#include <linux/workqueue.h>
#include <linux/types.h>
#include <linux/spinlock.h>
+#include <linux/etherdevice.h>
#include <net/wireless.h>
#include "ieee80211_key.h"
#include "sta_info.h"
struct ieee80211_local;
-#define BIT(x) (1 << (x))
-
#define IEEE80211_ALIGN32_PAD(a) ((4 - ((a) & 3)) & 3)
/* Maximum number of broadcast/multicast frames to buffer when some of the
size_t rsn_ie_len;
u8 *wmm_ie;
size_t wmm_ie_len;
+ u8 *ht_ie;
+ size_t ht_ie_len;
#define IEEE80211_MAX_SUPP_RATES 32
u8 supp_rates[IEEE80211_MAX_SUPP_RATES];
size_t supp_rates_len;
TXRX_CONTINUE, TXRX_DROP, TXRX_QUEUED
} ieee80211_txrx_result;
+/* flags used in struct ieee80211_txrx_data.flags */
+/* whether the MSDU was fragmented */
+#define IEEE80211_TXRXD_FRAGMENTED BIT(0)
+#define IEEE80211_TXRXD_TXUNICAST BIT(1)
+#define IEEE80211_TXRXD_TXPS_BUFFERED BIT(2)
+#define IEEE80211_TXRXD_TXPROBE_LAST_FRAG BIT(3)
+#define IEEE80211_TXRXD_RXIN_SCAN BIT(4)
+/* frame is destined to interface currently processed (incl. multicast frames) */
+#define IEEE80211_TXRXD_RXRA_MATCH BIT(5)
+#define IEEE80211_TXRXD_TX_INJECTED BIT(6)
+#define IEEE80211_TXRXD_RX_AMSDU BIT(7)
struct ieee80211_txrx_data {
struct sk_buff *skb;
struct net_device *dev;
struct sta_info *sta;
u16 fc, ethertype;
struct ieee80211_key *key;
- unsigned int fragmented:1; /* whether the MSDU was fragmented */
+ unsigned int flags;
union {
struct {
struct ieee80211_tx_control *control;
- unsigned int unicast:1;
- unsigned int ps_buffered:1;
- unsigned int short_preamble:1;
- unsigned int probe_last_frag:1;
struct ieee80211_hw_mode *mode;
struct ieee80211_rate *rate;
/* use this rate (if set) for last fragment; rate can
* when using CTS protection with IEEE 802.11g. */
struct ieee80211_rate *last_frag_rate;
int last_frag_hwrate;
- int mgmt_interface;
/* Extra fragments (in addition to the first fragment
* in skb) */
int sent_ps_buffered;
int queue;
int load;
- unsigned int in_scan:1;
- /* frame is destined to interface currently processed
- * (including multicast frames) */
- unsigned int ra_match:1;
+ u32 tkip_iv32;
+ u16 tkip_iv16;
} rx;
} u;
};
+/* flags used in struct ieee80211_tx_packet_data.flags */
+#define IEEE80211_TXPD_REQ_TX_STATUS BIT(0)
+#define IEEE80211_TXPD_DO_NOT_ENCRYPT BIT(1)
+#define IEEE80211_TXPD_REQUEUE BIT(2)
+#define IEEE80211_TXPD_EAPOL_FRAME BIT(3)
/* Stored in sk_buff->cb */
struct ieee80211_tx_packet_data {
int ifindex;
unsigned long jiffies;
- unsigned int req_tx_status:1;
- unsigned int do_not_encrypt:1;
- unsigned int requeue:1;
- unsigned int mgmt_iface:1;
- unsigned int queue:4;
+ unsigned int flags;
+ u8 queue;
};
struct ieee80211_tx_stored_packet {
int last_frag_rateidx;
int last_frag_hwrate;
struct ieee80211_rate *last_frag_rate;
- unsigned int last_frag_rate_ctrl_probe:1;
+ unsigned int last_frag_rate_ctrl_probe;
};
typedef ieee80211_txrx_result (*ieee80211_tx_handler)
typedef ieee80211_txrx_result (*ieee80211_rx_handler)
(struct ieee80211_txrx_data *rx);
+struct beacon_data {
+ u8 *head, *tail;
+ int head_len, tail_len;
+ int dtim_period;
+};
+
struct ieee80211_if_ap {
- u8 *beacon_head, *beacon_tail;
- int beacon_head_len, beacon_tail_len;
+ struct beacon_data *beacon;
+
+ struct list_head vlans;
u8 ssid[IEEE80211_MAX_SSID_LEN];
size_t ssid_len;
- u8 *generic_elem;
