#define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024))
#define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x))
+/* power level hasn't been configured (or set to automatic) */
+#define IEEE80211_UNSET_POWER_LEVEL INT_MIN
+
/*
* Some APs experience problems when working with U-APSD. Decrease the
* probability of that happening by using legacy mode for all ACs but VO.
u32 device_ts;
- u8 dtim_period;
-
bool wmm_used;
bool uapsd_supported;
/**
* enum ieee80211_valid_data_flags - BSS valid data flags
- * @IEEE80211_BSS_VALID_DTIM: DTIM data was gathered from non-corrupt IE
* @IEEE80211_BSS_VALID_WMM: WMM/UAPSD data was gathered from non-corrupt IE
* @IEEE80211_BSS_VALID_RATES: Supported rates were gathered from non-corrupt IE
* @IEEE80211_BSS_VALID_ERP: ERP flag was gathered from non-corrupt IE
* beacon/probe response.
*/
enum ieee80211_bss_valid_data_flags {
- IEEE80211_BSS_VALID_DTIM = BIT(0),
IEEE80211_BSS_VALID_WMM = BIT(1),
IEEE80211_BSS_VALID_RATES = BIT(2),
IEEE80211_BSS_VALID_ERP = BIT(3)
u8 data[0];
};
-struct ieee80211_if_ap {
- struct beacon_data __rcu *beacon;
- struct probe_resp __rcu *probe_resp;
-
- struct list_head vlans;
-
+struct ps_data {
/* yes, this looks ugly, but guarantees that we can later use
* bitmap_empty :)
* NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */
u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)];
- struct sk_buff_head ps_bc_buf;
+ struct sk_buff_head bc_buf;
atomic_t num_sta_ps; /* number of stations in PS mode */
- atomic_t num_mcast_sta; /* number of stations receiving multicast */
int dtim_count;
bool dtim_bc_mc;
};
+struct ieee80211_if_ap {
+ struct beacon_data __rcu *beacon;
+ struct probe_resp __rcu *probe_resp;
+
+ struct list_head vlans;
+
+ struct ps_data ps;
+ atomic_t num_mcast_sta; /* number of stations receiving multicast */
+};
+
struct ieee80211_if_wds {
struct sta_info *sta;
u8 remote_addr[ETH_ALEN];
__u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/
__u32 dropped_frames_no_route; /* Not transmitted, no route found */
__u32 dropped_frames_congestion;/* Not forwarded due to congestion */
- atomic_t estab_plinks;
};
#define PREQ_Q_F_START 0x1
struct ieee80211_sub_if_data *sdata;
struct ieee80211_channel *chan;
- enum nl80211_channel_type chan_type;
bool started, abort, hw_begun, notified;
u32 duration, req_duration;
struct sk_buff *frame;
- u64 mgmt_tx_cookie;
+ u64 cookie, mgmt_tx_cookie;
};
/* 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_DISABLE_11N = BIT(4),
+ IEEE80211_STA_DISABLE_HT = BIT(4),
IEEE80211_STA_CSA_RECEIVED = BIT(5),
IEEE80211_STA_MFP_ENABLED = BIT(6),
IEEE80211_STA_UAPSD_ENABLED = BIT(7),
IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9),
IEEE80211_STA_DISABLE_40MHZ = BIT(10),
IEEE80211_STA_DISABLE_VHT = BIT(11),
+ IEEE80211_STA_DISABLE_80P80MHZ = BIT(12),
+ IEEE80211_STA_DISABLE_160MHZ = BIT(13),
};
struct ieee80211_mgd_auth_data {
u8 key_len, key_idx;
bool done;
- size_t ie_len;
- u8 ie[];
+ u16 sae_trans, sae_status;
+ size_t data_len;
+ u8 data[];
};
struct ieee80211_mgd_assoc_data {
u8 ap_ht_param;
+ struct ieee80211_vht_cap ap_vht_cap;
+
size_t ie_len;
u8 ie[];
};
unsigned long timers_running; /* used for quiesce/restart */
bool powersave; /* powersave requested for this iface */
bool broken_ap; /* AP is broken -- turn off powersave */
+ u8 dtim_period;
enum ieee80211_smps_mode req_smps, /* requested smps mode */
- ap_smps, /* smps mode AP thinks we're in */
driver_smps_mode; /* smps mode request */
struct work_struct request_smps_work;
u8 use_4addr;
+ u8 p2p_noa_index;
+
/* Signal strength from the last Beacon frame in the current BSS. */
int last_beacon_signal;
int preq_queue_len;
struct mesh_stats mshstats;
struct mesh_config mshcfg;
+ atomic_t estab_plinks;
u32 mesh_seqnum;
bool accepting_plinks;
int num_gates;
IEEE80211_MESH_SEC_SECURED = 0x2,
} security;
/* Extensible Synchronization Framework */
- struct ieee80211_mesh_sync_ops *sync_ops;
+ const struct ieee80211_mesh_sync_ops *sync_ops;
s64 sync_offset_clockdrift_max;
spinlock_t sync_offset_lock;
bool adjusting_tbtt;
