1 files changed, 211 insertions, 183 deletions

diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 10d316e455de..241533e1bc03 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -2,7 +2,7 @@
  * Copyright 2002-2005, Instant802 Networks, Inc.
  * Copyright 2005, Devicescape Software, Inc.
  * Copyright 2006-2007  Jiri Benc <jbenc@suse.cz>
- * Copyright 2007-2008  Johannes Berg <johannes@sipsolutions.net>
+ * Copyright 2007-2010  Johannes Berg <johannes@sipsolutions.net>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -23,6 +23,7 @@
 #include <linux/types.h>
 #include <linux/spinlock.h>
 #include <linux/etherdevice.h>
+#include <net/ieee80211_radiotap.h>
 #include <net/cfg80211.h>
 #include <net/mac80211.h>
 #include "key.h"
@@ -57,6 +58,15 @@ struct ieee80211_local;
 
 #define TU_TO_EXP_TIME(x)       (jiffies + usecs_to_jiffies((x) * 1024))
 
+#define IEEE80211_DEFAULT_UAPSD_QUEUES \
+        (IEEE80211_WMM_IE_STA_QOSINFO_AC_BK |   \
+         IEEE80211_WMM_IE_STA_QOSINFO_AC_BE |   \
+         IEEE80211_WMM_IE_STA_QOSINFO_AC_VI |   \
+         IEEE80211_WMM_IE_STA_QOSINFO_AC_VO)
+
+#define IEEE80211_DEFAULT_MAX_SP_LEN            \
+        IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL
+
 struct ieee80211_fragment_entry {
         unsigned long first_frag_time;
         unsigned int seq;
@@ -70,9 +80,6 @@ struct ieee80211_fragment_entry {
 
 
 struct ieee80211_bss {
-        /* Yes, this is a hack */
-        struct cfg80211_bss cbss;
-
         /* don't want to look up all the time */
         size_t ssid_len;
         u8 ssid[IEEE80211_MAX_SSID_LEN];
@@ -80,6 +87,7 @@ struct ieee80211_bss {
         u8 dtim_period;
 
         bool wmm_used;
+        bool uapsd_supported;
 
         unsigned long last_probe_resp;
 
@@ -139,7 +147,6 @@ typedef unsigned __bitwise__ ieee80211_tx_result;
 
 struct ieee80211_tx_data {
         struct sk_buff *skb;
-        struct net_device *dev;
         struct ieee80211_local *local;
         struct ieee80211_sub_if_data *sdata;
         struct sta_info *sta;
@@ -162,21 +169,17 @@ typedef unsigned __bitwise__ ieee80211_rx_result;
 /* frame is destined to interface currently processed (incl. multicast frames) */
 #define IEEE80211_RX_RA_MATCH           BIT(1)
 #define IEEE80211_RX_AMSDU              BIT(2)
-#define IEEE80211_RX_CMNTR_REPORTED     BIT(3)
-#define IEEE80211_RX_FRAGMENTED         BIT(4)
+#define IEEE80211_RX_FRAGMENTED         BIT(3)
+/* only add flags here that do not change with subframes of an aMPDU */
 
 struct ieee80211_rx_data {
         struct sk_buff *skb;
-        struct net_device *dev;
         struct ieee80211_local *local;
         struct ieee80211_sub_if_data *sdata;
         struct sta_info *sta;
         struct ieee80211_key *key;
-        struct ieee80211_rx_status *status;
-        struct ieee80211_rate *rate;
 
         unsigned int flags;
-        int sent_ps_buffered;
         int queue;
         u32 tkip_iv32;
         u16 tkip_iv16;
@@ -209,6 +212,9 @@ struct ieee80211_if_wds {
 
 struct ieee80211_if_vlan {
         struct list_head list;
+
+        /* used for all tx if the VLAN is configured to 4-addr mode */
+        struct sta_info *sta;
 };
 
 struct mesh_stats {
@@ -228,31 +234,77 @@ struct mesh_preq_queue {
         u8 flags;
 };
 
