diff options
Diffstat (limited to 'vendor/github.com/safchain/ethtool/ethtool_cmd.go')
| -rw-r--r-- | vendor/github.com/safchain/ethtool/ethtool_cmd.go | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/vendor/github.com/safchain/ethtool/ethtool_cmd.go b/vendor/github.com/safchain/ethtool/ethtool_cmd.go deleted file mode 100644 index d0c35e476..000000000 --- a/vendor/github.com/safchain/ethtool/ethtool_cmd.go +++ /dev/null @@ -1,207 +0,0 @@ -/* - * - * 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) -} |