#ifndef CORE_H
#define CORE_H
-#include <linux/version.h>
-#include <linux/autoconf.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/spinlock.h>
-#include <linux/errno.h>
-#include <linux/skbuff.h>
-#include <linux/netdevice.h>
#include <linux/etherdevice.h>
-#include <linux/ip.h>
-#include <linux/tcp.h>
-#include <linux/in.h>
-#include <linux/delay.h>
-#include <linux/wait.h>
#include <linux/pci.h>
-#include <linux/interrupt.h>
-#include <linux/sched.h>
-#include <linux/list.h>
-#include <asm/byteorder.h>
-#include <linux/scatterlist.h>
-#include <asm/page.h>
#include <net/mac80211.h>
#include <linux/leds.h>
#include <linux/rfkill.h>
#define TSF_TO_TU(_h,_l) \
((((u32)(_h)) << 22) | (((u32)(_l)) >> 10))
-#define ATH_TXQ_SETUP(sc, i) ((sc)->sc_txqsetup & (1<<i))
+#define ATH_TXQ_SETUP(sc, i) ((sc)->tx.txqsetup & (1<<i))
static const u8 ath_bcast_mac[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
-/*************/
-/* Debugging */
-/*************/
-
enum ATH_DEBUG {
ATH_DBG_RESET = 0x00000001,
- ATH_DBG_PHY_IO = 0x00000002,
- ATH_DBG_REG_IO = 0x00000004,
- ATH_DBG_QUEUE = 0x00000008,
- ATH_DBG_EEPROM = 0x00000010,
- ATH_DBG_NF_CAL = 0x00000020,
- ATH_DBG_CALIBRATE = 0x00000040,
- ATH_DBG_CHANNEL = 0x00000080,
- ATH_DBG_INTERRUPT = 0x00000100,
- ATH_DBG_REGULATORY = 0x00000200,
- ATH_DBG_ANI = 0x00000400,
- ATH_DBG_POWER_MGMT = 0x00000800,
- ATH_DBG_XMIT = 0x00001000,
- ATH_DBG_BEACON = 0x00002000,
- ATH_DBG_RATE = 0x00004000,
- ATH_DBG_CONFIG = 0x00008000,
- ATH_DBG_KEYCACHE = 0x00010000,
- ATH_DBG_AGGR = 0x00020000,
- ATH_DBG_FATAL = 0x00040000,
+ ATH_DBG_REG_IO = 0x00000002,
+ ATH_DBG_QUEUE = 0x00000004,
+ ATH_DBG_EEPROM = 0x00000008,
+ ATH_DBG_CALIBRATE = 0x00000010,
+ ATH_DBG_CHANNEL = 0x00000020,
+ ATH_DBG_INTERRUPT = 0x00000040,
+ ATH_DBG_REGULATORY = 0x00000080,
+ ATH_DBG_ANI = 0x00000100,
+ ATH_DBG_POWER_MGMT = 0x00000200,
+ ATH_DBG_XMIT = 0x00000400,
+ ATH_DBG_BEACON = 0x00001000,
+ ATH_DBG_CONFIG = 0x00002000,
+ ATH_DBG_KEYCACHE = 0x00004000,
+ ATH_DBG_FATAL = 0x00008000,
ATH_DBG_ANY = 0xffffffff
};
#define DBG_DEFAULT (ATH_DBG_FATAL)
-#define DPRINTF(sc, _m, _fmt, ...) do { \
- if (sc->sc_debug & (_m)) \
- printk(_fmt , ##__VA_ARGS__); \
- } while (0)
+#ifdef CONFIG_ATH9K_DEBUG
+
+/**
+ * struct ath_interrupt_stats - Contains statistics about interrupts
+ * @total: Total no. of interrupts generated so far
+ * @rxok: RX with no errors
+ * @rxeol: RX with no more RXDESC available
+ * @rxorn: RX FIFO overrun
+ * @txok: TX completed at the requested rate
+ * @txurn: TX FIFO underrun
+ * @mib: MIB regs reaching its threshold
+ * @rxphyerr: RX with phy errors
+ * @rx_keycache_miss: RX with key cache misses
+ * @swba: Software Beacon Alert
+ * @bmiss: Beacon Miss
+ * @bnr: Beacon Not Ready
