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2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313 2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325 | /* Wireless extensions support.
*
* See copyright notice in main.c
*/
#include <linux/kernel.h>
#include <linux/if_arp.h>
#include <linux/wireless.h>
#include <linux/ieee80211.h>
#include <net/iw_handler.h>
#include "hermes.h"
#include "hermes_rid.h"
#include "orinoco.h"
#include "hw.h"
#include "mic.h"
#include "scan.h"
#include "main.h"
#include "wext.h"
#define MAX_RID_LEN 1024
static struct iw_statistics *orinoco_get_wireless_stats(struct net_device *dev)
{
struct orinoco_private *priv = netdev_priv(dev);
hermes_t *hw = &priv->hw;
struct iw_statistics *wstats = &priv->wstats;
int err;
unsigned long flags;
if (!netif_device_present(dev)) {
printk(KERN_WARNING "%s: get_wireless_stats() called while device not present\n",
dev->name);
return NULL; /* FIXME: Can we do better than this? */
}
/* If busy, return the old stats. Returning NULL may cause
* the interface to disappear from /proc/net/wireless */
if (orinoco_lock(priv, &flags) != 0)
return wstats;
/* We can't really wait for the tallies inquiry command to
* complete, so we just use the previous results and trigger
* a new tallies inquiry command for next time - Jean II */
/* FIXME: Really we should wait for the inquiry to come back -
* as it is the stats we give don't make a whole lot of sense.
* Unfortunately, it's not clear how to do that within the
* wireless extensions framework: I think we're in user
* context, but a lock seems to be held by the time we get in
* here so we're not safe to sleep here. */
hermes_inquire(hw, HERMES_INQ_TALLIES);
if (priv->iw_mode == IW_MODE_ADHOC) {
memset(&wstats->qual, 0, sizeof(wstats->qual));
/* If a spy address is defined, we report stats of the
* first spy address - Jean II */
if (SPY_NUMBER(priv)) {
wstats->qual.qual = priv->spy_data.spy_stat[0].qual;
wstats->qual.level = priv->spy_data.spy_stat[0].level;
wstats->qual.noise = priv->spy_data.spy_stat[0].noise;
wstats->qual.updated =
priv->spy_data.spy_stat[0].updated;
}
} else {
struct {
__le16 qual, signal, noise, unused;
} __attribute__ ((packed)) cq;
err = HERMES_READ_RECORD(hw, USER_BAP,
HERMES_RID_COMMSQUALITY, &cq);
if (!err) {
wstats->qual.qual = (int)le16_to_cpu(cq.qual);
wstats->qual.level = (int)le16_to_cpu(cq.signal) - 0x95;
wstats->qual.noise = (int)le16_to_cpu(cq.noise) - 0x95;
wstats->qual.updated =
IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
}
}
orinoco_unlock(priv, &flags);
return wstats;
}
/********************************************************************/
/* Wireless extensions */
/********************************************************************/
static int orinoco_ioctl_getname(struct net_device *dev,
struct iw_request_info *info,
char *name,
char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
int numrates;
int err;
err = orinoco_hw_get_bitratelist(priv, &numrates, NULL, 0);
if (!err && (numrates > 2))
strcpy(name, "IEEE 802.11b");
else
strcpy(name, "IEEE 802.11-DS");
return 0;
}
static int orinoco_ioctl_setwap(struct net_device *dev,
struct iw_request_info *info,
struct sockaddr *ap_addr,
char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
int err = -EINPROGRESS; /* Call commit handler */
unsigned long flags;
static const u8 off_addr[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
static const u8 any_addr[] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
/* Enable automatic roaming - no sanity checks are needed */
if (memcmp(&ap_addr->sa_data, off_addr, ETH_ALEN) == 0 ||
memcmp(&ap_addr->sa_data, any_addr, ETH_ALEN) == 0) {
priv->bssid_fixed = 0;
memset(priv->desired_bssid, 0, ETH_ALEN);
/* "off" means keep existing connection */
if (ap_addr->sa_data[0] == 0) {
__orinoco_hw_set_wap(priv);
err = 0;
}
goto out;
}
if (priv->firmware_type == FIRMWARE_TYPE_AGERE) {
printk(KERN_WARNING "%s: Lucent/Agere firmware doesn't "
"support manual roaming\n",
dev->name);
err = -EOPNOTSUPP;
goto out;
}
if (priv->iw_mode != IW_MODE_INFRA) {
printk(KERN_WARNING "%s: Manual roaming supported only in "
"managed mode\n", dev->name);
err = -EOPNOTSUPP;
goto out;
}
/* Intersil firmware hangs without Desired ESSID */
if (priv->firmware_type == FIRMWARE_TYPE_INTERSIL &&
strlen(priv->desired_essid) == 0) {
printk(KERN_WARNING "%s: Desired ESSID must be set for "
"manual roaming\n", dev->name);
err = -EOPNOTSUPP;
goto out;
}
/* Finally, enable manual roaming */
priv->bssid_fixed = 1;
memcpy(priv->desired_bssid, &ap_addr->sa_data, ETH_ALEN);
out:
orinoco_unlock(priv, &flags);
return err;
}
static int orinoco_ioctl_getwap(struct net_device *dev,
struct iw_request_info *info,
struct sockaddr *ap_addr,
char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
hermes_t *hw = &priv->hw;
int err = 0;
unsigned long flags;
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
ap_addr->sa_family = ARPHRD_ETHER;
err = hermes_read_ltv(hw, USER_BAP, HERMES_RID_CURRENTBSSID,
ETH_ALEN, NULL, ap_addr->sa_data);
orinoco_unlock(priv, &flags);
return err;
}
static int orinoco_ioctl_setmode(struct net_device *dev,
struct iw_request_info *info,
u32 *mode,
char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
int err = -EINPROGRESS; /* Call commit handler */
unsigned long flags;
if (priv->iw_mode == *mode)
return 0;
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
switch (*mode) {
case IW_MODE_ADHOC:
if (!priv->has_ibss && !priv->has_port3)
err = -EOPNOTSUPP;
break;
case IW_MODE_INFRA:
break;
case IW_MODE_MONITOR:
if (priv->broken_monitor && !force_monitor) {
printk(KERN_WARNING "%s: Monitor mode support is "
"buggy in this firmware, not enabling\n",
dev->name);
err = -EOPNOTSUPP;
}
break;
default:
err = -EOPNOTSUPP;
break;
}
if (err == -EINPROGRESS) {
priv->iw_mode = *mode;
set_port_type(priv);
}
orinoco_unlock(priv, &flags);
return err;
}
static int orinoco_ioctl_getmode(struct net_device *dev,
struct iw_request_info *info,
u32 *mode,
char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
*mode = priv->iw_mode;
return 0;
}
static int orinoco_ioctl_getiwrange(struct net_device *dev,
struct iw_request_info *info,
struct iw_point *rrq,
char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
int err = 0;
struct iw_range *range = (struct iw_range *) extra;
int numrates;
int i, k;
rrq->length = sizeof(struct iw_range);
memset(range, 0, sizeof(struct iw_range));
range->we_version_compiled = WIRELESS_EXT;
range->we_version_source = 22;
/* Set available channels/frequencies */
range->num_channels = NUM_CHANNELS;
k = 0;
for (i = 0; i < NUM_CHANNELS; i++) {
if (priv->channel_mask & (1 << i)) {
range->freq[k].i = i + 1;
range->freq[k].m = (ieee80211_dsss_chan_to_freq(i + 1) *
100000);
range->freq[k].e = 1;
k++;
}
if (k >= IW_MAX_FREQUENCIES)
break;
}
range->num_frequency = k;
range->sensitivity = 3;
if (priv->has_wep) {
range->max_encoding_tokens = ORINOCO_MAX_KEYS;
range->encoding_size[0] = SMALL_KEY_SIZE;
range->num_encoding_sizes = 1;
if (priv->has_big_wep) {
range->encoding_size[1] = LARGE_KEY_SIZE;
range->num_encoding_sizes = 2;
}
}
if (priv->has_wpa)
range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_CIPHER_TKIP;
if ((priv->iw_mode == IW_MODE_ADHOC) && (!SPY_NUMBER(priv))) {
/* Quality stats meaningless in ad-hoc mode */
} else {
range->max_qual.qual = 0x8b - 0x2f;
range->max_qual.level = 0x2f - 0x95 - 1;
range->max_qual.noise = 0x2f - 0x95 - 1;
/* Need to get better values */
range->avg_qual.qual = 0x24;
range->avg_qual.level = 0xC2;
range->avg_qual.noise = 0x9E;
}
err = orinoco_hw_get_bitratelist(priv, &numrates,
range->bitrate, IW_MAX_BITRATES);
if (err)
return err;
range->num_bitrates = numrates;
/* Set an indication of the max TCP throughput in bit/s that we can
* expect using this interface. May be use for QoS stuff...
