1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2014 Intel Corporation
3 */
4
5 #include <stdio.h>
6 #include <stdlib.h>
7 #include <stdint.h>
8 #include <inttypes.h>
9 #include <sys/types.h>
10 #include <string.h>
11 #include <sys/queue.h>
12 #include <stdarg.h>
13 #include <errno.h>
14 #include <getopt.h>
15
16 #include <rte_common.h>
17 #include <rte_byteorder.h>
18 #include <rte_log.h>
19 #include <rte_memory.h>
20 #include <rte_memcpy.h>
21 #include <rte_eal.h>
22 #include <rte_per_lcore.h>
23 #include <rte_launch.h>
24 #include <rte_atomic.h>
25 #include <rte_cycles.h>
26 #include <rte_prefetch.h>
27 #include <rte_lcore.h>
28 #include <rte_branch_prediction.h>
29 #include <rte_interrupts.h>
30 #include <rte_pci.h>
31 #include <rte_random.h>
32 #include <rte_debug.h>
33 #include <rte_ether.h>
34 #include <rte_ethdev.h>
35 #include <rte_ring.h>
36 #include <rte_mempool.h>
37 #include <rte_mbuf.h>
38 #include <rte_string_fns.h>
39 #include <rte_ip.h>
40 #include <rte_tcp.h>
41 #include <rte_lpm.h>
42 #include <rte_lpm6.h>
43
44 #include "main.h"
45
46 struct app_params app = {
47 /* Ports*/
48 .n_ports = APP_MAX_PORTS,
49 .port_rx_ring_size = 128,
50 .port_tx_ring_size = 512,
51
52 /* Rings */
53 .ring_rx_size = 128,
54 .ring_tx_size = 128,
55
56 /* Buffer pool */
57 .pool_buffer_size = 2048 + RTE_PKTMBUF_HEADROOM,
58 .pool_size = 32 * 1024,
59 .pool_cache_size = 256,
60
61 /* Burst sizes */
62 .burst_size_rx_read = 64,
63 .burst_size_rx_write = 64,
64 .burst_size_worker_read = 64,
65 .burst_size_worker_write = 64,
66 .burst_size_tx_read = 64,
67 .burst_size_tx_write = 64,
68 };
69
70 static struct rte_eth_conf port_conf = {
71 .rxmode = {
72 .split_hdr_size = 0,
73 .offloads = DEV_RX_OFFLOAD_CHECKSUM,
74 },
75 .rx_adv_conf = {
76 .rss_conf = {
77 .rss_key = NULL,
78 .rss_hf = ETH_RSS_IP,
79 },
80 },
81 .txmode = {
82 .mq_mode = ETH_MQ_TX_NONE,
83 },
84 };
85
86 static struct rte_eth_rxconf rx_conf = {
87 .rx_thresh = {
88 .pthresh = 8,
89 .hthresh = 8,
90 .wthresh = 4,
91 },
92 .rx_free_thresh = 64,
93 .rx_drop_en = 0,
94 };
95
96 static struct rte_eth_txconf tx_conf = {
97 .tx_thresh = {
98 .pthresh = 36,
99 .hthresh = 0,
100 .wthresh = 0,
101 },
102 .tx_free_thresh = 0,
103 .tx_rs_thresh = 0,
104 };
105
106 static void
app_init_mbuf_pools(void)107 app_init_mbuf_pools(void)
108 {
109 /* Init the buffer pool */
110 RTE_LOG(INFO, USER1, "Creating the mbuf pool ...\n");
111 app.pool = rte_pktmbuf_pool_create("mempool", app.pool_size,
112 app.pool_cache_size, 0, app.pool_buffer_size, rte_socket_id());
113 if (app.pool == NULL)
114 rte_panic("Cannot create mbuf pool\n");
115 }
116
117 static void
app_init_rings(void)118 app_init_rings(void)
119 {
120 uint32_t i;
121
122 for (i = 0; i < app.n_ports; i++) {
123 char name[32];
124
125 snprintf(name, sizeof(name), "app_ring_rx_%u", i);
126
127 app.rings_rx[i] = rte_ring_create(
128 name,
129 app.ring_rx_size,
