diff options
| author | Stephen Hemminger <shemminger@linux-foundation.org> | 2011-01-06 18:40:36 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-01-09 15:52:58 -0800 |
| commit | 2aca31e765f756408ebc8408378afa5795d1ae49 (patch) | |
| tree | 9e7f59ae4d5c32012725c8792f7f095a2fa4e934 | |
| parent | 9bcb8018cf7af1f00f35cad4b121897cac077269 (diff) | |
| download | kernel_samsung_smdk4412-2aca31e765f756408ebc8408378afa5795d1ae49.zip kernel_samsung_smdk4412-2aca31e765f756408ebc8408378afa5795d1ae49.tar.gz kernel_samsung_smdk4412-2aca31e765f756408ebc8408378afa5795d1ae49.tar.bz2 | |
sky2: fix limited auto negotiation
The sky2 driver would always try all possible supported speeds even
if the user only asked for a limited set of speed/duplex combinations.
Reported-by: Mohsen Hariri <m.hariri@gmail.com>
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/sky2.c | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 39996bf..b561092 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -3411,18 +3411,15 @@ static u32 sky2_supported_modes(const struct sky2_hw *hw) u32 modes = SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full | SUPPORTED_100baseT_Half - | SUPPORTED_100baseT_Full - | SUPPORTED_Autoneg | SUPPORTED_TP; + | SUPPORTED_100baseT_Full; if (hw->flags & SKY2_HW_GIGABIT) modes |= SUPPORTED_1000baseT_Half | SUPPORTED_1000baseT_Full; return modes; } else - return SUPPORTED_1000baseT_Half - | SUPPORTED_1000baseT_Full - | SUPPORTED_Autoneg - | SUPPORTED_FIBRE; + return SUPPORTED_1000baseT_Half + | SUPPORTED_1000baseT_Full; } static int sky2_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd) @@ -3436,9 +3433,11 @@ static int sky2_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd) if (sky2_is_copper(hw)) { ecmd->port = PORT_TP; ecmd->speed = sky2->speed; + ecmd->supported |= SUPPORTED_Autoneg | SUPPORTED_TP; } else { ecmd->speed = SPEED_1000; ecmd->port = PORT_FIBRE; + ecmd->supported |= SUPPORTED_Autoneg | SUPPORTED_FIBRE; } ecmd->advertising = sky2->advertising; @@ -3455,8 +3454,19 @@ static int sky2_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd) u32 supported = sky2_supported_modes(hw); if (ecmd->autoneg == AUTONEG_ENABLE) { + if (ecmd->advertising & ~supported) + return -EINVAL; + + if (sky2_is_copper(hw)) + sky2->advertising = ecmd->advertising | + ADVERTISED_TP | + ADVERTISED_Autoneg; + else + sky2->advertising = ecmd->advertising | + ADVERTISED_FIBRE | + ADVERTISED_Autoneg; + sky2->flags |= SKY2_FLAG_AUTO_SPEED; - ecmd->advertising = supported; sky2->duplex = -1; sky2->speed = -1; } else { @@ -3500,8 +3510,6 @@ static int sky2_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd) sky2->flags &= ~SKY2_FLAG_AUTO_SPEED; } - sky2->advertising = ecmd->advertising; - if (netif_running(dev)) { sky2_phy_reinit(sky2); sky2_set_multicast(dev); |