]> Pileus Git - ~andy/linux/blob - drivers/net/ethernet/brocade/bna/bna_tx_rx.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux...
[~andy/linux] / drivers / net / ethernet / brocade / bna / bna_tx_rx.c
1 /*
2  * Linux network driver for Brocade Converged Network Adapter.
3  *
4  * This program is free software; you can redistribute it and/or modify it
5  * under the terms of the GNU General Public License (GPL) Version 2 as
6  * published by the Free Software Foundation
7  *
8  * This program is distributed in the hope that it will be useful, but
9  * WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
11  * General Public License for more details.
12   */
13 /*
14  * Copyright (c) 2005-2011 Brocade Communications Systems, Inc.
15  * All rights reserved
16  * www.brocade.com
17  */
18 #include "bna.h"
19 #include "bfi.h"
20
21 /* IB */
22 static void
23 bna_ib_coalescing_timeo_set(struct bna_ib *ib, u8 coalescing_timeo)
24 {
25         ib->coalescing_timeo = coalescing_timeo;
26         ib->door_bell.doorbell_ack = BNA_DOORBELL_IB_INT_ACK(
27                                 (u32)ib->coalescing_timeo, 0);
28 }
29
30 /* RXF */
31
32 #define bna_rxf_vlan_cfg_soft_reset(rxf)                                \
33 do {                                                                    \
34         (rxf)->vlan_pending_bitmask = (u8)BFI_VLAN_BMASK_ALL;           \
35         (rxf)->vlan_strip_pending = true;                               \
36 } while (0)
37
38 #define bna_rxf_rss_cfg_soft_reset(rxf)                                 \
39 do {                                                                    \
40         if ((rxf)->rss_status == BNA_STATUS_T_ENABLED)                  \
41                 (rxf)->rss_pending = (BNA_RSS_F_RIT_PENDING |           \
42                                 BNA_RSS_F_CFG_PENDING |                 \
43                                 BNA_RSS_F_STATUS_PENDING);              \
44 } while (0)
45
46 static int bna_rxf_cfg_apply(struct bna_rxf *rxf);
47 static void bna_rxf_cfg_reset(struct bna_rxf *rxf);
48 static int bna_rxf_fltr_clear(struct bna_rxf *rxf);
49 static int bna_rxf_ucast_cfg_apply(struct bna_rxf *rxf);
50 static int bna_rxf_promisc_cfg_apply(struct bna_rxf *rxf);
51 static int bna_rxf_allmulti_cfg_apply(struct bna_rxf *rxf);
52 static int bna_rxf_vlan_strip_cfg_apply(struct bna_rxf *rxf);
53 static int bna_rxf_ucast_cfg_reset(struct bna_rxf *rxf,
54                                         enum bna_cleanup_type cleanup);
55 static int bna_rxf_promisc_cfg_reset(struct bna_rxf *rxf,
56                                         enum bna_cleanup_type cleanup);
57 static int bna_rxf_allmulti_cfg_reset(struct bna_rxf *rxf,
58                                         enum bna_cleanup_type cleanup);
59
60 bfa_fsm_state_decl(bna_rxf, stopped, struct bna_rxf,
61                         enum bna_rxf_event);
62 bfa_fsm_state_decl(bna_rxf, paused, struct bna_rxf,
63                         enum bna_rxf_event);
64 bfa_fsm_state_decl(bna_rxf, cfg_wait, struct bna_rxf,
65                         enum bna_rxf_event);
66 bfa_fsm_state_decl(bna_rxf, started, struct bna_rxf,
67                         enum bna_rxf_event);
68 bfa_fsm_state_decl(bna_rxf, fltr_clr_wait, struct bna_rxf,
69                         enum bna_rxf_event);
70 bfa_fsm_state_decl(bna_rxf, last_resp_wait, struct bna_rxf,
71                         enum bna_rxf_event);
72
73 static void
74 bna_rxf_sm_stopped_entry(struct bna_rxf *rxf)
75 {
76         call_rxf_stop_cbfn(rxf);
77 }
78
79 static void
80 bna_rxf_sm_stopped(struct bna_rxf *rxf, enum bna_rxf_event event)
81 {
82         switch (event) {
83         case RXF_E_START:
84                 if (rxf->flags & BNA_RXF_F_PAUSED) {
85                         bfa_fsm_set_state(rxf, bna_rxf_sm_paused);
86                         call_rxf_start_cbfn(rxf);
87                 } else
88                         bfa_fsm_set_state(rxf, bna_rxf_sm_cfg_wait);
89                 break;
90
91         case RXF_E_STOP:
92                 call_rxf_stop_cbfn(rxf);
93                 break;
94
95         case RXF_E_FAIL:
96                 /* No-op */
97                 break;
98
99         case RXF_E_CONFIG:
100                 call_rxf_cam_fltr_cbfn(rxf);
101                 break;
102
103         case RXF_E_PAUSE:
104                 rxf->flags |= BNA_RXF_F_PAUSED;
105                 call_rxf_pause_cbfn(rxf);
106                 break;
107
108         case RXF_E_RESUME:
109                 rxf->flags &= ~BNA_RXF_F_PAUSED;
110                 call_rxf_resume_cbfn(rxf);
111                 break;
112
113         default:
114                 bfa_sm_fault(event);
115         }
116 }
117
118 static void
119 bna_rxf_sm_paused_entry(struct bna_rxf *rxf)
120 {
121         call_rxf_pause_cbfn(rxf);
122 }
123
124 static void
125 bna_rxf_sm_paused(struct bna_rxf *rxf, enum bna_rxf_event event)
126 {
127         switch (event) {
128         case RXF_E_STOP:
129         case RXF_E_FAIL:
130                 bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
131                 break;
132
133         case RXF_E_CONFIG:
134                 call_rxf_cam_fltr_cbfn(rxf);
135                 break;
136
137         case RXF_E_RESUME:
138                 rxf->flags &= ~BNA_RXF_F_PAUSED;
139                 bfa_fsm_set_state(rxf, bna_rxf_sm_cfg_wait);
140                 break;
141
142         default:
143                 bfa_sm_fault(event);
144         }
145 }
146
147 static void
148 bna_rxf_sm_cfg_wait_entry(struct bna_rxf *rxf)
149 {
150         if (!bna_rxf_cfg_apply(rxf)) {
151                 /* No more pending config updates */
152                 bfa_fsm_set_state(rxf, bna_rxf_sm_started);
153         }
154 }
155
156 static void
157 bna_rxf_sm_cfg_wait(struct bna_rxf *rxf, enum bna_rxf_event event)
158 {
159         switch (event) {
160         case RXF_E_STOP:
161                 bfa_fsm_set_state(rxf, bna_rxf_sm_last_resp_wait);
162                 break;
163
164         case RXF_E_FAIL:
165                 bna_rxf_cfg_reset(rxf);
166                 call_rxf_start_cbfn(rxf);
167                 call_rxf_cam_fltr_cbfn(rxf);
168                 call_rxf_resume_cbfn(rxf);
169                 bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
170                 break;
171
172         case RXF_E_CONFIG:
173                 /* No-op */
174                 break;
175
176         case RXF_E_PAUSE:
177                 rxf->flags |= BNA_RXF_F_PAUSED;
178                 call_rxf_start_cbfn(rxf);
179                 bfa_fsm_set_state(rxf, bna_rxf_sm_fltr_clr_wait);
180                 break;
181
182         case RXF_E_FW_RESP:
183                 if (!bna_rxf_cfg_apply(rxf)) {
184                         /* No more pending config updates */
185                         bfa_fsm_set_state(rxf, bna_rxf_sm_started);
186                 }
187                 break;
188
189         default:
190                 bfa_sm_fault(event);
191         }
192 }
193
194 static void
195 bna_rxf_sm_started_entry(struct bna_rxf *rxf)
196 {
197         call_rxf_start_cbfn(rxf);
198         call_rxf_cam_fltr_cbfn(rxf);
199         call_rxf_resume_cbfn(rxf);
200 }
201
202 static void
203 bna_rxf_sm_started(struct bna_rxf *rxf, enum bna_rxf_event event)
204 {
205         switch (event) {
206         case RXF_E_STOP:
207         case RXF_E_FAIL:
208                 bna_rxf_cfg_reset(rxf);
209                 bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
210                 break;
211
212         case RXF_E_CONFIG:
213                 bfa_fsm_set_state(rxf, bna_rxf_sm_cfg_wait);
214                 break;
215
216         case RXF_E_PAUSE:
217                 rxf->flags |= BNA_RXF_F_PAUSED;
218                 if (!bna_rxf_fltr_clear(rxf))
219                         bfa_fsm_set_state(rxf, bna_rxf_sm_paused);
220                 else
221                         bfa_fsm_set_state(rxf, bna_rxf_sm_fltr_clr_wait);
222                 break;
223
224         default:
225                 bfa_sm_fault(event);
226         }
227 }
228
229 static void
230 bna_rxf_sm_fltr_clr_wait_entry(struct bna_rxf *rxf)
231 {
232 }
233
234 static void
235 bna_rxf_sm_fltr_clr_wait(struct bna_rxf *rxf, enum bna_rxf_event event)
236 {
237         switch (event) {
238         case RXF_E_FAIL:
239                 bna_rxf_cfg_reset(rxf);
240                 call_rxf_pause_cbfn(rxf);
241                 bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
242                 break;
243
244         case RXF_E_FW_RESP:
245                 if (!bna_rxf_fltr_clear(rxf)) {
246                         /* No more pending CAM entries to clear */
247                         bfa_fsm_set_state(rxf, bna_rxf_sm_paused);
248                 }
249                 break;
250
251         default:
252                 bfa_sm_fault(event);
253         }
254 }
255
256 static void
257 bna_rxf_sm_last_resp_wait_entry(struct bna_rxf *rxf)
258 {
259 }
260
261 static void
262 bna_rxf_sm_last_resp_wait(struct bna_rxf *rxf, enum bna_rxf_event event)
263 {
264         switch (event) {
265         case RXF_E_FAIL:
266         case RXF_E_FW_RESP:
267                 bna_rxf_cfg_reset(rxf);
268                 bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
269                 break;
270
271         default:
272                 bfa_sm_fault(event);
273         }
274 }
275
276 static void
277 bna_bfi_ucast_req(struct bna_rxf *rxf, struct bna_mac *mac,
278                 enum bfi_enet_h2i_msgs req_type)
279 {
280         struct bfi_enet_ucast_req *req = &rxf->bfi_enet_cmd.ucast_req;
281
282         bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET, req_type, 0, rxf->rx->rid);
283         req->mh.num_entries = htons(
284         bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_ucast_req)));
285         memcpy(&req->mac_addr, &mac->addr, sizeof(mac_t));
286         bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
287                 sizeof(struct bfi_enet_ucast_req), &req->mh);
288         bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
289 }
290
291 static void
292 bna_bfi_mcast_add_req(struct bna_rxf *rxf, struct bna_mac *mac)
293 {
294         struct bfi_enet_mcast_add_req *req =
295                 &rxf->bfi_enet_cmd.mcast_add_req;
296
297         bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET, BFI_ENET_H2I_MAC_MCAST_ADD_REQ,
298                 0, rxf->rx->rid);
299         req->mh.num_entries = htons(
300         bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_mcast_add_req)));
301         memcpy(&req->mac_addr, &mac->addr, sizeof(mac_t));
302         bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
303                 sizeof(struct bfi_enet_mcast_add_req), &req->mh);
304         bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
305 }
306
307 static void
308 bna_bfi_mcast_del_req(struct bna_rxf *rxf, u16 handle)
309 {
310         struct bfi_enet_mcast_del_req *req =
311                 &rxf->bfi_enet_cmd.mcast_del_req;
312
313         bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET, BFI_ENET_H2I_MAC_MCAST_DEL_REQ,
314                 0, rxf->rx->rid);
315         req->mh.num_entries = htons(
316         bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_mcast_del_req)));
317         req->handle = htons(handle);
318         bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
319                 sizeof(struct bfi_enet_mcast_del_req), &req->mh);
320         bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
321 }
322
323 static void
324 bna_bfi_mcast_filter_req(struct bna_rxf *rxf, enum bna_status status)
325 {
326         struct bfi_enet_enable_req *req = &rxf->bfi_enet_cmd.req;
327
328         bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
329                 BFI_ENET_H2I_MAC_MCAST_FILTER_REQ, 0, rxf->rx->rid);
330         req->mh.num_entries = htons(
331                 bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_enable_req)));
332         req->enable = status;
333         bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
334                 sizeof(struct bfi_enet_enable_req), &req->mh);
335         bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
336 }
337
338 static void
339 bna_bfi_rx_promisc_req(struct bna_rxf *rxf, enum bna_status status)
340 {
341         struct bfi_enet_enable_req *req = &rxf->bfi_enet_cmd.req;
342
343         bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
344                 BFI_ENET_H2I_RX_PROMISCUOUS_REQ, 0, rxf->rx->rid);
345         req->mh.num_entries = htons(
346                 bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_enable_req)));
347         req->enable = status;
348         bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
349                 sizeof(struct bfi_enet_enable_req), &req->mh);
350         bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
351 }
352
353 static void
354 bna_bfi_rx_vlan_filter_set(struct bna_rxf *rxf, u8 block_idx)
355 {
356         struct bfi_enet_rx_vlan_req *req = &rxf->bfi_enet_cmd.vlan_req;
357         int i;
358         int j;
359
360         bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
361                 BFI_ENET_H2I_RX_VLAN_SET_REQ, 0, rxf->rx->rid);
362         req->mh.num_entries = htons(
363                 bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_rx_vlan_req)));
364         req->block_idx = block_idx;
365         for (i = 0; i < (BFI_ENET_VLAN_BLOCK_SIZE / 32); i++) {
366                 j = (block_idx * (BFI_ENET_VLAN_BLOCK_SIZE / 32)) + i;
367                 if (rxf->vlan_filter_status == BNA_STATUS_T_ENABLED)
368                         req->bit_mask[i] =
369                                 htonl(rxf->vlan_filter_table[j]);
370                 else
371                         req->bit_mask[i] = 0xFFFFFFFF;
372         }
373         bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
374                 sizeof(struct bfi_enet_rx_vlan_req), &req->mh);
375         bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
376 }
377
378 static void
379 bna_bfi_vlan_strip_enable(struct bna_rxf *rxf)
380 {
381         struct bfi_enet_enable_req *req = &rxf->bfi_enet_cmd.req;
382
383         bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
384                 BFI_ENET_H2I_RX_VLAN_STRIP_ENABLE_REQ, 0, rxf->rx->rid);
385         req->mh.num_entries = htons(
386                 bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_enable_req)));
387         req->enable = rxf->vlan_strip_status;
388         bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
389                 sizeof(struct bfi_enet_enable_req), &req->mh);
390         bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
391 }
392
393 static void
394 bna_bfi_rit_cfg(struct bna_rxf *rxf)
395 {
396         struct bfi_enet_rit_req *req = &rxf->bfi_enet_cmd.rit_req;
397
398         bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
399                 BFI_ENET_H2I_RIT_CFG_REQ, 0, rxf->rx->rid);
400         req->mh.num_entries = htons(
401                 bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_rit_req)));
402         req->size = htons(rxf->rit_size);
403         memcpy(&req->table[0], rxf->rit, rxf->rit_size);
404         bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
405                 sizeof(struct bfi_enet_rit_req), &req->mh);
406         bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
407 }
408
409 static void
410 bna_bfi_rss_cfg(struct bna_rxf *rxf)
411 {
412         struct bfi_enet_rss_cfg_req *req = &rxf->bfi_enet_cmd.rss_req;
413         int i;
414
415         bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
416                 BFI_ENET_H2I_RSS_CFG_REQ, 0, rxf->rx->rid);
417         req->mh.num_entries = htons(
418                 bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_rss_cfg_req)));
419         req->cfg.type = rxf->rss_cfg.hash_type;
420         req->cfg.mask = rxf->rss_cfg.hash_mask;
421         for (i = 0; i < BFI_ENET_RSS_KEY_LEN; i++)
422                 req->cfg.key[i] =
423                         htonl(rxf->rss_cfg.toeplitz_hash_key[i]);
424         bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
425                 sizeof(struct bfi_enet_rss_cfg_req), &req->mh);
426         bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
427 }
428
429 static void
430 bna_bfi_rss_enable(struct bna_rxf *rxf)
431 {
432         struct bfi_enet_enable_req *req = &rxf->bfi_enet_cmd.req;
433
434         bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
435                 BFI_ENET_H2I_RSS_ENABLE_REQ, 0, rxf->rx->rid);
436         req->mh.num_entries = htons(
437                 bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_enable_req)));
438         req->enable = rxf->rss_status;
439         bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
440                 sizeof(struct bfi_enet_enable_req), &req->mh);
441         bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
442 }
443
444 /* This function gets the multicast MAC that has already been added to CAM */
445 static struct bna_mac *
446 bna_rxf_mcmac_get(struct bna_rxf *rxf, u8 *mac_addr)
447 {
448         struct bna_mac *mac;
449         struct list_head *qe;
450
451         list_for_each(qe, &rxf->mcast_active_q) {
452                 mac = (struct bna_mac *)qe;
453                 if (BNA_MAC_IS_EQUAL(&mac->addr, mac_addr))
454                         return mac;
455         }
456
457         list_for_each(qe, &rxf->mcast_pending_del_q) {
458                 mac = (struct bna_mac *)qe;
459                 if (BNA_MAC_IS_EQUAL(&mac->addr, mac_addr))
460                         return mac;
461         }
462
463         return NULL;
464 }
465
466 static struct bna_mcam_handle *
467 bna_rxf_mchandle_get(struct bna_rxf *rxf, int handle)
468 {
469         struct bna_mcam_handle *mchandle;
470         struct list_head *qe;
471
472         list_for_each(qe, &rxf->mcast_handle_q) {
473                 mchandle = (struct bna_mcam_handle *)qe;
474                 if (mchandle->handle == handle)
475                         return mchandle;
476         }
477
478         return NULL;
479 }
480
481 static void
482 bna_rxf_mchandle_attach(struct bna_rxf *rxf, u8 *mac_addr, int handle)
483 {
484         struct bna_mac *mcmac;
485         struct bna_mcam_handle *mchandle;
486
487         mcmac = bna_rxf_mcmac_get(rxf, mac_addr);
488         mchandle = bna_rxf_mchandle_get(rxf, handle);
489         if (mchandle == NULL) {
490                 mchandle = bna_mcam_mod_handle_get(&rxf->rx->bna->mcam_mod);
491                 mchandle->handle = handle;
492                 mchandle->refcnt = 0;
493                 list_add_tail(&mchandle->qe, &rxf->mcast_handle_q);
494         }
495         mchandle->refcnt++;
496         mcmac->handle = mchandle;
497 }
498
499 static int
500 bna_rxf_mcast_del(struct bna_rxf *rxf, struct bna_mac *mac,
501                 enum bna_cleanup_type cleanup)
502 {
503         struct bna_mcam_handle *mchandle;
