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mwifiex: add cfg80211 tdls channel switch handler 

This patch add cfg80211 tdls_chan_switch and tdls_cancel_chan_switch
handler.
With this handlers, mwifiex would support TDLS channel switch feature.

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 2015-06-22 19:06:15 +05:30 committed by Kalle Valo
parent 55a2c07706
commit b049759706
1 changed files with 72 additions and 0 deletions
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72
drivers/net/wireless/mwifiex/cfg80211.c
View File

@ -19,6 +19,7 @@
#include "cfg80211.h"
#include "main.h"
#include "11n.h"
static char *reg_alpha2;
module_param(reg_alpha2, charp, 0);
@ -3359,6 +3360,72 @@ mwifiex_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
return mwifiex_tdls_oper(priv, peer, action);
}
static int
mwifiex_cfg80211_tdls_chan_switch(struct wiphy *wiphy, struct net_device *dev,
const u8 *addr, u8 oper_class,
struct cfg80211_chan_def *chandef)
{
struct mwifiex_sta_node *sta_ptr;
unsigned long flags;
u16 chan;
u8 second_chan_offset, band;
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
spin_lock_irqsave(&priv->sta_list_spinlock, flags);
sta_ptr = mwifiex_get_sta_entry(priv, addr);
spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
if (!sta_ptr) {
wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n",
__func__, addr);
return -ENOENT;
}
if (!(sta_ptr->tdls_cap.extcap.ext_capab[3] &
WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)) {
wiphy_err(wiphy, "%pM do not support tdls cs\n", addr);
return -ENOENT;
}
if (sta_ptr->tdls_status == TDLS_CHAN_SWITCHING ||
sta_ptr->tdls_status == TDLS_IN_OFF_CHAN) {
wiphy_err(wiphy, "channel switch is running, abort request\n");
return -EALREADY;
}
chan = chandef->chan->hw_value;
second_chan_offset = mwifiex_get_sec_chan_offset(chan);
band = chandef->chan->band;
mwifiex_start_tdls_cs(priv, addr, chan, second_chan_offset, band);
return 0;
}
static void
mwifiex_cfg80211_tdls_cancel_chan_switch(struct wiphy *wiphy,
struct net_device *dev,
const u8 *addr)
{
struct mwifiex_sta_node *sta_ptr;
unsigned long flags;
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
spin_lock_irqsave(&priv->sta_list_spinlock, flags);
sta_ptr = mwifiex_get_sta_entry(priv, addr);
spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
if (!sta_ptr) {
wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n",
__func__, addr);
} else if (!(sta_ptr->tdls_status == TDLS_CHAN_SWITCHING ||
sta_ptr->tdls_status == TDLS_IN_BASE_CHAN ||
sta_ptr->tdls_status == TDLS_IN_OFF_CHAN)) {
wiphy_err(wiphy, "tdls chan switch not initialize by %pM\n",
addr);
} else
mwifiex_stop_tdls_cs(priv, addr);
}
static int
mwifiex_cfg80211_add_station(struct wiphy *wiphy, struct net_device *dev,
const u8 *mac, struct station_parameters *params)
@ -3575,6 +3642,8 @@ static struct cfg80211_ops mwifiex_cfg80211_ops = {
.set_coalesce = mwifiex_cfg80211_set_coalesce,
.tdls_mgmt = mwifiex_cfg80211_tdls_mgmt,
.tdls_oper = mwifiex_cfg80211_tdls_oper,
.tdls_channel_switch = mwifiex_cfg80211_tdls_chan_switch,
.tdls_cancel_channel_switch = mwifiex_cfg80211_tdls_cancel_chan_switch,
.add_station = mwifiex_cfg80211_add_station,
.change_station = mwifiex_cfg80211_change_station,
.get_channel = mwifiex_cfg80211_get_channel,
@ -3709,6 +3778,9 @@ int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
NL80211_FEATURE_INACTIVITY_TIMER |
NL80211_FEATURE_NEED_OBSS_SCAN;
if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info))
wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH;
if (adapter->fw_api_ver == MWIFIEX_FW_V15)
wiphy->features |= NL80211_FEATURE_SK_TX_STATUS;