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-rw-r--r--net/mac80211/driver-ops.h2
-rw-r--r--net/mac80211/mlme.c92
-rw-r--r--net/mac80211/rx.c3
3 files changed, 87 insertions, 10 deletions
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index 4f22713..9c1da08 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -349,7 +349,7 @@ static inline int drv_get_survey(struct ieee80211_local *local, int idx,
struct survey_info *survey)
{
int ret = -EOPNOTSUPP;
- if (local->ops->conf_tx)
+ if (local->ops->get_survey)
ret = local->ops->get_survey(&local->hw, idx, survey);
/* trace_drv_get_survey(local, idx, survey, ret); */
return ret;
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 0839c4e..f803f8b 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1692,14 +1692,52 @@ static void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
rma = ieee80211_rx_mgmt_disassoc(sdata, mgmt, skb->len);
break;
case IEEE80211_STYPE_ACTION:
- if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT)
+ switch (mgmt->u.action.category) {
+ case WLAN_CATEGORY_BACK: {
+ struct ieee80211_local *local = sdata->local;
+ int len = skb->len;
+ struct sta_info *sta;
+
+ rcu_read_lock();
+ sta = sta_info_get(sdata, mgmt->sa);
+ if (!sta) {
+ rcu_read_unlock();
+ break;
+ }
+
+ local_bh_disable();
+
+ switch (mgmt->u.action.u.addba_req.action_code) {
+ case WLAN_ACTION_ADDBA_REQ:
+ if (len < (IEEE80211_MIN_ACTION_SIZE +
+ sizeof(mgmt->u.action.u.addba_req)))
+ break;
+ ieee80211_process_addba_request(local, sta, mgmt, len);
+ break;
+ case WLAN_ACTION_ADDBA_RESP:
+ if (len < (IEEE80211_MIN_ACTION_SIZE +
+ sizeof(mgmt->u.action.u.addba_resp)))
+ break;
+ ieee80211_process_addba_resp(local, sta, mgmt, len);
+ break;
+ case WLAN_ACTION_DELBA:
+ if (len < (IEEE80211_MIN_ACTION_SIZE +
+ sizeof(mgmt->u.action.u.delba)))
+ break;
+ ieee80211_process_delba(sdata, sta, mgmt, len);
+ break;
+ }
+ local_bh_enable();
+ rcu_read_unlock();
break;
-
- ieee80211_sta_process_chanswitch(sdata,
- &mgmt->u.action.u.chan_switch.sw_elem,
- (void *)ifmgd->associated->priv,
- rx_status->mactime);
- break;
+ }
+ case WLAN_CATEGORY_SPECTRUM_MGMT:
+ ieee80211_sta_process_chanswitch(sdata,
+ &mgmt->u.action.u.chan_switch.sw_elem,
+ (void *)ifmgd->associated->priv,
+ rx_status->mactime);
+ break;
+ }
}
mutex_unlock(&ifmgd->mtx);
@@ -1722,9 +1760,45 @@ static void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
mutex_unlock(&ifmgd->mtx);
if (skb->len >= 24 + 2 /* mgmt + deauth reason */ &&
- (fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_DEAUTH)
- cfg80211_send_deauth(sdata->dev, (u8 *)mgmt, skb->len);
+ (fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_DEAUTH) {
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_work *wk;
+
+ mutex_lock(&local->work_mtx);
+ list_for_each_entry(wk, &local->work_list, list) {
+ if (wk->sdata != sdata)
+ continue;
+
+ if (wk->type != IEEE80211_WORK_ASSOC)
+ continue;
+
+ if (memcmp(mgmt->bssid, wk->filter_ta, ETH_ALEN))
+ continue;
+ if (memcmp(mgmt->sa, wk->filter_ta, ETH_ALEN))
+ continue;
+ /*
+ * Printing the message only here means we can't
+ * spuriously print it, but it also means that it
+ * won't be printed when the frame comes in before
+ * we even tried to associate or in similar cases.
+ *
+ * Ultimately, I suspect cfg80211 should print the
+ * messages instead.
+ */
+ printk(KERN_DEBUG
+ "%s: deauthenticated from %pM (Reason: %u)\n",
+ sdata->name, mgmt->bssid,
+ le16_to_cpu(mgmt->u.deauth.reason_code));
+
+ list_del_rcu(&wk->list);
+ free_work(wk);
+ break;
+ }
+ mutex_unlock(&local->work_mtx);
+
+ cfg80211_send_deauth(sdata->dev, (u8 *)mgmt, skb->len);
+ }
out:
kfree_skb(skb);
}
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 5e0b654..be9abc2 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1944,6 +1944,9 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
if (len < IEEE80211_MIN_ACTION_SIZE + 1)
break;
+ if (sdata->vif.type == NL80211_IFTYPE_STATION)
+ return ieee80211_sta_rx_mgmt(sdata, rx->skb);
+
switch (mgmt->u.action.u.addba_req.action_code) {
case WLAN_ACTION_ADDBA_REQ:
if (len < (IEEE80211_MIN_ACTION_SIZE +
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