[PATCH net-next 10/13] net: phy: phy_link_topology: Add a helper to retrieve ports
From: Maxime Chevallier <maxime.chevallier@bootlin.com>
Date: 2026-01-27 13:42:45
Also in:
lkml
Subsystem:
ethernet phy library, networking [ethtool phy topology], the rest · Maintainers:
Andrew Lunn, Heiner Kallweit, Maxime Chevallier, Linus Torvalds
In order to allow netlink access to phy_ports, let's add a helper to retrieve them. When handling a port coming from phy_link_topology, the caller must hold rtnl until it's done with it. Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com> --- include/linux/phy_link_topology.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)
diff --git a/include/linux/phy_link_topology.h b/include/linux/phy_link_topology.h
index 66bceff72b19..d5f8f20c5d32 100644
--- a/include/linux/phy_link_topology.h
+++ b/include/linux/phy_link_topology.h@@ -66,6 +66,17 @@ phy_link_topo_get_phy(struct net_device *dev, u32 phyindex) return NULL; } +static inline struct phy_port * +phy_link_topo_get_port(struct net_device *dev, u32 port_id) +{ + struct phy_link_topology *topo = dev->link_topo; + + if (!topo) + return NULL; + + return xa_load(&topo->ports, port_id); +} + #else static inline int phy_link_topo_add_phy(struct net_device *dev, struct phy_device *phy,
@@ -95,6 +106,11 @@ phy_link_topo_get_phy(struct net_device *dev, u32 phyindex) { return NULL; } + +phy_link_topo_get_port(struct net_device *dev, u32 port_id) +{ + return NULL; +} #endif #endif /* __PHY_LINK_TOPOLOGY_H */
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2.49.0