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 
13 static enum hal_tcl_encap_type
ath11k_dp_tx_get_encap_type(struct ath11k_vif * arvif,struct sk_buff * skb)14 ath11k_dp_tx_get_encap_type(struct ath11k_vif *arvif, struct sk_buff *skb)
15 {
16 	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
17 	struct ath11k_base *ab = arvif->ar->ab;
18 
19 	if (test_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags))
20 		return HAL_TCL_ENCAP_TYPE_RAW;
21 
22 	if (tx_info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP)
23 		return HAL_TCL_ENCAP_TYPE_ETHERNET;
24 
25 	return HAL_TCL_ENCAP_TYPE_NATIVE_WIFI;
26 }
27 
ath11k_dp_tx_encap_nwifi(struct sk_buff * skb)28 static void ath11k_dp_tx_encap_nwifi(struct sk_buff *skb)
29 {
30 	struct ieee80211_hdr *hdr = (void *)skb->data;
31 	u8 *qos_ctl;
32 
33 	if (!ieee80211_is_data_qos(hdr->frame_control))
34 		return;
35 
36 	qos_ctl = ieee80211_get_qos_ctl(hdr);
37 	memmove(skb->data + IEEE80211_QOS_CTL_LEN,
38 		skb->data, (void *)qos_ctl - (void *)skb->data);
39 	skb_pull(skb, IEEE80211_QOS_CTL_LEN);
40 
41 	hdr = (void *)skb->data;
42 	hdr->frame_control &= ~__cpu_to_le16(IEEE80211_STYPE_QOS_DATA);
43 }
44 
ath11k_dp_tx_get_tid(struct sk_buff * skb)45 static u8 ath11k_dp_tx_get_tid(struct sk_buff *skb)
46 {
47 	struct ieee80211_hdr *hdr = (void *)skb->data;
48 	struct ath11k_skb_cb *cb = ATH11K_SKB_CB(skb);
49 
50 	if (cb->flags & ATH11K_SKB_HW_80211_ENCAP)
51 		return skb->priority & IEEE80211_QOS_CTL_TID_MASK;
52 	else if (!ieee80211_is_data_qos(hdr->frame_control))
53 		return HAL_DESC_REO_NON_QOS_TID;
54 	else
55 		return skb->priority & IEEE80211_QOS_CTL_TID_MASK;
56 }
57 
ath11k_dp_tx_get_encrypt_type(u32 cipher)58 enum hal_encrypt_type ath11k_dp_tx_get_encrypt_type(u32 cipher)
59 {
60 	switch (cipher) {
61 	case WLAN_CIPHER_SUITE_WEP40:
62 		return HAL_ENCRYPT_TYPE_WEP_40;
63 	case WLAN_CIPHER_SUITE_WEP104:
64 		return HAL_ENCRYPT_TYPE_WEP_104;
65 	case WLAN_CIPHER_SUITE_TKIP:
66 		return HAL_ENCRYPT_TYPE_TKIP_MIC;
67 	case WLAN_CIPHER_SUITE_CCMP:
68 		return HAL_ENCRYPT_TYPE_CCMP_128;
69 	case WLAN_CIPHER_SUITE_CCMP_256:
70 		return HAL_ENCRYPT_TYPE_CCMP_256;
71 	case WLAN_CIPHER_SUITE_GCMP:
72 		return HAL_ENCRYPT_TYPE_GCMP_128;
73 	case WLAN_CIPHER_SUITE_GCMP_256:
74 		return HAL_ENCRYPT_TYPE_AES_GCMP_256;
75 	default:
76 		return HAL_ENCRYPT_TYPE_OPEN;
77 	}
78 }
79 
ath11k_dp_tx(struct ath11k * ar,struct ath11k_vif * arvif,struct sk_buff * skb)80 int ath11k_dp_tx(struct ath11k *ar, struct ath11k_vif *arvif,
81 		 struct sk_buff *skb)
82 {
83 	struct ath11k_base *ab = ar->ab;
84 	struct ath11k_dp *dp = &ab->dp;
85 	struct hal_tx_info ti = {0};
86 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
87 	struct ieee80211_key_conf *key = info->control.hw_key;
88 	struct ath11k_skb_cb *skb_cb = ATH11K_SKB_CB(skb);
89 	struct hal_srng *tcl_ring;
90 	struct ieee80211_hdr *hdr = (void *)skb->data;
91 	struct dp_tx_ring *tx_ring;
92 	void *hal_tcl_desc;
93 	u8 pool_id;
94 	u8 hal_ring_id;
95 	int ret;
96 	u8 ring_selector = 0, ring_map = 0;
97 	bool tcl_ring_retry;
98 
99 	if (test_bit(ATH11K_FLAG_CRASH_FLUSH, &ar->ab->dev_flags))
100 		return -ESHUTDOWN;
101 
102 	if (!(info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP) &&
103 	    !ieee80211_is_data(hdr->frame_control))
104 		return -ENOTSUPP;
105 
106 	pool_id = skb_get_queue_mapping(skb) & (ATH11K_HW_MAX_QUEUES - 1);
107 
108 	/* Let the default ring selection be based on a round robin
109 	 * fashion where one of the 3 tcl rings are selected based on
110 	 * the tcl_ring_selector counter. In case that ring
111 	 * is full/busy, we resort to other available rings.
112 	 * If all rings are full, we drop the packet.
