#include <linux/types.h>
#include <linux/spinlock.h>
#include <linux/etherdevice.h>
+#include <linux/leds.h>
#include <net/ieee80211_radiotap.h>
#include <net/cfg80211.h>
#include <net/mac80211.h>
* increased memory use (about 2 kB of RAM per entry). */
#define IEEE80211_FRAGMENT_MAX 4
-/*
- * Time after which we ignore scan results and no longer report/use
- * them in any way.
- */
-#define IEEE80211_SCAN_RESULT_EXPIRE (10 * HZ)
-
#define TU_TO_EXP_TIME(x) (jiffies + usecs_to_jiffies((x) * 1024))
#define IEEE80211_DEFAULT_UAPSD_QUEUES \
size_t supp_rates_len;
/*
- * During assocation, we save an ERP value from a probe response so
+ * During association, we save an ERP value from a probe response so
* that we can feed ERP info to the driver when handling the
* association completes. these fields probably won't be up-to-date
* otherwise, you probably don't want to use them.
#define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u)
#define RX_QUEUED ((__force ieee80211_rx_result) 3u)
-#define IEEE80211_RX_IN_SCAN BIT(0)
-/* 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_FRAGMENTED BIT(3)
-/* only add flags here that do not change with subframes of an aMPDU */
+/**
+ * enum ieee80211_packet_rx_flags - packet RX flags
+ * @IEEE80211_RX_RA_MATCH: frame is destined to interface currently processed
+ * (incl. multicast frames)
+ * @IEEE80211_RX_IN_SCAN: received while scanning
+ * @IEEE80211_RX_FRAGMENTED: fragmented frame
+ * @IEEE80211_RX_AMSDU: a-MSDU packet
+ * @IEEE80211_RX_MALFORMED_ACTION_FRM: action frame is malformed
+ * @IEEE80211_RX_DEFERRED_RELEASE: frame was subjected to receive reordering
+ *
+ * These are per-frame flags that are attached to a frame in the
+ * @rx_flags field of &struct ieee80211_rx_status.
+ */
+enum ieee80211_packet_rx_flags {
+ IEEE80211_RX_IN_SCAN = BIT(0),
+ IEEE80211_RX_RA_MATCH = BIT(1),
+ IEEE80211_RX_FRAGMENTED = BIT(2),
+ IEEE80211_RX_AMSDU = BIT(3),
+ IEEE80211_RX_MALFORMED_ACTION_FRM = BIT(4),
+ IEEE80211_RX_DEFERRED_RELEASE = BIT(5),
+};
+
+/**
+ * enum ieee80211_rx_flags - RX data flags
+ *
+ * @IEEE80211_RX_CMNTR: received on cooked monitor already
+ *
+ * These flags are used across handling multiple interfaces
+ * for a single frame.
+ */
+enum ieee80211_rx_flags {
+ IEEE80211_RX_CMNTR = BIT(0),
+};
struct ieee80211_rx_data {
struct sk_buff *skb;
struct sk_buff_head ps_bc_buf;
atomic_t num_sta_ps; /* number of stations in PS mode */
int dtim_count;
+ bool dtim_bc_mc;
};
struct ieee80211_if_wds {
IEEE80211_WORK_ASSOC_BEACON_WAIT,
IEEE80211_WORK_ASSOC,
IEEE80211_WORK_REMAIN_ON_CHANNEL,
+ IEEE80211_WORK_OFFCHANNEL_TX,
};
/**
struct {
u32 duration;
} remain;
+ struct {
+ struct sk_buff *frame;
+ u32 wait;
+ } offchan_tx;
};
int ie_len;
struct work_struct chswitch_work;
struct work_struct beacon_connection_loss_work;
+ unsigned long beacon_timeout;
unsigned long probe_timeout;
int probe_send_count;
+ bool nullfunc_failed;
struct mutex mtx;
struct cfg80211_bss *associated;
unsigned int flags;
+ bool beacon_crc_valid;
u32 beacon_crc;
enum {
*/
int ave_beacon_signal;
+ /*
+ * Number of Beacon frames used in ave_beacon_signal. This can be used
+ * to avoid generating less reliable cqm events that would be based
+ * only on couple of received frames.
