/*
- Copyright (C) 2004 - 2008 rt2x00 SourceForge Project
+ Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
+ Copyright (C) 2004 - 2009 Gertjan van Wingerde <gwingerde@gmail.com>
<http://rt2x00.serialmonkey.com>
This program is free software; you can redistribute it and/or modify
/*
* Interval defines
- * Both the link tuner as the rfkill will be called once per second.
*/
-#define LINK_TUNE_INTERVAL ( round_jiffies_relative(HZ) )
-#define RFKILL_POLL_INTERVAL ( round_jiffies_relative(HZ) )
+#define LINK_TUNE_INTERVAL round_jiffies_relative(HZ)
/*
* rt2x00_rate: Per rate device information
unsigned short ratemask;
unsigned short plcp;
+ unsigned short mcs;
};
extern const struct rt2x00_rate rt2x00_supported_rates[12];
-static inline u16 rt2x00_create_rate_hw_value(const u16 index,
- const u16 short_preamble)
-{
- return (short_preamble << 8) | (index & 0xff);
-}
-
static inline const struct rt2x00_rate *rt2x00_get_rate(const u16 hw_value)
{
return &rt2x00_supported_rates[hw_value & 0xff];
}
-static inline int rt2x00_get_rate_preamble(const u16 hw_value)
+#define RATE_MCS(__mode, __mcs) \
+ ( (((__mode) & 0x00ff) << 8) | ((__mcs) & 0x00ff) )
+
+static inline int rt2x00_get_rate_mcs(const u16 mcs_value)
{
- return (hw_value & 0xff00);
+ return (mcs_value & 0x00ff);
}
/*
int rt2x00lib_enable_radio(struct rt2x00_dev *rt2x00dev);
void rt2x00lib_disable_radio(struct rt2x00_dev *rt2x00dev);
void rt2x00lib_toggle_rx(struct rt2x00_dev *rt2x00dev, enum dev_state state);
-void rt2x00lib_reset_link_tuner(struct rt2x00_dev *rt2x00dev);
/*
* Initialization handlers.
void rt2x00lib_config_intf(struct rt2x00_dev *rt2x00dev,
struct rt2x00_intf *intf,
enum nl80211_iftype type,
- u8 *mac, u8 *bssid);
+ const u8 *mac, const u8 *bssid);
void rt2x00lib_config_erp(struct rt2x00_dev *rt2x00dev,
struct rt2x00_intf *intf,
struct ieee80211_bss_conf *conf);
void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev,
- struct antenna_setup *ant);
+ struct antenna_setup ant);
void rt2x00lib_config(struct rt2x00_dev *rt2x00dev,
struct ieee80211_conf *conf,
const unsigned int changed_flags);
void rt2x00queue_free_skb(struct rt2x00_dev *rt2x00dev, struct sk_buff *skb);
/**
+ * rt2x00queue_align_frame - Align 802.11 frame to 4-byte boundary
+ * @skb: The skb to align
+ *
+ * Align the start of the 802.11 frame to a 4-byte boundary, this could
+ * mean the payload is not aligned properly though.
+ */
+void rt2x00queue_align_frame(struct sk_buff *skb);
+
+/**
+ * rt2x00queue_align_payload - Align 802.11 payload to 4-byte boundary
+ * @skb: The skb to align
+ * @header_length: Length of 802.11 header
+ *
+ * Align the 802.11 payload to a 4-byte boundary, this could
+ * mean the header is not aligned properly though.
+ */
+void rt2x00queue_align_payload(struct sk_buff *skb, unsigned int header_length);
+
+/**
+ * rt2x00queue_insert_l2pad - Align 802.11 header & payload to 4-byte boundary
+ * @skb: The skb to align
+ * @header_length: Length of 802.11 header
+ *
+ * Apply L2 padding to align both header and payload to 4-byte boundary
+ */
+void rt2x00queue_insert_l2pad(struct sk_buff *skb, unsigned int header_length);
+
+/**
+ * rt2x00queue_insert_l2pad - Remove L2 padding from 802.11 frame
+ * @skb: The skb to align
+ * @header_length: Length of 802.11 header
+ *
+ * Remove L2 padding used to align both header and payload to 4-byte boundary,
+ * by removing the L2 padding the header will no longer be 4-byte aligned.
+ */
+void rt2x00queue_remove_l2pad(struct sk_buff *skb, unsigned int header_length);
+
+/**
* rt2x00queue_write_tx_frame - Write TX frame to hardware
* @queue: Queue over which the frame should be send
* @skb: The skb to send
* rt2x00queue_update_beacon - Send new beacon from mac80211 to hardware
* @rt2x00dev: Pointer to &struct rt2x00_dev.
* @vif: Interface for which the beacon should be updated.
+ * @enable_beacon: Enable beaconing
*/
int rt2x00queue_update_beacon(struct rt2x00_dev *rt2x00dev,
- struct ieee80211_vif *vif);
+ struct ieee80211_vif *vif,
+ const bool enable_beacon);
/**
* rt2x00queue_index_inc - Index incrementation function
void rt2x00queue_index_inc(struct data_queue *queue, enum queue_index index);
/**
+ * rt2x00queue_stop_queues - Halt all data queues
+ * @rt2x00dev: Pointer to &struct rt2x00_dev.
+ *
+ * This function will loop through all available queues to stop
+ * any pending outgoing frames.
+ */
+void rt2x00queue_stop_queues(struct rt2x00_dev *rt2x00dev);
+
+/**
* rt2x00queue_init_queues - Initialize all data queues
* @rt2x00dev: Pointer to &struct rt2x00_dev.
*
int rt2x00queue_allocate(struct rt2x00_dev *rt2x00dev);
void rt2x00queue_free(struct rt2x00_dev *rt2x00dev);
+/**
+ * rt2x00link_update_stats - Update link statistics from RX frame
+ * @rt2x00dev: Pointer to &struct rt2x00_dev.
+ * @skb: Received frame
+ * @rxdesc: Received frame descriptor
+ *
+ * Update link statistics based on the information from the
+ * received frame descriptor.
+ */
+void rt2x00link_update_stats(struct rt2x00_dev *rt2x00dev,
+ struct sk_buff *skb,
+ struct rxdone_entry_desc *rxdesc);
+
+/**
+ * rt2x00link_start_tuner - Start periodic link tuner work
+ * @rt2x00dev: Pointer to &struct rt2x00_dev.
+ *
+ * This start the link tuner periodic work, this work will
+ * be executed periodically until &rt2x00link_stop_tuner has
+ * been called.
+ */
+void rt2x00link_start_tuner(struct rt2x00_dev *rt2x00dev);
+
+/**
+ * rt2x00link_stop_tuner - Stop periodic link tuner work
+ * @rt2x00dev: Pointer to &struct rt2x00_dev.
+ *
+ * After this function completed the link tuner will not
+ * be running until &rt2x00link_start_tuner is called.
+ */
+void rt2x00link_stop_tuner(struct rt2x00_dev *rt2x00dev);
+
+/**
+ * rt2x00link_reset_tuner - Reset periodic link tuner work
+ * @rt2x00dev: Pointer to &struct rt2x00_dev.
+ * @antenna: Should the antenna tuning also be reset
+ *
+ * The VGC limit configured in the hardware will be reset to 0
+ * which forces the driver to rediscover the correct value for
+ * the current association. This is needed when configuration
+ * options have changed which could drastically change the
+ * SNR level or link quality (i.e. changing the antenna setting).
+ *
+ * Resetting the link tuner will also cause the periodic work counter
+ * to be reset. Any driver which has a fixed limit on the number
+ * of rounds the link tuner is supposed to work will accept the
+ * tuner actions again if this limit was previously reached.
+ *
+ * If @antenna is set to true a the software antenna diversity
+ * tuning will also be reset.
+ */
+void rt2x00link_reset_tuner(struct rt2x00_dev *rt2x00dev, bool antenna);
+
+/**
+ * rt2x00link_register - Initialize link tuning functionality
+ * @rt2x00dev: Pointer to &struct rt2x00_dev.
+ *
+ * Initialize work structure and all link tuning related
+ * parameters. This will not start the link tuning process itself.
+ */
+void rt2x00link_register(struct rt2x00_dev *rt2x00dev);
+
/*
* Firmware handlers.
