Fix buffer resizing logic in buffer_put_at().

[utcp] / utcp_priv.h

diff --git a/utcp_priv.h b/utcp_priv.h
index 3a119f16cf60a878e327e0b9ebe49efe3aff2f62..143ed60191746d36cc39b39ee5a27f7b8420ba7b 100644 (file)
--- 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
@@ -129,6 +133,8 @@ struct utcp_connection {
 
        struct timeval conn_timeout;
        struct timeval rtrx_timeout;
+       struct timeval rtt_start;
+       uint32_t rtt_seq;
 
        // Buffers
 
@@ -159,7 +165,13 @@ 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