[RFC net-next 3/3] net: dsa: tag_qca: set offload_fwd_mark

From: DENG Qingfang <dqfext@gmail.com>
To: Andrew Lunn <andrew@lunn.ch>,
	Vivien Didelot <vivien.didelot@gmail.com>,
	Florian Fainelli <f.fainelli@gmail.com>,
	Vladimir Oltean <olteanv@gmail.com>,
	"David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>,
	Russell King <linux@armlinux.org.uk>,
	netdev@vger.kernel.org (open list:NETWORKING DRIVERS),
	linux-kernel@vger.kernel.org (open list)
Cc: "Ansuel Smith" <ansuelsmth@gmail.com>,
	"Jonathan McDowell" <noodles@earth.li>,
	"Michal Vokáč" <vokac.m@gmail.com>,
	"Christian Lamparter" <chunkeey@gmail.com>,
	"Nishka Dasgupta" <nishkadg.linux@gmail.com>,
	"Xiaofei Shen" <xiaofeis@codeaurora.org>,
	"John Crispin" <john@phrozen.org>,
	"Stefan Lippers-Hollmann" <s.l-h@gmx.de>,
	"Hannu Nyman" <hannu.nyman@iki.fi>,
	"Imran Khan" <gururug@gmail.com>,
	"Frank Wunderlich" <frank-w@public-files.de>,
	"Nick Lowe" <nick.lowe@gmail.com>,
	"André Valentin" <avalentin@vmh.kalnet.hooya.de>
Subject: [RFC net-next 3/3] net: dsa: tag_qca: set offload_fwd_mark
Date: Sat,  7 Aug 2021 20:07:26 +0800	[thread overview]
Message-ID: <20210807120726.1063225-4-dqfext@gmail.com> (raw)
In-Reply-To: <20210807120726.1063225-1-dqfext@gmail.com>

As we offload flooding and forwarding, set offload_fwd_mark according to
Atheros header's type.

Signed-off-by: DENG Qingfang <dqfext@gmail.com>
---
 net/dsa/tag_qca.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/net/dsa/tag_qca.c b/net/dsa/tag_qca.c
index 6e3136990491..ee5c1fdfef47 100644
--- a/net/dsa/tag_qca.c
+++ b/net/dsa/tag_qca.c
@@ -50,7 +50,7 @@ static struct sk_buff *qca_tag_xmit(struct sk_buff *skb, struct net_device *dev)
 
 static struct sk_buff *qca_tag_rcv(struct sk_buff *skb, struct net_device *dev)
 {
-	u8 ver;
+	u8 ver, type;
 	u16  hdr;
 	int port;
 	__be16 *phdr;
@@ -82,6 +82,15 @@ static struct sk_buff *qca_tag_rcv(struct sk_buff *skb, struct net_device *dev)
 	if (!skb->dev)
 		return NULL;
 
+	type = (hdr & QCA_HDR_RECV_TYPE_MASK) >> QCA_HDR_RECV_TYPE_S;
+	switch (type) {
+	case 0x00: /* Normal packet */
+	case 0x19: /* Flooding to CPU */
+	case 0x1a: /* Forwarding to CPU */
+		dsa_default_offload_fwd_mark(skb);
+		break;
+	}
+
 	return skb;
 }
 
-- 
2.25.1

