From: Jakub Kicinski <kuba@kernel.org>
To: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: Hangbin Liu <liuhangbin@gmail.com>,
Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>,
Cong Wang <xiyou.wangcong@gmail.com>,
netdev@vger.kernel.org, Jiri Pirko <jiri@resnulli.us>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Paolo Abeni <pabeni@redhat.com>, David Ahern <dsahern@kernel.org>
Subject: Re: [PATCH (repost) net-next] sched: add extack for tfilter_notify
Date: Wed, 9 Nov 2022 18:20:53 -0800 [thread overview]
Message-ID: <20221109182053.05ca08b8@kernel.org> (raw)
In-Reply-To: <CAM0EoMmx6i42WR=7=9B1rz=6gcOxorgyLDGseeEH7EYRPMgnzg@mail.gmail.com>
On Wed, 9 Nov 2022 20:52:37 -0500 Jamal Hadi Salim wrote:
> TCA_XXX are local whereas NLMSGERR_ATTR_MSG global to the
> netlink message.
"Global", but they necessitate complicating the entire protocol
to use directly.
Unless we want to create a separate netlink multicast channel for
just ext acks of a family. That's fine by me, I guess. I'm mostly
objecting to pretending notifications are multi-msg just to reuse
NLMSG_DONE, and forcing all notification listeners to deal with it.
> Does this mean to replicate TCA_NTF_EXT_ACK
> for all objects when needed? (qdiscs, actions, etc).
The more time we spend discussing this the more I'm inclined to say
"this is a typical tracing use case, just use the tracepoint" :(
next prev parent reply other threads:[~2022-11-10 2:21 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-29 3:35 [PATCH (repost) net-next] sched: add extack for tfilter_notify Hangbin Liu
2022-10-01 2:03 ` Jakub Kicinski
2022-10-01 18:39 ` Cong Wang
2022-10-01 20:39 ` Marcelo Ricardo Leitner
2022-10-02 15:27 ` Jamal Hadi Salim
2022-10-26 9:58 ` Hangbin Liu
2022-11-02 1:26 ` Hangbin Liu
2022-11-02 15:33 ` Jamal Hadi Salim
2022-11-02 23:36 ` Jakub Kicinski
2022-11-04 2:39 ` Hangbin Liu
2022-11-08 9:11 ` Hangbin Liu
2022-11-08 18:55 ` Jakub Kicinski
2022-11-09 11:53 ` Hangbin Liu
2022-11-10 1:52 ` Jamal Hadi Salim
2022-11-10 2:20 ` Jakub Kicinski [this message]
2022-11-10 6:29 ` Hangbin Liu
2022-11-10 17:12 ` Jakub Kicinski
2022-11-10 14:27 ` Jamal Hadi Salim
2022-11-10 17:27 ` Jakub Kicinski
2022-11-15 3:07 ` Hangbin Liu
2022-11-15 4:51 ` Jakub Kicinski
2022-11-15 12:42 ` Jamal Hadi Salim
2022-11-15 12:44 ` Hangbin Liu
2022-11-15 13:13 ` Jamal Hadi Salim
2022-11-15 13:57 ` Hangbin Liu
2022-11-15 16:26 ` Jamal Hadi Salim
2022-11-17 8:42 ` Hangbin Liu
2022-11-29 8:07 ` Hangbin Liu
2022-11-29 15:43 ` Jakub Kicinski
2022-11-30 8:44 ` Hangbin Liu
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