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net: dsa: tag_qca: fix wrong MGMT_DATA2 size

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commit d9dba91be71f03cc75bcf39fc0d5d99ff33f1ae0 upstream.

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: c2ee8181fd ("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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Christian Marangi 2022-12-29 17:33:33 +01:00 • committed by Greg Kroah-Hartman
parent ec60222356
commit 39a20c4354
1 changed files with 2 additions and 2 deletions
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4
include/linux/dsa/tag_qca.h
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@ -45,8 +45,8 @@ struct sk_buff;
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 + \