#include <linux/types.h>
#include <linux/spinlock.h>
#include <linux/etherdevice.h>
+#include <net/cfg80211.h>
#include <net/wireless.h>
#include <net/iw_handler.h>
+#include <net/mac80211.h>
#include "key.h"
#include "sta_info.h"
-/* ieee80211.o internal definitions, etc. These are not included into
- * low-level drivers. */
-
-#ifndef ETH_P_PAE
-#define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
-#endif /* ETH_P_PAE */
-
-#define WLAN_FC_DATA_PRESENT(fc) (((fc) & 0x4c) == 0x08)
-
-#define IEEE80211_FC(type, subtype) cpu_to_le16(type | subtype)
-
struct ieee80211_local;
/* Maximum number of broadcast/multicast frames to buffer when some of the
/* Required encryption head and tailroom */
#define IEEE80211_ENCRYPT_HEADROOM 8
-#define IEEE80211_ENCRYPT_TAILROOM 12
+#define IEEE80211_ENCRYPT_TAILROOM 18
/* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent
* reception of at least three fragmented frames. This limit can be increased
* 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))
+
struct ieee80211_fragment_entry {
unsigned long first_frag_time;
unsigned int seq;
};
-struct ieee80211_sta_bss {
- struct list_head list;
- struct ieee80211_sta_bss *hnext;
+struct ieee80211_bss {
+ /* Yes, this is a hack */
+ struct cfg80211_bss cbss;
+
+ /* don't want to look up all the time */
size_t ssid_len;
+ u8 ssid[IEEE80211_MAX_SSID_LEN];
- atomic_t users;
+ u8 dtim_period;
+
+ bool wmm_used;
+
+ unsigned long last_probe_resp;
- u8 bssid[ETH_ALEN];
- u8 ssid[IEEE80211_MAX_SSID_LEN];
- u16 capability; /* host byte order */
- enum ieee80211_band band;
- int freq;
- int signal, noise, qual;
- u8 *wpa_ie;
- size_t wpa_ie_len;
- u8 *rsn_ie;
- size_t rsn_ie_len;
- u8 *wmm_ie;
- size_t wmm_ie_len;
- u8 *ht_ie;
- size_t ht_ie_len;
- u8 *ht_add_ie;
- size_t ht_add_ie_len;
#ifdef CONFIG_MAC80211_MESH
u8 *mesh_id;
size_t mesh_id_len;
u8 *mesh_cfg;
#endif
+
#define IEEE80211_MAX_SUPP_RATES 32
u8 supp_rates[IEEE80211_MAX_SUPP_RATES];
size_t supp_rates_len;
- u64 timestamp;
- int beacon_int;
- bool probe_resp;
- unsigned long last_update;
-
- /* during assocation, we save an ERP value from a probe response so
+ /*
+ * During assocation, 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. */
- int has_erp_value;
+ * otherwise, you probably don't want to use them.
+ */
+ bool has_erp_value;
u8 erp_value;
};
-static inline u8 *bss_mesh_cfg(struct ieee80211_sta_bss *bss)
+static inline u8 *bss_mesh_cfg(struct ieee80211_bss *bss)
{
#ifdef CONFIG_MAC80211_MESH
return bss->mesh_cfg;
return NULL;
}
-static inline u8 *bss_mesh_id(struct ieee80211_sta_bss *bss)
+static inline u8 *bss_mesh_id(struct ieee80211_bss *bss)
{
#ifdef CONFIG_MAC80211_MESH
return bss->mesh_id;
return NULL;
}
-static inline u8 bss_mesh_id_len(struct ieee80211_sta_bss *bss)
+static inline u8 bss_mesh_id_len(struct ieee80211_bss *bss)
{
#ifdef CONFIG_MAC80211_MESH
return bss->mesh_id_len;
#define IEEE80211_TX_FRAGMENTED BIT(0)
#define IEEE80211_TX_UNICAST BIT(1)
#define IEEE80211_TX_PS_BUFFERED BIT(2)
-#define IEEE80211_TX_PROBE_LAST_FRAG BIT(3)
struct ieee80211_tx_data {
struct sk_buff *skb;
struct ieee80211_key *key;
struct ieee80211_channel *channel;
- s8 rate_idx;
- /* use this rate (if set) for last fragment; rate can
- * be set to lower rate for the first fragments, e.g.,
- * when using CTS protection with IEEE 802.11g. */
- s8 last_frag_rate_idx;
/* Extra fragments (in addition to the first fragment
* in skb) */
struct sk_buff **extra_frag;
int num_extra_frag;
- u16 fc, ethertype;
+ u16 ethertype;
unsigned int flags;
};
