if_ath_misc.h revision 241559
1218065Sadrian/*- 2218065Sadrian * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 3218065Sadrian * All rights reserved. 4218065Sadrian * 5218065Sadrian * Redistribution and use in source and binary forms, with or without 6218065Sadrian * modification, are permitted provided that the following conditions 7218065Sadrian * are met: 8218065Sadrian * 1. Redistributions of source code must retain the above copyright 9218065Sadrian * notice, this list of conditions and the following disclaimer, 10218065Sadrian * without modification. 11218065Sadrian * 2. Redistributions in binary form must reproduce at minimum a disclaimer 12218065Sadrian * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any 13218065Sadrian * redistribution must be conditioned upon including a substantially 14218065Sadrian * similar Disclaimer requirement for further binary redistribution. 15218065Sadrian * 16218065Sadrian * NO WARRANTY 17218065Sadrian * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18218065Sadrian * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19218065Sadrian * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY 20218065Sadrian * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 21218065Sadrian * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, 22218065Sadrian * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23218065Sadrian * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24218065Sadrian * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 25218065Sadrian * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26218065Sadrian * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 27218065Sadrian * THE POSSIBILITY OF SUCH DAMAGES. 28218065Sadrian * 29218065Sadrian * $FreeBSD: head/sys/dev/ath/if_ath_misc.h 241559 2012-10-14 20:44:08Z adrian $ 30218065Sadrian */ 31218065Sadrian#ifndef __IF_ATH_MISC_H__ 32218065Sadrian#define __IF_ATH_MISC_H__ 33218065Sadrian 34218065Sadrian/* 35218065Sadrian * This is where definitions for "public things" in if_ath.c 36218065Sadrian * will go for the time being. 37218065Sadrian * 38218065Sadrian * Anything in here should eventually be moved out of if_ath.c 39218065Sadrian * and into something else. 40218065Sadrian */ 41218065Sadrian 42218065Sadrian/* unaligned little endian access */ 43218065Sadrian#define LE_READ_2(p) \ 44218065Sadrian ((u_int16_t) \ 45218065Sadrian ((((u_int8_t *)(p))[0] ) | (((u_int8_t *)(p))[1] << 8))) 46218065Sadrian#define LE_READ_4(p) \ 47218065Sadrian ((u_int32_t) \ 48218065Sadrian ((((u_int8_t *)(p))[0] ) | (((u_int8_t *)(p))[1] << 8) | \ 49218065Sadrian (((u_int8_t *)(p))[2] << 16) | (((u_int8_t *)(p))[3] << 24))) 50218065Sadrian 51238284Sadrianextern int ath_rxbuf; 52238284Sadrianextern int ath_txbuf; 53238284Sadrianextern int ath_txbuf_mgmt; 54238284Sadrian 55218065Sadrianextern int ath_tx_findrix(const struct ath_softc *sc, uint8_t rate); 56218065Sadrian 57237000Sadrianextern struct ath_buf * ath_getbuf(struct ath_softc *sc, 58237000Sadrian ath_buf_type_t btype); 59237000Sadrianextern struct ath_buf * _ath_getbuf_locked(struct ath_softc *sc, 60237000Sadrian ath_buf_type_t btype); 61227359Sadrianextern struct ath_buf * ath_buf_clone(struct ath_softc *sc, 62227359Sadrian const struct ath_buf *bf); 63237000Sadrian/* XXX change this to NULL the buffer pointer? */ 64227361Sadrianextern void ath_freebuf(struct ath_softc *sc, struct ath_buf *bf); 65236993Sadrianextern void ath_returnbuf_head(struct ath_softc *sc, struct ath_buf *bf); 66236993Sadrianextern void ath_returnbuf_tail(struct ath_softc *sc, struct ath_buf *bf); 67218065Sadrian 68227353Sadrianextern int ath_reset(struct ifnet *, ATH_RESET_TYPE); 69227361Sadrianextern void ath_tx_default_comp(struct ath_softc *sc, struct ath_buf *bf, 70227361Sadrian int fail); 71227364Sadrianextern void ath_tx_update_ratectrl(struct ath_softc *sc, 72227364Sadrian struct ieee80211_node *ni, struct ath_rc_series *rc, 73227364Sadrian struct ath_tx_status *ts, int frmlen, int nframes, int nbad); 74219180Sadrian 75227361Sadrianextern void ath_tx_freebuf(struct ath_softc *sc, struct ath_buf *bf, 76227361Sadrian int status); 77227361Sadrian 78235680Sadrianextern void ath_txqmove(struct ath_txq *dst, struct ath_txq *src); 79235680Sadrian 80235676Sadrianextern void ath_mode_init(struct ath_softc *sc); 81235676Sadrian 82235676Sadrianextern void ath_setdefantenna(struct ath_softc *sc, u_int antenna); 83235676Sadrian 84235680Sadrianextern void ath_setslottime(struct ath_softc *sc); 85235680Sadrian 86238822Sadrianextern int ath_descdma_alloc_desc(struct ath_softc *sc, 87238822Sadrian struct ath_descdma *dd, ath_bufhead *head, const char *name, 88238824Sadrian int ds_size, int ndesc); 89238284Sadrianextern int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd, 90238729Sadrian ath_bufhead *head, const char *name, int ds_size, int nbuf, 91238729Sadrian int ndesc); 92238432Sadrianextern int ath_descdma_setup_rx_edma(struct ath_softc *sc, 93238432Sadrian struct ath_descdma *dd, ath_bufhead *head, const char *name, 94238432Sadrian int nbuf, int desclen); 95238284Sadrianextern void ath_descdma_cleanup(struct ath_softc *sc, 96238284Sadrian struct ath_descdma *dd, ath_bufhead *head); 97238284Sadrian 98238931Sadrianextern void ath_legacy_attach_comp_func(struct ath_softc *sc); 99239204Sadrian 100239205Sadrianextern void ath_tx_draintxq(struct ath_softc *sc, struct ath_txq *txq); 101239205Sadrian 102239204Sadrianextern void ath_legacy_tx_drain(struct ath_softc *sc, 103239204Sadrian ATH_RESET_TYPE reset_type); 104238931Sadrian 105239262Sadrianextern void ath_tx_process_buf_completion(struct ath_softc *sc, 106239262Sadrian struct ath_txq *txq, struct ath_tx_status *ts, struct ath_buf *bf); 107239262Sadrian 108239262Sadrianextern int ath_stoptxdma(struct ath_softc *sc); 109239262Sadrian 110235676Sadrian/* 111235676Sadrian * This is only here so that the RX proc function can call it. 112235676Sadrian * It's very likely that the "start TX after RX" call should be 113235676Sadrian * done via something in if_ath.c, moving "rx tasklet" into 114235676Sadrian * if_ath.c and do the ath_start() call there. Once that's done, 115235676Sadrian * we can kill this. 116235676Sadrian */ 117235676Sadrianextern void ath_start(struct ifnet *ifp); 118241559Sadrianextern void ath_start_task(void *arg, int npending); 119235676Sadrian 120236597Sadrianstatic inline void 121236597Sadrianath_tx_kick(struct ath_softc *sc) 122236597Sadrian{ 123235680Sadrian 124241559Sadrian taskqueue_enqueue(sc->sc_tq, &sc->sc_txsndtask); 125236597Sadrian} 126236597Sadrian 127218065Sadrian#endif 128