// SPDX-License-Identifier: BSD-3-Clause-Clear /* * Copyright (c) 2019-2021 The Linux Foundation. All rights reserved. * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved. */ #include "dp_mon.h" #include "debug.h" #include "dp_rx.h" #include "dp_tx.h" #include "peer.h" static void ath12k_dp_mon_rx_handle_ofdma_info(void *rx_tlv, struct hal_rx_user_status *rx_user_status) { struct hal_rx_ppdu_end_user_stats *ppdu_end_user = (struct hal_rx_ppdu_end_user_stats *)rx_tlv; rx_user_status->ul_ofdma_user_v0_word0 = __le32_to_cpu(ppdu_end_user->usr_resp_ref); rx_user_status->ul_ofdma_user_v0_word1 = __le32_to_cpu(ppdu_end_user->usr_resp_ref_ext); } static void ath12k_dp_mon_rx_populate_byte_count(void *rx_tlv, void *ppduinfo, struct hal_rx_user_status *rx_user_status) { struct hal_rx_ppdu_end_user_stats *ppdu_end_user = (struct hal_rx_ppdu_end_user_stats *)rx_tlv; u32 mpdu_ok_byte_count = __le32_to_cpu(ppdu_end_user->mpdu_ok_cnt); u32 mpdu_err_byte_count = __le32_to_cpu(ppdu_end_user->mpdu_err_cnt); rx_user_status->mpdu_ok_byte_count = u32_get_bits(mpdu_ok_byte_count, HAL_RX_PPDU_END_USER_STATS_MPDU_DELIM_OK_BYTE_COUNT); rx_user_status->mpdu_err_byte_count = u32_get_bits(mpdu_err_byte_count, HAL_RX_PPDU_END_USER_STATS_MPDU_DELIM_ERR_BYTE_COUNT); } static void ath12k_dp_mon_rx_populate_mu_user_info(void *rx_tlv, struct hal_rx_mon_ppdu_info *ppdu_info, struct hal_rx_user_status *rx_user_status) { rx_user_status->ast_index = ppdu_info->ast_index; rx_user_status->tid = ppdu_info->tid; rx_user_status->tcp_ack_msdu_count = ppdu_info->tcp_ack_msdu_count; rx_user_status->tcp_msdu_count = ppdu_info->tcp_msdu_count; rx_user_status->udp_msdu_count = ppdu_info->udp_msdu_count; rx_user_status->other_msdu_count = ppdu_info->other_msdu_count; rx_user_status->frame_control = ppdu_info->frame_control; rx_user_status->frame_control_info_valid = ppdu_info->frame_control_info_valid; rx_user_status->data_sequence_control_info_valid = ppdu_info->data_sequence_control_info_valid; rx_user_status->first_data_seq_ctrl = ppdu_info->first_data_seq_ctrl; rx_user_status->preamble_type = ppdu_info->preamble_type; rx_user_status->ht_flags = ppdu_info->ht_flags; rx_user_status->vht_flags = ppdu_info->vht_flags; rx_user_status->he_flags = ppdu_info->he_flags; rx_user_status->rs_flags = ppdu_info->rs_flags; rx_user_status->mpdu_cnt_fcs_ok = ppdu_info->num_mpdu_fcs_ok; rx_user_status->mpdu_cnt_fcs_err = ppdu_info->num_mpdu_fcs_err; memcpy(&rx_user_status->mpdu_fcs_ok_bitmap[0], &ppdu_info->mpdu_fcs_ok_bitmap[0], HAL_RX_NUM_WORDS_PER_PPDU_BITMAP * sizeof(ppdu_info->mpdu_fcs_ok_bitmap[0])); ath12k_dp_mon_rx_populate_byte_count(rx_tlv, ppdu_info, rx_user_status); } static void ath12k_dp_mon_parse_vht_sig_a(u8 *tlv_data, struct hal_rx_mon_ppdu_info *ppdu_info) { struct hal_rx_vht_sig_a_info *vht_sig = (struct hal_rx_vht_sig_a_info *)tlv_data; u32 nsts, group_id, info0, info1; u8 gi_setting; info0 = __le32_to_cpu(vht_sig->info0); info1 = __le32_to_cpu(vht_sig->info1); ppdu_info->ldpc = u32_get_bits(info1, HAL_RX_VHT_SIG_A_INFO_INFO1_SU_MU_CODING); ppdu_info->mcs = u32_get_bits(info1, HAL_RX_VHT_SIG_A_INFO_INFO1_MCS); gi_setting = u32_get_bits(info1, HAL_RX_VHT_SIG_A_INFO_INFO1_GI_SETTING); switch (gi_setting) { case HAL_RX_VHT_SIG_A_NORMAL_GI: ppdu_info->gi = HAL_RX_GI_0_8_US; break; case HAL_RX_VHT_SIG_A_SHORT_GI: case HAL_RX_VHT_SIG_A_SHORT_GI_AMBIGUITY: ppdu_info->gi = HAL_RX_GI_0_4_US; break; } ppdu_info->is_stbc = u32_get_bits(info0, HAL_RX_VHT_SIG_A_INFO_INFO0_STBC); nsts = u32_get_bits(info0, HAL_RX_VHT_SIG_A_INFO_INFO0_NSTS); if (ppdu_info->is_stbc && nsts > 0) nsts = ((nsts + 1) >> 1) - 1; ppdu_info->nss = u32_get_bits(nsts, VHT_SIG_SU_NSS_MASK); ppdu_info->bw = u32_get_bits(info0, HAL_RX_VHT_SIG_A_INFO_INFO0_BW); ppdu_info->beamformed = u32_get_bits(info1, HAL_RX_VHT_SIG_A_INFO_INFO1_BEAMFORMED); group_id = u32_get_bits(info0, HAL_RX_VHT_SIG_A_INFO_INFO0_GROUP_ID); if (group_id == 0 || group_id == 63) ppdu_info->reception_type = HAL_RX_RECEPTION_TYPE_SU; else ppdu_info->reception_type = HAL_RX_RECEPTION_TYPE_MU_MIMO; ppdu_info->vht_flag_values5 = group_id; ppdu_info->vht_flag_values3[0] = (((ppdu_info->mcs) << 4) | ppdu_info->nss); ppdu_info->vht_flag_values2 = ppdu_info->bw; ppdu_info->vht_flag_values4 = u32_get_bits(info1, HAL_RX_VHT_SIG_A_INFO_INFO1_SU_MU_CODING); } static void ath12k_dp_mon_parse_ht_sig(u8 *tlv_data, struct hal_rx_mon_ppdu_info *ppdu_info) { struct hal_rx_ht_sig_info *ht_sig = (struct hal_rx_ht_sig_info *)tlv_data; u32 info0 = __le32_to_cpu(ht_sig->info0); u32 info1 = __le32_to_cpu(ht_sig->info1); ppdu_info->mcs = u32_get_bits(info0, HAL_RX_HT_SIG_INFO_INFO0_MCS); ppdu_info->bw = u32_get_bits(info0, HAL_RX_HT_SIG_INFO_INFO0_BW); ppdu_info->is_stbc = u32_get_bits(info1, HAL_RX_HT_SIG_INFO_INFO1_STBC); ppdu_info->ldpc = u32_get_bits(info1, HAL_RX_HT_SIG_INFO_INFO1_FEC_CODING); ppdu_info->gi = u32_get_bits(info1, HAL_RX_HT_SIG_INFO_INFO1_GI); ppdu_info->nss = (ppdu_info->mcs >> 3); ppdu_info->reception_type = HAL_RX_RECEPTION_TYPE_SU; } static void ath12k_dp_mon_parse_l_sig_b(u8 *tlv_data, struct hal_rx_mon_ppdu_info *ppdu_info) { struct hal_rx_lsig_b_info *lsigb = (struct hal_rx_lsig_b_info *)tlv_data; u32 info0 = __le32_to_cpu(lsigb->info0); u8 rate; rate = u32_get_bits(info0, HAL_RX_LSIG_B_INFO_INFO0_RATE); switch (rate) { case 1: rate = HAL_RX_LEGACY_RATE_1_MBPS; break; case 2: case 5: rate = HAL_RX_LEGACY_RATE_2_MBPS; break; case 3: case 6: rate = HAL_RX_LEGACY_RATE_5_5_MBPS; break; case 4: case 7: rate = HAL_RX_LEGACY_RATE_11_MBPS; break; default: rate = HAL_RX_LEGACY_RATE_INVALID; } ppdu_info->rate = rate; ppdu_info->cck_flag = 1; ppdu_info->reception_type = HAL_RX_RECEPTION_TYPE_SU; } static void ath12k_dp_mon_parse_l_sig_a(u8 *tlv_data, struct hal_rx_mon_ppdu_info *ppdu_info) { struct hal_rx_lsig_a_info *lsiga = (struct hal_rx_lsig_a_info *)tlv_data; u32 info0 = __le32_to_cpu(lsiga->info0); u8 rate; rate = u32_get_bits(info0, HAL_RX_LSIG_A_INFO_INFO0_RATE); switch (rate) { case 8: rate = HAL_RX_LEGACY_RATE_48_MBPS; break; case 9: rate = HAL_RX_LEGACY_RATE_24_MBPS; break; case 10: rate = HAL_RX_LEGACY_RATE_12_MBPS; break; case 11: rate = HAL_RX_LEGACY_RATE_6_MBPS; break; case 12: rate = HAL_RX_LEGACY_RATE_54_MBPS; break; case 13: rate = HAL_RX_LEGACY_RATE_36_MBPS; break; case 14: rate = HAL_RX_LEGACY_RATE_18_MBPS; break; case 15: rate = HAL_RX_LEGACY_RATE_9_MBPS; break; default: rate = HAL_RX_LEGACY_RATE_INVALID; } ppdu_info->rate = rate; ppdu_info->reception_type = HAL_RX_RECEPTION_TYPE_SU; } static void ath12k_dp_mon_parse_he_sig_b2_ofdma(u8 *tlv_data, struct hal_rx_mon_ppdu_info *ppdu_info) { struct hal_rx_he_sig_b2_ofdma_info *he_sig_b2_ofdma = (struct hal_rx_he_sig_b2_ofdma_info *)tlv_data; u32 info0, value; info0 = __le32_to_cpu(he_sig_b2_ofdma->info0); ppdu_info->he_data1 |= HE_MCS_KNOWN | HE_DCM_KNOWN | HE_CODING_KNOWN; /* HE-data2 */ ppdu_info->he_data2 |= HE_TXBF_KNOWN; ppdu_info->mcs = u32_get_bits(info0, HAL_RX_HE_SIG_B2_OFDMA_INFO_INFO0_STA_MCS); value = ppdu_info->mcs << HE_TRANSMIT_MCS_SHIFT; ppdu_info->he_data3 |= value; value = u32_get_bits(info0, HAL_RX_HE_SIG_B2_OFDMA_INFO_INFO0_STA_DCM); value = value << HE_DCM_SHIFT; ppdu_info->he_data3 |= value; value = u32_get_bits(info0, HAL_RX_HE_SIG_B2_OFDMA_INFO_INFO0_STA_CODING); ppdu_info->ldpc = value; value = value << HE_CODING_SHIFT; ppdu_info->he_data3 |= value; /* HE-data4 */ value = u32_get_bits(info0, HAL_RX_HE_SIG_B2_OFDMA_INFO_INFO0_STA_ID); value = value << HE_STA_ID_SHIFT; ppdu_info->he_data4 |= value; ppdu_info->nss = u32_get_bits(info0, HAL_RX_HE_SIG_B2_OFDMA_INFO_INFO0_STA_NSTS); ppdu_info->beamformed = u32_get_bits(info0, HAL_RX_HE_SIG_B2_OFDMA_INFO_INFO0_STA_TXBF); ppdu_info->reception_type = HAL_RX_RECEPTION_TYPE_MU_OFDMA; } static void ath12k_dp_mon_parse_he_sig_b2_mu(u8 *tlv_data, struct hal_rx_mon_ppdu_info *ppdu_info) { struct hal_rx_he_sig_b2_mu_info *he_sig_b2_mu = (struct hal_rx_he_sig_b2_mu_info *)tlv_data; u32 info0, value; info0 = __le32_to_cpu(he_sig_b2_mu->info0); ppdu_info->he_data1 |= HE_MCS_KNOWN | HE_CODING_KNOWN; ppdu_info->mcs = u32_get_bits(info0, HAL_RX_HE_SIG_B2_MU_INFO_INFO0_STA_MCS); value = ppdu_info->mcs << HE_TRANSMIT_MCS_SHIFT; ppdu_info->he_data3 |= value; value = u32_get_bits(info0, HAL_RX_HE_SIG_B2_MU_INFO_INFO0_STA_CODING); ppdu_info->ldpc = value; value = value << HE_CODING_SHIFT; ppdu_info->he_data3 |= value; value = u32_get_bits(info0, HAL_RX_HE_SIG_B2_MU_INFO_INFO0_STA_ID); value = value << HE_STA_ID_SHIFT; ppdu_info->he_data4 |= value; ppdu_info->nss = u32_get_bits(info0, HAL_RX_HE_SIG_B2_MU_INFO_INFO0_STA_NSTS); } static void ath12k_dp_mon_parse_he_sig_b1_mu(u8 *tlv_data, struct hal_rx_mon_ppdu_info *ppdu_info) { struct hal_rx_he_sig_b1_mu_info *he_sig_b1_mu = (struct hal_rx_he_sig_b1_mu_info *)tlv_data; u32 info0 = __le32_to_cpu(he_sig_b1_mu->info0); u16 ru_tones; ru_tones = u32_get_bits(info0, HAL_RX_HE_SIG_B1_MU_INFO_INFO0_RU_ALLOCATION); ppdu_info->ru_alloc = ath12k_he_ru_tones_to_nl80211_he_ru_alloc(ru_tones); ppdu_info->he_RU[0] = ru_tones; ppdu_info->reception_type = HAL_RX_RECEPTION_TYPE_MU_MIMO; } static void ath12k_dp_mon_parse_he_sig_mu(u8 *tlv_data, struct hal_rx_mon_ppdu_info *ppdu_info) { struct hal_rx_he_sig_a_mu_dl_info *he_sig_a_mu_dl = (struct hal_rx_he_sig_a_mu_dl_info *)tlv_data; u32 info0, info1, value; u16 he_gi = 0, he_ltf = 0; info0 = __le32_to_cpu(he_sig_a_mu_dl->info0); info1 = __le32_to_cpu(he_sig_a_mu_dl->info1); ppdu_info->he_mu_flags = 1; ppdu_info->he_data1 = HE_MU_FORMAT_TYPE; ppdu_info->he_data1 |= HE_BSS_COLOR_KNOWN | HE_DL_UL_KNOWN | HE_LDPC_EXTRA_SYMBOL_KNOWN | HE_STBC_KNOWN | HE_DATA_BW_RU_KNOWN | HE_DOPPLER_KNOWN; ppdu_info->he_data2 = HE_GI_KNOWN | HE_LTF_SYMBOLS_KNOWN | HE_PRE_FEC_PADDING_KNOWN | HE_PE_DISAMBIGUITY_KNOWN | HE_TXOP_KNOWN | HE_MIDABLE_PERIODICITY_KNOWN; /* data3 */ ppdu_info->he_data3 = u32_get_bits(info0, HAL_RX_HE_SIG_A_MU_DL_INFO0_BSS_COLOR); value = u32_get_bits(info0, HAL_RX_HE_SIG_A_MU_DL_INFO0_UL_FLAG); value = value << HE_DL_UL_SHIFT; ppdu_info->he_data3 |= value; value = u32_get_bits(info1, HAL_RX_HE_SIG_A_MU_DL_INFO1_LDPC_EXTRA); value = value << HE_LDPC_EXTRA_SYMBOL_SHIFT; ppdu_info->he_data3 |= value; value = u32_get_bits(info1, HAL_RX_HE_SIG_A_MU_DL_INFO1_STBC); value = value << HE_STBC_SHIFT; ppdu_info->he_data3 |= value; /* data4 */ ppdu_info->he_data4 = u32_get_bits(info0, HAL_RX_HE_SIG_A_MU_DL_INFO0_SPATIAL_REUSE); ppdu_info->he_data4 = value; /* data5 */ value = u32_get_bits(info0, HAL_RX_HE_SIG_A_MU_DL_INFO0_TRANSMIT_BW); ppdu_info->he_data5 = value; ppdu_info->bw = value; value = u32_get_bits(info0, HAL_RX_HE_SIG_A_MU_DL_INFO0_CP_LTF_SIZE); switch (value) { case 0: he_gi = HE_GI_0_8; he_ltf = HE_LTF_4_X; break; case 1: he_gi = HE_GI_0_8; he_ltf = HE_LTF_2_X; break; case 2: he_gi = HE_GI_1_6; he_ltf = HE_LTF_2_X; break; case 3: he_gi = HE_GI_3_2; he_ltf = HE_LTF_4_X; break; } ppdu_info->gi = he_gi; value = he_gi << HE_GI_SHIFT; ppdu_info->he_data5 |= value; value = he_ltf << HE_LTF_SIZE_SHIFT; ppdu_info->he_data5 |= value; value = u32_get_bits(info1, HAL_RX_HE_SIG_A_MU_DL_INFO1_NUM_LTF_SYMB); value = (value << HE_LTF_SYM_SHIFT); ppdu_info->he_data5 |= value; value = u32_get_bits(info1, HAL_RX_HE_SIG_A_MU_DL_INFO1_PKT_EXT_FACTOR); value = value << HE_PRE_FEC_PAD_SHIFT; ppdu_info->he_data5 |= value; value = u32_get_bits(info1, HAL_RX_HE_SIG_A_MU_DL_INFO1_PKT_EXT_PE_DISAM); value = value << HE_PE_DISAMBIGUITY_SHIFT; ppdu_info->he_data5 |= value; /*data6*/ value = u32_get_bits(info0, HAL_RX_HE_SIG_A_MU_DL_INFO0_DOPPLER_INDICATION); value = value << HE_DOPPLER_SHIFT; ppdu_info->he_data6 |= value; value = u32_get_bits(info1, HAL_RX_HE_SIG_A_MU_DL_INFO1_TXOP_DURATION); value = value << HE_TXOP_SHIFT; ppdu_info->he_data6 |= value; /* HE-MU Flags */ /* HE-MU-flags1 */ ppdu_info->he_flags1 = HE_SIG_B_MCS_KNOWN | HE_SIG_B_DCM_KNOWN | HE_SIG_B_COMPRESSION_FLAG_1_KNOWN | HE_SIG_B_SYM_NUM_KNOWN | HE_RU_0_KNOWN; value = u32_get_bits(info0, HAL_RX_HE_SIG_A_MU_DL_INFO0_MCS_OF_SIGB); ppdu_info->he_flags1 |= value; value = u32_get_bits(info0, HAL_RX_HE_SIG_A_MU_DL_INFO0_DCM_OF_SIGB); value = value << HE_DCM_FLAG_1_SHIFT; ppdu_info->he_flags1 |= value; /* HE-MU-flags2 */ ppdu_info->he_flags2 = HE_BW_KNOWN; value = u32_get_bits(info0, HAL_RX_HE_SIG_A_MU_DL_INFO0_TRANSMIT_BW); ppdu_info->he_flags2 |= value; value = u32_get_bits(info0, HAL_RX_HE_SIG_A_MU_DL_INFO0_COMP_MODE_SIGB); value = value << HE_SIG_B_COMPRESSION_FLAG_2_SHIFT; ppdu_info->he_flags2 |= value; value = u32_get_bits(info0, HAL_RX_HE_SIG_A_MU_DL_INFO0_NUM_SIGB_SYMB); value = value - 1; value = value << HE_NUM_SIG_B_SYMBOLS_SHIFT; ppdu_info->he_flags2 |= value; ppdu_info->is_stbc = info1 & HAL_RX_HE_SIG_A_MU_DL_INFO1_STBC; ppdu_info->reception_type = HAL_RX_RECEPTION_TYPE_MU_MIMO; } static void ath12k_dp_mon_parse_he_sig_su(u8 *tlv_data, struct hal_rx_mon_ppdu_info *ppdu_info) { struct hal_rx_he_sig_a_su_info *he_sig_a = (struct hal_rx_he_sig_a_su_info *)tlv_data; u32 info0, info1, value; u32 dcm; u8 he_dcm = 0, he_stbc = 0; u16 he_gi = 0, he_ltf = 0; ppdu_info->he_flags = 1; info0 = __le32_to_cpu(he_sig_a->info0); info1 = __le32_to_cpu(he_sig_a->info1); value = u32_get_bits(info0, HAL_RX_HE_SIG_A_SU_INFO_INFO0_FORMAT_IND); if (value == 0) ppdu_info->he_data1 = HE_TRIG_FORMAT_TYPE; else ppdu_info->he_data1 = HE_SU_FORMAT_TYPE; ppdu_info->he_data1 |= HE_BSS_COLOR_KNOWN | HE_BEAM_CHANGE_KNOWN | HE_DL_UL_KNOWN | HE_MCS_KNOWN | HE_DCM_KNOWN | HE_CODING_KNOWN | HE_LDPC_EXTRA_SYMBOL_KNOWN | HE_STBC_KNOWN | HE_DATA_BW_RU_KNOWN | HE_DOPPLER_KNOWN; ppdu_info->he_data2 |= HE_GI_KNOWN | HE_TXBF_KNOWN | HE_PE_DISAMBIGUITY_KNOWN | HE_TXOP_KNOWN | HE_LTF_SYMBOLS_KNOWN | HE_PRE_FEC_PADDING_KNOWN | HE_MIDABLE_PERIODICITY_KNOWN; ppdu_info->he_data3 = u32_get_bits(info0, HAL_RX_HE_SIG_A_SU_INFO_INFO0_BSS_COLOR); value = u32_get_bits(info0, HAL_RX_HE_SIG_A_SU_INFO_INFO0_BEAM_CHANGE); value = value << HE_BEAM_CHANGE_SHIFT; ppdu_info->he_data3 |= value; value = u32_get_bits(info0, HAL_RX_HE_SIG_A_SU_INFO_INFO0_DL_UL_FLAG); value = value << HE_DL_UL_SHIFT; ppdu_info->he_data3 |= value; value = u32_get_bits(info0, HAL_RX_HE_SIG_A_SU_INFO_INFO0_TRANSMIT_MCS); ppdu_info->mcs = value; value = value << HE_TRANSMIT_MCS_SHIFT; ppdu_info->he_data3 |= value; value = u32_get_bits(info0, HAL_RX_HE_SIG_A_SU_INFO_INFO0_DCM); he_dcm = value; value = value << HE_DCM_SHIFT; ppdu_info->he_data3 |= value; value = u32_get_bits(info1, HAL_RX_HE_SIG_A_SU_INFO_INFO1_CODING); value = value << HE_CODING_SHIFT; ppdu_info->he_data3 |= value; value = u32_get_bits(info1, HAL_RX_HE_SIG_A_SU_INFO_INFO1_LDPC_EXTRA); value = value << HE_LDPC_EXTRA_SYMBOL_SHIFT; ppdu_info->he_data3 |= value; value = u32_get_bits(info1, HAL_RX_HE_SIG_A_SU_INFO_INFO1_STBC); he_stbc = value; value = value << HE_STBC_SHIFT; ppdu_info->he_data3 |= value; /* data4 */ ppdu_info->he_data4 = u32_get_bits(info0, HAL_RX_HE_SIG_A_SU_INFO_INFO0_SPATIAL_REUSE); /* data5 */ value = u32_get_bits(info0, HAL_RX_HE_SIG_A_SU_INFO_INFO0_TRANSMIT_BW); ppdu_info->he_data5 = value; ppdu_info->bw = value; value = u32_get_bits(info0, HAL_RX_HE_SIG_A_SU_INFO_INFO0_CP_LTF_SIZE); switch (value) { case 0: he_gi = HE_GI_0_8; he_ltf = HE_LTF_1_X; break; case 1: he_gi = HE_GI_0_8; he_ltf = HE_LTF_2_X; break; case 2: he_gi = HE_GI_1_6; he_ltf = HE_LTF_2_X; break; case 3: if (he_dcm && he_stbc) { he_gi = HE_GI_0_8; he_ltf = HE_LTF_4_X; } else { he_gi = HE_GI_3_2; he_ltf = HE_LTF_4_X; } break; } ppdu_info->gi = he_gi; value = he_gi << HE_GI_SHIFT; ppdu_info->he_data5 |= value; value = he_ltf << HE_LTF_SIZE_SHIFT; ppdu_info->ltf_size = he_ltf; ppdu_info->he_data5 |= value; value = u32_get_bits(info0, HAL_RX_HE_SIG_A_SU_INFO_INFO0_NSTS); value = (value << HE_LTF_SYM_SHIFT); ppdu_info->he_data5 |= value; value = u32_get_bits(info1, HAL_RX_HE_SIG_A_SU_INFO_INFO1_PKT_EXT_FACTOR); value = value << HE_PRE_FEC_PAD_SHIFT; ppdu_info->he_data5 |= value; value = u32_get_bits(info1, HAL_RX_HE_SIG_A_SU_INFO_INFO1_TXBF); value = value << HE_TXBF_SHIFT; ppdu_info->he_data5 |= value; value = u32_get_bits(info1, HAL_RX_HE_SIG_A_SU_INFO_INFO1_PKT_EXT_PE_DISAM); value = value << HE_PE_DISAMBIGUITY_SHIFT; ppdu_info->he_data5 |= value; /* data6 */ value = u32_get_bits(info0, HAL_RX_HE_SIG_A_SU_INFO_INFO0_NSTS); value++; ppdu_info->he_data6 = value; value = u32_get_bits(info1, HAL_RX_HE_SIG_A_SU_INFO_INFO1_DOPPLER_IND); value = value << HE_DOPPLER_SHIFT; ppdu_info->he_data6 |= value; value = u32_get_bits(info1, HAL_RX_HE_SIG_A_SU_INFO_INFO1_TXOP_DURATION); value = value << HE_TXOP_SHIFT; ppdu_info->he_data6 |= value; ppdu_info->mcs = u32_get_bits(info0, HAL_RX_HE_SIG_A_SU_INFO_INFO0_TRANSMIT_MCS); ppdu_info->bw = u32_get_bits(info0, HAL_RX_HE_SIG_A_SU_INFO_INFO0_TRANSMIT_BW); ppdu_info->ldpc = u32_get_bits(info1, HAL_RX_HE_SIG_A_SU_INFO_INFO1_CODING); ppdu_info->is_stbc = u32_get_bits(info1, HAL_RX_HE_SIG_A_SU_INFO_INFO1_STBC); ppdu_info->beamformed = u32_get_bits(info1, HAL_RX_HE_SIG_A_SU_INFO_INFO1_TXBF); dcm = u32_get_bits(info0, HAL_RX_HE_SIG_A_SU_INFO_INFO0_DCM); ppdu_info->nss = u32_get_bits(info0, HAL_RX_HE_SIG_A_SU_INFO_INFO0_NSTS); ppdu_info->dcm = dcm; ppdu_info->reception_type = HAL_RX_RECEPTION_TYPE_SU; } static enum hal_rx_mon_status ath12k_dp_mon_rx_parse_status_tlv(struct ath12k_base *ab, struct ath12k_mon_data *pmon, u32 tlv_tag, u8 *tlv_data, u32 userid) { struct hal_rx_mon_ppdu_info *ppdu_info = &pmon->mon_ppdu_info; u32 info[7]; switch (tlv_tag) { case HAL_RX_PPDU_START: { struct hal_rx_ppdu_start *ppdu_start = (struct hal_rx_ppdu_start *)tlv_data; info[0] = __le32_to_cpu(ppdu_start->info0); ppdu_info->ppdu_id = u32_get_bits(info[0], HAL_RX_PPDU_START_INFO0_PPDU_ID); ppdu_info->chan_num = __le32_to_cpu(ppdu_start->chan_num); ppdu_info->ppdu_ts = __le32_to_cpu(ppdu_start->ppdu_start_ts); if (ppdu_info->ppdu_id != ppdu_info->last_ppdu_id) { ppdu_info->last_ppdu_id = ppdu_info->ppdu_id; ppdu_info->num_users = 0; memset(&ppdu_info->mpdu_fcs_ok_bitmap, 0, HAL_RX_NUM_WORDS_PER_PPDU_BITMAP * sizeof(ppdu_info->mpdu_fcs_ok_bitmap[0])); } break; } case HAL_RX_PPDU_END_USER_STATS: { struct hal_rx_ppdu_end_user_stats *eu_stats = (struct hal_rx_ppdu_end_user_stats *)tlv_data; info[0] = __le32_to_cpu(eu_stats->info0); info[1] = __le32_to_cpu(eu_stats->info1); info[2] = __le32_to_cpu(eu_stats->info2); info[4] = __le32_to_cpu(eu_stats->info4); info[5] = __le32_to_cpu(eu_stats->info5); info[6] = __le32_to_cpu(eu_stats->info6); ppdu_info->ast_index = u32_get_bits(info[2], HAL_RX_PPDU_END_USER_STATS_INFO2_AST_INDEX); ppdu_info->fc_valid = u32_get_bits(info[1], HAL_RX_PPDU_END_USER_STATS_INFO1_FC_VALID); ppdu_info->tid = ffs(u32_get_bits(info[6], HAL_RX_PPDU_END_USER_STATS_INFO6_TID_BITMAP) - 1); ppdu_info->tcp_msdu_count = u32_get_bits(info[4], HAL_RX_PPDU_END_USER_STATS_INFO4_TCP_MSDU_CNT); ppdu_info->udp_msdu_count = u32_get_bits(info[4], HAL_RX_PPDU_END_USER_STATS_INFO4_UDP_MSDU_CNT); ppdu_info->other_msdu_count = u32_get_bits(info[5], HAL_RX_PPDU_END_USER_STATS_INFO5_OTHER_MSDU_CNT); ppdu_info->tcp_ack_msdu_count = u32_get_bits(info[5], HAL_RX_PPDU_END_USER_STATS_INFO5_TCP_ACK_MSDU_CNT); ppdu_info->preamble_type = u32_get_bits(info[1], HAL_RX_PPDU_END_USER_STATS_INFO1_PKT_TYPE); ppdu_info->num_mpdu_fcs_ok = u32_get_bits(info[1], HAL_RX_PPDU_END_USER_STATS_INFO1_MPDU_CNT_FCS_OK); ppdu_info->num_mpdu_fcs_err = u32_get_bits(info[0], HAL_RX_PPDU_END_USER_STATS_INFO0_MPDU_CNT_FCS_ERR); switch (ppdu_info->preamble_type) { case HAL_RX_PREAMBLE_11N: ppdu_info->ht_flags = 1; break; case HAL_RX_PREAMBLE_11AC: ppdu_info->vht_flags = 1; break; case HAL_RX_PREAMBLE_11AX: ppdu_info->he_flags = 1; break; default: break; } if (userid < HAL_MAX_UL_MU_USERS) { struct hal_rx_user_status *rxuser_stats = &ppdu_info->userstats[userid]; ppdu_info->num_users += 1; ath12k_dp_mon_rx_handle_ofdma_info(tlv_data, rxuser_stats); ath12k_dp_mon_rx_populate_mu_user_info(tlv_data, ppdu_info, rxuser_stats); } ppdu_info->mpdu_fcs_ok_bitmap[0] = __le32_to_cpu(eu_stats->rsvd1[0]); ppdu_info->mpdu_fcs_ok_bitmap[1] = __le32_to_cpu(eu_stats->rsvd1[1]); break; } case HAL_RX_PPDU_END_USER_STATS_EXT: { struct hal_rx_ppdu_end_user_stats_ext *eu_stats = (struct hal_rx_ppdu_end_user_stats_ext *)tlv_data; ppdu_info->mpdu_fcs_ok_bitmap[2] = __le32_to_cpu(eu_stats->info1); ppdu_info->mpdu_fcs_ok_bitmap[3] = __le32_to_cpu(eu_stats->info2); ppdu_info->mpdu_fcs_ok_bitmap[4] = __le32_to_cpu(eu_stats->info3); ppdu_info->mpdu_fcs_ok_bitmap[5] = __le32_to_cpu(eu_stats->info4); ppdu_info->mpdu_fcs_ok_bitmap[6] = __le32_to_cpu(eu_stats->info5); ppdu_info->mpdu_fcs_ok_bitmap[7] = __le32_to_cpu(eu_stats->info6); break; } case HAL_PHYRX_HT_SIG: ath12k_dp_mon_parse_ht_sig(tlv_data, ppdu_info); break; case HAL_PHYRX_L_SIG_B: ath12k_dp_mon_parse_l_sig_b(tlv_data, ppdu_info); break; case HAL_PHYRX_L_SIG_A: ath12k_dp_mon_parse_l_sig_a(tlv_data, ppdu_info); break; case HAL_PHYRX_VHT_SIG_A: ath12k_dp_mon_parse_vht_sig_a(tlv_data, ppdu_info); break; case HAL_PHYRX_HE_SIG_A_SU: ath12k_dp_mon_parse_he_sig_su(tlv_data, ppdu_info); break; case HAL_PHYRX_HE_SIG_A_MU_DL: ath12k_dp_mon_parse_he_sig_mu(tlv_data, ppdu_info); break; case HAL_PHYRX_HE_SIG_B1_MU: ath12k_dp_mon_parse_he_sig_b1_mu(tlv_data, ppdu_info); break; case HAL_PHYRX_HE_SIG_B2_MU: ath12k_dp_mon_parse_he_sig_b2_mu(tlv_data, ppdu_info); break; case HAL_PHYRX_HE_SIG_B2_OFDMA: ath12k_dp_mon_parse_he_sig_b2_ofdma(tlv_data, ppdu_info); break; case HAL_PHYRX_RSSI_LEGACY: { struct hal_rx_phyrx_rssi_legacy_info *rssi = (struct hal_rx_phyrx_rssi_legacy_info *)tlv_data; u32 reception_type = 0; u32 rssi_legacy_info = __le32_to_cpu(rssi->rsvd[0]); info[0] = __le32_to_cpu(rssi->info0); /* TODO: Please note that the combined rssi will not be accurate * in MU case. Rssi in MU needs to be retrieved from * PHYRX_OTHER_RECEIVE_INFO TLV. */ ppdu_info->rssi_comb = u32_get_bits(info[0], HAL_RX_PHYRX_RSSI_LEGACY_INFO_INFO0_RSSI_COMB); reception_type = u32_get_bits(rssi_legacy_info, HAL_RX_PHYRX_RSSI_LEGACY_INFO_RSVD1_RECEPTION); switch (reception_type) { case HAL_RECEPTION_TYPE_ULOFMDA: ppdu_info->reception_type = HAL_RX_RECEPTION_TYPE_MU_OFDMA; break; case HAL_RECEPTION_TYPE_ULMIMO: ppdu_info->reception_type = HAL_RX_RECEPTION_TYPE_MU_MIMO; break; default: ppdu_info->reception_type = HAL_RX_RECEPTION_TYPE_SU; break; } break; } case HAL_RXPCU_PPDU_END_INFO: { struct hal_rx_ppdu_end_duration *ppdu_rx_duration = (struct hal_rx_ppdu_end_duration *)tlv_data; info[0] = __le32_to_cpu(ppdu_rx_duration->info0); ppdu_info->rx_duration = u32_get_bits(info[0], HAL_RX_PPDU_END_DURATION); ppdu_info->tsft = __le32_to_cpu(ppdu_rx_duration->rsvd0[1]); ppdu_info->tsft = (ppdu_info->tsft << 32) | __le32_to_cpu(ppdu_rx_duration->rsvd0[0]); break; } case HAL_RX_MPDU_START: { struct hal_rx_mpdu_start *mpdu_start = (struct hal_rx_mpdu_start *)tlv_data; struct dp_mon_mpdu *mon_mpdu = pmon->mon_mpdu; u16 peer_id; info[1] = __le32_to_cpu(mpdu_start->info1); peer_id = u32_get_bits(info[1], HAL_RX_MPDU_START_INFO1_PEERID); if (peer_id) ppdu_info->peer_id = peer_id; ppdu_info->mpdu_len += u32_get_bits(info[1], HAL_RX_MPDU_START_INFO2_MPDU_LEN); if (userid < HAL_MAX_UL_MU_USERS) { info[0] = __le32_to_cpu(mpdu_start->info0); ppdu_info->userid = userid; ppdu_info->ampdu_id[userid] = u32_get_bits(info[0], HAL_RX_MPDU_START_INFO1_PEERID); } mon_mpdu = kzalloc(sizeof(*mon_mpdu), GFP_ATOMIC); if (!mon_mpdu) return HAL_RX_MON_STATUS_PPDU_NOT_DONE; break; } case HAL_RX_MSDU_START: /* TODO: add msdu start parsing logic */ break; case HAL_MON_BUF_ADDR: { struct dp_rxdma_ring *buf_ring = &ab->dp.rxdma_mon_buf_ring; struct dp_mon_packet_info *packet_info = (struct dp_mon_packet_info *)tlv_data; int buf_id = u32_get_bits(packet_info->cookie, DP_RXDMA_BUF_COOKIE_BUF_ID); struct sk_buff *msdu; struct dp_mon_mpdu *mon_mpdu = pmon->mon_mpdu; struct ath12k_skb_rxcb *rxcb; spin_lock_bh(&buf_ring->idr_lock); msdu = idr_remove(&buf_ring->bufs_idr, buf_id); spin_unlock_bh(&buf_ring->idr_lock); if (unlikely(!msdu)) { ath12k_warn(ab, "montior destination with invalid buf_id %d\n", buf_id); return HAL_RX_MON_STATUS_PPDU_NOT_DONE; } rxcb = ATH12K_SKB_RXCB(msdu); dma_unmap_single(ab->dev, rxcb->paddr, msdu->len + skb_tailroom(msdu), DMA_FROM_DEVICE); if (mon_mpdu->tail) mon_mpdu->tail->next = msdu; else mon_mpdu->tail = msdu; ath12k_dp_mon_buf_replenish(ab, buf_ring, 1); break; } case HAL_RX_MSDU_END: { struct rx_msdu_end_qcn9274 *msdu_end = (struct rx_msdu_end_qcn9274 *)tlv_data; bool is_first_msdu_in_mpdu; u16 msdu_end_info; msdu_end_info = __le16_to_cpu(msdu_end->info5); is_first_msdu_in_mpdu = u32_get_bits(msdu_end_info, RX_MSDU_END_INFO5_FIRST_MSDU); if (is_first_msdu_in_mpdu) { pmon->mon_mpdu->head = pmon->mon_mpdu->tail; pmon->mon_mpdu->tail = NULL; } break; } case HAL_RX_MPDU_END: list_add_tail(&pmon->mon_mpdu->list, &pmon->dp_rx_mon_mpdu_list); break; case HAL_DUMMY: return HAL_RX_MON_STATUS_BUF_DONE; case HAL_RX_PPDU_END_STATUS_DONE: case 0: return HAL_RX_MON_STATUS_PPDU_DONE; default: break; } return HAL_RX_MON_STATUS_PPDU_NOT_DONE; } static void ath12k_dp_mon_rx_msdus_set_payload(struct ath12k *ar, struct sk_buff *msdu) { u32 rx_pkt_offset, l2_hdr_offset; rx_pkt_offset = ar->ab->hw_params->hal_desc_sz; l2_hdr_offset = ath12k_dp_rx_h_l3pad(ar->ab, (struct hal_rx_desc *)msdu->data); skb_pull(msdu, rx_pkt_offset + l2_hdr_offset); } static struct sk_buff * ath12k_dp_mon_rx_merg_msdus(struct ath12k *ar, u32 mac_id, struct sk_buff *head_msdu, struct ieee80211_rx_status *rxs, bool *fcs_err) { struct ath12k_base *ab = ar->ab; struct sk_buff *msdu, *mpdu_buf, *prev_buf; struct hal_rx_desc *rx_desc; u8 *hdr_desc, *dest, decap_format; struct ieee80211_hdr_3addr *wh; u32 err_bitmap; mpdu_buf = NULL; if (!head_msdu) goto err_merge_fail; rx_desc = (struct hal_rx_desc *)head_msdu->data; err_bitmap = ath12k_dp_rx_h_mpdu_err(ab, rx_desc); if (err_bitmap & HAL_RX_MPDU_ERR_FCS) *fcs_err = true; decap_format = ath12k_dp_rx_h_decap_type(ab, rx_desc); ath12k_dp_rx_h_ppdu(ar, rx_desc, rxs); if (decap_format == DP_RX_DECAP_TYPE_RAW) { ath12k_dp_mon_rx_msdus_set_payload(ar, head_msdu); prev_buf = head_msdu; msdu = head_msdu->next; while (msdu) { ath12k_dp_mon_rx_msdus_set_payload(ar, msdu); prev_buf = msdu; msdu = msdu->next; } prev_buf->next = NULL; skb_trim(prev_buf, prev_buf->len - HAL_RX_FCS_LEN); } else if (decap_format == DP_RX_DECAP_TYPE_NATIVE_WIFI) { u8 qos_pkt = 0; rx_desc = (struct hal_rx_desc *)head_msdu->data; hdr_desc = ab->hw_params->hal_ops->rx_desc_get_msdu_payload(rx_desc); /* Base size */ wh = (struct ieee80211_hdr_3addr *)hdr_desc; if (ieee80211_is_data_qos(wh->frame_control)) qos_pkt = 1; msdu = head_msdu; while (msdu) { ath12k_dp_mon_rx_msdus_set_payload(ar, msdu); if (qos_pkt) { dest = skb_push(msdu, sizeof(__le16)); if (!dest) goto err_merge_fail; memcpy(dest, hdr_desc, sizeof(struct ieee80211_qos_hdr)); } prev_buf = msdu; msdu = msdu->next; } dest = skb_put(prev_buf, HAL_RX_FCS_LEN); if (!dest) goto err_merge_fail; ath12k_dbg(ab, ATH12K_DBG_DATA, "mpdu_buf %pK mpdu_buf->len %u", prev_buf, prev_buf->len); } else { ath12k_dbg(ab, ATH12K_DBG_DATA, "decap format %d is not supported!