qcacmn: Fix Key derivation for mesh rx stats

Fixed key derivation for mesh rx stats for received packet. Added cdp api
to get the key by passing key index and peer mac address.

Change-Id: I6a4c342b614ae85a5ad2fb047f2d8686aa068196
CRs-fixed: 2094335

dp/inc/cdp_txrx_cmn_struct.h

@@ -319,6 +319,16 @@ typedef void (*ol_txrx_tx_flow_control_fp)(void *osif_dev,
  */
 typedef QDF_STATUS(*ol_txrx_rx_fp)(void *osif_dev, qdf_nbuf_t msdu_list);
 
+/**
+ * ol_txrx_get_key_fp - function to gey key based on keyix and peer
+ * mac address
+ * @osif_dev - the virtual device's OS shim object
+ * @key_buf - pointer to store key
+ * @mac_addr - pointer to mac address
+ * @keyix - key id
+ */
+typedef QDF_STATUS(*ol_txrx_get_key_fp)(void *osif_dev, uint8_t *key_buf, uint8_t *mac_addr, uint8_t keyix);
+
 /**
  * ol_txrx_rsim_rx_decap_fp - raw mode simulation function to decap the
  * packets in receive path.
@@ -418,6 +428,8 @@ typedef void (*ol_txrx_stats_callback)(void *ctxt,
  * header added before the MPDU contents.
  * @proxy_arp - proxy arp function pointer - specified by
  * OS shim, stored by txrx
+ * @get_key - function pointer to get key of the peer with
+ * specific key index
  */
 struct ol_txrx_ops {
 	/* tx function pointers - specified by txrx, stored by OS shim */
@@ -437,6 +449,8 @@ struct ol_txrx_ops {
 	/* proxy arp function pointer - specified by OS shim, stored by txrx */
 	ol_txrx_proxy_arp_fp      proxy_arp;
 	ol_txrx_mcast_me_fp          me_convert;
+
+	ol_txrx_get_key_fp  get_key;
 };
 
 /**

dp/wifi3.0/dp_main.c

@@ -2649,6 +2649,7 @@ static struct cdp_vdev *dp_vdev_attach_wifi3(struct cdp_pdev *txrx_pdev,
 
 	vdev->osif_rx = NULL;
 	vdev->osif_rsim_rx_decap = NULL;
+	vdev->osif_get_key = NULL;
 	vdev->osif_rx_mon = NULL;
 	vdev->osif_tx_free_ext = NULL;
 	vdev->osif_vdev = NULL;
@@ -2731,6 +2732,7 @@ static void dp_vdev_register_wifi3(struct cdp_vdev *vdev_handle,
 	vdev->osif_vdev = osif_vdev;
 	vdev->osif_rx = txrx_ops->rx.rx;
 	vdev->osif_rsim_rx_decap = txrx_ops->rx.rsim_rx_decap;
+	vdev->osif_get_key = txrx_ops->get_key;
 	vdev->osif_rx_mon = txrx_ops->rx.mon;
 	vdev->osif_tx_free_ext = txrx_ops->tx.tx_free_ext;
 #ifdef notyet

dp/wifi3.0/dp_rx.c

@@ -413,6 +413,7 @@ dp_rx_intrabss_fwd(struct dp_soc *soc,
  * @vdev: DP Virtual device handle
  * @nbuf: Buffer pointer
  * @rx_tlv_hdr: start of rx tlv header
+ * @peer: pointer to peer
  *
  * This function allocated memory for mesh receive stats and fill the
  * required stats. Stores the memory address in skb cb.
@@ -421,7 +422,7 @@ dp_rx_intrabss_fwd(struct dp_soc *soc,
  */
 static
 void dp_rx_fill_mesh_stats(struct dp_vdev *vdev, qdf_nbuf_t nbuf,
-				uint8_t *rx_tlv_hdr)
+				uint8_t *rx_tlv_hdr, struct dp_peer *peer)
 {
 	struct mesh_recv_hdr_s *rx_info = NULL;
 	uint32_t pkt_type;
@@ -451,6 +452,11 @@ void dp_rx_fill_mesh_stats(struct dp_vdev *vdev, qdf_nbuf_t nbuf,
 	if (hal_rx_attn_msdu_get_is_decrypted(rx_tlv_hdr)) {
 		rx_info->rs_flags |= MESH_RX_DECRYPTED;
 		rx_info->rs_keyix = hal_rx_msdu_get_keyid(rx_tlv_hdr);
+		if (vdev->osif_get_key)
+			vdev->osif_get_key(vdev->osif_vdev,
+					&rx_info->rs_decryptkey[0],
+					&peer->mac_addr.raw[0],
+					rx_info->rs_keyix);
 	}
 
 	rx_info->rs_rssi = hal_rx_msdu_start_get_rssi(rx_tlv_hdr);
@@ -475,7 +481,7 @@ void dp_rx_fill_mesh_stats(struct dp_vdev *vdev, qdf_nbuf_t nbuf,
 }
 
 /**
- * dp_rx_fill_mesh_stats() - Filters mesh unwanted packets
+ * dp_rx_filter_mesh_packets() - Filters mesh unwanted packets
  *
  * @vdev: DP Virtual device handle
  * @nbuf: Buffer pointer
@@ -536,7 +542,7 @@ QDF_STATUS dp_rx_filter_mesh_packets(struct dp_vdev *vdev, qdf_nbuf_t nbuf,
 #else
 static
 void dp_rx_fill_mesh_stats(struct dp_vdev *vdev, qdf_nbuf_t nbuf,
-				uint8_t *rx_tlv_hdr)
+				uint8_t *rx_tlv_hdr, struct dp_peer *peer)
 {
 }
 
@@ -1258,7 +1264,8 @@ done:
 					qdf_nbuf_free(nbuf);
 					continue;
 				}
-				dp_rx_fill_mesh_stats(vdev, nbuf, rx_tlv_hdr);
+				dp_rx_fill_mesh_stats(vdev, nbuf,
+							rx_tlv_hdr, peer);
 			}
 
 #ifdef QCA_WIFI_NAPIER_EMULATION_DBG /* Debug code, remove later */

dp/wifi3.0/dp_types.h

@@ -1051,6 +1051,7 @@ struct dp_vdev {
 	/* callback to hand rx frames to the OS shim */
 	ol_txrx_rx_fp osif_rx;
 	ol_txrx_rsim_rx_decap_fp osif_rsim_rx_decap;
+	ol_txrx_get_key_fp osif_get_key;
 	ol_txrx_tx_free_ext_fp osif_tx_free_ext;
 
 #ifdef notyet