1// SPDX-License-Identifier: BSD-3-Clause-Clear
2/*
3 * Copyright (c) 2018-2021 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 "hw.h"
11
12static enum hal_tcl_encap_type
13ath12k_dp_tx_get_encap_type(struct ath12k_vif *arvif, struct sk_buff *skb)
14{
15 struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
16 struct ath12k_base *ab = arvif->ar->ab;
17
18 if (test_bit(ATH12K_FLAG_RAW_MODE, &ab->dev_flags))
19 return HAL_TCL_ENCAP_TYPE_RAW;
20
21 if (tx_info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP)
22 return HAL_TCL_ENCAP_TYPE_ETHERNET;
23
24 return HAL_TCL_ENCAP_TYPE_NATIVE_WIFI;
25}
26
27static void ath12k_dp_tx_encap_nwifi(struct sk_buff *skb)
28{
29 struct ieee80211_hdr *hdr = (void *)skb->data;
30 u8 *qos_ctl;
31
32 if (!ieee80211_is_data_qos(fc: hdr->frame_control))
33 return;
34
35 qos_ctl = ieee80211_get_qos_ctl(hdr);
36 memmove(skb->data + IEEE80211_QOS_CTL_LEN,
37 skb->data, (void *)qos_ctl - (void *)skb->data);
38 skb_pull(skb, IEEE80211_QOS_CTL_LEN);
39
40 hdr = (void *)skb->data;
41 hdr->frame_control &= ~__cpu_to_le16(IEEE80211_STYPE_QOS_DATA);
42}
43
44static u8 ath12k_dp_tx_get_tid(struct sk_buff *skb)
45{
46 struct ieee80211_hdr *hdr = (void *)skb->data;
47 struct ath12k_skb_cb *cb = ATH12K_SKB_CB(skb);
48
49 if (cb->flags & ATH12K_SKB_HW_80211_ENCAP)
50 return skb->priority & IEEE80211_QOS_CTL_TID_MASK;
51 else if (!ieee80211_is_data_qos(fc: hdr->frame_control))
52 return HAL_DESC_REO_NON_QOS_TID;
53 else
54 return skb->priority & IEEE80211_QOS_CTL_TID_MASK;
55}
56
57enum hal_encrypt_type ath12k_dp_tx_get_encrypt_type(u32 cipher)
58{
59 switch (cipher) {
60 case WLAN_CIPHER_SUITE_WEP40:
61 return HAL_ENCRYPT_TYPE_WEP_40;
62 case WLAN_CIPHER_SUITE_WEP104:
63 return HAL_ENCRYPT_TYPE_WEP_104;
64 case WLAN_CIPHER_SUITE_TKIP:
65 return HAL_ENCRYPT_TYPE_TKIP_MIC;
66 case WLAN_CIPHER_SUITE_CCMP:
67 return HAL_ENCRYPT_TYPE_CCMP_128;
68 case WLAN_CIPHER_SUITE_CCMP_256:
69 return HAL_ENCRYPT_TYPE_CCMP_256;
70 case WLAN_CIPHER_SUITE_GCMP:
71 return HAL_ENCRYPT_TYPE_GCMP_128;
72 case WLAN_CIPHER_SUITE_GCMP_256:
73 return HAL_ENCRYPT_TYPE_AES_GCMP_256;
74 default:
75 return HAL_ENCRYPT_TYPE_OPEN;
76 }
77}
78
79static void ath12k_dp_tx_release_txbuf(struct ath12k_dp *dp,
80 struct ath12k_tx_desc_info *tx_desc,
81 u8 pool_id)
82{
83 spin_lock_bh(lock: &dp->tx_desc_lock[pool_id]);
84 list_move_tail(list: &tx_desc->list, head: &dp->tx_desc_free_list[pool_id]);
85 spin_unlock_bh(lock: &dp->tx_desc_lock[pool_id]);
86}
87
88static struct ath12k_tx_desc_info *ath12k_dp_tx_assign_buffer(struct ath12k_dp *dp,
89 u8 pool_id)
90{
91 struct ath12k_tx_desc_info *desc;
92
93 spin_lock_bh(lock: &dp->tx_desc_lock[pool_id]);
94 desc = list_first_entry_or_null(&dp->tx_desc_free_list[pool_id],
95 struct ath12k_tx_desc_info,
96 list);
97 if (!desc) {
98 spin_unlock_bh(lock: &dp->tx_desc_lock[pool_id]);
99 ath12k_warn(ab: dp->ab, fmt: "failed to allocate data Tx buffer\n");
100 return NULL;
101 }
102
103 list_move_tail(list: &desc->list, head: &dp->tx_desc_used_list[pool_id]);
104 spin_unlock_bh(lock: &dp->tx_desc_lock[pool_id]);
105
106 return desc;
107}
108
109static void ath12k_hal_tx_cmd_ext_desc_setup(struct ath12k_base *ab,
110 struct hal_tx_msdu_ext_desc *tcl_ext_cmd,
111 struct hal_tx_info *ti)
112{
113 tcl_ext_cmd->info0 = le32_encode_bits(v: ti->paddr,
114 HAL_TX_MSDU_EXT_INFO0_BUF_PTR_LO);
115 tcl_ext_cmd->info1 = le32_encode_bits(v: 0x0,
116 HAL_TX_MSDU_EXT_INFO1_BUF_PTR_HI) |
117 le32_encode_bits(v: ti->data_len,
118 HAL_TX_MSDU_EXT_INFO1_BUF_LEN);
119
120 tcl_ext_cmd->info1 = le32_encode_bits(v: 1, HAL_TX_MSDU_EXT_INFO1_EXTN_OVERRIDE) |
121 le32_encode_bits(v: ti->encap_type,
122 HAL_TX_MSDU_EXT_INFO1_ENCAP_TYPE) |
123 le32_encode_bits(v: ti->encrypt_type,
124 HAL_TX_MSDU_EXT_INFO1_ENCRYPT_TYPE);
125}
126
127int ath12k_dp_tx(struct ath12k *ar, struct ath12k_vif *arvif,
128 struct sk_buff *skb)
129{
130 struct ath12k_base *ab = ar->ab;
131 struct ath12k_dp *dp = &ab->dp;
132 struct hal_tx_info ti = {0};
133 struct ath12k_tx_desc_info *tx_desc;
134 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
135 struct ath12k_skb_cb *skb_cb = ATH12K_SKB_CB(skb);
136 struct hal_tcl_data_cmd *hal_tcl_desc;
137 struct hal_tx_msdu_ext_desc *msg;
138 struct sk_buff *skb_ext_desc;
139 struct hal_srng *tcl_ring;
140 struct ieee80211_hdr *hdr = (void *)skb->data;
141 struct dp_tx_ring *tx_ring;
142 u8 pool_id;
143 u8 hal_ring_id;
144 int ret;
145 u8 ring_selector, ring_map = 0;
146 bool tcl_ring_retry;
147 bool msdu_ext_desc = false;
148
149 if (test_bit(ATH12K_FLAG_CRASH_FLUSH, &ar->ab->dev_flags))
150 return -ESHUTDOWN;
151
152 if (!(info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP) &&
153 !ieee80211_is_data(fc: hdr->frame_control))
154 return -EOPNOTSUPP;
155
156 pool_id = skb_get_queue_mapping(skb) & (ATH12K_HW_MAX_QUEUES - 1);
157
158 /* Let the default ring selection be based on current processor
159 * number, where one of the 3 tcl rings are selected based on
160 * the smp_processor_id(). In case that ring
161 * is full/busy, we resort to other available rings.
162 * If all rings are full, we drop the packet.
