/*- * 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. * * $FreeBSD$ */ #ifndef __IF_ATH_TX_H__ #define __IF_ATH_TX_H__ /* * How 'busy' to try and keep the hardware txq */ #define ATH_AGGR_MIN_QDEPTH 2 /* * Watermark for scheduling TIDs in order to maximise aggregation. * * If hwq_depth is greater than this, don't schedule the TID * for packet scheduling - the hardware is already busy servicing * this TID. * * If hwq_depth is less than this, schedule the TID for packet * scheduling in the completion handler. */ #define ATH_AGGR_SCHED_HIGH 4 #define ATH_AGGR_SCHED_LOW 2 extern void ath_freetx(struct mbuf *m); extern void ath_txfrag_cleanup(struct ath_softc *sc, ath_bufhead *frags, struct ieee80211_node *ni); extern int ath_txfrag_setup(struct ath_softc *sc, ath_bufhead *frags, struct mbuf *m0, struct ieee80211_node *ni); extern int ath_tx_start(struct ath_softc *sc, struct ieee80211_node *ni, struct ath_buf *bf, struct mbuf *m0); extern int ath_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, const struct ieee80211_bpf_params *params); #endif