- size_t generic_elem_len;
/* yes, this looks ugly, but guarantees that we can later use
* bitmap_empty :)
u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)];
atomic_t num_sta_ps; /* number of stations in PS mode */
struct sk_buff_head ps_bc_buf;
- int dtim_period, dtim_count;
+ int dtim_count;
int force_unicast_rateidx; /* forced TX rateidx for unicast frames */
int max_ratectrl_rateidx; /* max TX rateidx for rate control */
int num_beacons; /* number of TXed beacon frames for this BSS */
};
struct ieee80211_if_vlan {
- u8 id;
+ struct ieee80211_sub_if_data *ap;
+ struct list_head list;
};
+/* flags used in struct ieee80211_if_sta.flags */
+#define IEEE80211_STA_SSID_SET BIT(0)
+#define IEEE80211_STA_BSSID_SET BIT(1)
+#define IEEE80211_STA_PREV_BSSID_SET BIT(2)
+#define IEEE80211_STA_AUTHENTICATED BIT(3)
+#define IEEE80211_STA_ASSOCIATED BIT(4)
+#define IEEE80211_STA_PROBEREQ_POLL BIT(5)
+#define IEEE80211_STA_CREATE_IBSS BIT(6)
+#define IEEE80211_STA_MIXED_CELL BIT(7)
+#define IEEE80211_STA_WMM_ENABLED BIT(8)
+#define IEEE80211_STA_AUTO_SSID_SEL BIT(10)
+#define IEEE80211_STA_AUTO_BSSID_SEL BIT(11)
+#define IEEE80211_STA_AUTO_CHANNEL_SEL BIT(12)
+#define IEEE80211_STA_PRIVACY_INVOKED BIT(13)
struct ieee80211_if_sta {
enum {
IEEE80211_DISABLED, IEEE80211_AUTHENTICATE,
u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN];
u8 ssid[IEEE80211_MAX_SSID_LEN];
size_t ssid_len;
+ u8 scan_ssid[IEEE80211_MAX_SSID_LEN];
+ size_t scan_ssid_len;
u16 aid;
u16 ap_capab, capab;
u8 *extra_ie; /* to be added to the end of AssocReq */
int auth_tries, assoc_tries;
- unsigned int ssid_set:1;
- unsigned int bssid_set:1;
- unsigned int prev_bssid_set:1;
- unsigned int authenticated:1;
- unsigned int associated:1;
- unsigned int probereq_poll:1;
- unsigned int create_ibss:1;
- unsigned int mixed_cell:1;
- unsigned int wmm_enabled:1;
- unsigned int auto_ssid_sel:1;
- unsigned int auto_bssid_sel:1;
- unsigned int auto_channel_sel:1;
+ unsigned int flags;
#define IEEE80211_STA_REQ_SCAN 0
#define IEEE80211_STA_REQ_AUTH 1
#define IEEE80211_STA_REQ_RUN 2
unsigned long request;
struct sk_buff_head skb_queue;
- int key_mgmt;
unsigned long last_probe;
#define IEEE80211_AUTH_ALG_OPEN BIT(0)
};
+/* flags used in struct ieee80211_sub_if_data.flags */
+#define IEEE80211_SDATA_ALLMULTI BIT(0)
+#define IEEE80211_SDATA_PROMISC BIT(1)
+#define IEEE80211_SDATA_USERSPACE_MLME BIT(2)
struct ieee80211_sub_if_data {
struct list_head list;
- unsigned int type;
struct wireless_dev wdev;
+ /* keys */
+ struct list_head key_list;
+
struct net_device *dev;
struct ieee80211_local *local;
- int mc_count;
- unsigned int allmulti:1;
- unsigned int promisc:1;
- unsigned int use_protection:1; /* CTS protect ERP frames */
+ unsigned int flags;
- struct net_device_stats stats;
int drop_unencrypted;
- int eapol; /* 0 = process EAPOL frames as normal data frames,
- * 1 = send EAPOL frames through wlan#ap to hostapd
- * (default) */
- int ieee802_1x; /* IEEE 802.1X PAE - drop packet to/from unauthorized
- * port */
+ /*
+ * IEEE 802.1X Port access control in effect,
+ * drop packets to/from unauthorized port
+ */
+ int ieee802_1x_pac;
u16 sequence;
struct ieee80211_key *keys[NUM_DEFAULT_KEYS];
struct ieee80211_key *default_key;
+ /*
+ * BSS configuration for this interface.
