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-rw-r--r--vendor/github.com/safchain/ethtool/.gitignore27
-rw-r--r--vendor/github.com/safchain/ethtool/.travis.yml1
-rw-r--r--vendor/github.com/safchain/ethtool/LICENSE202
-rw-r--r--vendor/github.com/safchain/ethtool/Makefile4
-rw-r--r--vendor/github.com/safchain/ethtool/README.md60
-rw-r--r--vendor/github.com/safchain/ethtool/ethtool.go541
-rw-r--r--vendor/github.com/safchain/ethtool/ethtool_cmd.go207
-rw-r--r--vendor/github.com/safchain/ethtool/ethtool_msglvl.go113
8 files changed, 1155 insertions, 0 deletions
diff --git a/vendor/github.com/safchain/ethtool/.gitignore b/vendor/github.com/safchain/ethtool/.gitignore
new file mode 100644
index 000000000..db6cadffd
--- /dev/null
+++ b/vendor/github.com/safchain/ethtool/.gitignore
@@ -0,0 +1,27 @@
+# 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
diff --git a/vendor/github.com/safchain/ethtool/.travis.yml b/vendor/github.com/safchain/ethtool/.travis.yml
new file mode 100644
index 000000000..4f2ee4d97
--- /dev/null
+++ b/vendor/github.com/safchain/ethtool/.travis.yml
@@ -0,0 +1 @@
+language: go
diff --git a/vendor/github.com/safchain/ethtool/LICENSE b/vendor/github.com/safchain/ethtool/LICENSE
new file mode 100644
index 000000000..8f71f43fe
--- /dev/null
+++ b/vendor/github.com/safchain/ethtool/LICENSE
@@ -0,0 +1,202 @@
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+ 1. Definitions.
+
+ "License" shall mean the terms and conditions for use, reproduction,
+ and distribution as defined by Sections 1 through 9 of this document.
+
+ "Licensor" shall mean the copyright owner or entity authorized by
+ the copyright owner that is granting the License.
+
+ "Legal Entity" shall mean the union of the acting entity and all
+ other entities that control, are controlled by, or are under common
+ control with that entity. For the purposes of this definition,
+ "control" means (i) the power, direct or indirect, to cause the
+ direction or management of such entity, whether by contract or
+ otherwise, or (ii) ownership of fifty percent (50%) or more of the
+ outstanding shares, or (iii) beneficial ownership of such entity.
+
+ "You" (or "Your") shall mean an individual or Legal Entity
+ exercising permissions granted by this License.
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+ "Source" form shall mean the preferred form for making modifications,
+ including but not limited to software source code, documentation
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+ "Object" form shall mean any form resulting from mechanical
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+
+ "Work" shall mean the work of authorship, whether in Source or
+ Object form, made available under the License, as indicated by a
+ copyright notice that is included in or attached to the work
+ (an example is provided in the Appendix below).
+
+ "Derivative Works" shall mean any work, whether in Source or Object
+ form, that is based on (or derived from) the Work and for which the
+ editorial revisions, annotations, elaborations, or other modifications
+ represent, as a whole, an original work of authorship. For the purposes
+ of this License, Derivative Works shall not include works that remain
+ separable from, or merely link (or bind by name) to the interfaces of,
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+ "Contribution" shall mean any work of authorship, including
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+ to that Work or Derivative Works thereof, that is intentionally
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+ communication on electronic mailing lists, source code control systems,
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+ Licensor for the purpose of discussing and improving the Work, but
+ excluding communication that is conspicuously marked or otherwise
+ designated in writing by the copyright owner as "Not a Contribution."
+
+ "Contributor" shall mean Licensor and any individual or Legal Entity
+ on behalf of whom a Contribution has been received by Licensor and
+ subsequently incorporated within the Work.
+
+ 2. Grant of Copyright License. Subject to the terms and conditions of
+ this License, each Contributor hereby grants to You a perpetual,
+ worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+ copyright license to reproduce, prepare Derivative Works of,
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+ Work and such Derivative Works in Source or Object form.
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+ 3. Grant of Patent License. Subject to the terms and conditions of
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+ worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+ (except as stated in this section) patent license to make, have made,
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+ meet the following conditions:
+
+ (a) You must give any other recipients of the Work or
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+ (b) You must cause any modified files to carry prominent notices
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+
+ (c) You must retain, in the Source form of any Derivative Works
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+ for use, reproduction, or distribution of Your modifications, or
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+
+ 5. Submission of Contributions. Unless You explicitly state otherwise,
+ any Contribution intentionally submitted for inclusion in the Work
+ by You to the Licensor shall be under the terms and conditions of
+ this License, without any additional terms or conditions.
+ Notwithstanding the above, nothing herein shall supersede or modify
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+
+ 6. Trademarks. This License does not grant permission to use the trade
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+
+ 7. Disclaimer of Warranty. Unless required by applicable law or
+ agreed to in writing, Licensor provides the Work (and each
+ Contributor provides its Contributions) on an "AS IS" BASIS,
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+ PARTICULAR PURPOSE. You are solely responsible for determining the
+ appropriateness of using or redistributing the Work and assume any
+ risks associated with Your exercise of permissions under this License.
