1 // SPDX-License-Identifier: BSD-3-Clause-Clear
2 /*
3 * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.
4 * Copyright (c) 2021-2024 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
ath11k_dp_tx_get_encap_type(struct ath11k_vif * arvif,struct sk_buff * skb)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
ath11k_dp_tx_encap_nwifi(struct sk_buff * skb)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
ath11k_dp_tx_get_tid(struct sk_buff * skb)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
ath11k_dp_tx_get_encrypt_type(u32 cipher)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
ath11k_dp_tx(struct ath11k * ar,struct ath11k_vif * arvif,struct ath11k_sta * arsta,struct sk_buff * skb)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 -EOPNOTSUPP;
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 descriptors 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
ath11k_dp_tx_free_txbuf(struct ath11k_base * ab,u8 mac_id,int msdu_id,struct dp_tx_ring * tx_ring)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
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)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 ieee80211_tx_status status = { 0 };
320 struct sk_buff *msdu;
321 struct ieee80211_tx_info *info;
322 struct ath11k_skb_cb *skb_cb;
323 struct ath11k *ar;
324 struct ath11k_peer *peer;
325
326 spin_lock(&tx_ring->tx_idr_lock);
327 msdu = idr_remove(&tx_ring->txbuf_idr, ts->msdu_id);
328 spin_unlock(&tx_ring->tx_idr_lock);
329
330 if (unlikely(!msdu)) {
331 ath11k_warn(ab, "htt tx completion for unknown msdu_id %d\n",
332 ts->msdu_id);
333 return;
334 }
335
336 skb_cb = ATH11K_SKB_CB(msdu);
337 info = IEEE80211_SKB_CB(msdu);
338
339 ar = skb_cb->ar;
340
341 if (atomic_dec_and_test(&ar->dp.num_tx_pending))
342 wake_up(&ar->dp.tx_empty_waitq);
343
344 dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
345
346 if (!skb_cb->vif) {
347 ieee80211_free_txskb(ar->hw, msdu);
348 return;
349 }
350
351 memset(&info->status, 0, sizeof(info->status));
352
353 if (ts->acked) {
354 if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) {
355 info->flags |= IEEE80211_TX_STAT_ACK;
356 info->status.ack_signal = ts->ack_rssi;
357
358 if (!test_bit(WMI_TLV_SERVICE_HW_DB2DBM_CONVERSION_SUPPORT,
359 ab->wmi_ab.svc_map))
360 info->status.ack_signal += ATH11K_DEFAULT_NOISE_FLOOR;
361
362 info->status.flags |=
363 IEEE80211_TX_STATUS_ACK_SIGNAL_VALID;
364 } else {
365 info->flags |= IEEE80211_TX_STAT_NOACK_TRANSMITTED;
366 }
367 }
368
369 spin_lock_bh(&ab->base_lock);
370 peer = ath11k_peer_find_by_id(ab, ts->peer_id);
371 if (!peer || !peer->sta) {
372 ath11k_dbg(ab, ATH11K_DBG_DATA,
373 "dp_tx: failed to find the peer with peer_id %d\n",
374 ts->peer_id);
375 spin_unlock_bh(&ab->base_lock);
376 ieee80211_free_txskb(ar->hw, msdu);
377 return;
378 }
379 spin_unlock_bh(&ab->base_lock);
380
381 status.sta = peer->sta;
382 status.info = info;
383 status.skb = msdu;
384
385 ieee80211_tx_status_ext(ar->hw, &status);
386 }
387
388 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)389 ath11k_dp_tx_process_htt_tx_complete(struct ath11k_base *ab,
390 void *desc, u8 mac_id,
391 u32 msdu_id, struct dp_tx_ring *tx_ring)
392 {
393 struct htt_tx_wbm_completion *status_desc;
394 struct ath11k_dp_htt_wbm_tx_status ts = {0};
395 enum hal_wbm_htt_tx_comp_status wbm_status;
396
397 status_desc = desc + HTT_TX_WBM_COMP_STATUS_OFFSET;
398
399 wbm_status = FIELD_GET(HTT_TX_WBM_COMP_INFO0_STATUS,
400 status_desc->info0);
401 switch (wbm_status) {
402 case HAL_WBM_REL_HTT_TX_COMP_STATUS_OK:
403 case HAL_WBM_REL_HTT_TX_COMP_STATUS_DROP:
404 case HAL_WBM_REL_HTT_TX_COMP_STATUS_TTL:
405 ts.acked = (wbm_status == HAL_WBM_REL_HTT_TX_COMP_STATUS_OK);
406 ts.msdu_id = msdu_id;
407 ts.ack_rssi = FIELD_GET(HTT_TX_WBM_COMP_INFO1_ACK_RSSI,
408 status_desc->info1);
409
410 if (FIELD_GET(HTT_TX_WBM_COMP_INFO2_VALID, status_desc->info2))
411 ts.peer_id = FIELD_GET(HTT_TX_WBM_COMP_INFO2_SW_PEER_ID,
412 status_desc->info2);
413 else
414 ts.peer_id = HTT_INVALID_PEER_ID;
415
416 ath11k_dp_tx_htt_tx_complete_buf(ab, tx_ring, &ts);
417
418 break;
419 case HAL_WBM_REL_HTT_TX_COMP_STATUS_REINJ:
420 case HAL_WBM_REL_HTT_TX_COMP_STATUS_INSPECT:
421 ath11k_dp_tx_free_txbuf(ab, mac_id, msdu_id, tx_ring);
422 break;
423 case HAL_WBM_REL_HTT_TX_COMP_STATUS_MEC_NOTIFY:
424 /* This event is to be handled only when the driver decides to
425 * use WDS offload functionality.
