diff options
Diffstat (limited to 'target/linux/generic/backport-5.15/777-v6.2-02-net-dsa-tag_qca-fix-wrong-MGMT_DATA2-size.patch')
| -rw-r--r-- | target/linux/generic/backport-5.15/777-v6.2-02-net-dsa-tag_qca-fix-wrong-MGMT_DATA2-size.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.15/777-v6.2-02-net-dsa-tag_qca-fix-wrong-MGMT_DATA2-size.patch b/target/linux/generic/backport-5.15/777-v6.2-02-net-dsa-tag_qca-fix-wrong-MGMT_DATA2-size.patch new file mode 100644 index 0000000000..55ecb1eb42 --- /dev/null +++ b/target/linux/generic/backport-5.15/777-v6.2-02-net-dsa-tag_qca-fix-wrong-MGMT_DATA2-size.patch @@ -0,0 +1,34 @@ +From d9dba91be71f03cc75bcf39fc0d5d99ff33f1ae0 Mon Sep 17 00:00:00 2001 +From: Christian Marangi <ansuelsmth@gmail.com> +Date: Thu, 29 Dec 2022 17:33:33 +0100 +Subject: [PATCH 2/5] net: dsa: tag_qca: fix wrong MGMT_DATA2 size + +It was discovered that MGMT_DATA2 can contain up to 28 bytes of data +instead of the 12 bytes written in the Documentation by accounting the +limit of 16 bytes declared in Documentation subtracting the first 4 byte +in the packet header. + +Update the define with the real world value. + +Tested-by: Ronald Wahl <ronald.wahl@raritan.com> +Fixes: c2ee8181fddb ("net: dsa: tag_qca: add define for handling mgmt Ethernet packet") +Signed-off-by: Christian Marangi <ansuelsmth@gmail.com> +Cc: stable@vger.kernel.org # v5.18+ +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + include/linux/dsa/tag_qca.h | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +--- a/include/linux/dsa/tag_qca.h ++++ b/include/linux/dsa/tag_qca.h +@@ -40,8 +40,8 @@ + QCA_HDR_MGMT_COMMAND_LEN + \ + QCA_HDR_MGMT_DATA1_LEN) + +-#define QCA_HDR_MGMT_DATA2_LEN 12 /* Other 12 byte for the mdio data */ +-#define QCA_HDR_MGMT_PADDING_LEN 34 /* Padding to reach the min Ethernet packet */ ++#define QCA_HDR_MGMT_DATA2_LEN 28 /* Other 28 byte for the mdio data */ ++#define QCA_HDR_MGMT_PADDING_LEN 18 /* Padding to reach the min Ethernet packet */ + + #define QCA_HDR_MGMT_PKT_LEN (QCA_HDR_MGMT_HEADER_LEN + \ + QCA_HDR_LEN + \ |