diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/libertas/wext.c | 120 |
1 files changed, 27 insertions, 93 deletions
diff --git a/drivers/net/wireless/libertas/wext.c b/drivers/net/wireless/libertas/wext.c index 1fb0f91e538..15395bf0a2a 100644 --- a/drivers/net/wireless/libertas/wext.c +++ b/drivers/net/wireless/libertas/wext.c @@ -22,52 +22,6 @@ /** - * @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 @@ -199,28 +153,11 @@ static void copy_active_data_rates(wlan_adapter * adapter, u8 * rates) 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; lbs_deb_enter(LBS_DEB_WEXT); - 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'; + /* We could add support for 802.11n here as needed. Jean II */ + snprintf(cwrq, IFNAMSIZ, "IEEE 802.11b/g"); lbs_deb_leave(LBS_DEB_WEXT); return 0; @@ -300,29 +237,37 @@ static int wlan_set_nick(struct net_device *dev, struct iw_request_info *info, 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; + const char *cp; + char comm[6] = { "COMM-" }; + char mrvl[6] = { "MRVL-" }; + int cnt; lbs_deb_enter(LBS_DEB_WEXT); /* - * Get the Nick Name saved + * Nick Name is not used internally in this mode, + * therefore return something useful instead. Jean II */ - mutex_lock(&adapter->lock); - strncpy(extra, adapter->nodename, 16); - mutex_unlock(&adapter->lock); + strcpy(extra, mrvl); - extra[16] = '\0'; + 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; - /* - * If none, we may want to get the one that was set - */ + cnt = strlen(mrvl); + extra += cnt; + while (cnt < 16 && (*cp != '-')) { + *extra++ = toupper(*cp++); + cnt++; + } /* * Push it out ! */ - dwrq->length = strlen(extra) + 1; + dwrq->length = cnt; lbs_deb_leave(LBS_DEB_WEXT); return 0; @@ -341,12 +286,12 @@ static int mesh_get_nick(struct net_device *dev, struct iw_request_info *info, if (adapter->connect_status == LIBERTAS_CONNECTED) { strncpy(extra, "Mesh", 12); extra[12] = '\0'; - dwrq->length = strlen(extra) + 1; + dwrq->length = strlen(extra); } else { extra[0] = '\0'; - dwrq->length = 1 ; + dwrq->length = 0; } lbs_deb_leave(LBS_DEB_WEXT); @@ -1897,8 +1842,10 @@ static int wlan_set_txpow(struct net_device *dev, struct iw_request_info *info, wlan_radio_ioctl(priv, RADIO_ON); + /* 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) { - dbm = (u16) mw_to_dbm(vwrq->value); + return -EOPNOTSUPP; } else dbm = (u16) vwrq->value; @@ -1946,12 +1893,7 @@ static int wlan_get_essid(struct net_device *dev, struct iw_request_info *info, * 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_len, - IW_ESSID_MAX_SIZE); - else - dwrq->length = adapter->curbssparams.ssid_len + 1; + dwrq->length = adapter->curbssparams.ssid_len; dwrq->flags = 1; /* active */ @@ -1972,14 +1914,6 @@ static int wlan_set_essid(struct net_device *dev, struct iw_request_info *info, lbs_deb_enter(LBS_DEB_WEXT); - /* - * 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 ((in_ssid_len > 0) && (extra[in_ssid_len - 1] == '\0')) - in_ssid_len--; - /* Check the size of the string */ if (in_ssid_len > IW_ESSID_MAX_SIZE) { ret = -E2BIG; |