From patchwork Tue May 7 16:39:15 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geethasowjanya Akula X-Patchwork-Id: 13657489 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 A18B616D4D1; Tue, 7 May 2024 16:39:46 +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=1715099988; cv=none; b=IileZt7eAeemriu51ecFJtUi0iqxm1V8WIiaMmfs2qjAPvL4xygkhalrU6qK+k/XJDYDJptTsbSn3NLuNvcECtSfhLc2ZtkygX0kXKxg5xMTWpE4SVq0WnnQMVlgnRalWl3ORkHmTGk9FOPFAemOqkoFqtLFZeqS+npw7xeRx9w= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715099988; c=relaxed/simple; bh=k6traiZlgDOCRLrI+cXfbMh1K/vxHzTnCNN65tRFpIk=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=H/ujtGtxQa7EDhbS+YqOHEKMZ68ykg5PJMyVbfuaFiXewDZfODBNy7AP7XYMm/t7A38UYcqzUsPdTLw6d52cK2VpOU41u3XigaXFMZgKYFf3NEVy9HUzV76LRyTv2kVvkONLmQZFrZXUNYVguLebdUaBuiZUHhm6xBqI4Uq/Uuw= 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=cUai6QeN; 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="cUai6QeN" 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 447FkAgE002968; Tue, 7 May 2024 09:39:40 -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=1n75WfqGj4IxSHySuPhzy 4Q50vTKaiZKRuy8sCi2bRk=; b=cUai6QeNUKSvflxeQ3F0uJAZizkLvZS8/R/QN KejTkkUmfCZq7Uvtbp/pFjpvR7w8k/S0PoKgZOKv3mbNmFbN3q2srrmNBH9qvkU/ 9w35M7TIdvaP/XArJ6o5mD+Rc17m4e4pKJCUU8aZM/hZ0s+qvbdhx0l/Tdjt0sbA Igc3jxQQldQ2VGI73ThJ06903RZxCehgkwKI7lACasu7s+6m2rexeoLmVxRoz5Ji O0hmS55w0W9SxI4ijpCcJBwBTffrykcY/LY+xf7qG7y4k9HsVU4HC0c6/lm5hYKP d0L+RdddgA5d2P3HQ+egzI35K1Y6wP8A1eMUiv7zCHFpxyDBg== Received: from dc6wp-exch02.marvell.com ([4.21.29.225]) by mx0b-0016f401.pphosted.com (PPS) with ESMTPS id 3xwmhgjexb-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 07 May 2024 09:39:40 -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, 7 May 2024 09:39:40 -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, 7 May 2024 09:39:40 -0700 Received: from hyd1soter3.marvell.com (unknown [10.29.37.12]) by maili.marvell.com (Postfix) with ESMTP id C08FB3F7041; Tue, 7 May 2024 09:39:36 -0700 (PDT) From: Geetha sowjanya To: , CC: , , , , , , , Subject: [net-next PATCH v4 04/10] octeontx2-pf: Add basic net_device_ops Date: Tue, 7 May 2024 22:09:15 +0530 Message-ID: <20240507163921.29683-5-gakula@marvell.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20240507163921.29683-1-gakula@marvell.com> References: <20240507163921.29683-1-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: 5jbGvX0O0W5tpfAy7E1HNtF3Cg2FaJbT X-Proofpoint-GUID: 5jbGvX0O0W5tpfAy7E1HNtF3Cg2FaJbT X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.650,FMLib:17.11.176.26 definitions=2024-05-07_10,2024-05-06_02,2023-05-22_02 X-Patchwork-Delegate: kuba@kernel.org Implements basic set of net_device_ops. Signed-off-by: Geetha sowjanya --- .../net/ethernet/marvell/octeontx2/nic/rep.c | 46 +++++++++++++++++++ 1 file changed, 46 insertions(+) diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/rep.c b/drivers/net/ethernet/marvell/octeontx2/nic/rep.c index ff4318f414f8..c212b4d7ed20 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/rep.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/rep.c @@ -28,6 +28,51 @@ MODULE_DESCRIPTION(DRV_STRING); MODULE_LICENSE("GPL"); MODULE_DEVICE_TABLE(pci, rvu_rep_id_table); +static netdev_tx_t rvu_rep_xmit(struct sk_buff *skb, struct net_device *dev) +{ + struct rep_dev *rep = netdev_priv(dev); + struct otx2_nic *pf = rep->mdev; + struct otx2_snd_queue *sq; + struct netdev_queue *txq; + + sq = &pf->qset.sq[rep->rep_id]; + txq = netdev_get_tx_queue(dev, 0); + + if (!otx2_sq_append_skb(pf, txq, sq, skb, rep->rep_id)) { + netif_tx_stop_queue(txq); + + /* Check again, incase SQBs got freed up */ + smp_mb(); + if (((sq->num_sqbs - *sq->aura_fc_addr) * sq->sqe_per_sqb) + > sq->sqe_thresh) + netif_tx_wake_queue(txq); + + return NETDEV_TX_BUSY; + } + return NETDEV_TX_OK; +} + +static int rvu_rep_open(struct net_device *dev) +{ + netif_carrier_on(dev); + netif_tx_start_all_queues(dev); + return 0; +} + +static int rvu_rep_stop(struct net_device *dev) +{ + netif_carrier_off(dev); + netif_tx_disable(dev); + + return 0; +} + +static const struct net_device_ops rvu_rep_netdev_ops = { + .ndo_open = rvu_rep_open, + .ndo_stop = rvu_rep_stop, + .ndo_start_xmit = rvu_rep_xmit, +}; + static int rvu_rep_napi_init(struct otx2_nic *priv, struct netlink_ext_ack *extack) { struct otx2_cq_poll *cq_poll = NULL; @@ -152,6 +197,7 @@ int rvu_rep_create(struct otx2_nic *priv, struct netlink_ext_ack *extack) ndev->min_mtu = OTX2_MIN_MTU; ndev->max_mtu = priv->hw.max_mtu; + ndev->netdev_ops = &rvu_rep_netdev_ops; pcifunc = priv->rep_pf_map[rep_id]; rep->pcifunc = pcifunc;