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CNI: bump to 1.0.1 (#297)

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* CNI: bump to 1.0.1

This commit bumps the declared version of CNI in the Kilo manifests to
1.0.1. This is possible with no changes to the configuration lists
because our simple configuration is not affected by any of the
deprecations, and there was effectively no change between 0.4.0 and
1.0.0, other than the declaration of a stable API. Similarly, this
commit also bumps the version of the CNI library and the plugins
package.

Bumping to CNI 1.0.0 will help ensure that Kilo stays compatible with
container runtimes in the future.

Signed-off-by: Lucas Servén Marín <lserven@gmail.com>

* vendor: revendor

Signed-off-by: Lucas Servén Marín <lserven@gmail.com>
This commit is contained in:
Lucas Servén Marín
2022-04-18 19:00:37 +02:00
committed by GitHub
parent 6862274e8e
commit 8cadff2b79
129 changed files with 10937 additions and 1892 deletions
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# Compiled Object files, Static and Dynamic libs (Shared Objects)
*.o
*.a
*.so
# Folders
_obj
_test
# Architecture specific extensions/prefixes
*.[568vq]
[568vq].out
*.cgo1.go
*.cgo2.c
_cgo_defun.c
_cgo_gotypes.go
_cgo_export.*
_testmain.go
*.exe
*.test
*.prof
# Skip compiled example binary file
/example/example

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arch:
- amd64
- ppc64le
language: go
before_script:
- go get golang.org/x/sys/unix

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all: build
build:
CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build

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# ethtool go package #
[![Build Status](https://travis-ci.org/safchain/ethtool.png?branch=master)](https://travis-ci.org/safchain/ethtool)
[![GoDoc](https://godoc.org/github.com/safchain/ethtool?status.svg)](https://godoc.org/github.com/safchain/ethtool)
The ethtool package aims to provide a library giving a simple access to the Linux SIOCETHTOOL ioctl operations. It can be used to retrieve informations from a network device like statistics, driver related informations or even the peer of a VETH interface.
## Build and Test ##
go get command:
go get github.com/safchain/ethtool
Testing
In order to run te
go test github.com/safchain/ethtool
## Examples ##
```go
package main
import (
"fmt"
"github.com/safchain/ethtool"
)
func main() {
ethHandle, err := ethtool.NewEthtool()
if err != nil {
panic(err.Error())
}
defer ethHandle.Close()
// Retrieve tx from eth0
stats, err := ethHandle.Stats("eth0")
if err != nil {
panic(err.Error())
}
fmt.Printf("TX: %d\n", stats["tx_bytes"])
// Retrieve peer index of a veth interface
stats, err = ethHandle.Stats("veth0")
if err != nil {
panic(err.Error())
}
fmt.Printf("Peer Index: %d\n", stats["peer_ifindex"])
}
```
## LICENSE ##
Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
// Package ethtool aims to provide a library giving a simple access to the
// Linux SIOCETHTOOL ioctl operations. It can be used to retrieve informations
// from a network device like statistics, driver related informations or
// even the peer of a VETH interface.
package ethtool
import (
"bytes"
"encoding/hex"
"fmt"
"strings"
"unsafe"
"golang.org/x/sys/unix"
)
// Maximum size of an interface name
const (
IFNAMSIZ = 16
)
// ioctl ethtool request
const (
SIOCETHTOOL = 0x8946
)
// ethtool stats related constants.
const (
ETH_GSTRING_LEN = 32
ETH_SS_STATS = 1
ETH_SS_FEATURES = 4
ETHTOOL_GDRVINFO = 0x00000003
ETHTOOL_GSTRINGS = 0x0000001b
ETHTOOL_GSTATS = 0x0000001d
// other CMDs from ethtool-copy.h of ethtool-3.5 package
ETHTOOL_GSET = 0x00000001 /* Get settings. */
ETHTOOL_SSET = 0x00000002 /* Set settings. */
ETHTOOL_GMSGLVL = 0x00000007 /* Get driver message level */
ETHTOOL_SMSGLVL = 0x00000008 /* Set driver msg level. */
ETHTOOL_GCHANNELS = 0x0000003c /* Get no of channels */
ETHTOOL_SCHANNELS = 0x0000003d /* Set no of channels */
ETHTOOL_GCOALESCE = 0x0000000e /* Get coalesce config */
/* Get link status for host, i.e. whether the interface *and* the
* physical port (if there is one) are up (ethtool_value). */
ETHTOOL_GLINK = 0x0000000a
ETHTOOL_GMODULEINFO = 0x00000042 /* Get plug-in module information */
ETHTOOL_GMODULEEEPROM = 0x00000043 /* Get plug-in module eeprom */
ETHTOOL_GPERMADDR = 0x00000020
ETHTOOL_GFEATURES = 0x0000003a /* Get device offload settings */
ETHTOOL_SFEATURES = 0x0000003b /* Change device offload settings */
ETHTOOL_GFLAGS = 0x00000025 /* Get flags bitmap(ethtool_value) */
ETHTOOL_GSSET_INFO = 0x00000037 /* Get string set info */
)
// MAX_GSTRINGS maximum number of stats entries that ethtool can
// retrieve currently.
const (
MAX_GSTRINGS = 16384
MAX_FEATURE_BLOCKS = (MAX_GSTRINGS + 32 - 1) / 32
EEPROM_LEN = 640
PERMADDR_LEN = 32
)
type ifreq struct {
ifr_name [IFNAMSIZ]byte
ifr_data uintptr
}
// following structures comes from uapi/linux/ethtool.h
type ethtoolSsetInfo struct {
cmd uint32
reserved uint32
sset_mask uint32
data uintptr
}
type ethtoolGetFeaturesBlock struct {
available uint32
requested uint32
active uint32
never_changed uint32
}
type ethtoolGfeatures struct {
cmd uint32
size uint32
blocks [MAX_FEATURE_BLOCKS]ethtoolGetFeaturesBlock
}
type ethtoolSetFeaturesBlock struct {
valid uint32
requested uint32
}
type ethtoolSfeatures struct {
cmd uint32
size uint32
blocks [MAX_FEATURE_BLOCKS]ethtoolSetFeaturesBlock
}
type ethtoolDrvInfo struct {
cmd uint32
driver [32]byte
version [32]byte
fw_version [32]byte
bus_info [32]byte
erom_version [32]byte
reserved2 [12]byte
n_priv_flags uint32
n_stats uint32
testinfo_len uint32
eedump_len uint32
regdump_len uint32
}
// DrvInfo contains driver information
// ethtool.h v3.5: struct ethtool_drvinfo
type DrvInfo struct {
Cmd uint32
Driver string
Version string
FwVersion string
BusInfo string
EromVersion string
Reserved2 string
NPrivFlags uint32
NStats uint32
TestInfoLen uint32
EedumpLen uint32
RegdumpLen uint32
}
// Channels contains the number of channels for a given interface.
