2
* src/cls-utils.c Classifier Helpers
4
* This library is free software; you can redistribute it and/or
5
* modify it under the terms of the GNU General Public License as
6
* published by the Free Software Foundation version 2 of the License.
8
* Copyright (c) 2008-2009 Thomas Graf <tgraf@suug.ch>
13
struct rtnl_cls *nlt_alloc_cls(void)
17
cls = rtnl_cls_alloc();
19
fatal(ENOMEM, "Unable to allocate classifier object");
24
void parse_dev(struct rtnl_cls *cls, struct nl_cache *link_cache, char *arg)
28
if (!(ival = rtnl_link_name2i(link_cache, arg)))
29
fatal(ENOENT, "Link \"%s\" does not exist", arg);
31
rtnl_cls_set_ifindex(cls, ival);
34
void parse_prio(struct rtnl_cls *cls, char *arg)
36
uint32_t prio = parse_u32(arg);
37
rtnl_cls_set_prio(cls, prio);
40
void parse_parent(struct rtnl_cls *cls, char *arg)
45
if ((err = rtnl_tc_str2handle(arg, &parent)) < 0)
46
fatal(err, "Unable to parse handle \"%s\": %s",
47
arg, nl_geterror(err));
49
rtnl_cls_set_parent(cls, parent);
52
void parse_handle(struct rtnl_cls *cls, char *arg)
57
if ((err = rtnl_tc_str2handle(arg, &handle)) < 0)
58
fatal(err, "Unable to parse handle \"%s\": %s",
59
arg, nl_geterror(err));
61
rtnl_cls_set_handle(cls, handle);
64
void parse_proto(struct rtnl_cls *cls, char *arg)
66
int proto = nl_str2ether_proto(arg);
68
fatal(proto, "Unable to parse protocol \"%s\": %s",
69
arg, nl_geterror(proto));
70
rtnl_cls_set_protocol(cls, proto);
73
static NL_LIST_HEAD(cls_modules);
75
struct cls_module *lookup_cls_mod(struct rtnl_cls_ops *ops)
77
struct cls_module *mod;
79
nl_list_for_each_entry(mod, &cls_modules, list) {
87
void register_cls_module(struct cls_module *mod)
89
struct rtnl_cls_ops *ops;
91
if (!(ops = __rtnl_cls_lookup_ops(mod->name)))
92
fatal(ENOENT, "Could not locate classifier module \"%s\"",
95
if (lookup_cls_mod(ops) != NULL)
96
fatal(EEXIST, "Duplicate classifier module registration.");
99
nl_list_add_tail(&mod->list, &cls_modules);
102
void unregister_cls_module(struct cls_module *mod)
104
nl_list_del(&mod->list);