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path: root/drivers/net/wireless/libertas/wext.c
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Diffstat (limited to 'drivers/net/wireless/libertas/wext.c')
-rw-r--r--drivers/net/wireless/libertas/wext.c363
1 files changed, 214 insertions, 149 deletions
diff --git a/drivers/net/wireless/libertas/wext.c b/drivers/net/wireless/libertas/wext.c
index 8b3ed77860b3..82c3e5a50ea6 100644
--- a/drivers/net/wireless/libertas/wext.c
+++ b/drivers/net/wireless/libertas/wext.c
@@ -30,6 +30,14 @@ static inline void lbs_postpone_association_work(struct lbs_private *priv)
queue_delayed_work(priv->work_thread, &priv->assoc_work, HZ / 2);
}
+static inline void lbs_do_association_work(struct lbs_private *priv)
+{
+ if (priv->surpriseremoved)
+ return;
+ cancel_delayed_work(&priv->assoc_work);
+ queue_delayed_work(priv->work_thread, &priv->assoc_work, 0);
+}
+
static inline void lbs_cancel_association_work(struct lbs_private *priv)
{
cancel_delayed_work(&priv->assoc_work);
@@ -120,34 +128,6 @@ static struct chan_freq_power *find_cfp_by_band_and_freq(
return cfp;
}
-
-/**
- * @brief Set Radio On/OFF
- *
- * @param priv A pointer to struct lbs_private structure
- * @option Radio Option
- * @return 0 --success, otherwise fail
- */
-static int lbs_radio_ioctl(struct lbs_private *priv, u8 option)
-{
- int ret = 0;
-
- lbs_deb_enter(LBS_DEB_WEXT);
-
- if (priv->radioon != option) {
- lbs_deb_wext("switching radio %s\n", option ? "on" : "off");
- priv->radioon = option;
-
- ret = lbs_prepare_and_send_command(priv,
- CMD_802_11_RADIO_CONTROL,
- CMD_ACT_SET,
- CMD_OPTION_WAITFORRSP, 0, NULL);
- }
-
- lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
- return ret;
-}
-
/**
* @brief Copy active data rates based on adapter mode and status
*
@@ -294,21 +274,17 @@ static int lbs_set_rts(struct net_device *dev, struct iw_request_info *info,
{
int ret = 0;
struct lbs_private *priv = dev->priv;
- u32 rthr = vwrq->value;
+ u32 val = vwrq->value;
lbs_deb_enter(LBS_DEB_WEXT);
- if (vwrq->disabled) {
- priv->rtsthsd = rthr = MRVDRV_RTS_MAX_VALUE;
- } else {
- if (rthr < MRVDRV_RTS_MIN_VALUE || rthr > MRVDRV_RTS_MAX_VALUE)
- return -EINVAL;
- priv->rtsthsd = rthr;
- }
+ if (vwrq->disabled)
+ val = MRVDRV_RTS_MAX_VALUE;
+
+ if (val > MRVDRV_RTS_MAX_VALUE) /* min rts value is 0 */
+ return -EINVAL;
- ret = lbs_prepare_and_send_command(priv, CMD_802_11_SNMP_MIB,
- CMD_ACT_SET, CMD_OPTION_WAITFORRSP,
- OID_802_11_RTS_THRESHOLD, &rthr);
+ ret = lbs_set_snmp_mib(priv, SNMP_MIB_OID_RTS_THRESHOLD, (u16) val);
lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
return ret;
@@ -317,21 +293,18 @@ static int lbs_set_rts(struct net_device *dev, struct iw_request_info *info,
static int lbs_get_rts(struct net_device *dev, struct iw_request_info *info,
struct iw_param *vwrq, char *extra)
{
- int ret = 0;
struct lbs_private *priv = dev->priv;
+ int ret = 0;
+ u16 val = 0;
lbs_deb_enter(LBS_DEB_WEXT);
- priv->rtsthsd = 0;
- ret = lbs_prepare_and_send_command(priv, CMD_802_11_SNMP_MIB,
- CMD_ACT_GET, CMD_OPTION_WAITFORRSP,
- OID_802_11_RTS_THRESHOLD, NULL);