type Channels struct {
Cmd uint32
MaxRx uint32
MaxTx uint32
MaxOther uint32
MaxCombined uint32
RxCount uint32
TxCount uint32
OtherCount uint32
CombinedCount uint32
}
// Coalesce is a coalesce config for an interface
type Coalesce struct {
Cmd uint32
RxCoalesceUsecs uint32
RxMaxCoalescedFrames uint32
RxCoalesceUsecsIrq uint32
RxMaxCoalescedFramesIrq uint32
TxCoalesceUsecs uint32
TxMaxCoalescedFrames uint32
TxCoalesceUsecsIrq uint32
TxMaxCoalescedFramesIrq uint32
StatsBlockCoalesceUsecs uint32
UseAdaptiveRxCoalesce uint32
UseAdaptiveTxCoalesce uint32
PktRateLow uint32
RxCoalesceUsecsLow uint32
RxMaxCoalescedFramesLow uint32
TxCoalesceUsecsLow uint32
TxMaxCoalescedFramesLow uint32
PktRateHigh uint32
RxCoalesceUsecsHigh uint32
RxMaxCoalescedFramesHigh uint32
TxCoalesceUsecsHigh uint32
TxMaxCoalescedFramesHigh uint32
RateSampleInterval uint32
}
type ethtoolGStrings struct {
cmd uint32
string_set uint32
len uint32
data [MAX_GSTRINGS * ETH_GSTRING_LEN]byte
}
type ethtoolStats struct {
cmd uint32
n_stats uint32
data [MAX_GSTRINGS]uint64
}
type ethtoolEeprom struct {
cmd uint32
magic uint32
offset uint32
len uint32
data [EEPROM_LEN]byte
}
type ethtoolModInfo struct {
cmd uint32
tpe uint32
eeprom_len uint32
reserved [8]uint32
}
type ethtoolLink struct {
cmd uint32
data uint32
}
type ethtoolPermAddr struct {
cmd uint32
size uint32
data [PERMADDR_LEN]byte
}
type Ethtool struct {
fd int
}
// DriverName returns the driver name of the given interface name.
func (e *Ethtool) DriverName(intf string) (string, error) {
info, err := e.getDriverInfo(intf)
if err != nil {
return "", err
}
return string(bytes.Trim(info.driver[:], "\x00")), nil
}
// BusInfo returns the bus information of the given interface name.
func (e *Ethtool) BusInfo(intf string) (string, error) {
info, err := e.getDriverInfo(intf)
if err != nil {
return "", err
}
return string(bytes.Trim(info.bus_info[:], "\x00")), nil
}
// ModuleEeprom returns Eeprom information of the given interface name.
func (e *Ethtool) ModuleEeprom(intf string) ([]byte, error) {
eeprom, _, err := e.getModuleEeprom(intf)
if err != nil {
return nil, err
}
return eeprom.data[:eeprom.len], nil
}
// ModuleEeprom returns Eeprom information of the given interface name.
func (e *Ethtool) ModuleEepromHex(intf string) (string, error) {
eeprom, _, err := e.getModuleEeprom(intf)
if err != nil {
return "", err
}
return hex.EncodeToString(eeprom.data[:eeprom.len]), nil
}
// DriverInfo returns driver information of the given interface name.
func (e *Ethtool) DriverInfo(intf string) (DrvInfo, error) {
i, err := e.getDriverInfo(intf)
if err != nil {
return DrvInfo{}, err
}
drvInfo := DrvInfo{
Cmd: i.cmd,
Driver: string(bytes.Trim(i.driver[:], "\x00")),
Version: string(bytes.Trim(i.version[:], "\x00")),
FwVersion: string(bytes.Trim(i.fw_version[:], "\x00")),
BusInfo: string(bytes.Trim(i.bus_info[:], "\x00")),
EromVersion: string(bytes.Trim(i.erom_version[:], "\x00")),
Reserved2: string(bytes.Trim(i.reserved2[:], "\x00")),
NPrivFlags: i.n_priv_flags,
NStats: i.n_stats,
TestInfoLen: i.testinfo_len,
EedumpLen: i.eedump_len,
RegdumpLen: i.regdump_len,
}
return drvInfo, nil
}
// GetChannels returns the number of channels for the given interface name.
func (e *Ethtool) GetChannels(intf string) (Channels, error) {
channels, err := e.getChannels(intf)
if err != nil {
return Channels{}, err
}
return channels, nil
}
// SetChannels sets the number of channels for the given interface name and
// returns the new number of channels.
func (e *Ethtool) SetChannels(intf string, channels Channels) (Channels, error) {
channels, err := e.setChannels(intf, channels)
if err != nil {
return Channels{}, err
}
return channels, nil
}
// GetCoalesce returns the coalesce config for the given interface name.
