1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Linux network driver for QLogic BR-series Converged Network Adapter.
4 */
5 /*
6 * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
7 * Copyright (c) 2014-2015 QLogic Corporation
8 * All rights reserved
9 * www.qlogic.com
10 */
11 #include "bna.h"
12 #include "bfi.h"
13
14 /* IB */
15 static void
bna_ib_coalescing_timeo_set(struct bna_ib * ib,u8 coalescing_timeo)16 bna_ib_coalescing_timeo_set(struct bna_ib *ib, u8 coalescing_timeo)
17 {
18 ib->coalescing_timeo = coalescing_timeo;
19 ib->door_bell.doorbell_ack = BNA_DOORBELL_IB_INT_ACK(
20 (u32)ib->coalescing_timeo, 0);
21 }
22
23 /* RXF */
24
25 #define bna_rxf_vlan_cfg_soft_reset(rxf) \
26 do { \
27 (rxf)->vlan_pending_bitmask = (u8)BFI_VLAN_BMASK_ALL; \
28 (rxf)->vlan_strip_pending = true; \
29 } while (0)
30
31 #define bna_rxf_rss_cfg_soft_reset(rxf) \
32 do { \
33 if ((rxf)->rss_status == BNA_STATUS_T_ENABLED) \
34 (rxf)->rss_pending = (BNA_RSS_F_RIT_PENDING | \
35 BNA_RSS_F_CFG_PENDING | \
36 BNA_RSS_F_STATUS_PENDING); \
37 } while (0)
38
39 static int bna_rxf_cfg_apply(struct bna_rxf *rxf);
40 static void bna_rxf_cfg_reset(struct bna_rxf *rxf);
41 static int bna_rxf_ucast_cfg_apply(struct bna_rxf *rxf);
42 static int bna_rxf_promisc_cfg_apply(struct bna_rxf *rxf);
43 static int bna_rxf_allmulti_cfg_apply(struct bna_rxf *rxf);
44 static int bna_rxf_vlan_strip_cfg_apply(struct bna_rxf *rxf);
45 static int bna_rxf_ucast_cfg_reset(struct bna_rxf *rxf,
46 enum bna_cleanup_type cleanup);
47 static int bna_rxf_promisc_cfg_reset(struct bna_rxf *rxf,
48 enum bna_cleanup_type cleanup);
49 static int bna_rxf_allmulti_cfg_reset(struct bna_rxf *rxf,
50 enum bna_cleanup_type cleanup);
51
52 bfa_fsm_state_decl(bna_rxf, stopped, struct bna_rxf,
53 enum bna_rxf_event);
54 bfa_fsm_state_decl(bna_rxf, cfg_wait, struct bna_rxf,
55 enum bna_rxf_event);
56 bfa_fsm_state_decl(bna_rxf, started, struct bna_rxf,
57 enum bna_rxf_event);
58 bfa_fsm_state_decl(bna_rxf, last_resp_wait, struct bna_rxf,
59 enum bna_rxf_event);
60
61 static void
bna_rxf_sm_stopped_entry(struct bna_rxf * rxf)62 bna_rxf_sm_stopped_entry(struct bna_rxf *rxf)
63 {
64 call_rxf_stop_cbfn(rxf);
65 }
66
67 static void
bna_rxf_sm_stopped(struct bna_rxf * rxf,enum bna_rxf_event event)68 bna_rxf_sm_stopped(struct bna_rxf *rxf, enum bna_rxf_event event)
69 {
70 switch (event) {
71 case RXF_E_START:
72 bfa_fsm_set_state(rxf, bna_rxf_sm_cfg_wait);
73 break;
74
75 case RXF_E_STOP:
76 call_rxf_stop_cbfn(rxf);
77 break;
78
79 case RXF_E_FAIL:
80 /* No-op */
81 break;
82
83 case RXF_E_CONFIG:
84 call_rxf_cam_fltr_cbfn(rxf);
85 break;
86
87 default:
88 bfa_sm_fault(event);
89 }
90 }
91
92 static void
bna_rxf_sm_cfg_wait_entry(struct bna_rxf * rxf)93 bna_rxf_sm_cfg_wait_entry(struct bna_rxf *rxf)
94 {
95 if (!bna_rxf_cfg_apply(rxf)) {
96 /* No more pending config updates */
97 bfa_fsm_set_state(rxf, bna_rxf_sm_started);
98 }
99 }
100
101 static void
bna_rxf_sm_cfg_wait(struct bna_rxf * rxf,enum bna_rxf_event event)102 bna_rxf_sm_cfg_wait(struct bna_rxf *rxf, enum bna_rxf_event event)
103 {
104 switch (event) {
105 case RXF_E_STOP:
106 bfa_fsm_set_state(rxf, bna_rxf_sm_last_resp_wait);
107 break;
108
109 case RXF_E_FAIL:
110 bna_rxf_cfg_reset(rxf);
111 call_rxf_start_cbfn(rxf);
112 call_rxf_cam_fltr_cbfn(rxf);
113 bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
114 break;
115
116 case RXF_E_CONFIG:
117 /* No-op */
118 break;
119
120 case RXF_E_FW_RESP:
121 if (!bna_rxf_cfg_apply(rxf)) {
122 /* No more pending config updates */
123 bfa_fsm_set_state(rxf, bna_rxf_sm_started);
124 }
125 break;
126
127 default:
128 bfa_sm_fault(event);
129 }
130 }
131
132 static void
bna_rxf_sm_started_entry(struct bna_rxf * rxf)133 bna_rxf_sm_started_entry(struct bna_rxf *rxf)
134 {
135 call_rxf_start_cbfn(rxf);
136 call_rxf_cam_fltr_cbfn(rxf);
137 }
138
139 static void
bna_rxf_sm_started(struct bna_rxf * rxf,enum bna_rxf_event event)140 bna_rxf_sm_started(struct bna_rxf *rxf, enum bna_rxf_event event)
141 {
142 switch (event) {
143 case RXF_E_STOP:
144 case RXF_E_FAIL:
145 bna_rxf_cfg_reset(rxf);
146 bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
147 break;
148
149 case RXF_E_CONFIG:
150 bfa_fsm_set_state(rxf, bna_rxf_sm_cfg_wait);
151 break;
152
153 default:
154 bfa_sm_fault(event);
155 }
156 }
157
158 static void
bna_rxf_sm_last_resp_wait_entry(struct bna_rxf * rxf)159 bna_rxf_sm_last_resp_wait_entry(struct bna_rxf *rxf)
160 {
161 }
162
163 static void
bna_rxf_sm_last_resp_wait(struct bna_rxf * rxf,enum bna_rxf_event event)164 bna_rxf_sm_last_resp_wait(struct bna_rxf *rxf, enum bna_rxf_event event)
165 {
166 switch (event) {
167 case RXF_E_FAIL:
168 case RXF_E_FW_RESP:
169 bna_rxf_cfg_reset(rxf);
170 bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
171 break;
172
173 default:
174 bfa_sm_fault(event);
175 }
176 }
177
178 static void
bna_bfi_ucast_req(struct bna_rxf * rxf,struct bna_mac * mac,enum bfi_enet_h2i_msgs req_type)179 bna_bfi_ucast_req(struct bna_rxf *rxf, struct bna_mac *mac,
180 enum bfi_enet_h2i_msgs req_type)
181 {
182 struct bfi_enet_ucast_req *req = &rxf->bfi_enet_cmd.ucast_req;
183
184 bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET, req_type, 0, rxf->rx->rid);
185 req->mh.num_entries = htons(
186 bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_ucast_req)));
187 ether_addr_copy(req->mac_addr, mac->addr);
188 bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
189 sizeof(struct bfi_enet_ucast_req), &req->mh);
190 bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
191 }
192
193 static void
bna_bfi_mcast_add_req(struct bna_rxf * rxf,struct bna_mac * mac)194 bna_bfi_mcast_add_req(struct bna_rxf *rxf, struct bna_mac *mac)
195 {
196 struct bfi_enet_mcast_add_req *req =
197 &rxf->bfi_enet_cmd.mcast_add_req;
198
199 bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET, BFI_ENET_H2I_MAC_MCAST_ADD_REQ,
200 0, rxf->rx->rid);
201 req->mh.num_entries = htons(
202 bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_mcast_add_req)));
203 ether_addr_copy(req->mac_addr, mac->addr);
204 bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
205 sizeof(struct bfi_enet_mcast_add_req), &req->mh);
206 bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
207 }
208
209 static void
bna_bfi_mcast_del_req(struct bna_rxf * rxf,u16 handle)210 bna_bfi_mcast_del_req(struct bna_rxf *rxf, u16 handle)
211 {
212 struct bfi_enet_mcast_del_req *req =
213 &rxf->bfi_enet_cmd.mcast_del_req;
214
215 bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET, BFI_ENET_H2I_MAC_MCAST_DEL_REQ,
216 0, rxf->rx->rid);
217 req->mh.num_entries = htons(
218 bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_mcast_del_req)));
219 req->handle = htons(handle);
220 bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
221 sizeof(struct bfi_enet_mcast_del_req), &req->mh);
222 bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
223 }
224
225 static void
bna_bfi_mcast_filter_req(struct bna_rxf * rxf,enum bna_status status)226 bna_bfi_mcast_filter_req(struct bna_rxf *rxf, enum bna_status status)
227 {
228 struct bfi_enet_enable_req *req = &rxf->bfi_enet_cmd.req;
229
230 bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
231 BFI_ENET_H2I_MAC_MCAST_FILTER_REQ, 0, rxf->rx->rid);
232 req->mh.num_entries = htons(
233 bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_enable_req)));
234 req->enable = status;
235 bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
236 sizeof(struct bfi_enet_enable_req), &req->mh);
237 bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
238 }
239
240 static void
bna_bfi_rx_promisc_req(struct bna_rxf * rxf,enum bna_status status)241 bna_bfi_rx_promisc_req(struct bna_rxf *rxf, enum bna_status status)
242 {
243 struct bfi_enet_enable_req *req = &rxf->bfi_enet_cmd.req;
244
245 bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
246 BFI_ENET_H2I_RX_PROMISCUOUS_REQ, 0, rxf->rx->rid);
247 req->mh.num_entries = htons(
248 bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_enable_req)));
249 req->enable = status;
250 bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
251 sizeof(struct bfi_enet_enable_req), &req->mh);
252 bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
253 }
254
255 static void
bna_bfi_rx_vlan_filter_set(struct bna_rxf * rxf,u8 block_idx)256 bna_bfi_rx_vlan_filter_set(struct bna_rxf *rxf, u8 block_idx)
257 {
258 struct bfi_enet_rx_vlan_req *req = &rxf->bfi_enet_cmd.vlan_req;
259 int i;
260 int j;
261
262 bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
263 BFI_ENET_H2I_RX_VLAN_SET_REQ, 0, rxf->rx->rid);
264 req->mh.num_entries = htons(
265 bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_rx_vlan_req)));
266 req->block_idx = block_idx;
267 for (i = 0; i < (BFI_ENET_VLAN_BLOCK_SIZE / 32); i++) {
268 j = (block_idx * (BFI_ENET_VLAN_BLOCK_SIZE / 32)) + i;
269 if (rxf->vlan_filter_status == BNA_STATUS_T_ENABLED)
270 req->bit_mask[i] =
271 htonl(rxf->vlan_filter_table[j]);
272 else
273 req->bit_mask[i] = 0xFFFFFFFF;
274 }
275 bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
276 sizeof(struct bfi_enet_rx_vlan_req), &req->mh);
277 bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
278 }
279
280 static void
bna_bfi_vlan_strip_enable(struct bna_rxf * rxf)281 bna_bfi_vlan_strip_enable(struct bna_rxf *rxf)
282 {
283 struct bfi_enet_enable_req *req = &rxf->bfi_enet_cmd.req;
284
285 bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
286 BFI_ENET_H2I_RX_VLAN_STRIP_ENABLE_REQ, 0, rxf->rx->rid);
287 req->mh.num_entries = htons(
288 bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_enable_req)));
289 req->enable = rxf->vlan_strip_status;
290 bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
291 sizeof(struct bfi_enet_enable_req), &req->mh);
292 bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
293 }
294
295 static void
bna_bfi_rit_cfg(struct bna_rxf * rxf)296 bna_bfi_rit_cfg(struct bna_rxf *rxf)
297 {
298 struct bfi_enet_rit_req *req = &rxf->bfi_enet_cmd.rit_req;
299
300 bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
301 BFI_ENET_H2I_RIT_CFG_REQ, 0, rxf->rx->rid);
302 req->mh.num_entries = htons(
303 bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_rit_req)));
304 req->size = htons(rxf->rit_size);
305 memcpy(&req->table[0], rxf->rit, rxf->rit_size);
306 bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
307 sizeof(struct bfi_enet_rit_req), &req->mh);
308 bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
309 }
310
311 static void
bna_bfi_rss_cfg(struct bna_rxf * rxf)312 bna_bfi_rss_cfg(struct bna_rxf *rxf)
313 {
314 struct bfi_enet_rss_cfg_req *req = &rxf->bfi_enet_cmd.rss_req;
315 int i;
316
317 bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
318 BFI_ENET_H2I_RSS_CFG_REQ, 0, rxf->rx->rid);
319 req->mh.num_entries = htons(
320 bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_rss_cfg_req)));
321 req->cfg.type = rxf->rss_cfg.hash_type;
322 req->cfg.mask = rxf->rss_cfg.hash_mask;
323 for (i = 0; i < BFI_ENET_RSS_KEY_LEN; i++)
324 req->cfg.key[i] =
325 htonl(rxf->rss_cfg.toeplitz_hash_key[i]);
326 bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
327 sizeof(struct bfi_enet_rss_cfg_req), &req->mh);
328 bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
329 }
330
331 static void
bna_bfi_rss_enable(struct bna_rxf * rxf)332 bna_bfi_rss_enable(struct bna_rxf *rxf)
333 {
334 struct bfi_enet_enable_req *req = &rxf->bfi_enet_cmd.req;
335
336 bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
337 BFI_ENET_H2I_RSS_ENABLE_REQ, 0, rxf->rx->rid);
338 req->mh.num_entries = htons(
339 bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_enable_req)));
340 req->enable = rxf->rss_status;
341 bfa_msgq_cmd_set(&rxf->msgq_cmd, NULL, NULL,
342 sizeof(struct bfi_enet_enable_req), &req->mh);
343 bfa_msgq_cmd_post(&rxf->rx->bna->msgq, &rxf->msgq_cmd);
344 }
345
346 /* This function gets the multicast MAC that has already been added to CAM */
347 static struct bna_mac *
bna_rxf_mcmac_get(struct bna_rxf * rxf,const u8 * mac_addr)348 bna_rxf_mcmac_get(struct bna_rxf *rxf, const u8 *mac_addr)
349 {
350 struct bna_mac *mac;
351
352 list_for_each_entry(mac, &rxf->mcast_active_q, qe)
353 if (ether_addr_equal(mac->addr, mac_addr))
354 return mac;
355
356 list_for_each_entry(mac, &rxf->mcast_pending_del_q, qe)
357 if (ether_addr_equal(mac->addr, mac_addr))
358 return mac;
359
360 return NULL;
361 }
362
363 static struct bna_mcam_handle *
bna_rxf_mchandle_get(struct bna_rxf * rxf,int handle)364 bna_rxf_mchandle_get(struct bna_rxf *rxf, int handle)
365 {
366 struct bna_mcam_handle *mchandle;
367
368 list_for_each_entry(mchandle, &rxf->mcast_handle_q, qe)
369 if (mchandle->handle == handle)
370 return mchandle;
371
372 return NULL;
373 }
374
375 static void
bna_rxf_mchandle_attach(struct bna_rxf * rxf,u8 * mac_addr,int handle)376 bna_rxf_mchandle_attach(struct bna_rxf *rxf, u8 *mac_addr, int handle)
377 {
378 struct bna_mac *mcmac;
379 struct bna_mcam_handle *mchandle;
380
381 mcmac = bna_rxf_mcmac_get(rxf, mac_addr);
382 mchandle = bna_rxf_mchandle_get(rxf, handle);
383 if (mchandle == NULL) {
384 mchandle = bna_mcam_mod_handle_get(&rxf->rx->bna->mcam_mod);
385 mchandle->handle = handle;
386 mchandle->refcnt = 0;
387 list_add_tail(&mchandle->qe, &rxf->mcast_handle_q);
388 }
389 mchandle->refcnt++;
390 mcmac->handle = mchandle;
391 }
392
393 static int
bna_rxf_mcast_del(struct bna_rxf * rxf,struct bna_mac * mac,enum bna_cleanup_type cleanup)394 bna_rxf_mcast_del(struct bna_rxf *rxf, struct bna_mac *mac,
395 enum bna_cleanup_type cleanup)
396 {
397 struct bna_mcam_handle *mchandle;
398 int ret = 0;
399
400 mchandle = mac->handle;
401 if (mchandle == NULL)
402 return ret;
403
404 mchandle->refcnt--;
405 if (mchandle->refcnt == 0) {
406 if (cleanup == BNA_HARD_CLEANUP) {
407 bna_bfi_mcast_del_req(rxf, mchandle->handle);
408 ret = 1;
409 }
410 list_del(&mchandle->qe);
411 bna_mcam_mod_handle_put(&rxf->rx->bna->mcam_mod, mchandle);
412 }
413 mac->handle = NULL;
414
415 return ret;
416 }
417
418 static int
bna_rxf_mcast_cfg_apply(struct bna_rxf * rxf)419 bna_rxf_mcast_cfg_apply(struct bna_rxf *rxf)
420 {
421 struct bna_mac *mac = NULL;
422 int ret;
423
424 /* First delete multicast entries to maintain the count */
