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[ Upstream commit777a8b32bc] Current code tries to derive VLAN ID and compares it with GID attribute for matching entry. This raw search fails on macvlan netdevice as its not a VLAN device, but its an upper device of a VLAN netdevice. Due to this limitation, incoming QP1 packets fail to match in the GID table. Such packets are dropped. Hence, to support it, use the existing rdma_read_gid_l2_fields() that takes care of diffferent device types. Fixes:dbf727de74("IB/core: Use GID table in AH creation and dmac resolution") Signed-off-by: Parav Pandit <parav@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Link: https://lore.kernel.org/r/20191002121750.17313-1-leon@kernel.org Signed-off-by: Doug Ledford <dledford@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
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.