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Diffstat (limited to 'net/mac80211/iface.c')
-rw-r--r--net/mac80211/iface.c117
1 files changed, 94 insertions, 23 deletions
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 91e8e1bacaaa..b7c8a4484298 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -20,6 +20,7 @@
#include "debugfs_netdev.h"
#include "mesh.h"
#include "led.h"
+#include "driver-ops.h"
/**
* DOC: Interface list locking
@@ -164,14 +165,12 @@ static int ieee80211_open(struct net_device *dev)
}
if (local->open_count == 0) {
- res = 0;
- if (local->ops->start)
- res = local->ops->start(local_to_hw(local));
+ res = drv_start(local);
if (res)
goto err_del_bss;
/* we're brought up, everything changes */
hw_reconf_flags = ~0;
- ieee80211_led_radio(local, local->hw.conf.radio_enabled);
+ ieee80211_led_radio(local, true);
}
/*
@@ -199,8 +198,8 @@ static int ieee80211_open(struct net_device *dev)
* Validate the MAC address for this device.
*/
if (!is_valid_ether_addr(dev->dev_addr)) {
- if (!local->open_count && local->ops->stop)
- local->ops->stop(local_to_hw(local));
+ if (!local->open_count)
+ drv_stop(local);
return -EADDRNOTAVAIL;
}
@@ -235,17 +234,13 @@ static int ieee80211_open(struct net_device *dev)
netif_addr_unlock_bh(local->mdev);
break;
case NL80211_IFTYPE_STATION:
- case NL80211_IFTYPE_ADHOC:
- if (sdata->vif.type == NL80211_IFTYPE_STATION)
- sdata->u.mgd.flags &= ~IEEE80211_STA_PREV_BSSID_SET;
- else
- sdata->u.ibss.flags &= ~IEEE80211_IBSS_PREV_BSSID_SET;
+ sdata->u.mgd.flags &= ~IEEE80211_STA_PREV_BSSID_SET;
/* fall through */
default:
conf.vif = &sdata->vif;
conf.type = sdata->vif.type;
conf.mac_addr = dev->dev_addr;
- res = local->ops->add_interface(local_to_hw(local), &conf);
+ res = drv_add_interface(local, &conf);
if (res)
goto err_stop;
@@ -306,6 +301,8 @@ static int ieee80211_open(struct net_device *dev)
if (sdata->flags & IEEE80211_SDATA_PROMISC)
atomic_inc(&local->iff_promiscs);
+ hw_reconf_flags |= __ieee80211_recalc_idle(local);
+
local->open_count++;
if (hw_reconf_flags) {
ieee80211_hw_config(local, hw_reconf_flags);
@@ -317,6 +314,8 @@ static int ieee80211_open(struct net_device *dev)
ieee80211_set_wmm_default(sdata);
}
+ ieee80211_recalc_ps(local, -1);
+
/*
* ieee80211_sta_work is disabled while network interface
* is down. Therefore, some configuration changes may not
@@ -325,17 +324,15 @@ static int ieee80211_open(struct net_device *dev)
*/
if (sdata->vif.type == NL80211_IFTYPE_STATION)
queue_work(local->hw.workqueue, &sdata->u.mgd.work);
- else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
- queue_work(local->hw.workqueue, &sdata->u.ibss.work);
netif_tx_start_all_queues(dev);
return 0;
err_del_interface:
- local->ops->remove_interface(local_to_hw(local), &conf);
+ drv_remove_interface(local, &conf);
err_stop:
- if (!local->open_count && local->ops->stop)
- local->ops->stop(local_to_hw(local));
+ if (!local->open_count)
+ drv_stop(local);
err_del_bss:
sdata->bss = NULL;
if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
@@ -497,7 +494,6 @@ static int ieee80211_stop(struct net_device *dev)
/* fall through */
case NL80211_IFTYPE_ADHOC:
if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
- memset(sdata->u.ibss.bssid, 0, ETH_ALEN);
del_timer_sync(&sdata->u.ibss.timer);
cancel_work_sync(&sdata->u.ibss.work);
synchronize_rcu();
@@ -549,19 +545,22 @@ static int ieee80211_stop(struct net_device *dev)
conf.mac_addr = dev->dev_addr;
/* disable all keys for as long as this netdev is down */
ieee80211_disable_keys(sdata);
- local->ops->remove_interface(local_to_hw(local), &conf);
+ drv_remove_interface(local, &conf);
}
sdata->bss = NULL;
+ hw_reconf_flags |= __ieee80211_recalc_idle(local);
+
+ ieee80211_recalc_ps(local, -1);
+
if (local->open_count == 0) {
if (netif_running(local->mdev))
dev_close(local->mdev);
- if (local->ops->stop)
- local->ops->stop(local_to_hw(local));
+ drv_stop(local);
- ieee80211_led_radio(local, 0);
+ ieee80211_led_radio(local, false);
flush_workqueue(local->hw.workqueue);
@@ -649,7 +648,8 @@ static void ieee80211_teardown_sdata(struct net_device *dev)
mesh_rmc_free(sdata);
break;
case NL80211_IFTYPE_ADHOC:
- kfree_skb(sdata->u.ibss.probe_resp);
+ if (WARN_ON(sdata->u.ibss.presp))
+ kfree_skb(sdata->u.ibss.presp);
break;
case NL80211_IFTYPE_STATION:
kfree(sdata->u.mgd.extra_ie);
@@ -896,3 +896,74 @@ void ieee80211_remove_interfaces(struct ieee80211_local *local)
unregister_netdevice(sdata->dev);
}
}
+
+static u32 ieee80211_idle_off(struct ieee80211_local *local,
+ const char *reason)
+{
+ if (!(local->hw.conf.flags & IEEE80211_CONF_IDLE))
+ return 0;
+
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+ printk(KERN_DEBUG "%s: device no longer idle - %s\n",
+ wiphy_name(local->hw.wiphy), reason);
+#endif
+
+ local->hw.conf.flags &= ~IEEE80211_CONF_IDLE;
+ return IEEE80211_CONF_CHANGE_IDLE;
+}
+
+static u32 ieee80211_idle_on(struct ieee80211_local *local)
+{
+ if (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));
+#endif
+
+ local->hw.conf.flags |= IEEE80211_CONF_IDLE;
+ return IEEE80211_CONF_CHANGE_IDLE;
+}
+
+u32 __ieee80211_recalc_idle(struct ieee80211_local *local)
+{
+ struct ieee80211_sub_if_data *sdata;
+ int count = 0;
+
+ if (local->hw_scanning || local->sw_scanning)
+ return ieee80211_idle_off(local, "scanning");
+
+ list_for_each_entry(sdata, &local->interfaces, list) {
+ if (!netif_running(sdata->dev))
+ continue;
+ /* do not count disabled managed interfaces */
+ if (sdata->vif.type == NL80211_IFTYPE_STATION &&
+ sdata->u.mgd.state == IEEE80211_STA_MLME_DISABLED)
+ continue;
+ /* do not count unused IBSS interfaces */
+ if (sdata->vif.type == NL80211_IFTYPE_ADHOC &&
+ !sdata->u.ibss.ssid_len)
+ continue;
+ /* count everything else */
+ count++;
+ }
+
+ if (!count)
+ return ieee80211_idle_on(local);
+ else
+ return ieee80211_idle_off(local, "in use");
+
+ return 0;
+}
+
+void ieee80211_recalc_idle(struct ieee80211_local *local)
+{
+ u32 chg;
+
+ mutex_lock(&local->iflist_mtx);
+ chg = __ieee80211_recalc_idle(local);
+ mutex_unlock(&local->iflist_mtx);
+ if (chg)
+ ieee80211_hw_config(local, chg);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-27 22:20:53 +0100