// SPDX-License-Identifier: (GPL-2.0 OR MPL-1.1)
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/* src/prism2/driver/prism2sta.c
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*
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* Implements the station functionality for prism2
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*
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* Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved.
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* --------------------------------------------------------------------
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*
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* linux-wlan
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*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* Alternatively, the contents of this file may be used under the
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* terms of the GNU Public License version 2 (the "GPL"), in which
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* case the provisions of the GPL are applicable instead of the
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* above. If you wish to allow the use of your version of this file
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* only under the terms of the GPL and not to allow others to use
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* your version of this file under the MPL, indicate your decision
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* by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL. If you do not delete
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* the provisions above, a recipient may use your version of this
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* file under either the MPL or the GPL.
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*
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* --------------------------------------------------------------------
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*
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* Inquiries regarding the linux-wlan Open Source project can be
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* made directly to:
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*
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* AbsoluteValue Systems Inc.
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* info@linux-wlan.com
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* http://www.linux-wlan.com
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*
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* --------------------------------------------------------------------
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*
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* Portions of the development of this software were funded by
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* Intersil Corporation as part of PRISM(R) chipset product development.
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*
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* --------------------------------------------------------------------
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*
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* This file implements the module and linux pcmcia routines for the
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* prism2 driver.
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*
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* --------------------------------------------------------------------
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*/
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/sched.h>
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#include <linux/types.h>
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#include <linux/slab.h>
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#include <linux/wireless.h>
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#include <linux/netdevice.h>
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#include <linux/workqueue.h>
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#include <linux/byteorder/generic.h>
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#include <linux/etherdevice.h>
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#include <linux/io.h>
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#include <linux/delay.h>
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#include <asm/byteorder.h>
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#include <linux/if_arp.h>
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#include <linux/if_ether.h>
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#include <linux/bitops.h>
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#include "p80211types.h"
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#include "p80211hdr.h"
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#include "p80211mgmt.h"
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#include "p80211conv.h"
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#include "p80211msg.h"
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#include "p80211netdev.h"
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#include "p80211req.h"
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#include "p80211metadef.h"
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#include "p80211metastruct.h"
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#include "hfa384x.h"
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#include "prism2mgmt.h"
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static char *dev_info = "prism2_usb";
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static struct wlandevice *create_wlan(void);
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int prism2_reset_holdtime = 30; /* Reset hold time in ms */
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int prism2_reset_settletime = 100; /* Reset settle time in ms */
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static int prism2_doreset; /* Do a reset at init? */
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module_param(prism2_doreset, int, 0644);
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MODULE_PARM_DESC(prism2_doreset, "Issue a reset on initialization");
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module_param(prism2_reset_holdtime, int, 0644);
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MODULE_PARM_DESC(prism2_reset_holdtime, "reset hold time in ms");
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module_param(prism2_reset_settletime, int, 0644);
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MODULE_PARM_DESC(prism2_reset_settletime, "reset settle time in ms");
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MODULE_LICENSE("Dual MPL/GPL");
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static int prism2sta_open(struct wlandevice *wlandev);
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static int prism2sta_close(struct wlandevice *wlandev);
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static void prism2sta_reset(struct wlandevice *wlandev);
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static int prism2sta_txframe(struct wlandevice *wlandev, struct sk_buff *skb,
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union p80211_hdr *p80211_hdr,
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struct p80211_metawep *p80211_wep);
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static int prism2sta_mlmerequest(struct wlandevice *wlandev,
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struct p80211msg *msg);
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static int prism2sta_getcardinfo(struct wlandevice *wlandev);
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static int prism2sta_globalsetup(struct wlandevice *wlandev);
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static int prism2sta_setmulticast(struct wlandevice *wlandev,
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struct net_device *dev);
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static void prism2sta_inf_handover(struct wlandevice *wlandev,
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struct hfa384x_inf_frame *inf);
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static void prism2sta_inf_tallies(struct wlandevice *wlandev,
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struct hfa384x_inf_frame *inf);
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static void prism2sta_inf_hostscanresults(struct wlandevice *wlandev,
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struct hfa384x_inf_frame *inf);
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static void prism2sta_inf_scanresults(struct wlandevice *wlandev,
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struct hfa384x_inf_frame *inf);
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static void prism2sta_inf_chinforesults(struct wlandevice *wlandev,
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struct hfa384x_inf_frame *inf);
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static void prism2sta_inf_linkstatus(struct wlandevice *wlandev,
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struct hfa384x_inf_frame *inf);
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static void prism2sta_inf_assocstatus(struct wlandevice *wlandev,
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struct hfa384x_inf_frame *inf);
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static void prism2sta_inf_authreq(struct wlandevice *wlandev,
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struct hfa384x_inf_frame *inf);
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static void prism2sta_inf_authreq_defer(struct wlandevice *wlandev,
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struct hfa384x_inf_frame *inf);
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static void prism2sta_inf_psusercnt(struct wlandevice *wlandev,
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struct hfa384x_inf_frame *inf);
|
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/*
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* prism2sta_open
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*
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* WLAN device open method. Called from p80211netdev when kernel
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* device open (start) method is called in response to the
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* SIOCSIIFFLAGS ioctl changing the flags bit IFF_UP
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* from clear to set.
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*
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* Arguments:
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* wlandev wlan device structure
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*
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* Returns:
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* 0 success
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* >0 f/w reported error
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* <0 driver reported error
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*
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* Side effects:
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*
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* Call context:
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* process thread
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*/
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static int prism2sta_open(struct wlandevice *wlandev)
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{
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/* We don't currently have to do anything else.
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* The setup of the MAC should be subsequently completed via
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* the mlme commands.
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* Higher layers know we're ready from dev->start==1 and
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* dev->tbusy==0. Our rx path knows to pass up received/
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* frames because of dev->flags&IFF_UP is true.
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*/
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return 0;
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}
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/*
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* prism2sta_close
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*
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* WLAN device close method. Called from p80211netdev when kernel
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* device close method is called in response to the
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* SIOCSIIFFLAGS ioctl changing the flags bit IFF_UP
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* from set to clear.
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*
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* Arguments:
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* wlandev wlan device structure
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*
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* Returns:
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* 0 success
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* >0 f/w reported error
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* <0 driver reported error
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*
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* Side effects:
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*
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* Call context:
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* process thread
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*/
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static int prism2sta_close(struct wlandevice *wlandev)
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{
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/* We don't currently have to do anything else.
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* Higher layers know we're not ready from dev->start==0 and
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* dev->tbusy==1. Our rx path knows to not pass up received
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* frames because of dev->flags&IFF_UP is false.
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*/
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return 0;
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}
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/*
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* prism2sta_reset
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*
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* Currently not implemented.
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*
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* Arguments:
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* wlandev wlan device structure
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* none
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*
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* Returns:
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* nothing
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*
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* Side effects:
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*
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* Call context:
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* process thread
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*/
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static void prism2sta_reset(struct wlandevice *wlandev)
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{
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}
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/*
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* prism2sta_txframe
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*
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* Takes a frame from p80211 and queues it for transmission.
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*
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* Arguments:
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* wlandev wlan device structure
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* pb packet buffer struct. Contains an 802.11
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* data frame.
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* p80211_hdr points to the 802.11 header for the packet.
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* Returns:
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* 0 Success and more buffs available
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* 1 Success but no more buffs
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* 2 Allocation failure
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* 4 Buffer full or queue busy
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*
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* Side effects:
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*
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* Call context:
|
* process thread
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*/
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static int prism2sta_txframe(struct wlandevice *wlandev, struct sk_buff *skb,
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union p80211_hdr *p80211_hdr,
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struct p80211_metawep *p80211_wep)
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{
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struct hfa384x *hw = wlandev->priv;
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|
/* If necessary, set the 802.11 WEP bit */
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if ((wlandev->hostwep & (HOSTWEP_PRIVACYINVOKED | HOSTWEP_ENCRYPT)) ==
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HOSTWEP_PRIVACYINVOKED) {
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p80211_hdr->a3.fc |= cpu_to_le16(WLAN_SET_FC_ISWEP(1));
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}
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return hfa384x_drvr_txframe(hw, skb, p80211_hdr, p80211_wep);
|
}
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/*
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* prism2sta_mlmerequest
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*
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* wlan command message handler. All we do here is pass the message
|
* over to the prism2sta_mgmt_handler.
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*
|
* Arguments:
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* wlandev wlan device structure
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* msg wlan command message
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* Returns:
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* 0 success
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* <0 successful acceptance of message, but we're
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* waiting for an async process to finish before
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* we're done with the msg. When the asynch
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* process is done, we'll call the p80211
|
* function p80211req_confirm() .
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* >0 An error occurred while we were handling
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* the message.
