/*
- Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
+ Copyright (C) 2004 - 2008 rt2x00 SourceForge Project
<http://rt2x00.serialmonkey.com>
This program is free software; you can redistribute it and/or modify
#define RT2X00_H
#include <linux/bitops.h>
-#include <linux/prefetch.h>
#include <linux/skbuff.h>
#include <linux/workqueue.h>
#include <linux/firmware.h>
+#include <linux/leds.h>
#include <linux/mutex.h>
#include <linux/etherdevice.h>
#include <net/mac80211.h>
#include "rt2x00debug.h"
+#include "rt2x00leds.h"
#include "rt2x00reg.h"
-#include "rt2x00ring.h"
+#include "rt2x00queue.h"
/*
* Module information.
#define EEPROM(__dev, __msg, __args...) \
DEBUG_PRINTK(__dev, KERN_DEBUG, "EEPROM recovery", __msg, ##__args)
-/*
- * Ring sizes.
- * Ralink PCI devices demand the Frame size to be a multiple of 128 bytes.
- * DATA_FRAME_SIZE is used for TX, RX, ATIM and PRIO rings.
- * MGMT_FRAME_SIZE is used for the BEACON ring.
- */
-#define DATA_FRAME_SIZE 2432
-#define MGMT_FRAME_SIZE 256
-
-/*
- * Number of entries in a packet ring.
- * PCI devices only need 1 Beacon entry,
- * but USB devices require a second because they
- * have to send a Guardian byte first.
- */
-#define RX_ENTRIES 12
-#define TX_ENTRIES 12
-#define ATIM_ENTRIES 1
-#define BEACON_ENTRIES 2
-
/*
* Standard timing and size defines.
* These values should follow the ieee80211 specifications.
/*
* Interface structure
- * Configuration details about the current interface.
+ * Per interface configuration details, this structure
+ * is allocated as the private data for ieee80211_vif.
*/
-struct interface {
+struct rt2x00_intf {
/*
- * Interface identification. The value is assigned
- * to us by the 80211 stack, and is used to request
- * new beacons.
+ * All fields within the rt2x00_intf structure
+ * must be protected with a spinlock.
*/
- struct ieee80211_vif *id;
+ spinlock_t lock;
/*
- * Current working type (IEEE80211_IF_TYPE_*).
+ * BSS configuration. Copied from the structure
+ * passed to us through the bss_info_changed()
+ * callback funtion.
*/
- int type;
+ struct ieee80211_bss_conf conf;
/*
* MAC of the device.
* BBSID of the AP to associate with.
*/
u8 bssid[ETH_ALEN];
-};
-static inline int is_interface_present(struct interface *intf)
-{
- return !!intf->id;
-}
+ /*
+ * Entry in the beacon queue which belongs to
+ * this interface. Each interface has its own
+ * dedicated beacon entry.
+ */
+ struct queue_entry *beacon;
+
+ /*
+ * Actions that needed rescheduling.
+ */
+ unsigned int delayed_flags;
+#define DELAYED_UPDATE_BEACON 0x00000001
+#define DELAYED_CONFIG_PREAMBLE 0x00000002
+};
-static inline int is_interface_type(struct interface *intf, int type)
+static inline struct rt2x00_intf* vif_to_intf(struct ieee80211_vif *vif)
{
- return intf->type == type;
+ return (struct rt2x00_intf *)vif->drv_priv;
}
/*
struct antenna_setup ant;
- int phymode;
+ enum ieee80211_band band;
int basic_rates;
int slot_time;
short eifs;
};
+/*
+ * Configuration structure wrapper around the
+ * rt2x00 interface configuration handler.
+ */
+struct rt2x00intf_conf {
+ /*
+ * Interface type
+ */
+ enum ieee80211_if_types type;
+
+ /*
+ * TSF sync value, this is dependant on the operation type.
+ */
+ enum tsf_sync sync;
+
+ /*
+ * The MAC and BSSID addressess are simple array of bytes,
+ * these arrays are little endian, so when sending the addressess
+ * to the drivers, copy the it into a endian-signed variable.
