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authorAnsuel Smith <ansuelsmth@gmail.com>2022-02-02 03:03:26 +0300
committerDavid S. Miller <davem@davemloft.net>2022-02-02 17:43:59 +0300
commit18be654a4345f7d937b4bfbad74bea8093e3a93c (patch)
treed33993f1f103fda3604d49fb00f57c8afd0f9a5b
parentc2ee8181fddb293d296477f60b3eb4fa3ce4e1a6 (diff)
downloadlinux-18be654a4345f7d937b4bfbad74bea8093e3a93c.tar.xz
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@gmail.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--include/linux/dsa/tag_qca.h10
-rw-r--r--net/dsa/tag_qca.c4
2 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/dsa/tag_qca.h b/include/linux/dsa/tag_qca.h
index f366422ab7a0..1fff57f2937b 100644
--- a/include/linux/dsa/tag_qca.h
+++ b/include/linux/dsa/tag_qca.h
@@ -62,4 +62,14 @@ struct qca_mgmt_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 f17ed5be20c2..be792cf687d9 100644
--- a/net/dsa/tag_qca.c
+++ b/net/dsa/tag_qca.c
@@ -57,6 +57,10 @@ 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);