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//go:build linux
// +build linux
//
// Copyright (c) 2015-2024 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
package madmin
import (
"fmt"
"github.com/safchain/ethtool"
)
// GetNetInfo returns information of the given network interface
func GetNetInfo(addr string, iface string) (ni NetInfo) {
ni.Addr = addr
ni.Interface = iface
ethHandle, err := ethtool.NewEthtool()
if err != nil {
ni.Error = err.Error()
return
}
defer ethHandle.Close()
di, err := ethHandle.DriverInfo(ni.Interface)
if err != nil {
ni.Error = fmt.Sprintf("Error getting driver info for %s: %s", ni.Interface, err.Error())
return
}
ni.Driver = di.Driver
ni.FirmwareVersion = di.FwVersion
ring, err := ethHandle.GetRing(ni.Interface)
if err != nil {
ni.Error = fmt.Sprintf("Error getting ring parameters for %s: %s", ni.Interface, err.Error())
return
}
ni.Settings = &NetSettings{
RxMaxPending: ring.RxMaxPending,
TxMaxPending: ring.TxMaxPending,
RxPending: ring.RxPending,
TxPending: ring.TxPending,
}
channels, err := ethHandle.GetChannels(iface)
if err != nil {
ni.Error = fmt.Sprintf("Error getting channels for %s: %s", ni.Interface, err.Error())
}
ni.Settings.CombinedCount = channels.CombinedCount
ni.Settings.MaxCombined = channels.MaxCombined
return
}
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