Send gratuitous type 2 probe replies.

[tinc] / src / node.h

diff --git a/src/node.h b/src/node.h
index 03bd020..5fe6dfa 100644 (file)
--- a/src/node.h
+++ b/src/node.h
@@ -38,6 +38,7 @@ typedef struct node_status_t {
        unsigned int sptps:1;                   /* 1 if this node supports SPTPS */
        unsigned int udp_confirmed:1;           /* 1 if the address is one that we received UDP traffic on */
        unsigned int send_locally:1;            /* 1 if the next UDP packet should be sent on the local network */
+       unsigned int udppacket:1;               /* 1 if the most recently received packet was UDP */
        unsigned int validkey_in;               /* 1 if we have sent a valid key to him */
        unsigned int unused:22;
 } node_status_t;
@@ -88,6 +89,7 @@ typedef struct node_t {
        uint32_t farfuture;                     /* Packets in a row that have arrived from the far future */
        unsigned char* late;                    /* Bitfield marking late packets */
 
+       struct timeval udp_reply_sent;          /* Last time a (gratuitous) UDP probe reply was sent */
        struct timeval udp_ping_sent;           /* Last time a UDP probe was sent */
        timeout_t udp_ping_timeout;             /* Ping timeout event */