X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=utcp_priv.h;h=fa706bcf84bcad5eed5e825bf3c7bc671cd51542;hb=b2e5de6b537188f77e1889853f6ba919bf35c77c;hp=3a119f16cf60a878e327e0b9ebe49efe3aff2f62;hpb=1c136554d0e3c3fb89106c349e7613869d63ca2c;p=utcp

diff --git a/utcp_priv.h b/utcp_priv.h
index 3a119f1..fa706bc 100644
--- a/utcp_priv.h
+++ b/utcp_priv.h
@@ -38,7 +38,11 @@
 
 #define DEFAULT_MTU 1000
 
-#define DEFAULT_USER_TIMEOUT 60 // s
+#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
@@ -93,6 +97,7 @@ struct sack {
 struct utcp_connection {
 	void *priv;
 	struct utcp *utcp;
+	uint32_t flags;
 
 	bool reapable;
 
@@ -129,6 +134,8 @@ struct utcp_connection {
 
 	struct timeval conn_timeout;
 	struct timeval rtrx_timeout;
+	struct timeval rtt_start;
+	uint32_t rtt_seq;
 
 	// Buffers
 
@@ -159,7 +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