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linux / linux / kernel / git / davem / net / f7d02ae76ebbf5b8a9531fe150c49e126a397704 / . / drivers / net / wireless / libertas / wext.c
blob: 69f52b6e59c865d58a7583d6521d00c370e56a7a [file] [log] [blame]
/**
* This file contains ioctl functions
*/
#include <linux/ctype.h>
#include <linux/delay.h>
#include <linux/if.h>
#include <linux/if_arp.h>
#include <linux/wireless.h>
#include <linux/bitops.h>
#include <net/ieee80211.h>
#include <net/iw_handler.h>
#include "host.h"
#include "radiotap.h"
#include "decl.h"
#include "defs.h"
#include "dev.h"
#include "join.h"
#include "wext.h"
#include "assoc.h"
/**
* @brief Convert mw value to dbm value
*
* @param mw the value of mw
* @return the value of dbm
*/
static int mw_to_dbm(int mw)
{
if (mw < 2)
return 0;
else if (mw < 3)
return 3;
else if (mw < 4)
return 5;
else if (mw < 6)
return 7;
else if (mw < 7)
return 8;
else if (mw < 8)
return 9;
else if (mw < 10)
return 10;
else if (mw < 13)
return 11;
else if (mw < 16)
return 12;
else if (mw < 20)
return 13;
else if (mw < 25)
return 14;
else if (mw < 32)
return 15;
else if (mw < 40)
return 16;
else if (mw < 50)
return 17;
else if (mw < 63)
return 18;
else if (mw < 79)
return 19;
else if (mw < 100)
return 20;
else
return 21;
}
/**
* @brief Find the channel frequency power info with specific channel
*
* @param adapter A pointer to wlan_adapter structure
* @param band it can be BAND_A, BAND_G or BAND_B
* @param channel the channel for looking
* @return A pointer to struct chan_freq_power structure or NULL if not find.
*/
struct chan_freq_power *libertas_find_cfp_by_band_and_channel(wlan_adapter * adapter,
u8 band, u16 channel)
{
struct chan_freq_power *cfp = NULL;
struct region_channel *rc;
int count = sizeof(adapter->region_channel) /
sizeof(adapter->region_channel[0]);
int i, j;
for (j = 0; !cfp && (j < count); j++) {
rc = &adapter->region_channel[j];
if (adapter->enable11d)
rc = &adapter->universal_channel[j];
if (!rc->valid || !rc->CFP)
continue;
if (rc->band != band)
continue;
for (i = 0; i < rc->nrcfp; i++) {
if (rc->CFP[i].channel == channel) {
cfp = &rc->CFP[i];
break;
}
}
}
if (!cfp && channel)
lbs_pr_debug(1, "libertas_find_cfp_by_band_and_channel(): cannot find "
"cfp by band %d & channel %d\n", band, channel);
return cfp;
}
/**
* @brief Find the channel frequency power info with specific frequency
*
* @param adapter A pointer to wlan_adapter structure
* @param band it can be BAND_A, BAND_G or BAND_B
* @param freq the frequency for looking
* @return A pointer to struct chan_freq_power structure or NULL if not find.
*/
static struct chan_freq_power *find_cfp_by_band_and_freq(wlan_adapter * adapter,
u8 band, u32 freq)
{
struct chan_freq_power *cfp = NULL;
struct region_channel *rc;
int count = sizeof(adapter->region_channel) /
sizeof(adapter->region_channel[0]);
int i, j;
for (j = 0; !cfp && (j < count); j++) {
rc = &adapter->region_channel[j];
if (adapter->enable11d)
rc = &adapter->universal_channel[j];
if (!rc->valid || !rc->CFP)
continue;
if (rc->band != band)
continue;
for (i = 0; i < rc->nrcfp; i++) {
if (rc->CFP[i].freq == freq) {
cfp = &rc->CFP[i];
break;
}
}
}
if (!cfp && freq)
lbs_pr_debug(1, "find_cfp_by_band_and_freql(): cannot find cfp by "
"band %d & freq %d\n", band, freq);
return cfp;
}
static int updatecurrentchannel(wlan_private * priv)
{
int ret;
/*
** the channel in f/w could be out of sync, get the current channel
*/
ret = libertas_prepare_and_send_command(priv, cmd_802_11_rf_channel,
cmd_opt_802_11_rf_channel_get,
cmd_option_waitforrsp, 0, NULL);
lbs_pr_debug(1, "Current channel = %d\n",
priv->adapter->curbssparams.channel);
return ret;
}
static int setcurrentchannel(wlan_private * priv, int channel)
{
lbs_pr_debug(1, "Set channel = %d\n", channel);
/*
** Current channel is not set to adhocchannel requested, set channel
*/
return (libertas_prepare_and_send_command(priv, cmd_802_11_rf_channel,
cmd_opt_802_11_rf_channel_set,
cmd_option_waitforrsp, 0, &channel));
}
static int changeadhocchannel(wlan_private * priv, int channel)
{
int ret = 0;
wlan_adapter *adapter = priv->adapter;
adapter->adhocchannel = channel;
updatecurrentchannel(priv);
if (adapter->curbssparams.channel == adapter->adhocchannel) {
/* adhocchannel is set to the current channel already */
LEAVE();
return 0;
}
lbs_pr_debug(1, "Updating channel from %d to %d\n",
adapter->curbssparams.channel, adapter->adhocchannel);
setcurrentchannel(priv, adapter->adhocchannel);
updatecurrentchannel(priv);
if (adapter->curbssparams.channel != adapter->adhocchannel) {
lbs_pr_debug(1, "failed to updated channel to %d, channel = %d\n",
adapter->adhocchannel, adapter->curbssparams.channel);
LEAVE();
return -1;
}
if (adapter->connect_status == libertas_connected) {
int i;
struct WLAN_802_11_SSID curadhocssid;
lbs_pr_debug(1, "channel Changed while in an IBSS\n");
/* Copy the current ssid */
memcpy(&curadhocssid, &adapter->curbssparams.ssid,
sizeof(struct WLAN_802_11_SSID));
/* Exit Adhoc mode */
lbs_pr_debug(1, "In changeadhocchannel(): Sending Adhoc Stop\n");
ret = libertas_stop_adhoc_network(priv);
if (ret) {
LEAVE();
return ret;
}
/* Scan for the network, do not save previous results. Stale
* scan data will cause us to join a non-existant adhoc network
*/
libertas_send_specific_SSID_scan(priv, &curadhocssid, 0);
// find out the BSSID that matches the current SSID
i = libertas_find_SSID_in_list(adapter, &curadhocssid, NULL,
IW_MODE_ADHOC);
if (i >= 0) {
lbs_pr_debug(1, "SSID found at %d in List,"
"so join\n", i);
libertas_join_adhoc_network(priv, &adapter->scantable[i]);
} else {
// else send START command
lbs_pr_debug(1, "SSID not found in list, "
"so creating adhoc with ssid = %s\n",
curadhocssid.ssid);
libertas_start_adhoc_network(priv, &curadhocssid);
} // end of else (START command)
}
LEAVE();
return 0;
}
/**
* @brief Set Radio On/OFF
*
* @param priv A pointer to wlan_private structure
* @option Radio Option
* @return 0 --success, otherwise fail
*/
int wlan_radio_ioctl(wlan_private * priv, u8 option)
{
int ret = 0;
wlan_adapter *adapter = priv->adapter;
ENTER();
if (adapter->radioon != option) {
lbs_pr_debug(1, "Switching %s the Radio\n", option ? "On" : "Off");
adapter->radioon = option;
ret = libertas_prepare_and_send_command(priv,
cmd_802_11_radio_control,
cmd_act_set,
cmd_option_waitforrsp, 0, NULL);
}
LEAVE();
return ret;
}
/**
* @brief Copy rates
*
* @param dest A pointer to Dest Buf
* @param src A pointer to Src Buf
* @param len The len of Src Buf
* @return Number of rates copyed
*/
static inline int copyrates(u8 * dest, int pos, u8 * src, int len)
{
int i;
for (i = 0; i < len && src[i]; i++, pos++) {
if (pos >= sizeof(u8) * WLAN_SUPPORTED_RATES)
break;
