From patchwork Sun Apr 28 10:53:11 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geetha sowjanya X-Patchwork-Id: 13645997 X-Patchwork-Delegate: kuba@kernel.org Received: from mx0b-0016f401.pphosted.com (mx0b-0016f401.pphosted.com [67.231.156.173]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F0FBD626A0; Sun, 28 Apr 2024 10:53:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=67.231.156.173 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714301635; cv=none; b=Mx9iM8WlWt/g04jLxfH209ZuY42Y0IQPwdZWXLBhlI63G1lZRHOZ77nrDfgFZtpzlPNLAPzoNt1xiKzKqO3qq21nHcNa8sTJiIBcW52j9Zyuk984wSnnXGgORBbAbu9duHdRZq08eaiB3/tNlFxi28+pIMXFYI13gazIu3Ih95E= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714301635; c=relaxed/simple; bh=bEQDIvb0GX7PNxv5OTNyjmTtzJTqPF6lrxLVhlQ89K8=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=hIqTqpYaK5/8wanBf6Gss7mr4rsuNg6C1SBA1jfDgbmS0UFFVmk+xeAl+W1gLRPwKj8m5iNbryQx7ZmverTUmhPTxmN118Taz+mJ96H8psMNZiMI4kWQerpKGv9QnZyds1NjEs18uG2HaXRZ+UNx3ThSeFOSpvMiZbDT+B+mfpk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=marvell.com; spf=pass smtp.mailfrom=marvell.com; dkim=pass (2048-bit key) header.d=marvell.com header.i=@marvell.com header.b=c81C5Mxl; arc=none smtp.client-ip=67.231.156.173 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=marvell.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=marvell.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=marvell.com header.i=@marvell.com header.b="c81C5Mxl" Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 43SAlckx030113; Sun, 28 Apr 2024 03:53:46 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-type; s=pfpt0220; bh=bO/1ZDIglOjAIAKFFju6S agamL7V1hX2h9PacG5/tus=; b=c81C5MxlSK9L+OZ0oZL+2k9paUEO2YmH694yD sGPS3QLY7GX6U2YusG7myr60piOL+O4BCbAakXYR3BGideg+KaBCpXarn9zkygvi dfcMGYn4L5sEWKbjT/HkmeTS7m10yM+F/mMO9jh6m4VZBtsD+SCB9tU4Nuwflf5w DY69lI/7GyORpMb6pIHOOqTKH761yHPgpS/NFLtUtCa3oxgliuGYSWc/2PgJhaSx dbF9E7hQy6xRRDtevUn4xhEdcwRniLH/j+bKfQZOE961vlDWC2yVD1OCGkc/vWwY 2bTkCldsHJwoiZtvBTedu97VRP1wF0w90U9lQ7yIBygYZoMsw== Received: from dc6wp-exch02.marvell.com ([4.21.29.225]) by mx0b-0016f401.pphosted.com (PPS) with ESMTPS id 3xs0vfspsu-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sun, 28 Apr 2024 03:53:45 -0700 (PDT) Received: from DC6WP-EXCH02.marvell.com (10.76.176.209) by DC6WP-EXCH02.marvell.com (10.76.176.209) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.4; Sun, 28 Apr 2024 03:53:45 -0700 Received: from maili.marvell.com (10.69.176.80) by DC6WP-EXCH02.marvell.com (10.76.176.209) with Microsoft SMTP Server id 15.2.1544.4 via Frontend Transport; Sun, 28 Apr 2024 03:53:45 -0700 Received: from hyd1soter3.marvell.com (unknown [10.29.37.12]) by maili.marvell.com (Postfix) with ESMTP id D7F4C5B6949; Sun, 28 Apr 2024 03:53:41 -0700 (PDT) From: Geetha sowjanya To: , CC: , , , , , , , Subject: [net-next PATCH v3 8/9] octeontx2-pf: Configure VF mtu via representor Date: Sun, 28 Apr 2024 16:23:11 +0530 Message-ID: <20240428105312.9731-9-gakula@marvell.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20240428105312.9731-1-gakula@marvell.com> References: <20240428105312.9731-1-gakula@marvell.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Proofpoint-ORIG-GUID: 0SOhHShee8ok5N7KxWqfiv6mHUN9iamr X-Proofpoint-GUID: 0SOhHShee8ok5N7KxWqfiv6mHUN9iamr X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1011,Hydra:6.0.650,FMLib:17.11.176.26 definitions=2024-04-28_07,2024-04-26_02,2023-05-22_02 X-Patchwork-Delegate: kuba@kernel.org Add support to manage the mtu configuration for VF through representor. On update of representor mtu a mbox notification is send to VF to update its mtu. Signed-off-by: Sai Krishna Signed-off-by: Geetha sowjanya --- .../ethernet/marvell/octeontx2/nic/otx2_pf.c | 5 +++++ .../net/ethernet/marvell/octeontx2/nic/rep.c | 17 +++++++++++++++++ 2 files changed, 22 insertions(+) diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c index faf6e1716efe..301ecb2b6a24 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c @@ -854,6 +854,11 @@ static int otx2_mbox_up_handler_rep_event_up_notify(struct otx2_nic *pf, { struct net_device *netdev = pf->netdev; + if (info->event == RVU_EVENT_MTU_CHANGE) { + netdev->mtu = info->evt_data.mtu; + return 0; + } + if (info->event == RVU_EVENT_PORT_STATE) { if (info->evt_data.port_state) { pf->flags |= OTX2_FLAG_PORT_UP; diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/rep.c b/drivers/net/ethernet/marvell/octeontx2/nic/rep.c index ae5e9b245791..c5b64253ecd8 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/rep.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/rep.c @@ -79,6 +79,22 @@ int rvu_event_up_notify(struct otx2_nic *pf, struct rep_event *info) return 0; } +static int rvu_rep_change_mtu(struct net_device *dev, int new_mtu) +{ + struct rep_dev *rep = netdev_priv(dev); + struct otx2_nic *priv = rep->mdev; + struct rep_event evt = {0}; + + netdev_info(dev, "Changing MTU from %d to %d\n", + dev->mtu, new_mtu); + dev->mtu = new_mtu; + + evt.evt_data.mtu = new_mtu; + evt.pcifunc = rep->pcifunc; + rvu_rep_notify_pfvf(priv, RVU_EVENT_MTU_CHANGE, &evt); + return 0; +} + static void rvu_rep_get_stats(struct work_struct *work) { struct delayed_work *del_work = to_delayed_work(work); @@ -225,6 +241,7 @@ static const struct net_device_ops rvu_rep_netdev_ops = { .ndo_stop = rvu_rep_stop, .ndo_start_xmit = rvu_rep_xmit, .ndo_get_stats64 = rvu_rep_get_stats64, + .ndo_change_mtu = rvu_rep_change_mtu, }; static int rvu_rep_napi_init(struct otx2_nic *priv, struct netlink_ext_ack *extack)