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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 csum offload disabled */
58 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
59 .jumbo_frame = 0, /**< Jumbo Frame disabled */
60 .hw_strip_crc = 1, /**< 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(uint16_t port_id)
79 uint16_t nb_rxd = RX_DESC_PER_QUEUE;
80 uint16_t nb_txd = TX_DESC_PER_QUEUE;
82 rte_eth_dev_stop(port_id);
84 ret = rte_eth_dev_configure(port_id, 1, 1, &port_conf);
86 rte_exit(EXIT_FAILURE, "Cannot configure port %u (error %d)\n",
87 (unsigned int) port_id, ret);
89 ret = rte_eth_dev_adjust_nb_rx_tx_desc(port_id, &nb_rxd, &nb_txd);
91 rte_exit(EXIT_FAILURE,
92 "Cannot adjust number of descriptors for port %u (error %d)\n",
93 (unsigned int) port_id, ret);
95 /* Initialize the port's RX queue */
96 ret = rte_eth_rx_queue_setup(port_id, 0, nb_rxd,
97 rte_eth_dev_socket_id(port_id),
101 rte_exit(EXIT_FAILURE,
102 "Failed to setup RX queue on port %u (error %d)\n",
103 (unsigned int) port_id, ret);
105 /* Initialize the port's TX queue */
106 ret = rte_eth_tx_queue_setup(port_id, 0, nb_txd,
107 rte_eth_dev_socket_id(port_id),
110 rte_exit(EXIT_FAILURE,
111 "Failed to setup TX queue on port %u (error %d)\n",
112 (unsigned int) port_id, ret);
114 /* Initialize the port's flow control */
115 ret = rte_eth_dev_flow_ctrl_set(port_id, &fc_conf);
117 rte_exit(EXIT_FAILURE,
118 "Failed to setup hardware flow control on port %u (error %d)\n",
119 (unsigned int) port_id, ret);
122 ret = rte_eth_dev_start(port_id);
124 rte_exit(EXIT_FAILURE, "Failed to start port %u (error %d)\n",
125 (unsigned int) port_id, ret);
127 /* Put it in promiscuous mode */
128 rte_eth_promiscuous_enable(port_id);
134 if (rte_eth_dev_count() < 2)
135 rte_exit(EXIT_FAILURE, "Not enough ethernet port available\n");
138 void init_ring(int lcore_id, uint16_t port_id)
140 struct rte_ring *ring;
141 char ring_name[RTE_RING_NAMESIZE];
143 snprintf(ring_name, RTE_RING_NAMESIZE,
144 "core%d_port%d", lcore_id, port_id);
145 ring = rte_ring_create(ring_name, RING_SIZE, rte_socket_id(),
146 RING_F_SP_ENQ | RING_F_SC_DEQ);
149 rte_exit(EXIT_FAILURE, "%s\n", rte_strerror(rte_errno));
151 *high_watermark = 80 * RING_SIZE / 100;
153 rings[lcore_id][port_id] = ring;
161 /* Pair ports with their "closest neighbour" in the portmask */
162 for (i = 0; i < RTE_MAX_ETHPORTS; i++)
163 if (is_bit_set(i, portmask))
164 for (j = i + 1; j < RTE_MAX_ETHPORTS; j++)
165 if (is_bit_set(j, portmask)) {
174 setup_shared_variables(void)
176 const struct rte_memzone *qw_memzone;
178 qw_memzone = rte_memzone_reserve(QUOTA_WATERMARK_MEMZONE_NAME,
179 3 * sizeof(int), rte_socket_id(), 0);
180 if (qw_memzone == NULL)
181 rte_exit(EXIT_FAILURE, "%s\n", rte_strerror(rte_errno));
183 quota = qw_memzone->addr;
184 low_watermark = (unsigned int *) qw_memzone->addr + 1;
185 high_watermark = (unsigned int *) qw_memzone->addr + 2;