-enum ieee80211_mgd_state {
-        IEEE80211_MGD_STATE_IDLE,
-        IEEE80211_MGD_STATE_PROBE,
-        IEEE80211_MGD_STATE_AUTH,
-        IEEE80211_MGD_STATE_ASSOC,
+enum ieee80211_work_type {
+        IEEE80211_WORK_ABORT,
+        IEEE80211_WORK_DIRECT_PROBE,
+        IEEE80211_WORK_AUTH,
+        IEEE80211_WORK_ASSOC,
+        IEEE80211_WORK_REMAIN_ON_CHANNEL,
 };
 
-struct ieee80211_mgd_work {
+/**
+ * enum work_done_result - indicates what to do after work was done
+ *
+ * @WORK_DONE_DESTROY: This work item is no longer needed, destroy.
+ * @WORK_DONE_REQUEUE: This work item was reset to be reused, and
+ *      should be requeued.
+ */
+enum work_done_result {
+        WORK_DONE_DESTROY,
+        WORK_DONE_REQUEUE,
+};
+
+struct ieee80211_work {
         struct list_head list;
-        struct ieee80211_bss *bss;
-        int ie_len;
-        u8 prev_bssid[ETH_ALEN];
-        u8 ssid[IEEE80211_MAX_SSID_LEN];
-        u8 ssid_len;
+
+        struct rcu_head rcu_head;
+
+        struct ieee80211_sub_if_data *sdata;
+
+        enum work_done_result (*done)(struct ieee80211_work *wk,
+                                      struct sk_buff *skb);
+
+        struct ieee80211_channel *chan;
+        enum nl80211_channel_type chan_type;
+
         unsigned long timeout;
-        enum ieee80211_mgd_state state;
-        u16 auth_alg, auth_transaction;
+        enum ieee80211_work_type type;
 
-        int tries;
+        u8 filter_ta[ETH_ALEN];
 
-        u8 key[WLAN_KEY_LEN_WEP104];
-        u8 key_len, key_idx;
+        bool started;
+
+        union {
+                struct {
+                        int tries;
+                        u16 algorithm, transaction;
+                        u8 ssid[IEEE80211_MAX_SSID_LEN];
+                        u8 ssid_len;
+                        u8 key[WLAN_KEY_LEN_WEP104];
+                        u8 key_len, key_idx;
+                        bool privacy;
+                } probe_auth;
+                struct {
+                        struct cfg80211_bss *bss;
+                        const u8 *supp_rates;
+                        const u8 *ht_information_ie;
+                        enum ieee80211_smps_mode smps;
+                        int tries;
+                        u16 capability;
+                        u8 prev_bssid[ETH_ALEN];
+                        u8 ssid[IEEE80211_MAX_SSID_LEN];
+                        u8 ssid_len;
+                        u8 supp_rates_len;
+                        bool wmm_used, use_11n, uapsd_used;
+                } assoc;
+                struct {
+                        u32 duration;
+                } remain;
+        };
 
+        int ie_len;
         /* must be last */
-        u8 ie[0]; /* for auth or assoc frame, not probe */
+        u8 ie[0];
 };
 
 /* flags used in struct ieee80211_if_managed.flags */
@@ -260,15 +312,11 @@ enum ieee80211_sta_flags {
         IEEE80211_STA_BEACON_POLL       = BIT(0),
         IEEE80211_STA_CONNECTION_POLL   = BIT(1),
         IEEE80211_STA_CONTROL_PORT      = BIT(2),
-        IEEE80211_STA_WMM_ENABLED       = BIT(3),
         IEEE80211_STA_DISABLE_11N       = BIT(4),
         IEEE80211_STA_CSA_RECEIVED      = BIT(5),
         IEEE80211_STA_MFP_ENABLED       = BIT(6),
-};
-
-/* flags for MLME request */
-enum ieee80211_sta_request {
-        IEEE80211_STA_REQ_SCAN,
+        IEEE80211_STA_UAPSD_ENABLED     = BIT(7),
+        IEEE80211_STA_NULLFUNC_ACKED    = BIT(8),
 };
 
 struct ieee80211_if_managed {
@@ -285,21 +333,18 @@ struct ieee80211_if_managed {
         int probe_send_count;
 
