1/*
2 * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting
3 * Copyright (c) 2002-2006 Atheros Communications, Inc.
4 *
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 *
17 * $FreeBSD$
18 */
19#include "opt_ah.h"
20
21#include "ah.h"
22#include "ah_internal.h"
23
24#include "ar5211/ar5211.h"
25
26/* shorthands to compact tables for readability */
27#define	OFDM	IEEE80211_T_OFDM
28#define	CCK	IEEE80211_T_CCK
29#define	TURBO	IEEE80211_T_TURBO
30
31HAL_RATE_TABLE ar5211_11a_table = {
32	8,  /* number of rates */
33	{ 0 },
34	{
35/*                                                  short            ctrl  */
36/*                valid                 rateCode Preamble  dot11Rate Rate */
37/*   6 Mb */ {  AH_TRUE, OFDM,    6000,     0x0b,    0x00, (0x80|12),   0 },
38/*   9 Mb */ {  AH_TRUE, OFDM,    9000,     0x0f,    0x00,        18,   0 },
39/*  12 Mb */ {  AH_TRUE, OFDM,   12000,     0x0a,    0x00, (0x80|24),   2 },
40/*  18 Mb */ {  AH_TRUE, OFDM,   18000,     0x0e,    0x00,        36,   2 },
41/*  24 Mb */ {  AH_TRUE, OFDM,   24000,     0x09,    0x00, (0x80|48),   4 },
42/*  36 Mb */ {  AH_TRUE, OFDM,   36000,     0x0d,    0x00,        72,   4 },
43/*  48 Mb */ {  AH_TRUE, OFDM,   48000,     0x08,    0x00,        96,   4 },
44/*  54 Mb */ {  AH_TRUE, OFDM,   54000,     0x0c,    0x00,       108,   4 }
45	},
46};
47
48HAL_RATE_TABLE ar5211_turbo_table = {
49	8,  /* number of rates */
50	{ 0 },
51	{
52/*                                                 short            ctrl  */
53/*                valid                rateCode Preamble  dot11Rate Rate */
54/*   6 Mb */ {  AH_TRUE, TURBO,  12000,    0x0b,    0x00, (0x80|12),   0 },
55/*   9 Mb */ {  AH_TRUE, TURBO,  18000,    0x0f,    0x00,        18,   0 },
56/*  12 Mb */ {  AH_TRUE, TURBO,  24000,    0x0a,    0x00, (0x80|24),   2 },
57/*  18 Mb */ {  AH_TRUE, TURBO,  36000,    0x0e,    0x00,        36,   2 },
58/*  24 Mb */ {  AH_TRUE, TURBO,  48000,    0x09,    0x00, (0x80|48),   4 },
59/*  36 Mb */ {  AH_TRUE, TURBO,  72000,    0x0d,    0x00,        72,   4 },
60/*  48 Mb */ {  AH_TRUE, TURBO,  96000,    0x08,    0x00,        96,   4 },
61/*  54 Mb */ {  AH_TRUE, TURBO, 108000,    0x0c,    0x00,       108,   4 }
62	},
63};
64
65HAL_RATE_TABLE ar5211_11b_table = {
66	4,  /* number of rates */
67	{ 0 },
68	{
69/*                                                 short            ctrl  */
70/*                valid                rateCode Preamble  dot11Rate Rate */
71/*   1 Mb */ {  AH_TRUE,  CCK,    1000,    0x0b,    0x00, (0x80| 2),   0 },
72/*   2 Mb */ {  AH_TRUE,  CCK,    2000,    0x0a,    0x04, (0x80| 4),   1 },
73/* 5.5 Mb */ {  AH_TRUE,  CCK,    5500,    0x09,    0x04, (0x80|11),   1 },
74/*  11 Mb */ {  AH_TRUE,  CCK,   11000,    0x08,    0x04, (0x80|22),   1 }
75	},
76};
77
78#undef	OFDM
79#undef	CCK
80#undef	TURBO
81
82
83const HAL_RATE_TABLE *
84ar5211GetRateTable(struct ath_hal *ah, u_int mode)
85{
86	HAL_RATE_TABLE *rt;
87	switch (mode) {
88	case HAL_MODE_11A:
89		rt = &ar5211_11a_table;
90		break;
91	case HAL_MODE_11B:
92		rt = &ar5211_11b_table;
93		break;
94	case HAL_MODE_TURBO:
95		rt =  &ar5211_turbo_table;
96		break;
97	default:
98		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid mode 0x%x\n",
99		    __func__, mode);
100		return AH_NULL;
101	}
102	ath_hal_setupratetable(ah, rt);
103	return rt;
104}
105