xref: /freebsd/sys/contrib/dev/athk/ath11k/dp_tx.c (revision e6bfd18d21b225af6a0ed67ceeaf1293b7b9eba5)
1 // SPDX-License-Identifier: BSD-3-Clause-Clear
2 /*
3  * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.
4  */
5 
6 #include "core.h"
7 #include "dp_tx.h"
8 #include "debug.h"
9 #include "debugfs_sta.h"
10 #include "hw.h"
11 #include "peer.h"
12 #include "mac.h"
13 
14 static enum hal_tcl_encap_type
15 ath11k_dp_tx_get_encap_type(struct ath11k_vif *arvif, struct sk_buff *skb)
16 {
17 	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
18 	struct ath11k_base *ab = arvif->ar->ab;
19 
20 	if (test_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags))
21 		return HAL_TCL_ENCAP_TYPE_RAW;
22 
23 	if (tx_info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP)
24 		return HAL_TCL_ENCAP_TYPE_ETHERNET;
25 
26 	return HAL_TCL_ENCAP_TYPE_NATIVE_WIFI;
27 }
28 
29 static void ath11k_dp_tx_encap_nwifi(struct sk_buff *skb)
30 {
31 	struct ieee80211_hdr *hdr = (void *)skb->data;
32 	u8 *qos_ctl;
33 
34 	if (!ieee80211_is_data_qos(hdr->frame_control))
35 		return;
36 
37 	qos_ctl = ieee80211_get_qos_ctl(hdr);
38 	memmove(skb->data + IEEE80211_QOS_CTL_LEN,
39 #if defined(__linux__)
40 		skb->data, (void *)qos_ctl - (void *)skb->data);
41 #elif defined(__FreeBSD__)
42 		skb->data, qos_ctl - (u8 *)skb->data);
43 #endif
44 	skb_pull(skb, IEEE80211_QOS_CTL_LEN);
45 
46 	hdr = (void *)skb->data;
47 	hdr->frame_control &= ~__cpu_to_le16(IEEE80211_STYPE_QOS_DATA);
48 }
49 
50 static u8 ath11k_dp_tx_get_tid(struct sk_buff *skb)
51 {
52 	struct ieee80211_hdr *hdr = (void *)skb->data;
53 	struct ath11k_skb_cb *cb = ATH11K_SKB_CB(skb);
54 
55 	if (cb->flags & ATH11K_SKB_HW_80211_ENCAP)
56 		return skb->priority & IEEE80211_QOS_CTL_TID_MASK;
57 	else if (!ieee80211_is_data_qos(hdr->frame_control))
58 		return HAL_DESC_REO_NON_QOS_TID;
59 	else
60 		return skb->priority & IEEE80211_QOS_CTL_TID_MASK;
61 }
62 
63 enum hal_encrypt_type ath11k_dp_tx_get_encrypt_type(u32 cipher)
64 {
65 	switch (cipher) {
66 	case WLAN_CIPHER_SUITE_WEP40:
67 		return HAL_ENCRYPT_TYPE_WEP_40;
68 	case WLAN_CIPHER_SUITE_WEP104:
69 		return HAL_ENCRYPT_TYPE_WEP_104;
70 	case WLAN_CIPHER_SUITE_TKIP:
71 		return HAL_ENCRYPT_TYPE_TKIP_MIC;
72 	case WLAN_CIPHER_SUITE_CCMP:
73 		return HAL_ENCRYPT_TYPE_CCMP_128;
74 	case WLAN_CIPHER_SUITE_CCMP_256:
75 		return HAL_ENCRYPT_TYPE_CCMP_256;
76 	case WLAN_CIPHER_SUITE_GCMP:
77 		return HAL_ENCRYPT_TYPE_GCMP_128;
78 	case WLAN_CIPHER_SUITE_GCMP_256:
79 		return HAL_ENCRYPT_TYPE_AES_GCMP_256;
80 	default:
81 		return HAL_ENCRYPT_TYPE_OPEN;
82 	}
83 }
84 
85 int ath11k_dp_tx(struct ath11k *ar, struct ath11k_vif *arvif,
86 		 struct ath11k_sta *arsta, struct sk_buff *skb)
87 {
88 	struct ath11k_base *ab = ar->ab;
89 	struct ath11k_dp *dp = &ab->dp;
90 	struct hal_tx_info ti = {0};
91 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
92 	struct ath11k_skb_cb *skb_cb = ATH11K_SKB_CB(skb);
93 	struct hal_srng *tcl_ring;
94 	struct ieee80211_hdr *hdr = (void *)skb->data;
95 	struct dp_tx_ring *tx_ring;
96 #if defined(__linux__)
97 	void *hal_tcl_desc;
98 #elif defined(__FreeBSD__)
99 	u8 *hal_tcl_desc;
100 #endif
101 	u8 pool_id;
102 	u8 hal_ring_id;
103 	int ret;
104 	u8 ring_selector = 0, ring_map = 0;
105 	bool tcl_ring_retry;
106 
107 	if (unlikely(test_bit(ATH11K_FLAG_CRASH_FLUSH, &ar->ab->dev_flags)))
108 		return -ESHUTDOWN;
109 
110 	if (unlikely(!(info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP) &&
111 		     !ieee80211_is_data(hdr->frame_control)))
112 		return -ENOTSUPP;
113 
114 	pool_id = skb_get_queue_mapping(skb) & (ATH11K_HW_MAX_QUEUES - 1);
115 
116 	/* Let the default ring selection be based on current processor
117 	 * number, where one of the 3 tcl rings are selected based on
118 	 * the smp_processor_id(). In case that ring
119 	 * is full/busy, we resort to other available rings.
120 	 * If all rings are full, we drop the packet.
