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// SPDX-License-Identifier: GPL-2.0
#include <net/genetlink.h>
#include <net/netns/generic.h>
#include <uapi/linux/genetlink.h>
#include "ila.h"
static const struct nla_policy ila_nl_policy[ILA_ATTR_MAX + 1] = {
[ILA_ATTR_LOCATOR] = { .type = NLA_U64, },
[ILA_ATTR_LOCATOR_MATCH] = { .type = NLA_U64, },
[ILA_ATTR_IFINDEX] = { .type = NLA_U32, },
[ILA_ATTR_CSUM_MODE] = { .type = NLA_U8, },
[ILA_ATTR_IDENT_TYPE] = { .type = NLA_U8, },
};
static const struct genl_ops ila_nl_ops[] = {
{
.cmd = ILA_CMD_ADD,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = ila_xlat_nl_cmd_add_mapping,
.flags = GENL_ADMIN_PERM,
},
{
.cmd = ILA_CMD_DEL,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = ila_xlat_nl_cmd_del_mapping,
.flags = GENL_ADMIN_PERM,
},
{
.cmd = ILA_CMD_FLUSH,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = ila_xlat_nl_cmd_flush,
.flags = GENL_ADMIN_PERM,
},
{
.cmd = ILA_CMD_GET,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = ila_xlat_nl_cmd_get_mapping,
.start = ila_xlat_nl_dump_start,
.dumpit = ila_xlat_nl_dump,
.done = ila_xlat_nl_dump_done,
},
};
unsigned int ila_net_id;
struct genl_family ila_nl_family __ro_after_init = {
.hdrsize = 0,
.name = ILA_GENL_NAME,
.version = ILA_GENL_VERSION,
.maxattr = ILA_ATTR_MAX,
.policy = ila_nl_policy,
.netnsok = true,
.parallel_ops = true,
.module = THIS_MODULE,
.ops = ila_nl_ops,
.n_ops = ARRAY_SIZE(ila_nl_ops),
.resv_start_op = ILA_CMD_FLUSH + 1,
};
static __net_init int ila_init_net(struct net *net)
{
int err;
err = ila_xlat_init_net(net);
if (err)
goto ila_xlat_init_fail;
return 0;
ila_xlat_init_fail:
return err;
}
static __net_exit void ila_exit_net(struct net *net)
{
ila_xlat_exit_net(net);
}
static struct pernet_operations ila_net_ops = {
.init = ila_init_net,
.exit = ila_exit_net,
.id = &ila_net_id,
.size = sizeof(struct ila_net),
};
static int __init ila_init(void)
{
int ret;
ret = register_pernet_device(&ila_net_ops);
if (ret)
goto register_device_fail;
ret = genl_register_family(&ila_nl_family);
if (ret)
goto register_family_fail;
ret = ila_lwt_init();
if (ret)
goto fail_lwt;
return 0;
fail_lwt:
genl_unregister_family(&ila_nl_family);
register_family_fail:
unregister_pernet_device(&ila_net_ops);
register_device_fail:
return ret;
}
static void __exit ila_fini(void)
{
ila_lwt_fini();
genl_unregister_family(&ila_nl_family);
unregister_pernet_device(&ila_net_ops);
}
module_init(ila_init);
module_exit(ila_fini);
MODULE_AUTHOR("Tom Herbert <tom@herbertland.com>");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("IPv6: Identifier Locator Addressing (ILA)");
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