1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2015 Intel Corporation
9 #include <rte_common.h>
10 #include <rte_spinlock.h>
12 #include <rte_ethdev.h>
13 #include <rte_ether.h>
15 #include <rte_memory.h>
16 #include <rte_mempool.h>
21 #define MAX_PORTS RTE_MAX_ETHPORTS
22 #define MAX_BURST_LENGTH 32
23 #define PORT_RX_QUEUE_SIZE 128
24 #define PORT_TX_QUEUE_SIZE 256
25 #define PKTPOOL_EXTRA_SIZE 512
26 #define PKTPOOL_CACHE 32
31 struct rte_mbuf *buf_frames[MAX_BURST_LENGTH];
35 struct ether_addr mac_addr;
41 struct rte_mempool *pkt_pool;
45 struct app_port ports[MAX_PORTS];
51 struct app_config app_cfg;
54 void lock_port(int idx_port)
56 struct app_port *ptr_port = &app_cfg.ports[idx_port];
58 rte_spinlock_lock(&ptr_port->lock);
61 void unlock_port(int idx_port)
63 struct app_port *ptr_port = &app_cfg.ports[idx_port];
65 rte_spinlock_unlock(&ptr_port->lock);
68 void mark_port_active(int idx_port)
70 struct app_port *ptr_port = &app_cfg.ports[idx_port];
72 ptr_port->port_active = 1;
75 void mark_port_inactive(int idx_port)
77 struct app_port *ptr_port = &app_cfg.ports[idx_port];
79 ptr_port->port_active = 0;
82 void mark_port_newmac(int idx_port)
84 struct app_port *ptr_port = &app_cfg.ports[idx_port];
86 ptr_port->port_dirty = 1;
89 static void setup_ports(struct app_config *app_cfg, int cnt_ports)
93 struct rte_eth_conf cfg_port;
94 struct rte_eth_dev_info dev_info;
96 uint16_t nb_rxd = PORT_RX_QUEUE_SIZE;
97 uint16_t nb_txd = PORT_TX_QUEUE_SIZE;
99 memset(&cfg_port, 0, sizeof(cfg_port));
100 cfg_port.txmode.mq_mode = ETH_MQ_TX_NONE;
102 for (idx_port = 0; idx_port < cnt_ports; idx_port++) {
103 struct app_port *ptr_port = &app_cfg->ports[idx_port];
105 rte_eth_dev_info_get(idx_port, &dev_info);
106 size_pktpool = dev_info.rx_desc_lim.nb_max +
107 dev_info.tx_desc_lim.nb_max + PKTPOOL_EXTRA_SIZE;
109 snprintf(str_name, 16, "pkt_pool%i", idx_port);
110 ptr_port->pkt_pool = rte_pktmbuf_pool_create(
112 size_pktpool, PKTPOOL_CACHE,
114 RTE_MBUF_DEFAULT_BUF_SIZE,
117 if (ptr_port->pkt_pool == NULL)
118 rte_exit(EXIT_FAILURE,
119 "rte_pktmbuf_pool_create failed"
122 printf("Init port %i..\n", idx_port);
123 ptr_port->port_active = 1;
124 ptr_port->port_dirty = 0;
125 ptr_port->idx_port = idx_port;
127 if (rte_eth_dev_configure(idx_port, 1, 1, &cfg_port) < 0)
128 rte_exit(EXIT_FAILURE,
129 "rte_eth_dev_configure failed");
130 if (rte_eth_dev_adjust_nb_rx_tx_desc(idx_port, &nb_rxd,
132 rte_exit(EXIT_FAILURE,
133 "rte_eth_dev_adjust_nb_rx_tx_desc failed");
134 if (rte_eth_rx_queue_setup(
136 rte_eth_dev_socket_id(idx_port), NULL,
137 ptr_port->pkt_pool) < 0)
138 rte_exit(EXIT_FAILURE,
139 "rte_eth_rx_queue_setup failed"
141 if (rte_eth_tx_queue_setup(
143 rte_eth_dev_socket_id(idx_port), NULL) < 0)
144 rte_exit(EXIT_FAILURE,
145 "rte_eth_tx_queue_setup failed"
147 if (rte_eth_dev_start(idx_port) < 0)
148 rte_exit(EXIT_FAILURE,
149 "%s:%i: rte_eth_dev_start failed",