* Jean II */
if (numrates > 2)
range->throughput = 5 * 1000 * 1000; /* ~5 Mb/s */
else
range->throughput = 1.5 * 1000 * 1000; /* ~1.5 Mb/s */
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->pmp_flags = IW_POWER_PERIOD;
range->pmt_flags = IW_POWER_TIMEOUT;
range->pm_capa = (IW_POWER_PERIOD | IW_POWER_TIMEOUT |
IW_POWER_UNICAST_R);
range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
range->retry_flags = IW_RETRY_LIMIT;
range->r_time_flags = IW_RETRY_LIFETIME;
range->min_retry = 0;
range->max_retry = 65535; /* ??? */
range->min_r_time = 0;
range->max_r_time = 65535 * 1000; /* ??? */
if (priv->firmware_type == FIRMWARE_TYPE_AGERE)
range->scan_capa = IW_SCAN_CAPA_ESSID;
else
range->scan_capa = IW_SCAN_CAPA_NONE;
/* Event capability (kernel) */
IW_EVENT_CAPA_SET_KERNEL(range->event_capa);
/* Event capability (driver) */
IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWTHRSPY);
IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);
IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
IW_EVENT_CAPA_SET(range->event_capa, IWEVTXDROP);
return 0;
}
static int orinoco_ioctl_setiwencode(struct net_device *dev,
struct iw_request_info *info,
struct iw_point *erq,
char *keybuf)
{
struct orinoco_private *priv = netdev_priv(dev);
int index = (erq->flags & IW_ENCODE_INDEX) - 1;
int setindex = priv->tx_key;
int encode_alg = priv->encode_alg;
int restricted = priv->wep_restrict;
u16 xlen = 0;
int err = -EINPROGRESS; /* Call commit handler */
unsigned long flags;
if (!priv->has_wep)
return -EOPNOTSUPP;
if (erq->pointer) {
/* We actually have a key to set - check its length */
if (erq->length > LARGE_KEY_SIZE)
return -E2BIG;
if ((erq->length > SMALL_KEY_SIZE) && !priv->has_big_wep)
return -E2BIG;
}
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
/* Clear any TKIP key we have */
if ((priv->has_wpa) && (priv->encode_alg == IW_ENCODE_ALG_TKIP))
(void) orinoco_clear_tkip_key(priv, setindex);
if (erq->length > 0) {
if ((index < 0) || (index >= ORINOCO_MAX_KEYS))
index = priv->tx_key;
/* Adjust key length to a supported value */
if (erq->length > SMALL_KEY_SIZE)
xlen = LARGE_KEY_SIZE;
else if (erq->length > 0)
xlen = SMALL_KEY_SIZE;
else
xlen = 0;
/* Switch on WEP if off */
if ((encode_alg != IW_ENCODE_ALG_WEP) && (xlen > 0)) {
setindex = index;
encode_alg = IW_ENCODE_ALG_WEP;
}
} else {
/* Important note : if the user do "iwconfig eth0 enc off",
* we will arrive there with an index of -1. This is valid
* but need to be taken care off... Jean II */
if ((index < 0) || (index >= ORINOCO_MAX_KEYS)) {
if ((index != -1) || (erq->flags == 0)) {
err = -EINVAL;
goto out;
}
} else {
/* Set the index : Check that the key is valid */
if (priv->keys[index].len == 0) {
err = -EINVAL;
goto out;
}
setindex = index;
}
}
if (erq->flags & IW_ENCODE_DISABLED)
encode_alg = IW_ENCODE_ALG_NONE;
if (erq->flags & IW_ENCODE_OPEN)
restricted = 0;
if (erq->flags & IW_ENCODE_RESTRICTED)
restricted = 1;
if (erq->pointer && erq->length > 0) {
priv->keys[index].len = cpu_to_le16(xlen);
memset(priv->keys[index].data, 0,
sizeof(priv->keys[index].data));
memcpy(priv->keys[index].data, keybuf, erq->length);
}
priv->tx_key = setindex;
/* Try fast key change if connected and only keys are changed */
if ((priv->encode_alg == encode_alg) &&
(priv->wep_restrict == restricted) &&
netif_carrier_ok(dev)) {
err = __orinoco_hw_setup_wepkeys(priv);
/* No need to commit if successful */
goto out;
}
priv->encode_alg = encode_alg;
priv->wep_restrict = restricted;
out:
orinoco_unlock(priv, &flags);
return err;
}
static int orinoco_ioctl_getiwencode(struct net_device *dev,
struct iw_request_info *info,
struct iw_point *erq,
char *keybuf)
{
struct orinoco_private *priv = netdev_priv(dev);
int index = (erq->flags & IW_ENCODE_INDEX) - 1;
u16 xlen = 0;
unsigned long flags;
if (!priv->has_wep)
return -EOPNOTSUPP;
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
if ((index < 0) || (index >= ORINOCO_MAX_KEYS))
index = priv->tx_key;
erq->flags = 0;
if (!priv->encode_alg)
erq->flags |= IW_ENCODE_DISABLED;
erq->flags |= index + 1;
if (priv->wep_restrict)
erq->flags |= IW_ENCODE_RESTRICTED;
else
erq->flags |= IW_ENCODE_OPEN;
xlen = le16_to_cpu(priv->keys[index].len);
erq->length = xlen;
memcpy(keybuf, priv->keys[index].data, ORINOCO_MAX_KEY_SIZE);
orinoco_unlock(priv, &flags);
return 0;
}
static int orinoco_ioctl_setessid(struct net_device *dev,
struct iw_request_info *info,
struct iw_point *erq,
char *essidbuf)
{
struct orinoco_private *priv = netdev_priv(dev);
unsigned long flags;
/* Note : ESSID is ignored in Ad-Hoc demo mode, but we can set it
* anyway... - Jean II */
/* Hum... Should not use Wireless Extension constant (may change),
* should use our own... - Jean II */
if (erq->length > IW_ESSID_MAX_SIZE)
return -E2BIG;
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
/* NULL the string (for NULL termination & ESSID = ANY) - Jean II */
memset(priv->desired_essid, 0, sizeof(priv->desired_essid));
/* If not ANY, get the new ESSID */
if (erq->flags)
memcpy(priv->desired_essid, essidbuf, erq->length);
orinoco_unlock(priv, &flags);
return -EINPROGRESS; /* Call commit handler */
}
static int orinoco_ioctl_getessid(struct net_device *dev,
struct iw_request_info *info,
struct iw_point *erq,
char *essidbuf)
{
struct orinoco_private *priv = netdev_priv(dev);
int active;
int err = 0;
unsigned long flags;
if (netif_running(dev)) {
err = orinoco_hw_get_essid(priv, &active, essidbuf);
if (err < 0)
return err;
erq->length = err;
} else {
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
memcpy(essidbuf, priv->desired_essid, IW_ESSID_MAX_SIZE);
erq->length = strlen(priv->desired_essid);
orinoco_unlock(priv, &flags);
}
erq->flags = 1;
return 0;
}
static int orinoco_ioctl_setnick(struct net_device *dev,
struct iw_request_info *info,
struct iw_point *nrq,
char *nickbuf)
{
struct orinoco_private *priv = netdev_priv(dev);
unsigned long flags;
if (nrq->length > IW_ESSID_MAX_SIZE)
return -E2BIG;
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
memset(priv->nick, 0, sizeof(priv->nick));
memcpy(priv->nick, nickbuf, nrq->length);
orinoco_unlock(priv, &flags);
return -EINPROGRESS; /* Call commit handler */
}
static int orinoco_ioctl_getnick(struct net_device *dev,
struct iw_request_info *info,
struct iw_point *nrq,
char *nickbuf)
{
struct orinoco_private *priv = netdev_priv(dev);
unsigned long flags;
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
memcpy(nickbuf, priv->nick, IW_ESSID_MAX_SIZE);
orinoco_unlock(priv, &flags);
nrq->length = strlen(priv->nick);
return 0;
}
static int orinoco_ioctl_setfreq(struct net_device *dev,
struct iw_request_info *info,
struct iw_freq *frq,
char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
int chan = -1;
unsigned long flags;
int err = -EINPROGRESS; /* Call commit handler */
/* In infrastructure mode the AP sets the channel */
if (priv->iw_mode == IW_MODE_INFRA)
return -EBUSY;
if ((frq->e == 0) && (frq->m <= 1000)) {