\n", decap_format); goto err_merge_fail; } return head_msdu; err_merge_fail: if (mpdu_buf && decap_format != DP_RX_DECAP_TYPE_RAW) { ath12k_dbg(ab, ATH12K_DBG_DATA, "err_merge_fail mpdu_buf %pK", mpdu_buf); /* Free the head buffer */ dev_kfree_skb_any(mpdu_buf); } return NULL; } static void ath12k_dp_mon_rx_update_radiotap_he(struct hal_rx_mon_ppdu_info *rx_status, u8 *rtap_buf) { u32 rtap_len = 0; put_unaligned_le16(rx_status->he_data1, &rtap_buf[rtap_len]); rtap_len += 2; put_unaligned_le16(rx_status->he_data2, &rtap_buf[rtap_len]); rtap_len += 2; put_unaligned_le16(rx_status->he_data3, &rtap_buf[rtap_len]); rtap_len += 2; put_unaligned_le16(rx_status->he_data4, &rtap_buf[rtap_len]); rtap_len += 2; put_unaligned_le16(rx_status->he_data5, &rtap_buf[rtap_len]); rtap_len += 2; put_unaligned_le16(rx_status->he_data6, &rtap_buf[rtap_len]); } static void ath12k_dp_mon_rx_update_radiotap_he_mu(struct hal_rx_mon_ppdu_info *rx_status, u8 *rtap_buf) { u32 rtap_len = 0; put_unaligned_le16(rx_status->he_flags1, &rtap_buf[rtap_len]); rtap_len += 2; put_unaligned_le16(rx_status->he_flags2, &rtap_buf[rtap_len]); rtap_len += 2; rtap_buf[rtap_len] = rx_status->he_RU[0]; rtap_len += 1; rtap_buf[rtap_len] = rx_status->he_RU[1]; rtap_len += 1; rtap_buf[rtap_len] = rx_status->he_RU[2]; rtap_len += 1; rtap_buf[rtap_len] = rx_status->he_RU[3]; } static void ath12k_dp_mon_update_radiotap(struct ath12k *ar, struct hal_rx_mon_ppdu_info *ppduinfo, struct sk_buff *mon_skb, struct ieee80211_rx_status *rxs) { struct ieee80211_supported_band *sband; u8 *ptr = NULL; u16 ampdu_id = ppduinfo->ampdu_id[ppduinfo->userid]; rxs->flag |= RX_FLAG_MACTIME_START; rxs->signal = ppduinfo->rssi_comb + ATH12K_DEFAULT_NOISE_FLOOR; rxs->nss = ppduinfo->nss + 1; if (ampdu_id) { rxs->flag |= RX_FLAG_AMPDU_DETAILS; rxs->ampdu_reference = ampdu_id; } if (ppduinfo->he_mu_flags) { rxs->flag |= RX_FLAG_RADIOTAP_HE_MU; rxs->encoding = RX_ENC_HE; ptr = skb_push(mon_skb, sizeof(struct ieee80211_radiotap_he_mu)); ath12k_dp_mon_rx_update_radiotap_he_mu(ppduinfo, ptr); } else if (ppduinfo->he_flags) { rxs->flag |= RX_FLAG_RADIOTAP_HE; rxs->encoding = RX_ENC_HE; ptr = skb_push(mon_skb, sizeof(struct ieee80211_radiotap_he)); ath12k_dp_mon_rx_update_radiotap_he(ppduinfo, ptr); rxs->rate_idx = ppduinfo->rate; } else if (ppduinfo->vht_flags) { rxs->encoding = RX_ENC_VHT; rxs->rate_idx = ppduinfo->rate; } else if (ppduinfo->ht_flags) { rxs->encoding = RX_ENC_HT; rxs->rate_idx = ppduinfo->rate; } else { rxs->encoding = RX_ENC_LEGACY; sband = &ar->mac.sbands[rxs->band]; rxs->rate_idx = ath12k_mac_hw_rate_to_idx(sband, ppduinfo->rate, ppduinfo->cck_flag); } rxs->mactime = ppduinfo->tsft; } static void ath12k_dp_mon_rx_deliver_msdu(struct ath12k *ar, struct napi_struct *napi, struct sk_buff *msdu, struct ieee80211_rx_status *status) { static const struct ieee80211_radiotap_he known = { .data1 = cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_DATA_MCS_KNOWN | IEEE80211_RADIOTAP_HE_DATA1_BW_RU_ALLOC_KNOWN), .data2 = cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_GI_KNOWN), }; struct ieee80211_rx_status *rx_status; struct ieee80211_radiotap_he *he = NULL; struct ieee80211_sta *pubsta = NULL; struct ath12k_peer *peer; struct ath12k_skb_rxcb *rxcb = ATH12K_SKB_RXCB(msdu); u8 decap = DP_RX_DECAP_TYPE_RAW; bool is_mcbc = rxcb->is_mcbc; bool is_eapol_tkip = rxcb->is_eapol; if ((status->encoding == RX_ENC_HE) && !(status->flag & RX_FLAG_RADIOTAP_HE) && !(status->flag & RX_FLAG_SKIP_MONITOR)) { he = skb_push(msdu, sizeof(known)); memcpy(he, &known, sizeof(known)); status->flag |= RX_FLAG_RADIOTAP_HE; } if (!(status->flag & RX_FLAG_ONLY_MONITOR)) decap = ath12k_dp_rx_h_decap_type(ar->ab, rxcb->rx_desc); spin_lock_bh(&ar->ab->base_lock); peer = ath12k_dp_rx_h_find_peer(ar->ab, msdu); if (peer && peer->sta) pubsta = peer->sta; spin_unlock_bh(&ar->ab->base_lock); ath12k_dbg(ar->ab, ATH12K_DBG_DATA, "rx skb %pK len %u peer %pM %u %s %s%s%s%s%s%s%s %srate_idx %u vht_nss %u freq %u band %u flag 0x%x fcs-err %i mic-err %i amsdu-more %i\n", msdu, msdu->len, peer ? peer->addr : NULL, rxcb->tid, (is_mcbc) ? "mcast" : "ucast", (status->encoding == RX_ENC_LEGACY) ? "legacy" : "", (status->encoding == RX_ENC_HT) ? "ht" : "", (status->encoding == RX_ENC_VHT) ? "vht" : "", (status->encoding == RX_ENC_HE) ? "he" : "", (status->bw == RATE_INFO_BW_40) ? "40" : "", (status->bw == RATE_INFO_BW_80) ? "80" : "", (status->bw == RATE_INFO_BW_160) ? "160" : "", status->enc_flags & RX_ENC_FLAG_SHORT_GI ? "sgi " : "", status->rate_idx, status->nss, status->freq, status->band, status->flag, !!(status->flag & RX_FLAG_FAILED_FCS_CRC), !!(status->flag & RX_FLAG_MMIC_ERROR), !!(status->flag & RX_FLAG_AMSDU_MORE)); ath12k_dbg_dump(ar->ab, ATH12K_DBG_DP_RX, NULL, "dp rx msdu: ", msdu->data, msdu->len); rx_status = IEEE80211_SKB_RXCB(msdu); *rx_status = *status; /* TODO: trace rx packet */ /* PN for multicast packets are not validate in HW, * so skip 802.3 rx path * Also, fast_rx expectes the STA to be authorized, hence * eapol packets are sent in slow path. */ if (decap == DP_RX_DECAP_TYPE_ETHERNET2_DIX && !is_eapol_tkip && !(is_mcbc && rx_status->flag & RX_FLAG_DECRYPTED)) rx_status->flag |= RX_FLAG_8023; ieee80211_rx_napi(ar->hw, pubsta, msdu, napi); } static int ath12k_dp_mon_rx_deliver(struct ath12k *ar, u32 mac_id, struct sk_buff *head_msdu, struct hal_rx_mon_ppdu_info *ppduinfo, struct napi_struct *napi) { struct ath12k_pdev_dp *dp = &ar->dp; struct sk_buff *mon_skb, *skb_next, *header; struct ieee80211_rx_status *rxs = &dp->rx_status; bool fcs_err = false; mon_skb = ath12k_dp_mon_rx_merg_msdus(ar, mac_id, head_msdu, rxs, &fcs_err); if (!mon_skb) goto mon_deliver_fail; header = mon_skb; rxs->flag = 0; if (fcs_err) rxs->flag = RX_FLAG_FAILED_FCS_CRC; do { skb_next = mon_skb->next; if (!skb_next) rxs->flag &= ~RX_FLAG_AMSDU_MORE; else rxs->flag |= RX_FLAG_AMSDU_MORE; if (mon_skb == header) { header = NULL; rxs->flag &= ~RX_FLAG_ALLOW_SAME_PN; } else { rxs->flag |= RX_FLAG_ALLOW_SAME_PN; } rxs->flag |= RX_FLAG_ONLY_MONITOR; ath12k_dp_mon_update_radiotap(ar, ppduinfo, mon_skb, rxs); ath12k_dp_mon_rx_deliver_msdu(ar, napi, mon_skb, rxs); mon_skb = skb_next; } while (mon_skb); rxs->flag = 0; return 0; mon_deliver_fail: mon_skb = head_msdu; while (mon_skb) { skb_next = mon_skb->next; dev_kfree_skb_any(mon_skb); mon_skb = skb_next; } return -EINVAL; } static enum hal_rx_mon_status ath12k_dp_mon_parse_rx_dest(struct ath12k_base *ab, struct ath12k_mon_data *pmon, struct sk_buff *skb) { struct hal_rx_mon_ppdu_info *ppdu_info = &pmon->mon_ppdu_info; struct hal_tlv_hdr *tlv; enum hal_rx_mon_status hal_status; u32 tlv_userid = 0; u16 tlv_tag, tlv_len; u8 *ptr = skb->data; memset(ppdu_info, 0, sizeof(struct hal_rx_mon_ppdu_info)); do { tlv = (struct hal_tlv_hdr *)ptr; tlv_tag = le32_get_bits(tlv->tl, HAL_TLV_HDR_TAG); tlv_len = le32_get_bits(tlv->tl, HAL_TLV_HDR_LEN); tlv_userid = le32_get_bits(tlv->tl, HAL_TLV_USR_ID); ptr += sizeof(*tlv); /* The actual length of PPDU_END is the combined length of many PHY * TLVs that follow. Skip the TLV header and * rx_rxpcu_classification_overview that follows the header to get to * next TLV. */ if (tlv_tag == HAL_RX_PPDU_END) tlv_len = sizeof(struct hal_rx_rxpcu_classification_overview); hal_status = ath12k_dp_mon_rx_parse_status_tlv(ab, pmon, tlv_tag, ptr, tlv_userid); ptr += tlv_len; ptr = PTR_ALIGN(ptr, HAL_TLV_ALIGN); if ((ptr - skb->data) >= DP_RX_BUFFER_SIZE) break; } while (hal_status == HAL_RX_MON_STATUS_PPDU_NOT_DONE); return hal_status; } enum hal_rx_mon_status ath12k_dp_mon_rx_parse_mon_status(struct ath12k *ar, struct ath12k_mon_data *pmon, int mac_id, struct sk_buff *skb, struct napi_struct *napi) { struct ath12k_base *ab = ar->ab; struct hal_rx_mon_ppdu_info *ppdu_info = &pmon->mon_ppdu_info; struct dp_mon_mpdu *tmp; struct dp_mon_mpdu *mon_mpdu = pmon->mon_mpdu; struct sk_buff *head_msdu, *tail_msdu; enum hal_rx_mon_status hal_status = HAL_RX_MON_STATUS_BUF_DONE; ath12k_dp_mon_parse_rx_dest(ab, pmon, skb); list_for_each_entry_safe(mon_mpdu, tmp, &pmon->dp_rx_mon_mpdu_list, list) { list_del(&mon_mpdu->list); head_msdu = mon_mpdu->head; tail_msdu = mon_mpdu->tail; if (head_msdu && tail_msdu) { ath12k_dp_mon_rx_deliver(ar, mac_id, head_msdu, ppdu_info, napi); } kfree(mon_mpdu); } return hal_status; } int ath12k_dp_mon_buf_replenish(struct ath12k_base *ab, struct dp_rxdma_ring *buf_ring, int req_entries) { struct hal_mon_buf_ring *mon_buf; struct sk_buff *skb; struct hal_srng *srng; dma_addr_t paddr; u32 cookie, buf_id; srng = &ab->hal.srng_list[buf_ring->refill_buf_ring.ring_id]; spin_lock_bh(&srng->lock); ath12k_hal_srng_access_begin(ab, srng); while (req_entries > 0) { skb = dev_alloc_skb(DP_RX_BUFFER_SIZE + DP_RX_BUFFER_ALIGN_SIZE); if (unlikely(!skb)) goto fail_alloc_skb; if (!IS_ALIGNED((unsigned long)skb->data, DP_RX_BUFFER_ALIGN_SIZE)) { skb_pull(skb, PTR_ALIGN(skb->data, DP_RX_BUFFER_ALIGN_SIZE) - skb->data); } paddr = dma_map_single(ab->dev, skb->data, skb->len + skb_tailroom(skb), DMA_FROM_DEVICE); if (unlikely(dma_mapping_error(ab->dev, paddr))) goto fail_free_skb; spin_lock_bh(&buf_ring->idr_lock); buf_id = idr_alloc(&buf_ring->bufs_idr, skb, 0, buf_ring->bufs_max * 3, GFP_ATOMIC); spin_unlock_bh(&buf_ring->idr_lock); if (unlikely(buf_id < 0)) goto fail_dma_unmap; mon_buf = ath12k_hal_srng_src_get_next_entry(ab, srng); if (unlikely(!mon_buf)) goto fail_idr_remove; ATH12K_SKB_RXCB(skb)->paddr = paddr; cookie = u32_encode_bits(buf_id, DP_RXDMA_BUF_COOKIE_BUF_ID); mon_buf->paddr_lo = cpu_to_le32(lower_32_bits(paddr)); mon_buf->paddr_hi = cpu_to_le32(upper_32_bits(paddr)); mon_buf->cookie = cpu_to_le64(cookie); req_entries--; } ath12k_hal_srng_access_end(ab, srng); spin_unlock_bh(&srng->lock); return 0; fail_idr_remove: spin_lock_bh(&buf_ring->idr_lock); idr_remove(&buf_ring->bufs_idr, buf_id); spin_unlock_bh(&buf_ring->idr_lock); fail_dma_unmap: dma_unmap_single(ab->dev, paddr, skb->len + skb_tailroom(skb), DMA_FROM_DEVICE); fail_free_skb: dev_kfree_skb_any(skb); fail_alloc_skb: ath12k_hal_srng_access_end(ab, srng); spin_unlock_bh(&srng->lock); return -ENOMEM; } static struct dp_mon_tx_ppdu_info * ath12k_dp_mon_tx_get_ppdu_info(struct ath12k_mon_data *pmon, unsigned int ppdu_id, enum dp_mon_tx_ppdu_info_type type) { struct dp_mon_tx_ppdu_info *tx_ppdu_info; if (type == DP_MON_TX_PROT_PPDU_INFO) { tx_ppdu_info = pmon->tx_prot_ppdu_info; if (tx_ppdu_info && !tx_ppdu_info->is_used) return tx_ppdu_info; kfree(tx_ppdu_info); } else { tx_ppdu_info = pmon->tx_data_ppdu_info; if (tx_ppdu_info && !tx_ppdu_info->is_used) return tx_ppdu_info; kfree(tx_ppdu_info); } /* allocate new tx_ppdu_info */ tx_ppdu_info = kzalloc(sizeof(*tx_ppdu_info), GFP_ATOMIC); if (!tx_ppdu_info) return NULL; tx_ppdu_info->is_used = 0; tx_ppdu_info->ppdu_id = ppdu_id; if (type == DP_MON_TX_PROT_PPDU_INFO) pmon->tx_prot_ppdu_info = tx_ppdu_info; else pmon->tx_data_ppdu_info = tx_ppdu_info; return tx_ppdu_info; } static struct dp_mon_tx_ppdu_info * ath12k_dp_mon_hal_tx_ppdu_info(struct ath12k_mon_data *pmon, u16 tlv_tag) { switch (tlv_tag) { case HAL_TX_FES_SETUP: case HAL_TX_FLUSH: case HAL_PCU_PPDU_SETUP_INIT: case HAL_TX_PEER_ENTRY: case HAL_TX_QUEUE_EXTENSION: case HAL_TX_MPDU_START: case HAL_TX_MSDU_START: case HAL_TX_DATA: case HAL_MON_BUF_ADDR: case HAL_TX_MPDU_END: case HAL_TX_LAST_MPDU_FETCHED: case HAL_TX_LAST_MPDU_END: case HAL_COEX_TX_REQ: case HAL_TX_RAW_OR_NATIVE_FRAME_SETUP: case HAL_SCH_CRITICAL_TLV_REFERENCE: case HAL_TX_FES_SETUP_COMPLETE: case HAL_TQM_MPDU_GLOBAL_START: case HAL_SCHEDULER_END: case HAL_TX_FES_STATUS_USER_PPDU: break; case HAL_TX_FES_STATUS_PROT: { if (!pmon->tx_prot_ppdu_info->is_used) pmon->tx_prot_ppdu_info->is_used = true; return pmon->tx_prot_ppdu_info; } } if (!pmon->tx_data_ppdu_info->is_used) pmon->tx_data_ppdu_info->is_used = true; return pmon->tx_data_ppdu_info; } #define MAX_MONITOR_HEADER 512 #define MAX_DUMMY_FRM_BODY 128 struct sk_buff *ath12k_dp_mon_tx_alloc_skb(void) { struct sk_buff *skb; skb = dev_alloc_skb(MAX_MONITOR_HEADER + MAX_DUMMY_FRM_BODY); if (!skb) return NULL; skb_reserve(skb, MAX_MONITOR_HEADER); if (!IS_ALIGNED((unsigned long)skb->data, 4)) skb_pull(skb, PTR_ALIGN(skb->data, 4) - skb->data); return skb; } static int ath12k_dp_mon_tx_gen_cts2self_frame(struct dp_mon_tx_ppdu_info *tx_ppdu_info) { struct sk_buff *skb; struct ieee80211_cts *cts; skb = ath12k_dp_mon_tx_alloc_skb(); if (!skb) return -ENOMEM; cts = (struct ieee80211_cts *)skb->data; memset(cts, 0, MAX_DUMMY_FRM_BODY); cts->frame_control = cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS); cts->duration = cpu_to_le16(tx_ppdu_info->rx_status.rx_duration); memcpy(cts->ra, tx_ppdu_info->rx_status.addr1, sizeof(cts->ra)); skb_put(skb, sizeof(*cts)); tx_ppdu_info->tx_mon_mpdu->head = skb; tx_ppdu_info->tx_mon_mpdu->tail = NULL; list_add_tail(&tx_ppdu_info->tx_mon_mpdu->list, &tx_ppdu_info->dp_tx_mon_mpdu_list); return 0; } static int ath12k_dp_mon_tx_gen_rts_frame(struct dp_mon_tx_ppdu_info *tx_ppdu_info) { struct sk_buff *skb; struct ieee80211_rts *rts; skb = ath12k_dp_mon_tx_alloc_skb(); if (!skb) return -ENOMEM; rts = (struct ieee80211_rts *)skb->data; memset(rts, 0, MAX_DUMMY_FRM_BODY); rts->frame_control = cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS); rts->duration = cpu_to_le16(tx_ppdu_info->rx_status.rx_duration); memcpy(rts->ra, tx_ppdu_info->rx_status.addr1, sizeof(rts->ra)); memcpy(rts->ta, tx_ppdu_info->rx_status.addr2, sizeof(rts->ta)); skb_put(skb, sizeof(*rts)); tx_ppdu_info->tx_mon_mpdu->head = skb; tx_ppdu_info->tx_mon_mpdu->tail = NULL; list_add_tail(&tx_ppdu_info->tx_mon_mpdu->list, &tx_ppdu_info->dp_tx_mon_mpdu_list); return 0; } static int ath12k_dp_mon_tx_gen_3addr_qos_null_frame(struct dp_mon_tx_ppdu_info *tx_ppdu_info) { struct sk_buff *skb; struct ieee80211_qos_hdr *qhdr; skb = ath12k_dp_mon_tx_alloc_skb(); if (!skb) return -ENOMEM; qhdr = (struct ieee80211_qos_hdr *)skb->data; memset(qhdr, 0, MAX_DUMMY_FRM_BODY); qhdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC); qhdr->duration_id = cpu_to_le16(tx_ppdu_info->rx_status.rx_duration); memcpy(qhdr->addr1, tx_ppdu_info->rx_status.addr1, ETH_ALEN); memcpy(qhdr->addr2, tx_ppdu_info->rx_status.addr2, ETH_ALEN); memcpy(qhdr->addr3, tx_ppdu_info->rx_status.addr3, ETH_ALEN); skb_put(skb, sizeof(*qhdr)); tx_ppdu_info->tx_mon_mpdu->head = skb; tx_ppdu_info->tx_mon_mpdu->tail = NULL; list_add_tail(&tx_ppdu_info->tx_mon_mpdu->list, &tx_ppdu_info->dp_tx_mon_mpdu_list); return 0; } static int ath12k_dp_mon_tx_gen_4addr_qos_null_frame(struct dp_mon_tx_ppdu_info *tx_ppdu_info) { struct sk_buff *skb; struct dp_mon_qosframe_addr4 *qhdr; skb = ath12k_dp_mon_tx_alloc_skb(); if (!skb) return -ENOMEM; qhdr = (struct dp_mon_qosframe_addr4 *)skb->data; memset(qhdr, 0, MAX_DUMMY_FRM_BODY); qhdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC); qhdr->duration = cpu_to_le16(tx_ppdu_info->rx_status.rx_duration); memcpy(qhdr->addr1, tx_ppdu_info->rx_status.addr1, ETH_ALEN); memcpy(qhdr->addr2, tx_ppdu_info->rx_status.addr2, ETH_ALEN); memcpy(qhdr->addr3, tx_ppdu_info->rx_status.addr3, ETH_ALEN); memcpy(qhdr->addr4, tx_ppdu_info->rx_status.addr4, ETH_ALEN); skb_put(skb, sizeof(*qhdr)); tx_ppdu_info->tx_mon_mpdu->head = skb; tx_ppdu_info->tx_mon_mpdu->tail = NULL; list_add_tail(&tx_ppdu_info->tx_mon_mpdu->list, &tx_ppdu_info->dp_tx_mon_mpdu_list); return 0; } static int ath12k_dp_mon_tx_gen_ack_frame(struct dp_mon_tx_ppdu_info *tx_ppdu_info) { struct sk_buff *skb; struct dp_mon_frame_min_one *fbmhdr; skb = ath12k_dp_mon_tx_alloc_skb(); if (!skb) return -ENOMEM; fbmhdr = (struct dp_mon_frame_min_one *)skb->data; memset(fbmhdr, 0, MAX_DUMMY_FRM_BODY); fbmhdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_CFACK); memcpy(fbmhdr->addr1, tx_ppdu_info->rx_status.addr1, ETH_ALEN); /* set duration zero for ack frame */ fbmhdr->duration = 0; skb_put(skb, sizeof(*fbmhdr)); tx_ppdu_info->tx_mon_mpdu->head = skb; tx_ppdu_info->tx_mon_mpdu->tail = NULL; list_add_tail(&tx_ppdu_info->tx_mon_mpdu->list, &tx_ppdu_info->dp_tx_mon_mpdu_list); return 0; } static int ath12k_dp_mon_tx_gen_prot_frame(struct dp_mon_tx_ppdu_info *tx_ppdu_info) { int ret = 0; switch (tx_ppdu_info->rx_status.medium_prot_type) { case DP_MON_TX_MEDIUM_RTS_LEGACY: case DP_MON_TX_MEDIUM_RTS_11AC_STATIC_BW: case DP_MON_TX_MEDIUM_RTS_11AC_DYNAMIC_BW: ret = ath12k_dp_mon_tx_gen_rts_frame(tx_ppdu_info); break; case DP_MON_TX_MEDIUM_CTS2SELF: ret = ath12k_dp_mon_tx_gen_cts2self_frame(tx_ppdu_info); break; case DP_MON_TX_MEDIUM_QOS_NULL_NO_ACK_3ADDR: ret = ath12k_dp_mon_tx_gen_3addr_qos_null_frame(tx_ppdu_info); break; case DP_MON_TX_MEDIUM_QOS_NULL_NO_ACK_4ADDR: ret = ath12k_dp_mon_tx_gen_4addr_qos_null_frame(tx_ppdu_info); break; } return ret; } static enum dp_mon_tx_tlv_status ath12k_dp_mon_tx_parse_status_tlv(struct ath12k_base *ab, struct ath12k_mon_data *pmon, u16 tlv_tag, u8 *tlv_data, u32 userid) { struct dp_mon_tx_ppdu_info *tx_ppdu_info; enum dp_mon_tx_tlv_status status = DP_MON_TX_STATUS_PPDU_NOT_DONE; u32 info[7]; tx_ppdu_info = ath12k_dp_mon_hal_tx_ppdu_info(pmon, tlv_tag); switch (tlv_tag) { case HAL_TX_FES_SETUP: { struct hal_tx_fes_setup *tx_fes_setup = (struct hal_tx_fes_setup *)tlv_data; info[0] = __le32_to_cpu(tx_fes_setup->info0); tx_ppdu_info->ppdu_id = __le32_to_cpu(tx_fes_setup->schedule_id); tx_ppdu_info->num_users = u32_get_bits(info[0], HAL_TX_FES_SETUP_INFO0_NUM_OF_USERS); status = DP_MON_TX_FES_SETUP; break; } case HAL_TX_FES_STATUS_END: { struct hal_tx_fes_status_end *tx_fes_status_end = (struct hal_tx_fes_status_end *)tlv_data; u32 tst_15_0, tst_31_16; info[0] = __le32_to_cpu(tx_fes_status_end->info0); tst_15_0 = u32_get_bits(info[0], HAL_TX_FES_STATUS_END_INFO0_START_TIMESTAMP_15_0); tst_31_16 = u32_get_bits(info[0], HAL_TX_FES_STATUS_END_INFO0_START_TIMESTAMP_31_16); tx_ppdu_info->rx_status.ppdu_ts = (tst_15_0 | (tst_31_16 << 16)); status = DP_MON_TX_FES_STATUS_END; break; } case HAL_RX_RESPONSE_REQUIRED_INFO: { struct hal_rx_resp_req_info *rx_resp_req_info = (struct hal_rx_resp_req_info *)tlv_data; u32 addr_32; u16 