netdev - [PATCH v2 net-next 12/16] net: dsa: tag_mtk: use the generic flow dissector procedure

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20200926173108.1230014-13-vladimir.oltean@nxp.com>
Date:   Sat, 26 Sep 2020 20:31:04 +0300
From:   Vladimir Oltean <vladimir.oltean@....com>
To:     netdev@...r.kernel.org, davem@...emloft.net
Cc:     andrew@...n.ch, f.fainelli@...il.com, vivien.didelot@...il.com,
        kuba@...nel.org
Subject: [PATCH v2 net-next 12/16] net: dsa: tag_mtk: use the generic flow dissector procedure

Mediatek switches already account for shifting the frame headers to the
right, replace that with a call to the generic flow dissector procedure.

Cc: DENG Qingfang <dqfext@...il.com>
Cc: Sean Wang <sean.wang@...iatek.com>
Cc: John Crispin <john@...ozen.org>
Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>
---
 net/dsa/tag_mtk.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/net/dsa/tag_mtk.c b/net/dsa/tag_mtk.c
index 2aba17b43e69..7aea20b1d58d 100644
--- a/net/dsa/tag_mtk.c
+++ b/net/dsa/tag_mtk.c
@@ -105,19 +105,12 @@ static struct sk_buff *mtk_tag_rcv(struct sk_buff *skb, struct net_device *dev,
 	return skb;
 }
 
-static void mtk_tag_flow_dissect(const struct sk_buff *skb, __be16 *proto,
-				 int *offset)
-{
-	*offset = 4;
-	*proto = ((__be16 *)skb->data)[1];
-}
-
 static const struct dsa_device_ops mtk_netdev_ops = {
 	.name		= "mtk",
 	.proto		= DSA_TAG_PROTO_MTK,
 	.xmit		= mtk_tag_xmit,
 	.rcv		= mtk_tag_rcv,
-	.flow_dissect	= mtk_tag_flow_dissect,
+	.flow_dissect	= dsa_tag_generic_flow_dissect,
 	.overhead	= MTK_HDR_LEN,
 };
 
-- 
2.25.1