121 	 * //TODO Add throttling logic when all rings are full
122 	 */
123 	ring_selector = smp_processor_id();
124 
125 tcl_ring_sel:
126 	tcl_ring_retry = false;
127 
128 	ti.ring_id = ring_selector % ab->hw_params.max_tx_ring;
129 
130 	ring_map |= BIT(ti.ring_id);
131 
132 	tx_ring = &dp->tx_ring[ti.ring_id];
133 
134 	spin_lock_bh(&tx_ring->tx_idr_lock);
135 	ret = idr_alloc(&tx_ring->txbuf_idr, skb, 0,
136 			DP_TX_IDR_SIZE - 1, GFP_ATOMIC);
137 	spin_unlock_bh(&tx_ring->tx_idr_lock);
138 
139 	if (unlikely(ret < 0)) {
140 		if (ring_map == (BIT(ab->hw_params.max_tx_ring) - 1)) {
141 			atomic_inc(&ab->soc_stats.tx_err.misc_fail);
142 			return -ENOSPC;
143 		}
144 
145 		/* Check if the next ring is available */
146 		ring_selector++;
147 		goto tcl_ring_sel;
148 	}
149 
150 	ti.desc_id = FIELD_PREP(DP_TX_DESC_ID_MAC_ID, ar->pdev_idx) |
151 		     FIELD_PREP(DP_TX_DESC_ID_MSDU_ID, ret) |
152 		     FIELD_PREP(DP_TX_DESC_ID_POOL_ID, pool_id);
153 	ti.encap_type = ath11k_dp_tx_get_encap_type(arvif, skb);
154 
155 	if (ieee80211_has_a4(hdr->frame_control) &&
156 	    is_multicast_ether_addr(hdr->addr3) && arsta &&
157 	    arsta->use_4addr_set) {
158 		ti.meta_data_flags = arsta->tcl_metadata;
159 		ti.flags0 |= FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_TO_FW, 1);
160 	} else {
161 		ti.meta_data_flags = arvif->tcl_metadata;
162 	}
163 
164 	if (unlikely(ti.encap_type == HAL_TCL_ENCAP_TYPE_RAW)) {
165 		if (skb_cb->flags & ATH11K_SKB_CIPHER_SET) {
166 			ti.encrypt_type =
167 				ath11k_dp_tx_get_encrypt_type(skb_cb->cipher);
168 
169 			if (ieee80211_has_protected(hdr->frame_control))
170 				skb_put(skb, IEEE80211_CCMP_MIC_LEN);
171 		} else {
172 			ti.encrypt_type = HAL_ENCRYPT_TYPE_OPEN;
173 		}
174 	}
175 
176 	ti.addr_search_flags = arvif->hal_addr_search_flags;
177 	ti.search_type = arvif->search_type;
178 	ti.type = HAL_TCL_DESC_TYPE_BUFFER;
179 	ti.pkt_offset = 0;
180 	ti.lmac_id = ar->lmac_id;
181 	ti.bss_ast_hash = arvif->ast_hash;
182 	ti.bss_ast_idx = arvif->ast_idx;
183 	ti.dscp_tid_tbl_idx = 0;
184 
185 	if (likely(skb->ip_summed == CHECKSUM_PARTIAL &&
186 		   ti.encap_type != HAL_TCL_ENCAP_TYPE_RAW)) {
187 		ti.flags0 |= FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_IP4_CKSUM_EN, 1) |
188 			     FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_UDP4_CKSUM_EN, 1) |
189 			     FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_UDP6_CKSUM_EN, 1) |
190 			     FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_TCP4_CKSUM_EN, 1) |
191 			     FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_TCP6_CKSUM_EN, 1);
192 	}
193 
194 	if (ieee80211_vif_is_mesh(arvif->vif))
195 		ti.enable_mesh = true;
196 
197 	ti.flags1 |= FIELD_PREP(HAL_TCL_DATA_CMD_INFO2_TID_OVERWRITE, 1);
198 
199 	ti.tid = ath11k_dp_tx_get_tid(skb);
200 
201 	switch (ti.encap_type) {
202 	case HAL_TCL_ENCAP_TYPE_NATIVE_WIFI:
203 		ath11k_dp_tx_encap_nwifi(skb);
204 		break;
205 	case HAL_TCL_ENCAP_TYPE_RAW:
206 		if (!test_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags)) {
207 			ret = -EINVAL;
208 			goto fail_remove_idr;
209 		}
210 		break;
211 	case HAL_TCL_ENCAP_TYPE_ETHERNET:
212 		/* no need to encap */
213 		break;
214 	case HAL_TCL_ENCAP_TYPE_802_3:
215 	default:
216 		/* TODO: Take care of other encap modes as well */
217 		ret = -EINVAL;
218 		atomic_inc(&ab->soc_stats.tx_err.misc_fail);
219 		goto fail_remove_idr;
220 	}
221 
222 	ti.paddr = dma_map_single(ab->dev, skb->data, skb->len, DMA_TO_DEVICE);
223 	if (unlikely(dma_mapping_error(ab->dev, ti.paddr))) {
224 		atomic_inc(&ab->soc_stats.tx_err.misc_fail);
225 		ath11k_warn(ab, "failed to DMA map data Tx buffer\n");
226 		ret = -ENOMEM;
227 		goto fail_remove_idr;
228 	}
229 
230 	ti.data_len = skb->len;
231 	skb_cb->paddr = ti.paddr;
232 	skb_cb->vif = arvif->vif;
233 	skb_cb->ar = ar;
234 
235 	hal_ring_id = tx_ring->tcl_data_ring.ring_id;
236 	tcl_ring = &ab->hal.srng_list[hal_ring_id];
237 
238 	spin_lock_bh(&tcl_ring->lock);
239 
240 	ath11k_hal_srng_access_begin(ab, tcl_ring);
241 
242 	hal_tcl_desc = (void *)ath11k_hal_srng_src_get_next_entry(ab, tcl_ring);
243 	if (unlikely(!hal_tcl_desc)) {
244 		/* NOTE: It is highly unlikely we'll be running out of tcl_ring
245 		 * desc because the desc is directly enqueued onto hw queue.
246 		 */
247 		ath11k_hal_srng_access_end(ab, tcl_ring);
248 		ab->soc_stats.tx_err.desc_na[ti.ring_id]++;
249 		spin_unlock_bh(&tcl_ring->lock);
250 		ret = -ENOMEM;
251 
252 		/* Checking for available tcl descritors in another ring in
253 		 * case of failure due to full tcl ring now, is better than
254 		 * checking this ring earlier for each pkt tx.
255 		 * Restart ring selection if some rings are not checked yet.
256 		 */
257 		if (unlikely(ring_map != (BIT(ab->hw_params.max_tx_ring)) - 1) &&
258 		    ab->hw_params.max_tx_ring > 1) {
259 			tcl_ring_retry = true;
260 			ring_selector++;
261 		}
262 
263 		goto fail_unmap_dma;
264 	}
265 
266 	ath11k_hal_tx_cmd_desc_setup(ab, hal_tcl_desc +
267 					 sizeof(struct hal_tlv_hdr), &ti);
268 
269 	ath11k_hal_srng_access_end(ab, tcl_ring);
270 
271 	ath11k_dp_shadow_start_timer(ab, tcl_ring, &dp->tx_ring_timer[ti.ring_id]);
272 
273 	spin_unlock_bh(&tcl_ring->lock);
274 
275 	ath11k_dbg_dump(ab, ATH11K_DBG_DP_TX, NULL, "dp tx msdu: ",
276 			skb->data, skb->len);
277 
278 	atomic_inc(&ar->dp.num_tx_pending);
279 
280 	return 0;
281 
282 fail_unmap_dma:
283 	dma_unmap_single(ab->dev, ti.paddr, ti.data_len, DMA_TO_DEVICE);
284 
285 fail_remove_idr:
286 	spin_lock_bh(&tx_ring->tx_idr_lock);
287 	idr_remove(&tx_ring->txbuf_idr,
288 		   FIELD_GET(DP_TX_DESC_ID_MSDU_ID, ti.desc_id));
289 	spin_unlock_bh(&tx_ring->tx_idr_lock);
