From: Thomas Graf <tgraf@suug.ch>
To: Cong Wang <cwang@twopensource.com>
Cc: Alexei Starovoitov <ast@plumgrid.com>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jamal Hadi Salim <jhs@mojatatu.com>,
John Fastabend <john.r.fastabend@intel.com>,
netdev <netdev@vger.kernel.org>
Subject: Re: [RFC 1/3] tc: fix return values of ingress qdisc
Date: Thu, 23 Apr 2015 09:46:12 +0100 [thread overview]
Message-ID: <20150423084612.GH21799@casper.infradead.org> (raw)
In-Reply-To: <CAHA+R7ODYz4Awh-HuxARktS2vdUa_pEbN_8DZY1Qk4mH7vd=9Q@mail.gmail.com>
On 04/22/15 at 04:29pm, Cong Wang wrote:
> On Wed, Apr 22, 2015 at 3:04 PM, Alexei Starovoitov <ast@plumgrid.com> wrote:
> > On 4/21/15 9:59 PM, Cong Wang wrote:
> >>
> >> On Tue, Apr 21, 2015 at 12:27 PM, Alexei Starovoitov <ast@plumgrid.com>
> >> wrote:
> >>>
> >>> ingress qdisc should return NET_XMIT_* values just like all other qdiscs.
> >>>
> >>
> >> XMIT already means egress...
> >
> >
> > may be then it should be renamed as well.
> > from include/linux/netdevice.h:
> > /* qdisc ->enqueue() return codes. */
> > #define NET_XMIT_SUCCESS 0x00
> > ...
> >
> > the point is that qdisc->enqeue() must return NET_XMIT_* values.
> > ingress qdisc is violating this and therefore should be fixed.
>
> XMIT is non-sense for ingress, you really need to pick another
> name for it if TC_ACT_OK isn't okay for you (it is okay for me).
You transmit into a qdisc. If that terminology doesn't suit
you then rename it to NET_QUEUE_* but moving away from returning
TC_ACT_* is definitely the right thing to do here.
>
next prev parent reply other threads:[~2015-04-23 8:46 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-21 19:27 [RFC 0/3] tc cleanup? Alexei Starovoitov
2015-04-21 19:27 ` [RFC 1/3] tc: fix return values of ingress qdisc Alexei Starovoitov
2015-04-22 4:59 ` Cong Wang
2015-04-22 22:04 ` Alexei Starovoitov
2015-04-22 23:29 ` Cong Wang
2015-04-23 8:46 ` Thomas Graf [this message]
2015-04-21 19:27 ` [RFC 2/3] tc: deprecate TC_ACT_QUEUED Alexei Starovoitov
2015-04-22 5:02 ` Cong Wang
2015-04-22 7:43 ` Daniel Borkmann
2015-04-22 22:22 ` Alexei Starovoitov
2015-04-22 23:39 ` Cong Wang
2015-04-23 2:46 ` Alexei Starovoitov
2015-04-23 7:13 ` Daniel Borkmann
2015-04-23 18:12 ` Cong Wang
2015-04-23 18:21 ` Daniel Borkmann
2015-04-23 18:30 ` Cong Wang
2015-04-23 20:45 ` Jamal Hadi Salim
2015-04-23 21:20 ` Florian Westphal
2015-04-23 22:13 ` Alexei Starovoitov
2015-04-23 22:33 ` Cong Wang
2015-04-23 22:51 ` Jamal Hadi Salim
2015-04-24 0:59 ` Alexei Starovoitov
2015-04-24 3:37 ` Cong Wang
2015-04-24 8:12 ` Daniel Borkmann
2015-04-27 12:31 ` Jamal Hadi Salim
2015-04-21 19:27 ` [RFC 3/3] tc: cleanup tc_classify Alexei Starovoitov
2015-04-22 5:05 ` Cong Wang
2015-04-22 22:27 ` Alexei Starovoitov
2015-04-22 23:38 ` Cong Wang
2015-04-23 8:49 ` Thomas Graf
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