xref: /wlan-dirver/qca-wifi-host-cmn/dp/wifi3.0/li/dp_li_tx.c (revision 8b3dca18206e1a0461492f082fa6e270b092c035)
1 /*
2  * Copyright (c) 2016-2021 The Linux Foundation. All rights reserved.
3  * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
4  *
5  * Permission to use, copy, modify, and/or distribute this software for
6  * any purpose with or without fee is hereby granted, provided that the
7  * above copyright notice and this permission notice appear in all
8  * copies.
9  *
10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
11  * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
12  * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
13  * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
14  * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
15  * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
16  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
17  * PERFORMANCE OF THIS SOFTWARE.
18  */
19 #include "cdp_txrx_cmn_struct.h"
20 #include "dp_types.h"
21 #include "dp_tx.h"
22 #include "dp_li_tx.h"
23 #include "dp_tx_desc.h"
24 #include <dp_internal.h>
25 #include <dp_htt.h>
26 #include <hal_li_api.h>
27 #include <hal_li_tx.h>
28 #include "dp_peer.h"
29 #ifdef FEATURE_WDS
30 #include "dp_txrx_wds.h"
31 #endif
32 #include "dp_li.h"
33 
34 extern uint8_t sec_type_map[MAX_CDP_SEC_TYPE];
35 
36 void dp_tx_comp_get_params_from_hal_desc_li(struct dp_soc *soc,
37 					    void *tx_comp_hal_desc,
38 					    struct dp_tx_desc_s **r_tx_desc)
39 {
40 	uint8_t pool_id;
41 	uint32_t tx_desc_id;
42 
43 	tx_desc_id = hal_tx_comp_get_desc_id(tx_comp_hal_desc);
44 	pool_id = (tx_desc_id & DP_TX_DESC_ID_POOL_MASK) >>
45 			DP_TX_DESC_ID_POOL_OS;
46 
47 	/* Find Tx descriptor */
48 	*r_tx_desc = dp_tx_desc_find(soc, pool_id,
49 				     (tx_desc_id & DP_TX_DESC_ID_PAGE_MASK) >>
50 							DP_TX_DESC_ID_PAGE_OS,
51 				     (tx_desc_id & DP_TX_DESC_ID_OFFSET_MASK) >>
52 						DP_TX_DESC_ID_OFFSET_OS);
53 	/* Pool id is not matching. Error */
54 	if ((*r_tx_desc)->pool_id != pool_id) {
55 		dp_tx_comp_alert("Tx Comp pool id %d not matched %d",
56 				 pool_id, (*r_tx_desc)->pool_id);
57 
58 		qdf_assert_always(0);
59 	}
60 
61 	(*r_tx_desc)->peer_id = hal_tx_comp_get_peer_id(tx_comp_hal_desc);
62 }
63 
64 static inline
65 void dp_tx_process_mec_notify_li(struct dp_soc *soc, uint8_t *status)
66 {
67 	struct dp_vdev *vdev;
68 	uint8_t vdev_id;
69 	uint32_t *htt_desc = (uint32_t *)status;
70 
71 	/*
72 	 * Get vdev id from HTT status word in case of MEC
73 	 * notification
74 	 */
75 	vdev_id = HTT_TX_WBM_COMPLETION_V2_VDEV_ID_GET(htt_desc[3]);
76 	if (qdf_unlikely(vdev_id >= MAX_VDEV_CNT))
77 		return;
78 
79 	vdev = dp_vdev_get_ref_by_id(soc, vdev_id,
80 				     DP_MOD_ID_HTT_COMP);
81 	if (!vdev)
82 		return;
83 	dp_tx_mec_handler(vdev, status);
84 	dp_vdev_unref_delete(soc, vdev, DP_MOD_ID_HTT_COMP);
85 }
86 
87 void dp_tx_process_htt_completion_li(struct dp_soc *soc,
88 				     struct dp_tx_desc_s *tx_desc,
89 				     uint8_t *status,
90 				     uint8_t ring_id)
91 {
92 	uint8_t tx_status;
93 	struct dp_pdev *pdev;
94 	struct dp_vdev *vdev = NULL;
95 	struct hal_tx_completion_status ts = {0};
96 	uint32_t *htt_desc = (uint32_t *)status;
97 	struct dp_txrx_peer *txrx_peer;
98 	dp_txrx_ref_handle txrx_ref_handle = NULL;
99 	struct cdp_tid_tx_stats *tid_stats = NULL;
100 	struct htt_soc *htt_handle;
101 	uint8_t vdev_id;
102 
103 	tx_status = HTT_TX_WBM_COMPLETION_V2_TX_STATUS_GET(htt_desc[0]);
104 	htt_handle = (struct htt_soc *)soc->htt_handle;
105 	htt_wbm_event_record(htt_handle->htt_logger_handle, tx_status, status);
106 
107 	/*
108 	 * There can be scenario where WBM consuming descriptor enqueued
109 	 * from TQM2WBM first and TQM completion can happen before MEC
110 	 * notification comes from FW2WBM. Avoid access any field of tx
111 	 * descriptor in case of MEC notify.
