--- /dev/null
+/*-
+ * BSD LICENSE
+ *
+ * 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
+ * are met:
+ *
+ * * 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
+ * distribution.
+ * * 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
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/mman.h>
+
+#include <rte_eal.h>
+
+#include <rte_common.h>
+#include <rte_errno.h>
+#include <rte_ethdev.h>
+#include <rte_memzone.h>
+#include <rte_ring.h>
+#include <rte_string_fns.h>
+
+#include "args.h"
+#include "init.h"
+#include "main.h"
+#include "../include/conf.h"
+
+
+static const struct rte_eth_conf port_conf = {
+ .rxmode = {
+ .split_hdr_size = 0,
+ .header_split = 0, /**< Header Split disabled */
+ .hw_ip_checksum = 0, /**< IP checksum offload disabled */
+ .hw_vlan_filter = 0, /**< VLAN filtering disabled */
+ .jumbo_frame = 0, /**< Jumbo Frame Support disabled */
+ .hw_strip_crc = 0, /**< CRC stripped by hardware */
+ },
+ .txmode = {
+ .mq_mode = ETH_DCB_NONE,
+ },
+};
+
+static struct rte_eth_fc_conf fc_conf = {
+ .mode = RTE_FC_TX_PAUSE,
+ .high_water = 80 * 510 / 100,
+ .low_water = 60 * 510 / 100,
+ .pause_time = 1337,
+ .send_xon = 0,
+};
+
+
+void configure_eth_port(uint8_t port_id)
+{
+ int ret;
+
+ rte_eth_dev_stop(port_id);
+
+ ret = rte_eth_dev_configure(port_id, 1, 1, &port_conf);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "Cannot configure port %u (error %d)\n",
+ (unsigned) port_id, ret);
+
+ /* Initialize the port's RX queue */
+ ret = rte_eth_rx_queue_setup(port_id, 0, RX_DESC_PER_QUEUE,
+ rte_eth_dev_socket_id(port_id),
+ NULL,
+ mbuf_pool);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "Failed to setup RX queue on "
+ "port %u (error %d)\n", (unsigned) port_id, ret);
+
+ /* Initialize the port's TX queue */
+ ret = rte_eth_tx_queue_setup(port_id, 0, TX_DESC_PER_QUEUE,
+ rte_eth_dev_socket_id(port_id),
+ NULL);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "Failed to setup TX queue on "
+ "port %u (error %d)\n", (unsigned) port_id, ret);
+
+ /* Initialize the port's flow control */
+ ret = rte_eth_dev_flow_ctrl_set(port_id, &fc_conf);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "Failed to setup hardware flow control on "
+ "port %u (error %d)\n", (unsigned) port_id, ret);
+
+ /* Start the port */
+ ret = rte_eth_dev_start(port_id);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "Failed to start port %u (error %d)\n",
+ (unsigned) port_id, ret);
+
+ /* Put it in promiscuous mode */
+ rte_eth_promiscuous_enable(port_id);
+}
+
+void
+init_dpdk(void)
+{
+ if (rte_eth_dev_count() < 2)
+ rte_exit(EXIT_FAILURE, "Not enough ethernet port available\n");
+}
+
+void init_ring(int lcore_id, uint8_t port_id)
+{
+ struct rte_ring *ring;
+ char ring_name[RTE_RING_NAMESIZE];
+
+ snprintf(ring_name, RTE_RING_NAMESIZE,
+ "core%d_port%d", lcore_id, port_id);
+ ring = rte_ring_create(ring_name, RING_SIZE, rte_socket_id(),
+ RING_F_SP_ENQ | RING_F_SC_DEQ);
+
+ if (ring == NULL)
+ rte_exit(EXIT_FAILURE, "%s\n", rte_strerror(rte_errno));
+
+ rte_ring_set_water_mark(ring, 80 * RING_SIZE / 100);
+
+ rings[lcore_id][port_id] = ring;
+}
+
+void
+pair_ports(void)
+{
+ uint8_t i, j;
+
+ /* Pair ports with their "closest neighbour" in the portmask */
+ for (i = 0; i < RTE_MAX_ETHPORTS; i++)
+ if (is_bit_set(i, portmask))
+ for (j = (uint8_t) (i + 1); j < RTE_MAX_ETHPORTS; j++)
+ if (is_bit_set(j, portmask)) {
+ port_pairs[i] = j;
+ port_pairs[j] = i;
+ i = j;
+ break;
+ }
+}
+
+void
+setup_shared_variables(void)
+{
+ const struct rte_memzone *qw_memzone;
+
+ qw_memzone = rte_memzone_reserve(QUOTA_WATERMARK_MEMZONE_NAME, 2 * sizeof(int),
+ rte_socket_id(), RTE_MEMZONE_2MB);
+ if (qw_memzone == NULL)
+ rte_exit(EXIT_FAILURE, "%s\n", rte_strerror(rte_errno));
+
+ quota = qw_memzone->addr;
+ low_watermark = (unsigned int *) qw_memzone->addr + sizeof(int);
+}
Code Review / deb_dpdk.git / blobdiff