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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

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@882 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2005-05-13 19:01:32 +00:00
parent dd755e947f
commit 9ce0730f9d
2 changed files with 82 additions and 49 deletions
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32
package/openwrt/include/wlcompat.h Normal file
View File

@ -0,0 +1,32 @@
/*
* wlcompat.h
*
* Copyright (C) 2005 Felix Fietkau <nbd@vd-s.ath.cx>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Id$
*/
#include <linux/wireless.h>
#ifndef WLCOMPAT_H
#define WLCOMPAT_H
#define WLCOMPAT_SET_MONITOR SIOCIWFIRSTPRIV + 0
#define WLCOMPAT_GET_MONITOR SIOCIWFIRSTPRIV + 1
#define WLCOMPAT_SET_TXPWR_LIMIT SIOCIWFIRSTPRIV + 2
#define WLCOMPAT_GET_TXPWR_LIMIT SIOCIWFIRSTPRIV + 3
#endif

99
package/openwrt/wlcompat.c
View File

@ -31,6 +31,7 @@
#include <net/iw_handler.h>
#include <wlioctl.h>
#include <wlcompat.h>
static struct net_device *dev;
char buf[WLC_IOCTL_MAXLEN];
@ -549,35 +550,6 @@ static const iw_handler wlcompat_handler[] = {
wlcompat_ioctl, /* SIOCGIWENCODE */
};
#define PRIV_SET_MONITOR SIOCIWFIRSTPRIV + 0
#define PRIV_GET_MONITOR SIOCIWFIRSTPRIV + 1
#define PRIV_SET_TXPWR_LIMIT SIOCIWFIRSTPRIV + 2
#define PRIV_GET_TXPWR_LIMIT SIOCIWFIRSTPRIV + 3
static const struct iw_priv_args wlcompat_private_args[] =
{
{ PRIV_SET_MONITOR,
IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
0,
"set_monitor"
},
{ PRIV_GET_MONITOR,
0,
IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
"get_monitor"
},
{ PRIV_SET_TXPWR_LIMIT,
IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
0,
"set_txpwr_force"
},
{ PRIV_GET_TXPWR_LIMIT,
0,
IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
"get_txpwr_force"
}
};
static int wlcompat_private_ioctl(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu,
@ -586,21 +558,21 @@ static int wlcompat_private_ioctl(struct net_device *dev,
int *value = (int *) wrqu->name;
switch (info->cmd) {
case PRIV_SET_MONITOR:
case WLCOMPAT_SET_MONITOR:
{
if (wl_ioctl(dev, WLC_SET_MONITOR, value, sizeof(int)) < 0)
return -EINVAL;
break;
}
case PRIV_GET_MONITOR:
case WLCOMPAT_GET_MONITOR:
{
if (wl_ioctl(dev, WLC_GET_MONITOR, extra, sizeof(int)) < 0)
return -EINVAL;
break;
}
case PRIV_SET_TXPWR_LIMIT:
case WLCOMPAT_SET_TXPWR_LIMIT:
{
int val;
@ -618,7 +590,7 @@ static int wlcompat_private_ioctl(struct net_device *dev,
break;
}
case PRIV_GET_TXPWR_LIMIT:
case WLCOMPAT_GET_TXPWR_LIMIT:
{
if (wl_get_val(dev, "qtxpower", value, sizeof(int)) < 0)
return -EINVAL;
@ -636,29 +608,49 @@ static int wlcompat_private_ioctl(struct net_device *dev,
return 0;
}
static const struct iw_priv_args wlcompat_private_args[] =
{
{ WLCOMPAT_SET_MONITOR,
IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
0,
"set_monitor"
},
{ WLCOMPAT_GET_MONITOR,
0,
IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
"get_monitor"
},
{ WLCOMPAT_SET_TXPWR_LIMIT,
IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
0,
"set_txpwr_force"
},
{ WLCOMPAT_GET_TXPWR_LIMIT,
0,
IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
"get_txpwr_force"
}
};
static const iw_handler wlcompat_private[] =
static const iw_handler wlcompat_private[] =
{
wlcompat_private_ioctl,
wlcompat_private_ioctl,
wlcompat_private_ioctl,
wlcompat_private_ioctl
NULL
};
static const struct iw_handler_def wlcompat_handler_def =
static const struct iw_handler_def wlcompat_handler_def =
{
.standard = (iw_handler *) wlcompat_handler,
.num_standard = sizeof(wlcompat_handler)/sizeof(iw_handler),
.private = wlcompat_private,
.num_private = sizeof(wlcompat_private)/sizeof(iw_handler),
.private_args = wlcompat_private_args,
.num_private_args = sizeof(wlcompat_private_args)/sizeof(struct iw_priv_args),
.num_private = 1,
.private_args = wlcompat_private_args,
.num_private_args = sizeof(wlcompat_private_args) / sizeof(wlcompat_private_args[0])
};
#ifdef DEBUG
static int (*old_ioctl)(struct net_device *dev, struct ifreq *ifr, int cmd);
void print_buffer(int len, unsigned char *buf) {
int x;
if (buf != NULL) {
@ -673,10 +665,23 @@ void print_buffer(int len, unsigned char *buf) {
printk("\n");
}
#endif
static int (*old_ioctl)(struct net_device *dev, struct ifreq *ifr, int cmd);
static int new_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) {
int ret = 0;
struct iwreq *iwr = (struct iwreq *) ifr;
struct iw_request_info info;
#ifdef DEBUG
printk("dev: %s ioctl: 0x%04x\n",dev->name,cmd);
if (cmd==SIOCDEVPRIVATE) {
#endif
if (cmd >= SIOCIWFIRSTPRIV) {
info.cmd = cmd;
info.flags = 0;
ret = wlcompat_private_ioctl(dev, &info, &(iwr->u), (char *) &(iwr->u));
#ifdef DEBUG
} else if (cmd==SIOCDEVPRIVATE) {
wl_ioctl_t *ioc = (wl_ioctl_t *)ifr->ifr_data;
unsigned char *buf = ioc->buf;
printk(" cmd: %d buf: 0x%08x len: %d\n",ioc->cmd,&(ioc->buf),ioc->len);
@ -686,12 +691,12 @@ static int new_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) {
printk(" recv: ->");
print_buffer(ioc->len, buf);
printk(" ret: %d\n", ret);
#endif
} else {
ret = old_ioctl(dev,ifr,cmd);
}
return ret;
}
#endif
static int __init wlcompat_init()
{
@ -699,7 +704,7 @@ static int __init wlcompat_init()
char *devname = "eth0";
while (!found && (dev = dev_get_by_name(devname))) {
if ((wl_ioctl(dev, WLC_GET_MAGIC, &i, sizeof(i)) == 0) && i == WLC_IOCTL_MAGIC)
if ((dev->wireless_handlers == NULL) && ((wl_ioctl(dev, WLC_GET_MAGIC, &i, sizeof(i)) == 0) && i == WLC_IOCTL_MAGIC))
found = 1;
devname[3]++;
}
@ -710,10 +715,8 @@ static int __init wlcompat_init()
}
#ifdef DEBUG
old_ioctl = dev->do_ioctl;
dev->do_ioctl = new_ioctl;
#endif
dev->wireless_handlers = (struct iw_handler_def *)&wlcompat_handler_def;
return 0;
}
@ -721,9 +724,7 @@ static int __init wlcompat_init()
static void __exit wlcompat_exit()
{
dev->wireless_handlers = NULL;
#ifdef DEBUG
dev->do_ioctl = old_ioctl;
#endif
return;
}