Documentation/networking/phy-link-topology.rst

5 PHY link topology
11 The PHY link topology representation in the networking stack aims at representing
35 The link topology then looks like this (when an SFP module is inserted) ::
62 The phy_link topology framework aims at providing a way to keep track of every
64 report the topology to userspace, allowing to target individual PHYs in configuration
72 it is then possible to register PHYs to the topology through :
76 Besides registering the PHY to the topology, this call will also assign a unique
79 0 is reserved to indicate the PHY doesn't belong to any topology yet.
81 The PHY can then be removed from the topology through
87 join the netdev's topology.
100 There exist a set of netlink commands to query the link topology from userspace,
103 The whole point of having a topology representation is to assign the phyindex