summaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/mwifiex/sta_ioctl.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/mwifiex/sta_ioctl.c')
-rw-r--r--drivers/net/wireless/mwifiex/sta_ioctl.c290
1 files changed, 7 insertions, 283 deletions
diff --git a/drivers/net/wireless/mwifiex/sta_ioctl.c b/drivers/net/wireless/mwifiex/sta_ioctl.c
index 106c449477b..fb2136089a2 100644
--- a/drivers/net/wireless/mwifiex/sta_ioctl.c
+++ b/drivers/net/wireless/mwifiex/sta_ioctl.c
@@ -66,9 +66,6 @@ int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter)
dev_dbg(adapter->dev, "cmd pending\n");
atomic_inc(&adapter->cmd_pending);
- /* Status pending, wake up main process */
- queue_work(adapter->workqueue, &adapter->main_work);
-
/* Wait for completion */
wait_event_interruptible(adapter->cmd_wait_q.wait,
*(cmd_queued->condition));
@@ -500,297 +497,24 @@ int mwifiex_disable_auto_ds(struct mwifiex_private *priv)
EXPORT_SYMBOL_GPL(mwifiex_disable_auto_ds);
/*
- * IOCTL request handler to set/get active channel.
- *
- * This function performs validity checking on channel/frequency
- * compatibility and returns failure if not valid.
- */
-int mwifiex_bss_set_channel(struct mwifiex_private *priv,
- struct mwifiex_chan_freq_power *chan)
-{
- struct mwifiex_adapter *adapter = priv->adapter;
- struct mwifiex_chan_freq_power *cfp = NULL;
-
- if (!chan)
- return -1;
-
- if (!chan->channel && !chan->freq)
- return -1;
- if (adapter->adhoc_start_band & BAND_AN)
- adapter->adhoc_start_band = BAND_G | BAND_B | BAND_GN;
- else if (adapter->adhoc_start_band & BAND_A)
- adapter->adhoc_start_band = BAND_G | BAND_B;
- if (chan->channel) {
- if (chan->channel <= MAX_CHANNEL_BAND_BG)
- cfp = mwifiex_get_cfp(priv, 0, (u16) chan->channel, 0);
- if (!cfp) {
- cfp = mwifiex_get_cfp(priv, BAND_A,
- (u16) chan->channel, 0);
- if (cfp) {
- if (adapter->adhoc_11n_enabled)
- adapter->adhoc_start_band = BAND_A
- | BAND_AN;
- else
- adapter->adhoc_start_band = BAND_A;
- }
- }
- } else {
- if (chan->freq <= MAX_FREQUENCY_BAND_BG)
- cfp = mwifiex_get_cfp(priv, 0, 0, chan->freq);
- if (!cfp) {
- cfp = mwifiex_get_cfp(priv, BAND_A, 0, chan->freq);
- if (cfp) {
- if (adapter->adhoc_11n_enabled)
- adapter->adhoc_start_band = BAND_A
- | BAND_AN;
- else
- adapter->adhoc_start_band = BAND_A;
- }
- }
- }
- if (!cfp || !cfp->channel) {
- dev_err(adapter->dev, "invalid channel/freq\n");
- return -1;
- }
- priv->adhoc_channel = (u8) cfp->channel;
- chan->channel = cfp->channel;
- chan->freq = cfp->freq;
-
- return 0;
-}
-
-/*
- * IOCTL request handler to set/get Ad-Hoc channel.
- *
- * This function prepares the correct firmware command and
- * issues it to set or get the ad-hoc channel.
- */
-static int mwifiex_bss_ioctl_ibss_channel(struct mwifiex_private *priv,
- u16 action, u16 *channel)
-{
- if (action == HostCmd_ACT_GEN_GET) {
- if (!priv->media_connected) {
- *channel = priv->adhoc_channel;
- return 0;
- }
- } else {
- priv->adhoc_channel = (u8) *channel;
- }
-
- return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_RF_CHANNEL,
- action, 0, channel);
-}
-
-/*
- * IOCTL request handler to change Ad-Hoc channel.