426 */
427 break;
428 default:
429 ath11k_warn(ab, "Unknown htt tx status %d\n", wbm_status);
430 break;
431 }
432 }
433
ath11k_dp_tx_cache_peer_stats(struct ath11k * ar,struct sk_buff * msdu,struct hal_tx_status * ts)434 static void ath11k_dp_tx_cache_peer_stats(struct ath11k *ar,
435 struct sk_buff *msdu,
436 struct hal_tx_status *ts)
437 {
438 struct ath11k_per_peer_tx_stats *peer_stats = &ar->cached_stats;
439
440 if (ts->try_cnt > 1) {
441 peer_stats->retry_pkts += ts->try_cnt - 1;
442 peer_stats->retry_bytes += (ts->try_cnt - 1) * msdu->len;
443
444 if (ts->status != HAL_WBM_TQM_REL_REASON_FRAME_ACKED) {
445 peer_stats->failed_pkts += 1;
446 peer_stats->failed_bytes += msdu->len;
447 }
448 }
449 }
450
ath11k_dp_tx_update_txcompl(struct ath11k * ar,struct hal_tx_status * ts)451 void ath11k_dp_tx_update_txcompl(struct ath11k *ar, struct hal_tx_status *ts)
452 {
453 struct ath11k_base *ab = ar->ab;
454 struct ath11k_per_peer_tx_stats *peer_stats = &ar->cached_stats;
455 enum hal_tx_rate_stats_pkt_type pkt_type;
456 enum hal_tx_rate_stats_sgi sgi;
457 enum hal_tx_rate_stats_bw bw;
458 struct ath11k_peer *peer;
459 struct ath11k_sta *arsta;
460 struct ieee80211_sta *sta;
461 u16 rate, ru_tones;
462 u8 mcs, rate_idx = 0, ofdma;
463 int ret;
464
465 spin_lock_bh(&ab->base_lock);
466 peer = ath11k_peer_find_by_id(ab, ts->peer_id);
467 if (!peer || !peer->sta) {
468 ath11k_dbg(ab, ATH11K_DBG_DP_TX,
469 "failed to find the peer by id %u\n", ts->peer_id);
470 goto err_out;
471 }
472
473 sta = peer->sta;
474 arsta = ath11k_sta_to_arsta(sta);
475
476 memset(&arsta->txrate, 0, sizeof(arsta->txrate));
477 pkt_type = FIELD_GET(HAL_TX_RATE_STATS_INFO0_PKT_TYPE,
478 ts->rate_stats);
479 mcs = FIELD_GET(HAL_TX_RATE_STATS_INFO0_MCS,
480 ts->rate_stats);
481 sgi = FIELD_GET(HAL_TX_RATE_STATS_INFO0_SGI,
482 ts->rate_stats);
483 bw = FIELD_GET(HAL_TX_RATE_STATS_INFO0_BW, ts->rate_stats);
484 ru_tones = FIELD_GET(HAL_TX_RATE_STATS_INFO0_TONES_IN_RU, ts->rate_stats);
485 ofdma = FIELD_GET(HAL_TX_RATE_STATS_INFO0_OFDMA_TX, ts->rate_stats);
486
487 /* This is to prefer choose the real NSS value arsta->last_txrate.nss,
488 * if it is invalid, then choose the NSS value while assoc.
489 */
490 if (arsta->last_txrate.nss)
491 arsta->txrate.nss = arsta->last_txrate.nss;
492 else
493 arsta->txrate.nss = arsta->peer_nss;
494
495 if (pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11A ||
496 pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11B) {
497 ret = ath11k_mac_hw_ratecode_to_legacy_rate(mcs,
498 pkt_type,
499 &rate_idx,
500 &rate);
501 if (ret < 0)
502 goto err_out;
503 arsta->txrate.legacy = rate;
504 } else if (pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11N) {
505 if (mcs > 7) {
506 ath11k_warn(ab, "Invalid HT mcs index %d\n", mcs);
507 goto err_out;
508 }
509
510 if (arsta->txrate.nss != 0)
511 arsta->txrate.mcs = mcs + 8 * (arsta->txrate.nss - 1);
512 arsta->txrate.flags = RATE_INFO_FLAGS_MCS;
513 if (sgi)
514 arsta->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
515 } else if (pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11AC) {
516 if (mcs > 9) {
517 ath11k_warn(ab, "Invalid VHT mcs index %d\n", mcs);
518 goto err_out;
519 }
520
521 arsta->txrate.mcs = mcs;
522 arsta->txrate.flags = RATE_INFO_FLAGS_VHT_MCS;
523 if (sgi)
524 arsta->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
525 } else if (pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11AX) {
526 if (mcs > 11) {
527 ath11k_warn(ab, "Invalid HE mcs index %d\n", mcs);
528 goto err_out;
529 }
530
531 arsta->txrate.mcs = mcs;
532 arsta->txrate.flags = RATE_INFO_FLAGS_HE_MCS;
533 arsta->txrate.he_gi = ath11k_mac_he_gi_to_nl80211_he_gi(sgi);
534 }
535
536 arsta->txrate.bw = ath11k_mac_bw_to_mac80211_bw(bw);
537 if (ofdma && pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11AX) {
538 arsta->txrate.bw = RATE_INFO_BW_HE_RU;
539 arsta->txrate.he_ru_alloc =
540 ath11k_mac_he_ru_tones_to_nl80211_he_ru_alloc(ru_tones);
541 }
542
543 if (ath11k_debugfs_is_extd_tx_stats_enabled(ar))
544 ath11k_debugfs_sta_add_tx_stats(arsta, peer_stats, rate_idx);
545
546 err_out:
547 spin_unlock_bh(&ab->base_lock);
548 }
549
