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[PATCH v10 2/3] ath11k: decode HE status tlv

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Add new bitmasks and macro definitions required for parsing HE
status tlvs. Decode HE status tlvs, which will used in dumping
ppdu stats as well as updating radiotap headers.

Co-developed-by: Miles Hu <milehu@xxxxxxxxxxxxxx>
Signed-off-by: Miles Hu <milehu@xxxxxxxxxxxxxx>
Signed-off-by: Pradeep Kumar Chitrapu <pradeepc@xxxxxxxxxxxxxx>
---
 drivers/net/wireless/ath/ath11k/dp_rx.c    |  96 ++++++++++++---
 drivers/net/wireless/ath/ath11k/hal_desc.h |   1 +
 drivers/net/wireless/ath/ath11k/hal_rx.h   | 135 ++++++++++++++++++++-
 3 files changed, 213 insertions(+), 19 deletions(-)

diff --git a/drivers/net/wireless/ath/ath11k/dp_rx.c b/drivers/net/wireless/ath/ath11k/dp_rx.c
index 20c9e7904261..e990da019068 100644
--- a/drivers/net/wireless/ath/ath11k/dp_rx.c
+++ b/drivers/net/wireless/ath/ath11k/dp_rx.c
@@ -4807,7 +4807,6 @@ ath11k_dp_rx_mon_merg_msdus(struct ath11k *ar,
 {
 	struct ath11k_base *ab = ar->ab;
 	struct sk_buff *msdu, *prev_buf;
-	u32 wifi_hdr_len;
 	struct hal_rx_desc *rx_desc;
 	char *hdr_desc;
 	u8 *dest, decap_format;
@@ -4849,38 +4848,27 @@ ath11k_dp_rx_mon_merg_msdus(struct ath11k *ar,
 
 		skb_trim(prev_buf, prev_buf->len - HAL_RX_FCS_LEN);
 	} else if (decap_format == DP_RX_DECAP_TYPE_NATIVE_WIFI) {
-		__le16 qos_field;
 		u8 qos_pkt = 0;
 
 		rx_desc = (struct hal_rx_desc *)head_msdu->data;
 		hdr_desc = ath11k_dp_rxdesc_get_80211hdr(ab, rx_desc);
 
 		/* Base size */
-		wifi_hdr_len = sizeof(struct ieee80211_hdr_3addr);
 		wh = (struct ieee80211_hdr_3addr *)hdr_desc;
 
 		if (ieee80211_is_data_qos(wh->frame_control)) {
-			struct ieee80211_qos_hdr *qwh =
-					(struct ieee80211_qos_hdr *)hdr_desc;
-
-			qos_field = qwh->qos_ctrl;
 			qos_pkt = 1;
 		}
 		msdu = head_msdu;
 
 		while (msdu) {
-			rx_desc = (struct hal_rx_desc *)msdu->data;
-			hdr_desc = ath11k_dp_rxdesc_get_80211hdr(ab, rx_desc);
-
+			ath11k_dp_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, wifi_hdr_len);
-				memcpy(dest + wifi_hdr_len,
-				       (u8 *)&qos_field, sizeof(__le16));
+				memcpy(dest, hdr_desc, sizeof(struct ieee80211_qos_hdr));
 			}
-			ath11k_dp_rx_msdus_set_payload(ar, msdu);
 			prev_buf = msdu;
 			msdu = msdu->next;
 		}
@@ -4904,8 +4892,83 @@ ath11k_dp_rx_mon_merg_msdus(struct ath11k *ar,
 	return NULL;
 }
 
