Mon, Nov 14, 2016 at 04:00:30PM CET, j...@resnulli.us wrote: >From: Jiri Pirko <j...@mellanox.com> > >Add the sample tc action, which allows to sample packet matching >a classifier. The sample action peeks randomly packets, duplicates them, >truncates them and adds informative metadata on the packet, for example, >the input interface and the original packet length. The sampled packets >are marked to allow matching them and redirecting them to a specific >collector device. > >The sampled packets metadata is packed using ife encapsulation. To do >that, this patch-set extracts ife logics from the tc_ife action into an >independent ife module, and uses that functionality to pack the metadata. >To include all the needed metadata, this patch-set introduces some new >IFE_META tlv types. > >In addition, Add the support for offloading the macthall-sample tc command >in the Mellanox mlxsw driver, for ingress qdiscs. > >Userspace examples for that code can be found in: > - https://github.com/yotamgi/host-sflow: sflow client that uses the sample > with combination of tap device to sample packets and send to a > centralized sflow collector. > - https://github.com/yotamgi/libife: a library for manipulating ife > packets in userspace. The library is used in the host-sflow program to > parse the sampled packets.
Dave, please drop this patchset for now. We just discovered couple of more changes are needed. Thanks
