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net/packet: don't make IP6Header.marshalPseudo assume UDP

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It will be used for ICMPv6 next, so pass in the proto.

Also, use the ipproto constants rather than hardcoding the mysterious
number.

Change-Id: I57b68bdd2d39fff75f82affe955aff9245de246b
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2021-12-08 21:15:46 -08:00
parent 485bcdc951
commit affc4530a2
2 changed files with 3 additions and 3 deletions
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2
net/packet/udp6.go
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@@ -40,7 +40,7 @@ func (h UDP6Header) Marshal(buf []byte) error {
binary.BigEndian.PutUint16(buf[46:48], 0) // blank checksum
// UDP checksum with IP pseudo header.
h.IP6Header.marshalPseudo(buf)
h.IP6Header.marshalPseudo(buf, ipproto.UDP)
binary.BigEndian.PutUint16(buf[46:48], ip4Checksum(buf[:]))
h.IP6Header.Marshal(buf)