diff options
| author | Akeem G. Abodunrin <akeem.g.abodunrin@intel.com> | 2013-04-05 16:49:06 (GMT) |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2013-04-18 21:03:15 (GMT) |
| commit | f502ef7d77dd09bad9c93ee854fcb61d6fc29815 (patch) | |
| tree | 75efb858370a22c504064e624ff6b79275c0cd45 /drivers/net | |
| parent | 33243fb08678d6bdbe3f442dd72ed50b45efd474 (diff) | |
| download | linux-fsl-qoriq-f502ef7d77dd09bad9c93ee854fcb61d6fc29815.tar.xz | |
igb: Support for 100base-fx SFP
This patch adds support for 100base-fx SFP and report proper link speed/duplex
via Ethtool.
v2: fix smatch warnings
CC: Dan Carpenter <dan.carpenter@oracle.com>
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>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/intel/igb/e1000_hw.h | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/igb/igb_ethtool.c | 48 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/igb/igb_main.c | 18 |
3 files changed, 50 insertions, 19 deletions
diff --git a/drivers/net/ethernet/intel/igb/e1000_hw.h b/drivers/net/ethernet/intel/igb/e1000_hw.h index 0d5cf9c..f8cd124 100644 --- a/drivers/net/ethernet/intel/igb/e1000_hw.h +++ b/drivers/net/ethernet/intel/igb/e1000_hw.h @@ -98,7 +98,8 @@ enum e1000_mac_type { enum e1000_media_type { e1000_media_type_unknown = 0, e1000_media_type_copper = 1, - e1000_media_type_internal_serdes = 2, + e1000_media_type_fiber = 2, + e1000_media_type_internal_serdes = 3, e1000_num_media_types }; diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c index a3830a8..8499c48 100644 --- a/drivers/net/ethernet/intel/igb/igb_ethtool.c +++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c @@ -178,27 +178,33 @@ static int igb_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) ecmd->port = PORT_TP; ecmd->phy_address = hw->phy.addr; + ecmd->transceiver = XCVR_INTERNAL; } else { ecmd->supported = (SUPPORTED_1000baseT_Full | + SUPPORTED_100baseT_Full | + SUPPORTED_Autoneg | SUPPORTED_FIBRE | - SUPPORTED_Autoneg); + SUPPORTED_Pause); - ecmd->advertising = (ADVERTISED_1000baseT_Full | - ADVERTISED_FIBRE | - ADVERTISED_Autoneg | - ADVERTISED_Pause); + ecmd->advertising = ADVERTISED_FIBRE; + + if (adapter->link_speed == SPEED_100) + ecmd->advertising = ADVERTISED_100baseT_Full; + else if (adapter->link_speed == SPEED_1000) + ecmd->advertising = ADVERTISED_1000baseT_Full; + + if (hw->mac.autoneg == 1) + ecmd->advertising |= ADVERTISED_Autoneg; ecmd->port = PORT_FIBRE; + ecmd->transceiver = XCVR_EXTERNAL; } - ecmd->transceiver = XCVR_INTERNAL; - status = rd32(E1000_STATUS); if (status & E1000_STATUS_LU) { - if ((status & E1000_STATUS_SPEED_1000) || - hw->phy.media_type != e1000_media_type_copper) + if (status & E1000_STATUS_SPEED_1000) ethtool_cmd_speed_set(ecmd, SPEED_1000); else if (status & E1000_STATUS_SPEED_100) ethtool_cmd_speed_set(ecmd, SPEED_100); @@ -215,7 +221,11 @@ static int igb_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) ecmd->duplex = -1; } - ecmd->autoneg = hw->mac.autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE; + if ((hw->phy.media_type == e1000_media_type_fiber) || + hw->mac.autoneg) + ecmd->autoneg = AUTONEG_ENABLE; + else + ecmd->autoneg = AUTONEG_DISABLE; /* MDI-X => 2; MDI =>1; Invalid =>0 */ if (hw->phy.media_type == e1000_media_type_copper) @@ -266,9 +276,21 @@ static int igb_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) if (ecmd->autoneg == AUTONEG_ENABLE) { hw->mac.autoneg = 1; - hw->phy.autoneg_advertised = ecmd->advertising | - ADVERTISED_TP | - ADVERTISED_Autoneg; + if (hw->phy.media_type == e1000_media_type_fiber) { + hw->phy.autoneg_advertised = ecmd->advertising | + ADVERTISED_FIBRE | + ADVERTISED_Autoneg; + if (adapter->link_speed == SPEED_1000) + hw->phy.autoneg_advertised = + ADVERTISED_1000baseT_Full; + else if (adapter->link_speed == SPEED_100) + hw->phy.autoneg_advertised = + ADVERTISED_100baseT_Full; + } else { + hw->phy.autoneg_advertised = ecmd->advertising | + ADVERTISED_TP | + ADVERTISED_Autoneg; + } ecmd->advertising = hw->phy.autoneg_advertised; if (adapter->fc_autoneg) hw->fc.requested_mode = e1000_fc_default; diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 8496adf..0a465ae 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -7008,11 +7008,19 @@ int igb_set_spd_dplx(struct igb_adapter *adapter, u32 spd, u8 dplx) if ((spd & 1) || (dplx & ~1)) goto err_inval; - /* Fiber NIC's only allow 1000 Gbps Full duplex */ - if ((adapter->hw.phy.media_type == e1000_media_type_internal_serdes) && - spd != SPEED_1000 && - dplx != DUPLEX_FULL) - goto err_inval; + /* Fiber NIC's only allow 1000 gbps Full duplex + * and 100Mbps Full duplex for 100baseFx sfp + */ + if (adapter->hw.phy.media_type == e1000_media_type_internal_serdes) { + switch (spd + dplx) { + case SPEED_10 + DUPLEX_HALF: + case SPEED_10 + DUPLEX_FULL: + case SPEED_100 + DUPLEX_HALF: + goto err_inval; + default: + break; + } + } switch (spd + dplx) { case SPEED_10 + DUPLEX_HALF: |