16/07/2021 12:47, Slava Ovsiienko: > > -----Original Message----- > > From: Alexander Kozyrev <akozy...@nvidia.com> > > Sent: Friday, July 16, 2021 11:43 > > To: dev@dpdk.org > > Cc: Raslan Darawsheh <rasl...@nvidia.com>; Matan Azrad > > <ma...@nvidia.com>; Slava Ovsiienko <viachesl...@nvidia.com> > > Subject: [PATCH v2] net/mlx5: do not allow copy to mark via modify field > > > > The Mark action is a two-stage process in the Mellanox driver. > > First, a hardware register is filled with the required value, then this > > value is > > registered in the software resource table. > > > > The MODIFY_FIELD action can instruct a Mellanox NIC to copy some value > > from an arbitrary packet header field into the hardware register, associated > > with the Mark item. But there is no way NIC can modify the software > > resource table as well. > > > > Due to these driver limitations the copying of arbitrary value to the MARK > > can > > not be supported and should be rejected in the MODIFY_FIELD action. > > > Thank you, Alexander > > > Signed-off-by: Alexander Kozyrev <akozy...@nvidia.com> > Acked-by: Viacheslav Ovsiienko <viachesl...@nvidia.com>
Applied, thanks.
