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alistair23-linux/drivers/staging/rtl8192e/rtllib_wx.c
Sean MacLennan 3b28499c55 rtl8192e: Export symbols 
The rtl8192e driver had a natural split between the more generic
rtllib code and the more specific rtl8192e code. This patch exports
all the symbols needed by the r8192 specific code from the rtllib
generic code.

Signed-off-by: Sean MacLennan <seanm@seanm.ca>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-11-30 19:45:26 +09:00

881 lines
23 KiB
C
Raw Blame History

/******************************************************************************
Copyright(c) 2004 Intel Corporation. All rights reserved.
Portions of this file are based on the WEP enablement code provided by the
Host AP project hostap-drivers v0.1.3
Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
<jkmaline@cc.hut.fi>
Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
This program is free software; you can redistribute it and/or modify it
under the terms of version 2 of the GNU General Public License as
published by the Free Software Foundation.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59
Temple Place - Suite 330, Boston, MA 02111-1307, USA.
The full GNU General Public License is included in this distribution in the
file called LICENSE.
Contact Information:
James P. Ketrenos <ipw2100-admin@linux.intel.com>
Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
******************************************************************************/
#include <linux/wireless.h>
#include <linux/version.h>
#include <linux/kmod.h>
#include <linux/module.h>
#include "rtllib.h"
struct modes_unit {
char *mode_string;
int mode_size;
};
static struct modes_unit rtllib_modes[] = {
{"a", 1},
{"b", 1},
{"g", 1},
{"?", 1},
{"N-24G", 5},
{"N-5G", 4},
};
#define MAX_CUSTOM_LEN 64
static inline char *rtl819x_translate_scan(struct rtllib_device *ieee,
char *start, char *stop,
struct rtllib_network *network,
struct iw_request_info *info)
{
char custom[MAX_CUSTOM_LEN];
char proto_name[IFNAMSIZ];
char *pname = proto_name;
char *p;
struct iw_event iwe;
int i, j;
u16 max_rate, rate;
static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};
/* First entry *MUST* be the AP MAC address */
iwe.cmd = SIOCGIWAP;
iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
memcpy(iwe.u.ap_addr.sa_data, network->bssid, ETH_ALEN);
start = iwe_stream_add_event_rsl(info, start, stop,
&iwe, IW_EV_ADDR_LEN);
/* Remaining entries will be displayed in the order we provide them */
/* Add the ESSID */
iwe.cmd = SIOCGIWESSID;
iwe.u.data.flags = 1;
if (network->ssid_len > 0) {
iwe.u.data.length = min(network->ssid_len, (u8)32);
start = iwe_stream_add_point_rsl(info, start, stop, &iwe,
network->ssid);
} else if (network->hidden_ssid_len == 0) {
iwe.u.data.length = sizeof("<hidden>");
start = iwe_stream_add_point_rsl(info, start, stop,
&iwe, "<hidden>");
} else {
iwe.u.data.length = min(network->hidden_ssid_len, (u8)32);
start = iwe_stream_add_point_rsl(info, start, stop, &iwe,
network->hidden_ssid);
}
/* Add the protocol name */
iwe.cmd = SIOCGIWNAME;
for (i = 0; i < (sizeof(rtllib_modes)/sizeof(rtllib_modes[0])); i++) {
