xref: /freebsd/sys/contrib/dev/athk/ath11k/dp_tx.c (revision 2e3507c25e42292b45a5482e116d278f5515d04d)
1 // SPDX-License-Identifier: BSD-3-Clause-Clear
2 /*
3  * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.
4  * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
5  */
6 
7 #include "core.h"
8 #include "dp_tx.h"
9 #include "debug.h"
10 #include "debugfs_sta.h"
11 #include "hw.h"
12 #include "peer.h"
13 #include "mac.h"
14 
15 static enum hal_tcl_encap_type
16 ath11k_dp_tx_get_encap_type(struct ath11k_vif *arvif, struct sk_buff *skb)
17 {
18 	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
19 	struct ath11k_base *ab = arvif->ar->ab;
20 
21 	if (test_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags))
22 		return HAL_TCL_ENCAP_TYPE_RAW;
23 
24 	if (tx_info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP)
25 		return HAL_TCL_ENCAP_TYPE_ETHERNET;
26 
27 	return HAL_TCL_ENCAP_TYPE_NATIVE_WIFI;
28 }
29 
30 static void ath11k_dp_tx_encap_nwifi(struct sk_buff *skb)
31 {
32 	struct ieee80211_hdr *hdr = (void *)skb->data;
33 	u8 *qos_ctl;
34 
35 	if (!ieee80211_is_data_qos(hdr->frame_control))
36 		return;
37 
38 	qos_ctl = ieee80211_get_qos_ctl(hdr);
39 	memmove(skb->data + IEEE80211_QOS_CTL_LEN,
40 #if defined(__linux__)
41 		skb->data, (void *)qos_ctl - (void *)skb->data);
42 #elif defined(__FreeBSD__)
43 		skb->data, qos_ctl - (u8 *)skb->data);
44 #endif
45 	skb_pull(skb, IEEE80211_QOS_CTL_LEN);
46 
47 	hdr = (void *)skb->data;
48 	hdr->frame_control &= ~__cpu_to_le16(IEEE80211_STYPE_QOS_DATA);
49 }
50 
51 static u8 ath11k_dp_tx_get_tid(struct sk_buff *skb)
52 {
53 	struct ieee80211_hdr *hdr = (void *)skb->data;
54 	struct ath11k_skb_cb *cb = ATH11K_SKB_CB(skb);
55 
56 	if (cb->flags & ATH11K_SKB_HW_80211_ENCAP)
57 		return skb->priority & IEEE80211_QOS_CTL_TID_MASK;
58 	else if (!ieee80211_is_data_qos(hdr->frame_control))
59 		return HAL_DESC_REO_NON_QOS_TID;
60 	else
61 		return skb->priority & IEEE80211_QOS_CTL_TID_MASK;
62 }
63 
64 enum hal_encrypt_type ath11k_dp_tx_get_encrypt_type(u32 cipher)
65 {
66 	switch (cipher) {
67 	case WLAN_CIPHER_SUITE_WEP40:
68 		return HAL_ENCRYPT_TYPE_WEP_40;
69 	case WLAN_CIPHER_SUITE_WEP104:
70 		return HAL_ENCRYPT_TYPE_WEP_104;
71 	case WLAN_CIPHER_SUITE_TKIP:
72 		return HAL_ENCRYPT_TYPE_TKIP_MIC;
73 	case WLAN_CIPHER_SUITE_CCMP:
74 		return HAL_ENCRYPT_TYPE_CCMP_128;
75 	case WLAN_CIPHER_SUITE_CCMP_256:
76 		return HAL_ENCRYPT_TYPE_CCMP_256;
77 	case WLAN_CIPHER_SUITE_GCMP:
78 		return HAL_ENCRYPT_TYPE_GCMP_128;
79 	case WLAN_CIPHER_SUITE_GCMP_256:
80 		return HAL_ENCRYPT_TYPE_AES_GCMP_256;
81 	default:
82 		return HAL_ENCRYPT_TYPE_OPEN;
83 	}
84 }
85 
86 int ath11k_dp_tx(struct ath11k *ar, struct ath11k_vif *arvif,
87 		 struct ath11k_sta *arsta, struct sk_buff *skb)
88 {
89 	struct ath11k_base *ab = ar->ab;
90 	struct ath11k_dp *dp = &ab->dp;
91 	struct hal_tx_info ti = {0};
92 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
93 	struct ath11k_skb_cb *skb_cb = ATH11K_SKB_CB(skb);
94 	struct hal_srng *tcl_ring;
95 	struct ieee80211_hdr *hdr = (void *)skb->data;
96 	struct dp_tx_ring *tx_ring;
97 #if defined(__linux__)
98 	void *hal_tcl_desc;
99 #elif defined(__FreeBSD__)
100 	u8 *hal_tcl_desc;
101 #endif
102 	u8 pool_id;
103 	u8 hal_ring_id;
104 	int ret;
105 	u32 ring_selector = 0;
106 	u8 ring_map = 0;
107 	bool tcl_ring_retry;
108 
109 	if (unlikely(test_bit(ATH11K_FLAG_CRASH_FLUSH, &ar->ab->dev_flags)))
110 		return -ESHUTDOWN;
111 
112 	if (unlikely(!(info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP) &&
113 		     !ieee80211_is_data(hdr->frame_control)))
114 		return -ENOTSUPP;
115 
116 	pool_id = skb_get_queue_mapping(skb) & (ATH11K_HW_MAX_QUEUES - 1);
117 
118 	ring_selector = ab->hw_params.hw_ops->get_ring_selector(skb);
119 
120 tcl_ring_sel:
121 	tcl_ring_retry = false;
122 
123 	ti.ring_id = ring_selector % ab->hw_params.max_tx_ring;
124 	ti.rbm_id = ab->hw_params.hal_params->tcl2wbm_rbm_map[ti.ring_id].rbm_id;
125 
126 	ring_map |= BIT(ti.ring_id);
127 
128 	tx_ring = &dp->tx_ring[ti.ring_id];
129 
130 	spin_lock_bh(&tx_ring->tx_idr_lock);
131 	ret = idr_alloc(&tx_ring->txbuf_idr, skb, 0,
132 			DP_TX_IDR_SIZE - 1, GFP_ATOMIC);
133 	spin_unlock_bh(&tx_ring->tx_idr_lock);
134 
135 	if (unlikely(ret < 0)) {
136 		if (ring_map == (BIT(ab->hw_params.max_tx_ring) - 1) ||
137 		    !ab->hw_params.tcl_ring_retry) {
138 			atomic_inc(&ab->soc_stats.tx_err.misc_fail);
139 			return -ENOSPC;
140 		}
141 
142 		/* Check if the next ring is available */
143 		ring_selector++;
144 		goto tcl_ring_sel;
145 	}
146 
147 	ti.desc_id = FIELD_PREP(DP_TX_DESC_ID_MAC_ID, ar->pdev_idx) |
148 		     FIELD_PREP(DP_TX_DESC_ID_MSDU_ID, ret) |
149 		     FIELD_PREP(DP_TX_DESC_ID_POOL_ID, pool_id);
150 	ti.encap_type = ath11k_dp_tx_get_encap_type(arvif, skb);
151 
152 	if (ieee80211_has_a4(hdr->frame_control) &&
153 	    is_multicast_ether_addr(hdr->addr3) && arsta &&
154 	    arsta->use_4addr_set) {
155 		ti.meta_data_flags = arsta->tcl_metadata;
156 		ti.flags0 |= FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_TO_FW, 1);
157 	} else {
158 		ti.meta_data_flags = arvif->tcl_metadata;
159 	}
160 
161 	if (unlikely(ti.encap_type == HAL_TCL_ENCAP_TYPE_RAW)) {
162 		if (skb_cb->flags & ATH11K_SKB_CIPHER_SET) {
163 			ti.encrypt_type =
164 				ath11k_dp_tx_get_encrypt_type(skb_cb->cipher);
165 
166 			if (ieee80211_has_protected(hdr->frame_control))