+ *
+ * FIXME: I feel bad putting this here when we already have a
+ * bss pointer, but the bss pointer is just wrong when
+ * you have multiple virtual STA mode interfaces...
+ * This needs to be fixed.
+ */
+ struct ieee80211_bss_conf bss_conf;
struct ieee80211_if_ap *bss; /* BSS that this device belongs to */
union {
struct {
struct dentry *channel_use;
struct dentry *drop_unencrypted;
- struct dentry *eapol;
- struct dentry *ieee8021_x;
+ struct dentry *ieee802_1x_pac;
struct dentry *state;
struct dentry *bssid;
struct dentry *prev_bssid;
struct {
struct dentry *channel_use;
struct dentry *drop_unencrypted;
- struct dentry *eapol;
- struct dentry *ieee8021_x;
+ struct dentry *ieee802_1x_pac;
struct dentry *num_sta_ps;
- struct dentry *dtim_period;
struct dentry *dtim_count;
struct dentry *num_beacons;
struct dentry *force_unicast_rateidx;
struct dentry *max_ratectrl_rateidx;
struct dentry *num_buffered_multicast;
- struct dentry *beacon_head_len;
- struct dentry *beacon_tail_len;
} ap;
struct {
struct dentry *channel_use;
struct dentry *drop_unencrypted;
- struct dentry *eapol;
- struct dentry *ieee8021_x;
+ struct dentry *ieee802_1x_pac;
struct dentry *peer;
} wds;
struct {
struct dentry *channel_use;
struct dentry *drop_unencrypted;
- struct dentry *eapol;
- struct dentry *ieee8021_x;
- struct dentry *vlan_id;
+ struct dentry *ieee802_1x_pac;
} vlan;
struct {
struct dentry *mode;
struct dentry *default_key;
} debugfs;
#endif
+ /* must be last, dynamically sized area in this! */
+ struct ieee80211_vif vif;
};
+static inline
+struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p)
+{
+ return container_of(p, struct ieee80211_sub_if_data, vif);
+}
+
#define IEEE80211_DEV_TO_SUB_IF(dev) netdev_priv(dev)
enum {
struct list_head modes_list;
struct net_device *mdev; /* wmaster# - "master" 802.11 device */
- struct net_device *apdev; /* wlan#ap - management frames (hostapd) */
int open_count;
int monitors;
+ unsigned int filter_flags; /* FIF_* */
struct iw_statistics wstats;
u8 wstats_flags;
int tx_headroom; /* required headroom for hardware/radiotap */
struct sk_buff_head skb_queue_unreliable;
/* Station data structures */
- spinlock_t sta_lock; /* mutex for STA data structures */
+ rwlock_t sta_lock; /* protects STA data structures */
int num_sta; /* number of stations in sta_list */
struct list_head sta_list;
- struct list_head deleted_sta_list;
struct sta_info *sta_hash[STA_HASH_SIZE];
struct timer_list sta_cleanup;
struct ieee80211_tx_stored_packet pending_packet[NUM_TX_DATA_QUEUES];
struct tasklet_struct tx_pending_tasklet;
- int mc_count; /* total count of multicast entries in all interfaces */
- int iff_allmultis, iff_promiscs;
- /* number of interfaces with corresponding IFF_ flags */
+ /* number of interfaces with corresponding IFF_ flags */
+ atomic_t iff_allmultis, iff_promiscs;
struct rate_control_ref *rate_ctrl;
- int next_mode; /* MODE_IEEE80211*
- * The mode preference for next channel change. This is
- * used to select .11g vs. .11b channels (or 4.9 GHz vs.
