From: Gerrit Renker <gerrit@erg.abdn.ac.uk>
To: dccp@vger.kernel.org
Subject: [PATCH 10/25]: Shorten statement for updating p
Date: Wed, 21 Mar 2007 18:44:54 +0000 [thread overview]
Message-ID: <200703211844.54487@strip-the-willow> (raw)
[CCID 3]: Shorten statement for updating p
This shortens the statement for updating the loss event
rate p when a feedback packet is received.
Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
---
net/dccp/ccids/ccid3.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
--- a/net/dccp/ccids/ccid3.c
+++ b/net/dccp/ccids/ccid3.c
@@ -466,12 +466,9 @@ static void ccid3_hc_tx_packet_recv(stru
hctx->ccid3hctx_x_recv = opt_recv->ccid3or_receive_rate;
hctx->ccid3hctx_x_recv <<= 6;
- /* Update loss event rate */
+ /* Update loss event rate (scaled by 1e6), cf. RFC 4342, 8.5 */
pinv = opt_recv->ccid3or_loss_event_rate;
- if (pinv = ~0U || pinv = 0) /* see RFC 4342, 8.5 */
- hctx->ccid3hctx_p = 0;
- else /* can not exceed 100% */
- hctx->ccid3hctx_p = 1000000 / pinv;
+ hctx->ccid3hctx_p = (pinv = ~0U || pinv = 0)? 0 : scaled_div(1, pinv);
/*
* Calculate new round trip sample as per [RFC 3448, 4.3] by
next reply other threads:[~2007-03-21 18:44 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-21 18:44 Gerrit Renker [this message]
2007-03-26 3:06 ` [PATCH 10/25]: Shorten statement for updating p Ian McDonald
2007-04-02 8:48 ` Gerrit Renker
2007-04-02 8:51 ` Ian McDonald
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