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path: root/drivers/net/wireless/wl12xx/event.c
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Diffstat (limited to 'drivers/net/wireless/wl12xx/event.c')
-rw-r--r--drivers/net/wireless/wl12xx/event.c216
1 files changed, 133 insertions, 83 deletions
diff --git a/drivers/net/wireless/wl12xx/event.c b/drivers/net/wireless/wl12xx/event.c
index 674ad2a9e409..d3280df68f5d 100644
--- a/drivers/net/wireless/wl12xx/event.c
+++ b/drivers/net/wireless/wl12xx/event.c
@@ -22,6 +22,7 @@
*/
#include "wl12xx.h"
+#include "debug.h"
#include "reg.h"
#include "io.h"
#include "event.h"
@@ -31,12 +32,16 @@
void wl1271_pspoll_work(struct work_struct *work)
{
+ struct ieee80211_vif *vif;
+ struct wl12xx_vif *wlvif;
struct delayed_work *dwork;
struct wl1271 *wl;
int ret;
dwork = container_of(work, struct delayed_work, work);
- wl = container_of(dwork, struct wl1271, pspoll_work);
+ wlvif = container_of(dwork, struct wl12xx_vif, pspoll_work);
+ vif = container_of((void *)wlvif, struct ieee80211_vif, drv_priv);
+ wl = wlvif->wl;
wl1271_debug(DEBUG_EVENT, "pspoll work");
@@ -45,10 +50,10 @@ void wl1271_pspoll_work(struct work_struct *work)
if (unlikely(wl->state == WL1271_STATE_OFF))
goto out;
- if (!test_and_clear_bit(WL1271_FLAG_PSPOLL_FAILURE, &wl->flags))
+ if (!test_and_clear_bit(WLVIF_FLAG_PSPOLL_FAILURE, &wlvif->flags))
goto out;
- if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags))
+ if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags))
goto out;
/*
@@ -60,31 +65,33 @@ void wl1271_pspoll_work(struct work_struct *work)
if (ret < 0)
goto out;
- wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE, wl->basic_rate, true);
+ wl1271_ps_set_mode(wl, wlvif, STATION_POWER_SAVE_MODE,
+ wlvif->basic_rate, true);
wl1271_ps_elp_sleep(wl);
out:
mutex_unlock(&wl->mutex);
};
-static void wl1271_event_pspoll_delivery_fail(struct wl1271 *wl)
+static void wl1271_event_pspoll_delivery_fail(struct wl1271 *wl,
+ struct wl12xx_vif *wlvif)
{
int delay = wl->conf.conn.ps_poll_recovery_period;
int ret;
- wl->ps_poll_failures++;
- if (wl->ps_poll_failures == 1)
+ wlvif->ps_poll_failures++;
+ if (wlvif->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,
- wl->basic_rate, true);
+ if (test_bit(WLVIF_FLAG_PSM, &wlvif->flags)) {
+ ret = wl1271_ps_set_mode(wl, wlvif, STATION_ACTIVE_MODE,
+ wlvif->basic_rate, true);
if (ret < 0)
return;
- set_bit(WL1271_FLAG_PSPOLL_FAILURE, &wl->flags);
- ieee80211_queue_delayed_work(wl->hw, &wl->pspoll_work,
+ set_bit(WLVIF_FLAG_PSPOLL_FAILURE, &wlvif->flags);
+ ieee80211_queue_delayed_work(wl->hw, &wlvif->pspoll_work,
msecs_to_jiffies(delay));
}
@@ -97,6 +104,7 @@ static void wl1271_event_pspoll_delivery_fail(struct wl1271 *wl)
}
static int wl1271_event_ps_report(struct wl1271 *wl,
+ struct wl12xx_vif *wlvif,
struct event_mailbox *mbox,
bool *beacon_loss)
{
@@ -109,41 +117,37 @@ static int wl1271_event_ps_report(struct wl1271 *wl,
case EVENT_ENTER_POWER_SAVE_FAIL:
wl1271_debug(DEBUG_PSM, "PSM entry failed");
- if (!test_bit(WL1271_FLAG_PSM, &wl->flags)) {
