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mac80211/cfg80211: add station events

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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 <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
This commit is contained in:
Johannes Berg 2009-12-23 13:15:44 +01:00 • committed by John W. Linville
commit 98b6218388
5 changed files with 51 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

10
net/wireless/mlme.c
View file

@ -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);

21
net/wireless/nl80211.c
View file

@ -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)

4
net/wireless/nl80211.h
View file

@ -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 */