update ethtool

go.mod

@@ -19,7 +19,7 @@ require (
 	github.com/mattn/go-shellwords v1.0.3
 	github.com/onsi/ginkgo v0.0.0-20151202141238-7f8ab55aaf3b
 	github.com/onsi/gomega v0.0.0-20151007035656-2152b45fa28a
-	github.com/safchain/ethtool v0.0.0-20170622225139-7ff1ba29eca2
+	github.com/safchain/ethtool v0.0.0-20190326074333-42ed695e3de8
 	github.com/sirupsen/logrus v1.0.6 // indirect
 	github.com/vishvananda/netlink v0.0.0-20181108222139-023a6dafdcdf
 	github.com/vishvananda/netns v0.0.0-20180720170159-13995c7128cc // indirect

go.sum

@@ -36,6 +36,8 @@ github.com/onsi/gomega v0.0.0-20151007035656-2152b45fa28a h1:KfNOeFvoAssuZLT7Int
 github.com/onsi/gomega v0.0.0-20151007035656-2152b45fa28a/go.mod h1:C1qb7wdrVGGVU+Z6iS04AVkA3Q65CEZX59MT0QO5uiA=
 github.com/safchain/ethtool v0.0.0-20170622225139-7ff1ba29eca2 h1:f10KcdY8NPt2w0/M2o+O9uCiH8sHpS6OVAHcf4BPL7Y=
 github.com/safchain/ethtool v0.0.0-20170622225139-7ff1ba29eca2/go.mod h1:Z0q5wiBQGYcxhMZ6gUqHn6pYNLypFAvaL3UvgZLR0U4=
+github.com/safchain/ethtool v0.0.0-20190326074333-42ed695e3de8 h1:2c1EFnZHIPCW8qKWgHMH/fX2PkSabFc5mrVzfUNdg5U=
+github.com/safchain/ethtool v0.0.0-20190326074333-42ed695e3de8/go.mod h1:Z0q5wiBQGYcxhMZ6gUqHn6pYNLypFAvaL3UvgZLR0U4=
 github.com/sirupsen/logrus v1.0.6 h1:hcP1GmhGigz/O7h1WVUM5KklBp1JoNS9FggWKdj/j3s=
 github.com/sirupsen/logrus v1.0.6/go.mod h1:pMByvHTf9Beacp5x1UXfOR9xyW/9antXMhjMPG0dEzc=
 github.com/vishvananda/netlink v0.0.0-20181108222139-023a6dafdcdf h1:3J37+NPjNyGW/dbfXtj3yWuF9OEepIdGOXRaJGbORV8=

vendor/github.com/safchain/ethtool/.gitignore

@@ -22,3 +22,6 @@ _testmain.go
 *.exe
 *.test
 *.prof
+
+# Skip compiled example binary file
+/example/example

vendor/github.com/safchain/ethtool/Makefile

@@ -0,0 +1,4 @@
+all: build
+
+build:
+	CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build

vendor/github.com/safchain/ethtool/README.md

@@ -33,6 +33,7 @@ func main() {
 	if err != nil {
 		panic(err.Error())
 	}
+	defer ethHandle.Close()
 
 	// Retrieve tx from eth0
 	stats, err := ethHandle.Stats("eth0")

vendor/github.com/safchain/ethtool/ethtool.go

@@ -27,7 +27,9 @@ package ethtool
 
 import (
 	"bytes"
+	"encoding/hex"
 	"fmt"
+	"strings"
 	"syscall"
 	"unsafe"
 )
@@ -46,6 +48,7 @@ const (
 const (
 	ETH_GSTRING_LEN  = 32
 	ETH_SS_STATS     = 1
+	ETH_SS_FEATURES  = 4
 	ETHTOOL_GDRVINFO = 0x00000003
 	ETHTOOL_GSTRINGS = 0x0000001b
 	ETHTOOL_GSTATS   = 0x0000001d
@@ -54,12 +57,25 @@ const (
 	ETHTOOL_SSET          = 0x00000002 /* Set settings. */
 	ETHTOOL_GMSGLVL       = 0x00000007 /* Get driver message level */
 	ETHTOOL_SMSGLVL       = 0x00000008 /* Set driver msg level. */
+	/* 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       = 1000
+	MAX_FEATURE_BLOCKS = (MAX_GSTRINGS + 32 - 1) / 32
+	EEPROM_LEN         = 640
+	PERMADDR_LEN       = 32
 )
 
