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Diffstat (limited to 'net/mac80211/sta_info.h')
-rw-r--r--net/mac80211/sta_info.h44
1 files changed, 40 insertions, 4 deletions
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index c5923ab8a070..15b3bb7d8629 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -30,7 +30,6 @@
* when virtual port control is not in use.
* @WLAN_STA_SHORT_PREAMBLE: Station is capable of receiving short-preamble
* frames.
- * @WLAN_STA_ASSOC_AP: We're associated to that station, it is an AP.
* @WLAN_STA_WME: Station is a QoS-STA.
* @WLAN_STA_WDS: Station is one of our WDS peers.
* @WLAN_STA_CLEAR_PS_FILT: Clear PS filter in hardware (using the
@@ -60,7 +59,6 @@ enum ieee80211_sta_info_flags {
WLAN_STA_PS_STA,
WLAN_STA_AUTHORIZED,
WLAN_STA_SHORT_PREAMBLE,
- WLAN_STA_ASSOC_AP,
WLAN_STA_WME,
WLAN_STA_WDS,
WLAN_STA_CLEAR_PS_FILT,
@@ -75,6 +73,14 @@ enum ieee80211_sta_info_flags {
WLAN_STA_4ADDR_EVENT,
};
+enum ieee80211_sta_state {
+ /* NOTE: These need to be ordered correctly! */
+ IEEE80211_STA_NONE,
+ IEEE80211_STA_AUTH,
+ IEEE80211_STA_ASSOC,
+ IEEE80211_STA_AUTHORIZED,
+};
+
#define STA_TID_NUM 16
#define ADDBA_RESP_INTERVAL HZ
#define HT_AGG_MAX_RETRIES 0x3
@@ -90,6 +96,7 @@ enum ieee80211_sta_info_flags {
* struct tid_ampdu_tx - TID aggregation information (Tx).
*
* @rcu_head: rcu head for freeing structure
+ * @session_timer: check if we keep Tx-ing on the TID (by timeout value)
* @addba_resp_timer: timer for peer's response to addba request
* @pending: pending frames queue -- use sta's spinlock to protect
* @dialog_token: dialog token for aggregation session
@@ -112,6 +119,7 @@ enum ieee80211_sta_info_flags {
*/
struct tid_ampdu_tx {
struct rcu_head rcu_head;
+ struct timer_list session_timer;
struct timer_list addba_resp_timer;
struct sk_buff_head pending;
unsigned long state;
@@ -262,6 +270,7 @@ struct sta_ampdu_mlme {
* @dummy: indicate a dummy station created for receiving
* EAP frames before association
* @sta: station information we share with the driver
+ * @sta_state: duplicates information about station state (for debug)
*/
struct sta_info {
/* General information, mostly static */
@@ -283,6 +292,8 @@ struct sta_info {
bool uploaded;
+ enum ieee80211_sta_state sta_state;
+
/* use the accessors defined below */
unsigned long _flags;
@@ -371,12 +382,18 @@ static inline enum nl80211_plink_state sta_plink_state(struct sta_info *sta)
static inline void set_sta_flag(struct sta_info *sta,
enum ieee80211_sta_info_flags flag)
{
+ WARN_ON(flag == WLAN_STA_AUTH ||
+ flag == WLAN_STA_ASSOC ||
+ flag == WLAN_STA_AUTHORIZED);
set_bit(flag, &sta->_flags);
}
static inline void clear_sta_flag(struct sta_info *sta,
enum ieee80211_sta_info_flags flag)
{
+ WARN_ON(flag == WLAN_STA_AUTH ||
+ flag == WLAN_STA_ASSOC ||
+ flag == WLAN_STA_AUTHORIZED);
clear_bit(flag, &sta->_flags);
}
@@ -389,15 +406,32 @@ static inline int test_sta_flag(struct sta_info *sta,
static inline int test_and_clear_sta_flag(struct sta_info *sta,
enum ieee80211_sta_info_flags flag)
{
+ WARN_ON(flag == WLAN_STA_AUTH ||
+ flag == WLAN_STA_ASSOC ||
+ flag == WLAN_STA_AUTHORIZED);
return test_and_clear_bit(flag, &sta->_flags);
}
static inline int test_and_set_sta_flag(struct sta_info *sta,
enum ieee80211_sta_info_flags flag)
{
+ WARN_ON(flag == WLAN_STA_AUTH ||
+ flag == WLAN_STA_ASSOC ||
+ flag == WLAN_STA_AUTHORIZED);
return test_and_set_bit(flag, &sta->_flags);
}
+int sta_info_move_state_checked(struct sta_info *sta,
+ enum ieee80211_sta_state new_state);
+
+static inline void sta_info_move_state(struct sta_info *sta,
+ enum ieee80211_sta_state new_state)
+{
+ int ret = sta_info_move_state_checked(sta, new_state);
+ WARN_ON_ONCE(ret);
+}
+
+
void ieee80211_assign_tid_tx(struct sta_info *sta, int tid,
struct tid_ampdu_tx *tid_tx);
@@ -488,7 +522,10 @@ struct sta_info *sta_info_get_by_idx(struct ieee80211_sub_if_data *sdata,
* until sta_info_insert().
*/
struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata,
- u8 *addr, gfp_t gfp);
+ const u8 *addr, gfp_t gfp);
+
+void sta_info_free(struct ieee80211_local *local, struct sta_info *sta);
+
/*
* Insert STA info into hash table/list, returns zero or a
* -EEXIST if (if the same MAC address is already present).
@@ -499,7 +536,6 @@ struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata,
*/
int sta_info_insert(struct sta_info *sta);
int sta_info_insert_rcu(struct sta_info *sta) __acquires(RCU);
-int sta_info_insert_atomic(struct sta_info *sta);
int sta_info_reinsert(struct sta_info *sta);
int sta_info_destroy_addr(struct ieee80211_sub_if_data *sdata,