diff options
| -rw-r--r-- | Documentation/networking/README.ipw2200 | 10 | ||||
| -rw-r--r-- | drivers/net/wireless/ipw2200.c | 48 | ||||
| -rw-r--r-- | drivers/net/wireless/ipw2200.h | 4 |
3 files changed, 61 insertions, 1 deletions
diff --git a/Documentation/networking/README.ipw2200 b/Documentation/networking/README.ipw2200 index 712c5681338..c2f693e24c7 100644 --- a/Documentation/networking/README.ipw2200 +++ b/Documentation/networking/README.ipw2200 @@ -30,6 +30,7 @@ Index 2. Ad-Hoc Networking 3. Interacting with Wireless Tools 3.1. iwconfig mode +3.2. iwconfig sens 4. About the Version Numbers 5. Firmware installation 6. Support @@ -383,6 +384,15 @@ When configuring the mode of the adapter, all run-time configured parameters are reset to the value used when the module was loaded. This includes channels, rates, ESSID, etc. +3.2 iwconfig sens +----------------------------------------------- + +The 'iwconfig ethX sens XX' command will not set the signal sensitivity +threshold, as described in iwconfig documentation, but rather the number +of consecutive missed beacons that will trigger handover, i.e. roaming +to another access point. At the same time, it will set the disassociation +threshold to 3 times the given value. + 4. About the Version Numbers ----------------------------------------------- diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c index 954a095eeb5..078f33b01c2 100644 --- a/drivers/net/wireless/ipw2200.c +++ b/drivers/net/wireless/ipw2200.c @@ -8608,6 +8608,52 @@ static int ipw_wx_get_nick(struct net_device *dev, return 0; } +static int ipw_wx_set_sens(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + struct ipw_priv *priv = ieee80211_priv(dev); + int err = 0; + + IPW_DEBUG_WX("Setting roaming threshold to %d\n", wrqu->sens.value); + IPW_DEBUG_WX("Setting disassociate threshold to %d\n", 3*wrqu->sens.value); + mutex_lock(&priv->mutex); + + if (wrqu->sens.fixed == 0) + { + priv->roaming_threshold = IPW_MB_ROAMING_THRESHOLD_DEFAULT; + priv->disassociate_threshold = IPW_MB_DISASSOCIATE_THRESHOLD_DEFAULT; + goto out; + } + if ((wrqu->sens.value > IPW_MB_ROAMING_THRESHOLD_MAX) || + (wrqu->sens.value < IPW_MB_ROAMING_THRESHOLD_MIN)) { + err = -EINVAL; + goto out; + } + + priv->roaming_threshold = wrqu->sens.value; + priv->disassociate_threshold = 3*wrqu->sens.value; + out: + mutex_unlock(&priv->mutex); + return err; +} + +static int ipw_wx_get_sens(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + struct ipw_priv *priv = ieee80211_priv(dev); + mutex_lock(&priv->mutex); + wrqu->sens.fixed = 1; + wrqu->sens.value = priv->roaming_threshold; + mutex_unlock(&priv->mutex); + + IPW_DEBUG_WX("GET roaming threshold -> %s %d \n", + wrqu->power.disabled ? "OFF" : "ON", wrqu->power.value); + + return 0; +} + static int ipw_wx_set_rate(struct net_device *dev, struct iw_request_info *info, union iwreq_data *wrqu, char *extra) @@ -9429,6 +9475,8 @@ static iw_handler ipw_wx_handlers[] = { IW_IOCTL(SIOCGIWFREQ) = ipw_wx_get_freq, IW_IOCTL(SIOCSIWMODE) = ipw_wx_set_mode, IW_IOCTL(SIOCGIWMODE) = ipw_wx_get_mode, + IW_IOCTL(SIOCSIWSENS) = ipw_wx_set_sens, + IW_IOCTL(SIOCGIWSENS) = ipw_wx_get_sens, IW_IOCTL(SIOCGIWRANGE) = ipw_wx_get_range, IW_IOCTL(SIOCSIWAP) = ipw_wx_set_wap, IW_IOCTL(SIOCGIWAP) = ipw_wx_get_wap, diff --git a/drivers/net/wireless/ipw2200.h b/drivers/net/wireless/ipw2200.h index e8f133666c6..2033fc6f189 100644 --- a/drivers/net/wireless/ipw2200.h +++ b/drivers/net/wireless/ipw2200.h @@ -246,8 +246,10 @@ enum connection_manager_assoc_states { #define HOST_NOTIFICATION_S36_MEASUREMENT_REFUSED 31 #define HOST_NOTIFICATION_STATUS_BEACON_MISSING 1 -#define IPW_MB_DISASSOCIATE_THRESHOLD_DEFAULT 24 +#define IPW_MB_ROAMING_THRESHOLD_MIN 1 #define IPW_MB_ROAMING_THRESHOLD_DEFAULT 8 +#define IPW_MB_ROAMING_THRESHOLD_MAX 30 +#define IPW_MB_DISASSOCIATE_THRESHOLD_DEFAULT 3*IPW_MB_ROAMING_THRESHOLD_DEFAULT #define IPW_REAL_RATE_RX_PACKET_THRESHOLD 300 #define MACADRR_BYTE_LEN 6 |