netdev - [net-next RFC PATCH v3 09/15] net: dsa: tag_qca: add define for handling MIB packet

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Date:   Sat, 11 Dec 2021 03:01:43 +0100
From:   Ansuel Smith <ansuelsmth@...il.com>
To:     Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...nel.org>, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, bpf@...r.kernel.org
Cc:     Ansuel Smith <ansuelsmth@...il.com>
Subject: [net-next RFC PATCH v3 09/15] net: dsa: tag_qca: add define for handling MIB packet

Add struct to correctly parse a mib Ethernet packet.

Signed-off-by: Ansuel Smith <ansuelsmth@...il.com>
---
 include/linux/dsa/tag_qca.h | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/include/linux/dsa/tag_qca.h b/include/linux/dsa/tag_qca.h
index 578a4aeafd92..f3369b939107 100644
--- a/include/linux/dsa/tag_qca.h
+++ b/include/linux/dsa/tag_qca.h
@@ -59,4 +59,21 @@ struct mdio_ethhdr {
 	u16 hdr;		/* qca hdr */
 } __packed;
 
+enum mdio_cmd {
+	MDIO_WRITE = 0x0,
+	MDIO_READ
+};
+
+struct mib_ethhdr {
+	u32 data[3];		/* first 3 mib counter */
+	__be16 hdr;		/* qca hdr */
+} __packed;
+
+struct tag_qca_priv {
+	void (*rw_reg_ack_handler)(struct dsa_port *dp,
+				   struct sk_buff *skb);
+	void (*mib_autocast_handler)(struct dsa_port *dp,
+				     struct sk_buff *skb);
+};
+
 #endif /* __TAG_QCA_H */
-- 
2.32.0