+static void
+ath11k_dp_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
+ath11k_dp_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 ath11k_update_radiotap(struct hal_rx_mon_ppdu_info *ppduinfo,
+				   struct sk_buff *mon_skb,
+				   struct ieee80211_rx_status *rxs)
+{
+	u8 *ptr = NULL;
+
+	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));
+		ath11k_dp_rx_update_radiotap_he_mu(ppduinfo, ptr);
+	}
+	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));
+		ath11k_dp_rx_update_radiotap_he(ppduinfo, ptr);
+	}
+
+	rxs->flag |= RX_FLAG_MACTIME_START;
+	rxs->signal = ppduinfo->rssi_comb + ATH11K_DEFAULT_NOISE_FLOOR;
+	rxs->nss = ppduinfo->nss;
+
+	rxs->mactime = ppduinfo->tsft;
+}
+
 static int ath11k_dp_rx_mon_deliver(struct ath11k *ar, u32 mac_id,
 				    struct sk_buff *head_msdu,
+				    struct hal_rx_mon_ppdu_info *ppduinfo,
 				    struct sk_buff *tail_msdu,
 				    struct napi_struct *napi)
 {
@@ -4940,7 +5003,7 @@ static int ath11k_dp_rx_mon_deliver(struct ath11k *ar, u32 mac_id,
 		} else {
 			rxs->flag |= RX_FLAG_ALLOW_SAME_PN;
 		}
-		rxs->flag |= RX_FLAG_ONLY_MONITOR;
+		ath11k_update_radiotap(ppduinfo, mon_skb, rxs);
 
 		ath11k_dp_rx_deliver_msdu(ar, napi, mon_skb, rxs);
 		mon_skb = skb_next;
@@ -5045,6 +5108,7 @@ static void ath11k_dp_rx_mon_dest_process(struct ath11k *ar, int mac_id,
 		}
 		if (head_msdu && tail_msdu) {
 			ath11k_dp_rx_mon_deliver(ar, dp->mac_id, head_msdu,
+						 &pmon->mon_ppdu_info,
 						 tail_msdu, napi);
 			rx_mon_stats->dest_mpdu_done++;
 		}
@@ -5114,6 +5178,7 @@ int ath11k_dp_rx_process_mon_status(struct ath11k_base *ab, int mac_id,
 		if (log_type != ATH11K_PKTLOG_TYPE_INVALID)
 			trace_ath11k_htt_rxdesc(ar, skb->data, log_type, rx_buf_sz);
 
+		memset(ppdu_info, 0, sizeof(struct hal_rx_mon_ppdu_info));
 		hal_status = ath11k_hal_rx_parse_mon_status(ab, ppdu_info, skb);
 
 		if (test_bit(ATH11K_FLAG_MONITOR_STARTED, &ar->monitor_flags) &&
@@ -5374,6 +5439,7 @@ static int ath11k_dp_rx_full_mon_deliver_ppdu(struct ath11k *ar,
 		tail_msdu = mon_mpdu->tail;
 		if (head_msdu && tail_msdu) {
 			ret = ath11k_dp_rx_mon_deliver(ar, mac_id, head_msdu,
+						       &pmon->mon_ppdu_info,
 						       tail_msdu, napi);
 			rx_mon_stats->dest_mpdu_done++;
 			ath11k_dbg(ar->ab, ATH11K_DBG_DATA, "full mon: deliver ppdu\n");
diff --git a/drivers/net/wireless/ath/ath11k/hal_desc.h b/drivers/net/wireless/ath/ath11k/hal_desc.h
index 406767672844..24e72e75a8c7 100644
--- a/drivers/net/wireless/ath/ath11k/hal_desc.h
+++ b/drivers/net/wireless/ath/ath11k/hal_desc.h
@@ -474,6 +474,7 @@ enum hal_tlv_tag {
 
 #define HAL_TLV_HDR_TAG		GENMASK(9, 1)
 #define HAL_TLV_HDR_LEN		GENMASK(25, 10)
+#define HAL_TLV_USR_ID		GENMASK(31, 26)
 
 #define HAL_TLV_ALIGN	4
 
diff --git a/drivers/net/wireless/ath/ath11k/hal_rx.h b/drivers/net/wireless/ath/ath11k/hal_rx.h
index 7bba4f0411e1..f6bae07abfd3 100644
--- a/drivers/net/wireless/ath/ath11k/hal_rx.h
+++ b/drivers/net/wireless/ath/ath11k/hal_rx.h
@@ -73,6 +73,36 @@ enum hal_rx_mon_status {
 	HAL_RX_MON_STATUS_BUF_DONE,
 };
 
