2 * Misc utility routines for WL and Apps
3 * This header file housing the define and function prototype use by
4 * both the wl driver, tools & Apps.
6 * Copyright (C) 1999-2010, Broadcom Corporation
8 * Unless you and Broadcom execute a separate written software license
9 * agreement governing use of this software, this software is licensed to you
10 * under the terms of the GNU General Public License version 2 (the "GPL"),
11 * available at http://www.broadcom.com/licenses/GPLv2.php, with the
12 * following added to such license:
14 * As a special exception, the copyright holders of this software give you
15 * permission to link this software with independent modules, and to copy and
16 * distribute the resulting executable under terms of your choice, provided that
17 * you also meet, for each linked independent module, the terms and conditions of
18 * the license of that module. An independent module is a module which is not
19 * derived from this software. The special exception does not apply to any
20 * modifications of the software.
22 * Notwithstanding the above, under no circumstances may you combine this
23 * software in any way with any other Broadcom software provided under a license
24 * other than the GPL, without Broadcom's express prior written consent.
25 * $Id: bcmwifi.h,v 1.15.30.4 2010/03/10 20:10:52 Exp $
34 typedef uint16 chanspec_t;
37 #define CH_UPPER_SB 0x01
38 #define CH_LOWER_SB 0x02
39 #define CH_EWA_VALID 0x04
40 #define CH_20MHZ_APART 4
41 #define CH_10MHZ_APART 2
42 #define CH_5MHZ_APART 1
43 #define CH_MAX_2G_CHANNEL 14
44 #define WLC_MAX_2G_CHANNEL CH_MAX_2G_CHANNEL
45 #define MAXCHANNEL 224
47 #define WL_CHANSPEC_CHAN_MASK 0x00ff
48 #define WL_CHANSPEC_CHAN_SHIFT 0
50 #define WL_CHANSPEC_CTL_SB_MASK 0x0300
51 #define WL_CHANSPEC_CTL_SB_SHIFT 8
52 #define WL_CHANSPEC_CTL_SB_LOWER 0x0100
53 #define WL_CHANSPEC_CTL_SB_UPPER 0x0200
54 #define WL_CHANSPEC_CTL_SB_NONE 0x0300
56 #define WL_CHANSPEC_BW_MASK 0x0C00
57 #define WL_CHANSPEC_BW_SHIFT 10
58 #define WL_CHANSPEC_BW_10 0x0400
59 #define WL_CHANSPEC_BW_20 0x0800
60 #define WL_CHANSPEC_BW_40 0x0C00
62 #define WL_CHANSPEC_BAND_MASK 0xf000
63 #define WL_CHANSPEC_BAND_SHIFT 12
64 #define WL_CHANSPEC_BAND_5G 0x1000
65 #define WL_CHANSPEC_BAND_2G 0x2000
66 #define INVCHANSPEC 255
69 #define WF_CHAN_FACTOR_2_4_G 4814
70 #define WF_CHAN_FACTOR_5_G 10000
71 #define WF_CHAN_FACTOR_4_G 8000
74 #define LOWER_20_SB(channel) ((channel > CH_10MHZ_APART) ? (channel - CH_10MHZ_APART) : 0)
75 #define UPPER_20_SB(channel) ((channel < (MAXCHANNEL - CH_10MHZ_APART)) ? \
76 (channel + CH_10MHZ_APART) : 0)
77 #define CHSPEC_WLCBANDUNIT(chspec) (CHSPEC_IS5G(chspec) ? BAND_5G_INDEX : BAND_2G_INDEX)
