[DCCP] ccid3: Fix bug in calculation of first t_nom and first t_ipi
Problem:
diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c
index fb21f2d..d7b688e 100644
--- a/net/dccp/ccids/ccid3.c
+++ b/net/dccp/ccids/ccid3.c
@@ -298,13 +298,14 @@
hctx->ccid3hctx_last_win_count = 0;
hctx->ccid3hctx_t_last_win_count = now;
ccid3_hc_tx_set_state(sk, TFRC_SSTATE_NO_FBACK);
- hctx->ccid3hctx_t_ipi = TFRC_INITIAL_IPI;
- /* Set nominal send time for initial packet */
+ /* First timeout, according to [RFC 3448, 4.2], is 1 second */
+ hctx->ccid3hctx_t_ipi = USEC_PER_SEC;
+ /* Initial delta: minimum of 0.5 sec and t_gran/2 */
+ hctx->ccid3hctx_delta = TFRC_OPSYS_HALF_TIME_GRAN;
+
+ /* Set t_0 for initial packet */
hctx->ccid3hctx_t_nom = now;
- timeval_add_usecs(&hctx->ccid3hctx_t_nom,
- hctx->ccid3hctx_t_ipi);
- ccid3_calc_new_delta(hctx);
rc = 0;
break;
case TFRC_SSTATE_NO_FBACK: