1 /*- 2 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer, 10 * without modification. 11 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 12 * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any 13 * redistribution must be conditioned upon including a substantially 14 * similar Disclaimer requirement for further binary redistribution. 15 * 16 * NO WARRANTY 17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY 20 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 21 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, 22 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 25 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 27 * THE POSSIBILITY OF SUCH DAMAGES. 28 * 29 * $FreeBSD$ 30 */ 31 #ifndef __IF_ATH_MISC_H__ 32 #define __IF_ATH_MISC_H__ 33 34 /* 35 * This is where definitions for "public things" in if_ath.c 36 * will go for the time being. 37 * 38 * Anything in here should eventually be moved out of if_ath.c 39 * and into something else. 40 */ 41 42 extern int ath_rxbuf; 43 extern int ath_txbuf; 44 extern int ath_txbuf_mgmt; 45 46 extern int ath_tx_findrix(const struct ath_softc *sc, uint8_t rate); 47 48 extern struct ath_buf * ath_getbuf(struct ath_softc *sc, 49 ath_buf_type_t btype); 50 extern struct ath_buf * _ath_getbuf_locked(struct ath_softc *sc, 51 ath_buf_type_t btype); 52 extern struct ath_buf * ath_buf_clone(struct ath_softc *sc, 53 struct ath_buf *bf); 54 /* XXX change this to NULL the buffer pointer? */ 55 extern void ath_freebuf(struct ath_softc *sc, struct ath_buf *bf); 56 extern void ath_returnbuf_head(struct ath_softc *sc, struct ath_buf *bf); 57 extern void ath_returnbuf_tail(struct ath_softc *sc, struct ath_buf *bf); 58 59 extern int ath_reset(struct ath_softc *, ATH_RESET_TYPE); 60 extern void ath_tx_default_comp(struct ath_softc *sc, struct ath_buf *bf, 61 int fail); 62 extern void ath_tx_update_ratectrl(struct ath_softc *sc, 63 struct ieee80211_node *ni, struct ath_rc_series *rc, 64 struct ath_tx_status *ts, int frmlen, int nframes, int nbad); 65 66 extern int ath_hal_gethangstate(struct ath_hal *ah, uint32_t mask, 67 uint32_t *hangs); 68 69 extern void ath_tx_freebuf(struct ath_softc *sc, struct ath_buf *bf, 70 int status); 71 extern void ath_txq_freeholdingbuf(struct ath_softc *sc, 72 struct ath_txq *txq); 73 74 extern void ath_txqmove(struct ath_txq *dst, struct ath_txq *src); 75 76 extern void ath_mode_init(struct ath_softc *sc); 77 78 extern void ath_setdefantenna(struct ath_softc *sc, u_int antenna); 79 80 extern void ath_setslottime(struct ath_softc *sc); 81 82 extern void ath_legacy_attach_comp_func(struct ath_softc *sc); 83 84 extern void ath_tx_draintxq(struct ath_softc *sc, struct ath_txq *txq); 85 86 extern void ath_legacy_tx_drain(struct ath_softc *sc, 87 ATH_RESET_TYPE reset_type); 88 89 extern void ath_tx_process_buf_completion(struct ath_softc *sc, 90 struct ath_txq *txq, struct ath_tx_status *ts, struct ath_buf *bf); 91 92 extern int ath_stoptxdma(struct ath_softc *sc); 93 94 extern void ath_tx_update_tim(struct ath_softc *sc, 95 struct ieee80211_node *ni, int enable); 96 97 /* 98 * This is only here so that the RX proc function can call it. 99 * It's very likely that the "start TX after RX" call should be 100 * done via something in if_ath.c, moving "rx tasklet" into 101 * if_ath.c and do the ath_start() call there. Once that's done, 102 * we can kill this. 103 */ 104 extern void ath_start(struct ifnet *ifp); 105 extern void ath_start_task(void *arg, int npending); 106 107 extern void ath_tx_dump(struct ath_softc *sc, struct ath_txq *txq); 108 109 /* 110 * Power state tracking. 111 */ 112 extern void _ath_power_setpower(struct ath_softc *sc, int power_state, const char *file, int line); 113 extern void _ath_power_set_selfgen(struct ath_softc *sc, int power_state, const char *file, int line); 114 extern void _ath_power_set_power_state(struct ath_softc *sc, int power_state, const char *file, int line); 115 extern void _ath_power_restore_power_state(struct ath_softc *sc, const char *file, int line); 116 117 #define ath_power_setpower(sc, ps) _ath_power_setpower(sc, ps, __FILE__, __LINE__) 118 #define ath_power_setselfgen(sc, ps) _ath_power_set_selfgen(sc, ps, __FILE__, __LINE__) 119 #define ath_power_set_power_state(sc, ps) _ath_power_set_power_state(sc, ps, __FILE__, __LINE__) 120 #define ath_power_restore_power_state(sc) _ath_power_restore_power_state(sc, __FILE__, __LINE__) 121 122 /* 123 * Kick the frame TX task. 124 */ 125 static inline void 126 ath_tx_kick(struct ath_softc *sc) 127 { 128 129 /* XXX NULL for now */ 130 } 131 132 /* 133 * Kick the software TX queue task. 134 */ 135 static inline void 136 ath_tx_swq_kick(struct ath_softc *sc) 137 { 138 139 taskqueue_enqueue(sc->sc_tq, &sc->sc_txqtask); 140 } 141 142 #endif 143