From patchwork Mon Mar 15 17:09:40 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qingfang Deng X-Patchwork-Id: 12140135 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=-13.7 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 48CE3C4332E for ; Mon, 15 Mar 2021 17:10:32 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id AA8AC61494 for ; Mon, 15 Mar 2021 17:10:31 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AA8AC61494 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender :Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=39gO4x/72LYJRQXuzCXRP9/iWhXtbVd0RVYBHKw0pyo=; b=Z1U1TGoWDirpdIAflIStXTsPpM Ru9BMKMlVyUxrGR/haOAVVItXzpD2fnbBU2KY5HYlczXXvHrivCZ+As/CRe+pdpSHNFilw7pSzYHq ysxfD/dH1w+GazB88OYS8agd8HZwhalsi2/NNvMCWWQib76a3NKGB9klhVkTwu9Zgphcv0XdDtq0M G1nZpq9oVEr3hshXojIWJ7xLQRm1BYUJng1Qqhile+sRm/0TXojTFvFOsggQ1jyTmTHbWAmp5Be1g MOsuWW+bpVDrx7ggGL6JXLSSxXrDDk5UgcaltzDoShyseKj+i/uZrWwCpPhIjx1lhiW+RkK0L99bm Kj/XRsCw==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lLqjT-00GT6w-V3; Mon, 15 Mar 2021 17:10:20 +0000 Received: from mail-pj1-x1029.google.com ([2607:f8b0:4864:20::1029]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lLqj1-00GT1X-4y; Mon, 15 Mar 2021 17:09:59 +0000 Received: by mail-pj1-x1029.google.com with SMTP id t18so9142735pjs.3; Mon, 15 Mar 2021 10:09:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=gVx9Pv6PF+gvg4bUX5R/A8d5/YPrI5l7pmHtd3cE+qE=; b=QeuiYMZQbXOp1ZPqMRl0R797j0LbFfYcmg55F/EhdPYt/+GYF6XrcfEYGCI2/6kiN3 oy5J6pK1YcjaziwXvDZufwJ3dRJfO1MPrULpPBs/o5VCzZ28cZ6ttAKaFRLkGrwj+aNe 1sSLd/N7yTtGPUmXMHWdKN/6107JrnjuYC9/yBm5FHULCkQzGMgRzTVc+pRNxUPJyoN0 o4/8hHjW0YH3+YVE5qJfIlE617ouI+3GDsa2/MzD2Uy7Wbzfbko5C41ppZU7jjPnWF4R V6gO1vcxNQxCOgQzQ2ymcDKHRw0HeqVSWyS2IawMu0orn3EjR43yXn6FhYYwU+3mqWMU d6UQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=gVx9Pv6PF+gvg4bUX5R/A8d5/YPrI5l7pmHtd3cE+qE=; b=OUmKKoMZE2Y7Hs5foqIA3HELm/ypAbg9+6dLGj4Pq/kjCl760260l9W5R3/DClnDds ii38RuLn39fa5Ys7vSa52yPKPzHxfmU1V5bUbEA2Qn8pSJVzQIq+kxvI+cWKiU+a9MT0 wmpSkspaAWaZzBokn0CE57mHcD39yZP8KlGHzwKfkft7igK+/0a98JzCzCGKAo+I3cGP KdXB4gxPT+D7TC81PoUEmSEhUZBDzoB3Ktql8QB75USbWnQUPi5P6lT4DQImEkLG9N29 sUxbXurtIGnoZ+QAOF6Ot4aFFEzWDDK52C2HSO1A142a0EjyAmLiondk9URdq49oOPeD PaPQ== X-Gm-Message-State: AOAM5329VqIYZTMO1RICQct9QrWudXj5ggZ7j5IkdVflsJaEh+eE69ZM 1JDm8Rbxd/OXOk/C/bhZtU4= X-Google-Smtp-Source: ABdhPJywCavdQIXmIQDkguNJ+qt5BapJfqmaDbzyt7G1QhVz3ck1507LWgBrfyNKqGtjgVxyo8SrSg== X-Received: by 2002:a17:902:aa0c:b029:e5:da5f:5f66 with SMTP id be12-20020a170902aa0cb02900e5da5f5f66mr12798299plb.81.1615828188892; Mon, 15 Mar 2021 10:09:48 -0700 (PDT) Received: from localhost.localdomain ([138.197.212.246]) by smtp.gmail.com with ESMTPSA id 186sm15221799pfb.143.2021.03.15.10.09.