* change handling while the interface is up
* @SDATA_STATE_OFFCHANNEL: This interface is currently in offchannel
* mode, so queues are stopped
+ * @SDATA_STATE_OFFCHANNEL_BEACON_STOPPED: Beaconing was stopped due
+ * to offchannel, reset when offchannel returns
*/
enum ieee80211_sdata_state_bits {
SDATA_STATE_RUNNING,
SDATA_STATE_OFFCHANNEL,
+ SDATA_STATE_OFFCHANNEL_BEACON_STOPPED,
+};
+
+/**
+ * enum ieee80211_chanctx_mode - channel context configuration mode
+ *
+ * @IEEE80211_CHANCTX_SHARED: channel context may be used by
+ * multiple interfaces
+ * @IEEE80211_CHANCTX_EXCLUSIVE: channel context can be used
+ * only by a single interface. This can be used for example for
+ * non-fixed channel IBSS.
+ */
+enum ieee80211_chanctx_mode {
+ IEEE80211_CHANCTX_SHARED,
+ IEEE80211_CHANCTX_EXCLUSIVE
+};
+
+struct ieee80211_chanctx {
+ struct list_head list;
+ struct rcu_head rcu_head;
+
+ enum ieee80211_chanctx_mode mode;
+ int refcount;
+ bool driver_present;
+
+ struct ieee80211_chanctx_conf conf;
};
struct ieee80211_sub_if_data {
struct ieee80211_tx_queue_params tx_conf[IEEE80211_NUM_ACS];
+ /* used to reconfigure hardware SM PS */
+ struct work_struct recalc_smps;
+
struct work_struct work;
struct sk_buff_head skb_queue;
bool arp_filter_state;
+ u8 needed_rx_chains;
+ enum ieee80211_smps_mode smps_mode;
+
+ int user_power_level; /* in dBm */
+ int ap_power_level; /* in dBm */
+
/*
* AP this belongs to: self in AP mode and
* corresponding AP in VLAN mode, NULL for
u32 mntr_flags;
} u;
+ spinlock_t cleanup_stations_lock;
+ struct list_head cleanup_stations;
+ struct work_struct cleanup_stations_wk;
+
#ifdef CONFIG_MAC80211_DEBUGFS
struct {
struct dentry *dir;
struct dentry *default_mgmt_key;
} debugfs;
#endif
+
+#ifdef CONFIG_PM
+ struct ieee80211_bss_conf suspend_bss_conf;
+#endif
+
/* must be last, dynamically sized area in this! */
struct ieee80211_vif vif;
};
return container_of(p, struct ieee80211_sub_if_data, vif);
}
+static inline enum ieee80211_band
+ieee80211_get_sdata_band(struct ieee80211_sub_if_data *sdata)
+{
+ enum ieee80211_band band = IEEE80211_BAND_2GHZ;
+ struct ieee80211_chanctx_conf *chanctx_conf;
+
+ rcu_read_lock();
+ chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
+ if (!WARN_ON(!chanctx_conf))
+ band = chanctx_conf->def.chan->band;
+ rcu_read_unlock();
+
+ return band;
+}
+
enum sdata_queue_type {
IEEE80211_SDATA_QUEUE_TYPE_FRAME = 0,
IEEE80211_SDATA_QUEUE_AGG_START = 1,
* @SCAN_SUSPEND: Suspend the scan and go back to operating channel to
* send out data
* @SCAN_RESUME: Resume the scan and scan the next channel
+ * @SCAN_ABORT: Abort the scan and go back to operating channel
*/
enum mac80211_scan_state {
SCAN_DECISION,
SCAN_SEND_PROBE,
SCAN_SUSPEND,
SCAN_RESUME,
+ SCAN_ABORT,
};
struct ieee80211_local {
bool wiphy_ciphers_allocated;
+ bool use_chanctx;
+
/* protects the aggregated multicast list and filter calls */
spinlock_t filter_lock;
/* 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 netdev_hw_addr_list mc_list;
/* wowlan is enabled -- don't reconfig on resume */
bool wowlan;
+ /* number of RX chains the hardware has */
+ u8 rx_chains;
+
int tx_headroom; /* required headroom for hardware/radiotap */
/* Tasklet and skb queue to process calls from IRQ mode. All frames
enum ieee80211_band hw_scan_band;
int scan_channel_idx;
int scan_ies_len;
+ int hw_scan_ies_bufsize;
struct work_struct sched_scan_stopped_work;
struct ieee80211_sub_if_data __rcu *sched_scan_sdata;
enum mac80211_scan_state next_scan_state;
struct delayed_work scan_work;
struct ieee80211_sub_if_data __rcu *scan_sdata;
+ struct ieee80211_channel *csa_channel;
+ /* For backward compatibility only -- do not use */
+ struct ieee80211_channel *_oper_channel;
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;
+
+ /* channel contexts */
+ struct list_head chanctx_list;
+ struct mutex chanctx_mtx;
/* SNMP counters */
/* dot11CountersTable */
int dynamic_ps_user_timeout;
bool disable_dynamic_ps;
- int user_power_level; /* in dBm */
- int ap_power_level; /* in dBm */
+ int user_power_level; /* in dBm, for all interfaces */
