1 files changed, 11 insertions, 0 deletions

diff --git a/src/vpn/gnunet-vpn-packet.h b/src/vpn/gnunet-vpn-packet.h
index c60d3dc92..51cf4c4e8 100644
--- a/src/vpn/gnunet-vpn-packet.h
+++ b/src/vpn/gnunet-vpn-packet.h
@@ -41,6 +41,8 @@ struct ip_hdr {
         unsigned dadr:32 GNUNET_PACKED;
 };
 
+#define TCP_FLAG_SYN 2
+
 struct tcp_pkt {
         unsigned spt:16 GNUNET_PACKED;
         unsigned dpt:16 GNUNET_PACKED;
@@ -197,6 +199,7 @@ struct ip_udp {
         struct udp_pkt udp_hdr;
         unsigned char data[1];
 };
+
 struct ip_udp_dns {
         struct GNUNET_MessageHeader shdr;
         struct pkt_tun tun;
@@ -204,4 +207,12 @@ struct ip_udp_dns {
         struct udp_dns udp_dns;
 };
 
+struct ip_tcp {
+        struct GNUNET_MessageHeader shdr;
+        struct pkt_tun tun;
+        struct ip_hdr ip_hdr;
+        struct tcp_pkt tcp_hdr;
+        unsigned char data[1];
+};
+
 #endif