- *
- * This function allocates the IOCTL request buffer, fills it
- * with requisite parameters and calls the IOCTL handler.
- *
- * The function follows the following steps to perform the change -
- * - Get current IBSS information
- * - Get current channel
- * - If no change is required, return
- * - If not connected, change channel and return
- * - If connected,
- * - Disconnect
- * - Change channel
- * - Perform specific SSID scan with same SSID
- * - Start/Join the IBSS
- */
-int
-mwifiex_drv_change_adhoc_chan(struct mwifiex_private *priv, u16 channel)
-{
- int ret;
- struct mwifiex_bss_info bss_info;
- struct mwifiex_ssid_bssid ssid_bssid;
- u16 curr_chan = 0;
- struct cfg80211_bss *bss = NULL;
- struct ieee80211_channel *chan;
- enum ieee80211_band band;
-
- memset(&bss_info, 0, sizeof(bss_info));
-
- /* Get BSS information */
- if (mwifiex_get_bss_info(priv, &bss_info))
- return -1;
-
- /* Get current channel */
- ret = mwifiex_bss_ioctl_ibss_channel(priv, HostCmd_ACT_GEN_GET,
- &curr_chan);
-
- if (curr_chan == channel) {
- ret = 0;
- goto done;
- }
- dev_dbg(priv->adapter->dev, "cmd: updating channel from %d to %d\n",
- curr_chan, channel);
-
- if (!bss_info.media_connected) {
- ret = 0;
- goto done;
- }
-
- /* Do disonnect */
- memset(&ssid_bssid, 0, ETH_ALEN);
- ret = mwifiex_deauthenticate(priv, ssid_bssid.bssid);
-
- ret = mwifiex_bss_ioctl_ibss_channel(priv, HostCmd_ACT_GEN_SET,
- &channel);
-
- /* Do specific SSID scanning */
- if (mwifiex_request_scan(priv, &bss_info.ssid)) {
- ret = -1;
- goto done;
- }
-
- band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
- chan = __ieee80211_get_channel(priv->wdev->wiphy,
- ieee80211_channel_to_frequency(channel,
- band));
-
- /* Find the BSS we want using available scan results */
- bss = cfg80211_get_bss(priv->wdev->wiphy, chan, bss_info.bssid,
- bss_info.ssid.ssid, bss_info.ssid.ssid_len,
- WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
- if (!bss)
- wiphy_warn(priv->wdev->wiphy, "assoc: bss %pM not in scan results\n",
- bss_info.bssid);
-
- ret = mwifiex_bss_start(priv, bss, &bss_info.ssid);
-done:
- return ret;
-}
-
-/*
- * IOCTL request handler to get rate.
- *
- * This function prepares the correct firmware command and
- * issues it to get the current rate if it is connected,
- * otherwise, the function returns the lowest supported rate
- * for the band.
- */
-static int mwifiex_rate_ioctl_get_rate_value(struct mwifiex_private *priv,
- struct mwifiex_rate_cfg *rate_cfg)
-{
- rate_cfg->is_rate_auto = priv->is_data_rate_auto;
- return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_TX_RATE_QUERY,
- HostCmd_ACT_GEN_GET, 0, NULL);
-}
-
-/*
- * IOCTL request handler to set rate.
- *
- * This function prepares the correct firmware command and
- * issues it to set the current rate.
- *
- * The function also performs validation checking on the supplied value.
