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 		skb->data, (void *)qos_ctl - (void *)skb->data);
41 	skb_pull(skb, IEEE80211_QOS_CTL_LEN);
42 
43 	hdr = (void *)skb->data;
44 	hdr->frame_control &= ~__cpu_to_le16(IEEE80211_STYPE_QOS_DATA);
45 }
46 
47 static u8 ath11k_dp_tx_get_tid(struct sk_buff *skb)
48 {
49 	struct ieee80211_hdr *hdr = (void *)skb->data;
50 	struct ath11k_skb_cb *cb = ATH11K_SKB_CB(skb);
51 
52 	if (cb->flags & ATH11K_SKB_HW_80211_ENCAP)
53 		return skb->priority & IEEE80211_QOS_CTL_TID_MASK;
54 	else if (!ieee80211_is_data_qos(hdr->frame_control))
55 		return HAL_DESC_REO_NON_QOS_TID;
56 	else
57 		return skb->priority & IEEE80211_QOS_CTL_TID_MASK;
58 }
59 
60 enum hal_encrypt_type ath11k_dp_tx_get_encrypt_type(u32 cipher)
61 {
62 	switch (cipher) {
63 	case WLAN_CIPHER_SUITE_WEP40:
64 		return HAL_ENCRYPT_TYPE_WEP_40;
65 	case WLAN_CIPHER_SUITE_WEP104:
66 		return HAL_ENCRYPT_TYPE_WEP_104;
67 	case WLAN_CIPHER_SUITE_TKIP:
68 		return HAL_ENCRYPT_TYPE_TKIP_MIC;
69 	case WLAN_CIPHER_SUITE_CCMP:
70 		return HAL_ENCRYPT_TYPE_CCMP_128;
71 	case WLAN_CIPHER_SUITE_CCMP_256:
72 		return HAL_ENCRYPT_TYPE_CCMP_256;
73 	case WLAN_CIPHER_SUITE_GCMP:
74 		return HAL_ENCRYPT_TYPE_GCMP_128;
75 	case WLAN_CIPHER_SUITE_GCMP_256:
76 		return HAL_ENCRYPT_TYPE_AES_GCMP_256;
77 	default:
78 		return HAL_ENCRYPT_TYPE_OPEN;
79 	}
80 }
81 
82 int ath11k_dp_tx(struct ath11k *ar, struct ath11k_vif *arvif,
83 		 struct ath11k_sta *arsta, struct sk_buff *skb)
84 {
85 	struct ath11k_base *ab = ar->ab;
86 	struct ath11k_dp *dp = &ab->dp;
87 	struct hal_tx_info ti = {0};
88 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
89 	struct ath11k_skb_cb *skb_cb = ATH11K_SKB_CB(skb);
90 	struct hal_srng *tcl_ring;
91 	struct ieee80211_hdr *hdr = (void *)skb->data;
92 	struct dp_tx_ring *tx_ring;
93 	void *hal_tcl_desc;
94 	u8 pool_id;
95 	u8 hal_ring_id;
96 	int ret;
97 	u32 ring_selector = 0;
98 	u8 ring_map = 0;
99 	bool tcl_ring_retry;
100 
101 	if (unlikely(test_bit(ATH11K_FLAG_CRASH_FLUSH, &ar->ab->dev_flags)))
102 		return -ESHUTDOWN;
103 
104 	if (unlikely(!(info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP) &&
105 		     !ieee80211_is_data(hdr->frame_control)))
106 		return -ENOTSUPP;
107 
108 	pool_id = skb_get_queue_mapping(skb) & (ATH11K_HW_MAX_QUEUES - 1);
109 
110 	ring_selector = ab->hw_params.hw_ops->get_ring_selector(skb);
111 
112 tcl_ring_sel:
113 	tcl_ring_retry = false;
114 
115 	ti.ring_id = ring_selector % ab->hw_params.max_tx_ring;
116 	ti.rbm_id = ab->hw_params.hal_params->tcl2wbm_rbm_map[ti.ring_id].rbm_id;
117 
118 	ring_map |= BIT(ti.ring_id);
119 
120 	tx_ring = &dp->tx_ring[ti.ring_id];
121 
122 	spin_lock_bh(&tx_ring->tx_idr_lock);
123 	ret = idr_alloc(&tx_ring->txbuf_idr, skb, 0,
124 			DP_TX_IDR_SIZE - 1, GFP_ATOMIC);
125 	spin_unlock_bh(&tx_ring->tx_idr_lock);
126 
127 	if (unlikely(ret < 0)) {
128 		if (ring_map == (BIT(ab->hw_params.max_tx_ring) - 1) ||
129 		    !ab->hw_params.tcl_ring_retry) {
130 			atomic_inc(&ab->soc_stats.tx_err.misc_fail);
131 			return -ENOSPC;
132 		}
133 
134 		/* Check if the next ring is available */
135 		ring_selector++;
136 		goto tcl_ring_sel;
137 	}
138 
139 	ti.desc_id = FIELD_PREP(DP_TX_DESC_ID_MAC_ID, ar->pdev_idx) |
140 		     FIELD_PREP(DP_TX_DESC_ID_MSDU_ID, ret) |
141 		     FIELD_PREP(DP_TX_DESC_ID_POOL_ID, pool_id);
142 	ti.encap_type = ath11k_dp_tx_get_encap_type(arvif, skb);
143 
144 	if (ieee80211_has_a4(hdr->frame_control) &&
145 	    is_multicast_ether_addr(hdr->addr3) && arsta &&
146 	    arsta->use_4addr_set) {
147 		ti.meta_data_flags = arsta->tcl_metadata;
148 		ti.flags0 |= FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_TO_FW, 1);
149 	} else {
150 		ti.meta_data_flags = arvif->tcl_metadata;
151 	}
152 
153 	if (unlikely(ti.encap_type == HAL_TCL_ENCAP_TYPE_RAW)) {
154 		if (skb_cb->flags & ATH11K_SKB_CIPHER_SET) {
155 			ti.encrypt_type =
156 				ath11k_dp_tx_get_encrypt_type(skb_cb->cipher);
157 
158 			if (ieee80211_has_protected(hdr->frame_control))
159 				skb_put(skb, IEEE80211_CCMP_MIC_LEN);
160 		} else {
161 			ti.encrypt_type = HAL_ENCRYPT_TYPE_OPEN;
162 		}
163 	}
164 
165 	ti.addr_search_flags = arvif->hal_addr_search_flags;
166 	ti.search_type = arvif->search_type;
167 	ti.type = HAL_TCL_DESC_TYPE_BUFFER;
168 	ti.pkt_offset = 0;
169 	ti.lmac_id = ar->lmac_id;
170 	ti.bss_ast_hash = arvif->ast_hash;
171 	ti.bss_ast_idx = arvif->ast_idx;
172 	ti.dscp_tid_tbl_idx = 0;
173 
174 	if (likely(skb->ip_summed == CHECKSUM_PARTIAL &&
175 		   ti.encap_type != HAL_TCL_ENCAP_TYPE_RAW)) {
176 		ti.flags0 |= FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_IP4_CKSUM_EN, 1) |
177 			     FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_UDP4_CKSUM_EN, 1) |
178 			     FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_UDP6_CKSUM_EN, 1) |
179 			     FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_TCP4_CKSUM_EN, 1) |
180 			     FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_TCP6_CKSUM_EN, 1);
181 	}
182 
183 	if (ieee80211_vif_is_mesh(arvif->vif))
184 		ti.enable_mesh = true;
185 
186 	ti.flags1 |= FIELD_PREP(HAL_TCL_DATA_CMD_INFO2_TID_OVERWRITE, 1);
187 
188 	ti.tid = ath11k_dp_tx_get_tid(skb);
189 
190 	switch (ti.encap_type) {
191 	case HAL_TCL_ENCAP_TYPE_NATIVE_WIFI:
192 		ath11k_dp_tx_encap_nwifi(skb);
193 		break;
194 	case HAL_TCL_ENCAP_TYPE_RAW:
195 		if (!test_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags)) {
196 			ret = -EINVAL;
197 			goto fail_remove_idr;
198 		}
199 		break;
200 	case HAL_TCL_ENCAP_TYPE_ETHERNET:
201 		/* no need to encap */
202 		break;
203 	case HAL_TCL_ENCAP_TYPE_802_3:
204 	default:
205 		/* TODO: Take care of other encap modes as well */
206 		ret = -EINVAL;
207 		atomic_inc(&ab->soc_stats.tx_err.misc_fail);