113 	 * //TODO Add throttling logic when all rings are full
114 	 */
115 	ring_selector = atomic_inc_return(&ab->tcl_ring_selector);
116 
117 tcl_ring_sel:
118 	tcl_ring_retry = false;
119 	/* For some chip, it can only use tcl0 to tx */
120 	if (ar->ab->hw_params.tcl_0_only)
121 		ti.ring_id = 0;
122 	else
123 		ti.ring_id = ring_selector % DP_TCL_NUM_RING_MAX;
124 
125 	ring_map |= BIT(ti.ring_id);
126 
127 	tx_ring = &dp->tx_ring[ti.ring_id];
128 
129 	spin_lock_bh(&tx_ring->tx_idr_lock);
130 	ret = idr_alloc(&tx_ring->txbuf_idr, skb, 0,
131 			DP_TX_IDR_SIZE - 1, GFP_ATOMIC);
132 	spin_unlock_bh(&tx_ring->tx_idr_lock);
133 
134 	if (ret < 0) {
135 		if (ring_map == (BIT(DP_TCL_NUM_RING_MAX) - 1)) {
136 			atomic_inc(&ab->soc_stats.tx_err.misc_fail);
137 			return -ENOSPC;
138 		}
139 
140 		/* Check if the next ring is available */
141 		ring_selector++;
142 		goto tcl_ring_sel;
143 	}
144 
145 	ti.desc_id = FIELD_PREP(DP_TX_DESC_ID_MAC_ID, ar->pdev_idx) |
146 		     FIELD_PREP(DP_TX_DESC_ID_MSDU_ID, ret) |
147 		     FIELD_PREP(DP_TX_DESC_ID_POOL_ID, pool_id);
148 	ti.encap_type = ath11k_dp_tx_get_encap_type(arvif, skb);
149 	ti.meta_data_flags = arvif->tcl_metadata;
150 
151 	if (ti.encap_type == HAL_TCL_ENCAP_TYPE_RAW) {
152 		if (key) {
153 			ti.encrypt_type =
154 				ath11k_dp_tx_get_encrypt_type(key->cipher);
155 
156 			if (ieee80211_has_protected(hdr->frame_control))
157 				skb_put(skb, IEEE80211_CCMP_MIC_LEN);
158 		} else {
159 			ti.encrypt_type = HAL_ENCRYPT_TYPE_OPEN;
160 		}
161 	}
162 
163 	ti.addr_search_flags = arvif->hal_addr_search_flags;
164 	ti.search_type = arvif->search_type;
165 	ti.type = HAL_TCL_DESC_TYPE_BUFFER;
166 	ti.pkt_offset = 0;
167 	ti.lmac_id = ar->lmac_id;
168 	ti.bss_ast_hash = arvif->ast_hash;
169 	ti.dscp_tid_tbl_idx = 0;
170 
171 	if (skb->ip_summed == CHECKSUM_PARTIAL &&
172 	    ti.encap_type != HAL_TCL_ENCAP_TYPE_RAW) {
173 		ti.flags0 |= FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_IP4_CKSUM_EN, 1) |
174 			     FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_UDP4_CKSUM_EN, 1) |
175 			     FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_UDP6_CKSUM_EN, 1) |
176 			     FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_TCP4_CKSUM_EN, 1) |
177 			     FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_TCP6_CKSUM_EN, 1);
178 	}
179 
180 	if (ieee80211_vif_is_mesh(arvif->vif))
181 		ti.flags1 |= FIELD_PREP(HAL_TCL_DATA_CMD_INFO2_MESH_ENABLE, 1);
182 
183 	ti.flags1 |= FIELD_PREP(HAL_TCL_DATA_CMD_INFO2_TID_OVERWRITE, 1);
184 
185 	ti.tid = ath11k_dp_tx_get_tid(skb);
186 
187 	switch (ti.encap_type) {
188 	case HAL_TCL_ENCAP_TYPE_NATIVE_WIFI:
189 		ath11k_dp_tx_encap_nwifi(skb);
190 		break;
191 	case HAL_TCL_ENCAP_TYPE_RAW:
192 		if (!test_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags)) {
193 			ret = -EINVAL;
194 			goto fail_remove_idr;
195 		}
196 		break;
197 	case HAL_TCL_ENCAP_TYPE_ETHERNET:
198 		/* no need to encap */
199 		break;
200 	case HAL_TCL_ENCAP_TYPE_802_3:
201 	default:
202 		/* TODO: Take care of other encap modes as well */
203 		ret = -EINVAL;
204 		atomic_inc(&ab->soc_stats.tx_err.misc_fail);
205 		goto fail_remove_idr;
206 	}
207 
208 	ti.paddr = dma_map_single(ab->dev, skb->data, skb->len, DMA_TO_DEVICE);
209 	if (dma_mapping_error(ab->dev, ti.paddr)) {
210 		atomic_inc(&ab->soc_stats.tx_err.misc_fail);
211 		ath11k_warn(ab, "failed to DMA map data Tx buffer\n");
212 		ret = -ENOMEM;
213 		goto fail_remove_idr;
214 	}
215 
216 	ti.data_len = skb->len;
217 	skb_cb->paddr = ti.paddr;
218 	skb_cb->vif = arvif->vif;
219 	skb_cb->ar = ar;
220 
221 	hal_ring_id = tx_ring->tcl_data_ring.ring_id;
222 	tcl_ring = &ab->hal.srng_list[hal_ring_id];
223 
224 	spin_lock_bh(&tcl_ring->lock);
225 
226 	ath11k_hal_srng_access_begin(ab, tcl_ring);
227 
228 	hal_tcl_desc = (void *)ath11k_hal_srng_src_get_next_entry(ab, tcl_ring);
229 	if (!hal_tcl_desc) {
230 		/* NOTE: It is highly unlikely we'll be running out of tcl_ring
231 		 * desc because the desc is directly enqueued onto hw queue.
232 		 */
233 		ath11k_hal_srng_access_end(ab, tcl_ring);
234 		ab->soc_stats.tx_err.desc_na[ti.ring_id]++;
235 		spin_unlock_bh(&tcl_ring->lock);
236 		ret = -ENOMEM;
237 
238 		/* Checking for available tcl descritors in another ring in
239 		 * case of failure due to full tcl ring now, is better than
240 		 * checking this ring earlier for each pkt tx.
241 		 * Restart ring selection if some rings are not checked yet.
