1 /*- 2 * Copyright (c) 2015 Adrian Chadd <adrian@FreeBSD.org> 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 #ifndef __IF_ATH_DESCDMA_H__ 30 #define __IF_ATH_DESCDMA_H__ 31 32 extern int ath_descdma_alloc_desc(struct ath_softc *sc, 33 struct ath_descdma *dd, ath_bufhead *head, const char *name, 34 int ds_size, int ndesc); 35 extern int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd, 36 ath_bufhead *head, const char *name, int ds_size, int nbuf, 37 int ndesc); 38 extern int ath_descdma_setup_rx_edma(struct ath_softc *sc, 39 struct ath_descdma *dd, ath_bufhead *head, const char *name, 40 int nbuf, int desclen); 41 extern void ath_descdma_cleanup(struct ath_softc *sc, 42 struct ath_descdma *dd, ath_bufhead *head); 43 44 #endif 45