-// 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 <net/iw_handler.h>
#include <wlioctl.h>
-
-#define DEBUG
+#include <wlcompat.h>
static struct net_device *dev;
+char buf[WLC_IOCTL_MAXLEN];
/* The frequency of each channel in MHz */
const long channel_frequency[] = {
};
#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();
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)
{
range->pmt_flags = IW_POWER_TIMEOUT;
range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_UNICAST_R;
- range->min_rts = 0;
- range->max_rts = 2347;
- range->min_frag = 256;
- range->max_frag = 2346;
-
range->min_pmp = 0;
range->max_pmp = 65535000;
range->min_pmt = 0;
range->max_pmt = 65535 * 1000;
+ range->min_rts = 0;
+ if (wl_ioctl(dev, WLC_GET_RTS, &range->max_rts, sizeof(int)) < 0)
+ range->max_rts = 2347;
+
+ range->min_frag = 256;
+
+ if (wl_ioctl(dev, WLC_GET_FRAG, &range->max_frag, sizeof(int)) < 0)
+ range->max_frag = 2346;
+
range->txpower_capa = IW_TXPOW_MWATT;
return 0;
}
+
+static int wlcompat_set_scan(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ int ap = 0, oldap = 0;
+ wl_scan_params_t params;
+
+ memset(¶ms, 0, sizeof(params));
+
+ /* use defaults (same parameters as wl scan) */
+ memset(¶ms.bssid, 0xff, sizeof(params.bssid));
+ params.bss_type = DOT11_BSSTYPE_ANY;
+ params.scan_type = -1;
+ params.nprobes = -1;
+ params.active_time = -1;
+ params.passive_time = -1;
+ params.home_time = -1;
+
+ /* can only scan in STA mode */
+ wl_ioctl(dev, WLC_GET_AP, &oldap, sizeof(oldap));
+ if (oldap > 0)
+ wl_ioctl(dev, WLC_SET_AP, &ap, sizeof(ap));
+
+ if (wl_ioctl(dev, WLC_SCAN, ¶ms, 64) < 0)
+ return -EINVAL;
+
+ if (oldap > 0)
+ wl_ioctl(dev, WLC_SET_AP, &oldap, sizeof(oldap));
+
+ return 0;
+}
+
+
+static int wlcompat_get_scan(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ wl_scan_results_t *results = (wl_scan_results_t *) buf;
+ wl_bss_info_t *bss_info;
+ char *info_ptr;
+ char *current_ev = extra;
+ char *current_val;
+ char *end_buf = extra + IW_SCAN_MAX_DATA;
+ struct iw_event iwe;
+ int i, j;
+
+ if (wl_ioctl(dev, WLC_SCAN_RESULTS, buf, WLC_IOCTL_MAXLEN) < 0)
+ return -EAGAIN;
+
+ bss_info = &(results->bss_info[0]);
+ info_ptr = (char *) bss_info;
+ for (i = 0; i < results->count; i++) {
+
+ /* send the cell address (must be sent first) */
+ iwe.cmd = SIOCGIWAP;
+ iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
+ memcpy(&iwe.u.ap_addr.sa_data, &bss_info->BSSID, sizeof(bss_info->BSSID));
+ current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
+
+ /* send the ESSID */
+ iwe.cmd = SIOCGIWESSID;
+ iwe.u.data.length = bss_info->SSID_len;
+ if (iwe.u.data.length > IW_ESSID_MAX_SIZE)
+ iwe.u.data.length = IW_ESSID_MAX_SIZE;
+ iwe.u.data.flags = 1;
+ current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss_info->SSID);
+
+ /* send frequency/channel info */
+ iwe.cmd = SIOCGIWFREQ;
+ iwe.u.freq.e = 0;
+ iwe.u.freq.m = bss_info->channel;
+ current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
+
+ /* add quality statistics */
+ iwe.cmd = IWEVQUAL;
+ iwe.u.qual.level = bss_info->RSSI;
+ iwe.u.qual.noise = bss_info->phy_noise;
