qcacmn: Parse U-SIG header from PHY tlv

Add support to parse the U-SIG header from
the PHY TLV for EHT data traffic.

Change-Id: Icba9550795f87bb8ec7aa03af135ea05eb040ded
CRs-Fixed: 3093086

hal/wifi3.0/be/hal_be_generic_api.h

@@ -391,6 +391,147 @@ hal_get_mac_addr1(uint8_t *rx_mpdu_start,
 }
 #endif
 
+static inline uint32_t
+hal_rx_parse_u_sig_cmn(struct hal_soc *hal_soc, void *rx_tlv,
+		       struct hal_rx_ppdu_info *ppdu_info)
+{
+	struct hal_mon_usig_hdr *usig = (struct hal_mon_usig_hdr *)rx_tlv;
+	struct hal_mon_usig_cmn *usig_1 = &usig->usig_1;
+	uint8_t bad_usig_crc;
+
+	bad_usig_crc = HAL_RX_MON_USIG_GET_RX_INTEGRITY_CHECK_PASSED(rx_tlv) ?
+			0 : 1;
+	ppdu_info->rx_status.usig_common |=
+			QDF_MON_STATUS_USIG_PHY_VERSION_KNOWN |
+			QDF_MON_STATUS_USIG_BW_KNOWN |
+			QDF_MON_STATUS_USIG_UL_DL_KNOWN |
+			QDF_MON_STATUS_USIG_BSS_COLOR_KNOWN |
+			QDF_MON_STATUS_USIG_TXOP_KNOWN;
+
+	ppdu_info->rx_status.usig_common |= (usig_1->phy_version <<
+				   QDF_MON_STATUS_USIG_PHY_VERSION_SHIFT);
+	ppdu_info->rx_status.usig_common |= (usig_1->bw <<
+					   QDF_MON_STATUS_USIG_BW_SHIFT);
+	ppdu_info->rx_status.usig_common |= (usig_1->ul_dl <<
+					   QDF_MON_STATUS_USIG_UL_DL_SHIFT);
+	ppdu_info->rx_status.usig_common |= (usig_1->bss_color <<
+					   QDF_MON_STATUS_USIG_BSS_COLOR_SHIFT);
+	ppdu_info->rx_status.usig_common |= (usig_1->txop <<
+					   QDF_MON_STATUS_USIG_TXOP_SHIFT);
+	ppdu_info->rx_status.usig_common |= bad_usig_crc;
+
+	ppdu_info->u_sig_info.ul_dl = usig_1->ul_dl;
+	ppdu_info->u_sig_info.bw = usig_1->bw;
+
+	return HAL_TLV_STATUS_PPDU_NOT_DONE;
+}
+
+static inline uint32_t
+hal_rx_parse_u_sig_tb(struct hal_soc *hal_soc, void *rx_tlv,
+		      struct hal_rx_ppdu_info *ppdu_info)
+{
+	struct hal_mon_usig_hdr *usig = (struct hal_mon_usig_hdr *)rx_tlv;
+	struct hal_mon_usig_tb *usig_tb = &usig->usig_2.tb;
+
+	ppdu_info->rx_status.usig_mask |=
+			QDF_MON_STATUS_USIG_DISREGARD_KNOWN |
+			QDF_MON_STATUS_USIG_PPDU_TYPE_N_COMP_MODE_KNOWN |
+			QDF_MON_STATUS_USIG_VALIDATE_KNOWN |
+			QDF_MON_STATUS_USIG_TB_SPATIAL_REUSE_1_KNOWN |