242 		 */
243 		if (ring_map != (BIT(DP_TCL_NUM_RING_MAX) - 1) &&
244 		    !ar->ab->hw_params.tcl_0_only) {
245 			tcl_ring_retry = true;
246 			ring_selector++;
247 		}
248 
249 		goto fail_unmap_dma;
250 	}
251 
252 	ath11k_hal_tx_cmd_desc_setup(ab, hal_tcl_desc +
253 					 sizeof(struct hal_tlv_hdr), &ti);
254 
255 	ath11k_hal_srng_access_end(ab, tcl_ring);
256 
257 	ath11k_dp_shadow_start_timer(ab, tcl_ring, &dp->tx_ring_timer[ti.ring_id]);
258 
259 	spin_unlock_bh(&tcl_ring->lock);
260 
261 	ath11k_dbg_dump(ab, ATH11K_DBG_DP_TX, NULL, "dp tx msdu: ",
262 			skb->data, skb->len);
263 
264 	atomic_inc(&ar->dp.num_tx_pending);
265 
266 	return 0;
267 
268 fail_unmap_dma:
269 	dma_unmap_single(ab->dev, ti.paddr, ti.data_len, DMA_TO_DEVICE);
270 
271 fail_remove_idr:
272 	spin_lock_bh(&tx_ring->tx_idr_lock);
273 	idr_remove(&tx_ring->txbuf_idr,
274 		   FIELD_GET(DP_TX_DESC_ID_MSDU_ID, ti.desc_id));
275 	spin_unlock_bh(&tx_ring->tx_idr_lock);
276 
277 	if (tcl_ring_retry)
278 		goto tcl_ring_sel;
279 
280 	return ret;
281 }
282 
ath11k_dp_tx_free_txbuf(struct ath11k_base * ab,u8 mac_id,int msdu_id,struct dp_tx_ring * tx_ring)283 static void ath11k_dp_tx_free_txbuf(struct ath11k_base *ab, u8 mac_id,
284 				    int msdu_id,
285 				    struct dp_tx_ring *tx_ring)
286 {
287 	struct ath11k *ar;
288 	struct sk_buff *msdu;
289 	struct ath11k_skb_cb *skb_cb;
290 
291 	spin_lock_bh(&tx_ring->tx_idr_lock);
292 	msdu = idr_find(&tx_ring->txbuf_idr, msdu_id);
293 	if (!msdu) {
294 		ath11k_warn(ab, "tx completion for unknown msdu_id %d\n",
295 			    msdu_id);
296 		spin_unlock_bh(&tx_ring->tx_idr_lock);
297 		return;
298 	}
299 
300 	skb_cb = ATH11K_SKB_CB(msdu);
301 
302 	idr_remove(&tx_ring->txbuf_idr, msdu_id);
303 	spin_unlock_bh(&tx_ring->tx_idr_lock);
304 
305 	dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
306 	dev_kfree_skb_any(msdu);
307 
308 	ar = ab->pdevs[mac_id].ar;
309 	if (atomic_dec_and_test(&ar->dp.num_tx_pending))
310 		wake_up(&ar->dp.tx_empty_waitq);
311 }
312 
313 static void
ath11k_dp_tx_htt_tx_complete_buf(struct ath11k_base * ab,struct dp_tx_ring * tx_ring,struct ath11k_dp_htt_wbm_tx_status * ts)314 ath11k_dp_tx_htt_tx_complete_buf(struct ath11k_base *ab,
315 				 struct dp_tx_ring *tx_ring,
316 				 struct ath11k_dp_htt_wbm_tx_status *ts)
317 {
318 	struct sk_buff *msdu;
319 	struct ieee80211_tx_info *info;
320 	struct ath11k_skb_cb *skb_cb;
321 	struct ath11k *ar;
322 
323 	spin_lock_bh(&tx_ring->tx_idr_lock);
324 	msdu = idr_find(&tx_ring->txbuf_idr, ts->msdu_id);
325 	if (!msdu) {
326 		ath11k_warn(ab, "htt tx completion for unknown msdu_id %d\n",
327 			    ts->msdu_id);
328 		spin_unlock_bh(&tx_ring->tx_idr_lock);
329 		return;
330 	}
331 
332 	skb_cb = ATH11K_SKB_CB(msdu);
333 	info = IEEE80211_SKB_CB(msdu);
334 
335 	ar = skb_cb->ar;
336 
337 	idr_remove(&tx_ring->txbuf_idr, ts->msdu_id);
338 	spin_unlock_bh(&tx_ring->tx_idr_lock);
339 
340 	if (atomic_dec_and_test(&ar->dp.num_tx_pending))
341 		wake_up(&ar->dp.tx_empty_waitq);
342 
343 	dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
344 
345 	memset(&info->status, 0, sizeof(info->status));
346 
347 	if (ts->acked) {
348 		if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) {
349 			info->flags |= IEEE80211_TX_STAT_ACK;
350 			info->status.ack_signal = ATH11K_DEFAULT_NOISE_FLOOR +
351 						  ts->ack_rssi;
352 			info->status.is_valid_ack_signal = true;
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
ath11k_dp_tx_process_htt_tx_complete(struct ath11k_base * ab,void * desc,u8 mac_id,u32 msdu_id,struct dp_tx_ring * tx_ring)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 
ath11k_dp_tx_cache_peer_stats(struct ath11k * ar,struct sk_buff * msdu,struct hal_tx_status * ts)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 
ath11k_dp_tx_complete_msdu(struct ath11k * ar,struct sk_buff * msdu,struct hal_tx_status * ts)416 static void ath11k_dp_tx_complete_msdu(struct ath11k *ar,
417 				       struct sk_buff *msdu,
418 				       struct hal_tx_status *ts)
419 {
420 	struct ath11k_base *ab = ar->ab;
421 	struct ieee80211_tx_info *info;
422 	struct ath11k_skb_cb *skb_cb;
423 
424 	if (WARN_ON_ONCE(ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_TQM)) {
425 		/* Must not happen */
426 		return;
427 	}
428 
429 	skb_cb = ATH11K_SKB_CB(msdu);
430 
431 	dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
432 
433 	rcu_read_lock();
434 
435 	if (!rcu_dereference(ab->pdevs_active[ar->pdev_idx])) {
436 		dev_kfree_skb_any(msdu);
437 		goto exit;
438 	}
439 
440 	if (!skb_cb->vif) {
441 		dev_kfree_skb_any(msdu);
442 		goto exit;
443 	}
444 
445 	info = IEEE80211_SKB_CB(msdu);
446 	memset(&info->status, 0, sizeof(info->status));
447 
448 	/* skip tx rate update from ieee80211_status*/
449 	info->status.rates[0].idx = -1;
450 
451 	if (ts->status == HAL_WBM_TQM_REL_REASON_FRAME_ACKED &&
452 	    !(info->flags & IEEE80211_TX_CTL_NO_ACK)) {
453 		info->flags |= IEEE80211_TX_STAT_ACK;
454 		info->status.ack_signal = ATH11K_DEFAULT_NOISE_FLOOR +
455 					  ts->ack_rssi;
456 		info->status.is_valid_ack_signal = true;
457 	}
458 
459 	if (ts->status == HAL_WBM_TQM_REL_REASON_CMD_REMOVE_TX &&
460 	    (info->flags & IEEE80211_TX_CTL_NO_ACK))
461 		info->flags |= IEEE80211_TX_STAT_NOACK_TRANSMITTED;
462 
463 	if (ath11k_debugfs_is_extd_tx_stats_enabled(ar)) {
464 		if (ts->flags & HAL_TX_STATUS_FLAGS_FIRST_MSDU) {
465 			if (ar->last_ppdu_id == 0) {
466 				ar->last_ppdu_id = ts->ppdu_id;
467 			} else if (ar->last_ppdu_id == ts->ppdu_id ||
468 				   ar->cached_ppdu_id == ar->last_ppdu_id) {
469 				ar->cached_ppdu_id = ar->last_ppdu_id;
470 				ar->cached_stats.is_ampdu = true;
471 				ath11k_debugfs_sta_update_txcompl(ar, msdu, ts);
472 				memset(&ar->cached_stats, 0,
473 				       sizeof(struct ath11k_per_peer_tx_stats));
474 			} else {
475 				ar->cached_stats.is_ampdu = false;
476 				ath11k_debugfs_sta_update_txcompl(ar, msdu, ts);
477 				memset(&ar->cached_stats, 0,
478 				       sizeof(struct ath11k_per_peer_tx_stats));
479 			}
480 			ar->last_ppdu_id = ts->ppdu_id;
481 		}
482 
483 		ath11k_dp_tx_cache_peer_stats(ar, msdu, ts);
484 	}
485 
486 	/* NOTE: Tx rate status reporting. Tx completion status does not have
487 	 * necessary information (for example nss) to build the tx rate.
488 	 * Might end up reporting it out-of-band from HTT stats.
489 	 */
490 
491 	ieee80211_tx_status(ar->hw, msdu);
492 
493 exit:
494 	rcu_read_unlock();
495 }
496 
ath11k_dp_tx_status_parse(struct ath11k_base * ab,struct hal_wbm_release_ring * desc,struct hal_tx_status * ts)497 static inline void ath11k_dp_tx_status_parse(struct ath11k_base *ab,
498 					     struct hal_wbm_release_ring *desc,
499 					     struct hal_tx_status *ts)
500 {
501 	ts->buf_rel_source =
502 		FIELD_GET(HAL_WBM_RELEASE_INFO0_REL_SRC_MODULE, desc->info0);
503 	if (ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_FW &&
504 	    ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_TQM)
505 		return;
506 
507 	if (ts->buf_rel_source == HAL_WBM_REL_SRC_MODULE_FW)
508 		return;
509 
510 	ts->status = FIELD_GET(HAL_WBM_RELEASE_INFO0_TQM_RELEASE_REASON,
511 			       desc->info0);
512 	ts->ppdu_id = FIELD_GET(HAL_WBM_RELEASE_INFO1_TQM_STATUS_NUMBER,
513 				desc->info1);
514 	ts->try_cnt = FIELD_GET(HAL_WBM_RELEASE_INFO1_TRANSMIT_COUNT,
515 				desc->info1);
516 	ts->ack_rssi = FIELD_GET(HAL_WBM_RELEASE_INFO2_ACK_FRAME_RSSI,
517 				 desc->info2);
518 	if (desc->info2 & HAL_WBM_RELEASE_INFO2_FIRST_MSDU)
519 		ts->flags |= HAL_TX_STATUS_FLAGS_FIRST_MSDU;
520 	ts->peer_id = FIELD_GET(HAL_WBM_RELEASE_INFO3_PEER_ID, desc->info3);
521 	ts->tid = FIELD_GET(HAL_WBM_RELEASE_INFO3_TID, desc->info3);
522 	if (desc->rate_stats.info0 & HAL_TX_RATE_STATS_INFO0_VALID)
523 		ts->rate_stats = desc->rate_stats.info0;
524 	else
525 		ts->rate_stats = 0;
526 }
527 
ath11k_dp_tx_completion_handler(struct ath11k_base * ab,int ring_id)528 void ath11k_dp_tx_completion_handler(struct ath11k_base *ab, int ring_id)
529 {
530 	struct ath11k *ar;
531 	struct ath11k_dp *dp = &ab->dp;
532 	int hal_ring_id = dp->tx_ring[ring_id].tcl_comp_ring.ring_id;
533 	struct hal_srng *status_ring = &ab->hal.srng_list[hal_ring_id];
534 	struct sk_buff *msdu;
535 	struct hal_tx_status ts = { 0 };
536 	struct dp_tx_ring *tx_ring = &dp->tx_ring[ring_id];
537 	u32 *desc;
538 	u32 msdu_id;
539 	u8 mac_id;
540 
541 	spin_lock_bh(&status_ring->lock);
542 
543 	ath11k_hal_srng_access_begin(ab, status_ring);
544 
545 	while ((ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_head) !=
546 		tx_ring->tx_status_tail) &&
547 	       (desc = ath11k_hal_srng_dst_get_next_entry(ab, status_ring))) {
548 		memcpy(&tx_ring->tx_status[tx_ring->tx_status_head],
549 		       desc, sizeof(struct hal_wbm_release_ring));
550 		tx_ring->tx_status_head =
551 			ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_head);
552 	}
553 
554 	if ((ath11k_hal_srng_dst_peek(ab, status_ring) != NULL) &&
555 	    (ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_head) == tx_ring->tx_status_tail)) {
556 		/* TODO: Process pending tx_status messages when kfifo_is_full() */
557 		ath11k_warn(ab, "Unable to process some of the tx_status ring desc because status_fifo is full\n");
558 	}
559 
560 	ath11k_hal_srng_access_end(ab, status_ring);
561 
562 	spin_unlock_bh(&status_ring->lock);
563 
564 	while (ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_tail) != tx_ring->tx_status_head) {
565 		struct hal_wbm_release_ring *tx_status;
566 		u32 desc_id;
567 
568 		tx_ring->tx_status_tail =
569 			ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_tail);
570 		tx_status = &tx_ring->tx_status[tx_ring->tx_status_tail];
571 		ath11k_dp_tx_status_parse(ab, tx_status, &ts);
572 
573 		desc_id = FIELD_GET(BUFFER_ADDR_INFO1_SW_COOKIE,
574 				    tx_status->buf_addr_info.info1);
575 		mac_id = FIELD_GET(DP_TX_DESC_ID_MAC_ID, desc_id);
576 		msdu_id = FIELD_GET(DP_TX_DESC_ID_MSDU_ID, desc_id);
577 
578 		if (ts.buf_rel_source == HAL_WBM_REL_SRC_MODULE_FW) {
579 			ath11k_dp_tx_process_htt_tx_complete(ab,
580 							     (void *)tx_status,
581 							     mac_id, msdu_id,
582 							     tx_ring);
583 			continue;
584 		}
585 
586 		spin_lock_bh(&tx_ring->tx_idr_lock);
587 		msdu = idr_find(&tx_ring->txbuf_idr, msdu_id);
588 		if (!msdu) {
589 			ath11k_warn(ab, "tx completion for unknown msdu_id %d\n",
590 				    msdu_id);
591 			spin_unlock_bh(&tx_ring->tx_idr_lock);
592 			continue;
593 		}
594 		idr_remove(&tx_ring->txbuf_idr, msdu_id);
595 		spin_unlock_bh(&tx_ring->tx_idr_lock);
596 
597 		ar = ab->pdevs[mac_id].ar;
598 
