docs: netlink: add NLMSG_DONE message format for doit actions
authorJiri Pirko <jiri@nvidia.com>
Fri, 1 Dec 2023 18:01:54 +0000 (19:01 +0100)
committerJakub Kicinski <kuba@kernel.org>
Mon, 4 Dec 2023 22:42:12 +0000 (14:42 -0800)
commit8ad55b1e73c4e77656e2bea68fa2b484f33a6425
treea08532f2838b502fd3a38b749ea2497d9434d613
parent21f49681658dba6a9d9f0b7945af348600768d78
docs: netlink: add NLMSG_DONE message format for doit actions

In case NLMSG_DONE message is sent as a reply to doit action, multiple
kernel implementation do not send anything else than struct nlmsghdr.
Add this note to the Netlink intro documentation.

Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com>
Link: https://lore.kernel.org/r/20231201180154.864007-1-jiri@resnulli.us
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Documentation/userspace-api/netlink/intro.rst