#include <stdbool.h>
#include <getopt.h>
-#include <rte_atomic.h>
#include <rte_cycles.h>
#include <rte_ethdev.h>
#include <rte_eventdev.h>
uint32_t service_id, caps;
int ret, i;
+ /* Running eventdev scheduler service on service core. 8< */
rte_event_dev_info_get(evt_rsrc->event_d_id, &evdev_info);
if (!(evdev_info.event_dev_cap & RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED)) {
ret = rte_event_dev_service_id_get(evt_rsrc->event_d_id,
rte_panic("Error in starting eventdev service\n");
l2fwd_event_service_enable(service_id);
}
+ /* >8 End of running eventdev scheduler service on service core. */
+ /* Gets service ID for RX/TX adapters. 8< */
for (i = 0; i < evt_rsrc->rx_adptr.nb_rx_adptr; i++) {
ret = rte_event_eth_rx_adapter_caps_get(evt_rsrc->event_d_id,
evt_rsrc->rx_adptr.rx_adptr[i], &caps);
evt_rsrc->tx_adptr.tx_adptr[i]);
l2fwd_event_service_enable(service_id);
}
+ /* >8 End of get service ID for RX/TX adapters. */
}
static void
rte_lcore_id());
while (!rsrc->force_quit) {
- /* Read packet from eventdev */
+ /* Read packet from eventdev. 8< */
nb_rx = rte_event_dequeue_burst(event_d_id, port_id, ev,
deq_len, 0);
if (nb_rx == 0)
l2fwd_event_fwd(rsrc, &ev[i], tx_q_id, timer_period,
flags);
}
+ /* >8 End of reading packets from eventdev. */
if (flags & L2FWD_EVENT_TX_ENQ) {
+ /* Forwarding to destination ports. 8< */
nb_tx = rte_event_enqueue_burst(event_d_id, port_id,
ev, nb_rx);
while (nb_tx < nb_rx && !rsrc->force_quit)
nb_tx += rte_event_enqueue_burst(event_d_id,
port_id, ev + nb_tx,
nb_rx - nb_tx);
+ /* >8 End of forwarding to destination ports. */
}
if (flags & L2FWD_EVENT_TX_DIRECT) {
L2FWD_EVENT_TX_ENQ | L2FWD_EVENT_BURST);
}
+static __rte_always_inline void
+l2fwd_event_vector_fwd(struct l2fwd_resources *rsrc,
+ struct rte_event_vector *vec,
+ const uint64_t timer_period, const uint32_t flags)
+{
+ struct rte_mbuf **mbufs = vec->mbufs;
+ uint16_t i, j;
+
+ rte_prefetch0(rte_pktmbuf_mtod(mbufs[0], void *));
+
+ /* If vector attribute is valid, mbufs will be from same port/queue */
+ if (vec->attr_valid) {
+ vec->port = rsrc->dst_ports[mbufs[0]->port];
+ if (flags & L2FWD_EVENT_TX_DIRECT)
+ vec->queue = 0;
+
+ if (timer_period > 0)
+ __atomic_fetch_add(&rsrc->port_stats[mbufs[0]->port].rx,
+ vec->nb_elem, __ATOMIC_RELAXED);
+
+ for (i = 0, j = 1; i < vec->nb_elem; i++, j++) {
+ if (j < vec->nb_elem)
+ rte_prefetch0(
+ rte_pktmbuf_mtod(mbufs[j], void *));
+
+ if (flags & L2FWD_EVENT_UPDT_MAC)
+ l2fwd_mac_updating(
+ mbufs[i], vec->port,
+ &rsrc->eth_addr[vec->port]);
+ }
+
+ if (timer_period > 0)
+ __atomic_fetch_add(&rsrc->port_stats[vec->port].tx,
+ vec->nb_elem, __ATOMIC_RELAXED);
+ } else {