167 				skb_put(skb, IEEE80211_CCMP_MIC_LEN);
168 		} else {
169 			ti.encrypt_type = HAL_ENCRYPT_TYPE_OPEN;
170 		}
171 	}
172 
173 	ti.addr_search_flags = arvif->hal_addr_search_flags;
174 	ti.search_type = arvif->search_type;
175 	ti.type = HAL_TCL_DESC_TYPE_BUFFER;
176 	ti.pkt_offset = 0;
177 	ti.lmac_id = ar->lmac_id;
178 	ti.bss_ast_hash = arvif->ast_hash;
179 	ti.bss_ast_idx = arvif->ast_idx;
180 	ti.dscp_tid_tbl_idx = 0;
181 
182 	if (likely(skb->ip_summed == CHECKSUM_PARTIAL &&
183 		   ti.encap_type != HAL_TCL_ENCAP_TYPE_RAW)) {
184 		ti.flags0 |= FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_IP4_CKSUM_EN, 1) |
185 			     FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_UDP4_CKSUM_EN, 1) |
186 			     FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_UDP6_CKSUM_EN, 1) |
187 			     FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_TCP4_CKSUM_EN, 1) |
188 			     FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_TCP6_CKSUM_EN, 1);
189 	}
190 
191 	if (ieee80211_vif_is_mesh(arvif->vif))
192 		ti.enable_mesh = true;
193 
194 	ti.flags1 |= FIELD_PREP(HAL_TCL_DATA_CMD_INFO2_TID_OVERWRITE, 1);
195 
196 	ti.tid = ath11k_dp_tx_get_tid(skb);
197 
198 	switch (ti.encap_type) {
199 	case HAL_TCL_ENCAP_TYPE_NATIVE_WIFI:
200 		ath11k_dp_tx_encap_nwifi(skb);
201 		break;
202 	case HAL_TCL_ENCAP_TYPE_RAW:
203 		if (!test_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags)) {
204 			ret = -EINVAL;
205 			goto fail_remove_idr;
206 		}
207 		break;
208 	case HAL_TCL_ENCAP_TYPE_ETHERNET:
209 		/* no need to encap */
210 		break;
211 	case HAL_TCL_ENCAP_TYPE_802_3:
212 	default:
213 		/* TODO: Take care of other encap modes as well */
214 		ret = -EINVAL;
215 		atomic_inc(&ab->soc_stats.tx_err.misc_fail);
216 		goto fail_remove_idr;
217 	}
218 
219 	ti.paddr = dma_map_single(ab->dev, skb->data, skb->len, DMA_TO_DEVICE);
220 	if (unlikely(dma_mapping_error(ab->dev, ti.paddr))) {
221 		atomic_inc(&ab->soc_stats.tx_err.misc_fail);
222 		ath11k_warn(ab, "failed to DMA map data Tx buffer\n");
223 		ret = -ENOMEM;
224 		goto fail_remove_idr;
225 	}
226 
227 	ti.data_len = skb->len;
228 	skb_cb->paddr = ti.paddr;
229 	skb_cb->vif = arvif->vif;
230 	skb_cb->ar = ar;
231 
232 	hal_ring_id = tx_ring->tcl_data_ring.ring_id;
233 	tcl_ring = &ab->hal.srng_list[hal_ring_id];
234 
235 	spin_lock_bh(&tcl_ring->lock);
236 
237 	ath11k_hal_srng_access_begin(ab, tcl_ring);
238 
239 	hal_tcl_desc = (void *)ath11k_hal_srng_src_get_next_entry(ab, tcl_ring);
240 	if (unlikely(!hal_tcl_desc)) {
241 		/* NOTE: It is highly unlikely we'll be running out of tcl_ring
242 		 * desc because the desc is directly enqueued onto hw queue.
243 		 */
244 		ath11k_hal_srng_access_end(ab, tcl_ring);
245 		ab->soc_stats.tx_err.desc_na[ti.ring_id]++;
246 		spin_unlock_bh(&tcl_ring->lock);
247 		ret = -ENOMEM;
248 
249 		/* Checking for available tcl descritors in another ring in
250 		 * case of failure due to full tcl ring now, is better than
251 		 * checking this ring earlier for each pkt tx.
252 		 * Restart ring selection if some rings are not checked yet.
253 		 */
254 		if (unlikely(ring_map != (BIT(ab->hw_params.max_tx_ring)) - 1) &&
255 		    ab->hw_params.tcl_ring_retry && ab->hw_params.max_tx_ring > 1) {
256 			tcl_ring_retry = true;
257 			ring_selector++;
258 		}
259 
260 		goto fail_unmap_dma;
261 	}
262 
263 	ath11k_hal_tx_cmd_desc_setup(ab, hal_tcl_desc +
264 					 sizeof(struct hal_tlv_hdr), &ti);
265 
266 	ath11k_hal_srng_access_end(ab, tcl_ring);
267 
268 	ath11k_dp_shadow_start_timer(ab, tcl_ring, &dp->tx_ring_timer[ti.ring_id]);
269 
270 	spin_unlock_bh(&tcl_ring->lock);
271 
272 	ath11k_dbg_dump(ab, ATH11K_DBG_DP_TX, NULL, "dp tx msdu: ",
273 			skb->data, skb->len);
274 
275 	atomic_inc(&ar->dp.num_tx_pending);
276 
277 	return 0;
278 
279 fail_unmap_dma:
280 	dma_unmap_single(ab->dev, ti.paddr, ti.data_len, DMA_TO_DEVICE);
281 
282 fail_remove_idr:
283 	spin_lock_bh(&tx_ring->tx_idr_lock);
284 	idr_remove(&tx_ring->txbuf_idr,
285 		   FIELD_GET(DP_TX_DESC_ID_MSDU_ID, ti.desc_id));
286 	spin_unlock_bh(&tx_ring->tx_idr_lock);
287 
288 	if (tcl_ring_retry)
289 		goto tcl_ring_sel;
290 
291 	return ret;
292 }
293 
294 static void ath11k_dp_tx_free_txbuf(struct ath11k_base *ab, u8 mac_id,
295 				    int msdu_id,
296 				    struct dp_tx_ring *tx_ring)
297 {
298 	struct ath11k *ar;
299 	struct sk_buff *msdu;
300 	struct ath11k_skb_cb *skb_cb;
301 
302 	spin_lock(&tx_ring->tx_idr_lock);
303 	msdu = idr_remove(&tx_ring->txbuf_idr, msdu_id);
304 	spin_unlock(&tx_ring->tx_idr_lock);
305 
306 	if (unlikely(!msdu)) {
307 		ath11k_warn(ab, "tx completion for unknown msdu_id %d\n",
308 			    msdu_id);
309 		return;
310 	}
311 
312 	skb_cb = ATH11K_SKB_CB(msdu);
313 
314 	dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
315 	dev_kfree_skb_any(msdu);
316 
317 	ar = ab->pdevs[mac_id].ar;
318 	if (atomic_dec_and_test(&ar->dp.num_tx_pending))
319 		wake_up(&ar->dp.tx_empty_waitq);
320 }
321 
322 static void
323 ath11k_dp_tx_htt_tx_complete_buf(struct ath11k_base *ab,
324 				 struct dp_tx_ring *tx_ring,
325 				 struct ath11k_dp_htt_wbm_tx_status *ts)
326 {
327 	struct ieee80211_tx_status status = { 0 };
328 	struct sk_buff *msdu;
329 	struct ieee80211_tx_info *info;
330 	struct ath11k_skb_cb *skb_cb;
331 	struct ath11k *ar;
332 	struct ath11k_peer *peer;
333 
334 	spin_lock(&tx_ring->tx_idr_lock);
