Currently, monitor is not enabled. However, in the future, the monitor will be enabled. Therefore, add the necessary HAL_PHYRX_GENERIC_U_SIG TLV parsing support in monitor Rx path, which help to populate the EHT radiotap data. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Co-developed-by: P Praneesh <quic_ppranees@xxxxxxxxxxx> Signed-off-by: P Praneesh <quic_ppranees@xxxxxxxxxxx> Signed-off-by: Karthikeyan Periyasamy <quic_periyasa@xxxxxxxxxxx> --- drivers/net/wireless/ath/ath12k/dp_mon.c | 211 ++++++++++++++++++++++- drivers/net/wireless/ath/ath12k/hal_rx.h | 60 +++++++ 2 files changed, 270 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath12k/dp_mon.c b/drivers/net/wireless/ath/ath12k/dp_mon.c index 4e9a60181c06..4c8fe1b65fda 100644 --- a/drivers/net/wireless/ath/ath12k/dp_mon.c +++ b/drivers/net/wireless/ath/ath12k/dp_mon.c @@ -10,6 +10,9 @@ #include "dp_tx.h" #include "peer.h" +#define ATH12K_LE32_DEC_ENC(value, dec_bits, enc_bits) \ + u32_encode_bits(le32_get_bits(value, dec_bits), enc_bits) + static void ath12k_dp_mon_rx_handle_ofdma_info(const struct hal_rx_ppdu_end_user_stats *ppdu_end_user, struct hal_rx_user_status *rx_user_status) @@ -562,6 +565,193 @@ static void ath12k_dp_mon_parse_he_sig_su(const struct hal_rx_he_sig_a_su_info * ppdu_info->reception_type = HAL_RX_RECEPTION_TYPE_SU; } +static enum hal_rx_mon_status +ath12k_dp_mon_hal_rx_parse_u_sig_cmn(const struct hal_mon_usig_cmn *cmn, + struct hal_rx_mon_ppdu_info *ppdu_info) +{ + u32 common; + u8 bw; + + bw = le32_get_bits(cmn->info0, HAL_RX_USIG_CMN_INFO0_BW); + + common = __le32_to_cpu(ppdu_info->usig.common); + common |= IEEE80211_RADIOTAP_EHT_USIG_COMMON_PHY_VER_KNOWN | + IEEE80211_RADIOTAP_EHT_USIG_COMMON_BW_KNOWN | + IEEE80211_RADIOTAP_EHT_USIG_COMMON_UL_DL_KNOWN | + IEEE80211_RADIOTAP_EHT_USIG_COMMON_BSS_COLOR_KNOWN | + IEEE80211_RADIOTAP_EHT_USIG_COMMON_TXOP_KNOWN | + ATH12K_LE32_DEC_ENC(cmn->info0, + HAL_RX_USIG_CMN_INFO0_PHY_VERSION, + IEEE80211_RADIOTAP_EHT_USIG_COMMON_PHY_VER) | + u32_encode_bits(bw, IEEE80211_RADIOTAP_EHT_USIG_COMMON_BW) | + ATH12K_LE32_DEC_ENC(cmn->info0, + HAL_RX_USIG_CMN_INFO0_UL_DL, + IEEE80211_RADIOTAP_EHT_USIG_COMMON_UL_DL) | + ATH12K_LE32_DEC_ENC(cmn->info0, + HAL_RX_USIG_CMN_INFO0_BSS_COLOR, + IEEE80211_RADIOTAP_EHT_USIG_COMMON_BSS_COLOR) | + ATH12K_LE32_DEC_ENC(cmn->info0, + HAL_RX_USIG_CMN_INFO0_TXOP, + IEEE80211_RADIOTAP_EHT_USIG_COMMON_TXOP); + ppdu_info->usig.common = cpu_to_le32(common); + + switch (bw) { + default: + fallthrough; + case HAL_EHT_BW_20: + ppdu_info->bw = HAL_RX_BW_20MHZ; + break; + case HAL_EHT_BW_40: + ppdu_info->bw = HAL_RX_BW_40MHZ; + break; + case HAL_EHT_BW_80: + ppdu_info->bw = HAL_RX_BW_80MHZ; + break; + case HAL_EHT_BW_160: + ppdu_info->bw = HAL_RX_BW_160MHZ; + break; + case HAL_EHT_BW_320_1: + case HAL_EHT_BW_320_2: + ppdu_info->bw = HAL_RX_BW_320MHZ; + break; + } + + return