bna: Clear Driver Config Flags When HW Resets

Rasesh Mody · davem330 · commit 4b2305826ccd · 2013-05-20T14:07:59.000-07:00
Driver configuration flags are retained across open/stop operations preventing
configurations to be set in next open/stop. Setting MTU on a 1020 causes
network to fail until a reboot is performed on the host.

Clear the flags when configuration resets in hardware.

Signed-off-by: Rasesh Mody &lt;rmody@brocade.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
diff --git a/drivers/net/ethernet/brocade/bna/bnad.c b/drivers/net/ethernet/brocade/bna/bnad.c
@@ -2624,6 +2624,9 @@ bnad_stop(struct net_device *netdev)
 	bnad_destroy_tx(bnad, 0);
 	bnad_destroy_rx(bnad, 0);
 
+	/* These config flags are cleared in the hardware */
+	bnad->cfg_flags &= ~(BNAD_CF_ALLMULTI | BNAD_CF_PROMISC);
+
 	/* Synchronize mailbox IRQ */
 	bnad_mbox_irq_sync(bnad);
 