335 	msdu = idr_remove(&tx_ring->txbuf_idr, ts->msdu_id);
336 	spin_unlock(&tx_ring->tx_idr_lock);
337 
338 	if (unlikely(!msdu)) {
339 		ath11k_warn(ab, "htt tx completion for unknown msdu_id %d\n",
340 			    ts->msdu_id);
341 		return;
342 	}
343 
344 	skb_cb = ATH11K_SKB_CB(msdu);
345 	info = IEEE80211_SKB_CB(msdu);
346 
347 	ar = skb_cb->ar;
348 
349 	if (atomic_dec_and_test(&ar->dp.num_tx_pending))
350 		wake_up(&ar->dp.tx_empty_waitq);
351 
352 	dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
353 
354 	if (!skb_cb->vif) {
355 		dev_kfree_skb_any(msdu);
356 		return;
357 	}
358 
359 	memset(&info->status, 0, sizeof(info->status));
360 
361 	if (ts->acked) {
362 		if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) {
363 			info->flags |= IEEE80211_TX_STAT_ACK;
364 			info->status.ack_signal = ATH11K_DEFAULT_NOISE_FLOOR +
365 						  ts->ack_rssi;
366 			info->status.flags |=
367 				IEEE80211_TX_STATUS_ACK_SIGNAL_VALID;
368 		} else {
369 			info->flags |= IEEE80211_TX_STAT_NOACK_TRANSMITTED;
370 		}
371 	}
372 
373 	spin_lock_bh(&ab->base_lock);
374 	peer = ath11k_peer_find_by_id(ab, ts->peer_id);
375 	if (!peer || !peer->sta) {
376 		ath11k_dbg(ab, ATH11K_DBG_DATA,
377 			   "dp_tx: failed to find the peer with peer_id %d\n",
378 			    ts->peer_id);
379 		spin_unlock_bh(&ab->base_lock);
380 		dev_kfree_skb_any(msdu);
381 		return;
382 	}
383 	spin_unlock_bh(&ab->base_lock);
384 
385 	status.sta = peer->sta;
386 	status.info = info;
387 	status.skb = msdu;
388 
389 	ieee80211_tx_status_ext(ar->hw, &status);
390 }
391 
392 static void
393 ath11k_dp_tx_process_htt_tx_complete(struct ath11k_base *ab,
394 #if defined(__linux__)
395 				     void *desc, u8 mac_id,
396 #elif defined(__FreeBSD__)
397 				     u8 *desc, u8 mac_id,
398 #endif
399 				     u32 msdu_id, struct dp_tx_ring *tx_ring)
400 {
401 	struct htt_tx_wbm_completion *status_desc;
402 	struct ath11k_dp_htt_wbm_tx_status ts = {0};
403 	enum hal_wbm_htt_tx_comp_status wbm_status;
404 
405 #if defined(__linux__)
406 	status_desc = desc + HTT_TX_WBM_COMP_STATUS_OFFSET;
407 #elif defined(__FreeBSD__)
408 	status_desc = (void *)(desc + HTT_TX_WBM_COMP_STATUS_OFFSET);
409 #endif
410 
411 	wbm_status = FIELD_GET(HTT_TX_WBM_COMP_INFO0_STATUS,
412 			       status_desc->info0);
413 	switch (wbm_status) {
414 	case HAL_WBM_REL_HTT_TX_COMP_STATUS_OK:
415 	case HAL_WBM_REL_HTT_TX_COMP_STATUS_DROP:
416 	case HAL_WBM_REL_HTT_TX_COMP_STATUS_TTL:
417 		ts.acked = (wbm_status == HAL_WBM_REL_HTT_TX_COMP_STATUS_OK);
418 		ts.msdu_id = msdu_id;
419 		ts.ack_rssi = FIELD_GET(HTT_TX_WBM_COMP_INFO1_ACK_RSSI,
420 					status_desc->info1);
421 
422 		if (FIELD_GET(HTT_TX_WBM_COMP_INFO2_VALID, status_desc->info2))
423 			ts.peer_id = FIELD_GET(HTT_TX_WBM_COMP_INFO2_SW_PEER_ID,
424 					       status_desc->info2);
425 		else
426 			ts.peer_id = HTT_INVALID_PEER_ID;
427 
428 		ath11k_dp_tx_htt_tx_complete_buf(ab, tx_ring, &ts);
429 
430 		break;
431 	case HAL_WBM_REL_HTT_TX_COMP_STATUS_REINJ:
432 	case HAL_WBM_REL_HTT_TX_COMP_STATUS_INSPECT:
433 		ath11k_dp_tx_free_txbuf(ab, mac_id, msdu_id, tx_ring);
434 		break;
435 	case HAL_WBM_REL_HTT_TX_COMP_STATUS_MEC_NOTIFY:
436 		/* This event is to be handled only when the driver decides to
437 		 * use WDS offload functionality.
438 		 */
439 		break;
440 	default:
441 		ath11k_warn(ab, "Unknown htt tx status %d\n", wbm_status);
442 		break;
443 	}
444 }
445 
446 static void ath11k_dp_tx_cache_peer_stats(struct ath11k *ar,
447 					  struct sk_buff *msdu,
448 					  struct hal_tx_status *ts)
449 {
450 	struct ath11k_per_peer_tx_stats *peer_stats = &ar->cached_stats;
451 
452 	if (ts->try_cnt > 1) {
453 		peer_stats->retry_pkts += ts->try_cnt - 1;
454 		peer_stats->retry_bytes += (ts->try_cnt - 1) * msdu->len;
455 
456 		if (ts->status != HAL_WBM_TQM_REL_REASON_FRAME_ACKED) {
457 			peer_stats->failed_pkts += 1;
458 			peer_stats->failed_bytes += msdu->len;
459 		}
460 	}
461 }
462 
463 void ath11k_dp_tx_update_txcompl(struct ath11k *ar, struct hal_tx_status *ts)
464 {
465 	struct ath11k_base *ab = ar->ab;
466 	struct ath11k_per_peer_tx_stats *peer_stats = &ar->cached_stats;
467 	enum hal_tx_rate_stats_pkt_type pkt_type;
468 	enum hal_tx_rate_stats_sgi sgi;
469 	enum hal_tx_rate_stats_bw bw;
470 	struct ath11k_peer *peer;
471 	struct ath11k_sta *arsta;
472 	struct ieee80211_sta *sta;
473 	u16 rate, ru_tones;
474 	u8 mcs, rate_idx = 0, ofdma;
475 	int ret;
476 
477 	spin_lock_bh(&ab->base_lock);
478 	peer = ath11k_peer_find_by_id(ab, ts->peer_id);
479 	if (!peer || !peer->sta) {
480 		ath11k_dbg(ab, ATH11K_DBG_DP_TX,
481 			   "failed to find the peer by id %u\n", ts->peer_id);
482 		goto err_out;
483 	}
484 
485 	sta = peer->sta;
486 	arsta = (struct ath11k_sta *)sta->drv_priv;
487 
488 	memset(&arsta->txrate, 0, sizeof(arsta->txrate));
489 	pkt_type = FIELD_GET(HAL_TX_RATE_STATS_INFO0_PKT_TYPE,
490 			     ts->rate_stats);
491 	mcs = FIELD_GET(HAL_TX_RATE_STATS_INFO0_MCS,
492 			ts->rate_stats);
493 	sgi = FIELD_GET(HAL_TX_RATE_STATS_INFO0_SGI,
494 			ts->rate_stats);
495 	bw = FIELD_GET(HAL_TX_RATE_STATS_INFO0_BW, ts->rate_stats);
496 	ru_tones = FIELD_GET(HAL_TX_RATE_STATS_INFO0_TONES_IN_RU, ts->rate_stats);
497 	ofdma = FIELD_GET(HAL_TX_RATE_STATS_INFO0_OFDMA_TX, ts->rate_stats);
498 
499 	/* This is to prefer choose the real NSS value arsta->last_txrate.nss,
500 	 * if it is invalid, then choose the NSS value while assoc.
