doc: use code snippets in sample app guides

[dpdk.git] / examples / l2fwd-event / l2fwd_event.c

diff --git a/examples/l2fwd-event/l2fwd_event.c b/examples/l2fwd-event/l2fwd_event.c
index 38d590c..7ba5311 100644 (file)
--- a/examples/l2fwd-event/l2fwd_event.c
+++ b/examples/l2fwd-event/l2fwd_event.c
@@ -66,6 +66,7 @@ l2fwd_event_service_setup(struct l2fwd_resources *rsrc)
        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,
@@ -74,7 +75,9 @@ l2fwd_event_service_setup(struct l2fwd_resources *rsrc)
                        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);
@@ -104,6 +107,7 @@ l2fwd_event_service_setup(struct l2fwd_resources *rsrc)
                                  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
@@ -244,7 +248,7 @@ l2fwd_event_loop_burst(struct l2fwd_resources *rsrc,
                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)
@@ -254,14 +258,17 @@ l2fwd_event_loop_burst(struct l2fwd_resources *rsrc,
                        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) {