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 | 209 ++++++++++++++++++++++-
drivers/net/wireless/ath/ath12k/hal_rx.h | 60 +++++++
2 files changed, 268 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..576bfc35adad 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 +1164,21 @@ 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;
+ 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