enum ieee80211_smps_mode smps_mode;
struct list_head roc_list;
struct work_struct hw_roc_start, hw_roc_done;
unsigned long hw_roc_start_time;
+ u64 roc_cookie_counter;
struct idr ack_status_frames;
spinlock_t ack_status_lock;
/* virtual monitor interface */
struct ieee80211_sub_if_data __rcu *monitor_sdata;
+ struct cfg80211_chan_def monitor_chandef;
};
static inline struct ieee80211_sub_if_data *
u8 *wmm_param;
struct ieee80211_ht_cap *ht_cap_elem;
struct ieee80211_ht_operation *ht_operation;
+ struct ieee80211_vht_cap *vht_cap_elem;
+ struct ieee80211_vht_operation *vht_operation;
struct ieee80211_meshconf_ie *mesh_config;
u8 *mesh_id;
u8 *peering;
is_broadcast_ether_addr(raddr);
}
+static inline bool
+ieee80211_have_rx_timestamp(struct ieee80211_rx_status *status)
+{
+ WARN_ON_ONCE(status->flag & RX_FLAG_MACTIME_START &&
+ status->flag & RX_FLAG_MACTIME_END);
+ return status->flag & (RX_FLAG_MACTIME_START | RX_FLAG_MACTIME_END);
+}
+u64 ieee80211_calculate_rx_timestamp(struct ieee80211_local *local,
+ struct ieee80211_rx_status *status,
+ unsigned int mpdu_len,
+ unsigned int mpdu_offset);
int ieee80211_hw_config(struct ieee80211_local *local, u32 changed);
void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx);
void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
/* scan/BSS handling */
void ieee80211_scan_work(struct work_struct *work);
-int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata,
- const u8 *ssid, u8 ssid_len,
- struct ieee80211_channel *chan);
+int ieee80211_request_ibss_scan(struct ieee80211_sub_if_data *sdata,
+ const u8 *ssid, u8 ssid_len,
+ struct ieee80211_channel *chan);
int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata,
struct cfg80211_scan_request *req);
void ieee80211_scan_cancel(struct ieee80211_local *local);
struct ieee80211_mgmt *mgmt,
size_t len,
struct ieee802_11_elems *elems,
- struct ieee80211_channel *channel,
- bool beacon);
+ struct ieee80211_channel *channel);
void ieee80211_rx_bss_put(struct ieee80211_local *local,
struct ieee80211_bss *bss);
void ieee80211_sched_scan_stopped_work(struct work_struct *work);
/* off-channel helpers */
-void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local,
- bool offchannel_ps_enable);
-void ieee80211_offchannel_return(struct ieee80211_local *local,
- bool offchannel_ps_disable);
+void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local);
+void ieee80211_offchannel_return(struct ieee80211_local *local);
void ieee80211_roc_setup(struct ieee80211_local *local);
void ieee80211_start_next_roc(struct ieee80211_local *local);
void ieee80211_roc_purge(struct ieee80211_sub_if_data *sdata);
int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up);
void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata);
+bool __ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata);
+void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata);
+
static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata)
{
return test_bit(SDATA_STATE_RUNNING, &sdata->state);
u16 initiator, u16 reason, bool stop);
void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
u16 initiator, u16 reason, bool stop);
-void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, bool tx);
+void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta,
+ enum ieee80211_agg_stop_reason reason);
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,
- bool tx);
+ enum ieee80211_agg_stop_reason reason);
int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
- enum ieee80211_back_parties initiator,
- bool tx);
+ enum ieee80211_agg_stop_reason reason);
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);
void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid);
void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid);
+u8 ieee80211_mcs_to_chains(const struct ieee80211_mcs_info *mcs);
+
+/* VHT */
+void ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_supported_band *sband,
+ struct ieee80211_vht_cap *vht_cap_ie,
+ struct ieee80211_sta_vht_cap *vht_cap);
/* Spectrum management */
void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata,