/* Setting by channel number */
chan = frq->m;
} else {
/* Setting by frequency */
int denom = 1;
int i;
/* Calculate denominator to rescale to MHz */
for (i = 0; i < (6 - frq->e); i++)
denom *= 10;
chan = ieee80211_freq_to_dsss_chan(frq->m / denom);
}
if ((chan < 1) || (chan > NUM_CHANNELS) ||
!(priv->channel_mask & (1 << (chan-1))))
return -EINVAL;
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
priv->channel = chan;
if (priv->iw_mode == IW_MODE_MONITOR) {
/* Fast channel change - no commit if successful */
hermes_t *hw = &priv->hw;
err = hermes_docmd_wait(hw, HERMES_CMD_TEST |
HERMES_TEST_SET_CHANNEL,
chan, NULL);
}
orinoco_unlock(priv, &flags);
return err;
}
static int orinoco_ioctl_getfreq(struct net_device *dev,
struct iw_request_info *info,
struct iw_freq *frq,
char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
int tmp;
/* Locking done in there */
tmp = orinoco_hw_get_freq(priv);
if (tmp < 0)
return tmp;
frq->m = tmp * 100000;
frq->e = 1;
return 0;
}
static int orinoco_ioctl_getsens(struct net_device *dev,
struct iw_request_info *info,
struct iw_param *srq,
char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
hermes_t *hw = &priv->hw;
u16 val;
int err;
unsigned long flags;
if (!priv->has_sensitivity)
return -EOPNOTSUPP;
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
err = hermes_read_wordrec(hw, USER_BAP,
HERMES_RID_CNFSYSTEMSCALE, &val);
orinoco_unlock(priv, &flags);
if (err)
return err;
srq->value = val;
srq->fixed = 0; /* auto */
return 0;
}
static int orinoco_ioctl_setsens(struct net_device *dev,
struct iw_request_info *info,
struct iw_param *srq,
char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
int val = srq->value;
unsigned long flags;
if (!priv->has_sensitivity)
return -EOPNOTSUPP;
if ((val < 1) || (val > 3))
return -EINVAL;
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
priv->ap_density = val;
orinoco_unlock(priv, &flags);
return -EINPROGRESS; /* Call commit handler */
}
static int orinoco_ioctl_setrts(struct net_device *dev,
struct iw_request_info *info,
struct iw_param *rrq,
char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
int val = rrq->value;
unsigned long flags;
if (rrq->disabled)
val = 2347;
if ((val < 0) || (val > 2347))
return -EINVAL;
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
priv->rts_thresh = val;
orinoco_unlock(priv, &flags);
return -EINPROGRESS; /* Call commit handler */
}
static int orinoco_ioctl_getrts(struct net_device *dev,
struct iw_request_info *info,
struct iw_param *rrq,
char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
rrq->value = priv->rts_thresh;
rrq->disabled = (rrq->value == 2347);
rrq->fixed = 1;
return 0;
}
static int orinoco_ioctl_setfrag(struct net_device *dev,
struct iw_request_info *info,
struct iw_param *frq,
char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
int err = -EINPROGRESS; /* Call commit handler */
unsigned long flags;
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
if (priv->has_mwo) {
if (frq->disabled)
priv->mwo_robust = 0;
else {
if (frq->fixed)
printk(KERN_WARNING "%s: Fixed fragmentation "
"is not supported on this firmware. "
"Using MWO robust instead.\n",
dev->name);
priv->mwo_robust = 1;
}
} else {
if (frq->disabled)
priv->frag_thresh = 2346;
else {
if ((frq->value < 256) || (frq->value > 2346))
err = -EINVAL;
else
/* must be even */
priv->frag_thresh = frq->value & ~0x1;
}
}
orinoco_unlock(priv, &flags);
return err;
}
static int orinoco_ioctl_getfrag(struct net_device *dev,
struct iw_request_info *info,
struct iw_param *frq,
char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
hermes_t *hw = &priv->hw;
int err;
u16 val;
unsigned long flags;
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
if (priv->has_mwo) {
err = hermes_read_wordrec(hw, USER_BAP,
HERMES_RID_CNFMWOROBUST_AGERE,
&val);
if (err)
val = 0;
frq->value = val ? 2347 : 0;
frq->disabled = !val;
frq->fixed = 0;
} else {
err = hermes_read_wordrec(hw, USER_BAP,
HERMES_RID_CNFFRAGMENTATIONTHRESHOLD,
&val);
if (err)
val = 0;
frq->value = val;
frq->disabled = (val >= 2346);
frq->fixed = 1;
}
orinoco_unlock(priv, &flags);
return err;
}
static int orinoco_ioctl_setrate(struct net_device *dev,
struct iw_request_info *info,
struct iw_param *rrq,
char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
int ratemode;
int bitrate; /* 100s of kilobits */
unsigned long flags;
/* As the user space doesn't know our highest rate, it uses -1
* to ask us to set the highest rate. Test it using "iwconfig
* ethX rate auto" - Jean II */
if (rrq->value == -1)
bitrate = 110;
else {
if (rrq->value % 100000)
return -EINVAL;
bitrate = rrq->value / 100000;
}
ratemode = orinoco_get_bitratemode(bitrate, !rrq->fixed);
if (ratemode == -1)
return -EINVAL;
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
priv->bitratemode = ratemode;
orinoco_unlock(priv, &flags);
return -EINPROGRESS;
}
static int orinoco_ioctl_getrate(struct net_device *dev,
struct iw_request_info *info,
struct iw_param *rrq,
char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
int err = 0;
int bitrate, automatic;
unsigned long flags;
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
orinoco_get_ratemode_cfg(priv->bitratemode, &bitrate, &automatic);
/* If the interface is running we try to find more about the
current mode */
if (netif_running(dev))
err = orinoco_hw_get_act_bitrate(priv, &bitrate);
orinoco_unlock(priv, &flags);
rrq->value = bitrate;
rrq->fixed = !automatic;
rrq->disabled = 0;
return err;
}
static int orinoco_ioctl_setpower(struct net_device *dev,
struct iw_request_info *info,
struct iw_param *prq,
char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
int err = -EINPROGRESS; /* Call commit handler */
unsigned long flags;
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
if (prq->disabled) {
priv->pm_on = 0;
} else {
switch (prq->flags & IW_POWER_MODE) {
case IW_POWER_UNICAST_R:
priv->pm_mcast = 0;
priv->pm_on = 1;
break;
case IW_POWER_ALL_R:
priv->pm_mcast = 1;
priv->pm_on = 1;
break;
case IW_POWER_ON:
/* No flags : but we may have a value - Jean II */
break;
default:
err = -EINVAL;
goto out;
}
if (prq->flags & IW_POWER_TIMEOUT) {
priv->pm_on = 1;
priv->pm_timeout = prq->value / 1000;
}
if (prq->flags & IW_POWER_PERIOD) {
priv->pm_on = 1;
priv->pm_period = prq->value / 1000;
}
/* It's valid to not have a value if we are just toggling
* the flags... Jean II */
if (!priv->pm_on) {
err = -EINVAL;
goto out;
}
}
out:
orinoco_unlock(priv, &flags);
return err;
}
static int orinoco_ioctl_getpower(struct net_device *dev,
struct iw_request_info *info,
struct iw_param *prq,
char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
hermes_t *hw = &priv->hw;
int err = 0;
u16 enable, period, timeout, mcast;
unsigned long flags;
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
err = hermes_read_wordrec(hw, USER_BAP,
HERMES_RID_CNFPMENABLED, &enable);
if (err)
goto out;
err = hermes_read_wordrec(hw, USER_BAP,
HERMES_RID_CNFMAXSLEEPDURATION, &period);
