ucc_geth: Reset BQL queue when stopping device

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>

diff --git a/drivers/net/ethernet/freescale/ucc_geth.c b/drivers/net/ethernet/freescale/ucc_geth.c
index c3d539e209ed26a4ee3f022c45be85394a1ef398..eb3e65e8868f9f65047ab24e8094f56e307bb64b 100644 (file)
--- a/drivers/net/ethernet/freescale/ucc_geth.c
+++ b/drivers/net/ethernet/freescale/ucc_geth.c
@@ -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;