[net-next PATCH RFC v5 09/16] net: dsa: tag_qca: add define for handling MIB packet
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SUPERSEDED
From: Ansuel Smith <ansuelsmth@gmail.com>
Date: 2021-12-14 21:11:33
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Subsystem:
networking [dsa], networking [general], qualcomm atheros qca8k dsa switch driver, the rest · Maintainers:
Andrew Lunn, Vladimir Oltean, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Christian Marangi, Linus Torvalds
Status: Superseded by v8 (posted 2022-02-02). [go to v8]
Revision v5 (6 revisions archived).
Revisions (6)
Add struct to correctly parse a mib Ethernet packet. Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com> --- include/linux/dsa/tag_qca.h | 10 ++++++++++ net/dsa/tag_qca.c | 4 ++++ 2 files changed, 14 insertions(+)
diff --git a/include/linux/dsa/tag_qca.h b/include/linux/dsa/tag_qca.h
index 21cd0db5acc2..cd6275bac103 100644
--- a/include/linux/dsa/tag_qca.h
+++ b/include/linux/dsa/tag_qca.h@@ -59,4 +59,14 @@ struct mdio_ethhdr { __be16 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; + #endif /* __TAG_QCA_H */
diff --git a/net/dsa/tag_qca.c b/net/dsa/tag_qca.c
index d30249b5205d..f5547d357647 100644
--- a/net/dsa/tag_qca.c
+++ b/net/dsa/tag_qca.c@@ -55,6 +55,10 @@ static struct sk_buff *qca_tag_rcv(struct sk_buff *skb, struct net_device *dev) if (pk_type == QCA_HDR_RECV_TYPE_RW_REG_ACK) return NULL; + /* Ethernet MIB counter packet */ + if (pk_type == QCA_HDR_RECV_TYPE_MIB) + return NULL; + /* Remove QCA tag and recalculate checksum */ skb_pull_rcsum(skb, QCA_HDR_LEN); dsa_strip_etype_header(skb, QCA_HDR_LEN);
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2.33.1