501 	 */
502 	if (arsta->last_txrate.nss)
503 		arsta->txrate.nss = arsta->last_txrate.nss;
504 	else
505 		arsta->txrate.nss = arsta->peer_nss;
506 
507 	if (pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11A ||
508 	    pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11B) {
509 		ret = ath11k_mac_hw_ratecode_to_legacy_rate(mcs,
510 							    pkt_type,
511 							    &rate_idx,
512 							    &rate);
513 		if (ret < 0)
514 			goto err_out;
515 		arsta->txrate.legacy = rate;
516 	} else if (pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11N) {
517 		if (mcs > 7) {
518 			ath11k_warn(ab, "Invalid HT mcs index %d\n", mcs);
519 			goto err_out;
520 		}
521 
522 		if (arsta->txrate.nss != 0)
523 			arsta->txrate.mcs = mcs + 8 * (arsta->txrate.nss - 1);
524 		arsta->txrate.flags = RATE_INFO_FLAGS_MCS;
525 		if (sgi)
526 			arsta->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
527 	} else if (pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11AC) {
528 		if (mcs > 9) {
529 			ath11k_warn(ab, "Invalid VHT mcs index %d\n", mcs);
530 			goto err_out;
531 		}
532 
533 		arsta->txrate.mcs = mcs;
534 		arsta->txrate.flags = RATE_INFO_FLAGS_VHT_MCS;
535 		if (sgi)
536 			arsta->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
537 	} else if (pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11AX) {
538 		if (mcs > 11) {
539 			ath11k_warn(ab, "Invalid HE mcs index %d\n", mcs);
540 			goto err_out;
541 		}
542 
543 		arsta->txrate.mcs = mcs;
544 		arsta->txrate.flags = RATE_INFO_FLAGS_HE_MCS;
545 		arsta->txrate.he_gi = ath11k_mac_he_gi_to_nl80211_he_gi(sgi);
546 	}
547 
548 	arsta->txrate.bw = ath11k_mac_bw_to_mac80211_bw(bw);
549 	if (ofdma && pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11AX) {
550 		arsta->txrate.bw = RATE_INFO_BW_HE_RU;
551 		arsta->txrate.he_ru_alloc =
552 			ath11k_mac_he_ru_tones_to_nl80211_he_ru_alloc(ru_tones);
553 	}
554 
555 	if (ath11k_debugfs_is_extd_tx_stats_enabled(ar))
556 		ath11k_debugfs_sta_add_tx_stats(arsta, peer_stats, rate_idx);
557 
558 err_out:
559 	spin_unlock_bh(&ab->base_lock);
560 }
561 
562 static void ath11k_dp_tx_complete_msdu(struct ath11k *ar,
563 				       struct sk_buff *msdu,
564 				       struct hal_tx_status *ts)
565 {
566 	struct ieee80211_tx_status status = { 0 };
567 	struct ieee80211_rate_status status_rate = { 0 };
568 	struct ath11k_base *ab = ar->ab;
569 	struct ieee80211_tx_info *info;
570 	struct ath11k_skb_cb *skb_cb;
571 	struct ath11k_peer *peer;
572 	struct ath11k_sta *arsta;
573 	struct rate_info rate;
574 
575 	if (WARN_ON_ONCE(ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_TQM)) {
576 		/* Must not happen */
577 		return;
578 	}
579 
580 	skb_cb = ATH11K_SKB_CB(msdu);
581 
582 	dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
583 
584 	if (unlikely(!rcu_access_pointer(ab->pdevs_active[ar->pdev_idx]))) {
585 		dev_kfree_skb_any(msdu);
586 		return;
587 	}
588 
589 	if (unlikely(!skb_cb->vif)) {
590 		dev_kfree_skb_any(msdu);
591 		return;
592 	}
593 
594 	info = IEEE80211_SKB_CB(msdu);
595 	memset(&info->status, 0, sizeof(info->status));
596 
597 	/* skip tx rate update from ieee80211_status*/
598 	info->status.rates[0].idx = -1;
599 
600 	if (ts->status == HAL_WBM_TQM_REL_REASON_FRAME_ACKED &&
601 	    !(info->flags & IEEE80211_TX_CTL_NO_ACK)) {
602 		info->flags |= IEEE80211_TX_STAT_ACK;
603 		info->status.ack_signal = ATH11K_DEFAULT_NOISE_FLOOR +
604 					  ts->ack_rssi;
605 		info->status.flags |= IEEE80211_TX_STATUS_ACK_SIGNAL_VALID;
606 	}
607 
608 	if (ts->status == HAL_WBM_TQM_REL_REASON_CMD_REMOVE_TX &&
609 	    (info->flags & IEEE80211_TX_CTL_NO_ACK))
610 		info->flags |= IEEE80211_TX_STAT_NOACK_TRANSMITTED;
611 
612 	if (unlikely(ath11k_debugfs_is_extd_tx_stats_enabled(ar)) ||
613 	    ab->hw_params.single_pdev_only) {
614 		if (ts->flags & HAL_TX_STATUS_FLAGS_FIRST_MSDU) {
615 			if (ar->last_ppdu_id == 0) {
616 				ar->last_ppdu_id = ts->ppdu_id;
617 			} else if (ar->last_ppdu_id == ts->ppdu_id ||
618 				   ar->cached_ppdu_id == ar->last_ppdu_id) {
619 				ar->cached_ppdu_id = ar->last_ppdu_id;
620 				ar->cached_stats.is_ampdu = true;
621 				ath11k_dp_tx_update_txcompl(ar, ts);
622 				memset(&ar->cached_stats, 0,
623 				       sizeof(struct ath11k_per_peer_tx_stats));
624 			} else {
625 				ar->cached_stats.is_ampdu = false;
626 				ath11k_dp_tx_update_txcompl(ar, ts);
627 				memset(&ar->cached_stats, 0,
628 				       sizeof(struct ath11k_per_peer_tx_stats));
629 			}
630 			ar->last_ppdu_id = ts->ppdu_id;
631 		}
632 
633 		ath11k_dp_tx_cache_peer_stats(ar, msdu, ts);
634 	}
635 
636 	spin_lock_bh(&ab->base_lock);
637 	peer = ath11k_peer_find_by_id(ab, ts->peer_id);
638 	if (!peer || !peer->sta) {
639 		ath11k_dbg(ab, ATH11K_DBG_DATA,
640 			   "dp_tx: failed to find the peer with peer_id %d\n",
641 			    ts->peer_id);
642 		spin_unlock_bh(&ab->base_lock);
643 		dev_kfree_skb_any(msdu);
644 		return;
645 	}
646 	arsta = (struct ath11k_sta *)peer->sta->drv_priv;
647 	status.sta = peer->sta;
648 	status.skb = msdu;
649 	status.info = info;
650 	rate = arsta->last_txrate;
651 
652 	status_rate.rate_idx = rate;
653 	status_rate.try_count = 1;
654 
655 	status.rates = &status_rate;
656 	status.n_rates = 1;
657 
658 	spin_unlock_bh(&ab->base_lock);
