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linux/drivers/net/wireless/hostap/hostap_ioctl.c
Julian Calaby 24e0f9f847 Hostap: Fix "'ret' set but not used" warning message from GCC in hostap 
CC [M]  drivers/net/wireless/hostap/hostap_ioctl.o
drivers/net/wireless/hostap/hostap_ioctl.c: In function 'prism2_request_scan':
drivers/net/wireless/hostap/hostap_ioctl.c:1666:6: warning: variable 'ret' set but not used

Signed-off-by: Julian Calaby <julian.calaby@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-08-24 16:28:20 -04:00

4059 lines
104 KiB
C
Raw Blame History

/* ioctl() (mostly Linux Wireless Extensions) routines for Host AP driver */
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/sched.h>
#include <linux/ethtool.h>
#include <linux/if_arp.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(sizeof(struct sockaddr) * IW_MAX_AP, GFP_KERNEL);
qual = kmalloc(sizeof(struct iw_quality) * IW_MAX_AP, 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 (memcmp(local->preferred_ap, entry->bssid, ETH_ALEN) == 0) {
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 independant
* 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 (memcmp(bss->bssid, scan->bssid, ETH_ALEN) == 0) {
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 comming
* 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_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) {
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;
}
#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT
static int ap_mac_cmd_ioctl(local_info_t *local, int *cmd)
{
int ret = 0;
switch (*cmd) {
case AP_MAC_CMD_POLICY_OPEN:
local->ap->mac_restrictions.policy = MAC_POLICY_OPEN;
break;
case AP_MAC_CMD_POLICY_ALLOW:
local->ap->mac_restrictions.policy = MAC_POLICY_ALLOW;
break;
case AP_MAC_CMD_POLICY_DENY:
local->ap->mac_restrictions.policy = MAC_POLICY_DENY;
break;
case AP_MAC_CMD_FLUSH:
ap_control_flush_macs(&local->ap->mac_restrictions);
break;
case AP_MAC_CMD_KICKALL:
ap_control_kickall(local->ap);
hostap_deauth_all_stas(local->dev, local->ap, 0);
break;
default:
ret = -EOPNOTSUPP;
break;
}
return ret;
}
#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
#ifdef PRISM2_DOWNLOAD_SUPPORT
static int prism2_ioctl_priv_download(local_info_t *local, struct iw_point *p)
{
struct prism2_download_param *param;
int ret = 0;
if (p->length < sizeof(struct prism2_download_param) ||
p->length > 1024 || !p->pointer)
return -EINVAL;
param = kmalloc(p->length, GFP_KERNEL);
if (param == NULL)
return -ENOMEM;
if (copy_from_user(param, p->pointer, p->length)) {
ret = -EFAULT;
goto out;
}
if (p->length < sizeof(struct prism2_download_param) +
param->num_areas * sizeof(struct prism2_download_area)) {
ret = -EINVAL;
goto out;
}
ret = local->func->download(local, param);
out:
kfree(param);
return ret;
}
#endif /* PRISM2_DOWNLOAD_SUPPORT */
static int prism2_set_genericelement(struct net_device *dev, u8 *elem,
size_t len)
{
struct hostap_interface *iface = netdev_priv(dev);
local_info_t *local = iface->local;
u8 *buf;
/*
* Add 16-bit length in the beginning of the buffer because Prism2 RID
* includes it.
*/
buf = kmalloc(len + 2, GFP_KERNEL);
if (buf == NULL)
return -ENOMEM;
*((__le16 *) buf) = cpu_to_le16(len);
memcpy(buf + 2, elem, len);
kfree(local->generic_elem);
local->generic_elem = buf;
local->generic_elem_len = len + 2;
return local->func->set_rid(local->dev, HFA384X_RID_GENERICELEMENT,
buf, len + 2);
}
static int prism2_ioctl_siwauth(struct net_device *dev,
struct iw_request_info *info,
struct iw_param *data, char *extra)
{
struct hostap_interface *iface = netdev_priv(dev);
local_info_t *local = iface->local;
switch (data->flags & IW_AUTH_INDEX) {
case IW_AUTH_WPA_VERSION:
case IW_AUTH_CIPHER_PAIRWISE:
case IW_AUTH_CIPHER_GROUP:
case IW_AUTH_KEY_MGMT:
/*
* Host AP driver does not use these parameters and allows
* wpa_supplicant to control them internally.
