Every bit is sacred.  Use as few bits as possible in tcp_options_received.
Group related timestamp flag bits for cache line memory efficiency.

Fix #define spacing for TCP options.

Define and parse 64-bit timestamp extended option (and minor cleanup).
However, only 32-bits are used at this time (permitted by specification).

Parse cookie pair extended option (previously defined).

Handle header extension.

Fix initialization in tcp_minisocks.

Requires:
   net: tcp_header_len_th and tcp_option_len_th
   TCPCT part 2f: cleanup tcp_parse_options

Signed-off-by: William.Allen.Simpson@gmail.com
---
  include/linux/tcp.h      |   12 ++++-
  include/net/tcp.h        |   45 +++++++++--------
  net/ipv4/tcp_input.c     |  123 ++++++++++++++++++++++++++++++++++++++++++----
  net/ipv4/tcp_minisocks.c |    6 ++
  4 files changed, 152 insertions(+), 34 deletions(-)