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3de88c9113
Drivers use different fields to report the number of channels, so take the maximum of all data channels (rx, tx, combined) when determining the size of the xsk map. The current code used only 'combined' which was set to 0 in some drivers e.g. mlx4. Tested: compiled and run xdpsock -q 3 -r -S on mlx4 Signed-off-by: Luigi Rizzo <lrizzo@google.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Acked-by: Magnus Karlsson <magnus.karlsson@intel.com> Link: https://lore.kernel.org/bpf/20191119001951.92930-1-lrizzo@google.com
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.