290 
291 	if (tcl_ring_retry)
292 		goto tcl_ring_sel;
293 
294 	return ret;
295 }
296 
297 static void ath11k_dp_tx_free_txbuf(struct ath11k_base *ab, u8 mac_id,
298 				    int msdu_id,
299 				    struct dp_tx_ring *tx_ring)
300 {
301 	struct ath11k *ar;
302 	struct sk_buff *msdu;
303 	struct ath11k_skb_cb *skb_cb;
304 
305 	spin_lock(&tx_ring->tx_idr_lock);
306 	msdu = idr_remove(&tx_ring->txbuf_idr, msdu_id);
307 	spin_unlock(&tx_ring->tx_idr_lock);
308 
309 	if (unlikely(!msdu)) {
310 		ath11k_warn(ab, "tx completion for unknown msdu_id %d\n",
311 			    msdu_id);
312 		return;
313 	}
314 
315 	skb_cb = ATH11K_SKB_CB(msdu);
316 
317 	dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
318 	dev_kfree_skb_any(msdu);
319 
320 	ar = ab->pdevs[mac_id].ar;
321 	if (atomic_dec_and_test(&ar->dp.num_tx_pending))
322 		wake_up(&ar->dp.tx_empty_waitq);
323 }
324 
325 static void
326 ath11k_dp_tx_htt_tx_complete_buf(struct ath11k_base *ab,
327 				 struct dp_tx_ring *tx_ring,
328 				 struct ath11k_dp_htt_wbm_tx_status *ts)
329 {
330 	struct sk_buff *msdu;
331 	struct ieee80211_tx_info *info;
332 	struct ath11k_skb_cb *skb_cb;
333 	struct ath11k *ar;
334 
335 	spin_lock(&tx_ring->tx_idr_lock);
336 	msdu = idr_remove(&tx_ring->txbuf_idr, ts->msdu_id);
337 	spin_unlock(&tx_ring->tx_idr_lock);
338 
339 	if (unlikely(!msdu)) {
340 		ath11k_warn(ab, "htt tx completion for unknown msdu_id %d\n",
341 			    ts->msdu_id);
342 		return;
343 	}
344 
345 	skb_cb = ATH11K_SKB_CB(msdu);
346 	info = IEEE80211_SKB_CB(msdu);
347 
348 	ar = skb_cb->ar;
349 
350 	if (atomic_dec_and_test(&ar->dp.num_tx_pending))
351 		wake_up(&ar->dp.tx_empty_waitq);
352 
353 	dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
354 
355 	memset(&info->status, 0, sizeof(info->status));
356 
357 	if (ts->acked) {
358 		if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) {
359 			info->flags |= IEEE80211_TX_STAT_ACK;
360 			info->status.ack_signal = ATH11K_DEFAULT_NOISE_FLOOR +
361 						  ts->ack_rssi;
362 			info->status.is_valid_ack_signal = true;
363 		} else {
364 			info->flags |= IEEE80211_TX_STAT_NOACK_TRANSMITTED;
365 		}
366 	}
367 
368 	ieee80211_tx_status(ar->hw, msdu);
369 }
370 
371 static void
372 ath11k_dp_tx_process_htt_tx_complete(struct ath11k_base *ab,
373 #if defined(__linux__)
374 				     void *desc, u8 mac_id,
375 #elif defined(__FreeBSD__)
376 				     u8 *desc, u8 mac_id,
377 #endif
378 				     u32 msdu_id, struct dp_tx_ring *tx_ring)
379 {
380 	struct htt_tx_wbm_completion *status_desc;
381 	struct ath11k_dp_htt_wbm_tx_status ts = {0};
382 	enum hal_wbm_htt_tx_comp_status wbm_status;
383 
384 	status_desc = (void *)(desc + HTT_TX_WBM_COMP_STATUS_OFFSET);
385 
386 	wbm_status = FIELD_GET(HTT_TX_WBM_COMP_INFO0_STATUS,
387 			       status_desc->info0);
388 	switch (wbm_status) {
389 	case HAL_WBM_REL_HTT_TX_COMP_STATUS_OK:
390 	case HAL_WBM_REL_HTT_TX_COMP_STATUS_DROP:
391 	case HAL_WBM_REL_HTT_TX_COMP_STATUS_TTL:
392 		ts.acked = (wbm_status == HAL_WBM_REL_HTT_TX_COMP_STATUS_OK);
393 		ts.msdu_id = msdu_id;
394 		ts.ack_rssi = FIELD_GET(HTT_TX_WBM_COMP_INFO1_ACK_RSSI,
395 					status_desc->info1);
396 		ath11k_dp_tx_htt_tx_complete_buf(ab, tx_ring, &ts);
397 		break;
398 	case HAL_WBM_REL_HTT_TX_COMP_STATUS_REINJ:
399 	case HAL_WBM_REL_HTT_TX_COMP_STATUS_INSPECT:
400 		ath11k_dp_tx_free_txbuf(ab, mac_id, msdu_id, tx_ring);
401 		break;
402 	case HAL_WBM_REL_HTT_TX_COMP_STATUS_MEC_NOTIFY:
403 		/* This event is to be handled only when the driver decides to
404 		 * use WDS offload functionality.
405 		 */
406 		break;
407 	default:
408 		ath11k_warn(ab, "Unknown htt tx status %d\n", wbm_status);
409 		break;
410 	}
411 }
412 
413 static void ath11k_dp_tx_cache_peer_stats(struct ath11k *ar,
414 					  struct sk_buff *msdu,
415 					  struct hal_tx_status *ts)
416 {
417 	struct ath11k_per_peer_tx_stats *peer_stats = &ar->cached_stats;
418 
419 	if (ts->try_cnt > 1) {
420 		peer_stats->retry_pkts += ts->try_cnt - 1;
421 		peer_stats->retry_bytes += (ts->try_cnt - 1) * msdu->len;
422 
423 		if (ts->status != HAL_WBM_TQM_REL_REASON_FRAME_ACKED) {
424 			peer_stats->failed_pkts += 1;
425 			peer_stats->failed_bytes += msdu->len;
426 		}
427 	}
428 }
429 
430 void ath11k_dp_tx_update_txcompl(struct ath11k *ar, struct hal_tx_status *ts)
431 {
432 	struct ath11k_base *ab = ar->ab;
433 	struct ath11k_per_peer_tx_stats *peer_stats = &ar->cached_stats;
434 	enum hal_tx_rate_stats_pkt_type pkt_type;
435 	enum hal_tx_rate_stats_sgi sgi;
436 	enum hal_tx_rate_stats_bw bw;
437 	struct ath11k_peer *peer;
438 	struct ath11k_sta *arsta;
439 	struct ieee80211_sta *sta;
440 	u16 rate, ru_tones;
441 	u8 mcs, rate_idx, ofdma;
442 	int ret;
443 
444 	spin_lock_bh(&ab->base_lock);
445 	peer = ath11k_peer_find_by_id(ab, ts->peer_id);
446 	if (!peer || !peer->sta) {
447 		ath11k_dbg(ab, ATH11K_DBG_DP_TX,
448 			   "failed to find the peer by id %u\n", ts->peer_id);
449 		goto err_out;
450 	}
451 
452 	sta = peer->sta;
453 	arsta = (struct ath11k_sta *)sta->drv_priv;
454 
455 	memset(&arsta->txrate, 0, sizeof(arsta->txrate));
456 	pkt_type = FIELD_GET(HAL_TX_RATE_STATS_INFO0_PKT_TYPE,
457 			     ts->rate_stats);
458 	mcs = FIELD_GET(HAL_TX_RATE_STATS_INFO0_MCS,
459 			ts->rate_stats);
460 	sgi = FIELD_GET(HAL_TX_RATE_STATS_INFO0_SGI,
461 			ts->rate_stats);
462 	bw = FIELD_GET(HAL_TX_RATE_STATS_INFO0_BW, ts->rate_stats);
463 	ru_tones = FIELD_GET(HAL_TX_RATE_STATS_INFO0_TONES_IN_RU, ts->rate_stats);
464 	ofdma = FIELD_GET(HAL_TX_RATE_STATS_INFO0_OFDMA_TX, ts->rate_stats);
465 
466 	/* This is to prefer choose the real NSS value arsta->last_txrate.nss,
467 	 * if it is invalid, then choose the NSS value while assoc.
