3872 | if (offset < o->base_pool_offset) | |
3873 | return false; | |
3874 | ||
3875 | offset -= o->base_pool_offset; | |
3876 | ||
3877 | if (offset >= o->pool_sz) | |
3878 | return false; | |
3879 | ||
3880 | /* Return the entry to the pool */ | |
3881 | BIT_VEC64_SET_BIT(o->pool_mirror, offset); | |
3882 | ||
3883 | return true; | |
3884 | } | |
3885 | ||
3886 | static bool bnx2x_credit_pool_put_entry_always_true( | |
3887 | struct bnx2x_credit_pool_obj *o, | |
3888 | int offset) | |
3889 | { | |
3890 | return true; | |
3891 | } | |
3892 | ||
3893 | static bool bnx2x_credit_pool_get_entry_always_true( | |
3894 | struct bnx2x_credit_pool_obj *o, | |
3895 | int *offset) | |
3896 | { | |
3897 | *offset = -1; | |
3898 | return true; | |
3899 | } | |
3900 | /** | |
3901 | * bnx2x_init_credit_pool - initialize credit pool internals. | |
3902 | * | |
3903 | * @p: | |
3904 | * @base: Base entry in the CAM to use. | |
3905 | * @credit: pool size. | |
3906 | * | |
3907 | * If base is negative no CAM entries handling will be performed. | |
3908 | * If credit is negative pool operations will always succeed (unlimited pool). | |
3909 | * | |
3910 | */ | |
3911 | static inline void bnx2x_init_credit_pool(struct bnx2x_credit_pool_obj *p, | |
3912 | int base, int credit) | |
3913 | { | |
3914 | /* Zero the object first */ | |
3915 | memset(p, 0, sizeof(*p)); | |
3916 | ||
3917 | /* Set the table to all 1s */ | |
3918 | memset(&p->pool_mirror, 0xff, sizeof(p->pool_mirror)); | |
3919 | ||
3920 | /* Init a pool as full */ | |
3921 | atomic_set(&p->credit, credit); | |
3922 | ||
3923 | /* The total poll size */ | |
3924 | p->pool_sz = credit; | |
3925 | ||
3926 | p->base_pool_offset = base; | |
3927 | ||
3928 | /* Commit the change */ | |
3929 | smp_mb(); | |
3930 | ||
3931 | p->check = bnx2x_credit_pool_check; | |
3932 | ||
3933 | /* if pool credit is negative - disable the checks */ | |
3934 | if (credit >= 0) { | |
3935 | p->put = bnx2x_credit_pool_put; | |
3936 | p->get = bnx2x_credit_pool_get; | |
3937 | p->put_entry = bnx2x_credit_pool_put_entry; | |
3938 | p->get_entry = bnx2x_credit_pool_get_entry; | |
3939 | } else { | |
3940 | p->put = bnx2x_credit_pool_always_true; | |
3941 | p->get = bnx2x_credit_pool_always_true; | |
3942 | p->put_entry = bnx2x_credit_pool_put_entry_always_true; | |
3943 | p->get_entry = bnx2x_credit_pool_get_entry_always_true; | |
3944 | } | |
3945 | ||
3946 | /* If base is negative - disable entries handling */ | |
3947 | if (base < 0) { | |
3948 | p->put_entry = bnx2x_credit_pool_put_entry_always_true; | |
3949 | p->get_entry = bnx2x_credit_pool_get_entry_always_true; | |
3950 | } | |
3951 | } | |
3952 | ||
3953 | void bnx2x_init_mac_credit_pool(struct bnx2x *bp, | |
3954 | struct bnx2x_credit_pool_obj *p, u8 func_id, | |
3955 | u8 func_num) | |
3956 | { | |
3957 | /* TODO: this will be defined in consts as well... */ | |
3958 | #define BNX2X_CAM_SIZE_EMUL 5 | |
3959 | ||
3960 | int cam_sz; | |
3961 | ||
3962 | if (CHIP_IS_E1(bp)) { | |
3963 | /* In E1, Multicast is saved in cam... */ | |
3964 | if (!CHIP_REV_IS_SLOW(bp)) | |
3965 | cam_sz = (MAX_MAC_CREDIT_E1 / 2) - BNX2X_MAX_MULTICAST; | |
3966 | else | |
3967 | cam_sz = BNX2X_CAM_SIZE_EMUL - BNX2X_MAX_EMUL_MULTI; | |
3968 | ||
3969 | bnx2x_init_credit_pool(p, func_id * cam_sz, cam_sz); | |
3970 | ||
3971 | } else if (CHIP_IS_E1H(bp)) { | |
3972 | /* CAM credit is equaly divided between all active functions | |
3973 | * on the PORT!. | |
3974 | */ | |
3975 | if ((func_num > 0)) { | |
3976 | if (!CHIP_REV_IS_SLOW(bp)) | |
3977 | cam_sz = (MAX_MAC_CREDIT_E1H / (2*func_num)); | |
3978 | else | |
3979 | cam_sz = BNX2X_CAM_SIZE_EMUL; | |
3980 | bnx2x_init_credit_pool(p, func_id * cam_sz, cam_sz); | |
3981 | } else { | |
3982 | /* this should never happen! Block MAC operations. */ | |
3983 | bnx2x_init_credit_pool(p, 0, 0); | |
3984 | } | |
3985 | ||
3986 | } else { | |
3987 | ||
3988 | /* | |
3989 | * CAM credit is equaly divided between all active functions | |
3990 | * on the PATH. | |
3991 | */ | |
3992 | if ((func_num > 0)) { | |
3993 | if (!CHIP_REV_IS_SLOW(bp)) | |
3994 | cam_sz = (MAX_MAC_CREDIT_E2 / func_num); | |
3995 | else | |
3996 | cam_sz = BNX2X_CAM_SIZE_EMUL; | |
3997 | ||
3998 | /* | |
3999 | * No need for CAM entries handling for 57712 and | |
4000 | * newer. | |
4001 | */ | |
4002 | bnx2x_init_credit_pool(p, -1, cam_sz); | |
4003 | } else { | |
4004 | /* this should never happen! Block MAC operations. */ | |
4005 | bnx2x_init_credit_pool(p, 0, 0); | |
4006 | } | |
4007 | ||
4008 | } | |
4009 | } | |
4010 | ||
4011 | void bnx2x_init_vlan_credit_pool(struct bnx2x *bp, | |
4012 | struct bnx2x_credit_pool_obj *p, | |
4013 | u8 func_id, | |
4014 | u8 func_num) | |
4015 | { | |
4016 | if (CHIP_IS_E1x(bp)) { | |
4017 | /* | |
4018 | * There is no VLAN credit in HW on 57710 and 57711 only | |
4019 | * MAC / MAC-VLAN can be set | |
4020 | */ | |
4021 | bnx2x_init_credit_pool(p, 0, -1); | |
4022 | } else { | |
4023 | /* | |
4024 | * CAM credit is equaly divided between all active functions | |
4025 | * on the PATH. | |
4026 | */ | |
4027 | if (func_num > 0) { | |
4028 | int credit = MAX_VLAN_CREDIT_E2 / func_num; | |
4029 | bnx2x_init_credit_pool(p, func_id * credit, credit); | |
4030 | } else | |
4031 | /* this should never happen! Block VLAN operations. */ | |
4032 | bnx2x_init_credit_pool(p, 0, 0); | |
4033 | } | |
4034 | } | |
4035 | ||
4036 | /****************** RSS Configuration ******************/ | |
4037 | /** | |
4038 | * bnx2x_debug_print_ind_table - prints the indirection table configuration. | |
4039 | * | |
4040 | * @bp: driver hanlde | |
4041 | * @p: pointer to rss configuration | |
4042 | * | |
4043 | * Prints it when NETIF_MSG_IFUP debug level is configured. | |
4044 | */ | |
4045 | static inline void bnx2x_debug_print_ind_table(struct bnx2x *bp, | |
4046 | struct bnx2x_config_rss_params *p) | |
4047 | { | |
042181f5 VZ |
4048 | int i; |
4049 | ||
619c5cb6 VZ |
4050 | DP(BNX2X_MSG_SP, "Setting indirection table to:\n"); |
4051 | DP(BNX2X_MSG_SP, "0x0000: "); | |
4052 | for (i = 0; i < T_ETH_INDIRECTION_TABLE_SIZE; i++) { | |
4053 | DP_CONT(BNX2X_MSG_SP, "0x%02x ", p->ind_table[i]); | |
4054 | ||
4055 | /* Print 4 bytes in a line */ | |
4056 | if ((i + 1 < T_ETH_INDIRECTION_TABLE_SIZE) && | |
4057 | (((i + 1) & 0x3) == 0)) { | |
4058 | DP_CONT(BNX2X_MSG_SP, "\n"); | |
4059 | DP(BNX2X_MSG_SP, "0x%04x: ", i + 1); | |
4060 | } | |
4061 | } | |
4062 | ||
4063 | DP_CONT(BNX2X_MSG_SP, "\n"); | |
4064 | } | |
4065 | ||
4066 | /** | |
4067 | * bnx2x_setup_rss - configure RSS | |
4068 | * | |
4069 | * @bp: device handle | |
4070 | * @p: rss configuration | |
4071 | * | |
4072 | * sends on UPDATE ramrod for that matter. | |
4073 | */ | |
4074 | static int bnx2x_setup_rss(struct bnx2x *bp, | |
4075 | struct bnx2x_config_rss_params *p) | |
4076 | { | |
4077 | struct bnx2x_rss_config_obj *o = p->rss_obj; | |
4078 | struct bnx2x_raw_obj *r = &o->raw; | |
4079 | struct eth_rss_update_ramrod_data *data = | |
4080 | (struct eth_rss_update_ramrod_data *)(r->rdata); | |
4081 | u8 rss_mode = 0; | |
4082 | int rc; | |
4083 | ||
4084 | memset(data, 0, sizeof(*data)); | |
4085 | ||
4086 | DP(BNX2X_MSG_SP, "Configuring RSS\n"); | |
4087 | ||
4088 | /* Set an echo field */ | |
4089 | data->echo = (r->cid & BNX2X_SWCID_MASK) | | |
4090 | (r->state << BNX2X_SWCID_SHIFT); | |
4091 | ||
4092 | /* RSS mode */ | |
4093 | if (test_bit(BNX2X_RSS_MODE_DISABLED, &p->rss_flags)) | |
4094 | rss_mode = ETH_RSS_MODE_DISABLED; | |
4095 | else if (test_bit(BNX2X_RSS_MODE_REGULAR, &p->rss_flags)) | |
4096 | rss_mode = ETH_RSS_MODE_REGULAR; | |
619c5cb6 VZ |
4097 | |
4098 | data->rss_mode = rss_mode; | |
4099 | ||
4100 | DP(BNX2X_MSG_SP, "rss_mode=%d\n", rss_mode); | |
4101 | ||
4102 | /* RSS capabilities */ | |
4103 | if (test_bit(BNX2X_RSS_IPV4, &p->rss_flags)) | |
4104 | data->capabilities |= | |
4105 | ETH_RSS_UPDATE_RAMROD_DATA_IPV4_CAPABILITY; | |
4106 | ||
4107 | if (test_bit(BNX2X_RSS_IPV4_TCP, &p->rss_flags)) | |
4108 | data->capabilities |= | |
4109 | ETH_RSS_UPDATE_RAMROD_DATA_IPV4_TCP_CAPABILITY; | |
4110 | ||
5d317c6a MS |
4111 | if (test_bit(BNX2X_RSS_IPV4_UDP, &p->rss_flags)) |
4112 | data->capabilities |= | |
4113 | ETH_RSS_UPDATE_RAMROD_DATA_IPV4_UDP_CAPABILITY; | |
4114 | ||
619c5cb6 VZ |
4115 | if (test_bit(BNX2X_RSS_IPV6, &p->rss_flags)) |
4116 | data->capabilities |= | |
4117 | ETH_RSS_UPDATE_RAMROD_DATA_IPV6_CAPABILITY; | |
4118 | ||
4119 | if (test_bit(BNX2X_RSS_IPV6_TCP, &p->rss_flags)) | |
4120 | data->capabilities |= | |
4121 | ETH_RSS_UPDATE_RAMROD_DATA_IPV6_TCP_CAPABILITY; | |
4122 | ||
5d317c6a MS |
4123 | if (test_bit(BNX2X_RSS_IPV6_UDP, &p->rss_flags)) |
4124 | data->capabilities |= | |
4125 | ETH_RSS_UPDATE_RAMROD_DATA_IPV6_UDP_CAPABILITY; | |
4126 | ||
619c5cb6 VZ |
4127 | /* Hashing mask */ |
4128 | data->rss_result_mask = p->rss_result_mask; | |
4129 | ||
4130 | /* RSS engine ID */ | |
4131 | data->rss_engine_id = o->engine_id; | |
4132 | ||
4133 | DP(BNX2X_MSG_SP, "rss_engine_id=%d\n", data->rss_engine_id); | |
4134 | ||
4135 | /* Indirection table */ | |
4136 | memcpy(data->indirection_table, p->ind_table, | |
4137 | T_ETH_INDIRECTION_TABLE_SIZE); | |
4138 | ||
4139 | /* Remember the last configuration */ | |
4140 | memcpy(o->ind_table, p->ind_table, T_ETH_INDIRECTION_TABLE_SIZE); | |
4141 | ||
4142 | /* Print the indirection table */ | |
4143 | if (netif_msg_ifup(bp)) | |
4144 | bnx2x_debug_print_ind_table(bp, p); | |
4145 | ||
4146 | /* RSS keys */ | |
4147 | if (test_bit(BNX2X_RSS_SET_SRCH, &p->rss_flags)) { | |
4148 | memcpy(&data->rss_key[0], &p->rss_key[0], | |
4149 | sizeof(data->rss_key)); | |
4150 | data->capabilities |= ETH_RSS_UPDATE_RAMROD_DATA_UPDATE_RSS_KEY; | |
4151 | } | |
4152 | ||
53e51e2f VZ |
4153 | /* |
4154 | * No need for an explicit memory barrier here as long we would | |
4155 | * need to ensure the ordering of writing to the SPQ element | |
4156 | * and updating of the SPQ producer which involves a memory | |
4157 | * read and we will have to put a full memory barrier there | |
4158 | * (inside bnx2x_sp_post()). | |
4159 | */ | |
619c5cb6 VZ |
4160 | |
4161 | /* Send a ramrod */ | |
4162 | rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_RSS_UPDATE, r->cid, | |
4163 | U64_HI(r->rdata_mapping), | |
4164 | U64_LO(r->rdata_mapping), | |
4165 | ETH_CONNECTION_TYPE); | |
4166 | ||
4167 | if (rc < 0) | |
4168 | return rc; | |
4169 | ||
4170 | return 1; | |
4171 | } | |
4172 | ||
4173 | void bnx2x_get_rss_ind_table(struct bnx2x_rss_config_obj *rss_obj, | |
4174 | u8 *ind_table) | |
4175 | { | |
4176 | memcpy(ind_table, rss_obj->ind_table, sizeof(rss_obj->ind_table)); | |
4177 | } | |
4178 | ||
4179 | int bnx2x_config_rss(struct bnx2x *bp, | |
4180 | struct bnx2x_config_rss_params *p) | |
4181 | { | |
4182 | int rc; | |
4183 | struct bnx2x_rss_config_obj *o = p->rss_obj; | |
4184 | struct bnx2x_raw_obj *r = &o->raw; | |
4185 | ||
4186 | /* Do nothing if only driver cleanup was requested */ | |
4187 | if (test_bit(RAMROD_DRV_CLR_ONLY, &p->ramrod_flags)) | |
4188 | return 0; | |
4189 | ||
4190 | r->set_pending(r); | |
4191 | ||
4192 | rc = o->config_rss(bp, p); | |
4193 | if (rc < 0) { | |
4194 | r->clear_pending(r); | |
4195 | return rc; | |
4196 | } | |
4197 | ||
4198 | if (test_bit(RAMROD_COMP_WAIT, &p->ramrod_flags)) | |
4199 | rc = r->wait_comp(bp, r); | |
4200 | ||
4201 | return rc; | |
4202 | } | |
4203 | ||
4204 | ||
4205 | void bnx2x_init_rss_config_obj(struct bnx2x *bp, | |
4206 | struct bnx2x_rss_config_obj *rss_obj, | |
4207 | u8 cl_id, u32 cid, u8 func_id, u8 engine_id, | |
4208 | void *rdata, dma_addr_t rdata_mapping, | |
4209 | int state, unsigned long *pstate, | |
4210 | bnx2x_obj_type type) | |
4211 | { | |
4212 | bnx2x_init_raw_obj(&rss_obj->raw, cl_id, cid, func_id, rdata, | |
4213 | rdata_mapping, state, pstate, type); | |
4214 | ||
4215 | rss_obj->engine_id = engine_id; | |
4216 | rss_obj->config_rss = bnx2x_setup_rss; | |
4217 | } | |
4218 | ||
4219 | /********************** Queue state object ***********************************/ | |
4220 | ||
4221 | /** | |
4222 | * bnx2x_queue_state_change - perform Queue state change transition | |
4223 | * | |
4224 | * @bp: device handle | |
4225 | * @params: parameters to perform the transition | |
4226 | * | |
4227 | * returns 0 in case of successfully completed transition, negative error | |
4228 | * code in case of failure, positive (EBUSY) value if there is a completion | |
4229 | * to that is still pending (possible only if RAMROD_COMP_WAIT is | |
4230 | * not set in params->ramrod_flags for asynchronous commands). | |
4231 | * | |
4232 | */ | |
4233 | int bnx2x_queue_state_change(struct bnx2x *bp, | |
4234 | struct bnx2x_queue_state_params *params) | |
4235 | { | |
4236 | struct bnx2x_queue_sp_obj *o = params->q_obj; | |
4237 | int rc, pending_bit; | |
4238 | unsigned long *pending = &o->pending; | |
4239 | ||
4240 | /* Check that the requested transition is legal */ | |
4241 | if (o->check_transition(bp, o, params)) | |
4242 | return -EINVAL; | |
4243 | ||
4244 | /* Set "pending" bit */ | |
4245 | pending_bit = o->set_pending(o, params); | |
4246 | ||
4247 | /* Don't send a command if only driver cleanup was requested */ | |
4248 | if (test_bit(RAMROD_DRV_CLR_ONLY, ¶ms->ramrod_flags)) | |
4249 | o->complete_cmd(bp, o, pending_bit); | |
4250 | else { | |
4251 | /* Send a ramrod */ | |
4252 | rc = o->send_cmd(bp, params); | |
4253 | if (rc) { | |
4254 | o->next_state = BNX2X_Q_STATE_MAX; | |
4255 | clear_bit(pending_bit, pending); | |
4256 | smp_mb__after_clear_bit(); | |
4257 | return rc; | |
4258 | } | |
4259 | ||
4260 | if (test_bit(RAMROD_COMP_WAIT, ¶ms->ramrod_flags)) { | |
4261 | rc = o->wait_comp(bp, o, pending_bit); | |
4262 | if (rc) | |
4263 | return rc; | |
4264 | ||
4265 | return 0; | |
4266 | } | |
4267 | } | |
4268 | ||
4269 | return !!test_bit(pending_bit, pending); | |
4270 | } | |
4271 | ||
4272 | ||
4273 | static int bnx2x_queue_set_pending(struct bnx2x_queue_sp_obj *obj, | |
4274 | struct bnx2x_queue_state_params *params) | |
4275 | { | |
4276 | enum bnx2x_queue_cmd cmd = params->cmd, bit; | |
4277 | ||
4278 | /* ACTIVATE and DEACTIVATE commands are implemented on top of | |
4279 | * UPDATE command. | |
4280 | */ | |
4281 | if ((cmd == BNX2X_Q_CMD_ACTIVATE) || | |
4282 | (cmd == BNX2X_Q_CMD_DEACTIVATE)) | |
4283 | bit = BNX2X_Q_CMD_UPDATE; | |
4284 | else | |
4285 | bit = cmd; | |
4286 | ||
4287 | set_bit(bit, &obj->pending); | |
4288 | return bit; | |
4289 | } | |
4290 | ||
4291 | static int bnx2x_queue_wait_comp(struct bnx2x *bp, | |
4292 | struct bnx2x_queue_sp_obj *o, | |
4293 | enum bnx2x_queue_cmd cmd) | |
4294 | { | |
4295 | return bnx2x_state_wait(bp, cmd, &o->pending); | |
4296 | } | |
4297 | ||
4298 | /** | |
4299 | * bnx2x_queue_comp_cmd - complete the state change command. | |
4300 | * | |
4301 | * @bp: device handle | |
4302 | * @o: | |
4303 | * @cmd: | |
4304 | * | |
4305 | * Checks that the arrived completion is expected. | |
4306 | */ | |
4307 | static int bnx2x_queue_comp_cmd(struct bnx2x *bp, | |
4308 | struct bnx2x_queue_sp_obj *o, | |
4309 | enum bnx2x_queue_cmd cmd) | |
4310 | { | |
4311 | unsigned long cur_pending = o->pending; | |
4312 | ||
4313 | if (!test_and_clear_bit(cmd, &cur_pending)) { | |
51c1a580 MS |
4314 | BNX2X_ERR("Bad MC reply %d for queue %d in state %d pending 0x%lx, next_state %d\n", |
4315 | cmd, o->cids[BNX2X_PRIMARY_CID_INDEX], | |
619c5cb6 VZ |
4316 | o->state, cur_pending, o->next_state); |
4317 | return -EINVAL; | |
4318 | } | |
4319 | ||
6383c0b3 AE |
4320 | if (o->next_tx_only >= o->max_cos) |
4321 | /* >= becuase tx only must always be smaller than cos since the | |
4322 | * primary connection suports COS 0 | |
4323 | */ | |
4324 | BNX2X_ERR("illegal value for next tx_only: %d. max cos was %d", | |
4325 | o->next_tx_only, o->max_cos); | |
4326 | ||
51c1a580 MS |
4327 | DP(BNX2X_MSG_SP, |
4328 | "Completing command %d for queue %d, setting state to %d\n", | |
4329 | cmd, o->cids[BNX2X_PRIMARY_CID_INDEX], o->next_state); | |
6383c0b3 AE |
4330 | |
4331 | if (o->next_tx_only) /* print num tx-only if any exist */ | |
94f05b0f | 4332 | DP(BNX2X_MSG_SP, "primary cid %d: num tx-only cons %d\n", |
51c1a580 | 4333 | o->cids[BNX2X_PRIMARY_CID_INDEX], o->next_tx_only); |
619c5cb6 VZ |
4334 | |
4335 | o->state = o->next_state; | |
6383c0b3 | 4336 | o->num_tx_only = o->next_tx_only; |
619c5cb6 VZ |
4337 | o->next_state = BNX2X_Q_STATE_MAX; |
4338 | ||
4339 | /* It's important that o->state and o->next_state are | |
4340 | * updated before o->pending. | |
4341 | */ | |
4342 | wmb(); | |
4343 | ||
4344 | clear_bit(cmd, &o->pending); | |
4345 | smp_mb__after_clear_bit(); | |
4346 | ||
4347 | return 0; | |
4348 | } | |
4349 | ||
4350 | static void bnx2x_q_fill_setup_data_e2(struct bnx2x *bp, | |
4351 | struct bnx2x_queue_state_params *cmd_params, | |
4352 | struct client_init_ramrod_data *data) | |
4353 | { | |
4354 | struct bnx2x_queue_setup_params *params = &cmd_params->params.setup; | |
4355 | ||
4356 | /* Rx data */ | |
4357 | ||
4358 | /* IPv6 TPA supported for E2 and above only */ | |
f5219d8e | 4359 | data->rx.tpa_en |= test_bit(BNX2X_Q_FLG_TPA_IPV6, ¶ms->flags) * |
619c5cb6 VZ |
4360 | CLIENT_INIT_RX_DATA_TPA_EN_IPV6; |
4361 | } | |
4362 | ||
6383c0b3 AE |
4363 | static void bnx2x_q_fill_init_general_data(struct bnx2x *bp, |
4364 | struct bnx2x_queue_sp_obj *o, | |
4365 | struct bnx2x_general_setup_params *params, | |
4366 | struct client_init_general_data *gen_data, | |
4367 | unsigned long *flags) | |
4368 | { | |
4369 | gen_data->client_id = o->cl_id; | |
4370 | ||
4371 | if (test_bit(BNX2X_Q_FLG_STATS, flags)) { | |
4372 | gen_data->statistics_counter_id = | |
4373 | params->stat_id; | |
4374 | gen_data->statistics_en_flg = 1; | |
4375 | gen_data->statistics_zero_flg = | |
4376 | test_bit(BNX2X_Q_FLG_ZERO_STATS, flags); | |
619c5cb6 | 4377 | } else |
6383c0b3 | 4378 | gen_data->statistics_counter_id = |
619c5cb6 VZ |
4379 | DISABLE_STATISTIC_COUNTER_ID_VALUE; |
4380 | ||
6383c0b3 AE |
4381 | gen_data->is_fcoe_flg = test_bit(BNX2X_Q_FLG_FCOE, flags); |
4382 | gen_data->activate_flg = test_bit(BNX2X_Q_FLG_ACTIVE, flags); | |
4383 | gen_data->sp_client_id = params->spcl_id; | |
4384 | gen_data->mtu = cpu_to_le16(params->mtu); | |
4385 | gen_data->func_id = o->func_id; | |
619c5cb6 VZ |
4386 | |
4387 | ||
6383c0b3 | 4388 | gen_data->cos = params->cos; |
619c5cb6 | 4389 | |
6383c0b3 AE |
4390 | gen_data->traffic_type = |
4391 | test_bit(BNX2X_Q_FLG_FCOE, flags) ? | |
619c5cb6 VZ |
4392 | LLFC_TRAFFIC_TYPE_FCOE : LLFC_TRAFFIC_TYPE_NW; |
4393 | ||
94f05b0f | 4394 | DP(BNX2X_MSG_SP, "flags: active %d, cos %d, stats en %d\n", |
6383c0b3 AE |
4395 | gen_data->activate_flg, gen_data->cos, gen_data->statistics_en_flg); |
4396 | } | |
4397 | ||
4398 | static void bnx2x_q_fill_init_tx_data(struct bnx2x_queue_sp_obj *o, | |
4399 | struct bnx2x_txq_setup_params *params, | |
