diff options
Diffstat (limited to 'vendor/github.com/safchain/ethtool')
| -rw-r--r-- | vendor/github.com/safchain/ethtool/.gitignore | 27 | ||||
| -rw-r--r-- | vendor/github.com/safchain/ethtool/.travis.yml | 1 | ||||
| -rw-r--r-- | vendor/github.com/safchain/ethtool/LICENSE | 202 | ||||
| -rw-r--r-- | vendor/github.com/safchain/ethtool/Makefile | 4 | ||||
| -rw-r--r-- | vendor/github.com/safchain/ethtool/README.md | 60 | ||||
| -rw-r--r-- | vendor/github.com/safchain/ethtool/ethtool.go | 541 | ||||
| -rw-r--r-- | vendor/github.com/safchain/ethtool/ethtool_cmd.go | 207 | ||||
| -rw-r--r-- | vendor/github.com/safchain/ethtool/ethtool_msglvl.go | 113 |
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. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + 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 # + +[](https://travis-ci.org/safchain/ethtool) +[](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) +} |