163 * TODO: Add throttling logic when all rings are full
164 */
165 ring_selector = ab->hw_params->hw_ops->get_ring_selector(skb);
166
167tcl_ring_sel:
168 tcl_ring_retry = false;
169 ti.ring_id = ring_selector % ab->hw_params->max_tx_ring;
170
171 ring_map |= BIT(ti.ring_id);
172 ti.rbm_id = ab->hw_params->hal_ops->tcl_to_wbm_rbm_map[ti.ring_id].rbm_id;
173
174 tx_ring = &dp->tx_ring[ti.ring_id];
175
176 tx_desc = ath12k_dp_tx_assign_buffer(dp, pool_id);
177 if (!tx_desc)
178 return -ENOMEM;
179
180 ti.bank_id = arvif->bank_id;
181 ti.meta_data_flags = arvif->tcl_metadata;
182
183 if (arvif->tx_encap_type == HAL_TCL_ENCAP_TYPE_RAW &&
184 test_bit(ATH12K_FLAG_HW_CRYPTO_DISABLED, &ar->ab->dev_flags)) {
185 if (skb_cb->flags & ATH12K_SKB_CIPHER_SET) {
186 ti.encrypt_type =
187 ath12k_dp_tx_get_encrypt_type(cipher: skb_cb->cipher);
188
189 if (ieee80211_has_protected(fc: hdr->frame_control))
190 skb_put(skb, IEEE80211_CCMP_MIC_LEN);
191 } else {
192 ti.encrypt_type = HAL_ENCRYPT_TYPE_OPEN;
193 }
194
195 msdu_ext_desc = true;
196 }
197
198 ti.encap_type = ath12k_dp_tx_get_encap_type(arvif, skb);
199 ti.addr_search_flags = arvif->hal_addr_search_flags;
200 ti.search_type = arvif->search_type;
201 ti.type = HAL_TCL_DESC_TYPE_BUFFER;
202 ti.pkt_offset = 0;
203 ti.lmac_id = ar->lmac_id;
204 ti.vdev_id = arvif->vdev_id;
205 ti.bss_ast_hash = arvif->ast_hash;
206 ti.bss_ast_idx = arvif->ast_idx;
207 ti.dscp_tid_tbl_idx = 0;
208
209 if (skb->ip_summed == CHECKSUM_PARTIAL &&
210 ti.encap_type != HAL_TCL_ENCAP_TYPE_RAW) {
211 ti.flags0 |= u32_encode_bits(v: 1, HAL_TCL_DATA_CMD_INFO2_IP4_CKSUM_EN) |
212 u32_encode_bits(v: 1, HAL_TCL_DATA_CMD_INFO2_UDP4_CKSUM_EN) |
213 u32_encode_bits(v: 1, HAL_TCL_DATA_CMD_INFO2_UDP6_CKSUM_EN) |
214 u32_encode_bits(v: 1, HAL_TCL_DATA_CMD_INFO2_TCP4_CKSUM_EN) |
215 u32_encode_bits(v: 1, HAL_TCL_DATA_CMD_INFO2_TCP6_CKSUM_EN);
216 }
217
218 ti.flags1 |= u32_encode_bits(v: 1, HAL_TCL_DATA_CMD_INFO3_TID_OVERWRITE);
219
220 ti.tid = ath12k_dp_tx_get_tid(skb);
221
222 switch (ti.encap_type) {
223 case HAL_TCL_ENCAP_TYPE_NATIVE_WIFI:
224 ath12k_dp_tx_encap_nwifi(skb);
225 break;
226 case HAL_TCL_ENCAP_TYPE_RAW:
227 if (!test_bit(ATH12K_FLAG_RAW_MODE, &ab->dev_flags)) {
228 ret = -EINVAL;
229 goto fail_remove_tx_buf;
230 }
231 break;
232 case HAL_TCL_ENCAP_TYPE_ETHERNET:
233 /* no need to encap */
234 break;
235 case HAL_TCL_ENCAP_TYPE_802_3:
236 default:
237 /* TODO: Take care of other encap modes as well */
238 ret = -EINVAL;
239 atomic_inc(v: &ab->soc_stats.tx_err.misc_fail);
240 goto fail_remove_tx_buf;
241 }
242
243 ti.paddr = dma_map_single(ab->dev, skb->data, skb->len, DMA_TO_DEVICE);
244 if (dma_mapping_error(dev: ab->dev, dma_addr: ti.paddr)) {
245 atomic_inc(v: &ab->soc_stats.tx_err.misc_fail);
246 ath12k_warn(ab, fmt: "failed to DMA map data Tx buffer\n");
247 ret = -ENOMEM;
248 goto fail_remove_tx_buf;
249 }
250
251 tx_desc->skb = skb;
252 tx_desc->mac_id = ar->pdev_idx;
253 ti.desc_id = tx_desc->desc_id;
254 ti.data_len = skb->len;
255 skb_cb->paddr = ti.paddr;
256 skb_cb->vif = arvif->vif;
257 skb_cb->ar = ar;
258
259 if (msdu_ext_desc) {
260 skb_ext_desc = dev_alloc_skb(length: sizeof(struct hal_tx_msdu_ext_desc));
261 if (!skb_ext_desc) {
262 ret = -ENOMEM;
263 goto fail_unmap_dma;
264 }
265
266 skb_put(skb: skb_ext_desc, len: sizeof(struct hal_tx_msdu_ext_desc));
267 memset(skb_ext_desc->data, 0, skb_ext_desc->len);
268
269 msg = (struct hal_tx_msdu_ext_desc *)skb_ext_desc->data;
270 ath12k_hal_tx_cmd_ext_desc_setup(ab, tcl_ext_cmd: msg, ti: &ti);
271
272 ti.paddr = dma_map_single(ab->dev, skb_ext_desc->data,
273 skb_ext_desc->len, DMA_TO_DEVICE);
274 ret = dma_mapping_error(dev: ab->dev, dma_addr: ti.paddr);
275 if (ret) {
276 kfree_skb(skb: skb_ext_desc);
277 goto fail_unmap_dma;
278 }
279
280 ti.data_len = skb_ext_desc->len;
281 ti.type = HAL_TCL_DESC_TYPE_EXT_DESC;
282
283 skb_cb->paddr_ext_desc = ti.paddr;
284 }
285
286 hal_ring_id = tx_ring->tcl_data_ring.ring_id;
287 tcl_ring = &ab->hal.srng_list[hal_ring_id];
288
289 spin_lock_bh(lock: &tcl_ring->lock);
290
291 ath12k_hal_srng_access_begin(ab, srng: tcl_ring);
292
293 hal_tcl_desc = ath12k_hal_srng_src_get_next_entry(ab, srng: tcl_ring);
294 if (!hal_tcl_desc) {
295 /* NOTE: It is highly unlikely we'll be running out of tcl_ring
296 * desc because the desc is directly enqueued onto hw queue.
297 */
298 ath12k_hal_srng_access_end(ab, srng: tcl_ring);
299 ab->soc_stats.tx_err.desc_na[ti.ring_id]++;
300 spin_unlock_bh(lock: &tcl_ring->lock);
301 ret = -ENOMEM;
302
303 /* Checking for available tcl descriptors in another ring in
304 * case of failure due to full tcl ring now, is better than
305 * checking this ring earlier for each pkt tx.
306 * Restart ring selection if some rings are not checked yet.
