diff mbox series

[01/10] wifi: ath12k: Add HAL_PHYRX_GENERIC_U_SIG TLV parsing support

Message ID 20241221051919.686500-2-quic_periyasa@quicinc.com (mailing list archive)
State New
Delegated to: Kalle Valo
Headers show
Series wifi: ath12k: Add peer extended Rx statistics debugfs support | expand

Commit Message

Karthikeyan Periyasamy Dec. 21, 2024, 5:19 a.m. UTC
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@quicinc.com>
Signed-off-by: P Praneesh <quic_ppranees@quicinc.com>
Signed-off-by: Karthikeyan Periyasamy <quic_periyasa@quicinc.com>
---
 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 mbox series

Patch

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);