tree 514e21311486f9c7639b45fb757860a06142b29e
parent f3b815baac3d7098fa494595487a79164e6dc667
author Mikio Hara <mikioh.mikioh@gmail.com> 1390958632 +0900
committer Mikio Hara <mikioh.mikioh@gmail.com> 1390958632 +0900
golang-hg 93f5aef8cb255f3cd59534351f74cb9da5234ae5

go.net/ipv4: handle total length field correctly on FreeBSD 10

FreeBSD 10 kernel has changed its incoming IPv4 packet handling
to stop trimming some IPv4 header fields on raw socket IO. This CL
just adapts package's IPv4 header representation to look the same
even on FreeBSD 10 kernel.

For further information:
http://svnweb.freebsd.org/base/head/?view=log&pathrev=226105
http://svnweb.freebsd.org/base/head/?view=log&pathrev=241913
http://svnweb.freebsd.org/base/head/?view=log&pathrev=241923

LGTM=iant
R=golang-codereviews, gobot, dave, iant
CC=golang-codereviews
https://golang.org/cl/53030043