+ ret = lbs_get_snmp_mib(priv, SNMP_MIB_OID_RTS_THRESHOLD, &val);
if (ret)
goto out;
- vwrq->value = priv->rtsthsd;
- vwrq->disabled = ((vwrq->value < MRVDRV_RTS_MIN_VALUE)
- || (vwrq->value > MRVDRV_RTS_MAX_VALUE));
+ vwrq->value = val;
+ vwrq->disabled = val > MRVDRV_RTS_MAX_VALUE; /* min rts value is 0 */
vwrq->fixed = 1;
out:
@@ -342,24 +315,19 @@ out:
static int lbs_set_frag(struct net_device *dev, struct iw_request_info *info,
struct iw_param *vwrq, char *extra)
{
- int ret = 0;
- u32 fthr = vwrq->value;
struct lbs_private *priv = dev->priv;
+ int ret = 0;
+ u32 val = vwrq->value;
lbs_deb_enter(LBS_DEB_WEXT);
- if (vwrq->disabled) {
- priv->fragthsd = fthr = MRVDRV_FRAG_MAX_VALUE;
- } else {
- if (fthr < MRVDRV_FRAG_MIN_VALUE
- || fthr > MRVDRV_FRAG_MAX_VALUE)
- return -EINVAL;
- priv->fragthsd = fthr;
- }
+ if (vwrq->disabled)
+ val = MRVDRV_FRAG_MAX_VALUE;
+
+ if (val < MRVDRV_FRAG_MIN_VALUE || val > MRVDRV_FRAG_MAX_VALUE)
+ return -EINVAL;
- ret = lbs_prepare_and_send_command(priv, CMD_802_11_SNMP_MIB,
- CMD_ACT_SET, CMD_OPTION_WAITFORRSP,
- OID_802_11_FRAGMENTATION_THRESHOLD, &fthr);
+ ret = lbs_set_snmp_mib(priv, SNMP_MIB_OID_FRAG_THRESHOLD, (u16) val);
lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
return ret;
@@ -368,22 +336,19 @@ static int lbs_set_frag(struct net_device *dev, struct iw_request_info *info,
static int lbs_get_frag(struct net_device *dev, struct iw_request_info *info,
struct iw_param *vwrq, char *extra)
{
- int ret = 0;
struct lbs_private *priv = dev->priv;
+ int ret = 0;
+ u16 val = 0;
lbs_deb_enter(LBS_DEB_WEXT);
- priv->fragthsd = 0;
- ret = lbs_prepare_and_send_command(priv,
- CMD_802_11_SNMP_MIB,
- CMD_ACT_GET, CMD_OPTION_WAITFORRSP,
- OID_802_11_FRAGMENTATION_THRESHOLD, NULL);
+ ret = lbs_get_snmp_mib(priv, SNMP_MIB_OID_FRAG_THRESHOLD, &val);
if (ret)
goto out;
- vwrq->value = priv->fragthsd;
- vwrq->disabled = ((vwrq->value < MRVDRV_FRAG_MIN_VALUE)
- || (vwrq->value > MRVDRV_FRAG_MAX_VALUE));
+ vwrq->value = val;
+ vwrq->disabled = ((val < MRVDRV_FRAG_MIN_VALUE)
+ || (val > MRVDRV_FRAG_MAX_VALUE));
vwrq->fixed = 1;
out:
@@ -410,7 +375,7 @@ static int mesh_wlan_get_mode(struct net_device *dev,
{
lbs_deb_enter(LBS_DEB_WEXT);
- *uwrq = IW_MODE_REPEAT ;
+ *uwrq = IW_MODE_REPEAT;
lbs_deb_leave(LBS_DEB_WEXT);
return 0;
@@ -420,28 +385,30 @@ static int lbs_get_txpow(struct net_device *dev,
struct iw_request_info *info,
struct iw_param *vwrq, char *extra)
{
- int ret = 0;
struct lbs_private *priv = dev->priv;
+ s16 curlevel = 0;
+ int ret = 0;
lbs_deb_enter(LBS_DEB_WEXT);
- ret = lbs_prepare_and_send_command(priv,
- CMD_802_11_RF_TX_POWER,
- CMD_ACT_TX_POWER_OPT_GET,
- CMD_OPTION_WAITFORRSP, 0, NULL);
+ if (!priv->radio_on) {
+ lbs_deb_wext("tx power off\n");
+ vwrq->value = 0;
+ vwrq->disabled = 1;
+ goto out;
+ }
+ ret = lbs_get_tx_power(priv, &curlevel, NULL, NULL);
if (ret)
goto out;
- lbs_deb_wext("tx power level %d dbm\n", priv->txpowerlevel);
- vwrq->value = priv->txpowerlevel;
+ lbs_deb_wext("tx power level %d dbm\n", curlevel);
+ priv->txpower_cur = curlevel;
+
+ vwrq->value = curlevel;
vwrq->fixed = 1;
