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
ath11k_dp_tx_get_encap_type(struct ath11k_vif * arvif,struct sk_buff * skb)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
ath11k_dp_tx_encap_nwifi(struct sk_buff * skb)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 skb->data, (void *)qos_ctl - (void *)skb->data);
40 skb_pull(skb, IEEE80211_QOS_CTL_LEN);
41
42 hdr = (void *)skb->data;
43 hdr->frame_control &= ~__cpu_to_le16(IEEE80211_STYPE_QOS_DATA);
44 }
45
ath11k_dp_tx_get_tid(struct sk_buff * skb)46 static u8 ath11k_dp_tx_get_tid(struct sk_buff *skb)
47 {
48 struct ieee80211_hdr *hdr = (void *)skb->data;
49 struct ath11k_skb_cb *cb = ATH11K_SKB_CB(skb);
50
51 if (cb->flags & ATH11K_SKB_HW_80211_ENCAP)
52 return skb->priority & IEEE80211_QOS_CTL_TID_MASK;
53 else if (!ieee80211_is_data_qos(hdr->frame_control))
54 return HAL_DESC_REO_NON_QOS_TID;
55 else
56 return skb->priority & IEEE80211_QOS_CTL_TID_MASK;
57 }
58
ath11k_dp_tx_get_encrypt_type(u32 cipher)59 enum hal_encrypt_type ath11k_dp_tx_get_encrypt_type(u32 cipher)
60 {
61 switch (cipher) {
62 case WLAN_CIPHER_SUITE_WEP40:
63 return HAL_ENCRYPT_TYPE_WEP_40;
64 case WLAN_CIPHER_SUITE_WEP104:
65 return HAL_ENCRYPT_TYPE_WEP_104;
66 case WLAN_CIPHER_SUITE_TKIP:
67 return HAL_ENCRYPT_TYPE_TKIP_MIC;
68 case WLAN_CIPHER_SUITE_CCMP:
69 return HAL_ENCRYPT_TYPE_CCMP_128;
70 case WLAN_CIPHER_SUITE_CCMP_256:
71 return HAL_ENCRYPT_TYPE_CCMP_256;
72 case WLAN_CIPHER_SUITE_GCMP:
73 return HAL_ENCRYPT_TYPE_GCMP_128;
74 case WLAN_CIPHER_SUITE_GCMP_256:
75 return HAL_ENCRYPT_TYPE_AES_GCMP_256;
76 default:
77 return HAL_ENCRYPT_TYPE_OPEN;
78 }
79 }
80
ath11k_dp_tx(struct ath11k * ar,struct ath11k_vif * arvif,struct ath11k_sta * arsta,struct sk_buff * skb)81 int ath11k_dp_tx(struct ath11k *ar, struct ath11k_vif *arvif,
82 struct ath11k_sta *arsta, struct sk_buff *skb)
83 {
84 struct ath11k_base *ab = ar->ab;
85 struct ath11k_dp *dp = &ab->dp;
86 struct hal_tx_info ti = {0};
87 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
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 (unlikely(test_bit(ATH11K_FLAG_CRASH_FLUSH, &ar->ab->dev_flags)))
100 return -ESHUTDOWN;
101
102 if (unlikely(!(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 current processor
109 * number, where one of the 3 tcl rings are selected based on
110 * the smp_processor_id(). 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 = smp_processor_id();
116
117 tcl_ring_sel:
118 tcl_ring_retry = false;
119
120 ti.ring_id = ring_selector % ab->hw_params.max_tx_ring;
121
122 ring_map |= BIT(ti.ring_id);
123
124 tx_ring = &dp->tx_ring[ti.ring_id];
125
126 spin_lock_bh(&tx_ring->tx_idr_lock);
127 ret = idr_alloc(&tx_ring->txbuf_idr, skb, 0,
128 DP_TX_IDR_SIZE - 1, GFP_ATOMIC);
129 spin_unlock_bh(&tx_ring->tx_idr_lock);
130
131 if (unlikely(ret < 0)) {
132 if (ring_map == (BIT(ab->hw_params.max_tx_ring) - 1)) {
133 atomic_inc(&ab->soc_stats.tx_err.misc_fail);
134 return -ENOSPC;
135 }
136
137 /* Check if the next ring is available */
138 ring_selector++;
139 goto tcl_ring_sel;
140 }
141
142 ti.desc_id = FIELD_PREP(DP_TX_DESC_ID_MAC_ID, ar->pdev_idx) |
143 FIELD_PREP(DP_TX_DESC_ID_MSDU_ID, ret) |
144 FIELD_PREP(DP_TX_DESC_ID_POOL_ID, pool_id);
145 ti.encap_type = ath11k_dp_tx_get_encap_type(arvif, skb);
146
147 if (ieee80211_has_a4(hdr->frame_control) &&
148 is_multicast_ether_addr(hdr->addr3) && arsta &&
149 arsta->use_4addr_set) {
150 ti.meta_data_flags = arsta->tcl_metadata;
151 ti.flags0 |= FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_TO_FW, 1);
152 } else {
153 ti.meta_data_flags = arvif->tcl_metadata;
154 }
155
156 if (unlikely(ti.encap_type == HAL_TCL_ENCAP_TYPE_RAW)) {
157 if (skb_cb->flags & ATH11K_SKB_CIPHER_SET) {
158 ti.encrypt_type =
159 ath11k_dp_tx_get_encrypt_type(skb_cb->cipher);
160
161 if (ieee80211_has_protected(hdr->frame_control))
162 skb_put(skb, IEEE80211_CCMP_MIC_LEN);
163 } else {
164 ti.encrypt_type = HAL_ENCRYPT_TYPE_OPEN;
165 }
166 }
167
168 ti.addr_search_flags = arvif->hal_addr_search_flags;
169 ti.search_type = arvif->search_type;
170 ti.type = HAL_TCL_DESC_TYPE_BUFFER;
171 ti.pkt_offset = 0;
172 ti.lmac_id = ar->lmac_id;
173 ti.bss_ast_hash = arvif->ast_hash;
174 ti.bss_ast_idx = arvif->ast_idx;
175 ti.dscp_tid_tbl_idx = 0;
176
177 if (likely(skb->ip_summed == CHECKSUM_PARTIAL &&
178 ti.encap_type != HAL_TCL_ENCAP_TYPE_RAW)) {
179 ti.flags0 |= FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_IP4_CKSUM_EN, 1) |
180 FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_UDP4_CKSUM_EN, 1) |
181 FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_UDP6_CKSUM_EN, 1) |
182 FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_TCP4_CKSUM_EN, 1) |
183 FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_TCP6_CKSUM_EN, 1);
184 }
185
186 if (ieee80211_vif_is_mesh(arvif->vif))
187 ti.enable_mesh = true;
188
189 ti.flags1 |= FIELD_PREP(HAL_TCL_DATA_CMD_INFO2_TID_OVERWRITE, 1);
190
191 ti.tid = ath11k_dp_tx_get_tid(skb);
192
193 switch (ti.encap_type) {
194 case HAL_TCL_ENCAP_TYPE_NATIVE_WIFI:
195 ath11k_dp_tx_encap_nwifi(skb);
196 break;
197 case HAL_TCL_ENCAP_TYPE_RAW:
198 if (!test_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags)) {
199 ret = -EINVAL;
200 goto fail_remove_idr;
201 }
202 break;
203 case HAL_TCL_ENCAP_TYPE_ETHERNET:
204 /* no need to encap */
205 break;
206 case HAL_TCL_ENCAP_TYPE_802_3:
207 default:
208 /* TODO: Take care of other encap modes as well */
209 ret = -EINVAL;
210 atomic_inc(&ab->soc_stats.tx_err.misc_fail);
211 goto fail_remove_idr;
212 }
213
214 ti.paddr = dma_map_single(ab->dev, skb->data, skb->len, DMA_TO_DEVICE);
215 if (unlikely(dma_mapping_error(ab->dev, ti.paddr))) {
216 atomic_inc(&ab->soc_stats.tx_err.misc_fail);
217 ath11k_warn(ab, "failed to DMA map data Tx buffer\n");
218 ret = -ENOMEM;
219 goto fail_remove_idr;
220 }
221
222 ti.data_len = skb->len;
223 skb_cb->paddr = ti.paddr;
224 skb_cb->vif = arvif->vif;
225 skb_cb->ar = ar;
226
227 hal_ring_id = tx_ring->tcl_data_ring.ring_id;
228 tcl_ring = &ab->hal.srng_list[hal_ring_id];
229
230 spin_lock_bh(&tcl_ring->lock);
231
232 ath11k_hal_srng_access_begin(ab, tcl_ring);
233
234 hal_tcl_desc = (void *)ath11k_hal_srng_src_get_next_entry(ab, tcl_ring);
235 if (unlikely(!hal_tcl_desc)) {
236 /* NOTE: It is highly unlikely we'll be running out of tcl_ring
237 * desc because the desc is directly enqueued onto hw queue.
