dfaef9d393
reason: update license to Mulan PSL v2 Signed-off-by: taleintervenor <taleintervenor@aliyun.com>
112 lines
2.4 KiB
Go
112 lines
2.4 KiB
Go
// Copyright (c) Huawei Technologies Co., Ltd. 2018-2019. All rights reserved.
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// syscontainer-tools is licensed under the Mulan PSL v2.
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// You can use this software according to the terms and conditions of the Mulan PSL v2.
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// You may obtain a copy of Mulan PSL v2 at:
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// http://license.coscl.org.cn/MulanPSL2
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// THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
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// PURPOSE.
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// See the Mulan PSL v2 for more details.
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// Description: ethtool for network interface
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// Author: zhangwei
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// Create: 2018-01-18
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package ethtool
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/*
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#include <stdlib.h>
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#include "ethtool.h"
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*/
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import "C"
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import (
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"fmt"
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"sync"
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"syscall"
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"unsafe"
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)
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// Ethtool ethtool interface
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type Ethtool interface {
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SetNetDeviceTSO(on bool) error
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SetNetDeviceTX(on bool) error
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SetNetDeviceSG(on bool) error
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Close() error
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}
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type ethtool struct {
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fd int
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name string
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sync.Mutex
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}
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// NewEthtool init ethtool
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func NewEthtool(name string) (Ethtool, error) {
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fd, err := syscall.Socket(syscall.AF_INET, syscall.SOCK_DGRAM, 0)
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if err != nil {
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fd, err = syscall.Socket(syscall.AF_NETLINK, syscall.SOCK_RAW, syscall.NETLINK_GENERIC)
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}
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if err != nil {
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return nil, err
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}
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return ðtool{fd: fd, name: name}, nil
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}
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func (etool *ethtool) SetNetDeviceTSO(on bool) error {
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etool.Lock()
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defer etool.Unlock()
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var cOn C.int
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if on {
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cOn = 1
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}
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cName := C.CString(etool.name)
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ret := C.setNetDeviceTSO(C.int(etool.fd), cName, cOn)
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C.free(unsafe.Pointer(cName))
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if ret != 0 {
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return fmt.Errorf("setNetDeviceTso return error: %d", ret)
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}
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return nil
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}
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func (etool *ethtool) SetNetDeviceTX(on bool) error {
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etool.Lock()
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defer etool.Unlock()
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var cOn C.int
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if on {
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cOn = 1
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}
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cName := C.CString(etool.name)
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ret := C.setNetDeviceTX(C.int(etool.fd), cName, cOn)
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C.free(unsafe.Pointer(cName))
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if ret != 0 {
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return fmt.Errorf("setNetDeviceTso return error: %d", ret)
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}
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return nil
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}
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func (etool *ethtool) SetNetDeviceSG(on bool) error {
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etool.Lock()
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defer etool.Unlock()
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var cOn C.int
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if on {
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cOn = 1
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}
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cName := C.CString(etool.name)
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ret := C.setNetDeviceSG(C.int(etool.fd), cName, cOn)
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C.free(unsafe.Pointer(cName))
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if ret != 0 {
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return fmt.Errorf("setNetDeviceTso return error: %d", ret)
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}
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return nil
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}
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func (etool *ethtool) Close() error {
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return syscall.Close(etool.fd)
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}
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