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*
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* Side effects:
|
*
|
* Call context:
|
* process thread
|
*/
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static int prism2sta_mlmerequest(struct wlandevice *wlandev,
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struct p80211msg *msg)
|
{
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struct hfa384x *hw = wlandev->priv;
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int result = 0;
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switch (msg->msgcode) {
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case DIDmsg_dot11req_mibget:
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pr_debug("Received mibget request\n");
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result = prism2mgmt_mibset_mibget(wlandev, msg);
|
break;
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case DIDmsg_dot11req_mibset:
|
pr_debug("Received mibset request\n");
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result = prism2mgmt_mibset_mibget(wlandev, msg);
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break;
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case DIDmsg_dot11req_scan:
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pr_debug("Received scan request\n");
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result = prism2mgmt_scan(wlandev, msg);
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break;
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case DIDmsg_dot11req_scan_results:
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pr_debug("Received scan_results request\n");
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result = prism2mgmt_scan_results(wlandev, msg);
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break;
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case DIDmsg_dot11req_start:
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pr_debug("Received mlme start request\n");
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result = prism2mgmt_start(wlandev, msg);
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break;
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/*
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* Prism2 specific messages
|
*/
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case DIDmsg_p2req_readpda:
|
pr_debug("Received mlme readpda request\n");
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result = prism2mgmt_readpda(wlandev, msg);
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break;
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case DIDmsg_p2req_ramdl_state:
|
pr_debug("Received mlme ramdl_state request\n");
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result = prism2mgmt_ramdl_state(wlandev, msg);
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break;
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case DIDmsg_p2req_ramdl_write:
|
pr_debug("Received mlme ramdl_write request\n");
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result = prism2mgmt_ramdl_write(wlandev, msg);
|
break;
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case DIDmsg_p2req_flashdl_state:
|
pr_debug("Received mlme flashdl_state request\n");
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result = prism2mgmt_flashdl_state(wlandev, msg);
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break;
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case DIDmsg_p2req_flashdl_write:
|
pr_debug("Received mlme flashdl_write request\n");
|
result = prism2mgmt_flashdl_write(wlandev, msg);
|
break;
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/*
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* Linux specific messages
|
*/
|
case DIDmsg_lnxreq_hostwep:
|
break; /* ignore me. */
|
case DIDmsg_lnxreq_ifstate:
|
{
|
struct p80211msg_lnxreq_ifstate *ifstatemsg;
|
|
pr_debug("Received mlme ifstate request\n");
|
ifstatemsg = (struct p80211msg_lnxreq_ifstate *)msg;
|
result =
|
prism2sta_ifstate(wlandev,
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ifstatemsg->ifstate.data);
|
ifstatemsg->resultcode.status =
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P80211ENUM_msgitem_status_data_ok;
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ifstatemsg->resultcode.data = result;
|
result = 0;
|
}
|
break;
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case DIDmsg_lnxreq_wlansniff:
|
pr_debug("Received mlme wlansniff request\n");
|
result = prism2mgmt_wlansniff(wlandev, msg);
|
break;
|
case DIDmsg_lnxreq_autojoin:
|
pr_debug("Received mlme autojoin request\n");
|
result = prism2mgmt_autojoin(wlandev, msg);
|
break;
|
case DIDmsg_lnxreq_commsquality:{
|
struct p80211msg_lnxreq_commsquality *qualmsg;
|
|
pr_debug("Received commsquality request\n");
|
|
qualmsg = (struct p80211msg_lnxreq_commsquality *)msg;
|
|
qualmsg->link.status =
|
P80211ENUM_msgitem_status_data_ok;
|
qualmsg->level.status =
|
P80211ENUM_msgitem_status_data_ok;
|
qualmsg->noise.status =
|
P80211ENUM_msgitem_status_data_ok;
|
|
qualmsg->link.data = le16_to_cpu(hw->qual.cq_curr_bss);
|
qualmsg->level.data =
|
le16_to_cpu(hw->qual.asl_curr_bss);
|
qualmsg->noise.data = le16_to_cpu(hw->qual.anl_curr_fc);
|
qualmsg->txrate.data = hw->txrate;
|
|
break;
|
}
|
default:
|
netdev_warn(wlandev->netdev,
|
"Unknown mgmt request message 0x%08x",
|
msg->msgcode);
|
break;
|
}
|
|
return result;
|
}
|
|
/*
|
* prism2sta_ifstate
|
*
|
* Interface state. This is the primary WLAN interface enable/disable
|
* handler. Following the driver/load/deviceprobe sequence, this
|
* function must be called with a state of "enable" before any other
|
* commands will be accepted.
|
*
|
* Arguments:
|
* wlandev wlan device structure
|
* msgp ptr to msg buffer
|
*
|
* Returns:
|
* A p80211 message resultcode value.
|
*
|
* Side effects:
|
*
|
* Call context:
|
* process thread (usually)
|
* interrupt
|
*/
|
u32 prism2sta_ifstate(struct wlandevice *wlandev, u32 ifstate)
|
{
|
struct hfa384x *hw = wlandev->priv;
|
u32 result;
|
|
result = P80211ENUM_resultcode_implementation_failure;
|
|
pr_debug("Current MSD state(%d), requesting(%d)\n",
|
wlandev->msdstate, ifstate);
|
switch (ifstate) {
|
case P80211ENUM_ifstate_fwload:
|
switch (wlandev->msdstate) {
|
case WLAN_MSD_HWPRESENT:
|
wlandev->msdstate = WLAN_MSD_FWLOAD_PENDING;
|
/*
|
* Initialize the device+driver sufficiently
|
* for firmware loading.
|
*/
|
result = hfa384x_drvr_start(hw);
|
if (result) {
|
netdev_err(wlandev->netdev,
|
"hfa384x_drvr_start() failed,result=%d\n",
|
(int)result);
|
result =
|
P80211ENUM_resultcode_implementation_failure;
|
wlandev->msdstate = WLAN_MSD_HWPRESENT;
|
break;
|
}
|
wlandev->msdstate = WLAN_MSD_FWLOAD;
|
result = P80211ENUM_resultcode_success;
|
break;
|
case WLAN_MSD_FWLOAD:
|
hfa384x_cmd_initialize(hw);
|
result = P80211ENUM_resultcode_success;
|
break;
|
case WLAN_MSD_RUNNING:
|
netdev_warn(wlandev->netdev,
|
"Cannot enter fwload state from enable state, you must disable first.\n");
|
result = P80211ENUM_resultcode_invalid_parameters;
|
break;
|
case WLAN_MSD_HWFAIL:
|
default:
|
/* probe() had a problem or the msdstate contains
|
* an unrecognized value, there's nothing we can do.
|
*/
|
result = P80211ENUM_resultcode_implementation_failure;
|
break;
|
}
|
break;
|
case P80211ENUM_ifstate_enable:
|
switch (wlandev->msdstate) {
|
case WLAN_MSD_HWPRESENT:
|
case WLAN_MSD_FWLOAD:
|
wlandev->msdstate = WLAN_MSD_RUNNING_PENDING;
|
/* Initialize the device+driver for full
|
* operation. Note that this might me an FWLOAD to
|
* to RUNNING transition so we must not do a chip
|
* or board level reset. Note that on failure,
|
* the MSD state is set to HWPRESENT because we
|
* can't make any assumptions about the state
|
* of the hardware or a previous firmware load.
|
*/
|
result = hfa384x_drvr_start(hw);
|
if (result) {
|
netdev_err(wlandev->netdev,
|
"hfa384x_drvr_start() failed,result=%d\n",
|
(int)result);
|
result =
|
P80211ENUM_resultcode_implementation_failure;
|
wlandev->msdstate = WLAN_MSD_HWPRESENT;
|
break;
|
}
|
|
result = prism2sta_getcardinfo(wlandev);
|
if (result) {
|
netdev_err(wlandev->netdev,
|
"prism2sta_getcardinfo() failed,result=%d\n",
|
(int)result);
|
result =
|
P80211ENUM_resultcode_implementation_failure;
|
hfa384x_drvr_stop(hw);
|
wlandev->msdstate = WLAN_MSD_HWPRESENT;
|
break;
|
}
|
result = prism2sta_globalsetup(wlandev);
|
if (result) {
|
netdev_err(wlandev->netdev,
|
"prism2sta_globalsetup() failed,result=%d\n",
|
(int)result);
|
result =
|
P80211ENUM_resultcode_implementation_failure;
|
hfa384x_drvr_stop(hw);
|
wlandev->msdstate = WLAN_MSD_HWPRESENT;
|
break;
|
}
|
wlandev->msdstate = WLAN_MSD_RUNNING;
|
hw->join_ap = 0;
|
hw->join_retries = 60;
|
result = P80211ENUM_resultcode_success;
|
break;
|
case WLAN_MSD_RUNNING:
|
/* Do nothing, we're already in this state. */
|
result = P80211ENUM_resultcode_success;
|
break;
|
case WLAN_MSD_HWFAIL:
|
default:
|
/* probe() had a problem or the msdstate contains
|
* an unrecognized value, there's nothing we can do.
