// SPDX-License-Identifier: GPL-2.0
/* ioctl() (mostly Linux Wireless Extensions) routines for Host AP driver */

#include <linux/slab.h>
#include <linux/types.h>
#include <linux/sched/signal.h>
#include <linux/ethtool.h>
#include <linux/if_arp.h>
#include <linux/module.h>
#include <linux/etherdevice.h>
#include <net/lib80211.h>

#include "hostap_wlan.h"
#include "hostap.h"
#include "hostap_ap.h"

static struct iw_statistics *hostap_get_wireless_stats(struct net_device *dev)
{
        struct hostap_interface *iface;
        local_info_t *local;
        struct iw_statistics *wstats;

        iface = netdev_priv(dev);
        local = iface->local;

        /* Why are we doing that ? Jean II */
        if (iface->type != HOSTAP_INTERFACE_MAIN)
                return NULL;

        wstats = &local->wstats;

        wstats->status = 0;
        wstats->discard.code =
                local->comm_tallies.rx_discards_wep_undecryptable;
        wstats->discard.misc =
                local->comm_tallies.rx_fcs_errors +
                local->comm_tallies.rx_discards_no_buffer +
                local->comm_tallies.tx_discards_wrong_sa;

        wstats->discard.retries =
                local->comm_tallies.tx_retry_limit_exceeded;
        wstats->discard.fragment =
                local->comm_tallies.rx_message_in_bad_msg_fragments;

        if (local->iw_mode != IW_MODE_MASTER &&
            local->iw_mode != IW_MODE_REPEAT) {
                int update = 1;
#ifdef in_atomic
                /* RID reading might sleep and it must not be called in
                 * interrupt context or while atomic. However, this
                 * function seems to be called while atomic (at least in Linux
                 * 2.5.59). Update signal quality values only if in suitable
                 * context. Otherwise, previous values read from tick timer
                 * will be used. */
                if (in_atomic())
                        update = 0;
#endif /* in_atomic */

                if (update && prism2_update_comms_qual(dev) == 0)
                        wstats->qual.updated = IW_QUAL_ALL_UPDATED |
                                IW_QUAL_DBM;

                wstats->qual.qual = local->comms_qual;
                wstats->qual.level = local->avg_signal;
                wstats->qual.noise = local->avg_noise;
        } else {
                wstats->qual.qual = 0;
                wstats->qual.level = 0;
                wstats->qual.noise = 0;
                wstats->qual.updated = IW_QUAL_ALL_INVALID;
        }

        return wstats;
}


static int prism2_get_datarates(struct net_device *dev, u8 *rates)
{
        struct hostap_interface *iface;
        local_info_t *local;
        u8 buf[12];
        int len;
        u16 val;

        iface = netdev_priv(dev);
        local = iface->local;

        len = local->func->get_rid(dev, HFA384X_RID_SUPPORTEDDATARATES, buf,
                                   sizeof(buf), 0);
        if (len < 2)
                return 0;

        val = le16_to_cpu(*(__le16 *) buf); /* string length */

        if (len - 2 < val || val > 10)
                return 0;

        memcpy(rates, buf + 2, val);
        return val;
}


static int prism2_get_name(struct net_device *dev,
                           struct iw_request_info *info,
                           char *name, char *extra)
{
        u8 rates[10];
        int len, i, over2 = 0;

        len = prism2_get_datarates(dev, rates);

        for (i = 0; i < len; i++) {
                if (rates[i] == 0x0b || rates[i] == 0x16) {
                        over2 = 1;
                        break;
                }
        }

        strcpy(name, over2 ? "IEEE 802.11b" : "IEEE 802.11-DS");

        return 0;
}


static int prism2_ioctl_siwencode(struct net_device *dev,
                                  struct iw_request_info *info,
                                  struct iw_point *erq, char *keybuf)
{
        struct hostap_interface *iface;
        local_info_t *local;
        int i;
        struct lib80211_crypt_data **crypt;

        iface = netdev_priv(dev);
        local = iface->local;

        i = erq->flags & IW_ENCODE_INDEX;
        if (i < 1 || i > 4)
                i = local->crypt_info.tx_keyidx;
        else
                i--;
        if (i < 0 || i >= WEP_KEYS)
                return -EINVAL;

        crypt = &local->crypt_info.crypt[i];

        if (erq->flags & IW_ENCODE_DISABLED) {
                if (*crypt)
                        lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
                goto done;
        }

        if (*crypt != NULL && (*crypt)->ops != NULL &&
            strcmp((*crypt)->ops->name, "WEP") != 0) {
                /* changing to use WEP; deinit previously used algorithm */
                lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
        }

        if (*crypt == NULL) {
                struct lib80211_crypt_data *new_crypt;

                /* take WEP into use */
                new_crypt = kzalloc(sizeof(struct lib80211_crypt_data),
                                GFP_KERNEL);
                if (new_crypt == NULL)
                        return -ENOMEM;
                new_crypt->ops = lib80211_get_crypto_ops("WEP");
                if (!new_crypt->ops) {
                        request_module("lib80211_crypt_wep");
                        new_crypt->ops = lib80211_get_crypto_ops("WEP");
                }
                if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
                        new_crypt->priv = new_crypt->ops->init(i);
                if (!new_crypt->ops || !new_crypt->priv) {
                        kfree(new_crypt);
                        new_crypt = NULL;

                        printk(KERN_WARNING "%s: could not initialize WEP: "
                               "load module hostap_crypt_wep.o\n",
                               dev->name);
                        return -EOPNOTSUPP;
                }
                *crypt = new_crypt;
        }

        if (erq->length > 0) {
                int len = erq->length <= 5 ? 5 : 13;
                int first = 1, j;
                if (len > erq->length)
                        memset(keybuf + erq->length, 0, len - erq->length);
                (*crypt)->ops->set_key(keybuf, len, NULL, (*crypt)->priv);
                for (j = 0; j < WEP_KEYS; j++) {
                        if (j != i && local->crypt_info.crypt[j]) {
                                first = 0;
                                break;
                        }
                }
                if (first)
                        local->crypt_info.tx_keyidx = i;
        } else {
                /* No key data - just set the default TX key index */
                local->crypt_info.tx_keyidx = i;
        }

 done:
        local->open_wep = erq->flags & IW_ENCODE_OPEN;

        if (hostap_set_encryption(local)) {
                printk(KERN_DEBUG "%s: set_encryption failed\n", dev->name);
                return -EINVAL;
        }

        /* Do not reset port0 if card is in Managed mode since resetting will
         * generate new IEEE 802.11 authentication which may end up in looping
         * with IEEE 802.1X. Prism2 documentation seem to require port reset
         * after WEP configuration. However, keys are apparently changed at
         * least in Managed mode. */
        if (local->iw_mode != IW_MODE_INFRA && local->func->reset_port(dev)) {
                printk(KERN_DEBUG "%s: reset_port failed\n", dev->name);
                return -EINVAL;
        }

        return 0;
}


static int prism2_ioctl_giwencode(struct net_device *dev,
                                  struct iw_request_info *info,
                                  struct iw_point *erq, char *key)
{
        struct hostap_interface *iface;
        local_info_t *local;
        int i, len;
        u16 val;
        struct lib80211_crypt_data *crypt;

        iface = netdev_priv(dev);
        local = iface->local;

        i = erq->flags & IW_ENCODE_INDEX;
        if (i < 1 || i > 4)
                i = local->crypt_info.tx_keyidx;
        else
                i--;
        if (i < 0 || i >= WEP_KEYS)
                return -EINVAL;

        crypt = local->crypt_info.crypt[i];
        erq->flags = i + 1;

        if (crypt == NULL || crypt->ops == NULL) {
                erq->length = 0;
                erq->flags |= IW_ENCODE_DISABLED;
                return 0;
        }

        if (strcmp(crypt->ops->name, "WEP") != 0) {
                /* only WEP is supported with wireless extensions, so just
                 * report that encryption is used */
                erq->length = 0;
                erq->flags |= IW_ENCODE_ENABLED;
                return 0;
        }

        /* Reads from HFA384X_RID_CNFDEFAULTKEY* return bogus values, so show
         * the keys from driver buffer */
        len = crypt->ops->get_key(key, WEP_KEY_LEN, NULL, crypt->priv);
        erq->length = (len >= 0 ? len : 0);

        if (local->func->get_rid(dev, HFA384X_RID_CNFWEPFLAGS, &val, 2, 1) < 0)
        {
                printk("CNFWEPFLAGS reading failed\n");
                return -EOPNOTSUPP;
        }
        le16_to_cpus(&val);
        if (val & HFA384X_WEPFLAGS_PRIVACYINVOKED)
                erq->flags |= IW_ENCODE_ENABLED;
        else
                erq->flags |= IW_ENCODE_DISABLED;
        if (val & HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED)
                erq->flags |= IW_ENCODE_RESTRICTED;
        else
                erq->flags |= IW_ENCODE_OPEN;

        return 0;
}


static int hostap_set_rate(struct net_device *dev)
{
        struct hostap_interface *iface;
        local_info_t *local;
        int ret, basic_rates;

        iface = netdev_priv(dev);
        local = iface->local;

        basic_rates = local->basic_rates & local->tx_rate_control;
        if (!basic_rates || basic_rates != local->basic_rates) {
                printk(KERN_INFO "%s: updating basic rate set automatically "
                       "to match with the new supported rate set\n",
                       dev->name);
                if (!basic_rates)
                        basic_rates = local->tx_rate_control;

                local->basic_rates = basic_rates;
                if (hostap_set_word(dev, HFA384X_RID_CNFBASICRATES,
                                    basic_rates))
                        printk(KERN_WARNING "%s: failed to set "
                               "cnfBasicRates\n", dev->name);
        }

        ret = (hostap_set_word(dev, HFA384X_RID_TXRATECONTROL,
                               local->tx_rate_control) ||
               hostap_set_word(dev, HFA384X_RID_CNFSUPPORTEDRATES,
                               local->tx_rate_control) ||
               local->func->reset_port(dev));

        if (ret) {
                printk(KERN_WARNING "%s: TXRateControl/cnfSupportedRates "
                       "setting to 0x%x failed\n",
                       dev->name, local->tx_rate_control);
        }