*/
void rt2x00debug_dump_frame(struct rt2x00_dev *rt2x00dev,
enum rt2x00_dump_type type, struct sk_buff *skb);
void rt2x00debug_update_crypto(struct rt2x00_dev *rt2x00dev,
- enum cipher cipher, enum rx_crypto status);
+ struct rxdone_entry_desc *rxdesc);
#else
static inline void rt2x00debug_register(struct rt2x00_dev *rt2x00dev)
{
}
static inline void rt2x00debug_update_crypto(struct rt2x00_dev *rt2x00dev,
- enum cipher cipher,
- enum rx_crypto status)
+ struct rxdone_entry_desc *rxdesc)
{
}
#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
*/
#ifdef CONFIG_RT2X00_LIB_CRYPTO
enum cipher rt2x00crypto_key_to_cipher(struct ieee80211_key_conf *key);
-unsigned int rt2x00crypto_tx_overhead(struct ieee80211_tx_info *tx_info);
-void rt2x00crypto_tx_copy_iv(struct sk_buff *skb, unsigned int iv_len);
-void rt2x00crypto_tx_remove_iv(struct sk_buff *skb, unsigned int iv_len);
-void rt2x00crypto_tx_insert_iv(struct sk_buff *skb);
-void rt2x00crypto_rx_insert_iv(struct sk_buff *skb, unsigned int align,
+void rt2x00crypto_create_tx_descriptor(struct queue_entry *entry,
+ struct txentry_desc *txdesc);
+unsigned int rt2x00crypto_tx_overhead(struct rt2x00_dev *rt2x00dev,
+ struct sk_buff *skb);
+void rt2x00crypto_tx_copy_iv(struct sk_buff *skb,
+ struct txentry_desc *txdesc);
+void rt2x00crypto_tx_remove_iv(struct sk_buff *skb,
+ struct txentry_desc *txdesc);
+void rt2x00crypto_tx_insert_iv(struct sk_buff *skb, unsigned int header_length);
+void rt2x00crypto_rx_insert_iv(struct sk_buff *skb,
unsigned int header_length,
struct rxdone_entry_desc *rxdesc);
#else
return CIPHER_NONE;
}
-static inline unsigned int rt2x00crypto_tx_overhead(struct ieee80211_tx_info *tx_info)
+static inline void rt2x00crypto_create_tx_descriptor(struct queue_entry *entry,
+ struct txentry_desc *txdesc)
+{
+}
+
+static inline unsigned int rt2x00crypto_tx_overhead(struct rt2x00_dev *rt2x00dev,
+ struct sk_buff *skb)
{
return 0;
}
static inline void rt2x00crypto_tx_copy_iv(struct sk_buff *skb,
- unsigned int iv_len)
+ struct txentry_desc *txdesc)
{
}
static inline void rt2x00crypto_tx_remove_iv(struct sk_buff *skb,
- unsigned int iv_len)
+ struct txentry_desc *txdesc)
{
}
-static inline void rt2x00crypto_tx_insert_iv(struct sk_buff *skb)
+static inline void rt2x00crypto_tx_insert_iv(struct sk_buff *skb,
+ unsigned int header_length)
{
}
static inline void rt2x00crypto_rx_insert_iv(struct sk_buff *skb,
- unsigned int align,
unsigned int header_length,
struct rxdone_entry_desc *rxdesc)
{
}
-#endif
+#endif /* CONFIG_RT2X00_LIB_CRYPTO */
/*
- * RFkill handlers.
+ * HT handlers.
*/
-#ifdef CONFIG_RT2X00_LIB_RFKILL
-void rt2x00rfkill_register(struct rt2x00_dev *rt2x00dev);
-void rt2x00rfkill_unregister(struct rt2x00_dev *rt2x00dev);
-void rt2x00rfkill_allocate(struct rt2x00_dev *rt2x00dev);
-void rt2x00rfkill_free(struct rt2x00_dev *rt2x00dev);
+#ifdef CONFIG_RT2X00_LIB_HT
+void rt2x00ht_create_tx_descriptor(struct queue_entry *entry,
+ struct txentry_desc *txdesc,
+ const struct rt2x00_rate *hwrate);
#else
-static inline void rt2x00rfkill_register(struct rt2x00_dev *rt2x00dev)
+static inline void rt2x00ht_create_tx_descriptor(struct queue_entry *entry,
+ struct txentry_desc *txdesc,
+ const struct rt2x00_rate *hwrate)
{
}
+#endif /* CONFIG_RT2X00_LIB_HT */
-static inline void rt2x00rfkill_unregister(struct rt2x00_dev *rt2x00dev)
-{
-}
-
-static inline void rt2x00rfkill_allocate(struct rt2x00_dev *rt2x00dev)
+/*
+ * RFkill handlers.
+ */
+static inline void rt2x00rfkill_register(struct rt2x00_dev *rt2x00dev)
{
+ if (test_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags))
+ wiphy_rfkill_start_polling(rt2x00dev->hw->wiphy);
}
-static inline void rt2x00rfkill_free(struct rt2x00_dev *rt2x00dev)
+static inline void rt2x00rfkill_unregister(struct rt2x00_dev *rt2x00dev)
{
+ if (test_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags))
+ wiphy_rfkill_stop_polling(rt2x00dev->hw->wiphy);
}
-#endif /* CONFIG_RT2X00_LIB_RFKILL */
/*
* LED handlers