|
*/
|
result = P80211ENUM_resultcode_implementation_failure;
|
break;
|
}
|
break;
|
case P80211ENUM_ifstate_disable:
|
switch (wlandev->msdstate) {
|
case WLAN_MSD_HWPRESENT:
|
/* Do nothing, we're already in this state. */
|
result = P80211ENUM_resultcode_success;
|
break;
|
case WLAN_MSD_FWLOAD:
|
case WLAN_MSD_RUNNING:
|
wlandev->msdstate = WLAN_MSD_HWPRESENT_PENDING;
|
/*
|
* TODO: Shut down the MAC completely. Here a chip
|
* or board level reset is probably called for.
|
* After a "disable" _all_ results are lost, even
|
* those from a fwload.
|
*/
|
if (!wlandev->hwremoved)
|
netif_carrier_off(wlandev->netdev);
|
|
hfa384x_drvr_stop(hw);
|
|
wlandev->macmode = WLAN_MACMODE_NONE;
|
wlandev->msdstate = WLAN_MSD_HWPRESENT;
|
result = P80211ENUM_resultcode_success;
|
break;
|
case WLAN_MSD_HWFAIL:
|
default:
|
/* probe() had a problem or the msdstate contains
|
* an unrecognized value, there's nothing we can do.
|
*/
|
result = P80211ENUM_resultcode_implementation_failure;
|
break;
|
}
|
break;
|
default:
|
result = P80211ENUM_resultcode_invalid_parameters;
|
break;
|
}
|
|
return result;
|
}
|
|
/*
|
* prism2sta_getcardinfo
|
*
|
* Collect the NICID, firmware version and any other identifiers
|
* we'd like to have in host-side data structures.
|
*
|
* Arguments:
|
* wlandev wlan device structure
|
*
|
* Returns:
|
* 0 success
|
* >0 f/w reported error
|
* <0 driver reported error
|
*
|
* Side effects:
|
*
|
* Call context:
|
* Either.
|
*/
|
static int prism2sta_getcardinfo(struct wlandevice *wlandev)
|
{
|
int result = 0;
|
struct hfa384x *hw = wlandev->priv;
|
u16 temp;
|
u8 snum[HFA384x_RID_NICSERIALNUMBER_LEN];
|
|
/* Collect version and compatibility info */
|
/* Some are critical, some are not */
|
/* NIC identity */
|
result = hfa384x_drvr_getconfig(hw, HFA384x_RID_NICIDENTITY,
|
&hw->ident_nic,
|
sizeof(struct hfa384x_compident));
|
if (result) {
|
netdev_err(wlandev->netdev, "Failed to retrieve NICIDENTITY\n");
|
goto failed;
|
}
|
|
/* get all the nic id fields in host byte order */
|
le16_to_cpus(&hw->ident_nic.id);
|
le16_to_cpus(&hw->ident_nic.variant);
|
le16_to_cpus(&hw->ident_nic.major);
|
le16_to_cpus(&hw->ident_nic.minor);
|
|
netdev_info(wlandev->netdev, "ident: nic h/w: id=0x%02x %d.%d.%d\n",
|
hw->ident_nic.id, hw->ident_nic.major,
|
hw->ident_nic.minor, hw->ident_nic.variant);
|
|
/* Primary f/w identity */
|
result = hfa384x_drvr_getconfig(hw, HFA384x_RID_PRIIDENTITY,
|
&hw->ident_pri_fw,
|
sizeof(struct hfa384x_compident));
|
if (result) {
|
netdev_err(wlandev->netdev, "Failed to retrieve PRIIDENTITY\n");
|
goto failed;
|
}
|
|
/* get all the private fw id fields in host byte order */
|
le16_to_cpus(&hw->ident_pri_fw.id);
|
le16_to_cpus(&hw->ident_pri_fw.variant);
|
le16_to_cpus(&hw->ident_pri_fw.major);
|
le16_to_cpus(&hw->ident_pri_fw.minor);
|
|
netdev_info(wlandev->netdev, "ident: pri f/w: id=0x%02x %d.%d.%d\n",
|
hw->ident_pri_fw.id, hw->ident_pri_fw.major,
|
hw->ident_pri_fw.minor, hw->ident_pri_fw.variant);
|
|
/* Station (Secondary?) f/w identity */
|
result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STAIDENTITY,
|
&hw->ident_sta_fw,
|
sizeof(struct hfa384x_compident));
|
if (result) {
|
netdev_err(wlandev->netdev, "Failed to retrieve STAIDENTITY\n");
|
goto failed;
|
}
|
|
if (hw->ident_nic.id < 0x8000) {
|
netdev_err(wlandev->netdev,
|
"FATAL: Card is not an Intersil Prism2/2.5/3\n");
|
result = -1;
|
goto failed;
|
}
|
|
/* get all the station fw id fields in host byte order */
|
le16_to_cpus(&hw->ident_sta_fw.id);
|
le16_to_cpus(&hw->ident_sta_fw.variant);
|
le16_to_cpus(&hw->ident_sta_fw.major);
|
le16_to_cpus(&hw->ident_sta_fw.minor);
|
|
/* strip out the 'special' variant bits */
|
hw->mm_mods = hw->ident_sta_fw.variant & GENMASK(15, 14);
|
hw->ident_sta_fw.variant &= ~((u16)GENMASK(15, 14));
|
|
if (hw->ident_sta_fw.id == 0x1f) {
|
netdev_info(wlandev->netdev,
|
"ident: sta f/w: id=0x%02x %d.%d.%d\n",
|
hw->ident_sta_fw.id, hw->ident_sta_fw.major,
|
hw->ident_sta_fw.minor, hw->ident_sta_fw.variant);
|
} else {
|
netdev_info(wlandev->netdev,
|
"ident: ap f/w: id=0x%02x %d.%d.%d\n",
|
hw->ident_sta_fw.id, hw->ident_sta_fw.major,
|
hw->ident_sta_fw.minor, hw->ident_sta_fw.variant);
|
netdev_err(wlandev->netdev, "Unsupported Tertiary AP firmware loaded!\n");
|
goto failed;
|
}
|
|
/* Compatibility range, Modem supplier */
|
result = hfa384x_drvr_getconfig(hw, HFA384x_RID_MFISUPRANGE,
|
&hw->cap_sup_mfi,
|
sizeof(struct hfa384x_caplevel));
|
if (result) {
|
netdev_err(wlandev->netdev, "Failed to retrieve MFISUPRANGE\n");
|
goto failed;
|
}
|
|
/* get all the Compatibility range, modem interface supplier
|
* fields in byte order
|
*/
|
le16_to_cpus(&hw->cap_sup_mfi.role);
|
le16_to_cpus(&hw->cap_sup_mfi.id);
|
le16_to_cpus(&hw->cap_sup_mfi.variant);
|
le16_to_cpus(&hw->cap_sup_mfi.bottom);
|
le16_to_cpus(&hw->cap_sup_mfi.top);
|
|
netdev_info(wlandev->netdev,
|
"MFI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
|
hw->cap_sup_mfi.role, hw->cap_sup_mfi.id,
|
hw->cap_sup_mfi.variant, hw->cap_sup_mfi.bottom,
|
hw->cap_sup_mfi.top);
|
|
/* Compatibility range, Controller supplier */
|
result = hfa384x_drvr_getconfig(hw, HFA384x_RID_CFISUPRANGE,
|
&hw->cap_sup_cfi,
|
sizeof(struct hfa384x_caplevel));
|
if (result) {
|
netdev_err(wlandev->netdev, "Failed to retrieve CFISUPRANGE\n");
|
goto failed;
|
}
|
|
/* get all the Compatibility range, controller interface supplier
|
* fields in byte order
|
*/
|
le16_to_cpus(&hw->cap_sup_cfi.role);
|
le16_to_cpus(&hw->cap_sup_cfi.id);
|
le16_to_cpus(&hw->cap_sup_cfi.variant);
|
le16_to_cpus(&hw->cap_sup_cfi.bottom);
|
le16_to_cpus(&hw->cap_sup_cfi.top);
|
|
netdev_info(wlandev->netdev,
|
"CFI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
|
hw->cap_sup_cfi.role, hw->cap_sup_cfi.id,
|
hw->cap_sup_cfi.variant, hw->cap_sup_cfi.bottom,
|
hw->cap_sup_cfi.top);
|
|
/* Compatibility range, Primary f/w supplier */
|
result = hfa384x_drvr_getconfig(hw, HFA384x_RID_PRISUPRANGE,
|
&hw->cap_sup_pri,
|
sizeof(struct hfa384x_caplevel));
|
if (result) {
|
netdev_err(wlandev->netdev, "Failed to retrieve PRISUPRANGE\n");
|
goto failed;
|
}
|
|
/* get all the Compatibility range, primary firmware supplier
|
* fields in byte order
|
*/
|
le16_to_cpus(&hw->cap_sup_pri.role);
|
le16_to_cpus(&hw->cap_sup_pri.id);
|
le16_to_cpus(&hw->cap_sup_pri.variant);
|
le16_to_cpus(&hw->cap_sup_pri.bottom);
|
le16_to_cpus(&hw->cap_sup_pri.top);
|
|
netdev_info(wlandev->netdev,
