diff options
| author | Aditya Kumar Singh <quic_adisi@quicinc.com> | 2023-09-12 10:48:55 +0530 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2023-09-13 13:24:11 +0200 |
| commit | 30ca8b0c4d6c9fb1d76e5894b1e8bf7c6a12224d (patch) | |
| tree | 57dbb16b43551c721c19329cd39b8b253e97f46a /net/wireless/chan.c | |
| parent | b13b6bbfbb627884f18982600f7b5a5200652531 (diff) | |
wifi: cfg80211: export DFS CAC time and usable state helper functions
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>
Diffstat (limited to 'net/wireless/chan.c')
| -rw-r--r-- | net/wireless/chan.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/wireless/chan.c b/net/wireless/chan.c index 842190dfa100..2d21e423abdb 100644 --- a/net/wireless/chan.c +++ b/net/wireless/chan.c @@ -666,6 +666,7 @@ bool cfg80211_chandef_dfs_usable(struct wiphy *wiphy, return (r1 + r2 > 0); } +EXPORT_SYMBOL(cfg80211_chandef_dfs_usable); /* * Checks if center frequency of chan falls with in the bandwidth @@ -965,6 +966,7 @@ cfg80211_chandef_dfs_cac_time(struct wiphy *wiphy, return max(t1, t2); } +EXPORT_SYMBOL(cfg80211_chandef_dfs_cac_time); static bool cfg80211_secondary_chans_ok(struct wiphy *wiphy, u32 center_freq, u32 bandwidth, |