504         int ret = 0;
505
506         mchandle = mac->handle;
507         if (mchandle == NULL)
508                 return ret;
509
510         mchandle->refcnt--;
511         if (mchandle->refcnt == 0) {
512                 if (cleanup == BNA_HARD_CLEANUP) {
513                         bna_bfi_mcast_del_req(rxf, mchandle->handle);
514                         ret = 1;
515                 }
516                 list_del(&mchandle->qe);
517                 bfa_q_qe_init(&mchandle->qe);
518                 bna_mcam_mod_handle_put(&rxf->rx->bna->mcam_mod, mchandle);
519         }
520         mac->handle = NULL;
521
522         return ret;
523 }
524
525 static int
526 bna_rxf_mcast_cfg_apply(struct bna_rxf *rxf)
527 {
528         struct bna_mac *mac = NULL;
529         struct list_head *qe;
530         int ret;
531
532         /* Delete multicast entries previousely added */
533         while (!list_empty(&rxf->mcast_pending_del_q)) {
534                 bfa_q_deq(&rxf->mcast_pending_del_q, &qe);
535                 bfa_q_qe_init(qe);
536                 mac = (struct bna_mac *)qe;
537                 ret = bna_rxf_mcast_del(rxf, mac, BNA_HARD_CLEANUP);
538                 bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac);
539                 if (ret)
540                         return ret;
541         }
542
543         /* Add multicast entries */
544         if (!list_empty(&rxf->mcast_pending_add_q)) {
545                 bfa_q_deq(&rxf->mcast_pending_add_q, &qe);
546                 bfa_q_qe_init(qe);
547                 mac = (struct bna_mac *)qe;
548                 list_add_tail(&mac->qe, &rxf->mcast_active_q);
549                 bna_bfi_mcast_add_req(rxf, mac);
550                 return 1;
551         }
552
553         return 0;
554 }
555
556 static int
557 bna_rxf_vlan_cfg_apply(struct bna_rxf *rxf)
558 {
559         u8 vlan_pending_bitmask;
560         int block_idx = 0;
561
562         if (rxf->vlan_pending_bitmask) {
563                 vlan_pending_bitmask = rxf->vlan_pending_bitmask;
564                 while (!(vlan_pending_bitmask & 0x1)) {
565                         block_idx++;
566                         vlan_pending_bitmask >>= 1;
567                 }
568                 rxf->vlan_pending_bitmask &= ~(1 << block_idx);
569                 bna_bfi_rx_vlan_filter_set(rxf, block_idx);
570                 return 1;
571         }
572
573         return 0;
574 }
575
576 static int
577 bna_rxf_mcast_cfg_reset(struct bna_rxf *rxf, enum bna_cleanup_type cleanup)
578 {
579         struct list_head *qe;
580         struct bna_mac *mac;
581         int ret;
582
583         /* Throw away delete pending mcast entries */
584         while (!list_empty(&rxf->mcast_pending_del_q)) {
585                 bfa_q_deq(&rxf->mcast_pending_del_q, &qe);
586                 bfa_q_qe_init(qe);
587                 mac = (struct bna_mac *)qe;
588                 ret = bna_rxf_mcast_del(rxf, mac, cleanup);
589                 bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac);
590                 if (ret)
591                         return ret;
592         }
593
594         /* Move active mcast entries to pending_add_q */
595         while (!list_empty(&rxf->mcast_active_q)) {
596                 bfa_q_deq(&rxf->mcast_active_q, &qe);
597                 bfa_q_qe_init(qe);
598                 list_add_tail(qe, &rxf->mcast_pending_add_q);
599                 mac = (struct bna_mac *)qe;
600                 if (bna_rxf_mcast_del(rxf, mac, cleanup))
601                         return 1;
602         }
603
604         return 0;
605 }
606
607 static int
608 bna_rxf_rss_cfg_apply(struct bna_rxf *rxf)
609 {
610         if (rxf->rss_pending) {
611                 if (rxf->rss_pending & BNA_RSS_F_RIT_PENDING) {
612                         rxf->rss_pending &= ~BNA_RSS_F_RIT_PENDING;
613                         bna_bfi_rit_cfg(rxf);
614                         return 1;
615                 }
616
617                 if (rxf->rss_pending & BNA_RSS_F_CFG_PENDING) {
618                         rxf->rss_pending &= ~BNA_RSS_F_CFG_PENDING;
619                         bna_bfi_rss_cfg(rxf);
620                         return 1;
621                 }
622
623                 if (rxf->rss_pending & BNA_RSS_F_STATUS_PENDING) {
624                         rxf->rss_pending &= ~BNA_RSS_F_STATUS_PENDING;
625                         bna_bfi_rss_enable(rxf);
626                         return 1;
627                 }
628         }
629
630         return 0;
631 }
632
633 static int
634 bna_rxf_cfg_apply(struct bna_rxf *rxf)
635 {
636         if (bna_rxf_ucast_cfg_apply(rxf))
637                 return 1;
638
639         if (bna_rxf_mcast_cfg_apply(rxf))
640                 return 1;
641
642         if (bna_rxf_promisc_cfg_apply(rxf))
643                 return 1;
644
645         if (bna_rxf_allmulti_cfg_apply(rxf))
646                 return 1;
647
648         if (bna_rxf_vlan_cfg_apply(rxf))
649                 return 1;
650
651         if (bna_rxf_vlan_strip_cfg_apply(rxf))
652                 return 1;
653
654         if (bna_rxf_rss_cfg_apply(rxf))
655                 return 1;
656
657         return 0;
658 }
659
660 /* Only software reset */
661 static int
662 bna_rxf_fltr_clear(struct bna_rxf *rxf)
663 {
664         if (bna_rxf_ucast_cfg_reset(rxf, BNA_HARD_CLEANUP))
665                 return 1;
666
667         if (bna_rxf_mcast_cfg_reset(rxf, BNA_HARD_CLEANUP))
668                 return 1;
669
670         if (bna_rxf_promisc_cfg_reset(rxf, BNA_HARD_CLEANUP))
671                 return 1;
672
673         if (bna_rxf_allmulti_cfg_reset(rxf, BNA_HARD_CLEANUP))
674                 return 1;
675
676         return 0;
677 }
678
679 static void
680 bna_rxf_cfg_reset(struct bna_rxf *rxf)
681 {
682         bna_rxf_ucast_cfg_reset(rxf, BNA_SOFT_CLEANUP);
683         bna_rxf_mcast_cfg_reset(rxf, BNA_SOFT_CLEANUP);
684         bna_rxf_promisc_cfg_reset(rxf, BNA_SOFT_CLEANUP);
685         bna_rxf_allmulti_cfg_reset(rxf, BNA_SOFT_CLEANUP);
686         bna_rxf_vlan_cfg_soft_reset(rxf);
687         bna_rxf_rss_cfg_soft_reset(rxf);
688 }
689
690 static void
691 bna_rit_init(struct bna_rxf *rxf, int rit_size)
692 {
693         struct bna_rx *rx = rxf->rx;
694         struct bna_rxp *rxp;
695         struct list_head *qe;
696         int offset = 0;
697
698         rxf->rit_size = rit_size;
699         list_for_each(qe, &rx->rxp_q) {
700                 rxp = (struct bna_rxp *)qe;
701                 rxf->rit[offset] = rxp->cq.ccb->id;
702                 offset++;
703         }
704
705 }
706
707 void
708 bna_bfi_rxf_cfg_rsp(struct bna_rxf *rxf, struct bfi_msgq_mhdr *msghdr)
709 {
710         bfa_fsm_send_event(rxf, RXF_E_FW_RESP);
711 }
712
713 void
714 bna_bfi_rxf_ucast_set_rsp(struct bna_rxf *rxf,
715                         struct bfi_msgq_mhdr *msghdr)
716 {
717         struct bfi_enet_rsp *rsp =
718                 (struct bfi_enet_rsp *)msghdr;
719
720         if (rsp->error) {
721                 /* Clear ucast from cache */
722                 rxf->ucast_active_set = 0;
723         }
724
725         bfa_fsm_send_event(rxf, RXF_E_FW_RESP);
726 }
727
728 void
729 bna_bfi_rxf_mcast_add_rsp(struct bna_rxf *rxf,
730                         struct bfi_msgq_mhdr *msghdr)
731 {
732         struct bfi_enet_mcast_add_req *req =
733                 &rxf->bfi_enet_cmd.mcast_add_req;
734         struct bfi_enet_mcast_add_rsp *rsp =
735                 (struct bfi_enet_mcast_add_rsp *)msghdr;
736
737         bna_rxf_mchandle_attach(rxf, (u8 *)&req->mac_addr,
738                 ntohs(rsp->handle));
739         bfa_fsm_send_event(rxf, RXF_E_FW_RESP);
740 }
741
742 static void
743 bna_rxf_init(struct bna_rxf *rxf,
744                 struct bna_rx *rx,
745                 struct bna_rx_config *q_config,
746                 struct bna_res_info *res_info)
747 {
748         rxf->rx = rx;
749
750         INIT_LIST_HEAD(&rxf->ucast_pending_add_q);
751         INIT_LIST_HEAD(&rxf->ucast_pending_del_q);
752         rxf->ucast_pending_set = 0;
753         rxf->ucast_active_set = 0;
754         INIT_LIST_HEAD(&rxf->ucast_active_q);
755         rxf->ucast_pending_mac = NULL;
756
757         INIT_LIST_HEAD(&rxf->mcast_pending_add_q);
758         INIT_LIST_HEAD(&rxf->mcast_pending_del_q);
759         INIT_LIST_HEAD(&rxf->mcast_active_q);
760         INIT_LIST_HEAD(&rxf->mcast_handle_q);
761
762         if (q_config->paused)
763                 rxf->flags |= BNA_RXF_F_PAUSED;
764
765         rxf->rit = (u8 *)
766                 res_info[BNA_RX_RES_MEM_T_RIT].res_u.mem_info.mdl[0].kva;
767         bna_rit_init(rxf, q_config->num_paths);
768
769         rxf->rss_status = q_config->rss_status;
770         if (rxf->rss_status == BNA_STATUS_T_ENABLED) {
771                 rxf->rss_cfg = q_config->rss_config;
772                 rxf->rss_pending |= BNA_RSS_F_CFG_PENDING;
773                 rxf->rss_pending |= BNA_RSS_F_RIT_PENDING;
774                 rxf->rss_pending |= BNA_RSS_F_STATUS_PENDING;
775         }
776
777         rxf->vlan_filter_status = BNA_STATUS_T_DISABLED;
778         memset(rxf->vlan_filter_table, 0,
779                         (sizeof(u32) * (BFI_ENET_VLAN_ID_MAX / 32)));
780         rxf->vlan_filter_table[0] |= 1; /* for pure priority tagged frames */
781         rxf->vlan_pending_bitmask = (u8)BFI_VLAN_BMASK_ALL;
782
783         rxf->vlan_strip_status = q_config->vlan_strip_status;
784
785         bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
786 }
787
788 static void
789 bna_rxf_uninit(struct bna_rxf *rxf)
790 {
791         struct bna_mac *mac;
792
793         rxf->ucast_pending_set = 0;
794         rxf->ucast_active_set = 0;
795
796         while (!list_empty(&rxf->ucast_pending_add_q)) {
797                 bfa_q_deq(&rxf->ucast_pending_add_q, &mac);
798                 bfa_q_qe_init(&mac->qe);
799                 bna_ucam_mod_mac_put(&rxf->rx->bna->ucam_mod, mac);
800         }
801
802         if (rxf->ucast_pending_mac) {
803                 bfa_q_qe_init(&rxf->ucast_pending_mac->qe);
804                 bna_ucam_mod_mac_put(&rxf->rx->bna->ucam_mod,
805                         rxf->ucast_pending_mac);
806                 rxf->ucast_pending_mac = NULL;
807         }
808
809         while (!list_empty(&rxf->mcast_pending_add_q)) {
810                 bfa_q_deq(&rxf->mcast_pending_add_q, &mac);
811                 bfa_q_qe_init(&mac->qe);
812                 bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac);
813         }
814
815         rxf->rxmode_pending = 0;
816         rxf->rxmode_pending_bitmask = 0;
817         if (rxf->rx->bna->promisc_rid == rxf->rx->rid)
818                 rxf->rx->bna->promisc_rid = BFI_INVALID_RID;
819         if (rxf->rx->bna->default_mode_rid == rxf->rx->rid)
820                 rxf->rx->bna->default_mode_rid = BFI_INVALID_RID;
821
822         rxf->rss_pending = 0;
823         rxf->vlan_strip_pending = false;
824
825         rxf->flags = 0;
826
827         rxf->rx = NULL;
828 }
829
830 static void
831 bna_rx_cb_rxf_started(struct bna_rx *rx)
832 {
833         bfa_fsm_send_event(rx, RX_E_RXF_STARTED);
834 }
835
836 static void
837 bna_rxf_start(struct bna_rxf *rxf)
838 {
839         rxf->start_cbfn = bna_rx_cb_rxf_started;
840         rxf->start_cbarg = rxf->rx;
841         bfa_fsm_send_event(rxf, RXF_E_START);
842 }
843
844 static void
845 bna_rx_cb_rxf_stopped(struct bna_rx *rx)
846 {
847         bfa_fsm_send_event(rx, RX_E_RXF_STOPPED);
848 }
849
850 static void
851 bna_rxf_stop(struct bna_rxf *rxf)
852 {
853         rxf->stop_cbfn = bna_rx_cb_rxf_stopped;
854         rxf->stop_cbarg = rxf->rx;
855         bfa_fsm_send_event(rxf, RXF_E_STOP);
856 }
857
858 static void
859 bna_rxf_fail(struct bna_rxf *rxf)
860 {
861         bfa_fsm_send_event(rxf, RXF_E_FAIL);
862 }
863
864 enum bna_cb_status
865 bna_rx_ucast_set(struct bna_rx *rx, u8 *ucmac,
866                  void (*cbfn)(struct bnad *, struct bna_rx *))
867 {
868         struct bna_rxf *rxf = &rx->rxf;
869
870         if (rxf->ucast_pending_mac == NULL) {
871                 rxf->ucast_pending_mac =
872                                 bna_ucam_mod_mac_get(&rxf->rx->bna->ucam_mod);
873                 if (rxf->ucast_pending_mac == NULL)
874                         return BNA_CB_UCAST_CAM_FULL;
875                 bfa_q_qe_init(&rxf->ucast_pending_mac->qe);
876         }
877
878         memcpy(rxf->ucast_pending_mac->addr, ucmac, ETH_ALEN);
879         rxf->ucast_pending_set = 1;
880         rxf->cam_fltr_cbfn = cbfn;
881         rxf->cam_fltr_cbarg = rx->bna->bnad;
882
883         bfa_fsm_send_event(rxf, RXF_E_CONFIG);
884
885         return BNA_CB_SUCCESS;
886 }
887
888 enum bna_cb_status
889 bna_rx_mcast_add(struct bna_rx *rx, u8 *addr,
890                  void (*cbfn)(struct bnad *, struct bna_rx *))
891 {
892         struct bna_rxf *rxf = &rx->rxf;
893         struct bna_mac *mac;
894
895         /* Check if already added or pending addition */
896         if (bna_mac_find(&rxf->mcast_active_q, addr) ||
897                 bna_mac_find(&rxf->mcast_pending_add_q, addr)) {
898                 if (cbfn)
899                         cbfn(rx->bna->bnad, rx);
900                 return BNA_CB_SUCCESS;
901         }
902
903         mac = bna_mcam_mod_mac_get(&rxf->rx->bna->mcam_mod);
904         if (mac == NULL)
905                 return BNA_CB_MCAST_LIST_FULL;
906         bfa_q_qe_init(&mac->qe);
907         memcpy(mac->addr, addr, ETH_ALEN);
908         list_add_tail(&mac->qe, &rxf->mcast_pending_add_q);
909
910         rxf->cam_fltr_cbfn = cbfn;
911         rxf->cam_fltr_cbarg = rx->bna->bnad;
912
913         bfa_fsm_send_event(rxf, RXF_E_CONFIG);
914
915         return BNA_CB_SUCCESS;
916 }
917
918 enum bna_cb_status
919 bna_rx_mcast_listset(struct bna_rx *rx, int count, u8 *mclist,
920                      void (*cbfn)(struct bnad *, struct bna_rx *))
921 {
922         struct bna_rxf *rxf = &rx->rxf;
923         struct list_head list_head;
924         struct list_head *qe;
925         u8 *mcaddr;
926         struct bna_mac *mac;
927         int i;
928
929         /* Allocate nodes */
930         INIT_LIST_HEAD(&list_head);
931         for (i = 0, mcaddr = mclist; i < count; i++) {
932                 mac = bna_mcam_mod_mac_get(&rxf->rx->bna->mcam_mod);
933                 if (mac == NULL)
934                         goto err_return;
935                 bfa_q_qe_init(&mac->qe);
936                 memcpy(mac->addr, mcaddr, ETH_ALEN);
937                 list_add_tail(&mac->qe, &list_head);
938
939                 mcaddr += ETH_ALEN;
940         }
941
942         /* Purge the pending_add_q */
943         while (!list_empty(&rxf->mcast_pending_add_q)) {
944                 bfa_q_deq(&rxf->mcast_pending_add_q, &qe);
945                 bfa_q_qe_init(qe);
946                 mac = (struct bna_mac *)qe;
947                 bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac);
948         }
949
950         /* Schedule active_q entries for deletion */
951         while (!list_empty(&rxf->mcast_active_q)) {
952                 bfa_q_deq(&rxf->mcast_active_q, &qe);
953                 mac = (struct bna_mac *)qe;
954                 bfa_q_qe_init(&mac->qe);
955                 list_add_tail(&mac->qe, &rxf->mcast_pending_del_q);
956         }
957
958         /* Add the new entries */
959         while (!list_empty(&list_head)) {
960                 bfa_q_deq(&list_head, &qe);
961                 mac = (struct bna_mac *)qe;
962                 bfa_q_qe_init(&mac->qe);
963                 list_add_tail(&mac->qe, &rxf->mcast_pending_add_q);
964         }
965
966         rxf->cam_fltr_cbfn = cbfn;
967         rxf->cam_fltr_cbarg = rx->bna->bnad;
968         bfa_fsm_send_event(rxf, RXF_E_CONFIG);
969
970         return BNA_CB_SUCCESS;
971
972 err_return:
973         while (!list_empty(&list_head)) {
974                 bfa_q_deq(&list_head, &qe);
975                 mac = (struct bna_mac *)qe;
976                 bfa_q_qe_init(&mac->qe);
977                 bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac);
978         }
979
980         return BNA_CB_MCAST_LIST_FULL;
981 }
982
983 void
984 bna_rx_vlan_add(struct bna_rx *rx, int vlan_id)
985 {
986         struct bna_rxf *rxf = &rx->rxf;
987         int index = (vlan_id >> BFI_VLAN_WORD_SHIFT);
988         int bit = (1 << (vlan_id & BFI_VLAN_WORD_MASK));
989         int group_id = (vlan_id >> BFI_VLAN_BLOCK_SHIFT);
990
991         rxf->vlan_filter_table[index] |= bit;
992         if (rxf->vlan_filter_status == BNA_STATUS_T_ENABLED) {
993                 rxf->vlan_pending_bitmask |= (1 << group_id);
994                 bfa_fsm_send_event(rxf, RXF_E_CONFIG);
995         }
996 }
997
998 void
999 bna_rx_vlan_del(struct bna_rx *rx, int vlan_id)
1000 {
1001         struct bna_rxf *rxf = &rx->rxf;
1002         int index = (vlan_id >> BFI_VLAN_WORD_SHIFT);
1003         int bit = (1 << (vlan_id & BFI_VLAN_WORD_MASK));
1004         int group_id = (vlan_id >> BFI_VLAN_BLOCK_SHIFT);
1005
1006         rxf->vlan_filter_table[index] &= ~bit;
1007         if (rxf->vlan_filter_status == BNA_STATUS_T_ENABLED) {
1008                 rxf->vlan_pending_bitmask |= (1 << group_id);
1009                 bfa_fsm_send_event(rxf, RXF_E_CONFIG);
1010         }
1011 }
1012
1013 static int
1014 bna_rxf_ucast_cfg_apply(struct bna_rxf *rxf)
1015 {
1016         struct bna_mac *mac = NULL;
1017         struct list_head *qe;
1018
1019         /* Delete MAC addresses previousely added */
1020         if (!list_empty(&rxf->ucast_pending_del_q)) {
1021                 bfa_q_deq(&rxf->ucast_pending_del_q, &qe);
1022                 bfa_q_qe_init(qe);
1023                 mac = (struct bna_mac *)qe;
1024                 bna_bfi_ucast_req(rxf, mac, BFI_ENET_H2I_MAC_UCAST_DEL_REQ);
1025                 bna_ucam_mod_mac_put(&rxf->rx->bna->ucam_mod, mac);
1026                 return 1;
1027         }
1028
1029         /* Set default unicast MAC */
1030         if (rxf->ucast_pending_set) {
1031                 rxf->ucast_pending_set = 0;
1032                 memcpy(rxf->ucast_active_mac.addr,
1033                         rxf->ucast_pending_mac->addr, ETH_ALEN);
1034                 rxf->ucast_active_set = 1;
1035                 bna_bfi_ucast_req(rxf, &rxf->ucast_active_mac,
1036                         BFI_ENET_H2I_MAC_UCAST_SET_REQ);
1037                 return 1;
1038         }
1039
1040         /* Add additional MAC entries */
1041         if (!list_empty(&rxf->ucast_pending_add_q)) {
1042                 bfa_q_deq(&rxf->ucast_pending_add_q, &qe);
1043                 bfa_q_qe_init(qe);
1044                 mac = (struct bna_mac *)qe;
1045                 list_add_tail(&mac->qe, &rxf->ucast_active_q);
1046                 bna_bfi_ucast_req(rxf, mac, BFI_ENET_H2I_MAC_UCAST_ADD_REQ);
1047                 return 1;
1048         }
1049
1050         return 0;
1051 }
1052
1053 static int
1054 bna_rxf_ucast_cfg_reset(struct bna_rxf *rxf, enum bna_cleanup_type cleanup)
1055 {
1056         struct list_head *qe;
1057         struct bna_mac *mac;
