igb_check_downshift(9)

📦 version 7.3.1, in nixpkgs unstable

okay so bestie, welcome to the igb_check_downshift(9) page — yep, that's the manual name, and it lives under the Kernel API Manual umbrella. 💅 This one is short and sweet, but we are still giving every single detail its moment. ✨

🎀 NAME 🎀

igb_check_downshift — checks whether a downshift in speed occurred. 💅

✨ SYNOPSIS ✨

s32 igb_check_downshift (struct e1000_hw *hw );

🫶 ARGUMENTS 🫶

  • hw — pointer to the HW structure. That's the whole arg, bestie. 🦋

💖 DESCRIPTION 💖

Okay so the return values are giving very specific energy: Success returns 0, Failure returns 1. 😭 No cap, that's the contract.

A downshift is detected by querying the PHY link health. That's the whole vibe check right there. 🫶

🌈 SEE ALSO 🌈

Kernel file: ./drivers/net/ethernet/intel/igb/e1000_phy.c — that's where the source lives, bestie. 🧚

And here's the whole SEE ALSO squad, every single one, no skipping:

This page's source/version is ./drivers/net/ethernet/intel/igb, and it's dated October 2026 — cute lil timestamp, periodt. 🫶✨

📦 where this page comes from