e1000e_reset(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

πŸ’… e1000e_reset β€” the glow-up page (kernel API manual, section 9)

okay so this is e1000e_reset(9), one of the kernel API manual girlies, and she's literally the reset button's Roman Empire. let's get into it πŸŽ€


✨ NAME ✨

e1000e_reset β€” bring the hardware into a known good state

like, we're taking the NIC from "idk what's going on with her" to "she's fine, she's thriving" πŸ’–


✨ SYNOPSIS ✨

void e1000e_reset (struct e1000_adapter *adapter );

she takes one (1) pointer and returns absolutely nothing (void, iconic, no notes) 🫢


✨ ARGUMENTS ✨

  • adapter β€” the board private structure. yes bestie, that's the whole vibe: it's the per-board private struct and you hand her a pointer to it πŸ¦‹

✨ DESCRIPTION ✨

so basically 🌸 this function boots the hardware and turns on a bunch of settings that need a full configuration cycle of the hardware to happen. and the key thing β€” the thing you need to internalize β€” is that those settings cannot be set or changed during runtime. nope. not a thing. they need the reset cycle or they simply do not happen, periodt πŸ’…

and then, after the reset? the device is not done. she still needs to be properly configured for Rx, Tx, etc. so don't you dare think e1000e_reset is the finish line, it's the beginning of the getting-ready-with-me montage ✨

ngl this is the kind of function where you respect the ordering, okay? boot β†’ reset β†’ configure Rx/Tx. no skipping steps, no shortcuts, we do it right πŸ”₯

🌈 SEE ALSO 🌈

the kernel file that started it all: ./drivers/net/ethernet/intel/e1000e/netdev.c πŸ‘‘

and now the whole group chat, in order, every single one of them (yes I'm listing all of them, don't @ me):


and that's the page babes πŸ’œ source is ./drivers/net/ethernet/intel/e... and this cuteness is dated October 2026, footer style is e1000e_reset(9) obviously. go reset something responsibly, mwah πŸ’‹πŸŒŸ

πŸ“¦ where this page comes from