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| author | Stephen Hemminger <shemminger@vyatta.com> | 2008-11-25 21:14:06 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-11-25 21:14:06 -0800 |
| commit | c1b56878fb68e9c14070939ea4537ad4db79ffae (patch) | |
| tree | 589f890f81e075380493905509244a0970d942f8 /net/sched | |
| parent | 71bcb09a57894fa35591ce93dd972065eeecb63a (diff) | |
| download | linux-c1b56878fb68e9c14070939ea4537ad4db79ffae.tar.gz linux-c1b56878fb68e9c14070939ea4537ad4db79ffae.tar.bz2 linux-c1b56878fb68e9c14070939ea4537ad4db79ffae.zip | |
tc: policing requires a rate estimator
Found that while trying average rate policing, it was possible to
request average rate policing without a rate estimator. This results
in no policing which is harmless but incorrect.
Since policing could be setup in two steps, need to check
in the kernel.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched')
| -rw-r--r-- | net/sched/act_police.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/net/sched/act_police.c b/net/sched/act_police.c index e19a0261144a..c39f60cea6ee 100644 --- a/net/sched/act_police.c +++ b/net/sched/act_police.c @@ -182,6 +182,12 @@ override: R_tab = qdisc_get_rtab(&parm->rate, tb[TCA_POLICE_RATE]); if (R_tab == NULL) goto failure; + + if (!est && !gen_estimator_active(&police->tcf_rate_est)) { + err = -EINVAL; + goto failure; + } + if (parm->peakrate.rate) { P_tab = qdisc_get_rtab(&parm->peakrate, tb[TCA_POLICE_PEAKRATE]); |