e1000e_phy_...d_duplex_m88(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

πŸ‘‘ e1000e_phy_force_speed_duplex_m88 β€” the manual page, but make it make sense πŸ’…

okay so bestie, this is a page from the Kernel API Manual, and the star of the show is e1000e_phy_force_speed_duplex_m88. Yes the title's a whole mouthful, we're gonna get through it together 🫢


✨ NAME ✨

e1000e_phy_force_speed_duplex_m88 β€” literally the function that forces speed/duplex for the m88 PHY. no cap, that's the entire job description πŸŽ€


πŸ¦‹ SYNOPSIS πŸ¦‹

s32 e1000e_phy_force_speed_duplex_m88 (struct e1000_hw *hw );

it's giving "one argument, one return value, zero drama" ✨


🌸 ARGUMENTS 🌸

  • hw β€” pointer to the HW structure. like, the whole hardware vibe check lives in here πŸ’œ

πŸ”₯ DESCRIPTION πŸ”₯

okay so here's the tea β˜• β€” this function calls the PHY setup function to force speed and duplex. periodt.

it also clears the auto-crossover to force MDI manually (yes, manually, we're taking the wheel πŸ™ˆ), and then resets the PHY to commit the changes. gotta lock in your edits, yk? πŸ”₯

now, if time expires while waiting for link up, we reset the DSP. no link? no problem, we just do a little reset moment 🧚

after that reset, TX_CLK and CRS on Tx must be set β€” not optional, bestie, that's a must πŸ’…

and finally: return successful upon successful completion, else return corresponding error code. so basically, slay if it works, and if it doesn't, you get the error code that matches. predictable. iconic. 🌈


πŸŽ€ SEE ALSO πŸŽ€

the main character file itself:

  • Kernel file ./drivers/net/ethernet/intel/e1000e/phy.c

and now, the group chat β€” the full cast of related man pages, every single one, in order, no one left out 🫢:

like, that's a lot of friends and honestly? we love a well-connected function πŸ’–


and that's the whole page, bestie πŸ¦‹ this one came from the source file ./drivers/net/ethernet/intel/e... and it's dated October 2026 β€” so future-core of it, honestly. mwah, go force some speed and duplex responsibly πŸ’…βœ¨πŸ“

πŸ“¦ where this page comes from