qcacmn: Add support to handle BAR frames in host

Due to recent FW changes not filtering out BAR frames, redirect these
frames to REO exception ring and handle as normal data packets.

Change-Id: I4540929fddab14de57a23f6364fc916a70057cbe
CRs-Fixed: 2795499

hal/wifi3.0/hal_rx.h

@@ -186,12 +186,14 @@ enum hal_rx_msdu_desc_flags {
  *                      [2] AMPDU flag
  *			[3] raw_ampdu
  * @peer_meta_data:	Upper bits containing peer id, vdev id
+ * @bar_frame: indicates if received frame is a bar frame
  */
 struct hal_rx_mpdu_desc_info {
 	uint16_t msdu_count;
 	uint16_t mpdu_seq; /* 12 bits for length */
 	uint32_t mpdu_flags;
 	uint32_t peer_meta_data; /* sw progamed meta-data:MAC Id & peer Id */
+	uint16_t bar_frame;
 };
 
 /**
@@ -427,6 +429,11 @@ enum hal_rx_ret_buf_manager {
 	HAL_RX_MPDU_AMPDU_FLAG_GET(mpdu_info_ptr) |	\
 	HAL_RX_MPDU_RAW_MPDU_GET(mpdu_info_ptr))
 
+#define HAL_RX_MPDU_BAR_FRAME_GET(mpdu_info_ptr) \
+	((mpdu_info_ptr[RX_MPDU_DESC_INFO_0_BAR_FRAME_OFFSET >> 2] & \
+	RX_MPDU_DESC_INFO_0_BAR_FRAME_MASK) >> \
+	RX_MPDU_DESC_INFO_0_BAR_FRAME_LSB)
+
 
 #define HAL_RX_MSDU_PKT_LENGTH_GET(msdu_info_ptr)		\
 	(_HAL_MS((*_OFFSET_TO_WORD_PTR(msdu_info_ptr,		\
@@ -558,6 +565,7 @@ static inline void hal_rx_mpdu_desc_info_get(void *desc_addr,
 	mpdu_desc_info->mpdu_flags = HAL_RX_MPDU_FLAGS_GET(mpdu_info);
 	mpdu_desc_info->peer_meta_data =
 		HAL_RX_MPDU_DESC_PEER_META_DATA_GET(mpdu_info);
+	mpdu_desc_info->bar_frame = HAL_RX_MPDU_BAR_FRAME_GET(mpdu_info);
 }
 
 /*