+ * @cst: Carrier Sense TImeout
+ * @gtt: Global TX Timeout
+ * @tim: RX beacon TIM occurrence
+ * @cabend: RX End of CAB traffic
+ * @dtimsync: DTIM sync lossage
+ * @dtim: RX Beacon with DTIM
+ */
+struct ath_interrupt_stats {
+ u32 total;
+ u32 rxok;
+ u32 rxeol;
+ u32 rxorn;
+ u32 txok;
+ u32 txeol;
+ u32 txurn;
+ u32 mib;
+ u32 rxphyerr;
+ u32 rx_keycache_miss;
+ u32 swba;
+ u32 bmiss;
+ u32 bnr;
+ u32 cst;
+ u32 gtt;
+ u32 tim;
+ u32 cabend;
+ u32 dtimsync;
+ u32 dtim;
+};
+
+struct ath_stats {
+ struct ath_interrupt_stats istats;
+};
+
+struct ath9k_debug {
+ int debug_mask;
+ struct dentry *debugfs_root;
+ struct dentry *debugfs_phy;
+ struct dentry *debugfs_dma;
+ struct dentry *debugfs_interrupt;
+ struct ath_stats stats;
+};
+
+void DPRINTF(struct ath_softc *sc, int dbg_mask, const char *fmt, ...);
+int ath9k_init_debug(struct ath_softc *sc);
+void ath9k_exit_debug(struct ath_softc *sc);
+void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status);
+
+#else
+
+static inline void DPRINTF(struct ath_softc *sc, int dbg_mask,
+ const char *fmt, ...)
+{
+}
+
+static inline int ath9k_init_debug(struct ath_softc *sc)
+{
+ return 0;
+}
-/***************************/
-/* Load-time Configuration */
-/***************************/
+static inline void ath9k_exit_debug(struct ath_softc *sc)
+{
+}
+
+static inline void ath_debug_stat_interrupt(struct ath_softc *sc,
+ enum ath9k_int status)
+{
+}
+
+#endif /* CONFIG_ATH9K_DEBUG */
-/* Per-instance load-time (note: NOT run-time) configurations
- * for Atheros Device */
struct ath_config {
u32 ath_aggr_prot;
u16 txpowlimit;
u16 txpowlimit_override;
- u8 cabqReadytime; /* Cabq Readytime % */
- u8 swBeaconProcess; /* Process received beacons in SW (vs HW) */
+ u8 cabqReadytime;
+ u8 swBeaconProcess;
};
/*************************/
};
struct ath_buf_state {
- int bfs_nframes; /* # frames in aggregate */
- u16 bfs_al; /* length of aggregate */
- u16 bfs_frmlen; /* length of frame */
- int bfs_seqno; /* sequence number */
- int bfs_tidno; /* tid of this frame */
- int bfs_retries; /* current retries */
- u32 bf_type; /* BUF_* (enum buffer_type) */
- /* key type use to encrypt this frame */
+ int bfs_nframes; /* # frames in aggregate */
+ u16 bfs_al; /* length of aggregate */
+ u16 bfs_frmlen; /* length of frame */
+ int bfs_seqno; /* sequence number */
+ int bfs_tidno; /* tid of this frame */
+ int bfs_retries; /* current retries */
+ u32 bf_type; /* BUF_* (enum buffer_type) */
u32 bfs_keyix;
enum ath9k_key_type bfs_keytype;
};
dma_addr_t bf_dmacontext;
};
-/*
- * reset the rx buffer.
- * any new fields added to the athbuf and require
- * reset need to be added to this macro.
- * currently bf_status is the only one requires that
- * requires reset.
