#include <inttypes.h>
#include <sys/types.h>
#include <sys/queue.h>
-#include <netinet/in.h>
#include <setjmp.h>
#include <stdarg.h>
#include <ctype.h>
printf("%s%s", what, buf);
}
-static void
+/* Main_loop for flow filtering. 8< */
+static int
main_loop(void)
{
struct rte_mbuf *mbufs[32];
uint16_t nb_rx;
uint16_t i;
uint16_t j;
+ int ret;
+ /* Reading the packets from all queues. 8< */
while (!force_quit) {
for (i = 0; i < nr_queues; i++) {
nb_rx = rte_eth_rx_burst(port_id,
eth_hdr = rte_pktmbuf_mtod(m,
struct rte_ether_hdr *);
print_ether_addr("src=",
- ð_hdr->s_addr);
+ ð_hdr->src_addr);
print_ether_addr(" - dst=",
- ð_hdr->d_addr);
+ ð_hdr->dst_addr);
printf(" - queue=0x%x",
(unsigned int)i);
printf("\n");
}
}
}
+ /* >8 End of reading the packets from all queues. */
/* closing and releasing resources */
rte_flow_flush(port_id, &error);
- rte_eth_dev_stop(port_id);
+ ret = rte_eth_dev_stop(port_id);
+ if (ret < 0)
+ printf("Failed to stop port %u: %s",
+ port_id, rte_strerror(-ret));
rte_eth_dev_close(port_id);
+ return ret;
}
+/* >8 End of main_loop for flow filtering. */
#define CHECK_INTERVAL 1000 /* 100ms */
#define MAX_REPEAT_TIMES 90 /* 9s (90 * 100ms) in total */
{
struct rte_eth_link link;
uint8_t rep_cnt = MAX_REPEAT_TIMES;
+ int link_get_err = -EINVAL;
memset(&link, 0, sizeof(link));
do {
- rte_eth_link_get(port_id, &link);
- if (link.link_status == ETH_LINK_UP)
+ link_get_err = rte_eth_link_get(port_id, &link);
+ if (link_get_err == 0 && link.link_status == RTE_ETH_LINK_UP)
break;
rte_delay_ms(CHECK_INTERVAL);
} while (--rep_cnt);
- if (link.link_status == ETH_LINK_DOWN)
+ if (link_get_err < 0)
+ rte_exit(EXIT_FAILURE, ":: error: link get is failing: %s\n",
+ rte_strerror(-link_get_err));
+ if (link.link_status == RTE_ETH_LINK_DOWN)
rte_exit(EXIT_FAILURE, ":: error: link is still down\n");
}
+/* Port initialization used in flow filtering. 8< */
static void
init_port(void)
{
int ret;
uint16_t i;
+ /* Ethernet port configured with default settings. 8< */
struct rte_eth_conf port_conf = {
.rxmode = {
.split_hdr_size = 0,
},
.txmode = {
.offloads =
- DEV_TX_OFFLOAD_VLAN_INSERT |
- DEV_TX_OFFLOAD_IPV4_CKSUM |
- DEV_TX_OFFLOAD_UDP_CKSUM |
- DEV_TX_OFFLOAD_TCP_CKSUM |
- DEV_TX_OFFLOAD_SCTP_CKSUM |
- DEV_TX_OFFLOAD_TCP_TSO,
+ RTE_ETH_TX_OFFLOAD_VLAN_INSERT |
+ RTE_ETH_TX_OFFLOAD_IPV4_CKSUM |
+ RTE_ETH_TX_OFFLOAD_UDP_CKSUM |
+ RTE_ETH_TX_OFFLOAD_TCP_CKSUM |
+ RTE_ETH_TX_OFFLOAD_SCTP_CKSUM |
+ RTE_ETH_TX_OFFLOAD_TCP_TSO,
},
};
struct rte_eth_txconf txq_conf;
rxq_conf = dev_info.default_rxconf;
rxq_conf.offloads = port_conf.rxmode.offloads;
+ /* >8 End of ethernet port configured with default settings. */
+
+ /* Configuring number of RX and TX queues connected to single port. 8< */
for (i = 0; i < nr_queues; i++) {
ret = rte_eth_rx_queue_setup(port_id, i, 512,
rte_eth_dev_socket_id(port_id),
ret, port_id);
}
}
+ /* >8 End of Configuring RX and TX queues connected to single port. */
+ /* Setting the RX port to promiscuous mode. 8< */
ret = rte_eth_promiscuous_enable(port_id);
if (ret != 0)
rte_exit(EXIT_FAILURE,
":: promiscuous mode enable failed: err=%s, port=%u\n",
rte_strerror(-ret), port_id);
+ /* >8 End of setting the RX port to promiscuous mode. */
+ /* Starting the port. 8< */
ret = rte_eth_dev_start(port_id);
if (ret < 0) {
rte_exit(EXIT_FAILURE,
"rte_eth_dev_start:err=%d, port=%u\n",
ret, port_id);
}
+ /* >8 End of starting the port. */
assert_link_status();
printf(":: initializing port: %d done\n", port_id);
}
+/* >8 End of Port initialization used in flow filtering. */
static void
signal_handler(int signum)
uint16_t nr_ports;
struct rte_flow_error error;
+ /* Initialize EAL. 8< */
ret = rte_eal_init(argc, argv);
if (ret < 0)
rte_exit(EXIT_FAILURE, ":: invalid EAL arguments\n");
+ /* >8 End of Initialization of EAL. */
force_quit = false;
signal(SIGINT, signal_handler);
printf(":: warn: %d ports detected, but we use only one: port %u\n",
nr_ports, port_id);
}
+ /* Allocates a mempool to hold the mbufs. 8< */
mbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", 4096, 128, 0,
RTE_MBUF_DEFAULT_BUF_SIZE,
rte_socket_id());
+ /* >8 End of allocating a mempool to hold the mbufs. */
if (mbuf_pool == NULL)
rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n");
+ /* Initializes all the ports using the user defined init_port(). 8< */
init_port();
+ /* >8 End of Initializing the ports using user defined init_port(). */
- /* create flow for send packet with */
+ /* Create flow for send packet with. 8< */
flow = generate_ipv4_flow(port_id, selected_queue,
SRC_IP, EMPTY_MASK,
DEST_IP, FULL_MASK, &error);
+ /* >8 End of create flow and the flow rule. */
if (!flow) {
printf("Flow can't be created %d message: %s\n",
error.type,
error.message ? error.message : "(no stated reason)");
rte_exit(EXIT_FAILURE, "error in creating flow");
}
+ /* >8 End of creating flow for send packet with. */
+
+ /* Launching main_loop(). 8< */
+ ret = main_loop();
+ /* >8 End of launching main_loop(). */
- main_loop();
+ /* clean up the EAL */
+ rte_eal_cleanup();
- return 0;
+ return ret;
}