- if (priv->radioon) {
- vwrq->disabled = 0;
- vwrq->flags = IW_TXPOW_DBM;
- } else {
- vwrq->disabled = 1;
- }
+ vwrq->disabled = 0;
+ vwrq->flags = IW_TXPOW_DBM;
out:
lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
@@ -451,31 +418,44 @@ out:
static int lbs_set_retry(struct net_device *dev, struct iw_request_info *info,
struct iw_param *vwrq, char *extra)
{
- int ret = 0;
struct lbs_private *priv = dev->priv;
+ int ret = 0;
+ u16 slimit = 0, llimit = 0;
lbs_deb_enter(LBS_DEB_WEXT);
- if (vwrq->flags == IW_RETRY_LIMIT) {
- /* The MAC has a 4-bit Total_Tx_Count register
- Total_Tx_Count = 1 + Tx_Retry_Count */
+ if ((vwrq->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
+ return -EOPNOTSUPP;
+
+ /* 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;
+ if (vwrq->value < TX_RETRY_MIN || vwrq->value > TX_RETRY_MAX)
+ return -EINVAL;
- /* Adding 1 to convert retry count to try count */
- priv->txretrycount = vwrq->value + 1;
+ /* Add 1 to convert retry count to try count */
+ if (vwrq->flags & IW_RETRY_SHORT)
+ slimit = (u16) (vwrq->value + 1);
+ else if (vwrq->flags & IW_RETRY_LONG)
+ llimit = (u16) (vwrq->value + 1);
+ else
+ slimit = llimit = (u16) (vwrq->value + 1); /* set both */
- ret = lbs_prepare_and_send_command(priv, CMD_802_11_SNMP_MIB,
- CMD_ACT_SET,
- CMD_OPTION_WAITFORRSP,
- OID_802_11_TX_RETRYCOUNT, NULL);
+ if (llimit) {
+ ret = lbs_set_snmp_mib(priv, SNMP_MIB_OID_LONG_RETRY_LIMIT,
+ llimit);
+ if (ret)
+ goto out;
+ }
+ if (slimit) {
+ /* txretrycount follows the short retry limit */
+ priv->txretrycount = slimit;
+ ret = lbs_set_snmp_mib(priv, SNMP_MIB_OID_SHORT_RETRY_LIMIT,
+ slimit);
if (ret)
goto out;
- } else {
- return -EOPNOTSUPP;
}
out:
@@ -488,22 +468,30 @@ static int lbs_get_retry(struct net_device *dev, struct iw_request_info *info,
{
struct lbs_private *priv = dev->priv;
int ret = 0;
+ u16 val = 0;
lbs_deb_enter(LBS_DEB_WEXT);
- priv->txretrycount = 0;
- ret = lbs_prepare_and_send_command(priv,
- CMD_802_11_SNMP_MIB,
- CMD_ACT_GET, CMD_OPTION_WAITFORRSP,
- OID_802_11_TX_RETRYCOUNT, NULL);
- if (ret)
- goto out;
-
vwrq->disabled = 0;
- if (!vwrq->flags) {
- vwrq->flags = IW_RETRY_LIMIT;
+
+ if (vwrq->flags & IW_RETRY_LONG) {
+ ret = lbs_get_snmp_mib(priv, SNMP_MIB_OID_LONG_RETRY_LIMIT, &val);
+ if (ret)
+ goto out;
+
+ /* Subtract 1 to convert try count to retry count */
+ vwrq->value = val - 1;
+ vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
+ } else {
+ ret = lbs_get_snmp_mib(priv, SNMP_MIB_OID_SHORT_RETRY_LIMIT, &val);
+ if (ret)
+ goto out;
+
+ /* txretry count follows the short retry limit */
+ priv->txretrycount = val;
/* Subtract 1 to convert try count to retry count */
- vwrq->value = priv->txretrycount - 1;
+ vwrq->value = val - 1;
+ vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_SHORT;
}
out:
@@ -693,22 +681,12 @@ static int lbs_get_range(struct net_device *dev, struct iw_request_info *info,
range->sensitivity = 0;
- /*
- * Setup the supported power level ranges
- */
+ /* 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->txpower_capa = IW_TXPOW_DBM | IW_TXPOW_RANGE;
