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Add a vocal warning to ath_hal_computetxtime() function is used for non-11n rates.

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It's used to calculate:

* the initial per-rate entries for short/long preamble ACK durations;
* packet durations for TDMA slot decisions;
* RTS/CTS protection durations;
* updating the duration field in the 802.11 frame header

This way invalid durations will generate a warning, prompting for it to be
fixed.
This commit is contained in:
Adrian Chadd 2011-02-21 18:58:58 +00:00
parent 3283511248
commit 4a02016d6e
1 changed files with 5 additions and 0 deletions
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5
sys/dev/ath/ath_hal/ah.c
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@ -318,6 +318,11 @@ ath_hal_computetxtime(struct ath_hal *ah,
uint32_t bitsPerSymbol, numBits, numSymbols, phyTime, txTime;
uint32_t kbps;
/* Warn if this function is called for 11n rates; it should not be! */
if (IS_HT_RATE(rates->info[rateix].rateCode))
ath_hal_printf(ah, "%s: MCS rate? (index %d; hwrate 0x%x)\n",
__func__, rateix, rates->info[rateix].rateCode);
kbps = rates->info[rateix].rateKbps;
/*
* index can be invalid duting dynamic Turbo transitions.