Hi, Le lundi 10 janvier 2011 à 15:36 -0800, Ajay Lele a écrit : > On Mon, Jan 10, 2011 at 2:24 PM, Eric Leblond <eric@xxxxxxxxx> wrote: > > Hello, > > > > Le lundi 10 janvier 2011 à 12:31 -0800, Ajay Lele a écrit : > >> Hi All > >> > >> I am using netfilter_queue library (version 1.0.0, nfnetlink version > >> 1.0.0) to queue certain packets to user-space and it works great > >> > >> Now I want to run 2 instances on this program simultaneously with each > >> program receiving and processing packets received on a different > >> queue. The 1st instance of program runs fine, but call to > >> nfq_unbind_pf()/nfq_bind_pf() for AF_INET fail in the 2nd instance > >> > >> Is it not possible to use netfilter_queue APIs simultaneously in 2 > >> programs when each one of them is listening to a separate queue? Any > >> other approach which can be used to get this to work? - I don't want > >> to merge the processing of packets on the 2 queues into a single > >> program > > > > nfq_bind_pf() call is linking the kernel nf_queue capability with the > > nfnetlink_queue module for a given protocol. This has only to be done > > once on a system (as nfnetlink_queue is the only userspace queuing > > module for now). > > > > Thus your program can simply ignore the return on nfq_[un]bind_pf() > > function. > > Thanks Eric for your quick reply > > I tried ignoring the return from nfq_[un]bind_pf() but > nfq_create_queue() fails with return value NULL. Target machine is > running CentOS 5.3 NFQ initialisation in NuFW is working fine since some years now. You can find it here: https://nufw.edenwall.com/projects/nufw/repository/revisions/master/entry/src/nufw/packetsrv.c#L219 BR, > > Regards > Ajay > > > > > BR, > > > >> > >> Thanks in advance > >> > >> Regards > >> Ajay > >> -- > >> To unsubscribe from this list: send the line "unsubscribe netfilter" in > >> the body of a message to majordomo@xxxxxxxxxxxxxxx > >> More majordomo info at http://vger.kernel.org/majordomo-info.html > > > > -- > > Eric Leblond <eric@xxxxxxxxx> > > > -- > To unsubscribe from this list: send the line "unsubscribe netfilter" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Eric Leblond <eric@xxxxxxxxx>
Attachment:
signature.asc
Description: This is a digitally signed message part