         struct mutex mtx;
-        struct ieee80211_bss *associated;
-        struct ieee80211_mgd_work *old_associate_work;
-        struct list_head work_list;
+        struct cfg80211_bss *associated;
 
         u8 bssid[ETH_ALEN];
 
         u16 aid;
-        u16 capab;
 
         struct sk_buff_head skb_queue;
 
         unsigned long timers_running; /* used for quiesce/restart */
         bool powersave; /* powersave requested for this iface */
-
-        unsigned long request;
+        enum ieee80211_smps_mode req_smps, /* requested smps mode */
+                                 ap_smps; /* smps mode AP thinks we're in */
 
         unsigned int flags;
 
@@ -312,6 +357,8 @@ struct ieee80211_if_managed {
         } mfp; /* management frame protection */
 
         int wmm_last_param_set;
+
+        u8 use_4addr;
 };
 
 enum ieee80211_ibss_request {
@@ -353,6 +400,7 @@ struct ieee80211_if_mesh {
         struct work_struct work;
         struct timer_list housekeeping_timer;
         struct timer_list mesh_path_timer;
+        struct timer_list mesh_path_root_timer;
         struct sk_buff_head skb_queue;
 
         unsigned long timers_running;
@@ -362,23 +410,23 @@ struct ieee80211_if_mesh {
         u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN];
         size_t mesh_id_len;
         /* Active Path Selection Protocol Identifier */
-        u8 mesh_pp_id[4];
+        u8 mesh_pp_id;
         /* Active Path Selection Metric Identifier */
-        u8 mesh_pm_id[4];
+        u8 mesh_pm_id;
         /* Congestion Control Mode Identifier */
-        u8 mesh_cc_id[4];
+        u8 mesh_cc_id;
         /* Synchronization Protocol Identifier */
-        u8 mesh_sp_id[4];
+        u8 mesh_sp_id;
         /* Authentication Protocol Identifier */
-        u8 mesh_auth_id[4];
-        /* Local mesh Destination Sequence Number */
-        u32 dsn;
+        u8 mesh_auth_id;
+        /* Local mesh Sequence Number */
+        u32 sn;
         /* Last used PREQ ID */
         u32 preq_id;
         atomic_t mpaths;
-        /* Timestamp of last DSN update */
-        unsigned long last_dsn_update;
-        /* Timestamp of last DSN sent */
+        /* Timestamp of last SN update */
+        unsigned long last_sn_update;
+        /* Timestamp of last SN sent */
         unsigned long last_preq;
         struct mesh_rmc *rmc;
         spinlock_t mesh_preq_queue_lock;
@@ -430,6 +478,8 @@ struct ieee80211_sub_if_data {
 
         int drop_unencrypted;
 
+        char name[IFNAMSIZ];
+
         /*
          * keep track of whether the HT opmode (stored in
          * vif.bss_info.ht_operation_mode) is valid.
@@ -455,8 +505,8 @@ struct ieee80211_sub_if_data {
          */
         struct ieee80211_if_ap *bss;
 
-        int force_unicast_rateidx; /* forced TX rateidx for unicast frames */
-        int max_ratectrl_rateidx; /* max TX rateidx for rate control */
+        /* bitmap of allowed (non-MCS) rate indexes for rate control */
+        u32 rc_rateidx_mask[IEEE80211_NUM_BANDS];
 
         union {
                 struct ieee80211_if_ap ap;
@@ -471,74 +521,11 @@ struct ieee80211_sub_if_data {
         } u;
 
