docs: net: refresh netdev feature guidance

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Update netdev feature documentation for current locking rules and
feature semantics. Clarify hw_features updates and netdev_update_features()
locking, keep the NETIF_F_NEVER_CHANGE rule with the VLAN challenged
exception, fix the HSR duplication wording, and document netdev->netmem_tx
as a device flag rather than a feature bit.

Split the list of basic feature sets from the "extra" ones like
vlan_features. A bunch of the newer fields weren't documented and
having them all together would be confusing.

Link: https://patch.msgid.link/20260526160151.2793354-7-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Jakub Kicinski 2026-05-26 09:01:47 -07:00

parent 33cd2d395c

commit f7d7d7e2a5

1 changed files with 39 additions and 21 deletions

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Documentation/networking/netdev-features.rst

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