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replace device in wlcompat(non-debug), add wlcompat.h and refuse to load wlcompat.o if a wireless extension already exists
git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@882 3c298f89-4303-0410-b956-a3cf2f4a3e73
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package/openwrt/include/wlcompat.h
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32
package/openwrt/include/wlcompat.h
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@ -0,0 +1,32 @@
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/*
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* wlcompat.h
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*
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* Copyright (C) 2005 Felix Fietkau <nbd@vd-s.ath.cx>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Id$
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*/
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#include <linux/wireless.h>
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#ifndef WLCOMPAT_H
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#define WLCOMPAT_H
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#define WLCOMPAT_SET_MONITOR SIOCIWFIRSTPRIV + 0
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#define WLCOMPAT_GET_MONITOR SIOCIWFIRSTPRIV + 1
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#define WLCOMPAT_SET_TXPWR_LIMIT SIOCIWFIRSTPRIV + 2
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#define WLCOMPAT_GET_TXPWR_LIMIT SIOCIWFIRSTPRIV + 3
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#endif
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@ -31,6 +31,7 @@
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#include <net/iw_handler.h>
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#include <wlioctl.h>
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#include <wlcompat.h>
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static struct net_device *dev;
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char buf[WLC_IOCTL_MAXLEN];
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@ -549,35 +550,6 @@ static const iw_handler wlcompat_handler[] = {
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wlcompat_ioctl, /* SIOCGIWENCODE */
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};
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#define PRIV_SET_MONITOR SIOCIWFIRSTPRIV + 0
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#define PRIV_GET_MONITOR SIOCIWFIRSTPRIV + 1
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#define PRIV_SET_TXPWR_LIMIT SIOCIWFIRSTPRIV + 2
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#define PRIV_GET_TXPWR_LIMIT SIOCIWFIRSTPRIV + 3
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static const struct iw_priv_args wlcompat_private_args[] =
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{
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{ PRIV_SET_MONITOR,
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IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
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0,
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"set_monitor"
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},
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{ PRIV_GET_MONITOR,
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0,
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IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
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"get_monitor"
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},
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{ PRIV_SET_TXPWR_LIMIT,
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IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
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0,
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"set_txpwr_force"
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},
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{ PRIV_GET_TXPWR_LIMIT,
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0,
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IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
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"get_txpwr_force"
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}
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};
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static int wlcompat_private_ioctl(struct net_device *dev,
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struct iw_request_info *info,
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union iwreq_data *wrqu,
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@ -586,21 +558,21 @@ static int wlcompat_private_ioctl(struct net_device *dev,
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int *value = (int *) wrqu->name;
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switch (info->cmd) {
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case PRIV_SET_MONITOR:
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case WLCOMPAT_SET_MONITOR:
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{
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if (wl_ioctl(dev, WLC_SET_MONITOR, value, sizeof(int)) < 0)
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return -EINVAL;
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break;
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}
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case PRIV_GET_MONITOR:
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case WLCOMPAT_GET_MONITOR:
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{
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if (wl_ioctl(dev, WLC_GET_MONITOR, extra, sizeof(int)) < 0)
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return -EINVAL;
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break;
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}
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case PRIV_SET_TXPWR_LIMIT:
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case WLCOMPAT_SET_TXPWR_LIMIT:
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{
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int val;
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@ -618,7 +590,7 @@ static int wlcompat_private_ioctl(struct net_device *dev,
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break;
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}
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case PRIV_GET_TXPWR_LIMIT:
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case WLCOMPAT_GET_TXPWR_LIMIT:
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{
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if (wl_get_val(dev, "qtxpower", value, sizeof(int)) < 0)
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return -EINVAL;
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@ -636,29 +608,49 @@ static int wlcompat_private_ioctl(struct net_device *dev,
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return 0;
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}
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static const struct iw_priv_args wlcompat_private_args[] =
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{
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{ WLCOMPAT_SET_MONITOR,
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IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
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0,
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"set_monitor"
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},
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{ WLCOMPAT_GET_MONITOR,
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0,
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IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
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"get_monitor"
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},
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{ WLCOMPAT_SET_TXPWR_LIMIT,
