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ethernet: refactor VLAN API

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This commit is contained in:
Patricio Whittingslow
2026-02-18 16:58:52 -03:00
parent bf2d07d9f0
commit 1a07928ca8
3 changed files with 7 additions and 26 deletions
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internal/ltesto/ltesto.go
+5 -6
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@@ -45,7 +45,7 @@ func (gen *PacketGen) AppendRandomIPv4TCPPacket(dst []byte, rng *rand.Rand, seg
}
ri := rng.Int()
var (
isVLAN = ri&(1<<0) != 0
isVLAN = gen.EnableVLAN && ri&(1<<0) != 0
hasIPOpt = ri&(1<<1) != 0
hasTCPOpt = ri&(1<<2) != 0
)
@@ -55,8 +55,7 @@ func (gen *PacketGen) AppendRandomIPv4TCPPacket(dst []byte, rng *rand.Rand, seg
ipOpts = []byte{1, 2, 3, 4}
}
ethsize := 14
if gen.EnableVLAN && isVLAN {
etherType = ethernet.TypeVLAN
if isVLAN {
ethsize = 18
}
var tcpOpts []byte
@@ -75,10 +74,10 @@ func (gen *PacketGen) AppendRandomIPv4TCPPacket(dst []byte, rng *rand.Rand, seg
*efrm.DestinationHardwareAddr() = gen.DstMAC
*efrm.SourceHardwareAddr() = gen.SrcMAC
efrm.SetEtherType(etherType)
if isVLAN {
efrm.SetVLANEtherType(ethernet.TypeIPv4)
efrm.SetVLANTag(1 << 4)
efrm.SetVLAN(1<<4, ethernet.TypeIPv4)
} else {
efrm.SetEtherType(etherType)
}
ethernetPayload := efrm.Payload()
ifrm, err := ipv4.NewFrame(ethernetPayload)