dest[pos] = src[i];
}
return pos;
}
/**
* @brief Get active data rates
*
* @param adapter A pointer to wlan_adapter structure
* @param rate The buf to return the active rates
* @return The number of rates
*/
static int get_active_data_rates(wlan_adapter * adapter,
u8* rates)
{
int k = 0;
ENTER();
if (adapter->connect_status != libertas_connected) {
if (adapter->mode == IW_MODE_INFRA) {
lbs_pr_debug(1, "Infra\n");
k = copyrates(rates, k, libertas_supported_rates,
sizeof(libertas_supported_rates));
} else {
lbs_pr_debug(1, "Adhoc G\n");
k = copyrates(rates, k, libertas_adhoc_rates_g,
sizeof(libertas_adhoc_rates_g));
}
} else {
k = copyrates(rates, 0, adapter->curbssparams.datarates,
adapter->curbssparams.numofrates);
}
LEAVE();
return k;
}
static int wlan_get_name(struct net_device *dev, struct iw_request_info *info,
char *cwrq, char *extra)
{
const char *cp;
char comm[6] = { "COMM-" };
char mrvl[6] = { "MRVL-" };
int cnt;
ENTER();
strcpy(cwrq, mrvl);
cp = strstr(libertas_driver_version, comm);
if (cp == libertas_driver_version) //skip leading "COMM-"
cp = libertas_driver_version + strlen(comm);
else
cp = libertas_driver_version;
cnt = strlen(mrvl);
cwrq += cnt;
while (cnt < 16 && (*cp != '-')) {
*cwrq++ = toupper(*cp++);
cnt++;
}
*cwrq = '\0';
LEAVE();
return 0;
}
static int wlan_get_freq(struct net_device *dev, struct iw_request_info *info,
struct iw_freq *fwrq, char *extra)
{
wlan_private *priv = dev->priv;
wlan_adapter *adapter = priv->adapter;
struct chan_freq_power *cfp;
ENTER();
cfp = libertas_find_cfp_by_band_and_channel(adapter, 0,
adapter->curbssparams.channel);
if (!cfp) {
if (adapter->curbssparams.channel)
lbs_pr_debug(1, "Invalid channel=%d\n",
adapter->curbssparams.channel);
return -EINVAL;
}
fwrq->m = (long)cfp->freq * 100000;
fwrq->e = 1;
lbs_pr_debug(1, "freq=%u\n", fwrq->m);
LEAVE();
return 0;
}
static int wlan_get_wap(struct net_device *dev, struct iw_request_info *info,
struct sockaddr *awrq, char *extra)
{
wlan_private *priv = dev->priv;
wlan_adapter *adapter = priv->adapter;
ENTER();
if (adapter->connect_status == libertas_connected) {
memcpy(awrq->sa_data, adapter->curbssparams.bssid, ETH_ALEN);
} else {
memset(awrq->sa_data, 0, ETH_ALEN);
}
awrq->sa_family = ARPHRD_ETHER;
LEAVE();
return 0;
}
static int wlan_set_nick(struct net_device *dev, struct iw_request_info *info,
struct iw_point *dwrq, char *extra)
{
wlan_private *priv = dev->priv;
wlan_adapter *adapter = priv->adapter;
ENTER();
/*
* Check the size of the string
*/
if (dwrq->length > 16) {
return -E2BIG;
}
mutex_lock(&adapter->lock);
memset(adapter->nodename, 0, sizeof(adapter->nodename));
memcpy(adapter->nodename, extra, dwrq->length);
mutex_unlock(&adapter->lock);
LEAVE();
return 0;
}
static int wlan_get_nick(struct net_device *dev, struct iw_request_info *info,
struct iw_point *dwrq, char *extra)
{
wlan_private *priv = dev->priv;
wlan_adapter *adapter = priv->adapter;
ENTER();
/*
* Get the Nick Name saved
*/
mutex_lock(&adapter->lock);
strncpy(extra, adapter->nodename, 16);
mutex_unlock(&adapter->lock);
extra[16] = '\0';
/*
* If none, we may want to get the one that was set
*/
/*
* Push it out !
*/
dwrq->length = strlen(extra) + 1;
LEAVE();
return 0;
}
static int wlan_set_rts(struct net_device *dev, struct iw_request_info *info,
struct iw_param *vwrq, char *extra)
{
int ret = 0;
wlan_private *priv = dev->priv;
wlan_adapter *adapter = priv->adapter;
int rthr = vwrq->value;
ENTER();
if (vwrq->disabled) {
adapter->rtsthsd = rthr = MRVDRV_RTS_MAX_VALUE;
} else {
if (rthr < MRVDRV_RTS_MIN_VALUE || rthr > MRVDRV_RTS_MAX_VALUE)
return -EINVAL;
adapter->rtsthsd = rthr;
}
ret = libertas_prepare_and_send_command(priv, cmd_802_11_snmp_mib,
cmd_act_set, cmd_option_waitforrsp,
OID_802_11_RTS_THRESHOLD, &rthr);
LEAVE();
return ret;
}
static int wlan_get_rts(struct net_device *dev, struct iw_request_info *info,
struct iw_param *vwrq, char *extra)
{
int ret = 0;
wlan_private *priv = dev->priv;
wlan_adapter *adapter = priv->adapter;
ENTER();
adapter->rtsthsd = 0;
ret = libertas_prepare_and_send_command(priv, cmd_802_11_snmp_mib,
cmd_act_get, cmd_option_waitforrsp,
OID_802_11_RTS_THRESHOLD, NULL);
if (ret) {
LEAVE();
return ret;
}
vwrq->value = adapter->rtsthsd;
vwrq->disabled = ((vwrq->value < MRVDRV_RTS_MIN_VALUE)
|| (vwrq->value > MRVDRV_RTS_MAX_VALUE));
vwrq->fixed = 1;
LEAVE();
return 0;
}
static int wlan_set_frag(struct net_device *dev, struct iw_request_info *info,
struct iw_param *vwrq, char *extra)
{
int ret = 0;
int fthr = vwrq->value;
wlan_private *priv = dev->priv;
wlan_adapter *adapter = priv->adapter;
ENTER();
if (vwrq->disabled) {
adapter->fragthsd = fthr = MRVDRV_FRAG_MAX_VALUE;
} else {
if (fthr < MRVDRV_FRAG_MIN_VALUE
|| fthr > MRVDRV_FRAG_MAX_VALUE)
return -EINVAL;
adapter->fragthsd = fthr;
}
ret = libertas_prepare_and_send_command(priv, cmd_802_11_snmp_mib,
cmd_act_set, cmd_option_waitforrsp,
OID_802_11_FRAGMENTATION_THRESHOLD, &fthr);
LEAVE();
return ret;
}
static int wlan_get_frag(struct net_device *dev, struct iw_request_info *info,
struct iw_param *vwrq, char *extra)
{
int ret = 0;
wlan_private *priv = dev->priv;
wlan_adapter *adapter = priv->adapter;
ENTER();
adapter->fragthsd = 0;
ret = libertas_prepare_and_send_command(priv,
cmd_802_11_snmp_mib,
cmd_act_get, cmd_option_waitforrsp,
OID_802_11_FRAGMENTATION_THRESHOLD, NULL);
if (ret) {
LEAVE();
return ret;
}
vwrq->value = adapter->fragthsd;
vwrq->disabled = ((vwrq->value < MRVDRV_FRAG_MIN_VALUE)
|| (vwrq->value > MRVDRV_FRAG_MAX_VALUE));
vwrq->fixed = 1;
LEAVE();
return ret;
}
static int wlan_get_mode(struct net_device *dev,
struct iw_request_info *info, u32 * uwrq, char *extra)
{
wlan_private *priv = dev->priv;
wlan_adapter *adapter = priv->adapter;
ENTER();
*uwrq = adapter->mode;
LEAVE();
return 0;
}
static int wlan_get_txpow(struct net_device *dev,
struct iw_request_info *info,
struct iw_param *vwrq, char *extra)
{
int ret = 0;
wlan_private *priv = dev->priv;
wlan_adapter *adapter = priv->adapter;
ENTER();
ret = libertas_prepare_and_send_command(priv,
cmd_802_11_rf_tx_power,
cmd_act_tx_power_opt_get,
cmd_option_waitforrsp, 0, NULL);
if (ret) {
LEAVE();
return ret;
}
lbs_pr_debug(1, "TXPOWER GET %d dbm.\n", adapter->txpowerlevel);
vwrq->value = adapter->txpowerlevel;
vwrq->fixed = 1;
if (adapter->radioon) {
vwrq->disabled = 0;
vwrq->flags = IW_TXPOW_DBM;
} else {
vwrq->disabled = 1;
}
LEAVE();
return 0;
}
static int wlan_set_retry(struct net_device *dev, struct iw_request_info *info,
struct iw_param *vwrq, char *extra)
{
int ret = 0;
wlan_private *priv = dev->priv;
wlan_adapter *adapter = priv->adapter;
ENTER();
if (vwrq->flags == IW_RETRY_LIMIT) {
/* The MAC has a 4-bit Total_Tx_Count register
Total_Tx_Count = 1 + Tx_Retry_Count */
