diff options
Diffstat (limited to 'net/mac80211/ieee80211_i.h')
-rw-r--r-- | net/mac80211/ieee80211_i.h | 212 |
1 files changed, 151 insertions, 61 deletions
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 1a9e2da37a93..b80c38689927 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -50,12 +50,6 @@ struct ieee80211_local; * 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 \ @@ -165,12 +159,37 @@ typedef unsigned __bitwise__ ieee80211_rx_result; #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 + * + * 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), +}; + +/** + * 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; @@ -238,6 +257,7 @@ enum ieee80211_work_type { IEEE80211_WORK_ABORT, IEEE80211_WORK_DIRECT_PROBE, IEEE80211_WORK_AUTH, + IEEE80211_WORK_ASSOC_BEACON_WAIT, IEEE80211_WORK_ASSOC, IEEE80211_WORK_REMAIN_ON_CHANNEL, }; @@ -325,7 +345,6 @@ struct ieee80211_if_managed { 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_connection_loss_work; @@ -340,15 +359,17 @@ struct ieee80211_if_managed { u16 aid; - struct sk_buff_head skb_queue; - unsigned long timers_running; /* used for quiesce/restart */ bool powersave; /* powersave requested for this iface */ enum ieee80211_smps_mode req_smps, /* requested smps mode */ - ap_smps; /* smps mode AP thinks we're in */ + ap_smps, /* smps mode AP thinks we're in */ + driver_smps_mode; /* smps mode request */ + + struct work_struct request_smps_work; unsigned int flags; + bool beacon_crc_valid; u32 beacon_crc; enum { @@ -373,6 +394,13 @@ struct ieee80211_if_managed { 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 * generated for the current association. @@ -380,19 +408,15 @@ struct ieee80211_if_managed { int last_cqm_event_signal; }; -enum ieee80211_ibss_request { - IEEE80211_IBSS_REQ_RUN = 0, -}; - struct ieee80211_if_ibss { struct timer_list timer; - struct work_struct work; - struct sk_buff_head skb_queue; + struct mutex mtx; - unsigned long request; unsigned long last_scan_completed; + u32 basic_rates; + bool timer_running; bool fixed_bssid; @@ -416,11 +440,9 @@ struct ieee80211_if_ibss { }; struct ieee80211_if_mesh { - struct work_struct work; struct timer_list housekeeping_timer; struct timer_list mesh_path_timer; struct timer_list mesh_path_root_timer; - struct sk_buff_head skb_queue; unsigned long timers_running; @@ -482,6 +504,19 @@ enum ieee80211_sub_if_data_flags { 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; @@ -495,6 +530,8 @@ struct ieee80211_sub_if_data { unsigned int flags; + unsigned long state; + int drop_unencrypted; char name[IFNAMSIZ]; @@ -505,17 +542,25 @@ struct ieee80211_sub_if_data { */ bool ht_opmode_valid; + /* to detect idle changes */ + bool old_idle; + /* Fragment table for host-based reassembly */ 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_mgmt_key; u16 sequence_number; + __be16 control_port_protocol; + bool control_port_no_encrypt; + + struct work_struct work; + struct sk_buff_head skb_queue; + + bool arp_filter_state; /* * AP this belongs to: self in AP mode and @@ -542,6 +587,7 @@ struct ieee80211_sub_if_data { #ifdef CONFIG_MAC80211_DEBUGFS struct { struct dentry *dir; + struct dentry *subdir_stations; struct dentry *default_key; struct dentry *default_mgmt_key; } debugfs; @@ -569,11 +615,15 @@ ieee80211_sdata_set_mesh_id(struct ieee80211_sub_if_data *sdata, #endif } +enum sdata_queue_type { + IEEE80211_SDATA_QUEUE_TYPE_FRAME = 0, + IEEE80211_SDATA_QUEUE_AGG_START = 1, + IEEE80211_SDATA_QUEUE_AGG_STOP = 2, +}; + enum { IEEE80211_RX_MSG = 1, IEEE80211_TX_STATUS_MSG = 2, - IEEE80211_DELBA_MSG = 3, - IEEE80211_ADDBA_MSG = 4, }; enum queue_stop_reason { @@ -594,11 +644,17 @@ enum queue_stop_reason { * 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, }; /** @@ -633,7 +689,6 @@ struct ieee80211_local { /* * 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; @@ -652,9 +707,13 @@ struct ieee80211_local { 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; @@ -724,13 +783,7 @@ struct ieee80211_local { struct sk_buff_head pending[IEEE80211_MAX_QUEUES]; struct tasklet_struct tx_pending_tasklet; - /* - * This lock is used to prevent concurrent A-MPDU - * session start/stop processing, this thus also - * synchronises the ->ampdu_action() callback to - * drivers and limits it to one at a time. - */ - spinlock_t ampdu_lock; + atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES]; /* number of interfaces with corresponding IFF_ flags */ atomic_t iff_allmultis, iff_promiscs; @@ -746,14 +799,15 @@ struct ieee80211_local { struct mutex iflist_mtx; /* - * Key lock, protects sdata's key_list and sta_info's + * Key mutex, protects sdata's key_list and