On Thu, Oct 26, 2017 at 2:40 PM, Roman Mashak <m...@mojatatu.com> wrote:
> Userland client should be able to read an event, and reflect it back to
> the kernel, therefore it needs to extract complete set of netlink flags.
>
> For example, this will allow "tc monitor" to distinguish Add and Replace
> qdisc operations.
>
> Signed-off-by: Roman Mashak <m...@mojatatu.com>
> ---
>  net/sched/sch_api.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
> index a9ac912..e3e29be 100644
> --- a/net/sched/sch_api.c
> +++ b/net/sched/sch_api.c
> @@ -859,7 +859,7 @@ static int qdisc_notify(struct net *net, struct sk_buff 
> *oskb,
>         }
>         if (new && !tc_qdisc_dump_ignore(new, false)) {
>                 if (tc_fill_qdisc(skb, new, clid, portid, n->nlmsg_seq,
> -                                 old ? NLM_F_REPLACE : 0, RTM_NEWQDISC) < 0)
> +                                 n->nlmsg_flags, RTM_NEWQDISC) < 0)


Don't you want to change the other tc_fill_qdisc() in the same function
too? ;)

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