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[23.128.96.18]) by mx.google.com with ESMTP id k26si15565970eds.589.2021.07.06.13.20.52; Tue, 06 Jul 2021 13:21:15 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=vmware.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230322AbhGFUV0 (ORCPT + 99 others); Tue, 6 Jul 2021 16:21:26 -0400 Received: from ex13-edg-ou-001.vmware.com ([208.91.0.189]:45532 "EHLO EX13-EDG-OU-001.vmware.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230259AbhGFUVP (ORCPT ); Tue, 6 Jul 2021 16:21:15 -0400 Received: from sc9-mailhost2.vmware.com (10.113.161.72) by EX13-EDG-OU-001.vmware.com (10.113.208.155) with Microsoft SMTP Server id 15.0.1156.6; Tue, 6 Jul 2021 13:03:29 -0700 Received: from htb-1n-eng-dhcp122.eng.vmware.com (unknown [10.20.114.3]) by sc9-mailhost2.vmware.com (Postfix) with ESMTP id 81A5E20293; Tue, 6 Jul 2021 13:03:31 -0700 (PDT) Received: by htb-1n-eng-dhcp122.eng.vmware.com (Postfix, from userid 0) id 7CAD1AA0C5; Tue, 6 Jul 2021 13:03:31 -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: Tue, 6 Jul 2021 13:03:10 -0700 Message-ID: <20210706200312.29777-7-doshir@vmware.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20210706200312.29777-1-doshir@vmware.com> References: <20210706200312.29777-1-doshir@vmware.com> MIME-Version: 1.0 Content-Type: text/plain Received-SPF: None (EX13-EDG-OU-001.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 --- 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