238 */
239 ath11k_hal_srng_access_end(ab, tcl_ring);
240 ab->soc_stats.tx_err.desc_na[ti.ring_id]++;
241 spin_unlock_bh(&tcl_ring->lock);
242 ret = -ENOMEM;
243
244 /* Checking for available tcl descritors in another ring in
245 * case of failure due to full tcl ring now, is better than
246 * checking this ring earlier for each pkt tx.
247 * Restart ring selection if some rings are not checked yet.
248 */
249 if (unlikely(ring_map != (BIT(ab->hw_params.max_tx_ring)) - 1) &&
250 ab->hw_params.max_tx_ring > 1) {
251 tcl_ring_retry = true;
252 ring_selector++;
253 }
254
255 goto fail_unmap_dma;
256 }
257
258 ath11k_hal_tx_cmd_desc_setup(ab, hal_tcl_desc +
259 sizeof(struct hal_tlv_hdr), &ti);
260
261 ath11k_hal_srng_access_end(ab, tcl_ring);
262
263 ath11k_dp_shadow_start_timer(ab, tcl_ring, &dp->tx_ring_timer[ti.ring_id]);
264
265 spin_unlock_bh(&tcl_ring->lock);
266
267 ath11k_dbg_dump(ab, ATH11K_DBG_DP_TX, NULL, "dp tx msdu: ",
268 skb->data, skb->len);
269
270 atomic_inc(&ar->dp.num_tx_pending);
271
272 return 0;
273
274 fail_unmap_dma:
275 dma_unmap_single(ab->dev, ti.paddr, ti.data_len, DMA_TO_DEVICE);
276
277 fail_remove_idr:
278 spin_lock_bh(&tx_ring->tx_idr_lock);
279 idr_remove(&tx_ring->txbuf_idr,
280 FIELD_GET(DP_TX_DESC_ID_MSDU_ID, ti.desc_id));
281 spin_unlock_bh(&tx_ring->tx_idr_lock);
282
283 if (tcl_ring_retry)
284 goto tcl_ring_sel;
285
286 return ret;
287 }
288
ath11k_dp_tx_free_txbuf(struct ath11k_base * ab,u8 mac_id,int msdu_id,struct dp_tx_ring * tx_ring)289 static void ath11k_dp_tx_free_txbuf(struct ath11k_base *ab, u8 mac_id,
290 int msdu_id,
291 struct dp_tx_ring *tx_ring)
292 {
293 struct ath11k *ar;
294 struct sk_buff *msdu;
295 struct ath11k_skb_cb *skb_cb;
296
297 spin_lock(&tx_ring->tx_idr_lock);
298 msdu = idr_remove(&tx_ring->txbuf_idr, msdu_id);
299 spin_unlock(&tx_ring->tx_idr_lock);
300
301 if (unlikely(!msdu)) {
302 ath11k_warn(ab, "tx completion for unknown msdu_id %d\n",
303 msdu_id);
304 return;
305 }
306
307 skb_cb = ATH11K_SKB_CB(msdu);
308
309 dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
310 dev_kfree_skb_any(msdu);
311
312 ar = ab->pdevs[mac_id].ar;
313 if (atomic_dec_and_test(&ar->dp.num_tx_pending))
314 wake_up(&ar->dp.tx_empty_waitq);
315 }
316
317 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)318 ath11k_dp_tx_htt_tx_complete_buf(struct ath11k_base *ab,
319 struct dp_tx_ring *tx_ring,
320 struct ath11k_dp_htt_wbm_tx_status *ts)
321 {
322 struct sk_buff *msdu;
323 struct ieee80211_tx_info *info;
324 struct ath11k_skb_cb *skb_cb;
325 struct ath11k *ar;
326
327 spin_lock(&tx_ring->tx_idr_lock);
328 msdu = idr_remove(&tx_ring->txbuf_idr, ts->msdu_id);
329 spin_unlock(&tx_ring->tx_idr_lock);
330
331 if (unlikely(!msdu)) {
332 ath11k_warn(ab, "htt tx completion for unknown msdu_id %d\n",
333 ts->msdu_id);
334 return;
335 }
336
337 skb_cb = ATH11K_SKB_CB(msdu);
338 info = IEEE80211_SKB_CB(msdu);
339
340 ar = skb_cb->ar;
341
342 if (atomic_dec_and_test(&ar->dp.num_tx_pending))
343 wake_up(&ar->dp.tx_empty_waitq);
344
345 dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
346
347 memset(&info->status, 0, sizeof(info->status));
348
349 if (ts->acked) {
350 if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) {
351 info->flags |= IEEE80211_TX_STAT_ACK;
352 info->status.ack_signal = ATH11K_DEFAULT_NOISE_FLOOR +
353 ts->ack_rssi;
354 info->status.flags |=
355 IEEE80211_TX_STATUS_ACK_SIGNAL_VALID;
356 } else {
357 info->flags |= IEEE80211_TX_STAT_NOACK_TRANSMITTED;
358 }
359 }
360
361 ieee80211_tx_status(ar->hw, msdu);
362 }
363
364 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)365 ath11k_dp_tx_process_htt_tx_complete(struct ath11k_base *ab,
366 void *desc, u8 mac_id,
367 u32 msdu_id, struct dp_tx_ring *tx_ring)
368 {
369 struct htt_tx_wbm_completion *status_desc;
370 struct ath11k_dp_htt_wbm_tx_status ts = {0};
371 enum hal_wbm_htt_tx_comp_status wbm_status;
372
373 status_desc = desc + HTT_TX_WBM_COMP_STATUS_OFFSET;
374
375 wbm_status = FIELD_GET(HTT_TX_WBM_COMP_INFO0_STATUS,
376 status_desc->info0);
377 switch (wbm_status) {
378 case HAL_WBM_REL_HTT_TX_COMP_STATUS_OK:
379 case HAL_WBM_REL_HTT_TX_COMP_STATUS_DROP:
380 case HAL_WBM_REL_HTT_TX_COMP_STATUS_TTL:
381 ts.acked = (wbm_status == HAL_WBM_REL_HTT_TX_COMP_STATUS_OK);
382 ts.msdu_id = msdu_id;
383 ts.ack_rssi = FIELD_GET(HTT_TX_WBM_COMP_INFO1_ACK_RSSI,
384 status_desc->info1);
385 ath11k_dp_tx_htt_tx_complete_buf(ab, tx_ring, &ts);
386 break;
387 case HAL_WBM_REL_HTT_TX_COMP_STATUS_REINJ:
388 case HAL_WBM_REL_HTT_TX_COMP_STATUS_INSPECT:
389 ath11k_dp_tx_free_txbuf(ab, mac_id, msdu_id, tx_ring);
390 break;
391 case HAL_WBM_REL_HTT_TX_COMP_STATUS_MEC_NOTIFY:
392 /* This event is to be handled only when the driver decides to
393 * use WDS offload functionality.
