doc: use code snippets in sample app guides

[dpdk.git] / examples / l3fwd-graph / main.c

diff --git a/examples/l3fwd-graph/main.c b/examples/l3fwd-graph/main.c
index 75c2e0e..a0de8ca 100644 (file)
--- a/examples/l3fwd-graph/main.c
+++ b/examples/l3fwd-graph/main.c
@@ -691,7 +691,7 @@ print_stats(void)
        rte_graph_cluster_stats_destroy(stats);
 }
 
-/* Main processing loop */
+/* Main processing loop. 8< */
 static int
 graph_main_loop(void *conf)
 {
@@ -720,12 +720,14 @@ graph_main_loop(void *conf)
 
        return 0;
 }
+/* >8 End of main processing loop. */
 
 int
 main(int argc, char **argv)
 {
        /* Rewrite data of src and dst ether addr */
        uint8_t rewrite_data[2 * sizeof(struct rte_ether_addr)];
+       /* Graph initialization. 8< */
        static const char * const default_patterns[] = {
                "ip4*",
                "ethdev_tx-*",
@@ -782,7 +784,7 @@ main(int argc, char **argv)
        nb_ports = rte_eth_dev_count_avail();
        nb_lcores = rte_lcore_count();
 
-       /* Initialize all ports */
+       /* Initialize all ports. 8< */
        RTE_ETH_FOREACH_DEV(portid)
        {
                struct rte_eth_conf local_port_conf = port_conf;
@@ -962,6 +964,7 @@ main(int argc, char **argv)
 
        /* Ethdev node config, skip rx queue mapping */
        ret = rte_node_eth_config(ethdev_conf, nb_conf, nb_graphs);
+       /* >8 End of graph creation. */
        if (ret)
                rte_exit(EXIT_FAILURE, "rte_node_eth_config: err=%d\n", ret);
 
@@ -1037,6 +1040,7 @@ main(int argc, char **argv)
 
                qconf->graph_id = graph_id;
                qconf->graph = rte_graph_lookup(qconf->name);
+               /* >8 End of graph initialization. */
                if (!qconf->graph)
                        rte_exit(EXIT_FAILURE,
                                 "rte_graph_lookup(): graph %s not found\n",
@@ -1046,7 +1050,7 @@ main(int argc, char **argv)
        memset(&rewrite_data, 0, sizeof(rewrite_data));
        rewrite_len = sizeof(rewrite_data);
 
-       /* Add route to ip4 graph infra */
+       /* Add route to ip4 graph infra. 8< */
        for (i = 0; i < IPV4_L3FWD_LPM_NUM_ROUTES; i++) {
                char route_str[INET6_ADDRSTRLEN * 4];
                char abuf[INET6_ADDRSTRLEN];
@@ -1090,6 +1094,7 @@ main(int argc, char **argv)
                RTE_LOG(INFO, L3FWD_GRAPH, "Added route %s, next_hop %u\n",
                        route_str, i);
        }
+       /* >8 End of adding route to ip4 graph infa. */
 
        /* Launch per-lcore init on every worker lcore */
        rte_eal_mp_remote_launch(graph_main_loop, NULL, SKIP_MAIN);