if (err)
goto out;
err = hermes_read_wordrec(hw, USER_BAP,
HERMES_RID_CNFPMHOLDOVERDURATION, &timeout);
if (err)
goto out;
err = hermes_read_wordrec(hw, USER_BAP,
HERMES_RID_CNFMULTICASTRECEIVE, &mcast);
if (err)
goto out;
prq->disabled = !enable;
/* Note : by default, display the period */
if ((prq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
prq->flags = IW_POWER_TIMEOUT;
prq->value = timeout * 1000;
} else {
prq->flags = IW_POWER_PERIOD;
prq->value = period * 1000;
}
if (mcast)
prq->flags |= IW_POWER_ALL_R;
else
prq->flags |= IW_POWER_UNICAST_R;
out:
orinoco_unlock(priv, &flags);
return err;
}
static int orinoco_ioctl_set_encodeext(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu,
char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
struct iw_point *encoding = &wrqu->encoding;
struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
int idx, alg = ext->alg, set_key = 1;
unsigned long flags;
int err = -EINVAL;
u16 key_len;
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
/* Determine and validate the key index */
idx = encoding->flags & IW_ENCODE_INDEX;
if (idx) {
if ((idx < 1) || (idx > 4))
goto out;
idx--;
} else
idx = priv->tx_key;
if (encoding->flags & IW_ENCODE_DISABLED)
alg = IW_ENCODE_ALG_NONE;
if (priv->has_wpa && (alg != IW_ENCODE_ALG_TKIP)) {
/* Clear any TKIP TX key we had */
(void) orinoco_clear_tkip_key(priv, priv->tx_key);
}
if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
priv->tx_key = idx;
set_key = ((alg == IW_ENCODE_ALG_TKIP) ||
(ext->key_len > 0)) ? 1 : 0;
}
if (set_key) {
/* Set the requested key first */
switch (alg) {
case IW_ENCODE_ALG_NONE:
priv->encode_alg = alg;
priv->keys[idx].len = 0;
break;
case IW_ENCODE_ALG_WEP:
if (ext->key_len > SMALL_KEY_SIZE)
key_len = LARGE_KEY_SIZE;
else if (ext->key_len > 0)
key_len = SMALL_KEY_SIZE;
else
goto out;
priv->encode_alg = alg;
priv->keys[idx].len = cpu_to_le16(key_len);
key_len = min(ext->key_len, key_len);
memset(priv->keys[idx].data, 0, ORINOCO_MAX_KEY_SIZE);
memcpy(priv->keys[idx].data, ext->key, key_len);
break;
case IW_ENCODE_ALG_TKIP:
{
hermes_t *hw = &priv->hw;
u8 *tkip_iv = NULL;
if (!priv->has_wpa ||
(ext->key_len > sizeof(priv->tkip_key[0])))
goto out;
priv->encode_alg = alg;
memset(&priv->tkip_key[idx], 0,
sizeof(priv->tkip_key[idx]));
memcpy(&priv->tkip_key[idx], ext->key, ext->key_len);
if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID)
tkip_iv = &ext->rx_seq[0];
err = __orinoco_hw_set_tkip_key(hw, idx,
ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY,
(u8 *) &priv->tkip_key[idx],
tkip_iv, NULL);
if (err)
printk(KERN_ERR "%s: Error %d setting TKIP key"
"\n", dev->name, err);
goto out;
}
default:
goto out;
}
}
err = -EINPROGRESS;
out:
orinoco_unlock(priv, &flags);
return err;
}
static int orinoco_ioctl_get_encodeext(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu,
char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
struct iw_point *encoding = &wrqu->encoding;
struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
int idx, max_key_len;
unsigned long flags;
int err;
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
err = -EINVAL;
max_key_len = encoding->length - sizeof(*ext);
if (max_key_len < 0)
goto out;
idx = encoding->flags & IW_ENCODE_INDEX;
if (idx) {
if ((idx < 1) || (idx > 4))
goto out;
idx--;
} else
idx = priv->tx_key;
encoding->flags = idx + 1;
memset(ext, 0, sizeof(*ext));
ext->alg = priv->encode_alg;
switch (priv->encode_alg) {
case IW_ENCODE_ALG_NONE:
ext->key_len = 0;
encoding->flags |= IW_ENCODE_DISABLED;
break;
case IW_ENCODE_ALG_WEP:
ext->key_len = min_t(u16, le16_to_cpu(priv->keys[idx].len),
max_key_len);
memcpy(ext->key, priv->keys[idx].data, ext->key_len);
encoding->flags |= IW_ENCODE_ENABLED;
break;
case IW_ENCODE_ALG_TKIP:
ext->key_len = min_t(u16, sizeof(struct orinoco_tkip_key),
max_key_len);
memcpy(ext->key, &priv->tkip_key[idx], ext->key_len);
encoding->flags |= IW_ENCODE_ENABLED;
break;
}
err = 0;
out:
orinoco_unlock(priv, &flags);
return err;
}
static int orinoco_ioctl_set_auth(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
hermes_t *hw = &priv->hw;
struct iw_param *param = &wrqu->param;
unsigned long flags;
int ret = -EINPROGRESS;
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
switch (param->flags & IW_AUTH_INDEX) {
case IW_AUTH_WPA_VERSION:
case IW_AUTH_CIPHER_PAIRWISE:
case IW_AUTH_CIPHER_GROUP:
case IW_AUTH_RX_UNENCRYPTED_EAPOL:
case IW_AUTH_PRIVACY_INVOKED:
case IW_AUTH_DROP_UNENCRYPTED:
/*
* orinoco does not use these parameters
*/
break;
case IW_AUTH_KEY_MGMT:
/* wl_lkm implies value 2 == PSK for Hermes I
* which ties in with WEXT
* no other hints tho :(
*/
priv->key_mgmt = param->value;
break;
case IW_AUTH_TKIP_COUNTERMEASURES:
/* When countermeasures are enabled, shut down the
* card; when disabled, re-enable the card. This must
* take effect immediately.
*
* TODO: Make sure that the EAPOL message is getting
* out before card disabled
*/
if (param->value) {
priv->tkip_cm_active = 1;
ret = hermes_enable_port(hw, 0);
} else {
priv->tkip_cm_active = 0;
ret = hermes_disable_port(hw, 0);
}
break;
case IW_AUTH_80211_AUTH_ALG:
if (param->value & IW_AUTH_ALG_SHARED_KEY)
priv->wep_restrict = 1;
else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM)
priv->wep_restrict = 0;
else
ret = -EINVAL;
break;
case IW_AUTH_WPA_ENABLED:
if (priv->has_wpa) {
priv->wpa_enabled = param->value ? 1 : 0;
} else {
if (param->value)
ret = -EOPNOTSUPP;
/* else silently accept disable of WPA */
priv->wpa_enabled = 0;
}
break;
default:
ret = -EOPNOTSUPP;
}
orinoco_unlock(priv, &flags);
return ret;
}
static int orinoco_ioctl_get_auth(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
struct iw_param *param = &wrqu->param;
unsigned long flags;
int ret = 0;
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
switch (param->flags & IW_AUTH_INDEX) {
case IW_AUTH_KEY_MGMT:
param->value = priv->key_mgmt;
break;
case IW_AUTH_TKIP_COUNTERMEASURES:
param->value = priv->tkip_cm_active;
break;
case IW_AUTH_80211_AUTH_ALG:
if (priv->wep_restrict)
param->value = IW_AUTH_ALG_SHARED_KEY;
else
param->value = IW_AUTH_ALG_OPEN_SYSTEM;
break;
case IW_AUTH_WPA_ENABLED:
param->value = priv->wpa_enabled;
break;
default:
ret = -EOPNOTSUPP;
}
orinoco_unlock(priv, &flags);
return ret;
}
static int orinoco_ioctl_set_genie(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
u8 *buf;
unsigned long flags;
/* cut off at IEEE80211_MAX_DATA_LEN */
if ((wrqu->data.length > IEEE80211_MAX_DATA_LEN) ||
(wrqu->data.length && (extra == NULL)))
return -EINVAL;
if (wrqu->data.length) {
buf = kmalloc(wrqu->data.length, GFP_KERNEL);
if (buf == NULL)
return -ENOMEM;
memcpy(buf, extra, wrqu->data.length);
} else
buf = NULL;
if (orinoco_lock(priv, &flags) != 0) {
kfree(buf);
return -EBUSY;
}
kfree(priv->wpa_ie);
priv->wpa_ie = buf;
priv->wpa_ie_len = wrqu->data.length;
if (priv->wpa_ie) {
/* Looks like wl_lkm wants to check the auth alg, and
* somehow pass it to the firmware.
