linux/drivers/net/wireless/ath/ath11k/hal_rx.h
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   1/* SPDX-License-Identifier: BSD-3-Clause-Clear */
   2/*
   3 * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.
   4 */
   5
   6#ifndef ATH11K_HAL_RX_H
   7#define ATH11K_HAL_RX_H
   8
   9struct hal_rx_wbm_rel_info {
  10        u32 cookie;
  11        enum hal_wbm_rel_src_module err_rel_src;
  12        enum hal_reo_dest_ring_push_reason push_reason;
  13        u32 err_code;
  14        bool first_msdu;
  15        bool last_msdu;
  16};
  17
  18#define HAL_INVALID_PEERID 0xffff
  19#define VHT_SIG_SU_NSS_MASK 0x7
  20
  21#define HAL_RX_MAX_MCS 12
  22#define HAL_RX_MAX_NSS 8
  23
  24struct hal_rx_mon_status_tlv_hdr {
  25        u32 hdr;
  26        u8 value[];
  27};
  28
  29enum hal_rx_su_mu_coding {
  30        HAL_RX_SU_MU_CODING_BCC,
  31        HAL_RX_SU_MU_CODING_LDPC,
  32        HAL_RX_SU_MU_CODING_MAX,
  33};
  34
  35enum hal_rx_gi {
  36        HAL_RX_GI_0_8_US,
  37        HAL_RX_GI_0_4_US,
  38        HAL_RX_GI_1_6_US,
  39        HAL_RX_GI_3_2_US,
  40        HAL_RX_GI_MAX,
  41};
  42
  43enum hal_rx_bw {
  44        HAL_RX_BW_20MHZ,
  45        HAL_RX_BW_40MHZ,
  46        HAL_RX_BW_80MHZ,
  47        HAL_RX_BW_160MHZ,
  48        HAL_RX_BW_MAX,
  49};
  50
  51enum hal_rx_preamble {
  52        HAL_RX_PREAMBLE_11A,
  53        HAL_RX_PREAMBLE_11B,
  54        HAL_RX_PREAMBLE_11N,
  55        HAL_RX_PREAMBLE_11AC,
  56        HAL_RX_PREAMBLE_11AX,
  57        HAL_RX_PREAMBLE_MAX,
  58};
  59
  60enum hal_rx_reception_type {
  61        HAL_RX_RECEPTION_TYPE_SU,
  62        HAL_RX_RECEPTION_TYPE_MU_MIMO,
  63        HAL_RX_RECEPTION_TYPE_MU_OFDMA,
  64        HAL_RX_RECEPTION_TYPE_MU_OFDMA_MIMO,
  65        HAL_RX_RECEPTION_TYPE_MAX,
  66};
  67
  68#define HAL_TLV_STATUS_PPDU_NOT_DONE            0
  69#define HAL_TLV_STATUS_PPDU_DONE                1
  70#define HAL_TLV_STATUS_BUF_DONE                 2
  71#define HAL_TLV_STATUS_PPDU_NON_STD_DONE        3
  72#define HAL_RX_FCS_LEN                          4
  73
  74enum hal_rx_mon_status {
  75        HAL_RX_MON_STATUS_PPDU_NOT_DONE,
  76        HAL_RX_MON_STATUS_PPDU_DONE,
  77        HAL_RX_MON_STATUS_BUF_DONE,
  78};
  79
  80struct hal_rx_mon_ppdu_info {
  81        u32 ppdu_id;
  82        u32 ppdu_ts;
  83        u32 num_mpdu_fcs_ok;
  84        u32 num_mpdu_fcs_err;
  85        u32 preamble_type;
  86        u16 chan_num;
  87        u16 tcp_msdu_count;
  88        u16 tcp_ack_msdu_count;
  89        u16 udp_msdu_count;
  90        u16 other_msdu_count;
  91        u16 peer_id;
  92        u8 rate;
  93        u8 mcs;
  94        u8 nss;
  95        u8 bw;
  96        u8 is_stbc;
  97        u8 gi;
  98        u8 ldpc;
  99        u8 beamformed;
 100        u8 rssi_comb;
