From patchwork Tue Dec 21 11:02:09 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaoliang Yang X-Patchwork-Id: 12689509 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3D65CC433F5 for ; Tue, 21 Dec 2021 10:50:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236774AbhLUKut (ORCPT ); Tue, 21 Dec 2021 05:50:49 -0500 Received: from inva021.nxp.com ([92.121.34.21]:59802 "EHLO inva021.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229761AbhLUKus (ORCPT ); Tue, 21 Dec 2021 05:50:48 -0500 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 7AB14201A00; Tue, 21 Dec 2021 11:50:47 +0100 (CET) Received: from aprdc01srsp001v.ap-rdc01.nxp.com (aprdc01srsp001v.ap-rdc01.nxp.com [165.114.16.16]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 428352019FE; Tue, 21 Dec 2021 11:50:47 +0100 (CET) Received: from localhost.localdomain (mega.ap.freescale.net [10.192.208.232]) by aprdc01srsp001v.ap-rdc01.nxp.com (Postfix) with ESMTP id 81357183AC4F; Tue, 21 Dec 2021 18:50:45 +0800 (+08) From: Xiaoliang Yang To: davem@davemloft.net, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Cc: UNGLinuxDriver@microchip.com, kuba@kernel.org, vladimir.oltean@nxp.com, claudiu.manoil@nxp.com, alexandre.belloni@bootlin.com, f.fainelli@gmail.com, andrew@lunn.ch, vivien.didelot@gmail.com, xiaoliang.yang_1@nxp.com, marouen.ghodhbane@nxp.com Subject: [PATCH net-next] net: dsa: tag_ocelot: use traffic class to map priority on injected header Date: Tue, 21 Dec 2021 19:02:09 +0800 Message-Id: <20211221110209.31309-1-xiaoliang.yang_1@nxp.com> X-Mailer: git-send-email 2.17.1 X-Virus-Scanned: ClamAV using ClamSMTP Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org For Ocelot switches, the CPU injected frames have an injection header where it can specify the QoS class of the packet and the DSA tag, now it uses the SKB priority to set that. If a traffic class to priority mapping is configured on the netdevice (with mqprio for example ...), it won't be considered for CPU injected headers. This patch make the QoS class aligned to the priority to traffic class mapping if it exists. Signed-off-by: Xiaoliang Yang Signed-off-by: Marouen Ghodhbane --- net/dsa/tag_ocelot.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/net/dsa/tag_ocelot.c b/net/dsa/tag_ocelot.c index 4ba460c5a880..0d81f172b7a6 100644 --- a/net/dsa/tag_ocelot.c +++ b/net/dsa/tag_ocelot.c @@ -47,9 +47,13 @@ static void ocelot_xmit_common(struct sk_buff *skb, struct net_device *netdev, void *injection; __be32 *prefix; u32 rew_op = 0; + u64 qos_class; ocelot_xmit_get_vlan_info(skb, dp, &vlan_tci, &tag_type); + qos_class = netdev_get_num_tc(netdev) ? + netdev_get_prio_tc_map(netdev, skb->priority) : skb->priority; + injection = skb_push(skb, OCELOT_TAG_LEN); prefix = skb_push(skb, OCELOT_SHORT_PREFIX_LEN); @@ -57,7 +61,7 @@ static void ocelot_xmit_common(struct sk_buff *skb, struct net_device *netdev, memset(injection, 0, OCELOT_TAG_LEN); ocelot_ifh_set_bypass(injection, 1); ocelot_ifh_set_src(injection, ds->num_ports); - ocelot_ifh_set_qos_class(injection, skb->priority); + ocelot_ifh_set_qos_class(injection, qos_class); ocelot_ifh_set_vlan_tci(injection, vlan_tci); ocelot_ifh_set_tag_type(injection, tag_type);