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(parent: 3251035) | patch
net: thunderx: workaround BGX TX Underflow issue
authorTim Harvey <tharvey@gateworks.com>
Wed, 19 Feb 2020 23:19:36 +0000 (15:19 -0800)
committerDavid S. Miller <davem@davemloft.net>
Thu, 20 Feb 2020 23:49:20 +0000 (15:49 -0800)
commit91f429cb84c9597b8048ddfb4cafa30a8892d246
tree29a9a168f861b8570e68ede14725eae4f331a143tree | snapshot
parent3251035aec5b06045a129773a0c853a1e1c4112ccommit | diff
net: thunderx: workaround BGX TX Underflow issue

While it is not yet understood why a TX underflow can easily occur
for SGMII interfaces resulting in a TX wedge. It has been found that
disabling/re-enabling the LMAC resolves the issue.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Reviewed-by: Robert Jones <rjones@gateworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/cavium/thunder/thunder_bgx.c diff | blob | history
drivers/net/ethernet/cavium/thunder/thunder_bgx.h diff | blob | history
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