|
"PRI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
|
hw->cap_sup_pri.role, hw->cap_sup_pri.id,
|
hw->cap_sup_pri.variant, hw->cap_sup_pri.bottom,
|
hw->cap_sup_pri.top);
|
|
/* Compatibility range, Station f/w supplier */
|
result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STASUPRANGE,
|
&hw->cap_sup_sta,
|
sizeof(struct hfa384x_caplevel));
|
if (result) {
|
netdev_err(wlandev->netdev, "Failed to retrieve STASUPRANGE\n");
|
goto failed;
|
}
|
|
/* get all the Compatibility range, station firmware supplier
|
* fields in byte order
|
*/
|
le16_to_cpus(&hw->cap_sup_sta.role);
|
le16_to_cpus(&hw->cap_sup_sta.id);
|
le16_to_cpus(&hw->cap_sup_sta.variant);
|
le16_to_cpus(&hw->cap_sup_sta.bottom);
|
le16_to_cpus(&hw->cap_sup_sta.top);
|
|
if (hw->cap_sup_sta.id == 0x04) {
|
netdev_info(wlandev->netdev,
|
"STA:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
|
hw->cap_sup_sta.role, hw->cap_sup_sta.id,
|
hw->cap_sup_sta.variant, hw->cap_sup_sta.bottom,
|
hw->cap_sup_sta.top);
|
} else {
|
netdev_info(wlandev->netdev,
|
"AP:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
|
hw->cap_sup_sta.role, hw->cap_sup_sta.id,
|
hw->cap_sup_sta.variant, hw->cap_sup_sta.bottom,
|
hw->cap_sup_sta.top);
|
}
|
|
/* Compatibility range, primary f/w actor, CFI supplier */
|
result = hfa384x_drvr_getconfig(hw, HFA384x_RID_PRI_CFIACTRANGES,
|
&hw->cap_act_pri_cfi,
|
sizeof(struct hfa384x_caplevel));
|
if (result) {
|
netdev_err(wlandev->netdev, "Failed to retrieve PRI_CFIACTRANGES\n");
|
goto failed;
|
}
|
|
/* get all the Compatibility range, primary f/w actor, CFI supplier
|
* fields in byte order
|
*/
|
le16_to_cpus(&hw->cap_act_pri_cfi.role);
|
le16_to_cpus(&hw->cap_act_pri_cfi.id);
|
le16_to_cpus(&hw->cap_act_pri_cfi.variant);
|
le16_to_cpus(&hw->cap_act_pri_cfi.bottom);
|
le16_to_cpus(&hw->cap_act_pri_cfi.top);
|
|
netdev_info(wlandev->netdev,
|
"PRI-CFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
|
hw->cap_act_pri_cfi.role, hw->cap_act_pri_cfi.id,
|
hw->cap_act_pri_cfi.variant, hw->cap_act_pri_cfi.bottom,
|
hw->cap_act_pri_cfi.top);
|
|
/* Compatibility range, sta f/w actor, CFI supplier */
|
result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STA_CFIACTRANGES,
|
&hw->cap_act_sta_cfi,
|
sizeof(struct hfa384x_caplevel));
|
if (result) {
|
netdev_err(wlandev->netdev, "Failed to retrieve STA_CFIACTRANGES\n");
|
goto failed;
|
}
|
|
/* get all the Compatibility range, station f/w actor, CFI supplier
|
* fields in byte order
|
*/
|
le16_to_cpus(&hw->cap_act_sta_cfi.role);
|
le16_to_cpus(&hw->cap_act_sta_cfi.id);
|
le16_to_cpus(&hw->cap_act_sta_cfi.variant);
|
le16_to_cpus(&hw->cap_act_sta_cfi.bottom);
|
le16_to_cpus(&hw->cap_act_sta_cfi.top);
|
|
netdev_info(wlandev->netdev,
|
"STA-CFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
|
hw->cap_act_sta_cfi.role, hw->cap_act_sta_cfi.id,
|
hw->cap_act_sta_cfi.variant, hw->cap_act_sta_cfi.bottom,
|
hw->cap_act_sta_cfi.top);
|
|
/* Compatibility range, sta f/w actor, MFI supplier */
|
result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STA_MFIACTRANGES,
|
&hw->cap_act_sta_mfi,
|
sizeof(struct hfa384x_caplevel));
|
if (result) {
|
netdev_err(wlandev->netdev, "Failed to retrieve STA_MFIACTRANGES\n");
|
goto failed;
|
}
|
|
/* get all the Compatibility range, station f/w actor, MFI supplier
|
* fields in byte order
|
*/
|
le16_to_cpus(&hw->cap_act_sta_mfi.role);
|
le16_to_cpus(&hw->cap_act_sta_mfi.id);
|
le16_to_cpus(&hw->cap_act_sta_mfi.variant);
|
le16_to_cpus(&hw->cap_act_sta_mfi.bottom);
|
le16_to_cpus(&hw->cap_act_sta_mfi.top);
|
|
netdev_info(wlandev->netdev,
|
"STA-MFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
|
hw->cap_act_sta_mfi.role, hw->cap_act_sta_mfi.id,
|
hw->cap_act_sta_mfi.variant, hw->cap_act_sta_mfi.bottom,
|
hw->cap_act_sta_mfi.top);
|
|
/* Serial Number */
|
result = hfa384x_drvr_getconfig(hw, HFA384x_RID_NICSERIALNUMBER,
|
snum, HFA384x_RID_NICSERIALNUMBER_LEN);
|
if (!result) {
|
netdev_info(wlandev->netdev, "Prism2 card SN: %*pEhp\n",
|
HFA384x_RID_NICSERIALNUMBER_LEN, snum);
|
} else {
|
netdev_err(wlandev->netdev, "Failed to retrieve Prism2 Card SN\n");
|
goto failed;
|
}
|
|
/* Collect the MAC address */
|
result = hfa384x_drvr_getconfig(hw, HFA384x_RID_CNFOWNMACADDR,
|
wlandev->netdev->dev_addr, ETH_ALEN);
|
if (result != 0) {
|
netdev_err(wlandev->netdev, "Failed to retrieve mac address\n");
|
goto failed;
|
}
|
|
/* short preamble is always implemented */
|
wlandev->nsdcaps |= P80211_NSDCAP_SHORT_PREAMBLE;
|
|
/* find out if hardware wep is implemented */
|
hfa384x_drvr_getconfig16(hw, HFA384x_RID_PRIVACYOPTIMP, &temp);
|
if (temp)
|
wlandev->nsdcaps |= P80211_NSDCAP_HARDWAREWEP;
|
|
/* get the dBm Scaling constant */
|
hfa384x_drvr_getconfig16(hw, HFA384x_RID_CNFDBMADJUST, &temp);
|
hw->dbmadjust = temp;
|
|
/* Only enable scan by default on newer firmware */
|
if (HFA384x_FIRMWARE_VERSION(hw->ident_sta_fw.major,
|
hw->ident_sta_fw.minor,
|
hw->ident_sta_fw.variant) <
|
HFA384x_FIRMWARE_VERSION(1, 5, 5)) {
|
wlandev->nsdcaps |= P80211_NSDCAP_NOSCAN;
|
}
|
|
/* TODO: Set any internally managed config items */
|
|
goto done;
|
failed:
|
netdev_err(wlandev->netdev, "Failed, result=%d\n", result);
|
done:
|
return result;
|
}
|
|
/*
|
* prism2sta_globalsetup
|
*
|
* Set any global RIDs that we want to set at device activation.
|
*
|
* Arguments:
|
* wlandev wlan device structure
|
*
|
* Returns:
|
* 0 success
|
* >0 f/w reported error
|
* <0 driver reported error
|
*
|
* Side effects:
|
*
|
* Call context:
|
* process thread
|
*/
|
static int prism2sta_globalsetup(struct wlandevice *wlandev)
|
{
|
struct hfa384x *hw = wlandev->priv;
|
|
/* Set the maximum frame size */
|
return hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFMAXDATALEN,
|
WLAN_DATA_MAXLEN);
|
}
|
|
static int prism2sta_setmulticast(struct wlandevice *wlandev,
|
struct net_device *dev)
|
{
|
int result = 0;
|
struct hfa384x *hw = wlandev->priv;
|
|
u16 promisc;
|
|
/* If we're not ready, what's the point? */
|
if (hw->state != HFA384x_STATE_RUNNING)
|
goto exit;
|
|
if ((dev->flags & (IFF_PROMISC | IFF_ALLMULTI)) != 0)
|
promisc = P80211ENUM_truth_true;
|
else
|
promisc = P80211ENUM_truth_false;
|
|
result =
|
hfa384x_drvr_setconfig16_async(hw, HFA384x_RID_PROMISCMODE,
|
promisc);
|
exit:
|
return result;
|
}
|
|
/*
|
* prism2sta_inf_handover
|
*
|
* Handles the receipt of a Handover info frame. Should only be present
|
* in APs only.
