drivers/net/wireless/ath/ath11k/dp_tx.c

   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
  15 static enum hal_tcl_encap_type
  16 ath11k_dp_tx_get_encap_type(struct ath11k_vif *arvif, struct sk_buff *skb)
  17 {
  18         struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
  19         struct ath11k_base *ab = arvif->ar->ab;
  20
  21         if (test_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags))
  22                 return HAL_TCL_ENCAP_TYPE_RAW;
  23
  24         if (tx_info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP)
  25                 return HAL_TCL_ENCAP_TYPE_ETHERNET;
  26
  27         return HAL_TCL_ENCAP_TYPE_NATIVE_WIFI;
  28 }
  29
  30 static void ath11k_dp_tx_encap_nwifi(struct sk_buff *skb)
  31 {
  32         struct ieee80211_hdr *hdr = (void *)skb->data;
  33         u8 *qos_ctl;
  34
  35         if (!ieee80211_is_data_qos(hdr->frame_control))
  36                 return;
  37
  38         qos_ctl = ieee80211_get_qos_ctl(hdr);
  39         memmove(skb->data + IEEE80211_QOS_CTL_LEN,
  40                 skb->data, (void *)qos_ctl - (void *)skb->data);
  41         skb_pull(skb, IEEE80211_QOS_CTL_LEN);
  42
  43         hdr = (void *)skb->data;
  44         hdr->frame_control &= ~__cpu_to_le16(IEEE80211_STYPE_QOS_DATA);
  45 }
  46
  47 static u8 ath11k_dp_tx_get_tid(struct sk_buff *skb)
  48 {
  49         struct ieee80211_hdr *hdr = (void *)skb->data;
  50         struct ath11k_skb_cb *cb = ATH11K_SKB_CB(skb);
  51
  52         if (cb->flags & ATH11K_SKB_HW_80211_ENCAP)
  53                 return skb->priority & IEEE80211_QOS_CTL_TID_MASK;
  54         else if (!ieee80211_is_data_qos(hdr->frame_control))
  55                 return HAL_DESC_REO_NON_QOS_TID;
  56         else
  57                 return skb->priority & IEEE80211_QOS_CTL_TID_MASK;
  58 }
  59
  60 enum hal_encrypt_type ath11k_dp_tx_get_encrypt_type(u32 cipher)
  61 {
  62         switch (cipher) {
  63         case WLAN_CIPHER_SUITE_WEP40:
  64                 return HAL_ENCRYPT_TYPE_WEP_40;
  65         case WLAN_CIPHER_SUITE_WEP104:
  66                 return HAL_ENCRYPT_TYPE_WEP_104;
  67         case WLAN_CIPHER_SUITE_TKIP:
  68                 return HAL_ENCRYPT_TYPE_TKIP_MIC;
  69         case WLAN_CIPHER_SUITE_CCMP:
  70                 return HAL_ENCRYPT_TYPE_CCMP_128;
  71         case WLAN_CIPHER_SUITE_CCMP_256:
  72                 return HAL_ENCRYPT_TYPE_CCMP_256;
  73         case WLAN_CIPHER_SUITE_GCMP:
  74                 return HAL_ENCRYPT_TYPE_GCMP_128;
  75         case WLAN_CIPHER_SUITE_GCMP_256:
  76                 return HAL_ENCRYPT_TYPE_AES_GCMP_256;
  77         default:
  78                 return HAL_ENCRYPT_TYPE_OPEN;
  79         }
  80 }
  81
  82 int ath11k_dp_tx(struct ath11k *ar, struct ath11k_vif *arvif,
  83                  struct ath11k_sta *arsta, struct sk_buff *skb)
  84 {
  85         struct ath11k_base *ab = ar->ab;
  86         struct ath11k_dp *dp = &ab->dp;
  87         struct hal_tx_info ti = {0};
  88         struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
  89         struct ath11k_skb_cb *skb_cb = ATH11K_SKB_CB(skb);
  90         struct hal_srng *tcl_ring;
  91         struct ieee80211_hdr *hdr = (void *)skb->data;
  92         struct dp_tx_ring *tx_ring;
  93         void *hal_tcl_desc;
