+
+ /* Warn if using >=9.21. This is because starting from 9.21, TAP-Win32 seems to use a different, less efficient write path. */
+ if(info[0] == 9 && info[1] >= 21)
+ logger(DEBUG_ALWAYS, LOG_WARNING,
+ "You are using the newer (>= 9.0.0.21, NDIS6) series of TAP-Win32 drivers. "
+ "Using these drivers with tinc is not recommanded as it can result in poor performance. "
+ "You might want to revert back to 9.0.0.9 instead.");
+ }