468 	 */
469 	if (arsta->last_txrate.nss)
470 		arsta->txrate.nss = arsta->last_txrate.nss;
471 	else
472 		arsta->txrate.nss = arsta->peer_nss;
473 
474 	if (pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11A ||
475 	    pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11B) {
476 		ret = ath11k_mac_hw_ratecode_to_legacy_rate(mcs,
477 							    pkt_type,
478 							    &rate_idx,
479 							    &rate);
480 		if (ret < 0)
481 			goto err_out;
482 		arsta->txrate.legacy = rate;
483 	} else if (pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11N) {
484 		if (mcs > 7) {
485 			ath11k_warn(ab, "Invalid HT mcs index %d\n", mcs);
486 			goto err_out;
487 		}
488 
489 		if (arsta->txrate.nss != 0)
490 			arsta->txrate.mcs = mcs + 8 * (arsta->txrate.nss - 1);
491 		arsta->txrate.flags = RATE_INFO_FLAGS_MCS;
492 		if (sgi)
493 			arsta->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
494 	} else if (pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11AC) {
495 		if (mcs > 9) {
496 			ath11k_warn(ab, "Invalid VHT mcs index %d\n", mcs);
497 			goto err_out;
498 		}
499 
500 		arsta->txrate.mcs = mcs;
501 		arsta->txrate.flags = RATE_INFO_FLAGS_VHT_MCS;
502 		if (sgi)
503 			arsta->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
504 	} else if (pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11AX) {
505 		if (mcs > 11) {
506 			ath11k_warn(ab, "Invalid HE mcs index %d\n", mcs);
507 			goto err_out;
508 		}
509 
510 		arsta->txrate.mcs = mcs;
511 		arsta->txrate.flags = RATE_INFO_FLAGS_HE_MCS;
512 		arsta->txrate.he_gi = ath11k_mac_he_gi_to_nl80211_he_gi(sgi);
513 	}
514 
515 	arsta->txrate.bw = ath11k_mac_bw_to_mac80211_bw(bw);
516 	if (ofdma && pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11AX) {
517 		arsta->txrate.bw = RATE_INFO_BW_HE_RU;
518 		arsta->txrate.he_ru_alloc =
519 			ath11k_mac_he_ru_tones_to_nl80211_he_ru_alloc(ru_tones);
520 	}
521 
522 	if (ath11k_debugfs_is_extd_tx_stats_enabled(ar))
523 		ath11k_debugfs_sta_add_tx_stats(arsta, peer_stats, rate_idx);
524 
525 err_out:
526 	spin_unlock_bh(&ab->base_lock);
527 }
528 
529 static void ath11k_dp_tx_complete_msdu(struct ath11k *ar,
530 				       struct sk_buff *msdu,
531 				       struct hal_tx_status *ts)
532 {
533 	struct ath11k_base *ab = ar->ab;
534 	struct ieee80211_tx_info *info;
535 	struct ath11k_skb_cb *skb_cb;
536 
537 	if (WARN_ON_ONCE(ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_TQM)) {
538 		/* Must not happen */
539 		return;
540 	}
541 
542 	skb_cb = ATH11K_SKB_CB(msdu);
543 
544 	dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
545 
546 	if (unlikely(!rcu_access_pointer(ab->pdevs_active[ar->pdev_idx]))) {
547 		dev_kfree_skb_any(msdu);
548 		return;
549 	}
550 
551 	if (unlikely(!skb_cb->vif)) {
552 		dev_kfree_skb_any(msdu);
553 		return;
554 	}
555 
556 	info = IEEE80211_SKB_CB(msdu);
557 	memset(&info->status, 0, sizeof(info->status));
558 
559 	/* skip tx rate update from ieee80211_status*/
560 	info->status.rates[0].idx = -1;
561 
562 	if (ts->status == HAL_WBM_TQM_REL_REASON_FRAME_ACKED &&
563 	    !(info->flags & IEEE80211_TX_CTL_NO_ACK)) {
564 		info->flags |= IEEE80211_TX_STAT_ACK;
565 		info->status.ack_signal = ATH11K_DEFAULT_NOISE_FLOOR +
566 					  ts->ack_rssi;
567 		info->status.is_valid_ack_signal = true;
568 	}
569 
570 	if (ts->status == HAL_WBM_TQM_REL_REASON_CMD_REMOVE_TX &&
571 	    (info->flags & IEEE80211_TX_CTL_NO_ACK))
572 		info->flags |= IEEE80211_TX_STAT_NOACK_TRANSMITTED;
573 
574 	if (unlikely(ath11k_debugfs_is_extd_tx_stats_enabled(ar)) ||
575 	    ab->hw_params.single_pdev_only) {
576 		if (ts->flags & HAL_TX_STATUS_FLAGS_FIRST_MSDU) {
577 			if (ar->last_ppdu_id == 0) {
578 				ar->last_ppdu_id = ts->ppdu_id;
579 			} else if (ar->last_ppdu_id == ts->ppdu_id ||
580 				   ar->cached_ppdu_id == ar->last_ppdu_id) {
581 				ar->cached_ppdu_id = ar->last_ppdu_id;
582 				ar->cached_stats.is_ampdu = true;
583 				ath11k_dp_tx_update_txcompl(ar, ts);
584 				memset(&ar->cached_stats, 0,
585 				       sizeof(struct ath11k_per_peer_tx_stats));
586 			} else {
587 				ar->cached_stats.is_ampdu = false;
588 				ath11k_dp_tx_update_txcompl(ar, ts);
589 				memset(&ar->cached_stats, 0,
590 				       sizeof(struct ath11k_per_peer_tx_stats));
591 			}
592 			ar->last_ppdu_id = ts->ppdu_id;
593 		}
594 
595 		ath11k_dp_tx_cache_peer_stats(ar, msdu, ts);
596 	}
597 
598 	/* NOTE: Tx rate status reporting. Tx completion status does not have
599 	 * necessary information (for example nss) to build the tx rate.
600 	 * Might end up reporting it out-of-band from HTT stats.
601 	 */
602 
603 	ieee80211_tx_status(ar->hw, msdu);
604 }
605 
606 static inline void ath11k_dp_tx_status_parse(struct ath11k_base *ab,
607 					     struct hal_wbm_release_ring *desc,
608 					     struct hal_tx_status *ts)
609 {
610 	ts->buf_rel_source =
611 		FIELD_GET(HAL_WBM_RELEASE_INFO0_REL_SRC_MODULE, desc->info0);
612 	if (unlikely(ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_FW &&
613 		     ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_TQM))
614 		return;
615 
616 	if (unlikely(ts->buf_rel_source == HAL_WBM_REL_SRC_MODULE_FW))
617 		return;
618 
619 	ts->status = FIELD_GET(HAL_WBM_RELEASE_INFO0_TQM_RELEASE_REASON,
620 			       desc->info0);
621 	ts->ppdu_id = FIELD_GET(HAL_WBM_RELEASE_INFO1_TQM_STATUS_NUMBER,
622 				desc->info1);
