diff options
| author |   Arik Nemtsov <arik@wizery.com> | 2015-01-07 16:47:19 +0200 |
|---|---|---|
| committer |   Johannes Berg <johannes.berg@intel.com> | 2015-01-14 09:43:44 +0100 |
| commit | 2c3e861c94a29a30c75f60f2561b4ee70b3fb3a4 (patch) | |
| tree | 83edc4013e502b66a541779c486a5bf53c51b5f5 /net/wireless | |
| parent | mac80211: don't defer scans in case of radar detection (diff) | |
| download | linux-dev-2c3e861c94a29a30c75f60f2561b4ee70b3fb3a4.tar.xz linux-dev-2c3e861c94a29a30c75f60f2561b4ee70b3fb3a4.zip | |
cfg80211: introduce sync regdom set API for self-managed
A self-managed device will sometimes need to set its regdomain synchronously.
Notably it should be set before usermode has a chance to query it. Expose
a new API to accomplish this which requires the RTNL.
Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless')
| -rw-r--r-- | net/wireless/reg.c | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 8d232b904210..f8ed79729eb0 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -2897,8 +2897,8 @@ int set_regdom(const struct ieee80211_regdomain *rd) return 0; } -int regulatory_set_wiphy_regd(struct wiphy *wiphy, - struct ieee80211_regdomain *rd) +static int __regulatory_set_wiphy_regd(struct wiphy *wiphy, + struct ieee80211_regdomain *rd) { const struct ieee80211_regdomain *regd; const struct ieee80211_regdomain *prev_regd; @@ -2928,12 +2928,39 @@ int regulatory_set_wiphy_regd(struct wiphy *wiphy, spin_unlock(®_requests_lock); kfree(prev_regd); + return 0; +} + +int regulatory_set_wiphy_regd(struct wiphy *wiphy, + struct ieee80211_regdomain *rd) +{ + int ret = __regulatory_set_wiphy_regd(wiphy, rd); + + if (ret) + return ret; schedule_work(®_work); return 0; } EXPORT_SYMBOL(regulatory_set_wiphy_regd); +int regulatory_set_wiphy_regd_sync_rtnl(struct wiphy *wiphy, + struct ieee80211_regdomain *rd) +{ + int ret; + + ASSERT_RTNL(); + + ret = __regulatory_set_wiphy_regd(wiphy, rd); + if (ret) + return ret; + + /* process the request immediately */ + reg_process_self_managed_hints(); + return 0; +} +EXPORT_SYMBOL(regulatory_set_wiphy_regd_sync_rtnl); + void wiphy_regulatory_register(struct wiphy *wiphy) { struct regulatory_request *lr; |