 101        u8 tid;
 102        u8 dcm;
 103        u8 ru_alloc;
 104        u8 reception_type;
 105        u64 rx_duration;
 106};
 107
 108#define HAL_RX_PPDU_START_INFO0_PPDU_ID         GENMASK(15, 0)
 109
 110struct hal_rx_ppdu_start {
 111        __le32 info0;
 112        __le32 chan_num;
 113        __le32 ppdu_start_ts;
 114} __packed;
 115
 116#define HAL_RX_PPDU_END_USER_STATS_INFO0_MPDU_CNT_FCS_ERR       GENMASK(25, 16)
 117
 118#define HAL_RX_PPDU_END_USER_STATS_INFO1_MPDU_CNT_FCS_OK        GENMASK(8, 0)
 119#define HAL_RX_PPDU_END_USER_STATS_INFO1_FC_VALID               BIT(9)
 120#define HAL_RX_PPDU_END_USER_STATS_INFO1_QOS_CTRL_VALID         BIT(10)
 121#define HAL_RX_PPDU_END_USER_STATS_INFO1_HT_CTRL_VALID          BIT(11)
 122#define HAL_RX_PPDU_END_USER_STATS_INFO1_PKT_TYPE               GENMASK(23, 20)
 123
 124#define HAL_RX_PPDU_END_USER_STATS_INFO2_AST_INDEX              GENMASK(15, 0)
 125#define HAL_RX_PPDU_END_USER_STATS_INFO2_FRAME_CTRL             GENMASK(31, 16)
 126
 127#define HAL_RX_PPDU_END_USER_STATS_INFO3_QOS_CTRL               GENMASK(31, 16)
 128
 129#define HAL_RX_PPDU_END_USER_STATS_INFO4_UDP_MSDU_CNT           GENMASK(15, 0)
 130#define HAL_RX_PPDU_END_USER_STATS_INFO4_TCP_MSDU_CNT           GENMASK(31, 16)
 131
 132#define HAL_RX_PPDU_END_USER_STATS_INFO5_OTHER_MSDU_CNT         GENMASK(15, 0)
 133#define HAL_RX_PPDU_END_USER_STATS_INFO5_TCP_ACK_MSDU_CNT       GENMASK(31, 16)
 134
 135#define HAL_RX_PPDU_END_USER_STATS_INFO6_TID_BITMAP             GENMASK(15, 0)
 136#define HAL_RX_PPDU_END_USER_STATS_INFO6_TID_EOSP_BITMAP        GENMASK(31, 16)
 137
 138struct hal_rx_ppdu_end_user_stats {
 139        __le32 rsvd0[2];
 140        __le32 info0;
 141        __le32 info1;
 142        __le32 info2;
 143        __le32 info3;
 144        __le32 ht_ctrl;
 145        __le32 rsvd1[2];
 146        __le32 info4;
 147        __le32 info5;
 148        __le32 info6;
 149        __le32 rsvd2[11];
 150} __packed;
 151
 152#define HAL_RX_HT_SIG_INFO_INFO0_MCS            GENMASK(6, 0)
 153#define HAL_RX_HT_SIG_INFO_INFO0_BW             BIT(7)
 154
 155#define HAL_RX_HT_SIG_INFO_INFO1_STBC           GENMASK(5, 4)
 156#define HAL_RX_HT_SIG_INFO_INFO1_FEC_CODING     BIT(6)
 157#define HAL_RX_HT_SIG_INFO_INFO1_GI             BIT(7)
 158
 159struct hal_rx_ht_sig_info {
 160        __le32 info0;
 161        __le32 info1;
 162} __packed;
 163
 164#define HAL_RX_LSIG_B_INFO_INFO0_RATE   GENMASK(3, 0)
 165#define HAL_RX_LSIG_B_INFO_INFO0_LEN    GENMASK(15, 4)
 166
 167struct hal_rx_lsig_b_info {
 168        __le32 info0;
 169} __packed;
 170
 171#define HAL_RX_LSIG_A_INFO_INFO0_RATE           GENMASK(3, 0)
 172#define HAL_RX_LSIG_A_INFO_INFO0_LEN            GENMASK(16, 5)
 173#define HAL_RX_LSIG_A_INFO_INFO0_PKT_TYPE       GENMASK(27, 24)
 174
