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) 2021-2024 Qualcomm Innovation Center, Inc. All rights reserved.
   5  */
   6
   7 #include "core.h"
   8 #include "dp_tx.h"
   9 #include "debug.h"
  10 #include "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 -EOPNOTSUPP;
 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 = ts->ack_rssi;
 357
 358                         if (!test_bit(WMI_TLV_SERVICE_HW_DB2DBM_CONVERSION_SUPPORT,
 359                                       ab->wmi_ab.svc_map))
 360                                 info->status.ack_signal += ATH11K_DEFAULT_NOISE_FLOOR;
 361
 362                         info->status.flags |=
 363                                 IEEE80211_TX_STATUS_ACK_SIGNAL_VALID;
 364                 } else {
 365                         info->flags |= IEEE80211_TX_STAT_NOACK_TRANSMITTED;
 366                 }
 367         }
 368
 369         spin_lock_bh(&ab->base_lock);
 370         peer = ath11k_peer_find_by_id(ab, ts->peer_id);
 371         if (!peer || !peer->sta) {
 372                 ath11k_dbg(ab, ATH11K_DBG_DATA,
 373                            "dp_tx: failed to find the peer with peer_id %d\n",
 374                             ts->peer_id);
 375                 spin_unlock_bh(&ab->base_lock);
 376                 ieee80211_free_txskb(ar->hw, msdu);
 377                 return;
 378         }
 379         spin_unlock_bh(&ab->base_lock);
 380
 381         status.sta = peer->sta;
 382         status.info = info;
 383         status.skb = msdu;
 384
 385         ieee80211_tx_status_ext(ar->hw, &status);
 386 }
 387
 388 static void
 389 ath11k_dp_tx_process_htt_tx_complete(struct ath11k_base *ab,
 390                                      void *desc, u8 mac_id,
 391                                      u32 msdu_id, struct dp_tx_ring *tx_ring)
 392 {
 393         struct htt_tx_wbm_completion *status_desc;
 394         struct ath11k_dp_htt_wbm_tx_status ts = {0};
 395         enum hal_wbm_htt_tx_comp_status wbm_status;
 396
 397         status_desc = desc + HTT_TX_WBM_COMP_STATUS_OFFSET;
 398
 399         wbm_status = FIELD_GET(HTT_TX_WBM_COMP_INFO0_STATUS,
 400                                status_desc->info0);
 401         switch (wbm_status) {
 402         case HAL_WBM_REL_HTT_TX_COMP_STATUS_OK:
 403         case HAL_WBM_REL_HTT_TX_COMP_STATUS_DROP:
 404         case HAL_WBM_REL_HTT_TX_COMP_STATUS_TTL:
 405                 ts.acked = (wbm_status == HAL_WBM_REL_HTT_TX_COMP_STATUS_OK);
 406                 ts.msdu_id = msdu_id;
 407                 ts.ack_rssi = FIELD_GET(HTT_TX_WBM_COMP_INFO1_ACK_RSSI,
 408                                         status_desc->info1);
 409
 410                 if (FIELD_GET(HTT_TX_WBM_COMP_INFO2_VALID, status_desc->info2))
 411                         ts.peer_id = FIELD_GET(HTT_TX_WBM_COMP_INFO2_SW_PEER_ID,
 412                                                status_desc->info2);
 413                 else
 414                         ts.peer_id = HTT_INVALID_PEER_ID;
 415
 416                 ath11k_dp_tx_htt_tx_complete_buf(ab, tx_ring, &ts);
 417
 418                 break;
 419         case HAL_WBM_REL_HTT_TX_COMP_STATUS_REINJ:
 420         case HAL_WBM_REL_HTT_TX_COMP_STATUS_INSPECT:
 421                 ath11k_dp_tx_free_txbuf(ab, mac_id, msdu_id, tx_ring);
 422                 break;
 423         case HAL_WBM_REL_HTT_TX_COMP_STATUS_MEC_NOTIFY:
 424                 /* This event is to be handled only when the driver decides to
 425                  * use WDS offload functionality.
 426                  */
 427                 break;
 428         default:
 429                 ath11k_warn(ab, "Unknown htt tx status %d\n", wbm_status);
 430                 break;
 431         }
 432 }
 433
 434 static void ath11k_dp_tx_cache_peer_stats(struct ath11k *ar,
 435                                           struct sk_buff *msdu,
 436                                           struct hal_tx_status *ts)
 437 {
 438         struct ath11k_per_peer_tx_stats *peer_stats = &ar->cached_stats;
 439
 440         if (ts->try_cnt > 1) {
 441                 peer_stats->retry_pkts += ts->try_cnt - 1;
 442                 peer_stats->retry_bytes += (ts->try_cnt - 1) * msdu->len;
 443
 444                 if (ts->status != HAL_WBM_TQM_REL_REASON_FRAME_ACKED) {
 445                         peer_stats->failed_pkts += 1;
 446                         peer_stats->failed_bytes += msdu->len;
 447                 }
 448         }
 449 }
 450
 451 void ath11k_dp_tx_update_txcompl(struct ath11k *ar, struct hal_tx_status *ts)
 452 {
 453         struct ath11k_base *ab = ar->ab;
 454         struct ath11k_per_peer_tx_stats *peer_stats = &ar->cached_stats;
 455         enum hal_tx_rate_stats_pkt_type pkt_type;
 456         enum hal_tx_rate_stats_sgi sgi;
 457         enum hal_tx_rate_stats_bw bw;
 458         struct ath11k_peer *peer;
 459         struct ath11k_sta *arsta;
 460         struct ieee80211_sta *sta;
 461         u16 rate, ru_tones;
 462         u8 mcs, rate_idx = 0, ofdma;
 463         int ret;
 464
 465         spin_lock_bh(&ab->base_lock);
 466         peer = ath11k_peer_find_by_id(ab, ts->peer_id);
 467         if (!peer || !peer->sta) {
 468                 ath11k_dbg(ab, ATH11K_DBG_DP_TX,
 469                            "failed to find the peer by id %u\n", ts->peer_id);
 470                 goto err_out;
 471         }
 472
 473         sta = peer->sta;
 474         arsta = ath11k_sta_to_arsta(sta);
 475
 476         memset(&arsta->txrate, 0, sizeof(arsta->txrate));
 477         pkt_type = FIELD_GET(HAL_TX_RATE_STATS_INFO0_PKT_TYPE,
 478                              ts->rate_stats);
 479         mcs = FIELD_GET(HAL_TX_RATE_STATS_INFO0_MCS,
 480                         ts->rate_stats);
 481         sgi = FIELD_GET(HAL_TX_RATE_STATS_INFO0_SGI,
 482                         ts->rate_stats);
 483         bw = FIELD_GET(HAL_TX_RATE_STATS_INFO0_BW, ts->rate_stats);
 484         ru_tones = FIELD_GET(HAL_TX_RATE_STATS_INFO0_TONES_IN_RU, ts->rate_stats);
 485         ofdma = FIELD_GET(HAL_TX_RATE_STATS_INFO0_OFDMA_TX, ts->rate_stats);
 486
 487         /* This is to prefer choose the real NSS value arsta->last_txrate.nss,
 488          * if it is invalid, then choose the NSS value while assoc.
