generic: 5.15: qca8k: add kernel version tag on backport patch

[openwrt/staging/svanheule.git] / target / linux / generic / backport-5.15 / 766-v5.18-07-net-dsa-tag_qca-add-define-for-handling-MIB-packet.patch

diff --git a/target/linux/generic/backport-5.15/766-v5.18-07-net-dsa-tag_qca-add-define-for-handling-MIB-packet.patch b/target/linux/generic/backport-5.15/766-v5.18-07-net-dsa-tag_qca-add-define-for-handling-MIB-packet.patch
new file mode 100644 (file)
index 0000000..7e5dc65
--- /dev/null
+++ b/target/linux/generic/backport-5.15/766-v5.18-07-net-dsa-tag_qca-add-define-for-handling-MIB-packet.patch
@@ -0,0 +1,45 @@
+From 18be654a4345f7d937b4bfbad74bea8093e3a93c Mon Sep 17 00:00:00 2001
+From: Ansuel Smith <ansuelsmth@gmail.com>
+Date: Wed, 2 Feb 2022 01:03:26 +0100
+Subject: [PATCH 07/16] 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>
+---
+ include/linux/dsa/tag_qca.h | 10 ++++++++++
+ net/dsa/tag_qca.c           |  4 ++++
+ 2 files changed, 14 insertions(+)
+
+--- 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 */
+--- a/net/dsa/tag_qca.c
++++ b/net/dsa/tag_qca.c
+@@ -57,6 +57,10 @@ static struct sk_buff *qca_tag_rcv(struc
+       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);