425 while (!list_empty(&rxf->mcast_pending_del_q)) {
426 mac = list_first_entry(&rxf->mcast_pending_del_q,
427 struct bna_mac, qe);
428 ret = bna_rxf_mcast_del(rxf, mac, BNA_HARD_CLEANUP);
429 list_move_tail(&mac->qe, bna_mcam_mod_del_q(rxf->rx->bna));
430 if (ret)
431 return ret;
432 }
433
434 /* Add multicast entries */
435 if (!list_empty(&rxf->mcast_pending_add_q)) {
436 mac = list_first_entry(&rxf->mcast_pending_add_q,
437 struct bna_mac, qe);
438 list_move_tail(&mac->qe, &rxf->mcast_active_q);
439 bna_bfi_mcast_add_req(rxf, mac);
440 return 1;
441 }
442
443 return 0;
444 }
445
446 static int
bna_rxf_vlan_cfg_apply(struct bna_rxf * rxf)447 bna_rxf_vlan_cfg_apply(struct bna_rxf *rxf)
448 {
449 u8 vlan_pending_bitmask;
450 int block_idx = 0;
451
452 if (rxf->vlan_pending_bitmask) {
453 vlan_pending_bitmask = rxf->vlan_pending_bitmask;
454 while (!(vlan_pending_bitmask & 0x1)) {
455 block_idx++;
456 vlan_pending_bitmask >>= 1;
457 }
458 rxf->vlan_pending_bitmask &= ~BIT(block_idx);
459 bna_bfi_rx_vlan_filter_set(rxf, block_idx);
460 return 1;
461 }
462
463 return 0;
464 }
465
466 static int
bna_rxf_mcast_cfg_reset(struct bna_rxf * rxf,enum bna_cleanup_type cleanup)467 bna_rxf_mcast_cfg_reset(struct bna_rxf *rxf, enum bna_cleanup_type cleanup)
468 {
469 struct bna_mac *mac;
470 int ret;
471
472 /* Throw away delete pending mcast entries */
473 while (!list_empty(&rxf->mcast_pending_del_q)) {
474 mac = list_first_entry(&rxf->mcast_pending_del_q,
475 struct bna_mac, qe);
476 ret = bna_rxf_mcast_del(rxf, mac, cleanup);
477 list_move_tail(&mac->qe, bna_mcam_mod_del_q(rxf->rx->bna));
478 if (ret)
479 return ret;
480 }
481
482 /* Move active mcast entries to pending_add_q */
483 while (!list_empty(&rxf->mcast_active_q)) {
484 mac = list_first_entry(&rxf->mcast_active_q,
485 struct bna_mac, qe);
486 list_move_tail(&mac->qe, &rxf->mcast_pending_add_q);
487 if (bna_rxf_mcast_del(rxf, mac, cleanup))
488 return 1;
489 }
490
491 return 0;
492 }
493
494 static int
bna_rxf_rss_cfg_apply(struct bna_rxf * rxf)495 bna_rxf_rss_cfg_apply(struct bna_rxf *rxf)
496 {
497 if (rxf->rss_pending) {
498 if (rxf->rss_pending & BNA_RSS_F_RIT_PENDING) {
499 rxf->rss_pending &= ~BNA_RSS_F_RIT_PENDING;
500 bna_bfi_rit_cfg(rxf);
501 return 1;
502 }
503
504 if (rxf->rss_pending & BNA_RSS_F_CFG_PENDING) {
505 rxf->rss_pending &= ~BNA_RSS_F_CFG_PENDING;
506 bna_bfi_rss_cfg(rxf);
507 return 1;
508 }
509
510 if (rxf->rss_pending & BNA_RSS_F_STATUS_PENDING) {
511 rxf->rss_pending &= ~BNA_RSS_F_STATUS_PENDING;
512 bna_bfi_rss_enable(rxf);
513 return 1;
514 }
515 }
516
517 return 0;
518 }
519
520 static int
bna_rxf_cfg_apply(struct bna_rxf * rxf)521 bna_rxf_cfg_apply(struct bna_rxf *rxf)
522 {
523 if (bna_rxf_ucast_cfg_apply(rxf))
524 return 1;
525
526 if (bna_rxf_mcast_cfg_apply(rxf))
527 return 1;
528
529 if (bna_rxf_promisc_cfg_apply(rxf))
530 return 1;
531
532 if (bna_rxf_allmulti_cfg_apply(rxf))
533 return 1;
534
535 if (bna_rxf_vlan_cfg_apply(rxf))
536 return 1;
537
538 if (bna_rxf_vlan_strip_cfg_apply(rxf))
539 return 1;
540
541 if (bna_rxf_rss_cfg_apply(rxf))
542 return 1;
543
544 return 0;
545 }
546
547 static void
bna_rxf_cfg_reset(struct bna_rxf * rxf)548 bna_rxf_cfg_reset(struct bna_rxf *rxf)
549 {
550 bna_rxf_ucast_cfg_reset(rxf, BNA_SOFT_CLEANUP);
551 bna_rxf_mcast_cfg_reset(rxf, BNA_SOFT_CLEANUP);
552 bna_rxf_promisc_cfg_reset(rxf, BNA_SOFT_CLEANUP);
553 bna_rxf_allmulti_cfg_reset(rxf, BNA_SOFT_CLEANUP);
554 bna_rxf_vlan_cfg_soft_reset(rxf);
555 bna_rxf_rss_cfg_soft_reset(rxf);
556 }
557
558 static void
bna_rit_init(struct bna_rxf * rxf,int rit_size)559 bna_rit_init(struct bna_rxf *rxf, int rit_size)
560 {
561 struct bna_rx *rx = rxf->rx;
562 struct bna_rxp *rxp;
563 int offset = 0;
564
565 rxf->rit_size = rit_size;
566 list_for_each_entry(rxp, &rx->rxp_q, qe) {
567 rxf->rit[offset] = rxp->cq.ccb->id;
568 offset++;
569 }
570 }
571
572 void
bna_bfi_rxf_cfg_rsp(struct bna_rxf * rxf,struct bfi_msgq_mhdr * msghdr)573 bna_bfi_rxf_cfg_rsp(struct bna_rxf *rxf, struct bfi_msgq_mhdr *msghdr)
574 {
575 bfa_fsm_send_event(rxf, RXF_E_FW_RESP);
576 }
577
578 void
bna_bfi_rxf_ucast_set_rsp(struct bna_rxf * rxf,struct bfi_msgq_mhdr * msghdr)579 bna_bfi_rxf_ucast_set_rsp(struct bna_rxf *rxf,
580 struct bfi_msgq_mhdr *msghdr)
581 {
582 struct bfi_enet_rsp *rsp =
583 container_of(msghdr, struct bfi_enet_rsp, mh);
584
585 if (rsp->error) {
586 /* Clear ucast from cache */
587 rxf->ucast_active_set = 0;
588 }
589
590 bfa_fsm_send_event(rxf, RXF_E_FW_RESP);
591 }
592
593 void
bna_bfi_rxf_mcast_add_rsp(struct bna_rxf * rxf,struct bfi_msgq_mhdr * msghdr)594 bna_bfi_rxf_mcast_add_rsp(struct bna_rxf *rxf,
595 struct bfi_msgq_mhdr *msghdr)
596 {
597 struct bfi_enet_mcast_add_req *req =
598 &rxf->bfi_enet_cmd.mcast_add_req;
599 struct bfi_enet_mcast_add_rsp *rsp =
600 container_of(msghdr, struct bfi_enet_mcast_add_rsp, mh);
601
602 bna_rxf_mchandle_attach(rxf, (u8 *)&req->mac_addr,
603 ntohs(rsp->handle));
604 bfa_fsm_send_event(rxf, RXF_E_FW_RESP);
605 }
606
607 static void
bna_rxf_init(struct bna_rxf * rxf,struct bna_rx * rx,struct bna_rx_config * q_config,struct bna_res_info * res_info)608 bna_rxf_init(struct bna_rxf *rxf,
609 struct bna_rx *rx,
610 struct bna_rx_config *q_config,
611 struct bna_res_info *res_info)
612 {
613 rxf->rx = rx;
614
615 INIT_LIST_HEAD(&rxf->ucast_pending_add_q);
616 INIT_LIST_HEAD(&rxf->ucast_pending_del_q);
617 rxf->ucast_pending_set = 0;
618 rxf->ucast_active_set = 0;
619 INIT_LIST_HEAD(&rxf->ucast_active_q);
620 rxf->ucast_pending_mac = NULL;
621
622 INIT_LIST_HEAD(&rxf->mcast_pending_add_q);
623 INIT_LIST_HEAD(&rxf->mcast_pending_del_q);
624 INIT_LIST_HEAD(&rxf->mcast_active_q);
625 INIT_LIST_HEAD(&rxf->mcast_handle_q);
626
627 rxf->rit = (u8 *)
628 res_info[BNA_RX_RES_MEM_T_RIT].res_u.mem_info.mdl[0].kva;
629 bna_rit_init(rxf, q_config->num_paths);
630
631 rxf->rss_status = q_config->rss_status;
632 if (rxf->rss_status == BNA_STATUS_T_ENABLED) {
633 rxf->rss_cfg = q_config->rss_config;
634 rxf->rss_pending |= BNA_RSS_F_CFG_PENDING;
635 rxf->rss_pending |= BNA_RSS_F_RIT_PENDING;
636 rxf->rss_pending |= BNA_RSS_F_STATUS_PENDING;
637 }
638
639 rxf->vlan_filter_status = BNA_STATUS_T_DISABLED;
640 memset(rxf->vlan_filter_table, 0,
641 (sizeof(u32) * (BFI_ENET_VLAN_ID_MAX / 32)));
642 rxf->vlan_filter_table[0] |= 1; /* for pure priority tagged frames */
643 rxf->vlan_pending_bitmask = (u8)BFI_VLAN_BMASK_ALL;
644
645 rxf->vlan_strip_status = q_config->vlan_strip_status;
646
647 bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
648 }
649
650 static void
bna_rxf_uninit(struct bna_rxf * rxf)651 bna_rxf_uninit(struct bna_rxf *rxf)
652 {
653 struct bna_mac *mac;
654
655 rxf->ucast_pending_set = 0;
656 rxf->ucast_active_set = 0;
657
658 while (!list_empty(&rxf->ucast_pending_add_q)) {
659 mac = list_first_entry(&rxf->ucast_pending_add_q,
660 struct bna_mac, qe);
661 list_move_tail(&mac->qe, bna_ucam_mod_free_q(rxf->rx->bna));
662 }
663
664 if (rxf->ucast_pending_mac) {
665 list_add_tail(&rxf->ucast_pending_mac->qe,
666 bna_ucam_mod_free_q(rxf->rx->bna));
667 rxf->ucast_pending_mac = NULL;
668 }
669
670 while (!list_empty(&rxf->mcast_pending_add_q)) {
671 mac = list_first_entry(&rxf->mcast_pending_add_q,
672 struct bna_mac, qe);
673 list_move_tail(&mac->qe, bna_mcam_mod_free_q(rxf->rx->bna));
674 }
675
676 rxf->rxmode_pending = 0;
677 rxf->rxmode_pending_bitmask = 0;
678 if (rxf->rx->bna->promisc_rid == rxf->rx->rid)
679 rxf->rx->bna->promisc_rid = BFI_INVALID_RID;
680 if (rxf->rx->bna->default_mode_rid == rxf->rx->rid)
681 rxf->rx->bna->default_mode_rid = BFI_INVALID_RID;
682
683 rxf->rss_pending = 0;
684 rxf->vlan_strip_pending = false;
685
686 rxf->rx = NULL;
687 }
688
689 static void
bna_rx_cb_rxf_started(struct bna_rx * rx)690 bna_rx_cb_rxf_started(struct bna_rx *rx)
691 {
692 bfa_fsm_send_event(rx, RX_E_RXF_STARTED);
693 }
694
695 static void
bna_rxf_start(struct bna_rxf * rxf)696 bna_rxf_start(struct bna_rxf *rxf)
697 {
698 rxf->start_cbfn = bna_rx_cb_rxf_started;
699 rxf->start_cbarg = rxf->rx;
700 bfa_fsm_send_event(rxf, RXF_E_START);
701 }
702
703 static void
bna_rx_cb_rxf_stopped(struct bna_rx * rx)704 bna_rx_cb_rxf_stopped(struct bna_rx *rx)
705 {
706 bfa_fsm_send_event(rx, RX_E_RXF_STOPPED);
707 }
708
709 static void
bna_rxf_stop(struct bna_rxf * rxf)710 bna_rxf_stop(struct bna_rxf *rxf)
711 {
712 rxf->stop_cbfn = bna_rx_cb_rxf_stopped;
713 rxf->stop_cbarg = rxf->rx;
714 bfa_fsm_send_event(rxf, RXF_E_STOP);
715 }
716
717 static void
bna_rxf_fail(struct bna_rxf * rxf)718 bna_rxf_fail(struct bna_rxf *rxf)
719 {
720 bfa_fsm_send_event(rxf, RXF_E_FAIL);
721 }
722
723 enum bna_cb_status
bna_rx_ucast_set(struct bna_rx * rx,const u8 * ucmac)724 bna_rx_ucast_set(struct bna_rx *rx, const u8 *ucmac)
725 {
726 struct bna_rxf *rxf = &rx->rxf;
727
728 if (rxf->ucast_pending_mac == NULL) {
729 rxf->ucast_pending_mac =
730 bna_cam_mod_mac_get(bna_ucam_mod_free_q(rxf->rx->bna));
731 if (rxf->ucast_pending_mac == NULL)
732 return BNA_CB_UCAST_CAM_FULL;
733 }
734
735 ether_addr_copy(rxf->ucast_pending_mac->addr, ucmac);
736 rxf->ucast_pending_set = 1;
737 rxf->cam_fltr_cbfn = NULL;
738 rxf->cam_fltr_cbarg = rx->bna->bnad;
739
740 bfa_fsm_send_event(rxf, RXF_E_CONFIG);
741
742 return BNA_CB_SUCCESS;
743 }
744
745 enum bna_cb_status
bna_rx_mcast_add(struct bna_rx * rx,const u8 * addr,void (* cbfn)(struct bnad *,struct bna_rx *))746 bna_rx_mcast_add(struct bna_rx *rx, const u8 *addr,
747 void (*cbfn)(struct bnad *, struct bna_rx *))
748 {
749 struct bna_rxf *rxf = &rx->rxf;
750 struct bna_mac *mac;
751
752 /* Check if already added or pending addition */
753 if (bna_mac_find(&rxf->mcast_active_q, addr) ||
754 bna_mac_find(&rxf->mcast_pending_add_q, addr)) {
755 if (cbfn)
756 cbfn(rx->bna->bnad, rx);
757 return BNA_CB_SUCCESS;
758 }
759
760 mac = bna_cam_mod_mac_get(bna_mcam_mod_free_q(rxf->rx->bna));
761 if (mac == NULL)
762 return BNA_CB_MCAST_LIST_FULL;
763 ether_addr_copy(mac->addr, addr);
764 list_add_tail(&mac->qe, &rxf->mcast_pending_add_q);
765
766 rxf->cam_fltr_cbfn = cbfn;
767 rxf->cam_fltr_cbarg = rx->bna->bnad;
768
769 bfa_fsm_send_event(rxf, RXF_E_CONFIG);
770
771 return BNA_CB_SUCCESS;
772 }
773
774 enum bna_cb_status
bna_rx_ucast_listset(struct bna_rx * rx,int count,const u8 * uclist)775 bna_rx_ucast_listset(struct bna_rx *rx, int count, const u8 *uclist)
776 {
777 struct bna_ucam_mod *ucam_mod = &rx->bna->ucam_mod;
778 struct bna_rxf *rxf = &rx->rxf;
779 struct list_head list_head;
780 const u8 *mcaddr;
781 struct bna_mac *mac, *del_mac;
782 int i;
783
784 /* Purge the pending_add_q */
785 while (!list_empty(&rxf->ucast_pending_add_q)) {
786 mac = list_first_entry(&rxf->ucast_pending_add_q,
787 struct bna_mac, qe);
788 list_move_tail(&mac->qe, &ucam_mod->free_q);
789 }
790
791 /* Schedule active_q entries for deletion */
792 while (!list_empty(&rxf->ucast_active_q)) {
793 mac = list_first_entry(&rxf->ucast_active_q,
794 struct bna_mac, qe);
795 del_mac = bna_cam_mod_mac_get(&ucam_mod->del_q);
796 ether_addr_copy(del_mac->addr, mac->addr);
797 del_mac->handle = mac->handle;
798 list_add_tail(&del_mac->qe, &rxf->ucast_pending_del_q);
799 list_move_tail(&mac->qe, &ucam_mod->free_q);
800 }
801
802 /* Allocate nodes */
803 INIT_LIST_HEAD(&list_head);
804 for (i = 0, mcaddr = uclist; i < count; i++) {
805 mac = bna_cam_mod_mac_get(&ucam_mod->free_q);
806 if (mac == NULL)
807 goto err_return;
808 ether_addr_copy(mac->addr, mcaddr);
809 list_add_tail(&mac->qe, &list_head);
810 mcaddr += ETH_ALEN;
811 }
812
813 /* Add the new entries */
814 while (!list_empty(&list_head)) {
815 mac = list_first_entry(&list_head, struct bna_mac, qe);
816 list_move_tail(&mac->qe, &rxf->ucast_pending_add_q);
817 }
818
819 bfa_fsm_send_event(rxf, RXF_E_CONFIG);
820
821 return BNA_CB_SUCCESS;
822
823 err_return:
824 while (!list_empty(&list_head)) {
825 mac = list_first_entry(&list_head, struct bna_mac, qe);
826 list_move_tail(&mac->qe, &ucam_mod->free_q);
827 }
828
829 return BNA_CB_UCAST_CAM_FULL;
830 }
831
832 enum bna_cb_status
bna_rx_mcast_listset(struct bna_rx * rx,int count,const u8 * mclist)833 bna_rx_mcast_listset(struct bna_rx *rx, int count, const u8 *mclist)
834 {
835 struct bna_mcam_mod *mcam_mod = &rx->bna->mcam_mod;
836 struct bna_rxf *rxf = &rx->rxf;
837 struct list_head list_head;
838 const u8 *mcaddr;
839 struct bna_mac *mac, *del_mac;
840 int i;
841
842 /* Purge the pending_add_q */
843 while (!list_empty(&rxf->mcast_pending_add_q)) {
844 mac = list_first_entry(&rxf->mcast_pending_add_q,
845 struct bna_mac, qe);
846 list_move_tail(&mac->qe, &mcam_mod->free_q);
847 }
848
849 /* Schedule active_q entries for deletion */
850 while (!list_empty(&rxf->mcast_active_q)) {
851 mac = list_first_entry(&rxf->mcast_active_q,
852 struct bna_mac, qe);
853 del_mac = bna_cam_mod_mac_get(&mcam_mod->del_q);
854 ether_addr_copy(del_mac->addr, mac->addr);
855 del_mac->handle = mac->handle;
856 list_add_tail(&del_mac->qe, &rxf->mcast_pending_del_q);
857 mac->handle = NULL;
858 list_move_tail(&mac->qe, &mcam_mod->free_q);
859 }
860
861 /* Allocate nodes */
862 INIT_LIST_HEAD(&list_head);
863 for (i = 0, mcaddr = mclist; i < count; i++) {
864 mac = bna_cam_mod_mac_get(&mcam_mod->free_q);
865 if (mac == NULL)
866 goto err_return;
867 ether_addr_copy(mac->addr, mcaddr);
868 list_add_tail(&mac->qe, &list_head);
869
870 mcaddr += ETH_ALEN;
871 }
872
873 /* Add the new entries */
874 while (!list_empty(&list_head)) {
875 mac = list_first_entry(&list_head, struct bna_mac, qe);
876 list_move_tail(&mac->qe, &rxf->mcast_pending_add_q);
877 }
878
879 bfa_fsm_send_event(rxf, RXF_E_CONFIG);
880
881 return BNA_CB_SUCCESS;
882
883 err_return:
884 while (!list_empty(&list_head)) {
885 mac = list_first_entry(&list_head, struct bna_mac, qe);
886 list_move_tail(&mac->qe, &mcam_mod->free_q);
887 }
888
889 return BNA_CB_MCAST_LIST_FULL;
890 }
891
892 void
bna_rx_mcast_delall(struct bna_rx * rx)893 bna_rx_mcast_delall(struct bna_rx *rx)
894 {
895 struct bna_rxf *rxf = &rx->rxf;
896 struct bna_mac *mac, *del_mac;
897 int need_hw_config = 0;
898
899 /* Purge all entries from pending_add_q */
900 while (!list_empty(&rxf->mcast_pending_add_q)) {
901 mac = list_first_entry(&rxf->mcast_pending_add_q,
902 struct bna_mac, qe);
