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mac80211: make CQM RSSI support per virtual interface 

Similar to the previous beacon filtering patch,
make CQM RSSI support depend on the flags that
the driver set for virtual interfaces.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Acked-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2012-01-19 09:29:58 +01:00 коммит произвёл John W. Linville
Родитель c1288b1278
Коммит ea086359a6
6 изменённых файлов: 16 добавлений и 24 удалений
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6
drivers/net/wireless/wl1251/main.c
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@ -514,7 +514,8 @@ static int wl1251_op_add_interface(struct ieee80211_hw *hw,
struct wl1251 *wl = hw->priv;
int ret = 0;
vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER |
IEEE80211_VIF_SUPPORTS_CQM_RSSI;
wl1251_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM",
vif->type, vif->addr);
@ -1340,8 +1341,7 @@ int wl1251_init_ieee80211(struct wl1251 *wl)
wl->hw->flags = IEEE80211_HW_SIGNAL_DBM |
IEEE80211_HW_SUPPORTS_PS |
IEEE80211_HW_SUPPORTS_UAPSD |
IEEE80211_HW_SUPPORTS_CQM_RSSI;
IEEE80211_HW_SUPPORTS_UAPSD;
wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
BIT(NL80211_IFTYPE_ADHOC);

4
drivers/net/wireless/wl12xx/main.c
Просмотреть файл

@ -2060,7 +2060,8 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw,
u8 role_type;
bool booted = false;
vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER |
IEEE80211_VIF_SUPPORTS_CQM_RSSI;
wl1271_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM",
ieee80211_vif_type_p2p(vif), vif->addr);
@ -4904,7 +4905,6 @@ static int wl1271_init_ieee80211(struct wl1271 *wl)
IEEE80211_HW_SUPPORTS_UAPSD |
IEEE80211_HW_HAS_RATE_CONTROL |
IEEE80211_HW_CONNECTION_MONITOR |
IEEE80211_HW_SUPPORTS_CQM_RSSI |
IEEE80211_HW_REPORTS_TX_ACK_STATUS |
IEEE80211_HW_SPECTRUM_MGMT |
IEEE80211_HW_AP_LINK_PS |

14
include/net/mac80211.h
Просмотреть файл

@ -856,9 +856,14 @@ struct ieee80211_channel_switch {
*
* @IEEE80211_VIF_BEACON_FILTER: the device performs beacon filtering
* on this virtual interface to avoid unnecessary CPU wakeups
* @IEEE80211_VIF_SUPPORTS_CQM_RSSI: the device can do connection quality
* monitoring on this virtual interface -- i.e. it can monitor
* connection quality related parameters, such as the RSSI level and
* provide notifications if configured trigger levels are reached.
*/
enum ieee80211_vif_flags {
IEEE80211_VIF_BEACON_FILTER = BIT(0),
IEEE80211_VIF_SUPPORTS_CQM_RSSI = BIT(1),
};
/**
@ -1119,11 +1124,6 @@ enum sta_notify_cmd {
* When this flag is set, signaling beacon-loss will cause an immediate
* change to disassociated state.
*
* @IEEE80211_HW_SUPPORTS_CQM_RSSI:
* Hardware can do connection quality monitoring - i.e. it can monitor
* connection quality related parameters, such as the RSSI level and
* provide notifications if configured trigger levels are reached.
*
* @IEEE80211_HW_NEED_DTIM_PERIOD:
* This device needs to know the DTIM period for the BSS before
* associating.
@ -1167,7 +1167,7 @@ enum ieee80211_hw_flags {
IEEE80211_HW_SUPPORTS_UAPSD = 1<<17,
IEEE80211_HW_REPORTS_TX_ACK_STATUS = 1<<18,
IEEE80211_HW_CONNECTION_MONITOR = 1<<19,
IEEE80211_HW_SUPPORTS_CQM_RSSI = 1<<20,
/* reuse bit 20 */
IEEE80211_HW_SUPPORTS_PER_STA_GTK = 1<<21,
IEEE80211_HW_AP_LINK_PS = 1<<22,
IEEE80211_HW_TX_AMPDU_SETUP_IN_HW = 1<<23,
@ -3408,7 +3408,7 @@ void ieee80211_enable_dyn_ps(struct ieee80211_vif *vif);
* @rssi_event: the RSSI trigger event type
* @gfp: context flags
*
* When the %IEEE80211_HW_SUPPORTS_CQM_RSSI is set, and a connection quality
* When the %IEEE80211_VIF_SUPPORTS_CQM_RSSI is set, and a connection quality
* monitoring is configured with an rssi threshold, the driver will inform
* whenever the rssi level reaches the threshold.
*/

10
net/mac80211/cfg.c
Просмотреть файл

@ -1873,7 +1873,6 @@ static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
s32 rssi_thold, u32 rssi_hyst)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
struct ieee80211_vif *vif = &sdata->vif;
struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
@ -1884,14 +1883,9 @@ static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
bss_conf->cqm_rssi_thold = rssi_thold;
bss_conf->cqm_rssi_hyst = rssi_hyst;
if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI)) {
if (sdata->vif.type != NL80211_IFTYPE_STATION)
return -EOPNOTSUPP;
return 0;
}
/* tell the driver upon association, unless already associated */
if (sdata->u.mgd.associated)
if (sdata->u.mgd.associated &&
sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
return 0;

2
net/mac80211/debugfs.c
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@ -257,8 +257,6 @@ static ssize_t hwflags_read(struct file *file, char __user *user_buf,
sf += snprintf(buf + sf, mxln - sf, "REPORTS_TX_ACK_STATUS\n");
if (local->hw.flags & IEEE80211_HW_CONNECTION_MONITOR)
sf += snprintf(buf + sf, mxln - sf, "CONNECTION_MONITOR\n");
if (local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI)
sf += snprintf(buf + sf, mxln - sf, "SUPPORTS_CQM_RSSI\n");
if (local->hw.flags & IEEE80211_HW_SUPPORTS_PER_STA_GTK)
sf += snprintf(buf + sf, mxln - sf, "SUPPORTS_PER_STA_GTK\n");
if (local->hw.flags & IEEE80211_HW_AP_LINK_PS)

4
net/mac80211/mlme.c
Просмотреть файл

@ -1043,7 +1043,7 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
bss_info_changed |= BSS_CHANGED_BSSID;
/* Tell the driver to monitor connection quality (if supported) */
if ((local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI) &&
if (sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI &&
bss_conf->cqm_rssi_thold)
bss_info_changed |= BSS_CHANGED_CQM;
@ -1882,7 +1882,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
if (bss_conf->cqm_rssi_thold &&
ifmgd->count_beacon_signal >= IEEE80211_SIGNAL_AVE_MIN_COUNT &&
!(local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI)) {
!(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)) {
int sig = ifmgd->ave_beacon_signal / 16;
int last_event = ifmgd->last_cqm_event_signal;
int thold = bss_conf->cqm_rssi_thold;