+ for (i = 0, j = 1; i < vec->nb_elem; i++, j++) {
+ if (timer_period > 0)
+ __atomic_fetch_add(
+ &rsrc->port_stats[mbufs[i]->port].rx, 1,
+ __ATOMIC_RELAXED);
+
+ if (j < vec->nb_elem)
+ rte_prefetch0(
+ rte_pktmbuf_mtod(mbufs[j], void *));
+
+ mbufs[i]->port = rsrc->dst_ports[mbufs[i]->port];
+
+ if (flags & L2FWD_EVENT_UPDT_MAC)
+ l2fwd_mac_updating(
+ mbufs[i], mbufs[i]->port,
+ &rsrc->eth_addr[mbufs[i]->port]);
+
+ if (flags & L2FWD_EVENT_TX_DIRECT)
+ rte_event_eth_tx_adapter_txq_set(mbufs[i], 0);
+
+ if (timer_period > 0)
+ __atomic_fetch_add(
+ &rsrc->port_stats[mbufs[i]->port].tx, 1,
+ __ATOMIC_RELAXED);
+ }
+ }
+}
+
+static __rte_always_inline void
+l2fwd_event_loop_vector(struct l2fwd_resources *rsrc, const uint32_t flags)
+{
+ struct l2fwd_event_resources *evt_rsrc = rsrc->evt_rsrc;
+ const int port_id = l2fwd_get_free_event_port(evt_rsrc);
+ const uint8_t tx_q_id =
+ evt_rsrc->evq.event_q_id[evt_rsrc->evq.nb_queues - 1];
+ const uint64_t timer_period = rsrc->timer_period;
+ const uint8_t event_d_id = evt_rsrc->event_d_id;
+ const uint8_t deq_len = evt_rsrc->deq_depth;
+ struct rte_event ev[MAX_PKT_BURST];
+ uint16_t nb_rx, nb_tx;
+ uint8_t i;
+
+ if (port_id < 0)
+ return;
+
+ printf("%s(): entering eventdev main loop on lcore %u\n", __func__,
+ rte_lcore_id());
+
+ while (!rsrc->force_quit) {
+ nb_rx = rte_event_dequeue_burst(event_d_id, port_id, ev,
+ deq_len, 0);
+ if (nb_rx == 0)
+ continue;
+
+ for (i = 0; i < nb_rx; i++) {
+ if (flags & L2FWD_EVENT_TX_ENQ) {
+ ev[i].queue_id = tx_q_id;
+ ev[i].op = RTE_EVENT_OP_FORWARD;
+ }
+
+ l2fwd_event_vector_fwd(rsrc, ev[i].vec, timer_period,
+ flags);
+ }
+
+ if (flags & L2FWD_EVENT_TX_ENQ) {
+ nb_tx = rte_event_enqueue_burst(event_d_id, port_id, ev,
+ nb_rx);
+ while (nb_tx < nb_rx && !rsrc->force_quit)
+ nb_tx += rte_event_enqueue_burst(
+ event_d_id, port_id, ev + nb_tx,
+ nb_rx - nb_tx);
+ }
+
+ if (flags & L2FWD_EVENT_TX_DIRECT) {
+ nb_tx = rte_event_eth_tx_adapter_enqueue(
+ event_d_id, port_id, ev, nb_rx, 0);
+ while (nb_tx < nb_rx && !rsrc->force_quit)
+ nb_tx += rte_event_eth_tx_adapter_enqueue(
+ event_d_id, port_id, ev + nb_tx,
+ nb_rx - nb_tx, 0);
+ }
+ }
+}
+
+static void __rte_noinline
+l2fwd_event_main_loop_tx_d_vec(struct l2fwd_resources *rsrc)
+{
+ l2fwd_event_loop_vector(rsrc, L2FWD_EVENT_TX_DIRECT);
+}
+
+static void __rte_noinline
+l2fwd_event_main_loop_tx_d_brst_vec(struct l2fwd_resources *rsrc)
+{
+ l2fwd_event_loop_vector(rsrc, L2FWD_EVENT_TX_DIRECT);
+}
+
+static void __rte_noinline
+l2fwd_event_main_loop_tx_q_vec(struct l2fwd_resources *rsrc)
+{
+ l2fwd_event_loop_vector(rsrc, L2FWD_EVENT_TX_ENQ);
+}
+
+static void __rte_noinline