- */
#define ATH_RXBUF_RESET(_bf) ((_bf)->bf_status = 0)
/* hw processing complete, desc processed by hal */
/* RX / TX */
/***********/
-#define ATH_MAX_ANTENNA 3
-#define ATH_RXBUF 512
-#define WME_NUM_TID 16
-
-int ath_startrecv(struct ath_softc *sc);
-bool ath_stoprecv(struct ath_softc *sc);
-void ath_flushrecv(struct ath_softc *sc);
-u32 ath_calcrxfilter(struct ath_softc *sc);
-int ath_rx_init(struct ath_softc *sc, int nbufs);
-void ath_rx_cleanup(struct ath_softc *sc);
-int ath_rx_tasklet(struct ath_softc *sc, int flush);
-
+#define ATH_MAX_ANTENNA 3
+#define ATH_RXBUF 512
+#define WME_NUM_TID 16
#define ATH_TXBUF 512
-/* max number of transmit attempts (tries) */
#define ATH_TXMAXTRY 13
-/* max number of 11n transmit attempts (tries) */
#define ATH_11N_TXMAXTRY 10
-/* max number of tries for management and control frames */
#define ATH_MGT_TXMAXTRY 4
#define WME_BA_BMP_SIZE 64
#define WME_MAX_BA WME_BA_BMP_SIZE
#define ATH_TID_MAX_BUFS (2 * WME_MAX_BA)
+
#define TID_TO_WME_AC(_tid) \
((((_tid) == 0) || ((_tid) == 3)) ? WME_AC_BE : \
(((_tid) == 1) || ((_tid) == 2)) ? WME_AC_BK : \
(((_tid) == 4) || ((_tid) == 5)) ? WME_AC_VI : \
WME_AC_VO)
+#define WME_AC_BE 0
+#define WME_AC_BK 1
+#define WME_AC_VI 2
+#define WME_AC_VO 3
+#define WME_NUM_AC 4
-/* Wireless Multimedia Extension Defines */
-#define WME_AC_BE 0 /* best effort */
-#define WME_AC_BK 1 /* background */
-#define WME_AC_VI 2 /* video */
-#define WME_AC_VO 3 /* voice */
-#define WME_NUM_AC 4
+#define ADDBA_EXCHANGE_ATTEMPTS 10
+#define ATH_AGGR_DELIM_SZ 4
+#define ATH_AGGR_MINPLEN 256 /* in bytes, minimum packet length */
+/* number of delimiters for encryption padding */
+#define ATH_AGGR_ENCRYPTDELIM 10
+/* minimum h/w qdepth to be sustained to maximize aggregation */
+#define ATH_AGGR_MIN_QDEPTH 2
+#define ATH_AMPDU_SUBFRAME_DEFAULT 32
+#define IEEE80211_SEQ_SEQ_SHIFT 4
+#define IEEE80211_SEQ_MAX 4096
+#define IEEE80211_MIN_AMPDU_BUF 0x8
+#define IEEE80211_HTCAP_MAXRXAMPDU_FACTOR 13
+
+/* return whether a bit at index _n in bitmap _bm is set
+ * _sz is the size of the bitmap */
+#define ATH_BA_ISSET(_bm, _n) (((_n) < (WME_BA_BMP_SIZE)) && \
+ ((_bm)[(_n) >> 5] & (1 << ((_n) & 31))))
+
+/* return block-ack bitmap index given sequence and starting sequence */
+#define ATH_BA_INDEX(_st, _seq) (((_seq) - (_st)) & (IEEE80211_SEQ_MAX - 1))
+
+/* returns delimiter padding required given the packet length */
+#define ATH_AGGR_GET_NDELIM(_len) \
+ (((((_len) + ATH_AGGR_DELIM_SZ) < ATH_AGGR_MINPLEN) ? \
+ (ATH_AGGR_MINPLEN - (_len) - ATH_AGGR_DELIM_SZ) : 0) >> 2)
+
+#define BAW_WITHIN(_start, _bawsz, _seqno) \
+ ((((_seqno) - (_start)) & 4095) < (_bawsz))
+
+#define ATH_DS_BA_SEQ(_ds) ((_ds)->ds_us.tx.ts_seqnum)
+#define ATH_DS_BA_BITMAP(_ds) (&(_ds)->ds_us.tx.ba_low)
+#define ATH_DS_TX_BA(_ds) ((_ds)->ds_us.tx.ts_flags & ATH9K_TX_BA)
+#define ATH_AN_2_TID(_an, _tidno) (&(_an)->tid[(_tidno)])
+
+enum ATH_AGGR_STATUS {
+ ATH_AGGR_DONE,
+ ATH_AGGR_BAW_CLOSED,
+ ATH_AGGR_LIMITED,
+ ATH_AGGR_SHORTPKT,
+ ATH_AGGR_8K_LIMITED,
+};
-/*
- * Data transmit queue state. One of these exists for each
- * hardware transmit queue. Packets sent to us from above
- * are assigned to queues based on their priority. Not all
- * devices support a complete set of hardware transmit queues.
