static int
rr_enqueue(struct dn_sch_inst *_si, struct dn_queue *q, struct mbuf *m)
{
struct rr_si *si;
struct rr_queue *rrq;
if (m != q->mq.head) {
if (dn_enqueue(q, m, 0)) /* packet was dropped */
return 1;
if (m != q->mq.head)
return 0;
}
/* If reach this point, queue q was idle */
si = (struct rr_si *)(_si + 1);
rrq = (struct rr_queue *)q;
if (rrq->status == 1) /* Queue is already in the queue list */
return 0;
/* Insert the queue in the queue list */
rr_append(rrq, si);
return 0;
}
static int
rr_new_queue(struct dn_queue *_q)
{
struct rr_queue *q = (struct rr_queue *)_q;
_q->ni.oid.subtype = DN_SCHED_RR;
q->quantum = _q->fs->fs.par[0] * _q->fs->fs.par[1];
ND("called, q->quantum %d", q->quantum);
q->credit = q->quantum;
q->status = 0;
if (_q->mq.head != NULL) {
/* Queue NOT empty, insert in the queue list */
rr_append(q, (struct rr_si *)(_q->_si + 1));
}
return 0;
}
static int
rr_new_queue(struct dn_queue *_q)
{
struct rr_queue *q = (struct rr_queue *)_q;
uint64_t quantum;
_q->ni.oid.subtype = DN_SCHED_RR;
quantum = (uint64_t)_q->fs->fs.par[0] * _q->fs->fs.par[1];
if (quantum >= (1ULL<< 32)) {
D("quantum too large, truncating to 4G - 1");
quantum = (1ULL<< 32) - 1;
}
q->quantum = quantum;
ND("called, q->quantum %d", q->quantum);
q->credit = q->quantum;
q->status = 0;
if (_q->mq.head != NULL) {
/* Queue NOT empty, insert in the queue list */
rr_append(q, (struct rr_si *)(_q->_si + 1));
}
return 0;
}