208 		goto fail_remove_idr;
209 	}
210 
211 	ti.paddr = dma_map_single(ab->dev, skb->data, skb->len, DMA_TO_DEVICE);
212 	if (unlikely(dma_mapping_error(ab->dev, ti.paddr))) {
213 		atomic_inc(&ab->soc_stats.tx_err.misc_fail);
214 		ath11k_warn(ab, "failed to DMA map data Tx buffer\n");
215 		ret = -ENOMEM;
216 		goto fail_remove_idr;
217 	}
218 
219 	ti.data_len = skb->len;
220 	skb_cb->paddr = ti.paddr;
221 	skb_cb->vif = arvif->vif;
222 	skb_cb->ar = ar;
223 
224 	hal_ring_id = tx_ring->tcl_data_ring.ring_id;
225 	tcl_ring = &ab->hal.srng_list[hal_ring_id];
226 
227 	spin_lock_bh(&tcl_ring->lock);
228 
229 	ath11k_hal_srng_access_begin(ab, tcl_ring);
230 
231 	hal_tcl_desc = (void *)ath11k_hal_srng_src_get_next_entry(ab, tcl_ring);
232 	if (unlikely(!hal_tcl_desc)) {
233 		/* NOTE: It is highly unlikely we'll be running out of tcl_ring
234 		 * desc because the desc is directly enqueued onto hw queue.
235 		 */
236 		ath11k_hal_srng_access_end(ab, tcl_ring);
237 		ab->soc_stats.tx_err.desc_na[ti.ring_id]++;
238 		spin_unlock_bh(&tcl_ring->lock);
239 		ret = -ENOMEM;
240 
241 		/* Checking for available tcl descritors in another ring in
242 		 * case of failure due to full tcl ring now, is better than
243 		 * checking this ring earlier for each pkt tx.
244 		 * Restart ring selection if some rings are not checked yet.
245 		 */
246 		if (unlikely(ring_map != (BIT(ab->hw_params.max_tx_ring)) - 1) &&
247 		    ab->hw_params.tcl_ring_retry && ab->hw_params.max_tx_ring > 1) {
248 			tcl_ring_retry = true;
249 			ring_selector++;
250 		}
251 
252 		goto fail_unmap_dma;
253 	}
254 
255 	ath11k_hal_tx_cmd_desc_setup(ab, hal_tcl_desc +
256 					 sizeof(struct hal_tlv_hdr), &ti);
257 
258 	ath11k_hal_srng_access_end(ab, tcl_ring);
259 
260 	ath11k_dp_shadow_start_timer(ab, tcl_ring, &dp->tx_ring_timer[ti.ring_id]);
261 
262 	spin_unlock_bh(&tcl_ring->lock);
263 
264 	ath11k_dbg_dump(ab, ATH11K_DBG_DP_TX, NULL, "dp tx msdu: ",
265 			skb->data, skb->len);
266 
267 	atomic_inc(&ar->dp.num_tx_pending);
268 
269 	return 0;
270 
271 fail_unmap_dma:
272 	dma_unmap_single(ab->dev, ti.paddr, ti.data_len, DMA_TO_DEVICE);
273 
274 fail_remove_idr:
275 	spin_lock_bh(&tx_ring->tx_idr_lock);
276 	idr_remove(&tx_ring->txbuf_idr,
277 		   FIELD_GET(DP_TX_DESC_ID_MSDU_ID, ti.desc_id));
278 	spin_unlock_bh(&tx_ring->tx_idr_lock);
279 
280 	if (tcl_ring_retry)
281 		goto tcl_ring_sel;
282 
283 	return ret;
284 }
285 
286 static void ath11k_dp_tx_free_txbuf(struct ath11k_base *ab, u8 mac_id,
287 				    int msdu_id,
288 				    struct dp_tx_ring *tx_ring)
289 {
290 	struct ath11k *ar;
291 	struct sk_buff *msdu;
292 	struct ath11k_skb_cb *skb_cb;
293 
294 	spin_lock(&tx_ring->tx_idr_lock);
295 	msdu = idr_remove(&tx_ring->txbuf_idr, msdu_id);
296 	spin_unlock(&tx_ring->tx_idr_lock);
297 
298 	if (unlikely(!msdu)) {
299 		ath11k_warn(ab, "tx completion for unknown msdu_id %d\n",
300 			    msdu_id);
301 		return;
302 	}
303 
304 	skb_cb = ATH11K_SKB_CB(msdu);
305 
306 	dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
307 	dev_kfree_skb_any(msdu);
308 
309 	ar = ab->pdevs[mac_id].ar;
310 	if (atomic_dec_and_test(&ar->dp.num_tx_pending))
311 		wake_up(&ar->dp.tx_empty_waitq);
312 }
313 
314 static void
315 ath11k_dp_tx_htt_tx_complete_buf(struct ath11k_base *ab,
316 				 struct dp_tx_ring *tx_ring,
317 				 struct ath11k_dp_htt_wbm_tx_status *ts)
318 {
319 	struct sk_buff *msdu;
320 	struct ieee80211_tx_info *info;
321 	struct ath11k_skb_cb *skb_cb;
322 	struct ath11k *ar;
323 
324 	spin_lock(&tx_ring->tx_idr_lock);
325 	msdu = idr_remove(&tx_ring->txbuf_idr, ts->msdu_id);
326 	spin_unlock(&tx_ring->tx_idr_lock);
327 
328 	if (unlikely(!msdu)) {
329 		ath11k_warn(ab, "htt tx completion for unknown msdu_id %d\n",
330 			    ts->msdu_id);
331 		return;
332 	}
333 
334 	skb_cb = ATH11K_SKB_CB(msdu);
335 	info = IEEE80211_SKB_CB(msdu);
336 
337 	ar = skb_cb->ar;
338 
339 	if (atomic_dec_and_test(&ar->dp.num_tx_pending))
340 		wake_up(&ar->dp.tx_empty_waitq);
341 
342 	dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
343 
344 	memset(&info->status, 0, sizeof(info->status));
345 
346 	if (ts->acked) {
347 		if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) {
348 			info->flags |= IEEE80211_TX_STAT_ACK;
349 			info->status.ack_signal = ATH11K_DEFAULT_NOISE_FLOOR +
350 						  ts->ack_rssi;
351 			info->status.flags |=
352 				IEEE80211_TX_STATUS_ACK_SIGNAL_VALID;
353 		} else {
354 			info->flags |= IEEE80211_TX_STAT_NOACK_TRANSMITTED;
355 		}
356 	}
357 
358 	ieee80211_tx_status(ar->hw, msdu);
359 }
360 
361 static void
362 ath11k_dp_tx_process_htt_tx_complete(struct ath11k_base *ab,
363 				     void *desc, u8 mac_id,
364 				     u32 msdu_id, struct dp_tx_ring *tx_ring)
365 {
366 	struct htt_tx_wbm_completion *status_desc;
367 	struct ath11k_dp_htt_wbm_tx_status ts = {0};
368 	enum hal_wbm_htt_tx_comp_status wbm_status;
369 
370 	status_desc = desc + HTT_TX_WBM_COMP_STATUS_OFFSET;
371 
372 	wbm_status = FIELD_GET(HTT_TX_WBM_COMP_INFO0_STATUS,
373 			       status_desc->info0);
374 	switch (wbm_status) {
375 	case HAL_WBM_REL_HTT_TX_COMP_STATUS_OK:
376 	case HAL_WBM_REL_HTT_TX_COMP_STATUS_DROP:
377 	case HAL_WBM_REL_HTT_TX_COMP_STATUS_TTL:
378 		ts.acked = (wbm_status == HAL_WBM_REL_HTT_TX_COMP_STATUS_OK);
379 		ts.msdu_id = msdu_id;
380 		ts.ack_rssi = FIELD_GET(HTT_TX_WBM_COMP_INFO1_ACK_RSSI,
381 					status_desc->info1);
382 		ath11k_dp_tx_htt_tx_complete_buf(ab, tx_ring, &ts);
383 		break;
384 	case HAL_WBM_REL_HTT_TX_COMP_STATUS_REINJ:
385 	case HAL_WBM_REL_HTT_TX_COMP_STATUS_INSPECT:
386 		ath11k_dp_tx_free_txbuf(ab, mac_id, msdu_id, tx_ring);
387 		break;
388 	case HAL_WBM_REL_HTT_TX_COMP_STATUS_MEC_NOTIFY:
389 		/* This event is to be handled only when the driver decides to
390 		 * use WDS offload functionality.