 175struct hal_rx_lsig_a_info {
 176        __le32 info0;
 177} __packed;
 178
 179#define HAL_RX_VHT_SIG_A_INFO_INFO0_BW          GENMASK(1, 0)
 180#define HAL_RX_VHT_SIG_A_INFO_INFO0_STBC        BIT(3)
 181#define HAL_RX_VHT_SIG_A_INFO_INFO0_GROUP_ID    GENMASK(9, 4)
 182#define HAL_RX_VHT_SIG_A_INFO_INFO0_NSTS        GENMASK(21, 10)
 183
 184#define HAL_RX_VHT_SIG_A_INFO_INFO1_GI_SETTING          GENMASK(1, 0)
 185#define HAL_RX_VHT_SIG_A_INFO_INFO1_SU_MU_CODING        BIT(2)
 186#define HAL_RX_VHT_SIG_A_INFO_INFO1_MCS                 GENMASK(7, 4)
 187#define HAL_RX_VHT_SIG_A_INFO_INFO1_BEAMFORMED          BIT(8)
 188
 189struct hal_rx_vht_sig_a_info {
 190        __le32 info0;
 191        __le32 info1;
 192} __packed;
 193
 194enum hal_rx_vht_sig_a_gi_setting {
 195        HAL_RX_VHT_SIG_A_NORMAL_GI = 0,
 196        HAL_RX_VHT_SIG_A_SHORT_GI = 1,
 197        HAL_RX_VHT_SIG_A_SHORT_GI_AMBIGUITY = 3,
 198};
 199
 200#define HAL_RX_HE_SIG_A_SU_INFO_INFO0_TRANSMIT_MCS      GENMASK(6, 3)
 201#define HAL_RX_HE_SIG_A_SU_INFO_INFO0_DCM               BIT(7)
 202#define HAL_RX_HE_SIG_A_SU_INFO_INFO0_TRANSMIT_BW       GENMASK(20, 19)
 203#define HAL_RX_HE_SIG_A_SU_INFO_INFO0_CP_LTF_SIZE       GENMASK(22, 21)
 204#define HAL_RX_HE_SIG_A_SU_INFO_INFO0_NSTS              GENMASK(25, 23)
 205
 206#define HAL_RX_HE_SIG_A_SU_INFO_INFO1_CODING            BIT(7)
 207#define HAL_RX_HE_SIG_A_SU_INFO_INFO1_STBC              BIT(9)
 208#define HAL_RX_HE_SIG_A_SU_INFO_INFO1_TXBF              BIT(10)
 209
 210struct hal_rx_he_sig_a_su_info {
 211        __le32 info0;
 212        __le32 info1;
 213} __packed;
 214
 215#define HAL_RX_HE_SIG_A_MU_DL_INFO_INFO0_TRANSMIT_BW    GENMASK(17, 15)
 216#define HAL_RX_HE_SIG_A_MU_DL_INFO_INFO0_CP_LTF_SIZE    GENMASK(24, 23)
 217
 218#define HAL_RX_HE_SIG_A_MU_DL_INFO_INFO1_STBC           BIT(12)
 219
 220struct hal_rx_he_sig_a_mu_dl_info {
 221        __le32 info0;
 222        __le32 info1;
 223} __packed;
 224
 225#define HAL_RX_HE_SIG_B1_MU_INFO_INFO0_RU_ALLOCATION    GENMASK(7, 0)
 226
 227struct hal_rx_he_sig_b1_mu_info {
 228        __le32 info0;
 229} __packed;
 230
 231#define HAL_RX_HE_SIG_B2_MU_INFO_INFO0_STA_MCS          GENMASK(18, 15)
 232#define HAL_RX_HE_SIG_B2_MU_INFO_INFO0_STA_CODING       BIT(20)
 233#define HAL_RX_HE_SIG_B2_MU_INFO_INFO0_STA_NSTS         GENMASK(31, 29)
 234
 235struct hal_rx_he_sig_b2_mu_info {
 236        __le32 info0;
 237} __packed;
 238
 239#define HAL_RX_HE_SIG_B2_OFDMA_INFO_INFO0_STA_NSTS      GENMASK(13, 11)
 240#define HAL_RX_HE_SIG_B2_OFDMA_INFO_INFO0_STA_TXBF      BIT(19)
 241#define HAL_RX_HE_SIG_B2_OFDMA_INFO_INFO0_STA_MCS       GENMASK(18, 15)
 242#define HAL_RX_HE_SIG_B2_OFDMA_INFO_INFO0_STA_DCM       BIT(19)
 243#define HAL_RX_HE_SIG_B2_OFDMA_INFO_INFO0_STA_CODING    BIT(20)
 244
 245struct hal_rx_he_sig_b2_ofdma_info {
