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authorGreg Kroah-Hartman <gregkh@suse.de>2010-10-28 09:44:56 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2010-10-28 09:44:56 -0700
commite4c5bf8e3dca827a1b3a6fac494eae8c74b7e1e7 (patch)
treeea51b391f7d74ca695dcb9f5e46eb02688a92ed9 /drivers/staging/otus/80211core/cwm.c
parent81280572ca6f54009edfa4deee563e8678784218 (diff)
parenta4ac0d847af9dd34d5953a5e264400326144b6b2 (diff)
downloadop-kernel-dev-e4c5bf8e3dca827a1b3a6fac494eae8c74b7e1e7.zip
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Merge 'staging-next' to Linus's tree
This merges the staging-next tree to Linus's tree and resolves some conflicts that were present due to changes in other trees that were affected by files here. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/otus/80211core/cwm.c')
-rw-r--r--drivers/staging/otus/80211core/cwm.c131
1 files changed, 0 insertions, 131 deletions
diff --git a/drivers/staging/otus/80211core/cwm.c b/drivers/staging/otus/80211core/cwm.c
deleted file mode 100644
index 1bd0b1f..0000000
--- a/drivers/staging/otus/80211core/cwm.c
+++ /dev/null
@@ -1,131 +0,0 @@
-/*
- * Copyright (c) 2007-2008 Atheros Communications Inc.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-/* */
-/* Module Name : cwm.c */
-/* */
-/* Abstract */
-/* This module contains channel width related functions. */
-/* */
-/* NOTES */
-/* None */
-/* */
-/************************************************************************/
-
-#include "cprecomp.h"
-
-
-
-void zfCwmInit(zdev_t* dev) {
- //u16_t i;
- zmw_get_wlan_dev(dev);
-
- switch (wd->wlanMode) {
- case ZM_MODE_AP:
- wd->cwm.cw_mode = CWM_MODE2040;
- wd->cwm.cw_width = CWM_WIDTH40;
- wd->cwm.cw_enable = 1;
- break;
- case ZM_MODE_INFRASTRUCTURE:
- case ZM_MODE_PSEUDO:
- case ZM_MODE_IBSS:
- default:
- wd->cwm.cw_mode = CWM_MODE2040;
- wd->cwm.cw_width = CWM_WIDTH20;
- wd->cwm.cw_enable = 1;
- break;
- }
-}
-
-
-void zfCoreCwmBusy(zdev_t* dev, u16_t busy)
-{
-
- zmw_get_wlan_dev(dev);
-
- zm_msg1_mm(ZM_LV_0, "CwmBusy=", busy);
-
- if(wd->cwm.cw_mode == CWM_MODE20) {
- wd->cwm.cw_width = CWM_WIDTH20;
- return;
- }
-
- if(wd->cwm.cw_mode == CWM_MODE40) {
- wd->cwm.cw_width = CWM_WIDTH40;
- return;
- }
-
- if (busy) {
- wd->cwm.cw_width = CWM_WIDTH20;
- return;
- }
-
-
- if((wd->wlanMode == ZM_MODE_INFRASTRUCTURE || wd->wlanMode == ZM_MODE_PSEUDO ||
- wd->wlanMode == ZM_MODE_IBSS)) {
- if ((wd->sta.ie.HtCap.HtCapInfo & HTCAP_SupChannelWidthSet) &&
- (wd->sta.ie.HtInfo.ChannelInfo & ExtHtCap_RecomTxWidthSet) &&
- (wd->sta.ie.HtInfo.ChannelInfo & ExtHtCap_ExtChannelOffsetAbove)) {
-
- wd->cwm.cw_width = CWM_WIDTH40;
- }
- else {
- wd->cwm.cw_width = CWM_WIDTH20;
- }
-
- return;
- }
-
- if(wd->wlanMode == ZM_MODE_AP) {
- wd->cwm.cw_width = CWM_WIDTH40;
- }
-
-}
-
-
-
-
-u16_t zfCwmIsExtChanBusy(u32_t ctlBusy, u32_t extBusy)
-{
- u32_t busy; /* percentage */
- u32_t cycleTime, ctlClear;
-
- cycleTime = 1280000; //1.28 seconds
-
- if (cycleTime > ctlBusy) {
- ctlClear = cycleTime - ctlBusy;
- }
- else
- {
- ctlClear = 0;
- }
-
- /* Compute ratio of extension channel busy to control channel clear
- * as an approximation to extension channel cleanliness.
- *
- * According to the hardware folks, ext rxclear is undefined
- * if the ctrl rxclear is de-asserted (i.e. busy)
- */
- if (ctlClear) {
- busy = (extBusy * 100) / ctlClear;
- } else {
- busy = 0;
- }
- if (busy > ATH_CWM_EXTCH_BUSY_THRESHOLD) {
- return TRUE;
- }
-
- return FALSE;
-}
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