394 */
395 break;
396 default:
397 ath11k_warn(ab, "Unknown htt tx status %d\n", wbm_status);
398 break;
399 }
400 }
401
ath11k_dp_tx_cache_peer_stats(struct ath11k * ar,struct sk_buff * msdu,struct hal_tx_status * ts)402 static void ath11k_dp_tx_cache_peer_stats(struct ath11k *ar,
403 struct sk_buff *msdu,
404 struct hal_tx_status *ts)
405 {
406 struct ath11k_per_peer_tx_stats *peer_stats = &ar->cached_stats;
407
408 if (ts->try_cnt > 1) {
409 peer_stats->retry_pkts += ts->try_cnt - 1;
410 peer_stats->retry_bytes += (ts->try_cnt - 1) * msdu->len;
411
412 if (ts->status != HAL_WBM_TQM_REL_REASON_FRAME_ACKED) {
413 peer_stats->failed_pkts += 1;
414 peer_stats->failed_bytes += msdu->len;
415 }
416 }
417 }
418
ath11k_dp_tx_update_txcompl(struct ath11k * ar,struct hal_tx_status * ts)419 void ath11k_dp_tx_update_txcompl(struct ath11k *ar, struct hal_tx_status *ts)
420 {
421 struct ath11k_base *ab = ar->ab;
422 struct ath11k_per_peer_tx_stats *peer_stats = &ar->cached_stats;
423 enum hal_tx_rate_stats_pkt_type pkt_type;
424 enum hal_tx_rate_stats_sgi sgi;
425 enum hal_tx_rate_stats_bw bw;
426 struct ath11k_peer *peer;
427 struct ath11k_sta *arsta;
428 struct ieee80211_sta *sta;
429 u16 rate, ru_tones;
430 u8 mcs, rate_idx = 0, ofdma;
431 int ret;
432
433 spin_lock_bh(&ab->base_lock);
434 peer = ath11k_peer_find_by_id(ab, ts->peer_id);
435 if (!peer || !peer->sta) {
436 ath11k_dbg(ab, ATH11K_DBG_DP_TX,
437 "failed to find the peer by id %u\n", ts->peer_id);
438 goto err_out;
439 }
440
441 sta = peer->sta;
442 arsta = (struct ath11k_sta *)sta->drv_priv;
443
444 memset(&arsta->txrate, 0, sizeof(arsta->txrate));
445 pkt_type = FIELD_GET(HAL_TX_RATE_STATS_INFO0_PKT_TYPE,
446 ts->rate_stats);
447 mcs = FIELD_GET(HAL_TX_RATE_STATS_INFO0_MCS,
448 ts->rate_stats);
449 sgi = FIELD_GET(HAL_TX_RATE_STATS_INFO0_SGI,
450 ts->rate_stats);
451 bw = FIELD_GET(HAL_TX_RATE_STATS_INFO0_BW, ts->rate_stats);
452 ru_tones = FIELD_GET(HAL_TX_RATE_STATS_INFO0_TONES_IN_RU, ts->rate_stats);
453 ofdma = FIELD_GET(HAL_TX_RATE_STATS_INFO0_OFDMA_TX, ts->rate_stats);
454
455 /* This is to prefer choose the real NSS value arsta->last_txrate.nss,
456 * if it is invalid, then choose the NSS value while assoc.
457 */
458 if (arsta->last_txrate.nss)
459 arsta->txrate.nss = arsta->last_txrate.nss;
460 else
461 arsta->txrate.nss = arsta->peer_nss;
462
463 if (pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11A ||
464 pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11B) {
465 ret = ath11k_mac_hw_ratecode_to_legacy_rate(mcs,
466 pkt_type,
467 &rate_idx,
468 &rate);
469 if (ret < 0)
470 goto err_out;
471 arsta->txrate.legacy = rate;
472 } else if (pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11N) {
473 if (mcs > 7) {
474 ath11k_warn(ab, "Invalid HT mcs index %d\n", mcs);
475 goto err_out;
476 }
477
478 if (arsta->txrate.nss != 0)
479 arsta->txrate.mcs = mcs + 8 * (arsta->txrate.nss - 1);
480 arsta->txrate.flags = RATE_INFO_FLAGS_MCS;
481 if (sgi)
482 arsta->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
483 } else if (pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11AC) {
484 if (mcs > 9) {
485 ath11k_warn(ab, "Invalid VHT mcs index %d\n", mcs);
486 goto err_out;
487 }
488
489 arsta->txrate.mcs = mcs;
490 arsta->txrate.flags = RATE_INFO_FLAGS_VHT_MCS;
491 if (sgi)
492 arsta->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
493 } else if (pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11AX) {
494 if (mcs > 11) {
495 ath11k_warn(ab, "Invalid HE mcs index %d\n", mcs);
496 goto err_out;
497 }
498
499 arsta->txrate.mcs = mcs;
500 arsta->txrate.flags = RATE_INFO_FLAGS_HE_MCS;
501 arsta->txrate.he_gi = ath11k_mac_he_gi_to_nl80211_he_gi(sgi);
502 }
503
504 arsta->txrate.bw = ath11k_mac_bw_to_mac80211_bw(bw);
505 if (ofdma && pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11AX) {
506 arsta->txrate.bw = RATE_INFO_BW_HE_RU;
507 arsta->txrate.he_ru_alloc =
508 ath11k_mac_he_ru_tones_to_nl80211_he_ru_alloc(ru_tones);
509 }
510
511 if (ath11k_debugfs_is_extd_tx_stats_enabled(ar))
512 ath11k_debugfs_sta_add_tx_stats(arsta, peer_stats, rate_idx);
513
514 err_out:
515 spin_unlock_bh(&ab->base_lock);
516 }
517
ath11k_dp_tx_complete_msdu(struct ath11k * ar,struct sk_buff * msdu,struct hal_tx_status * ts)518 static void ath11k_dp_tx_complete_msdu(struct ath11k *ar,
519 struct sk_buff *msdu,
520 struct hal_tx_status *ts)
521 {
522 struct ieee80211_tx_status status = { 0 };
523 struct ieee80211_rate_status status_rate = { 0 };
524 struct ath11k_base *ab = ar->ab;
525 struct ieee80211_tx_info *info;
526 struct ath11k_skb_cb *skb_cb;
527 struct ath11k_peer *peer;
528 struct ath11k_sta *arsta;
529 struct rate_info rate;
530
531 if (WARN_ON_ONCE(ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_TQM)) {
532 /* Must not happen */
