1 /*- 2 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 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 * $FreeBSD$ 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 /* unaligned little endian access */ 43 #define LE_READ_2(p) \ 44 ((u_int16_t) \ 45 ((((u_int8_t *)(p))[0] ) | (((u_int8_t *)(p))[1] << 8))) 46 #define LE_READ_4(p) \ 47 ((u_int32_t) \ 48 ((((u_int8_t *)(p))[0] ) | (((u_int8_t *)(p))[1] << 8) | \ 49 (((u_int8_t *)(p))[2] << 16) | (((u_int8_t *)(p))[3] << 24))) 50 51 extern int ath_tx_findrix(const struct ath_softc *sc, uint8_t rate); 52 53 extern struct ath_buf * ath_getbuf(struct ath_softc *sc); 54 extern struct ath_buf * _ath_getbuf_locked(struct ath_softc *sc); 55 56 extern int ath_reset(struct ifnet *); 57 58 #endif 59