1058
1059         /* Throw away delete pending ucast entries */
1060         while (!list_empty(&rxf->ucast_pending_del_q)) {
1061                 bfa_q_deq(&rxf->ucast_pending_del_q, &qe);
1062                 bfa_q_qe_init(qe);
1063                 mac = (struct bna_mac *)qe;
1064                 if (cleanup == BNA_SOFT_CLEANUP)
1065                         bna_ucam_mod_mac_put(&rxf->rx->bna->ucam_mod, mac);
1066                 else {
1067                         bna_bfi_ucast_req(rxf, mac,
1068                                 BFI_ENET_H2I_MAC_UCAST_DEL_REQ);
1069                         bna_ucam_mod_mac_put(&rxf->rx->bna->ucam_mod, mac);
1070                         return 1;
1071                 }
1072         }
1073
1074         /* Move active ucast entries to pending_add_q */
1075         while (!list_empty(&rxf->ucast_active_q)) {
1076                 bfa_q_deq(&rxf->ucast_active_q, &qe);
1077                 bfa_q_qe_init(qe);
1078                 list_add_tail(qe, &rxf->ucast_pending_add_q);
1079                 if (cleanup == BNA_HARD_CLEANUP) {
1080                         mac = (struct bna_mac *)qe;
1081                         bna_bfi_ucast_req(rxf, mac,
1082                                 BFI_ENET_H2I_MAC_UCAST_DEL_REQ);
1083                         return 1;
1084                 }
1085         }
1086
1087         if (rxf->ucast_active_set) {
1088                 rxf->ucast_pending_set = 1;
1089                 rxf->ucast_active_set = 0;
1090                 if (cleanup == BNA_HARD_CLEANUP) {
1091                         bna_bfi_ucast_req(rxf, &rxf->ucast_active_mac,
1092                                 BFI_ENET_H2I_MAC_UCAST_CLR_REQ);
1093                         return 1;
1094                 }
1095         }
1096
1097         return 0;
1098 }
1099
1100 static int
1101 bna_rxf_promisc_cfg_apply(struct bna_rxf *rxf)
1102 {
1103         struct bna *bna = rxf->rx->bna;
1104
1105         /* Enable/disable promiscuous mode */
1106         if (is_promisc_enable(rxf->rxmode_pending,
1107                                 rxf->rxmode_pending_bitmask)) {
1108                 /* move promisc configuration from pending -> active */
1109                 promisc_inactive(rxf->rxmode_pending,
1110                                 rxf->rxmode_pending_bitmask);
1111                 rxf->rxmode_active |= BNA_RXMODE_PROMISC;
1112                 bna_bfi_rx_promisc_req(rxf, BNA_STATUS_T_ENABLED);
1113                 return 1;
1114         } else if (is_promisc_disable(rxf->rxmode_pending,
1115                                 rxf->rxmode_pending_bitmask)) {
1116                 /* move promisc configuration from pending -> active */
1117                 promisc_inactive(rxf->rxmode_pending,
1118                                 rxf->rxmode_pending_bitmask);
1119                 rxf->rxmode_active &= ~BNA_RXMODE_PROMISC;
1120                 bna->promisc_rid = BFI_INVALID_RID;
1121                 bna_bfi_rx_promisc_req(rxf, BNA_STATUS_T_DISABLED);
1122                 return 1;
1123         }
1124
1125         return 0;
1126 }
1127
1128 static int
1129 bna_rxf_promisc_cfg_reset(struct bna_rxf *rxf, enum bna_cleanup_type cleanup)
1130 {
1131         struct bna *bna = rxf->rx->bna;
1132
1133         /* Clear pending promisc mode disable */
1134         if (is_promisc_disable(rxf->rxmode_pending,
1135                                 rxf->rxmode_pending_bitmask)) {
1136                 promisc_inactive(rxf->rxmode_pending,
1137                                 rxf->rxmode_pending_bitmask);
1138                 rxf->rxmode_active &= ~BNA_RXMODE_PROMISC;
1139                 bna->promisc_rid = BFI_INVALID_RID;
1140                 if (cleanup == BNA_HARD_CLEANUP) {
1141                         bna_bfi_rx_promisc_req(rxf, BNA_STATUS_T_DISABLED);
1142                         return 1;
1143                 }
1144         }
1145
1146         /* Move promisc mode config from active -> pending */
1147         if (rxf->rxmode_active & BNA_RXMODE_PROMISC) {
1148                 promisc_enable(rxf->rxmode_pending,
1149                                 rxf->rxmode_pending_bitmask);
1150                 rxf->rxmode_active &= ~BNA_RXMODE_PROMISC;
1151                 if (cleanup == BNA_HARD_CLEANUP) {
1152                         bna_bfi_rx_promisc_req(rxf, BNA_STATUS_T_DISABLED);
1153                         return 1;
1154                 }
1155         }
1156
1157         return 0;
1158 }
1159
1160 static int
1161 bna_rxf_allmulti_cfg_apply(struct bna_rxf *rxf)
1162 {
1163         /* Enable/disable allmulti mode */
1164         if (is_allmulti_enable(rxf->rxmode_pending,
1165                                 rxf->rxmode_pending_bitmask)) {
1166                 /* move allmulti configuration from pending -> active */
1167                 allmulti_inactive(rxf->rxmode_pending,
1168                                 rxf->rxmode_pending_bitmask);
1169                 rxf->rxmode_active |= BNA_RXMODE_ALLMULTI;
1170                 bna_bfi_mcast_filter_req(rxf, BNA_STATUS_T_DISABLED);
1171                 return 1;
1172         } else if (is_allmulti_disable(rxf->rxmode_pending,
1173                                         rxf->rxmode_pending_bitmask)) {
1174                 /* move allmulti configuration from pending -> active */
1175                 allmulti_inactive(rxf->rxmode_pending,
1176                                 rxf->rxmode_pending_bitmask);
1177                 rxf->rxmode_active &= ~BNA_RXMODE_ALLMULTI;
1178                 bna_bfi_mcast_filter_req(rxf, BNA_STATUS_T_ENABLED);
1179                 return 1;
1180         }
1181
1182         return 0;
1183 }
1184
1185 static int
1186 bna_rxf_allmulti_cfg_reset(struct bna_rxf *rxf, enum bna_cleanup_type cleanup)
1187 {
1188         /* Clear pending allmulti mode disable */
1189         if (is_allmulti_disable(rxf->rxmode_pending,
1190                                 rxf->rxmode_pending_bitmask)) {
1191                 allmulti_inactive(rxf->rxmode_pending,
1192                                 rxf->rxmode_pending_bitmask);
1193                 rxf->rxmode_active &= ~BNA_RXMODE_ALLMULTI;
1194                 if (cleanup == BNA_HARD_CLEANUP) {
1195                         bna_bfi_mcast_filter_req(rxf, BNA_STATUS_T_ENABLED);
1196                         return 1;
1197                 }
1198         }
1199
1200         /* Move allmulti mode config from active -> pending */
1201         if (rxf->rxmode_active & BNA_RXMODE_ALLMULTI) {
1202                 allmulti_enable(rxf->rxmode_pending,
1203                                 rxf->rxmode_pending_bitmask);
1204                 rxf->rxmode_active &= ~BNA_RXMODE_ALLMULTI;
1205                 if (cleanup == BNA_HARD_CLEANUP) {
1206                         bna_bfi_mcast_filter_req(rxf, BNA_STATUS_T_ENABLED);
1207                         return 1;
1208                 }
1209         }
1210
1211         return 0;
1212 }
1213
1214 static int
1215 bna_rxf_promisc_enable(struct bna_rxf *rxf)
1216 {
1217         struct bna *bna = rxf->rx->bna;
1218         int ret = 0;
1219
1220         if (is_promisc_enable(rxf->rxmode_pending,
1221                                 rxf->rxmode_pending_bitmask) ||
1222                 (rxf->rxmode_active & BNA_RXMODE_PROMISC)) {
1223                 /* Do nothing if pending enable or already enabled */
1224         } else if (is_promisc_disable(rxf->rxmode_pending,
1225                                         rxf->rxmode_pending_bitmask)) {
1226                 /* Turn off pending disable command */
1227                 promisc_inactive(rxf->rxmode_pending,
1228                         rxf->rxmode_pending_bitmask);
1229         } else {
1230                 /* Schedule enable */
1231                 promisc_enable(rxf->rxmode_pending,
1232                                 rxf->rxmode_pending_bitmask);
1233                 bna->promisc_rid = rxf->rx->rid;
1234                 ret = 1;
1235         }
1236
1237         return ret;
1238 }
1239
1240 static int
1241 bna_rxf_promisc_disable(struct bna_rxf *rxf)
1242 {
1243         struct bna *bna = rxf->rx->bna;
1244         int ret = 0;
1245
1246         if (is_promisc_disable(rxf->rxmode_pending,
1247                                 rxf->rxmode_pending_bitmask) ||
1248                 (!(rxf->rxmode_active & BNA_RXMODE_PROMISC))) {
1249                 /* Do nothing if pending disable or already disabled */
1250         } else if (is_promisc_enable(rxf->rxmode_pending,
1251                                         rxf->rxmode_pending_bitmask)) {
1252                 /* Turn off pending enable command */
1253                 promisc_inactive(rxf->rxmode_pending,
1254                                 rxf->rxmode_pending_bitmask);
1255                 bna->promisc_rid = BFI_INVALID_RID;
1256         } else if (rxf->rxmode_active & BNA_RXMODE_PROMISC) {
1257                 /* Schedule disable */
1258                 promisc_disable(rxf->rxmode_pending,
1259                                 rxf->rxmode_pending_bitmask);
1260                 ret = 1;
1261         }
1262
1263         return ret;
1264 }
1265
1266 static int
1267 bna_rxf_allmulti_enable(struct bna_rxf *rxf)
1268 {
1269         int ret = 0;
1270
1271         if (is_allmulti_enable(rxf->rxmode_pending,
1272                         rxf->rxmode_pending_bitmask) ||
1273                         (rxf->rxmode_active & BNA_RXMODE_ALLMULTI)) {
1274                 /* Do nothing if pending enable or already enabled */
1275         } else if (is_allmulti_disable(rxf->rxmode_pending,
1276                                         rxf->rxmode_pending_bitmask)) {
1277                 /* Turn off pending disable command */
1278                 allmulti_inactive(rxf->rxmode_pending,
1279                         rxf->rxmode_pending_bitmask);
1280         } else {
1281                 /* Schedule enable */
1282                 allmulti_enable(rxf->rxmode_pending,
1283                                 rxf->rxmode_pending_bitmask);
1284                 ret = 1;
1285         }
1286
1287         return ret;
1288 }
1289
1290 static int
1291 bna_rxf_allmulti_disable(struct bna_rxf *rxf)
1292 {
1293         int ret = 0;
1294
1295         if (is_allmulti_disable(rxf->rxmode_pending,
1296                                 rxf->rxmode_pending_bitmask) ||
1297                 (!(rxf->rxmode_active & BNA_RXMODE_ALLMULTI))) {
1298                 /* Do nothing if pending disable or already disabled */
1299         } else if (is_allmulti_enable(rxf->rxmode_pending,
1300                                         rxf->rxmode_pending_bitmask)) {
1301                 /* Turn off pending enable command */
1302                 allmulti_inactive(rxf->rxmode_pending,
1303                                 rxf->rxmode_pending_bitmask);
1304         } else if (rxf->rxmode_active & BNA_RXMODE_ALLMULTI) {
1305                 /* Schedule disable */
1306                 allmulti_disable(rxf->rxmode_pending,
1307                                 rxf->rxmode_pending_bitmask);
1308                 ret = 1;
1309         }
1310
1311         return ret;
1312 }
1313
1314 static int
1315 bna_rxf_vlan_strip_cfg_apply(struct bna_rxf *rxf)
1316 {
1317         if (rxf->vlan_strip_pending) {
1318                         rxf->vlan_strip_pending = false;
1319                         bna_bfi_vlan_strip_enable(rxf);
1320                         return 1;
1321         }
1322
1323         return 0;
1324 }
1325
1326 /* RX */
1327
1328 #define BNA_GET_RXQS(qcfg)      (((qcfg)->rxp_type == BNA_RXP_SINGLE) ? \
1329         (qcfg)->num_paths : ((qcfg)->num_paths * 2))
1330
1331 #define SIZE_TO_PAGES(size)     (((size) >> PAGE_SHIFT) + ((((size) &\
1332         (PAGE_SIZE - 1)) + (PAGE_SIZE - 1)) >> PAGE_SHIFT))
1333
1334 #define call_rx_stop_cbfn(rx)                                           \
1335 do {                                                                \
1336         if ((rx)->stop_cbfn) {                                          \
1337                 void (*cbfn)(void *, struct bna_rx *);    \
1338                 void *cbarg;                                        \
1339                 cbfn = (rx)->stop_cbfn;                          \
1340                 cbarg = (rx)->stop_cbarg;                              \
1341                 (rx)->stop_cbfn = NULL;                                 \
1342                 (rx)->stop_cbarg = NULL;                                \
1343                 cbfn(cbarg, rx);                                        \
1344         }                                                              \
1345 } while (0)
1346
1347 #define call_rx_stall_cbfn(rx)                                          \
1348 do {                                                                    \
1349         if ((rx)->rx_stall_cbfn)                                        \
1350                 (rx)->rx_stall_cbfn((rx)->bna->bnad, (rx));             \
1351 } while (0)
1352
1353 #define bfi_enet_datapath_q_init(bfi_q, bna_qpt)                        \
1354 do {                                                                    \
1355         struct bna_dma_addr cur_q_addr =                                \
1356                 *((struct bna_dma_addr *)((bna_qpt)->kv_qpt_ptr));      \
1357         (bfi_q)->pg_tbl.a32.addr_lo = (bna_qpt)->hw_qpt_ptr.lsb;        \
1358         (bfi_q)->pg_tbl.a32.addr_hi = (bna_qpt)->hw_qpt_ptr.msb;        \
1359         (bfi_q)->first_entry.a32.addr_lo = cur_q_addr.lsb;              \
1360         (bfi_q)->first_entry.a32.addr_hi = cur_q_addr.msb;              \
1361         (bfi_q)->pages = htons((u16)(bna_qpt)->page_count);     \
1362         (bfi_q)->page_sz = htons((u16)(bna_qpt)->page_size);\
1363 } while (0)
1364
1365 static void bna_bfi_rx_enet_start(struct bna_rx *rx);
1366 static void bna_rx_enet_stop(struct bna_rx *rx);
1367 static void bna_rx_mod_cb_rx_stopped(void *arg, struct bna_rx *rx);
1368
1369 bfa_fsm_state_decl(bna_rx, stopped,
1370         struct bna_rx, enum bna_rx_event);
1371 bfa_fsm_state_decl(bna_rx, start_wait,
1372         struct bna_rx, enum bna_rx_event);
1373 bfa_fsm_state_decl(bna_rx, start_stop_wait,
1374         struct bna_rx, enum bna_rx_event);
1375 bfa_fsm_state_decl(bna_rx, rxf_start_wait,
1376         struct bna_rx, enum bna_rx_event);
1377 bfa_fsm_state_decl(bna_rx, started,
1378         struct bna_rx, enum bna_rx_event);
1379 bfa_fsm_state_decl(bna_rx, rxf_stop_wait,
1380         struct bna_rx, enum bna_rx_event);
1381 bfa_fsm_state_decl(bna_rx, stop_wait,
1382         struct bna_rx, enum bna_rx_event);
1383 bfa_fsm_state_decl(bna_rx, cleanup_wait,
1384         struct bna_rx, enum bna_rx_event);
1385 bfa_fsm_state_decl(bna_rx, failed,
1386         struct bna_rx, enum bna_rx_event);
1387 bfa_fsm_state_decl(bna_rx, quiesce_wait,
1388         struct bna_rx, enum bna_rx_event);
1389
1390 static void bna_rx_sm_stopped_entry(struct bna_rx *rx)
1391 {
1392         call_rx_stop_cbfn(rx);
1393 }
1394
1395 static void bna_rx_sm_stopped(struct bna_rx *rx,
1396                                 enum bna_rx_event event)
1397 {
1398         switch (event) {
1399         case RX_E_START:
1400                 bfa_fsm_set_state(rx, bna_rx_sm_start_wait);
1401                 break;
1402
1403         case RX_E_STOP:
1404                 call_rx_stop_cbfn(rx);
1405                 break;
1406
1407         case RX_E_FAIL:
1408                 /* no-op */
1409                 break;
1410
1411         default:
1412                 bfa_sm_fault(event);
1413                 break;
1414         }
1415 }
1416
1417 static void bna_rx_sm_start_wait_entry(struct bna_rx *rx)
1418 {
1419         bna_bfi_rx_enet_start(rx);
1420 }
1421
1422 static void
1423 bna_rx_sm_stop_wait_entry(struct bna_rx *rx)
1424 {
1425 }
1426
1427 static void
1428 bna_rx_sm_stop_wait(struct bna_rx *rx, enum bna_rx_event event)
1429 {
1430         switch (event) {
1431         case RX_E_FAIL:
1432         case RX_E_STOPPED:
1433                 bfa_fsm_set_state(rx, bna_rx_sm_cleanup_wait);
1434                 rx->rx_cleanup_cbfn(rx->bna->bnad, rx);
1435                 break;
1436
1437         case RX_E_STARTED:
1438                 bna_rx_enet_stop(rx);
1439                 break;
1440
1441         default:
1442                 bfa_sm_fault(event);
1443                 break;
1444         }
1445 }
1446
1447 static void bna_rx_sm_start_wait(struct bna_rx *rx,
1448                                 enum bna_rx_event event)
1449 {
1450         switch (event) {
1451         case RX_E_STOP:
1452                 bfa_fsm_set_state(rx, bna_rx_sm_start_stop_wait);
1453                 break;
1454
1455         case RX_E_FAIL:
1456                 bfa_fsm_set_state(rx, bna_rx_sm_stopped);
1457                 break;
1458
1459         case RX_E_STARTED:
1460                 bfa_fsm_set_state(rx, bna_rx_sm_rxf_start_wait);
1461                 break;
1462
1463         default:
1464                 bfa_sm_fault(event);
1465                 break;
1466         }
1467 }
1468
1469 static void bna_rx_sm_rxf_start_wait_entry(struct bna_rx *rx)
1470 {
1471         rx->rx_post_cbfn(rx->bna->bnad, rx);
1472         bna_rxf_start(&rx->rxf);
1473 }
1474
1475 static void
1476 bna_rx_sm_rxf_stop_wait_entry(struct bna_rx *rx)
1477 {
1478 }
1479
1480 static void
1481 bna_rx_sm_rxf_stop_wait(struct bna_rx *rx, enum bna_rx_event event)
1482 {
1483         switch (event) {
1484         case RX_E_FAIL:
1485                 bfa_fsm_set_state(rx, bna_rx_sm_cleanup_wait);
1486                 bna_rxf_fail(&rx->rxf);
1487                 call_rx_stall_cbfn(rx);
1488                 rx->rx_cleanup_cbfn(rx->bna->bnad, rx);
1489                 break;
1490
1491         case RX_E_RXF_STARTED:
1492                 bna_rxf_stop(&rx->rxf);
1493                 break;
1494
1495         case RX_E_RXF_STOPPED:
1496                 bfa_fsm_set_state(rx, bna_rx_sm_stop_wait);
1497                 call_rx_stall_cbfn(rx);
1498                 bna_rx_enet_stop(rx);
1499                 break;
1500
1501         default:
1502                 bfa_sm_fault(event);
1503                 break;
1504         }
1505
1506 }
1507
1508 static void
1509 bna_rx_sm_start_stop_wait_entry(struct bna_rx *rx)
1510 {
1511 }
1512
1513 static void
1514 bna_rx_sm_start_stop_wait(struct bna_rx *rx, enum bna_rx_event event)
1515 {
1516         switch (event) {
1517         case RX_E_FAIL:
1518         case RX_E_STOPPED:
1519                 bfa_fsm_set_state(rx, bna_rx_sm_stopped);
1520                 break;
1521
1522         case RX_E_STARTED:
1523                 bna_rx_enet_stop(rx);
1524                 break;
1525
1526         default:
1527                 bfa_sm_fault(event);
1528         }
1529 }
1530
1531 static void
1532 bna_rx_sm_started_entry(struct bna_rx *rx)
1533 {
1534         struct bna_rxp *rxp;
1535         struct list_head *qe_rxp;
1536         int is_regular = (rx->type == BNA_RX_T_REGULAR);
1537
1538         /* Start IB */
1539         list_for_each(qe_rxp, &rx->rxp_q) {
1540                 rxp = (struct bna_rxp *)qe_rxp;