391 		 */
392 		break;
393 	default:
394 		ath11k_warn(ab, "Unknown htt tx status %d\n", wbm_status);
395 		break;
396 	}
397 }
398 
399 static void ath11k_dp_tx_cache_peer_stats(struct ath11k *ar,
400 					  struct sk_buff *msdu,
401 					  struct hal_tx_status *ts)
402 {
403 	struct ath11k_per_peer_tx_stats *peer_stats = &ar->cached_stats;
404 
405 	if (ts->try_cnt > 1) {
406 		peer_stats->retry_pkts += ts->try_cnt - 1;
407 		peer_stats->retry_bytes += (ts->try_cnt - 1) * msdu->len;
408 
409 		if (ts->status != HAL_WBM_TQM_REL_REASON_FRAME_ACKED) {
410 			peer_stats->failed_pkts += 1;
411 			peer_stats->failed_bytes += msdu->len;
412 		}
413 	}
414 }
415 
416 void ath11k_dp_tx_update_txcompl(struct ath11k *ar, struct hal_tx_status *ts)
417 {
418 	struct ath11k_base *ab = ar->ab;
419 	struct ath11k_per_peer_tx_stats *peer_stats = &ar->cached_stats;
420 	enum hal_tx_rate_stats_pkt_type pkt_type;
421 	enum hal_tx_rate_stats_sgi sgi;
422 	enum hal_tx_rate_stats_bw bw;
423 	struct ath11k_peer *peer;
424 	struct ath11k_sta *arsta;
425 	struct ieee80211_sta *sta;
426 	u16 rate, ru_tones;
427 	u8 mcs, rate_idx = 0, ofdma;
428 	int ret;
429 
430 	spin_lock_bh(&ab->base_lock);
431 	peer = ath11k_peer_find_by_id(ab, ts->peer_id);
432 	if (!peer || !peer->sta) {
433 		ath11k_dbg(ab, ATH11K_DBG_DP_TX,
434 			   "failed to find the peer by id %u\n", ts->peer_id);
435 		goto err_out;
436 	}
437 
438 	sta = peer->sta;
439 	arsta = (struct ath11k_sta *)sta->drv_priv;
440 
441 	memset(&arsta->txrate, 0, sizeof(arsta->txrate));
442 	pkt_type = FIELD_GET(HAL_TX_RATE_STATS_INFO0_PKT_TYPE,
443 			     ts->rate_stats);
444 	mcs = FIELD_GET(HAL_TX_RATE_STATS_INFO0_MCS,
445 			ts->rate_stats);
446 	sgi = FIELD_GET(HAL_TX_RATE_STATS_INFO0_SGI,
447 			ts->rate_stats);
448 	bw = FIELD_GET(HAL_TX_RATE_STATS_INFO0_BW, ts->rate_stats);
449 	ru_tones = FIELD_GET(HAL_TX_RATE_STATS_INFO0_TONES_IN_RU, ts->rate_stats);
450 	ofdma = FIELD_GET(HAL_TX_RATE_STATS_INFO0_OFDMA_TX, ts->rate_stats);
451 
452 	/* This is to prefer choose the real NSS value arsta->last_txrate.nss,
453 	 * if it is invalid, then choose the NSS value while assoc.
454 	 */
455 	if (arsta->last_txrate.nss)
456 		arsta->txrate.nss = arsta->last_txrate.nss;
457 	else
458 		arsta->txrate.nss = arsta->peer_nss;
459 
460 	if (pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11A ||
461 	    pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11B) {
462 		ret = ath11k_mac_hw_ratecode_to_legacy_rate(mcs,
463 							    pkt_type,
464 							    &rate_idx,
465 							    &rate);
466 		if (ret < 0)
467 			goto err_out;
468 		arsta->txrate.legacy = rate;
469 	} else if (pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11N) {
470 		if (mcs > 7) {
471 			ath11k_warn(ab, "Invalid HT mcs index %d\n", mcs);
472 			goto err_out;
473 		}
474 
475 		if (arsta->txrate.nss != 0)
476 			arsta->txrate.mcs = mcs + 8 * (arsta->txrate.nss - 1);
477 		arsta->txrate.flags = RATE_INFO_FLAGS_MCS;
478 		if (sgi)
479 			arsta->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
480 	} else if (pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11AC) {
481 		if (mcs > 9) {
482 			ath11k_warn(ab, "Invalid VHT mcs index %d\n", mcs);
483 			goto err_out;
484 		}
485 
486 		arsta->txrate.mcs = mcs;
487 		arsta->txrate.flags = RATE_INFO_FLAGS_VHT_MCS;
488 		if (sgi)
489 			arsta->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
490 	} else if (pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11AX) {
491 		if (mcs > 11) {
492 			ath11k_warn(ab, "Invalid HE mcs index %d\n", mcs);
493 			goto err_out;
494 		}
495 
496 		arsta->txrate.mcs = mcs;
497 		arsta->txrate.flags = RATE_INFO_FLAGS_HE_MCS;
498 		arsta->txrate.he_gi = ath11k_mac_he_gi_to_nl80211_he_gi(sgi);
499 	}
500 
501 	arsta->txrate.bw = ath11k_mac_bw_to_mac80211_bw(bw);
502 	if (ofdma && pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11AX) {
503 		arsta->txrate.bw = RATE_INFO_BW_HE_RU;
504 		arsta->txrate.he_ru_alloc =
505 			ath11k_mac_he_ru_tones_to_nl80211_he_ru_alloc(ru_tones);
506 	}
507 
508 	if (ath11k_debugfs_is_extd_tx_stats_enabled(ar))
509 		ath11k_debugfs_sta_add_tx_stats(arsta, peer_stats, rate_idx);
510 
511 err_out:
512 	spin_unlock_bh(&ab->base_lock);
513 }
514 
515 static void ath11k_dp_tx_complete_msdu(struct ath11k *ar,
516 				       struct sk_buff *msdu,
517 				       struct hal_tx_status *ts)
518 {
519 	struct ieee80211_tx_status status = { 0 };
520 	struct ieee80211_rate_status status_rate = { 0 };
521 	struct ath11k_base *ab = ar->ab;
522 	struct ieee80211_tx_info *info;
523 	struct ath11k_skb_cb *skb_cb;
524 	struct ath11k_peer *peer;
525 	struct ath11k_sta *arsta;
526 	struct rate_info rate;
527 
528 	if (WARN_ON_ONCE(ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_TQM)) {
529 		/* Must not happen */
530 		return;
531 	}
532 
533 	skb_cb = ATH11K_SKB_CB(msdu);
534 
535 	dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
536 