|
*
|
* Arguments:
|
* wlandev wlan device structure
|
* inf ptr to info frame (contents in hfa384x order)
|
*
|
* Returns:
|
* nothing
|
*
|
* Side effects:
|
*
|
* Call context:
|
* interrupt
|
*/
|
static void prism2sta_inf_handover(struct wlandevice *wlandev,
|
struct hfa384x_inf_frame *inf)
|
{
|
pr_debug("received infoframe:HANDOVER (unhandled)\n");
|
}
|
|
/*
|
* prism2sta_inf_tallies
|
*
|
* Handles the receipt of a CommTallies info frame.
|
*
|
* Arguments:
|
* wlandev wlan device structure
|
* inf ptr to info frame (contents in hfa384x order)
|
*
|
* Returns:
|
* nothing
|
*
|
* Side effects:
|
*
|
* Call context:
|
* interrupt
|
*/
|
static void prism2sta_inf_tallies(struct wlandevice *wlandev,
|
struct hfa384x_inf_frame *inf)
|
{
|
struct hfa384x *hw = wlandev->priv;
|
__le16 *src16;
|
u32 *dst;
|
__le32 *src32;
|
int i;
|
int cnt;
|
|
/*
|
* Determine if these are 16-bit or 32-bit tallies, based on the
|
* record length of the info record.
|
*/
|
|
cnt = sizeof(struct hfa384x_comm_tallies_32) / sizeof(u32);
|
if (inf->framelen > 22) {
|
dst = (u32 *)&hw->tallies;
|
src32 = (__le32 *)&inf->info.commtallies32;
|
for (i = 0; i < cnt; i++, dst++, src32++)
|
*dst += le32_to_cpu(*src32);
|
} else {
|
dst = (u32 *)&hw->tallies;
|
src16 = (__le16 *)&inf->info.commtallies16;
|
for (i = 0; i < cnt; i++, dst++, src16++)
|
*dst += le16_to_cpu(*src16);
|
}
|
}
|
|
/*
|
* prism2sta_inf_scanresults
|
*
|
* Handles the receipt of a Scan Results info frame.
|
*
|
* Arguments:
|
* wlandev wlan device structure
|
* inf ptr to info frame (contents in hfa384x order)
|
*
|
* Returns:
|
* nothing
|
*
|
* Side effects:
|
*
|
* Call context:
|
* interrupt
|
*/
|
static void prism2sta_inf_scanresults(struct wlandevice *wlandev,
|
struct hfa384x_inf_frame *inf)
|
{
|
struct hfa384x *hw = wlandev->priv;
|
int nbss;
|
struct hfa384x_scan_result *sr = &inf->info.scanresult;
|
int i;
|
struct hfa384x_join_request_data joinreq;
|
int result;
|
|
/* Get the number of results, first in bytes, then in results */
|
nbss = (inf->framelen * sizeof(u16)) -
|
sizeof(inf->infotype) - sizeof(inf->info.scanresult.scanreason);
|
nbss /= sizeof(struct hfa384x_scan_result_sub);
|
|
/* Print em */
|
pr_debug("rx scanresults, reason=%d, nbss=%d:\n",
|
inf->info.scanresult.scanreason, nbss);
|
for (i = 0; i < nbss; i++) {
|
pr_debug("chid=%d anl=%d sl=%d bcnint=%d\n",
|
sr->result[i].chid,
|
sr->result[i].anl,
|
sr->result[i].sl, sr->result[i].bcnint);
|
pr_debug(" capinfo=0x%04x proberesp_rate=%d\n",
|
sr->result[i].capinfo, sr->result[i].proberesp_rate);
|
}
|
/* issue a join request */
|
joinreq.channel = sr->result[0].chid;
|
memcpy(joinreq.bssid, sr->result[0].bssid, WLAN_BSSID_LEN);
|
result = hfa384x_drvr_setconfig(hw,
|
HFA384x_RID_JOINREQUEST,
|
&joinreq, HFA384x_RID_JOINREQUEST_LEN);
|
if (result) {
|
netdev_err(wlandev->netdev, "setconfig(joinreq) failed, result=%d\n",
|
result);
|
}
|
}
|
|
/*
|
* prism2sta_inf_hostscanresults
|
*
|
* Handles the receipt of a Scan Results info frame.
|
*
|
* Arguments:
|
* wlandev wlan device structure
|
* inf ptr to info frame (contents in hfa384x order)
|
*
|
* Returns:
|
* nothing
|
*
|
* Side effects:
|
*
|
* Call context:
|
* interrupt
|
*/
|
static void prism2sta_inf_hostscanresults(struct wlandevice *wlandev,
|
struct hfa384x_inf_frame *inf)
|
{
|
struct hfa384x *hw = wlandev->priv;
|
int nbss;
|
|
nbss = (inf->framelen - 3) / 32;
|
pr_debug("Received %d hostscan results\n", nbss);
|
|
if (nbss > 32)
|
nbss = 32;
|
|
kfree(hw->scanresults);
|
|
hw->scanresults = kmemdup(inf, sizeof(*inf), GFP_ATOMIC);
|
|
if (nbss == 0)
|
nbss = -1;
|
|
/* Notify/wake the sleeping caller. */
|
hw->scanflag = nbss;
|
wake_up_interruptible(&hw->cmdq);
|
};
|
|
/*
|
* prism2sta_inf_chinforesults
|
*
|
* Handles the receipt of a Channel Info Results info frame.
|
*
|
* Arguments:
|
* wlandev wlan device structure
|
* inf ptr to info frame (contents in hfa384x order)
|
*
|
* Returns:
|
* nothing
|
*
|
* Side effects:
|
*
|
* Call context:
|
* interrupt
|
*/
|
static void prism2sta_inf_chinforesults(struct wlandevice *wlandev,
|
struct hfa384x_inf_frame *inf)
|
{
|
struct hfa384x *hw = wlandev->priv;
|
unsigned int i, n;
|
|
hw->channel_info.results.scanchannels =
|
inf->info.chinforesult.scanchannels;
|
|
for (i = 0, n = 0; i < HFA384x_CHINFORESULT_MAX; i++) {
|
struct hfa384x_ch_info_result_sub *result;
|
struct hfa384x_ch_info_result_sub *chinforesult;
|
int chan;
|
|
if (!(hw->channel_info.results.scanchannels & (1 << i)))
|
continue;
|
|
result = &inf->info.chinforesult.result[n];
|
chan = result->chid - 1;
|
|
if (chan < 0 || chan >= HFA384x_CHINFORESULT_MAX)
|
continue;
|
|
chinforesult = &hw->channel_info.results.result[chan];
|
chinforesult->chid = chan;
|
chinforesult->anl = result->anl;
|
chinforesult->pnl = result->pnl;
|
chinforesult->active = result->active;
|
|
pr_debug("chinfo: channel %d, %s level (avg/peak)=%d/%d dB, pcf %d\n",
|
chan + 1,
|
(chinforesult->active & HFA384x_CHINFORESULT_BSSACTIVE)
|
? "signal" : "noise",
|
chinforesult->anl, chinforesult->pnl,
|
(chinforesult->active & HFA384x_CHINFORESULT_PCFACTIVE)
|
? 1 : 0);
|
n++;
|
}
|
atomic_set(&hw->channel_info.done, 2);
|
|
hw->channel_info.count = n;
|
}
|
|
void prism2sta_processing_defer(struct work_struct *data)
|
{
|
struct hfa384x *hw = container_of(data, struct hfa384x, link_bh);
|
struct wlandevice *wlandev = hw->wlandev;
|
struct hfa384x_bytestr32 ssid;
|
int result;
|
|
/* First let's process the auth frames */
|
{
|
struct sk_buff *skb;
|
struct hfa384x_inf_frame *inf;
|
|
while ((skb = skb_dequeue(&hw->authq))) {
|
inf = (struct hfa384x_inf_frame *)skb->data;
|
prism2sta_inf_authreq_defer(wlandev, inf);
|
}
|
}
|
|
/* Now let's handle the linkstatus stuff */
|
if (hw->link_status == hw->link_status_new)
|
return;
|
|
hw->link_status = hw->link_status_new;
|
|
switch (hw->link_status) {
|
case HFA384x_LINK_NOTCONNECTED:
|
/* I'm currently assuming that this is the initial link
|
* state. It should only be possible immediately
|
* following an Enable command.
|
* Response:
|
* Block Transmits, Ignore receives of data frames
|
*/
|
netif_carrier_off(wlandev->netdev);
|
|
netdev_info(wlandev->netdev, "linkstatus=NOTCONNECTED (unhandled)\n");
|
break;
|
|
case HFA384x_LINK_CONNECTED:
|
/* This one indicates a successful scan/join/auth/assoc.
|
* When we have the full MLME complement, this event will
|
* signify successful completion of both mlme_authenticate
|
* and mlme_associate. State management will get a little
|
* ugly here.