addr_16; info[0] = __le32_to_cpu(rx_resp_req_info->info0); info[1] = __le32_to_cpu(rx_resp_req_info->info1); info[2] = __le32_to_cpu(rx_resp_req_info->info2); info[3] = __le32_to_cpu(rx_resp_req_info->info3); info[4] = __le32_to_cpu(rx_resp_req_info->info4); info[5] = __le32_to_cpu(rx_resp_req_info->info5); tx_ppdu_info->rx_status.ppdu_id = u32_get_bits(info[0], HAL_RX_RESP_REQ_INFO0_PPDU_ID); tx_ppdu_info->rx_status.reception_type = u32_get_bits(info[0], HAL_RX_RESP_REQ_INFO0_RECEPTION_TYPE); tx_ppdu_info->rx_status.rx_duration = u32_get_bits(info[1], HAL_RX_RESP_REQ_INFO1_DURATION); tx_ppdu_info->rx_status.mcs = u32_get_bits(info[1], HAL_RX_RESP_REQ_INFO1_RATE_MCS); tx_ppdu_info->rx_status.sgi = u32_get_bits(info[1], HAL_RX_RESP_REQ_INFO1_SGI); tx_ppdu_info->rx_status.is_stbc = u32_get_bits(info[1], HAL_RX_RESP_REQ_INFO1_STBC); tx_ppdu_info->rx_status.ldpc = u32_get_bits(info[1], HAL_RX_RESP_REQ_INFO1_LDPC); tx_ppdu_info->rx_status.is_ampdu = u32_get_bits(info[1], HAL_RX_RESP_REQ_INFO1_IS_AMPDU); tx_ppdu_info->rx_status.num_users = u32_get_bits(info[2], HAL_RX_RESP_REQ_INFO2_NUM_USER); addr_32 = u32_get_bits(info[3], HAL_RX_RESP_REQ_INFO3_ADDR1_31_0); addr_16 = u32_get_bits(info[3], HAL_RX_RESP_REQ_INFO4_ADDR1_47_32); ath12k_dp_get_mac_addr(addr_32, addr_16, tx_ppdu_info->rx_status.addr1); addr_16 = u32_get_bits(info[4], HAL_RX_RESP_REQ_INFO4_ADDR1_15_0); addr_32 = u32_get_bits(info[5], HAL_RX_RESP_REQ_INFO5_ADDR1_47_16); ath12k_dp_get_mac_addr(addr_32, addr_16, tx_ppdu_info->rx_status.addr2); if (tx_ppdu_info->rx_status.reception_type == 0) ath12k_dp_mon_tx_gen_cts2self_frame(tx_ppdu_info); status = DP_MON_RX_RESPONSE_REQUIRED_INFO; break; } case HAL_PCU_PPDU_SETUP_INIT: { struct hal_tx_pcu_ppdu_setup_init *ppdu_setup = (struct hal_tx_pcu_ppdu_setup_init *)tlv_data; u32 addr_32; u16 addr_16; info[0] = __le32_to_cpu(ppdu_setup->info0); info[1] = __le32_to_cpu(ppdu_setup->info1); info[2] = __le32_to_cpu(ppdu_setup->info2); info[3] = __le32_to_cpu(ppdu_setup->info3); info[4] = __le32_to_cpu(ppdu_setup->info4); info[5] = __le32_to_cpu(ppdu_setup->info5); info[6] = __le32_to_cpu(ppdu_setup->info6); /* protection frame address 1 */ addr_32 = u32_get_bits(info[1], HAL_TX_PPDU_SETUP_INFO1_PROT_FRAME_ADDR1_31_0); addr_16 = u32_get_bits(info[2], HAL_TX_PPDU_SETUP_INFO2_PROT_FRAME_ADDR1_47_32); ath12k_dp_get_mac_addr(addr_32, addr_16, tx_ppdu_info->rx_status.addr1); /* protection frame address 2 */ addr_16 = u32_get_bits(info[2], HAL_TX_PPDU_SETUP_INFO2_PROT_FRAME_ADDR2_15_0); addr_32 = u32_get_bits(info[3], HAL_TX_PPDU_SETUP_INFO3_PROT_FRAME_ADDR2_47_16); ath12k_dp_get_mac_addr(addr_32, addr_16, tx_ppdu_info->rx_status.addr2); /* protection frame address 3 */ addr_32 = u32_get_bits(info[4], HAL_TX_PPDU_SETUP_INFO4_PROT_FRAME_ADDR3_31_0); addr_16 = u32_get_bits(info[5], HAL_TX_PPDU_SETUP_INFO5_PROT_FRAME_ADDR3_47_32); ath12k_dp_get_mac_addr(addr_32, addr_16, tx_ppdu_info->rx_status.addr3); /* protection frame address 4 */ addr_16 = u32_get_bits(info[5], HAL_TX_PPDU_SETUP_INFO5_PROT_FRAME_ADDR4_15_0); addr_32 = u32_get_bits(info[6], HAL_TX_PPDU_SETUP_INFO6_PROT_FRAME_ADDR4_47_16); ath12k_dp_get_mac_addr(addr_32, addr_16, tx_ppdu_info->rx_status.addr4); status = u32_get_bits(info[0], HAL_TX_PPDU_SETUP_INFO0_MEDIUM_PROT_TYPE); break; } case HAL_TX_QUEUE_EXTENSION: { struct hal_tx_queue_exten *tx_q_exten = (struct hal_tx_queue_exten *)tlv_data; info[0] = __le32_to_cpu(tx_q_exten->info0); tx_ppdu_info->rx_status.frame_control = u32_get_bits(info[0], HAL_TX_Q_EXT_INFO0_FRAME_CTRL); tx_ppdu_info->rx_status.fc_valid = true; break; } case HAL_TX_FES_STATUS_START: { struct hal_tx_fes_status_start *tx_fes_start = (struct hal_tx_fes_status_start *)tlv_data; info[0] = __le32_to_cpu(tx_fes_start->info0); tx_ppdu_info->rx_status.medium_prot_type = u32_get_bits(info[0], HAL_TX_FES_STATUS_START_INFO0_MEDIUM_PROT_TYPE); break; } case HAL_TX_FES_STATUS_PROT: { struct hal_tx_fes_status_prot *tx_fes_status = (struct hal_tx_fes_status_prot *)tlv_data; u32 start_timestamp; u32 end_timestamp; info[0] = __le32_to_cpu(tx_fes_status->info0); info[1] = __le32_to_cpu(tx_fes_status->info1); start_timestamp = u32_get_bits(info[0], HAL_TX_FES_STAT_PROT_INFO0_STRT_FRM_TS_15_0); start_timestamp |= u32_get_bits(info[0], HAL_TX_FES_STAT_PROT_INFO0_STRT_FRM_TS_31_16) << 15; end_timestamp = u32_get_bits(info[1], HAL_TX_FES_STAT_PROT_INFO1_END_FRM_TS_15_0); end_timestamp |= u32_get_bits(info[1], HAL_TX_FES_STAT_PROT_INFO1_END_FRM_TS_31_16) << 15; tx_ppdu_info->rx_status.rx_duration = end_timestamp - start_timestamp; ath12k_dp_mon_tx_gen_prot_frame(tx_ppdu_info); break; } case HAL_TX_FES_STATUS_START_PPDU: case HAL_TX_FES_STATUS_START_PROT: { struct hal_tx_fes_status_start_prot *tx_fes_stat_start = (struct hal_tx_fes_status_start_prot *)tlv_data; u64 ppdu_ts; info[0] = __le32_to_cpu(tx_fes_stat_start->info0); tx_ppdu_info->rx_status.ppdu_ts = u32_get_bits(info[0], HAL_TX_FES_STAT_STRT_INFO0_PROT_TS_LOWER_32); ppdu_ts = (u32_get_bits(info[1], HAL_TX_FES_STAT_STRT_INFO1_PROT_TS_UPPER_32)); tx_ppdu_info->rx_status.ppdu_ts |= ppdu_ts << 32; break; } case HAL_TX_FES_STATUS_USER_PPDU: { struct hal_tx_fes_status_user_ppdu *tx_fes_usr_ppdu = (struct hal_tx_fes_status_user_ppdu *)tlv_data; info[0] = __le32_to_cpu(tx_fes_usr_ppdu->info0); tx_ppdu_info->rx_status.rx_duration = u32_get_bits(info[0], HAL_TX_FES_STAT_USR_PPDU_INFO0_DURATION); break; } case HAL_MACTX_HE_SIG_A_SU: ath12k_dp_mon_parse_he_sig_su(tlv_data, &tx_ppdu_info->rx_status); break; case HAL_MACTX_HE_SIG_A_MU_DL: ath12k_dp_mon_parse_he_sig_mu(tlv_data, &tx_ppdu_info->rx_status); break; case HAL_MACTX_HE_SIG_B1_MU: ath12k_dp_mon_parse_he_sig_b1_mu(tlv_data, &tx_ppdu_info->rx_status); break; case HAL_MACTX_HE_SIG_B2_MU: ath12k_dp_mon_parse_he_sig_b2_mu(tlv_data, &tx_ppdu_info->rx_status); break; case HAL_MACTX_HE_SIG_B2_OFDMA: ath12k_dp_mon_parse_he_sig_b2_ofdma(tlv_data, &tx_ppdu_info->rx_status); break; case HAL_MACTX_VHT_SIG_A: ath12k_dp_mon_parse_vht_sig_a(tlv_data, &tx_ppdu_info->rx_status); break; case HAL_MACTX_L_SIG_A: ath12k_dp_mon_parse_l_sig_a(tlv_data, &tx_ppdu_info->rx_status); break; case HAL_MACTX_L_SIG_B: ath12k_dp_mon_parse_l_sig_b(tlv_data, &tx_ppdu_info->rx_status); break; case HAL_RX_FRAME_BITMAP_ACK: { struct hal_rx_frame_bitmap_ack *fbm_ack = (struct hal_rx_frame_bitmap_ack *)tlv_data; u32 addr_32; u16 addr_16; info[0] = __le32_to_cpu(fbm_ack->info0); info[1] = __le32_to_cpu(fbm_ack->info1); addr_32 = u32_get_bits(info[0], HAL_RX_FBM_ACK_INFO0_ADDR1_31_0); addr_16 = u32_get_bits(info[1], HAL_RX_FBM_ACK_INFO1_ADDR1_47_32); ath12k_dp_get_mac_addr(addr_32, addr_16, tx_ppdu_info->rx_status.addr1); ath12k_dp_mon_tx_gen_ack_frame(tx_ppdu_info); break; } case HAL_MACTX_PHY_DESC: { struct hal_tx_phy_desc *tx_phy_desc = (struct hal_tx_phy_desc *)tlv_data; info[0] = __le32_to_cpu(tx_phy_desc->info0); info[1] = __le32_to_cpu(tx_phy_desc->info1); info[2] = __le32_to_cpu(tx_phy_desc->info2); info[3] = __le32_to_cpu(tx_phy_desc->info3); tx_ppdu_info->rx_status.beamformed = u32_get_bits(info[0], HAL_TX_PHY_DESC_INFO0_BF_TYPE); tx_ppdu_info->rx_status.preamble_type = u32_get_bits(info[0], HAL_TX_PHY_DESC_INFO0_PREAMBLE_11B); tx_ppdu_info->rx_status.mcs = u32_get_bits(info[1], HAL_TX_PHY_DESC_INFO1_MCS); tx_ppdu_info->rx_status.ltf_size = u32_get_bits(info[3], HAL_TX_PHY_DESC_INFO3_LTF_SIZE); tx_ppdu_info->rx_status.nss = u32_get_bits(info[2], HAL_TX_PHY_DESC_INFO2_NSS); tx_ppdu_info->rx_status.chan_num = u32_get_bits(info[3], HAL_TX_PHY_DESC_INFO3_ACTIVE_CHANNEL); tx_ppdu_info->rx_status.bw = u32_get_bits(info[0], HAL_TX_PHY_DESC_INFO0_BANDWIDTH); break; } case HAL_TX_MPDU_START: { struct dp_mon_mpdu *mon_mpdu = tx_ppdu_info->tx_mon_mpdu; mon_mpdu = kzalloc(sizeof(*mon_mpdu), GFP_ATOMIC); if (!mon_mpdu) return DP_MON_TX_STATUS_PPDU_NOT_DONE; status = DP_MON_TX_MPDU_START; break; } case HAL_MON_BUF_ADDR: { struct dp_rxdma_ring *buf_ring = &ab->dp.tx_mon_buf_ring; struct dp_mon_packet_info *packet_info = (struct dp_mon_packet_info *)tlv_data; int buf_id = u32_get_bits(packet_info->cookie, DP_RXDMA_BUF_COOKIE_BUF_ID); struct sk_buff *msdu; struct dp_mon_mpdu *mon_mpdu = tx_ppdu_info->tx_mon_mpdu; struct ath12k_skb_rxcb *rxcb; spin_lock_bh(&buf_ring->idr_lock); msdu = idr_remove(&buf_ring->bufs_idr, buf_id); spin_unlock_bh(&buf_ring->idr_lock); if (unlikely(!msdu)) { ath12k_warn(ab, "montior destination with invalid buf_id %d\n", buf_id); return DP_MON_TX_STATUS_PPDU_NOT_DONE; } rxcb = ATH12K_SKB_RXCB(msdu); dma_unmap_single(ab->dev, rxcb->paddr, msdu->len + skb_tailroom(msdu), DMA_FROM_DEVICE); if (!mon_mpdu->head) mon_mpdu->head = msdu; else if (mon_mpdu->tail) mon_mpdu->tail->next = msdu; mon_mpdu->tail = msdu; ath12k_dp_mon_buf_replenish(ab, buf_ring, 1); status = DP_MON_TX_BUFFER_ADDR; break; } case HAL_TX_MPDU_END: list_add_tail(&tx_ppdu_info->tx_mon_mpdu->list, &tx_ppdu_info->dp_tx_mon_mpdu_list); break; } return status; } enum dp_mon_tx_tlv_status ath12k_dp_mon_tx_status_get_num_user(u16 tlv_tag, struct hal_tlv_hdr *tx_tlv, u8 *num_users) { u32 tlv_status = DP_MON_TX_STATUS_PPDU_NOT_DONE; u32 info0; switch (tlv_tag) { case HAL_TX_FES_SETUP: { struct