struct ieee80211_rx_status *status;
struct ieee80211_rate *rate;
- u16 fc, ethertype;
unsigned int flags;
int sent_ps_buffered;
int queue;
struct ieee80211_tx_stored_packet {
struct sk_buff *skb;
struct sk_buff **extra_frag;
- s8 last_frag_rate_idx;
int num_extra_frag;
- bool last_frag_rate_ctrl_probe;
};
struct beacon_data {
struct list_head vlans;
- u8 ssid[IEEE80211_MAX_SSID_LEN];
- size_t ssid_len;
-
/* 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 */
struct sk_buff_head ps_bc_buf;
atomic_t num_sta_ps; /* number of stations in PS mode */
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_wds {
};
struct ieee80211_if_vlan {
- struct ieee80211_sub_if_data *ap;
struct list_head list;
};
u8 flags;
};
-struct mesh_config {
- /* Timeouts in ms */
- /* Mesh plink management parameters */
- u16 dot11MeshRetryTimeout;
- u16 dot11MeshConfirmTimeout;
- u16 dot11MeshHoldingTimeout;
- u16 dot11MeshMaxPeerLinks;
- u8 dot11MeshMaxRetries;
- u8 dot11MeshTTL;
- bool auto_open_plinks;
- /* HWMP parameters */
- u8 dot11MeshHWMPmaxPREQretries;
- u32 path_refresh_time;
- u16 min_discovery_timeout;
- u32 dot11MeshHWMPactivePathTimeout;
- u16 dot11MeshHWMPpreqMinInterval;
- u16 dot11MeshHWMPnetDiameterTraversalTime;
-};
-
-
-/* flags used in struct ieee80211_if_sta.flags */
+/* flags used in struct ieee80211_if_managed.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_AUTO_BSSID_SEL BIT(11)
#define IEEE80211_STA_AUTO_CHANNEL_SEL BIT(12)
#define IEEE80211_STA_PRIVACY_INVOKED BIT(13)
-struct ieee80211_if_sta {
+#define IEEE80211_STA_TKIP_WEP_USED BIT(14)
+#define IEEE80211_STA_CSA_RECEIVED BIT(15)
+#define IEEE80211_STA_MFP_ENABLED BIT(16)
+/* flags for MLME request */
+#define IEEE80211_STA_REQ_SCAN 0
+#define IEEE80211_STA_REQ_DIRECT_PROBE 1
+#define IEEE80211_STA_REQ_AUTH 2
+#define IEEE80211_STA_REQ_RUN 3
+
+/* bitfield of allowed auth algs */
+#define IEEE80211_AUTH_ALG_OPEN BIT(0)
+#define IEEE80211_AUTH_ALG_SHARED_KEY BIT(1)
+#define IEEE80211_AUTH_ALG_LEAP BIT(2)
+
+struct ieee80211_if_managed {
struct timer_list timer;
+ struct timer_list chswitch_timer;
struct work_struct work;
+ struct work_struct chswitch_work;
+
u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN];
+
u8 ssid[IEEE80211_MAX_SSID_LEN];
+ size_t ssid_len;
+
enum {
- IEEE80211_DISABLED, IEEE80211_AUTHENTICATE,
- IEEE80211_ASSOCIATE, IEEE80211_ASSOCIATED,
- IEEE80211_IBSS_SEARCH, IEEE80211_IBSS_JOINED,
- IEEE80211_MESH_UP
+ IEEE80211_STA_MLME_DISABLED,
+ IEEE80211_STA_MLME_DIRECT_PROBE,
+ IEEE80211_STA_MLME_AUTHENTICATE,
+ IEEE80211_STA_MLME_ASSOCIATE,
+ IEEE80211_STA_MLME_ASSOCIATED,
} state;
- size_t ssid_len;
- u8 scan_ssid[IEEE80211_MAX_SSID_LEN];
- size_t scan_ssid_len;
-#ifdef CONFIG_MAC80211_MESH
- struct timer_list mesh_path_timer;
- u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN];
- size_t mesh_id_len;
- /* Active Path Selection Protocol Identifier */
- u8 mesh_pp_id[4];
- /* Active Path Selection Metric Identifier */
- u8 mesh_pm_id[4];
- /* Congestion Control Mode Identifier */
- u8 mesh_cc_id[4];
- /* Local mesh Destination Sequence Number */
- u32 dsn;
- /* Last used PREQ ID */
- u32 preq_id;
- atomic_t mpaths;
- /* Timestamp of last DSN update */
- unsigned long last_dsn_update;
- /* Timestamp of last DSN sent */
- unsigned long last_preq;
- struct mesh_rmc *rmc;
- spinlock_t mesh_preq_queue_lock;
- struct mesh_preq_queue preq_queue;
- int preq_queue_len;
- struct mesh_stats mshstats;
- struct mesh_config mshcfg;
- u32 mesh_seqnum;
- bool accepting_plinks;
-#endif
+
u16 aid;
u16 ap_capab, capab;