|
* Response:
|
* Indicate authentication and/or association
|
* Enable Transmits, Receives and pass up data frames
|
*/
|
|
netif_carrier_on(wlandev->netdev);
|
|
/* If we are joining a specific AP, set our
|
* state and reset retries
|
*/
|
if (hw->join_ap == 1)
|
hw->join_ap = 2;
|
hw->join_retries = 60;
|
|
/* Don't call this in monitor mode */
|
if (wlandev->netdev->type == ARPHRD_ETHER) {
|
u16 portstatus;
|
|
netdev_info(wlandev->netdev, "linkstatus=CONNECTED\n");
|
|
/* For non-usb devices, we can use the sync versions */
|
/* Collect the BSSID, and set state to allow tx */
|
|
result = hfa384x_drvr_getconfig(hw,
|
HFA384x_RID_CURRENTBSSID,
|
wlandev->bssid,
|
WLAN_BSSID_LEN);
|
if (result) {
|
pr_debug
|
("getconfig(0x%02x) failed, result = %d\n",
|
HFA384x_RID_CURRENTBSSID, result);
|
return;
|
}
|
|
result = hfa384x_drvr_getconfig(hw,
|
HFA384x_RID_CURRENTSSID,
|
&ssid, sizeof(ssid));
|
if (result) {
|
pr_debug
|
("getconfig(0x%02x) failed, result = %d\n",
|
HFA384x_RID_CURRENTSSID, result);
|
return;
|
}
|
prism2mgmt_bytestr2pstr((struct hfa384x_bytestr *)&ssid,
|
(struct p80211pstrd *)&wlandev->ssid);
|
|
/* Collect the port status */
|
result = hfa384x_drvr_getconfig16(hw,
|
HFA384x_RID_PORTSTATUS,
|
&portstatus);
|
if (result) {
|
pr_debug
|
("getconfig(0x%02x) failed, result = %d\n",
|
HFA384x_RID_PORTSTATUS, result);
|
return;
|
}
|
wlandev->macmode =
|
(portstatus == HFA384x_PSTATUS_CONN_IBSS) ?
|
WLAN_MACMODE_IBSS_STA : WLAN_MACMODE_ESS_STA;
|
|
/* signal back up to cfg80211 layer */
|
prism2_connect_result(wlandev, P80211ENUM_truth_false);
|
|
/* Get the ball rolling on the comms quality stuff */
|
prism2sta_commsqual_defer(&hw->commsqual_bh);
|
}
|
break;
|
|
case HFA384x_LINK_DISCONNECTED:
|
/* This one indicates that our association is gone. We've
|
* lost connection with the AP and/or been disassociated.
|
* This indicates that the MAC has completely cleared it's
|
* associated state. We * should send a deauth indication
|
* (implying disassoc) up * to the MLME.
|
* Response:
|
* Indicate Deauthentication
|
* Block Transmits, Ignore receives of data frames
|
*/
|
if (wlandev->netdev->type == ARPHRD_ETHER)
|
netdev_info(wlandev->netdev,
|
"linkstatus=DISCONNECTED (unhandled)\n");
|
wlandev->macmode = WLAN_MACMODE_NONE;
|
|
netif_carrier_off(wlandev->netdev);
|
|
/* signal back up to cfg80211 layer */
|
prism2_disconnected(wlandev);
|
|
break;
|
|
case HFA384x_LINK_AP_CHANGE:
|
/* This one indicates that the MAC has decided to and
|
* successfully completed a change to another AP. We
|
* should probably implement a reassociation indication
|
* in response to this one. I'm thinking that the
|
* p80211 layer needs to be notified in case of
|
* buffering/queueing issues. User mode also needs to be
|
* notified so that any BSS dependent elements can be
|
* updated.
|
* associated state. We * should send a deauth indication
|
* (implying disassoc) up * to the MLME.
|
* Response:
|
* Indicate Reassociation
|
* Enable Transmits, Receives and pass up data frames
|
*/
|
netdev_info(wlandev->netdev, "linkstatus=AP_CHANGE\n");
|
|
result = hfa384x_drvr_getconfig(hw,
|
HFA384x_RID_CURRENTBSSID,
|
wlandev->bssid, WLAN_BSSID_LEN);
|
if (result) {
|
pr_debug("getconfig(0x%02x) failed, result = %d\n",
|
HFA384x_RID_CURRENTBSSID, result);
|
return;
|
}
|
|
result = hfa384x_drvr_getconfig(hw,
|
HFA384x_RID_CURRENTSSID,
|
&ssid, sizeof(ssid));
|
if (result) {
|
pr_debug("getconfig(0x%02x) failed, result = %d\n",
|
HFA384x_RID_CURRENTSSID, result);
|
return;
|
}
|
prism2mgmt_bytestr2pstr((struct hfa384x_bytestr *)&ssid,
|
(struct p80211pstrd *)&wlandev->ssid);
|
|
hw->link_status = HFA384x_LINK_CONNECTED;
|
netif_carrier_on(wlandev->netdev);
|
|
/* signal back up to cfg80211 layer */
|
prism2_roamed(wlandev);
|
|
break;
|
|
case HFA384x_LINK_AP_OUTOFRANGE:
|
/* This one indicates that the MAC has decided that the
|
* AP is out of range, but hasn't found a better candidate
|
* so the MAC maintains its "associated" state in case
|
* we get back in range. We should block transmits and
|
* receives in this state. Do we need an indication here?
|
* Probably not since a polling user-mode element would
|
* get this status from from p2PortStatus(FD40). What about
|
* p80211?
|
* Response:
|
* Block Transmits, Ignore receives of data frames
|
*/
|
netdev_info(wlandev->netdev, "linkstatus=AP_OUTOFRANGE (unhandled)\n");
|
|
netif_carrier_off(wlandev->netdev);
|
|
break;
|
|
case HFA384x_LINK_AP_INRANGE:
|
/* This one indicates that the MAC has decided that the
|
* AP is back in range. We continue working with our
|
* existing association.
|
* Response:
|
* Enable Transmits, Receives and pass up data frames
|
*/
|
netdev_info(wlandev->netdev, "linkstatus=AP_INRANGE\n");
|
|
hw->link_status = HFA384x_LINK_CONNECTED;
|
netif_carrier_on(wlandev->netdev);
|
|
break;
|
|
case HFA384x_LINK_ASSOCFAIL:
|
/* This one is actually a peer to CONNECTED. We've
|
* requested a join for a given SSID and optionally BSSID.
|
* We can use this one to indicate authentication and
|
* association failures. The trick is going to be
|
* 1) identifying the failure, and 2) state management.
|
* Response:
|
* Disable Transmits, Ignore receives of data frames
|
*/
|
if (hw->join_ap && --hw->join_retries > 0) {
|
struct hfa384x_join_request_data joinreq;
|
|
joinreq = hw->joinreq;
|
/* Send the join request */
|
hfa384x_drvr_setconfig(hw,
|
HFA384x_RID_JOINREQUEST,
|
&joinreq,
|
HFA384x_RID_JOINREQUEST_LEN);
|
netdev_info(wlandev->netdev,
|
"linkstatus=ASSOCFAIL (re-submitting join)\n");
|
} else {
|
netdev_info(wlandev->netdev, "linkstatus=ASSOCFAIL (unhandled)\n");
|
}
|
|
netif_carrier_off(wlandev->netdev);
|
|
/* signal back up to cfg80211 layer */
|
prism2_connect_result(wlandev, P80211ENUM_truth_true);
|
|
break;
|
|
default:
|
/* This is bad, IO port problems? */
|
netdev_warn(wlandev->netdev,
|
"unknown linkstatus=0x%02x\n", hw->link_status);
|
return;
|
}
|
|
wlandev->linkstatus = (hw->link_status == HFA384x_LINK_CONNECTED);
|
}
|
|
/*
|
* prism2sta_inf_linkstatus
|
*
|
* Handles the receipt of a Link Status info frame.
|
*
|
* Arguments:
|
* wlandev wlan device structure
|
* inf ptr to info frame (contents in hfa384x order)
|
*
|
* Returns:
|
* nothing
|
*
|
* Side effects:
|
*
|
* Call context:
|
* interrupt
|
*/
|
static void prism2sta_inf_linkstatus(struct wlandevice *wlandev,
|
struct hfa384x_inf_frame *inf)
|
{
|
struct hfa384x *hw = wlandev->priv;
|
|
hw->link_status_new = le16_to_cpu(inf->info.linkstatus.linkstatus);
|
|
schedule_work(&hw->link_bh);
|
}
|
|
/*
|
* prism2sta_inf_assocstatus
|
*
|
* Handles the receipt of an Association Status info frame. Should
|
* be present in APs only.
