bnx2x: Clear fip MAC when fcoe offload support is disabled
authorSudarsana Reddy Kalluru <sudarsana.kalluru@cavium.com>
Wed, 12 Dec 2018 16:57:00 +0000 (08:57 -0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 13 Jan 2019 09:00:58 +0000 (10:00 +0100)
[ Upstream commit bbf666c1af916ed74795493c564df6fad462cc80 ]

On some customer setups it was observed that shmem contains a non-zero fip
MAC for 57711 which would lead to enabling of SW FCoE.
Add a software workaround to clear the bad fip mac address if no FCoE
connections are supported.

Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: Ariel Elior <ariel.elior@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c

index bd3e3f0..688d84c 100644 (file)
@@ -11733,8 +11733,10 @@ static void bnx2x_get_fcoe_info(struct bnx2x *bp)
         * If maximum allowed number of connections is zero -
         * disable the feature.
         */
-       if (!bp->cnic_eth_dev.max_fcoe_conn)
+       if (!bp->cnic_eth_dev.max_fcoe_conn) {
                bp->flags |= NO_FCOE_FLAG;
+               eth_zero_addr(bp->fip_mac);
+       }
 }
 
 static void bnx2x_get_cnic_info(struct bnx2x *bp)