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
|
/*
* src/nl-class-add.c Add/Update/Replace Traffic Class
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation version 2.1
* of the License.
*
* Copyright (c) 2010 Thomas Graf <tgraf@suug.ch>
*/
#include <netlink/cli/utils.h>
#include <netlink/cli/tc.h>
#include <netlink/cli/qdisc.h>
#include <netlink/cli/class.h>
#include <netlink/cli/link.h>
static int quiet = 0;
static void print_usage(void)
{
printf(
"Usage: nl-class-add [OPTIONS]... class [CONFIGURATION]...\n"
"\n"
"OPTIONS\n"
" -q, --quiet Do not print informal notifications.\n"
" -h, --help Show this help text.\n"
" -v, --version Show versioning information.\n"
" --update Update class if it exists.\n"
" --update-only Only update class, never create it.\n"
" -d, --dev=DEV Network device the class should be attached to.\n"
" -i, --id=ID ID of new class (default: auto-generated)\n"
" -p, --parent=ID ID of parent { root | ingress | class-ID }\n"
" --mtu=SIZE Overwrite MTU (default: MTU of network device)\n"
" --mpu=SIZE Minimum packet size on the link (default: 0).\n"
" --overhead=SIZE Overhead in bytes per packet (default: 0).\n"
" --linktype=TYPE Overwrite linktype (default: type of network device)\n"
"\n"
"CONFIGURATION\n"
" -h, --help Show help text of class specific options.\n"
"\n"
"EXAMPLE\n"
" $ nl-class-add --dev=eth1 --parent=root htb --rate=100mbit\n"
"\n"
);
exit(0);
}
int main(int argc, char *argv[])
{
struct nl_sock *sock;
struct rtnl_class *class;
struct rtnl_tc *tc;
struct nl_cache *link_cache;
struct nl_dump_params dp = {
.dp_type = NL_DUMP_DETAILS,
.dp_fd = stdout,
};
struct nl_cli_qdisc_module *qm;
struct rtnl_class_ops *ops;
int err, flags = NLM_F_CREATE | NLM_F_EXCL;
char *kind, *id = NULL;
sock = nl_cli_alloc_socket();
nl_cli_connect(sock, NETLINK_ROUTE);
link_cache = nl_cli_link_alloc_cache(sock);
class = nl_cli_class_alloc();
tc = (struct rtnl_tc *) class;
for (;;) {
int c, optidx = 0;
enum {
ARG_UPDATE = 257,
ARG_UPDATE_ONLY = 258,
ARG_MTU,
ARG_MPU,
ARG_OVERHEAD,
ARG_LINKTYPE,
};
static struct option long_opts[] = {
{ "quiet", 0, 0, 'q' },
{ "help", 0, 0, 'h' },
{ "version", 0, 0, 'v' },
{ "dev", 1, 0, 'd' },
{ "parent", 1, 0, 'p' },
{ "id", 1, 0, 'i' },
{ "update", 0, 0, ARG_UPDATE },
{ "update-only", 0, 0, ARG_UPDATE_ONLY },
{ "mtu", 1, 0, ARG_MTU },
{ "mpu", 1, 0, ARG_MPU },
{ "overhead", 1, 0, ARG_OVERHEAD },
{ "linktype", 1, 0, ARG_LINKTYPE },
{ 0, 0, 0, 0 }
};
c = getopt_long(argc, argv, "+qhvd:p:i:",
long_opts, &optidx);
if (c == -1)
break;
switch (c) {
case 'q': quiet = 1; break;
case 'h': print_usage(); break;
case 'v': nl_cli_print_version(); break;
case 'd': nl_cli_tc_parse_dev(tc, link_cache, optarg); break;
case 'p': nl_cli_tc_parse_parent(tc, optarg); break;
case 'i': id = strdup(optarg); break;
case ARG_UPDATE: flags = NLM_F_CREATE; break;
case ARG_UPDATE_ONLY: flags = 0; break;
case ARG_MTU: nl_cli_tc_parse_mtu(tc, optarg); break;
case ARG_MPU: nl_cli_tc_parse_mpu(tc, optarg); break;
case ARG_OVERHEAD: nl_cli_tc_parse_overhead(tc, optarg); break;
case ARG_LINKTYPE: nl_cli_tc_parse_linktype(tc, optarg); break;
}
}
if (optind >= argc)
print_usage();
if (!rtnl_tc_get_ifindex(tc))
nl_cli_fatal(EINVAL, "You must specify a network device (--dev=XXX)");
if (!rtnl_tc_get_parent(tc))
nl_cli_fatal(EINVAL, "You must specify a parent (--parent=XXX)");
if (id) {
nl_cli_tc_parse_handle(tc, id, 1);
free(id);
}
kind = argv[optind++];
rtnl_class_set_kind(class, kind);
if (!(ops = rtnl_class_lookup_ops(class)))
nl_cli_fatal(ENOENT, "Unknown class \"%s\"", kind);
if (!(qm = nl_cli_qdisc_lookup_by_class(ops)))
nl_cli_fatal(ENOTSUP, "class type \"%s\" not supported.", kind);
qm->qm_parse_class_argv(class, argc, argv);
if (!quiet) {
printf("Adding ");
nl_object_dump(OBJ_CAST(class), &dp);
}
if ((err = rtnl_class_add(sock, class, flags)) < 0)
nl_cli_fatal(EINVAL, "Unable to add class: %s", nl_geterror(err));
return 0;
}
|
