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   1// SPDX-License-Identifier: BSD-3-Clause-Clear
   2/*
   3 * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.
   4 * Copyright (c) 2021-2023 Qualcomm Innovation Center, Inc. All rights reserved.
   5 */
   6
   7#include "core.h"
   8#include "dp_tx.h"
   9#include "debug.h"
  10#include "debugfs_sta.h"
  11#include "hw.h"
  12#include "peer.h"
  13#include "mac.h"
  14
  15static enum hal_tcl_encap_type
  16ath11k_dp_tx_get_encap_type(struct ath11k_vif *arvif, struct sk_buff *skb)
  17{
  18	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
  19	struct ath11k_base *ab = arvif->ar->ab;
  20
  21	if (test_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags))
  22		return HAL_TCL_ENCAP_TYPE_RAW;
  23
  24	if (tx_info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP)
  25		return HAL_TCL_ENCAP_TYPE_ETHERNET;
  26
  27	return HAL_TCL_ENCAP_TYPE_NATIVE_WIFI;
  28}
  29
  30static void ath11k_dp_tx_encap_nwifi(struct sk_buff *skb)
  31{
  32	struct ieee80211_hdr *hdr = (void *)skb->data;
  33	u8 *qos_ctl;
  34
  35	if (!ieee80211_is_data_qos(hdr->frame_control))
  36		return;
  37
  38	qos_ctl = ieee80211_get_qos_ctl(hdr);
  39	memmove(skb->data + IEEE80211_QOS_CTL_LEN,
  40		skb->data, (void *)qos_ctl - (void *)skb->data);
  41	skb_pull(skb, IEEE80211_QOS_CTL_LEN);
  42
  43	hdr = (void *)skb->data;
  44	hdr->frame_control &= ~__cpu_to_le16(IEEE80211_STYPE_QOS_DATA);
  45}
  46
  47static u8 ath11k_dp_tx_get_tid(struct sk_buff *skb)
  48{
  49	struct ieee80211_hdr *hdr = (void *)skb->data;
  50	struct ath11k_skb_cb *cb = ATH11K_SKB_CB(skb);
  51
  52	if (cb->flags & ATH11K_SKB_HW_80211_ENCAP)
  53		return skb->priority & IEEE80211_QOS_CTL_TID_MASK;
  54	else if (!ieee80211_is_data_qos(hdr->frame_control))
  55		return HAL_DESC_REO_NON_QOS_TID;
  56	else
  57		return skb->priority & IEEE80211_QOS_CTL_TID_MASK;
  58}
  59
  60enum hal_encrypt_type ath11k_dp_tx_get_encrypt_type(u32 cipher)
  61{
  62	switch (cipher) {
  63	case WLAN_CIPHER_SUITE_WEP40:
  64		return HAL_ENCRYPT_TYPE_WEP_40;
  65	case WLAN_CIPHER_SUITE_WEP104:
  66		return HAL_ENCRYPT_TYPE_WEP_104;
  67	case WLAN_CIPHER_SUITE_TKIP:
  68		return HAL_ENCRYPT_TYPE_TKIP_MIC;
  69	case WLAN_CIPHER_SUITE_CCMP:
  70		return HAL_ENCRYPT_TYPE_CCMP_128;
  71	case WLAN_CIPHER_SUITE_CCMP_256:
  72		return HAL_ENCRYPT_TYPE_CCMP_256;
  73	case WLAN_CIPHER_SUITE_GCMP:
  74		return HAL_ENCRYPT_TYPE_GCMP_128;
  75	case WLAN_CIPHER_SUITE_GCMP_256:
  76		return HAL_ENCRYPT_TYPE_AES_GCMP_256;
  77	default:
  78		return HAL_ENCRYPT_TYPE_OPEN;
  79	}
  80}
  81
  82int ath11k_dp_tx(struct ath11k *ar, struct ath11k_vif *arvif,
  83		 struct ath11k_sta *arsta, struct sk_buff *skb)
  84{
  85	struct ath11k_base *ab = ar->ab;
  86	struct ath11k_dp *dp = &ab->dp;
  87	struct hal_tx_info ti = {0};
  88	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
  89	struct ath11k_skb_cb *skb_cb = ATH11K_SKB_CB(skb);
  90	struct hal_srng *tcl_ring;
  91	struct ieee80211_hdr *hdr = (void *)skb->data;
  92	struct dp_tx_ring *tx_ring;
  93	void *hal_tcl_desc;
  94	u8 pool_id;
  95	u8 hal_ring_id;
  96	int ret;
  97	u32 ring_selector = 0;
  98	u8 ring_map = 0;
  99	bool tcl_ring_retry;
 100
 101	if (unlikely(test_bit(ATH11K_FLAG_CRASH_FLUSH, &ar->ab->dev_flags)))
 102		return -ESHUTDOWN;
 103
 104	if (unlikely(!(info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP) &&
 105		     !ieee80211_is_data(hdr->frame_control)))
 106		return -ENOTSUPP;
 107
 108	pool_id = skb_get_queue_mapping(skb) & (ATH11K_HW_MAX_QUEUES - 1);
 109
 110	ring_selector = ab->hw_params.hw_ops->get_ring_selector(skb);
 111
 112tcl_ring_sel:
 113	tcl_ring_retry = false;
 114
 115	ti.ring_id = ring_selector % ab->hw_params.max_tx_ring;
 116	ti.rbm_id = ab->hw_params.hal_params->tcl2wbm_rbm_map[ti.ring_id].rbm_id;
 117
 118	ring_map |= BIT(ti.ring_id);
 119
 120	tx_ring = &dp->tx_ring[ti.ring_id];
 121
 122	spin_lock_bh(&tx_ring->tx_idr_lock);
 123	ret = idr_alloc(&tx_ring->txbuf_idr, skb, 0,
 124			DP_TX_IDR_SIZE - 1, GFP_ATOMIC);
 125	spin_unlock_bh(&tx_ring->tx_idr_lock);
 126
 127	if (unlikely(ret < 0)) {
 128		if (ring_map == (BIT(ab->hw_params.max_tx_ring) - 1) ||
 129		    !ab->hw_params.tcl_ring_retry) {
 130			atomic_inc(&ab->soc_stats.tx_err.misc_fail);
 131			return -ENOSPC;
 132		}
 133
 134		/* Check if the next ring is available */
 135		ring_selector++;
 136		goto tcl_ring_sel;
 137	}
 138
 139	ti.desc_id = FIELD_PREP(DP_TX_DESC_ID_MAC_ID, ar->pdev_idx) |
 140		     FIELD_PREP(DP_TX_DESC_ID_MSDU_ID, ret) |
 141		     FIELD_PREP(DP_TX_DESC_ID_POOL_ID, pool_id);
 142	ti.encap_type = ath11k_dp_tx_get_encap_type(arvif, skb);
 143
 144	if (ieee80211_has_a4(hdr->frame_control) &&
 145	    is_multicast_ether_addr(hdr->addr3) && arsta &&
 146	    arsta->use_4addr_set) {
 147		ti.meta_data_flags = arsta->tcl_metadata;
 148		ti.flags0 |= FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_TO_FW, 1);
 149	} else {
 150		ti.meta_data_flags = arvif->tcl_metadata;
 151	}
 152
 153	if (unlikely(ti.encap_type == HAL_TCL_ENCAP_TYPE_RAW)) {
 154		if (skb_cb->flags & ATH11K_SKB_CIPHER_SET) {
 155			ti.encrypt_type =
 156				ath11k_dp_tx_get_encrypt_type(skb_cb->cipher);
 157
 158			if (ieee80211_has_protected(hdr->frame_control))