* Instead it just calls the key mgmt rid
* - we do this in set auth.
*/
}
orinoco_unlock(priv, &flags);
return 0;
}
static int orinoco_ioctl_get_genie(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
unsigned long flags;
int err = 0;
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
if ((priv->wpa_ie_len == 0) || (priv->wpa_ie == NULL)) {
wrqu->data.length = 0;
goto out;
}
if (wrqu->data.length < priv->wpa_ie_len) {
err = -E2BIG;
goto out;
}
wrqu->data.length = priv->wpa_ie_len;
memcpy(extra, priv->wpa_ie, priv->wpa_ie_len);
out:
orinoco_unlock(priv, &flags);
return err;
}
static int orinoco_ioctl_set_mlme(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
hermes_t *hw = &priv->hw;
struct iw_mlme *mlme = (struct iw_mlme *)extra;
unsigned long flags;
int ret = 0;
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
switch (mlme->cmd) {
case IW_MLME_DEAUTH:
/* silently ignore */
break;
case IW_MLME_DISASSOC:
{
struct {
u8 addr[ETH_ALEN];
__le16 reason_code;
} __attribute__ ((packed)) buf;
memcpy(buf.addr, mlme->addr.sa_data, ETH_ALEN);
buf.reason_code = cpu_to_le16(mlme->reason_code);
ret = HERMES_WRITE_RECORD(hw, USER_BAP,
HERMES_RID_CNFDISASSOCIATE,
&buf);
break;
}
default:
ret = -EOPNOTSUPP;
}
orinoco_unlock(priv, &flags);
return ret;
}
static int orinoco_ioctl_getretry(struct net_device *dev,
struct iw_request_info *info,
struct iw_param *rrq,
char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
hermes_t *hw = &priv->hw;
int err = 0;
u16 short_limit, long_limit, lifetime;
unsigned long flags;
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_SHORTRETRYLIMIT,
&short_limit);
if (err)
goto out;
err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_LONGRETRYLIMIT,
&long_limit);
if (err)
goto out;
err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_MAXTRANSMITLIFETIME,
&lifetime);
if (err)
goto out;
rrq->disabled = 0; /* Can't be disabled */
/* Note : by default, display the retry number */
if ((rrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
rrq->flags = IW_RETRY_LIFETIME;
rrq->value = lifetime * 1000; /* ??? */
} else {
/* By default, display the min number */
if ((rrq->flags & IW_RETRY_LONG)) {
rrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
rrq->value = long_limit;
} else {
rrq->flags = IW_RETRY_LIMIT;
rrq->value = short_limit;
if (short_limit != long_limit)
rrq->flags |= IW_RETRY_SHORT;
}
}
out:
orinoco_unlock(priv, &flags);
return err;
}
static int orinoco_ioctl_reset(struct net_device *dev,
struct iw_request_info *info,
void *wrqu,
char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
if (!capable(CAP_NET_ADMIN))
return -EPERM;
if (info->cmd == (SIOCIWFIRSTPRIV + 0x1)) {
printk(KERN_DEBUG "%s: Forcing reset!\n", dev->name);
/* Firmware reset */
orinoco_reset(&priv->reset_work);
} else {
printk(KERN_DEBUG "%s: Force scheduling reset!\n", dev->name);
schedule_work(&priv->reset_work);
}
return 0;
}
static int orinoco_ioctl_setibssport(struct net_device *dev,
struct iw_request_info *info,
void *wrqu,
char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
int val = *((int *) extra);
unsigned long flags;
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
priv->ibss_port = val ;
/* Actually update the mode we are using */
set_port_type(priv);
orinoco_unlock(priv, &flags);
return -EINPROGRESS; /* Call commit handler */
}
static int orinoco_ioctl_getibssport(struct net_device *dev,
struct iw_request_info *info,
void *wrqu,
char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
int *val = (int *) extra;
*val = priv->ibss_port;
return 0;
}
static int orinoco_ioctl_setport3(struct net_device *dev,
struct iw_request_info *info,
void *wrqu,
char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
int val = *((int *) extra);
int err = 0;
unsigned long flags;
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
switch (val) {
case 0: /* Try to do IEEE ad-hoc mode */
if (!priv->has_ibss) {
err = -EINVAL;
break;
}
priv->prefer_port3 = 0;
break;
case 1: /* Try to do Lucent proprietary ad-hoc mode */
if (!priv->has_port3) {
err = -EINVAL;
break;
}
priv->prefer_port3 = 1;
break;
default:
err = -EINVAL;
}
if (!err) {
/* Actually update the mode we are using */
set_port_type(priv);
err = -EINPROGRESS;
}
orinoco_unlock(priv, &flags);
return err;
}
static int orinoco_ioctl_getport3(struct net_device *dev,
struct iw_request_info *info,
void *wrqu,
char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
int *val = (int *) extra;
*val = priv->prefer_port3;
return 0;
}
static int orinoco_ioctl_setpreamble(struct net_device *dev,
struct iw_request_info *info,
void *wrqu,
char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
unsigned long flags;
int val;
if (!priv->has_preamble)
return -EOPNOTSUPP;
/* 802.11b has recently defined some short preamble.
* Basically, the Phy header has been reduced in size.
* This increase performance, especially at high rates
* (the preamble is transmitted at 1Mb/s), unfortunately
* this give compatibility troubles... - Jean II */
val = *((int *) extra);
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
if (val)
priv->preamble = 1;
else
priv->preamble = 0;
orinoco_unlock(priv, &flags);
return -EINPROGRESS; /* Call commit handler */
}
static int orinoco_ioctl_getpreamble(struct net_device *dev,
struct iw_request_info *info,
void *wrqu,
char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
int *val = (int *) extra;
if (!priv->has_preamble)
return -EOPNOTSUPP;
*val = priv->preamble;
return 0;
}
/* ioctl interface to hermes_read_ltv()
* To use with iwpriv, pass the RID as the token argument, e.g.
* iwpriv get_rid [0xfc00]
* At least Wireless Tools 25 is required to use iwpriv.
* For Wireless Tools 25 and 26 append "dummy" are the end. */
static int orinoco_ioctl_getrid(struct net_device *dev,
struct iw_request_info *info,
struct iw_point *data,
char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
hermes_t *hw = &priv->hw;
int rid = data->flags;
u16 length;
int err;
unsigned long flags;
/* It's a "get" function, but we don't want users to access the
* WEP key and other raw firmware data */
if (!capable(CAP_NET_ADMIN))
return -EPERM;
if (rid < 0xfc00 || rid > 0xffff)
return -EINVAL;
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
err = hermes_read_ltv(hw, USER_BAP, rid, MAX_RID_LEN, &length,
extra);
if (err)
goto out;
data->length = min_t(u16, HERMES_RECLEN_TO_BYTES(length),
MAX_RID_LEN);
out:
orinoco_unlock(priv, &flags);
return err;
}
/* Trigger a scan (look for other cells in the vicinity) */
static int orinoco_ioctl_setscan(struct net_device *dev,
struct iw_request_info *info,
struct iw_point *srq,
char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
hermes_t *hw = &priv->hw;
struct iw_scan_req *si = (struct iw_scan_req *) extra;
int err = 0;
unsigned long flags;
/* Note : you may have realised that, as this is a SET operation,
* this is privileged and therefore a normal user can't
* perform scanning.