+ range->txpower[0] = priv->txpower_min;
+ range->txpower[1] = priv->txpower_max;
+ range->num_txpower = 2;
range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
IW_EVENT_CAPA_MASK(SIOCGIWAP) |
@@ -998,9 +976,11 @@ static int lbs_mesh_set_freq(struct net_device *dev,
if (fwrq->m != priv->curbssparams.channel) {
lbs_deb_wext("mesh channel change forces eth disconnect\n");
if (priv->mode == IW_MODE_INFRA)
- lbs_send_deauthentication(priv);
+ lbs_cmd_80211_deauthenticate(priv,
+ priv->curbssparams.bssid,
+ WLAN_REASON_DEAUTH_LEAVING);
else if (priv->mode == IW_MODE_ADHOC)
- lbs_stop_adhoc_network(priv);
+ lbs_adhoc_stop(priv);
}
lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, fwrq->m);
lbs_update_channel(priv);
@@ -1045,6 +1025,18 @@ static int lbs_set_rate(struct net_device *dev, struct iw_request_info *info,
new_rate);
goto out;
}
+ if (priv->fwrelease < 0x09000000) {
+ ret = lbs_set_power_adapt_cfg(priv, 0,
+ POW_ADAPT_DEFAULT_P0,
+ POW_ADAPT_DEFAULT_P1,
+ POW_ADAPT_DEFAULT_P2);
+ if (ret)
+ goto out;
+ }
+ ret = lbs_set_tpc_cfg(priv, 0, TPC_DEFAULT_P0, TPC_DEFAULT_P1,
+ TPC_DEFAULT_P2, 1);
+ if (ret)
+ goto out;
}
/* Try the newer command first (Firmware Spec 5.1 and above) */
@@ -1612,12 +1604,26 @@ static int lbs_set_encodeext(struct net_device *dev,
set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
}
- disable_wep (assoc_req);
+ /* Only disable wep if necessary: can't waste time here. */
+ if (priv->mac_control & CMD_ACT_MAC_WEP_ENABLE)
+ disable_wep(assoc_req);
}
out:
if (ret == 0) {
- lbs_postpone_association_work(priv);
+ /* 802.1x and WPA rekeying must happen as quickly as possible,
+ * especially during the 4-way handshake; thus if in
+ * infrastructure mode, and either (a) 802.1x is enabled or
+ * (b) WPA is being used, set the key right away.
+ */
+ if (assoc_req->mode == IW_MODE_INFRA &&
+ ((assoc_req->secinfo.key_mgmt & IW_AUTH_KEY_MGMT_802_1X) ||
+ (assoc_req->secinfo.key_mgmt & IW_AUTH_KEY_MGMT_PSK) ||
+ assoc_req->secinfo.WPAenabled ||
+ assoc_req->secinfo.WPA2enabled)) {
+ lbs_do_association_work(priv);
+ } else
+ lbs_postpone_association_work(priv);
} else {
lbs_cancel_association_work(priv);
}
@@ -1725,13 +1731,17 @@ static int lbs_set_auth(struct net_device *dev,
case IW_AUTH_TKIP_COUNTERMEASURES:
case IW_AUTH_CIPHER_PAIRWISE:
case IW_AUTH_CIPHER_GROUP:
- case IW_AUTH_KEY_MGMT:
case IW_AUTH_DROP_UNENCRYPTED:
/*
* libertas does not use these parameters
*/
break;
+ case IW_AUTH_KEY_MGMT:
+ assoc_req->secinfo.key_mgmt = dwrq->value;
+ updated = 1;
+ break;
+
case IW_AUTH_WPA_VERSION:
if (dwrq->value & IW_AUTH_WPA_VERSION_DISABLED) {
assoc_req->secinfo.WPAenabled = 0;
@@ -1811,6 +1821,10 @@ static int lbs_get_auth(struct net_device *dev,
lbs_deb_enter(LBS_DEB_WEXT);
switch (dwrq->flags & IW_AUTH_INDEX) {
+ case IW_AUTH_KEY_MGMT:
+ dwrq->value = priv->secinfo.key_mgmt;
+ break;
+
case IW_AUTH_WPA_VERSION:
dwrq->value = 0;
if (priv->secinfo.WPAenabled)
@@ -1844,39 +1858,77 @@ static int lbs_set_txpow(struct net_device *dev, struct iw_request_info *info,
{
int ret = 0;
struct lbs_private *priv = dev->priv;
-
- u16 dbm;
+ s16 dbm = (s16) vwrq->value;