+ *
+ * Note that all devices (except rt2500usb) have 32 bits
+ * register word sizes. This means that whatever variable we
+ * pass _must_ be a multiple of 32 bits. Otherwise the device
+ * might not accept what we are sending to it.
+ * This will also make it easier for the driver to write
+ * the data to the device.
+ */
+ __le32 mac[2];
+ __le32 bssid[2];
+};
+
/*
* rt2x00lib callback functions.
*/
void (*uninitialize) (struct rt2x00_dev *rt2x00dev);
/*
- * Ring initialization handlers
+ * queue initialization handlers
*/
void (*init_rxentry) (struct rt2x00_dev *rt2x00dev,
- struct data_entry *entry);
+ struct queue_entry *entry);
void (*init_txentry) (struct rt2x00_dev *rt2x00dev,
- struct data_entry *entry);
+ struct queue_entry *entry);
/*
* Radio control handlers.
struct link_qual *qual);
void (*reset_tuner) (struct rt2x00_dev *rt2x00dev);
void (*link_tuner) (struct rt2x00_dev *rt2x00dev);
+ void (*led_brightness) (struct led_classdev *led_cdev,
+ enum led_brightness brightness);
/*
* TX control handlers
*/
void (*write_tx_desc) (struct rt2x00_dev *rt2x00dev,
struct sk_buff *skb,
- struct txdata_entry_desc *desc,
+ struct txentry_desc *txdesc,
struct ieee80211_tx_control *control);
int (*write_tx_data) (struct rt2x00_dev *rt2x00dev,
- struct data_ring *ring, struct sk_buff *skb,
+ struct data_queue *queue, struct sk_buff *skb,
struct ieee80211_tx_control *control);
int (*get_tx_data_len) (struct rt2x00_dev *rt2x00dev,
struct sk_buff *skb);
void (*kick_tx_queue) (struct rt2x00_dev *rt2x00dev,
- unsigned int queue);
+ const unsigned int queue);
/*
* RX control handlers
*/
- void (*fill_rxdone) (struct data_entry *entry,
- struct rxdata_entry_desc *desc);
+ void (*fill_rxdone) (struct queue_entry *entry,
+ struct rxdone_entry_desc *rxdesc);
/*
* Configuration handlers.
*/
- void (*config_mac_addr) (struct rt2x00_dev *rt2x00dev, __le32 *mac);
- void (*config_bssid) (struct rt2x00_dev *rt2x00dev, __le32 *bssid);
- void (*config_type) (struct rt2x00_dev *rt2x00dev, const int type,
- const int tsf_sync);
- void (*config_preamble) (struct rt2x00_dev *rt2x00dev,
- const int short_preamble,
- const int ack_timeout,
- const int ack_consume_time);
- void (*config) (struct rt2x00_dev *rt2x00dev, const unsigned int flags,
- struct rt2x00lib_conf *libconf);
+ void (*config_intf) (struct rt2x00_dev *rt2x00dev,
+ struct rt2x00_intf *intf,
+ struct rt2x00intf_conf *conf,
+ const unsigned int flags);
+#define CONFIG_UPDATE_TYPE ( 1 << 1 )
+#define CONFIG_UPDATE_MAC ( 1 << 2 )
+#define CONFIG_UPDATE_BSSID ( 1 << 3 )
+
+ int (*config_preamble) (struct rt2x00_dev *rt2x00dev,
+ const int short_preamble,
+ const int ack_timeout,
+ const int ack_consume_time);
+ void (*config) (struct rt2x00_dev *rt2x00dev,
+ struct rt2x00lib_conf *libconf,
+ const unsigned int flags);
#define CONFIG_UPDATE_PHYMODE ( 1 << 1 )
#define CONFIG_UPDATE_CHANNEL ( 1 << 2 )
#define CONFIG_UPDATE_TXPOWER ( 1 << 3 )