- * .11a) when the channel number is not unique. */
-
/* Supported and basic rate filters for different modes. These are
* pointers to -1 terminated lists and rates in 100 kbps units. */
int *supp_rates[NUM_IEEE80211_MODES];
int fragmentation_threshold;
int short_retry_limit; /* dot11ShortRetryLimit */
int long_retry_limit; /* dot11LongRetryLimit */
- int short_preamble; /* use short preamble with IEEE 802.11b */
struct crypto_blkcipher *wep_tx_tfm;
struct crypto_blkcipher *wep_rx_tfm;
u32 wep_iv;
- int key_tx_rx_threshold; /* number of times any key can be used in TX
- * or RX before generating a rekey
- * notification; 0 = notification disabled. */
int bridge_packets; /* bridge packets between associated stations and
* deliver multicast frames both back to wireless
ieee80211_rx_handler *rx_handlers;
ieee80211_tx_handler *tx_handlers;
- rwlock_t sub_if_lock; /* Protects sub_if_list. Cannot be taken under
- * sta_bss_lock or sta_lock. */
- struct list_head sub_if_list;
- int sta_scanning;
+ struct list_head interfaces;
+
+ bool sta_sw_scanning;
+ bool sta_hw_scanning;
int scan_channel_idx;
enum { SCAN_SET_CHANNEL, SCAN_SEND_PROBE } scan_state;
unsigned long last_scan_completed;
struct list_head sta_bss_list;
struct ieee80211_sta_bss *sta_bss_hash[STA_HASH_SIZE];
spinlock_t sta_bss_lock;
-#define IEEE80211_SCAN_MATCH_SSID BIT(0)
-#define IEEE80211_SCAN_WPA_ONLY BIT(1)
-#define IEEE80211_SCAN_EXTRA_INFO BIT(2)
- int scan_flags;
/* SNMP counters */
/* dot11CountersTable */
#ifdef CONFIG_MAC80211_LEDS
int tx_led_counter, rx_led_counter;
- struct led_trigger *tx_led, *rx_led;
- char tx_led_name[32], rx_led_name[32];
+ struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led;
+ char tx_led_name[32], rx_led_name[32],
+ assoc_led_name[32], radio_led_name[32];
#endif
u32 channel_use;
u32 channel_use_raw;
- u32 stat_time;
- struct timer_list stat_timer;
#ifdef CONFIG_MAC80211_DEBUGFS
struct work_struct sta_debugfs_add;
#endif
- enum {
- STA_ANTENNA_SEL_AUTO = 0,
- STA_ANTENNA_SEL_SW_CTRL = 1,
- STA_ANTENNA_SEL_SW_CTRL_DEBUG = 2
- } sta_antenna_sel;
-
#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
/* TX/RX handler statistics */
unsigned int tx_handlers_drop;
#endif /* CONFIG_MAC80211_DEBUG_COUNTERS */
- int default_wep_only; /* only default WEP keys are used with this
- * interface; this is used to decide when hwaccel
- * can be used with default keys */
int total_ps_buffered; /* total number of all buffered unicast and
* multicast packets for power saving stations
*/
- int allow_broadcast_always; /* whether to allow TX of broadcast frames
- * even when there are no associated STAs
- */
-
int wifi_wme_noack_test;
unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */
unsigned int hw_modes; /* bitfield of supported hardware modes;
* (1 << MODE_*) */
- int user_space_mlme;
-
#ifdef CONFIG_MAC80211_DEBUGFS
struct local_debugfsdentries {
struct dentry *channel;
struct dentry *frequency;
- struct dentry *radar_detect;
struct dentry *antenna_sel_tx;
struct dentry *antenna_sel_rx;
struct dentry *bridge_packets;
- struct dentry *key_tx_rx_threshold;
struct dentry *rts_threshold;
struct dentry *fragmentation_threshold;
struct dentry *short_retry_limit;
struct dentry *total_ps_buffered;
struct dentry *mode;
struct dentry *wep_iv;
- struct dentry *tx_power_reduction;
struct dentry *modes;
struct dentry *statistics;
struct local_debugfsdentries_statsdentries {
ssize_t (*store)(struct sta_info *, const char *buf, size_t count);
};
-static inline void __bss_tim_set(struct ieee80211_if_ap *bss, int aid)
+static inline void __bss_tim_set(struct ieee80211_if_ap *bss, u16 aid)
{
/*
- * This format has ben mandated by the IEEE specifications,
+ * This format has been mandated by the IEEE specifications,
* so this line may not be changed to use the __set_bit() format.
