diff options
Diffstat (limited to 'net/wireless/core.c')
| -rw-r--r-- | net/wireless/core.c | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/net/wireless/core.c b/net/wireless/core.c index e347093..b1a354b 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -40,9 +40,8 @@ DEFINE_MUTEX(cfg80211_mutex); /* for debugfs */ static struct dentry *ieee80211_debugfs_dir; -/* requires cfg80211_drv_mutex to be held! */ -static struct cfg80211_registered_device * -cfg80211_drv_by_wiphy_idx(int wiphy_idx) +/* requires cfg80211_mutex to be held! */ +struct cfg80211_registered_device *cfg80211_drv_by_wiphy_idx(int wiphy_idx) { struct cfg80211_registered_device *result = NULL, *drv; @@ -61,6 +60,31 @@ cfg80211_drv_by_wiphy_idx(int wiphy_idx) return result; } +int get_wiphy_idx(struct wiphy *wiphy) +{ + struct cfg80211_registered_device *drv; + if (!wiphy) + return WIPHY_IDX_STALE; + drv = wiphy_to_dev(wiphy); + return drv->wiphy_idx; +} + +/* requires cfg80211_drv_mutex to be held! */ +struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx) +{ + struct cfg80211_registered_device *drv; + + if (!wiphy_idx_valid(wiphy_idx)) + return NULL; + + assert_cfg80211_lock(); + + drv = cfg80211_drv_by_wiphy_idx(wiphy_idx); + if (!drv) + return NULL; + return &drv->wiphy; +} + /* requires cfg80211_mutex to be held! */ static struct cfg80211_registered_device * __cfg80211_drv_from_info(struct genl_info *info) |