 489          */
 490         if (arsta->last_txrate.nss)
 491                 arsta->txrate.nss = arsta->last_txrate.nss;
 492         else
 493                 arsta->txrate.nss = arsta->peer_nss;
 494
 495         if (pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11A ||
 496             pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11B) {
 497                 ret = ath11k_mac_hw_ratecode_to_legacy_rate(mcs,
 498                                                             pkt_type,
 499                                                             &rate_idx,
 500                                                             &rate);
 501                 if (ret < 0)
 502                         goto err_out;
 503                 arsta->txrate.legacy = rate;
 504         } else if (pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11N) {
 505                 if (mcs > 7) {
 506                         ath11k_warn(ab, "Invalid HT mcs index %d\n", mcs);
 507                         goto err_out;
 508                 }
 509
 510                 if (arsta->txrate.nss != 0)
 511                         arsta->txrate.mcs = mcs + 8 * (arsta->txrate.nss - 1);
 512                 arsta->txrate.flags = RATE_INFO_FLAGS_MCS;
 513                 if (sgi)
 514                         arsta->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
 515         } else if (pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11AC) {
 516                 if (mcs > 9) {
 517                         ath11k_warn(ab, "Invalid VHT mcs index %d\n", mcs);
 518                         goto err_out;
 519                 }
 520
 521                 arsta->txrate.mcs = mcs;
 522                 arsta->txrate.flags = RATE_INFO_FLAGS_VHT_MCS;
 523                 if (sgi)
 524                         arsta->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
 525         } else if (pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11AX) {
 526                 if (mcs > 11) {
 527                         ath11k_warn(ab, "Invalid HE mcs index %d\n", mcs);
 528                         goto err_out;
 529                 }
 530
 531                 arsta->txrate.mcs = mcs;
 532                 arsta->txrate.flags = RATE_INFO_FLAGS_HE_MCS;
 533                 arsta->txrate.he_gi = ath11k_mac_he_gi_to_nl80211_he_gi(sgi);
 534         }
 535
 536         arsta->txrate.bw = ath11k_mac_bw_to_mac80211_bw(bw);
 537         if (ofdma && pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11AX) {
 538                 arsta->txrate.bw = RATE_INFO_BW_HE_RU;
 539                 arsta->txrate.he_ru_alloc =
 540                         ath11k_mac_he_ru_tones_to_nl80211_he_ru_alloc(ru_tones);
 541         }
 542
 543         if (ath11k_debugfs_is_extd_tx_stats_enabled(ar))
 544                 ath11k_debugfs_sta_add_tx_stats(arsta, peer_stats, rate_idx);
 545
 546 err_out:
 547         spin_unlock_bh(&ab->base_lock);
 548 }
 549
 550 static void ath11k_dp_tx_complete_msdu(struct ath11k *ar,
 551                                        struct sk_buff *msdu,
 552                                        struct hal_tx_status *ts)
 553 {
 554         struct ieee80211_tx_status status = { 0 };
 555         struct ieee80211_rate_status status_rate = { 0 };
 556         struct ath11k_base *ab = ar->ab;
 557         struct ieee80211_tx_info *info;
 558         struct ath11k_skb_cb *skb_cb;
 559         struct ath11k_peer *peer;
 560         struct ath11k_sta *arsta;
 561         struct rate_info rate;
 562
 563         if (WARN_ON_ONCE(ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_TQM)) {
 564                 /* Must not happen */
 565                 return;
 566         }
 567
 568         skb_cb = ATH11K_SKB_CB(msdu);
 569
 570         dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
 571
 572         if (unlikely(!rcu_access_pointer(ab->pdevs_active[ar->pdev_idx]))) {
 573                 ieee80211_free_txskb(ar->hw, msdu);
 574                 return;
 575         }
 576
 577         if (unlikely(!skb_cb->vif)) {
 578                 ieee80211_free_txskb(ar->hw, msdu);
 579                 return;
 580         }
 581
 582         info = IEEE80211_SKB_CB(msdu);
 583         memset(&info->status, 0, sizeof(info->status));
 584
 585         /* skip tx rate update from ieee80211_status*/
 586         info->status.rates[0].idx = -1;
 587
 588         if (ts->status == HAL_WBM_TQM_REL_REASON_FRAME_ACKED &&
 589             !(info->flags & IEEE80211_TX_CTL_NO_ACK)) {
 590                 info->flags |= IEEE80211_TX_STAT_ACK;
 591                 info->status.ack_signal = ts->ack_rssi;
 592
 593                 if (!test_bit(WMI_TLV_SERVICE_HW_DB2DBM_CONVERSION_SUPPORT,
 594                               ab->wmi_ab.svc_map))
 595                         info->status.ack_signal += ATH11K_DEFAULT_NOISE_FLOOR;
 596
 597                 info->status.flags |= IEEE80211_TX_STATUS_ACK_SIGNAL_VALID;
 598         }
 599
 600         if (ts->status == HAL_WBM_TQM_REL_REASON_CMD_REMOVE_TX &&
 601             (info->flags & IEEE80211_TX_CTL_NO_ACK))
 602                 info->flags |= IEEE80211_TX_STAT_NOACK_TRANSMITTED;
 603
 604         if (unlikely(ath11k_debugfs_is_extd_tx_stats_enabled(ar)) ||
 605             ab->hw_params.single_pdev_only) {
 606                 if (ts->flags & HAL_TX_STATUS_FLAGS_FIRST_MSDU) {
 607                         if (ar->last_ppdu_id == 0) {
 608                                 ar->last_ppdu_id = ts->ppdu_id;
 609                         } else if (ar->last_ppdu_id == ts->ppdu_id ||
 610                                    ar->cached_ppdu_id == ar->last_ppdu_id) {
 611                                 ar->cached_ppdu_id = ar->last_ppdu_id;
 612                                 ar->cached_stats.is_ampdu = true;
 613                                 ath11k_dp_tx_update_txcompl(ar, ts);
 614                                 memset(&ar->cached_stats, 0,
 615                                        sizeof(struct ath11k_per_peer_tx_stats));
 616                         } else {
 617                                 ar->cached_stats.is_ampdu = false;
 618                                 ath11k_dp_tx_update_txcompl(ar, ts);
 619                                 memset(&ar->cached_stats, 0,
 620                                        sizeof(struct ath11k_per_peer_tx_stats));
 621                         }
 622                         ar->last_ppdu_id = ts->ppdu_id;
 623                 }
 624
 625                 ath11k_dp_tx_cache_peer_stats(ar, msdu, ts);
 626         }
 627
 628         spin_lock_bh(&ab->base_lock);
 629         peer = ath11k_peer_find_by_id(ab, ts->peer_id);
 630         if (!peer || !peer->sta) {
 631                 ath11k_dbg(ab, ATH11K_DBG_DATA,
 632                            "dp_tx: failed to find the peer with peer_id %d\n",
 633                             ts->peer_id);
 634                 spin_unlock_bh(&ab->base_lock);
 635                 ieee80211_free_txskb(ar->hw, msdu);
 636                 return;
 637         }
 638         arsta = ath11k_sta_to_arsta(peer->sta);
 639         status.sta = peer->sta;
 640         status.skb = msdu;
 641         status.info = info;
 642         rate = arsta->last_txrate;
 643
 644         status_rate.rate_idx = rate;
 645         status_rate.try_count = 1;
 646
 647         status.rates = &status_rate;
 648         status.n_rates = 1;
 649
 650         spin_unlock_bh(&ab->base_lock);
 651
 652         ieee80211_tx_status_ext(ar->hw, &status);
 653 }
 654
 655 static inline void ath11k_dp_tx_status_parse(struct ath11k_base *ab,
 656                                              struct hal_wbm_release_ring *desc,
 657                                              struct hal_tx_status *ts)
 658 {
 659         ts->buf_rel_source =
 660                 FIELD_GET(HAL_WBM_RELEASE_INFO0_REL_SRC_MODULE, desc->info0);
 661         if (unlikely(ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_FW &&
 662                      ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_TQM))
 663                 return;
 664
 665         if (unlikely(ts->buf_rel_source == HAL_WBM_REL_SRC_MODULE_FW))
 666                 return;
 667
 668         ts->status = FIELD_GET(HAL_WBM_RELEASE_INFO0_TQM_RELEASE_REASON,
 669                                desc->info0);
 670         ts->ppdu_id = FIELD_GET(HAL_WBM_RELEASE_INFO1_TQM_STATUS_NUMBER,
 671                                 desc->info1);
 672         ts->try_cnt = FIELD_GET(HAL_WBM_RELEASE_INFO1_TRANSMIT_COUNT,
 673                                 desc->info1);
 674         ts->ack_rssi = FIELD_GET(HAL_WBM_RELEASE_INFO2_ACK_FRAME_RSSI,
 675                                  desc->info2);
 676         if (desc->info2 & HAL_WBM_RELEASE_INFO2_FIRST_MSDU)
 677                 ts->flags |= HAL_TX_STATUS_FLAGS_FIRST_MSDU;
 678         ts->peer_id = FIELD_GET(HAL_WBM_RELEASE_INFO3_PEER_ID, desc->info3);
 679         ts->tid = FIELD_GET(HAL_WBM_RELEASE_INFO3_TID, desc->info3);
 680         if (desc->rate_stats.info0 & HAL_TX_RATE_STATS_INFO0_VALID)
 681                 ts->rate_stats = desc->rate_stats.info0;
 682         else
 683                 ts->rate_stats = 0;
 684 }
 685
 686 void ath11k_dp_tx_completion_handler(struct ath11k_base *ab, int ring_id)
 687 {
 688         struct ath11k *ar;
 689         struct ath11k_dp *dp = &ab->dp;
 690         int hal_ring_id = dp->tx_ring[ring_id].tcl_comp_ring.ring_id;
 691         struct hal_srng *status_ring = &ab->hal.srng_list[hal_ring_id];
 692         struct sk_buff *msdu;
