On 16-04-09 01:26 PM, Alexei Starovoitov wrote:
yeah, no stack, no queues in bpf.
Thanks.
If this is _forwarding only_ it maybe useful to look at
Alexey's old code in particular the DMA bits;
he built his own lookup algorithm but sounds like bpf is
a much better fit today.
a link to these old bits?
Dang. Trying to remember exact name (I think it has been gone for at
least 10 years now). I know it is not CONFIG_NET_FASTROUTE although
it could have been that depending on the driver (tulip had some
nice DMA properties - which by todays standards would be considered
primitive ;->).
+Cc Robert and Alexey (Trying to figure out name of driver based
routing code that DMAed from ingress to egress port)
Just to be clear: this rfc is not the only thing we're considering.
In particular huawei guys did a monster effort to improve performance
in this area as well. We'll try to blend all the code together and
pick what's the best.
Sounds very interesting.
cheers,
jamal
