#include "led.h"
#include "driver-ops.h"
#include "wme.h"
+#include "rate.h"
/**
* DOC: Interface list locking
type2 == NL80211_IFTYPE_AP_VLAN));
}
-static int ieee80211_open(struct net_device *dev)
+static int ieee80211_check_concurrent_iface(struct ieee80211_sub_if_data *sdata,
+ enum nl80211_iftype iftype)
{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- struct ieee80211_sub_if_data *nsdata;
struct ieee80211_local *local = sdata->local;
- struct sta_info *sta;
- u32 changed = 0;
- int res;
- u32 hw_reconf_flags = 0;
- u8 null_addr[ETH_ALEN] = {0};
+ struct ieee80211_sub_if_data *nsdata;
+ struct net_device *dev = sdata->dev;
- /* fail early if user set an invalid address */
- if (compare_ether_addr(dev->dev_addr, null_addr) &&
- !is_valid_ether_addr(dev->dev_addr))
- return -EADDRNOTAVAIL;
+ ASSERT_RTNL();
/* we hold the RTNL here so can safely walk the list */
list_for_each_entry(nsdata, &local->interfaces, list) {
* belonging to the same hardware. Then, however, we're
* faced with having to adopt two different TSF timers...
*/
- if (sdata->vif.type == NL80211_IFTYPE_ADHOC &&
+ if (iftype == NL80211_IFTYPE_ADHOC &&
nsdata->vif.type == NL80211_IFTYPE_ADHOC)
return -EBUSY;
/*
* check whether it may have the same address
*/
- if (!identical_mac_addr_allowed(sdata->vif.type,
+ if (!identical_mac_addr_allowed(iftype,
nsdata->vif.type))
return -ENOTUNIQ;
/*
* can only add VLANs to enabled APs
*/
- if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
+ if (iftype == NL80211_IFTYPE_AP_VLAN &&
nsdata->vif.type == NL80211_IFTYPE_AP)
sdata->bss = &nsdata->u.ap;
}
}
+ return 0;
+}
+
+void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata,
+ const int offset)
+{
+ struct ieee80211_local *local = sdata->local;
+ u32 flags = sdata->u.mntr_flags;
+
+#define ADJUST(_f, _s) do { \
+ if (flags & MONITOR_FLAG_##_f) \
+ local->fif_##_s += offset; \
+ } while (0)
+
+ ADJUST(FCSFAIL, fcsfail);
+ ADJUST(PLCPFAIL, plcpfail);
+ ADJUST(CONTROL, control);
+ ADJUST(CONTROL, pspoll);
+ ADJUST(OTHER_BSS, other_bss);
+
+#undef ADJUST
+}
+
+/*
+ * NOTE: Be very careful when changing this function, it must NOT return
+ * an error on interface type changes that have been pre-checked, so most
+ * checks should be in ieee80211_check_concurrent_iface.
+ */
+static int ieee80211_do_open(struct net_device *dev, bool coming_up)
+{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_local *local = sdata->local;
+ struct sta_info *sta;
+ u32 changed = 0;
+ int res;
+ u32 hw_reconf_flags = 0;
+
switch (sdata->vif.type) {
case NL80211_IFTYPE_WDS:
if (!is_valid_ether_addr(sdata->u.wds.remote_addr))
sdata->bss = &sdata->u.ap;
break;
case NL80211_IFTYPE_MESH_POINT:
- if (!ieee80211_vif_is_mesh(&sdata->vif))
- break;
- /* mesh ifaces must set allmulti to forward mcast traffic */
- atomic_inc(&local->iff_allmultis);
- break;
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_MONITOR:
case NL80211_IFTYPE_ADHOC:
/* no special treatment */
break;
case NL80211_IFTYPE_UNSPECIFIED:
- case __NL80211_IFTYPE_AFTER_LAST:
+ case NUM_NL80211_IFTYPES:
+ case NL80211_IFTYPE_P2P_CLIENT:
+ case NL80211_IFTYPE_P2P_GO:
/* cannot happen */
WARN_ON(1);
break;
res = drv_start(local);
if (res)
goto err_del_bss;
+ if (local->ops->napi_poll)
+ napi_enable(&local->napi);
/* we're brought up, everything changes */
hw_reconf_flags = ~0;
ieee80211_led_radio(local, true);
+ ieee80211_mod_tpt_led_trig(local,
+ IEEE80211_TPT_LEDTRIG_FL_RADIO, 0);
}
/*
- * Check all interfaces and copy the hopefully now-present
- * MAC address to those that have the special null one.