u8 *extra_ie; /* to be added to the end of AssocReq */
struct sk_buff_head skb_queue;
- int auth_tries, assoc_tries;
+ int assoc_scan_tries; /* number of scans done pre-association */
+ int direct_probe_tries; /* retries for direct probes */
+ int auth_tries; /* retries for auth req */
+ int assoc_tries; /* retries for assoc req */
unsigned long request;
unsigned long last_probe;
unsigned int flags;
-#define IEEE80211_STA_REQ_SCAN 0
-#define IEEE80211_STA_REQ_AUTH 1
-#define IEEE80211_STA_REQ_RUN 2
-#define IEEE80211_AUTH_ALG_OPEN BIT(0)
-#define IEEE80211_AUTH_ALG_SHARED_KEY BIT(1)
-#define IEEE80211_AUTH_ALG_LEAP BIT(2)
unsigned int auth_algs; /* bitfield of allowed auth algs */
int auth_alg; /* currently used IEEE 802.11 authentication algorithm */
int auth_transaction;
+ enum {
+ IEEE80211_MFP_DISABLED,
+ IEEE80211_MFP_OPTIONAL,
+ IEEE80211_MFP_REQUIRED
+ } mfp; /* management frame protection */
+
+ int wmm_last_param_set;
+
+ /* Extra IE data for management frames */
+ u8 *ie_probereq;
+ size_t ie_probereq_len;
+ u8 *ie_proberesp;
+ size_t ie_proberesp_len;
+ u8 *ie_auth;
+ size_t ie_auth_len;
+ u8 *ie_assocreq;
+ size_t ie_assocreq_len;
+ u8 *ie_reassocreq;
+ size_t ie_reassocreq_len;
+ u8 *ie_deauth;
+ size_t ie_deauth_len;
+ u8 *ie_disassoc;
+ size_t ie_disassoc_len;
+};
+
+enum ieee80211_ibss_flags {
+ IEEE80211_IBSS_AUTO_CHANNEL_SEL = BIT(0),
+ IEEE80211_IBSS_AUTO_BSSID_SEL = BIT(1),
+ IEEE80211_IBSS_BSSID_SET = BIT(2),
+ IEEE80211_IBSS_PREV_BSSID_SET = BIT(3),
+ IEEE80211_IBSS_SSID_SET = BIT(4),
+};
+
+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;
+
+ u8 ssid[IEEE80211_MAX_SSID_LEN];
+ u8 ssid_len;
+
+ u32 flags;
+
+ u8 bssid[ETH_ALEN];
+
+ unsigned long request;
+
unsigned long ibss_join_req;
struct sk_buff *probe_resp; /* ProbeResp template for IBSS */
- u32 supp_rates_bits[IEEE80211_NUM_BANDS];
- int wmm_last_param_set;
- int num_beacons; /* number of TXed beacon frames by this STA */
+ enum {
+ IEEE80211_IBSS_MLME_SEARCH,
+ IEEE80211_IBSS_MLME_JOINED,
+ } state;
};
-static inline void ieee80211_if_sta_set_mesh_id(struct ieee80211_if_sta *ifsta,
- u8 mesh_id_len, u8 *mesh_id)
-{
-#ifdef CONFIG_MAC80211_MESH
- ifsta->mesh_id_len = mesh_id_len;
- memcpy(ifsta->mesh_id, mesh_id, mesh_id_len);
-#endif
-}
+struct ieee80211_if_mesh {
+ struct work_struct work;
+ struct timer_list housekeeping_timer;
+ struct timer_list mesh_path_timer;
+ struct sk_buff_head skb_queue;
+
+ bool housekeeping;
+
+ u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN];
+ size_t mesh_id_len;
+ /* Active Path Selection Protocol Identifier */
+ u8 mesh_pp_id[4];
+ /* Active Path Selection Metric Identifier */
+ u8 mesh_pm_id[4];
+ /* Congestion Control Mode Identifier */
+ u8 mesh_cc_id[4];
+ /* Local mesh Destination Sequence Number */
+ u32 dsn;
+ /* Last used PREQ ID */
+ u32 preq_id;
+ atomic_t mpaths;
+ /* Timestamp of last DSN update */
+ unsigned long last_dsn_update;
+ /* Timestamp of last DSN sent */
+ unsigned long last_preq;
+ struct mesh_rmc *rmc;
+ spinlock_t mesh_preq_queue_lock;
+ struct mesh_preq_queue preq_queue;
+ int preq_queue_len;
+ struct mesh_stats mshstats;
+ struct mesh_config mshcfg;
+ u32 mesh_seqnum;
+ bool accepting_plinks;
+};
#ifdef CONFIG_MAC80211_MESH
-#define IEEE80211_IFSTA_MESH_CTR_INC(sta, name) \
- do { (sta)->mshstats.name++; } while (0)
+#define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \
+ do { (msh)->mshstats.name++; } while (0)
#else
-#define IEEE80211_IFSTA_MESH_CTR_INC(sta, name) \
+#define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \
do { } while (0)
#endif
