Added MT_PTYPE_PING/PONG support in mactelnetd and added a macping tool. For this udp-checksum code was also added for raw packets.

1 files changed, 7 insertions, 0 deletions

diff --git a/protocol.h b/protocol.h
index b2066ba..3ca641f 100644
--- a/protocol.h
+++ b/protocol.h
@@ -38,6 +38,8 @@ enum mt_ptype {
 	MT_PTYPE_SESSIONSTART,
 	MT_PTYPE_DATA,
 	MT_PTYPE_ACK,
+	MT_PTYPE_PING = 4,
+	MT_PTYPE_PONG,
 	MT_PTYPE_END = 255
 };
 
@@ -114,6 +116,11 @@ extern int add_control_packet(struct mt_packet *packet, enum mt_cptype cptype, v
 extern void parse_packet(unsigned char *data, struct mt_mactelnet_hdr *pkthdr);
 extern int parse_control_packet(unsigned char *data, int data_len, struct mt_mactelnet_control_hdr *cpkthdr);
 
+/* MAC-Ping packets */
+int init_pingpacket(struct mt_packet *packet, unsigned char *srcmac, unsigned char *dstmac);
+int init_pongpacket(struct mt_packet *packet, unsigned char *srcmac, unsigned char *dstmac);
+int add_packetdata(struct mt_packet *packet, unsigned char *data, unsigned short length);
+
 /* MNDP packets */
 extern int mndp_init_packet(struct mt_packet *packet, unsigned char version, unsigned char ttl);
 extern int mndp_add_attribute(struct mt_packet *packet, enum mt_mndp_attrtype attrtype, void *attrdata, unsigned short data_len);