mq_push
mq_push(&peer->p_stage_queue, m);
if (mq_push(&peer->p_stage_queue, m) != 0)
if (mq_push(&la->la_mq, m) != 0)
if (mq_push(&ln->ln_mq, m) != 0)
int mq_push(struct mbuf_queue *, struct mbuf *);