K 10 svn:author V 6 tuexen K 8 svn:date V 27 2020-11-30T10:58:06.719160Z K 7 svn:log V 789 MFC r367530: RFC 7323 specifies that: * TCP segments without timestamps should be dropped when support for the timestamp option has been negotiated. * TCP segments with timestamps should be processed normally if support for the timestamp option has not been negotiated. This patch enforces the above. Manually resolved merge conflicts. MFC 367891: Fix an issue I introuced in r367530: tcp_twcheck() can be called with to == NULL for SYN segments. So don't assume tp != NULL. Thanks to jhb@ for reporting and suggesting a fix. MFC r367946: Fix two occurences of a typo in a comment introduced in r367530. Thanks to lstewart@ for reporting them. PR: 250499 Reviewed by: gnn, rrs Sponsored by: Netflix, Inc. Differential Revision: https://reviews.freebsd.org/D27148 END