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Add ath_hal_get_curmode() - this is used by the Osprey HAL.

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Obtained from:	Qualcomm Atheros
This commit is contained in:
Adrian Chadd 2012-08-24 00:52:37 +00:00
parent 9b13447210
commit 85ca341a79
2 changed files with 50 additions and 0 deletions
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44
sys/dev/ath/ath_hal/ah.c
View File

@ -420,6 +420,50 @@ ath_hal_computetxtime(struct ath_hal *ah,
return txTime;
}
int
ath_hal_get_curmode(struct ath_hal *ah, const struct ieee80211_channel *chan)
{
/*
* Pick a default mode at bootup. A channel change is inevitable.
*/
if (!chan)
return HAL_MODE_11NG_HT20;
if (IEEE80211_IS_CHAN_TURBO(chan))
return HAL_MODE_TURBO;
/* check for NA_HT before plain A, since IS_CHAN_A includes NA_HT */
if (IEEE80211_IS_CHAN_5GHZ(chan) && IEEE80211_IS_CHAN_HT20(chan))
return HAL_MODE_11NA_HT20;
if (IEEE80211_IS_CHAN_5GHZ(chan) && IEEE80211_IS_CHAN_HT40U(chan))
return HAL_MODE_11NA_HT40PLUS;
if (IEEE80211_IS_CHAN_5GHZ(chan) && IEEE80211_IS_CHAN_HT40D(chan))
return HAL_MODE_11NA_HT40MINUS;
if (IEEE80211_IS_CHAN_A(chan))
return HAL_MODE_11A;
/* check for NG_HT before plain G, since IS_CHAN_G includes NG_HT */
if (IEEE80211_IS_CHAN_2GHZ(chan) && IEEE80211_IS_CHAN_HT20(chan))
return HAL_MODE_11NG_HT20;
if (IEEE80211_IS_CHAN_2GHZ(chan) && IEEE80211_IS_CHAN_HT40U(chan))
return HAL_MODE_11NG_HT40PLUS;
if (IEEE80211_IS_CHAN_2GHZ(chan) && IEEE80211_IS_CHAN_HT40D(chan))
return HAL_MODE_11NG_HT40MINUS;
/*
* XXX For FreeBSD, will this work correctly given the DYN
* chan mode (OFDM+CCK dynamic) ? We have pure-G versions DYN-BG..
*/
if (IEEE80211_IS_CHAN_G(chan))
return HAL_MODE_11G;
if (IEEE80211_IS_CHAN_B(chan))
return HAL_MODE_11B;
HALASSERT(0);
return HAL_MODE_11NG_HT20;
}
typedef enum {
WIRELESS_MODE_11a = 0,
WIRELESS_MODE_TURBO = 1,

6
sys/dev/ath/ath_hal/ah.h
View File

@ -1389,6 +1389,12 @@ extern void __ahdecl ath_hal_process_noisefloor(struct ath_hal *ah);
*/
extern u_int __ahdecl ath_hal_getwirelessmodes(struct ath_hal*);
/*
* Get the HAL wireless mode for the given channel.
*/
extern int ath_hal_get_curmode(struct ath_hal *ah,
const struct ieee80211_channel *chan);
/*
* Calculate the packet TX time for a legacy or 11n frame
*/