112 	 */
113 	if (tx_status == HTT_TX_FW2WBM_TX_STATUS_MEC_NOTIFY)
114 		return dp_tx_process_mec_notify_li(soc, status);
115 
116 	/*
117 	 * If the descriptor is already freed in vdev_detach,
118 	 * continue to next descriptor
119 	 */
120 	if (qdf_unlikely(!tx_desc->flags)) {
121 		dp_tx_comp_info_rl("Descriptor freed in vdev_detach %d",
122 				   tx_desc->id);
123 		return;
124 	}
125 
126 	if (qdf_unlikely(tx_desc->vdev_id == DP_INVALID_VDEV_ID)) {
127 		dp_tx_comp_info_rl("Invalid vdev_id %d", tx_desc->id);
128 		tx_desc->flags |= DP_TX_DESC_FLAG_TX_COMP_ERR;
129 		goto release_tx_desc;
130 	}
131 
132 	pdev = tx_desc->pdev;
133 
134 	if (qdf_unlikely(tx_desc->pdev->is_pdev_down)) {
135 		dp_tx_comp_info_rl("pdev in down state %d", tx_desc->id);
136 		tx_desc->flags |= DP_TX_DESC_FLAG_TX_COMP_ERR;
137 		goto release_tx_desc;
138 	}
139 
140 	qdf_assert(tx_desc->pdev);
141 
142 	vdev_id = tx_desc->vdev_id;
143 	vdev = dp_vdev_get_ref_by_id(soc, vdev_id,
144 				     DP_MOD_ID_HTT_COMP);
145 
146 	if (qdf_unlikely(!vdev)) {
147 		dp_tx_comp_info_rl("Unable to get vdev ref  %d", tx_desc->id);
148 		tx_desc->flags |= DP_TX_DESC_FLAG_TX_COMP_ERR;
149 		goto release_tx_desc;
150 	}
151 
152 	switch (tx_status) {
153 	case HTT_TX_FW2WBM_TX_STATUS_OK:
154 	case HTT_TX_FW2WBM_TX_STATUS_DROP:
155 	case HTT_TX_FW2WBM_TX_STATUS_TTL:
156 	{
157 		uint8_t tid;
158 
159 		if (HTT_TX_WBM_COMPLETION_V2_VALID_GET(htt_desc[2])) {
160 			ts.peer_id =
161 				HTT_TX_WBM_COMPLETION_V2_SW_PEER_ID_GET(
162 						htt_desc[2]);
163 			ts.tid =
164 				HTT_TX_WBM_COMPLETION_V2_TID_NUM_GET(
165 						htt_desc[2]);
166 		} else {
167 			ts.peer_id = HTT_INVALID_PEER;
168 			ts.tid = HTT_INVALID_TID;
169 		}
170 		ts.release_src = HAL_TX_COMP_RELEASE_SOURCE_FW;
171 		ts.ppdu_id =
172 			HTT_TX_WBM_COMPLETION_V2_SCH_CMD_ID_GET(
173 					htt_desc[1]);
174 		ts.ack_frame_rssi =
175 			HTT_TX_WBM_COMPLETION_V2_ACK_FRAME_RSSI_GET(
176 					htt_desc[1]);
177 
178 		ts.tsf = htt_desc[3];
179 		ts.first_msdu = 1;
180 		ts.last_msdu = 1;
181 		ts.status = (tx_status == HTT_TX_FW2WBM_TX_STATUS_OK ?