 693         struct hal_tx_status ts = { 0 };
 694         struct dp_tx_ring *tx_ring = &dp->tx_ring[ring_id];
 695         u32 *desc;
 696         u32 msdu_id;
 697         u8 mac_id;
 698
 699         spin_lock_bh(&status_ring->lock);
 700
 701         ath11k_hal_srng_access_begin(ab, status_ring);
 702
 703         while ((ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_head) !=
 704                 tx_ring->tx_status_tail) &&
 705                (desc = ath11k_hal_srng_dst_get_next_entry(ab, status_ring))) {
 706                 memcpy(&tx_ring->tx_status[tx_ring->tx_status_head],
 707                        desc, sizeof(struct hal_wbm_release_ring));
 708                 tx_ring->tx_status_head =
 709                         ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_head);
 710         }
 711
 712         if (unlikely((ath11k_hal_srng_dst_peek(ab, status_ring) != NULL) &&
 713                      (ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_head) ==
 714                       tx_ring->tx_status_tail))) {
 715                 /* TODO: Process pending tx_status messages when kfifo_is_full() */
 716                 ath11k_warn(ab, "Unable to process some of the tx_status ring desc because status_fifo is full\n");
 717         }
 718
 719         ath11k_hal_srng_access_end(ab, status_ring);
 720
 721         spin_unlock_bh(&status_ring->lock);
 722
 723         while (ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_tail) != tx_ring->tx_status_head) {
 724                 struct hal_wbm_release_ring *tx_status;
 725                 u32 desc_id;
 726
 727                 tx_ring->tx_status_tail =
 728                         ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_tail);
 729                 tx_status = &tx_ring->tx_status[tx_ring->tx_status_tail];
 730                 ath11k_dp_tx_status_parse(ab, tx_status, &ts);
 731
 732                 desc_id = FIELD_GET(BUFFER_ADDR_INFO1_SW_COOKIE,
 733                                     tx_status->buf_addr_info.info1);
 734                 mac_id = FIELD_GET(DP_TX_DESC_ID_MAC_ID, desc_id);
 735                 msdu_id = FIELD_GET(DP_TX_DESC_ID_MSDU_ID, desc_id);
 736
 737                 if (unlikely(ts.buf_rel_source == HAL_WBM_REL_SRC_MODULE_FW)) {
 738                         ath11k_dp_tx_process_htt_tx_complete(ab,
 739                                                              (void *)tx_status,
 740                                                              mac_id, msdu_id,
 741                                                              tx_ring);
 742                         continue;
 743                 }
 744
 745                 spin_lock(&tx_ring->tx_idr_lock);
 746                 msdu = idr_remove(&tx_ring->txbuf_idr, msdu_id);
 747                 if (unlikely(!msdu)) {
 748                         ath11k_warn(ab, "tx completion for unknown msdu_id %d\n",
 749                                     msdu_id);
 750                         spin_unlock(&tx_ring->tx_idr_lock);
 751                         continue;
 752                 }
 753
 754                 spin_unlock(&tx_ring->tx_idr_lock);
 755
 756                 ar = ab->pdevs[mac_id].ar;
 757
 758                 if (atomic_dec_and_test(&ar->dp.num_tx_pending))
 759                         wake_up(&ar->dp.tx_empty_waitq);
 760
 761                 ath11k_dp_tx_complete_msdu(ar, msdu, &ts);
 762         }
 763 }
 764
 765 int ath11k_dp_tx_send_reo_cmd(struct ath11k_base *ab, struct dp_rx_tid *rx_tid,
 766                               enum hal_reo_cmd_type type,
 767                               struct ath11k_hal_reo_cmd *cmd,
 768                               void (*cb)(struct ath11k_dp *, void *,
 769                                          enum hal_reo_cmd_status))
 770 {
 771         struct ath11k_dp *dp = &ab->dp;
 772         struct dp_reo_cmd *dp_cmd;
 773         struct hal_srng *cmd_ring;
 774         int cmd_num;
 775
 776         if (test_bit(ATH11K_FLAG_CRASH_FLUSH, &ab->dev_flags))
 777                 return -ESHUTDOWN;
 778
 779         cmd_ring = &ab->hal.srng_list[dp->reo_cmd_ring.ring_id];
 780         cmd_num = ath11k_hal_reo_cmd_send(ab, cmd_ring, type, cmd);
 781
 782         /* cmd_num should start from 1, during failure return the error code */
 783         if (cmd_num < 0)
 784                 return cmd_num;
 785
 786         /* reo cmd ring descriptors has cmd_num starting from 1 */
 787         if (cmd_num == 0)
 788                 return -EINVAL;
 789
 790         if (!cb)
 791                 return 0;
 792
 793         /* Can this be optimized so that we keep the pending command list only
 794          * for tid delete command to free up the resource on the command status
 795          * indication?