*/
break;
case IW_AUTH_TKIP_COUNTERMEASURES:
local->tkip_countermeasures = data->value;
break;
case IW_AUTH_DROP_UNENCRYPTED:
local->drop_unencrypted = data->value;
break;
case IW_AUTH_80211_AUTH_ALG:
local->auth_algs = data->value;
break;
case IW_AUTH_WPA_ENABLED:
if (data->value == 0) {
local->wpa = 0;
if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
break;
prism2_set_genericelement(dev, "", 0);
local->host_roaming = 0;
local->privacy_invoked = 0;
if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE,
0) ||
hostap_set_roaming(local) ||
hostap_set_encryption(local) ||
local->func->reset_port(dev))
return -EINVAL;
break;
}
if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
return -EOPNOTSUPP;
local->host_roaming = 2;
local->privacy_invoked = 1;
local->wpa = 1;
if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE, 1) ||
hostap_set_roaming(local) ||
hostap_set_encryption(local) ||
local->func->reset_port(dev))
return -EINVAL;
break;
case IW_AUTH_RX_UNENCRYPTED_EAPOL:
local->ieee_802_1x = data->value;
break;
case IW_AUTH_PRIVACY_INVOKED:
local->privacy_invoked = data->value;
break;
default:
return -EOPNOTSUPP;
}
return 0;
}
static int prism2_ioctl_giwauth(struct net_device *dev,
struct iw_request_info *info,
struct iw_param *data, char *extra)
{
struct hostap_interface *iface = netdev_priv(dev);
local_info_t *local = iface->local;
switch (data->flags & IW_AUTH_INDEX) {
case IW_AUTH_WPA_VERSION:
case IW_AUTH_CIPHER_PAIRWISE:
case IW_AUTH_CIPHER_GROUP:
case IW_AUTH_KEY_MGMT:
/*
* Host AP driver does not use these parameters and allows
* wpa_supplicant to control them internally.
*/
return -EOPNOTSUPP;
case IW_AUTH_TKIP_COUNTERMEASURES:
data->value = local->tkip_countermeasures;
break;
case IW_AUTH_DROP_UNENCRYPTED:
data->value = local->drop_unencrypted;
break;
case IW_AUTH_80211_AUTH_ALG:
data->value = local->auth_algs;
break;
case IW_AUTH_WPA_ENABLED:
data->value = local->wpa;
break;
case IW_AUTH_RX_UNENCRYPTED_EAPOL:
data->value = local->ieee_802_1x;
break;
default:
return -EOPNOTSUPP;
}
return 0;
}
static int prism2_ioctl_siwencodeext(struct net_device *dev,
struct iw_request_info *info,
struct iw_point *erq, char *extra)
{
struct hostap_interface *iface = netdev_priv(dev);
local_info_t *local = iface->local;
struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
int i, ret = 0;
struct lib80211_crypto_ops *ops;
struct lib80211_crypt_data **crypt;
void *sta_ptr;
u8 *addr;
const char *alg, *module;
i = erq->flags & IW_ENCODE_INDEX;
if (i > WEP_KEYS)
return -EINVAL;
if (i < 1 || i > WEP_KEYS)
i = local->crypt_info.tx_keyidx;
else
i--;
if (i < 0 || i >= WEP_KEYS)
return -EINVAL;
addr = ext->addr.sa_data;
if (addr[0] == 0xff && addr[1] == 0xff && addr[2] == 0xff &&
addr[3] == 0xff && addr[4] == 0xff && addr[5] == 0xff) {
sta_ptr = NULL;
crypt = &local->crypt_info.crypt[i];
} else {
if (i != 0)
return -EINVAL;
sta_ptr = ap_crypt_get_ptrs(local->ap, addr, 0, &crypt);
if (sta_ptr == NULL) {
if (local->iw_mode == IW_MODE_INFRA) {
/*
* TODO: add STA entry for the current AP so
* that unicast key can be used. For now, this
* is emulated by using default key idx 0.
