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| author | Val <valerie@tailscale.com> | 2023-08-07 23:05:24 +0200 |
|---|---|---|
| committer | Val <valerie@tailscale.com> | 2023-08-07 23:05:24 +0200 |
| commit | 0a6ddae0de54e39240bb4f621fdae34d5917ca6d (patch) | |
| tree | ae90b76336e76f1858adfb1768688f7f5e9f80a4 /wgengine/netstack/netstack.go | |
| parent | 7d18398d7f430b37890845bd7396e6fa4d801ba9 (diff) | |
| download | tailscale-valscale/ptb.tar.xz tailscale-valscale/ptb.zip | |
tmp: introduce wire/user/safe mtuvalscale/ptb
Diffstat (limited to 'wgengine/netstack/netstack.go')
| -rw-r--r-- | wgengine/netstack/netstack.go | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/wgengine/netstack/netstack.go b/wgengine/netstack/netstack.go index 0a27f97f2..f2c7e14e7 100644 --- a/wgengine/netstack/netstack.go +++ b/wgengine/netstack/netstack.go @@ -179,7 +179,7 @@ func Create(logf logger.Logf, tundev *tstun.Wrapper, e wgengine.Engine, mc *magi if tcpipErr != nil { return nil, fmt.Errorf("could not enable TCP SACK: %v", tcpipErr) } - linkEP := channel.New(512, tstun.DefaultMTU(), "") + linkEP := channel.New(512, tstun.TunMTU(), "") if tcpipProblem := ipstack.CreateNIC(nicID, linkEP); tcpipProblem != nil { return nil, fmt.Errorf("could not create netstack NIC: %v", tcpipProblem) } @@ -1044,7 +1044,7 @@ func (ns *Impl) acceptUDP(r *udp.ForwarderRequest) { func (ns *Impl) handleMagicDNSUDP(srcAddr netip.AddrPort, c *gonet.UDPConn) { // In practice, implementations are advised not to exceed 512 bytes // due to fragmenting. Just to be sure, we bump all the way to the MTU. - var maxUDPReqSize = tstun.DefaultMTU() + var maxUDPReqSize = tstun.TunMTU() // Packets are being generated by the local host, so there should be // very, very little latency. 150ms was chosen as something of an upper // bound on resource usage, while hopefully still being long enough for |