        /* Update TX rate configuration for all STAs based on new operational
         * rate set. */
        hostap_update_rates(local);

        return ret;
}


static int prism2_ioctl_siwrate(struct net_device *dev,
                                struct iw_request_info *info,
                                struct iw_param *rrq, char *extra)
{
        struct hostap_interface *iface;
        local_info_t *local;

        iface = netdev_priv(dev);
        local = iface->local;

        if (rrq->fixed) {
                switch (rrq->value) {
                case 11000000:
                        local->tx_rate_control = HFA384X_RATES_11MBPS;
                        break;
                case 5500000:
                        local->tx_rate_control = HFA384X_RATES_5MBPS;
                        break;
                case 2000000:
                        local->tx_rate_control = HFA384X_RATES_2MBPS;
                        break;
                case 1000000:
                        local->tx_rate_control = HFA384X_RATES_1MBPS;
                        break;
                default:
                        local->tx_rate_control = HFA384X_RATES_1MBPS |
                                HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
                                HFA384X_RATES_11MBPS;
                        break;
                }
        } else {
                switch (rrq->value) {
                case 11000000:
                        local->tx_rate_control = HFA384X_RATES_1MBPS |
                                HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
                                HFA384X_RATES_11MBPS;
                        break;
                case 5500000:
                        local->tx_rate_control = HFA384X_RATES_1MBPS |
                                HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS;
                        break;
                case 2000000:
                        local->tx_rate_control = HFA384X_RATES_1MBPS |
                                HFA384X_RATES_2MBPS;
                        break;
                case 1000000:
                        local->tx_rate_control = HFA384X_RATES_1MBPS;
                        break;
                default:
                        local->tx_rate_control = HFA384X_RATES_1MBPS |
                                HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
                                HFA384X_RATES_11MBPS;
                        break;
                }
        }

        return hostap_set_rate(dev);
}


static int prism2_ioctl_giwrate(struct net_device *dev,
                                struct iw_request_info *info,
                                struct iw_param *rrq, char *extra)
{
        u16 val;
        struct hostap_interface *iface;
        local_info_t *local;
        int ret = 0;

        iface = netdev_priv(dev);
        local = iface->local;

        if (local->func->get_rid(dev, HFA384X_RID_TXRATECONTROL, &val, 2, 1) <
            0)
                return -EINVAL;

        if ((val & 0x1) && (val > 1))
                rrq->fixed = 0;
        else
                rrq->fixed = 1;

        if (local->iw_mode == IW_MODE_MASTER && local->ap != NULL &&
            !local->fw_tx_rate_control) {
                /* HFA384X_RID_CURRENTTXRATE seems to always be 2 Mbps in
                 * Host AP mode, so use the recorded TX rate of the last sent
                 * frame */
                rrq->value = local->ap->last_tx_rate > 0 ?
                        local->ap->last_tx_rate * 100000 : 11000000;
                return 0;
        }

        if (local->func->get_rid(dev, HFA384X_RID_CURRENTTXRATE, &val, 2, 1) <
            0)
                return -EINVAL;

        switch (val) {
        case HFA384X_RATES_1MBPS:
                rrq->value = 1000000;
                break;
        case HFA384X_RATES_2MBPS:
                rrq->value = 2000000;
                break;
        case HFA384X_RATES_5MBPS:
                rrq->value = 5500000;
                break;
        case HFA384X_RATES_11MBPS:
                rrq->value = 11000000;
                break;
        default:
                /* should not happen */
                rrq->value = 11000000;
                ret = -EINVAL;
                break;
        }

        return ret;
}


static int prism2_ioctl_siwsens(struct net_device *dev,
                                struct iw_request_info *info,
                                struct iw_param *sens, char *extra)
{
        struct hostap_interface *iface;
        local_info_t *local;

        iface = netdev_priv(dev);
        local = iface->local;

        /* Set the desired AP density */
        if (sens->value < 1 || sens->value > 3)
                return -EINVAL;

        if (hostap_set_word(dev, HFA384X_RID_CNFSYSTEMSCALE, sens->value) ||
            local->func->reset_port(dev))
                return -EINVAL;

        return 0;
}

static int prism2_ioctl_giwsens(struct net_device *dev,
                                struct iw_request_info *info,
                                struct iw_param *sens, char *extra)
{
        struct hostap_interface *iface;
        local_info_t *local;
        __le16 val;

        iface = netdev_priv(dev);
        local = iface->local;

        /* Get the current AP density */
        if (local->func->get_rid(dev, HFA384X_RID_CNFSYSTEMSCALE, &val, 2, 1) <
            0)
                return -EINVAL;

        sens->value = le16_to_cpu(val);
        sens->fixed = 1;

        return 0;
}


/* Deprecated in new wireless extension API */
static int prism2_ioctl_giwaplist(struct net_device *dev,
                                  struct iw_request_info *info,
                                  struct iw_point *data, char *extra)
{
        struct hostap_interface *iface;
        local_info_t *local;
        struct sockaddr *addr;
        struct iw_quality *qual;

        iface = netdev_priv(dev);
        local = iface->local;

        if (local->iw_mode != IW_MODE_MASTER) {
                printk(KERN_DEBUG "SIOCGIWAPLIST is currently only supported "
                       "in Host AP mode\n");
                data->length = 0;
                return -EOPNOTSUPP;
        }

        addr = kmalloc_array(IW_MAX_AP, sizeof(struct sockaddr), GFP_KERNEL);
        qual = kmalloc_array(IW_MAX_AP, sizeof(struct iw_quality), GFP_KERNEL);
        if (addr == NULL || qual == NULL) {
                kfree(addr);
                kfree(qual);
                data->length = 0;
                return -ENOMEM;
        }

        data->length = prism2_ap_get_sta_qual(local, addr, qual, IW_MAX_AP, 1);

        memcpy(extra, addr, sizeof(struct sockaddr) * data->length);
        data->flags = 1; /* has quality information */
        memcpy(extra + sizeof(struct sockaddr) * data->length, qual,
               sizeof(struct iw_quality) * data->length);

        kfree(addr);
        kfree(qual);
        return 0;
}


static int prism2_ioctl_siwrts(struct net_device *dev,
                               struct iw_request_info *info,
                               struct iw_param *rts, char *extra)
{
        struct hostap_interface *iface;
        local_info_t *local;
        __le16 val;

        iface = netdev_priv(dev);
        local = iface->local;

        if (rts->disabled)
                val = cpu_to_le16(2347);
        else if (rts->value < 0 || rts->value > 2347)
                return -EINVAL;
        else
                val = cpu_to_le16(rts->value);

        if (local->func->set_rid(dev, HFA384X_RID_RTSTHRESHOLD, &val, 2) ||
            local->func->reset_port(dev))
                return -EINVAL;

        local->rts_threshold = rts->value;

        return 0;
}

static int prism2_ioctl_giwrts(struct net_device *dev,
                               struct iw_request_info *info,
                               struct iw_param *rts, char *extra)
{
        struct hostap_interface *iface;
        local_info_t *local;
        __le16 val;

        iface = netdev_priv(dev);
        local = iface->local;

        if (local->func->get_rid(dev, HFA384X_RID_RTSTHRESHOLD, &val, 2, 1) <
            0)
                return -EINVAL;

        rts->value = le16_to_cpu(val);
        rts->disabled = (rts->value == 2347);
        rts->fixed = 1;

        return 0;
}


static int prism2_ioctl_siwfrag(struct net_device *dev,
                                struct iw_request_info *info,
                                struct iw_param *rts, char *extra)
{
        struct hostap_interface *iface;
        local_info_t *local;
        __le16 val;

        iface = netdev_priv(dev);
        local = iface->local;

        if (rts->disabled)
                val = cpu_to_le16(2346);
        else if (rts->value < 256 || rts->value > 2346)
                return -EINVAL;
        else
                val = cpu_to_le16(rts->value & ~0x1); /* even numbers only */

        local->fragm_threshold = rts->value & ~0x1;
        if (local->func->set_rid(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD, &val,
                                 2)
            || local->func->reset_port(dev))
                return -EINVAL;

        return 0;
}

static int prism2_ioctl_giwfrag(struct net_device *dev,
                                struct iw_request_info *info,
                                struct iw_param *rts, char *extra)
{
        struct hostap_interface *iface;
        local_info_t *local;
        __le16 val;

        iface = netdev_priv(dev);
        local = iface->local;

        if (local->func->get_rid(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD,
                                 &val, 2, 1) < 0)
                return -EINVAL;

        rts->value = le16_to_cpu(val);
        rts->disabled = (rts->value == 2346);
        rts->fixed = 1;

        return 0;
}


#ifndef PRISM2_NO_STATION_MODES
static int hostap_join_ap(struct net_device *dev)
{
        struct hostap_interface *iface;
        local_info_t *local;
        struct hfa384x_join_request req;
        unsigned long flags;
        int i;
        struct hfa384x_hostscan_result *entry;

        iface = netdev_priv(dev);
        local = iface->local;

        memcpy(req.bssid, local->preferred_ap, ETH_ALEN);
        req.channel = 0;

        spin_lock_irqsave(&local->lock, flags);
        for (i = 0; i < local->last_scan_results_count; i++) {
                if (!local->last_scan_results)
                        break;
                entry = &local->last_scan_results[i];
                if (ether_addr_equal(local->preferred_ap, entry->bssid)) {
                        req.channel = entry->chid;
                        break;
                }
        }
        spin_unlock_irqrestore(&local->lock, flags);

        if (local->func->set_rid(dev, HFA384X_RID_JOINREQUEST, &req,
                                 sizeof(req))) {
                printk(KERN_DEBUG "%s: JoinRequest %pM failed\n",
                       dev->name, local->preferred_ap);
                return -1;
        }

        printk(KERN_DEBUG "%s: Trying to join BSSID %pM\n",
               dev->name, local->preferred_ap);

        return 0;
}
#endif /* PRISM2_NO_STATION_MODES */


static int prism2_ioctl_siwap(struct net_device *dev,
                              struct iw_request_info *info,
                              struct sockaddr *ap_addr, char *extra)
{
#ifdef PRISM2_NO_STATION_MODES
        return -EOPNOTSUPP;
#else /* PRISM2_NO_STATION_MODES */
        struct hostap_interface *iface;
        local_info_t *local;

        iface = netdev_priv(dev);
        local = iface->local;

        memcpy(local->preferred_ap, &ap_addr->sa_data, ETH_ALEN);

        if (local->host_roaming == 1 && local->iw_mode == IW_MODE_INFRA) {
                struct hfa384x_scan_request scan_req;
                memset(&scan_req, 0, sizeof(scan_req));
                scan_req.channel_list = cpu_to_le16(0x3fff);
                scan_req.txrate = cpu_to_le16(HFA384X_RATES_1MBPS);
                if (local->func->set_rid(dev, HFA384X_RID_SCANREQUEST,
                                         &scan_req, sizeof(scan_req))) {
                        printk(KERN_DEBUG "%s: ScanResults request failed - "
                               "preferred AP delayed to next unsolicited "
                               "scan\n", dev->name);
                }
        } else if (local->host_roaming == 2 &&
                   local->iw_mode == IW_MODE_INFRA) {
                if (hostap_join_ap(dev))
                        return -EINVAL;
        } else {
                printk(KERN_DEBUG "%s: Preferred AP (SIOCSIWAP) is used only "
                       "in Managed mode when host_roaming is enabled\n",
                       dev->name);
        }

        return 0;
#endif /* PRISM2_NO_STATION_MODES */
}

static int prism2_ioctl_giwap(struct net_device *dev,
                              struct iw_request_info *info,
                              struct sockaddr *ap_addr, char *extra)
{
        struct hostap_interface *iface;
        local_info_t *local;

        iface = netdev_priv(dev);
        local = iface->local;

        ap_addr->sa_family = ARPHRD_ETHER;
        switch (iface->type) {
        case HOSTAP_INTERFACE_AP:
                memcpy(&ap_addr->sa_data, dev->dev_addr, ETH_ALEN);
                break;
        case HOSTAP_INTERFACE_STA:
                memcpy(&ap_addr->sa_data, local->assoc_ap_addr, ETH_ALEN);
                break;
        case HOSTAP_INTERFACE_WDS:
                memcpy(&ap_addr->sa_data, iface->u.wds.remote_addr, ETH_ALEN);
                break;
        default:
                if (local->func->get_rid(dev, HFA384X_RID_CURRENTBSSID,
                                         &ap_addr->sa_data, ETH_ALEN, 1) < 0)
                        return -EOPNOTSUPP;

                /* local->bssid is also updated in LinkStatus handler when in
                 * station mode */
                memcpy(local->bssid, &ap_addr->sa_data, ETH_ALEN);
                break;
        }

        return 0;
}


static int prism2_ioctl_siwnickn(struct net_device *dev,
                                 struct iw_request_info *info,
                                 struct iw_point *data, char *nickname)
{
        struct hostap_interface *iface;
        local_info_t *local;

        iface = netdev_priv(dev);
        local = iface->local;

        memset(local->name, 0, sizeof(local->name));
        memcpy(local->name, nickname, data->length);
        local->name_set = 1;

        if (hostap_set_string(dev, HFA384X_RID_CNFOWNNAME, local->name) ||
            local->func->reset_port(dev))
                return -EINVAL;

        return 0;
}

static int prism2_ioctl_giwnickn(struct net_device *dev,
                                 struct iw_request_info *info,
                                 struct iw_point *data, char *nickname)
{
        struct hostap_interface *iface;
        local_info_t *local;
        int len;
        char name[MAX_NAME_LEN + 3];
        u16 val;

        iface = netdev_priv(dev);
        local = iface->local;

        len = local->func->get_rid(dev, HFA384X_RID_CNFOWNNAME,
                                   &name, MAX_NAME_LEN + 2, 0);
        val = le16_to_cpu(*(__le16 *) name);
        if (len > MAX_NAME_LEN + 2 || len < 0 || val > MAX_NAME_LEN)
                return -EOPNOTSUPP;

        name[val + 2] = '\0';
        data->length = val + 1;
        memcpy(nickname, name + 2, val + 1);

        return 0;
}


static int prism2_ioctl_siwfreq(struct net_device *dev,
                                struct iw_request_info *info,
                                struct iw_freq *freq, char *extra)
{
        struct hostap_interface *iface;
        local_info_t *local;

        iface = netdev_priv(dev);
        local = iface->local;

