STRUCT ATH_DYNACK(9)

💖 struct ath_dynack — dynack processing info ✨

hii bestie so this is struct ath_dynack from section 9 of the kernel API manual (yep, that's ath_dynack(9) if you're citing it in a paper, which you're not, but still 💅). It's literally just a little struct that holds all the dynack processing info, and honestly? kinda iconic for how much it's carrying. 🫶

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🌸 NAME 🌸

struct ath_dynack — dynack processing info

No cap, that's the whole pitch. It's the dynack info bundle. 🎀

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✨ SYNOPSIS ✨

struct ath_dynack {
    bool enabled;
    int ackto;
    unsigned long lto;
    struct list_head nodes;
    spinlock_t qlock;
    struct ath_dyn_rxbuf ack_rbf;
    struct ath_dyn_txbuf st_rbf;
 };

okay so she's a struct with seven members and every single one of them matters, so let's go through them one by one, no skipping, we're not that kind of girl 💜

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🦋 Members 🦋

• enabled — the little on/off switch 💡 turn dyn ack processing on, basically. Yes it's a bool. Yes that's the whole member. She's simple and she knows it.
• ackto — the current ACK timeout ⏱️ this is the one that's live right now.
• lto — last ACK timeout computation 🧮 the previous calculation, kept around like a receipt. It's an unsigned long, which is more room than a timeout honestly needs, but slay.
• nodes — a linked list of ath_node 🔗 like, the whole roster.
• qlock — the ts queue spinlock 🔒 lock it before you touch the queue, bestie, fr fr.
• ack_rbf — the ACK ts ring buffer 🌀 ring buffer for ACK timestamps, a struct ath_dyn_rxbuf.
• st_rbf — the status ts ring buffer 🌀 ring buffer for status timestamps, a struct ath_dyn_txbuf.

lowkey side note: ack_rbf and st_rbf are different struct types even though they sound like twins 🙈 don't mix them up, that's not the vibe.

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🌈 SEE ALSO 🌈

• Kernel file ./drivers/net/wireless/ath/ath9k/dynack.h 📁
• struct ath_dyn_rxbuf(9)
• struct ath_dyn_txbuf(9)

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k that's the whole page, you're officially caught up bestie 💅✨

source/version: ./drivers/net/wireless/ath/ath9k · dated October 2026 · page: struct ath_dynack(9) — mwah, go read the header file next, ily 🫶💖