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From: bugzilla-daemon-590EEB7GvNiWaY/ihj7yzEB+6BGkLq7r@public.gmane.org
To: linux-man-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: [Bug 35852] SO_PRIORITY does not set TOS field in IP header
Date: Tue, 05 May 2015 19:24:28 +0000	[thread overview]
Message-ID: <bug-35852-11311-D2jjKsMZ8s@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-35852-11311-3bo0kxnWaOQUvHkbgXJLS5sdmw4N0Rt+2LY78lusg7I@public.gmane.org/>

https://bugzilla.kernel.org/show_bug.cgi?id=35852

Michael Kerrisk <mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
         Resolution|---                         |CODE_FIX

--- Comment #2 from Michael Kerrisk <mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
(In reply to advaitdixit from comment #0)
> The socket man page says that setsockopt with level=SOL_SOCKET  and
> optname=SO_PRIORITY sets the TOS field in IP header:
> http://www.kernel.org/doc/man-pages/online/pages/man7/socket.7.html
> 
> However, my experiments and other web search results suggest that the socket
> man page is wrong. SO_PRIORITY does not seem to set the TOS field in the IP
> header.

A quick scan of the kernel source also finds nothing to suggest that
SO_PRIORITY sets the TOS field in the IP header.

Various URLs question this text in teh man page
http://mailman.isi.edu/pipermail/ns-developers/2012-September/010638.html
https://athena.ecs.csus.edu/~bransone/pub/misc/netfilter_notes/qos
https://ocrete.ca/2009/07/24/when-a-man-page-lies/
http://lkml.iu.edu/hypermail/linux/net/0512.3/0008.html

So, I'll remove this text from socket(7) (and also similar text in ip(7)), and
close this bug.

Thanks.

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  parent reply	other threads:[~2015-05-05 19:24 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-25 22:58 [Bug 35852] New: SO_PRIORITY does not set TOS field in IP header bugzilla-daemon-590EEB7GvNiWaY/ihj7yzEB+6BGkLq7r
     [not found] ` <bug-35852-11311-3bo0kxnWaOQUvHkbgXJLS5sdmw4N0Rt+2LY78lusg7I@public.gmane.org/>
2014-06-25 15:57   ` [Bug 35852] " bugzilla-daemon-590EEB7GvNiWaY/ihj7yzEB+6BGkLq7r
2015-05-05 19:24   ` bugzilla-daemon-590EEB7GvNiWaY/ihj7yzEB+6BGkLq7r [this message]
2015-05-06  8:50   ` bugzilla-daemon-590EEB7GvNiWaY/ihj7yzEB+6BGkLq7r

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