4400 | struct client_init_tx_data *tx_data, | |
4401 | unsigned long *flags) | |
4402 | { | |
4403 | tx_data->enforce_security_flg = | |
4404 | test_bit(BNX2X_Q_FLG_TX_SEC, flags); | |
4405 | tx_data->default_vlan = | |
4406 | cpu_to_le16(params->default_vlan); | |
4407 | tx_data->default_vlan_flg = | |
4408 | test_bit(BNX2X_Q_FLG_DEF_VLAN, flags); | |
4409 | tx_data->tx_switching_flg = | |
4410 | test_bit(BNX2X_Q_FLG_TX_SWITCH, flags); | |
4411 | tx_data->anti_spoofing_flg = | |
4412 | test_bit(BNX2X_Q_FLG_ANTI_SPOOF, flags); | |
a3348722 BW |
4413 | tx_data->force_default_pri_flg = |
4414 | test_bit(BNX2X_Q_FLG_FORCE_DEFAULT_PRI, flags); | |
4415 | ||
6383c0b3 AE |
4416 | tx_data->tx_status_block_id = params->fw_sb_id; |
4417 | tx_data->tx_sb_index_number = params->sb_cq_index; | |
4418 | tx_data->tss_leading_client_id = params->tss_leading_cl_id; | |
4419 | ||
4420 | tx_data->tx_bd_page_base.lo = | |
4421 | cpu_to_le32(U64_LO(params->dscr_map)); | |
4422 | tx_data->tx_bd_page_base.hi = | |
4423 | cpu_to_le32(U64_HI(params->dscr_map)); | |
4424 | ||
4425 | /* Don't configure any Tx switching mode during queue SETUP */ | |
4426 | tx_data->state = 0; | |
4427 | } | |
4428 | ||
4429 | static void bnx2x_q_fill_init_pause_data(struct bnx2x_queue_sp_obj *o, | |
4430 | struct rxq_pause_params *params, | |
4431 | struct client_init_rx_data *rx_data) | |
4432 | { | |
4433 | /* flow control data */ | |
4434 | rx_data->cqe_pause_thr_low = cpu_to_le16(params->rcq_th_lo); | |
4435 | rx_data->cqe_pause_thr_high = cpu_to_le16(params->rcq_th_hi); | |
4436 | rx_data->bd_pause_thr_low = cpu_to_le16(params->bd_th_lo); | |
4437 | rx_data->bd_pause_thr_high = cpu_to_le16(params->bd_th_hi); | |
4438 | rx_data->sge_pause_thr_low = cpu_to_le16(params->sge_th_lo); | |
4439 | rx_data->sge_pause_thr_high = cpu_to_le16(params->sge_th_hi); | |
4440 | rx_data->rx_cos_mask = cpu_to_le16(params->pri_map); | |
4441 | } | |
4442 | ||
4443 | static void bnx2x_q_fill_init_rx_data(struct bnx2x_queue_sp_obj *o, | |
4444 | struct bnx2x_rxq_setup_params *params, | |
4445 | struct client_init_rx_data *rx_data, | |
4446 | unsigned long *flags) | |
4447 | { | |
6383c0b3 | 4448 | rx_data->tpa_en = test_bit(BNX2X_Q_FLG_TPA, flags) * |
619c5cb6 | 4449 | CLIENT_INIT_RX_DATA_TPA_EN_IPV4; |
621b4d66 DK |
4450 | rx_data->tpa_en |= test_bit(BNX2X_Q_FLG_TPA_GRO, flags) * |
4451 | CLIENT_INIT_RX_DATA_TPA_MODE; | |
6383c0b3 | 4452 | rx_data->vmqueue_mode_en_flg = 0; |
619c5cb6 | 4453 | |
6383c0b3 AE |
4454 | rx_data->cache_line_alignment_log_size = |
4455 | params->cache_line_log; | |
4456 | rx_data->enable_dynamic_hc = | |
4457 | test_bit(BNX2X_Q_FLG_DHC, flags); | |
4458 | rx_data->max_sges_for_packet = params->max_sges_pkt; | |
4459 | rx_data->client_qzone_id = params->cl_qzone_id; | |
4460 | rx_data->max_agg_size = cpu_to_le16(params->tpa_agg_sz); | |
619c5cb6 VZ |
4461 | |
4462 | /* Always start in DROP_ALL mode */ | |
6383c0b3 | 4463 | rx_data->state = cpu_to_le16(CLIENT_INIT_RX_DATA_UCAST_DROP_ALL | |
619c5cb6 VZ |
4464 | CLIENT_INIT_RX_DATA_MCAST_DROP_ALL); |
4465 | ||
4466 | /* We don't set drop flags */ | |
6383c0b3 AE |
4467 | rx_data->drop_ip_cs_err_flg = 0; |
4468 | rx_data->drop_tcp_cs_err_flg = 0; | |
4469 | rx_data->drop_ttl0_flg = 0; | |
4470 | rx_data->drop_udp_cs_err_flg = 0; | |
4471 | rx_data->inner_vlan_removal_enable_flg = | |
4472 | test_bit(BNX2X_Q_FLG_VLAN, flags); | |
4473 | rx_data->outer_vlan_removal_enable_flg = | |
4474 | test_bit(BNX2X_Q_FLG_OV, flags); | |
4475 | rx_data->status_block_id = params->fw_sb_id; | |
4476 | rx_data->rx_sb_index_number = params->sb_cq_index; | |
4477 | rx_data->max_tpa_queues = params->max_tpa_queues; | |
4478 | rx_data->max_bytes_on_bd = cpu_to_le16(params->buf_sz); | |
4479 | rx_data->sge_buff_size = cpu_to_le16(params->sge_buf_sz); | |
4480 | rx_data->bd_page_base.lo = | |
4481 | cpu_to_le32(U64_LO(params->dscr_map)); | |
4482 | rx_data->bd_page_base.hi = | |
4483 | cpu_to_le32(U64_HI(params->dscr_map)); | |
4484 | rx_data->sge_page_base.lo = | |
4485 | cpu_to_le32(U64_LO(params->sge_map)); | |
4486 | rx_data->sge_page_base.hi = | |
4487 | cpu_to_le32(U64_HI(params->sge_map)); | |
4488 | rx_data->cqe_page_base.lo = | |
4489 | cpu_to_le32(U64_LO(params->rcq_map)); | |
4490 | rx_data->cqe_page_base.hi = | |
4491 | cpu_to_le32(U64_HI(params->rcq_map)); | |
4492 | rx_data->is_leading_rss = test_bit(BNX2X_Q_FLG_LEADING_RSS, flags); | |
4493 | ||
4494 | if (test_bit(BNX2X_Q_FLG_MCAST, flags)) { | |
259afa1f | 4495 | rx_data->approx_mcast_engine_id = params->mcast_engine_id; |
6383c0b3 | 4496 | rx_data->is_approx_mcast = 1; |
619c5cb6 VZ |
4497 | } |
4498 | ||
6383c0b3 | 4499 | rx_data->rss_engine_id = params->rss_engine_id; |
619c5cb6 VZ |
4500 | |
4501 | /* silent vlan removal */ | |
6383c0b3 AE |
4502 | rx_data->silent_vlan_removal_flg = |
4503 | test_bit(BNX2X_Q_FLG_SILENT_VLAN_REM, flags); | |
4504 | rx_data->silent_vlan_value = | |
4505 | cpu_to_le16(params->silent_removal_value); | |
4506 | rx_data->silent_vlan_mask = | |
4507 | cpu_to_le16(params->silent_removal_mask); | |
619c5cb6 | 4508 | |
619c5cb6 VZ |
4509 | } |
4510 | ||
6383c0b3 AE |
4511 | /* initialize the general, tx and rx parts of a queue object */ |
4512 | static void bnx2x_q_fill_setup_data_cmn(struct bnx2x *bp, | |
4513 | struct bnx2x_queue_state_params *cmd_params, | |
4514 | struct client_init_ramrod_data *data) | |
4515 | { | |
4516 | bnx2x_q_fill_init_general_data(bp, cmd_params->q_obj, | |
4517 | &cmd_params->params.setup.gen_params, | |
4518 | &data->general, | |
4519 | &cmd_params->params.setup.flags); | |
4520 | ||
4521 | bnx2x_q_fill_init_tx_data(cmd_params->q_obj, | |
4522 | &cmd_params->params.setup.txq_params, | |
4523 | &data->tx, | |
4524 | &cmd_params->params.setup.flags); | |
4525 | ||
4526 | bnx2x_q_fill_init_rx_data(cmd_params->q_obj, | |
4527 | &cmd_params->params.setup.rxq_params, | |
4528 | &data->rx, | |
4529 | &cmd_params->params.setup.flags); | |
4530 | ||
4531 | bnx2x_q_fill_init_pause_data(cmd_params->q_obj, | |
4532 | &cmd_params->params.setup.pause_params, | |
4533 | &data->rx); | |
4534 | } | |
4535 | ||
4536 | /* initialize the general and tx parts of a tx-only queue object */ | |
4537 | static void bnx2x_q_fill_setup_tx_only(struct bnx2x *bp, | |
4538 | struct bnx2x_queue_state_params *cmd_params, | |
4539 | struct tx_queue_init_ramrod_data *data) | |
4540 | { | |
4541 | bnx2x_q_fill_init_general_data(bp, cmd_params->q_obj, | |
4542 | &cmd_params->params.tx_only.gen_params, | |
4543 | &data->general, | |
4544 | &cmd_params->params.tx_only.flags); | |
4545 | ||
4546 | bnx2x_q_fill_init_tx_data(cmd_params->q_obj, | |
4547 | &cmd_params->params.tx_only.txq_params, | |
4548 | &data->tx, | |
4549 | &cmd_params->params.tx_only.flags); | |
4550 | ||
51c1a580 MS |
4551 | DP(BNX2X_MSG_SP, "cid %d, tx bd page lo %x hi %x", |
4552 | cmd_params->q_obj->cids[0], | |
4553 | data->tx.tx_bd_page_base.lo, | |
4554 | data->tx.tx_bd_page_base.hi); | |
6383c0b3 | 4555 | } |
619c5cb6 VZ |
4556 | |
4557 | /** | |
4558 | * bnx2x_q_init - init HW/FW queue | |
4559 | * | |
4560 | * @bp: device handle | |
4561 | * @params: | |
4562 | * | |
4563 | * HW/FW initial Queue configuration: | |
4564 | * - HC: Rx and Tx | |
4565 | * - CDU context validation | |
4566 | * | |
4567 | */ | |
4568 | static inline int bnx2x_q_init(struct bnx2x *bp, | |
4569 | struct bnx2x_queue_state_params *params) | |
4570 | { | |
4571 | struct bnx2x_queue_sp_obj *o = params->q_obj; | |
4572 | struct bnx2x_queue_init_params *init = ¶ms->params.init; | |
4573 | u16 hc_usec; | |
6383c0b3 | 4574 | u8 cos; |
619c5cb6 VZ |
4575 | |
4576 | /* Tx HC configuration */ | |
4577 | if (test_bit(BNX2X_Q_TYPE_HAS_TX, &o->type) && | |
4578 | test_bit(BNX2X_Q_FLG_HC, &init->tx.flags)) { | |
4579 | hc_usec = init->tx.hc_rate ? 1000000 / init->tx.hc_rate : 0; | |
4580 | ||
4581 | bnx2x_update_coalesce_sb_index(bp, init->tx.fw_sb_id, | |
4582 | init->tx.sb_cq_index, | |
4583 | !test_bit(BNX2X_Q_FLG_HC_EN, &init->tx.flags), | |
4584 | hc_usec); | |
4585 | } | |
4586 | ||
4587 | /* Rx HC configuration */ | |
4588 | if (test_bit(BNX2X_Q_TYPE_HAS_RX, &o->type) && | |
4589 | test_bit(BNX2X_Q_FLG_HC, &init->rx.flags)) { | |
4590 | hc_usec = init->rx.hc_rate ? 1000000 / init->rx.hc_rate : 0; | |
4591 | ||
4592 | bnx2x_update_coalesce_sb_index(bp, init->rx.fw_sb_id, | |
4593 | init->rx.sb_cq_index, | |
4594 | !test_bit(BNX2X_Q_FLG_HC_EN, &init->rx.flags), | |
4595 | hc_usec); | |
4596 | } | |
4597 | ||
4598 | /* Set CDU context validation values */ | |
6383c0b3 | 4599 | for (cos = 0; cos < o->max_cos; cos++) { |
94f05b0f | 4600 | DP(BNX2X_MSG_SP, "setting context validation. cid %d, cos %d\n", |
6383c0b3 | 4601 | o->cids[cos], cos); |
94f05b0f | 4602 | DP(BNX2X_MSG_SP, "context pointer %p\n", init->cxts[cos]); |
6383c0b3 AE |
4603 | bnx2x_set_ctx_validation(bp, init->cxts[cos], o->cids[cos]); |
4604 | } | |
619c5cb6 VZ |
4605 | |
4606 | /* As no ramrod is sent, complete the command immediately */ | |
4607 | o->complete_cmd(bp, o, BNX2X_Q_CMD_INIT); | |
4608 | ||
4609 | mmiowb(); | |
4610 | smp_mb(); | |
4611 | ||
4612 | return 0; | |
4613 | } | |
4614 | ||
4615 | static inline int bnx2x_q_send_setup_e1x(struct bnx2x *bp, | |
4616 | struct bnx2x_queue_state_params *params) | |
4617 | { | |
4618 | struct bnx2x_queue_sp_obj *o = params->q_obj; | |
4619 | struct client_init_ramrod_data *rdata = | |
4620 | (struct client_init_ramrod_data *)o->rdata; | |
4621 | dma_addr_t data_mapping = o->rdata_mapping; | |
4622 | int ramrod = RAMROD_CMD_ID_ETH_CLIENT_SETUP; | |
4623 | ||
4624 | /* Clear the ramrod data */ | |
4625 | memset(rdata, 0, sizeof(*rdata)); | |
4626 | ||
4627 | /* Fill the ramrod data */ | |
4628 | bnx2x_q_fill_setup_data_cmn(bp, params, rdata); | |
4629 | ||
53e51e2f VZ |
4630 | /* |
4631 | * No need for an explicit memory barrier here as long we would | |
4632 | * need to ensure the ordering of writing to the SPQ element | |
4633 | * and updating of the SPQ producer which involves a memory | |
4634 | * read and we will have to put a full memory barrier there | |
4635 | * (inside bnx2x_sp_post()). | |
4636 | */ | |
619c5cb6 | 4637 | |
6383c0b3 AE |
4638 | return bnx2x_sp_post(bp, ramrod, o->cids[BNX2X_PRIMARY_CID_INDEX], |
4639 | U64_HI(data_mapping), | |
619c5cb6 VZ |
4640 | U64_LO(data_mapping), ETH_CONNECTION_TYPE); |
4641 | } | |
4642 | ||
4643 | static inline int bnx2x_q_send_setup_e2(struct bnx2x *bp, | |
4644 | struct bnx2x_queue_state_params *params) | |
4645 | { | |
4646 | struct bnx2x_queue_sp_obj *o = params->q_obj; | |
4647 | struct client_init_ramrod_data *rdata = | |
4648 | (struct client_init_ramrod_data *)o->rdata; | |
4649 | dma_addr_t data_mapping = o->rdata_mapping; | |
4650 | int ramrod = RAMROD_CMD_ID_ETH_CLIENT_SETUP; | |
4651 | ||
4652 | /* Clear the ramrod data */ | |
4653 | memset(rdata, 0, sizeof(*rdata)); | |
4654 | ||
4655 | /* Fill the ramrod data */ | |
4656 | bnx2x_q_fill_setup_data_cmn(bp, params, rdata); | |
4657 | bnx2x_q_fill_setup_data_e2(bp, params, rdata); | |
4658 | ||
53e51e2f VZ |
4659 | /* |
4660 | * No need for an explicit memory barrier here as long we would | |
4661 | * need to ensure the ordering of writing to the SPQ element | |
4662 | * and updating of the SPQ producer which involves a memory | |
4663 | * read and we will have to put a full memory barrier there | |
4664 | * (inside bnx2x_sp_post()). | |
4665 | */ | |
619c5cb6 | 4666 | |
6383c0b3 AE |
4667 | return bnx2x_sp_post(bp, ramrod, o->cids[BNX2X_PRIMARY_CID_INDEX], |
4668 | U64_HI(data_mapping), | |
4669 | U64_LO(data_mapping), ETH_CONNECTION_TYPE); | |
4670 | } | |
4671 | ||
4672 | static inline int bnx2x_q_send_setup_tx_only(struct bnx2x *bp, | |
4673 | struct bnx2x_queue_state_params *params) | |
4674 | { | |
4675 | struct bnx2x_queue_sp_obj *o = params->q_obj; | |
4676 | struct tx_queue_init_ramrod_data *rdata = | |
4677 | (struct tx_queue_init_ramrod_data *)o->rdata; | |
4678 | dma_addr_t data_mapping = o->rdata_mapping; | |
4679 | int ramrod = RAMROD_CMD_ID_ETH_TX_QUEUE_SETUP; | |
4680 | struct bnx2x_queue_setup_tx_only_params *tx_only_params = | |
4681 | ¶ms->params.tx_only; | |
4682 | u8 cid_index = tx_only_params->cid_index; | |
4683 | ||
4684 | ||
4685 | if (cid_index >= o->max_cos) { | |
4686 | BNX2X_ERR("queue[%d]: cid_index (%d) is out of range\n", | |
4687 | o->cl_id, cid_index); | |
4688 | return -EINVAL; | |
4689 | } | |
4690 | ||
94f05b0f | 4691 | DP(BNX2X_MSG_SP, "parameters received: cos: %d sp-id: %d\n", |
6383c0b3 AE |
4692 | tx_only_params->gen_params.cos, |
4693 | tx_only_params->gen_params.spcl_id); | |
4694 | ||
4695 | /* Clear the ramrod data */ | |
4696 | memset(rdata, 0, sizeof(*rdata)); | |
4697 | ||
4698 | /* Fill the ramrod data */ | |
4699 | bnx2x_q_fill_setup_tx_only(bp, params, rdata); | |
4700 | ||
51c1a580 MS |
4701 | DP(BNX2X_MSG_SP, "sending tx-only ramrod: cid %d, client-id %d, sp-client id %d, cos %d\n", |
4702 | o->cids[cid_index], rdata->general.client_id, | |
6383c0b3 AE |
4703 | rdata->general.sp_client_id, rdata->general.cos); |
4704 | ||
4705 | /* | |
4706 | * No need for an explicit memory barrier here as long we would | |
4707 | * need to ensure the ordering of writing to the SPQ element | |
4708 | * and updating of the SPQ producer which involves a memory | |
4709 | * read and we will have to put a full memory barrier there | |
4710 | * (inside bnx2x_sp_post()). | |
4711 | */ | |
4712 | ||
4713 | return bnx2x_sp_post(bp, ramrod, o->cids[cid_index], | |
4714 | U64_HI(data_mapping), | |
619c5cb6 VZ |
4715 | U64_LO(data_mapping), ETH_CONNECTION_TYPE); |
4716 | } | |
4717 | ||
4718 | static void bnx2x_q_fill_update_data(struct bnx2x *bp, | |
4719 | struct bnx2x_queue_sp_obj *obj, | |
4720 | struct bnx2x_queue_update_params *params, | |
4721 | struct client_update_ramrod_data *data) | |
4722 | { | |
4723 | /* Client ID of the client to update */ | |
4724 | data->client_id = obj->cl_id; | |
4725 | ||
4726 | /* Function ID of the client to update */ | |
4727 | data->func_id = obj->func_id; | |
4728 | ||
4729 | /* Default VLAN value */ | |
4730 | data->default_vlan = cpu_to_le16(params->def_vlan); | |
4731 | ||
4732 | /* Inner VLAN stripping */ | |
4733 | data->inner_vlan_removal_enable_flg = | |
4734 | test_bit(BNX2X_Q_UPDATE_IN_VLAN_REM, ¶ms->update_flags); | |
4735 | data->inner_vlan_removal_change_flg = | |
4736 | test_bit(BNX2X_Q_UPDATE_IN_VLAN_REM_CHNG, | |
4737 | ¶ms->update_flags); | |
4738 | ||
4739 | /* Outer VLAN sripping */ | |
4740 | data->outer_vlan_removal_enable_flg = | |
4741 | test_bit(BNX2X_Q_UPDATE_OUT_VLAN_REM, ¶ms->update_flags); | |
4742 | data->outer_vlan_removal_change_flg = | |
4743 | test_bit(BNX2X_Q_UPDATE_OUT_VLAN_REM_CHNG, | |
4744 | ¶ms->update_flags); | |
4745 | ||
4746 | /* Drop packets that have source MAC that doesn't belong to this | |
4747 | * Queue. | |
4748 | */ | |
4749 | data->anti_spoofing_enable_flg = | |
4750 | test_bit(BNX2X_Q_UPDATE_ANTI_SPOOF, ¶ms->update_flags); | |
4751 | data->anti_spoofing_change_flg = | |
4752 | test_bit(BNX2X_Q_UPDATE_ANTI_SPOOF_CHNG, ¶ms->update_flags); | |
4753 | ||
4754 | /* Activate/Deactivate */ | |
4755 | data->activate_flg = | |
4756 | test_bit(BNX2X_Q_UPDATE_ACTIVATE, ¶ms->update_flags); | |
4757 | data->activate_change_flg = | |
4758 | test_bit(BNX2X_Q_UPDATE_ACTIVATE_CHNG, ¶ms->update_flags); | |
4759 | ||
4760 | /* Enable default VLAN */ | |
4761 | data->default_vlan_enable_flg = | |
4762 | test_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN, ¶ms->update_flags); | |
4763 | data->default_vlan_change_flg = | |
4764 | test_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN_CHNG, | |
4765 | ¶ms->update_flags); | |
4766 | ||
4767 | /* silent vlan removal */ | |
4768 | data->silent_vlan_change_flg = | |
4769 | test_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM_CHNG, | |
4770 | ¶ms->update_flags); | |
4771 | data->silent_vlan_removal_flg = | |
4772 | test_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM, ¶ms->update_flags); | |
4773 | data->silent_vlan_value = cpu_to_le16(params->silent_removal_value); | |
4774 | data->silent_vlan_mask = cpu_to_le16(params->silent_removal_mask); | |
4775 | } | |
4776 | ||
4777 | static inline int bnx2x_q_send_update(struct bnx2x *bp, | |
4778 | struct bnx2x_queue_state_params *params) | |
4779 | { | |
4780 | struct bnx2x_queue_sp_obj *o = params->q_obj; | |
4781 | struct client_update_ramrod_data *rdata = | |
4782 | (struct client_update_ramrod_data *)o->rdata; | |
4783 | dma_addr_t data_mapping = o->rdata_mapping; | |
6383c0b3 AE |
4784 | struct bnx2x_queue_update_params *update_params = |
4785 | ¶ms->params.update; | |
4786 | u8 cid_index = update_params->cid_index; | |
4787 | ||
4788 | if (cid_index >= o->max_cos) { | |
4789 | BNX2X_ERR("queue[%d]: cid_index (%d) is out of range\n", | |
4790 | o->cl_id, cid_index); | |
4791 | return -EINVAL; | |
4792 | } | |
4793 | ||
619c5cb6 VZ |
4794 | |
4795 | /* Clear the ramrod data */ | |
4796 | memset(rdata, 0, sizeof(*rdata)); | |
4797 | ||
4798 | /* Fill the ramrod data */ | |
6383c0b3 | 4799 | bnx2x_q_fill_update_data(bp, o, update_params, rdata); |
619c5cb6 | 4800 | |
53e51e2f VZ |
4801 | /* |
4802 | * No need for an explicit memory barrier here as long we would | |
4803 | * need to ensure the ordering of writing to the SPQ element | |
4804 | * and updating of the SPQ producer which involves a memory | |
4805 | * read and we will have to put a full memory barrier there | |
4806 | * (inside bnx2x_sp_post()). | |
4807 | */ | |
619c5cb6 | 4808 | |
6383c0b3 AE |
4809 | return bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CLIENT_UPDATE, |
4810 | o->cids[cid_index], U64_HI(data_mapping), | |
619c5cb6 VZ |
4811 | U64_LO(data_mapping), ETH_CONNECTION_TYPE); |
4812 | } | |
4813 | ||
4814 | /** | |
4815 | * bnx2x_q_send_deactivate - send DEACTIVATE command | |
4816 | * | |
4817 | * @bp: device handle | |
4818 | * @params: | |
4819 | * | |
4820 | * implemented using the UPDATE command. | |
4821 | */ | |
4822 | static inline int bnx2x_q_send_deactivate(struct bnx2x *bp, | |
4823 | struct bnx2x_queue_state_params *params) | |
4824 | { | |
4825 | struct bnx2x_queue_update_params *update = ¶ms->params.update; | |
4826 | ||
4827 | memset(update, 0, sizeof(*update)); | |
4828 | ||
4829 | __set_bit(BNX2X_Q_UPDATE_ACTIVATE_CHNG, &update->update_flags); | |
4830 | ||
4831 | return bnx2x_q_send_update(bp, params); | |
4832 | } | |
4833 | ||
4834 | /** | |
4835 | * bnx2x_q_send_activate - send ACTIVATE command | |
4836 | * | |
4837 | * @bp: device handle | |
4838 | * @params: | |
4839 | * | |
4840 | * implemented using the UPDATE command. | |
4841 | */ | |
4842 | static inline int bnx2x_q_send_activate(struct bnx2x *bp, | |
4843 | struct bnx2x_queue_state_params *params) | |
4844 | { | |
4845 | struct bnx2x_queue_update_params *update = ¶ms->params.update; | |
4846 | ||
4847 | memset(update, 0, sizeof(*update)); | |
4848 | ||
