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ixgbe: apply different rules for setting FC on E610

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E610 device doesn't support disabling FC autonegotiation.

Create dedicated E610 .set_pauseparam() implementation and assign
it to ixgbe_ethtool_ops_e610.

Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Signed-off-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Bharath R <bharath.r@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
This commit is contained in:
Jedrzej Jagielski 2025-03-03 13:06:29 +01:00 committed by Tony Nguyen
parent 451c6bc923
commit 7f58648dbc
1 changed files with 49 additions and 8 deletions
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57
drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
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@ -564,6 +564,22 @@ static void ixgbe_get_pauseparam(struct net_device *netdev,
}
}
static void ixgbe_set_pauseparam_finalize(struct net_device *netdev,
struct ixgbe_fc_info *fc)
{
struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
struct ixgbe_hw *hw = &adapter->hw;
/* If the thing changed then we'll update and use new autoneg. */
if (memcmp(fc, &hw->fc, sizeof(*fc))) {
hw->fc = *fc;
if (netif_running(netdev))
ixgbe_reinit_locked(adapter);
else
ixgbe_reset(adapter);
}
}
static int ixgbe_set_pauseparam(struct net_device *netdev,
struct ethtool_pauseparam *pause)
{
@ -592,15 +608,40 @@ static int ixgbe_set_pauseparam(struct net_device *netdev,
else
fc.requested_mode = ixgbe_fc_none;
/* if the thing changed then we'll update and use new autoneg */
if (memcmp(&fc, &hw->fc, sizeof(struct ixgbe_fc_info))) {
hw->fc = fc;
if (netif_running(netdev))
ixgbe_reinit_locked(adapter);
else
ixgbe_reset(adapter);
ixgbe_set_pauseparam_finalize(netdev, &fc);
return 0;
}
static int ixgbe_set_pauseparam_e610(struct net_device *netdev,
struct ethtool_pauseparam *pause)
{
struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
struct ixgbe_hw *hw = &adapter->hw;
struct ixgbe_fc_info fc = hw->fc;
if (!ixgbe_device_supports_autoneg_fc(hw))
return -EOPNOTSUPP;
if (pause->autoneg == AUTONEG_DISABLE) {
netdev_info(netdev,
"Cannot disable autonegotiation on this device.\n");
return -EOPNOTSUPP;
}
fc.disable_fc_autoneg = false;
if (pause->rx_pause && pause->tx_pause)
fc.requested_mode = ixgbe_fc_full;
else if (pause->rx_pause)
fc.requested_mode = ixgbe_fc_rx_pause;
else if (pause->tx_pause)
fc.requested_mode = ixgbe_fc_tx_pause;
else
fc.requested_mode = ixgbe_fc_none;
ixgbe_set_pauseparam_finalize(netdev, &fc);
return 0;
}
@ -3710,7 +3751,7 @@ static const struct ethtool_ops ixgbe_ethtool_ops_e610 = {
.set_ringparam = ixgbe_set_ringparam,
.get_pause_stats = ixgbe_get_pause_stats,
.get_pauseparam = ixgbe_get_pauseparam,
.set_pauseparam = ixgbe_set_pauseparam,
.set_pauseparam = ixgbe_set_pauseparam_e610,
.get_msglevel = ixgbe_get_msglevel,
.set_msglevel = ixgbe_set_msglevel,
.self_test = ixgbe_diag_test,