/*-
* BSD LICENSE
- *
- * Copyright(c) 2010-2012 Intel Corporation. All rights reserved.
+ *
+ * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
* All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
* are met:
- *
- * * Redistributions of source code must retain the above copyright
+ *
+ * * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
* distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
+ * * Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
*/
#include <stdio.h>
#include <stdint.h>
#include <inttypes.h>
#include <sys/types.h>
-#include <string.h>
#include <sys/queue.h>
#include <netinet/in.h>
#include <setjmp.h>
#include <rte_memory.h>
#include <rte_memcpy.h>
#include <rte_memzone.h>
-#include <rte_tailq.h>
#include <rte_eal.h>
#include <rte_per_lcore.h>
#include <rte_launch.h>
#include <rte_mempool.h>
#include <rte_mbuf.h>
-#include "main.h"
-
#define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1
-#define L2FWD_MAX_PORTS 32
-
-#define MBUF_SIZE (2048 + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM)
+#define MBUF_DATA_SIZE (2048 + RTE_PKTMBUF_HEADROOM)
#define NB_MBUF 8192
-/*
- * RX and TX Prefetch, Host, and Write-back threshold values should be
- * carefully set for optimal performance. Consult the network
- * controller's datasheet and supporting DPDK documentation for guidance
- * on how these parameters should be set.
- */
-#define RX_PTHRESH 8 /**< Default values of RX prefetch threshold reg. */
-#define RX_HTHRESH 8 /**< Default values of RX host threshold reg. */
-#define RX_WTHRESH 4 /**< Default values of RX write-back threshold reg. */
-
-/*
- * These default values are optimized for use with the Intel(R) 82599 10 GbE
- * Controller and the DPDK ixgbe PMD. Consider using other values for other
- * network controllers and/or network drivers.
- */
-#define TX_PTHRESH 36 /**< Default values of TX prefetch threshold reg. */
-#define TX_HTHRESH 0 /**< Default values of TX host threshold reg. */
-#define TX_WTHRESH 0 /**< Default values of TX write-back threshold reg. */
-
#define MAX_PKT_BURST 32
-#define BURST_TX_DRAIN 200000ULL /* around 100us at 2 Ghz */
-
-#define SOCKET0 0
+#define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
/*
* Configurable number of RX/TX ring descriptors
static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
/* ethernet addresses of ports */
-static struct ether_addr l2fwd_ports_eth_addr[L2FWD_MAX_PORTS];
+static struct ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS];
/* mask of enabled ports */
static uint32_t l2fwd_enabled_port_mask = 0;
/* list of enabled ports */
-static uint32_t l2fwd_dst_ports[L2FWD_MAX_PORTS];
+static uint32_t l2fwd_dst_ports[RTE_MAX_ETHPORTS];
static unsigned int l2fwd_rx_queue_per_lcore = 1;
-#define MAX_PKT_BURST 32
struct mbuf_table {
unsigned len;
struct rte_mbuf *m_table[MAX_PKT_BURST];
#define MAX_RX_QUEUE_PER_LCORE 16
#define MAX_TX_QUEUE_PER_PORT 16
struct lcore_queue_conf {
- unsigned n_rx_queue;
- unsigned rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
- unsigned tx_queue_id;
- struct mbuf_table tx_mbufs[L2FWD_MAX_PORTS];
+ unsigned n_rx_port;
+ unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE];
+ struct mbuf_table tx_mbufs[RTE_MAX_ETHPORTS];
} __rte_cache_aligned;
struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
.hw_strip_crc = 0, /**< CRC stripped by hardware */
},
.txmode = {
+ .mq_mode = ETH_MQ_TX_NONE,
},
};
-static const struct rte_eth_rxconf rx_conf = {
- .rx_thresh = {
- .pthresh = RX_PTHRESH,
- .hthresh = RX_HTHRESH,
- .wthresh = RX_WTHRESH,
- },
-};
-
-static const struct rte_eth_txconf tx_conf = {
- .tx_thresh = {
- .pthresh = TX_PTHRESH,
- .hthresh = TX_HTHRESH,
- .wthresh = TX_WTHRESH,
- },
- .tx_free_thresh = 0, /* Use PMD default values */
- .tx_rs_thresh = 0, /* Use PMD default values */
-};
-
