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net: phylink: avoid mvneta warning when setting pause parameters

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[ Upstream commit fd8d9731bc ]

mvneta does not support asymetric pause modes, and it flags this by the
lack of AsymPause in the supported field. When setting pause modes, we
check that pause->rx_pause == pause->tx_pause, but only when pause
autoneg is enabled. When pause autoneg is disabled, we still allow
pause->rx_pause != pause->tx_pause, which is incorrect when the MAC
does not support asymetric pause, and causes mvneta to issue a warning.

Fix this by removing the test for pause->autoneg, so we always check
that pause->rx_pause == pause->tx_pause for network devices that do not
support AsymPause.

Fixes: 9525ae8395 ("phylink: add phylink infrastructure")
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Russell King (Oracle)
2021-10-28 15:55:34 +01:00
committed by Greg Kroah-Hartman
parent 08449a5c0e
commit fb41b8f5e8
1 changed files with 1 additions and 1 deletions
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2
drivers/net/phy/phylink.c
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@@ -1610,7 +1610,7 @@ int phylink_ethtool_set_pauseparam(struct phylink *pl,
return -EOPNOTSUPP;
if (!phylink_test(pl->supported, Asym_Pause) &&
!pause->autoneg && pause->rx_pause != pause->tx_pause)
pause->rx_pause != pause->tx_pause)
return -EINVAL;
pause_state = 0;