1541                 bna_ib_start(rx->bna, &rxp->cq.ib, is_regular);
1542         }
1543
1544         bna_ethport_cb_rx_started(&rx->bna->ethport);
1545 }
1546
1547 static void
1548 bna_rx_sm_started(struct bna_rx *rx, enum bna_rx_event event)
1549 {
1550         switch (event) {
1551         case RX_E_STOP:
1552                 bfa_fsm_set_state(rx, bna_rx_sm_rxf_stop_wait);
1553                 bna_ethport_cb_rx_stopped(&rx->bna->ethport);
1554                 bna_rxf_stop(&rx->rxf);
1555                 break;
1556
1557         case RX_E_FAIL:
1558                 bfa_fsm_set_state(rx, bna_rx_sm_failed);
1559                 bna_ethport_cb_rx_stopped(&rx->bna->ethport);
1560                 bna_rxf_fail(&rx->rxf);
1561                 call_rx_stall_cbfn(rx);
1562                 rx->rx_cleanup_cbfn(rx->bna->bnad, rx);
1563                 break;
1564
1565         default:
1566                 bfa_sm_fault(event);
1567                 break;
1568         }
1569 }
1570
1571 static void bna_rx_sm_rxf_start_wait(struct bna_rx *rx,
1572                                 enum bna_rx_event event)
1573 {
1574         switch (event) {
1575         case RX_E_STOP:
1576                 bfa_fsm_set_state(rx, bna_rx_sm_rxf_stop_wait);
1577                 break;
1578
1579         case RX_E_FAIL:
1580                 bfa_fsm_set_state(rx, bna_rx_sm_failed);
1581                 bna_rxf_fail(&rx->rxf);
1582                 call_rx_stall_cbfn(rx);
1583                 rx->rx_cleanup_cbfn(rx->bna->bnad, rx);
1584                 break;
1585
1586         case RX_E_RXF_STARTED:
1587                 bfa_fsm_set_state(rx, bna_rx_sm_started);
1588                 break;
1589
1590         default:
1591                 bfa_sm_fault(event);
1592                 break;
1593         }
1594 }
1595
1596 static void
1597 bna_rx_sm_cleanup_wait_entry(struct bna_rx *rx)
1598 {
1599 }
1600
1601 static void
1602 bna_rx_sm_cleanup_wait(struct bna_rx *rx, enum bna_rx_event event)
1603 {
1604         switch (event) {
1605         case RX_E_FAIL:
1606         case RX_E_RXF_STOPPED:
1607                 /* No-op */
1608                 break;
1609
1610         case RX_E_CLEANUP_DONE:
1611                 bfa_fsm_set_state(rx, bna_rx_sm_stopped);
1612                 break;
1613
1614         default:
1615                 bfa_sm_fault(event);
1616                 break;
1617         }
1618 }
1619
1620 static void
1621 bna_rx_sm_failed_entry(struct bna_rx *rx)
1622 {
1623 }
1624
1625 static void
1626 bna_rx_sm_failed(struct bna_rx *rx, enum bna_rx_event event)
1627 {
1628         switch (event) {
1629         case RX_E_START:
1630                 bfa_fsm_set_state(rx, bna_rx_sm_quiesce_wait);
1631                 break;
1632
1633         case RX_E_STOP:
1634                 bfa_fsm_set_state(rx, bna_rx_sm_cleanup_wait);
1635                 break;
1636
1637         case RX_E_FAIL:
1638         case RX_E_RXF_STARTED:
1639         case RX_E_RXF_STOPPED:
1640                 /* No-op */
1641                 break;
1642
1643         case RX_E_CLEANUP_DONE:
1644                 bfa_fsm_set_state(rx, bna_rx_sm_stopped);
1645                 break;
1646
1647         default:
1648                 bfa_sm_fault(event);
1649                 break;
1650 }       }
1651
1652 static void
1653 bna_rx_sm_quiesce_wait_entry(struct bna_rx *rx)
1654 {
1655 }
1656
1657 static void
1658 bna_rx_sm_quiesce_wait(struct bna_rx *rx, enum bna_rx_event event)
1659 {
1660         switch (event) {
1661         case RX_E_STOP:
1662                 bfa_fsm_set_state(rx, bna_rx_sm_cleanup_wait);
1663                 break;
1664
1665         case RX_E_FAIL:
1666                 bfa_fsm_set_state(rx, bna_rx_sm_failed);
1667                 break;
1668
1669         case RX_E_CLEANUP_DONE:
1670                 bfa_fsm_set_state(rx, bna_rx_sm_start_wait);
1671                 break;
1672
1673         default:
1674                 bfa_sm_fault(event);
1675                 break;
1676         }
1677 }
1678
1679 static void
1680 bna_bfi_rx_enet_start(struct bna_rx *rx)
1681 {
1682         struct bfi_enet_rx_cfg_req *cfg_req = &rx->bfi_enet_cmd.cfg_req;
1683         struct bna_rxp *rxp = NULL;
1684         struct bna_rxq *q0 = NULL, *q1 = NULL;
1685         struct list_head *rxp_qe;
1686         int i;
1687
1688         bfi_msgq_mhdr_set(cfg_req->mh, BFI_MC_ENET,
1689                 BFI_ENET_H2I_RX_CFG_SET_REQ, 0, rx->rid);
1690         cfg_req->mh.num_entries = htons(
1691                 bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_rx_cfg_req)));
1692
1693         cfg_req->num_queue_sets = rx->num_paths;
1694         for (i = 0, rxp_qe = bfa_q_first(&rx->rxp_q);
1695                 i < rx->num_paths;
1696                 i++, rxp_qe = bfa_q_next(rxp_qe)) {
1697                 rxp = (struct bna_rxp *)rxp_qe;
1698
1699                 GET_RXQS(rxp, q0, q1);
1700                 switch (rxp->type) {
1701                 case BNA_RXP_SLR:
1702                 case BNA_RXP_HDS:
1703                         /* Small RxQ */
1704                         bfi_enet_datapath_q_init(&cfg_req->q_cfg[i].qs.q,
1705                                                 &q1->qpt);
1706                         cfg_req->q_cfg[i].qs.rx_buffer_size =
1707                                 htons((u16)q1->buffer_size);
1708                         /* Fall through */
1709
1710                 case BNA_RXP_SINGLE:
1711                         /* Large/Single RxQ */
1712                         bfi_enet_datapath_q_init(&cfg_req->q_cfg[i].ql.q,
1713                                                 &q0->qpt);
1714                         q0->buffer_size =
1715                                 bna_enet_mtu_get(&rx->bna->enet);
1716                         cfg_req->q_cfg[i].ql.rx_buffer_size =
1717                                 htons((u16)q0->buffer_size);
1718                         break;
1719
1720                 default:
1721                         BUG_ON(1);
1722                 }
1723
1724                 bfi_enet_datapath_q_init(&cfg_req->q_cfg[i].cq.q,
1725                                         &rxp->cq.qpt);
1726
1727                 cfg_req->q_cfg[i].ib.index_addr.a32.addr_lo =
1728                         rxp->cq.ib.ib_seg_host_addr.lsb;
1729                 cfg_req->q_cfg[i].ib.index_addr.a32.addr_hi =
1730                         rxp->cq.ib.ib_seg_host_addr.msb;
1731                 cfg_req->q_cfg[i].ib.intr.msix_index =
1732                         htons((u16)rxp->cq.ib.intr_vector);
1733         }
1734
1735         cfg_req->ib_cfg.int_pkt_dma = BNA_STATUS_T_DISABLED;
1736         cfg_req->ib_cfg.int_enabled = BNA_STATUS_T_ENABLED;
1737         cfg_req->ib_cfg.int_pkt_enabled = BNA_STATUS_T_DISABLED;
1738         cfg_req->ib_cfg.continuous_coalescing = BNA_STATUS_T_DISABLED;
1739         cfg_req->ib_cfg.msix = (rxp->cq.ib.intr_type == BNA_INTR_T_MSIX)
1740                                 ? BNA_STATUS_T_ENABLED :
1741                                 BNA_STATUS_T_DISABLED;
1742         cfg_req->ib_cfg.coalescing_timeout =
1743                         htonl((u32)rxp->cq.ib.coalescing_timeo);
1744         cfg_req->ib_cfg.inter_pkt_timeout =
1745                         htonl((u32)rxp->cq.ib.interpkt_timeo);
1746         cfg_req->ib_cfg.inter_pkt_count = (u8)rxp->cq.ib.interpkt_count;
1747
1748         switch (rxp->type) {
1749         case BNA_RXP_SLR:
1750                 cfg_req->rx_cfg.rxq_type = BFI_ENET_RXQ_LARGE_SMALL;
1751                 break;
1752
1753         case BNA_RXP_HDS:
1754                 cfg_req->rx_cfg.rxq_type = BFI_ENET_RXQ_HDS;
1755                 cfg_req->rx_cfg.hds.type = rx->hds_cfg.hdr_type;
1756                 cfg_req->rx_cfg.hds.force_offset = rx->hds_cfg.forced_offset;
1757                 cfg_req->rx_cfg.hds.max_header_size = rx->hds_cfg.forced_offset;
1758                 break;
1759
1760         case BNA_RXP_SINGLE:
1761                 cfg_req->rx_cfg.rxq_type = BFI_ENET_RXQ_SINGLE;
1762                 break;
1763
1764         default:
1765                 BUG_ON(1);
1766         }
1767         cfg_req->rx_cfg.strip_vlan = rx->rxf.vlan_strip_status;
1768
1769         bfa_msgq_cmd_set(&rx->msgq_cmd, NULL, NULL,
1770                 sizeof(struct bfi_enet_rx_cfg_req), &cfg_req->mh);
1771         bfa_msgq_cmd_post(&rx->bna->msgq, &rx->msgq_cmd);
1772 }
1773
1774 static void
1775 bna_bfi_rx_enet_stop(struct bna_rx *rx)
1776 {
1777         struct bfi_enet_req *req = &rx->bfi_enet_cmd.req;
1778
1779         bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
1780                 BFI_ENET_H2I_RX_CFG_CLR_REQ, 0, rx->rid);
1781         req->mh.num_entries = htons(
1782                 bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_req)));
1783         bfa_msgq_cmd_set(&rx->msgq_cmd, NULL, NULL, sizeof(struct bfi_enet_req),
1784                 &req->mh);
1785         bfa_msgq_cmd_post(&rx->bna->msgq, &rx->msgq_cmd);
1786 }
1787
1788 static void
1789 bna_rx_enet_stop(struct bna_rx *rx)
1790 {
1791         struct bna_rxp *rxp;
1792         struct list_head                 *qe_rxp;
1793
1794         /* Stop IB */
1795         list_for_each(qe_rxp, &rx->rxp_q) {
1796                 rxp = (struct bna_rxp *)qe_rxp;
1797                 bna_ib_stop(rx->bna, &rxp->cq.ib);
1798         }
1799
1800         bna_bfi_rx_enet_stop(rx);
1801 }
1802
1803 static int
1804 bna_rx_res_check(struct bna_rx_mod *rx_mod, struct bna_rx_config *rx_cfg)
1805 {
1806         if ((rx_mod->rx_free_count == 0) ||
1807                 (rx_mod->rxp_free_count == 0) ||
1808                 (rx_mod->rxq_free_count == 0))
1809                 return 0;
1810
1811         if (rx_cfg->rxp_type == BNA_RXP_SINGLE) {
1812                 if ((rx_mod->rxp_free_count < rx_cfg->num_paths) ||
1813                         (rx_mod->rxq_free_count < rx_cfg->num_paths))
1814                                 return 0;
1815         } else {
1816                 if ((rx_mod->rxp_free_count < rx_cfg->num_paths) ||
1817                         (rx_mod->rxq_free_count < (2 * rx_cfg->num_paths)))
1818                         return 0;
1819         }
1820
1821         return 1;
1822 }
1823
1824 static struct bna_rxq *
1825 bna_rxq_get(struct bna_rx_mod *rx_mod)
1826 {
1827         struct bna_rxq *rxq = NULL;
1828         struct list_head        *qe = NULL;
1829
1830         bfa_q_deq(&rx_mod->rxq_free_q, &qe);
1831         rx_mod->rxq_free_count--;
1832         rxq = (struct bna_rxq *)qe;
1833         bfa_q_qe_init(&rxq->qe);
1834
1835         return rxq;
1836 }
1837
1838 static void
1839 bna_rxq_put(struct bna_rx_mod *rx_mod, struct bna_rxq *rxq)
1840 {
1841         bfa_q_qe_init(&rxq->qe);
1842         list_add_tail(&rxq->qe, &rx_mod->rxq_free_q);
1843         rx_mod->rxq_free_count++;
1844 }
1845
1846 static struct bna_rxp *
1847 bna_rxp_get(struct bna_rx_mod *rx_mod)
1848 {
1849         struct list_head        *qe = NULL;
1850         struct bna_rxp *rxp = NULL;
1851
1852         bfa_q_deq(&rx_mod->rxp_free_q, &qe);
1853         rx_mod->rxp_free_count--;
1854         rxp = (struct bna_rxp *)qe;
1855         bfa_q_qe_init(&rxp->qe);
1856
1857         return rxp;
1858 }
1859
1860 static void
1861 bna_rxp_put(struct bna_rx_mod *rx_mod, struct bna_rxp *rxp)
1862 {
1863         bfa_q_qe_init(&rxp->qe);
1864         list_add_tail(&rxp->qe, &rx_mod->rxp_free_q);
1865         rx_mod->rxp_free_count++;
1866 }
1867
1868 static struct bna_rx *
1869 bna_rx_get(struct bna_rx_mod *rx_mod, enum bna_rx_type type)
1870 {
1871         struct list_head        *qe = NULL;
1872         struct bna_rx *rx = NULL;
1873
1874         if (type == BNA_RX_T_REGULAR) {
1875                 bfa_q_deq(&rx_mod->rx_free_q, &qe);
1876         } else
1877                 bfa_q_deq_tail(&rx_mod->rx_free_q, &qe);
1878
1879         rx_mod->rx_free_count--;
1880         rx = (struct bna_rx *)qe;
1881         bfa_q_qe_init(&rx->qe);
1882         list_add_tail(&rx->qe, &rx_mod->rx_active_q);
1883         rx->type = type;
1884
1885         return rx;
1886 }
1887
1888 static void
1889 bna_rx_put(struct bna_rx_mod *rx_mod, struct bna_rx *rx)
1890 {
1891         struct list_head *prev_qe = NULL;
1892         struct list_head *qe;
1893
1894         bfa_q_qe_init(&rx->qe);
1895
1896         list_for_each(qe, &rx_mod->rx_free_q) {
1897                 if (((struct bna_rx *)qe)->rid < rx->rid)
1898                         prev_qe = qe;
1899                 else
1900                         break;
1901         }
1902
1903         if (prev_qe == NULL) {
1904                 /* This is the first entry */
1905                 bfa_q_enq_head(&rx_mod->rx_free_q, &rx->qe);
1906         } else if (bfa_q_next(prev_qe) == &rx_mod->rx_free_q) {
1907                 /* This is the last entry */
1908                 list_add_tail(&rx->qe, &rx_mod->rx_free_q);
1909         } else {
1910                 /* Somewhere in the middle */
1911                 bfa_q_next(&rx->qe) = bfa_q_next(prev_qe);
1912                 bfa_q_prev(&rx->qe) = prev_qe;
1913                 bfa_q_next(prev_qe) = &rx->qe;
1914                 bfa_q_prev(bfa_q_next(&rx->qe)) = &rx->qe;
1915         }
1916
1917         rx_mod->rx_free_count++;
1918 }
1919
1920 static void
1921 bna_rxp_add_rxqs(struct bna_rxp *rxp, struct bna_rxq *q0,
1922                 struct bna_rxq *q1)
1923 {
1924         switch (rxp->type) {
1925         case BNA_RXP_SINGLE:
1926                 rxp->rxq.single.only = q0;
1927                 rxp->rxq.single.reserved = NULL;
1928                 break;
1929         case BNA_RXP_SLR:
1930                 rxp->rxq.slr.large = q0;
1931                 rxp->rxq.slr.small = q1;
1932                 break;
1933         case BNA_RXP_HDS:
1934                 rxp->rxq.hds.data = q0;
1935                 rxp->rxq.hds.hdr = q1;
1936                 break;
1937         default:
1938                 break;
1939         }
1940 }
1941
1942 static void
1943 bna_rxq_qpt_setup(struct bna_rxq *rxq,
1944                 struct bna_rxp *rxp,
1945                 u32 page_count,
1946                 u32 page_size,
1947                 struct bna_mem_descr *qpt_mem,
1948                 struct bna_mem_descr *swqpt_mem,
1949                 struct bna_mem_descr *page_mem)
1950 {
1951         u8 *kva;
1952         u64 dma;
1953         struct bna_dma_addr bna_dma;
1954         int     i;
1955
1956         rxq->qpt.hw_qpt_ptr.lsb = qpt_mem->dma.lsb;
1957         rxq->qpt.hw_qpt_ptr.msb = qpt_mem->dma.msb;
1958         rxq->qpt.kv_qpt_ptr = qpt_mem->kva;
1959         rxq->qpt.page_count = page_count;
1960         rxq->qpt.page_size = page_size;
1961
1962         rxq->rcb->sw_qpt = (void **) swqpt_mem->kva;
1963         rxq->rcb->sw_q = page_mem->kva;
1964
1965         kva = page_mem->kva;
1966         BNA_GET_DMA_ADDR(&page_mem->dma, dma);
1967
1968         for (i = 0; i < rxq->qpt.page_count; i++) {
1969                 rxq->rcb->sw_qpt[i] = kva;
1970                 kva += PAGE_SIZE;
1971
1972                 BNA_SET_DMA_ADDR(dma, &bna_dma);
1973                 ((struct bna_dma_addr *)rxq->qpt.kv_qpt_ptr)[i].lsb =
1974                         bna_dma.lsb;
1975                 ((struct bna_dma_addr *)rxq->qpt.kv_qpt_ptr)[i].msb =
1976                         bna_dma.msb;
1977                 dma += PAGE_SIZE;
1978         }
1979 }
1980
1981 static void
1982 bna_rxp_cqpt_setup(struct bna_rxp *rxp,
1983                 u32 page_count,
1984                 u32 page_size,
1985                 struct bna_mem_descr *qpt_mem,
1986                 struct bna_mem_descr *swqpt_mem,
1987                 struct bna_mem_descr *page_mem)
1988 {
1989         u8 *kva;
1990         u64 dma;
1991         struct bna_dma_addr bna_dma;
1992         int     i;
1993
1994         rxp->cq.qpt.hw_qpt_ptr.lsb = qpt_mem->dma.lsb;
1995         rxp->cq.qpt.hw_qpt_ptr.msb = qpt_mem->dma.msb;
1996         rxp->cq.qpt.kv_qpt_ptr = qpt_mem->kva;
1997         rxp->cq.qpt.page_count = page_count;
1998         rxp->cq.qpt.page_size = page_size;
1999
2000         rxp->cq.ccb->sw_qpt = (void **) swqpt_mem->kva;
2001         rxp->cq.ccb->sw_q = page_mem->kva;
2002
2003         kva = page_mem->kva;
2004         BNA_GET_DMA_ADDR(&page_mem->dma, dma);
2005
2006         for (i = 0; i < rxp->cq.qpt.page_count; i++) {
2007                 rxp->cq.ccb->sw_qpt[i] = kva;
2008                 kva += PAGE_SIZE;
2009
2010                 BNA_SET_DMA_ADDR(dma, &bna_dma);
2011                 ((struct bna_dma_addr *)rxp->cq.qpt.kv_qpt_ptr)[i].lsb =
2012                         bna_dma.lsb;
2013                 ((struct bna_dma_addr *)rxp->cq.qpt.kv_qpt_ptr)[i].msb =
2014                         bna_dma.msb;
2015                 dma += PAGE_SIZE;
2016         }
2017 }
2018
2019 static void
2020 bna_rx_mod_cb_rx_stopped(void *arg, struct bna_rx *rx)
2021 {
2022         struct bna_rx_mod *rx_mod = (struct bna_rx_mod *)arg;
2023
2024         bfa_wc_down(&rx_mod->rx_stop_wc);
2025 }
2026
2027 static void
2028 bna_rx_mod_cb_rx_stopped_all(void *arg)
2029 {
2030         struct bna_rx_mod *rx_mod = (struct bna_rx_mod *)arg;
2031
2032         if (rx_mod->stop_cbfn)
2033                 rx_mod->stop_cbfn(&rx_mod->bna->enet);
2034         rx_mod->stop_cbfn = NULL;
2035 }
2036
2037 static void
2038 bna_rx_start(struct bna_rx *rx)
2039 {
2040         rx->rx_flags |= BNA_RX_F_ENET_STARTED;
2041         if (rx->rx_flags & BNA_RX_F_ENABLED)
2042                 bfa_fsm_send_event(rx, RX_E_START);
2043 }
2044
2045 static void
2046 bna_rx_stop(struct bna_rx *rx)
2047 {
2048         rx->rx_flags &= ~BNA_RX_F_ENET_STARTED;
2049         if (rx->fsm == (bfa_fsm_t) bna_rx_sm_stopped)
2050                 bna_rx_mod_cb_rx_stopped(&rx->bna->rx_mod, rx);
2051         else {
2052                 rx->stop_cbfn = bna_rx_mod_cb_rx_stopped;
2053                 rx->stop_cbarg = &rx->bna->rx_mod;
2054                 bfa_fsm_send_event(rx, RX_E_STOP);
2055         }
2056 }
2057
2058 static void
2059 bna_rx_fail(struct bna_rx *rx)
2060 {
2061         /* Indicate Enet is not enabled, and failed */
2062         rx->rx_flags &= ~BNA_RX_F_ENET_STARTED;
2063         bfa_fsm_send_event(rx, RX_E_FAIL);
2064 }
2065
2066 void
2067 bna_rx_mod_start(struct bna_rx_mod *rx_mod, enum bna_rx_type type)
2068 {
2069         struct bna_rx *rx;
2070         struct list_head *qe;
2071
2072         rx_mod->flags |= BNA_RX_MOD_F_ENET_STARTED;
2073         if (type == BNA_RX_T_LOOPBACK)
2074                 rx_mod->flags |= BNA_RX_MOD_F_ENET_LOOPBACK;
2075
2076         list_for_each(qe, &rx_mod->rx_active_q) {
2077                 rx = (struct bna_rx *)qe;
2078                 if (rx->type == type)
2079                         bna_rx_start(rx);
2080         }
2081 }
2082
2083 void
2084 bna_rx_mod_stop(struct bna_rx_mod *rx_mod, enum bna_rx_type type)
2085 {
2086         struct bna_rx *rx;
2087         struct list_head *qe;
2088
2089         rx_mod->flags &= ~BNA_RX_MOD_F_ENET_STARTED;
2090         rx_mod->flags &= ~BNA_RX_MOD_F_ENET_LOOPBACK;
2091
2092         rx_mod->stop_cbfn = bna_enet_cb_rx_stopped;
