qcacmn: Add stats and filtering support in delivering of unencrypted frames

Addded stats and filtering support in delivering of unencrypted frames
in mesh mode.

Change-Id: I2fd72f766660e500affeccda9aad03a0313d0659
CRs-Fixed: 2004658

dp/wifi3.0/dp_rx.c

@@ -420,7 +420,7 @@ dp_rx_intrabss_fwd(struct dp_soc *soc,
  *
  * Return: void
  */
-static
+
 void dp_rx_fill_mesh_stats(struct dp_vdev *vdev, qdf_nbuf_t nbuf,
 				uint8_t *rx_tlv_hdr, struct dp_peer *peer)
 {
@@ -493,7 +493,6 @@ void dp_rx_fill_mesh_stats(struct dp_vdev *vdev, qdf_nbuf_t nbuf,
  * Return: status(0 indicates drop, 1 indicate to no drop)
  */
 
-static inline
 QDF_STATUS dp_rx_filter_mesh_packets(struct dp_vdev *vdev, qdf_nbuf_t nbuf,
 					uint8_t *rx_tlv_hdr)
 {
@@ -540,13 +539,11 @@ 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, struct dp_peer *peer)
 {
 }
 
-static inline
 QDF_STATUS dp_rx_filter_mesh_packets(struct dp_vdev *vdev, qdf_nbuf_t nbuf,
 					uint8_t *rx_tlv_hdr)
 {

dp/wifi3.0/dp_rx.h

@@ -648,8 +648,13 @@ QDF_STATUS
 dp_rx_link_desc_buf_return(struct dp_soc *soc, struct dp_srng *dp_rxdma_srng,
 				void *buf_addr_info);
 
-
 uint32_t
 dp_rxdma_err_process(struct dp_soc *soc, uint32_t mac_id,
 						uint32_t quota);
+
+void dp_rx_fill_mesh_stats(struct dp_vdev *vdev, qdf_nbuf_t nbuf,
+				uint8_t *rx_tlv_hdr, struct dp_peer *peer);
+QDF_STATUS dp_rx_filter_mesh_packets(struct dp_vdev *vdev, qdf_nbuf_t nbuf,
+					uint8_t *rx_tlv_hdr);
+
 #endif /* _DP_RX_H */

dp/wifi3.0/dp_rx_err.c

@@ -569,6 +569,23 @@ dp_rx_err_deliver(struct dp_soc *soc, struct dp_rx_desc *rx_desc,
 	 */
 	qdf_nbuf_pull_head(nbuf, (l2_hdr_offset + RX_PKT_TLVS_LEN));
 
+	qdf_nbuf_set_chfrag_start(nbuf, 1);
+	qdf_nbuf_set_chfrag_end(nbuf, 1);
+	if (dp_rx_filter_mesh_packets(vdev, nbuf,
+				rx_desc->rx_buf_start)
+			== QDF_STATUS_SUCCESS) {
+		QDF_TRACE(QDF_MODULE_ID_DP,
+				QDF_TRACE_LEVEL_INFO_MED,
+				FL("mesh pkt filtered"));
+		DP_STATS_INC(vdev->pdev, dropped.mesh_filter,
+				1);
+
+		qdf_nbuf_free(nbuf);
+		goto fail;
+
+	}
+	dp_rx_fill_mesh_stats(vdev, nbuf, rx_desc->rx_buf_start, peer);
+
 	if (qdf_unlikely(vdev->rx_decap_type == htt_cmn_pkt_type_raw)) {
 		dp_rx_deliver_raw(vdev, nbuf, peer);
 	} else {

dp/wifi3.0/hal_rx.h

@@ -1906,7 +1906,7 @@ enum hal_reo_error_code {
  * @ HAL_RXDMA_ERR_FCS           : FCS check on the MPDU frame failed
  * @ HAL_RXDMA_ERR_DECRYPT       : Decryption error
  * @ HAL_RXDMA_ERR_TKIP_MIC      : TKIP MIC error
- * @ HAL_RXDMA_ERR_UNECRYPTED    : Received a frame that was expected to be
+ * @ HAL_RXDMA_ERR_UNENCRYPTED   : Received a frame that was expected to be
  * 			  	   encrypted but wasn’t
  * @ HAL_RXDMA_ERR_MSDU_LEN      : MSDU related length error
  * @ HAL_RXDMA_ERR_MSDU_LIMIT    : Number of MSDUs in the MPDUs exceeded