int common_rmt_enqueue_scheduling_policy_tx(struct rmt_ps *ps,
struct rmt_n1_port *n1_port,
struct pdu *pdu)
{
struct rmt_kqueue *q;
struct rmt_qgroup *qg;
struct rmt_ps_common_data *data = ps->priv;
if (!ps || !n1_port || !pdu) {
LOG_ERR("Wrong input parameters");
return -1;
}
qg = rmt_qgroup_find(data->outqs, n1_port->port_id);
if (!qg) {
LOG_ERR("Could not find queue group for n1_port %u",
n1_port->port_id);
pdu_destroy(pdu);
return -1;
}
q = rmt_kqueue_find(qg, 0);
if (!q) {
LOG_ERR("Could not find queue in the group for n1_port %u",
n1_port->port_id);
pdu_destroy(pdu);
return -1;
}
rfifo_push_ni(q->queue, pdu);
return 0;
}
static int
default_rmt_enqueue_scheduling_policy_tx(struct rmt_ps * ps,
struct rmt_n1_port * n1_port,
struct pdu * pdu)
{
struct rmt_kqueue * q;
struct rmt_qgroup * qg;
struct rmt_ps_data * data = ps->priv;
if (!ps || !n1_port || !pdu) {
LOG_ERR("Wrong input parameters for "
"rmt_enqueu_scheduling_policy_tx");
return -1;
}
/* NOTE: The policy is called with the n1_port lock taken */
qg = rmt_qgroup_find(data->outqs, n1_port->port_id);
if (!qg) {
LOG_ERR("Could not find queue group for n1_port %u",
n1_port->port_id);
pdu_destroy(pdu);
return -1;
}
q = rmt_kqueue_find(qg, 0);
if (!qg) {
LOG_ERR("Could not find queue in the group for n1_port %u",
n1_port->port_id);
pdu_destroy(pdu);
return -1;
}
rfifo_push_ni(q->queue, pdu);
return 0;
}
static int cas_rmt_enqueue_policy(struct rmt_ps *ps,
struct rmt_n1_port *port,
struct du *du,
bool must_enqueue)
{
struct cas_rmt_queue * q;
struct cas_rmt_ps_data * data;
ssize_t cur_qlen;
struct reg_cycle_t * prev_cycle, * cur_cycle;
data = ps->priv;
q = port->rmt_ps_queues;
if (!q) {
LOG_ERR("Monitoring: could not find CAS queue for N-1 port %u",
port->port_id);
return RMT_PS_ENQ_ERR;
}
cur_qlen = rfifo_length(q->queue);
if (cur_qlen >= data->q_max) {
du_destroy(du);
return RMT_PS_ENQ_DROP;
}
prev_cycle = &q->reg_cycles.prev_cycle;
cur_cycle = &q->reg_cycles.cur_cycle;
if (update_cycles(prev_cycle, cur_cycle, cur_qlen, true)) {
du_destroy(du);
return RMT_PS_ENQ_ERR;
}
LOG_DBG("The length for N-1 port %u just calculated is: %lu",
port->port_id, cur_cycle->avg_len);
if (cur_cycle->avg_len >= 1)
if (mark_pdu(du))
return RMT_PS_ENQ_ERR;
if (!must_enqueue && rfifo_is_empty(q->queue))
return RMT_PS_ENQ_SEND;
rfifo_push_ni(q->queue, du);
return RMT_PS_ENQ_SCHED;
}
