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authorPieter Van Trappen <pieter.van.trappen@cern.ch>2024-09-09 15:42:59 +0200
committerJakub Kicinski <kuba@kernel.org>2024-09-10 17:27:56 -0700
commit3f464b193d40e49299dcd087b10cc3b77cbbea68 (patch)
tree7b994f13bfc674efef80e52b2263a522c9d3f853
parent97b1ebb1e27d71a34367f6401ddebbd837d076a9 (diff)
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net: dsa: microchip: update tag_ksz masks for KSZ9477 family
Remove magic number 7 by introducing a GENMASK macro instead. Remove magic number 0x80 by using the BIT macro instead. Signed-off-by: Pieter Van Trappen <pieter.van.trappen@cern.ch> Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com> Link: https://patch.msgid.link/20240909134301.75448-1-vtpieter@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
-rw-r--r--net/dsa/tag_ksz.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/net/dsa/tag_ksz.c b/net/dsa/tag_ksz.c
index 1f46de394f2e..281bbac5539d 100644
--- a/net/dsa/tag_ksz.c
+++ b/net/dsa/tag_ksz.c
@@ -178,8 +178,9 @@ MODULE_ALIAS_DSA_TAG_DRIVER(DSA_TAG_PROTO_KSZ8795, KSZ8795_NAME);
#define KSZ9477_INGRESS_TAG_LEN 2
#define KSZ9477_PTP_TAG_LEN 4
-#define KSZ9477_PTP_TAG_INDICATION 0x80
+#define KSZ9477_PTP_TAG_INDICATION BIT(7)
+#define KSZ9477_TAIL_TAG_EG_PORT_M GENMASK(2, 0)
#define KSZ9477_TAIL_TAG_PRIO GENMASK(8, 7)
#define KSZ9477_TAIL_TAG_OVERRIDE BIT(9)
#define KSZ9477_TAIL_TAG_LOOKUP BIT(10)
@@ -312,7 +313,7 @@ static struct sk_buff *ksz9477_rcv(struct sk_buff *skb, struct net_device *dev)
{
/* Tag decoding */
u8 *tag = skb_tail_pointer(skb) - KSZ_EGRESS_TAG_LEN;
- unsigned int port = tag[0] & 7;
+ unsigned int port = tag[0] & KSZ9477_TAIL_TAG_EG_PORT_M;
unsigned int len = KSZ_EGRESS_TAG_LEN;
/* Extra 4-bytes PTP timestamp */