599 		if (atomic_dec_and_test(&ar->dp.num_tx_pending))
600 			wake_up(&ar->dp.tx_empty_waitq);
601 
602 		ath11k_dp_tx_complete_msdu(ar, msdu, &ts);
603 	}
604 }
605 
ath11k_dp_tx_send_reo_cmd(struct ath11k_base * ab,struct dp_rx_tid * rx_tid,enum hal_reo_cmd_type type,struct ath11k_hal_reo_cmd * cmd,void (* cb)(struct ath11k_dp *,void *,enum hal_reo_cmd_status))606 int ath11k_dp_tx_send_reo_cmd(struct ath11k_base *ab, struct dp_rx_tid *rx_tid,
607 			      enum hal_reo_cmd_type type,
608 			      struct ath11k_hal_reo_cmd *cmd,
609 			      void (*cb)(struct ath11k_dp *, void *,
610 					 enum hal_reo_cmd_status))
611 {
612 	struct ath11k_dp *dp = &ab->dp;
613 	struct dp_reo_cmd *dp_cmd;
614 	struct hal_srng *cmd_ring;
615 	int cmd_num;
616 
617 	cmd_ring = &ab->hal.srng_list[dp->reo_cmd_ring.ring_id];
618 	cmd_num = ath11k_hal_reo_cmd_send(ab, cmd_ring, type, cmd);
619 
620 	/* cmd_num should start from 1, during failure return the error code */
621 	if (cmd_num < 0)
622 		return cmd_num;
623 
624 	/* reo cmd ring descriptors has cmd_num starting from 1 */
625 	if (cmd_num == 0)
626 		return -EINVAL;
627 
628 	if (!cb)
629 		return 0;
630 
631 	/* Can this be optimized so that we keep the pending command list only
632 	 * for tid delete command to free up the resoruce on the command status
633 	 * indication?
634 	 */
635 	dp_cmd = kzalloc(sizeof(*dp_cmd), GFP_ATOMIC);
636 
637 	if (!dp_cmd)
638 		return -ENOMEM;
639 
640 	memcpy(&dp_cmd->data, rx_tid, sizeof(struct dp_rx_tid));
641 	dp_cmd->cmd_num = cmd_num;
642 	dp_cmd->handler = cb;
643 
644 	spin_lock_bh(&dp->reo_cmd_lock);
645 	list_add_tail(&dp_cmd->list, &dp->reo_cmd_list);
646 	spin_unlock_bh(&dp->reo_cmd_lock);
647 
648 	return 0;
649 }
650 
651 static int
ath11k_dp_tx_get_ring_id_type(struct ath11k_base * ab,int mac_id,u32 ring_id,enum hal_ring_type ring_type,enum htt_srng_ring_type * htt_ring_type,enum htt_srng_ring_id * htt_ring_id)652 ath11k_dp_tx_get_ring_id_type(struct ath11k_base *ab,
653 			      int mac_id, u32 ring_id,
654 			      enum hal_ring_type ring_type,
655 			      enum htt_srng_ring_type *htt_ring_type,
656 			      enum htt_srng_ring_id *htt_ring_id)
657 {
658 	int lmac_ring_id_offset = 0;
659 	int ret = 0;
660 
661 	switch (ring_type) {
662 	case HAL_RXDMA_BUF:
663 		lmac_ring_id_offset = mac_id * HAL_SRNG_RINGS_PER_LMAC;
664 
665 		/* for QCA6390, host fills rx buffer to fw and fw fills to
666 		 * rxbuf ring for each rxdma
667 		 */
668 		if (!ab->hw_params.rx_mac_buf_ring) {
669 			if (!(ring_id == (HAL_SRNG_RING_ID_WMAC1_SW2RXDMA0_BUF +
670 					  lmac_ring_id_offset) ||
671 				ring_id == (HAL_SRNG_RING_ID_WMAC1_SW2RXDMA1_BUF +
672 					lmac_ring_id_offset))) {
673 				ret = -EINVAL;
674 			}
675 			*htt_ring_id = HTT_RXDMA_HOST_BUF_RING;
676 			*htt_ring_type = HTT_SW_TO_HW_RING;
677 		} else {
678 			if (ring_id == HAL_SRNG_RING_ID_WMAC1_SW2RXDMA0_BUF) {
679 				*htt_ring_id = HTT_HOST1_TO_FW_RXBUF_RING;
680 				*htt_ring_type = HTT_SW_TO_SW_RING;
681 			} else {
682 				*htt_ring_id = HTT_RXDMA_HOST_BUF_RING;
683 				*htt_ring_type = HTT_SW_TO_HW_RING;
684 			}
685 		}
686 		break;
687 	case HAL_RXDMA_DST:
688 		*htt_ring_id = HTT_RXDMA_NON_MONITOR_DEST_RING;
689 		*htt_ring_type = HTT_HW_TO_SW_RING;
690 		break;
691 	case HAL_RXDMA_MONITOR_BUF:
692 		*htt_ring_id = HTT_RXDMA_MONITOR_BUF_RING;
693 		*htt_ring_type = HTT_SW_TO_HW_RING;
694 		break;
695 	case HAL_RXDMA_MONITOR_STATUS:
696 		*htt_ring_id = HTT_RXDMA_MONITOR_STATUS_RING;
697 		*htt_ring_type = HTT_SW_TO_HW_RING;
698 		break;
699 	case HAL_RXDMA_MONITOR_DST:
700 		*htt_ring_id = HTT_RXDMA_MONITOR_DEST_RING;
701 		*htt_ring_type = HTT_HW_TO_SW_RING;
702 		break;
703 	case HAL_RXDMA_MONITOR_DESC:
704 		*htt_ring_id = HTT_RXDMA_MONITOR_DESC_RING;
705 		*htt_ring_type = HTT_SW_TO_HW_RING;
706 		break;
707 	default:
708 		ath11k_warn(ab, "Unsupported ring type in DP :%d\n", ring_type);
709 		ret = -EINVAL;
710 	}
711 	return ret;
712 }
713 
ath11k_dp_tx_htt_srng_setup(struct ath11k_base * ab,u32 ring_id,int mac_id,enum hal_ring_type ring_type)714 int ath11k_dp_tx_htt_srng_setup(struct ath11k_base *ab, u32 ring_id,
715 				int mac_id, enum hal_ring_type ring_type)
716 {
717 	struct htt_srng_setup_cmd *cmd;
718 	struct hal_srng *srng = &ab->hal.srng_list[ring_id];
719 	struct hal_srng_params params;
