#include <linux/scatterlist.h>
#include <asm/page.h>
#include <net/mac80211.h>
+#include <linux/leds.h>
+#include <linux/rfkill.h>
#include "ath9k.h"
#include "rc.h"
} \
} while (0)
+#define TSF_TO_TU(_h,_l) \
+ ((((u32)(_h)) << 22) | (((u32)(_l)) >> 10))
+
/* XXX: remove */
#define memzero(_buf, _len) memset(_buf, 0, _len)
-#define get_dma_mem_context(var, field) (&((var)->field))
-#define copy_dma_mem_context(dst, src) (*dst = *src)
-
#define ATH9K_BH_STATUS_INTACT 0
#define ATH9K_BH_STATUS_CHANGE 1
return ((jiffies / HZ) * 1000) + (jiffies % HZ) * (1000 / HZ);
}
+static const u8 ath_bcast_mac[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
+
/*************/
/* Debugging */
/*************/
/* Descriptor Management */
/*************************/
-/* Number of descriptors per buffer. The only case where we see skbuff
-chains is due to FF aggregation in the driver. */
-#define ATH_TXDESC 1
-/* if there's more fragment for this MSDU */
-#define ATH_BF_MORE_MPDU 1
#define ATH_TXBUF_RESET(_bf) do { \
(_bf)->bf_status = 0; \
(_bf)->bf_lastbf = NULL; \
sizeof(struct ath_buf_state)); \
} while (0)
+enum buffer_type {
+ BUF_DATA = BIT(0),
+ BUF_AGGR = BIT(1),
+ BUF_AMPDU = BIT(2),
+ BUF_HT = BIT(3),
+ BUF_RETRY = BIT(4),
+ BUF_XRETRY = BIT(5),
+ BUF_SHORT_PREAMBLE = BIT(6),
+ BUF_BAR = BIT(7),
+ BUF_PSPOLL = BIT(8),
+ BUF_AGGR_BURST = BIT(9),
+ BUF_CALC_AIRTIME = BIT(10),
+};
+
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 */
+ 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 */
struct ath_rc_series bfs_rcs[4]; /* rate series */
- u8 bfs_isdata:1; /* is a data frame/aggregate */
- u8 bfs_isaggr:1; /* is an aggregate */
- u8 bfs_isampdu:1; /* is an a-mpdu, aggregate or not */
- u8 bfs_ht:1; /* is an HT frame */
- u8 bfs_isretried:1; /* is retried */
- u8 bfs_isxretried:1; /* is excessive retried */
- u8 bfs_shpreamble:1; /* is short preamble */
- u8 bfs_isbar:1; /* is a BAR */
- u8 bfs_ispspoll:1; /* is a PS-Poll */
- u8 bfs_aggrburst:1; /* is a aggr burst */
- u8 bfs_calcairtime:1; /* requests airtime be calculated
- when set for tx frame */
- int bfs_rifsburst_elem; /* RIFS burst/bar */
- int bfs_nrifsubframes; /* # of elements in burst */
+ u32 bf_type; /* BUF_* (enum buffer_type) */
/* key type use to encrypt this frame */
enum ath9k_key_type bfs_keytype;
};
#define bf_seqno bf_state.bfs_seqno
#define bf_tidno bf_state.bfs_tidno
#define bf_rcs bf_state.bfs_rcs
-#define bf_isdata bf_state.bfs_isdata
-#define bf_isaggr bf_state.bfs_isaggr
-#define bf_isampdu bf_state.bfs_isampdu
-#define bf_ht bf_state.bfs_ht
-#define bf_isretried bf_state.bfs_isretried
-#define bf_isxretried bf_state.bfs_isxretried
-#define bf_shpreamble bf_state.bfs_shpreamble
-#define bf_rifsburst_elem bf_state.bfs_rifsburst_elem
-#define bf_nrifsubframes bf_state.bfs_nrifsubframes
#define bf_keytype bf_state.bfs_keytype
-#define bf_isbar bf_state.bfs_isbar
