mwifiex: report received management frames to cfg80211

Process the management frames received from firmware and report
them to cfg80211.

Signed-off-by: Stone Piao <piaoyun@marvell.com>
Signed-off-by: Kiran Divekar <dkiran@marvell.com>
Signed-off-by: Kevin Gan <ganhy@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/mwifiex/fw.h b/drivers/net/wireless/mwifiex/fw.h
index 41b304a..b587ea3 100644
--- a/drivers/net/wireless/mwifiex/fw.h
+++ b/drivers/net/wireless/mwifiex/fw.h
@@ -94,6 +94,7 @@
 };
 
 #define CAL_SNR(RSSI, NF)		((s16)((s16)(RSSI)-(s16)(NF)))
+#define CAL_RSSI(SNR, NF)		((s16)((s16)(SNR)+(s16)(NF)))
 
 #define UAP_BSS_PARAMS_I			0
 #define UAP_CUSTOM_IE_I				1