* Copyright 2002-2005, Instant802 Networks, Inc.
* Copyright 2005, Devicescape Software, Inc.
* Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
+ * Copyright 2007-2008 Johannes Berg <johannes@sipsolutions.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
#include <linux/spinlock.h>
#include <linux/etherdevice.h>
#include <net/wireless.h>
-#include "ieee80211_key.h"
+#include <net/iw_handler.h>
+#include "key.h"
#include "sta_info.h"
/* ieee80211.o internal definitions, etc. These are not included into
#define WLAN_FC_DATA_PRESENT(fc) (((fc) & 0x4c) == 0x08)
-struct ieee80211_local;
+#define IEEE80211_FC(type, subtype) cpu_to_le16(type | subtype)
-#define IEEE80211_ALIGN32_PAD(a) ((4 - ((a) & 3)) & 3)
+struct ieee80211_local;
/* Maximum number of broadcast/multicast frames to buffer when some of the
* associated stations are using power saving. */
u16 capability; /* host byte order */
enum ieee80211_band band;
int freq;
- int rssi, signal, noise;
+ int signal, noise, qual;
u8 *wpa_ie;
size_t wpa_ie_len;
u8 *rsn_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;
u64 timestamp;
int beacon_int;
- int probe_resp;
+ bool probe_resp;
unsigned long last_update;
/* during assocation, we save an ERP value from a probe response so
#define IEEE80211_TX_UNICAST BIT(1)
#define IEEE80211_TX_PS_BUFFERED BIT(2)
#define IEEE80211_TX_PROBE_LAST_FRAG BIT(3)
-#define IEEE80211_TX_INJECTED BIT(4)
struct ieee80211_tx_data {
struct sk_buff *skb;
struct sta_info *sta;
struct ieee80211_key *key;
- struct ieee80211_tx_control *control;
struct ieee80211_channel *channel;
- struct ieee80211_rate *rate;
+ 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. */
- struct ieee80211_rate *last_frag_rate;
+ s8 last_frag_rate_idx;
/* Extra fragments (in addition to the first fragment
* in skb) */
unsigned int flags;
int sent_ps_buffered;
int queue;
- int load;
u32 tkip_iv32;
u16 tkip_iv16;
};
-/* 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)
-#define IEEE80211_TXPD_AMPDU BIT(4)
-/* Stored in sk_buff->cb */
-struct ieee80211_tx_packet_data {
- int ifindex;
- unsigned long jiffies;
- unsigned int flags;
- u8 queue;
-};
-
struct ieee80211_tx_stored_packet {
- struct ieee80211_tx_control control;
struct sk_buff *skb;
struct sk_buff **extra_frag;
- struct ieee80211_rate *last_frag_rate;
+ s8 last_frag_rate_idx;
int num_extra_frag;
- unsigned int last_frag_rate_ctrl_probe;
+ bool last_frag_rate_ctrl_probe;
};
struct beacon_data {
int preq_queue_len;
struct mesh_stats mshstats;
struct mesh_config mshcfg;
- u8 mesh_seqnum[3];
+ u32 mesh_seqnum;
bool accepting_plinks;
#endif
u16 aid;
struct ieee80211_if_sta sta;
u32 mntr_flags;
} u;
- int channel_use;
- int channel_use_raw;
#ifdef CONFIG_MAC80211_DEBUGFS
struct dentry *debugfsdir;
union {
struct {
- struct dentry *channel_use;
struct dentry *drop_unencrypted;
struct dentry *state;
struct dentry *bssid;
struct dentry *num_beacons_sta;
} sta;
struct {
- struct dentry *channel_use;
struct dentry *drop_unencrypted;
struct dentry *num_sta_ps;
struct dentry *dtim_count;
struct dentry *num_buffered_multicast;
} ap;
struct {
- struct dentry *channel_use;
struct dentry *drop_unencrypted;
struct dentry *peer;
} wds;
struct {
- struct dentry *channel_use;
struct dentry *drop_unencrypted;
} vlan;
struct {
/*
* The lock only protects the list, hash, timer and counter
* against manipulation, reads are done in RCU. Additionally,
- * the lock protects each BSS's TIM bitmap and a few items
- * in a STA info structure.
+ * the lock protects each BSS's TIM bitmap.
*/
spinlock_t sta_lock;
unsigned long num_sta;
struct list_head sta_list;
+ struct list_head sta_flush_list;
+ struct work_struct sta_flush_work;
struct sta_info *sta_hash[STA_HASH_SIZE];
struct timer_list sta_cleanup;
- unsigned long state[NUM_TX_DATA_QUEUES_AMPDU];
- struct ieee80211_tx_stored_packet pending_packet[NUM_TX_DATA_QUEUES_AMPDU];
+ unsigned long queues_pending[BITS_TO_LONGS(IEEE80211_MAX_QUEUES)];
+ struct ieee80211_tx_stored_packet pending_packet[IEEE80211_MAX_QUEUES];
struct tasklet_struct tx_pending_tasklet;
/* number of interfaces with corresponding IFF_ flags */
struct list_head interfaces;
+ /*
+ * Key lock, protects sdata's key_list and sta_info's
+ * key pointers (write access, they're RCU.)
