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RoCEv1 does not use the IPv6 stack to resolve the link local DGID since it uses GID address. It forms the DMAC directly from the DGID. The code became confused and also tried to use this bypass for RoCEv2 packets, however RoCEv2 always uses a IP address in the GID and must always use ARP or neighbor discovery to get the DMAC address. Now that rdma_addr_find_l2_eth_by_grh() supports resolving link local address to find destination mac address, lets make use of it. This aligns it to how the rest of the IPv6 stack resolves link local destination IPv6 address. Signed-off-by: Parav Pandit <parav@mellanox.com> Reviewed-by: Eli Cohen <eli@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.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.