- * For those devices the array sc_ac2q will map multiple
- * priorities to fewer hardware queues (typically all to one
- * hardware queue).
- */
struct ath_txq {
u32 axq_qnum; /* hardware q number */
u32 *axq_link; /* link ptr in last TX desc */
u32 axq_depth; /* queue depth */
u8 axq_aggr_depth; /* aggregates queued */
u32 axq_totalqueued; /* total ever queued */
-
bool stopped; /* Is mac80211 queue stopped ? */
struct ath_buf *axq_linkbuf; /* virtual addr of last buffer*/
struct list_head tid_q; /* queue of TIDs with buffers */
};
-/* per dest tx state */
-struct ath_atx {
- struct ath_atx_tid tid[WME_NUM_TID];
- struct ath_atx_ac ac[WME_NUM_AC];
-};
-
/* per-frame tx control block */
struct ath_tx_control {
struct ath_txq *txq;
#define ATH_TX_BAR 0x04
};
+/* All RSSI values are noise floor adjusted */
struct ath_tx_stat {
- int rssi; /* RSSI (noise floor ajusted) */
- int rssictl[ATH_MAX_ANTENNA]; /* RSSI (noise floor ajusted) */
- int rssiextn[ATH_MAX_ANTENNA]; /* RSSI (noise floor ajusted) */
- int rateieee; /* data rate xmitted (IEEE rate code) */
- int rateKbps; /* data rate xmitted (Kbps) */
- int ratecode; /* phy rate code */
- int flags; /* validity flags */
-/* if any of ctl,extn chain rssis are valid */
-#define ATH_TX_CHAIN_RSSI_VALID 0x01
-/* if extn chain rssis are valid */
-#define ATH_TX_RSSI_EXTN_VALID 0x02
+ int rssi;
+ int rssictl[ATH_MAX_ANTENNA];
+ int rssiextn[ATH_MAX_ANTENNA];
+ int rateieee;
+ int rateKbps;
+ int ratecode;
+ int flags;
u32 airtime; /* time on air per final tx rate */
};
+struct aggr_rifs_param {
+ int param_max_frames;
+ int param_max_len;
+ int param_rl;
+ int param_al;
+ struct ath_rc_series *param_rcs;
+};
+
+struct ath_node {
+ struct ath_softc *an_sc;
+ struct ath_atx_tid tid[WME_NUM_TID];
+ struct ath_atx_ac ac[WME_NUM_AC];
+ u16 maxampdu;
+ u8 mpdudensity;
+};
+
+struct ath_tx {
+ u16 seq_no;
+ u32 txqsetup;
+ int hwq_map[ATH9K_WME_AC_VO+1];
+ spinlock_t txbuflock;
+ struct list_head txbuf;
+ struct ath_txq txq[ATH9K_NUM_TX_QUEUES];
+ struct ath_descdma txdma;
+};
+
+struct ath_rx {
+ u8 defant;
+ u8 rxotherant;
+ u32 *rxlink;
+ int bufsize;
+ unsigned int rxfilter;
+ spinlock_t rxflushlock;
+ spinlock_t rxbuflock;
+ struct list_head rxbuf;
+ struct ath_descdma rxdma;
+};
+
+int ath_startrecv(struct ath_softc *sc);
+bool ath_stoprecv(struct ath_softc *sc);
+void ath_flushrecv(struct ath_softc *sc);
+u32 ath_calcrxfilter(struct ath_softc *sc);
+int ath_rx_init(struct ath_softc *sc, int nbufs);
+void ath_rx_cleanup(struct ath_softc *sc);
+int ath_rx_tasklet(struct ath_softc *sc, int flush);
struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype);
void ath_tx_cleanupq(struct ath_softc *sc, struct ath_txq *txq);
int ath_tx_setup(struct ath_softc *sc, int haltype);
u32 ath_txq_depth(struct ath_softc *sc, int qnum);
u32 ath_txq_aggr_depth(struct ath_softc *sc, int qnum);