*/
- bss->tim[(aid)/8] |= 1<<((aid) % 8);
+ bss->tim[aid / 8] |= (1 << (aid % 8));
}
static inline void bss_tim_set(struct ieee80211_local *local,
- struct ieee80211_if_ap *bss, int aid)
+ struct ieee80211_if_ap *bss, u16 aid)
{
- spin_lock_bh(&local->sta_lock);
+ read_lock_bh(&local->sta_lock);
__bss_tim_set(bss, aid);
- spin_unlock_bh(&local->sta_lock);
+ read_unlock_bh(&local->sta_lock);
}
-static inline void __bss_tim_clear(struct ieee80211_if_ap *bss, int aid)
+static inline void __bss_tim_clear(struct ieee80211_if_ap *bss, u16 aid)
{
/*
- * This format has ben mandated by the IEEE specifications,
+ * This format has been mandated by the IEEE specifications,
* so this line may not be changed to use the __clear_bit() format.
*/
- bss->tim[(aid)/8] &= !(1<<((aid) % 8));
+ bss->tim[aid / 8] &= ~(1 << (aid % 8));
}
static inline void bss_tim_clear(struct ieee80211_local *local,
- struct ieee80211_if_ap *bss, int aid)
+ struct ieee80211_if_ap *bss, u16 aid)
{
- spin_lock_bh(&local->sta_lock);
+ read_lock_bh(&local->sta_lock);
__bss_tim_clear(bss, aid);
- spin_unlock_bh(&local->sta_lock);
+ read_unlock_bh(&local->sta_lock);
}
/**
return 0;
}
+static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr)
+{
+ return compare_ether_addr(raddr, addr) == 0 ||
+ is_broadcast_ether_addr(raddr);
+}
+
+
/* ieee80211.c */
int ieee80211_hw_config(struct ieee80211_local *local);
int ieee80211_if_config(struct net_device *dev);
int ieee80211_if_config_beacon(struct net_device *dev);
-struct ieee80211_key_conf *
-ieee80211_key_data2conf(struct ieee80211_local *local,
- const struct ieee80211_key *data);
-struct ieee80211_key *ieee80211_key_alloc(struct ieee80211_sub_if_data *sdata,
- int idx, size_t key_len, gfp_t flags);
-void ieee80211_key_free(struct ieee80211_key *key);
-void ieee80211_rx_mgmt(struct ieee80211_local *local, struct sk_buff *skb,
- struct ieee80211_rx_status *status, u32 msg_type);
void ieee80211_prepare_rates(struct ieee80211_local *local,
struct ieee80211_hw_mode *mode);
void ieee80211_tx_set_iswep(struct ieee80211_txrx_data *tx);
int ieee80211_if_update_wds(struct net_device *dev, u8 *remote_addr);
-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_if_setup(struct net_device *dev);
-void ieee80211_if_mgmt_setup(struct net_device *dev);
-int ieee80211_init_rate_ctrl_alg(struct ieee80211_local *local,
- const char *name);
-struct net_device_stats *ieee80211_dev_stats(struct net_device *dev);
+struct ieee80211_rate *ieee80211_get_rate(struct ieee80211_local *local,
+ int phymode, int hwrate);
+int ieee80211_hw_config_ht(struct ieee80211_local *local, int enable_ht,
+ struct ieee80211_ht_info *req_ht_cap,
+ struct ieee80211_ht_bss_info *req_bss_cap);
/* ieee80211_ioctl.c */
extern const struct iw_handler_def ieee80211_iw_handler_def;
-void ieee80211_update_default_wep_only(struct ieee80211_local *local);