if (network->mode&(1<<i)) {
sprintf(pname, rtllib_modes[i].mode_string,
rtllib_modes[i].mode_size);
pname += rtllib_modes[i].mode_size;
}
}
*pname = '\0';
snprintf(iwe.u.name, IFNAMSIZ, "IEEE802.11%s", proto_name);
start = iwe_stream_add_event_rsl(info, start, stop,
&iwe, IW_EV_CHAR_LEN);
/* Add mode */
iwe.cmd = SIOCGIWMODE;
if (network->capability &
(WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)) {
if (network->capability & WLAN_CAPABILITY_ESS)
iwe.u.mode = IW_MODE_MASTER;
else
iwe.u.mode = IW_MODE_ADHOC;
start = iwe_stream_add_event_rsl(info, start, stop,
&iwe, IW_EV_UINT_LEN);
}
/* Add frequency/channel */
iwe.cmd = SIOCGIWFREQ;
/* iwe.u.freq.m = rtllib_frequency(network->channel, network->mode);
iwe.u.freq.e = 3; */
iwe.u.freq.m = network->channel;
iwe.u.freq.e = 0;
iwe.u.freq.i = 0;
start = iwe_stream_add_event_rsl(info, start, stop, &iwe,
IW_EV_FREQ_LEN);
/* Add encryption capability */
iwe.cmd = SIOCGIWENCODE;
if (network->capability & 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;
start = iwe_stream_add_point_rsl(info, start, stop,
&iwe, network->ssid);
/* Add basic and extended rates */
max_rate = 0;
p = custom;
p += snprintf(p, MAX_CUSTOM_LEN - (p - custom), " Rates (Mb/s): ");
for (i = 0, j = 0; i < network->rates_len;) {
if (j < network->rates_ex_len &&
((network->rates_ex[j] & 0x7F) <
(network->rates[i] & 0x7F)))
rate = network->rates_ex[j++] & 0x7F;
else
rate = network->rates[i++] & 0x7F;
if (rate > max_rate)
max_rate = rate;
p += snprintf(p, MAX_CUSTOM_LEN - (p - custom),
"%d%s ", rate >> 1, (rate & 1) ? ".5" : "");
}
for (; j < network->rates_ex_len; j++) {
rate = network->rates_ex[j] & 0x7F;
p += snprintf(p, MAX_CUSTOM_LEN - (p - custom),
"%d%s ", rate >> 1, (rate & 1) ? ".5" : "");
if (rate > max_rate)
max_rate = rate;
}
if (network->mode >= IEEE_N_24G) {
struct ht_capab_ele *ht_cap = NULL;
bool is40M = false, isShortGI = false;
u8 max_mcs = 0;
if (!memcmp(network->bssht.bdHTCapBuf, EWC11NHTCap, 4))
ht_cap = (struct ht_capab_ele *)
&network->bssht.bdHTCapBuf[4];
else
ht_cap = (struct ht_capab_ele *)
&network->bssht.bdHTCapBuf[0];
is40M = (ht_cap->ChlWidth) ? 1 : 0;
isShortGI = (ht_cap->ChlWidth) ?
((ht_cap->ShortGI40Mhz) ? 1 : 0) :
((ht_cap->ShortGI20Mhz) ? 1 : 0);
max_mcs = HTGetHighestMCSRate(ieee, ht_cap->MCS,
MCS_FILTER_ALL);
rate = MCS_DATA_RATE[is40M][isShortGI][max_mcs & 0x7f];
if (rate > max_rate)
max_rate = rate;
}
iwe.cmd = SIOCGIWRATE;
iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
iwe.u.bitrate.value = max_rate * 500000;
start = iwe_stream_add_event_rsl(info, start, stop, &iwe,
IW_EV_PARAM_LEN);
iwe.cmd = IWEVCUSTOM;
iwe.u.data.length = p - custom;
if (iwe.u.data.length)
start = iwe_stream_add_point_rsl(info, start, stop,
&iwe, custom);
/* Add quality statistics */
/* TODO: Fix these values... */
iwe.cmd = IWEVQUAL;
iwe.u.qual.qual = network->stats.signal;
iwe.u.qual.level = network->stats.rssi;
iwe.u.qual.noise = network->stats.noise;
iwe.u.qual.updated = network->stats.mask & RTLLIB_STATMASK_WEMASK;
if (!(network->stats.mask & RTLLIB_STATMASK_RSSI))
iwe.u.qual.updated |= IW_QUAL_LEVEL_INVALID;
if (!(network->stats.mask & RTLLIB_STATMASK_NOISE))