ath11k_dp_tx_complete_msdu(struct ath11k * ar,struct sk_buff * msdu,struct hal_tx_status * ts)550 static void ath11k_dp_tx_complete_msdu(struct ath11k *ar,
551 struct sk_buff *msdu,
552 struct hal_tx_status *ts)
553 {
554 struct ieee80211_tx_status status = { 0 };
555 struct ieee80211_rate_status status_rate = { 0 };
556 struct ath11k_base *ab = ar->ab;
557 struct ieee80211_tx_info *info;
558 struct ath11k_skb_cb *skb_cb;
559 struct ath11k_peer *peer;
560 struct ath11k_sta *arsta;
561 struct rate_info rate;
562
563 if (WARN_ON_ONCE(ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_TQM)) {
564 /* Must not happen */
565 return;
566 }
567
568 skb_cb = ATH11K_SKB_CB(msdu);
569
570 dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
571
572 if (unlikely(!rcu_access_pointer(ab->pdevs_active[ar->pdev_idx]))) {
573 ieee80211_free_txskb(ar->hw, msdu);
574 return;
575 }
576
577 if (unlikely(!skb_cb->vif)) {
578 ieee80211_free_txskb(ar->hw, msdu);
579 return;
580 }
581
582 info = IEEE80211_SKB_CB(msdu);
583 memset(&info->status, 0, sizeof(info->status));
584
585 /* skip tx rate update from ieee80211_status*/
586 info->status.rates[0].idx = -1;
587
588 if (ts->status == HAL_WBM_TQM_REL_REASON_FRAME_ACKED &&
589 !(info->flags & IEEE80211_TX_CTL_NO_ACK)) {
590 info->flags |= IEEE80211_TX_STAT_ACK;
591 info->status.ack_signal = ts->ack_rssi;
592
593 if (!test_bit(WMI_TLV_SERVICE_HW_DB2DBM_CONVERSION_SUPPORT,
594 ab->wmi_ab.svc_map))
595 info->status.ack_signal += ATH11K_DEFAULT_NOISE_FLOOR;
596
597 info->status.flags |= IEEE80211_TX_STATUS_ACK_SIGNAL_VALID;
598 }
599
600 if (ts->status == HAL_WBM_TQM_REL_REASON_CMD_REMOVE_TX &&
601 (info->flags & IEEE80211_TX_CTL_NO_ACK))
602 info->flags |= IEEE80211_TX_STAT_NOACK_TRANSMITTED;
603
604 if (unlikely(ath11k_debugfs_is_extd_tx_stats_enabled(ar)) ||
605 ab->hw_params.single_pdev_only) {
606 if (ts->flags & HAL_TX_STATUS_FLAGS_FIRST_MSDU) {
607 if (ar->last_ppdu_id == 0) {
608 ar->last_ppdu_id = ts->ppdu_id;
609 } else if (ar->last_ppdu_id == ts->ppdu_id ||
610 ar->cached_ppdu_id == ar->last_ppdu_id) {
611 ar->cached_ppdu_id = ar->last_ppdu_id;
612 ar->cached_stats.is_ampdu = true;
613 ath11k_dp_tx_update_txcompl(ar, ts);
614 memset(&ar->cached_stats, 0,
615 sizeof(struct ath11k_per_peer_tx_stats));
616 } else {
617 ar->cached_stats.is_ampdu = false;
618 ath11k_dp_tx_update_txcompl(ar, ts);
619 memset(&ar->cached_stats, 0,
620 sizeof(struct ath11k_per_peer_tx_stats));
621 }
622 ar->last_ppdu_id = ts->ppdu_id;
623 }
624
625 ath11k_dp_tx_cache_peer_stats(ar, msdu, ts);
626 }
627
628 spin_lock_bh(&ab->base_lock);
629 peer = ath11k_peer_find_by_id(ab, ts->peer_id);
630 if (!peer || !peer->sta) {
631 ath11k_dbg(ab, ATH11K_DBG_DATA,
632 "dp_tx: failed to find the peer with peer_id %d\n",
633 ts->peer_id);
634 spin_unlock_bh(&ab->base_lock);
635 ieee80211_free_txskb(ar->hw, msdu);
636 return;
637 }
638 arsta = ath11k_sta_to_arsta(peer->sta);
639 status.sta = peer->sta;
640 status.skb = msdu;
641 status.info = info;
642 rate = arsta->last_txrate;
643
644 status_rate.rate_idx = rate;
645 status_rate.try_count = 1;
646
647 status.rates = &status_rate;
648 status.n_rates = 1;
649
650 spin_unlock_bh(&ab->base_lock);
651
652 ieee80211_tx_status_ext(ar->hw, &status);
653 }
654
ath11k_dp_tx_status_parse(struct ath11k_base * ab,struct hal_wbm_release_ring * desc,struct hal_tx_status * ts)655 static inline void ath11k_dp_tx_status_parse(struct ath11k_base *ab,
656 struct hal_wbm_release_ring *desc,
657 struct hal_tx_status *ts)
658 {
659 ts->buf_rel_source =
660 FIELD_GET(HAL_WBM_RELEASE_INFO0_REL_SRC_MODULE, desc->info0);
661 if (unlikely(ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_FW &&
662 ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_TQM))
663 return;
664
665 if (unlikely(ts->buf_rel_source == HAL_WBM_REL_SRC_MODULE_FW))
666 return;
667
668 ts->status = FIELD_GET(HAL_WBM_RELEASE_INFO0_TQM_RELEASE_REASON,
669 desc->info0);
670 ts->ppdu_id = FIELD_GET(HAL_WBM_RELEASE_INFO1_TQM_STATUS_NUMBER,
671 desc->info1);
672 ts->try_cnt = FIELD_GET(HAL_WBM_RELEASE_INFO1_TRANSMIT_COUNT,
673 desc->info1);
674 ts->ack_rssi = FIELD_GET(HAL_WBM_RELEASE_INFO2_ACK_FRAME_RSSI,
675 desc->info2);
