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hotfix(pmtud/icmp): set IPv6 dont fragment options just in case

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This commit is contained in:
Quentin McGaw
2026-02-19 16:32:33 +00:00
parent 8d86470905
commit 67b66bba9e
5 changed files with 29 additions and 9 deletions
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internal/pmtud/icmp/ipv4.go
+2 -1
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@@ -25,7 +25,8 @@ func listenICMPv4(ctx context.Context) (conn net.PacketConn, err error) {
listenConfig.Control = func(_, _ string, rawConn syscall.RawConn) error {
var setDFErr error
err := rawConn.Control(func(fd uintptr) {
setDFErr = setDontFragment(fd) // runs when calling ListenPacket
const ipv4 = true
setDFErr = setDontFragment(fd, ipv4) // runs when calling ListenPacket
})
if err == nil {
err = setDFErr