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doc: bootstd: specify CONFIG_BOOTSTD_DEFAULTS provides network features when NET=y

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In the past, we only had one network stack which was called NET. The
network features were enabled for the legacy (and then only) networking
stack since commit 22353fa6b585 ("bootstd: Add some default filesystems
and commands"). Then instead on relying on NET legacy stack for enabling
networking features, the dependencies were (mostly) changed to depend on
CMD_NET in commit a0c739c184ca ("boot: Create a common BOOT_DEFAULTS for
distro and bootstd"). Then a new stack (lwIP) appeared, then CMD_NET was
made available with this new stack in commit 98ad145db61a ("net: lwip:
add DHCP support and dhcp commmand") making the networking features
possible to enable and finally commit f1e978fd54d9 ("boot: Update tests
around network symbols in BOOT_DEFAULTS_CMDS") made it explicit that we
need *a* network stack to enable some networking features.

Align the bootstd documentation with what's actually implemented as
Kconfig dependencies. Note that BOOTSTD_DEFAULTS selects BOOT_DEFAULTS
which selects BOOT_DEFAULTS_CMDS which then selects network features.
The CMDLINE symbol needs to be enabled as well for BOOT_DEFAULTS to
select BOOT_DEFAULTS_CMDS, but I don't think we need to go that far into
explaining what's required to enable some commands.

Reported-by: Simon Glass <sjg@chromium.org>
Closes: https://lore.kernel.org/u-boot/CAFLszTgZC1FGy8965pHiG-u=FhrguftRv41ghQ_Qb_RRXx6tyg@mail.gmail.com/
Signed-off-by: Quentin Schulz <quentin.schulz@cherry.de>
This commit is contained in:
Quentin Schulz 2026-04-28 12:24:21 +02:00 committed by Heinrich Schuchardt
parent 562e41acde
commit ec45cf3dda
1 changed files with 1 additions and 1 deletions
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doc/develop/bootstd/overview.rst
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@ -422,7 +422,7 @@ includes the full set of commands, more error messages when things go wrong and
bootmeth ordering with the bootmeths environment variable.
You should probably also enable `CONFIG_BOOTSTD_DEFAULTS`, which provides
several filesystem and network features (if `CONFIG_NET_LEGACY` is enabled) so that
several filesystem and network features (if `CONFIG_NET` is enabled) so that
a good selection of boot options is available.
Some devicetree properties are supported in the bootstd node when