xref: /wlan-dirver/qca-wifi-host-cmn/dp/wifi3.0/dp_htt.c (revision c8e2987f9325baadee03d0265544a08c4a0217b0)
1 /*
2  * Copyright (c) 2016-2018 The Linux Foundation. All rights reserved.
3  *
4  * Permission to use, copy, modify, and/or distribute this software for
5  * any purpose with or without fee is hereby granted, provided that the
6  * above copyright notice and this permission notice appear in all
7  * copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
10  * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
11  * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
12  * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
13  * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
14  * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
15  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
16  * PERFORMANCE OF THIS SOFTWARE.
17  */
18 
19 #include <htt.h>
20 #include <hal_api.h>
21 #include "dp_htt.h"
22 #include "dp_peer.h"
23 #include "dp_types.h"
24 #include "dp_internal.h"
25 #include "dp_rx_mon.h"
26 #include "htt_stats.h"
27 #include "htt_ppdu_stats.h"
28 #include "qdf_mem.h"   /* qdf_mem_malloc,free */
29 #include "cdp_txrx_cmn_struct.h"
30 
31 #define HTT_TLV_HDR_LEN HTT_T2H_EXT_STATS_CONF_TLV_HDR_SIZE
32 
33 #define HTT_HTC_PKT_POOL_INIT_SIZE 64
34 #define HTT_T2H_MAX_MSG_SIZE 2048
35 
36 #define HTT_MSG_BUF_SIZE(msg_bytes) \
37 	((msg_bytes) + HTC_HEADER_LEN + HTC_HDR_ALIGNMENT_PADDING)
38 
39 #define HTT_PID_BIT_MASK 0x3
40 
41 #define DP_EXT_MSG_LENGTH 2048
42 #define DP_HTT_SEND_HTC_PKT(soc, pkt)                            \
43 do {                                                             \
44 	if (htc_send_pkt(soc->htc_soc, &pkt->htc_pkt) ==         \
45 					QDF_STATUS_SUCCESS)      \
46 		htt_htc_misc_pkt_list_add(soc, pkt);             \
47 } while (0)
48 
49 #define HTT_MGMT_CTRL_TLV_RESERVERD_LEN 12
50 /**
51  * Bitmap of HTT PPDU TLV types for Default mode
52  */
53 #define HTT_PPDU_DEFAULT_TLV_BITMAP \
54 	(1 << HTT_PPDU_STATS_COMMON_TLV) | \
55 	(1 << HTT_PPDU_STATS_USR_COMMON_TLV) | \
56 	(1 << HTT_PPDU_STATS_USR_RATE_TLV) | \
57 	(1 << HTT_PPDU_STATS_SCH_CMD_STATUS_TLV) | \
58 	(1 << HTT_PPDU_STATS_USR_COMPLTN_COMMON_TLV) | \
59 	(1 << HTT_PPDU_STATS_USR_COMPLTN_ACK_BA_STATUS_TLV)
60 
61 /**
62  * Bitmap of HTT PPDU TLV types for Sniffer mode
63  */
64 #define HTT_PPDU_SNIFFER_AMPDU_TLV_BITMAP \
65 	(1 << HTT_PPDU_STATS_COMMON_TLV) | \
66 	(1 << HTT_PPDU_STATS_USR_COMMON_TLV) | \
67 	(1 << HTT_PPDU_STATS_USR_RATE_TLV) | \
68 	(1 << HTT_PPDU_STATS_SCH_CMD_STATUS_TLV) | \
69 	(1 << HTT_PPDU_STATS_USR_COMPLTN_COMMON_TLV) | \
70 	(1 << HTT_PPDU_STATS_USR_COMPLTN_ACK_BA_STATUS_TLV) | \
71 	(1 << HTT_PPDU_STATS_USR_COMPLTN_BA_BITMAP_64_TLV) | \
72 	(1 << HTT_PPDU_STATS_USR_MPDU_ENQ_BITMAP_64_TLV) | \
73 	(1 << HTT_PPDU_STATS_USR_COMPLTN_BA_BITMAP_256_TLV)
74 
75 #define HTT_FRAMECTRL_DATATYPE 0x08
76 #define HTT_PPDU_DESC_MAX_DEPTH 16
77 
78 /*
79  * dp_tx_stats_update() - Update per-peer statistics
80  * @soc: Datapath soc handle
81  * @peer: Datapath peer handle
82  * @ppdu: PPDU Descriptor
83  * @ack_rssi: RSSI of last ack received
84  *
85  * Return: None
86  */
87 #ifdef FEATURE_PERPKT_INFO
88 static void dp_tx_stats_update(struct dp_soc *soc, struct dp_peer *peer,
89 		struct cdp_tx_completion_ppdu_user *ppdu, uint32_t ack_rssi)
90 {
91 	struct dp_pdev *pdev = peer->vdev->pdev;
92 	uint8_t preamble, mcs;
93 	uint16_t num_msdu;
94 
95 	preamble = ppdu->preamble;
96 	mcs = ppdu->mcs;
97 	num_msdu = ppdu->num_msdu;
98 
99 	/* If the peer statistics are already processed as part of
100 	 * per-MSDU completion handler, do not process these again in per-PPDU
101 	 * indications */
102 	if (soc->process_tx_status)
103 		return;
104 
105 	DP_STATS_INC_PKT(peer, tx.comp_pkt,
106 			num_msdu, (ppdu->success_bytes +
107 				ppdu->retry_bytes + ppdu->failed_bytes));
108 	DP_STATS_INC(peer, tx.tx_failed, ppdu->failed_msdus);
109 	DP_STATS_UPD(peer, tx.tx_rate, ppdu->tx_rate);
110 	DP_STATS_INC(peer, tx.sgi_count[ppdu->gi], num_msdu);
111 	DP_STATS_INC(peer, tx.bw[ppdu->bw], num_msdu);
112 	DP_STATS_INC(peer, tx.nss[ppdu->nss], num_msdu);
113 	DP_STATS_INC(peer, tx.wme_ac_type[TID_TO_WME_AC(ppdu->tid)], num_msdu);
114 	DP_STATS_INCC(peer, tx.stbc, num_msdu, ppdu->stbc);
115 	DP_STATS_INCC(peer, tx.ldpc, num_msdu, ppdu->ldpc);
116 	if (!(ppdu->is_mcast))
117 		DP_STATS_UPD(peer, tx.last_ack_rssi, ack_rssi);
118 
119 	DP_STATS_INC(peer, tx.retries,
120 			(ppdu->long_retries + ppdu->short_retries));
121 	DP_STATS_INCC(peer,
122 			tx.pkt_type[preamble].mcs_count[MAX_MCS-1], num_msdu,
123 			((mcs >= MAX_MCS_11A) && (preamble == DOT11_A)));
124 	DP_STATS_INCC(peer,
125 			tx.pkt_type[preamble].mcs_count[mcs], num_msdu,
126 			((mcs < MAX_MCS_11A) && (preamble == DOT11_A)));
127 	DP_STATS_INCC(peer,
128 			tx.pkt_type[preamble].mcs_count[MAX_MCS-1], num_msdu,
129 			((mcs >= MAX_MCS_11B) && (preamble == DOT11_B)));
130 	DP_STATS_INCC(peer,
131 			tx.pkt_type[preamble].mcs_count[mcs], num_msdu,
132 			((mcs < (MAX_MCS_11B)) && (preamble == DOT11_B)));
133 	DP_STATS_INCC(peer,
134 			tx.pkt_type[preamble].mcs_count[MAX_MCS-1], num_msdu,
135 			((mcs >= MAX_MCS_11A) && (preamble == DOT11_N)));
136 	DP_STATS_INCC(peer,
137 			tx.pkt_type[preamble].mcs_count[mcs], num_msdu,
138 			((mcs < MAX_MCS_11A) && (preamble == DOT11_N)));
139 	DP_STATS_INCC(peer,
140 			tx.pkt_type[preamble].mcs_count[MAX_MCS-1], num_msdu,
141 			((mcs >= MAX_MCS_11AC) && (preamble == DOT11_AC)));
142 	DP_STATS_INCC(peer,
143 			tx.pkt_type[preamble].mcs_count[mcs], num_msdu,
144 			((mcs < MAX_MCS_11AC) && (preamble == DOT11_AC)));
145 	DP_STATS_INCC(peer,
146 			tx.pkt_type[preamble].mcs_count[MAX_MCS-1], num_msdu,
147 			((mcs >= (MAX_MCS - 1)) && (preamble == DOT11_AX)));
148 	DP_STATS_INCC(peer,
149 			tx.pkt_type[preamble].mcs_count[mcs], num_msdu,
150 			((mcs < (MAX_MCS - 1)) && (preamble == DOT11_AX)));
151 
152 	if (soc->cdp_soc.ol_ops->update_dp_stats) {
153 		soc->cdp_soc.ol_ops->update_dp_stats(pdev->osif_pdev,
154 				&peer->stats, ppdu->peer_id,
155 				UPDATE_PEER_STATS);
156 
157 		dp_aggregate_vdev_stats(peer->vdev);
158 	}
159 }
160 #endif
161 
162 /*
163  * htt_htc_pkt_alloc() - Allocate HTC packet buffer
164  * @htt_soc:	HTT SOC handle
165  *
166  * Return: Pointer to htc packet buffer
167  */
168 static struct dp_htt_htc_pkt *
169 htt_htc_pkt_alloc(struct htt_soc *soc)
170 {
171 	struct dp_htt_htc_pkt_union *pkt = NULL;
172 
173 	HTT_TX_MUTEX_ACQUIRE(&soc->htt_tx_mutex);
174 	if (soc->htt_htc_pkt_freelist) {
175 		pkt = soc->htt_htc_pkt_freelist;
176 		soc->htt_htc_pkt_freelist = soc->htt_htc_pkt_freelist->u.next;
177 	}
178 	HTT_TX_MUTEX_RELEASE(&soc->htt_tx_mutex);
179 
180 	if (pkt == NULL)
181 		pkt = qdf_mem_malloc(sizeof(*pkt));
182 	return &pkt->u.pkt; /* not actually a dereference */
183 }
184 
185 /*
186  * htt_htc_pkt_free() - Free HTC packet buffer
187  * @htt_soc:	HTT SOC handle
188  */
189 static void
190 htt_htc_pkt_free(struct htt_soc *soc, struct dp_htt_htc_pkt *pkt)
191 {
192 	struct dp_htt_htc_pkt_union *u_pkt =
193 		(struct dp_htt_htc_pkt_union *)pkt;
194 
195 	HTT_TX_MUTEX_ACQUIRE(&soc->htt_tx_mutex);
196 	u_pkt->u.next = soc->htt_htc_pkt_freelist;
197 	soc->htt_htc_pkt_freelist = u_pkt;
198 	HTT_TX_MUTEX_RELEASE(&soc->htt_tx_mutex);
199 }
200 
201 /*
202  * htt_htc_pkt_pool_free() - Free HTC packet pool
203  * @htt_soc:	HTT SOC handle
204  */
205 static void
206 htt_htc_pkt_pool_free(struct htt_soc *soc)
207 {
208 	struct dp_htt_htc_pkt_union *pkt, *next;
209 	pkt = soc->htt_htc_pkt_freelist;
210 	while (pkt) {
211 		next = pkt->u.next;
212 		qdf_mem_free(pkt);
213 		pkt = next;
214 	}
215 	soc->htt_htc_pkt_freelist = NULL;
216 }
217 
218 /*
219  * htt_htc_misc_pkt_list_trim() - trim misc list
220  * @htt_soc: HTT SOC handle
221  * @level: max no. of pkts in list
222  */
223 static void
224 htt_htc_misc_pkt_list_trim(struct htt_soc *soc, int level)
225 {
226 	struct dp_htt_htc_pkt_union *pkt, *next, *prev = NULL;
227 	int i = 0;
228 	qdf_nbuf_t netbuf;
229 
230 	HTT_TX_MUTEX_ACQUIRE(&soc->htt_tx_mutex);
231 	pkt = soc->htt_htc_pkt_misclist;
232 	while (pkt) {
233 		next = pkt->u.next;
234 		/* trim the out grown list*/
235 		if (++i > level) {
236 			netbuf =
237 				(qdf_nbuf_t)(pkt->u.pkt.htc_pkt.pNetBufContext);
238 			qdf_nbuf_unmap(soc->osdev, netbuf, QDF_DMA_TO_DEVICE);
239 			qdf_nbuf_free(netbuf);
240 			qdf_mem_free(pkt);
241 			pkt = NULL;
242 			if (prev)
243 				prev->u.next = NULL;
244 		}
245 		prev = pkt;
246 		pkt = next;
247 	}
248 	HTT_TX_MUTEX_RELEASE(&soc->htt_tx_mutex);
249 }
250 
251 /*
252  * htt_htc_misc_pkt_list_add() - Add pkt to misc list
253  * @htt_soc:	HTT SOC handle
254  * @dp_htt_htc_pkt: pkt to be added to list
255  */
256 static void
257 htt_htc_misc_pkt_list_add(struct htt_soc *soc, struct dp_htt_htc_pkt *pkt)
258 {
259 	struct dp_htt_htc_pkt_union *u_pkt =
260 				(struct dp_htt_htc_pkt_union *)pkt;
261 	int misclist_trim_level = htc_get_tx_queue_depth(soc->htc_soc,
262 							pkt->htc_pkt.Endpoint)
263 				+ DP_HTT_HTC_PKT_MISCLIST_SIZE;
264 
265 	HTT_TX_MUTEX_ACQUIRE(&soc->htt_tx_mutex);
266 	if (soc->htt_htc_pkt_misclist) {
267 		u_pkt->u.next = soc->htt_htc_pkt_misclist;
268 		soc->htt_htc_pkt_misclist = u_pkt;
269 	} else {
270 		soc->htt_htc_pkt_misclist = u_pkt;
271 	}
272 	HTT_TX_MUTEX_RELEASE(&soc->htt_tx_mutex);
273 
274 	/* only ce pipe size + tx_queue_depth could possibly be in use
275 	 * free older packets in the misclist
276 	 */
277 	htt_htc_misc_pkt_list_trim(soc, misclist_trim_level);
278 }
279 
280 /*
281  * htt_htc_misc_pkt_pool_free() - free pkts in misc list
282  * @htt_soc:	HTT SOC handle
283  */
284 static void
285 htt_htc_misc_pkt_pool_free(struct htt_soc *soc)
286 {
287 	struct dp_htt_htc_pkt_union *pkt, *next;
288 	qdf_nbuf_t netbuf;
289 
290 	pkt = soc->htt_htc_pkt_misclist;
291 
292 	while (pkt) {
293 		next = pkt->u.next;
294 		netbuf = (qdf_nbuf_t) (pkt->u.pkt.htc_pkt.pNetBufContext);
295 		qdf_nbuf_unmap(soc->osdev, netbuf, QDF_DMA_TO_DEVICE);
296 
297 		soc->stats.htc_pkt_free++;
298 		QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO_LOW,
299 			 "%s: Pkt free count %d\n",
300 			 __func__, soc->stats.htc_pkt_free);
301 
302 		qdf_nbuf_free(netbuf);
303 		qdf_mem_free(pkt);
304 		pkt = next;
305 	}
306 	soc->htt_htc_pkt_misclist = NULL;
307 }
308 
309 /*
310  * htt_t2h_mac_addr_deswizzle() - Swap MAC addr bytes if FW endianess differ
311  * @tgt_mac_addr:	Target MAC
312  * @buffer:		Output buffer
313  */
314 static u_int8_t *
315 htt_t2h_mac_addr_deswizzle(u_int8_t *tgt_mac_addr, u_int8_t *buffer)
316 {
317 #ifdef BIG_ENDIAN_HOST
318 	/*
319 	 * The host endianness is opposite of the target endianness.
320 	 * To make u_int32_t elements come out correctly, the target->host
321 	 * upload has swizzled the bytes in each u_int32_t element of the
322 	 * message.
323 	 * For byte-array message fields like the MAC address, this
324 	 * upload swizzling puts the bytes in the wrong order, and needs
325 	 * to be undone.
326 	 */
327 	buffer[0] = tgt_mac_addr[3];
328 	buffer[1] = tgt_mac_addr[2];
329 	buffer[2] = tgt_mac_addr[1];
330 	buffer[3] = tgt_mac_addr[0];
331 	buffer[4] = tgt_mac_addr[7];
332 	buffer[5] = tgt_mac_addr[6];
333 	return buffer;
334 #else
335 	/*
336 	 * The host endianness matches the target endianness -
337 	 * we can use the mac addr directly from the message buffer.
338 	 */
339 	return tgt_mac_addr;
340 #endif
341 }
342 
343 /*
344  * dp_htt_h2t_send_complete_free_netbuf() - Free completed buffer
345  * @soc:	SOC handle
346  * @status:	Completion status
347  * @netbuf:	HTT buffer
348  */
349 static void
350 dp_htt_h2t_send_complete_free_netbuf(
351 	void *soc, A_STATUS status, qdf_nbuf_t netbuf)
352 {
353 	qdf_nbuf_free(netbuf);
354 }
355 
356 /*
357  * dp_htt_h2t_send_complete() - H2T completion handler
358  * @context:	Opaque context (HTT SOC handle)
359  * @htc_pkt:	HTC packet
360  */
361 static void
362 dp_htt_h2t_send_complete(void *context, HTC_PACKET *htc_pkt)
363 {
364 	void (*send_complete_part2)(
365 		void *soc, A_STATUS status, qdf_nbuf_t msdu);
366 	struct htt_soc *soc =  (struct htt_soc *) context;
367 	struct dp_htt_htc_pkt *htt_pkt;
368 	qdf_nbuf_t netbuf;
369 
370 	send_complete_part2 = htc_pkt->pPktContext;
371 
372 	htt_pkt = container_of(htc_pkt, struct dp_htt_htc_pkt, htc_pkt);
373 
374 	/* process (free or keep) the netbuf that held the message */
375 	netbuf = (qdf_nbuf_t) htc_pkt->pNetBufContext;
376 	/*
377 	 * adf sendcomplete is required for windows only
378 	 */
379 	/* qdf_nbuf_set_sendcompleteflag(netbuf, TRUE); */
380 	if (send_complete_part2 != NULL) {
381 		send_complete_part2(
382 			htt_pkt->soc_ctxt, htc_pkt->Status, netbuf);
383 	}
384 	/* free the htt_htc_pkt / HTC_PACKET object */
385 	htt_htc_pkt_free(soc, htt_pkt);
386 }
387 
388 /*
389  * htt_h2t_ver_req_msg() - Send HTT version request message to target
390  * @htt_soc:	HTT SOC handle
391  *
392  * Return: 0 on success; error code on failure
393  */
394 static int htt_h2t_ver_req_msg(struct htt_soc *soc)
395 {
396 	struct dp_htt_htc_pkt *pkt;
397 	qdf_nbuf_t msg;
398 	uint32_t *msg_word;
399 
400 	msg = qdf_nbuf_alloc(
401 		soc->osdev,
402 		HTT_MSG_BUF_SIZE(HTT_VER_REQ_BYTES),
403 		/* reserve room for the HTC header */
404 		HTC_HEADER_LEN + HTC_HDR_ALIGNMENT_PADDING, 4, TRUE);
405 	if (!msg)
406 		return QDF_STATUS_E_NOMEM;
407 
408 	/*
409 	 * Set the length of the message.
410 	 * The contribution from the HTC_HDR_ALIGNMENT_PADDING is added
411 	 * separately during the below call to qdf_nbuf_push_head.
