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Commit 046b1b9e authored by Mathias Thore's avatar Mathias Thore Committed by Greg Kroah-Hartman
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ucc_geth: Reset BQL queue when stopping device 



[ 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: default avatarDavid Gounaris <david.gounaris@infinera.com>
Signed-off-by: default avatarMathias Thore <mathias.thore@infinera.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent ee092be3

drivers/net/ethernet/freescale/ucc_geth.c

+2 −0
Original line number Diff line number Diff line
@@ -1888,6 +1888,8 @@ 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;