ctrl_xmit
ret = ctrl_xmit(adap, &adap->sge.qs[0].txq[TXQ_CTRL], skb);
return ctrl_xmit(adap, &qs->txq[TXQ_CTRL], skb);
ret = ctrl_xmit(&adap->sge.ctrlq[0], skb);
return ctrl_xmit(&adap->sge.ctrlq[idx], skb);