mac80211: power management wext hooks
This patch implements the power management routines wireless extensions
for mac80211.
For now we only support switching PS mode between on and off.
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 656442c..9672a04 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -407,11 +407,13 @@
* @IEEE80211_CONF_SHORT_SLOT_TIME: use 802.11g short slot time
* @IEEE80211_CONF_RADIOTAP: add radiotap header at receive time (if supported)
* @IEEE80211_CONF_SUPPORT_HT_MODE: use 802.11n HT capabilities (if supported)
+ * @IEEE80211_CONF_PS: Enable 802.11 power save mode
*/
enum ieee80211_conf_flags {
IEEE80211_CONF_SHORT_SLOT_TIME = (1<<0),
IEEE80211_CONF_RADIOTAP = (1<<1),
IEEE80211_CONF_SUPPORT_HT_MODE = (1<<2),
+ IEEE80211_CONF_PS = (1<<3),
};
/**
diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c
index 736c32e..207971e 100644
--- a/net/mac80211/wext.c
+++ b/net/mac80211/wext.c
@@ -1009,6 +1009,45 @@
return 0;
}
+static int ieee80211_ioctl_siwpower(struct net_device *dev,
+ struct iw_request_info *info,
+ struct iw_param *wrq,
+ char *extra)
+{
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_conf *conf = &local->hw.conf;
+
+ if (wrq->disabled) {
+ conf->flags &= ~IEEE80211_CONF_PS;
+ return ieee80211_hw_config(local);
+ }
+
+ switch (wrq->flags & IW_POWER_MODE) {
+ case IW_POWER_ON: /* If not specified */
+ case IW_POWER_MODE: /* If set all mask */
+ case IW_POWER_ALL_R: /* If explicitely state all */
+ conf->flags |= IEEE80211_CONF_PS;
+ break;
+ default: /* Otherwise we don't support it */
+ return -EINVAL;
+ }
+
+ return ieee80211_hw_config(local);
+}
+
+static int ieee80211_ioctl_giwpower(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_conf *conf = &local->hw.conf;
+
+ wrqu->power.disabled = !(conf->flags & IEEE80211_CONF_PS);
+
+ return 0;
+}
+
static int ieee80211_ioctl_siwauth(struct net_device *dev,
struct iw_request_info *info,
struct iw_param *data, char *extra)
@@ -1211,8 +1250,8 @@
(iw_handler) ieee80211_ioctl_giwretry, /* SIOCGIWRETRY */
(iw_handler) ieee80211_ioctl_siwencode, /* SIOCSIWENCODE */
(iw_handler) ieee80211_ioctl_giwencode, /* SIOCGIWENCODE */
- (iw_handler) NULL, /* SIOCSIWPOWER */
- (iw_handler) NULL, /* SIOCGIWPOWER */
+ (iw_handler) ieee80211_ioctl_siwpower, /* SIOCSIWPOWER */
+ (iw_handler) ieee80211_ioctl_giwpower, /* SIOCGIWPOWER */
(iw_handler) NULL, /* -- hole -- */
(iw_handler) NULL, /* -- hole -- */
(iw_handler) ieee80211_ioctl_siwgenie, /* SIOCSIWGENIE */