+
+ 8. Limitation of Liability. In no event and under no legal theory,
+ whether in tort (including negligence), contract, or otherwise,
+ unless required by applicable law (such as deliberate and grossly
+ negligent acts) or agreed to in writing, shall any Contributor be
+ liable to You for damages, including any direct, indirect, special,
+ incidental, or consequential damages of any character arising as a
+ result of this License or out of the use or inability to use the
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+ 9. Accepting Warranty or Additional Liability. While redistributing
+ the Work or Derivative Works thereof, You may choose to offer,
+ and charge a fee for, acceptance of support, warranty, indemnity,
+ or other liability obligations and/or rights consistent with this
+ License. However, in accepting such obligations, You may act only
+ on Your own behalf and on Your sole responsibility, not on behalf
+ of any other Contributor, and only if You agree to indemnify,
+ defend, and hold each Contributor harmless for any liability
+ incurred by, or claims asserted against, such Contributor by reason
+ of your accepting any such warranty or additional liability.
+
+ END OF TERMS AND CONDITIONS
+
+ APPENDIX: How to apply the Apache License to your work.
+
+ To apply the Apache License to your work, attach the following
+ boilerplate notice, with the fields enclosed by brackets "{}"
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+ Copyright {yyyy} {name of copyright owner}
+
+ 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.
+
diff --git a/vendor/github.com/safchain/ethtool/Makefile b/vendor/github.com/safchain/ethtool/Makefile
new file mode 100644
index 000000000..67d2da395
--- /dev/null
+++ b/vendor/github.com/safchain/ethtool/Makefile
@@ -0,0 +1,4 @@
+all: build
+
+build:
+ CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build
diff --git a/vendor/github.com/safchain/ethtool/README.md b/vendor/github.com/safchain/ethtool/README.md
new file mode 100644
index 000000000..1f146229c
--- /dev/null
+++ b/vendor/github.com/safchain/ethtool/README.md
@@ -0,0 +1,60 @@
+# 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.
diff --git a/vendor/github.com/safchain/ethtool/ethtool.go b/vendor/github.com/safchain/ethtool/ethtool.go
new file mode 100644
index 000000000..8dcc78c05
--- /dev/null
+++ b/vendor/github.com/safchain/ethtool/ethtool.go
@@ -0,0 +1,541 @@
+/*
+ *
+ * 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"
+ "syscall"
+ "unsafe"
+)
+
+// 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. */
+ /* 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 {
+ 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
+}
+
+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) (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: data,
+ }
+
+ _, _, ep := syscall.Syscall(syscall.SYS_IOCTL, uintptr(e.fd), SIOCETHTOOL, uintptr(unsafe.Pointer(&ifr)))
+ if ep != 0 {
+ 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,
+ }
+
+ 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]
+ 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.Socket(syscall.AF_INET, syscall.SOCK_DGRAM, syscall.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)
+}
diff --git a/vendor/github.com/safchain/ethtool/ethtool_cmd.go b/vendor/github.com/safchain/ethtool/ethtool_cmd.go
new file mode 100644
index 000000000..d0c35e476
--- /dev/null
+++ b/vendor/github.com/safchain/ethtool/ethtool_cmd.go
@@ -0,0 +1,207 @@
+/*
+ *
+ * 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"
+ "syscall"
+ "unsafe"
+)
+
+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 := syscall.Syscall(syscall.SYS_IOCTL, uintptr(e.fd),
+ SIOCETHTOOL, uintptr(unsafe.Pointer(&ifr)))
+ if ep != 0 {
+ return 0, syscall.Errno(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 := syscall.Syscall(syscall.SYS_IOCTL, uintptr(e.fd),
+ SIOCETHTOOL, uintptr(unsafe.Pointer(&ifr)))
+ if ep != 0 {
+ return 0, syscall.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 := 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)
+
+ // 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)
+}
diff --git a/vendor/github.com/safchain/ethtool/ethtool_msglvl.go b/vendor/github.com/safchain/ethtool/ethtool_msglvl.go
new file mode 100644
index 000000000..91836f019
--- /dev/null
+++ b/vendor/github.com/safchain/ethtool/ethtool_msglvl.go
@@ -0,0 +1,113 @@
+/*
+ *
+ * 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 (
+ "syscall"
+ "unsafe"
+)
+
+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 := syscall.Syscall(syscall.SYS_IOCTL, uintptr(e.fd),
+ SIOCETHTOOL, uintptr(unsafe.Pointer(&ifr)))
+ if ep != 0 {
+ return 0, syscall.Errno(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 := syscall.Syscall(syscall.SYS_IOCTL, uintptr(e.fd),
+ SIOCETHTOOL, uintptr(unsafe.Pointer(&ifr)))
+ if ep != 0 {
+ return 0, 0, syscall.Errno(ep)
+ }
+
+ readval := edata.data
+
+ edata.cmd = ETHTOOL_SMSGLVL
+ edata.data = valset
+
+ _, _, ep = syscall.Syscall(syscall.SYS_IOCTL, uintptr(e.fd),
+ SIOCETHTOOL, uintptr(unsafe.Pointer(&ifr)))
+ if ep != 0 {
+ return 0, 0, syscall.Errno(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)
+}