Symbol: NET_HCK_L4_PART
usr/src/uts/common/inet/ip/ip_netinfo.c
1149
ret |= (int)NET_HCK_L4_PART;
usr/src/uts/common/sys/neti.h
80
((net_ispartialchecksum(n, x) & NET_HCK_L4_PART) == NET_HCK_L4_PART)