*/
i = 0;
crypt = &local->crypt_info.crypt[i];
} else
return -EINVAL;
}
}
if ((erq->flags & IW_ENCODE_DISABLED) ||
ext->alg == IW_ENCODE_ALG_NONE) {
if (*crypt)
lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
goto done;
}
switch (ext->alg) {
case IW_ENCODE_ALG_WEP:
alg = "WEP";
module = "lib80211_crypt_wep";
break;
case IW_ENCODE_ALG_TKIP:
alg = "TKIP";
module = "lib80211_crypt_tkip";
break;
case IW_ENCODE_ALG_CCMP:
alg = "CCMP";
module = "lib80211_crypt_ccmp";
break;
default:
printk(KERN_DEBUG "%s: unsupported algorithm %d\n",
local->dev->name, ext->alg);
ret = -EOPNOTSUPP;
goto done;
}
ops = lib80211_get_crypto_ops(alg);
if (ops == NULL) {
request_module(module);
ops = lib80211_get_crypto_ops(alg);
}
if (ops == NULL) {
printk(KERN_DEBUG "%s: unknown crypto alg '%s'\n",
local->dev->name, alg);
ret = -EOPNOTSUPP;
goto done;
}
if (sta_ptr || ext->alg != IW_ENCODE_ALG_WEP) {
/*
* Per station encryption and other than WEP algorithms
* require host-based encryption, so force them on
* automatically.
*/
local->host_decrypt = local->host_encrypt = 1;
}
if (*crypt == NULL || (*crypt)->ops != ops) {
struct lib80211_crypt_data *new_crypt;
lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
new_crypt = kzalloc(sizeof(struct lib80211_crypt_data),
GFP_KERNEL);
if (new_crypt == NULL) {
ret = -ENOMEM;
goto done;
}
new_crypt->ops = ops;
if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
new_crypt->priv = new_crypt->ops->init(i);
if (new_crypt->priv == NULL) {
kfree(new_crypt);
ret = -EINVAL;
goto done;
}
*crypt = new_crypt;
}
/*
* TODO: if ext_flags does not have IW_ENCODE_EXT_RX_SEQ_VALID, the
* existing seq# should not be changed.
* TODO: if ext_flags has IW_ENCODE_EXT_TX_SEQ_VALID, next TX seq#
* should be changed to something else than zero.
*/
if ((!(ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) || ext->key_len > 0)
&& (*crypt)->ops->set_key &&
(*crypt)->ops->set_key(ext->key, ext->key_len, ext->rx_seq,
(*crypt)->priv) < 0) {
printk(KERN_DEBUG "%s: key setting failed\n",
local->dev->name);
ret = -EINVAL;
goto done;
}
if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
if (!sta_ptr)
local->crypt_info.tx_keyidx = i;
}
if (sta_ptr == NULL && ext->key_len > 0) {
int first = 1, j;
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;
}
done:
if (sta_ptr)
hostap_handle_sta_release(sta_ptr);
local->open_wep = erq->flags & IW_ENCODE_OPEN;
/*
* 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 (ret == 0 &&
(hostap_set_encryption(local) ||
(local->iw_mode != IW_MODE_INFRA &&
local->func->reset_port(local->dev))))
ret = -EINVAL;
return ret;
}
static int prism2_ioctl_giwencodeext(struct net_device *dev,
struct iw_request_info *info,
struct iw_point *erq, char *extra)
{
struct hostap_interface *iface = netdev_priv(dev);
local_info_t *local = iface->local;
struct lib80211_crypt_data **crypt;
void *sta_ptr;
int max_key_len, i;
struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
u8 *addr;
max_key_len = erq->length - sizeof(*ext);
if (max_key_len < 0)
return -EINVAL;
i = erq->flags & IW_ENCODE_INDEX;
if (i < 1 || i > WEP_KEYS)
i = local->crypt_info.tx_keyidx;
else
i--;
addr = ext->addr.sa_data;
if (addr[0] == 0xff && addr[1] == 0xff && addr[2] == 0xff &&
addr[3] == 0xff && addr[4] == 0xff && addr[5] == 0xff) {
sta_ptr = NULL;
crypt = &local->crypt_info.crypt[i];
} else {
i = 0;
sta_ptr = ap_crypt_get_ptrs(local->ap, addr, 0, &crypt);
if (sta_ptr == NULL)
return -EINVAL;
}
erq->flags = i + 1;
memset(ext, 0, sizeof(*ext));
if (*crypt == NULL || (*crypt)->ops == NULL) {
ext->alg = IW_ENCODE_ALG_NONE;
ext->key_len = 0;
erq->flags |= IW_ENCODE_DISABLED;
} else {
if (strcmp((*crypt)->ops->name, "WEP") == 0)
ext->alg = IW_ENCODE_ALG_WEP;
else if (strcmp((*crypt)->ops->name, "TKIP") == 0)
ext->alg = IW_ENCODE_ALG_TKIP;
else if (strcmp((*crypt)->ops->name, "CCMP") == 0)
ext->alg = IW_ENCODE_ALG_CCMP;
else
return -EINVAL;
if ((*crypt)->ops->get_key) {
ext->key_len =
(*crypt)->ops->get_key(ext->key,
max_key_len,
ext->tx_seq,
(*crypt)->priv);
if (ext->key_len &&
(ext->alg == IW_ENCODE_ALG_TKIP ||
ext->alg == IW_ENCODE_ALG_CCMP))
ext->ext_flags |= IW_ENCODE_EXT_TX_SEQ_VALID;
}
}
if (sta_ptr)
hostap_handle_sta_release(sta_ptr);
return 0;
}
static int prism2_ioctl_set_encryption(local_info_t *local,
struct prism2_hostapd_param *param,
int param_len)
{
int ret = 0;
struct lib80211_crypto_ops *ops;
struct lib80211_crypt_data **crypt;
void *sta_ptr;
param->u.crypt.err = 0;
param->u.crypt.alg[HOSTAP_CRYPT_ALG_NAME_LEN - 1] = '\0';
if (param_len !=
(int) ((char *) param->u.crypt.key - (char *) param) +
param->u.crypt.key_len)
return -EINVAL;
if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
if (param->u.crypt.idx >= WEP_KEYS)
return -EINVAL;
sta_ptr = NULL;
crypt = &local->crypt_info.crypt[param->u.crypt.idx];
} else {
if (param->u.crypt.idx)
return -EINVAL;
sta_ptr = ap_crypt_get_ptrs(
local->ap, param->sta_addr,
(param->u.crypt.flags & HOSTAP_CRYPT_FLAG_PERMANENT),
&crypt);
if (sta_ptr == NULL) {
param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
return -EINVAL;
}
}
if (strcmp(param->u.crypt.alg, "none") == 0) {
if (crypt)
lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
goto done;
}
ops = lib80211_get_crypto_ops(param->u.crypt.alg);
if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) {
request_module("lib80211_crypt_wep");
ops = lib80211_get_crypto_ops(param->u.crypt.alg);
} else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) {
request_module("lib80211_crypt_tkip");
ops = lib80211_get_crypto_ops(param->u.crypt.alg);
} else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) {
request_module("lib80211_crypt_ccmp");
ops = lib80211_get_crypto_ops(param->u.crypt.alg);
}
if (ops == NULL) {
printk(KERN_DEBUG "%s: unknown crypto alg '%s'\n",
local->dev->name, param->u.crypt.alg);
param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ALG;
ret = -EINVAL;
goto done;
}
/* station based encryption and other than WEP algorithms require
* host-based encryption, so force them on automatically */
local->host_decrypt = local->host_encrypt = 1;
if (*crypt == NULL || (*crypt)->ops != ops) {
struct lib80211_crypt_data *new_crypt;
lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
new_crypt = kzalloc(sizeof(struct lib80211_crypt_data),
GFP_KERNEL);
if (new_crypt == NULL) {
ret = -ENOMEM;
goto done;
}
new_crypt->ops = ops;
new_crypt->priv = new_crypt->ops->init(param->u.crypt.idx);
if (new_crypt->priv == NULL) {
kfree(new_crypt);
param->u.crypt.err =
HOSTAP_CRYPT_ERR_CRYPT_INIT_FAILED;
ret = -EINVAL;
goto done;
}
*crypt = new_crypt;
}
if ((!(param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) ||
param->u.crypt.key_len > 0) && (*crypt)->ops->set_key &&
(*crypt)->ops->set_key(param->u.crypt.key,
param->u.crypt.key_len, param->u.crypt.seq,