307 */
308 if (ring_map != (BIT(ab->hw_params->max_tx_ring) - 1) &&
309 ab->hw_params->tcl_ring_retry) {
310 tcl_ring_retry = true;
311 ring_selector++;
312 }
313
314 goto fail_unmap_dma;
315 }
316
317 ath12k_hal_tx_cmd_desc_setup(ab, tcl_cmd: hal_tcl_desc, ti: &ti);
318
319 ath12k_hal_srng_access_end(ab, srng: tcl_ring);
320
321 spin_unlock_bh(lock: &tcl_ring->lock);
322
323 ath12k_dbg_dump(ab, mask: ATH12K_DBG_DP_TX, NULL, prefix: "dp tx msdu: ",
324 buf: skb->data, len: skb->len);
325
326 atomic_inc(v: &ar->dp.num_tx_pending);
327
328 return 0;
329
330fail_unmap_dma:
331 dma_unmap_single(ab->dev, ti.paddr, ti.data_len, DMA_TO_DEVICE);
332
333 if (skb_cb->paddr_ext_desc)
334 dma_unmap_single(ab->dev, skb_cb->paddr_ext_desc,
335 sizeof(struct hal_tx_msdu_ext_desc),
336 DMA_TO_DEVICE);
337
338fail_remove_tx_buf:
339 ath12k_dp_tx_release_txbuf(dp, tx_desc, pool_id);
340 if (tcl_ring_retry)
341 goto tcl_ring_sel;
342
343 return ret;
344}
345
346static void ath12k_dp_tx_free_txbuf(struct ath12k_base *ab,
347 struct sk_buff *msdu, u8 mac_id,
348 struct dp_tx_ring *tx_ring)
349{
350 struct ath12k *ar;
351 struct ath12k_skb_cb *skb_cb;
352 u8 pdev_id = ath12k_hw_mac_id_to_pdev_id(hw: ab->hw_params, mac_id);
353
354 skb_cb = ATH12K_SKB_CB(skb: msdu);
355
356 dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
357 if (skb_cb->paddr_ext_desc)
358 dma_unmap_single(ab->dev, skb_cb->paddr_ext_desc,
359 sizeof(struct hal_tx_msdu_ext_desc), DMA_TO_DEVICE);
360
361 dev_kfree_skb_any(skb: msdu);
362
363 ar = ab->pdevs[pdev_id].ar;
364 if (atomic_dec_and_test(v: &ar->dp.num_tx_pending))
365 wake_up(&ar->dp.tx_empty_waitq);
366}
367
368static void
369ath12k_dp_tx_htt_tx_complete_buf(struct ath12k_base *ab,
370 struct sk_buff *msdu,
371 struct dp_tx_ring *tx_ring,
372 struct ath12k_dp_htt_wbm_tx_status *ts)
373{
374 struct ieee80211_tx_info *info;
375 struct ath12k_skb_cb *skb_cb;
376 struct ath12k *ar;
377
378 skb_cb = ATH12K_SKB_CB(skb: msdu);
379 info = IEEE80211_SKB_CB(skb: msdu);
380
381 ar = skb_cb->ar;
382
383 if (atomic_dec_and_test(v: &ar->dp.num_tx_pending))
384 wake_up(&ar->dp.tx_empty_waitq);
385
386 dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
387 if (skb_cb->paddr_ext_desc)
388 dma_unmap_single(ab->dev, skb_cb->paddr_ext_desc,
389 sizeof(struct hal_tx_msdu_ext_desc), DMA_TO_DEVICE);
390
391 memset(&info->status, 0, sizeof(info->status));
392
393 if (ts->acked) {
394 if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) {
395 info->flags |= IEEE80211_TX_STAT_ACK;
396 info->status.ack_signal = ATH12K_DEFAULT_NOISE_FLOOR +
397 ts->ack_rssi;
398 info->status.flags = IEEE80211_TX_STATUS_ACK_SIGNAL_VALID;
399 } else {
400 info->flags |= IEEE80211_TX_STAT_NOACK_TRANSMITTED;
401 }
402 }
403
404 ieee80211_tx_status_skb(hw: ath12k_ar_to_hw(ar), skb: msdu);
405}
406
407static void
408ath12k_dp_tx_process_htt_tx_complete(struct ath12k_base *ab,
409 void *desc, u8 mac_id,
410 struct sk_buff *msdu,
411 struct dp_tx_ring *tx_ring)
412{
413 struct htt_tx_wbm_completion *status_desc;
414 struct ath12k_dp_htt_wbm_tx_status ts = {0};
415 enum hal_wbm_htt_tx_comp_status wbm_status;
416
417 status_desc = desc + HTT_TX_WBM_COMP_STATUS_OFFSET;
418
419 wbm_status = le32_get_bits(v: status_desc->info0,
420 HTT_TX_WBM_COMP_INFO0_STATUS);
421
422 switch (wbm_status) {
423 case HAL_WBM_REL_HTT_TX_COMP_STATUS_OK:
424 case HAL_WBM_REL_HTT_TX_COMP_STATUS_DROP:
425 case HAL_WBM_REL_HTT_TX_COMP_STATUS_TTL:
426 ts.acked = (wbm_status == HAL_WBM_REL_HTT_TX_COMP_STATUS_OK);
427 ts.ack_rssi = le32_get_bits(v: status_desc->info2,
428 HTT_TX_WBM_COMP_INFO2_ACK_RSSI);
429 ath12k_dp_tx_htt_tx_complete_buf(ab, msdu, tx_ring, ts: &ts);
430 break;
431 case HAL_WBM_REL_HTT_TX_COMP_STATUS_REINJ:
432 case HAL_WBM_REL_HTT_TX_COMP_STATUS_INSPECT:
433 ath12k_dp_tx_free_txbuf(ab, msdu, mac_id, tx_ring);
434 break;
435 case HAL_WBM_REL_HTT_TX_COMP_STATUS_MEC_NOTIFY:
436 /* This event is to be handled only when the driver decides to
437 * use WDS offload functionality.
438 */
439 break;
440 default:
441 ath12k_warn(ab, fmt: "Unknown htt tx status %d\n", wbm_status);
442 break;
443 }
444}
445
446static void ath12k_dp_tx_complete_msdu(struct ath12k *ar,
447 struct sk_buff *msdu,
448 struct hal_tx_status *ts)
449{
450 struct ath12k_base *ab = ar->ab;
451 struct ieee80211_tx_info *info;
452 struct ath12k_skb_cb *skb_cb;
453
454 if (WARN_ON_ONCE(ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_TQM)) {
455 /* Must not happen */
456 return;
457 }
458
459 skb_cb = ATH12K_SKB_CB(skb: msdu);
460
461 dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
462 if (skb_cb->paddr_ext_desc)
463 dma_unmap_single(ab->dev, skb_cb->paddr_ext_desc,
464 sizeof(struct hal_tx_msdu_ext_desc), DMA_TO_DEVICE);
465
466 rcu_read_lock();
467
468 if (!rcu_dereference(ab->pdevs_active[ar->pdev_idx])) {
469 dev_kfree_skb_any(skb: msdu);
470 goto exit;
471 }
472
473 if (!skb_cb->vif) {
474 dev_kfree_skb_any(skb: msdu);
475 goto exit;
476 }
477
478 info = IEEE80211_SKB_CB(skb: msdu);
479 memset(&info->status, 0, sizeof(info->status));
480
481 /* skip tx rate update from ieee80211_status*/
482 info->status.rates[0].idx = -1;
483
484 if (ts->status == HAL_WBM_TQM_REL_REASON_FRAME_ACKED &&
485 !(info->flags & IEEE80211_TX_CTL_NO_ACK)) {
486 info->flags |= IEEE80211_TX_STAT_ACK;
487 info->status.ack_signal = ATH12K_DEFAULT_NOISE_FLOOR +
488 ts->ack_rssi;
489 info->status.flags = IEEE80211_TX_STATUS_ACK_SIGNAL_VALID;
490 }
491
492 if (ts->status == HAL_WBM_TQM_REL_REASON_CMD_REMOVE_TX &&
493 (info->flags & IEEE80211_TX_CTL_NO_ACK))
494 info->flags |= IEEE80211_TX_STAT_NOACK_TRANSMITTED;
495
496 /* NOTE: Tx rate status reporting. Tx completion status does not have
497 * necessary information (for example nss) to build the tx rate.