623 	ts->try_cnt = FIELD_GET(HAL_WBM_RELEASE_INFO1_TRANSMIT_COUNT,
624 				desc->info1);
625 	ts->ack_rssi = FIELD_GET(HAL_WBM_RELEASE_INFO2_ACK_FRAME_RSSI,
626 				 desc->info2);
627 	if (desc->info2 & HAL_WBM_RELEASE_INFO2_FIRST_MSDU)
628 		ts->flags |= HAL_TX_STATUS_FLAGS_FIRST_MSDU;
629 	ts->peer_id = FIELD_GET(HAL_WBM_RELEASE_INFO3_PEER_ID, desc->info3);
630 	ts->tid = FIELD_GET(HAL_WBM_RELEASE_INFO3_TID, desc->info3);
631 	if (desc->rate_stats.info0 & HAL_TX_RATE_STATS_INFO0_VALID)
632 		ts->rate_stats = desc->rate_stats.info0;
633 	else
634 		ts->rate_stats = 0;
635 }
636 
637 void ath11k_dp_tx_completion_handler(struct ath11k_base *ab, int ring_id)
638 {
639 	struct ath11k *ar;
640 	struct ath11k_dp *dp = &ab->dp;
641 	int hal_ring_id = dp->tx_ring[ring_id].tcl_comp_ring.ring_id;
642 	struct hal_srng *status_ring = &ab->hal.srng_list[hal_ring_id];
643 	struct sk_buff *msdu;
644 	struct hal_tx_status ts = { 0 };
645 	struct dp_tx_ring *tx_ring = &dp->tx_ring[ring_id];
646 	u32 *desc;
647 	u32 msdu_id;
648 	u8 mac_id;
649 
650 	spin_lock_bh(&status_ring->lock);
651 
652 	ath11k_hal_srng_access_begin(ab, status_ring);
653 
654 	while ((ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_head) !=
655 		tx_ring->tx_status_tail) &&
656 	       (desc = ath11k_hal_srng_dst_get_next_entry(ab, status_ring))) {
657 		memcpy(&tx_ring->tx_status[tx_ring->tx_status_head],
658 		       desc, sizeof(struct hal_wbm_release_ring));
659 		tx_ring->tx_status_head =
660 			ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_head);
661 	}
662 
663 	if (unlikely((ath11k_hal_srng_dst_peek(ab, status_ring) != NULL) &&
664 		     (ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_head) ==
665 		      tx_ring->tx_status_tail))) {
666 		/* TODO: Process pending tx_status messages when kfifo_is_full() */
667 		ath11k_warn(ab, "Unable to process some of the tx_status ring desc because status_fifo is full\n");
668 	}
669 
670 	ath11k_hal_srng_access_end(ab, status_ring);
671 
672 	spin_unlock_bh(&status_ring->lock);
673 
674 	while (ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_tail) != tx_ring->tx_status_head) {
675 		struct hal_wbm_release_ring *tx_status;
676 		u32 desc_id;
677 
678 		tx_ring->tx_status_tail =
679 			ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_tail);
680 		tx_status = &tx_ring->tx_status[tx_ring->tx_status_tail];
681 		ath11k_dp_tx_status_parse(ab, tx_status, &ts);
682 
683 		desc_id = FIELD_GET(BUFFER_ADDR_INFO1_SW_COOKIE,
684 				    tx_status->buf_addr_info.info1);
685 		mac_id = FIELD_GET(DP_TX_DESC_ID_MAC_ID, desc_id);
686 		msdu_id = FIELD_GET(DP_TX_DESC_ID_MSDU_ID, desc_id);
687 
688 		if (unlikely(ts.buf_rel_source == HAL_WBM_REL_SRC_MODULE_FW)) {
689 			ath11k_dp_tx_process_htt_tx_complete(ab,
690 							     (void *)tx_status,
691 							     mac_id, msdu_id,
692 							     tx_ring);
693 			continue;
694 		}
695 
696 		spin_lock(&tx_ring->tx_idr_lock);
697 		msdu = idr_remove(&tx_ring->txbuf_idr, msdu_id);
698 		if (unlikely(!msdu)) {
699 			ath11k_warn(ab, "tx completion for unknown msdu_id %d\n",
700 				    msdu_id);
701 			spin_unlock(&tx_ring->tx_idr_lock);
702 			continue;
703 		}
704 
705 		spin_unlock(&tx_ring->tx_idr_lock);
706 
707 		ar = ab->pdevs[mac_id].ar;
708 
709 		if (atomic_dec_and_test(&ar->dp.num_tx_pending))
710 			wake_up(&ar->dp.tx_empty_waitq);
711 
712 		ath11k_dp_tx_complete_msdu(ar, msdu, &ts);
713 	}
714 }
715 
716 int ath11k_dp_tx_send_reo_cmd(struct ath11k_base *ab, struct dp_rx_tid *rx_tid,
717 			      enum hal_reo_cmd_type type,
718 			      struct ath11k_hal_reo_cmd *cmd,
719 			      void (*cb)(struct ath11k_dp *, void *,
720 					 enum hal_reo_cmd_status))
721 {
722 	struct ath11k_dp *dp = &ab->dp;
723 	struct dp_reo_cmd *dp_cmd;
724 	struct hal_srng *cmd_ring;
725 	int cmd_num;
726 
727 	if (test_bit(ATH11K_FLAG_CRASH_FLUSH, &ab->dev_flags))
728 		return -ESHUTDOWN;
729 
730 	cmd_ring = &ab->hal.srng_list[dp->reo_cmd_ring.ring_id];
731 	cmd_num = ath11k_hal_reo_cmd_send(ab, cmd_ring, type, cmd);
732 
733 	/* cmd_num should start from 1, during failure return the error code */
734 	if (cmd_num < 0)
735 		return cmd_num;
736 
737 	/* reo cmd ring descriptors has cmd_num starting from 1 */
738 	if (cmd_num == 0)
739 		return -EINVAL;
740 
741 	if (!cb)
742 		return 0;
743 
744 	/* Can this be optimized so that we keep the pending command list only
745 	 * for tid delete command to free up the resoruce on the command status
746 	 * indication?
747 	 */
748 	dp_cmd = kzalloc(sizeof(*dp_cmd), GFP_ATOMIC);
749 
750 	if (!dp_cmd)
751 		return -ENOMEM;
752 
753 	memcpy(&dp_cmd->data, rx_tid, sizeof(struct dp_rx_tid));
754 	dp_cmd->cmd_num = cmd_num;
755 	dp_cmd->handler = cb;
756 
757 	spin_lock_bh(&dp->reo_cmd_lock);
758 	list_add_tail(&dp_cmd->list, &dp->reo_cmd_list);
759 	spin_unlock_bh(&dp->reo_cmd_lock);
760 
761 	return 0;
762 }
763 
764 static int
765 ath11k_dp_tx_get_ring_id_type(struct ath11k_base *ab,
766 			      int mac_id, u32 ring_id,
767 			      enum hal_ring_type ring_type,
768 			      enum htt_srng_ring_type *htt_ring_type,
769 			      enum htt_srng_ring_id *htt_ring_id)
770 {
771 	int lmac_ring_id_offset = 0;
772 	int ret = 0;
773 
774 	switch (ring_type) {
775 	case HAL_RXDMA_BUF:
776 		lmac_ring_id_offset = mac_id * HAL_SRNG_RINGS_PER_LMAC;
777 
778 		/* for QCA6390, host fills rx buffer to fw and fw fills to
