Symbol: IPV6_RECVTCLASS
usr/src/boot/include/netinet6/in6.h
470
#define IPV6_RECVTCLASS 57 /* bool; recv traffic class values */
usr/src/uts/common/netinet/in.h
1263
#define IPV6_RECVTCLASS 0x19 /* enable/disable IPV6_TCLASS */