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 1024
24 #define PORT_TX_QUEUE_SIZE 1024
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;
98 struct rte_eth_txconf txconf;
100 memset(&cfg_port, 0, sizeof(cfg_port));
101 cfg_port.txmode.mq_mode = ETH_MQ_TX_NONE;
103 for (idx_port = 0; idx_port < cnt_ports; idx_port++) {
104 struct app_port *ptr_port = &app_cfg->ports[idx_port];
106 rte_eth_dev_info_get(idx_port, &dev_info);
107 size_pktpool = dev_info.rx_desc_lim.nb_max +
108 dev_info.tx_desc_lim.nb_max + PKTPOOL_EXTRA_SIZE;
110 snprintf(str_name, 16, "pkt_pool%i", idx_port);
111 ptr_port->pkt_pool = rte_pktmbuf_pool_create(
113 size_pktpool, PKTPOOL_CACHE,
115 RTE_MBUF_DEFAULT_BUF_SIZE,
118 if (ptr_port->pkt_pool == NULL)
119 rte_exit(EXIT_FAILURE,
120 "rte_pktmbuf_pool_create failed"
123 printf("Init port %i..\n", idx_port);
124 ptr_port->port_active = 1;
125 ptr_port->port_dirty = 0;
126 ptr_port->idx_port = idx_port;
128 if (rte_eth_dev_configure(idx_port, 1, 1, &cfg_port) < 0)
129 rte_exit(EXIT_FAILURE,
130 "rte_eth_dev_configure failed");
131 if (rte_eth_dev_adjust_nb_rx_tx_desc(idx_port, &nb_rxd,
133 rte_exit(EXIT_FAILURE,
134 "rte_eth_dev_adjust_nb_rx_tx_desc failed");
136 if (rte_eth_rx_queue_setup(
138 rte_eth_dev_socket_id(idx_port), NULL,
139 ptr_port->pkt_pool) < 0)
140 rte_exit(EXIT_FAILURE,
141 "rte_eth_rx_queue_setup failed"
143 txconf = dev_info.default_txconf;
144 if (rte_eth_tx_queue_setup(
146 rte_eth_dev_socket_id(idx_port), &txconf) < 0)
147 rte_exit(EXIT_FAILURE,
148 "rte_eth_tx_queue_setup failed"
150 if (rte_eth_dev_start(idx_port) < 0)
151 rte_exit(EXIT_FAILURE,
152 "%s:%i: rte_eth_dev_start failed",
155 rte_eth_macaddr_get(idx_port, &ptr_port->mac_addr);
156 rte_spinlock_init(&ptr_port->lock);
160 static void process_frame(struct app_port *ptr_port,
161 struct rte_mbuf *ptr_frame)
163 struct ether_hdr *ptr_mac_hdr;
165 ptr_mac_hdr = rte_pktmbuf_mtod(ptr_frame, struct ether_hdr *);
166 ether_addr_copy(&ptr_mac_hdr->s_addr, &ptr_mac_hdr->d_addr);
167 ether_addr_copy(&ptr_port->mac_addr, &ptr_mac_hdr->s_addr);
170 static int slave_main(__attribute__((unused)) void *ptr_data)
172 struct app_port *ptr_port;
173 struct rte_mbuf *ptr_frame;
174 struct txq_port *txq;
176 uint16_t cnt_recv_frames;
180 uint16_t lock_result;
182 while (app_cfg.exit_now == 0) {
183 for (idx_port = 0; idx_port < app_cfg.cnt_ports; idx_port++) {
184 /* Check that port is active and unlocked */
185 ptr_port = &app_cfg.ports[idx_port];
186 lock_result = rte_spinlock_trylock(&ptr_port->lock);
187 if (lock_result == 0)
189 if (ptr_port->port_active == 0) {
190 rte_spinlock_unlock(&ptr_port->lock);
193 txq = &ptr_port->txq;
195 /* MAC address was updated */
196 if (ptr_port->port_dirty == 1) {
197 rte_eth_macaddr_get(ptr_port->idx_port,
198 &ptr_port->mac_addr);
199 ptr_port->port_dirty = 0;
202 /* Incoming frames */
203 cnt_recv_frames = rte_eth_rx_burst(
204 ptr_port->idx_port, 0,
205 &txq->buf_frames[txq->cnt_unsent],
206 RTE_DIM(txq->buf_frames) - txq->cnt_unsent
208 if (cnt_recv_frames > 0) {
210 idx_frame < cnt_recv_frames;
212 ptr_frame = txq->buf_frames[
213 idx_frame + txq->cnt_unsent];
214 process_frame(ptr_port, ptr_frame);
216 txq->cnt_unsent += cnt_recv_frames;
219 /* Outgoing frames */
220 if (txq->cnt_unsent > 0) {
221 cnt_sent = rte_eth_tx_burst(
222 ptr_port->idx_port, 0,
226 /* Shuffle up unsent frame pointers */
227 for (idx_frame = cnt_sent;
228 idx_frame < txq->cnt_unsent;
230 txq->buf_frames[idx_frame - cnt_sent] =
231 txq->buf_frames[idx_frame];
232 txq->cnt_unsent -= cnt_sent;
234 rte_spinlock_unlock(&ptr_port->lock);
235 } /* end for( idx_port ) */
241 int main(int argc, char **argv)
247 /* Init runtime environment */
248 cnt_args_parsed = rte_eal_init(argc, argv);
249 if (cnt_args_parsed < 0)
250 rte_exit(EXIT_FAILURE, "rte_eal_init(): Failed");
252 cnt_ports = rte_eth_dev_count_avail();
253 printf("Number of NICs: %i\n", cnt_ports);
255 rte_exit(EXIT_FAILURE, "No available NIC ports!\n");
256 if (cnt_ports > MAX_PORTS) {
257 printf("Info: Using only %i of %i ports\n",
260 cnt_ports = MAX_PORTS;
263 setup_ports(&app_cfg, cnt_ports);
265 app_cfg.exit_now = 0;
266 app_cfg.cnt_ports = cnt_ports;
268 if (rte_lcore_count() < 2)
269 rte_exit(EXIT_FAILURE, "No available slave core!\n");
270 /* Assume there is an available slave.. */
271 id_core = rte_lcore_id();
272 id_core = rte_get_next_lcore(id_core, 1, 1);
273 rte_eal_remote_launch(slave_main, NULL, id_core);
277 app_cfg.exit_now = 1;
278 RTE_LCORE_FOREACH_SLAVE(id_core) {
279 if (rte_eal_wait_lcore(id_core) < 0)