ath5k_ani_calibration(9)

okay bestie, welcome to the ath5k_ani_calibration(9) page — it lives in the Kernel API Manual, and it's literally the main ANI calibration function. 💅✨

🌸 NAME 🌸

ath5k_ani_calibration — the main ANI calibration function. No cap, that's the whole name. 💖

✨ SYNOPSIS ✨

void ath5k_ani_calibration (struct ath5k_hw *ah );

💖 ARGUMENTS 💖

• ah — the struct ath5k_hw. That's the one and only argument, bestie. 🫶

🦋 DESCRIPTION 🦋

So here's the vibe: we count OFDM and CCK errors relative to the time where we did not send or receive — the "listen" time — and then raise or lower immunity accordingly. 🔥

This is called regularly (every second) from the calibration timer, but also when an error threshold has been reached. Yes, both. 👑

In order to synchronize access from different contexts, this should be called only indirectly by scheduling the ANI tasklet! So don't just call it directly, okay? That's the synchronization rule, periodt. ⚠️

🎀 SEE ALSO 🎀

• Kernel file ./drivers/net/wireless/ath/ath5k/ani.c — Basic ANI Operation(9)
• ath5k_ani_set_noise_immunity_level(9)
• ath5k_ani_set_spur_immunity_level(9)
• ath5k_ani_set_firstep_level(9)
• ath5k_ani_set_ofdm_weak_signal_detection(9)
• ath5k_ani_set_cck_weak_signal_detection(9)
• ath5k_ani_raise_immunity(9)
• ath5k_ani_lower_immunity(9)
• ath5k_hw_ani_get_listen_time(9)
• ath5k_ani_save_and_clear_phy_errors(9)
• ath5k_ani_period_restart(9)
• ath5k_ani_mib_intr(9)
• ath5k_ani_phy_error_report(9)
• ath5k_enable_phy_err_counters(9)
• ath5k_disable_phy_err_counters(9)
• ath5k_ani_init(9)
• ath5k_ani_print_counters(9)

and that's the page, bestie! 🫶 source/version: ./drivers/net/wireless/ath/ath5k · date: October 2026 · page: ath5k_ani_calibration(9) 💜