779 		 * rxbuf ring for each rxdma
780 		 */
781 		if (!ab->hw_params.rx_mac_buf_ring) {
782 			if (!(ring_id == (HAL_SRNG_RING_ID_WMAC1_SW2RXDMA0_BUF +
783 					  lmac_ring_id_offset) ||
784 				ring_id == (HAL_SRNG_RING_ID_WMAC1_SW2RXDMA1_BUF +
785 					lmac_ring_id_offset))) {
786 				ret = -EINVAL;
787 			}
788 			*htt_ring_id = HTT_RXDMA_HOST_BUF_RING;
789 			*htt_ring_type = HTT_SW_TO_HW_RING;
790 		} else {
791 			if (ring_id == HAL_SRNG_RING_ID_WMAC1_SW2RXDMA0_BUF) {
792 				*htt_ring_id = HTT_HOST1_TO_FW_RXBUF_RING;
793 				*htt_ring_type = HTT_SW_TO_SW_RING;
794 			} else {
795 				*htt_ring_id = HTT_RXDMA_HOST_BUF_RING;
796 				*htt_ring_type = HTT_SW_TO_HW_RING;
797 			}
798 		}
799 		break;
800 	case HAL_RXDMA_DST:
801 		*htt_ring_id = HTT_RXDMA_NON_MONITOR_DEST_RING;
802 		*htt_ring_type = HTT_HW_TO_SW_RING;
803 		break;
804 	case HAL_RXDMA_MONITOR_BUF:
805 		*htt_ring_id = HTT_RXDMA_MONITOR_BUF_RING;
806 		*htt_ring_type = HTT_SW_TO_HW_RING;
807 		break;
808 	case HAL_RXDMA_MONITOR_STATUS:
809 		*htt_ring_id = HTT_RXDMA_MONITOR_STATUS_RING;
810 		*htt_ring_type = HTT_SW_TO_HW_RING;
811 		break;
812 	case HAL_RXDMA_MONITOR_DST:
813 		*htt_ring_id = HTT_RXDMA_MONITOR_DEST_RING;
814 		*htt_ring_type = HTT_HW_TO_SW_RING;
815 		break;
816 	case HAL_RXDMA_MONITOR_DESC:
817 		*htt_ring_id = HTT_RXDMA_MONITOR_DESC_RING;
818 		*htt_ring_type = HTT_SW_TO_HW_RING;
819 		break;
820 	default:
821 		ath11k_warn(ab, "Unsupported ring type in DP :%d\n", ring_type);
822 		ret = -EINVAL;
823 	}
824 	return ret;
825 }
826 
827 int ath11k_dp_tx_htt_srng_setup(struct ath11k_base *ab, u32 ring_id,
828 				int mac_id, enum hal_ring_type ring_type)
829 {
830 	struct htt_srng_setup_cmd *cmd;
831 	struct hal_srng *srng = &ab->hal.srng_list[ring_id];
832 	struct hal_srng_params params;
833 	struct sk_buff *skb;
834 	u32 ring_entry_sz;
835 	int len = sizeof(*cmd);
836 	dma_addr_t hp_addr, tp_addr;
837 	enum htt_srng_ring_type htt_ring_type;
838 	enum htt_srng_ring_id htt_ring_id;
839 	int ret;
840 
841 	skb = ath11k_htc_alloc_skb(ab, len);
842 	if (!skb)
843 		return -ENOMEM;
844 
845 	memset(&params, 0, sizeof(params));
846 	ath11k_hal_srng_get_params(ab, srng, &params);
847 
848 	hp_addr = ath11k_hal_srng_get_hp_addr(ab, srng);
849 	tp_addr = ath11k_hal_srng_get_tp_addr(ab, srng);
850 
851 	ret = ath11k_dp_tx_get_ring_id_type(ab, mac_id, ring_id,
852 					    ring_type, &htt_ring_type,
853 					    &htt_ring_id);
854 	if (ret)
855 		goto err_free;
856 
857 	skb_put(skb, len);
858 	cmd = (struct htt_srng_setup_cmd *)skb->data;
859 	cmd->info0 = FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_MSG_TYPE,
860 				HTT_H2T_MSG_TYPE_SRING_SETUP);
861 	if (htt_ring_type == HTT_SW_TO_HW_RING ||
862 	    htt_ring_type == HTT_HW_TO_SW_RING)
863 		cmd->info0 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_PDEV_ID,
864 					 DP_SW2HW_MACID(mac_id));
865 	else
866 		cmd->info0 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_PDEV_ID,
867 					 mac_id);
868 	cmd->info0 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_RING_TYPE,
869 				 htt_ring_type);
870 	cmd->info0 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_RING_ID, htt_ring_id);
871 
872 	cmd->ring_base_addr_lo = params.ring_base_paddr &
873 				 HAL_ADDR_LSB_REG_MASK;
874 
875 	cmd->ring_base_addr_hi = (u64)params.ring_base_paddr >>
876 				 HAL_ADDR_MSB_REG_SHIFT;
877 
878 	ret = ath11k_hal_srng_get_entrysize(ab, ring_type);
879 	if (ret < 0)
880 		goto err_free;
881 
882 	ring_entry_sz = ret;
883 
884 	ring_entry_sz >>= 2;
885 	cmd->info1 = FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO1_RING_ENTRY_SIZE,
886 				ring_entry_sz);
887 	cmd->info1 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO1_RING_SIZE,
888 				 params.num_entries * ring_entry_sz);
889 	cmd->info1 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO1_RING_FLAGS_MSI_SWAP,
890 				 !!(params.flags & HAL_SRNG_FLAGS_MSI_SWAP));
891 	cmd->info1 |= FIELD_PREP(
892 			HTT_SRNG_SETUP_CMD_INFO1_RING_FLAGS_TLV_SWAP,
893 			!!(params.flags & HAL_SRNG_FLAGS_DATA_TLV_SWAP));
894 	cmd->info1 |= FIELD_PREP(
895 			HTT_SRNG_SETUP_CMD_INFO1_RING_FLAGS_HOST_FW_SWAP,
896 			!!(params.flags & HAL_SRNG_FLAGS_RING_PTR_SWAP));
897 	if (htt_ring_type == HTT_SW_TO_HW_RING)
898 		cmd->info1 |= HTT_SRNG_SETUP_CMD_INFO1_RING_LOOP_CNT_DIS;
899 
900 	cmd->ring_head_off32_remote_addr_lo = hp_addr & HAL_ADDR_LSB_REG_MASK;
901 	cmd->ring_head_off32_remote_addr_hi = (u64)hp_addr >>
902 					      HAL_ADDR_MSB_REG_SHIFT;
903 
904 	cmd->ring_tail_off32_remote_addr_lo = tp_addr & HAL_ADDR_LSB_REG_MASK;
905 	cmd->ring_tail_off32_remote_addr_hi = (u64)tp_addr >>
906 					      HAL_ADDR_MSB_REG_SHIFT;
907 
908 	cmd->ring_msi_addr_lo = lower_32_bits(params.msi_addr);
909 	cmd->ring_msi_addr_hi = upper_32_bits(params.msi_addr);
910 	cmd->msi_data = params.msi_data;
911 
912 	cmd->intr_info = FIELD_PREP(
913 			HTT_SRNG_SETUP_CMD_INTR_INFO_BATCH_COUNTER_THRESH,
914 			params.intr_batch_cntr_thres_entries * ring_entry_sz);
915 	cmd->intr_info |= FIELD_PREP(
916 			HTT_SRNG_SETUP_CMD_INTR_INFO_INTR_TIMER_THRESH,
917 			params.intr_timer_thres_us >> 3);
918 
919 	cmd->info2 = 0;
920 	if (params.flags & HAL_SRNG_FLAGS_LOW_THRESH_INTR_EN) {
921 		cmd->info2 = FIELD_PREP(
922 				HTT_SRNG_SETUP_CMD_INFO2_INTR_LOW_THRESH,
923 				params.low_threshold);
