mac80211: delay IBSS station insertion

In order to notify drivers and simplify the station
management code, defer IBSS station insertion to a
work item and don't do it directly while receiving
a frame.

This increases the complexity in IBSS a little bit,
but it's pretty straight forward and it allows us
to reduce the station management complexity (next
patch) considerably.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 5 insertions, 3 deletions

diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 9516c3088fba..eca6063e287c 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -482,6 +482,9 @@ struct ieee80211_if_ibss {
         struct sk_buff __rcu *presp;
         struct sk_buff *skb;
 
+        spinlock_t incomplete_lock;
+        struct list_head incomplete_stations;
+
         enum {
                 IEEE80211_IBSS_MLME_SEARCH,
                 IEEE80211_IBSS_MLME_JOINED,
@@ -1172,9 +1175,8 @@ void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata);
 /* IBSS code */
 void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local);
 void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata);
-struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata,
-                                        u8 *bssid, u8 *addr, u32 supp_rates,
-                                        gfp_t gfp);
+void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata,
+                              const u8 *bssid, const u8 *addr, u32 supp_rates);
 int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
                         struct cfg80211_ibss_params *params);
 int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata);