From patchwork Tue Feb 16 21:42:05 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Horatiu Vultur X-Patchwork-Id: 12090659 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 X-Spam-Level: X-Spam-Status: No, score=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id ED71BC433E0 for ; Tue, 16 Feb 2021 21:47:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B2B2C64E42 for ; Tue, 16 Feb 2021 21:47:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229577AbhBPVrL (ORCPT ); Tue, 16 Feb 2021 16:47:11 -0500 Received: from esa.microchip.iphmx.com ([68.232.153.233]:35157 "EHLO esa.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229912AbhBPVqK (ORCPT ); Tue, 16 Feb 2021 16:46:10 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1613511969; x=1645047969; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=21JiiqEIgm5zFzzo3WjE3M2nVZRsuDLR5EdGNJxiEgU=; b=sF/Si8ycZZIEsa1FJD8WqwZIt/BuLipemqZ+fk86pDU0Vy/yyyykiNUW tSwJiro6TSCl8td5D+jLmp3VbzlfE4yMfDlXzYykD4djRJKHTDU7Bjjhx aXPwl/XlC3RjAHlmHK5AVWPuooEbg+6KoRvKqVfy+elbKx+OC/mSrfI6F JG7dPPJZqyxuoQELhCXIqAKUMc8/LewmVt5vkKn1ZtRpxRLjkek8WJZno 5LSGRCB28mxPDumrwc4Uqb37og4nBwdjEL69/4bqteNjsSnKwUSd13qUF 1vYahwbNZ3nRF/EhkZC5KpgauH2DfZJB8hYUdJD2jYfAW51N55fL6lV5S w==; IronPort-SDR: rFZo+EnCajOdqG6loZiGFSJeaRUUzS43m0EDS3lNMYtaSsmQ2po4JosbYewL1hbZCyAXCWOIRP 8t6zCD7DrEGmaWwE2hTkzT40/xUnKJMi0DZLqWp6v/oWU9VsXw25gipyBdVg38nayRExmNQnok YPSVul1pqHmvluonHiqK4dsiMXSv9puaBxbCujSXxLMdDKYk5vHzvO4ZHlL5Oa3ub9/xLYObNA xB/d6B1zStgmScPzO3/PtSbBDgceW44q18U7C9UqPaRiX9QwRATP8T33+5V4mprL7FP9NIn+si SUY= X-IronPort-AV: E=Sophos;i="5.81,184,1610434800"; d="scan'208";a="109914805" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa3.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 16 Feb 2021 14:43:44 -0700 Received: from chn-vm-ex02.mchp-main.com (10.10.85.144) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1979.3; Tue, 16 Feb 2021 14:43:28 -0700 Received: from soft-dev3.localdomain (10.10.115.15) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server id 15.1.1979.3 via Frontend Transport; Tue, 16 Feb 2021 14:43:25 -0700 From: Horatiu Vultur To: , CC: , , , , , , , , , , , , , , , Horatiu Vultur Subject: [PATCH net-next v4 8/8] net: dsa: felix: Add support for MRP Date: Tue, 16 Feb 2021 22:42:05 +0100 Message-ID: <20210216214205.32385-9-horatiu.vultur@microchip.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210216214205.32385-1-horatiu.vultur@microchip.com> References: <20210216214205.32385-1-horatiu.vultur@microchip.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Implement functions 'port_mrp_add', 'port_mrp_del', 'port_mrp_add_ring_role' and 'port_mrp_del_ring_role' to call the mrp functions from ocelot. Also all MRP frames that arrive to CPU on queue number OCELOT_MRP_CPUQ will be forward by the SW. Signed-off-by: Horatiu Vultur --- drivers/net/dsa/ocelot/felix.c | 38 ++++++++++++++++++++++++++++++++++ net/dsa/tag_ocelot.c | 8 +++++++ 2 files changed, 46 insertions(+) diff --git