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IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
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0,
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"set_txpwr_force"
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},
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{ WLCOMPAT_GET_TXPWR_LIMIT,
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0,
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IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
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"get_txpwr_force"
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}
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};
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static const iw_handler wlcompat_private[] =
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static const iw_handler wlcompat_private[] =
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{
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wlcompat_private_ioctl,
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wlcompat_private_ioctl,
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wlcompat_private_ioctl,
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wlcompat_private_ioctl
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NULL
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};
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static const struct iw_handler_def wlcompat_handler_def =
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static const struct iw_handler_def wlcompat_handler_def =
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{
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.standard = (iw_handler *) wlcompat_handler,
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.num_standard = sizeof(wlcompat_handler)/sizeof(iw_handler),
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.private = wlcompat_private,
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.num_private = sizeof(wlcompat_private)/sizeof(iw_handler),
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.private_args = wlcompat_private_args,
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.num_private_args = sizeof(wlcompat_private_args)/sizeof(struct iw_priv_args),
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.num_private = 1,
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.private_args = wlcompat_private_args,
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.num_private_args = sizeof(wlcompat_private_args) / sizeof(wlcompat_private_args[0])
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};
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#ifdef DEBUG
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static int (*old_ioctl)(struct net_device *dev, struct ifreq *ifr, int cmd);
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void print_buffer(int len, unsigned char *buf) {
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int x;
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if (buf != NULL) {
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@ -673,10 +665,23 @@ void print_buffer(int len, unsigned char *buf) {
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printk("\n");
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}
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#endif
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static int (*old_ioctl)(struct net_device *dev, struct ifreq *ifr, int cmd);
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static int new_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) {
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int ret = 0;
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struct iwreq *iwr = (struct iwreq *) ifr;
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struct iw_request_info info;
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#ifdef DEBUG
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printk("dev: %s ioctl: 0x%04x\n",dev->name,cmd);
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if (cmd==SIOCDEVPRIVATE) {
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#endif
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if (cmd >= SIOCIWFIRSTPRIV) {
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info.cmd = cmd;
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info.flags = 0;
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ret = wlcompat_private_ioctl(dev, &info, &(iwr->u), (char *) &(iwr->u));
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#ifdef DEBUG
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} else if (cmd==SIOCDEVPRIVATE) {
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wl_ioctl_t *ioc = (wl_ioctl_t *)ifr->ifr_data;
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unsigned char *buf = ioc->buf;
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printk(" cmd: %d buf: 0x%08x len: %d\n",ioc->cmd,&(ioc->buf),ioc->len);
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@ -686,12 +691,12 @@ static int new_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) {
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printk(" recv: ->");
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print_buffer(ioc->len, buf);
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printk(" ret: %d\n", ret);
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#endif
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} else {
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ret = old_ioctl(dev,ifr,cmd);
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}
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return ret;
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}
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#endif
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static int __init wlcompat_init()
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{
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@ -699,7 +704,7 @@ static int __init wlcompat_init()
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char *devname = "eth0";
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while (!found && (dev = dev_get_by_name(devname))) {
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if ((wl_ioctl(dev, WLC_GET_MAGIC, &i, sizeof(i)) == 0) && i == WLC_IOCTL_MAGIC)
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if ((dev->wireless_handlers == NULL) && ((wl_ioctl(dev, WLC_GET_MAGIC, &i, sizeof(i)) == 0) && i == WLC_IOCTL_MAGIC))
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found = 1;
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devname[3]++;
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}
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@ -710,10 +715,8 @@ static int __init wlcompat_init()
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}
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#ifdef DEBUG
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old_ioctl = dev->do_ioctl;
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dev->do_ioctl = new_ioctl;
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#endif
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dev->wireless_handlers = (struct iw_handler_def *)&wlcompat_handler_def;
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return 0;
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}
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@ -721,9 +724,7 @@ static int __init wlcompat_init()
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static void __exit wlcompat_exit()
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{
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dev->wireless_handlers = NULL;
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#ifdef DEBUG
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dev->do_ioctl = old_ioctl;
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#endif
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return;
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}
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