-#define bf_ispspoll bf_state.bfs_ispspoll
-#define bf_aggrburst bf_state.bfs_aggrburst
-#define bf_calcairtime bf_state.bfs_calcairtime
+#define bf_isdata(bf) (bf->bf_state.bf_type & BUF_DATA)
+#define bf_isaggr(bf) (bf->bf_state.bf_type & BUF_AGGR)
+#define bf_isampdu(bf) (bf->bf_state.bf_type & BUF_AMPDU)
+#define bf_isht(bf) (bf->bf_state.bf_type & BUF_HT)
+#define bf_isretried(bf) (bf->bf_state.bf_type & BUF_RETRY)
+#define bf_isxretried(bf) (bf->bf_state.bf_type & BUF_XRETRY)
+#define bf_isshpreamble(bf) (bf->bf_state.bf_type & BUF_SHORT_PREAMBLE)
+#define bf_isbar(bf) (bf->bf_state.bf_type & BUF_BAR)
+#define bf_ispspoll(bf) (bf->bf_state.bf_type & BUF_PSPOLL)
+#define bf_isaggrburst(bf) (bf->bf_state.bf_type & BUF_AGGR_BURST)
/*
* Abstraction of a contiguous buffer to transmit/receive. There is only
* a single hw descriptor encapsulated here.
*/
-
struct ath_buf {
struct list_head list;
struct list_head *last;
struct sk_buff *skb,
struct ath_recv_status *rx_status,
enum ATH_RX_TYPE *status);
-int ath__rx_indicate(struct ath_softc *sc,
- struct sk_buff *skb,
- struct ath_recv_status *status,
- u16 keyix);
+int _ath_rx_indicate(struct ath_softc *sc,
+ struct sk_buff *skb,
+ struct ath_recv_status *status,
+ u16 keyix);
int ath_rx_subframe(struct ath_node *an, struct sk_buff *skb,
struct ath_recv_status *status);
/* TX */
/******/
-#define ATH_FRAG_PER_MSDU 1
-#define ATH_TXBUF (512/ATH_FRAG_PER_MSDU)
+#define ATH_TXBUF 512
/* max number of transmit attempts (tries) */
#define ATH_TXMAXTRY 13
/* max number of 11n transmit attempts (tries) */
u32 keyix;
int min_rate;
int mcast_rate;
- u16 nextfraglen;
struct ath_softc *dev;
dma_addr_t dmacontext;
};
int ath_tx_setup(struct ath_softc *sc, int haltype);
void ath_draintxq(struct ath_softc *sc, bool retry_tx);
void ath_tx_draintxq(struct ath_softc *sc,
- struct ath_txq *txq, bool retry_tx);
+ struct ath_txq *txq, bool retry_tx);
void ath_tx_node_init(struct ath_softc *sc, struct ath_node *an);
void ath_tx_node_cleanup(struct ath_softc *sc,
- struct ath_node *an, bool bh_flag);
+ struct ath_node *an, bool bh_flag);
void ath_tx_node_free(struct ath_softc *sc, struct ath_node *an);
void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq);
int ath_tx_init(struct ath_softc *sc, int nbufs);
void ath_notify_txq_status(struct ath_softc *sc, u16 queue_depth);
void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
struct ath_xmit_status *tx_status, struct ath_node *an);
+void ath_tx_cabq(struct ath_softc *sc, struct sk_buff *skb);
/**********************/
/* Node / Aggregation */
/* indicates the node is 80211 power save */
#define ATH_NODE_PWRSAVE 0x2
-#define ADDBA_TIMEOUT 200 /* 200 milliseconds */
#define ADDBA_EXCHANGE_ATTEMPTS 10
#define ATH_AGGR_DELIM_SZ 4 /* delimiter size */
#define ATH_AGGR_MINPLEN 256 /* in bytes, minimum packet length */
#define ATH_BCBUF 4 /* number of beacon buffers */
