diff options
Diffstat (limited to 'net/mac80211/ieee80211_i.h')
| -rw-r--r-- | net/mac80211/ieee80211_i.h | 219 |
1 files changed, 110 insertions, 109 deletions
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index d9798a307f20..bb61f7718c4c 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -30,6 +30,7 @@ #include <net/mac80211.h> #include "key.h" #include "sta_info.h" +#include "debug.h" struct ieee80211_local; @@ -52,13 +53,17 @@ struct ieee80211_local; * increased memory use (about 2 kB of RAM per entry). */ #define IEEE80211_FRAGMENT_MAX 4 -#define TU_TO_EXP_TIME(x) (jiffies + usecs_to_jiffies((x) * 1024)) +#define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024)) +#define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x)) +/* + * Some APs experience problems when working with U-APSD. Decrease the + * probability of that happening by using legacy mode for all ACs but VO. + * The AP that caused us trouble was a Cisco 4410N. It ignores our + * setting, and always treats non-VO ACs as legacy. + */ #define IEEE80211_DEFAULT_UAPSD_QUEUES \ - (IEEE80211_WMM_IE_STA_QOSINFO_AC_BK | \ - IEEE80211_WMM_IE_STA_QOSINFO_AC_BE | \ - IEEE80211_WMM_IE_STA_QOSINFO_AC_VI | \ - IEEE80211_WMM_IE_STA_QOSINFO_AC_VO) + IEEE80211_WMM_IE_STA_QOSINFO_AC_VO #define IEEE80211_DEFAULT_MAX_SP_LEN \ IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL @@ -80,6 +85,8 @@ struct ieee80211_bss { size_t ssid_len; u8 ssid[IEEE80211_MAX_SSID_LEN]; + u32 device_ts; + u8 dtim_period; bool wmm_used; @@ -202,7 +209,6 @@ typedef unsigned __bitwise__ ieee80211_rx_result; * 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 @@ -212,7 +218,6 @@ typedef unsigned __bitwise__ ieee80211_rx_result; * @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), @@ -281,7 +286,7 @@ struct ieee80211_if_ap { u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; struct sk_buff_head ps_bc_buf; atomic_t num_sta_ps; /* number of stations in PS mode */ - atomic_t num_sta_authorized; /* number of authorized stations */ + atomic_t num_mcast_sta; /* number of stations receiving multicast */ int dtim_count; bool dtim_bc_mc; }; @@ -316,55 +321,30 @@ struct mesh_preq_queue { u8 flags; }; -enum ieee80211_work_type { - IEEE80211_WORK_ABORT, - IEEE80211_WORK_REMAIN_ON_CHANNEL, - IEEE80211_WORK_OFFCHANNEL_TX, -}; - -/** - * 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, -}; +#if HZ/100 == 0 +#define IEEE80211_ROC_MIN_LEFT 1 +#else +#define IEEE80211_ROC_MIN_LEFT (HZ/100) +#endif -struct ieee80211_work { +struct ieee80211_roc_work { struct list_head list; + struct list_head dependents; - struct rcu_head rcu_head; + struct delayed_work work; 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_work_type type; + bool started, abort, hw_begun, notified; - bool started; + unsigned long hw_start_time; - union { - struct { - u32 duration; - } remain; - struct { - struct sk_buff *frame; - u32 wait; - bool status; - } offchan_tx; - }; - - size_t data_len; - u8 data[]; + u32 duration, req_duration; + struct sk_buff *frame; + u64 mgmt_tx_cookie; }; /* flags used in struct ieee80211_if_managed.flags */ @@ -378,6 +358,7 @@ enum ieee80211_sta_flags { IEEE80211_STA_UAPSD_ENABLED = BIT(7), IEEE80211_STA_NULLFUNC_ACKED = BIT(8), IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9), + IEEE80211_STA_DISABLE_40MHZ = BIT(10), }; struct ieee80211_mgd_auth_data { @@ -397,7 +378,6 @@ struct ieee80211_mgd_auth_data { struct ieee80211_mgd_assoc_data { struct cfg80211_bss *bss; const u8 *supp_rates; - const u8 *ht_information_ie; unsigned long timeout; int tries; @@ -412,6 +392,8 @@ struct ieee80211_mgd_assoc_data { bool sent_assoc; bool synced; + u8 ap_ht_param; + size_t ie_len; u8 