4849 | __set_bit(BNX2X_Q_UPDATE_ACTIVATE, &update->update_flags); | |
4850 | __set_bit(BNX2X_Q_UPDATE_ACTIVATE_CHNG, &update->update_flags); | |
4851 | ||
4852 | return bnx2x_q_send_update(bp, params); | |
4853 | } | |
4854 | ||
4855 | static inline int bnx2x_q_send_update_tpa(struct bnx2x *bp, | |
4856 | struct bnx2x_queue_state_params *params) | |
4857 | { | |
4858 | /* TODO: Not implemented yet. */ | |
4859 | return -1; | |
4860 | } | |
4861 | ||
4862 | static inline int bnx2x_q_send_halt(struct bnx2x *bp, | |
4863 | struct bnx2x_queue_state_params *params) | |
4864 | { | |
4865 | struct bnx2x_queue_sp_obj *o = params->q_obj; | |
4866 | ||
6383c0b3 AE |
4867 | return bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, |
4868 | o->cids[BNX2X_PRIMARY_CID_INDEX], 0, o->cl_id, | |
619c5cb6 VZ |
4869 | ETH_CONNECTION_TYPE); |
4870 | } | |
4871 | ||
4872 | static inline int bnx2x_q_send_cfc_del(struct bnx2x *bp, | |
4873 | struct bnx2x_queue_state_params *params) | |
4874 | { | |
4875 | struct bnx2x_queue_sp_obj *o = params->q_obj; | |
6383c0b3 | 4876 | u8 cid_idx = params->params.cfc_del.cid_index; |
619c5cb6 | 4877 | |
6383c0b3 AE |
4878 | if (cid_idx >= o->max_cos) { |
4879 | BNX2X_ERR("queue[%d]: cid_index (%d) is out of range\n", | |
4880 | o->cl_id, cid_idx); | |
4881 | return -EINVAL; | |
4882 | } | |
4883 | ||
4884 | return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_CFC_DEL, | |
4885 | o->cids[cid_idx], 0, 0, NONE_CONNECTION_TYPE); | |
619c5cb6 VZ |
4886 | } |
4887 | ||
4888 | static inline int bnx2x_q_send_terminate(struct bnx2x *bp, | |
4889 | struct bnx2x_queue_state_params *params) | |
4890 | { | |
4891 | struct bnx2x_queue_sp_obj *o = params->q_obj; | |
6383c0b3 | 4892 | u8 cid_index = params->params.terminate.cid_index; |
619c5cb6 | 4893 | |
6383c0b3 AE |
4894 | if (cid_index >= o->max_cos) { |
4895 | BNX2X_ERR("queue[%d]: cid_index (%d) is out of range\n", | |
4896 | o->cl_id, cid_index); | |
4897 | return -EINVAL; | |
4898 | } | |
4899 | ||
4900 | return bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_TERMINATE, | |
4901 | o->cids[cid_index], 0, 0, ETH_CONNECTION_TYPE); | |
619c5cb6 VZ |
4902 | } |
4903 | ||
4904 | static inline int bnx2x_q_send_empty(struct bnx2x *bp, | |
4905 | struct bnx2x_queue_state_params *params) | |
4906 | { | |
4907 | struct bnx2x_queue_sp_obj *o = params->q_obj; | |
4908 | ||
6383c0b3 AE |
4909 | return bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_EMPTY, |
4910 | o->cids[BNX2X_PRIMARY_CID_INDEX], 0, 0, | |
619c5cb6 VZ |
4911 | ETH_CONNECTION_TYPE); |
4912 | } | |
4913 | ||
4914 | static inline int bnx2x_queue_send_cmd_cmn(struct bnx2x *bp, | |
4915 | struct bnx2x_queue_state_params *params) | |
4916 | { | |
4917 | switch (params->cmd) { | |
4918 | case BNX2X_Q_CMD_INIT: | |
4919 | return bnx2x_q_init(bp, params); | |
6383c0b3 AE |
4920 | case BNX2X_Q_CMD_SETUP_TX_ONLY: |
4921 | return bnx2x_q_send_setup_tx_only(bp, params); | |
619c5cb6 VZ |
4922 | case BNX2X_Q_CMD_DEACTIVATE: |
4923 | return bnx2x_q_send_deactivate(bp, params); | |
4924 | case BNX2X_Q_CMD_ACTIVATE: | |
4925 | return bnx2x_q_send_activate(bp, params); | |
4926 | case BNX2X_Q_CMD_UPDATE: | |
4927 | return bnx2x_q_send_update(bp, params); | |
4928 | case BNX2X_Q_CMD_UPDATE_TPA: | |
4929 | return bnx2x_q_send_update_tpa(bp, params); | |
4930 | case BNX2X_Q_CMD_HALT: | |
4931 | return bnx2x_q_send_halt(bp, params); | |
4932 | case BNX2X_Q_CMD_CFC_DEL: | |
4933 | return bnx2x_q_send_cfc_del(bp, params); | |
4934 | case BNX2X_Q_CMD_TERMINATE: | |
4935 | return bnx2x_q_send_terminate(bp, params); | |
4936 | case BNX2X_Q_CMD_EMPTY: | |
4937 | return bnx2x_q_send_empty(bp, params); | |
4938 | default: | |
4939 | BNX2X_ERR("Unknown command: %d\n", params->cmd); | |
4940 | return -EINVAL; | |
4941 | } | |
4942 | } | |
4943 | ||
4944 | static int bnx2x_queue_send_cmd_e1x(struct bnx2x *bp, | |
4945 | struct bnx2x_queue_state_params *params) | |
4946 | { | |
4947 | switch (params->cmd) { | |
4948 | case BNX2X_Q_CMD_SETUP: | |
4949 | return bnx2x_q_send_setup_e1x(bp, params); | |
4950 | case BNX2X_Q_CMD_INIT: | |
6383c0b3 | 4951 | case BNX2X_Q_CMD_SETUP_TX_ONLY: |
619c5cb6 VZ |
4952 | case BNX2X_Q_CMD_DEACTIVATE: |
4953 | case BNX2X_Q_CMD_ACTIVATE: | |
4954 | case BNX2X_Q_CMD_UPDATE: | |
4955 | case BNX2X_Q_CMD_UPDATE_TPA: | |
4956 | case BNX2X_Q_CMD_HALT: | |
4957 | case BNX2X_Q_CMD_CFC_DEL: | |
4958 | case BNX2X_Q_CMD_TERMINATE: | |
4959 | case BNX2X_Q_CMD_EMPTY: | |
4960 | return bnx2x_queue_send_cmd_cmn(bp, params); | |
4961 | default: | |
4962 | BNX2X_ERR("Unknown command: %d\n", params->cmd); | |
4963 | return -EINVAL; | |
4964 | } | |
4965 | } | |
4966 | ||
4967 | static int bnx2x_queue_send_cmd_e2(struct bnx2x *bp, | |
4968 | struct bnx2x_queue_state_params *params) | |
4969 | { | |
4970 | switch (params->cmd) { | |
4971 | case BNX2X_Q_CMD_SETUP: | |
4972 | return bnx2x_q_send_setup_e2(bp, params); | |
4973 | case BNX2X_Q_CMD_INIT: | |
6383c0b3 | 4974 | case BNX2X_Q_CMD_SETUP_TX_ONLY: |
619c5cb6 VZ |
4975 | case BNX2X_Q_CMD_DEACTIVATE: |
4976 | case BNX2X_Q_CMD_ACTIVATE: | |
4977 | case BNX2X_Q_CMD_UPDATE: | |
4978 | case BNX2X_Q_CMD_UPDATE_TPA: | |
4979 | case BNX2X_Q_CMD_HALT: | |
4980 | case BNX2X_Q_CMD_CFC_DEL: | |
4981 | case BNX2X_Q_CMD_TERMINATE: | |
4982 | case BNX2X_Q_CMD_EMPTY: | |
4983 | return bnx2x_queue_send_cmd_cmn(bp, params); | |
4984 | default: | |
4985 | BNX2X_ERR("Unknown command: %d\n", params->cmd); | |
4986 | return -EINVAL; | |
4987 | } | |
4988 | } | |
4989 | ||
4990 | /** | |
4991 | * bnx2x_queue_chk_transition - check state machine of a regular Queue | |
4992 | * | |
4993 | * @bp: device handle | |
4994 | * @o: | |
4995 | * @params: | |
4996 | * | |
4997 | * (not Forwarding) | |
4998 | * It both checks if the requested command is legal in a current | |
4999 | * state and, if it's legal, sets a `next_state' in the object | |
5000 | * that will be used in the completion flow to set the `state' | |
5001 | * of the object. | |
5002 | * | |
5003 | * returns 0 if a requested command is a legal transition, | |
5004 | * -EINVAL otherwise. | |
5005 | */ | |
5006 | static int bnx2x_queue_chk_transition(struct bnx2x *bp, | |
5007 | struct bnx2x_queue_sp_obj *o, | |
5008 | struct bnx2x_queue_state_params *params) | |
5009 | { | |
5010 | enum bnx2x_q_state state = o->state, next_state = BNX2X_Q_STATE_MAX; | |
5011 | enum bnx2x_queue_cmd cmd = params->cmd; | |
6383c0b3 AE |
5012 | struct bnx2x_queue_update_params *update_params = |
5013 | ¶ms->params.update; | |
5014 | u8 next_tx_only = o->num_tx_only; | |
619c5cb6 | 5015 | |
6debea87 DK |
5016 | /* |
5017 | * Forget all pending for completion commands if a driver only state | |
5018 | * transition has been requested. | |
5019 | */ | |
5020 | if (test_bit(RAMROD_DRV_CLR_ONLY, ¶ms->ramrod_flags)) { | |
5021 | o->pending = 0; | |
5022 | o->next_state = BNX2X_Q_STATE_MAX; | |
5023 | } | |
5024 | ||
5025 | /* | |
5026 | * Don't allow a next state transition if we are in the middle of | |
5027 | * the previous one. | |
5028 | */ | |
5029 | if (o->pending) | |
5030 | return -EBUSY; | |
5031 | ||
619c5cb6 VZ |
5032 | switch (state) { |
5033 | case BNX2X_Q_STATE_RESET: | |
5034 | if (cmd == BNX2X_Q_CMD_INIT) | |
5035 | next_state = BNX2X_Q_STATE_INITIALIZED; | |
5036 | ||
5037 | break; | |
5038 | case BNX2X_Q_STATE_INITIALIZED: | |
5039 | if (cmd == BNX2X_Q_CMD_SETUP) { | |
5040 | if (test_bit(BNX2X_Q_FLG_ACTIVE, | |
5041 | ¶ms->params.setup.flags)) | |
5042 | next_state = BNX2X_Q_STATE_ACTIVE; | |
5043 | else | |
5044 | next_state = BNX2X_Q_STATE_INACTIVE; | |
5045 | } | |
5046 | ||
5047 | break; | |
5048 | case BNX2X_Q_STATE_ACTIVE: | |
5049 | if (cmd == BNX2X_Q_CMD_DEACTIVATE) | |
5050 | next_state = BNX2X_Q_STATE_INACTIVE; | |
5051 | ||
5052 | else if ((cmd == BNX2X_Q_CMD_EMPTY) || | |
5053 | (cmd == BNX2X_Q_CMD_UPDATE_TPA)) | |
5054 | next_state = BNX2X_Q_STATE_ACTIVE; | |
5055 | ||
6383c0b3 AE |
5056 | else if (cmd == BNX2X_Q_CMD_SETUP_TX_ONLY) { |
5057 | next_state = BNX2X_Q_STATE_MULTI_COS; | |
5058 | next_tx_only = 1; | |
5059 | } | |
5060 | ||
619c5cb6 VZ |
5061 | else if (cmd == BNX2X_Q_CMD_HALT) |
5062 | next_state = BNX2X_Q_STATE_STOPPED; | |
5063 | ||
5064 | else if (cmd == BNX2X_Q_CMD_UPDATE) { | |
6383c0b3 AE |
5065 | /* If "active" state change is requested, update the |
5066 | * state accordingly. | |
5067 | */ | |
5068 | if (test_bit(BNX2X_Q_UPDATE_ACTIVATE_CHNG, | |
5069 | &update_params->update_flags) && | |
5070 | !test_bit(BNX2X_Q_UPDATE_ACTIVATE, | |
5071 | &update_params->update_flags)) | |
5072 | next_state = BNX2X_Q_STATE_INACTIVE; | |
5073 | else | |
5074 | next_state = BNX2X_Q_STATE_ACTIVE; | |
5075 | } | |
5076 | ||
5077 | break; | |
5078 | case BNX2X_Q_STATE_MULTI_COS: | |
5079 | if (cmd == BNX2X_Q_CMD_TERMINATE) | |
5080 | next_state = BNX2X_Q_STATE_MCOS_TERMINATED; | |
5081 | ||
5082 | else if (cmd == BNX2X_Q_CMD_SETUP_TX_ONLY) { | |
5083 | next_state = BNX2X_Q_STATE_MULTI_COS; | |
5084 | next_tx_only = o->num_tx_only + 1; | |
5085 | } | |
5086 | ||
5087 | else if ((cmd == BNX2X_Q_CMD_EMPTY) || | |
5088 | (cmd == BNX2X_Q_CMD_UPDATE_TPA)) | |
5089 | next_state = BNX2X_Q_STATE_MULTI_COS; | |
619c5cb6 | 5090 | |
6383c0b3 | 5091 | else if (cmd == BNX2X_Q_CMD_UPDATE) { |
619c5cb6 VZ |
5092 | /* If "active" state change is requested, update the |
5093 | * state accordingly. | |
5094 | */ | |
5095 | if (test_bit(BNX2X_Q_UPDATE_ACTIVATE_CHNG, | |
5096 | &update_params->update_flags) && | |
