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authorAkeem G. Abodunrin <akeem.g.abodunrin@intel.com>2013-03-29 15:22:17 +0000
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2013-05-21 02:43:39 -0700
commit373e6978f9c5c05af3b3ec4cd0295b0bfbe11644 (patch)
treef9f524c34d366aabf2443d139c4c89ef28c90751
parent641ac5c0cd46919dc9be4c933f95edae1e4e4163 (diff)
downloadop-kernel-dev-373e6978f9c5c05af3b3ec4cd0295b0bfbe11644.zip
op-kernel-dev-373e6978f9c5c05af3b3ec4cd0295b0bfbe11644.tar.gz
igb: SerDes flow control setting
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>
-rw-r--r--drivers/net/ethernet/intel/igb/igb_ethtool.c34
1 files changed, 19 insertions, 15 deletions
diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c
index 4e54f84..7b25ee2 100644
--- a/drivers/net/ethernet/intel/igb/igb_ethtool.c
+++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c
@@ -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))
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