/**
* functional test for rte_meter_trtcm_color_blind_check
*/
static inline int
tm_test_trtcm_color_blind_check(void)
{
#define TRTCM_BLIND_CHECK_MSG "trtcm_blind_check"
uint64_t time;
struct rte_meter_trtcm tm;
uint64_t hz = rte_get_tsc_hz();
/* Test green */
if(rte_meter_trtcm_config(&tm, &tparams) != 0)
melog(TRTCM_BLIND_CHECK_MSG);
time = rte_get_tsc_cycles() + hz;
if(rte_meter_trtcm_color_blind_check(
&tm, time, TM_TEST_TRTCM_CBS_DF - 1)
!= e_RTE_METER_GREEN)
melog(TRTCM_BLIND_CHECK_MSG" GREEN");
/* Test yellow */
if(rte_meter_trtcm_config(&tm, &tparams) != 0)
melog(TRTCM_BLIND_CHECK_MSG);
time = rte_get_tsc_cycles() + hz;
if(rte_meter_trtcm_color_blind_check(
&tm, time, TM_TEST_TRTCM_CBS_DF + 1)
!= e_RTE_METER_YELLOW)
melog(TRTCM_BLIND_CHECK_MSG" YELLOW");
if(rte_meter_trtcm_config(&tm, &tparams) != 0)
melog(TRTCM_BLIND_CHECK_MSG);
time = rte_get_tsc_cycles() + hz;
if(rte_meter_trtcm_color_blind_check(
&tm, time, TM_TEST_TRTCM_PBS_DF - 1)
!= e_RTE_METER_YELLOW)
melog(TRTCM_BLIND_CHECK_MSG" YELLOW");
/* Test red */
if(rte_meter_trtcm_config(&tm, &tparams) != 0)
melog(TRTCM_BLIND_CHECK_MSG);
time = rte_get_tsc_cycles() + hz;
if(rte_meter_trtcm_color_blind_check(
&tm, time, TM_TEST_TRTCM_PBS_DF + 1)
!= e_RTE_METER_RED)
melog(TRTCM_BLIND_CHECK_MSG" RED");
return 0;
}
/**
* Dequeue mbufs from output queue and send to ethernet port.
* This function is called from I/O (Output) thread.
*/
static inline void
app_lcore_io_tx(struct app_lcore_params_io *lp,
uint32_t n_workers,
uint32_t bsz_rd,
uint32_t bsz_wr) {
uint32_t worker;
for (worker = 0; worker < n_workers; worker ++) {
uint32_t i;
for (i = 0; i < lp->tx.n_nic_ports; i ++) {
uint8_t port = lp->tx.nic_ports[i];
struct rte_ring *ring = lp->tx.rings[port][worker];
struct interface *ifp;
uint32_t n_mbufs, n_pkts;
int ret;
n_mbufs = lp->tx.mbuf_out[port].n_mbufs;
ret = rte_ring_sc_dequeue_burst(ring,
(void **) &lp->tx.mbuf_out[port].array[n_mbufs],
bsz_rd - n_mbufs);
if (unlikely(ret == 0)) {
continue;
}
n_mbufs += (uint32_t)ret;
#if APP_IO_TX_DROP_ALL_PACKETS
{
uint32_t j;
APP_IO_TX_PREFETCH0(lp->tx.mbuf_out[port].array[0]);
APP_IO_TX_PREFETCH0(lp->tx.mbuf_out[port].array[1]);
for (j = 0; j < n_mbufs; j ++) {
if (likely(j < n_mbufs - 2)) {
APP_IO_TX_PREFETCH0(lp->tx.mbuf_out[port].array[j + 2]);
}
rte_pktmbuf_free(lp->tx.mbuf_out[port].array[j]);
}
lp->tx.mbuf_out[port].n_mbufs = 0;
continue;
}
#endif
if (unlikely(n_mbufs < bsz_wr)) {
lp->tx.mbuf_out[port].n_mbufs = n_mbufs;
lp->tx.mbuf_out_flush[port] = 1;
continue;
}
ifp = dpdk_interface_lookup(port);
if (ifp != NULL && ifp->sched_port != NULL) {
struct lagopus_packet *pkt;
struct rte_mbuf *m;
int qidx, color;
for (i = 0; i < n_mbufs; i++) {
m = lp->tx.mbuf_out[port].array[i];
pkt = (struct lagopus_packet *)
(m->buf_addr + APP_DEFAULT_MBUF_LOCALDATA_OFFSET);
if (unlikely(pkt->queue_id != 0)) {
qidx = dpdk_interface_queue_id_to_index(ifp, pkt->queue_id);
color = rte_meter_trtcm_color_blind_check(&ifp->ifqueue.meters[qidx],
rte_rdtsc(),
OS_M_PKTLEN(m));
rte_sched_port_pkt_write(m, 0, 0, 0, qidx, color);
}
}
n_mbufs = rte_sched_port_enqueue(ifp->sched_port,
lp->tx.mbuf_out[port].array,
n_mbufs);
n_mbufs = rte_sched_port_dequeue(ifp->sched_port,
lp->tx.mbuf_out[port].array,
n_mbufs);
}
DPRINTF("send %d pkts\n", n_mbufs);
n_pkts = rte_eth_tx_burst(port,
0,
lp->tx.mbuf_out[port].array,
(uint16_t) n_mbufs);
DPRINTF("sent %d pkts\n", n_pkts);
#if APP_STATS
lp->tx.nic_ports_iters[port] ++;
lp->tx.nic_ports_count[port] += n_pkts;
if (unlikely(lp->tx.nic_ports_iters[port] == APP_STATS)) {
unsigned lcore = rte_lcore_id();
printf("\t\t\tI/O TX %u out (port %u): avg burst size = %.2f\n",
lcore,
(unsigned) port,
((double) lp->tx.nic_ports_count[port]) / ((double)
lp->tx.nic_ports_iters[port]));
lp->tx.nic_ports_iters[port] = 0;
lp->tx.nic_ports_count[port] = 0;
}
#endif
if (unlikely(n_pkts < n_mbufs)) {
uint32_t k;
for (k = n_pkts; k < n_mbufs; k ++) {
struct rte_mbuf *pkt_to_free = lp->tx.mbuf_out[port].array[k];
rte_pktmbuf_free(pkt_to_free);
}
}
lp->tx.mbuf_out[port].n_mbufs = 0;
lp->tx.mbuf_out_flush[port] = 0;
}
}
}
