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 = {
27 .ignore_offload_bitfield = 1,
28 .offloads = DEV_RX_OFFLOAD_CRC_STRIP,
31 .mq_mode = ETH_DCB_NONE,
35 static struct rte_eth_fc_conf fc_conf = {
36 .mode = RTE_FC_TX_PAUSE,
37 .high_water = 80 * 510 / 100,
38 .low_water = 60 * 510 / 100,
44 void configure_eth_port(uint16_t port_id)
47 uint16_t nb_rxd = RX_DESC_PER_QUEUE;
48 uint16_t nb_txd = TX_DESC_PER_QUEUE;
49 struct rte_eth_rxconf rxq_conf;
50 struct rte_eth_txconf txq_conf;
51 struct rte_eth_dev_info dev_info;
52 struct rte_eth_conf local_port_conf = port_conf;
54 rte_eth_dev_stop(port_id);
56 rte_eth_dev_info_get(port_id, &dev_info);
57 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
58 local_port_conf.txmode.offloads |=
59 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
60 ret = rte_eth_dev_configure(port_id, 1, 1, &local_port_conf);
62 rte_exit(EXIT_FAILURE, "Cannot configure port %u (error %d)\n",
63 (unsigned int) port_id, ret);
65 ret = rte_eth_dev_adjust_nb_rx_tx_desc(port_id, &nb_rxd, &nb_txd);
67 rte_exit(EXIT_FAILURE,
68 "Cannot adjust number of descriptors for port %u (error %d)\n",
69 (unsigned int) port_id, ret);
71 /* Initialize the port's RX queue */
72 rxq_conf = dev_info.default_rxconf;
73 rxq_conf.offloads = local_port_conf.rxmode.offloads;
74 ret = rte_eth_rx_queue_setup(port_id, 0, nb_rxd,
75 rte_eth_dev_socket_id(port_id),
79 rte_exit(EXIT_FAILURE,
80 "Failed to setup RX queue on port %u (error %d)\n",
81 (unsigned int) port_id, ret);
83 /* Initialize the port's TX queue */
84 txq_conf = dev_info.default_txconf;
85 txq_conf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
86 txq_conf.offloads = local_port_conf.txmode.offloads;
87 ret = rte_eth_tx_queue_setup(port_id, 0, nb_txd,
88 rte_eth_dev_socket_id(port_id),
91 rte_exit(EXIT_FAILURE,
92 "Failed to setup TX queue on port %u (error %d)\n",
93 (unsigned int) port_id, ret);
95 /* Initialize the port's flow control */
96 ret = rte_eth_dev_flow_ctrl_set(port_id, &fc_conf);
98 rte_exit(EXIT_FAILURE,
99 "Failed to setup hardware flow control on port %u (error %d)\n",
100 (unsigned int) port_id, ret);
103 ret = rte_eth_dev_start(port_id);
105 rte_exit(EXIT_FAILURE, "Failed to start port %u (error %d)\n",
106 (unsigned int) port_id, ret);
108 /* Put it in promiscuous mode */
109 rte_eth_promiscuous_enable(port_id);
115 if (rte_eth_dev_count() < 2)
116 rte_exit(EXIT_FAILURE, "Not enough ethernet port available\n");
119 void init_ring(int lcore_id, uint16_t port_id)
121 struct rte_ring *ring;
122 char ring_name[RTE_RING_NAMESIZE];
124 snprintf(ring_name, RTE_RING_NAMESIZE,
125 "core%d_port%d", lcore_id, port_id);
126 ring = rte_ring_create(ring_name, RING_SIZE, rte_socket_id(),
127 RING_F_SP_ENQ | RING_F_SC_DEQ);
130 rte_exit(EXIT_FAILURE, "%s\n", rte_strerror(rte_errno));
132 *high_watermark = 80 * RING_SIZE / 100;
134 rings[lcore_id][port_id] = ring;
142 /* Pair ports with their "closest neighbour" in the portmask */
143 for (i = 0; i < RTE_MAX_ETHPORTS; i++)
144 if (is_bit_set(i, portmask))
145 for (j = i + 1; j < RTE_MAX_ETHPORTS; j++)
146 if (is_bit_set(j, portmask)) {
155 setup_shared_variables(void)
157 const struct rte_memzone *qw_memzone;
159 qw_memzone = rte_memzone_reserve(QUOTA_WATERMARK_MEMZONE_NAME,
160 3 * sizeof(int), rte_socket_id(), 0);
161 if (qw_memzone == NULL)
162 rte_exit(EXIT_FAILURE, "%s\n", rte_strerror(rte_errno));
164 quota = qw_memzone->addr;
165 low_watermark = (unsigned int *) qw_memzone->addr + 1;
166 high_watermark = (unsigned int *) qw_memzone->addr + 2;