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mwifiex: remove redundant band config code 

struct mwifiex_ds_band_cfg and mwifiex_set_radio_band_cfg() routine
are unnecessary. It can be done with simple equivalant code.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Amitkumar Karwar 2011-12-20 23:47:20 -08:00 committed by John W. Linville
parent cf9bc5bae7
commit 43906cdb91
4 changed files with 24 additions and 95 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

49
drivers/net/wireless/mwifiex/cfg80211.c
View File

@ -331,37 +331,38 @@ mwifiex_set_rf_channel(struct mwifiex_private *priv,
enum nl80211_channel_type channel_type)
{
struct mwifiex_chan_freq_power cfp;
struct mwifiex_ds_band_cfg band_cfg;
u32 config_bands = 0;
struct wiphy *wiphy = priv->wdev->wiphy;
struct mwifiex_adapter *adapter = priv->adapter;
if (chan) {
memset(&band_cfg, 0, sizeof(band_cfg));
/* Set appropriate bands */
if (chan->band == IEEE80211_BAND_2GHZ)
config_bands = BAND_B | BAND_G | BAND_GN;
else
config_bands = BAND_AN | BAND_A;
if (priv->bss_mode == NL80211_IFTYPE_STATION
|| priv->bss_mode == NL80211_IFTYPE_UNSPECIFIED) {
band_cfg.config_bands = config_bands;
} else if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
band_cfg.config_bands = config_bands;
band_cfg.adhoc_start_band = config_bands;
}
band_cfg.sec_chan_offset =
if (!((config_bands | adapter->fw_bands) &
~adapter->fw_bands)) {
adapter->config_bands = config_bands;
if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
adapter->adhoc_start_band = config_bands;
if ((config_bands & BAND_GN) ||
(config_bands & BAND_AN))
adapter->adhoc_11n_enabled = true;
else
adapter->adhoc_11n_enabled = false;
}
}
adapter->chan_offset =
mwifiex_cfg80211_channel_type_to_mwifiex_channels
(channel_type);
if (mwifiex_set_radio_band_cfg(priv, &band_cfg))
return -EFAULT;
mwifiex_send_domain_info_cmd_fw(wiphy);
}
wiphy_dbg(wiphy, "info: setting band %d, channel offset %d and "
"mode %d\n", config_bands, band_cfg.sec_chan_offset,
"mode %d\n", config_bands, adapter->chan_offset,
priv->bss_mode);
if (!chan)
return 0;
@ -697,9 +698,9 @@ static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy,
const u8 *peer,
const struct cfg80211_bitrate_mask *mask)
{
struct mwifiex_ds_band_cfg band_cfg;
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
int index = 0, mode = 0, i;
struct mwifiex_adapter *adapter = priv->adapter;
/* Currently only 2.4GHz is supported */
for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) {
@ -721,16 +722,14 @@ static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy,
mode |= BAND_B;
}
memset(&band_cfg, 0, sizeof(band_cfg));
band_cfg.config_bands = mode;
if (priv->bss_mode == NL80211_IFTYPE_ADHOC)
band_cfg.adhoc_start_band = mode;
band_cfg.sec_chan_offset = NO_SEC_CHANNEL;
if (mwifiex_set_radio_band_cfg(priv, &band_cfg))
return -EFAULT;
if (!((mode | adapter->fw_bands) & ~adapter->fw_bands)) {
adapter->config_bands = mode;
if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
adapter->adhoc_start_band = mode;
adapter->adhoc_11n_enabled = false;
}
}
adapter->chan_offset = NO_SEC_CHANNEL;
wiphy_debug(wiphy, "info: device configured in 802.11%s%s mode\n",
(mode & BAND_B) ? "b" : "",

7
drivers/net/wireless/mwifiex/ioctl.h
View File

@ -66,13 +66,6 @@ enum {
#define SEC_CHANNEL_ABOVE 1
#define SEC_CHANNEL_BELOW 3
struct mwifiex_ds_band_cfg {
u32 config_bands;
u32 adhoc_start_band;
u32 adhoc_channel;
u32 sec_chan_offset;
};
enum {
ADHOC_IDLE,
ADHOC_STARTED,

2
drivers/net/wireless/mwifiex/main.h
View File

@ -954,8 +954,6 @@ int mwifiex_main_process(struct mwifiex_adapter *);
int mwifiex_bss_set_channel(struct mwifiex_private *,
struct mwifiex_chan_freq_power *cfp);
int mwifiex_set_radio_band_cfg(struct mwifiex_private *,
struct mwifiex_ds_band_cfg *);
int mwifiex_get_bss_info(struct mwifiex_private *,
struct mwifiex_bss_info *);
int mwifiex_fill_new_bss_desc(struct mwifiex_private *priv,

61
drivers/net/wireless/mwifiex/sta_ioctl.c
View File

@ -471,67 +471,6 @@ int mwifiex_get_bss_info(struct mwifiex_private *priv,
return 0;
}
/*
* The function sets band configurations.
*
* it performs extra checks to make sure the Ad-Hoc
* band and channel are compatible. Otherwise it returns an error.
*
*/
int mwifiex_set_radio_band_cfg(struct mwifiex_private *priv,
struct mwifiex_ds_band_cfg *radio_cfg)
{
struct mwifiex_adapter *adapter = priv->adapter;
u8 infra_band, adhoc_band;
u32 adhoc_channel;
infra_band = (u8) radio_cfg->config_bands;
adhoc_band = (u8) radio_cfg->adhoc_start_band;
adhoc_channel = radio_cfg->adhoc_channel;
/* SET Infra band */
if ((infra_band | adapter->fw_bands) & ~adapter->fw_bands)
return -1;
adapter->config_bands = infra_band;
/* SET Ad-hoc Band */
if ((adhoc_band | adapter->fw_bands) & ~adapter->fw_bands)
return -1;
if (adhoc_band)
adapter->adhoc_start_band = adhoc_band;
adapter->chan_offset = (u8) radio_cfg->sec_chan_offset;
/*
* If no adhoc_channel is supplied verify if the existing adhoc
* channel compiles with new adhoc_band
*/
if (!adhoc_channel) {
if (!mwifiex_get_cfp_by_band_and_channel_from_cfg80211
(priv, adapter->adhoc_start_band,
priv->adhoc_channel)) {
/* Pass back the default channel */
radio_cfg->adhoc_channel = DEFAULT_AD_HOC_CHANNEL;
if ((adapter->adhoc_start_band & BAND_A)
|| (adapter->adhoc_start_band & BAND_AN))
radio_cfg->adhoc_channel =
DEFAULT_AD_HOC_CHANNEL_A;
}
} else { /* Retrurn error if adhoc_band and
adhoc_channel combination is invalid */
if (!mwifiex_get_cfp_by_band_and_channel_from_cfg80211
(priv, adapter->adhoc_start_band, (u16) adhoc_channel))
return -1;
priv->adhoc_channel = (u8) adhoc_channel;
}
if ((adhoc_band & BAND_GN) || (adhoc_band & BAND_AN))
adapter->adhoc_11n_enabled = true;
else
adapter->adhoc_11n_enabled = false;
return 0;
}
/*
* The function disables auto deep sleep mode.
*/