  94         u8 pool_id;
  95         u8 hal_ring_id;
  96         int ret;
  97         u32 ring_selector = 0;
  98         u8 ring_map = 0;
  99         bool tcl_ring_retry;
 100
 101         if (unlikely(test_bit(ATH11K_FLAG_CRASH_FLUSH, &ar->ab->dev_flags)))
 102                 return -ESHUTDOWN;
 103
 104         if (unlikely(!(info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP) &&
 105                      !ieee80211_is_data(hdr->frame_control)))
 106                 return -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
 112 tcl_ring_sel:
 113         tcl_ring_retry = false;
 114
 115         ti.ring_id = ring_selector % ab->hw_params.max_tx_ring;
 116         ti.rbm_id = ab->hw_params.hal_params->tcl2wbm_rbm_map[ti.ring_id].rbm_id;
 117
 118         ring_map |= BIT(ti.ring_id);
 119
 120         tx_ring = &dp->tx_ring[ti.ring_id];
 121
 122         spin_lock_bh(&tx_ring->tx_idr_lock);
 123         ret = idr_alloc(&tx_ring->txbuf_idr, skb, 0,
 124                         DP_TX_IDR_SIZE - 1, GFP_ATOMIC);
 125         spin_unlock_bh(&tx_ring->tx_idr_lock);
 126
 127         if (unlikely(ret < 0)) {
 128                 if (ring_map == (BIT(ab->hw_params.max_tx_ring) - 1) ||
 129                     !ab->hw_params.tcl_ring_retry) {
 130                         atomic_inc(&ab->soc_stats.tx_err.misc_fail);
 131                         return -ENOSPC;
 132                 }
 133
 134                 /* Check if the next ring is available */
 135                 ring_selector++;
 136                 goto tcl_ring_sel;
 137         }
 138
 139         ti.desc_id = FIELD_PREP(DP_TX_DESC_ID_MAC_ID, ar->pdev_idx) |
 140                      FIELD_PREP(DP_TX_DESC_ID_MSDU_ID, ret) |
 141                      FIELD_PREP(DP_TX_DESC_ID_POOL_ID, pool_id);
 142         ti.encap_type = ath11k_dp_tx_get_encap_type(arvif, skb);
 143
 144         if (ieee80211_has_a4(hdr->frame_control) &&
 145             is_multicast_ether_addr(hdr->addr3) && arsta &&
 146             arsta->use_4addr_set) {
 147                 ti.meta_data_flags = arsta->tcl_metadata;
 148                 ti.flags0 |= FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_TO_FW, 1);
 149         } else {
 150                 ti.meta_data_flags = arvif->tcl_metadata;
 151         }
 152
 153         if (unlikely(ti.encap_type == HAL_TCL_ENCAP_TYPE_RAW)) {
 154                 if (skb_cb->flags & ATH11K_SKB_CIPHER_SET) {
 155                         ti.encrypt_type =
 156                                 ath11k_dp_tx_get_encrypt_type(skb_cb->cipher);
 157
 158                         if (ieee80211_has_protected(hdr->frame_control))
 159                                 skb_put(skb, IEEE80211_CCMP_MIC_LEN);
 160                 } else {
 161                         ti.encrypt_type = HAL_ENCRYPT_TYPE_OPEN;
 162                 }
 163         }
 164
 165         ti.addr_search_flags = arvif->hal_addr_search_flags;
 166         ti.search_type = arvif->search_type;
 167         ti.type = HAL_TCL_DESC_TYPE_BUFFER;
 168         ti.pkt_offset = 0;
 169         ti.lmac_id = ar->lmac_id;
 170         ti.bss_ast_hash = arvif->ast_hash;
 171         ti.bss_ast_idx = arvif->ast_idx;
 172         ti.dscp_tid_tbl_idx = 0;
 173
 174         if (likely(skb->ip_summed == CHECKSUM_PARTIAL &&
 175                    ti.encap_type != HAL_TCL_ENCAP_TYPE_RAW)) {
