1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer, 12 * without modification. 13 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 14 * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any 15 * redistribution must be conditioned upon including a substantially 16 * similar Disclaimer requirement for further binary redistribution. 17 * 18 * NO WARRANTY 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY 22 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 23 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, 24 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 27 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 29 * THE POSSIBILITY OF SUCH DAMAGES. 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 HAL_RESET_TYPE ah_reset_type); 61 extern void ath_tx_default_comp(struct ath_softc *sc, struct ath_buf *bf, 62 int fail); 63 extern void ath_tx_update_ratectrl(struct ath_softc *sc, 64 struct ieee80211_node *ni, struct ath_rc_series *rc, 65 struct ath_tx_status *ts, int frmlen, int rc_framelen, 66 int nframes, int nbad); 67 68 extern int ath_hal_gethangstate(struct ath_hal *ah, uint32_t mask, 69 uint32_t *hangs); 70 71 extern void ath_tx_freebuf(struct ath_softc *sc, struct ath_buf *bf, 72 int status); 73 extern void ath_txq_freeholdingbuf(struct ath_softc *sc, 74 struct ath_txq *txq); 75 76 extern void ath_txqmove(struct ath_txq *dst, struct ath_txq *src); 77 78 extern void ath_mode_init(struct ath_softc *sc); 79 80 extern void ath_setdefantenna(struct ath_softc *sc, u_int antenna); 81 82 extern void ath_setslottime(struct ath_softc *sc); 83 84 extern void ath_legacy_attach_comp_func(struct ath_softc *sc); 85 86 extern void ath_tx_draintxq(struct ath_softc *sc, struct ath_txq *txq); 87 88 extern void ath_legacy_tx_drain(struct ath_softc *sc, 89 ATH_RESET_TYPE reset_type); 90 91 extern void ath_tx_process_buf_completion(struct ath_softc *sc, 92 struct ath_txq *txq, struct ath_tx_status *ts, struct ath_buf *bf); 93 94 extern int ath_stoptxdma(struct ath_softc *sc); 95 96 extern void ath_tx_update_tim(struct ath_softc *sc, 97 struct ieee80211_node *ni, int enable); 98 99 /* 100 * This is only here so that the RX proc function can call it. 101 * It's very likely that the "start TX after RX" call should be 102 * done via something in if_ath.c, moving "rx tasklet" into 103 * if_ath.c and do the ath_start() call there. Once that's done, 104 * we can kill this. 105 */ 106 extern void ath_start(if_t ifp); 107 extern void ath_start_task(void *arg, int npending); 108 109 extern void ath_tx_dump(struct ath_softc *sc, struct ath_txq *txq); 110 111 /* 112 * Power state tracking. 113 */ 114 extern void _ath_power_setpower(struct ath_softc *sc, int power_state, 115 int selfgen, const char *file, int line); 116 extern void _ath_power_set_selfgen(struct ath_softc *sc, 117 int power_state, const char *file, int line); 118 extern void _ath_power_set_power_state(struct ath_softc *sc, 119 int power_state, const char *file, int line); 120 extern void _ath_power_restore_power_state(struct ath_softc *sc, 121 const char *file, int line); 122 123 #define ath_power_setpower(sc, ps, sg) _ath_power_setpower(sc, ps, sg, \ 124 __FILE__, __LINE__) 125 #define ath_power_setselfgen(sc, ps) _ath_power_set_selfgen(sc, ps, \ 126 __FILE__, __LINE__) 127 #define ath_power_set_power_state(sc, ps) \ 128 _ath_power_set_power_state(sc, ps, __FILE__, __LINE__) 129 #define ath_power_restore_power_state(sc) \ 130 _ath_power_restore_power_state(sc, __FILE__, __LINE__) 131 132 /* 133 * Kick the frame TX task. 134 */ 135 static inline void 136 ath_tx_kick(struct ath_softc *sc) 137 { 138 139 /* XXX NULL for now */ 140 } 141 142 /* 143 * Kick the software TX queue task. 144 */ 145 static inline void 146 ath_tx_swq_kick(struct ath_softc *sc) 147 { 148 149 taskqueue_enqueue(sc->sc_tq, &sc->sc_txqtask); 150 } 151 152 #endif 153