#define TX_RETRY_MIN 0
#define TX_RETRY_MAX 14
if (vwrq->value < TX_RETRY_MIN || vwrq->value > TX_RETRY_MAX)
return -EINVAL;
/* Adding 1 to convert retry count to try count */
adapter->txretrycount = vwrq->value + 1;
ret = libertas_prepare_and_send_command(priv, cmd_802_11_snmp_mib,
cmd_act_set,
cmd_option_waitforrsp,
OID_802_11_TX_RETRYCOUNT, NULL);
if (ret) {
LEAVE();
return ret;
}
} else {
return -EOPNOTSUPP;
}
LEAVE();
return 0;
}
static int wlan_get_retry(struct net_device *dev, struct iw_request_info *info,
struct iw_param *vwrq, char *extra)
{
wlan_private *priv = dev->priv;
wlan_adapter *adapter = priv->adapter;
int ret = 0;
ENTER();
adapter->txretrycount = 0;
ret = libertas_prepare_and_send_command(priv,
cmd_802_11_snmp_mib,
cmd_act_get, cmd_option_waitforrsp,
OID_802_11_TX_RETRYCOUNT, NULL);
if (ret) {
LEAVE();
return ret;
}
vwrq->disabled = 0;
if (!vwrq->flags) {
vwrq->flags = IW_RETRY_LIMIT;
/* Subtract 1 to convert try count to retry count */
vwrq->value = adapter->txretrycount - 1;
}
LEAVE();
return 0;
}
static inline void sort_channels(struct iw_freq *freq, int num)
{
int i, j;
struct iw_freq temp;
for (i = 0; i < num; i++)
for (j = i + 1; j < num; j++)
if (freq[i].i > freq[j].i) {
temp.i = freq[i].i;
temp.m = freq[i].m;
freq[i].i = freq[j].i;
freq[i].m = freq[j].m;
freq[j].i = temp.i;
freq[j].m = temp.m;
}
}
/* data rate listing
MULTI_BANDS:
abg a b b/g
Infra G(12) A(8) B(4) G(12)
Adhoc A+B(12) A(8) B(4) B(4)
non-MULTI_BANDS:
b b/g
Infra B(4) G(12)
Adhoc B(4) B(4)
*/
/**
* @brief Get Range Info
*
* @param dev A pointer to net_device structure
* @param info A pointer to iw_request_info structure
* @param vwrq A pointer to iw_param structure
* @param extra A pointer to extra data buf
* @return 0 --success, otherwise fail
*/
static int wlan_get_range(struct net_device *dev, struct iw_request_info *info,
struct iw_point *dwrq, char *extra)
{
int i, j;
wlan_private *priv = dev->priv;
wlan_adapter *adapter = priv->adapter;
struct iw_range *range = (struct iw_range *)extra;
struct chan_freq_power *cfp;
u8 rates[WLAN_SUPPORTED_RATES];
u8 flag = 0;
ENTER();
dwrq->length = sizeof(struct iw_range);
memset(range, 0, sizeof(struct iw_range));
range->min_nwid = 0;
range->max_nwid = 0;
memset(rates, 0, sizeof(rates));
range->num_bitrates = get_active_data_rates(adapter, rates);
for (i = 0; i < min_t(__u8, range->num_bitrates, IW_MAX_BITRATES) && rates[i];
i++) {
range->bitrate[i] = (rates[i] & 0x7f) * 500000;
}
range->num_bitrates = i;
lbs_pr_debug(1, "IW_MAX_BITRATES=%d num_bitrates=%d\n", IW_MAX_BITRATES,
range->num_bitrates);
range->num_frequency = 0;
if (priv->adapter->enable11d &&
adapter->connect_status == libertas_connected) {
u8 chan_no;
u8 band;
struct parsed_region_chan_11d *parsed_region_chan =
&adapter->parsed_region_chan;
if (parsed_region_chan == NULL) {
lbs_pr_debug(1, "11D:parsed_region_chan is NULL\n");
LEAVE();
return 0;
}
band = parsed_region_chan->band;
lbs_pr_debug(1, "band=%d NoOfChan=%d\n", band,
parsed_region_chan->nr_chan);
for (i = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
&& (i < parsed_region_chan->nr_chan); i++) {
chan_no = parsed_region_chan->chanpwr[i].chan;
lbs_pr_debug(1, "chan_no=%d\n", chan_no);
range->freq[range->num_frequency].i = (long)chan_no;
range->freq[range->num_frequency].m =
(long)libertas_chan_2_freq(chan_no, band) * 100000;
range->freq[range->num_frequency].e = 1;
range->num_frequency++;
}
flag = 1;
}
if (!flag) {
for (j = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
&& (j < sizeof(adapter->region_channel)
/ sizeof(adapter->region_channel[0])); j++) {
cfp = adapter->region_channel[j].CFP;
for (i = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
&& adapter->region_channel[j].valid
&& cfp
&& (i < adapter->region_channel[j].nrcfp); i++) {
range->freq[range->num_frequency].i =
(long)cfp->channel;
range->freq[range->num_frequency].m =
(long)cfp->freq * 100000;
range->freq[range->num_frequency].e = 1;
cfp++;
range->num_frequency++;
}
}
}
lbs_pr_debug(1, "IW_MAX_FREQUENCIES=%d num_frequency=%d\n",
IW_MAX_FREQUENCIES, range->num_frequency);
range->num_channels = range->num_frequency;
sort_channels(&range->freq[0], range->num_frequency);
/*
* Set an indication of the max TCP throughput in bit/s that we can
* expect using this interface
*/
if (i > 2)
range->throughput = 5000 * 1000;
else
range->throughput = 1500 * 1000;
range->min_rts = MRVDRV_RTS_MIN_VALUE;
range->max_rts = MRVDRV_RTS_MAX_VALUE;
range->min_frag = MRVDRV_FRAG_MIN_VALUE;
range->max_frag = MRVDRV_FRAG_MAX_VALUE;
range->encoding_size[0] = 5;
range->encoding_size[1] = 13;
range->num_encoding_sizes = 2;
range->max_encoding_tokens = 4;
range->min_pmp = 1000000;
range->max_pmp = 120000000;
range->min_pmt = 1000;
range->max_pmt = 1000000;
range->pmp_flags = IW_POWER_PERIOD;
range->pmt_flags = IW_POWER_TIMEOUT;
range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
/*
* Minimum version we recommend
*/
range->we_version_source = 15;
/*
* Version we are compiled with
*/
range->we_version_compiled = WIRELESS_EXT;
range->retry_capa = IW_RETRY_LIMIT;
range->retry_flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
range->min_retry = TX_RETRY_MIN;
range->max_retry = TX_RETRY_MAX;
/*
* Set the qual, level and noise range values
*/
range->max_qual.qual = 100;
range->max_qual.level = 0;
range->max_qual.noise = 0;
range->max_qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
range->avg_qual.qual = 70;
/* TODO: Find real 'good' to 'bad' threshold value for RSSI */
range->avg_qual.level = 0;
range->avg_qual.noise = 0;
range->avg_qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
range->sensitivity = 0;
/*
* Setup the supported power level ranges
*/
memset(range->txpower, 0, sizeof(range->txpower));
range->txpower[0] = 5;
range->txpower[1] = 7;
range->txpower[2] = 9;
range->txpower[3] = 11;
range->txpower[4] = 13;
range->txpower[5] = 15;
range->txpower[6] = 17;
range->txpower[7] = 19;
range->num_txpower = 8;
range->txpower_capa = IW_TXPOW_DBM;
range->txpower_capa |= IW_TXPOW_RANGE;
range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
IW_EVENT_CAPA_MASK(SIOCGIWAP) |
IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
range->event_capa[1] = IW_EVENT_CAPA_K_1;
if (adapter->fwcapinfo & FW_CAPINFO_WPA) {
range->enc_capa = IW_ENC_CAPA_WPA
| IW_ENC_CAPA_WPA2
| IW_ENC_CAPA_CIPHER_TKIP
| IW_ENC_CAPA_CIPHER_CCMP;
}
LEAVE();
return 0;
}
static int wlan_set_power(struct net_device *dev, struct iw_request_info *info,
struct iw_param *vwrq, char *extra)
{
wlan_private *priv = dev->priv;
wlan_adapter *adapter = priv->adapter;
ENTER();
/* PS is currently supported only in Infrastructure mode
* Remove this check if it is to be supported in IBSS mode also
*/
