On 10/31/2024 3:51 PM, Stephen Hemminger wrote: > On Thu, 31 Oct 2024 06:58:17 +0200 > Gregory Etelson <getel...@nvidia.com> wrote: > >> Hairpin offloads packet forwarding between ports. >> Packet is expected on Rx port <rp>, Rx queue <rq> and is forwarded >> to Tx port <tp> Tx queue <tq>. >> >> Testpmd implements a static hairpin configuration scheme. >> >> The new parameter allows explicit selection of Rx and Tx ports and >> queues in hairpin configuration. >> The new `hairpin-map` parameter is provided with 5 parameters, >> separated by `:` >> >> `--hairpin-map=Rx port id:Rx queue:Tx port id:Tx queue:queues number` >> >> Testpmd operator can provide several `hairpin-map` parameters for >> different hairpin maps. >> Example: >> >> dpdk-testpmd <EAL params> -- \ >> <testpmd params> \ >> --rxq=2 --txq=2 --hairpinq=2 --hairpin-mode=0x12 \ >> --hairpin-map=0:2:1:2:1 \ # [1] >> --hairpin-map=0:3:2:2:3 # [2] >> >> Hairpin map [1] binds Rx port 0, queue 2 with Tx port 1, queue 2. >> Hairpin map [2] binds >> Rx port 0, queue 3 with Tx port 2, queue 2, >> Rx port 0, queue 4 with Tx port 2, queue 3, >> Rx port 0, queue 5 with Tx port 2, queue 4. >> >> The new `hairpin-map` parameter is optional. >> If omitted, testpmd will create "default" hairpin maps. >> >> Signed-off-by: Gregory Etelson <getel...@nvidia.com> >> Acked-by: Dariusz Sosnowski <dsosnow...@nvidia.com> > > Acked-by: Stephen Hemminger <step...@networkplumber.org> >
Applied to dpdk-next-net/main, thanks.