- */
-static int mwifiex_rate_ioctl_set_rate_value(struct mwifiex_private *priv,
- struct mwifiex_rate_cfg *rate_cfg)
-{
- u8 rates[MWIFIEX_SUPPORTED_RATES];
- u8 *rate;
- int rate_index, ret;
- u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
- u32 i;
- struct mwifiex_adapter *adapter = priv->adapter;
-
- if (rate_cfg->is_rate_auto) {
- memset(bitmap_rates, 0, sizeof(bitmap_rates));
- /* Support all HR/DSSS rates */
- bitmap_rates[0] = 0x000F;
- /* Support all OFDM rates */
- bitmap_rates[1] = 0x00FF;
- /* Support all HT-MCSs rate */
- for (i = 0; i < ARRAY_SIZE(priv->bitmap_rates) - 3; i++)
- bitmap_rates[i + 2] = 0xFFFF;
- bitmap_rates[9] = 0x3FFF;
- } else {
- memset(rates, 0, sizeof(rates));
- mwifiex_get_active_data_rates(priv, rates);
- rate = rates;
- for (i = 0; (rate[i] && i < MWIFIEX_SUPPORTED_RATES); i++) {
- dev_dbg(adapter->dev, "info: rate=%#x wanted=%#x\n",
- rate[i], rate_cfg->rate);
- if ((rate[i] & 0x7f) == (rate_cfg->rate & 0x7f))
- break;
- }
- if ((i == MWIFIEX_SUPPORTED_RATES) || !rate[i]) {
- dev_err(adapter->dev, "fixed data rate %#x is out "
- "of range\n", rate_cfg->rate);
- return -1;
- }
- memset(bitmap_rates, 0, sizeof(bitmap_rates));
-
- rate_index = mwifiex_data_rate_to_index(rate_cfg->rate);
-
- /* Only allow b/g rates to be set */
- if (rate_index >= MWIFIEX_RATE_INDEX_HRDSSS0 &&
- rate_index <= MWIFIEX_RATE_INDEX_HRDSSS3) {
- bitmap_rates[0] = 1 << rate_index;
- } else {
- rate_index -= 1; /* There is a 0x00 in the table */
- if (rate_index >= MWIFIEX_RATE_INDEX_OFDM0 &&
- rate_index <= MWIFIEX_RATE_INDEX_OFDM7)
- bitmap_rates[1] = 1 << (rate_index -
- MWIFIEX_RATE_INDEX_OFDM0);
- }
- }
-
- ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_TX_RATE_CFG,
- HostCmd_ACT_GEN_SET, 0, bitmap_rates);
-
- return ret;
-}
-
-/*
- * IOCTL request handler to set/get rate.
- *
- * This function can be used to set/get either the rate value or the
- * rate index.
- */
-static int mwifiex_rate_ioctl_cfg(struct mwifiex_private *priv,
- struct mwifiex_rate_cfg *rate_cfg)
-{
- int status;
-
- if (!rate_cfg)
- return -1;
-
- if (rate_cfg->action == HostCmd_ACT_GEN_GET)
- status = mwifiex_rate_ioctl_get_rate_value(priv, rate_cfg);
- else
- status = mwifiex_rate_ioctl_set_rate_value(priv, rate_cfg);
-
- return status;
-}
-
-/*
* Sends IOCTL request to get the data rate.
*
* This function allocates the IOCTL request buffer, fills it
* with requisite parameters and calls the IOCTL handler.
*/
-int mwifiex_drv_get_data_rate(struct mwifiex_private *priv,
- struct mwifiex_rate_cfg *rate)
+int mwifiex_drv_get_data_rate(struct mwifiex_private *priv, u32 *rate)
{
int ret;
- memset(rate, 0, sizeof(struct mwifiex_rate_cfg));
- rate->action = HostCmd_ACT_GEN_GET;
- ret = mwifiex_rate_ioctl_cfg(priv, rate);
+ ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_TX_RATE_QUERY,
+ HostCmd_ACT_GEN_GET, 0, NULL);
if (!ret) {
- if (rate->is_rate_auto)
- rate->rate = mwifiex_index_to_data_rate(priv,
- priv->tx_rate,
- priv->tx_htinfo
- );
+ if (priv->is_data_rate_auto)
+ *rate = mwifiex_index_to_data_rate(priv, priv->tx_rate,
+ priv->tx_htinfo);
else
- rate->rate = priv->data_rate;
- } else {
- ret = -1;
+ *rate = priv->data_rate;
}
return ret;