+struct hal_rx_user_status {
+	u32 mcs:4,
+	nss:3,
+	ofdma_info_valid:1,
+	dl_ofdma_ru_start_index:7,
+	dl_ofdma_ru_width:7,
+	dl_ofdma_ru_size:8;
+	u32 ul_ofdma_user_v0_word0;
+	u32 ul_ofdma_user_v0_word1;
+	u32 ast_index;
+	u32 tid;
+	u16 tcp_msdu_count;
+	u16 udp_msdu_count;
+	u16 other_msdu_count;
+	u16 frame_control;
+	u8 frame_control_info_valid;
+	u8 data_sequence_control_info_valid;
+	u16 first_data_seq_ctrl;
+	u32 preamble_type;
+	u16 ht_flags;
+	u16 vht_flags;
+	u16 he_flags;
+	u8 rs_flags;
+	u32 mpdu_cnt_fcs_ok;
+	u32 mpdu_cnt_fcs_err;
+	u32 mpdu_fcs_ok_bitmap[8];
+	u32 mpdu_ok_byte_count;
+	u32 mpdu_err_byte_count;
+};
+
 #define HAL_TLV_STATUS_PPDU_NOT_DONE    HAL_RX_MON_STATUS_PPDU_NOT_DONE
 #define HAL_TLV_STATUS_PPDU_DONE        HAL_RX_MON_STATUS_PPDU_DONE
 #define HAL_TLV_STATUS_BUF_DONE         HAL_RX_MON_STATUS_BUF_DONE
@@ -107,6 +137,12 @@ struct hal_rx_mon_ppdu_info {
 	u8 mcs;
 	u8 nss;
 	u8 bw;
+	u8 vht_flag_values1;
+	u8 vht_flag_values2;
+	u8 vht_flag_values3[4];
+	u8 vht_flag_values4;
+	u8 vht_flag_values5;
+	u16 vht_flag_values6;
 	u8 is_stbc;
 	u8 gi;
 	u8 ldpc;
@@ -114,10 +150,46 @@ struct hal_rx_mon_ppdu_info {
 	u8 rssi_comb;
 	u8 rssi_chain_pri20[HAL_RX_MAX_NSS];
 	u8 tid;
+	u16 ht_flags;
+	u16 vht_flags;
+	u16 he_flags;
+	u16 he_mu_flags;
 	u8 dcm;
 	u8 ru_alloc;
 	u8 reception_type;
+	u64 tsft;
 	u64 rx_duration;
+	u16 frame_control;
+	u32 ast_index;
+	u8 rs_fcs_err;
+	u8 rs_flags;
+	u8 cck_flag;
+	u8 ofdm_flag;
+	u8 ulofdma_flag;
+	u8 frame_control_info_valid;
+	u16 he_per_user_1;
+	u16 he_per_user_2;
+	u8 he_per_user_position;
+	u8 he_per_user_known;
+	u16 he_flags1;
+	u16 he_flags2;
+	u8 he_RU[4];
+	u16 he_data1;
+	u16 he_data2;
+	u16 he_data3;
+	u16 he_data4;
+	u16 he_data5;
+	u16 he_data6;
+	u32 ppdu_len;
+	u32 prev_ppdu_id;
+	u32 device_id;
+	u16 first_data_seq_ctrl;
+	u8 monitor_direct_used;
+	u8 data_sequence_control_info_valid;
+	u8 ltf_size;
+	u8 rxpcu_filter_pass;
+	char rssi_chain[8][8];
+	struct hal_rx_user_status userstats;
 };
 
 #define HAL_RX_PPDU_START_INFO0_PPDU_ID		GENMASK(15, 0)
@@ -150,6 +222,9 @@ struct hal_rx_ppdu_start {
 #define HAL_RX_PPDU_END_USER_STATS_INFO6_TID_BITMAP		GENMASK(15, 0)
 #define HAL_RX_PPDU_END_USER_STATS_INFO6_TID_EOSP_BITMAP	GENMASK(31, 16)
 
+#define HAL_RX_PPDU_END_USER_STATS_RSVD2_6_MPDU_OK_BYTE_COUNT	GENMASK(24, 0)
+#define HAL_RX_PPDU_END_USER_STATS_RSVD2_8_MPDU_ERR_BYTE_COUNT	GENMASK(24, 0)
+
 struct hal_rx_ppdu_end_user_stats {
 	__le32 rsvd0[2];
 	__le32 info0;
@@ -164,6 +239,16 @@ struct hal_rx_ppdu_end_user_stats {
 	__le32 rsvd2[11];
 } __packed;
 