676 if (desc->info2 & HAL_WBM_RELEASE_INFO2_FIRST_MSDU)
677 ts->flags |= HAL_TX_STATUS_FLAGS_FIRST_MSDU;
678 ts->peer_id = FIELD_GET(HAL_WBM_RELEASE_INFO3_PEER_ID, desc->info3);
679 ts->tid = FIELD_GET(HAL_WBM_RELEASE_INFO3_TID, desc->info3);
680 if (desc->rate_stats.info0 & HAL_TX_RATE_STATS_INFO0_VALID)
681 ts->rate_stats = desc->rate_stats.info0;
682 else
683 ts->rate_stats = 0;
684 }
685
ath11k_dp_tx_completion_handler(struct ath11k_base * ab,int ring_id)686 void ath11k_dp_tx_completion_handler(struct ath11k_base *ab, int ring_id)
687 {
688 struct ath11k *ar;
689 struct ath11k_dp *dp = &ab->dp;
690 int hal_ring_id = dp->tx_ring[ring_id].tcl_comp_ring.ring_id;
691 struct hal_srng *status_ring = &ab->hal.srng_list[hal_ring_id];
692 struct sk_buff *msdu;
693 struct hal_tx_status ts = { 0 };
694 struct dp_tx_ring *tx_ring = &dp->tx_ring[ring_id];
695 u32 *desc;
696 u32 msdu_id;
697 u8 mac_id;
698
699 spin_lock_bh(&status_ring->lock);
700
701 ath11k_hal_srng_access_begin(ab, status_ring);
702
703 while ((ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_head) !=
704 tx_ring->tx_status_tail) &&
705 (desc = ath11k_hal_srng_dst_get_next_entry(ab, status_ring))) {
706 memcpy(&tx_ring->tx_status[tx_ring->tx_status_head],
707 desc, sizeof(struct hal_wbm_release_ring));
708 tx_ring->tx_status_head =
709 ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_head);
710 }
711
712 if (unlikely((ath11k_hal_srng_dst_peek(ab, status_ring) != NULL) &&
713 (ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_head) ==
714 tx_ring->tx_status_tail))) {
715 /* TODO: Process pending tx_status messages when kfifo_is_full() */
716 ath11k_warn(ab, "Unable to process some of the tx_status ring desc because status_fifo is full\n");
717 }
718
719 ath11k_hal_srng_access_end(ab, status_ring);
720
721 spin_unlock_bh(&status_ring->lock);
722
723 while (ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_tail) != tx_ring->tx_status_head) {
724 struct hal_wbm_release_ring *tx_status;
725 u32 desc_id;
726
727 tx_ring->tx_status_tail =
728 ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_tail);
729 tx_status = &tx_ring->tx_status[tx_ring->tx_status_tail];
730 ath11k_dp_tx_status_parse(ab, tx_status, &ts);
731
732 desc_id = FIELD_GET(BUFFER_ADDR_INFO1_SW_COOKIE,
733 tx_status->buf_addr_info.info1);
734 mac_id = FIELD_GET(DP_TX_DESC_ID_MAC_ID, desc_id);
735 msdu_id = FIELD_GET(DP_TX_DESC_ID_MSDU_ID, desc_id);
736
737 if (unlikely(ts.buf_rel_source == HAL_WBM_REL_SRC_MODULE_FW)) {
738 ath11k_dp_tx_process_htt_tx_complete(ab,
739 (void *)tx_status,
740 mac_id, msdu_id,
741 tx_ring);
742 continue;
743 }
744
745 spin_lock(&tx_ring->tx_idr_lock);
746 msdu = idr_remove(&tx_ring->txbuf_idr, msdu_id);
747 if (unlikely(!msdu)) {
748 ath11k_warn(ab, "tx completion for unknown msdu_id %d\n",
749 msdu_id);
750 spin_unlock(&tx_ring->tx_idr_lock);
751 continue;
752 }
753
754 spin_unlock(&tx_ring->tx_idr_lock);
755
756 ar = ab->pdevs[mac_id].ar;
757
758 if (atomic_dec_and_test(&ar->dp.num_tx_pending))
759 wake_up(&ar->dp.tx_empty_waitq);
760
761 ath11k_dp_tx_complete_msdu(ar, msdu, &ts);
762 }
763 }
764
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))765 int ath11k_dp_tx_send_reo_cmd(struct ath11k_base *ab, struct dp_rx_tid *rx_tid,
766 enum hal_reo_cmd_type type,
767 struct ath11k_hal_reo_cmd *cmd,
768 void (*cb)(struct ath11k_dp *, void *,
769 enum hal_reo_cmd_status))
770 {
771 struct ath11k_dp *dp = &ab->dp;
772 struct dp_reo_cmd *dp_cmd;
773 struct hal_srng *cmd_ring;
774 int cmd_num;
775
776 if (test_bit(ATH11K_FLAG_CRASH_FLUSH, &ab->dev_flags))
777 return -ESHUTDOWN;
778
779 cmd_ring = &ab->hal.srng_list[dp->reo_cmd_ring.ring_id];
780 cmd_num = ath11k_hal_reo_cmd_send(ab, cmd_ring, type, cmd);
781
782 /* cmd_num should start from 1, during failure return the error code */
783 if (cmd_num < 0)
784 return cmd_num;
785
786 /* reo cmd ring descriptors has cmd_num starting from 1 */
787 if (cmd_num == 0)
788 return -EINVAL;
789
790 if (!cb)
791 return 0;
792
793 /* Can this be optimized so that we keep the pending command list only
794 * for tid delete command to free up the resource on the command status
795 * indication?
