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path: root/drivers/net/wireless/wl12xx/wl1271_event.c
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Diffstat (limited to 'drivers/net/wireless/wl12xx/wl1271_event.c')
-rw-r--r--drivers/net/wireless/wl12xx/wl1271_event.c68
1 files changed, 52 insertions, 16 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1271_event.c b/drivers/net/wireless/wl12xx/wl1271_event.c
index d13fdd99c85c..7468ef10194b 100644
--- a/drivers/net/wireless/wl12xx/wl1271_event.c
+++ b/drivers/net/wireless/wl12xx/wl1271_event.c
@@ -24,6 +24,7 @@
#include "wl1271.h"
#include "wl1271_reg.h"
#include "wl1271_spi.h"
+#include "wl1271_io.h"
#include "wl1271_event.h"
#include "wl1271_ps.h"
#include "wl12xx_80211.h"
@@ -35,7 +36,7 @@ static int wl1271_event_scan_complete(struct wl1271 *wl,
wl1271_debug(DEBUG_EVENT, "status: 0x%x",
mbox->scheduled_scan_status);
- if (wl->scanning) {
+ 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);
@@ -43,7 +44,7 @@ static int wl1271_event_scan_complete(struct wl1271 *wl,
* to the wl1271_cmd_scan function that we are not
* scanning as it checks that.
*/
- wl->scanning = false;
+ clear_bit(WL1271_FLAG_SCANNING, &wl->flags);
wl1271_cmd_scan(wl, wl->scan.ssid, wl->scan.ssid_len,
wl->scan.active,
wl->scan.high_prio,
@@ -62,7 +63,7 @@ static int wl1271_event_scan_complete(struct wl1271 *wl,
mutex_unlock(&wl->mutex);
ieee80211_scan_completed(wl->hw, false);
mutex_lock(&wl->mutex);
- wl->scanning = false;
+ clear_bit(WL1271_FLAG_SCANNING, &wl->flags);
}
}
return 0;
@@ -78,25 +79,61 @@ static int wl1271_event_ps_report(struct wl1271 *wl,
switch (mbox->ps_status) {
case EVENT_ENTER_POWER_SAVE_FAIL:
- if (!wl->psm) {
+ wl1271_debug(DEBUG_PSM, "PSM entry failed");
+
+ if (!test_bit(WL1271_FLAG_PSM, &wl->flags)) {
+ /* remain in active mode */
wl->psm_entry_retry = 0;
break;
}
if (wl->psm_entry_retry < wl->conf.conn.psm_entry_retries) {
wl->psm_entry_retry++;
- ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE);
+ 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);
wl->psm_entry_retry = 0;
- *beacon_loss = true;
}
break;
case EVENT_ENTER_POWER_SAVE_SUCCESS:
wl->psm_entry_retry = 0;
+
+ /* enable beacon filtering */
+ ret = wl1271_acx_beacon_filter_opt(wl, true);
+ if (ret < 0)
+ break;
+
+ /* enable beacon early termination */
+ ret = wl1271_acx_bet_enable(wl, true);
+ if (ret < 0)
+ break;
+
+ /* go to extremely low power mode */
+ wl1271_ps_elp_sleep(wl);
+ if (ret < 0)
+ break;
break;
case EVENT_EXIT_POWER_SAVE_FAIL:
- wl1271_info("PSM exit failed");
+ wl1271_debug(DEBUG_PSM, "PSM exit failed");
+
+ if (test_bit(WL1271_FLAG_PSM, &wl->flags)) {
+ wl->psm_entry_retry = 0;
+ break;
+ }
+
+ /* make sure the firmware goes to active mode - the frame to
+ be sent next will indicate to the AP, that we are active. */
+ ret = wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE,
+ false);
break;
case EVENT_EXIT_POWER_SAVE_SUCCESS:
default:
@@ -136,7 +173,8 @@ static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox)
* filtering) is enabled. Without PSM, the stack will receive all
* beacons and can detect beacon loss by itself.
*/
- if (vector & BSS_LOSE_EVENT_ID && wl->psm) {
+ if (vector & BSS_LOSE_EVENT_ID &&
+ test_bit(WL1271_FLAG_PSM, &wl->flags)) {
wl1271_debug(DEBUG_EVENT, "BSS_LOSE_EVENT");
/* indicate to the stack, that beacons have been lost */
@@ -150,7 +188,7 @@ static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox)
return ret;
}
- if (beacon_loss) {
+ 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
@@ -177,14 +215,14 @@ int wl1271_event_unmask(struct wl1271 *wl)
void wl1271_event_mbox_config(struct wl1271 *wl)
{
- wl->mbox_ptr[0] = wl1271_spi_read32(wl, REG_EVENT_MAILBOX_PTR);
+ wl->mbox_ptr[0] = wl1271_read32(wl, REG_EVENT_MAILBOX_PTR);
wl->mbox_ptr[1] = wl->mbox_ptr[0] + sizeof(struct event_mailbox);
wl1271_debug(DEBUG_EVENT, "MBOX ptrs: 0x%x 0x%x",
wl->mbox_ptr[0], wl->mbox_ptr[1]);
}
-int wl1271_event_handle(struct wl1271 *wl, u8 mbox_num, bool do_ack)
+int wl1271_event_handle(struct wl1271 *wl, u8 mbox_num)
{
struct event_mailbox mbox;
int ret;
@@ -195,8 +233,8 @@ int wl1271_event_handle(struct wl1271 *wl, u8 mbox_num, bool do_ack)
return -EINVAL;
/* first we read the mbox descriptor */
- wl1271_spi_read(wl, wl->mbox_ptr[mbox_num], &mbox,
- sizeof(struct event_mailbox), false);
+ wl1271_read(wl, wl->mbox_ptr[mbox_num], &mbox,
+ sizeof(struct event_mailbox), false);
/* process the descriptor */
ret = wl1271_event_process(wl, &mbox);
@@ -204,9 +242,7 @@ int wl1271_event_handle(struct wl1271 *wl, u8 mbox_num, bool do_ack)
return ret;
/* then we let the firmware know it can go on...*/
- if (do_ack)
- wl1271_spi_write32(wl, ACX_REG_INTERRUPT_TRIG,
- INTR_TRIG_EVENT_ACK);
+ wl1271_write32(wl, ACX_REG_INTERRUPT_TRIG, INTR_TRIG_EVENT_ACK);
return 0;
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-04 19:57:47 +0300