Re: New Qdisc

Linux Advanced Routing and Traffic Control

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Oops!. I see the same file open error when I try to add "bfifo" but
still it works fine.

On Thu, Aug 20, 2015 at 1:19 PM, Danushka Menikkumbura
<danushka.menikkumbura@xxxxxxxxx> wrote:
> And I see the following when I strace.
>
> open("/usr/lib/tc//q_myqd.so", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No
> such file or directory)
>
> On Thu, Aug 20, 2015 at 12:58 PM, Danushka Menikkumbura
> <danushka.menikkumbura@xxxxxxxxx> wrote:
>> Hi,
>>
>> I am trying to write my own qdisc (myqd). Just to start with I just
>> cloned sch_fifo.c and changed its code to have a new id, etc. After
>> rebuilding the kernel code and redeploying, I tried to attach it to
>> eth1 using the following command.
>>
>> sudo tc qdisc add dev eth1 root myqd
>>
>> When I do that I get the following error.
>>
>> RTNETLINK answers: No such file or directory
>>
>> Please let me know whats wrong here. As I understand the new qdisc is
>> not visible to Netlink. How could I resolve it?.
>>
>> Thanks,
>> Danushka
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