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Add support for peakrate and minburst.

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This commit is contained in:
Vishvananda Ishaya Abrams 2017-02-08 10:29:21 -08:00
parent dbc72376c8
commit c19091b1c6
2 changed files with 17 additions and 4 deletions
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9
qdisc.go
View File

@ -187,10 +187,11 @@ func (qdisc *Netem) Type() string {
// Tbf is a classless qdisc that rate limits based on tokens
type Tbf struct {
QdiscAttrs
// TODO: handle 64bit rate properly
Rate uint64
Limit uint32
Buffer uint32
Rate uint64
Limit uint32
Buffer uint32
Peakrate uint64
Minburst uint32
// TODO: handle other settings
}

12
qdisc_linux.go
View File

@ -169,12 +169,19 @@ func qdiscPayload(req *nl.NetlinkRequest, qdisc Qdisc) error {
} else if tbf, ok := qdisc.(*Tbf); ok {
opt := nl.TcTbfQopt{}
opt.Rate.Rate = uint32(tbf.Rate)
opt.Peakrate.Rate = uint32(tbf.Peakrate)
opt.Limit = tbf.Limit
opt.Buffer = tbf.Buffer
nl.NewRtAttrChild(options, nl.TCA_TBF_PARMS, opt.Serialize())
if tbf.Rate >= uint64(1<<32) {
nl.NewRtAttrChild(options, nl.TCA_TBF_RATE64, nl.Uint64Attr(tbf.Rate))
}
if tbf.Peakrate >= uint64(1<<32) {
nl.NewRtAttrChild(options, nl.TCA_TBF_PRATE64, nl.Uint64Attr(tbf.Peakrate))
}
if tbf.Peakrate > 0 {
nl.NewRtAttrChild(options, nl.TCA_TBF_PBURST, nl.Uint32Attr(tbf.Minburst))
}
} else if htb, ok := qdisc.(*Htb); ok {
opt := nl.TcHtbGlob{}
opt.Version = htb.Version
@ -420,10 +427,15 @@ func parseTbfData(qdisc Qdisc, data []syscall.NetlinkRouteAttr) error {
case nl.TCA_TBF_PARMS:
opt := nl.DeserializeTcTbfQopt(datum.Value)
tbf.Rate = uint64(opt.Rate.Rate)
tbf.Peakrate = uint64(opt.Peakrate.Rate)
tbf.Limit = opt.Limit
tbf.Buffer = opt.Buffer
case nl.TCA_TBF_RATE64:
tbf.Rate = native.Uint64(datum.Value[0:8])
case nl.TCA_TBF_PRATE64:
tbf.Peakrate = native.Uint64(datum.Value[0:8])
case nl.TCA_TBF_PBURST:
tbf.Minburst = native.Uint32(datum.Value[0:4])
}
}
return nil