From patchwork Fri Oct 4 07:47:13 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: MD Danish Anwar X-Patchwork-Id: 13821814 X-Patchwork-Delegate: kuba@kernel.org Received: from fllv0015.ext.ti.com (fllv0015.ext.ti.com [198.47.19.141]) (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 E27B47F7CA; Fri, 4 Oct 2024 07:47:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.47.19.141 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728028059; cv=none; b=ZfJLmkPE06qmaHAn7TomoppMHme/9l2/dP8qF9Inf60QbKX6i7gfb6OW1tzs9p8LHHMBGSwJTWOZdvmGr3bXx8NIiqfl9zsyNAYG1bf5mD2N+twAsFcNpfWIzJ+UuLGhoq82IZcoHMNoSOh0/aH0kRThTnKli6LwGMG2bUxxbgU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728028059; c=relaxed/simple; bh=dIAxm1szg0eXxoUrHaRJyEkFiqNB1EbdiqdWK0Q3L7Q=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=CTrd4bXa8xyGQjI4wyDKGDlRXdIYyD8r56rJJ9QX3p2U81eLGWHr9BZn2Id//O6bElEZojhVM7/pqHN1hrpgaGCCOy2DYjLamI/c42I7oKfRo/SLZDZGE9EmozBn7AvZJg16ggnVYKlSD1C+sOlclU7S1ibl9DNC+zaGif+08pg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com; spf=pass smtp.mailfrom=ti.com; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b=XUQoXhFH; arc=none smtp.client-ip=198.47.19.141 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ti.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="XUQoXhFH" Received: from fllv0035.itg.ti.com ([10.64.41.0]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 4947lKHV094502; Fri, 4 Oct 2024 02:47:20 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1728028040; bh=7pYI8kQhzLjk8qhIVY25r6ky5/FBxidxa1N2CUq2AxI=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=XUQoXhFHQ8yijQdyE3dYiGKa1FU0SCVaQ4uKL36oTvmKbb+/xkPLDkOUL6GG0raee oPJ/LpEi5USRkZBFnHlsoCWCQY+4veo4c+4q7JnBNHtsc69yjxW77d0B9evyad+VFr Y/HPwSn3wJxAGjQs33gTIzTdavuDEnWrWYQiLEKo= Received: from DLEE103.ent.ti.com (dlee103.ent.ti.com [157.170.170.33]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 4947lKrr035325 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 4 Oct 2024 02:47:20 -0500 Received: from DLEE104.ent.ti.com (157.170.170.34) by DLEE103.ent.ti.com (157.170.170.33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Fri, 4 Oct 2024 02:47:19 -0500 Received: from fllvsmtp8.itg.ti.com (10.64.41.158) by DLEE104.ent.ti.com (157.170.170.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Fri, 4 Oct 2024 02:47:19 -0500 Received: from lelv0854.itg.ti.com (lelv0854.itg.ti.com [10.181.64.140]) by fllvsmtp8.itg.ti.com (8.15.2/8.15.2) with ESMTP id 4947lJh5031571; Fri, 4 Oct 2024 02:47:19 -0500 Received: from localhost (danish-tpc.dhcp.ti.com [10.24.69.25]) by lelv0854.itg.ti.com (8.14.7/8.14.7) with ESMTP id 4947lIDQ025138; Fri, 4 Oct 2024 02:47:19 -0500 From: MD Danish Anwar To: , , , , , , , , , , , CC: , , , , Vignesh Raghavendra , Roger Quadros , Subject: [PATCH net-next 1/3] net: hsr: Add VLAN support Date: Fri, 4 Oct 2024 13:17:13 +0530 Message-ID: <20241004074715.791191-2-danishanwar@ti.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241004074715.791191-1-danishanwar@ti.com> References: <20241004074715.791191-1-danishanwar@ti.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea X-Patchwork-Delegate: kuba@kernel.org From: WingMan Kwok Add support for creating VLAN interfaces over HSR/PRP interface. Signed-off-by: WingMan Kwok Signed-off-by: Murali Karicheri Signed-off-by: MD Danish Anwar --- net/hsr/hsr_device.c | 5 ----- net/hsr/hsr_forward.c | 19 ++++++++++++++----- 2 files changed, 14 insertions(+), 10 deletions(-) diff --git a/net/hsr/hsr_device.c b/net/hsr/hsr_device.c index ebdfd5b64e17..0ca47ebb01d3 100644 --- a/net/hsr/hsr_device.c +++ b/net/hsr/hsr_device.c @@ -572,11 +572,6 @@ void hsr_dev_setup(struct net_device *dev) NETIF_F_HW_VLAN_CTAG_TX; dev->features = dev->hw_features; - - /* VLAN on top of HSR needs testing and probably some work on - * hsr_header_create() etc. - */ - dev->features |= NETIF_F_VLAN_CHALLENGED; } /* Return true if dev is a HSR master; return false otherwise. diff --git a/net/hsr/hsr_forward.c b/net/hsr/hsr_forward.c index b38060246e62..aa6acebc7c1e 100644 --- a/net/hsr/hsr_forward.c +++ b/net/hsr/hsr_forward.c @@ -280,6 +280,7 @@ static struct sk_buff *hsr_fill_tag(struct sk_buff *skb, struct hsr_port *port, u8 proto_version) { struct hsr_ethhdr *hsr_ethhdr; + unsigned char *pc; int lsdu_size; /* pad to minimum packet size which is 60 + 6 (HSR tag) */ @@ -290,7 +291,18 @@ static struct sk_buff *hsr_fill_tag(struct sk_buff *skb, if (frame->is_vlan) lsdu_size -= 4; - hsr_ethhdr = (struct hsr_ethhdr *)skb_mac_header(skb); + pc = skb_mac_header(skb); + if (frame->is_vlan) + /* This 4-byte shift (size of a vlan tag) does not + * mean that the ethhdr starts there. But rather it + * provides the proper environment for accessing + * the fields, such as hsr_tag etc., just like + * when the vlan tag is not there. This is because + * the hsr tag is after the vlan tag. + */ + hsr_ethhdr = (struct hsr_ethhdr *)(pc + VLAN_HLEN); + else + hsr_ethhdr = (struct hsr_ethhdr *)pc; hsr_set_path_id(hsr_ethhdr, port); set_hsr_tag_LSDU_size(&hsr_ethhdr->hsr_tag, lsdu_size); @@ -368,7 +380,7 @@ struct sk_buff *prp_create_tagged_frame(struct hsr_frame_info *frame, return skb_clone(frame->skb_std, GFP_ATOMIC); } - skb = skb_copy_expand(frame->skb_std, 0, + skb = skb_copy_expand(frame->skb_std, skb_headroom(frame->skb_std), skb_tailroom(frame->skb_std) + HSR_HLEN, GFP_ATOMIC); return prp_fill_rct(skb, frame, port); @@ -690,9 +702,6 @@ static int fill_frame_info(struct hsr_frame_info *frame, if (frame->is_vlan) { vlan_hdr = (struct hsr_vlan_ethhdr *)ethhdr; proto = vlan_hdr->vlanhdr.h_vlan_encapsulated_proto; - /* FIXME: */ - netdev_warn_once(skb->dev, "VLAN not yet supported"); - return -EINVAL; } frame->is_from_san = false;