 246        __le32 info0;
 247} __packed;
 248
 249#define HAL_RX_PHYRX_RSSI_LEGACY_INFO_INFO1_RSSI_COMB   GENMASK(15, 8)
 250
 251struct hal_rx_phyrx_rssi_legacy_info {
 252        __le32 rsvd[35];
 253        __le32 info0;
 254} __packed;
 255
 256#define HAL_RX_MPDU_INFO_INFO0_PEERID   GENMASK(31, 16)
 257#define HAL_RX_MPDU_INFO_INFO0_PEERID_WCN6855   GENMASK(15, 0)
 258
 259struct hal_rx_mpdu_info {
 260        __le32 rsvd0;
 261        __le32 info0;
 262        __le32 rsvd1[21];
 263} __packed;
 264
 265struct hal_rx_mpdu_info_wcn6855 {
 266        __le32 rsvd0[8];
 267        __le32 info0;
 268        __le32 rsvd1[14];
 269} __packed;
 270
 271#define HAL_RX_PPDU_END_DURATION        GENMASK(23, 0)
 272struct hal_rx_ppdu_end_duration {
 273        __le32 rsvd0[9];
 274        __le32 info0;
 275        __le32 rsvd1[4];
 276} __packed;
 277
 278struct hal_rx_rxpcu_classification_overview {
 279        u32 rsvd0;
 280} __packed;
 281
 282struct hal_rx_msdu_desc_info {
 283        u32 msdu_flags;
 284        u16 msdu_len; /* 14 bits for length */
 285};
 286
 287#define HAL_RX_NUM_MSDU_DESC 6
 288struct hal_rx_msdu_list {
 289        struct hal_rx_msdu_desc_info msdu_info[HAL_RX_NUM_MSDU_DESC];
 290        u32 sw_cookie[HAL_RX_NUM_MSDU_DESC];
 291        u8 rbm[HAL_RX_NUM_MSDU_DESC];
 292};
 293
 294void ath11k_hal_reo_status_queue_stats(struct ath11k_base *ab, u32 *reo_desc,
 295                                       struct hal_reo_status *status);
 296void ath11k_hal_reo_flush_queue_status(struct ath11k_base *ab, u32 *reo_desc,
 297                                       struct hal_reo_status *status);
 298void ath11k_hal_reo_flush_cache_status(struct ath11k_base *ab, u32 *reo_desc,
 299                                       struct hal_reo_status *status);
 300void ath11k_hal_reo_flush_cache_status(struct ath11k_base *ab, u32 *reo_desc,
 301                                       struct hal_reo_status *status);
 302void ath11k_hal_reo_unblk_cache_status(struct ath11k_base *ab, u32 *reo_desc,
 303                                       struct hal_reo_status *status);
 304void ath11k_hal_reo_flush_timeout_list_status(struct ath11k_base *ab,
 305                                              u32 *reo_desc,
 306                                              struct hal_reo_status *status);
 307void ath11k_hal_reo_desc_thresh_reached_status(struct ath11k_base *ab,
 308                                               u32 *reo_desc,
 309                                               struct hal_reo_status *status);
 310void ath11k_hal_reo_update_rx_reo_queue_status(struct ath11k_base *ab,
 311                                               u32 *reo_desc,
 312                                               struct hal_reo_status *status);