533 return;
534 }
535
536 skb_cb = ATH11K_SKB_CB(msdu);
537
538 dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
539
540 if (unlikely(!rcu_access_pointer(ab->pdevs_active[ar->pdev_idx]))) {
541 dev_kfree_skb_any(msdu);
542 return;
543 }
544
545 if (unlikely(!skb_cb->vif)) {
546 dev_kfree_skb_any(msdu);
547 return;
548 }
549
550 info = IEEE80211_SKB_CB(msdu);
551 memset(&info->status, 0, sizeof(info->status));
552
553 /* skip tx rate update from ieee80211_status*/
554 info->status.rates[0].idx = -1;
555
556 if (ts->status == HAL_WBM_TQM_REL_REASON_FRAME_ACKED &&
557 !(info->flags & IEEE80211_TX_CTL_NO_ACK)) {
558 info->flags |= IEEE80211_TX_STAT_ACK;
559 info->status.ack_signal = ATH11K_DEFAULT_NOISE_FLOOR +
560 ts->ack_rssi;
561 info->status.flags |= IEEE80211_TX_STATUS_ACK_SIGNAL_VALID;
562 }
563
564 if (ts->status == HAL_WBM_TQM_REL_REASON_CMD_REMOVE_TX &&
565 (info->flags & IEEE80211_TX_CTL_NO_ACK))
566 info->flags |= IEEE80211_TX_STAT_NOACK_TRANSMITTED;
567
568 if (unlikely(ath11k_debugfs_is_extd_tx_stats_enabled(ar)) ||
569 ab->hw_params.single_pdev_only) {
570 if (ts->flags & HAL_TX_STATUS_FLAGS_FIRST_MSDU) {
571 if (ar->last_ppdu_id == 0) {
572 ar->last_ppdu_id = ts->ppdu_id;
573 } else if (ar->last_ppdu_id == ts->ppdu_id ||
574 ar->cached_ppdu_id == ar->last_ppdu_id) {
575 ar->cached_ppdu_id = ar->last_ppdu_id;
576 ar->cached_stats.is_ampdu = true;
577 ath11k_dp_tx_update_txcompl(ar, ts);
578 memset(&ar->cached_stats, 0,
579 sizeof(struct ath11k_per_peer_tx_stats));
580 } else {
581 ar->cached_stats.is_ampdu = false;
582 ath11k_dp_tx_update_txcompl(ar, ts);
583 memset(&ar->cached_stats, 0,
584 sizeof(struct ath11k_per_peer_tx_stats));
585 }
586 ar->last_ppdu_id = ts->ppdu_id;
587 }
588
589 ath11k_dp_tx_cache_peer_stats(ar, msdu, ts);
590 }
591
592 spin_lock_bh(&ab->base_lock);
593 peer = ath11k_peer_find_by_id(ab, ts->peer_id);
594 if (!peer || !peer->sta) {
595 ath11k_dbg(ab, ATH11K_DBG_DATA,
596 "dp_tx: failed to find the peer with peer_id %d\n",
597 ts->peer_id);
598 spin_unlock_bh(&ab->base_lock);
599 dev_kfree_skb_any(msdu);
600 return;
601 }
602 arsta = (struct ath11k_sta *)peer->sta->drv_priv;
603 status.sta = peer->sta;
604 status.skb = msdu;
605 status.info = info;
606 rate = arsta->last_txrate;
607
608 status_rate.rate_idx = rate;
609 status_rate.try_count = 1;
610
611 status.rates = &status_rate;
612 status.n_rates = 1;
613
614 spin_unlock_bh(&ab->base_lock);
615
616 ieee80211_tx_status_ext(ar->hw, &status);
617 }
618
ath11k_dp_tx_status_parse(struct ath11k_base * ab,struct hal_wbm_release_ring * desc,struct hal_tx_status * ts)619 static inline void ath11k_dp_tx_status_parse(struct ath11k_base *ab,
620 struct hal_wbm_release_ring *desc,
621 struct hal_tx_status *ts)
622 {
623 ts->buf_rel_source =
624 FIELD_GET(HAL_WBM_RELEASE_INFO0_REL_SRC_MODULE, desc->info0);
625 if (unlikely(ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_FW &&
626 ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_TQM))
627 return;
628
629 if (unlikely(ts->buf_rel_source == HAL_WBM_REL_SRC_MODULE_FW))
630 return;
631
632 ts->status = FIELD_GET(HAL_WBM_RELEASE_INFO0_TQM_RELEASE_REASON,
633 desc->info0);
634 ts->ppdu_id = FIELD_GET(HAL_WBM_RELEASE_INFO1_TQM_STATUS_NUMBER,
635 desc->info1);
636 ts->try_cnt = FIELD_GET(HAL_WBM_RELEASE_INFO1_TRANSMIT_COUNT,
637 desc->info1);
638 ts->ack_rssi = FIELD_GET(HAL_WBM_RELEASE_INFO2_ACK_FRAME_RSSI,
639 desc->info2);
640 if (desc->info2 & HAL_WBM_RELEASE_INFO2_FIRST_MSDU)
641 ts->flags |= HAL_TX_STATUS_FLAGS_FIRST_MSDU;
642 ts->peer_id = FIELD_GET(HAL_WBM_RELEASE_INFO3_PEER_ID, desc->info3);
643 ts->tid = FIELD_GET(HAL_WBM_RELEASE_INFO3_TID, desc->info3);
644 if (desc->rate_stats.info0 & HAL_TX_RATE_STATS_INFO0_VALID)
645 ts->rate_stats = desc->rate_stats.info0;
646 else
647 ts->rate_stats = 0;
648 }
649
ath11k_dp_tx_completion_handler(struct ath11k_base * ab,int ring_id)650 void ath11k_dp_tx_completion_handler(struct ath11k_base *ab, int ring_id)
651 {
652 struct ath11k *ar;
653 struct ath11k_dp *dp = &ab->dp;
654 int hal_ring_id = dp->tx_ring[ring_id].tcl_comp_ring.ring_id;
655 struct hal_srng *status_ring = &ab->hal.srng_list[hal_ring_id];
656 struct sk_buff *msdu;
657 struct hal_tx_status ts = { 0 };
658 struct dp_tx_ring *tx_ring = &dp->tx_ring[ring_id];
659 u32 *desc;
660 u32 msdu_id;
661 u8 mac_id;
662
663 spin_lock_bh(&status_ring->lock);
664
665 ath11k_hal_srng_access_begin(ab, status_ring);
666
667 while ((ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_head) !=
668 tx_ring->tx_status_tail) &&
669 (desc = ath11k_hal_srng_dst_get_next_entry(ab, status_ring))) {
670 memcpy(&tx_ring->tx_status[tx_ring->tx_status_head],
671 desc, sizeof(struct hal_wbm_release_ring));
672 tx_ring->tx_status_head =
673 ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_head);
674 }
675