hal_tx_fes_setup *tx_fes_setup = (struct hal_tx_fes_setup *)tx_tlv; info0 = __le32_to_cpu(tx_fes_setup->info0); *num_users = u32_get_bits(info0, HAL_TX_FES_SETUP_INFO0_NUM_OF_USERS); tlv_status = DP_MON_TX_FES_SETUP; break; } case HAL_RX_RESPONSE_REQUIRED_INFO: { /* TODO: need to update *num_users */ tlv_status = DP_MON_RX_RESPONSE_REQUIRED_INFO; break; } } return tlv_status; } static void ath12k_dp_mon_tx_process_ppdu_info(struct ath12k *ar, int mac_id, struct napi_struct *napi, struct dp_mon_tx_ppdu_info *tx_ppdu_info) { struct dp_mon_mpdu *tmp, *mon_mpdu; struct sk_buff *head_msdu; list_for_each_entry_safe(mon_mpdu, tmp, &tx_ppdu_info->dp_tx_mon_mpdu_list, list) { list_del(&mon_mpdu->list); head_msdu = mon_mpdu->head; if (head_msdu) ath12k_dp_mon_rx_deliver(ar, mac_id, head_msdu, &tx_ppdu_info->rx_status, napi); kfree(mon_mpdu); } } enum hal_rx_mon_status ath12k_dp_mon_tx_parse_mon_status(struct ath12k *ar, struct ath12k_mon_data *pmon, int mac_id, struct sk_buff *skb, struct napi_struct *napi, u32 ppdu_id) { struct ath12k_base *ab = ar->ab; struct dp_mon_tx_ppdu_info *tx_prot_ppdu_info, *tx_data_ppdu_info; struct hal_tlv_hdr *tlv; u8 *ptr = skb->data; u16 tlv_tag; u16 tlv_len; u32 tlv_userid = 0; u8 num_user; u32 tlv_status = DP_MON_TX_STATUS_PPDU_NOT_DONE; tx_prot_ppdu_info = ath12k_dp_mon_tx_get_ppdu_info(pmon, ppdu_id, DP_MON_TX_PROT_PPDU_INFO); if (!tx_prot_ppdu_info) return -ENOMEM; tlv = (struct hal_tlv_hdr *)ptr; tlv_tag = le32_get_bits(tlv->tl, HAL_TLV_HDR_TAG); tlv_status = ath12k_dp_mon_tx_status_get_num_user(tlv_tag, tlv, &num_user); if (tlv_status == DP_MON_TX_STATUS_PPDU_NOT_DONE || !num_user) return -EINVAL; tx_data_ppdu_info = ath12k_dp_mon_tx_get_ppdu_info(pmon, ppdu_id, DP_MON_TX_DATA_PPDU_INFO); if (!tx_data_ppdu_info) return -ENOMEM; do { tlv = (struct hal_tlv_hdr *)ptr; tlv_tag = le32_get_bits(tlv->tl, HAL_TLV_HDR_TAG); tlv_len = le32_get_bits(tlv->tl, HAL_TLV_HDR_LEN); tlv_userid = le32_get_bits(tlv->tl, HAL_TLV_USR_ID); tlv_status = ath12k_dp_mon_tx_parse_status_tlv(ab, pmon, tlv_tag, ptr, tlv_userid); ptr += tlv_len; ptr = PTR_ALIGN(ptr, HAL_TLV_ALIGN); if ((ptr - skb->data) >= DP_TX_MONITOR_BUF_SIZE) break; } while (tlv_status != DP_MON_TX_FES_STATUS_END); ath12k_dp_mon_tx_process_ppdu_info(ar, mac_id, napi, tx_data_ppdu_info); ath12k_dp_mon_tx_process_ppdu_info(ar, mac_id, napi, tx_prot_ppdu_info); return tlv_status; } int ath12k_dp_mon_srng_process(struct ath12k *ar, int mac_id, int *budget, enum dp_monitor_mode monitor_mode, struct napi_struct *napi) { struct hal_mon_dest_desc *mon_dst_desc; struct ath12k_pdev_dp *pdev_dp = &ar->dp; struct ath12k_mon_data *pmon = (struct ath12k_mon_data *)&pdev_dp->mon_data; struct ath12k_base *ab = ar->ab; struct ath12k_dp *dp = &ab->dp; struct sk_buff *skb; struct ath12k_skb_rxcb *rxcb; struct dp_srng *mon_dst_ring; struct hal_srng *srng; struct dp_rxdma_ring *buf_ring; u64 cookie; u32 ppdu_id; int num_buffs_reaped = 0, srng_id, buf_id; u8 dest_idx = 0, i; bool end_of_ppdu; struct hal_rx_mon_ppdu_info *ppdu_info; struct ath12k_peer *peer = NULL; ppdu_info = &pmon->mon_ppdu_info; memset(ppdu_info, 0, sizeof(*ppdu_info)); ppdu_info->peer_id = HAL_INVALID_PEERID; srng_id = ath12k_hw_mac_id_to_srng_id(ab->hw_params, mac_id); if (monitor_mode == ATH12K_DP_RX_MONITOR_MODE) { mon_dst_ring = &pdev_dp->rxdma_mon_dst_ring[srng_id]; buf_ring = &dp->rxdma_mon_buf_ring; } else { mon_dst_ring = &pdev_dp->tx_mon_dst_ring[srng_id]; buf_ring = &dp->tx_mon_buf_ring; } srng = &ab->hal.srng_list[mon_dst_ring->ring_id]; spin_lock_bh(&srng->lock); ath12k_hal_srng_access_begin(ab, srng); while (likely(*budget)) { *budget -= 1; mon_dst_desc = ath12k_hal_srng_dst_peek(ab, srng); if (unlikely(!mon_dst_desc)) break; cookie = le32_to_cpu(mon_dst_desc->cookie); buf_id = u32_get_bits(cookie, DP_RXDMA_BUF_COOKIE_BUF_ID); spin_lock_bh(&buf_ring->idr_lock); skb = idr_remove(&buf_ring->bufs_idr, buf_id); spin_unlock_bh(&buf_ring->idr_lock); if (unlikely(!skb)) { ath12k_warn(ab, "montior destination with invalid buf_id %d\n", buf_id); goto move_next; } rxcb = ATH12K_SKB_RXCB(skb); dma_unmap_single(ab->dev, rxcb->paddr, skb->len + skb_tailroom(skb), DMA_FROM_DEVICE); pmon->dest_skb_q[dest_idx] = skb; dest_idx++; ppdu_id = le32_to_cpu(mon_dst_desc->ppdu_id); end_of_ppdu = le32_get_bits(mon_dst_desc->info0, HAL_MON_DEST_INFO0_END_OF_PPDU); if (!end_of_ppdu) continue; for (i = 0; i < dest_idx; i++) { skb = pmon->dest_skb_q[i]; if (monitor_mode == ATH12K_DP_RX_MONITOR_MODE) ath12k_dp_mon_rx_parse_mon_status(ar, pmon, mac_id, skb, napi); else ath12k_dp_mon_tx_parse_mon_status(ar, pmon, mac_id, skb, napi, ppdu_id); peer = ath12k_peer_find_by_id(ab, ppdu_info->peer_id); if (!peer || !peer->sta) { ath12k_dbg(ab, ATH12K_DBG_DATA, "failed to find the peer with peer_id %d\n", ppdu_info->peer_id); dev_kfree_skb_any(skb); continue; } dev_kfree_skb_any(skb); pmon->dest_skb_q[i] = NULL; } dest_idx = 0; move_next: ath12k_dp_mon_buf_replenish(ab, buf_ring, 1); ath12k_hal_srng_src_get_next_entry(ab, srng); num_buffs_reaped++; } ath12k_hal_srng_access_end(ab, srng); spin_unlock_bh(&srng->lock); return num_buffs_reaped; } static void ath12k_dp_mon_rx_update_peer_rate_table_stats(struct ath12k_rx_peer_stats *rx_stats, struct hal_rx_mon_ppdu_info *ppdu_info, struct hal_rx_user_status *user_stats, u32 num_msdu) { u32 rate_idx = 0; u32 mcs_idx = (user_stats) ? user_stats->mcs : ppdu_info->mcs; u32 nss_idx = (user_stats) ? user_stats->nss - 1 : ppdu_info->nss - 1; u32 bw_idx = ppdu_info->bw; u32 gi_idx = ppdu_info->gi; if ((mcs_idx > HAL_RX_MAX_MCS_HE) || (nss_idx >= HAL_RX_MAX_NSS) || (bw_idx >= HAL_RX_BW_MAX) || (gi_idx >= HAL_RX_GI_MAX)) { return; } if (ppdu_info->preamble_type == HAL_RX_PREAMBLE_11N || ppdu_info->preamble_type == HAL_RX_PREAMBLE_11AC) { rate_idx = mcs_idx * 8 + 8 * 10 * nss_idx; rate_idx += bw_idx * 2 + gi_idx; } else if (ppdu_info->preamble_type == HAL_RX_PREAMBLE_11AX) { gi_idx = ath12k_he_gi_to_nl80211_he_gi(ppdu_info->gi); rate_idx = mcs_idx * 12 + 12 * 12 * nss_idx; rate_idx += bw_idx * 3 + gi_idx; } else { return; } rx_stats->pkt_stats.rx_rate[rate_idx] += num_msdu; if (user_stats) rx_stats->byte_stats.rx_rate[rate_idx] += user_stats->mpdu_ok_byte_count; else rx_stats->byte_stats.rx_rate[rate_idx] += ppdu_info->mpdu_len; } static void ath12k_dp_mon_rx_update_peer_su_stats(struct ath12k *ar, struct ath12k_sta *arsta, struct hal_rx_mon_ppdu_info *ppdu_info) { struct ath12k_rx_peer_stats *rx_stats = arsta->rx_stats; u32 num_msdu; if (!rx_stats) return; arsta->rssi_comb = ppdu_info->rssi_comb; num_msdu = ppdu_info->tcp_msdu_count + ppdu_info->tcp_ack_msdu_count + ppdu_info->udp_msdu_count + ppdu_info->other_msdu_count; rx_stats->num_msdu += num_msdu; rx_stats->tcp_msdu_count += ppdu_info->tcp_msdu_count + ppdu_info->tcp_ack_msdu_count; rx_stats->udp_msdu_count += ppdu_info->udp_msdu_count; rx_stats->other_msdu_count += ppdu_info->other_msdu_count; if (ppdu_info->preamble_type == HAL_RX_PREAMBLE_11A || ppdu_info->preamble_type == HAL_RX_PREAMBLE_11B) { ppdu_info->nss = 1; ppdu_info->mcs = HAL_RX_MAX_MCS; ppdu_info->tid = IEEE80211_NUM_TIDS; } if (ppdu_info->ldpc < HAL_RX_SU_MU_CODING_MAX) rx_stats->coding_count[ppdu_info->ldpc] += num_msdu; if (ppdu_info->tid <= IEEE80211_NUM_TIDS) rx_stats->tid_count[ppdu_info->tid] += num_msdu; if (ppdu_info->preamble_type < HAL_RX_PREAMBLE_MAX) rx_stats->pream_cnt[ppdu_info->preamble_type] += num_msdu; if (ppdu_info->reception_type < HAL_RX_RECEPTION_TYPE_MAX) rx_stats->reception_type[ppdu_info->reception_type] += num_msdu; if (ppdu_info->is_stbc) rx_stats->stbc_count += num_msdu; if (ppdu_info->beamformed) rx_stats->beamformed_count += num_msdu; if (ppdu_info->num_mpdu_fcs_ok > 1) rx_stats->ampdu_msdu_count += num_msdu; else rx_stats->non_ampdu_msdu_count += num_msdu; rx_stats->num_mpdu_fcs_ok += ppdu_info->num_mpdu_fcs_ok; rx_stats->num_mpdu_fcs_err += ppdu_info->num_mpdu_fcs_err; rx_stats->dcm_count += ppdu_info->dcm; rx_stats->rx_duration += ppdu_info->rx_duration; arsta->rx_duration = rx_stats->rx_duration; if (ppdu_info->nss > 0 && ppdu_info->nss <= HAL_RX_MAX_NSS) { rx_stats->pkt_stats.nss_count[ppdu_info->nss - 1] += num_msdu; rx_stats->byte_stats.nss_count[ppdu_info->nss - 1] += ppdu_info->mpdu_len; } if (ppdu_info->preamble_type == HAL_RX_PREAMBLE_11N && ppdu_info->mcs <= HAL_RX_MAX_MCS_HT) { rx_stats->pkt_stats.ht_mcs_count[ppdu_info->mcs] += num_msdu; rx_stats->byte_stats.ht_mcs_count[ppdu_info->mcs] += ppdu_info->mpdu_len; /* To fit into rate table for HT packets */ ppdu_info->mcs = ppdu_info->mcs % 8; } if (ppdu_info->preamble_type == HAL_RX_PREAMBLE_11AC && ppdu_info->mcs <= HAL_RX_MAX_MCS_VHT) { rx_stats->pkt_stats.vht_mcs_count[ppdu_info->mcs] += num_msdu; rx_stats->byte_stats.vht_mcs_count[ppdu_info->mcs] += ppdu_info->mpdu_len; } if (ppdu_info->preamble_type == HAL_RX_PREAMBLE_11AX && ppdu_info->mcs <= HAL_RX_MAX_MCS_HE) { rx_stats->pkt_stats.he_mcs_count[ppdu_info->mcs] += num_msdu; rx_stats->byte_stats.he_mcs_count[ppdu_info->mcs] += ppdu_info->mpdu_len; } if ((ppdu_info->preamble_type == HAL_RX_PREAMBLE_11A || ppdu_info->preamble_type == HAL_RX_PREAMBLE_11B) && ppdu_info->rate < HAL_RX_LEGACY_RATE_INVALID) { rx_stats->pkt_stats.legacy_count[ppdu_info->rate] += num_msdu; rx_stats->byte_stats.legacy_count[ppdu_info->rate] += ppdu_info->mpdu_len; } if (ppdu_info->gi < HAL_RX_GI_MAX) { rx_stats->pkt_stats.gi_count[ppdu_info->gi] += num_msdu; rx_stats->byte_stats.gi_count[ppdu_info->gi] += ppdu_info->mpdu_len; } if (ppdu_info->bw < HAL_RX_BW_MAX) { rx_stats->pkt_stats.bw_count[ppdu_info->bw] += num_msdu; rx_stats->byte_stats.bw_count[ppdu_info->bw] += ppdu_info->mpdu_len; } ath12k_dp_mon_rx_update_peer_rate_table_stats(rx_stats, ppdu_info, NULL, num_msdu); } void ath12k_dp_mon_rx_process_ulofdma(struct hal_rx_mon_ppdu_info *ppdu_info) { struct hal_rx_user_status *rx_user_status; u32 num_users, i, mu_ul_user_v0_word0, mu_ul_user_v0_word1, ru_size; if (!