On 10-01-2007 11:01, Patrick McHardy wrote:
> [IPROUTE]: Use tc_calc_xmittime where appropriate
>
> Replace expressions of the form "1000000 * size/rate" by tc_calc_xmittime().
> The CBQ case deserves an extra comment: when called with bnwd=rate
> tc_cbq_calc_maxidle behaves identical to tc_calc_xmittime, so use it
> for clarity.
>
> Signed-off-by: Patrick McHardy <[EMAIL PROTECTED]>
>
> ---
...
> diff --git a/tc/tc_red.c b/tc/tc_red.c
> index 385e7af..8f9bde0 100644
> --- a/tc/tc_red.c
> +++ b/tc/tc_red.c
> @@ -71,7 +71,7 @@ int tc_red_eval_ewma(unsigned qmin, unsi
>
> int tc_red_eval_idle_damping(int Wlog, unsigned avpkt, unsigned bps, __u8
> *sbuf)
> {
> - double xmit_time = tc_core_usec2tick(1000000*(double)avpkt/bps);
> + double xmit_time = tc_calc_xmittime(bps, avpkt);
Return value changed to unsigned here.
(According to iproute2-2.6.19-061214.)
> double lW = -log(1.0 - 1.0/(1<<Wlog))/xmit_time;
> double maxtime = 31/lW;
> int clog;
-
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