From 98b6218388e345064c3f2d3c161383a18274c638 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Wed, 23 Dec 2009 13:15:44 +0100 Subject: 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 Signed-off-by: John W. Linville --- net/wireless/mlme.c | 10 ++++++++++ net/wireless/nl80211.c | 21 ++++++++++++++++++++- net/wireless/nl80211.h | 4 ++++ 3 files changed, 34 insertions(+), 1 deletion(-) (limited to 'net/wireless') diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c index 11f6469b3f9..3dba19e1727 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 ff857f10cb8..e3bee3cecdf 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 a5e2de419b7..14855b8fb43 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 */ -- cgit v1.2.3