void ath_tx_cabq(struct ath_softc *sc, struct sk_buff *skb);
-
-/**********************/
-/* Node / Aggregation */
-/**********************/
-
-#define ADDBA_EXCHANGE_ATTEMPTS 10
-#define ATH_AGGR_DELIM_SZ 4 /* delimiter size */
-#define ATH_AGGR_MINPLEN 256 /* in bytes, minimum packet length */
-/* number of delimiters for encryption padding */
-#define ATH_AGGR_ENCRYPTDELIM 10
-/* minimum h/w qdepth to be sustained to maximize aggregation */
-#define ATH_AGGR_MIN_QDEPTH 2
-#define ATH_AMPDU_SUBFRAME_DEFAULT 32
-#define IEEE80211_SEQ_SEQ_SHIFT 4
-#define IEEE80211_SEQ_MAX 4096
-#define IEEE80211_MIN_AMPDU_BUF 0x8
-#define IEEE80211_HTCAP_MAXRXAMPDU_FACTOR 13
-
-/* return whether a bit at index _n in bitmap _bm is set
- * _sz is the size of the bitmap */
-#define ATH_BA_ISSET(_bm, _n) (((_n) < (WME_BA_BMP_SIZE)) && \
- ((_bm)[(_n) >> 5] & (1 << ((_n) & 31))))
-
-/* return block-ack bitmap index given sequence and starting sequence */
-#define ATH_BA_INDEX(_st, _seq) (((_seq) - (_st)) & (IEEE80211_SEQ_MAX - 1))
-
-/* returns delimiter padding required given the packet length */
-#define ATH_AGGR_GET_NDELIM(_len) \
- (((((_len) + ATH_AGGR_DELIM_SZ) < ATH_AGGR_MINPLEN) ? \
- (ATH_AGGR_MINPLEN - (_len) - ATH_AGGR_DELIM_SZ) : 0) >> 2)
-
-#define BAW_WITHIN(_start, _bawsz, _seqno) \
- ((((_seqno) - (_start)) & 4095) < (_bawsz))
-
-#define ATH_DS_BA_SEQ(_ds) ((_ds)->ds_us.tx.ts_seqnum)
-#define ATH_DS_BA_BITMAP(_ds) (&(_ds)->ds_us.tx.ba_low)
-#define ATH_DS_TX_BA(_ds) ((_ds)->ds_us.tx.ts_flags & ATH9K_TX_BA)
-#define ATH_AN_2_TID(_an, _tidno) (&(_an)->an_aggr.tx.tid[(_tidno)])
-
-enum ATH_AGGR_STATUS {
- ATH_AGGR_DONE,
- ATH_AGGR_BAW_CLOSED,
- ATH_AGGR_LIMITED,
- ATH_AGGR_SHORTPKT,
- ATH_AGGR_8K_LIMITED,
-};
-
-struct aggr_rifs_param {
- int param_max_frames;
- int param_max_len;
- int param_rl;
- int param_al;
- struct ath_rc_series *param_rcs;
-};
-
-/* Per-node aggregation state */
-struct ath_node_aggr {
- struct ath_atx tx; /* node transmit state */
-};
-
-/* driver-specific node state */
-struct ath_node {
- struct ath_softc *an_sc;
- struct ath_node_aggr an_aggr;
- u16 maxampdu;
- u8 mpdudensity;
-};
-
void ath_tx_resume_tid(struct ath_softc *sc, struct ath_atx_tid *tid);
bool ath_tx_aggr_check(struct ath_softc *sc, struct ath_node *an, u8 tidno);
void ath_tx_aggr_teardown(struct ath_softc *sc, struct ath_node *an, u8 tidno);
#define ATH_SET_VAP_BSSID_MASK(bssid_mask) \
((bssid_mask)[0] &= ~(((ATH_BCBUF-1)<<2)|0x02))
-/* driver-specific vap state */
struct ath_vap {
- int av_bslot; /* beacon slot index */
- enum ath9k_opmode av_opmode; /* VAP operational mode */
- struct ath_buf *av_bcbuf; /* beacon buffer */
- struct ath_tx_control av_btxctl; /* txctl information for beacon */
+ int av_bslot;
+ enum nl80211_iftype av_opmode;
+ struct ath_buf *av_bcbuf;
+ struct ath_tx_control av_btxctl;
};
/*******************/
* number of beacon intervals, the game's up.
