int nlhandler_init(void)
{
/*
* The function changed between Linux 3.5.7 and 3.6, and then again from 3.6.11 to 3.7.
*
* If you're reading the kernel's Git history, that appears to be the commit
* a31f2d17b331db970259e875b7223d3aba7e3821 (v3.6-rc1~125^2~337) and then again in
* 9f00d9776bc5beb92e8bfc884a7e96ddc5589e2e (v3.7-rc1~145^2~194).
*/
#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 6, 0)
nl_socket = netlink_kernel_create(joolns_get(), NETLINK_USERSOCK, 0, receive_from_userspace,
NULL, THIS_MODULE);
#elif LINUX_VERSION_CODE < KERNEL_VERSION(3, 7, 0)
struct netlink_kernel_cfg nl_cfg = { .input = receive_from_userspace };
nl_socket = netlink_kernel_create(joolns_get(), NETLINK_USERSOCK, THIS_MODULE, &nl_cfg);
#else
struct netlink_kernel_cfg nl_cfg = { .input = receive_from_userspace };
nl_socket = netlink_kernel_create(joolns_get(), NETLINK_USERSOCK, &nl_cfg);
#endif
if (nl_socket) {
log_debug("Netlink socket created.");
} else {
log_err("Creation of netlink socket failed.\n"
"(This usually happens because you already "
"have a Jool instance running.)\n"
"I will ignore this error. However, you will "
"not be able to configure Jool via the "
"userspace application.");
}
error_pool_init();
return 0;
}
int nlhandler_init(void)
{
error_pool_init();
return register_family();
}
