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Ido Schimmel says: ==================== net: Add route offload indication This patch set adds offload indication to IPv4 and IPv6 routes. So far offload indication was only available for the nexthop via 'RTNH_F_OFFLOAD', which is problematic as a nexthop is usually shared between multiple routes. Based on feedback from Roopa and David on the RFC [1], the indication is split to 'offload' and 'trap'. This is done because not all the routes present in hardware actually offload traffic from the kernel. For example, host routes merely trap packets to the kernel. The two flags are dumped to user space via the 'rtm_flags' field in the ancillary header of the rtnetlink message. In addition, the patch set uses the new flags in order to test the FIB offload API by adding a dummy FIB offload implementation to netdevsim. The new tests are added to a shared library and can be therefore shared between different drivers. Patches #1-#3 add offload indication to IPv4 routes. Patches #4 adds offload indication to IPv6 routes. Patches #5-#6 add support for the offload indication in mlxsw. Patch #7 adds dummy FIB offload implementation in netdevsim. Patches #8-#10 add selftests. v2 (feedback from David Ahern): * Patch #2: Name last argument of fib_dump_info() * Patch #2: Move 'struct fib_rt_info' to include/net/ip_fib.h so that it could later be passed to fib_alias_hw_flags_set() * Patch #3: Make use of 'struct fib_rt_info' in fib_alias_hw_flags_set() * Patch #6: Convert to new fib_alias_hw_flags_set() interface * Patch #7: Convert to new fib_alias_hw_flags_set() interface [1] https://patchwork.ozlabs.org/cover/1170530/ ==================== 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.