720 	struct sk_buff *skb;
721 	u32 ring_entry_sz;
722 	int len = sizeof(*cmd);
723 	dma_addr_t hp_addr, tp_addr;
724 	enum htt_srng_ring_type htt_ring_type;
725 	enum htt_srng_ring_id htt_ring_id;
726 	int ret;
727 
728 	skb = ath11k_htc_alloc_skb(ab, len);
729 	if (!skb)
730 		return -ENOMEM;
731 
732 	memset(&params, 0, sizeof(params));
733 	ath11k_hal_srng_get_params(ab, srng, &params);
734 
735 	hp_addr = ath11k_hal_srng_get_hp_addr(ab, srng);
736 	tp_addr = ath11k_hal_srng_get_tp_addr(ab, srng);
737 
738 	ret = ath11k_dp_tx_get_ring_id_type(ab, mac_id, ring_id,
739 					    ring_type, &htt_ring_type,
740 					    &htt_ring_id);
741 	if (ret)
742 		goto err_free;
743 
744 	skb_put(skb, len);
745 	cmd = (struct htt_srng_setup_cmd *)skb->data;
746 	cmd->info0 = FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_MSG_TYPE,
747 				HTT_H2T_MSG_TYPE_SRING_SETUP);
748 	if (htt_ring_type == HTT_SW_TO_HW_RING ||
749 	    htt_ring_type == HTT_HW_TO_SW_RING)
750 		cmd->info0 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_PDEV_ID,
751 					 DP_SW2HW_MACID(mac_id));
752 	else
753 		cmd->info0 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_PDEV_ID,
754 					 mac_id);
755 	cmd->info0 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_RING_TYPE,
756 				 htt_ring_type);
757 	cmd->info0 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_RING_ID, htt_ring_id);
758 
759 	cmd->ring_base_addr_lo = params.ring_base_paddr &
760 				 HAL_ADDR_LSB_REG_MASK;
761 
762 	cmd->ring_base_addr_hi = (u64)params.ring_base_paddr >>
763 				 HAL_ADDR_MSB_REG_SHIFT;
764 
765 	ret = ath11k_hal_srng_get_entrysize(ab, ring_type);
766 	if (ret < 0)
767 		goto err_free;
768 
769 	ring_entry_sz = ret;
770 
771 	ring_entry_sz >>= 2;
772 	cmd->info1 = FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO1_RING_ENTRY_SIZE,
773 				ring_entry_sz);
774 	cmd->info1 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO1_RING_SIZE,
775 				 params.num_entries * ring_entry_sz);
776 	cmd->info1 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO1_RING_FLAGS_MSI_SWAP,
777 				 !!(params.flags & HAL_SRNG_FLAGS_MSI_SWAP));
778 	cmd->info1 |= FIELD_PREP(
779 			HTT_SRNG_SETUP_CMD_INFO1_RING_FLAGS_TLV_SWAP,
780 			!!(params.flags & HAL_SRNG_FLAGS_DATA_TLV_SWAP));
781 	cmd->info1 |= FIELD_PREP(
782 			HTT_SRNG_SETUP_CMD_INFO1_RING_FLAGS_HOST_FW_SWAP,
783 			!!(params.flags & HAL_SRNG_FLAGS_RING_PTR_SWAP));
784 	if (htt_ring_type == HTT_SW_TO_HW_RING)
785 		cmd->info1 |= HTT_SRNG_SETUP_CMD_INFO1_RING_LOOP_CNT_DIS;
786 
787 	cmd->ring_head_off32_remote_addr_lo = hp_addr & HAL_ADDR_LSB_REG_MASK;
788 	cmd->ring_head_off32_remote_addr_hi = (u64)hp_addr >>
789 					      HAL_ADDR_MSB_REG_SHIFT;
790 
791 	cmd->ring_tail_off32_remote_addr_lo = tp_addr & HAL_ADDR_LSB_REG_MASK;
792 	cmd->ring_tail_off32_remote_addr_hi = (u64)tp_addr >>
793 					      HAL_ADDR_MSB_REG_SHIFT;
794 
795 	cmd->ring_msi_addr_lo = params.msi_addr & 0xffffffff;
796 	cmd->ring_msi_addr_hi = ((uint64_t)(params.msi_addr) >> 32) & 0xffffffff;
797 	cmd->msi_data = params.msi_data;
798 
799 	cmd->intr_info = FIELD_PREP(
800 			HTT_SRNG_SETUP_CMD_INTR_INFO_BATCH_COUNTER_THRESH,
801 			params.intr_batch_cntr_thres_entries * ring_entry_sz);
802 	cmd->intr_info |= FIELD_PREP(
803 			HTT_SRNG_SETUP_CMD_INTR_INFO_INTR_TIMER_THRESH,
804 			params.intr_timer_thres_us >> 3);
805 
806 	cmd->info2 = 0;
807 	if (params.flags & HAL_SRNG_FLAGS_LOW_THRESH_INTR_EN) {
808 		cmd->info2 = FIELD_PREP(
809 				HTT_SRNG_SETUP_CMD_INFO2_INTR_LOW_THRESH,
810 				params.low_threshold);
811 	}
812 
813 	ath11k_dbg(ab, ATH11k_DBG_HAL,
814 		   "%s msi_addr_lo:0x%x, msi_addr_hi:0x%x, msi_data:0x%x\n",
815 		   __func__, cmd->ring_msi_addr_lo, cmd->ring_msi_addr_hi,
816 		   cmd->msi_data);
817 
818 	ath11k_dbg(ab, ATH11k_DBG_HAL,
819 		   "ring_id:%d, ring_type:%d, intr_info:0x%x, flags:0x%x\n",
820 		   ring_id, ring_type, cmd->intr_info, cmd->info2);
821 
822 	ret = ath11k_htc_send(&ab->htc, ab->dp.eid, skb);
823 	if (ret)
824 		goto err_free;
825 
826 	return 0;
827 
828 err_free:
829 	dev_kfree_skb_any(skb);
830 
831 	return ret;
832 }
833 
834 #define HTT_TARGET_VERSION_TIMEOUT_HZ (3 * HZ)
835 
ath11k_dp_tx_htt_h2t_ver_req_msg(struct ath11k_base * ab)836 int ath11k_dp_tx_htt_h2t_ver_req_msg(struct ath11k_base *ab)