676 if (unlikely((ath11k_hal_srng_dst_peek(ab, status_ring) != NULL) &&
677 (ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_head) ==
678 tx_ring->tx_status_tail))) {
679 /* TODO: Process pending tx_status messages when kfifo_is_full() */
680 ath11k_warn(ab, "Unable to process some of the tx_status ring desc because status_fifo is full\n");
681 }
682
683 ath11k_hal_srng_access_end(ab, status_ring);
684
685 spin_unlock_bh(&status_ring->lock);
686
687 while (ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_tail) != tx_ring->tx_status_head) {
688 struct hal_wbm_release_ring *tx_status;
689 u32 desc_id;
690
691 tx_ring->tx_status_tail =
692 ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_tail);
693 tx_status = &tx_ring->tx_status[tx_ring->tx_status_tail];
694 ath11k_dp_tx_status_parse(ab, tx_status, &ts);
695
696 desc_id = FIELD_GET(BUFFER_ADDR_INFO1_SW_COOKIE,
697 tx_status->buf_addr_info.info1);
698 mac_id = FIELD_GET(DP_TX_DESC_ID_MAC_ID, desc_id);
699 msdu_id = FIELD_GET(DP_TX_DESC_ID_MSDU_ID, desc_id);
700
701 if (unlikely(ts.buf_rel_source == HAL_WBM_REL_SRC_MODULE_FW)) {
702 ath11k_dp_tx_process_htt_tx_complete(ab,
703 (void *)tx_status,
704 mac_id, msdu_id,
705 tx_ring);
706 continue;
707 }
708
709 spin_lock(&tx_ring->tx_idr_lock);
710 msdu = idr_remove(&tx_ring->txbuf_idr, msdu_id);
711 if (unlikely(!msdu)) {
712 ath11k_warn(ab, "tx completion for unknown msdu_id %d\n",
713 msdu_id);
714 spin_unlock(&tx_ring->tx_idr_lock);
715 continue;
716 }
717
718 spin_unlock(&tx_ring->tx_idr_lock);
719
720 ar = ab->pdevs[mac_id].ar;
721
722 if (atomic_dec_and_test(&ar->dp.num_tx_pending))
723 wake_up(&ar->dp.tx_empty_waitq);
724
725 ath11k_dp_tx_complete_msdu(ar, msdu, &ts);
726 }
727 }
728
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))729 int ath11k_dp_tx_send_reo_cmd(struct ath11k_base *ab, struct dp_rx_tid *rx_tid,
730 enum hal_reo_cmd_type type,
731 struct ath11k_hal_reo_cmd *cmd,
732 void (*cb)(struct ath11k_dp *, void *,
733 enum hal_reo_cmd_status))
734 {
735 struct ath11k_dp *dp = &ab->dp;
736 struct dp_reo_cmd *dp_cmd;
737 struct hal_srng *cmd_ring;
738 int cmd_num;
739
740 if (test_bit(ATH11K_FLAG_CRASH_FLUSH, &ab->dev_flags))
741 return -ESHUTDOWN;
742
743 cmd_ring = &ab->hal.srng_list[dp->reo_cmd_ring.ring_id];
744 cmd_num = ath11k_hal_reo_cmd_send(ab, cmd_ring, type, cmd);
745
746 /* cmd_num should start from 1, during failure return the error code */
747 if (cmd_num < 0)
748 return cmd_num;
749
750 /* reo cmd ring descriptors has cmd_num starting from 1 */
751 if (cmd_num == 0)
752 return -EINVAL;
753
754 if (!cb)
755 return 0;
756
757 /* Can this be optimized so that we keep the pending command list only
758 * for tid delete command to free up the resoruce on the command status
759 * indication?
760 */
761 dp_cmd = kzalloc(sizeof(*dp_cmd), GFP_ATOMIC);
762
763 if (!dp_cmd)
764 return -ENOMEM;
765
766 memcpy(&dp_cmd->data, rx_tid, sizeof(struct dp_rx_tid));
767 dp_cmd->cmd_num = cmd_num;
768 dp_cmd->handler = cb;
769
770 spin_lock_bh(&dp->reo_cmd_lock);
771 list_add_tail(&dp_cmd->list, &dp->reo_cmd_list);
772 spin_unlock_bh(&dp->reo_cmd_lock);
773
774 return 0;
775 }
776
777 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)778 ath11k_dp_tx_get_ring_id_type(struct ath11k_base *ab,
779 int mac_id, u32 ring_id,
780 enum hal_ring_type ring_type,
781 enum htt_srng_ring_type *htt_ring_type,
782 enum htt_srng_ring_id *htt_ring_id)
783 {
784 int lmac_ring_id_offset = 0;
785 int ret = 0;
786
787 switch (ring_type) {
788 case HAL_RXDMA_BUF:
789 lmac_ring_id_offset = mac_id * HAL_SRNG_RINGS_PER_LMAC;
790
791 /* for QCA6390, host fills rx buffer to fw and fw fills to
792 * rxbuf ring for each rxdma
793 */
794 if (!ab->hw_params.rx_mac_buf_ring) {
795 if (!(ring_id == (HAL_SRNG_RING_ID_WMAC1_SW2RXDMA0_BUF +
796 lmac_ring_id_offset) ||
797 ring_id == (HAL_SRNG_RING_ID_WMAC1_SW2RXDMA1_BUF +
798 lmac_ring_id_offset))) {
799 ret = -EINVAL;
800 }
801 *htt_ring_id = HTT_RXDMA_HOST_BUF_RING;
802 *htt_ring_type = HTT_SW_TO_HW_RING;
803 } else {
804 if (ring_id == HAL_SRNG_RING_ID_WMAC1_SW2RXDMA0_BUF) {
805 *htt_ring_id = HTT_HOST1_TO_FW_RXBUF_RING;
806 *htt_ring_type = HTT_SW_TO_SW_RING;
807 } else {
808 *htt_ring_id = HTT_RXDMA_HOST_BUF_RING;
809 *htt_ring_type = HTT_SW_TO_HW_RING;
810 }
811 }
812 break;
813 case HAL_RXDMA_DST:
814 *htt_ring_id = HTT_RXDMA_NON_MONITOR_DEST_RING;
815 *htt_ring_type = HTT_HW_TO_SW_RING;
816 break;
817 case HAL_RXDMA_MONITOR_BUF:
818 *htt_ring_id = HTT_RXDMA_MONITOR_BUF_RING;
819 *htt_ring_type = HTT_SW_TO_HW_RING;
820 break;
821 case HAL_RXDMA_MONITOR_STATUS:
822 *htt_ring_id = HTT_RXDMA_MONITOR_STATUS_RING;
823 *htt_ring_type = HTT_SW_TO_HW_RING;
824 break;
825 case HAL_RXDMA_MONITOR_DST:
826 *htt_ring_id = HTT_RXDMA_MONITOR_DEST_RING;
827 *htt_ring_type = HTT_HW_TO_SW_RING;