struct ieee80211_mgmt *mgmt,
gfp_t gfp);
void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata,
bool bss_notify);
-void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb);
+void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
+ enum ieee80211_band band);
-void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata,
- struct sk_buff *skb, int tid);
-static void inline ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata,
+void __ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb, int tid,
+ enum ieee80211_band band);
+
+static inline void
+ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb, int tid,
+ enum ieee80211_band band)
+{
+ rcu_read_lock();
+ __ieee80211_tx_skb_tid_band(sdata, skb, tid, band);
+ rcu_read_unlock();
+}
+
+static inline void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb, int tid)
+{
+ struct ieee80211_chanctx_conf *chanctx_conf;
+
+ rcu_read_lock();
+ chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
+ if (WARN_ON(!chanctx_conf)) {
+ rcu_read_unlock();
+ kfree_skb(skb);
+ return;
+ }
+
+ __ieee80211_tx_skb_tid_band(sdata, skb, tid,
+ chanctx_conf->def.chan->band);
+ rcu_read_unlock();
+}
+
+static inline void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb)
{
/* Send all internal mgmt frames on VO. Accordingly set TID to 7. */
}
void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
- u16 transaction, u16 auth_alg,
+ u16 transaction, u16 auth_alg, u16 status,
u8 *extra, size_t extra_len, const u8 *bssid,
const u8 *da, const u8 *key, u8 key_len, u8 key_idx);
void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata,
const u8 *bssid, u16 stype, u16 reason,
bool send_frame, u8 *frame_buf);
int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
- const u8 *ie, size_t ie_len,
+ size_t buffer_len, const u8 *ie, size_t ie_len,
enum ieee80211_band band, u32 rate_mask,
u8 channel);
struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
const u8 *ssid, size_t ssid_len,
const u8 *ie, size_t ie_len,
u32 ratemask, bool directed, bool no_cck,
- struct ieee80211_channel *channel);
+ struct ieee80211_channel *channel, bool scan);
void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata,
const size_t supp_rates_len,
enum ieee80211_band band, u32 *basic_rates);
int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
enum ieee80211_smps_mode smps_mode);
-void ieee80211_recalc_smps(struct ieee80211_local *local);
+void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata);
size_t ieee80211_ie_split(const u8 *ies, size_t ielen,
const u8 *ids, int n_ids, size_t offset);
u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
u16 cap);
u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
- struct ieee80211_channel *channel,
- enum nl80211_channel_type channel_type,
+ const struct cfg80211_chan_def *chandef,
u16 prot_mode);
u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap,
u32 cap);
enum ieee80211_band band);
/* channel management */
-enum ieee80211_chan_mode {
- CHAN_MODE_UNDEFINED,
- CHAN_MODE_HOPPING,
- CHAN_MODE_FIXED,
-};
-
-enum ieee80211_chan_mode
-ieee80211_get_channel_mode(struct ieee80211_local *local,
- struct ieee80211_sub_if_data *ignore);
-bool ieee80211_set_channel_type(struct ieee80211_local *local,
- struct ieee80211_sub_if_data *sdata,
- enum nl80211_channel_type chantype);
-enum nl80211_channel_type
-ieee80211_ht_oper_to_channel_type(struct ieee80211_ht_operation *ht_oper);
+void ieee80211_ht_oper_to_chandef(struct ieee80211_channel *control_chan,
+ struct ieee80211_ht_operation *ht_oper,
+ struct cfg80211_chan_def *chandef);
+
+int __must_check
+ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata,
+ const struct cfg80211_chan_def *chandef,
+ enum ieee80211_chanctx_mode mode);
+void ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata);
+void ieee80211_vif_vlan_copy_chanctx(struct ieee80211_sub_if_data *sdata);
+
+void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local,
+ struct ieee80211_chanctx *chanctx);
#ifdef CONFIG_MAC80211_NOINLINE
#define debug_noinline noinline