ecbbe83144
in_cksum() and related routines are implemented separately for each platform, but only i386 and arm have optimized versions. Other platforms' copies of in_cksum.c are identical except for style differences and support for big-endian CPUs. Deduplicate the implementations for the rest of the platforms. This will make it easier to implement in_cksum() for unmapped mbufs. On arm and i386, define HAVE_MD_IN_CKSUM to mean that the MI implementation is not to be compiled. No functional change intended. Reviewed by: kp, glebius MFC after: 1 week Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D33095 |
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