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rndis_wlan: add support for set_cqm_rssi_config 

Device poller already reads current RSSI, so add support for
set_cqm_rssi_config there.

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Jussi Kivilinna 2010-12-21 22:44:42 +02:00 committed by John W. Linville
parent a3463a1fdc
commit 49b35bd3f5
1 changed files with 50 additions and 1 deletions
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51
drivers/net/wireless/rndis_wlan.c
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@ -478,6 +478,9 @@ struct rndis_wlan_private {
struct mutex command_lock;
unsigned long work_pending;
int last_qual;
s32 cqm_rssi_thold;
u32 cqm_rssi_hyst;
int last_cqm_event_rssi;
struct ieee80211_supported_band band;
struct ieee80211_channel channels[ARRAY_SIZE(rndis_channels)];
@ -569,6 +572,10 @@ static int rndis_del_pmksa(struct wiphy *wiphy, struct net_device *netdev,
static int rndis_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev);
static int rndis_set_cqm_rssi_config(struct wiphy *wiphy,
struct net_device *dev,
s32 rssi_thold, u32 rssi_hyst);
static const struct cfg80211_ops rndis_config_ops = {
.change_virtual_intf = rndis_change_virtual_intf,
.scan = rndis_scan,
@ -588,6 +595,7 @@ static const struct cfg80211_ops rndis_config_ops = {
.set_pmksa = rndis_set_pmksa,
.del_pmksa = rndis_del_pmksa,
.flush_pmksa = rndis_flush_pmksa,
.set_cqm_rssi_config = rndis_set_cqm_rssi_config,
};
static void *rndis_wiphy_privid = &rndis_wiphy_privid;
@ -2566,6 +2574,19 @@ static int rndis_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev)
return rndis_set_oid(usbdev, OID_802_11_PMKID, &pmkid, sizeof(pmkid));
}
static int rndis_set_cqm_rssi_config(struct wiphy *wiphy,
struct net_device *dev,
s32 rssi_thold, u32 rssi_hyst)
{
struct rndis_wlan_private *priv = wiphy_priv(wiphy);
priv->cqm_rssi_thold = rssi_thold;
priv->cqm_rssi_hyst = rssi_hyst;
priv->last_cqm_event_rssi = 0;
return 0;
}
static void rndis_wlan_craft_connected_bss(struct usbnet *usbdev, u8 *bssid,
struct ndis_80211_assoc_info *info)
{
@ -3095,6 +3116,32 @@ static int rndis_wlan_get_caps(struct usbnet *usbdev, struct wiphy *wiphy)
return retval;
}
static void rndis_do_cqm(struct usbnet *usbdev, s32 rssi)
{
struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
enum nl80211_cqm_rssi_threshold_event event;
int thold, hyst, last_event;
if (priv->cqm_rssi_thold >= 0 || rssi >= 0)
return;
if (priv->infra_mode != NDIS_80211_INFRA_INFRA)
return;
last_event = priv->last_cqm_event_rssi;
thold = priv->cqm_rssi_thold;
hyst = priv->cqm_rssi_hyst;
if (rssi < thold && (last_event == 0 || rssi < last_event - hyst))
event = NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW;
else if (rssi > thold && (last_event == 0 || rssi > last_event + hyst))
event = NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH;
else
return;
priv->last_cqm_event_rssi = rssi;
cfg80211_cqm_rssi_notify(usbdev->net, event, GFP_KERNEL);
}
#define DEVICE_POLLER_JIFFIES (HZ)
static void rndis_device_poller(struct work_struct *work)
{
@ -3129,8 +3176,10 @@ static void rndis_device_poller(struct work_struct *work)
len = sizeof(rssi);
ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len);
if (ret == 0)
if (ret == 0) {
priv->last_qual = level_to_qual(le32_to_cpu(rssi));
rndis_do_cqm(usbdev, le32_to_cpu(rssi));
}
netdev_dbg(usbdev->net, "dev-poller: OID_802_11_RSSI -> %d, rssi:%d, qual: %d\n",
ret, le32_to_cpu(rssi), level_to_qual(le32_to_cpu(rssi)));