rwatson ca47fccd6b Convert pcbinfo and inpcb mutexes to rwlocks, and modify macros to ... explicitly select write locking for all use of the inpcb mutex. Update some pcbinfo lock assertions to assert locked rather than write-locked, although in practice almost all uses of the pcbinfo rwlock main exclusive, and all instances of inpcb lock acquisition are exclusive. This change should introduce (ideally) little functional change. However, it lays the groundwork for significantly increased parallelism in the TCP/IP code. MFC after: 3 months Tested by: kris (superset of committered patch)		2008-04-17 21:38:18 +00:00
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net	Convert pcbinfo and inpcb mutexes to rwlocks, and modify macros to	2008-04-17 21:38:18 +00:00
netinet	Use in_cksum_skip() to calculate in4_cksum instead of doing handrolled magic	2004-08-05 20:41:38 +00:00