From: Dmitry Lebed <dlebed@xxxxxxxxxxxxx>
Currently channel switch/start_ap to DFS channel cannot be done to
non-CAC-cleared channel even if DFS offload if enabled.
Make non-cleared DFS channels available if DFS offload is enabled.
CAC will be started by HW after channel change, start_ap call, etc.
Signed-off-by: Dmitry Lebed <dlebed@xxxxxxxxxxxxx>
---
net/wireless/chan.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/net/wireless/chan.c b/net/wireless/chan.c
index a48859982a32..2db713d18f71 100644
--- a/net/wireless/chan.c
+++ b/net/wireless/chan.c
@@ -579,6 +579,10 @@ static bool cfg80211_get_chans_dfs_available(struct wiphy *wiphy,
{
struct ieee80211_channel *c;
u32 freq, start_freq, end_freq;
+ bool dfs_offload;
+
+ dfs_offload = wiphy_ext_feature_isset(wiphy,
+ NL80211_EXT_FEATURE_DFS_OFFLOAD);
start_freq = cfg80211_get_start_freq(center_freq, bandwidth);
end_freq = cfg80211_get_end_freq(center_freq, bandwidth);
@@ -596,8 +600,9 @@ static bool cfg80211_get_chans_dfs_available(struct wiphy *wiphy,
if (c->flags & IEEE80211_CHAN_DISABLED)
return false;
- if ((c->flags & IEEE80211_CHAN_RADAR) &&
- (c->dfs_state != NL80211_DFS_AVAILABLE))
+ if ((c->flags & IEEE80211_CHAN_RADAR) &&
+ (c->dfs_state != NL80211_DFS_AVAILABLE) &&
+ !(c->dfs_state == NL80211_DFS_USABLE && dfs_offload))
return false;
}
--
2.11.0