lbs_deb_enter(LBS_DEB_WEXT);
if (vwrq->disabled) {
- lbs_radio_ioctl(priv, RADIO_OFF);
- return 0;
+ lbs_set_radio(priv, RADIO_PREAMBLE_AUTO, 0);
+ goto out;
}
- priv->preamble = CMD_TYPE_AUTO_PREAMBLE;
-
- lbs_radio_ioctl(priv, RADIO_ON);
+ if (vwrq->fixed == 0) {
+ /* User requests automatic tx power control, however there are
+ * many auto tx settings. For now use firmware defaults until
+ * we come up with a good way to expose these to the user. */
+ if (priv->fwrelease < 0x09000000) {
+ ret = lbs_set_power_adapt_cfg(priv, 1,
+ POW_ADAPT_DEFAULT_P0,
+ POW_ADAPT_DEFAULT_P1,
+ POW_ADAPT_DEFAULT_P2);
+ if (ret)
+ goto out;
+ }
+ ret = lbs_set_tpc_cfg(priv, 0, TPC_DEFAULT_P0, TPC_DEFAULT_P1,
+ TPC_DEFAULT_P2, 1);
+ if (ret)
+ goto out;
+ dbm = priv->txpower_max;
+ } else {
+ /* Userspace check in iwrange if it should use dBm or mW,
+ * therefore this should never happen... Jean II */
+ if ((vwrq->flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM) {
+ ret = -EOPNOTSUPP;
+ goto out;
+ }
- /* Userspace check in iwrange if it should use dBm or mW,
- * therefore this should never happen... Jean II */
- if ((vwrq->flags & IW_TXPOW_TYPE) == IW_TXPOW_MWATT) {
- return -EOPNOTSUPP;
- } else
- dbm = (u16) vwrq->value;
+ /* Validate requested power level against firmware allowed
+ * levels */
+ if (priv->txpower_min && (dbm < priv->txpower_min)) {
+ ret = -EINVAL;
+ goto out;
+ }
- /* auto tx power control */
+ if (priv->txpower_max && (dbm > priv->txpower_max)) {
+ ret = -EINVAL;
+ goto out;
+ }
+ if (priv->fwrelease < 0x09000000) {
+ ret = lbs_set_power_adapt_cfg(priv, 0,
+ POW_ADAPT_DEFAULT_P0,
+ POW_ADAPT_DEFAULT_P1,
+ POW_ADAPT_DEFAULT_P2);
+ if (ret)
+ goto out;
+ }
+ ret = lbs_set_tpc_cfg(priv, 0, TPC_DEFAULT_P0, TPC_DEFAULT_P1,
+ TPC_DEFAULT_P2, 1);
+ if (ret)
+ goto out;
+ }
- if (vwrq->fixed == 0)
- dbm = 0xffff;
+ /* If the radio was off, turn it on */
+ if (!priv->radio_on) {
+ ret = lbs_set_radio(priv, RADIO_PREAMBLE_AUTO, 1);
+ if (ret)
+ goto out;
+ }
- lbs_deb_wext("txpower set %d dbm\n", dbm);
+ lbs_deb_wext("txpower set %d dBm\n", dbm);
- ret = lbs_prepare_and_send_command(priv,
- CMD_802_11_RF_TX_POWER,
- CMD_ACT_TX_POWER_OPT_SET_LOW,
- CMD_OPTION_WAITFORRSP, 0, (void *)&dbm);
+ ret = lbs_set_tx_power(priv, dbm);
+out:
lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
return ret;
}
@@ -1928,6 +1980,11 @@ static int lbs_set_essid(struct net_device *dev, struct iw_request_info *info,
lbs_deb_enter(LBS_DEB_WEXT);
+ if (!priv->radio_on) {
+ ret = -EINVAL;
+ goto out;
+ }
+
/* Check the size of the string */
if (in_ssid_len > IW_ESSID_MAX_SIZE) {
ret = -E2BIG;
@@ -2005,6 +2062,11 @@ static int lbs_mesh_set_essid(struct net_device *dev,
lbs_deb_enter(LBS_DEB_WEXT);
+ if (!priv->radio_on) {
+ ret = -EINVAL;
+ goto out;
+ }
+
/* Check the size of the string */
if (dwrq->length > IW_ESSID_MAX_SIZE) {
ret = -E2BIG;
@@ -2046,6 +2108,9 @@ static int lbs_set_wap(struct net_device *dev, struct iw_request_info *info,
lbs_deb_enter(LBS_DEB_WEXT);
+ if (!priv->radio_on)
+ return -EINVAL;
+
if (awrq->sa_family != ARPHRD_ETHER)
return -EINVAL;