joy/android_packages_modules_Connectivity
Watch
1
Fork
You've already forked android_packages_modules_Connectivity
 0
Code Issues Pull requests Projects Releases Wiki Activity

Merge "Clamp the advertised IPv6 MTU to 1280-1400" into main

Browse source
This commit is contained in:
Treehugger Robot 2025-08-01 14:05:36 -07:00 • committed by Android (Google) Code Review
commit 53eef4fe97
1 changed files with 2 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

3
Tethering/src/android/net/ip/IpServer.java
View file

@ -856,7 +856,8 @@ public class IpServer extends StateMachineShim {
upstreamIfIndex = upstreamIfaceParams.index;
}
params = new RaParams();
params.mtu = v6only.getMtu();
// Clamp v6 MTU to 1280-1400 range.
params.mtu = Math.max(1280, Math.min(1400, v6only.getMtu()));
params.hasDefaultRoute = v6only.hasIpv6DefaultRoute();
if (params.hasDefaultRoute) params.hopLimit = getHopLimit(upstreamIface, ttlAdjustment);