*/
#define BSTUCK_THRESH (9 * ATH_BCBUF)
-#define ATH_BCBUF 4 /* number of beacon buffers */
-#define ATH_DEFAULT_BINTVAL 100 /* default beacon interval in TU */
+#define ATH_BCBUF 1
+#define ATH_DEFAULT_BINTVAL 100 /* TU */
#define ATH_DEFAULT_BMISS_LIMIT 10
#define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024)
-/* beacon configuration */
struct ath_beacon_config {
u16 beacon_interval;
u16 listen_interval;
} u; /* last received beacon/probe response timestamp of this BSS. */
};
+struct ath_beacon {
+ enum {
+ OK, /* no change needed */
+ UPDATE, /* update pending */
+ COMMIT /* beacon sent, commit change */
+ } updateslot; /* slot time update fsm */
+
+ u32 beaconq;
+ u32 bmisscnt;
+ u32 ast_be_xmit;
+ u64 bc_tstamp;
+ int bslot[ATH_BCBUF];
+ int slottime;
+ int slotupdate;
+ struct ath9k_tx_queue_info beacon_qi;
+ struct ath_descdma bdma;
+ struct ath_txq *cabq;
+ struct list_head bbuf;
+};
+
void ath9k_beacon_tasklet(unsigned long data);
void ath_beacon_config(struct ath_softc *sc, int if_id);
int ath_beaconq_setup(struct ath_hal *ah);
#define DEFAULT_CACHELINE 32
#define ATH_DEFAULT_NOISE_FLOOR -95
#define ATH_REGCLASSIDS_MAX 10
-#define ATH_CABQ_READY_TIME 80 /* % of beacon interval */
+#define ATH_CABQ_READY_TIME 80 /* % of beacon interval */
#define ATH_MAX_SW_RETRIES 10
#define ATH_CHAN_MAX 255
#define IEEE80211_WEP_NKID 4 /* number of key ids */
* Different parts have different size key caches. We handle
* up to ATH_KEYMAX entries (could dynamically allocate state).
*/
-#define ATH_KEYMAX 128 /* max key cache size we handle */
+#define ATH_KEYMAX 128 /* max key cache size we handle */
#define ATH_IF_ID_ANY 0xff
#define ATH_TXPOWER_MAX 100 /* .5 dBm units */
struct pci_dev *pdev;
struct tasklet_struct intr_tq;
struct tasklet_struct bcon_tasklet;
- struct ath_config sc_config;
struct ath_hal *sc_ah;
void __iomem *mem;
+ spinlock_t sc_resetlock;
+ spinlock_t sc_serial_rw;
+ struct mutex mutex;
u8 sc_curbssid[ETH_ALEN];
u8 sc_myaddr[ETH_ALEN];
u8 sc_bssidmask[ETH_ALEN];
-
- int sc_debug;
u32 sc_intrstatus;
u32 sc_flags; /* SC_OP_* */
- unsigned int rx_filter;
u16 sc_curtxpow;
u16 sc_curaid;
u16 sc_cachelsz;
- int sc_slotupdate; /* slot to next advance fsm */
- int sc_slottime;
- int sc_bslot[ATH_BCBUF];
+ u8 sc_nbcnvaps;
+ u16 sc_nvaps;
u8 sc_tx_chainmask;
u8 sc_rx_chainmask;
+ u32 sc_keymax;
+ DECLARE_BITMAP(sc_keymap, ATH_KEYMAX);
+ u8 sc_splitmic;
+ u8 sc_protrix;
enum ath9k_int sc_imask;
- enum wireless_mode sc_curmode; /* current phy mode */
enum PROT_MODE sc_protmode;
-
- u8 sc_nbcnvaps; /* # of vaps sending beacons */
- u16 sc_nvaps; /* # of active virtual ap's */
- struct ieee80211_vif *sc_vaps[ATH_BCBUF];
-
- u8 sc_mcastantenna;
- u8 sc_defant; /* current default antenna */
- u8 sc_rxotherant; /* rx's on non-default antenna */
-
- struct ath9k_node_stats sc_halstats; /* station-mode rssi stats */
enum ath9k_ht_extprotspacing sc_ht_extprotspacing;
enum ath9k_ht_macmode tx_chan_width;
-#ifdef CONFIG_SLOW_ANT_DIV
- struct ath_antdiv sc_antdiv;
-#endif
- enum {
- OK, /* no change needed */
- UPDATE, /* update pending */
- COMMIT /* beacon sent, commit change */
