1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun #include <net/genetlink.h>
3*4882a593Smuzhiyun #include <net/ila.h>
4*4882a593Smuzhiyun #include <net/netns/generic.h>
5*4882a593Smuzhiyun #include <uapi/linux/genetlink.h>
6*4882a593Smuzhiyun #include "ila.h"
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun static const struct nla_policy ila_nl_policy[ILA_ATTR_MAX + 1] = {
9*4882a593Smuzhiyun [ILA_ATTR_LOCATOR] = { .type = NLA_U64, },
10*4882a593Smuzhiyun [ILA_ATTR_LOCATOR_MATCH] = { .type = NLA_U64, },
11*4882a593Smuzhiyun [ILA_ATTR_IFINDEX] = { .type = NLA_U32, },
12*4882a593Smuzhiyun [ILA_ATTR_CSUM_MODE] = { .type = NLA_U8, },
13*4882a593Smuzhiyun [ILA_ATTR_IDENT_TYPE] = { .type = NLA_U8, },
14*4882a593Smuzhiyun };
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun static const struct genl_ops ila_nl_ops[] = {
17*4882a593Smuzhiyun {
18*4882a593Smuzhiyun .cmd = ILA_CMD_ADD,
19*4882a593Smuzhiyun .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
20*4882a593Smuzhiyun .doit = ila_xlat_nl_cmd_add_mapping,
21*4882a593Smuzhiyun .flags = GENL_ADMIN_PERM,
22*4882a593Smuzhiyun },
23*4882a593Smuzhiyun {
24*4882a593Smuzhiyun .cmd = ILA_CMD_DEL,
25*4882a593Smuzhiyun .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
26*4882a593Smuzhiyun .doit = ila_xlat_nl_cmd_del_mapping,
27*4882a593Smuzhiyun .flags = GENL_ADMIN_PERM,
28*4882a593Smuzhiyun },
29*4882a593Smuzhiyun {
30*4882a593Smuzhiyun .cmd = ILA_CMD_FLUSH,
31*4882a593Smuzhiyun .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
32*4882a593Smuzhiyun .doit = ila_xlat_nl_cmd_flush,
33*4882a593Smuzhiyun .flags = GENL_ADMIN_PERM,
34*4882a593Smuzhiyun },
35*4882a593Smuzhiyun {
36*4882a593Smuzhiyun .cmd = ILA_CMD_GET,
37*4882a593Smuzhiyun .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
38*4882a593Smuzhiyun .doit = ila_xlat_nl_cmd_get_mapping,
39*4882a593Smuzhiyun .start = ila_xlat_nl_dump_start,
40*4882a593Smuzhiyun .dumpit = ila_xlat_nl_dump,
41*4882a593Smuzhiyun .done = ila_xlat_nl_dump_done,
42*4882a593Smuzhiyun },
43*4882a593Smuzhiyun };
44*4882a593Smuzhiyun
45*4882a593Smuzhiyun unsigned int ila_net_id;
46*4882a593Smuzhiyun
47*4882a593Smuzhiyun struct genl_family ila_nl_family __ro_after_init = {
48*4882a593Smuzhiyun .hdrsize = 0,
49*4882a593Smuzhiyun .name = ILA_GENL_NAME,
50*4882a593Smuzhiyun .version = ILA_GENL_VERSION,
51*4882a593Smuzhiyun .maxattr = ILA_ATTR_MAX,
52*4882a593Smuzhiyun .policy = ila_nl_policy,
53*4882a593Smuzhiyun .netnsok = true,
54*4882a593Smuzhiyun .parallel_ops = true,
55*4882a593Smuzhiyun .module = THIS_MODULE,
56*4882a593Smuzhiyun .ops = ila_nl_ops,
57*4882a593Smuzhiyun .n_ops = ARRAY_SIZE(ila_nl_ops),
58*4882a593Smuzhiyun };
59*4882a593Smuzhiyun
ila_init_net(struct net * net)60*4882a593Smuzhiyun static __net_init int ila_init_net(struct net *net)
61*4882a593Smuzhiyun {
62*4882a593Smuzhiyun int err;
63*4882a593Smuzhiyun
64*4882a593Smuzhiyun err = ila_xlat_init_net(net);
65*4882a593Smuzhiyun if (err)
66*4882a593Smuzhiyun goto ila_xlat_init_fail;
67*4882a593Smuzhiyun
68*4882a593Smuzhiyun return 0;
69*4882a593Smuzhiyun
70*4882a593Smuzhiyun ila_xlat_init_fail:
71*4882a593Smuzhiyun return err;
72*4882a593Smuzhiyun }
73*4882a593Smuzhiyun
ila_exit_net(struct net * net)74*4882a593Smuzhiyun static __net_exit void ila_exit_net(struct net *net)
75*4882a593Smuzhiyun {
76*4882a593Smuzhiyun ila_xlat_exit_net(net);
77*4882a593Smuzhiyun }
78*4882a593Smuzhiyun
79*4882a593Smuzhiyun static struct pernet_operations ila_net_ops = {
80*4882a593Smuzhiyun .init = ila_init_net,
81*4882a593Smuzhiyun .exit = ila_exit_net,
82*4882a593Smuzhiyun .id = &ila_net_id,
83*4882a593Smuzhiyun .size = sizeof(struct ila_net),
84*4882a593Smuzhiyun };
85*4882a593Smuzhiyun
ila_init(void)86*4882a593Smuzhiyun static int __init ila_init(void)
87*4882a593Smuzhiyun {
88*4882a593Smuzhiyun int ret;
89*4882a593Smuzhiyun
90*4882a593Smuzhiyun ret = register_pernet_device(&ila_net_ops);
91*4882a593Smuzhiyun if (ret)
92*4882a593Smuzhiyun goto register_device_fail;
93*4882a593Smuzhiyun
94*4882a593Smuzhiyun ret = genl_register_family(&ila_nl_family);
95*4882a593Smuzhiyun if (ret)
96*4882a593Smuzhiyun goto register_family_fail;
97*4882a593Smuzhiyun
98*4882a593Smuzhiyun ret = ila_lwt_init();
99*4882a593Smuzhiyun if (ret)
100*4882a593Smuzhiyun goto fail_lwt;
101*4882a593Smuzhiyun
102*4882a593Smuzhiyun return 0;
103*4882a593Smuzhiyun
104*4882a593Smuzhiyun fail_lwt:
105*4882a593Smuzhiyun genl_unregister_family(&ila_nl_family);
106*4882a593Smuzhiyun register_family_fail:
107*4882a593Smuzhiyun unregister_pernet_device(&ila_net_ops);
108*4882a593Smuzhiyun register_device_fail:
109*4882a593Smuzhiyun return ret;
110*4882a593Smuzhiyun }
111*4882a593Smuzhiyun
ila_fini(void)112*4882a593Smuzhiyun static void __exit ila_fini(void)
113*4882a593Smuzhiyun {
114*4882a593Smuzhiyun ila_lwt_fini();
115*4882a593Smuzhiyun genl_unregister_family(&ila_nl_family);
116*4882a593Smuzhiyun unregister_pernet_device(&ila_net_ops);
117*4882a593Smuzhiyun }
118*4882a593Smuzhiyun
119*4882a593Smuzhiyun module_init(ila_init);
120*4882a593Smuzhiyun module_exit(ila_fini);
121*4882a593Smuzhiyun MODULE_AUTHOR("Tom Herbert <tom@herbertland.com>");
122*4882a593Smuzhiyun MODULE_LICENSE("GPL");
123*4882a593Smuzhiyun MODULE_DESCRIPTION("IPv6: Identifier Locator Addressing (ILA)");
124