Symbol: IPPROTO_IPIP
sys/net/ip_mroute/ip_mroute.c
128
#define ENCAP_PROTO IPPROTO_IPIP /* 4 */
usr.sbin/ppp/filter.c
373
case IPPROTO_IPIP:
usr.sbin/ppp/ip.c
731
case IPPROTO_IPIP: