#include <rte_flow_classify.h>
#include <rte_table_acl.h>
-#define RX_RING_SIZE 128
-#define TX_RING_SIZE 512
+#define RX_RING_SIZE 1024
+#define TX_RING_SIZE 1024
#define NUM_MBUFS 8191
#define MBUF_CACHE_SIZE 250
} parm_config;
const char cb_port_delim[] = ":";
-static const struct rte_eth_conf port_conf_default = {
- .rxmode = { .max_rx_pkt_len = ETHER_MAX_LEN }
-};
-
+/* 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,
.size = sizeof(uint8_t),
.field_index = PROTO_FIELD_IPV4,
.input_index = PROTO_INPUT_IPV4,
- .offset = sizeof(struct ether_hdr) +
- offsetof(struct ipv4_hdr, next_proto_id),
+ .offset = sizeof(struct rte_ether_hdr) +
+ offsetof(struct rte_ipv4_hdr, next_proto_id),
},
/* next input field (IPv4 source address) - 4 consecutive bytes. */
{
.size = sizeof(uint32_t),
.field_index = SRC_FIELD_IPV4,
.input_index = SRC_INPUT_IPV4,
- .offset = sizeof(struct ether_hdr) +
- offsetof(struct ipv4_hdr, src_addr),
+ .offset = sizeof(struct rte_ether_hdr) +
+ offsetof(struct rte_ipv4_hdr, src_addr),
},
/* next input field (IPv4 destination address) - 4 consecutive bytes. */
{
.size = sizeof(uint32_t),
.field_index = DST_FIELD_IPV4,
.input_index = DST_INPUT_IPV4,
- .offset = sizeof(struct ether_hdr) +
- offsetof(struct ipv4_hdr, dst_addr),
+ .offset = sizeof(struct rte_ether_hdr) +
+ offsetof(struct rte_ipv4_hdr, dst_addr),
},
/*
* Next 2 fields (src & dst ports) form 4 consecutive bytes.
.size = sizeof(uint16_t),
.field_index = SRCP_FIELD_IPV4,
.input_index = SRCP_DESTP_INPUT_IPV4,
- .offset = sizeof(struct ether_hdr) +
- sizeof(struct ipv4_hdr) +
- offsetof(struct tcp_hdr, src_port),
+ .offset = sizeof(struct rte_ether_hdr) +
+ sizeof(struct rte_ipv4_hdr) +
+ offsetof(struct rte_tcp_hdr, src_port),
},
{
/* rte_flow uses a bit mask for protocol ports */
.size = sizeof(uint16_t),
.field_index = DSTP_FIELD_IPV4,
.input_index = SRCP_DESTP_INPUT_IPV4,
- .offset = sizeof(struct ether_hdr) +
- sizeof(struct ipv4_hdr) +
- offsetof(struct tcp_hdr, dst_port),
+ .offset = sizeof(struct rte_ether_hdr) +
+ sizeof(struct rte_ipv4_hdr) +
+ 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)
{
- struct rte_eth_conf port_conf = port_conf_default;
- struct ether_addr addr;
+ struct rte_eth_conf port_conf;
+ struct rte_ether_addr addr;
const uint16_t rx_rings = 1, tx_rings = 1;
int retval;
uint16_t q;
+ struct rte_eth_dev_info dev_info;
+ struct rte_eth_txconf txconf;
- if (port >= rte_eth_dev_count())
+ if (!rte_eth_dev_is_valid_port(port))
return -1;
+ memset(&port_conf, 0, sizeof(struct rte_eth_conf));
+
+ retval = rte_eth_dev_info_get(port, &dev_info);
+ if (retval != 0) {
+ printf("Error during getting device (port %u) info: %s\n",
+ port, strerror(-retval));
+ return retval;
+ }
+
+ if (dev_info.tx_offload_capa & RTE_ETH_TX_OFFLOAD_MBUF_FAST_FREE)
+ port_conf.txmode.offloads |=
+ RTE_ETH_TX_OFFLOAD_MBUF_FAST_FREE;
+
/* Configure the Ethernet device. */
retval = rte_eth_dev_configure(port, rx_rings, tx_rings, &port_conf);
if (retval != 0)
return retval;
}
+ txconf = dev_info.default_txconf;
+ txconf.offloads = port_conf.txmode.offloads;
/* Allocate and set up 1 TX queue per Ethernet port. */
for (q = 0; q < tx_rings; q++) {
retval = rte_eth_tx_queue_setup(port, q, TX_RING_SIZE,
- rte_eth_dev_socket_id(port), NULL);
+ rte_eth_dev_socket_id(port), &txconf);
if (retval < 0)
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;
/* Display the port MAC address. */
- rte_eth_macaddr_get(port, &addr);
+ retval = rte_eth_macaddr_get(port, &addr);
+ 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. */
- rte_eth_promiscuous_enable(port);
+ retval = rte_eth_promiscuous_enable(port);
+ if (retval != 0)
+ return retval;
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.
*/
-static __attribute__((noreturn)) void
+
+/* Classifying the packets. 8< */
+static __rte_noreturn void
lcore_main(struct flow_classifier *cls_app)
{
- const uint8_t nb_ports = rte_eth_dev_count();
- uint8_t port;
+ uint16_t port;
int ret;
int i = 0;
* Check that the port is on the same NUMA node as the polling thread
* for best performance.
*/
- for (port = 0; port < nb_ports; port++)
- if (rte_eth_dev_socket_id(port) > 0 &&
+ RTE_ETH_FOREACH_DEV(port)
+ 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
* 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];
const uint16_t nb_rx = rte_eth_rx_burst(port, 0,
}
}
}
+ /* >8 End of main loop. */
}
+/* >8 End of lcore main. */
/*
* Parse IPv4 5 tuple rules file, ipv4_rules_file.txt.
if (get_cb_field(&in, &m, 0, sizeof(uint32_t) * CHAR_BIT, 0))
return -EINVAL;
- addr[0] = IPv4(a, b, c, d);
+ addr[0] = RTE_IPV4(a, b, c, d);
mask_len[0] = m;
return 0;
}
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
main(int argc, char *argv[])
{
struct rte_mempool *mbuf_pool;
- uint8_t nb_ports;
- uint8_t portid;
+ uint16_t nb_ports;
+ uint16_t portid;
int ret;
int socket_id;
struct rte_table_acl_params table_acl_params;
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();
+ 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. */
- for (portid = 0; portid < nb_ports; portid++)
+ /* 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 master core only. */
+ /* Call lcore_main on the main core only. */
lcore_main(cls_app);
+ /* clean up the EAL */
+ rte_eal_cleanup();
+
return 0;
}
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