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linux-zen-server/drivers/net/wireless/intersil/orinoco/wext.c

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Initial commit
2023-08-30 17:53:23 +02:00
/* Wireless extensions support.
*
* See copyright notice in main.c
*/
#include <linux/slab.h>
#include <linux/kernel.h>
#include <linux/if_arp.h>
#include <linux/wireless.h>
#include <linux/ieee80211.h>
#include <linux/etherdevice.h>
#include <net/iw_handler.h>
#include <net/cfg80211.h>
#include <net/cfg80211-wext.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
/* Helper routine to record keys
* It is called under orinoco_lock so it may not sleep */
static int orinoco_set_key(struct orinoco_private *priv, int index,
enum orinoco_alg alg, const u8 *key, int key_len,
const u8 *seq, int seq_len)
{
kfree_sensitive(priv->keys[index].key);
kfree_sensitive(priv->keys[index].seq);
if (key_len) {
priv->keys[index].key = kzalloc(key_len, GFP_ATOMIC);
if (!priv->keys[index].key)
goto nomem;
} else
priv->keys[index].key = NULL;
if (seq_len) {
priv->keys[index].seq = kzalloc(seq_len, GFP_ATOMIC);
if (!priv->keys[index].seq)
goto free_key;
} else
priv->keys[index].seq = NULL;
priv->keys[index].key_len = key_len;
priv->keys[index].seq_len = seq_len;
if (key_len)
memcpy((void *)priv->keys[index].key, key, key_len);
if (seq_len)
memcpy((void *)priv->keys[index].seq, seq, seq_len);
switch (alg) {
case ORINOCO_ALG_TKIP:
priv->keys[index].cipher = WLAN_CIPHER_SUITE_TKIP;
break;
case ORINOCO_ALG_WEP:
priv->keys[index].cipher = (key_len > SMALL_KEY_SIZE) ?
WLAN_CIPHER_SUITE_WEP104 : WLAN_CIPHER_SUITE_WEP40;
break;
case ORINOCO_ALG_NONE:
default:
priv->keys[index].cipher = 0;
break;
}
return 0;
free_key:
kfree(priv->keys[index].key);
priv->keys[index].key = NULL;
nomem:
priv->keys[index].key_len = 0;
priv->keys[index].seq_len = 0;
priv->keys[index].cipher = 0;
return -ENOMEM;
}
static struct iw_statistics *orinoco_get_wireless_stats(struct net_device *dev)
{
struct orinoco_private *priv = ndev_priv(dev);
struct hermes *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 == NL80211_IFTYPE_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;
} __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_setwap(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu,
char *extra)
{
struct sockaddr *ap_addr = &wrqu->ap_addr;
struct orinoco_private *priv = ndev_priv(dev);
int err = -EINPROGRESS; /* Call commit handler */
unsigned long flags;
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
/* Enable automatic roaming - no sanity checks are needed */
if (is_zero_ether_addr(ap_addr->sa_data) ||
is_broadcast_ether_addr(ap_addr->sa_data)) {
priv->bssid_fixed = 0;
eth_zero_addr(priv->desired_bssid);
/* "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 != NL80211_IFTYPE_STATION) {
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,
union iwreq_data *wrqu,
char *extra)
{
struct sockaddr *ap_addr = &wrqu->ap_addr;
struct orinoco_private *priv = ndev_priv(dev);
int err = 0;
unsigned long flags;
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
ap_addr->sa_family = ARPHRD_ETHER;
err = orinoco_hw_get_current_bssid(priv, ap_addr->sa_data);
orinoco_unlock(priv, &flags);
return err;
}
static int orinoco_ioctl_setiwencode(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu,
char *keybuf)
{
struct iw_point *erq = &wrqu->encoding;
struct orinoco_private *priv = ndev_priv(dev);
int index = (erq->flags & IW_ENCODE_INDEX) - 1;
int setindex = priv->tx_key;
enum orinoco_alg encode_alg = priv->encode_alg;
int restricted = priv->wep_restrict;
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 == ORINOCO_ALG_TKIP))
(void) orinoco_clear_tkip_key(priv, setindex);
if (erq->length > 0) {
if ((index < 0) || (index >= ORINOCO_MAX_KEYS))
index = priv->tx_key;
/* Switch on WEP if off */
if (encode_alg != ORINOCO_ALG_WEP) {
setindex = index;
encode_alg = ORINOCO_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].key_len == 0) {
err = -EINVAL;
goto out;
}
setindex = index;
}
}
if (erq->flags & IW_ENCODE_DISABLED)
encode_alg = ORINOCO_ALG_NONE;
if (erq->flags & IW_ENCODE_OPEN)
restricted = 0;
if (erq->flags & IW_ENCODE_RESTRICTED)
restricted = 1;
if (erq->pointer && erq->length > 0) {
err = orinoco_set_key(priv, index, ORINOCO_ALG_WEP, keybuf,
erq->length, NULL, 0);
}
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,
union iwreq_data *wrqu,
char *keybuf)
{
struct iw_point *erq = &wrqu->encoding;