(*crypt)->priv) < 0) {
printk(KERN_DEBUG "%s: key setting failed\n",
local->dev->name);
param->u.crypt.err = HOSTAP_CRYPT_ERR_KEY_SET_FAILED;
ret = -EINVAL;
goto done;
}
if (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) {
if (!sta_ptr)
local->crypt_info.tx_keyidx = param->u.crypt.idx;
else if (param->u.crypt.idx) {
printk(KERN_DEBUG "%s: TX key idx setting failed\n",
local->dev->name);
param->u.crypt.err =
HOSTAP_CRYPT_ERR_TX_KEY_SET_FAILED;
ret = -EINVAL;
goto done;
}
}
done:
if (sta_ptr)
hostap_handle_sta_release(sta_ptr);
/* 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 (ret == 0 &&
(hostap_set_encryption(local) ||
(local->iw_mode != IW_MODE_INFRA &&
local->func->reset_port(local->dev)))) {
param->u.crypt.err = HOSTAP_CRYPT_ERR_CARD_CONF_FAILED;
return -EINVAL;
}
return ret;
}
static int prism2_ioctl_get_encryption(local_info_t *local,
struct prism2_hostapd_param *param,
int param_len)
{
struct lib80211_crypt_data **crypt;
void *sta_ptr;
int max_key_len;
param->u.crypt.err = 0;
max_key_len = param_len -
(int) ((char *) param->u.crypt.key - (char *) param);
if (max_key_len < 0)
return -EINVAL;
if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
sta_ptr = NULL;
if (param->u.crypt.idx >= WEP_KEYS)
param->u.crypt.idx = local->crypt_info.tx_keyidx;
crypt = &local->crypt_info.crypt[param->u.crypt.idx];
} else {
param->u.crypt.idx = 0;
sta_ptr = ap_crypt_get_ptrs(local->ap, param->sta_addr, 0,
&crypt);
if (sta_ptr == NULL) {
param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
return -EINVAL;
}
}
if (*crypt == NULL || (*crypt)->ops == NULL) {
memcpy(param->u.crypt.alg, "none", 5);
param->u.crypt.key_len = 0;
param->u.crypt.idx = 0xff;
} else {
strncpy(param->u.crypt.alg, (*crypt)->ops->name,
HOSTAP_CRYPT_ALG_NAME_LEN);
param->u.crypt.key_len = 0;
memset(param->u.crypt.seq, 0, 8);
if ((*crypt)->ops->get_key) {
param->u.crypt.key_len =
(*crypt)->ops->get_key(param->u.crypt.key,
max_key_len,
param->u.crypt.seq,
(*crypt)->priv);
}
}
if (sta_ptr)
hostap_handle_sta_release(sta_ptr);
return 0;
}
static int prism2_ioctl_get_rid(local_info_t *local,
struct prism2_hostapd_param *param,
int param_len)
{
int max_len, res;
max_len = param_len - PRISM2_HOSTAPD_RID_HDR_LEN;
if (max_len < 0)
return -EINVAL;
res = local->func->get_rid(local->dev, param->u.rid.rid,
param->u.rid.data, param->u.rid.len, 0);
if (res >= 0) {
param->u.rid.len = res;
return 0;
}
return res;
}
static int prism2_ioctl_set_rid(local_info_t *local,
struct prism2_hostapd_param *param,
int param_len)
{
int max_len;
max_len = param_len - PRISM2_HOSTAPD_RID_HDR_LEN;
if (max_len < 0 || max_len < param->u.rid.len)
return -EINVAL;
return local->func->set_rid(local->dev, param->u.rid.rid,
param->u.rid.data, param->u.rid.len);
}
static int prism2_ioctl_set_assoc_ap_addr(local_info_t *local,
struct prism2_hostapd_param *param,
int param_len)
{
printk(KERN_DEBUG "%ssta: associated as client with AP %pM\n",
local->dev->name, param->sta_addr);
memcpy(local->assoc_ap_addr, param->sta_addr, ETH_ALEN);
return 0;
}
static int prism2_ioctl_siwgenie(struct net_device *dev,
struct iw_request_info *info,
struct iw_point *data, char *extra)
{
return prism2_set_genericelement(dev, extra, data->length);
}
static int prism2_ioctl_giwgenie(struct net_device *dev,
struct iw_request_info *info,
struct iw_point *data, char *extra)
{
struct hostap_interface *iface = netdev_priv(dev);
