From patchwork Fri Jul 5 10:16:15 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geetha sowjanya X-Patchwork-Id: 13724910 X-Patchwork-Delegate: kuba@kernel.org Received: from mx0b-0016f401.pphosted.com (mx0a-0016f401.pphosted.com [67.231.148.174]) (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 79CD214BFA3; Fri, 5 Jul 2024 10:17:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=67.231.148.174 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720174651; cv=none; b=MKpjHnrTDphMrCgeb8bUrMr69zJNhxic+0gGGXROMayuHG1PY20xN+GyYecQ6rjNSW1nAszFmGKFPUOGv9JTMNH/aOS0YwwP0Rhv5q5Ze4j6EeYK4+0eyQOE44a9ItwfK40QKHYeLdacdU+obVjw7oHixk+PL3q6X2MkI7YgOsA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720174651; c=relaxed/simple; bh=yL8vbqpGaVdZ/q5htkingKWyLGSn43s+zG39Y7iYPV0=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=kJYm9COz8Vbp40LLM2g36Lyzi0JUadvQlFuNs8wXMKxGj4X1dMB47IITzdQb02OACmDAqNfZVr2tnQe/NC1Z0Oe+jRLh7xfJIxUAiULtMZgoEp2T78cizjSzN+wrMTGZU1e7O9obRTg1Q20yf6lAZ+JXIZV+yVDvOzUgG30cVBU= 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=hqHyXTfG; arc=none smtp.client-ip=67.231.148.174 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="hqHyXTfG" Received: from pps.filterd (m0045849.ppops.net [127.0.0.1]) by mx0a-0016f401.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 4659PDmF029505; Fri, 5 Jul 2024 03:17:24 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h= cc:content-type:date:from:in-reply-to:message-id:mime-version :references:subject:to; s=pfpt0220; bh=smTo6/e27jptEQSXRKsjOwtTW LMEQkV9BJ0+ska/ZQc=; b=hqHyXTfGqIOpYuDhLZ80zCY8xEv3wauNvmtA2xUqt AanrM3/hnVUUuUcTMhZ0SjpgSuX2toMnDnRNSgxy+jL+FR4EzYqveC6VVZY1fEJu awK9cja/Hcy84R/9xMYK5oiL6L2AAB06Y130/4ATx/7UqpycNcmVTi+GmjMtyIx7 Zetd77aSSKfj4uXwlQy0qbUqbF7nzMID3GQzMkT3xIufJEeHYsVMmcatX1qxo68s snDm3bxpeYotZ7u7quQJb45SpkGVqnT591sDayTxW+UpedjAuXhlWtFWctqQjCvn v/ZiU75hVCshmS4zuMl0og00khB5R8OEJD9jtH66FOvxw== Received: from dc6wp-exch02.marvell.com ([4.21.29.225]) by mx0a-0016f401.pphosted.com (PPS) with ESMTPS id 406e6c04vu-4 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 05 Jul 2024 03:17:17 -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; Fri, 5 Jul 2024 03:16:51 -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; Fri, 5 Jul 2024 03:16:51 -0700 Received: from hyd1soter3.marvell.com (unknown [10.29.37.12]) by maili.marvell.com (Postfix) with ESMTP id CEFE63F7040; Fri, 5 Jul 2024 03:16:47 -0700 (PDT) From: Geetha sowjanya To: , CC: , , , , , , , Subject: [net-next PATCH v8 08/11] octeontx2-pf: Configure VF mtu via representor Date: Fri, 5 Jul 2024 15:46:15 +0530 Message-ID: <20240705101618.18415-9-gakula@marvell.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20240705101618.18415-1-gakula@marvell.com> References: <20240705101618.18415-1-gakula@marvell.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Proofpoint-GUID: 7FRWFL0wCkd45fUxVln9qxs2D_P9ocdY X-Proofpoint-ORIG-GUID: 7FRWFL0wCkd45fUxVln9qxs2D_P9ocdY X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-07-05_06,2024-07-03_01,2024-05-17_01 X-Patchwork-Delegate: kuba@kernel.org Adds 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 Reviewed-by: Simon Horman --- .../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 cdd1f1321318..955ea941a53b 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 aedcff57d96f..c37cbf440235 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); @@ -226,6 +242,7 @@ 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,