2 * Copyright (c) 2004 INRIA
3 * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer,
11 * without modification.
12 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
13 * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
14 * redistribution must be conditioned upon including a substantially
15 * similar Disclaimer requirement for further binary redistribution.
16 * 3. Neither the names of the above-listed copyright holders nor the names
17 * of any contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
20 * Alternatively, this software may be distributed under the terms of the
21 * GNU General Public License ("GPL") version 2 as published by the Free
22 * Software Foundation.
25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
28 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
29 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
30 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
33 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
35 * THE POSSIBILITY OF SUCH DAMAGES.
37 * $FreeBSD: src/sys/dev/ath/ath_rate/amrr/amrr.h,v 1.2 2004/12/31 22:41:45 sam Exp $
38 * $DragonFly: src/sys/dev/netif/ath/rate_amrr/amrr.h,v 1.1 2006/07/13 09:15:22 sephe Exp $
41 #ifndef _DEV_ATH_RATE_AMRR_H
42 #define _DEV_ATH_RATE_AMRR_H
44 /* per-device state */
46 struct ath_ratectrl arc; /* base state */
47 struct callout timer; /* periodic timer */
52 /* AMRR statistics for this node */
53 u_int amn_tx_try0_cnt;
54 u_int amn_tx_try1_cnt;
55 u_int amn_tx_try2_cnt;
56 u_int amn_tx_try3_cnt;
57 u_int amn_tx_failure_cnt;
58 /* AMRR algorithm state for this node */
59 u_int amn_success_threshold;
62 /* rate index et al. */
63 uint8_t amn_tx_rix0; /* series 0 rate index */
64 uint8_t amn_tx_rate0; /* series 0 h/w rate */
65 uint8_t amn_tx_rate1; /* series 1 h/w rate */
66 uint8_t amn_tx_rate2; /* series 2 h/w rate */
67 uint8_t amn_tx_rate3; /* series 3 h/w rate */
68 uint8_t amn_tx_rate0sp; /* series 0 short preamble h/w rate */
69 uint8_t amn_tx_rate1sp; /* series 1 short preamble h/w rate */
70 uint8_t amn_tx_rate2sp; /* series 2 short preamble h/w rate */
71 uint8_t amn_tx_rate3sp; /* series 3 short preamble h/w rate */
72 uint8_t amn_tx_try0; /* series 0 try count */
73 u_int amn_tx_try1; /* series 1 try count */
74 u_int amn_tx_try2; /* series 2 try count */
75 u_int amn_tx_try3; /* series 3 try count */
77 #define ATH_NODE_AMRR(an) ((struct amrr_node *)&an[1])
78 #endif /* _DEV_ATH_RATE_AMRR_H */