 796          */
 797         dp_cmd = kzalloc(sizeof(*dp_cmd), GFP_ATOMIC);
 798
 799         if (!dp_cmd)
 800                 return -ENOMEM;
 801
 802         memcpy(&dp_cmd->data, rx_tid, sizeof(struct dp_rx_tid));
 803         dp_cmd->cmd_num = cmd_num;
 804         dp_cmd->handler = cb;
 805
 806         spin_lock_bh(&dp->reo_cmd_lock);
 807         list_add_tail(&dp_cmd->list, &dp->reo_cmd_list);
 808         spin_unlock_bh(&dp->reo_cmd_lock);
 809
 810         return 0;
 811 }
 812
 813 static int
 814 ath11k_dp_tx_get_ring_id_type(struct ath11k_base *ab,
 815                               int mac_id, u32 ring_id,
 816                               enum hal_ring_type ring_type,
 817                               enum htt_srng_ring_type *htt_ring_type,
 818                               enum htt_srng_ring_id *htt_ring_id)
 819 {
 820         int lmac_ring_id_offset = 0;
 821         int ret = 0;
 822
 823         switch (ring_type) {
 824         case HAL_RXDMA_BUF:
 825                 lmac_ring_id_offset = mac_id * HAL_SRNG_RINGS_PER_LMAC;
 826
 827                 /* for QCA6390, host fills rx buffer to fw and fw fills to
 828                  * rxbuf ring for each rxdma
 829                  */
 830                 if (!ab->hw_params.rx_mac_buf_ring) {
 831                         if (!(ring_id == (HAL_SRNG_RING_ID_WMAC1_SW2RXDMA0_BUF +
 832                                           lmac_ring_id_offset) ||
 833                                 ring_id == (HAL_SRNG_RING_ID_WMAC1_SW2RXDMA1_BUF +
 834                                         lmac_ring_id_offset))) {
 835                                 ret = -EINVAL;
 836                         }
 837                         *htt_ring_id = HTT_RXDMA_HOST_BUF_RING;
 838                         *htt_ring_type = HTT_SW_TO_HW_RING;
 839                 } else {
 840                         if (ring_id == HAL_SRNG_RING_ID_WMAC1_SW2RXDMA0_BUF) {
 841                                 *htt_ring_id = HTT_HOST1_TO_FW_RXBUF_RING;
 842                                 *htt_ring_type = HTT_SW_TO_SW_RING;
 843                         } else {
 844                                 *htt_ring_id = HTT_RXDMA_HOST_BUF_RING;
 845                                 *htt_ring_type = HTT_SW_TO_HW_RING;
 846                         }
 847                 }
 848                 break;
 849         case HAL_RXDMA_DST:
 850                 *htt_ring_id = HTT_RXDMA_NON_MONITOR_DEST_RING;
 851                 *htt_ring_type = HTT_HW_TO_SW_RING;
 852                 break;
 853         case HAL_RXDMA_MONITOR_BUF:
 854                 *htt_ring_id = HTT_RXDMA_MONITOR_BUF_RING;
 855                 *htt_ring_type = HTT_SW_TO_HW_RING;
 856                 break;
 857         case HAL_RXDMA_MONITOR_STATUS:
 858                 *htt_ring_id = HTT_RXDMA_MONITOR_STATUS_RING;
 859                 *htt_ring_type = HTT_SW_TO_HW_RING;
 860                 break;
 861         case HAL_RXDMA_MONITOR_DST:
 862                 *htt_ring_id = HTT_RXDMA_MONITOR_DEST_RING;
 863                 *htt_ring_type = HTT_HW_TO_SW_RING;
 864                 break;
 865         case HAL_RXDMA_MONITOR_DESC:
 866                 *htt_ring_id = HTT_RXDMA_MONITOR_DESC_RING;
 867                 *htt_ring_type = HTT_SW_TO_HW_RING;
 868                 break;
 869         default:
 870                 ath11k_warn(ab, "Unsupported ring type in DP :%d\n", ring_type);
 871                 ret = -EINVAL;
 872         }
 873         return ret;
 874 }
 875
 876 int ath11k_dp_tx_htt_srng_setup(struct ath11k_base *ab, u32 ring_id,
 877                                 int mac_id, enum hal_ring_type ring_type)
 878 {
 879         struct htt_srng_setup_cmd *cmd;
 880         struct hal_srng *srng = &ab->hal.srng_list[ring_id];
 881         struct hal_srng_params params;
 882         struct sk_buff *skb;
 883         u32 ring_entry_sz;
 884         int len = sizeof(*cmd);
 885         dma_addr_t hp_addr, tp_addr;
 886         enum htt_srng_ring_type htt_ring_type;
 887         enum htt_srng_ring_id htt_ring_id;
 888         int ret;
 889
 890         skb = ath11k_htc_alloc_skb(ab, len);
 891         if (!skb)
 892                 return -ENOMEM;
 893
 894         memset(&params, 0, sizeof(params));
 895         ath11k_hal_srng_get_params(ab, srng, &params);
 896
 897         hp_addr = ath11k_hal_srng_get_hp_addr(ab, srng);
 898         tp_addr = ath11k_hal_srng_get_tp_addr(ab, srng);
 899
 900         ret = ath11k_dp_tx_get_ring_id_type(ab, mac_id, ring_id,
 901                                             ring_type, &htt_ring_type,
 902                                             &htt_ring_id);
 903         if (ret)
 904                 goto err_free;
 905
 906         skb_put(skb, len);
 907         cmd = (struct htt_srng_setup_cmd *)skb->data;
 908         cmd->info0 = FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_MSG_TYPE,
 909                                 HTT_H2T_MSG_TYPE_SRING_SETUP);
 910         if (htt_ring_type == HTT_SW_TO_HW_RING ||
 911             htt_ring_type == HTT_HW_TO_SW_RING)
 912                 cmd->info0 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_PDEV_ID,
 913                                          DP_SW2HW_MACID(mac_id));
 914         else
 915                 cmd->info0 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_PDEV_ID,
 916                                          mac_id);
 917         cmd->info0 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_RING_TYPE,
 918                                  htt_ring_type);
 919         cmd->info0 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_RING_ID, htt_ring_id);
 920
