4.4-stable review patch. If anyone has any objections, please let me know.
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From: Mathias Thore mathias.thore@infinera.com
[ Upstream commit e15aa3b2b1388c399c1a2ce08550d2cc4f7e3e14 ]
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 Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/net/ethernet/freescale/ucc_geth.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/drivers/net/ethernet/freescale/ucc_geth.c +++ b/drivers/net/ethernet/freescale/ucc_geth.c @@ -1888,6 +1888,8 @@ static void ucc_geth_free_tx(struct ucc_ u16 i, j; u8 __iomem *bd;
+ netdev_reset_queue(ugeth->ndev); + ug_info = ugeth->ug_info; uf_info = &ug_info->uf_info;