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
|
/*
* src/nl-cls-delete.c Delete Classifier
*
* 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) 2008-2010 Thomas Graf <tgraf@suug.ch>
*/
#include <netlink/cli/utils.h>
#include <netlink/cli/cls.h>
#include <netlink/cli/link.h>
static int quiet = 0, default_yes = 0, deleted = 0, interactive = 0;
struct nl_sock *sock;
static void print_usage(void)
{
printf(
"Usage: nl-cls-delete [OPTION]... [class]\n"
"\n"
"OPTIONS\n"
" --interactive Run interactively.\n"
" --yes Set default answer to yes.\n"
" -q, --quiet Do not print informal notifications.\n"
" -h, --help Show this help text and exit.\n"
" -v, --version Show versioning information and exit.\n"
"\n"
" -d, --dev=DEV Device the classifer is attached to.\n"
" -p, --parent=ID Identifier of parent qdisc/class.\n"
" -i, --id=ID Identifier\n"
" -k, --kind=NAME Kind of classifier (e.g. basic, u32, fw)\n"
" --protocol=PROTO Protocol to match (default: all)\n"
" --prio=PRIO Priority (default: 0)\n"
"\n"
"EXAMPLE\n"
" # Delete all classifiers on eth0 attached to parent q_root:\n"
" $ nl-cls-delete --dev eth0 --parent q_root:\n"
"\n"
);
exit(0);
}
static void delete_cb(struct nl_object *obj, void *arg)
{
struct rtnl_cls *cls = nl_object_priv(obj);
struct nl_dump_params params = {
.dp_type = NL_DUMP_LINE,
.dp_fd = stdout,
};
int err;
if (interactive && !nl_cli_confirm(obj, ¶ms, default_yes))
return;
if ((err = rtnl_cls_delete(sock, cls, 0)) < 0)
nl_cli_fatal(err, "Unable to delete classifier: %s\n",
nl_geterror(err));
if (!quiet) {
printf("Deleted ");
nl_object_dump(obj, ¶ms);
}
deleted++;
}
static void __delete_link(int ifindex, struct rtnl_cls *filter)
{
struct nl_cache *cache;
uint32_t parent = rtnl_tc_get_parent((struct rtnl_tc *) filter);
cache = nl_cli_cls_alloc_cache(sock, ifindex, parent);
nl_cache_foreach_filter(cache, OBJ_CAST(filter), delete_cb, NULL);
nl_cache_free(cache);
}
static void delete_link(struct nl_object *obj, void *arg)
{
struct rtnl_link *link = nl_object_priv(obj);
__delete_link(rtnl_link_get_ifindex(link), arg);
}
int main(int argc, char *argv[])
{
struct rtnl_cls *cls;
struct rtnl_tc *tc;
struct nl_cache *link_cache;
int ifindex;
sock = nl_cli_alloc_socket();
nl_cli_connect(sock, NETLINK_ROUTE);
link_cache = nl_cli_link_alloc_cache(sock);
cls = nl_cli_cls_alloc();
tc = (struct rtnl_tc *) cls;
for (;;) {
int c, optidx = 0;
enum {
ARG_YES = 257,
ARG_INTERACTIVE = 258,
ARG_PROTO,
ARG_PRIO,
};
static struct option long_opts[] = {
{ "interactive", 0, 0, ARG_INTERACTIVE },
{ "yes", 0, 0, ARG_YES },
{ "quiet", 0, 0, 'q' },
{ "help", 0, 0, 'h' },
{ "version", 0, 0, 'v' },
{ "dev", 1, 0, 'd' },
{ "parent", 1, 0, 'p' },
{ "id", 1, 0, 'i' },
{ "kind", 1, 0, 'k' },
{ "proto", 1, 0, ARG_PROTO },
{ "prio", 1, 0, ARG_PRIO },
{ 0, 0, 0, 0 }
};
c = getopt_long(argc, argv, "qhvd:p:i:k:", long_opts, &optidx);
if (c == -1)
break;
switch (c) {
case '?': nl_cli_fatal(EINVAL, "Invalid options");
case ARG_INTERACTIVE: interactive = 1; break;
case ARG_YES: default_yes = 1; break;
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': nl_cli_tc_parse_handle(tc, optarg, 0); break;
case 'k': nl_cli_tc_parse_kind(tc, optarg); break;
case ARG_PROTO: nl_cli_cls_parse_proto(cls, optarg); break;
case ARG_PRIO:
rtnl_cls_set_prio(cls, nl_cli_parse_u32(optarg));
break;
}
}
if ((ifindex = rtnl_tc_get_ifindex(tc)))
__delete_link(ifindex, cls);
else
nl_cache_foreach(link_cache, delete_link, cls);
if (!quiet)
printf("Deleted %d classs\n", deleted);
return 0;
}
|