+ */
+ unsigned int count_beacon_signal;
+
/*
* Last Beacon frame signal strength average (ave_beacon_signal / 16)
* that triggered a cqm event. 0 indicates that no event has been
struct mesh_config mshcfg;
u32 mesh_seqnum;
bool accepting_plinks;
+ const u8 *ie;
+ u8 ie_len;
+ bool is_secure;
};
#ifdef CONFIG_MAC80211_MESH
IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3),
};
+/**
+ * enum ieee80211_sdata_state_bits - virtual interface state bits
+ * @SDATA_STATE_RUNNING: virtual interface is up & running; this
+ * mirrors netif_running() but is separate for interface type
+ * change handling while the interface is up
+ * @SDATA_STATE_OFFCHANNEL: This interface is currently in offchannel
+ * mode, so queues are stopped
+ */
+enum ieee80211_sdata_state_bits {
+ SDATA_STATE_RUNNING,
+ SDATA_STATE_OFFCHANNEL,
+};
+
struct ieee80211_sub_if_data {
struct list_head list;
unsigned int flags;
+ unsigned long state;
+
int drop_unencrypted;
char name[IFNAMSIZ];
struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX];
unsigned int fragment_next;
-#define NUM_DEFAULT_KEYS 4
-#define NUM_DEFAULT_MGMT_KEYS 2
struct ieee80211_key *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS];
- struct ieee80211_key *default_key;
+ struct ieee80211_key *default_unicast_key, *default_multicast_key;
struct ieee80211_key *default_mgmt_key;
u16 sequence_number;
+ __be16 control_port_protocol;
+ bool control_port_no_encrypt;
struct work_struct work;
struct sk_buff_head skb_queue;
struct ieee80211_if_vlan vlan;
struct ieee80211_if_managed mgd;
struct ieee80211_if_ibss ibss;
-#ifdef CONFIG_MAC80211_MESH
struct ieee80211_if_mesh mesh;
-#endif
u32 mntr_flags;
} u;
#ifdef CONFIG_MAC80211_DEBUGFS
struct {
struct dentry *dir;
- struct dentry *default_key;
+ struct dentry *subdir_stations;
+ struct dentry *default_unicast_key;
+ struct dentry *default_multicast_key;
struct dentry *default_mgmt_key;
} debugfs;
#endif
return container_of(p, struct ieee80211_sub_if_data, vif);
}
-static inline void
-ieee80211_sdata_set_mesh_id(struct ieee80211_sub_if_data *sdata,
- u8 mesh_id_len, u8 *mesh_id)
-{
-#ifdef CONFIG_MAC80211_MESH
- struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
- ifmsh->mesh_id_len = mesh_id_len;
- memcpy(ifmsh->mesh_id, mesh_id, mesh_id_len);
-#else
- WARN_ON(1);
-#endif
-}
-
enum sdata_queue_type {
IEEE80211_SDATA_QUEUE_TYPE_FRAME = 0,
IEEE80211_SDATA_QUEUE_AGG_START = 1,
IEEE80211_QUEUE_STOP_REASON_SKB_ADD,
};
+#ifdef CONFIG_MAC80211_LEDS
+struct tpt_led_trigger {
+ struct led_trigger trig;
+ char name[32];
+ const struct ieee80211_tpt_blink *blink_table;
+ unsigned int blink_table_len;
+ struct timer_list timer;
+ unsigned long prev_traffic;
+ unsigned long tx_bytes, rx_bytes;
+ unsigned int active, want;
+ bool running;
+};
+#endif
+
/**
* mac80211 scan flags - currently active scan mode
*
* 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
+ * @SCAN_COMPLETED: Set for our scan work function when the driver reported
+ * that the scan completed.
+ * @SCAN_ABORTED: Set for our scan work function when the driver reported
+ * a scan complete for an aborted scan.
*/
enum {
SCAN_SW_SCANNING,
SCAN_HW_SCANNING,
- SCAN_OFF_CHANNEL,
+ SCAN_COMPLETED,
+ SCAN_ABORTED,
};
/**
int open_count;
int monitors, cooked_mntrs;
/* number of interfaces with corresponding FIF_ flags */
- int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll;
+ int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll,
+ fif_probe_req;
+ int probe_req_reg;
unsigned int filter_flags; /* FIF_* */
+ bool wiphy_ciphers_allocated;
+
/* protects the aggregated multicast list and filter calls */
spinlock_t filter_lock;
int tx_headroom; /* required headroom for hardware/radiotap */
+ /* count for keys needing tailroom space allocation */
+ int crypto_tx_tailroom_needed_cnt;
+
/* Tasklet and skb queue to process calls from IRQ mode. All frames
* added to skb_queue will be processed, but frames in
* skb_queue_unreliable may be dropped if the total length of these
struct sk_buff_head skb_queue;
struct sk_buff_head skb_queue_unreliable;
+ /*
+ * Internal FIFO queue which is shared between multiple rx path
+ * stages. Its main task is to provide a serialization mechanism,
+ * so all rx handlers can enjoy having exclusive access to their
+ * private data structures.
