* wlcompat.c
*
* Copyright (C) 2005 Mike Baker,
- * Felix Fietkau <nbd@vd-s.ath.cx>
+ * Felix Fietkau <openwrt@nbd.name>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
#include <net/iw_handler.h>
#include <wlioctl.h>
-#include <wlcompat.h>
static struct net_device *dev;
+static unsigned short bss_force;
+static struct iw_statistics wstats;
char buf[WLC_IOCTL_MAXLEN];
/* The frequency of each channel in MHz */
};
#define NUM_CHANNELS ( sizeof(channel_frequency) / sizeof(channel_frequency[0]) )
+typedef struct internal_wsec_key {
+ uint8 index; // 0x00
+ uint8 unknown_1; // 0x01
+ uint8 type; // 0x02
+ uint8 unknown_2[7]; // 0x03
+ uint8 len; // 0x0a
+ uint8 pad[3];
+ char data[32]; // 0x0e
+} wkey;
static int wlcompat_private_ioctl(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu,
char *extra);
+#ifdef DEBUG
+void print_buffer(int len, unsigned char *buf);
+#endif
static int wl_ioctl(struct net_device *dev, int cmd, void *buf, int len)
{
{
char buf[128];
int buf_len;
+ int ret;
/* check for overflow */
if ((buf_len = strlen(var)) + 1 + len > sizeof(buf))
buf_len += 1;
/* append int value onto the end of the name string */
- memcpy(&buf[buf_len], val, len);
+ memcpy(&(buf[buf_len]), val, len);
buf_len += len;
- return wl_ioctl(dev, WLC_SET_VAR, buf, buf_len);
+ ret = wl_ioctl(dev, WLC_SET_VAR, buf, buf_len);
+ return ret;
}
static int wl_get_val(struct net_device *dev, char *var, void *val, int len)
{
char buf[128];
+ int buf_len;
int ret;
/* check for overflow */
- if (strlen(var) + 1 > sizeof(buf) || len > sizeof(buf))
+ if ((buf_len = strlen(var)) + 1 > sizeof(buf) || len > sizeof(buf))
return -1;
strcpy(buf, var);
- if ((ret = wl_ioctl(dev, WLC_GET_VAR, buf, sizeof(buf))))
+ if (ret = wl_ioctl(dev, WLC_GET_VAR, buf, buf_len + len))
return ret;
memcpy(val, buf, len);
return 0;
}
-int read_shmem(struct net_device *dev, int offset)
+int get_primary_key(struct net_device *dev)
{
- if (wl_ioctl(dev, WLC_GET_SHMEM, &offset, sizeof(offset)) < 0)
- return -EINVAL;
-
- return offset;
+ int key, val;
+
+ for (key = val = 0; (key < 4) && (val == 0); key++) {
+ val = key;
+ if (wl_ioctl(dev, WLC_GET_KEY_PRIMARY, &val, sizeof(val)) < 0)
+ return -EINVAL;
+ }
+ return key;
}
+
static int wlcompat_ioctl_getiwrange(struct net_device *dev,
char *extra)
{
range->min_pmt = 0;
range->max_pmt = 65535 * 1000;
+ range->max_qual.qual = 0;
+ range->max_qual.level = 100;
+ range->max_qual.noise = 100;
+
range->min_rts = 0;
if (wl_ioctl(dev, WLC_GET_RTS, &range->max_rts, sizeof(int)) < 0)
range->max_rts = 2347;
if (wl_ioctl(dev, WLC_GET_FRAG, &range->max_frag, sizeof(int)) < 0)
range->max_frag = 2346;
- range->txpower_capa = IW_TXPOW_MWATT;
+ range->txpower_capa = IW_TXPOW_DBM;
return 0;
}
}
+struct iw_statistics *wlcompat_get_wireless_stats(struct net_device *dev)
+{
+ wl_bss_info_t *bss_info = (wl_bss_info_t *) buf;
+ get_pktcnt_t pkt;
+ int rssi, noise;
+
+ memset(&wstats, 0, sizeof(wstats));
+ memset(&pkt, 0, sizeof(pkt));
+ memset(buf, 0, sizeof(buf));
+ bss_info->version = 0x2000;
+ wl_ioctl(dev, WLC_GET_BSS_INFO, bss_info, WLC_IOCTL_MAXLEN);
+ wl_ioctl(dev, WLC_GET_PKTCNTS, &pkt, sizeof(pkt));
+
+ // somehow the structure doesn't fit here
+ noise = buf[0x50];
+ rssi = buf[0x52];
+
+ wstats.qual.level = rssi;
+ wstats.qual.noise = -100 + noise;
+ wstats.discard.misc = pkt.rx_bad_pkt;
+ wstats.discard.retries = pkt.tx_bad_pkt;
+
+ return &wstats;
+}
+
static int wlcompat_get_scan(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu,
char *end_buf = extra + IW_SCAN_MAX_DATA;
struct iw_event iwe;
int i, j;
-
+ int rssi, noise;
+
+ results->buflen = WLC_IOCTL_MAXLEN - sizeof(wl_scan_results_t);
+
if (wl_ioctl(dev, WLC_SCAN_RESULTS, buf, WLC_IOCTL_MAXLEN) < 0)
return -EAGAIN;
/* add quality statistics */
iwe.cmd = IWEVQUAL;
+ iwe.u.qual.qual = 0;
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 */
}
case SIOCSIWFREQ:
{
- if (wrqu->freq.e == 1) {
- int channel = 0;
- int f = wrqu->freq.m / 100000;
- while ((channel < NUM_CHANNELS + 1) && (f != channel_frequency[channel]))
- channel++;
-
- if (channel == NUM_CHANNELS) // channel not found
- return -EINVAL;
-
- wrqu->freq.e = 0;
- wrqu->freq.m = channel + 1;
- }
- if ((wrqu->freq.e == 0) && (wrqu->freq.m < 1000)) {
+ if (wrqu->freq.m == -1) {
+ wrqu->freq.m = 0;
if (wl_ioctl(dev, WLC_SET_CHANNEL, &wrqu->freq.m, sizeof(int)) < 0)
return -EINVAL;
} else {
- return -EINVAL;
+ if (wrqu->freq.e == 1) {
+ int channel = 0;
+ int f = wrqu->freq.m / 100000;
+ while ((channel < NUM_CHANNELS + 1) && (f != channel_frequency[channel]))
+ channel++;
+
+ if (channel == NUM_CHANNELS) // channel not found
+ return -EINVAL;
+
+ wrqu->freq.e = 0;
+ wrqu->freq.m = channel + 1;
+ }
+ if ((wrqu->freq.e == 0) && (wrqu->freq.m < 1000)) {
+ if (wl_ioctl(dev, WLC_SET_CHANNEL, &wrqu->freq.m, sizeof(int)) < 0)
+ return -EINVAL;
+ } else {
+ return -EINVAL;
+ }
}
break;
}
case SIOCSIWAP:
{
int ap = 0;
-
+ int infra = 0;
+ rw_reg_t reg;
+
+ memset(®, 0, sizeof(reg));
+
if (wrqu->ap_addr.sa_family != ARPHRD_ETHER)
return -EINVAL;
if (wl_ioctl(dev, WLC_GET_AP, &ap, sizeof(ap)) < 0)
return -EINVAL;
-
- if (wl_ioctl(dev, (ap ? WLC_SET_BSSID : WLC_REASSOC), wrqu->ap_addr.sa_data, 6) < 0)
+
+ if (wl_ioctl(dev, WLC_GET_INFRA, &infra, sizeof(infra)) < 0)
+ return -EINVAL;
+
+ if (!infra) {
+ wl_ioctl(dev, WLC_SET_BSSID, wrqu->ap_addr.sa_data, 6);
+
+ reg.size = 4;
+ reg.byteoff = 0x184;
+ reg.val = bss_force << 16 | bss_force;
+ wl_ioctl(dev, WLC_W_REG, ®, sizeof(reg));
+
+ reg.byteoff = 0x180;
+ wl_ioctl(dev, WLC_R_REG, ®, sizeof(reg));
+ reg.val = bss_force << 16;
+ wl_ioctl(dev, WLC_W_REG, ®, sizeof(reg));
+ }
+
+ if (wl_ioctl(dev, ((ap || !infra) ? WLC_SET_BSSID : WLC_REASSOC), wrqu->ap_addr.sa_data, 6) < 0)
return -EINVAL;
break;
}
case SIOCGIWAP:
{
+#ifdef DEBUG
+ rw_reg_t reg;
+ memset(®, 0, sizeof(reg));
+
+ reg.size = 4;
+ reg.byteoff = 0x184;
+ wl_ioctl(dev, WLC_R_REG, ®, sizeof(reg));
+ printk("bss time = 0x%08x", reg.val);
+
+ reg.byteoff = 0x180;
+ wl_ioctl(dev, WLC_R_REG, ®, sizeof(reg));
+ printk("%08x\n", reg.val);
+#endif
+
wrqu->ap_addr.sa_family = ARPHRD_ETHER;
if (wl_ioctl(dev,WLC_GET_BSSID,wrqu->ap_addr.sa_data,6) < 0)
return -EINVAL;
}
case SIOCGIWTXPOW:
{
+ int radio;
+
+ wl_ioctl(dev, WLC_GET_RADIO, &radio, sizeof(int));
+
if (wl_get_val(dev, "qtxpower", &(wrqu->txpower.value), sizeof(int)) < 0)
return -EINVAL;
wrqu->txpower.value &= ~WL_TXPWR_OVERRIDE;
+ wrqu->txpower.value /= 4;
wrqu->txpower.fixed = 0;
- wrqu->txpower.disabled = 0;
- wrqu->txpower.flags = IW_TXPOW_MWATT;
+ wrqu->txpower.disabled = radio;
+ wrqu->txpower.flags = IW_TXPOW_DBM;
break;
}
case SIOCSIWTXPOW:
{
- int override;
+ /* This is weird: WLC_SET_RADIO with 1 as argument disables the radio */
+ int radio = wrqu->txpower.disabled;
+
+ wl_ioctl(dev, WLC_SET_RADIO, &radio, sizeof(int));
+
+ if (!wrqu->txpower.disabled && (wrqu->txpower.value > 0)) {
+ int value;
+
+ if (wl_get_val(dev, "qtxpower", &value, sizeof(int)) < 0)
+ return -EINVAL;
+
+ value &= WL_TXPWR_OVERRIDE;
+ wrqu->txpower.value *= 4;
+ wrqu->txpower.value |= value;
+
+ if (wrqu->txpower.flags != IW_TXPOW_DBM)
+ return -EINVAL;
+
+ if (wrqu->txpower.value > 0)
+ if (wl_set_val(dev, "qtxpower", &(wrqu->txpower.value), sizeof(int)) < 0)
+ return -EINVAL;
+ }
+ break;
+ }
+ case SIOCSIWENCODE:
+ {
+ int val = 0, wep = 1, wrestrict = 1;
+ int index = (wrqu->data.flags & IW_ENCODE_INDEX) - 1;
+
+ if (index < 0)
+ index = get_primary_key(dev);
- if (wl_get_val(dev, "qtxpower", &override, sizeof(int)) < 0)
+ if (wrqu->data.flags & IW_ENCODE_DISABLED) {
+ wep = 0;
+ if (wl_ioctl(dev, WLC_SET_WSEC, &wep, sizeof(val)) < 0)
+ return -EINVAL;
+ return 0;
+ }
+
+ if (wl_ioctl(dev, WLC_SET_WSEC, &wep, sizeof(val)) < 0)
return -EINVAL;
+
+ if (wrqu->data.flags & IW_ENCODE_OPEN)
+ wrestrict = 0;
- wrqu->txpower.value |= override & WL_TXPWR_OVERRIDE;
+ if (wrqu->data.pointer && (wrqu->data.length > 0) && (wrqu->data.length <= 16)) {
+ wl_wsec_key_t key;
+ memset(&key, 0, sizeof(key));
+
+ key.flags = WL_PRIMARY_KEY;
+ key.len = wrqu->data.length;
+ key.index = index;
+ memcpy(key.data, wrqu->data.pointer, wrqu->data.length);
+
+ if (wl_ioctl(dev, WLC_SET_KEY, &key, sizeof(key)) < 0)
+ return -EINVAL;
+ }
+
+ if (index >= 0)
+ wl_ioctl(dev, WLC_SET_KEY_PRIMARY, &index, sizeof(index));
- if (wrqu->txpower.flags != IW_TXPOW_MWATT)
- return -EINVAL;
+ if (wrestrict >= 0)
+ wl_ioctl(dev, WLC_SET_WEP_RESTRICT, &wrestrict, sizeof(wrestrict));
- if (wl_set_val(dev, "qtxpower", &wrqu->txpower.value, sizeof(int)) < 0)
- return -EINVAL;
+ break;
}
case SIOCGIWENCODE:
{
if (val > 0) {
- int key;
-
- for (key = val = 0; (key < 4) && (val == 0); key++) {
- val = key;
- if (wl_ioctl(dev, WLC_GET_KEY_PRIMARY, &val, sizeof(val)) < 0)
- return -EINVAL;
