iwl_txq_dec_wrap(9)

💅 iwl_txq_dec_wrap(9) — like, the Kernel API Manual page you didn't know you needed

okay so bestie, welcome to the <pink>Kernel API Manual</pink> entry for iwl_txq_dec_wrap, and yes this is the whole iwl_txq_dec_wrap(9) page, we're doing it 💖

---

✨ NAME ✨

iwl_txq_dec_wrap — decrements the queue index, and when it runs out it wraps right back to the end 🎀 literally the "no u" of index math

---

🦋 SYNOPSIS 🦋

int iwl_txq_dec_wrap (struct iwl_trans *trans , int index );

she takes two things and gives you back an int, that's the whole vibe ✨

---

🌸 ARGUMENTS 🌸

• trans — the transport (for configuration data) 👑 like, it's the one carrying the config tea, she's the main character here
• index — current index 📍 the number you're standing on right now, bestie

---

🔥 RETURN 🔥

the queue index decremented, subject to wrapping 🌀 so you get your index minus one, except when the wrap kicks in and she goes all the way around — no cap, that's it, that's the return value

---

⭐ SEE ALSO ⭐

• The kernel file ./drivers/net/wireless/intel/iwlwifi/pcie/gen1_2/internal.h 📁
• struct iwl_rx_mem_buffer(9)
• struct iwl_rx_transfer_desc(9)
• struct iwl_rx_completion_desc(9)
• struct iwl_rx_completion_desc_bz(9)
• struct iwl_rxq(9)
• struct iwl_rb_allocator(9)
• iwl_get_closed_rb_stts(9)
• enum iwl_fw_mon_dbgfs_state(9)
• enum iwl_shared_irq_flags(9)
• enum iwl_image_response_code(9)
• struct cont_rec(9)
• enum iwl_pcie_imr_status(9)
• struct iwl_txq(9)
• struct iwl_pcie_txqs(9)
• struct iwl_trans_pcie(9)
• iwl_txq_inc_wrap(9) 💫 (her sister btw, the one that goes the other way, obsessed with them both)

---

💀 friendly reminder that this page is literally just about decrementing an index with wrapping, so don't go reading extra behaviour into it, bestie — what you see is what you get 🙈

---

okay that's the page!! 🫶 this little beauty lives in ./drivers/net/wireless/intel/i... and she's dated October 2026 — go off, gen1_2 internal header, you ate 💅✨🎀