phy_sfp_attach(9)

🌸 NAME 🌸

okay so bestie, welcome to the Kernel API Manual page for phy_sfp_attach 💖 — it's literally “attach the SFP bus to the PHY upstream network device.” No cap, that's the whole name vibe.

✨ SYNOPSIS ✨

void phy_sfp_attach (void *upstream , struct sfp_bus *bus );

🫶 ARGUMENTS 🫶

• upstream — pointer to the phy device 👀
• bus — sfp bus representing cage being attached 💅

💖 DESCRIPTION 💖

This is used to fill in the sfp_upstream_ops .attach member. That's it, that's the assignment — it's the fill-in for that .attach member, periodt ✨.

🔗 SEE ALSO 🔗

Kernel file ./drivers/net/phy/phy_device.c — plus the whole iconic crew:

• phy_uses_state_machine(9), phy_register_fixup(9), genphy_match_phy_device(9), get_phy_c45_ids(9), get_phy_c22_id(9), get_phy_device(9)
• phy_device_register(9), phy_device_remove(9), phy_get_c45_ids(9), phy_find_next(9), phy_prepare_link(9), phy_connect_direct(9)
• phy_connect(9), phy_disconnect(9), phy_poll_reset(9), phy_sfp_connect_phy(9), phy_sfp_disconnect_phy(9), phy_sfp_detach(9)
• phy_sfp_probe(9), phy_attach_direct(9), phy_detach(9), phy_reset_after_clk_enable(9), genphy_config_advert(9), genphy_c37_config_advert(9)
• genphy_setup_forced(9), genphy_restart_aneg(9), genphy_check_and_restart_aneg(9), __genphy_config_aneg(9), genphy_c37_config_aneg(9), genphy_aneg_done(9)
• genphy_update_link(9), genphy_read_status_fixed(9), genphy_read_status(9), genphy_c37_read_status(9), genphy_soft_reset(9), genphy_read_abilities(9)
• phy_remove_link_mode(9), phy_advertise_supported(9), phy_advertise_eee_all(9), phy_support_eee(9), phy_disable_eee(9), phy_support_sym_pause(9)
• phy_support_asym_pause(9), phy_set_sym_pause(9), phy_set_asym_pause(9), phy_validate_pause(9), phy_get_pause(9), phy_get_internal_delay(9)
• phy_get_tx_amplitude_gain(9), phy_get_mac_termination(9), phy_get_sfp_port(9), fwnode_mdio_find_device(9), fwnode_phy_find_device(9), fwnode_get_phy_node(9)
• phy_probe(9), phy_driver_register(9)

mwah 💋 source/version: ./drivers/net/phy • date: October 2026 • page: phy_sfp_attach(9)