From 48f753d2ba94a4081400fa8d26bdbfbbf12b10de Mon Sep 17 00:00:00 2001
From: Michael Chan <mchan@broadcom.com>
Date: Tue, 18 May 2010 11:32:53 +0000
Subject: [PATCH] cnic: Return SPQ credit to bnx2x after ring setup and
 shutdown.

Everytime the iSCSI ring finishes setup or shutdown, we need to return
the SPQ (slow path queue) credit to the bnx2x driver.  Without this step,
the SPQ will eventually be full causing iSCSI to fail.  This can happen
after 3 or 4 MTU changes for example.

Add code to wait for these slow path commands to complete in the RX ring
and return the SPQ credit to bnx2x.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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