+l2fwd_event_main_loop_tx_q_brst_vec(struct l2fwd_resources *rsrc)
+{
+ l2fwd_event_loop_vector(rsrc, L2FWD_EVENT_TX_ENQ);
+}
+
+static void __rte_noinline
+l2fwd_event_main_loop_tx_d_mac_vec(struct l2fwd_resources *rsrc)
+{
+ l2fwd_event_loop_vector(rsrc,
+ L2FWD_EVENT_UPDT_MAC | L2FWD_EVENT_TX_DIRECT);
+}
+
+static void __rte_noinline
+l2fwd_event_main_loop_tx_d_brst_mac_vec(struct l2fwd_resources *rsrc)
+{
+ l2fwd_event_loop_vector(rsrc,
+ L2FWD_EVENT_UPDT_MAC | L2FWD_EVENT_TX_DIRECT);
+}
+
+static void __rte_noinline
+l2fwd_event_main_loop_tx_q_mac_vec(struct l2fwd_resources *rsrc)
+{
+ l2fwd_event_loop_vector(rsrc,
+ L2FWD_EVENT_UPDT_MAC | L2FWD_EVENT_TX_ENQ);
+}
+
+static void __rte_noinline
+l2fwd_event_main_loop_tx_q_brst_mac_vec(struct l2fwd_resources *rsrc)
+{
+ l2fwd_event_loop_vector(rsrc,
+ L2FWD_EVENT_UPDT_MAC | L2FWD_EVENT_TX_ENQ);
+}
+
void
l2fwd_event_resource_setup(struct l2fwd_resources *rsrc)
{
/* [MAC_UPDT][TX_MODE][BURST] */
- const event_loop_cb event_loop[2][2][2] = {
- [0][0][0] = l2fwd_event_main_loop_tx_d,
- [0][0][1] = l2fwd_event_main_loop_tx_d_brst,
- [0][1][0] = l2fwd_event_main_loop_tx_q,
- [0][1][1] = l2fwd_event_main_loop_tx_q_brst,
- [1][0][0] = l2fwd_event_main_loop_tx_d_mac,
- [1][0][1] = l2fwd_event_main_loop_tx_d_brst_mac,
- [1][1][0] = l2fwd_event_main_loop_tx_q_mac,
- [1][1][1] = l2fwd_event_main_loop_tx_q_brst_mac,
+ const event_loop_cb event_loop[2][2][2][2] = {
+ [0][0][0][0] = l2fwd_event_main_loop_tx_d,
+ [0][0][0][1] = l2fwd_event_main_loop_tx_d_brst,
+ [0][0][1][0] = l2fwd_event_main_loop_tx_q,
+ [0][0][1][1] = l2fwd_event_main_loop_tx_q_brst,
+ [0][1][0][0] = l2fwd_event_main_loop_tx_d_mac,
+ [0][1][0][1] = l2fwd_event_main_loop_tx_d_brst_mac,
+ [0][1][1][0] = l2fwd_event_main_loop_tx_q_mac,
+ [0][1][1][1] = l2fwd_event_main_loop_tx_q_brst_mac,
+ [1][0][0][0] = l2fwd_event_main_loop_tx_d_vec,
+ [1][0][0][1] = l2fwd_event_main_loop_tx_d_brst_vec,
+ [1][0][1][0] = l2fwd_event_main_loop_tx_q_vec,
+ [1][0][1][1] = l2fwd_event_main_loop_tx_q_brst_vec,
+ [1][1][0][0] = l2fwd_event_main_loop_tx_d_mac_vec,
+ [1][1][0][1] = l2fwd_event_main_loop_tx_d_brst_mac_vec,
+ [1][1][1][0] = l2fwd_event_main_loop_tx_q_mac_vec,
+ [1][1][1][1] = l2fwd_event_main_loop_tx_q_brst_mac_vec,
};
struct l2fwd_event_resources *evt_rsrc;
uint32_t event_queue_cfg;
if (ret < 0)
rte_panic("Error in starting eventdev\n");
- evt_rsrc->ops.l2fwd_event_loop = event_loop
- [rsrc->mac_updating]
- [evt_rsrc->tx_mode_q]
- [evt_rsrc->has_burst];
+ evt_rsrc->ops.l2fwd_event_loop =
+ event_loop[rsrc->evt_vec.enabled][rsrc->mac_updating]
+ [evt_rsrc->tx_mode_q][evt_rsrc->has_burst];
}
git.droids-corp.org / dpdk.git / blobdiff