924 	}
925 
926 	ath11k_dbg(ab, ATH11k_DBG_HAL,
927 		   "%s msi_addr_lo:0x%x, msi_addr_hi:0x%x, msi_data:0x%x\n",
928 		   __func__, cmd->ring_msi_addr_lo, cmd->ring_msi_addr_hi,
929 		   cmd->msi_data);
930 
931 	ath11k_dbg(ab, ATH11k_DBG_HAL,
932 		   "ring_id:%d, ring_type:%d, intr_info:0x%x, flags:0x%x\n",
933 		   ring_id, ring_type, cmd->intr_info, cmd->info2);
934 
935 	ret = ath11k_htc_send(&ab->htc, ab->dp.eid, skb);
936 	if (ret)
937 		goto err_free;
938 
939 	return 0;
940 
941 err_free:
942 	dev_kfree_skb_any(skb);
943 
944 	return ret;
945 }
946 
947 #define HTT_TARGET_VERSION_TIMEOUT_HZ (3 * HZ)
948 
949 int ath11k_dp_tx_htt_h2t_ver_req_msg(struct ath11k_base *ab)
950 {
951 	struct ath11k_dp *dp = &ab->dp;
952 	struct sk_buff *skb;
953 	struct htt_ver_req_cmd *cmd;
954 	int len = sizeof(*cmd);
955 	int ret;
956 
957 	init_completion(&dp->htt_tgt_version_received);
958 
959 	skb = ath11k_htc_alloc_skb(ab, len);
960 	if (!skb)
961 		return -ENOMEM;
962 
963 	skb_put(skb, len);
964 	cmd = (struct htt_ver_req_cmd *)skb->data;
965 	cmd->ver_reg_info = FIELD_PREP(HTT_VER_REQ_INFO_MSG_ID,
966 				       HTT_H2T_MSG_TYPE_VERSION_REQ);
967 
968 	ret = ath11k_htc_send(&ab->htc, dp->eid, skb);
969 	if (ret) {
970 		dev_kfree_skb_any(skb);
971 		return ret;
972 	}
973 
974 	ret = wait_for_completion_timeout(&dp->htt_tgt_version_received,
975 					  HTT_TARGET_VERSION_TIMEOUT_HZ);
976 	if (ret == 0) {
977 		ath11k_warn(ab, "htt target version request timed out\n");
978 		return -ETIMEDOUT;
979 	}
980 
981 	if (dp->htt_tgt_ver_major != HTT_TARGET_VERSION_MAJOR) {
982 		ath11k_err(ab, "unsupported htt major version %d supported version is %d\n",
983 			   dp->htt_tgt_ver_major, HTT_TARGET_VERSION_MAJOR);
984 		return -ENOTSUPP;
985 	}
986 
987 	return 0;
988 }
989 
990 int ath11k_dp_tx_htt_h2t_ppdu_stats_req(struct ath11k *ar, u32 mask)
991 {
992 	struct ath11k_base *ab = ar->ab;
993 	struct ath11k_dp *dp = &ab->dp;
994 	struct sk_buff *skb;
995 	struct htt_ppdu_stats_cfg_cmd *cmd;
996 	int len = sizeof(*cmd);
997 	u8 pdev_mask;
998 	int ret;
999 	int i;
1000 
1001 	for (i = 0; i < ab->hw_params.num_rxmda_per_pdev; i++) {
1002 		skb = ath11k_htc_alloc_skb(ab, len);
1003 		if (!skb)
1004 			return -ENOMEM;
1005 
1006 		skb_put(skb, len);
1007 		cmd = (struct htt_ppdu_stats_cfg_cmd *)skb->data;
1008 		cmd->msg = FIELD_PREP(HTT_PPDU_STATS_CFG_MSG_TYPE,
1009 				      HTT_H2T_MSG_TYPE_PPDU_STATS_CFG);
1010 
1011 		pdev_mask = 1 << (ar->pdev_idx + i);
1012 		cmd->msg |= FIELD_PREP(HTT_PPDU_STATS_CFG_PDEV_ID, pdev_mask);
1013 		cmd->msg |= FIELD_PREP(HTT_PPDU_STATS_CFG_TLV_TYPE_BITMASK, mask);
1014 
1015 		ret = ath11k_htc_send(&ab->htc, dp->eid, skb);
1016 		if (ret) {
1017 			dev_kfree_skb_any(skb);
1018 			return ret;
1019 		}
1020 	}
1021 
1022 	return 0;
1023 }
1024 
1025 int ath11k_dp_tx_htt_rx_filter_setup(struct ath11k_base *ab, u32 ring_id,
1026 				     int mac_id, enum hal_ring_type ring_type,
1027 				     int rx_buf_size,
1028 				     struct htt_rx_ring_tlv_filter *tlv_filter)
1029 {
1030 	struct htt_rx_ring_selection_cfg_cmd *cmd;
1031 	struct hal_srng *srng = &ab->hal.srng_list[ring_id];
1032 	struct hal_srng_params params;
1033 	struct sk_buff *skb;
1034 	int len = sizeof(*cmd);
1035 	enum htt_srng_ring_type htt_ring_type;
1036 	enum htt_srng_ring_id htt_ring_id;
1037 	int ret;
1038 
1039 	skb = ath11k_htc_alloc_skb(ab, len);
1040 	if (!skb)
1041 		return -ENOMEM;
1042 
1043 	memset(&params, 0, sizeof(params));
1044 	ath11k_hal_srng_get_params(ab, srng, &params);
1045 
1046 	ret = ath11k_dp_tx_get_ring_id_type(ab, mac_id, ring_id,
1047 					    ring_type, &htt_ring_type,
1048 					    &htt_ring_id);
1049 	if (ret)
1050 		goto err_free;
1051 
1052 	skb_put(skb, len);
1053 	cmd = (struct htt_rx_ring_selection_cfg_cmd *)skb->data;
1054 	cmd->info0 = FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_MSG_TYPE,
1055 				HTT_H2T_MSG_TYPE_RX_RING_SELECTION_CFG);
1056 	if (htt_ring_type == HTT_SW_TO_HW_RING ||
1057 	    htt_ring_type == HTT_HW_TO_SW_RING)
1058 		cmd->info0 |=
1059 			FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_PDEV_ID,
1060 				   DP_SW2HW_MACID(mac_id));
1061 	else
1062 		cmd->info0 |=
1063 			FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_PDEV_ID,
1064 				   mac_id);
1065 	cmd->info0 |= FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_RING_ID,
1066 				 htt_ring_id);
1067 	cmd->info0 |= FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_SS,
1068 				 !!(params.flags & HAL_SRNG_FLAGS_MSI_SWAP));
1069 	cmd->info0 |= FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_PS,
1070 				 !!(params.flags & HAL_SRNG_FLAGS_DATA_TLV_SWAP));
1071 
1072 	cmd->info1 = FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO1_BUF_SIZE,
1073 				rx_buf_size);
1074 	cmd->pkt_type_en_flags0 = tlv_filter->pkt_filter_flags0;
1075 	cmd->pkt_type_en_flags1 = tlv_filter->pkt_filter_flags1;
1076 	cmd->pkt_type_en_flags2 = tlv_filter->pkt_filter_flags2;
1077 	cmd->pkt_type_en_flags3 = tlv_filter->pkt_filter_flags3;
1078 	cmd->rx_filter_tlv = tlv_filter->rx_filter;
1079 
1080 	ret = ath11k_htc_send(&ab->htc, ab->dp.eid, skb);
1081 	if (ret)
1082 		goto err_free;
1083 
1084 	return 0;
1085 
1086 err_free:
1087 	dev_kfree_skb_any(skb);
1088 
1089 	return ret;
1090 }
1091 
1092 int
1093 ath11k_dp_tx_htt_h2t_ext_stats_req(struct ath11k *ar, u8 type,
