diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 857d6476a1282f..a75fabd185028d 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -1074,6 +1074,19 @@ struct station_info { */ }; +/** + * cfg80211_get_station - retrieve information about a given station + * @dev: the device where the station is supposed to be connected to + * @mac_addr: the mac address of the station of interest + * @sinfo: pointer to the structure to fill with the information + * + * Returns 0 on success and sinfo is filled with the available information + * otherwise returns a negative error code and the content of sinfo has to be + * considered undefined. + */ +int cfg80211_get_station(struct net_device *dev, const u8 *mac_addr, + struct station_info *sinfo); + /** * enum monitor_flags - monitor flags * diff --git a/net/wireless/rdev-ops.h b/net/wireless/rdev-ops.h index 00cdf73ba6c468..d95bbe34813833 100644 --- a/net/wireless/rdev-ops.h +++ b/net/wireless/rdev-ops.h @@ -199,7 +199,7 @@ static inline int rdev_change_station(struct cfg80211_registered_device *rdev, } static inline int rdev_get_station(struct cfg80211_registered_device *rdev, - struct net_device *dev, u8 *mac, + struct net_device *dev, const u8 *mac, struct station_info *sinfo) { int ret; diff --git a/net/wireless/util.c b/net/wireless/util.c index fa61ac9c9b26b6..728f1c0dc70dbd 100644 --- a/net/wireless/util.c +++ b/net/wireless/util.c @@ -1546,6 +1546,24 @@ unsigned int ieee80211_get_num_supported_channels(struct wiphy *wiphy) } EXPORT_SYMBOL(ieee80211_get_num_supported_channels); +int cfg80211_get_station(struct net_device *dev, const u8 *mac_addr, + struct station_info *sinfo) +{ + struct cfg80211_registered_device *rdev; + struct wireless_dev *wdev; + + wdev = dev->ieee80211_ptr; + if (!wdev) + return -EOPNOTSUPP; + + rdev = wiphy_to_rdev(wdev->wiphy); + if (!rdev->ops->get_station) + return -EOPNOTSUPP; + + return rdev_get_station(rdev, dev, mac_addr, sinfo); +} +EXPORT_SYMBOL(cfg80211_get_station); + /* See IEEE 802.1H for LLC/SNAP encapsulation/decapsulation */ /* Ethernet-II snap header (RFC1042 for most EtherTypes) */ const unsigned char rfc1042_header[] __aligned(2) =