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Message-ID: <54FDA37E.5090603@mojatatu.com> Date: Mon, 09 Mar 2015 09:43:26 -0400 From: Jamal Hadi Salim <jhs@...atatu.com> To: Cong Wang <xiyou.wangcong@...il.com>, netdev@...r.kernel.org CC: Cong Wang <cwang@...pensource.com> Subject: Re: [Patch net-next] net_sched: destroy proto tp when all filters are gone On 03/06/15 14:47, Cong Wang wrote: > From: Cong Wang<cwang@...pensource.com> > > Kernel automatically creates a tp for each > (kind, protocol, priority) tuple, which has handle 0, > when we add a new filter, but it still is left there > after we remove our own, unless we don't specify the > handle (literally means all the filters under > the tuple). For example this one is left: > > # tc filter show dev eth0 > filter parent 8001: protocol arp pref 49152 basic > > The user-space is hard to clean up these for kernel > because filters like u32 are organized in a complex way. > So kernel is responsible to remove it after all filters > are gone. Each type of filter has its own way to > store the filters, so each type has to provide its > way to check if all filters are gone. > > Cc: Jamal Hadi Salim<jhs@...atatu.com> > Signed-off-by: Cong Wang<cwang@...pensource.com> > Signed-off-by: Cong Wang<xiyou.wangcong@...il.com> Acked-by: Jamal Hadi Salim<jhs@...atatu.com> cheers, jamal -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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