-/* 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)
-#define IEEE80211_SDATA_OPERATING_GMODE BIT(3)
+/**
+ * enum ieee80211_sub_if_data_flags - virtual interface flags
+ *
+ * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets
+ * @IEEE80211_SDATA_PROMISC: interface is promisc
+ * @IEEE80211_SDATA_USERSPACE_MLME: userspace MLME is active
+ * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode
+ * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between
+ * associated stations and deliver multicast frames both
+ * back to wireless media and to the local net stack.
+ */
+enum ieee80211_sub_if_data_flags {
+ IEEE80211_SDATA_ALLMULTI = BIT(0),
+ IEEE80211_SDATA_PROMISC = BIT(1),
+ IEEE80211_SDATA_USERSPACE_MLME = BIT(2),
+ IEEE80211_SDATA_OPERATING_GMODE = BIT(3),
+ IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(4),
+};
+
struct ieee80211_sub_if_data {
struct list_head list;
int drop_unencrypted;
- /*
- * basic rates of this AP or the AP we're associated to
- */
- u64 basic_rates;
-
- u16 sequence;
-
/* Fragment table for host-based reassembly */
struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX];
unsigned int fragment_next;
#define NUM_DEFAULT_KEYS 4
- struct ieee80211_key *keys[NUM_DEFAULT_KEYS];
+#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;
/*
- * 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.
+ * AP this belongs to: self in AP mode and
+ * corresponding AP in VLAN mode, NULL for
+ * all others (might be needed later in IBSS)
*/
- struct ieee80211_bss_conf bss_conf;
- struct ieee80211_if_ap *bss; /* BSS that this device belongs to */
+ struct ieee80211_if_ap *bss;
+
+ int force_unicast_rateidx; /* forced TX rateidx for unicast frames */
+ int max_ratectrl_rateidx; /* max TX rateidx for rate control */
union {
struct ieee80211_if_ap ap;
struct ieee80211_if_wds wds;
struct ieee80211_if_vlan vlan;
- struct ieee80211_if_sta sta;
+ struct ieee80211_if_managed mgd;
+ struct ieee80211_if_ibss ibss;
+#ifdef CONFIG_MAC80211_MESH
+ struct ieee80211_if_mesh mesh;
+#endif
u32 mntr_flags;
} u;
struct dentry *auth_alg;
struct dentry *auth_transaction;
struct dentry *flags;
- struct dentry *num_beacons_sta;
+ struct dentry *force_unicast_rateidx;
+ struct dentry *max_ratectrl_rateidx;
} sta;
struct {
struct dentry *drop_unencrypted;
struct dentry *num_sta_ps;
struct dentry *dtim_count;
- struct dentry *num_beacons;
struct dentry *force_unicast_rateidx;
struct dentry *max_ratectrl_rateidx;
struct dentry *num_buffered_multicast;
struct {
struct dentry *drop_unencrypted;
struct dentry *peer;
+ struct dentry *force_unicast_rateidx;
+ struct dentry *max_ratectrl_rateidx;
} wds;
struct {
struct dentry *drop_unencrypted;
+ struct dentry *force_unicast_rateidx;
+ struct dentry *max_ratectrl_rateidx;
} vlan;
struct {
struct dentry *mode;
} monitor;
- struct dentry *default_key;
} debugfs;
+ struct {
+ struct dentry *default_key;
+ struct dentry *default_mgmt_key;
+ } common_debugfs;
#ifdef CONFIG_MAC80211_MESH
struct dentry *mesh_stats_dir;
return container_of(p, struct ieee80211_sub_if_data, vif);
}
-#define IEEE80211_DEV_TO_SUB_IF(dev) netdev_priv(dev)
+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 {
IEEE80211_RX_MSG = 1,
IEEE80211_ADDBA_MSG = 4,
};
+enum queue_stop_reason {
+ IEEE80211_QUEUE_STOP_REASON_DRIVER,
+ IEEE80211_QUEUE_STOP_REASON_PS,
+ IEEE80211_QUEUE_STOP_REASON_CSA,
+ IEEE80211_QUEUE_STOP_REASON_AGGREGATION,
+};
+
+struct ieee80211_master_priv {
+ struct ieee80211_local *local;
+};
+
struct ieee80211_local {
/* embed the driver visible part.