2093
2094         bfa_wc_init(&rx_mod->rx_stop_wc, bna_rx_mod_cb_rx_stopped_all, rx_mod);
2095
2096         list_for_each(qe, &rx_mod->rx_active_q) {
2097                 rx = (struct bna_rx *)qe;
2098                 if (rx->type == type) {
2099                         bfa_wc_up(&rx_mod->rx_stop_wc);
2100                         bna_rx_stop(rx);
2101                 }
2102         }
2103
2104         bfa_wc_wait(&rx_mod->rx_stop_wc);
2105 }
2106
2107 void
2108 bna_rx_mod_fail(struct bna_rx_mod *rx_mod)
2109 {
2110         struct bna_rx *rx;
2111         struct list_head *qe;
2112
2113         rx_mod->flags &= ~BNA_RX_MOD_F_ENET_STARTED;
2114         rx_mod->flags &= ~BNA_RX_MOD_F_ENET_LOOPBACK;
2115
2116         list_for_each(qe, &rx_mod->rx_active_q) {
2117                 rx = (struct bna_rx *)qe;
2118                 bna_rx_fail(rx);
2119         }
2120 }
2121
2122 void bna_rx_mod_init(struct bna_rx_mod *rx_mod, struct bna *bna,
2123                         struct bna_res_info *res_info)
2124 {
2125         int     index;
2126         struct bna_rx *rx_ptr;
2127         struct bna_rxp *rxp_ptr;
2128         struct bna_rxq *rxq_ptr;
2129
2130         rx_mod->bna = bna;
2131         rx_mod->flags = 0;
2132
2133         rx_mod->rx = (struct bna_rx *)
2134                 res_info[BNA_MOD_RES_MEM_T_RX_ARRAY].res_u.mem_info.mdl[0].kva;
2135         rx_mod->rxp = (struct bna_rxp *)
2136                 res_info[BNA_MOD_RES_MEM_T_RXP_ARRAY].res_u.mem_info.mdl[0].kva;
2137         rx_mod->rxq = (struct bna_rxq *)
2138                 res_info[BNA_MOD_RES_MEM_T_RXQ_ARRAY].res_u.mem_info.mdl[0].kva;
2139
2140         /* Initialize the queues */
2141         INIT_LIST_HEAD(&rx_mod->rx_free_q);
2142         rx_mod->rx_free_count = 0;
2143         INIT_LIST_HEAD(&rx_mod->rxq_free_q);
2144         rx_mod->rxq_free_count = 0;
2145         INIT_LIST_HEAD(&rx_mod->rxp_free_q);
2146         rx_mod->rxp_free_count = 0;
2147         INIT_LIST_HEAD(&rx_mod->rx_active_q);
2148
2149         /* Build RX queues */
2150         for (index = 0; index < bna->ioceth.attr.num_rxp; index++) {
2151                 rx_ptr = &rx_mod->rx[index];
2152
2153                 bfa_q_qe_init(&rx_ptr->qe);
2154                 INIT_LIST_HEAD(&rx_ptr->rxp_q);
2155                 rx_ptr->bna = NULL;
2156                 rx_ptr->rid = index;
2157                 rx_ptr->stop_cbfn = NULL;
2158                 rx_ptr->stop_cbarg = NULL;
2159
2160                 list_add_tail(&rx_ptr->qe, &rx_mod->rx_free_q);
2161                 rx_mod->rx_free_count++;
2162         }
2163
2164         /* build RX-path queue */
2165         for (index = 0; index < bna->ioceth.attr.num_rxp; index++) {
2166                 rxp_ptr = &rx_mod->rxp[index];
2167                 bfa_q_qe_init(&rxp_ptr->qe);
2168                 list_add_tail(&rxp_ptr->qe, &rx_mod->rxp_free_q);
2169                 rx_mod->rxp_free_count++;
2170         }
2171
2172         /* build RXQ queue */
2173         for (index = 0; index < (bna->ioceth.attr.num_rxp * 2); index++) {
2174                 rxq_ptr = &rx_mod->rxq[index];
2175                 bfa_q_qe_init(&rxq_ptr->qe);
2176                 list_add_tail(&rxq_ptr->qe, &rx_mod->rxq_free_q);
2177                 rx_mod->rxq_free_count++;
2178         }
2179 }
2180
2181 void
2182 bna_rx_mod_uninit(struct bna_rx_mod *rx_mod)
2183 {
2184         struct list_head                *qe;
2185         int i;
2186
2187         i = 0;
2188         list_for_each(qe, &rx_mod->rx_free_q)
2189                 i++;
2190
2191         i = 0;
2192         list_for_each(qe, &rx_mod->rxp_free_q)
2193                 i++;
2194
2195         i = 0;
2196         list_for_each(qe, &rx_mod->rxq_free_q)
2197                 i++;
2198
2199         rx_mod->bna = NULL;
2200 }
2201
2202 void
2203 bna_bfi_rx_enet_start_rsp(struct bna_rx *rx, struct bfi_msgq_mhdr *msghdr)
2204 {
2205         struct bfi_enet_rx_cfg_rsp *cfg_rsp = &rx->bfi_enet_cmd.cfg_rsp;
2206         struct bna_rxp *rxp = NULL;
2207         struct bna_rxq *q0 = NULL, *q1 = NULL;
2208         struct list_head *rxp_qe;
2209         int i;
2210
2211         bfa_msgq_rsp_copy(&rx->bna->msgq, (u8 *)cfg_rsp,
2212                 sizeof(struct bfi_enet_rx_cfg_rsp));
2213
2214         rx->hw_id = cfg_rsp->hw_id;
2215
2216         for (i = 0, rxp_qe = bfa_q_first(&rx->rxp_q);
2217                 i < rx->num_paths;
2218                 i++, rxp_qe = bfa_q_next(rxp_qe)) {
2219                 rxp = (struct bna_rxp *)rxp_qe;
2220                 GET_RXQS(rxp, q0, q1);
2221
2222                 /* Setup doorbells */
2223                 rxp->cq.ccb->i_dbell->doorbell_addr =
2224                         rx->bna->pcidev.pci_bar_kva
2225                         + ntohl(cfg_rsp->q_handles[i].i_dbell);
2226                 rxp->hw_id = cfg_rsp->q_handles[i].hw_cqid;
2227                 q0->rcb->q_dbell =
2228                         rx->bna->pcidev.pci_bar_kva
2229                         + ntohl(cfg_rsp->q_handles[i].ql_dbell);
2230                 q0->hw_id = cfg_rsp->q_handles[i].hw_lqid;
2231                 if (q1) {
2232                         q1->rcb->q_dbell =
2233                         rx->bna->pcidev.pci_bar_kva
2234                         + ntohl(cfg_rsp->q_handles[i].qs_dbell);
2235                         q1->hw_id = cfg_rsp->q_handles[i].hw_sqid;
2236                 }
2237
2238                 /* Initialize producer/consumer indexes */
2239                 (*rxp->cq.ccb->hw_producer_index) = 0;
2240                 rxp->cq.ccb->producer_index = 0;
2241                 q0->rcb->producer_index = q0->rcb->consumer_index = 0;
2242                 if (q1)
2243                         q1->rcb->producer_index = q1->rcb->consumer_index = 0;
2244         }
2245
2246         bfa_fsm_send_event(rx, RX_E_STARTED);
2247 }
2248
2249 void
2250 bna_bfi_rx_enet_stop_rsp(struct bna_rx *rx, struct bfi_msgq_mhdr *msghdr)
2251 {
2252         bfa_fsm_send_event(rx, RX_E_STOPPED);
2253 }
2254
2255 void
2256 bna_rx_res_req(struct bna_rx_config *q_cfg, struct bna_res_info *res_info)
2257 {
2258         u32 cq_size, hq_size, dq_size;
2259         u32 cpage_count, hpage_count, dpage_count;
2260         struct bna_mem_info *mem_info;
2261         u32 cq_depth;
2262         u32 hq_depth;
2263         u32 dq_depth;
2264
2265         dq_depth = q_cfg->q_depth;
2266         hq_depth = ((q_cfg->rxp_type == BNA_RXP_SINGLE) ? 0 : q_cfg->q_depth);
2267         cq_depth = dq_depth + hq_depth;
2268
2269         BNA_TO_POWER_OF_2_HIGH(cq_depth);
2270         cq_size = cq_depth * BFI_CQ_WI_SIZE;
2271         cq_size = ALIGN(cq_size, PAGE_SIZE);
2272         cpage_count = SIZE_TO_PAGES(cq_size);
2273
2274         BNA_TO_POWER_OF_2_HIGH(dq_depth);
2275         dq_size = dq_depth * BFI_RXQ_WI_SIZE;
2276         dq_size = ALIGN(dq_size, PAGE_SIZE);
2277         dpage_count = SIZE_TO_PAGES(dq_size);
2278
2279         if (BNA_RXP_SINGLE != q_cfg->rxp_type) {
2280                 BNA_TO_POWER_OF_2_HIGH(hq_depth);
2281                 hq_size = hq_depth * BFI_RXQ_WI_SIZE;
2282                 hq_size = ALIGN(hq_size, PAGE_SIZE);
2283                 hpage_count = SIZE_TO_PAGES(hq_size);
2284         } else
2285                 hpage_count = 0;
2286
2287         res_info[BNA_RX_RES_MEM_T_CCB].res_type = BNA_RES_T_MEM;
2288         mem_info = &res_info[BNA_RX_RES_MEM_T_CCB].res_u.mem_info;
2289         mem_info->mem_type = BNA_MEM_T_KVA;
2290         mem_info->len = sizeof(struct bna_ccb);
2291         mem_info->num = q_cfg->num_paths;
2292
2293         res_info[BNA_RX_RES_MEM_T_RCB].res_type = BNA_RES_T_MEM;
2294         mem_info = &res_info[BNA_RX_RES_MEM_T_RCB].res_u.mem_info;
2295         mem_info->mem_type = BNA_MEM_T_KVA;
2296         mem_info->len = sizeof(struct bna_rcb);
2297         mem_info->num = BNA_GET_RXQS(q_cfg);
2298
2299         res_info[BNA_RX_RES_MEM_T_CQPT].res_type = BNA_RES_T_MEM;
2300         mem_info = &res_info[BNA_RX_RES_MEM_T_CQPT].res_u.mem_info;
2301         mem_info->mem_type = BNA_MEM_T_DMA;
2302         mem_info->len = cpage_count * sizeof(struct bna_dma_addr);
2303         mem_info->num = q_cfg->num_paths;
2304
2305         res_info[BNA_RX_RES_MEM_T_CSWQPT].res_type = BNA_RES_T_MEM;
2306         mem_info = &res_info[BNA_RX_RES_MEM_T_CSWQPT].res_u.mem_info;
2307         mem_info->mem_type = BNA_MEM_T_KVA;
2308         mem_info->len = cpage_count * sizeof(void *);
2309         mem_info->num = q_cfg->num_paths;
2310
2311         res_info[BNA_RX_RES_MEM_T_CQPT_PAGE].res_type = BNA_RES_T_MEM;
2312         mem_info = &res_info[BNA_RX_RES_MEM_T_CQPT_PAGE].res_u.mem_info;
2313         mem_info->mem_type = BNA_MEM_T_DMA;
2314         mem_info->len = PAGE_SIZE * cpage_count;
2315         mem_info->num = q_cfg->num_paths;
2316
2317         res_info[BNA_RX_RES_MEM_T_DQPT].res_type = BNA_RES_T_MEM;
2318         mem_info = &res_info[BNA_RX_RES_MEM_T_DQPT].res_u.mem_info;
2319         mem_info->mem_type = BNA_MEM_T_DMA;
2320         mem_info->len = dpage_count * sizeof(struct bna_dma_addr);
2321         mem_info->num = q_cfg->num_paths;
2322
2323         res_info[BNA_RX_RES_MEM_T_DSWQPT].res_type = BNA_RES_T_MEM;
2324         mem_info = &res_info[BNA_RX_RES_MEM_T_DSWQPT].res_u.mem_info;
2325         mem_info->mem_type = BNA_MEM_T_KVA;
2326         mem_info->len = dpage_count * sizeof(void *);
2327         mem_info->num = q_cfg->num_paths;
2328
2329         res_info[BNA_RX_RES_MEM_T_DPAGE].res_type = BNA_RES_T_MEM;
2330         mem_info = &res_info[BNA_RX_RES_MEM_T_DPAGE].res_u.mem_info;
2331         mem_info->mem_type = BNA_MEM_T_DMA;
2332         mem_info->len = PAGE_SIZE * dpage_count;
2333         mem_info->num = q_cfg->num_paths;
2334
2335         res_info[BNA_RX_RES_MEM_T_HQPT].res_type = BNA_RES_T_MEM;
2336         mem_info = &res_info[BNA_RX_RES_MEM_T_HQPT].res_u.mem_info;
2337         mem_info->mem_type = BNA_MEM_T_DMA;
2338         mem_info->len = hpage_count * sizeof(struct bna_dma_addr);
2339         mem_info->num = (hpage_count ? q_cfg->num_paths : 0);
2340
2341         res_info[BNA_RX_RES_MEM_T_HSWQPT].res_type = BNA_RES_T_MEM;
2342         mem_info = &res_info[BNA_RX_RES_MEM_T_HSWQPT].res_u.mem_info;
2343         mem_info->mem_type = BNA_MEM_T_KVA;
2344         mem_info->len = hpage_count * sizeof(void *);
2345         mem_info->num = (hpage_count ? q_cfg->num_paths : 0);
2346
2347         res_info[BNA_RX_RES_MEM_T_HPAGE].res_type = BNA_RES_T_MEM;
2348         mem_info = &res_info[BNA_RX_RES_MEM_T_HPAGE].res_u.mem_info;
2349         mem_info->mem_type = BNA_MEM_T_DMA;
2350         mem_info->len = PAGE_SIZE * hpage_count;
2351         mem_info->num = (hpage_count ? q_cfg->num_paths : 0);
2352
2353         res_info[BNA_RX_RES_MEM_T_IBIDX].res_type = BNA_RES_T_MEM;
2354         mem_info = &res_info[BNA_RX_RES_MEM_T_IBIDX].res_u.mem_info;
2355         mem_info->mem_type = BNA_MEM_T_DMA;
2356         mem_info->len = BFI_IBIDX_SIZE;
2357         mem_info->num = q_cfg->num_paths;
2358
2359         res_info[BNA_RX_RES_MEM_T_RIT].res_type = BNA_RES_T_MEM;
2360         mem_info = &res_info[BNA_RX_RES_MEM_T_RIT].res_u.mem_info;
2361         mem_info->mem_type = BNA_MEM_T_KVA;
2362         mem_info->len = BFI_ENET_RSS_RIT_MAX;
2363         mem_info->num = 1;
2364
2365         res_info[BNA_RX_RES_T_INTR].res_type = BNA_RES_T_INTR;
2366         res_info[BNA_RX_RES_T_INTR].res_u.intr_info.intr_type = BNA_INTR_T_MSIX;
2367         res_info[BNA_RX_RES_T_INTR].res_u.intr_info.num = q_cfg->num_paths;
2368 }
2369
2370 struct bna_rx *
2371 bna_rx_create(struct bna *bna, struct bnad *bnad,
2372                 struct bna_rx_config *rx_cfg,
2373                 const struct bna_rx_event_cbfn *rx_cbfn,
2374                 struct bna_res_info *res_info,
2375                 void *priv)
2376 {
2377         struct bna_rx_mod *rx_mod = &bna->rx_mod;
2378         struct bna_rx *rx;
2379         struct bna_rxp *rxp;
2380         struct bna_rxq *q0;
2381         struct bna_rxq *q1;
2382         struct bna_intr_info *intr_info;
2383         u32 page_count;
2384         struct bna_mem_descr *ccb_mem;
2385         struct bna_mem_descr *rcb_mem;
2386         struct bna_mem_descr *unmapq_mem;
2387         struct bna_mem_descr *cqpt_mem;
2388         struct bna_mem_descr *cswqpt_mem;
2389         struct bna_mem_descr *cpage_mem;
2390         struct bna_mem_descr *hqpt_mem;
2391         struct bna_mem_descr *dqpt_mem;
2392         struct bna_mem_descr *hsqpt_mem;
2393         struct bna_mem_descr *dsqpt_mem;
2394         struct bna_mem_descr *hpage_mem;
2395         struct bna_mem_descr *dpage_mem;
2396         int i;
2397         int dpage_count, hpage_count, rcb_idx;
2398
2399         if (!bna_rx_res_check(rx_mod, rx_cfg))
2400                 return NULL;
2401
2402         intr_info = &res_info[BNA_RX_RES_T_INTR].res_u.intr_info;
2403         ccb_mem = &res_info[BNA_RX_RES_MEM_T_CCB].res_u.mem_info.mdl[0];
2404         rcb_mem = &res_info[BNA_RX_RES_MEM_T_RCB].res_u.mem_info.mdl[0];
2405         unmapq_mem = &res_info[BNA_RX_RES_MEM_T_UNMAPQ].res_u.mem_info.mdl[0];
2406         cqpt_mem = &res_info[BNA_RX_RES_MEM_T_CQPT].res_u.mem_info.mdl[0];
2407         cswqpt_mem = &res_info[BNA_RX_RES_MEM_T_CSWQPT].res_u.mem_info.mdl[0];
2408         cpage_mem = &res_info[BNA_RX_RES_MEM_T_CQPT_PAGE].res_u.mem_info.mdl[0];
2409         hqpt_mem = &res_info[BNA_RX_RES_MEM_T_HQPT].res_u.mem_info.mdl[0];
2410         dqpt_mem = &res_info[BNA_RX_RES_MEM_T_DQPT].res_u.mem_info.mdl[0];
2411         hsqpt_mem = &res_info[BNA_RX_RES_MEM_T_HSWQPT].res_u.mem_info.mdl[0];
2412         dsqpt_mem = &res_info[BNA_RX_RES_MEM_T_DSWQPT].res_u.mem_info.mdl[0];
2413         hpage_mem = &res_info[BNA_RX_RES_MEM_T_HPAGE].res_u.mem_info.mdl[0];
2414         dpage_mem = &res_info[BNA_RX_RES_MEM_T_DPAGE].res_u.mem_info.mdl[0];
2415
2416         page_count = res_info[BNA_RX_RES_MEM_T_CQPT_PAGE].res_u.mem_info.len /
2417                         PAGE_SIZE;
2418
2419         dpage_count = res_info[BNA_RX_RES_MEM_T_DPAGE].res_u.mem_info.len /
2420                         PAGE_SIZE;
2421
2422         hpage_count = res_info[BNA_RX_RES_MEM_T_HPAGE].res_u.mem_info.len /
2423                         PAGE_SIZE;
2424
2425         rx = bna_rx_get(rx_mod, rx_cfg->rx_type);
2426         rx->bna = bna;
2427         rx->rx_flags = 0;
2428         INIT_LIST_HEAD(&rx->rxp_q);
2429         rx->stop_cbfn = NULL;
2430         rx->stop_cbarg = NULL;
2431         rx->priv = priv;
2432
2433         rx->rcb_setup_cbfn = rx_cbfn->rcb_setup_cbfn;
2434         rx->rcb_destroy_cbfn = rx_cbfn->rcb_destroy_cbfn;
2435         rx->ccb_setup_cbfn = rx_cbfn->ccb_setup_cbfn;
2436         rx->ccb_destroy_cbfn = rx_cbfn->ccb_destroy_cbfn;
2437         rx->rx_stall_cbfn = rx_cbfn->rx_stall_cbfn;
2438         /* Following callbacks are mandatory */
2439         rx->rx_cleanup_cbfn = rx_cbfn->rx_cleanup_cbfn;
2440         rx->rx_post_cbfn = rx_cbfn->rx_post_cbfn;
2441
2442         if (rx->bna->rx_mod.flags & BNA_RX_MOD_F_ENET_STARTED) {
2443                 switch (rx->type) {
2444                 case BNA_RX_T_REGULAR:
2445                         if (!(rx->bna->rx_mod.flags &
2446                                 BNA_RX_MOD_F_ENET_LOOPBACK))
2447                                 rx->rx_flags |= BNA_RX_F_ENET_STARTED;
2448                         break;
2449                 case BNA_RX_T_LOOPBACK:
2450                         if (rx->bna->rx_mod.flags & BNA_RX_MOD_F_ENET_LOOPBACK)
2451                                 rx->rx_flags |= BNA_RX_F_ENET_STARTED;
2452                         break;
2453                 }
2454         }
2455
2456         rx->num_paths = rx_cfg->num_paths;
2457         for (i = 0, rcb_idx = 0; i < rx->num_paths; i++) {
2458                 rxp = bna_rxp_get(rx_mod);
2459                 list_add_tail(&rxp->qe, &rx->rxp_q);
2460                 rxp->type = rx_cfg->rxp_type;
2461                 rxp->rx = rx;
2462                 rxp->cq.rx = rx;
2463
2464                 q0 = bna_rxq_get(rx_mod);
2465                 if (BNA_RXP_SINGLE == rx_cfg->rxp_type)
2466                         q1 = NULL;
2467                 else
2468                         q1 = bna_rxq_get(rx_mod);
2469
2470                 if (1 == intr_info->num)
2471                         rxp->vector = intr_info->idl[0].vector;
2472                 else
2473                         rxp->vector = intr_info->idl[i].vector;
2474
2475                 /* Setup IB */
2476
2477                 rxp->cq.ib.ib_seg_host_addr.lsb =
2478                 res_info[BNA_RX_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].dma.lsb;
2479                 rxp->cq.ib.ib_seg_host_addr.msb =
2480                 res_info[BNA_RX_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].dma.msb;
2481                 rxp->cq.ib.ib_seg_host_addr_kva =
2482                 res_info[BNA_RX_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].kva;
2483                 rxp->cq.ib.intr_type = intr_info->intr_type;
2484                 if (intr_info->intr_type == BNA_INTR_T_MSIX)
2485                         rxp->cq.ib.intr_vector = rxp->vector;
2486                 else
2487                         rxp->cq.ib.intr_vector = (1 << rxp->vector);
2488                 rxp->cq.ib.coalescing_timeo = rx_cfg->coalescing_timeo;
2489                 rxp->cq.ib.interpkt_count = BFI_RX_INTERPKT_COUNT;
2490                 rxp->cq.ib.interpkt_timeo = BFI_RX_INTERPKT_TIMEO;
2491
2492                 bna_rxp_add_rxqs(rxp, q0, q1);
2493
2494                 /* Setup large Q */
2495
2496                 q0->rx = rx;
2497                 q0->rxp = rxp;
2498
2499                 q0->rcb = (struct bna_rcb *) rcb_mem[rcb_idx].kva;
2500                 q0->rcb->unmap_q = (void *)unmapq_mem[rcb_idx].kva;
2501                 rcb_idx++;
2502                 q0->rcb->q_depth = rx_cfg->q_depth;
2503                 q0->rcb->rxq = q0;
2504                 q0->rcb->bnad = bna->bnad;
2505                 q0->rcb->id = 0;
2506                 q0->rx_packets = q0->rx_bytes = 0;
2507                 q0->rx_packets_with_error = q0->rxbuf_alloc_failed = 0;
2508
2509                 bna_rxq_qpt_setup(q0, rxp, dpage_count, PAGE_SIZE,
2510                         &dqpt_mem[i], &dsqpt_mem[i], &dpage_mem[i]);
2511
2512                 if (rx->rcb_setup_cbfn)
2513                         rx->rcb_setup_cbfn(bnad, q0->rcb);
2514
2515                 /* Setup small Q */
2516
2517                 if (q1) {
2518                         q1->rx = rx;
2519                         q1->rxp = rxp;
2520
2521                         q1->rcb = (struct bna_rcb *) rcb_mem[rcb_idx].kva;
2522                         q1->rcb->unmap_q = (void *)unmapq_mem[rcb_idx].kva;
2523                         rcb_idx++;
2524                         q1->rcb->q_depth = rx_cfg->q_depth;
2525                         q1->rcb->rxq = q1;
2526                         q1->rcb->bnad = bna->bnad;
2527                         q1->rcb->id = 1;
2528                         q1->buffer_size = (rx_cfg->rxp_type == BNA_RXP_HDS) ?