 type ifreq struct {
@@ -67,6 +83,38 @@ type ifreq struct {
 	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
@@ -95,11 +143,37 @@ type ethtoolStats struct {
 	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.
+// 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 {
@@ -108,7 +182,7 @@ func (e *Ethtool) DriverName(intf string) (string, error) {
 	return string(bytes.Trim(info.driver[:], "\x00")), nil
 }
 
-// BusInfo returns the bus info of the given interface.
+// 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 {
@@ -117,44 +191,259 @@ func (e *Ethtool) BusInfo(intf string) (string, error) {
 	return string(bytes.Trim(info.bus_info[:], "\x00")), nil
 }
 
-func (e *Ethtool) getDriverInfo(intf string) (ethtoolDrvInfo, error) {
+// ModuleEeprom returns Eeprom information of the given interface name.
-	drvinfo := ethtoolDrvInfo{
+func (e *Ethtool) ModuleEeprom(intf string) ([]byte, error) {
-		cmd: ETHTOOL_GDRVINFO,
+	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) (ethtoolDrvInfo, error) {
+	drvInfo, err := e.getDriverInfo(intf)
+	if err != nil {
+		return ethtoolDrvInfo{}, err
+	}
+
+	return drvInfo, 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: uintptr(unsafe.Pointer(&drvinfo)),
+		ifr_data: data,
 	}
 
 	_, _, ep := syscall.Syscall(syscall.SYS_IOCTL, uintptr(e.fd), SIOCETHTOOL, uintptr(unsafe.Pointer(&ifr)))
 	if ep != 0 {
-		return ethtoolDrvInfo{}, syscall.Errno(ep)
+		return syscall.Errno(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) 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,
 	}
 
-	var name [IFNAMSIZ]byte
+	if err := e.ioctl(intf, uintptr(unsafe.Pointer(&drvinfo))); err != nil {
-	copy(name[:], []byte(intf))
+		return nil, err
-
-	ifr := ifreq{
-		ifr_name: name,
-		ifr_data: uintptr(unsafe.Pointer(&drvinfo)),
-	}
-
-	_, _, ep := syscall.Syscall(syscall.SYS_IOCTL, uintptr(e.fd), SIOCETHTOOL, uintptr(unsafe.Pointer(&ifr)))
-	if ep != 0 {
-		return nil, syscall.Errno(ep)
 	}
 
 	if drvinfo.n_stats*ETH_GSTRING_LEN > MAX_GSTRINGS*ETH_GSTRING_LEN {
@@ -167,11 +456,9 @@ func (e *Ethtool) Stats(intf string) (map[string]uint64, error) {
 		len:        drvinfo.n_stats,
 		data:       [MAX_GSTRINGS * ETH_GSTRING_LEN]byte{},
 	}
-	ifr.ifr_data = uintptr(unsafe.Pointer(&gstrings))
 
-	_, _, ep = syscall.Syscall(syscall.SYS_IOCTL, uintptr(e.fd), SIOCETHTOOL, uintptr(unsafe.Pointer(&ifr)))
+	if err := e.ioctl(intf, uintptr(unsafe.Pointer(&gstrings))); err != nil {
-	if ep != 0 {
+		return nil, err
-		return nil, syscall.Errno(ep)
 	}
 
 	stats := ethtoolStats{
@@ -180,31 +467,32 @@ func (e *Ethtool) Stats(intf string) (map[string]uint64, error) {
 		data:    [MAX_GSTRINGS]uint64{},
 	}
 
