netdev - [PATCH net-next v3 1/3] net: ptp: introduce common defines for PTP message types

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Message-ID: <20201120084106.10046-2-ceggers@arri.de>
Date:   Fri, 20 Nov 2020 09:41:04 +0100
From:   Christian Eggers <ceggers@...i.de>
To:     Richard Cochran <richardcochran@...il.com>,
        Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Jakub Kicinski <kuba@...nel.org>
CC:     Vladimir Oltean <olteanv@...il.com>,
        Russell King <linux@...linux.org.uk>,
        "David S . Miller" <davem@...emloft.net>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, Christian Eggers <ceggers@...i.de>,
        "Kurt Kanzenbach" <kurt@...utronix.de>
Subject: [PATCH net-next v3 1/3] net: ptp: introduce common defines for PTP message types

Using PTP wide defines will obsolete different driver internal defines
and uses of magic numbers.

Signed-off-by: Christian Eggers <ceggers@...i.de>
Cc: Kurt Kanzenbach <kurt@...utronix.de>
---
 include/linux/ptp_classify.h | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/include/linux/ptp_classify.h b/include/linux/ptp_classify.h
index 56b2d7d66177..cc0da0b134a4 100644
--- a/include/linux/ptp_classify.h
+++ b/include/linux/ptp_classify.h
@@ -31,6 +31,11 @@
 #define PTP_CLASS_V2_VLAN (PTP_CLASS_V2 | PTP_CLASS_VLAN)
 #define PTP_CLASS_L4      (PTP_CLASS_IPV4 | PTP_CLASS_IPV6)
 
+#define PTP_MSGTYPE_SYNC        0x0
+#define PTP_MSGTYPE_DELAY_REQ   0x1
+#define PTP_MSGTYPE_PDELAY_REQ  0x2
+#define PTP_MSGTYPE_PDELAY_RESP 0x3
+
 #define PTP_EV_PORT 319
 #define PTP_GEN_BIT 0x08 /* indicates general message, if set in message type */
 
@@ -138,7 +143,7 @@ static inline u8 ptp_get_msgtype(const struct ptp_header *hdr,
 	/* The return is meaningless. The stub function would not be
 	 * executed since no available header from ptp_parse_header.
 	 */
-	return 0;
+	return PTP_MSGTYPE_SYNC;
 }
 #endif
 #endif /* _PTP_CLASSIFY_H_ */
-- 
Christian Eggers
Embedded software developer

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