dccp ccid-3: Preventing Oscillations

[pandora-kernel.git] / net / dccp / ccids / ccid3.h

diff --git a/net/dccp/ccids/ccid3.h b/net/dccp/ccids/ccid3.h
index 342235c..af6e1bf 100644 (file)
--- a/net/dccp/ccids/ccid3.h
+++ b/net/dccp/ccids/ccid3.h
@@ -47,8 +47,8 @@
 /* Two seconds as per RFC 3448 4.2 */
 #define TFRC_INITIAL_TIMEOUT      (2 * USEC_PER_SEC)
 
-/* Parameter t_mbi from [RFC 3448, 4.3]: backoff interval in seconds */
-#define TFRC_T_MBI                64
+/* Maximum backoff interval t_mbi (RFC 3448, 4.3) */
+#define TFRC_T_MBI                (64 * USEC_PER_SEC)
 
 /*
  * The t_delta parameter (RFC 3448, 4.6): delays of less than %USEC_PER_MSEC are
@@ -76,6 +76,7 @@ enum ccid3_options {
  * @x_recv - Receive rate    in 64 * bytes per second
  * @x_calc - Calculated rate in bytes per second
  * @rtt - Estimate of current round trip time in usecs
+ * @r_sqmean - Estimate of long-term RTT (RFC 3448, 4.5)
  * @p - Current loss event rate (0-1) scaled by 1000000
  * @s - Packet size in bytes
  * @t_rto - Nofeedback Timer setting in usecs
@@ -94,6 +95,7 @@ struct ccid3_hc_tx_sock {
        u64                             x_recv;
        u32                             x_calc;
        u32                             rtt;
+       u16                             r_sqmean;
        u32                             p;
        u32                             t_rto;
        u32                             t_ipi;