X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=utcp_priv.h;h=fa706bcf84bcad5eed5e825bf3c7bc671cd51542;hb=d1b2b2dc5997c6818e24bd45b916d8b06c13b892;hp=69f1b0da5347371649da4dbaa92973cfed0617eb;hpb=fb2d3fbb1fe0538ef0f137ed88322f5b3de4707f;p=utcp

diff --git a/utcp_priv.h b/utcp_priv.h
index 69f1b0d..fa706bc 100644
--- a/utcp_priv.h
+++ b/utcp_priv.h
@@ -36,6 +36,14 @@
 #define DEFAULT_RCVBUFSIZE 0
 #define DEFAULT_MAXRCVBUFSIZE 131072
 
+#define DEFAULT_MTU 1000
+
+#define USEC_PER_SEC 1000000
+#define DEFAULT_USER_TIMEOUT 60 // sec
+#define CLOCK_GRANULARITY 1000 // usec
+#define START_RTO 1000000 // usec
+#define MAX_RTO 3000000 // usec
+
 struct hdr {
 	uint16_t src; // Source port
 	uint16_t dst; // Destination port
@@ -89,6 +97,7 @@ struct sack {
 struct utcp_connection {
 	void *priv;
 	struct utcp *utcp;
+	uint32_t flags;
 
 	bool reapable;
 
@@ -125,6 +134,8 @@ struct utcp_connection {
 
 	struct timeval conn_timeout;
 	struct timeval rtrx_timeout;
+	struct timeval rtt_start;
+	uint32_t rtt_seq;
 
 	// Buffers
 
@@ -155,7 +166,13 @@ struct utcp {
 	// Global socket options
 
 	uint16_t mtu;
-	int timeout;
+	int timeout; // sec
+
+	// RTT variables
+
+	uint32_t srtt; // usec
+	uint32_t rttvar; // usec
+	uint32_t rto; // usec
 
 	// Connection management