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 15 Mar 2021 10:09:48 -0700 (PDT) From: DENG Qingfang To: Sean Wang , Landen Chao , Andrew Lunn , Vivien Didelot , Florian Fainelli , Vladimir Oltean , "David S. Miller" , Jakub Kicinski , Matthias Brugger , Philipp Zabel , Russell King , netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Frank Wunderlich , =?utf-8?q?Ren=C3=A9_van_Dors?= =?utf-8?q?t?= Subject: [PATCH net-next] net: dsa: mt7530: support MDB and bridge flag operations Date: Tue, 16 Mar 2021 01:09:40 +0800 Message-Id: <20210315170940.2414854-1-dqfext@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210315_170951_474702_3A776F6E X-CRM114-Status: GOOD ( 17.66 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Support port MDB and bridge flag operations. As the hardware can manage multicast forwarding itself, offload_fwd_mark can be unconditionally set to true. Signed-off-by: DENG Qingfang Reviewed-by: Vladimir Oltean --- Changes since RFC: Replaced BR_AUTO_MASK with BR_FLOOD | BR_LEARNING drivers/net/dsa/mt7530.c | 124 +++++++++++++++++++++++++++++++++++++-- drivers/net/dsa/mt7530.h | 1 + net/dsa/tag_mtk.c | 14 +---- 3 files changed, 122 insertions(+), 17 deletions(-) diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c index 2342d4528b4c..f765984330c9 100644 --- a/drivers/net/dsa/mt7530.c +++ b/drivers/net/dsa/mt7530.c @@ -1000,8 +1000,9 @@ mt753x_cpu_port_enable(struct dsa_switch *ds, int port) mt7530_write(priv, MT7530_PVC_P(port), PORT_SPEC_TAG); - /* Unknown multicast frame forwarding to the cpu port */ - mt7530_rmw(priv, MT7530_MFC, UNM_FFP_MASK, UNM_FFP(BIT(port))); + /* Disable flooding by default */ + mt7530_rmw(priv, MT7530_MFC, BC_FFP_MASK | UNM_FFP_MASK | UNU_FFP_MASK, + BC_FFP(BIT(port)) | UNM_FFP(BIT(port)) | UNU_FFP(BIT(port))); /* Set CPU port number */ if (priv->id == ID_MT7621) @@ -1138,6 +1139,56 @@ mt7530_stp_state_set(struct dsa_switch *ds, int port, u8 state) mt7530_rmw(priv, MT7530_SSP_P(port), FID_PST_MASK, stp_state); } +static int +mt7530_port_pre_bridge_flags(struct dsa_switch *ds, int port, + struct switchdev_brport_flags flags, + struct netlink_ext_ack *extack) +{ + if (flags.mask & ~(BR_LEARNING | BR_FLOOD | BR_MCAST_FLOOD | + BR_BCAST_FLOOD)) + return -EINVAL; + + return 0; +} + +static int +mt7530_port_bridge_flags(struct dsa_switch *ds, int port, + struct switchdev_brport_flags flags, + struct netlink_ext_ack *extack) +{ + struct mt7530_priv *priv = ds->priv; + + if (flags.mask & BR_LEARNING) + mt7530_rmw(priv, MT7530_PSC_P(port), SA_DIS, + flags.val & BR_LEARNING ? 