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b=dw2QTUrj12eh44731m11F1DlOZOwTy9E/2NRNnKh4EtgG/CKYEgqRQuRrWHgp8o1R bTfSmNzbUcF6tT9b2iylpt4i7Hlxy0LAuHWjFQcOrtK4KCEAiRb9dCU7V2D1HbT1Xg HECPTP2uKQ8OpWGVciFcewmU8dJnAn3CzrDyImbgMmm1g+daoMN4RuxhGC5F7XkfWu kJyDsMEHa5VzSoangZ0uuSEi70kv9sSpsKKlBGr0sp0NcdE6x/rulUQ8tQH5ACf29b S3MXnu6Eucb7Zkx1Rjo0eUKaWunzkDOaq411f7WBNSPUxDSOnAsVRa4UcuCK1wrtjk 5Njhxk6o9eaRw== Subject: Re: [dpdk-dev] [PATCH v2] net/mlx5: support Flow Tag and Packet Header miniCQEs X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Hi, > -----Original Message----- > From: Alexander Kozyrev > Sent: Sunday, November 1, 2020 6:15 PM > To: dev@dpdk.org > Cc: Raslan Darawsheh ; Slava Ovsiienko > ; Matan Azrad > Subject: [PATCH v2] net/mlx5: support Flow Tag and Packet Header miniCQEs >=20 > CQE compression allows us to save the PCI bandwidth and improve > the performance by compressing several CQEs together to a miniCQE. > But the miniCQE size is only 8 bytes and this limits the ability > to successfully keep the compression session in case of various > traffic patterns. >=20 > The current miniCQE format only keeps the compression session alive > in case of uniform traffic with the Hash RSS as the only difference. > There are requests to keep the compression session in case of tagged > traffic by RTE Flow Mark Id and mixed UDP/TCP and IPv4/IPv6 traffic. > Add 2 new miniCQE formats in order to achieve the best performance > for these traffic patterns: Flow Tag and Packet Header miniCQEs. >=20 > The existing rxq_cqe_comp_en devarg is modified to specify the > desired miniCQE format. Specifying 2 selects Flow Tag format > for better compression rate in case of RTE Flow Mark traffic. > Specifying 3 selects Checksum format (existing format for MPRQ). > Specifying 4 selects L3/L4 Header format for better compression > rate in case of mixed TCP/UDP and IPv4/IPv6 traffic. >=20 > Signed-off-by: Alexander Kozyrev > --- > v1: > https://nam11.safelinks.protection.outlook.com/?url=3Dhttps%3A%2F%2Fpatc > hwork.dpdk.org%2Fpatch%2F82500%2F&data=3D04%7C01%7Crasland%40 > nvidia.com%7C396c0aafa96b4d3bd57808d87e813f93%7C43083d15727340c1b7 > db39efd9ccc17a%7C0%7C0%7C637398440875666226%7CUnknown%7CTWFpb > GZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI > 6Mn0%3D%7C1000&sdata=3DDuD7YpUNTqLAqTrcRVaGSm%2F4F6gtWK1I > q8Zh6lcvwtA%3D&reserved=3D0 > added ARM and PowerPC support, reworked x86 code > --- > doc/guides/nics/mlx5.rst | 8 + > doc/guides/rel_notes/release_20_11.rst | 2 + > drivers/common/mlx5/mlx5_devx_cmds.c | 7 +- > drivers/common/mlx5/mlx5_devx_cmds.h | 1 + > drivers/common/mlx5/mlx5_prm.h | 27 ++- > drivers/net/mlx5/mlx5.c | 7 + > drivers/net/mlx5/mlx5.h | 1 + > drivers/net/mlx5/mlx5_devx.c | 44 +++-- > drivers/net/mlx5/mlx5_rxtx.c | 151 +++++++++------ > drivers/net/mlx5/mlx5_rxtx.h | 2 + > drivers/net/mlx5/mlx5_rxtx_vec_altivec.h | 223 > ++++++++++++++++++++++- > drivers/net/mlx5/mlx5_rxtx_vec_neon.h | 141 +++++++++++++- > drivers/net/mlx5/mlx5_rxtx_vec_sse.h | 167 ++++++++++++++--- > 13 files changed, 675 insertions(+), 106 deletions(-) >=20 Patch applied to next-net-mlx, Kindest regards, Raslan Darawsheh