537 	if (unlikely(!rcu_access_pointer(ab->pdevs_active[ar->pdev_idx]))) {
538 		dev_kfree_skb_any(msdu);
539 		return;
540 	}
541 
542 	if (unlikely(!skb_cb->vif)) {
543 		dev_kfree_skb_any(msdu);
544 		return;
545 	}
546 
547 	info = IEEE80211_SKB_CB(msdu);
548 	memset(&info->status, 0, sizeof(info->status));
549 
550 	/* skip tx rate update from ieee80211_status*/
551 	info->status.rates[0].idx = -1;
552 
553 	if (ts->status == HAL_WBM_TQM_REL_REASON_FRAME_ACKED &&
554 	    !(info->flags & IEEE80211_TX_CTL_NO_ACK)) {
555 		info->flags |= IEEE80211_TX_STAT_ACK;
556 		info->status.ack_signal = ATH11K_DEFAULT_NOISE_FLOOR +
557 					  ts->ack_rssi;
558 		info->status.flags |= IEEE80211_TX_STATUS_ACK_SIGNAL_VALID;
559 	}
560 
561 	if (ts->status == HAL_WBM_TQM_REL_REASON_CMD_REMOVE_TX &&
562 	    (info->flags & IEEE80211_TX_CTL_NO_ACK))
563 		info->flags |= IEEE80211_TX_STAT_NOACK_TRANSMITTED;
564 
565 	if (unlikely(ath11k_debugfs_is_extd_tx_stats_enabled(ar)) ||
566 	    ab->hw_params.single_pdev_only) {
567 		if (ts->flags & HAL_TX_STATUS_FLAGS_FIRST_MSDU) {
568 			if (ar->last_ppdu_id == 0) {
569 				ar->last_ppdu_id = ts->ppdu_id;
570 			} else if (ar->last_ppdu_id == ts->ppdu_id ||
571 				   ar->cached_ppdu_id == ar->last_ppdu_id) {
572 				ar->cached_ppdu_id = ar->last_ppdu_id;
573 				ar->cached_stats.is_ampdu = true;
574 				ath11k_dp_tx_update_txcompl(ar, ts);
575 				memset(&ar->cached_stats, 0,
576 				       sizeof(struct ath11k_per_peer_tx_stats));
577 			} else {
578 				ar->cached_stats.is_ampdu = false;
579 				ath11k_dp_tx_update_txcompl(ar, ts);
580 				memset(&ar->cached_stats, 0,
581 				       sizeof(struct ath11k_per_peer_tx_stats));
582 			}
583 			ar->last_ppdu_id = ts->ppdu_id;
584 		}
585 
586 		ath11k_dp_tx_cache_peer_stats(ar, msdu, ts);
587 	}
588 
589 	spin_lock_bh(&ab->base_lock);
590 	peer = ath11k_peer_find_by_id(ab, ts->peer_id);
591 	if (!peer || !peer->sta) {
592 		ath11k_dbg(ab, ATH11K_DBG_DATA,
593 			   "dp_tx: failed to find the peer with peer_id %d\n",
594 			    ts->peer_id);
595 		spin_unlock_bh(&ab->base_lock);
596 		dev_kfree_skb_any(msdu);
597 		return;
598 	}
599 	arsta = (struct ath11k_sta *)peer->sta->drv_priv;
600 	status.sta = peer->sta;
601 	status.skb = msdu;
602 	status.info = info;
603 	rate = arsta->last_txrate;
604 
605 	status_rate.rate_idx = rate;
606 	status_rate.try_count = 1;
607 
608 	status.rates = &status_rate;
609 	status.n_rates = 1;
610 
611 	spin_unlock_bh(&ab->base_lock);
612 
613 	ieee80211_tx_status_ext(ar->hw, &status);
614 }
615 
616 static inline void ath11k_dp_tx_status_parse(struct ath11k_base *ab,
617 					     struct hal_wbm_release_ring *desc,
618 					     struct hal_tx_status *ts)
619 {
620 	ts->buf_rel_source =
621 		FIELD_GET(HAL_WBM_RELEASE_INFO0_REL_SRC_MODULE, desc->info0);
622 	if (unlikely(ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_FW &&
623 		     ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_TQM))
624 		return;
625 
626 	if (unlikely(ts->buf_rel_source == HAL_WBM_REL_SRC_MODULE_FW))
627 		return;
628 
629 	ts->status = FIELD_GET(HAL_WBM_RELEASE_INFO0_TQM_RELEASE_REASON,
630 			       desc->info0);
631 	ts->ppdu_id = FIELD_GET(HAL_WBM_RELEASE_INFO1_TQM_STATUS_NUMBER,
632 				desc->info1);
633 	ts->try_cnt = FIELD_GET(HAL_WBM_RELEASE_INFO1_TRANSMIT_COUNT,
634 				desc->info1);
635 	ts->ack_rssi = FIELD_GET(HAL_WBM_RELEASE_INFO2_ACK_FRAME_RSSI,
636 				 desc->info2);
637 	if (desc->info2 & HAL_WBM_RELEASE_INFO2_FIRST_MSDU)
638 		ts->flags |= HAL_TX_STATUS_FLAGS_FIRST_MSDU;
639 	ts->peer_id = FIELD_GET(HAL_WBM_RELEASE_INFO3_PEER_ID, desc->info3);
640 	ts->tid = FIELD_GET(HAL_WBM_RELEASE_INFO3_TID, desc->info3);
641 	if (desc->rate_stats.info0 & HAL_TX_RATE_STATS_INFO0_VALID)
642 		ts->rate_stats = desc->rate_stats.info0;
643 	else
644 		ts->rate_stats = 0;
645 }
646 
647 void ath11k_dp_tx_completion_handler(struct ath11k_base *ab, int ring_id)
648 {
649 	struct ath11k *ar;
650 	struct ath11k_dp *dp = &ab->dp;
651 	int hal_ring_id = dp->tx_ring[ring_id].tcl_comp_ring.ring_id;
652 	struct hal_srng *status_ring = &ab->hal.srng_list[hal_ring_id];
653 	struct sk_buff *msdu;
654 	struct hal_tx_status ts = { 0 };
655 	struct dp_tx_ring *tx_ring = &dp->tx_ring[ring_id];
656 	u32 *desc;
657 	u32 msdu_id;
658 	u8 mac_id;
659 
660 	spin_lock_bh(&status_ring->lock);
661 
662 	ath11k_hal_srng_access_begin(ab, status_ring);
663 
664 	while ((ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_head) !=
665 		tx_ring->tx_status_tail) &&
666 	       (desc = ath11k_hal_srng_dst_get_next_entry(ab, status_ring))) {
667 		memcpy(&tx_ring->tx_status[tx_ring->tx_status_head],
668 		       desc, sizeof(struct hal_wbm_release_ring));
669 		tx_ring->tx_status_head =
670 			ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_head);
671 	}
672 
673 	if (unlikely((ath11k_hal_srng_dst_peek(ab, status_ring) != NULL) &&
674 		     (ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_head) ==
