} parm_config;
const char cb_port_delim[] = ":";
+/* Ethernet ports configured with default settings using struct. 8< */
static const struct rte_eth_conf port_conf_default = {
.rxmode = {
.max_rx_pkt_len = RTE_ETHER_MAX_LEN,
},
};
+/* >8 End of configuration of Ethernet ports. */
+/* Creation of flow classifier object. 8< */
struct flow_classifier {
struct rte_flow_classifier *cls;
};
struct flow_classifier_acl {
struct flow_classifier cls;
} __rte_cache_aligned;
+/* >8 End of creation of flow classifier object. */
-/* ACL field definitions for IPv4 5 tuple rule */
+/* Creation of ACL table during initialization of application. 8< */
+/* ACL field definitions for IPv4 5 tuple rule */
enum {
PROTO_FIELD_IPV4,
SRC_FIELD_IPV4,
offsetof(struct rte_tcp_hdr, dst_port),
},
};
+/* >8 End of creation of ACL table. */
-/* flow classify data */
+/* Flow classify data. 8< */
static int num_classify_rules;
static struct rte_flow_classify_rule *rules[MAX_NUM_CLASSIFY];
static struct rte_flow_classify_ipv4_5tuple_stats ntuple_stats;
static struct rte_flow_classify_stats classify_stats = {
.stats = (void **)&ntuple_stats
};
+/* >8 End of flow classify data. */
/* parameters for rte_flow_classify_validate and
* rte_flow_classify_table_entry_add functions
* Initializes a given port using global settings and with the RX buffers
* coming from the mbuf_pool passed as a parameter.
*/
+
+/* Initializing port using global settings. 8< */
static inline int
port_init(uint8_t port, struct rte_mempool *mbuf_pool)
{
return retval;
}
- /* Start the Ethernet port. */
+ /* Start the Ethernet port. 8< */
retval = rte_eth_dev_start(port);
+ /* >8 End of starting the Ethernet port. */
if (retval < 0)
return retval;
printf("Port %u MAC: %02" PRIx8 " %02" PRIx8 " %02" PRIx8
" %02" PRIx8 " %02" PRIx8 " %02" PRIx8 "\n",
- port,
- addr.addr_bytes[0], addr.addr_bytes[1],
- addr.addr_bytes[2], addr.addr_bytes[3],
- addr.addr_bytes[4], addr.addr_bytes[5]);
+ port, RTE_ETHER_ADDR_BYTES(&addr));
/* Enable RX in promiscuous mode for the Ethernet device. */
retval = rte_eth_promiscuous_enable(port);
return 0;
}
+/* >8 End of initializing a given port. */
/*
* The lcore main. This is the main thread that does the work, reading from
* an input port classifying the packets and writing to an output port.
*/
+
+/* Classifying the packets. 8< */
static __rte_noreturn void
lcore_main(struct flow_classifier *cls_app)
{
* for best performance.
*/
RTE_ETH_FOREACH_DEV(port)
- if (rte_eth_dev_socket_id(port) > 0 &&
+ if (rte_eth_dev_socket_id(port) >= 0 &&
rte_eth_dev_socket_id(port) != (int)rte_socket_id()) {
printf("\n\n");
printf("WARNING: port %u is on remote NUMA node\n",
printf("\nCore %u forwarding packets. ", rte_lcore_id());
printf("[Ctrl+C to quit]\n");
- /* Run until the application is quit or killed. */
+ /* Run until the application is quit or killed. 8< */
for (;;) {
/*
* Receive packets on a port, classify them and forward them
}
}
}
+ /* >8 End of main loop. */
}
+/* >8 End of lcore main. */
/*
* Parse IPv4 5 tuple rules file, ipv4_rules_file.txt.
return 0;
}
+/* Reads file and calls the add_classify_rule function. 8< */
static int
add_rules(const char *rule_path, struct flow_classifier *cls_app)
{
fclose(fh);
return 0;
}
+/* >8 End of add_rules. */
/* display usage */
static void
struct rte_flow_classifier_params cls_params;
uint32_t size;
- /* Initialize the Environment Abstraction Layer (EAL). */
+ /* Initialize the Environment Abstraction Layer (EAL). 8< */
ret = rte_eal_init(argc, argv);
if (ret < 0)
rte_exit(EXIT_FAILURE, "Error with EAL initialization\n");
+ /* >8 End of initialization of EAL. */
argc -= ret;
argv += ret;
- /* parse application arguments (after the EAL ones) */
+ /* Parse application arguments (after the EAL ones). 8< */
ret = parse_args(argc, argv);
if (ret < 0)
rte_exit(EXIT_FAILURE, "Invalid flow_classify parameters\n");
+ /* >8 End of parse application arguments. */
/* Check that there is an even number of ports to send/receive on. */
nb_ports = rte_eth_dev_count_avail();
if (nb_ports < 2 || (nb_ports & 1))
rte_exit(EXIT_FAILURE, "Error: number of ports must be even\n");
- /* Creates a new mempool in memory to hold the mbufs. */
+ /* Creates a new mempool in memory to hold the mbufs. 8< */
mbuf_pool = rte_pktmbuf_pool_create("MBUF_POOL", NUM_MBUFS * nb_ports,
MBUF_CACHE_SIZE, 0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
+ /* >8 End of creation of new mempool in memory. */
if (mbuf_pool == NULL)
rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
- /* Initialize all ports. */
+ /* Initialize all ports. 8< */
RTE_ETH_FOREACH_DEV(portid)
if (port_init(portid, mbuf_pool) != 0)
rte_exit(EXIT_FAILURE, "Cannot init port %"PRIu8 "\n",
portid);
+ /* >8 End of initialization of all ports. */
if (rte_lcore_count() > 1)
printf("\nWARNING: Too many lcores enabled. Only 1 used.\n");
socket_id = rte_eth_dev_socket_id(0);
- /* Memory allocation */
+ /* Memory allocation. 8< */
size = RTE_CACHE_LINE_ROUNDUP(sizeof(struct flow_classifier_acl));
cls_app = rte_zmalloc(NULL, size, RTE_CACHE_LINE_SIZE);
if (cls_app == NULL)
rte_free(cls_app);
rte_exit(EXIT_FAILURE, "Failed to create classifier table\n");
}
+ /* >8 End of initialization of table create params. */
/* read file of IPv4 5 tuple rules and initialize parameters
* for rte_flow_classify_validate and rte_flow_classify_table_entry_add
* API's.
*/
+
+ /* Read file of IPv4 tuple rules. 8< */
if (add_rules(parm_config.rule_ipv4_name, cls_app)) {
rte_flow_classifier_free(cls_app->cls);
rte_free(cls_app);
rte_exit(EXIT_FAILURE, "Failed to add rules\n");
}
+ /* >8 End of reading file of IPv4 5 tuple rules. */
/* Call lcore_main on the main core only. */
lcore_main(cls_app);
+ /* clean up the EAL */
+ rte_eal_cleanup();
+
return 0;
}