local_info_t *local = iface->local;
int len = local->generic_elem_len - 2;
if (len <= 0 || local->generic_elem == NULL) {
data->length = 0;
return 0;
}
if (data->length < len)
return -E2BIG;
data->length = len;
memcpy(extra, local->generic_elem + 2, len);
return 0;
}
static int prism2_ioctl_set_generic_element(local_info_t *local,
struct prism2_hostapd_param *param,
int param_len)
{
int max_len, len;
len = param->u.generic_elem.len;
max_len = param_len - PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN;
if (max_len < 0 || max_len < len)
return -EINVAL;
return prism2_set_genericelement(local->dev,
param->u.generic_elem.data, len);
}
static int prism2_ioctl_siwmlme(struct net_device *dev,
struct iw_request_info *info,
struct iw_point *data, char *extra)
{
struct hostap_interface *iface = netdev_priv(dev);
local_info_t *local = iface->local;
struct iw_mlme *mlme = (struct iw_mlme *) extra;
__le16 reason;
reason = cpu_to_le16(mlme->reason_code);
switch (mlme->cmd) {
case IW_MLME_DEAUTH:
return prism2_sta_send_mgmt(local, mlme->addr.sa_data,
IEEE80211_STYPE_DEAUTH,
(u8 *) &reason, 2);
case IW_MLME_DISASSOC:
return prism2_sta_send_mgmt(local, mlme->addr.sa_data,
IEEE80211_STYPE_DISASSOC,
(u8 *) &reason, 2);
default:
return -EOPNOTSUPP;
}
}
static int prism2_ioctl_mlme(local_info_t *local,
struct prism2_hostapd_param *param)
{
__le16 reason;
reason = cpu_to_le16(param->u.mlme.reason_code);
switch (param->u.mlme.cmd) {
case MLME_STA_DEAUTH:
return prism2_sta_send_mgmt(local, param->sta_addr,
IEEE80211_STYPE_DEAUTH,
(u8 *) &reason, 2);
case MLME_STA_DISASSOC:
return prism2_sta_send_mgmt(local, param->sta_addr,
IEEE80211_STYPE_DISASSOC,
(u8 *) &reason, 2);
default:
return -EOPNOTSUPP;
}
}
static int prism2_ioctl_scan_req(local_info_t *local,
struct prism2_hostapd_param *param)
{
#ifndef PRISM2_NO_STATION_MODES
if ((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->dev_enabled)
return -ENETDOWN;
return prism2_request_hostscan(local->dev, param->u.scan_req.ssid,
param->u.scan_req.ssid_len);
#else /* PRISM2_NO_STATION_MODES */
return -EOPNOTSUPP;
#endif /* PRISM2_NO_STATION_MODES */
}
static int prism2_ioctl_priv_hostapd(local_info_t *local, struct iw_point *p)
{
struct prism2_hostapd_param *param;
int ret = 0;
int ap_ioctl = 0;
if (p->length < sizeof(struct prism2_hostapd_param) ||
p->length > PRISM2_HOSTAPD_MAX_BUF_SIZE || !p->pointer)
return -EINVAL;
param = kmalloc(p->length, GFP_KERNEL);
if (param == NULL)
return -ENOMEM;
if (copy_from_user(param, p->pointer, p->length)) {
ret = -EFAULT;
goto out;
}
switch (param->cmd) {
case PRISM2_SET_ENCRYPTION:
ret = prism2_ioctl_set_encryption(local, param, p->length);
break;
case PRISM2_GET_ENCRYPTION:
ret = prism2_ioctl_get_encryption(local, param, p->length);
break;
case PRISM2_HOSTAPD_GET_RID:
ret = prism2_ioctl_get_rid(local, param, p->length);
break;
case PRISM2_HOSTAPD_SET_RID:
ret = prism2_ioctl_set_rid(local, param, p->length);
break;
case PRISM2_HOSTAPD_SET_ASSOC_AP_ADDR:
ret = prism2_ioctl_set_assoc_ap_addr(local, param, p->length);
break;
case PRISM2_HOSTAPD_SET_GENERIC_ELEMENT:
ret = prism2_ioctl_set_generic_element(local, param,
p->length);
break;
case PRISM2_HOSTAPD_MLME:
ret = prism2_ioctl_mlme(local, param);
break;
case PRISM2_HOSTAPD_SCAN_REQ:
ret = prism2_ioctl_scan_req(local, param);
break;
default:
ret = prism2_hostapd(local->ap, param);
ap_ioctl = 1;
break;
}