837 {
838 	struct ath11k_dp *dp = &ab->dp;
839 	struct sk_buff *skb;
840 	struct htt_ver_req_cmd *cmd;
841 	int len = sizeof(*cmd);
842 	int ret;
843 
844 	init_completion(&dp->htt_tgt_version_received);
845 
846 	skb = ath11k_htc_alloc_skb(ab, len);
847 	if (!skb)
848 		return -ENOMEM;
849 
850 	skb_put(skb, len);
851 	cmd = (struct htt_ver_req_cmd *)skb->data;
852 	cmd->ver_reg_info = FIELD_PREP(HTT_VER_REQ_INFO_MSG_ID,
853 				       HTT_H2T_MSG_TYPE_VERSION_REQ);
854 
855 	ret = ath11k_htc_send(&ab->htc, dp->eid, skb);
856 	if (ret) {
857 		dev_kfree_skb_any(skb);
858 		return ret;
859 	}
860 
861 	ret = wait_for_completion_timeout(&dp->htt_tgt_version_received,
862 					  HTT_TARGET_VERSION_TIMEOUT_HZ);
863 	if (ret == 0) {
864 		ath11k_warn(ab, "htt target version request timed out\n");
865 		return -ETIMEDOUT;
866 	}
867 
868 	if (dp->htt_tgt_ver_major != HTT_TARGET_VERSION_MAJOR) {
869 		ath11k_err(ab, "unsupported htt major version %d supported version is %d\n",
870 			   dp->htt_tgt_ver_major, HTT_TARGET_VERSION_MAJOR);
871 		return -ENOTSUPP;
872 	}
873 
874 	return 0;
875 }
876 
ath11k_dp_tx_htt_h2t_ppdu_stats_req(struct ath11k * ar,u32 mask)877 int ath11k_dp_tx_htt_h2t_ppdu_stats_req(struct ath11k *ar, u32 mask)
878 {
879 	struct ath11k_base *ab = ar->ab;
880 	struct ath11k_dp *dp = &ab->dp;
881 	struct sk_buff *skb;
882 	struct htt_ppdu_stats_cfg_cmd *cmd;
883 	int len = sizeof(*cmd);
884 	u8 pdev_mask;
885 	int ret;
886 	int i;
887 
888 	for (i = 0; i < ab->hw_params.num_rxmda_per_pdev; i++) {
889 		skb = ath11k_htc_alloc_skb(ab, len);
890 		if (!skb)
891 			return -ENOMEM;
892 
893 		skb_put(skb, len);
894 		cmd = (struct htt_ppdu_stats_cfg_cmd *)skb->data;
895 		cmd->msg = FIELD_PREP(HTT_PPDU_STATS_CFG_MSG_TYPE,
896 				      HTT_H2T_MSG_TYPE_PPDU_STATS_CFG);
897 
898 		pdev_mask = 1 << (i + 1);
899 		cmd->msg |= FIELD_PREP(HTT_PPDU_STATS_CFG_PDEV_ID, pdev_mask);
900 		cmd->msg |= FIELD_PREP(HTT_PPDU_STATS_CFG_TLV_TYPE_BITMASK, mask);
901 
902 		ret = ath11k_htc_send(&ab->htc, dp->eid, skb);
903 		if (ret) {
904 			dev_kfree_skb_any(skb);
905 			return ret;
906 		}
907 	}
908 
909 	return 0;
910 }
911 
ath11k_dp_tx_htt_rx_filter_setup(struct ath11k_base * ab,u32 ring_id,int mac_id,enum hal_ring_type ring_type,int rx_buf_size,struct htt_rx_ring_tlv_filter * tlv_filter)912 int ath11k_dp_tx_htt_rx_filter_setup(struct ath11k_base *ab, u32 ring_id,
913 				     int mac_id, enum hal_ring_type ring_type,
914 				     int rx_buf_size,
915 				     struct htt_rx_ring_tlv_filter *tlv_filter)
916 {
917 	struct htt_rx_ring_selection_cfg_cmd *cmd;
918 	struct hal_srng *srng = &ab->hal.srng_list[ring_id];
919 	struct hal_srng_params params;
920 	struct sk_buff *skb;
921 	int len = sizeof(*cmd);
922 	enum htt_srng_ring_type htt_ring_type;
923 	enum htt_srng_ring_id htt_ring_id;
924 	int ret;
925 
926 	skb = ath11k_htc_alloc_skb(ab, len);
927 	if (!skb)
928 		return -ENOMEM;
929 
930 	memset(&params, 0, sizeof(params));
931 	ath11k_hal_srng_get_params(ab, srng, &params);
932 
933 	ret = ath11k_dp_tx_get_ring_id_type(ab, mac_id, ring_id,
934 					    ring_type, &htt_ring_type,
935 					    &htt_ring_id);
936 	if (ret)
937 		goto err_free;
938 
939 	skb_put(skb, len);
940 	cmd = (struct htt_rx_ring_selection_cfg_cmd *)skb->data;
941 	cmd->info0 = FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_MSG_TYPE,
942 				HTT_H2T_MSG_TYPE_RX_RING_SELECTION_CFG);
943 	if (htt_ring_type == HTT_SW_TO_HW_RING ||
944 	    htt_ring_type == HTT_HW_TO_SW_RING)
945 		cmd->info0 |=
946 			FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_PDEV_ID,
947 				   DP_SW2HW_MACID(mac_id));
948 	else
949 		cmd->info0 |=
950 			FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_PDEV_ID,
951 				   mac_id);
952 	cmd->info0 |= FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_RING_ID,
953 				 htt_ring_id);
954 	cmd->info0 |= FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_SS,
955 				 !!(params.flags & HAL_SRNG_FLAGS_MSI_SWAP));
956 	cmd->info0 |= FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_PS,
957 				 !!(params.flags & HAL_SRNG_FLAGS_DATA_TLV_SWAP));
958 
959 	cmd->info1 = FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO1_BUF_SIZE,
960 				rx_buf_size);
961 	cmd->pkt_type_en_flags0 = tlv_filter->pkt_filter_flags0;
