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mwifiex: add cfg80211 get_channel handler

Browse source 
This patch add cfg80211 get_channel handler for mwifiex.
The handler will be used to report current channel to upper
layer utility.

Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Xinming Hu 2015-06-03 16:59:37 +05:30 committed by Kalle Valo
parent 511c8989fe
commit 7ee38bf4ed
4 changed files with 66 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
drivers/net/wireless/mwifiex/11h.c
View file

@ -305,7 +305,7 @@ void mwifiex_dfs_chan_sw_work_queue(struct work_struct *work)
return;
}
mwifiex_uap_set_channel(bss_cfg, priv->dfs_chandef);
mwifiex_uap_set_channel(priv, bss_cfg, priv->dfs_chandef);
if (mwifiex_config_start_uap(priv, bss_cfg)) {
mwifiex_dbg(priv->adapter, ERROR,

58
drivers/net/wireless/mwifiex/cfg80211.c
View file

@ -67,6 +67,22 @@ u8 mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type)
}
}
/* This function maps IEEE HT secondary channel type to NL80211 channel type
*/
u8 mwifiex_sec_chan_offset_to_chan_type(u8 second_chan_offset)
{
switch (second_chan_offset) {
case IEEE80211_HT_PARAM_CHA_SEC_NONE:
return NL80211_CHAN_HT20;
case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
return NL80211_CHAN_HT40PLUS;
case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
return NL80211_CHAN_HT40MINUS;
default:
return NL80211_CHAN_HT20;
}
}
/*
* This function checks whether WEP is set.
*/
@ -1785,7 +1801,7 @@ static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy,
return -EINVAL;
}
mwifiex_uap_set_channel(bss_cfg, params->chandef);
mwifiex_uap_set_channel(priv, bss_cfg, params->chandef);
mwifiex_set_uap_rates(bss_cfg, params);
if (mwifiex_set_secure_params(priv, bss_cfg, params)) {
@ -3373,6 +3389,45 @@ mwifiex_cfg80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
return 0;
}
static int mwifiex_cfg80211_get_channel(struct wiphy *wiphy,
struct wireless_dev *wdev,
struct cfg80211_chan_def *chandef)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
struct mwifiex_bssdescriptor *curr_bss;
struct ieee80211_channel *chan;
u8 second_chan_offset;
enum nl80211_channel_type chan_type;
enum ieee80211_band band;
int freq;
int ret = -ENODATA;
if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
cfg80211_chandef_valid(&priv->bss_chandef)) {
*chandef = priv->bss_chandef;
ret = 0;
} else if (priv->media_connected) {
curr_bss = &priv->curr_bss_params.bss_descriptor;
band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
freq = ieee80211_channel_to_frequency(curr_bss->channel, band);
chan = ieee80211_get_channel(wiphy, freq);
if (curr_bss->bcn_ht_oper) {
second_chan_offset = curr_bss->bcn_ht_oper->ht_param &
IEEE80211_HT_PARAM_CHA_SEC_OFFSET;
chan_type = mwifiex_sec_chan_offset_to_chan_type
(second_chan_offset);
cfg80211_chandef_create(chandef, chan, chan_type);
} else {
cfg80211_chandef_create(chandef, chan,
NL80211_CHAN_NO_HT);
}
ret = 0;
}
return ret;
}
static int
mwifiex_cfg80211_start_radar_detection(struct wiphy *wiphy,
struct net_device *dev,
@ -3478,6 +3533,7 @@ static struct cfg80211_ops mwifiex_cfg80211_ops = {
.tdls_oper = mwifiex_cfg80211_tdls_oper,
.add_station = mwifiex_cfg80211_add_station,
.change_station = mwifiex_cfg80211_change_station,
.get_channel = mwifiex_cfg80211_get_channel,
.start_radar_detection = mwifiex_cfg80211_start_radar_detection,
.channel_switch = mwifiex_cfg80211_channel_switch,
};

5
drivers/net/wireless/mwifiex/main.h
View file

@ -642,6 +642,7 @@ struct mwifiex_private {
u8 del_list_idx;
bool hs2_enabled;
struct mwifiex_uap_bss_param bss_cfg;
struct cfg80211_chan_def bss_chandef;
struct station_parameters *sta_params;
struct sk_buff_head tdls_txq;
u8 check_tdls_tx;
@ -1382,6 +1383,7 @@ int mwifiex_check_network_compatibility(struct mwifiex_private *priv,
struct mwifiex_bssdescriptor *bss_desc);
u8 mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type);
u8 mwifiex_sec_chan_offset_to_chan_type(u8 second_chan_offset);
struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
const char *name,
@ -1399,7 +1401,8 @@ int mwifiex_set_mgmt_ies(struct mwifiex_private *priv,
struct cfg80211_beacon_data *data);
int mwifiex_del_mgmt_ies(struct mwifiex_private *priv);
u8 *mwifiex_11d_code_2_region(u8 code);
void mwifiex_uap_set_channel(struct mwifiex_uap_bss_param *bss_cfg,
void mwifiex_uap_set_channel(struct mwifiex_private *priv,
struct mwifiex_uap_bss_param *bss_cfg,
struct cfg80211_chan_def chandef);
int mwifiex_config_start_uap(struct mwifiex_private *priv,
struct mwifiex_uap_bss_param *bss_cfg);

5
drivers/net/wireless/mwifiex/uap_cmd.c
View file

@ -776,11 +776,14 @@ int mwifiex_uap_prepare_cmd(struct mwifiex_private *priv, u16 cmd_no,
return 0;
}
void mwifiex_uap_set_channel(struct mwifiex_uap_bss_param *bss_cfg,
void mwifiex_uap_set_channel(struct mwifiex_private *priv,
struct mwifiex_uap_bss_param *bss_cfg,
struct cfg80211_chan_def chandef)
{
u8 config_bands = 0;
priv->bss_chandef = chandef;
bss_cfg->channel = ieee80211_frequency_to_channel(
chandef.chan->center_freq);