iwe.u.qual.updated |= IW_QUAL_NOISE_INVALID;
if (!(network->stats.mask & RTLLIB_STATMASK_SIGNAL))
iwe.u.qual.updated |= IW_QUAL_QUAL_INVALID;
iwe.u.qual.updated = 7;
start = iwe_stream_add_event_rsl(info, start, stop, &iwe,
IW_EV_QUAL_LEN);
iwe.cmd = IWEVCUSTOM;
p = custom;
iwe.u.data.length = p - custom;
if (iwe.u.data.length)
start = iwe_stream_add_point_rsl(info, start, stop,
&iwe, custom);
memset(&iwe, 0, sizeof(iwe));
if (network->wpa_ie_len) {
char buf[MAX_WPA_IE_LEN];
memcpy(buf, network->wpa_ie, network->wpa_ie_len);
iwe.cmd = IWEVGENIE;
iwe.u.data.length = network->wpa_ie_len;
start = iwe_stream_add_point_rsl(info, start, stop, &iwe, buf);
}
memset(&iwe, 0, sizeof(iwe));
if (network->rsn_ie_len) {
char buf[MAX_WPA_IE_LEN];
memcpy(buf, network->rsn_ie, network->rsn_ie_len);
iwe.cmd = IWEVGENIE;
iwe.u.data.length = network->rsn_ie_len;
start = iwe_stream_add_point_rsl(info, start, stop, &iwe, buf);
}
/* add info for WZC */
memset(&iwe, 0, sizeof(iwe));
if (network->wzc_ie_len) {
char buf[MAX_WZC_IE_LEN];
memcpy(buf, network->wzc_ie, network->wzc_ie_len);
iwe.cmd = IWEVGENIE;
iwe.u.data.length = network->wzc_ie_len;
start = iwe_stream_add_point_rsl(info, start, stop, &iwe, buf);
}
/* Add EXTRA: Age to display seconds since last beacon/probe response
* for given network. */
iwe.cmd = IWEVCUSTOM;
p = custom;
p += snprintf(p, MAX_CUSTOM_LEN - (p - custom),
" Last beacon: %lums ago",
(jiffies - network->last_scanned) / (HZ / 100));
iwe.u.data.length = p - custom;
if (iwe.u.data.length)
start = iwe_stream_add_point_rsl(info, start, stop,
&iwe, custom);
return start;
}
int rtllib_wx_get_scan(struct rtllib_device *ieee,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct rtllib_network *network;
unsigned long flags;
char *ev = extra;
char *stop = ev + wrqu->data.length;
int i = 0;
int err = 0;
RTLLIB_DEBUG_WX("Getting scan\n");
down(&ieee->wx_sem);
spin_lock_irqsave(&ieee->lock, flags);
list_for_each_entry(network, &ieee->network_list, list) {
i++;
if ((stop - ev) < 200) {
err = -E2BIG;
break;
}
if (ieee->scan_age == 0 ||
time_after(network->last_scanned + ieee->scan_age, jiffies))
ev = rtl819x_translate_scan(ieee, ev, stop, network,
info);
else
RTLLIB_DEBUG_SCAN("Not showing network '%s ("
" %pM)' due to age (%lums).\n",
escape_essid(network->ssid,
network->ssid_len),
network->bssid,
(jiffies - network->last_scanned) / (HZ / 100));
}
spin_unlock_irqrestore(&ieee->lock, flags);
up(&ieee->wx_sem);
wrqu->data.length = ev - extra;
wrqu->data.flags = 0;
RTLLIB_DEBUG_WX("exit: %d networks returned.\n", i);
return err;
}
EXPORT_SYMBOL(rtllib_wx_get_scan);
int rtllib_wx_set_encode(struct rtllib_device *ieee,
struct iw_request_info *info,
union iwreq_data *wrqu, char *keybuf)
{
struct iw_point *erq = &(wrqu->encoding);
struct net_device *dev = ieee->dev;
struct rtllib_security sec = {
.flags = 0
};
int i, key, key_provided, len;
struct rtllib_crypt_data **crypt;
RTLLIB_DEBUG_WX("SET_ENCODE\n");
key = erq->flags & IW_ENCODE_INDEX;
if (key) {
if (key > WEP_KEYS)
return -EINVAL;
key--;
key_provided = 1;
} else {
key_provided = 0;
key = ieee->tx_keyidx;
}
RTLLIB_DEBUG_WX("Key: %d [%s]\n", key, key_provided ?