659 
660 	ieee80211_tx_status_ext(ar->hw, &status);
661 }
662 
663 static inline void ath11k_dp_tx_status_parse(struct ath11k_base *ab,
664 					     struct hal_wbm_release_ring *desc,
665 					     struct hal_tx_status *ts)
666 {
667 	ts->buf_rel_source =
668 		FIELD_GET(HAL_WBM_RELEASE_INFO0_REL_SRC_MODULE, desc->info0);
669 	if (unlikely(ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_FW &&
670 		     ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_TQM))
671 		return;
672 
673 	if (unlikely(ts->buf_rel_source == HAL_WBM_REL_SRC_MODULE_FW))
674 		return;
675 
676 	ts->status = FIELD_GET(HAL_WBM_RELEASE_INFO0_TQM_RELEASE_REASON,
677 			       desc->info0);
678 	ts->ppdu_id = FIELD_GET(HAL_WBM_RELEASE_INFO1_TQM_STATUS_NUMBER,
679 				desc->info1);
680 	ts->try_cnt = FIELD_GET(HAL_WBM_RELEASE_INFO1_TRANSMIT_COUNT,
681 				desc->info1);
682 	ts->ack_rssi = FIELD_GET(HAL_WBM_RELEASE_INFO2_ACK_FRAME_RSSI,
683 				 desc->info2);
684 	if (desc->info2 & HAL_WBM_RELEASE_INFO2_FIRST_MSDU)
685 		ts->flags |= HAL_TX_STATUS_FLAGS_FIRST_MSDU;
686 	ts->peer_id = FIELD_GET(HAL_WBM_RELEASE_INFO3_PEER_ID, desc->info3);
687 	ts->tid = FIELD_GET(HAL_WBM_RELEASE_INFO3_TID, desc->info3);
688 	if (desc->rate_stats.info0 & HAL_TX_RATE_STATS_INFO0_VALID)
689 		ts->rate_stats = desc->rate_stats.info0;
690 	else
691 		ts->rate_stats = 0;
692 }
693 
694 void ath11k_dp_tx_completion_handler(struct ath11k_base *ab, int ring_id)
695 {
696 	struct ath11k *ar;
697 	struct ath11k_dp *dp = &ab->dp;
698 	int hal_ring_id = dp->tx_ring[ring_id].tcl_comp_ring.ring_id;
699 	struct hal_srng *status_ring = &ab->hal.srng_list[hal_ring_id];
700 	struct sk_buff *msdu;
701 	struct hal_tx_status ts = { 0 };
702 	struct dp_tx_ring *tx_ring = &dp->tx_ring[ring_id];
703 	u32 *desc;
704 	u32 msdu_id;
705 	u8 mac_id;
706 
707 	spin_lock_bh(&status_ring->lock);
708 
709 	ath11k_hal_srng_access_begin(ab, status_ring);
710 
711 	while ((ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_head) !=
712 		tx_ring->tx_status_tail) &&
713 	       (desc = ath11k_hal_srng_dst_get_next_entry(ab, status_ring))) {
714 		memcpy(&tx_ring->tx_status[tx_ring->tx_status_head],
715 		       desc, sizeof(struct hal_wbm_release_ring));
716 		tx_ring->tx_status_head =
717 			ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_head);
718 	}
719 
720 	if (unlikely((ath11k_hal_srng_dst_peek(ab, status_ring) != NULL) &&
721 		     (ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_head) ==
722 		      tx_ring->tx_status_tail))) {
723 		/* TODO: Process pending tx_status messages when kfifo_is_full() */
724 		ath11k_warn(ab, "Unable to process some of the tx_status ring desc because status_fifo is full\n");
725 	}
726 
727 	ath11k_hal_srng_access_end(ab, status_ring);
728 
729 	spin_unlock_bh(&status_ring->lock);
730 
731 	while (ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_tail) != tx_ring->tx_status_head) {
732 		struct hal_wbm_release_ring *tx_status;
733 		u32 desc_id;
734 
735 		tx_ring->tx_status_tail =
736 			ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_tail);
737 		tx_status = &tx_ring->tx_status[tx_ring->tx_status_tail];
738 		ath11k_dp_tx_status_parse(ab, tx_status, &ts);
739 
740 		desc_id = FIELD_GET(BUFFER_ADDR_INFO1_SW_COOKIE,
741 				    tx_status->buf_addr_info.info1);
742 		mac_id = FIELD_GET(DP_TX_DESC_ID_MAC_ID, desc_id);
743 		msdu_id = FIELD_GET(DP_TX_DESC_ID_MSDU_ID, desc_id);
744 
745 		if (unlikely(ts.buf_rel_source == HAL_WBM_REL_SRC_MODULE_FW)) {
746 			ath11k_dp_tx_process_htt_tx_complete(ab,
747 							     (void *)tx_status,
748 							     mac_id, msdu_id,
749 							     tx_ring);
750 			continue;
751 		}
752 
753 		spin_lock(&tx_ring->tx_idr_lock);
754 		msdu = idr_remove(&tx_ring->txbuf_idr, msdu_id);
755 		if (unlikely(!msdu)) {
756 			ath11k_warn(ab, "tx completion for unknown msdu_id %d\n",
757 				    msdu_id);
758 			spin_unlock(&tx_ring->tx_idr_lock);
759 			continue;
760 		}
761 
762 		spin_unlock(&tx_ring->tx_idr_lock);
763 
764 		ar = ab->pdevs[mac_id].ar;
765 
766 		if (atomic_dec_and_test(&ar->dp.num_tx_pending))
767 			wake_up(&ar->dp.tx_empty_waitq);
768 
769 		ath11k_dp_tx_complete_msdu(ar, msdu, &ts);
770 	}
771 }
772 
773 int ath11k_dp_tx_send_reo_cmd(struct ath11k_base *ab, struct dp_rx_tid *rx_tid,
774 			      enum hal_reo_cmd_type type,
775 			      struct ath11k_hal_reo_cmd *cmd,
776 			      void (*cb)(struct ath11k_dp *, void *,
777 					 enum hal_reo_cmd_status))
778 {
779 	struct ath11k_dp *dp = &ab->dp;
780 	struct dp_reo_cmd *dp_cmd;
781 	struct hal_srng *cmd_ring;
782 	int cmd_num;
783 
784 	if (test_bit(ATH11K_FLAG_CRASH_FLUSH, &ab->dev_flags))
785 		return -ESHUTDOWN;
786 
787 	cmd_ring = &ab->hal.srng_list[dp->reo_cmd_ring.ring_id];
788 	cmd_num = ath11k_hal_reo_cmd_send(ab, cmd_ring, type, cmd);
789 
790 	/* cmd_num should start from 1, during failure return the error code */
791 	if (cmd_num < 0)
792 		return cmd_num;
793 
794 	/* reo cmd ring descriptors has cmd_num starting from 1 */
795 	if (cmd_num == 0)
796 		return -EINVAL;
797 
798 	if (!cb)
799 		return 0;
800 
801 	/* Can this be optimized so that we keep the pending command list only
802 	 * for tid delete command to free up the resource on the command status
803 	 * indication?