+ if (!test_bit(WLVIF_FLAG_PSM, &wlvif->flags)) {
/* remain in active mode */
- wl->psm_entry_retry = 0;
+ wlvif->psm_entry_retry = 0;
break;
}
- if (wl->psm_entry_retry < total_retries) {
- wl->psm_entry_retry++;
- ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE,
- wl->basic_rate, true);
+ if (wlvif->psm_entry_retry < total_retries) {
+ wlvif->psm_entry_retry++;
+ ret = wl1271_ps_set_mode(wl, wlvif,
+ STATION_POWER_SAVE_MODE,
+ wlvif->basic_rate, true);
} else {
wl1271_info("No ack to nullfunc from AP.");
- wl->psm_entry_retry = 0;
+ wlvif->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;
+ wlvif->psm_entry_retry = 0;
/*
* BET has only a minor effect in 5GHz and masks
* channel switch IEs, so we only enable BET on 2.4GHz
*/
- if (wl->band == IEEE80211_BAND_2GHZ)
+ if (wlvif->band == IEEE80211_BAND_2GHZ)
/* enable beacon early termination */
- ret = wl1271_acx_bet_enable(wl, true);
+ ret = wl1271_acx_bet_enable(wl, wlvif, true);
- if (wl->ps_compl) {
- complete(wl->ps_compl);
- wl->ps_compl = NULL;
+ if (wlvif->ps_compl) {
+ complete(wlvif->ps_compl);
+ wlvif->ps_compl = NULL;
}
break;
default:
@@ -154,39 +158,44 @@ static int wl1271_event_ps_report(struct wl1271 *wl,
}
static void wl1271_event_rssi_trigger(struct wl1271 *wl,
+ struct wl12xx_vif *wlvif,
struct event_mailbox *mbox)
{
+ struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif);
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)
+ if (metric <= wlvif->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;
+ if (event != wlvif->last_rssi_event)
+ ieee80211_cqm_rssi_notify(vif, event, GFP_KERNEL);
+ wlvif->last_rssi_event = event;
}
-static void wl1271_stop_ba_event(struct wl1271 *wl)
+static void wl1271_stop_ba_event(struct wl1271 *wl, struct wl12xx_vif *wlvif)
{
- if (wl->bss_type != BSS_TYPE_AP_BSS) {
- if (!wl->ba_rx_bitmap)
+ struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif);
+
+ if (wlvif->bss_type != BSS_TYPE_AP_BSS) {
+ if (!wlvif->sta.ba_rx_bitmap)
return;
- ieee80211_stop_rx_ba_session(wl->vif, wl->ba_rx_bitmap,
- wl->bssid);
+ ieee80211_stop_rx_ba_session(vif, wlvif->sta.ba_rx_bitmap,
+ vif->bss_conf.bssid);
} else {
- int i;
+ u8 hlid;
struct wl1271_link *lnk;
- for (i = WL1271_AP_STA_HLID_START; i < AP_MAX_LINKS; i++) {
- lnk = &wl->links[i];
- if (!wl1271_is_active_sta(wl, i) || !lnk->ba_bitmap)
+ for_each_set_bit(hlid, wlvif->ap.sta_hlid_map,
+ WL12XX_MAX_LINKS) {
+ lnk = &wl->links[hlid];
+ if (!lnk->ba_bitmap)
continue;
- ieee80211_stop_rx_ba_session(wl->vif,
+ ieee80211_stop_rx_ba_session(vif,
lnk->ba_bitmap,
lnk->addr);
}
@@ -196,14 +205,23 @@ static void wl1271_stop_ba_event(struct wl1271 *wl)
static void wl12xx_event_soft_gemini_sense(struct wl1271 *wl,
u8 enable)
{
+ struct ieee80211_vif *vif;
+ struct wl12xx_vif *wlvif;
+
if (enable) {
/* disable dynamic PS when requested by the firmware */
- ieee80211_disable_dyn_ps(wl->vif);
+ wl12xx_for_each_wlvif_sta(wl, wlvif) {
+ vif = wl12xx_wlvif_to_vif(wlvif);
+ ieee80211_disable_dyn_ps(vif);
+ }
set_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags);
