IPV6_FLOWINFO_MASK
(*pr)("IPv6: Flow INFO = 0x%07x\n", flow & IPV6_FLOWINFO_MASK);
ip6->ip6_flow = (ip6->ip6_flow & ~IPV6_FLOWINFO_MASK) |
(in6p_flowinfo(inp) & IPV6_FLOWINFO_MASK);
ip6->ip6_flow = in6p_flowinfo(inp) & IPV6_FLOWINFO_MASK;
ip6->ip6_flow &= ~IPV6_FLOWINFO_MASK;
flowinfo = (u_int32_t)ntohl(ip6->ip6_flow & IPV6_FLOWINFO_MASK);
ip6->ip6_flow = in6p_flowinfo(inp) & IPV6_FLOWINFO_MASK;
ip6->ip6_flow = in6p_flowinfo(inp) & IPV6_FLOWINFO_MASK;