804 	 */
805 	dp_cmd = kzalloc(sizeof(*dp_cmd), GFP_ATOMIC);
806 
807 	if (!dp_cmd)
808 		return -ENOMEM;
809 
810 	memcpy(&dp_cmd->data, rx_tid, sizeof(struct dp_rx_tid));
811 	dp_cmd->cmd_num = cmd_num;
812 	dp_cmd->handler = cb;
813 
814 	spin_lock_bh(&dp->reo_cmd_lock);
815 	list_add_tail(&dp_cmd->list, &dp->reo_cmd_list);
816 	spin_unlock_bh(&dp->reo_cmd_lock);
817 
818 	return 0;
819 }
820 
821 static int
822 ath11k_dp_tx_get_ring_id_type(struct ath11k_base *ab,
823 			      int mac_id, u32 ring_id,
824 			      enum hal_ring_type ring_type,
825 			      enum htt_srng_ring_type *htt_ring_type,
826 			      enum htt_srng_ring_id *htt_ring_id)
827 {
828 	int lmac_ring_id_offset = 0;
829 	int ret = 0;
830 
831 	switch (ring_type) {
832 	case HAL_RXDMA_BUF:
833 		lmac_ring_id_offset = mac_id * HAL_SRNG_RINGS_PER_LMAC;
834 
835 		/* for QCA6390, host fills rx buffer to fw and fw fills to
836 		 * rxbuf ring for each rxdma
837 		 */
838 		if (!ab->hw_params.rx_mac_buf_ring) {
839 			if (!(ring_id == (HAL_SRNG_RING_ID_WMAC1_SW2RXDMA0_BUF +
840 					  lmac_ring_id_offset) ||
841 				ring_id == (HAL_SRNG_RING_ID_WMAC1_SW2RXDMA1_BUF +
842 					lmac_ring_id_offset))) {
843 				ret = -EINVAL;
844 			}
845 			*htt_ring_id = HTT_RXDMA_HOST_BUF_RING;
846 			*htt_ring_type = HTT_SW_TO_HW_RING;
847 		} else {
848 			if (ring_id == HAL_SRNG_RING_ID_WMAC1_SW2RXDMA0_BUF) {
849 				*htt_ring_id = HTT_HOST1_TO_FW_RXBUF_RING;
850 				*htt_ring_type = HTT_SW_TO_SW_RING;
851 			} else {
852 				*htt_ring_id = HTT_RXDMA_HOST_BUF_RING;
853 				*htt_ring_type = HTT_SW_TO_HW_RING;
854 			}
855 		}
856 		break;
857 	case HAL_RXDMA_DST:
858 		*htt_ring_id = HTT_RXDMA_NON_MONITOR_DEST_RING;
859 		*htt_ring_type = HTT_HW_TO_SW_RING;
860 		break;
861 	case HAL_RXDMA_MONITOR_BUF:
862 		*htt_ring_id = HTT_RXDMA_MONITOR_BUF_RING;
863 		*htt_ring_type = HTT_SW_TO_HW_RING;
864 		break;
865 	case HAL_RXDMA_MONITOR_STATUS:
866 		*htt_ring_id = HTT_RXDMA_MONITOR_STATUS_RING;
867 		*htt_ring_type = HTT_SW_TO_HW_RING;
868 		break;
869 	case HAL_RXDMA_MONITOR_DST:
870 		*htt_ring_id = HTT_RXDMA_MONITOR_DEST_RING;
871 		*htt_ring_type = HTT_HW_TO_SW_RING;
872 		break;
873 	case HAL_RXDMA_MONITOR_DESC:
874 		*htt_ring_id = HTT_RXDMA_MONITOR_DESC_RING;
875 		*htt_ring_type = HTT_SW_TO_HW_RING;
876 		break;
877 	default:
878 		ath11k_warn(ab, "Unsupported ring type in DP :%d\n", ring_type);
879 		ret = -EINVAL;
880 	}
881 	return ret;
882 }
883 
884 int ath11k_dp_tx_htt_srng_setup(struct ath11k_base *ab, u32 ring_id,
885 				int mac_id, enum hal_ring_type ring_type)
886 {
887 	struct htt_srng_setup_cmd *cmd;
888 	struct hal_srng *srng = &ab->hal.srng_list[ring_id];
889 	struct hal_srng_params params;
890 	struct sk_buff *skb;
891 	u32 ring_entry_sz;
892 	int len = sizeof(*cmd);
893 	dma_addr_t hp_addr, tp_addr;
894 	enum htt_srng_ring_type htt_ring_type;
895 	enum htt_srng_ring_id htt_ring_id;
896 	int ret;
897 
898 	skb = ath11k_htc_alloc_skb(ab, len);
899 	if (!skb)
900 		return -ENOMEM;
901 
902 	memset(&params, 0, sizeof(params));
903 	ath11k_hal_srng_get_params(ab, srng, &params);
904 
905 	hp_addr = ath11k_hal_srng_get_hp_addr(ab, srng);
906 	tp_addr = ath11k_hal_srng_get_tp_addr(ab, srng);
907 
908 	ret = ath11k_dp_tx_get_ring_id_type(ab, mac_id, ring_id,
909 					    ring_type, &htt_ring_type,
910 					    &htt_ring_id);
911 	if (ret)
912 		goto err_free;
913 
914 	skb_put(skb, len);
915 	cmd = (struct htt_srng_setup_cmd *)skb->data;
916 	cmd->info0 = FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_MSG_TYPE,
917 				HTT_H2T_MSG_TYPE_SRING_SETUP);
918 	if (htt_ring_type == HTT_SW_TO_HW_RING ||
919 	    htt_ring_type == HTT_HW_TO_SW_RING)
920 		cmd->info0 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_PDEV_ID,
921 					 DP_SW2HW_MACID(mac_id));
922 	else
923 		cmd->info0 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_PDEV_ID,
924 					 mac_id);
925 	cmd->info0 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_RING_TYPE,
926 				 htt_ring_type);
927 	cmd->info0 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_RING_ID, htt_ring_id);
928 
929 	cmd->ring_base_addr_lo = params.ring_base_paddr &
930 				 HAL_ADDR_LSB_REG_MASK;
931 
932 	cmd->ring_base_addr_hi = (u64)params.ring_base_paddr >>
933 				 HAL_ADDR_MSB_REG_SHIFT;
934 
935 	ret = ath11k_hal_srng_get_entrysize(ab, ring_type);
936 	if (ret < 0)
937 		goto err_free;
938 
939 	ring_entry_sz = ret;
940 
941 	ring_entry_sz >>= 2;
942 	cmd->info1 = FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO1_RING_ENTRY_SIZE,
943 				ring_entry_sz);
944 	cmd->info1 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO1_RING_SIZE,
945 				 params.num_entries * ring_entry_sz);
946 	cmd->info1 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO1_RING_FLAGS_MSI_SWAP,
947 				 !!(params.flags & HAL_SRNG_FLAGS_MSI_SWAP));
948 	cmd->info1 |= FIELD_PREP(
949 			HTT_SRNG_SETUP_CMD_INFO1_RING_FLAGS_TLV_SWAP,
950 			!!(params.flags & HAL_SRNG_FLAGS_DATA_TLV_SWAP));
951 	cmd->info1 |= FIELD_PREP(
952 			HTT_SRNG_SETUP_CMD_INFO1_RING_FLAGS_HOST_FW_SWAP,
953 			!!(params.flags & HAL_SRNG_FLAGS_RING_PTR_SWAP));
954 	if (htt_ring_type == HTT_SW_TO_HW_RING)
955 		cmd->info1 |= HTT_SRNG_SETUP_CMD_INFO1_RING_LOOP_CNT_DIS;
956 
957 	cmd->ring_head_off32_remote_addr_lo = hp_addr & HAL_ADDR_LSB_REG_MASK;
958 	cmd->ring_head_off32_remote_addr_hi = (u64)hp_addr >>
959 					      HAL_ADDR_MSB_REG_SHIFT;
960 
961 	cmd->ring_tail_off32_remote_addr_lo = tp_addr & HAL_ADDR_LSB_REG_MASK;
962 	cmd->ring_tail_off32_remote_addr_hi = (u64)tp_addr >>
963 					      HAL_ADDR_MSB_REG_SHIFT;
964 
965 	cmd->ring_msi_addr_lo = lower_32_bits(params.msi_addr);