- } sc_updateslot; /* slot time update fsm */
-
- /* Crypto */
- u32 sc_keymax; /* size of key cache */
- DECLARE_BITMAP(sc_keymap, ATH_KEYMAX); /* key use bit map */
- u8 sc_splitmic; /* split TKIP MIC keys */
-
- /* RX */
- struct list_head sc_rxbuf;
- struct ath_descdma sc_rxdma;
- int sc_rxbufsize; /* rx size based on mtu */
- u32 *sc_rxlink; /* link ptr in last RX desc */
-
- /* TX */
- struct list_head sc_txbuf;
- struct ath_txq sc_txq[ATH9K_NUM_TX_QUEUES];
- struct ath_descdma sc_txdma;
- u32 sc_txqsetup;
- int sc_haltype2q[ATH9K_WME_AC_VO+1]; /* HAL WME AC -> h/w qnum */
- u16 seq_no; /* TX sequence number */
-
- /* Beacon */
- struct ath9k_tx_queue_info sc_beacon_qi;
- struct ath_descdma sc_bdma;
- struct ath_txq *sc_cabq;
- struct list_head sc_bbuf;
- u32 sc_bhalq;
- u32 sc_bmisscount;
- u32 ast_be_xmit; /* beacons transmitted */
- u64 bc_tstamp;
-
- /* Rate */
+ struct ath_config sc_config;
+ struct ath_rx rx;
+ struct ath_tx tx;
+ struct ath_beacon beacon;
+ struct ieee80211_vif *sc_vaps[ATH_BCBUF];
struct ieee80211_rate rates[IEEE80211_NUM_BANDS][ATH_RATE_MAX];
struct ath_rate_table *hw_rate_table[ATH9K_MODE_MAX];
- u8 sc_protrix; /* protection rate index */
-
- /* Channel, Band */
+ struct ath_rate_table *cur_rate_table;
struct ieee80211_channel channels[IEEE80211_NUM_BANDS][ATH_CHAN_MAX];
struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
-
- /* Locks */
- spinlock_t sc_rxflushlock;
- spinlock_t sc_rxbuflock;
- spinlock_t sc_txbuflock;
- spinlock_t sc_resetlock;
-
- /* LEDs */
struct ath_led radio_led;
struct ath_led assoc_led;
struct ath_led tx_led;
struct ath_led rx_led;
-
- /* Rfkill */
struct ath_rfkill rf_kill;
-
- /* ANI */
struct ath_ani sc_ani;
+ struct ath9k_node_stats sc_halstats;
+#ifdef CONFIG_ATH9K_DEBUG
+ struct ath9k_debug sc_debug;
+#endif
};
int ath_reset(struct ath_softc *sc, bool retry_tx);
int ath_get_mac80211_qnum(u32 queue, struct ath_softc *sc);
int ath_cabq_update(struct ath_softc *);
+/*
+ * Read and write, they both share the same lock. We do this to serialize
+ * reads and writes on Atheros 802.11n PCI devices only. This is required
+ * as the FIFO on these devices can only accept sanely 2 requests. After
+ * that the device goes bananas. Serializing the reads/writes prevents this
+ * from happening.
+ */
+
+static inline void ath9k_iowrite32(struct ath_hal *ah, u32 reg_offset, u32 val)
+{
+ if (ah->ah_config.serialize_regmode == SER_REG_MODE_ON) {
+ unsigned long flags;
+ spin_lock_irqsave(&ah->ah_sc->sc_serial_rw, flags);
+ iowrite32(val, ah->ah_sc->mem + reg_offset);
+ spin_unlock_irqrestore(&ah->ah_sc->sc_serial_rw, flags);
+ } else
+ iowrite32(val, ah->ah_sc->mem + reg_offset);
+}
+
+static inline unsigned int ath9k_ioread32(struct ath_hal *ah, u32 reg_offset)
+{
+ u32 val;
+ if (ah->ah_config.serialize_regmode == SER_REG_MODE_ON) {
+ unsigned long flags;
+ spin_lock_irqsave(&ah->ah_sc->sc_serial_rw, flags);
+ val = ioread32(ah->ah_sc->mem + reg_offset);
+ spin_unlock_irqrestore(&ah->ah_sc->sc_serial_rw, flags);
+ } else
+ val = ioread32(ah->ah_sc->mem + reg_offset);
+ return val;
+}
+
#endif /* CORE_H */