From patchwork Sun Dec 10 13:24:06 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wen Gu X-Patchwork-Id: 13486410 X-Patchwork-Delegate: kuba@kernel.org Received: from out30-119.freemail.mail.aliyun.com (out30-119.freemail.mail.aliyun.com [115.124.30.119]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7E8FD10C; Sun, 10 Dec 2023 05:24:30 -0800 (PST) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R841e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018046060;MF=guwen@linux.alibaba.com;NM=1;PH=DS;RN=19;SR=0;TI=SMTPD_---0Vy8BEmd_1702214666; Received: from localhost(mailfrom:guwen@linux.alibaba.com fp:SMTPD_---0Vy8BEmd_1702214666) by smtp.aliyun-inc.com; Sun, 10 Dec 2023 21:24:28 +0800 From: Wen Gu To: wintera@linux.ibm.com, wenjia@linux.ibm.com, hca@linux.ibm.com, gor@linux.ibm.com, agordeev@linux.ibm.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, kgraul@linux.ibm.com, jaka@linux.ibm.com Cc: borntraeger@linux.ibm.com, svens@linux.ibm.com, alibuda@linux.alibaba.com, tonylu@linux.alibaba.com, guwen@linux.alibaba.com, linux-s390@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [RFC PATCH net-next 05/13] net/smc: implement some unsupported operations of loopback-ism Date: Sun, 10 Dec 2023 21:24:06 +0800 Message-Id: <1702214654-32069-6-git-send-email-guwen@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1702214654-32069-1-git-send-email-guwen@linux.alibaba.com> References: <1702214654-32069-1-git-send-email-guwen@linux.alibaba.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: X-Patchwork-Delegate: kuba@kernel.org X-Patchwork-State: RFC vlan operations are not supported currently since the need for vlan in loopback situation does not seem to be strong. signal_event operation is not supported since no event now needs to be processed by loopback-ism device. Signed-off-by: Wen Gu --- net/smc/smc_loopback.c | 36 +++++++++++++++++++++++++++++++----- 1 file changed, 31 insertions(+), 5 deletions(-) diff --git a/net/smc/smc_loopback.c b/net/smc/smc_loopback.c index 39e8c8d..349a969 100644 --- a/net/smc/smc_loopback.c +++ b/net/smc/smc_loopback.c @@ -50,6 +50,32 @@ static int smc_lo_query_rgid(struct smcd_dev *smcd, struct smcd_gid *rgid, return 0; } +static int smc_lo_add_vlan_id(struct smcd_dev *smcd, u64 vlan_id) +{ + return -EOPNOTSUPP; +} + +static int smc_lo_del_vlan_id(struct smcd_dev *smcd, u64 vlan_id) +{ + return -EOPNOTSUPP; +} + +static int smc_lo_set_vlan_required(struct smcd_dev *smcd) +{ + return -EOPNOTSUPP; +} + +static int smc_lo_reset_vlan_required(struct smcd_dev *smcd) +{ + return -EOPNOTSUPP; +} + +static int smc_lo_signal_event(struct smcd_dev *dev, struct smcd_gid *rgid, + u32 trigger_irq, u32 event_code, u64 info) +{ + return 0; +} + static int smc_lo_supports_v2(void) { return SMC_LO_V2_CAPABLE; @@ -78,11 +104,11 @@ static struct device *smc_lo_get_dev(struct smcd_dev *smcd) .query_remote_gid = smc_lo_query_rgid, .register_dmb = NULL, .unregister_dmb = NULL, - .add_vlan_id = NULL, - .del_vlan_id = NULL, - .set_vlan_required = NULL, - .reset_vlan_required = NULL, - .signal_event = NULL, + .add_vlan_id = smc_lo_add_vlan_id, + .del_vlan_id = smc_lo_del_vlan_id, + .set_vlan_required = smc_lo_set_vlan_required, + .reset_vlan_required = smc_lo_reset_vlan_required, + .signal_event = smc_lo_signal_event, .move_data = NULL, .supports_v2 = smc_lo_supports_v2, .get_local_gid = smc_lo_get_local_gid,