|
*
|
* Arguments:
|
* wlandev wlan device structure
|
* inf ptr to info frame (contents in hfa384x order)
|
*
|
* Returns:
|
* nothing
|
*
|
* Side effects:
|
*
|
* Call context:
|
* interrupt
|
*/
|
static void prism2sta_inf_assocstatus(struct wlandevice *wlandev,
|
struct hfa384x_inf_frame *inf)
|
{
|
struct hfa384x *hw = wlandev->priv;
|
struct hfa384x_assoc_status rec;
|
int i;
|
|
memcpy(&rec, &inf->info.assocstatus, sizeof(rec));
|
le16_to_cpus(&rec.assocstatus);
|
le16_to_cpus(&rec.reason);
|
|
/*
|
* Find the address in the list of authenticated stations.
|
* If it wasn't found, then this address has not been previously
|
* authenticated and something weird has happened if this is
|
* anything other than an "authentication failed" message.
|
* If the address was found, then set the "associated" flag for
|
* that station, based on whether the station is associating or
|
* losing its association. Something weird has also happened
|
* if we find the address in the list of authenticated stations
|
* but we are getting an "authentication failed" message.
|
*/
|
|
for (i = 0; i < hw->authlist.cnt; i++)
|
if (ether_addr_equal(rec.sta_addr, hw->authlist.addr[i]))
|
break;
|
|
if (i >= hw->authlist.cnt) {
|
if (rec.assocstatus != HFA384x_ASSOCSTATUS_AUTHFAIL)
|
netdev_warn(wlandev->netdev,
|
"assocstatus info frame received for non-authenticated station.\n");
|
} else {
|
hw->authlist.assoc[i] =
|
(rec.assocstatus == HFA384x_ASSOCSTATUS_STAASSOC ||
|
rec.assocstatus == HFA384x_ASSOCSTATUS_REASSOC);
|
|
if (rec.assocstatus == HFA384x_ASSOCSTATUS_AUTHFAIL)
|
netdev_warn(wlandev->netdev,
|
"authfail assocstatus info frame received for authenticated station.\n");
|
}
|
}
|
|
/*
|
* prism2sta_inf_authreq
|
*
|
* Handles the receipt of an Authentication Request info frame. Should
|
* be present in APs only.
|
*
|
* Arguments:
|
* wlandev wlan device structure
|
* inf ptr to info frame (contents in hfa384x order)
|
*
|
* Returns:
|
* nothing
|
*
|
* Side effects:
|
*
|
* Call context:
|
* interrupt
|
*
|
*/
|
static void prism2sta_inf_authreq(struct wlandevice *wlandev,
|
struct hfa384x_inf_frame *inf)
|
{
|
struct hfa384x *hw = wlandev->priv;
|
struct sk_buff *skb;
|
|
skb = dev_alloc_skb(sizeof(*inf));
|
if (skb) {
|
skb_put(skb, sizeof(*inf));
|
memcpy(skb->data, inf, sizeof(*inf));
|
skb_queue_tail(&hw->authq, skb);
|
schedule_work(&hw->link_bh);
|
}
|
}
|
|
static void prism2sta_inf_authreq_defer(struct wlandevice *wlandev,
|
struct hfa384x_inf_frame *inf)
|
{
|
struct hfa384x *hw = wlandev->priv;
|
struct hfa384x_authenticate_station_data rec;
|
|
int i, added, result, cnt;
|
u8 *addr;
|
|
/*
|
* Build the AuthenticateStation record. Initialize it for denying
|
* authentication.
|
*/
|
|
ether_addr_copy(rec.address, inf->info.authreq.sta_addr);
|
rec.status = cpu_to_le16(P80211ENUM_status_unspec_failure);
|
|
/*
|
* Authenticate based on the access mode.
|
*/
|
|
switch (hw->accessmode) {
|
case WLAN_ACCESS_NONE:
|
|
/*
|
* Deny all new authentications. However, if a station
|
* is ALREADY authenticated, then accept it.
|
*/
|
|
for (i = 0; i < hw->authlist.cnt; i++)
|
if (ether_addr_equal(rec.address,
|
hw->authlist.addr[i])) {
|
rec.status = cpu_to_le16(P80211ENUM_status_successful);
|
break;
|
}
|
|
break;
|
|
case WLAN_ACCESS_ALL:
|
|
/*
|
* Allow all authentications.
|
*/
|
|
rec.status = cpu_to_le16(P80211ENUM_status_successful);
|
break;
|
|
case WLAN_ACCESS_ALLOW:
|
|
/*
|
* Only allow the authentication if the MAC address
|
* is in the list of allowed addresses.
|
*
|
* Since this is the interrupt handler, we may be here
|
* while the access list is in the middle of being
|
* updated. Choose the list which is currently okay.
|
* See "prism2mib_priv_accessallow()" for details.
|
*/
|
|
if (hw->allow.modify == 0) {
|
cnt = hw->allow.cnt;
|
addr = hw->allow.addr[0];
|
} else {
|
cnt = hw->allow.cnt1;
|
addr = hw->allow.addr1[0];
|
}
|
|
for (i = 0; i < cnt; i++, addr += ETH_ALEN)
|
if (ether_addr_equal(rec.address, addr)) {
|
rec.status = cpu_to_le16(P80211ENUM_status_successful);
|
break;
|
}
|
|
break;
|
|
case WLAN_ACCESS_DENY:
|
|
/*
|
* Allow the authentication UNLESS the MAC address is
|
* in the list of denied addresses.
|
*
|
* Since this is the interrupt handler, we may be here
|
* while the access list is in the middle of being
|
* updated. Choose the list which is currently okay.
|
* See "prism2mib_priv_accessdeny()" for details.
|
*/
|
|
if (hw->deny.modify == 0) {
|
cnt = hw->deny.cnt;
|
addr = hw->deny.addr[0];
|
} else {
|
cnt = hw->deny.cnt1;
|
addr = hw->deny.addr1[0];
|
}
|
|
rec.status = cpu_to_le16(P80211ENUM_status_successful);
|
|
for (i = 0; i < cnt; i++, addr += ETH_ALEN)
|
if (ether_addr_equal(rec.address, addr)) {
|
rec.status = cpu_to_le16(P80211ENUM_status_unspec_failure);
|
break;
|
}
|
|
break;
|
}
|
|
/*
|
* If the authentication is okay, then add the MAC address to the
|
* list of authenticated stations. Don't add the address if it
|
* is already in the list. (802.11b does not seem to disallow
|
* a station from issuing an authentication request when the
|
* station is already authenticated. Does this sort of thing
|
* ever happen? We might as well do the check just in case.)
|
*/
|
|
added = 0;
|
|
if (rec.status == cpu_to_le16(P80211ENUM_status_successful)) {
|
for (i = 0; i < hw->authlist.cnt; i++)
|
if (ether_addr_equal(rec.address,
|
hw->authlist.addr[i]))
|
break;
|
|
if (i >= hw->authlist.cnt) {
|
if (hw->authlist.cnt >= WLAN_AUTH_MAX) {
|
rec.status = cpu_to_le16(P80211ENUM_status_ap_full);
|
} else {
|
ether_addr_copy(hw->authlist.addr[hw->authlist.cnt],
|
rec.address);
|
hw->authlist.cnt++;
|
added = 1;
|
}
|
}
|
}
|
|
/*
|
* Send back the results of the authentication. If this doesn't work,
|
* then make sure to remove the address from the authenticated list if
|
* it was added.
|
*/
|
|
rec.algorithm = inf->info.authreq.algorithm;
|
|
result = hfa384x_drvr_setconfig(hw, HFA384x_RID_AUTHENTICATESTA,
|
&rec, sizeof(rec));
|
if (result) {
|
if (added)
|
hw->authlist.cnt--;
|
netdev_err(wlandev->netdev,
|
"setconfig(authenticatestation) failed, result=%d\n",
|
result);
|
}
|
}
|
|
/*
|
* prism2sta_inf_psusercnt
|
*
|
* Handles the receipt of a PowerSaveUserCount info frame. Should
|
* be present in APs only.
|
*
|
* Arguments:
|
* wlandev wlan device structure
|
* inf ptr to info frame (contents in hfa384x order)
|
*
|
* Returns:
|
* nothing
|
*
|
* Side effects:
|
*
|
* Call context:
|
* interrupt
|
*/
|
static void prism2sta_inf_psusercnt(struct wlandevice *wlandev,
|
struct hfa384x_inf_frame *inf)
|
{
|
struct hfa384x *hw = wlandev->priv;
|
|
hw->psusercount = le16_to_cpu(inf->info.psusercnt.usercnt);
|
}
|
|
/*
|
* prism2sta_ev_info
|
*
|
* Handles the Info event.