903 list_move_tail(&mac->qe, bna_mcam_mod_free_q(rxf->rx->bna));
904 }
905
906 /* Schedule all entries in active_q for deletion */
907 while (!list_empty(&rxf->mcast_active_q)) {
908 mac = list_first_entry(&rxf->mcast_active_q,
909 struct bna_mac, qe);
910 list_del(&mac->qe);
911 del_mac = bna_cam_mod_mac_get(bna_mcam_mod_del_q(rxf->rx->bna));
912 memcpy(del_mac, mac, sizeof(*del_mac));
913 list_add_tail(&del_mac->qe, &rxf->mcast_pending_del_q);
914 mac->handle = NULL;
915 list_add_tail(&mac->qe, bna_mcam_mod_free_q(rxf->rx->bna));
916 need_hw_config = 1;
917 }
918
919 if (need_hw_config)
920 bfa_fsm_send_event(rxf, RXF_E_CONFIG);
921 }
922
923 void
bna_rx_vlan_add(struct bna_rx * rx,int vlan_id)924 bna_rx_vlan_add(struct bna_rx *rx, int vlan_id)
925 {
926 struct bna_rxf *rxf = &rx->rxf;
927 int index = (vlan_id >> BFI_VLAN_WORD_SHIFT);
928 int bit = BIT(vlan_id & BFI_VLAN_WORD_MASK);
929 int group_id = (vlan_id >> BFI_VLAN_BLOCK_SHIFT);
930
931 rxf->vlan_filter_table[index] |= bit;
932 if (rxf->vlan_filter_status == BNA_STATUS_T_ENABLED) {
933 rxf->vlan_pending_bitmask |= BIT(group_id);
934 bfa_fsm_send_event(rxf, RXF_E_CONFIG);
935 }
936 }
937
938 void
bna_rx_vlan_del(struct bna_rx * rx,int vlan_id)939 bna_rx_vlan_del(struct bna_rx *rx, int vlan_id)
940 {
941 struct bna_rxf *rxf = &rx->rxf;
942 int index = (vlan_id >> BFI_VLAN_WORD_SHIFT);
943 int bit = BIT(vlan_id & BFI_VLAN_WORD_MASK);
944 int group_id = (vlan_id >> BFI_VLAN_BLOCK_SHIFT);
945
946 rxf->vlan_filter_table[index] &= ~bit;
947 if (rxf->vlan_filter_status == BNA_STATUS_T_ENABLED) {
948 rxf->vlan_pending_bitmask |= BIT(group_id);
949 bfa_fsm_send_event(rxf, RXF_E_CONFIG);
950 }
951 }
952
953 static int
bna_rxf_ucast_cfg_apply(struct bna_rxf * rxf)954 bna_rxf_ucast_cfg_apply(struct bna_rxf *rxf)
955 {
956 struct bna_mac *mac = NULL;
957
958 /* Delete MAC addresses previousely added */
959 if (!list_empty(&rxf->ucast_pending_del_q)) {
960 mac = list_first_entry(&rxf->ucast_pending_del_q,
961 struct bna_mac, qe);
962 bna_bfi_ucast_req(rxf, mac, BFI_ENET_H2I_MAC_UCAST_DEL_REQ);
963 list_move_tail(&mac->qe, bna_ucam_mod_del_q(rxf->rx->bna));
964 return 1;
965 }
966
967 /* Set default unicast MAC */
968 if (rxf->ucast_pending_set) {
969 rxf->ucast_pending_set = 0;
970 ether_addr_copy(rxf->ucast_active_mac.addr,
971 rxf->ucast_pending_mac->addr);
972 rxf->ucast_active_set = 1;
973 bna_bfi_ucast_req(rxf, &rxf->ucast_active_mac,
974 BFI_ENET_H2I_MAC_UCAST_SET_REQ);
975 return 1;
976 }
977
978 /* Add additional MAC entries */
979 if (!list_empty(&rxf->ucast_pending_add_q)) {
980 mac = list_first_entry(&rxf->ucast_pending_add_q,
981 struct bna_mac, qe);
982 list_move_tail(&mac->qe, &rxf->ucast_active_q);
983 bna_bfi_ucast_req(rxf, mac, BFI_ENET_H2I_MAC_UCAST_ADD_REQ);
984 return 1;
985 }
986
987 return 0;
988 }
989
990 static int
bna_rxf_ucast_cfg_reset(struct bna_rxf * rxf,enum bna_cleanup_type cleanup)991 bna_rxf_ucast_cfg_reset(struct bna_rxf *rxf, enum bna_cleanup_type cleanup)
992 {
993 struct bna_mac *mac;
994
995 /* Throw away delete pending ucast entries */
996 while (!list_empty(&rxf->ucast_pending_del_q)) {
997 mac = list_first_entry(&rxf->ucast_pending_del_q,
998 struct bna_mac, qe);
999 if (cleanup == BNA_SOFT_CLEANUP)
1000 list_move_tail(&mac->qe,
1001 bna_ucam_mod_del_q(rxf->rx->bna));
1002 else {
1003 bna_bfi_ucast_req(rxf, mac,
1004 BFI_ENET_H2I_MAC_UCAST_DEL_REQ);
1005 list_move_tail(&mac->qe,
1006 bna_ucam_mod_del_q(rxf->rx->bna));
1007 return 1;
1008 }
1009 }
1010
1011 /* Move active ucast entries to pending_add_q */
1012 while (!list_empty(&rxf->ucast_active_q)) {
1013 mac = list_first_entry(&rxf->ucast_active_q,
1014 struct bna_mac, qe);
1015 list_move_tail(&mac->qe, &rxf->ucast_pending_add_q);
1016 if (cleanup == BNA_HARD_CLEANUP) {
1017 bna_bfi_ucast_req(rxf, mac,
1018 BFI_ENET_H2I_MAC_UCAST_DEL_REQ);
1019 return 1;
1020 }
1021 }
1022
1023 if (rxf->ucast_active_set) {
1024 rxf->ucast_pending_set = 1;
1025 rxf->ucast_active_set = 0;
1026 if (cleanup == BNA_HARD_CLEANUP) {
1027 bna_bfi_ucast_req(rxf, &rxf->ucast_active_mac,
1028 BFI_ENET_H2I_MAC_UCAST_CLR_REQ);
1029 return 1;
1030 }
1031 }
1032
1033 return 0;
1034 }
1035
1036 static int
bna_rxf_promisc_cfg_apply(struct bna_rxf * rxf)1037 bna_rxf_promisc_cfg_apply(struct bna_rxf *rxf)
1038 {
1039 struct bna *bna = rxf->rx->bna;
1040
1041 /* Enable/disable promiscuous mode */
1042 if (is_promisc_enable(rxf->rxmode_pending,
1043 rxf->rxmode_pending_bitmask)) {
1044 /* move promisc configuration from pending -> active */
1045 promisc_inactive(rxf->rxmode_pending,
1046 rxf->rxmode_pending_bitmask);
1047 rxf->rxmode_active |= BNA_RXMODE_PROMISC;
1048 bna_bfi_rx_promisc_req(rxf, BNA_STATUS_T_ENABLED);
1049 return 1;
1050 } else if (is_promisc_disable(rxf->rxmode_pending,
1051 rxf->rxmode_pending_bitmask)) {
1052 /* move promisc configuration from pending -> active */
1053 promisc_inactive(rxf->rxmode_pending,
1054 rxf->rxmode_pending_bitmask);
1055 rxf->rxmode_active &= ~BNA_RXMODE_PROMISC;
1056 bna->promisc_rid = BFI_INVALID_RID;
1057 bna_bfi_rx_promisc_req(rxf, BNA_STATUS_T_DISABLED);
1058 return 1;
1059 }
1060
1061 return 0;
1062 }
1063
1064 static int
bna_rxf_promisc_cfg_reset(struct bna_rxf * rxf,enum bna_cleanup_type cleanup)1065 bna_rxf_promisc_cfg_reset(struct bna_rxf *rxf, enum bna_cleanup_type cleanup)
1066 {
1067 struct bna *bna = rxf->rx->bna;
1068
1069 /* Clear pending promisc mode disable */
1070 if (is_promisc_disable(rxf->rxmode_pending,
1071 rxf->rxmode_pending_bitmask)) {
1072 promisc_inactive(rxf->rxmode_pending,
1073 rxf->rxmode_pending_bitmask);
1074 rxf->rxmode_active &= ~BNA_RXMODE_PROMISC;
1075 bna->promisc_rid = BFI_INVALID_RID;
1076 if (cleanup == BNA_HARD_CLEANUP) {
1077 bna_bfi_rx_promisc_req(rxf, BNA_STATUS_T_DISABLED);
1078 return 1;
1079 }
1080 }
1081
1082 /* Move promisc mode config from active -> pending */
1083 if (rxf->rxmode_active & BNA_RXMODE_PROMISC) {
1084 promisc_enable(rxf->rxmode_pending,
1085 rxf->rxmode_pending_bitmask);
1086 rxf->rxmode_active &= ~BNA_RXMODE_PROMISC;
1087 if (cleanup == BNA_HARD_CLEANUP) {
1088 bna_bfi_rx_promisc_req(rxf, BNA_STATUS_T_DISABLED);
1089 return 1;
1090 }
1091 }
1092
1093 return 0;
1094 }
1095
1096 static int
bna_rxf_allmulti_cfg_apply(struct bna_rxf * rxf)1097 bna_rxf_allmulti_cfg_apply(struct bna_rxf *rxf)
1098 {
1099 /* Enable/disable allmulti mode */
1100 if (is_allmulti_enable(rxf->rxmode_pending,
1101 rxf->rxmode_pending_bitmask)) {
1102 /* move allmulti configuration from pending -> active */
1103 allmulti_inactive(rxf->rxmode_pending,
1104 rxf->rxmode_pending_bitmask);
1105 rxf->rxmode_active |= BNA_RXMODE_ALLMULTI;
1106 bna_bfi_mcast_filter_req(rxf, BNA_STATUS_T_DISABLED);
1107 return 1;
1108 } else if (is_allmulti_disable(rxf->rxmode_pending,
1109 rxf->rxmode_pending_bitmask)) {
1110 /* move allmulti configuration from pending -> active */
1111 allmulti_inactive(rxf->rxmode_pending,
1112 rxf->rxmode_pending_bitmask);
1113 rxf->rxmode_active &= ~BNA_RXMODE_ALLMULTI;
1114 bna_bfi_mcast_filter_req(rxf, BNA_STATUS_T_ENABLED);
1115 return 1;
1116 }
1117
1118 return 0;
1119 }
1120
1121 static int
bna_rxf_allmulti_cfg_reset(struct bna_rxf * rxf,enum bna_cleanup_type cleanup)1122 bna_rxf_allmulti_cfg_reset(struct bna_rxf *rxf, enum bna_cleanup_type cleanup)
1123 {
1124 /* Clear pending allmulti mode disable */
1125 if (is_allmulti_disable(rxf->rxmode_pending,
1126 rxf->rxmode_pending_bitmask)) {
1127 allmulti_inactive(rxf->rxmode_pending,
1128 rxf->rxmode_pending_bitmask);
1129 rxf->rxmode_active &= ~BNA_RXMODE_ALLMULTI;
1130 if (cleanup == BNA_HARD_CLEANUP) {
1131 bna_bfi_mcast_filter_req(rxf, BNA_STATUS_T_ENABLED);
1132 return 1;
1133 }
1134 }
1135
1136 /* Move allmulti mode config from active -> pending */
1137 if (rxf->rxmode_active & BNA_RXMODE_ALLMULTI) {
1138 allmulti_enable(rxf->rxmode_pending,
1139 rxf->rxmode_pending_bitmask);
1140 rxf->rxmode_active &= ~BNA_RXMODE_ALLMULTI;
1141 if (cleanup == BNA_HARD_CLEANUP) {
1142 bna_bfi_mcast_filter_req(rxf, BNA_STATUS_T_ENABLED);
1143 return 1;
1144 }
1145 }
1146
1147 return 0;
1148 }
1149
1150 static int
bna_rxf_promisc_enable(struct bna_rxf * rxf)1151 bna_rxf_promisc_enable(struct bna_rxf *rxf)
1152 {
1153 struct bna *bna = rxf->rx->bna;
1154 int ret = 0;
1155
1156 if (is_promisc_enable(rxf->rxmode_pending,
1157 rxf->rxmode_pending_bitmask) ||
1158 (rxf->rxmode_active & BNA_RXMODE_PROMISC)) {
1159 /* Do nothing if pending enable or already enabled */
1160 } else if (is_promisc_disable(rxf->rxmode_pending,
1161 rxf->rxmode_pending_bitmask)) {
1162 /* Turn off pending disable command */
1163 promisc_inactive(rxf->rxmode_pending,
1164 rxf->rxmode_pending_bitmask);
1165 } else {
1166 /* Schedule enable */
1167 promisc_enable(rxf->rxmode_pending,
1168 rxf->rxmode_pending_bitmask);
1169 bna->promisc_rid = rxf->rx->rid;
1170 ret = 1;
1171 }
1172
1173 return ret;
1174 }
1175
1176 static int
bna_rxf_promisc_disable(struct bna_rxf * rxf)1177 bna_rxf_promisc_disable(struct bna_rxf *rxf)
1178 {
1179 struct bna *bna = rxf->rx->bna;
1180 int ret = 0;
1181
1182 if (is_promisc_disable(rxf->rxmode_pending,
1183 rxf->rxmode_pending_bitmask) ||
1184 (!(rxf->rxmode_active & BNA_RXMODE_PROMISC))) {
1185 /* Do nothing if pending disable or already disabled */
1186 } else if (is_promisc_enable(rxf->rxmode_pending,
1187 rxf->rxmode_pending_bitmask)) {
1188 /* Turn off pending enable command */
1189 promisc_inactive(rxf->rxmode_pending,
1190 rxf->rxmode_pending_bitmask);
1191 bna->promisc_rid = BFI_INVALID_RID;
1192 } else if (rxf->rxmode_active & BNA_RXMODE_PROMISC) {
1193 /* Schedule disable */
1194 promisc_disable(rxf->rxmode_pending,
1195 rxf->rxmode_pending_bitmask);
1196 ret = 1;
1197 }
1198
1199 return ret;
1200 }
1201
1202 static int
bna_rxf_allmulti_enable(struct bna_rxf * rxf)1203 bna_rxf_allmulti_enable(struct bna_rxf *rxf)
1204 {
1205 int ret = 0;
1206
1207 if (is_allmulti_enable(rxf->rxmode_pending,
1208 rxf->rxmode_pending_bitmask) ||
1209 (rxf->rxmode_active & BNA_RXMODE_ALLMULTI)) {
1210 /* Do nothing if pending enable or already enabled */
1211 } else if (is_allmulti_disable(rxf->rxmode_pending,
1212 rxf->rxmode_pending_bitmask)) {
1213 /* Turn off pending disable command */
1214 allmulti_inactive(rxf->rxmode_pending,
1215 rxf->rxmode_pending_bitmask);
1216 } else {
1217 /* Schedule enable */
1218 allmulti_enable(rxf->rxmode_pending,
1219 rxf->rxmode_pending_bitmask);
1220 ret = 1;
1221 }
1222
1223 return ret;
1224 }
1225
1226 static int
bna_rxf_allmulti_disable(struct bna_rxf * rxf)1227 bna_rxf_allmulti_disable(struct bna_rxf *rxf)
1228 {
1229 int ret = 0;
1230
1231 if (is_allmulti_disable(rxf->rxmode_pending,
1232 rxf->rxmode_pending_bitmask) ||
1233 (!(rxf->rxmode_active & BNA_RXMODE_ALLMULTI))) {
1234 /* Do nothing if pending disable or already disabled */
1235 } else if (is_allmulti_enable(rxf->rxmode_pending,
1236 rxf->rxmode_pending_bitmask)) {
1237 /* Turn off pending enable command */
1238 allmulti_inactive(rxf->rxmode_pending,
1239 rxf->rxmode_pending_bitmask);
1240 } else if (rxf->rxmode_active & BNA_RXMODE_ALLMULTI) {
1241 /* Schedule disable */
1242 allmulti_disable(rxf->rxmode_pending,
1243 rxf->rxmode_pending_bitmask);
1244 ret = 1;
1245 }
1246
1247 return ret;
1248 }
1249
1250 static int
bna_rxf_vlan_strip_cfg_apply(struct bna_rxf * rxf)1251 bna_rxf_vlan_strip_cfg_apply(struct bna_rxf *rxf)
1252 {
1253 if (rxf->vlan_strip_pending) {
1254 rxf->vlan_strip_pending = false;
1255 bna_bfi_vlan_strip_enable(rxf);
1256 return 1;
1257 }
1258
1259 return 0;
1260 }
1261
1262 /* RX */
1263
1264 #define BNA_GET_RXQS(qcfg) (((qcfg)->rxp_type == BNA_RXP_SINGLE) ? \
1265 (qcfg)->num_paths : ((qcfg)->num_paths * 2))
1266
1267 #define SIZE_TO_PAGES(size) (((size) >> PAGE_SHIFT) + ((((size) &\
1268 (PAGE_SIZE - 1)) + (PAGE_SIZE - 1)) >> PAGE_SHIFT))
1269
1270 #define call_rx_stop_cbfn(rx) \
1271 do { \
1272 if ((rx)->stop_cbfn) { \
1273 void (*cbfn)(void *, struct bna_rx *); \
1274 void *cbarg; \
1275 cbfn = (rx)->stop_cbfn; \
1276 cbarg = (rx)->stop_cbarg; \
1277 (rx)->stop_cbfn = NULL; \
1278 (rx)->stop_cbarg = NULL; \
1279 cbfn(cbarg, rx); \
1280 } \
1281 } while (0)
1282
1283 #define call_rx_stall_cbfn(rx) \
1284 do { \
1285 if ((rx)->rx_stall_cbfn) \
1286 (rx)->rx_stall_cbfn((rx)->bna->bnad, (rx)); \
1287 } while (0)
1288
1289 #define bfi_enet_datapath_q_init(bfi_q, bna_qpt) \
1290 do { \
1291 struct bna_dma_addr cur_q_addr = \
1292 *((struct bna_dma_addr *)((bna_qpt)->kv_qpt_ptr)); \
1293 (bfi_q)->pg_tbl.a32.addr_lo = (bna_qpt)->hw_qpt_ptr.lsb; \
1294 (bfi_q)->pg_tbl.a32.addr_hi = (bna_qpt)->hw_qpt_ptr.msb; \
1295 (bfi_q)->first_entry.a32.addr_lo = cur_q_addr.lsb; \
1296 (bfi_q)->first_entry.a32.addr_hi = cur_q_addr.msb; \
1297 (bfi_q)->pages = htons((u16)(bna_qpt)->page_count); \
1298 (bfi_q)->page_sz = htons((u16)(bna_qpt)->page_size);\
1299 } while (0)
1300
1301 static void bna_bfi_rx_enet_start(struct bna_rx *rx);
1302 static void bna_rx_enet_stop(struct bna_rx *rx);
1303 static void bna_rx_mod_cb_rx_stopped(void *arg, struct bna_rx *rx);
1304
1305 bfa_fsm_state_decl(bna_rx, stopped,
1306 struct bna_rx, enum bna_rx_event);
1307 bfa_fsm_state_decl(bna_rx, start_wait,
1308 struct bna_rx, enum bna_rx_event);
1309 bfa_fsm_state_decl(bna_rx, start_stop_wait,
1310 struct bna_rx, enum bna_rx_event);
1311 bfa_fsm_state_decl(bna_rx, rxf_start_wait,
1312 struct bna_rx, enum bna_rx_event);
1313 bfa_fsm_state_decl(bna_rx, started,
1314 struct bna_rx, enum bna_rx_event);
1315 bfa_fsm_state_decl(bna_rx, rxf_stop_wait,
1316 struct bna_rx, enum bna_rx_event);
1317 bfa_fsm_state_decl(bna_rx, stop_wait,
1318 struct bna_rx, enum bna_rx_event);
1319 bfa_fsm_state_decl(bna_rx, cleanup_wait,
1320 struct bna_rx, enum bna_rx_event);
1321 bfa_fsm_state_decl(bna_rx, failed,
1322 struct bna_rx, enum bna_rx_event);
1323 bfa_fsm_state_decl(bna_rx, quiesce_wait,
1324 struct bna_rx, enum bna_rx_event);
1325
bna_rx_sm_stopped_entry(struct bna_rx * rx)1326 static void bna_rx_sm_stopped_entry(struct bna_rx *rx)
1327 {
1328 call_rx_stop_cbfn(rx);
1329 }
1330
bna_rx_sm_stopped(struct bna_rx * rx,enum bna_rx_event event)1331 static void bna_rx_sm_stopped(struct bna_rx *rx,
1332 enum bna_rx_event event)
1333 {
1334 switch (event) {
1335 case RX_E_START:
