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Introduce rdma_create_user_ah API which allows passing udata to provider driver and additionally which resolves DMAC for RoCE. ib_resolve_eth_dmac() resolves destination mac address for unicast, multicast, link local ipv4 mapped ipv6 and ipv6 destination gid entry. This allows all RoCE provider drivers to avoid duplicating such code. Such change brings consistency where IB core always resolves dmac and pass it to RoCE provider drivers for user and kernel consumers, with this ah_attr->roce.dmac is always an input field for provider drivers. This uniformity avoids exporting ib_resolve_eth_dmac symbol to providers or other modules. Therefore its removed as exported symbol at later in the patch series. Now uverbs and umad both makes use of rdma_create_user_ah API which fixes the issue where umad has invalid DMAC for address. Signed-off-by: Parav Pandit <parav@mellanox.com> Reviewed-by: Daniel Jurgens <danielj@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Doug Ledford <dledford@redhat.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.