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path: root/drivers/net/wireless/ath9k/core.h
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Diffstat (limited to 'drivers/net/wireless/ath9k/core.h')
-rw-r--r--drivers/net/wireless/ath9k/core.h280
1 files changed, 36 insertions, 244 deletions
diff --git a/drivers/net/wireless/ath9k/core.h b/drivers/net/wireless/ath9k/core.h
index 69e8d3e4113..f0c54377dfe 100644
--- a/drivers/net/wireless/ath9k/core.h
+++ b/drivers/net/wireless/ath9k/core.h
@@ -47,10 +47,6 @@
struct ath_node;
-/******************/
-/* Utility macros */
-/******************/
-
/* Macro to expand scalars to 64-bit objects */
#define ito64(x) (sizeof(x) == 8) ? \
@@ -86,11 +82,6 @@ struct ath_node;
#define ATH_TXQ_SETUP(sc, i) ((sc)->sc_txqsetup & (1<<i))
-static inline unsigned long get_timestamp(void)
-{
- return ((jiffies / HZ) * 1000) + (jiffies % HZ) * (1000 / HZ);
-}
-
static const u8 ath_bcast_mac[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
/*************/
@@ -141,34 +132,6 @@ struct ath_config {
u8 swBeaconProcess; /* Process received beacons in SW (vs HW) */
};
-/***********************/
-/* Chainmask Selection */
-/***********************/
-
-#define ATH_CHAINMASK_SEL_TIMEOUT 6000
-/* Default - Number of last RSSI values that is used for
- * chainmask selection */
-#define ATH_CHAINMASK_SEL_RSSI_CNT 10
-/* Means use 3x3 chainmask instead of configured chainmask */
-#define ATH_CHAINMASK_SEL_3X3 7
-/* Default - Rssi threshold below which we have to switch to 3x3 */
-#define ATH_CHAINMASK_SEL_UP_RSSI_THRES 20
-/* Default - Rssi threshold above which we have to switch to
- * user configured values */
-#define ATH_CHAINMASK_SEL_DOWN_RSSI_THRES 35
-/* Struct to store the chainmask select related info */
-struct ath_chainmask_sel {
- struct timer_list timer;
- int cur_tx_mask; /* user configured or 3x3 */
- int cur_rx_mask; /* user configured or 3x3 */
- int tx_avgrssi;
- u8 switch_allowed:1, /* timer will set this */
- cm_sel_enabled : 1;
-};
-
-int ath_chainmask_sel_logic(struct ath_softc *sc, struct ath_node *an);
-void ath_update_chainmask(struct ath_softc *sc, int is_ht);
-
/*************************/
/* Descriptor Management */
/*************************/
@@ -203,7 +166,6 @@ struct ath_buf_state {
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 */
u32 bf_type; /* BUF_* (enum buffer_type) */
/* key type use to encrypt this frame */
u32 bfs_keyix;
@@ -241,7 +203,6 @@ struct ath_buf {
an aggregate) */
struct ath_buf *bf_lastfrm; /* last buf of this frame */
struct ath_buf *bf_next; /* next subframe in the aggregate */
- struct ath_buf *bf_rifslast; /* last buf for RIFS burst */
void *bf_mpdu; /* enclosing frame structure */
struct ath_desc *bf_desc; /* virtual addr of desc */
dma_addr_t bf_daddr; /* physical addr of desc */
@@ -279,80 +240,27 @@ struct ath_descdma {
dma_addr_t dd_dmacontext;
};
-/* Abstraction of a received RX MPDU/MMPDU, or a RX fragment */
-
-struct ath_rx_context {
- struct ath_buf *ctx_rxbuf; /* associated ath_buf for rx */
-};
-#define ATH_RX_CONTEXT(skb) ((struct ath_rx_context *)skb->cb)
-
-int ath_descdma_setup(struct ath_softc *sc,
- struct ath_descdma *dd,
- struct list_head *head,
- const char *name,
- int nbuf,
- int ndesc);
-int ath_desc_alloc(struct ath_softc *sc);
-void ath_desc_free(struct ath_softc *sc);
-void ath_descdma_cleanup(struct ath_softc *sc,
