ixgbe_write_phy_reg_x550a(9)

📦 version 7.3.1, in nixpkgs unstable

💅 ixgbe_write_phy_reg_x550a — a Kernel API Manual moment

okay so bestie, welcome to the Kernel API Manual page for ixgbe_write_phy_reg_x550a, and yes the title is literally the function name because we're fancy like that 🎀

✨ NAME ✨

ixgbe_write_phy_reg_x550a — writes specified PHY register. that's it. that's the whole vibe. 💖

🌸 SYNOPSIS 🌸

int ixgbe_write_phy_reg_x550a (struct ixgbe_hw *hw , u32 reg_addr , u32
device_type , u16 phy_data );

🦋 ARGUMENTS 🦋

  • hw — pointer to hardware structure. like, the actual hardware bestie, hand it over 🫶
  • reg_addr — 32 bit PHY register to write. yeah. 32 whole bits. iconic.
  • device_type — 5 bit device type. smol but mighty ✨
  • phy_data — Data to write to the PHY register. the payload. the main character 🎀

🔥 DESCRIPTION 🔥

Writes a value to specified PHY register using the SWFW lock and PHY Token. the way that it needs the PHY Token because the MDIO is shared between to MAC instances — like two roomies sharing one bathroom, you gotta take the token before you go in, no cap 🚪💅

also yes, the original says "between to MAC instances" and i'm not gonna gaslight you by silently editing it, so there it is, preserved exactly 😭

👑 SEE ALSO 👑

  • Kernel file ./drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c

and the whole extended friend group, all of them, no skipping:

🧚 sign-off 🧚

this masterpiece lives in ./drivers/net/ethernet/intel/i... (yes that's the truncated path, i'm not gonna pretend otherwise 🙈), dated October 2026, and it's filed under ixgbe_write_phy_reg_x550a(9) — go write that PHY register bestie, but take the token first, fr fr 💜✨

📦 where this page comes from