-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2016-2017 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2016-2017 Intel Corporation
*/
#include <stdio.h>
#include <inttypes.h>
#include <sys/queue.h>
#include <errno.h>
+#include <sys/types.h>
+#include <netinet/in.h>
#include <netinet/ip.h>
#include <rte_common.h>
{
static const char err_address[] = "00:00:00:00:00:00";
static char addresses[RTE_MAX_ETHPORTS][sizeof(err_address)];
- struct ether_addr mac;
+ struct rte_ether_addr mac;
+ int ret;
if (unlikely(port >= RTE_MAX_ETHPORTS))
return err_address;
if (unlikely(addresses[port][0] == '\0')) {
- rte_eth_macaddr_get(port, &mac);
+ ret = rte_eth_macaddr_get(port, &mac);
+ if (ret != 0) {
+ printf("Failed to get MAC address (port %u): %s\n",
+ port, rte_strerror(-ret));
+ return err_address;
+ }
+
snprintf(addresses[port], sizeof(addresses[port]),
- "%02x:%02x:%02x:%02x:%02x:%02x\n",
+ RTE_ETHER_ADDR_PRT_FMT "\n",
mac.addr_bytes[0], mac.addr_bytes[1],
mac.addr_bytes[2], mac.addr_bytes[3],
mac.addr_bytes[4], mac.addr_bytes[5]);
/*
* This function displays the recorded statistics for each port
* and for each node. It uses ANSI terminal codes to clear
- * screen when called. It is called from a single non-master
+ * screen when called. It is called from a single worker
* thread in the server process, when the process is run with more
* than one lcore enabled.
*/
+
+/* Display recorded statistics. 8< */
static void
do_stats_display(void)
{
printf("\n");
}
+/* >8 End of displaying the recorded statistics. */
/*
- * The function called from each non-master lcore used by the process.
+ * The function called from each non-main lcore used by the process.
* The test_and_set function is used to randomly pick a single lcore on which
* the code to display the statistics will run. Otherwise, the code just
* repeatedly sleeps.
*/
static int
-sleep_lcore(__attribute__((unused)) void *dummy)
+sleep_lcore(__rte_unused void *dummy)
{
/* Used to pick a display thread - static, so zero-initialised */
static rte_atomic32_t display_stats;
* send a burst of traffic to a node, assuming there are packets
* available to be sent to this node
*/
+
+/* Flush rx queue. 8< */
static void
flush_rx_queue(uint16_t node)
{
cl_rx_buf[node].count = 0;
}
+/* >8 End of sending a burst of traffic to a node. */
/*
* marks a packet down to be sent to a particular node process
/*
* This function takes a group of packets and routes them
* individually to the node process. Very simply round-robins the packets
- * without checking any of the packet contents.
+ * without checking any of the packet contents. 8<
*/
+
+/* Processing packets. 8< */
static void
process_packets(uint32_t port_num __rte_unused, struct rte_mbuf *pkts[],
uint16_t rx_count, unsigned int socket_id)
efd_value_t data[RTE_EFD_BURST_MAX];
const void *key_ptrs[RTE_EFD_BURST_MAX];
- struct ipv4_hdr *ipv4_hdr;
+ struct rte_ipv4_hdr *ipv4_hdr;
uint32_t ipv4_dst_ip[RTE_EFD_BURST_MAX];
for (i = 0; i < rx_count; i++) {
/* Handle IPv4 header.*/
- ipv4_hdr = rte_pktmbuf_mtod_offset(pkts[i], struct ipv4_hdr *,
- sizeof(struct ether_hdr));
+ ipv4_hdr = rte_pktmbuf_mtod_offset(pkts[i],
+ struct rte_ipv4_hdr *, sizeof(struct rte_ether_hdr));
ipv4_dst_ip[i] = ipv4_hdr->dst_addr;
key_ptrs[i] = (void *)&ipv4_dst_ip[i];
}
for (i = 0; i < num_nodes; i++)
flush_rx_queue(i);
}
+/* >8 End of process_packets. */
/*
- * Function called by the master lcore of the DPDK process.
+ * Function called by the main lcore of the DPDK process.
*/
static void
do_packet_forwarding(void)
/* clear statistics */
clear_stats();
- /* put all other cores to sleep bar master */
- rte_eal_mp_remote_launch(sleep_lcore, NULL, SKIP_MASTER);
+ /* put all other cores to sleep except main */
+ rte_eal_mp_remote_launch(sleep_lcore, NULL, SKIP_MAIN);
do_packet_forwarding();
+
+ /* clean up the EAL */
+ rte_eal_cleanup();
+
return 0;
}