4 * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * * Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * * Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
17 * * Neither the name of Intel Corporation nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
40 #include <rte_common.h>
41 #include <rte_errno.h>
42 #include <rte_ethdev.h>
43 #include <rte_memzone.h>
45 #include <rte_string_fns.h>
50 #include "../include/conf.h"
53 static const struct rte_eth_conf port_conf = {
56 .header_split = 0, /**< Header Split disabled */
57 .hw_ip_checksum = 0, /**< IP checksum offload disabled */
58 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
59 .jumbo_frame = 0, /**< Jumbo Frame Support disabled */
60 .hw_strip_crc = 0, /**< CRC stripped by hardware */
63 .mq_mode = ETH_DCB_NONE,
67 static struct rte_eth_fc_conf fc_conf = {
68 .mode = RTE_FC_TX_PAUSE,
69 .high_water = 80 * 510 / 100,
70 .low_water = 60 * 510 / 100,
76 void configure_eth_port(uint8_t port_id)
80 rte_eth_dev_stop(port_id);
82 ret = rte_eth_dev_configure(port_id, 1, 1, &port_conf);
84 rte_exit(EXIT_FAILURE, "Cannot configure port %u (error %d)\n",
85 (unsigned) port_id, ret);
87 /* Initialize the port's RX queue */
88 ret = rte_eth_rx_queue_setup(port_id, 0, RX_DESC_PER_QUEUE,
89 rte_eth_dev_socket_id(port_id),
93 rte_exit(EXIT_FAILURE, "Failed to setup RX queue on "
94 "port %u (error %d)\n", (unsigned) port_id, ret);
96 /* Initialize the port's TX queue */
97 ret = rte_eth_tx_queue_setup(port_id, 0, TX_DESC_PER_QUEUE,
98 rte_eth_dev_socket_id(port_id),
101 rte_exit(EXIT_FAILURE, "Failed to setup TX queue on "
102 "port %u (error %d)\n", (unsigned) port_id, ret);
104 /* Initialize the port's flow control */
105 ret = rte_eth_dev_flow_ctrl_set(port_id, &fc_conf);
107 rte_exit(EXIT_FAILURE, "Failed to setup hardware flow control on "
108 "port %u (error %d)\n", (unsigned) port_id, ret);
111 ret = rte_eth_dev_start(port_id);
113 rte_exit(EXIT_FAILURE, "Failed to start port %u (error %d)\n",
114 (unsigned) port_id, ret);
116 /* Put it in promiscuous mode */
117 rte_eth_promiscuous_enable(port_id);
123 if (rte_eth_dev_count() < 2)
124 rte_exit(EXIT_FAILURE, "Not enough ethernet port available\n");
127 void init_ring(int lcore_id, uint8_t port_id)
129 struct rte_ring *ring;
130 char ring_name[RTE_RING_NAMESIZE];
132 snprintf(ring_name, RTE_RING_NAMESIZE,
133 "core%d_port%d", lcore_id, port_id);
134 ring = rte_ring_create(ring_name, RING_SIZE, rte_socket_id(),
135 RING_F_SP_ENQ | RING_F_SC_DEQ);
138 rte_exit(EXIT_FAILURE, "%s\n", rte_strerror(rte_errno));
140 rte_ring_set_water_mark(ring, 80 * RING_SIZE / 100);
142 rings[lcore_id][port_id] = ring;
150 /* Pair ports with their "closest neighbour" in the portmask */
151 for (i = 0; i < RTE_MAX_ETHPORTS; i++)
152 if (is_bit_set(i, portmask))
153 for (j = (uint8_t) (i + 1); j < RTE_MAX_ETHPORTS; j++)
154 if (is_bit_set(j, portmask)) {
163 setup_shared_variables(void)
165 const struct rte_memzone *qw_memzone;
167 qw_memzone = rte_memzone_reserve(QUOTA_WATERMARK_MEMZONE_NAME, 2 * sizeof(int),
168 rte_socket_id(), RTE_MEMZONE_2MB);
169 if (qw_memzone == NULL)
170 rte_exit(EXIT_FAILURE, "%s\n", rte_strerror(rte_errno));
172 quota = qw_memzone->addr;
173 low_watermark = (unsigned int *) qw_memzone->addr + sizeof(int);