675 		      tx_ring->tx_status_tail))) {
676 		/* TODO: Process pending tx_status messages when kfifo_is_full() */
677 		ath11k_warn(ab, "Unable to process some of the tx_status ring desc because status_fifo is full\n");
678 	}
679 
680 	ath11k_hal_srng_access_end(ab, status_ring);
681 
682 	spin_unlock_bh(&status_ring->lock);
683 
684 	while (ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_tail) != tx_ring->tx_status_head) {
685 		struct hal_wbm_release_ring *tx_status;
686 		u32 desc_id;
687 
688 		tx_ring->tx_status_tail =
689 			ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_tail);
690 		tx_status = &tx_ring->tx_status[tx_ring->tx_status_tail];
691 		ath11k_dp_tx_status_parse(ab, tx_status, &ts);
692 
693 		desc_id = FIELD_GET(BUFFER_ADDR_INFO1_SW_COOKIE,
694 				    tx_status->buf_addr_info.info1);
695 		mac_id = FIELD_GET(DP_TX_DESC_ID_MAC_ID, desc_id);
696 		msdu_id = FIELD_GET(DP_TX_DESC_ID_MSDU_ID, desc_id);
697 
698 		if (unlikely(ts.buf_rel_source == HAL_WBM_REL_SRC_MODULE_FW)) {
699 			ath11k_dp_tx_process_htt_tx_complete(ab,
700 							     (void *)tx_status,
701 							     mac_id, msdu_id,
702 							     tx_ring);
703 			continue;
704 		}
705 
706 		spin_lock(&tx_ring->tx_idr_lock);
707 		msdu = idr_remove(&tx_ring->txbuf_idr, msdu_id);
708 		if (unlikely(!msdu)) {
709 			ath11k_warn(ab, "tx completion for unknown msdu_id %d\n",
710 				    msdu_id);
711 			spin_unlock(&tx_ring->tx_idr_lock);
712 			continue;
713 		}
714 
715 		spin_unlock(&tx_ring->tx_idr_lock);
716 
717 		ar = ab->pdevs[mac_id].ar;
718 
719 		if (atomic_dec_and_test(&ar->dp.num_tx_pending))
720 			wake_up(&ar->dp.tx_empty_waitq);
721 
722 		ath11k_dp_tx_complete_msdu(ar, msdu, &ts);
723 	}
724 }
725 
726 int ath11k_dp_tx_send_reo_cmd(struct ath11k_base *ab, struct dp_rx_tid *rx_tid,
727 			      enum hal_reo_cmd_type type,
728 			      struct ath11k_hal_reo_cmd *cmd,
729 			      void (*cb)(struct ath11k_dp *, void *,
730 					 enum hal_reo_cmd_status))
731 {
732 	struct ath11k_dp *dp = &ab->dp;
733 	struct dp_reo_cmd *dp_cmd;
734 	struct hal_srng *cmd_ring;
735 	int cmd_num;
736 
737 	if (test_bit(ATH11K_FLAG_CRASH_FLUSH, &ab->dev_flags))
738 		return -ESHUTDOWN;
739 
740 	cmd_ring = &ab->hal.srng_list[dp->reo_cmd_ring.ring_id];
741 	cmd_num = ath11k_hal_reo_cmd_send(ab, cmd_ring, type, cmd);
742 
743 	/* cmd_num should start from 1, during failure return the error code */
744 	if (cmd_num < 0)
745 		return cmd_num;
746 
747 	/* reo cmd ring descriptors has cmd_num starting from 1 */
748 	if (cmd_num == 0)
749 		return -EINVAL;
750 
751 	if (!cb)
752 		return 0;
753 
754 	/* Can this be optimized so that we keep the pending command list only
755 	 * for tid delete command to free up the resource on the command status
756 	 * indication?
757 	 */
758 	dp_cmd = kzalloc(sizeof(*dp_cmd), GFP_ATOMIC);
759 
760 	if (!dp_cmd)
761 		return -ENOMEM;
762 
763 	memcpy(&dp_cmd->data, rx_tid, sizeof(struct dp_rx_tid));
764 	dp_cmd->cmd_num = cmd_num;
765 	dp_cmd->handler = cb;
766 
767 	spin_lock_bh(&dp->reo_cmd_lock);
768 	list_add_tail(&dp_cmd->list, &dp->reo_cmd_list);
769 	spin_unlock_bh(&dp->reo_cmd_lock);
770 
771 	return 0;
772 }
773 
774 static int
775 ath11k_dp_tx_get_ring_id_type(struct ath11k_base *ab,
776 			      int mac_id, u32 ring_id,
777 			      enum hal_ring_type ring_type,
778 			      enum htt_srng_ring_type *htt_ring_type,
779 			      enum htt_srng_ring_id *htt_ring_id)
780 {
781 	int lmac_ring_id_offset = 0;
782 	int ret = 0;
783 
784 	switch (ring_type) {
785 	case HAL_RXDMA_BUF:
786 		lmac_ring_id_offset = mac_id * HAL_SRNG_RINGS_PER_LMAC;
787 
788 		/* for QCA6390, host fills rx buffer to fw and fw fills to
789 		 * rxbuf ring for each rxdma
790 		 */
791 		if (!ab->hw_params.rx_mac_buf_ring) {
792 			if (!(ring_id == (HAL_SRNG_RING_ID_WMAC1_SW2RXDMA0_BUF +
793 					  lmac_ring_id_offset) ||
794 				ring_id == (HAL_SRNG_RING_ID_WMAC1_SW2RXDMA1_BUF +
795 					lmac_ring_id_offset))) {
796 				ret = -EINVAL;
797 			}
798 			*htt_ring_id = HTT_RXDMA_HOST_BUF_RING;
799 			*htt_ring_type = HTT_SW_TO_HW_RING;
800 		} else {
801 			if (ring_id == HAL_SRNG_RING_ID_WMAC1_SW2RXDMA0_BUF) {
802 				*htt_ring_id = HTT_HOST1_TO_FW_RXBUF_RING;
803 				*htt_ring_type = HTT_SW_TO_SW_RING;
804 			} else {
805 				*htt_ring_id = HTT_RXDMA_HOST_BUF_RING;
806 				*htt_ring_type = HTT_SW_TO_HW_RING;
807 			}
808 		}
809 		break;
810 	case HAL_RXDMA_DST:
811 		*htt_ring_id = HTT_RXDMA_NON_MONITOR_DEST_RING;
812 		*htt_ring_type = HTT_HW_TO_SW_RING;
813 		break;
814 	case HAL_RXDMA_MONITOR_BUF:
815 		*htt_ring_id = HTT_RXDMA_MONITOR_BUF_RING;
816 		*htt_ring_type = HTT_SW_TO_HW_RING;
817 		break;
818 	case HAL_RXDMA_MONITOR_STATUS:
819 		*htt_ring_id = HTT_RXDMA_MONITOR_STATUS_RING;
820 		*htt_ring_type = HTT_SW_TO_HW_RING;
821 		break;
822 	case HAL_RXDMA_MONITOR_DST:
823 		*htt_ring_id = HTT_RXDMA_MONITOR_DEST_RING;
824 		*htt_ring_type = HTT_HW_TO_SW_RING;