966 	cmd->ring_msi_addr_hi = upper_32_bits(params.msi_addr);
967 	cmd->msi_data = params.msi_data;
968 
969 	cmd->intr_info = FIELD_PREP(
970 			HTT_SRNG_SETUP_CMD_INTR_INFO_BATCH_COUNTER_THRESH,
971 			params.intr_batch_cntr_thres_entries * ring_entry_sz);
972 	cmd->intr_info |= FIELD_PREP(
973 			HTT_SRNG_SETUP_CMD_INTR_INFO_INTR_TIMER_THRESH,
974 			params.intr_timer_thres_us >> 3);
975 
976 	cmd->info2 = 0;
977 	if (params.flags & HAL_SRNG_FLAGS_LOW_THRESH_INTR_EN) {
978 		cmd->info2 = FIELD_PREP(
979 				HTT_SRNG_SETUP_CMD_INFO2_INTR_LOW_THRESH,
980 				params.low_threshold);
981 	}
982 
983 	ath11k_dbg(ab, ATH11K_DBG_DP_TX,
984 		   "htt srng setup msi_addr_lo 0x%x msi_addr_hi 0x%x msi_data 0x%x ring_id %d ring_type %d intr_info 0x%x flags 0x%x\n",
985 		   cmd->ring_msi_addr_lo, cmd->ring_msi_addr_hi,
986 		   cmd->msi_data, ring_id, ring_type, cmd->intr_info, cmd->info2);
987 
988 	ret = ath11k_htc_send(&ab->htc, ab->dp.eid, skb);
989 	if (ret)
990 		goto err_free;
991 
992 	return 0;
993 
994 err_free:
995 	dev_kfree_skb_any(skb);
996 
997 	return ret;
998 }
999 
1000 #define HTT_TARGET_VERSION_TIMEOUT_HZ (3 * HZ)
1001 
1002 int ath11k_dp_tx_htt_h2t_ver_req_msg(struct ath11k_base *ab)
1003 {
1004 	struct ath11k_dp *dp = &ab->dp;
1005 	struct sk_buff *skb;
1006 	struct htt_ver_req_cmd *cmd;
1007 	int len = sizeof(*cmd);
1008 	int ret;
1009 
1010 	init_completion(&dp->htt_tgt_version_received);
1011 
1012 	skb = ath11k_htc_alloc_skb(ab, len);
1013 	if (!skb)
1014 		return -ENOMEM;
1015 
1016 	skb_put(skb, len);
1017 	cmd = (struct htt_ver_req_cmd *)skb->data;
1018 	cmd->ver_reg_info = FIELD_PREP(HTT_VER_REQ_INFO_MSG_ID,
1019 				       HTT_H2T_MSG_TYPE_VERSION_REQ);
1020 
1021 	ret = ath11k_htc_send(&ab->htc, dp->eid, skb);
1022 	if (ret) {
1023 		dev_kfree_skb_any(skb);
1024 		return ret;
1025 	}
1026 
1027 	ret = wait_for_completion_timeout(&dp->htt_tgt_version_received,
1028 					  HTT_TARGET_VERSION_TIMEOUT_HZ);
1029 	if (ret == 0) {
1030 		ath11k_warn(ab, "htt target version request timed out\n");
1031 		return -ETIMEDOUT;
1032 	}
1033 
1034 	if (dp->htt_tgt_ver_major != HTT_TARGET_VERSION_MAJOR) {
1035 		ath11k_err(ab, "unsupported htt major version %d supported version is %d\n",
1036 			   dp->htt_tgt_ver_major, HTT_TARGET_VERSION_MAJOR);
1037 		return -ENOTSUPP;
1038 	}
1039 
1040 	return 0;
1041 }
1042 
1043 int ath11k_dp_tx_htt_h2t_ppdu_stats_req(struct ath11k *ar, u32 mask)
1044 {
1045 	struct ath11k_base *ab = ar->ab;
1046 	struct ath11k_dp *dp = &ab->dp;
1047 	struct sk_buff *skb;
1048 	struct htt_ppdu_stats_cfg_cmd *cmd;
1049 	int len = sizeof(*cmd);
1050 	u8 pdev_mask;
1051 	int ret;
1052 	int i;
1053 
1054 	for (i = 0; i < ab->hw_params.num_rxmda_per_pdev; i++) {
1055 		skb = ath11k_htc_alloc_skb(ab, len);
1056 		if (!skb)
1057 			return -ENOMEM;
1058 
1059 		skb_put(skb, len);
1060 		cmd = (struct htt_ppdu_stats_cfg_cmd *)skb->data;
1061 		cmd->msg = FIELD_PREP(HTT_PPDU_STATS_CFG_MSG_TYPE,
1062 				      HTT_H2T_MSG_TYPE_PPDU_STATS_CFG);
1063 
1064 		pdev_mask = 1 << (ar->pdev_idx + i);
1065 		cmd->msg |= FIELD_PREP(HTT_PPDU_STATS_CFG_PDEV_ID, pdev_mask);
1066 		cmd->msg |= FIELD_PREP(HTT_PPDU_STATS_CFG_TLV_TYPE_BITMASK, mask);
1067 
1068 		ret = ath11k_htc_send(&ab->htc, dp->eid, skb);
1069 		if (ret) {
1070 			dev_kfree_skb_any(skb);
1071 			return ret;
1072 		}
1073 	}
1074 
1075 	return 0;
1076 }
1077 
1078 int ath11k_dp_tx_htt_rx_filter_setup(struct ath11k_base *ab, u32 ring_id,
1079 				     int mac_id, enum hal_ring_type ring_type,
1080 				     int rx_buf_size,
1081 				     struct htt_rx_ring_tlv_filter *tlv_filter)
1082 {
1083 	struct htt_rx_ring_selection_cfg_cmd *cmd;
1084 	struct hal_srng *srng = &ab->hal.srng_list[ring_id];
1085 	struct hal_srng_params params;
1086 	struct sk_buff *skb;
1087 	int len = sizeof(*cmd);
1088 	enum htt_srng_ring_type htt_ring_type;
1089 	enum htt_srng_ring_id htt_ring_id;
1090 	int ret;
1091 
1092 	skb = ath11k_htc_alloc_skb(ab, len);
1093 	if (!skb)
1094 		return -ENOMEM;
1095 
1096 	memset(&params, 0, sizeof(params));
1097 	ath11k_hal_srng_get_params(ab, srng, &params);
1098 
1099 	ret = ath11k_dp_tx_get_ring_id_type(ab, mac_id, ring_id,
1100 					    ring_type, &htt_ring_type,
1101 					    &htt_ring_id);
1102 	if (ret)
1103 		goto err_free;
1104 
1105 	skb_put(skb, len);
1106 	cmd = (struct htt_rx_ring_selection_cfg_cmd *)skb->data;
1107 	cmd->info0 = FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_MSG_TYPE,
1108 				HTT_H2T_MSG_TYPE_RX_RING_SELECTION_CFG);
1109 	if (htt_ring_type == HTT_SW_TO_HW_RING ||
1110 	    htt_ring_type == HTT_HW_TO_SW_RING)
1111 		cmd->info0 |=
1112 			FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_PDEV_ID,
1113 				   DP_SW2HW_MACID(mac_id));
1114 	else
1115 		cmd->info0 |=
1116 			FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_PDEV_ID,
1117 				   mac_id);
1118 	cmd->info0 |= FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_RING_ID,
1119 				 htt_ring_id);
1120 	cmd->info0 |= FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_SS,
1121 				 !!(params.flags & HAL_SRNG_FLAGS_MSI_SWAP));
1122 	cmd->info0 |= FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_PS,
1123 				 !!(params.flags & HAL_SRNG_FLAGS_DATA_TLV_SWAP));
1124 
1125 	cmd->info1 = FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO1_BUF_SIZE,
1126 				rx_buf_size);
1127 	cmd->pkt_type_en_flags0 = tlv_filter->pkt_filter_flags0;
1128 	cmd->pkt_type_en_flags1 = tlv_filter->pkt_filter_flags1;
1129 	cmd->pkt_type_en_flags2 = tlv_filter->pkt_filter_flags2;
1130 	cmd->pkt_type_en_flags3 = tlv_filter->pkt_filter_flags3;
1131 	cmd->rx_filter_tlv = tlv_filter->rx_filter;