|
*
|
* Arguments:
|
* wlandev wlan device structure
|
* inf ptr to a generic info frame
|
*
|
* Returns:
|
* nothing
|
*
|
* Side effects:
|
*
|
* Call context:
|
* interrupt
|
*/
|
void prism2sta_ev_info(struct wlandevice *wlandev,
|
struct hfa384x_inf_frame *inf)
|
{
|
le16_to_cpus(&inf->infotype);
|
/* Dispatch */
|
switch (inf->infotype) {
|
case HFA384x_IT_HANDOVERADDR:
|
prism2sta_inf_handover(wlandev, inf);
|
break;
|
case HFA384x_IT_COMMTALLIES:
|
prism2sta_inf_tallies(wlandev, inf);
|
break;
|
case HFA384x_IT_HOSTSCANRESULTS:
|
prism2sta_inf_hostscanresults(wlandev, inf);
|
break;
|
case HFA384x_IT_SCANRESULTS:
|
prism2sta_inf_scanresults(wlandev, inf);
|
break;
|
case HFA384x_IT_CHINFORESULTS:
|
prism2sta_inf_chinforesults(wlandev, inf);
|
break;
|
case HFA384x_IT_LINKSTATUS:
|
prism2sta_inf_linkstatus(wlandev, inf);
|
break;
|
case HFA384x_IT_ASSOCSTATUS:
|
prism2sta_inf_assocstatus(wlandev, inf);
|
break;
|
case HFA384x_IT_AUTHREQ:
|
prism2sta_inf_authreq(wlandev, inf);
|
break;
|
case HFA384x_IT_PSUSERCNT:
|
prism2sta_inf_psusercnt(wlandev, inf);
|
break;
|
case HFA384x_IT_KEYIDCHANGED:
|
netdev_warn(wlandev->netdev, "Unhandled IT_KEYIDCHANGED\n");
|
break;
|
case HFA384x_IT_ASSOCREQ:
|
netdev_warn(wlandev->netdev, "Unhandled IT_ASSOCREQ\n");
|
break;
|
case HFA384x_IT_MICFAILURE:
|
netdev_warn(wlandev->netdev, "Unhandled IT_MICFAILURE\n");
|
break;
|
default:
|
netdev_warn(wlandev->netdev,
|
"Unknown info type=0x%02x\n", inf->infotype);
|
break;
|
}
|
}
|
|
/*
|
* prism2sta_ev_txexc
|
*
|
* Handles the TxExc event. A Transmit Exception event indicates
|
* that the MAC's TX process was unsuccessful - so the packet did
|
* not get transmitted.
|
*
|
* Arguments:
|
* wlandev wlan device structure
|
* status tx frame status word
|
*
|
* Returns:
|
* nothing
|
*
|
* Side effects:
|
*
|
* Call context:
|
* interrupt
|
*/
|
void prism2sta_ev_txexc(struct wlandevice *wlandev, u16 status)
|
{
|
pr_debug("TxExc status=0x%x.\n", status);
|
}
|
|
/*
|
* prism2sta_ev_tx
|
*
|
* Handles the Tx event.
|
*
|
* Arguments:
|
* wlandev wlan device structure
|
* status tx frame status word
|
* Returns:
|
* nothing
|
*
|
* Side effects:
|
*
|
* Call context:
|
* interrupt
|
*/
|
void prism2sta_ev_tx(struct wlandevice *wlandev, u16 status)
|
{
|
pr_debug("Tx Complete, status=0x%04x\n", status);
|
/* update linux network stats */
|
wlandev->netdev->stats.tx_packets++;
|
}
|
|
/*
|
* prism2sta_ev_alloc
|
*
|
* Handles the Alloc event.
|
*
|
* Arguments:
|
* wlandev wlan device structure
|
*
|
* Returns:
|
* nothing
|
*
|
* Side effects:
|
*
|
* Call context:
|
* interrupt
|
*/
|
void prism2sta_ev_alloc(struct wlandevice *wlandev)
|
{
|
netif_wake_queue(wlandev->netdev);
|
}
|
|
/*
|
* create_wlan
|
*
|
* Called at module init time. This creates the struct wlandevice structure
|
* and initializes it with relevant bits.
|
*
|
* Arguments:
|
* none
|
*
|
* Returns:
|
* the created struct wlandevice structure.
|
*
|
* Side effects:
|
* also allocates the priv/hw structures.
|
*
|
* Call context:
|
* process thread
|
*
|
*/
|
static struct wlandevice *create_wlan(void)
|
{
|
struct wlandevice *wlandev = NULL;
|
struct hfa384x *hw = NULL;
|
|
/* Alloc our structures */
|
wlandev = kzalloc(sizeof(*wlandev), GFP_KERNEL);
|
hw = kzalloc(sizeof(*hw), GFP_KERNEL);
|
|
if (!wlandev || !hw) {
|
kfree(wlandev);
|
kfree(hw);
|
return NULL;
|
}
|
|
/* Initialize the network device object. */
|
wlandev->nsdname = dev_info;
|
wlandev->msdstate = WLAN_MSD_HWPRESENT_PENDING;
|
wlandev->priv = hw;
|
wlandev->open = prism2sta_open;
|
wlandev->close = prism2sta_close;
|
wlandev->reset = prism2sta_reset;
|
wlandev->txframe = prism2sta_txframe;
|
wlandev->mlmerequest = prism2sta_mlmerequest;
|
wlandev->set_multicast_list = prism2sta_setmulticast;
|
wlandev->tx_timeout = hfa384x_tx_timeout;
|
|
wlandev->nsdcaps = P80211_NSDCAP_HWFRAGMENT | P80211_NSDCAP_AUTOJOIN;
|
|
/* Initialize the device private data structure. */
|
hw->dot11_desired_bss_type = 1;
|
|
return wlandev;
|
}
|
|
void prism2sta_commsqual_defer(struct work_struct *data)
|
{
|
struct hfa384x *hw = container_of(data, struct hfa384x, commsqual_bh);
|
struct wlandevice *wlandev = hw->wlandev;
|
struct hfa384x_bytestr32 ssid;
|
struct p80211msg_dot11req_mibget msg;
|
struct p80211item_uint32 *mibitem = (struct p80211item_uint32 *)
|
&msg.mibattribute.data;
|
int result = 0;
|
|
if (hw->wlandev->hwremoved)
|
return;
|
|
/* we don't care if we're in AP mode */
|
if ((wlandev->macmode == WLAN_MACMODE_NONE) ||
|
(wlandev->macmode == WLAN_MACMODE_ESS_AP)) {
|
return;
|
}
|
|
/* It only makes sense to poll these in non-IBSS */
|
if (wlandev->macmode != WLAN_MACMODE_IBSS_STA) {
|
result = hfa384x_drvr_getconfig(hw, HFA384x_RID_DBMCOMMSQUALITY,
|
&hw->qual, HFA384x_RID_DBMCOMMSQUALITY_LEN);
|
|
if (result) {
|
netdev_err(wlandev->netdev, "error fetching commsqual\n");
|
return;
|
}
|
|
pr_debug("commsqual %d %d %d\n",
|
le16_to_cpu(hw->qual.cq_curr_bss),
|
le16_to_cpu(hw->qual.asl_curr_bss),
|
le16_to_cpu(hw->qual.anl_curr_fc));
|
}
|
|
/* Get the signal rate */
|
msg.msgcode = DIDmsg_dot11req_mibget;
|
mibitem->did = DIDmib_p2_p2MAC_p2CurrentTxRate;
|
result = p80211req_dorequest(wlandev, (u8 *)&msg);
|
|
if (result) {
|
pr_debug("get signal rate failed, result = %d\n",
|
result);
|
return;
|
}
|
|
switch (mibitem->data) {
|
case HFA384x_RATEBIT_1:
|
hw->txrate = 10;
|
break;
|
case HFA384x_RATEBIT_2:
|
hw->txrate = 20;
|
break;
|
case HFA384x_RATEBIT_5dot5:
|
hw->txrate = 55;
|
break;
|
case HFA384x_RATEBIT_11:
|
hw->txrate = 110;
|
break;
|
default:
|
pr_debug("Bad ratebit (%d)\n", mibitem->data);
|
}
|
|
/* Lastly, we need to make sure the BSSID didn't change on us */
|
result = hfa384x_drvr_getconfig(hw,
|
HFA384x_RID_CURRENTBSSID,
|
wlandev->bssid, WLAN_BSSID_LEN);
|
if (result) {
|
pr_debug("getconfig(0x%02x) failed, result = %d\n",
|
HFA384x_RID_CURRENTBSSID, result);
|
return;
|
}
|
|
result = hfa384x_drvr_getconfig(hw,
|
HFA384x_RID_CURRENTSSID,
|
&ssid, sizeof(ssid));
|
if (result) {
|
pr_debug("getconfig(0x%02x) failed, result = %d\n",
|
HFA384x_RID_CURRENTSSID, result);
|
return;
|
}
|
prism2mgmt_bytestr2pstr((struct hfa384x_bytestr *)&ssid,
|
(struct p80211pstrd *)&wlandev->ssid);
|
|
/* Reschedule timer */
|
mod_timer(&hw->commsqual_timer, jiffies + HZ);
|
}
|
|
void prism2sta_commsqual_timer(struct timer_list *t)
|
{
|
struct hfa384x *hw = from_timer(hw, t, commsqual_timer);
|
|
schedule_work(&hw->commsqual_bh);
|
}
|