5097 | !test_bit(BNX2X_Q_UPDATE_ACTIVATE, | |
5098 | &update_params->update_flags)) | |
5099 | next_state = BNX2X_Q_STATE_INACTIVE; | |
5100 | else | |
6383c0b3 AE |
5101 | next_state = BNX2X_Q_STATE_MULTI_COS; |
5102 | } | |
5103 | ||
5104 | break; | |
5105 | case BNX2X_Q_STATE_MCOS_TERMINATED: | |
5106 | if (cmd == BNX2X_Q_CMD_CFC_DEL) { | |
5107 | next_tx_only = o->num_tx_only - 1; | |
5108 | if (next_tx_only == 0) | |
619c5cb6 | 5109 | next_state = BNX2X_Q_STATE_ACTIVE; |
6383c0b3 AE |
5110 | else |
5111 | next_state = BNX2X_Q_STATE_MULTI_COS; | |
619c5cb6 VZ |
5112 | } |
5113 | ||
5114 | break; | |
5115 | case BNX2X_Q_STATE_INACTIVE: | |
5116 | if (cmd == BNX2X_Q_CMD_ACTIVATE) | |
5117 | next_state = BNX2X_Q_STATE_ACTIVE; | |
5118 | ||
5119 | else if ((cmd == BNX2X_Q_CMD_EMPTY) || | |
5120 | (cmd == BNX2X_Q_CMD_UPDATE_TPA)) | |
5121 | next_state = BNX2X_Q_STATE_INACTIVE; | |
5122 | ||
5123 | else if (cmd == BNX2X_Q_CMD_HALT) | |
5124 | next_state = BNX2X_Q_STATE_STOPPED; | |
5125 | ||
5126 | else if (cmd == BNX2X_Q_CMD_UPDATE) { | |
619c5cb6 VZ |
5127 | /* If "active" state change is requested, update the |
5128 | * state accordingly. | |
5129 | */ | |
5130 | if (test_bit(BNX2X_Q_UPDATE_ACTIVATE_CHNG, | |
5131 | &update_params->update_flags) && | |
5132 | test_bit(BNX2X_Q_UPDATE_ACTIVATE, | |
6383c0b3 AE |
5133 | &update_params->update_flags)){ |
5134 | if (o->num_tx_only == 0) | |
5135 | next_state = BNX2X_Q_STATE_ACTIVE; | |
5136 | else /* tx only queues exist for this queue */ | |
5137 | next_state = BNX2X_Q_STATE_MULTI_COS; | |
5138 | } else | |
619c5cb6 VZ |
5139 | next_state = BNX2X_Q_STATE_INACTIVE; |
5140 | } | |
5141 | ||
5142 | break; | |
5143 | case BNX2X_Q_STATE_STOPPED: | |
5144 | if (cmd == BNX2X_Q_CMD_TERMINATE) | |
5145 | next_state = BNX2X_Q_STATE_TERMINATED; | |
5146 | ||
5147 | break; | |
5148 | case BNX2X_Q_STATE_TERMINATED: | |
5149 | if (cmd == BNX2X_Q_CMD_CFC_DEL) | |
5150 | next_state = BNX2X_Q_STATE_RESET; | |
5151 | ||
5152 | break; | |
5153 | default: | |
5154 | BNX2X_ERR("Illegal state: %d\n", state); | |
5155 | } | |
5156 | ||
5157 | /* Transition is assured */ | |
5158 | if (next_state != BNX2X_Q_STATE_MAX) { | |
5159 | DP(BNX2X_MSG_SP, "Good state transition: %d(%d)->%d\n", | |
5160 | state, cmd, next_state); | |
5161 | o->next_state = next_state; | |
6383c0b3 | 5162 | o->next_tx_only = next_tx_only; |
619c5cb6 VZ |
5163 | return 0; |
5164 | } | |
5165 | ||
5166 | DP(BNX2X_MSG_SP, "Bad state transition request: %d %d\n", state, cmd); | |
5167 | ||
5168 | return -EINVAL; | |
5169 | } | |
5170 | ||
5171 | void bnx2x_init_queue_obj(struct bnx2x *bp, | |
5172 | struct bnx2x_queue_sp_obj *obj, | |
6383c0b3 AE |
5173 | u8 cl_id, u32 *cids, u8 cid_cnt, u8 func_id, |
5174 | void *rdata, | |
619c5cb6 VZ |
5175 | dma_addr_t rdata_mapping, unsigned long type) |
5176 | { | |
5177 | memset(obj, 0, sizeof(*obj)); | |
5178 | ||
6383c0b3 AE |
5179 | /* We support only BNX2X_MULTI_TX_COS Tx CoS at the moment */ |
5180 | BUG_ON(BNX2X_MULTI_TX_COS < cid_cnt); | |
5181 | ||
5182 | memcpy(obj->cids, cids, sizeof(obj->cids[0]) * cid_cnt); | |
5183 | obj->max_cos = cid_cnt; | |
619c5cb6 VZ |
5184 | obj->cl_id = cl_id; |
5185 | obj->func_id = func_id; | |
5186 | obj->rdata = rdata; | |
5187 | obj->rdata_mapping = rdata_mapping; | |
5188 | obj->type = type; | |
5189 | obj->next_state = BNX2X_Q_STATE_MAX; | |
5190 | ||
5191 | if (CHIP_IS_E1x(bp)) | |
5192 | obj->send_cmd = bnx2x_queue_send_cmd_e1x; | |
5193 | else | |
5194 | obj->send_cmd = bnx2x_queue_send_cmd_e2; | |
5195 | ||
5196 | obj->check_transition = bnx2x_queue_chk_transition; | |
5197 | ||
5198 | obj->complete_cmd = bnx2x_queue_comp_cmd; | |
5199 | obj->wait_comp = bnx2x_queue_wait_comp; | |
5200 | obj->set_pending = bnx2x_queue_set_pending; | |
5201 | } | |
5202 | ||
5203 | /********************** Function state object *********************************/ | |
6debea87 DK |
5204 | enum bnx2x_func_state bnx2x_func_get_state(struct bnx2x *bp, |
5205 | struct bnx2x_func_sp_obj *o) | |
5206 | { | |
5207 | /* in the middle of transaction - return INVALID state */ | |
5208 | if (o->pending) | |
5209 | return BNX2X_F_STATE_MAX; | |
5210 | ||
5211 | /* | |
5212 | * unsure the order of reading of o->pending and o->state | |
5213 | * o->pending should be read first | |
5214 | */ | |
5215 | rmb(); | |
5216 | ||
5217 | return o->state; | |
5218 | } | |
619c5cb6 VZ |
5219 | |
5220 | static int bnx2x_func_wait_comp(struct bnx2x *bp, | |
5221 | struct bnx2x_func_sp_obj *o, | |
5222 | enum bnx2x_func_cmd cmd) | |
5223 | { | |
5224 | return bnx2x_state_wait(bp, cmd, &o->pending); | |
5225 | } | |
5226 | ||
5227 | /** | |
5228 | * bnx2x_func_state_change_comp - complete the state machine transition | |
5229 | * | |
5230 | * @bp: device handle | |
5231 | * @o: | |
5232 | * @cmd: | |
5233 | * | |
5234 | * Called on state change transition. Completes the state | |
5235 | * machine transition only - no HW interaction. | |
5236 | */ | |
5237 | static inline int bnx2x_func_state_change_comp(struct bnx2x *bp, | |
5238 | struct bnx2x_func_sp_obj *o, | |
5239 | enum bnx2x_func_cmd cmd) | |
5240 | { | |
5241 | unsigned long cur_pending = o->pending; | |
5242 | ||
5243 | if (!test_and_clear_bit(cmd, &cur_pending)) { | |
51c1a580 MS |
5244 | BNX2X_ERR("Bad MC reply %d for func %d in state %d pending 0x%lx, next_state %d\n", |
5245 | cmd, BP_FUNC(bp), o->state, | |
5246 | cur_pending, o->next_state); | |
619c5cb6 VZ |
5247 | return -EINVAL; |
5248 | } | |
5249 | ||
94f05b0f JP |
5250 | DP(BNX2X_MSG_SP, |
5251 | "Completing command %d for func %d, setting state to %d\n", | |
5252 | cmd, BP_FUNC(bp), o->next_state); | |
619c5cb6 VZ |
5253 | |
5254 | o->state = o->next_state; | |
5255 | o->next_state = BNX2X_F_STATE_MAX; | |
5256 | ||
5257 | /* It's important that o->state and o->next_state are | |
5258 | * updated before o->pending. | |
5259 | */ | |
5260 | wmb(); | |
5261 | ||
5262 | clear_bit(cmd, &o->pending); | |
5263 | smp_mb__after_clear_bit(); | |
5264 | ||
5265 | return 0; | |
5266 | } | |
5267 | ||
5268 | /** | |
5269 | * bnx2x_func_comp_cmd - complete the state change command | |
5270 | * | |
5271 | * @bp: device handle | |
5272 | * @o: | |
5273 | * @cmd: | |
5274 | * | |
5275 | * Checks that the arrived completion is expected. | |
5276 | */ | |
5277 | static int bnx2x_func_comp_cmd(struct bnx2x *bp, | |
5278 | struct bnx2x_func_sp_obj *o, | |
5279 | enum bnx2x_func_cmd cmd) | |
5280 | { | |
5281 | /* Complete the state machine part first, check if it's a | |
5282 | * legal completion. | |
5283 | */ | |
5284 | int rc = bnx2x_func_state_change_comp(bp, o, cmd); | |
5285 | return rc; | |
5286 | } | |
5287 | ||
5288 | /** | |
5289 | * bnx2x_func_chk_transition - perform function state machine transition | |
5290 | * | |
5291 | * @bp: device handle | |
5292 | * @o: | |
5293 | * @params: | |
5294 | * | |
5295 | * It both checks if the requested command is legal in a current | |
5296 | * state and, if it's legal, sets a `next_state' in the object | |
5297 | * that will be used in the completion flow to set the `state' | |
5298 | * of the object. | |
5299 | * | |
5300 | * returns 0 if a requested command is a legal transition, | |
5301 | * -EINVAL otherwise. | |
5302 | */ | |
5303 | static int bnx2x_func_chk_transition(struct bnx2x *bp, | |
5304 | struct bnx2x_func_sp_obj *o, | |
5305 | struct bnx2x_func_state_params *params) | |
5306 | { | |
5307 | enum bnx2x_func_state state = o->state, next_state = BNX2X_F_STATE_MAX; | |
5308 | enum bnx2x_func_cmd cmd = params->cmd; | |
5309 | ||
6debea87 DK |
5310 | /* |
5311 | * Forget all pending for completion commands if a driver only state | |
5312 | * transition has been requested. | |
5313 | */ | |
5314 | if (test_bit(RAMROD_DRV_CLR_ONLY, ¶ms->ramrod_flags)) { | |
5315 | o->pending = 0; | |
5316 | o->next_state = BNX2X_F_STATE_MAX; | |
5317 | } | |
5318 | ||
5319 | /* | |
5320 | * Don't allow a next state transition if we are in the middle of | |
5321 | * the previous one. | |
5322 | */ | |
5323 | if (o->pending) | |
5324 | return -EBUSY; | |
5325 | ||
619c5cb6 VZ |
5326 | switch (state) { |
5327 | case BNX2X_F_STATE_RESET: | |
5328 | if (cmd == BNX2X_F_CMD_HW_INIT) | |
5329 | next_state = BNX2X_F_STATE_INITIALIZED; | |
5330 | ||
5331 | break; | |
5332 | case BNX2X_F_STATE_INITIALIZED: | |
5333 | if (cmd == BNX2X_F_CMD_START) | |
5334 | next_state = BNX2X_F_STATE_STARTED; | |
5335 | ||
5336 | else if (cmd == BNX2X_F_CMD_HW_RESET) | |
5337 | next_state = BNX2X_F_STATE_RESET; | |
5338 | ||
5339 | break; | |
5340 | case BNX2X_F_STATE_STARTED: | |
5341 | if (cmd == BNX2X_F_CMD_STOP) | |
5342 | next_state = BNX2X_F_STATE_INITIALIZED; | |
a3348722 BW |
5343 | /* afex ramrods can be sent only in started mode, and only |
5344 | * if not pending for function_stop ramrod completion | |
5345 | * for these events - next state remained STARTED. | |
5346 | */ | |
5347 | else if ((cmd == BNX2X_F_CMD_AFEX_UPDATE) && | |
5348 | (!test_bit(BNX2X_F_CMD_STOP, &o->pending))) | |
5349 | next_state = BNX2X_F_STATE_STARTED; | |
5350 | ||
5351 | else if ((cmd == BNX2X_F_CMD_AFEX_VIFLISTS) && | |
5352 | (!test_bit(BNX2X_F_CMD_STOP, &o->pending))) | |
5353 | next_state = BNX2X_F_STATE_STARTED; | |
6debea87 DK |
5354 | else if (cmd == BNX2X_F_CMD_TX_STOP) |
5355 | next_state = BNX2X_F_STATE_TX_STOPPED; | |
5356 | ||
5357 | break; | |
5358 | case BNX2X_F_STATE_TX_STOPPED: | |
5359 | if (cmd == BNX2X_F_CMD_TX_START) | |