182 			     HAL_TX_TQM_RR_FRAME_ACKED :
183 			     HAL_TX_TQM_RR_REM_CMD_REM);
184 		tid = ts.tid;
185 		if (qdf_unlikely(tid >= CDP_MAX_DATA_TIDS))
186 			tid = CDP_MAX_DATA_TIDS - 1;
187 
188 		tid_stats = &pdev->stats.tid_stats.tid_tx_stats[ring_id][tid];
189 
190 		if (qdf_unlikely(pdev->delay_stats_flag) ||
191 		    qdf_unlikely(dp_is_vdev_tx_delay_stats_enabled(vdev)))
192 			dp_tx_compute_delay(vdev, tx_desc, tid, ring_id);
193 		if (tx_status < CDP_MAX_TX_HTT_STATUS)
194 			tid_stats->htt_status_cnt[tx_status]++;
195 
196 		txrx_peer = dp_txrx_peer_get_ref_by_id(soc, ts.peer_id,
197 						       &txrx_ref_handle,
198 						       DP_MOD_ID_HTT_COMP);
199 		if (qdf_likely(txrx_peer)) {
200 			DP_PEER_STATS_FLAT_INC_PKT(txrx_peer, comp_pkt, 1,
201 						   qdf_nbuf_len(tx_desc->nbuf));
202 			if (tx_status != HTT_TX_FW2WBM_TX_STATUS_OK)
203 				DP_PEER_STATS_FLAT_INC(txrx_peer, tx_failed, 1);
204 		}
205 
206 		dp_tx_comp_process_tx_status(soc, tx_desc, &ts, txrx_peer,
207 					     ring_id);
208 		dp_tx_comp_process_desc(soc, tx_desc, &ts, txrx_peer);
209 		dp_tx_desc_release(tx_desc, tx_desc->pool_id);
210 
211 		if (qdf_likely(txrx_peer))
212 			dp_txrx_peer_unref_delete(txrx_ref_handle,
213 						  DP_MOD_ID_HTT_COMP);
214 
215 		break;
216 	}
217 	case HTT_TX_FW2WBM_TX_STATUS_REINJECT:
218 	{
219 		uint8_t reinject_reason;
220 
221 		reinject_reason =
222 			HTT_TX_WBM_COMPLETION_V2_REINJECT_REASON_GET(
223 								htt_desc[0]);
224 		dp_tx_reinject_handler(soc, vdev, tx_desc,
225 				       status, reinject_reason);
226 		break;
227 	}
228 	case HTT_TX_FW2WBM_TX_STATUS_INSPECT:
229 	{
230 		dp_tx_inspect_handler(soc, vdev, tx_desc, status);
231 		break;
232 	}
233 	case HTT_TX_FW2WBM_TX_STATUS_VDEVID_MISMATCH:
234 	{
235 		DP_STATS_INC(vdev, tx_i.dropped.fail_per_pkt_vdev_id_check, 1);
236 		goto release_tx_desc;
237 	}
238 	default:
239 		dp_tx_comp_err("Invalid HTT tx_status %d\n",
240 			       tx_status);
241 		goto release_tx_desc;
242 	}
243 
244 	dp_vdev_unref_delete(soc, vdev, DP_MOD_ID_HTT_COMP);
245 	return;
246 
247 release_tx_desc:
248 	dp_tx_comp_free_buf(soc, tx_desc, false);
249 	dp_tx_desc_release(tx_desc, tx_desc->pool_id);
250 	if (vdev)
251 		dp_vdev_unref_delete(soc, vdev, DP_MOD_ID_HTT_COMP);
252 }
253 
254 #ifdef QCA_OL_TX_MULTIQ_SUPPORT
255 /*
256  * dp_tx_get_rbm_id()- Get the RBM ID for data transmission completion.
