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only run DPLPMTUD if the connection can send packets with the DF bit set (#3879)

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Marten Seemann 2023-06-02 16:54:34 +03:00 • committed by GitHub
parent 0438eada95
commit 614fdb3271
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15 changed files with 67 additions and 26 deletions
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interface.go
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@ -314,8 +314,9 @@ type Config struct {
// every half of MaxIdleTimeout, whichever is smaller).
KeepAlivePeriod time.Duration
// DisablePathMTUDiscovery disables Path MTU Discovery (RFC 8899).
// Packets will then be at most 1252 (IPv4) / 1232 (IPv6) bytes in size.
// Note that if Path MTU discovery is causing issues on your system, please open a new issue
// This allows the sending of QUIC packets that fully utilize the available MTU of the path.
// Path MTU discovery is only available on systems that allow setting of the Don't Fragment (DF) bit.
// If unavailable or disabled, packets will be at most 1252 (IPv4) / 1232 (IPv6) bytes in size.
DisablePathMTUDiscovery bool
// DisableVersionNegotiationPackets disables the sending of Version Negotiation packets.
// This can be useful if version information is exchanged out-of-band.