func (e *Ethtool) GetCoalesce(intf string) (Coalesce, error) {
coalesce, err := e.getCoalesce(intf)
if err != nil {
return Coalesce{}, err
}
return coalesce, nil
}
// PermAddr returns permanent address of the given interface name.
func (e *Ethtool) PermAddr(intf string) (string, error) {
permAddr, err := e.getPermAddr(intf)
if err != nil {
return "", err
}
if permAddr.data[0] == 0 && permAddr.data[1] == 0 &&
permAddr.data[2] == 0 && permAddr.data[3] == 0 &&
permAddr.data[4] == 0 && permAddr.data[5] == 0 {
return "", nil
}
return fmt.Sprintf("%x:%x:%x:%x:%x:%x",
permAddr.data[0:1],
permAddr.data[1:2],
permAddr.data[2:3],
permAddr.data[3:4],
permAddr.data[4:5],
permAddr.data[5:6],
), nil
}
func (e *Ethtool) ioctl(intf string, data uintptr) error {
var name [IFNAMSIZ]byte
copy(name[:], []byte(intf))
ifr := ifreq{
ifr_name: name,
ifr_data: data,
}
_, _, ep := unix.Syscall(unix.SYS_IOCTL, uintptr(e.fd), SIOCETHTOOL, uintptr(unsafe.Pointer(&ifr)))
if ep != 0 {
return ep
}
return nil
}
func (e *Ethtool) getDriverInfo(intf string) (ethtoolDrvInfo, error) {
drvinfo := ethtoolDrvInfo{
cmd: ETHTOOL_GDRVINFO,
}
if err := e.ioctl(intf, uintptr(unsafe.Pointer(&drvinfo))); err != nil {
return ethtoolDrvInfo{}, err
}
return drvinfo, nil
}
func (e *Ethtool) getChannels(intf string) (Channels, error) {
channels := Channels{
Cmd: ETHTOOL_GCHANNELS,
}
if err := e.ioctl(intf, uintptr(unsafe.Pointer(&channels))); err != nil {
return Channels{}, err
}
return channels, nil
}
func (e *Ethtool) setChannels(intf string, channels Channels) (Channels, error) {
channels.Cmd = ETHTOOL_SCHANNELS
if err := e.ioctl(intf, uintptr(unsafe.Pointer(&channels))); err != nil {
return Channels{}, err
}
return channels, nil
}
func (e *Ethtool) getCoalesce(intf string) (Coalesce, error) {
coalesce := Coalesce{
Cmd: ETHTOOL_GCOALESCE,
}
if err := e.ioctl(intf, uintptr(unsafe.Pointer(&coalesce))); err != nil {
return Coalesce{}, err
}
return coalesce, nil
}
func (e *Ethtool) getPermAddr(intf string) (ethtoolPermAddr, error) {
permAddr := ethtoolPermAddr{
cmd: ETHTOOL_GPERMADDR,
size: PERMADDR_LEN,
}
if err := e.ioctl(intf, uintptr(unsafe.Pointer(&permAddr))); err != nil {
return ethtoolPermAddr{}, err
}
return permAddr, nil
}
func (e *Ethtool) getModuleEeprom(intf string) (ethtoolEeprom, ethtoolModInfo, error) {
modInfo := ethtoolModInfo{
cmd: ETHTOOL_GMODULEINFO,
}
if err := e.ioctl(intf, uintptr(unsafe.Pointer(&modInfo))); err != nil {
return ethtoolEeprom{}, ethtoolModInfo{}, err
}
eeprom := ethtoolEeprom{
cmd: ETHTOOL_GMODULEEEPROM,
len: modInfo.eeprom_len,
offset: 0,
}
if modInfo.eeprom_len > EEPROM_LEN {
return ethtoolEeprom{}, ethtoolModInfo{}, fmt.Errorf("eeprom size: %d is larger than buffer size: %d", modInfo.eeprom_len, EEPROM_LEN)
}
if err := e.ioctl(intf, uintptr(unsafe.Pointer(&eeprom))); err != nil {
return ethtoolEeprom{}, ethtoolModInfo{}, err
}
return eeprom, modInfo, nil
}
func isFeatureBitSet(blocks [MAX_FEATURE_BLOCKS]ethtoolGetFeaturesBlock, index uint) bool {
return (blocks)[index/32].active&(1<<(index%32)) != 0
}
func setFeatureBit(blocks *[MAX_FEATURE_BLOCKS]ethtoolSetFeaturesBlock, index uint, value bool) {
blockIndex, bitIndex := index/32, index%32
blocks[blockIndex].valid |= 1 << bitIndex
if value {
blocks[blockIndex].requested |= 1 << bitIndex
} else {
blocks[blockIndex].requested &= ^(1 << bitIndex)
}
}
// FeatureNames shows supported features by their name.
