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igb: SerDes flow control setting

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This path allows users to get appropriate flow control setting on SerDes
devices, based on original implementation for Copper devices.
Also, since 100baseFX does not support setting flow control, so exclude
it from the setting mechanism.

Signed-off-by: Akeem G. Abodunrin <akeem.g.abodunrin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Akeem G. Abodunrin 2013-03-29 15:22:17 +00:00 committed by Jeff Kirsher
parent 641ac5c0cd
commit 373e6978f9
1 changed files with 19 additions and 15 deletions
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34
drivers/net/ethernet/intel/igb/igb_ethtool.c
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@ -164,21 +164,6 @@ static int igb_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
ecmd->advertising |= hw->phy.autoneg_advertised;
}
if (hw->mac.autoneg != 1)
ecmd->advertising &= ~(ADVERTISED_Pause |
ADVERTISED_Asym_Pause);
if (hw->fc.requested_mode == e1000_fc_full)
ecmd->advertising |= ADVERTISED_Pause;
else if (hw->fc.requested_mode == e1000_fc_rx_pause)
ecmd->advertising |= (ADVERTISED_Pause |
ADVERTISED_Asym_Pause);
else if (hw->fc.requested_mode == e1000_fc_tx_pause)
ecmd->advertising |= ADVERTISED_Asym_Pause;
else
ecmd->advertising &= ~(ADVERTISED_Pause |
ADVERTISED_Asym_Pause);
ecmd->port = PORT_TP;
ecmd->phy_address = hw->phy.addr;
ecmd->transceiver = XCVR_INTERNAL;
@ -206,6 +191,21 @@ static int igb_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
ecmd->transceiver = XCVR_EXTERNAL;
}
if (hw->mac.autoneg != 1)
ecmd->advertising &= ~(ADVERTISED_Pause |
ADVERTISED_Asym_Pause);
if (hw->fc.requested_mode == e1000_fc_full)
ecmd->advertising |= ADVERTISED_Pause;
else if (hw->fc.requested_mode == e1000_fc_rx_pause)
ecmd->advertising |= (ADVERTISED_Pause |
ADVERTISED_Asym_Pause);
else if (hw->fc.requested_mode == e1000_fc_tx_pause)
ecmd->advertising |= ADVERTISED_Asym_Pause;
else
ecmd->advertising &= ~(ADVERTISED_Pause |
ADVERTISED_Asym_Pause);
status = rd32(E1000_STATUS);
if (status & E1000_STATUS_LU) {
@ -386,6 +386,10 @@ static int igb_set_pauseparam(struct net_device *netdev,
struct e1000_hw *hw = &adapter->hw;
int retval = 0;
/* 100basefx does not support setting link flow control */
if (hw->dev_spec._82575.eth_flags.e100_base_fx)
return -EINVAL;
adapter->fc_autoneg = pause->autoneg;
while (test_and_set_bit(__IGB_RESETTING, &adapter->state))