Replace CanPMTUD() with ShouldPMTUD() to check if peer path MTU discovery should
be enabled, in preparation for adding support for enabling/disabling peer MTU
dynamically.
Updated #311
Signed-off-by: Val <valerie@tailscale.com>
Add an enable/disable argument to setDontFragment() in preparation for dynamic
enable/disable of peer path MTU discovery. Add getDontFragment() to get the
status of the don't fragment bit from a socket.
Updates #311
Co-authored-by: James Tucker <james@tailscale.com>
Signed-off-by: Val <valerie@tailscale.com>
This sets the Don't Fragment flag, for now behind the
TS_DEBUG_ENABLE_PMTUD envknob.
Updates #311.
Signed-off-by: Val <valerie@tailscale.com>
Signed-off-by: salman <salman@tailscale.com>
Andrew Lytvynov
Val
salman aljammaz