1 // SPDX-License-Identifier: GPL-2.0
2 #include <net/genetlink.h>
3 #include <net/netns/generic.h>
4 #include <uapi/linux/genetlink.h>
7 static const struct nla_policy ila_nl_policy[ILA_ATTR_MAX + 1] = {
8 [ILA_ATTR_LOCATOR] = { .type = NLA_U64, },
9 [ILA_ATTR_LOCATOR_MATCH] = { .type = NLA_U64, },
10 [ILA_ATTR_IFINDEX] = { .type = NLA_U32, },
11 [ILA_ATTR_CSUM_MODE] = { .type = NLA_U8, },
12 [ILA_ATTR_IDENT_TYPE] = { .type = NLA_U8, },
15 static const struct genl_ops ila_nl_ops[] = {
18 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
19 .doit = ila_xlat_nl_cmd_add_mapping,
20 .flags = GENL_ADMIN_PERM,
24 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
25 .doit = ila_xlat_nl_cmd_del_mapping,
26 .flags = GENL_ADMIN_PERM,
30 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
31 .doit = ila_xlat_nl_cmd_flush,
32 .flags = GENL_ADMIN_PERM,
36 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
37 .doit = ila_xlat_nl_cmd_get_mapping,
38 .start = ila_xlat_nl_dump_start,
39 .dumpit = ila_xlat_nl_dump,
40 .done = ila_xlat_nl_dump_done,
44 unsigned int ila_net_id;
46 struct genl_family ila_nl_family __ro_after_init = {
48 .name = ILA_GENL_NAME,
49 .version = ILA_GENL_VERSION,
50 .maxattr = ILA_ATTR_MAX,
51 .policy = ila_nl_policy,
54 .module = THIS_MODULE,
56 .n_ops = ARRAY_SIZE(ila_nl_ops),
57 .resv_start_op = ILA_CMD_FLUSH + 1,
60 static __net_init int ila_init_net(struct net *net)
64 err = ila_xlat_init_net(net);
66 goto ila_xlat_init_fail;
74 static __net_exit void ila_exit_net(struct net *net)
76 ila_xlat_exit_net(net);
79 static struct pernet_operations ila_net_ops = {
83 .size = sizeof(struct ila_net),
86 static int __init ila_init(void)
90 ret = register_pernet_device(&ila_net_ops);
92 goto register_device_fail;
94 ret = genl_register_family(&ila_nl_family);
96 goto register_family_fail;
105 genl_unregister_family(&ila_nl_family);
106 register_family_fail:
107 unregister_pernet_device(&ila_net_ops);
108 register_device_fail:
112 static void __exit ila_fini(void)
115 genl_unregister_family(&ila_nl_family);
116 unregister_pernet_device(&ila_net_ops);
119 module_init(ila_init);
120 module_exit(ila_fini);
121 MODULE_AUTHOR("Tom Herbert <tom@herbertland.com>");
122 MODULE_LICENSE("GPL");
123 MODULE_DESCRIPTION("IPv6: Identifier Locator Addressing (ILA)");