498 * Might end up reporting it out-of-band from HTT stats.
499 */
500
501 ieee80211_tx_status_skb(hw: ath12k_ar_to_hw(ar), skb: msdu);
502
503exit:
504 rcu_read_unlock();
505}
506
507static void ath12k_dp_tx_status_parse(struct ath12k_base *ab,
508 struct hal_wbm_completion_ring_tx *desc,
509 struct hal_tx_status *ts)
510{
511 ts->buf_rel_source =
512 le32_get_bits(v: desc->info0, HAL_WBM_COMPL_TX_INFO0_REL_SRC_MODULE);
513 if (ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_FW &&
514 ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_TQM)
515 return;
516
517 if (ts->buf_rel_source == HAL_WBM_REL_SRC_MODULE_FW)
518 return;
519
520 ts->status = le32_get_bits(v: desc->info0,
521 HAL_WBM_COMPL_TX_INFO0_TQM_RELEASE_REASON);
522
523 ts->ppdu_id = le32_get_bits(v: desc->info1,
524 HAL_WBM_COMPL_TX_INFO1_TQM_STATUS_NUMBER);
525 if (le32_to_cpu(desc->rate_stats.info0) & HAL_TX_RATE_STATS_INFO0_VALID)
526 ts->rate_stats = le32_to_cpu(desc->rate_stats.info0);
527 else
528 ts->rate_stats = 0;
529}
530
531void ath12k_dp_tx_completion_handler(struct ath12k_base *ab, int ring_id)
532{
533 struct ath12k *ar;
534 struct ath12k_dp *dp = &ab->dp;
535 int hal_ring_id = dp->tx_ring[ring_id].tcl_comp_ring.ring_id;
536 struct hal_srng *status_ring = &ab->hal.srng_list[hal_ring_id];
537 struct ath12k_tx_desc_info *tx_desc = NULL;
538 struct sk_buff *msdu;
539 struct hal_tx_status ts = { 0 };
540 struct dp_tx_ring *tx_ring = &dp->tx_ring[ring_id];
541 struct hal_wbm_release_ring *desc;
542 u8 mac_id, pdev_id;
543 u64 desc_va;
544
545 spin_lock_bh(lock: &status_ring->lock);
546
547 ath12k_hal_srng_access_begin(ab, srng: status_ring);
548
549 while (ATH12K_TX_COMPL_NEXT(tx_ring->tx_status_head) != tx_ring->tx_status_tail) {
550 desc = ath12k_hal_srng_dst_get_next_entry(ab, srng: status_ring);
551 if (!desc)
552 break;
553
554 memcpy(&tx_ring->tx_status[tx_ring->tx_status_head],
555 desc, sizeof(*desc));
556 tx_ring->tx_status_head =
557 ATH12K_TX_COMPL_NEXT(tx_ring->tx_status_head);
558 }
559
560 if (ath12k_hal_srng_dst_peek(ab, srng: status_ring) &&
561 (ATH12K_TX_COMPL_NEXT(tx_ring->tx_status_head) == tx_ring->tx_status_tail)) {
562 /* TODO: Process pending tx_status messages when kfifo_is_full() */
563 ath12k_warn(ab, fmt: "Unable to process some of the tx_status ring desc because status_fifo is full\n");
564 }
565
566 ath12k_hal_srng_access_end(ab, srng: status_ring);
567
568 spin_unlock_bh(lock: &status_ring->lock);
569
570 while (ATH12K_TX_COMPL_NEXT(tx_ring->tx_status_tail) != tx_ring->tx_status_head) {
571 struct hal_wbm_completion_ring_tx *tx_status;
572 u32 desc_id;
573
574 tx_ring->tx_status_tail =
575 ATH12K_TX_COMPL_NEXT(tx_ring->tx_status_tail);
576 tx_status = &tx_ring->tx_status[tx_ring->tx_status_tail];
577 ath12k_dp_tx_status_parse(ab, desc: tx_status, ts: &ts);
578
579 if (le32_get_bits(v: tx_status->info0, HAL_WBM_COMPL_TX_INFO0_CC_DONE)) {
580 /* HW done cookie conversion */
581 desc_va = ((u64)le32_to_cpu(tx_status->buf_va_hi) << 32 |
582 le32_to_cpu(tx_status->buf_va_lo));
583 tx_desc = (struct ath12k_tx_desc_info *)((unsigned long)desc_va);
584 } else {
585 /* SW does cookie conversion to VA */
586 desc_id = le32_get_bits(v: tx_status->buf_va_hi,
587 BUFFER_ADDR_INFO1_SW_COOKIE);
588
589 tx_desc = ath12k_dp_get_tx_desc(ab, desc_id);
590 }
591 if (!tx_desc) {
592 ath12k_warn(ab, fmt: "unable to retrieve tx_desc!");
593 continue;
594 }
595
596 msdu = tx_desc->skb;
597 mac_id = tx_desc->mac_id;
598
599 /* Release descriptor as soon as extracting necessary info
600 * to reduce contention
601 */
602 ath12k_dp_tx_release_txbuf(dp, tx_desc, pool_id: tx_desc->pool_id);
603 if (ts.buf_rel_source == HAL_WBM_REL_SRC_MODULE_FW) {
604 ath12k_dp_tx_process_htt_tx_complete(ab,
605 desc: (void *)tx_status,
606 mac_id, msdu,
607 tx_ring);
608 continue;
609 }
610
611 pdev_id = ath12k_hw_mac_id_to_pdev_id(hw: ab->hw_params, mac_id);
612 ar = ab->pdevs[pdev_id].ar;
613
614 if (atomic_dec_and_test(v: &ar->dp.num_tx_pending))
615 wake_up(&ar->dp.tx_empty_waitq);
616
617 ath12k_dp_tx_complete_msdu(ar, msdu, ts: &ts);
618 }
619}
620
621static int
622ath12k_dp_tx_get_ring_id_type(struct ath12k_base *ab,
623 int mac_id, u32 ring_id,
624 enum hal_ring_type ring_type,
625 enum htt_srng_ring_type *htt_ring_type,
626 enum htt_srng_ring_id *htt_ring_id)
627{
628 int ret = 0;
629
630 switch (ring_type) {
631 case HAL_RXDMA_BUF:
632 /* for some targets, host fills rx buffer to fw and fw fills to
633 * rxbuf ring for each rxdma
634 */
635 if (!ab->hw_params->rx_mac_buf_ring) {
636 if (!(ring_id == HAL_SRNG_SW2RXDMA_BUF0 ||
637 ring_id == HAL_SRNG_SW2RXDMA_BUF1)) {
638 ret = -EINVAL;
639 }
640 *htt_ring_id = HTT_RXDMA_HOST_BUF_RING;
641 *htt_ring_type = HTT_SW_TO_HW_RING;
642 } else {
643 if (ring_id == HAL_SRNG_SW2RXDMA_BUF0) {
644 *htt_ring_id = HTT_HOST1_TO_FW_RXBUF_RING;
645 *htt_ring_type = HTT_SW_TO_SW_RING;
646 } else {
647 *htt_ring_id = HTT_RXDMA_HOST_BUF_RING;
