aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/wireless
diff options
context:
space:
mode:
authorJuuso Oikarinen <juuso.oikarinen@nokia.com>2009-10-08 21:56:34 +0300
committerJohn W. Linville <linville@tuxdriver.com>2009-10-27 16:47:54 -0400
commitb771eee583343782c8b44d2b78cf53c29d0f3303 (patch)
tree46f851a5ebe61d838bb38153f5926deffc69f59f /drivers/net/wireless
parent344152361e6d14ade61d7f43678db7418cb445db (diff)
wl1271: Enable beacon filtering with the stack
Enable beacon filtering with the mac80211 stack. Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com> Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com> Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r--drivers/net/wireless/wl12xx/wl1271.h2
-rw-r--r--drivers/net/wireless/wl12xx/wl1271_event.c14
-rw-r--r--drivers/net/wireless/wl12xx/wl1271_main.c12
3 files changed, 22 insertions, 6 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1271.h b/drivers/net/wireless/wl12xx/wl1271.h
index 34a52b33bf5..96a58131694 100644
--- a/drivers/net/wireless/wl12xx/wl1271.h
+++ b/drivers/net/wireless/wl12xx/wl1271.h
@@ -420,6 +420,8 @@ struct wl1271 {
struct wl1271_fw_status *fw_status;
struct wl1271_tx_hw_res_if *tx_res_if;
+
+ struct ieee80211_vif *vif;
};
int wl1271_plt_start(struct wl1271 *wl);
diff --git a/drivers/net/wireless/wl12xx/wl1271_event.c b/drivers/net/wireless/wl12xx/wl1271_event.c
index 87055f7996b..f32927650af 100644
--- a/drivers/net/wireless/wl12xx/wl1271_event.c
+++ b/drivers/net/wireless/wl12xx/wl1271_event.c
@@ -70,14 +70,16 @@ static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox)
return ret;
}
- if (vector & BSS_LOSE_EVENT_ID) {
+ /*
+ * 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.
+ */
+ if (vector & BSS_LOSE_EVENT_ID && wl->psm) {
wl1271_debug(DEBUG_EVENT, "BSS_LOSE_EVENT");
- if (wl->psm_requested && wl->psm) {
- ret = wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE);
- if (ret < 0)
- return ret;
- }
+ /* indicate to the stack, that beacons have been lost */
+ ieee80211_beacon_loss(wl->vif);
}
return 0;
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index d22de23f0bc..e6f9e9b5703 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -665,6 +665,12 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw,
conf->type, conf->mac_addr);
mutex_lock(&wl->mutex);
+ if (wl->vif) {
+ ret = -EBUSY;
+ goto out;
+ }
+
+ wl->vif = conf->vif;
switch (conf->type) {
case NL80211_IFTYPE_STATION:
@@ -688,7 +694,12 @@ out:
static void wl1271_op_remove_interface(struct ieee80211_hw *hw,
struct ieee80211_if_init_conf *conf)
{
+ struct wl1271 *wl = hw->priv;
+
+ mutex_lock(&wl->mutex);
wl1271_debug(DEBUG_MAC80211, "mac80211 remove interface");
+ wl->vif = NULL;
+ mutex_unlock(&wl->mutex);
}
#if 0
@@ -1382,6 +1393,7 @@ static int __devinit wl1271_probe(struct spi_device *spi)
wl->dtim_period = WL1271_DEFAULT_DTIM_PERIOD;
wl->basic_rate_set = WL1271_DEFAULT_BASIC_RATE_SET;
wl->band = IEEE80211_BAND_2GHZ;
+ wl->vif = NULL;
for (i = 0; i < ACX_TX_DESCRIPTORS; i++)
wl->tx_frames[i] = NULL;