Re: [PATCH v2] ethdev: add Linux ethtool link mode conversion

[Stephen Hemminger <stephen@networkplumber.org>]

On Thu, 29 Feb 2024 16:42:56 +0100
Thomas Monjalon <thomas@monjalon.net> wrote:

> +/* Link modes sorted with index as defined in ethtool.
> + * Values are speed in Mbps with LSB indicating duplex.
> + *
> + * The ethtool bits definition should not change as it is a kernel API.
> + * Using raw numbers directly avoids checking API availability
> + * and allows to compile with new bits included even on an old kernel.
> + *
> + * The array below is built from bit definitions with this shell command:
> + *   sed -rn 's;.*(ETHTOOL_LINK_MODE_)([0-9]+)([0-9a-zA-Z_]*).*= *([0-9]*).*;'\
> + *           '[\4] = \2, /\* \1\2\3 *\/;p' /usr/include/linux/ethtool.h |
> + *   awk '/_Half_/{$3=$3+1","}1'
> + */
> +static uint32_t link_modes[] = {

Make it const please.

You could add meson rule to generate it and then use non-numeric tags.