if (vwrq->disabled) {
adapter->psmode = wlan802_11powermodecam;
if (adapter->psstate != PS_STATE_FULL_POWER) {
libertas_ps_wakeup(priv, cmd_option_waitforrsp);
}
return 0;
}
if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
lbs_pr_debug(1,
"Setting power timeout command is not supported\n");
return -EINVAL;
} else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
lbs_pr_debug(1, "Setting power period command is not supported\n");
return -EINVAL;
}
if (adapter->psmode != wlan802_11powermodecam) {
return 0;
}
adapter->psmode = wlan802_11powermodemax_psp;
if (adapter->connect_status == libertas_connected) {
libertas_ps_sleep(priv, cmd_option_waitforrsp);
}
LEAVE();
return 0;
}
static int wlan_get_power(struct net_device *dev, struct iw_request_info *info,
struct iw_param *vwrq, char *extra)
{
wlan_private *priv = dev->priv;
wlan_adapter *adapter = priv->adapter;
int mode;
ENTER();
mode = adapter->psmode;
if ((vwrq->disabled = (mode == wlan802_11powermodecam))
|| adapter->connect_status == libertas_disconnected) {
LEAVE();
return 0;
}
vwrq->value = 0;
LEAVE();
return 0;
}
/*
* iwpriv settable callbacks
*/
static const iw_handler wlan_private_handler[] = {
NULL, /* SIOCIWFIRSTPRIV */
};
static const struct iw_priv_args wlan_private_args[] = {
/*
* { cmd, set_args, get_args, name }
*/
/* Using iwpriv sub-command feature */
{
WLAN_SETONEINT_GETNONE, /* IOCTL: 24 */
IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
IW_PRIV_TYPE_NONE,
""},
{
WLANSETREGION,
IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
IW_PRIV_TYPE_NONE,
"setregioncode"},
{
WLAN_SUBCMD_MESH_SET_TTL,
IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
IW_PRIV_TYPE_NONE,
"mesh_set_ttl"},
{
WLAN_SETNONE_GETONEINT,
IW_PRIV_TYPE_NONE,
IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
""},
{
WLANGETREGION,
IW_PRIV_TYPE_NONE,
IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
"getregioncode"},
{
WLAN_SUBCMD_FWT_CLEANUP,
IW_PRIV_TYPE_NONE,
IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
"fwt_cleanup"},
{
WLAN_SUBCMD_FWT_TIME,
IW_PRIV_TYPE_NONE,
IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
"fwt_time"},
{
WLAN_SUBCMD_MESH_GET_TTL,
IW_PRIV_TYPE_NONE,
IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
"mesh_get_ttl"},
{
WLAN_SETNONE_GETNONE,
IW_PRIV_TYPE_NONE,
IW_PRIV_TYPE_NONE,
""},
{
WLAN_SUBCMD_FWT_RESET,
IW_PRIV_TYPE_NONE,
IW_PRIV_TYPE_NONE,
"fwt_reset"},
{
WLAN_SUBCMD_BT_RESET,
IW_PRIV_TYPE_NONE,
IW_PRIV_TYPE_NONE,
"bt_reset"},
{
WLAN_SET128CHAR_GET128CHAR,
IW_PRIV_TYPE_CHAR | 128,
IW_PRIV_TYPE_CHAR | 128,
""},
/* BT Management */
{
WLAN_SUBCMD_BT_ADD,
IW_PRIV_TYPE_CHAR | 128,
IW_PRIV_TYPE_CHAR | 128,
"bt_add"},
{
WLAN_SUBCMD_BT_DEL,
IW_PRIV_TYPE_CHAR | 128,
IW_PRIV_TYPE_CHAR | 128,
"bt_del"},
{
WLAN_SUBCMD_BT_LIST,
IW_PRIV_TYPE_CHAR | 128,
IW_PRIV_TYPE_CHAR | 128,
"bt_list"},
/* FWT Management */
{
WLAN_SUBCMD_FWT_ADD,
IW_PRIV_TYPE_CHAR | 128,
IW_PRIV_TYPE_CHAR | 128,
"fwt_add"},
{
WLAN_SUBCMD_FWT_DEL,
IW_PRIV_TYPE_CHAR | 128,
IW_PRIV_TYPE_CHAR | 128,
"fwt_del"},
{
WLAN_SUBCMD_FWT_LOOKUP,
IW_PRIV_TYPE_CHAR | 128,
IW_PRIV_TYPE_CHAR | 128,
"fwt_lookup"},
{
WLAN_SUBCMD_FWT_LIST_NEIGHBOR,
IW_PRIV_TYPE_CHAR | 128,
IW_PRIV_TYPE_CHAR | 128,
"fwt_list_neigh"},
{
WLAN_SUBCMD_FWT_LIST,
IW_PRIV_TYPE_CHAR | 128,
IW_PRIV_TYPE_CHAR | 128,
"fwt_list"},
{
WLAN_SUBCMD_FWT_LIST_ROUTE,
IW_PRIV_TYPE_CHAR | 128,
IW_PRIV_TYPE_CHAR | 128,
"fwt_list_route"},
{
WLAN_SET_GET_SIXTEEN_INT,
IW_PRIV_TYPE_INT | 16,
IW_PRIV_TYPE_INT | 16,
""},
{
WLAN_LED_GPIO_CTRL,
IW_PRIV_TYPE_INT | 16,
IW_PRIV_TYPE_INT | 16,
"ledgpio"},
};
static struct iw_statistics *wlan_get_wireless_stats(struct net_device *dev)
{
enum {
POOR = 30,
FAIR = 60,
GOOD = 80,
VERY_GOOD = 90,
EXCELLENT = 95,
PERFECT = 100
};
wlan_private *priv = dev->priv;
wlan_adapter *adapter = priv->adapter;
u32 rssi_qual;
u32 tx_qual;
u32 quality = 0;
int stats_valid = 0;
u8 rssi;
u32 tx_retries;
ENTER();
priv->wstats.status = adapter->mode;
/* If we're not associated, all quality values are meaningless */
if (adapter->connect_status != libertas_connected)
goto out;
/* Quality by RSSI */
priv->wstats.qual.level =
CAL_RSSI(adapter->SNR[TYPE_BEACON][TYPE_NOAVG],
adapter->NF[TYPE_BEACON][TYPE_NOAVG]);
if (adapter->NF[TYPE_BEACON][TYPE_NOAVG] == 0) {
priv->wstats.qual.noise = MRVDRV_NF_DEFAULT_SCAN_VALUE;
} else {
priv->wstats.qual.noise =
CAL_NF(adapter->NF[TYPE_BEACON][TYPE_NOAVG]);
}
lbs_pr_debug(1, "Signal Level = %#x\n", priv->wstats.qual.level);
lbs_pr_debug(1, "Noise = %#x\n", priv->wstats.qual.noise);
rssi = priv->wstats.qual.level - priv->wstats.qual.noise;
if (rssi < 15)
rssi_qual = rssi * POOR / 10;
else if (rssi < 20)
rssi_qual = (rssi - 15) * (FAIR - POOR) / 5 + POOR;
else if (rssi < 30)
rssi_qual = (rssi - 20) * (GOOD - FAIR) / 5 + FAIR;
else if (rssi < 40)
rssi_qual = (rssi - 30) * (VERY_GOOD - GOOD) /
10 + GOOD;
else
rssi_qual = (rssi - 40) * (PERFECT - VERY_GOOD) /
10 + VERY_GOOD;
quality = rssi_qual;
/* Quality by TX errors */
priv->wstats.discard.retries = priv->stats.tx_errors;
tx_retries = adapter->logmsg.retry;
if (tx_retries > 75)
tx_qual = (90 - tx_retries) * POOR / 15;
else if (tx_retries > 70)
tx_qual = (75 - tx_retries) * (FAIR - POOR) / 5 + POOR;
else if (tx_retries > 65)
tx_qual = (70 - tx_retries) * (GOOD - FAIR) / 5 + FAIR;
else if (tx_retries > 50)
tx_qual = (65 - tx_retries) * (VERY_GOOD - GOOD) /
15 + GOOD;
else
tx_qual = (50 - tx_retries) *
(PERFECT - VERY_GOOD) / 50 + VERY_GOOD;
quality = min(quality, tx_qual);
priv->wstats.discard.code = adapter->logmsg.wepundecryptable;
priv->wstats.discard.fragment = adapter->logmsg.fcserror;
priv->wstats.discard.retries = tx_retries;
priv->wstats.discard.misc = adapter->logmsg.ackfailure;
/* Calculate quality */
priv->wstats.qual.qual = max(quality, (u32)100);
priv->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
stats_valid = 1;
/* update stats asynchronously for future calls */
libertas_prepare_and_send_command(priv, cmd_802_11_rssi, 0,
0, 0, NULL);
libertas_prepare_and_send_command(priv, cmd_802_11_get_log, 0,
0, 0, NULL);
out:
if (!stats_valid) {
priv->wstats.miss.beacon = 0;
priv->wstats.discard.retries = 0;
priv->wstats.qual.qual = 0;
priv->wstats.qual.level = 0;
priv->wstats.qual.noise = 0;
priv->wstats.qual.updated = IW_QUAL_ALL_UPDATED;
priv->wstats.qual.updated |= IW_QUAL_NOISE_INVALID |
IW_QUAL_QUAL_INVALID | IW_QUAL_LEVEL_INVALID;
}
LEAVE ();
return &priv->wstats;
}
static int wlan_set_freq(struct net_device *dev, struct iw_request_info *info,
struct iw_freq *fwrq, char *extra)
{
int ret = 0;
wlan_private *priv = dev->priv;
wlan_adapter *adapter = priv->adapter;
int rc = -EINPROGRESS; /* Call commit handler */
struct chan_freq_power *cfp;
ENTER();
/*