 159				skb_put(skb, IEEE80211_CCMP_MIC_LEN);
 160		} else {
 161			ti.encrypt_type = HAL_ENCRYPT_TYPE_OPEN;
 162		}
 163	}
 164
 165	ti.addr_search_flags = arvif->hal_addr_search_flags;
 166	ti.search_type = arvif->search_type;
 167	ti.type = HAL_TCL_DESC_TYPE_BUFFER;
 168	ti.pkt_offset = 0;
 169	ti.lmac_id = ar->lmac_id;
 170	ti.bss_ast_hash = arvif->ast_hash;
 171	ti.bss_ast_idx = arvif->ast_idx;
 172	ti.dscp_tid_tbl_idx = 0;
 173
 174	if (likely(skb->ip_summed == CHECKSUM_PARTIAL &&
 175		   ti.encap_type != HAL_TCL_ENCAP_TYPE_RAW)) {
 176		ti.flags0 |= FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_IP4_CKSUM_EN, 1) |
 177			     FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_UDP4_CKSUM_EN, 1) |
 178			     FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_UDP6_CKSUM_EN, 1) |
 179			     FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_TCP4_CKSUM_EN, 1) |
 180			     FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_TCP6_CKSUM_EN, 1);
 181	}
 182
 183	if (ieee80211_vif_is_mesh(arvif->vif))
 184		ti.enable_mesh = true;
 185
 186	ti.flags1 |= FIELD_PREP(HAL_TCL_DATA_CMD_INFO2_TID_OVERWRITE, 1);
 187
 188	ti.tid = ath11k_dp_tx_get_tid(skb);
 189
 190	switch (ti.encap_type) {
 191	case HAL_TCL_ENCAP_TYPE_NATIVE_WIFI:
 192		ath11k_dp_tx_encap_nwifi(skb);
 193		break;
 194	case HAL_TCL_ENCAP_TYPE_RAW:
 195		if (!test_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags)) {
 196			ret = -EINVAL;
 197			goto fail_remove_idr;
 198		}
 199		break;
 200	case HAL_TCL_ENCAP_TYPE_ETHERNET:
 201		/* no need to encap */
 202		break;
 203	case HAL_TCL_ENCAP_TYPE_802_3:
 204	default:
 205		/* TODO: Take care of other encap modes as well */
 206		ret = -EINVAL;
 207		atomic_inc(&ab->soc_stats.tx_err.misc_fail);
 208		goto fail_remove_idr;
 209	}
 210
 211	ti.paddr = dma_map_single(ab->dev, skb->data, skb->len, DMA_TO_DEVICE);
 212	if (unlikely(dma_mapping_error(ab->dev, ti.paddr))) {
 213		atomic_inc(&ab->soc_stats.tx_err.misc_fail);
 214		ath11k_warn(ab, "failed to DMA map data Tx buffer\n");
 215		ret = -ENOMEM;
 216		goto fail_remove_idr;
 217	}
 218
 219	ti.data_len = skb->len;
 220	skb_cb->paddr = ti.paddr;
 221	skb_cb->vif = arvif->vif;
 222	skb_cb->ar = ar;
 223
 224	hal_ring_id = tx_ring->tcl_data_ring.ring_id;
 225	tcl_ring = &ab->hal.srng_list[hal_ring_id];
 226
 227	spin_lock_bh(&tcl_ring->lock);
 228
 229	ath11k_hal_srng_access_begin(ab, tcl_ring);
 230
 231	hal_tcl_desc = (void *)ath11k_hal_srng_src_get_next_entry(ab, tcl_ring);
 232	if (unlikely(!hal_tcl_desc)) {
 233		/* NOTE: It is highly unlikely we'll be running out of tcl_ring
 234		 * desc because the desc is directly enqueued onto hw queue.
 235		 */
 236		ath11k_hal_srng_access_end(ab, tcl_ring);
 237		ab->soc_stats.tx_err.desc_na[ti.ring_id]++;
 238		spin_unlock_bh(&tcl_ring->lock);
 239		ret = -ENOMEM;
 240
 241		/* Checking for available tcl descriptors in another ring in
 242		 * case of failure due to full tcl ring now, is better than
 243		 * checking this ring earlier for each pkt tx.
 244		 * Restart ring selection if some rings are not checked yet.
 245		 */
 246		if (unlikely(ring_map != (BIT(ab->hw_params.max_tx_ring)) - 1) &&
 247		    ab->hw_params.tcl_ring_retry && ab->hw_params.max_tx_ring > 1) {
 248			tcl_ring_retry = true;
 249			ring_selector++;
 250		}
 251
 252		goto fail_unmap_dma;
 253	}
 254
 255	ath11k_hal_tx_cmd_desc_setup(ab, hal_tcl_desc +
 256					 sizeof(struct hal_tlv_hdr), &ti);
 257
 258	ath11k_hal_srng_access_end(ab, tcl_ring);
 259
 260	ath11k_dp_shadow_start_timer(ab, tcl_ring, &dp->tx_ring_timer[ti.ring_id]);
 261
 262	spin_unlock_bh(&tcl_ring->lock);
 263
 264	ath11k_dbg_dump(ab, ATH11K_DBG_DP_TX, NULL, "dp tx msdu: ",
 265			skb->data, skb->len);
 266
 267	atomic_inc(&ar->dp.num_tx_pending);
 268
 269	return 0;
 270
 271fail_unmap_dma:
 272	dma_unmap_single(ab->dev, ti.paddr, ti.data_len, DMA_TO_DEVICE);
 273
 274fail_remove_idr:
 275	spin_lock_bh(&tx_ring->tx_idr_lock);
 276	idr_remove(&tx_ring->txbuf_idr,
 277		   FIELD_GET(DP_TX_DESC_ID_MSDU_ID, ti.desc_id));
 278	spin_unlock_bh(&tx_ring->tx_idr_lock);
 279
 280	if (tcl_ring_retry)
 281		goto tcl_ring_sel;
 282
 283	return ret;
 284}
 285
 286static void ath11k_dp_tx_free_txbuf(struct ath11k_base *ab, u8 mac_id,
 287				    int msdu_id,
 288				    struct dp_tx_ring *tx_ring)
 289{
 290	struct ath11k *ar;
 291	struct sk_buff *msdu;
 292	struct ath11k_skb_cb *skb_cb;
 293
 294	spin_lock(&tx_ring->tx_idr_lock);
 295	msdu = idr_remove(&tx_ring->txbuf_idr, msdu_id);
 296	spin_unlock(&tx_ring->tx_idr_lock);
 297
 298	if (unlikely(!msdu)) {
 299		ath11k_warn(ab, "tx completion for unknown msdu_id %d\n",
 300			    msdu_id);
 301		return;
 302	}
 303
 304	skb_cb = ATH11K_SKB_CB(msdu);
 305
 306	dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
 307	dev_kfree_skb_any(msdu);
 308
 309	ar = ab->pdevs[mac_id].ar;
 310	if (atomic_dec_and_test(&ar->dp.num_tx_pending))
 311		wake_up(&ar->dp.tx_empty_waitq);
 312}
 313
 314static void
 315ath11k_dp_tx_htt_tx_complete_buf(struct ath11k_base *ab,
 316				 struct dp_tx_ring *tx_ring,
 317				 struct ath11k_dp_htt_wbm_tx_status *ts)
 318{
 319	struct ieee80211_tx_status status = { 0 };
 320	struct sk_buff *msdu;
 321	struct ieee80211_tx_info *info;
 322	struct ath11k_skb_cb *skb_cb;
