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authorPandiyarajan Pitchaimuthu <c_ppitch@qca.qualcomm.com>2012-09-18 13:20:49 +0200
committerJohannes Berg <johannes.berg@intel.com>2012-09-18 19:54:06 +0200
commited44a951c72ab409f932b1c15914488308e86da2 (patch)
tree74ee8c115663e2d48d610401dd7f95a8bcd05898 /net/wireless
parentcfg80211: remove obsolete comment for .sched_scan_stop() callback (diff)
downloadlinux-ed44a951c72ab409f932b1c15914488308e86da2.tar.xz
linux-ed44a951c72ab409f932b1c15914488308e86da2.zip
cfg80211/nl80211: Notify connection request failure in AP mode
In AP mode, when a station requests connection to an AP and if the request is failed for particular reason, userspace is notified about the failure through NL80211_CMD_CONN_FAILED command. Reason for the failure is sent through the attribute NL80211_ATTR_CONN_FAILED_REASON. Signed-off-by: Pandiyarajan Pitchaimuthu <c_ppitch@qca.qualcomm.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless')
-rw-r--r--net/wireless/mlme.c11
-rw-r--r--net/wireless/nl80211.c34
-rw-r--r--net/wireless/nl80211.h5
3 files changed, 50 insertions, 0 deletions
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index 8fd0242ee169..3df195a3e336 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -612,6 +612,17 @@ void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp)
}
EXPORT_SYMBOL(cfg80211_del_sta);
+void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
+ enum nl80211_connect_failed_reason reason,
+ gfp_t gfp)
+{
+ struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+
+ nl80211_send_conn_failed_event(rdev, dev, mac_addr, reason, gfp);
+}
+EXPORT_SYMBOL(cfg80211_conn_failed);
+
struct cfg80211_mgmt_registration {
struct list_head list;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 222189b6ed53..f1047aea868a 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -8364,6 +8364,40 @@ void nl80211_send_sta_del_event(struct cfg80211_registered_device *rdev,
nlmsg_free(msg);
}
+void nl80211_send_conn_failed_event(struct cfg80211_registered_device *rdev,
+ struct net_device *dev, const u8 *mac_addr,
+ enum nl80211_connect_failed_reason reason,
+ gfp_t gfp)
+{
+ struct sk_buff *msg;
+ void *hdr;
+
+ msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ if (!msg)
+ return;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED);
+ if (!hdr) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
+ nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
+ nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason))
+ goto nla_put_failure;
+
+ genlmsg_end(msg, hdr);
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
+ return;
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
+}
+
static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
const u8 *addr, gfp_t gfp)
{
diff --git a/net/wireless/nl80211.h b/net/wireless/nl80211.h
index 9f2616fffb40..f6153516068c 100644
--- a/net/wireless/nl80211.h
+++ b/net/wireless/nl80211.h
@@ -91,6 +91,11 @@ void nl80211_send_sta_del_event(struct cfg80211_registered_device *rdev,
struct net_device *dev, const u8 *mac_addr,
gfp_t gfp);
+void nl80211_send_conn_failed_event(struct cfg80211_registered_device *rdev,
+ struct net_device *dev, const u8 *mac_addr,
+ enum nl80211_connect_failed_reason reason,
+ gfp_t gfp);
+
int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev, u32 nlpid,
int freq, int sig_dbm,