257  * @dp_soc - DP soc structure pointer
258  * @ring_id - Transmit Queue/ring_id to be used when XPS is enabled
259  *
260  * Return - HAL ring handle
261  */
262 #ifdef IPA_OFFLOAD
263 static inline uint8_t dp_tx_get_rbm_id_li(struct dp_soc *soc,
264 					  uint8_t ring_id)
265 {
266 	return (ring_id + soc->wbm_sw0_bm_id);
267 }
268 #else
269 #ifndef QCA_DP_ENABLE_TX_COMP_RING4
270 static inline uint8_t dp_tx_get_rbm_id_li(struct dp_soc *soc,
271 					  uint8_t ring_id)
272 {
273 	return (ring_id ? HAL_WBM_SW0_BM_ID + (ring_id - 1) :
274 		HAL_WBM_SW2_BM_ID);
275 }
276 #else
277 static inline uint8_t dp_tx_get_rbm_id_li(struct dp_soc *soc,
278 					  uint8_t ring_id)
279 {
280 	if (ring_id == soc->num_tcl_data_rings)
281 		return HAL_WBM_SW4_BM_ID(soc->wbm_sw0_bm_id);
282 	return (ring_id + HAL_WBM_SW0_BM_ID(soc->wbm_sw0_bm_id));
283 }
284 #endif
285 #endif
286 #else
287 #ifdef TX_MULTI_TCL
288 #ifdef IPA_OFFLOAD
289 static inline uint8_t dp_tx_get_rbm_id_li(struct dp_soc *soc,
290 					  uint8_t ring_id)
291 {
292 	if (soc->wlan_cfg_ctx->ipa_enabled)
293 		return (ring_id + soc->wbm_sw0_bm_id);
294 
295 	return soc->wlan_cfg_ctx->tcl_wbm_map_array[ring_id].wbm_rbm_id;
296 }
297 #else
298 static inline uint8_t dp_tx_get_rbm_id_li(struct dp_soc *soc,
299 					  uint8_t ring_id)
300 {
301 	return soc->wlan_cfg_ctx->tcl_wbm_map_array[ring_id].wbm_rbm_id;
302 }
303 #endif
304 #else
305 static inline uint8_t dp_tx_get_rbm_id_li(struct dp_soc *soc,
306 					  uint8_t ring_id)
307 {
308 	return (ring_id + soc->wbm_sw0_bm_id);
309 }
310 #endif
311 #endif
312 
313 #if defined(CLEAR_SW2TCL_CONSUMED_DESC)
314 /**
315  * dp_tx_clear_consumed_hw_descs - Reset all the consumed Tx ring descs to 0
316  *
317  * @soc: DP soc handle
318  * @hal_ring_hdl: Source ring pointer
319  *
320  * Return: void
321  */
322 static inline
323 void dp_tx_clear_consumed_hw_descs(struct dp_soc *soc,
324 				   hal_ring_handle_t hal_ring_hdl)
325 {
326 	void *desc = hal_srng_src_get_next_consumed(soc->hal_soc, hal_ring_hdl);
327 
328 	while (desc) {
329 		hal_tx_desc_clear(desc);
330 		desc = hal_srng_src_get_next_consumed(soc->hal_soc,
331 						      hal_ring_hdl);
332 	}
333 }
334 
335 #else
336 static inline
337 void dp_tx_clear_consumed_hw_descs(struct dp_soc *soc,
338 				   hal_ring_handle_t hal_ring_hdl)
339 {
340 }
341 #endif /* CLEAR_SW2TCL_CONSUMED_DESC */
342 
343 #ifdef WLAN_CONFIG_TX_DELAY
344 static inline
345 QDF_STATUS dp_tx_compute_hw_delay_li(struct dp_soc *soc,
346 				     struct dp_vdev *vdev,
347 				     struct hal_tx_completion_status *ts,