825 		break;
826 	case HAL_RXDMA_MONITOR_DESC:
827 		*htt_ring_id = HTT_RXDMA_MONITOR_DESC_RING;
828 		*htt_ring_type = HTT_SW_TO_HW_RING;
829 		break;
830 	default:
831 		ath11k_warn(ab, "Unsupported ring type in DP :%d\n", ring_type);
832 		ret = -EINVAL;
833 	}
834 	return ret;
835 }
836 
837 int ath11k_dp_tx_htt_srng_setup(struct ath11k_base *ab, u32 ring_id,
838 				int mac_id, enum hal_ring_type ring_type)
839 {
840 	struct htt_srng_setup_cmd *cmd;
841 	struct hal_srng *srng = &ab->hal.srng_list[ring_id];
842 	struct hal_srng_params params;
843 	struct sk_buff *skb;
844 	u32 ring_entry_sz;
845 	int len = sizeof(*cmd);
846 	dma_addr_t hp_addr, tp_addr;
847 	enum htt_srng_ring_type htt_ring_type;
848 	enum htt_srng_ring_id htt_ring_id;
849 	int ret;
850 
851 	skb = ath11k_htc_alloc_skb(ab, len);
852 	if (!skb)
853 		return -ENOMEM;
854 
855 	memset(&params, 0, sizeof(params));
856 	ath11k_hal_srng_get_params(ab, srng, &params);
857 
858 	hp_addr = ath11k_hal_srng_get_hp_addr(ab, srng);
859 	tp_addr = ath11k_hal_srng_get_tp_addr(ab, srng);
860 
861 	ret = ath11k_dp_tx_get_ring_id_type(ab, mac_id, ring_id,
862 					    ring_type, &htt_ring_type,
863 					    &htt_ring_id);
864 	if (ret)
865 		goto err_free;
866 
867 	skb_put(skb, len);
868 	cmd = (struct htt_srng_setup_cmd *)skb->data;
869 	cmd->info0 = FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_MSG_TYPE,
870 				HTT_H2T_MSG_TYPE_SRING_SETUP);
871 	if (htt_ring_type == HTT_SW_TO_HW_RING ||
872 	    htt_ring_type == HTT_HW_TO_SW_RING)
873 		cmd->info0 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_PDEV_ID,
874 					 DP_SW2HW_MACID(mac_id));
875 	else
876 		cmd->info0 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_PDEV_ID,
877 					 mac_id);
878 	cmd->info0 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_RING_TYPE,
879 				 htt_ring_type);
880 	cmd->info0 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_RING_ID, htt_ring_id);
881 
882 	cmd->ring_base_addr_lo = params.ring_base_paddr &
883 				 HAL_ADDR_LSB_REG_MASK;
884 
885 	cmd->ring_base_addr_hi = (u64)params.ring_base_paddr >>
886 				 HAL_ADDR_MSB_REG_SHIFT;
887 
888 	ret = ath11k_hal_srng_get_entrysize(ab, ring_type);
889 	if (ret < 0)
890 		goto err_free;
891 
892 	ring_entry_sz = ret;
893 
894 	ring_entry_sz >>= 2;
895 	cmd->info1 = FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO1_RING_ENTRY_SIZE,
896 				ring_entry_sz);
897 	cmd->info1 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO1_RING_SIZE,
898 				 params.num_entries * ring_entry_sz);
899 	cmd->info1 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO1_RING_FLAGS_MSI_SWAP,
900 				 !!(params.flags & HAL_SRNG_FLAGS_MSI_SWAP));
901 	cmd->info1 |= FIELD_PREP(
902 			HTT_SRNG_SETUP_CMD_INFO1_RING_FLAGS_TLV_SWAP,
903 			!!(params.flags & HAL_SRNG_FLAGS_DATA_TLV_SWAP));
904 	cmd->info1 |= FIELD_PREP(
905 			HTT_SRNG_SETUP_CMD_INFO1_RING_FLAGS_HOST_FW_SWAP,
906 			!!(params.flags & HAL_SRNG_FLAGS_RING_PTR_SWAP));
907 	if (htt_ring_type == HTT_SW_TO_HW_RING)
908 		cmd->info1 |= HTT_SRNG_SETUP_CMD_INFO1_RING_LOOP_CNT_DIS;
909 
910 	cmd->ring_head_off32_remote_addr_lo = hp_addr & HAL_ADDR_LSB_REG_MASK;
911 	cmd->ring_head_off32_remote_addr_hi = (u64)hp_addr >>
912 					      HAL_ADDR_MSB_REG_SHIFT;
913 
914 	cmd->ring_tail_off32_remote_addr_lo = tp_addr & HAL_ADDR_LSB_REG_MASK;
915 	cmd->ring_tail_off32_remote_addr_hi = (u64)tp_addr >>
916 					      HAL_ADDR_MSB_REG_SHIFT;
917 
918 	cmd->ring_msi_addr_lo = lower_32_bits(params.msi_addr);
919 	cmd->ring_msi_addr_hi = upper_32_bits(params.msi_addr);
920 	cmd->msi_data = params.msi_data;
921 
922 	cmd->intr_info = FIELD_PREP(
923 			HTT_SRNG_SETUP_CMD_INTR_INFO_BATCH_COUNTER_THRESH,
924 			params.intr_batch_cntr_thres_entries * ring_entry_sz);
925 	cmd->intr_info |= FIELD_PREP(
926 			HTT_SRNG_SETUP_CMD_INTR_INFO_INTR_TIMER_THRESH,
927 			params.intr_timer_thres_us >> 3);
928 
929 	cmd->info2 = 0;
930 	if (params.flags & HAL_SRNG_FLAGS_LOW_THRESH_INTR_EN) {
931 		cmd->info2 = FIELD_PREP(
932 				HTT_SRNG_SETUP_CMD_INFO2_INTR_LOW_THRESH,
933 				params.low_threshold);
934 	}
935 
936 	ath11k_dbg(ab, ATH11k_DBG_HAL,
937 		   "%s msi_addr_lo:0x%x, msi_addr_hi:0x%x, msi_data:0x%x\n",
938 		   __func__, cmd->ring_msi_addr_lo, cmd->ring_msi_addr_hi,
939 		   cmd->msi_data);
940 
941 	ath11k_dbg(ab, ATH11k_DBG_HAL,
942 		   "ring_id:%d, ring_type:%d, intr_info:0x%x, flags:0x%x\n",
943 		   ring_id, ring_type, cmd->intr_info, cmd->info2);
944 
945 	ret = ath11k_htc_send(&ab->htc, ab->dp.eid, skb);
946 	if (ret)
947 		goto err_free;
948 
949 	return 0;
950 
951 err_free:
952 	dev_kfree_skb_any(skb);
953 
954 	return ret;
955 }
956 
957 #define HTT_TARGET_VERSION_TIMEOUT_HZ (3 * HZ)
958 
959 int ath11k_dp_tx_htt_h2t_ver_req_msg(struct ath11k_base *ab)
960 {
961 	struct ath11k_dp *dp = &ab->dp;
962 	struct sk_buff *skb;
963 	struct htt_ver_req_cmd *cmd;
964 	int len = sizeof(*cmd);
965 	int ret;
966 
