int __init br_netlink_init(void)
{
int err;
err = rtnl_link_register(&br_link_ops);
if (err < 0)
goto err1;
err = __rtnl_register(PF_BRIDGE, RTM_GETLINK, NULL, br_dump_ifinfo);
if (err)
goto err2;
err = __rtnl_register(PF_BRIDGE, RTM_SETLINK, br_rtm_setlink, NULL);
if (err)
goto err3;
err = __rtnl_register(PF_BRIDGE, RTM_NEWNEIGH, br_fdb_add, NULL);
if (err)
goto err3;
err = __rtnl_register(PF_BRIDGE, RTM_DELNEIGH, br_fdb_delete, NULL);
if (err)
goto err3;
err = __rtnl_register(PF_BRIDGE, RTM_GETNEIGH, NULL, br_fdb_dump);
if (err)
goto err3;
return 0;
err3:
rtnl_unregister_all(PF_BRIDGE);
err2:
rtnl_link_unregister(&br_link_ops);
err1:
return err;
}
int __init br_netlink_init(void)
{
if (__rtnl_register(PF_BRIDGE, RTM_GETLINK, NULL, br_dump_ifinfo))
return -ENOBUFS;
/* Only the first call to __rtnl_register can fail */
__rtnl_register(PF_BRIDGE, RTM_SETLINK, br_rtm_setlink, NULL);
return 0;
}
/**
* rtnl_register - Register a rtnetlink message type
*
* Identical to __rtnl_register() but panics on failure. This is useful
* as failure of this function is very unlikely, it can only happen due
* to lack of memory when allocating the chain to store all message
* handlers for a protocol. Meant for use in init functions where lack
* of memory implies no sense in continueing.
*/
void rtnl_register(int protocol, int msgtype,
rtnl_doit_func doit, rtnl_dumpit_func dumpit)
{
if (__rtnl_register(protocol, msgtype, doit, dumpit) < 0)
panic("Unable to register rtnetlink message handler, "
"protocol = %d, message type = %d\n",
protocol, msgtype);
}
