From nobody Fri Dec 19 14:08:19 2025 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 D965A1D0974; Tue, 3 Sep 2024 12:41:12 +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=1725367274; cv=none; b=je5JEmq1rrWZkB4VGgPbLxBtjy3EHGjCsgrLHoaDkFNB1UxmfbBgXk7RLUOBz72r/riyGOLhkBKKhl/noCA5jpaYta6xoP7xfer5ReNnkopO3JfCpRlBYisizEGFD5xVZsJ0O/ZbENQilKVUHUr000UlyEq4kOk44gtYn98eq0g= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725367274; c=relaxed/simple; bh=8NJQ61+av5eIoyPOg2e9opxq7Ypltcr9Mj+quRtW50U=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Wj5YTE8Y3Cn35WHuTLCentUq2CqDdDvePheKnqdjL2CTbi6WhEmU6CJi6ASkBHONCLTP/QKKHGVEuXTx7V7p/8ZOIBH2D+Py3eCogmqMyMoz7fithhyQJoaN7hRapb5+J8/Ml4tym8rbw+KRak98ym3HGaBeLYPsa6dw5dVdjD4= 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=SZ0HkTJh; 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="SZ0HkTJh" 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 48396iZ4019306; Tue, 3 Sep 2024 05:41:06 -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=svGo0WKor6EHMlc0Mp/BNHON3 sznQQeTqeLkbA7QXzE=; b=SZ0HkTJhaIOiIvZ6+bLfGHg5dzTiYfSLPTcf9IgAR 1yZShCElxcM9icCdSy6ElZs1mmcuGxLe7MC5cx9/CCkn2RGIxJQI0YxSp3hnbyEN nfyJSHHLQ3GfRLw0U8ISx3vW3r0F+X5xtAmdxXvlHjOW0lTyLRLo/RRbLg16eV+X W6nWuR06kKAdlxzIgMJ7K4Hdlssm035ylk0LK+ZTZstPDGa2OpFORzsseIri+5Oi I5v7ZidaNaDWnfBtYguQdysdWaLEaavUzthPSfo/a9c7NOq8RhuiBGIp0bcmvemq 6vFpuNlXRpsjQqVYiKWZnzT4Kqqst58QSp4rCtE6D9XAQ== Received: from dc6wp-exch02.marvell.com ([4.21.29.225]) by mx0a-0016f401.pphosted.com (PPS) with ESMTPS id 41dyhmrkva-4 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 03 Sep 2024 05:41:06 -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; Tue, 3 Sep 2024 05:41:05 -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; Tue, 3 Sep 2024 05:41:05 -0700 Received: from hyd1soter3.marvell.com (unknown [10.29.37.12]) by maili.marvell.com (Postfix) with ESMTP id 98B0A3F70E4; Tue, 3 Sep 2024 05:41:01 -0700 (PDT) From: Geetha sowjanya To: , CC: , , , , , , , , Subject: [net-next PATCH 3/4] octeontx2-pf: Reuse PF max mtu value Date: Tue, 3 Sep 2024 18:10:47 +0530 Message-ID: <20240903124048.14235-4-gakula@marvell.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20240903124048.14235-1-gakula@marvell.com> References: <20240903124048.14235-1-gakula@marvell.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Proofpoint-ORIG-GUID: OzTyhe7Ja-paMk14ixmFaaj_SvMd7t0p X-Proofpoint-GUID: OzTyhe7Ja-paMk14ixmFaaj_SvMd7t0p X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-02_06,2024-09-03_01,2024-09-02_01 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Reuse the maximum support HW MTU value that is fetch during probe. Instead of fetching through mbox each time mtu is changed as the value is fixed for interface. Signed-off-by: Geetha sowjanya --- drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c | 4 ++-- drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h | 1 + drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c | 1 + drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c | 1 + 4 files changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c b/dri= vers/net/ethernet/marvell/octeontx2/nic/otx2_common.c index 87d5776e3b88..34e76cfd941b 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c @@ -227,7 +227,7 @@ int otx2_hw_set_mtu(struct otx2_nic *pfvf, int mtu) u16 maxlen; int err; =20 - maxlen =3D otx2_get_max_mtu(pfvf) + OTX2_ETH_HLEN + OTX2_HW_TIMESTAMP_LEN; + maxlen =3D pfvf->hw.max_mtu + OTX2_ETH_HLEN + OTX2_HW_TIMESTAMP_LEN; =20 mutex_lock(&pfvf->mbox.lock); req =3D otx2_mbox_alloc_msg_nix_set_hw_frs(&pfvf->mbox); @@ -236,7 +236,7 @@ int otx2_hw_set_mtu(struct otx2_nic *pfvf, int mtu) return -ENOMEM; } =20 - req->maxlen =3D pfvf->netdev->mtu + OTX2_ETH_HLEN + OTX2_HW_TIMESTAMP_LEN; + req->maxlen =3D mtu + OTX2_ETH_HLEN + OTX2_HW_TIMESTAMP_LEN; =20 /* Use max receive length supported by hardware for loopback devices */ if (is_otx2_lbkvf(pfvf->pdev)) diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h b/dri= vers/net/ethernet/marvell/octeontx2/nic/otx2_common.h index df548aeffecf..b36b87dae2cb 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h @@ -228,6 +228,7 @@ struct otx2_hw { u16 txschq_list[NIX_TXSCH_LVL_CNT][MAX_TXSCHQ_PER_FUNC]; u16 matchall_ipolicer; u32 dwrr_mtu; + u32 max_mtu; u8 smq_link_type; =20 /* HW settings, coalescing etc */ diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c b/drivers= /net/ethernet/marvell/octeontx2/nic/otx2_pf.c index 68addc975113..5bb6db5a3a73 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c @@ -3103,6 +3103,7 @@ static int otx2_probe(struct pci_dev *pdev, const str= uct pci_device_id *id) =20 netdev->min_mtu =3D OTX2_MIN_MTU; netdev->max_mtu =3D otx2_get_max_mtu(pf); + hw->max_mtu =3D netdev->max_mtu; =20 /* reset CGX/RPM MAC stats */ otx2_reset_mac_stats(pf); diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c b/drivers= /net/ethernet/marvell/octeontx2/nic/otx2_vf.c index 99fcc5661674..79a8acac6283 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c @@ -671,6 +671,7 @@ static int otx2vf_probe(struct pci_dev *pdev, const str= uct pci_device_id *id) =20 netdev->min_mtu =3D OTX2_MIN_MTU; netdev->max_mtu =3D otx2_get_max_mtu(vf); + hw->max_mtu =3D netdev->max_mtu; =20 /* To distinguish, for LBK VFs set netdev name explicitly */ if (is_otx2_lbkvf(vf->pdev)) { --=20 2.25.1