796 */
797 dp_cmd = kzalloc(sizeof(*dp_cmd), GFP_ATOMIC);
798
799 if (!dp_cmd)
800 return -ENOMEM;
801
802 memcpy(&dp_cmd->data, rx_tid, sizeof(struct dp_rx_tid));
803 dp_cmd->cmd_num = cmd_num;
804 dp_cmd->handler = cb;
805
806 spin_lock_bh(&dp->reo_cmd_lock);
807 list_add_tail(&dp_cmd->list, &dp->reo_cmd_list);
808 spin_unlock_bh(&dp->reo_cmd_lock);
809
810 return 0;
811 }
812
813 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)814 ath11k_dp_tx_get_ring_id_type(struct ath11k_base *ab,
815 int mac_id, u32 ring_id,
816 enum hal_ring_type ring_type,
817 enum htt_srng_ring_type *htt_ring_type,
818 enum htt_srng_ring_id *htt_ring_id)
819 {
820 int lmac_ring_id_offset = 0;
821 int ret = 0;
822
823 switch (ring_type) {
824 case HAL_RXDMA_BUF:
825 lmac_ring_id_offset = mac_id * HAL_SRNG_RINGS_PER_LMAC;
826
827 /* for QCA6390, host fills rx buffer to fw and fw fills to
828 * rxbuf ring for each rxdma
829 */
830 if (!ab->hw_params.rx_mac_buf_ring) {
831 if (!(ring_id == (HAL_SRNG_RING_ID_WMAC1_SW2RXDMA0_BUF +
832 lmac_ring_id_offset) ||
833 ring_id == (HAL_SRNG_RING_ID_WMAC1_SW2RXDMA1_BUF +
834 lmac_ring_id_offset))) {
835 ret = -EINVAL;
836 }
837 *htt_ring_id = HTT_RXDMA_HOST_BUF_RING;
838 *htt_ring_type = HTT_SW_TO_HW_RING;
839 } else {
840 if (ring_id == HAL_SRNG_RING_ID_WMAC1_SW2RXDMA0_BUF) {
841 *htt_ring_id = HTT_HOST1_TO_FW_RXBUF_RING;
842 *htt_ring_type = HTT_SW_TO_SW_RING;
843 } else {
844 *htt_ring_id = HTT_RXDMA_HOST_BUF_RING;
845 *htt_ring_type = HTT_SW_TO_HW_RING;
846 }
847 }
848 break;
849 case HAL_RXDMA_DST:
850 *htt_ring_id = HTT_RXDMA_NON_MONITOR_DEST_RING;
851 *htt_ring_type = HTT_HW_TO_SW_RING;
852 break;
853 case HAL_RXDMA_MONITOR_BUF:
854 *htt_ring_id = HTT_RXDMA_MONITOR_BUF_RING;
855 *htt_ring_type = HTT_SW_TO_HW_RING;
856 break;
857 case HAL_RXDMA_MONITOR_STATUS:
858 *htt_ring_id = HTT_RXDMA_MONITOR_STATUS_RING;
859 *htt_ring_type = HTT_SW_TO_HW_RING;
860 break;
861 case HAL_RXDMA_MONITOR_DST:
862 *htt_ring_id = HTT_RXDMA_MONITOR_DEST_RING;
863 *htt_ring_type = HTT_HW_TO_SW_RING;
864 break;
865 case HAL_RXDMA_MONITOR_DESC:
866 *htt_ring_id = HTT_RXDMA_MONITOR_DESC_RING;
867 *htt_ring_type = HTT_SW_TO_HW_RING;
868 break;
869 default:
870 ath11k_warn(ab, "Unsupported ring type in DP :%d\n", ring_type);
871 ret = -EINVAL;
872 }
873 return ret;
874 }
875
ath11k_dp_tx_htt_srng_setup(struct ath11k_base * ab,u32 ring_id,int mac_id,enum hal_ring_type ring_type)876 int ath11k_dp_tx_htt_srng_setup(struct ath11k_base *ab, u32 ring_id,
877 int mac_id, enum hal_ring_type ring_type)
878 {
879 struct htt_srng_setup_cmd *cmd;
880 struct hal_srng *srng = &ab->hal.srng_list[ring_id];
881 struct hal_srng_params params;
882 struct sk_buff *skb;
883 u32 ring_entry_sz;
884 int len = sizeof(*cmd);
885 dma_addr_t hp_addr, tp_addr;
886 enum htt_srng_ring_type htt_ring_type;
887 enum htt_srng_ring_id htt_ring_id;
888 int ret;
889
890 skb = ath11k_htc_alloc_skb(ab, len);
891 if (!skb)
892 return -ENOMEM;
893
894 memset(¶ms, 0, sizeof(params));
895 ath11k_hal_srng_get_params(ab, srng, ¶ms);
896
897 hp_addr = ath11k_hal_srng_get_hp_addr(ab, srng);
898 tp_addr = ath11k_hal_srng_get_tp_addr(ab, srng);
899
900 ret = ath11k_dp_tx_get_ring_id_type(ab, mac_id, ring_id,
901 ring_type, &htt_ring_type,
902 &htt_ring_id);
903 if (ret)
904 goto err_free;
905
906 skb_put(skb, len);
907 cmd = (struct htt_srng_setup_cmd *)skb->data;
908 cmd->info0 = FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_MSG_TYPE,
909 HTT_H2T_MSG_TYPE_SRING_SETUP);
910 if (htt_ring_type == HTT_SW_TO_HW_RING ||
911 htt_ring_type == HTT_HW_TO_SW_RING)
912 cmd->info0 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_PDEV_ID,
913 DP_SW2HW_MACID(mac_id));
914 else
915 cmd->info0 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_PDEV_ID,
916 mac_id);
917 cmd->info0 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_RING_TYPE,
918 htt_ring_type);
919 cmd->info0 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_RING_ID, htt_ring_id);
920
921 cmd->ring_base_addr_lo = params.ring_base_paddr &
922 HAL_ADDR_LSB_REG_MASK;
923
924 cmd->ring_base_addr_hi = (u64)params.ring_base_paddr >>
