X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fconnection.h;h=449557623a867f6e6033c02179216a77a8f77584;hb=2b97a7d7cf6ca7f4d84d3df754062a55bdf55305;hp=2b6870e41c60d90260c0f2e561f237268c9fdd89;hpb=86c2990327fdf7ec1197aa73cb2b9a926a734db4;p=tinc

diff --git a/src/connection.h b/src/connection.h
index 2b6870e4..44955762 100644
--- a/src/connection.h
+++ b/src/connection.h
@@ -32,6 +32,7 @@
 #define OPTION_TCPONLY		0x0002
 #define OPTION_PMTU_DISCOVERY	0x0004
 #define OPTION_CLAMP_MSS	0x0008
+#define OPTION_VERSION(x) ((x) >> 24) /* Top 8 bits are for protocol minor version */
 
 typedef struct connection_status_t {
 		unsigned int pinged:1;			/* sent ping */