diff options
Diffstat (limited to 'drivers/net/wireless/libertas/wext.c')
| -rw-r--r-- | drivers/net/wireless/libertas/wext.c | 148 |
1 files changed, 69 insertions, 79 deletions
diff --git a/drivers/net/wireless/libertas/wext.c b/drivers/net/wireless/libertas/wext.c index 8b3ed77860b..426f1fe3bb4 100644 --- a/drivers/net/wireless/libertas/wext.c +++ b/drivers/net/wireless/libertas/wext.c @@ -120,34 +120,6 @@ 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 * @@ -420,28 +392,30 @@ 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); @@ -693,22 +667,12 @@ 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 +962,11 @@ 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); @@ -1844,39 +1810,50 @@ 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) { + /* Auto power control */ + 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 (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 +1905,11 @@ 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 +1987,11 @@ 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 +2033,9 @@ 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; |