#include <linux/spinlock.h>
#include <linux/etherdevice.h>
#include <net/cfg80211.h>
-#include <net/iw_handler.h>
#include <net/mac80211.h>
#include "key.h"
#include "sta_info.h"
u8 flags;
};
+enum ieee80211_mgd_state {
+ IEEE80211_MGD_STATE_IDLE,
+ IEEE80211_MGD_STATE_PROBE,
+ IEEE80211_MGD_STATE_AUTH,
+ IEEE80211_MGD_STATE_ASSOC,
+};
+
+struct ieee80211_mgd_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;
+ unsigned long timeout;
+ enum ieee80211_mgd_state state;
+ u16 auth_alg, auth_transaction;
+
+ int tries;
+
+ u8 key[WLAN_KEY_LEN_WEP104];
+ u8 key_len, key_idx;
+
+ /* must be last */
+ u8 ie[0]; /* for auth or assoc frame, not probe */
+};
+
/* flags used in struct ieee80211_if_managed.flags */
enum ieee80211_sta_flags {
- IEEE80211_STA_PREV_BSSID_SET = BIT(0),
- IEEE80211_STA_AUTHENTICATED = BIT(1),
- IEEE80211_STA_ASSOCIATED = BIT(2),
- IEEE80211_STA_PROBEREQ_POLL = BIT(3),
- IEEE80211_STA_CONTROL_PORT = BIT(4),
- IEEE80211_STA_WMM_ENABLED = BIT(5),
- IEEE80211_STA_DISABLE_11N = BIT(6),
- IEEE80211_STA_CSA_RECEIVED = BIT(7),
- IEEE80211_STA_MFP_ENABLED = BIT(8),
+ 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_REQ_AUTH,
- IEEE80211_STA_REQ_RUN,
};
struct ieee80211_if_managed {
struct timer_list timer;
+ struct timer_list conn_mon_timer;
+ struct timer_list bcn_mon_timer;
struct timer_list chswitch_timer;
struct work_struct work;
+ struct work_struct monitor_work;
struct work_struct chswitch_work;
struct work_struct beacon_loss_work;
- u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN];
+ unsigned long probe_timeout;
+ int probe_send_count;
- u8 ssid[IEEE80211_MAX_SSID_LEN];
- size_t ssid_len;
+ struct mutex mtx;
+ struct ieee80211_bss *associated;
+ struct ieee80211_mgd_work *old_associate_work;
+ struct list_head work_list;
- enum {
- IEEE80211_STA_MLME_DISABLED,
- IEEE80211_STA_MLME_DIRECT_PROBE,
- IEEE80211_STA_MLME_AUTHENTICATE,
- IEEE80211_STA_MLME_ASSOCIATE,
- IEEE80211_STA_MLME_ASSOCIATED,
- } state;
+ u8 bssid[ETH_ALEN];
u16 aid;
u16 capab;
- u8 *extra_ie; /* to be added to the end of AssocReq */
- size_t extra_ie_len;
-
- /* The last AssocReq/Resp IEs */
- u8 *assocreq_ies, *assocresp_ies;
- size_t assocreq_ies_len, assocresp_ies_len;
struct sk_buff_head skb_queue;
- int assoc_scan_tries; /* number of scans done pre-association */
- int direct_probe_tries; /* retries for direct probes */
- int auth_tries; /* retries for auth req */
- int assoc_tries; /* retries for assoc req */
-
unsigned long timers_running; /* used for quiesce/restart */
bool powersave; /* powersave requested for this iface */
unsigned long request;
- unsigned long last_beacon;
-
unsigned int flags;
- int auth_alg; /* currently used IEEE 802.11 authentication algorithm */
- int auth_transaction;
-
u32 beacon_crc;
enum {
} mfp; /* management frame protection */
int wmm_last_param_set;
-
- /* Extra IE data for management frames */
- u8 *sme_auth_ie;
- size_t sme_auth_ie_len;
};
enum ieee80211_ibss_request {
bool fixed_bssid;
bool fixed_channel;
+ bool privacy;
u8 bssid[ETH_ALEN];
u8 ssid[IEEE80211_MAX_SSID_LEN];
unsigned long timers_running;
- bool housekeeping;
+ unsigned long wrkq_flags;
u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN];
size_t mesh_id_len;
union {
struct {
struct dentry *drop_unencrypted;
- struct dentry *state;
struct dentry *bssid;
- struct dentry *prev_bssid;
- struct dentry *ssid_len;
struct dentry *aid;
struct dentry *capab;
- struct dentry *extra_ie_len;
- struct dentry *auth_tries;
- struct dentry *assoc_tries;
- struct dentry *auth_alg;
- struct dentry *auth_transaction;
- struct dentry *flags;
struct dentry *force_unicast_rateidx;
struct dentry *max_ratectrl_rateidx;
} sta;
IEEE80211_QUEUE_STOP_REASON_CSA,
IEEE80211_QUEUE_STOP_REASON_AGGREGATION,
IEEE80211_QUEUE_STOP_REASON_SUSPEND,
- IEEE80211_QUEUE_STOP_REASON_PENDING,
IEEE80211_QUEUE_STOP_REASON_SKB_ADD,
};
-struct ieee80211_master_priv {
- struct ieee80211_local *local;
+/**
+ * mac80211 scan flags - currently active scan mode
+ *
+ * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as
+ * well be on the operating channel
+ * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to
+ * determine if we are on the operating channel or not
+ * @SCAN_OFF_CHANNEL: We're off our operating channel for scanning,
+ * gets only set in conjunction with SCAN_SW_SCANNING
+ */
+enum {
+ SCAN_SW_SCANNING,
+ SCAN_HW_SCANNING,
+ SCAN_OFF_CHANNEL,
+};
+
+/**
+ * enum mac80211_scan_state - scan state machine states
+ *
+ * @SCAN_DECISION: Main entry point to the scan state machine, this state
+ * determines if we should keep on scanning or switch back to the
+ * operating channel
+ * @SCAN_SET_CHANNEL: Set the next channel to be scanned
+ * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses
+ * @SCAN_LEAVE_OPER_CHANNEL: Leave the operating channel, notify the AP
+ * about us leaving the channel and stop all associated STA interfaces
+ * @SCAN_ENTER_OPER_CHANNEL: Enter the operating channel again, notify the
+ * AP about us being back and restart all associated STA interfaces
+ */
+enum mac80211_scan_state {
+ SCAN_DECISION,
+ SCAN_SET_CHANNEL,
+ SCAN_SEND_PROBE,
+ SCAN_LEAVE_OPER_CHANNEL,
+ SCAN_ENTER_OPER_CHANNEL,
};
struct ieee80211_local {
const struct ieee80211_ops *ops;
+ /*
+ * private workqueue to mac80211. mac80211 makes this accessible
+ * via ieee80211_queue_work()
+ */
+ struct workqueue_struct *workqueue;
+
unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES];
/* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */
spinlock_t queue_stop_reason_lock;
- struct net_device *mdev; /* wmaster# - "master" 802.11 device */
int open_count;
int monitors, cooked_mntrs;
/* number of interfaces with corresponding FIF_ flags */
- int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss;
+ 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;
+
+ /* aggregated multicast list */
+ struct dev_addr_list *mc_list;
+ int mc_count;
+
bool tim_in_locked_section; /* see ieee80211_beacon_get() */
/*
struct list_head sta_list;
struct sta_info *sta_hash[STA_HASH_SIZE];
struct timer_list sta_cleanup;
+ int sta_generation;
struct sk_buff_head pending[IEEE80211_MAX_QUEUES];
struct tasklet_struct tx_pending_tasklet;
/* Scanning and BSS list */
struct mutex scan_mtx;
- bool sw_scanning, hw_scanning;
+ unsigned long scanning;
struct cfg80211_ssid scan_ssid;
- struct cfg80211_scan_request int_scan_req;
+ struct cfg80211_scan_request *int_scan_req;
struct cfg80211_scan_request *scan_req;
struct ieee80211_channel *scan_channel;
const u8 *orig_ies;
int scan_channel_idx;
int scan_ies_len;
- enum { SCAN_SET_CHANNEL, SCAN_SEND_PROBE } scan_state;
+ enum mac80211_scan_state next_scan_state;
struct delayed_work scan_work;
struct ieee80211_sub_if_data *scan_sdata;
enum nl80211_channel_type oper_channel_type;
static inline struct ieee80211_sub_if_data *
IEEE80211_DEV_TO_SUB_IF(struct net_device *dev)
{
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-
- BUG_ON(!local || local->mdev == dev);
-
return netdev_priv(dev);
}
void ieee80211_configure_filter(struct ieee80211_local *local);
u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata);
-/* wireless extensions */
-extern const struct iw_handler_def ieee80211_iw_handler_def;
-
/* STA code */
void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata);
+int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
+ struct cfg80211_auth_request *req);
+int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
+ struct cfg80211_assoc_request *req);
+int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
+ struct cfg80211_deauth_request *req,
+ void *cookie);
+int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata,
+ struct cfg80211_disassoc_request *req,
+ void *cookie);
ieee80211_rx_result ieee80211_sta_rx_mgmt(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb);
-void ieee80211_sta_req_auth(struct ieee80211_sub_if_data *sdata);
-int ieee80211_sta_deauthenticate(struct ieee80211_sub_if_data *sdata, u16 reason);
-int ieee80211_sta_disassociate(struct ieee80211_sub_if_data *sdata, u16 reason);
void ieee80211_send_pspoll(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata);
void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency);
void ieee80211_scan_cancel(struct ieee80211_local *local);
ieee80211_rx_result
ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb);
-int ieee80211_sta_set_extra_ie(struct ieee80211_sub_if_data *sdata,
- const char *ie, size_t len);
void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local);
struct ieee80211_bss *
u8 *ssid, u8 ssid_len);
void ieee80211_rx_bss_put(struct ieee80211_local *local,
struct ieee80211_bss *bss);
-void ieee80211_rx_bss_remove(struct ieee80211_sub_if_data *sdata, u8 *bssid,
- int freq, u8 *ssid, u8 ssid_len);
/* interface handling */
int ieee80211_if_add(struct ieee80211_local *local, const char *name,
/* tx handling */
void ieee80211_clear_tx_pending(struct ieee80211_local *local);
void ieee80211_tx_pending(unsigned long data);
-int ieee80211_master_start_xmit(struct sk_buff *skb, struct net_device *dev);
int ieee80211_monitor_start_xmit(struct sk_buff *skb, struct net_device *dev);
int ieee80211_subif_start_xmit(struct sk_buff *skb, struct net_device *dev);
void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
u16 transaction, u16 auth_alg,
- u8 *extra, size_t extra_len,
- const u8 *bssid, int encrypt);
+ 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);
void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
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