cfg80211: Support multiple CSA counters
Change the type of NL80211_ATTR_CSA_C_OFF_BEACON and NL80211_ATTR_CSA_C_OFF_PRESP to be NLA_BINARY which allows userspace to use beacons and probe responses with multiple CSA counters. This isn't breaking the API since userspace can continue to use nla_put_u16 for this attributes, which is equivalent to a single element u16 array. In addition advertise max number of supported CSA counters. This is needed when using CSA and eCSA IEs together. Signed-off-by: NAndrei Otcheretianski <andrei.otcheretianski@intel.com> Signed-off-by: NLuciano Coelho <luciano.coelho@intel.com> Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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