+struct hal_rx_ppdu_end_user_stats_ext {
+	u32 info0;
+	u32 info1;
+	u32 info2;
+	u32 info3;
+	u32 info4;
+	u32 info5;
+	u32 info6;
+} __packed;
+
 #define HAL_RX_HT_SIG_INFO_INFO0_MCS		GENMASK(6, 0)
 #define HAL_RX_HT_SIG_INFO_INFO0_BW		BIT(7)
 
@@ -212,25 +297,62 @@ enum hal_rx_vht_sig_a_gi_setting {
 	HAL_RX_VHT_SIG_A_SHORT_GI_AMBIGUITY = 3,
 };
 
+#define HAL_RX_SU_MU_CODING_LDPC 0x01
+
+#define HE_GI_0_8 0
+#define HE_GI_0_4 1
+#define HE_GI_1_6 2
+#define HE_GI_3_2 3
+
+#define HE_LTF_1_X 0
+#define HE_LTF_2_X 1
+#define HE_LTF_4_X 2
+#define HE_LTF_UNKNOWN 3
+
 #define HAL_RX_HE_SIG_A_SU_INFO_INFO0_TRANSMIT_MCS	GENMASK(6, 3)
 #define HAL_RX_HE_SIG_A_SU_INFO_INFO0_DCM		BIT(7)
 #define HAL_RX_HE_SIG_A_SU_INFO_INFO0_TRANSMIT_BW	GENMASK(20, 19)
 #define HAL_RX_HE_SIG_A_SU_INFO_INFO0_CP_LTF_SIZE	GENMASK(22, 21)
 #define HAL_RX_HE_SIG_A_SU_INFO_INFO0_NSTS		GENMASK(25, 23)
+#define HAL_RX_HE_SIG_A_SU_INFO_INFO0_BSS_COLOR		GENMASK(13, 8)
+#define HAL_RX_HE_SIG_A_SU_INFO_INFO0_SPATIAL_REUSE	GENMASK(18, 15)
+#define HAL_RX_HE_SIG_A_SU_INFO_INFO0_FORMAT_IND	BIT(0)
+#define HAL_RX_HE_SIG_A_SU_INFO_INFO0_BEAM_CHANGE	BIT(1)
+#define HAL_RX_HE_SIG_A_SU_INFO_INFO0_DL_UL_FLAG	BIT(2)
 
+#define HAL_RX_HE_SIG_A_SU_INFO_INFO1_TXOP_DURATION	GENMASK(6, 0)
 #define HAL_RX_HE_SIG_A_SU_INFO_INFO1_CODING		BIT(7)
+#define HAL_RX_HE_SIG_A_SU_INFO_INFO1_LDPC_EXTRA	BIT(8)
 #define HAL_RX_HE_SIG_A_SU_INFO_INFO1_STBC		BIT(9)
 #define HAL_RX_HE_SIG_A_SU_INFO_INFO1_TXBF		BIT(10)
+#define HAL_RX_HE_SIG_A_SU_INFO_INFO1_PKT_EXT_FACTOR	GENMASK(12, 11)
+#define HAL_RX_HE_SIG_A_SU_INFO_INFO1_PKT_EXT_PE_DISAM	BIT(13)
+#define HAL_RX_HE_SIG_A_SU_INFO_INFO1_DOPPLER_IND	BIT(15)
 
 struct hal_rx_he_sig_a_su_info {
 	__le32 info0;
 	__le32 info1;
 } __packed;
 
