Commit 91cf5a17 authored by Gerrit Renker's avatar Gerrit Renker Committed by David S. Miller
Browse files

[DCCP] ccid3: Fix calculation of t_ipi time of scheduled transmission

Problem:
parent f5c2d636
......@@ -304,11 +304,19 @@ static int ccid3_hc_tx_send_packet(struct sock *sk,
break;
case TFRC_SSTATE_NO_FBACK:
case TFRC_SSTATE_FBACK:
delay = (timeval_delta(&now, &hctx->ccid3hctx_t_nom) -
hctx->ccid3hctx_delta);
delay /= -1000;
/* divide by -1000 is to convert to ms and get sign right */
rc = delay > 0 ? delay : 0;
delay = timeval_delta(&hctx->ccid3hctx_t_nom, &now);
/*
* Scheduling of packet transmissions [RFC 3448, 4.6]
*
* if (t_now > t_nom - delta)
* // send the packet now
* else
* // send the packet in (t_nom - t_now) milliseconds.
*/
if (delay < hctx->ccid3hctx_delta)
rc = 0;
else
rc = delay/1000L;
break;
case TFRC_SSTATE_TERM:
DCCP_BUG("Illegal %s state TERM, sk=%p", dccp_role(sk), sk);
......
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