struct rte_mempool * l2fwd_pktmbuf_pool = NULL;
/* Per-port statistics struct */
uint64_t rx;
uint64_t dropped;
} __rte_cache_aligned;
-struct l2fwd_port_statistics port_statistics[L2FWD_MAX_PORTS];
+struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS];
/* A tsc-based timer responsible for triggering statistics printout */
#define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */
printf("\nPort statistics ====================================");
- for (portid = 0; portid < L2FWD_MAX_PORTS; portid++) {
+ for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
/* skip disabled ports */
if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
continue;
printf("\n====================================================\n");
}
-/* Send the packet on an output interface */
+/* Send the burst of packets on an output interface */
static int
l2fwd_send_burst(struct lcore_queue_conf *qconf, unsigned n, uint8_t port)
{
struct rte_mbuf **m_table;
unsigned ret;
- unsigned queueid;
+ unsigned queueid =0;
- queueid = (uint16_t) qconf->tx_queue_id;
m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table;
ret = rte_eth_tx_burst(port, (uint16_t) queueid, m_table, (uint16_t) n);
return 0;
}
-/* Send the packet on an output interface */
+/* Enqueue packets for TX and prepare them to be sent */
static int
l2fwd_send_packet(struct rte_mbuf *m, uint8_t port)
{
dst_port = l2fwd_dst_ports[portid];
eth = rte_pktmbuf_mtod(m, struct ether_hdr *);
- /* 00:09:c0:00:00:xx */
+ /* 02:00:00:00:00:xx */
tmp = ð->d_addr.addr_bytes[0];
- *((uint64_t *)tmp) = 0x000000c00900 + (dst_port << 24);
+ *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
/* src addr */
ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], ð->s_addr);
struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
struct rte_mbuf *m;
unsigned lcore_id;
- uint64_t prev_tsc = 0;
- uint64_t diff_tsc, cur_tsc, timer_tsc;
+ uint64_t prev_tsc, diff_tsc, cur_tsc, timer_tsc;
unsigned i, j, portid, nb_rx;
struct lcore_queue_conf *qconf;
+ const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
+ prev_tsc = 0;
timer_tsc = 0;
lcore_id = rte_lcore_id();
qconf = &lcore_queue_conf[lcore_id];
- if (qconf->n_rx_queue == 0) {
+ if (qconf->n_rx_port == 0) {
RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
- while(1);
+ return;
}
RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
- for (i = 0; i < qconf->n_rx_queue; i++) {
+ for (i = 0; i < qconf->n_rx_port; i++) {
- portid = qconf->rx_queue_list[i];
+ portid = qconf->rx_port_list[i];
RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
portid);
}
* TX burst queue drain
*/
diff_tsc = cur_tsc - prev_tsc;
- if (unlikely(diff_tsc > BURST_TX_DRAIN)) {
+ if (unlikely(diff_tsc > drain_tsc)) {
- /* this could be optimized (use queueid instead of
- * portid), but it is not called so often */
- for (portid = 0; portid < L2FWD_MAX_PORTS; portid++) {
+ for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
if (qconf->tx_mbufs[portid].len == 0)
continue;
l2fwd_send_burst(&lcore_queue_conf[lcore_id],
/*
* Read packet from RX queues
*/
- for (i = 0; i < qconf->n_rx_queue; i++) {
+ for (i = 0; i < qconf->n_rx_port; i++) {
- portid = qconf->rx_queue_list[i];
+ portid = qconf->rx_port_list[i];
nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
pkts_burst, MAX_PKT_BURST);
return ret;
}
+/* Check the link status of all ports in up to 9s, and print them finally */
+static void
+check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
+{
+#define CHECK_INTERVAL 100 /* 100ms */
+#define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
+ uint8_t portid, count, all_ports_up, print_flag = 0;
+ struct rte_eth_link link;
+
+ printf("\nChecking link status");
+ fflush(stdout);
+ for (count = 0; count <= MAX_CHECK_TIME; count++) {
+ all_ports_up = 1;
+ for (portid = 0; portid < port_num; portid++) {
+ if ((port_mask & (1 << portid)) == 0)