#define ATH_DEFAULT_BINTVAL 100 /* default beacon interval in TU */
#define ATH_DEFAULT_BMISS_LIMIT 10
-#define ATH_BEACON_AIFS_DEFAULT 0 /* Default aifs for ap beacon q */
-#define ATH_BEACON_CWMIN_DEFAULT 0 /* Default cwmin for ap beacon q */
-#define ATH_BEACON_CWMAX_DEFAULT 0 /* Default cwmax for ap beacon q */
#define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024)
/* beacon configuration */
} u; /* last received beacon/probe response timestamp of this BSS. */
};
-/* offsets in a beacon frame for
- * quick acess of beacon content by low-level driver */
-struct ath_beacon_offset {
- u8 *bo_tim; /* start of atim/dtim */
-};
-
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);
int ath_beacon_alloc(struct ath_softc *sc, int if_id);
void ath_bstuck_process(struct ath_softc *sc);
-void ath_beacon_tasklet(struct ath_softc *sc, int *needmark);
-void ath_beacon_free(struct ath_softc *sc);
void ath_beacon_return(struct ath_softc *sc, struct ath_vap *avp);
void ath_beacon_sync(struct ath_softc *sc, int if_id);
-void ath_update_beacon_info(struct ath_softc *sc, int avgbrssi);
void ath_get_beaconconfig(struct ath_softc *sc,
int if_id,
struct ath_beacon_config *conf);
-int ath_update_beacon(struct ath_softc *sc,
- int if_id,
- struct ath_beacon_offset *bo,
- struct sk_buff *skb,
- int mcast);
/********/
/* VAPs */
/********/
struct ieee80211_vif *av_if_data;
enum ath9k_opmode av_opmode; /* VAP operational mode */
struct ath_buf *av_bcbuf; /* beacon buffer */
- struct ath_beacon_offset av_boff; /* dynamic update state */
struct ath_tx_control av_btxctl; /* txctl information for beacon */
int av_bslot; /* beacon slot index */
- struct ath_txq av_mcastq; /* multicast transmit queue */
struct ath_vap_config av_config;/* vap configuration parameters*/
struct ath_rate_node *rc_node;
};
enum ath9k_opmode opmode);
int ath_vap_detach(struct ath_softc *sc, int if_id);
int ath_vap_config(struct ath_softc *sc,
- int if_id, struct ath_vap_config *if_config);
-int ath_vap_listen(struct ath_softc *sc, int if_id);
+ int if_id, struct ath_vap_config *if_config);
/*********************/
/* Antenna diversity */
void ath_setdefantenna(void *sc, u32 antenna);
/********************/
+/* LED Control */
+/********************/
+
+#define ATH_LED_PIN 1
+
+enum ath_led_type {
+ ATH_LED_RADIO,
+ ATH_LED_ASSOC,
+ ATH_LED_TX,
+ ATH_LED_RX
+};
+
+struct ath_led {
+ struct ath_softc *sc;
+ struct led_classdev led_cdev;
+ enum ath_led_type led_type;
+ char name[32];
+ bool registered;
+};
+
+/* Rfkill */
+#define ATH_RFKILL_POLL_INTERVAL 2000 /* msecs */
+
+struct ath_rfkill {
+ struct rfkill *rfkill;
+ struct delayed_work rfkill_poll;
+ char rfkill_name[32];
+};
+
+/********************/
/* Main driver core */
/********************/
#define ATH_DEFAULT_NOISE_FLOOR -95
#define ATH_REGCLASSIDS_MAX 10
#define ATH_CABQ_READY_TIME 80 /* % of beacon interval */
-#define ATH_PREAMBLE_SHORT (1<<0)
-#define ATH_PROTECT_ENABLE (1<<1)
#define ATH_MAX_SW_RETRIES 10
-/* Num farmes difference in tx to flip default recv */
-#define ATH_ANTENNA_DIFF 2
#define ATH_CHAN_MAX 255
#define IEEE80211_WEP_NKID 4 /* number of key ids */
#define IEEE80211_RATE_VAL 0x7f
*/
#define ATH_KEYMAX 128 /* max key cache size we handle */
-#define RESET_RETRY_TXQ 0x00000001
#define ATH_IF_ID_ANY 0xff
-
#define ATH_TXPOWER_MAX 100 /* .5 dBm units */
#define RSSI_LPF_THRESHOLD -20
u8 ext_chan_offset;
};
+#define SC_OP_INVALID BIT(0)
+#define SC_OP_BEACONS BIT(1)
+#define SC_OP_RXAGGR BIT(2)
+#define SC_OP_TXAGGR BIT(3)
+#define SC_OP_CHAINMASK_UPDATE BIT(4)
+#define SC_OP_FULL_RESET BIT(5)
+#define SC_OP_NO_RESET BIT(6)
+#define SC_OP_PREAMBLE_SHORT BIT(7)
+#define SC_OP_PROTECT_ENABLE BIT(8)
+#define SC_OP_RXFLUSH BIT(9)
+#define SC_OP_LED_ASSOCIATED BIT(10)
+#define SC_OP_RFKILL_REGISTERED BIT(11)
+#define SC_OP_RFKILL_SW_BLOCKED BIT(12)
+#define SC_OP_RFKILL_HW_BLOCKED BIT(13)
+
struct ath_softc {
struct ieee80211_hw *hw;
struct pci_dev *pdev;
- void __iomem *mem;
struct tasklet_struct intr_tq;
struct tasklet_struct bcon_tasklet;
- struct ath_config sc_config; /* load-time parameters */
- int sc_debug;
+ struct ath_config sc_config;
struct ath_hal *sc_ah;
- struct ath_rate_softc *sc_rc; /* tx rate control support */
+ struct ath_rate_softc *sc_rc;
+ void __iomem *mem;
+
+ u8 sc_curbssid[ETH_ALEN];
+ u8 sc_myaddr[ETH_ALEN];
+ u8 sc_bssidmask[ETH_ALEN];
+
+ int sc_debug;
u32 sc_intrstatus;
- enum ath9k_opmode sc_opmode; /* current operating mode */
-
- u8 sc_invalid; /* being detached */
- u8 sc_beacons; /* beacons running */
- u8 sc_scanning; /* scanning active */
- u8 sc_txaggr; /* enable 11n tx aggregation */
- u8 sc_rxaggr; /* enable 11n rx aggregation */
- u8 sc_update_chainmask; /* change chain mask */
- u8 sc_full_reset; /* force full reset */
- enum wireless_mode sc_curmode; /* current phy mode */
+ u32 sc_flags; /* SC_OP_* */
+ unsigned int rx_filter;
u16 sc_curtxpow;
u16 sc_curaid;
- u8 sc_curbssid[ETH_ALEN];
- u8 sc_myaddr[ETH_ALEN];
+ u16 sc_cachelsz;
+ int sc_slotupdate; /* slot to next advance fsm */
+ int sc_slottime;
+ int sc_bslot[ATH_BCBUF];
+ u8 sc_tx_chainmask;
+ u8 sc_rx_chainmask;
+ enum ath9k_int sc_imask;
+ enum wireless_mode sc_curmode; /* current phy mode */
enum PROT_MODE sc_protmode;
- u8 sc_mcastantenna;
- u8 sc_txantenna; /* data tx antenna (fixed or auto) */
+
u8 sc_nbcnvaps; /* # of vaps sending beacons */
u16 sc_nvaps; /* # of active virtual ap's */
struct ath_vap *sc_vaps[ATH_BCBUF];
- enum ath9k_int sc_imask;
- u8 sc_bssidmask[ETH_ALEN];
+
+ u8 sc_mcastantenna;
u8 sc_defant; /* current default antenna */
u8 sc_rxotherant; /* rx's on non-default antenna */
- u16 sc_cachelsz;
- int sc_slotupdate; /* slot to next advance fsm */
- int sc_slottime;
- u8 sc_noreset;
- int sc_bslot[ATH_BCBUF];
+
