xfrm_tunnel 1379 include/net/xfrm.h struct xfrm_tunnel __rcu *next; xfrm_tunnel 1535 include/net/xfrm.h int xfrm4_tunnel_register(struct xfrm_tunnel *handler, unsigned short family); xfrm_tunnel 1536 include/net/xfrm.h int xfrm4_tunnel_deregister(struct xfrm_tunnel *handler, unsigned short family);