I too have a question in regards to this,
Ive been facing the same problem with some code of my own. I am using
a nf netlink socket via libpcap (nflog:{ID}) and experiencing ENOBUFS
during peaks.
I attempted to use
setsockopt(pcap_fileno(p), SOL_NETLINK, NETLINK_NO_ENOBUFS, &(int){1},
sizeof(int));
before
pcap_activate(p);
without success. Suggestions? Cade, did you resolve the problem?
On Mon, Jun 16, 2014 at 11:28 PM, Cade Robinson <cade.robinson@xxxxxxxxx> wrote:
>> Please, have a look at the documentation:
>
>> http://www.netfilter.org/projects/libnetfilter_queue/doxygen/
>
>> It refers to this problem.
>
> Thanks - that gives me more ideas of what to do if my current fix doesn't
> work.
> What I have done is added code to set queue length using
> nfq_set_queue_maxlen.
> This seems to have worked as well so far.
>
> But what I am looking for and can't find is what is the default queue length
> and is there a /proc file that shows the current length?
>
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