diff options
| author | Michael Kerrisk <mtk.manpages@gmail.com> | 2015-05-06 10:02:57 +0200 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2015-05-06 10:02:57 +0200 |
| commit | 5d75650a151a57d6c712fbbf5c16659e367418bd (patch) | |
| tree | c8769d198cd93b8467ebd579d717d685377eef9c /man7 | |
| parent | d3c203f1a2279770c73b9b5a8477654f2abea6b6 (diff) | |
| download | man-pages-5d75650a151a57d6c712fbbf5c16659e367418bd.tar.gz | |
socket.7: srcfix: Add some comments on the undocumented SO_NO_CHECK option
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
Diffstat (limited to 'man7')
| -rw-r--r-- | man7/socket.7 | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/man7/socket.7 b/man7/socket.7 index bc9118bdcc..24796c02c5 100644 --- a/man7/socket.7 +++ b/man7/socket.7 @@ -433,6 +433,13 @@ Otherwise, out-of-band data is passed only when the flag is set during receiving. .\" don't document it because it can do too much harm. .\".B SO_NO_CHECK +.\" The kernel has support for the SO_NO_CHECK socket +.\" option (boolean: 0 == default, calculate checksum on xmit, +.\" 1 == do not calculate checksum on xmit). +.\" Additional note from Andi Kleen on SO_NO_CHECK (2010-08-30) +.\" On Linux UDP checksums are essentially free and there's no reason +.\" to turn them off and it would disable another safety line. +.\" That is why I didn't document the option. .TP .B SO_PASSCRED Enable or disable the receiving of the |