        /* freq => chan. */
        if (freq->e == 1 &&
            freq->m / 100000 >= freq_list[0] &&
            freq->m / 100000 <= freq_list[FREQ_COUNT - 1]) {
                int ch;
                int fr = freq->m / 100000;
                for (ch = 0; ch < FREQ_COUNT; ch++) {
                        if (fr == freq_list[ch]) {
                                freq->e = 0;
                                freq->m = ch + 1;
                                break;
                        }
                }
        }

        if (freq->e != 0 || freq->m < 1 || freq->m > FREQ_COUNT ||
            !(local->channel_mask & (1 << (freq->m - 1))))
                return -EINVAL;

        local->channel = freq->m; /* channel is used in prism2_setup_rids() */
        if (hostap_set_word(dev, HFA384X_RID_CNFOWNCHANNEL, local->channel) ||
            local->func->reset_port(dev))
                return -EINVAL;

        return 0;
}

static int prism2_ioctl_giwfreq(struct net_device *dev,
                                struct iw_request_info *info,
                                struct iw_freq *freq, char *extra)
{
        struct hostap_interface *iface;
        local_info_t *local;
        u16 val;

        iface = netdev_priv(dev);
        local = iface->local;

        if (local->func->get_rid(dev, HFA384X_RID_CURRENTCHANNEL, &val, 2, 1) <
            0)
                return -EINVAL;

        le16_to_cpus(&val);
        if (val < 1 || val > FREQ_COUNT)
                return -EINVAL;

        freq->m = freq_list[val - 1] * 100000;
        freq->e = 1;

        return 0;
}


static void hostap_monitor_set_type(local_info_t *local)
{
        struct net_device *dev = local->ddev;

        if (dev == NULL)
                return;

        if (local->monitor_type == PRISM2_MONITOR_PRISM ||
            local->monitor_type == PRISM2_MONITOR_CAPHDR) {
                dev->type = ARPHRD_IEEE80211_PRISM;
        } else if (local->monitor_type == PRISM2_MONITOR_RADIOTAP) {
                dev->type = ARPHRD_IEEE80211_RADIOTAP;
        } else {
                dev->type = ARPHRD_IEEE80211;
        }
}


static int prism2_ioctl_siwessid(struct net_device *dev,
                                 struct iw_request_info *info,
                                 struct iw_point *data, char *ssid)
{
        struct hostap_interface *iface;
        local_info_t *local;

        iface = netdev_priv(dev);
        local = iface->local;

        if (iface->type == HOSTAP_INTERFACE_WDS)
                return -EOPNOTSUPP;

        if (data->flags == 0)
                ssid[0] = '\0'; /* ANY */

        if (local->iw_mode == IW_MODE_MASTER && ssid[0] == '\0') {
                /* Setting SSID to empty string seems to kill the card in
                 * Host AP mode */
                printk(KERN_DEBUG "%s: Host AP mode does not support "
                       "'Any' essid\n", dev->name);
                return -EINVAL;
        }

        memcpy(local->essid, ssid, data->length);
        local->essid[data->length] = '\0';

        if ((!local->fw_ap &&
             hostap_set_string(dev, HFA384X_RID_CNFDESIREDSSID, local->essid))
            || hostap_set_string(dev, HFA384X_RID_CNFOWNSSID, local->essid) ||
            local->func->reset_port(dev))
                return -EINVAL;

        return 0;
}

static int prism2_ioctl_giwessid(struct net_device *dev,
                                 struct iw_request_info *info,
                                 struct iw_point *data, char *essid)
{
        struct hostap_interface *iface;
        local_info_t *local;
        u16 val;

        iface = netdev_priv(dev);
        local = iface->local;

        if (iface->type == HOSTAP_INTERFACE_WDS)
                return -EOPNOTSUPP;

        data->flags = 1; /* active */
        if (local->iw_mode == IW_MODE_MASTER) {
                data->length = strlen(local->essid);
                memcpy(essid, local->essid, IW_ESSID_MAX_SIZE);
        } else {
                int len;
                char ssid[MAX_SSID_LEN + 2];
                memset(ssid, 0, sizeof(ssid));
                len = local->func->get_rid(dev, HFA384X_RID_CURRENTSSID,
                                           &ssid, MAX_SSID_LEN + 2, 0);
                val = le16_to_cpu(*(__le16 *) ssid);
                if (len > MAX_SSID_LEN + 2 || len < 0 || val > MAX_SSID_LEN) {
                        return -EOPNOTSUPP;
                }
                data->length = val;
                memcpy(essid, ssid + 2, IW_ESSID_MAX_SIZE);
        }

        return 0;
}


static int prism2_ioctl_giwrange(struct net_device *dev,
                                 struct iw_request_info *info,
                                 struct iw_point *data, char *extra)
{
        struct hostap_interface *iface;
        local_info_t *local;
        struct iw_range *range = (struct iw_range *) extra;
        u8 rates[10];
        u16 val;
        int i, len, over2;

        iface = netdev_priv(dev);
        local = iface->local;

        data->length = sizeof(struct iw_range);
        memset(range, 0, sizeof(struct iw_range));

        /* TODO: could fill num_txpower and txpower array with
         * something; however, there are 128 different values.. */

        range->txpower_capa = IW_TXPOW_DBM;

        if (local->iw_mode == IW_MODE_INFRA || local->iw_mode == IW_MODE_ADHOC)
        {
                range->min_pmp = 1 * 1024;
                range->max_pmp = 65535 * 1024;
                range->min_pmt = 1 * 1024;
                range->max_pmt = 1000 * 1024;
                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 | IW_POWER_ALL_R;
        }

        range->we_version_compiled = WIRELESS_EXT;
        range->we_version_source = 18;

        range->retry_capa = IW_RETRY_LIMIT;
        range->retry_flags = IW_RETRY_LIMIT;
        range->min_retry = 0;
        range->max_retry = 255;

        range->num_channels = FREQ_COUNT;

        val = 0;
        for (i = 0; i < FREQ_COUNT; i++) {
                if (local->channel_mask & (1 << i)) {
                        range->freq[val].i = i + 1;
                        range->freq[val].m = freq_list[i] * 100000;
                        range->freq[val].e = 1;
                        val++;
                }
                if (val == IW_MAX_FREQUENCIES)
                        break;
        }
        range->num_frequency = val;

        if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1)) {
                range->max_qual.qual = 70; /* what is correct max? This was not
                                            * documented exactly. At least
                                            * 69 has been observed. */
                range->max_qual.level = 0; /* dB */
                range->max_qual.noise = 0; /* dB */

                /* What would be suitable values for "average/typical" qual? */
                range->avg_qual.qual = 20;
                range->avg_qual.level = -60;
                range->avg_qual.noise = -95;
        } else {
                range->max_qual.qual = 92; /* 0 .. 92 */
                range->max_qual.level = 154; /* 27 .. 154 */
                range->max_qual.noise = 154; /* 27 .. 154 */
        }
        range->sensitivity = 3;

        range->max_encoding_tokens = WEP_KEYS;
        range->num_encoding_sizes = 2;
        range->encoding_size[0] = 5;
        range->encoding_size[1] = 13;

        over2 = 0;
        len = prism2_get_datarates(dev, rates);
        range->num_bitrates = 0;
        for (i = 0; i < len; i++) {
                if (range->num_bitrates < IW_MAX_BITRATES) {
                        range->bitrate[range->num_bitrates] =
                                rates[i] * 500000;
                        range->num_bitrates++;
                }
                if (rates[i] == 0x0b || rates[i] == 0x16)
                        over2 = 1;
        }
        /* estimated maximum TCP throughput values (bps) */
        range->throughput = over2 ? 5500000 : 1500000;

        range->min_rts = 0;
        range->max_rts = 2347;
        range->min_frag = 256;
        range->max_frag = 2346;

        /* Event capability (kernel + driver) */
        range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
                                IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
                                IW_EVENT_CAPA_MASK(SIOCGIWAP) |
                                IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
        range->event_capa[1] = IW_EVENT_CAPA_K_1;
        range->event_capa[4] = (IW_EVENT_CAPA_MASK(IWEVTXDROP) |
                                IW_EVENT_CAPA_MASK(IWEVCUSTOM) |
                                IW_EVENT_CAPA_MASK(IWEVREGISTERED) |
                                IW_EVENT_CAPA_MASK(IWEVEXPIRED));

        range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
                IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;

        if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1))
                range->scan_capa = IW_SCAN_CAPA_ESSID;

        return 0;
}


static int hostap_monitor_mode_enable(local_info_t *local)
{
        struct net_device *dev = local->dev;

        printk(KERN_DEBUG "Enabling monitor mode\n");
        hostap_monitor_set_type(local);

        if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
                            HFA384X_PORTTYPE_PSEUDO_IBSS)) {
                printk(KERN_DEBUG "Port type setting for monitor mode "
                       "failed\n");
                return -EOPNOTSUPP;
        }

        /* Host decrypt is needed to get the IV and ICV fields;
         * however, monitor mode seems to remove WEP flag from frame
         * control field */
        if (hostap_set_word(dev, HFA384X_RID_CNFWEPFLAGS,
                            HFA384X_WEPFLAGS_HOSTENCRYPT |
                            HFA384X_WEPFLAGS_HOSTDECRYPT)) {
                printk(KERN_DEBUG "WEP flags setting failed\n");
                return -EOPNOTSUPP;
        }

        if (local->func->reset_port(dev) ||
            local->func->cmd(dev, HFA384X_CMDCODE_TEST |
                             (HFA384X_TEST_MONITOR << 8),
                             0, NULL, NULL)) {
                printk(KERN_DEBUG "Setting monitor mode failed\n");
                return -EOPNOTSUPP;
        }

        return 0;
}


static int hostap_monitor_mode_disable(local_info_t *local)
{
        struct net_device *dev = local->ddev;

        if (dev == NULL)
                return -1;

        printk(KERN_DEBUG "%s: Disabling monitor mode\n", dev->name);
        dev->type = ARPHRD_ETHER;

        if (local->func->cmd(dev, HFA384X_CMDCODE_TEST |
                             (HFA384X_TEST_STOP << 8),
                             0, NULL, NULL))
                return -1;
        return hostap_set_encryption(local);
}


static int prism2_ioctl_siwmode(struct net_device *dev,
                                struct iw_request_info *info,
                                __u32 *mode, char *extra)
{
        struct hostap_interface *iface;
        local_info_t *local;
        int double_reset = 0;

        iface = netdev_priv(dev);
        local = iface->local;

        if (*mode != IW_MODE_ADHOC && *mode != IW_MODE_INFRA &&
            *mode != IW_MODE_MASTER && *mode != IW_MODE_REPEAT &&
            *mode != IW_MODE_MONITOR)
                return -EOPNOTSUPP;