if (ret == 1 || !ap_ioctl) {
if (copy_to_user(p->pointer, param, p->length)) {
ret = -EFAULT;
goto out;
} else if (ap_ioctl)
ret = 0;
}
out:
kfree(param);
return ret;
}
static void prism2_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *info)
{
struct hostap_interface *iface;
local_info_t *local;
iface = netdev_priv(dev);
local = iface->local;
strncpy(info->driver, "hostap", sizeof(info->driver) - 1);
snprintf(info->fw_version, sizeof(info->fw_version) - 1,
"%d.%d.%d", (local->sta_fw_ver >> 16) & 0xff,
(local->sta_fw_ver >> 8) & 0xff,
local->sta_fw_ver & 0xff);
}
const struct ethtool_ops prism2_ethtool_ops = {
.get_drvinfo = prism2_get_drvinfo
};
/* Structures to export the Wireless Handlers */
static const iw_handler prism2_handler[] =
{
(iw_handler) NULL, /* SIOCSIWCOMMIT */
(iw_handler) prism2_get_name, /* SIOCGIWNAME */
(iw_handler) NULL, /* SIOCSIWNWID */
(iw_handler) NULL, /* SIOCGIWNWID */
(iw_handler) prism2_ioctl_siwfreq, /* SIOCSIWFREQ */
(iw_handler) prism2_ioctl_giwfreq, /* SIOCGIWFREQ */
(iw_handler) prism2_ioctl_siwmode, /* SIOCSIWMODE */
(iw_handler) prism2_ioctl_giwmode, /* SIOCGIWMODE */
(iw_handler) prism2_ioctl_siwsens, /* SIOCSIWSENS */
(iw_handler) prism2_ioctl_giwsens, /* SIOCGIWSENS */
(iw_handler) NULL /* not used */, /* SIOCSIWRANGE */
(iw_handler) prism2_ioctl_giwrange, /* SIOCGIWRANGE */
(iw_handler) NULL /* not used */, /* SIOCSIWPRIV */
(iw_handler) NULL /* kernel code */, /* SIOCGIWPRIV */
(iw_handler) NULL /* not used */, /* SIOCSIWSTATS */
(iw_handler) NULL /* kernel code */, /* SIOCGIWSTATS */
iw_handler_set_spy, /* SIOCSIWSPY */
iw_handler_get_spy, /* SIOCGIWSPY */
iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
(iw_handler) prism2_ioctl_siwap, /* SIOCSIWAP */
(iw_handler) prism2_ioctl_giwap, /* SIOCGIWAP */
(iw_handler) prism2_ioctl_siwmlme, /* SIOCSIWMLME */
(iw_handler) prism2_ioctl_giwaplist, /* SIOCGIWAPLIST */
(iw_handler) prism2_ioctl_siwscan, /* SIOCSIWSCAN */
(iw_handler) prism2_ioctl_giwscan, /* SIOCGIWSCAN */
(iw_handler) prism2_ioctl_siwessid, /* SIOCSIWESSID */
(iw_handler) prism2_ioctl_giwessid, /* SIOCGIWESSID */
(iw_handler) prism2_ioctl_siwnickn, /* SIOCSIWNICKN */
(iw_handler) prism2_ioctl_giwnickn, /* SIOCGIWNICKN */
(iw_handler) NULL, /* -- hole -- */
(iw_handler) NULL, /* -- hole -- */
(iw_handler) prism2_ioctl_siwrate, /* SIOCSIWRATE */
(iw_handler) prism2_ioctl_giwrate, /* SIOCGIWRATE */
(iw_handler) prism2_ioctl_siwrts, /* SIOCSIWRTS */
(iw_handler) prism2_ioctl_giwrts, /* SIOCGIWRTS */
(iw_handler) prism2_ioctl_siwfrag, /* SIOCSIWFRAG */
(iw_handler) prism2_ioctl_giwfrag, /* SIOCGIWFRAG */
(iw_handler) prism2_ioctl_siwtxpow, /* SIOCSIWTXPOW */
(iw_handler) prism2_ioctl_giwtxpow, /* SIOCGIWTXPOW */
(iw_handler) prism2_ioctl_siwretry, /* SIOCSIWRETRY */
(iw_handler) prism2_ioctl_giwretry, /* SIOCGIWRETRY */
(iw_handler) prism2_ioctl_siwencode, /* SIOCSIWENCODE */
(iw_handler) prism2_ioctl_giwencode, /* SIOCGIWENCODE */
(iw_handler) prism2_ioctl_siwpower, /* SIOCSIWPOWER */
(iw_handler) prism2_ioctl_giwpower, /* SIOCGIWPOWER */
(iw_handler) NULL, /* -- hole -- */
(iw_handler) NULL, /* -- hole -- */
(iw_handler) prism2_ioctl_siwgenie, /* SIOCSIWGENIE */
(iw_handler) prism2_ioctl_giwgenie, /* SIOCGIWGENIE */
(iw_handler) prism2_ioctl_siwauth, /* SIOCSIWAUTH */
(iw_handler) prism2_ioctl_giwauth, /* SIOCGIWAUTH */
(iw_handler) prism2_ioctl_siwencodeext, /* SIOCSIWENCODEEXT */
