1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2014 Intel Corporation
11 #include <rte_common.h>
12 #include <rte_errno.h>
13 #include <rte_ethdev.h>
14 #include <rte_memzone.h>
16 #include <rte_string_fns.h>
21 #include "../include/conf.h"
24 static const struct rte_eth_conf port_conf = {
27 .header_split = 0, /**< Header Split disabled */
28 .hw_ip_checksum = 0, /**< IP csum offload disabled */
29 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
30 .jumbo_frame = 0, /**< Jumbo Frame disabled */
31 .hw_strip_crc = 1, /**< CRC stripped by hardware */
34 .mq_mode = ETH_DCB_NONE,
38 static struct rte_eth_fc_conf fc_conf = {
39 .mode = RTE_FC_TX_PAUSE,
40 .high_water = 80 * 510 / 100,
41 .low_water = 60 * 510 / 100,
47 void configure_eth_port(uint16_t port_id)
50 uint16_t nb_rxd = RX_DESC_PER_QUEUE;
51 uint16_t nb_txd = TX_DESC_PER_QUEUE;
53 rte_eth_dev_stop(port_id);
55 ret = rte_eth_dev_configure(port_id, 1, 1, &port_conf);
57 rte_exit(EXIT_FAILURE, "Cannot configure port %u (error %d)\n",
58 (unsigned int) port_id, ret);
60 ret = rte_eth_dev_adjust_nb_rx_tx_desc(port_id, &nb_rxd, &nb_txd);
62 rte_exit(EXIT_FAILURE,
63 "Cannot adjust number of descriptors for port %u (error %d)\n",
64 (unsigned int) port_id, ret);
66 /* Initialize the port's RX queue */
67 ret = rte_eth_rx_queue_setup(port_id, 0, nb_rxd,
68 rte_eth_dev_socket_id(port_id),
72 rte_exit(EXIT_FAILURE,
73 "Failed to setup RX queue on port %u (error %d)\n",
74 (unsigned int) port_id, ret);
76 /* Initialize the port's TX queue */
77 ret = rte_eth_tx_queue_setup(port_id, 0, nb_txd,
78 rte_eth_dev_socket_id(port_id),
81 rte_exit(EXIT_FAILURE,
82 "Failed to setup TX queue on port %u (error %d)\n",
83 (unsigned int) port_id, ret);
85 /* Initialize the port's flow control */
86 ret = rte_eth_dev_flow_ctrl_set(port_id, &fc_conf);
88 rte_exit(EXIT_FAILURE,
89 "Failed to setup hardware flow control on port %u (error %d)\n",
90 (unsigned int) port_id, ret);
93 ret = rte_eth_dev_start(port_id);
95 rte_exit(EXIT_FAILURE, "Failed to start port %u (error %d)\n",
96 (unsigned int) port_id, ret);
98 /* Put it in promiscuous mode */
99 rte_eth_promiscuous_enable(port_id);
105 if (rte_eth_dev_count() < 2)
106 rte_exit(EXIT_FAILURE, "Not enough ethernet port available\n");
109 void init_ring(int lcore_id, uint16_t port_id)
111 struct rte_ring *ring;
112 char ring_name[RTE_RING_NAMESIZE];
114 snprintf(ring_name, RTE_RING_NAMESIZE,
115 "core%d_port%d", lcore_id, port_id);
116 ring = rte_ring_create(ring_name, RING_SIZE, rte_socket_id(),
117 RING_F_SP_ENQ | RING_F_SC_DEQ);
120 rte_exit(EXIT_FAILURE, "%s\n", rte_strerror(rte_errno));
122 *high_watermark = 80 * RING_SIZE / 100;
124 rings[lcore_id][port_id] = ring;
132 /* Pair ports with their "closest neighbour" in the portmask */
133 for (i = 0; i < RTE_MAX_ETHPORTS; i++)
134 if (is_bit_set(i, portmask))
135 for (j = i + 1; j < RTE_MAX_ETHPORTS; j++)
136 if (is_bit_set(j, portmask)) {
145 setup_shared_variables(void)
147 const struct rte_memzone *qw_memzone;
149 qw_memzone = rte_memzone_reserve(QUOTA_WATERMARK_MEMZONE_NAME,
150 3 * sizeof(int), rte_socket_id(), 0);
151 if (qw_memzone == NULL)
152 rte_exit(EXIT_FAILURE, "%s\n", rte_strerror(rte_errno));
154 quota = qw_memzone->addr;
155 low_watermark = (unsigned int *) qw_memzone->addr + 1;
156 high_watermark = (unsigned int *) qw_memzone->addr + 2;