- }
+ int key = get_primary_key(dev);
wrqu->data.flags = IW_ENCODE_ENABLED;
if (key-- > 0) {
- int magic_offset;
- int16 buffer[8];
+ int *info_addr;
+ wkey *wep_key;
- magic_offset = read_shmem(dev, 0x56) * 2;
-
- wrqu->data.flags |= key + 1;
- wrqu->data.length = 16;
-
- for (val = 0; val < 8; val++) {
- buffer[val] = read_shmem(dev, magic_offset + (key * 16) + val * 2);
- }
+ info_addr = (int *) dev->priv;
+ wep_key = (wkey *) ((*info_addr) + 0x2752 + (key * 0x110));
+ wrqu->data.flags |= key + 1;
+ wrqu->data.length = wep_key->len;
+
memset(extra, 0, 16);
- memcpy(extra, buffer, 16);
+ memcpy(extra, wep_key->data, 16);
} else {
wrqu->data.flags |= IW_ENCODE_NOKEY;
}
ap = 0;
wet = 1;
break;
+
default:
return -EINVAL;
}
wl_ioctl(dev, WLC_SET_PASSIVE, &passive, sizeof(passive));
wl_ioctl(dev, WLC_SET_MONITOR, &passive, sizeof(passive));
wl_ioctl(dev, WLC_SET_WET, &wet, sizeof(wet));
- wl_ioctl(dev, WLC_SET_AP, &ap, sizeof(ap));
- wl_ioctl(dev, WLC_SET_INFRA, &infra, sizeof(infra));
+ if (ap >= 0)
+ wl_ioctl(dev, WLC_SET_AP, &ap, sizeof(ap));
+ if (infra >= 0)
+ wl_ioctl(dev, WLC_SET_INFRA, &infra, sizeof(infra));
break;
wlcompat_ioctl, /* SIOCGIWTXPOW */
NULL, /* SIOCSIWRETRY */
NULL, /* SIOCGIWRETRY */
- NULL, /* SIOCSIWENCODE */
+ wlcompat_ioctl, /* SIOCSIWENCODE */
wlcompat_ioctl, /* SIOCGIWENCODE */
};
+
+#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
+#define WLCOMPAT_SET_ANTDIV SIOCIWFIRSTPRIV + 4
+#define WLCOMPAT_GET_ANTDIV SIOCIWFIRSTPRIV + 5
+#define WLCOMPAT_SET_TXANT SIOCIWFIRSTPRIV + 6
+#define WLCOMPAT_GET_TXANT SIOCIWFIRSTPRIV + 7
+#define WLCOMPAT_SET_BSS_FORCE SIOCIWFIRSTPRIV + 8
+#define WLCOMPAT_GET_BSS_FORCE SIOCIWFIRSTPRIV + 9
+
+
static int wlcompat_private_ioctl(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu,
break;
}
+ case WLCOMPAT_SET_BSS_FORCE:
+ {
+ bss_force = (unsigned short) *value;
+ break;
+ }
+ case WLCOMPAT_GET_BSS_FORCE:
+ {
+ *extra = (int) bss_force;
+ break;
+ }
default:
{
return -EINVAL;
IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
"get_txant"
},
+ { WLCOMPAT_SET_BSS_FORCE,
+ IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
+ 0,
+ "set_bss_force"
+ },
+ { WLCOMPAT_GET_BSS_FORCE,
+ 0,
+ IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
+ "get_bss_force"
+ },
};
static const iw_handler wlcompat_private[] =
{
int found = 0, i;
char *devname = "eth0";
+ bss_force = 0;
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))
old_ioctl = dev->do_ioctl;
dev->do_ioctl = new_ioctl;
dev->wireless_handlers = (struct iw_handler_def *)&wlcompat_handler_def;
+ dev->get_wireless_stats = wlcompat_get_wireless_stats;
+#ifdef DEBUG
+ printk("broadcom driver private data: 0x%08x\n", dev->priv);
+#endif
return 0;
}
static void __exit wlcompat_exit()
{
+ dev->get_wireless_stats = NULL;
dev->wireless_handlers = NULL;
dev->do_ioctl = old_ioctl;
return;
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