648 *htt_ring_type = HTT_SW_TO_HW_RING;
649 }
650 }
651 break;
652 case HAL_RXDMA_DST:
653 *htt_ring_id = HTT_RXDMA_NON_MONITOR_DEST_RING;
654 *htt_ring_type = HTT_HW_TO_SW_RING;
655 break;
656 case HAL_RXDMA_MONITOR_BUF:
657 *htt_ring_id = HTT_RXDMA_MONITOR_BUF_RING;
658 *htt_ring_type = HTT_SW_TO_HW_RING;
659 break;
660 case HAL_RXDMA_MONITOR_STATUS:
661 *htt_ring_id = HTT_RXDMA_MONITOR_STATUS_RING;
662 *htt_ring_type = HTT_SW_TO_HW_RING;
663 break;
664 case HAL_RXDMA_MONITOR_DST:
665 *htt_ring_id = HTT_RXDMA_MONITOR_DEST_RING;
666 *htt_ring_type = HTT_HW_TO_SW_RING;
667 break;
668 case HAL_RXDMA_MONITOR_DESC:
669 *htt_ring_id = HTT_RXDMA_MONITOR_DESC_RING;
670 *htt_ring_type = HTT_SW_TO_HW_RING;
671 break;
672 case HAL_TX_MONITOR_BUF:
673 *htt_ring_id = HTT_TX_MON_HOST2MON_BUF_RING;
674 *htt_ring_type = HTT_SW_TO_HW_RING;
675 break;
676 case HAL_TX_MONITOR_DST:
677 *htt_ring_id = HTT_TX_MON_MON2HOST_DEST_RING;
678 *htt_ring_type = HTT_HW_TO_SW_RING;
679 break;
680 default:
681 ath12k_warn(ab, fmt: "Unsupported ring type in DP :%d\n", ring_type);
682 ret = -EINVAL;
683 }
684 return ret;
685}
686
687int ath12k_dp_tx_htt_srng_setup(struct ath12k_base *ab, u32 ring_id,
688 int mac_id, enum hal_ring_type ring_type)
689{
690 struct htt_srng_setup_cmd *cmd;
691 struct hal_srng *srng = &ab->hal.srng_list[ring_id];
692 struct hal_srng_params params;
693 struct sk_buff *skb;
694 u32 ring_entry_sz;
695 int len = sizeof(*cmd);
696 dma_addr_t hp_addr, tp_addr;
697 enum htt_srng_ring_type htt_ring_type;
698 enum htt_srng_ring_id htt_ring_id;
699 int ret;
700
701 skb = ath12k_htc_alloc_skb(ar: ab, size: len);
702 if (!skb)
703 return -ENOMEM;
704
705 memset(&params, 0, sizeof(params));
706 ath12k_hal_srng_get_params(ab, srng, params: &params);
707
708 hp_addr = ath12k_hal_srng_get_hp_addr(ab, srng);
709 tp_addr = ath12k_hal_srng_get_tp_addr(ab, srng);
710
711 ret = ath12k_dp_tx_get_ring_id_type(ab, mac_id, ring_id,
712 ring_type, htt_ring_type: &htt_ring_type,
713 htt_ring_id: &htt_ring_id);
714 if (ret)
715 goto err_free;
716
717 skb_put(skb, len);
718 cmd = (struct htt_srng_setup_cmd *)skb->data;
719 cmd->info0 = le32_encode_bits(v: HTT_H2T_MSG_TYPE_SRING_SETUP,
720 HTT_SRNG_SETUP_CMD_INFO0_MSG_TYPE);
721 if (htt_ring_type == HTT_SW_TO_HW_RING ||
722 htt_ring_type == HTT_HW_TO_SW_RING)
723 cmd->info0 |= le32_encode_bits(DP_SW2HW_MACID(mac_id),
724 HTT_SRNG_SETUP_CMD_INFO0_PDEV_ID);
725 else
726 cmd->info0 |= le32_encode_bits(v: mac_id,
727 HTT_SRNG_SETUP_CMD_INFO0_PDEV_ID);
728 cmd->info0 |= le32_encode_bits(v: htt_ring_type,
729 HTT_SRNG_SETUP_CMD_INFO0_RING_TYPE);
730 cmd->info0 |= le32_encode_bits(v: htt_ring_id,
731 HTT_SRNG_SETUP_CMD_INFO0_RING_ID);
732
733 cmd->ring_base_addr_lo = cpu_to_le32(params.ring_base_paddr &
734 HAL_ADDR_LSB_REG_MASK);
735
736 cmd->ring_base_addr_hi = cpu_to_le32((u64)params.ring_base_paddr >>
737 HAL_ADDR_MSB_REG_SHIFT);
738
739 ret = ath12k_hal_srng_get_entrysize(ab, ring_type);
740 if (ret < 0)
741 goto err_free;
742
743 ring_entry_sz = ret;
744
745 ring_entry_sz >>= 2;
746 cmd->info1 = le32_encode_bits(v: ring_entry_sz,
747 HTT_SRNG_SETUP_CMD_INFO1_RING_ENTRY_SIZE);
748 cmd->info1 |= le32_encode_bits(v: params.num_entries * ring_entry_sz,
749 HTT_SRNG_SETUP_CMD_INFO1_RING_SIZE);
750 cmd->info1 |= le32_encode_bits(v: !!(params.flags & HAL_SRNG_FLAGS_MSI_SWAP),
751 HTT_SRNG_SETUP_CMD_INFO1_RING_FLAGS_MSI_SWAP);
752 cmd->info1 |= le32_encode_bits(v: !!(params.flags & HAL_SRNG_FLAGS_DATA_TLV_SWAP),
753 HTT_SRNG_SETUP_CMD_INFO1_RING_FLAGS_TLV_SWAP);
754 cmd->info1 |= le32_encode_bits(v: !!(params.flags & HAL_SRNG_FLAGS_RING_PTR_SWAP),
755 HTT_SRNG_SETUP_CMD_INFO1_RING_FLAGS_HOST_FW_SWAP);
756 if (htt_ring_type == HTT_SW_TO_HW_RING)
757 cmd->info1 |= cpu_to_le32(HTT_SRNG_SETUP_CMD_INFO1_RING_LOOP_CNT_DIS);
758
759 cmd->ring_head_off32_remote_addr_lo = cpu_to_le32(lower_32_bits(hp_addr));
760 cmd->ring_head_off32_remote_addr_hi = cpu_to_le32(upper_32_bits(hp_addr));
761
762 cmd->ring_tail_off32_remote_addr_lo = cpu_to_le32(lower_32_bits(tp_addr));
763 cmd->ring_tail_off32_remote_addr_hi = cpu_to_le32(upper_32_bits(tp_addr));
764
765 cmd->ring_msi_addr_lo = cpu_to_le32(lower_32_bits(params.msi_addr));
766 cmd->ring_msi_addr_hi = cpu_to_le32(upper_32_bits(params.msi_addr));
767 cmd->msi_data = cpu_to_le32(params.msi_data);
768
769 cmd->intr_info =
770 le32_encode_bits(v: params.intr_batch_cntr_thres_entries * ring_entry_sz,
771 HTT_SRNG_SETUP_CMD_INTR_INFO_BATCH_COUNTER_THRESH);
772 cmd->intr_info |=
773 le32_encode_bits(v: params.intr_timer_thres_us >> 3,
774 HTT_SRNG_SETUP_CMD_INTR_INFO_INTR_TIMER_THRESH);
775
776 cmd->info2 = 0;
777 if (params.flags & HAL_SRNG_FLAGS_LOW_THRESH_INTR_EN) {
778 cmd->info2 = le32_encode_bits(v: params.low_threshold,
779 HTT_SRNG_SETUP_CMD_INFO2_INTR_LOW_THRESH);
780 }
781
782 ath12k_dbg(ab, ATH12K_DBG_HAL,
783 "%s msi_addr_lo:0x%x, msi_addr_hi:0x%x, msi_data:0x%x\n",