925 HAL_ADDR_MSB_REG_SHIFT;
926
927 ret = ath11k_hal_srng_get_entrysize(ab, ring_type);
928 if (ret < 0)
929 goto err_free;
930
931 ring_entry_sz = ret;
932
933 ring_entry_sz >>= 2;
934 cmd->info1 = FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO1_RING_ENTRY_SIZE,
935 ring_entry_sz);
936 cmd->info1 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO1_RING_SIZE,
937 params.num_entries * ring_entry_sz);
938 cmd->info1 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO1_RING_FLAGS_MSI_SWAP,
939 !!(params.flags & HAL_SRNG_FLAGS_MSI_SWAP));
940 cmd->info1 |= FIELD_PREP(
941 HTT_SRNG_SETUP_CMD_INFO1_RING_FLAGS_TLV_SWAP,
942 !!(params.flags & HAL_SRNG_FLAGS_DATA_TLV_SWAP));
943 cmd->info1 |= FIELD_PREP(
944 HTT_SRNG_SETUP_CMD_INFO1_RING_FLAGS_HOST_FW_SWAP,
945 !!(params.flags & HAL_SRNG_FLAGS_RING_PTR_SWAP));
946 if (htt_ring_type == HTT_SW_TO_HW_RING)
947 cmd->info1 |= HTT_SRNG_SETUP_CMD_INFO1_RING_LOOP_CNT_DIS;
948
949 cmd->ring_head_off32_remote_addr_lo = hp_addr & HAL_ADDR_LSB_REG_MASK;
950 cmd->ring_head_off32_remote_addr_hi = (u64)hp_addr >>
951 HAL_ADDR_MSB_REG_SHIFT;
952
953 cmd->ring_tail_off32_remote_addr_lo = tp_addr & HAL_ADDR_LSB_REG_MASK;
954 cmd->ring_tail_off32_remote_addr_hi = (u64)tp_addr >>
955 HAL_ADDR_MSB_REG_SHIFT;
956
957 cmd->ring_msi_addr_lo = lower_32_bits(params.msi_addr);
958 cmd->ring_msi_addr_hi = upper_32_bits(params.msi_addr);
959 cmd->msi_data = params.msi_data;
960
961 cmd->intr_info = FIELD_PREP(
962 HTT_SRNG_SETUP_CMD_INTR_INFO_BATCH_COUNTER_THRESH,
963 params.intr_batch_cntr_thres_entries * ring_entry_sz);
964 cmd->intr_info |= FIELD_PREP(
965 HTT_SRNG_SETUP_CMD_INTR_INFO_INTR_TIMER_THRESH,
966 params.intr_timer_thres_us >> 3);
967
968 cmd->info2 = 0;
969 if (params.flags & HAL_SRNG_FLAGS_LOW_THRESH_INTR_EN) {
970 cmd->info2 = FIELD_PREP(
971 HTT_SRNG_SETUP_CMD_INFO2_INTR_LOW_THRESH,
972 params.low_threshold);
973 }
974
975 ath11k_dbg(ab, ATH11K_DBG_DP_TX,
976 "htt srng setup msi_addr_lo 0x%x msi_addr_hi 0x%x msi_data 0x%x ring_id %d ring_type %d intr_info 0x%x flags 0x%x\n",
977 cmd->ring_msi_addr_lo, cmd->ring_msi_addr_hi,
978 cmd->msi_data, ring_id, ring_type, cmd->intr_info, cmd->info2);
979
980 ret = ath11k_htc_send(&ab->htc, ab->dp.eid, skb);
981 if (ret)
982 goto err_free;
983
984 return 0;
985
986 err_free:
987 dev_kfree_skb_any(skb);
988
989 return ret;
990 }
991
992 #define HTT_TARGET_VERSION_TIMEOUT_HZ (3 * HZ)
993
ath11k_dp_tx_htt_h2t_ver_req_msg(struct ath11k_base * ab)994 int ath11k_dp_tx_htt_h2t_ver_req_msg(struct ath11k_base *ab)
995 {
996 struct ath11k_dp *dp = &ab->dp;
997 struct sk_buff *skb;
998 struct htt_ver_req_cmd *cmd;
999 int len = sizeof(*cmd);
1000 int ret;
1001
1002 init_completion(&dp->htt_tgt_version_received);
1003
1004 skb = ath11k_htc_alloc_skb(ab, len);
1005 if (!skb)
1006 return -ENOMEM;
1007
1008 skb_put(skb, len);
1009 cmd = (struct htt_ver_req_cmd *)skb->data;
1010 cmd->ver_reg_info = FIELD_PREP(HTT_VER_REQ_INFO_MSG_ID,
1011 HTT_H2T_MSG_TYPE_VERSION_REQ);
1012
1013 ret = ath11k_htc_send(&ab->htc, dp->eid, skb);
1014 if (ret) {
1015 dev_kfree_skb_any(skb);
1016 return ret;
1017 }
1018
1019 ret = wait_for_completion_timeout(&dp->htt_tgt_version_received,
1020 HTT_TARGET_VERSION_TIMEOUT_HZ);
1021 if (ret == 0) {
1022 ath11k_warn(ab, "htt target version request timed out\n");
1023 return -ETIMEDOUT;
1024 }
1025
1026 if (dp->htt_tgt_ver_major != HTT_TARGET_VERSION_MAJOR) {
1027 ath11k_err(ab, "unsupported htt major version %d supported version is %d\n",
1028 dp->htt_tgt_ver_major, HTT_TARGET_VERSION_MAJOR);
1029 return -EOPNOTSUPP;
1030 }
1031
1032 return 0;
1033 }
1034
ath11k_dp_tx_htt_h2t_ppdu_stats_req(struct ath11k * ar,u32 mask)1035 int ath11k_dp_tx_htt_h2t_ppdu_stats_req(struct ath11k *ar, u32 mask)
1036 {
1037 struct ath11k_base *ab = ar->ab;
1038 struct ath11k_dp *dp = &ab->dp;
1039 struct sk_buff *skb;
1040 struct htt_ppdu_stats_cfg_cmd *cmd;
1041 int len = sizeof(*cmd);
1042 u8 pdev_mask;
1043 int ret;
1044 int i;
1045
1046 for (i = 0; i < ab->hw_params.num_rxdma_per_pdev; i++) {
1047 skb = ath11k_htc_alloc_skb(ab, len);
1048 if (!skb)
