add rml's netdev-random patch and modify et to use it (finally some entropy on /dev...

[openwrt.git] / package / openwrt / wlcompat.c

diff --git a/package/openwrt/wlcompat.c b/package/openwrt/wlcompat.c
index eb85a9e..74dcdf2 100644 (file)
--- a/package/openwrt/wlcompat.c
+++ b/package/openwrt/wlcompat.c
@@ -1,5 +1,26 @@
-// insert header here
-// mbm. gpl.
+/*
+ * wlcompat.c
+ *
+ * Copyright (C) 2005 Mike Baker,
+ *                    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/config.h>
 #include <linux/module.h>
 
 #include <linux/config.h>
 #include <linux/module.h>


@@ -11,8 +32,6 @@
 #include <net/iw_handler.h>
 #include <wlioctl.h>
 
 #include <net/iw_handler.h>
 #include <wlioctl.h>
 

-#define DEBUG
-

 static struct net_device *dev;
 char buf[WLC_IOCTL_MAXLEN];
 
 static struct net_device *dev;
 char buf[WLC_IOCTL_MAXLEN];
 


@@ -23,6 +42,11 @@ const long channel_frequency[] = {
 };
 #define NUM_CHANNELS ( sizeof(channel_frequency) / sizeof(channel_frequency[0]) )
 
 };
 #define NUM_CHANNELS ( sizeof(channel_frequency) / sizeof(channel_frequency[0]) )
 

+static int wlcompat_private_ioctl(struct net_device *dev,
+                        struct iw_request_info *info,
+                        union iwreq_data *wrqu,
+                        char *extra);
+

 static int wl_ioctl(struct net_device *dev, int cmd, void *buf, int len)
 {
        mm_segment_t old_fs = get_fs();
 static int wl_ioctl(struct net_device *dev, int cmd, void *buf, int len)
 {
        mm_segment_t old_fs = get_fs();


@@ -40,6 +64,43 @@ static int wl_ioctl(struct net_device *dev, int cmd, void *buf, int len)
        return ret;
 }
 
        return ret;
 }
 

+static int wl_set_val(struct net_device *dev, char *var, void *val, int len)
+{
+       char buf[128];
+       int buf_len;
+
+       /* check for overflow */
+       if ((buf_len = strlen(var)) + 1 + len > sizeof(buf))
+               return -1;
+       
+       strcpy(buf, var);
+       buf_len += 1;
+
+       /* append int value onto the end of the name string */
+       memcpy(&buf[buf_len], val, len);
+       buf_len += len;
+
+       return wl_ioctl(dev, WLC_SET_VAR, buf, buf_len);
+}
+
+static int wl_get_val(struct net_device *dev, char *var, void *val, int len)
+{
+       char buf[128];
+       int ret;
+
+       /* check for overflow */
+       if (strlen(var) + 1 > sizeof(buf) || len > sizeof(buf))
+               return -1;
+       
+       strcpy(buf, var);
+       if ((ret = wl_ioctl(dev, WLC_GET_VAR, buf, sizeof(buf))))
+               return ret;
+
+       memcpy(val, buf, len);
+       return 0;
+}
+
+

 static int wlcompat_ioctl_getiwrange(struct net_device *dev,
                                    char *extra)
 {
 static int wlcompat_ioctl_getiwrange(struct net_device *dev,
                                    char *extra)
 {


@@ -137,7 +198,7 @@ static int wlcompat_get_scan(struct net_device *dev,
        char *current_val;
        char *end_buf = extra + IW_SCAN_MAX_DATA;
        struct iw_event iwe;
        char *current_val;
        char *end_buf = extra + IW_SCAN_MAX_DATA;
        struct iw_event iwe;

-       int i;
+       int i, j;

 
        if (wl_ioctl(dev, WLC_SCAN_RESULTS, buf, WLC_IOCTL_MAXLEN) < 0)
                return -EAGAIN;
 
        if (wl_ioctl(dev, WLC_SCAN_RESULTS, buf, WLC_IOCTL_MAXLEN) < 0)
                return -EAGAIN;


@@ -178,8 +239,8 @@ static int wlcompat_get_scan(struct net_device *dev,
                current_val = current_ev + IW_EV_LCP_LEN;
                iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
                
                current_val = current_ev + IW_EV_LCP_LEN;
                iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
                

-               for(i = 0 ; i < bss_info->rateset.count ; i++) {
-                       iwe.u.bitrate.value = ((bss_info->rateset.rates[i] & 0x7f) * 500000);
+               for(j = 0 ; j < bss_info->rateset.count ; j++) {
+                       iwe.u.bitrate.value = ((bss_info->rateset.rates[j] & 0x7f) * 500000);

                        current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
                }
                if((current_val - current_ev) > IW_EV_LCP_LEN)
                        current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
                }
                if((current_val - current_ev) > IW_EV_LCP_LEN)