348 				     uint32_t *delay_us)
349 {
350 	return dp_tx_compute_hw_delay_us(ts, vdev->delta_tsf, delay_us);
351 }
352 #else
353 static inline
354 QDF_STATUS dp_tx_compute_hw_delay_li(struct dp_soc *soc,
355 				     struct dp_vdev *vdev,
356 				     struct hal_tx_completion_status *ts,
357 				     uint32_t *delay_us)
358 {
359 	return QDF_STATUS_SUCCESS;
360 }
361 #endif
362 
363 #ifdef CONFIG_SAWF
364 /**
365  * dp_sawf_config_li - Configure sawf specific fields in tcl
366  *
367  * @soc: DP soc handle
368  * @hhal_tx_desc_cached: tx descriptor
369  * @vdev_id: vdev id
370  * @nbuf: skb buffer
371  *
372  * Return: void
373  */
374 static inline
375 void dp_sawf_config_li(struct dp_soc *soc, uint32_t *hal_tx_desc_cached,
376 		       uint16_t *fw_metadata, uint16_t vdev_id,
377 		       qdf_nbuf_t nbuf)
378 {
379 	uint8_t q_id = 0;
380 	uint32_t search_index;
381 
382 	if (!wlan_cfg_get_sawf_config(soc->wlan_cfg_ctx))
383 		return;
384 
385 	q_id = dp_sawf_queue_id_get(nbuf);
386 	if (q_id == DP_SAWF_DEFAULT_Q_INVALID)
387 		return;
388 
389 	dp_sawf_tcl_cmd(fw_metadata, nbuf);
390 
391 	search_index = dp_sawf_get_search_index(soc, nbuf, vdev_id,
392 						q_id);
393 	hal_tx_desc_set_hlos_tid(hal_tx_desc_cached, (q_id & 0x7));
394 	hal_tx_desc_set_search_type_li(soc->hal_soc, hal_tx_desc_cached,
395 				       HAL_TX_ADDR_INDEX_SEARCH);
396 	hal_tx_desc_set_search_index_li(soc->hal_soc, hal_tx_desc_cached,
397 					search_index);
398 }
399 #else
400 static inline
401 void dp_sawf_config_li(struct dp_soc *soc, uint32_t *hal_tx_desc_cached,
402 		       uint16_t *fw_metadata, uint16_t vdev_id,
403 		       qdf_nbuf_t nbuf)
404 {
405 }
406 
407 #define dp_sawf_tx_enqueue_peer_stats(soc, tx_desc)
408 #define dp_sawf_tx_enqueue_fail_peer_stats(soc, tx_desc)
409 #endif
410 
411 QDF_STATUS
412 dp_tx_hw_enqueue_li(struct dp_soc *soc, struct dp_vdev *vdev,
413 		    struct dp_tx_desc_s *tx_desc, uint16_t fw_metadata,
414 		    struct cdp_tx_exception_metadata *tx_exc_metadata,
415 		    struct dp_tx_msdu_info_s *msdu_info)
416 {
417 	void *hal_tx_desc;
418 	uint32_t *hal_tx_desc_cached;
419 	int coalesce = 0;
420 	struct dp_tx_queue *tx_q = &msdu_info->tx_queue;
421 	uint8_t ring_id = tx_q->ring_id & DP_TX_QUEUE_MASK;
422 	uint8_t tid = msdu_info->tid;
423 
424 	/*
425 	 * Setting it initialization statically here to avoid
426 	 * a memset call jump with qdf_mem_set call
427 	 */
428 	uint8_t cached_desc[HAL_TX_DESC_LEN_BYTES] = { 0 };
429 
430 	enum cdp_sec_type sec_type = ((tx_exc_metadata &&
431 			tx_exc_metadata->sec_type != CDP_INVALID_SEC_TYPE) ?