 176                 ti.flags0 |= FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_IP4_CKSUM_EN, 1) |
 177                              FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_UDP4_CKSUM_EN, 1) |
 178                              FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_UDP6_CKSUM_EN, 1) |
 179                              FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_TCP4_CKSUM_EN, 1) |
 180                              FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_TCP6_CKSUM_EN, 1);
 181         }
 182
 183         if (ieee80211_vif_is_mesh(arvif->vif))
 184                 ti.enable_mesh = true;
 185
 186         ti.flags1 |= FIELD_PREP(HAL_TCL_DATA_CMD_INFO2_TID_OVERWRITE, 1);
 187
 188         ti.tid = ath11k_dp_tx_get_tid(skb);
 189
 190         switch (ti.encap_type) {
 191         case HAL_TCL_ENCAP_TYPE_NATIVE_WIFI:
 192                 ath11k_dp_tx_encap_nwifi(skb);
 193                 break;
 194         case HAL_TCL_ENCAP_TYPE_RAW:
 195                 if (!test_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags)) {
 196                         ret = -EINVAL;
 197                         goto fail_remove_idr;
 198                 }
 199                 break;
 200         case HAL_TCL_ENCAP_TYPE_ETHERNET:
 201                 /* no need to encap */
 202                 break;
 203         case HAL_TCL_ENCAP_TYPE_802_3:
 204         default:
 205                 /* TODO: Take care of other encap modes as well */
 206                 ret = -EINVAL;
 207                 atomic_inc(&ab->soc_stats.tx_err.misc_fail);
 208                 goto fail_remove_idr;
 209         }
 210
 211         ti.paddr = dma_map_single(ab->dev, skb->data, skb->len, DMA_TO_DEVICE);
 212         if (unlikely(dma_mapping_error(ab->dev, ti.paddr))) {
 213                 atomic_inc(&ab->soc_stats.tx_err.misc_fail);
 214                 ath11k_warn(ab, "failed to DMA map data Tx buffer\n");
 215                 ret = -ENOMEM;
 216                 goto fail_remove_idr;
 217         }
 218
 219         ti.data_len = skb->len;
 220         skb_cb->paddr = ti.paddr;
 221         skb_cb->vif = arvif->vif;
 222         skb_cb->ar = ar;
 223
 224         hal_ring_id = tx_ring->tcl_data_ring.ring_id;
 225         tcl_ring = &ab->hal.srng_list[hal_ring_id];
 226
 227         spin_lock_bh(&tcl_ring->lock);
 228
 229         ath11k_hal_srng_access_begin(ab, tcl_ring);
 230
 231         hal_tcl_desc = (void *)ath11k_hal_srng_src_get_next_entry(ab, tcl_ring);
 232         if (unlikely(!hal_tcl_desc)) {
 233                 /* NOTE: It is highly unlikely we'll be running out of tcl_ring
 234                  * desc because the desc is directly enqueued onto hw queue.
 235                  */
 236                 ath11k_hal_srng_access_end(ab, tcl_ring);
 237                 ab->soc_stats.tx_err.desc_na[ti.ring_id]++;
 238                 spin_unlock_bh(&tcl_ring->lock);
 239                 ret = -ENOMEM;
 240
 241                 /* Checking for available tcl descriptors in another ring in
 242                  * case of failure due to full tcl ring now, is better than
 243                  * checking this ring earlier for each pkt tx.
 244                  * Restart ring selection if some rings are not checked yet.