* This is not an error, while the device perform scanning,
* traffic doesn't flow, so it's a perfect DoS...
* Jean II */
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
/* Scanning with port 0 disabled would fail */
if (!netif_running(dev)) {
err = -ENETDOWN;
goto out;
}
/* In monitor mode, the scan results are always empty.
* Probe responses are passed to the driver as received
* frames and could be processed in software. */
if (priv->iw_mode == IW_MODE_MONITOR) {
err = -EOPNOTSUPP;
goto out;
}
/* Note : because we don't lock out the irq handler, the way
* we access scan variables in priv is critical.
* o scan_inprogress : not touched by irq handler
* o scan_mode : not touched by irq handler
* Before modifying anything on those variables, please think hard !
* Jean II */
/* Save flags */
priv->scan_mode = srq->flags;
/* Always trigger scanning, even if it's in progress.
* This way, if the info frame get lost, we will recover somewhat
* gracefully - Jean II */
if (priv->has_hostscan) {
switch (priv->firmware_type) {
case FIRMWARE_TYPE_SYMBOL:
err = hermes_write_wordrec(hw, USER_BAP,
HERMES_RID_CNFHOSTSCAN_SYMBOL,
HERMES_HOSTSCAN_SYMBOL_ONCE |
HERMES_HOSTSCAN_SYMBOL_BCAST);
break;
case FIRMWARE_TYPE_INTERSIL: {
__le16 req[3];
req[0] = cpu_to_le16(0x3fff); /* All channels */
req[1] = cpu_to_le16(0x0001); /* rate 1 Mbps */
req[2] = 0; /* Any ESSID */
err = HERMES_WRITE_RECORD(hw, USER_BAP,
HERMES_RID_CNFHOSTSCAN, &req);
}
break;
case FIRMWARE_TYPE_AGERE:
if (priv->scan_mode & IW_SCAN_THIS_ESSID) {
struct hermes_idstring idbuf;
size_t len = min(sizeof(idbuf.val),
(size_t) si->essid_len);
idbuf.len = cpu_to_le16(len);
memcpy(idbuf.val, si->essid, len);
err = hermes_write_ltv(hw, USER_BAP,
HERMES_RID_CNFSCANSSID_AGERE,
HERMES_BYTES_TO_RECLEN(len + 2),
&idbuf);
} else
err = hermes_write_wordrec(hw, USER_BAP,
HERMES_RID_CNFSCANSSID_AGERE,
0); /* Any ESSID */
if (err)
break;
if (priv->has_ext_scan) {
/* Clear scan results at the start of
* an extended scan */
orinoco_clear_scan_results(priv,
msecs_to_jiffies(15000));
/* TODO: Is this available on older firmware?
* Can we use it to scan specific channels
* for IW_SCAN_THIS_FREQ? */
err = hermes_write_wordrec(hw, USER_BAP,
HERMES_RID_CNFSCANCHANNELS2GHZ,
0x7FFF);
if (err)
goto out;
err = hermes_inquire(hw,
HERMES_INQ_CHANNELINFO);
} else
err = hermes_inquire(hw, HERMES_INQ_SCAN);
break;
}
} else
err = hermes_inquire(hw, HERMES_INQ_SCAN);
/* One more client */
if (!err)
priv->scan_inprogress = 1;
out:
orinoco_unlock(priv, &flags);
return err;
}
#define MAX_CUSTOM_LEN 64
/* Translate scan data returned from the card to a card independant
* format that the Wireless Tools will understand - Jean II */
static inline char *orinoco_translate_scan(struct net_device *dev,
struct iw_request_info *info,
char *current_ev,
char *end_buf,
union hermes_scan_info *bss,
unsigned long last_scanned)
{
struct orinoco_private *priv = netdev_priv(dev);
u16 capabilities;
u16 channel;
struct iw_event iwe; /* Temporary buffer */
char custom[MAX_CUSTOM_LEN];
memset(&iwe, 0, sizeof(iwe));
/* First entry *MUST* be the AP MAC address */
iwe.cmd = SIOCGIWAP;
iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
memcpy(iwe.u.ap_addr.sa_data, bss->a.bssid, ETH_ALEN);
current_ev = iwe_stream_add_event(info, current_ev, end_buf,
&iwe, IW_EV_ADDR_LEN);
/* Other entries will be displayed in the order we give them */
/* Add the ESSID */
iwe.u.data.length = le16_to_cpu(bss->a.essid_len);
if (iwe.u.data.length > 32)
iwe.u.data.length = 32;
iwe.cmd = SIOCGIWESSID;
iwe.u.data.flags = 1;
current_ev = iwe_stream_add_point(info, current_ev, end_buf,
&iwe, bss->a.essid);
/* Add mode */
iwe.cmd = SIOCGIWMODE;
capabilities = le16_to_cpu(bss->a.capabilities);
if (capabilities & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)) {
if (capabilities & WLAN_CAPABILITY_ESS)
iwe.u.mode = IW_MODE_MASTER;
else
iwe.u.mode = IW_MODE_ADHOC;
current_ev = iwe_stream_add_event(info, current_ev, end_buf,
&iwe, IW_EV_UINT_LEN);
}
channel = bss->s.channel;
if ((channel >= 1) && (channel <= NUM_CHANNELS)) {
/* Add channel and frequency */
iwe.cmd = SIOCGIWFREQ;
iwe.u.freq.m = channel;
iwe.u.freq.e = 0;
current_ev = iwe_stream_add_event(info, current_ev, end_buf,
&iwe, IW_EV_FREQ_LEN);
iwe.u.freq.m = ieee80211_dsss_chan_to_freq(channel) * 100000;
iwe.u.freq.e = 1;
current_ev = iwe_stream_add_event(info, current_ev, end_buf,
&iwe, IW_EV_FREQ_LEN);
}
/* Add quality statistics. level and noise in dB. No link quality */
iwe.cmd = IWEVQUAL;
iwe.u.qual.updated = IW_QUAL_DBM | IW_QUAL_QUAL_INVALID;
iwe.u.qual.level = (__u8) le16_to_cpu(bss->a.level) - 0x95;
iwe.u.qual.noise = (__u8) le16_to_cpu(bss->a.noise) - 0x95;
/* Wireless tools prior to 27.pre22 will show link quality
* anyway, so we provide a reasonable value. */
if (iwe.u.qual.level > iwe.u.qual.noise)
iwe.u.qual.qual = iwe.u.qual.level - iwe.u.qual.noise;
else
iwe.u.qual.qual = 0;
current_ev = iwe_stream_add_event(info, current_ev, end_buf,
&iwe, IW_EV_QUAL_LEN);
/* Add encryption capability */
iwe.cmd = SIOCGIWENCODE;
if (capabilities & WLAN_CAPABILITY_PRIVACY)
iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
else
iwe.u.data.flags = IW_ENCODE_DISABLED;
iwe.u.data.length = 0;
current_ev = iwe_stream_add_point(info, current_ev, end_buf,
&iwe, NULL);
/* Bit rate is not available in Lucent/Agere firmwares */
if (priv->firmware_type != FIRMWARE_TYPE_AGERE) {
char *current_val = current_ev + iwe_stream_lcp_len(info);
int i;
int step;
if (priv->firmware_type == FIRMWARE_TYPE_SYMBOL)
step = 2;
else
step = 1;
iwe.cmd = SIOCGIWRATE;
/* Those two flags are ignored... */
iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
/* Max 10 values */
for (i = 0; i < 10; i += step) {
/* NULL terminated */
if (bss->p.rates[i] == 0x0)
break;
/* Bit rate given in 500 kb/s units (+ 0x80) */
iwe.u.bitrate.value =
((bss->p.rates[i] & 0x7f) * 500000);
current_val = iwe_stream_add_value(info, current_ev,
current_val,
end_buf, &iwe,
IW_EV_PARAM_LEN);
}
/* Check if we added any event */