sta_info's * key pointers (write access, they're RCU.) */ - spinlock_t key_lock; + struct mutex key_mtx; + /* mutex for scan and work locking */ + struct mutex mtx; /* Scanning and BSS list */ - struct mutex scan_mtx; unsigned long scanning; struct cfg80211_ssid scan_ssid; struct cfg80211_scan_request *int_scan_req; @@ -851,6 +905,15 @@ struct ieee80211_local { struct work_struct dynamic_ps_disable_work; struct timer_list dynamic_ps_timer; struct notifier_block network_latency_notifier; + struct notifier_block ifa_notifier; + + /* + * The dynamic ps timeout configured from user space via WEXT - + * this will override whatever chosen by mac80211 internally. + */ + int dynamic_ps_forced_timeout; + int dynamic_ps_user_timeout; + bool disable_dynamic_ps; int user_power_level; /* in dBm */ int power_constr_level; /* in dBm */ @@ -862,10 +925,14 @@ struct ieee80211_local { #ifdef CONFIG_MAC80211_DEBUGFS struct local_debugfsdentries { struct dentry *rcdir; - struct dentry *stations; struct dentry *keys; } debugfs; #endif + + /* dummy netdev for use w/ NAPI */ + struct net_device napi_dev; + + struct napi_struct napi; }; static inline struct ieee80211_sub_if_data * @@ -874,9 +941,8 @@ IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) return netdev_priv(dev); } -/* this struct represents 802.11n's RA/TID combination along with our vif */ +/* this struct represents 802.11n's RA/TID combination */ struct ieee80211_ra_tid { - struct ieee80211_vif *vif; u8 ra[ETH_ALEN]; u16 tid; }; @@ -985,29 +1051,27 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, struct cfg80211_disassoc_request *req, void *cookie); -int ieee80211_mgd_action(struct ieee80211_sub_if_data *sdata, - struct ieee80211_channel *chan, - enum nl80211_channel_type channel_type, - const u8 *buf, size_t len, u64 *cookie); -ieee80211_rx_result ieee80211_sta_rx_mgmt(struct ieee80211_sub_if_data *sdata, - struct sk_buff *skb); void ieee80211_send_pspoll(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata); void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency); int ieee80211_max_network_latency(struct notifier_block *nb, unsigned long data, void *dummy); +int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata); void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata, struct ieee80211_channel_sw_ie *sw_elem, struct ieee80211_bss *bss, u64 timestamp); void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata); void ieee80211_sta_restart(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); void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata); -ieee80211_rx_result -ieee80211_ibss_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata, u8 *bssid, u8 *addr, u32 supp_rates, gfp_t gfp); @@ -1016,6 +1080,14 @@ int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata); void ieee80211_ibss_quiesce(struct ieee80211_sub_if_data *sdata); void ieee80211_ibss_restart(struct ieee80211_sub_if_data *sdata); +void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata); +void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb); + +/* mesh code */ +void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata); +void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb); /* scan/BSS handling */ void ieee80211_scan_work(struct work_struct *work); @@ -1061,10 +1133,12 @@ void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); 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 */ @@ -1084,7 +1158,7 @@ struct ieee80211_tx_status_rtap_hdr { u8 padding_for_rate; __le16 tx_flags; u8 data_retries; -} __attribute__ ((packed)); +} __packed; /* HT */ @@ -1098,10 +1172,13 @@ void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata, enum ieee80211_smps_mode smps, const u8 *da, const u8 *bssid); +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, 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); @@ -1115,9 +1192,16 @@ void ieee80211_process_addba_request(struct ieee80211_local *local, 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); +void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid); +void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid); /* Spectrum management */ void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, @@ -1133,6 +1217,12 @@ int __ieee80211_suspend(struct ieee80211_hw *hw); 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 @@ -1195,7 +1285,8 @@ void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, 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); 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); @@ -1208,8 +1299,7 @@ u32 ieee80211_sta_get_rates(struct ieee80211_local *local, 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); |