[PATCH net-next v7 00/13] Introduce PHY listing and link_topology tracking

[Jakub Kicinski]

On Tue, 13 Feb 2024 16:04:17 +0100 Maxime Chevallier wrote:
> This is V7 for the link topology addition, allowing to track all PHYs
> that are linked to netdevices.
> 
> The main change in V7 is the protection of the main internal API
> entrypoints (link_topo_init/cleanup, link_topo_add/del_phy) by
> IS_REACHABLE(CONFIG_PHYLIB).
> 
> That's restrictive, but it looks difficult to do otherwise while still keep the
> data structure opaque and not add dependency clutter with PHYLIB.
> 
> As you can tell, I'm unsure about this, so please don't hesitate to
> comment on that part :)
> 
> The other changes are very minor, the only one is a call to netdev_put
> in the .done() netlink callback.
> 
> As a remainder, here's what the PHY listings would look like :
>  - eth0 has a 88x3310 acting as media converter, and an SFP module with
>    an embedded 88e1111 PHY
>  - eth2 has a 88e1510 PHY

Needs a rebase, core has been busy lately:

Applying: net: phy: Introduce ethernet link topology representation
Using index info to reconstruct a base tree...
M	MAINTAINERS
M	drivers/net/phy/Makefile
M	drivers/net/phy/phy_device.c
M	include/linux/netdevice.h
M	include/linux/phy.h
M	net/core/dev.c
Falling back to patching base and 3-way merge...
Auto-merging net/core/dev.c
CONFLICT (content): Merge conflict in net/core/dev.c
Auto-merging include/linux/phy.h
Auto-merging include/linux/netdevice.h
Auto-merging drivers/net/phy/phy_device.c
Auto-merging drivers/net/phy/Makefile
Auto-merging MAINTAINERS
Recorded preimage for 'net/core/dev.c'
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