doc: use code snippets in sample app guides

[dpdk.git] / examples / server_node_efd / node / node.c

diff --git a/examples/server_node_efd/node/node.c b/examples/server_node_efd/node/node.c
index 84f7bcf..4580a44 100644 (file)
--- a/examples/server_node_efd/node/node.c
+++ b/examples/server_node_efd/node/node.c
@@ -189,6 +189,8 @@ configure_output_ports(const struct shared_info *info)
  * the node will handle, which will be used to decide if packet
  * is transmitted or dropped.
  */
+
+/* Creation of hash table. 8< */
 static struct rte_hash *
 create_hash_table(const struct shared_info *info)
 {
@@ -243,6 +245,7 @@ populate_hash_table(const struct rte_hash *h, const struct shared_info *info)
 
        printf("Hash table: Adding 0x%x keys\n", num_flows_node);
 }
+/* >8 End of creation of hash table. */
 
 /*
  * This function performs routing of packets
@@ -263,10 +266,11 @@ transmit_packet(struct rte_mbuf *buf)
 
 }
 
+/* Packets dequeued from the shared ring. 8< */
 static inline void
 handle_packets(struct rte_hash *h, struct rte_mbuf **bufs, uint16_t num_packets)
 {
-       struct ipv4_hdr *ipv4_hdr;
+       struct rte_ipv4_hdr *ipv4_hdr;
        uint32_t ipv4_dst_ip[PKT_READ_SIZE];
        const void *key_ptrs[PKT_READ_SIZE];
        unsigned int i;
@@ -274,8 +278,8 @@ handle_packets(struct rte_hash *h, struct rte_mbuf **bufs, uint16_t num_packets)
 
        for (i = 0; i < num_packets; i++) {
                /* Handle IPv4 header.*/
-               ipv4_hdr = rte_pktmbuf_mtod_offset(bufs[i], struct ipv4_hdr *,
-                               sizeof(struct ether_hdr));
+               ipv4_hdr = rte_pktmbuf_mtod_offset(bufs[i],
+                       struct rte_ipv4_hdr *, sizeof(struct rte_ether_hdr));
                ipv4_dst_ip[i] = ipv4_hdr->dst_addr;
                key_ptrs[i] = &ipv4_dst_ip[i];
        }
@@ -293,6 +297,7 @@ handle_packets(struct rte_hash *h, struct rte_mbuf **bufs, uint16_t num_packets)
                }
        }
 }
+/* >8 End of packets dequeueing. */
 
 /*
  * Application main function - loops through
@@ -320,9 +325,10 @@ main(int argc, char *argv[])
        if (parse_app_args(argc, argv) < 0)
                rte_exit(EXIT_FAILURE, "Invalid command-line arguments\n");
 
-       if (rte_eth_dev_count() == 0)
+       if (rte_eth_dev_count_avail() == 0)
                rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n");
 
+       /* Attaching to the server process memory. 8< */
        rx_ring = rte_ring_lookup(get_rx_queue_name(node_id));
        if (rx_ring == NULL)
                rte_exit(EXIT_FAILURE, "Cannot get RX ring - "
@@ -338,6 +344,7 @@ main(int argc, char *argv[])
        info = mz->addr;
        tx_stats = &(info->tx_stats[node_id]);
        filter_stats = &(info->filter_stats[node_id]);
+       /* >8 End of attaching to the server process memory. */
 
        configure_output_ports(info);
 
@@ -383,4 +390,7 @@ main(int argc, char *argv[])
 
                need_flush = 1;
        }
+
+       /* clean up the EAL */
+       rte_eal_cleanup();
 }