1336 bfa_fsm_set_state(rx, bna_rx_sm_start_wait);
1337 break;
1338
1339 case RX_E_STOP:
1340 call_rx_stop_cbfn(rx);
1341 break;
1342
1343 case RX_E_FAIL:
1344 /* no-op */
1345 break;
1346
1347 default:
1348 bfa_sm_fault(event);
1349 break;
1350 }
1351 }
1352
bna_rx_sm_start_wait_entry(struct bna_rx * rx)1353 static void bna_rx_sm_start_wait_entry(struct bna_rx *rx)
1354 {
1355 bna_bfi_rx_enet_start(rx);
1356 }
1357
1358 static void
bna_rx_sm_stop_wait_entry(struct bna_rx * rx)1359 bna_rx_sm_stop_wait_entry(struct bna_rx *rx)
1360 {
1361 }
1362
1363 static void
bna_rx_sm_stop_wait(struct bna_rx * rx,enum bna_rx_event event)1364 bna_rx_sm_stop_wait(struct bna_rx *rx, enum bna_rx_event event)
1365 {
1366 switch (event) {
1367 case RX_E_FAIL:
1368 case RX_E_STOPPED:
1369 bfa_fsm_set_state(rx, bna_rx_sm_cleanup_wait);
1370 rx->rx_cleanup_cbfn(rx->bna->bnad, rx);
1371 break;
1372
1373 case RX_E_STARTED:
1374 bna_rx_enet_stop(rx);
1375 break;
1376
1377 default:
1378 bfa_sm_fault(event);
1379 break;
1380 }
1381 }
1382
bna_rx_sm_start_wait(struct bna_rx * rx,enum bna_rx_event event)1383 static void bna_rx_sm_start_wait(struct bna_rx *rx,
1384 enum bna_rx_event event)
1385 {
1386 switch (event) {
1387 case RX_E_STOP:
1388 bfa_fsm_set_state(rx, bna_rx_sm_start_stop_wait);
1389 break;
1390
1391 case RX_E_FAIL:
1392 bfa_fsm_set_state(rx, bna_rx_sm_stopped);
1393 break;
1394
1395 case RX_E_STARTED:
1396 bfa_fsm_set_state(rx, bna_rx_sm_rxf_start_wait);
1397 break;
1398
1399 default:
1400 bfa_sm_fault(event);
1401 break;
1402 }
1403 }
1404
bna_rx_sm_rxf_start_wait_entry(struct bna_rx * rx)1405 static void bna_rx_sm_rxf_start_wait_entry(struct bna_rx *rx)
1406 {
1407 rx->rx_post_cbfn(rx->bna->bnad, rx);
1408 bna_rxf_start(&rx->rxf);
1409 }
1410
1411 static void
bna_rx_sm_rxf_stop_wait_entry(struct bna_rx * rx)1412 bna_rx_sm_rxf_stop_wait_entry(struct bna_rx *rx)
1413 {
1414 }
1415
1416 static void
bna_rx_sm_rxf_stop_wait(struct bna_rx * rx,enum bna_rx_event event)1417 bna_rx_sm_rxf_stop_wait(struct bna_rx *rx, enum bna_rx_event event)
1418 {
1419 switch (event) {
1420 case RX_E_FAIL:
1421 bfa_fsm_set_state(rx, bna_rx_sm_cleanup_wait);
1422 bna_rxf_fail(&rx->rxf);
1423 call_rx_stall_cbfn(rx);
1424 rx->rx_cleanup_cbfn(rx->bna->bnad, rx);
1425 break;
1426
1427 case RX_E_RXF_STARTED:
1428 bna_rxf_stop(&rx->rxf);
1429 break;
1430
1431 case RX_E_RXF_STOPPED:
1432 bfa_fsm_set_state(rx, bna_rx_sm_stop_wait);
1433 call_rx_stall_cbfn(rx);
1434 bna_rx_enet_stop(rx);
1435 break;
1436
1437 default:
1438 bfa_sm_fault(event);
1439 break;
1440 }
1441
1442 }
1443
1444 static void
bna_rx_sm_start_stop_wait_entry(struct bna_rx * rx)1445 bna_rx_sm_start_stop_wait_entry(struct bna_rx *rx)
1446 {
1447 }
1448
1449 static void
bna_rx_sm_start_stop_wait(struct bna_rx * rx,enum bna_rx_event event)1450 bna_rx_sm_start_stop_wait(struct bna_rx *rx, enum bna_rx_event event)
1451 {
1452 switch (event) {
1453 case RX_E_FAIL:
1454 case RX_E_STOPPED:
1455 bfa_fsm_set_state(rx, bna_rx_sm_stopped);
1456 break;
1457
1458 case RX_E_STARTED:
1459 bna_rx_enet_stop(rx);
1460 break;
1461
1462 default:
1463 bfa_sm_fault(event);
1464 }
1465 }
1466
1467 static void
bna_rx_sm_started_entry(struct bna_rx * rx)1468 bna_rx_sm_started_entry(struct bna_rx *rx)
1469 {
1470 struct bna_rxp *rxp;
1471 int is_regular = (rx->type == BNA_RX_T_REGULAR);
1472
1473 /* Start IB */
1474 list_for_each_entry(rxp, &rx->rxp_q, qe)
1475 bna_ib_start(rx->bna, &rxp->cq.ib, is_regular);
1476
1477 bna_ethport_cb_rx_started(&rx->bna->ethport);
1478 }
1479
1480 static void
bna_rx_sm_started(struct bna_rx * rx,enum bna_rx_event event)1481 bna_rx_sm_started(struct bna_rx *rx, enum bna_rx_event event)
1482 {
1483 switch (event) {
1484 case RX_E_STOP:
1485 bfa_fsm_set_state(rx, bna_rx_sm_rxf_stop_wait);
1486 bna_ethport_cb_rx_stopped(&rx->bna->ethport);
1487 bna_rxf_stop(&rx->rxf);
1488 break;
1489
1490 case RX_E_FAIL:
1491 bfa_fsm_set_state(rx, bna_rx_sm_failed);
1492 bna_ethport_cb_rx_stopped(&rx->bna->ethport);
1493 bna_rxf_fail(&rx->rxf);
1494 call_rx_stall_cbfn(rx);
1495 rx->rx_cleanup_cbfn(rx->bna->bnad, rx);
1496 break;
1497
1498 default:
1499 bfa_sm_fault(event);
1500 break;
1501 }
1502 }
1503
bna_rx_sm_rxf_start_wait(struct bna_rx * rx,enum bna_rx_event event)1504 static void bna_rx_sm_rxf_start_wait(struct bna_rx *rx,
1505 enum bna_rx_event event)
1506 {
1507 switch (event) {
1508 case RX_E_STOP:
1509 bfa_fsm_set_state(rx, bna_rx_sm_rxf_stop_wait);
1510 break;
1511
1512 case RX_E_FAIL:
1513 bfa_fsm_set_state(rx, bna_rx_sm_failed);
1514 bna_rxf_fail(&rx->rxf);
1515 call_rx_stall_cbfn(rx);
1516 rx->rx_cleanup_cbfn(rx->bna->bnad, rx);
1517 break;
1518
1519 case RX_E_RXF_STARTED:
1520 bfa_fsm_set_state(rx, bna_rx_sm_started);
1521 break;
1522
1523 default:
1524 bfa_sm_fault(event);
1525 break;
1526 }
1527 }
1528
1529 static void
bna_rx_sm_cleanup_wait_entry(struct bna_rx * rx)1530 bna_rx_sm_cleanup_wait_entry(struct bna_rx *rx)
1531 {
1532 }
1533
1534 static void
bna_rx_sm_cleanup_wait(struct bna_rx * rx,enum bna_rx_event event)1535 bna_rx_sm_cleanup_wait(struct bna_rx *rx, enum bna_rx_event event)
1536 {
1537 switch (event) {
1538 case RX_E_FAIL:
1539 case RX_E_RXF_STOPPED:
1540 /* No-op */
1541 break;
1542
1543 case RX_E_CLEANUP_DONE:
1544 bfa_fsm_set_state(rx, bna_rx_sm_stopped);
1545 break;
1546
1547 default:
1548 bfa_sm_fault(event);
1549 break;
1550 }
1551 }
1552
1553 static void
bna_rx_sm_failed_entry(struct bna_rx * rx)1554 bna_rx_sm_failed_entry(struct bna_rx *rx)
1555 {
1556 }
1557
1558 static void
bna_rx_sm_failed(struct bna_rx * rx,enum bna_rx_event event)1559 bna_rx_sm_failed(struct bna_rx *rx, enum bna_rx_event event)
1560 {
1561 switch (event) {
1562 case RX_E_START:
1563 bfa_fsm_set_state(rx, bna_rx_sm_quiesce_wait);
1564 break;
1565
1566 case RX_E_STOP:
1567 bfa_fsm_set_state(rx, bna_rx_sm_cleanup_wait);
1568 break;
1569
1570 case RX_E_FAIL:
1571 case RX_E_RXF_STARTED:
1572 case RX_E_RXF_STOPPED:
1573 /* No-op */
1574 break;
1575
1576 case RX_E_CLEANUP_DONE:
1577 bfa_fsm_set_state(rx, bna_rx_sm_stopped);
1578 break;
1579
1580 default:
1581 bfa_sm_fault(event);
1582 break;
1583 } }
1584
1585 static void
bna_rx_sm_quiesce_wait_entry(struct bna_rx * rx)1586 bna_rx_sm_quiesce_wait_entry(struct bna_rx *rx)
1587 {
1588 }
1589
1590 static void
bna_rx_sm_quiesce_wait(struct bna_rx * rx,enum bna_rx_event event)1591 bna_rx_sm_quiesce_wait(struct bna_rx *rx, enum bna_rx_event event)
1592 {
1593 switch (event) {
1594 case RX_E_STOP:
1595 bfa_fsm_set_state(rx, bna_rx_sm_cleanup_wait);
1596 break;
1597
1598 case RX_E_FAIL:
1599 bfa_fsm_set_state(rx, bna_rx_sm_failed);
1600 break;
1601
1602 case RX_E_CLEANUP_DONE:
1603 bfa_fsm_set_state(rx, bna_rx_sm_start_wait);
1604 break;
1605
1606 default:
1607 bfa_sm_fault(event);
1608 break;
1609 }
1610 }
1611
1612 static void
bna_bfi_rx_enet_start(struct bna_rx * rx)1613 bna_bfi_rx_enet_start(struct bna_rx *rx)
1614 {
1615 struct bfi_enet_rx_cfg_req *cfg_req = &rx->bfi_enet_cmd.cfg_req;
1616 struct bna_rxp *rxp = NULL;
1617 struct bna_rxq *q0 = NULL, *q1 = NULL;
1618 int i;
1619
1620 bfi_msgq_mhdr_set(cfg_req->mh, BFI_MC_ENET,
1621 BFI_ENET_H2I_RX_CFG_SET_REQ, 0, rx->rid);
1622 cfg_req->mh.num_entries = htons(
1623 bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_rx_cfg_req)));
1624
1625 cfg_req->rx_cfg.frame_size = bna_enet_mtu_get(&rx->bna->enet);
1626 cfg_req->num_queue_sets = rx->num_paths;
1627 for (i = 0; i < rx->num_paths; i++) {
1628 rxp = rxp ? list_next_entry(rxp, qe)
1629 : list_first_entry(&rx->rxp_q, struct bna_rxp, qe);
1630 GET_RXQS(rxp, q0, q1);
1631 switch (rxp->type) {
1632 case BNA_RXP_SLR:
1633 case BNA_RXP_HDS:
1634 /* Small RxQ */
1635 bfi_enet_datapath_q_init(&cfg_req->q_cfg[i].qs.q,
1636 &q1->qpt);
1637 cfg_req->q_cfg[i].qs.rx_buffer_size =
1638 htons((u16)q1->buffer_size);
1639 fallthrough;
1640
1641 case BNA_RXP_SINGLE:
1642 /* Large/Single RxQ */
1643 bfi_enet_datapath_q_init(&cfg_req->q_cfg[i].ql.q,
1644 &q0->qpt);
1645 if (q0->multi_buffer)
1646 /* multi-buffer is enabled by allocating
1647 * a new rx with new set of resources.
1648 * q0->buffer_size should be initialized to
1649 * fragment size.
1650 */
1651 cfg_req->rx_cfg.multi_buffer =
1652 BNA_STATUS_T_ENABLED;
1653 else
1654 q0->buffer_size =
1655 bna_enet_mtu_get(&rx->bna->enet);
1656 cfg_req->q_cfg[i].ql.rx_buffer_size =
1657 htons((u16)q0->buffer_size);
1658 break;
1659
1660 default:
1661 BUG_ON(1);
1662 }
1663
1664 bfi_enet_datapath_q_init(&cfg_req->q_cfg[i].cq.q,
1665 &rxp->cq.qpt);
1666
1667 cfg_req->q_cfg[i].ib.index_addr.a32.addr_lo =
1668 rxp->cq.ib.ib_seg_host_addr.lsb;
1669 cfg_req->q_cfg[i].ib.index_addr.a32.addr_hi =
1670 rxp->cq.ib.ib_seg_host_addr.msb;
1671 cfg_req->q_cfg[i].ib.intr.msix_index =
1672 htons((u16)rxp->cq.ib.intr_vector);
1673 }
1674
1675 cfg_req->ib_cfg.int_pkt_dma = BNA_STATUS_T_DISABLED;
1676 cfg_req->ib_cfg.int_enabled = BNA_STATUS_T_ENABLED;
1677 cfg_req->ib_cfg.int_pkt_enabled = BNA_STATUS_T_DISABLED;
1678 cfg_req->ib_cfg.continuous_coalescing = BNA_STATUS_T_DISABLED;
1679 cfg_req->ib_cfg.msix = (rxp->cq.ib.intr_type == BNA_INTR_T_MSIX)
1680 ? BNA_STATUS_T_ENABLED :
1681 BNA_STATUS_T_DISABLED;
1682 cfg_req->ib_cfg.coalescing_timeout =
1683 htonl((u32)rxp->cq.ib.coalescing_timeo);
1684 cfg_req->ib_cfg.inter_pkt_timeout =
1685 htonl((u32)rxp->cq.ib.interpkt_timeo);
1686 cfg_req->ib_cfg.inter_pkt_count = (u8)rxp->cq.ib.interpkt_count;
1687
1688 switch (rxp->type) {
1689 case BNA_RXP_SLR:
1690 cfg_req->rx_cfg.rxq_type = BFI_ENET_RXQ_LARGE_SMALL;
1691 break;
1692
1693 case BNA_RXP_HDS:
1694 cfg_req->rx_cfg.rxq_type = BFI_ENET_RXQ_HDS;
1695 cfg_req->rx_cfg.hds.type = rx->hds_cfg.hdr_type;
1696 cfg_req->rx_cfg.hds.force_offset = rx->hds_cfg.forced_offset;
1697 cfg_req->rx_cfg.hds.max_header_size = rx->hds_cfg.forced_offset;
1698 break;
1699
1700 case BNA_RXP_SINGLE:
1701 cfg_req->rx_cfg.rxq_type = BFI_ENET_RXQ_SINGLE;
1702 break;
1703
1704 default:
1705 BUG_ON(1);
1706 }
1707 cfg_req->rx_cfg.strip_vlan = rx->rxf.vlan_strip_status;
1708
1709 bfa_msgq_cmd_set(&rx->msgq_cmd, NULL, NULL,
1710 sizeof(struct bfi_enet_rx_cfg_req), &cfg_req->mh);
1711 bfa_msgq_cmd_post(&rx->bna->msgq, &rx->msgq_cmd);
1712 }
1713
1714 static void
bna_bfi_rx_enet_stop(struct bna_rx * rx)1715 bna_bfi_rx_enet_stop(struct bna_rx *rx)
1716 {
1717 struct bfi_enet_req *req = &rx->bfi_enet_cmd.req;
1718
1719 bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
1720 BFI_ENET_H2I_RX_CFG_CLR_REQ, 0, rx->rid);
1721 req->mh.num_entries = htons(
1722 bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_req)));
1723 bfa_msgq_cmd_set(&rx->msgq_cmd, NULL, NULL, sizeof(struct bfi_enet_req),
1724 &req->mh);
1725 bfa_msgq_cmd_post(&rx->bna->msgq, &rx->msgq_cmd);
1726 }
1727
1728 static void
bna_rx_enet_stop(struct bna_rx * rx)1729 bna_rx_enet_stop(struct bna_rx *rx)
1730 {
1731 struct bna_rxp *rxp;
1732
1733 /* Stop IB */
1734 list_for_each_entry(rxp, &rx->rxp_q, qe)
1735 bna_ib_stop(rx->bna, &rxp->cq.ib);
1736
1737 bna_bfi_rx_enet_stop(rx);
1738 }
1739
1740 static int
bna_rx_res_check(struct bna_rx_mod * rx_mod,struct bna_rx_config * rx_cfg)1741 bna_rx_res_check(struct bna_rx_mod *rx_mod, struct bna_rx_config *rx_cfg)
1742 {
1743 if ((rx_mod->rx_free_count == 0) ||
1744 (rx_mod->rxp_free_count == 0) ||
1745 (rx_mod->rxq_free_count == 0))
1746 return 0;
1747
1748 if (rx_cfg->rxp_type == BNA_RXP_SINGLE) {
1749 if ((rx_mod->rxp_free_count < rx_cfg->num_paths) ||
1750 (rx_mod->rxq_free_count < rx_cfg->num_paths))
1751 return 0;
1752 } else {
1753 if ((rx_mod->rxp_free_count < rx_cfg->num_paths) ||
1754 (rx_mod->rxq_free_count < (2 * rx_cfg->num_paths)))
1755 return 0;
1756 }
1757
1758 return 1;
1759 }
1760
1761 static struct bna_rxq *
bna_rxq_get(struct bna_rx_mod * rx_mod)1762 bna_rxq_get(struct bna_rx_mod *rx_mod)
1763 {
1764 struct bna_rxq *rxq = NULL;
1765
1766 rxq = list_first_entry(&rx_mod->rxq_free_q, struct bna_rxq, qe);
1767 list_del(&rxq->qe);
1768 rx_mod->rxq_free_count--;
1769
1770 return rxq;
1771 }
1772
1773 static void
bna_rxq_put(struct bna_rx_mod * rx_mod,struct bna_rxq * rxq)1774 bna_rxq_put(struct bna_rx_mod *rx_mod, struct bna_rxq *rxq)
1775 {
1776 list_add_tail(&rxq->qe, &rx_mod->rxq_free_q);
1777 rx_mod->rxq_free_count++;
1778 }
1779
1780 static struct bna_rxp *
bna_rxp_get(struct bna_rx_mod * rx_mod)1781 bna_rxp_get(struct bna_rx_mod *rx_mod)
1782 {
1783 struct bna_rxp *rxp = NULL;
1784
1785 rxp = list_first_entry(&rx_mod->rxp_free_q, struct bna_rxp, qe);
1786 list_del(&rxp->qe);
1787 rx_mod->rxp_free_count--;
1788
1789 return rxp;
1790 }
1791
1792 static void
bna_rxp_put(struct bna_rx_mod * rx_mod,struct bna_rxp * rxp)1793 bna_rxp_put(struct bna_rx_mod *rx_mod, struct bna_rxp *rxp)
1794 {
1795 list_add_tail(&rxp->qe, &rx_mod->rxp_free_q);
1796 rx_mod->rxp_free_count++;
1797 }
1798
1799 static struct bna_rx *
bna_rx_get(struct bna_rx_mod * rx_mod,enum bna_rx_type type)1800 bna_rx_get(struct bna_rx_mod *rx_mod, enum bna_rx_type type)
1801 {
1802 struct bna_rx *rx = NULL;
1803
1804 BUG_ON(list_empty(&rx_mod->rx_free_q));
1805 if (type == BNA_RX_T_REGULAR)
1806 rx = list_first_entry(&rx_mod->rx_free_q, struct bna_rx, qe);
1807 else
1808 rx = list_last_entry(&rx_mod->rx_free_q, struct bna_rx, qe);
1809
1810 rx_mod->rx_free_count--;
1811 list_move_tail(&rx->qe, &rx_mod->rx_active_q);
1812 rx->type = type;
1813
1814 return rx;
1815 }
1816
1817 static void
bna_rx_put(struct bna_rx_mod * rx_mod,struct bna_rx * rx)1818 bna_rx_put(struct bna_rx_mod *rx_mod, struct bna_rx *rx)
1819 {
1820 struct list_head *qe;
1821
1822 list_for_each_prev(qe, &rx_mod->rx_free_q)
1823 if (((struct bna_rx *)qe)->rid < rx->rid)
1824 break;
1825
1826 list_add(&rx->qe, qe);
1827 rx_mod->rx_free_count++;
1828 }
1829
1830 static void
bna_rxp_add_rxqs(struct bna_rxp * rxp,struct bna_rxq * q0,struct bna_rxq * q1)1831 bna_rxp_add_rxqs(struct bna_rxp *rxp, struct bna_rxq *q0,
1832 struct bna_rxq *q1)
1833 {
1834 switch (rxp->type) {
1835 case BNA_RXP_SINGLE:
1836 rxp->rxq.single.only = q0;
1837 rxp->rxq.single.reserved = NULL;
1838 break;
1839 case BNA_RXP_SLR:
1840 rxp->rxq.slr.large = q0;
1841 rxp->rxq.slr.small = q1;
1842 break;
1843 case BNA_RXP_HDS:
1844 rxp->rxq.hds.data = q0;
1845 rxp->rxq.hds.hdr = q1;
1846 break;
1847 default:
1848 break;
1849 }
1850 }
1851
1852 static void
bna_rxq_qpt_setup(struct bna_rxq * rxq,struct bna_rxp * rxp,u32 page_count,u32 page_size,struct bna_mem_descr * qpt_mem,struct bna_mem_descr * swqpt_mem,struct bna_mem_descr * page_mem)1853 bna_rxq_qpt_setup(struct bna_rxq *rxq,
1854 struct bna_rxp *rxp,
1855 u32 page_count,
1856 u32 page_size,
1857 struct bna_mem_descr *qpt_mem,
1858 struct bna_mem_descr *swqpt_mem,
1859 struct bna_mem_descr *page_mem)
1860 {
1861 u8 *kva;
1862 u64 dma;
1863 struct bna_dma_addr bna_dma;
1864 int i;
1865
1866 rxq->qpt.hw_qpt_ptr.lsb = qpt_mem->dma.lsb;
1867 rxq->qpt.hw_qpt_ptr.msb = qpt_mem->dma.msb;
1868 rxq->qpt.kv_qpt_ptr = qpt_mem->kva;
1869 rxq->qpt.page_count = page_count;
1870 rxq->qpt.page_size = page_size;
1871
1872 rxq->rcb->sw_qpt = (void **) swqpt_mem->kva;
1873 rxq->rcb->sw_q = page_mem->kva;
1874
1875 kva = page_mem->kva;
1876 BNA_GET_DMA_ADDR(&page_mem->dma, dma);
1877
1878 for (i = 0; i < rxq->qpt.page_count; i++) {
1879 rxq->rcb->sw_qpt[i] = kva;
1880 kva += PAGE_SIZE;
1881
1882 BNA_SET_DMA_ADDR(dma, &bna_dma);
1883 ((struct bna_dma_addr *)rxq->qpt.kv_qpt_ptr)[i].lsb =
1884 bna_dma.lsb;
1885 ((struct bna_dma_addr *)rxq->qpt.kv_qpt_ptr)[i].msb =
1886 bna_dma.msb;
1887 dma += PAGE_SIZE;
1888 }
1889 }
1890
1891 static void
bna_rxp_cqpt_setup(struct bna_rxp * rxp,u32 page_count,u32 page_size,struct bna_mem_descr * qpt_mem,struct bna_mem_descr * swqpt_mem,struct bna_mem_descr * page_mem)1892 bna_rxp_cqpt_setup(struct bna_rxp *rxp,
1893 u32 page_count,
1894 u32 page_size,
1895 struct bna_mem_descr *qpt_mem,
1896 struct bna_mem_descr *swqpt_mem,
1897 struct bna_mem_descr *page_mem)
1898 {
1899 u8 *kva;
1900 u64 dma;
1901 struct bna_dma_addr bna_dma;
1902 int i;
1903
1904 rxp->cq.qpt.hw_qpt_ptr.lsb = qpt_mem->dma.lsb;
1905 rxp->cq.qpt.hw_qpt_ptr.msb = qpt_mem->dma.msb;
1906 rxp->cq.qpt.kv_qpt_ptr = qpt_mem->kva;
1907 rxp->cq.qpt.page_count = page_count;
1908 rxp->cq.qpt.page_size = page_size;
1909
1910 rxp->cq.ccb->sw_qpt = (void **) swqpt_mem->kva;
1911 rxp->cq.ccb->sw_q = page_mem->kva;
1912
1913 kva = page_mem->kva;
1914 BNA_GET_DMA_ADDR(&page_mem->dma, dma);
1915
1916 for (i = 0; i < rxp->cq.qpt.page_count; i++) {
1917 rxp->cq.ccb->sw_qpt[i] = kva;
1918 kva += PAGE_SIZE;
1919
1920 BNA_SET_DMA_ADDR(dma, &bna_dma);
1921 ((struct bna_dma_addr *)rxp->cq.qpt.kv_qpt_ptr)[i].lsb =
1922 bna_dma.lsb;
1923 ((struct bna_dma_addr *)rxp->cq.qpt.kv_qpt_ptr)[i].msb =
1924 bna_dma.msb;
1925 dma += PAGE_SIZE;
1926 }
1927 }
1928
1929 static void
bna_rx_mod_cb_rx_stopped(void * arg,struct bna_rx * rx)1930 bna_rx_mod_cb_rx_stopped(void *arg, struct bna_rx *rx)
1931 {
1932 struct bna_rx_mod *rx_mod = (struct bna_rx_mod *)arg;
1933
1934 bfa_wc_down(&rx_mod->rx_stop_wc);
1935 }
1936
1937 static void
bna_rx_mod_cb_rx_stopped_all(void * arg)1938 bna_rx_mod_cb_rx_stopped_all(void *arg)
1939 {
1940 struct bna_rx_mod *rx_mod = (struct bna_rx_mod *)arg;
1941
1942 if (rx_mod->stop_cbfn)
1943 rx_mod->stop_cbfn(&rx_mod->bna->enet);
1944 rx_mod->stop_cbfn = NULL;
1945 }
1946
1947 static void
bna_rx_start(struct bna_rx * rx)1948 bna_rx_start(struct bna_rx *rx)
1949 {
1950 rx->rx_flags |= BNA_RX_F_ENET_STARTED;
1951 if (rx->rx_flags & BNA_RX_F_ENABLED)
1952 bfa_fsm_send_event(rx, RX_E_START);
1953 }
1954
1955 static void
bna_rx_stop(struct bna_rx * rx)1956 bna_rx_stop(struct bna_rx *rx)
1957 {
1958 rx->rx_flags &= ~BNA_RX_F_ENET_STARTED;
1959 if (rx->fsm == bna_rx_sm_stopped)
1960 bna_rx_mod_cb_rx_stopped(&rx->bna->rx_mod, rx);
1961 else {
1962 rx->stop_cbfn = bna_rx_mod_cb_rx_stopped;
1963 rx->stop_cbarg = &rx->bna->rx_mod;
1964 bfa_fsm_send_event(rx, RX_E_STOP);
1965 }
1966 }
1967
1968 static void
bna_rx_fail(struct bna_rx * rx)1969 bna_rx_fail(struct bna_rx *rx)
1970 {
1971 /* Indicate Enet is not enabled, and failed */
1972 rx->rx_flags &= ~BNA_RX_F_ENET_STARTED;
1973 bfa_fsm_send_event(rx, RX_E_FAIL);
1974 }
1975
1976 void
bna_rx_mod_start(struct bna_rx_mod * rx_mod,enum bna_rx_type type)1977 bna_rx_mod_start(struct bna_rx_mod *rx_mod, enum bna_rx_type type)
1978 {
1979 struct bna_rx *rx;
1980
1981 rx_mod->flags |= BNA_RX_MOD_F_ENET_STARTED;
1982 if (type == BNA_RX_T_LOOPBACK)
1983 rx_mod->flags |= BNA_RX_MOD_F_ENET_LOOPBACK;
1984
1985 list_for_each_entry(rx, &rx_mod->rx_active_q, qe)
1986 if (rx->type == type)
1987 bna_rx_start(rx);
1988 }
1989
1990 void
bna_rx_mod_stop(struct bna_rx_mod * rx_mod,enum bna_rx_type type)1991 bna_rx_mod_stop(struct bna_rx_mod *rx_mod, enum bna_rx_type type)
1992 {
1993 struct bna_rx *rx;
1994
1995 rx_mod->flags &= ~BNA_RX_MOD_F_ENET_STARTED;
1996 rx_mod->flags &= ~BNA_RX_MOD_F_ENET_LOOPBACK;
1997
1998 rx_mod->stop_cbfn = bna_enet_cb_rx_stopped;
1999
2000 bfa_wc_init(&rx_mod->rx_stop_wc, bna_rx_mod_cb_rx_stopped_all, rx_mod);
2001
2002 list_for_each_entry(rx, &rx_mod->rx_active_q, qe)
2003 if (rx->type == type) {
2004 bfa_wc_up(&rx_mod->rx_stop_wc);
2005 bna_rx_stop(rx);
2006 }
2007
2008 bfa_wc_wait(&rx_mod->rx_stop_wc);
2009 }
2010
2011 void
bna_rx_mod_fail(struct bna_rx_mod * rx_mod)2012 bna_rx_mod_fail(struct bna_rx_mod *rx_mod)
2013 {
2014 struct bna_rx *rx;
2015
2016 rx_mod->flags &= ~BNA_RX_MOD_F_ENET_STARTED;
2017 rx_mod->flags &= ~BNA_RX_MOD_F_ENET_LOOPBACK;
2018
2019 list_for_each_entry(rx, &rx_mod->rx_active_q, qe)
2020 bna_rx_fail(rx);
2021 }
2022
bna_rx_mod_init(struct bna_rx_mod * rx_mod,struct bna * bna,struct bna_res_info * res_info)2023 void bna_rx_mod_init(struct bna_rx_mod *rx_mod, struct bna *bna,
2024 struct bna_res_info *res_info)
2025 {
2026 int index;
2027 struct bna_rx *rx_ptr;
2028 struct bna_rxp *rxp_ptr;
2029 struct bna_rxq *rxq_ptr;
2030
2031 rx_mod->bna = bna;
2032 rx_mod->flags = 0;
2033
2034 rx_mod->rx = (struct bna_rx *)
2035 res_info[BNA_MOD_RES_MEM_T_RX_ARRAY].res_u.mem_info.mdl[0].kva;
2036 rx_mod->rxp = (struct bna_rxp *)
2037 res_info[BNA_MOD_RES_MEM_T_RXP_ARRAY].res_u.mem_info.mdl[0].kva;
2038 rx_mod->rxq = (struct bna_rxq *)
2039 res_info[BNA_MOD_RES_MEM_T_RXQ_ARRAY].res_u.mem_info.mdl[0].kva;
2040
2041 /* Initialize the queues */
2042 INIT_LIST_HEAD(&rx_mod->rx_free_q);
2043 rx_mod->rx_free_count = 0;
2044 INIT_LIST_HEAD(&rx_mod->rxq_free_q);
2045 rx_mod->rxq_free_count = 0;
2046 INIT_LIST_HEAD(&rx_mod->rxp_free_q);
2047 rx_mod->rxp_free_count = 0;
2048 INIT_LIST_HEAD(&rx_mod->rx_active_q);
2049
2050 /* Build RX queues */
2051 for (index = 0; index < bna->ioceth.attr.num_rxp; index++) {
2052 rx_ptr = &rx_mod->rx[index];
2053
2054 INIT_LIST_HEAD(&rx_ptr->rxp_q);
2055 rx_ptr->bna = NULL;
2056 rx_ptr->rid = index;
2057 rx_ptr->stop_cbfn = NULL;
2058 rx_ptr->stop_cbarg = NULL;
2059
2060 list_add_tail(&rx_ptr->qe, &rx_mod->rx_free_q);
2061 rx_mod->rx_free_count++;
2062 }
2063
2064 /* build RX-path queue */
2065 for (index = 0; index < bna->ioceth.attr.num_rxp; index++) {
2066 rxp_ptr = &rx_mod->rxp[index];
2067 list_add_tail(&rxp_ptr->qe, &rx_mod->rxp_free_q);
2068 rx_mod->rxp_free_count++;
2069 }
2070
2071 /* build RXQ queue */
2072 for (index = 0; index < (bna->ioceth.attr.num_rxp * 2); index++) {
2073 rxq_ptr = &rx_mod->rxq[index];
2074 list_add_tail(&rxq_ptr->qe, &rx_mod->rxq_free_q);
2075 rx_mod->rxq_free_count++;
2076 }
2077 }
2078
2079 void
bna_rx_mod_uninit(struct bna_rx_mod * rx_mod)2080 bna_rx_mod_uninit(struct bna_rx_mod *rx_mod)
2081 {
2082 rx_mod->bna = NULL;
2083 }
2084
2085 void
bna_bfi_rx_enet_start_rsp(struct bna_rx * rx,struct bfi_msgq_mhdr * msghdr)2086 bna_bfi_rx_enet_start_rsp(struct bna_rx *rx, struct bfi_msgq_mhdr *msghdr)
2087 {
2088 struct bfi_enet_rx_cfg_rsp *cfg_rsp = &rx->bfi_enet_cmd.cfg_rsp;
2089 struct bna_rxp *rxp = NULL;
2090 struct bna_rxq *q0 = NULL, *q1 = NULL;
2091 int i;
2092
2093 bfa_msgq_rsp_copy(&rx->bna->msgq, (u8 *)cfg_rsp,
2094 sizeof(struct bfi_enet_rx_cfg_rsp));
2095
2096 rx->hw_id = cfg_rsp->hw_id;
2097
2098 for (i = 0, rxp = list_first_entry(&rx->rxp_q, struct bna_rxp, qe);
2099 i < rx->num_paths; i++, rxp = list_next_entry(rxp, qe)) {
2100 GET_RXQS(rxp, q0, q1);
2101
2102 /* Setup doorbells */
2103 rxp->cq.ccb->i_dbell->doorbell_addr =
2104 rx->bna->pcidev.pci_bar_kva
2105 + ntohl(cfg_rsp->q_handles[i].i_dbell);
2106 rxp->hw_id = cfg_rsp->q_handles[i].hw_cqid;
2107 q0->rcb->q_dbell =
2108 rx->bna->pcidev.pci_bar_kva
2109 + ntohl(cfg_rsp->q_handles[i].ql_dbell);
2110 q0->hw_id = cfg_rsp->q_handles[i].hw_lqid;
2111 if (q1) {
2112 q1->rcb->q_dbell =
2113 rx->bna->pcidev.pci_bar_kva
2114 + ntohl(cfg_rsp->q_handles[i].qs_dbell);
2115 q1->hw_id = cfg_rsp->q_handles[i].hw_sqid;
2116 }
2117
2118 /* Initialize producer/consumer indexes */
2119 (*rxp->cq.ccb->hw_producer_index) = 0;
2120 rxp->cq.ccb->producer_index = 0;
2121 q0->rcb->producer_index = q0->rcb->consumer_index = 0;
2122 if (q1)
2123 q1->rcb->producer_index = q1->rcb->consumer_index = 0;
2124 }
2125
2126 bfa_fsm_send_event(rx, RX_E_STARTED);
2127 }
2128
2129 void
bna_bfi_rx_enet_stop_rsp(struct bna_rx * rx,struct bfi_msgq_mhdr * msghdr)2130 bna_bfi_rx_enet_stop_rsp(struct bna_rx *rx, struct bfi_msgq_mhdr *msghdr)
2131 {
2132 bfa_fsm_send_event(rx, RX_E_STOPPED);
2133 }
2134
2135 void
bna_rx_res_req(struct bna_rx_config * q_cfg,struct bna_res_info * res_info)2136 bna_rx_res_req(struct bna_rx_config *q_cfg, struct bna_res_info *res_info)
2137 {
2138 u32 cq_size, hq_size, dq_size;
2139 u32 cpage_count, hpage_count, dpage_count;
2140 struct bna_mem_info *mem_info;
2141 u32 cq_depth;
2142 u32 hq_depth;
2143 u32 dq_depth;
2144
2145 dq_depth = q_cfg->q0_depth;
2146 hq_depth = ((q_cfg->rxp_type == BNA_RXP_SINGLE) ? 0 : q_cfg->q1_depth);
2147 cq_depth = roundup_pow_of_two(dq_depth + hq_depth);
2148
2149 cq_size = cq_depth * BFI_CQ_WI_SIZE;
2150 cq_size = ALIGN(cq_size, PAGE_SIZE);
2151 cpage_count = SIZE_TO_PAGES(cq_size);
2152
2153 dq_depth = roundup_pow_of_two(dq_depth);
2154 dq_size = dq_depth * BFI_RXQ_WI_SIZE;
2155 dq_size = ALIGN(dq_size, PAGE_SIZE);
2156 dpage_count = SIZE_TO_PAGES(dq_size);
2157
2158 if (BNA_RXP_SINGLE != q_cfg->rxp_type) {
2159 hq_depth = roundup_pow_of_two(hq_depth);
2160 hq_size = hq_depth * BFI_RXQ_WI_SIZE;
2161 hq_size = ALIGN(hq_size, PAGE_SIZE);
2162 hpage_count = SIZE_TO_PAGES(hq_size);
2163 } else
2164 hpage_count = 0;
2165
2166 res_info[BNA_RX_RES_MEM_T_CCB].res_type = BNA_RES_T_MEM;
2167 mem_info = &res_info[BNA_RX_RES_MEM_T_CCB].res_u.mem_info;
2168 mem_info->mem_type = BNA_MEM_T_KVA;
2169 mem_info->len = sizeof(struct bna_ccb);
2170 mem_info->num = q_cfg->num_paths;
2171
2172 res_info[BNA_RX_RES_MEM_T_RCB].res_type = BNA_RES_T_MEM;
2173 mem_info = &res_info[BNA_RX_RES_MEM_T_RCB].res_u.mem_info;
2174 mem_info->mem_type = BNA_MEM_T_KVA;
2175 mem_info->len = sizeof(struct bna_rcb);
2176 mem_info->num = BNA_GET_RXQS(q_cfg);
2177
2178 res_info[BNA_RX_RES_MEM_T_CQPT].res_type = BNA_RES_T_MEM;
2179 mem_info = &res_info[BNA_RX_RES_MEM_T_CQPT].res_u.mem_info;
2180 mem_info->mem_type = BNA_MEM_T_DMA;
2181 mem_info->len = cpage_count * sizeof(struct bna_dma_addr);
2182 mem_info->num = q_cfg->num_paths;
2183
2184 res_info[BNA_RX_RES_MEM_T_CSWQPT].res_type = BNA_RES_T_MEM;
2185 mem_info = &res_info[BNA_RX_RES_MEM_T_CSWQPT].res_u.mem_info;
2186 mem_info->mem_type = BNA_MEM_T_KVA;
2187 mem_info->len = cpage_count * sizeof(void *);
2188 mem_info->num = q_cfg->num_paths;
2189
2190 res_info[BNA_RX_RES_MEM_T_CQPT_PAGE].res_type = BNA_RES_T_MEM;
2191 mem_info = &res_info[BNA_RX_RES_MEM_T_CQPT_PAGE].res_u.mem_info;
2192 mem_info->mem_type = BNA_MEM_T_DMA;
2193 mem_info->len = PAGE_SIZE * cpage_count;
2194 mem_info->num = q_cfg->num_paths;
2195
2196 res_info[BNA_RX_RES_MEM_T_DQPT].res_type = BNA_RES_T_MEM;
2197 mem_info = &res_info[BNA_RX_RES_MEM_T_DQPT].res_u.mem_info;
2198 mem_info->mem_type = BNA_MEM_T_DMA;
2199 mem_info->len = dpage_count * sizeof(struct bna_dma_addr);
2200 mem_info->num = q_cfg->num_paths;
2201
2202 res_info[BNA_RX_RES_MEM_T_DSWQPT].res_type = BNA_RES_T_MEM;
2203 mem_info = &res_info[BNA_RX_RES_MEM_T_DSWQPT].res_u.mem_info;
2204 mem_info->mem_type = BNA_MEM_T_KVA;
2205 mem_info->len = dpage_count * sizeof(void *);
2206 mem_info->num = q_cfg->num_paths;
2207
2208 res_info[BNA_RX_RES_MEM_T_DPAGE].res_type = BNA_RES_T_MEM;
2209 mem_info = &res_info[BNA_RX_RES_MEM_T_DPAGE].res_u.mem_info;
2210 mem_info->mem_type = BNA_MEM_T_DMA;
2211 mem_info->len = PAGE_SIZE * dpage_count;
2212 mem_info->num = q_cfg->num_paths;
2213
2214 res_info[BNA_RX_RES_MEM_T_HQPT].res_type = BNA_RES_T_MEM;
2215 mem_info = &res_info[BNA_RX_RES_MEM_T_HQPT].res_u.mem_info;
2216 mem_info->mem_type = BNA_MEM_T_DMA;
2217 mem_info->len = hpage_count * sizeof(struct bna_dma_addr);
2218 mem_info->num = (hpage_count ? q_cfg->num_paths : 0);
2219
2220 res_info[BNA_RX_RES_MEM_T_HSWQPT].res_type = BNA_RES_T_MEM;
2221 mem_info = &res_info[BNA_RX_RES_MEM_T_HSWQPT].res_u.mem_info;
2222 mem_info->mem_type = BNA_MEM_T_KVA;
2223 mem_info->len = hpage_count * sizeof(void *);
2224 mem_info->num = (hpage_count ? q_cfg->num_paths : 0);
2225
2226 res_info[BNA_RX_RES_MEM_T_HPAGE].res_type = BNA_RES_T_MEM;
2227 mem_info = &res_info[BNA_RX_RES_MEM_T_HPAGE].res_u.mem_info;
2228 mem_info->mem_type = BNA_MEM_T_DMA;
2229 mem_info->len = PAGE_SIZE * hpage_count;
2230 mem_info->num = (hpage_count ? q_cfg->num_paths : 0);
2231
2232 res_info[BNA_RX_RES_MEM_T_IBIDX].res_type = BNA_RES_T_MEM;
2233 mem_info = &res_info[BNA_RX_RES_MEM_T_IBIDX].res_u.mem_info;
2234 mem_info->mem_type = BNA_MEM_T_DMA;
2235 mem_info->len = BFI_IBIDX_SIZE;
2236 mem_info->num = q_cfg->num_paths;
2237
2238 res_info[BNA_RX_RES_MEM_T_RIT].res_type = BNA_RES_T_MEM;
2239 mem_info = &res_info[BNA_RX_RES_MEM_T_RIT].res_u.mem_info;
2240 mem_info->mem_type = BNA_MEM_T_KVA;
2241 mem_info->len = BFI_ENET_RSS_RIT_MAX;
2242 mem_info->num = 1;
2243
2244 res_info[BNA_RX_RES_T_INTR].res_type = BNA_RES_T_INTR;
2245 res_info[BNA_RX_RES_T_INTR].res_u.intr_info.intr_type = BNA_INTR_T_MSIX;
2246 res_info[BNA_RX_RES_T_INTR].res_u.intr_info.num = q_cfg->num_paths;
2247 }
2248
2249 struct bna_rx *
bna_rx_create(struct bna * bna,struct bnad * bnad,struct bna_rx_config * rx_cfg,const struct bna_rx_event_cbfn * rx_cbfn,struct bna_res_info * res_info,void * priv)2250 bna_rx_create(struct bna *bna, struct bnad *bnad,
2251 struct bna_rx_config *rx_cfg,
2252 const struct bna_rx_event_cbfn *rx_cbfn,
2253 struct bna_res_info *res_info,
2254 void *priv)
2255 {
2256 struct bna_rx_mod *rx_mod = &bna->rx_mod;