+ * Copy the hopefully now-present MAC address to
+ * this interface, if it has the special null one.
*/
- list_for_each_entry(nsdata, &local->interfaces, list) {
- struct net_device *ndev = nsdata->dev;
-
- /*
- * No need to check running since we do not allow
- * it to start up with this invalid address.
- */
- if (compare_ether_addr(null_addr, ndev->dev_addr) == 0) {
- memcpy(ndev->dev_addr,
- local->hw.wiphy->perm_addr,
- ETH_ALEN);
- memcpy(ndev->perm_addr, ndev->dev_addr, ETH_ALEN);
+ if (is_zero_ether_addr(dev->dev_addr)) {
+ memcpy(dev->dev_addr,
+ local->hw.wiphy->perm_addr,
+ ETH_ALEN);
+ memcpy(dev->perm_addr, dev->dev_addr, ETH_ALEN);
+
+ if (!is_valid_ether_addr(dev->dev_addr)) {
+ if (!local->open_count)
+ drv_stop(local);
+ return -EADDRNOTAVAIL;
}
}
- /*
- * Validate the MAC address for this device.
- */
- if (!is_valid_ether_addr(dev->dev_addr)) {
- if (!local->open_count)
- drv_stop(local);
- return -EADDRNOTAVAIL;
- }
-
switch (sdata->vif.type) {
case NL80211_IFTYPE_AP_VLAN:
/* no need to tell driver */
hw_reconf_flags |= IEEE80211_CONF_CHANGE_MONITOR;
}
- if (sdata->u.mntr_flags & MONITOR_FLAG_FCSFAIL)
- local->fif_fcsfail++;
- if (sdata->u.mntr_flags & MONITOR_FLAG_PLCPFAIL)
- local->fif_plcpfail++;
- if (sdata->u.mntr_flags & MONITOR_FLAG_CONTROL) {
- local->fif_control++;
- local->fif_pspoll++;
- }
- if (sdata->u.mntr_flags & MONITOR_FLAG_OTHER_BSS)
- local->fif_other_bss++;
-
+ ieee80211_adjust_monitor_flags(sdata, 1);
ieee80211_configure_filter(local);
netif_carrier_on(dev);
break;
default:
- res = drv_add_interface(local, &sdata->vif);
- if (res)
- goto err_stop;
-
- if (ieee80211_vif_is_mesh(&sdata->vif)) {
- local->fif_other_bss++;
- ieee80211_configure_filter(local);
+ if (coming_up) {
+ res = drv_add_interface(local, &sdata->vif);
+ if (res)
+ goto err_stop;
+ }
- ieee80211_start_mesh(sdata);
- } else if (sdata->vif.type == NL80211_IFTYPE_AP) {
+ if (sdata->vif.type == NL80211_IFTYPE_AP) {
local->fif_pspoll++;
+ local->fif_probe_req++;
ieee80211_configure_filter(local);
+ } else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
+ local->fif_probe_req++;
}
changed |= ieee80211_reset_erp_info(sdata);
netif_carrier_on(dev);
}
+ set_bit(SDATA_STATE_RUNNING, &sdata->state);
+
if (sdata->vif.type == NL80211_IFTYPE_WDS) {
/* Create STA entry for the WDS peer */
sta = sta_info_alloc(sdata, sdata->u.wds.remote_addr,
/* STA has been freed */
goto err_del_interface;
}
+
+ rate_control_rate_init(sta);
}
/*
if (sdata->flags & IEEE80211_SDATA_PROMISC)
atomic_inc(&local->iff_promiscs);
+ mutex_lock(&local->mtx);
hw_reconf_flags |= __ieee80211_recalc_idle(local);
+ mutex_unlock(&local->mtx);
+
+ if (coming_up)
+ local->open_count++;
- local->open_count++;
if (hw_reconf_flags) {
ieee80211_hw_config(local, hw_reconf_flags);
/*
sdata->bss = NULL;
