Running the Application
-----------------------
-To run the example in a ``linuxapp`` environment:
+To run the example in a ``linux`` environment:
.. code-block:: console
- ./build/basicfwd -l 1 -n 4
+ ./<build_dir>/examples/dpdk-skeleton -l 1 -n 4
Refer to *DPDK Getting Started Guide* for general information on running
applications and the Environment Abstraction Layer (EAL) options.
.. code-block:: c
- for (portid = 0; portid < nb_ports; portid++) {
+ RTE_ETH_FOREACH_DEV(portid) {
if (port_init(portid, mbuf_pool) != 0) {
rte_exit(EXIT_FAILURE,
"Cannot init port %" PRIu8 "\n", portid);
{
struct rte_eth_conf port_conf = port_conf_default;
const uint16_t rx_rings = 1, tx_rings = 1;
- struct ether_addr addr;
+ struct rte_ether_addr addr;
int retval;
uint16_t q;
- if (port >= rte_eth_dev_count())
+ if (!rte_eth_dev_is_valid_port(port))
return -1;
/* Configure the Ethernet device. */
return retval;
/* Enable RX in promiscuous mode for the Ethernet device. */
- rte_eth_promiscuous_enable(port);
+ retval = rte_eth_promiscuous_enable(port);
+ if (retval != 0)
+ return retval;
return 0;
}
.. code-block:: c
static const struct rte_eth_conf port_conf_default = {
- .rxmode = { .max_rx_pkt_len = ETHER_MAX_LEN }
+ .rxmode = { .max_rx_pkt_len = RTE_ETHER_MAX_LEN }
};
For this example the ports are set up with 1 RX and 1 TX queue using the
.. code-block:: c
- rte_eth_promiscuous_enable(port);
+ retval = rte_eth_promiscuous_enable(port);
The Lcores Main
.. code-block:: c
- static __attribute__((noreturn)) void
+ static __rte_noreturn void
lcore_main(void)
{
- const uint16_t nb_ports = rte_eth_dev_count();
uint16_t port;
/*
* Check that the port is on the same NUMA node as the polling thread
* for best performance.
*/
- for (port = 0; port < nb_ports; port++)
+ RTE_ETH_FOREACH_DEV(port)
if (rte_eth_dev_socket_id(port) > 0 &&
rte_eth_dev_socket_id(port) !=
(int)rte_socket_id())
* Receive packets on a port and forward them on the paired
* port. The mapping is 0 -> 1, 1 -> 0, 2 -> 3, 3 -> 2, etc.
*/
- for (port = 0; port < nb_ports; port++) {
+ RTE_ETH_FOREACH_DEV(port) {
/* Get burst of RX packets, from first port of pair. */
struct rte_mbuf *bufs[BURST_SIZE];
.. code-block:: c
for (;;) {
- for (port = 0; port < nb_ports; port++) {
+ RTE_ETH_FOREACH_DEV(port) {
/* Get burst of RX packets, from first port of pair. */
struct rte_mbuf *bufs[BURST_SIZE];