784 __func__, cmd->ring_msi_addr_lo, cmd->ring_msi_addr_hi,
785 cmd->msi_data);
786
787 ath12k_dbg(ab, ATH12K_DBG_HAL,
788 "ring_id:%d, ring_type:%d, intr_info:0x%x, flags:0x%x\n",
789 ring_id, ring_type, cmd->intr_info, cmd->info2);
790
791 ret = ath12k_htc_send(htc: &ab->htc, eid: ab->dp.eid, packet: skb);
792 if (ret)
793 goto err_free;
794
795 return 0;
796
797err_free:
798 dev_kfree_skb_any(skb);
799
800 return ret;
801}
802
803#define HTT_TARGET_VERSION_TIMEOUT_HZ (3 * HZ)
804
805int ath12k_dp_tx_htt_h2t_ver_req_msg(struct ath12k_base *ab)
806{
807 struct ath12k_dp *dp = &ab->dp;
808 struct sk_buff *skb;
809 struct htt_ver_req_cmd *cmd;
810 int len = sizeof(*cmd);
811 int ret;
812
813 init_completion(x: &dp->htt_tgt_version_received);
814
815 skb = ath12k_htc_alloc_skb(ar: ab, size: len);
816 if (!skb)
817 return -ENOMEM;
818
819 skb_put(skb, len);
820 cmd = (struct htt_ver_req_cmd *)skb->data;
821 cmd->ver_reg_info = le32_encode_bits(v: HTT_H2T_MSG_TYPE_VERSION_REQ,
822 HTT_VER_REQ_INFO_MSG_ID);
823
824 ret = ath12k_htc_send(htc: &ab->htc, eid: dp->eid, packet: skb);
825 if (ret) {
826 dev_kfree_skb_any(skb);
827 return ret;
828 }
829
830 ret = wait_for_completion_timeout(x: &dp->htt_tgt_version_received,
831 HTT_TARGET_VERSION_TIMEOUT_HZ);
832 if (ret == 0) {
833 ath12k_warn(ab, fmt: "htt target version request timed out\n");
834 return -ETIMEDOUT;
835 }
836
837 if (dp->htt_tgt_ver_major != HTT_TARGET_VERSION_MAJOR) {
838 ath12k_err(ab, fmt: "unsupported htt major version %d supported version is %d\n",
839 dp->htt_tgt_ver_major, HTT_TARGET_VERSION_MAJOR);
840 return -EOPNOTSUPP;
841 }
842
843 return 0;
844}
845
846int ath12k_dp_tx_htt_h2t_ppdu_stats_req(struct ath12k *ar, u32 mask)
847{
848 struct ath12k_base *ab = ar->ab;
849 struct ath12k_dp *dp = &ab->dp;
850 struct sk_buff *skb;
851 struct htt_ppdu_stats_cfg_cmd *cmd;
852 int len = sizeof(*cmd);
853 u8 pdev_mask;
854 int ret;
855 int i;
856
857 for (i = 0; i < ab->hw_params->num_rxmda_per_pdev; i++) {
858 skb = ath12k_htc_alloc_skb(ar: ab, size: len);
859 if (!skb)
860 return -ENOMEM;
861
862 skb_put(skb, len);
863 cmd = (struct htt_ppdu_stats_cfg_cmd *)skb->data;
864 cmd->msg = le32_encode_bits(v: HTT_H2T_MSG_TYPE_PPDU_STATS_CFG,
865 HTT_PPDU_STATS_CFG_MSG_TYPE);
866
867 pdev_mask = 1 << (i + 1);
868 cmd->msg |= le32_encode_bits(v: pdev_mask, HTT_PPDU_STATS_CFG_PDEV_ID);
869 cmd->msg |= le32_encode_bits(v: mask, HTT_PPDU_STATS_CFG_TLV_TYPE_BITMASK);
870
871 ret = ath12k_htc_send(htc: &ab->htc, eid: dp->eid, packet: skb);
872 if (ret) {
873 dev_kfree_skb_any(skb);
874 return ret;
875 }
876 }
877
878 return 0;
879}
880
881int ath12k_dp_tx_htt_rx_filter_setup(struct ath12k_base *ab, u32 ring_id,
882 int mac_id, enum hal_ring_type ring_type,
883 int rx_buf_size,
884 struct htt_rx_ring_tlv_filter *tlv_filter)
885{
886 struct htt_rx_ring_selection_cfg_cmd *cmd;
887 struct hal_srng *srng = &ab->hal.srng_list[ring_id];
888 struct hal_srng_params params;
889 struct sk_buff *skb;
890 int len = sizeof(*cmd);
891 enum htt_srng_ring_type htt_ring_type;
892 enum htt_srng_ring_id htt_ring_id;
893 int ret;
894
895 skb = ath12k_htc_alloc_skb(ar: ab, size: len);
896 if (!skb)
897 return -ENOMEM;
898
899 memset(&params, 0, sizeof(params));
900 ath12k_hal_srng_get_params(ab, srng, params: &params);
901
902 ret = ath12k_dp_tx_get_ring_id_type(ab, mac_id, ring_id,
903 ring_type, htt_ring_type: &htt_ring_type,
904 htt_ring_id: &htt_ring_id);
905 if (ret)
906 goto err_free;
907
908 skb_put(skb, len);
909 cmd = (struct htt_rx_ring_selection_cfg_cmd *)skb->data;
910 cmd->info0 = le32_encode_bits(v: HTT_H2T_MSG_TYPE_RX_RING_SELECTION_CFG,
911 HTT_RX_RING_SELECTION_CFG_CMD_INFO0_MSG_TYPE);
912 if (htt_ring_type == HTT_SW_TO_HW_RING ||
913 htt_ring_type == HTT_HW_TO_SW_RING)
914 cmd->info0 |=
915 le32_encode_bits(DP_SW2HW_MACID(mac_id),
916 HTT_RX_RING_SELECTION_CFG_CMD_INFO0_PDEV_ID);
917 else
918 cmd->info0 |=
919 le32_encode_bits(v: mac_id,
920 HTT_RX_RING_SELECTION_CFG_CMD_INFO0_PDEV_ID);
921 cmd->info0 |= le32_encode_bits(v: htt_ring_id,
922 HTT_RX_RING_SELECTION_CFG_CMD_INFO0_RING_ID);
923 cmd->info0 |= le32_encode_bits(v: !!(params.flags & HAL_SRNG_FLAGS_MSI_SWAP),
924 HTT_RX_RING_SELECTION_CFG_CMD_INFO0_SS);
925 cmd->info0 |= le32_encode_bits(v: !!(params.flags & HAL_SRNG_FLAGS_DATA_TLV_SWAP),
926 HTT_RX_RING_SELECTION_CFG_CMD_INFO0_PS);
927 cmd->info0 |= le32_encode_bits(v: tlv_filter->offset_valid,
928 HTT_RX_RING_SELECTION_CFG_CMD_OFFSET_VALID);
929 cmd->info1 = le32_encode_bits(v: rx_buf_size,
930 HTT_RX_RING_SELECTION_CFG_CMD_INFO1_BUF_SIZE);
931 cmd->pkt_type_en_flags0 = cpu_to_le32(tlv_filter->pkt_filter_flags0);
932 cmd->pkt_type_en_flags1 = cpu_to_le32(tlv_filter->pkt_filter_flags1);
933 cmd->pkt_type_en_flags2 = cpu_to_le32(tlv_filter->pkt_filter_flags2);
934 cmd->pkt_type_en_flags3 = cpu_to_le32(tlv_filter->pkt_filter_flags3);
935 cmd->rx_filter_tlv = cpu_to_le32(tlv_filter->rx_filter);
