--- /dev/null
+/* 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)
+{
+ kzfree(priv->keys[index].key);
+ kzfree(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,
+ struct sockaddr *ap_addr,
+ char *extra)
+{
+ 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,
+ struct sockaddr *ap_addr,
+ char *extra)
+{
+ 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,
+ struct iw_point *erq,
+ char *keybuf)
+{
+ 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,
+ struct iw_point *erq,
+ char *keybuf)
+{
+ 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,
+ struct iw_point *erq,
+ char *essidbuf)
+{
+ 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,
+ struct iw_point *erq,
+ char *essidbuf)
+{
+ 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,
+ struct iw_freq *frq,
+ char *extra)
+{
+ 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,
+ struct iw_freq *frq,
+ char *extra)
+{
+ 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,
+ struct iw_param *srq,
+ char *extra)
+{
+ 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,
+ struct iw_param *srq,
+ char *extra)
+{
+ 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,
+ struct iw_param *rrq,
+ char *extra)
+{
+ 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,
+ struct iw_param *rrq,
+ char *extra)
+{
+ 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,
+ struct iw_param *prq,
+ char *extra)
+{
+ 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,
+ struct iw_param *prq,
+ char *extra)
+{
+ 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,
+ 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,
+ void *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,
+ void *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,
+ void *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,
+ void *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,
+ void *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,
+ void *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,
+ void *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,
+ struct iw_point *data,
+ char *extra)
+{
+ 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,
+ void *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, (iw_handler)orinoco_ioctl_commit),
+ IW_HANDLER(SIOCGIWNAME, (iw_handler)cfg80211_wext_giwname),
+ IW_HANDLER(SIOCSIWFREQ, (iw_handler)orinoco_ioctl_setfreq),
+ IW_HANDLER(SIOCGIWFREQ, (iw_handler)orinoco_ioctl_getfreq),
+ IW_HANDLER(SIOCSIWMODE, (iw_handler)cfg80211_wext_siwmode),
+ IW_HANDLER(SIOCGIWMODE, (iw_handler)cfg80211_wext_giwmode),
+ IW_HANDLER(SIOCSIWSENS, (iw_handler)orinoco_ioctl_setsens),
+ IW_HANDLER(SIOCGIWSENS, (iw_handler)orinoco_ioctl_getsens),
+ IW_HANDLER(SIOCGIWRANGE, (iw_handler)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, (iw_handler)orinoco_ioctl_setwap),
+ IW_HANDLER(SIOCGIWAP, (iw_handler)orinoco_ioctl_getwap),
+ IW_HANDLER(SIOCSIWSCAN, (iw_handler)cfg80211_wext_siwscan),
+ IW_HANDLER(SIOCGIWSCAN, (iw_handler)cfg80211_wext_giwscan),
+ IW_HANDLER(SIOCSIWESSID, (iw_handler)orinoco_ioctl_setessid),
+ IW_HANDLER(SIOCGIWESSID, (iw_handler)orinoco_ioctl_getessid),
+ IW_HANDLER(SIOCSIWRATE, (iw_handler)orinoco_ioctl_setrate),
+ IW_HANDLER(SIOCGIWRATE, (iw_handler)orinoco_ioctl_getrate),
+ IW_HANDLER(SIOCSIWRTS, (iw_handler)cfg80211_wext_siwrts),
+ IW_HANDLER(SIOCGIWRTS, (iw_handler)cfg80211_wext_giwrts),
+ IW_HANDLER(SIOCSIWFRAG, (iw_handler)cfg80211_wext_siwfrag),
+ IW_HANDLER(SIOCGIWFRAG, (iw_handler)cfg80211_wext_giwfrag),
+ IW_HANDLER(SIOCGIWRETRY, (iw_handler)cfg80211_wext_giwretry),
+ IW_HANDLER(SIOCSIWENCODE, (iw_handler)orinoco_ioctl_setiwencode),
+ IW_HANDLER(SIOCGIWENCODE, (iw_handler)orinoco_ioctl_getiwencode),
+ IW_HANDLER(SIOCSIWPOWER, (iw_handler)orinoco_ioctl_setpower),
+ IW_HANDLER(SIOCGIWPOWER, (iw_handler)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] = (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,
+};
Code Review / kvmfornfv.git / blobdiff