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Petr Machata 75bab45e6b net: nexthop: Add flag to assert that NHGRP reserved fields are zero 
There are many unpatched kernel versions out there that do not initialize
the reserved fields of struct nexthop_grp. The issue with that is that if
those fields were to be used for some end (i.e. stop being reserved), old
kernels would still keep sending random data through the field, and a new
userspace could not rely on the value.

In this patch, use the existing NHA_OP_FLAGS, which is currently inbound
only, to carry flags back to the userspace. Add a flag to indicate that the
reserved fields in struct nexthop_grp are zeroed before dumping. This is
reliant on the actual fix from commit 6d745cd0e9 ("net: nexthop:
Initialize all fields in dumped nexthops").

Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://patch.msgid.link/21037748d4f9d8ff486151f4c09083bcf12d5df8.1723036486.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-08-12 17:50:34 -07:00
arch
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certs
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Documentation netlink: specs: decode indirection table as u32 array 2024-08-12 14:16:24 +01:00
drivers eth: fbnic: add support for basic qstats 2024-08-12 15:44:23 -07:00
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include net: nexthop: Add flag to assert that NHGRP reserved fields are zero 2024-08-12 17:50:34 -07:00
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net net: nexthop: Add flag to assert that NHGRP reserved fields are zero 2024-08-12 17:50:34 -07:00
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tools selftests: drv-net: rss_ctx: test dumping RSS contexts 2024-08-12 14:16:25 +01:00
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README 

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 reStructuredText 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.