From patchwork Sat Oct 16 09:37:42 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Karsten Graul X-Patchwork-Id: 12563435 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 297D8C433EF for ; Sat, 16 Oct 2021 09:38:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0D4E2611C1 for ; Sat, 16 Oct 2021 09:38:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243958AbhJPJki (ORCPT ); Sat, 16 Oct 2021 05:40:38 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:16234 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240032AbhJPJkh (ORCPT ); Sat, 16 Oct 2021 05:40:37 -0400 Received: from pps.filterd (m0098393.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 19G6VWmh018537; Sat, 16 Oct 2021 05:38:28 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : content-transfer-encoding : mime-version; s=pp1; bh=nlm6TeUpa3wo4o7+D4VnfaNWFqyTjzNRzH2v01K8rqw=; b=JbF5+BUsk6GFSwJXkQCh9aUA6e0rC1/HPcxxmhlLMFY0U9WMKCSyIfYW5QCgYxn+I6Ym 1tBlpxeIyz+FmOuQEl8yTDjFengojPIKe/lz7UTjr+mU3jMdLza6OfOSA7lGggaFuVi1 Bkp6dMrRp3Mnl7dVkzuH/Mtv/TeFxGlwv2dosNBvqgsNujdOQzz/8PSy5tPyRmd2PFxy jQPke+bVUVRlpeb9nOcsNE/cKA4qU8HgOqZ8GU/wQ5lsosVHO8s8yD9AX6uv5zu6HUel 6YLvLZHEP8SYJfDPn1TuSd3aflNxfMoJj4wYxM65lIzTXd7lvZZgA4pmDyBTO/DtUbzl mg== Received: from ppma01fra.de.ibm.com (46.49.7a9f.ip4.static.sl-reverse.com [159.122.73.70]) by mx0a-001b2d01.pphosted.com with ESMTP id 3bqshxajbk-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sat, 16 Oct 2021 05:38:28 -0400 Received: from pps.filterd (ppma01fra.de.ibm.com [127.0.0.1]) by ppma01fra.de.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 19G9bvPU004515; Sat, 16 Oct 2021 09:38:25 GMT Received: from b06cxnps4076.portsmouth.uk.ibm.com (d06relay13.portsmouth.uk.ibm.com [9.149.109.198]) by ppma01fra.de.ibm.com with ESMTP id 3bqpc99622-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sat, 16 Oct 2021 09:38:25 +0000 Received: from d06av22.portsmouth.uk.ibm.com (d06av22.portsmouth.uk.ibm.com [9.149.105.58]) by b06cxnps4076.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 19G9cN7G63963480 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sat, 16 Oct 2021 09:38:23 GMT Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2B6104C040; Sat, 16 Oct 2021 09:38:23 +0000 (GMT) Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id E8DB44C04E; Sat, 16 Oct 2021 09:38:22 +0000 (GMT) Received: from tuxmaker.boeblingen.de.ibm.com (unknown [9.152.85.9]) by d06av22.portsmouth.uk.ibm.com (Postfix) with ESMTP; Sat, 16 Oct 2021 09:38:22 +0000 (GMT) From: Karsten Graul To: David Miller , Jakub Kicinski Cc: netdev@vger.kernel.org, linux-s390@vger.kernel.org, Heiko Carstens , linux-rdma@vger.kernel.org Subject: [PATCH net-next v3 00/10] net/smc: introduce SMC-Rv2 support Date: Sat, 16 Oct 2021 11:37:42 +0200 Message-Id: <20211016093752.3564615-1-kgraul@linux.ibm.com> X-Mailer: git-send-email 2.25.1 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: TpbjcRAoVVKlUSmrXrrS8JY5LjY7ykR5 X-Proofpoint-GUID: TpbjcRAoVVKlUSmrXrrS8JY5LjY7ykR5 X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.182.1,Aquarius:18.0.790,Hydra:6.0.425,FMLib:17.0.607.475 definitions=2021-10-16_02,2021-10-14_02,2020-04-07_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 clxscore=1015 bulkscore=0 mlxscore=0 lowpriorityscore=0 adultscore=0 mlxlogscore=625 impostorscore=0 malwarescore=0 phishscore=0 priorityscore=1501 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2109230001 definitions=main-2110160058 Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org Please apply the following patch series for smc to netdev's net-next tree. SMC-Rv2 support (see https://www.ibm.com/support/pages/node/6326337) provides routable RoCE support for SMC-R, eliminating the current same-subnet restriction, by exploiting the UDP encapsulation feature of the RoCE adapter hardware. v2: resend of the v1 patch series, and CC linux-rdma this time v3: rebase after net tree was merged into net-next Karsten Graul (10): net/smc: save stack space and allocate smc_init_info net/smc: prepare for SMC-Rv2 connection net/smc: add SMC-Rv2 connection establishment net/smc: add listen processing for SMC-Rv2 net/smc: add v2 format of CLC decline message net/smc: retrieve v2 gid from IB device net/smc: add v2 support to the work request layer net/smc: extend LLC layer for SMC-Rv2 net/smc: add netlink support for SMC-Rv2 net/smc: stop links when their GID is removed include/uapi/linux/smc.h | 17 +- net/smc/af_smc.c | 431 +++++++++++++++++++-------- net/smc/smc.h | 20 +- net/smc/smc_clc.c | 147 +++++++-- net/smc/smc_clc.h | 55 +++- net/smc/smc_core.c | 173 ++++++++--- net/smc/smc_core.h | 50 +++- net/smc/smc_ib.c | 160 +++++++++- net/smc/smc_ib.h | 16 +- net/smc/smc_llc.c | 623 +++++++++++++++++++++++++++++++-------- net/smc/smc_llc.h | 12 +- net/smc/smc_pnet.c | 41 ++- net/smc/smc_wr.c | 237 +++++++++++++-- net/smc/smc_wr.h | 8 + 14 files changed, 1607 insertions(+), 383 deletions(-)