xref: /freebsd/sys/dev/ath/if_ath_misc.h (revision e346b0732c463424b630ae0646047da0e4180c59)
1b8e788a5SAdrian Chadd /*-
2b8e788a5SAdrian Chadd  * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
3b8e788a5SAdrian Chadd  * All rights reserved.
4b8e788a5SAdrian Chadd  *
5b8e788a5SAdrian Chadd  * Redistribution and use in source and binary forms, with or without
6b8e788a5SAdrian Chadd  * modification, are permitted provided that the following conditions
7b8e788a5SAdrian Chadd  * are met:
8b8e788a5SAdrian Chadd  * 1. Redistributions of source code must retain the above copyright
9b8e788a5SAdrian Chadd  *    notice, this list of conditions and the following disclaimer,
10b8e788a5SAdrian Chadd  *    without modification.
11b8e788a5SAdrian Chadd  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
12b8e788a5SAdrian Chadd  *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
13b8e788a5SAdrian Chadd  *    redistribution must be conditioned upon including a substantially
14b8e788a5SAdrian Chadd  *    similar Disclaimer requirement for further binary redistribution.
15b8e788a5SAdrian Chadd  *
16b8e788a5SAdrian Chadd  * NO WARRANTY
17b8e788a5SAdrian Chadd  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18b8e788a5SAdrian Chadd  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19b8e788a5SAdrian Chadd  * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
20b8e788a5SAdrian Chadd  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
21b8e788a5SAdrian Chadd  * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
22b8e788a5SAdrian Chadd  * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23b8e788a5SAdrian Chadd  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24b8e788a5SAdrian Chadd  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
25b8e788a5SAdrian Chadd  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26b8e788a5SAdrian Chadd  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
27b8e788a5SAdrian Chadd  * THE POSSIBILITY OF SUCH DAMAGES.
28b8e788a5SAdrian Chadd  *
29b8e788a5SAdrian Chadd  * $FreeBSD$
30b8e788a5SAdrian Chadd  */
31b8e788a5SAdrian Chadd #ifndef	__IF_ATH_MISC_H__
32b8e788a5SAdrian Chadd #define	__IF_ATH_MISC_H__
33b8e788a5SAdrian Chadd 
34b8e788a5SAdrian Chadd /*
35b8e788a5SAdrian Chadd  * This is where definitions for "public things" in if_ath.c
36b8e788a5SAdrian Chadd  * will go for the time being.
37b8e788a5SAdrian Chadd  *
38b8e788a5SAdrian Chadd  * Anything in here should eventually be moved out of if_ath.c
39b8e788a5SAdrian Chadd  * and into something else.
40b8e788a5SAdrian Chadd  */
41b8e788a5SAdrian Chadd 
42b8e788a5SAdrian Chadd /* unaligned little endian access */
43b8e788a5SAdrian Chadd #define LE_READ_2(p)							\
44b8e788a5SAdrian Chadd 	((u_int16_t)							\
45b8e788a5SAdrian Chadd 	 ((((u_int8_t *)(p))[0]      ) | (((u_int8_t *)(p))[1] <<  8)))
46b8e788a5SAdrian Chadd #define LE_READ_4(p)							\
47b8e788a5SAdrian Chadd 	((u_int32_t)							\
48b8e788a5SAdrian Chadd 	 ((((u_int8_t *)(p))[0]      ) | (((u_int8_t *)(p))[1] <<  8) |	\
49b8e788a5SAdrian Chadd 	  (((u_int8_t *)(p))[2] << 16) | (((u_int8_t *)(p))[3] << 24)))
50b8e788a5SAdrian Chadd 
51b8e788a5SAdrian Chadd extern int ath_tx_findrix(const struct ath_softc *sc, uint8_t rate);
52b8e788a5SAdrian Chadd 
53b8e788a5SAdrian Chadd extern struct ath_buf * ath_getbuf(struct ath_softc *sc);
54b8e788a5SAdrian Chadd extern struct ath_buf * _ath_getbuf_locked(struct ath_softc *sc);
55*e346b073SAdrian Chadd extern struct ath_buf * ath_buf_clone(struct ath_softc *sc,
56*e346b073SAdrian Chadd 	    const struct ath_buf *bf);
57b8e788a5SAdrian Chadd 
58517526efSAdrian Chadd extern int ath_reset(struct ifnet *, ATH_RESET_TYPE);
596079fdbeSAdrian Chadd 
60b8e788a5SAdrian Chadd #endif
61