qcacmn: Add hal_rx_encryption_info_valid API

Implement hal_rx_encryption_info API based
on the chipset as the macro to retrieve
sa_idx value is chipset dependent.

Change-Id: I0c48800dfa5628898c53f7a9271e517b6bfa3da7
CRs-Fixed: 2522133

hal/wifi3.0/qca6490/hal_6490.c

@@ -121,6 +121,23 @@ static uint32_t hal_rx_msdu_end_l3_hdr_padding_get_6490(uint8_t *buf)
 	return l3_header_padding;
 }
 
+/*
+ * @ hal_rx_encryption_info_valid_6490: Returns encryption type.
+ *
+ * @ buf: rx_tlv_hdr of the received packet
+ * @ Return: encryption type
+ */
+static uint32_t hal_rx_encryption_info_valid_6490(uint8_t *buf)
+{
+	struct rx_pkt_tlvs *pkt_tlvs = (struct rx_pkt_tlvs *)buf;
+	struct rx_mpdu_start *mpdu_start =
+				 &pkt_tlvs->mpdu_start_tlv.rx_mpdu_start;
+	struct rx_mpdu_info *mpdu_info = &mpdu_start->rx_mpdu_info_details;
+	uint32_t encryption_info = HAL_RX_MPDU_ENCRYPTION_INFO_VALID(mpdu_info);
+
+	return encryption_info;
+}
+
 struct hal_hw_txrx_ops qca6490_hal_hw_txrx_ops = {
 	/* rx */
 	hal_rx_get_rx_fragment_number_6490,
@@ -128,4 +145,5 @@ struct hal_hw_txrx_ops qca6490_hal_hw_txrx_ops = {
 	hal_rx_msdu_end_sa_is_valid_get_6490,
 	hal_rx_desc_is_first_msdu_6490,
 	hal_rx_msdu_end_l3_hdr_padding_get_6490,
+	hal_rx_encryption_info_valid_6490,
 };