828 break;
829 case HAL_RXDMA_MONITOR_DESC:
830 *htt_ring_id = HTT_RXDMA_MONITOR_DESC_RING;
831 *htt_ring_type = HTT_SW_TO_HW_RING;
832 break;
833 default:
834 ath11k_warn(ab, "Unsupported ring type in DP :%d\n", ring_type);
835 ret = -EINVAL;
836 }
837 return ret;
838 }
839
ath11k_dp_tx_htt_srng_setup(struct ath11k_base * ab,u32 ring_id,int mac_id,enum hal_ring_type ring_type)840 int ath11k_dp_tx_htt_srng_setup(struct ath11k_base *ab, u32 ring_id,
841 int mac_id, enum hal_ring_type ring_type)
842 {
843 struct htt_srng_setup_cmd *cmd;
844 struct hal_srng *srng = &ab->hal.srng_list[ring_id];
845 struct hal_srng_params params;
846 struct sk_buff *skb;
847 u32 ring_entry_sz;
848 int len = sizeof(*cmd);
849 dma_addr_t hp_addr, tp_addr;
850 enum htt_srng_ring_type htt_ring_type;
851 enum htt_srng_ring_id htt_ring_id;
852 int ret;
853
854 skb = ath11k_htc_alloc_skb(ab, len);
855 if (!skb)
856 return -ENOMEM;
857
858 memset(¶ms, 0, sizeof(params));
859 ath11k_hal_srng_get_params(ab, srng, ¶ms);
860
861 hp_addr = ath11k_hal_srng_get_hp_addr(ab, srng);
862 tp_addr = ath11k_hal_srng_get_tp_addr(ab, srng);
863
864 ret = ath11k_dp_tx_get_ring_id_type(ab, mac_id, ring_id,
865 ring_type, &htt_ring_type,
866 &htt_ring_id);
867 if (ret)
868 goto err_free;
869
870 skb_put(skb, len);
871 cmd = (struct htt_srng_setup_cmd *)skb->data;
872 cmd->info0 = FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_MSG_TYPE,
873 HTT_H2T_MSG_TYPE_SRING_SETUP);
874 if (htt_ring_type == HTT_SW_TO_HW_RING ||
875 htt_ring_type == HTT_HW_TO_SW_RING)
876 cmd->info0 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_PDEV_ID,
877 DP_SW2HW_MACID(mac_id));
878 else
879 cmd->info0 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_PDEV_ID,
880 mac_id);
881 cmd->info0 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_RING_TYPE,
882 htt_ring_type);
883 cmd->info0 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_RING_ID, htt_ring_id);
884
885 cmd->ring_base_addr_lo = params.ring_base_paddr &
886 HAL_ADDR_LSB_REG_MASK;
887
888 cmd->ring_base_addr_hi = (u64)params.ring_base_paddr >>
889 HAL_ADDR_MSB_REG_SHIFT;
890
891 ret = ath11k_hal_srng_get_entrysize(ab, ring_type);
892 if (ret < 0)
893 goto err_free;
894
895 ring_entry_sz = ret;
896
897 ring_entry_sz >>= 2;
898 cmd->info1 = FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO1_RING_ENTRY_SIZE,
899 ring_entry_sz);
900 cmd->info1 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO1_RING_SIZE,
901 params.num_entries * ring_entry_sz);
902 cmd->info1 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO1_RING_FLAGS_MSI_SWAP,
903 !!(params.flags & HAL_SRNG_FLAGS_MSI_SWAP));
904 cmd->info1 |= FIELD_PREP(
905 HTT_SRNG_SETUP_CMD_INFO1_RING_FLAGS_TLV_SWAP,
906 !!(params.flags & HAL_SRNG_FLAGS_DATA_TLV_SWAP));
907 cmd->info1 |= FIELD_PREP(
908 HTT_SRNG_SETUP_CMD_INFO1_RING_FLAGS_HOST_FW_SWAP,
909 !!(params.flags & HAL_SRNG_FLAGS_RING_PTR_SWAP));
910 if (htt_ring_type == HTT_SW_TO_HW_RING)
911 cmd->info1 |= HTT_SRNG_SETUP_CMD_INFO1_RING_LOOP_CNT_DIS;
912
913 cmd->ring_head_off32_remote_addr_lo = hp_addr & HAL_ADDR_LSB_REG_MASK;
914 cmd->ring_head_off32_remote_addr_hi = (u64)hp_addr >>
915 HAL_ADDR_MSB_REG_SHIFT;
916
917 cmd->ring_tail_off32_remote_addr_lo = tp_addr & HAL_ADDR_LSB_REG_MASK;
918 cmd->ring_tail_off32_remote_addr_hi = (u64)tp_addr >>
919 HAL_ADDR_MSB_REG_SHIFT;
920
921 cmd->ring_msi_addr_lo = lower_32_bits(params.msi_addr);
922 cmd->ring_msi_addr_hi = upper_32_bits(params.msi_addr);
923 cmd->msi_data = params.msi_data;
924
925 cmd->intr_info = FIELD_PREP(
926 HTT_SRNG_SETUP_CMD_INTR_INFO_BATCH_COUNTER_THRESH,
927 params.intr_batch_cntr_thres_entries * ring_entry_sz);
928 cmd->intr_info |= FIELD_PREP(
929 HTT_SRNG_SETUP_CMD_INTR_INFO_INTR_TIMER_THRESH,
930 params.intr_timer_thres_us >> 3);
931
932 cmd->info2 = 0;
933 if (params.flags & HAL_SRNG_FLAGS_LOW_THRESH_INTR_EN) {
934 cmd->info2 = FIELD_PREP(
935 HTT_SRNG_SETUP_CMD_INFO2_INTR_LOW_THRESH,
936 params.low_threshold);
937 }
938
939 ath11k_dbg(ab, ATH11k_DBG_HAL,
940 "%s msi_addr_lo:0x%x, msi_addr_hi:0x%x, msi_data:0x%x\n",
941 __func__, cmd->ring_msi_addr_lo, cmd->ring_msi_addr_hi,
942 cmd->msi_data);
943
944 ath11k_dbg(ab, ATH11k_DBG_HAL,
945 "ring_id:%d, ring_type:%d, intr_info:0x%x, flags:0x%x\n",
946 ring_id, ring_type, cmd->intr_info, cmd->info2);
947
948 ret = ath11k_htc_send(&ab->htc, ab->dp.eid, skb);
949 if (ret)
950 goto err_free;
951
952 return 0;
953
954 err_free:
955 dev_kfree_skb_any(skb);
956
957 return ret;
958 }
959
960 #define HTT_TARGET_VERSION_TIMEOUT_HZ (3 * HZ)
961
ath11k_dp_tx_htt_h2t_ver_req_msg(struct ath11k_base * ab)962 int ath11k_dp_tx_htt_h2t_ver_req_msg(struct ath11k_base *ab)
963 {
964 struct ath11k_dp *dp = &ab->dp;
965 struct sk_buff *skb;
966 struct htt_ver_req_cmd *cmd;
967 int len = sizeof(*cmd);
