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