rsi: receive path enhancement for RS9113

RS9113 chipset supports Coex feature. Initial frame exchanges during
device initialization happens on coex queue. This patch adds the
handling for coex queue.

Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com>
Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/rsi/rsi_91x_main.c

@@ -123,9 +123,16 @@ int rsi_read_pkt(struct rsi_common *common, s32 rcv_pkt_len)
 
 		queueno = rsi_get_queueno(frame_desc, offset);
 		length = rsi_get_length(frame_desc, offset);
-		extended_desc = rsi_get_extended_desc(frame_desc, offset);
+
+		/* Extended descriptor is valid for WLAN queues only */
+		if (queueno == RSI_WIFI_DATA_Q || queueno == RSI_WIFI_MGMT_Q)
+			extended_desc = rsi_get_extended_desc(frame_desc,
+							      offset);
 
 		switch (queueno) {
+		case RSI_COEX_Q:
+			rsi_mgmt_pkt_recv(common, (frame_desc + offset));
+			break;
 		case RSI_WIFI_DATA_Q:
 			skb = rsi_prepare_skb(common,
 					      (frame_desc + offset),

drivers/net/wireless/rsi/rsi_main.h

@@ -63,6 +63,7 @@ extern __printf(2, 3) void rsi_dbg(u32 zone, const char *fmt, ...);
 #define MAX_CONTINUOUS_VI_PKTS          4
 
 /* Queue information */
+#define RSI_COEX_Q			0x0
 #define RSI_WIFI_MGMT_Q                 0x4
 #define RSI_WIFI_DATA_Q                 0x5
 #define IEEE80211_MGMT_FRAME            0x00