5360 | next_state = BNX2X_F_STATE_STARTED; | |
619c5cb6 VZ |
5361 | |
5362 | break; | |
5363 | default: | |
5364 | BNX2X_ERR("Unknown state: %d\n", state); | |
5365 | } | |
5366 | ||
5367 | /* Transition is assured */ | |
5368 | if (next_state != BNX2X_F_STATE_MAX) { | |
5369 | DP(BNX2X_MSG_SP, "Good function state transition: %d(%d)->%d\n", | |
5370 | state, cmd, next_state); | |
5371 | o->next_state = next_state; | |
5372 | return 0; | |
5373 | } | |
5374 | ||
5375 | DP(BNX2X_MSG_SP, "Bad function state transition request: %d %d\n", | |
5376 | state, cmd); | |
5377 | ||
5378 | return -EINVAL; | |
5379 | } | |
5380 | ||
5381 | /** | |
5382 | * bnx2x_func_init_func - performs HW init at function stage | |
5383 | * | |
5384 | * @bp: device handle | |
5385 | * @drv: | |
5386 | * | |
5387 | * Init HW when the current phase is | |
5388 | * FW_MSG_CODE_DRV_LOAD_FUNCTION: initialize only FUNCTION-only | |
5389 | * HW blocks. | |
5390 | */ | |
5391 | static inline int bnx2x_func_init_func(struct bnx2x *bp, | |
5392 | const struct bnx2x_func_sp_drv_ops *drv) | |
5393 | { | |
5394 | return drv->init_hw_func(bp); | |
5395 | } | |
5396 | ||
5397 | /** | |
5398 | * bnx2x_func_init_port - performs HW init at port stage | |
5399 | * | |
5400 | * @bp: device handle | |
5401 | * @drv: | |
5402 | * | |
5403 | * Init HW when the current phase is | |
5404 | * FW_MSG_CODE_DRV_LOAD_PORT: initialize PORT-only and | |
5405 | * FUNCTION-only HW blocks. | |
5406 | * | |
5407 | */ | |
5408 | static inline int bnx2x_func_init_port(struct bnx2x *bp, | |
5409 | const struct bnx2x_func_sp_drv_ops *drv) | |
5410 | { | |
5411 | int rc = drv->init_hw_port(bp); | |
5412 | if (rc) | |
5413 | return rc; | |
5414 | ||
5415 | return bnx2x_func_init_func(bp, drv); | |
5416 | } | |
5417 | ||
5418 | /** | |
5419 | * bnx2x_func_init_cmn_chip - performs HW init at chip-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_CHIP, | |
5426 | * PORT-only and FUNCTION-only HW blocks. | |
5427 | */ | |
5428 | static inline int bnx2x_func_init_cmn_chip(struct bnx2x *bp, | |
5429 | const struct bnx2x_func_sp_drv_ops *drv) | |
5430 | { | |
5431 | int rc = drv->init_hw_cmn_chip(bp); | |
5432 | if (rc) | |
5433 | return rc; | |
5434 | ||
5435 | return bnx2x_func_init_port(bp, drv); | |
5436 | } | |
5437 | ||
5438 | /** | |
5439 | * bnx2x_func_init_cmn - performs HW init at common stage | |
5440 | * | |
5441 | * @bp: device handle | |
5442 | * @drv: | |
5443 | * | |
5444 | * Init HW when the current phase is | |
5445 | * FW_MSG_CODE_DRV_LOAD_COMMON_CHIP: initialize COMMON, | |
5446 | * PORT-only and FUNCTION-only HW blocks. | |
5447 | */ | |
5448 | static inline int bnx2x_func_init_cmn(struct bnx2x *bp, | |
5449 | const struct bnx2x_func_sp_drv_ops *drv) | |
5450 | { | |
5451 | int rc = drv->init_hw_cmn(bp); | |
5452 | if (rc) | |
5453 | return rc; | |
5454 | ||
5455 | return bnx2x_func_init_port(bp, drv); | |
5456 | } | |
5457 | ||
5458 | static int bnx2x_func_hw_init(struct bnx2x *bp, | |
5459 | struct bnx2x_func_state_params *params) | |
5460 | { | |
5461 | u32 load_code = params->params.hw_init.load_phase; | |
5462 | struct bnx2x_func_sp_obj *o = params->f_obj; | |
5463 | const struct bnx2x_func_sp_drv_ops *drv = o->drv; | |
5464 | int rc = 0; | |
5465 | ||
5466 | DP(BNX2X_MSG_SP, "function %d load_code %x\n", | |
5467 | BP_ABS_FUNC(bp), load_code); | |
5468 | ||
5469 | /* Prepare buffers for unzipping the FW */ | |
5470 | rc = drv->gunzip_init(bp); | |
5471 | if (rc) | |
5472 | return rc; | |
5473 | ||
5474 | /* Prepare FW */ | |
5475 | rc = drv->init_fw(bp); | |
5476 | if (rc) { | |
5477 | BNX2X_ERR("Error loading firmware\n"); | |
eb2afd4a | 5478 | goto init_err; |
619c5cb6 VZ |
5479 | } |
5480 | ||
5481 | /* Handle the beginning of COMMON_XXX pases separatelly... */ | |
5482 | switch (load_code) { | |
5483 | case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP: | |
5484 | rc = bnx2x_func_init_cmn_chip(bp, drv); | |
5485 | if (rc) | |
eb2afd4a | 5486 | goto init_err; |
619c5cb6 VZ |
5487 | |
5488 | break; | |
5489 | case FW_MSG_CODE_DRV_LOAD_COMMON: | |
5490 | rc = bnx2x_func_init_cmn(bp, drv); | |
5491 | if (rc) | |
eb2afd4a | 5492 | goto init_err; |
619c5cb6 VZ |
5493 | |
5494 | break; | |
5495 | case FW_MSG_CODE_DRV_LOAD_PORT: | |
5496 | rc = bnx2x_func_init_port(bp, drv); | |
5497 | if (rc) | |
eb2afd4a | 5498 | goto init_err; |
619c5cb6 VZ |
5499 | |
5500 | break; | |
5501 | case FW_MSG_CODE_DRV_LOAD_FUNCTION: | |
5502 | rc = bnx2x_func_init_func(bp, drv); | |
5503 | if (rc) | |
eb2afd4a | 5504 | goto init_err; |
619c5cb6 VZ |
5505 | |
5506 | break; | |
5507 | default: | |
5508 | BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code); | |
5509 | rc = -EINVAL; | |
5510 | } | |
5511 | ||
eb2afd4a | 5512 | init_err: |
619c5cb6 VZ |
5513 | drv->gunzip_end(bp); |
5514 | ||
5515 | /* In case of success, complete the comand immediatelly: no ramrods | |
5516 | * have been sent. | |
5517 | */ | |
5518 | if (!rc) | |
5519 | o->complete_cmd(bp, o, BNX2X_F_CMD_HW_INIT); | |
5520 | ||
5521 | return rc; | |
5522 | } | |
5523 | ||
5524 | /** | |
5525 | * bnx2x_func_reset_func - reset HW at function stage | |
5526 | * | |
5527 | * @bp: device handle | |
5528 | * @drv: | |
5529 | * | |
5530 | * Reset HW at FW_MSG_CODE_DRV_UNLOAD_FUNCTION stage: reset only | |
5531 | * FUNCTION-only HW blocks. | |
5532 | */ | |
5533 | static inline void bnx2x_func_reset_func(struct bnx2x *bp, | |
5534 | const struct bnx2x_func_sp_drv_ops *drv) | |
5535 | { | |
5536 | drv->reset_hw_func(bp); | |
5537 | } | |
5538 | ||
5539 | /** | |
5540 | * bnx2x_func_reset_port - reser HW at port stage | |
5541 | * | |
5542 | * @bp: device handle | |
5543 | * @drv: | |
5544 | * | |
5545 | * Reset HW at FW_MSG_CODE_DRV_UNLOAD_PORT stage: reset | |
5546 | * FUNCTION-only and PORT-only HW blocks. | |
5547 | * | |
5548 | * !!!IMPORTANT!!! | |
5549 | * | |
5550 | * It's important to call reset_port before reset_func() as the last thing | |
5551 | * reset_func does is pf_disable() thus disabling PGLUE_B, which | |
5552 | * makes impossible any DMAE transactions. | |
5553 | */ | |
5554 | static inline void bnx2x_func_reset_port(struct bnx2x *bp, | |
5555 | const struct bnx2x_func_sp_drv_ops *drv) | |
5556 | { | |
5557 | drv->reset_hw_port(bp); | |
5558 | bnx2x_func_reset_func(bp, drv); | |
5559 | } | |
5560 | ||
5561 | /** | |
5562 | * bnx2x_func_reset_cmn - reser HW at common stage | |
5563 | * | |
5564 | * @bp: device handle | |
5565 | * @drv: | |
5566 | * | |
5567 | * Reset HW at FW_MSG_CODE_DRV_UNLOAD_COMMON and | |
5568 | * FW_MSG_CODE_DRV_UNLOAD_COMMON_CHIP stages: reset COMMON, | |
5569 | * COMMON_CHIP, FUNCTION-only and PORT-only HW blocks. | |
5570 | */ | |
5571 | static inline void bnx2x_func_reset_cmn(struct bnx2x *bp, | |
5572 | const struct bnx2x_func_sp_drv_ops *drv) | |
5573 | { | |
5574 | bnx2x_func_reset_port(bp, drv); | |
5575 | drv->reset_hw_cmn(bp); | |
5576 | } | |
5577 | ||
5578 | ||
5579 | static inline int bnx2x_func_hw_reset(struct bnx2x *bp, | |
5580 | struct bnx2x_func_state_params *params) | |
5581 | { | |
5582 | u32 reset_phase = params->params.hw_reset.reset_phase; | |
5583 | struct bnx2x_func_sp_obj *o = params->f_obj; | |
5584 | const struct bnx2x_func_sp_drv_ops *drv = o->drv; | |
5585 | ||
5586 | DP(BNX2X_MSG_SP, "function %d reset_phase %x\n", BP_ABS_FUNC(bp), | |
5587 | reset_phase); | |
5588 | ||
5589 | switch (reset_phase) { | |
5590 | case FW_MSG_CODE_DRV_UNLOAD_COMMON: | |
5591 | bnx2x_func_reset_cmn(bp, drv); | |
5592 | break; | |
5593 | case FW_MSG_CODE_DRV_UNLOAD_PORT: | |
5594 | bnx2x_func_reset_port(bp, drv); | |
5595 | break; | |
5596 | case FW_MSG_CODE_DRV_UNLOAD_FUNCTION: | |
5597 | bnx2x_func_reset_func(bp, drv); | |
5598 | break; | |
5599 | default: | |
5600 | BNX2X_ERR("Unknown reset_phase (0x%x) from MCP\n", | |
5601 | reset_phase); | |
5602 | break; | |
5603 | } | |
5604 | ||
5605 | /* Complete the comand immediatelly: no ramrods have been sent. */ | |
5606 | o->complete_cmd(bp, o, BNX2X_F_CMD_HW_RESET); | |
5607 | ||
5608 | return 0; | |
5609 | } | |
5610 | ||
5611 | static inline int bnx2x_func_send_start(struct bnx2x *bp, | |
5612 | struct bnx2x_func_state_params *params) | |
5613 | { | |
5614 | struct bnx2x_func_sp_obj *o = params->f_obj; | |
5615 | struct function_start_data *rdata = | |
5616 | (struct function_start_data *)o->rdata; | |
5617 | dma_addr_t data_mapping = o->rdata_mapping; | |
5618 | struct bnx2x_func_start_params *start_params = ¶ms->params.start; | |
5619 | ||
5620 | memset(rdata, 0, sizeof(*rdata)); | |
5621 | ||
5622 | /* Fill the ramrod data with provided parameters */ | |
5623 | rdata->function_mode = cpu_to_le16(start_params->mf_mode); | |
ab4a7139 | 5624 | rdata->sd_vlan_tag = cpu_to_le16(start_params->sd_vlan_tag); |
619c5cb6 VZ |
5625 | rdata->path_id = BP_PATH(bp); |
5626 | rdata->network_cos_mode = start_params->network_cos_mode; | |
5627 | ||
53e51e2f VZ |
5628 | /* |
5629 | * No need for an explicit memory barrier here as long we would | |
5630 | * need to ensure the ordering of writing to the SPQ element | |
5631 | * and updating of the SPQ producer which involves a memory | |
5632 | * read and we will have to put a full memory barrier there | |
5633 | * (inside bnx2x_sp_post()). | |
5634 | */ | |
619c5cb6 VZ |
5635 | |
5636 | return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_START, 0, | |
5637 | U64_HI(data_mapping), | |
5638 | U64_LO(data_mapping), NONE_CONNECTION_TYPE); | |
5639 | } | |
