summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/wl12xx/wl1271_event.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/wl12xx/wl1271_event.c')
-rw-r--r--drivers/net/wireless/wl12xx/wl1271_event.c69
1 files changed, 35 insertions, 34 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1271_event.c b/drivers/net/wireless/wl12xx/wl1271_event.c
index 7468ef10194b..cf37aa6eb137 100644
--- a/drivers/net/wireless/wl12xx/wl1271_event.c
+++ b/drivers/net/wireless/wl12xx/wl1271_event.c
@@ -23,7 +23,6 @@
#include "wl1271.h"
#include "wl1271_reg.h"
-#include "wl1271_spi.h"
#include "wl1271_io.h"
#include "wl1271_event.h"
#include "wl1271_ps.h"
@@ -32,34 +31,24 @@
static int wl1271_event_scan_complete(struct wl1271 *wl,
struct event_mailbox *mbox)
{
- int size = sizeof(struct wl12xx_probe_req_template);
wl1271_debug(DEBUG_EVENT, "status: 0x%x",
mbox->scheduled_scan_status);
if (test_bit(WL1271_FLAG_SCANNING, &wl->flags)) {
if (wl->scan.state == WL1271_SCAN_BAND_DUAL) {
- wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4,
- NULL, size);
/* 2.4 GHz band scanned, scan 5 GHz band, pretend
* to the wl1271_cmd_scan function that we are not
* scanning as it checks that.
*/
clear_bit(WL1271_FLAG_SCANNING, &wl->flags);
+ /* FIXME: ie missing! */
wl1271_cmd_scan(wl, wl->scan.ssid, wl->scan.ssid_len,
+ NULL, 0,
wl->scan.active,
wl->scan.high_prio,
WL1271_SCAN_BAND_5_GHZ,
wl->scan.probe_requests);
} else {
- if (wl->scan.state == WL1271_SCAN_BAND_2_4_GHZ)
- wl1271_cmd_template_set(wl,
- CMD_TEMPL_CFG_PROBE_REQ_2_4,
- NULL, size);
- else
- wl1271_cmd_template_set(wl,
- CMD_TEMPL_CFG_PROBE_REQ_5,
- NULL, size);
-
mutex_unlock(&wl->mutex);
ieee80211_scan_completed(wl->hw, false);
mutex_lock(&wl->mutex);
@@ -92,16 +81,9 @@ static int wl1271_event_ps_report(struct wl1271 *wl,
ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE,
true);
} else {
- wl1271_error("PSM entry failed, giving up.\n");
- /* FIXME: this may need to be reconsidered. for now it
- is not possible to indicate to the mac80211
- afterwards that PSM entry failed. To maximize
- functionality (receiving data and remaining
- associated) make sure that we are in sync with the
- AP in regard of PSM mode. */
- ret = wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE,
- false);
+ wl1271_info("No ack to nullfunc from AP.");
wl->psm_entry_retry = 0;
+ *beacon_loss = true;
}
break;
case EVENT_ENTER_POWER_SAVE_SUCCESS:
@@ -143,6 +125,24 @@ static int wl1271_event_ps_report(struct wl1271 *wl,
return ret;
}
+static void wl1271_event_rssi_trigger(struct wl1271 *wl,
+ struct event_mailbox *mbox)
+{
+ enum nl80211_cqm_rssi_threshold_event event;
+ s8 metric = mbox->rssi_snr_trigger_metric[0];
+
+ wl1271_debug(DEBUG_EVENT, "RSSI trigger metric: %d", metric);
+
+ if (metric <= wl->rssi_thold)
+ event = NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW;
+ else
+ event = NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH;
+
+ if (event != wl->last_rssi_event)
+ ieee80211_cqm_rssi_notify(wl->vif, event, GFP_KERNEL);
+ wl->last_rssi_event = event;
+}
+
static void wl1271_event_mbox_dump(struct event_mailbox *mbox)
{
wl1271_debug(DEBUG_EVENT, "MBOX DUMP:");
@@ -172,10 +172,13 @@ static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox)
* The BSS_LOSE_EVENT_ID is only needed while psm (and hence beacon
* filtering) is enabled. Without PSM, the stack will receive all
* beacons and can detect beacon loss by itself.
+ *
+ * As there's possibility that the driver disables PSM before receiving
+ * BSS_LOSE_EVENT, beacon loss has to be reported to the stack.
+ *
*/
- if (vector & BSS_LOSE_EVENT_ID &&
- test_bit(WL1271_FLAG_PSM, &wl->flags)) {
- wl1271_debug(DEBUG_EVENT, "BSS_LOSE_EVENT");
+ if (vector & BSS_LOSE_EVENT_ID) {
+ wl1271_info("Beacon loss detected.");
/* indicate to the stack, that beacons have been lost */
beacon_loss = true;
@@ -188,17 +191,15 @@ static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox)
return ret;
}
- if (wl->vif && beacon_loss) {
- /* Obviously, it's dangerous to release the mutex while
- we are holding many of the variables in the wl struct.
- That's why it's done last in the function, and care must
- be taken that nothing more is done after this function
- returns. */
- mutex_unlock(&wl->mutex);
- ieee80211_beacon_loss(wl->vif);
- mutex_lock(&wl->mutex);
+ if (vector & RSSI_SNR_TRIGGER_0_EVENT_ID) {
+ wl1271_debug(DEBUG_EVENT, "RSSI_SNR_TRIGGER_0_EVENT");
+ if (wl->vif)
+ wl1271_event_rssi_trigger(wl, mbox);
}
+ if (wl->vif && beacon_loss)
+ ieee80211_connection_loss(wl->vif);
+
return 0;
}