 921         cmd->ring_base_addr_lo = params.ring_base_paddr &
 922                                  HAL_ADDR_LSB_REG_MASK;
 923
 924         cmd->ring_base_addr_hi = (u64)params.ring_base_paddr >>
 925                                  HAL_ADDR_MSB_REG_SHIFT;
 926
 927         ret = ath11k_hal_srng_get_entrysize(ab, ring_type);
 928         if (ret < 0)
 929                 goto err_free;
 930
 931         ring_entry_sz = ret;
 932
 933         ring_entry_sz >>= 2;
 934         cmd->info1 = FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO1_RING_ENTRY_SIZE,
 935                                 ring_entry_sz);
 936         cmd->info1 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO1_RING_SIZE,
 937                                  params.num_entries * ring_entry_sz);
 938         cmd->info1 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO1_RING_FLAGS_MSI_SWAP,
 939                                  !!(params.flags & HAL_SRNG_FLAGS_MSI_SWAP));
 940         cmd->info1 |= FIELD_PREP(
 941                         HTT_SRNG_SETUP_CMD_INFO1_RING_FLAGS_TLV_SWAP,
 942                         !!(params.flags & HAL_SRNG_FLAGS_DATA_TLV_SWAP));
 943         cmd->info1 |= FIELD_PREP(
 944                         HTT_SRNG_SETUP_CMD_INFO1_RING_FLAGS_HOST_FW_SWAP,
 945                         !!(params.flags & HAL_SRNG_FLAGS_RING_PTR_SWAP));
 946         if (htt_ring_type == HTT_SW_TO_HW_RING)
 947                 cmd->info1 |= HTT_SRNG_SETUP_CMD_INFO1_RING_LOOP_CNT_DIS;
 948
 949         cmd->ring_head_off32_remote_addr_lo = hp_addr & HAL_ADDR_LSB_REG_MASK;
 950         cmd->ring_head_off32_remote_addr_hi = (u64)hp_addr >>
 951                                               HAL_ADDR_MSB_REG_SHIFT;
 952
 953         cmd->ring_tail_off32_remote_addr_lo = tp_addr & HAL_ADDR_LSB_REG_MASK;
 954         cmd->ring_tail_off32_remote_addr_hi = (u64)tp_addr >>
 955                                               HAL_ADDR_MSB_REG_SHIFT;
 956
 957         cmd->ring_msi_addr_lo = lower_32_bits(params.msi_addr);
 958         cmd->ring_msi_addr_hi = upper_32_bits(params.msi_addr);
 959         cmd->msi_data = params.msi_data;
 960
 961         cmd->intr_info = FIELD_PREP(
 962                         HTT_SRNG_SETUP_CMD_INTR_INFO_BATCH_COUNTER_THRESH,
 963                         params.intr_batch_cntr_thres_entries * ring_entry_sz);
 964         cmd->intr_info |= FIELD_PREP(
 965                         HTT_SRNG_SETUP_CMD_INTR_INFO_INTR_TIMER_THRESH,
 966                         params.intr_timer_thres_us >> 3);
 967
 968         cmd->info2 = 0;
 969         if (params.flags & HAL_SRNG_FLAGS_LOW_THRESH_INTR_EN) {
 970                 cmd->info2 = FIELD_PREP(
 971                                 HTT_SRNG_SETUP_CMD_INFO2_INTR_LOW_THRESH,
 972                                 params.low_threshold);
 973         }
 974
 975         ath11k_dbg(ab, ATH11K_DBG_DP_TX,
 976                    "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",
 977                    cmd->ring_msi_addr_lo, cmd->ring_msi_addr_hi,
 978                    cmd->msi_data, ring_id, ring_type, cmd->intr_info, cmd->info2);
 979
 980         ret = ath11k_htc_send(&ab->htc, ab->dp.eid, skb);
 981         if (ret)
 982                 goto err_free;
 983
 984         return 0;
 985
 986 err_free:
 987         dev_kfree_skb_any(skb);
 988
 989         return ret;
 990 }
 991
 992 #define HTT_TARGET_VERSION_TIMEOUT_HZ (3 * HZ)
 993
 994 int ath11k_dp_tx_htt_h2t_ver_req_msg(struct ath11k_base *ab)
 995 {
 996         struct ath11k_dp *dp = &ab->dp;
 997         struct sk_buff *skb;
 998         struct htt_ver_req_cmd *cmd;
 999         int len = sizeof(*cmd);
1000         int ret;
1001
1002         init_completion(&dp->htt_tgt_version_received);
1003
1004         skb = ath11k_htc_alloc_skb(ab, len);
1005         if (!skb)
1006                 return -ENOMEM;
1007
1008         skb_put(skb, len);
1009         cmd = (struct htt_ver_req_cmd *)skb->data;
1010         cmd->ver_reg_info = FIELD_PREP(HTT_VER_REQ_INFO_MSG_ID,
1011                                        HTT_H2T_MSG_TYPE_VERSION_REQ);
1012
1013         ret = ath11k_htc_send(&ab->htc, dp->eid, skb);
1014         if (ret) {
1015                 dev_kfree_skb_any(skb);
1016                 return ret;
1017         }
1018
1019         ret = wait_for_completion_timeout(&dp->htt_tgt_version_received,
1020                                           HTT_TARGET_VERSION_TIMEOUT_HZ);
1021         if (ret == 0) {
1022                 ath11k_warn(ab, "htt target version request timed out\n");
1023                 return -ETIMEDOUT;
1024         }
1025
1026         if (dp->htt_tgt_ver_major != HTT_TARGET_VERSION_MAJOR) {
1027                 ath11k_err(ab, "unsupported htt major version %d supported version is %d\n",
1028                            dp->htt_tgt_ver_major, HTT_TARGET_VERSION_MAJOR);
1029                 return -EOPNOTSUPP;
1030         }
1031
1032         return 0;
1033 }
1034
1035 int ath11k_dp_tx_htt_h2t_ppdu_stats_req(struct ath11k *ar, u32 mask)
1036 {
1037         struct ath11k_base *ab = ar->ab;
1038         struct ath11k_dp *dp = &ab->dp;
1039         struct sk_buff *skb;
1040         struct htt_ppdu_stats_cfg_cmd *cmd;
1041         int len = sizeof(*cmd);
1042         u8 pdev_mask;
1043         int ret;
1044         int i;
1045
1046         for (i = 0; i < ab->hw_params.num_rxdma_per_pdev; i++) {
1047                 skb = ath11k_htc_alloc_skb(ab, len);
1048                 if (!skb)
1049                         return -ENOMEM;
1050
1051                 skb_put(skb, len);
1052                 cmd = (struct htt_ppdu_stats_cfg_cmd *)skb->data;