936
937 if (tlv_filter->offset_valid) {
938 cmd->rx_packet_offset =
939 le32_encode_bits(v: tlv_filter->rx_packet_offset,
940 HTT_RX_RING_SELECTION_CFG_RX_PACKET_OFFSET);
941
942 cmd->rx_packet_offset |=
943 le32_encode_bits(v: tlv_filter->rx_header_offset,
944 HTT_RX_RING_SELECTION_CFG_RX_HEADER_OFFSET);
945
946 cmd->rx_mpdu_offset =
947 le32_encode_bits(v: tlv_filter->rx_mpdu_end_offset,
948 HTT_RX_RING_SELECTION_CFG_RX_MPDU_END_OFFSET);
949
950 cmd->rx_mpdu_offset |=
951 le32_encode_bits(v: tlv_filter->rx_mpdu_start_offset,
952 HTT_RX_RING_SELECTION_CFG_RX_MPDU_START_OFFSET);
953
954 cmd->rx_msdu_offset =
955 le32_encode_bits(v: tlv_filter->rx_msdu_end_offset,
956 HTT_RX_RING_SELECTION_CFG_RX_MSDU_END_OFFSET);
957
958 cmd->rx_msdu_offset |=
959 le32_encode_bits(v: tlv_filter->rx_msdu_start_offset,
960 HTT_RX_RING_SELECTION_CFG_RX_MSDU_START_OFFSET);
961
962 cmd->rx_attn_offset =
963 le32_encode_bits(v: tlv_filter->rx_attn_offset,
964 HTT_RX_RING_SELECTION_CFG_RX_ATTENTION_OFFSET);
965 }
966
967 if (tlv_filter->rx_mpdu_start_wmask > 0 &&
968 tlv_filter->rx_msdu_end_wmask > 0) {
969 cmd->info2 |=
970 le32_encode_bits(v: true,
971 HTT_RX_RING_SELECTION_CFG_WORD_MASK_COMPACT_SET);
972 cmd->rx_mpdu_start_end_mask =
973 le32_encode_bits(v: tlv_filter->rx_mpdu_start_wmask,
974 HTT_RX_RING_SELECTION_CFG_RX_MPDU_START_MASK);
975 /* mpdu_end is not used for any hardwares so far
976 * please assign it in future if any chip is
977 * using through hal ops
978 */
979 cmd->rx_mpdu_start_end_mask |=
980 le32_encode_bits(v: tlv_filter->rx_mpdu_end_wmask,
981 HTT_RX_RING_SELECTION_CFG_RX_MPDU_END_MASK);
982 cmd->rx_msdu_end_word_mask =
983 le32_encode_bits(v: tlv_filter->rx_msdu_end_wmask,
984 HTT_RX_RING_SELECTION_CFG_RX_MSDU_END_MASK);
985 }
986
987 ret = ath12k_htc_send(htc: &ab->htc, eid: ab->dp.eid, packet: skb);
988 if (ret)
989 goto err_free;
990
991 return 0;
992
993err_free:
994 dev_kfree_skb_any(skb);
995
996 return ret;
997}
998
999int
1000ath12k_dp_tx_htt_h2t_ext_stats_req(struct ath12k *ar, u8 type,
1001 struct htt_ext_stats_cfg_params *cfg_params,
1002 u64 cookie)
1003{
1004 struct ath12k_base *ab = ar->ab;
1005 struct ath12k_dp *dp = &ab->dp;
1006 struct sk_buff *skb;
1007 struct htt_ext_stats_cfg_cmd *cmd;
1008 int len = sizeof(*cmd);
1009 int ret;
1010
1011 skb = ath12k_htc_alloc_skb(ar: ab, size: len);
1012 if (!skb)
1013 return -ENOMEM;
1014
1015 skb_put(skb, len);
1016
1017 cmd = (struct htt_ext_stats_cfg_cmd *)skb->data;
1018 memset(cmd, 0, sizeof(*cmd));
1019 cmd->hdr.msg_type = HTT_H2T_MSG_TYPE_EXT_STATS_CFG;
1020
1021 cmd->hdr.pdev_mask = 1 << ar->pdev->pdev_id;
1022
1023 cmd->hdr.stats_type = type;
1024 cmd->cfg_param0 = cpu_to_le32(cfg_params->cfg0);
1025 cmd->cfg_param1 = cpu_to_le32(cfg_params->cfg1);
1026 cmd->cfg_param2 = cpu_to_le32(cfg_params->cfg2);
1027 cmd->cfg_param3 = cpu_to_le32(cfg_params->cfg3);
1028 cmd->cookie_lsb = cpu_to_le32(lower_32_bits(cookie));
1029 cmd->cookie_msb = cpu_to_le32(upper_32_bits(cookie));
1030
1031 ret = ath12k_htc_send(htc: &ab->htc, eid: dp->eid, packet: skb);
1032 if (ret) {
1033 ath12k_warn(ab, fmt: "failed to send htt type stats request: %d",
1034 ret);
1035 dev_kfree_skb_any(skb);
1036 return ret;
1037 }
1038
1039 return 0;
1040}
1041
1042int ath12k_dp_tx_htt_monitor_mode_ring_config(struct ath12k *ar, bool reset)
1043{
1044 struct ath12k_base *ab = ar->ab;
1045 int ret;
1046
1047 ret = ath12k_dp_tx_htt_tx_monitor_mode_ring_config(ar, reset);
1048 if (ret) {
1049 ath12k_err(ab, fmt: "failed to setup tx monitor filter %d\n", ret);
1050 return ret;
1051 }
1052
1053 ret = ath12k_dp_tx_htt_tx_monitor_mode_ring_config(ar, reset);
1054 if (ret) {
1055 ath12k_err(ab, fmt: "failed to setup rx monitor filter %d\n", ret);
1056 return ret;
1057 }
1058
1059 return 0;
1060}
1061
1062int ath12k_dp_tx_htt_rx_monitor_mode_ring_config(struct ath12k *ar, bool reset)
1063{
1064 struct ath12k_base *ab = ar->ab;
1065 struct ath12k_dp *dp = &ab->dp;
1066 struct htt_rx_ring_tlv_filter tlv_filter = {0};
1067 int ret, ring_id;
1068
1069 ring_id = dp->rxdma_mon_buf_ring.refill_buf_ring.ring_id;
1070 tlv_filter.offset_valid = false;
1071
1072 if (!reset) {
1073 tlv_filter.rx_filter = HTT_RX_MON_FILTER_TLV_FLAGS_MON_BUF_RING;
1074 tlv_filter.pkt_filter_flags0 =
1075 HTT_RX_MON_FP_MGMT_FILTER_FLAGS0 |
1076 HTT_RX_MON_MO_MGMT_FILTER_FLAGS0;
1077 tlv_filter.pkt_filter_flags1 =
1078 HTT_RX_MON_FP_MGMT_FILTER_FLAGS1 |
1079 HTT_RX_MON_MO_MGMT_FILTER_FLAGS1;
1080 tlv_filter.pkt_filter_flags2 =
1081 HTT_RX_MON_FP_CTRL_FILTER_FLASG2 |
1082 HTT_RX_MON_MO_CTRL_FILTER_FLASG2;
1083 tlv_filter.pkt_filter_flags3 =
1084 HTT_RX_MON_FP_CTRL_FILTER_FLASG3 |
1085 HTT_RX_MON_MO_CTRL_FILTER_FLASG3 |
1086 HTT_RX_MON_FP_DATA_FILTER_FLASG3 |
1087 HTT_RX_MON_MO_DATA_FILTER_FLASG3;
1088 }
1089
1090 if (ab->hw_params->rxdma1_enable) {
1091 ret = ath12k_dp_tx_htt_rx_filter_setup(ab: ar->ab, ring_id, mac_id: 0,
1092 ring_type: HAL_RXDMA_MONITOR_BUF,
