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authorJohn W. Linville <linville@tuxdriver.com>2011-05-16 14:55:42 -0400
committerJohn W. Linville <linville@tuxdriver.com>2011-05-16 19:32:19 -0400
commite00cf3b9eb7839b952e434a75bff6b99e47337ac (patch)
treeef583ab8ac09bf703026650d4bc7777e6a3864d3 /net/wireless/scan.c
parent1a8218e96271790a07dd7065a2ef173e0f67e328 (diff)
parent3b8ab88acaceb505aa06ef3bbf3a73b92470ae78 (diff)
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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem
Conflicts: drivers/net/wireless/iwlwifi/iwl-agn-tx.c net/mac80211/sta_info.h
Diffstat (limited to 'net/wireless/scan.c')
-rw-r--r--net/wireless/scan.c77
1 files changed, 70 insertions, 7 deletions
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index fbf6f33..73a441d 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -93,6 +93,69 @@ void cfg80211_scan_done(struct cfg80211_scan_request *request, bool aborted)
}
EXPORT_SYMBOL(cfg80211_scan_done);
+void __cfg80211_sched_scan_results(struct work_struct *wk)
+{
+ struct cfg80211_registered_device *rdev;
+
+ rdev = container_of(wk, struct cfg80211_registered_device,
+ sched_scan_results_wk);
+
+ cfg80211_lock_rdev(rdev);
+
+ /* we don't have sched_scan_req anymore if the scan is stopping */
+ if (rdev->sched_scan_req)
+ nl80211_send_sched_scan_results(rdev,
+ rdev->sched_scan_req->dev);
+
+ cfg80211_unlock_rdev(rdev);
+}
+
+void cfg80211_sched_scan_results(struct wiphy *wiphy)
+{
+ /* ignore if we're not scanning */
+ if (wiphy_to_dev(wiphy)->sched_scan_req)
+ queue_work(cfg80211_wq,
+ &wiphy_to_dev(wiphy)->sched_scan_results_wk);
+}
+EXPORT_SYMBOL(cfg80211_sched_scan_results);
+
+void cfg80211_sched_scan_stopped(struct wiphy *wiphy)
+{
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+
+ cfg80211_lock_rdev(rdev);
+ __cfg80211_stop_sched_scan(rdev, true);
+ cfg80211_unlock_rdev(rdev);
+}
+EXPORT_SYMBOL(cfg80211_sched_scan_stopped);
+
+int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev,
+ bool driver_initiated)
+{
+ int err;
+ struct net_device *dev;
+
+ ASSERT_RDEV_LOCK(rdev);
+
+ if (!rdev->sched_scan_req)
+ return 0;
+
+ dev = rdev->sched_scan_req->dev;
+
+ if (!driver_initiated) {
+ err = rdev->ops->sched_scan_stop(&rdev->wiphy, dev);
+ if (err)
+ return err;
+ }
+
+ nl80211_send_sched_scan(rdev, dev, NL80211_CMD_SCHED_SCAN_STOPPED);
+
+ kfree(rdev->sched_scan_req);
+ rdev->sched_scan_req = NULL;
+
+ return err;
+}
+
static void bss_release(struct kref *ref)
{
struct cfg80211_internal_bss *bss;
@@ -210,7 +273,7 @@ static bool is_mesh(struct cfg80211_bss *a,
{
const u8 *ie;
- if (!is_zero_ether_addr(a->bssid))
+ if (!WLAN_CAPABILITY_IS_MBSS(a->capability))
return false;
ie = cfg80211_find_ie(WLAN_EID_MESH_ID,
@@ -248,11 +311,7 @@ static int cmp_bss(struct cfg80211_bss *a,
if (a->channel != b->channel)
return b->channel->center_freq - a->channel->center_freq;
- r = memcmp(a->bssid, b->bssid, ETH_ALEN);
- if (r)
- return r;
-
- if (is_zero_ether_addr(a->bssid)) {
+ if (WLAN_CAPABILITY_IS_MBSS(a->capability | b->capability)) {
r = cmp_ies(WLAN_EID_MESH_ID,
a->information_elements,
a->len_information_elements,
@@ -267,6 +326,10 @@ static int cmp_bss(struct cfg80211_bss *a,
b->len_information_elements);
}
+ r = memcmp(a->bssid, b->bssid, ETH_ALEN);
+ if (r)
+ return r;
+
return cmp_ies(WLAN_EID_SSID,
a->information_elements,
a->len_information_elements,
@@ -407,7 +470,7 @@ cfg80211_bss_update(struct cfg80211_registered_device *dev,
res->ts = jiffies;
- if (is_zero_ether_addr(res->pub.bssid)) {
+ if (WLAN_CAPABILITY_IS_MBSS(res->pub.capability)) {
/* must be mesh, verify */
meshid = cfg80211_find_ie(WLAN_EID_MESH_ID,
res->pub.information_elements,