 323	struct ath11k *ar;
 324	struct ath11k_peer *peer;
 325
 326	spin_lock(&tx_ring->tx_idr_lock);
 327	msdu = idr_remove(&tx_ring->txbuf_idr, ts->msdu_id);
 328	spin_unlock(&tx_ring->tx_idr_lock);
 329
 330	if (unlikely(!msdu)) {
 331		ath11k_warn(ab, "htt tx completion for unknown msdu_id %d\n",
 332			    ts->msdu_id);
 333		return;
 334	}
 335
 336	skb_cb = ATH11K_SKB_CB(msdu);
 337	info = IEEE80211_SKB_CB(msdu);
 338
 339	ar = skb_cb->ar;
 340
 341	if (atomic_dec_and_test(&ar->dp.num_tx_pending))
 342		wake_up(&ar->dp.tx_empty_waitq);
 343
 344	dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
 345
 346	if (!skb_cb->vif) {
 347		ieee80211_free_txskb(ar->hw, msdu);
 348		return;
 349	}
 350
 351	memset(&info->status, 0, sizeof(info->status));
 352
 353	if (ts->acked) {
 354		if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) {
 355			info->flags |= IEEE80211_TX_STAT_ACK;
 356			info->status.ack_signal = ATH11K_DEFAULT_NOISE_FLOOR +
 357						  ts->ack_rssi;
 358			info->status.flags |=
 359				IEEE80211_TX_STATUS_ACK_SIGNAL_VALID;
 360		} else {
 361			info->flags |= IEEE80211_TX_STAT_NOACK_TRANSMITTED;
 362		}
 363	}
 364
 365	spin_lock_bh(&ab->base_lock);
 366	peer = ath11k_peer_find_by_id(ab, ts->peer_id);
 367	if (!peer || !peer->sta) {
 368		ath11k_dbg(ab, ATH11K_DBG_DATA,
 369			   "dp_tx: failed to find the peer with peer_id %d\n",
 370			    ts->peer_id);
 371		spin_unlock_bh(&ab->base_lock);
 372		ieee80211_free_txskb(ar->hw, msdu);
 373		return;
 374	}
 375	spin_unlock_bh(&ab->base_lock);
 376
 377	status.sta = peer->sta;
 378	status.info = info;
 379	status.skb = msdu;
 380
 381	ieee80211_tx_status_ext(ar->hw, &status);
 382}
 383
 384static void
 385ath11k_dp_tx_process_htt_tx_complete(struct ath11k_base *ab,
 386				     void *desc, u8 mac_id,
 387				     u32 msdu_id, struct dp_tx_ring *tx_ring)
 388{
 389	struct htt_tx_wbm_completion *status_desc;
 390	struct ath11k_dp_htt_wbm_tx_status ts = {0};
 391	enum hal_wbm_htt_tx_comp_status wbm_status;
 392
 393	status_desc = desc + HTT_TX_WBM_COMP_STATUS_OFFSET;
 394
 395	wbm_status = FIELD_GET(HTT_TX_WBM_COMP_INFO0_STATUS,
 396			       status_desc->info0);
 397	switch (wbm_status) {
 398	case HAL_WBM_REL_HTT_TX_COMP_STATUS_OK:
 399	case HAL_WBM_REL_HTT_TX_COMP_STATUS_DROP:
 400	case HAL_WBM_REL_HTT_TX_COMP_STATUS_TTL:
 401		ts.acked = (wbm_status == HAL_WBM_REL_HTT_TX_COMP_STATUS_OK);
 402		ts.msdu_id = msdu_id;
 403		ts.ack_rssi = FIELD_GET(HTT_TX_WBM_COMP_INFO1_ACK_RSSI,
 404					status_desc->info1);
 405
 406		if (FIELD_GET(HTT_TX_WBM_COMP_INFO2_VALID, status_desc->info2))
 407			ts.peer_id = FIELD_GET(HTT_TX_WBM_COMP_INFO2_SW_PEER_ID,
 408					       status_desc->info2);
 409		else
 410			ts.peer_id = HTT_INVALID_PEER_ID;
 411
 412		ath11k_dp_tx_htt_tx_complete_buf(ab, tx_ring, &ts);
 413
 414		break;
 415	case HAL_WBM_REL_HTT_TX_COMP_STATUS_REINJ:
 416	case HAL_WBM_REL_HTT_TX_COMP_STATUS_INSPECT:
 417		ath11k_dp_tx_free_txbuf(ab, mac_id, msdu_id, tx_ring);
 418		break;
 419	case HAL_WBM_REL_HTT_TX_COMP_STATUS_MEC_NOTIFY:
 420		/* This event is to be handled only when the driver decides to
 421		 * use WDS offload functionality.
 422		 */
 423		break;
 424	default:
 425		ath11k_warn(ab, "Unknown htt tx status %d\n", wbm_status);
 426		break;
 427	}
 428}
 429
 430static void ath11k_dp_tx_cache_peer_stats(struct ath11k *ar,
 431					  struct sk_buff *msdu,
 432					  struct hal_tx_status *ts)
 433{
 434	struct ath11k_per_peer_tx_stats *peer_stats = &ar->cached_stats;
 435
 436	if (ts->try_cnt > 1) {
 437		peer_stats->retry_pkts += ts->try_cnt - 1;
 438		peer_stats->retry_bytes += (ts->try_cnt - 1) * msdu->len;
 439
 440		if (ts->status != HAL_WBM_TQM_REL_REASON_FRAME_ACKED) {
 441			peer_stats->failed_pkts += 1;
 442			peer_stats->failed_bytes += msdu->len;
 443		}
 444	}
 445}
 446
 447void ath11k_dp_tx_update_txcompl(struct ath11k *ar, struct hal_tx_status *ts)
 448{
 449	struct ath11k_base *ab = ar->ab;
 450	struct ath11k_per_peer_tx_stats *peer_stats = &ar->cached_stats;
 451	enum hal_tx_rate_stats_pkt_type pkt_type;
 452	enum hal_tx_rate_stats_sgi sgi;
 453	enum hal_tx_rate_stats_bw bw;
 454	struct ath11k_peer *peer;
 455	struct ath11k_sta *arsta;
 456	struct ieee80211_sta *sta;
 457	u16 rate, ru_tones;
 458	u8 mcs, rate_idx = 0, ofdma;
 459	int ret;
 460
 461	spin_lock_bh(&ab->base_lock);
 462	peer = ath11k_peer_find_by_id(ab, ts->peer_id);
 463	if (!peer || !peer->sta) {
 464		ath11k_dbg(ab, ATH11K_DBG_DP_TX,
 465			   "failed to find the peer by id %u\n", ts->peer_id);
 466		goto err_out;
 467	}
 468
 469	sta = peer->sta;
 470	arsta = ath11k_sta_to_arsta(sta);
 471
 472	memset(&arsta->txrate, 0, sizeof(arsta->txrate));
 473	pkt_type = FIELD_GET(HAL_TX_RATE_STATS_INFO0_PKT_TYPE,
 474			     ts->rate_stats);
 475	mcs = FIELD_GET(HAL_TX_RATE_STATS_INFO0_MCS,
 476			ts->rate_stats);
 477	sgi = FIELD_GET(HAL_TX_RATE_STATS_INFO0_SGI,
 478			ts->rate_stats);
 479	bw = FIELD_GET(HAL_TX_RATE_STATS_INFO0_BW, ts->rate_stats);
 480	ru_tones = FIELD_GET(HAL_TX_RATE_STATS_INFO0_TONES_IN_RU, ts->rate_stats);
 481	ofdma = FIELD_GET(HAL_TX_RATE_STATS_INFO0_OFDMA_TX, ts->rate_stats);
 482
 483	/* This is to prefer choose the real NSS value arsta->last_txrate.nss,
 484	 * if it is invalid, then choose the NSS value while assoc.