78 #define CH20MHZ_CHSPEC(channel) (chanspec_t)((chanspec_t)(channel) | WL_CHANSPEC_BW_20 | \
79 WL_CHANSPEC_CTL_SB_NONE | (((channel) <= CH_MAX_2G_CHANNEL) ? \
80 WL_CHANSPEC_BAND_2G : WL_CHANSPEC_BAND_5G))
81 #define NEXT_20MHZ_CHAN(channel) ((channel < (MAXCHANNEL - CH_20MHZ_APART)) ? \
82 (channel + CH_20MHZ_APART) : 0)
83 #define CH40MHZ_CHSPEC(channel, ctlsb) (chanspec_t) \
84 ((channel) | (ctlsb) | WL_CHANSPEC_BW_40 | \
85 ((channel) <= CH_MAX_2G_CHANNEL ? WL_CHANSPEC_BAND_2G : \
87 #define CHSPEC_CHANNEL(chspec) ((uint8)(chspec & WL_CHANSPEC_CHAN_MASK))
88 #define CHSPEC_BAND(chspec) (chspec & WL_CHANSPEC_BAND_MASK)
92 #define CHSPEC_CTL_SB(chspec) WL_CHANSPEC_CTL_SB_NONE
93 #define CHSPEC_BW(chspec) WL_CHANSPEC_BW_20
94 #define CHSPEC_IS10(chspec) 0
95 #define CHSPEC_IS20(chspec) 1
97 #define CHSPEC_IS40(chspec) 0
102 #define CHSPEC_CTL_SB(chspec) (chspec & WL_CHANSPEC_CTL_SB_MASK)
103 #define CHSPEC_BW(chspec) (chspec & WL_CHANSPEC_BW_MASK)
104 #define CHSPEC_IS10(chspec) ((chspec & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_10)
105 #define CHSPEC_IS20(chspec) ((chspec & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_20)
107 #define CHSPEC_IS40(chspec) (((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_40)
112 #define CHSPEC_IS5G(chspec) ((chspec & WL_CHANSPEC_BAND_MASK) == WL_CHANSPEC_BAND_5G)
113 #define CHSPEC_IS2G(chspec) ((chspec & WL_CHANSPEC_BAND_MASK) == WL_CHANSPEC_BAND_2G)
114 #define CHSPEC_SB_NONE(chspec) ((chspec & WL_CHANSPEC_CTL_SB_MASK) == WL_CHANSPEC_CTL_SB_NONE)
115 #define CHSPEC_SB_UPPER(chspec) ((chspec & WL_CHANSPEC_CTL_SB_MASK) == WL_CHANSPEC_CTL_SB_UPPER)
116 #define CHSPEC_SB_LOWER(chspec) ((chspec & WL_CHANSPEC_CTL_SB_MASK) == WL_CHANSPEC_CTL_SB_LOWER)
117 #define CHSPEC_CTL_CHAN(chspec) ((CHSPEC_SB_LOWER(chspec)) ? \
118 (LOWER_20_SB(((chspec) & WL_CHANSPEC_CHAN_MASK))) : \
119 (UPPER_20_SB(((chspec) & WL_CHANSPEC_CHAN_MASK))))
121 #define CHSPEC2WLC_BAND(chspec) (CHSPEC_IS5G((chspec))? WLC_BAND_5G: WLC_BAND_2G)
123 #define CHANSPEC_STR_LEN 8
126 #define WLC_MAXRATE 108
127 #define WLC_RATE_1M 2
128 #define WLC_RATE_2M 4
129 #define WLC_RATE_5M5 11
130 #define WLC_RATE_11M 22
131 #define WLC_RATE_6M 12
132 #define WLC_RATE_9M 18
133 #define WLC_RATE_12M 24
134 #define WLC_RATE_18M 36
135 #define WLC_RATE_24M 48
136 #define WLC_RATE_36M 72
137 #define WLC_RATE_48M 96
138 #define WLC_RATE_54M 108
140 #define WLC_2G_25MHZ_OFFSET 5
143 extern char * wf_chspec_ntoa(chanspec_t chspec, char *buf);
146 extern chanspec_t wf_chspec_aton(char *a);
149 extern int wf_mhz2channel(uint freq, uint start_factor);
152 extern int wf_channel2mhz(uint channel, uint start_factor);