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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.c196
1 files changed, 134 insertions, 62 deletions
diff --git a/drivers/net/wireless/libertas/wext.c b/drivers/net/wireless/libertas/wext.c
index be837a0d251..a8eb9e1fcf3 100644
--- a/drivers/net/wireless/libertas/wext.c
+++ b/drivers/net/wireless/libertas/wext.c
@@ -45,6 +45,63 @@ static inline void lbs_cancel_association_work(struct lbs_private *priv)
priv->pending_assoc_req = NULL;
}
+void lbs_send_disconnect_notification(struct lbs_private *priv)
+{
+ union iwreq_data wrqu;
+
+ memset(wrqu.ap_addr.sa_data, 0x00, ETH_ALEN);
+ wrqu.ap_addr.sa_family = ARPHRD_ETHER;
+ wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
+}
+
+static void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str)
+{
+ union iwreq_data iwrq;
+ u8 buf[50];
+
+ lbs_deb_enter(LBS_DEB_WEXT);
+
+ memset(&iwrq, 0, sizeof(union iwreq_data));
+ memset(buf, 0, sizeof(buf));
+
+ snprintf(buf, sizeof(buf) - 1, "%s", str);
+
+ iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
+
+ /* Send Event to upper layer */
+ lbs_deb_wext("event indication string %s\n", (char *)buf);
+ lbs_deb_wext("event indication length %d\n", iwrq.data.length);
+ lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str);
+
+ wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf);
+
+ lbs_deb_leave(LBS_DEB_WEXT);
+}
+
+/**
+ * @brief This function handles MIC failure event.
+ *
+ * @param priv A pointer to struct lbs_private structure
+ * @para event the event id
+ * @return n/a
+ */
+void lbs_send_mic_failureevent(struct lbs_private *priv, u32 event)
+{
+ char buf[50];
+
+ lbs_deb_enter(LBS_DEB_CMD);
+ memset(buf, 0, sizeof(buf));
+
+ sprintf(buf, "%s", "MLME-MICHAELMICFAILURE.indication ");
+
+ if (event == MACREG_INT_CODE_MIC_ERR_UNICAST)
+ strcat(buf, "unicast ");
+ else
+ strcat(buf, "multicast ");
+
+ lbs_send_iwevcustom_event(priv, buf);
+ lbs_deb_leave(LBS_DEB_CMD);
+}
/**
* @brief Find the channel frequency power info with specific channel
@@ -66,8 +123,6 @@ struct chan_freq_power *lbs_find_cfp_by_band_and_channel(
for (j = 0; !cfp && (j < ARRAY_SIZE(priv->region_channel)); j++) {
rc = &priv->region_channel[j];
- if (priv->enable11d)
- rc = &priv->universal_channel[j];
if (!rc->valid || !rc->CFP)
continue;
if (rc->band != band)
@@ -107,8 +162,6 @@ static struct chan_freq_power *find_cfp_by_band_and_freq(
for (j = 0; !cfp && (j < ARRAY_SIZE(priv->region_channel)); j++) {
rc = &priv->region_channel[j];
- if (priv->enable11d)
- rc = &priv->universal_channel[j];
if (!rc->valid || !rc->CFP)
continue;
if (rc->band != band)
@@ -169,12 +222,12 @@ static int lbs_get_freq(struct net_device *dev, struct iw_request_info *info,
lbs_deb_enter(LBS_DEB_WEXT);
cfp = lbs_find_cfp_by_band_and_channel(priv, 0,
- priv->curbssparams.channel);
+ priv->channel);
if (!cfp) {
- if (priv->curbssparams.channel)
+ if (priv->channel)
lbs_deb_wext("invalid channel %d\n",
- priv->curbssparams.channel);
+ priv->channel);
return -EINVAL;
}
@@ -547,8 +600,6 @@ static int lbs_get_range(struct net_device *dev, struct iw_request_info *info,
struct chan_freq_power *cfp;
u8 rates[MAX_RATES + 1];
- u8 flag = 0;
-
lbs_deb_enter(LBS_DEB_WEXT);
dwrq->length = sizeof(struct iw_range);