(ppdu_info->reception_type == HAL_RX_RECEPTION_TYPE_MU_MIMO || ppdu_info->reception_type == HAL_RX_RECEPTION_TYPE_MU_OFDMA || ppdu_info->reception_type == HAL_RX_RECEPTION_TYPE_MU_OFDMA_MIMO)) return; num_users = ppdu_info->num_users; if (num_users > HAL_MAX_UL_MU_USERS) num_users = HAL_MAX_UL_MU_USERS; for (i = 0; i < num_users; i++) { rx_user_status = &ppdu_info->userstats[i]; mu_ul_user_v0_word0 = rx_user_status->ul_ofdma_user_v0_word0; mu_ul_user_v0_word1 = rx_user_status->ul_ofdma_user_v0_word1; if (u32_get_bits(mu_ul_user_v0_word0, HAL_RX_UL_OFDMA_USER_INFO_V0_W0_VALID) && !u32_get_bits(mu_ul_user_v0_word0, HAL_RX_UL_OFDMA_USER_INFO_V0_W0_VER)) { rx_user_status->mcs = u32_get_bits(mu_ul_user_v0_word1, HAL_RX_UL_OFDMA_USER_INFO_V0_W1_MCS); rx_user_status->nss = u32_get_bits(mu_ul_user_v0_word1, HAL_RX_UL_OFDMA_USER_INFO_V0_W1_NSS) + 1; rx_user_status->ofdma_info_valid = 1; rx_user_status->ul_ofdma_ru_start_index = u32_get_bits(mu_ul_user_v0_word1, HAL_RX_UL_OFDMA_USER_INFO_V0_W1_RU_START); ru_size = u32_get_bits(mu_ul_user_v0_word1, HAL_RX_UL_OFDMA_USER_INFO_V0_W1_RU_SIZE); rx_user_status->ul_ofdma_ru_width = ru_size; rx_user_status->ul_ofdma_ru_size = ru_size; } rx_user_status->ldpc = u32_get_bits(mu_ul_user_v0_word1, HAL_RX_UL_OFDMA_USER_INFO_V0_W1_LDPC); } ppdu_info->ldpc = 1; } static void ath12k_dp_mon_rx_update_user_stats(struct ath12k *ar, struct hal_rx_mon_ppdu_info *ppdu_info, u32 uid) { struct ath12k_sta *arsta = NULL; struct ath12k_rx_peer_stats *rx_stats = NULL; struct hal_rx_user_status *user_stats = &ppdu_info->userstats[uid]; struct ath12k_peer *peer; u32 num_msdu; if (user_stats->ast_index == 0 || user_stats->ast_index == 0xFFFF) return; peer = ath12k_peer_find_by_ast(ar->ab, user_stats->ast_index); if (!peer) { ath12k_warn(ar->ab, "peer ast idx %d can't be found\n", user_stats->ast_index); return; } arsta = (struct ath12k_sta *)peer->sta->drv_priv; rx_stats = arsta->rx_stats; if (!rx_stats) return; arsta->rssi_comb = ppdu_info->rssi_comb; num_msdu = user_stats->tcp_msdu_count + user_stats->tcp_ack_msdu_count + user_stats->udp_msdu_count + user_stats->other_msdu_count; rx_stats->num_msdu += num_msdu; rx_stats->tcp_msdu_count += user_stats->tcp_msdu_count + user_stats->tcp_ack_msdu_count; rx_stats->udp_msdu_count += user_stats->udp_msdu_count; rx_stats->other_msdu_count += user_stats->other_msdu_count; if (ppdu_info->ldpc < HAL_RX_SU_MU_CODING_MAX) rx_stats->coding_count[ppdu_info->ldpc] += num_msdu; if (user_stats->tid <= IEEE80211_NUM_TIDS) rx_stats->tid_count[user_stats->tid] += num_msdu; if (user_stats->preamble_type < HAL_RX_PREAMBLE_MAX) rx_stats->pream_cnt[user_stats->preamble_type] += num_msdu; if (ppdu_info->reception_type < HAL_RX_RECEPTION_TYPE_MAX) rx_stats->reception_type[ppdu_info->reception_type] += num_msdu; if (ppdu_info->is_stbc) rx_stats->stbc_count += num_msdu; if (ppdu_info->beamformed) rx_stats->beamformed_count += num_msdu; if (user_stats->mpdu_cnt_fcs_ok > 1) rx_stats->ampdu_msdu_count += num_msdu; else rx_stats->non_ampdu_msdu_count += num_msdu; rx_stats->num_mpdu_fcs_ok += user_stats->mpdu_cnt_fcs_ok; rx_stats->num_mpdu_fcs_err += user_stats->mpdu_cnt_fcs_err; rx_stats->dcm_count += ppdu_info->dcm; if (ppdu_info->reception_type == HAL_RX_RECEPTION_TYPE_MU_OFDMA || ppdu_info->reception_type == HAL_RX_RECEPTION_TYPE_MU_OFDMA_MIMO) rx_stats->ru_alloc_cnt[user_stats->ul_ofdma_ru_size] += num_msdu; rx_stats->rx_duration += ppdu_info->rx_duration; arsta->rx_duration = rx_stats->rx_duration; if (user_stats->nss > 0 && user_stats->nss <= HAL_RX_MAX_NSS) { rx_stats->pkt_stats.nss_count[user_stats->nss - 1] += num_msdu; rx_stats->byte_stats.nss_count[user_stats->nss - 1] += user_stats->mpdu_ok_byte_count; } if (user_stats->preamble_type == HAL_RX_PREAMBLE_11AX && user_stats->mcs <= HAL_RX_MAX_MCS_HE) { rx_stats->pkt_stats.he_mcs_count[user_stats->mcs] += num_msdu; rx_stats->byte_stats.he_mcs_count[user_stats->mcs] += user_stats->mpdu_ok_byte_count; } if (ppdu_info->gi < HAL_RX_GI_MAX) { rx_stats->pkt_stats.gi_count[ppdu_info->gi] += num_msdu; rx_stats->byte_stats.gi_count[ppdu_info->gi] += user_stats->mpdu_ok_byte_count; } if (ppdu_info->bw < HAL_RX_BW_MAX) { rx_stats->pkt_stats.bw_count[ppdu_info->bw] += num_msdu; rx_stats->byte_stats.bw_count[ppdu_info->bw] += user_stats->mpdu_ok_byte_count; } ath12k_dp_mon_rx_update_peer_rate_table_stats(rx_stats, ppdu_info, user_stats, num_msdu); } static void ath12k_dp_mon_rx_update_peer_mu_stats(struct ath12k *ar, struct hal_rx_mon_ppdu_info *ppdu_info) { u32 num_users, i; num_users = ppdu_info->num_users; if (num_users > HAL_MAX_UL_MU_USERS) num_users = HAL_MAX_UL_MU_USERS; for (i = 0; i < num_users; i++) ath12k_dp_mon_rx_update_user_stats(ar, ppdu_info, i); } int ath12k_dp_mon_rx_process_stats(struct ath12k *ar, int mac_id, struct napi_struct *napi, int *budget) { struct ath12k_base *ab = ar->ab; struct ath12k_pdev_dp *pdev_dp = &ar->dp; struct ath12k_mon_data *pmon = (struct ath12k_mon_data *)&pdev_dp->mon_data; struct hal_rx_mon_ppdu_info *ppdu_info = &pmon->mon_ppdu_info; struct ath12k_dp *dp = &ab->dp; struct hal_mon_dest_desc *mon_dst_desc; struct sk_buff *skb; struct ath12k_skb_rxcb *rxcb; struct dp_srng *mon_dst_ring; struct hal_srng *srng; struct dp_rxdma_ring *buf_ring; struct ath12k_sta *arsta = NULL; struct ath12k_peer *peer; u64 cookie; int num_buffs_reaped = 0, srng_id, buf_id; u8 dest_idx = 0, i; bool end_of_ppdu; u32 hal_status; srng_id = ath12k_hw_mac_id_to_srng_id(ab->hw_params, mac_id); mon_dst_ring = &pdev_dp->rxdma_mon_dst_ring[srng_id]; buf_ring = &dp->rxdma_mon_buf_ring; srng = &ab->hal.srng_list[mon_dst_ring->ring_id]; spin_lock_bh(&srng->lock); ath12k_hal_srng_access_begin(ab, srng); while (likely(*budget)) { *budget -= 1; mon_dst_desc = ath12k_hal_srng_dst_peek(ab, srng); if (unlikely(!mon_dst_desc)) break; cookie = le32_to_cpu(mon_dst_desc->cookie); buf_id = u32_get_bits(cookie, DP_RXDMA_BUF_COOKIE_BUF_ID); spin_lock_bh(&buf_ring->idr_lock); skb = idr_remove(&buf_ring->bufs_idr, buf_id); spin_unlock_bh(&buf_ring->idr_lock); if (unlikely(!skb)) { ath12k_warn(ab, "montior destination with invalid buf_id %d\n", buf_id); goto move_next; } rxcb = ATH12K_SKB_RXCB(skb); dma_unmap_single(ab->dev, rxcb->paddr, skb->len + skb_tailroom(skb), DMA_FROM_DEVICE); pmon->dest_skb_q[dest_idx] = skb; dest_idx++; end_of_ppdu = le32_get_bits(mon_dst_desc->info0, HAL_MON_DEST_INFO0_END_OF_PPDU); if (!end_of_ppdu) continue; for (i = 0; i < dest_idx; i++) { skb = pmon->dest_skb_q[i]; hal_status = ath12k_dp_mon_parse_rx_dest(ab, pmon, skb); if (ppdu_info->peer_id == HAL_INVALID_PEERID || hal_status != HAL_RX_MON_STATUS_PPDU_DONE) { dev_kfree_skb_any(skb); continue; } rcu_read_lock(); spin_lock_bh(&ab->base_lock); peer = ath12k_peer_find_by_id(ab, ppdu_info->peer_id); if (!peer || !peer->sta) { ath12k_dbg(ab, ATH12K_DBG_DATA, "failed to find the peer with peer_id %d\n", ppdu_info->peer_id); spin_unlock_bh(&ab->base_lock); rcu_read_unlock(); dev_kfree_skb_any(skb); continue; } if (ppdu_info->reception_type == HAL_RX_RECEPTION_TYPE_SU) { arsta = (struct ath12k_sta *)peer->sta->drv_priv; ath12k_dp_mon_rx_update_peer_su_stats(ar, arsta, ppdu_info); } else if ((ppdu_info->fc_valid) && (ppdu_info->ast_index != HAL_AST_IDX_INVALID)) { ath12k_dp_mon_rx_process_ulofdma(ppdu_info); ath12k_dp_mon_rx_update_peer_mu_stats(ar, ppdu_info); } spin_unlock_bh(&ab->base_lock); rcu_read_unlock(); dev_kfree_skb_any(skb); memset(ppdu_info, 0, sizeof(*ppdu_info)); ppdu_info->peer_id = HAL_INVALID_PEERID; } dest_idx = 0; move_next: ath12k_dp_mon_buf_replenish(ab, buf_ring, 1); ath12k_hal_srng_src_get_next_entry(ab, srng); num_buffs_reaped++; } ath12k_hal_srng_access_end(ab, srng); spin_unlock_bh(&srng->lock); return num_buffs_reaped; } int ath12k_dp_mon_process_ring(struct ath12k_base *ab, int mac_id, struct napi_struct *napi, int budget, enum dp_monitor_mode monitor_mode) { struct ath12k *ar = ath12k_ab_to_ar(ab, mac_id); int num_buffs_reaped = 0; if (!ar->monitor_started) ath12k_dp_mon_rx_process_stats(ar, mac_id, napi, &budget); else num_buffs_reaped = ath12k_dp_mon_srng_process(ar, mac_id, &budget, monitor_mode, napi); return num_buffs_reaped; }