0 : SA_DIS); + + if (flags.mask & BR_FLOOD) + mt7530_rmw(priv, MT7530_MFC, UNU_FFP(BIT(port)), + flags.val & BR_FLOOD ? UNU_FFP(BIT(port)) : 0); + + if (flags.mask & BR_MCAST_FLOOD) + mt7530_rmw(priv, MT7530_MFC, UNM_FFP(BIT(port)), + flags.val & BR_MCAST_FLOOD ? UNM_FFP(BIT(port)) : 0); + + if (flags.mask & BR_BCAST_FLOOD) + mt7530_rmw(priv, MT7530_MFC, BC_FFP(BIT(port)), + flags.val & BR_BCAST_FLOOD ? BC_FFP(BIT(port)) : 0); + + return 0; +} + +static int +mt7530_port_set_mrouter(struct dsa_switch *ds, int port, bool mrouter, + struct netlink_ext_ack *extack) +{ + struct mt7530_priv *priv = ds->priv; + + mt7530_rmw(priv, MT7530_MFC, UNM_FFP(BIT(port)), + mrouter ? UNM_FFP(BIT(port)) : 0); + + return 0; +} + static int mt7530_port_bridge_join(struct dsa_switch *ds, int port, struct net_device *bridge) @@ -1349,6 +1400,59 @@ mt7530_port_fdb_dump(struct dsa_switch *ds, int port, return 0; } +static int +mt7530_port_mdb_add(struct dsa_switch *ds, int port, + const struct switchdev_obj_port_mdb *mdb) +{ + struct mt7530_priv *priv = ds->priv; + const u8 *addr = mdb->addr; + u16 vid = mdb->vid; + u8 port_mask = 0; + int ret; + + mutex_lock(&priv->reg_mutex); + + mt7530_fdb_write(priv, vid, 0, addr, 0, STATIC_EMP); + if (!mt7530_fdb_cmd(priv, MT7530_FDB_READ, NULL)) + port_mask = (mt7530_read(priv, MT7530_ATRD) >> PORT_MAP) + & PORT_MAP_MASK; + + port_mask |= BIT(port); + mt7530_fdb_write(priv, vid, port_mask, addr, -1, STATIC_ENT); + ret = mt7530_fdb_cmd(priv, MT7530_FDB_WRITE, NULL); + + mutex_unlock(&priv->reg_mutex); + + return ret; +} + +static int +mt7530_port_mdb_del(struct dsa_switch *ds, int port, + const struct switchdev_obj_port_mdb *mdb) +{ + struct mt7530_priv *priv = ds->priv; + const u8 *addr = mdb->addr; + u16 vid = mdb->vid; + u8 port_mask = 0; + int ret; + + mutex_lock(&priv->reg_mutex); + + mt7530_fdb_write(priv, vid, 0, addr, 0, STATIC_EMP); + if (!mt7530_fdb_cmd(priv, MT7530_FDB_READ, NULL)) + port_mask = (mt7530_read(priv, MT7530_ATRD) >> PORT_MAP) + & PORT_MAP_MASK; + + port_mask &= ~BIT(port); + mt7530_fdb_write(priv, vid, port_mask, addr, -1, + port_mask ? STATIC_ENT : STATIC_EMP); + ret = mt7530_fdb_cmd(priv, MT7530_FDB_WRITE, NULL); + + mutex_unlock(&priv->reg_mutex); + + return ret; +} + static int mt7530_vlan_cmd(struct mt7530_priv *priv, enum mt7530_vlan_cmd cmd, u16 vid) { @@ -2492,9 +2596,13 @@ mt7530_setup(struct dsa_switch *ds) ret = mt753x_cpu_port_enable(ds, i); if (ret) return ret; - } else + } else { mt7530_port_disable(ds, i); + /* Disable learning by default on all user ports */ + mt7530_set(priv, MT7530_PSC_P(i), SA_DIS); + } + /* Enable consistent egress tag */ mt7530_rmw(priv, MT7530_PVC_P(i), PVC_EG_TAG_MASK, PVC_EG_TAG(MT7530_VLAN_EG_CONSISTENT)); @@ -2656,9 +2764,12 @@ mt7531_setup(struct dsa_switch *ds) ret = mt753x_cpu_port_enable(ds, i); if (ret) return ret; - } else + } else { mt7530_port_disable(ds, i); + /* Disable learning by default on all user ports */ + mt7530_set(priv, MT7530_PSC_P(i), SA_DIS); + } /* Enable consistent egress tag */ mt7530_rmw(priv, MT7530_PVC_P(i), PVC_EG_TAG_MASK, PVC_EG_TAG(MT7530_VLAN_EG_CONSISTENT)); @@ -3385,11 +3496,16 @@ static const struct dsa_switch_ops mt7530_switch_ops = { .port_change_mtu = mt7530_port_change_mtu, .port_max_mtu = mt7530_port_max_mtu, .port_stp_state_set = mt7530_stp_state_set, + .port_pre_bridge_flags = mt7530_port_pre_bridge_flags, + .port_bridge_flags = mt7530_port_bridge_flags, + .port_set_mrouter = mt7530_port_set_mrouter, .port_bridge_join = mt7530_port_bridge_join, .port_bridge_leave = mt7530_port_bridge_leave, .port_fdb_add = mt7530_port_fdb_add, .port_fdb_del = mt7530_port_fdb_del, .port_fdb_dump = mt7530_port_fdb_dump, + .port_mdb_add = mt7530_port_mdb_add, + .port_mdb_del = mt7530_port_mdb_del, .port_vlan_filtering = mt7530_port_vlan_filtering, .port_vlan_add = mt7530_port_vlan_add, .port_vlan_del = mt7530_port_vlan_del, diff --git a/drivers/net/dsa/mt7530.h b/drivers/net/dsa/mt7530.h index e4a4c8d1fbc8..fd7b66776c4e 100644 --- a/drivers/net/dsa/mt7530.h +++ b/drivers/net/dsa/mt7530.h @@ -34,6 +34,7 @@ enum mt753x_id { /* Registers to mac forward control for unknown frames */ #define MT7530_MFC 0x10 #define BC_FFP(x) (((x) & 0xff) << 24) +#define BC_FFP_MASK BC_FFP(~0) #define UNM_FFP(x) (((x) & 0xff) << 16) #define UNM_FFP_MASK UNM_FFP(~0) #define UNU_FFP(x) (((x) & 0xff) << 8) diff --git a/net/dsa/tag_mtk.c b/net/dsa/tag_mtk.c index 59748487664f..f9b2966d1936 100644 --- a/net/dsa/tag_mtk.c +++ b/net/dsa/tag_mtk.c @@ -24,9 +24,6 @@ static struct sk_buff *mtk_tag_xmit(struct sk_buff *skb, struct dsa_port *dp = dsa_slave_to_port(dev); u8 xmit_tpid; u8 *mtk_tag; - unsigned char *dest = eth_hdr(skb)->h_dest; - bool is_multicast_skb = is_multicast_ether_addr(dest) && - !is_broadcast_ether_addr(dest); /* Build the special tag after the MAC Source Address. If VLAN header * is present, it's required that VLAN header and special tag is @@ -55,10 +52,6 @@ static struct sk_buff *mtk_tag_xmit(struct sk_buff *skb, mtk_tag[0] = xmit_tpid; mtk_tag[1] = (1 << dp->index) & MTK_HDR_XMIT_DP_BIT_MASK; - /* Disable SA learning for multicast frames */ - if (unlikely(is_multicast_skb)) - mtk_tag[1] |= MTK_HDR_XMIT_SA_DIS; - /* Tag control information is kept for 802.1Q */ if (xmit_tpid == MTK_HDR_XMIT_UNTAGGED) { mtk_tag[2] = 0; @@ -74,9 +67,6 @@ static struct sk_buff *mtk_tag_rcv(struct sk_buff *skb, struct net_device *dev, u16 hdr; int port; __be16 *phdr; - unsigned char *dest = eth_hdr(skb)->h_dest; - bool is_multicast_skb = is_multicast_ether_addr(dest) && - !is_broadcast_ether_addr(dest); if (unlikely(!pskb_may_pull(skb, MTK_HDR_LEN))) return NULL; @@ -102,9 +92,7 @@ static struct sk_buff *mtk_tag_rcv(struct sk_buff *skb, struct net_device *dev, if (!skb->dev) return NULL; - /* Only unicast or broadcast frames are offloaded */ - if (likely(!is_multicast_skb)) - skb->offload_fwd_mark = 1; + skb->offload_fwd_mark = 1; return skb; }