1049 return -ENOMEM;
1050
1051 skb_put(skb, len);
1052 cmd = (struct htt_ppdu_stats_cfg_cmd *)skb->data;
1053 cmd->msg = FIELD_PREP(HTT_PPDU_STATS_CFG_MSG_TYPE,
1054 HTT_H2T_MSG_TYPE_PPDU_STATS_CFG);
1055
1056 pdev_mask = 1 << (ar->pdev_idx + i);
1057 cmd->msg |= FIELD_PREP(HTT_PPDU_STATS_CFG_PDEV_ID, pdev_mask);
1058 cmd->msg |= FIELD_PREP(HTT_PPDU_STATS_CFG_TLV_TYPE_BITMASK, mask);
1059
1060 ret = ath11k_htc_send(&ab->htc, dp->eid, skb);
1061 if (ret) {
1062 dev_kfree_skb_any(skb);
1063 return ret;
1064 }
1065 }
1066
1067 return 0;
1068 }
1069
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)1070 int ath11k_dp_tx_htt_rx_filter_setup(struct ath11k_base *ab, u32 ring_id,
1071 int mac_id, enum hal_ring_type ring_type,
1072 int rx_buf_size,
1073 struct htt_rx_ring_tlv_filter *tlv_filter)
1074 {
1075 struct htt_rx_ring_selection_cfg_cmd *cmd;
1076 struct hal_srng *srng = &ab->hal.srng_list[ring_id];
1077 struct hal_srng_params params;
1078 struct sk_buff *skb;
1079 int len = sizeof(*cmd);
1080 enum htt_srng_ring_type htt_ring_type;
1081 enum htt_srng_ring_id htt_ring_id;
1082 int ret;
1083
1084 skb = ath11k_htc_alloc_skb(ab, len);
1085 if (!skb)
1086 return -ENOMEM;
1087
1088 memset(¶ms, 0, sizeof(params));
1089 ath11k_hal_srng_get_params(ab, srng, ¶ms);
1090
1091 ret = ath11k_dp_tx_get_ring_id_type(ab, mac_id, ring_id,
1092 ring_type, &htt_ring_type,
1093 &htt_ring_id);
1094 if (ret)
1095 goto err_free;
1096
1097 skb_put(skb, len);
1098 cmd = (struct htt_rx_ring_selection_cfg_cmd *)skb->data;
1099 cmd->info0 = FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_MSG_TYPE,
1100 HTT_H2T_MSG_TYPE_RX_RING_SELECTION_CFG);
1101 if (htt_ring_type == HTT_SW_TO_HW_RING ||
1102 htt_ring_type == HTT_HW_TO_SW_RING)
1103 cmd->info0 |=
1104 FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_PDEV_ID,
1105 DP_SW2HW_MACID(mac_id));
1106 else
1107 cmd->info0 |=
1108 FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_PDEV_ID,
1109 mac_id);
1110 cmd->info0 |= FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_RING_ID,
1111 htt_ring_id);
1112 cmd->info0 |= FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_SS,
1113 !!(params.flags & HAL_SRNG_FLAGS_MSI_SWAP));
1114 cmd->info0 |= FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_PS,
1115 !!(params.flags & HAL_SRNG_FLAGS_DATA_TLV_SWAP));
1116
1117 cmd->info1 = FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO1_BUF_SIZE,
1118 rx_buf_size);
1119 cmd->pkt_type_en_flags0 = tlv_filter->pkt_filter_flags0;
1120 cmd->pkt_type_en_flags1 = tlv_filter->pkt_filter_flags1;
1121 cmd->pkt_type_en_flags2 = tlv_filter->pkt_filter_flags2;
1122 cmd->pkt_type_en_flags3 = tlv_filter->pkt_filter_flags3;
1123 cmd->rx_filter_tlv = tlv_filter->rx_filter;
1124
1125 ret = ath11k_htc_send(&ab->htc, ab->dp.eid, skb);
1126 if (ret)
1127 goto err_free;
1128
1129 return 0;
1130
1131 err_free:
1132 dev_kfree_skb_any(skb);
1133
1134 return ret;
1135 }
1136
1137 int
ath11k_dp_tx_htt_h2t_ext_stats_req(struct ath11k * ar,u8 type,struct htt_ext_stats_cfg_params * cfg_params,u64 cookie)1138 ath11k_dp_tx_htt_h2t_ext_stats_req(struct ath11k *ar, u8 type,
1139 struct htt_ext_stats_cfg_params *cfg_params,
1140 u64 cookie)
1141 {
1142 struct ath11k_base *ab = ar->ab;
1143 struct ath11k_dp *dp = &ab->dp;
1144 struct sk_buff *skb;
1145 struct htt_ext_stats_cfg_cmd *cmd;
1146 u32 pdev_id;
1147 int len = sizeof(*cmd);
1148 int ret;
1149
1150 skb = ath11k_htc_alloc_skb(ab, len);
1151 if (!skb)
1152 return -ENOMEM;
1153
1154 skb_put(skb, len);
1155
1156 cmd = (struct htt_ext_stats_cfg_cmd *)skb->data;
1157 memset(cmd, 0, sizeof(*cmd));
1158 cmd->hdr.msg_type = HTT_H2T_MSG_TYPE_EXT_STATS_CFG;
1159
1160 if (ab->hw_params.single_pdev_only)
1161 pdev_id = ath11k_mac_get_target_pdev_id(ar);
1162 else
1163 pdev_id = ar->pdev->pdev_id;
1164
1165 cmd->hdr.pdev_mask = 1 << pdev_id;
1166
1167 cmd->hdr.stats_type = type;
1168 cmd->cfg_param0 = cfg_params->cfg0;
1169 cmd->cfg_param1 = cfg_params->cfg1;
1170 cmd->cfg_param2 = cfg_params->cfg2;
1171 cmd->cfg_param3 = cfg_params->cfg3;
1172 cmd->cookie_lsb = lower_32_bits(cookie);
1173 cmd->cookie_msb = upper_32_bits(cookie);
1174
1175 ret = ath11k_htc_send(&ab->htc, dp->eid, skb);
1176 if (ret) {
1177 ath11k_warn(ab, "failed to send htt type stats request: %d",
1178 ret);
1179 dev_kfree_skb_any(skb);
1180 return ret;
1181 }
1182
1183 return 0;
1184 }
1185
ath11k_dp_tx_htt_monitor_mode_ring_config(struct ath11k * ar,bool reset)1186 int ath11k_dp_tx_htt_monitor_mode_ring_config(struct ath11k *ar, bool reset)
1187 {
1188 struct ath11k_pdev_dp *dp = &ar->dp;
1189 struct ath11k_base *ab = ar->ab;
1190 struct htt_rx_ring_tlv_filter tlv_filter = {0};
1191 int ret = 0, ring_id = 0, i;
1192
1193 if (ab->hw_params.full_monitor_mode) {
1194 ret = ath11k_dp_tx_htt_rx_full_mon_setup(ab,
1195 dp->mac_id, !reset);
1196 if (ret < 0) {
1197 ath11k_err(ab, "failed to setup full monitor %d\n", ret);
1198 return ret;
1199 }
1200 }
1201
1202 ring_id = dp->rxdma_mon_buf_ring.refill_buf_ring.ring_id;
1203
1204 if (!reset) {
1205 tlv_filter.rx_filter = HTT_RX_MON_FILTER_TLV_FLAGS_MON_BUF_RING;
1206 tlv_filter.pkt_filter_flags0 =
1207 HTT_RX_MON_FP_MGMT_FILTER_FLAGS0 |
1208 HTT_RX_MON_MO_MGMT_FILTER_FLAGS0;
1209 tlv_filter.pkt_filter_flags1 =
1210 HTT_RX_MON_FP_MGMT_FILTER_FLAGS1 |
1211 HTT_RX_MON_MO_MGMT_FILTER_FLAGS1;
1212 tlv_filter.pkt_filter_flags2 =
1213 HTT_RX_MON_FP_CTRL_FILTER_FLASG2 |
1214 HTT_RX_MON_MO_CTRL_FILTER_FLASG2;
1215 tlv_filter.pkt_filter_flags3 =
1216 HTT_RX_MON_FP_CTRL_FILTER_FLASG3 |
1217 HTT_RX_MON_MO_CTRL_FILTER_FLASG3 |
1218 HTT_RX_MON_FP_DATA_FILTER_FLASG3 |
1219 HTT_RX_MON_MO_DATA_FILTER_FLASG3;
1220 }
1221
1222 if (ab->hw_params.rxdma1_enable) {
1223 ret = ath11k_dp_tx_htt_rx_filter_setup(ar->ab, ring_id, dp->mac_id,
1224 HAL_RXDMA_MONITOR_BUF,
1225 DP_RXDMA_REFILL_RING_SIZE,
1226 &tlv_filter);
1227 } else if (!reset) {
1228 /* set in monitor mode only */
1229 for (i = 0; i < ab->hw_params.num_rxdma_per_pdev; i++) {
1230 ring_id = dp->rx_mac_buf_ring[i].ring_id;
1231 ret = ath11k_dp_tx_htt_rx_filter_setup(ar->ab, ring_id,
1232 dp->mac_id + i,
1233 HAL_RXDMA_BUF,
1234 1024,
1235 &tlv_filter);
1236 }
1237 }
1238
1239 if (ret)
1240 return ret;
1241
1242 for (i = 0; i < ab->hw_params.num_rxdma_per_pdev; i++) {
1243 ring_id = dp->rx_mon_status_refill_ring[i].refill_buf_ring.ring_id;
1244 if (!reset) {
1245 tlv_filter.rx_filter =
1246 HTT_RX_MON_FILTER_TLV_FLAGS_MON_STATUS_RING;
1247 } else {
1248 tlv_filter = ath11k_mac_mon_status_filter_default;
1249
1250 if (ath11k_debugfs_is_extd_rx_stats_enabled(ar))
1251 tlv_filter.rx_filter = ath11k_debugfs_rx_filter(ar);
1252 }
1253
1254 ret = ath11k_dp_tx_htt_rx_filter_setup(ab, ring_id,
1255 dp->mac_id + i,
1256 HAL_RXDMA_MONITOR_STATUS,
1257 DP_RXDMA_REFILL_RING_SIZE,
1258 &tlv_filter);
1259 }
1260
1261 if (!ar->ab->hw_params.rxdma1_enable)
1262 mod_timer(&ar->ab->mon_reap_timer, jiffies +
1263 msecs_to_jiffies(ATH11K_MON_TIMER_INTERVAL));
1264
1265 return ret;
1266 }
1267
ath11k_dp_tx_htt_rx_full_mon_setup(struct ath11k_base * ab,int mac_id,bool config)1268 int ath11k_dp_tx_htt_rx_full_mon_setup(struct ath11k_base *ab, int mac_id,
1269 bool config)
1270 {
1271 struct htt_rx_full_monitor_mode_cfg_cmd *cmd;
1272 struct sk_buff *skb;
1273 int ret, len = sizeof(*cmd);
1274
1275 skb = ath11k_htc_alloc_skb(ab, len);
1276 if (!skb)
1277 return -ENOMEM;
1278
1279 skb_put(skb, len);
1280 cmd = (struct htt_rx_full_monitor_mode_cfg_cmd *)skb->data;
1281 memset(cmd, 0, sizeof(*cmd));
1282 cmd->info0 = FIELD_PREP(HTT_RX_FULL_MON_MODE_CFG_CMD_INFO0_MSG_TYPE,
1283 HTT_H2T_MSG_TYPE_RX_FULL_MONITOR_MODE);
1284
1285 cmd->info0 |= FIELD_PREP(HTT_RX_FULL_MON_MODE_CFG_CMD_INFO0_PDEV_ID, mac_id);
1286
1287 cmd->cfg = HTT_RX_FULL_MON_MODE_CFG_CMD_CFG_ENABLE |
1288 FIELD_PREP(HTT_RX_FULL_MON_MODE_CFG_CMD_CFG_RELEASE_RING,
1289 HTT_RX_MON_RING_SW);
1290 if (config) {
1291 cmd->cfg |= HTT_RX_FULL_MON_MODE_CFG_CMD_CFG_ZERO_MPDUS_END |
1292 HTT_RX_FULL_MON_MODE_CFG_CMD_CFG_NON_ZERO_MPDUS_END;
1293 }
1294
1295 ret = ath11k_htc_send(&ab->htc, ab->dp.eid, skb);
1296 if (ret)
1297 goto err_free;
1298
1299 return 0;
1300
1301 err_free:
1302 dev_kfree_skb_any(skb);
1303
1304 return ret;
1305 }
1306