} else {
- ieee80211_enable_dyn_ps(wl->vif);
clear_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags);
- wl1271_recalc_rx_streaming(wl);
+ wl12xx_for_each_wlvif_sta(wl, wlvif) {
+ vif = wl12xx_wlvif_to_vif(wlvif);
+ ieee80211_enable_dyn_ps(vif);
+ wl1271_recalc_rx_streaming(wl, wlvif);
+ }
}
}
@@ -217,10 +235,11 @@ static void wl1271_event_mbox_dump(struct event_mailbox *mbox)
static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox)
{
+ struct ieee80211_vif *vif;
+ struct wl12xx_vif *wlvif;
int ret;
u32 vector;
bool beacon_loss = false;
- bool is_ap = (wl->bss_type == BSS_TYPE_AP_BSS);
bool disconnect_sta = false;
unsigned long sta_bitmap = 0;
@@ -234,7 +253,7 @@ static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox)
wl1271_debug(DEBUG_EVENT, "status: 0x%x",
mbox->scheduled_scan_status);
- wl1271_scan_stm(wl);
+ wl1271_scan_stm(wl, wl->scan_vif);
}
if (vector & PERIODIC_SCAN_REPORT_EVENT_ID) {
@@ -248,13 +267,12 @@ static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox)
wl1271_debug(DEBUG_EVENT, "PERIODIC_SCAN_COMPLETE_EVENT "
"(status 0x%0x)", mbox->scheduled_scan_status);
if (wl->sched_scanning) {
- wl1271_scan_sched_scan_stop(wl);
ieee80211_sched_scan_stopped(wl->hw);
+ wl->sched_scanning = false;
}
}
- if (vector & SOFT_GEMINI_SENSE_EVENT_ID &&
- wl->bss_type == BSS_TYPE_STA_BSS)
+ if (vector & SOFT_GEMINI_SENSE_EVENT_ID)
wl12xx_event_soft_gemini_sense(wl,
mbox->soft_gemini_sense_info);
@@ -267,40 +285,54 @@ static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox)
* BSS_LOSE_EVENT, beacon loss has to be reported to the stack.
*
*/
- if ((vector & BSS_LOSE_EVENT_ID) && !is_ap) {
+ if (vector & BSS_LOSE_EVENT_ID) {
+ /* TODO: check for multi-role */
wl1271_info("Beacon loss detected.");
/* indicate to the stack, that beacons have been lost */
beacon_loss = true;
}
- if ((vector & PS_REPORT_EVENT_ID) && !is_ap) {
+ if (vector & PS_REPORT_EVENT_ID) {
wl1271_debug(DEBUG_EVENT, "PS_REPORT_EVENT");
- ret = wl1271_event_ps_report(wl, mbox, &beacon_loss);
- if (ret < 0)
- return ret;
+ wl12xx_for_each_wlvif_sta(wl, wlvif) {
+ ret = wl1271_event_ps_report(wl, wlvif,
+ mbox, &beacon_loss);
+ if (ret < 0)
+ return ret;
+ }
}
- if ((vector & PSPOLL_DELIVERY_FAILURE_EVENT_ID) && !is_ap)
- wl1271_event_pspoll_delivery_fail(wl);
+ if (vector & PSPOLL_DELIVERY_FAILURE_EVENT_ID)
+ wl12xx_for_each_wlvif_sta(wl, wlvif) {
+ wl1271_event_pspoll_delivery_fail(wl, wlvif);
+ }
if (vector & RSSI_SNR_TRIGGER_0_EVENT_ID) {
+ /* TODO: check actual multi-role support */
wl1271_debug(DEBUG_EVENT, "RSSI_SNR_TRIGGER_0_EVENT");
- if (wl->vif)
- wl1271_event_rssi_trigger(wl, mbox);
+ wl12xx_for_each_wlvif_sta(wl, wlvif) {
+ wl1271_event_rssi_trigger(wl, wlvif, mbox);
+ }
}
- if ((vector & BA_SESSION_RX_CONSTRAINT_EVENT_ID)) {
+ if (vector & BA_SESSION_RX_CONSTRAINT_EVENT_ID) {
+ u8 role_id = mbox->role_id;
wl1271_debug(DEBUG_EVENT, "BA_SESSION_RX_CONSTRAINT_EVENT_ID. "
- "ba_allowed = 0x%x", mbox->rx_ba_allowed);
+ "ba_allowed = 0x%x, role_id=%d",
+ mbox->rx_ba_allowed, role_id);
- wl->ba_allowed = !!mbox->rx_ba_allowed;