#ifdef PRISM2_NO_STATION_MODES
        if (*mode == IW_MODE_ADHOC || *mode == IW_MODE_INFRA)
                return -EOPNOTSUPP;
#endif /* PRISM2_NO_STATION_MODES */

        if (*mode == local->iw_mode)
                return 0;

        if (*mode == IW_MODE_MASTER && local->essid[0] == '\0') {
                printk(KERN_WARNING "%s: empty SSID not allowed in Master "
                       "mode\n", dev->name);
                return -EINVAL;
        }

        if (local->iw_mode == IW_MODE_MONITOR)
                hostap_monitor_mode_disable(local);

        if ((local->iw_mode == IW_MODE_ADHOC ||
             local->iw_mode == IW_MODE_MONITOR) && *mode == IW_MODE_MASTER) {
                /* There seems to be a firmware bug in at least STA f/w v1.5.6
                 * that leaves beacon frames to use IBSS type when moving from
                 * IBSS to Host AP mode. Doing double Port0 reset seems to be
                 * enough to workaround this. */
                double_reset = 1;
        }

        printk(KERN_DEBUG "prism2: %s: operating mode changed "
               "%d -> %d\n", dev->name, local->iw_mode, *mode);
        local->iw_mode = *mode;

        if (local->iw_mode == IW_MODE_MONITOR)
                hostap_monitor_mode_enable(local);
        else if (local->iw_mode == IW_MODE_MASTER && !local->host_encrypt &&
                 !local->fw_encrypt_ok) {
                printk(KERN_DEBUG "%s: defaulting to host-based encryption as "
                       "a workaround for firmware bug in Host AP mode WEP\n",
                       dev->name);
                local->host_encrypt = 1;
        }

        if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
                            hostap_get_porttype(local)))
                return -EOPNOTSUPP;

        if (local->func->reset_port(dev))
                return -EINVAL;
        if (double_reset && local->func->reset_port(dev))
                return -EINVAL;

        if (local->iw_mode != IW_MODE_INFRA && local->iw_mode != IW_MODE_ADHOC)
        {
                /* netif_carrier is used only in client modes for now, so make
                 * sure carrier is on when moving to non-client modes. */
                netif_carrier_on(local->dev);
                netif_carrier_on(local->ddev);
        }
        return 0;
}


static int prism2_ioctl_giwmode(struct net_device *dev,
                                struct iw_request_info *info,
                                __u32 *mode, char *extra)
{
        struct hostap_interface *iface;
        local_info_t *local;

        iface = netdev_priv(dev);
        local = iface->local;

        switch (iface->type) {
        case HOSTAP_INTERFACE_STA:
                *mode = IW_MODE_INFRA;
                break;
        case HOSTAP_INTERFACE_WDS:
                *mode = IW_MODE_REPEAT;
                break;
        default:
                *mode = local->iw_mode;
                break;
        }
        return 0;
}


static int prism2_ioctl_siwpower(struct net_device *dev,
                                 struct iw_request_info *info,
                                 struct iw_param *wrq, char *extra)
{
#ifdef PRISM2_NO_STATION_MODES
        return -EOPNOTSUPP;
#else /* PRISM2_NO_STATION_MODES */
        int ret = 0;

        if (wrq->disabled)
                return hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 0);

        switch (wrq->flags & IW_POWER_MODE) {
        case IW_POWER_UNICAST_R:
                ret = hostap_set_word(dev, HFA384X_RID_CNFMULTICASTRECEIVE, 0);
                if (ret)
                        return ret;
                ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
                if (ret)
                        return ret;
                break;
        case IW_POWER_ALL_R:
                ret = hostap_set_word(dev, HFA384X_RID_CNFMULTICASTRECEIVE, 1);
                if (ret)
                        return ret;
                ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
                if (ret)
                        return ret;
                break;
        case IW_POWER_ON:
                break;
        default:
                return -EINVAL;
        }

        if (wrq->flags & IW_POWER_TIMEOUT) {
                ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
                if (ret)
                        return ret;
                ret = hostap_set_word(dev, HFA384X_RID_CNFPMHOLDOVERDURATION,
                                      wrq->value / 1024);
                if (ret)
                        return ret;
        }
        if (wrq->flags & IW_POWER_PERIOD) {
                ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
                if (ret)
                        return ret;
                ret = hostap_set_word(dev, HFA384X_RID_CNFMAXSLEEPDURATION,
                                      wrq->value / 1024);
                if (ret)
                        return ret;
        }

        return ret;
#endif /* PRISM2_NO_STATION_MODES */
}


static int prism2_ioctl_giwpower(struct net_device *dev,
                                 struct iw_request_info *info,
                                 struct iw_param *rrq, char *extra)
{
#ifdef PRISM2_NO_STATION_MODES
        return -EOPNOTSUPP;
#else /* PRISM2_NO_STATION_MODES */
        struct hostap_interface *iface;
        local_info_t *local;
        __le16 enable, mcast;

        iface = netdev_priv(dev);
        local = iface->local;

        if (local->func->get_rid(dev, HFA384X_RID_CNFPMENABLED, &enable, 2, 1)
            < 0)
                return -EINVAL;

        if (!le16_to_cpu(enable)) {
                rrq->disabled = 1;
                return 0;
        }

        rrq->disabled = 0;

        if ((rrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
                __le16 timeout;
                if (local->func->get_rid(dev,
                                         HFA384X_RID_CNFPMHOLDOVERDURATION,
                                         &timeout, 2, 1) < 0)
                        return -EINVAL;

                rrq->flags = IW_POWER_TIMEOUT;
                rrq->value = le16_to_cpu(timeout) * 1024;
        } else {
                __le16 period;
                if (local->func->get_rid(dev, HFA384X_RID_CNFMAXSLEEPDURATION,
                                         &period, 2, 1) < 0)
                        return -EINVAL;

                rrq->flags = IW_POWER_PERIOD;
                rrq->value = le16_to_cpu(period) * 1024;
        }

        if (local->func->get_rid(dev, HFA384X_RID_CNFMULTICASTRECEIVE, &mcast,
                                 2, 1) < 0)
                return -EINVAL;

        if (le16_to_cpu(mcast))
                rrq->flags |= IW_POWER_ALL_R;
        else
                rrq->flags |= IW_POWER_UNICAST_R;

        return 0;
#endif /* PRISM2_NO_STATION_MODES */
}


static int prism2_ioctl_siwretry(struct net_device *dev,
                                 struct iw_request_info *info,
                                 struct iw_param *rrq, char *extra)
{
        struct hostap_interface *iface;
        local_info_t *local;

        iface = netdev_priv(dev);
        local = iface->local;

        if (rrq->disabled)
                return -EINVAL;

        /* setting retry limits is not supported with the current station
         * firmware code; simulate this with alternative retry count for now */
        if (rrq->flags == IW_RETRY_LIMIT) {
                if (rrq->value < 0) {
                        /* disable manual retry count setting and use firmware
                         * defaults */
                        local->manual_retry_count = -1;
                        local->tx_control &= ~HFA384X_TX_CTRL_ALT_RTRY;
                } else {
                        if (hostap_set_word(dev, HFA384X_RID_CNFALTRETRYCOUNT,
                                            rrq->value)) {
                                printk(KERN_DEBUG "%s: Alternate retry count "
                                       "setting to %d failed\n",
                                       dev->name, rrq->value);
                                return -EOPNOTSUPP;
                        }

                        local->manual_retry_count = rrq->value;
                        local->tx_control |= HFA384X_TX_CTRL_ALT_RTRY;
                }
                return 0;
        }

        return -EOPNOTSUPP;

#if 0
        /* what could be done, if firmware would support this.. */

        if (rrq->flags & IW_RETRY_LIMIT) {
                if (rrq->flags & IW_RETRY_LONG)
                        HFA384X_RID_LONGRETRYLIMIT = rrq->value;
                else if (rrq->flags & IW_RETRY_SHORT)
                        HFA384X_RID_SHORTRETRYLIMIT = rrq->value;
                else {
                        HFA384X_RID_LONGRETRYLIMIT = rrq->value;
                        HFA384X_RID_SHORTRETRYLIMIT = rrq->value;
                }

        }

        if (rrq->flags & IW_RETRY_LIFETIME) {
                HFA384X_RID_MAXTRANSMITLIFETIME = rrq->value / 1024;
        }

        return 0;
#endif /* 0 */
}

static int prism2_ioctl_giwretry(struct net_device *dev,
                                 struct iw_request_info *info,
                                 struct iw_param *rrq, char *extra)
{
        struct hostap_interface *iface;
        local_info_t *local;
        __le16 shortretry, longretry, lifetime, altretry;

        iface = netdev_priv(dev);
        local = iface->local;

        if (local->func->get_rid(dev, HFA384X_RID_SHORTRETRYLIMIT, &shortretry,
                                 2, 1) < 0 ||
            local->func->get_rid(dev, HFA384X_RID_LONGRETRYLIMIT, &longretry,
                                 2, 1) < 0 ||
            local->func->get_rid(dev, HFA384X_RID_MAXTRANSMITLIFETIME,
                                 &lifetime, 2, 1) < 0)
                return -EINVAL;

        rrq->disabled = 0;

        if ((rrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
                rrq->flags = IW_RETRY_LIFETIME;
                rrq->value = le16_to_cpu(lifetime) * 1024;
        } else {
                if (local->manual_retry_count >= 0) {
                        rrq->flags = IW_RETRY_LIMIT;
                        if (local->func->get_rid(dev,
                                                 HFA384X_RID_CNFALTRETRYCOUNT,
                                                 &altretry, 2, 1) >= 0)
                                rrq->value = le16_to_cpu(altretry);
                        else
                                rrq->value = local->manual_retry_count;
                } else if ((rrq->flags & IW_RETRY_LONG)) {
                        rrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
                        rrq->value = le16_to_cpu(longretry);
                } else {
                        rrq->flags = IW_RETRY_LIMIT;
                        rrq->value = le16_to_cpu(shortretry);
                        if (shortretry != longretry)
                                rrq->flags |= IW_RETRY_SHORT;
                }
        }
        return 0;
}


/* Note! This TX power controlling is experimental and should not be used in
 * production use. It just sets raw power register and does not use any kind of
 * feedback information from the measured TX power (CR58). This is now
 * commented out to make sure that it is not used by accident. TX power
 * configuration will be enabled again after proper algorithm using feedback
 * has been implemented. */

#ifdef RAW_TXPOWER_SETTING
/* Map HFA386x's CR31 to and from dBm with some sort of ad hoc mapping..
 * This version assumes following mapping:
 * CR31 is 7-bit value with -64 to +63 range.
 * -64 is mapped into +20dBm and +63 into -43dBm.
 * This is certainly not an exact mapping for every card, but at least
 * increasing dBm value should correspond to increasing TX power.
 */

static int prism2_txpower_hfa386x_to_dBm(u16 val)
{
        signed char tmp;

        if (val > 255)
                val = 255;

        tmp = val;
        tmp >>= 2;

        return -12 - tmp;
}

static u16 prism2_txpower_dBm_to_hfa386x(int val)
{
        signed char tmp;

        if (val > 20)
                return 128;
        else if (val < -43)
                return 127;

        tmp = val;
        tmp = -12 - tmp;
        tmp <<= 2;

        return (unsigned char) tmp;
}
#endif /* RAW_TXPOWER_SETTING */


static int prism2_ioctl_siwtxpow(struct net_device *dev,
                                 struct iw_request_info *info,
                                 struct iw_param *rrq, char *extra)
{
        struct hostap_interface *iface;
        local_info_t *local;
#ifdef RAW_TXPOWER_SETTING
        char *tmp;
#endif
        u16 val;
        int ret = 0;

        iface = netdev_priv(dev);
        local = iface->local;

        if (rrq->disabled) {
                if (local->txpower_type != PRISM2_TXPOWER_OFF) {
                        val = 0xff; /* use all standby and sleep modes */
                        ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
                                               HFA386X_CR_A_D_TEST_MODES2,
                                               &val, NULL);
                        printk(KERN_DEBUG "%s: Turning radio off: %s\n",
                               dev->name, ret ? "failed" : "OK");
                        local->txpower_type = PRISM2_TXPOWER_OFF;
                }
                return (ret ? -EOPNOTSUPP : 0);
        }

        if (local->txpower_type == PRISM2_TXPOWER_OFF) {
                val = 0; /* disable all standby and sleep modes */
                ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
                                       HFA386X_CR_A_D_TEST_MODES2, &val, NULL);
                printk(KERN_DEBUG "%s: Turning radio on: %s\n",
                       dev->name, ret ? "failed" : "OK");
                local->txpower_type = PRISM2_TXPOWER_UNKNOWN;
        }

#ifdef RAW_TXPOWER_SETTING
        if (!rrq->fixed && local->txpower_type != PRISM2_TXPOWER_AUTO) {
                printk(KERN_DEBUG "Setting ALC on\n");
                val = HFA384X_TEST_CFG_BIT_ALC;
                local->func->cmd(dev, HFA384X_CMDCODE_TEST |
                                 (HFA384X_TEST_CFG_BITS << 8), 1, &val, NULL);
                local->txpower_type = PRISM2_TXPOWER_AUTO;
                return 0;
        }

        if (local->txpower_type != PRISM2_TXPOWER_FIXED) {
                printk(KERN_DEBUG "Setting ALC off\n");
                val = HFA384X_TEST_CFG_BIT_ALC;
                local->func->cmd(dev, HFA384X_CMDCODE_TEST |
                                 (HFA384X_TEST_CFG_BITS << 8), 0, &val, NULL);
                        local->txpower_type = PRISM2_TXPOWER_FIXED;
        }

        if (rrq->flags == IW_TXPOW_DBM)
                tmp = "dBm";
        else if (rrq->flags == IW_TXPOW_MWATT)
                tmp = "mW";
        else
                tmp = "UNKNOWN";
        printk(KERN_DEBUG "Setting TX power to %d %s\n", rrq->value, tmp);

        if (rrq->flags != IW_TXPOW_DBM) {
                printk("SIOCSIWTXPOW with mW is not supported; use dBm\n");
                return -EOPNOTSUPP;
        }

        local->txpower = rrq->value;
        val = prism2_txpower_dBm_to_hfa386x(local->txpower);
        if (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
                             HFA386X_CR_MANUAL_TX_POWER, &val, NULL))
                ret = -EOPNOTSUPP;
#else /* RAW_TXPOWER_SETTING */
        if (rrq->fixed)
                ret = -EOPNOTSUPP;
#endif /* RAW_TXPOWER_SETTING */

        return ret;
}

static int prism2_ioctl_giwtxpow(struct net_device *dev,
                                 struct iw_request_info *info,
                                 struct iw_param *rrq, char *extra)
{
#ifdef RAW_TXPOWER_SETTING
        struct hostap_interface *iface;
        local_info_t *local;
        u16 resp0;

        iface = netdev_priv(dev);
        local = iface->local;

        rrq->flags = IW_TXPOW_DBM;
        rrq->disabled = 0;
        rrq->fixed = 0;

        if (local->txpower_type == PRISM2_TXPOWER_AUTO) {
                if (local->func->cmd(dev, HFA384X_CMDCODE_READMIF,
                                     HFA386X_CR_MANUAL_TX_POWER,
                                     NULL, &resp0) == 0) {
                        rrq->value = prism2_txpower_hfa386x_to_dBm(resp0);
                } else {
                        /* Could not get real txpower; guess 15 dBm */
                        rrq->value = 15;
                }
        } else if (local->txpower_type == PRISM2_TXPOWER_OFF) {
                rrq->value = 0;
                rrq->disabled = 1;
        } else if (local->txpower_type == PRISM2_TXPOWER_FIXED) {
                rrq->value = local->txpower;
                rrq->fixed = 1;
        } else {
                printk("SIOCGIWTXPOW - unknown txpower_type=%d\n",
                       local->txpower_type);
        }
        return 0;
#else /* RAW_TXPOWER_SETTING */
        return -EOPNOTSUPP;
#endif /* RAW_TXPOWER_SETTING */
}


#ifndef PRISM2_NO_STATION_MODES

/* HostScan request works with and without host_roaming mode. In addition, it
 * does not break current association. However, it requires newer station
 * firmware version (>= 1.3.1) than scan request. */
static int prism2_request_hostscan(struct net_device *dev,
                                   u8 *ssid, u8 ssid_len)
{
        struct hostap_interface *iface;
        local_info_t *local;
        struct hfa384x_hostscan_request scan_req;

        iface = netdev_priv(dev);
        local = iface->local;

        memset(&scan_req, 0, sizeof(scan_req));
        scan_req.channel_list = cpu_to_le16(local->channel_mask &
                                            local->scan_channel_mask);
        scan_req.txrate = cpu_to_le16(HFA384X_RATES_1MBPS);
        if (ssid) {
                if (ssid_len > 32)
                        return -EINVAL;
                scan_req.target_ssid_len = cpu_to_le16(ssid_len);
                memcpy(scan_req.target_ssid, ssid, ssid_len);
        }

        if (local->func->set_rid(dev, HFA384X_RID_HOSTSCAN, &scan_req,
                                 sizeof(scan_req))) {
                printk(KERN_DEBUG "%s: HOSTSCAN failed\n", dev->name);
                return -EINVAL;
        }
        return 0;
}


static int prism2_request_scan(struct net_device *dev)
{
        struct hostap_interface *iface;
        local_info_t *local;
        struct hfa384x_scan_request scan_req;
        int ret = 0;

        iface = netdev_priv(dev);
        local = iface->local;

        memset(&scan_req, 0, sizeof(scan_req));
        scan_req.channel_list = cpu_to_le16(local->channel_mask &
                                            local->scan_channel_mask);
        scan_req.txrate = cpu_to_le16(HFA384X_RATES_1MBPS);

        /* FIX:
         * It seems to be enough to set roaming mode for a short moment to
         * host-based and then setup scanrequest data and return the mode to
         * firmware-based.
         *
         * Master mode would need to drop to Managed mode for a short while
         * to make scanning work.. Or sweep through the different channels and
         * use passive scan based on beacons. */

        if (!local->host_roaming)
                hostap_set_word(dev, HFA384X_RID_CNFROAMINGMODE,
                                HFA384X_ROAMING_HOST);

        if (local->func->set_rid(dev, HFA384X_RID_SCANREQUEST, &scan_req,
                                 sizeof(scan_req))) {
                printk(KERN_DEBUG "SCANREQUEST failed\n");
                ret = -EINVAL;
        }

        if (!local->host_roaming)
                hostap_set_word(dev, HFA384X_RID_CNFROAMINGMODE,
                                HFA384X_ROAMING_FIRMWARE);

        return ret;
}

#else /* !PRISM2_NO_STATION_MODES */

static inline int prism2_request_hostscan(struct net_device *dev,
                                          u8 *ssid, u8 ssid_len)
{
        return -EOPNOTSUPP;
}


static inline int prism2_request_scan(struct net_device *dev)
{
        return -EOPNOTSUPP;
}

#endif /* !PRISM2_NO_STATION_MODES */


static int prism2_ioctl_siwscan(struct net_device *dev,
                                struct iw_request_info *info,
                                struct iw_point *data, char *extra)
{
        struct hostap_interface *iface;
        local_info_t *local;
        int ret;
        u8 *ssid = NULL, ssid_len = 0;
        struct iw_scan_req *req = (struct iw_scan_req *) extra;

        iface = netdev_priv(dev);
        local = iface->local;

        if (data->length < sizeof(struct iw_scan_req))
                req = NULL;

        if (local->iw_mode == IW_MODE_MASTER) {
                /* In master mode, we just return the results of our local
                 * tables, so we don't need to start anything...
                 * Jean II */
                data->length = 0;
                return 0;
        }

        if (!local->dev_enabled)
                return -ENETDOWN;

        if (req && data->flags & IW_SCAN_THIS_ESSID) {
                ssid = req->essid;
                ssid_len = req->essid_len;

                if (ssid_len &&
                    ((local->iw_mode != IW_MODE_INFRA &&
                      local->iw_mode != IW_MODE_ADHOC) ||
                     (local->sta_fw_ver < PRISM2_FW_VER(1,3,1))))
                        return -EOPNOTSUPP;
        }

        if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1))
                ret = prism2_request_hostscan(dev, ssid, ssid_len);
        else
                ret = prism2_request_scan(dev);

        if (ret == 0)
                local->scan_timestamp = jiffies;

        /* Could inquire F101, F103 or wait for SIOCGIWSCAN and read RID */

        return ret;
}


#ifndef PRISM2_NO_STATION_MODES
static char * __prism2_translate_scan(local_info_t *local,
                                      struct iw_request_info *info,
                                      struct hfa384x_hostscan_result *scan,
                                      struct hostap_bss_info *bss,
                                      char *current_ev, char *end_buf)
{
        int i, chan;
        struct iw_event iwe;
        char *current_val;
        u16 capabilities;
        u8 *pos;
        u8 *ssid, *bssid;
        size_t ssid_len;
        char *buf;

        if (bss) {
                ssid = bss->ssid;
                ssid_len = bss->ssid_len;
                bssid = bss->bssid;
        } else {
                ssid = scan->ssid;
                ssid_len = le16_to_cpu(scan->ssid_len);
                bssid = scan->bssid;
        }
        if (ssid_len > 32)
                ssid_len = 32;

        /* First entry *MUST* be the AP MAC address */
        memset(&iwe, 0, sizeof(iwe));
        iwe.cmd = SIOCGIWAP;
        iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
        memcpy(iwe.u.ap_addr.sa_data, 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 */

        memset(&iwe, 0, sizeof(iwe));
        iwe.cmd = SIOCGIWESSID;
        iwe.u.data.length = ssid_len;
        iwe.u.data.flags = 1;
        current_ev = iwe_stream_add_point(info, current_ev, end_buf,
                                          &iwe, ssid);

        memset(&iwe, 0, sizeof(iwe));
        iwe.cmd = SIOCGIWMODE;
        if (bss) {
                capabilities = bss->capab_info;
        } else {
                capabilities = le16_to_cpu(scan->capability);
        }
        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);
        }

        memset(&iwe, 0, sizeof(iwe));
        iwe.cmd = SIOCGIWFREQ;
        if (scan) {
                chan = le16_to_cpu(scan->chid);
        } else if (bss) {
                chan = bss->chan;
        } else {
                chan = 0;
        }

        if (chan > 0) {
                iwe.u.freq.m = freq_list[chan - 1] * 100000;
                iwe.u.freq.e = 1;
                current_ev = iwe_stream_add_event(info, current_ev, end_buf,
                                                  &iwe, IW_EV_FREQ_LEN);
        }

        if (scan) {
                memset(&iwe, 0, sizeof(iwe));
                iwe.cmd = IWEVQUAL;
                if (local->last_scan_type == PRISM2_HOSTSCAN) {
                        iwe.u.qual.level = le16_to_cpu(scan->sl);
                        iwe.u.qual.noise = le16_to_cpu(scan->anl);
                } else {
                        iwe.u.qual.level =
                                HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->sl));
                        iwe.u.qual.noise =
                                HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->anl));
                }
                iwe.u.qual.updated = IW_QUAL_LEVEL_UPDATED
                        | IW_QUAL_NOISE_UPDATED
                        | IW_QUAL_QUAL_INVALID
                        | IW_QUAL_DBM;
                current_ev = iwe_stream_add_event(info, current_ev, end_buf,
                                                  &iwe, IW_EV_QUAL_LEN);
        }

        memset(&iwe, 0, sizeof(iwe));
        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, "");

        /* TODO: add SuppRates into BSS table */
        if (scan) {
                memset(&iwe, 0, sizeof(iwe));
                iwe.cmd = SIOCGIWRATE;
                current_val = current_ev + iwe_stream_lcp_len(info);
                pos = scan->sup_rates;
                for (i = 0; i < sizeof(scan->sup_rates); i++) {
                        if (pos[i] == 0)
                                break;
                        /* Bit rate given in 500 kb/s units (+ 0x80) */
                        iwe.u.bitrate.value = ((pos[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;
        }