412 	 * The contribution from the HTC header is added separately inside HTC.
413 	 */
414 	if (qdf_nbuf_put_tail(msg, HTT_VER_REQ_BYTES) == NULL) {
415 		QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
416 			"%s: Failed to expand head for HTT_H2T_MSG_TYPE_VERSION_REQ msg\n",
417 			__func__);
418 		return QDF_STATUS_E_FAILURE;
419 	}
420 
421 	/* fill in the message contents */
422 	msg_word = (u_int32_t *) qdf_nbuf_data(msg);
423 
424 	/* rewind beyond alignment pad to get to the HTC header reserved area */
425 	qdf_nbuf_push_head(msg, HTC_HDR_ALIGNMENT_PADDING);
426 
427 	*msg_word = 0;
428 	HTT_H2T_MSG_TYPE_SET(*msg_word, HTT_H2T_MSG_TYPE_VERSION_REQ);
429 
430 	pkt = htt_htc_pkt_alloc(soc);
431 	if (!pkt) {
432 		qdf_nbuf_free(msg);
433 		return QDF_STATUS_E_FAILURE;
434 	}
435 	pkt->soc_ctxt = NULL; /* not used during send-done callback */
436 
437 	SET_HTC_PACKET_INFO_TX(&pkt->htc_pkt,
438 		dp_htt_h2t_send_complete_free_netbuf, qdf_nbuf_data(msg),
439 		qdf_nbuf_len(msg), soc->htc_endpoint,
440 		1); /* tag - not relevant here */
441 
442 	SET_HTC_PACKET_NET_BUF_CONTEXT(&pkt->htc_pkt, msg);
443 	DP_HTT_SEND_HTC_PKT(soc, pkt);
444 	return 0;
445 }
446 
447 /*
448  * htt_srng_setup() - Send SRNG setup message to target
449  * @htt_soc:	HTT SOC handle
450  * @mac_id:	MAC Id
451  * @hal_srng:	Opaque HAL SRNG pointer
452  * @hal_ring_type:	SRNG ring type
453  *
454  * Return: 0 on success; error code on failure
455  */
456 int htt_srng_setup(void *htt_soc, int mac_id, void *hal_srng,
457 	int hal_ring_type)
458 {
459 	struct htt_soc *soc = (struct htt_soc *)htt_soc;
460 	struct dp_htt_htc_pkt *pkt;
461 	qdf_nbuf_t htt_msg;
462 	uint32_t *msg_word;
463 	struct hal_srng_params srng_params;
464 	qdf_dma_addr_t hp_addr, tp_addr;
465 	uint32_t ring_entry_size =
466 		hal_srng_get_entrysize(soc->hal_soc, hal_ring_type);
467 	int htt_ring_type, htt_ring_id;
468 
469 	/* Sizes should be set in 4-byte words */
470 	ring_entry_size = ring_entry_size >> 2;
471 
472 	htt_msg = qdf_nbuf_alloc(soc->osdev,
473 		HTT_MSG_BUF_SIZE(HTT_SRING_SETUP_SZ),
474 		/* reserve room for the HTC header */
475 		HTC_HEADER_LEN + HTC_HDR_ALIGNMENT_PADDING, 4, TRUE);
476 	if (!htt_msg)
477 		goto fail0;
478 
479 	hal_get_srng_params(soc->hal_soc, hal_srng, &srng_params);
480 	hp_addr = hal_srng_get_hp_addr(soc->hal_soc, hal_srng);
481 	tp_addr = hal_srng_get_tp_addr(soc->hal_soc, hal_srng);
482 
483 	switch (hal_ring_type) {
484 	case RXDMA_BUF:
485 #ifdef QCA_HOST2FW_RXBUF_RING
486 		if (srng_params.ring_id ==
487 		    (HAL_SRNG_WMAC1_SW2RXDMA0_BUF0)) {
488 			htt_ring_id = HTT_HOST1_TO_FW_RXBUF_RING;
489 			htt_ring_type = HTT_SW_TO_SW_RING;
490 #ifdef IPA_OFFLOAD
491 		} else if (srng_params.ring_id ==
492 		    (HAL_SRNG_WMAC1_SW2RXDMA0_BUF2)) {
493 			htt_ring_id = HTT_HOST2_TO_FW_RXBUF_RING;
494 			htt_ring_type = HTT_SW_TO_SW_RING;
495 #endif
496 #else
497 		if (srng_params.ring_id ==
498 			(HAL_SRNG_WMAC1_SW2RXDMA0_BUF0 +
499 			  (mac_id * HAL_MAX_RINGS_PER_LMAC))) {
500 			htt_ring_id = HTT_RXDMA_HOST_BUF_RING;
501 			htt_ring_type = HTT_SW_TO_HW_RING;
502 #endif
503 		} else if (srng_params.ring_id ==
504 #ifdef IPA_OFFLOAD
505 			 (HAL_SRNG_WMAC1_SW2RXDMA0_BUF1 +
506 #else
507 			 (HAL_SRNG_WMAC1_SW2RXDMA1_BUF +
508 #endif
509 			  (mac_id * HAL_MAX_RINGS_PER_LMAC))) {
510 			htt_ring_id = HTT_RXDMA_HOST_BUF_RING;
511 			htt_ring_type = HTT_SW_TO_HW_RING;
512 		} else {
513 			QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
514 				   "%s: Ring %d currently not supported\n",
515 				   __func__, srng_params.ring_id);
516 			goto fail1;
517 		}
518 
519 		QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
520 			 "%s: ring_type %d ring_id %d\n",
521 			 __func__, hal_ring_type, srng_params.ring_id);
522 		QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
523 			 "%s: hp_addr 0x%llx tp_addr 0x%llx\n",
524 			 __func__, (uint64_t)hp_addr, (uint64_t)tp_addr);
525 		QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
526 			 "%s: htt_ring_id %d\n", __func__, htt_ring_id);
527 		break;
528 	case RXDMA_MONITOR_BUF:
529 		htt_ring_id = HTT_RXDMA_MONITOR_BUF_RING;
530 		htt_ring_type = HTT_SW_TO_HW_RING;
531 		break;
532 	case RXDMA_MONITOR_STATUS:
533 		htt_ring_id = HTT_RXDMA_MONITOR_STATUS_RING;
534 		htt_ring_type = HTT_SW_TO_HW_RING;
535 		break;
536 	case RXDMA_MONITOR_DST:
537 		htt_ring_id = HTT_RXDMA_MONITOR_DEST_RING;
538 		htt_ring_type = HTT_HW_TO_SW_RING;
539 		break;
540 	case RXDMA_MONITOR_DESC:
541 		htt_ring_id = HTT_RXDMA_MONITOR_DESC_RING;
542 		htt_ring_type = HTT_SW_TO_HW_RING;
543 		break;
544 	case RXDMA_DST:
545 		htt_ring_id = HTT_RXDMA_NON_MONITOR_DEST_RING;
546 		htt_ring_type = HTT_HW_TO_SW_RING;
547 		break;
548 
549 	default:
550 		QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
551 			"%s: Ring currently not supported\n", __func__);
552 			goto fail1;
553 	}
554 
555 	/*
556 	 * Set the length of the message.
557 	 * The contribution from the HTC_HDR_ALIGNMENT_PADDING is added
558 	 * separately during the below call to qdf_nbuf_push_head.
559 	 * The contribution from the HTC header is added separately inside HTC.
560 	 */
561 	if (qdf_nbuf_put_tail(htt_msg, HTT_SRING_SETUP_SZ) == NULL) {
562 		QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
563 			"%s: Failed to expand head for SRING_SETUP msg\n",
564 			__func__);
565 		return QDF_STATUS_E_FAILURE;
566 	}
567 
568 	msg_word = (uint32_t *)qdf_nbuf_data(htt_msg);
569 
570 	/* rewind beyond alignment pad to get to the HTC header reserved area */
571 	qdf_nbuf_push_head(htt_msg, HTC_HDR_ALIGNMENT_PADDING);
572 
573 	/* word 0 */
574 	*msg_word = 0;
575 	HTT_H2T_MSG_TYPE_SET(*msg_word, HTT_H2T_MSG_TYPE_SRING_SETUP);
576 
577 	if ((htt_ring_type == HTT_SW_TO_HW_RING) ||
578 			(htt_ring_type == HTT_HW_TO_SW_RING))
579 		HTT_SRING_SETUP_PDEV_ID_SET(*msg_word,
580 			 DP_SW2HW_MACID(mac_id));
581 	else
582 		HTT_SRING_SETUP_PDEV_ID_SET(*msg_word, mac_id);
583 
584 	QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
585 			 "%s: mac_id %d\n", __func__, mac_id);
586 	HTT_SRING_SETUP_RING_TYPE_SET(*msg_word, htt_ring_type);
587 	/* TODO: Discuss with FW on changing this to unique ID and using
588 	 * htt_ring_type to send the type of ring
589 	 */
590 	HTT_SRING_SETUP_RING_ID_SET(*msg_word, htt_ring_id);
591 
592 	/* word 1 */
593 	msg_word++;
594 	*msg_word = 0;
595 	HTT_SRING_SETUP_RING_BASE_ADDR_LO_SET(*msg_word,
596 		srng_params.ring_base_paddr & 0xffffffff);
597 
598 	/* word 2 */
599 	msg_word++;
600 	*msg_word = 0;
601 	HTT_SRING_SETUP_RING_BASE_ADDR_HI_SET(*msg_word,
602 		(uint64_t)srng_params.ring_base_paddr >> 32);
603 
604 	/* word 3 */
605 	msg_word++;
606 	*msg_word = 0;
607 	HTT_SRING_SETUP_ENTRY_SIZE_SET(*msg_word, ring_entry_size);
608 	HTT_SRING_SETUP_RING_SIZE_SET(*msg_word,
609 		(ring_entry_size * srng_params.num_entries));
610 	QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
611 			 "%s: entry_size %d\n", __func__,
612 			 ring_entry_size);
613 	QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
614 			 "%s: num_entries %d\n", __func__,
615 			 srng_params.num_entries);
616 	QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
617 			 "%s: ring_size %d\n", __func__,
618 			 (ring_entry_size * srng_params.num_entries));
619 	if (htt_ring_type == HTT_SW_TO_HW_RING)
620 		HTT_SRING_SETUP_RING_MISC_CFG_FLAG_LOOPCOUNT_DISABLE_SET(
621 						*msg_word, 1);
622 	HTT_SRING_SETUP_RING_MISC_CFG_FLAG_MSI_SWAP_SET(*msg_word,
623 		!!(srng_params.flags & HAL_SRNG_MSI_SWAP));
624 	HTT_SRING_SETUP_RING_MISC_CFG_FLAG_TLV_SWAP_SET(*msg_word,
625 		!!(srng_params.flags & HAL_SRNG_DATA_TLV_SWAP));
626 	HTT_SRING_SETUP_RING_MISC_CFG_FLAG_HOST_FW_SWAP_SET(*msg_word,
627 		!!(srng_params.flags & HAL_SRNG_RING_PTR_SWAP));
628 
629 	/* word 4 */
630 	msg_word++;
631 	*msg_word = 0;
632 	HTT_SRING_SETUP_HEAD_OFFSET32_REMOTE_BASE_ADDR_LO_SET(*msg_word,
633 		hp_addr & 0xffffffff);
634 
635 	/* word 5 */
636 	msg_word++;
637 	*msg_word = 0;
638 	HTT_SRING_SETUP_HEAD_OFFSET32_REMOTE_BASE_ADDR_HI_SET(*msg_word,
639 		(uint64_t)hp_addr >> 32);
640 
641 	/* word 6 */
642 	msg_word++;
643 	*msg_word = 0;
644 	HTT_SRING_SETUP_TAIL_OFFSET32_REMOTE_BASE_ADDR_LO_SET(*msg_word,
645 		tp_addr & 0xffffffff);
646 
647 	/* word 7 */
648 	msg_word++;
649 	*msg_word = 0;
650 	HTT_SRING_SETUP_TAIL_OFFSET32_REMOTE_BASE_ADDR_HI_SET(*msg_word,
651 		(uint64_t)tp_addr >> 32);
652 
653 	/* word 8 */
654 	msg_word++;
655 	*msg_word = 0;
656 	HTT_SRING_SETUP_RING_MSI_ADDR_LO_SET(*msg_word,
657 		srng_params.msi_addr & 0xffffffff);
658 
659 	/* word 9 */
660 	msg_word++;
661 	*msg_word = 0;
662 	HTT_SRING_SETUP_RING_MSI_ADDR_HI_SET(*msg_word,
663 		(uint64_t)(srng_params.msi_addr) >> 32);
664 
665 	/* word 10 */
666 	msg_word++;
667 	*msg_word = 0;
668 	HTT_SRING_SETUP_RING_MSI_DATA_SET(*msg_word,
669 		srng_params.msi_data);
670 
671 	/* word 11 */
672 	msg_word++;
673 	*msg_word = 0;
674 	HTT_SRING_SETUP_INTR_BATCH_COUNTER_TH_SET(*msg_word,
675 		srng_params.intr_batch_cntr_thres_entries *
676 		ring_entry_size);
677 	HTT_SRING_SETUP_INTR_TIMER_TH_SET(*msg_word,
678 		srng_params.intr_timer_thres_us >> 3);
679 
680 	/* word 12 */
681 	msg_word++;
682 	*msg_word = 0;
683 	if (srng_params.flags & HAL_SRNG_LOW_THRES_INTR_ENABLE) {
684 		/* TODO: Setting low threshold to 1/8th of ring size - see
685 		 * if this needs to be configurable
686 		 */
687 		HTT_SRING_SETUP_INTR_LOW_TH_SET(*msg_word,
688 			srng_params.low_threshold);
689 	}
690 	/* "response_required" field should be set if a HTT response message is
691 	 * required after setting up the ring.
692 	 */
693 	pkt = htt_htc_pkt_alloc(soc);
694 	if (!pkt)
695 		goto fail1;
696 
697 	pkt->soc_ctxt = NULL; /* not used during send-done callback */
698 
699 	SET_HTC_PACKET_INFO_TX(
700 		&pkt->htc_pkt,
701 		dp_htt_h2t_send_complete_free_netbuf,
702 		qdf_nbuf_data(htt_msg),
703 		qdf_nbuf_len(htt_msg),
704 		soc->htc_endpoint,
705 		HTC_TX_PACKET_TAG_RUNTIME_PUT); /* tag for no FW response msg */
706 
707 	SET_HTC_PACKET_NET_BUF_CONTEXT(&pkt->htc_pkt, htt_msg);
708 	DP_HTT_SEND_HTC_PKT(soc, pkt);
709 
710 	return QDF_STATUS_SUCCESS;
711 
712 fail1:
713 	qdf_nbuf_free(htt_msg);
714 fail0:
715 	return QDF_STATUS_E_FAILURE;
716 }
717 
718 /*
719  * htt_h2t_rx_ring_cfg() - Send SRNG packet and TLV filter
720  * config message to target
721  * @htt_soc:	HTT SOC handle
722  * @pdev_id:	PDEV Id
723  * @hal_srng:	Opaque HAL SRNG pointer
724  * @hal_ring_type:	SRNG ring type
725  * @ring_buf_size:	SRNG buffer size
726  * @htt_tlv_filter:	Rx SRNG TLV and filter setting
727  * Return: 0 on success; error code on failure
728  */
729 int htt_h2t_rx_ring_cfg(void *htt_soc, int pdev_id, void *hal_srng,
730 	int hal_ring_type, int ring_buf_size,
731 	struct htt_rx_ring_tlv_filter *htt_tlv_filter)
732 {
733 	struct htt_soc *soc = (struct htt_soc *)htt_soc;
734 	struct dp_htt_htc_pkt *pkt;
735 	qdf_nbuf_t htt_msg;
736 	uint32_t *msg_word;
737 	struct hal_srng_params srng_params;
738 	uint32_t htt_ring_type, htt_ring_id;
739 	uint32_t tlv_filter;
740 
741 	htt_msg = qdf_nbuf_alloc(soc->osdev,
742 		HTT_MSG_BUF_SIZE(HTT_RX_RING_SELECTION_CFG_SZ),
743 	/* reserve room for the HTC header */
744 	HTC_HEADER_LEN + HTC_HDR_ALIGNMENT_PADDING, 4, TRUE);
745 	if (!htt_msg)
746 		goto fail0;
747 
748 	hal_get_srng_params(soc->hal_soc, hal_srng, &srng_params);
749 
750 	switch (hal_ring_type) {
751 	case RXDMA_BUF:
752 #if QCA_HOST2FW_RXBUF_RING
753 		htt_ring_id = HTT_HOST1_TO_FW_RXBUF_RING;
754 		htt_ring_type = HTT_SW_TO_SW_RING;
755 #else
756 		htt_ring_id = HTT_RXDMA_HOST_BUF_RING;
757 		htt_ring_type = HTT_SW_TO_HW_RING;
758 #endif
759 		break;
760 	case RXDMA_MONITOR_BUF:
761 		htt_ring_id = HTT_RXDMA_MONITOR_BUF_RING;
762 		htt_ring_type = HTT_SW_TO_HW_RING;
763 		break;
764 	case RXDMA_MONITOR_STATUS:
765 		htt_ring_id = HTT_RXDMA_MONITOR_STATUS_RING;
766 		htt_ring_type = HTT_SW_TO_HW_RING;
767 		break;
768 	case RXDMA_MONITOR_DST:
769 		htt_ring_id = HTT_RXDMA_MONITOR_DEST_RING;
770 		htt_ring_type = HTT_HW_TO_SW_RING;
771 		break;
772 	case RXDMA_MONITOR_DESC:
773 		htt_ring_id = HTT_RXDMA_MONITOR_DESC_RING;
774 		htt_ring_type = HTT_SW_TO_HW_RING;
775 		break;
776 	case RXDMA_DST:
777 		htt_ring_id = HTT_RXDMA_NON_MONITOR_DEST_RING;
778 		htt_ring_type = HTT_HW_TO_SW_RING;
779 		break;
780 
781 	default:
782 		QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
783 			"%s: Ring currently not supported\n", __func__);
784 		goto fail1;
785 	}
786 
787 	/*
788 	 * Set the length of the message.
789 	 * The contribution from the HTC_HDR_ALIGNMENT_PADDING is added
790 	 * separately during the below call to qdf_nbuf_push_head.
791 	 * The contribution from the HTC header is added separately inside HTC.