func (e *Ethtool) FeatureNames(intf string) (map[string]uint, error) {
ssetInfo := ethtoolSsetInfo{
cmd: ETHTOOL_GSSET_INFO,
sset_mask: 1 << ETH_SS_FEATURES,
}
if err := e.ioctl(intf, uintptr(unsafe.Pointer(&ssetInfo))); err != nil {
return nil, err
}
length := uint32(ssetInfo.data)
if length == 0 {
return map[string]uint{}, nil
} else if length > MAX_GSTRINGS {
return nil, fmt.Errorf("ethtool currently doesn't support more than %d entries, received %d", MAX_GSTRINGS, length)
}
gstrings := ethtoolGStrings{
cmd: ETHTOOL_GSTRINGS,
string_set: ETH_SS_FEATURES,
len: length,
data: [MAX_GSTRINGS * ETH_GSTRING_LEN]byte{},
}
if err := e.ioctl(intf, uintptr(unsafe.Pointer(&gstrings))); err != nil {
return nil, err
}
var result = make(map[string]uint)
for i := 0; i != int(length); i++ {
b := gstrings.data[i*ETH_GSTRING_LEN : i*ETH_GSTRING_LEN+ETH_GSTRING_LEN]
key := string(bytes.Trim(b, "\x00"))
if key != "" {
result[key] = uint(i)
}
}
return result, nil
}
// Features retrieves features of the given interface name.
func (e *Ethtool) Features(intf string) (map[string]bool, error) {
names, err := e.FeatureNames(intf)
if err != nil {
return nil, err
}
length := uint32(len(names))
if length == 0 {
return map[string]bool{}, nil
}
features := ethtoolGfeatures{
cmd: ETHTOOL_GFEATURES,
size: (length + 32 - 1) / 32,
}
if err := e.ioctl(intf, uintptr(unsafe.Pointer(&features))); err != nil {
return nil, err
}
var result = make(map[string]bool, length)
for key, index := range names {
result[key] = isFeatureBitSet(features.blocks, index)
}
return result, nil
}
// Change requests a change in the given device's features.
func (e *Ethtool) Change(intf string, config map[string]bool) error {
names, err := e.FeatureNames(intf)
if err != nil {
return err
}
length := uint32(len(names))
features := ethtoolSfeatures{
cmd: ETHTOOL_SFEATURES,
size: (length + 32 - 1) / 32,
}
for key, value := range config {
if index, ok := names[key]; ok {
setFeatureBit(&features.blocks, index, value)
} else {
return fmt.Errorf("unsupported feature %q", key)
}
}
return e.ioctl(intf, uintptr(unsafe.Pointer(&features)))
}
// Get state of a link.
func (e *Ethtool) LinkState(intf string) (uint32, error) {
x := ethtoolLink{
cmd: ETHTOOL_GLINK,
}
if err := e.ioctl(intf, uintptr(unsafe.Pointer(&x))); err != nil {
return 0, err
}
return x.data, nil
}
// Stats retrieves stats of the given interface name.
