Dear Florian, There are two filters 15:2:2 and 15:2:3 and I have deleted only 15:2:3, so 15:2:2 will still be there and hence this condition "destroy proto tp when all filters are gone" should not be applicable over here.
On Tue, Aug 25, 2015 at 4:52 AM, Florian Westphal <f...@strlen.de> wrote: > Akshat Kakkar <akshat.1...@gmail.com> wrote: > > [ CC Cong ] > >> When I am trying to delete a single tc filter (i.e. specifying its >> handle), it is deleting all the >> filters with the same priority/preference. i.e. it is ignoring the >> handle specified. >> >> But, When I am doing similar activity in hashtable 800: it is deleting only >> the >> specified filter, i.e. it is behaving as expected. >> >> I am unable to comprehend the reason for this difference in behaviour. >> >> Infact, in kernel 2.6.32 all is working as expected. However, in >> kernel 3.1 and 4.1 it is having the behaviour as mentioned above. >> >> For example, following set of commands create a hashtable 15: and add >> 2 filters to it. >> >> tc filter add dev eth0 parent 1:0 prio 5 handle 15: protocol ip u32 divisor >> 256 >> tc filter add dev eth0 protocol ip parent 1: prio 5 handle 15:2:2 u32 >> ht 15:2: match ip src 10.0.0.2 flowid 1:10 >> tc filter add dev eth0 protocol ip parent 1: prio 5 handle 15:2:3 u32 >> ht 15:2: match ip src 10.0.0.3 flowid 1:10 >> >> Now following command DELETES ALL THE FILTERS, though it should only >> delete FILTER 15:2:3 ! >> tc filter del dev eth0 protocol ip parent 1: prio 5 handle 15:2:3 u32 >> >> O/p of tc filter show eth0 is this case is blank. As all filters are deleted. > > Happens since > > 1e052be69d045c8d0f82ff1116fd3e5a79661745 > ("net_sched: destroy proto tp when all filters are gone"). -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html