        /* TODO: add BeaconInt,resp_rate,atim into BSS table */
        buf = kmalloc(MAX_WPA_IE_LEN * 2 + 30, GFP_ATOMIC);
        if (buf && scan) {
                memset(&iwe, 0, sizeof(iwe));
                iwe.cmd = IWEVCUSTOM;
                sprintf(buf, "bcn_int=%d", le16_to_cpu(scan->beacon_interval));
                iwe.u.data.length = strlen(buf);
                current_ev = iwe_stream_add_point(info, current_ev, end_buf,
                                                  &iwe, buf);

                memset(&iwe, 0, sizeof(iwe));
                iwe.cmd = IWEVCUSTOM;
                sprintf(buf, "resp_rate=%d", le16_to_cpu(scan->rate));
                iwe.u.data.length = strlen(buf);
                current_ev = iwe_stream_add_point(info, current_ev, end_buf,
                                                  &iwe, buf);

                if (local->last_scan_type == PRISM2_HOSTSCAN &&
                    (capabilities & WLAN_CAPABILITY_IBSS)) {
                        memset(&iwe, 0, sizeof(iwe));
                        iwe.cmd = IWEVCUSTOM;
                        sprintf(buf, "atim=%d", le16_to_cpu(scan->atim));
                        iwe.u.data.length = strlen(buf);
                        current_ev = iwe_stream_add_point(info, current_ev,
                                                          end_buf, &iwe, buf);
                }
        }
        kfree(buf);

        if (bss && bss->wpa_ie_len > 0 && bss->wpa_ie_len <= MAX_WPA_IE_LEN) {
                memset(&iwe, 0, sizeof(iwe));
                iwe.cmd = IWEVGENIE;
                iwe.u.data.length = bss->wpa_ie_len;
                current_ev = iwe_stream_add_point(info, current_ev, end_buf,
                                                  &iwe, bss->wpa_ie);
        }

        if (bss && bss->rsn_ie_len > 0 && bss->rsn_ie_len <= MAX_WPA_IE_LEN) {
                memset(&iwe, 0, sizeof(iwe));
                iwe.cmd = IWEVGENIE;
                iwe.u.data.length = bss->rsn_ie_len;
                current_ev = iwe_stream_add_point(info, current_ev, end_buf,
                                                  &iwe, bss->rsn_ie);
        }

        return current_ev;
}


/* Translate scan data returned from the card to a card independent
 * format that the Wireless Tools will understand - Jean II */
static inline int prism2_translate_scan(local_info_t *local,
                                        struct iw_request_info *info,
                                        char *buffer, int buflen)
{
        struct hfa384x_hostscan_result *scan;
        int entry, hostscan;
        char *current_ev = buffer;
        char *end_buf = buffer + buflen;
        struct list_head *ptr;

        spin_lock_bh(&local->lock);

        list_for_each(ptr, &local->bss_list) {
                struct hostap_bss_info *bss;
                bss = list_entry(ptr, struct hostap_bss_info, list);
                bss->included = 0;
        }

        hostscan = local->last_scan_type == PRISM2_HOSTSCAN;
        for (entry = 0; entry < local->last_scan_results_count; entry++) {
                int found = 0;
                scan = &local->last_scan_results[entry];

                /* Report every SSID if the AP is using multiple SSIDs. If no
                 * BSS record is found (e.g., when WPA mode is disabled),
                 * report the AP once. */
                list_for_each(ptr, &local->bss_list) {
                        struct hostap_bss_info *bss;
                        bss = list_entry(ptr, struct hostap_bss_info, list);
                        if (ether_addr_equal(bss->bssid, scan->bssid)) {
                                bss->included = 1;
                                current_ev = __prism2_translate_scan(
                                        local, info, scan, bss, current_ev,
                                        end_buf);
                                found++;
                        }
                }
                if (!found) {
                        current_ev = __prism2_translate_scan(
                                local, info, scan, NULL, current_ev, end_buf);
                }
                /* Check if there is space for one more entry */
                if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) {
                        /* Ask user space to try again with a bigger buffer */
                        spin_unlock_bh(&local->lock);
                        return -E2BIG;
                }
        }

        /* Prism2 firmware has limits (32 at least in some versions) for number
         * of BSSes in scan results. Extend this limit by using local BSS list.
         */
        list_for_each(ptr, &local->bss_list) {
                struct hostap_bss_info *bss;
                bss = list_entry(ptr, struct hostap_bss_info, list);
                if (bss->included)
                        continue;
                current_ev = __prism2_translate_scan(local, info, NULL, bss,
                                                     current_ev, end_buf);
                /* Check if there is space for one more entry */
                if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) {
                        /* Ask user space to try again with a bigger buffer */
                        spin_unlock_bh(&local->lock);
                        return -E2BIG;
                }
        }

        spin_unlock_bh(&local->lock);

        return current_ev - buffer;
}
#endif /* PRISM2_NO_STATION_MODES */


static inline int prism2_ioctl_giwscan_sta(struct net_device *dev,
                                           struct iw_request_info *info,
                                           struct iw_point *data, char *extra)
{
#ifdef PRISM2_NO_STATION_MODES
        return -EOPNOTSUPP;
#else /* PRISM2_NO_STATION_MODES */
        struct hostap_interface *iface;
        local_info_t *local;
        int res;

        iface = netdev_priv(dev);
        local = iface->local;

        /* Wait until the scan is finished. We can probably do better
         * than that - Jean II */
        if (local->scan_timestamp &&
            time_before(jiffies, local->scan_timestamp + 3 * HZ)) {
                /* 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
                 * (there may be multiple simultaneous callers).
                 * Second, we grab some rtnetlink lock before coming
                 * here (in dev_ioctl()).
                 * Third, the caller can wait on the Wireless Event
                 * - Jean II */
                return -EAGAIN;
        }
        local->scan_timestamp = 0;

        res = prism2_translate_scan(local, info, extra, data->length);

        if (res >= 0) {
                data->length = res;
                return 0;
        } else {
                data->length = 0;
                return res;
        }
#endif /* PRISM2_NO_STATION_MODES */
}


static int prism2_ioctl_giwscan(struct net_device *dev,
                                struct iw_request_info *info,
                                struct iw_point *data, char *extra)
{
        struct hostap_interface *iface;
        local_info_t *local;
        int res;

        iface = netdev_priv(dev);
        local = iface->local;

        if (local->iw_mode == IW_MODE_MASTER) {
                /* In MASTER mode, it doesn't make sense to go around
                 * scanning the frequencies and make the stations we serve
                 * wait when what the user is really interested about is the
                 * list of stations and access points we are talking to.
                 * So, just extract results from our cache...
                 * Jean II */

                /* Translate to WE format */
                res = prism2_ap_translate_scan(dev, info, extra);
                if (res >= 0) {
                        printk(KERN_DEBUG "Scan result translation succeeded "
                               "(length=%d)\n", res);
                        data->length = res;
                        return 0;
                } else {
                        printk(KERN_DEBUG
                               "Scan result translation failed (res=%d)\n",
                               res);
                        data->length = 0;
                        return res;
                }
        } else {
                /* Station mode */
                return prism2_ioctl_giwscan_sta(dev, info, data, extra);
        }
}


static const struct iw_priv_args prism2_priv[] = {
        { PRISM2_IOCTL_MONITOR,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "monitor" },
        { PRISM2_IOCTL_READMIF,
          IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
          IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "readmif" },
        { PRISM2_IOCTL_WRITEMIF,
          IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 2, 0, "writemif" },
        { PRISM2_IOCTL_RESET,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "reset" },
        { PRISM2_IOCTL_INQUIRE,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "inquire" },
        { PRISM2_IOCTL_SET_RID_WORD,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "set_rid_word" },
        { PRISM2_IOCTL_MACCMD,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "maccmd" },
        { PRISM2_IOCTL_WDS_ADD,
          IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "wds_add" },
        { PRISM2_IOCTL_WDS_DEL,
          IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "wds_del" },
        { PRISM2_IOCTL_ADDMAC,
          IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "addmac" },
        { PRISM2_IOCTL_DELMAC,
          IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "delmac" },
        { PRISM2_IOCTL_KICKMAC,
          IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "kickmac" },
        /* --- raw access to sub-ioctls --- */
        { PRISM2_IOCTL_PRISM2_PARAM,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "prism2_param" },
        { PRISM2_IOCTL_GET_PRISM2_PARAM,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getprism2_param" },
        /* --- sub-ioctls handlers --- */
        { PRISM2_IOCTL_PRISM2_PARAM,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "" },
        { PRISM2_IOCTL_GET_PRISM2_PARAM,
          0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "" },
        /* --- sub-ioctls definitions --- */
        { PRISM2_PARAM_TXRATECTRL,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "txratectrl" },
        { PRISM2_PARAM_TXRATECTRL,
          0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gettxratectrl" },
        { PRISM2_PARAM_BEACON_INT,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "beacon_int" },
        { PRISM2_PARAM_BEACON_INT,
          0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbeacon_int" },
#ifndef PRISM2_NO_STATION_MODES
        { PRISM2_PARAM_PSEUDO_IBSS,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "pseudo_ibss" },
        { PRISM2_PARAM_PSEUDO_IBSS,
          0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getpseudo_ibss" },
#endif /* PRISM2_NO_STATION_MODES */
        { PRISM2_PARAM_ALC,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "alc" },
        { PRISM2_PARAM_ALC,
          0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getalc" },
        { PRISM2_PARAM_DUMP,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dump" },
        { PRISM2_PARAM_DUMP,
          0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdump" },
        { PRISM2_PARAM_OTHER_AP_POLICY,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "other_ap_policy" },
        { PRISM2_PARAM_OTHER_AP_POLICY,
          0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getother_ap_pol" },
        { PRISM2_PARAM_AP_MAX_INACTIVITY,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "max_inactivity" },
        { PRISM2_PARAM_AP_MAX_INACTIVITY,
          0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmax_inactivi" },
        { PRISM2_PARAM_AP_BRIDGE_PACKETS,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bridge_packets" },
        { PRISM2_PARAM_AP_BRIDGE_PACKETS,
          0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbridge_packe" },
        { PRISM2_PARAM_DTIM_PERIOD,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dtim_period" },
        { PRISM2_PARAM_DTIM_PERIOD,
          0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdtim_period" },
        { PRISM2_PARAM_AP_NULLFUNC_ACK,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "nullfunc_ack" },
        { PRISM2_PARAM_AP_NULLFUNC_ACK,
          0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getnullfunc_ack" },
        { PRISM2_PARAM_MAX_WDS,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "max_wds" },
        { PRISM2_PARAM_MAX_WDS,
          0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmax_wds" },
        { PRISM2_PARAM_AP_AUTOM_AP_WDS,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "autom_ap_wds" },
        { PRISM2_PARAM_AP_AUTOM_AP_WDS,
          0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getautom_ap_wds" },
        { PRISM2_PARAM_AP_AUTH_ALGS,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ap_auth_algs" },
        { PRISM2_PARAM_AP_AUTH_ALGS,
          0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getap_auth_algs" },
        { PRISM2_PARAM_MONITOR_ALLOW_FCSERR,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "allow_fcserr" },
        { PRISM2_PARAM_MONITOR_ALLOW_FCSERR,
          0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getallow_fcserr" },
        { PRISM2_PARAM_HOST_ENCRYPT,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_encrypt" },
        { PRISM2_PARAM_HOST_ENCRYPT,
          0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_encrypt" },
        { PRISM2_PARAM_HOST_DECRYPT,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_decrypt" },
        { PRISM2_PARAM_HOST_DECRYPT,
          0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_decrypt" },
#ifndef PRISM2_NO_STATION_MODES
        { PRISM2_PARAM_HOST_ROAMING,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_roaming" },
        { PRISM2_PARAM_HOST_ROAMING,
          0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_roaming" },
#endif /* PRISM2_NO_STATION_MODES */
        { PRISM2_PARAM_BCRX_STA_KEY,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bcrx_sta_key" },
        { PRISM2_PARAM_BCRX_STA_KEY,
          0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbcrx_sta_key" },
        { PRISM2_PARAM_IEEE_802_1X,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ieee_802_1x" },
        { PRISM2_PARAM_IEEE_802_1X,
          0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getieee_802_1x" },
        { PRISM2_PARAM_ANTSEL_TX,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "antsel_tx" },
        { PRISM2_PARAM_ANTSEL_TX,
          0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getantsel_tx" },
        { PRISM2_PARAM_ANTSEL_RX,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "antsel_rx" },
        { PRISM2_PARAM_ANTSEL_RX,
          0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getantsel_rx" },
        { PRISM2_PARAM_MONITOR_TYPE,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "monitor_type" },
        { PRISM2_PARAM_MONITOR_TYPE,
          0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmonitor_type" },
        { PRISM2_PARAM_WDS_TYPE,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wds_type" },
        { PRISM2_PARAM_WDS_TYPE,
          0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getwds_type" },
        { PRISM2_PARAM_HOSTSCAN,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostscan" },
        { PRISM2_PARAM_HOSTSCAN,
          0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostscan" },
        { PRISM2_PARAM_AP_SCAN,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ap_scan" },
        { PRISM2_PARAM_AP_SCAN,
          0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getap_scan" },
        { PRISM2_PARAM_ENH_SEC,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "enh_sec" },
        { PRISM2_PARAM_ENH_SEC,
          0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getenh_sec" },
#ifdef PRISM2_IO_DEBUG
        { PRISM2_PARAM_IO_DEBUG,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "io_debug" },
        { PRISM2_PARAM_IO_DEBUG,
          0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getio_debug" },
#endif /* PRISM2_IO_DEBUG */
        { PRISM2_PARAM_BASIC_RATES,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "basic_rates" },
        { PRISM2_PARAM_BASIC_RATES,
          0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbasic_rates" },
        { PRISM2_PARAM_OPER_RATES,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "oper_rates" },
        { PRISM2_PARAM_OPER_RATES,
          0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getoper_rates" },
        { PRISM2_PARAM_HOSTAPD,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostapd" },
        { PRISM2_PARAM_HOSTAPD,
          0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostapd" },
        { PRISM2_PARAM_HOSTAPD_STA,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostapd_sta" },
        { PRISM2_PARAM_HOSTAPD_STA,
          0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostapd_sta" },
        { PRISM2_PARAM_WPA,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wpa" },
        { PRISM2_PARAM_WPA,
          0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getwpa" },
        { PRISM2_PARAM_PRIVACY_INVOKED,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "privacy_invoked" },
        { PRISM2_PARAM_PRIVACY_INVOKED,
          0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getprivacy_invo" },
        { PRISM2_PARAM_TKIP_COUNTERMEASURES,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "tkip_countermea" },
        { PRISM2_PARAM_TKIP_COUNTERMEASURES,
          0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gettkip_counter" },
        { PRISM2_PARAM_DROP_UNENCRYPTED,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "drop_unencrypte" },
        { PRISM2_PARAM_DROP_UNENCRYPTED,
          0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdrop_unencry" },
        { PRISM2_PARAM_SCAN_CHANNEL_MASK,
          IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "scan_channels" },
        { PRISM2_PARAM_SCAN_CHANNEL_MASK,
          0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getscan_channel" },
};