 485	 */
 486	if (arsta->last_txrate.nss)
 487		arsta->txrate.nss = arsta->last_txrate.nss;
 488	else
 489		arsta->txrate.nss = arsta->peer_nss;
 490
 491	if (pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11A ||
 492	    pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11B) {
 493		ret = ath11k_mac_hw_ratecode_to_legacy_rate(mcs,
 494							    pkt_type,
 495							    &rate_idx,
 496							    &rate);
 497		if (ret < 0)
 498			goto err_out;
 499		arsta->txrate.legacy = rate;
 500	} else if (pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11N) {
 501		if (mcs > 7) {
 502			ath11k_warn(ab, "Invalid HT mcs index %d\n", mcs);
 503			goto err_out;
 504		}
 505
 506		if (arsta->txrate.nss != 0)
 507			arsta->txrate.mcs = mcs + 8 * (arsta->txrate.nss - 1);
 508		arsta->txrate.flags = RATE_INFO_FLAGS_MCS;
 509		if (sgi)
 510			arsta->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
 511	} else if (pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11AC) {
 512		if (mcs > 9) {
 513			ath11k_warn(ab, "Invalid VHT mcs index %d\n", mcs);
 514			goto err_out;
 515		}
 516
 517		arsta->txrate.mcs = mcs;
 518		arsta->txrate.flags = RATE_INFO_FLAGS_VHT_MCS;
 519		if (sgi)
 520			arsta->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
 521	} else if (pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11AX) {
 522		if (mcs > 11) {
 523			ath11k_warn(ab, "Invalid HE mcs index %d\n", mcs);
 524			goto err_out;
 525		}
 526
 527		arsta->txrate.mcs = mcs;
 528		arsta->txrate.flags = RATE_INFO_FLAGS_HE_MCS;
 529		arsta->txrate.he_gi = ath11k_mac_he_gi_to_nl80211_he_gi(sgi);
 530	}
 531
 532	arsta->txrate.bw = ath11k_mac_bw_to_mac80211_bw(bw);
 533	if (ofdma && pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11AX) {
 534		arsta->txrate.bw = RATE_INFO_BW_HE_RU;
 535		arsta->txrate.he_ru_alloc =
 536			ath11k_mac_he_ru_tones_to_nl80211_he_ru_alloc(ru_tones);
 537	}
 538
 539	if (ath11k_debugfs_is_extd_tx_stats_enabled(ar))
 540		ath11k_debugfs_sta_add_tx_stats(arsta, peer_stats, rate_idx);
 541
 542err_out:
 543	spin_unlock_bh(&ab->base_lock);
 544}
 545
 546static void ath11k_dp_tx_complete_msdu(struct ath11k *ar,
 547				       struct sk_buff *msdu,
 548				       struct hal_tx_status *ts)
 549{
 550	struct ieee80211_tx_status status = { 0 };
 551	struct ieee80211_rate_status status_rate = { 0 };
 552	struct ath11k_base *ab = ar->ab;
 553	struct ieee80211_tx_info *info;
 554	struct ath11k_skb_cb *skb_cb;
 555	struct ath11k_peer *peer;
 556	struct ath11k_sta *arsta;
 557	struct rate_info rate;
 558
 559	if (WARN_ON_ONCE(ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_TQM)) {
 560		/* Must not happen */
 561		return;
 562	}
 563
 564	skb_cb = ATH11K_SKB_CB(msdu);
 565
 566	dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
 567
 568	if (unlikely(!rcu_access_pointer(ab->pdevs_active[ar->pdev_idx]))) {
 569		ieee80211_free_txskb(ar->hw, msdu);
 570		return;
 571	}
 572
 573	if (unlikely(!skb_cb->vif)) {
 574		ieee80211_free_txskb(ar->hw, msdu);
 575		return;
 576	}
 577
 578	info = IEEE80211_SKB_CB(msdu);
 579	memset(&info->status, 0, sizeof(info->status));
 580
 581	/* skip tx rate update from ieee80211_status*/
 582	info->status.rates[0].idx = -1;
 583
 584	if (ts->status == HAL_WBM_TQM_REL_REASON_FRAME_ACKED &&
 585	    !(info->flags & IEEE80211_TX_CTL_NO_ACK)) {
 586		info->flags |= IEEE80211_TX_STAT_ACK;
 587		info->status.ack_signal = ATH11K_DEFAULT_NOISE_FLOOR +
 588					  ts->ack_rssi;
 589		info->status.flags |= IEEE80211_TX_STATUS_ACK_SIGNAL_VALID;
 590	}
 591
 592	if (ts->status == HAL_WBM_TQM_REL_REASON_CMD_REMOVE_TX &&
 593	    (info->flags & IEEE80211_TX_CTL_NO_ACK))
 594		info->flags |= IEEE80211_TX_STAT_NOACK_TRANSMITTED;
 595
 596	if (unlikely(ath11k_debugfs_is_extd_tx_stats_enabled(ar)) ||
 597	    ab->hw_params.single_pdev_only) {
 598		if (ts->flags & HAL_TX_STATUS_FLAGS_FIRST_MSDU) {
 599			if (ar->last_ppdu_id == 0) {
 600				ar->last_ppdu_id = ts->ppdu_id;
 601			} else if (ar->last_ppdu_id == ts->ppdu_id ||
 602				   ar->cached_ppdu_id == ar->last_ppdu_id) {
 603				ar->cached_ppdu_id = ar->last_ppdu_id;
 604				ar->cached_stats.is_ampdu = true;
 605				ath11k_dp_tx_update_txcompl(ar, ts);
 606				memset(&ar->cached_stats, 0,
 607				       sizeof(struct ath11k_per_peer_tx_stats));
 608			} else {
 609				ar->cached_stats.is_ampdu = false;
 610				ath11k_dp_tx_update_txcompl(ar, ts);
 611				memset(&ar->cached_stats, 0,
 612				       sizeof(struct ath11k_per_peer_tx_stats));
 613			}
 614			ar->last_ppdu_id = ts->ppdu_id;
 615		}
 616
 617		ath11k_dp_tx_cache_peer_stats(ar, msdu, ts);
 618	}
 619
 620	spin_lock_bh(&ab->base_lock);
 621	peer = ath11k_peer_find_by_id(ab, ts->peer_id);
 622	if (!peer || !peer->sta) {
 623		ath11k_dbg(ab, ATH11K_DBG_DATA,
 624			   "dp_tx: failed to find the peer with peer_id %d\n",
 625			    ts->peer_id);
 626		spin_unlock_bh(&ab->base_lock);
 627		ieee80211_free_txskb(ar->hw, msdu);
 628		return;
 629	}
 630	arsta = ath11k_sta_to_arsta(peer->sta);
 631	status.sta = peer->sta;
 632	status.skb = msdu;
 633	status.info = info;
 634	rate = arsta->last_txrate;
 635
 636	status_rate.rate_idx = rate;
 637	status_rate.try_count = 1;
 638
 639	status.rates = &status_rate;
 640	status.n_rates = 1;
 641
