On Fri, Jan 26, 2018 at 03:18:55PM +0100, Adrien Mazarguil wrote: > A problem encountered with Mellanox PMDs and frequently reported by DPDK > application developers and Linux distribution package maintainers is their > dependency on rdma-core components, namely libibverbs, libmlx4, and libmlx5. > > For best performance in applications, DPDK is normally built as a collection > of library archives (.a files), whose external dependencies are inherited > through rte.app.mk during link. > > When these PMDs are built-in, any binary DPDK package, whether DPDK itself > or derived applications, always have to pull rdma-core. This dependency is > not obvious and may be missed during the packaging of any intermediate layer > between DPDK itself and the end application. > > While still required during compilation, this series trades this hard > dependency for an optional one, dynamically loaded at run-time through > dlopen(). > > It supersedes Shachar's previous work on the same topic [1] using a > different approach in order to preserve symbol versioning and address > the remaining issues. > > [1] http://dpdk.org/ml/archives/dev/2017-December/085090.html > > v2 changes: > > - Rebased on dpdk-next-net-mlx. > - Rely on CONFIG_RTE_LIBRTE_MLX[45]_DLOPEN_DEPS instead of > CONFIG_RTE_BUILD_SHARED_LIB to enable this mode, so it can be overridden > if necessary. > - Fixed -lmlx5 -libibverbs leftovers in rte.app.mk. > - Minor fixes for indentation and unnecessary includes in mlx5. > > Adrien Mazarguil (3): > net/mlx4: move rdma-core calls to separate file > net/mlx4: spawn rdma-core dependency plug-in > net/mlx5: spawn rdma-core dependency plug-in > > Nelio Laranjeiro (1): > net/mlx5: move rdma-core calls to separate file > > config/common_base | 2 + > doc/guides/nics/mlx4.rst | 13 ++ > doc/guides/nics/mlx5.rst | 13 ++ > drivers/net/mlx4/Makefile | 42 +++++ > drivers/net/mlx4/mlx4.c | 115 +++++++++++-- > drivers/net/mlx4/mlx4_ethdev.c | 3 +- > drivers/net/mlx4/mlx4_flow.c | 32 ++-- > drivers/net/mlx4/mlx4_glue.c | 275 ++++++++++++++++++++++++++++++ > drivers/net/mlx4/mlx4_glue.h | 80 +++++++++ > drivers/net/mlx4/mlx4_intr.c | 10 +- > drivers/net/mlx4/mlx4_mr.c | 7 +- > drivers/net/mlx4/mlx4_rxq.c | 53 +++--- > drivers/net/mlx4/mlx4_txq.c | 17 +- > drivers/net/mlx5/Makefile | 42 +++++ > drivers/net/mlx5/mlx5.c | 123 +++++++++++--- > drivers/net/mlx5/mlx5_ethdev.c | 7 +- > drivers/net/mlx5/mlx5_flow.c | 92 +++++------ > drivers/net/mlx5/mlx5_glue.c | 321 ++++++++++++++++++++++++++++++++++++ > drivers/net/mlx5/mlx5_glue.h | 99 +++++++++++ > drivers/net/mlx5/mlx5_mr.c | 7 +- > drivers/net/mlx5/mlx5_rxq.c | 54 +++--- > drivers/net/mlx5/mlx5_txq.c | 22 +-- > drivers/net/mlx5/mlx5_vlan.c | 13 +- > mk/rte.app.mk | 8 + > 24 files changed, 1265 insertions(+), 185 deletions(-) > create mode 100644 drivers/net/mlx4/mlx4_glue.c > create mode 100644 drivers/net/mlx4/mlx4_glue.h > create mode 100644 drivers/net/mlx5/mlx5_glue.c > create mode 100644 drivers/net/mlx5/mlx5_glue.h > > -- > 2.11.0
Acked-by: Nelio Laranjeiro <nelio.laranje...@6wind.com> -- Nélio Laranjeiro 6WIND