1132 
1133 	ret = ath11k_htc_send(&ab->htc, ab->dp.eid, skb);
1134 	if (ret)
1135 		goto err_free;
1136 
1137 	return 0;
1138 
1139 err_free:
1140 	dev_kfree_skb_any(skb);
1141 
1142 	return ret;
1143 }
1144 
1145 int
1146 ath11k_dp_tx_htt_h2t_ext_stats_req(struct ath11k *ar, u8 type,
1147 				   struct htt_ext_stats_cfg_params *cfg_params,
1148 				   u64 cookie)
1149 {
1150 	struct ath11k_base *ab = ar->ab;
1151 	struct ath11k_dp *dp = &ab->dp;
1152 	struct sk_buff *skb;
1153 	struct htt_ext_stats_cfg_cmd *cmd;
1154 	u32 pdev_id;
1155 	int len = sizeof(*cmd);
1156 	int ret;
1157 
1158 	skb = ath11k_htc_alloc_skb(ab, len);
1159 	if (!skb)
1160 		return -ENOMEM;
1161 
1162 	skb_put(skb, len);
1163 
1164 	cmd = (struct htt_ext_stats_cfg_cmd *)skb->data;
1165 	memset(cmd, 0, sizeof(*cmd));
1166 	cmd->hdr.msg_type = HTT_H2T_MSG_TYPE_EXT_STATS_CFG;
1167 
1168 	if (ab->hw_params.single_pdev_only)
1169 		pdev_id = ath11k_mac_get_target_pdev_id(ar);
1170 	else
1171 		pdev_id = ar->pdev->pdev_id;
1172 
1173 	cmd->hdr.pdev_mask = 1 << pdev_id;
1174 
1175 	cmd->hdr.stats_type = type;
1176 	cmd->cfg_param0 = cfg_params->cfg0;
1177 	cmd->cfg_param1 = cfg_params->cfg1;
1178 	cmd->cfg_param2 = cfg_params->cfg2;
1179 	cmd->cfg_param3 = cfg_params->cfg3;
1180 	cmd->cookie_lsb = lower_32_bits(cookie);
1181 	cmd->cookie_msb = upper_32_bits(cookie);
1182 
1183 	ret = ath11k_htc_send(&ab->htc, dp->eid, skb);
1184 	if (ret) {
1185 		ath11k_warn(ab, "failed to send htt type stats request: %d",
1186 			    ret);
1187 		dev_kfree_skb_any(skb);
1188 		return ret;
1189 	}
1190 
1191 	return 0;
1192 }
1193 
1194 int ath11k_dp_tx_htt_monitor_mode_ring_config(struct ath11k *ar, bool reset)
1195 {
1196 	struct ath11k_pdev_dp *dp = &ar->dp;
1197 	struct ath11k_base *ab = ar->ab;
1198 	struct htt_rx_ring_tlv_filter tlv_filter = {0};
1199 	int ret = 0, ring_id = 0, i;
1200 
1201 	if (ab->hw_params.full_monitor_mode) {
1202 		ret = ath11k_dp_tx_htt_rx_full_mon_setup(ab,
1203 							 dp->mac_id, !reset);
1204 		if (ret < 0) {
1205 			ath11k_err(ab, "failed to setup full monitor %d\n", ret);
1206 			return ret;
1207 		}
1208 	}
1209 
1210 	ring_id = dp->rxdma_mon_buf_ring.refill_buf_ring.ring_id;
1211 
1212 	if (!reset) {
1213 		tlv_filter.rx_filter = HTT_RX_MON_FILTER_TLV_FLAGS_MON_BUF_RING;
1214 		tlv_filter.pkt_filter_flags0 =
1215 					HTT_RX_MON_FP_MGMT_FILTER_FLAGS0 |
1216 					HTT_RX_MON_MO_MGMT_FILTER_FLAGS0;
1217 		tlv_filter.pkt_filter_flags1 =
1218 					HTT_RX_MON_FP_MGMT_FILTER_FLAGS1 |
1219 					HTT_RX_MON_MO_MGMT_FILTER_FLAGS1;
1220 		tlv_filter.pkt_filter_flags2 =
1221 					HTT_RX_MON_FP_CTRL_FILTER_FLASG2 |
1222 					HTT_RX_MON_MO_CTRL_FILTER_FLASG2;
1223 		tlv_filter.pkt_filter_flags3 =
1224 					HTT_RX_MON_FP_CTRL_FILTER_FLASG3 |
1225 					HTT_RX_MON_MO_CTRL_FILTER_FLASG3 |
1226 					HTT_RX_MON_FP_DATA_FILTER_FLASG3 |
1227 					HTT_RX_MON_MO_DATA_FILTER_FLASG3;
1228 	}
1229 
1230 	if (ab->hw_params.rxdma1_enable) {
1231 		ret = ath11k_dp_tx_htt_rx_filter_setup(ar->ab, ring_id, dp->mac_id,
1232 						       HAL_RXDMA_MONITOR_BUF,
1233 						       DP_RXDMA_REFILL_RING_SIZE,
1234 						       &tlv_filter);
1235 	} else if (!reset) {
1236 		/* set in monitor mode only */
1237 		for (i = 0; i < ab->hw_params.num_rxmda_per_pdev; i++) {
1238 			ring_id = dp->rx_mac_buf_ring[i].ring_id;
1239 			ret = ath11k_dp_tx_htt_rx_filter_setup(ar->ab, ring_id,
1240 							       dp->mac_id + i,
1241 							       HAL_RXDMA_BUF,
1242 							       1024,
1243 							       &tlv_filter);
1244 		}
1245 	}
1246 
1247 	if (ret)
1248 		return ret;
1249 
1250 	for (i = 0; i < ab->hw_params.num_rxmda_per_pdev; i++) {
1251 		ring_id = dp->rx_mon_status_refill_ring[i].refill_buf_ring.ring_id;
1252 		if (!reset) {
1253 			tlv_filter.rx_filter =
1254 					HTT_RX_MON_FILTER_TLV_FLAGS_MON_STATUS_RING;
1255 		} else {
1256 			tlv_filter = ath11k_mac_mon_status_filter_default;
1257 
1258 			if (ath11k_debugfs_is_extd_rx_stats_enabled(ar))
1259 				tlv_filter.rx_filter = ath11k_debugfs_rx_filter(ar);
1260 		}
1261 
1262 		ret = ath11k_dp_tx_htt_rx_filter_setup(ab, ring_id,
1263 						       dp->mac_id + i,
1264 						       HAL_RXDMA_MONITOR_STATUS,
1265 						       DP_RXDMA_REFILL_RING_SIZE,
1266 						       &tlv_filter);
1267 	}
1268 
1269 	if (!ar->ab->hw_params.rxdma1_enable)
1270 		mod_timer(&ar->ab->mon_reap_timer, jiffies +
1271 			  msecs_to_jiffies(ATH11K_MON_TIMER_INTERVAL));
1272 
1273 	return ret;
1274 }
1275 
1276 int ath11k_dp_tx_htt_rx_full_mon_setup(struct ath11k_base *ab, int mac_id,
1277 				       bool config)
1278 {
1279 	struct htt_rx_full_monitor_mode_cfg_cmd *cmd;
1280 	struct sk_buff *skb;
1281 	int ret, len = sizeof(*cmd);
1282 
1283 	skb = ath11k_htc_alloc_skb(ab, len);
1284 	if (!skb)
1285 		return -ENOMEM;
1286 
1287 	skb_put(skb, len);
1288 	cmd = (struct htt_rx_full_monitor_mode_cfg_cmd *)skb->data;
1289 	memset(cmd, 0, sizeof(*cmd));
1290 	cmd->info0 = FIELD_PREP(HTT_RX_FULL_MON_MODE_CFG_CMD_INFO0_MSG_TYPE,
1291 				HTT_H2T_MSG_TYPE_RX_FULL_MONITOR_MODE);
1292 
1293 	cmd->info0 |= FIELD_PREP(HTT_RX_FULL_MON_MODE_CFG_CMD_INFO0_PDEV_ID, mac_id);
1294 
1295 	cmd->cfg = HTT_RX_FULL_MON_MODE_CFG_CMD_CFG_ENABLE |
1296 		   FIELD_PREP(HTT_RX_FULL_MON_MODE_CFG_CMD_CFG_RELEASE_RING,
1297 			      HTT_RX_MON_RING_SW);
1298 	if (config) {
1299 		cmd->cfg |= HTT_RX_FULL_MON_MODE_CFG_CMD_CFG_ZERO_MPDUS_END |
1300 			    HTT_RX_FULL_MON_MODE_CFG_CMD_CFG_NON_ZERO_MPDUS_END;
1301 	}
1302 
1303 	ret = ath11k_htc_send(&ab->htc, ab->dp.eid, skb);
1304 	if (ret)
1305 		goto err_free;
1306 
1307 	return 0;
1308 
1309 err_free:
1310 	dev_kfree_skb_any(skb);
1311 
1312 	return ret;
1313 }
1314