#include "net/genetlink.h" #include #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) /* We use multicast groups 16 through 31 to avoid colliding with the multicast * group selected by brcompat_mod, which uses groups 32. Collision isn't * fatal--multicast listeners should check that the family is the one that they * want and discard others--but it wastes time and memory to receive unwanted * messages. */ int genl_register_mc_group(struct genl_family *family, struct genl_multicast_group *grp) { /* This code is called single-threaded. */ static unsigned int next_id = 0; grp->id = next_id++ % 16 + 16; grp->family = family; return 0; } #endif /* kernel < 2.6.23 */