2 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
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31 #ifndef __IF_ATH_MISC_H__
32 #define __IF_ATH_MISC_H__
35 * This is where definitions for "public things" in if_ath.c
36 * will go for the time being.
38 * Anything in here should eventually be moved out of if_ath.c
39 * and into something else.
42 /* unaligned little endian access */
43 #define LE_READ_2(p) \
45 ((((u_int8_t *)(p))[0] ) | (((u_int8_t *)(p))[1] << 8)))
46 #define LE_READ_4(p) \
48 ((((u_int8_t *)(p))[0] ) | (((u_int8_t *)(p))[1] << 8) | \
49 (((u_int8_t *)(p))[2] << 16) | (((u_int8_t *)(p))[3] << 24)))
53 extern int ath_txbuf_mgmt;
55 extern int ath_tx_findrix(const struct ath_softc *sc, uint8_t rate);
57 extern struct ath_buf * ath_getbuf(struct ath_softc *sc,
58 ath_buf_type_t btype);
59 extern struct ath_buf * _ath_getbuf_locked(struct ath_softc *sc,
60 ath_buf_type_t btype);
61 extern struct ath_buf * ath_buf_clone(struct ath_softc *sc,
62 const struct ath_buf *bf);
63 /* XXX change this to NULL the buffer pointer? */
64 extern void ath_freebuf(struct ath_softc *sc, struct ath_buf *bf);
65 extern void ath_returnbuf_head(struct ath_softc *sc, struct ath_buf *bf);
66 extern void ath_returnbuf_tail(struct ath_softc *sc, struct ath_buf *bf);
68 extern int ath_reset(struct ifnet *, ATH_RESET_TYPE);
69 extern void ath_tx_default_comp(struct ath_softc *sc, struct ath_buf *bf,
71 extern void ath_tx_update_ratectrl(struct ath_softc *sc,
72 struct ieee80211_node *ni, struct ath_rc_series *rc,
73 struct ath_tx_status *ts, int frmlen, int nframes, int nbad);
75 extern void ath_tx_freebuf(struct ath_softc *sc, struct ath_buf *bf,
78 extern void ath_txqmove(struct ath_txq *dst, struct ath_txq *src);
80 extern void ath_mode_init(struct ath_softc *sc);
82 extern void ath_setdefantenna(struct ath_softc *sc, u_int antenna);
84 extern void ath_setslottime(struct ath_softc *sc);
86 extern int ath_descdma_alloc_desc(struct ath_softc *sc,
87 struct ath_descdma *dd, ath_bufhead *head, const char *name,
88 int ds_size, int ndesc);
89 extern int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd,
90 ath_bufhead *head, const char *name, int ds_size, int nbuf,
92 extern int ath_descdma_setup_rx_edma(struct ath_softc *sc,
93 struct ath_descdma *dd, ath_bufhead *head, const char *name,
94 int nbuf, int desclen);
95 extern void ath_descdma_cleanup(struct ath_softc *sc,
96 struct ath_descdma *dd, ath_bufhead *head);
98 extern void ath_legacy_attach_comp_func(struct ath_softc *sc);
100 extern void ath_tx_draintxq(struct ath_softc *sc, struct ath_txq *txq);
102 extern void ath_legacy_tx_drain(struct ath_softc *sc,
103 ATH_RESET_TYPE reset_type);
105 extern void ath_tx_process_buf_completion(struct ath_softc *sc,
106 struct ath_txq *txq, struct ath_tx_status *ts, struct ath_buf *bf);
108 extern int ath_stoptxdma(struct ath_softc *sc);
110 extern void ath_tx_update_tim(struct ath_softc *sc,
111 struct ieee80211_node *ni, int enable);
114 * This is only here so that the RX proc function can call it.
115 * It's very likely that the "start TX after RX" call should be
116 * done via something in if_ath.c, moving "rx tasklet" into
117 * if_ath.c and do the ath_start() call there. Once that's done,
120 extern void ath_start(struct ifnet *ifp);
121 extern void ath_start_task(void *arg, int npending);
124 ath_tx_kick(struct ath_softc *sc)
127 /* XXX eventually try sc_tx_tq? */
128 taskqueue_enqueue(sc->sc_tx_tq, &sc->sc_txpkttask);