macvlan: no longer rely on RTNL in macvlan_fill_info()

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Add READ_ONCE()/WRITE_ONCE() annotations on vlan->mode, vlan->flags,
vlan->bc_queue_len_req and port->bc_cutoff.

Fill IFLA_MACVLAN_MACADDR_DATA nested attribute and compute
on the fly the precise number of elements we put in it,
to fill an accurate IFLA_MACVLAN_MACADDR_COUNT attribute
as some user space applications could depend on its value
and the attributes order.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20260701082214.2974946-3-edumazet@google.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

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Eric Dumazet 2026-07-01 08:22:14 +00:00 • committed by Paolo Abeni

parent ed37710d6c

commit 6d728e7e28

1 changed files with 48 additions and 23 deletions

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drivers/net/macvlan.c

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