Add BlockingTCP option, useful when using TCPOnly on slow or congested links.

[tinc] / src / net.h

diff --git a/src/net.h b/src/net.h
index 54663aa..b82ca83 100644 (file)
--- a/src/net.h
+++ b/src/net.h
@@ -28,9 +28,9 @@
 #include "ipv6.h"
 
 #ifdef ENABLE_JUMBOGRAMS
-#define MTU 9014                               /* 9000 bytes payload + 14 bytes ethernet header */
+#define MTU 9018                               /* 9000 bytes payload + 14 bytes ethernet header + 4 bytes VLAN tag */
 #else
-#define MTU 1514                               /* 1500 bytes payload + 14 bytes ethernet header */
+#define MTU 1518                               /* 1500 bytes payload + 14 bytes ethernet header + 4 bytes VLAN tag */
 #endif
 
 #define MAXSIZE (MTU + 4 + EVP_MAX_BLOCK_LENGTH + EVP_MAX_MD_SIZE + MTU/64 + 20)       /* MTU + seqno + padding + HMAC + compressor overhead */
@@ -117,6 +117,7 @@ typedef struct outgoing_t {
 extern int maxtimeout;
 extern int seconds_till_retry;
 extern int addressfamily;
+extern bool blockingtcp;
 
 extern listen_socket_t listen_socket[MAXSOCKETS];
 extern int listen_sockets;