1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
|
/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2010-2014 Intel Corporation
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <inttypes.h>
#include <sys/types.h>
#include <string.h>
#include <sys/queue.h>
#include <stdarg.h>
#include <errno.h>
#include <getopt.h>
#include <rte_common.h>
#include <rte_byteorder.h>
#include <rte_log.h>
#include <rte_memory.h>
#include <rte_memcpy.h>
#include <rte_eal.h>
#include <rte_per_lcore.h>
#include <rte_launch.h>
#include <rte_atomic.h>
#include <rte_cycles.h>
#include <rte_prefetch.h>
#include <rte_lcore.h>
#include <rte_branch_prediction.h>
#include <rte_interrupts.h>
#include <rte_pci.h>
#include <rte_random.h>
#include <rte_debug.h>
#include <rte_ether.h>
#include <rte_ethdev.h>
#include <rte_ring.h>
#include <rte_mempool.h>
#include <rte_mbuf.h>
#include <rte_string_fns.h>
#include <rte_ip.h>
#include <rte_tcp.h>
#include <rte_lpm.h>
#include <rte_lpm6.h>
#include "main.h"
struct app_params app = {
/* Ports*/
.n_ports = APP_MAX_PORTS,
.port_rx_ring_size = 128,
.port_tx_ring_size = 512,
/* Rings */
.ring_rx_size = 128,
.ring_tx_size = 128,
/* Buffer pool */
.pool_buffer_size = 2048 + RTE_PKTMBUF_HEADROOM,
.pool_size = 32 * 1024,
.pool_cache_size = 256,
/* Burst sizes */
.burst_size_rx_read = 64,
.burst_size_rx_write = 64,
.burst_size_worker_read = 64,
.burst_size_worker_write = 64,
.burst_size_tx_read = 64,
.burst_size_tx_write = 64,
};
static struct rte_eth_conf port_conf = {
.rxmode = {
.split_hdr_size = 0,
.header_split = 0, /* Header Split disabled */
.hw_ip_checksum = 1, /* IP checksum offload enabled */
.hw_vlan_filter = 0, /* VLAN filtering disabled */
.jumbo_frame = 0, /* Jumbo Frame Support disabled */
.hw_strip_crc = 1, /* CRC stripped by hardware */
},
.rx_adv_conf = {
.rss_conf = {
.rss_key = NULL,
.rss_hf = ETH_RSS_IP,
},
},
.txmode = {
.mq_mode = ETH_MQ_TX_NONE,
},
};
static struct rte_eth_rxconf rx_conf = {
.rx_thresh = {
.pthresh = 8,
.hthresh = 8,
.wthresh = 4,
},
.rx_free_thresh = 64,
.rx_drop_en = 0,
};
static struct rte_eth_txconf tx_conf = {
.tx_thresh = {
.pthresh = 36,
.hthresh = 0,
.wthresh = 0,
},
.tx_free_thresh = 0,
.tx_rs_thresh = 0,
};
static void
app_init_mbuf_pools(void)
{
/* Init the buffer pool */
RTE_LOG(INFO, USER1, "Creating the mbuf pool ...\n");
app.pool = rte_pktmbuf_pool_create("mempool", app.pool_size,
app.pool_cache_size, 0, app.pool_buffer_size, rte_socket_id());
if (app.pool == NULL)
rte_panic("Cannot create mbuf pool\n");
}
static void
app_init_rings(void)
{
uint32_t i;
for (i = 0; i < app.n_ports; i++) {
char name[32];
snprintf(name, sizeof(name), "app_ring_rx_%u", i);
app.rings_rx[i] = rte_ring_create(
name,
app.ring_rx_size,
rte_socket_id(),
RING_F_SP_ENQ | RING_F_SC_DEQ);
if (app.rings_rx[i] == NULL)
rte_panic("Cannot create RX ring %u\n", i);
}
for (i = 0; i < app.n_ports; i++) {
char name[32];
snprintf(name, sizeof(name), "app_ring_tx_%u", i);
app.rings_tx[i] = rte_ring_create(
name,
app.ring_tx_size,
rte_socket_id(),
RING_F_SP_ENQ | RING_F_SC_DEQ);
if (app.rings_tx[i] == NULL)
rte_panic("Cannot create TX ring %u\n", i);
}
}
static void
app_ports_check_link(void)
{
uint32_t all_ports_up, i;
all_ports_up = 1;
for (i = 0; i < app.n_ports; i++) {
struct rte_eth_link link;
uint16_t port;
port = app.ports[i];
memset(&link, 0, sizeof(link));
rte_eth_link_get_nowait(port, &link);
RTE_LOG(INFO, USER1, "Port %u (%u Gbps) %s\n",
port,
link.link_speed / 1000,
link.link_status ? "UP" : "DOWN");
if (link.link_status == ETH_LINK_DOWN)
all_ports_up = 0;
}
if (all_ports_up == 0)
rte_panic("Some NIC ports are DOWN\n");
}
static void
app_init_ports(void)
{
uint32_t i;
/* Init NIC ports, then start the ports */
for (i = 0; i < app.n_ports; i++) {
uint16_t port;
int ret;
port = app.ports[i];
RTE_LOG(INFO, USER1, "Initializing NIC port %u ...\n", port);
/* Init port */
ret = rte_eth_dev_configure(
port,
1,
1,
&port_conf);
if (ret < 0)
rte_panic("Cannot init NIC port %u (%d)\n", port, ret);
rte_eth_promiscuous_enable(port);
/* Init RX queues */
ret = rte_eth_rx_queue_setup(
port,
0,
app.port_rx_ring_size,
rte_eth_dev_socket_id(port),
&rx_conf,
app.pool);
if (ret < 0)
rte_panic("Cannot init RX for port %u (%d)\n",
(uint32_t) port, ret);
/* Init TX queues */
ret = rte_eth_tx_queue_setup(
port,
0,
app.port_tx_ring_size,
rte_eth_dev_socket_id(port),
&tx_conf);
if (ret < 0)
rte_panic("Cannot init TX for port %u (%d)\n",
(uint32_t) port, ret);
/* Start port */
ret = rte_eth_dev_start(port);
if (ret < 0)
rte_panic("Cannot start port %u (%d)\n", port, ret);
}
app_ports_check_link();
}
void
app_init(void)
{
app_init_mbuf_pools();
app_init_rings();
app_init_ports();
RTE_LOG(INFO, USER1, "Initialization completed\n");
}
|