@@ -241,6 +302,16 @@ static int wlcompat_ioctl(struct net_device *dev,
                        }
                        break;
                }
                        }
                        break;
                }

+               case SIOCSIWAP:
+               {
+                       if (wrqu->ap_addr.sa_family != ARPHRD_ETHER)
+                               return -EINVAL;
+
+                       if (wl_ioctl(dev,WLC_SET_BSSID,wrqu->ap_addr.sa_data,6) < 0)
+                               return -EINVAL;
+
+                       break;
+               }

                case SIOCGIWAP:
                {
                        wrqu->ap_addr.sa_family = ARPHRD_ETHER;
                case SIOCGIWAP:
                {
                        wrqu->ap_addr.sa_family = ARPHRD_ETHER;


@@ -298,9 +369,11 @@ static int wlcompat_ioctl(struct net_device *dev,
                }
                case SIOCGIWTXPOW:
                {
                }
                case SIOCGIWTXPOW:
                {

-                       wrqu->txpower.value = 0;
-                       if (wl_ioctl(dev,WLC_GET_TXPWR, &(wrqu->txpower.value), sizeof(int)) < 0)
+                       if (wl_get_val(dev, "qtxpower", &(wrqu->txpower.value), sizeof(int)) < 0)

                                return -EINVAL;
                                return -EINVAL;

+                       
+                       wrqu->txpower.value &= ~WL_TXPWR_OVERRIDE;
+                               

                        wrqu->txpower.fixed = 0;
                        wrqu->txpower.disabled = 0;
                        wrqu->txpower.flags = IW_TXPOW_MWATT;
                        wrqu->txpower.fixed = 0;
                        wrqu->txpower.disabled = 0;
                        wrqu->txpower.flags = IW_TXPOW_MWATT;


@@ -308,15 +381,33 @@ static int wlcompat_ioctl(struct net_device *dev,
                }
                case SIOCSIWTXPOW:
                {
                }
                case SIOCSIWTXPOW:
                {

+                       int override;
+                       
+                       if (wl_get_val(dev, "qtxpower", &override, sizeof(int)) < 0)
+                               return -EINVAL;
+                       
+                       wrqu->txpower.value |= override & WL_TXPWR_OVERRIDE;
+                       

                        if (wrqu->txpower.flags != IW_TXPOW_MWATT)
                                return -EINVAL;
 
                        if (wrqu->txpower.flags != IW_TXPOW_MWATT)
                                return -EINVAL;
 

-                       if (wl_ioctl(dev, WLC_SET_TXPWR, &wrqu->txpower.value, sizeof(int)) < 0)
+                       if (wl_set_val(dev, "qtxpower", &wrqu->txpower.value, sizeof(int)) < 0)

                                return -EINVAL;
                }
                case SIOCGIWENCODE:
                {
                                return -EINVAL;
                }
                case SIOCGIWENCODE:
                {

-                       wrqu->data.flags = IW_ENCODE_DISABLED;
+                       int val = 0;
+                       if (wl_ioctl(dev, WLC_GET_WEP, &val, sizeof(val)) < 0)
+                               return -EINVAL;
+                       
+                       if (val > 0) {
+                               wrqu->data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
+                       } else {
+                               wrqu->data.flags = IW_ENCODE_DISABLED;
+                       }
+                               
+                               
+                       

                        break;
                }
                case SIOCGIWRANGE:
                        break;
                }
                case SIOCGIWRANGE:


@@ -401,6 +492,9 @@ static int wlcompat_ioctl(struct net_device *dev,
                }
                default:
                {
                }
                default:
                {

+                       if (info->cmd >= SIOCIWFIRSTPRIV)
+                               return wlcompat_private_ioctl(dev, info, wrqu, extra);
+

                        return -EINVAL;
                }
        }
                        return -EINVAL;
                }
        }


@@ -429,7 +523,7 @@ static const iw_handler      wlcompat_handler[] = {
        iw_handler_get_spy,     /* SIOCGIWSPY */
        iw_handler_set_thrspy,  /* SIOCSIWTHRSPY */
        iw_handler_get_thrspy,  /* SIOCGIWTHRSPY */
        iw_handler_get_spy,     /* SIOCGIWSPY */
        iw_handler_set_thrspy,  /* SIOCSIWTHRSPY */
        iw_handler_get_thrspy,  /* SIOCGIWTHRSPY */

-       NULL,                   /* SIOCSIWAP */
+       wlcompat_ioctl,         /* SIOCSIWAP */

        wlcompat_ioctl,         /* SIOCGIWAP */
        NULL,                   /* -- hole -- */
        NULL,                   /* SIOCGIWAPLIST */
        wlcompat_ioctl,         /* SIOCGIWAP */
        NULL,                   /* -- hole -- */
        NULL,                   /* SIOCGIWAPLIST */


@@ -455,31 +549,145 @@ static const iw_handler   wlcompat_handler[] = {
        wlcompat_ioctl,         /* SIOCGIWENCODE */
 };
 