* If setting by frequency, convert to a channel
*/
if (fwrq->e == 1) {
long f = fwrq->m / 100000;
int c = 0;
cfp = find_cfp_by_band_and_freq(adapter, 0, f);
if (!cfp) {
lbs_pr_debug(1, "Invalid freq=%ld\n", f);
return -EINVAL;
}
c = (int)cfp->channel;
if (c < 0)
return -EINVAL;
fwrq->e = 0;
fwrq->m = c;
}
/*
* Setting by channel number
*/
if (fwrq->m > 1000 || fwrq->e > 0) {
rc = -EOPNOTSUPP;
} else {
int channel = fwrq->m;
cfp = libertas_find_cfp_by_band_and_channel(adapter, 0, channel);
if (!cfp) {
rc = -EINVAL;
} else {
if (adapter->mode == IW_MODE_ADHOC) {
rc = changeadhocchannel(priv, channel);
/* If station is WEP enabled, send the
* command to set WEP in firmware
*/
if (adapter->secinfo.wep_enabled) {
lbs_pr_debug(1, "set_freq: WEP enabled\n");
ret = libertas_prepare_and_send_command(priv,
cmd_802_11_set_wep,
cmd_act_add,
cmd_option_waitforrsp,
0,
NULL);
if (ret) {
LEAVE();
return ret;
}
adapter->currentpacketfilter |=
cmd_act_mac_wep_enable;
libertas_set_mac_packet_filter(priv);
}
} else {
rc = -EOPNOTSUPP;
}
}
}
LEAVE();
return rc;
}
/**
* @brief use index to get the data rate
*
* @param index The index of data rate
* @return data rate or 0
*/
u32 libertas_index_to_data_rate(u8 index)
{
if (index >= sizeof(libertas_wlan_data_rates))
index = 0;
return libertas_wlan_data_rates[index];
}
/**
* @brief use rate to get the index
*
* @param rate data rate
* @return index or 0
*/
u8 libertas_data_rate_to_index(u32 rate)
{
u8 *ptr;
if (rate)
if ((ptr = memchr(libertas_wlan_data_rates, (u8) rate,
sizeof(libertas_wlan_data_rates))))
return (ptr - libertas_wlan_data_rates);
return 0;
}
static int wlan_set_rate(struct net_device *dev, struct iw_request_info *info,
struct iw_param *vwrq, char *extra)
{
wlan_private *priv = dev->priv;
wlan_adapter *adapter = priv->adapter;
u32 data_rate;
u16 action;
int ret = 0;
u8 rates[WLAN_SUPPORTED_RATES];
u8 *rate;
ENTER();
lbs_pr_debug(1, "Vwrq->value = %d\n", vwrq->value);
if (vwrq->value == -1) {
action = cmd_act_set_tx_auto; // Auto
adapter->is_datarate_auto = 1;
adapter->datarate = 0;
} else {
if (vwrq->value % 100000) {
return -EINVAL;
}
data_rate = vwrq->value / 500000;
memset(rates, 0, sizeof(rates));
get_active_data_rates(adapter, rates);
rate = rates;
while (*rate) {
lbs_pr_debug(1, "Rate=0x%X Wanted=0x%X\n", *rate,
data_rate);
if ((*rate & 0x7f) == (data_rate & 0x7f))
break;
rate++;
}
if (!*rate) {
lbs_pr_alert( "The fixed data rate 0x%X is out "
"of range.\n", data_rate);
return -EINVAL;
}
adapter->datarate = data_rate;
action = cmd_act_set_tx_fix_rate;
adapter->is_datarate_auto = 0;
}
ret = libertas_prepare_and_send_command(priv, cmd_802_11_data_rate,
action, cmd_option_waitforrsp, 0, NULL);
LEAVE();
return ret;
}
static int wlan_get_rate(struct net_device *dev, struct iw_request_info *info,
struct iw_param *vwrq, char *extra)
{
wlan_private *priv = dev->priv;
wlan_adapter *adapter = priv->adapter;
ENTER();
if (adapter->is_datarate_auto) {
vwrq->fixed = 0;
} else {
vwrq->fixed = 1;
}
vwrq->value = adapter->datarate * 500000;
LEAVE();
return 0;
}
static int wlan_set_mode(struct net_device *dev,
struct iw_request_info *info, u32 * uwrq, char *extra)
{
int ret = 0;
wlan_private *priv = dev->priv;
wlan_adapter *adapter = priv->adapter;
struct assoc_request * assoc_req;
ENTER();
if ( (*uwrq != IW_MODE_ADHOC)
&& (*uwrq != IW_MODE_INFRA)
&& (*uwrq != IW_MODE_AUTO)) {
lbs_pr_debug(1, "Invalid mode: 0x%x\n", *uwrq);
ret = -EINVAL;
goto out;
}
mutex_lock(&adapter->lock);
assoc_req = wlan_get_association_request(adapter);
if (!assoc_req) {
ret = -ENOMEM;
wlan_cancel_association_work(priv);
} else {
assoc_req->mode = *uwrq;
set_bit(ASSOC_FLAG_MODE, &assoc_req->flags);
wlan_postpone_association_work(priv);
lbs_pr_debug(1, "Switching to mode: 0x%x\n", *uwrq);
}
mutex_unlock(&adapter->lock);
out:
LEAVE();
return ret;
}
/**
* @brief Get Encryption key
*
* @param dev A pointer to net_device structure
* @param info A pointer to iw_request_info structure
* @param vwrq A pointer to iw_param structure
* @param extra A pointer to extra data buf
* @return 0 --success, otherwise fail
*/
static int wlan_get_encode(struct net_device *dev,
struct iw_request_info *info,
struct iw_point *dwrq, u8 * extra)
{
wlan_private *priv = dev->priv;
wlan_adapter *adapter = priv->adapter;
int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
ENTER();
lbs_pr_debug(1, "flags=0x%x index=%d length=%d wep_tx_keyidx=%d\n",
dwrq->flags, index, dwrq->length, adapter->wep_tx_keyidx);
dwrq->flags = 0;
/* Authentication method */
switch (adapter->secinfo.auth_mode) {
case IW_AUTH_ALG_OPEN_SYSTEM:
dwrq->flags = IW_ENCODE_OPEN;
break;
case IW_AUTH_ALG_SHARED_KEY:
case IW_AUTH_ALG_LEAP:
dwrq->flags = IW_ENCODE_RESTRICTED;
break;
default:
dwrq->flags = IW_ENCODE_DISABLED | IW_ENCODE_OPEN;
break;
}
if ( adapter->secinfo.wep_enabled
|| adapter->secinfo.WPAenabled
|| adapter->secinfo.WPA2enabled) {
dwrq->flags &= ~IW_ENCODE_DISABLED;
} else {
dwrq->flags |= IW_ENCODE_DISABLED;
}
memset(extra, 0, 16);
mutex_lock(&adapter->lock);
/* Default to returning current transmit key */
if (index < 0)
index = adapter->wep_tx_keyidx;
if ((adapter->wep_keys[index].len) && adapter->secinfo.wep_enabled) {
memcpy(extra, adapter->wep_keys[index].key,
adapter->wep_keys[index].len);
dwrq->length = adapter->wep_keys[index].len;
dwrq->flags |= (index + 1);
/* Return WEP enabled */
dwrq->flags &= ~IW_ENCODE_DISABLED;
} else if ((adapter->secinfo.WPAenabled)
|| (adapter->secinfo.WPA2enabled)) {
/* return WPA enabled */
dwrq->flags &= ~IW_ENCODE_DISABLED;
} else {
dwrq->flags |= IW_ENCODE_DISABLED;
}
mutex_unlock(&adapter->lock);
dwrq->flags |= IW_ENCODE_NOKEY;
lbs_pr_debug(1, "key:%02x:%02x:%02x:%02x:%02x:%02x keylen=%d\n",
extra[0], extra[1], extra[2],
extra[3], extra[4], extra[5], dwrq->length);
lbs_pr_debug(1, "Return flags=0x%x\n", dwrq->flags);
LEAVE();
return 0;
}
/**
* @brief Set Encryption key (internal)
*
* @param priv A pointer to private card structure
* @param key_material A pointer to key material
* @param key_length length of key material
* @param index key index to set
* @param set_tx_key Force set TX key (1 = yes, 0 = no)
* @return 0 --success, otherwise fail
*/
static int wlan_set_wep_key(struct assoc_request *assoc_req,
const char *key_material,
u16 key_length,
u16 index,
int set_tx_key)
{
struct WLAN_802_11_KEY *pkey;
ENTER();
/* Paranoid validation of key index */
if (index > 3) {
LEAVE();
return -EINVAL;
}
/* validate max key length */
if (key_length > KEY_LEN_WEP_104) {
LEAVE();
return -EINVAL;
}
pkey = &assoc_req->wep_keys[index];
if (key_length > 0) {
memset(pkey, 0, sizeof(struct WLAN_802_11_KEY));
pkey->type = KEY_TYPE_ID_WEP;
/* Standardize the key length */
pkey->len = (key_length > KEY_LEN_WEP_40) ?