+ iwe.u.qual.qual = 0;
+ current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
+
+ /* send rate information */
+ iwe.cmd = SIOCGIWRATE;
+ current_val = current_ev + IW_EV_LCP_LEN;
+ iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
+
+ 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_ev = current_val;
+
+ info_ptr += sizeof(wl_bss_info_t);
+ if (bss_info->ie_length % 4)
+ info_ptr += bss_info->ie_length + 4 - (bss_info->ie_length % 4);
+ else
+ info_ptr += bss_info->ie_length;
+ bss_info = (wl_bss_info_t *) info_ptr;
+ }
+
+ wrqu->data.length = (current_ev - extra);
+ wrqu->data.flags = 0;
+
+ return 0;
+}
+
static int wlcompat_ioctl(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu,
} else {
return -EINVAL;
}
+ 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:
{
return -EINVAL;
break;
}
+ case SIOCSIWRTS:
+ {
+ if (wl_ioctl(dev,WLC_SET_RTS,&(wrqu->rts.value),sizeof(int)) < 0)
+ return -EINVAL;
+ break;
+ }
case SIOCGIWFRAG:
{
if (wl_ioctl(dev,WLC_GET_FRAG,&(wrqu->frag.value),sizeof(int)) < 0)
return -EINVAL;
break;
}
+ case SIOCSIWFRAG:
+ {
+ if (wl_ioctl(dev,WLC_SET_FRAG,&(wrqu->frag.value),sizeof(int)) < 0)
+ return -EINVAL;
+ break;
+ }
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;
+
+ wrqu->txpower.value &= ~WL_TXPWR_OVERRIDE;
+
wrqu->txpower.fixed = 0;
wrqu->txpower.disabled = 0;
wrqu->txpower.flags = IW_TXPOW_MWATT;
}
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 (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:
{
- 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:
return wlcompat_ioctl_getiwrange(dev, extra);
break;
}
+ case SIOCSIWMODE:
+ {
+ int ap = -1, infra = -1, passive = 0, wet = 0;
+
+ switch (wrqu->mode) {
+ case IW_MODE_MONITOR:
+ passive = 1;
+ break;
+ case IW_MODE_ADHOC:
+ infra = 0;
+ ap = 0;
+ break;
+ case IW_MODE_MASTER:
+ infra = 1;
+ ap = 1;
+ break;
+ case IW_MODE_INFRA:
+ infra = 1;
+ ap = 0;
+ break;
+ case IW_MODE_REPEAT:
+ infra = 1;
+ ap = 0;
+ wet = 1;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (wl_ioctl(dev, WLC_SET_PASSIVE, &passive, sizeof(passive)) < 0)
+ return -EINVAL;
+ if (wl_ioctl(dev, WLC_SET_MONITOR, &passive, sizeof(passive)) < 0)
+ return -EINVAL;
+ if (wl_ioctl(dev, WLC_SET_WET, &wet, sizeof(wet)) < 0)
+ return -EINVAL;
+ if (ap >= 0)
+ if (wl_ioctl(dev, WLC_SET_AP, &ap, sizeof(ap)) < 0)
+ return -EINVAL;
+ if (infra >= 0)
+ if (wl_ioctl(dev, WLC_SET_INFRA, &infra, sizeof(infra)) < 0)
+ return -EINVAL;
+
+ break;
+
+ }
+ case SIOCGIWMODE:
+ {
+ int ap, infra, wet, passive;
+
+ if (wl_ioctl(dev, WLC_GET_AP, &ap, sizeof(ap)) < 0)
+ return -EINVAL;
+ if (wl_ioctl(dev, WLC_GET_INFRA, &infra, sizeof(infra)) < 0)
+ return -EINVAL;
+ if (wl_ioctl(dev, WLC_GET_PASSIVE, &passive, sizeof(passive)) < 0)
+ return -EINVAL;
+ if (wl_ioctl(dev, WLC_GET_WET, &wet, sizeof(wet)) < 0)
+ return -EINVAL;
+
+ if (passive) {
+ wrqu->mode = IW_MODE_MONITOR;
+ } else if (!infra) {
+ wrqu->mode = IW_MODE_ADHOC;
+ } else {
+ if (ap) {
+ wrqu->mode = IW_MODE_MASTER;
+ } else {
+ if (wet) {
+ wrqu->mode = IW_MODE_REPEAT;
+ } else {
+ wrqu->mode = IW_MODE_INFRA;
+ }
+ }
+ }
+ break;
