netdev - Re: [net-next PATCH 3/4] net: sched: register noqueue qdisc

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Message-ID: <55E2105D.2060602@cogentembedded.com>
Date:	Sat, 29 Aug 2015 23:04:45 +0300
From:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:	Phil Sutter <phil@....cc>, netdev@...r.kernel.org
Cc:	davem@...emloft.net, eric.dumazet@...il.com, brouer@...hat.com,
	geert@...ux-m68k.org
Subject: Re: [net-next PATCH 3/4] net: sched: register noqueue qdisc

Hello.

On 8/27/2015 10:21 PM, Phil Sutter wrote:

> This way users can attach noqueue just like any other qdisc using tc
> without having to mess with tx_queue_len first.
>
> Signed-off-by: Phil Sutter <phil@....cc>
> ---
>   include/net/sch_generic.h |  1 +
>   net/sched/sch_api.c       |  1 +
>   net/sched/sch_generic.c   | 12 +++++++++++-
>   3 files changed, 13 insertions(+), 1 deletion(-)

[...]
> diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
> index f501b74..d5c7c0d 100644
> --- a/net/sched/sch_generic.c
> +++ b/net/sched/sch_generic.c
> @@ -416,9 +416,19 @@ struct Qdisc noop_qdisc = {
>   };
>   EXPORT_SYMBOL(noop_qdisc);
>
> -static struct Qdisc_ops noqueue_qdisc_ops __read_mostly = {
> +static int noqueue_init(struct Qdisc *qdisc, struct nlattr *opt)
> +{
> +	/* register_qdisc() assigns a default of noop_enqueue if unset,
> +	 * but __dev_queue_xmit() treats noqueue only as such
> +	 * if this is NULL - so clear it here. */

    The multi-line comments in the networking code should follow this style:

/* bla
  * bla
  */

[...]

MBR, Sergei

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