func (e *Ethtool) Stats(intf string) (map[string]uint64, error) {
drvinfo := ethtoolDrvInfo{
cmd: ETHTOOL_GDRVINFO,
}
if err := e.ioctl(intf, uintptr(unsafe.Pointer(&drvinfo))); err != nil {
return nil, err
}
if drvinfo.n_stats*ETH_GSTRING_LEN > MAX_GSTRINGS*ETH_GSTRING_LEN {
return nil, fmt.Errorf("ethtool currently doesn't support more than %d entries, received %d", MAX_GSTRINGS, drvinfo.n_stats)
}
gstrings := ethtoolGStrings{
cmd: ETHTOOL_GSTRINGS,
string_set: ETH_SS_STATS,
len: drvinfo.n_stats,
data: [MAX_GSTRINGS * ETH_GSTRING_LEN]byte{},
}
if err := e.ioctl(intf, uintptr(unsafe.Pointer(&gstrings))); err != nil {
return nil, err
}
stats := ethtoolStats{
cmd: ETHTOOL_GSTATS,
n_stats: drvinfo.n_stats,
data: [MAX_GSTRINGS]uint64{},
}
if err := e.ioctl(intf, uintptr(unsafe.Pointer(&stats))); err != nil {
return nil, err
}
var result = make(map[string]uint64)
for i := 0; i != int(drvinfo.n_stats); i++ {
b := gstrings.data[i*ETH_GSTRING_LEN : i*ETH_GSTRING_LEN+ETH_GSTRING_LEN]
strEnd := strings.Index(string(b), "\x00")
if strEnd == -1 {
strEnd = ETH_GSTRING_LEN
}
key := string(b[:strEnd])
if len(key) != 0 {
result[key] = stats.data[i]
}
}
return result, nil
}
// Close closes the ethool handler
func (e *Ethtool) Close() {
unix.Close(e.fd)
}
// NewEthtool returns a new ethtool handler
func NewEthtool() (*Ethtool, error) {
fd, err := unix.Socket(unix.AF_INET, unix.SOCK_DGRAM, unix.IPPROTO_IP)
if err != nil {
return nil, err
}
return &Ethtool{
fd: int(fd),
}, nil
}
// BusInfo returns bus information of the given interface name.
func BusInfo(intf string) (string, error) {
e, err := NewEthtool()
if err != nil {
return "", err
}
defer e.Close()
return e.BusInfo(intf)
}
// DriverName returns the driver name of the given interface name.
func DriverName(intf string) (string, error) {
e, err := NewEthtool()
if err != nil {
return "", err
}
defer e.Close()
return e.DriverName(intf)
}
// Stats retrieves stats of the given interface name.
func Stats(intf string) (map[string]uint64, error) {
e, err := NewEthtool()
if err != nil {
return nil, err
}
defer e.Close()
return e.Stats(intf)
}
// PermAddr returns permanent address of the given interface name.
func PermAddr(intf string) (string, error) {
e, err := NewEthtool()
if err != nil {
return "", err
}
defer e.Close()
return e.PermAddr(intf)
}

208
vendor/github.com/safchain/ethtool/ethtool_cmd.go generated vendored Normal file
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@@ -0,0 +1,208 @@
/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
// Package ethtool aims to provide a library giving a simple access to the
// Linux SIOCETHTOOL ioctl operations. It can be used to retrieve informations
// from a network device like statistics, driver related informations or
// even the peer of a VETH interface.
