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authorJohannes Berg <johannes@sipsolutions.net>2009-12-23 13:15:44 +0100
committerJohn W. Linville <linville@tuxdriver.com>2009-12-28 16:55:06 -0500
commit98b6218388e345064c3f2d3c161383a18274c638 (patch)
tree3df881c8e15947aeefe31da7fa83980a1530aed3 /net/wireless
parente4da8c37af626001ff704fb29ea14eb58f5f7208 (diff)
downloadop-kernel-dev-98b6218388e345064c3f2d3c161383a18274c638.zip
op-kernel-dev-98b6218388e345064c3f2d3c161383a18274c638.tar.gz
mac80211/cfg80211: add station events
When, for instance, a new IBSS peer is found, userspace wants to be notified. Add events for all new stations that mac80211 learns about. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/wireless')
-rw-r--r--net/wireless/mlme.c10
-rw-r--r--net/wireless/nl80211.c21
-rw-r--r--net/wireless/nl80211.h4
3 files changed, 34 insertions, 1 deletions
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index 11f6469..3dba19e 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -707,3 +707,13 @@ void cfg80211_remain_on_channel_expired(struct net_device *dev,
channel_type, gfp);
}
EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
+
+void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
+ struct station_info *sinfo, gfp_t gfp)
+{
+ struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+
+ nl80211_send_sta_event(rdev, dev, mac_addr, sinfo, gfp);
+}
+EXPORT_SYMBOL(cfg80211_new_sta);
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index ff857f1..e3bee3c 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -1642,7 +1642,7 @@ static int parse_station_flags(struct genl_info *info,
static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq,
int flags, struct net_device *dev,
- u8 *mac_addr, struct station_info *sinfo)
+ const u8 *mac_addr, struct station_info *sinfo)
{
void *hdr;
struct nlattr *sinfoattr, *txrate;
@@ -5350,6 +5350,25 @@ void nl80211_send_remain_on_channel_cancel(
channel_type, 0, gfp);
}
+void nl80211_send_sta_event(struct cfg80211_registered_device *rdev,
+ struct net_device *dev, const u8 *mac_addr,
+ struct station_info *sinfo, gfp_t gfp)
+{
+ struct sk_buff *msg;
+
+ msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ if (!msg)
+ return;
+
+ if (nl80211_send_station(msg, 0, 0, 0, dev, mac_addr, sinfo) < 0) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
+}
+
/* initialisation/exit functions */
int nl80211_init(void)
diff --git a/net/wireless/nl80211.h b/net/wireless/nl80211.h
index a5e2de4..14855b8 100644
--- a/net/wireless/nl80211.h
+++ b/net/wireless/nl80211.h
@@ -70,4 +70,8 @@ void nl80211_send_remain_on_channel_cancel(
u64 cookie, struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type, gfp_t gfp);
+void nl80211_send_sta_event(struct cfg80211_registered_device *rdev,
+ struct net_device *dev, const u8 *mac_addr,
+ struct station_info *sinfo, gfp_t gfp);
+
#endif /* __NET_WIRELESS_NL80211_H */
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