 #ifdef CONFIG_MAC80211_DEBUGFS
-        struct dentry *debugfsdir;
-        union {
-                struct {
-                        struct dentry *drop_unencrypted;
-                        struct dentry *bssid;
-                        struct dentry *aid;
-                        struct dentry *capab;
-                        struct dentry *force_unicast_rateidx;
-                        struct dentry *max_ratectrl_rateidx;
-                } sta;
-                struct {
-                        struct dentry *drop_unencrypted;
-                        struct dentry *num_sta_ps;
-                        struct dentry *dtim_count;
-                        struct dentry *force_unicast_rateidx;
-                        struct dentry *max_ratectrl_rateidx;
-                        struct dentry *num_buffered_multicast;
-                } ap;
-                struct {
-                        struct dentry *drop_unencrypted;
-                        struct dentry *peer;
-                        struct dentry *force_unicast_rateidx;
-                        struct dentry *max_ratectrl_rateidx;
-                } wds;
-                struct {
-                        struct dentry *drop_unencrypted;
-                        struct dentry *force_unicast_rateidx;
-                        struct dentry *max_ratectrl_rateidx;
-                } vlan;
-                struct {
-                        struct dentry *mode;
-                } monitor;
-        } debugfs;
         struct {
+                struct dentry *dir;
                 struct dentry *default_key;
                 struct dentry *default_mgmt_key;
-        } common_debugfs;
-
-#ifdef CONFIG_MAC80211_MESH
-        struct dentry *mesh_stats_dir;
-        struct {
-                struct dentry *fwded_mcast;
-                struct dentry *fwded_unicast;
-                struct dentry *fwded_frames;
-                struct dentry *dropped_frames_ttl;
-                struct dentry *dropped_frames_no_route;
-                struct dentry *estab_plinks;
-                struct timer_list mesh_path_timer;
-        } mesh_stats;
-
-        struct dentry *mesh_config_dir;
-        struct {
-                struct dentry *dot11MeshRetryTimeout;
-                struct dentry *dot11MeshConfirmTimeout;
-                struct dentry *dot11MeshHoldingTimeout;
-                struct dentry *dot11MeshMaxRetries;
-                struct dentry *dot11MeshTTL;
-                struct dentry *auto_open_plinks;
-                struct dentry *dot11MeshMaxPeerLinks;
-                struct dentry *dot11MeshHWMPactivePathTimeout;
-                struct dentry *dot11MeshHWMPpreqMinInterval;
-                struct dentry *dot11MeshHWMPnetDiameterTraversalTime;
-                struct dentry *dot11MeshHWMPmaxPREQretries;
-                struct dentry *path_refresh_time;
-                struct dentry *min_discovery_timeout;
-        } mesh_config;
-#endif
-
+        } debugfs;
 #endif
         /* must be last, dynamically sized area in this! */
         struct ieee80211_vif vif;
@@ -625,6 +612,15 @@ struct ieee80211_local {
         const struct ieee80211_ops *ops;
 
         /*
+         * work stuff, potentially off-channel (in the future)
+         */
+        struct mutex work_mtx;
+        struct list_head work_list;
+        struct timer_list work_timer;
+        struct work_struct work_work;
+        struct sk_buff_head work_skb_queue;
+
+        /*
          * private workqueue to mac80211. mac80211 makes this accessible
          * via ieee80211_queue_work()
          */
@@ -639,7 +635,6 @@ struct ieee80211_local {
         /* number of interfaces with corresponding FIF_ flags */
         int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll;
         unsigned int filter_flags; /* FIF_* */
-        struct iw_statistics wstats;
 
         /* protects the aggregated multicast list and filter calls */
         spinlock_t filter_lock;
@@ -647,6 +642,9 @@ struct ieee80211_local {
         /* used for uploading changed mc list */
         struct work_struct reconfig_filter;
 
+        /* used to reconfigure hardware SM PS */
+        struct work_struct recalc_smps;
+
         /* aggregated multicast list */
         struct dev_addr_list *mc_list;
         int mc_count;
@@ -691,15 +689,18 @@ struct ieee80211_local {
 
         /* Station data */
         /*
-         * The lock only protects the list, hash, timer and counter
-         * against manipulation, reads are done in RCU. Additionally,
-         * the lock protects each BSS's TIM bitmap.
+         * The mutex only protects the list and counter,
+         * reads are done in RCU.
+         * Additionally, the lock protects the hash table,
+         * the pending list and each BSS's TIM bitmap.
          */
+        struct mutex sta_mtx;
         spinlock_t sta_lock;
         unsigned long num_sta;
-        struct list_head sta_list;
+        struct list_head sta_list, sta_pending_list;
         struct sta_info *sta_hash[STA_HASH_SIZE];
         struct timer_list sta_cleanup;
+        struct work_struct sta_finish_work;
         int sta_generation;
 