if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
list_del(&sdata->u.vlan.list);
+ clear_bit(SDATA_STATE_RUNNING, &sdata->state);
return res;
}
-static int ieee80211_stop(struct net_device *dev)
+static int ieee80211_open(struct net_device *dev)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ int err;
+
+ /* fail early if user set an invalid address */
+ if (!is_zero_ether_addr(dev->dev_addr) &&
+ !is_valid_ether_addr(dev->dev_addr))
+ return -EADDRNOTAVAIL;
+
+ err = ieee80211_check_concurrent_iface(sdata, sdata->vif.type);
+ if (err)
+ return err;
+
+ return ieee80211_do_open(dev, true);
+}
+
+static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
+ bool going_down)
+{
struct ieee80211_local *local = sdata->local;
unsigned long flags;
struct sk_buff *skb, *tmp;
u32 hw_reconf_flags = 0;
int i;
+ enum nl80211_channel_type orig_ct;
+
+ clear_bit(SDATA_STATE_RUNNING, &sdata->state);
+
+ if (local->scan_sdata == sdata)
+ ieee80211_scan_cancel(local);
/*
* Stop TX on this interface first.
*/
- netif_tx_stop_all_queues(dev);
+ netif_tx_stop_all_queues(sdata->dev);
/*
* Purge work for this interface.
* (because if we remove a STA after ops->remove_interface()
* the driver will have removed the vif info already!)
*
- * We could relax this and only unlink the stations from the
- * hash table and list but keep them on a per-sdata list that
- * will be inserted back again when the interface is brought
- * up again, but I don't currently see a use case for that,
- * except with WDS which gets a STA entry created when it is
- * brought up.
+ * This is relevant only in AP, WDS and mesh modes, since in
+ * all other modes we've already removed all stations when
+ * disconnecting etc.
*/
sta_info_flush(local, sdata);
if (sdata->flags & IEEE80211_SDATA_PROMISC)
atomic_dec(&local->iff_promiscs);
- if (sdata->vif.type == NL80211_IFTYPE_AP)
+ if (sdata->vif.type == NL80211_IFTYPE_AP) {
local->fif_pspoll--;
+ local->fif_probe_req--;
+ } else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
+ local->fif_probe_req--;
+ }
- netif_addr_lock_bh(dev);
+ netif_addr_lock_bh(sdata->dev);
spin_lock_bh(&local->filter_lock);
- __hw_addr_unsync(&local->mc_list, &dev->mc, dev->addr_len);
+ __hw_addr_unsync(&local->mc_list, &sdata->dev->mc,
+ sdata->dev->addr_len);
spin_unlock_bh(&local->filter_lock);
- netif_addr_unlock_bh(dev);
+ netif_addr_unlock_bh(sdata->dev);
ieee80211_configure_filter(local);
/* APs need special treatment */
if (sdata->vif.type == NL80211_IFTYPE_AP) {
struct ieee80211_sub_if_data *vlan, *tmpsdata;
- struct beacon_data *old_beacon = sdata->u.ap.beacon;
+ struct beacon_data *old_beacon =
+ rtnl_dereference(sdata->u.ap.beacon);
+
+ /* sdata_running will return false, so this will disable */
+ ieee80211_bss_info_change_notify(sdata,
+ BSS_CHANGED_BEACON_ENABLED);
/* remove beacon */
rcu_assign_pointer(sdata->u.ap.beacon, NULL);
synchronize_rcu();
kfree(old_beacon);
+ /* free all potentially still buffered bcast frames */
+ while ((skb = skb_dequeue(&sdata->u.ap.ps_bc_buf))) {
+ local->total_ps_buffered--;
+ dev_kfree_skb(skb);
+ }
+
/* down all dependent devices, that is VLANs */
list_for_each_entry_safe(vlan, tmpsdata, &sdata->u.ap.vlans,
u.vlan.list)
WARN_ON(!list_empty(&sdata->u.ap.vlans));
}
- local->open_count--;
+ if (going_down)
+ local->open_count--;
switch (sdata->vif.type) {
case NL80211_IFTYPE_AP_VLAN:
hw_reconf_flags |= IEEE80211_CONF_CHANGE_MONITOR;
}
- if (sdata->u.mntr_flags & MONITOR_FLAG_FCSFAIL)
- local->fif_fcsfail--;
- if (sdata->u.mntr_flags & MONITOR_FLAG_PLCPFAIL)
- local->fif_plcpfail--;
- if (sdata->u.mntr_flags & MONITOR_FLAG_CONTROL) {
- local->fif_pspoll--;
- local->fif_control--;
- }
- if (sdata->u.mntr_flags & MONITOR_FLAG_OTHER_BSS)
- local->fif_other_bss--;
-
+ ieee80211_adjust_monitor_flags(sdata, -1);
ieee80211_configure_filter(local);
break;
- case NL80211_IFTYPE_STATION:
- del_timer_sync(&sdata->u.mgd.chswitch_timer);
- del_timer_sync(&sdata->u.mgd.timer);
- del_timer_sync(&sdata->u.mgd.conn_mon_timer);
- del_timer_sync(&sdata->u.mgd.bcn_mon_timer);
- /*
- * If any of the timers fired while we waited for it, it will
- * have queued its work. Now the work will be running again
- * but will not rearm the timer again because it checks
- * whether the interface is running, which, at this point,
- * it no longer is.
- */
- cancel_work_sync(&sdata->u.mgd.chswitch_work);
- cancel_work_sync(&sdata->u.mgd.monitor_work);
- cancel_work_sync(&sdata->u.mgd.beacon_connection_loss_work);
-
- /* fall through */
- case NL80211_IFTYPE_ADHOC:
- if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
- del_timer_sync(&sdata->u.ibss.timer);
- /* fall through */
- case NL80211_IFTYPE_MESH_POINT:
- if (ieee80211_vif_is_mesh(&sdata->vif)) {
- /* other_bss and allmulti are always set on mesh
- * ifaces */
- local->fif_other_bss--;
- atomic_dec(&local->iff_allmultis);
-
- ieee80211_configure_filter(local);
-
- ieee80211_stop_mesh(sdata);
- }
- /* fall through */
default:
flush_work(&sdata->work);
/*
synchronize_rcu();
skb_queue_purge(&sdata->skb_queue);
- if (local->scan_sdata == sdata)
- ieee80211_scan_cancel(local);
-
/*
- * Disable beaconing for AP and mesh, IBSS can't
- * still be joined to a network at this point.
+ * Disable beaconing here for mesh only, AP and IBSS
+ * are already taken care of.
*/
- if (sdata->vif.type == NL80211_IFTYPE_AP ||
- sdata->vif.type == NL80211_IFTYPE_MESH_POINT) {
+ if (sdata->vif.type == NL80211_IFTYPE_MESH_POINT)
ieee80211_bss_info_change_notify(sdata,
BSS_CHANGED_BEACON_ENABLED);
- }
- /* free all remaining keys, there shouldn't be any */
+ /*
+ * Free all remaining keys, there shouldn't be any,
+ * except maybe group keys in AP more or WDS?