struct orinoco_private *priv = ndev_priv(dev);
int index = (erq->flags & IW_ENCODE_INDEX) - 1;
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;
erq->length = priv->keys[index].key_len;
memcpy(keybuf, priv->keys[index].key, erq->length);
orinoco_unlock(priv, &flags);
return 0;
}
static int orinoco_ioctl_setessid(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu,
char *essidbuf)
{
struct iw_point *erq = &wrqu->essid;
struct orinoco_private *priv = ndev_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,
union iwreq_data *wrqu,
char *essidbuf)
{
struct iw_point *erq = &wrqu->essid;
struct orinoco_private *priv = ndev_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_setfreq(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu,
char *extra)
{
struct iw_freq *frq = &wrqu->freq;
struct orinoco_private *priv = ndev_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 == NL80211_IFTYPE_STATION)
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_frequency_to_channel(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 == NL80211_IFTYPE_MONITOR) {
/* Fast channel change - no commit if successful */
struct hermes *hw = &priv->hw;
err = hw->ops->cmd_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,
union iwreq_data *wrqu,
char *extra)
{
struct iw_freq *frq = &wrqu->freq;
struct orinoco_private *priv = ndev_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,
union iwreq_data *wrqu,
char *extra)
{
struct iw_param *srq = &wrqu->sens;
struct orinoco_private *priv = ndev_priv(dev);
struct hermes *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,
union iwreq_data *wrqu,
char *extra)
{
struct iw_param *srq = &wrqu->sens;
struct orinoco_private *priv = ndev_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_setrate(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu,
char *extra)
{
struct iw_param *rrq = &wrqu->bitrate;
struct orinoco_private *priv = ndev_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,
union iwreq_data *wrqu,
char *extra)
{
struct iw_param *rrq = &wrqu->bitrate;
struct orinoco_private *priv = ndev_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)) {
int act_bitrate;
int lerr;
/* Ignore errors if we can't get the actual bitrate */
lerr = orinoco_hw_get_act_bitrate(priv, &act_bitrate);
if (!lerr)
bitrate = act_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,
union iwreq_data *wrqu,
char *extra)
{
struct iw_param *prq = &wrqu->power;
struct orinoco_private *priv = ndev_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,
union iwreq_data *wrqu,
char *extra)
{
struct iw_param *prq = &wrqu->power;
struct orinoco_private *priv = ndev_priv(dev);
struct hermes *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 = ndev_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;
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 = ORINOCO_ALG_NONE;
err = orinoco_set_key(priv, idx, ORINOCO_ALG_NONE,
NULL, 0, NULL, 0);
break;
case IW_ENCODE_ALG_WEP:
if (ext->key_len <= 0)
goto out;
priv->encode_alg = ORINOCO_ALG_WEP;
err = orinoco_set_key(priv, idx, ORINOCO_ALG_WEP,
ext->key, ext->key_len, NULL, 0);
break;
case IW_ENCODE_ALG_TKIP:
{
u8 *tkip_iv = NULL;
if (!priv->has_wpa ||
(ext->key_len > sizeof(struct orinoco_tkip_key)))
goto out;
priv->encode_alg = ORINOCO_ALG_TKIP;
if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID)
tkip_iv = &ext->rx_seq[0];
err = orinoco_set_key(priv, idx, ORINOCO_ALG_TKIP,
ext->key, ext->key_len, tkip_iv,
ORINOCO_SEQ_LEN);
err = __orinoco_hw_set_tkip_key(priv, idx,
ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY,
priv->keys[idx].key, priv->keys[idx].key_len,
tkip_iv, ORINOCO_SEQ_LEN, NULL, 0);
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 = ndev_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));
switch (priv->encode_alg) {
case ORINOCO_ALG_NONE:
ext->alg = IW_ENCODE_ALG_NONE;
ext->key_len = 0;
encoding->flags |= IW_ENCODE_DISABLED;
break;
case ORINOCO_ALG_WEP:
ext->alg = IW_ENCODE_ALG_WEP;
ext->key_len = min(priv->keys[idx].key_len, max_key_len);
memcpy(ext->key, priv->keys[idx].key, ext->key_len);
encoding->flags |= IW_ENCODE_ENABLED;
break;
case ORINOCO_ALG_TKIP:
ext->alg = IW_ENCODE_ALG_TKIP;
ext->key_len = min(priv->keys[idx].key_len, max_key_len);
memcpy(ext->key, priv->keys[idx].key, 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 = ndev_priv(dev);
struct hermes *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_MFP:
/* Management Frame Protection not supported.
* Only fail if set to required.