         struct sk_buff_head pending[IEEE80211_MAX_QUEUES];
@@ -738,10 +739,9 @@ struct ieee80211_local {
         unsigned long scanning;
         struct cfg80211_ssid scan_ssid;
         struct cfg80211_scan_request *int_scan_req;
-        struct cfg80211_scan_request *scan_req;
+        struct cfg80211_scan_request *scan_req, *hw_scan_req;
         struct ieee80211_channel *scan_channel;
-        const u8 *orig_ies;
-        int orig_ies_len;
+        enum ieee80211_band hw_scan_band;
         int scan_channel_idx;
         int scan_ies_len;
 
@@ -751,6 +751,10 @@ struct ieee80211_local {
         enum nl80211_channel_type oper_channel_type;
         struct ieee80211_channel *oper_channel, *csa_channel;
 
+        /* Temporary remain-on-channel for off-channel operations */
+        struct ieee80211_channel *tmp_channel;
+        enum nl80211_channel_type tmp_channel_type;
+
         /* SNMP counters */
         /* dot11CountersTable */
         u32 dot11TransmittedFragmentCount;
@@ -770,10 +774,6 @@ struct ieee80211_local {
              assoc_led_name[32], radio_led_name[32];
 #endif
 
-#ifdef CONFIG_MAC80211_DEBUGFS
-        struct work_struct sta_debugfs_add;
-#endif
-
 #ifdef CONFIG_MAC80211_DEBUG_COUNTERS
         /* TX/RX handler statistics */
         unsigned int tx_handlers_drop;
@@ -807,7 +807,22 @@ struct ieee80211_local {
         int wifi_wme_noack_test;
         unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */
 
+        /*
+         * Bitmask of enabled u-apsd queues,
+         * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association
+         * to take effect.
+         */
+        unsigned int uapsd_queues;
+
+        /*
+         * Maximum number of buffered frames AP can deliver during a
+         * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar.
+         * Needs a new association to take effect.
+         */
+        unsigned int uapsd_max_sp_len;
+
         bool pspolling;
+        bool offchannel_ps_enabled;
         /*
          * PS can only be enabled when we have exactly one managed
          * interface (and monitors) in PS, this then points there.
@@ -821,58 +836,13 @@ struct ieee80211_local {
         int user_power_level; /* in dBm */
         int power_constr_level; /* in dBm */
 
+        enum ieee80211_smps_mode smps_mode;
+
         struct work_struct restart_work;
 
 #ifdef CONFIG_MAC80211_DEBUGFS
         struct local_debugfsdentries {
                 struct dentry *rcdir;
-                struct dentry *rcname;
-                struct dentry *frequency;
-                struct dentry *total_ps_buffered;
-                struct dentry *wep_iv;
-                struct dentry *tsf;
-                struct dentry *queues;
-                struct dentry *reset;
-                struct dentry *noack;
-                struct dentry *statistics;
-                struct local_debugfsdentries_statsdentries {
-                        struct dentry *transmitted_fragment_count;
-                        struct dentry *multicast_transmitted_frame_count;
-                        struct dentry *failed_count;
-                        struct dentry *retry_count;
-                        struct dentry *multiple_retry_count;
-                        struct dentry *frame_duplicate_count;
-                        struct dentry *received_fragment_count;
-                        struct dentry *multicast_received_frame_count;
-                        struct dentry *transmitted_frame_count;
-                        struct dentry *wep_undecryptable_count;
-                        struct dentry *num_scans;
-#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
-                        struct dentry *tx_handlers_drop;
-                        struct dentry *tx_handlers_queued;
-                        struct dentry *tx_handlers_drop_unencrypted;
-                        struct dentry *tx_handlers_drop_fragment;
-                        struct dentry *tx_handlers_drop_wep;
-                        struct dentry *tx_handlers_drop_not_assoc;
-                        struct dentry *tx_handlers_drop_unauth_port;
-                        struct dentry *rx_handlers_drop;
-                        struct dentry *rx_handlers_queued;
-                        struct dentry *rx_handlers_drop_nullfunc;
-                        struct dentry *rx_handlers_drop_defrag;
-                        struct dentry *rx_handlers_drop_short;
-                        struct dentry *rx_handlers_drop_passive_scan;
-                        struct dentry *tx_expand_skb_head;
-                        struct dentry *tx_expand_skb_head_cloned;
-                        struct dentry *rx_expand_skb_head;
-                        struct dentry *rx_expand_skb_head2;
-                        struct dentry *rx_handlers_fragments;
-                        struct dentry *tx_status_drop;
-#endif
-                        struct dentry *dot11ACKFailureCount;
-                        struct dentry *dot11RTSFailureCount;
-                        struct dentry *dot11FCSErrorCount;
-                        struct dentry *dot11RTSSuccessCount;
-                } stats;
                 struct dentry *stations;
                 struct dentry *keys;
         } debugfs;
@@ -885,8 +855,9 @@ IEEE80211_DEV_TO_SUB_IF(struct net_device *dev)
         return netdev_priv(dev);
 }
 