KEY_LEN_WEP_104 : KEY_LEN_WEP_40;
memcpy(pkey->key, key_material, key_length);
}
if (set_tx_key) {
/* Ensure the chosen key is valid */
if (!pkey->len) {
lbs_pr_debug(1, "key not set, so cannot enable it\n");
LEAVE();
return -EINVAL;
}
assoc_req->wep_tx_keyidx = index;
}
assoc_req->secinfo.wep_enabled = 1;
LEAVE();
return 0;
}
static int validate_key_index(u16 def_index, u16 raw_index,
u16 *out_index, u16 *is_default)
{
if (!out_index || !is_default)
return -EINVAL;
/* Verify index if present, otherwise use default TX key index */
if (raw_index > 0) {
if (raw_index > 4)
return -EINVAL;
*out_index = raw_index - 1;
} else {
*out_index = def_index;
*is_default = 1;
}
return 0;
}
static void disable_wep(struct assoc_request *assoc_req)
{
int i;
/* Set Open System auth mode */
assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
/* Clear WEP keys and mark WEP as disabled */
assoc_req->secinfo.wep_enabled = 0;
for (i = 0; i < 4; i++)
assoc_req->wep_keys[i].len = 0;
set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
}
/**
* @brief Set Encryption key
*
* @param dev A pointer to net_device structure
* @param info A pointer to iw_request_info structure
* @param vwrq A pointer to iw_param structure
* @param extra A pointer to extra data buf
* @return 0 --success, otherwise fail
*/
static int wlan_set_encode(struct net_device *dev,
struct iw_request_info *info,
struct iw_point *dwrq, char *extra)
{
int ret = 0;
wlan_private *priv = dev->priv;
wlan_adapter *adapter = priv->adapter;
struct assoc_request * assoc_req;
u16 is_default = 0, index = 0, set_tx_key = 0;
ENTER();
mutex_lock(&adapter->lock);
assoc_req = wlan_get_association_request(adapter);
if (!assoc_req) {
ret = -ENOMEM;
goto out;
}
if (dwrq->flags & IW_ENCODE_DISABLED) {
disable_wep (assoc_req);
goto out;
}
ret = validate_key_index(assoc_req->wep_tx_keyidx,
(dwrq->flags & IW_ENCODE_INDEX),
&index, &is_default);
if (ret) {
ret = -EINVAL;
goto out;
}
/* If WEP isn't enabled, or if there is no key data but a valid
* index, set the TX key.
*/
if (!assoc_req->secinfo.wep_enabled || (dwrq->length == 0 && !is_default))
set_tx_key = 1;
ret = wlan_set_wep_key(assoc_req, extra, dwrq->length, index, set_tx_key);
if (ret)
goto out;
if (dwrq->length)
set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
if (set_tx_key)
set_bit(ASSOC_FLAG_WEP_TX_KEYIDX, &assoc_req->flags);
if (dwrq->flags & IW_ENCODE_RESTRICTED) {
assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
} else if (dwrq->flags & IW_ENCODE_OPEN) {
assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
}
out:
if (ret == 0) {
set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
wlan_postpone_association_work(priv);
} else {
wlan_cancel_association_work(priv);
}
mutex_unlock(&adapter->lock);
LEAVE();
return ret;
}
/**
* @brief Get Extended Encryption key (WPA/802.1x and WEP)
*
* @param dev A pointer to net_device structure
* @param info A pointer to iw_request_info structure
* @param vwrq A pointer to iw_param structure
* @param extra A pointer to extra data buf
* @return 0 on success, otherwise failure
*/
static int wlan_get_encodeext(struct net_device *dev,
struct iw_request_info *info,
struct iw_point *dwrq,
char *extra)
{
int ret = -EINVAL;
wlan_private *priv = dev->priv;
wlan_adapter *adapter = priv->adapter;
struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
int index, max_key_len;
ENTER();
max_key_len = dwrq->length - sizeof(*ext);
if (max_key_len < 0)
goto out;
index = dwrq->flags & IW_ENCODE_INDEX;
if (index) {
if (index < 1 || index > 4)
goto out;
index--;
} else {
index = adapter->wep_tx_keyidx;
}
if (!ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY &&
ext->alg != IW_ENCODE_ALG_WEP) {
if (index != 0 || adapter->mode != IW_MODE_INFRA)
goto out;
}
dwrq->flags = index + 1;
memset(ext, 0, sizeof(*ext));
if ( !adapter->secinfo.wep_enabled
&& !adapter->secinfo.WPAenabled
&& !adapter->secinfo.WPA2enabled) {
ext->alg = IW_ENCODE_ALG_NONE;
ext->key_len = 0;
dwrq->flags |= IW_ENCODE_DISABLED;
} else {
u8 *key = NULL;
if ( adapter->secinfo.wep_enabled
&& !adapter->secinfo.WPAenabled
&& !adapter->secinfo.WPA2enabled) {
ext->alg = IW_ENCODE_ALG_WEP;
ext->key_len = adapter->wep_keys[index].len;
key = &adapter->wep_keys[index].key[0];
} else if ( !adapter->secinfo.wep_enabled
&& (adapter->secinfo.WPAenabled ||
adapter->secinfo.WPA2enabled)) {
/* WPA */
ext->alg = IW_ENCODE_ALG_TKIP;
ext->key_len = 0;
} else {
goto out;
}
if (ext->key_len > max_key_len) {
ret = -E2BIG;
goto out;
}
if (ext->key_len)
memcpy(ext->key, key, ext->key_len);
else
dwrq->flags |= IW_ENCODE_NOKEY;
dwrq->flags |= IW_ENCODE_ENABLED;
}
ret = 0;
out:
LEAVE();
return ret;
}
/**
* @brief Set Encryption key Extended (WPA/802.1x and WEP)
*
* @param dev A pointer to net_device structure
* @param info A pointer to iw_request_info structure
* @param vwrq A pointer to iw_param structure
* @param extra A pointer to extra data buf
* @return 0 --success, otherwise fail
*/
static int wlan_set_encodeext(struct net_device *dev,
struct iw_request_info *info,
struct iw_point *dwrq,
char *extra)
{
int ret = 0;
wlan_private *priv = dev->priv;
wlan_adapter *adapter = priv->adapter;
struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
int alg = ext->alg;
struct assoc_request * assoc_req;
ENTER();
mutex_lock(&adapter->lock);
assoc_req = wlan_get_association_request(adapter);
if (!assoc_req) {
ret = -ENOMEM;
goto out;
}
if ((alg == IW_ENCODE_ALG_NONE) || (dwrq->flags & IW_ENCODE_DISABLED)) {
disable_wep (assoc_req);
} else if (alg == IW_ENCODE_ALG_WEP) {
u16 is_default = 0, index, set_tx_key = 0;
ret = validate_key_index(assoc_req->wep_tx_keyidx,
(dwrq->flags & IW_ENCODE_INDEX),
&index, &is_default);
if (ret)
goto out;
/* If WEP isn't enabled, or if there is no key data but a valid
* index, or if the set-TX-key flag was passed, set the TX key.