*/
if (param->value == IW_AUTH_MFP_REQUIRED)
ret = -EINVAL;
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_disable_port(hw, 0);
} else {
priv->tkip_cm_active = 0;
ret = hermes_enable_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 = ndev_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 = ndev_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 = kmemdup(extra, wrqu->data.length, GFP_KERNEL);
if (buf == NULL)
return -ENOMEM;
} 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 = ndev_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 = ndev_priv(dev);
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:
ret = orinoco_hw_disassociate(priv, mlme->addr.sa_data,
mlme->reason_code);
break;
default:
ret = -EOPNOTSUPP;
}
orinoco_unlock(priv, &flags);
return ret;
}
static int orinoco_ioctl_reset(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu,
char *extra)
{
struct orinoco_private *priv = ndev_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,
union iwreq_data *wrqu,
char *extra)
{
struct orinoco_private *priv = ndev_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,
union iwreq_data *wrqu,
char *extra)
{
struct orinoco_private *priv = ndev_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,
union iwreq_data *wrqu,
char *extra)
{
struct orinoco_private *priv = ndev_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,
union iwreq_data *wrqu,
char *extra)
{
struct orinoco_private *priv = ndev_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,
union iwreq_data *wrqu,
char *extra)
{
struct orinoco_private *priv = ndev_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,
union iwreq_data *wrqu,
char *extra)
{
struct orinoco_private *priv = ndev_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,
union iwreq_data *wrqu,
char *extra)
{
struct iw_point *data = &wrqu->data;
struct orinoco_private *priv = ndev_priv(dev);
struct hermes *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 = hw->ops->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;
}
/* Commit handler, called after set operations */
static int orinoco_ioctl_commit(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu,
char *extra)
{
struct orinoco_private *priv = ndev_priv(dev);
unsigned long flags;
int err = 0;
if (!priv->open)
return 0;
if (orinoco_lock(priv, &flags) != 0)
return err;
err = orinoco_commit(priv);
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
*/
static const iw_handler orinoco_handler[] = {
IW_HANDLER(SIOCSIWCOMMIT, orinoco_ioctl_commit),
IW_HANDLER(SIOCGIWNAME, cfg80211_wext_giwname),
IW_HANDLER(SIOCSIWFREQ, orinoco_ioctl_setfreq),
IW_HANDLER(SIOCGIWFREQ, orinoco_ioctl_getfreq),
IW_HANDLER(SIOCSIWMODE, cfg80211_wext_siwmode),
IW_HANDLER(SIOCGIWMODE, cfg80211_wext_giwmode),
IW_HANDLER(SIOCSIWSENS, orinoco_ioctl_setsens),
IW_HANDLER(SIOCGIWSENS, orinoco_ioctl_getsens),
IW_HANDLER(SIOCGIWRANGE, cfg80211_wext_giwrange),
IW_HANDLER(SIOCSIWSPY, iw_handler_set_spy),
IW_HANDLER(SIOCGIWSPY, iw_handler_get_spy),
IW_HANDLER(SIOCSIWTHRSPY, iw_handler_set_thrspy),
IW_HANDLER(SIOCGIWTHRSPY, iw_handler_get_thrspy),
IW_HANDLER(SIOCSIWAP, orinoco_ioctl_setwap),
IW_HANDLER(SIOCGIWAP, orinoco_ioctl_getwap),
IW_HANDLER(SIOCSIWSCAN, cfg80211_wext_siwscan),
IW_HANDLER(SIOCGIWSCAN, cfg80211_wext_giwscan),
IW_HANDLER(SIOCSIWESSID, orinoco_ioctl_setessid),
IW_HANDLER(SIOCGIWESSID, orinoco_ioctl_getessid),
IW_HANDLER(SIOCSIWRATE, orinoco_ioctl_setrate),
IW_HANDLER(SIOCGIWRATE, orinoco_ioctl_getrate),
IW_HANDLER(SIOCSIWRTS, cfg80211_wext_siwrts),
IW_HANDLER(SIOCGIWRTS, cfg80211_wext_giwrts),
IW_HANDLER(SIOCSIWFRAG, cfg80211_wext_siwfrag),
IW_HANDLER(SIOCGIWFRAG, cfg80211_wext_giwfrag),
IW_HANDLER(SIOCGIWRETRY, cfg80211_wext_giwretry),
IW_HANDLER(SIOCSIWENCODE, orinoco_ioctl_setiwencode),
IW_HANDLER(SIOCGIWENCODE, orinoco_ioctl_getiwencode),
IW_HANDLER(SIOCSIWPOWER, orinoco_ioctl_setpower),
IW_HANDLER(SIOCGIWPOWER, orinoco_ioctl_getpower),
IW_HANDLER(SIOCSIWGENIE, orinoco_ioctl_set_genie),
IW_HANDLER(SIOCGIWGENIE, orinoco_ioctl_get_genie),
IW_HANDLER(SIOCSIWMLME, orinoco_ioctl_set_mlme),
IW_HANDLER(SIOCSIWAUTH, orinoco_ioctl_set_auth),
IW_HANDLER(SIOCGIWAUTH, orinoco_ioctl_get_auth),
IW_HANDLER(SIOCSIWENCODEEXT, orinoco_ioctl_set_encodeext),
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] = orinoco_ioctl_reset,
[1] = orinoco_ioctl_reset,
[2] = orinoco_ioctl_setport3,
[3] = orinoco_ioctl_getport3,
[4] = orinoco_ioctl_setpreamble,
[5] = orinoco_ioctl_getpreamble,
[6] = orinoco_ioctl_setibssport,
[7] = orinoco_ioctl_getibssport,
[9] = 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,
};