Ido Schimmel says: ==================== mlxsw: Add tunnel devlink-trap support This patch set from Amit adds support in mlxsw for tunnel traps and a few additional layer 3 traps that can report drops and exceptions via devlink-trap. These traps allow the user to more quickly diagnose problems relating to tunnel decapsulation errors, such as packet being too short to decapsulate or a packet containing wrong GRE key in its GRE header. Patch set overview: Patches #1-#4 add three additional layer 3 traps. Two of which are mlxsw-specific as they relate to hardware-specific errors. The patches include documentation of each trap and selftests. Patches #5-#8 are preparations. They ensure that the correct ECN bits are set in the outer header during IPinIP encapsulation and that packets with an invalid ECN combination in underlay and overlay are trapped to the kernel and not decapsulated in hardware. Patches #9-#15 add support for two tunnel related traps. Each trap is documented and selftested using both VXLAN and IPinIP tunnels, if applicable. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
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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.
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