i40e_aq_get_...register_ext(9)

📦 version 7.3.1, in nixpkgs unstable

💅 i40e_aq_get_...register_ext 💅

okay bestie, welcome to the Kernel API Manual — yes, that's the manual name, we're fancy here ✨ and today's main character is i40e_aq_get_phy_register_ext. Buckle up 🎀

🌸 NAME 🌸

i40e_aq_get_phy_register_ext —

that's it. that's the whole name section. the manpage literally gave us a dash and dipped 😭 she said "my name is enough, iykyk" 💀 (don't worry, the DESCRIPTION has the actual tea 🍓)

✨ SYNOPSIS ✨

int i40e_aq_get_phy_register_ext (struct i40e_hw *hw , u8 phy_select ,
u8 dev_addr , bool page_change , bool set_mdio , u8 mdio_num , u32
reg_addr , u32 *reg_val , struct i40e_asq_cmd_details *cmd_details );

look at that signature. nine whole parameters. she's highkey doing the most 👑 and every single one is copied exactly, no cap 🫶

🦋 ARGUMENTS 🦋

  • hw — pointer to the hw struct 🖥️ this is your hardware bestie, you gotta hand her over
  • phy_select — pick which phy gets accessed, bestie. choose wisely 💅
  • dev_addr — the PHY device address 📇
  • page_change — flag that says whether the phy page should be updated 🔄
  • set_mdio — use the MDIO I/F number that mdio_num specifies 🎯
  • mdio_num — the MDIO I/F number, literally just the number 🔢
  • reg_addr — the PHY register address 📍
  • reg_val — the read register value, this is where the result lands 🏁
  • cmd_details — pointer to a command details structure, or NULL if you're feeling lowkey 🙈

💖 DESCRIPTION 💖

Read the external PHY register. that's the vibe. that's what she does. no extra lore, no side quests, just read the external PHY register and slay ✨🔥

🎀 NOTE 🎀

okay so in common cases the MDIO I/F number should not be changed — and that's exactly why you may use the simple wrapper i40e_aq_get_phy_register instead 🫶 like, if you don't need the extra chaos, take the short one. she's giving convenience era 💅

🌈 SEE ALSO 🌈

the kernel file, first of all:

  • ./drivers/net/ethernet/intel/i40e/i40e_common.c

and now the friend group 😭 because this list is LONG and she brought EVERYONE:

that's the whole group chat, every single member accounted for, nobody left on read 🫶💀

okay that's the page!! huge thanks to the source/version ./drivers/net/ethernet/intel/i40e and mark your calendar for October 2026 📅 because that's the date on this one — mwah, love u, bye 💜🧚‍♀️✨

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