netdev - Re: [PATCH iproute2 1/1] tc: distinguish Add/Replace qdisc operations

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Date:   Fri, 27 Oct 2017 09:36:48 +0200
From:   Stephen Hemminger <stephen@...workplumber.org>
To:     Roman Mashak <mrv@...atatu.com>
Cc:     jhs@...atatu.com, netdev@...r.kernel.org
Subject: Re: [PATCH iproute2 1/1] tc: distinguish Add/Replace qdisc
 operations

On Thu, 26 Oct 2017 17:30:08 -0400
Roman Mashak <mrv@...atatu.com> wrote:

> Signed-off-by: Roman Mashak <mrv@...atatu.com>
> ---
>  tc/tc_qdisc.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/tc/tc_qdisc.c b/tc/tc_qdisc.c
> index 1e9d909..493538c 100644
> --- a/tc/tc_qdisc.c
> +++ b/tc/tc_qdisc.c
> @@ -231,6 +231,16 @@ int print_qdisc(const struct sockaddr_nl *who,
>  	if (n->nlmsg_type == RTM_DELQDISC)
>  		fprintf(fp, "deleted ");
>  
> +	if (n->nlmsg_type == RTM_NEWQDISC &&
> +			(n->nlmsg_flags & NLM_F_CREATE) &&
> +			(n->nlmsg_flags & NLM_F_REPLACE))
> +		fprintf(fp, "replaced ");
> +
> +	if (n->nlmsg_type == RTM_NEWQDISC &&
> +			(n->nlmsg_flags & NLM_F_CREATE) &&
> +			(n->nlmsg_flags & NLM_F_EXCL))
> +		fprintf(fp, "added ");
> +
>  	if (show_raw)
>  		fprintf(fp, "qdisc %s %x:[%08x]  ",
>  			rta_getattr_str(tb[TCA_KIND]),

I am not sure about this. We don't do this for monitoring routes or addresses.