 245                  */
 246                 if (unlikely(ring_map != (BIT(ab->hw_params.max_tx_ring)) - 1) &&
 247                     ab->hw_params.tcl_ring_retry && ab->hw_params.max_tx_ring > 1) {
 248                         tcl_ring_retry = true;
 249                         ring_selector++;
 250                 }
 251
 252                 goto fail_unmap_dma;
 253         }
 254
 255         ath11k_hal_tx_cmd_desc_setup(ab, hal_tcl_desc +
 256                                          sizeof(struct hal_tlv_hdr), &ti);
 257
 258         ath11k_hal_srng_access_end(ab, tcl_ring);
 259
 260         ath11k_dp_shadow_start_timer(ab, tcl_ring, &dp->tx_ring_timer[ti.ring_id]);
 261
 262         spin_unlock_bh(&tcl_ring->lock);
 263
 264         ath11k_dbg_dump(ab, ATH11K_DBG_DP_TX, NULL, "dp tx msdu: ",
 265                         skb->data, skb->len);
 266
 267         atomic_inc(&ar->dp.num_tx_pending);
 268
 269         return 0;
 270
 271 fail_unmap_dma:
 272         dma_unmap_single(ab->dev, ti.paddr, ti.data_len, DMA_TO_DEVICE);
 273
 274 fail_remove_idr:
 275         spin_lock_bh(&tx_ring->tx_idr_lock);
 276         idr_remove(&tx_ring->txbuf_idr,
 277                    FIELD_GET(DP_TX_DESC_ID_MSDU_ID, ti.desc_id));
 278         spin_unlock_bh(&tx_ring->tx_idr_lock);
 279
 280         if (tcl_ring_retry)
 281                 goto tcl_ring_sel;
 282
 283         return ret;
 284 }
 285
 286 static void ath11k_dp_tx_free_txbuf(struct ath11k_base *ab, u8 mac_id,
 287                                     int msdu_id,
 288                                     struct dp_tx_ring *tx_ring)
 289 {
 290         struct ath11k *ar;
 291         struct sk_buff *msdu;
 292         struct ath11k_skb_cb *skb_cb;
 293
 294         spin_lock(&tx_ring->tx_idr_lock);
 295         msdu = idr_remove(&tx_ring->txbuf_idr, msdu_id);
 296         spin_unlock(&tx_ring->tx_idr_lock);
 297
 298         if (unlikely(!msdu)) {
 299                 ath11k_warn(ab, "tx completion for unknown msdu_id %d\n",
 300                             msdu_id);
 301                 return;
 302         }
 303
 304         skb_cb = ATH11K_SKB_CB(msdu);
 305
 306         dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
 307         dev_kfree_skb_any(msdu);
 308
 309         ar = ab->pdevs[mac_id].ar;
 310         if (atomic_dec_and_test(&ar->dp.num_tx_pending))
 311                 wake_up(&ar->dp.tx_empty_waitq);
 312 }
 313
 314 static void
 315 ath11k_dp_tx_htt_tx_complete_buf(struct ath11k_base *ab,
 316                                  struct dp_tx_ring *tx_ring,
 317                                  struct ath11k_dp_htt_wbm_tx_status *ts)
 318 {
 319         struct ieee80211_tx_status status = { 0 };
 320         struct sk_buff *msdu;
 321         struct ieee80211_tx_info *info;
 322         struct ath11k_skb_cb *skb_cb;
 323         struct ath11k *ar;
 324         struct ath11k_peer *peer;
 325
 326         spin_lock(&tx_ring->tx_idr_lock);
 327         msdu = idr_remove(&tx_ring->txbuf_idr, ts->msdu_id);
 328         spin_unlock(&tx_ring->tx_idr_lock);
 329
 330         if (unlikely(!msdu)) {
 331                 ath11k_warn(ab, "htt tx completion for unknown msdu_id %d\n",
 332                             ts->msdu_id);
 333                 return;
 334         }
 335
 336         skb_cb = ATH11K_SKB_CB(msdu);
 337         info = IEEE80211_SKB_CB(msdu);
 338
 339         ar = skb_cb->ar;
 340
 341         if (atomic_dec_and_test(&ar->dp.num_tx_pending))
 342                 wake_up(&ar->dp.tx_empty_waitq);
 343
 344         dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
 345
 346         if (!skb_cb->vif) {
 347                 ieee80211_free_txskb(ar->hw, msdu);
 348                 return;
 349         }
 350
 351         memset(&info->status, 0, sizeof(info->status));
 352
 353         if (ts->acked) {
 354                 if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) {
 355                         info->flags |= IEEE80211_TX_STAT_ACK;
 356                         info->status.ack_signal = 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
 384 static void
 385 ath11k_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
 430 static 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
 447 void 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
 542 err_out:
 543         spin_unlock_bh(&ab->base_lock);
 544 }
 545
 546 static 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
 647 static 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
 678 void 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
 757 int 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
 805 static int
 806 ath11k_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
 868 int 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
 978 err_free:
 979         dev_kfree_skb_any(skb);
 980
 981         return ret;
 982 }
 983
 984 #define HTT_TARGET_VERSION_TIMEOUT_HZ (3 * HZ)
 985
 986 int 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
1027 int 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
1062 int 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
1123 err_free:
1124         dev_kfree_skb_any(skb);
1125
1126         return ret;
1127 }
1128
1129 int
1130 ath11k_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
1178 int 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
1260 int 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
1293 err_free:
1294         dev_kfree_skb_any(skb);
1295
1296         return ret;
1297 }