a/drivers/net/dsa/ocelot/felix.c b/drivers/net/dsa/ocelot/felix.c index 800f27d65c6c..fa1c3f14bb88 100644 --- a/drivers/net/dsa/ocelot/felix.c +++ b/drivers/net/dsa/ocelot/felix.c @@ -1561,6 +1561,40 @@ static int felix_sb_occ_tc_port_bind_get(struct dsa_switch *ds, int port, pool_type, p_cur, p_max); } +static int felix_mrp_add(struct dsa_switch *ds, int port, + const struct switchdev_obj_mrp *mrp) +{ + struct ocelot *ocelot = ds->priv; + + return ocelot_mrp_add(ocelot, port, mrp); +} + +static int felix_mrp_del(struct dsa_switch *ds, int port, + const struct switchdev_obj_mrp *mrp) +{ + struct ocelot *ocelot = ds->priv; + + return ocelot_mrp_add(ocelot, port, mrp); +} + +static int +felix_mrp_add_ring_role(struct dsa_switch *ds, int port, + const struct switchdev_obj_ring_role_mrp *mrp) +{ + struct ocelot *ocelot = ds->priv; + + return ocelot_mrp_add_ring_role(ocelot, port, mrp); +} + +static int +felix_mrp_del_ring_role(struct dsa_switch *ds, int port, + const struct switchdev_obj_ring_role_mrp *mrp) +{ + struct ocelot *ocelot = ds->priv; + + return ocelot_mrp_del_ring_role(ocelot, port, mrp); +} + const struct dsa_switch_ops felix_switch_ops = { .get_tag_protocol = felix_get_tag_protocol, .change_tag_protocol = felix_change_tag_protocol, @@ -1615,6 +1649,10 @@ const struct dsa_switch_ops felix_switch_ops = { .devlink_sb_occ_max_clear = felix_sb_occ_max_clear, .devlink_sb_occ_port_pool_get = felix_sb_occ_port_pool_get, .devlink_sb_occ_tc_port_bind_get= felix_sb_occ_tc_port_bind_get, + .port_mrp_add = felix_mrp_add, + .port_mrp_del = felix_mrp_del, + .port_mrp_add_ring_role = felix_mrp_add_ring_role, + .port_mrp_del_ring_role = felix_mrp_del_ring_role, }; struct net_device *felix_port_to_netdev(struct ocelot *ocelot, int port) diff --git a/net/dsa/tag_ocelot.c b/net/dsa/tag_ocelot.c index f9df9cac81c5..743809b5806b 100644 --- a/net/dsa/tag_ocelot.c +++ b/net/dsa/tag_ocelot.c @@ -83,6 +83,7 @@ static struct sk_buff *ocelot_rcv(struct sk_buff *skb, struct dsa_port *dp; u8 *extraction; u16 vlan_tpid; + u64 cpuq; /* Revert skb->data by the amount consumed by the DSA master, * so it points to the beginning of the frame. @@ -112,6 +113,7 @@ static struct sk_buff *ocelot_rcv(struct sk_buff *skb, ocelot_xfh_get_qos_class(extraction, &qos_class); ocelot_xfh_get_tag_type(extraction, &tag_type); ocelot_xfh_get_vlan_tci(extraction, &vlan_tci); + ocelot_xfh_get_cpuq(extraction, &cpuq); skb->dev = dsa_master_find_slave(netdev, 0, src_port); if (!skb->dev) @@ -126,6 +128,12 @@ static struct sk_buff *ocelot_rcv(struct sk_buff *skb, skb->offload_fwd_mark = 1; skb->priority = qos_class; +#if IS_ENABLED(CONFIG_BRIDGE_MRP) + if (eth_hdr(skb)->h_proto == cpu_to_be16(ETH_P_MRP) && + cpuq & BIT(OCELOT_MRP_CPUQ)) + skb->offload_fwd_mark = 0; +#endif + /* Ocelot switches copy frames unmodified to the CPU. However, it is * possible for the user to request a VLAN modification through * VCAP_IS1_ACT_VID_REPLACE_ENA. In this case, what will happen is that