Max Laier 2bbe8ffc9d Bring diff from the security/pf port. This has code been tested as a port ... for a long time and is run in production use. This is the code present in portversion 2.03 with some additional tweaks. The rather extensive diff accounts for: - locking (to enable pf to work with a giant-free netstack) - byte order difference between OpenBSD and FreeBSD for ip_len/ip_off - conversion from pool(9) to zone(9) - api differences etc. Approved by: bms(mentor) (in general)		2004-02-26 02:34:12 +00:00
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in4_cksum.c	Bring diff from the security/pf port. This has code been tested as a port	2004-02-26 02:34:12 +00:00