--- deliantra/server/socket/lowlevel.C	2007/06/09 22:54:28	1.44
+++ deliantra/server/socket/lowlevel.C	2007/06/10 04:44:21	1.46
@@ -21,25 +21,13 @@
  * The authors can be reached via e-mail to <crossfire@schmorp.de>
  */
 
-/**
- * \file
- * Low-level socket-related functions.
- *
- * \date 2003-12-02
- *
- * Contains some base functions that both the client and server
- * can use.  As such, depending what we are being compiled for will
- * determine what we can include.  the client is designed have
- * CFCLIENT defined as part of its compile flags.
- */
-
 using namespace std;
 
 #include <global.h>
 #include <sproto.h>
 #include <cstdarg>
 
-#ifdef __linux__
+#if HAVE_TCP_INFO
 # include <sys/types.h>
 # include <sys/socket.h>
 # include <netinet/in.h>
@@ -59,7 +47,7 @@
   if (destroyed ())
     return;
 
-#ifdef __linux__ //TODO: this is available on bsds, too, use a configure test.
+#if HAVE_TCP_INFO
   // check about once per second, spread evenly over all clients
   if (!((pticks + fd) & 7))
     {
@@ -69,6 +57,9 @@
 
       if (!getsockopt (fd, IPPROTO_TCP, TCP_INFO, &tcpi, &len) && len == sizeof (tcpi))
         {
+          if (tcpi.tcpi_snd_mss)
+            mss = tcpi.tcpi_snd_mss;
+
           rtt    = tcpi.tcpi_rtt;
           rttvar = tcpi.tcpi_rttvar;