I was able to work this around. The problem was in the driver. Now I start working on customizing the driver to use netmap optimized
regards 2014-09-08 9:54 GMT-06:00 David <dajos...@gmail.com>: > Hi > > Sorry for the late response, I'll be using an ARM processor for a 1G link. > > My first issue came when doing what you suggested, and try the "emulated > netmap mode". I need to cross compile the code from my x86, which I think I > did correctly by setting up my arm toolchain and passing the kernel source > when doing the "make". > > Now when I run the pkt-gen example I get : > > [ 57.602575] Unable to handle kernel paging request at virtual address > f143ca04 > [ 57.609740] pgd = 894c4000 > [ 57.612420] [f143ca04] *pgd=00000000 > [ 57.615973] Internal error: Oops: 5 [#1] PREEMPT SMP ARM > > Where I'm stuck since a while ago trying to figure it out. > > regards > > 2014-08-27 16:23 GMT-06:00 Luigi Rizzo <ri...@iet.unipi.it>: > > >> >> >> On Wed, Aug 27, 2014 at 3:18 PM, David <dajos...@gmail.com> wrote: >> >>> Hi, >>> >>> I'm needing to use netmap on a custom driver, I don't understand the >>> content of the functions I need to implement and that are detailed on >>> "PORTING" file. >>> >>> >> sometimes (often, actually) the hw has bottlenecks that make native >> netmap mode almost useless. >> One thing you could try is the "emulated netmap mode" which >> is used by default if the driver has no native support. >> This is in the code on code.google.com/p/netmap/ , >> the branch "next" (which is basically the code now in FreeBSD) >> has some fixes for that specific feature >> >> cheers >> luigi >> >> >> can someone give a hand to understand it better? >>> >>> regards >>> >>> -- >>> David Díaz Barquero >>> >>> Ingeniería en Computadores >>> Tecnológico de Costa Rica >>> _______________________________________________ >>> freebsd-net@freebsd.org mailing list >>> http://lists.freebsd.org/mailman/listinfo/freebsd-net >>> To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org" >> >> >> >> >> -- >> -----------------------------------------+------------------------------- >> Prof. Luigi RIZZO, ri...@iet.unipi.it . Dip. di Ing. dell'Informazione >> http://www.iet.unipi.it/~luigi/ . Universita` di Pisa >> TEL +39-050-2211611 . via Diotisalvi 2 >> Mobile +39-338-6809875 . 56122 PISA (Italy) >> -----------------------------------------+------------------------------- >> > > > > -- > David Díaz Barquero > > Ingeniería en Computadores > Tecnológico de Costa Rica > -- David Díaz Barquero Ingeniería en Computadores Tecnológico de Costa Rica _______________________________________________ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"
