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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 const struct rte_eth_rxconf rx_conf = {
75 static const struct rte_eth_txconf tx_conf = {
85 static struct rte_eth_fc_conf fc_conf = {
86 .mode = RTE_FC_TX_PAUSE,
87 .high_water = 80 * 510 / 100,
88 .low_water = 60 * 510 / 100,
94 void configure_eth_port(uint8_t port_id)
98 rte_eth_dev_stop(port_id);
100 ret = rte_eth_dev_configure(port_id, 1, 1, &port_conf);
102 rte_exit(EXIT_FAILURE, "Cannot configure port %u (error %d)\n",
103 (unsigned) port_id, ret);
105 /* Initialize the port's RX queue */
106 ret = rte_eth_rx_queue_setup(port_id, 0, RX_DESC_PER_QUEUE,
107 rte_eth_dev_socket_id(port_id), &rx_conf,
110 rte_exit(EXIT_FAILURE, "Failed to setup RX queue on "
111 "port %u (error %d)\n", (unsigned) port_id, ret);
113 /* Initialize the port's TX queue */
114 ret = rte_eth_tx_queue_setup(port_id, 0, TX_DESC_PER_QUEUE,
115 rte_eth_dev_socket_id(port_id), &tx_conf);
117 rte_exit(EXIT_FAILURE, "Failed to setup TX queue on "
118 "port %u (error %d)\n", (unsigned) port_id, ret);
120 /* Initialize the port's flow control */
121 ret = rte_eth_dev_flow_ctrl_set(port_id, &fc_conf);
123 rte_exit(EXIT_FAILURE, "Failed to setup hardware flow control on "
124 "port %u (error %d)\n", (unsigned) port_id, ret);
127 ret = rte_eth_dev_start(port_id);
129 rte_exit(EXIT_FAILURE, "Failed to start port %u (error %d)\n",
130 (unsigned) port_id, ret);
132 /* Put it in promiscuous mode */
133 rte_eth_promiscuous_enable(port_id);
141 /* Bind the drivers to usable devices */
142 ret = rte_eal_pci_probe();
144 rte_exit(EXIT_FAILURE, "rte_eal_pci_probe(): error %d\n", ret);
146 if (rte_eth_dev_count() < 2)
147 rte_exit(EXIT_FAILURE, "Not enough ethernet port available\n");
150 void init_ring(int lcore_id, uint8_t port_id)
152 struct rte_ring *ring;
153 char ring_name[RTE_RING_NAMESIZE];
155 snprintf(ring_name, RTE_RING_NAMESIZE,
156 "core%d_port%d", lcore_id, port_id);
157 ring = rte_ring_create(ring_name, RING_SIZE, rte_socket_id(),
158 RING_F_SP_ENQ | RING_F_SC_DEQ);
161 rte_exit(EXIT_FAILURE, "%s\n", rte_strerror(rte_errno));
163 rte_ring_set_water_mark(ring, 80 * RING_SIZE / 100);
165 rings[lcore_id][port_id] = ring;
173 /* Pair ports with their "closest neighbour" in the portmask */
174 for (i = 0; i < RTE_MAX_ETHPORTS; i++)
175 if (is_bit_set(i, portmask))
176 for (j = (uint8_t) (i + 1); j < RTE_MAX_ETHPORTS; j++)
177 if (is_bit_set(j, portmask)) {
186 setup_shared_variables(void)
188 const struct rte_memzone *qw_memzone;
190 qw_memzone = rte_memzone_reserve(QUOTA_WATERMARK_MEMZONE_NAME, 2 * sizeof(int),
191 rte_socket_id(), RTE_MEMZONE_2MB);
192 if (qw_memzone == NULL)
193 rte_exit(EXIT_FAILURE, "%s\n", rte_strerror(rte_errno));
195 quota = qw_memzone->addr;
196 low_watermark = (unsigned int *) qw_memzone->addr + sizeof(int);