"provided" : "default");
crypt = &ieee->crypt[key];
if (erq->flags & IW_ENCODE_DISABLED) {
if (key_provided && *crypt) {
RTLLIB_DEBUG_WX("Disabling encryption on key %d.\n",
key);
rtllib_crypt_delayed_deinit(ieee, crypt);
} else
RTLLIB_DEBUG_WX("Disabling encryption.\n");
/* Check all the keys to see if any are still configured,
* and if no key index was provided, de-init them all */
for (i = 0; i < WEP_KEYS; i++) {
if (ieee->crypt[i] != NULL) {
if (key_provided)
break;
rtllib_crypt_delayed_deinit(ieee,
&ieee->crypt[i]);
}
}
if (i == WEP_KEYS) {
sec.enabled = 0;
sec.level = SEC_LEVEL_0;
sec.flags |= SEC_ENABLED | SEC_LEVEL;
}
goto done;
}
sec.enabled = 1;
sec.flags |= SEC_ENABLED;
if (*crypt != NULL && (*crypt)->ops != NULL &&
strcmp((*crypt)->ops->name, "WEP") != 0) {
/* changing to use WEP; deinit previously used algorithm
* on this key */
rtllib_crypt_delayed_deinit(ieee, crypt);
}
if (*crypt == NULL) {
struct rtllib_crypt_data *new_crypt;
/* take WEP into use */
new_crypt = kzalloc(sizeof(struct rtllib_crypt_data),
GFP_KERNEL);
if (new_crypt == NULL)
return -ENOMEM;
new_crypt->ops = rtllib_get_crypto_ops("WEP");
if (!new_crypt->ops) {
request_module("rtllib_crypt_wep");
new_crypt->ops = rtllib_get_crypto_ops("WEP");
}
if (new_crypt->ops)
new_crypt->priv = new_crypt->ops->init(key);
if (!new_crypt->ops || !new_crypt->priv) {
kfree(new_crypt);
new_crypt = NULL;
printk(KERN_WARNING "%s: could not initialize WEP: "
"load module rtllib_crypt_wep\n",
dev->name);
return -EOPNOTSUPP;
}
*crypt = new_crypt;
}
/* If a new key was provided, set it up */
if (erq->length > 0) {
len = erq->length <= 5 ? 5 : 13;
memcpy(sec.keys[key], keybuf, erq->length);
if (len > erq->length)
memset(sec.keys[key] + erq->length, 0,
len - erq->length);
RTLLIB_DEBUG_WX("Setting key %d to '%s' (%d:%d bytes)\n",
key, escape_essid(sec.keys[key], len),
erq->length, len);
sec.key_sizes[key] = len;
(*crypt)->ops->set_key(sec.keys[key], len, NULL,
(*crypt)->priv);
sec.flags |= (1 << key);
/* This ensures a key will be activated if no key is
* explicitely set */
if (key == sec.active_key)
sec.flags |= SEC_ACTIVE_KEY;
ieee->tx_keyidx = key;
} else {
len = (*crypt)->ops->get_key(sec.keys[key], WEP_KEY_LEN,
NULL, (*crypt)->priv);
if (len == 0) {
/* Set a default key of all 0 */
printk(KERN_INFO "Setting key %d to all zero.\n",
key);
RTLLIB_DEBUG_WX("Setting key %d to all zero.\n",
key);
memset(sec.keys[key], 0, 13);
(*crypt)->ops->set_key(sec.keys[key], 13, NULL,
(*crypt)->priv);
sec.key_sizes[key] = 13;
sec.flags |= (1 << key);
}
/* No key data - just set the default TX key index */
if (key_provided) {
RTLLIB_DEBUG_WX(
"Setting key %d to default Tx key.\n", key);
ieee->tx_keyidx = key;
sec.active_key = key;
sec.flags |= SEC_ACTIVE_KEY;
}
}
done:
ieee->open_wep = !(erq->flags & IW_ENCODE_RESTRICTED);
ieee->auth_mode = ieee->open_wep ? WLAN_AUTH_OPEN :
WLAN_AUTH_SHARED_KEY;
sec.auth_mode = ieee->open_wep ? WLAN_AUTH_OPEN : WLAN_AUTH_SHARED_KEY;
sec.flags |= SEC_AUTH_MODE;
RTLLIB_DEBUG_WX("Auth: %s\n", sec.auth_mode == WLAN_AUTH_OPEN ?
"OPEN" : "SHARED KEY");
/* For now we just support WEP, so only set that security level...
