2 * Copyright (c) 2002-2007 Sam Leffler, Errno Consulting
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39 * Defintions for the Atheros Wireless LAN controller driver.
41 #ifndef _DEV_ATH_ATHVAR_H
42 #define _DEV_ATH_ATHVAR_H
44 #include <linux/interrupt.h>
45 #include <linux/list.h>
46 #include <linux/wireless.h>
47 #include <linux/if_ether.h>
52 #define ATH_RXBUF 40 /* number of RX buffers */
53 #define ATH_TXBUF 200 /* number of TX buffers */
54 #define ATH_BCBUF 1 /* number of beacon buffers */
57 struct list_head list;
58 unsigned int flags; /* tx descriptor flags */
59 struct ath5k_desc *desc; /* virtual addr of desc */
60 dma_addr_t daddr; /* physical addr of desc */
61 struct sk_buff *skb; /* skbuff for buf */
62 dma_addr_t skbaddr;/* physical addr of skb data */
66 * Data transmit queue state. One of these exists for each
67 * hardware transmit queue. Packets sent to us from above
68 * are assigned to queues based on their priority. Not all
69 * devices support a complete set of hardware transmit queues.
70 * For those devices the array sc_ac2q will map multiple
71 * priorities to fewer hardware queues (typically all to one
75 unsigned int qnum; /* hardware q number */
76 u32 *link; /* link ptr in last TX desc */
77 struct list_head q; /* transmit queue */
78 spinlock_t lock; /* lock on q and link */
83 #define ATH_CHAN_MAX (26+26+26+200+200)
85 #define ATH_CHAN_MAX (14+14+14+252+20)
88 /* Software Carrier, keeps track of the driver state
89 * associated with an instance of a device */
91 struct pci_dev *pdev; /* for dma mapping */
92 void __iomem *iobase; /* address of the device */
93 struct mutex lock; /* dev-level lock */
94 /* FIXME: how many does it really need? */
95 struct ieee80211_tx_queue_stats tx_stats[16];
96 struct ieee80211_low_level_stats ll_stats;
97 struct ieee80211_hw *hw; /* IEEE 802.11 common */
98 struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
99 struct ieee80211_channel channels[ATH_CHAN_MAX];
100 struct ieee80211_rate rates[AR5K_MAX_RATES * IEEE80211_NUM_BANDS];
101 enum ieee80211_if_types opmode;
102 struct ath5k_hw *ah; /* Atheros HW */
104 struct ieee80211_supported_band *curband;
111 #ifdef CONFIG_ATH5K_DEBUG
112 struct ath5k_dbg_info debug; /* debug info */
113 #endif /* CONFIG_ATH5K_DEBUG */
115 struct ath5k_buf *bufptr; /* allocated buffer ptr */
116 struct ath5k_desc *desc; /* TX/RX descriptors */
117 dma_addr_t desc_daddr; /* DMA (physical) address */
118 size_t desc_len; /* size of TX/RX descriptors */
119 u16 cachelsz; /* cache line size */
121 DECLARE_BITMAP(status, 6);
122 #define ATH_STAT_INVALID 0 /* disable hardware accesses */
123 #define ATH_STAT_MRRETRY 1 /* multi-rate retry support */
124 #define ATH_STAT_PROMISC 2
125 #define ATH_STAT_LEDBLINKING 3 /* LED blink operation active */
126 #define ATH_STAT_LEDENDBLINK 4 /* finish LED blink operation */
127 #define ATH_STAT_LEDSOFT 5 /* enable LED gpio status */
129 unsigned int filter_flags; /* HW flags, AR5K_RX_FILTER_* */
130 unsigned int curmode; /* current phy mode */
131 struct ieee80211_channel *curchan; /* current h/w channel */
133 struct ieee80211_vif *vif;
136 u8 rxflags; /* radiotap rx flags */
137 u8 txflags; /* radiotap tx flags */
138 u16 ledon; /* softled on time */
139 u16 ledoff; /* softled off time */
140 } hwmap[32]; /* h/w rate ix mappings */
142 enum ath5k_int imask; /* interrupt mask copy */
144 DECLARE_BITMAP(keymap, AR5K_KEYCACHE_SIZE); /* key use bit map */
146 u8 bssidmask[ETH_ALEN];
148 unsigned int led_pin, /* GPIO pin for driving LED */
149 led_on, /* pin setting for LED on */
150 led_off; /* off time for current blink */
151 struct timer_list led_tim; /* led off timer */
152 u8 led_rxrate; /* current rx rate for LED */
153 u8 led_txrate; /* current tx rate for LED */
155 struct tasklet_struct restq; /* reset tasklet */
157 unsigned int rxbufsize; /* rx size based on mtu */
158 struct list_head rxbuf; /* receive buffer */
159 spinlock_t rxbuflock;
160 u32 *rxlink; /* link ptr in last RX desc */
161 struct tasklet_struct rxtq; /* rx intr tasklet */
163 struct list_head txbuf; /* transmit buffer */
164 spinlock_t txbuflock;
165 unsigned int txbuf_len; /* buf count in txbuf list */
166 struct ath5k_txq txqs[2]; /* beacon and tx */
168 struct ath5k_txq *txq; /* beacon and tx*/
169 struct tasklet_struct txtq; /* tx intr tasklet */
171 struct ath5k_buf *bbuf; /* beacon buffer */
172 unsigned int bhalq, /* SW q for outgoing beacons */
173 bmisscount, /* missed beacon transmits */
174 bintval, /* beacon interval in TU */
176 unsigned int nexttbtt; /* next beacon time in TU */
178 struct timer_list calib_tim; /* calibration timer */
179 int power_level; /* Requested tx power in dbm */
182 #define ath5k_hw_hasbssidmask(_ah) \
183 (ath5k_hw_get_capability(_ah, AR5K_CAP_BSSIDMASK, 0, NULL) == 0)
184 #define ath5k_hw_hasveol(_ah) \
185 (ath5k_hw_get_capability(_ah, AR5K_CAP_VEOL, 0, NULL) == 0)