netlink/xdp_linux.go

47 lines
1.1 KiB
Go

package netlink
import (
"bytes"
"fmt"
)
const (
xdrDiagUmemLen = 8 + 8*4
xdrDiagStatsLen = 6 * 8
)
func (x *XDPDiagUmem) deserialize(b []byte) error {
if len(b) < xdrDiagUmemLen {
return fmt.Errorf("XDP umem diagnosis data short read (%d); want %d", len(b), xdrDiagUmemLen)
}
rb := bytes.NewBuffer(b)
x.Size = native.Uint64(rb.Next(8))
x.ID = native.Uint32(rb.Next(4))
x.NumPages = native.Uint32(rb.Next(4))
x.ChunkSize = native.Uint32(rb.Next(4))
x.Headroom = native.Uint32(rb.Next(4))
x.Ifindex = native.Uint32(rb.Next(4))
x.QueueID = native.Uint32(rb.Next(4))
x.Flags = native.Uint32(rb.Next(4))
x.Refs = native.Uint32(rb.Next(4))
return nil
}
func (x *XDPDiagStats) deserialize(b []byte) error {
if len(b) < xdrDiagStatsLen {
return fmt.Errorf("XDP diagnosis statistics short read (%d); want %d", len(b), xdrDiagStatsLen)
}
rb := bytes.NewBuffer(b)
x.RxDropped = native.Uint64(rb.Next(8))
x.RxInvalid = native.Uint64(rb.Next(8))
x.RxFull = native.Uint64(rb.Next(8))
x.FillRingEmpty = native.Uint64(rb.Next(8))
x.TxInvalid = native.Uint64(rb.Next(8))
x.TxRingEmpty = native.Uint64(rb.Next(8))
return nil
}