 642	spin_unlock_bh(&ab->base_lock);
 643
 644	ieee80211_tx_status_ext(ar->hw, &status);
 645}
 646
 647static inline void ath11k_dp_tx_status_parse(struct ath11k_base *ab,
 648					     struct hal_wbm_release_ring *desc,
 649					     struct hal_tx_status *ts)
 650{
 651	ts->buf_rel_source =
 652		FIELD_GET(HAL_WBM_RELEASE_INFO0_REL_SRC_MODULE, desc->info0);
 653	if (unlikely(ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_FW &&
 654		     ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_TQM))
 655		return;
 656
 657	if (unlikely(ts->buf_rel_source == HAL_WBM_REL_SRC_MODULE_FW))
 658		return;
 659
 660	ts->status = FIELD_GET(HAL_WBM_RELEASE_INFO0_TQM_RELEASE_REASON,
 661			       desc->info0);
 662	ts->ppdu_id = FIELD_GET(HAL_WBM_RELEASE_INFO1_TQM_STATUS_NUMBER,
 663				desc->info1);
 664	ts->try_cnt = FIELD_GET(HAL_WBM_RELEASE_INFO1_TRANSMIT_COUNT,
 665				desc->info1);
 666	ts->ack_rssi = FIELD_GET(HAL_WBM_RELEASE_INFO2_ACK_FRAME_RSSI,
 667				 desc->info2);
 668	if (desc->info2 & HAL_WBM_RELEASE_INFO2_FIRST_MSDU)
 669		ts->flags |= HAL_TX_STATUS_FLAGS_FIRST_MSDU;
 670	ts->peer_id = FIELD_GET(HAL_WBM_RELEASE_INFO3_PEER_ID, desc->info3);
 671	ts->tid = FIELD_GET(HAL_WBM_RELEASE_INFO3_TID, desc->info3);
 672	if (desc->rate_stats.info0 & HAL_TX_RATE_STATS_INFO0_VALID)
 673		ts->rate_stats = desc->rate_stats.info0;
 674	else
 675		ts->rate_stats = 0;
 676}
 677
 678void ath11k_dp_tx_completion_handler(struct ath11k_base *ab, int ring_id)
 679{
 680	struct ath11k *ar;
 681	struct ath11k_dp *dp = &ab->dp;
 682	int hal_ring_id = dp->tx_ring[ring_id].tcl_comp_ring.ring_id;
 683	struct hal_srng *status_ring = &ab->hal.srng_list[hal_ring_id];
 684	struct sk_buff *msdu;
 685	struct hal_tx_status ts = { 0 };
 686	struct dp_tx_ring *tx_ring = &dp->tx_ring[ring_id];
 687	u32 *desc;
 688	u32 msdu_id;
 689	u8 mac_id;
 690
 691	spin_lock_bh(&status_ring->lock);
 692
 693	ath11k_hal_srng_access_begin(ab, status_ring);
 694
 695	while ((ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_head) !=
 696		tx_ring->tx_status_tail) &&
 697	       (desc = ath11k_hal_srng_dst_get_next_entry(ab, status_ring))) {
 698		memcpy(&tx_ring->tx_status[tx_ring->tx_status_head],
 699		       desc, sizeof(struct hal_wbm_release_ring));
 700		tx_ring->tx_status_head =
 701			ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_head);
 702	}
 703
 704	if (unlikely((ath11k_hal_srng_dst_peek(ab, status_ring) != NULL) &&
 705		     (ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_head) ==
 706		      tx_ring->tx_status_tail))) {
 707		/* TODO: Process pending tx_status messages when kfifo_is_full() */
 708		ath11k_warn(ab, "Unable to process some of the tx_status ring desc because status_fifo is full\n");
 709	}
 710
 711	ath11k_hal_srng_access_end(ab, status_ring);
 712
 713	spin_unlock_bh(&status_ring->lock);
 714
 715	while (ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_tail) != tx_ring->tx_status_head) {
 716		struct hal_wbm_release_ring *tx_status;
 717		u32 desc_id;
 718
 719		tx_ring->tx_status_tail =
 720			ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_tail);
 721		tx_status = &tx_ring->tx_status[tx_ring->tx_status_tail];
 722		ath11k_dp_tx_status_parse(ab, tx_status, &ts);
 723
 724		desc_id = FIELD_GET(BUFFER_ADDR_INFO1_SW_COOKIE,
 725				    tx_status->buf_addr_info.info1);
 726		mac_id = FIELD_GET(DP_TX_DESC_ID_MAC_ID, desc_id);
 727		msdu_id = FIELD_GET(DP_TX_DESC_ID_MSDU_ID, desc_id);
 728
 729		if (unlikely(ts.buf_rel_source == HAL_WBM_REL_SRC_MODULE_FW)) {
 730			ath11k_dp_tx_process_htt_tx_complete(ab,
 731							     (void *)tx_status,
 732							     mac_id, msdu_id,
 733							     tx_ring);
 734			continue;
 735		}
 736
 737		spin_lock(&tx_ring->tx_idr_lock);
 738		msdu = idr_remove(&tx_ring->txbuf_idr, msdu_id);
 739		if (unlikely(!msdu)) {
 740			ath11k_warn(ab, "tx completion for unknown msdu_id %d\n",
 741				    msdu_id);
 742			spin_unlock(&tx_ring->tx_idr_lock);
 743			continue;
 744		}
 745
 746		spin_unlock(&tx_ring->tx_idr_lock);
 747
 748		ar = ab->pdevs[mac_id].ar;
 749
 750		if (atomic_dec_and_test(&ar->dp.num_tx_pending))
 751			wake_up(&ar->dp.tx_empty_waitq);
 752
 753		ath11k_dp_tx_complete_msdu(ar, msdu, &ts);
 754	}
 755}
 756
 757int ath11k_dp_tx_send_reo_cmd(struct ath11k_base *ab, struct dp_rx_tid *rx_tid,
 758			      enum hal_reo_cmd_type type,
 759			      struct ath11k_hal_reo_cmd *cmd,
 760			      void (*cb)(struct ath11k_dp *, void *,
 761					 enum hal_reo_cmd_status))
 762{
 763	struct ath11k_dp *dp = &ab->dp;
 764	struct dp_reo_cmd *dp_cmd;
 765	struct hal_srng *cmd_ring;
 766	int cmd_num;
 767
 768	if (test_bit(ATH11K_FLAG_CRASH_FLUSH, &ab->dev_flags))
 769		return -ESHUTDOWN;
 770
 771	cmd_ring = &ab->hal.srng_list[dp->reo_cmd_ring.ring_id];
 772	cmd_num = ath11k_hal_reo_cmd_send(ab, cmd_ring, type, cmd);
 773
 774	/* cmd_num should start from 1, during failure return the error code */
 775	if (cmd_num < 0)
 776		return cmd_num;
 777
 778	/* reo cmd ring descriptors has cmd_num starting from 1 */
 779	if (cmd_num == 0)
 780		return -EINVAL;
 781
 782	if (!cb)
 783		return 0;
 784
 785	/* Can this be optimized so that we keep the pending command list only
 786	 * for tid delete command to free up the resource on the command status
 787	 * indication?