package ethtool
import (
"math"
"reflect"
"unsafe"
"golang.org/x/sys/unix"
)
type EthtoolCmd struct { /* ethtool.c: struct ethtool_cmd */
Cmd uint32
Supported uint32
Advertising uint32
Speed uint16
Duplex uint8
Port uint8
Phy_address uint8
Transceiver uint8
Autoneg uint8
Mdio_support uint8
Maxtxpkt uint32
Maxrxpkt uint32
Speed_hi uint16
Eth_tp_mdix uint8
Reserved2 uint8
Lp_advertising uint32
Reserved [2]uint32
}
// CmdGet returns the interface settings in the receiver struct
// and returns speed
func (ecmd *EthtoolCmd) CmdGet(intf string) (uint32, error) {
e, err := NewEthtool()
if err != nil {
return 0, err
}
defer e.Close()
return e.CmdGet(ecmd, intf)
}
// CmdSet sets and returns the settings in the receiver struct
// and returns speed
func (ecmd *EthtoolCmd) CmdSet(intf string) (uint32, error) {
e, err := NewEthtool()
if err != nil {
return 0, err
}
defer e.Close()
return e.CmdSet(ecmd, intf)
}
func (f *EthtoolCmd) reflect(retv *map[string]uint64) {
val := reflect.ValueOf(f).Elem()
for i := 0; i < val.NumField(); i++ {
valueField := val.Field(i)
typeField := val.Type().Field(i)
t := valueField.Interface()
//tt := reflect.TypeOf(t)
//fmt.Printf(" t %T %v tt %T %v\n", t, t, tt, tt)
switch t.(type) {
case uint32:
//fmt.Printf(" t is uint32\n")
(*retv)[typeField.Name] = uint64(t.(uint32))
case uint16:
(*retv)[typeField.Name] = uint64(t.(uint16))
case uint8:
(*retv)[typeField.Name] = uint64(t.(uint8))
case int32:
(*retv)[typeField.Name] = uint64(t.(int32))
case int16:
(*retv)[typeField.Name] = uint64(t.(int16))
case int8:
(*retv)[typeField.Name] = uint64(t.(int8))
default:
(*retv)[typeField.Name+"_unknown_type"] = 0
}
//tag := typeField.Tag
//fmt.Printf("Field Name: %s,\t Field Value: %v,\t Tag Value: %s\n",
// typeField.Name, valueField.Interface(), tag.Get("tag_name"))
}
}
// CmdGet returns the interface settings in the receiver struct
// and returns speed
func (e *Ethtool) CmdGet(ecmd *EthtoolCmd, intf string) (uint32, error) {
ecmd.Cmd = ETHTOOL_GSET
var name [IFNAMSIZ]byte
copy(name[:], []byte(intf))
ifr := ifreq{
ifr_name: name,
ifr_data: uintptr(unsafe.Pointer(ecmd)),
}
_, _, ep := unix.Syscall(unix.SYS_IOCTL, uintptr(e.fd),
SIOCETHTOOL, uintptr(unsafe.Pointer(&ifr)))
if ep != 0 {
return 0, ep
}
var speedval uint32 = (uint32(ecmd.Speed_hi) << 16) |
(uint32(ecmd.Speed) & 0xffff)
if speedval == math.MaxUint16 {
speedval = math.MaxUint32
}
return speedval, nil
}
// CmdSet sets and returns the settings in the receiver struct
// and returns speed
func (e *Ethtool) CmdSet(ecmd *EthtoolCmd, intf string) (uint32, error) {
ecmd.Cmd = ETHTOOL_SSET
var name [IFNAMSIZ]byte
copy(name[:], []byte(intf))
ifr := ifreq{
ifr_name: name,
ifr_data: uintptr(unsafe.Pointer(ecmd)),
}
_, _, ep := unix.Syscall(unix.SYS_IOCTL, uintptr(e.fd),
SIOCETHTOOL, uintptr(unsafe.Pointer(&ifr)))
if ep != 0 {
return 0, unix.Errno(ep)
}
var speedval uint32 = (uint32(ecmd.Speed_hi) << 16) |
(uint32(ecmd.Speed) & 0xffff)
if speedval == math.MaxUint16 {
speedval = math.MaxUint32
}
return speedval, nil
}