        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,
+                        char *extra)
+{
+       int *value = (int *) wrqu->name;
+
+       switch (info->cmd) {
+               case PRIV_SET_MONITOR:
+               {
+                       if (wl_ioctl(dev, WLC_SET_MONITOR, value, sizeof(int)) < 0)
+                               return -EINVAL;
+
+                       break;
+               }
+               case PRIV_GET_MONITOR:
+               {
+                       if (wl_ioctl(dev, WLC_GET_MONITOR, extra, sizeof(int)) < 0)
+                               return -EINVAL;
+
+                       break;
+               }
+               case PRIV_SET_TXPWR_LIMIT:
+               {
+                       int val;
+                       
+
+                       if (wl_get_val(dev, "qtxpower", &val, sizeof(int)) < 0)
+                               return -EINVAL;
+                       
+                       if (*extra > 0)
+                               val |= WL_TXPWR_OVERRIDE;
+                       else
+                               val &= ~WL_TXPWR_OVERRIDE;
+                       
+                       if (wl_set_val(dev, "qtxpower", &val, sizeof(int)) < 0)
+                               return -EINVAL;
+                       
+                       break;
+               }
+               case PRIV_GET_TXPWR_LIMIT:
+               {
+                       if (wl_get_val(dev, "qtxpower", value, sizeof(int)) < 0)
+                               return -EINVAL;
+
+                       *value = ((*value & WL_TXPWR_OVERRIDE) == WL_TXPWR_OVERRIDE ? 1 : 0);
+
+                       break;
+               }
+               default:
+               {
+                       return -EINVAL;
+               }
+                       
+       }
+       return 0;
+}
+
+
+static const iw_handler        wlcompat_private[] = 
+{
+       wlcompat_private_ioctl,
+       wlcompat_private_ioctl,
+       wlcompat_private_ioctl,
+       wlcompat_private_ioctl
+};
+
+

 static const struct iw_handler_def      wlcompat_handler_def =
 {
        .standard       = (iw_handler *) wlcompat_handler,
        .num_standard   = sizeof(wlcompat_handler)/sizeof(iw_handler),
 static const struct iw_handler_def      wlcompat_handler_def =
 {
        .standard       = (iw_handler *) wlcompat_handler,
        .num_standard   = sizeof(wlcompat_handler)/sizeof(iw_handler),

-       .private        = NULL,
-       .num_private    = 0,
-       .private_args   = NULL, 
-       .num_private_args = 0,
+       .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),

 };
 
 };
 

+

 #ifdef DEBUG
 static int (*old_ioctl)(struct net_device *dev, struct ifreq *ifr, int cmd);
 #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) {
+               for (x=0;x<len && x<180 ;x++) {
+                       if ((x % 4) == 0)
+                               printk(" ");
+                       printk("%02X",buf[x]);
+               }
+       } else {
+               printk(" NULL");
+       }
+       printk("\n");
+
+}

 static int new_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 = old_ioctl(dev,ifr,cmd);
+       int ret = 0;

        printk("dev: %s ioctl: 0x%04x\n",dev->name,cmd);
        if (cmd==SIOCDEVPRIVATE) {
        printk("dev: %s ioctl: 0x%04x\n",dev->name,cmd);
        if (cmd==SIOCDEVPRIVATE) {

-               int x;

                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);
                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);

-               printk("   ->");
-               for (x=0;x<ioc->len && x<128 ;x++) {
-                       printk("%02X",buf[x]);
-               }
-               printk("\n");
+               printk("   send: ->");
+               print_buffer(ioc->len, buf);
+               ret = old_ioctl(dev,ifr,cmd);
+               printk("   recv: ->");
+               print_buffer(ioc->len, buf);
+               printk("   ret: %d\n", ret);
+       } else {
+               ret = old_ioctl(dev,ifr,cmd);

        }
        return ret;
 }
        }
        return ret;
 }


@@ -487,7 +695,23 @@ static int new_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) {
 
 static int __init wlcompat_init()
 {
 
 static int __init wlcompat_init()
 {

-       dev = dev_get_by_name("eth1");
+       int found = 0, i;
+       char *devname = "eth0";
+       
+       while (!found && devname[3] < '3') {
+               devname[3]++;
+               
+               dev = dev_get_by_name(devname);
+               if ((wl_ioctl(dev, WLC_GET_MAGIC, &i, sizeof(i)) == 0) && i == WLC_IOCTL_MAGIC)
+                       found = 1;
+       }
+       
+       if (!found) {
+               printk("No Broadcom devices found.\n");
+               return -ENODEV;
+       }
+               
+

 #ifdef DEBUG
        old_ioctl = dev->do_ioctl;
        dev->do_ioctl = new_ioctl;
 #ifdef DEBUG
        old_ioctl = dev->do_ioctl;
        dev->do_ioctl = new_ioctl;