tunnel4_protocol 190 net/ipv4/tunnel4.c static const struct net_protocol tunnel4_protocol = { tunnel4_protocol 217 net/ipv4/tunnel4.c if (inet_add_protocol(&tunnel4_protocol, IPPROTO_IPIP)) tunnel4_protocol 221 net/ipv4/tunnel4.c inet_del_protocol(&tunnel4_protocol, IPPROTO_IPIP); tunnel4_protocol 227 net/ipv4/tunnel4.c inet_del_protocol(&tunnel4_protocol, IPPROTO_IPIP); tunnel4_protocol 251 net/ipv4/tunnel4.c if (inet_del_protocol(&tunnel4_protocol, IPPROTO_IPIP))