2257 struct bna_rx *rx;
2258 struct bna_rxp *rxp;
2259 struct bna_rxq *q0;
2260 struct bna_rxq *q1;
2261 struct bna_intr_info *intr_info;
2262 struct bna_mem_descr *hqunmap_mem;
2263 struct bna_mem_descr *dqunmap_mem;
2264 struct bna_mem_descr *ccb_mem;
2265 struct bna_mem_descr *rcb_mem;
2266 struct bna_mem_descr *cqpt_mem;
2267 struct bna_mem_descr *cswqpt_mem;
2268 struct bna_mem_descr *cpage_mem;
2269 struct bna_mem_descr *hqpt_mem;
2270 struct bna_mem_descr *dqpt_mem;
2271 struct bna_mem_descr *hsqpt_mem;
2272 struct bna_mem_descr *dsqpt_mem;
2273 struct bna_mem_descr *hpage_mem;
2274 struct bna_mem_descr *dpage_mem;
2275 u32 dpage_count, hpage_count;
2276 u32 hq_idx, dq_idx, rcb_idx;
2277 u32 cq_depth, i;
2278 u32 page_count;
2279
2280 if (!bna_rx_res_check(rx_mod, rx_cfg))
2281 return NULL;
2282
2283 intr_info = &res_info[BNA_RX_RES_T_INTR].res_u.intr_info;
2284 ccb_mem = &res_info[BNA_RX_RES_MEM_T_CCB].res_u.mem_info.mdl[0];
2285 rcb_mem = &res_info[BNA_RX_RES_MEM_T_RCB].res_u.mem_info.mdl[0];
2286 dqunmap_mem = &res_info[BNA_RX_RES_MEM_T_UNMAPDQ].res_u.mem_info.mdl[0];
2287 hqunmap_mem = &res_info[BNA_RX_RES_MEM_T_UNMAPHQ].res_u.mem_info.mdl[0];
2288 cqpt_mem = &res_info[BNA_RX_RES_MEM_T_CQPT].res_u.mem_info.mdl[0];
2289 cswqpt_mem = &res_info[BNA_RX_RES_MEM_T_CSWQPT].res_u.mem_info.mdl[0];
2290 cpage_mem = &res_info[BNA_RX_RES_MEM_T_CQPT_PAGE].res_u.mem_info.mdl[0];
2291 hqpt_mem = &res_info[BNA_RX_RES_MEM_T_HQPT].res_u.mem_info.mdl[0];
2292 dqpt_mem = &res_info[BNA_RX_RES_MEM_T_DQPT].res_u.mem_info.mdl[0];
2293 hsqpt_mem = &res_info[BNA_RX_RES_MEM_T_HSWQPT].res_u.mem_info.mdl[0];
2294 dsqpt_mem = &res_info[BNA_RX_RES_MEM_T_DSWQPT].res_u.mem_info.mdl[0];
2295 hpage_mem = &res_info[BNA_RX_RES_MEM_T_HPAGE].res_u.mem_info.mdl[0];
2296 dpage_mem = &res_info[BNA_RX_RES_MEM_T_DPAGE].res_u.mem_info.mdl[0];
2297
2298 page_count = res_info[BNA_RX_RES_MEM_T_CQPT_PAGE].res_u.mem_info.len /
2299 PAGE_SIZE;
2300
2301 dpage_count = res_info[BNA_RX_RES_MEM_T_DPAGE].res_u.mem_info.len /
2302 PAGE_SIZE;
2303
2304 hpage_count = res_info[BNA_RX_RES_MEM_T_HPAGE].res_u.mem_info.len /
2305 PAGE_SIZE;
2306
2307 rx = bna_rx_get(rx_mod, rx_cfg->rx_type);
2308 rx->bna = bna;
2309 rx->rx_flags = 0;
2310 INIT_LIST_HEAD(&rx->rxp_q);
2311 rx->stop_cbfn = NULL;
2312 rx->stop_cbarg = NULL;
2313 rx->priv = priv;
2314
2315 rx->rcb_setup_cbfn = rx_cbfn->rcb_setup_cbfn;
2316 rx->rcb_destroy_cbfn = rx_cbfn->rcb_destroy_cbfn;
2317 rx->ccb_setup_cbfn = rx_cbfn->ccb_setup_cbfn;
2318 rx->ccb_destroy_cbfn = rx_cbfn->ccb_destroy_cbfn;
2319 rx->rx_stall_cbfn = rx_cbfn->rx_stall_cbfn;
2320 /* Following callbacks are mandatory */
2321 rx->rx_cleanup_cbfn = rx_cbfn->rx_cleanup_cbfn;
2322 rx->rx_post_cbfn = rx_cbfn->rx_post_cbfn;
2323
2324 if (rx->bna->rx_mod.flags & BNA_RX_MOD_F_ENET_STARTED) {
2325 switch (rx->type) {
2326 case BNA_RX_T_REGULAR:
2327 if (!(rx->bna->rx_mod.flags &
2328 BNA_RX_MOD_F_ENET_LOOPBACK))
2329 rx->rx_flags |= BNA_RX_F_ENET_STARTED;
2330 break;
2331 case BNA_RX_T_LOOPBACK:
2332 if (rx->bna->rx_mod.flags & BNA_RX_MOD_F_ENET_LOOPBACK)
2333 rx->rx_flags |= BNA_RX_F_ENET_STARTED;
2334 break;
2335 }
2336 }
2337
2338 rx->num_paths = rx_cfg->num_paths;
2339 for (i = 0, hq_idx = 0, dq_idx = 0, rcb_idx = 0;
2340 i < rx->num_paths; i++) {
2341 rxp = bna_rxp_get(rx_mod);
2342 list_add_tail(&rxp->qe, &rx->rxp_q);
2343 rxp->type = rx_cfg->rxp_type;
2344 rxp->rx = rx;
2345 rxp->cq.rx = rx;
2346
2347 q0 = bna_rxq_get(rx_mod);
2348 if (BNA_RXP_SINGLE == rx_cfg->rxp_type)
2349 q1 = NULL;
2350 else
2351 q1 = bna_rxq_get(rx_mod);
2352
2353 if (1 == intr_info->num)
2354 rxp->vector = intr_info->idl[0].vector;
2355 else
2356 rxp->vector = intr_info->idl[i].vector;
2357
2358 /* Setup IB */
2359
2360 rxp->cq.ib.ib_seg_host_addr.lsb =
2361 res_info[BNA_RX_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].dma.lsb;
2362 rxp->cq.ib.ib_seg_host_addr.msb =
2363 res_info[BNA_RX_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].dma.msb;
2364 rxp->cq.ib.ib_seg_host_addr_kva =
2365 res_info[BNA_RX_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].kva;
2366 rxp->cq.ib.intr_type = intr_info->intr_type;
2367 if (intr_info->intr_type == BNA_INTR_T_MSIX)
2368 rxp->cq.ib.intr_vector = rxp->vector;
2369 else
2370 rxp->cq.ib.intr_vector = BIT(rxp->vector);
2371 rxp->cq.ib.coalescing_timeo = rx_cfg->coalescing_timeo;
2372 rxp->cq.ib.interpkt_count = BFI_RX_INTERPKT_COUNT;
2373 rxp->cq.ib.interpkt_timeo = BFI_RX_INTERPKT_TIMEO;
2374
2375 bna_rxp_add_rxqs(rxp, q0, q1);
2376
2377 /* Setup large Q */
2378
2379 q0->rx = rx;
2380 q0->rxp = rxp;
2381
2382 q0->rcb = (struct bna_rcb *) rcb_mem[rcb_idx].kva;
2383 q0->rcb->unmap_q = (void *)dqunmap_mem[dq_idx].kva;
2384 rcb_idx++; dq_idx++;
2385 q0->rcb->q_depth = rx_cfg->q0_depth;
2386 q0->q_depth = rx_cfg->q0_depth;
2387 q0->multi_buffer = rx_cfg->q0_multi_buf;
2388 q0->buffer_size = rx_cfg->q0_buf_size;
2389 q0->num_vecs = rx_cfg->q0_num_vecs;
2390 q0->rcb->rxq = q0;
2391 q0->rcb->bnad = bna->bnad;
2392 q0->rcb->id = 0;
2393 q0->rx_packets = q0->rx_bytes = 0;
2394 q0->rx_packets_with_error = q0->rxbuf_alloc_failed = 0;
2395 q0->rxbuf_map_failed = 0;
2396
2397 bna_rxq_qpt_setup(q0, rxp, dpage_count, PAGE_SIZE,
2398 &dqpt_mem[i], &dsqpt_mem[i], &dpage_mem[i]);
2399
2400 if (rx->rcb_setup_cbfn)
2401 rx->rcb_setup_cbfn(bnad, q0->rcb);
2402
2403 /* Setup small Q */
2404
2405 if (q1) {
2406 q1->rx = rx;
2407 q1->rxp = rxp;
2408
2409 q1->rcb = (struct bna_rcb *) rcb_mem[rcb_idx].kva;
2410 q1->rcb->unmap_q = (void *)hqunmap_mem[hq_idx].kva;
2411 rcb_idx++; hq_idx++;
2412 q1->rcb->q_depth = rx_cfg->q1_depth;
2413 q1->q_depth = rx_cfg->q1_depth;
2414 q1->multi_buffer = BNA_STATUS_T_DISABLED;
2415 q1->num_vecs = 1;
2416 q1->rcb->rxq = q1;
2417 q1->rcb->bnad = bna->bnad;
2418 q1->rcb->id = 1;
2419 q1->buffer_size = (rx_cfg->rxp_type == BNA_RXP_HDS) ?
2420 rx_cfg->hds_config.forced_offset
2421 : rx_cfg->q1_buf_size;
2422 q1->rx_packets = q1->rx_bytes = 0;
2423 q1->rx_packets_with_error = q1->rxbuf_alloc_failed = 0;
2424 q1->rxbuf_map_failed = 0;
2425
2426 bna_rxq_qpt_setup(q1, rxp, hpage_count, PAGE_SIZE,
2427 &hqpt_mem[i], &hsqpt_mem[i],
2428 &hpage_mem[i]);
2429
2430 if (rx->rcb_setup_cbfn)
2431 rx->rcb_setup_cbfn(bnad, q1->rcb);
2432 }
2433
2434 /* Setup CQ */
2435
2436 rxp->cq.ccb = (struct bna_ccb *) ccb_mem[i].kva;
2437 cq_depth = rx_cfg->q0_depth +
2438 ((rx_cfg->rxp_type == BNA_RXP_SINGLE) ?
2439 0 : rx_cfg->q1_depth);
2440 /* if multi-buffer is enabled sum of q0_depth
2441 * and q1_depth need not be a power of 2
2442 */
2443 cq_depth = roundup_pow_of_two(cq_depth);
2444 rxp->cq.ccb->q_depth = cq_depth;
2445 rxp->cq.ccb->cq = &rxp->cq;
2446 rxp->cq.ccb->rcb[0] = q0->rcb;
2447 q0->rcb->ccb = rxp->cq.ccb;
2448 if (q1) {
2449 rxp->cq.ccb->rcb[1] = q1->rcb;
2450 q1->rcb->ccb = rxp->cq.ccb;
2451 }
2452 rxp->cq.ccb->hw_producer_index =
2453 (u32 *)rxp->cq.ib.ib_seg_host_addr_kva;
2454 rxp->cq.ccb->i_dbell = &rxp->cq.ib.door_bell;
2455 rxp->cq.ccb->intr_type = rxp->cq.ib.intr_type;
2456 rxp->cq.ccb->intr_vector = rxp->cq.ib.intr_vector;
2457 rxp->cq.ccb->rx_coalescing_timeo =
2458 rxp->cq.ib.coalescing_timeo;
2459 rxp->cq.ccb->pkt_rate.small_pkt_cnt = 0;
2460 rxp->cq.ccb->pkt_rate.large_pkt_cnt = 0;
2461 rxp->cq.ccb->bnad = bna->bnad;
2462 rxp->cq.ccb->id = i;
2463
2464 bna_rxp_cqpt_setup(rxp, page_count, PAGE_SIZE,
2465 &cqpt_mem[i], &cswqpt_mem[i], &cpage_mem[i]);
2466
2467 if (rx->ccb_setup_cbfn)
2468 rx->ccb_setup_cbfn(bnad, rxp->cq.ccb);
2469 }
2470
2471 rx->hds_cfg = rx_cfg->hds_config;
2472
2473 bna_rxf_init(&rx->rxf, rx, rx_cfg, res_info);
2474
2475 bfa_fsm_set_state(rx, bna_rx_sm_stopped);
2476
2477 rx_mod->rid_mask |= BIT(rx->rid);
2478
2479 return rx;
2480 }
2481
2482 void
bna_rx_destroy(struct bna_rx * rx)2483 bna_rx_destroy(struct bna_rx *rx)
2484 {
2485 struct bna_rx_mod *rx_mod = &rx->bna->rx_mod;
2486 struct bna_rxq *q0 = NULL;
2487 struct bna_rxq *q1 = NULL;
2488 struct bna_rxp *rxp;
2489 struct list_head *qe;
2490
2491 bna_rxf_uninit(&rx->rxf);
2492
2493 while (!list_empty(&rx->rxp_q)) {
2494 rxp = list_first_entry(&rx->rxp_q, struct bna_rxp, qe);
2495 list_del(&rxp->qe);
2496 GET_RXQS(rxp, q0, q1);
2497 if (rx->rcb_destroy_cbfn)
2498 rx->rcb_destroy_cbfn(rx->bna->bnad, q0->rcb);
2499 q0->rcb = NULL;
2500 q0->rxp = NULL;
2501 q0->rx = NULL;
2502 bna_rxq_put(rx_mod, q0);
2503
2504 if (q1) {
2505 if (rx->rcb_destroy_cbfn)
2506 rx->rcb_destroy_cbfn(rx->bna->bnad, q1->rcb);
2507 q1->rcb = NULL;
2508 q1->rxp = NULL;
2509 q1->rx = NULL;
2510 bna_rxq_put(rx_mod, q1);
2511 }
2512 rxp->rxq.slr.large = NULL;
2513 rxp->rxq.slr.small = NULL;
2514
2515 if (rx->ccb_destroy_cbfn)
2516 rx->ccb_destroy_cbfn(rx->bna->bnad, rxp->cq.ccb);
2517 rxp->cq.ccb = NULL;
2518 rxp->rx = NULL;
2519 bna_rxp_put(rx_mod, rxp);
2520 }
2521
2522 list_for_each(qe, &rx_mod->rx_active_q)
2523 if (qe == &rx->qe) {
2524 list_del(&rx->qe);
2525 break;
2526 }
2527
2528 rx_mod->rid_mask &= ~BIT(rx->rid);
2529
2530 rx->bna = NULL;
2531 rx->priv = NULL;
2532 bna_rx_put(rx_mod, rx);
2533 }
2534
2535 void
bna_rx_enable(struct bna_rx * rx)2536 bna_rx_enable(struct bna_rx *rx)
2537 {
2538 if (rx->fsm != bna_rx_sm_stopped)
2539 return;
2540
2541 rx->rx_flags |= BNA_RX_F_ENABLED;
2542 if (rx->rx_flags & BNA_RX_F_ENET_STARTED)
2543 bfa_fsm_send_event(rx, RX_E_START);
2544 }
2545
2546 void
bna_rx_disable(struct bna_rx * rx,enum bna_cleanup_type type,void (* cbfn)(void *,struct bna_rx *))2547 bna_rx_disable(struct bna_rx *rx, enum bna_cleanup_type type,
2548 void (*cbfn)(void *, struct bna_rx *))
2549 {
2550 if (type == BNA_SOFT_CLEANUP) {
2551 /* h/w should not be accessed. Treat we're stopped */
2552 (*cbfn)(rx->bna->bnad, rx);
2553 } else {
2554 rx->stop_cbfn = cbfn;
2555 rx->stop_cbarg = rx->bna->bnad;
2556
2557 rx->rx_flags &= ~BNA_RX_F_ENABLED;
2558
2559 bfa_fsm_send_event(rx, RX_E_STOP);
2560 }
2561 }
2562
2563 void
bna_rx_cleanup_complete(struct bna_rx * rx)2564 bna_rx_cleanup_complete(struct bna_rx *rx)
2565 {
2566 bfa_fsm_send_event(rx, RX_E_CLEANUP_DONE);
2567 }
2568
2569 void
bna_rx_vlan_strip_enable(struct bna_rx * rx)2570 bna_rx_vlan_strip_enable(struct bna_rx *rx)
2571 {
2572 struct bna_rxf *rxf = &rx->rxf;
2573
2574 if (rxf->vlan_strip_status == BNA_STATUS_T_DISABLED) {
2575 rxf->vlan_strip_status = BNA_STATUS_T_ENABLED;
2576 rxf->vlan_strip_pending = true;
2577 bfa_fsm_send_event(rxf, RXF_E_CONFIG);
2578 }
2579 }
2580
2581 void
bna_rx_vlan_strip_disable(struct bna_rx * rx)2582 bna_rx_vlan_strip_disable(struct bna_rx *rx)
2583 {
2584 struct bna_rxf *rxf = &rx->rxf;
2585
2586 if (rxf->vlan_strip_status != BNA_STATUS_T_DISABLED) {
2587 rxf->vlan_strip_status = BNA_STATUS_T_DISABLED;
2588 rxf->vlan_strip_pending = true;
2589 bfa_fsm_send_event(rxf, RXF_E_CONFIG);
2590 }
2591 }
2592
2593 enum bna_cb_status
bna_rx_mode_set(struct bna_rx * rx,enum bna_rxmode new_mode,enum bna_rxmode bitmask)2594 bna_rx_mode_set(struct bna_rx *rx, enum bna_rxmode new_mode,
2595 enum bna_rxmode bitmask)
2596 {
2597 struct bna_rxf *rxf = &rx->rxf;
2598 int need_hw_config = 0;
2599
2600 /* Error checks */
2601
2602 if (is_promisc_enable(new_mode, bitmask)) {
2603 /* If promisc mode is already enabled elsewhere in the system */
2604 if ((rx->bna->promisc_rid != BFI_INVALID_RID) &&
2605 (rx->bna->promisc_rid != rxf->rx->rid))
2606 goto err_return;
2607
2608 /* If default mode is already enabled in the system */
2609 if (rx->bna->default_mode_rid != BFI_INVALID_RID)
2610 goto err_return;
2611
2612 /* Trying to enable promiscuous and default mode together */
2613 if (is_default_enable(new_mode, bitmask))
2614 goto err_return;
2615 }
2616
2617 if (is_default_enable(new_mode, bitmask)) {
2618 /* If default mode is already enabled elsewhere in the system */
2619 if ((rx->bna->default_mode_rid != BFI_INVALID_RID) &&
2620 (rx->bna->default_mode_rid != rxf->rx->rid)) {
2621 goto err_return;
2622 }
2623
2624 /* If promiscuous mode is already enabled in the system */
2625 if (rx->bna->promisc_rid != BFI_INVALID_RID)
2626 goto err_return;
2627 }
2628
2629 /* Process the commands */
2630
2631 if (is_promisc_enable(new_mode, bitmask)) {
2632 if (bna_rxf_promisc_enable(rxf))
2633 need_hw_config = 1;
2634 } else if (is_promisc_disable(new_mode, bitmask)) {
2635 if (bna_rxf_promisc_disable(rxf))
2636 need_hw_config = 1;
2637 }
2638
2639 if (is_allmulti_enable(new_mode, bitmask)) {
2640 if (bna_rxf_allmulti_enable(rxf))
2641 need_hw_config = 1;
2642 } else if (is_allmulti_disable(new_mode, bitmask)) {
2643 if (bna_rxf_allmulti_disable(rxf))
2644 need_hw_config = 1;
2645 }
2646
2647 /* Trigger h/w if needed */
2648
2649 if (need_hw_config) {
2650 rxf->cam_fltr_cbfn = NULL;
2651 rxf->cam_fltr_cbarg = rx->bna->bnad;
2652 bfa_fsm_send_event(rxf, RXF_E_CONFIG);
2653 }
2654
2655 return BNA_CB_SUCCESS;
2656
2657 err_return:
2658 return BNA_CB_FAIL;
2659 }
2660
2661 void
bna_rx_vlanfilter_enable(struct bna_rx * rx)2662 bna_rx_vlanfilter_enable(struct bna_rx *rx)
2663 {
2664 struct bna_rxf *rxf = &rx->rxf;
2665
2666 if (rxf->vlan_filter_status == BNA_STATUS_T_DISABLED) {
2667 rxf->vlan_filter_status = BNA_STATUS_T_ENABLED;
2668 rxf->vlan_pending_bitmask = (u8)BFI_VLAN_BMASK_ALL;
2669 bfa_fsm_send_event(rxf, RXF_E_CONFIG);
2670 }
2671 }
2672
2673 void
bna_rx_coalescing_timeo_set(struct bna_rx * rx,int coalescing_timeo)2674 bna_rx_coalescing_timeo_set(struct bna_rx *rx, int coalescing_timeo)
2675 {
2676 struct bna_rxp *rxp;
2677
2678 list_for_each_entry(rxp, &rx->rxp_q, qe) {
2679 rxp->cq.ccb->rx_coalescing_timeo = coalescing_timeo;
2680 bna_ib_coalescing_timeo_set(&rxp->cq.ib, coalescing_timeo);
2681 }
2682 }
2683
2684 void
bna_rx_dim_reconfig(struct bna * bna,const u32 vector[][BNA_BIAS_T_MAX])2685 bna_rx_dim_reconfig(struct bna *bna, const u32 vector[][BNA_BIAS_T_MAX])
2686 {
2687 int i, j;
2688
2689 for (i = 0; i < BNA_LOAD_T_MAX; i++)
2690 for (j = 0; j < BNA_BIAS_T_MAX; j++)
2691 bna->rx_mod.dim_vector[i][j] = vector[i][j];
2692 }
2693
2694 void
bna_rx_dim_update(struct bna_ccb * ccb)2695 bna_rx_dim_update(struct bna_ccb *ccb)
2696 {
2697 struct bna *bna = ccb->cq->rx->bna;
2698 u32 load, bias;
2699 u32 pkt_rt, small_rt, large_rt;
2700 u8 coalescing_timeo;
2701
2702 if ((ccb->pkt_rate.small_pkt_cnt == 0) &&