962 	cmd->pkt_type_en_flags1 = tlv_filter->pkt_filter_flags1;
963 	cmd->pkt_type_en_flags2 = tlv_filter->pkt_filter_flags2;
964 	cmd->pkt_type_en_flags3 = tlv_filter->pkt_filter_flags3;
965 	cmd->rx_filter_tlv = tlv_filter->rx_filter;
966 
967 	ret = ath11k_htc_send(&ab->htc, ab->dp.eid, skb);
968 	if (ret)
969 		goto err_free;
970 
971 	return 0;
972 
973 err_free:
974 	dev_kfree_skb_any(skb);
975 
976 	return ret;
977 }
978 
979 int
ath11k_dp_tx_htt_h2t_ext_stats_req(struct ath11k * ar,u8 type,struct htt_ext_stats_cfg_params * cfg_params,u64 cookie)980 ath11k_dp_tx_htt_h2t_ext_stats_req(struct ath11k *ar, u8 type,
981 				   struct htt_ext_stats_cfg_params *cfg_params,
982 				   u64 cookie)
983 {
984 	struct ath11k_base *ab = ar->ab;
985 	struct ath11k_dp *dp = &ab->dp;
986 	struct sk_buff *skb;
987 	struct htt_ext_stats_cfg_cmd *cmd;
988 	int len = sizeof(*cmd);
989 	int ret;
990 
991 	skb = ath11k_htc_alloc_skb(ab, len);
992 	if (!skb)
993 		return -ENOMEM;
994 
995 	skb_put(skb, len);
996 
997 	cmd = (struct htt_ext_stats_cfg_cmd *)skb->data;
998 	memset(cmd, 0, sizeof(*cmd));
999 	cmd->hdr.msg_type = HTT_H2T_MSG_TYPE_EXT_STATS_CFG;
1000 
1001 	cmd->hdr.pdev_mask = 1 << ar->pdev->pdev_id;
1002 
1003 	cmd->hdr.stats_type = type;
1004 	cmd->cfg_param0 = cfg_params->cfg0;
1005 	cmd->cfg_param1 = cfg_params->cfg1;
1006 	cmd->cfg_param2 = cfg_params->cfg2;
1007 	cmd->cfg_param3 = cfg_params->cfg3;
1008 	cmd->cookie_lsb = lower_32_bits(cookie);
1009 	cmd->cookie_msb = upper_32_bits(cookie);
1010 
1011 	ret = ath11k_htc_send(&ab->htc, dp->eid, skb);
1012 	if (ret) {
1013 		ath11k_warn(ab, "failed to send htt type stats request: %d",
1014 			    ret);
1015 		dev_kfree_skb_any(skb);
1016 		return ret;
1017 	}
1018 
1019 	return 0;
1020 }
1021 
ath11k_dp_tx_htt_monitor_mode_ring_config(struct ath11k * ar,bool reset)1022 int ath11k_dp_tx_htt_monitor_mode_ring_config(struct ath11k *ar, bool reset)
1023 {
1024 	struct ath11k_pdev_dp *dp = &ar->dp;
1025 	struct ath11k_base *ab = ar->ab;
1026 	struct htt_rx_ring_tlv_filter tlv_filter = {0};
1027 	int ret = 0, ring_id = 0, i;
1028 
1029 	ring_id = dp->rxdma_mon_buf_ring.refill_buf_ring.ring_id;
1030 
1031 	if (!reset) {
1032 		tlv_filter.rx_filter = HTT_RX_MON_FILTER_TLV_FLAGS_MON_BUF_RING;
1033 		tlv_filter.pkt_filter_flags0 =
1034 					HTT_RX_MON_FP_MGMT_FILTER_FLAGS0 |
1035 					HTT_RX_MON_MO_MGMT_FILTER_FLAGS0;
1036 		tlv_filter.pkt_filter_flags1 =
1037 					HTT_RX_MON_FP_MGMT_FILTER_FLAGS1 |
1038 					HTT_RX_MON_MO_MGMT_FILTER_FLAGS1;
1039 		tlv_filter.pkt_filter_flags2 =
1040 					HTT_RX_MON_FP_CTRL_FILTER_FLASG2 |
1041 					HTT_RX_MON_MO_CTRL_FILTER_FLASG2;
1042 		tlv_filter.pkt_filter_flags3 =
1043 					HTT_RX_MON_FP_CTRL_FILTER_FLASG3 |
1044 					HTT_RX_MON_MO_CTRL_FILTER_FLASG3 |
1045 					HTT_RX_MON_FP_DATA_FILTER_FLASG3 |
1046 					HTT_RX_MON_MO_DATA_FILTER_FLASG3;
1047 	}
1048 
1049 	if (ab->hw_params.rxdma1_enable) {
1050 		ret = ath11k_dp_tx_htt_rx_filter_setup(ar->ab, ring_id, dp->mac_id,
1051 						       HAL_RXDMA_MONITOR_BUF,
1052 						       DP_RXDMA_REFILL_RING_SIZE,
1053 						       &tlv_filter);
1054 	} else if (!reset) {
1055 		/* set in monitor mode only */
1056 		for (i = 0; i < ab->hw_params.num_rxmda_per_pdev; i++) {
1057 			ring_id = dp->rx_mac_buf_ring[i].ring_id;
1058 			ret = ath11k_dp_tx_htt_rx_filter_setup(ar->ab, ring_id,
1059 							       dp->mac_id + i,
1060 							       HAL_RXDMA_BUF,
1061 							       1024,
1062 							       &tlv_filter);
1063 		}
1064 	}
1065 
1066 	if (ret)
1067 		return ret;
1068 
1069 	for (i = 0; i < ab->hw_params.num_rxmda_per_pdev; i++) {
1070 		ring_id = dp->rx_mon_status_refill_ring[i].refill_buf_ring.ring_id;
1071 		if (!reset)
1072 			tlv_filter.rx_filter =
1073 					HTT_RX_MON_FILTER_TLV_FLAGS_MON_STATUS_RING;
1074 		else
1075 			tlv_filter = ath11k_mac_mon_status_filter_default;
1076 
1077 		ret = ath11k_dp_tx_htt_rx_filter_setup(ab, ring_id,
1078 						       dp->mac_id + i,
1079 						       HAL_RXDMA_MONITOR_STATUS,
1080 						       DP_RXDMA_REFILL_RING_SIZE,
1081 						       &tlv_filter);
1082 	}
1083 
1084 	if (!ar->ab->hw_params.rxdma1_enable)
1085 		mod_timer(&ar->ab->mon_reap_timer, jiffies +
1086 			  msecs_to_jiffies(ATH11K_MON_TIMER_INTERVAL));
1087 
1088 	return ret;
1089 }
1090