-/* this struct represents 802.11n's RA/TID combination */
+/* this struct represents 802.11n's RA/TID combination along with our vif */
 struct ieee80211_ra_tid {
+        struct ieee80211_vif *vif;
         u8 ra[ETH_ALEN];
         u16 tid;
 };
@@ -913,12 +884,13 @@ struct ieee802_11_elems {
         u8 *wmm_param;
         struct ieee80211_ht_cap *ht_cap_elem;
         struct ieee80211_ht_info *ht_info_elem;
-        u8 *mesh_config;
+        struct ieee80211_meshconf_ie *mesh_config;
         u8 *mesh_id;
         u8 *peer_link;
         u8 *preq;
         u8 *prep;
         u8 *perr;
+        struct ieee80211_rann_ie *rann;
         u8 *ch_switch_elem;
         u8 *country_elem;
         u8 *pwr_constr_elem;
@@ -940,7 +912,6 @@ struct ieee802_11_elems {
         u8 ext_supp_rates_len;
         u8 wmm_info_len;
         u8 wmm_param_len;
-        u8 mesh_config_len;
         u8 mesh_id_len;
         u8 peer_link_len;
         u8 preq_len;
@@ -981,6 +952,8 @@ void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
 void ieee80211_configure_filter(struct ieee80211_local *local);
 u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata);
 
+extern bool ieee80211_disable_40mhz_24ghz;
+
 /* STA code */
 void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata);
 int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
@@ -993,6 +966,10 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
 int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata,
                            struct cfg80211_disassoc_request *req,
                            void *cookie);
+int ieee80211_mgd_action(struct ieee80211_sub_if_data *sdata,
+                         struct ieee80211_channel *chan,
+                         enum nl80211_channel_type channel_type,
+                         const u8 *buf, size_t len, u64 *cookie);
 ieee80211_rx_result ieee80211_sta_rx_mgmt(struct ieee80211_sub_if_data *sdata,
                                           struct sk_buff *skb);
 void ieee80211_send_pspoll(struct ieee80211_local *local,
@@ -1012,7 +989,8 @@ void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata);
 ieee80211_rx_result
 ieee80211_ibss_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb);
 struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata,
-                                        u8 *bssid, u8 *addr, u32 supp_rates);
+                                        u8 *bssid, u8 *addr, u32 supp_rates,
+                                        gfp_t gfp);
 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);
@@ -1044,7 +1022,15 @@ ieee80211_rx_bss_get(struct ieee80211_local *local, u8 *bssid, int freq,
 void ieee80211_rx_bss_put(struct ieee80211_local *local,
                           struct ieee80211_bss *bss);
 
