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author | ru <ru@FreeBSD.org> | 2003-06-28 23:53:39 +0000 |
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committer | ru <ru@FreeBSD.org> | 2003-06-28 23:53:39 +0000 |
commit | 348e423dd913fabaea56f15eecca3d155723ee08 (patch) | |
tree | 119cebb3a669617b213ec04fe871163ae082cfb1 /share/man/man4/ip6.4 | |
parent | e4f0eb6b17525e227a1bc1d660ab253005530425 (diff) | |
download | FreeBSD-src-348e423dd913fabaea56f15eecca3d155723ee08.zip FreeBSD-src-348e423dd913fabaea56f15eecca3d155723ee08.tar.gz |
Hiten's patchset for section four manpages, slightly edited by me.
Diffstat (limited to 'share/man/man4/ip6.4')
-rw-r--r-- | share/man/man4/ip6.4 | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/share/man/man4/ip6.4 b/share/man/man4/ip6.4 index 8222ed7..52c7774 100644 --- a/share/man/man4/ip6.4 +++ b/share/man/man4/ip6.4 @@ -566,7 +566,8 @@ socket option. .Pp When writing to a raw socket the kernel will automatically fragment the packet if its size exceeds the path MTU, inserting the required -fragmentation headers. On input the kernel reassembles received +fragmentation headers. +On input the kernel reassembles received fragments, so the reader of a raw socket never sees any fragment headers. .Pp @@ -607,8 +608,10 @@ int offset = 2; setsockopt(fd, IPPROTO_IPV6, IPV6_CHECKSUM, &offset, sizeof(offset)); .Ed .Pp -By default, this socket option is disabled. Setting the offset to -1 -also disables the option. By disabled we mean (1) the kernel will +By default, this socket option is disabled. +Setting the offset to -1 +also disables the option. +By disabled we mean (1) the kernel will not calculate and store a checksum for outgoing packets, and (2) the kernel will not verify a checksum for received packets. .Pp |