2703 (ccb->pkt_rate.large_pkt_cnt == 0))
2704 return;
2705
2706 /* Arrive at preconfigured coalescing timeo value based on pkt rate */
2707
2708 small_rt = ccb->pkt_rate.small_pkt_cnt;
2709 large_rt = ccb->pkt_rate.large_pkt_cnt;
2710
2711 pkt_rt = small_rt + large_rt;
2712
2713 if (pkt_rt < BNA_PKT_RATE_10K)
2714 load = BNA_LOAD_T_LOW_4;
2715 else if (pkt_rt < BNA_PKT_RATE_20K)
2716 load = BNA_LOAD_T_LOW_3;
2717 else if (pkt_rt < BNA_PKT_RATE_30K)
2718 load = BNA_LOAD_T_LOW_2;
2719 else if (pkt_rt < BNA_PKT_RATE_40K)
2720 load = BNA_LOAD_T_LOW_1;
2721 else if (pkt_rt < BNA_PKT_RATE_50K)
2722 load = BNA_LOAD_T_HIGH_1;
2723 else if (pkt_rt < BNA_PKT_RATE_60K)
2724 load = BNA_LOAD_T_HIGH_2;
2725 else if (pkt_rt < BNA_PKT_RATE_80K)
2726 load = BNA_LOAD_T_HIGH_3;
2727 else
2728 load = BNA_LOAD_T_HIGH_4;
2729
2730 if (small_rt > (large_rt << 1))
2731 bias = 0;
2732 else
2733 bias = 1;
2734
2735 ccb->pkt_rate.small_pkt_cnt = 0;
2736 ccb->pkt_rate.large_pkt_cnt = 0;
2737
2738 coalescing_timeo = bna->rx_mod.dim_vector[load][bias];
2739 ccb->rx_coalescing_timeo = coalescing_timeo;
2740
2741 /* Set it to IB */
2742 bna_ib_coalescing_timeo_set(&ccb->cq->ib, coalescing_timeo);
2743 }
2744
2745 const u32 bna_napi_dim_vector[BNA_LOAD_T_MAX][BNA_BIAS_T_MAX] = {
2746 {12, 12},
2747 {6, 10},
2748 {5, 10},
2749 {4, 8},
2750 {3, 6},
2751 {3, 6},
2752 {2, 4},
2753 {1, 2},
2754 };
2755
2756 /* TX */
2757
2758 #define call_tx_stop_cbfn(tx) \
2759 do { \
2760 if ((tx)->stop_cbfn) { \
2761 void (*cbfn)(void *, struct bna_tx *); \
2762 void *cbarg; \
2763 cbfn = (tx)->stop_cbfn; \
2764 cbarg = (tx)->stop_cbarg; \
2765 (tx)->stop_cbfn = NULL; \
2766 (tx)->stop_cbarg = NULL; \
2767 cbfn(cbarg, (tx)); \
2768 } \
2769 } while (0)
2770
2771 static void bna_tx_mod_cb_tx_stopped(void *tx_mod, struct bna_tx *tx);
2772 static void bna_bfi_tx_enet_start(struct bna_tx *tx);
2773 static void bna_tx_enet_stop(struct bna_tx *tx);
2774
2775 enum bna_tx_event {
2776 TX_E_START = 1,
2777 TX_E_STOP = 2,
2778 TX_E_FAIL = 3,
2779 TX_E_STARTED = 4,
2780 TX_E_STOPPED = 5,
2781 TX_E_CLEANUP_DONE = 7,
2782 TX_E_BW_UPDATE = 8,
2783 };
2784
2785 bfa_fsm_state_decl(bna_tx, stopped, struct bna_tx, enum bna_tx_event);
2786 bfa_fsm_state_decl(bna_tx, start_wait, struct bna_tx, enum bna_tx_event);
2787 bfa_fsm_state_decl(bna_tx, started, struct bna_tx, enum bna_tx_event);
2788 bfa_fsm_state_decl(bna_tx, stop_wait, struct bna_tx, enum bna_tx_event);
2789 bfa_fsm_state_decl(bna_tx, cleanup_wait, struct bna_tx,
2790 enum bna_tx_event);
2791 bfa_fsm_state_decl(bna_tx, prio_stop_wait, struct bna_tx,
2792 enum bna_tx_event);
2793 bfa_fsm_state_decl(bna_tx, prio_cleanup_wait, struct bna_tx,
2794 enum bna_tx_event);
2795 bfa_fsm_state_decl(bna_tx, failed, struct bna_tx, enum bna_tx_event);
2796 bfa_fsm_state_decl(bna_tx, quiesce_wait, struct bna_tx,
2797 enum bna_tx_event);
2798
2799 static void
bna_tx_sm_stopped_entry(struct bna_tx * tx)2800 bna_tx_sm_stopped_entry(struct bna_tx *tx)
2801 {
2802 call_tx_stop_cbfn(tx);
2803 }
2804
2805 static void
bna_tx_sm_stopped(struct bna_tx * tx,enum bna_tx_event event)2806 bna_tx_sm_stopped(struct bna_tx *tx, enum bna_tx_event event)
2807 {
2808 switch (event) {
2809 case TX_E_START:
2810 bfa_fsm_set_state(tx, bna_tx_sm_start_wait);
2811 break;
2812
2813 case TX_E_STOP:
2814 call_tx_stop_cbfn(tx);
2815 break;
2816
2817 case TX_E_FAIL:
2818 /* No-op */
2819 break;
2820
2821 case TX_E_BW_UPDATE:
2822 /* No-op */
2823 break;
2824
2825 default:
2826 bfa_sm_fault(event);
2827 }
2828 }
2829
2830 static void
bna_tx_sm_start_wait_entry(struct bna_tx * tx)2831 bna_tx_sm_start_wait_entry(struct bna_tx *tx)
2832 {
2833 bna_bfi_tx_enet_start(tx);
2834 }
2835
2836 static void
bna_tx_sm_start_wait(struct bna_tx * tx,enum bna_tx_event event)2837 bna_tx_sm_start_wait(struct bna_tx *tx, enum bna_tx_event event)
2838 {
2839 switch (event) {
2840 case TX_E_STOP:
2841 tx->flags &= ~BNA_TX_F_BW_UPDATED;
2842 bfa_fsm_set_state(tx, bna_tx_sm_stop_wait);
2843 break;
2844
2845 case TX_E_FAIL:
2846 tx->flags &= ~BNA_TX_F_BW_UPDATED;
2847 bfa_fsm_set_state(tx, bna_tx_sm_stopped);
2848 break;
2849
2850 case TX_E_STARTED:
2851 if (tx->flags & BNA_TX_F_BW_UPDATED) {
2852 tx->flags &= ~BNA_TX_F_BW_UPDATED;
2853 bfa_fsm_set_state(tx, bna_tx_sm_prio_stop_wait);
2854 } else
2855 bfa_fsm_set_state(tx, bna_tx_sm_started);
2856 break;
2857
2858 case TX_E_BW_UPDATE:
2859 tx->flags |= BNA_TX_F_BW_UPDATED;
2860 break;
2861
2862 default:
2863 bfa_sm_fault(event);
2864 }
2865 }
2866
2867 static void
bna_tx_sm_started_entry(struct bna_tx * tx)2868 bna_tx_sm_started_entry(struct bna_tx *tx)
2869 {
2870 struct bna_txq *txq;
2871 int is_regular = (tx->type == BNA_TX_T_REGULAR);
2872
2873 list_for_each_entry(txq, &tx->txq_q, qe) {
2874 txq->tcb->priority = txq->priority;
2875 /* Start IB */
2876 bna_ib_start(tx->bna, &txq->ib, is_regular);
2877 }
2878 tx->tx_resume_cbfn(tx->bna->bnad, tx);
2879 }
2880
2881 static void
bna_tx_sm_started(struct bna_tx * tx,enum bna_tx_event event)2882 bna_tx_sm_started(struct bna_tx *tx, enum bna_tx_event event)
2883 {
2884 switch (event) {
2885 case TX_E_STOP:
2886 bfa_fsm_set_state(tx, bna_tx_sm_stop_wait);
2887 tx->tx_stall_cbfn(tx->bna->bnad, tx);
2888 bna_tx_enet_stop(tx);
2889 break;
2890
2891 case TX_E_FAIL:
2892 bfa_fsm_set_state(tx, bna_tx_sm_failed);
2893 tx->tx_stall_cbfn(tx->bna->bnad, tx);
2894 tx->tx_cleanup_cbfn(tx->bna->bnad, tx);
2895 break;
2896
2897 case TX_E_BW_UPDATE:
2898 bfa_fsm_set_state(tx, bna_tx_sm_prio_stop_wait);
2899 break;
2900
2901 default:
2902 bfa_sm_fault(event);
2903 }
2904 }
2905
2906 static void
bna_tx_sm_stop_wait_entry(struct bna_tx * tx)2907 bna_tx_sm_stop_wait_entry(struct bna_tx *tx)
2908 {
2909 }
2910
2911 static void
bna_tx_sm_stop_wait(struct bna_tx * tx,enum bna_tx_event event)2912 bna_tx_sm_stop_wait(struct bna_tx *tx, enum bna_tx_event event)
2913 {
2914 switch (event) {
2915 case TX_E_FAIL:
2916 case TX_E_STOPPED:
2917 bfa_fsm_set_state(tx, bna_tx_sm_cleanup_wait);
2918 tx->tx_cleanup_cbfn(tx->bna->bnad, tx);
2919 break;
2920
2921 case TX_E_STARTED:
2922 /**
2923 * We are here due to start_wait -> stop_wait transition on
2924 * TX_E_STOP event
2925 */
2926 bna_tx_enet_stop(tx);
2927 break;
2928
2929 case TX_E_BW_UPDATE:
2930 /* No-op */
2931 break;
2932
2933 default:
2934 bfa_sm_fault(event);
2935 }
2936 }
2937
2938 static void
bna_tx_sm_cleanup_wait_entry(struct bna_tx * tx)2939 bna_tx_sm_cleanup_wait_entry(struct bna_tx *tx)
2940 {
2941 }
2942
2943 static void
bna_tx_sm_cleanup_wait(struct bna_tx * tx,enum bna_tx_event event)2944 bna_tx_sm_cleanup_wait(struct bna_tx *tx, enum bna_tx_event event)
2945 {
2946 switch (event) {
2947 case TX_E_FAIL:
2948 case TX_E_BW_UPDATE:
2949 /* No-op */
2950 break;
2951
2952 case TX_E_CLEANUP_DONE:
2953 bfa_fsm_set_state(tx, bna_tx_sm_stopped);
2954 break;
2955
2956 default:
2957 bfa_sm_fault(event);
2958 }
2959 }
2960
2961 static void
bna_tx_sm_prio_stop_wait_entry(struct bna_tx * tx)2962 bna_tx_sm_prio_stop_wait_entry(struct bna_tx *tx)
2963 {
2964 tx->tx_stall_cbfn(tx->bna->bnad, tx);
2965 bna_tx_enet_stop(tx);
2966 }
2967
2968 static void
bna_tx_sm_prio_stop_wait(struct bna_tx * tx,enum bna_tx_event event)2969 bna_tx_sm_prio_stop_wait(struct bna_tx *tx, enum bna_tx_event event)
2970 {
2971 switch (event) {
2972 case TX_E_STOP:
2973 bfa_fsm_set_state(tx, bna_tx_sm_stop_wait);
2974 break;
2975
2976 case TX_E_FAIL:
2977 bfa_fsm_set_state(tx, bna_tx_sm_failed);
2978 tx->tx_cleanup_cbfn(tx->bna->bnad, tx);
2979 break;
2980
2981 case TX_E_STOPPED:
2982 bfa_fsm_set_state(tx, bna_tx_sm_prio_cleanup_wait);
2983 break;
2984
2985 case TX_E_BW_UPDATE:
2986 /* No-op */
2987 break;
2988
2989 default:
2990 bfa_sm_fault(event);
2991 }
2992 }
2993
2994 static void
bna_tx_sm_prio_cleanup_wait_entry(struct bna_tx * tx)2995 bna_tx_sm_prio_cleanup_wait_entry(struct bna_tx *tx)
2996 {
2997 tx->tx_cleanup_cbfn(tx->bna->bnad, tx);
2998 }
2999
3000 static void
bna_tx_sm_prio_cleanup_wait(struct bna_tx * tx,enum bna_tx_event event)3001 bna_tx_sm_prio_cleanup_wait(struct bna_tx *tx, enum bna_tx_event event)
3002 {
3003 switch (event) {
3004 case TX_E_STOP:
3005 bfa_fsm_set_state(tx, bna_tx_sm_cleanup_wait);
3006 break;
3007
3008 case TX_E_FAIL:
3009 bfa_fsm_set_state(tx, bna_tx_sm_failed);
3010 break;
3011
3012 case TX_E_BW_UPDATE:
3013 /* No-op */
3014 break;
3015
3016 case TX_E_CLEANUP_DONE:
3017 bfa_fsm_set_state(tx, bna_tx_sm_start_wait);
3018 break;
3019
3020 default:
3021 bfa_sm_fault(event);
3022 }
3023 }
3024
3025 static void
bna_tx_sm_failed_entry(struct bna_tx * tx)3026 bna_tx_sm_failed_entry(struct bna_tx *tx)
3027 {
3028 }
3029
3030 static void
bna_tx_sm_failed(struct bna_tx * tx,enum bna_tx_event event)3031 bna_tx_sm_failed(struct bna_tx *tx, enum bna_tx_event event)
3032 {
3033 switch (event) {
3034 case TX_E_START:
3035 bfa_fsm_set_state(tx, bna_tx_sm_quiesce_wait);
3036 break;
3037
3038 case TX_E_STOP:
3039 bfa_fsm_set_state(tx, bna_tx_sm_cleanup_wait);
3040 break;
3041
3042 case TX_E_FAIL:
3043 /* No-op */
3044 break;
3045
3046 case TX_E_CLEANUP_DONE:
3047 bfa_fsm_set_state(tx, bna_tx_sm_stopped);
3048 break;
3049
3050 default:
3051 bfa_sm_fault(event);
3052 }
3053 }
3054
3055 static void
bna_tx_sm_quiesce_wait_entry(struct bna_tx * tx)3056 bna_tx_sm_quiesce_wait_entry(struct bna_tx *tx)
3057 {
3058 }
3059
3060 static void
bna_tx_sm_quiesce_wait(struct bna_tx * tx,enum bna_tx_event event)3061 bna_tx_sm_quiesce_wait(struct bna_tx *tx, enum bna_tx_event event)
3062 {
3063 switch (event) {
3064 case TX_E_STOP:
3065 bfa_fsm_set_state(tx, bna_tx_sm_cleanup_wait);
3066 break;
3067
3068 case TX_E_FAIL:
3069 bfa_fsm_set_state(tx, bna_tx_sm_failed);
3070 break;
3071
3072 case TX_E_CLEANUP_DONE:
3073 bfa_fsm_set_state(tx, bna_tx_sm_start_wait);
3074 break;
3075
3076 case TX_E_BW_UPDATE:
3077 /* No-op */
3078 break;
3079
3080 default:
3081 bfa_sm_fault(event);
3082 }
3083 }
3084
3085 static void
bna_bfi_tx_enet_start(struct bna_tx * tx)3086 bna_bfi_tx_enet_start(struct bna_tx *tx)
3087 {
3088 struct bfi_enet_tx_cfg_req *cfg_req = &tx->bfi_enet_cmd.cfg_req;
3089 struct bna_txq *txq = NULL;
3090 int i;
3091
3092 bfi_msgq_mhdr_set(cfg_req->mh, BFI_MC_ENET,
3093 BFI_ENET_H2I_TX_CFG_SET_REQ, 0, tx->rid);
3094 cfg_req->mh.num_entries = htons(
3095 bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_tx_cfg_req)));
3096
3097 cfg_req->num_queues = tx->num_txq;
3098 for (i = 0; i < tx->num_txq; i++) {
3099 txq = txq ? list_next_entry(txq, qe)
3100 : list_first_entry(&tx->txq_q, struct bna_txq, qe);
3101 bfi_enet_datapath_q_init(&cfg_req->q_cfg[i].q.q, &txq->qpt);
3102 cfg_req->q_cfg[i].q.priority = txq->priority;
3103
3104 cfg_req->q_cfg[i].ib.index_addr.a32.addr_lo =
3105 txq->ib.ib_seg_host_addr.lsb;
3106 cfg_req->q_cfg[i].ib.index_addr.a32.addr_hi =
3107 txq->ib.ib_seg_host_addr.msb;
3108 cfg_req->q_cfg[i].ib.intr.msix_index =
3109 htons((u16)txq->ib.intr_vector);
3110 }
3111
3112 cfg_req->ib_cfg.int_pkt_dma = BNA_STATUS_T_ENABLED;
3113 cfg_req->ib_cfg.int_enabled = BNA_STATUS_T_ENABLED;
3114 cfg_req->ib_cfg.int_pkt_enabled = BNA_STATUS_T_DISABLED;
3115 cfg_req->ib_cfg.continuous_coalescing = BNA_STATUS_T_ENABLED;
3116 cfg_req->ib_cfg.msix = (txq->ib.intr_type == BNA_INTR_T_MSIX)
3117 ? BNA_STATUS_T_ENABLED : BNA_STATUS_T_DISABLED;
3118 cfg_req->ib_cfg.coalescing_timeout =
3119 htonl((u32)txq->ib.coalescing_timeo);
3120 cfg_req->ib_cfg.inter_pkt_timeout =
3121 htonl((u32)txq->ib.interpkt_timeo);
3122 cfg_req->ib_cfg.inter_pkt_count = (u8)txq->ib.interpkt_count;
3123
3124 cfg_req->tx_cfg.vlan_mode = BFI_ENET_TX_VLAN_WI;
3125 cfg_req->tx_cfg.vlan_id = htons((u16)tx->txf_vlan_id);
3126 cfg_req->tx_cfg.admit_tagged_frame = BNA_STATUS_T_ENABLED;
3127 cfg_req->tx_cfg.apply_vlan_filter = BNA_STATUS_T_DISABLED;
3128
3129 bfa_msgq_cmd_set(&tx->msgq_cmd, NULL, NULL,
3130 sizeof(struct bfi_enet_tx_cfg_req), &cfg_req->mh);
3131 bfa_msgq_cmd_post(&tx->bna->msgq, &tx->msgq_cmd);
3132 }
3133
3134 static void
bna_bfi_tx_enet_stop(struct bna_tx * tx)3135 bna_bfi_tx_enet_stop(struct bna_tx *tx)
3136 {
3137 struct bfi_enet_req *req = &tx->bfi_enet_cmd.req;
3138
3139 bfi_msgq_mhdr_set(req->mh, BFI_MC_ENET,
3140 BFI_ENET_H2I_TX_CFG_CLR_REQ, 0, tx->rid);
3141 req->mh.num_entries = htons(
3142 bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_req)));
3143 bfa_msgq_cmd_set(&tx->msgq_cmd, NULL, NULL, sizeof(struct bfi_enet_req),
3144 &req->mh);
3145 bfa_msgq_cmd_post(&tx->bna->msgq, &tx->msgq_cmd);
3146 }
3147
3148 static void
bna_tx_enet_stop(struct bna_tx * tx)3149 bna_tx_enet_stop(struct bna_tx *tx)
3150 {
3151 struct bna_txq *txq;
3152
3153 /* Stop IB */
3154 list_for_each_entry(txq, &tx->txq_q, qe)
3155 bna_ib_stop(tx->bna, &txq->ib);
3156
3157 bna_bfi_tx_enet_stop(tx);
3158 }
3159
3160 static void
bna_txq_qpt_setup(struct bna_txq * txq,int page_count,int page_size,struct bna_mem_descr * qpt_mem,struct bna_mem_descr * swqpt_mem,struct bna_mem_descr * page_mem)3161 bna_txq_qpt_setup(struct bna_txq *txq, int page_count, int page_size,
3162 struct bna_mem_descr *qpt_mem,
3163 struct bna_mem_descr *swqpt_mem,
3164 struct bna_mem_descr *page_mem)
3165 {
3166 u8 *kva;
3167 u64 dma;
3168 struct bna_dma_addr bna_dma;
3169 int i;
3170
3171 txq->qpt.hw_qpt_ptr.lsb = qpt_mem->dma.lsb;
3172 txq->qpt.hw_qpt_ptr.msb = qpt_mem->dma.msb;
3173 txq->qpt.kv_qpt_ptr = qpt_mem->kva;
3174 txq->qpt.page_count = page_count;
3175 txq->qpt.page_size = page_size;
3176
3177 txq->tcb->sw_qpt = (void **) swqpt_mem->kva;
3178 txq->tcb->sw_q = page_mem->kva;
3179
3180 kva = page_mem->kva;
3181 BNA_GET_DMA_ADDR(&page_mem->dma, dma);
3182
3183 for (i = 0; i < page_count; i++) {
3184 txq->tcb->sw_qpt[i] = kva;
3185 kva += PAGE_SIZE;
3186
3187 BNA_SET_DMA_ADDR(dma, &bna_dma);
3188 ((struct bna_dma_addr *)txq->qpt.kv_qpt_ptr)[i].lsb =
3189 bna_dma.lsb;
3190 ((struct bna_dma_addr *)txq->qpt.kv_qpt_ptr)[i].msb =
3191 bna_dma.msb;
3192 dma += PAGE_SIZE;
3193 }
3194 }
3195
3196 static struct bna_tx *
bna_tx_get(struct bna_tx_mod * tx_mod,enum bna_tx_type type)3197 bna_tx_get(struct bna_tx_mod *tx_mod, enum bna_tx_type type)
3198 {
3199 struct bna_tx *tx = NULL;
3200
3201 if (list_empty(&tx_mod->tx_free_q))
3202 return NULL;
3203 if (type == BNA_TX_T_REGULAR)
