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net: dsa: microchip: lan937x: add dsa_tag_protocol

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This patch update the ksz_get_tag_protocol to return LAN937x specific
tag if the chip id matches one of LAN937x series switch

Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arun Ramadoss 2022-07-01 20:32:23 +05:30 committed by David S. Miller
parent 55ab6ffaf3
commit 99b16df0cd
2 changed files with 12 additions and 0 deletions
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3
drivers/net/dsa/microchip/ksz_common.c
View File

@ -1254,6 +1254,9 @@ static enum dsa_tag_protocol ksz_get_tag_protocol(struct dsa_switch *ds,
dev->chip_id == KSZ9567_CHIP_ID)
proto = DSA_TAG_PROTO_KSZ9477;
if (is_lan937x(dev))
proto = DSA_TAG_PROTO_LAN937X_VALUE;
return proto;
}

9
drivers/net/dsa/microchip/ksz_common.h
View File

@ -403,6 +403,15 @@ static inline void ksz_regmap_unlock(void *__mtx)
mutex_unlock(mtx);
}
static inline int is_lan937x(struct ksz_device *dev)
{
return dev->chip_id == LAN9370_CHIP_ID ||
dev->chip_id == LAN9371_CHIP_ID ||
dev->chip_id == LAN9372_CHIP_ID ||
dev->chip_id == LAN9373_CHIP_ID ||
dev->chip_id == LAN9374_CHIP_ID;
}
/* STP State Defines */
#define PORT_TX_ENABLE BIT(2)
#define PORT_RX_ENABLE BIT(1)