From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: [PATCH 5/5] ss: Show inet and unix sockets' shutdown state Date: Thu, 25 Oct 2012 18:53:30 +0200 Message-ID: <1351184010.6537.158.camel@edumazet-glaptop> References: <50893BAF.7030500@parallels.com> <50893E14.60001@parallels.com> <20121025085229.3aa43b68@nehalam.linuxnetplumber.net> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: Pavel Emelyanov , Linux Netdev List To: Stephen Hemminger Return-path: Received: from mail-ee0-f46.google.com ([74.125.83.46]:48515 "EHLO mail-ee0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933024Ab2JYQxe (ORCPT ); Thu, 25 Oct 2012 12:53:34 -0400 Received: by mail-ee0-f46.google.com with SMTP id b15so707223eek.19 for ; Thu, 25 Oct 2012 09:53:33 -0700 (PDT) In-Reply-To: <20121025085229.3aa43b68@nehalam.linuxnetplumber.net> Sender: netdev-owner@vger.kernel.org List-ID: On Thu, 2012-10-25 at 08:52 -0700, Stephen Hemminger wrote: > On Thu, 25 Oct 2012 17:26:44 +0400 > Pavel Emelyanov wrote: > > > To see this we need kernel >=3.7 with _SHUTDOWN nlarrts in diag messages. > > The output will look like arrows at the end of each line, like this: > > > > ESTAB 0 0 127.0.0.1:41705 127.0.0.1:12345 ino:143321 sk:ffff88003a8cea00 --> > > ESTAB 0 0 127.0.0.1:46925 127.0.0.1:12346 ino:143322 sk:ffff88003a8ce4c0 <-- > > ESTAB 0 0 127.0.0.1:51678 127.0.0.1:12347 ino:143323 sk:ffff88003a8cdf80 --- > > ESTAB 0 0 127.0.0.1:46911 127.0.0.1:12348 ino:143324 sk:ffff88003b7f05c0 <-> > > > > for SHUT_RD, SHUT_WR, SHUT_RDWR and non-shutdown sockets respectively. > > > > Signed-off-by: Pavel Emelyanov > > > > --- > > include/linux/inet_diag.h | 3 ++- > > include/linux/unix_diag.h | 1 + > > misc/ss.c | 26 ++++++++++++++++++++------ > > 3 files changed, 23 insertions(+), 7 deletions(-) > > > > diff --git a/include/linux/inet_diag.h b/include/linux/inet_diag.h > > index 8c469af..bbde90f 100644 > > --- a/include/linux/inet_diag.h > > +++ b/include/linux/inet_diag.h > > @@ -109,9 +109,10 @@ enum { > > INET_DIAG_TOS, > > INET_DIAG_TCLASS, > > INET_DIAG_SKMEMINFO, > > + INET_DIAG_SHUTDOWN, > > }; > > Since this requires 3.8 or later kernel, please resubmit this > patch during that merge window. > -- I am wondering what possibly could happen if applying this before ? iproute2 should be non dependent on kernel version, we make sure to not add regressions.