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mac80211: Pass new RSSI level in CQM RSSI notification 

Extend ieee80211_cqm_rssi_notify with a rssi_level parameter so that
this information can be passed to netlink clients in the next patch, if
available.  Most drivers will have this value at hand.  wl1251 receives
events from the firmware that only tell it whether latest measurement
is above or below threshold so we don't pass any value at this time
(parameter is 0).

Signed-off-by: Andrew Zaborowski <andrew.zaborowski@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Andrzej Zaborowski 2017-01-25 12:43:40 +01:00 committed by Johannes Berg
parent aad1e812ee
commit 769f07d8f0
8 changed files with 21 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/wireless/intel/iwlwifi/mvm/rx.c
View File

@ -571,6 +571,7 @@ static void iwl_mvm_stat_iterator(void *_data, u8 *mac,
ieee80211_cqm_rssi_notify(
vif,
NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW,
sig,
GFP_KERNEL);
} else if (sig > thold &&
(last_event == 0 || sig > last_event + hyst)) {
@ -580,6 +581,7 @@ static void iwl_mvm_stat_iterator(void *_data, u8 *mac,
ieee80211_cqm_rssi_notify(
vif,
NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH,
sig,
GFP_KERNEL);
}
}

2
drivers/net/wireless/rsi/rsi_91x_mac80211.c
View File

@ -877,7 +877,7 @@ static void rsi_perform_cqm(struct rsi_common *common,
common->cqm_info.last_cqm_event_rssi = rssi;
rsi_dbg(INFO_ZONE, "CQM: Notifying event: %d\n", event);
ieee80211_cqm_rssi_notify(adapter->vifs[0], event, GFP_KERNEL);
ieee80211_cqm_rssi_notify(adapter->vifs[0], event, rssi, GFP_KERNEL);
return;
}

2
drivers/net/wireless/st/cw1200/sta.c
View File

@ -1019,7 +1019,7 @@ void cw1200_event_handler(struct work_struct *work)
NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW :
NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH;
pr_debug("[CQM] RSSI event: %d.\n", rcpi_rssi);
ieee80211_cqm_rssi_notify(priv->vif, cqm_evt,
ieee80211_cqm_rssi_notify(priv->vif, cqm_evt, rcpi_rssi,
GFP_KERNEL);
break;
}

4
drivers/net/wireless/ti/wl1251/event.c
View File

@ -150,7 +150,7 @@ static int wl1251_event_process(struct wl1251 *wl, struct event_mailbox *mbox)
"ROAMING_TRIGGER_LOW_RSSI_EVENT");
ieee80211_cqm_rssi_notify(wl->vif,
NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW,
GFP_KERNEL);
0, GFP_KERNEL);
}
if (vector & ROAMING_TRIGGER_REGAINED_RSSI_EVENT_ID) {
@ -158,7 +158,7 @@ static int wl1251_event_process(struct wl1251 *wl, struct event_mailbox *mbox)
"ROAMING_TRIGGER_REGAINED_RSSI_EVENT");
ieee80211_cqm_rssi_notify(wl->vif,
NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH,
GFP_KERNEL);
0, GFP_KERNEL);
}
}

3
drivers/net/wireless/ti/wlcore/event.c
View File

@ -129,7 +129,8 @@ void wlcore_event_rssi_trigger(struct wl1271 *wl, s8 *metric_arr)
vif = wl12xx_wlvif_to_vif(wlvif);
if (event != wlvif->last_rssi_event)
ieee80211_cqm_rssi_notify(vif, event, GFP_KERNEL);
ieee80211_cqm_rssi_notify(vif, event, metric,
GFP_KERNEL);
wlvif->last_rssi_event = event;
}
}

2
include/net/mac80211.h
View File

@ -5278,6 +5278,7 @@ void ieee80211_resume_disconnect(struct ieee80211_vif *vif);
*
* @vif: &struct ieee80211_vif pointer from the add_interface callback.
* @rssi_event: the RSSI trigger event type
* @rssi_level: new RSSI level value or 0 if not available
* @gfp: context flags
*
* When the %IEEE80211_VIF_SUPPORTS_CQM_RSSI is set, and a connection quality
@ -5286,6 +5287,7 @@ void ieee80211_resume_disconnect(struct ieee80211_vif *vif);
*/
void ieee80211_cqm_rssi_notify(struct ieee80211_vif *vif,
enum nl80211_cqm_rssi_threshold_event rssi_event,
s32 rssi_level,
gfp_t gfp);
/**

7
net/mac80211/mlme.c
View File

@ -3419,14 +3419,14 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
ieee80211_cqm_rssi_notify(
&sdata->vif,
NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW,
GFP_KERNEL);
sig, GFP_KERNEL);
} else if (sig > thold &&
(last_event == 0 || sig > last_event + hyst)) {
ifmgd->last_cqm_event_signal = sig;
ieee80211_cqm_rssi_notify(
&sdata->vif,
NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH,
GFP_KERNEL);
sig, GFP_KERNEL);
}
}
@ -5041,11 +5041,12 @@ void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata)
void ieee80211_cqm_rssi_notify(struct ieee80211_vif *vif,
enum nl80211_cqm_rssi_threshold_event rssi_event,
s32 rssi_level,
gfp_t gfp)
{
struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
trace_api_cqm_rssi_notify(sdata, rssi_event);
trace_api_cqm_rssi_notify(sdata, rssi_event, rssi_level);
cfg80211_cqm_rssi_notify(sdata->dev, rssi_event, gfp);
}

11
net/mac80211/trace.h
View File

@ -1996,23 +1996,26 @@ TRACE_EVENT(api_connection_loss,
TRACE_EVENT(api_cqm_rssi_notify,
TP_PROTO(struct ieee80211_sub_if_data *sdata,
enum nl80211_cqm_rssi_threshold_event rssi_event),
enum nl80211_cqm_rssi_threshold_event rssi_event,
s32 rssi_level),
TP_ARGS(sdata, rssi_event),
TP_ARGS(sdata, rssi_event, rssi_level),
TP_STRUCT__entry(
VIF_ENTRY
__field(u32, rssi_event)
__field(s32, rssi_level)
),
TP_fast_assign(
VIF_ASSIGN;
__entry->rssi_event = rssi_event;
__entry->rssi_level = rssi_level;
),
TP_printk(
VIF_PR_FMT " event:%d",
VIF_PR_ARG, __entry->rssi_event
VIF_PR_FMT " event:%d rssi:%d",
VIF_PR_ARG, __entry->rssi_event, __entry->rssi_level
)
);