967 	init_completion(&dp->htt_tgt_version_received);
968 
969 	skb = ath11k_htc_alloc_skb(ab, len);
970 	if (!skb)
971 		return -ENOMEM;
972 
973 	skb_put(skb, len);
974 	cmd = (struct htt_ver_req_cmd *)skb->data;
975 	cmd->ver_reg_info = FIELD_PREP(HTT_VER_REQ_INFO_MSG_ID,
976 				       HTT_H2T_MSG_TYPE_VERSION_REQ);
977 
978 	ret = ath11k_htc_send(&ab->htc, dp->eid, skb);
979 	if (ret) {
980 		dev_kfree_skb_any(skb);
981 		return ret;
982 	}
983 
984 	ret = wait_for_completion_timeout(&dp->htt_tgt_version_received,
985 					  HTT_TARGET_VERSION_TIMEOUT_HZ);
986 	if (ret == 0) {
987 		ath11k_warn(ab, "htt target version request timed out\n");
988 		return -ETIMEDOUT;
989 	}
990 
991 	if (dp->htt_tgt_ver_major != HTT_TARGET_VERSION_MAJOR) {
992 		ath11k_err(ab, "unsupported htt major version %d supported version is %d\n",
993 			   dp->htt_tgt_ver_major, HTT_TARGET_VERSION_MAJOR);
994 		return -ENOTSUPP;
995 	}
996 
997 	return 0;
998 }
999 
1000 int ath11k_dp_tx_htt_h2t_ppdu_stats_req(struct ath11k *ar, u32 mask)
1001 {
1002 	struct ath11k_base *ab = ar->ab;
1003 	struct ath11k_dp *dp = &ab->dp;
1004 	struct sk_buff *skb;
1005 	struct htt_ppdu_stats_cfg_cmd *cmd;
1006 	int len = sizeof(*cmd);
1007 	u8 pdev_mask;
1008 	int ret;
1009 	int i;
1010 
1011 	for (i = 0; i < ab->hw_params.num_rxmda_per_pdev; i++) {
1012 		skb = ath11k_htc_alloc_skb(ab, len);
1013 		if (!skb)
1014 			return -ENOMEM;
1015 
1016 		skb_put(skb, len);
1017 		cmd = (struct htt_ppdu_stats_cfg_cmd *)skb->data;
1018 		cmd->msg = FIELD_PREP(HTT_PPDU_STATS_CFG_MSG_TYPE,
1019 				      HTT_H2T_MSG_TYPE_PPDU_STATS_CFG);
1020 
1021 		pdev_mask = 1 << (ar->pdev_idx + i);
1022 		cmd->msg |= FIELD_PREP(HTT_PPDU_STATS_CFG_PDEV_ID, pdev_mask);
1023 		cmd->msg |= FIELD_PREP(HTT_PPDU_STATS_CFG_TLV_TYPE_BITMASK, mask);
1024 
1025 		ret = ath11k_htc_send(&ab->htc, dp->eid, skb);
1026 		if (ret) {
1027 			dev_kfree_skb_any(skb);
1028 			return ret;
1029 		}
1030 	}
1031 
1032 	return 0;
1033 }
1034 
1035 int ath11k_dp_tx_htt_rx_filter_setup(struct ath11k_base *ab, u32 ring_id,
1036 				     int mac_id, enum hal_ring_type ring_type,
1037 				     int rx_buf_size,
1038 				     struct htt_rx_ring_tlv_filter *tlv_filter)
1039 {
1040 	struct htt_rx_ring_selection_cfg_cmd *cmd;
1041 	struct hal_srng *srng = &ab->hal.srng_list[ring_id];
1042 	struct hal_srng_params params;
1043 	struct sk_buff *skb;
1044 	int len = sizeof(*cmd);
1045 	enum htt_srng_ring_type htt_ring_type;
1046 	enum htt_srng_ring_id htt_ring_id;
1047 	int ret;
1048 
1049 	skb = ath11k_htc_alloc_skb(ab, len);
1050 	if (!skb)
1051 		return -ENOMEM;
1052 
1053 	memset(&params, 0, sizeof(params));
1054 	ath11k_hal_srng_get_params(ab, srng, &params);
1055 
1056 	ret = ath11k_dp_tx_get_ring_id_type(ab, mac_id, ring_id,
1057 					    ring_type, &htt_ring_type,
1058 					    &htt_ring_id);
1059 	if (ret)
1060 		goto err_free;
1061 
1062 	skb_put(skb, len);
1063 	cmd = (struct htt_rx_ring_selection_cfg_cmd *)skb->data;
1064 	cmd->info0 = FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_MSG_TYPE,
1065 				HTT_H2T_MSG_TYPE_RX_RING_SELECTION_CFG);
1066 	if (htt_ring_type == HTT_SW_TO_HW_RING ||
1067 	    htt_ring_type == HTT_HW_TO_SW_RING)
1068 		cmd->info0 |=
1069 			FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_PDEV_ID,
1070 				   DP_SW2HW_MACID(mac_id));
1071 	else
1072 		cmd->info0 |=
1073 			FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_PDEV_ID,
1074 				   mac_id);
1075 	cmd->info0 |= FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_RING_ID,
1076 				 htt_ring_id);
1077 	cmd->info0 |= FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_SS,
1078 				 !!(params.flags & HAL_SRNG_FLAGS_MSI_SWAP));
1079 	cmd->info0 |= FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_PS,
1080 				 !!(params.flags & HAL_SRNG_FLAGS_DATA_TLV_SWAP));
1081 
1082 	cmd->info1 = FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO1_BUF_SIZE,
1083 				rx_buf_size);
1084 	cmd->pkt_type_en_flags0 = tlv_filter->pkt_filter_flags0;
1085 	cmd->pkt_type_en_flags1 = tlv_filter->pkt_filter_flags1;
1086 	cmd->pkt_type_en_flags2 = tlv_filter->pkt_filter_flags2;
1087 	cmd->pkt_type_en_flags3 = tlv_filter->pkt_filter_flags3;
1088 	cmd->rx_filter_tlv = tlv_filter->rx_filter;
1089 
1090 	ret = ath11k_htc_send(&ab->htc, ab->dp.eid, skb);
1091 	if (ret)
1092 		goto err_free;
1093 
1094 	return 0;
1095 
1096 err_free:
1097 	dev_kfree_skb_any(skb);
1098 
1099 	return ret;
1100 }
1101 
1102 int
1103 ath11k_dp_tx_htt_h2t_ext_stats_req(struct ath11k *ar, u8 type,
1104 				   struct htt_ext_stats_cfg_params *cfg_params,
1105 				   u64 cookie)
1106 {
1107 	struct ath11k_base *ab = ar->ab;
1108 	struct ath11k_dp *dp = &ab->dp;
1109 	struct sk_buff *skb;
1110 	struct htt_ext_stats_cfg_cmd *cmd;
1111 	u32 pdev_id;
1112 	int len = sizeof(*cmd);
1113 	int ret;
1114 
1115 	skb = ath11k_htc_alloc_skb(ab, len);
1116 	if (!skb)
1117 		return -ENOMEM;
1118 
1119 	skb_put(skb, len);
1120 