*/
struct rt2x00_ops {
const char *name;
- const unsigned int rxd_size;
- const unsigned int txd_size;
+ const unsigned int max_sta_intf;
+ const unsigned int max_ap_intf;
const unsigned int eeprom_size;
const unsigned int rf_size;
+ const struct data_queue_desc *rx;
+ const struct data_queue_desc *tx;
+ const struct data_queue_desc *bcn;
+ const struct data_queue_desc *atim;
const struct rt2x00lib_ops *lib;
const struct ieee80211_ops *hw;
#ifdef CONFIG_RT2X00_LIB_DEBUGFS
/*
* Driver features
*/
+ DRIVER_SUPPORT_MIXED_INTERFACES,
DRIVER_REQUIRE_FIRMWARE,
- DRIVER_REQUIRE_BEACON_RING,
+ DRIVER_REQUIRE_FIRMWARE_CRC_ITU_T,
+ DRIVER_REQUIRE_FIRMWARE_CCITT,
+ DRIVER_REQUIRE_BEACON_GUARD,
+ DRIVER_REQUIRE_ATIM_QUEUE,
/*
* Driver configuration
CONFIG_EXTERNAL_LNA_BG,
CONFIG_DOUBLE_ANTENNA,
CONFIG_DISABLE_LINK_TUNING,
- CONFIG_SHORT_PREAMBLE,
};
/*
* macro's should be used for correct typecasting.
*/
void *dev;
-#define rt2x00dev_pci(__dev) ( (struct pci_dev*)(__dev)->dev )
-#define rt2x00dev_usb(__dev) ( (struct usb_interface*)(__dev)->dev )
+#define rt2x00dev_pci(__dev) ( (struct pci_dev *)(__dev)->dev )
+#define rt2x00dev_usb(__dev) ( (struct usb_interface *)(__dev)->dev )
+#define rt2x00dev_usb_dev(__dev)\
+ ( (struct usb_device *)interface_to_usbdev(rt2x00dev_usb(__dev)) )
/*
* Callback functions.
* IEEE80211 control structure.
*/
struct ieee80211_hw *hw;
- struct ieee80211_hw_mode *hwmodes;
- unsigned int curr_hwmode;
-#define HWMODE_B 0
-#define HWMODE_G 1
-#define HWMODE_A 2
+ struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
+ enum ieee80211_band curr_band;
/*
* rfkill structure for RF state switching support.
struct rt2x00debug_intf *debugfs_intf;
#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
+ /*
+ * LED structure for changing the LED status
+ * by mac8011 or the kernel.
+ */
+#ifdef CONFIG_RT2X00_LIB_LEDS
+ unsigned int led_flags;
+ struct rt2x00_trigger trigger_qual;
+ struct rt2x00_led led_radio;
+ struct rt2x00_led led_assoc;
+ struct rt2x00_led led_qual;
+ u16 led_mcu_reg;
+#endif /* CONFIG_RT2X00_LIB_LEDS */
+
/*
* Device flags.
* In these flags the current status and some
unsigned int packet_filter;
/*
- * Interface configuration.
+ * Interface details:
+ * - Open ap interface count.
+ * - Open sta interface count.
+ * - Association count.
*/
- struct interface interface;
+ unsigned int intf_ap_count;
+ unsigned int intf_sta_count;
+ unsigned int intf_associated;
/*
* Link quality
*/
u16 tx_power;
- /*
- * LED register (for rt61pci & rt73usb).
- */
- u16 led_reg;
-
- /*
- * Led mode (LED_MODE_*)
- */
- u8 led_mode;
-
/*
* Rssi <-> Dbm offset
*/
/*
* Scheduled work.
*/
- struct work_struct beacon_work;
+ struct work_struct intf_work;
struct work_struct filter_work;
- struct work_struct config_work;
/*
- * Data ring arrays for RX, TX and Beacon.
- * The Beacon array also contains the Atim ring
+ * Data queue arrays for RX, TX and Beacon.
