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ath9k: initialize per-channel tx power limits instead of hardcoding them 

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau 2010-10-20 02:09:46 +02:00 committed by John W. Linville
parent de40f316c0
commit babcbc295f
4 changed files with 45 additions and 12 deletions
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15
drivers/net/wireless/ath/ath9k/common.c
View File

@ -107,12 +107,10 @@ static u32 ath9k_get_extchanmode(struct ieee80211_channel *chan,
/*
* Update internal channel flags.
*/
void ath9k_cmn_update_ichannel(struct ieee80211_hw *hw,
struct ath9k_channel *ichan)
void ath9k_cmn_update_ichannel(struct ath9k_channel *ichan,
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type)
{
struct ieee80211_channel *chan = hw->conf.channel;
struct ieee80211_conf *conf = &hw->conf;
ichan->channel = chan->center_freq;
ichan->chan = chan;
@ -124,9 +122,8 @@ void ath9k_cmn_update_ichannel(struct ieee80211_hw *hw,
ichan->channelFlags = CHANNEL_5GHZ | CHANNEL_OFDM;
}
if (conf_is_ht(conf))
ichan->chanmode = ath9k_get_extchanmode(chan,
conf->channel_type);
if (channel_type != NL80211_CHAN_NO_HT)
ichan->chanmode = ath9k_get_extchanmode(chan, channel_type);
}
EXPORT_SYMBOL(ath9k_cmn_update_ichannel);
@ -142,7 +139,7 @@ struct ath9k_channel *ath9k_cmn_get_curchannel(struct ieee80211_hw *hw,
chan_idx = curchan->hw_value;
channel = &ah->channels[chan_idx];
ath9k_cmn_update_ichannel(hw, channel);
ath9k_cmn_update_ichannel(channel, curchan, hw->conf.channel_type);
return channel;
}

5
drivers/net/wireless/ath/ath9k/common.h
View File

@ -62,8 +62,9 @@ enum ath_stomp_type {
int ath9k_cmn_padpos(__le16 frame_control);
int ath9k_cmn_get_hw_crypto_keytype(struct sk_buff *skb);
void ath9k_cmn_update_ichannel(struct ieee80211_hw *hw,
struct ath9k_channel *ichan);
void ath9k_cmn_update_ichannel(struct ath9k_channel *ichan,
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type);
struct ath9k_channel *ath9k_cmn_get_curchannel(struct ieee80211_hw *hw,
struct ath_hw *ah);
int ath9k_cmn_count_streams(unsigned int chainmask, int max);

4
drivers/net/wireless/ath/ath9k/htc_drv_main.c
View File

@ -1400,7 +1400,9 @@ static int ath9k_htc_config(struct ieee80211_hw *hw, u32 changed)
ath_print(common, ATH_DBG_CONFIG, "Set channel: %d MHz\n",
curchan->center_freq);
ath9k_cmn_update_ichannel(hw, &priv->ah->channels[pos]);
ath9k_cmn_update_ichannel(&priv->ah->channels[pos],
hw->conf.channel,
hw->conf.channel_type);
if (ath9k_htc_set_channel(priv, hw, &priv->ah->channels[pos]) < 0) {
ath_print(common, ATH_DBG_FATAL,

33
drivers/net/wireless/ath/ath9k/init.c
View File

@ -642,6 +642,37 @@ err_hw:
return ret;
}
static void ath9k_init_band_txpower(struct ath_softc *sc, int band)
{
struct ieee80211_supported_band *sband;
struct ieee80211_channel *chan;
struct ath_hw *ah = sc->sc_ah;
struct ath_regulatory *reg = ath9k_hw_regulatory(ah);
int i;
sband = &sc->sbands[band];
for (i = 0; i < sband->n_channels; i++) {
chan = &sband->channels[i];
ah->curchan = &ah->channels[chan->hw_value];
ath9k_cmn_update_ichannel(ah->curchan, chan, NL80211_CHAN_HT20);
ath9k_hw_set_txpowerlimit(ah, MAX_RATE_POWER, true);
chan->max_power = reg->max_power_level / 2;
}
}
static void ath9k_init_txpower_limits(struct ath_softc *sc)
{
struct ath_hw *ah = sc->sc_ah;
struct ath9k_channel *curchan = ah->curchan;
if (ah->caps.hw_caps & ATH9K_HW_CAP_2GHZ)
ath9k_init_band_txpower(sc, IEEE80211_BAND_2GHZ);
if (ah->caps.hw_caps & ATH9K_HW_CAP_5GHZ)
ath9k_init_band_txpower(sc, IEEE80211_BAND_5GHZ);
ah->curchan = curchan;
}
void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
{
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
@ -736,6 +767,8 @@ int ath9k_init_device(u16 devid, struct ath_softc *sc, u16 subsysid,
if (error != 0)
goto error_rx;
ath9k_init_txpower_limits(sc);
/* Register with mac80211 */
error = ieee80211_register_hw(hw);
if (error)