On Thu, Aug 8, 2019 at 12:43 PM Toke Høiland-Jørgensen <t...@redhat.com> wrote: > > Alexei Starovoitov <alexei.starovoi...@gmail.com> writes: > > > On Fri, Jul 26, 2019 at 9:06 AM Toke Høiland-Jørgensen <t...@redhat.com> > > wrote: > >> > >> This series adds a new map type, devmap_hash, that works like the existing > >> devmap type, but using a hash-based indexing scheme. This is useful for > >> the use > >> case where a devmap is indexed by ifindex (for instance for use with the > >> routing > >> table lookup helper). For this use case, the regular devmap needs to be > >> sized > >> after the maximum ifindex number, not the number of devices in it. A > >> hash-based > >> indexing scheme makes it possible to size the map after the number of > >> devices it > >> should contain instead. > >> > >> This was previously part of my patch series that also turned the regular > >> bpf_redirect() helper into a map-based one; for this series I just pulled > >> out > >> the patches that introduced the new map type. > >> > >> Changelog: > >> > >> v5: > >> > >> - Dynamically set the number of hash buckets by rounding up max_entries to > >> the > >> nearest power of two (mirroring the regular hashmap), as suggested by > >> Jesper. > > > > fyi I'm waiting for Jesper to review this new version. > > Ping Jesper? :)
Toke, the patch set has been merged to net-next. https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git/commit/?id=d3406913561c322323ec2898cc58f55e79786be7 > > -Toke