if ((current_val - current_ev) > iwe_stream_lcp_len(info))
current_ev = current_val;
}
/* Beacon interval */
iwe.cmd = IWEVCUSTOM;
iwe.u.data.length = snprintf(custom, MAX_CUSTOM_LEN,
"bcn_int=%d",
le16_to_cpu(bss->a.beacon_interv));
if (iwe.u.data.length)
current_ev = iwe_stream_add_point(info, current_ev, end_buf,
&iwe, custom);
/* Capabilites */
iwe.cmd = IWEVCUSTOM;
iwe.u.data.length = snprintf(custom, MAX_CUSTOM_LEN,
"capab=0x%04x",
capabilities);
if (iwe.u.data.length)
current_ev = iwe_stream_add_point(info, current_ev, end_buf,
&iwe, custom);
/* Add EXTRA: Age to display seconds since last beacon/probe response
* for given network. */
iwe.cmd = IWEVCUSTOM;
iwe.u.data.length = snprintf(custom, MAX_CUSTOM_LEN,
" Last beacon: %dms ago",
jiffies_to_msecs(jiffies - last_scanned));
if (iwe.u.data.length)
current_ev = iwe_stream_add_point(info, current_ev, end_buf,
&iwe, custom);
return current_ev;
}
static inline char *orinoco_translate_ext_scan(struct net_device *dev,
struct iw_request_info *info,
char *current_ev,
char *end_buf,
struct agere_ext_scan_info *bss,
unsigned long last_scanned)
{
u16 capabilities;
u16 channel;
struct iw_event iwe; /* Temporary buffer */
char custom[MAX_CUSTOM_LEN];
u8 *ie;
memset(&iwe, 0, sizeof(iwe));
/* First entry *MUST* be the AP MAC address */
iwe.cmd = SIOCGIWAP;
iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
current_ev = iwe_stream_add_event(info, current_ev, end_buf,
&iwe, IW_EV_ADDR_LEN);
/* Other entries will be displayed in the order we give them */
/* Add the ESSID */
ie = bss->data;
iwe.u.data.length = ie[1];
if (iwe.u.data.length) {
if (iwe.u.data.length > 32)
iwe.u.data.length = 32;
iwe.cmd = SIOCGIWESSID;
iwe.u.data.flags = 1;
current_ev = iwe_stream_add_point(info, current_ev, end_buf,
&iwe, &ie[2]);
}
/* Add mode */
capabilities = le16_to_cpu(bss->capabilities);
if (capabilities & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)) {
iwe.cmd = SIOCGIWMODE;
if (capabilities & WLAN_CAPABILITY_ESS)
iwe.u.mode = IW_MODE_MASTER;
else
iwe.u.mode = IW_MODE_ADHOC;
current_ev = iwe_stream_add_event(info, current_ev, end_buf,
&iwe, IW_EV_UINT_LEN);
}
ie = orinoco_get_ie(bss->data, sizeof(bss->data), WLAN_EID_DS_PARAMS);
channel = ie ? ie[2] : 0;
if ((channel >= 1) && (channel <= NUM_CHANNELS)) {
/* Add channel and frequency */
iwe.cmd = SIOCGIWFREQ;
iwe.u.freq.m = channel;
iwe.u.freq.e = 0;
current_ev = iwe_stream_add_event(info, current_ev, end_buf,
&iwe, IW_EV_FREQ_LEN);
iwe.u.freq.m = ieee80211_dsss_chan_to_freq(channel) * 100000;
iwe.u.freq.e = 1;
current_ev = iwe_stream_add_event(info, current_ev, end_buf,
&iwe, IW_EV_FREQ_LEN);
}
/* Add quality statistics. level and noise in dB. No link quality */
iwe.cmd = IWEVQUAL;
iwe.u.qual.updated = IW_QUAL_DBM | IW_QUAL_QUAL_INVALID;
iwe.u.qual.level = bss->level - 0x95;
iwe.u.qual.noise = bss->noise - 0x95;
/* Wireless tools prior to 27.pre22 will show link quality
* anyway, so we provide a reasonable value. */
if (iwe.u.qual.level > iwe.u.qual.noise)
iwe.u.qual.qual = iwe.u.qual.level - iwe.u.qual.noise;
else
iwe.u.qual.qual = 0;
current_ev = iwe_stream_add_event(info, current_ev, end_buf,
&iwe, IW_EV_QUAL_LEN);
/* Add encryption capability */
iwe.cmd = SIOCGIWENCODE;
if (capabilities & WLAN_CAPABILITY_PRIVACY)
iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
else
iwe.u.data.flags = IW_ENCODE_DISABLED;
iwe.u.data.length = 0;
current_ev = iwe_stream_add_point(info, current_ev, end_buf,
&iwe, NULL);
/* WPA IE */
ie = orinoco_get_wpa_ie(bss->data, sizeof(bss->data));
if (ie) {
iwe.cmd = IWEVGENIE;
iwe.u.data.length = ie[1] + 2;
current_ev = iwe_stream_add_point(info, current_ev, end_buf,
&iwe, ie);
}
/* RSN IE */
ie = orinoco_get_ie(bss->data, sizeof(bss->data), WLAN_EID_RSN);
if (ie) {
iwe.cmd = IWEVGENIE;
iwe.u.data.length = ie[1] + 2;
current_ev = iwe_stream_add_point(info, current_ev, end_buf,
&iwe, ie);
}
ie = orinoco_get_ie(bss->data, sizeof(bss->data), WLAN_EID_SUPP_RATES);
if (ie) {
char *p = current_ev + iwe_stream_lcp_len(info);
int i;
iwe.cmd = SIOCGIWRATE;
/* Those two flags are ignored... */
iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
for (i = 2; i < (ie[1] + 2); i++) {
iwe.u.bitrate.value = ((ie[i] & 0x7F) * 500000);
p = iwe_stream_add_value(info, current_ev, p, end_buf,
&iwe, IW_EV_PARAM_LEN);
}
/* Check if we added any event */
if (p > (current_ev + iwe_stream_lcp_len(info)))
current_ev = p;
}
/* Timestamp */
iwe.cmd = IWEVCUSTOM;
iwe.u.data.length =
snprintf(custom, MAX_CUSTOM_LEN, "tsf=%016llx",
(unsigned long long) le64_to_cpu(bss->timestamp));
if (iwe.u.data.length)
current_ev = iwe_stream_add_point(info, current_ev, end_buf,
&iwe, custom);
/* Beacon interval */
iwe.cmd = IWEVCUSTOM;
iwe.u.data.length = snprintf(custom, MAX_CUSTOM_LEN,
"bcn_int=%d",
le16_to_cpu(bss->beacon_interval));
if (iwe.u.data.length)
current_ev = iwe_stream_add_point(info, current_ev, end_buf,
&iwe, custom);
/* Capabilites */
iwe.cmd = IWEVCUSTOM;
iwe.u.data.length = snprintf(custom, MAX_CUSTOM_LEN,
"capab=0x%04x",
capabilities);
if (iwe.u.data.length)
current_ev = iwe_stream_add_point(info, current_ev, end_buf,
&iwe, custom);
/* Add EXTRA: Age to display seconds since last beacon/probe response
* for given network. */
iwe.cmd = IWEVCUSTOM;
iwe.u.data.length = snprintf(custom, MAX_CUSTOM_LEN,
" Last beacon: %dms ago",
jiffies_to_msecs(jiffies - last_scanned));
if (iwe.u.data.length)
current_ev = iwe_stream_add_point(info, current_ev, end_buf,
&iwe, custom);
return current_ev;
}
/* Return results of a scan */
static int orinoco_ioctl_getscan(struct net_device *dev,
struct iw_request_info *info,
struct iw_point *srq,
char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
int err = 0;
unsigned long flags;
char *current_ev = extra;
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
if (priv->scan_inprogress) {
/* Important note : we don't want to block the caller
* until results are ready for various reasons.
* First, managing wait queues is complex and racy.
* Second, we grab some rtnetlink lock before comming
* here (in dev_ioctl()).
