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| author |   Divya Koppera <divya.koppera@microchip.com> | 2024-08-21 11:29:05 +0530 |
|---|---|---|
| committer |   Jakub Kicinski <kuba@kernel.org> | 2024-08-26 09:21:15 -0700 |
| commit | d4c897675a5a9f41a3f2c964d84e93bca5367f7a (patch) | |
| tree | a0aeba3b0bcd0d04685b718ab2ec14d31c0a6aea | |
| parent | Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next (diff) | |
| download | wireguard-linux-d4c897675a5a9f41a3f2c964d84e93bca5367f7a.tar.xz wireguard-linux-d4c897675a5a9f41a3f2c964d84e93bca5367f7a.zip | |
net: phy: Add phy library support to check supported list when autoneg is enabled
Adds support in phy library to accept autoneg configuration only when
feature is enabled in supported list.
Signed-off-by: Divya Koppera <divya.koppera@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20240821055906.27717-2-Divya.Koppera@microchip.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | drivers/net/phy/phy.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 785182fa5fe0..cba3af926429 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -1089,7 +1089,10 @@ int phy_ethtool_ksettings_set(struct phy_device *phydev, if (autoneg != AUTONEG_ENABLE && autoneg != AUTONEG_DISABLE) return -EINVAL; - if (autoneg == AUTONEG_ENABLE && linkmode_empty(advertising)) + if (autoneg == AUTONEG_ENABLE && + (linkmode_empty(advertising) || + !linkmode_test_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, + phydev->supported))) return -EINVAL; if (autoneg == AUTONEG_DISABLE && |