summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--drivers/net/wireless/wl12xx/wl1271.h5
-rw-r--r--drivers/net/wireless/wl12xx/wl1271_boot.c3
-rw-r--r--drivers/net/wireless/wl12xx/wl1271_conf.h7
-rw-r--r--drivers/net/wireless/wl12xx/wl1271_event.c60
-rw-r--r--drivers/net/wireless/wl12xx/wl1271_event.h1
-rw-r--r--drivers/net/wireless/wl12xx/wl1271_main.c14
6 files changed, 88 insertions, 2 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1271.h b/drivers/net/wireless/wl12xx/wl1271.h
index 1b52ce6a84d7..cfdccdb86067 100644
--- a/drivers/net/wireless/wl12xx/wl1271.h
+++ b/drivers/net/wireless/wl12xx/wl1271.h
@@ -351,6 +351,7 @@ struct wl1271 {
#define WL1271_FLAG_IRQ_RUNNING (10)
#define WL1271_FLAG_IDLE (11)
#define WL1271_FLAG_IDLE_REQUESTED (12)
+#define WL1271_FLAG_PSPOLL_FAILURE (13)
unsigned long flags;
struct wl1271_partition_set part;
@@ -445,6 +446,10 @@ struct wl1271 {
struct completion *elp_compl;
struct delayed_work elp_work;
+ struct delayed_work pspoll_work;
+
+ /* counter for ps-poll delivery failures */
+ int ps_poll_failures;
/* retry counter for PSM entries */
u8 psm_entry_retry;
diff --git a/drivers/net/wireless/wl12xx/wl1271_boot.c b/drivers/net/wireless/wl12xx/wl1271_boot.c
index 1a36d8a2196e..f44ccaff4e4b 100644
--- a/drivers/net/wireless/wl12xx/wl1271_boot.c
+++ b/drivers/net/wireless/wl12xx/wl1271_boot.c
@@ -414,7 +414,8 @@ static int wl1271_boot_run_firmware(struct wl1271 *wl)
PS_REPORT_EVENT_ID |
JOIN_EVENT_COMPLETE_ID |
DISCONNECT_EVENT_COMPLETE_ID |
- RSSI_SNR_TRIGGER_0_EVENT_ID;
+ RSSI_SNR_TRIGGER_0_EVENT_ID |
+ PSPOLL_DELIVERY_FAILURE_EVENT_ID;
ret = wl1271_event_unmask(wl);
if (ret < 0) {
diff --git a/drivers/net/wireless/wl12xx/wl1271_conf.h b/drivers/net/wireless/wl12xx/wl1271_conf.h
index d046d044b5bd..84b0de7f4bc6 100644
--- a/drivers/net/wireless/wl12xx/wl1271_conf.h
+++ b/drivers/net/wireless/wl12xx/wl1271_conf.h
@@ -874,6 +874,13 @@ struct conf_conn_settings {
u8 ps_poll_threshold;
/*
+ * PS Poll failure recovery ACTIVE period length
+ *
+ * Range: u32 (ms)
+ */
+ u32 ps_poll_recovery_period;
+
+ /*
* Configuration of signal average weights.
*/
struct conf_sig_weights sig_weights;
diff --git a/drivers/net/wireless/wl12xx/wl1271_event.c b/drivers/net/wireless/wl12xx/wl1271_event.c
index ca52cdec7a8f..15f6b86f81a2 100644
--- a/drivers/net/wireless/wl12xx/wl1271_event.c
+++ b/drivers/net/wireless/wl12xx/wl1271_event.c
@@ -28,6 +28,63 @@
#include "wl1271_ps.h"
#include "wl12xx_80211.h"
+void wl1271_pspoll_work(struct work_struct *work)
+{
+ struct delayed_work *dwork;
+ struct wl1271 *wl;
+
+ dwork = container_of(work, struct delayed_work, work);
+ wl = container_of(dwork, struct wl1271, pspoll_work);
+
+ wl1271_debug(DEBUG_EVENT, "pspoll work");
+
+ mutex_lock(&wl->mutex);
+
+ if (!test_and_clear_bit(WL1271_FLAG_PSPOLL_FAILURE, &wl->flags))
+ goto out;
+
+ if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags))
+ goto out;
+
+ /*
+ * if we end up here, then we were in powersave when the pspoll
+ * delivery failure occurred, and no-one changed state since, so
+ * we should go back to powersave.