- struct ath_descdma *dd,
+int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd,
+ struct list_head *head, const char *name,
+ int nbuf, int ndesc);
+void ath_descdma_cleanup(struct ath_softc *sc, struct ath_descdma *dd,
struct list_head *head);
-/******/
-/* RX */
-/******/
+/***********/
+/* RX / TX */
+/***********/
#define ATH_MAX_ANTENNA 3
#define ATH_RXBUF 512
#define WME_NUM_TID 16
-/* per frame rx status block */
-struct ath_recv_status {
- u64 tsf; /* mac tsf */
- int8_t rssi; /* RSSI (noise floor ajusted) */
- int8_t rssictl[ATH_MAX_ANTENNA]; /* RSSI (noise floor ajusted) */
- int8_t rssiextn[ATH_MAX_ANTENNA]; /* RSSI (noise floor ajusted) */
- int8_t abs_rssi; /* absolute RSSI */
- u8 rateieee; /* data rate received (IEEE rate code) */
- u8 ratecode; /* phy rate code */
- int rateKbps; /* data rate received (Kbps) */
- int antenna; /* rx antenna */
- int flags; /* status of associated skb */
-#define ATH_RX_FCS_ERROR 0x01
-#define ATH_RX_MIC_ERROR 0x02
-#define ATH_RX_DECRYPT_ERROR 0x04
-#define ATH_RX_RSSI_VALID 0x08
-/* if any of ctl,extn chainrssis are valid */
-#define ATH_RX_CHAIN_RSSI_VALID 0x10
-/* if extn chain rssis are valid */
-#define ATH_RX_RSSI_EXTN_VALID 0x20
-/* set if 40Mhz, clear if 20Mhz */
-#define ATH_RX_40MHZ 0x40
-/* set if short GI, clear if full GI */
-#define ATH_RX_SHORT_GI 0x80
-};
-
-struct ath_rxbuf {
- struct sk_buff *rx_wbuf;
- unsigned long rx_time; /* system time when received */
- struct ath_recv_status rx_status; /* cached rx status */
-};
-
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);
-void ath_handle_rx_intr(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);
-int _ath_rx_indicate(struct ath_softc *sc,
- struct sk_buff *skb,
- struct ath_recv_status *status,
- u16 keyix);
-/******/
-/* TX */
-/******/
#define ATH_TXBUF 512
/* max number of transmit attempts (tries) */
@@ -500,9 +408,6 @@ int ath_tx_start(struct ath_softc *sc, struct sk_buff *skb,
void ath_tx_tasklet(struct ath_softc *sc);
u32 ath_txq_depth(struct ath_softc *sc, int qnum);
u32 ath_txq_aggr_depth(struct ath_softc *sc, int qnum);
-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);
void ath_tx_cabq(struct ath_softc *sc, struct sk_buff *skb);
/**********************/
@@ -567,25 +472,41 @@ struct ath_node_aggr {
/* driver-specific node state */
struct ath_node {
struct ath_softc *an_sc;
- struct ath_chainmask_sel an_chainmask_sel;
struct ath_node_aggr an_aggr;
u16 maxampdu;
u8 mpdudensity;
};
-void ath_tx_resume_tid(struct ath_softc *sc,
- struct ath_atx_tid *tid);
+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);
+void ath_tx_aggr_teardown(struct ath_softc *sc, struct ath_node *an, u8 tidno);
int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
u16 tid, u16 *ssn);
int ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
-void ath_newassoc(struct ath_softc *sc,
- struct ath_node *node, int isnew, int isuapsd);
-void ath_node_attach(struct ath_softc *sc, struct ieee80211_sta *sta);
-void ath_node_detach(struct ath_softc *sc, struct ieee80211_sta *sta);
+
+/********/
+/* VAPs */
+/********/
+
+/*
+ * Define the scheme that we select MAC address for multiple
+ * BSS on the same radio. The very first VAP will just use the MAC
+ * address from the EEPROM. For the next 3 VAPs, we set the
+ * U/L bit (bit 1) in MAC address, and use the next two bits as the
+ * index of the VAP.
+ */
+
+#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 */
+};
/*******************/
/* Beacon Handling */
@@ -620,80 +541,8 @@ 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_return(struct ath_softc *sc, struct ath_vap *avp);
void ath_beacon_sync(struct ath_softc *sc, int if_id);
-void ath_get_beaconconfig(struct ath_softc *sc,
- int if_id,
- struct ath_beacon_config *conf);
-/********/
-/* VAPs */
-/********/
-
-/*
- * Define the scheme that we select MAC address for multiple
- * BSS on the same radio. The very first VAP will just use the MAC
- * address from the EEPROM. For the next 3 VAPs, we set the
- * U/L bit (bit 1) in MAC address, and use the next two bits as the
- * index of the VAP.
- */
-
-#define ATH_SET_VAP_BSSID_MASK(bssid_mask) \
- ((bssid_mask)[0] &= ~(((ATH_BCBUF-1)<<2)|0x02))
-
-/* VAP configuration (from protocol layer) */
-struct ath_vap_config {
- u32 av_fixed_rateset;
- u32 av_fixed_retryset;
-};
-
-/* 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 */
- struct ath_vap_config av_config;/* vap configuration parameters*/
- struct ath_rate_node *rc_node;
-};
-
-/*********************/
-/* Antenna diversity */
-/*********************/
-
-#define ATH_ANT_DIV_MAX_CFG 2
-#define ATH_ANT_DIV_MIN_IDLE_US 1000000 /* us */
-#define ATH_ANT_DIV_MIN_SCAN_US 50000 /* us */
-
-enum ATH_ANT_DIV_STATE{
- ATH_ANT_DIV_IDLE,
- ATH_ANT_DIV_SCAN, /* evaluating antenna */
-};
-
-struct ath_antdiv {
- struct ath_softc *antdiv_sc;
- u8 antdiv_start;
- enum ATH_ANT_DIV_STATE antdiv_state;
- u8 antdiv_num_antcfg;
- u8 antdiv_curcfg;
- u8 antdiv_bestcfg;
- int32_t antdivf_rssitrig;
- int32_t antdiv_lastbrssi[ATH_ANT_DIV_MAX_CFG];
- u64 antdiv_lastbtsf[ATH_ANT_DIV_MAX_CFG];
- u64 antdiv_laststatetsf;
- u8 antdiv_bssid[ETH_ALEN];
-};
-
-void ath_slow_ant_div_init(struct ath_antdiv *antdiv,
- struct ath_softc *sc, int32_t rssitrig);
-void ath_slow_ant_div_start(struct ath_antdiv *antdiv,
- u8 num_antcfg,
- const u8 *bssid);
-void ath_slow_ant_div_stop(struct ath_antdiv *antdiv);
-void ath_slow_ant_div(struct ath_antdiv *antdiv,
- struct ieee80211_hdr *wh,
- struct ath_rx_status *rx_stats);
-void ath_setdefantenna(void *sc, u32 antenna);
/*******/
/* ANI */
@@ -775,30 +624,8 @@ struct ath_rfkill {
#define ATH_IF_ID_ANY 0xff
#define ATH_TXPOWER_MAX 100 /* .5 dBm units */
-
-#define RSSI_LPF_THRESHOLD -20
-#define ATH_RSSI_EP_MULTIPLIER (1<<7) /* pow2 to optimize out * and / */
-#define ATH_RATE_DUMMY_MARKER 0
-#define ATH_RSSI_LPF_LEN 10
-#define ATH_RSSI_DUMMY_MARKER 0x127
-
-#define ATH_EP_MUL(x, mul) ((x) * (mul))
-#define ATH_EP_RND(x, mul) \
- ((((x)%(mul)) >= ((mul)/2)) ? ((x) + ((mul) - 1)) / (mul) : (x)/(mul))
-#define ATH_RSSI_OUT(x) \
- (((x) != ATH_RSSI_DUMMY_MARKER) ? \
- (ATH_EP_RND((x), ATH_RSSI_EP_MULTIPLIER)) : ATH_RSSI_DUMMY_MARKER)
-#define ATH_RSSI_IN(x) \
- (ATH_EP_MUL((x), ATH_RSSI_EP_MULTIPLIER))
-#define ATH_LPF_RSSI(x, y, len) \
- ((x != ATH_RSSI_DUMMY_MARKER) ? \
- (((x) * ((len) - 1) + (y)) / (len)) : (y))
-#define ATH_RSSI_LPF(x, y) do { \
- if ((y) >= RSSI_LPF_THRESHOLD) \
- x = ATH_LPF_RSSI((x), \
- ATH_RSSI_IN((y)), ATH_RSSI_LPF_LEN); \
- } while (0)
-
+#define ATH_RSSI_DUMMY_MARKER 0x127
+#define ATH_RATE_DUMMY_MARKER 0
enum PROT_MODE {
PROT_M_NONE = 0,
@@ -806,17 +633,6 @@ enum PROT_MODE {
PROT_M_CTSONLY
};
-enum RATE_TYPE {
- NORMAL_RATE = 0,
- HALF_RATE,
- QUARTER_RATE
-};
-
-struct ath_ht_info {
- enum ath9k_ht_macmode tx_chan_width;
- u8 ext_chan_offset;
-};
-
#define SC_OP_INVALID BIT(0)
#define SC_OP_BEACONS BIT(1)
#define SC_OP_RXAGGR BIT(2)
@@ -839,7 +655,6 @@ struct ath_softc {
struct tasklet_struct bcon_tasklet;
struct ath_config sc_config;
struct ath_hal *sc_ah;
- struct ath_rate_softc *sc_rc;
void __iomem *mem;
u8 sc_curbssid[ETH_ALEN];
@@ -871,8 +686,8 @@ struct ath_softc {
u8 sc_rxotherant; /* rx's on non-default antenna */
struct ath9k_node_stats sc_halstats; /* station-mode rssi stats */
- struct ath_ht_info sc_ht_info;
enum ath9k_ht_extprotspacing sc_ht_extprotspacing;
+ enum ath9k_ht_macmode tx_chan_width;
#ifdef CONFIG_SLOW_ANT_DIV
struct ath_antdiv sc_antdiv;
@@ -914,13 +729,8 @@ struct ath_softc {
/* Rate */
struct ieee80211_rate rates[IEEE80211_NUM_BANDS][ATH_RATE_MAX];
- const struct ath9k_rate_table *sc_currates;
- u8 sc_rixmap[256]; /* IEEE to h/w rate table ix */
+ struct ath_rate_table *hw_rate_table[ATH9K_MODE_MAX];
u8 sc_protrix; /* protection rate index */
- struct {
- u32 rateKbps; /* transfer rate in kbs */
- u8 ieeerate; /* IEEE rate */
- } sc_hwmap[256]; /* h/w rate ix mappings */
/* Channel, Band */
struct ieee80211_channel channels[IEEE80211_NUM_BANDS][ATH_CHAN_MAX];
@@ -945,27 +755,9 @@ struct ath_softc {
struct ath_ani sc_ani;
};
-int ath_init(u16 devid, struct ath_softc *sc);
-int ath_open(struct ath_softc *sc, struct ath9k_channel *initial_chan);
-void ath_stop(struct ath_softc *sc);
-irqreturn_t ath_isr(int irq, void *dev);
int ath_reset(struct ath_softc *sc, bool retry_tx);
-int ath_set_channel(struct ath_softc *sc, struct ath9k_channel *hchan);
-
-/*********************/
-/* Utility Functions */
-/*********************/
-
-void ath_key_reset(struct ath_softc *sc, u16 keyix, int freeslot);
-int ath_keyset(struct ath_softc *sc,
- u16 keyix,
- struct ath9k_keyval *hk,
- const u8 mac[ETH_ALEN]);
int ath_get_hal_qnum(u16 queue, struct ath_softc *sc);
int ath_get_mac80211_qnum(u32 queue, struct ath_softc *sc);
-void ath_setslottime(struct ath_softc *sc);
-void ath_update_txpow(struct ath_softc *sc);
int ath_cabq_update(struct ath_softc *);
-u64 ath_extend_tsf(struct ath_softc *sc, u32 rstamp);
#endif /* CORE_H */
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2025-01-24 03:10:01 +0000