Ok, the previous patch had a little error. -- This patch adds power management support in mac80211. This allows us to enable power management through the "iwconfig <device> power <off/on>" command. The code is based on "mac80211-10.0.0" but it is a little bit modified. Signed-off-by: Miguel Botón <mboton@xxxxxxxxx> diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 5fcc4c1..c82b6fa 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -452,6 +452,8 @@ struct ieee80211_conf { u8 antenna_max; u8 antenna_sel_tx; u8 antenna_sel_rx; + + u8 power_management_enable; /* flag to enable/disable power management */ }; /** diff --git a/net/mac80211/ieee80211_ioctl.c b/net/mac80211/ieee80211_ioctl.c index 6caa3ec..f5eebec 100644 --- a/net/mac80211/ieee80211_ioctl.c +++ b/net/mac80211/ieee80211_ioctl.c @@ -674,6 +687,51 @@ static int ieee80211_ioctl_giwtxpower(struct net_device *dev, return 0; } +static int ieee80211_ioctl_siwpower(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; + + if (wrqu->power.disabled) { + conf->power_management_enable = 0; + if (ieee80211_hw_config(local)) + return -EINVAL; + return 0; + } + + switch (wrqu->power.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 */ + break; + default: /* Otherwise we don't support it */ + return -EINVAL; + } + + conf->power_management_enable = 1; + + if (ieee80211_hw_config(local)) + return -EINVAL; + + return 0; +} + +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->power_management_enable; + + return 0; +} + static int ieee80211_ioctl_siwrts(struct net_device *dev, struct iw_request_info *info, struct iw_param *rts, char *extra) @@ -1111,8 +1166,8 @@ static const iw_handler ieee80211_handler[] = (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 */ -- Miguel Botón - To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html