432 			tx_exc_metadata->sec_type : vdev->sec_type);
433 
434 	/* Return Buffer Manager ID */
435 	uint8_t bm_id = dp_tx_get_rbm_id_li(soc, ring_id);
436 
437 	hal_ring_handle_t hal_ring_hdl = NULL;
438 
439 	QDF_STATUS status = QDF_STATUS_E_RESOURCES;
440 
441 	if (!dp_tx_is_desc_id_valid(soc, tx_desc->id)) {
442 		dp_err_rl("Invalid tx desc id:%d", tx_desc->id);
443 		return QDF_STATUS_E_RESOURCES;
444 	}
445 
446 	hal_tx_desc_cached = (void *)cached_desc;
447 
448 	hal_tx_desc_set_buf_addr(soc->hal_soc, hal_tx_desc_cached,
449 				 tx_desc->dma_addr, bm_id, tx_desc->id,
450 				 (tx_desc->flags & DP_TX_DESC_FLAG_FRAG));
451 	hal_tx_desc_set_lmac_id_li(soc->hal_soc, hal_tx_desc_cached,
452 				   vdev->lmac_id);
453 	hal_tx_desc_set_search_type_li(soc->hal_soc, hal_tx_desc_cached,
454 				       vdev->search_type);
455 	hal_tx_desc_set_search_index_li(soc->hal_soc, hal_tx_desc_cached,
456 					vdev->bss_ast_idx);
457 	hal_tx_desc_set_dscp_tid_table_id(soc->hal_soc, hal_tx_desc_cached,
458 					  vdev->dscp_tid_map_id);
459 
460 	hal_tx_desc_set_encrypt_type(hal_tx_desc_cached,
461 				     sec_type_map[sec_type]);
462 	hal_tx_desc_set_cache_set_num(soc->hal_soc, hal_tx_desc_cached,
463 				      (vdev->bss_ast_hash & 0xF));
464 
465 	if (dp_sawf_tag_valid_get(tx_desc->nbuf)) {
466 		dp_sawf_config_li(soc, hal_tx_desc_cached, &fw_metadata,
467 				  vdev->vdev_id, tx_desc->nbuf);
468 		dp_sawf_tx_enqueue_peer_stats(soc, tx_desc);
469 	}
470 
471 	hal_tx_desc_set_fw_metadata(hal_tx_desc_cached, fw_metadata);
472 	hal_tx_desc_set_buf_length(hal_tx_desc_cached, tx_desc->length);
473 	hal_tx_desc_set_buf_offset(hal_tx_desc_cached, tx_desc->pkt_offset);
474 	hal_tx_desc_set_encap_type(hal_tx_desc_cached, tx_desc->tx_encap_type);
475 	hal_tx_desc_set_addr_search_flags(hal_tx_desc_cached,
476 					  vdev->hal_desc_addr_search_flags);
477 
478 	if (tx_desc->flags & DP_TX_DESC_FLAG_TO_FW)
479 		hal_tx_desc_set_to_fw(hal_tx_desc_cached, 1);
480 
481 	/* verify checksum offload configuration*/
482 	if ((qdf_nbuf_get_tx_cksum(tx_desc->nbuf) ==
483 				   QDF_NBUF_TX_CKSUM_TCP_UDP) ||
484 	      qdf_nbuf_is_tso(tx_desc->nbuf))  {
485 		hal_tx_desc_set_l3_checksum_en(hal_tx_desc_cached, 1);
486 		hal_tx_desc_set_l4_checksum_en(hal_tx_desc_cached, 1);
487 	}
488 
489 	if (tid != HTT_TX_EXT_TID_INVALID)
490 		hal_tx_desc_set_hlos_tid(hal_tx_desc_cached, tid);
491 
492 	if (tx_desc->flags & DP_TX_DESC_FLAG_MESH)
493 		hal_tx_desc_set_mesh_en(soc->hal_soc, hal_tx_desc_cached, 1);
494 
495 	if (!dp_tx_desc_set_ktimestamp(vdev, tx_desc))
496 		dp_tx_desc_set_timestamp(tx_desc);
497 
498 	dp_verbose_debug("length:%d , type = %d, dma_addr %llx, offset %d desc id %u",
499 			 tx_desc->length,
500 			 (tx_desc->flags & DP_TX_DESC_FLAG_FRAG),
501 			 (uint64_t)tx_desc->dma_addr, tx_desc->pkt_offset,
502 			 tx_desc->id);
503 
504 	hal_ring_hdl = dp_tx_get_hal_ring_hdl(soc, ring_id);
505 
506 	if (qdf_unlikely(dp_tx_hal_ring_access_start(soc, hal_ring_hdl))) {
507 		QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
508 			  "%s %d : HAL RING Access Failed -- %pK",
509 			 __func__, __LINE__, hal_ring_hdl);
510 		DP_STATS_INC(soc, tx.tcl_ring_full[ring_id], 1);
511 		DP_STATS_INC(vdev, tx_i.dropped.enqueue_fail, 1);
512 		dp_sawf_tx_enqueue_fail_peer_stats(soc, tx_desc);
513 		return status;
514 	}
515 
516 	dp_tx_clear_consumed_hw_descs(soc, hal_ring_hdl);
517 
518 	/* Sync cached descriptor with HW */
519 
520 	hal_tx_desc = hal_srng_src_get_next(soc->hal_soc, hal_ring_hdl);
521 	if (qdf_unlikely(!hal_tx_desc)) {
522 		dp_verbose_debug("TCL ring full ring_id:%d", ring_id);
523 		DP_STATS_INC(soc, tx.tcl_ring_full[ring_id], 1);
524 		DP_STATS_INC(vdev, tx_i.dropped.enqueue_fail, 1);
525 		dp_sawf_tx_enqueue_fail_peer_stats(soc, tx_desc);
526 		goto ring_access_fail;
527 	}
528 
529 	tx_desc->flags |= DP_TX_DESC_FLAG_QUEUED_TX;
530 	dp_vdev_peer_stats_update_protocol_cnt_tx(vdev, tx_desc->nbuf);
531 	hal_tx_desc_sync(hal_tx_desc_cached, hal_tx_desc);
532 	coalesce = dp_tx_attempt_coalescing(soc, vdev, tx_desc, tid,
533 					    msdu_info, ring_id);
534 	DP_STATS_INC_PKT(vdev, tx_i.processed, 1, tx_desc->length);
535 	DP_STATS_INC(soc, tx.tcl_enq[ring_id], 1);
536 	dp_tx_update_stats(soc, tx_desc, ring_id);
537 	status = QDF_STATUS_SUCCESS;
538 
539 	dp_tx_hw_desc_update_evt((uint8_t *)hal_tx_desc_cached,
540 				 hal_ring_hdl, soc, ring_id);
541 
542 ring_access_fail:
543 	dp_tx_ring_access_end_wrapper(soc, hal_ring_hdl, coalesce);
544 	dp_pkt_add_timestamp(vdev, QDF_PKT_TX_DRIVER_EXIT,
545 			     qdf_get_log_timestamp(), tx_desc->nbuf);
546 
547 	return status;
548 }
549 
550 QDF_STATUS dp_tx_desc_pool_init_li(struct dp_soc *soc,
551 				   uint32_t num_elem,
552 				   uint8_t pool_id)
553 {
554 	uint32_t id, count, page_id, offset, pool_id_32;
555 	struct dp_tx_desc_s *tx_desc;
556 	struct dp_tx_desc_pool_s *tx_desc_pool;
557 	uint16_t num_desc_per_page;
558 
559 	tx_desc_pool = &soc->tx_desc[pool_id];
560 	tx_desc = tx_desc_pool->freelist;
561 	count = 0;
562 	pool_id_32 = (uint32_t)pool_id;
563 	num_desc_per_page = tx_desc_pool->desc_pages.num_element_per_page;
564 	while (tx_desc) {
565 		page_id = count / num_desc_per_page;
566 		offset = count % num_desc_per_page;
567 		id = ((pool_id_32 << DP_TX_DESC_ID_POOL_OS) |
568 			(page_id << DP_TX_DESC_ID_PAGE_OS) | offset);
569 
570 		tx_desc->id = id;
571 		tx_desc->pool_id = pool_id;
572 		dp_tx_desc_set_magic(tx_desc, DP_TX_MAGIC_PATTERN_FREE);
573 		tx_desc = tx_desc->next;
574 		count++;
575 	}
576 
577 	return QDF_STATUS_SUCCESS;
578 }
579 
580 void dp_tx_desc_pool_deinit_li(struct dp_soc *soc,
581 			       struct dp_tx_desc_pool_s *tx_desc_pool,
582 			       uint8_t pool_id)
583 {
584 }
585 
586 QDF_STATUS dp_tx_compute_tx_delay_li(struct dp_soc *soc,
587 				     struct dp_vdev *vdev,
588 				     struct hal_tx_completion_status *ts,
589 				     uint32_t *delay_us)
590 {
591 	return dp_tx_compute_hw_delay_li(soc, vdev, ts, delay_us);
592 }
593