+/* off-channel helpers */
+void ieee80211_offchannel_stop_beaconing(struct ieee80211_local *local);
+void ieee80211_offchannel_stop_station(struct ieee80211_local *local);
+void ieee80211_offchannel_return(struct ieee80211_local *local,
+                                 bool enable_beaconing);
+
 /* interface handling */
+int ieee80211_iface_init(void);
+void ieee80211_iface_exit(void);
 int ieee80211_if_add(struct ieee80211_local *local, const char *name,
                      struct net_device **new_dev, enum nl80211_iftype type,
                      struct vif_params *params);
@@ -1055,6 +1041,11 @@ void ieee80211_remove_interfaces(struct ieee80211_local *local);
 u32 __ieee80211_recalc_idle(struct ieee80211_local *local);
 void ieee80211_recalc_idle(struct ieee80211_local *local);
 
+static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata)
+{
+        return netif_running(sdata->dev);
+}
+
 /* tx handling */
 void ieee80211_clear_tx_pending(struct ieee80211_local *local);
 void ieee80211_tx_pending(unsigned long data);
@@ -1063,6 +1054,18 @@ netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb,
 netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
                                        struct net_device *dev);
 
+/*
+ * radiotap header for status frames
+ */
+struct ieee80211_tx_status_rtap_hdr {
+        struct ieee80211_radiotap_header hdr;
+        u8 rate;
+        u8 padding_for_rate;
+        __le16 tx_flags;
+        u8 data_retries;
+} __attribute__ ((packed));
+
+
 /* HT */
 void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_supported_band *sband,
                                        struct ieee80211_ht_cap *ht_cap_ie,
@@ -1071,6 +1074,9 @@ void ieee80211_send_bar(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid, u1
 void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata,
                           const u8 *da, u16 tid,
                           u16 initiator, u16 reason_code);
+int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata,
+                               enum ieee80211_smps_mode smps, const u8 *da,
+                               const u8 *bssid);
 
 void ieee80211_sta_stop_rx_ba_session(struct ieee80211_sub_if_data *sdata, u8 *da,
                                 u16 tid, u16 initiator, u16 reason);
@@ -1132,8 +1138,7 @@ void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int ke
                                      struct ieee80211_hdr *hdr, const u8 *tsc,
                                      gfp_t gfp);
 void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata);
-void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
-                      int encrypt);
+void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb);
 void ieee802_11_parse_elems(u8 *start, size_t len,
                             struct ieee802_11_elems *elems);
 u32 ieee802_11_parse_elems_crc(u8 *start, size_t len,
@@ -1170,7 +1175,8 @@ void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
                          u8 *extra, size_t extra_len, const u8 *bssid,
                          const u8 *key, u8 key_len, u8 key_idx);
 int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
-                             const u8 *ie, size_t ie_len);
+                             const u8 *ie, size_t ie_len,
+                             enum ieee80211_band band);
 void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
                               const u8 *ssid, size_t ssid_len,
                               const u8 *ie, size_t ie_len);
@@ -1181,6 +1187,28 @@ void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata,
 u32 ieee80211_sta_get_rates(struct ieee80211_local *local,
                             struct ieee802_11_elems *elems,
                             enum ieee80211_band band);
+int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
+                             enum ieee80211_smps_mode smps_mode);
+void ieee80211_recalc_smps(struct ieee80211_local *local,
+                           struct ieee80211_sub_if_data *forsdata);
+
+size_t ieee80211_ie_split(const u8 *ies, size_t ielen,
+                          const u8 *ids, int n_ids, size_t offset);
+size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset);
+
+/* internal work items */
+void ieee80211_work_init(struct ieee80211_local *local);
+void ieee80211_add_work(struct ieee80211_work *wk);
+void free_work(struct ieee80211_work *wk);
+void ieee80211_work_purge(struct ieee80211_sub_if_data *sdata);
+ieee80211_rx_result ieee80211_work_rx_mgmt(struct ieee80211_sub_if_data *sdata,
+                                           struct sk_buff *skb);
+int ieee80211_wk_remain_on_channel(struct ieee80211_sub_if_data *sdata,
+                                   struct ieee80211_channel *chan,
+                                   enum nl80211_channel_type channel_type,
+                                   unsigned int duration, u64 *cookie);
+int ieee80211_wk_cancel_remain_on_channel(
+        struct ieee80211_sub_if_data *sdata, u64 cookie);
 
 #ifdef CONFIG_MAC80211_NOINLINE
 #define debug_noinline noinline