From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ursula Braun Subject: [PATCH net-next 0/2] TCP experimental option for SMC rendezvous Date: Mon, 16 Oct 2017 17:42:00 +0200 Message-ID: <20171016154202.72635-1-ubraun@linux.vnet.ibm.com> Cc: netdev@vger.kernel.org, linux-s390@vger.kernel.org, jwi@linux.vnet.ibm.com, schwidefsky@de.ibm.com, heiko.carstens@de.ibm.com, raspl@linux.vnet.ibm.com, ubraun@linux.vnet.ibm.com To: davem@davemloft.net Return-path: Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:53558 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752477AbdJPPmL (ORCPT ); Mon, 16 Oct 2017 11:42:11 -0400 Received: from pps.filterd (m0098393.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id v9GFdrSf001359 for ; Mon, 16 Oct 2017 11:42:10 -0400 Received: from e06smtp13.uk.ibm.com (e06smtp13.uk.ibm.com [195.75.94.109]) by mx0a-001b2d01.pphosted.com with ESMTP id 2dmvrst0sd-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Mon, 16 Oct 2017 11:42:10 -0400 Received: from localhost by e06smtp13.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 16 Oct 2017 16:42:08 +0100 Sender: netdev-owner@vger.kernel.org List-ID: Dave, SMC-capability is to be negotiated with a TCP experimental option. As requested during code review of our previous approach using netfilter hooks, here's a new version. It touches tcp-code in the first patch and exploits the new tcp flag in the smc-code. Kind regards, Ursula Ursula Braun (2): tcp: TCP experimental option for SMC smc: add SMC rendezvous protocol include/linux/tcp.h | 9 ++++-- include/net/inet_sock.h | 3 +- include/net/tcp.h | 8 ++++++ net/ipv4/tcp.c | 6 ++++ net/ipv4/tcp_input.c | 45 ++++++++++++++++++++++++++++++ net/ipv4/tcp_minisocks.c | 20 ++++++++++++++ net/ipv4/tcp_output.c | 71 ++++++++++++++++++++++++++++++++++++++++++++++-- net/smc/af_smc.c | 21 +++++++++++++- 8 files changed, 176 insertions(+), 7 deletions(-) -- 2.13.5