+ */
ieee80211_free_keys(sdata);
- drv_remove_interface(local, &sdata->vif);
+
+ if (going_down)
+ drv_remove_interface(local, &sdata->vif);
}
sdata->bss = NULL;
+ mutex_lock(&local->mtx);
hw_reconf_flags |= __ieee80211_recalc_idle(local);
+ mutex_unlock(&local->mtx);
ieee80211_recalc_ps(local, -1);
if (local->open_count == 0) {
+ if (local->ops->napi_poll)
+ napi_disable(&local->napi);
ieee80211_clear_tx_pending(local);
ieee80211_stop_device(local);
hw_reconf_flags = 0;
}
+ /* Re-calculate channel-type, in case there are multiple vifs
+ * on different channel types.
+ */
+ orig_ct = local->_oper_channel_type;
+ ieee80211_set_channel_type(local, NULL, NL80211_CHAN_NO_HT);
+
/* do after stop to avoid reconfiguring when we stop anyway */
- if (hw_reconf_flags)
+ if (hw_reconf_flags || (orig_ct != local->_oper_channel_type))
ieee80211_hw_config(local, hw_reconf_flags);
spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
}
}
spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
+}
+
+static int ieee80211_stop(struct net_device *dev)
+{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+ ieee80211_do_stop(sdata, true);
return 0;
}
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = sdata->local;
- struct beacon_data *beacon;
- struct sk_buff *skb;
int flushed;
int i;
__skb_queue_purge(&sdata->fragments[i].skb_list);
sdata->fragment_next = 0;
- switch (sdata->vif.type) {
- case NL80211_IFTYPE_AP:
- beacon = sdata->u.ap.beacon;
- rcu_assign_pointer(sdata->u.ap.beacon, NULL);
- synchronize_rcu();
- kfree(beacon);
-
- while ((skb = skb_dequeue(&sdata->u.ap.ps_bc_buf))) {
- local->total_ps_buffered--;
- dev_kfree_skb(skb);
- }
-
- break;
- case NL80211_IFTYPE_MESH_POINT:
- if (ieee80211_vif_is_mesh(&sdata->vif))
- mesh_rmc_free(sdata);
- break;
- case NL80211_IFTYPE_ADHOC:
- if (WARN_ON(sdata->u.ibss.presp))
- kfree_skb(sdata->u.ibss.presp);
- break;
- case NL80211_IFTYPE_STATION:
- case NL80211_IFTYPE_WDS:
- case NL80211_IFTYPE_AP_VLAN:
- case NL80211_IFTYPE_MONITOR:
- break;
- case NL80211_IFTYPE_UNSPECIFIED:
- case __NL80211_IFTYPE_AFTER_LAST:
- BUG();
- break;
- }
+ if (ieee80211_vif_is_mesh(&sdata->vif))
+ mesh_rmc_free(sdata);
flushed = sta_info_flush(local, sdata);
WARN_ON(flushed);
__ieee80211_stop_rx_ba_session(
sta, tid, WLAN_BACK_RECIPIENT,
- WLAN_REASON_QSTA_REQUIRE_SETUP);
+ WLAN_REASON_QSTA_REQUIRE_SETUP,
+ true);
}
mutex_unlock(&local->sta_mtx);
} else switch (sdata->vif.type) {
/* and set some type-dependent values */
sdata->vif.type = type;
+ sdata->vif.p2p = false;
sdata->dev->netdev_ops = &ieee80211_dataif_ops;
sdata->wdev.iftype = type;
+ sdata->control_port_protocol = cpu_to_be16(ETH_P_PAE);
+ sdata->control_port_no_encrypt = false;
+
/* only monitor differs */
sdata->dev->type = ARPHRD_ETHER;
INIT_WORK(&sdata->work, ieee80211_iface_work);
switch (type) {
+ case NL80211_IFTYPE_P2P_GO:
+ type = NL80211_IFTYPE_AP;
+ sdata->vif.type = type;
+ sdata->vif.p2p = true;
+ /* fall through */
case NL80211_IFTYPE_AP:
skb_queue_head_init(&sdata->u.ap.ps_bc_buf);
INIT_LIST_HEAD(&sdata->u.ap.vlans);
break;
+ case NL80211_IFTYPE_P2P_CLIENT:
+ type = NL80211_IFTYPE_STATION;
+ sdata->vif.type = type;
+ sdata->vif.p2p = true;
+ /* fall through */
case NL80211_IFTYPE_STATION:
ieee80211_sta_setup_sdata(sdata);
break;
case NL80211_IFTYPE_AP_VLAN:
break;
case NL80211_IFTYPE_UNSPECIFIED:
- case __NL80211_IFTYPE_AFTER_LAST:
+ case NUM_NL80211_IFTYPES:
BUG();
break;
}
ieee80211_debugfs_add_netdev(sdata);
}
+static int ieee80211_runtime_change_iftype(struct ieee80211_sub_if_data *sdata,
+ enum nl80211_iftype type)
+{
+ struct ieee80211_local *local = sdata->local;
+ int ret, err;
+ enum nl80211_iftype internal_type = type;
+ bool p2p = false;
+
+ ASSERT_RTNL();
+
+ if (!local->ops->change_interface)
+ return -EBUSY;
+
+ switch (sdata->vif.type) {
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_ADHOC:
+ /*
+ * Could maybe also all others here?