3204 tx = list_first_entry(&tx_mod->tx_free_q, struct bna_tx, qe);
3205 else
3206 tx = list_last_entry(&tx_mod->tx_free_q, struct bna_tx, qe);
3207 list_del(&tx->qe);
3208 tx->type = type;
3209
3210 return tx;
3211 }
3212
3213 static void
bna_tx_free(struct bna_tx * tx)3214 bna_tx_free(struct bna_tx *tx)
3215 {
3216 struct bna_tx_mod *tx_mod = &tx->bna->tx_mod;
3217 struct bna_txq *txq;
3218 struct list_head *qe;
3219
3220 while (!list_empty(&tx->txq_q)) {
3221 txq = list_first_entry(&tx->txq_q, struct bna_txq, qe);
3222 txq->tcb = NULL;
3223 txq->tx = NULL;
3224 list_move_tail(&txq->qe, &tx_mod->txq_free_q);
3225 }
3226
3227 list_for_each(qe, &tx_mod->tx_active_q) {
3228 if (qe == &tx->qe) {
3229 list_del(&tx->qe);
3230 break;
3231 }
3232 }
3233
3234 tx->bna = NULL;
3235 tx->priv = NULL;
3236
3237 list_for_each_prev(qe, &tx_mod->tx_free_q)
3238 if (((struct bna_tx *)qe)->rid < tx->rid)
3239 break;
3240
3241 list_add(&tx->qe, qe);
3242 }
3243
3244 static void
bna_tx_start(struct bna_tx * tx)3245 bna_tx_start(struct bna_tx *tx)
3246 {
3247 tx->flags |= BNA_TX_F_ENET_STARTED;
3248 if (tx->flags & BNA_TX_F_ENABLED)
3249 bfa_fsm_send_event(tx, TX_E_START);
3250 }
3251
3252 static void
bna_tx_stop(struct bna_tx * tx)3253 bna_tx_stop(struct bna_tx *tx)
3254 {
3255 tx->stop_cbfn = bna_tx_mod_cb_tx_stopped;
3256 tx->stop_cbarg = &tx->bna->tx_mod;
3257
3258 tx->flags &= ~BNA_TX_F_ENET_STARTED;
3259 bfa_fsm_send_event(tx, TX_E_STOP);
3260 }
3261
3262 static void
bna_tx_fail(struct bna_tx * tx)3263 bna_tx_fail(struct bna_tx *tx)
3264 {
3265 tx->flags &= ~BNA_TX_F_ENET_STARTED;
3266 bfa_fsm_send_event(tx, TX_E_FAIL);
3267 }
3268
3269 void
bna_bfi_tx_enet_start_rsp(struct bna_tx * tx,struct bfi_msgq_mhdr * msghdr)3270 bna_bfi_tx_enet_start_rsp(struct bna_tx *tx, struct bfi_msgq_mhdr *msghdr)
3271 {
3272 struct bfi_enet_tx_cfg_rsp *cfg_rsp = &tx->bfi_enet_cmd.cfg_rsp;
3273 struct bna_txq *txq = NULL;
3274 int i;
3275
3276 bfa_msgq_rsp_copy(&tx->bna->msgq, (u8 *)cfg_rsp,
3277 sizeof(struct bfi_enet_tx_cfg_rsp));
3278
3279 tx->hw_id = cfg_rsp->hw_id;
3280
3281 for (i = 0, txq = list_first_entry(&tx->txq_q, struct bna_txq, qe);
3282 i < tx->num_txq; i++, txq = list_next_entry(txq, qe)) {
3283 /* Setup doorbells */
3284 txq->tcb->i_dbell->doorbell_addr =
3285 tx->bna->pcidev.pci_bar_kva
3286 + ntohl(cfg_rsp->q_handles[i].i_dbell);
3287 txq->tcb->q_dbell =
3288 tx->bna->pcidev.pci_bar_kva
3289 + ntohl(cfg_rsp->q_handles[i].q_dbell);
3290 txq->hw_id = cfg_rsp->q_handles[i].hw_qid;
3291
3292 /* Initialize producer/consumer indexes */
3293 (*txq->tcb->hw_consumer_index) = 0;
3294 txq->tcb->producer_index = txq->tcb->consumer_index = 0;
3295 }
3296
3297 bfa_fsm_send_event(tx, TX_E_STARTED);
3298 }
3299
3300 void
bna_bfi_tx_enet_stop_rsp(struct bna_tx * tx,struct bfi_msgq_mhdr * msghdr)3301 bna_bfi_tx_enet_stop_rsp(struct bna_tx *tx, struct bfi_msgq_mhdr *msghdr)
3302 {
3303 bfa_fsm_send_event(tx, TX_E_STOPPED);
3304 }
3305
3306 void
bna_bfi_bw_update_aen(struct bna_tx_mod * tx_mod)3307 bna_bfi_bw_update_aen(struct bna_tx_mod *tx_mod)
3308 {
3309 struct bna_tx *tx;
3310
3311 list_for_each_entry(tx, &tx_mod->tx_active_q, qe)
3312 bfa_fsm_send_event(tx, TX_E_BW_UPDATE);
3313 }
3314
3315 void
bna_tx_res_req(int num_txq,int txq_depth,struct bna_res_info * res_info)3316 bna_tx_res_req(int num_txq, int txq_depth, struct bna_res_info *res_info)
3317 {
3318 u32 q_size;
3319 u32 page_count;
3320 struct bna_mem_info *mem_info;
3321
3322 res_info[BNA_TX_RES_MEM_T_TCB].res_type = BNA_RES_T_MEM;
3323 mem_info = &res_info[BNA_TX_RES_MEM_T_TCB].res_u.mem_info;
3324 mem_info->mem_type = BNA_MEM_T_KVA;
3325 mem_info->len = sizeof(struct bna_tcb);
3326 mem_info->num = num_txq;
3327
3328 q_size = txq_depth * BFI_TXQ_WI_SIZE;
3329 q_size = ALIGN(q_size, PAGE_SIZE);
3330 page_count = q_size >> PAGE_SHIFT;
3331
3332 res_info[BNA_TX_RES_MEM_T_QPT].res_type = BNA_RES_T_MEM;
3333 mem_info = &res_info[BNA_TX_RES_MEM_T_QPT].res_u.mem_info;
3334 mem_info->mem_type = BNA_MEM_T_DMA;
3335 mem_info->len = page_count * sizeof(struct bna_dma_addr);
3336 mem_info->num = num_txq;
3337
3338 res_info[BNA_TX_RES_MEM_T_SWQPT].res_type = BNA_RES_T_MEM;
3339 mem_info = &res_info[BNA_TX_RES_MEM_T_SWQPT].res_u.mem_info;
3340 mem_info->mem_type = BNA_MEM_T_KVA;
3341 mem_info->len = page_count * sizeof(void *);
3342 mem_info->num = num_txq;
3343
3344 res_info[BNA_TX_RES_MEM_T_PAGE].res_type = BNA_RES_T_MEM;
3345 mem_info = &res_info[BNA_TX_RES_MEM_T_PAGE].res_u.mem_info;
3346 mem_info->mem_type = BNA_MEM_T_DMA;
3347 mem_info->len = PAGE_SIZE * page_count;
3348 mem_info->num = num_txq;
3349
3350 res_info[BNA_TX_RES_MEM_T_IBIDX].res_type = BNA_RES_T_MEM;
3351 mem_info = &res_info[BNA_TX_RES_MEM_T_IBIDX].res_u.mem_info;
3352 mem_info->mem_type = BNA_MEM_T_DMA;
3353 mem_info->len = BFI_IBIDX_SIZE;
3354 mem_info->num = num_txq;
3355
3356 res_info[BNA_TX_RES_INTR_T_TXCMPL].res_type = BNA_RES_T_INTR;
3357 res_info[BNA_TX_RES_INTR_T_TXCMPL].res_u.intr_info.intr_type =
3358 BNA_INTR_T_MSIX;
3359 res_info[BNA_TX_RES_INTR_T_TXCMPL].res_u.intr_info.num = num_txq;
3360 }
3361
3362 struct bna_tx *
bna_tx_create(struct bna * bna,struct bnad * bnad,struct bna_tx_config * tx_cfg,const struct bna_tx_event_cbfn * tx_cbfn,struct bna_res_info * res_info,void * priv)3363 bna_tx_create(struct bna *bna, struct bnad *bnad,
3364 struct bna_tx_config *tx_cfg,
3365 const struct bna_tx_event_cbfn *tx_cbfn,
3366 struct bna_res_info *res_info, void *priv)
3367 {
3368 struct bna_intr_info *intr_info;
3369 struct bna_tx_mod *tx_mod = &bna->tx_mod;
3370 struct bna_tx *tx;
3371 struct bna_txq *txq;
3372 int page_count;
3373 int i;
3374
3375 intr_info = &res_info[BNA_TX_RES_INTR_T_TXCMPL].res_u.intr_info;
3376 page_count = (res_info[BNA_TX_RES_MEM_T_PAGE].res_u.mem_info.len) /
3377 PAGE_SIZE;
3378
3379 /**
3380 * Get resources
3381 */
3382
3383 if ((intr_info->num != 1) && (intr_info->num != tx_cfg->num_txq))
3384 return NULL;
3385
3386 /* Tx */
3387
3388 tx = bna_tx_get(tx_mod, tx_cfg->tx_type);
3389 if (!tx)
3390 return NULL;
3391 tx->bna = bna;
3392 tx->priv = priv;
3393
3394 /* TxQs */
3395
3396 INIT_LIST_HEAD(&tx->txq_q);
3397 for (i = 0; i < tx_cfg->num_txq; i++) {
3398 if (list_empty(&tx_mod->txq_free_q))
3399 goto err_return;
3400
3401 txq = list_first_entry(&tx_mod->txq_free_q, struct bna_txq, qe);
3402 list_move_tail(&txq->qe, &tx->txq_q);
3403 txq->tx = tx;
3404 }
3405
3406 /*
3407 * Initialize
3408 */
3409
3410 /* Tx */
3411
3412 tx->tcb_setup_cbfn = tx_cbfn->tcb_setup_cbfn;
3413 tx->tcb_destroy_cbfn = tx_cbfn->tcb_destroy_cbfn;
3414 /* Following callbacks are mandatory */
3415 tx->tx_stall_cbfn = tx_cbfn->tx_stall_cbfn;
3416 tx->tx_resume_cbfn = tx_cbfn->tx_resume_cbfn;
3417 tx->tx_cleanup_cbfn = tx_cbfn->tx_cleanup_cbfn;
3418
3419 list_add_tail(&tx->qe, &tx_mod->tx_active_q);
3420
3421 tx->num_txq = tx_cfg->num_txq;
3422
3423 tx->flags = 0;
3424 if (tx->bna->tx_mod.flags & BNA_TX_MOD_F_ENET_STARTED) {
3425 switch (tx->type) {
3426 case BNA_TX_T_REGULAR:
3427 if (!(tx->bna->tx_mod.flags &
3428 BNA_TX_MOD_F_ENET_LOOPBACK))
3429 tx->flags |= BNA_TX_F_ENET_STARTED;
3430 break;
3431 case BNA_TX_T_LOOPBACK:
3432 if (tx->bna->tx_mod.flags & BNA_TX_MOD_F_ENET_LOOPBACK)
3433 tx->flags |= BNA_TX_F_ENET_STARTED;
3434 break;
3435 }
3436 }
3437
3438 /* TxQ */
3439
3440 i = 0;
3441 list_for_each_entry(txq, &tx->txq_q, qe) {
3442 txq->tcb = (struct bna_tcb *)
3443 res_info[BNA_TX_RES_MEM_T_TCB].res_u.mem_info.mdl[i].kva;
3444 txq->tx_packets = 0;
3445 txq->tx_bytes = 0;
3446
3447 /* IB */
3448 txq->ib.ib_seg_host_addr.lsb =
3449 res_info[BNA_TX_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].dma.lsb;
3450 txq->ib.ib_seg_host_addr.msb =
3451 res_info[BNA_TX_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].dma.msb;
3452 txq->ib.ib_seg_host_addr_kva =
3453 res_info[BNA_TX_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].kva;
3454 txq->ib.intr_type = intr_info->intr_type;
3455 txq->ib.intr_vector = (intr_info->num == 1) ?
3456 intr_info->idl[0].vector :
3457 intr_info->idl[i].vector;
3458 if (intr_info->intr_type == BNA_INTR_T_INTX)
3459 txq->ib.intr_vector = BIT(txq->ib.intr_vector);
3460 txq->ib.coalescing_timeo = tx_cfg->coalescing_timeo;
3461 txq->ib.interpkt_timeo = BFI_TX_INTERPKT_TIMEO;
3462 txq->ib.interpkt_count = BFI_TX_INTERPKT_COUNT;
3463
3464 /* TCB */
3465
3466 txq->tcb->q_depth = tx_cfg->txq_depth;
3467 txq->tcb->unmap_q = (void *)
3468 res_info[BNA_TX_RES_MEM_T_UNMAPQ].res_u.mem_info.mdl[i].kva;
3469 txq->tcb->hw_consumer_index =
3470 (u32 *)txq->ib.ib_seg_host_addr_kva;
3471 txq->tcb->i_dbell = &txq->ib.door_bell;
3472 txq->tcb->intr_type = txq->ib.intr_type;
3473 txq->tcb->intr_vector = txq->ib.intr_vector;
3474 txq->tcb->txq = txq;
3475 txq->tcb->bnad = bnad;
3476 txq->tcb->id = i;
3477
3478 /* QPT, SWQPT, Pages */
3479 bna_txq_qpt_setup(txq, page_count, PAGE_SIZE,
3480 &res_info[BNA_TX_RES_MEM_T_QPT].res_u.mem_info.mdl[i],
3481 &res_info[BNA_TX_RES_MEM_T_SWQPT].res_u.mem_info.mdl[i],
3482 &res_info[BNA_TX_RES_MEM_T_PAGE].
3483 res_u.mem_info.mdl[i]);
3484
3485 /* Callback to bnad for setting up TCB */
3486 if (tx->tcb_setup_cbfn)
3487 (tx->tcb_setup_cbfn)(bna->bnad, txq->tcb);
3488
3489 if (tx_cfg->num_txq == BFI_TX_MAX_PRIO)
3490 txq->priority = txq->tcb->id;
3491 else
3492 txq->priority = tx_mod->default_prio;
3493
3494 i++;
3495 }
3496
3497 tx->txf_vlan_id = 0;
3498
3499 bfa_fsm_set_state(tx, bna_tx_sm_stopped);
3500
3501 tx_mod->rid_mask |= BIT(tx->rid);
3502
3503 return tx;
3504
3505 err_return:
3506 bna_tx_free(tx);
3507 return NULL;
3508 }
3509
3510 void
bna_tx_destroy(struct bna_tx * tx)3511 bna_tx_destroy(struct bna_tx *tx)
3512 {
3513 struct bna_txq *txq;
3514
3515 list_for_each_entry(txq, &tx->txq_q, qe)
3516 if (tx->tcb_destroy_cbfn)
3517 (tx->tcb_destroy_cbfn)(tx->bna->bnad, txq->tcb);
3518
3519 tx->bna->tx_mod.rid_mask &= ~BIT(tx->rid);
3520 bna_tx_free(tx);
3521 }
3522
3523 void
bna_tx_enable(struct bna_tx * tx)3524 bna_tx_enable(struct bna_tx *tx)
3525 {
3526 if (tx->fsm != bna_tx_sm_stopped)
3527 return;
3528
3529 tx->flags |= BNA_TX_F_ENABLED;
3530
3531 if (tx->flags & BNA_TX_F_ENET_STARTED)
3532 bfa_fsm_send_event(tx, TX_E_START);
3533 }
3534
3535 void
bna_tx_disable(struct bna_tx * tx,enum bna_cleanup_type type,void (* cbfn)(void *,struct bna_tx *))3536 bna_tx_disable(struct bna_tx *tx, enum bna_cleanup_type type,
3537 void (*cbfn)(void *, struct bna_tx *))
3538 {
3539 if (type == BNA_SOFT_CLEANUP) {
3540 (*cbfn)(tx->bna->bnad, tx);
3541 return;
3542 }
3543
3544 tx->stop_cbfn = cbfn;
3545 tx->stop_cbarg = tx->bna->bnad;
3546
3547 tx->flags &= ~BNA_TX_F_ENABLED;
3548
3549 bfa_fsm_send_event(tx, TX_E_STOP);
3550 }
3551
3552 void
bna_tx_cleanup_complete(struct bna_tx * tx)3553 bna_tx_cleanup_complete(struct bna_tx *tx)
3554 {
3555 bfa_fsm_send_event(tx, TX_E_CLEANUP_DONE);
3556 }
3557
3558 static void
bna_tx_mod_cb_tx_stopped(void * arg,struct bna_tx * tx)3559 bna_tx_mod_cb_tx_stopped(void *arg, struct bna_tx *tx)
3560 {
3561 struct bna_tx_mod *tx_mod = (struct bna_tx_mod *)arg;
3562
3563 bfa_wc_down(&tx_mod->tx_stop_wc);
3564 }
3565
3566 static void
bna_tx_mod_cb_tx_stopped_all(void * arg)3567 bna_tx_mod_cb_tx_stopped_all(void *arg)
3568 {
3569 struct bna_tx_mod *tx_mod = (struct bna_tx_mod *)arg;
3570
3571 if (tx_mod->stop_cbfn)
3572 tx_mod->stop_cbfn(&tx_mod->bna->enet);
3573 tx_mod->stop_cbfn = NULL;
3574 }
3575
3576 void
bna_tx_mod_init(struct bna_tx_mod * tx_mod,struct bna * bna,struct bna_res_info * res_info)3577 bna_tx_mod_init(struct bna_tx_mod *tx_mod, struct bna *bna,
3578 struct bna_res_info *res_info)
3579 {
3580 int i;
3581
3582 tx_mod->bna = bna;
3583 tx_mod->flags = 0;
3584
3585 tx_mod->tx = (struct bna_tx *)
3586 res_info[BNA_MOD_RES_MEM_T_TX_ARRAY].res_u.mem_info.mdl[0].kva;
3587 tx_mod->txq = (struct bna_txq *)
3588 res_info[BNA_MOD_RES_MEM_T_TXQ_ARRAY].res_u.mem_info.mdl[0].kva;
3589
3590 INIT_LIST_HEAD(&tx_mod->tx_free_q);
3591 INIT_LIST_HEAD(&tx_mod->tx_active_q);
3592
3593 INIT_LIST_HEAD(&tx_mod->txq_free_q);
3594
3595 for (i = 0; i < bna->ioceth.attr.num_txq; i++) {
3596 tx_mod->tx[i].rid = i;
3597 list_add_tail(&tx_mod->tx[i].qe, &tx_mod->tx_free_q);
3598 list_add_tail(&tx_mod->txq[i].qe, &tx_mod->txq_free_q);
3599 }
3600
3601 tx_mod->prio_map = BFI_TX_PRIO_MAP_ALL;
3602 tx_mod->default_prio = 0;
3603 tx_mod->iscsi_over_cee = BNA_STATUS_T_DISABLED;
3604 tx_mod->iscsi_prio = -1;
3605 }
3606
3607 void
bna_tx_mod_uninit(struct bna_tx_mod * tx_mod)3608 bna_tx_mod_uninit(struct bna_tx_mod *tx_mod)
3609 {
3610 tx_mod->bna = NULL;
3611 }
3612
3613 void
bna_tx_mod_start(struct bna_tx_mod * tx_mod,enum bna_tx_type type)3614 bna_tx_mod_start(struct bna_tx_mod *tx_mod, enum bna_tx_type type)
3615 {
3616 struct bna_tx *tx;
3617
3618 tx_mod->flags |= BNA_TX_MOD_F_ENET_STARTED;
3619 if (type == BNA_TX_T_LOOPBACK)
3620 tx_mod->flags |= BNA_TX_MOD_F_ENET_LOOPBACK;
3621
3622 list_for_each_entry(tx, &tx_mod->tx_active_q, qe)
3623 if (tx->type == type)
3624 bna_tx_start(tx);
3625 }
3626
3627 void
bna_tx_mod_stop(struct bna_tx_mod * tx_mod,enum bna_tx_type type)3628 bna_tx_mod_stop(struct bna_tx_mod *tx_mod, enum bna_tx_type type)
3629 {
3630 struct bna_tx *tx;
3631
3632 tx_mod->flags &= ~BNA_TX_MOD_F_ENET_STARTED;
3633 tx_mod->flags &= ~BNA_TX_MOD_F_ENET_LOOPBACK;
3634
3635 tx_mod->stop_cbfn = bna_enet_cb_tx_stopped;
3636
3637 bfa_wc_init(&tx_mod->tx_stop_wc, bna_tx_mod_cb_tx_stopped_all, tx_mod);
3638
3639 list_for_each_entry(tx, &tx_mod->tx_active_q, qe)
3640 if (tx->type == type) {
3641 bfa_wc_up(&tx_mod->tx_stop_wc);
3642 bna_tx_stop(tx);
3643 }
3644
3645 bfa_wc_wait(&tx_mod->tx_stop_wc);
3646 }
3647
3648 void
bna_tx_mod_fail(struct bna_tx_mod * tx_mod)3649 bna_tx_mod_fail(struct bna_tx_mod *tx_mod)
3650 {
3651 struct bna_tx *tx;
3652
3653 tx_mod->flags &= ~BNA_TX_MOD_F_ENET_STARTED;
3654 tx_mod->flags &= ~BNA_TX_MOD_F_ENET_LOOPBACK;
3655
3656 list_for_each_entry(tx, &tx_mod->tx_active_q, qe)
3657 bna_tx_fail(tx);
3658 }
3659
3660 void
bna_tx_coalescing_timeo_set(struct bna_tx * tx,int coalescing_timeo)3661 bna_tx_coalescing_timeo_set(struct bna_tx *tx, int coalescing_timeo)
3662 {
3663 struct bna_txq *txq;
3664
3665 list_for_each_entry(txq, &tx->txq_q, qe)
3666 bna_ib_coalescing_timeo_set(&txq->ib, coalescing_timeo);
3667 }
3668