968 int ret;
969
970 init_completion(&dp->htt_tgt_version_received);
971
972 skb = ath11k_htc_alloc_skb(ab, len);
973 if (!skb)
974 return -ENOMEM;
975
976 skb_put(skb, len);
977 cmd = (struct htt_ver_req_cmd *)skb->data;
978 cmd->ver_reg_info = FIELD_PREP(HTT_VER_REQ_INFO_MSG_ID,
979 HTT_H2T_MSG_TYPE_VERSION_REQ);
980
981 ret = ath11k_htc_send(&ab->htc, dp->eid, skb);
982 if (ret) {
983 dev_kfree_skb_any(skb);
984 return ret;
985 }
986
987 ret = wait_for_completion_timeout(&dp->htt_tgt_version_received,
988 HTT_TARGET_VERSION_TIMEOUT_HZ);
989 if (ret == 0) {
990 ath11k_warn(ab, "htt target version request timed out\n");
991 return -ETIMEDOUT;
992 }
993
994 if (dp->htt_tgt_ver_major != HTT_TARGET_VERSION_MAJOR) {
995 ath11k_err(ab, "unsupported htt major version %d supported version is %d\n",
996 dp->htt_tgt_ver_major, HTT_TARGET_VERSION_MAJOR);
997 return -ENOTSUPP;
998 }
999
1000 return 0;
1001 }
1002
ath11k_dp_tx_htt_h2t_ppdu_stats_req(struct ath11k * ar,u32 mask)1003 int ath11k_dp_tx_htt_h2t_ppdu_stats_req(struct ath11k *ar, u32 mask)
1004 {
1005 struct ath11k_base *ab = ar->ab;
1006 struct ath11k_dp *dp = &ab->dp;
1007 struct sk_buff *skb;
1008 struct htt_ppdu_stats_cfg_cmd *cmd;
1009 int len = sizeof(*cmd);
1010 u8 pdev_mask;
1011 int ret;
1012 int i;
1013
1014 for (i = 0; i < ab->hw_params.num_rxmda_per_pdev; i++) {
1015 skb = ath11k_htc_alloc_skb(ab, len);
1016 if (!skb)
1017 return -ENOMEM;
1018
1019 skb_put(skb, len);
1020 cmd = (struct htt_ppdu_stats_cfg_cmd *)skb->data;
1021 cmd->msg = FIELD_PREP(HTT_PPDU_STATS_CFG_MSG_TYPE,
1022 HTT_H2T_MSG_TYPE_PPDU_STATS_CFG);
1023
1024 pdev_mask = 1 << (ar->pdev_idx + i);
1025 cmd->msg |= FIELD_PREP(HTT_PPDU_STATS_CFG_PDEV_ID, pdev_mask);
1026 cmd->msg |= FIELD_PREP(HTT_PPDU_STATS_CFG_TLV_TYPE_BITMASK, mask);
1027
1028 ret = ath11k_htc_send(&ab->htc, dp->eid, skb);
1029 if (ret) {
1030 dev_kfree_skb_any(skb);
1031 return ret;
1032 }
1033 }
1034
1035 return 0;
1036 }
1037
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)1038 int ath11k_dp_tx_htt_rx_filter_setup(struct ath11k_base *ab, u32 ring_id,
1039 int mac_id, enum hal_ring_type ring_type,
1040 int rx_buf_size,
1041 struct htt_rx_ring_tlv_filter *tlv_filter)
1042 {
1043 struct htt_rx_ring_selection_cfg_cmd *cmd;
1044 struct hal_srng *srng = &ab->hal.srng_list[ring_id];
1045 struct hal_srng_params params;
1046 struct sk_buff *skb;
1047 int len = sizeof(*cmd);
1048 enum htt_srng_ring_type htt_ring_type;
1049 enum htt_srng_ring_id htt_ring_id;
1050 int ret;
1051
1052 skb = ath11k_htc_alloc_skb(ab, len);
1053 if (!skb)
1054 return -ENOMEM;
1055
1056 memset(¶ms, 0, sizeof(params));
1057 ath11k_hal_srng_get_params(ab, srng, ¶ms);
1058
1059 ret = ath11k_dp_tx_get_ring_id_type(ab, mac_id, ring_id,
1060 ring_type, &htt_ring_type,
1061 &htt_ring_id);
1062 if (ret)
1063 goto err_free;
1064
1065 skb_put(skb, len);
1066 cmd = (struct htt_rx_ring_selection_cfg_cmd *)skb->data;
1067 cmd->info0 = FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_MSG_TYPE,
1068 HTT_H2T_MSG_TYPE_RX_RING_SELECTION_CFG);
1069 if (htt_ring_type == HTT_SW_TO_HW_RING ||
1070 htt_ring_type == HTT_HW_TO_SW_RING)
1071 cmd->info0 |=
1072 FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_PDEV_ID,
1073 DP_SW2HW_MACID(mac_id));
1074 else
1075 cmd->info0 |=
1076 FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_PDEV_ID,
1077 mac_id);
1078 cmd->info0 |= FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_RING_ID,
1079 htt_ring_id);
1080 cmd->info0 |= FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_SS,
1081 !!(params.flags & HAL_SRNG_FLAGS_MSI_SWAP));
1082 cmd->info0 |= FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_PS,
1083 !!(params.flags & HAL_SRNG_FLAGS_DATA_TLV_SWAP));
1084
1085 cmd->info1 = FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO1_BUF_SIZE,
1086 rx_buf_size);
1087 cmd->pkt_type_en_flags0 = tlv_filter->pkt_filter_flags0;
1088 cmd->pkt_type_en_flags1 = tlv_filter->pkt_filter_flags1;
1089 cmd->pkt_type_en_flags2 = tlv_filter->pkt_filter_flags2;
1090 cmd->pkt_type_en_flags3 = tlv_filter->pkt_filter_flags3;
1091 cmd->rx_filter_tlv = tlv_filter->rx_filter;
1092
1093 ret = ath11k_htc_send(&ab->htc, ab->dp.eid, skb);
1094 if (ret)
1095 goto err_free;
1096
1097 return 0;
1098
1099 err_free:
1100 dev_kfree_skb_any(skb);
1101
1102 return ret;
1103 }
1104
1105 int
ath11k_dp_tx_htt_h2t_ext_stats_req(struct ath11k * ar,u8 type,struct htt_ext_stats_cfg_params * cfg_params,u64 cookie)1106 ath11k_dp_tx_htt_h2t_ext_stats_req(struct ath11k *ar, u8 type,
1107 struct htt_ext_stats_cfg_params *cfg_params,
1108 u64 cookie)
1109 {
1110 struct ath11k_base *ab = ar->ab;
1111 struct ath11k_dp *dp = &ab->dp;
1112 struct sk_buff *skb;
1113 struct htt_ext_stats_cfg_cmd *cmd;
1114 u32 pdev_id;
1115 int len = sizeof(*cmd);
1116 int ret;