+ * The Beacon array also contains the Atim queue
* if that is supported by the device.
*/
- int data_rings;
- struct data_ring *rx;
- struct data_ring *tx;
- struct data_ring *bcn;
+ int data_queues;
+ struct data_queue *rx;
+ struct data_queue *tx;
+ struct data_queue *bcn;
/*
* Firmware image.
const struct firmware *fw;
};
-/*
- * For-each loop for the ring array.
- * All rings have been allocated as a single array,
- * this means we can create a very simply loop macro
- * that is capable of looping through all rings.
- * ring_end(), txring_end() and ring_loop() are helper macro's which
- * should not be used directly. Instead the following should be used:
- * ring_for_each() - Loops through all rings (RX, TX, Beacon & Atim)
- * txring_for_each() - Loops through TX data rings (TX only)
- * txringall_for_each() - Loops through all TX rings (TX, Beacon & Atim)
- */
-#define ring_end(__dev) \
- &(__dev)->rx[(__dev)->data_rings]
-
-#define txring_end(__dev) \
- &(__dev)->tx[(__dev)->hw->queues]
-
-#define ring_loop(__entry, __start, __end) \
- for ((__entry) = (__start); \
- prefetch(&(__entry)[1]), (__entry) != (__end); \
- (__entry) = &(__entry)[1])
-
-#define ring_for_each(__dev, __entry) \
- ring_loop(__entry, (__dev)->rx, ring_end(__dev))
-
-#define txring_for_each(__dev, __entry) \
- ring_loop(__entry, (__dev)->tx, txring_end(__dev))
-
-#define txringall_for_each(__dev, __entry) \
- ring_loop(__entry, (__dev)->tx, ring_end(__dev))
-
/*
* Generic RF access.
* The RF is being accessed by word index.
return ((size * 8 * 10) % rate);
}
-/*
- * Library functions.
+/**
+ * rt2x00queue_get_queue - Convert mac80211 queue index to rt2x00 queue
+ * @rt2x00dev: Pointer to &struct rt2x00_dev.
+ * @queue: mac80211/rt2x00 queue index
+ * (see &enum ieee80211_tx_queue and &enum rt2x00_bcn_queue).
+ */
+struct data_queue *rt2x00queue_get_queue(struct rt2x00_dev *rt2x00dev,
+ const unsigned int queue);
+
+/**
+ * rt2x00queue_get_entry - Get queue entry where the given index points to.
+ * @rt2x00dev: Pointer to &struct rt2x00_dev.
+ * @index: Index identifier for obtaining the correct index.
*/
-struct data_ring *rt2x00lib_get_ring(struct rt2x00_dev *rt2x00dev,
- const unsigned int queue);
+struct queue_entry *rt2x00queue_get_entry(struct data_queue *queue,
+ enum queue_index index);
+
+/**
+ * rt2x00queue_index_inc - Index incrementation function
+ * @queue: Queue (&struct data_queue) to perform the action on.
+ * @action: Index type (&enum queue_index) to perform the action on.
+ *
+ * This function will increase the requested index on the queue,
+ * it will grab the appropriate locks and handle queue overflow events by
+ * resetting the index to the start of the queue.
+ */
+void rt2x00queue_index_inc(struct data_queue *queue, enum queue_index index);
+
/*
* Interrupt context handlers.
*/
void rt2x00lib_beacondone(struct rt2x00_dev *rt2x00dev);
-void rt2x00lib_txdone(struct data_entry *entry,
- const int status, const int retry);
-void rt2x00lib_rxdone(struct data_entry *entry, struct sk_buff *skb,
- struct rxdata_entry_desc *desc);
+void rt2x00lib_txdone(struct queue_entry *entry,
+ struct txdone_entry_desc *txdesc);
+void rt2x00lib_rxdone(struct queue_entry *entry,
+ struct rxdone_entry_desc *rxdesc);
/*
* TX descriptor initializer
projects / linux-2.6-omap-h63xx.git / blobdiff