On Wed, Sep 25, 2013 at 2:05 AM, Luigi Rizzo <ri...@iet.unipi.it> wrote:
> On Wed, Sep 25, 2013 at 10:53 AM, hiren panchasara > <hiren.panchas...@gmail.com> wrote: > > > > > > > > On Wed, Sep 25, 2013 at 1:22 AM, Luigi Rizzo <ri...@iet.unipi.it> wrote: > >> > >> On Wed, Sep 25, 2013 at 10:07 AM, hiren panchasara > >> <hiren.panchas...@gmail.com> wrote: > >> > > >> > I am providing line rate traffic (via pkg-gen.c) to my 10gig ix > >> > interface. > >> > > >> > Now on receiving side, is there a way to sub-divide the traffic into > >> > multiple workloads using netmap? > >> > > >> > For example, can I get two 5G flows from 10Gbps traffic? > >> > >> not directly. You'd need to send packets with different addresses that > >> match > >> the way the filters on the NIC (RSS or similar) are programmed. > > > > > > Thanks for quick responses, Liugi. > > > > So, FreeBSD needs PF_RING like thing? Any other way we can do it? > > no, > PF_RING does nothing more than netmap. > Okay. > > the partitioning of traffic into queues is done by the NIC's hardware, > through some filters that i mentioned and are NIC specific. > They are often named RSS (receive side scaling), RFS (receive flow > steering), > Flow Director, and so on. Some NICs compute a hash of various header > fields > and use the result to direct packets to specific queues. Others have > "exact match" filters where you can map certain mac headers to > specific queues, and so on. > Alright. I will investigate more about RSS/RFS for ixgbe. Thanks a bunch, Hiren > > A software demultiplexer that sits on top of a netmap ring > may certainly be useful, but i have not yet designed it. > > > cheers > luigi > _______________________________________________ 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"
