Hi, > -----Original Message----- > From: Alexander Kozyrev <akozy...@nvidia.com> > Sent: Thursday, January 28, 2021 10:00 AM > To: dev@dpdk.org > Cc: Raslan Darawsheh <rasl...@nvidia.com>; Slava Ovsiienko > <viachesl...@nvidia.com>; Matan Azrad <ma...@nvidia.com>; Ori Kam > <or...@nvidia.com> > Subject: [PATCH v3] net/mlx5: support modify field rte flow action > > Add support for new MODIFY_FIELD action to the Mellanox PMD. > This is the generic API that allows to manipulate any packet > header field by copying data from another packet field or > mark, metadata, tag, or immediate value (or pointer to it). > > Since the API is generic and covers a lot of action under its > umbrella it makes sense to implement all the mechanics gradually > in order to move to this API for any packet field manipulations > in the future. This is the first step of RTE flows consolidation. > > The modify field RTE flow action supports three operations: set, > add and sub. This patch brings to live only the "set" operation. > Support is provided for any packet header field as well as > meta/tag/mark and immediate value can be used as a source. > > There are few limitations for this first version of API support: > - encapsulation levels are not supported, just outermost header > can be manipulated for now. > - offsets can only be 4-bytes aligned: 32, 64 and 96 for IPv6. > - the special ITEM_START ID is not supported as we do not allow > to cross packet header field boundaries yet. > > Signed-off-by: Alexander Kozyrev <akozy...@nvidia.com> > Acked-by: Viacheslav Ovsiienko <viachesl...@nvidia.com> > --- > Depends-on: patch-87216 > v1: https://patchwork.dpdk.org/patch/87390/ > v2: Added documentation, addressed comments. > v3: Corrected header field sizes.
Patch applied to next-net-mlx, Kindest regards, Raslan Darawsheh
