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
|
#include <marsio.h>
#include <stdio.h>
#include <assert.h>
#include <stdlib.h>
#include <pthread.h>
#include <unistd.h>
static char appsym[64] = "rxonly";
static char dev_symbol[64] = "meth0";
uint64_t cpu_mask = 0x3c;
unsigned int nr_thread;
struct mr_instance * mr_instance = NULL;
struct mr_vdev * dev_handler = NULL;
struct mr_sendpath * sendpath = NULL;
#define BURST_MAX 64
unsigned int nr_burst = 32;
unsigned int self_loop = 0;
void * txonly_loop(void * arg)
{
uintptr_t sid = (uintptr_t)arg;
marsio_buff_t * rx_buff[BURST_MAX];
unsigned int ret = 0;
marsio_thread_init(mr_instance);
for (;;)
{
ret = marsio_recv_burst(dev_handler, sid, rx_buff, nr_burst);
if (!self_loop)
{
marsio_buff_free(mr_instance, rx_buff, ret, 0, 0);
}
else
{
marsio_send_burst(sendpath, sid, rx_buff, ret);
}
}
return (void *)NULL;
}
int help()
{
return 0;
}
int main(int argc, char * argv[])
{
int opt = 0;
while ((opt = getopt(argc, argv, "s:t:a:c:b:d:h?rl")) != -1)
{
char * endptr = NULL;
switch (opt)
{
case '?':
case 'h':
{
help();
break;
}
case 'd':
{
snprintf(dev_symbol, sizeof(dev_symbol), "%s", optarg);
break;
}
case 'a':
{
snprintf(appsym, sizeof(appsym), "%s", optarg);
break;
}
case 'c':
{
cpu_mask = strtoull(optarg, &endptr, 0);
if (cpu_mask == 0 && endptr == optarg) help();
break;
}
case 'b':
{
nr_burst = strtoull(optarg, &endptr, 0);
if (nr_burst == 0 && endptr == optarg) help();
break;
}
case 'l':
{
self_loop = 1;
break;
}
default:
help();
break;
}
}
mr_instance = marsio_create();
if (mr_instance == NULL)
{
fprintf(stderr, "Marsio instance create failed. ");
abort();
}
unsigned int opt_value = 1;
marsio_option_set(mr_instance, MARSIO_OPT_EXIT_WHEN_ERR, &opt_value, sizeof(opt_value));
marsio_option_set(mr_instance, MARSIO_OPT_THREAD_MASK, &cpu_mask, sizeof(cpu_mask));
marsio_init(mr_instance, appsym);
nr_thread = __builtin_popcountll(cpu_mask);
dev_handler = marsio_open_device(mr_instance, dev_symbol, nr_thread, nr_thread);
fprintf(stdout, "Thread Count = %d\n", nr_thread);
if (self_loop)
{
sendpath = marsio_sendpath_create(mr_instance, MR_SENDPATH_VDEV, dev_handler);
}
pthread_t __tmp_pid[nr_thread];
for (int i = 0; i < nr_thread; i++)
{
pthread_create(&__tmp_pid[i], NULL, txonly_loop, (void *) (uintptr_t) i);
}
for (int i = 0; i < nr_thread; i++)
{
pthread_join(__tmp_pid[i], NULL);
}
marsio_destory(mr_instance);
fprintf(stdout, "RXONLY is terminated. ");
return 0;
}
|
