On Mon, Jan 18, 2021 at 8:18 AM Alexander Kozyrev wrote: > > Implement a generic modify rte flow API as described in RFC: > http://patches.dpdk.org/patch/85384/ > > This API allows modifying a destination header field with data from > a source header field. Number of bits to use from the source is specified. > Tag, Mark or Metadata can also be used as a source/destination to allow > saving/overwriting an arbitrary header field with a user-specified value. > Alternatively, an immediate value can be provided by a user as a source. > > Outermost/innermost packet fields (and Tag array elements) are > accessible via the level parameter to facilitate the modification > of encapsulated packet header fields. The offset parameter provides > the flexibility to copy/set any part of a packet starting the > specified packet header field. > > Example of RTE_FLOW_ACTION_TYPE_MODIFY_FIELD implementation for MLX5: > https://patchwork.dpdk.org/patch/86736/ > > --- > v1: https://patchwork.dpdk.org/patch/86173/ > Initial design. > v2: https://patchwork.dpdk.org/cover/86369/ > Added testpmd support. > v3: https://patchwork.dpdk.org/cover/86442/ > Made dst_type, src_type and width only mandatory parameters. > v4: https://patchwork.dpdk.org/cover/86488/ > Renamed action to RTE_FLOW_ACTION_TYPE_COPY_FIELD. > v5: https://patchwork.dpdk.org/cover/86705/ > Redesigned as RTE_FLOW_ACTION_TYPE_MODIFY_FIELD. > v6: https://patchwork.dpdk.org/cover/86715/ > Fixed typos in documentation. > v7: https://patchwork.dpdk.org/cover/86718/ > Fixed warnings. > v8: > Added doxygen comments. > > Alexander Kozyrev (2): > ethdev: introduce generic modify rte flow action > app/testpmd: add support for modify field flow action I see Thomas has some comments on one of the patches. Please address that. Otherwise ack for the series. Acked-by: Ajit Khaparde > > app/test-pmd/cmdline_flow.c | 246 +++++++++++++++++++++++++ > doc/guides/prog_guide/rte_flow.rst | 66 +++++++ > doc/guides/rel_notes/release_21_02.rst | 8 + > lib/librte_ethdev/rte_flow.c | 2 + > lib/librte_ethdev/rte_flow.h | 87 ++++++++- > 5 files changed, 408 insertions(+), 1 deletion(-) > > -- > 2.24.1 >