* don't cast (use the static inlines below), but we keep
const struct ieee80211_ops *ops;
+ /* AC queue corresponding to each AMPDU queue */
+ s8 ampdu_ac_queue[IEEE80211_MAX_AMPDU_QUEUES];
+ unsigned int amdpu_ac_stop_refcnt[IEEE80211_MAX_AMPDU_QUEUES];
+
+ unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES +
+ IEEE80211_MAX_AMPDU_QUEUES];
+ /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */
+ spinlock_t queue_stop_reason_lock;
+
struct net_device *mdev; /* wmaster# - "master" 802.11 device */
int open_count;
int monitors, cooked_mntrs;
int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss;
unsigned int filter_flags; /* FIF_* */
struct iw_statistics wstats;
- u8 wstats_flags;
bool tim_in_locked_section; /* see ieee80211_beacon_get() */
int tx_headroom; /* required headroom for hardware/radiotap */
- enum {
- IEEE80211_DEV_UNINITIALIZED = 0,
- IEEE80211_DEV_REGISTERED,
- IEEE80211_DEV_UNREGISTERED,
- } reg_state;
-
/* 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 timer_list sta_cleanup;
unsigned long queues_pending[BITS_TO_LONGS(IEEE80211_MAX_QUEUES)];
+ unsigned long queues_pending_run[BITS_TO_LONGS(IEEE80211_MAX_QUEUES)];
struct ieee80211_tx_stored_packet pending_packet[IEEE80211_MAX_QUEUES];
struct tasklet_struct tx_pending_tasklet;
int rts_threshold;
int fragmentation_threshold;
- int short_retry_limit; /* dot11ShortRetryLimit */
- int long_retry_limit; /* dot11LongRetryLimit */
struct crypto_blkcipher *wep_tx_tfm;
struct crypto_blkcipher *wep_rx_tfm;
u32 wep_iv;
- int bridge_packets; /* bridge packets between associated stations and
- * deliver multicast frames both back to wireless
- * media and to the local net stack */
-
+ /* see iface.c */
struct list_head interfaces;
+ struct mutex iflist_mtx;
/*
* Key lock, protects sdata's key_list and sta_info's
spinlock_t key_lock;
- bool sta_sw_scanning;
- bool sta_hw_scanning;
+ /* Scanning and BSS list */
+ bool sw_scanning, hw_scanning;
+ struct cfg80211_ssid scan_ssid;
+ struct cfg80211_scan_request int_scan_req;
+ struct cfg80211_scan_request *scan_req;
+ struct ieee80211_channel *scan_channel;
int scan_channel_idx;
- enum ieee80211_band scan_band;
enum { SCAN_SET_CHANNEL, SCAN_SEND_PROBE } scan_state;
unsigned long last_scan_completed;
struct delayed_work scan_work;
- struct net_device *scan_dev;
- struct ieee80211_channel *oper_channel, *scan_channel;
- u8 scan_ssid[IEEE80211_MAX_SSID_LEN];
- size_t scan_ssid_len;
- struct list_head sta_bss_list;
- struct ieee80211_sta_bss *sta_bss_hash[STA_HASH_SIZE];
- spinlock_t sta_bss_lock;
+ struct ieee80211_sub_if_data *scan_sdata;
+ enum nl80211_channel_type oper_channel_type;
+ struct ieee80211_channel *oper_channel, *csa_channel;
/* SNMP counters */
/* dot11CountersTable */
u32 dot11ReceivedFragmentCount;
u32 dot11MulticastReceivedFrameCount;
u32 dot11TransmittedFrameCount;
- u32 dot11WEPUndecryptableCount;
#ifdef CONFIG_MAC80211_LEDS
int tx_led_counter, rx_led_counter;
int wifi_wme_noack_test;
unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */
+ bool powersave;
+ bool pspolling;
+ struct work_struct dynamic_ps_enable_work;
+ struct work_struct dynamic_ps_disable_work;
+ struct timer_list dynamic_ps_timer;
+
+ int user_power_level; /* in dBm */
+ int power_constr_level; /* in dBm */
+
#ifdef CONFIG_MAC80211_DEBUGFS
struct local_debugfsdentries {
+ struct dentry *rcdir;
+ struct dentry *rcname;
struct dentry *frequency;
- struct dentry *antenna_sel_tx;
- struct dentry *antenna_sel_rx;
- struct dentry *bridge_packets;
struct dentry *rts_threshold;
struct dentry *fragmentation_threshold;
struct dentry *short_retry_limit;
struct dentry *long_retry_limit;
struct dentry *total_ps_buffered;
struct dentry *wep_iv;
+ struct dentry *tsf;
struct dentry *statistics;
