ipw2100_switch_mode
err = ipw2100_switch_mode(priv, IW_MODE_MONITOR);
err = ipw2100_switch_mode(priv, IW_MODE_ADHOC);
err = ipw2100_switch_mode(priv, IW_MODE_INFRA);
err = ipw2100_switch_mode(priv, IW_MODE_MONITOR);
err = ipw2100_switch_mode(priv, priv->last_mode);