On 11/23/2016 1:23 AM, Leon Romanovsky wrote: > Hi Doug, > > Please find below the patchset from Moni. > > -------------------------------------------------------------------------- > Creating a UD address handler (user or kernel) when link layer is Ethernet > requires resolving the remote L3 address (GID) to a L2 address (MAC/VLAN). > > Doing it in kernel is easy with an interface in that the module ib_addr > provides. In userspace such an interface does not exist and kernel help > is required. > > Until now the way to resolve GID (which is the remote IP or a function > of it) to a MAC was with an interface supplied by libnl. The implementation > of this interface is heavy and fails on large load of requests to create an > address handle. > > This series of patches is an infrastructure for user drivers that care > for it to optimize the resolution of L3 to L2 addresses with uverbs > interface. > ------------------------------------------------------------------------ > > The patch #3 was originally posted by Knut Omang and Moni extended it to > support all available drivers along with enhanced commit message. We are > sending the same patch as it exists in our review system, but feel free to > change authorship to Knut if it is matter. > > Thanks > > Available in the "topic/create_ah" topic branch of this git repo: > git://git.kernel.org/pub/scm/linux/kernel/git/leon/linux-rdma.git > Or for browsing: > https://git.kernel.org/cgit/linux/kernel/git/leon/linux-rdma.git/log/?h=topic/create_ah > > Moni Shoua (5): > IB/core: Enhance ib_resolve_eth_dmac to be usable for creating AH > IB/mlx5: Report that device supports user data response in create_ah > IB/core: Let the verb create_ah return extended response to user > IB/mlx5: Use kernel driver to help userspace create address handle > IB/mlx5: Make create/destroy address handle available to userspace > > drivers/infiniband/core/core_priv.h | 3 - > drivers/infiniband/core/uverbs_cmd.c | 19 ++++-- > drivers/infiniband/core/verbs.c | 86 ++++++++++++++-------------- > drivers/infiniband/hw/cxgb3/iwch_provider.c | 3 +- > drivers/infiniband/hw/cxgb4/provider.c | 4 +- > drivers/infiniband/hw/hns/hns_roce_ah.c | 3 +- > drivers/infiniband/hw/hns/hns_roce_device.h | 3 +- > drivers/infiniband/hw/i40iw/i40iw_verbs.c | 4 +- > drivers/infiniband/hw/mlx4/ah.c | 4 +- > drivers/infiniband/hw/mlx4/mlx4_ib.h | 3 +- > drivers/infiniband/hw/mlx5/ah.c | 25 +++++++- > drivers/infiniband/hw/mlx5/main.c | 5 +- > drivers/infiniband/hw/mlx5/mlx5_ib.h | 3 +- > drivers/infiniband/hw/mthca/mthca_provider.c | 4 +- > drivers/infiniband/hw/nes/nes_verbs.c | 3 +- > drivers/infiniband/hw/ocrdma/ocrdma_ah.c | 3 +- > drivers/infiniband/hw/ocrdma/ocrdma_ah.h | 4 +- > drivers/infiniband/hw/qedr/verbs.c | 3 +- > drivers/infiniband/hw/qedr/verbs.h | 3 +- > drivers/infiniband/hw/usnic/usnic_ib_verbs.c | 4 +- > drivers/infiniband/hw/usnic/usnic_ib_verbs.h | 4 +- > drivers/infiniband/sw/rxe/rxe_verbs.c | 4 +- > include/rdma/ib_verbs.h | 6 +- > include/uapi/rdma/mlx5-abi.h | 7 +++ > 24 files changed, 140 insertions(+), 70 deletions(-) > > -- > 2.7.4 > Series applied, thanks. -- Doug Ledford <dledford@xxxxxxxxxx> GPG Key ID: 0E572FDD
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