wx_check_for_ack_vf(9)

📦 version 7.3.1, in nixpkgs unstable

✨ wx_check_for_ack_vf(9) — Kernel API Manual ✨

okay so bestie, welcome to the wx_check_for_ack_vf page 💅 this is a little function from the Linux kernel API manual, and no cap, it's a whole vibe check for the mailbox. let's get into it 🦋

🌸 NAME 🌸

wx_check_for_ack_vf — checks to see if the PF has ACK'd 🎀

like, that's literally the whole job. it peeks over at the PF and is like "hey bestie, did you ack this or are we just standing here" 😭

⭐ SYNOPSIS ⭐

int wx_check_for_ack_vf (struct wx *wx );

that's it, that's the whole signature, and honestly? iconic. returns an int, takes one pointer, no drama ✨

🎀 ARGUMENTS 🎀

  • wx — pointer to the HW structure. like, the hardware struct, the main character of this whole story 👑

that's the only argument. she's lowkey low-maintenance, we love that for her 🫶

💖 RETURN 💖

returns 0 if the PF has set the status bit 👑 or else -EBUSY 💀

so basically: 0 = slay, we're good, the ack is there. -EBUSY = not yet bestie, she's busy, try again later 🙈

ngl, if you were hoping for a fancier answer than "0 or -EBUSY", that's fr fr the whole range. no extra codes hiding in there, i checked 🧚

🦋 SEE ALSO 🦋

these are the sister functions, the group chat if you will 🌈

  • Kernel file ./drivers/net/ethernet/wangxun/libwx/wx_mbx.c — that's where she lives 🏠

and then the whole friend group, in order:

like, the entire PF-and-VF mailbox cinematic universe, iykyk 💜

okay and for the cute sign-off: this beauty comes from ./drivers/net/ethernet/wangxun... (yes, the path in the footer is literally truncated like that, the manpage said so, i don't make the rules) and it's dated October 2026. four months of spooky season, we love that for us 🎃✨ bye bestie, go check those acks 🫶💖

📦 where this page comes from