• Johannes Berg's avatar
    nl80211: add generation number to all dumps · f5ea9120
    Johannes Berg authored
    In order for userspace to be able to figure out whether
    it obtained a consistent snapshot of data or not when
    using netlink dumps, we need to have a generation number
    in each dump message that indicates whether the list has
    changed or not -- its value is arbitrary.
    This patch adds such a number to all dumps, this needs
    some mac80211 involvement to keep track of a generation
    number to start with when adding/removing mesh paths or
    The wiphy and netdev lists can be fully handled within
    cfg80211, of course, but generation numbers need to be
    stored there as well.
    Signed-off-by: default avatarJohannes Berg <johannes@sipsolutions.net>
    Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
core.h 11.5 KB