-#define HAL_RX_HE_SIG_A_MU_DL_INFO_INFO0_TRANSMIT_BW	GENMASK(17, 15)
-#define HAL_RX_HE_SIG_A_MU_DL_INFO_INFO0_CP_LTF_SIZE	GENMASK(24, 23)
-
+#define HAL_RX_HE_SIG_A_MU_DL_INFO_INFO0_UL_FLAG		BIT(1)
+#define HAL_RX_HE_SIG_A_MU_DL_INFO_INFO0_MCS_OF_SIGB		GENMASK(3, 1)
+#define HAL_RX_HE_SIG_A_MU_DL_INFO_INFO0_DCM_OF_SIGB		BIT(4)
+#define HAL_RX_HE_SIG_A_MU_DL_INFO_INFO0_BSS_COLOR		GENMASK(10, 5)
+#define HAL_RX_HE_SIG_A_MU_DL_INFO_INFO0_SPATIAL_REUSE	GENMASK(14, 11)
+#define HAL_RX_HE_SIG_A_MU_DL_INFO_INFO0_TRANSMIT_BW		GENMASK(17, 15)
+#define HAL_RX_HE_SIG_A_MU_DL_INFO_INFO0_NUM_SIGB_SYMB	GENMASK(21, 18)
+#define HAL_RX_HE_SIG_A_MU_DL_INFO_INFO0_COMP_MODE_SIGB	BIT(22)
+#define HAL_RX_HE_SIG_A_MU_DL_INFO_INFO0_CP_LTF_SIZE		GENMASK(24, 23)
+#define HAL_RX_HE_SIG_A_MU_DL_INFO_INFO0_DOPPLER_INDICATION	BIT(25)
+
+#define HAL_RX_HE_SIG_A_MU_DL_INFO_INFO1_TXOP_DURATION	GENMASK(6, 0)
+#define HAL_RX_HE_SIG_A_MU_DL_INFO_INFO1_CODING		BIT(7)
+#define HAL_RX_HE_SIG_A_MU_DL_INFO_INFO1_NUM_LTF_SYMB	GENMASK(10, 8)
+#define HAL_RX_HE_SIG_A_MU_DL_INFO_INFO1_LDPC_EXTRA		BIT(11)
 #define HAL_RX_HE_SIG_A_MU_DL_INFO_INFO1_STBC		BIT(12)
+#define HAL_RX_HE_SIG_A_MU_DL_INFO_INFO1_TXBF		BIT(10)
+#define HAL_RX_HE_SIG_A_MU_DL_INFO_INFO1_PKT_EXT_FACTOR	GENMASK(14, 13)
+#define HAL_RX_HE_SIG_A_MU_DL_INFO_INFO1_PKT_EXT_PE_DISAM	BIT(15)
 
 struct hal_rx_he_sig_a_mu_dl_info {
 	__le32 info0;
@@ -243,6 +365,7 @@ struct hal_rx_he_sig_b1_mu_info {
 	__le32 info0;
 } __packed;
 
+#define HAL_RX_HE_SIG_B2_MU_INFO_INFO0_STA_ID		GENMASK(10, 0)
 #define HAL_RX_HE_SIG_B2_MU_INFO_INFO0_STA_MCS		GENMASK(18, 15)
 #define HAL_RX_HE_SIG_B2_MU_INFO_INFO0_STA_CODING	BIT(20)
 #define HAL_RX_HE_SIG_B2_MU_INFO_INFO0_STA_NSTS		GENMASK(31, 29)
@@ -251,6 +374,7 @@ struct hal_rx_he_sig_b2_mu_info {
 	__le32 info0;
 } __packed;
 
+#define HAL_RX_HE_SIG_B2_OFDMA_INFO_INFO0_STA_ID	GENMASK(10, 0)
 #define HAL_RX_HE_SIG_B2_OFDMA_INFO_INFO0_STA_NSTS	GENMASK(13, 11)
 #define HAL_RX_HE_SIG_B2_OFDMA_INFO_INFO0_STA_TXBF	BIT(19)
 #define HAL_RX_HE_SIG_B2_OFDMA_INFO_INFO0_STA_MCS	GENMASK(18, 15)
@@ -279,11 +403,14 @@ struct hal_rx_phyrx_rssi_legacy_info {
 
 #define HAL_RX_MPDU_INFO_INFO0_PEERID	GENMASK(31, 16)
 #define HAL_RX_MPDU_INFO_INFO0_PEERID_WCN6855	GENMASK(15, 0)
+#define HAL_RX_MPDU_INFO_INFO1_MPDU_LEN		GENMASK(13, 0)
 
 struct hal_rx_mpdu_info {
 	__le32 rsvd0;
 	__le32 info0;
-	__le32 rsvd1[21];
+	__le32 rsvd1[11];
+	__le32 info1;
+	__le32 rsvd2[9];
 } __packed;
 
 struct hal_rx_mpdu_info_wcn6855 {
-- 
2.17.1




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