1121 	cmd = (struct htt_ext_stats_cfg_cmd *)skb->data;
1122 	memset(cmd, 0, sizeof(*cmd));
1123 	cmd->hdr.msg_type = HTT_H2T_MSG_TYPE_EXT_STATS_CFG;
1124 
1125 	if (ab->hw_params.single_pdev_only)
1126 		pdev_id = ath11k_mac_get_target_pdev_id(ar);
1127 	else
1128 		pdev_id = ar->pdev->pdev_id;
1129 
1130 	cmd->hdr.pdev_mask = 1 << pdev_id;
1131 
1132 	cmd->hdr.stats_type = type;
1133 	cmd->cfg_param0 = cfg_params->cfg0;
1134 	cmd->cfg_param1 = cfg_params->cfg1;
1135 	cmd->cfg_param2 = cfg_params->cfg2;
1136 	cmd->cfg_param3 = cfg_params->cfg3;
1137 	cmd->cookie_lsb = lower_32_bits(cookie);
1138 	cmd->cookie_msb = upper_32_bits(cookie);
1139 
1140 	ret = ath11k_htc_send(&ab->htc, dp->eid, skb);
1141 	if (ret) {
1142 		ath11k_warn(ab, "failed to send htt type stats request: %d",
1143 			    ret);
1144 		dev_kfree_skb_any(skb);
1145 		return ret;
1146 	}
1147 
1148 	return 0;
1149 }
1150 
1151 int ath11k_dp_tx_htt_monitor_mode_ring_config(struct ath11k *ar, bool reset)
1152 {
1153 	struct ath11k_pdev_dp *dp = &ar->dp;
1154 	struct ath11k_base *ab = ar->ab;
1155 	struct htt_rx_ring_tlv_filter tlv_filter = {0};
1156 	int ret = 0, ring_id = 0, i;
1157 
1158 	if (ab->hw_params.full_monitor_mode) {
1159 		ret = ath11k_dp_tx_htt_rx_full_mon_setup(ab,
1160 							 dp->mac_id, !reset);
1161 		if (ret < 0) {
1162 			ath11k_err(ab, "failed to setup full monitor %d\n", ret);
1163 			return ret;
1164 		}
1165 	}
1166 
1167 	ring_id = dp->rxdma_mon_buf_ring.refill_buf_ring.ring_id;
1168 
1169 	if (!reset) {
1170 		tlv_filter.rx_filter = HTT_RX_MON_FILTER_TLV_FLAGS_MON_BUF_RING;
1171 		tlv_filter.pkt_filter_flags0 =
1172 					HTT_RX_MON_FP_MGMT_FILTER_FLAGS0 |
1173 					HTT_RX_MON_MO_MGMT_FILTER_FLAGS0;
1174 		tlv_filter.pkt_filter_flags1 =
1175 					HTT_RX_MON_FP_MGMT_FILTER_FLAGS1 |
1176 					HTT_RX_MON_MO_MGMT_FILTER_FLAGS1;
1177 		tlv_filter.pkt_filter_flags2 =
1178 					HTT_RX_MON_FP_CTRL_FILTER_FLASG2 |
1179 					HTT_RX_MON_MO_CTRL_FILTER_FLASG2;
1180 		tlv_filter.pkt_filter_flags3 =
1181 					HTT_RX_MON_FP_CTRL_FILTER_FLASG3 |
1182 					HTT_RX_MON_MO_CTRL_FILTER_FLASG3 |
1183 					HTT_RX_MON_FP_DATA_FILTER_FLASG3 |
1184 					HTT_RX_MON_MO_DATA_FILTER_FLASG3;
1185 	}
1186 
1187 	if (ab->hw_params.rxdma1_enable) {
1188 		ret = ath11k_dp_tx_htt_rx_filter_setup(ar->ab, ring_id, dp->mac_id,
1189 						       HAL_RXDMA_MONITOR_BUF,
1190 						       DP_RXDMA_REFILL_RING_SIZE,
1191 						       &tlv_filter);
1192 	} else if (!reset) {
1193 		/* set in monitor mode only */
1194 		for (i = 0; i < ab->hw_params.num_rxmda_per_pdev; i++) {
1195 			ring_id = dp->rx_mac_buf_ring[i].ring_id;
1196 			ret = ath11k_dp_tx_htt_rx_filter_setup(ar->ab, ring_id,
1197 							       dp->mac_id + i,
1198 							       HAL_RXDMA_BUF,
1199 							       1024,
1200 							       &tlv_filter);
1201 		}
1202 	}
1203 
1204 	if (ret)
1205 		return ret;
1206 
1207 	for (i = 0; i < ab->hw_params.num_rxmda_per_pdev; i++) {
1208 		ring_id = dp->rx_mon_status_refill_ring[i].refill_buf_ring.ring_id;
1209 		if (!reset) {
1210 			tlv_filter.rx_filter =
1211 					HTT_RX_MON_FILTER_TLV_FLAGS_MON_STATUS_RING;
1212 		} else {
1213 			tlv_filter = ath11k_mac_mon_status_filter_default;
1214 
1215 			if (ath11k_debugfs_is_extd_rx_stats_enabled(ar))
1216 				tlv_filter.rx_filter = ath11k_debugfs_rx_filter(ar);
1217 		}
1218 
1219 		ret = ath11k_dp_tx_htt_rx_filter_setup(ab, ring_id,
1220 						       dp->mac_id + i,
1221 						       HAL_RXDMA_MONITOR_STATUS,
1222 						       DP_RXDMA_REFILL_RING_SIZE,
1223 						       &tlv_filter);
1224 	}
1225 
1226 	if (!ar->ab->hw_params.rxdma1_enable)
1227 		mod_timer(&ar->ab->mon_reap_timer, jiffies +
1228 			  msecs_to_jiffies(ATH11K_MON_TIMER_INTERVAL));
1229 
1230 	return ret;
1231 }
1232 
1233 int ath11k_dp_tx_htt_rx_full_mon_setup(struct ath11k_base *ab, int mac_id,
1234 				       bool config)
1235 {
1236 	struct htt_rx_full_monitor_mode_cfg_cmd *cmd;
1237 	struct sk_buff *skb;
1238 	int ret, len = sizeof(*cmd);
1239 
1240 	skb = ath11k_htc_alloc_skb(ab, len);
1241 	if (!skb)
1242 		return -ENOMEM;
1243 
1244 	skb_put(skb, len);
1245 	cmd = (struct htt_rx_full_monitor_mode_cfg_cmd *)skb->data;
1246 	memset(cmd, 0, sizeof(*cmd));
1247 	cmd->info0 = FIELD_PREP(HTT_RX_FULL_MON_MODE_CFG_CMD_INFO0_MSG_TYPE,
1248 				HTT_H2T_MSG_TYPE_RX_FULL_MONITOR_MODE);
1249 
1250 	cmd->info0 |= FIELD_PREP(HTT_RX_FULL_MON_MODE_CFG_CMD_INFO0_PDEV_ID, mac_id);
1251 
1252 	cmd->cfg = HTT_RX_FULL_MON_MODE_CFG_CMD_CFG_ENABLE |
1253 		   FIELD_PREP(HTT_RX_FULL_MON_MODE_CFG_CMD_CFG_RELEASE_RING,
1254 			      HTT_RX_MON_RING_SW);
1255 	if (config) {
1256 		cmd->cfg |= HTT_RX_FULL_MON_MODE_CFG_CMD_CFG_ZERO_MPDUS_END |
1257 			    HTT_RX_FULL_MON_MODE_CFG_CMD_CFG_NON_ZERO_MPDUS_END;
1258 	}
1259 
1260 	ret = ath11k_htc_send(&ab->htc, ab->dp.eid, skb);
1261 	if (ret)
1262 		goto err_free;
1263 
1264 	return 0;
1265 
1266 err_free:
1267 	dev_kfree_skb_any(skb);
1268 
1269 	return ret;
1270 }
1271