Make MSS clamping configurable, but enabled by default.

[tinc] / src / net_setup.c

diff --git a/src/net_setup.c b/src/net_setup.c
index 369c8a4..7d20803 100644 (file)
--- a/src/net_setup.c
+++ b/src/net_setup.c
@@ -303,6 +303,12 @@ bool setup_myself(void) {
        if(choice)
                myself->options |= OPTION_PMTU_DISCOVERY;
 
+       choice = true;
+       get_config_bool(lookup_config(config_tree, "ClampMSS"), &choice);
+       get_config_bool(lookup_config(myself->connection->config_tree, "ClampMSS"), &choice);
+       if(choice)
+               myself->options |= OPTION_CLAMP_MSS;
+
        get_config_bool(lookup_config(config_tree, "PriorityInheritance"), &priorityinheritance);
 
 #if !defined(SOL_IP) || !defined(IP_TOS)