struct local_debugfsdentries_statsdentries {
struct dentry *transmitted_fragment_count;
#endif
};
-static inline int ieee80211_is_multiqueue(struct ieee80211_local *local)
+static inline struct ieee80211_sub_if_data *
+IEEE80211_DEV_TO_SUB_IF(struct net_device *dev)
{
-#ifdef CONFIG_MAC80211_QOS
- return netif_is_multiqueue(local->mdev);
-#else
- return 0;
-#endif
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+
+ BUG_ON(!local || local->mdev == dev);
+
+ return netdev_priv(dev);
}
/* this struct represents 802.11n's RA/TID combination */
/* Parsed Information Elements */
struct ieee802_11_elems {
+ u8 *ie_start;
+ size_t total_len;
+
/* pointers to IEs */
u8 *ssid;
u8 *supp_rates;
u8 *ext_supp_rates;
u8 *wmm_info;
u8 *wmm_param;
- u8 *ht_cap_elem;
- u8 *ht_info_elem;
+ struct ieee80211_ht_cap *ht_cap_elem;
+ struct ieee80211_ht_info *ht_info_elem;
u8 *mesh_config;
u8 *mesh_id;
u8 *peer_link;
u8 *country_elem;
u8 *pwr_constr_elem;
u8 *quiet_elem; /* first quite element */
+ u8 *timeout_int;
/* length of them, respectively */
u8 ssid_len;
u8 ext_supp_rates_len;
u8 wmm_info_len;
u8 wmm_param_len;
- u8 ht_cap_elem_len;
- u8 ht_info_elem_len;
u8 mesh_config_len;
u8 mesh_id_len;
u8 peer_link_len;
u8 pwr_constr_elem_len;
u8 quiet_elem_len;
u8 num_of_quiet_elem; /* can be more the one */
+ u8 timeout_int_len;
};
static inline struct ieee80211_local *hw_to_local(
return &local->hw;
}
-struct sta_attribute {
- struct attribute attr;
- ssize_t (*show)(const struct sta_info *, char *buf);
- ssize_t (*store)(struct sta_info *, const char *buf, size_t count);
-};
static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr)
{
}
-/* 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);
+int ieee80211_hw_config(struct ieee80211_local *local, u32 changed);
+int ieee80211_if_config(struct ieee80211_sub_if_data *sdata, u32 changed);
void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx);
-void ieee80211_if_setup(struct net_device *dev);
-u32 ieee80211_handle_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;
-int ieee80211_set_freq(struct net_device *dev, int freq);
-
-/* ieee80211_sta.c */
-void ieee80211_sta_timer(unsigned long data);
-void ieee80211_sta_work(struct work_struct *work);
-void ieee80211_sta_scan_work(struct work_struct *work);
-void ieee80211_sta_rx_mgmt(struct net_device *dev, struct sk_buff *skb,
- struct ieee80211_rx_status *rx_status);
-int ieee80211_sta_set_ssid(struct net_device *dev, char *ssid, size_t len);
-int ieee80211_sta_get_ssid(struct net_device *dev, char *ssid, size_t *len);
-int ieee80211_sta_set_bssid(struct net_device *dev, u8 *bssid);
-int ieee80211_sta_req_scan(struct net_device *dev, u8 *ssid, size_t ssid_len);
-void ieee80211_sta_req_auth(struct net_device *dev,
- struct ieee80211_if_sta *ifsta);
-int ieee80211_sta_scan_results(struct net_device *dev,
- struct iw_request_info *info,
- char *buf, size_t len);
-ieee80211_rx_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);
-int ieee80211_sta_set_extra_ie(struct net_device *dev, char *ie, size_t len);
-struct sta_info *ieee80211_ibss_add_sta(struct net_device *dev,
- struct sk_buff *skb, u8 *bssid,
- u8 *addr, u64 supp_rates);
-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_send_addba_request(struct net_device *dev, const u8 *da,
- u16 tid, u8 dialog_token, u16 start_seq_num,
- u16 agg_size, u16 timeout);
-void ieee80211_send_delba(struct net_device *dev, const u8 *da, u16 tid,
- u16 initiator, u16 reason_code);
-
-void ieee80211_sta_stop_rx_ba_session(struct net_device *dev, u8 *da,
- u16 tid, u16 initiator, u16 reason);
-void sta_addba_resp_timer_expired(unsigned long data);
-void ieee80211_sta_tear_down_BA_sessions(struct net_device *dev, u8 *addr);