* TODO: When WPA is added this is one place that needs to change */
sec.flags |= SEC_LEVEL;
sec.level = SEC_LEVEL_1; /* 40 and 104 bit WEP */
if (ieee->set_security)
ieee->set_security(dev, &sec);
/* Do not reset port 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. If your hardware requires a reset after WEP
* configuration (for example... Prism2), implement the reset_port in
* the callbacks structures used to initialize the 802.11 stack. */
if (ieee->reset_on_keychange &&
ieee->iw_mode != IW_MODE_INFRA &&
ieee->reset_port && ieee->reset_port(dev)) {
printk(KERN_DEBUG "%s: reset_port failed\n", dev->name);
return -EINVAL;
}
return 0;
}
EXPORT_SYMBOL(rtllib_wx_set_encode);
int rtllib_wx_get_encode(struct rtllib_device *ieee,
struct iw_request_info *info,
union iwreq_data *wrqu, char *keybuf)
{
struct iw_point *erq = &(wrqu->encoding);
int len, key;
struct rtllib_crypt_data *crypt;
RTLLIB_DEBUG_WX("GET_ENCODE\n");
if (ieee->iw_mode == IW_MODE_MONITOR)
return -1;
key = erq->flags & IW_ENCODE_INDEX;
if (key) {
if (key > WEP_KEYS)
return -EINVAL;
key--;
} else {
key = ieee->tx_keyidx;
}
crypt = ieee->crypt[key];
erq->flags = key + 1;
if (crypt == NULL || crypt->ops == NULL) {
erq->length = 0;
erq->flags |= IW_ENCODE_DISABLED;
return 0;
}
len = crypt->ops->get_key(keybuf, SCM_KEY_LEN, NULL, crypt->priv);
erq->length = (len >= 0 ? len : 0);
erq->flags |= IW_ENCODE_ENABLED;
if (ieee->open_wep)
erq->flags |= IW_ENCODE_OPEN;
else
erq->flags |= IW_ENCODE_RESTRICTED;
return 0;
}
EXPORT_SYMBOL(rtllib_wx_get_encode);
int rtllib_wx_set_encode_ext(struct rtllib_device *ieee,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
int ret = 0;
struct net_device *dev = ieee->dev;
struct iw_point *encoding = &wrqu->encoding;
struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
int i, idx;
int group_key = 0;
const char *alg, *module;
struct rtllib_crypto_ops *ops;
struct rtllib_crypt_data **crypt;
struct rtllib_security sec = {
.flags = 0,
};
idx = encoding->flags & IW_ENCODE_INDEX;
if (idx) {
if (idx < 1 || idx > WEP_KEYS)
return -EINVAL;
idx--;
} else{
idx = ieee->tx_keyidx;
}
if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
crypt = &ieee->crypt[idx];
group_key = 1;
} else {
/* some Cisco APs use idx>0 for unicast in dynamic WEP */
if (idx != 0 && ext->alg != IW_ENCODE_ALG_WEP)
return -EINVAL;
if (ieee->iw_mode == IW_MODE_INFRA)
crypt = &ieee->crypt[idx];
else
return -EINVAL;
}
sec.flags |= SEC_ENABLED;
if ((encoding->flags & IW_ENCODE_DISABLED) ||
ext->alg == IW_ENCODE_ALG_NONE) {
if (*crypt)
rtllib_crypt_delayed_deinit(ieee, crypt);
for (i = 0; i < WEP_KEYS; i++) {
if (ieee->crypt[i] != NULL)
break;
}
if (i == WEP_KEYS) {
sec.enabled = 0;
sec.level = SEC_LEVEL_0;
sec.flags |= SEC_LEVEL;
}
goto done;
}
sec.enabled = 1;
switch (ext->alg) {
case IW_ENCODE_ALG_WEP:
alg = "WEP";
module = "rtllib_crypt_wep";
break;
case IW_ENCODE_ALG_TKIP:
alg = "TKIP";
module = "rtllib_crypt_tkip";
break;
case IW_ENCODE_ALG_CCMP:
alg = "CCMP";
module = "rtllib_crypt_ccmp";
break;
default:
RTLLIB_DEBUG_WX("%s: unknown crypto alg %d\n",
dev->name, ext->alg);
ret = -EINVAL;
goto done;
}
printk(KERN_INFO "alg name:%s\n", alg);
ops = rtllib_get_crypto_ops(alg);
if (ops == NULL) {
char tempbuf[100];
memset(tempbuf, 0x00, 100);
sprintf(tempbuf, "%s", module);
request_module("%s", tempbuf);
ops = rtllib_get_crypto_ops(alg);
}
if (ops == NULL) {
RTLLIB_DEBUG_WX("%s: unknown crypto alg %d\n",
dev->name, ext->alg);
printk(KERN_INFO "========>unknown crypto alg %d\n", ext->alg);
ret = -EINVAL;
goto done;
}
if (*crypt == NULL || (*crypt)->ops != ops) {
struct rtllib_crypt_data *new_crypt;
rtllib_crypt_delayed_deinit(ieee, crypt);
new_crypt = kzalloc(sizeof(*new_crypt), GFP_KERNEL);
if (new_crypt == NULL) {
ret = -ENOMEM;
goto done;
}
new_crypt->ops = ops;
if (new_crypt->ops)
new_crypt->priv = new_crypt->ops->init(idx);
if (new_crypt->priv == NULL) {
kfree(new_crypt);
ret = -EINVAL;
goto done;
}
*crypt = new_crypt;
}
if (ext->key_len > 0 && (*crypt)->ops->set_key &&
(*crypt)->ops->set_key(ext->key, ext->key_len, ext->rx_seq,
(*crypt)->priv) < 0) {
RTLLIB_DEBUG_WX("%s: key setting failed\n", dev->name);
printk(KERN_INFO "key setting failed\n");
ret = -EINVAL;
goto done;
}
if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
ieee->tx_keyidx = idx;
sec.active_key = idx;
sec.flags |= SEC_ACTIVE_KEY;
}
if (ext->alg != IW_ENCODE_ALG_NONE) {
sec.key_sizes[idx] = ext->key_len;
sec.flags |= (1 << idx);
if (ext->alg == IW_ENCODE_ALG_WEP) {
sec.flags |= SEC_LEVEL;
sec.level = SEC_LEVEL_1;
} else if (ext->alg == IW_ENCODE_ALG_TKIP) {
sec.flags |= SEC_LEVEL;
sec.level = SEC_LEVEL_2;
} else if (ext->alg == IW_ENCODE_ALG_CCMP) {
sec.flags |= SEC_LEVEL;
sec.level = SEC_LEVEL_3;
}
/* Don't set sec level for group keys. */
if (group_key)
sec.flags &= ~SEC_LEVEL;
}
done:
if (ieee->set_security)
ieee->set_security(ieee->dev, &sec);
if (ieee->reset_on_keychange &&
ieee->iw_mode != IW_MODE_INFRA &&
ieee->reset_port && ieee->reset_port(dev)) {
RTLLIB_DEBUG_WX("%s: reset_port failed\n", dev->name);
return -EINVAL;
}
return ret;
}
EXPORT_SYMBOL(rtllib_wx_set_encode_ext);
int rtllib_wx_get_encode_ext(struct rtllib_device *ieee,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct iw_point *encoding = &wrqu->encoding;
struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
struct rtllib_crypt_data *crypt;
int idx, max_key_len;
max_key_len = encoding->length - sizeof(*ext);
if (max_key_len < 0)
return -EINVAL;
idx = encoding->flags & IW_ENCODE_INDEX;
if (idx) {
if (idx < 1 || idx > WEP_KEYS)
return -EINVAL;
idx--;
} else {
idx = ieee->tx_keyidx;
}
if (!(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) &&
(ext->alg != IW_ENCODE_ALG_WEP))
if (idx != 0 || (ieee->iw_mode != IW_MODE_INFRA))
return -EINVAL;
crypt = ieee->crypt[idx];
encoding->flags = idx + 1;
memset(ext, 0, sizeof(*ext));
if (crypt == NULL || crypt->ops == NULL) {
ext->alg = IW_ENCODE_ALG_NONE;
ext->key_len = 0;
encoding->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"))
ext->alg = IW_ENCODE_ALG_TKIP;
else if (strcmp(crypt->ops->name, "CCMP"))
ext->alg = IW_ENCODE_ALG_CCMP;
else
return -EINVAL;
ext->key_len = crypt->ops->get_key(ext->key, SCM_KEY_LEN,
NULL, crypt->priv);
encoding->flags |= IW_ENCODE_ENABLED;
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;
}
return 0;
}
int rtllib_wx_set_mlme(struct rtllib_device *ieee,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
u8 i = 0;
bool deauth = false;
struct iw_mlme *mlme = (struct iw_mlme *) extra;
if (ieee->state != RTLLIB_LINKED)
return -ENOLINK;
down(&ieee->wx_sem);
switch (mlme->cmd) {
case IW_MLME_DEAUTH:
deauth = true;
/* leave break out intentionly */
case IW_MLME_DISASSOC:
if (deauth == true)
printk(KERN_INFO "disauth packet !\n");
else
printk(KERN_INFO "dis associate packet!\n");
ieee->cannot_notify = true;
SendDisassociation(ieee, deauth, mlme->reason_code);
rtllib_disassociate(ieee);
ieee->wap_set = 0;
for (i = 0; i < 6; i++)
ieee->current_network.bssid[i] = 0x55;
ieee->ssid_set = 0;
ieee->current_network.ssid[0] = '\0';
ieee->current_network.ssid_len = 0;
break;
default:
up(&ieee->wx_sem);
return -EOPNOTSUPP;
}
up(&ieee->wx_sem);
return 0;
}
EXPORT_SYMBOL(rtllib_wx_set_mlme);
int rtllib_wx_set_auth(struct rtllib_device *ieee,
struct iw_request_info *info,
struct iw_param *data, char *extra)
{
switch (data->flags & IW_AUTH_INDEX) {
case IW_AUTH_WPA_VERSION:
break;
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:
ieee->tkip_countermeasures = data->value;
break;
case IW_AUTH_DROP_UNENCRYPTED:
ieee->drop_unencrypted = data->value;
break;
case IW_AUTH_80211_AUTH_ALG:
if (data->value & IW_AUTH_ALG_SHARED_KEY) {
ieee->open_wep = 0;
ieee->auth_mode = 1;
} else if (data->value & IW_AUTH_ALG_OPEN_SYSTEM) {
ieee->open_wep = 1;
ieee->auth_mode = 0;
} else if (data->value & IW_AUTH_ALG_LEAP) {
ieee->open_wep = 1;
ieee->auth_mode = 2;
} else
return -EINVAL;
break;
case IW_AUTH_WPA_ENABLED:
ieee->wpa_enabled = (data->value) ? 1 : 0;
break;
case IW_AUTH_RX_UNENCRYPTED_EAPOL:
ieee->ieee802_1x = data->value;
break;
case IW_AUTH_PRIVACY_INVOKED:
ieee->privacy_invoked = data->value;
break;
default:
return -EOPNOTSUPP;
}
return 0;
}
EXPORT_SYMBOL(rtllib_wx_set_auth);
int rtllib_wx_set_gen_ie(struct rtllib_device *ieee, u8 *ie, size_t len)
{
u8 *buf;
u8 eid, wps_oui[4] = {0x0, 0x50, 0xf2, 0x04};
if (len > MAX_WPA_IE_LEN || (len && ie == NULL))
return -EINVAL;
if (len) {
eid = ie[0];
if ((eid == MFIE_TYPE_GENERIC) && (!memcmp(&ie[2],
wps_oui, 4))) {
ieee->wps_ie_len = (len < MAX_WZC_IE_LEN) ? (len) :
(MAX_WZC_IE_LEN);
buf = kmemdup(ie, ieee->wps_ie_len, GFP_KERNEL);
if (buf == NULL)
return -ENOMEM;
ieee->wps_ie = buf;
return 0;
}
}
ieee->wps_ie_len = 0;
kfree(ieee->wps_ie);
ieee->wps_ie = NULL;
if (len) {
if (len != ie[1]+2)
return -EINVAL;
buf = kmemdup(ie, len, GFP_KERNEL);
if (buf == NULL)
return -ENOMEM;
kfree(ieee->wpa_ie);
ieee->wpa_ie = buf;
ieee->wpa_ie_len = len;
} else {
kfree(ieee->wpa_ie);
ieee->wpa_ie = NULL;
ieee->wpa_ie_len = 0;
}
return 0;
}
EXPORT_SYMBOL(rtllib_wx_set_gen_ie);
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