1053                 cmd->msg = FIELD_PREP(HTT_PPDU_STATS_CFG_MSG_TYPE,
1054                                       HTT_H2T_MSG_TYPE_PPDU_STATS_CFG);
1055
1056                 pdev_mask = 1 << (ar->pdev_idx + i);
1057                 cmd->msg |= FIELD_PREP(HTT_PPDU_STATS_CFG_PDEV_ID, pdev_mask);
1058                 cmd->msg |= FIELD_PREP(HTT_PPDU_STATS_CFG_TLV_TYPE_BITMASK, mask);
1059
1060                 ret = ath11k_htc_send(&ab->htc, dp->eid, skb);
1061                 if (ret) {
1062                         dev_kfree_skb_any(skb);
1063                         return ret;
1064                 }
1065         }
1066
1067         return 0;
1068 }
1069
1070 int ath11k_dp_tx_htt_rx_filter_setup(struct ath11k_base *ab, u32 ring_id,
1071                                      int mac_id, enum hal_ring_type ring_type,
1072                                      int rx_buf_size,
1073                                      struct htt_rx_ring_tlv_filter *tlv_filter)
1074 {
1075         struct htt_rx_ring_selection_cfg_cmd *cmd;
1076         struct hal_srng *srng = &ab->hal.srng_list[ring_id];
1077         struct hal_srng_params params;
1078         struct sk_buff *skb;
1079         int len = sizeof(*cmd);
1080         enum htt_srng_ring_type htt_ring_type;
1081         enum htt_srng_ring_id htt_ring_id;
1082         int ret;
1083
1084         skb = ath11k_htc_alloc_skb(ab, len);
1085         if (!skb)
1086                 return -ENOMEM;
1087
1088         memset(&params, 0, sizeof(params));
1089         ath11k_hal_srng_get_params(ab, srng, &params);
1090
1091         ret = ath11k_dp_tx_get_ring_id_type(ab, mac_id, ring_id,
1092                                             ring_type, &htt_ring_type,
1093                                             &htt_ring_id);
1094         if (ret)
1095                 goto err_free;
1096
1097         skb_put(skb, len);
1098         cmd = (struct htt_rx_ring_selection_cfg_cmd *)skb->data;
1099         cmd->info0 = FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_MSG_TYPE,
1100                                 HTT_H2T_MSG_TYPE_RX_RING_SELECTION_CFG);
1101         if (htt_ring_type == HTT_SW_TO_HW_RING ||
1102             htt_ring_type == HTT_HW_TO_SW_RING)
1103                 cmd->info0 |=
1104                         FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_PDEV_ID,
1105                                    DP_SW2HW_MACID(mac_id));
1106         else
1107                 cmd->info0 |=
1108                         FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_PDEV_ID,
1109                                    mac_id);
1110         cmd->info0 |= FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_RING_ID,
1111                                  htt_ring_id);
1112         cmd->info0 |= FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_SS,
1113                                  !!(params.flags & HAL_SRNG_FLAGS_MSI_SWAP));
1114         cmd->info0 |= FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_PS,
1115                                  !!(params.flags & HAL_SRNG_FLAGS_DATA_TLV_SWAP));
1116
1117         cmd->info1 = FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO1_BUF_SIZE,
1118                                 rx_buf_size);
1119         cmd->pkt_type_en_flags0 = tlv_filter->pkt_filter_flags0;
1120         cmd->pkt_type_en_flags1 = tlv_filter->pkt_filter_flags1;
1121         cmd->pkt_type_en_flags2 = tlv_filter->pkt_filter_flags2;
1122         cmd->pkt_type_en_flags3 = tlv_filter->pkt_filter_flags3;
1123         cmd->rx_filter_tlv = tlv_filter->rx_filter;
1124
1125         ret = ath11k_htc_send(&ab->htc, ab->dp.eid, skb);
1126         if (ret)
1127                 goto err_free;
1128
1129         return 0;
1130
1131 err_free:
1132         dev_kfree_skb_any(skb);
1133
1134         return ret;
1135 }
1136
1137 int
1138 ath11k_dp_tx_htt_h2t_ext_stats_req(struct ath11k *ar, u8 type,
1139                                    struct htt_ext_stats_cfg_params *cfg_params,
1140                                    u64 cookie)
1141 {
1142         struct ath11k_base *ab = ar->ab;
1143         struct ath11k_dp *dp = &ab->dp;
1144         struct sk_buff *skb;
1145         struct htt_ext_stats_cfg_cmd *cmd;
1146         u32 pdev_id;
1147         int len = sizeof(*cmd);
1148         int ret;
1149
1150         skb = ath11k_htc_alloc_skb(ab, len);
1151         if (!skb)
1152                 return -ENOMEM;
1153
1154         skb_put(skb, len);
1155
1156         cmd = (struct htt_ext_stats_cfg_cmd *)skb->data;
1157         memset(cmd, 0, sizeof(*cmd));
1158         cmd->hdr.msg_type = HTT_H2T_MSG_TYPE_EXT_STATS_CFG;
1159
1160         if (ab->hw_params.single_pdev_only)
1161                 pdev_id = ath11k_mac_get_target_pdev_id(ar);
1162         else
1163                 pdev_id = ar->pdev->pdev_id;
1164
1165         cmd->hdr.pdev_mask = 1 << pdev_id;
1166
1167         cmd->hdr.stats_type = type;
1168         cmd->cfg_param0 = cfg_params->cfg0;
1169         cmd->cfg_param1 = cfg_params->cfg1;
1170         cmd->cfg_param2 = cfg_params->cfg2;
1171         cmd->cfg_param3 = cfg_params->cfg3;
1172         cmd->cookie_lsb = lower_32_bits(cookie);
1173         cmd->cookie_msb = upper_32_bits(cookie);
1174
1175         ret = ath11k_htc_send(&ab->htc, dp->eid, skb);
1176         if (ret) {
1177                 ath11k_warn(ab, "failed to send htt type stats request: %d",
1178                             ret);
1179                 dev_kfree_skb_any(skb);
1180                 return ret;
1181         }
1182
1183         return 0;
1184 }
1185
1186 int ath11k_dp_tx_htt_monitor_mode_ring_config(struct ath11k *ar, bool reset)
1187 {
1188         struct ath11k_pdev_dp *dp = &ar->dp;