1094 				   struct htt_ext_stats_cfg_params *cfg_params,
1095 				   u64 cookie)
1096 {
1097 	struct ath11k_base *ab = ar->ab;
1098 	struct ath11k_dp *dp = &ab->dp;
1099 	struct sk_buff *skb;
1100 	struct htt_ext_stats_cfg_cmd *cmd;
1101 	u32 pdev_id;
1102 	int len = sizeof(*cmd);
1103 	int ret;
1104 
1105 	skb = ath11k_htc_alloc_skb(ab, len);
1106 	if (!skb)
1107 		return -ENOMEM;
1108 
1109 	skb_put(skb, len);
1110 
1111 	cmd = (struct htt_ext_stats_cfg_cmd *)skb->data;
1112 	memset(cmd, 0, sizeof(*cmd));
1113 	cmd->hdr.msg_type = HTT_H2T_MSG_TYPE_EXT_STATS_CFG;
1114 
1115 	if (ab->hw_params.single_pdev_only)
1116 		pdev_id = ath11k_mac_get_target_pdev_id(ar);
1117 	else
1118 		pdev_id = ar->pdev->pdev_id;
1119 
1120 	cmd->hdr.pdev_mask = 1 << pdev_id;
1121 
1122 	cmd->hdr.stats_type = type;
1123 	cmd->cfg_param0 = cfg_params->cfg0;
1124 	cmd->cfg_param1 = cfg_params->cfg1;
1125 	cmd->cfg_param2 = cfg_params->cfg2;
1126 	cmd->cfg_param3 = cfg_params->cfg3;
1127 	cmd->cookie_lsb = lower_32_bits(cookie);
1128 	cmd->cookie_msb = upper_32_bits(cookie);
1129 
1130 	ret = ath11k_htc_send(&ab->htc, dp->eid, skb);
1131 	if (ret) {
1132 		ath11k_warn(ab, "failed to send htt type stats request: %d",
1133 			    ret);
1134 		dev_kfree_skb_any(skb);
1135 		return ret;
1136 	}
1137 
1138 	return 0;
1139 }
1140 
1141 int ath11k_dp_tx_htt_monitor_mode_ring_config(struct ath11k *ar, bool reset)
1142 {
1143 	struct ath11k_pdev_dp *dp = &ar->dp;
1144 	struct ath11k_base *ab = ar->ab;
1145 	struct htt_rx_ring_tlv_filter tlv_filter = {0};
1146 	int ret = 0, ring_id = 0, i;
1147 
1148 	if (ab->hw_params.full_monitor_mode) {
1149 		ret = ath11k_dp_tx_htt_rx_full_mon_setup(ab,
1150 							 dp->mac_id, !reset);
1151 		if (ret < 0) {
1152 			ath11k_err(ab, "failed to setup full monitor %d\n", ret);
1153 			return ret;
1154 		}
1155 	}
1156 
1157 	ring_id = dp->rxdma_mon_buf_ring.refill_buf_ring.ring_id;
1158 
1159 	if (!reset) {
1160 		tlv_filter.rx_filter = HTT_RX_MON_FILTER_TLV_FLAGS_MON_BUF_RING;
1161 		tlv_filter.pkt_filter_flags0 =
1162 					HTT_RX_MON_FP_MGMT_FILTER_FLAGS0 |
1163 					HTT_RX_MON_MO_MGMT_FILTER_FLAGS0;
1164 		tlv_filter.pkt_filter_flags1 =
1165 					HTT_RX_MON_FP_MGMT_FILTER_FLAGS1 |
1166 					HTT_RX_MON_MO_MGMT_FILTER_FLAGS1;
1167 		tlv_filter.pkt_filter_flags2 =
1168 					HTT_RX_MON_FP_CTRL_FILTER_FLASG2 |
1169 					HTT_RX_MON_MO_CTRL_FILTER_FLASG2;
1170 		tlv_filter.pkt_filter_flags3 =
1171 					HTT_RX_MON_FP_CTRL_FILTER_FLASG3 |
1172 					HTT_RX_MON_MO_CTRL_FILTER_FLASG3 |
1173 					HTT_RX_MON_FP_DATA_FILTER_FLASG3 |
1174 					HTT_RX_MON_MO_DATA_FILTER_FLASG3;
1175 	}
1176 
1177 	if (ab->hw_params.rxdma1_enable) {
1178 		ret = ath11k_dp_tx_htt_rx_filter_setup(ar->ab, ring_id, dp->mac_id,
1179 						       HAL_RXDMA_MONITOR_BUF,
1180 						       DP_RXDMA_REFILL_RING_SIZE,
1181 						       &tlv_filter);
1182 	} else if (!reset) {
1183 		/* set in monitor mode only */
1184 		for (i = 0; i < ab->hw_params.num_rxmda_per_pdev; i++) {
1185 			ring_id = dp->rx_mac_buf_ring[i].ring_id;
1186 			ret = ath11k_dp_tx_htt_rx_filter_setup(ar->ab, ring_id,
1187 							       dp->mac_id + i,
1188 							       HAL_RXDMA_BUF,
1189 							       1024,
1190 							       &tlv_filter);
1191 		}
1192 	}
1193 
1194 	if (ret)
1195 		return ret;
1196 
1197 	for (i = 0; i < ab->hw_params.num_rxmda_per_pdev; i++) {
1198 		ring_id = dp->rx_mon_status_refill_ring[i].refill_buf_ring.ring_id;
1199 		if (!reset) {
1200 			tlv_filter.rx_filter =
1201 					HTT_RX_MON_FILTER_TLV_FLAGS_MON_STATUS_RING;
1202 		} else {
1203 			tlv_filter = ath11k_mac_mon_status_filter_default;
1204 
1205 			if (ath11k_debugfs_is_extd_rx_stats_enabled(ar))
1206 				tlv_filter.rx_filter = ath11k_debugfs_rx_filter(ar);
1207 		}
1208 
1209 		ret = ath11k_dp_tx_htt_rx_filter_setup(ab, ring_id,
1210 						       dp->mac_id + i,
1211 						       HAL_RXDMA_MONITOR_STATUS,
1212 						       DP_RXDMA_REFILL_RING_SIZE,
1213 						       &tlv_filter);
1214 	}
1215 
1216 	if (!ar->ab->hw_params.rxdma1_enable)
1217 		mod_timer(&ar->ab->mon_reap_timer, jiffies +
1218 			  msecs_to_jiffies(ATH11K_MON_TIMER_INTERVAL));
1219 
1220 	return ret;
1221 }
1222 
1223 int ath11k_dp_tx_htt_rx_full_mon_setup(struct ath11k_base *ab, int mac_id,
1224 				       bool config)
1225 {
1226 	struct htt_rx_full_monitor_mode_cfg_cmd *cmd;
1227 	struct sk_buff *skb;
1228 	int ret, len = sizeof(*cmd);
1229 
1230 	skb = ath11k_htc_alloc_skb(ab, len);
1231 	if (!skb)
1232 		return -ENOMEM;
1233 
1234 	skb_put(skb, len);
1235 	cmd = (struct htt_rx_full_monitor_mode_cfg_cmd *)skb->data;
1236 	memset(cmd, 0, sizeof(*cmd));
1237 	cmd->info0 = FIELD_PREP(HTT_RX_FULL_MON_MODE_CFG_CMD_INFO0_MSG_TYPE,
1238 				HTT_H2T_MSG_TYPE_RX_FULL_MONITOR_MODE);
1239 
1240 	cmd->info0 |= FIELD_PREP(HTT_RX_FULL_MON_MODE_CFG_CMD_INFO0_PDEV_ID, mac_id);
1241 
1242 	cmd->cfg = HTT_RX_FULL_MON_MODE_CFG_CMD_CFG_ENABLE |
1243 		   FIELD_PREP(HTT_RX_FULL_MON_MODE_CFG_CMD_CFG_RELEASE_RING,
1244 			      HTT_RX_MON_RING_SW);
1245 	if (config) {
1246 		cmd->cfg |= HTT_RX_FULL_MON_MODE_CFG_CMD_CFG_ZERO_MPDUS_END |
1247 			    HTT_RX_FULL_MON_MODE_CFG_CMD_CFG_NON_ZERO_MPDUS_END;
1248 	}
1249 
1250 	ret = ath11k_htc_send(&ab->htc, ab->dp.eid, skb);
1251 	if (ret)
1252 		goto err_free;
1253 
1254 	return 0;
1255 
1256 err_free:
1257 	dev_kfree_skb_any(skb);
1258 
1259 	return ret;
1260 }
1261