792 	 */
793 	if (qdf_nbuf_put_tail(htt_msg, HTT_RX_RING_SELECTION_CFG_SZ) == NULL) {
794 		QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
795 			"%s: Failed to expand head for RX Ring Cfg msg\n",
796 			__func__);
797 		goto fail1; /* failure */
798 	}
799 
800 	msg_word = (uint32_t *)qdf_nbuf_data(htt_msg);
801 
802 	/* rewind beyond alignment pad to get to the HTC header reserved area */
803 	qdf_nbuf_push_head(htt_msg, HTC_HDR_ALIGNMENT_PADDING);
804 
805 	/* word 0 */
806 	*msg_word = 0;
807 	HTT_H2T_MSG_TYPE_SET(*msg_word, HTT_H2T_MSG_TYPE_RX_RING_SELECTION_CFG);
808 
809 	/*
810 	 * pdev_id is indexed from 0 whereas mac_id is indexed from 1
811 	 * SW_TO_SW and SW_TO_HW rings are unaffected by this
812 	 */
813 	if (htt_ring_type == HTT_SW_TO_SW_RING ||
814 			htt_ring_type == HTT_SW_TO_HW_RING)
815 		HTT_RX_RING_SELECTION_CFG_PDEV_ID_SET(*msg_word,
816 						DP_SW2HW_MACID(pdev_id));
817 
818 	/* TODO: Discuss with FW on changing this to unique ID and using
819 	 * htt_ring_type to send the type of ring
820 	 */
821 	HTT_RX_RING_SELECTION_CFG_RING_ID_SET(*msg_word, htt_ring_id);
822 
823 	HTT_RX_RING_SELECTION_CFG_STATUS_TLV_SET(*msg_word,
824 		!!(srng_params.flags & HAL_SRNG_MSI_SWAP));
825 
826 	HTT_RX_RING_SELECTION_CFG_PKT_TLV_SET(*msg_word,
827 		!!(srng_params.flags & HAL_SRNG_DATA_TLV_SWAP));
828 
829 	/* word 1 */
830 	msg_word++;
831 	*msg_word = 0;
832 	HTT_RX_RING_SELECTION_CFG_RING_BUFFER_SIZE_SET(*msg_word,
833 		ring_buf_size);
834 
835 	/* word 2 */
836 	msg_word++;
837 	*msg_word = 0;
838 
839 	if (htt_tlv_filter->enable_fp) {
840 		/* TYPE: MGMT */
841 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG0,
842 			FP, MGMT, 0000,
843 			(htt_tlv_filter->fp_mgmt_filter &
844 			FILTER_MGMT_ASSOC_REQ) ? 1 : 0);
845 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG0,
846 			FP, MGMT, 0001,
847 			(htt_tlv_filter->fp_mgmt_filter &
848 			FILTER_MGMT_ASSOC_RES) ? 1 : 0);
849 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG0,
850 			FP, MGMT, 0010,
851 			(htt_tlv_filter->fp_mgmt_filter &
852 			FILTER_MGMT_REASSOC_REQ) ? 1 : 0);
853 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG0,
854 			FP, MGMT, 0011,
855 			(htt_tlv_filter->fp_mgmt_filter &
856 			FILTER_MGMT_REASSOC_RES) ? 1 : 0);
857 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG0,
858 			FP, MGMT, 0100,
859 			(htt_tlv_filter->fp_mgmt_filter &
860 			FILTER_MGMT_PROBE_REQ) ? 1 : 0);
861 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG0,
862 			FP, MGMT, 0101,
863 			(htt_tlv_filter->fp_mgmt_filter &
864 			FILTER_MGMT_PROBE_RES) ? 1 : 0);
865 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG0,
866 			FP, MGMT, 0110,
867 			(htt_tlv_filter->fp_mgmt_filter &
868 			FILTER_MGMT_TIM_ADVT) ? 1 : 0);
869 		/* reserved */
870 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG0, FP,
871 			MGMT, 0111,
872 			(htt_tlv_filter->fp_mgmt_filter &
873 			FILTER_MGMT_RESERVED_7) ? 1 : 0);
874 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG0,
875 			FP, MGMT, 1000,
876 			(htt_tlv_filter->fp_mgmt_filter &
877 			FILTER_MGMT_BEACON) ? 1 : 0);
878 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG0,
879 			FP, MGMT, 1001,
880 			(htt_tlv_filter->fp_mgmt_filter &
881 			FILTER_MGMT_ATIM) ? 1 : 0);
882 	}
883 
884 	if (htt_tlv_filter->enable_md) {
885 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG0, MD,
886 				MGMT, 0000, 1);
887 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG0, MD,
888 				MGMT, 0001, 1);
889 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG0, MD,
890 				MGMT, 0010, 1);
891 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG0, MD,
892 				MGMT, 0011, 1);
893 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG0, MD,
894 				MGMT, 0100, 1);
895 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG0, MD,
896 				MGMT, 0101, 1);
897 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG0, MD,
898 				MGMT, 0110, 1);
899 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG0, MD,
900 				MGMT, 0111, 1);
901 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG0, MD,
902 				MGMT, 1000, 1);
903 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG0, MD,
904 				MGMT, 1001, 1);
905 	}
906 
907 	if (htt_tlv_filter->enable_mo) {
908 		/* TYPE: MGMT */
909 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG0,
910 			MO, MGMT, 0000,
911 			(htt_tlv_filter->mo_mgmt_filter &
912 			FILTER_MGMT_ASSOC_REQ) ? 1 : 0);
913 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG0,
914 			MO, MGMT, 0001,
915 			(htt_tlv_filter->mo_mgmt_filter &
916 			FILTER_MGMT_ASSOC_RES) ? 1 : 0);
917 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG0,
918 			MO, MGMT, 0010,
919 			(htt_tlv_filter->mo_mgmt_filter &
920 			FILTER_MGMT_REASSOC_REQ) ? 1 : 0);
921 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG0,
922 			MO, MGMT, 0011,
923 			(htt_tlv_filter->mo_mgmt_filter &
924 			FILTER_MGMT_REASSOC_RES) ? 1 : 0);
925 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG0,
926 			MO, MGMT, 0100,
927 			(htt_tlv_filter->mo_mgmt_filter &
928 			FILTER_MGMT_PROBE_REQ) ? 1 : 0);
929 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG0,
930 			MO, MGMT, 0101,
931 			(htt_tlv_filter->mo_mgmt_filter &
932 			FILTER_MGMT_PROBE_RES) ? 1 : 0);
933 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG0,
934 			MO, MGMT, 0110,
935 			(htt_tlv_filter->mo_mgmt_filter &
936 			FILTER_MGMT_TIM_ADVT) ? 1 : 0);
937 		/* reserved */
938 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG0, MO,
939 			MGMT, 0111,
940 			(htt_tlv_filter->mo_mgmt_filter &
941 			FILTER_MGMT_RESERVED_7) ? 1 : 0);
942 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG0,
943 			MO, MGMT, 1000,
944 			(htt_tlv_filter->mo_mgmt_filter &
945 			FILTER_MGMT_BEACON) ? 1 : 0);
946 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG0,
947 			MO, MGMT, 1001,
948 			(htt_tlv_filter->mo_mgmt_filter &
949 			FILTER_MGMT_ATIM) ? 1 : 0);
950 	}
951 
952 	/* word 3 */
953 	msg_word++;
954 	*msg_word = 0;
955 
956 	if (htt_tlv_filter->enable_fp) {
957 		/* TYPE: MGMT */
958 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG1,
959 			FP, MGMT, 1010,
960 			(htt_tlv_filter->fp_mgmt_filter &
961 			FILTER_MGMT_DISASSOC) ? 1 : 0);
962 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG1,
963 			FP, MGMT, 1011,
964 			(htt_tlv_filter->fp_mgmt_filter &
965 			FILTER_MGMT_AUTH) ? 1 : 0);
966 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG1,
967 			FP, MGMT, 1100,
968 			(htt_tlv_filter->fp_mgmt_filter &
969 			FILTER_MGMT_DEAUTH) ? 1 : 0);
970 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG1,
971 			FP, MGMT, 1101,
972 			(htt_tlv_filter->fp_mgmt_filter &
973 			FILTER_MGMT_ACTION) ? 1 : 0);
974 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG1,
975 			FP, MGMT, 1110,
976 			(htt_tlv_filter->fp_mgmt_filter &
977 			FILTER_MGMT_ACT_NO_ACK) ? 1 : 0);
978 		/* reserved*/
979 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG1, FP,
980 			MGMT, 1111,
981 			(htt_tlv_filter->fp_mgmt_filter &
982 			FILTER_MGMT_RESERVED_15) ? 1 : 0);
983 	}
984 
985 	if (htt_tlv_filter->enable_md) {
986 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG1, MD,
987 				MGMT, 1010, 1);
988 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG1, MD,
989 				MGMT, 1011, 1);
990 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG1, MD,
991 				MGMT, 1100, 1);
992 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG1, MD,
993 				MGMT, 1101, 1);
994 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG1, MD,
995 				MGMT, 1110, 1);
996 	}
997 
998 	if (htt_tlv_filter->enable_mo) {
999 		/* TYPE: MGMT */
1000 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG1,
1001 			MO, MGMT, 1010,
1002 			(htt_tlv_filter->mo_mgmt_filter &
1003 			FILTER_MGMT_DISASSOC) ? 1 : 0);
1004 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG1,
1005 			MO, MGMT, 1011,
1006 			(htt_tlv_filter->mo_mgmt_filter &
1007 			FILTER_MGMT_AUTH) ? 1 : 0);
1008 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG1,
1009 			MO, MGMT, 1100,
1010 			(htt_tlv_filter->mo_mgmt_filter &
1011 			FILTER_MGMT_DEAUTH) ? 1 : 0);
1012 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG1,
1013 			MO, MGMT, 1101,
1014 			(htt_tlv_filter->mo_mgmt_filter &
1015 			FILTER_MGMT_ACTION) ? 1 : 0);
1016 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG1,
1017 			MO, MGMT, 1110,
1018 			(htt_tlv_filter->mo_mgmt_filter &
1019 			FILTER_MGMT_ACT_NO_ACK) ? 1 : 0);
1020 		/* reserved*/
1021 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG1, MO,
1022 			MGMT, 1111,
1023 			(htt_tlv_filter->mo_mgmt_filter &
1024 			FILTER_MGMT_RESERVED_15) ? 1 : 0);
1025 	}
1026 
1027 	/* word 4 */
1028 	msg_word++;
1029 	*msg_word = 0;
1030 
1031 	if (htt_tlv_filter->enable_fp) {
1032 		/* TYPE: CTRL */
1033 		/* reserved */
1034 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG2, FP,
1035 			CTRL, 0000,
1036 			(htt_tlv_filter->fp_ctrl_filter &
1037 			FILTER_CTRL_RESERVED_1) ? 1 : 0);
1038 		/* reserved */
1039 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG2, FP,
1040 			CTRL, 0001,
1041 			(htt_tlv_filter->fp_ctrl_filter &
1042 			FILTER_CTRL_RESERVED_2) ? 1 : 0);
1043 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG2, FP,
1044 			CTRL, 0010,
1045 			(htt_tlv_filter->fp_ctrl_filter &
1046 			FILTER_CTRL_TRIGGER) ? 1 : 0);
1047 		/* reserved */
1048 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG2, FP,
1049 			CTRL, 0011,
1050 			(htt_tlv_filter->fp_ctrl_filter &
1051 			FILTER_CTRL_RESERVED_4) ? 1 : 0);
1052 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG2, FP,
1053 			CTRL, 0100,
1054 			(htt_tlv_filter->fp_ctrl_filter &
1055 			FILTER_CTRL_BF_REP_POLL) ? 1 : 0);
1056 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG2, FP,
1057 			CTRL, 0101,
1058 			(htt_tlv_filter->fp_ctrl_filter &
1059 			FILTER_CTRL_VHT_NDP) ? 1 : 0);
1060 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG2, FP,
1061 			CTRL, 0110,
1062 			(htt_tlv_filter->fp_ctrl_filter &
1063 			FILTER_CTRL_FRAME_EXT) ? 1 : 0);
1064 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG2, FP,
1065 			CTRL, 0111,
1066 			(htt_tlv_filter->fp_ctrl_filter &
1067 			FILTER_CTRL_CTRLWRAP) ? 1 : 0);
1068 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG2, FP,
1069 			CTRL, 1000,
1070 			(htt_tlv_filter->fp_ctrl_filter &
1071 			FILTER_CTRL_BA_REQ) ? 1 : 0);
1072 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG2, FP,
1073 			CTRL, 1001,
1074 			(htt_tlv_filter->fp_ctrl_filter &
1075 			FILTER_CTRL_BA) ? 1 : 0);
1076 	}
1077 
1078 	if (htt_tlv_filter->enable_md) {
1079 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG2, MO,
1080 				CTRL, 0000, 1);
1081 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG2, MO,
1082 				CTRL, 0001, 1);
1083 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG2, MO,
1084 				CTRL, 0010, 1);
1085 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG2, MO,
1086 				CTRL, 0011, 1);
1087 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG2, MO,
1088 				CTRL, 0100, 1);
1089 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG2, MO,
1090 				CTRL, 0101, 1);
1091 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG2, MO,
1092 				CTRL, 0110, 1);
1093 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG2, MD,
1094 				CTRL, 0111, 1);
1095 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG2, MD,
1096 				CTRL, 1000, 1);
1097 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG2, MD,
1098 				CTRL, 1001, 1);
1099 	}
1100 
1101 	if (htt_tlv_filter->enable_mo) {
1102 		/* TYPE: CTRL */
1103 		/* reserved */
1104 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG2, MO,
1105 			CTRL, 0000,
1106 			(htt_tlv_filter->mo_ctrl_filter &
1107 			FILTER_CTRL_RESERVED_1) ? 1 : 0);
1108 		/* reserved */
1109 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG2, MO,
1110 			CTRL, 0001,
1111 			(htt_tlv_filter->mo_ctrl_filter &
1112 			FILTER_CTRL_RESERVED_2) ? 1 : 0);
1113 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG2, MO,
1114 			CTRL, 0010,
1115 			(htt_tlv_filter->mo_ctrl_filter &
1116 			FILTER_CTRL_TRIGGER) ? 1 : 0);
1117 		/* reserved */
1118 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG2, MO,
1119 			CTRL, 0011,
1120 			(htt_tlv_filter->mo_ctrl_filter &
1121 			FILTER_CTRL_RESERVED_4) ? 1 : 0);
1122 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG2, MO,
1123 			CTRL, 0100,
1124 			(htt_tlv_filter->mo_ctrl_filter &
1125 			FILTER_CTRL_BF_REP_POLL) ? 1 : 0);
1126 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG2, MO,
1127 			CTRL, 0101,
1128 			(htt_tlv_filter->mo_ctrl_filter &
1129 			FILTER_CTRL_VHT_NDP) ? 1 : 0);
1130 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG2, MO,
1131 			CTRL, 0110,
1132 			(htt_tlv_filter->mo_ctrl_filter &
1133 			FILTER_CTRL_FRAME_EXT) ? 1 : 0);
1134 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG2, MO,
1135 			CTRL, 0111,
1136 			(htt_tlv_filter->mo_ctrl_filter &
1137 			FILTER_CTRL_CTRLWRAP) ? 1 : 0);
1138 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG2, MO,
1139 			CTRL, 1000,
1140 			(htt_tlv_filter->mo_ctrl_filter &
1141 			FILTER_CTRL_BA_REQ) ? 1 : 0);
1142 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG2, MO,
1143 			CTRL, 1001,
1144 			(htt_tlv_filter->mo_ctrl_filter &
1145 			FILTER_CTRL_BA) ? 1 : 0);
1146 	}
1147 
1148 	/* word 5 */
1149 	msg_word++;
1150 	*msg_word = 0;
1151 	if (htt_tlv_filter->enable_fp) {
1152 		/* TYPE: CTRL */
1153 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG3, FP,
1154 			CTRL, 1010,
1155 			(htt_tlv_filter->fp_ctrl_filter &
1156 			FILTER_CTRL_PSPOLL) ? 1 : 0);
1157 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG3, FP,
1158 			CTRL, 1011,
1159 			(htt_tlv_filter->fp_ctrl_filter &
1160 			FILTER_CTRL_RTS) ? 1 : 0);
1161 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG3, FP,
1162 			CTRL, 1100,
1163 			(htt_tlv_filter->fp_ctrl_filter &
1164 			FILTER_CTRL_CTS) ? 1 : 0);
1165 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG3, FP,
1166 			CTRL, 1101,
1167 			(htt_tlv_filter->fp_ctrl_filter &
1168 			FILTER_CTRL_ACK) ? 1 : 0);
1169 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG3, FP,
1170 			CTRL, 1110,
1171 			(htt_tlv_filter->fp_ctrl_filter &
1172 			FILTER_CTRL_CFEND) ? 1 : 0);
1173 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG3, FP,
1174 			CTRL, 1111,
1175 			(htt_tlv_filter->fp_ctrl_filter &
1176 			FILTER_CTRL_CFEND_CFACK) ? 1 : 0);
1177 		/* TYPE: DATA */
1178 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG3, FP,
1179 			DATA, MCAST,
1180 			(htt_tlv_filter->fp_data_filter &
1181 			FILTER_DATA_MCAST) ? 1 : 0);
1182 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG3, FP,
1183 			DATA, UCAST,
1184 			(htt_tlv_filter->fp_data_filter &
1185 			FILTER_DATA_UCAST) ? 1 : 0);
1186 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG3, FP,
1187 			DATA, NULL,
1188 			(htt_tlv_filter->fp_data_filter &
1189 			FILTER_DATA_NULL) ? 1 : 0);
1190 	}
1191 
1192 	if (htt_tlv_filter->enable_md) {
1193 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG3, MD,
1194 				CTRL, 1010, 1);
1195 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG3, MD,
1196 				CTRL, 1011, 1);
1197 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG3, MD,
1198 				CTRL, 1100, 1);
1199 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG3, MD,
1200 				CTRL, 1101, 1);
1201 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG3, MD,
1202 				CTRL, 1110, 1);
1203 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG3, MD,
1204 				CTRL, 1111, 1);
1205 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG3, MD,
1206 				DATA, MCAST, 1);
1207 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG3, MD,
1208 				DATA, UCAST, 1);
1209 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG3, MD,
1210 				DATA, NULL, 1);
1211 	}
1212 
1213 	if (htt_tlv_filter->enable_mo) {
1214 		/* TYPE: CTRL */
1215 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG3, MO,
1216 			CTRL, 1010,
1217 			(htt_tlv_filter->mo_ctrl_filter &
1218 			FILTER_CTRL_PSPOLL) ? 1 : 0);
1219 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG3, MO,
1220 			CTRL, 1011,
1221 			(htt_tlv_filter->mo_ctrl_filter &
1222 			FILTER_CTRL_RTS) ? 1 : 0);
1223 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG3, MO,
1224 			CTRL, 1100,
1225 			(htt_tlv_filter->mo_ctrl_filter &
1226 			FILTER_CTRL_CTS) ? 1 : 0);
1227 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG3, MO,
1228 			CTRL, 1101,
1229 			(htt_tlv_filter->mo_ctrl_filter &
1230 			FILTER_CTRL_ACK) ? 1 : 0);
1231 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG3, MO,
1232 			CTRL, 1110,
1233 			(htt_tlv_filter->mo_ctrl_filter &
1234 			FILTER_CTRL_CFEND) ? 1 : 0);
1235 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG3, MO,
1236 			CTRL, 1111,
1237 			(htt_tlv_filter->mo_ctrl_filter &
1238 			FILTER_CTRL_CFEND_CFACK) ? 1 : 0);
1239 		/* TYPE: DATA */
1240 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG3, MO,
1241 			DATA, MCAST,
1242 			(htt_tlv_filter->mo_data_filter &
1243 			FILTER_DATA_MCAST) ? 1 : 0);
1244 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG3, MO,
1245 			DATA, UCAST,
1246 			(htt_tlv_filter->mo_data_filter &
1247 			FILTER_DATA_UCAST) ? 1 : 0);
1248 		htt_rx_ring_pkt_enable_subtype_set(*msg_word, FLAG3, MO,
1249 			DATA, NULL,
1250 			(htt_tlv_filter->mo_data_filter &
1251 			FILTER_DATA_NULL) ? 1 : 0);
1252 	}
1253 
1254 	/* word 6 */
1255 	msg_word++;
1256 	*msg_word = 0;
1257 	tlv_filter = 0;
1258 	htt_rx_ring_tlv_filter_in_enable_set(tlv_filter, MPDU_START,
1259 		htt_tlv_filter->mpdu_start);
1260 	htt_rx_ring_tlv_filter_in_enable_set(tlv_filter, MSDU_START,
1261 		htt_tlv_filter->msdu_start);
1262 	htt_rx_ring_tlv_filter_in_enable_set(tlv_filter, PACKET,
1263 		htt_tlv_filter->packet);
1264 	htt_rx_ring_tlv_filter_in_enable_set(tlv_filter, MSDU_END,
1265 		htt_tlv_filter->msdu_end);
1266 	htt_rx_ring_tlv_filter_in_enable_set(tlv_filter, MPDU_END,
1267 		htt_tlv_filter->mpdu_end);
1268 	htt_rx_ring_tlv_filter_in_enable_set(tlv_filter, PACKET_HEADER,
1269 		htt_tlv_filter->packet_header);
1270 	htt_rx_ring_tlv_filter_in_enable_set(tlv_filter, ATTENTION,
1271 		htt_tlv_filter->attention);
1272 	htt_rx_ring_tlv_filter_in_enable_set(tlv_filter, PPDU_START,
1273 		htt_tlv_filter->ppdu_start);
1274 	htt_rx_ring_tlv_filter_in_enable_set(tlv_filter, PPDU_END,
1275 		htt_tlv_filter->ppdu_end);
1276 	htt_rx_ring_tlv_filter_in_enable_set(tlv_filter, PPDU_END_USER_STATS,
1277 		htt_tlv_filter->ppdu_end_user_stats);
1278 	htt_rx_ring_tlv_filter_in_enable_set(tlv_filter,
1279 		PPDU_END_USER_STATS_EXT,
1280 		htt_tlv_filter->ppdu_end_user_stats_ext);
1281 	htt_rx_ring_tlv_filter_in_enable_set(tlv_filter, PPDU_END_STATUS_DONE,
1282 		htt_tlv_filter->ppdu_end_status_done);
1283 	/* RESERVED bit maps to header_per_msdu in htt_tlv_filter*/
1284 	 htt_rx_ring_tlv_filter_in_enable_set(tlv_filter, RESERVED,
1285 		 htt_tlv_filter->header_per_msdu);
1286 
1287 	HTT_RX_RING_SELECTION_CFG_TLV_FILTER_IN_FLAG_SET(*msg_word, tlv_filter);
1288 
1289 	/* "response_required" field should be set if a HTT response message is
1290 	 * required after setting up the ring.
1291 	 */
1292 	pkt = htt_htc_pkt_alloc(soc);
1293 	if (!pkt)
1294 		goto fail1;
1295 
1296 	pkt->soc_ctxt = NULL; /* not used during send-done callback */
1297 
1298 	SET_HTC_PACKET_INFO_TX(
1299 		&pkt->htc_pkt,
1300 		dp_htt_h2t_send_complete_free_netbuf,
1301 		qdf_nbuf_data(htt_msg),
1302 		qdf_nbuf_len(htt_msg),
1303 		soc->htc_endpoint,
1304 		1); /* tag - not relevant here */
1305 
1306 	SET_HTC_PACKET_NET_BUF_CONTEXT(&pkt->htc_pkt, htt_msg);
1307 	DP_HTT_SEND_HTC_PKT(soc, pkt);
1308 	return QDF_STATUS_SUCCESS;
1309 
1310 fail1:
1311 	qdf_nbuf_free(htt_msg);
1312 fail0:
1313 	return QDF_STATUS_E_FAILURE;
1314 }
1315 
1316 #if defined(CONFIG_WIN) && WDI_EVENT_ENABLE
1317 static inline QDF_STATUS dp_send_htt_stat_resp(struct htt_stats_context *htt_stats,
1318 					struct dp_soc *soc, qdf_nbuf_t htt_msg)
1319 
1320 {
1321 	uint32_t pdev_id;
1322 	uint32_t *msg_word = NULL;
1323 	uint32_t msg_remain_len = 0;
1324 
1325 	msg_word = (uint32_t *) qdf_nbuf_data(htt_msg);
1326 
1327 	/*COOKIE MSB*/
1328 	pdev_id = *(msg_word + 2) & HTT_PID_BIT_MASK;
1329 
1330 	/* stats message length + 16 size of HTT header*/
1331 	msg_remain_len = qdf_min(htt_stats->msg_len + 16,
1332 				(uint32_t)DP_EXT_MSG_LENGTH);
1333 
1334 	dp_wdi_event_handler(WDI_EVENT_HTT_STATS, soc,
1335 			msg_word,  msg_remain_len,
1336 			WDI_NO_VAL, pdev_id);
1337 
1338 	if (htt_stats->msg_len >= DP_EXT_MSG_LENGTH) {
1339 		htt_stats->msg_len -= DP_EXT_MSG_LENGTH;
1340 	}
1341 	/* Need to be freed here as WDI handler will
1342 	 * make a copy of pkt to send data to application
1343 	 */
1344 	qdf_nbuf_free(htt_msg);
1345 	return QDF_STATUS_SUCCESS;
1346 }
1347 #else
1348 static inline QDF_STATUS dp_send_htt_stat_resp(struct htt_stats_context *htt_stats,
1349 					struct dp_soc *soc, qdf_nbuf_t htt_msg)
1350 {
1351 	return QDF_STATUS_E_NOSUPPORT;
1352 }
1353 #endif
1354 
1355 /**
1356  * dp_process_htt_stat_msg(): Process the list of buffers of HTT EXT stats
1357  * @htt_stats: htt stats info
1358  *
1359  * The FW sends the HTT EXT STATS as a stream of T2H messages. Each T2H message
1360  * contains sub messages which are identified by a TLV header.
1361  * In this function we will process the stream of T2H messages and read all the
1362  * TLV contained in the message.
1363  *
1364  * THe following cases have been taken care of
1365  * Case 1: When the tlv_remain_length <= msg_remain_length of HTT MSG buffer
1366  *		In this case the buffer will contain multiple tlvs.
1367  * Case 2: When the tlv_remain_length > msg_remain_length of HTT MSG buffer.
1368  *		Only one tlv will be contained in the HTT message and this tag
1369  *		will extend onto the next buffer.
1370  * Case 3: When the buffer is the continuation of the previous message
1371  * Case 4: tlv length is 0. which will indicate the end of message
1372  *
1373  * return: void
1374  */
1375 static inline void dp_process_htt_stat_msg(struct htt_stats_context *htt_stats,
1376 					struct dp_soc *soc)
1377 {
1378 	htt_tlv_tag_t tlv_type = 0xff;
1379 	qdf_nbuf_t htt_msg = NULL;
1380 	uint32_t *msg_word;
1381 	uint8_t *tlv_buf_head = NULL;
1382 	uint8_t *tlv_buf_tail = NULL;
1383 	uint32_t msg_remain_len = 0;
1384 	uint32_t tlv_remain_len = 0;
1385 	uint32_t *tlv_start;
1386 	int cookie_val;
1387 	int cookie_msb;
1388 	int pdev_id;
1389 	bool copy_stats = false;
1390 	struct dp_pdev *pdev;
1391 
1392 	/* Process node in the HTT message queue */
1393 	while ((htt_msg = qdf_nbuf_queue_remove(&htt_stats->msg))
1394 		!= NULL) {
1395 		msg_word = (uint32_t *) qdf_nbuf_data(htt_msg);
1396 		cookie_val = *(msg_word + 1);
1397 		if (cookie_val) {
1398 			if (dp_send_htt_stat_resp(htt_stats, soc, htt_msg)
1399 					== QDF_STATUS_SUCCESS) {
1400 				continue;
1401 			}
1402 		}
1403 		cookie_msb = *(msg_word + 2);
1404 		pdev_id = *(msg_word + 2) & HTT_PID_BIT_MASK;
1405 		pdev = soc->pdev_list[pdev_id];
1406 
1407 		if (cookie_msb >> 2) {
1408 			copy_stats = true;
1409 		}
1410 		/* read 5th word */
1411 		msg_word = msg_word + 4;
1412 		msg_remain_len = qdf_min(htt_stats->msg_len,
1413 				(uint32_t) DP_EXT_MSG_LENGTH);
1414 		/* Keep processing the node till node length is 0 */
1415 		while (msg_remain_len) {
1416 			/*
1417 			 * if message is not a continuation of previous message
1418 			 * read the tlv type and tlv length
1419 			 */
1420 			if (!tlv_buf_head) {
1421 				tlv_type = HTT_STATS_TLV_TAG_GET(
1422 						*msg_word);
1423 				tlv_remain_len = HTT_STATS_TLV_LENGTH_GET(
1424 						*msg_word);
1425 			}
1426 
1427 			if (tlv_remain_len == 0) {
1428 				msg_remain_len = 0;
1429 
1430 				if (tlv_buf_head) {
1431 					qdf_mem_free(tlv_buf_head);
1432 					tlv_buf_head = NULL;
1433 					tlv_buf_tail = NULL;
1434 				}
1435 
1436 				goto error;
1437 			}
1438 
1439 			if (!tlv_buf_head)
1440 				tlv_remain_len += HTT_TLV_HDR_LEN;
1441 
1442 			if ((tlv_remain_len <= msg_remain_len)) {
1443 				/* Case 3 */
1444 				if (tlv_buf_head) {
1445 					qdf_mem_copy(tlv_buf_tail,
1446 							(uint8_t *)msg_word,
1447 							tlv_remain_len);
1448 					tlv_start = (uint32_t *)tlv_buf_head;
1449 				} else {
1450 					/* Case 1 */
1451 					tlv_start = msg_word;
1452 				}
1453 
1454 				if (copy_stats)
1455 					dp_htt_stats_copy_tag(pdev, tlv_type, tlv_start);
1456 				else
1457 					dp_htt_stats_print_tag(tlv_type, tlv_start);
1458 
1459 				msg_remain_len -= tlv_remain_len;
1460 
1461 				msg_word = (uint32_t *)
1462 					(((uint8_t *)msg_word) +
1463 					tlv_remain_len);
1464 
1465 				tlv_remain_len = 0;
1466 
1467 				if (tlv_buf_head) {
1468 					qdf_mem_free(tlv_buf_head);
1469 					tlv_buf_head = NULL;
1470 					tlv_buf_tail = NULL;
1471 				}
1472 
1473 			} else { /* tlv_remain_len > msg_remain_len */
1474 				/* Case 2 & 3 */
1475 				if (!tlv_buf_head) {
1476 					tlv_buf_head = qdf_mem_malloc(
1477 							tlv_remain_len);
1478 
1479 					if (!tlv_buf_head) {
1480 						QDF_TRACE(QDF_MODULE_ID_TXRX,
1481 								QDF_TRACE_LEVEL_ERROR,
1482 								"Alloc failed");
1483 						goto error;
1484 					}
1485 
1486 					tlv_buf_tail = tlv_buf_head;
1487 				}
1488 
1489 				qdf_mem_copy(tlv_buf_tail, (uint8_t *)msg_word,
1490 						msg_remain_len);
1491 				tlv_remain_len -= msg_remain_len;
1492 				tlv_buf_tail += msg_remain_len;
1493 			}
1494 		}
1495 
1496 		if (htt_stats->msg_len >= DP_EXT_MSG_LENGTH) {
1497 			htt_stats->msg_len -= DP_EXT_MSG_LENGTH;
1498 		}
1499 
1500 		qdf_nbuf_free(htt_msg);
1501 	}
1502 	return;
1503 
1504 error:
1505 	qdf_nbuf_free(htt_msg);
1506 	while ((htt_msg = qdf_nbuf_queue_remove(&htt_stats->msg))
1507 			!= NULL)
1508 		qdf_nbuf_free(htt_msg);
1509 }
1510 
1511 void htt_t2h_stats_handler(void *context)
1512 {
1513 	struct dp_soc *soc = (struct dp_soc *)context;
1514 	struct htt_stats_context htt_stats;
1515 	uint32_t length;
1516 	uint32_t *msg_word;
1517 	qdf_nbuf_t htt_msg = NULL;
1518 	uint8_t done;
1519 	uint8_t rem_stats;
1520 
1521 	if (!soc || !qdf_atomic_read(&soc->cmn_init_done)) {
1522 		QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
1523 			"soc: 0x%pK, init_done: %d", soc,
1524 			qdf_atomic_read(&soc->cmn_init_done));
1525 		return;
1526 	}
1527 
1528 	qdf_mem_zero(&htt_stats, sizeof(htt_stats));
1529 	qdf_nbuf_queue_init(&htt_stats.msg);
1530 
1531 	/* pull one completed stats from soc->htt_stats_msg and process */
1532 	qdf_spin_lock_bh(&soc->htt_stats.lock);
1533 	if (!soc->htt_stats.num_stats) {
1534 		qdf_spin_unlock_bh(&soc->htt_stats.lock);
1535 		return;
1536 	}
1537 	while ((htt_msg = qdf_nbuf_queue_remove(&soc->htt_stats.msg)) != NULL) {
1538 		msg_word = (uint32_t *) qdf_nbuf_data(htt_msg);
1539 		msg_word = msg_word + HTT_T2H_EXT_STATS_TLV_START_OFFSET;
1540 		length = HTT_T2H_EXT_STATS_CONF_TLV_LENGTH_GET(*msg_word);
1541 		done = HTT_T2H_EXT_STATS_CONF_TLV_DONE_GET(*msg_word);
1542 		qdf_nbuf_queue_add(&htt_stats.msg, htt_msg);
1543 		/*
1544 		 * HTT EXT stats response comes as stream of TLVs which span over
1545 		 * multiple T2H messages.
1546 		 * The first message will carry length of the response.
1547 		 * For rest of the messages length will be zero.
1548 		 */
1549 		if (length)
1550 			htt_stats.msg_len = length;
1551 		/*
1552 		 * Done bit signifies that this is the last T2H buffer in the
1553 		 * stream of HTT EXT STATS message
1554 		 */
1555 		if (done)
1556 			break;
1557 	}
1558 	rem_stats = --soc->htt_stats.num_stats;
1559 	qdf_spin_unlock_bh(&soc->htt_stats.lock);
1560 
1561 	dp_process_htt_stat_msg(&htt_stats, soc);
1562 	/* If there are more stats to process, schedule stats work again */
1563 	if (rem_stats)
1564 		qdf_sched_work(0, &soc->htt_stats.work);
1565 }
1566 
1567 /*
1568  * dp_get_ppdu_info_user_index: Find and allocate a per-user descriptor for a PPDU,
1569  * if a new peer id arrives in a PPDU
1570  * pdev: DP pdev handle
1571  * @peer_id : peer unique identifier
1572  * @ppdu_info: per ppdu tlv structure
1573  *
1574  * return:user index to be populated
1575  */
1576 #ifdef FEATURE_PERPKT_INFO
1577 static uint8_t dp_get_ppdu_info_user_index(struct dp_pdev *pdev,
1578 						uint16_t peer_id,
1579 						struct ppdu_info *ppdu_info)
1580 {
1581 	uint8_t user_index = 0;
1582 	struct cdp_tx_completion_ppdu *ppdu_desc;
1583 	struct cdp_tx_completion_ppdu_user *ppdu_user_desc;
1584 
1585 	ppdu_desc = (struct cdp_tx_completion_ppdu *)qdf_nbuf_data(ppdu_info->nbuf);
1586 
1587 	while ((user_index + 1) <= ppdu_info->last_user) {
1588 		ppdu_user_desc = &ppdu_desc->user[user_index];
1589 		if (ppdu_user_desc->peer_id != peer_id) {
1590 			user_index++;
1591 			continue;
1592 		} else {
1593 			/* Max users possible is 8 so user array index should
1594 			 * not exceed 7
1595 			 */
1596 			qdf_assert_always(user_index <= CDP_MU_MAX_USER_INDEX);
1597 			return user_index;
1598 		}
1599 	}
1600 
1601 	ppdu_info->last_user++;
1602 	/* Max users possible is 8 so last user should not exceed 8 */
1603 	qdf_assert_always(ppdu_info->last_user <= CDP_MU_MAX_USERS);
1604 	return ppdu_info->last_user - 1;
1605 }
1606 
1607 /*
1608  * dp_process_ppdu_stats_common_tlv: Process htt_ppdu_stats_common_tlv
1609  * pdev: DP pdev handle
1610  * @tag_buf: buffer containing the tlv htt_ppdu_stats_common_tlv
1611  * @ppdu_info: per ppdu tlv structure
1612  *
1613  * return:void
1614  */
1615 static void dp_process_ppdu_stats_common_tlv(struct dp_pdev *pdev,
1616 		uint32_t *tag_buf, struct ppdu_info *ppdu_info)
1617 {
1618 	uint16_t frame_type;
1619 	uint16_t freq;
1620 	struct dp_soc *soc = NULL;
1621 	struct cdp_tx_completion_ppdu *ppdu_desc = NULL;
1622 
1623 	ppdu_desc = (struct cdp_tx_completion_ppdu *)qdf_nbuf_data(ppdu_info->nbuf);
1624 
1625 	tag_buf += 2;
1626 	ppdu_desc->num_users =
1627 		HTT_PPDU_STATS_COMMON_TLV_NUM_USERS_GET(*tag_buf);
1628 	tag_buf++;
1629 	frame_type = HTT_PPDU_STATS_COMMON_TLV_FRM_TYPE_GET(*tag_buf);
1630 
1631 	if ((frame_type == HTT_STATS_FTYPE_TIDQ_DATA_SU) ||
1632 			(frame_type == HTT_STATS_FTYPE_TIDQ_DATA_MU))
1633 		ppdu_desc->frame_type = CDP_PPDU_FTYPE_DATA;
1634 	else
1635 		ppdu_desc->frame_type = CDP_PPDU_FTYPE_CTRL;
1636 
1637 	tag_buf += 2;
1638 	ppdu_desc->tx_duration = *tag_buf;
1639 	tag_buf += 3;
1640 	ppdu_desc->ppdu_start_timestamp = *tag_buf;
1641 
1642 	ppdu_desc->ppdu_end_timestamp = ppdu_desc->ppdu_start_timestamp +
1643 					ppdu_desc->tx_duration;
1644 
1645 	tag_buf++;
1646 
1647 	freq = HTT_PPDU_STATS_COMMON_TLV_CHAN_MHZ_GET(*tag_buf);
1648 	if (freq != ppdu_desc->channel) {
1649 		soc = pdev->soc;
1650 		ppdu_desc->channel = freq;
1651 		if (soc && soc->cdp_soc.ol_ops->freq_to_channel)
1652 			pdev->operating_channel =
1653 		soc->cdp_soc.ol_ops->freq_to_channel(pdev->osif_pdev, freq);
1654 	}
1655 
1656 	ppdu_desc->phy_mode = HTT_PPDU_STATS_COMMON_TLV_PHY_MODE_GET(*tag_buf);
1657 }
1658 
1659 /*
1660  * dp_process_ppdu_stats_user_common_tlv: Process ppdu_stats_user_common
1661  * @tag_buf: buffer containing the tlv htt_ppdu_stats_user_common_tlv
1662  * @ppdu_info: per ppdu tlv structure
1663  *
1664  * return:void
1665  */
1666 static void dp_process_ppdu_stats_user_common_tlv(
1667 		struct dp_pdev *pdev, uint32_t *tag_buf,
1668 		struct ppdu_info *ppdu_info)
1669 {
1670 	uint16_t peer_id;
1671 	struct dp_peer *peer;
1672 	struct cdp_tx_completion_ppdu *ppdu_desc;