-u64 ieee80211_sta_get_rates(struct ieee80211_local *local,
- struct ieee802_11_elems *elems,
- enum ieee80211_band band);
-void ieee80211_sta_tx(struct net_device *dev, struct sk_buff *skb,
- int encrypt);
-void ieee802_11_parse_elems(u8 *start, size_t len,
- struct ieee802_11_elems *elems);
+void ieee80211_configure_filter(struct ieee80211_local *local);
+u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata);
-#ifdef CONFIG_MAC80211_MESH
-void ieee80211_start_mesh(struct net_device *dev);
-#else
-static inline void ieee80211_start_mesh(struct net_device *dev)
-{}
-#endif
+/* wireless extensions */
+extern const struct iw_handler_def ieee80211_iw_handler_def;
-/* ieee80211_iface.c */
-int ieee80211_if_add(struct net_device *dev, const char *name,
- struct net_device **new_dev, int type,
+/* STA code */
+void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata);
+ieee80211_rx_result ieee80211_sta_rx_mgmt(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb,
+ struct ieee80211_rx_status *rx_status);
+int ieee80211_sta_commit(struct ieee80211_sub_if_data *sdata);
+int ieee80211_sta_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t len);
+int ieee80211_sta_get_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t *len);
+int ieee80211_sta_set_bssid(struct ieee80211_sub_if_data *sdata, u8 *bssid);
+void ieee80211_sta_req_auth(struct ieee80211_sub_if_data *sdata);
+int ieee80211_sta_deauthenticate(struct ieee80211_sub_if_data *sdata, u16 reason);
+int ieee80211_sta_disassociate(struct ieee80211_sub_if_data *sdata, u16 reason);
+void ieee80211_send_pspoll(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata);
+
+/* IBSS code */
+int ieee80211_ibss_commit(struct ieee80211_sub_if_data *sdata);
+int ieee80211_ibss_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t len);
+int ieee80211_ibss_get_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t *len);
+int ieee80211_ibss_set_bssid(struct ieee80211_sub_if_data *sdata, u8 *bssid);
+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 ieee80211_rx_status *rx_status);
+struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata,
+ u8 *bssid, u8 *addr, u32 supp_rates);
+
+/* scan/BSS handling */
+void ieee80211_scan_work(struct work_struct *work);
+int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata,
+ struct cfg80211_scan_request *req);
+int ieee80211_scan_results(struct ieee80211_local *local,
+ struct iw_request_info *info,
+ char *buf, size_t len);
+ieee80211_rx_result
+ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb,
+ struct ieee80211_rx_status *rx_status);
+int ieee80211_sta_set_extra_ie(struct ieee80211_sub_if_data *sdata,
+ char *ie, size_t len);
+
+void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local);
+void ieee80211_scan_failed(struct ieee80211_local *local);
+int ieee80211_start_scan(struct ieee80211_sub_if_data *scan_sdata,
+ struct cfg80211_scan_request *req);
+struct ieee80211_bss *
+ieee80211_bss_info_update(struct ieee80211_local *local,
+ struct ieee80211_rx_status *rx_status,
+ struct ieee80211_mgmt *mgmt,
+ size_t len,
+ 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);
+void ieee80211_rx_bss_remove(struct ieee80211_sub_if_data *sdata, u8 *bssid,
+ int freq, u8 *ssid, u8 ssid_len);
+
+/* interface handling */
+int ieee80211_if_add(struct ieee80211_local *local, const char *name,
+ struct net_device **new_dev, enum nl80211_iftype type,
struct vif_params *params);
-void ieee80211_if_set_type(struct net_device *dev, int type);
-void ieee80211_if_reinit(struct net_device *dev);
-void __ieee80211_if_del(struct ieee80211_local *local,
- struct ieee80211_sub_if_data *sdata);
-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_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);