1189         struct ath11k_base *ab = ar->ab;
1190         struct htt_rx_ring_tlv_filter tlv_filter = {0};
1191         int ret = 0, ring_id = 0, i;
1192
1193         if (ab->hw_params.full_monitor_mode) {
1194                 ret = ath11k_dp_tx_htt_rx_full_mon_setup(ab,
1195                                                          dp->mac_id, !reset);
1196                 if (ret < 0) {
1197                         ath11k_err(ab, "failed to setup full monitor %d\n", ret);
1198                         return ret;
1199                 }
1200         }
1201
1202         ring_id = dp->rxdma_mon_buf_ring.refill_buf_ring.ring_id;
1203
1204         if (!reset) {
1205                 tlv_filter.rx_filter = HTT_RX_MON_FILTER_TLV_FLAGS_MON_BUF_RING;
1206                 tlv_filter.pkt_filter_flags0 =
1207                                         HTT_RX_MON_FP_MGMT_FILTER_FLAGS0 |
1208                                         HTT_RX_MON_MO_MGMT_FILTER_FLAGS0;
1209                 tlv_filter.pkt_filter_flags1 =
1210                                         HTT_RX_MON_FP_MGMT_FILTER_FLAGS1 |
1211                                         HTT_RX_MON_MO_MGMT_FILTER_FLAGS1;
1212                 tlv_filter.pkt_filter_flags2 =
1213                                         HTT_RX_MON_FP_CTRL_FILTER_FLASG2 |
1214                                         HTT_RX_MON_MO_CTRL_FILTER_FLASG2;
1215                 tlv_filter.pkt_filter_flags3 =
1216                                         HTT_RX_MON_FP_CTRL_FILTER_FLASG3 |
1217                                         HTT_RX_MON_MO_CTRL_FILTER_FLASG3 |
1218                                         HTT_RX_MON_FP_DATA_FILTER_FLASG3 |
1219                                         HTT_RX_MON_MO_DATA_FILTER_FLASG3;
1220         }
1221
1222         if (ab->hw_params.rxdma1_enable) {
1223                 ret = ath11k_dp_tx_htt_rx_filter_setup(ar->ab, ring_id, dp->mac_id,
1224                                                        HAL_RXDMA_MONITOR_BUF,
1225                                                        DP_RXDMA_REFILL_RING_SIZE,
1226                                                        &tlv_filter);
1227         } else if (!reset) {
1228                 /* set in monitor mode only */
1229                 for (i = 0; i < ab->hw_params.num_rxdma_per_pdev; i++) {
1230                         ring_id = dp->rx_mac_buf_ring[i].ring_id;
1231                         ret = ath11k_dp_tx_htt_rx_filter_setup(ar->ab, ring_id,
1232                                                                dp->mac_id + i,
1233                                                                HAL_RXDMA_BUF,
1234                                                                1024,
1235                                                                &tlv_filter);
1236                 }
1237         }
1238
1239         if (ret)
1240                 return ret;
1241
1242         for (i = 0; i < ab->hw_params.num_rxdma_per_pdev; i++) {
1243                 ring_id = dp->rx_mon_status_refill_ring[i].refill_buf_ring.ring_id;
1244                 if (!reset) {
1245                         tlv_filter.rx_filter =
1246                                         HTT_RX_MON_FILTER_TLV_FLAGS_MON_STATUS_RING;
1247                 } else {
1248                         tlv_filter = ath11k_mac_mon_status_filter_default;
1249
1250                         if (ath11k_debugfs_is_extd_rx_stats_enabled(ar))
1251                                 tlv_filter.rx_filter = ath11k_debugfs_rx_filter(ar);
1252                 }
1253
1254                 ret = ath11k_dp_tx_htt_rx_filter_setup(ab, ring_id,
1255                                                        dp->mac_id + i,
1256                                                        HAL_RXDMA_MONITOR_STATUS,
1257                                                        DP_RXDMA_REFILL_RING_SIZE,
1258                                                        &tlv_filter);
1259         }
1260
1261         if (!ar->ab->hw_params.rxdma1_enable)
1262                 mod_timer(&ar->ab->mon_reap_timer, jiffies +
1263                           msecs_to_jiffies(ATH11K_MON_TIMER_INTERVAL));
1264
1265         return ret;
1266 }
1267
1268 int ath11k_dp_tx_htt_rx_full_mon_setup(struct ath11k_base *ab, int mac_id,
1269                                        bool config)
1270 {
1271         struct htt_rx_full_monitor_mode_cfg_cmd *cmd;
1272         struct sk_buff *skb;
1273         int ret, len = sizeof(*cmd);
1274
1275         skb = ath11k_htc_alloc_skb(ab, len);
1276         if (!skb)
1277                 return -ENOMEM;
1278
1279         skb_put(skb, len);
1280         cmd = (struct htt_rx_full_monitor_mode_cfg_cmd *)skb->data;
1281         memset(cmd, 0, sizeof(*cmd));
1282         cmd->info0 = FIELD_PREP(HTT_RX_FULL_MON_MODE_CFG_CMD_INFO0_MSG_TYPE,
1283                                 HTT_H2T_MSG_TYPE_RX_FULL_MONITOR_MODE);
1284
1285         cmd->info0 |= FIELD_PREP(HTT_RX_FULL_MON_MODE_CFG_CMD_INFO0_PDEV_ID, mac_id);
1286
1287         cmd->cfg = HTT_RX_FULL_MON_MODE_CFG_CMD_CFG_ENABLE |
1288                    FIELD_PREP(HTT_RX_FULL_MON_MODE_CFG_CMD_CFG_RELEASE_RING,
1289                               HTT_RX_MON_RING_SW);
1290         if (config) {
1291                 cmd->cfg |= HTT_RX_FULL_MON_MODE_CFG_CMD_CFG_ZERO_MPDUS_END |
1292                             HTT_RX_FULL_MON_MODE_CFG_CMD_CFG_NON_ZERO_MPDUS_END;
1293         }
1294
1295         ret = ath11k_htc_send(&ab->htc, ab->dp.eid, skb);
1296         if (ret)
1297                 goto err_free;
1298
1299         return 0;
1300
1301 err_free:
1302         dev_kfree_skb_any(skb);
1303
1304         return ret;
1305 }