2529                                         rx_cfg->hds_config.forced_offset
2530                                         : rx_cfg->small_buff_size;
2531                         q1->rx_packets = q1->rx_bytes = 0;
2532                         q1->rx_packets_with_error = q1->rxbuf_alloc_failed = 0;
2533
2534                         bna_rxq_qpt_setup(q1, rxp, hpage_count, PAGE_SIZE,
2535                                 &hqpt_mem[i], &hsqpt_mem[i],
2536                                 &hpage_mem[i]);
2537
2538                         if (rx->rcb_setup_cbfn)
2539                                 rx->rcb_setup_cbfn(bnad, q1->rcb);
2540                 }
2541
2542                 /* Setup CQ */
2543
2544                 rxp->cq.ccb = (struct bna_ccb *) ccb_mem[i].kva;
2545                 rxp->cq.ccb->q_depth =  rx_cfg->q_depth +
2546                                         ((rx_cfg->rxp_type == BNA_RXP_SINGLE) ?
2547                                         0 : rx_cfg->q_depth);
2548                 rxp->cq.ccb->cq = &rxp->cq;
2549                 rxp->cq.ccb->rcb[0] = q0->rcb;
2550                 q0->rcb->ccb = rxp->cq.ccb;
2551                 if (q1) {
2552                         rxp->cq.ccb->rcb[1] = q1->rcb;
2553                         q1->rcb->ccb = rxp->cq.ccb;
2554                 }
2555                 rxp->cq.ccb->hw_producer_index =
2556                         (u32 *)rxp->cq.ib.ib_seg_host_addr_kva;
2557                 rxp->cq.ccb->i_dbell = &rxp->cq.ib.door_bell;
2558                 rxp->cq.ccb->intr_type = rxp->cq.ib.intr_type;
2559                 rxp->cq.ccb->intr_vector = rxp->cq.ib.intr_vector;
2560                 rxp->cq.ccb->rx_coalescing_timeo =
2561                         rxp->cq.ib.coalescing_timeo;
2562                 rxp->cq.ccb->pkt_rate.small_pkt_cnt = 0;
2563                 rxp->cq.ccb->pkt_rate.large_pkt_cnt = 0;
2564                 rxp->cq.ccb->bnad = bna->bnad;
2565                 rxp->cq.ccb->id = i;
2566
2567                 bna_rxp_cqpt_setup(rxp, page_count, PAGE_SIZE,
2568                         &cqpt_mem[i], &cswqpt_mem[i], &cpage_mem[i]);
2569
2570                 if (rx->ccb_setup_cbfn)
2571                         rx->ccb_setup_cbfn(bnad, rxp->cq.ccb);
2572         }
2573
2574         rx->hds_cfg = rx_cfg->hds_config;
2575
2576         bna_rxf_init(&rx->rxf, rx, rx_cfg, res_info);
2577
2578         bfa_fsm_set_state(rx, bna_rx_sm_stopped);
2579
2580         rx_mod->rid_mask |= (1 << rx->rid);
2581
2582         return rx;
2583 }
2584
2585 void
2586 bna_rx_destroy(struct bna_rx *rx)
2587 {
2588         struct bna_rx_mod *rx_mod = &rx->bna->rx_mod;
2589         struct bna_rxq *q0 = NULL;
2590         struct bna_rxq *q1 = NULL;
2591         struct bna_rxp *rxp;
2592         struct list_head *qe;
2593
2594         bna_rxf_uninit(&rx->rxf);
2595
2596         while (!list_empty(&rx->rxp_q)) {
2597                 bfa_q_deq(&rx->rxp_q, &rxp);
2598                 GET_RXQS(rxp, q0, q1);
2599                 if (rx->rcb_destroy_cbfn)
2600                         rx->rcb_destroy_cbfn(rx->bna->bnad, q0->rcb);
2601                 q0->rcb = NULL;
2602                 q0->rxp = NULL;
2603                 q0->rx = NULL;
2604                 bna_rxq_put(rx_mod, q0);
2605
2606                 if (q1) {
2607                         if (rx->rcb_destroy_cbfn)
2608                                 rx->rcb_destroy_cbfn(rx->bna->bnad, q1->rcb);
2609                         q1->rcb = NULL;
2610                         q1->rxp = NULL;
2611                         q1->rx = NULL;
2612                         bna_rxq_put(rx_mod, q1);
2613                 }
2614                 rxp->rxq.slr.large = NULL;
2615                 rxp->rxq.slr.small = NULL;
2616
2617                 if (rx->ccb_destroy_cbfn)
2618                         rx->ccb_destroy_cbfn(rx->bna->bnad, rxp->cq.ccb);
2619                 rxp->cq.ccb = NULL;
2620                 rxp->rx = NULL;
2621                 bna_rxp_put(rx_mod, rxp);
2622         }
2623
2624         list_for_each(qe, &rx_mod->rx_active_q) {
2625                 if (qe == &rx->qe) {
2626                         list_del(&rx->qe);
2627                         bfa_q_qe_init(&rx->qe);
2628                         break;
2629                 }
2630         }
2631
2632         rx_mod->rid_mask &= ~(1 << rx->rid);
2633
2634         rx->bna = NULL;
2635         rx->priv = NULL;
2636         bna_rx_put(rx_mod, rx);
2637 }
2638
2639 void
2640 bna_rx_enable(struct bna_rx *rx)
2641 {
2642         if (rx->fsm != (bfa_sm_t)bna_rx_sm_stopped)
2643                 return;
2644
2645         rx->rx_flags |= BNA_RX_F_ENABLED;
2646         if (rx->rx_flags & BNA_RX_F_ENET_STARTED)
2647                 bfa_fsm_send_event(rx, RX_E_START);
2648 }
2649
2650 void
2651 bna_rx_disable(struct bna_rx *rx, enum bna_cleanup_type type,
2652                 void (*cbfn)(void *, struct bna_rx *))
2653 {
2654         if (type == BNA_SOFT_CLEANUP) {
2655                 /* h/w should not be accessed. Treat we're stopped */
2656                 (*cbfn)(rx->bna->bnad, rx);
2657         } else {
2658                 rx->stop_cbfn = cbfn;
2659                 rx->stop_cbarg = rx->bna->bnad;
2660
2661                 rx->rx_flags &= ~BNA_RX_F_ENABLED;
2662
2663                 bfa_fsm_send_event(rx, RX_E_STOP);
2664         }
2665 }
2666
2667 void
2668 bna_rx_cleanup_complete(struct bna_rx *rx)
2669 {
2670         bfa_fsm_send_event(rx, RX_E_CLEANUP_DONE);
2671 }
2672
2673 enum bna_cb_status
2674 bna_rx_mode_set(struct bna_rx *rx, enum bna_rxmode new_mode,
2675                 enum bna_rxmode bitmask,
2676                 void (*cbfn)(struct bnad *, struct bna_rx *))
2677 {
2678         struct bna_rxf *rxf = &rx->rxf;
2679         int need_hw_config = 0;
2680
2681         /* Error checks */
2682
2683         if (is_promisc_enable(new_mode, bitmask)) {
2684                 /* If promisc mode is already enabled elsewhere in the system */
2685                 if ((rx->bna->promisc_rid != BFI_INVALID_RID) &&
2686                         (rx->bna->promisc_rid != rxf->rx->rid))
2687                         goto err_return;
2688
2689                 /* If default mode is already enabled in the system */
2690                 if (rx->bna->default_mode_rid != BFI_INVALID_RID)
2691                         goto err_return;
2692
2693                 /* Trying to enable promiscuous and default mode together */
2694                 if (is_default_enable(new_mode, bitmask))
2695                         goto err_return;
2696         }
2697
2698         if (is_default_enable(new_mode, bitmask)) {
2699                 /* If default mode is already enabled elsewhere in the system */
2700                 if ((rx->bna->default_mode_rid != BFI_INVALID_RID) &&
2701                         (rx->bna->default_mode_rid != rxf->rx->rid)) {
2702                                 goto err_return;
2703                 }
2704
2705                 /* If promiscuous mode is already enabled in the system */
2706                 if (rx->bna->promisc_rid != BFI_INVALID_RID)
2707                         goto err_return;
2708         }
2709
2710         /* Process the commands */
2711
2712         if (is_promisc_enable(new_mode, bitmask)) {
2713                 if (bna_rxf_promisc_enable(rxf))
2714                         need_hw_config = 1;
2715         } else if (is_promisc_disable(new_mode, bitmask)) {
2716                 if (bna_rxf_promisc_disable(rxf))
2717                         need_hw_config = 1;
2718         }
2719
2720         if (is_allmulti_enable(new_mode, bitmask)) {
2721                 if (bna_rxf_allmulti_enable(rxf))
2722                         need_hw_config = 1;
2723         } else if (is_allmulti_disable(new_mode, bitmask)) {
2724                 if (bna_rxf_allmulti_disable(rxf))
2725                         need_hw_config = 1;
2726         }
2727
2728         /* Trigger h/w if needed */
2729
2730         if (need_hw_config) {
2731                 rxf->cam_fltr_cbfn = cbfn;
2732                 rxf->cam_fltr_cbarg = rx->bna->bnad;
2733                 bfa_fsm_send_event(rxf, RXF_E_CONFIG);
2734         } else if (cbfn)
2735                 (*cbfn)(rx->bna->bnad, rx);
2736
2737         return BNA_CB_SUCCESS;
2738
2739 err_return:
2740         return BNA_CB_FAIL;
2741 }
2742
2743 void
2744 bna_rx_vlanfilter_enable(struct bna_rx *rx)
2745 {
2746         struct bna_rxf *rxf = &rx->rxf;
2747
2748         if (rxf->vlan_filter_status == BNA_STATUS_T_DISABLED) {
2749                 rxf->vlan_filter_status = BNA_STATUS_T_ENABLED;
2750                 rxf->vlan_pending_bitmask = (u8)BFI_VLAN_BMASK_ALL;
2751                 bfa_fsm_send_event(rxf, RXF_E_CONFIG);
2752         }
2753 }
2754
2755 void
2756 bna_rx_coalescing_timeo_set(struct bna_rx *rx, int coalescing_timeo)
2757 {
2758         struct bna_rxp *rxp;
2759         struct list_head *qe;
2760
2761         list_for_each(qe, &rx->rxp_q) {
2762                 rxp = (struct bna_rxp *)qe;
2763                 rxp->cq.ccb->rx_coalescing_timeo = coalescing_timeo;
2764                 bna_ib_coalescing_timeo_set(&rxp->cq.ib, coalescing_timeo);
2765         }
2766 }
2767
2768 void
2769 bna_rx_dim_reconfig(struct bna *bna, const u32 vector[][BNA_BIAS_T_MAX])
2770 {
2771         int i, j;
2772
2773         for (i = 0; i < BNA_LOAD_T_MAX; i++)
2774                 for (j = 0; j < BNA_BIAS_T_MAX; j++)
2775                         bna->rx_mod.dim_vector[i][j] = vector[i][j];
2776 }
2777
2778 void
2779 bna_rx_dim_update(struct bna_ccb *ccb)
2780 {
2781         struct bna *bna = ccb->cq->rx->bna;
2782         u32 load, bias;
2783         u32 pkt_rt, small_rt, large_rt;
2784         u8 coalescing_timeo;
2785
2786         if ((ccb->pkt_rate.small_pkt_cnt == 0) &&
2787                 (ccb->pkt_rate.large_pkt_cnt == 0))
2788                 return;
2789
2790         /* Arrive at preconfigured coalescing timeo value based on pkt rate */
2791
2792         small_rt = ccb->pkt_rate.small_pkt_cnt;
2793         large_rt = ccb->pkt_rate.large_pkt_cnt;
2794
2795         pkt_rt = small_rt + large_rt;
2796
2797         if (pkt_rt < BNA_PKT_RATE_10K)
2798                 load = BNA_LOAD_T_LOW_4;
2799         else if (pkt_rt < BNA_PKT_RATE_20K)
2800                 load = BNA_LOAD_T_LOW_3;
2801         else if (pkt_rt < BNA_PKT_RATE_30K)
2802                 load = BNA_LOAD_T_LOW_2;
2803         else if (pkt_rt < BNA_PKT_RATE_40K)
2804                 load = BNA_LOAD_T_LOW_1;
2805         else if (pkt_rt < BNA_PKT_RATE_50K)
2806                 load = BNA_LOAD_T_HIGH_1;
2807         else if (pkt_rt < BNA_PKT_RATE_60K)
2808                 load = BNA_LOAD_T_HIGH_2;
2809         else if (pkt_rt < BNA_PKT_RATE_80K)
2810                 load = BNA_LOAD_T_HIGH_3;
2811         else
2812                 load = BNA_LOAD_T_HIGH_4;
2813
2814         if (small_rt > (large_rt << 1))
2815                 bias = 0;
2816         else
2817                 bias = 1;
2818
2819         ccb->pkt_rate.small_pkt_cnt = 0;
2820         ccb->pkt_rate.large_pkt_cnt = 0;
2821
2822         coalescing_timeo = bna->rx_mod.dim_vector[load][bias];
2823         ccb->rx_coalescing_timeo = coalescing_timeo;
2824
2825         /* Set it to IB */
2826         bna_ib_coalescing_timeo_set(&ccb->cq->ib, coalescing_timeo);
2827 }
2828
2829 const u32 bna_napi_dim_vector[BNA_LOAD_T_MAX][BNA_BIAS_T_MAX] = {
2830         {12, 12},
2831         {6, 10},
2832         {5, 10},
2833         {4, 8},
2834         {3, 6},
2835         {3, 6},
2836         {2, 4},
2837         {1, 2},
2838 };
2839
2840 /* TX */
2841
2842 #define call_tx_stop_cbfn(tx)                                           \
2843 do {                                                                    \
2844         if ((tx)->stop_cbfn) {                                          \
2845                 void (*cbfn)(void *, struct bna_tx *);          \
2846                 void *cbarg;                                            \
2847                 cbfn = (tx)->stop_cbfn;                                 \
2848                 cbarg = (tx)->stop_cbarg;                               \
2849                 (tx)->stop_cbfn = NULL;                                 \
2850                 (tx)->stop_cbarg = NULL;                                \
2851                 cbfn(cbarg, (tx));                                      \
2852         }                                                               \
2853 } while (0)
2854
2855 #define call_tx_prio_change_cbfn(tx)                                    \
2856 do {                                                                    \
2857         if ((tx)->prio_change_cbfn) {                                   \
2858                 void (*cbfn)(struct bnad *, struct bna_tx *);   \
2859                 cbfn = (tx)->prio_change_cbfn;                          \
2860                 (tx)->prio_change_cbfn = NULL;                          \
2861                 cbfn((tx)->bna->bnad, (tx));                            \
2862         }                                                               \
2863 } while (0)
2864
2865 static void bna_tx_mod_cb_tx_stopped(void *tx_mod, struct bna_tx *tx);
2866 static void bna_bfi_tx_enet_start(struct bna_tx *tx);
2867 static void bna_tx_enet_stop(struct bna_tx *tx);
2868
2869 enum bna_tx_event {
2870         TX_E_START                      = 1,
2871         TX_E_STOP                       = 2,
2872         TX_E_FAIL                       = 3,
2873         TX_E_STARTED                    = 4,
2874         TX_E_STOPPED                    = 5,
2875         TX_E_PRIO_CHANGE                = 6,
2876         TX_E_CLEANUP_DONE               = 7,
2877         TX_E_BW_UPDATE                  = 8,
2878 };
2879
2880 bfa_fsm_state_decl(bna_tx, stopped, struct bna_tx, enum bna_tx_event);
2881 bfa_fsm_state_decl(bna_tx, start_wait, struct bna_tx, enum bna_tx_event);
2882 bfa_fsm_state_decl(bna_tx, started, struct bna_tx, enum bna_tx_event);
2883 bfa_fsm_state_decl(bna_tx, stop_wait, struct bna_tx, enum bna_tx_event);
2884 bfa_fsm_state_decl(bna_tx, cleanup_wait, struct bna_tx,
2885                         enum bna_tx_event);
2886 bfa_fsm_state_decl(bna_tx, prio_stop_wait, struct bna_tx,
2887                         enum bna_tx_event);
2888 bfa_fsm_state_decl(bna_tx, prio_cleanup_wait, struct bna_tx,
2889                         enum bna_tx_event);
2890 bfa_fsm_state_decl(bna_tx, failed, struct bna_tx, enum bna_tx_event);
2891 bfa_fsm_state_decl(bna_tx, quiesce_wait, struct bna_tx,
2892                         enum bna_tx_event);
2893
2894 static void
2895 bna_tx_sm_stopped_entry(struct bna_tx *tx)
2896 {
2897         call_tx_stop_cbfn(tx);
2898 }
2899
2900 static void
2901 bna_tx_sm_stopped(struct bna_tx *tx, enum bna_tx_event event)
2902 {
2903         switch (event) {
2904         case TX_E_START:
2905                 bfa_fsm_set_state(tx, bna_tx_sm_start_wait);
2906                 break;
2907
2908         case TX_E_STOP:
2909                 call_tx_stop_cbfn(tx);
2910                 break;
2911
2912         case TX_E_FAIL:
2913                 /* No-op */
2914                 break;
2915
2916         case TX_E_PRIO_CHANGE:
2917                 call_tx_prio_change_cbfn(tx);
2918                 break;
2919
2920         case TX_E_BW_UPDATE:
2921                 /* No-op */
2922                 break;
2923
2924         default:
2925                 bfa_sm_fault(event);
2926         }
2927 }
2928
2929 static void
2930 bna_tx_sm_start_wait_entry(struct bna_tx *tx)
2931 {
2932         bna_bfi_tx_enet_start(tx);
2933 }
2934
2935 static void
2936 bna_tx_sm_start_wait(struct bna_tx *tx, enum bna_tx_event event)
2937 {
2938         switch (event) {