(iw_handler) prism2_ioctl_giwencodeext, /* SIOCGIWENCODEEXT */
(iw_handler) NULL, /* SIOCSIWPMKSA */
(iw_handler) NULL, /* -- hole -- */
};
static const iw_handler prism2_private_handler[] =
{ /* SIOCIWFIRSTPRIV + */
(iw_handler) prism2_ioctl_priv_prism2_param, /* 0 */
(iw_handler) prism2_ioctl_priv_get_prism2_param, /* 1 */
(iw_handler) prism2_ioctl_priv_writemif, /* 2 */
(iw_handler) prism2_ioctl_priv_readmif, /* 3 */
};
const struct iw_handler_def hostap_iw_handler_def =
{
.num_standard = ARRAY_SIZE(prism2_handler),
.num_private = ARRAY_SIZE(prism2_private_handler),
.num_private_args = ARRAY_SIZE(prism2_priv),
.standard = (iw_handler *) prism2_handler,
.private = (iw_handler *) prism2_private_handler,
.private_args = (struct iw_priv_args *) prism2_priv,
.get_wireless_stats = hostap_get_wireless_stats,
};
int hostap_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
struct iwreq *wrq = (struct iwreq *) ifr;
struct hostap_interface *iface;
local_info_t *local;
int ret = 0;
iface = netdev_priv(dev);
local = iface->local;
switch (cmd) {
/* Private ioctls (iwpriv) that have not yet been converted
* into new wireless extensions API */
case PRISM2_IOCTL_INQUIRE:
if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
else ret = prism2_ioctl_priv_inquire(dev, (int *) wrq->u.name);
break;
case PRISM2_IOCTL_MONITOR:
if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
else ret = prism2_ioctl_priv_monitor(dev, (int *) wrq->u.name);
break;
case PRISM2_IOCTL_RESET:
if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
else ret = prism2_ioctl_priv_reset(dev, (int *) wrq->u.name);
break;
case PRISM2_IOCTL_WDS_ADD:
if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
else ret = prism2_wds_add(local, wrq->u.ap_addr.sa_data, 1);
break;
case PRISM2_IOCTL_WDS_DEL:
if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
else ret = prism2_wds_del(local, wrq->u.ap_addr.sa_data, 1, 0);
break;
case PRISM2_IOCTL_SET_RID_WORD:
if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
else ret = prism2_ioctl_priv_set_rid_word(dev,
(int *) wrq->u.name);
break;
#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT
case PRISM2_IOCTL_MACCMD:
if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
else ret = ap_mac_cmd_ioctl(local, (int *) wrq->u.name);
break;
case PRISM2_IOCTL_ADDMAC:
if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
else ret = ap_control_add_mac(&local->ap->mac_restrictions,
wrq->u.ap_addr.sa_data);
break;
case PRISM2_IOCTL_DELMAC:
if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
else ret = ap_control_del_mac(&local->ap->mac_restrictions,
wrq->u.ap_addr.sa_data);
break;
case PRISM2_IOCTL_KICKMAC:
if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
else ret = ap_control_kick_mac(local->ap, local->dev,
wrq->u.ap_addr.sa_data);
break;
#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
/* Private ioctls that are not used with iwpriv;
* in SIOCDEVPRIVATE range */
#ifdef PRISM2_DOWNLOAD_SUPPORT
case PRISM2_IOCTL_DOWNLOAD:
if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
else ret = prism2_ioctl_priv_download(local, &wrq->u.data);
break;
#endif /* PRISM2_DOWNLOAD_SUPPORT */
case PRISM2_IOCTL_HOSTAPD:
if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
else ret = prism2_ioctl_priv_hostapd(local, &wrq->u.data);
break;
default:
ret = -EOPNOTSUPP;
break;
}
return ret;
}
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