+ continue;
+ memset(&link, 0, sizeof(link));
+ rte_eth_link_get_nowait(portid, &link);
+ /* print link status if flag set */
+ if (print_flag == 1) {
+ if (link.link_status)
+ printf("Port %d Link Up - speed %u "
+ "Mbps - %s\n", (uint8_t)portid,
+ (unsigned)link.link_speed,
+ (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
+ ("full-duplex") : ("half-duplex\n"));
+ else
+ printf("Port %d Link Down\n",
+ (uint8_t)portid);
+ continue;
+ }
+ /* clear all_ports_up flag if any link down */
+ if (link.link_status == 0) {
+ all_ports_up = 0;
+ break;
+ }
+ }
+ /* after finally printing all link status, get out */
+ if (print_flag == 1)
+ break;
+
+ if (all_ports_up == 0) {
+ printf(".");
+ fflush(stdout);
+ rte_delay_ms(CHECK_INTERVAL);
+ }
+
+ /* set the print_flag if all ports up or timeout */
+ if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
+ print_flag = 1;
+ printf("done\n");
+ }
+ }
+}
+
int
-MAIN(int argc, char **argv)
+main(int argc, char **argv)
{
struct lcore_queue_conf *qconf;
struct rte_eth_dev_info dev_info;
- struct rte_eth_link link;
int ret;
- unsigned int nb_ports, nb_lcores;
- unsigned portid, last_port, queueid = 0;
+ uint8_t nb_ports;
+ uint8_t nb_ports_available;
+ uint8_t portid, last_port;
unsigned lcore_id, rx_lcore_id;
- unsigned n_tx_queue, max_tx_queues;
unsigned nb_ports_in_mask = 0;
/* init EAL */
rte_exit(EXIT_FAILURE, "Invalid L2FWD arguments\n");
/* create the mbuf pool */
- l2fwd_pktmbuf_pool =
- rte_mempool_create("mbuf_pool", NB_MBUF,
- MBUF_SIZE, 32,
- sizeof(struct rte_pktmbuf_pool_private),
- rte_pktmbuf_pool_init, NULL,
- rte_pktmbuf_init, NULL,
- SOCKET0, 0);
+ l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 32,
+ 0, MBUF_DATA_SIZE, rte_socket_id());
if (l2fwd_pktmbuf_pool == NULL)
rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n");
- /* init driver(s) */
- if (rte_pmd_init_all() < 0)
- rte_exit(EXIT_FAILURE, "Cannot init pmd\n");
-
- if (rte_eal_pci_probe() < 0)
- rte_exit(EXIT_FAILURE, "Cannot probe PCI\n");
-
nb_ports = rte_eth_dev_count();
if (nb_ports == 0)
rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n");
- if (nb_ports > L2FWD_MAX_PORTS)
- nb_ports = L2FWD_MAX_PORTS;
-
- nb_lcores = rte_lcore_count();
+ if (nb_ports > RTE_MAX_ETHPORTS)
+ nb_ports = RTE_MAX_ETHPORTS;
/* reset l2fwd_dst_ports */
- for (portid = 0; portid < L2FWD_MAX_PORTS; portid++)
+ for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
l2fwd_dst_ports[portid] = 0;
last_port = 0;
/*
* Each logical core is assigned a dedicated TX queue on each port.
- * Compute the maximum number of TX queues that can be used.
*/
- max_tx_queues = nb_lcores;
for (portid = 0; portid < nb_ports; portid++) {
/* skip ports that are not enabled */
if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
nb_ports_in_mask++;
- rte_eth_dev_info_get((uint8_t) portid, &dev_info);
- if (max_tx_queues > dev_info.max_tx_queues)
- max_tx_queues = dev_info.max_tx_queues;
+ rte_eth_dev_info_get(portid, &dev_info);
}
-
- if (nb_ports_in_mask < 2 || nb_ports_in_mask % 2) {
- rte_exit(EXIT_FAILURE, "invalid number of ports in portmask. "
- "Should be an even number.\n");
+ if (nb_ports_in_mask % 2) {
+ printf("Notice: odd number of ports in portmask.\n");
+ l2fwd_dst_ports[last_port] = last_port;
}
rx_lcore_id = 0;
- n_tx_queue = 0;
qconf = NULL;
/* Initialize the port/queue configuration of each logical core */
/* get the lcore_id for this port */
while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
- lcore_queue_conf[rx_lcore_id].n_rx_queue ==
+ lcore_queue_conf[rx_lcore_id].n_rx_port ==
l2fwd_rx_queue_per_lcore) {
-
rx_lcore_id++;
if (rx_lcore_id >= RTE_MAX_LCORE)
rte_exit(EXIT_FAILURE, "Not enough cores\n");
}
- if (qconf != &lcore_queue_conf[rx_lcore_id]) {
- if (n_tx_queue == max_tx_queues)
- rte_exit(EXIT_FAILURE,
- "Not enough TX queues\n");
+
+ if (qconf != &lcore_queue_conf[rx_lcore_id])
/* Assigned a new logical core in the loop above. */
qconf = &lcore_queue_conf[rx_lcore_id];
- qconf->tx_queue_id = n_tx_queue;
- n_tx_queue++;
- }
- qconf->rx_queue_list[qconf->n_rx_queue] = portid;
- qconf->n_rx_queue++;
- printf("Lcore %u: RX port %u TX queue %u\n",
- rx_lcore_id, portid, qconf->tx_queue_id);
+
+ qconf->rx_port_list[qconf->n_rx_port] = portid;
+ qconf->n_rx_port++;
+ printf("Lcore %u: RX port %u\n", rx_lcore_id, (unsigned) portid);
}
+ nb_ports_available = nb_ports;
+
/* Initialise each port */
for (portid = 0; portid < nb_ports; portid++) {
-
/* skip ports that are not enabled */
if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) {
- printf("Skipping disabled port %u\n", portid);
+ printf("Skipping disabled port %u\n", (unsigned) portid);
+ nb_ports_available--;
continue;
}
/* init port */
- printf("Initializing port %u... ", portid);
+ printf("Initializing port %u... ", (unsigned) portid);
fflush(stdout);
- ret = rte_eth_dev_configure((uint8_t) portid, 1,
- (uint16_t) n_tx_queue, &port_conf);
+ ret = rte_eth_dev_configure(portid, 1, 1, &port_conf);
if (ret < 0)
- rte_exit(EXIT_FAILURE, "Cannot configure device: "
- "err=%d, port=%u\n",
- ret, portid);
+ rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n",
+ ret, (unsigned) portid);
- rte_eth_macaddr_get((uint8_t) portid,
- &l2fwd_ports_eth_addr[portid]);
+ rte_eth_macaddr_get(portid,&l2fwd_ports_eth_addr[portid]);
/* init one RX queue */
fflush(stdout);
- ret = rte_eth_rx_queue_setup((uint8_t) portid, 0, nb_rxd,
- SOCKET0, &rx_conf,
+ ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
+ rte_eth_dev_socket_id(portid),
+ NULL,
l2fwd_pktmbuf_pool);
if (ret < 0)
- rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: "
- "err=%d, port=%u\n",
- ret, portid);
+ rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup:err=%d, port=%u\n",
+ ret, (unsigned) portid);
- /* init one TX queue logical core on each port */
- for (queueid = 0; queueid < n_tx_queue; queueid++) {
- fflush(stdout);
- ret = rte_eth_tx_queue_setup((uint8_t) portid,
- (uint16_t) queueid, nb_txd,
- SOCKET0, &tx_conf);
- if (ret < 0)
- rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: "
- "err=%d, port=%u queue=%u\n",
- ret, portid, queueid);
- }
+ /* init one TX queue on each port */
+ fflush(stdout);
+ ret = rte_eth_tx_queue_setup(portid, 0, nb_txd,
+ rte_eth_dev_socket_id(portid),
+ NULL);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup:err=%d, port=%u\n",
+ ret, (unsigned) portid);
/* Start device */
- ret = rte_eth_dev_start((uint8_t) portid);
+ ret = rte_eth_dev_start(portid);
if (ret < 0)
- rte_exit(EXIT_FAILURE, "rte_eth_dev_start: "
- "err=%d, port=%u\n",
- ret, portid);
-
- printf("done: ");
-
- /* get link status */
- rte_eth_link_get((uint8_t) portid, &link);
- if (link.link_status) {
- printf(" Link Up - speed %u Mbps - %s\n",
- (unsigned) link.link_speed,
- (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
- ("full-duplex") : ("half-duplex\n"));
- } else {
- printf(" Link Down\n");
- }
+ rte_exit(EXIT_FAILURE, "rte_eth_dev_start:err=%d, port=%u\n",
+ ret, (unsigned) portid);
+
+ printf("done: \n");
- rte_eth_promiscuous_enable((uint8_t)portid);
+ rte_eth_promiscuous_enable(portid);
printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
- portid,
+ (unsigned) 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],
memset(&port_statistics, 0, sizeof(port_statistics));
}
+ if (!nb_ports_available) {
+ rte_exit(EXIT_FAILURE,
+ "All available ports are disabled. Please set portmask.\n");
+ }
+
+ check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask);
+
/* launch per-lcore init on every lcore */
rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, NULL, CALL_MASTER);
RTE_LCORE_FOREACH_SLAVE(lcore_id) {
return 0;
}
+
git.droids-corp.org / dpdk.git / blobdiff