2939         case TX_E_STOP:
2940                 tx->flags &= ~(BNA_TX_F_PRIO_CHANGED | BNA_TX_F_BW_UPDATED);
2941                 bfa_fsm_set_state(tx, bna_tx_sm_stop_wait);
2942                 break;
2943
2944         case TX_E_FAIL:
2945                 tx->flags &= ~(BNA_TX_F_PRIO_CHANGED | BNA_TX_F_BW_UPDATED);
2946                 bfa_fsm_set_state(tx, bna_tx_sm_stopped);
2947                 break;
2948
2949         case TX_E_STARTED:
2950                 if (tx->flags & (BNA_TX_F_PRIO_CHANGED | BNA_TX_F_BW_UPDATED)) {
2951                         tx->flags &= ~(BNA_TX_F_PRIO_CHANGED |
2952                                 BNA_TX_F_BW_UPDATED);
2953                         bfa_fsm_set_state(tx, bna_tx_sm_prio_stop_wait);
2954                 } else
2955                         bfa_fsm_set_state(tx, bna_tx_sm_started);
2956                 break;
2957
2958         case TX_E_PRIO_CHANGE:
2959                 tx->flags |=  BNA_TX_F_PRIO_CHANGED;
2960                 break;
2961
2962         case TX_E_BW_UPDATE:
2963                 tx->flags |= BNA_TX_F_BW_UPDATED;
2964                 break;
2965
2966         default:
2967                 bfa_sm_fault(event);
2968         }
2969 }
2970
2971 static void
2972 bna_tx_sm_started_entry(struct bna_tx *tx)
2973 {
2974         struct bna_txq *txq;
2975         struct list_head                 *qe;
2976         int is_regular = (tx->type == BNA_TX_T_REGULAR);
2977
2978         list_for_each(qe, &tx->txq_q) {
2979                 txq = (struct bna_txq *)qe;
2980                 txq->tcb->priority = txq->priority;
2981                 /* Start IB */
2982                 bna_ib_start(tx->bna, &txq->ib, is_regular);
2983         }
2984         tx->tx_resume_cbfn(tx->bna->bnad, tx);
2985 }
2986
2987 static void
2988 bna_tx_sm_started(struct bna_tx *tx, enum bna_tx_event event)
2989 {
2990         switch (event) {
2991         case TX_E_STOP:
2992                 bfa_fsm_set_state(tx, bna_tx_sm_stop_wait);
2993                 tx->tx_stall_cbfn(tx->bna->bnad, tx);
2994                 bna_tx_enet_stop(tx);
2995                 break;
2996
2997         case TX_E_FAIL:
2998                 bfa_fsm_set_state(tx, bna_tx_sm_failed);
2999                 tx->tx_stall_cbfn(tx->bna->bnad, tx);
3000                 tx->tx_cleanup_cbfn(tx->bna->bnad, tx);
3001                 break;
3002
3003         case TX_E_PRIO_CHANGE:
3004         case TX_E_BW_UPDATE:
3005                 bfa_fsm_set_state(tx, bna_tx_sm_prio_stop_wait);
3006                 break;
3007
3008         default:
3009                 bfa_sm_fault(event);
3010         }
3011 }
3012
3013 static void
3014 bna_tx_sm_stop_wait_entry(struct bna_tx *tx)
3015 {
3016 }
3017
3018 static void
3019 bna_tx_sm_stop_wait(struct bna_tx *tx, enum bna_tx_event event)
3020 {
3021         switch (event) {
3022         case TX_E_FAIL:
3023         case TX_E_STOPPED:
3024                 bfa_fsm_set_state(tx, bna_tx_sm_cleanup_wait);
3025                 tx->tx_cleanup_cbfn(tx->bna->bnad, tx);
3026                 break;
3027
3028         case TX_E_STARTED:
3029                 /**
3030                  * We are here due to start_wait -> stop_wait transition on
3031                  * TX_E_STOP event
3032                  */
3033                 bna_tx_enet_stop(tx);
3034                 break;
3035
3036         case TX_E_PRIO_CHANGE:
3037         case TX_E_BW_UPDATE:
3038                 /* No-op */
3039                 break;
3040
3041         default:
3042                 bfa_sm_fault(event);
3043         }
3044 }
3045
3046 static void
3047 bna_tx_sm_cleanup_wait_entry(struct bna_tx *tx)
3048 {
3049 }
3050
3051 static void
3052 bna_tx_sm_cleanup_wait(struct bna_tx *tx, enum bna_tx_event event)
3053 {
3054         switch (event) {
3055         case TX_E_FAIL:
3056         case TX_E_PRIO_CHANGE:
3057         case TX_E_BW_UPDATE:
3058                 /* No-op */
3059                 break;
3060
3061         case TX_E_CLEANUP_DONE:
3062                 bfa_fsm_set_state(tx, bna_tx_sm_stopped);
3063                 break;
3064
3065         default:
3066                 bfa_sm_fault(event);
3067         }
3068 }
3069
3070 static void
3071 bna_tx_sm_prio_stop_wait_entry(struct bna_tx *tx)
3072 {
3073         tx->tx_stall_cbfn(tx->bna->bnad, tx);
3074         bna_tx_enet_stop(tx);
3075 }
3076
3077 static void
3078 bna_tx_sm_prio_stop_wait(struct bna_tx *tx, enum bna_tx_event event)
3079 {
3080         switch (event) {
3081         case TX_E_STOP:
3082                 bfa_fsm_set_state(tx, bna_tx_sm_stop_wait);
3083                 break;
3084
3085         case TX_E_FAIL:
3086                 bfa_fsm_set_state(tx, bna_tx_sm_failed);
3087                 call_tx_prio_change_cbfn(tx);
3088                 tx->tx_cleanup_cbfn(tx->bna->bnad, tx);
3089                 break;
3090
3091         case TX_E_STOPPED:
3092                 bfa_fsm_set_state(tx, bna_tx_sm_prio_cleanup_wait);
3093                 break;
3094
3095         case TX_E_PRIO_CHANGE:
3096         case TX_E_BW_UPDATE:
3097                 /* No-op */
3098                 break;
3099
3100         default:
3101                 bfa_sm_fault(event);
3102         }
3103 }
3104
3105 static void
3106 bna_tx_sm_prio_cleanup_wait_entry(struct bna_tx *tx)
3107 {
3108         call_tx_prio_change_cbfn(tx);
3109         tx->tx_cleanup_cbfn(tx->bna->bnad, tx);
3110 }
3111
3112 static void
3113 bna_tx_sm_prio_cleanup_wait(struct bna_tx *tx, enum bna_tx_event event)
3114 {
3115         switch (event) {
3116         case TX_E_STOP:
3117                 bfa_fsm_set_state(tx, bna_tx_sm_cleanup_wait);
3118                 break;
3119
3120         case TX_E_FAIL:
3121                 bfa_fsm_set_state(tx, bna_tx_sm_failed);
3122                 break;
3123
3124         case TX_E_PRIO_CHANGE:
3125         case TX_E_BW_UPDATE:
3126                 /* No-op */
3127                 break;
3128
3129         case TX_E_CLEANUP_DONE:
3130                 bfa_fsm_set_state(tx, bna_tx_sm_start_wait);
3131                 break;
3132
3133         default:
3134                 bfa_sm_fault(event);
3135         }
3136 }
3137
3138 static void
3139 bna_tx_sm_failed_entry(struct bna_tx *tx)
3140 {
3141 }
3142
3143 static void
3144 bna_tx_sm_failed(struct bna_tx *tx, enum bna_tx_event event)
3145 {
3146         switch (event) {
3147         case TX_E_START:
3148                 bfa_fsm_set_state(tx, bna_tx_sm_quiesce_wait);
3149                 break;
3150
3151         case TX_E_STOP:
3152                 bfa_fsm_set_state(tx, bna_tx_sm_cleanup_wait);
3153                 break;
3154
3155         case TX_E_FAIL:
3156                 /* No-op */
3157                 break;
3158
3159         case TX_E_CLEANUP_DONE:
3160                 bfa_fsm_set_state(tx, bna_tx_sm_stopped);
3161                 break;
3162
3163         default:
3164                 bfa_sm_fault(event);
3165         }
3166 }
3167
3168 static void
3169 bna_tx_sm_quiesce_wait_entry(struct bna_tx *tx)
3170 {
3171 }
3172
3173 static void
3174 bna_tx_sm_quiesce_wait(struct bna_tx *tx, enum bna_tx_event event)
3175 {
3176         switch (event) {
3177         case TX_E_STOP:
3178                 bfa_fsm_set_state(tx, bna_tx_sm_cleanup_wait);
3179                 break;
3180
3181         case TX_E_FAIL:
3182                 bfa_fsm_set_state(tx, bna_tx_sm_failed);
3183                 break;
3184
3185         case TX_E_CLEANUP_DONE:
3186                 bfa_fsm_set_state(tx, bna_tx_sm_start_wait);
3187                 break;
3188
3189         case TX_E_BW_UPDATE:
3190                 /* No-op */
3191                 break;
3192
3193         default:
3194                 bfa_sm_fault(event);
3195         }
3196 }
3197
3198 static void
3199 bna_bfi_tx_enet_start(struct bna_tx *tx)
3200 {
3201         struct bfi_enet_tx_cfg_req *cfg_req = &tx->bfi_enet_cmd.cfg_req;
3202         struct bna_txq *txq = NULL;
3203         struct list_head *qe;
3204         int i;
3205
3206         bfi_msgq_mhdr_set(cfg_req->mh, BFI_MC_ENET,
3207                 BFI_ENET_H2I_TX_CFG_SET_REQ, 0, tx->rid);
3208         cfg_req->mh.num_entries = htons(
3209                 bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_tx_cfg_req)));
3210
3211         cfg_req->num_queues = tx->num_txq;
3212         for (i = 0, qe = bfa_q_first(&tx->txq_q);
3213                 i < tx->num_txq;
3214                 i++, qe = bfa_q_next(qe)) {
3215                 txq = (struct bna_txq *)qe;
3216
3217                 bfi_enet_datapath_q_init(&cfg_req->q_cfg[i].q.q, &txq->qpt);
3218                 cfg_req->q_cfg[i].q.priority = txq->priority;
3219
3220                 cfg_req->q_cfg[i].ib.index_addr.a32.addr_lo =
3221                         txq->ib.ib_seg_host_addr.lsb;
3222                 cfg_req->q_cfg[i].ib.index_addr.a32.addr_hi =
3223                         txq->ib.ib_seg_host_addr.msb;
3224                 cfg_req->q_cfg[i].ib.intr.msix_index =
3225                         htons((u16)txq->ib.intr_vector);
3226         }
3227
3228         cfg_req->ib_cfg.int_pkt_dma = BNA_STATUS_T_ENABLED;
3229         cfg_req->ib_cfg.int_enabled = BNA_STATUS_T_ENABLED;
3230         cfg_req->ib_cfg.int_pkt_enabled = BNA_STATUS_T_DISABLED;
3231         cfg_req->ib_cfg.continuous_coalescing = BNA_STATUS_T_ENABLED;
3232         cfg_req->ib_cfg.msix = (txq->ib.intr_type == BNA_INTR_T_MSIX)
3233                                 ? BNA_STATUS_T_ENABLED : BNA_STATUS_T_DISABLED;
3234         cfg_req->ib_cfg.coalescing_timeout =
3235                         htonl((u32)txq->ib.coalescing_timeo);
3236         cfg_req->ib_cfg.inter_pkt_timeout =
3237                         htonl((u32)txq->ib.interpkt_timeo);
3238         cfg_req->ib_cfg.inter_pkt_count = (u8)txq->ib.interpkt_count;
3239
3240         cfg_req->tx_cfg.vlan_mode = BFI_ENET_TX_VLAN_WI;
3241         cfg_req->tx_cfg.vlan_id = htons((u16)tx->txf_vlan_id);
3242         cfg_req->tx_cfg.admit_tagged_frame = BNA_STATUS_T_DISABLED;
3243         cfg_req->tx_cfg.apply_vlan_filter = BNA_STATUS_T_DISABLED;
3244
3245         bfa_msgq_cmd_set(&tx->msgq_cmd, NULL, NULL,
3246                 sizeof(struct bfi_enet_tx_cfg_req), &cfg_req->mh);
3247         bfa_msgq_cmd_post(&tx->bna->msgq, &tx->msgq_cmd);
3248 }
3249
3250 static void
3251 bna_bfi_tx_enet_stop(struct bna_tx *tx)
3252 {
3253         struct bfi_enet_req *req = &tx->bfi_enet_cmd.req;
3254
3255         bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
3256                 BFI_ENET_H2I_TX_CFG_CLR_REQ, 0, tx->rid);
3257         req->mh.num_entries = htons(
3258                 bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_req)));
3259         bfa_msgq_cmd_set(&tx->msgq_cmd, NULL, NULL, sizeof(struct bfi_enet_req),
3260                 &req->mh);
3261         bfa_msgq_cmd_post(&tx->bna->msgq, &tx->msgq_cmd);
3262 }
3263
3264 static void
3265 bna_tx_enet_stop(struct bna_tx *tx)
3266 {
3267         struct bna_txq *txq;
3268         struct list_head                 *qe;
3269
3270         /* Stop IB */
3271         list_for_each(qe, &tx->txq_q) {
3272                 txq = (struct bna_txq *)qe;
3273                 bna_ib_stop(tx->bna, &txq->ib);
3274         }
3275
3276         bna_bfi_tx_enet_stop(tx);
3277 }
3278
3279 static void
3280 bna_txq_qpt_setup(struct bna_txq *txq, int page_count, int page_size,
3281                 struct bna_mem_descr *qpt_mem,
3282                 struct bna_mem_descr *swqpt_mem,
3283                 struct bna_mem_descr *page_mem)
3284 {
3285         u8 *kva;
3286         u64 dma;
3287         struct bna_dma_addr bna_dma;
3288         int i;
3289
3290         txq->qpt.hw_qpt_ptr.lsb = qpt_mem->dma.lsb;
3291         txq->qpt.hw_qpt_ptr.msb = qpt_mem->dma.msb;
3292         txq->qpt.kv_qpt_ptr = qpt_mem->kva;
3293         txq->qpt.page_count = page_count;
3294         txq->qpt.page_size = page_size;
3295
3296         txq->tcb->sw_qpt = (void **) swqpt_mem->kva;
3297         txq->tcb->sw_q = page_mem->kva;
3298
3299         kva = page_mem->kva;
3300         BNA_GET_DMA_ADDR(&page_mem->dma, dma);
3301
3302         for (i = 0; i < page_count; i++) {
3303                 txq->tcb->sw_qpt[i] = kva;
3304                 kva += PAGE_SIZE;
3305
3306                 BNA_SET_DMA_ADDR(dma, &bna_dma);
3307                 ((struct bna_dma_addr *)txq->qpt.kv_qpt_ptr)[i].lsb =
3308                         bna_dma.lsb;
3309                 ((struct bna_dma_addr *)txq->qpt.kv_qpt_ptr)[i].msb =
3310                         bna_dma.msb;
3311                 dma += PAGE_SIZE;
3312         }
3313 }
3314
3315 static struct bna_tx *
3316 bna_tx_get(struct bna_tx_mod *tx_mod, enum bna_tx_type type)
3317 {
3318         struct list_head        *qe = NULL;
3319         struct bna_tx *tx = NULL;
3320
3321         if (list_empty(&tx_mod->tx_free_q))
3322                 return NULL;
3323         if (type == BNA_TX_T_REGULAR) {
3324                 bfa_q_deq(&tx_mod->tx_free_q, &qe);
3325         } else {
3326                 bfa_q_deq_tail(&tx_mod->tx_free_q, &qe);
3327         }
3328         tx = (struct bna_tx *)qe;
3329         bfa_q_qe_init(&tx->qe);
3330         tx->type = type;
3331
3332         return tx;
3333 }
3334
3335 static void
3336 bna_tx_free(struct bna_tx *tx)
3337 {
3338         struct bna_tx_mod *tx_mod = &tx->bna->tx_mod;
3339         struct bna_txq *txq;
3340         struct list_head *prev_qe;
3341         struct list_head *qe;
3342
3343         while (!list_empty(&tx->txq_q)) {
3344                 bfa_q_deq(&tx->txq_q, &txq);
3345                 bfa_q_qe_init(&txq->qe);
3346                 txq->tcb = NULL;
3347                 txq->tx = NULL;
3348                 list_add_tail(&txq->qe, &tx_mod->txq_free_q);
3349         }
3350
3351         list_for_each(qe, &tx_mod->tx_active_q) {
3352                 if (qe == &tx->qe) {
3353                         list_del(&tx->qe);
3354                         bfa_q_qe_init(&tx->qe);
3355                         break;
3356                 }
3357         }
3358
3359         tx->bna = NULL;
3360         tx->priv = NULL;
3361
3362         prev_qe = NULL;
3363         list_for_each(qe, &tx_mod->tx_free_q) {
3364                 if (((struct bna_tx *)qe)->rid < tx->rid)
3365                         prev_qe = qe;
3366                 else {
3367                         break;
3368                 }
3369         }
3370
3371         if (prev_qe == NULL) {
3372                 /* This is the first entry */
3373                 bfa_q_enq_head(&tx_mod->tx_free_q, &tx->qe);
3374         } else if (bfa_q_next(prev_qe) == &tx_mod->tx_free_q) {
3375                 /* This is the last entry */
3376                 list_add_tail(&tx->qe, &tx_mod->tx_free_q);
3377         } else {
3378                 /* Somewhere in the middle */
3379                 bfa_q_next(&tx->qe) = bfa_q_next(prev_qe);
3380                 bfa_q_prev(&tx->qe) = prev_qe;
3381                 bfa_q_next(prev_qe) = &tx->qe;
3382                 bfa_q_prev(bfa_q_next(&tx->qe)) = &tx->qe;
3383         }
3384 }
3385
3386 static void
3387 bna_tx_start(struct bna_tx *tx)
3388 {
3389         tx->flags |= BNA_TX_F_ENET_STARTED;
3390         if (tx->flags & BNA_TX_F_ENABLED)
3391                 bfa_fsm_send_event(tx, TX_E_START);
3392 }
3393
3394 static void
3395 bna_tx_stop(struct bna_tx *tx)
3396 {
3397         tx->stop_cbfn = bna_tx_mod_cb_tx_stopped;
3398         tx->stop_cbarg = &tx->bna->tx_mod;
3399
3400         tx->flags &= ~BNA_TX_F_ENET_STARTED;
3401         bfa_fsm_send_event(tx, TX_E_STOP);
3402 }
3403
3404 static void
3405 bna_tx_fail(struct bna_tx *tx)
3406 {
3407         tx->flags &= ~BNA_TX_F_ENET_STARTED;
3408         bfa_fsm_send_event(tx, TX_E_FAIL);
3409 }
3410
3411 void
3412 bna_bfi_tx_enet_start_rsp(struct bna_tx *tx, struct bfi_msgq_mhdr *msghdr)