152 rte_eth_macaddr_get(idx_port, &ptr_port->mac_addr);
153 rte_spinlock_init(&ptr_port->lock);
157 static void process_frame(struct app_port *ptr_port,
158 struct rte_mbuf *ptr_frame)
160 struct ether_hdr *ptr_mac_hdr;
162 ptr_mac_hdr = rte_pktmbuf_mtod(ptr_frame, struct ether_hdr *);
163 ether_addr_copy(&ptr_mac_hdr->s_addr, &ptr_mac_hdr->d_addr);
164 ether_addr_copy(&ptr_port->mac_addr, &ptr_mac_hdr->s_addr);
167 static int slave_main(__attribute__((unused)) void *ptr_data)
169 struct app_port *ptr_port;
170 struct rte_mbuf *ptr_frame;
171 struct txq_port *txq;
173 uint16_t cnt_recv_frames;
177 uint16_t lock_result;
179 while (app_cfg.exit_now == 0) {
180 for (idx_port = 0; idx_port < app_cfg.cnt_ports; idx_port++) {
181 /* Check that port is active and unlocked */
182 ptr_port = &app_cfg.ports[idx_port];
183 lock_result = rte_spinlock_trylock(&ptr_port->lock);
184 if (lock_result == 0)
186 if (ptr_port->port_active == 0) {
187 rte_spinlock_unlock(&ptr_port->lock);
190 txq = &ptr_port->txq;
192 /* MAC address was updated */
193 if (ptr_port->port_dirty == 1) {
194 rte_eth_macaddr_get(ptr_port->idx_port,
195 &ptr_port->mac_addr);
196 ptr_port->port_dirty = 0;
199 /* Incoming frames */
200 cnt_recv_frames = rte_eth_rx_burst(
201 ptr_port->idx_port, 0,
202 &txq->buf_frames[txq->cnt_unsent],
203 RTE_DIM(txq->buf_frames) - txq->cnt_unsent
205 if (cnt_recv_frames > 0) {
207 idx_frame < cnt_recv_frames;
209 ptr_frame = txq->buf_frames[
210 idx_frame + txq->cnt_unsent];
211 process_frame(ptr_port, ptr_frame);
213 txq->cnt_unsent += cnt_recv_frames;
216 /* Outgoing frames */
217 if (txq->cnt_unsent > 0) {
218 cnt_sent = rte_eth_tx_burst(
219 ptr_port->idx_port, 0,
223 /* Shuffle up unsent frame pointers */
224 for (idx_frame = cnt_sent;
225 idx_frame < txq->cnt_unsent;
227 txq->buf_frames[idx_frame - cnt_sent] =
228 txq->buf_frames[idx_frame];
229 txq->cnt_unsent -= cnt_sent;
231 rte_spinlock_unlock(&ptr_port->lock);
232 } /* end for( idx_port ) */
238 int main(int argc, char **argv)
244 /* Init runtime environment */
245 cnt_args_parsed = rte_eal_init(argc, argv);
246 if (cnt_args_parsed < 0)
247 rte_exit(EXIT_FAILURE, "rte_eal_init(): Failed");
249 cnt_ports = rte_eth_dev_count();
250 printf("Number of NICs: %i\n", cnt_ports);
252 rte_exit(EXIT_FAILURE, "No available NIC ports!\n");
253 if (cnt_ports > MAX_PORTS) {
254 printf("Info: Using only %i of %i ports\n",
257 cnt_ports = MAX_PORTS;
260 setup_ports(&app_cfg, cnt_ports);
262 app_cfg.exit_now = 0;
263 app_cfg.cnt_ports = cnt_ports;
265 if (rte_lcore_count() < 2)
266 rte_exit(EXIT_FAILURE, "No available slave core!\n");
267 /* Assume there is an available slave.. */
268 id_core = rte_lcore_id();
269 id_core = rte_get_next_lcore(id_core, 1, 1);
270 rte_eal_remote_launch(slave_main, NULL, id_core);
274 app_cfg.exit_now = 1;
275 RTE_LCORE_FOREACH_SLAVE(id_core) {
276 if (rte_eal_wait_lcore(id_core) < 0)