K 10
svn:author
V 5
andre
K 8
svn:date
V 27
2006-06-26T15:35:25.000000Z
K 7
svn:log
V 630
Some cleanups and janitorial work to tcp_dooptions():

 o redefine the parameter 'is_syn' to 'flags', add TO_SYN flag and adjust its
   usage accordingly
 o update the comments to the tcp_dooptions() invocation in
   tcp_input():after_listen to reflect reality
 o move the logic checking the echoed timestamp out of tcp_dooptions() to the
   only place that uses it next to the invocation described in the previous
   item
 o adjust parsing of TCPOPT_SACK_PERMITTED to use the same style as the others
 o add comments in to struct tcpopt.to_flags #defines

No functional changes.

Sponsored by:	TCP/IP Optimization Fundraise 2005

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