1673 	struct cdp_tx_completion_ppdu_user *ppdu_user_desc;
1674 	uint8_t curr_user_index = 0;
1675 
1676 	ppdu_desc = (struct cdp_tx_completion_ppdu *)qdf_nbuf_data(ppdu_info->nbuf);
1677 
1678 	tag_buf++;
1679 	peer_id = HTT_PPDU_STATS_USER_COMMON_TLV_SW_PEER_ID_GET(*tag_buf);
1680 	peer = dp_peer_find_by_id(pdev->soc, peer_id);
1681 
1682 	if (!peer)
1683 		return;
1684 
1685 	curr_user_index = dp_get_ppdu_info_user_index(pdev, peer_id, ppdu_info);
1686 	ppdu_user_desc = &ppdu_desc->user[curr_user_index];
1687 
1688 	ppdu_user_desc->peer_id = peer_id;
1689 
1690 	tag_buf++;
1691 
1692 	if (HTT_PPDU_STATS_USER_COMMON_TLV_MCAST_GET(*tag_buf)) {
1693 		ppdu_user_desc->is_mcast = true;
1694 		ppdu_user_desc->mpdu_tried_mcast =
1695 		HTT_PPDU_STATS_USER_COMMON_TLV_MPDUS_TRIED_GET(*tag_buf);
1696 	} else {
1697 		ppdu_user_desc->mpdu_tried_ucast =
1698 		HTT_PPDU_STATS_USER_COMMON_TLV_MPDUS_TRIED_GET(*tag_buf);
1699 	}
1700 
1701 	tag_buf++;
1702 
1703 	ppdu_user_desc->qos_ctrl =
1704 		HTT_PPDU_STATS_USER_COMMON_TLV_QOS_CTRL_GET(*tag_buf);
1705 	ppdu_user_desc->frame_ctrl =
1706 		HTT_PPDU_STATS_USER_COMMON_TLV_FRAME_CTRL_GET(*tag_buf);
1707 	ppdu_desc->frame_ctrl = ppdu_user_desc->frame_ctrl;
1708 }
1709 
1710 
1711 /**
1712  * dp_process_ppdu_stats_user_rate_tlv() - Process htt_ppdu_stats_user_rate_tlv
1713  * @pdev: DP pdev handle
1714  * @tag_buf: T2H message buffer carrying the user rate TLV
1715  * @ppdu_info: per ppdu tlv structure
1716  *
1717  * return:void
1718  */
1719 static void dp_process_ppdu_stats_user_rate_tlv(struct dp_pdev *pdev,
1720 		uint32_t *tag_buf,
1721 		struct ppdu_info *ppdu_info)
1722 {
1723 	uint16_t peer_id;
1724 	struct dp_peer *peer;
1725 	struct cdp_tx_completion_ppdu *ppdu_desc;
1726 	struct cdp_tx_completion_ppdu_user *ppdu_user_desc;
1727 	uint8_t curr_user_index = 0;
1728 
1729 	ppdu_desc = (struct cdp_tx_completion_ppdu *)qdf_nbuf_data(ppdu_info->nbuf);
1730 
1731 	tag_buf++;
1732 	peer_id = HTT_PPDU_STATS_USER_RATE_TLV_SW_PEER_ID_GET(*tag_buf);
1733 	peer = dp_peer_find_by_id(pdev->soc, peer_id);
1734 
1735 	if (!peer)
1736 		return;
1737 
1738 	curr_user_index = dp_get_ppdu_info_user_index(pdev, peer_id, ppdu_info);
1739 
1740 	ppdu_user_desc = &ppdu_desc->user[curr_user_index];
1741 	ppdu_user_desc->peer_id = peer_id;
1742 
1743 	ppdu_user_desc->tid =
1744 		HTT_PPDU_STATS_USER_RATE_TLV_TID_NUM_GET(*tag_buf);
1745 
1746 	qdf_mem_copy(ppdu_user_desc->mac_addr, peer->mac_addr.raw,
1747 			DP_MAC_ADDR_LEN);
1748 
1749 	tag_buf += 2;
1750 
1751 	ppdu_user_desc->ru_tones = (HTT_PPDU_STATS_USER_RATE_TLV_RU_END_GET(*tag_buf) -
1752 			HTT_PPDU_STATS_USER_RATE_TLV_RU_START_GET(*tag_buf)) + 1;
1753 
1754 	tag_buf += 2;
1755 
1756 	ppdu_user_desc->ppdu_type =
1757 		HTT_PPDU_STATS_USER_RATE_TLV_PPDU_TYPE_GET(*tag_buf);
1758 
1759 	tag_buf++;
1760 	ppdu_user_desc->tx_rate = *tag_buf;
1761 
1762 	ppdu_user_desc->ltf_size =
1763 		HTT_PPDU_STATS_USER_RATE_TLV_LTF_SIZE_GET(*tag_buf);
1764 	ppdu_user_desc->stbc =
1765 		HTT_PPDU_STATS_USER_RATE_TLV_STBC_GET(*tag_buf);
1766 	ppdu_user_desc->he_re =
1767 		HTT_PPDU_STATS_USER_RATE_TLV_HE_RE_GET(*tag_buf);
1768 	ppdu_user_desc->txbf =
1769 		HTT_PPDU_STATS_USER_RATE_TLV_TXBF_GET(*tag_buf);
1770 	ppdu_user_desc->bw =
1771 		HTT_PPDU_STATS_USER_RATE_TLV_BW_GET(*tag_buf);
1772 	ppdu_user_desc->nss = HTT_PPDU_STATS_USER_RATE_TLV_NSS_GET(*tag_buf);
1773 	ppdu_user_desc->mcs = HTT_PPDU_STATS_USER_RATE_TLV_MCS_GET(*tag_buf);
1774 	ppdu_user_desc->preamble =
1775 		HTT_PPDU_STATS_USER_RATE_TLV_PREAMBLE_GET(*tag_buf);
1776 	ppdu_user_desc->gi = HTT_PPDU_STATS_USER_RATE_TLV_GI_GET(*tag_buf);
1777 	ppdu_user_desc->dcm = HTT_PPDU_STATS_USER_RATE_TLV_DCM_GET(*tag_buf);
1778 	ppdu_user_desc->ldpc = HTT_PPDU_STATS_USER_RATE_TLV_LDPC_GET(*tag_buf);
1779 }
1780 
1781 /*
1782  * dp_process_ppdu_stats_enq_mpdu_bitmap_64_tlv: Process
1783  * htt_ppdu_stats_enq_mpdu_bitmap_64_tlv
1784  * pdev: DP PDEV handle
1785  * @tag_buf: buffer containing the tlv htt_ppdu_stats_enq_mpdu_bitmap_64_tlv
1786  * @ppdu_info: per ppdu tlv structure
1787  *
1788  * return:void
1789  */
1790 static void dp_process_ppdu_stats_enq_mpdu_bitmap_64_tlv(
1791 		struct dp_pdev *pdev, uint32_t *tag_buf,
1792 		struct ppdu_info *ppdu_info)
1793 {
1794 	htt_ppdu_stats_enq_mpdu_bitmap_64_tlv *dp_stats_buf =
1795 		(htt_ppdu_stats_enq_mpdu_bitmap_64_tlv *)tag_buf;
1796 
1797 	struct cdp_tx_completion_ppdu *ppdu_desc;
1798 	struct cdp_tx_completion_ppdu_user *ppdu_user_desc;
1799 	uint8_t curr_user_index = 0;
1800 	uint16_t peer_id;
1801 	struct dp_peer *peer;
1802 
1803 	ppdu_desc = (struct cdp_tx_completion_ppdu *)qdf_nbuf_data(ppdu_info->nbuf);
1804 
1805 	tag_buf++;
1806 
1807 	peer_id =
1808 	HTT_PPDU_STATS_ENQ_MPDU_BITMAP_TLV_SW_PEER_ID_GET(*tag_buf);
1809 
1810 	peer = dp_peer_find_by_id(pdev->soc, peer_id);
1811 
1812 	if (!peer)
1813 		return;
1814 
1815 	curr_user_index = dp_get_ppdu_info_user_index(pdev, peer_id, ppdu_info);
1816 
1817 	ppdu_user_desc = &ppdu_desc->user[curr_user_index];
1818 	ppdu_user_desc->peer_id = peer_id;
1819 
1820 	ppdu_user_desc->start_seq = dp_stats_buf->start_seq;
1821 	qdf_mem_copy(&ppdu_user_desc->enq_bitmap, &dp_stats_buf->enq_bitmap,
1822 					CDP_BA_64_BIT_MAP_SIZE_DWORDS);
1823 }
1824 
1825 /*
1826  * dp_process_ppdu_stats_enq_mpdu_bitmap_256_tlv: Process
1827  * htt_ppdu_stats_enq_mpdu_bitmap_256_tlv
1828  * soc: DP SOC handle
1829  * @tag_buf: buffer containing the tlv htt_ppdu_stats_enq_mpdu_bitmap_256_tlv
1830  * @ppdu_info: per ppdu tlv structure
1831  *
1832  * return:void
1833  */
1834 static void dp_process_ppdu_stats_enq_mpdu_bitmap_256_tlv(
1835 		struct dp_pdev *pdev, uint32_t *tag_buf,
1836 		struct ppdu_info *ppdu_info)
1837 {
1838 	htt_ppdu_stats_enq_mpdu_bitmap_256_tlv *dp_stats_buf =
1839 		(htt_ppdu_stats_enq_mpdu_bitmap_256_tlv *)tag_buf;
1840 
1841 	struct cdp_tx_completion_ppdu *ppdu_desc;
1842 	struct cdp_tx_completion_ppdu_user *ppdu_user_desc;
1843 	uint8_t curr_user_index = 0;
1844 	uint16_t peer_id;
1845 	struct dp_peer *peer;
1846 
1847 	ppdu_desc = (struct cdp_tx_completion_ppdu *)qdf_nbuf_data(ppdu_info->nbuf);
1848 
1849 	tag_buf++;
1850 
1851 	peer_id =
1852 	HTT_PPDU_STATS_ENQ_MPDU_BITMAP_TLV_SW_PEER_ID_GET(*tag_buf);
1853 
1854 	peer = dp_peer_find_by_id(pdev->soc, peer_id);
1855 
1856 	if (!peer)
1857 		return;
1858 
1859 	curr_user_index = dp_get_ppdu_info_user_index(pdev, peer_id, ppdu_info);
1860 
1861 	ppdu_user_desc = &ppdu_desc->user[curr_user_index];
1862 	ppdu_user_desc->peer_id = peer_id;
1863 
1864 	ppdu_user_desc->start_seq = dp_stats_buf->start_seq;
1865 	qdf_mem_copy(&ppdu_user_desc->enq_bitmap, &dp_stats_buf->enq_bitmap,
1866 					CDP_BA_256_BIT_MAP_SIZE_DWORDS);
1867 }
1868 
1869 /*
1870  * dp_process_ppdu_stats_user_cmpltn_common_tlv: Process
1871  * htt_ppdu_stats_user_cmpltn_common_tlv
1872  * soc: DP SOC handle
1873  * @tag_buf: buffer containing the tlv htt_ppdu_stats_user_cmpltn_common_tlv
1874  * @ppdu_info: per ppdu tlv structure
1875  *
1876  * return:void
1877  */
1878 static void dp_process_ppdu_stats_user_cmpltn_common_tlv(
1879 		struct dp_pdev *pdev, uint32_t *tag_buf,
1880 		struct ppdu_info *ppdu_info)
1881 {
1882 	uint16_t peer_id;
1883 	struct dp_peer *peer;
1884 	struct cdp_tx_completion_ppdu *ppdu_desc;
1885 	struct cdp_tx_completion_ppdu_user *ppdu_user_desc;
1886 	uint8_t curr_user_index = 0;
1887 	htt_ppdu_stats_user_cmpltn_common_tlv *dp_stats_buf =
1888 		(htt_ppdu_stats_user_cmpltn_common_tlv *)tag_buf;
1889 
1890 	ppdu_desc = (struct cdp_tx_completion_ppdu *)qdf_nbuf_data(ppdu_info->nbuf);
1891 
1892 	tag_buf++;
1893 	peer_id =
1894 		HTT_PPDU_STATS_USER_CMPLTN_COMMON_TLV_SW_PEER_ID_GET(*tag_buf);
1895 	peer = dp_peer_find_by_id(pdev->soc, peer_id);
1896 
1897 	if (!peer)
1898 		return;
1899 
1900 	curr_user_index = dp_get_ppdu_info_user_index(pdev, peer_id, ppdu_info);
1901 	ppdu_user_desc = &ppdu_desc->user[curr_user_index];
1902 	ppdu_user_desc->peer_id = peer_id;
1903 
1904 	ppdu_user_desc->completion_status =
1905 		HTT_PPDU_STATS_USER_CMPLTN_COMMON_TLV_COMPLETION_STATUS_GET(
1906 				*tag_buf);
1907 
1908 	ppdu_user_desc->tid =
1909 		HTT_PPDU_STATS_USER_CMPLTN_COMMON_TLV_TID_NUM_GET(*tag_buf);
1910 
1911 
1912 	tag_buf++;
1913 	ppdu_desc->ack_rssi = dp_stats_buf->ack_rssi;
1914 
1915 	tag_buf++;
1916 
1917 	ppdu_user_desc->mpdu_success =
1918 	HTT_PPDU_STATS_USER_CMPLTN_COMMON_TLV_MPDU_SUCCESS_GET(*tag_buf);
1919 
1920 	tag_buf++;
1921 
1922 	ppdu_user_desc->long_retries =
1923 		HTT_PPDU_STATS_USER_CMPLTN_COMMON_TLV_LONG_RETRY_GET(*tag_buf);
1924 
1925 	ppdu_user_desc->short_retries =
1926 	HTT_PPDU_STATS_USER_CMPLTN_COMMON_TLV_SHORT_RETRY_GET(*tag_buf);
1927 	ppdu_user_desc->retry_msdus =
1928 		ppdu_user_desc->long_retries + ppdu_user_desc->short_retries;
1929 
1930 	ppdu_user_desc->is_ampdu =
1931 		HTT_PPDU_STATS_USER_CMPLTN_COMMON_TLV_IS_AMPDU_GET(*tag_buf);
1932 	ppdu_info->is_ampdu = ppdu_user_desc->is_ampdu;
1933 
1934 }
1935 
1936 /*
1937  * dp_process_ppdu_stats_user_compltn_ba_bitmap_64_tlv: Process
1938  * htt_ppdu_stats_user_compltn_ba_bitmap_64_tlv
1939  * pdev: DP PDEV handle
1940  * @tag_buf: buffer containing the htt_ppdu_stats_user_compltn_ba_bitmap_64_tlv
1941  * @ppdu_info: per ppdu tlv structure
1942  *
1943  * return:void
1944  */
1945 static void dp_process_ppdu_stats_user_compltn_ba_bitmap_64_tlv(
1946 		struct dp_pdev *pdev, uint32_t *tag_buf,
1947 		struct ppdu_info *ppdu_info)
1948 {
1949 	htt_ppdu_stats_user_compltn_ba_bitmap_64_tlv *dp_stats_buf =
1950 		(htt_ppdu_stats_user_compltn_ba_bitmap_64_tlv *)tag_buf;
1951 	struct cdp_tx_completion_ppdu_user *ppdu_user_desc;
1952 	struct cdp_tx_completion_ppdu *ppdu_desc;
1953 	uint8_t curr_user_index = 0;
1954 	uint16_t peer_id;
1955 	struct dp_peer *peer;
1956 
1957 	ppdu_desc = (struct cdp_tx_completion_ppdu *)qdf_nbuf_data(ppdu_info->nbuf);
1958 
1959 	tag_buf++;
1960 
1961 	peer_id =
1962 	HTT_PPDU_STATS_USER_CMPLTN_BA_BITMAP_TLV_SW_PEER_ID_GET(*tag_buf);
1963 
1964 	peer = dp_peer_find_by_id(pdev->soc, peer_id);
1965 
1966 	if (!peer)
1967 		return;
1968 
1969 	curr_user_index = dp_get_ppdu_info_user_index(pdev, peer_id, ppdu_info);
1970 
1971 	ppdu_user_desc = &ppdu_desc->user[curr_user_index];
1972 	ppdu_user_desc->peer_id = peer_id;
1973 
1974 	ppdu_user_desc->ba_seq_no = dp_stats_buf->ba_seq_no;
1975 	qdf_mem_copy(&ppdu_user_desc->ba_bitmap, &dp_stats_buf->ba_bitmap,
1976 			CDP_BA_64_BIT_MAP_SIZE_DWORDS);
1977 }
1978 
1979 /*
1980  * dp_process_ppdu_stats_user_compltn_ba_bitmap_256_tlv: Process
1981  * htt_ppdu_stats_user_compltn_ba_bitmap_256_tlv
1982  * pdev: DP PDEV handle
1983  * @tag_buf: buffer containing the htt_ppdu_stats_user_compltn_ba_bitmap_256_tlv
1984  * @ppdu_info: per ppdu tlv structure
1985  *
1986  * return:void
1987  */
1988 static void dp_process_ppdu_stats_user_compltn_ba_bitmap_256_tlv(
1989 		struct dp_pdev *pdev, uint32_t *tag_buf,
1990 		struct ppdu_info *ppdu_info)
1991 {
1992 	htt_ppdu_stats_user_compltn_ba_bitmap_256_tlv *dp_stats_buf =
1993 		(htt_ppdu_stats_user_compltn_ba_bitmap_256_tlv *)tag_buf;
1994 	struct cdp_tx_completion_ppdu_user *ppdu_user_desc;
1995 	struct cdp_tx_completion_ppdu *ppdu_desc;
1996 	uint8_t curr_user_index = 0;
1997 	uint16_t peer_id;
1998 	struct dp_peer *peer;
1999 
2000 	ppdu_desc = (struct cdp_tx_completion_ppdu *)qdf_nbuf_data(ppdu_info->nbuf);
2001 
2002 	tag_buf++;
2003 
2004 	peer_id =
2005 	HTT_PPDU_STATS_USER_CMPLTN_BA_BITMAP_TLV_SW_PEER_ID_GET(*tag_buf);
2006 
2007 	peer = dp_peer_find_by_id(pdev->soc, peer_id);
2008 
2009 	if (!peer)
2010 		return;
2011 
2012 	curr_user_index = dp_get_ppdu_info_user_index(pdev, peer_id, ppdu_info);
2013 
2014 	ppdu_user_desc = &ppdu_desc->user[curr_user_index];
2015 	ppdu_user_desc->peer_id = peer_id;
2016 
2017 	ppdu_user_desc->ba_seq_no = dp_stats_buf->ba_seq_no;
2018 	qdf_mem_copy(&ppdu_user_desc->ba_bitmap, &dp_stats_buf->ba_bitmap,
2019 			CDP_BA_256_BIT_MAP_SIZE_DWORDS);
2020 }
2021 
2022 /*
2023  * dp_process_ppdu_stats_user_compltn_ack_ba_status_tlv: Process
2024  * htt_ppdu_stats_user_compltn_ack_ba_status_tlv
2025  * pdev: DP PDE handle
2026  * @tag_buf: buffer containing the htt_ppdu_stats_user_compltn_ack_ba_status_tlv
2027  * @ppdu_info: per ppdu tlv structure
