qcacmn: Add rssi_chain support for lithium

Read rssi_chain per nss per bw and from rx status TLVs
and update to host data structures.

CRs-Fixed: 2445933
Change-Id: I275e9e502a0a724410fc189ac293cadc8f2981e0

dp/inc/cdp_txrx_cmn_struct.h

@@ -1513,7 +1513,7 @@ struct cdp_rx_indication_ppdu {
 	uint8_t rx_ratecode;
 	uint8_t fcs_error_mpdus;
 	uint16_t frame_ctrl;
-	uint32_t rssi_chain[SS_COUNT][MAX_BW];
+	int8_t rssi_chain[SS_COUNT][MAX_BW];
 	struct cdp_stats_cookie *cookie;
 };
 

dp/wifi3.0/dp_internal.h

@@ -24,6 +24,7 @@
 #define RX_BUFFER_SIZE_PKTLOG_LITE 1024
 
 
+#define DP_RSSI_INVAL 0x80
 #define DP_RSSI_AVG_WEIGHT 2
 /*
  * Formula to derive avg_rssi is taken from wifi2.o firmware

dp/wifi3.0/dp_rx_mon_status.c

@@ -51,6 +51,25 @@ dp_rx_mon_enh_capture_process(struct dp_pdev *pdev, uint32_t tlv_status,
 }
 #endif
 
+#ifdef FEATURE_PERPKT_INFO
+static inline void
+dp_rx_populate_rx_rssi_chain(struct hal_rx_ppdu_info *ppdu_info,
+			     struct cdp_rx_indication_ppdu *cdp_rx_ppdu)
+{
+	uint8_t chain, bw;
+	int8_t rssi;
+
+	for (chain = 0; chain < SS_COUNT; chain++) {
+		for (bw = 0; bw < MAX_BW; bw++) {
+			rssi = ppdu_info->rx_status.rssi_chain[chain][bw];
+			if (rssi != DP_RSSI_INVAL)
+				cdp_rx_ppdu->rssi_chain[chain][bw] = rssi;
+			else
+				cdp_rx_ppdu->rssi_chain[chain][bw] = 0;
+		}
+	}
+}
+
 /**
 * dp_rx_populate_cdp_indication_ppdu() - Populate cdp rx indication structure
 * @pdev: pdev ctx
@@ -59,7 +78,6 @@ dp_rx_mon_enh_capture_process(struct dp_pdev *pdev, uint32_t tlv_status,
 *
 * Return: none
 */
-#ifdef FEATURE_PERPKT_INFO
 static inline void
 dp_rx_populate_cdp_indication_ppdu(struct dp_pdev *pdev,
 	struct hal_rx_ppdu_info *ppdu_info,
@@ -138,6 +156,8 @@ dp_rx_populate_cdp_indication_ppdu(struct dp_pdev *pdev,
 	cdp_rx_ppdu->peer_id = peer->peer_ids[0];
 	cdp_rx_ppdu->vdev_id = peer->vdev->vdev_id;
 	cdp_rx_ppdu->u.ltf_size = ppdu_info->rx_status.ltf_size;
+
+	dp_rx_populate_rx_rssi_chain(ppdu_info, cdp_rx_ppdu);
 }
 #else
 static inline void

