On 11/3/18 6:24 PM, Paweł Staszewski wrote:
>> Does your setup have any other device types besides physical ports with
>> VLANs (e.g., any macvlans or bonds)?
>>
>>
> no.
> just
> phy(mlnx)->vlans only config

VLAN and non-VLAN (and a mix) seem to work ok. Patches are here:
   https://github.com/dsahern/linux.git bpf/kernel-tables-wip

I got lazy with the vlan exports; right now it requires 8021q to be
builtin (CONFIG_VLAN_8021Q=y)

You can use the xdp_fwd sample:
  make O=kbuild -C samples/bpf -j 8

Copy samples/bpf/xdp_fwd_kern.o and samples/bpf/xdp_fwd to the server
and run:
   ./xdp_fwd <list of NIC ports>

e.g., in my testing I run:
   xdp_fwd eth1 eth2 eth3 eth4

All of the relevant forwarding ports need to be on the same command
line. This version populates a second map to verify the egress port has
XDP enabled.


> 
> And today again after allpy patch for page allocator - reached again
> 64/64 Gbit/s
> 
> with only 50-60% cpu load

you should see the cpu load drop considerably.

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