almost 7 years ago, this commit introduced the _IP_VHL hack in our
] revision 1.7
] date: 1995/12/21 21:20:27; author: wollman; state: Exp; lines: +5 -1
] If _IP_VHL is defined, declare a single ip_vhl member in struct ip rather
] than separate ip_v and ip_hl members. Should have no effect on current code,
] but I'd eventually like to get rid of those obnoxious bitfields completely.
We can argue a lot about how long time we should wait for "eventually",
but I would say that 7 years is far too long, considering the status: