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ath9k: use chandef instead of channel_type 

To enable support for 5/10 MHz, some internal functions must be
converted from using the (old) channel_type to chandef. This is a good
chance to change all remaining occurences.

Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Simon Wunderlich 2013-08-16 10:46:04 +02:00 committed by John W. Linville
parent 92367fe7f2
commit 0671894f97
6 changed files with 51 additions and 40 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

67
drivers/net/wireless/ath/ath9k/common.c
View File

@ -49,37 +49,40 @@ int ath9k_cmn_get_hw_crypto_keytype(struct sk_buff *skb)
}
EXPORT_SYMBOL(ath9k_cmn_get_hw_crypto_keytype);
static u32 ath9k_get_extchanmode(struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type)
static u32 ath9k_get_extchanmode(struct cfg80211_chan_def *chandef)
{
u32 chanmode = 0;
switch (chan->band) {
switch (chandef->chan->band) {
case IEEE80211_BAND_2GHZ:
switch (channel_type) {
case NL80211_CHAN_NO_HT:
case NL80211_CHAN_HT20:
switch (chandef->width) {
case NL80211_CHAN_WIDTH_20_NOHT:
case NL80211_CHAN_WIDTH_20:
chanmode = CHANNEL_G_HT20;
break;
case NL80211_CHAN_HT40PLUS:
chanmode = CHANNEL_G_HT40PLUS;
case NL80211_CHAN_WIDTH_40:
if (chandef->center_freq1 > chandef->chan->center_freq)
chanmode = CHANNEL_G_HT40PLUS;
else
chanmode = CHANNEL_G_HT40MINUS;
break;
case NL80211_CHAN_HT40MINUS:
chanmode = CHANNEL_G_HT40MINUS;
default:
break;
}
break;
case IEEE80211_BAND_5GHZ:
switch (channel_type) {
case NL80211_CHAN_NO_HT:
case NL80211_CHAN_HT20:
switch (chandef->width) {
case NL80211_CHAN_WIDTH_20_NOHT:
case NL80211_CHAN_WIDTH_20:
chanmode = CHANNEL_A_HT20;
break;
case NL80211_CHAN_HT40PLUS:
chanmode = CHANNEL_A_HT40PLUS;
case NL80211_CHAN_WIDTH_40:
if (chandef->center_freq1 > chandef->chan->center_freq)
chanmode = CHANNEL_A_HT40PLUS;
else
chanmode = CHANNEL_A_HT40MINUS;
break;
case NL80211_CHAN_HT40MINUS:
chanmode = CHANNEL_A_HT40MINUS;
default:
break;
}
break;
@ -94,13 +97,12 @@ static u32 ath9k_get_extchanmode(struct ieee80211_channel *chan,
* Update internal channel flags.
*/
void ath9k_cmn_update_ichannel(struct ath9k_channel *ichan,
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type)
struct cfg80211_chan_def *chandef)
{
ichan->channel = chan->center_freq;
ichan->chan = chan;
ichan->channel = chandef->chan->center_freq;
ichan->chan = chandef->chan;
if (chan->band == IEEE80211_BAND_2GHZ) {
if (chandef->chan->band == IEEE80211_BAND_2GHZ) {
ichan->chanmode = CHANNEL_G;
ichan->channelFlags = CHANNEL_2GHZ | CHANNEL_OFDM;
} else {
@ -108,8 +110,22 @@ void ath9k_cmn_update_ichannel(struct ath9k_channel *ichan,
ichan->channelFlags = CHANNEL_5GHZ | CHANNEL_OFDM;
}
if (channel_type != NL80211_CHAN_NO_HT)
ichan->chanmode = ath9k_get_extchanmode(chan, channel_type);
switch (chandef->width) {
case NL80211_CHAN_WIDTH_5:
ichan->channelFlags |= CHANNEL_QUARTER;
break;
case NL80211_CHAN_WIDTH_10:
ichan->channelFlags |= CHANNEL_HALF;
break;
case NL80211_CHAN_WIDTH_20_NOHT:
break;
case NL80211_CHAN_WIDTH_20:
case NL80211_CHAN_WIDTH_40:
ichan->chanmode = ath9k_get_extchanmode(chandef);
break;
default:
WARN_ON(1);
}
}
EXPORT_SYMBOL(ath9k_cmn_update_ichannel);
@ -125,8 +141,7 @@ 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(channel, curchan,
cfg80211_get_chandef_type(&hw->conf.chandef));
ath9k_cmn_update_ichannel(channel, &hw->conf.chandef);
return channel;
}