1093 DP_RXDMA_REFILL_RING_SIZE,
1094 tlv_filter: &tlv_filter);
1095 if (ret) {
1096 ath12k_err(ab,
1097 fmt: "failed to setup filter for monitor buf %d\n", ret);
1098 return ret;
1099 }
1100 }
1101
1102 return 0;
1103}
1104
1105int ath12k_dp_tx_htt_tx_filter_setup(struct ath12k_base *ab, u32 ring_id,
1106 int mac_id, enum hal_ring_type ring_type,
1107 int tx_buf_size,
1108 struct htt_tx_ring_tlv_filter *htt_tlv_filter)
1109{
1110 struct htt_tx_ring_selection_cfg_cmd *cmd;
1111 struct hal_srng *srng = &ab->hal.srng_list[ring_id];
1112 struct hal_srng_params params;
1113 struct sk_buff *skb;
1114 int len = sizeof(*cmd);
1115 enum htt_srng_ring_type htt_ring_type;
1116 enum htt_srng_ring_id htt_ring_id;
1117 int ret;
1118
1119 skb = ath12k_htc_alloc_skb(ar: ab, size: len);
1120 if (!skb)
1121 return -ENOMEM;
1122
1123 memset(&params, 0, sizeof(params));
1124 ath12k_hal_srng_get_params(ab, srng, params: &params);
1125
1126 ret = ath12k_dp_tx_get_ring_id_type(ab, mac_id, ring_id,
1127 ring_type, htt_ring_type: &htt_ring_type,
1128 htt_ring_id: &htt_ring_id);
1129
1130 if (ret)
1131 goto err_free;
1132
1133 skb_put(skb, len);
1134 cmd = (struct htt_tx_ring_selection_cfg_cmd *)skb->data;
1135 cmd->info0 = le32_encode_bits(v: HTT_H2T_MSG_TYPE_TX_MONITOR_CFG,
1136 HTT_TX_RING_SELECTION_CFG_CMD_INFO0_MSG_TYPE);
1137 if (htt_ring_type == HTT_SW_TO_HW_RING ||
1138 htt_ring_type == HTT_HW_TO_SW_RING)
1139 cmd->info0 |=
1140 le32_encode_bits(DP_SW2HW_MACID(mac_id),
1141 HTT_TX_RING_SELECTION_CFG_CMD_INFO0_PDEV_ID);
1142 else
1143 cmd->info0 |=
1144 le32_encode_bits(v: mac_id,
1145 HTT_TX_RING_SELECTION_CFG_CMD_INFO0_PDEV_ID);
1146 cmd->info0 |= le32_encode_bits(v: htt_ring_id,
1147 HTT_TX_RING_SELECTION_CFG_CMD_INFO0_RING_ID);
1148 cmd->info0 |= le32_encode_bits(v: !!(params.flags & HAL_SRNG_FLAGS_MSI_SWAP),
1149 HTT_TX_RING_SELECTION_CFG_CMD_INFO0_SS);
1150 cmd->info0 |= le32_encode_bits(v: !!(params.flags & HAL_SRNG_FLAGS_DATA_TLV_SWAP),
1151 HTT_TX_RING_SELECTION_CFG_CMD_INFO0_PS);
1152
1153 cmd->info1 |=
1154 le32_encode_bits(v: tx_buf_size,
1155 HTT_TX_RING_SELECTION_CFG_CMD_INFO1_RING_BUFF_SIZE);
1156
1157 if (htt_tlv_filter->tx_mon_mgmt_filter) {
1158 cmd->info1 |=
1159 le32_encode_bits(HTT_STATS_FRAME_CTRL_TYPE_MGMT,
1160 HTT_TX_RING_SELECTION_CFG_CMD_INFO1_PKT_TYPE);
1161 cmd->info1 |=
1162 le32_encode_bits(v: htt_tlv_filter->tx_mon_pkt_dma_len,
1163 HTT_TX_RING_SELECTION_CFG_CMD_INFO1_CONF_LEN_MGMT);
1164 cmd->info2 |=
1165 le32_encode_bits(HTT_STATS_FRAME_CTRL_TYPE_MGMT,
1166 HTT_TX_RING_SELECTION_CFG_CMD_INFO2_PKT_TYPE_EN_FLAG);
1167 }
1168
1169 if (htt_tlv_filter->tx_mon_data_filter) {
1170 cmd->info1 |=
1171 le32_encode_bits(HTT_STATS_FRAME_CTRL_TYPE_CTRL,
1172 HTT_TX_RING_SELECTION_CFG_CMD_INFO1_PKT_TYPE);
1173 cmd->info1 |=
1174 le32_encode_bits(v: htt_tlv_filter->tx_mon_pkt_dma_len,
1175 HTT_TX_RING_SELECTION_CFG_CMD_INFO1_CONF_LEN_CTRL);
1176 cmd->info2 |=
1177 le32_encode_bits(HTT_STATS_FRAME_CTRL_TYPE_CTRL,
1178 HTT_TX_RING_SELECTION_CFG_CMD_INFO2_PKT_TYPE_EN_FLAG);
1179 }
1180
1181 if (htt_tlv_filter->tx_mon_ctrl_filter) {
1182 cmd->info1 |=
1183 le32_encode_bits(HTT_STATS_FRAME_CTRL_TYPE_DATA,
1184 HTT_TX_RING_SELECTION_CFG_CMD_INFO1_PKT_TYPE);
1185 cmd->info1 |=
1186 le32_encode_bits(v: htt_tlv_filter->tx_mon_pkt_dma_len,
1187 HTT_TX_RING_SELECTION_CFG_CMD_INFO1_CONF_LEN_DATA);
1188 cmd->info2 |=
1189 le32_encode_bits(HTT_STATS_FRAME_CTRL_TYPE_DATA,
1190 HTT_TX_RING_SELECTION_CFG_CMD_INFO2_PKT_TYPE_EN_FLAG);
1191 }
1192
1193 cmd->tlv_filter_mask_in0 =
1194 cpu_to_le32(htt_tlv_filter->tx_mon_downstream_tlv_flags);
1195 cmd->tlv_filter_mask_in1 =
1196 cpu_to_le32(htt_tlv_filter->tx_mon_upstream_tlv_flags0);
1197 cmd->tlv_filter_mask_in2 =
1198 cpu_to_le32(htt_tlv_filter->tx_mon_upstream_tlv_flags1);
1199 cmd->tlv_filter_mask_in3 =
1200 cpu_to_le32(htt_tlv_filter->tx_mon_upstream_tlv_flags2);
1201
1202 ret = ath12k_htc_send(htc: &ab->htc, eid: ab->dp.eid, packet: skb);
1203 if (ret)
1204 goto err_free;
1205
1206 return 0;
1207
1208err_free:
1209 dev_kfree_skb_any(skb);
1210 return ret;
1211}
1212
1213int ath12k_dp_tx_htt_tx_monitor_mode_ring_config(struct ath12k *ar, bool reset)
1214{
1215 struct ath12k_base *ab = ar->ab;
1216 struct ath12k_dp *dp = &ab->dp;
1217 struct htt_tx_ring_tlv_filter tlv_filter = {0};
1218 int ret, ring_id;
1219
1220 ring_id = dp->tx_mon_buf_ring.refill_buf_ring.ring_id;
1221
1222 /* TODO: Need to set upstream/downstream tlv filters
1223 * here
1224 */
1225
1226 if (ab->hw_params->rxdma1_enable) {
1227 ret = ath12k_dp_tx_htt_tx_filter_setup(ab: ar->ab, ring_id, mac_id: 0,
1228 ring_type: HAL_TX_MONITOR_BUF,
1229 DP_RXDMA_REFILL_RING_SIZE,
1230 htt_tlv_filter: &tlv_filter);
1231 if (ret) {
1232 ath12k_err(ab,
1233 fmt: "failed to setup filter for monitor buf %d\n", ret);
1234 return ret;
1235 }
1236 }
1237
1238 return 0;
1239}
1240

source code of linux/drivers/net/wireless/ath/ath12k/dp_tx.c