5640 | ||
a3348722 BW |
5641 | static inline int bnx2x_func_send_afex_update(struct bnx2x *bp, |
5642 | struct bnx2x_func_state_params *params) | |
5643 | { | |
5644 | struct bnx2x_func_sp_obj *o = params->f_obj; | |
5645 | struct function_update_data *rdata = | |
5646 | (struct function_update_data *)o->afex_rdata; | |
5647 | dma_addr_t data_mapping = o->afex_rdata_mapping; | |
5648 | struct bnx2x_func_afex_update_params *afex_update_params = | |
5649 | ¶ms->params.afex_update; | |
5650 | ||
5651 | memset(rdata, 0, sizeof(*rdata)); | |
5652 | ||
5653 | /* Fill the ramrod data with provided parameters */ | |
5654 | rdata->vif_id_change_flg = 1; | |
5655 | rdata->vif_id = cpu_to_le16(afex_update_params->vif_id); | |
5656 | rdata->afex_default_vlan_change_flg = 1; | |
5657 | rdata->afex_default_vlan = | |
5658 | cpu_to_le16(afex_update_params->afex_default_vlan); | |
5659 | rdata->allowed_priorities_change_flg = 1; | |
5660 | rdata->allowed_priorities = afex_update_params->allowed_priorities; | |
5661 | ||
5662 | /* No need for an explicit memory barrier here as long we would | |
5663 | * need to ensure the ordering of writing to the SPQ element | |
5664 | * and updating of the SPQ producer which involves a memory | |
5665 | * read and we will have to put a full memory barrier there | |
5666 | * (inside bnx2x_sp_post()). | |
5667 | */ | |
5668 | DP(BNX2X_MSG_SP, | |
5669 | "afex: sending func_update vif_id 0x%x dvlan 0x%x prio 0x%x\n", | |
5670 | rdata->vif_id, | |
5671 | rdata->afex_default_vlan, rdata->allowed_priorities); | |
5672 | ||
5673 | return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_UPDATE, 0, | |
5674 | U64_HI(data_mapping), | |
5675 | U64_LO(data_mapping), NONE_CONNECTION_TYPE); | |
5676 | } | |
5677 | ||
5678 | static | |
5679 | inline int bnx2x_func_send_afex_viflists(struct bnx2x *bp, | |
5680 | struct bnx2x_func_state_params *params) | |
5681 | { | |
5682 | struct bnx2x_func_sp_obj *o = params->f_obj; | |
5683 | struct afex_vif_list_ramrod_data *rdata = | |
5684 | (struct afex_vif_list_ramrod_data *)o->afex_rdata; | |
5685 | struct bnx2x_func_afex_viflists_params *afex_viflist_params = | |
5686 | ¶ms->params.afex_viflists; | |
5687 | u64 *p_rdata = (u64 *)rdata; | |
5688 | ||
5689 | memset(rdata, 0, sizeof(*rdata)); | |
5690 | ||
5691 | /* Fill the ramrod data with provided parameters */ | |
5692 | rdata->vif_list_index = afex_viflist_params->vif_list_index; | |
5693 | rdata->func_bit_map = afex_viflist_params->func_bit_map; | |
5694 | rdata->afex_vif_list_command = | |
5695 | afex_viflist_params->afex_vif_list_command; | |
5696 | rdata->func_to_clear = afex_viflist_params->func_to_clear; | |
5697 | ||
5698 | /* send in echo type of sub command */ | |
5699 | rdata->echo = afex_viflist_params->afex_vif_list_command; | |
5700 | ||
5701 | /* No need for an explicit memory barrier here as long we would | |
5702 | * need to ensure the ordering of writing to the SPQ element | |
5703 | * and updating of the SPQ producer which involves a memory | |
5704 | * read and we will have to put a full memory barrier there | |
5705 | * (inside bnx2x_sp_post()). | |
5706 | */ | |
5707 | ||
5708 | DP(BNX2X_MSG_SP, "afex: ramrod lists, cmd 0x%x index 0x%x func_bit_map 0x%x func_to_clr 0x%x\n", | |
5709 | rdata->afex_vif_list_command, rdata->vif_list_index, | |
5710 | rdata->func_bit_map, rdata->func_to_clear); | |
5711 | ||
5712 | /* this ramrod sends data directly and not through DMA mapping */ | |
5713 | return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_AFEX_VIF_LISTS, 0, | |
5714 | U64_HI(*p_rdata), U64_LO(*p_rdata), | |
5715 | NONE_CONNECTION_TYPE); | |
5716 | } | |
5717 | ||
619c5cb6 VZ |
5718 | static inline int bnx2x_func_send_stop(struct bnx2x *bp, |
5719 | struct bnx2x_func_state_params *params) | |
5720 | { | |
5721 | return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_STOP, 0, 0, 0, | |
5722 | NONE_CONNECTION_TYPE); | |
5723 | } | |
5724 | ||
6debea87 DK |
5725 | static inline int bnx2x_func_send_tx_stop(struct bnx2x *bp, |
5726 | struct bnx2x_func_state_params *params) | |
5727 | { | |
5728 | return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_STOP_TRAFFIC, 0, 0, 0, | |
5729 | NONE_CONNECTION_TYPE); | |
5730 | } | |
5731 | static inline int bnx2x_func_send_tx_start(struct bnx2x *bp, | |
5732 | struct bnx2x_func_state_params *params) | |
5733 | { | |
5734 | struct bnx2x_func_sp_obj *o = params->f_obj; | |
5735 | struct flow_control_configuration *rdata = | |
5736 | (struct flow_control_configuration *)o->rdata; | |
5737 | dma_addr_t data_mapping = o->rdata_mapping; | |
5738 | struct bnx2x_func_tx_start_params *tx_start_params = | |
5739 | ¶ms->params.tx_start; | |
5740 | int i; | |
5741 | ||
5742 | memset(rdata, 0, sizeof(*rdata)); | |
5743 | ||
5744 | rdata->dcb_enabled = tx_start_params->dcb_enabled; | |
5745 | rdata->dcb_version = tx_start_params->dcb_version; | |
5746 | rdata->dont_add_pri_0_en = tx_start_params->dont_add_pri_0_en; | |
5747 | ||
5748 | for (i = 0; i < ARRAY_SIZE(rdata->traffic_type_to_priority_cos); i++) | |
5749 | rdata->traffic_type_to_priority_cos[i] = | |
5750 | tx_start_params->traffic_type_to_priority_cos[i]; | |
5751 | ||
5752 | return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_START_TRAFFIC, 0, | |
5753 | U64_HI(data_mapping), | |
5754 | U64_LO(data_mapping), NONE_CONNECTION_TYPE); | |
5755 | } | |
5756 | ||
619c5cb6 VZ |
5757 | static int bnx2x_func_send_cmd(struct bnx2x *bp, |
5758 | struct bnx2x_func_state_params *params) | |
5759 | { | |
5760 | switch (params->cmd) { | |
5761 | case BNX2X_F_CMD_HW_INIT: | |
5762 | return bnx2x_func_hw_init(bp, params); | |
5763 | case BNX2X_F_CMD_START: | |
5764 | return bnx2x_func_send_start(bp, params); | |
5765 | case BNX2X_F_CMD_STOP: | |
5766 | return bnx2x_func_send_stop(bp, params); | |
5767 | case BNX2X_F_CMD_HW_RESET: | |
5768 | return bnx2x_func_hw_reset(bp, params); | |
a3348722 BW |
5769 | case BNX2X_F_CMD_AFEX_UPDATE: |
5770 | return bnx2x_func_send_afex_update(bp, params); | |
5771 | case BNX2X_F_CMD_AFEX_VIFLISTS: | |
5772 | return bnx2x_func_send_afex_viflists(bp, params); | |
6debea87 DK |
5773 | case BNX2X_F_CMD_TX_STOP: |
5774 | return bnx2x_func_send_tx_stop(bp, params); | |
5775 | case BNX2X_F_CMD_TX_START: | |
5776 | return bnx2x_func_send_tx_start(bp, params); | |
619c5cb6 VZ |
5777 | default: |
5778 | BNX2X_ERR("Unknown command: %d\n", params->cmd); | |
5779 | return -EINVAL; | |
5780 | } | |
5781 | } | |
5782 | ||
5783 | void bnx2x_init_func_obj(struct bnx2x *bp, | |
5784 | struct bnx2x_func_sp_obj *obj, | |
5785 | void *rdata, dma_addr_t rdata_mapping, | |
a3348722 | 5786 | void *afex_rdata, dma_addr_t afex_rdata_mapping, |
619c5cb6 VZ |
5787 | struct bnx2x_func_sp_drv_ops *drv_iface) |
5788 | { | |
5789 | memset(obj, 0, sizeof(*obj)); | |
5790 | ||
5791 | mutex_init(&obj->one_pending_mutex); | |
5792 | ||
5793 | obj->rdata = rdata; | |
5794 | obj->rdata_mapping = rdata_mapping; | |
a3348722 BW |
5795 | obj->afex_rdata = afex_rdata; |
5796 | obj->afex_rdata_mapping = afex_rdata_mapping; | |
619c5cb6 VZ |
5797 | obj->send_cmd = bnx2x_func_send_cmd; |
5798 | obj->check_transition = bnx2x_func_chk_transition; | |
5799 | obj->complete_cmd = bnx2x_func_comp_cmd; | |
5800 | obj->wait_comp = bnx2x_func_wait_comp; | |
5801 | ||
5802 | obj->drv = drv_iface; | |
5803 | } | |
5804 | ||
5805 | /** | |
5806 | * bnx2x_func_state_change - perform Function state change transition | |
5807 | * | |
5808 | * @bp: device handle | |
5809 | * @params: parameters to perform the transaction | |
5810 | * | |
5811 | * returns 0 in case of successfully completed transition, | |
5812 | * negative error code in case of failure, positive | |
5813 | * (EBUSY) value if there is a completion to that is | |
5814 | * still pending (possible only if RAMROD_COMP_WAIT is | |
5815 | * not set in params->ramrod_flags for asynchronous | |
5816 | * commands). | |
5817 | */ | |
5818 | int bnx2x_func_state_change(struct bnx2x *bp, | |
5819 | struct bnx2x_func_state_params *params) | |
5820 | { | |
5821 | struct bnx2x_func_sp_obj *o = params->f_obj; | |
5822 | int rc; | |
5823 | enum bnx2x_func_cmd cmd = params->cmd; | |
5824 | unsigned long *pending = &o->pending; | |
5825 | ||
5826 | mutex_lock(&o->one_pending_mutex); | |
5827 | ||
5828 | /* Check that the requested transition is legal */ | |
5829 | if (o->check_transition(bp, o, params)) { | |
5830 | mutex_unlock(&o->one_pending_mutex); | |
5831 | return -EINVAL; | |
5832 | } | |
5833 | ||
5834 | /* Set "pending" bit */ | |
5835 | set_bit(cmd, pending); | |
5836 | ||
5837 | /* Don't send a command if only driver cleanup was requested */ | |
5838 | if (test_bit(RAMROD_DRV_CLR_ONLY, ¶ms->ramrod_flags)) { | |
5839 | bnx2x_func_state_change_comp(bp, o, cmd); | |
5840 | mutex_unlock(&o->one_pending_mutex); | |
5841 | } else { | |
5842 | /* Send a ramrod */ | |
5843 | rc = o->send_cmd(bp, params); | |
5844 | ||
5845 | mutex_unlock(&o->one_pending_mutex); | |
5846 | ||
5847 | if (rc) { | |
5848 | o->next_state = BNX2X_F_STATE_MAX; | |
5849 | clear_bit(cmd, pending); | |
5850 | smp_mb__after_clear_bit(); | |
5851 | return rc; | |
5852 | } | |
5853 | ||
5854 | if (test_bit(RAMROD_COMP_WAIT, ¶ms->ramrod_flags)) { | |
5855 | rc = o->wait_comp(bp, o, cmd); | |
5856 | if (rc) | |
5857 | return rc; | |
5858 | ||
5859 | return 0; | |
5860 | } | |
5861 | } | |
042181f5 | 5862 | |
619c5cb6 | 5863 | return !!test_bit(cmd, pending); |
042181f5 | 5864 | } |