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 struct rte_eth_conf port_conf = {
29 .mq_mode = ETH_DCB_NONE,
33 static struct rte_eth_fc_conf fc_conf = {
34 .mode = RTE_FC_TX_PAUSE,
35 .high_water = 80 * 510 / 100,
36 .low_water = 60 * 510 / 100,
42 void configure_eth_port(uint16_t port_id)
45 uint16_t nb_rxd = RX_DESC_PER_QUEUE;
46 uint16_t nb_txd = TX_DESC_PER_QUEUE;
47 struct rte_eth_rxconf rxq_conf;
48 struct rte_eth_txconf txq_conf;
49 struct rte_eth_dev_info dev_info;
50 struct rte_eth_conf local_port_conf = port_conf;
52 rte_eth_dev_stop(port_id);
54 rte_eth_dev_info_get(port_id, &dev_info);
55 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
56 local_port_conf.txmode.offloads |=
57 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
58 ret = rte_eth_dev_configure(port_id, 1, 1, &local_port_conf);
60 rte_exit(EXIT_FAILURE, "Cannot configure port %u (error %d)\n",
61 (unsigned int) port_id, ret);
63 ret = rte_eth_dev_adjust_nb_rx_tx_desc(port_id, &nb_rxd, &nb_txd);
65 rte_exit(EXIT_FAILURE,
66 "Cannot adjust number of descriptors for port %u (error %d)\n",
67 (unsigned int) port_id, ret);
69 /* Initialize the port's RX queue */
70 rxq_conf = dev_info.default_rxconf;
71 rxq_conf.offloads = local_port_conf.rxmode.offloads;
72 ret = rte_eth_rx_queue_setup(port_id, 0, nb_rxd,
73 rte_eth_dev_socket_id(port_id),
77 rte_exit(EXIT_FAILURE,
78 "Failed to setup RX queue on port %u (error %d)\n",
79 (unsigned int) port_id, ret);
81 /* Initialize the port's TX queue */
82 txq_conf = dev_info.default_txconf;
83 txq_conf.offloads = local_port_conf.txmode.offloads;
84 ret = rte_eth_tx_queue_setup(port_id, 0, nb_txd,
85 rte_eth_dev_socket_id(port_id),
88 rte_exit(EXIT_FAILURE,
89 "Failed to setup TX queue on port %u (error %d)\n",
90 (unsigned int) port_id, ret);
92 /* Initialize the port's flow control */
93 ret = rte_eth_dev_flow_ctrl_set(port_id, &fc_conf);
95 rte_exit(EXIT_FAILURE,
96 "Failed to setup hardware flow control on port %u (error %d)\n",
97 (unsigned int) port_id, ret);
100 ret = rte_eth_dev_start(port_id);
102 rte_exit(EXIT_FAILURE, "Failed to start port %u (error %d)\n",
103 (unsigned int) port_id, ret);
105 /* Put it in promiscuous mode */
106 rte_eth_promiscuous_enable(port_id);
112 if (rte_eth_dev_count_avail() < 2)
113 rte_exit(EXIT_FAILURE, "Not enough ethernet port available\n");
116 void init_ring(int lcore_id, uint16_t port_id)
118 struct rte_ring *ring;
119 char ring_name[RTE_RING_NAMESIZE];
121 snprintf(ring_name, RTE_RING_NAMESIZE,
122 "core%d_port%d", lcore_id, port_id);
123 ring = rte_ring_create(ring_name, RING_SIZE, rte_socket_id(),
124 RING_F_SP_ENQ | RING_F_SC_DEQ);
127 rte_exit(EXIT_FAILURE, "%s\n", rte_strerror(rte_errno));
129 *high_watermark = 80 * RING_SIZE / 100;
131 rings[lcore_id][port_id] = ring;
139 /* Pair ports with their "closest neighbour" in the portmask */
140 for (i = 0; i < RTE_MAX_ETHPORTS; i++)
141 if (is_bit_set(i, portmask))
142 for (j = i + 1; j < RTE_MAX_ETHPORTS; j++)
143 if (is_bit_set(j, portmask)) {
152 setup_shared_variables(void)
154 const struct rte_memzone *qw_memzone;
156 qw_memzone = rte_memzone_reserve(QUOTA_WATERMARK_MEMZONE_NAME,
157 3 * sizeof(int), rte_socket_id(), 0);
158 if (qw_memzone == NULL)
159 rte_exit(EXIT_FAILURE, "%s\n", rte_strerror(rte_errno));
161 quota = qw_memzone->addr;
162 low_watermark = (unsigned int *) qw_memzone->addr + 1;
163 high_watermark = (unsigned int *) qw_memzone->addr + 2;