+ * Just not sure how that interacts
+ * with the RX/config path e.g. for
+ * mesh.
+ */
+ break;
+ default:
+ return -EBUSY;
+ }
+
+ switch (type) {
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_ADHOC:
+ /*
+ * Could probably support everything
+ * but WDS here (WDS do_open can fail
+ * under memory pressure, which this
+ * code isn't prepared to handle).
+ */
+ break;
+ case NL80211_IFTYPE_P2P_CLIENT:
+ p2p = true;
+ internal_type = NL80211_IFTYPE_STATION;
+ break;
+ case NL80211_IFTYPE_P2P_GO:
+ p2p = true;
+ internal_type = NL80211_IFTYPE_AP;
+ break;
+ default:
+ return -EBUSY;
+ }
+
+ ret = ieee80211_check_concurrent_iface(sdata, internal_type);
+ if (ret)
+ return ret;
+
+ ieee80211_do_stop(sdata, false);
+
+ ieee80211_teardown_sdata(sdata->dev);
+
+ ret = drv_change_interface(local, sdata, internal_type, p2p);
+ if (ret)
+ type = sdata->vif.type;
+
+ ieee80211_setup_sdata(sdata, type);
+
+ err = ieee80211_do_open(sdata->dev, false);
+ WARN(err, "type change: do_open returned %d", err);
+
+ return ret;
+}
+
int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata,
enum nl80211_iftype type)
{
+ int ret;
+
ASSERT_RTNL();
- if (type == sdata->vif.type)
+ if (type == ieee80211_vif_type_p2p(&sdata->vif))
return 0;
/* Setting ad-hoc mode on non-IBSS channel is not supported. */
type == NL80211_IFTYPE_ADHOC)
return -EOPNOTSUPP;
- /*
- * We could, here, on changes between IBSS/STA/MESH modes,
- * invoke an MLME function instead that disassociates etc.
- * and goes into the requested mode.