+			QDF_MON_STATUS_USIG_TB_SPATIAL_REUSE_2_KNOWN |
+			QDF_MON_STATUS_USIG_TB_DISREGARD1_KNOWN |
+			QDF_MON_STATUS_USIG_CRC_KNOWN |
+			QDF_MON_STATUS_USIG_TAIL_KNOWN;
+
+	ppdu_info->rx_status.usig_value |= (0x3F <<
+				QDF_MON_STATUS_USIG_DISREGARD_SHIFT);
+	ppdu_info->rx_status.usig_value |= (usig_tb->ppdu_type_comp_mode <<
+			QDF_MON_STATUS_USIG_PPDU_TYPE_N_COMP_MODE_SHIFT);
+	ppdu_info->rx_status.usig_value |= (0x1 <<
+				QDF_MON_STATUS_USIG_VALIDATE_SHIFT);
+	ppdu_info->rx_status.usig_value |= (usig_tb->spatial_reuse_1 <<
+				QDF_MON_STATUS_USIG_TB_SPATIAL_REUSE_1_SHIFT);
+	ppdu_info->rx_status.usig_value |= (usig_tb->spatial_reuse_2 <<
+				QDF_MON_STATUS_USIG_TB_SPATIAL_REUSE_2_SHIFT);
+	ppdu_info->rx_status.usig_value |= (0x1F <<
+				QDF_MON_STATUS_USIG_TB_DISREGARD1_SHIFT);
+	ppdu_info->rx_status.usig_value |= (usig_tb->crc <<
+				QDF_MON_STATUS_USIG_CRC_SHIFT);
+	ppdu_info->rx_status.usig_value |= (usig_tb->tail <<
+				QDF_MON_STATUS_USIG_TAIL_SHIFT);
+
+	ppdu_info->u_sig_info.ppdu_type_comp_mode =
+						usig_tb->ppdu_type_comp_mode;
+
+	return HAL_TLV_STATUS_PPDU_NOT_DONE;
+}
+
+static inline uint32_t
+hal_rx_parse_u_sig_mu(struct hal_soc *hal_soc, void *rx_tlv,
+		      struct hal_rx_ppdu_info *ppdu_info)
+{
+	struct hal_mon_usig_hdr *usig = (struct hal_mon_usig_hdr *)rx_tlv;
+	struct hal_mon_usig_mu *usig_mu = &usig->usig_2.mu;
+
+	ppdu_info->rx_status.usig_mask |=
+			QDF_MON_STATUS_USIG_DISREGARD_KNOWN |
+			QDF_MON_STATUS_USIG_PPDU_TYPE_N_COMP_MODE_KNOWN |
+			QDF_MON_STATUS_USIG_VALIDATE_KNOWN |
+			QDF_MON_STATUS_USIG_MU_VALIDATE1_SHIFT |
+			QDF_MON_STATUS_USIG_MU_PUNCTURE_CH_INFO_KNOWN |
+			QDF_MON_STATUS_USIG_MU_VALIDATE2_SHIFT |
+			QDF_MON_STATUS_USIG_MU_EHT_SIG_MCS_KNOWN |
+			QDF_MON_STATUS_USIG_MU_NUM_EHT_SIG_SYM_KNOWN |
+			QDF_MON_STATUS_USIG_CRC_KNOWN |
+			QDF_MON_STATUS_USIG_TAIL_KNOWN;
+
+	ppdu_info->rx_status.usig_value |= (0x1F <<
+				QDF_MON_STATUS_USIG_DISREGARD_SHIFT);
+	ppdu_info->rx_status.usig_value |= (0x1 <<
+				QDF_MON_STATUS_USIG_MU_VALIDATE1_SHIFT);
+	ppdu_info->rx_status.usig_value |= (usig_mu->ppdu_type_comp_mode <<