struct ath9k_node_stats sc_halstats; /* station-mode rssi stats */
struct list_head node_list;
struct ath_ht_info sc_ht_info;
- int16_t sc_noise_floor; /* signal noise floor in dBm */
enum ath9k_ht_extprotspacing sc_ht_extprotspacing;
- u8 sc_tx_chainmask;
- u8 sc_rx_chainmask;
- u8 sc_rxchaindetect_ref;
- u8 sc_rxchaindetect_thresh5GHz;
- u8 sc_rxchaindetect_thresh2GHz;
- u8 sc_rxchaindetect_delta5GHz;
- u8 sc_rxchaindetect_delta2GHz;
- u32 sc_rtsaggrlimit; /* Chipset specific aggr limit */
- u32 sc_flags;
+
#ifdef CONFIG_SLOW_ANT_DIV
struct ath_antdiv sc_antdiv;
#endif
struct ath_descdma sc_rxdma;
int sc_rxbufsize; /* rx size based on mtu */
u32 *sc_rxlink; /* link ptr in last RX desc */
- u32 sc_rxflush; /* rx flush in progress */
- u64 sc_lastrx; /* tsf of last rx'd frame */
/* TX */
struct list_head sc_txbuf;
u32 sc_txqsetup;
u32 sc_txintrperiod; /* tx interrupt batching */
int sc_haltype2q[ATH9K_WME_AC_VO+1]; /* HAL WME AC -> h/w qnum */
- u32 sc_ant_tx[8]; /* recent tx frames/antenna */
u16 seq_no; /* TX sequence number */
/* Beacon */
u32 sc_bhalq;
u32 sc_bmisscount;
u32 ast_be_xmit; /* beacons transmitted */
+ u64 bc_tstamp;
/* Rate */
struct ieee80211_rate rates[IEEE80211_NUM_BANDS][ATH_RATE_MAX];
/* Channel, Band */
struct ieee80211_channel channels[IEEE80211_NUM_BANDS][ATH_CHAN_MAX];
struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
- struct ath9k_channel sc_curchan;
/* Locks */
spinlock_t sc_rxflushlock;
spinlock_t sc_txbuflock;
spinlock_t sc_resetlock;
spinlock_t node_lock;
+
+ /* 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;
};
int ath_init(u16 devid, struct ath_softc *sc);
int ath_open(struct ath_softc *sc, struct ath9k_channel *initial_chan);
int ath_suspend(struct ath_softc *sc);
irqreturn_t ath_isr(int irq, void *dev);
-int ath_reset(struct ath_softc *sc);
-void ath_scan_start(struct ath_softc *sc);
-void ath_scan_end(struct ath_softc *sc);
+int ath_reset(struct ath_softc *sc, bool retry_tx);
int ath_set_channel(struct ath_softc *sc, struct ath9k_channel *hchan);
-void ath_setup_rate(struct ath_softc *sc,
- enum wireless_mode wMode,
- enum RATE_TYPE type,
- const struct ath9k_rate_table *rt);
/*********************/
/* Utility Functions */
void ath_get_currentCountry(struct ath_softc *sc,
struct ath9k_country_entry *ctry);
u64 ath_extend_tsf(struct ath_softc *sc, u32 rstamp);
-void ath_internal_reset(struct ath_softc *sc);
-u32 ath_chan2flags(struct ieee80211_channel *chan, struct ath_softc *sc);
-dma_addr_t ath_skb_map_single(struct ath_softc *sc,
- struct sk_buff *skb,
- int direction,
- dma_addr_t *pa);
-void ath_skb_unmap_single(struct ath_softc *sc,
- struct sk_buff *skb,
- int direction,
- dma_addr_t *pa);
-void ath_mcast_merge(struct ath_softc *sc, u32 mfilt[2]);
-enum ath9k_ht_macmode ath_cwm_macmode(struct ath_softc *sc);
#endif /* CORE_H */
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