hal/wifi3.0/hal_generic_api.h

@@ -265,6 +265,53 @@ hal_rx_handle_ofdma_info(void *rx_tlv,
 }
 #endif
 
+#define HAL_RX_UPDATE_RSSI_PER_CHAIN_BW(chain, word_1, word_2, \
+					ppdu_info, rssi_info_tlv) \
+	{						\
+	ppdu_info->rx_status.rssi_chain[chain][0] = \
+			HAL_RX_GET(rssi_info_tlv, RECEIVE_RSSI_INFO_##word_1,\
+				   RSSI_PRI20_CHAIN##chain); \
+	ppdu_info->rx_status.rssi_chain[chain][1] = \
+			HAL_RX_GET(rssi_info_tlv, RECEIVE_RSSI_INFO_##word_1,\
+				   RSSI_EXT20_CHAIN##chain); \
+	ppdu_info->rx_status.rssi_chain[chain][2] = \
+			HAL_RX_GET(rssi_info_tlv, RECEIVE_RSSI_INFO_##word_1,\
+				   RSSI_EXT40_LOW20_CHAIN##chain); \
+	ppdu_info->rx_status.rssi_chain[chain][3] = \
+			HAL_RX_GET(rssi_info_tlv, RECEIVE_RSSI_INFO_##word_1,\
+				   RSSI_EXT40_HIGH20_CHAIN##chain); \
+	ppdu_info->rx_status.rssi_chain[chain][4] = \
+			HAL_RX_GET(rssi_info_tlv, RECEIVE_RSSI_INFO_##word_2,\
+				   RSSI_EXT80_LOW20_CHAIN##chain); \
+	ppdu_info->rx_status.rssi_chain[chain][5] = \
+			HAL_RX_GET(rssi_info_tlv, RECEIVE_RSSI_INFO_##word_2,\
+				   RSSI_EXT80_LOW_HIGH20_CHAIN##chain); \
+	ppdu_info->rx_status.rssi_chain[chain][6] = \
+			HAL_RX_GET(rssi_info_tlv, RECEIVE_RSSI_INFO_##word_2,\
+				   RSSI_EXT80_HIGH_LOW20_CHAIN##chain); \
+	ppdu_info->rx_status.rssi_chain[chain][7] = \
+			HAL_RX_GET(rssi_info_tlv, RECEIVE_RSSI_INFO_##word_2,\
+				   RSSI_EXT80_HIGH20_CHAIN##chain); \
+	}						\
+
+#define HAL_RX_PPDU_UPDATE_RSSI(ppdu_info, rssi_info_tlv) \
+	{HAL_RX_UPDATE_RSSI_PER_CHAIN_BW(0, 0, 1, ppdu_info, rssi_info_tlv) \
+	HAL_RX_UPDATE_RSSI_PER_CHAIN_BW(1, 2, 3, ppdu_info, rssi_info_tlv) \
+	HAL_RX_UPDATE_RSSI_PER_CHAIN_BW(2, 4, 5, ppdu_info, rssi_info_tlv) \
+	HAL_RX_UPDATE_RSSI_PER_CHAIN_BW(3, 6, 7, ppdu_info, rssi_info_tlv) \
+	HAL_RX_UPDATE_RSSI_PER_CHAIN_BW(4, 8, 9, ppdu_info, rssi_info_tlv) \
+	HAL_RX_UPDATE_RSSI_PER_CHAIN_BW(5, 10, 11, ppdu_info, rssi_info_tlv) \
+	HAL_RX_UPDATE_RSSI_PER_CHAIN_BW(6, 12, 13, ppdu_info, rssi_info_tlv) \
+	HAL_RX_UPDATE_RSSI_PER_CHAIN_BW(7, 14, 15, ppdu_info, rssi_info_tlv)} \
+
+static inline uint32_t
+hal_rx_update_rssi_chain(struct hal_rx_ppdu_info *ppdu_info,
+			 uint8_t *rssi_info_tlv)
+{
+	HAL_RX_PPDU_UPDATE_RSSI(ppdu_info, rssi_info_tlv)
+	return 0;
+}
+
 /**
  * hal_rx_status_get_tlv_info() - process receive info TLV
  * @rx_tlv_hdr: pointer to TLV header
@@ -1103,6 +1150,7 @@ hal_rx_status_get_tlv_info_generic(void *rx_tlv_hdr, void *ppduinfo,
 		default:
 			break;
 		}
+		hal_rx_update_rssi_chain(ppdu_info, rssi_info_tlv);
 		value = HAL_RX_GET(rssi_info_tlv,
 			RECEIVE_RSSI_INFO_0, RSSI_PRI20_CHAIN0);
 		ppdu_info->rx_status.rssi[0] = value;

qdf/inc/qdf_nbuf.h

@@ -236,6 +236,7 @@
  * @first_data_seq_ctrl: Sequence ctrl field of first data frame
  * @rxpcu_filter_pass: Flag which indicates whether RX packets are received in
  *						BSS mode(not in promisc mode)
+ * @rssi_chain: Rssi chain per nss per bw
  */
 struct mon_rx_status {
 	uint64_t tsft;
@@ -315,6 +316,7 @@ struct mon_rx_status {
 	uint16_t first_data_seq_ctrl;
 	uint8_t ltf_size;
 	uint8_t rxpcu_filter_pass;
+	int8_t rssi_chain[8][8];
 };
 
 /**