/*- * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer, * without modification. * 2. Redistributions in binary form must reproduce at minimum a disclaimer * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any * redistribution must be conditioned upon including a substantially * similar Disclaimer requirement for further binary redistribution. * * NO WARRANTY * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGES. * * $FreeBSD: head/sys/dev/ath/if_ath_misc.h 265205 2014-05-02 00:48:09Z adrian $ */ #ifndef __IF_ATH_MISC_H__ #define __IF_ATH_MISC_H__ /* * This is where definitions for "public things" in if_ath.c * will go for the time being. * * Anything in here should eventually be moved out of if_ath.c * and into something else. */ /* unaligned little endian access */ #define LE_READ_2(p) \ ((u_int16_t) \ ((((u_int8_t *)(p))[0] ) | (((u_int8_t *)(p))[1] << 8))) #define LE_READ_4(p) \ ((u_int32_t) \ ((((u_int8_t *)(p))[0] ) | (((u_int8_t *)(p))[1] << 8) | \ (((u_int8_t *)(p))[2] << 16) | (((u_int8_t *)(p))[3] << 24))) extern int ath_rxbuf; extern int ath_txbuf; extern int ath_txbuf_mgmt; extern int ath_tx_findrix(const struct ath_softc *sc, uint8_t rate); extern struct ath_buf * ath_getbuf(struct ath_softc *sc, ath_buf_type_t btype); extern struct ath_buf * _ath_getbuf_locked(struct ath_softc *sc, ath_buf_type_t btype); extern struct ath_buf * ath_buf_clone(struct ath_softc *sc, struct ath_buf *bf); /* XXX change this to NULL the buffer pointer? */ extern void ath_freebuf(struct ath_softc *sc, struct ath_buf *bf); extern void ath_returnbuf_head(struct ath_softc *sc, struct ath_buf *bf); extern void ath_returnbuf_tail(struct ath_softc *sc, struct ath_buf *bf); extern int ath_reset(struct ifnet *, ATH_RESET_TYPE); extern void ath_tx_default_comp(struct ath_softc *sc, struct ath_buf *bf, int fail); extern void ath_tx_update_ratectrl(struct ath_softc *sc, struct ieee80211_node *ni, struct ath_rc_series *rc, struct ath_tx_status *ts, int frmlen, int nframes, int nbad); extern int ath_hal_gethangstate(struct ath_hal *ah, uint32_t mask, uint32_t *hangs); extern void ath_tx_freebuf(struct ath_softc *sc, struct ath_buf *bf, int status); extern void ath_txq_freeholdingbuf(struct ath_softc *sc, struct ath_txq *txq); extern void ath_txqmove(struct ath_txq *dst, struct ath_txq *src); extern void ath_mode_init(struct ath_softc *sc); extern void ath_setdefantenna(struct ath_softc *sc, u_int antenna); extern void ath_setslottime(struct ath_softc *sc); extern int ath_descdma_alloc_desc(struct ath_softc *sc, struct ath_descdma *dd, ath_bufhead *head, const char *name, int ds_size, int ndesc); extern int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd, ath_bufhead *head, const char *name, int ds_size, int nbuf, int ndesc); extern int ath_descdma_setup_rx_edma(struct ath_softc *sc, struct ath_descdma *dd, ath_bufhead *head, const char *name, int nbuf, int desclen); extern void ath_descdma_cleanup(struct ath_softc *sc, struct ath_descdma *dd, ath_bufhead *head); extern void ath_legacy_attach_comp_func(struct ath_softc *sc); extern void ath_tx_draintxq(struct ath_softc *sc, struct ath_txq *txq); extern void ath_legacy_tx_drain(struct ath_softc *sc, ATH_RESET_TYPE reset_type); extern void ath_tx_process_buf_completion(struct ath_softc *sc, struct ath_txq *txq, struct ath_tx_status *ts, struct ath_buf *bf); extern int ath_stoptxdma(struct ath_softc *sc); extern void ath_tx_update_tim(struct ath_softc *sc, struct ieee80211_node *ni, int enable); /* * This is only here so that the RX proc function can call it. * It's very likely that the "start TX after RX" call should be * done via something in if_ath.c, moving "rx tasklet" into * if_ath.c and do the ath_start() call there. Once that's done, * we can kill this. */ extern void ath_start(struct ifnet *ifp); extern void ath_start_task(void *arg, int npending); extern void ath_tx_dump(struct ath_softc *sc, struct ath_txq *txq); /* * Power state tracking. */ extern void _ath_power_setpower(struct ath_softc *sc, int power_state, const char *file, int line); extern void _ath_power_set_selfgen(struct ath_softc *sc, int power_state, const char *file, int line); extern void _ath_power_set_power_state(struct ath_softc *sc, int power_state, const char *file, int line); extern void _ath_power_restore_power_state(struct ath_softc *sc, const char *file, int line); #define ath_power_setpower(sc, ps) _ath_power_setpower(sc, ps, __FILE__, __LINE__) #define ath_power_setselfgen(sc, ps) _ath_power_set_selfgen(sc, ps, __FILE__, __LINE__) #define ath_power_set_power_state(sc, ps) _ath_power_set_power_state(sc, ps, __FILE__, __LINE__) #define ath_power_restore_power_state(sc) _ath_power_restore_power_state(sc, __FILE__, __LINE__) /* * Kick the frame TX task. */ static inline void ath_tx_kick(struct ath_softc *sc) { /* XXX NULL for now */ } /* * Kick the software TX queue task. */ static inline void ath_tx_swq_kick(struct ath_softc *sc) { taskqueue_enqueue(sc->sc_tq, &sc->sc_txqtask); } #endif