2028  *
2029  * return:void
2030  */
2031 static void dp_process_ppdu_stats_user_compltn_ack_ba_status_tlv(
2032 		struct dp_pdev *pdev, uint32_t *tag_buf,
2033 		struct ppdu_info *ppdu_info)
2034 {
2035 	uint16_t peer_id;
2036 	struct dp_peer *peer;
2037 	struct cdp_tx_completion_ppdu *ppdu_desc;
2038 	struct cdp_tx_completion_ppdu_user *ppdu_user_desc;
2039 	uint8_t curr_user_index = 0;
2040 
2041 	ppdu_desc = (struct cdp_tx_completion_ppdu *)qdf_nbuf_data(ppdu_info->nbuf);
2042 
2043 	tag_buf += 2;
2044 	peer_id =
2045 	HTT_PPDU_STATS_USER_CMPLTN_ACK_BA_STATUS_TLV_SW_PEER_ID_GET(*tag_buf);
2046 
2047 
2048 	peer = dp_peer_find_by_id(pdev->soc, peer_id);
2049 
2050 	if (!peer)
2051 		return;
2052 
2053 	curr_user_index = dp_get_ppdu_info_user_index(pdev, peer_id, ppdu_info);
2054 
2055 	ppdu_user_desc = &ppdu_desc->user[curr_user_index];
2056 	ppdu_user_desc->peer_id = peer_id;
2057 
2058 	tag_buf++;
2059 	ppdu_user_desc->tid =
2060 		HTT_PPDU_STATS_USER_CMPLTN_ACK_BA_STATUS_TLV_TID_NUM_GET(*tag_buf);
2061 	ppdu_user_desc->num_mpdu =
2062 		HTT_PPDU_STATS_USER_CMPLTN_ACK_BA_STATUS_TLV_NUM_MPDU_GET(*tag_buf);
2063 
2064 	ppdu_user_desc->num_msdu =
2065 		HTT_PPDU_STATS_USER_CMPLTN_ACK_BA_STATUS_TLV_NUM_MSDU_GET(*tag_buf);
2066 
2067 	ppdu_user_desc->success_msdus = ppdu_user_desc->num_msdu;
2068 
2069 	tag_buf += 2;
2070 	ppdu_user_desc->success_bytes = *tag_buf;
2071 
2072 }
2073 
2074 /*
2075  * dp_process_ppdu_stats_user_common_array_tlv: Process
2076  * htt_ppdu_stats_user_common_array_tlv
2077  * pdev: DP PDEV handle
2078  * @tag_buf: buffer containing the htt_ppdu_stats_user_compltn_ack_ba_status_tlv
2079  * @ppdu_info: per ppdu tlv structure
2080  *
2081  * return:void
2082  */
2083 static void dp_process_ppdu_stats_user_common_array_tlv(
2084 		struct dp_pdev *pdev, uint32_t *tag_buf,
2085 		struct ppdu_info *ppdu_info)
2086 {
2087 	uint32_t peer_id;
2088 	struct dp_peer *peer;
2089 	struct cdp_tx_completion_ppdu *ppdu_desc;
2090 	struct cdp_tx_completion_ppdu_user *ppdu_user_desc;
2091 	uint8_t curr_user_index = 0;
2092 	struct htt_tx_ppdu_stats_info *dp_stats_buf;
2093 
2094 	ppdu_desc = (struct cdp_tx_completion_ppdu *)qdf_nbuf_data(ppdu_info->nbuf);
2095 
2096 	tag_buf++;
2097 	dp_stats_buf = (struct htt_tx_ppdu_stats_info *)tag_buf;
2098 	tag_buf += 3;
2099 	peer_id =
2100 		HTT_PPDU_STATS_ARRAY_ITEM_TLV_PEERID_GET(*tag_buf);
2101 
2102 	peer = dp_peer_find_by_id(pdev->soc, peer_id);
2103 
2104 	if (!peer) {
2105 		QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
2106 			"Invalid peer");
2107 		return;
2108 	}
2109 
2110 	curr_user_index = dp_get_ppdu_info_user_index(pdev, peer_id, ppdu_info);
2111 
2112 	ppdu_user_desc = &ppdu_desc->user[curr_user_index];
2113 
2114 	ppdu_user_desc->retry_bytes = dp_stats_buf->tx_retry_bytes;
2115 	ppdu_user_desc->failed_bytes = dp_stats_buf->tx_failed_bytes;
2116 
2117 	tag_buf++;
2118 
2119 	ppdu_user_desc->success_msdus =
2120 		HTT_PPDU_STATS_ARRAY_ITEM_TLV_TX_SUCC_MSDUS_GET(*tag_buf);
2121 	ppdu_user_desc->retry_bytes =
2122 		HTT_PPDU_STATS_ARRAY_ITEM_TLV_TX_RETRY_MSDUS_GET(*tag_buf);
2123 	tag_buf++;
2124 	ppdu_user_desc->failed_msdus =
2125 		HTT_PPDU_STATS_ARRAY_ITEM_TLV_TX_FAILED_MSDUS_GET(*tag_buf);
2126 }
2127 
2128 /*
2129  * dp_process_ppdu_stats_flush_tlv: Process
2130  * htt_ppdu_stats_flush_tlv
2131  * @pdev: DP PDEV handle
2132  * @tag_buf: buffer containing the htt_ppdu_stats_flush_tlv
2133  *
2134  * return:void
2135  */
2136 static void dp_process_ppdu_stats_user_compltn_flush_tlv(struct dp_pdev *pdev,
2137 						uint32_t *tag_buf)
2138 {
2139 	uint32_t peer_id;
2140 	uint32_t drop_reason;
2141 	uint8_t tid;
2142 	uint32_t num_msdu;
2143 	struct dp_peer *peer;
2144 
2145 	tag_buf++;
2146 	drop_reason = *tag_buf;
2147 
2148 	tag_buf++;
2149 	num_msdu = HTT_PPDU_STATS_FLUSH_TLV_NUM_MSDU_GET(*tag_buf);
2150 
2151 	tag_buf++;
2152 	peer_id =
2153 		HTT_PPDU_STATS_FLUSH_TLV_SW_PEER_ID_GET(*tag_buf);
2154 
2155 	peer = dp_peer_find_by_id(pdev->soc, peer_id);
2156 	if (!peer)
2157 		return;
2158 
2159 	tid = HTT_PPDU_STATS_FLUSH_TLV_TID_NUM_GET(*tag_buf);
2160 
2161 	if (drop_reason == HTT_FLUSH_EXCESS_RETRIES) {
2162 		DP_STATS_INC(peer, tx.excess_retries_per_ac[TID_TO_WME_AC(tid)],
2163 					num_msdu);
2164 	}
2165 }
2166 
2167 /*
2168  * dp_process_ppdu_stats_tx_mgmtctrl_payload_tlv: Process
2169  * htt_ppdu_stats_tx_mgmtctrl_payload_tlv
2170  * @pdev: DP PDEV handle
2171  * @tag_buf: buffer containing the htt_ppdu_stats_tx_mgmtctrl_payload_tlv
2172  * @length: tlv_length
2173  *
2174  * return:void
2175  */
2176 static void dp_process_ppdu_stats_tx_mgmtctrl_payload_tlv(
2177 	struct dp_pdev *pdev, uint32_t *tag_buf, uint32_t length)
2178 {
2179 	htt_ppdu_stats_tx_mgmtctrl_payload_tlv *dp_stats_buf;
2180 	qdf_nbuf_t nbuf;
2181 	uint32_t payload_size;
2182 
2183 	if ((!pdev->tx_sniffer_enable) && (!pdev->mcopy_mode))
2184 		return;
2185 
2186 	payload_size = length - HTT_MGMT_CTRL_TLV_RESERVERD_LEN;
2187 	nbuf = NULL;
2188 	dp_stats_buf = (htt_ppdu_stats_tx_mgmtctrl_payload_tlv *)tag_buf;
2189 
2190 
2191 	nbuf = qdf_nbuf_alloc(pdev->soc->osdev, payload_size, 0, 4, true);
2192 
2193 	if (!nbuf) {
2194 		QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
2195 				"Nbuf Allocation failed for Mgmt. payload");
2196 		qdf_assert(0);
2197 		return;
2198 	}
2199 
2200 	qdf_nbuf_put_tail(nbuf, payload_size);
2201 	qdf_mem_copy(qdf_nbuf_data(nbuf), dp_stats_buf->payload, payload_size);
2202 
2203 	dp_wdi_event_handler(WDI_EVENT_TX_MGMT_CTRL, pdev->soc,
2204 		nbuf, HTT_INVALID_PEER,
2205 		WDI_NO_VAL, pdev->pdev_id);
2206 }
2207 
2208 /**
2209  * dp_process_ppdu_tag(): Function to process the PPDU TLVs
2210  * @pdev: DP pdev handle
2211  * @tag_buf: TLV buffer
2212  * @tlv_len: length of tlv
2213  * @ppdu_info: per ppdu tlv structure
2214  *
2215  * return: void
2216  */
2217 static void dp_process_ppdu_tag(struct dp_pdev *pdev, uint32_t *tag_buf,
2218 		uint32_t tlv_len, struct ppdu_info *ppdu_info)
2219 {
2220 	uint32_t tlv_type = HTT_STATS_TLV_TAG_GET(*tag_buf);
2221 
2222 	switch (tlv_type) {
2223 	case HTT_PPDU_STATS_COMMON_TLV:
2224 		qdf_assert_always(tlv_len ==
2225 				sizeof(htt_ppdu_stats_common_tlv));
2226 		dp_process_ppdu_stats_common_tlv(pdev, tag_buf, ppdu_info);
2227 		break;
2228 	case HTT_PPDU_STATS_USR_COMMON_TLV:
2229 		qdf_assert_always(tlv_len ==
2230 				sizeof(htt_ppdu_stats_user_common_tlv));
2231 		dp_process_ppdu_stats_user_common_tlv(
2232 				pdev, tag_buf, ppdu_info);
2233 		break;
2234 	case HTT_PPDU_STATS_USR_RATE_TLV:
2235 		qdf_assert_always(tlv_len ==
2236 				sizeof(htt_ppdu_stats_user_rate_tlv));
2237 		dp_process_ppdu_stats_user_rate_tlv(pdev, tag_buf, ppdu_info);
2238 		break;
2239 	case HTT_PPDU_STATS_USR_MPDU_ENQ_BITMAP_64_TLV:
2240 		qdf_assert_always(tlv_len ==
2241 				sizeof(htt_ppdu_stats_enq_mpdu_bitmap_64_tlv));
2242 		dp_process_ppdu_stats_enq_mpdu_bitmap_64_tlv(
2243 				pdev, tag_buf, ppdu_info);
2244 		break;
2245 	case HTT_PPDU_STATS_USR_MPDU_ENQ_BITMAP_256_TLV:
2246 		qdf_assert_always(tlv_len ==
2247 				sizeof(htt_ppdu_stats_enq_mpdu_bitmap_256_tlv));
2248 		dp_process_ppdu_stats_enq_mpdu_bitmap_256_tlv(
2249 				pdev, tag_buf, ppdu_info);
2250 		break;
2251 	case HTT_PPDU_STATS_USR_COMPLTN_COMMON_TLV:
2252 		qdf_assert_always(tlv_len ==
2253 				sizeof(htt_ppdu_stats_user_cmpltn_common_tlv));
2254 		dp_process_ppdu_stats_user_cmpltn_common_tlv(
2255 				pdev, tag_buf, ppdu_info);
2256 		break;
2257 	case HTT_PPDU_STATS_USR_COMPLTN_BA_BITMAP_64_TLV:
2258 		qdf_assert_always(tlv_len ==
2259 			sizeof(htt_ppdu_stats_user_compltn_ba_bitmap_64_tlv));
2260 		dp_process_ppdu_stats_user_compltn_ba_bitmap_64_tlv(
2261 				pdev, tag_buf, ppdu_info);
2262 		break;
2263 	case HTT_PPDU_STATS_USR_COMPLTN_BA_BITMAP_256_TLV:
2264 		qdf_assert_always(tlv_len ==
2265 			sizeof(htt_ppdu_stats_user_compltn_ba_bitmap_256_tlv));
2266 		dp_process_ppdu_stats_user_compltn_ba_bitmap_256_tlv(
2267 				pdev, tag_buf, ppdu_info);
2268 		break;
2269 	case HTT_PPDU_STATS_USR_COMPLTN_ACK_BA_STATUS_TLV:
2270 		qdf_assert_always(tlv_len ==
2271 			sizeof(htt_ppdu_stats_user_compltn_ack_ba_status_tlv));
2272 		dp_process_ppdu_stats_user_compltn_ack_ba_status_tlv(
2273 				pdev, tag_buf, ppdu_info);
2274 		break;
2275 	case HTT_PPDU_STATS_USR_COMMON_ARRAY_TLV:
2276 		qdf_assert_always(tlv_len ==
2277 			sizeof(htt_ppdu_stats_usr_common_array_tlv_v));
2278 		dp_process_ppdu_stats_user_common_array_tlv(
2279 				pdev, tag_buf, ppdu_info);
2280 		break;
2281 	case HTT_PPDU_STATS_USR_COMPLTN_FLUSH_TLV:
2282 		qdf_assert_always(tlv_len ==
2283 			sizeof(htt_ppdu_stats_flush_tlv));
2284 		dp_process_ppdu_stats_user_compltn_flush_tlv(
2285 				pdev, tag_buf);
2286 		break;
2287 	case HTT_PPDU_STATS_TX_MGMTCTRL_PAYLOAD_TLV:
2288 		dp_process_ppdu_stats_tx_mgmtctrl_payload_tlv(
2289 				pdev, tag_buf, tlv_len);
2290 		break;
2291 	default:
2292 		break;
2293 	}
2294 }
2295 
2296 /**
2297  * dp_ppdu_desc_deliver(): Function to deliver Tx PPDU status descriptor
2298  * to upper layer
2299  * @pdev: DP pdev handle
2300  * @ppdu_info: per PPDU TLV descriptor
2301  *
2302  * return: void
2303  */
2304 static
2305 void dp_ppdu_desc_deliver(struct dp_pdev *pdev,
2306 			      struct ppdu_info *ppdu_info)
2307 {
2308 	struct cdp_tx_completion_ppdu *ppdu_desc = NULL;
2309 	struct dp_peer *peer = NULL;
2310 	qdf_nbuf_t nbuf;
2311 	uint16_t i;
2312 
2313 	ppdu_desc = (struct cdp_tx_completion_ppdu *)
2314 		qdf_nbuf_data(ppdu_info->nbuf);
2315 
2316 	ppdu_desc->num_users = ppdu_info->last_user;
2317 	ppdu_desc->ppdu_id = ppdu_info->ppdu_id;
2318 
2319 	for (i = 0; i < ppdu_desc->num_users; i++) {
2320 
2321 
2322 		ppdu_desc->num_mpdu += ppdu_desc->user[i].num_mpdu;
2323 		ppdu_desc->num_msdu += ppdu_desc->user[i].num_msdu;
2324 
2325 		if (ppdu_desc->user[i].tid < CDP_DATA_TID_MAX) {
2326 			peer = dp_peer_find_by_id(pdev->soc,
2327 					ppdu_desc->user[i].peer_id);
2328 			/**
2329 			 * This check is to make sure peer is not deleted
2330 			 * after processing the TLVs.
2331 			 */
2332 			if (!peer)
2333 				continue;
2334 
2335 			dp_tx_stats_update(pdev->soc, peer,
2336 					&ppdu_desc->user[i],
2337 					ppdu_desc->ack_rssi);
2338 		}
2339 	}
2340 
2341 	/*
2342 	 * Remove from the list
2343 	 */
2344 	TAILQ_REMOVE(&pdev->ppdu_info_list, ppdu_info, ppdu_info_list_elem);
2345 	nbuf = ppdu_info->nbuf;
2346 	pdev->list_depth--;
2347 	qdf_mem_free(ppdu_info);
2348 
2349 	qdf_assert_always(nbuf);
2350 
2351 	ppdu_desc = (struct cdp_tx_completion_ppdu *)
2352 		qdf_nbuf_data(nbuf);
2353 
2354 	/**
2355 	 * Deliver PPDU stats only for valid (acked) data frames if
2356 	 * sniffer mode is not enabled.
2357 	 * If sniffer mode is enabled, PPDU stats for all frames
2358 	 * including mgmt/control frames should be delivered to upper layer
2359 	 */
2360 	if (pdev->tx_sniffer_enable || pdev->mcopy_mode) {
2361 		dp_wdi_event_handler(WDI_EVENT_TX_PPDU_DESC, pdev->soc,
2362 				nbuf, HTT_INVALID_PEER,
2363 				WDI_NO_VAL, pdev->pdev_id);
2364 	} else {
2365 		if (ppdu_desc->num_mpdu != 0 && ppdu_desc->num_users != 0 &&
2366 				ppdu_desc->frame_ctrl & HTT_FRAMECTRL_DATATYPE) {
2367 
2368 			dp_wdi_event_handler(WDI_EVENT_TX_PPDU_DESC,
2369 					pdev->soc, nbuf, HTT_INVALID_PEER,
2370 					WDI_NO_VAL, pdev->pdev_id);
2371 		} else
2372 			qdf_nbuf_free(nbuf);
2373 	}
2374 	return;
2375 }
2376 
2377 /**
2378  * dp_get_ppdu_desc(): Function to allocate new PPDU status
2379  * desc for new ppdu id
2380  * @pdev: DP pdev handle
2381  * @ppdu_id: PPDU unique identifier
2382  * @tlv_type: TLV type received
2383  *
2384  * return: ppdu_info per ppdu tlv structure
2385  */
2386 static
2387 struct ppdu_info *dp_get_ppdu_desc(struct dp_pdev *pdev, uint32_t ppdu_id,
2388 			uint8_t tlv_type)
2389 {
2390 	struct ppdu_info *ppdu_info = NULL;
2391 
2392 	/*
2393 	 * Find ppdu_id node exists or not
2394 	 */
2395 	TAILQ_FOREACH(ppdu_info, &pdev->ppdu_info_list, ppdu_info_list_elem) {
2396 
2397 		if (ppdu_info && (ppdu_info->ppdu_id == ppdu_id)) {
2398 			break;
2399 		}
2400 	}
2401 
2402 	if (ppdu_info) {
2403 		/**
2404 		 * if we get tlv_type that is already been processed for ppdu,
2405 		 * that means we got a new ppdu with same ppdu id.