/* tx handling */
void ieee80211_clear_tx_pending(struct ieee80211_local *local);
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);
+/* HT */
+void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_supported_band *sband,
+ struct ieee80211_ht_cap *ht_cap_ie,
+ struct ieee80211_sta_ht_cap *ht_cap);
+u32 ieee80211_enable_ht(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_ht_info *hti,
+ u16 ap_ht_cap_flags);
+void ieee80211_send_bar(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid, u16 ssn);
+void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata,
+ const u8 *da, u16 tid,
+ u16 initiator, u16 reason_code);
+
+void ieee80211_sta_stop_rx_ba_session(struct ieee80211_sub_if_data *sdata, u8 *da,
+ u16 tid, u16 initiator, u16 reason);
+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);
+void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata,
+ struct sta_info *sta,
+ struct ieee80211_mgmt *mgmt, size_t len);
+void ieee80211_process_addba_resp(struct ieee80211_local *local,
+ struct sta_info *sta,
+ struct ieee80211_mgmt *mgmt,
+ size_t len);
+void ieee80211_process_addba_request(struct ieee80211_local *local,
+ struct sta_info *sta,
+ struct ieee80211_mgmt *mgmt,
+ size_t len);
+
+int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
+ enum ieee80211_back_parties initiator);
+
+/* Spectrum management */
+void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_mgmt *mgmt,
+ size_t len);
+void ieee80211_chswitch_timer(unsigned long data);
+void ieee80211_chswitch_work(struct work_struct *work);
+void ieee80211_process_chanswitch(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_channel_sw_ie *sw_elem,
+ struct ieee80211_bss *bss);
+void ieee80211_handle_pwr_constr(struct ieee80211_sub_if_data *sdata,
+ u16 capab_info, u8 *pwr_constr_elem,
+ u8 pwr_constr_elem_len);
+
+/* Suspend/resume */
+int __ieee80211_suspend(struct ieee80211_hw *hw);
+int __ieee80211_resume(struct ieee80211_hw *hw);
+
/* 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);
+ enum nl80211_iftype 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,
+void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx,
struct ieee80211_hdr *hdr);
+void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata);
+void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
+ int encrypt);
+void ieee802_11_parse_elems(u8 *start, size_t len,
+ struct ieee802_11_elems *elems);
+int ieee80211_set_freq(struct ieee80211_sub_if_data *sdata, int freq);
+u32 ieee80211_mandatory_rates(struct ieee80211_local *local,
+ enum ieee80211_band band);
+
+void ieee80211_dynamic_ps_enable_work(struct work_struct *work);
+void ieee80211_dynamic_ps_disable_work(struct work_struct *work);
+void ieee80211_dynamic_ps_timer(unsigned long data);
+void ieee80211_send_nullfunc(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata,
+ int powersave);
+
+void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw,
+ enum queue_stop_reason reason);
+void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw,
+ enum queue_stop_reason reason);
+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_send_auth(struct ieee80211_sub_if_data *sdata,
+ u16 transaction, u16 auth_alg,
+ u8 *extra, size_t extra_len,
+ const u8 *bssid, int encrypt);
+void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
+ u8 *ssid, size_t ssid_len,
+ u8 *ie, size_t ie_len);
+
+void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata,
+ const size_t supp_rates_len,
+ const u8 *supp_rates);
+u32 ieee80211_sta_get_rates(struct ieee80211_local *local,
+ struct ieee802_11_elems *elems,
+ enum ieee80211_band band);
-#ifdef CONFIG_MAC80211_DEBUG
+#ifdef CONFIG_MAC80211_NOINLINE
#define debug_noinline noinline
#else
#define debug_noinline