3413 {
3414         struct bfi_enet_tx_cfg_rsp *cfg_rsp = &tx->bfi_enet_cmd.cfg_rsp;
3415         struct bna_txq *txq = NULL;
3416         struct list_head *qe;
3417         int i;
3418
3419         bfa_msgq_rsp_copy(&tx->bna->msgq, (u8 *)cfg_rsp,
3420                 sizeof(struct bfi_enet_tx_cfg_rsp));
3421
3422         tx->hw_id = cfg_rsp->hw_id;
3423
3424         for (i = 0, qe = bfa_q_first(&tx->txq_q);
3425                 i < tx->num_txq; i++, qe = bfa_q_next(qe)) {
3426                 txq = (struct bna_txq *)qe;
3427
3428                 /* Setup doorbells */
3429                 txq->tcb->i_dbell->doorbell_addr =
3430                         tx->bna->pcidev.pci_bar_kva
3431                         + ntohl(cfg_rsp->q_handles[i].i_dbell);
3432                 txq->tcb->q_dbell =
3433                         tx->bna->pcidev.pci_bar_kva
3434                         + ntohl(cfg_rsp->q_handles[i].q_dbell);
3435                 txq->hw_id = cfg_rsp->q_handles[i].hw_qid;
3436
3437                 /* Initialize producer/consumer indexes */
3438                 (*txq->tcb->hw_consumer_index) = 0;
3439                 txq->tcb->producer_index = txq->tcb->consumer_index = 0;
3440         }
3441
3442         bfa_fsm_send_event(tx, TX_E_STARTED);
3443 }
3444
3445 void
3446 bna_bfi_tx_enet_stop_rsp(struct bna_tx *tx, struct bfi_msgq_mhdr *msghdr)
3447 {
3448         bfa_fsm_send_event(tx, TX_E_STOPPED);
3449 }
3450
3451 void
3452 bna_bfi_bw_update_aen(struct bna_tx_mod *tx_mod)
3453 {
3454         struct bna_tx *tx;
3455         struct list_head                *qe;
3456
3457         list_for_each(qe, &tx_mod->tx_active_q) {
3458                 tx = (struct bna_tx *)qe;
3459                 bfa_fsm_send_event(tx, TX_E_BW_UPDATE);
3460         }
3461 }
3462
3463 void
3464 bna_tx_res_req(int num_txq, int txq_depth, struct bna_res_info *res_info)
3465 {
3466         u32 q_size;
3467         u32 page_count;
3468         struct bna_mem_info *mem_info;
3469
3470         res_info[BNA_TX_RES_MEM_T_TCB].res_type = BNA_RES_T_MEM;
3471         mem_info = &res_info[BNA_TX_RES_MEM_T_TCB].res_u.mem_info;
3472         mem_info->mem_type = BNA_MEM_T_KVA;
3473         mem_info->len = sizeof(struct bna_tcb);
3474         mem_info->num = num_txq;
3475
3476         q_size = txq_depth * BFI_TXQ_WI_SIZE;
3477         q_size = ALIGN(q_size, PAGE_SIZE);
3478         page_count = q_size >> PAGE_SHIFT;
3479
3480         res_info[BNA_TX_RES_MEM_T_QPT].res_type = BNA_RES_T_MEM;
3481         mem_info = &res_info[BNA_TX_RES_MEM_T_QPT].res_u.mem_info;
3482         mem_info->mem_type = BNA_MEM_T_DMA;
3483         mem_info->len = page_count * sizeof(struct bna_dma_addr);
3484         mem_info->num = num_txq;
3485
3486         res_info[BNA_TX_RES_MEM_T_SWQPT].res_type = BNA_RES_T_MEM;
3487         mem_info = &res_info[BNA_TX_RES_MEM_T_SWQPT].res_u.mem_info;
3488         mem_info->mem_type = BNA_MEM_T_KVA;
3489         mem_info->len = page_count * sizeof(void *);
3490         mem_info->num = num_txq;
3491
3492         res_info[BNA_TX_RES_MEM_T_PAGE].res_type = BNA_RES_T_MEM;
3493         mem_info = &res_info[BNA_TX_RES_MEM_T_PAGE].res_u.mem_info;
3494         mem_info->mem_type = BNA_MEM_T_DMA;
3495         mem_info->len = PAGE_SIZE * page_count;
3496         mem_info->num = num_txq;
3497
3498         res_info[BNA_TX_RES_MEM_T_IBIDX].res_type = BNA_RES_T_MEM;
3499         mem_info = &res_info[BNA_TX_RES_MEM_T_IBIDX].res_u.mem_info;
3500         mem_info->mem_type = BNA_MEM_T_DMA;
3501         mem_info->len = BFI_IBIDX_SIZE;
3502         mem_info->num = num_txq;
3503
3504         res_info[BNA_TX_RES_INTR_T_TXCMPL].res_type = BNA_RES_T_INTR;
3505         res_info[BNA_TX_RES_INTR_T_TXCMPL].res_u.intr_info.intr_type =
3506                         BNA_INTR_T_MSIX;
3507         res_info[BNA_TX_RES_INTR_T_TXCMPL].res_u.intr_info.num = num_txq;
3508 }
3509
3510 struct bna_tx *
3511 bna_tx_create(struct bna *bna, struct bnad *bnad,
3512                 struct bna_tx_config *tx_cfg,
3513                 const struct bna_tx_event_cbfn *tx_cbfn,
3514                 struct bna_res_info *res_info, void *priv)
3515 {
3516         struct bna_intr_info *intr_info;
3517         struct bna_tx_mod *tx_mod = &bna->tx_mod;
3518         struct bna_tx *tx;
3519         struct bna_txq *txq;
3520         struct list_head *qe;
3521         int page_count;
3522         int i;
3523
3524         intr_info = &res_info[BNA_TX_RES_INTR_T_TXCMPL].res_u.intr_info;
3525         page_count = (res_info[BNA_TX_RES_MEM_T_PAGE].res_u.mem_info.len) /
3526                                         PAGE_SIZE;
3527
3528         /**
3529          * Get resources
3530          */
3531
3532         if ((intr_info->num != 1) && (intr_info->num != tx_cfg->num_txq))
3533                 return NULL;
3534
3535         /* Tx */
3536
3537         tx = bna_tx_get(tx_mod, tx_cfg->tx_type);
3538         if (!tx)
3539                 return NULL;
3540         tx->bna = bna;
3541         tx->priv = priv;
3542
3543         /* TxQs */
3544
3545         INIT_LIST_HEAD(&tx->txq_q);
3546         for (i = 0; i < tx_cfg->num_txq; i++) {
3547                 if (list_empty(&tx_mod->txq_free_q))
3548                         goto err_return;
3549
3550                 bfa_q_deq(&tx_mod->txq_free_q, &txq);
3551                 bfa_q_qe_init(&txq->qe);
3552                 list_add_tail(&txq->qe, &tx->txq_q);
3553                 txq->tx = tx;
3554         }
3555
3556         /*
3557          * Initialize
3558          */
3559
3560         /* Tx */
3561
3562         tx->tcb_setup_cbfn = tx_cbfn->tcb_setup_cbfn;
3563         tx->tcb_destroy_cbfn = tx_cbfn->tcb_destroy_cbfn;
3564         /* Following callbacks are mandatory */
3565         tx->tx_stall_cbfn = tx_cbfn->tx_stall_cbfn;
3566         tx->tx_resume_cbfn = tx_cbfn->tx_resume_cbfn;
3567         tx->tx_cleanup_cbfn = tx_cbfn->tx_cleanup_cbfn;
3568
3569         list_add_tail(&tx->qe, &tx_mod->tx_active_q);
3570
3571         tx->num_txq = tx_cfg->num_txq;
3572
3573         tx->flags = 0;
3574         if (tx->bna->tx_mod.flags & BNA_TX_MOD_F_ENET_STARTED) {
3575                 switch (tx->type) {
3576                 case BNA_TX_T_REGULAR:
3577                         if (!(tx->bna->tx_mod.flags &
3578                                 BNA_TX_MOD_F_ENET_LOOPBACK))
3579                                 tx->flags |= BNA_TX_F_ENET_STARTED;
3580                         break;
3581                 case BNA_TX_T_LOOPBACK:
3582                         if (tx->bna->tx_mod.flags & BNA_TX_MOD_F_ENET_LOOPBACK)
3583                                 tx->flags |= BNA_TX_F_ENET_STARTED;
3584                         break;
3585                 }
3586         }
3587
3588         /* TxQ */
3589
3590         i = 0;
3591         list_for_each(qe, &tx->txq_q) {
3592                 txq = (struct bna_txq *)qe;
3593                 txq->tcb = (struct bna_tcb *)
3594                 res_info[BNA_TX_RES_MEM_T_TCB].res_u.mem_info.mdl[i].kva;
3595                 txq->tx_packets = 0;
3596                 txq->tx_bytes = 0;
3597
3598                 /* IB */
3599                 txq->ib.ib_seg_host_addr.lsb =
3600                 res_info[BNA_TX_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].dma.lsb;
3601                 txq->ib.ib_seg_host_addr.msb =
3602                 res_info[BNA_TX_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].dma.msb;
3603                 txq->ib.ib_seg_host_addr_kva =
3604                 res_info[BNA_TX_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].kva;
3605                 txq->ib.intr_type = intr_info->intr_type;
3606                 txq->ib.intr_vector = (intr_info->num == 1) ?
3607                                         intr_info->idl[0].vector :
3608                                         intr_info->idl[i].vector;
3609                 if (intr_info->intr_type == BNA_INTR_T_INTX)
3610                         txq->ib.intr_vector = (1 <<  txq->ib.intr_vector);
3611                 txq->ib.coalescing_timeo = tx_cfg->coalescing_timeo;
3612                 txq->ib.interpkt_timeo = BFI_TX_INTERPKT_TIMEO;
3613                 txq->ib.interpkt_count = BFI_TX_INTERPKT_COUNT;
3614
3615                 /* TCB */
3616
3617                 txq->tcb->q_depth = tx_cfg->txq_depth;
3618                 txq->tcb->unmap_q = (void *)
3619                 res_info[BNA_TX_RES_MEM_T_UNMAPQ].res_u.mem_info.mdl[i].kva;
3620                 txq->tcb->hw_consumer_index =
3621                         (u32 *)txq->ib.ib_seg_host_addr_kva;
3622                 txq->tcb->i_dbell = &txq->ib.door_bell;
3623                 txq->tcb->intr_type = txq->ib.intr_type;
3624                 txq->tcb->intr_vector = txq->ib.intr_vector;
3625                 txq->tcb->txq = txq;
3626                 txq->tcb->bnad = bnad;
3627                 txq->tcb->id = i;
3628
3629                 /* QPT, SWQPT, Pages */
3630                 bna_txq_qpt_setup(txq, page_count, PAGE_SIZE,
3631                         &res_info[BNA_TX_RES_MEM_T_QPT].res_u.mem_info.mdl[i],
3632                         &res_info[BNA_TX_RES_MEM_T_SWQPT].res_u.mem_info.mdl[i],
3633                         &res_info[BNA_TX_RES_MEM_T_PAGE].
3634                                   res_u.mem_info.mdl[i]);
3635
3636                 /* Callback to bnad for setting up TCB */
3637                 if (tx->tcb_setup_cbfn)
3638                         (tx->tcb_setup_cbfn)(bna->bnad, txq->tcb);
3639
3640                 if (tx_cfg->num_txq == BFI_TX_MAX_PRIO)
3641                         txq->priority = txq->tcb->id;
3642                 else
3643                         txq->priority = tx_mod->default_prio;
3644
3645                 i++;
3646         }
3647
3648         tx->txf_vlan_id = 0;
3649
3650         bfa_fsm_set_state(tx, bna_tx_sm_stopped);
3651
3652         tx_mod->rid_mask |= (1 << tx->rid);
3653
3654         return tx;
3655
3656 err_return:
3657         bna_tx_free(tx);
3658         return NULL;
3659 }
3660
3661 void
3662 bna_tx_destroy(struct bna_tx *tx)
3663 {
3664         struct bna_txq *txq;
3665         struct list_head *qe;
3666
3667         list_for_each(qe, &tx->txq_q) {
3668                 txq = (struct bna_txq *)qe;
3669                 if (tx->tcb_destroy_cbfn)
3670                         (tx->tcb_destroy_cbfn)(tx->bna->bnad, txq->tcb);
3671         }
3672
3673         tx->bna->tx_mod.rid_mask &= ~(1 << tx->rid);
3674         bna_tx_free(tx);
3675 }
3676
3677 void
3678 bna_tx_enable(struct bna_tx *tx)
3679 {
3680         if (tx->fsm != (bfa_sm_t)bna_tx_sm_stopped)
3681                 return;
3682
3683         tx->flags |= BNA_TX_F_ENABLED;
3684
3685         if (tx->flags & BNA_TX_F_ENET_STARTED)
3686                 bfa_fsm_send_event(tx, TX_E_START);
3687 }
3688
3689 void
3690 bna_tx_disable(struct bna_tx *tx, enum bna_cleanup_type type,
3691                 void (*cbfn)(void *, struct bna_tx *))
3692 {
3693         if (type == BNA_SOFT_CLEANUP) {
3694                 (*cbfn)(tx->bna->bnad, tx);
3695                 return;
3696         }
3697
3698         tx->stop_cbfn = cbfn;
3699         tx->stop_cbarg = tx->bna->bnad;
3700
3701         tx->flags &= ~BNA_TX_F_ENABLED;
3702
3703         bfa_fsm_send_event(tx, TX_E_STOP);
3704 }
3705
3706 void
3707 bna_tx_cleanup_complete(struct bna_tx *tx)
3708 {
3709         bfa_fsm_send_event(tx, TX_E_CLEANUP_DONE);
3710 }
3711
3712 static void
3713 bna_tx_mod_cb_tx_stopped(void *arg, struct bna_tx *tx)
3714 {
3715         struct bna_tx_mod *tx_mod = (struct bna_tx_mod *)arg;
3716
3717         bfa_wc_down(&tx_mod->tx_stop_wc);
3718 }
3719
3720 static void
3721 bna_tx_mod_cb_tx_stopped_all(void *arg)
3722 {
3723         struct bna_tx_mod *tx_mod = (struct bna_tx_mod *)arg;
3724
3725         if (tx_mod->stop_cbfn)
3726                 tx_mod->stop_cbfn(&tx_mod->bna->enet);
3727         tx_mod->stop_cbfn = NULL;
3728 }
3729
3730 void
3731 bna_tx_mod_init(struct bna_tx_mod *tx_mod, struct bna *bna,
3732                 struct bna_res_info *res_info)
3733 {
3734         int i;
3735
3736         tx_mod->bna = bna;
3737         tx_mod->flags = 0;
3738
3739         tx_mod->tx = (struct bna_tx *)
3740                 res_info[BNA_MOD_RES_MEM_T_TX_ARRAY].res_u.mem_info.mdl[0].kva;
3741         tx_mod->txq = (struct bna_txq *)
3742                 res_info[BNA_MOD_RES_MEM_T_TXQ_ARRAY].res_u.mem_info.mdl[0].kva;
3743
3744         INIT_LIST_HEAD(&tx_mod->tx_free_q);
3745         INIT_LIST_HEAD(&tx_mod->tx_active_q);
3746
3747         INIT_LIST_HEAD(&tx_mod->txq_free_q);
3748
3749         for (i = 0; i < bna->ioceth.attr.num_txq; i++) {
3750                 tx_mod->tx[i].rid = i;
3751                 bfa_q_qe_init(&tx_mod->tx[i].qe);
3752                 list_add_tail(&tx_mod->tx[i].qe, &tx_mod->tx_free_q);
3753                 bfa_q_qe_init(&tx_mod->txq[i].qe);
3754                 list_add_tail(&tx_mod->txq[i].qe, &tx_mod->txq_free_q);
3755         }
3756
3757         tx_mod->prio_map = BFI_TX_PRIO_MAP_ALL;
3758         tx_mod->default_prio = 0;
3759         tx_mod->iscsi_over_cee = BNA_STATUS_T_DISABLED;
3760         tx_mod->iscsi_prio = -1;
3761 }
3762
3763 void
3764 bna_tx_mod_uninit(struct bna_tx_mod *tx_mod)
3765 {
3766         struct list_head                *qe;
3767         int i;
3768
3769         i = 0;
3770         list_for_each(qe, &tx_mod->tx_free_q)
3771                 i++;
3772
3773         i = 0;
3774         list_for_each(qe, &tx_mod->txq_free_q)
3775                 i++;
3776
3777         tx_mod->bna = NULL;
3778 }
3779
3780 void
3781 bna_tx_mod_start(struct bna_tx_mod *tx_mod, enum bna_tx_type type)
3782 {
3783         struct bna_tx *tx;
3784         struct list_head                *qe;
3785
3786         tx_mod->flags |= BNA_TX_MOD_F_ENET_STARTED;
3787         if (type == BNA_TX_T_LOOPBACK)
3788                 tx_mod->flags |= BNA_TX_MOD_F_ENET_LOOPBACK;
3789
3790         list_for_each(qe, &tx_mod->tx_active_q) {
3791                 tx = (struct bna_tx *)qe;
3792                 if (tx->type == type)
3793                         bna_tx_start(tx);
3794         }
3795 }
3796
3797 void
3798 bna_tx_mod_stop(struct bna_tx_mod *tx_mod, enum bna_tx_type type)
3799 {
3800         struct bna_tx *tx;
3801         struct list_head                *qe;
3802
3803         tx_mod->flags &= ~BNA_TX_MOD_F_ENET_STARTED;
3804         tx_mod->flags &= ~BNA_TX_MOD_F_ENET_LOOPBACK;
3805
3806         tx_mod->stop_cbfn = bna_enet_cb_tx_stopped;
3807
3808         bfa_wc_init(&tx_mod->tx_stop_wc, bna_tx_mod_cb_tx_stopped_all, tx_mod);
3809
3810         list_for_each(qe, &tx_mod->tx_active_q) {
3811                 tx = (struct bna_tx *)qe;
3812                 if (tx->type == type) {
3813                         bfa_wc_up(&tx_mod->tx_stop_wc);
3814                         bna_tx_stop(tx);
3815                 }
3816         }
3817
3818         bfa_wc_wait(&tx_mod->tx_stop_wc);
3819 }
3820
3821 void
3822 bna_tx_mod_fail(struct bna_tx_mod *tx_mod)
3823 {
3824         struct bna_tx *tx;
3825         struct list_head                *qe;
3826
3827         tx_mod->flags &= ~BNA_TX_MOD_F_ENET_STARTED;
3828         tx_mod->flags &= ~BNA_TX_MOD_F_ENET_LOOPBACK;
3829
3830         list_for_each(qe, &tx_mod->tx_active_q) {
3831                 tx = (struct bna_tx *)qe;
3832                 bna_tx_fail(tx);
3833         }
3834 }
3835
3836 void
3837 bna_tx_coalescing_timeo_set(struct bna_tx *tx, int coalescing_timeo)
3838 {
3839         struct bna_txq *txq;
3840         struct list_head *qe;
3841
3842         list_for_each(qe, &tx->txq_q) {
3843                 txq = (struct bna_txq *)qe;
3844                 bna_ib_coalescing_timeo_set(&txq->ib, coalescing_timeo);
3845         }
3846 }