*/
if ( !assoc_req->secinfo.wep_enabled
|| (dwrq->length == 0 && !is_default)
|| (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY))
set_tx_key = 1;
/* Copy key to driver */
ret = wlan_set_wep_key (assoc_req, ext->key, ext->key_len, index,
set_tx_key);
if (ret)
goto out;
if (dwrq->flags & IW_ENCODE_RESTRICTED) {
assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
} else if (dwrq->flags & IW_ENCODE_OPEN) {
assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
}
/* Mark the various WEP bits as modified */
set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
if (dwrq->length)
set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
if (set_tx_key)
set_bit(ASSOC_FLAG_WEP_TX_KEYIDX, &assoc_req->flags);
} else if ((alg == IW_ENCODE_ALG_TKIP) || (alg == IW_ENCODE_ALG_CCMP)) {
struct WLAN_802_11_KEY * pkey;
/* validate key length */
if (((alg == IW_ENCODE_ALG_TKIP)
&& (ext->key_len != KEY_LEN_WPA_TKIP))
|| ((alg == IW_ENCODE_ALG_CCMP)
&& (ext->key_len != KEY_LEN_WPA_AES))) {
lbs_pr_debug(1, "Invalid size %d for key of alg"
"type %d.\n",
ext->key_len,
alg);
ret = -EINVAL;
goto out;
}
if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY)
pkey = &assoc_req->wpa_mcast_key;
else
pkey = &assoc_req->wpa_unicast_key;
memset(pkey, 0, sizeof (struct WLAN_802_11_KEY));
memcpy(pkey->key, ext->key, ext->key_len);
pkey->len = ext->key_len;
pkey->flags = KEY_INFO_WPA_ENABLED;
if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
pkey->flags |= KEY_INFO_WPA_MCAST;
set_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags);
} else {
pkey->flags |= KEY_INFO_WPA_UNICAST;
set_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags);
}
if (alg == IW_ENCODE_ALG_TKIP)
pkey->type = KEY_TYPE_ID_TKIP;
else if (alg == IW_ENCODE_ALG_CCMP)
pkey->type = KEY_TYPE_ID_AES;
/* If WPA isn't enabled yet, do that now */
if ( assoc_req->secinfo.WPAenabled == 0
&& assoc_req->secinfo.WPA2enabled == 0) {
assoc_req->secinfo.WPAenabled = 1;
assoc_req->secinfo.WPA2enabled = 1;
set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
}
disable_wep (assoc_req);
}
out:
if (ret == 0) {
wlan_postpone_association_work(priv);
} else {
wlan_cancel_association_work(priv);
}
mutex_unlock(&adapter->lock);
LEAVE();
return ret;
}
static int wlan_set_genie(struct net_device *dev,
struct iw_request_info *info,
struct iw_point *dwrq,
char *extra)
{
wlan_private *priv = dev->priv;
wlan_adapter *adapter = priv->adapter;
int ret = 0;
struct assoc_request * assoc_req;
ENTER();
mutex_lock(&adapter->lock);
assoc_req = wlan_get_association_request(adapter);
if (!assoc_req) {
ret = -ENOMEM;
goto out;
}
if (dwrq->length > MAX_WPA_IE_LEN ||
(dwrq->length && extra == NULL)) {
ret = -EINVAL;
goto out;
}
if (dwrq->length) {
memcpy(&assoc_req->wpa_ie[0], extra, dwrq->length);
assoc_req->wpa_ie_len = dwrq->length;
} else {
memset(&assoc_req->wpa_ie[0], 0, sizeof(adapter->wpa_ie));
assoc_req->wpa_ie_len = 0;
}
out:
if (ret == 0) {
set_bit(ASSOC_FLAG_WPA_IE, &assoc_req->flags);
wlan_postpone_association_work(priv);
} else {
wlan_cancel_association_work(priv);
}
mutex_unlock(&adapter->lock);
LEAVE();
return ret;
}
static int wlan_get_genie(struct net_device *dev,
struct iw_request_info *info,
struct iw_point *dwrq,
char *extra)
{
wlan_private *priv = dev->priv;
wlan_adapter *adapter = priv->adapter;
ENTER();
if (adapter->wpa_ie_len == 0) {
dwrq->length = 0;
LEAVE();
return 0;
}
if (dwrq->length < adapter->wpa_ie_len) {
LEAVE();
return -E2BIG;
}
dwrq->length = adapter->wpa_ie_len;
memcpy(extra, &adapter->wpa_ie[0], adapter->wpa_ie_len);
LEAVE();
return 0;
}
static int wlan_set_auth(struct net_device *dev,
struct iw_request_info *info,
struct iw_param *dwrq,
char *extra)
{
wlan_private *priv = dev->priv;
wlan_adapter *adapter = priv->adapter;
struct assoc_request * assoc_req;
int ret = 0;
int updated = 0;
ENTER();
mutex_lock(&adapter->lock);
assoc_req = wlan_get_association_request(adapter);
if (!assoc_req) {
ret = -ENOMEM;
goto out;
}
switch (dwrq->flags & IW_AUTH_INDEX) {
case IW_AUTH_TKIP_COUNTERMEASURES:
case IW_AUTH_CIPHER_PAIRWISE:
case IW_AUTH_CIPHER_GROUP:
case IW_AUTH_KEY_MGMT:
/*
* libertas does not use these parameters
*/
break;
case IW_AUTH_WPA_VERSION:
if (dwrq->value & IW_AUTH_WPA_VERSION_DISABLED) {
assoc_req->secinfo.WPAenabled = 0;
assoc_req->secinfo.WPA2enabled = 0;
}
if (dwrq->value & IW_AUTH_WPA_VERSION_WPA) {
assoc_req->secinfo.WPAenabled = 1;
assoc_req->secinfo.wep_enabled = 0;
assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
}
if (dwrq->value & IW_AUTH_WPA_VERSION_WPA2) {
assoc_req->secinfo.WPA2enabled = 1;
assoc_req->secinfo.wep_enabled = 0;
assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
}
updated = 1;
break;
case IW_AUTH_DROP_UNENCRYPTED:
if (dwrq->value) {
adapter->currentpacketfilter |=
cmd_act_mac_strict_protection_enable;
} else {
adapter->currentpacketfilter &=
~cmd_act_mac_strict_protection_enable;
}
updated = 1;
break;
case IW_AUTH_80211_AUTH_ALG:
if (dwrq->value & IW_AUTH_ALG_SHARED_KEY) {
assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
} else if (dwrq->value & IW_AUTH_ALG_OPEN_SYSTEM) {
assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
} else if (dwrq->value & IW_AUTH_ALG_LEAP) {
assoc_req->secinfo.auth_mode = IW_AUTH_ALG_LEAP;
} else {
ret = -EINVAL;
}
updated = 1;
break;
case IW_AUTH_WPA_ENABLED:
if (dwrq->value) {
if (!assoc_req->secinfo.WPAenabled &&
!assoc_req->secinfo.WPA2enabled) {
assoc_req->secinfo.WPAenabled = 1;
assoc_req->secinfo.WPA2enabled = 1;
assoc_req->secinfo.wep_enabled = 0;
assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
}
} else {
assoc_req->secinfo.WPAenabled = 0;
assoc_req->secinfo.WPA2enabled = 0;
}
updated = 1;
break;
default:
ret = -EOPNOTSUPP;
break;
}
out:
if (ret == 0) {
if (updated)
set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
wlan_postpone_association_work(priv);
} else if (ret != -EOPNOTSUPP) {
wlan_cancel_association_work(priv);
}
mutex_unlock(&adapter->lock);
LEAVE();
return ret;
}
static int wlan_get_auth(struct net_device *dev,
struct iw_request_info *info,
struct iw_param *dwrq,
char *extra)
{
wlan_private *priv = dev->priv;
wlan_adapter *adapter = priv->adapter;
ENTER();
switch (dwrq->flags & IW_AUTH_INDEX) {
case IW_AUTH_WPA_VERSION:
dwrq->value = 0;
if (adapter->secinfo.WPAenabled)
dwrq->value |= IW_AUTH_WPA_VERSION_WPA;
if (adapter->secinfo.WPA2enabled)
dwrq->value |= IW_AUTH_WPA_VERSION_WPA2;
if (!dwrq->value)
dwrq->value |= IW_AUTH_WPA_VERSION_DISABLED;
break;
case IW_AUTH_DROP_UNENCRYPTED:
dwrq->value = 0;
if (adapter->currentpacketfilter &
cmd_act_mac_strict_protection_enable)
dwrq->value = 1;
break;
case IW_AUTH_80211_AUTH_ALG:
dwrq->value = adapter->secinfo.auth_mode;
break;
case IW_AUTH_WPA_ENABLED:
if (adapter->secinfo.WPAenabled && adapter->secinfo.WPA2enabled)
dwrq->value = 1;
break;
default:
LEAVE();
return -EOPNOTSUPP;
}
LEAVE();
return 0;
}
static int wlan_set_txpow(struct net_device *dev, struct iw_request_info *info,
struct iw_param *vwrq, char *extra)
{
int ret = 0;
wlan_private *priv = dev->priv;
wlan_adapter *adapter = priv->adapter;
u16 dbm;
ENTER();
if (vwrq->disabled) {
wlan_radio_ioctl(priv, RADIO_OFF);
return 0;
}
adapter->preamble = cmd_type_auto_preamble;
wlan_radio_ioctl(priv, RADIO_ON);
if ((vwrq->flags & IW_TXPOW_TYPE) == IW_TXPOW_MWATT) {
dbm = (u16) mw_to_dbm(vwrq->value);
} else
dbm = (u16) vwrq->value;
/* auto tx power control */
if (vwrq->fixed == 0)
dbm = 0xffff;
lbs_pr_debug(1, "<1>TXPOWER SET %d dbm.\n", dbm);
ret = libertas_prepare_and_send_command(priv,
cmd_802_11_rf_tx_power,
cmd_act_tx_power_opt_set_low,
cmd_option_waitforrsp, 0, (void *)&dbm);
LEAVE();
return ret;
}
static int wlan_get_essid(struct net_device *dev, struct iw_request_info *info,
struct iw_point *dwrq, char *extra)
{
wlan_private *priv = dev->priv;
wlan_adapter *adapter = priv->adapter;
ENTER();
/*
* Note : if dwrq->flags != 0, we should get the relevant SSID from
* the SSID list...
