diff options
| author | Lorenzo Bianconi <lorenzo@kernel.org> | 2021-11-16 14:41:52 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2021-11-26 13:49:54 +0300 |
| commit | c47240cb46a10c40686ce4e25c64aaed676f71c9 (patch) | |
| tree | 24a5db1faa5bf5f34907289797c4b4516dbac109 /net/wireless/mlme.c | |
| parent | 3536672bbdc2e7093333be85c945a63aef4c6bb8 (diff) | |
| download | linux-c47240cb46a10c40686ce4e25c64aaed676f71c9.tar.xz | |
cfg80211: schedule offchan_cac_abort_wk in cfg80211_radar_event
If necessary schedule offchan_cac_abort_wk work in cfg80211_radar_event
routine adding offchan parameter to cfg80211_radar_event signature.
Rename cfg80211_radar_event in __cfg80211_radar_event and introduce
the two following inline helpers:
- cfg80211_radar_event
- cfg80211_offchan_radar_event
Doing so the drv will not need to run cfg80211_offchan_cac_abort() after
radar detection on the offchannel chain.
Tested-by: Owen Peng <owen.peng@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/r/3ff583e021e3343a3ced54a7b09b5e184d1880dc.1637062727.git.lorenzo@kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless/mlme.c')
| -rw-r--r-- | net/wireless/mlme.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c index ac2e5e732d94..450be1ec70b8 100644 --- a/net/wireless/mlme.c +++ b/net/wireless/mlme.c @@ -905,13 +905,13 @@ void cfg80211_dfs_channels_update_work(struct work_struct *work) } -void cfg80211_radar_event(struct wiphy *wiphy, - struct cfg80211_chan_def *chandef, - gfp_t gfp) +void __cfg80211_radar_event(struct wiphy *wiphy, + struct cfg80211_chan_def *chandef, + bool offchan, gfp_t gfp) { struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); - trace_cfg80211_radar_event(wiphy, chandef); + trace_cfg80211_radar_event(wiphy, chandef, offchan); /* only set the chandef supplied channel to unavailable, in * case the radar is detected on only one of multiple channels @@ -919,6 +919,9 @@ void cfg80211_radar_event(struct wiphy *wiphy, */ cfg80211_set_dfs_state(wiphy, chandef, NL80211_DFS_UNAVAILABLE); + if (offchan) + queue_work(cfg80211_wq, &rdev->offchan_cac_abort_wk); + cfg80211_sched_dfs_chan_update(rdev); nl80211_radar_notify(rdev, chandef, NL80211_RADAR_DETECTED, NULL, gfp); @@ -926,7 +929,7 @@ void cfg80211_radar_event(struct wiphy *wiphy, memcpy(&rdev->radar_chandef, chandef, sizeof(struct cfg80211_chan_def)); queue_work(cfg80211_wq, &rdev->propagate_radar_detect_wk); } -EXPORT_SYMBOL(cfg80211_radar_event); +EXPORT_SYMBOL(__cfg80211_radar_event); void cfg80211_cac_event(struct net_device *netdev, const struct cfg80211_chan_def *chandef, @@ -998,7 +1001,8 @@ __cfg80211_offchan_cac_event(struct cfg80211_registered_device *rdev, rdev->offchan_radar_wdev = NULL; break; case NL80211_RADAR_CAC_ABORTED: - cancel_delayed_work(&rdev->offchan_cac_done_wk); + if (!cancel_delayed_work(&rdev->offchan_cac_done_wk)) + return; wdev = rdev->offchan_radar_wdev; rdev->offchan_radar_wdev = NULL; break; |