+ */
+ spinlock_t key_lock;
+
+
bool sta_sw_scanning;
bool sta_hw_scanning;
int scan_channel_idx;
assoc_led_name[32], radio_led_name[32];
#endif
- u32 channel_use;
- u32 channel_use_raw;
-
#ifdef CONFIG_MAC80211_DEBUGFS
struct work_struct sta_debugfs_add;
#endif
unsigned int rx_expand_skb_head2;
unsigned int rx_handlers_fragments;
unsigned int tx_status_drop;
- unsigned int wme_rx_queue[NUM_RX_DATA_QUEUES];
- unsigned int wme_tx_queue[NUM_RX_DATA_QUEUES];
#define I802_DEBUG_INC(c) (c)++
#else /* CONFIG_MAC80211_DEBUG_COUNTERS */
#define I802_DEBUG_INC(c) do { } while (0)
struct dentry *rx_expand_skb_head2;
struct dentry *rx_handlers_fragments;
struct dentry *tx_status_drop;
- struct dentry *wme_tx_queue;
- struct dentry *wme_rx_queue;
#endif
struct dentry *dot11ACKFailureCount;
struct dentry *dot11RTSFailureCount;
#endif
};
+static inline int ieee80211_is_multiqueue(struct ieee80211_local *local)
+{
+#ifdef CONFIG_MAC80211_QOS
+ return netif_is_multiqueue(local->mdev);
+#else
+ return 0;
+#endif
+}
+
/* this struct represents 802.11n's RA/TID combination */
struct ieee80211_ra_tid {
u8 ra[ETH_ALEN];
u8 *preq;
u8 *prep;
u8 *perr;
+ u8 *ch_switch_elem;
+ u8 *country_elem;
+ u8 *pwr_constr_elem;
+ u8 *quiet_elem; /* first quite element */
/* length of them, respectively */
u8 ssid_len;
u8 preq_len;
u8 prep_len;
u8 perr_len;
+ u8 ch_switch_elem_len;
+ u8 country_elem_len;
+ u8 pwr_constr_elem_len;
+ u8 quiet_elem_len;
+ u8 num_of_quiet_elem; /* can be more the one */
};
static inline struct ieee80211_local *hw_to_local(
return &local->hw;
}
-enum ieee80211_link_state_t {
- IEEE80211_LINK_STATE_XOFF = 0,
- IEEE80211_LINK_STATE_PENDING,
-};
-
struct sta_attribute {
struct attribute attr;
ssize_t (*show)(const struct sta_info *, char *buf);
int ieee80211_if_config_beacon(struct net_device *dev);
void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx);
void ieee80211_if_setup(struct net_device *dev);
-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);
+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);
-
-/* 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. */
-#define CHAN_UTIL_RATE_LCM 95040
-/* 1 usec is 1/8 * (95040/10) = 1188 */
-#define CHAN_UTIL_PER_USEC 1188
-/* Amount of bits to shift the result right to scale the total utilization
- * to values that will not wrap around 32-bit integers. */
-#define CHAN_UTIL_SHIFT 9
-/* Theoretical maximum of channel utilization counter in 10 ms (stat_time=1):
- * (CHAN_UTIL_PER_USEC * 10000) >> CHAN_UTIL_SHIFT = 23203. So dividing the
- * raw value with about 23 should give utilization in 10th of a percentage
- * (1/1000). However, utilization is only estimated and not all intervals
- * between frames etc. are calculated. 18 seems to give numbers that are closer
- * to the real maximum. */
-#define CHAN_UTIL_PER_10MS 18
-#define CHAN_UTIL_HDR_LONG (202 * CHAN_UTIL_PER_USEC)
-#define CHAN_UTIL_HDR_SHORT (40 * CHAN_UTIL_PER_USEC)
-
-
-/* ieee80211_ioctl.c */
-int ieee80211_set_compression(struct ieee80211_local *local,
- struct net_device *dev, struct sta_info *sta);
-int ieee80211_set_freq(struct ieee80211_local *local, int freq);
/* ieee80211_sta.c */
-#define IEEE80211_FC(type, stype) cpu_to_le16(type | stype)
void ieee80211_sta_timer(unsigned long data);
void ieee80211_sta_work(struct work_struct *work);
void ieee80211_sta_scan_work(struct work_struct *work);
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, char *buf, size_t len);
+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);
+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);
+u32 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(
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_send_bar(struct net_device *dev, u8 *ra, u16 tid, u16 ssn);
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);
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,
void mac80211_ev_michael_mic_failure(struct net_device *dev, int keyidx,
struct ieee80211_hdr *hdr);
+#ifdef CONFIG_MAC80211_NOINLINE
+#define debug_noinline noinline
+#else
+#define debug_noinline
+#endif
+
#endif /* IEEE80211_I_H */