ie[]; }; @@ -530,6 +512,7 @@ struct ieee80211_if_ibss { bool privacy; bool control_port; + unsigned int auth_frame_registrations; u8 bssid[ETH_ALEN] __aligned(2); u8 ssid[IEEE80211_MAX_SSID_LEN]; @@ -552,6 +535,24 @@ struct ieee80211_if_ibss { } state; }; +/** + * struct ieee80211_mesh_sync_ops - Extensible synchronization framework interface + * + * these declarations define the interface, which enables + * vendor-specific mesh synchronization + * + */ +struct ieee802_11_elems; +struct ieee80211_mesh_sync_ops { + void (*rx_bcn_presp)(struct ieee80211_sub_if_data *sdata, + u16 stype, + struct ieee80211_mgmt *mgmt, + struct ieee802_11_elems *elems, + struct ieee80211_rx_status *rx_status); + void (*adjust_tbtt)(struct ieee80211_sub_if_data *sdata); + /* add other framework functions here */ +}; + struct ieee80211_if_mesh { struct timer_list housekeeping_timer; struct timer_list mesh_path_timer; @@ -600,6 +601,11 @@ struct ieee80211_if_mesh { IEEE80211_MESH_SEC_AUTHED = 0x1, IEEE80211_MESH_SEC_SECURED = 0x2, } security; + /* Extensible Synchronization Framework */ + struct ieee80211_mesh_sync_ops *sync_ops; + s64 sync_offset_clockdrift_max; + spinlock_t sync_offset_lock; + bool adjusting_tbtt; }; #ifdef CONFIG_MAC80211_MESH @@ -666,12 +672,6 @@ struct ieee80211_sub_if_data { char name[IFNAMSIZ]; - /* - * keep track of whether the HT opmode (stored in - * vif.bss_info.ht_operation_mode) is valid. - */ - bool ht_opmode_valid; - /* to detect idle changes */ bool old_idle; @@ -682,6 +682,9 @@ struct ieee80211_sub_if_data { /* TID bitmap for NoAck policy */ u16 noack_map; + /* bit field of ACM bits (BIT(802.1D tag)) */ + u8 wmm_acm; + struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS]; struct ieee80211_key __rcu *default_unicast_key; struct ieee80211_key __rcu *default_multicast_key; @@ -691,7 +694,7 @@ struct ieee80211_sub_if_data { __be16 control_port_protocol; bool control_port_no_encrypt; - struct ieee80211_tx_queue_params tx_conf[IEEE80211_MAX_QUEUES]; + struct ieee80211_tx_queue_params tx_conf[IEEE80211_NUM_ACS]; struct work_struct work; struct sk_buff_head skb_queue; @@ -761,7 +764,6 @@ enum queue_stop_reason { IEEE80211_QUEUE_STOP_REASON_AGGREGATION, IEEE80211_QUEUE_STOP_REASON_SUSPEND, IEEE80211_QUEUE_STOP_REASON_SKB_ADD, - IEEE80211_QUEUE_STOP_REASON_CHTYPE_CHANGE, }; #ifdef CONFIG_MAC80211_LEDS @@ -785,6 +787,8 @@ struct tpt_led_trigger { * 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_ONCHANNEL_SCANNING: Do a software scan on only the current operating + * channel. This should not interrupt normal traffic. * @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 @@ -793,6 +797,7 @@ struct tpt_led_trigger { enum { SCAN_SW_SCANNING, SCAN_HW_SCANNING, + SCAN_ONCHANNEL_SCANNING, SCAN_COMPLETED, SCAN_ABORTED, }; @@ -826,13 +831,6 @@ struct ieee80211_local { const struct ieee80211_ops *ops; /* - * work stuff, potentially off-channel (in the future) - */ - struct list_head work_list; - struct timer_list work_timer; - struct work_struct work_work; - - /* * private workqueue to mac80211. mac80211 makes this accessible * via ieee80211_queue_work() */ @@ -891,6 +889,9 @@ struct ieee80211_local { /* device is started */ bool started; + /* device is during a HW reconfig */ + bool in_reconfig; + /* wowlan is enabled -- don't reconfig on resume */ bool wowlan; @@ -964,14 +965,14 @@ struct ieee80211_local { int scan_channel_idx; int scan_ies_len; - bool sched_scanning; struct ieee80211_sched_scan_ies sched_scan_ies; struct work_struct sched_scan_stopped_work; + struct ieee80211_sub_if_data __rcu *sched_scan_sdata; unsigned long leave_oper_channel_time; enum mac80211_scan_state next_scan_state; struct delayed_work