 313int ath11k_hal_reo_process_status(u8 *reo_desc, u8 *status);
 314void ath11k_hal_rx_msdu_link_info_get(void *link_desc, u32 *num_msdus,
 315                                      u32 *msdu_cookies,
 316                                      enum hal_rx_buf_return_buf_manager *rbm);
 317void ath11k_hal_rx_msdu_link_desc_set(struct ath11k_base *ab, void *desc,
 318                                      void *link_desc,
 319                                      enum hal_wbm_rel_bm_act action);
 320void ath11k_hal_rx_buf_addr_info_set(void *desc, dma_addr_t paddr,
 321                                     u32 cookie, u8 manager);
 322void ath11k_hal_rx_buf_addr_info_get(void *desc, dma_addr_t *paddr,
 323                                     u32 *cookie, u8 *rbm);
 324int ath11k_hal_desc_reo_parse_err(struct ath11k_base *ab, u32 *rx_desc,
 325                                  dma_addr_t *paddr, u32 *desc_bank);
 326int ath11k_hal_wbm_desc_parse_err(struct ath11k_base *ab, void *desc,
 327                                  struct hal_rx_wbm_rel_info *rel_info);
 328void ath11k_hal_rx_reo_ent_paddr_get(struct ath11k_base *ab, void *desc,
 329                                     dma_addr_t *paddr, u32 *desc_bank);
 330void ath11k_hal_rx_reo_ent_buf_paddr_get(void *rx_desc,
 331                                         dma_addr_t *paddr, u32 *sw_cookie,
 332                                         void **pp_buf_addr_info, u8 *rbm,
 333                                         u32 *msdu_cnt);
 334enum hal_rx_mon_status
 335ath11k_hal_rx_parse_mon_status(struct ath11k_base *ab,
 336                               struct hal_rx_mon_ppdu_info *ppdu_info,
 337                               struct sk_buff *skb);
 338
 339static inline u32 ath11k_he_ru_tones_to_nl80211_he_ru_alloc(u16 ru_tones)
 340{
 341        u32 ret = 0;
 342
 343        switch (ru_tones) {
 344        case RU_26:
 345                ret = NL80211_RATE_INFO_HE_RU_ALLOC_26;
 346                break;
 347        case RU_52:
 348                ret = NL80211_RATE_INFO_HE_RU_ALLOC_52;
 349                break;
 350        case RU_106:
 351                ret = NL80211_RATE_INFO_HE_RU_ALLOC_106;
 352                break;
 353        case RU_242:
 354                ret = NL80211_RATE_INFO_HE_RU_ALLOC_242;
 355                break;
 356        case RU_484:
 357                ret = NL80211_RATE_INFO_HE_RU_ALLOC_484;
 358                break;
 359        case RU_996:
 360                ret = NL80211_RATE_INFO_HE_RU_ALLOC_996;
 361                break;
 362        }
 363        return ret;
 364}
 365
 366#define REO_QUEUE_DESC_MAGIC_DEBUG_PATTERN_0 0xDDBEEF
 367#define REO_QUEUE_DESC_MAGIC_DEBUG_PATTERN_1 0xADBEEF
 368#define REO_QUEUE_DESC_MAGIC_DEBUG_PATTERN_2 0xBDBEEF
 369#define REO_QUEUE_DESC_MAGIC_DEBUG_PATTERN_3 0xCDBEEF
 370#endif
 371