+ wl12xx_for_each_wlvif(wl, wlvif) {
+ if (role_id != 0xff && role_id != wlvif->role_id)
+ continue;
- if (wl->vif && !wl->ba_allowed)
- wl1271_stop_ba_event(wl);
+ wlvif->ba_allowed = !!mbox->rx_ba_allowed;
+ if (!wlvif->ba_allowed)
+ wl1271_stop_ba_event(wl, wlvif);
+ }
}
- if ((vector & CHANNEL_SWITCH_COMPLETE_EVENT_ID) && !is_ap) {
+ if (vector & CHANNEL_SWITCH_COMPLETE_EVENT_ID) {
wl1271_debug(DEBUG_EVENT, "CHANNEL_SWITCH_COMPLETE_EVENT_ID. "
"status = 0x%x",
mbox->channel_switch_status);
@@ -309,50 +341,65 @@ static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox)
* 1) channel switch complete with status=0
* 2) channel switch failed status=1
*/
- if (test_and_clear_bit(WL1271_FLAG_CS_PROGRESS, &wl->flags) &&
- (wl->vif))
- ieee80211_chswitch_done(wl->vif,
- mbox->channel_switch_status ? false : true);
+
+ /* TODO: configure only the relevant vif */
+ wl12xx_for_each_wlvif_sta(wl, wlvif) {
+ struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif);
+ bool success;
+
+ if (!test_and_clear_bit(WLVIF_FLAG_CS_PROGRESS,
+ &wl->flags))
+ continue;
+
+ success = mbox->channel_switch_status ? false : true;
+ ieee80211_chswitch_done(vif, success);
+ }
}
if ((vector & DUMMY_PACKET_EVENT_ID)) {
wl1271_debug(DEBUG_EVENT, "DUMMY_PACKET_ID_EVENT_ID");
- if (wl->vif)
- wl1271_tx_dummy_packet(wl);
+ wl1271_tx_dummy_packet(wl);
}
/*
* "TX retries exceeded" has a different meaning according to mode.
* In AP mode the offending station is disconnected.
*/
- if ((vector & MAX_TX_RETRY_EVENT_ID) && is_ap) {
+ if (vector & MAX_TX_RETRY_EVENT_ID) {
wl1271_debug(DEBUG_EVENT, "MAX_TX_RETRY_EVENT_ID");
sta_bitmap |= le16_to_cpu(mbox->sta_tx_retry_exceeded);
disconnect_sta = true;
}
- if ((vector & INACTIVE_STA_EVENT_ID) && is_ap) {
+ if (vector & INACTIVE_STA_EVENT_ID) {
wl1271_debug(DEBUG_EVENT, "INACTIVE_STA_EVENT_ID");
sta_bitmap |= le16_to_cpu(mbox->sta_aging_status);
disconnect_sta = true;
}
- if (is_ap && disconnect_sta) {
+ if (disconnect_sta) {
u32 num_packets = wl->conf.tx.max_tx_retries;
struct ieee80211_sta *sta;
const u8 *addr;
int h;
- for (h = find_first_bit(&sta_bitmap, AP_MAX_LINKS);
- h < AP_MAX_LINKS;
- h = find_next_bit(&sta_bitmap, AP_MAX_LINKS, h+1)) {
- if (!wl1271_is_active_sta(wl, h))
+ for_each_set_bit(h, &sta_bitmap, WL12XX_MAX_LINKS) {
+ bool found = false;
+ /* find the ap vif connected to this sta */
+ wl12xx_for_each_wlvif_ap(wl, wlvif) {
+ if (!test_bit(h, wlvif->ap.sta_hlid_map))
+ continue;
+ found = true;
+ break;
+ }
+ if (!found)
continue;
+ vif = wl12xx_wlvif_to_vif(wlvif);
addr = wl->links[h].addr;
rcu_read_lock();
- sta = ieee80211_find_sta(wl->vif, addr);
+ sta = ieee80211_find_sta(vif, addr);
if (sta) {
wl1271_debug(DEBUG_EVENT, "remove sta %d", h);
ieee80211_report_low_ack(sta, num_packets);
@@ -361,8 +408,11 @@ static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox)
}
}
- if (wl->vif && beacon_loss)
- ieee80211_connection_loss(wl->vif);
+ if (beacon_loss)
+ wl12xx_for_each_wlvif_sta(wl, wlvif) {
+ vif = wl12xx_wlvif_to_vif(wlvif);
+ ieee80211_connection_loss(vif);
+ }
return 0;
}