+ */
+ struct sk_buff_head rx_skb_queue;
+ bool running_rx_handler; /* protected by rx_skb_queue.lock */
+
/* Station data */
/*
* The mutex only protects the list and counter,
struct rate_control_ref *rate_ctrl;
- struct crypto_blkcipher *wep_tx_tfm;
- struct crypto_blkcipher *wep_rx_tfm;
+ struct crypto_cipher *wep_tx_tfm;
+ struct crypto_cipher *wep_rx_tfm;
u32 wep_iv;
/* see iface.c */
#ifdef CONFIG_MAC80211_LEDS
int tx_led_counter, rx_led_counter;
struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led;
+ struct tpt_led_trigger *tpt_led_trigger;
char tx_led_name[32], rx_led_name[32],
assoc_led_name[32], radio_led_name[32];
#endif
#ifdef CONFIG_MAC80211_DEBUGFS
struct local_debugfsdentries {
struct dentry *rcdir;
- struct dentry *stations;
struct dentry *keys;
} debugfs;
#endif
+ struct ieee80211_channel *hw_roc_channel;
+ struct net_device *hw_roc_dev;
+ struct sk_buff *hw_roc_skb, *hw_roc_skb_for_status;
+ struct work_struct hw_roc_start, hw_roc_done;
+ enum nl80211_channel_type hw_roc_channel_type;
+ unsigned int hw_roc_duration;
+ u32 hw_roc_cookie;
+ bool hw_roc_for_tx;
+ unsigned long hw_offchan_tx_cookie;
+
/* dummy netdev for use w/ NAPI */
struct net_device napi_dev;
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,
void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata);
void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb);
+void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata);
+void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata);
/* IBSS code */
void ieee80211_ibss_notify_scan_completed(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);
+bool ieee80211_cfg_on_oper_channel(struct ieee80211_local *local);
+void ieee80211_offchannel_enable_all_ps(struct ieee80211_local *local,
+ bool tell_ap);
+void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local,
+ bool offchannel_ps_enable);
void ieee80211_offchannel_return(struct ieee80211_local *local,
- bool enable_beaconing);
+ bool enable_beaconing,
+ bool offchannel_ps_disable);
+void ieee80211_hw_roc_setup(struct ieee80211_local *local);
/* interface handling */
int ieee80211_iface_init(void);
void ieee80211_remove_interfaces(struct ieee80211_local *local);
u32 __ieee80211_recalc_idle(struct ieee80211_local *local);
void ieee80211_recalc_idle(struct ieee80211_local *local);
+void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata,
+ const int offset);
static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata)
{
- return netif_running(sdata->dev);
+ return test_bit(SDATA_STATE_RUNNING, &sdata->state);
}
/* tx handling */
void ieee80211_request_smps_work(struct work_struct *work);
void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
- u16 initiator, u16 reason);
+ u16 initiator, u16 reason, bool stop);
void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
- u16 initiator, u16 reason);
-void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta);
+ u16 initiator, u16 reason, bool stop);
+void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, bool tx);
void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata,
struct sta_info *sta,
struct ieee80211_mgmt *mgmt, size_t len);
size_t len);
int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
- enum ieee80211_back_parties initiator);
+ enum ieee80211_back_parties initiator,
+ bool tx);
int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
- enum ieee80211_back_parties initiator);
+ enum ieee80211_back_parties initiator,
+ bool tx);
void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid);
void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid);
void ieee80211_ba_session_work(struct work_struct *work);
static inline int __ieee80211_resume(struct ieee80211_hw *hw)
{
+ struct ieee80211_local *local = hw_to_local(hw);
+
+ WARN(test_bit(SCAN_HW_SCANNING, &local->scanning),
+ "%s: resume with hardware scan still in progress\n",
+ wiphy_name(hw->wiphy));
+
return ieee80211_reconfig(hw_to_local(hw));
}
#else
int powersave);
void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata,
struct ieee80211_hdr *hdr);
+void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_hdr *hdr, bool ack);
void ieee80211_beacon_connection_loss_work(struct work_struct *work);
void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw,
struct sk_buff *skb);
int ieee80211_add_pending_skbs(struct ieee80211_local *local,
struct sk_buff_head *skbs);
+int ieee80211_add_pending_skbs_fn(struct ieee80211_local *local,
+ struct sk_buff_head *skbs,
+ void (*fn)(void *data), void *data);
void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
u16 transaction, u16 auth_alg,
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,
- enum ieee80211_band band);
+ enum ieee80211_band band, u32 rate_mask,
+ u8 channel);
+struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
+ u8 *dst,
+ const u8 *ssid, size_t ssid_len,
+ const u8 *ie, size_t ie_len);
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);
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);
+void ieee80211_recalc_smps(struct ieee80211_local *local);
size_t ieee80211_ie_split(const u8 *ies, size_t ielen,
const u8 *ids, int n_ids, size_t offset);