- */
-
- if (ieee80211_sdata_running(sdata))
- return -EBUSY;
-
- /* Purge and reset type-dependent state. */
- ieee80211_teardown_sdata(sdata->dev);
- ieee80211_setup_sdata(sdata, type);
+ if (ieee80211_sdata_running(sdata)) {
+ ret = ieee80211_runtime_change_iftype(sdata, type);
+ if (ret)
+ return ret;
+ } else {
+ /* Purge and reset type-dependent state. */
+ ieee80211_teardown_sdata(sdata->dev);
+ ieee80211_setup_sdata(sdata, type);
+ }
/* reset some values that shouldn't be kept across type changes */
sdata->vif.bss_conf.basic_rates =
if (ret)
goto fail;
- if (ieee80211_vif_is_mesh(&sdata->vif) &&
- params && params->mesh_id_len)
- ieee80211_sdata_set_mesh_id(sdata,
- params->mesh_id_len,
- params->mesh_id);
-
mutex_lock(&local->iflist_mtx);
list_add_tail_rcu(&sdata->list, &local->interfaces);
mutex_unlock(&local->iflist_mtx);
}
mutex_unlock(&local->iflist_mtx);
unregister_netdevice_many(&unreg_list);
+ list_del(&unreg_list);
}
static u32 ieee80211_idle_off(struct ieee80211_local *local,
return 0;
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- printk(KERN_DEBUG "%s: device no longer idle - %s\n",
- wiphy_name(local->hw.wiphy), reason);
+ wiphy_debug(local->hw.wiphy, "device no longer idle - %s\n", reason);
#endif
local->hw.conf.flags &= ~IEEE80211_CONF_IDLE;
return 0;
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- printk(KERN_DEBUG "%s: device now idle\n",
- wiphy_name(local->hw.wiphy));
+ wiphy_debug(local->hw.wiphy, "device now idle\n");
#endif
drv_flush(local, false);
{
struct ieee80211_sub_if_data *sdata;
int count = 0;
+ bool working = false, scanning = false, hw_roc = false;
+ struct ieee80211_work *wk;
+ unsigned int led_trig_start = 0, led_trig_stop = 0;
- if (!list_empty(&local->work_list))
- return ieee80211_idle_off(local, "working");
-
- if (local->scanning)
- return ieee80211_idle_off(local, "scanning");
+#ifdef CONFIG_PROVE_LOCKING
+ WARN_ON(debug_locks && !lockdep_rtnl_is_held() &&
+ !lockdep_is_held(&local->iflist_mtx));
+#endif
+ lockdep_assert_held(&local->mtx);
list_for_each_entry(sdata, &local->interfaces, list) {
- if (!ieee80211_sdata_running(sdata))
+ if (!ieee80211_sdata_running(sdata)) {
+ sdata->vif.bss_conf.idle = true;
continue;
+ }
+
+ sdata->old_idle = sdata->vif.bss_conf.idle;
+
/* do not count disabled managed interfaces */
if (sdata->vif.type == NL80211_IFTYPE_STATION &&
- !sdata->u.mgd.associated)
+ !sdata->u.mgd.associated) {
+ sdata->vif.bss_conf.idle = true;
continue;
+ }
/* do not count unused IBSS interfaces */
if (sdata->vif.type == NL80211_IFTYPE_ADHOC &&
- !sdata->u.ibss.ssid_len)
+ !sdata->u.ibss.ssid_len) {
+ sdata->vif.bss_conf.idle = true;
continue;
+ }
/* count everything else */
count++;
}
+ list_for_each_entry(wk, &local->work_list, list) {
+ working = true;
+ wk->sdata->vif.bss_conf.idle = false;
+ }
+
+ if (local->scan_sdata) {
+ scanning = true;
+ local->scan_sdata->vif.bss_conf.idle = false;
+ }
+
+ if (local->hw_roc_channel)
+ hw_roc = true;
+
+ list_for_each_entry(sdata, &local->interfaces, list) {
+ if (sdata->old_idle == sdata->vif.bss_conf.idle)
+ continue;
+ if (!ieee80211_sdata_running(sdata))
+ continue;
+ ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_IDLE);
+ }
+
+ if (working || scanning || hw_roc)
+ led_trig_start |= IEEE80211_TPT_LEDTRIG_FL_WORK;
+ else
+ led_trig_stop |= IEEE80211_TPT_LEDTRIG_FL_WORK;
+
+ if (count)
+ led_trig_start |= IEEE80211_TPT_LEDTRIG_FL_CONNECTED;
+ else
+ led_trig_stop |= IEEE80211_TPT_LEDTRIG_FL_CONNECTED;
+
+ ieee80211_mod_tpt_led_trig(local, led_trig_start, led_trig_stop);
+
+ if (hw_roc)
+ return ieee80211_idle_off(local, "hw remain-on-channel");
+ if (working)
+ return ieee80211_idle_off(local, "working");
+ if (scanning)
+ return ieee80211_idle_off(local, "scanning");
if (!count)
return ieee80211_idle_on(local);
else