130 rte_socket_id(),
131 RING_F_SP_ENQ | RING_F_SC_DEQ);
132
133 if (app.rings_rx[i] == NULL)
134 rte_panic("Cannot create RX ring %u\n", i);
135 }
136
137 for (i = 0; i < app.n_ports; i++) {
138 char name[32];
139
140 snprintf(name, sizeof(name), "app_ring_tx_%u", i);
141
142 app.rings_tx[i] = rte_ring_create(
143 name,
144 app.ring_tx_size,
145 rte_socket_id(),
146 RING_F_SP_ENQ | RING_F_SC_DEQ);
147
148 if (app.rings_tx[i] == NULL)
149 rte_panic("Cannot create TX ring %u\n", i);
150 }
151
152 }
153
154 static void
app_ports_check_link(void)155 app_ports_check_link(void)
156 {
157 uint32_t all_ports_up, i;
158 char link_status_text[RTE_ETH_LINK_MAX_STR_LEN];
159 all_ports_up = 1;
160
161 for (i = 0; i < app.n_ports; i++) {
162 struct rte_eth_link link;
163 uint16_t port;
164 int ret;
165
166 port = app.ports[i];
167 memset(&link, 0, sizeof(link));
168 ret = rte_eth_link_get_nowait(port, &link);
169 if (ret < 0) {
170 RTE_LOG(INFO, USER1,
171 "Failed to get port %u link status: %s\n",
172 port, rte_strerror(-ret));
173 all_ports_up = 0;
174 continue;
175 }
176 rte_eth_link_to_str(link_status_text, sizeof(link_status_text),
177 &link);
178 RTE_LOG(INFO, USER1, "Port %u %s\n",
179 port,
180 link_status_text);
181 if (link.link_status == ETH_LINK_DOWN)
182 all_ports_up = 0;
183 }
184
185 if (all_ports_up == 0)
186 rte_panic("Some NIC ports are DOWN\n");
187 }
188
189 static void
app_init_ports(void)190 app_init_ports(void)
191 {
192 uint32_t i;
193
194 /* Init NIC ports, then start the ports */
195 for (i = 0; i < app.n_ports; i++) {
196 uint16_t port;
197 int ret;
198
199 port = app.ports[i];
200 RTE_LOG(INFO, USER1, "Initializing NIC port %u ...\n", port);
201
202 /* Init port */
203 ret = rte_eth_dev_configure(
204 port,
205 1,
206 1,
207 &port_conf);
208 if (ret < 0)
209 rte_panic("Cannot init NIC port %u (%d)\n", port, ret);
210
211 ret = rte_eth_promiscuous_enable(port);
212 if (ret != 0)
213 rte_panic("Cannot enable promiscuous mode for port %u: %s\n",
214 port, rte_strerror(-ret));
215
216 /* Init RX queues */
217 ret = rte_eth_rx_queue_setup(
218 port,
219 0,
220 app.port_rx_ring_size,
221 rte_eth_dev_socket_id(port),
222 &rx_conf,
223 app.pool);
224 if (ret < 0)
225 rte_panic("Cannot init RX for port %u (%d)\n",
226 (uint32_t) port, ret);
227
228 /* Init TX queues */
229 ret = rte_eth_tx_queue_setup(
230 port,
231 0,
232 app.port_tx_ring_size,
233 rte_eth_dev_socket_id(port),
234 &tx_conf);
235 if (ret < 0)
236 rte_panic("Cannot init TX for port %u (%d)\n",
237 (uint32_t) port, ret);
238
239 /* Start port */
240 ret = rte_eth_dev_start(port);
241 if (ret < 0)
242 rte_panic("Cannot start port %u (%d)\n", port, ret);
243 }
244
245 app_ports_check_link();
246 }
247
248 void
app_init(void)249 app_init(void)
250 {
251 app_init_mbuf_pools();
252 app_init_rings();
253 app_init_ports();
254
255 RTE_LOG(INFO, USER1, "Initialization completed\n");
256 }
257