1117
1118 skb = ath11k_htc_alloc_skb(ab, len);
1119 if (!skb)
1120 return -ENOMEM;
1121
1122 skb_put(skb, len);
1123
1124 cmd = (struct htt_ext_stats_cfg_cmd *)skb->data;
1125 memset(cmd, 0, sizeof(*cmd));
1126 cmd->hdr.msg_type = HTT_H2T_MSG_TYPE_EXT_STATS_CFG;
1127
1128 if (ab->hw_params.single_pdev_only)
1129 pdev_id = ath11k_mac_get_target_pdev_id(ar);
1130 else
1131 pdev_id = ar->pdev->pdev_id;
1132
1133 cmd->hdr.pdev_mask = 1 << pdev_id;
1134
1135 cmd->hdr.stats_type = type;
1136 cmd->cfg_param0 = cfg_params->cfg0;
1137 cmd->cfg_param1 = cfg_params->cfg1;
1138 cmd->cfg_param2 = cfg_params->cfg2;
1139 cmd->cfg_param3 = cfg_params->cfg3;
1140 cmd->cookie_lsb = lower_32_bits(cookie);
1141 cmd->cookie_msb = upper_32_bits(cookie);
1142
1143 ret = ath11k_htc_send(&ab->htc, dp->eid, skb);
1144 if (ret) {
1145 ath11k_warn(ab, "failed to send htt type stats request: %d",
1146 ret);
1147 dev_kfree_skb_any(skb);
1148 return ret;
1149 }
1150
1151 return 0;
1152 }
1153
ath11k_dp_tx_htt_monitor_mode_ring_config(struct ath11k * ar,bool reset)1154 int ath11k_dp_tx_htt_monitor_mode_ring_config(struct ath11k *ar, bool reset)
1155 {
1156 struct ath11k_pdev_dp *dp = &ar->dp;
1157 struct ath11k_base *ab = ar->ab;
1158 struct htt_rx_ring_tlv_filter tlv_filter = {0};
1159 int ret = 0, ring_id = 0, i;
1160
1161 if (ab->hw_params.full_monitor_mode) {
1162 ret = ath11k_dp_tx_htt_rx_full_mon_setup(ab,
1163 dp->mac_id, !reset);
1164 if (ret < 0) {
1165 ath11k_err(ab, "failed to setup full monitor %d\n", ret);
1166 return ret;
1167 }
1168 }
1169
1170 ring_id = dp->rxdma_mon_buf_ring.refill_buf_ring.ring_id;
1171
1172 if (!reset) {
1173 tlv_filter.rx_filter = HTT_RX_MON_FILTER_TLV_FLAGS_MON_BUF_RING;
1174 tlv_filter.pkt_filter_flags0 =
1175 HTT_RX_MON_FP_MGMT_FILTER_FLAGS0 |
1176 HTT_RX_MON_MO_MGMT_FILTER_FLAGS0;
1177 tlv_filter.pkt_filter_flags1 =
1178 HTT_RX_MON_FP_MGMT_FILTER_FLAGS1 |
1179 HTT_RX_MON_MO_MGMT_FILTER_FLAGS1;
1180 tlv_filter.pkt_filter_flags2 =
1181 HTT_RX_MON_FP_CTRL_FILTER_FLASG2 |
1182 HTT_RX_MON_MO_CTRL_FILTER_FLASG2;
1183 tlv_filter.pkt_filter_flags3 =
1184 HTT_RX_MON_FP_CTRL_FILTER_FLASG3 |
1185 HTT_RX_MON_MO_CTRL_FILTER_FLASG3 |
1186 HTT_RX_MON_FP_DATA_FILTER_FLASG3 |
1187 HTT_RX_MON_MO_DATA_FILTER_FLASG3;
1188 }
1189
1190 if (ab->hw_params.rxdma1_enable) {
1191 ret = ath11k_dp_tx_htt_rx_filter_setup(ar->ab, ring_id, dp->mac_id,
1192 HAL_RXDMA_MONITOR_BUF,
1193 DP_RXDMA_REFILL_RING_SIZE,
1194 &tlv_filter);
1195 } else if (!reset) {
1196 /* set in monitor mode only */
1197 for (i = 0; i < ab->hw_params.num_rxmda_per_pdev; i++) {
1198 ring_id = dp->rx_mac_buf_ring[i].ring_id;
1199 ret = ath11k_dp_tx_htt_rx_filter_setup(ar->ab, ring_id,
1200 dp->mac_id + i,
1201 HAL_RXDMA_BUF,
1202 1024,
1203 &tlv_filter);
1204 }
1205 }
1206
1207 if (ret)
1208 return ret;
1209
1210 for (i = 0; i < ab->hw_params.num_rxmda_per_pdev; i++) {
1211 ring_id = dp->rx_mon_status_refill_ring[i].refill_buf_ring.ring_id;
1212 if (!reset) {
1213 tlv_filter.rx_filter =
1214 HTT_RX_MON_FILTER_TLV_FLAGS_MON_STATUS_RING;
1215 } else {
1216 tlv_filter = ath11k_mac_mon_status_filter_default;
1217
1218 if (ath11k_debugfs_is_extd_rx_stats_enabled(ar))
1219 tlv_filter.rx_filter = ath11k_debugfs_rx_filter(ar);
1220 }
1221
1222 ret = ath11k_dp_tx_htt_rx_filter_setup(ab, ring_id,
1223 dp->mac_id + i,
1224 HAL_RXDMA_MONITOR_STATUS,
1225 DP_RXDMA_REFILL_RING_SIZE,
1226 &tlv_filter);
1227 }
1228
1229 if (!ar->ab->hw_params.rxdma1_enable)
1230 mod_timer(&ar->ab->mon_reap_timer, jiffies +
1231 msecs_to_jiffies(ATH11K_MON_TIMER_INTERVAL));
1232
1233 return ret;
1234 }
1235
ath11k_dp_tx_htt_rx_full_mon_setup(struct ath11k_base * ab,int mac_id,bool config)1236 int ath11k_dp_tx_htt_rx_full_mon_setup(struct ath11k_base *ab, int mac_id,
1237 bool config)
1238 {
1239 struct htt_rx_full_monitor_mode_cfg_cmd *cmd;
1240 struct sk_buff *skb;
1241 int ret, len = sizeof(*cmd);
1242
1243 skb = ath11k_htc_alloc_skb(ab, len);
1244 if (!skb)
1245 return -ENOMEM;
1246
1247 skb_put(skb, len);
1248 cmd = (struct htt_rx_full_monitor_mode_cfg_cmd *)skb->data;
1249 memset(cmd, 0, sizeof(*cmd));
1250 cmd->info0 = FIELD_PREP(HTT_RX_FULL_MON_MODE_CFG_CMD_INFO0_MSG_TYPE,
1251 HTT_H2T_MSG_TYPE_RX_FULL_MONITOR_MODE);
1252
1253 cmd->info0 |= FIELD_PREP(HTT_RX_FULL_MON_MODE_CFG_CMD_INFO0_PDEV_ID, mac_id);
1254
1255 cmd->cfg = HTT_RX_FULL_MON_MODE_CFG_CMD_CFG_ENABLE |
1256 FIELD_PREP(HTT_RX_FULL_MON_MODE_CFG_CMD_CFG_RELEASE_RING,
1257 HTT_RX_MON_RING_SW);
1258 if (config) {
1259 cmd->cfg |= HTT_RX_FULL_MON_MODE_CFG_CMD_CFG_ZERO_MPDUS_END |
1260 HTT_RX_FULL_MON_MODE_CFG_CMD_CFG_NON_ZERO_MPDUS_END;
1261 }
1262
1263 ret = ath11k_htc_send(&ab->htc, ab->dp.eid, skb);
1264 if (ret)
1265 goto err_free;
1266
1267 return 0;
1268
1269 err_free:
1270 dev_kfree_skb_any(skb);
1271
1272 return ret;
1273 }
1274