diff options
Diffstat (limited to 'drivers/net/wireless/bcmdhd/bcmwifi.c')
| -rw-r--r-- | drivers/net/wireless/bcmdhd/bcmwifi.c | 274 |
1 files changed, 0 insertions, 274 deletions
diff --git a/drivers/net/wireless/bcmdhd/bcmwifi.c b/drivers/net/wireless/bcmdhd/bcmwifi.c deleted file mode 100644 index 7072217..0000000 --- a/drivers/net/wireless/bcmdhd/bcmwifi.c +++ /dev/null @@ -1,274 +0,0 @@ -/* - * Misc utility routines used by kernel or app-level. - * Contents are wifi-specific, used by any kernel or app-level - * software that might want wifi things as it grows. - * - * Copyright (C) 1999-2011, Broadcom Corporation - * - * Unless you and Broadcom execute a separate written software license - * agreement governing use of this software, this software is licensed to you - * under the terms of the GNU General Public License version 2 (the "GPL"), - * available at http://www.broadcom.com/licenses/GPLv2.php, with the - * following added to such license: - * - * As a special exception, the copyright holders of this software give you - * permission to link this software with independent modules, and to copy and - * distribute the resulting executable under terms of your choice, provided that - * you also meet, for each linked independent module, the terms and conditions of - * the license of that module. An independent module is a module which is not - * derived from this software. The special exception does not apply to any - * modifications of the software. - * - * Notwithstanding the above, under no circumstances may you combine this - * software in any way with any other Broadcom software provided under a license - * other than the GPL, without Broadcom's express prior written consent. - * $Id: bcmwifi.c,v 1.31.8.1 2010-08-03 17:47:05 Exp $ - */ - - -#include <typedefs.h> - -#ifdef BCMDRIVER -#include <osl.h> -#include <bcmutils.h> -#define strtoul(nptr, endptr, base) bcm_strtoul((nptr), (endptr), (base)) -#define tolower(c) (bcm_isupper((c)) ? ((c) + 'a' - 'A') : (c)) -#else -#include <stdio.h> -#include <stdlib.h> -#include <ctype.h> -#ifndef ASSERT -#define ASSERT(exp) -#endif -#endif -#include <bcmwifi.h> - -#if defined(WIN32) && (defined(BCMDLL) || defined(WLMDLL)) -#include <bcmstdlib.h> -#endif - - - - - -char * -wf_chspec_ntoa(chanspec_t chspec, char *buf) -{ - const char *band, *bw, *sb; - uint channel; - - band = ""; - bw = ""; - sb = ""; - channel = CHSPEC_CHANNEL(chspec); - - if ((CHSPEC_IS2G(chspec) && channel > CH_MAX_2G_CHANNEL) || - (CHSPEC_IS5G(chspec) && channel <= CH_MAX_2G_CHANNEL)) - band = (CHSPEC_IS2G(chspec)) ? "b" : "a"; - if (CHSPEC_IS40(chspec)) { - if (CHSPEC_SB_UPPER(chspec)) { - sb = "u"; - channel += CH_10MHZ_APART; - } else { - sb = "l"; - channel -= CH_10MHZ_APART; - } - } else if (CHSPEC_IS10(chspec)) { - bw = "n"; - } - - - snprintf(buf, 6, "%d%s%s%s", channel, band, bw, sb); - return (buf); -} - - -chanspec_t -wf_chspec_aton(char *a) -{ - char *endp = NULL; - uint channel, band, bw, ctl_sb; - char c; - - channel = strtoul(a, &endp, 10); - - - if (endp == a) - return 0; - - if (channel > MAXCHANNEL) - return 0; - - band = ((channel <= CH_MAX_2G_CHANNEL) ? WL_CHANSPEC_BAND_2G : WL_CHANSPEC_BAND_5G); - bw = WL_CHANSPEC_BW_20; - ctl_sb = WL_CHANSPEC_CTL_SB_NONE; - - a = endp; - - c = tolower(a[0]); - if (c == '\0') - goto done; - - - if (c == 'a' || c == 'b') { - band = (c == 'a') ? WL_CHANSPEC_BAND_5G : WL_CHANSPEC_BAND_2G; - a++; - c = tolower(a[0]); - if (c == '\0') - goto done; - } - - - if (c == 'n') { - bw = WL_CHANSPEC_BW_10; - } else if (c == 'l') { - bw = WL_CHANSPEC_BW_40; - ctl_sb = WL_CHANSPEC_CTL_SB_LOWER; - - if (channel <= (MAXCHANNEL - CH_20MHZ_APART)) - channel += CH_10MHZ_APART; - else - return 0; - } else if (c == 'u') { - bw = WL_CHANSPEC_BW_40; - ctl_sb = WL_CHANSPEC_CTL_SB_UPPER; - - if (channel > CH_20MHZ_APART) - channel -= CH_10MHZ_APART; - else - return 0; - } else { - return 0; - } - -done: - return (channel | band | bw | ctl_sb); -} - - -bool -wf_chspec_malformed(chanspec_t chanspec) -{ - - if (!CHSPEC_IS5G(chanspec) && !CHSPEC_IS2G(chanspec)) - return TRUE; - - if (!CHSPEC_IS40(chanspec) && !CHSPEC_IS20(chanspec)) - return TRUE; - - - if (CHSPEC_IS20_UNCOND(chanspec)) { - if (!CHSPEC_SB_NONE(chanspec)) - return TRUE; - } else { - if (!CHSPEC_SB_UPPER(chanspec) && !CHSPEC_SB_LOWER(chanspec)) - return TRUE; - } - - return FALSE; -} - - -uint8 -wf_chspec_ctlchan(chanspec_t chspec) -{ - uint8 ctl_chan; - - - if (CHSPEC_CTL_SB(chspec) == WL_CHANSPEC_CTL_SB_NONE) { - return CHSPEC_CHANNEL(chspec); - } else { - - ASSERT(CHSPEC_BW(chspec) == WL_CHANSPEC_BW_40); - - if (CHSPEC_CTL_SB(chspec) == WL_CHANSPEC_CTL_SB_UPPER) { - - ctl_chan = UPPER_20_SB(CHSPEC_CHANNEL(chspec)); - } else { - ASSERT(CHSPEC_CTL_SB(chspec) == WL_CHANSPEC_CTL_SB_LOWER); - - ctl_chan = LOWER_20_SB(CHSPEC_CHANNEL(chspec)); - } - } - - return ctl_chan; -} - -chanspec_t -wf_chspec_ctlchspec(chanspec_t chspec) -{ - chanspec_t ctl_chspec = 0; - uint8 channel; - - ASSERT(!wf_chspec_malformed(chspec)); - - - if (CHSPEC_CTL_SB(chspec) == WL_CHANSPEC_CTL_SB_NONE) { - return chspec; - } else { - if (CHSPEC_CTL_SB(chspec) == WL_CHANSPEC_CTL_SB_UPPER) { - channel = UPPER_20_SB(CHSPEC_CHANNEL(chspec)); - } else { - channel = LOWER_20_SB(CHSPEC_CHANNEL(chspec)); - } - ctl_chspec = channel | WL_CHANSPEC_BW_20 | WL_CHANSPEC_CTL_SB_NONE; - ctl_chspec |= CHSPEC_BAND(chspec); - } - return ctl_chspec; -} - - -int -wf_mhz2channel(uint freq, uint start_factor) -{ - int ch = -1; - uint base; - int offset; - - - if (start_factor == 0) { - if (freq >= 2400 && freq <= 2500) - start_factor = WF_CHAN_FACTOR_2_4_G; - else if (freq >= 5000 && freq <= 6000) - start_factor = WF_CHAN_FACTOR_5_G; - } - - if (freq == 2484 && start_factor == WF_CHAN_FACTOR_2_4_G) - return 14; - - base = start_factor / 2; - - - if ((freq < base) || (freq > base + 1000)) - return -1; - - offset = freq - base; - ch = offset / 5; - - - if (offset != (ch * 5)) - return -1; - - - if (start_factor == WF_CHAN_FACTOR_2_4_G && (ch < 1 || ch > 13)) - return -1; - - return ch; -} - - -int -wf_channel2mhz(uint ch, uint start_factor) -{ - int freq; - - if ((start_factor == WF_CHAN_FACTOR_2_4_G && (ch < 1 || ch > 14)) || - (ch > 200)) - freq = -1; - else if ((start_factor == WF_CHAN_FACTOR_2_4_G) && (ch == 14)) - freq = 2484; - else - freq = ch * 5 + start_factor / 2; - - return freq; -} |