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Re: [PATCH 2/2] iproute2: add support for invisible qdisc dumping

From Jiri Kosina <jikos@kernel.org>
Newsgroups linux.kernel
Subject Re: [PATCH 2/2] iproute2: add support for invisible qdisc dumping
Date 2017-03-08 12:00 +0100
Message-ID <tiHu1-5qM-13@gated-at.bofh.it> (permalink)
References <teS4G-5je-21@gated-at.bofh.it> <tfshP-5m9-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Mon, 27 Feb 2017, Phil Sutter wrote:

> > Support the new TCA_DUMP_INVISIBLE netlink attribute that allows asking 
> > kernel to perform 'full qdisc dump', as for historical reasons some of the 
> > default qdiscs are being hidden by the kernel.
> > 
> > The command syntax is being extended by voluntary 'invisible' argument to
> > 'tc qdisc show'.
> > 
> > Signed-off-by: Jiri Kosina <jkosina@suse.cz>
> > ---
> >  tc/tc_qdisc.c | 25 +++++++++++++++++++++++--
> >  1 file changed, 23 insertions(+), 2 deletions(-)
> 
> Would you mind adding a description of the new keyword to tc man page as
> well?

Seems like tc manpage would need more updates, as it doesn't seem to 
reflect the '[ ingress | clsact ]' possibility either. So I'll send this 
as a followup patch, fixing all these at once.

> > diff --git a/tc/tc_qdisc.c b/tc/tc_qdisc.c
> > index 3a3701c2..29da9269 100644
> > --- a/tc/tc_qdisc.c
> > +++ b/tc/tc_qdisc.c
> > @@ -34,7 +34,7 @@ static int usage(void)
> >  	fprintf(stderr, "       [ stab [ help | STAB_OPTIONS] ]\n");
> >  	fprintf(stderr, "       [ [ QDISC_KIND ] [ help | OPTIONS ] ]\n");
> >  	fprintf(stderr, "\n");
> > -	fprintf(stderr, "       tc qdisc show [ dev STRING ] [ ingress | clsact ]\n");
> > +	fprintf(stderr, "       tc qdisc show [ dev STRING ] [ ingress | clsact | invisible ]\n");
> 
> Doesn't look like these are mutually exclusive. Therefore I would
> suggest fixing the syntax to:
> 
> | +	fprintf(stderr, "       tc qdisc show [ dev STRING ] [ ingress | clsact ] [ invisible ]\n");

Makes sense, will include this in v2.

Thanks,

-- 
Jiri Kosina
SUSE Labs

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Re: [PATCH 2/2] iproute2: add support for invisible qdisc dumping Jiri Kosina <jikos@kernel.org> - 2017-03-08 12:00 +0100

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