-
/* Least common multiple of the used rates (in 100 kbps). This is used to
* calculate rate_inv values for each rate so that only integers are needed. */
void ieee80211_sta_req_auth(struct net_device *dev,
struct ieee80211_if_sta *ifsta);
int ieee80211_sta_scan_results(struct net_device *dev, char *buf, size_t len);
-void ieee80211_sta_rx_scan(struct net_device *dev, struct sk_buff *skb,
+ieee80211_txrx_result ieee80211_sta_rx_scan(struct net_device *dev,
+ struct sk_buff *skb,
struct ieee80211_rx_status *rx_status);
void ieee80211_rx_bss_list_init(struct net_device *dev);
void ieee80211_rx_bss_list_deinit(struct net_device *dev);
u8 *addr);
int ieee80211_sta_deauthenticate(struct net_device *dev, u16 reason);
int ieee80211_sta_disassociate(struct net_device *dev, u16 reason);
-
+void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
+ u32 changed);
+void ieee80211_reset_erp_info(struct net_device *dev);
+int ieee80211_ht_cap_ie_to_ht_info(struct ieee80211_ht_cap *ht_cap_ie,
+ struct ieee80211_ht_info *ht_info);
+int ieee80211_ht_addt_info_ie_to_ht_bss_info(
+ struct ieee80211_ht_addt_info *ht_add_info_ie,
+ struct ieee80211_ht_bss_info *bss_info);
+void ieee80211_sta_stop_rx_ba_session(struct net_device *dev, u8 *da,
+ u16 tid, u16 initiator, u16 reason);
+void sta_rx_agg_session_timer_expired(unsigned long data);
/* ieee80211_iface.c */
int ieee80211_if_add(struct net_device *dev, const char *name,
struct net_device **new_dev, int type);
int ieee80211_if_remove(struct net_device *dev, const char *name, int id);
void ieee80211_if_free(struct net_device *dev);
void ieee80211_if_sdata_init(struct ieee80211_sub_if_data *sdata);
-int ieee80211_if_add_mgmt(struct ieee80211_local *local);
-void ieee80211_if_del_mgmt(struct ieee80211_local *local);
/* regdomain.c */
void ieee80211_regdomain_init(void);
void ieee80211_set_default_regdomain(struct ieee80211_hw_mode *mode);
-/* for wiphy privid */
-extern void *mac80211_wiphy_privid;
+/* rx handling */
+extern ieee80211_rx_handler ieee80211_rx_pre_handlers[];
+extern ieee80211_rx_handler ieee80211_rx_handlers[];
+
+/* tx handling */
+extern ieee80211_tx_handler ieee80211_tx_handlers[];
+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);
+
+/* utility functions/constants */
+extern void *mac80211_wiphy_privid; /* for wiphy privid */
+extern const unsigned char rfc1042_header[6];
+extern const unsigned char bridge_tunnel_header[6];
+u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len,
+ enum ieee80211_if_types type);
+int ieee80211_frame_duration(struct ieee80211_local *local, size_t len,
+ int rate, int erp, int short_preamble);
+void mac80211_ev_michael_mic_failure(struct net_device *dev, int keyidx,
+ struct ieee80211_hdr *hdr);
#endif /* IEEE80211_I_H */
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