1 | /* |
2 | * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting |
3 | * Copyright (c) 2002-2008 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 | * $Id: ar5416_phy.c,v 1.2 2008/12/11 05:30:29 alc Exp $ |
18 | */ |
19 | #include "opt_ah.h" |
20 | |
21 | #include "ah.h" |
22 | #include "ah_internal.h" |
23 | |
24 | #include "ar5416/ar5416.h" |
25 | |
26 | /* shorthands to compact tables for readability */ |
27 | #define OFDM IEEE80211_T_OFDM |
28 | #define CCK IEEE80211_T_CCK |
29 | #define HT IEEE80211_T_HT |
30 | |
31 | HAL_RATE_TABLE ar5416_11ng_table = { |
32 | 28, /* number of rates */ |
33 | { 0 }, |
34 | { |
35 | /* short ctrl */ |
36 | /* valid rateCode Preamble dot11Rate Rate */ |
37 | /* 1 Mb */ { AH_TRUE, CCK, 1000, 0x1b, 0x00, (0x80| 2), 0, 0, 0 }, |
38 | /* 2 Mb */ { AH_TRUE, CCK, 2000, 0x1a, 0x04, (0x80| 4), 1, 0, 0 }, |
39 | /* 5.5 Mb */ { AH_TRUE, CCK, 5500, 0x19, 0x04, (0x80|11), 2, 0, 0 }, |
40 | /* 11 Mb */ { AH_TRUE, CCK, 11000, 0x18, 0x04, (0x80|22), 3, 0, 0 }, |
41 | /* Remove rates 6, 9 from rate ctrl */ |
42 | /* 6 Mb */ { AH_FALSE, OFDM, 6000, 0x0b, 0x00, 12, 4, 0, 0 }, |
43 | /* 9 Mb */ { AH_FALSE, OFDM, 9000, 0x0f, 0x00, 18, 4, 0, 0 }, |
44 | /* 12 Mb */ { AH_TRUE, OFDM, 12000, 0x0a, 0x00, 24, 6, 0, 0 }, |
45 | /* 18 Mb */ { AH_TRUE, OFDM, 18000, 0x0e, 0x00, 36, 6, 0, 0 }, |
46 | /* 24 Mb */ { AH_TRUE, OFDM, 24000, 0x09, 0x00, 48, 8, 0, 0 }, |
47 | /* 36 Mb */ { AH_TRUE, OFDM, 36000, 0x0d, 0x00, 72, 8, 0, 0 }, |
48 | /* 48 Mb */ { AH_TRUE, OFDM, 48000, 0x08, 0x00, 96, 8, 0, 0 }, |
49 | /* 54 Mb */ { AH_TRUE, OFDM, 54000, 0x0c, 0x00, 108, 8, 0, 0 }, |
50 | /* 6.5 Mb */ { AH_TRUE, HT, 6500, 0x80, 0x00, 0, 8, 0, 0 }, |
51 | /* 13 Mb */ { AH_TRUE, HT, 13000, 0x81, 0x00, 1, 8, 0, 0 }, |
52 | /*19.5 Mb */ { AH_TRUE, HT, 19500, 0x82, 0x00, 2, 8, 0, 0 }, |
53 | /* 26 Mb */ { AH_TRUE, HT, 26000, 0x83, 0x00, 3, 8, 0, 0 }, |
54 | /* 39 Mb */ { AH_TRUE, HT, 39000, 0x84, 0x00, 4, 8, 0, 0 }, |
55 | /* 52 Mb */ { AH_TRUE, HT, 52000, 0x85, 0x00, 5, 8, 0, 0 }, |
56 | /*58.5 Mb */ { AH_TRUE, HT, 58500, 0x86, 0x00, 6, 8, 0, 0 }, |
57 | /* 65 Mb */ { AH_TRUE, HT, 65000, 0x87, 0x00, 7, 8, 0, 0 }, |
58 | /* 13 Mb */ { AH_TRUE, HT, 13000, 0x88, 0x00, 8, 8, 0, 0 }, |
59 | /* 26 Mb */ { AH_TRUE, HT, 26000, 0x89, 0x00, 9, 8, 0, 0 }, |
60 | /* 39 Mb */ { AH_TRUE, HT, 39000, 0x8a, 0x00, 10, 8, 0, 0 }, |
61 | /* 52 Mb */ { AH_TRUE, HT, 52000, 0x8b, 0x00, 11, 8, 0, 0 }, |
62 | /* 78 Mb */ { AH_TRUE, HT, 78000, 0x8c, 0x00, 12, 8, 0, 0 }, |
63 | /* 104 Mb */ { AH_TRUE, HT, 104000, 0x8d, 0x00, 13, 8, 0, 0 }, |
64 | /* 117 Mb */ { AH_TRUE, HT, 117000, 0x8e, 0x00, 14, 8, 0, 0 }, |
