be2net: fix some cmds to use mccq instead of mbox

All cmds issued to BE after the creation of mccq must now use the mcc-q
(and not mbox) to avoid a hw issue that results in mbox poll timeout.

Signed-off-by: Sathya Perla <sathyap@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/benet/be_cmds.h b/drivers/net/benet/be_cmds.h
index fd7028e..93e432f 100644
--- a/drivers/net/benet/be_cmds.h
+++ b/drivers/net/benet/be_cmds.h
@@ -61,7 +61,8 @@
 /* The command is completing because the queue was getting flushed */
 	MCC_STATUS_QUEUE_FLUSHING = 0x4,
 /* The command is completing with a DMA error */
-	MCC_STATUS_DMA_FAILED = 0x5
+	MCC_STATUS_DMA_FAILED = 0x5,
+	MCC_STATUS_NOT_SUPPORTED = 0x66
 };
 
 #define CQE_STATUS_COMPL_MASK		0xFFFF
@@ -761,7 +762,7 @@
 			u32 *tx_fc, u32 *rx_fc);
 extern int be_cmd_query_fw_cfg(struct be_adapter *adapter, u32 *port_num);
 extern int be_cmd_reset_function(struct be_adapter *adapter);
-extern void be_process_mcc(struct be_adapter *adapter);
+extern int be_process_mcc(struct be_adapter *adapter);
 extern int be_cmd_write_flashrom(struct be_adapter *adapter,
 			struct be_dma_mem *cmd, u32 flash_oper,
 			u32 flash_opcode, u32 buf_size);