// CmdGetMapped returns the interface settings in a map
func (e *Ethtool) CmdGetMapped(intf string) (map[string]uint64, error) {
ecmd := EthtoolCmd{
Cmd: ETHTOOL_GSET,
}
var name [IFNAMSIZ]byte
copy(name[:], []byte(intf))
ifr := ifreq{
ifr_name: name,
ifr_data: uintptr(unsafe.Pointer(&ecmd)),
}
_, _, ep := unix.Syscall(unix.SYS_IOCTL, uintptr(e.fd),
SIOCETHTOOL, uintptr(unsafe.Pointer(&ifr)))
if ep != 0 {
return nil, ep
}
var result = make(map[string]uint64)
// ref https://gist.github.com/drewolson/4771479
// Golang Reflection Example
ecmd.reflect(&result)
var speedval uint32 = (uint32(ecmd.Speed_hi) << 16) |
(uint32(ecmd.Speed) & 0xffff)
result["speed"] = uint64(speedval)
return result, nil
}
func CmdGetMapped(intf string) (map[string]uint64, error) {
e, err := NewEthtool()
if err != nil {
return nil, err
}
defer e.Close()
return e.CmdGetMapped(intf)
}

114
vendor/github.com/safchain/ethtool/ethtool_msglvl.go generated vendored Normal file
View File

@@ -0,0 +1,114 @@
/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
// Package ethtool aims to provide a library giving a simple access to the
// Linux SIOCETHTOOL ioctl operations. It can be used to retrieve informations
// from a network device like statistics, driver related informations or
// even the peer of a VETH interface.
package ethtool
import (
"unsafe"
"golang.org/x/sys/unix"
)
type ethtoolValue struct { /* ethtool.c: struct ethtool_value */
cmd uint32
data uint32
}
// MsglvlGet returns the msglvl of the given interface.
func (e *Ethtool) MsglvlGet(intf string) (uint32, error) {
edata := ethtoolValue{
cmd: ETHTOOL_GMSGLVL,
}
var name [IFNAMSIZ]byte
copy(name[:], []byte(intf))
ifr := ifreq{
ifr_name: name,
ifr_data: uintptr(unsafe.Pointer(&edata)),
}
_, _, ep := unix.Syscall(unix.SYS_IOCTL, uintptr(e.fd),
SIOCETHTOOL, uintptr(unsafe.Pointer(&ifr)))
if ep != 0 {
return 0, ep
}
return edata.data, nil
}
// MsglvlSet returns the read-msglvl, post-set-msglvl of the given interface.
func (e *Ethtool) MsglvlSet(intf string, valset uint32) (uint32, uint32, error) {
edata := ethtoolValue{
cmd: ETHTOOL_GMSGLVL,
}
var name [IFNAMSIZ]byte
copy(name[:], []byte(intf))
ifr := ifreq{
ifr_name: name,
ifr_data: uintptr(unsafe.Pointer(&edata)),
}
_, _, ep := unix.Syscall(unix.SYS_IOCTL, uintptr(e.fd),
SIOCETHTOOL, uintptr(unsafe.Pointer(&ifr)))
if ep != 0 {
return 0, 0, ep
}
readval := edata.data
edata.cmd = ETHTOOL_SMSGLVL
edata.data = valset
_, _, ep = unix.Syscall(unix.SYS_IOCTL, uintptr(e.fd),
SIOCETHTOOL, uintptr(unsafe.Pointer(&ifr)))
if ep != 0 {
return 0, 0, ep
}
return readval, edata.data, nil
}
// MsglvlGet returns the msglvl of the given interface.
func MsglvlGet(intf string) (uint32, error) {
e, err := NewEthtool()
if err != nil {
return 0, err
}
defer e.Close()
return e.MsglvlGet(intf)
}
// MsglvlSet returns the read-msglvl, post-set-msglvl of the given interface.
func MsglvlSet(intf string, valset uint32) (uint32, uint32, error) {
e, err := NewEthtool()
if err != nil {
return 0, 0, err
}
defer e.Close()
return e.MsglvlSet(intf, valset)
}