65 | /* 130 Mb */ { AH_TRUE, HT, 130000, 0x8f, 0x00, 15, 8, 0, 0 }, |
66 | }, |
67 | }; |
68 | |
69 | static HAL_RATE_TABLE ar5416_11na_table = { |
70 | 24, /* number of rates */ |
71 | { 0 }, |
72 | { |
73 | /* short ctrl */ |
74 | /* valid rateCode Preamble dot11Rate Rate */ |
75 | /* 6 Mb */ { AH_TRUE, OFDM, 6000, 0x0b, 0x00, (0x80|12), 0, 0, 0 }, |
76 | /* 9 Mb */ { AH_TRUE, OFDM, 9000, 0x0f, 0x00, 18, 0, 0, 0 }, |
77 | /* 12 Mb */ { AH_TRUE, OFDM, 12000, 0x0a, 0x00, (0x80|24), 2, 0, 0 }, |
78 | /* 18 Mb */ { AH_TRUE, OFDM, 18000, 0x0e, 0x00, 36, 2, 0, 0 }, |
79 | /* 24 Mb */ { AH_TRUE, OFDM, 24000, 0x09, 0x00, (0x80|48), 4, 0, 0 }, |
80 | /* 36 Mb */ { AH_TRUE, OFDM, 36000, 0x0d, 0x00, 72, 8, 0, 0 }, |
81 | /* 48 Mb */ { AH_TRUE, OFDM, 48000, 0x08, 0x00, 96, 8, 0, 0 }, |
82 | /* 54 Mb */ { AH_TRUE, OFDM, 54000, 0x0c, 0x00, 108, 8, 0, 0 }, |
83 | /* 6.5 Mb */ { AH_TRUE, HT, 6500, 0x80, 0x00, 0, 8, 0, 0 }, |
84 | /* 13 Mb */ { AH_TRUE, HT, 13000, 0x81, 0x00, 1, 8, 0, 0 }, |
85 | /*19.5 Mb */ { AH_TRUE, HT, 19500, 0x82, 0x00, 2, 8, 0, 0 }, |
86 | /* 26 Mb */ { AH_TRUE, HT, 26000, 0x83, 0x00, 3, 8, 0, 0 }, |
87 | /* 39 Mb */ { AH_TRUE, HT, 39000, 0x84, 0x00, 4, 8, 0, 0 }, |
88 | /* 52 Mb */ { AH_TRUE, HT, 52000, 0x85, 0x00, 5, 8, 0, 0 }, |
89 | /*58.5 Mb */ { AH_TRUE, HT, 58500, 0x86, 0x00, 6, 8, 0, 0 }, |
90 | /* 65 Mb */ { AH_TRUE, HT, 65000, 0x87, 0x00, 7, 8, 0, 0 }, |
91 | /* 13 Mb */ { AH_TRUE, HT, 13000, 0x88, 0x00, 8, 8, 0, 0 }, |
92 | /* 26 Mb */ { AH_TRUE, HT, 26000, 0x89, 0x00, 9, 8, 0, 0 }, |
93 | /* 39 Mb */ { AH_TRUE, HT, 39000, 0x8a, 0x00, 10, 8, 0, 0 }, |
94 | /* 52 Mb */ { AH_TRUE, HT, 52000, 0x8b, 0x00, 11, 8, 0, 0 }, |
95 | /* 78 Mb */ { AH_TRUE, HT, 78000, 0x8c, 0x00, 12, 8, 0, 0 }, |
96 | /* 104 Mb */ { AH_TRUE, HT, 104000, 0x8d, 0x00, 13, 8, 0, 0 }, |
97 | /* 117 Mb */ { AH_TRUE, HT, 117000, 0x8e, 0x00, 14, 8, 0, 0 }, |
98 | /* 130 Mb */ { AH_TRUE, HT, 130000, 0x8f, 0x00, 15, 8, 0, 0 }, |
99 | }, |
100 | }; |
101 | |
102 | #undef OFDM |
103 | #undef CCK |
104 | #undef HT |
105 | |
106 | const HAL_RATE_TABLE * |
107 | ar5416GetRateTable(struct ath_hal *ah, u_int mode) |
108 | { |
109 | HAL_RATE_TABLE *rt; |
110 | switch (mode) { |
111 | case HAL_MODE_11NG_HT20: |
112 | case HAL_MODE_11NG_HT40PLUS: |
113 | case HAL_MODE_11NG_HT40MINUS: |
114 | rt = &ar5416_11ng_table; |
115 | break; |
116 | case HAL_MODE_11NA_HT20: |
117 | case HAL_MODE_11NA_HT40PLUS: |
118 | case HAL_MODE_11NA_HT40MINUS: |
119 | rt = &ar5416_11na_table; |
120 | break; |
121 | default: |
122 | return ar5212GetRateTable(ah, mode); |
123 | } |
124 | ath_hal_setupratetable(ah, rt); |
125 | return rt; |
126 | } |
127 | |