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Add SerializeTo to IPv6Fragment #48

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Merged
mosajjal merged 2 commits into from
Mar 2, 2024
Merged

Add SerializeTo to IPv6Fragment #48

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9ee7b31
Add SerializeTo to IPv6Fragment
Enrico204 Feb 19, 2024
3cc596f
fixed formatting
mosajjal Mar 2, 2024
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17 changes: 17 additions & 0 deletions layers/ip6.go
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Original file line number Diff line number Diff line change
Expand Up @@ -603,6 +603,23 @@ type IPv6Fragment struct {
Identification uint32
}

func (i *IPv6Fragment) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
data, err := b.PrependBytes(8)
if err != nil {
return err
}

data[0] = uint8(i.NextHeader)
data[1] = i.Reserved1
binary.BigEndian.PutUint16(data[2:4], i.FragmentOffset<<3)
data[3] = data[3] | ((i.Reserved2 << 1) & 0x6)
if i.MoreFragments {
data[3] = data[3] | 0x1
}
binary.BigEndian.PutUint32(data[4:8], i.Identification)
return nil
}

// LayerType returns LayerTypeIPv6Fragment.
func (i *IPv6Fragment) LayerType() gopacket.LayerType { return LayerTypeIPv6Fragment }

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