t4_ctrl_eq_free(9)

📦 version 7.3.1, in nixpkgs unstable

💅 t4_ctrl_eq_free — the Kernel API Manual girlies know ✨

okay so before we even get into it: this page lives in the Kernel API Manual (section 9, kernel-space bestie 💜), and the star of the show is t4_ctrl_eq_free. she's short, she's sweet, she frees a control egress queue, and honestly? iconic.

🌸 NAME 🌸

t4_ctrl_eq_free — free a control egress queue 🫶

✨ SYNOPSIS ✨

int t4_ctrl_eq_free (struct adapter *adap , unsigned int mbox , unsigned
int pf , unsigned int vf , unsigned int eqid );

like yes girl, five arguments, returns an int, no notes 💅

🎀 ARGUMENTS 🎀

  • adap — the adapter 🦋 (the whole card, the main character)
  • mbox — the mailbox to use for the FW command ✨ (this is the little chat channel where you and the firmware talk)
  • pf — the PF that owns the queue 👑
  • vf — the VF that owns the queue 🌈
  • eqid — the egress queue id ⭐ (which queue, specifically)

🧚 DESCRIPTION 🧚

so what does she actually do? Frees a control egress queue. that's it, that's the whole description, and honestly? she said what she said. no cap, no extra lore, no hidden side quests. queen of knowing exactly what she is 💖

lowkey a serve that the manpage doesn't overexplain. it frees the queue. periodt.

🔥 SEE ALSO 🔥

ngl this section is long — it's giving "my bestie knows everyone at the party" energy. every single one of these is real, in this exact order, and yes we are listing all of them because we don't skip people 🙈💀

the kernel file it lives in, first:

  • Kernel file ./drivers/net/ethernet/chelsio/cxgb4/t4_hw.c

and the whole friend group 👑:

🫶 that's literally everyone. iykyk.

and that's the page bestie!! source is ./drivers/net/ethernet/chelsio... and it's dated October 2026 — so she's fresh, she's current, she's t4_ctrl_eq_free(9) and she ate 💅💖✨

📦 where this page comes from