static int prism2_ioctl_priv_inquire(struct net_device *dev, int *i)
{
        struct hostap_interface *iface;
        local_info_t *local;

        iface = netdev_priv(dev);
        local = iface->local;

        if (local->func->cmd(dev, HFA384X_CMDCODE_INQUIRE, *i, NULL, NULL))
                return -EOPNOTSUPP;

        return 0;
}


static int prism2_ioctl_priv_prism2_param(struct net_device *dev,
                                          struct iw_request_info *info,
                                          void *wrqu, char *extra)
{
        struct hostap_interface *iface;
        local_info_t *local;
        int *i = (int *) extra;
        int param = *i;
        int value = *(i + 1);
        int ret = 0;
        u16 val;

        iface = netdev_priv(dev);
        local = iface->local;

        switch (param) {
        case PRISM2_PARAM_TXRATECTRL:
                local->fw_tx_rate_control = value;
                break;

        case PRISM2_PARAM_BEACON_INT:
                if (hostap_set_word(dev, HFA384X_RID_CNFBEACONINT, value) ||
                    local->func->reset_port(dev))
                        ret = -EINVAL;
                else
                        local->beacon_int = value;
                break;

#ifndef PRISM2_NO_STATION_MODES
        case PRISM2_PARAM_PSEUDO_IBSS:
                if (value == local->pseudo_adhoc)
                        break;

                if (value != 0 && value != 1) {
                        ret = -EINVAL;
                        break;
                }

                printk(KERN_DEBUG "prism2: %s: pseudo IBSS change %d -> %d\n",
                       dev->name, local->pseudo_adhoc, value);
                local->pseudo_adhoc = value;
                if (local->iw_mode != IW_MODE_ADHOC)
                        break;

                if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
                                    hostap_get_porttype(local))) {
                        ret = -EOPNOTSUPP;
                        break;
                }

                if (local->func->reset_port(dev))
                        ret = -EINVAL;
                break;
#endif /* PRISM2_NO_STATION_MODES */

        case PRISM2_PARAM_ALC:
                printk(KERN_DEBUG "%s: %s ALC\n", dev->name,
                       value == 0 ? "Disabling" : "Enabling");
                val = HFA384X_TEST_CFG_BIT_ALC;
                local->func->cmd(dev, HFA384X_CMDCODE_TEST |
                                 (HFA384X_TEST_CFG_BITS << 8),
                                 value == 0 ? 0 : 1, &val, NULL);
                break;

        case PRISM2_PARAM_DUMP:
                local->frame_dump = value;
                break;

        case PRISM2_PARAM_OTHER_AP_POLICY:
                if (value < 0 || value > 3) {
                        ret = -EINVAL;
                        break;
                }
                if (local->ap != NULL)
                        local->ap->ap_policy = value;
                break;

        case PRISM2_PARAM_AP_MAX_INACTIVITY:
                if (value < 0 || value > 7 * 24 * 60 * 60) {
                        ret = -EINVAL;
                        break;
                }
                if (local->ap != NULL)
                        local->ap->max_inactivity = value * HZ;
                break;

        case PRISM2_PARAM_AP_BRIDGE_PACKETS:
                if (local->ap != NULL)
                        local->ap->bridge_packets = value;
                break;

        case PRISM2_PARAM_DTIM_PERIOD:
                if (value < 0 || value > 65535) {
                        ret = -EINVAL;
                        break;
                }
                if (hostap_set_word(dev, HFA384X_RID_CNFOWNDTIMPERIOD, value)
                    || local->func->reset_port(dev))
                        ret = -EINVAL;
                else
                        local->dtim_period = value;
                break;

        case PRISM2_PARAM_AP_NULLFUNC_ACK:
                if (local->ap != NULL)
                        local->ap->nullfunc_ack = value;
                break;

        case PRISM2_PARAM_MAX_WDS:
                local->wds_max_connections = value;
                break;

        case PRISM2_PARAM_AP_AUTOM_AP_WDS:
                if (local->ap != NULL) {
                        if (!local->ap->autom_ap_wds && value) {
                                /* add WDS link to all APs in STA table */
                                hostap_add_wds_links(local);
                        }
                        local->ap->autom_ap_wds = value;
                }
                break;

        case PRISM2_PARAM_AP_AUTH_ALGS:
                local->auth_algs = value;
                if (hostap_set_auth_algs(local))
                        ret = -EINVAL;
                break;

        case PRISM2_PARAM_MONITOR_ALLOW_FCSERR:
                local->monitor_allow_fcserr = value;
                break;

        case PRISM2_PARAM_HOST_ENCRYPT:
                local->host_encrypt = value;
                if (hostap_set_encryption(local) ||
                    local->func->reset_port(dev))
                        ret = -EINVAL;
                break;

        case PRISM2_PARAM_HOST_DECRYPT:
                local->host_decrypt = value;
                if (hostap_set_encryption(local) ||
                    local->func->reset_port(dev))
                        ret = -EINVAL;
                break;

#ifndef PRISM2_NO_STATION_MODES
        case PRISM2_PARAM_HOST_ROAMING:
                if (value < 0 || value > 2) {
                        ret = -EINVAL;
                        break;
                }
                local->host_roaming = value;
                if (hostap_set_roaming(local) || local->func->reset_port(dev))
                        ret = -EINVAL;
                break;
#endif /* PRISM2_NO_STATION_MODES */

        case PRISM2_PARAM_BCRX_STA_KEY:
                local->bcrx_sta_key = value;
                break;

        case PRISM2_PARAM_IEEE_802_1X:
                local->ieee_802_1x = value;
                break;

        case PRISM2_PARAM_ANTSEL_TX:
                if (value < 0 || value > HOSTAP_ANTSEL_HIGH) {
                        ret = -EINVAL;
                        break;
                }
                local->antsel_tx = value;
                hostap_set_antsel(local);
                break;

        case PRISM2_PARAM_ANTSEL_RX:
                if (value < 0 || value > HOSTAP_ANTSEL_HIGH) {
                        ret = -EINVAL;
                        break;
                }
                local->antsel_rx = value;
                hostap_set_antsel(local);
                break;

        case PRISM2_PARAM_MONITOR_TYPE:
                if (value != PRISM2_MONITOR_80211 &&
                    value != PRISM2_MONITOR_CAPHDR &&
                    value != PRISM2_MONITOR_PRISM &&
                    value != PRISM2_MONITOR_RADIOTAP) {
                        ret = -EINVAL;
                        break;
                }
                local->monitor_type = value;
                if (local->iw_mode == IW_MODE_MONITOR)
                        hostap_monitor_set_type(local);
                break;

        case PRISM2_PARAM_WDS_TYPE:
                local->wds_type = value;
                break;

        case PRISM2_PARAM_HOSTSCAN:
        {
                struct hfa384x_hostscan_request scan_req;
                u16 rate;

                memset(&scan_req, 0, sizeof(scan_req));
                scan_req.channel_list = cpu_to_le16(0x3fff);
                switch (value) {
                case 1: rate = HFA384X_RATES_1MBPS; break;
                case 2: rate = HFA384X_RATES_2MBPS; break;
                case 3: rate = HFA384X_RATES_5MBPS; break;
                case 4: rate = HFA384X_RATES_11MBPS; break;
                default: rate = HFA384X_RATES_1MBPS; break;
                }
                scan_req.txrate = cpu_to_le16(rate);
                /* leave SSID empty to accept all SSIDs */

                if (local->iw_mode == IW_MODE_MASTER) {
                        if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
                                            HFA384X_PORTTYPE_BSS) ||
                            local->func->reset_port(dev))
                                printk(KERN_DEBUG "Leaving Host AP mode "
                                       "for HostScan failed\n");
                }

                if (local->func->set_rid(dev, HFA384X_RID_HOSTSCAN, &scan_req,
                                         sizeof(scan_req))) {
                        printk(KERN_DEBUG "HOSTSCAN failed\n");
                        ret = -EINVAL;
                }
                if (local->iw_mode == IW_MODE_MASTER) {
                        wait_queue_entry_t __wait;
                        init_waitqueue_entry(&__wait, current);
                        add_wait_queue(&local->hostscan_wq, &__wait);
                        set_current_state(TASK_INTERRUPTIBLE);
                        schedule_timeout(HZ);
                        if (signal_pending(current))
                                ret = -EINTR;
                        set_current_state(TASK_RUNNING);
                        remove_wait_queue(&local->hostscan_wq, &__wait);

