From patchwork Thu Oct 24 10:30:53 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: 13848740 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 C654518B46A; Thu, 24 Oct 2024 10:31:29 +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=1729765892; cv=none; b=pk5Bh4RVehY1dhXRvjeg6dlkuHncSJ8G1aJFt6YCid07x0b71SJ0CKnnH0gn84hrfuCKg/IeuuHp11TOb54sPJCMo0dW22/dLqPuLsN9sZN091CEwei4yMueODup6kYGc2NLZ4ebAH5N2p05qH/D6By3CpxGQbGZ0UDIGeVj3ys= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729765892; c=relaxed/simple; bh=dIAxm1szg0eXxoUrHaRJyEkFiqNB1EbdiqdWK0Q3L7Q=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=q6FC/TPQ1xkWhm5z3VDFpnyFOGbUpJl9WF2tfNJMNWQtLYvwcL0gdacK5ULIfCEJfNSekKxkWSrG1/aX5S1vjTgJ1sP6yfkeGV0h1CxLiHpInSI1XeLqhZNO5ZkjqkQGiwcWK9se6iR3R9HsGXE5y3rVfwm136Rh8tr66I2SeYY= 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=meUcuEIU; 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="meUcuEIU" Received: from lelv0265.itg.ti.com ([10.180.67.224]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 49OAV0AH105566; Thu, 24 Oct 2024 05:31:00 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1729765860; bh=7pYI8kQhzLjk8qhIVY25r6ky5/FBxidxa1N2CUq2AxI=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=meUcuEIUCGevKlh1I5NWc5PRPQTLTOTK4YmrI1wNzb5KaJTIzU78AYCe50port1j+ xcAgZNKpRdhHstjQDVV5IILKC1rpVO9GO9G/r1zbhK83kRP9U9nRIbpyJle6pgwfRX mVFCgFgjEgocNz10kfLTDynGWlVtipqxVz4tu6fQ= Received: from DFLE115.ent.ti.com (dfle115.ent.ti.com [10.64.6.36]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 49OAV0DB022888 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 24 Oct 2024 05:31:00 -0500 Received: from DFLE101.ent.ti.com (10.64.6.22) by DFLE115.ent.ti.com (10.64.6.36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Thu, 24 Oct 2024 05:30:59 -0500 Received: from fllvsmtp8.itg.ti.com (10.64.41.158) by DFLE101.ent.ti.com (10.64.6.22) 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; Thu, 24 Oct 2024 05:30:59 -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 49OAUxwd082187; Thu, 24 Oct 2024 05:30:59 -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 49OAUxfs024592; Thu, 24 Oct 2024 05:30:59 -0500 From: MD Danish Anwar To: , , , , , , , , , , , , , , , CC: , , , , , Vignesh Raghavendra , Roger Quadros , , Subject: [PATCH net-next v2 1/4] net: hsr: Add VLAN support Date: Thu, 24 Oct 2024 16:00:53 +0530 Message-ID: <20241024103056.3201071-2-danishanwar@ti.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241024103056.3201071-1-danishanwar@ti.com> References: <20241024103056.3201071-1-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;