Awesome, I see better direction right now ;-) On Thu, Jul 6, 2017 at 11:36 AM, Jesper Dangaard Brouer <brouer@xxxxxxxxxx> wrote: > > On Wed, 5 Jul 2017 21:31:32 +0200 Jean-Philippe Menil <jpmenil@xxxxxxxxx> wrote: > >> On 07/05/2017 09:23 PM, Donatas Abraitis wrote: >> > Yeah, but I cannot find anything useful regarding generic XDP which is >> > a new feature. >> > >> > On Wed, Jul 5, 2017 at 10:00 PM, Jean-Philippe Menil <jpmenil@xxxxxxxxx> wrote: >> >> On 07/05/2017 08:36 PM, Donatas Abraitis wrote: >> >>> >> >>> Hi folks! >> >>> >> >>> I see some isolated examples about XDP, but cannot find any good >> >>> tutorial in one place starting from theory to practical examples. Who >> >>> can recommend something as a starting point? >> >>> >> >>> I would like to try Generic XDP or so. >> >>> >> >> >> >> Hi Donatas, >> >> >> >> There is tons of stuff already referenced by Quentin: >> >> https://qmonnet.github.io/whirl-offload/2016/09/01/dive-into-bpf/ >> >> >> >> It's bpf oriented, but there is a lot of links/docs in the "About XDP" >> >> section. >> >> >> >> Hi, >> >> Take a look to the blogspot from Jesper: >> http://prototype-kernel.readthedocs.io/en/latest/blogposts/xdp25_eval_generic_xdp_tx.html > > Thanks for mentioning this document. > > There is a general introduction to XDP here: > https://prototype-kernel.readthedocs.io/en/latest/networking/XDP/introduction.html > > > I'm developing some practical examples to get people started using > XDP and eBPF. I've made an effort to detect common errors and tool > chain setup issues, and give error messages with elaborate hints. > > They are placed in my github repo: > https://github.com/netoptimizer/prototype-kernel > https://github.com/netoptimizer/prototype-kernel/tree/master/kernel/samples/bpf > > The generic XDP feature can be activated with cmdline option > "--skb-mode" in (most of) my examples. > > The blacklist example were used in a tutorial session at NetDevConf 2.1: > http://netdevconf.org/2.1/session.html?gospodarek > Slides: http://netdevconf.org/2.1/slides/apr7/gospodarek-Netdev2.1-XDP-for-the-Rest-of-Us_Final.pdf > Video: https://youtu.be/iBkR4gvjxtE?t=2m1s > > -- > Best regards, > Jesper Dangaard Brouer > MSc.CS, Principal Kernel Engineer at Red Hat > LinkedIn: http://www.linkedin.com/in/brouer -- Donatas
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