1 /*-
2 * SPDX-License-Identifier: ISC
3 *
4 * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting
5 * Copyright (c) 2002-2004 Atheros Communications, Inc.
6 *
7 * Permission to use, copy, modify, and/or distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 */
19 #include "opt_ah.h"
20
21 #include "ah.h"
22 #include "ah_internal.h"
23
24 #include "ar5210/ar5210.h"
25
26 /* shorthands to compact tables for readability */
27 #define OFDM IEEE80211_T_OFDM
28 #define TURBO IEEE80211_T_TURBO
29
30 HAL_RATE_TABLE ar5210_11a_table = {
31 8, /* number of rates */
32 { 0 },
33 {
34 /* short ctrl */
35 /* valid rateCode Preamble dot11Rate Rate */
36 /* 6 Mb */ { AH_TRUE, OFDM, 6000, 0x0b, 0x00, (0x80|12), 0 },
37 /* 9 Mb */ { AH_TRUE, OFDM, 9000, 0x0f, 0x00, 18, 0 },
38 /* 12 Mb */ { AH_TRUE, OFDM, 12000, 0x0a, 0x00, (0x80|24), 2 },
39 /* 18 Mb */ { AH_TRUE, OFDM, 18000, 0x0e, 0x00, 36, 2 },
40 /* 24 Mb */ { AH_TRUE, OFDM, 24000, 0x09, 0x00, (0x80|48), 4 },
41 /* 36 Mb */ { AH_TRUE, OFDM, 36000, 0x0d, 0x00, 72, 4 },
42 /* 48 Mb */ { AH_TRUE, OFDM, 48000, 0x08, 0x00, 96, 4 },
43 /* 54 Mb */ { AH_TRUE, OFDM, 54000, 0x0c, 0x00, 108, 4 }
44 },
45 };
46
47 HAL_RATE_TABLE ar5210_turbo_table = {
48 8, /* number of rates */
49 { 0 },
50 {
51 /* short ctrl */
52 /* valid rateCode Preamble dot11Rate Rate */
53 /* 6 Mb */ { AH_TRUE, TURBO, 12000, 0x0b, 0x00, (0x80|12), 0 },
54 /* 9 Mb */ { AH_TRUE, TURBO, 18000, 0x0f, 0x00, 18, 0 },
55 /* 12 Mb */ { AH_TRUE, TURBO, 24000, 0x0a, 0x00, (0x80|24), 2 },
56 /* 18 Mb */ { AH_TRUE, TURBO, 36000, 0x0e, 0x00, 36, 2 },
57 /* 24 Mb */ { AH_TRUE, TURBO, 48000, 0x09, 0x00, (0x80|48), 4 },
58 /* 36 Mb */ { AH_TRUE, TURBO, 72000, 0x0d, 0x00, 72, 4 },
59 /* 48 Mb */ { AH_TRUE, TURBO, 96000, 0x08, 0x00, 96, 4 },
60 /* 54 Mb */ { AH_TRUE, TURBO, 108000, 0x0c, 0x00, 108, 4 }
61 },
62 };
63
64 #undef OFDM
65 #undef TURBO
66
67 const HAL_RATE_TABLE *
ar5210GetRateTable(struct ath_hal * ah,u_int mode)68 ar5210GetRateTable(struct ath_hal *ah, u_int mode)
69 {
70 HAL_RATE_TABLE *rt;
71 switch (mode) {
72 case HAL_MODE_11A:
73 rt = &ar5210_11a_table;
74 break;
75 case HAL_MODE_TURBO:
76 rt = &ar5210_turbo_table;
77 break;
78 default:
79 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid mode 0x%x\n",
80 __func__, mode);
81 return AH_NULL;
82 }
83 ath_hal_setupratetable(ah, rt);
84 return rt;
85 }
86