This is a kind reminder to provide some feedback on this topic. Best regards, Georgios
On Tue, Dec 11, 2018 at 4:31 PM Tom Barbette <barbe...@kth.se> wrote: > CC-ing maintainers. > > > ------------------------------ > *De :* Georgios Katsikas <katsikas...@gmail.com> > *Envoyé :* mardi 4 décembre 2018 11:41 > *À :* dev@dpdk.org > *Cc :* Tom Barbette > *Objet :* Flow Director vs. 5-tuple filters on a 10GbE Intel 82599 ES NIC > > Dear all, > > I am performing rule installation/deletion benchmarks on a dual port 10 > GbE Intel 82599 ES NIC using DPDK 18.11. > The benchmark installs increasing number of rules (5 to 8000), measures > the rule installation rate and latency and then deletes the rules > (measuring again the rule deletion rate/latency). > The rule sets comprise of rules with exact matches (no masks involved) as > follows: > > *Simple rule* > flow create 0 ingress pattern eth / ipv4 dst is 129.72.224.94 / end > actions queue index 0 / end > > *More complicated rule* > flow create 0 ingress pattern eth / ipv4 dst is 46.54.254.68 src is > 49.75.141.195 proto is 17 / udp dst is 26561 src is 7242 / end actions > queue index 0 / end > > No matter how simple or complicated the rules are, I am not able to > install more than 128 rules on this NIC. > > *Here comes my question* > > According to the specification > <https://www.intel.com/content/www/us/en/embedded/products/networking/82599-10-gbe-controller-datasheet.html>, > this NIC can accommodate up to 128 5-tuple filters, which very well agrees > with my observation above. > However, the same document states that this NIC can also accommodate up to > 8000 Flow Director filters. > What is the practical difference between a 5-tuple and a Flow Director > rule in this case? How can I exploit these 8k filters using DPDK 18.11? > > Thanks in advance, > Georgios > > > >
