diff options
| author | Olivier Hochreutiner <olivier.hochreutiner@epfl.ch> | 2006-03-07 20:13:55 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2006-03-17 21:08:04 +0100 |
| commit | 651be26f2daf31e61faf4b55ada709cf39ec76a2 (patch) | |
| tree | cac9bac812d1ecc1f85bce54a2591cab34752627 /drivers | |
| parent | [PATCH] ipw2200: Enables the "slow diversity" algorithm (diff) | |
| download | linux-651be26f2daf31e61faf4b55ada709cf39ec76a2.tar.xz linux-651be26f2daf31e61faf4b55ada709cf39ec76a2.zip | |
[PATCH] ipw2200: wireless extension sensitivity threshold support
The patch allows the user to set the handover threshold, i.e. the number
of consecutively missed beacons that will trigger a roaming attempt. The
disassociation threshold is set to 3 times the handover threshold.
Signed-off-by: Olivier Hochreutiner <olivier.hochreutiner@epfl.ch>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/ipw2200.c | 48 | ||||
| -rw-r--r-- | drivers/net/wireless/ipw2200.h | 4 |
2 files changed, 51 insertions, 1 deletions
diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c index 954a095eeb51..078f33b01c2f 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 e8f133666c65..2033fc6f1892 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 |