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linux-zen-desktop/drivers/net/wireless/ath/ath12k/dp_mon.c

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// 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, "monitor 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 expects 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;
int 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, "monitor 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, "monitor 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, "monitor 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;
}
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