@@ -570,52 +621,21 @@ static int lbs_get_range(struct net_device *dev, struct iw_request_info *info,
range->scan_capa = IW_SCAN_CAPA_ESSID;
- if (priv->enable11d &&
- (priv->connect_status == LBS_CONNECTED ||
- priv->mesh_connect_status == LBS_CONNECTED)) {
- u8 chan_no;
- u8 band;
-
- struct parsed_region_chan_11d *parsed_region_chan =
- &priv->parsed_region_chan;
-
- if (parsed_region_chan == NULL) {
- lbs_deb_wext("11d: parsed_region_chan is NULL\n");
- goto out;
- }
- band = parsed_region_chan->band;
- lbs_deb_wext("band %d, nr_char %d\n", band,
- parsed_region_chan->nr_chan);
-
+ for (j = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
+ && (j < ARRAY_SIZE(priv->region_channel)); j++) {
+ cfp = priv->region_channel[j].CFP;
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_deb_wext("chan_no %d\n", chan_no);
- range->freq[range->num_frequency].i = (long)chan_no;
+ && priv->region_channel[j].valid
+ && cfp
+ && (i < priv->region_channel[j].nrcfp); i++) {
+ range->freq[range->num_frequency].i =
+ (long)cfp->channel;
range->freq[range->num_frequency].m =
- (long)lbs_chan_2_freq(chan_no) * 100000;
+ (long)cfp->freq * 100000;
range->freq[range->num_frequency].e = 1;
+ cfp++;
range->num_frequency++;
}
- flag = 1;
- }
- if (!flag) {
- for (j = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
- && (j < ARRAY_SIZE(priv->region_channel)); j++) {
- cfp = priv->region_channel[j].CFP;
- for (i = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
- && priv->region_channel[j].valid
- && cfp
- && (i < priv->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_deb_wext("IW_MAX_FREQUENCIES %d, num_frequency %d\n",
@@ -700,7 +720,6 @@ static int lbs_get_range(struct net_device *dev, struct iw_request_info *info,
| IW_ENC_CAPA_CIPHER_CCMP;
}
-out:
lbs_deb_leave(LBS_DEB_WEXT);
return 0;
}
@@ -709,6 +728,7 @@ static int lbs_set_power(struct net_device *dev, struct iw_request_info *info,
struct iw_param *vwrq, char *extra)
{
struct lbs_private *priv = dev->ml_priv;
+ int ret = 0;
lbs_deb_enter(LBS_DEB_WEXT);
@@ -737,8 +757,54 @@ static int lbs_set_power(struct net_device *dev, struct iw_request_info *info,
"setting power timeout is not supported\n");
return -EINVAL;
} else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
- lbs_deb_wext("setting power period not supported\n");
- return -EINVAL;
+ vwrq->value = vwrq->value / 1000;
+ if (!priv->enter_deep_sleep) {
+ lbs_pr_err("deep sleep feature is not implemented "
+ "for this interface driver\n");
+ return -EINVAL;
+ }
+
+ if (priv->connect_status == LBS_CONNECTED) {
+ if ((priv->is_auto_deep_sleep_enabled) &&
+ (vwrq->value == -1000)) {
+ lbs_exit_auto_deep_sleep(priv);
+ return 0;
+ } else {
+ lbs_pr_err("can't use deep sleep cmd in "
+ "connected state\n");
+ return -EINVAL;
+ }
+ }
+
+ if ((vwrq->value < 0) && (vwrq->value != -1000)) {
+ lbs_pr_err("unknown option\n");
+ return -EINVAL;
+ }
+
+ if (vwrq->value > 0) {
+ if (!priv->is_auto_deep_sleep_enabled) {
+ priv->is_activity_detected = 0;
+ priv->auto_deep_sleep_timeout = vwrq->value;
+ lbs_enter_auto_deep_sleep(priv);
+ } else {
+ priv->auto_deep_sleep_timeout = vwrq->value;
+ lbs_deb_debugfs("auto deep sleep: "
+ "already enabled\n");
+ }
+ return 0;
+ } else {
+ if (priv->is_auto_deep_sleep_enabled) {
+ lbs_exit_auto_deep_sleep(priv);
+ /* Try to exit deep sleep if auto */
+ /*deep sleep disabled */
