> -----Original Message----- > From: Yuanhan Liu [mailto:[email protected]] > Sent: Monday, January 29, 2018 7:00 AM > To: [email protected] > Cc: Stokes, Ian <[email protected]>; Finn Christensen > <[email protected]>; Darrell Ball <[email protected]>; Chandran, Sugesh > <[email protected]>; Simon Horman <[email protected]>; > Yuanhan Liu <[email protected]> > Subject: [PATCH v7 6/6] Documentation: document ovs-dpdk flow offload > > And mark it as experimental.
Commit message should be a bit more detailed than this. Details on what is being added and where. > > Signed-off-by: Yuanhan Liu <[email protected]> > --- > Documentation/howto/dpdk.rst | 17 +++++++++++++++++ > NEWS | 1 + > 2 files changed, 18 insertions(+) > > diff --git a/Documentation/howto/dpdk.rst b/Documentation/howto/dpdk.rst > index 40f9d96..047525c 100644 > --- a/Documentation/howto/dpdk.rst > +++ b/Documentation/howto/dpdk.rst > @@ -727,3 +727,20 @@ devices to bridge ``br0``. Once complete, follow the > below steps: > Check traffic on multiple queues:: > > $ cat /proc/interrupts | grep virtio > + > +.. _dpdk-flow-hardware-offload: > + > +Flow Hardware Offload (Experimental) > +------------------------------------ > + > +The flow hardware offload is disabled by default and can be enabled by:: > + > + $ ovs-vsctl set Open_vSwitch . other_config:hw-offload=true > + > +So far only partial flow offload is implemented. Moreover, it only > +works with PDM drivers have the rte flow action "MARK + RSS" support. > + > +The validated NICs are: > + > +- Mellanox (ConnectX-4, ConnectX-4 Lx, ConnectX-5) > +- Napatech (NT200B01) I think it would be useful to document the flow types protocols that can/can't be offloaded in a table here i.e. udp, tcp, ICMP etc. I don't think these are documented anywhere, I could see users asking what traffic they can offload when getting started. Regards Ian > diff --git a/NEWS b/NEWS > index d7d585b..d0c9f44 100644 > --- a/NEWS > +++ b/NEWS > @@ -54,6 +54,7 @@ v2.9.0 - xx xxx xxxx > * New appctl command 'dpif-netdev/pmd-rxq-rebalance' to rebalance > rxq to > pmd assignments. > * Add rxq utilization of pmd to appctl 'dpif-netdev/pmd-rxq-show'. > + * Add experimental flow hardware offload support > - Userspace datapath: > * Output packet batching support. > - vswitchd: > -- > 2.7.4 _______________________________________________ dev mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-dev
