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 X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4EA78C636CE for ; Fri, 16 Jul 2021 22:37:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2F7366140A for ; Fri, 16 Jul 2021 22:37:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232675AbhGPWkA (ORCPT ); Fri, 16 Jul 2021 18:40:00 -0400 Received: from ex13-edg-ou-002.vmware.com ([208.91.0.190]:11619 "EHLO EX13-EDG-OU-002.vmware.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237590AbhGPWjq (ORCPT ); Fri, 16 Jul 2021 18:39:46 -0400 Received: from sc9-mailhost2.vmware.com (10.113.161.72) by EX13-EDG-OU-002.vmware.com (10.113.208.156) with Microsoft SMTP Server id 15.0.1156.6; Fri, 16 Jul 2021 15:36:44 -0700 Received: from htb-1n-eng-dhcp122.eng.vmware.com (unknown [10.20.114.3]) by sc9-mailhost2.vmware.com (Postfix) with ESMTP id 596182034D; Fri, 16 Jul 2021 15:36:49 -0700 (PDT) Received: by htb-1n-eng-dhcp122.eng.vmware.com (Postfix, from userid 0) id 54E26AA043; Fri, 16 Jul 2021 15:36:49 -0700 (PDT) From: Ronak Doshi To: CC: Ronak Doshi , "maintainer:VMWARE VMXNET3 ETHERNET DRIVER" , "David S. Miller" , Jakub Kicinski , open list Subject: [PATCH net-next 6/7] vmxnet3: increase maximum configurable mtu to 9190 Date: Fri, 16 Jul 2021 15:36:25 -0700 Message-ID: <20210716223626.18928-7-doshir@vmware.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20210716223626.18928-1-doshir@vmware.com> References: <20210716223626.18928-1-doshir@vmware.com> MIME-Version: 1.0 Content-Type: text/plain Received-SPF: None (EX13-EDG-OU-002.vmware.com: doshir@vmware.com does not designate permitted sender hosts) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch increases the maximum configurable mtu to 9190 to accommodate jumbo packets of overlay traffic. Signed-off-by: Ronak Doshi Acked-by: Guolin Yang --- drivers/net/vmxnet3/vmxnet3_defs.h | 1 + drivers/net/vmxnet3/vmxnet3_drv.c | 7 +++++-- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/net/vmxnet3/vmxnet3_defs.h b/drivers/net/vmxnet3/vmxnet3_defs.h index bc82bbbcb1ab..74d4e8bc4abc 100644 --- a/drivers/net/vmxnet3/vmxnet3_defs.h +++ b/drivers/net/vmxnet3/vmxnet3_defs.h @@ -795,6 +795,7 @@ struct Vmxnet3_DriverShared { ((vfTable[vid >> 5] & (1 << (vid & 31))) != 0) #define VMXNET3_MAX_MTU 9000 +#define VMXNET3_V6_MAX_MTU 9190 #define VMXNET3_MIN_MTU 60 #define VMXNET3_LINK_UP (10000 << 16 | 1) /* 10 Gbps, up */ diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index 4fd6ce15a860..9f52f9c254f4 100644 --- a/drivers/net/vmxnet3/vmxnet3_drv.c +++ b/drivers/net/vmxnet3/vmxnet3_drv.c @@ -3641,9 +3641,12 @@ vmxnet3_probe_device(struct pci_dev *pdev, vmxnet3_set_ethtool_ops(netdev); netdev->watchdog_timeo = 5 * HZ; - /* MTU range: 60 - 9000 */ + /* MTU range: 60 - 9190 */ netdev->min_mtu = VMXNET3_MIN_MTU; - netdev->max_mtu = VMXNET3_MAX_MTU; + if (VMXNET3_VERSION_GE_6(adapter)) + netdev->max_mtu = VMXNET3_V6_MAX_MTU; + else + netdev->max_mtu = VMXNET3_MAX_MTU; INIT_WORK(&adapter->work, vmxnet3_reset_work); set_bit(VMXNET3_STATE_BIT_QUIESCED, &adapter->state); -- 2.11.0