+ ret = lbs_set_deep_sleep(priv, 0);
+ }
+ if (vwrq->value == 0)
+ ret = lbs_set_deep_sleep(priv, 1);
+ else if (vwrq->value == -1000)
+ ret = lbs_set_deep_sleep(priv, 0);
+ return ret;
+ }
}
if (priv->psmode != LBS802_11POWERMODECAM) {
@@ -752,6 +818,7 @@ static int lbs_set_power(struct net_device *dev, struct iw_request_info *info,
}
lbs_deb_leave(LBS_DEB_WEXT);
+
return 0;
}
@@ -785,7 +852,7 @@ static struct iw_statistics *lbs_get_wireless_stats(struct net_device *dev)
u32 rssi_qual;
u32 tx_qual;
u32 quality = 0;
- int stats_valid = 0;
+ int ret, stats_valid = 0;
u8 rssi;
u32 tx_retries;
struct cmd_ds_802_11_get_log log;
@@ -834,7 +901,9 @@ static struct iw_statistics *lbs_get_wireless_stats(struct net_device *dev)
memset(&log, 0, sizeof(log));
log.hdr.size = cpu_to_le16(sizeof(log));
- lbs_cmd_with_response(priv, CMD_802_11_GET_LOG, &log);
+ ret = lbs_cmd_with_response(priv, CMD_802_11_GET_LOG, &log);
+ if (ret)
+ goto out;
tx_retries = le32_to_cpu(log.retry);
@@ -862,8 +931,10 @@ static struct iw_statistics *lbs_get_wireless_stats(struct net_device *dev)
stats_valid = 1;
/* update stats asynchronously for future calls */
- lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0,
+ ret = lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0,
0, 0, NULL);
+ if (ret)
+ lbs_pr_err("RSSI command failed\n");
out:
if (!stats_valid) {
priv->wstats.miss.beacon = 0;
@@ -973,7 +1044,7 @@ static int lbs_mesh_set_freq(struct net_device *dev,
goto out;
}
- if (fwrq->m != priv->curbssparams.channel) {
+ if (fwrq->m != priv->channel) {
lbs_deb_wext("mesh channel change forces eth disconnect\n");
if (priv->mode == IW_MODE_INFRA)
lbs_cmd_80211_deauthenticate(priv,
@@ -1000,6 +1071,7 @@ static int lbs_set_rate(struct net_device *dev, struct iw_request_info *info,
u8 rates[MAX_RATES + 1];
lbs_deb_enter(LBS_DEB_WEXT);
+
lbs_deb_wext("vwrq->value %d\n", vwrq->value);
lbs_deb_wext("vwrq->fixed %d\n", vwrq->fixed);
@@ -1975,7 +2047,7 @@ static int lbs_set_essid(struct net_device *dev, struct iw_request_info *info,
{
struct lbs_private *priv = dev->ml_priv;
int ret = 0;
- u8 ssid[IW_ESSID_MAX_SIZE];
+ u8 ssid[IEEE80211_MAX_SSID_LEN];
u8 ssid_len = 0;
struct assoc_request * assoc_req;
int in_ssid_len = dwrq->length;
@@ -1989,7 +2061,7 @@ static int lbs_set_essid(struct net_device *dev, struct iw_request_info *info,
}
/* Check the size of the string */
- if (in_ssid_len > IW_ESSID_MAX_SIZE) {
+ if (in_ssid_len > IEEE80211_MAX_SSID_LEN) {
ret = -E2BIG;
goto out;
}
@@ -2020,7 +2092,7 @@ out:
ret = -ENOMEM;
} else {
/* Copy the SSID to the association request */
- memcpy(&assoc_req->ssid, &ssid, IW_ESSID_MAX_SIZE);
+ memcpy(&assoc_req->ssid, &ssid, IEEE80211_MAX_SSID_LEN);
assoc_req->ssid_len = ssid_len;
set_bit(ASSOC_FLAG_SSID, &assoc_req->flags);
lbs_postpone_association_work(priv);
@@ -2071,7 +2143,7 @@ static int lbs_mesh_set_essid(struct net_device *dev,
}
/* Check the size of the string */
- if (dwrq->length > IW_ESSID_MAX_SIZE) {
+ if (dwrq->length > IEEE80211_MAX_SSID_LEN) {
ret = -E2BIG;
goto out;
}
@@ -2086,7 +2158,7 @@ static int lbs_mesh_set_essid(struct net_device *dev,
}
lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START,
- priv->curbssparams.channel);
+ priv->channel);
out:
lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
return ret;