 788	 */
 789	dp_cmd = kzalloc(sizeof(*dp_cmd), GFP_ATOMIC);
 790
 791	if (!dp_cmd)
 792		return -ENOMEM;
 793
 794	memcpy(&dp_cmd->data, rx_tid, sizeof(struct dp_rx_tid));
 795	dp_cmd->cmd_num = cmd_num;
 796	dp_cmd->handler = cb;
 797
 798	spin_lock_bh(&dp->reo_cmd_lock);
 799	list_add_tail(&dp_cmd->list, &dp->reo_cmd_list);
 800	spin_unlock_bh(&dp->reo_cmd_lock);
 801
 802	return 0;
 803}
 804
 805static int
 806ath11k_dp_tx_get_ring_id_type(struct ath11k_base *ab,
 807			      int mac_id, u32 ring_id,
 808			      enum hal_ring_type ring_type,
 809			      enum htt_srng_ring_type *htt_ring_type,
 810			      enum htt_srng_ring_id *htt_ring_id)
 811{
 812	int lmac_ring_id_offset = 0;
 813	int ret = 0;
 814
 815	switch (ring_type) {
 816	case HAL_RXDMA_BUF:
 817		lmac_ring_id_offset = mac_id * HAL_SRNG_RINGS_PER_LMAC;
 818
 819		/* for QCA6390, host fills rx buffer to fw and fw fills to
 820		 * rxbuf ring for each rxdma
 821		 */
 822		if (!ab->hw_params.rx_mac_buf_ring) {
 823			if (!(ring_id == (HAL_SRNG_RING_ID_WMAC1_SW2RXDMA0_BUF +
 824					  lmac_ring_id_offset) ||
 825				ring_id == (HAL_SRNG_RING_ID_WMAC1_SW2RXDMA1_BUF +
 826					lmac_ring_id_offset))) {
 827				ret = -EINVAL;
 828			}
 829			*htt_ring_id = HTT_RXDMA_HOST_BUF_RING;
 830			*htt_ring_type = HTT_SW_TO_HW_RING;
 831		} else {
 832			if (ring_id == HAL_SRNG_RING_ID_WMAC1_SW2RXDMA0_BUF) {
 833				*htt_ring_id = HTT_HOST1_TO_FW_RXBUF_RING;
 834				*htt_ring_type = HTT_SW_TO_SW_RING;
 835			} else {
 836				*htt_ring_id = HTT_RXDMA_HOST_BUF_RING;
 837				*htt_ring_type = HTT_SW_TO_HW_RING;
 838			}
 839		}
 840		break;
 841	case HAL_RXDMA_DST:
 842		*htt_ring_id = HTT_RXDMA_NON_MONITOR_DEST_RING;
 843		*htt_ring_type = HTT_HW_TO_SW_RING;
 844		break;
 845	case HAL_RXDMA_MONITOR_BUF:
 846		*htt_ring_id = HTT_RXDMA_MONITOR_BUF_RING;
 847		*htt_ring_type = HTT_SW_TO_HW_RING;
 848		break;
 849	case HAL_RXDMA_MONITOR_STATUS:
 850		*htt_ring_id = HTT_RXDMA_MONITOR_STATUS_RING;
 851		*htt_ring_type = HTT_SW_TO_HW_RING;
 852		break;
 853	case HAL_RXDMA_MONITOR_DST:
 854		*htt_ring_id = HTT_RXDMA_MONITOR_DEST_RING;
 855		*htt_ring_type = HTT_HW_TO_SW_RING;
 856		break;
 857	case HAL_RXDMA_MONITOR_DESC:
 858		*htt_ring_id = HTT_RXDMA_MONITOR_DESC_RING;
 859		*htt_ring_type = HTT_SW_TO_HW_RING;
 860		break;
 861	default:
 862		ath11k_warn(ab, "Unsupported ring type in DP :%d\n", ring_type);
 863		ret = -EINVAL;
 864	}
 865	return ret;
 866}
 867
 868int ath11k_dp_tx_htt_srng_setup(struct ath11k_base *ab, u32 ring_id,
 869				int mac_id, enum hal_ring_type ring_type)
 870{
 871	struct htt_srng_setup_cmd *cmd;
 872	struct hal_srng *srng = &ab->hal.srng_list[ring_id];
 873	struct hal_srng_params params;
 874	struct sk_buff *skb;
 875	u32 ring_entry_sz;
 876	int len = sizeof(*cmd);
 877	dma_addr_t hp_addr, tp_addr;
 878	enum htt_srng_ring_type htt_ring_type;
 879	enum htt_srng_ring_id htt_ring_id;
 880	int ret;
 881
 882	skb = ath11k_htc_alloc_skb(ab, len);
 883	if (!skb)
 884		return -ENOMEM;
 885
 886	memset(&params, 0, sizeof(params));
 887	ath11k_hal_srng_get_params(ab, srng, &params);
 888
 889	hp_addr = ath11k_hal_srng_get_hp_addr(ab, srng);
 890	tp_addr = ath11k_hal_srng_get_tp_addr(ab, srng);
 891
 892	ret = ath11k_dp_tx_get_ring_id_type(ab, mac_id, ring_id,
 893					    ring_type, &htt_ring_type,
 894					    &htt_ring_id);
 895	if (ret)
 896		goto err_free;
 897
 898	skb_put(skb, len);
 899	cmd = (struct htt_srng_setup_cmd *)skb->data;
 900	cmd->info0 = FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_MSG_TYPE,
 901				HTT_H2T_MSG_TYPE_SRING_SETUP);
 902	if (htt_ring_type == HTT_SW_TO_HW_RING ||
 903	    htt_ring_type == HTT_HW_TO_SW_RING)
 904		cmd->info0 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_PDEV_ID,
 905					 DP_SW2HW_MACID(mac_id));
 906	else
 907		cmd->info0 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_PDEV_ID,
 908					 mac_id);
 909	cmd->info0 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_RING_TYPE,
 910				 htt_ring_type);
 911	cmd->info0 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_RING_ID, htt_ring_id);
 912
 913	cmd->ring_base_addr_lo = params.ring_base_paddr &
 914				 HAL_ADDR_LSB_REG_MASK;
 915
 916	cmd->ring_base_addr_hi = (u64)params.ring_base_paddr >>
 917				 HAL_ADDR_MSB_REG_SHIFT;
 918
 919	ret = ath11k_hal_srng_get_entrysize(ab, ring_type);
 920	if (ret < 0)
 921		goto err_free;
 922
 923	ring_entry_sz = ret;
 924
 925	ring_entry_sz >>= 2;
 926	cmd->info1 = FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO1_RING_ENTRY_SIZE,
 927				ring_entry_sz);
 928	cmd->info1 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO1_RING_SIZE,
 929				 params.num_entries * ring_entry_sz);
 930	cmd->info1 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO1_RING_FLAGS_MSI_SWAP,
 931				 !!(params.flags & HAL_SRNG_FLAGS_MSI_SWAP));
 932	cmd->info1 |= FIELD_PREP(
 933			HTT_SRNG_SETUP_CMD_INFO1_RING_FLAGS_TLV_SWAP,
 934			!!(params.flags & HAL_SRNG_FLAGS_DATA_TLV_SWAP));
 935	cmd->info1 |= FIELD_PREP(
 936			HTT_SRNG_SETUP_CMD_INFO1_RING_FLAGS_HOST_FW_SWAP,
 937			!!(params.flags & HAL_SRNG_FLAGS_RING_PTR_SWAP));
 938	if (htt_ring_type == HTT_SW_TO_HW_RING)
 939		cmd->info1 |= HTT_SRNG_SETUP_CMD_INFO1_RING_LOOP_CNT_DIS;
 940
 941	cmd->ring_head_off32_remote_addr_lo = hp_addr & HAL_ADDR_LSB_REG_MASK;
 942	cmd->ring_head_off32_remote_addr_hi = (u64)hp_addr >>
 943					      HAL_ADDR_MSB_REG_SHIFT;
 944
 945	cmd->ring_tail_off32_remote_addr_lo = tp_addr & HAL_ADDR_LSB_REG_MASK;
 946	cmd->ring_tail_off32_remote_addr_hi = (u64)tp_addr >>
 947					      HAL_ADDR_MSB_REG_SHIFT;
 948
 949	cmd->ring_msi_addr_lo = lower_32_bits(params.msi_addr);
 950	cmd->ring_msi_addr_hi = upper_32_bits(params.msi_addr);
 951	cmd->msi_data = params.msi_data;
 952
 953	cmd->intr_info = FIELD_PREP(
 954			HTT_SRNG_SETUP_CMD_INTR_INFO_BATCH_COUNTER_THRESH,
 955			params.intr_batch_cntr_thres_entries * ring_entry_sz);
 956	cmd->intr_info |= FIELD_PREP(
 957			HTT_SRNG_SETUP_CMD_INTR_INFO_INTR_TIMER_THRESH,
 958			params.intr_timer_thres_us >> 3);
 959
 960	cmd->info2 = 0;
 961	if (params.flags & HAL_SRNG_FLAGS_LOW_THRESH_INTR_EN) {
 962		cmd->info2 = FIELD_PREP(
 963				HTT_SRNG_SETUP_CMD_INFO2_INTR_LOW_THRESH,
 964				params.low_threshold);
 965	}
 966
 967	ath11k_dbg(ab, ATH11K_DBG_DP_TX,
 968		   "htt srng setup msi_addr_lo 0x%x msi_addr_hi 0x%x msi_data 0x%x ring_id %d ring_type %d intr_info 0x%x flags 0x%x\n",
 969		   cmd->ring_msi_addr_lo, cmd->ring_msi_addr_hi,
 970		   cmd->msi_data, ring_id, ring_type, cmd->intr_info, cmd->info2);
 971
 972	ret = ath11k_htc_send(&ab->htc, ab->dp.eid, skb);
 973	if (ret)
 974		goto err_free;
 975
 976	return 0;
 977
 978err_free:
 979	dev_kfree_skb_any(skb);
 980
 981	return ret;
 982}
 983
 984#define HTT_TARGET_VERSION_TIMEOUT_HZ (3 * HZ)
 985
 986int ath11k_dp_tx_htt_h2t_ver_req_msg(struct ath11k_base *ab)
 987{
 988	struct ath11k_dp *dp = &ab->dp;
 989	struct sk_buff *skb;
 990	struct htt_ver_req_cmd *cmd;
 991	int len = sizeof(*cmd);
 992	int ret;
 993
 994	init_completion(&dp->htt_tgt_version_received);
 995
 996	skb = ath11k_htc_alloc_skb(ab, len);
 997	if (!skb)
 998		return -ENOMEM;
 999
1000	skb_put(skb, len);
1001	cmd = (struct htt_ver_req_cmd *)skb->data;
1002	cmd->ver_reg_info = FIELD_PREP(HTT_VER_REQ_INFO_MSG_ID,
1003				       HTT_H2T_MSG_TYPE_VERSION_REQ);
1004
1005	ret = ath11k_htc_send(&ab->htc, dp->eid, skb);
1006	if (ret) {
1007		dev_kfree_skb_any(skb);
1008		return ret;
1009	}
1010
1011	ret = wait_for_completion_timeout(&dp->htt_tgt_version_received,
1012					  HTT_TARGET_VERSION_TIMEOUT_HZ);
1013	if (ret == 0) {
1014		ath11k_warn(ab, "htt target version request timed out\n");
1015		return -ETIMEDOUT;
1016	}
1017
1018	if (dp->htt_tgt_ver_major != HTT_TARGET_VERSION_MAJOR) {
1019		ath11k_err(ab, "unsupported htt major version %d supported version is %d\n",
1020			   dp->htt_tgt_ver_major, HTT_TARGET_VERSION_MAJOR);
1021		return -ENOTSUPP;
1022	}
1023
1024	return 0;
1025}
1026
1027int ath11k_dp_tx_htt_h2t_ppdu_stats_req(struct ath11k *ar, u32 mask)
1028{
1029	struct ath11k_base *ab = ar->ab;
1030	struct ath11k_dp *dp = &ab->dp;
1031	struct sk_buff *skb;
1032	struct htt_ppdu_stats_cfg_cmd *cmd;
1033	int len = sizeof(*cmd);
1034	u8 pdev_mask;
1035	int ret;
1036	int i;
1037
1038	for (i = 0; i < ab->hw_params.num_rxmda_per_pdev; i++) {
1039		skb = ath11k_htc_alloc_skb(ab, len);
1040		if (!skb)
1041			return -ENOMEM;
1042
1043		skb_put(skb, len);
1044		cmd = (struct htt_ppdu_stats_cfg_cmd *)skb->data;
1045		cmd->msg = FIELD_PREP(HTT_PPDU_STATS_CFG_MSG_TYPE,
1046				      HTT_H2T_MSG_TYPE_PPDU_STATS_CFG);
1047
1048		pdev_mask = 1 << (ar->pdev_idx + i);
1049		cmd->msg |= FIELD_PREP(HTT_PPDU_STATS_CFG_PDEV_ID, pdev_mask);
1050		cmd->msg |= FIELD_PREP(HTT_PPDU_STATS_CFG_TLV_TYPE_BITMASK, mask);
1051
1052		ret = ath11k_htc_send(&ab->htc, dp->eid, skb);
1053		if (ret) {
1054			dev_kfree_skb_any(skb);
1055			return ret;
1056		}
1057	}
1058
1059	return 0;
1060}
1061
1062int ath11k_dp_tx_htt_rx_filter_setup(struct ath11k_base *ab, u32 ring_id,
1063				     int mac_id, enum hal_ring_type ring_type,
1064				     int rx_buf_size,
1065				     struct htt_rx_ring_tlv_filter *tlv_filter)
1066{
1067	struct htt_rx_ring_selection_cfg_cmd *cmd;
1068	struct hal_srng *srng = &ab->hal.srng_list[ring_id];
1069	struct hal_srng_params params;
1070	struct sk_buff *skb;
1071	int len = sizeof(*cmd);
1072	enum htt_srng_ring_type htt_ring_type;
1073	enum htt_srng_ring_id htt_ring_id;
1074	int ret;
1075
1076	skb = ath11k_htc_alloc_skb(ab, len);
1077	if (!skb)
1078		return -ENOMEM;
1079
1080	memset(&params, 0, sizeof(params));
1081	ath11k_hal_srng_get_params(ab, srng, &params);
1082
1083	ret = ath11k_dp_tx_get_ring_id_type(ab, mac_id, ring_id,
1084					    ring_type, &htt_ring_type,
1085					    &htt_ring_id);
1086	if (ret)
1087		goto err_free;
1088
1089	skb_put(skb, len);
1090	cmd = (struct htt_rx_ring_selection_cfg_cmd *)skb->data;
1091	cmd->info0 = FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_MSG_TYPE,
1092				HTT_H2T_MSG_TYPE_RX_RING_SELECTION_CFG);
1093	if (htt_ring_type == HTT_SW_TO_HW_RING ||
1094	    htt_ring_type == HTT_HW_TO_SW_RING)
1095		cmd->info0 |=
1096			FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_PDEV_ID,
1097				   DP_SW2HW_MACID(mac_id));
1098	else
1099		cmd->info0 |=
1100			FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_PDEV_ID,
1101				   mac_id);
1102	cmd->info0 |= FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_RING_ID,
1103				 htt_ring_id);
1104	cmd->info0 |= FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_SS,
1105				 !!(params.flags & HAL_SRNG_FLAGS_MSI_SWAP));
1106	cmd->info0 |= FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_PS,
1107				 !!(params.flags & HAL_SRNG_FLAGS_DATA_TLV_SWAP));
1108
1109	cmd->info1 = FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO1_BUF_SIZE,
1110				rx_buf_size);
1111	cmd->pkt_type_en_flags0 = tlv_filter->pkt_filter_flags0;
1112	cmd->pkt_type_en_flags1 = tlv_filter->pkt_filter_flags1;
1113	cmd->pkt_type_en_flags2 = tlv_filter->pkt_filter_flags2;