                        if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
                                            HFA384X_PORTTYPE_HOSTAP) ||
                            local->func->reset_port(dev))
                                printk(KERN_DEBUG "Returning to Host AP mode "
                                       "after HostScan failed\n");
                }
                break;
        }

        case PRISM2_PARAM_AP_SCAN:
                local->passive_scan_interval = value;
                if (timer_pending(&local->passive_scan_timer))
                        del_timer(&local->passive_scan_timer);
                if (value > 0 && value < INT_MAX / HZ) {
                        local->passive_scan_timer.expires = jiffies +
                                local->passive_scan_interval * HZ;
                        add_timer(&local->passive_scan_timer);
                }
                break;

        case PRISM2_PARAM_ENH_SEC:
                if (value < 0 || value > 3) {
                        ret = -EINVAL;
                        break;
                }
                local->enh_sec = value;
                if (hostap_set_word(dev, HFA384X_RID_CNFENHSECURITY,
                                    local->enh_sec) ||
                    local->func->reset_port(dev)) {
                        printk(KERN_INFO "%s: cnfEnhSecurity requires STA f/w "
                               "1.6.3 or newer\n", dev->name);
                        ret = -EOPNOTSUPP;
                }
                break;

#ifdef PRISM2_IO_DEBUG
        case PRISM2_PARAM_IO_DEBUG:
                local->io_debug_enabled = value;
                break;
#endif /* PRISM2_IO_DEBUG */

        case PRISM2_PARAM_BASIC_RATES:
                if ((value & local->tx_rate_control) != value || value == 0) {
                        printk(KERN_INFO "%s: invalid basic rate set - basic "
                               "rates must be in supported rate set\n",
                               dev->name);
                        ret = -EINVAL;
                        break;
                }
                local->basic_rates = value;
                if (hostap_set_word(dev, HFA384X_RID_CNFBASICRATES,
                                    local->basic_rates) ||
                    local->func->reset_port(dev))
                        ret = -EINVAL;
                break;

        case PRISM2_PARAM_OPER_RATES:
                local->tx_rate_control = value;
                if (hostap_set_rate(dev))
                        ret = -EINVAL;
                break;

        case PRISM2_PARAM_HOSTAPD:
                ret = hostap_set_hostapd(local, value, 1);
                break;

        case PRISM2_PARAM_HOSTAPD_STA:
                ret = hostap_set_hostapd_sta(local, value, 1);
                break;

        case PRISM2_PARAM_WPA:
                local->wpa = value;
                if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
                        ret = -EOPNOTSUPP;
                else if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE,
                                         value ? 1 : 0))
                        ret = -EINVAL;
                break;

        case PRISM2_PARAM_PRIVACY_INVOKED:
                local->privacy_invoked = value;
                if (hostap_set_encryption(local) ||
                    local->func->reset_port(dev))
                        ret = -EINVAL;
                break;

        case PRISM2_PARAM_TKIP_COUNTERMEASURES:
                local->tkip_countermeasures = value;
                break;

        case PRISM2_PARAM_DROP_UNENCRYPTED:
                local->drop_unencrypted = value;
                break;

        case PRISM2_PARAM_SCAN_CHANNEL_MASK:
                local->scan_channel_mask = value;
                break;

        default:
                printk(KERN_DEBUG "%s: prism2_param: unknown param %d\n",
                       dev->name, param);
                ret = -EOPNOTSUPP;
                break;
        }

        return ret;
}


static int prism2_ioctl_priv_get_prism2_param(struct net_device *dev,
                                              struct iw_request_info *info,
                                              void *wrqu, char *extra)
{
        struct hostap_interface *iface;
        local_info_t *local;
        int *param = (int *) extra;
        int ret = 0;

        iface = netdev_priv(dev);
        local = iface->local;

        switch (*param) {
        case PRISM2_PARAM_TXRATECTRL:
                *param = local->fw_tx_rate_control;
                break;

        case PRISM2_PARAM_BEACON_INT:
                *param = local->beacon_int;
                break;

        case PRISM2_PARAM_PSEUDO_IBSS:
                *param = local->pseudo_adhoc;
                break;

        case PRISM2_PARAM_ALC:
                ret = -EOPNOTSUPP; /* FIX */
                break;

        case PRISM2_PARAM_DUMP:
                *param = local->frame_dump;
                break;

        case PRISM2_PARAM_OTHER_AP_POLICY:
                if (local->ap != NULL)
                        *param = local->ap->ap_policy;
                else
                        ret = -EOPNOTSUPP;
                break;

        case PRISM2_PARAM_AP_MAX_INACTIVITY:
                if (local->ap != NULL)
                        *param = local->ap->max_inactivity / HZ;
                else
                        ret = -EOPNOTSUPP;
                break;

        case PRISM2_PARAM_AP_BRIDGE_PACKETS:
                if (local->ap != NULL)
                        *param = local->ap->bridge_packets;
                else
                        ret = -EOPNOTSUPP;
                break;

        case PRISM2_PARAM_DTIM_PERIOD:
                *param = local->dtim_period;
                break;

        case PRISM2_PARAM_AP_NULLFUNC_ACK:
                if (local->ap != NULL)
                        *param = local->ap->nullfunc_ack;
                else
                        ret = -EOPNOTSUPP;
                break;

        case PRISM2_PARAM_MAX_WDS:
                *param = local->wds_max_connections;
                break;

        case PRISM2_PARAM_AP_AUTOM_AP_WDS:
                if (local->ap != NULL)
                        *param = local->ap->autom_ap_wds;
                else
                        ret = -EOPNOTSUPP;
                break;

        case PRISM2_PARAM_AP_AUTH_ALGS:
                *param = local->auth_algs;
                break;

        case PRISM2_PARAM_MONITOR_ALLOW_FCSERR:
                *param = local->monitor_allow_fcserr;
                break;

        case PRISM2_PARAM_HOST_ENCRYPT:
                *param = local->host_encrypt;
                break;

        case PRISM2_PARAM_HOST_DECRYPT:
                *param = local->host_decrypt;
                break;

        case PRISM2_PARAM_HOST_ROAMING:
                *param = local->host_roaming;
                break;

        case PRISM2_PARAM_BCRX_STA_KEY:
                *param = local->bcrx_sta_key;
                break;

        case PRISM2_PARAM_IEEE_802_1X:
                *param = local->ieee_802_1x;
                break;

        case PRISM2_PARAM_ANTSEL_TX:
                *param = local->antsel_tx;
                break;

        case PRISM2_PARAM_ANTSEL_RX:
                *param = local->antsel_rx;
                break;

        case PRISM2_PARAM_MONITOR_TYPE:
                *param = local->monitor_type;
                break;

        case PRISM2_PARAM_WDS_TYPE:
                *param = local->wds_type;
                break;

        case PRISM2_PARAM_HOSTSCAN:
                ret = -EOPNOTSUPP;
                break;

        case PRISM2_PARAM_AP_SCAN:
                *param = local->passive_scan_interval;
                break;

        case PRISM2_PARAM_ENH_SEC:
                *param = local->enh_sec;
                break;

#ifdef PRISM2_IO_DEBUG
        case PRISM2_PARAM_IO_DEBUG:
                *param = local->io_debug_enabled;
                break;
#endif /* PRISM2_IO_DEBUG */

        case PRISM2_PARAM_BASIC_RATES:
                *param = local->basic_rates;
                break;

        case PRISM2_PARAM_OPER_RATES:
                *param = local->tx_rate_control;
                break;

        case PRISM2_PARAM_HOSTAPD:
                *param = local->hostapd;
                break;

        case PRISM2_PARAM_HOSTAPD_STA:
                *param = local->hostapd_sta;
                break;

        case PRISM2_PARAM_WPA:
                if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
                        ret = -EOPNOTSUPP;
                *param = local->wpa;
                break;

        case PRISM2_PARAM_PRIVACY_INVOKED:
                *param = local->privacy_invoked;
                break;

        case PRISM2_PARAM_TKIP_COUNTERMEASURES:
                *param = local->tkip_countermeasures;
                break;

        case PRISM2_PARAM_DROP_UNENCRYPTED:
                *param = local->drop_unencrypted;
                break;

        case PRISM2_PARAM_SCAN_CHANNEL_MASK:
                *param = local->scan_channel_mask;
                break;

        default:
                printk(KERN_DEBUG "%s: get_prism2_param: unknown param %d\n",
                       dev->name, *param);
                ret = -EOPNOTSUPP;
                break;
        }

        return ret;
}


static int prism2_ioctl_priv_readmif(struct net_device *dev,
                                     struct iw_request_info *info,
                                     void *wrqu, char *extra)
{
        struct hostap_interface *iface;
        local_info_t *local;
        u16 resp0;

        iface = netdev_priv(dev);
        local = iface->local;

        if (local->func->cmd(dev, HFA384X_CMDCODE_READMIF, *extra, NULL,
                             &resp0))
                return -EOPNOTSUPP;
        else
                *extra = resp0;

        return 0;
}


static int prism2_ioctl_priv_writemif(struct net_device *dev,
                                      struct iw_request_info *info,
                                      void *wrqu, char *extra)
{
        struct hostap_interface *iface;
        local_info_t *local;
        u16 cr, val;

        iface = netdev_priv(dev);
        local = iface->local;

        cr = *extra;
        val = *(extra + 1);
        if (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF, cr, &val, NULL))
                return -EOPNOTSUPP;

        return 0;
}


static int prism2_ioctl_priv_monitor(struct net_device *dev, int *i)
{
        struct hostap_interface *iface;
        local_info_t *local;
        int ret = 0;
        u32 mode;

        iface = netdev_priv(dev);
        local = iface->local;

        printk(KERN_DEBUG "%s: process %d (%s) used deprecated iwpriv monitor "
               "- update software to use iwconfig mode monitor\n",
               dev->name, task_pid_nr(current), current->comm);

        /* Backward compatibility code - this can be removed at some point */

        if (*i == 0) {
                /* Disable monitor mode - old mode was not saved, so go to
                 * Master mode */
                mode = IW_MODE_MASTER;
                ret = prism2_ioctl_siwmode(dev, NULL, &mode, NULL);
        } else if (*i == 1) {
                /* netlink socket mode is not supported anymore since it did
                 * not separate different devices from each other and was not
                 * best method for delivering large amount of packets to
                 * user space */
                ret = -EOPNOTSUPP;
        } else if (*i == 2 || *i == 3) {
                switch (*i) {
                case 2:
                        local->monitor_type = PRISM2_MONITOR_80211;
                        break;
                case 3:
                        local->monitor_type = PRISM2_MONITOR_PRISM;
                        break;
                }
                mode = IW_MODE_MONITOR;
                ret = prism2_ioctl_siwmode(dev, NULL, &mode, NULL);
                hostap_monitor_mode_enable(local);
        } else
                ret = -EINVAL;

        return ret;
}


static int prism2_ioctl_priv_reset(struct net_device *dev, int *i)
{
        struct hostap_interface *iface;
        local_info_t *local;

        iface = netdev_priv(dev);
        local = iface->local;

        printk(KERN_DEBUG "%s: manual reset request(%d)\n", dev->name, *i);
        switch (*i) {
        case 0:
                /* Disable and enable card */
                local->func->hw_shutdown(dev, 1);
                local->func->hw_config(dev, 0);
                break;

        case 1:
                /* COR sreset */
                local->func->hw_reset(dev);
                break;

        case 2:
                /* Disable and enable port 0 */
                local->func->reset_port(dev);
                break;

        case 3:
                prism2_sta_deauth(local, WLAN_REASON_DEAUTH_LEAVING);
                if (local->func->cmd(dev, HFA384X_CMDCODE_DISABLE, 0, NULL,
                                     NULL))
                        return -EINVAL;
                break;

        case 4:
                if (local->func->cmd(dev, HFA384X_CMDCODE_ENABLE, 0, NULL,
                                     NULL))
                        return -EINVAL;
                break;

        default:
                printk(KERN_DEBUG "Unknown reset request %d\n", *i);
                return -EOPNOTSUPP;
        }

        return 0;
}


static int prism2_ioctl_priv_set_rid_word(struct net_device *dev, int *i)
{
        int rid = *i;
        int value = *(i + 1);

        printk(KERN_DEBUG "%s: Set RID[0x%X] = %d\n", dev->name, rid, value);

        if (hostap_set_word(dev, rid, value))
                return -EINVAL;

        return 0;
}