*/
/*
* Get the current SSID
*/
if (adapter->connect_status == libertas_connected) {
memcpy(extra, adapter->curbssparams.ssid.ssid,
adapter->curbssparams.ssid.ssidlength);
extra[adapter->curbssparams.ssid.ssidlength] = '\0';
} else {
memset(extra, 0, 32);
extra[adapter->curbssparams.ssid.ssidlength] = '\0';
}
/*
* If none, we may want to get the one that was set
*/
/* To make the driver backward compatible with WPA supplicant v0.2.4 */
if (dwrq->length == 32) /* check with WPA supplicant buffer size */
dwrq->length = min_t(size_t, adapter->curbssparams.ssid.ssidlength,
IW_ESSID_MAX_SIZE);
else
dwrq->length = adapter->curbssparams.ssid.ssidlength + 1;
dwrq->flags = 1; /* active */
LEAVE();
return 0;
}
static int wlan_set_essid(struct net_device *dev, struct iw_request_info *info,
struct iw_point *dwrq, char *extra)
{
wlan_private *priv = dev->priv;
wlan_adapter *adapter = priv->adapter;
int ret = 0;
struct WLAN_802_11_SSID ssid;
struct assoc_request * assoc_req;
int ssid_len = dwrq->length;
ENTER();
/*
* WE-20 and earlier NULL pad the end of the SSID and increment
* SSID length so it can be used like a string. WE-21 and later don't,
* but some userspace tools aren't able to cope with the change.
*/
if ((ssid_len > 0) && (extra[ssid_len - 1] == '\0'))
ssid_len--;
/* Check the size of the string */
if (ssid_len > IW_ESSID_MAX_SIZE) {
ret = -E2BIG;
goto out;
}
memset(&ssid, 0, sizeof(struct WLAN_802_11_SSID));
if (!dwrq->flags || !ssid_len) {
/* "any" SSID requested; leave SSID blank */
} else {
/* Specific SSID requested */
memcpy(&ssid.ssid, extra, ssid_len);
ssid.ssidlength = ssid_len;
}
lbs_pr_debug(1, "Requested new SSID = %s\n",
(ssid.ssidlength > 0) ? (char *)ssid.ssid : "any");
out:
mutex_lock(&adapter->lock);
if (ret == 0) {
/* Get or create the current association request */
assoc_req = wlan_get_association_request(adapter);
if (!assoc_req) {
ret = -ENOMEM;
} else {
/* Copy the SSID to the association request */
memcpy(&assoc_req->ssid, &ssid, sizeof(struct WLAN_802_11_SSID));
set_bit(ASSOC_FLAG_SSID, &assoc_req->flags);
wlan_postpone_association_work(priv);
}
}
/* Cancel the association request if there was an error */
if (ret != 0) {
wlan_cancel_association_work(priv);
}
mutex_unlock(&adapter->lock);
LEAVE();
return ret;
}
/**
* @brief Connect to the AP or Ad-hoc Network with specific bssid
*
* @param dev A pointer to net_device structure
* @param info A pointer to iw_request_info structure
* @param awrq A pointer to iw_param structure
* @param extra A pointer to extra data buf
* @return 0 --success, otherwise fail
*/
static int wlan_set_wap(struct net_device *dev, struct iw_request_info *info,
struct sockaddr *awrq, char *extra)
{
wlan_private *priv = dev->priv;
wlan_adapter *adapter = priv->adapter;
struct assoc_request * assoc_req;
int ret = 0;
ENTER();
if (awrq->sa_family != ARPHRD_ETHER)
return -EINVAL;
lbs_pr_debug(1, "ASSOC: WAP: sa_data: " MAC_FMT "\n", MAC_ARG(awrq->sa_data));
mutex_lock(&adapter->lock);
/* Get or create the current association request */
assoc_req = wlan_get_association_request(adapter);
if (!assoc_req) {
wlan_cancel_association_work(priv);
ret = -ENOMEM;
} else {
/* Copy the BSSID to the association request */
memcpy(&assoc_req->bssid, awrq->sa_data, ETH_ALEN);
set_bit(ASSOC_FLAG_BSSID, &assoc_req->flags);
wlan_postpone_association_work(priv);
}
mutex_unlock(&adapter->lock);
return ret;
}
void libertas_get_fwversion(wlan_adapter * adapter, char *fwversion, int maxlen)
{
union {
u32 l;
u8 c[4];
} ver;
char fwver[32];
mutex_lock(&adapter->lock);
ver.l = adapter->fwreleasenumber;
mutex_unlock(&adapter->lock);
if (ver.c[3] == 0)
sprintf(fwver, "%u.%u.%u", ver.c[2], ver.c[1], ver.c[0]);
else
sprintf(fwver, "%u.%u.%u.p%u",
ver.c[2], ver.c[1], ver.c[0], ver.c[3]);
snprintf(fwversion, maxlen, fwver);
}
/*
* iwconfig settable callbacks
*/
static const iw_handler wlan_handler[] = {
(iw_handler) NULL, /* SIOCSIWCOMMIT */
(iw_handler) wlan_get_name, /* SIOCGIWNAME */
(iw_handler) NULL, /* SIOCSIWNWID */
(iw_handler) NULL, /* SIOCGIWNWID */
(iw_handler) wlan_set_freq, /* SIOCSIWFREQ */
(iw_handler) wlan_get_freq, /* SIOCGIWFREQ */
(iw_handler) wlan_set_mode, /* SIOCSIWMODE */
(iw_handler) wlan_get_mode, /* SIOCGIWMODE */
(iw_handler) NULL, /* SIOCSIWSENS */
(iw_handler) NULL, /* SIOCGIWSENS */
(iw_handler) NULL, /* SIOCSIWRANGE */
(iw_handler) wlan_get_range, /* SIOCGIWRANGE */
(iw_handler) NULL, /* SIOCSIWPRIV */
(iw_handler) NULL, /* SIOCGIWPRIV */
(iw_handler) NULL, /* SIOCSIWSTATS */
(iw_handler) NULL, /* SIOCGIWSTATS */
iw_handler_set_spy, /* SIOCSIWSPY */
iw_handler_get_spy, /* SIOCGIWSPY */
iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
(iw_handler) wlan_set_wap, /* SIOCSIWAP */
(iw_handler) wlan_get_wap, /* SIOCGIWAP */
(iw_handler) NULL, /* SIOCSIWMLME */
(iw_handler) NULL, /* SIOCGIWAPLIST - deprecated */
(iw_handler) libertas_set_scan, /* SIOCSIWSCAN */
(iw_handler) libertas_get_scan, /* SIOCGIWSCAN */
(iw_handler) wlan_set_essid, /* SIOCSIWESSID */
(iw_handler) wlan_get_essid, /* SIOCGIWESSID */
(iw_handler) wlan_set_nick, /* SIOCSIWNICKN */
(iw_handler) wlan_get_nick, /* SIOCGIWNICKN */
(iw_handler) NULL, /* -- hole -- */
(iw_handler) NULL, /* -- hole -- */
(iw_handler) wlan_set_rate, /* SIOCSIWRATE */
(iw_handler) wlan_get_rate, /* SIOCGIWRATE */
(iw_handler) wlan_set_rts, /* SIOCSIWRTS */
(iw_handler) wlan_get_rts, /* SIOCGIWRTS */
(iw_handler) wlan_set_frag, /* SIOCSIWFRAG */
(iw_handler) wlan_get_frag, /* SIOCGIWFRAG */
(iw_handler) wlan_set_txpow, /* SIOCSIWTXPOW */
(iw_handler) wlan_get_txpow, /* SIOCGIWTXPOW */
(iw_handler) wlan_set_retry, /* SIOCSIWRETRY */
(iw_handler) wlan_get_retry, /* SIOCGIWRETRY */
(iw_handler) wlan_set_encode, /* SIOCSIWENCODE */
(iw_handler) wlan_get_encode, /* SIOCGIWENCODE */
(iw_handler) wlan_set_power, /* SIOCSIWPOWER */
(iw_handler) wlan_get_power, /* SIOCGIWPOWER */
(iw_handler) NULL, /* -- hole -- */
(iw_handler) NULL, /* -- hole -- */
(iw_handler) wlan_set_genie, /* SIOCSIWGENIE */
(iw_handler) wlan_get_genie, /* SIOCGIWGENIE */
(iw_handler) wlan_set_auth, /* SIOCSIWAUTH */
(iw_handler) wlan_get_auth, /* SIOCGIWAUTH */
(iw_handler) wlan_set_encodeext,/* SIOCSIWENCODEEXT */
(iw_handler) wlan_get_encodeext,/* SIOCGIWENCODEEXT */
(iw_handler) NULL, /* SIOCSIWPMKSA */
};
struct iw_handler_def libertas_handler_def = {
.num_standard = sizeof(wlan_handler) / sizeof(iw_handler),
.num_private = sizeof(wlan_private_handler) / sizeof(iw_handler),
.num_private_args = sizeof(wlan_private_args) /
sizeof(struct iw_priv_args),
.standard = (iw_handler *) wlan_handler,
.private = (iw_handler *) wlan_private_handler,
.private_args = (struct iw_priv_args *)wlan_private_args,
.get_wireless_stats = wlan_get_wireless_stats,
};