/* Max size of a security key */
#define B43_SEC_KEYSIZE 16
+/* Max number of group keys */
+#define B43_NR_GROUP_KEYS 4
+/* Max number of pairwise keys */
+#define B43_NR_PAIRWISE_KEYS 50
/* Security algorithms. */
enum {
B43_SEC_ALGO_NONE = 0, /* unencrypted, as of TX header. */
/* Pointer to the ieee80211 hardware data structure */
struct ieee80211_hw *hw;
+ /* Global driver mutex. Every operation must run with this mutex locked. */
+ struct mutex mutex;
+ /* Hard-IRQ spinlock. This lock protects things used in the hard-IRQ
+ * handler, only. This basically is just the IRQ mask register. */
+ spinlock_t hardirq_lock;
+
/* The number of queues that were registered with the mac80211 subsystem
* initially. This is a backup copy of hw->queues in case hw->queues has
* to be dynamically lowered at runtime (Firmware does not support QoS).
* from the mac80211 subsystem. */
u16 mac80211_initially_registered_queues;
- struct mutex mutex;
- spinlock_t irq_lock;
/* R/W lock for data transmission.
* Transmissions on 2+ queues can run concurrently, but somebody else
* might sync with TX by write_lock_irqsave()'ing. */
u8 mac_addr[ETH_ALEN];
/* Current BSSID */
u8 bssid[ETH_ALEN];
- /* Interface type. (IEEE80211_IF_TYPE_XXX) */
+ /* Interface type. (NL80211_IFTYPE_XXX) */
int if_type;
/* Is the card operating in AP, STA or IBSS mode? */
bool operating;
bool radiotap_enabled;
bool radio_enabled;
- /* The beacon we are currently using (AP or IBSS mode).
- * This beacon stuff is protected by the irq_lock. */
+ /* The beacon we are currently using (AP or IBSS mode). */
struct sk_buff *current_beacon;
bool beacon0_uploaded;
bool beacon1_uploaded;
* This is scheduled when we determine that the actual TX output
* power doesn't match what we want. */
struct work_struct txpower_adjust_work;
+
+ /* Packet transmit work */
+ struct work_struct tx_work;
+ /* Queue of packets to be transmitted. */
+ struct sk_buff_head tx_queue;
};
/* The type of the firmware file. */
smp_wmb(); \
} while (0)
-/* XXX--- HOW LOCKING WORKS IN B43 ---XXX
- *
- * You should always acquire both, wl->mutex and wl->irq_lock unless:
- * - You don't need to acquire wl->irq_lock, if the interface is stopped.
- * - You don't need to acquire wl->mutex in the IRQ handler, IRQ tasklet
- * and packet TX path (and _ONLY_ there.)
- */
-
/* Data structure for one wireless device (802.11 core) */
struct b43_wldev {
struct ssb_device *dev;
u32 dma_reason[6];
/* The currently active generic-interrupt mask. */
u32 irq_mask;
+
/* Link Quality calculation context. */
struct b43_noise_calculation noisecalc;
/* if > 0 MAC is suspended. if == 0 MAC is enabled. */
int mac_suspended;
- /* Interrupt Service Routine tasklet (bottom-half) */
- struct tasklet_struct isr_tasklet;
-
/* Periodic tasks */
struct delayed_work periodic_work;
unsigned int periodic_state;
/* encryption/decryption */
u16 ktp; /* Key table pointer */
- u8 max_nr_keys;
- struct b43_key key[58];
+ struct b43_key key[B43_NR_GROUP_KEYS * 2 + B43_NR_PAIRWISE_KEYS];
/* Firmware data */
struct b43_firmware fw;
return ssb_get_drvdata(ssb_dev);
}
-/* Is the device operating in a specified mode (IEEE80211_IF_TYPE_XXX). */
+/* Is the device operating in a specified mode (NL80211_IFTYPE_XXX). */
static inline int b43_is_mode(struct b43_wl *wl, int type)
{
return (wl->operating && wl->if_type == type);