+ */
+ wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE, true);
+
+out:
+ mutex_unlock(&wl->mutex);
+};
+
+static void wl1271_event_pspoll_delivery_fail(struct wl1271 *wl)
+{
+ int delay = wl->conf.conn.ps_poll_recovery_period;
+ int ret;
+
+ wl->ps_poll_failures++;
+ if (wl->ps_poll_failures == 1)
+ wl1271_info("AP with dysfunctional ps-poll, "
+ "trying to work around it.");
+
+ /* force active mode receive data from the AP */
+ if (test_bit(WL1271_FLAG_PSM, &wl->flags)) {
+ ret = wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE, true);
+ if (ret < 0)
+ return;
+ set_bit(WL1271_FLAG_PSPOLL_FAILURE, &wl->flags);
+ ieee80211_queue_delayed_work(wl->hw, &wl->pspoll_work,
+ msecs_to_jiffies(delay));
+ }
+
+ /*
+ * If already in active mode, lets we should be getting data from
+ * the AP right away. If we enter PSM too fast after this, and data
+ * remains on the AP, we will get another event like this, and we'll
+ * go into active once more.
+ */
+}
+
static int wl1271_event_scan_complete(struct wl1271 *wl,
struct event_mailbox *mbox)
{
@@ -191,6 +248,9 @@ static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox)
return ret;
}
+ if (vector & PSPOLL_DELIVERY_FAILURE_EVENT_ID)
+ wl1271_event_pspoll_delivery_fail(wl);
+
if (vector & RSSI_SNR_TRIGGER_0_EVENT_ID) {
wl1271_debug(DEBUG_EVENT, "RSSI_SNR_TRIGGER_0_EVENT");
if (wl->vif)
diff --git a/drivers/net/wireless/wl12xx/wl1271_event.h b/drivers/net/wireless/wl12xx/wl1271_event.h
index 58371008f270..9fb5a940b1a5 100644
--- a/drivers/net/wireless/wl12xx/wl1271_event.h
+++ b/drivers/net/wireless/wl12xx/wl1271_event.h
@@ -121,5 +121,6 @@ struct event_mailbox {
int wl1271_event_unmask(struct wl1271 *wl);
void wl1271_event_mbox_config(struct wl1271 *wl);
int wl1271_event_handle(struct wl1271 *wl, u8 mbox);
+void wl1271_pspoll_work(struct work_struct *work);
#endif
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index a37244c88fee..8a4b17f74dbc 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -233,7 +233,8 @@ static struct conf_drv_settings default_conf = {
.beacon_rx_timeout = 10000,
.broadcast_timeout = 20000,
.rx_broadcast_in_ps = 1,
- .ps_poll_threshold = 20,
+ .ps_poll_threshold = 10,
+ .ps_poll_recovery_period = 700,
.bet_enable = CONF_BET_MODE_ENABLE,
.bet_max_consecutive = 10,
.psm_entry_retries = 3,
@@ -955,6 +956,7 @@ static void wl1271_op_remove_interface(struct ieee80211_hw *hw,
cancel_work_sync(&wl->irq_work);
cancel_work_sync(&wl->tx_work);
+ cancel_delayed_work_sync(&wl->pspoll_work);
mutex_lock(&wl->mutex);
@@ -1260,6 +1262,13 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed)
wl1271_warning("idle mode change failed %d", ret);
}
+ /*
+ * if mac80211 changes the PSM mode, make sure the mode is not
+ * incorrectly changed after the pspoll failure active window.
+ */
+ if (changed & IEEE80211_CONF_CHANGE_PS)
+ clear_bit(WL1271_FLAG_PSPOLL_FAILURE, &wl->flags);
+
if (conf->flags & IEEE80211_CONF_PS &&
!test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) {
set_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags);
@@ -1766,6 +1775,8 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
wl->aid = bss_conf->aid;
set_assoc = true;
+ wl->ps_poll_failures = 0;
+
/*
* use basic rates from AP, and determine lowest rate
* to use with control frames.
@@ -2390,6 +2401,7 @@ struct ieee80211_hw *wl1271_alloc_hw(void)
skb_queue_head_init(&wl->tx_queue);
INIT_DELAYED_WORK(&wl->elp_work, wl1271_elp_work);
+ INIT_DELAYED_WORK(&wl->pspoll_work, wl1271_pspoll_work);
wl->channel = WL1271_DEFAULT_CHANNEL;
wl->beacon_int = WL1271_DEFAULT_BEACON_INT;
wl->default_key = 0;
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-11-06 11:27:55 +0100