-	ifr.ifr_data = uintptr(unsafe.Pointer(&stats))
+	if err := e.ioctl(intf, uintptr(unsafe.Pointer(&stats))); err != nil {
-
+		return nil, err
-	_, _, ep = syscall.Syscall(syscall.SYS_IOCTL, uintptr(e.fd), SIOCETHTOOL, uintptr(unsafe.Pointer(&ifr)))
-	if ep != 0 {
-		return nil, syscall.Errno(ep)
 	}
 
 	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]
-		key := string(bytes.Trim(b, "\x00"))
+		key := string(b[:strings.Index(string(b), "\x00")])
+		if len(key) != 0 {
 			result[key] = stats.data[i]
 		}
+	}
 
 	return result, nil
 }
 
+// Close closes the ethool handler
 func (e *Ethtool) Close() {
 	syscall.Close(e.fd)
 }
 
+// NewEthtool returns a new ethtool handler
 func NewEthtool() (*Ethtool, error) {
-	fd, _, err := syscall.RawSyscall(syscall.SYS_SOCKET, syscall.AF_INET, syscall.SOCK_DGRAM, syscall.IPPROTO_IP)
+	fd, err := syscall.Socket(syscall.AF_INET, syscall.SOCK_DGRAM, syscall.IPPROTO_IP)
-	if err != 0 {
+	if err != nil {
-		return nil, syscall.Errno(err)
+		return nil, err
 	}
 
 	return &Ethtool{
@@ -212,6 +500,7 @@ func NewEthtool() (*Ethtool, error) {
 	}, nil
 }
 
+// BusInfo returns bus information of the given interface name.
 func BusInfo(intf string) (string, error) {
 	e, err := NewEthtool()
 	if err != nil {
@@ -221,6 +510,7 @@ func BusInfo(intf string) (string, error) {
 	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 {
@@ -230,6 +520,7 @@ func DriverName(intf string) (string, error) {
 	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 {
@@ -238,3 +529,13 @@ func Stats(intf string) (map[string]uint64, error) {
 	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)
+}

vendor/github.com/safchain/ethtool/ethtool_cmd.go

@@ -26,6 +26,7 @@
 package ethtool
 
 import (
+	"math"
 	"reflect"
 	"syscall"
 	"unsafe"
@@ -128,6 +129,9 @@ func (e *Ethtool) CmdGet(ecmd *EthtoolCmd, intf string) (uint32, error) {
 
 	var speedval uint32 = (uint32(ecmd.Speed_hi) << 16) |
 		(uint32(ecmd.Speed) & 0xffff)
+	if speedval == math.MaxUint16 {
+		speedval = math.MaxUint32
+	}
 
 	return speedval, nil
 }
@@ -153,6 +157,9 @@ func (e *Ethtool) CmdSet(ecmd *EthtoolCmd, intf string) (uint32, error) {
 
 	var speedval uint32 = (uint32(ecmd.Speed_hi) << 16) |
 		(uint32(ecmd.Speed) & 0xffff)
+	if speedval == math.MaxUint16 {
+		speedval = math.MaxUint32
+	}
 
 	return speedval, nil
 }

vendor/modules.txt

@@ -84,7 +84,7 @@ github.com/onsi/gomega/matchers/support/goraph/bipartitegraph
 github.com/onsi/gomega/matchers/support/goraph/edge
 github.com/onsi/gomega/matchers/support/goraph/node
 github.com/onsi/gomega/matchers/support/goraph/util
-# github.com/safchain/ethtool v0.0.0-20170622225139-7ff1ba29eca2
+# github.com/safchain/ethtool v0.0.0-20190326074333-42ed695e3de8
 github.com/safchain/ethtool
 # github.com/sirupsen/logrus v1.0.6
 github.com/sirupsen/logrus