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>
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@ -178,8 +178,9 @@ MODULE_ALIAS_DSA_TAG_DRIVER(DSA_TAG_PROTO_KSZ8795, KSZ8795_NAME);
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#define KSZ9477_INGRESS_TAG_LEN 2
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#define KSZ9477_INGRESS_TAG_LEN 2
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#define KSZ9477_PTP_TAG_LEN 4
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#define KSZ9477_PTP_TAG_LEN 4
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#define KSZ9477_PTP_TAG_INDICATION 0x80
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#define KSZ9477_PTP_TAG_INDICATION BIT(7)
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#define KSZ9477_TAIL_TAG_EG_PORT_M GENMASK(2, 0)
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#define KSZ9477_TAIL_TAG_PRIO GENMASK(8, 7)
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#define KSZ9477_TAIL_TAG_PRIO GENMASK(8, 7)
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#define KSZ9477_TAIL_TAG_OVERRIDE BIT(9)
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#define KSZ9477_TAIL_TAG_OVERRIDE BIT(9)
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#define KSZ9477_TAIL_TAG_LOOKUP BIT(10)
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#define KSZ9477_TAIL_TAG_LOOKUP BIT(10)
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@ -312,7 +313,7 @@ static struct sk_buff *ksz9477_rcv(struct sk_buff *skb, struct net_device *dev)
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{
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{
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/* Tag decoding */
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/* Tag decoding */
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u8 *tag = skb_tail_pointer(skb) - KSZ_EGRESS_TAG_LEN;
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u8 *tag = skb_tail_pointer(skb) - KSZ_EGRESS_TAG_LEN;
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unsigned int port = tag[0] & 7;
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unsigned int port = tag[0] & KSZ9477_TAIL_TAG_EG_PORT_M;
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unsigned int len = KSZ_EGRESS_TAG_LEN;
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unsigned int len = KSZ_EGRESS_TAG_LEN;
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/* Extra 4-bytes PTP timestamp */
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/* Extra 4-bytes PTP timestamp */
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