2406 		 * Hence Flush the older ppdu
2407 		 */
2408 		if (ppdu_info->tlv_bitmap & (1 << tlv_type))
2409 			dp_ppdu_desc_deliver(pdev, ppdu_info);
2410 		else
2411 			return ppdu_info;
2412 	}
2413 
2414 	/**
2415 	 * Flush the head ppdu descriptor if ppdu desc list reaches max
2416 	 * threshold
2417 	 */
2418 	if (pdev->list_depth > HTT_PPDU_DESC_MAX_DEPTH) {
2419 		ppdu_info = TAILQ_FIRST(&pdev->ppdu_info_list);
2420 		dp_ppdu_desc_deliver(pdev, ppdu_info);
2421 	}
2422 
2423 	/*
2424 	 * Allocate new ppdu_info node
2425 	 */
2426 	ppdu_info = qdf_mem_malloc(sizeof(struct ppdu_info));
2427 	if (!ppdu_info)
2428 		return NULL;
2429 
2430 	ppdu_info->nbuf = qdf_nbuf_alloc(pdev->soc->osdev,
2431 			sizeof(struct cdp_tx_completion_ppdu), 0, 4,
2432 			TRUE);
2433 	if (!ppdu_info->nbuf) {
2434 		qdf_mem_free(ppdu_info);
2435 		return NULL;
2436 	}
2437 
2438 	qdf_mem_zero(qdf_nbuf_data(ppdu_info->nbuf),
2439 			sizeof(struct cdp_tx_completion_ppdu));
2440 
2441 	if (qdf_nbuf_put_tail(ppdu_info->nbuf,
2442 			sizeof(struct cdp_tx_completion_ppdu)) == NULL) {
2443 		QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
2444 				"No tailroom for HTT PPDU");
2445 		qdf_nbuf_free(ppdu_info->nbuf);
2446 		ppdu_info->nbuf = NULL;
2447 		ppdu_info->last_user = 0;
2448 		qdf_mem_free(ppdu_info);
2449 		return NULL;
2450 	}
2451 
2452 	/**
2453 	 * No lock is needed because all PPDU TLVs are processed in
2454 	 * same context and this list is updated in same context
2455 	 */
2456 	TAILQ_INSERT_TAIL(&pdev->ppdu_info_list, ppdu_info,
2457 			ppdu_info_list_elem);
2458 	pdev->list_depth++;
2459 	return ppdu_info;
2460 }
2461 
2462 /**
2463  * dp_htt_process_tlv(): Function to process each PPDU TLVs
2464  * @pdev: DP pdev handle
2465  * @htt_t2h_msg: HTT target to host message
2466  *
2467  * return: ppdu_info per ppdu tlv structure
2468  */
2469 
2470 static struct ppdu_info *dp_htt_process_tlv(struct dp_pdev *pdev,
2471 		qdf_nbuf_t htt_t2h_msg)
2472 {
2473 	uint32_t length;
2474 	uint32_t ppdu_id;
2475 	uint8_t tlv_type;
2476 	uint32_t tlv_length, tlv_bitmap_expected;
2477 	uint8_t *tlv_buf;
2478 	struct ppdu_info *ppdu_info = NULL;
2479 
2480 	uint32_t *msg_word = (uint32_t *) qdf_nbuf_data(htt_t2h_msg);
2481 
2482 	length = HTT_T2H_PPDU_STATS_PAYLOAD_SIZE_GET(*msg_word);
2483 
2484 	msg_word = msg_word + 1;
2485 	ppdu_id = HTT_T2H_PPDU_STATS_PPDU_ID_GET(*msg_word);
2486 
2487 
2488 	msg_word = msg_word + 3;
2489 	while (length > 0) {
2490 		tlv_buf = (uint8_t *)msg_word;
2491 		tlv_type = HTT_STATS_TLV_TAG_GET(*msg_word);
2492 		tlv_length = HTT_STATS_TLV_LENGTH_GET(*msg_word);
2493 		if (qdf_likely(tlv_type < CDP_PPDU_STATS_MAX_TAG))
2494 			pdev->stats.ppdu_stats_counter[tlv_type]++;
2495 
2496 		if (tlv_length == 0)
2497 			break;
2498 
2499 		tlv_length += HTT_TLV_HDR_LEN;
2500 
2501 		/**
2502 		 * Not allocating separate ppdu descriptor for MGMT Payload
2503 		 * TLV as this is sent as separate WDI indication and it
2504 		 * doesn't contain any ppdu information
2505 		 */
2506 		if (tlv_type == HTT_PPDU_STATS_TX_MGMTCTRL_PAYLOAD_TLV) {
2507 			dp_process_ppdu_tag(pdev, msg_word, tlv_length, NULL);
2508 			msg_word = (uint32_t *)((uint8_t *)tlv_buf + tlv_length);
2509 			length -= (tlv_length);
2510 			continue;
2511 		}
2512 
2513 		ppdu_info = dp_get_ppdu_desc(pdev, ppdu_id, tlv_type);
2514 		if (!ppdu_info)
2515 			return NULL;
2516 		ppdu_info->ppdu_id = ppdu_id;
2517 		ppdu_info->tlv_bitmap |= (1 << tlv_type);
2518 
2519 		dp_process_ppdu_tag(pdev, msg_word, tlv_length, ppdu_info);
2520 
2521 		/**
2522 		 * Increment pdev level tlv count to monitor
2523 		 * missing TLVs
2524 		 */
2525 		pdev->tlv_count++;
2526 		ppdu_info->last_tlv_cnt = pdev->tlv_count;
2527 
2528 		msg_word = (uint32_t *)((uint8_t *)tlv_buf + tlv_length);
2529 		length -= (tlv_length);
2530 	}
2531 
2532 	pdev->last_ppdu_id = ppdu_id;
2533 
2534 	tlv_bitmap_expected = HTT_PPDU_DEFAULT_TLV_BITMAP;
2535 
2536 	if (pdev->tx_sniffer_enable || pdev->mcopy_mode) {
2537 		if (ppdu_info->is_ampdu)
2538 			tlv_bitmap_expected = HTT_PPDU_SNIFFER_AMPDU_TLV_BITMAP;
2539 	}
2540 
2541 	/**
2542 	 * Once all the TLVs for a given PPDU has been processed,
2543 	 * return PPDU status to be delivered to higher layer
2544 	 */
2545 	if (ppdu_info->tlv_bitmap == tlv_bitmap_expected)
2546 		return ppdu_info;
2547 
2548 	return NULL;
2549 }
2550 #endif /* FEATURE_PERPKT_INFO */
2551 
2552 /**
2553  * dp_txrx_ppdu_stats_handler() - Function to process HTT PPDU stats from FW
2554  * @soc: DP SOC handle
2555  * @pdev_id: pdev id
2556  * @htt_t2h_msg: HTT message nbuf
2557  *
2558  * return:void
2559  */
2560 #if defined(WDI_EVENT_ENABLE)
2561 #ifdef FEATURE_PERPKT_INFO
2562 static void dp_txrx_ppdu_stats_handler(struct dp_soc *soc,
2563 		uint8_t pdev_id, qdf_nbuf_t htt_t2h_msg)
2564 {
2565 	struct dp_pdev *pdev = soc->pdev_list[pdev_id];
2566 	struct ppdu_info *ppdu_info = NULL;
2567 
2568 	if (!pdev->enhanced_stats_en && !pdev->tx_sniffer_enable &&
2569 			!pdev->mcopy_mode)
2570 		return;
2571 
2572 	ppdu_info = dp_htt_process_tlv(pdev, htt_t2h_msg);
2573 	if (ppdu_info)
2574 		dp_ppdu_desc_deliver(pdev, ppdu_info);
2575 }
2576 #else
2577 static void dp_txrx_ppdu_stats_handler(struct dp_soc *soc,
2578 		uint8_t pdev_id, qdf_nbuf_t htt_t2h_msg)
2579 {
2580 
2581 }
2582 #endif
2583 #endif
2584 
2585 /**
2586  * dp_txrx_fw_stats_handler() - Function to process HTT EXT stats
2587  * @soc: DP SOC handle
2588  * @htt_t2h_msg: HTT message nbuf
2589  *
2590  * return:void
2591  */
2592 static inline void dp_txrx_fw_stats_handler(struct dp_soc *soc,
2593 		qdf_nbuf_t htt_t2h_msg)
2594 {
2595 	uint8_t done;
2596 	qdf_nbuf_t msg_copy;
2597 	uint32_t *msg_word;
2598 
2599 	msg_word = (uint32_t *) qdf_nbuf_data(htt_t2h_msg);
2600 	msg_word = msg_word + 3;
2601 	done = HTT_T2H_EXT_STATS_CONF_TLV_DONE_GET(*msg_word);
2602 
2603 	/*
2604 	 * HTT EXT stats response comes as stream of TLVs which span over
2605 	 * multiple T2H messages.
2606 	 * The first message will carry length of the response.
2607 	 * For rest of the messages length will be zero.
2608 	 *
2609 	 * Clone the T2H message buffer and store it in a list to process
2610 	 * it later.
2611 	 *
2612 	 * The original T2H message buffers gets freed in the T2H HTT event
2613 	 * handler
2614 	 */
2615 	msg_copy = qdf_nbuf_clone(htt_t2h_msg);
2616 
2617 	if (!msg_copy) {
2618 		QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_INFO,
2619 				"T2H messge clone failed for HTT EXT STATS");
2620 		goto error;
2621 	}
2622 
2623 	qdf_spin_lock_bh(&soc->htt_stats.lock);
2624 	qdf_nbuf_queue_add(&soc->htt_stats.msg, msg_copy);
2625 	/*
2626 	 * Done bit signifies that this is the last T2H buffer in the stream of
2627 	 * HTT EXT STATS message
2628 	 */
2629 	if (done) {
2630 		soc->htt_stats.num_stats++;
2631 		qdf_sched_work(0, &soc->htt_stats.work);
2632 	}
2633 	qdf_spin_unlock_bh(&soc->htt_stats.lock);
2634 
2635 	return;
2636 
2637 error:
2638 	qdf_spin_lock_bh(&soc->htt_stats.lock);
2639 	while ((msg_copy = qdf_nbuf_queue_remove(&soc->htt_stats.msg))
2640 			!= NULL) {
2641 		qdf_nbuf_free(msg_copy);
2642 	}
2643 	soc->htt_stats.num_stats = 0;
2644 	qdf_spin_unlock_bh(&soc->htt_stats.lock);
2645 	return;
2646 
2647 }
2648 
2649 /*
2650  * htt_soc_attach_target() - SOC level HTT setup
2651  * @htt_soc:	HTT SOC handle
2652  *
2653  * Return: 0 on success; error code on failure
2654  */
2655 int htt_soc_attach_target(void *htt_soc)
2656 {
2657 	struct htt_soc *soc = (struct htt_soc *)htt_soc;
2658 
2659 	return htt_h2t_ver_req_msg(soc);
2660 }
2661 
2662 
2663 #if defined(WDI_EVENT_ENABLE) && !defined(REMOVE_PKT_LOG)
2664 /*
2665  * dp_ppdu_stats_ind_handler() - PPDU stats msg handler
2666  * @htt_soc:	 HTT SOC handle
2667  * @msg_word:    Pointer to payload
2668  * @htt_t2h_msg: HTT msg nbuf
2669  *
2670  * Return: None
2671  */
2672 static void
2673 dp_ppdu_stats_ind_handler(struct htt_soc *soc,
2674 				uint32_t *msg_word,
2675 				qdf_nbuf_t htt_t2h_msg)
2676 {
2677 	u_int8_t pdev_id;
2678 	qdf_nbuf_set_pktlen(htt_t2h_msg, HTT_T2H_MAX_MSG_SIZE);
2679 	QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_INFO,
2680 		"received HTT_T2H_MSG_TYPE_PPDU_STATS_IND\n");
2681 	pdev_id = HTT_T2H_PPDU_STATS_PDEV_ID_GET(*msg_word);
2682 	pdev_id = DP_HW2SW_MACID(pdev_id);
2683 	dp_txrx_ppdu_stats_handler(soc->dp_soc, pdev_id,
2684 				  htt_t2h_msg);
2685 	dp_wdi_event_handler(WDI_EVENT_LITE_T2H, soc->dp_soc,
2686 		htt_t2h_msg, HTT_INVALID_PEER, WDI_NO_VAL,
2687 		pdev_id);
2688 }
2689 #else
2690 dp_ppdu_stats_ind_handler(struct htt_soc *soc,
2691 				qdf_nbuf_t htt_t2h_msg)
2692 {
2693 }
2694 #endif
2695 
2696 #if defined(WDI_EVENT_ENABLE) && \
2697 		!defined(REMOVE_PKT_LOG) && defined(CONFIG_WIN)
2698 /*
2699  * dp_pktlog_msg_handler() - Pktlog msg handler
2700  * @htt_soc:	 HTT SOC handle
2701  * @msg_word:    Pointer to payload
2702  *
2703  * Return: None
2704  */
2705 static void
2706 dp_pktlog_msg_handler(struct htt_soc *soc,
2707 				uint32_t *msg_word)
2708 {
2709 	uint8_t pdev_id;
2710 	uint32_t *pl_hdr;
2711 	QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_INFO,
2712 		"received HTT_T2H_MSG_TYPE_PKTLOG\n");
2713 	pdev_id = HTT_T2H_PKTLOG_PDEV_ID_GET(*msg_word);
2714 	pdev_id = DP_HW2SW_MACID(pdev_id);
2715 	pl_hdr = (msg_word + 1);
2716 	dp_wdi_event_handler(WDI_EVENT_OFFLOAD_ALL, soc->dp_soc,
2717 		pl_hdr, HTT_INVALID_PEER, WDI_NO_VAL,
2718 		pdev_id);
2719 }
2720 #else
2721 static void
2722 dp_pktlog_msg_handler(struct htt_soc *soc,
2723 				uint32_t *msg_word)
2724 {
2725 }
2726 #endif
2727 
2728 /*
2729  * dp_htt_t2h_msg_handler() - Generic Target to host Msg/event handler
2730  * @context:	Opaque context (HTT SOC handle)
2731  * @pkt:	HTC packet
2732  */
2733 static void dp_htt_t2h_msg_handler(void *context, HTC_PACKET *pkt)
2734 {
2735 	struct htt_soc *soc = (struct htt_soc *) context;
2736 	qdf_nbuf_t htt_t2h_msg = (qdf_nbuf_t) pkt->pPktContext;
2737 	u_int32_t *msg_word;
2738 	enum htt_t2h_msg_type msg_type;
2739 
2740 	/* check for successful message reception */
2741 	if (pkt->Status != QDF_STATUS_SUCCESS) {
2742 		if (pkt->Status != QDF_STATUS_E_CANCELED)
2743 			soc->stats.htc_err_cnt++;
2744 
2745 		qdf_nbuf_free(htt_t2h_msg);
2746 		return;
2747 	}
2748 
2749 	/* TODO: Check if we should pop the HTC/HTT header alignment padding */
2750 
2751 	msg_word = (u_int32_t *) qdf_nbuf_data(htt_t2h_msg);
2752 	msg_type = HTT_T2H_MSG_TYPE_GET(*msg_word);
2753 	switch (msg_type) {
2754 	case HTT_T2H_MSG_TYPE_PEER_MAP:
2755 		{
2756 			u_int8_t mac_addr_deswizzle_buf[HTT_MAC_ADDR_LEN];
2757 			u_int8_t *peer_mac_addr;
2758 			u_int16_t peer_id;
2759 			u_int16_t hw_peer_id;
2760 			u_int8_t vdev_id;
2761 
2762 			peer_id = HTT_RX_PEER_MAP_PEER_ID_GET(*msg_word);
2763 			hw_peer_id =
2764 				HTT_RX_PEER_MAP_HW_PEER_ID_GET(*(msg_word+2));
2765 			vdev_id = HTT_RX_PEER_MAP_VDEV_ID_GET(*msg_word);
2766 			peer_mac_addr = htt_t2h_mac_addr_deswizzle(
2767 				(u_int8_t *) (msg_word+1),
2768 				&mac_addr_deswizzle_buf[0]);
2769 			QDF_TRACE(QDF_MODULE_ID_TXRX,
2770 				QDF_TRACE_LEVEL_INFO,
2771 				"HTT_T2H_MSG_TYPE_PEER_MAP msg for peer id %d vdev id %d n",
2772 				peer_id, vdev_id);
2773 
2774 			dp_rx_peer_map_handler(soc->dp_soc, peer_id, hw_peer_id,
2775 						vdev_id, peer_mac_addr);
2776 			break;
2777 		}
2778 	case HTT_T2H_MSG_TYPE_PEER_UNMAP:
2779 		{
2780 			u_int16_t peer_id;
2781 			peer_id = HTT_RX_PEER_UNMAP_PEER_ID_GET(*msg_word);
2782 
2783 			dp_rx_peer_unmap_handler(soc->dp_soc, peer_id);
2784 			break;
2785 		}
2786 	case HTT_T2H_MSG_TYPE_SEC_IND:
2787 		{
2788 			u_int16_t peer_id;
2789 			enum htt_sec_type sec_type;
2790 			int is_unicast;
2791 
2792 			peer_id = HTT_SEC_IND_PEER_ID_GET(*msg_word);
2793 			sec_type = HTT_SEC_IND_SEC_TYPE_GET(*msg_word);
2794 			is_unicast = HTT_SEC_IND_UNICAST_GET(*msg_word);
2795 			/* point to the first part of the Michael key */
2796 			msg_word++;
2797 			dp_rx_sec_ind_handler(
2798 				soc->dp_soc, peer_id, sec_type, is_unicast,
2799 				msg_word, msg_word + 2);
2800 			break;
2801 		}
2802 
2803 	case HTT_T2H_MSG_TYPE_PPDU_STATS_IND:
2804 		{
2805 			dp_ppdu_stats_ind_handler(soc, msg_word, htt_t2h_msg);
2806 			break;
2807 		}
2808 
2809 	case HTT_T2H_MSG_TYPE_PKTLOG:
2810 		{
2811 			dp_pktlog_msg_handler(soc, msg_word);
2812 			break;
2813 		}
2814 
2815 	case HTT_T2H_MSG_TYPE_VERSION_CONF:
2816 		{
2817 			htc_pm_runtime_put(soc->htc_soc);
2818 			soc->tgt_ver.major = HTT_VER_CONF_MAJOR_GET(*msg_word);
2819 			soc->tgt_ver.minor = HTT_VER_CONF_MINOR_GET(*msg_word);
2820 			QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_INFO_HIGH,
2821 				"target uses HTT version %d.%d; host uses %d.%d\n",
2822 				soc->tgt_ver.major, soc->tgt_ver.minor,
2823 				HTT_CURRENT_VERSION_MAJOR,
2824 				HTT_CURRENT_VERSION_MINOR);
2825 			if (soc->tgt_ver.major != HTT_CURRENT_VERSION_MAJOR) {
2826 				QDF_TRACE(QDF_MODULE_ID_TXRX,
2827 					QDF_TRACE_LEVEL_ERROR,
2828 					"*** Incompatible host/target HTT versions!\n");
2829 			}
2830 			/* abort if the target is incompatible with the host */
2831 			qdf_assert(soc->tgt_ver.major ==
2832 				HTT_CURRENT_VERSION_MAJOR);
2833 			if (soc->tgt_ver.minor != HTT_CURRENT_VERSION_MINOR) {
2834 				QDF_TRACE(QDF_MODULE_ID_TXRX,
2835 					QDF_TRACE_LEVEL_WARN,
2836 					"*** Warning: host/target HTT versions"
2837 					" are different, though compatible!\n");
2838 			}
2839 			break;
2840 		}
2841 	case HTT_T2H_MSG_TYPE_RX_ADDBA:
2842 		{
2843 			uint16_t peer_id;
2844 			uint8_t tid;
2845 			uint8_t win_sz;
2846 			uint16_t status;
2847 			struct dp_peer *peer;
2848 
2849 			/*
2850 			 * Update REO Queue Desc with new values
2851 			 */
2852 			peer_id = HTT_RX_ADDBA_PEER_ID_GET(*msg_word);
2853 			tid = HTT_RX_ADDBA_TID_GET(*msg_word);
2854 			win_sz = HTT_RX_ADDBA_WIN_SIZE_GET(*msg_word);
2855 			peer = dp_peer_find_by_id(soc->dp_soc, peer_id);
2856 
2857 			/*
2858 			 * Window size needs to be incremented by 1
2859 			 * since fw needs to represent a value of 256
2860 			 * using just 8 bits
2861 			 */
2862 			if (peer) {
2863 				status = dp_addba_requestprocess_wifi3(peer,
2864 						0, tid, 0, win_sz + 1, 0xffff);
2865 				QDF_TRACE(QDF_MODULE_ID_TXRX,
2866 					QDF_TRACE_LEVEL_INFO,
2867 					FL("PeerID %d BAW %d TID %d stat %d\n"),
2868 					peer_id, win_sz, tid, status);
2869 
2870 			} else {
2871 				QDF_TRACE(QDF_MODULE_ID_TXRX,
2872 					QDF_TRACE_LEVEL_ERROR,
2873 					FL("Peer not found peer id %d\n"),
2874 					peer_id);
2875 			}
2876 			break;
2877 		}
2878 	case HTT_T2H_MSG_TYPE_EXT_STATS_CONF:
2879 		{
2880 			dp_txrx_fw_stats_handler(soc->dp_soc, htt_t2h_msg);
2881 			break;
2882 		}
2883 	default:
2884 		break;
2885 	};
2886 
2887 	/* Free the indication buffer */
2888 	qdf_nbuf_free(htt_t2h_msg);
2889 }
2890 
2891 /*
2892  * dp_htt_h2t_full() - Send full handler (called from HTC)
2893  * @context:	Opaque context (HTT SOC handle)
2894  * @pkt:	HTC packet
2895  *
2896  * Return: enum htc_send_full_action
2897  */
2898 static enum htc_send_full_action
2899 dp_htt_h2t_full(void *context, HTC_PACKET *pkt)
2900 {
2901 	return HTC_SEND_FULL_KEEP;
2902 }
2903 
2904 /*
2905  * dp_htt_hif_t2h_hp_callback() - HIF callback for high priority T2H messages
2906  * @context:	Opaque context (HTT SOC handle)
2907  * @nbuf:	nbuf containing T2H message
2908  * @pipe_id:	HIF pipe ID
2909  *
2910  * Return: QDF_STATUS
2911  *
2912  * TODO: Temporary change to bypass HTC connection for this new HIF pipe, which
2913  * will be used for packet log and other high-priority HTT messsages. Proper
2914  * HTC connection to be added later once required FW changes are available
2915  */
2916 static QDF_STATUS
2917 dp_htt_hif_t2h_hp_callback (void *context, qdf_nbuf_t nbuf, uint8_t pipe_id)
2918 {
2919 	A_STATUS rc = QDF_STATUS_SUCCESS;
2920 	HTC_PACKET htc_pkt;
2921 
2922 	qdf_assert_always(pipe_id == DP_HTT_T2H_HP_PIPE);
2923 	qdf_mem_zero(&htc_pkt, sizeof(htc_pkt));
2924 	htc_pkt.Status = QDF_STATUS_SUCCESS;
2925 	htc_pkt.pPktContext = (void *)nbuf;
2926 	dp_htt_t2h_msg_handler(context, &htc_pkt);
2927 
2928 	return rc;
2929 }
2930 
2931 /*
2932  * htt_htc_soc_attach() - Register SOC level HTT instance with HTC
2933  * @htt_soc:	HTT SOC handle
2934  *
2935  * Return: 0 on success; error code on failure
2936  */
2937 static int
2938 htt_htc_soc_attach(struct htt_soc *soc)
2939 {
2940 	struct htc_service_connect_req connect;
2941 	struct htc_service_connect_resp response;
2942 	A_STATUS status;
2943 	struct dp_soc *dpsoc = soc->dp_soc;
2944 
2945 	qdf_mem_set(&connect, sizeof(connect), 0);
2946 	qdf_mem_set(&response, sizeof(response), 0);
2947 
2948 	connect.pMetaData = NULL;
2949 	connect.MetaDataLength = 0;
2950 	connect.EpCallbacks.pContext = soc;
2951 	connect.EpCallbacks.EpTxComplete = dp_htt_h2t_send_complete;
2952 	connect.EpCallbacks.EpTxCompleteMultiple = NULL;
2953 	connect.EpCallbacks.EpRecv = dp_htt_t2h_msg_handler;
2954 
2955 	/* rx buffers currently are provided by HIF, not by EpRecvRefill */
2956 	connect.EpCallbacks.EpRecvRefill = NULL;
2957 
2958 	/* N/A, fill is done by HIF */
2959 	connect.EpCallbacks.RecvRefillWaterMark = 1;
2960 
2961 	connect.EpCallbacks.EpSendFull = dp_htt_h2t_full;
2962 	/*
2963 	 * Specify how deep to let a queue get before htc_send_pkt will
2964 	 * call the EpSendFull function due to excessive send queue depth.
2965 	 */
2966 	connect.MaxSendQueueDepth = DP_HTT_MAX_SEND_QUEUE_DEPTH;
2967 
2968 	/* disable flow control for HTT data message service */
2969 	connect.ConnectionFlags |= HTC_CONNECT_FLAGS_DISABLE_CREDIT_FLOW_CTRL;
2970 
2971 	/* connect to control service */
2972 	connect.service_id = HTT_DATA_MSG_SVC;
2973 
2974 	status = htc_connect_service(soc->htc_soc, &connect, &response);
2975 
2976 	if (status != A_OK)
2977 		return QDF_STATUS_E_FAILURE;
2978 
2979 	soc->htc_endpoint = response.Endpoint;
2980 
2981 	hif_save_htc_htt_config_endpoint(dpsoc->hif_handle, soc->htc_endpoint);
2982 	dp_hif_update_pipe_callback(soc->dp_soc, (void *)soc,
2983 		dp_htt_hif_t2h_hp_callback, DP_HTT_T2H_HP_PIPE);
2984 
2985 	return 0; /* success */
2986 }
2987 
2988 /*
2989  * htt_soc_attach() - SOC level HTT initialization
2990  * @dp_soc:	Opaque Data path SOC handle
2991  * @ctrl_psoc:	Opaque ctrl SOC handle
2992  * @htc_soc:	SOC level HTC handle
2993  * @hal_soc:	Opaque HAL SOC handle
2994  * @osdev:	QDF device
2995  *
2996  * Return: HTT handle on success; NULL on failure
2997  */
2998 void *
2999 htt_soc_attach(void *dp_soc, void *ctrl_psoc, HTC_HANDLE htc_soc,
3000 	void *hal_soc, qdf_device_t osdev)
3001 {
3002 	struct htt_soc *soc;
3003 	int i;
3004 
3005 	soc = qdf_mem_malloc(sizeof(*soc));
3006 
3007 	if (!soc)
3008 		goto fail1;
3009 
3010 	soc->osdev = osdev;
3011 	soc->ctrl_psoc = ctrl_psoc;
3012 	soc->dp_soc = dp_soc;
3013 	soc->htc_soc = htc_soc;
3014 	soc->hal_soc = hal_soc;
3015 
3016 	/* TODO: See if any NSS related context is requred in htt_soc */
3017 
3018 	soc->htt_htc_pkt_freelist = NULL;
3019 
3020 	if (htt_htc_soc_attach(soc))
3021 		goto fail2;
3022 
3023 	/* TODO: See if any Rx data specific intialization is required. For
3024 	 * MCL use cases, the data will be received as single packet and
3025 	 * should not required any descriptor or reorder handling
3026 	 */
3027 
3028 	HTT_TX_MUTEX_INIT(&soc->htt_tx_mutex);
3029 
3030 	/* pre-allocate some HTC_PACKET objects */
3031 	for (i = 0; i < HTT_HTC_PKT_POOL_INIT_SIZE; i++) {
3032 		struct dp_htt_htc_pkt_union *pkt;
3033 		pkt = qdf_mem_malloc(sizeof(*pkt));
3034 		if (!pkt)
3035 			break;
3036 
3037 		htt_htc_pkt_free(soc, &pkt->u.pkt);
3038 	}
3039 
3040 	return soc;
3041 
3042 fail2:
3043 	qdf_mem_free(soc);
3044 
3045 fail1:
3046 	return NULL;
3047 }
3048 
3049 
3050 /*
3051  * htt_soc_detach() - Detach SOC level HTT
3052  * @htt_soc:	HTT SOC handle
3053  */
3054 void
3055 htt_soc_detach(void *htt_soc)
3056 {
3057 	struct htt_soc *soc = (struct htt_soc *)htt_soc;
3058 
3059 	htt_htc_misc_pkt_pool_free(soc);
3060 	htt_htc_pkt_pool_free(soc);
3061 	HTT_TX_MUTEX_DESTROY(&soc->htt_tx_mutex);
3062 	qdf_mem_free(soc);
3063 }
3064 
3065 /*
3066  * dp_get_pdev_mask_for_channel_id() - Retrieve pdev_id mask based on channel
3067  * information
3068  * @pdev - DP PDEV Handle
3069  * @channel - frequency
3070  *
3071  * Return - Pdev_id mask
3072  */
3073 static inline
3074 uint8_t dp_get_pdev_mask_for_channel_id(struct dp_pdev *pdev, uint8_t channel)
3075 {
3076 	uint8_t pdev_mask = 0;
3077 
3078 	if (!channel)
3079 		return 1 << (pdev->pdev_id + 1);
3080 
3081 	else if (channel && WLAN_CHAN_IS_5GHZ(channel))
3082 		pdev_mask = 0;
3083 
3084 	else if (channel && WLAN_CHAN_IS_2GHZ(channel))
3085 		pdev_mask = 1;
3086 
3087 	return 1 << (pdev_mask + 1);
3088 }
3089 
3090 /**
3091  * dp_h2t_ext_stats_msg_send(): function to contruct HTT message to pass to FW
3092  * @pdev: DP PDEV handle
3093  * @stats_type_upload_mask: stats type requested by user
3094  * @config_param_0: extra configuration parameters
3095  * @config_param_1: extra configuration parameters
3096  * @config_param_2: extra configuration parameters
3097  * @config_param_3: extra configuration parameters
3098  *
3099  * return: QDF STATUS
3100  */
3101 QDF_STATUS dp_h2t_ext_stats_msg_send(struct dp_pdev *pdev,
3102 		uint32_t stats_type_upload_mask, uint32_t config_param_0,
3103 		uint32_t config_param_1, uint32_t config_param_2,
3104 		uint32_t config_param_3, int cookie_val, int cookie_msb,
3105 		uint8_t channel)
3106 {
3107 	struct htt_soc *soc = pdev->soc->htt_handle;
3108 	struct dp_htt_htc_pkt *pkt;
3109 	qdf_nbuf_t msg;
3110 	uint32_t *msg_word;
3111 	uint8_t pdev_mask = 0;
3112 
3113 	msg = qdf_nbuf_alloc(
3114 			soc->osdev,
3115 			HTT_MSG_BUF_SIZE(HTT_H2T_EXT_STATS_REQ_MSG_SZ),
3116 			HTC_HEADER_LEN + HTC_HDR_ALIGNMENT_PADDING, 4, TRUE);
3117 
3118 	if (!msg)
3119 		return QDF_STATUS_E_NOMEM;
3120 
3121 	/*TODO:Add support for SOC stats
3122 	 * Bit 0: SOC Stats
3123 	 * Bit 1: Pdev stats for pdev id 0
3124 	 * Bit 2: Pdev stats for pdev id 1
3125 	 * Bit 3: Pdev stats for pdev id 2
3126 	 */
3127 	pdev_mask = dp_get_pdev_mask_for_channel_id(pdev, channel);
3128 
3129 	/*
3130 	 * Set the length of the message.
3131 	 * The contribution from the HTC_HDR_ALIGNMENT_PADDING is added
3132 	 * separately during the below call to qdf_nbuf_push_head.
3133 	 * The contribution from the HTC header is added separately inside HTC.
3134 	 */
3135 	if (qdf_nbuf_put_tail(msg, HTT_H2T_EXT_STATS_REQ_MSG_SZ) == NULL) {
3136 		QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
3137 				"Failed to expand head for HTT_EXT_STATS");
3138 		qdf_nbuf_free(msg);
3139 		return QDF_STATUS_E_FAILURE;
3140 	}
3141 
3142 	QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO,
3143 		"-----%s:%d----\n cookie <-> %d\n config_param_0 %u\n"
3144 		"config_param_1 %u\n config_param_2 %u\n"
3145 		"config_param_4 %u\n -------------\n",
3146 		__func__, __LINE__, cookie_val, config_param_0,
3147 		config_param_1, config_param_2,	config_param_3);
3148 
3149 	msg_word = (uint32_t *) qdf_nbuf_data(msg);
3150 
3151 	qdf_nbuf_push_head(msg, HTC_HDR_ALIGNMENT_PADDING);
3152 	*msg_word = 0;
3153 	HTT_H2T_MSG_TYPE_SET(*msg_word, HTT_H2T_MSG_TYPE_EXT_STATS_REQ);
3154 	HTT_H2T_EXT_STATS_REQ_PDEV_MASK_SET(*msg_word, pdev_mask);
3155 	HTT_H2T_EXT_STATS_REQ_STATS_TYPE_SET(*msg_word, stats_type_upload_mask);
3156 
3157 	/* word 1 */
3158 	msg_word++;
3159 	*msg_word = 0;
3160 	HTT_H2T_EXT_STATS_REQ_CONFIG_PARAM_SET(*msg_word, config_param_0);
3161 
3162 	/* word 2 */
3163 	msg_word++;
3164 	*msg_word = 0;
3165 	HTT_H2T_EXT_STATS_REQ_CONFIG_PARAM_SET(*msg_word, config_param_1);
3166 
3167 	/* word 3 */
3168 	msg_word++;
3169 	*msg_word = 0;
3170 	HTT_H2T_EXT_STATS_REQ_CONFIG_PARAM_SET(*msg_word, config_param_2);
3171 
3172 	/* word 4 */
3173 	msg_word++;
3174 	*msg_word = 0;
3175 	HTT_H2T_EXT_STATS_REQ_CONFIG_PARAM_SET(*msg_word, config_param_3);
3176 
3177 	HTT_H2T_EXT_STATS_REQ_CONFIG_PARAM_SET(*msg_word, 0);
3178 
3179 	/* word 5 */
3180 	msg_word++;
3181 
3182 	/* word 6 */
3183 	msg_word++;
3184 	*msg_word = 0;
3185 	HTT_H2T_EXT_STATS_REQ_CONFIG_PARAM_SET(*msg_word, cookie_val);
3186 
3187 	/* word 7 */
3188 	msg_word++;
3189 	*msg_word = 0;
3190 	/*Using last 2 bits for pdev_id */
3191 	cookie_msb = ((cookie_msb << 2) | pdev->pdev_id);
3192 	HTT_H2T_EXT_STATS_REQ_CONFIG_PARAM_SET(*msg_word, cookie_msb);
3193 
3194 	pkt = htt_htc_pkt_alloc(soc);
3195 	if (!pkt) {
3196 		qdf_nbuf_free(msg);
3197 		return QDF_STATUS_E_NOMEM;
3198 	}
3199 
3200 	pkt->soc_ctxt = NULL; /* not used during send-done callback */
3201 
3202 	SET_HTC_PACKET_INFO_TX(&pkt->htc_pkt,
3203 			dp_htt_h2t_send_complete_free_netbuf,
3204 			qdf_nbuf_data(msg), qdf_nbuf_len(msg),
3205 			soc->htc_endpoint,
3206 			1); /* tag - not relevant here */
3207 
3208 	SET_HTC_PACKET_NET_BUF_CONTEXT(&pkt->htc_pkt, msg);
3209 	DP_HTT_SEND_HTC_PKT(soc, pkt);
3210 	return 0;
3211 }
3212 
3213 /* This macro will revert once proper HTT header will define for
3214  * HTT_H2T_MSG_TYPE_PPDU_STATS_CFG in htt.h file
3215  * */
3216 #if defined(WDI_EVENT_ENABLE)
3217 /**
3218  * dp_h2t_cfg_stats_msg_send(): function to construct HTT message to pass to FW
3219  * @pdev: DP PDEV handle
3220  * @stats_type_upload_mask: stats type requested by user
3221  * @mac_id: Mac id number
3222  *
3223  * return: QDF STATUS
3224  */
3225 QDF_STATUS dp_h2t_cfg_stats_msg_send(struct dp_pdev *pdev,
3226 		uint32_t stats_type_upload_mask, uint8_t mac_id)
3227 {
3228 	struct htt_soc *soc = pdev->soc->htt_handle;
3229 	struct dp_htt_htc_pkt *pkt;
3230 	qdf_nbuf_t msg;
3231 	uint32_t *msg_word;
3232 	uint8_t pdev_mask;
3233 
3234 	msg = qdf_nbuf_alloc(
3235 			soc->osdev,
3236 			HTT_MSG_BUF_SIZE(HTT_H2T_PPDU_STATS_CFG_MSG_SZ),
3237 			HTC_HEADER_LEN + HTC_HDR_ALIGNMENT_PADDING, 4, true);
3238 
3239 	if (!msg) {
3240 		QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
3241 		"Fail to allocate HTT_H2T_PPDU_STATS_CFG_MSG_SZ msg buffer\n");
3242 		qdf_assert(0);
3243 		return QDF_STATUS_E_NOMEM;
3244 	}
3245 
3246 	/*TODO:Add support for SOC stats
3247 	 * Bit 0: SOC Stats
3248 	 * Bit 1: Pdev stats for pdev id 0
3249 	 * Bit 2: Pdev stats for pdev id 1
3250 	 * Bit 3: Pdev stats for pdev id 2
3251 	 */
3252 	pdev_mask = 1 << DP_SW2HW_MACID(mac_id);
3253 
3254 	/*
3255 	 * Set the length of the message.
3256 	 * The contribution from the HTC_HDR_ALIGNMENT_PADDING is added
3257 	 * separately during the below call to qdf_nbuf_push_head.
3258 	 * The contribution from the HTC header is added separately inside HTC.
3259 	 */
3260 	if (qdf_nbuf_put_tail(msg, HTT_H2T_PPDU_STATS_CFG_MSG_SZ) == NULL) {
3261 		QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
3262 				"Failed to expand head for HTT_CFG_STATS\n");
3263 		qdf_nbuf_free(msg);
3264 		return QDF_STATUS_E_FAILURE;
3265 	}
3266 
3267 	msg_word = (uint32_t *) qdf_nbuf_data(msg);
3268 
3269 	qdf_nbuf_push_head(msg, HTC_HDR_ALIGNMENT_PADDING);
3270 	*msg_word = 0;
3271 	HTT_H2T_MSG_TYPE_SET(*msg_word, HTT_H2T_MSG_TYPE_PPDU_STATS_CFG);
3272 	HTT_H2T_PPDU_STATS_CFG_PDEV_MASK_SET(*msg_word, pdev_mask);
3273 	HTT_H2T_PPDU_STATS_CFG_TLV_BITMASK_SET(*msg_word,
3274 			stats_type_upload_mask);
3275 
3276 	pkt = htt_htc_pkt_alloc(soc);
3277 	if (!pkt) {
3278 		QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
3279 				"Fail to allocate dp_htt_htc_pkt buffer\n");
3280 		qdf_assert(0);
3281 		qdf_nbuf_free(msg);
3282 		return QDF_STATUS_E_NOMEM;
3283 	}
3284 
3285 	pkt->soc_ctxt = NULL; /* not used during send-done callback */
3286 
3287 	SET_HTC_PACKET_INFO_TX(&pkt->htc_pkt,
3288 			dp_htt_h2t_send_complete_free_netbuf,
3289 			qdf_nbuf_data(msg), qdf_nbuf_len(msg),
3290 			soc->htc_endpoint,
3291 			1); /* tag - not relevant here */
3292 
3293 	SET_HTC_PACKET_NET_BUF_CONTEXT(&pkt->htc_pkt, msg);
3294 	DP_HTT_SEND_HTC_PKT(soc, pkt);
3295 	return 0;
3296 }
3297 #endif
3298