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];
u8 flags;
};
-enum ieee80211_mgd_state {
- IEEE80211_MGD_STATE_INVALID,
- 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,
+};
+
+/**
+ * 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_mgd_work {
+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;
+ } assoc;
+ struct {
+ u32 duration;
+ bool started;
+ } 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 */
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,
-};
-
struct ieee80211_if_managed {
struct timer_list timer;
struct timer_list conn_mon_timer;
int probe_send_count;
struct mutex mtx;
- struct ieee80211_bss *associated;
- struct list_head work_list;
+ struct cfg80211_bss *associated;
u8 bssid[ETH_ALEN];
u16 aid;
- u16 capab;
struct sk_buff_head skb_queue;
enum ieee80211_smps_mode req_smps, /* requested smps mode */
ap_smps; /* smps mode AP thinks we're in */
- unsigned long request;
-
unsigned int flags;
u32 beacon_crc;
*/
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;
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()
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;
unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */
bool pspolling;
- bool scan_ps_enabled;
+ bool offchannel_ps_enabled;
/*
* PS can only be enabled when we have exactly one managed
* interface (and monitors) in PS, this then points there.
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);
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
#else
projects / mirror_ubuntu-artful-kernel.git / blobdiff