1114	cmd->pkt_type_en_flags3 = tlv_filter->pkt_filter_flags3;
1115	cmd->rx_filter_tlv = tlv_filter->rx_filter;
1116
1117	ret = ath11k_htc_send(&ab->htc, ab->dp.eid, skb);
1118	if (ret)
1119		goto err_free;
1120
1121	return 0;
1122
1123err_free:
1124	dev_kfree_skb_any(skb);
1125
1126	return ret;
1127}
1128
1129int
1130ath11k_dp_tx_htt_h2t_ext_stats_req(struct ath11k *ar, u8 type,
1131				   struct htt_ext_stats_cfg_params *cfg_params,
1132				   u64 cookie)
1133{
1134	struct ath11k_base *ab = ar->ab;
1135	struct ath11k_dp *dp = &ab->dp;
1136	struct sk_buff *skb;
1137	struct htt_ext_stats_cfg_cmd *cmd;
1138	u32 pdev_id;
1139	int len = sizeof(*cmd);
1140	int ret;
1141
1142	skb = ath11k_htc_alloc_skb(ab, len);
1143	if (!skb)
1144		return -ENOMEM;
1145
1146	skb_put(skb, len);
1147
1148	cmd = (struct htt_ext_stats_cfg_cmd *)skb->data;
1149	memset(cmd, 0, sizeof(*cmd));
1150	cmd->hdr.msg_type = HTT_H2T_MSG_TYPE_EXT_STATS_CFG;
1151
1152	if (ab->hw_params.single_pdev_only)
1153		pdev_id = ath11k_mac_get_target_pdev_id(ar);
1154	else
1155		pdev_id = ar->pdev->pdev_id;
1156
1157	cmd->hdr.pdev_mask = 1 << pdev_id;
1158
1159	cmd->hdr.stats_type = type;
1160	cmd->cfg_param0 = cfg_params->cfg0;
1161	cmd->cfg_param1 = cfg_params->cfg1;
1162	cmd->cfg_param2 = cfg_params->cfg2;
1163	cmd->cfg_param3 = cfg_params->cfg3;
1164	cmd->cookie_lsb = lower_32_bits(cookie);
1165	cmd->cookie_msb = upper_32_bits(cookie);
1166
1167	ret = ath11k_htc_send(&ab->htc, dp->eid, skb);
1168	if (ret) {
1169		ath11k_warn(ab, "failed to send htt type stats request: %d",
1170			    ret);
1171		dev_kfree_skb_any(skb);
1172		return ret;
1173	}
1174
1175	return 0;
1176}
1177
1178int ath11k_dp_tx_htt_monitor_mode_ring_config(struct ath11k *ar, bool reset)
1179{
1180	struct ath11k_pdev_dp *dp = &ar->dp;
1181	struct ath11k_base *ab = ar->ab;
1182	struct htt_rx_ring_tlv_filter tlv_filter = {0};
1183	int ret = 0, ring_id = 0, i;
1184
1185	if (ab->hw_params.full_monitor_mode) {
1186		ret = ath11k_dp_tx_htt_rx_full_mon_setup(ab,
1187							 dp->mac_id, !reset);
1188		if (ret < 0) {
1189			ath11k_err(ab, "failed to setup full monitor %d\n", ret);
1190			return ret;
1191		}
1192	}
1193
1194	ring_id = dp->rxdma_mon_buf_ring.refill_buf_ring.ring_id;
1195
1196	if (!reset) {
1197		tlv_filter.rx_filter = HTT_RX_MON_FILTER_TLV_FLAGS_MON_BUF_RING;
1198		tlv_filter.pkt_filter_flags0 =
1199					HTT_RX_MON_FP_MGMT_FILTER_FLAGS0 |
1200					HTT_RX_MON_MO_MGMT_FILTER_FLAGS0;
1201		tlv_filter.pkt_filter_flags1 =
1202					HTT_RX_MON_FP_MGMT_FILTER_FLAGS1 |
1203					HTT_RX_MON_MO_MGMT_FILTER_FLAGS1;
1204		tlv_filter.pkt_filter_flags2 =
1205					HTT_RX_MON_FP_CTRL_FILTER_FLASG2 |
1206					HTT_RX_MON_MO_CTRL_FILTER_FLASG2;
1207		tlv_filter.pkt_filter_flags3 =
1208					HTT_RX_MON_FP_CTRL_FILTER_FLASG3 |
1209					HTT_RX_MON_MO_CTRL_FILTER_FLASG3 |
1210					HTT_RX_MON_FP_DATA_FILTER_FLASG3 |
1211					HTT_RX_MON_MO_DATA_FILTER_FLASG3;
1212	}
1213
1214	if (ab->hw_params.rxdma1_enable) {
1215		ret = ath11k_dp_tx_htt_rx_filter_setup(ar->ab, ring_id, dp->mac_id,
1216						       HAL_RXDMA_MONITOR_BUF,
1217						       DP_RXDMA_REFILL_RING_SIZE,
1218						       &tlv_filter);
1219	} else if (!reset) {
1220		/* set in monitor mode only */
1221		for (i = 0; i < ab->hw_params.num_rxmda_per_pdev; i++) {
1222			ring_id = dp->rx_mac_buf_ring[i].ring_id;
1223			ret = ath11k_dp_tx_htt_rx_filter_setup(ar->ab, ring_id,
1224							       dp->mac_id + i,
1225							       HAL_RXDMA_BUF,
1226							       1024,
1227							       &tlv_filter);
1228		}
1229	}
1230
1231	if (ret)
1232		return ret;
1233
1234	for (i = 0; i < ab->hw_params.num_rxmda_per_pdev; i++) {
1235		ring_id = dp->rx_mon_status_refill_ring[i].refill_buf_ring.ring_id;
1236		if (!reset) {
1237			tlv_filter.rx_filter =
1238					HTT_RX_MON_FILTER_TLV_FLAGS_MON_STATUS_RING;
1239		} else {
1240			tlv_filter = ath11k_mac_mon_status_filter_default;
1241
1242			if (ath11k_debugfs_is_extd_rx_stats_enabled(ar))
1243				tlv_filter.rx_filter = ath11k_debugfs_rx_filter(ar);
1244		}
1245
1246		ret = ath11k_dp_tx_htt_rx_filter_setup(ab, ring_id,
1247						       dp->mac_id + i,
1248						       HAL_RXDMA_MONITOR_STATUS,
1249						       DP_RXDMA_REFILL_RING_SIZE,
1250						       &tlv_filter);
1251	}
1252
1253	if (!ar->ab->hw_params.rxdma1_enable)
1254		mod_timer(&ar->ab->mon_reap_timer, jiffies +
1255			  msecs_to_jiffies(ATH11K_MON_TIMER_INTERVAL));
1256
1257	return ret;
1258}
1259
1260int ath11k_dp_tx_htt_rx_full_mon_setup(struct ath11k_base *ab, int mac_id,
1261				       bool config)
1262{
1263	struct htt_rx_full_monitor_mode_cfg_cmd *cmd;
1264	struct sk_buff *skb;
1265	int ret, len = sizeof(*cmd);
1266
1267	skb = ath11k_htc_alloc_skb(ab, len);
1268	if (!skb)
1269		return -ENOMEM;
1270
1271	skb_put(skb, len);
1272	cmd = (struct htt_rx_full_monitor_mode_cfg_cmd *)skb->data;
1273	memset(cmd, 0, sizeof(*cmd));
1274	cmd->info0 = FIELD_PREP(HTT_RX_FULL_MON_MODE_CFG_CMD_INFO0_MSG_TYPE,
1275				HTT_H2T_MSG_TYPE_RX_FULL_MONITOR_MODE);
1276
1277	cmd->info0 |= FIELD_PREP(HTT_RX_FULL_MON_MODE_CFG_CMD_INFO0_PDEV_ID, mac_id);
1278
1279	cmd->cfg = HTT_RX_FULL_MON_MODE_CFG_CMD_CFG_ENABLE |
1280		   FIELD_PREP(HTT_RX_FULL_MON_MODE_CFG_CMD_CFG_RELEASE_RING,
1281			      HTT_RX_MON_RING_SW);
1282	if (config) {
1283		cmd->cfg |= HTT_RX_FULL_MON_MODE_CFG_CMD_CFG_ZERO_MPDUS_END |
1284			    HTT_RX_FULL_MON_MODE_CFG_CMD_CFG_NON_ZERO_MPDUS_END;
1285	}
1286
1287	ret = ath11k_htc_send(&ab->htc, ab->dp.eid, skb);
1288	if (ret)
1289		goto err_free;
1290
1291	return 0;
1292
1293err_free:
1294	dev_kfree_skb_any(skb);
1295
1296	return ret;
1297}