Hi, > -----Original Message----- > From: Suanming Mou <suanmi...@mellanox.com> > Sent: Monday, June 1, 2020 9:10 AM > To: Slava Ovsiienko <viachesl...@mellanox.com>; Matan Azrad > <ma...@mellanox.com> > Cc: Raslan Darawsheh <rasl...@mellanox.com>; dev@dpdk.org > Subject: [PATCH 0/2] net/mlx5: add reclaim memory mode devarg > > Currently, when flow destroyed, some memory resources may still be kept > as cached to help next time create flow more efficiently. > > Some system may need the resources to be more flexible with flow create > and destroy. After peak time, with millions of flows destroyed, the > system would prefer the resources to be reclaimed completely, no cache > is needed. Then the resources can be allocated and used by other > components. The system is not so sensitive about the flow insertion > rate, but more care about the resources. > > Both DPDK mlx5 PMD driver and the low level component rdma-core have > provided the flow resources to be configured cached or not, but there is > no APIs or parameters exposed to user to configure the flow resources > cache mode. In this case, introduce a new PMD devarg to let user > configure the flow resources cache mode will be helpful. > > This commit is to add a new "reclaim_mem_mode" to help user configure if > the destroyed flows' cache resources should be kept or not. > > Their will be three mode can be chosen: > 1. 0(none). It means the flow resources will be cached as usual. The > resources will be cached, helpful with flow insertion rate. > 2. 1(light). It will only enable the DPDK PMD level resources reclaim. > 3. 2(aggressive). Both DPDK PMD level and rdma-core low level will be > configured as reclaimed mode. > > With these three mode, user can configure the resources cache mode with > different levels. > > Suanming Mou (2): > common/mlx5: add memory reclaim glue function > net/mlx5: add reclaim memory mode devarg > > doc/guides/nics/mlx5.rst | 20 ++++++++++++++++++++ > doc/guides/rel_notes/release_20_08.rst | 6 ++++++ > drivers/common/mlx5/Makefile | 5 +++++ > drivers/common/mlx5/meson.build | 2 ++ > drivers/common/mlx5/mlx5_glue.c | 13 +++++++++++++ > drivers/common/mlx5/mlx5_glue.h | 1 + > drivers/net/mlx5/mlx5.c | 24 +++++++++++++++++++++++- > drivers/net/mlx5/mlx5.h | 13 +++++++++++++ > 8 files changed, 83 insertions(+), 1 deletion(-) > > -- > 1.8.3.1
Series rebased and applied to next-net-mlx, Kindest regards, Raslan Darawsheh
