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cfg80211 has cfg80211_chandef_dfs_usable() function to know whether at least one channel in the chandef is in usable state or not. Also, cfg80211_chandef_dfs_cac_time() function is there which tells the CAC time required for the given chandef. Make these two functions visible to drivers by exporting their symbol to global list of kernel symbols. Lower level drivers can make use of these two functions to be aware if CAC is required on the given chandef and for how long. For example drivers which maintains the CAC state internally can make use of these. Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com> Reviewed-by: Jeff Johnson <quic_jjohnson@quicinc.com> Link: https://lore.kernel.org/r/20230912051857.2284-2-quic_adisi@quicinc.com Signed-off-by: Johannes Berg <johannes.berg@intel.com> |
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