xref: /linux/drivers/net/ethernet/brocade/bna/bna_tx_rx.c (revision 7ae9fb1b7ecbb5d85d07857943f677fd1a559b18)
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