net: phy: add helpers to handle sfp phy connect/disconnect

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There are a few PHY drivers that can handle SFP modules through their
sfp_upstream_ops. Introduce Phylib helpers to keep track of connected
SFP PHYs in a netdevice's namespace, by adding the SFP PHY to the
upstream PHY's netdev's namespace.

By doing so, these SFP PHYs can be enumerated and exposed to users,
which will be able to use their capabilities.

Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Maxime Chevallier 2024-04-04 11:29:53 +02:00 • committed by David S. Miller

parent 0ec5ed6c13

commit e75e4e074c

7 changed files with 60 additions and 0 deletions

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2

drivers/net/phy/marvell-88x2222.c

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drivers/net/phy/marvell.c

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drivers/net/phy/marvell10g.c

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drivers/net/phy/phy_device.c

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drivers/net/phy/qcom/at803x.c

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drivers/net/phy/qcom/qca807x.c

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include/linux/phy.h

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