3
drivers/net/wireless/ath/ath9k/common.h
View File

@ -44,8 +44,7 @@
int ath9k_cmn_get_hw_crypto_keytype(struct sk_buff *skb);
void ath9k_cmn_update_ichannel(struct ath9k_channel *ichan,
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type);
struct cfg80211_chan_def *chandef);
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);

5
drivers/net/wireless/ath/ath9k/htc_drv_main.c
View File

@ -1203,16 +1203,13 @@ static int ath9k_htc_config(struct ieee80211_hw *hw, u32 changed)
if ((changed & IEEE80211_CONF_CHANGE_CHANNEL) || chip_reset) {
struct ieee80211_channel *curchan = hw->conf.chandef.chan;
enum nl80211_channel_type channel_type =
cfg80211_get_chandef_type(&hw->conf.chandef);
int pos = curchan->hw_value;
ath_dbg(common, CONFIG, "Set channel: %d MHz\n",
curchan->center_freq);
ath9k_cmn_update_ichannel(&priv->ah->channels[pos],
hw->conf.chandef.chan,
channel_type);
&hw->conf.chandef);
if (ath9k_htc_set_channel(priv, hw, &priv->ah->channels[pos]) < 0) {
ath_err(common, "Unable to set channel\n");

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

@ -726,13 +726,15 @@ 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 cfg80211_chan_def chandef;
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);
cfg80211_chandef_create(&chandef, chan, NL80211_CHAN_HT20);
ath9k_cmn_update_ichannel(ah->curchan, &chandef);
ath9k_hw_set_txpowerlimit(ah, MAX_RATE_POWER, true);
}
}

8
drivers/net/wireless/ath/ath9k/main.c
View File

@ -1201,8 +1201,6 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
if ((changed & IEEE80211_CONF_CHANGE_CHANNEL) || reset_channel) {
struct ieee80211_channel *curchan = hw->conf.chandef.chan;
enum nl80211_channel_type channel_type =
cfg80211_get_chandef_type(&conf->chandef);
int pos = curchan->hw_value;
int old_pos = -1;
unsigned long flags;
@ -1210,8 +1208,8 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
if (ah->curchan)
old_pos = ah->curchan - &ah->channels[0];
ath_dbg(common, CONFIG, "Set channel: %d MHz type: %d\n",
curchan->center_freq, channel_type);
ath_dbg(common, CONFIG, "Set channel: %d MHz width: %d\n",
curchan->center_freq, hw->conf.chandef.width);
/* update survey stats for the old channel before switching */
spin_lock_irqsave(&common->cc_lock, flags);
@ -1219,7 +1217,7 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
spin_unlock_irqrestore(&common->cc_lock, flags);
ath9k_cmn_update_ichannel(&sc->sc_ah->channels[pos],
curchan, channel_type);
&conf->chandef);
/*
* If the operating channel changes, change the survey in-use flags

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

@ -1326,8 +1326,8 @@ static void ath_rate_update(void *priv, struct ieee80211_supported_band *sband,
ath_rc_init(sc, priv_sta);
ath_dbg(ath9k_hw_common(sc->sc_ah), CONFIG,
"Operating HT Bandwidth changed to: %d\n",
cfg80211_get_chandef_type(&sc->hw->conf.chandef));
"Operating Bandwidth changed to: %d\n",
sc->hw->conf.chandef.width);
}
}