* Third, we generate an Wireless Event, so the
* caller can wait itself on that - Jean II */
err = -EAGAIN;
goto out;
}
if (priv->has_ext_scan) {
struct xbss_element *bss;
list_for_each_entry(bss, &priv->bss_list, list) {
/* Translate this entry to WE format */
current_ev =
orinoco_translate_ext_scan(dev, info,
current_ev,
extra + srq->length,
&bss->bss,
bss->last_scanned);
/* Check if there is space for one more entry */
if ((extra + srq->length - current_ev)
<= IW_EV_ADDR_LEN) {
/* Ask user space to try again with a
* bigger buffer */
err = -E2BIG;
goto out;
}
}
} else {
struct bss_element *bss;
list_for_each_entry(bss, &priv->bss_list, list) {
/* Translate this entry to WE format */
current_ev = orinoco_translate_scan(dev, info,
current_ev,
extra + srq->length,
&bss->bss,
bss->last_scanned);
/* Check if there is space for one more entry */
if ((extra + srq->length - current_ev)
<= IW_EV_ADDR_LEN) {
/* Ask user space to try again with a
* bigger buffer */
err = -E2BIG;
goto out;
}
}
}
srq->length = (current_ev - extra);
srq->flags = (__u16) priv->scan_mode;
out:
orinoco_unlock(priv, &flags);
return err;
}
/* Commit handler, called after set operations */
static int orinoco_ioctl_commit(struct net_device *dev,
struct iw_request_info *info,
void *wrqu,
char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
struct hermes *hw = &priv->hw;
unsigned long flags;
int err = 0;
if (!priv->open)
return 0;
if (priv->broken_disableport) {
orinoco_reset(&priv->reset_work);
return 0;
}
if (orinoco_lock(priv, &flags) != 0)
return err;
err = hermes_disable_port(hw, 0);
if (err) {
printk(KERN_WARNING "%s: Unable to disable port "
"while reconfiguring card\n", dev->name);
priv->broken_disableport = 1;
goto out;
}
err = __orinoco_program_rids(dev);
if (err) {
printk(KERN_WARNING "%s: Unable to reconfigure card\n",
dev->name);
goto out;
}
err = hermes_enable_port(hw, 0);
if (err) {
printk(KERN_WARNING "%s: Unable to enable port while reconfiguring card\n",
dev->name);
goto out;
}
out:
if (err) {
printk(KERN_WARNING "%s: Resetting instead...\n", dev->name);
schedule_work(&priv->reset_work);
err = 0;
}
orinoco_unlock(priv, &flags);
return err;
}
static const struct iw_priv_args orinoco_privtab[] = {
{ SIOCIWFIRSTPRIV + 0x0, 0, 0, "force_reset" },
{ SIOCIWFIRSTPRIV + 0x1, 0, 0, "card_reset" },
{ SIOCIWFIRSTPRIV + 0x2, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
0, "set_port3" },
{ SIOCIWFIRSTPRIV + 0x3, 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
"get_port3" },
{ SIOCIWFIRSTPRIV + 0x4, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
0, "set_preamble" },
{ SIOCIWFIRSTPRIV + 0x5, 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
"get_preamble" },
{ SIOCIWFIRSTPRIV + 0x6, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
0, "set_ibssport" },
{ SIOCIWFIRSTPRIV + 0x7, 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
"get_ibssport" },
{ SIOCIWFIRSTPRIV + 0x9, 0, IW_PRIV_TYPE_BYTE | MAX_RID_LEN,
"get_rid" },
};
/*
* Structures to export the Wireless Handlers
*/
#define STD_IW_HANDLER(id, func) \
[IW_IOCTL_IDX(id)] = (iw_handler) func
static const iw_handler orinoco_handler[] = {
STD_IW_HANDLER(SIOCSIWCOMMIT, orinoco_ioctl_commit),
STD_IW_HANDLER(SIOCGIWNAME, orinoco_ioctl_getname),
STD_IW_HANDLER(SIOCSIWFREQ, orinoco_ioctl_setfreq),
STD_IW_HANDLER(SIOCGIWFREQ, orinoco_ioctl_getfreq),
STD_IW_HANDLER(SIOCSIWMODE, orinoco_ioctl_setmode),
STD_IW_HANDLER(SIOCGIWMODE, orinoco_ioctl_getmode),
STD_IW_HANDLER(SIOCSIWSENS, orinoco_ioctl_setsens),
STD_IW_HANDLER(SIOCGIWSENS, orinoco_ioctl_getsens),
STD_IW_HANDLER(SIOCGIWRANGE, orinoco_ioctl_getiwrange),
STD_IW_HANDLER(SIOCSIWSPY, iw_handler_set_spy),
STD_IW_HANDLER(SIOCGIWSPY, iw_handler_get_spy),
STD_IW_HANDLER(SIOCSIWTHRSPY, iw_handler_set_thrspy),
STD_IW_HANDLER(SIOCGIWTHRSPY, iw_handler_get_thrspy),
STD_IW_HANDLER(SIOCSIWAP, orinoco_ioctl_setwap),
STD_IW_HANDLER(SIOCGIWAP, orinoco_ioctl_getwap),
STD_IW_HANDLER(SIOCSIWSCAN, orinoco_ioctl_setscan),
STD_IW_HANDLER(SIOCGIWSCAN, orinoco_ioctl_getscan),
STD_IW_HANDLER(SIOCSIWESSID, orinoco_ioctl_setessid),
STD_IW_HANDLER(SIOCGIWESSID, orinoco_ioctl_getessid),
STD_IW_HANDLER(SIOCSIWNICKN, orinoco_ioctl_setnick),
STD_IW_HANDLER(SIOCGIWNICKN, orinoco_ioctl_getnick),
STD_IW_HANDLER(SIOCSIWRATE, orinoco_ioctl_setrate),
STD_IW_HANDLER(SIOCGIWRATE, orinoco_ioctl_getrate),
STD_IW_HANDLER(SIOCSIWRTS, orinoco_ioctl_setrts),
STD_IW_HANDLER(SIOCGIWRTS, orinoco_ioctl_getrts),
STD_IW_HANDLER(SIOCSIWFRAG, orinoco_ioctl_setfrag),
STD_IW_HANDLER(SIOCGIWFRAG, orinoco_ioctl_getfrag),
STD_IW_HANDLER(SIOCGIWRETRY, orinoco_ioctl_getretry),
STD_IW_HANDLER(SIOCSIWENCODE, orinoco_ioctl_setiwencode),
STD_IW_HANDLER(SIOCGIWENCODE, orinoco_ioctl_getiwencode),
STD_IW_HANDLER(SIOCSIWPOWER, orinoco_ioctl_setpower),
STD_IW_HANDLER(SIOCGIWPOWER, orinoco_ioctl_getpower),
STD_IW_HANDLER(SIOCSIWGENIE, orinoco_ioctl_set_genie),
STD_IW_HANDLER(SIOCGIWGENIE, orinoco_ioctl_get_genie),
STD_IW_HANDLER(SIOCSIWMLME, orinoco_ioctl_set_mlme),
STD_IW_HANDLER(SIOCSIWAUTH, orinoco_ioctl_set_auth),
STD_IW_HANDLER(SIOCGIWAUTH, orinoco_ioctl_get_auth),
STD_IW_HANDLER(SIOCSIWENCODEEXT, orinoco_ioctl_set_encodeext),
STD_IW_HANDLER(SIOCGIWENCODEEXT, orinoco_ioctl_get_encodeext),
};
/*
Added typecasting since we no longer use iwreq_data -- Moustafa
*/
static const iw_handler orinoco_private_handler[] = {
[0] = (iw_handler) orinoco_ioctl_reset,
[1] = (iw_handler) orinoco_ioctl_reset,
[2] = (iw_handler) orinoco_ioctl_setport3,
[3] = (iw_handler) orinoco_ioctl_getport3,
[4] = (iw_handler) orinoco_ioctl_setpreamble,
[5] = (iw_handler) orinoco_ioctl_getpreamble,
[6] = (iw_handler) orinoco_ioctl_setibssport,
[7] = (iw_handler) orinoco_ioctl_getibssport,
[9] = (iw_handler) orinoco_ioctl_getrid,
};
const struct iw_handler_def orinoco_handler_def = {
.num_standard = ARRAY_SIZE(orinoco_handler),
.num_private = ARRAY_SIZE(orinoco_private_handler),
.num_private_args = ARRAY_SIZE(orinoco_privtab),
.standard = orinoco_handler,
.private = orinoco_private_handler,
.private_args = orinoco_privtab,
.get_wireless_stats = orinoco_get_wireless_stats,
};
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