scan_work; - struct ieee80211_sub_if_data *scan_sdata; + struct ieee80211_sub_if_data __rcu *scan_sdata; enum nl80211_channel_type _oper_channel_type; struct ieee80211_channel *oper_channel, *csa_channel; @@ -1013,7 +1014,6 @@ struct ieee80211_local { unsigned int rx_handlers_drop_nullfunc; unsigned int rx_handlers_drop_defrag; unsigned int rx_handlers_drop_short; - unsigned int rx_handlers_drop_passive_scan; unsigned int tx_expand_skb_head; unsigned int tx_expand_skb_head_cloned; unsigned int rx_expand_skb_head; @@ -1029,7 +1029,6 @@ struct ieee80211_local { int total_ps_buffered; /* total number of all buffered unicast and * multicast packets for power saving stations */ - unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */ bool pspolling; bool offchannel_ps_enabled; @@ -1066,14 +1065,12 @@ struct ieee80211_local { } 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; + /* + * Remain-on-channel support + */ + struct list_head roc_list; 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_roc_start_time; struct idr ack_status_frames; spinlock_t ack_status_lock; @@ -1082,6 +1079,9 @@ struct ieee80211_local { struct net_device napi_dev; struct napi_struct napi; + + /* virtual monitor interface */ + struct ieee80211_sub_if_data __rcu *monitor_sdata; }; static inline struct ieee80211_sub_if_data * @@ -1090,6 +1090,12 @@ IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) return netdev_priv(dev); } +static inline struct ieee80211_sub_if_data * +IEEE80211_WDEV_TO_SUB_IF(struct wireless_dev *wdev) +{ + return container_of(wdev, struct ieee80211_sub_if_data, wdev); +} + /* this struct represents 802.11n's RA/TID combination */ struct ieee80211_ra_tid { u8 ra[ETH_ALEN]; @@ -1117,7 +1123,7 @@ struct ieee802_11_elems { u8 *wmm_info; u8 *wmm_param; struct ieee80211_ht_cap *ht_cap_elem; - struct ieee80211_ht_info *ht_info_elem; + struct ieee80211_ht_operation *ht_operation; struct ieee80211_meshconf_ie *mesh_config; u8 *mesh_id; u8 *peering; @@ -1171,7 +1177,7 @@ static inline struct ieee80211_local *hw_to_local( static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) { - return compare_ether_addr(raddr, addr) == 0 || + return ether_addr_equal(raddr, addr) || is_broadcast_ether_addr(raddr); } @@ -1210,7 +1216,7 @@ 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); -void ieee80211_mgd_teardown(struct ieee80211_sub_if_data *sdata); +void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata); /* IBSS code */ void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); @@ -1239,8 +1245,8 @@ int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata, int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, struct cfg80211_scan_request *req); void ieee80211_scan_cancel(struct ieee80211_local *local); -ieee80211_rx_result -ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); +void ieee80211_run_deferred_scan(struct ieee80211_local *local); +void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb); void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); struct ieee80211_bss * @@ -1251,9 +1257,6 @@ ieee80211_bss_info_update(struct ieee80211_local *local, struct ieee802_11_elems *elems, struct ieee80211_channel *channel, bool beacon); -struct ieee80211_bss * -ieee80211_rx_bss_get(struct ieee80211_local *local, u8 *bssid, int freq, - u8 *ssid, u8 ssid_len); void ieee80211_rx_bss_put(struct ieee80211_local *local, struct ieee80211_bss *bss); @@ -1268,19 +1271,23 @@ 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_hw_roc_setup(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); +void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc); +void ieee80211_sw_roc_work(struct work_struct *work); +void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc); /* interface handling */ int ieee80211_iface_init(void); void ieee80211_iface_exit(void); int ieee80211_if_add(struct ieee80211_local *local, const char *name, - struct net_device **new_dev, enum nl80211_iftype type, + struct wireless_dev **new_wdev, enum nl80211_iftype type, struct vif_params *params); int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, enum nl80211_iftype type); 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); @@ -1299,7 +1306,6 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, struct net_device *dev); /* HT */ -bool ieee80111_cfg_override_disables_ht40(struct ieee80211_sub_if_data *sdata); void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata, struct ieee80211_sta_ht_cap *ht_cap); void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata, @@ -1383,7 +1389,7 @@ static inline int __ieee80211_resume(struct ieee80211_hw *hw) extern void *mac80211_wiphy_privid; /* for wiphy privid */ u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, enum nl80211_iftype type); -int ieee80211_frame_duration(struct ieee80211_local *local, size_t len, +int ieee80211_frame_duration(enum ieee80211_band band, size_t len, int rate, int erp, int short_preamble); void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx, struct ieee80211_hdr *hdr, const u8 *tsc, @@ -1429,13 +1435,17 @@ void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, enum queue_stop_reason reason); void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, enum queue_stop_reason reason); +void ieee80211_propagate_queue_wake(struct ieee80211_local *local, int queue); void ieee80211_add_pending_skb(struct ieee80211_local *local, struct sk_buff *skb); -void ieee80211_add_pending_skbs(struct ieee80211_local *local, - struct sk_buff_head *skbs); void ieee80211_add_pending_skbs_fn(struct ieee80211_local *local, struct sk_buff_head *skbs, void (*fn)(void *data), void *data); +static inline void ieee80211_add_pending_skbs(struct ieee80211_local *local, + struct sk_buff_head *skbs) +{ + ieee80211_add_pending_skbs_fn(local, skbs, NULL, NULL); +} void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, u16 transaction, u16 auth_alg, @@ -1460,7 +1470,7 @@ void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata, const u8 *supp_rates); u32 ieee80211_sta_get_rates(struct ieee80211_local *local, struct ieee802_11_elems *elems, - enum ieee80211_band band); + 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); @@ -1470,22 +1480,16 @@ size_t ieee80211_ie_split(const u8 *ies, size_t ielen, size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, 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_info(u8 *pos, - struct ieee80211_sta_ht_cap *ht_cap, - struct ieee80211_channel *channel, - enum nl80211_channel_type channel_type); - -/* 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); -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); +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, + u16 prot_mode); +u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap, + u32 cap); +int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb, bool need_basic); +int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb, bool need_basic); /* channel management */ enum ieee80211_chan_mode { @@ -1501,10 +1505,7 @@ 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_info_to_channel_type(struct ieee80211_ht_info *ht_info); -enum nl80211_channel_type ieee80211_get_tx_channel_type( - struct ieee80211_local *local, - enum nl80211_channel_type channel_type); +ieee80211_ht_oper_to_channel_type(struct ieee80211_ht_operation *ht_oper); #ifdef CONFIG_MAC80211_NOINLINE #define debug_noinline noinline |