+ }
default:
{
+ if (info->cmd >= SIOCIWFIRSTPRIV)
+ return wlcompat_private_ioctl(dev, info, wrqu, extra);
+
return -EINVAL;
}
}
NULL, /* SIOCGIWNWID */
wlcompat_ioctl, /* SIOCSIWFREQ */
wlcompat_ioctl, /* SIOCGIWFREQ */
- NULL, /* SIOCSIWMODE */
- NULL, /* SIOCGIWMODE */
+ wlcompat_ioctl, /* SIOCSIWMODE */
+ wlcompat_ioctl, /* SIOCGIWMODE */
NULL, /* SIOCSIWSENS */
NULL, /* SIOCGIWSENS */
- NULL, /* SIOCSIWRANGE */
+ NULL, /* SIOCSIWRANGE, unused */
wlcompat_ioctl, /* SIOCGIWRANGE */
NULL, /* SIOCSIWPRIV */
NULL, /* SIOCGIWPRIV */
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 */
- NULL, /* -- hole -- */
- NULL, /* -- hole -- */
+ wlcompat_set_scan, /* SIOCSIWSCAN */
+ wlcompat_get_scan, /* SIOCGIWSCAN */
wlcompat_ioctl, /* SIOCSIWESSID */
wlcompat_ioctl, /* SIOCGIWESSID */
NULL, /* SIOCSIWNICKN */
NULL, /* -- hole -- */
NULL, /* SIOCSIWRATE */
NULL, /* SIOCGIWRATE */
- NULL, /* SIOCSIWRTS */
+ wlcompat_ioctl, /* SIOCSIWRTS */
wlcompat_ioctl, /* SIOCGIWRTS */
- NULL, /* SIOCSIWFRAG */
+ wlcompat_ioctl, /* SIOCSIWFRAG */
wlcompat_ioctl, /* SIOCGIWFRAG */
wlcompat_ioctl, /* SIOCSIWTXPOW */
wlcompat_ioctl, /* SIOCGIWTXPOW */
wlcompat_ioctl, /* SIOCGIWENCODE */
};
-static const struct iw_handler_def wlcompat_handler_def =
+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 WLCOMPAT_SET_MONITOR:
+ {
+ if (wl_ioctl(dev, WLC_SET_MONITOR, value, sizeof(int)) < 0)
+ return -EINVAL;
+
+ break;
+ }
+ case WLCOMPAT_GET_MONITOR:
+ {
+ if (wl_ioctl(dev, WLC_GET_MONITOR, extra, sizeof(int)) < 0)
+ return -EINVAL;
+
+ break;
+ }
+ case WLCOMPAT_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 WLCOMPAT_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 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[] =
+{
+ wlcompat_private_ioctl,
+ NULL
+};
+
+
+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 = 1,
+ .private_args = wlcompat_private_args,
+ .num_private_args = sizeof(wlcompat_private_args) / sizeof(wlcompat_private_args[0])
};
+
#ifdef DEBUG
+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");
+
+}
+#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 = old_ioctl(dev,ifr,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) {
- int x;
+#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);
- 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);
+#endif
+ } else {
+ ret = old_ioctl(dev,ifr,cmd);
}
return ret;
}
-#endif
static int __init wlcompat_init()
{
- dev = dev_get_by_name("eth1");
-#ifdef DEBUG
+ int found = 0, i;
+ char *devname = "eth0";
+
+ while (!found && (dev = dev_get_by_name(devname))) {
+ if ((dev->wireless_handlers == NULL) && ((wl_ioctl(dev, WLC_GET_MAGIC, &i, sizeof(i)) == 0) && i == WLC_IOCTL_MAGIC))
+ found = 1;
+ devname[3]++;
+ }
+
+ if (!found) {
+ printk("No Broadcom devices found.\n");
+ return -ENODEV;
+ }
+
+
old_ioctl = dev->do_ioctl;
dev->do_ioctl = new_ioctl;
-#endif
dev->wireless_handlers = (struct iw_handler_def *)&wlcompat_handler_def;
return 0;
}
static void __exit wlcompat_exit()
{
dev->wireless_handlers = NULL;
-#ifdef DEBUG
dev->do_ioctl = old_ioctl;
-#endif
return;
}
projects / openwrt.git / blobdiff