ucc_geth: Reset BQL queue when stopping device
authorMathias Thore <mathias.thore@infinera.com>
Mon, 28 Jan 2019 09:07:47 +0000 (10:07 +0100)
committerDavid S. Miller <davem@davemloft.net>
Wed, 30 Jan 2019 18:36:23 +0000 (10:36 -0800)
After a timeout event caused by for example a broadcast storm, when
the MAC and PHY are reset, the BQL TX queue needs to be reset as
well. Otherwise, the device will exhibit severe performance issues
even after the storm has ended.

Co-authored-by: David Gounaris <david.gounaris@infinera.com>
Signed-off-by: Mathias Thore <mathias.thore@infinera.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/freescale/ucc_geth.c

index c3d539e..eb3e65e 100644 (file)
@@ -1879,6 +1879,8 @@ static void ucc_geth_free_tx(struct ucc_geth_private *ugeth)
        u16 i, j;
        u8 __iomem *bd;
 
+       netdev_reset_queue(ugeth->ndev);
+
        ug_info = ugeth->ug_info;
        uf_info = &ug_info->uf_info;