+			QDF_MON_STATUS_USIG_PPDU_TYPE_N_COMP_MODE_SHIFT);
+	ppdu_info->rx_status.usig_value |= (0x1 <<
+				QDF_MON_STATUS_USIG_VALIDATE_SHIFT);
+	ppdu_info->rx_status.usig_value |= (usig_mu->punc_ch_info <<
+				QDF_MON_STATUS_USIG_MU_PUNCTURE_CH_INFO_SHIFT);
+	ppdu_info->rx_status.usig_value |= (0x1 <<
+				QDF_MON_STATUS_USIG_MU_VALIDATE2_SHIFT);
+	ppdu_info->rx_status.usig_value |= (usig_mu->eht_sig_mcs <<
+				QDF_MON_STATUS_USIG_MU_EHT_SIG_MCS_SHIFT);
+	ppdu_info->rx_status.usig_value |= (usig_mu->num_eht_sig_sym <<
+				QDF_MON_STATUS_USIG_MU_NUM_EHT_SIG_SYM_SHIFT);
+	ppdu_info->rx_status.usig_value |= (usig_mu->crc <<
+				QDF_MON_STATUS_USIG_CRC_SHIFT);
+	ppdu_info->rx_status.usig_value |= (usig_mu->tail <<
+				QDF_MON_STATUS_USIG_TAIL_SHIFT);
+
+	ppdu_info->u_sig_info.ppdu_type_comp_mode =
+						usig_mu->ppdu_type_comp_mode;
+	ppdu_info->u_sig_info.eht_sig_mcs = usig_mu->eht_sig_mcs;
+	ppdu_info->u_sig_info.num_eht_sig_sym = usig_mu->num_eht_sig_sym;
+
+	return HAL_TLV_STATUS_PPDU_NOT_DONE;
+}
+
+static inline uint32_t
+hal_rx_parse_u_sig_hdr(struct hal_soc *hal_soc, void *rx_tlv,
+		       struct hal_rx_ppdu_info *ppdu_info)
+{
+	struct hal_mon_usig_hdr *usig = (struct hal_mon_usig_hdr *)rx_tlv;
+	struct hal_mon_usig_cmn *usig_1 = &usig->usig_1;
+
+	ppdu_info->rx_status.usig_flags = 1;
+
+	hal_rx_parse_u_sig_cmn(hal_soc, rx_tlv, ppdu_info);
+
+	if (HAL_RX_MON_USIG_GET_PPDU_TYPE_N_COMP_MODE(rx_tlv) == 0 &&
+	    usig_1->ul_dl == 1)
+		return hal_rx_parse_u_sig_tb(hal_soc, rx_tlv, ppdu_info);
+	else
+		return hal_rx_parse_u_sig_mu(hal_soc, rx_tlv, ppdu_info);
+}
+
 /**
  * hal_rx_status_get_tlv_info() - process receive info TLV
  * @rx_tlv_hdr: pointer to TLV header
@@ -1379,6 +1520,9 @@ hal_rx_status_get_tlv_info_generic_be(void *rx_tlv_hdr, void *ppduinfo,
 		hal_rx_proc_phyrx_other_receive_info_tlv(hal, rx_tlv_hdr,
 								ppdu_info);
 		break;
+	case WIFIPHYRX_GENERIC_U_SIG_E:
+		hal_rx_parse_u_sig_hdr(hal, rx_tlv, ppdu_info);
+		break;
 	case WIFIRX_HEADER_E:
 	{
 		struct hal_rx_ppdu_common_info *com_info = &ppdu_info->com_info;

