diff options
Diffstat (limited to 'drivers/net/wireless/bcmdhd/src/wl/sys/wl_roam.c')
| -rw-r--r-- | drivers/net/wireless/bcmdhd/src/wl/sys/wl_roam.c | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/drivers/net/wireless/bcmdhd/src/wl/sys/wl_roam.c b/drivers/net/wireless/bcmdhd/src/wl/sys/wl_roam.c deleted file mode 100644 index 5b77c5c..0000000 --- a/drivers/net/wireless/bcmdhd/src/wl/sys/wl_roam.c +++ /dev/null @@ -1,124 +0,0 @@ -/* - * Linux Wireless Extensions support - * - * Copyright (C) 1999-2012, 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: wl_roam.c 302026 2011-12-09 11:51:50Z $ - */ -#include <typedefs.h> -#include <osl.h> -#include <bcmwifi_channels.h> -#include <wlioctl.h> - -#define WL_DBG(x) - -#define MAX_ROAM_CACHE 100 - -typedef struct { - chanspec_t chanspec; - int ssid_len; - char ssid[36]; -} roam_channel_cache; - -static int n_roam_cache = 0; -static int roam_band = WLC_BAND_AUTO; -static roam_channel_cache roam_cache[MAX_ROAM_CACHE]; - -void set_roam_band(int band) -{ - roam_band = band; -} - -void reset_roam_cache(void) -{ - n_roam_cache = 0; -} - -void add_roam_cache(wl_bss_info_t *bi) -{ - int i; - uint8 channel; - - if (n_roam_cache == MAX_ROAM_CACHE) - return; - - for (i = 0; i < n_roam_cache; i++) { - if ((roam_cache[i].ssid_len == bi->SSID_len) && - (roam_cache[i].chanspec == bi->chanspec) && - (memcmp(roam_cache[i].ssid, bi->SSID, bi->SSID_len) == 0)) { - /* identical one found, just return */ - return; - } - } - - roam_cache[n_roam_cache].ssid_len = bi->SSID_len; - channel = (bi->ctl_ch == 0) ? CHSPEC_CHANNEL(bi->chanspec) : bi->ctl_ch; - roam_cache[n_roam_cache].chanspec = WL_CHANSPEC_BW_20 | WL_CHANSPEC_CTL_SB_NONE | (channel <= 14 ? WL_CHANSPEC_BAND_2G : WL_CHANSPEC_BAND_5G) | channel; - memcpy(roam_cache[n_roam_cache].ssid, bi->SSID, bi->SSID_len); - - n_roam_cache++; -} - -int get_roam_channel_list(int target_chan, chanspec_t *channels, const wlc_ssid_t *ssid) -{ - int i, n = 1; - uint band; - - WL_DBG((" %s: %02d\n", __FUNCTION__, target_chan)); - - if (target_chan <= 14) - band = WL_CHANSPEC_BAND_2G; - else - band = WL_CHANSPEC_BAND_5G; - *channels++ = (target_chan & WL_CHANSPEC_CHAN_MASK) | band | WL_CHANSPEC_BW_20 | WL_CHANSPEC_CTL_SB_NONE; - - for(i=0; i<n_roam_cache; i++) { - chanspec_t ch = roam_cache[i].chanspec; - if ((roam_cache[i].ssid_len == ssid->SSID_len) && - ((ch & WL_CHANSPEC_CHAN_MASK) != target_chan) && - ((roam_band == WLC_BAND_AUTO) || ((roam_band == WLC_BAND_2G) && CHSPEC_IS2G(ch)) || ((roam_band == WLC_BAND_5G) && CHSPEC_IS5G(ch))) && - (memcmp(roam_cache[i].ssid, ssid->SSID, ssid->SSID_len) == 0)) { - /* match found, add it */ - *channels = ch & WL_CHANSPEC_CHAN_MASK; - if (*channels <= 14) - *channels |= WL_CHANSPEC_BAND_2G | WL_CHANSPEC_BW_20 | WL_CHANSPEC_CTL_SB_NONE; - else - *channels |= WL_CHANSPEC_BAND_5G | WL_CHANSPEC_BW_20 | WL_CHANSPEC_CTL_SB_NONE; - WL_DBG((" %s: %02d 0x%04X\n", __FUNCTION__, ch & WL_CHANSPEC_CHAN_MASK, *channels)); - channels++; n++; - } - } - - return n; -} - - -void print_roam_cache(void) -{ - int i; - - WL_DBG((" %d cache\n", n_roam_cache)); - - for (i = 0; i < n_roam_cache; i++) { - roam_cache[i].ssid[roam_cache[i].ssid_len] = 0; - WL_DBG(("0x%02X %02d %s\n", roam_cache[i].chanspec, roam_cache[i].ssid_len, roam_cache[i].ssid)); - } -} |