From nobody Sat Feb 7 08:02:08 2026 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 514C0CE7A88 for ; Sun, 24 Sep 2023 15:18:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230018AbjIXPSQ (ORCPT ); Sun, 24 Sep 2023 11:18:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46860 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229559AbjIXPRx (ORCPT ); Sun, 24 Sep 2023 11:17:53 -0400 Received: from out30-111.freemail.mail.aliyun.com (out30-111.freemail.mail.aliyun.com [115.124.30.111]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 369601AD; Sun, 24 Sep 2023 08:17:33 -0700 (PDT) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R871e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018045192;MF=guwen@linux.alibaba.com;NM=1;PH=DS;RN=18;SR=0;TI=SMTPD_---0VsinOdy_1695568647; Received: from localhost(mailfrom:guwen@linux.alibaba.com fp:SMTPD_---0VsinOdy_1695568647) by smtp.aliyun-inc.com; Sun, 24 Sep 2023 23:17:29 +0800 From: Wen Gu To: kgraul@linux.ibm.com, wenjia@linux.ibm.com, jaka@linux.ibm.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com Cc: wintera@linux.ibm.com, schnelle@linux.ibm.com, gbayer@linux.ibm.com, pasic@linux.ibm.com, alibuda@linux.alibaba.com, tonylu@linux.alibaba.com, dust.li@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 v4 13/18] net/smc: register loopback device as SMC-Dv2 device Date: Sun, 24 Sep 2023 23:16:48 +0800 Message-Id: <1695568613-125057-14-git-send-email-guwen@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1695568613-125057-1-git-send-email-guwen@linux.alibaba.com> References: <1695568613-125057-1-git-send-email-guwen@linux.alibaba.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" After loopback device gets ready, add it to the smcd_dev list as an SMC-Dv2 device for use by SMC-D protocol. Signed-off-by: Wen Gu --- net/smc/smc_loopback.c | 23 ++++++++++++++++------- 1 file changed, 16 insertions(+), 7 deletions(-) diff --git a/net/smc/smc_loopback.c b/net/smc/smc_loopback.c index eb13291..8375575 100644 --- a/net/smc/smc_loopback.c +++ b/net/smc/smc_loopback.c @@ -304,18 +304,27 @@ static int smcd_lo_register_dev(struct smc_lo_dev *ld= ev) =20 ldev->smcd =3D smcd; smcd->priv =3D ldev; - - /* TODO: - * register smc_lo to smcd_dev list. - */ + mutex_lock(&smcd_dev_list.mutex); + smc_ism_check_v2_capable(smcd); + list_add(&smcd->list, &smcd_dev_list.list); + mutex_unlock(&smcd_dev_list.mutex); + pr_warn_ratelimited("smc: adding smcd device %s with pnetid %.16s%s\n", + smc_lo_dev_name, smcd->pnetid, + smcd->pnetid_by_user ? " (user defined)" : ""); return 0; } =20 static void smcd_lo_unregister_dev(struct smc_lo_dev *ldev) { - /* TODO: - * unregister smc_lo from smcd_dev list. - */ + struct smcd_dev *smcd =3D ldev->smcd; + + pr_warn_ratelimited("smc: removing smcd device %s\n", + smc_lo_dev_name); + smcd->going_away =3D 1; + smc_smcd_terminate_all(smcd); + mutex_lock(&smcd_dev_list.mutex); + list_del_init(&smcd->list); + mutex_unlock(&smcd_dev_list.mutex); } =20 static void smc_lo_dev_release(struct device *dev) --=20 1.8.3.1