From mboxrd@z Thu Jan 1 00:00:00 1970 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 224E1C2FC27 for ; Thu, 17 Aug 2023 13:21:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351323AbjHQNUx (ORCPT ); Thu, 17 Aug 2023 09:20:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42352 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1351355AbjHQNUm (ORCPT ); Thu, 17 Aug 2023 09:20:42 -0400 Received: from out30-98.freemail.mail.aliyun.com (out30-98.freemail.mail.aliyun.com [115.124.30.98]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BD5F11FF3; Thu, 17 Aug 2023 06:20:39 -0700 (PDT) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R811e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018046059;MF=guangguan.wang@linux.alibaba.com;NM=1;PH=DS;RN=14;SR=0;TI=SMTPD_---0Vq.3QOU_1692278434; Received: from localhost.localdomain(mailfrom:guangguan.wang@linux.alibaba.com fp:SMTPD_---0Vq.3QOU_1692278434) by smtp.aliyun-inc.com; Thu, 17 Aug 2023 21:20:36 +0800 From: Guangguan Wang To: wenjia@linux.ibm.com, jaka@linux.ibm.com, kgraul@linux.ibm.com, tonylu@linux.alibaba.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com Cc: horms@kernel.org, alibuda@linux.alibaba.com, guwen@linux.alibaba.com, linux-s390@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH net-next v2 0/6] net/smc: several features's implementation for smc v2.1 Date: Thu, 17 Aug 2023 21:20:26 +0800 Message-Id: <20230817132032.23397-1-guangguan.wang@linux.alibaba.com> X-Mailer: git-send-email 2.24.3 (Apple Git-128) MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch set implement several new features in SMC v2.1(https:// www.ibm.com/support/pages/node/7009315), including vendor unique experimental options, max connections per lgr negotiation, max links per lgr negotiation. v1 - v2: - rename field fce_v20 to fce_v2_base in struct smc_clc_first_contact_ext_v2x - use smc_get_clc_first_contact_ext in smc_connect _rdma_v2_prepare - adding comment about field vendor_oui in struct smc_clc_msg_smcd - remove comment about SMC_CONN_PER_LGR_MAX in smc_ clc_srv_v2x_features_validate - rename smc_clc_clnt_v2x_features_validate RFC v2 - v1: - more description in commit message - modify SMC_CONN_PER_LGR_xxx and SMC_LINKS_ADD_LNK_xxx macro defination and usage - rename field release_ver to release_nr - remove redundant release version check in client - explicitly set the rc value in smc_llc_cli/srv_add_link RFC v1 - RFC v2: - Remove ini pointer NULL check and fix code style in smc_clc_send_confirm_accept. - Optimize the max_conns check in smc_clc_xxx_v2x_features_validate. Guangguan Wang (6): net/smc: support smc release version negotiation in clc handshake net/smc: add vendor unique experimental options area in clc handshake net/smc: support smc v2.x features validate net/smc: support max connections per lgr negotiation net/smc: support max links per lgr negotiation in clc handshake net/smc: Extend SMCR v2 linkgroup netlink attribute include/uapi/linux/smc.h | 2 + net/smc/af_smc.c | 86 +++++++++++++++++------ net/smc/smc.h | 5 +- net/smc/smc_clc.c | 147 ++++++++++++++++++++++++++++++++------- net/smc/smc_clc.h | 53 ++++++++++++-- net/smc/smc_core.c | 13 +++- net/smc/smc_core.h | 25 +++++++ net/smc/smc_llc.c | 25 +++++-- 8 files changed, 299 insertions(+), 57 deletions(-) -- 2.24.3 (Apple Git-128)