From: Eric Dumazet <>
Date: Sun, 09 Oct 2016 20:25:55 -0700

> From: Eric Dumazet <>
> There are two ways to get tc filters from kernel to user space.
> 1) Full dump (tc_dump_tfilter())
> 2) RTM_GETTFILTER to get one precise filter, reducing overhead.
> The second operation is unfortunately broadcasting its result,
> polluting "tc monitor" users.
> This patch makes sure only the requester gets the result, using
> netlink_unicast() instead of rtnetlink_send()
> Jamal cooked an iproute2 patch to implement "tc filter get" operation,
> but other user space libraries already use RTM_GETTFILTER when a single
> filter is queried, instead of dumping all filters.
> Signed-off-by: Eric Dumazet <>

Applied, thanks Eric.

Want me to queue this up for -stable too?

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