HAL_TLV_STATUS_PPDU_NOT_DONE; +} + +static enum hal_rx_mon_status +ath12k_dp_mon_hal_rx_parse_u_sig_tb(const struct hal_mon_usig_tb *usig_tb, + struct hal_rx_mon_ppdu_info *ppdu_info) +{ + enum ieee80211_radiotap_eht_usig_tb spatial_reuse1, spatial_reuse2; + u32 common, value, mask; + + spatial_reuse1 = IEEE80211_RADIOTAP_EHT_USIG2_TB_B3_B6_SPATIAL_REUSE_1; + spatial_reuse2 = IEEE80211_RADIOTAP_EHT_USIG2_TB_B7_B10_SPATIAL_REUSE_2; + + common = __le32_to_cpu(ppdu_info->usig.common); + value = __le32_to_cpu(ppdu_info->usig.value); + mask = __le32_to_cpu(ppdu_info->usig.mask); + + common |= ATH12K_LE32_DEC_ENC(usig_tb->info0, + HAL_RX_USIG_TB_INFO0_RX_INTEG_CHECK_PASS, + IEEE80211_RADIOTAP_EHT_USIG_COMMON_BAD_USIG_CRC); + + value |= IEEE80211_RADIOTAP_EHT_USIG1_TB_B20_B25_DISREGARD | + ATH12K_LE32_DEC_ENC(usig_tb->info0, + HAL_RX_USIG_TB_INFO0_PPDU_TYPE_COMP_MODE, + IEEE80211_RADIOTAP_EHT_USIG2_TB_B0_B1_PPDU_TYPE) | + IEEE80211_RADIOTAP_EHT_USIG2_TB_B2_VALIDATE | + ATH12K_LE32_DEC_ENC(usig_tb->info0, + HAL_RX_USIG_TB_INFO0_SPATIAL_REUSE_1, + spatial_reuse1) | + ATH12K_LE32_DEC_ENC(usig_tb->info0, + HAL_RX_USIG_TB_INFO0_SPATIAL_REUSE_2, + spatial_reuse2) | + IEEE80211_RADIOTAP_EHT_USIG2_TB_B11_B15_DISREGARD | + ATH12K_LE32_DEC_ENC(usig_tb->info0, + HAL_RX_USIG_TB_INFO0_CRC, + IEEE80211_RADIOTAP_EHT_USIG2_TB_B16_B19_CRC) | + ATH12K_LE32_DEC_ENC(usig_tb->info0, + HAL_RX_USIG_TB_INFO0_TAIL, + IEEE80211_RADIOTAP_EHT_USIG2_TB_B20_B25_TAIL); + + mask |= IEEE80211_RADIOTAP_EHT_USIG1_TB_B20_B25_DISREGARD | + IEEE80211_RADIOTAP_EHT_USIG2_TB_B0_B1_PPDU_TYPE | + IEEE80211_RADIOTAP_EHT_USIG2_TB_B2_VALIDATE | + spatial_reuse1 | spatial_reuse2 | + IEEE80211_RADIOTAP_EHT_USIG2_TB_B11_B15_DISREGARD | + IEEE80211_RADIOTAP_EHT_USIG2_TB_B16_B19_CRC | + IEEE80211_RADIOTAP_EHT_USIG2_TB_B20_B25_TAIL; + + ppdu_info->usig.common = cpu_to_le32(common); + ppdu_info->usig.value = cpu_to_le32(value); + ppdu_info->usig.mask = cpu_to_le32(mask); + + return HAL_TLV_STATUS_PPDU_NOT_DONE; +} + +static enum hal_rx_mon_status +ath12k_dp_mon_hal_rx_parse_u_sig_mu(const struct hal_mon_usig_mu *usig_mu, + struct hal_rx_mon_ppdu_info *ppdu_info) +{ + enum ieee80211_radiotap_eht_usig_mu sig_symb, punc; + u32 common, value, mask; + + sig_symb = IEEE80211_RADIOTAP_EHT_USIG2_MU_B11_B15_EHT_SIG_SYMBOLS; + punc = IEEE80211_RADIOTAP_EHT_USIG2_MU_B3_B7_PUNCTURED_INFO; + + common = __le32_to_cpu(ppdu_info->usig.common); + value = __le32_to_cpu(ppdu_info->usig.value); + mask = __le32_to_cpu(ppdu_info->usig.mask); + + common |= ATH12K_LE32_DEC_ENC(usig_mu->info0, + HAL_RX_USIG_MU_INFO0_RX_INTEG_CHECK_PASS, + IEEE80211_RADIOTAP_EHT_USIG_COMMON_BAD_USIG_CRC); + + value |= IEEE80211_RADIOTAP_EHT_USIG1_MU_B20_B24_DISREGARD | + IEEE80211_RADIOTAP_EHT_USIG1_MU_B25_VALIDATE | + ATH12K_LE32_DEC_ENC(usig_mu->info0, + HAL_RX_USIG_MU_INFO0_PPDU_TYPE_COMP_MODE, + IEEE80211_RADIOTAP_EHT_USIG2_MU_B0_B1_PPDU_TYPE) | + IEEE80211_RADIOTAP_EHT_USIG2_MU_B2_VALIDATE | + ATH12K_LE32_DEC_ENC(usig_mu->info0, + HAL_RX_USIG_MU_INFO0_PUNC_CH_INFO, + punc) | + IEEE80211_RADIOTAP_EHT_USIG2_MU_B8_VALIDATE | + ATH12K_LE32_DEC_ENC(usig_mu->info0, + HAL_RX_USIG_MU_INFO0_EHT_SIG_MCS, + IEEE80211_RADIOTAP_EHT_USIG2_MU_B9_B10_SIG_MCS) | + ATH12K_LE32_DEC_ENC(usig_mu->info0, + HAL_RX_USIG_MU_INFO0_NUM_EHT_SIG_SYM, + sig_symb) | + ATH12K_LE32_DEC_ENC(usig_mu->info0, + HAL_RX_USIG_MU_INFO0_CRC, + IEEE80211_RADIOTAP_EHT_USIG2_MU_B16_B19_CRC) | + ATH12K_LE32_DEC_ENC(usig_mu->info0, + HAL_RX_USIG_MU_INFO0_TAIL, + IEEE80211_RADIOTAP_EHT_USIG2_MU_B20_B25_TAIL); + + mask |= IEEE80211_RADIOTAP_EHT_USIG1_MU_B20_B24_DISREGARD | + IEEE80211_RADIOTAP_EHT_USIG1_MU_B25_VALIDATE | + IEEE80211_RADIOTAP_EHT_USIG2_MU_B0_B1_PPDU_TYPE | + IEEE80211_RADIOTAP_EHT_USIG2_MU_B2_VALIDATE | + punc | + IEEE80211_RADIOTAP_EHT_USIG2_MU_B8_VALIDATE | + IEEE80211_RADIOTAP_EHT_USIG2_MU_B9_B10_SIG_MCS | + sig_symb | + IEEE80211_RADIOTAP_EHT_USIG2_MU_B16_B19_CRC | + IEEE80211_RADIOTAP_EHT_USIG2_MU_B20_B25_TAIL; + + ppdu_info->usig.common = cpu_to_le32(common); + ppdu_info->usig.value = cpu_to_le32(value); + ppdu_info->usig.mask = cpu_to_le32(mask); + + return HAL_TLV_STATUS_PPDU_NOT_DONE; +} + +static enum hal_rx_mon_status +ath12k_dp_mon_hal_rx_parse_u_sig_hdr(const struct hal_mon_usig_hdr *usig, + struct hal_rx_mon_ppdu_info *ppdu_info) +{ + const struct hal_mon_usig_cmn *usig_cmn = &usig->cmn; + u8 comp_mode; + bool ap_ppdu; + + ppdu_info->eht_usig = true; + + ath12k_dp_mon_hal_rx_parse_u_sig_cmn(&usig->cmn, ppdu_info); + + ap_ppdu = le32_get_bits(usig_cmn->info0, HAL_RX_USIG_CMN_INFO0_UL_DL); + comp_mode = le32_get_bits(usig->non_cmn.mu.info0, + HAL_RX_USIG_MU_INFO0_PPDU_TYPE_COMP_MODE); + + if (comp_mode == 0 && ap_ppdu) + return ath12k_dp_mon_hal_rx_parse_u_sig_tb(&usig->non_cmn.tb, ppdu_info); + else + return ath12k_dp_mon_hal_rx_parse_u_sig_mu(&usig->non_cmn.mu, ppdu_info); +} + static enum hal_rx_mon_status ath12k_dp_mon_rx_parse_status_tlv(struct ath12k *ar, struct ath12k_mon_data *pmon, @@ -774,6 +964,9 @@ ath12k_dp_mon_rx_parse_status_tlv(struct ath12k *ar, return HAL_RX_MON_STATUS_MSDU_END; case HAL_RX_MPDU_END: return HAL_RX_MON_STATUS_MPDU_END; + case HAL_PHYRX_GENERIC_U_SIG: + ath12k_dp_mon_hal_rx_parse_u_sig_hdr(tlv_data, ppdu_info); + break; case HAL_DUMMY: return HAL_RX_MON_STATUS_BUF_DONE; case HAL_RX_PPDU_END_STATUS_DONE: @@ -971,7 +1164,23 @@ static void ath12k_dp_mon_update_radiotap(struct ath12k *ar, rxs->ampdu_reference = ampdu_id; } - if (ppduinfo->he_mu_flags) { + if (ppduinfo->eht_usig) { + struct ieee80211_radiotap_tlv *tlv; + struct ieee80211_radiotap_eht_usig *usig; + u16 len = sizeof(*usig); + + rxs->flag |= RX_FLAG_RADIOTAP_TLV_AT_END; + rxs->encoding = RX_ENC_EHT; + + skb_reset_mac_header(mon_skb); + + tlv = skb_push(mon_skb, sizeof(*tlv) + len); + tlv->type = cpu_to_le16(IEEE80211_RADIOTAP_EHT_USIG); + tlv->len = cpu_to_le16(len); + + usig = (struct ieee80211_radiotap_eht_usig *)tlv->data; + *usig = ppduinfo->usig; + } else 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)); diff --git a/drivers/net/wireless/ath/ath12k/hal_rx.h b/drivers/net/wireless/ath/ath12k/hal_rx.h index e4f9e21158dc..ed078bb5751e 100644 --- a/drivers/net/wireless/ath/ath12k/hal_rx.h +++ b/drivers/net/wireless/ath/ath12k/hal_rx.h @@ -235,6 +235,8 @@ struct hal_rx_mon_ppdu_info { bool is_ampdu; u8 medium_prot_type; bool ppdu_continuation; + bool eht_usig; + struct ieee80211_radiotap_eht_usig usig; }; #define HAL_RX_PPDU_START_INFO0_PPDU_ID GENMASK(15, 0) @@ -675,6 +677,64 @@ enum nl80211_he_ru_alloc ath12k_he_ru_tones_to_nl80211_he_ru_alloc(u16 ru_tones) return ret; } +enum hal_eht_bw { + HAL_EHT_BW_20, + HAL_EHT_BW_40, + HAL_EHT_BW_80, + HAL_EHT_BW_160, + HAL_EHT_BW_320_1, + HAL_EHT_BW_320_2, +}; + +#define HAL_RX_USIG_CMN_INFO0_PHY_VERSION GENMASK(2, 0) +#define HAL_RX_USIG_CMN_INFO0_BW GENMASK(5, 3) +#define HAL_RX_USIG_CMN_INFO0_UL_DL BIT(6) +#define HAL_RX_USIG_CMN_INFO0_BSS_COLOR GENMASK(12, 7) +#define HAL_RX_USIG_CMN_INFO0_TXOP GENMASK(19, 13) +#define HAL_RX_USIG_CMN_INFO0_DISREGARD GENMASK(25, 20) +#define HAL_RX_USIG_CMN_INFO0_VALIDATE BIT(26) + +struct hal_mon_usig_cmn { + __le32 info0; +} __packed; + +#define HAL_RX_USIG_TB_INFO0_PPDU_TYPE_COMP_MODE GENMASK(1, 0) +#define HAL_RX_USIG_TB_INFO0_VALIDATE BIT(2) +#define HAL_RX_USIG_TB_INFO0_SPATIAL_REUSE_1 GENMASK(6, 3) +#define HAL_RX_USIG_TB_INFO0_SPATIAL_REUSE_2 GENMASK(10, 7) +#define HAL_RX_USIG_TB_INFO0_DISREGARD_1 GENMASK(15, 11) +#define HAL_RX_USIG_TB_INFO0_CRC GENMASK(19, 16) +#define HAL_RX_USIG_TB_INFO0_TAIL GENMASK(25, 20) +#define HAL_RX_USIG_TB_INFO0_RX_INTEG_CHECK_PASS BIT(31) + +struct hal_mon_usig_tb { + __le32 info0; +} __packed; + +#define HAL_RX_USIG_MU_INFO0_PPDU_TYPE_COMP_MODE GENMASK(1, 0) +#define HAL_RX_USIG_MU_INFO0_VALIDATE_1 BIT(2) +#define HAL_RX_USIG_MU_INFO0_PUNC_CH_INFO GENMASK(7, 3) +#define HAL_RX_USIG_MU_INFO0_VALIDATE_2 BIT(8) +#define HAL_RX_USIG_MU_INFO0_EHT_SIG_MCS GENMASK(10, 9) +#define HAL_RX_USIG_MU_INFO0_NUM_EHT_SIG_SYM GENMASK(15, 11) +#define HAL_RX_USIG_MU_INFO0_CRC GENMASK(20, 16) +#define HAL_RX_USIG_MU_INFO0_TAIL GENMASK(26, 21) +#define HAL_RX_USIG_MU_INFO0_RX_INTEG_CHECK_PASS BIT(31) + +struct hal_mon_usig_mu { + __le32 info0; +} __packed; + +union hal_mon_usig_non_cmn { + struct hal_mon_usig_tb tb; + struct hal_mon_usig_mu mu; +}; + +struct hal_mon_usig_hdr { + struct hal_mon_usig_cmn cmn; + union hal_mon_usig_non_cmn non_cmn; +} __packed; + void ath12k_hal_reo_status_queue_stats(struct ath12k_base *ab, struct hal_tlv_64_hdr *tlv, struct hal_reo_status *status); -- 2.34.1