hal/wifi3.0/hal_api_mon.h

@@ -691,6 +691,78 @@ struct hal_rx_frm_type_info {
 struct hal_rx_frm_type_info {};
 #endif
 
+struct hal_mon_usig_cmn {
+	uint32_t phy_version : 3,
+		 bw : 3,
+		 ul_dl : 1,
+		 bss_color : 6,
+		 txop : 7,
+		 disregard : 5,
+		 validate_0 : 1,
+		 reserved : 6;
+};
+
+struct hal_mon_usig_tb {
+	uint32_t ppdu_type_comp_mode : 2,
+		 validate_1 : 1,
+		 spatial_reuse_1 : 4,
+		 spatial_reuse_2 : 4,
+		 disregard_1 : 5,
+		 crc : 4,
+		 tail : 6,
+		 reserved : 5,
+		 rx_integrity_check_passed : 1;
+};
+
+struct hal_mon_usig_mu {
+	uint32_t ppdu_type_comp_mode : 2,
+		 validate_1 : 1,
+		 punc_ch_info : 5,
+		 validate_2 : 1,
+		 eht_sig_mcs : 2,
+		 num_eht_sig_sym : 5,
+		 crc : 4,
+		 tail : 6,
+		 reserved : 5,
+		 rx_integrity_check_passed : 1;
+};
+
+/**
+ * union hal_mon_usig_non_cmn: Version dependent USIG fields
+ * @tb: trigger based frame USIG header
+ * @mu: MU frame USIG header
+ */
+union hal_mon_usig_non_cmn {
+	struct hal_mon_usig_tb tb;
+	struct hal_mon_usig_mu mu;
+};
+
+/**
+ * struct hal_mon_usig_hdr: U-SIG header for EHT (and subsequent) frames
+ * @usig_1: USIG common header fields
+ * @usig_2: USIG version dependent fields
+ */
+struct hal_mon_usig_hdr {
+	struct hal_mon_usig_cmn usig_1;
+	union hal_mon_usig_non_cmn usig_2;
+};
+
+#define HAL_RX_MON_USIG_PPDU_TYPE_N_COMP_MODE_MASK	0x0000000300000000
+#define HAL_RX_MON_USIG_PPDU_TYPE_N_COMP_MODE_LSB	32
+
+#define HAL_RX_MON_USIG_GET_PPDU_TYPE_N_COMP_MODE(usig_tlv_ptr)	\
+		((*((uint64_t *)(usig_tlv_ptr)) & \
+		 HAL_RX_MON_USIG_PPDU_TYPE_N_COMP_MODE_MASK) >> \
+		 HAL_RX_MON_USIG_PPDU_TYPE_N_COMP_MODE_LSB)
+
+#define HAL_RX_MON_USIG_RX_INTEGRITY_CHECK_PASSED_MASK	0x8000000000000000
+#define HAL_RX_MON_USIG_RX_INTEGRITY_CHECK_PASSED_LSB	63
+
+#define HAL_RX_MON_USIG_GET_RX_INTEGRITY_CHECK_PASSED(usig_tlv_ptr)	\
+		((*((uint64_t *)(usig_tlv_ptr)) & \
+		 HAL_RX_MON_USIG_RX_INTEGRITY_CHECK_PASSED_MASK) >> \
+		 HAL_RX_MON_USIG_RX_INTEGRITY_CHECK_PASSED_LSB)
+
 #define HAL_RX_MON_MAX_AGGR_SIZE	128
 
 /**
@@ -708,8 +780,25 @@ struct hal_rx_tlv_aggr_info {
 	uint8_t buf[HAL_RX_MON_MAX_AGGR_SIZE];
 };
 
+/* struct hal_rx_u_sig_info - Certain fields from U-SIG header which are used
+ *		for other header field parsing.
+ * @ul_dl: UL or DL
+ * @bw: EHT BW
+ * @ppdu_type_comp_mode: PPDU TYPE
+ * @eht_sig_mcs: EHT SIG MCS
+ * @num_eht_sig_sym: Number of EHT SIG symbols
+ */
+struct hal_rx_u_sig_info {
+	uint32_t ul_dl : 1,
+		 bw : 3,
+		 ppdu_type_comp_mode : 2,
+		 eht_sig_mcs : 2,
+		 num_eht_sig_sym : 5;
+};
+
 struct hal_rx_ppdu_info {
 	struct hal_rx_ppdu_common_info com_info;
+	struct hal_rx_u_sig_info u_sig_info;
 	struct mon_rx_status rx_status;
 	struct mon_rx_user_status rx_user_status[HAL_MAX_UL_MU_USERS];
 	struct mon_rx_info rx_info;