#define MAX_RX_QUEUE_PER_LCORE 16
#define MAX_TX_QUEUE_PER_PORT 16
+/* List of queues to be polled for a given lcore. 8< */
struct lcore_queue_conf {
unsigned n_rx_port;
unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE];
} __rte_cache_aligned;
struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
+/* >8 End of list of queues to be polled for a given lcore. */
static struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS];
eth = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
/* 02:00:00:00:00:xx */
- tmp = ð->d_addr.addr_bytes[0];
+ tmp = ð->dst_addr.addr_bytes[0];
*((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dest_portid << 40);
/* src addr */
- rte_ether_addr_copy(&l2fwd_ports_eth_addr[dest_portid], ð->s_addr);
+ rte_ether_addr_copy(&l2fwd_ports_eth_addr[dest_portid], ð->src_addr);
}
+/* Simple forward. 8< */
static void
l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid)
{
if (sent)
port_statistics[dst_port].tx += sent;
}
+/* >8 End of simple forward. */
/* main processing loop */
static void
while (!force_quit) {
+ /* Drains TX queue in its main loop. 8< */
cur_tsc = rte_rdtsc();
/*
prev_tsc = cur_tsc;
}
+ /* >8 End of draining TX queue. */
- /*
- * Read packet from RX queues
- */
+ /* Read packet from RX queues. 8< */
for (i = 0; i < qconf->n_rx_port; i++) {
portid = qconf->rx_port_list[i];
l2fwd_simple_forward(m, portid);
}
}
+ /* >8 End of read packet from RX queues. */
}
}
" -p PORTMASK: hexadecimal bitmask of ports to configure\n"
" -q NQ: number of queue (=ports) per lcore (default is 1)\n"
" -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n"
- " --[no-]mac-updating: Enable or disable MAC addresses updating (enabled by default)\n"
+ " --no-mac-updating: Disable MAC addresses updating (enabled by default)\n"
" When enabled:\n"
" - The source MAC address is replaced by the TX port MAC address\n"
" - The destination MAC address is replaced by 02:00:00:00:00:TX_PORT_ID\n"
"T:" /* timer period */
;
-#define CMD_LINE_OPT_MAC_UPDATING "mac-updating"
#define CMD_LINE_OPT_NO_MAC_UPDATING "no-mac-updating"
#define CMD_LINE_OPT_PORTMAP_CONFIG "portmap"
/* first long only option value must be >= 256, so that we won't
* conflict with short options */
- CMD_LINE_OPT_MAC_UPDATING_NUM = 256,
- CMD_LINE_OPT_NO_MAC_UPDATING_NUM,
+ CMD_LINE_OPT_NO_MAC_UPDATING_NUM = 256,
CMD_LINE_OPT_PORTMAP_NUM,
};
static const struct option lgopts[] = {
- { CMD_LINE_OPT_MAC_UPDATING, no_argument, 0,
- CMD_LINE_OPT_MAC_UPDATING_NUM},
{ CMD_LINE_OPT_NO_MAC_UPDATING, no_argument, 0,
CMD_LINE_OPT_NO_MAC_UPDATING_NUM},
{ CMD_LINE_OPT_PORTMAP_CONFIG, 1, 0, CMD_LINE_OPT_PORTMAP_NUM},
}
break;
- case CMD_LINE_OPT_MAC_UPDATING_NUM:
- mac_updating = 1;
- break;
-
case CMD_LINE_OPT_NO_MAC_UPDATING_NUM:
mac_updating = 0;
break;
unsigned int nb_lcores = 0;
unsigned int nb_mbufs;
- /* init EAL */
+ /* Init EAL. 8< */
ret = rte_eal_init(argc, argv);
if (ret < 0)
rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
ret = l2fwd_parse_args(argc, argv);
if (ret < 0)
rte_exit(EXIT_FAILURE, "Invalid L2FWD arguments\n");
+ /* >8 End of init EAL. */
printf("MAC updating %s\n", mac_updating ? "enabled" : "disabled");
rte_exit(EXIT_FAILURE, "Invalid portmask; possible (0x%x)\n",
(1 << nb_ports) - 1);
+ /* Initialization of the driver. 8< */
+
/* reset l2fwd_dst_ports */
for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
l2fwd_dst_ports[portid] = 0;
l2fwd_dst_ports[last_port] = last_port;
}
}
+ /* >8 End of initialization of the driver. */
rx_lcore_id = 0;
qconf = NULL;
nb_mbufs = RTE_MAX(nb_ports * (nb_rxd + nb_txd + MAX_PKT_BURST +
nb_lcores * MEMPOOL_CACHE_SIZE), 8192U);
- /* create the mbuf pool */
+ /* Create the mbuf pool. 8< */
l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", nb_mbufs,
MEMPOOL_CACHE_SIZE, 0, RTE_MBUF_DEFAULT_BUF_SIZE,
rte_socket_id());
if (l2fwd_pktmbuf_pool == NULL)
rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n");
+ /* >8 End of create the mbuf pool. */
/* Initialise each port */
RTE_ETH_FOREACH_DEV(portid) {
if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
local_port_conf.txmode.offloads |=
DEV_TX_OFFLOAD_MBUF_FAST_FREE;
+ /* Configure the number of queues for a port. */
ret = rte_eth_dev_configure(portid, 1, 1, &local_port_conf);
if (ret < 0)
rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n",
ret, portid);
+ /* >8 End of configuration of the number of queues for a port. */
ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
&nb_txd);
fflush(stdout);
rxq_conf = dev_info.default_rxconf;
rxq_conf.offloads = local_port_conf.rxmode.offloads;
+ /* RX queue setup. 8< */
ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
rte_eth_dev_socket_id(portid),
&rxq_conf,
if (ret < 0)
rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup:err=%d, port=%u\n",
ret, portid);
+ /* >8 End of RX queue setup. */
- /* init one TX queue on each port */
+ /* Init one TX queue on each port. 8< */
fflush(stdout);
txq_conf = dev_info.default_txconf;
txq_conf.offloads = local_port_conf.txmode.offloads;
if (ret < 0)
rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup:err=%d, port=%u\n",
ret, portid);
+ /* >8 End of init one TX queue on each port. */
/* Initialize TX buffers */
tx_buffer[portid] = rte_zmalloc_socket("tx_buffer",
"rte_eth_promiscuous_enable:err=%s, port=%u\n",
rte_strerror(-ret), portid);
- printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
- portid,
- l2fwd_ports_eth_addr[portid].addr_bytes[0],
- l2fwd_ports_eth_addr[portid].addr_bytes[1],
- l2fwd_ports_eth_addr[portid].addr_bytes[2],
- l2fwd_ports_eth_addr[portid].addr_bytes[3],
- l2fwd_ports_eth_addr[portid].addr_bytes[4],
- l2fwd_ports_eth_addr[portid].addr_bytes[5]);
+ printf("Port %u, MAC address: " RTE_ETHER_ADDR_PRT_FMT "\n\n",
+ portid,
+ RTE_ETHER_ADDR_BYTES(&l2fwd_ports_eth_addr[portid]));
/* initialize port stats */
memset(&port_statistics, 0, sizeof(port_statistics));
git.droids-corp.org / dpdk.git / blobdiff