summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--net/mac80211/cfg.c2
-rw-r--r--net/mac80211/debugfs_netdev.c34
-rw-r--r--net/mac80211/ieee80211_i.h41
-rw-r--r--net/mac80211/iface.c64
-rw-r--r--net/mac80211/main.c96
-rw-r--r--net/mac80211/mlme.c56
-rw-r--r--net/mac80211/rc80211_pid_algo.c8
-rw-r--r--net/mac80211/rx.c15
-rw-r--r--net/mac80211/sta_info.c29
-rw-r--r--net/mac80211/tx.c11
-rw-r--r--net/mac80211/util.c4
-rw-r--r--net/mac80211/wext.c10
12 files changed, 153 insertions, 217 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 8108728..3c95cd9 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -57,7 +57,7 @@ static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
if (itype == IEEE80211_IF_TYPE_INVALID)
return -EINVAL;
- err = ieee80211_if_add(local->mdev, name, &dev, itype, params);
+ err = ieee80211_if_add(local, name, &dev, itype, params);
if (err || itype != IEEE80211_IF_TYPE_MNTR || !flags)
return err;
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index b2089b2..4aa6621 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -156,6 +156,8 @@ static const struct file_operations name##_ops = { \
/* common attributes */
IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC);
+IEEE80211_IF_FILE(force_unicast_rateidx, force_unicast_rateidx, DEC);
+IEEE80211_IF_FILE(max_ratectrl_rateidx, max_ratectrl_rateidx, DEC);
/* STA/IBSS attributes */
IEEE80211_IF_FILE(state, u.sta.state, DEC);
@@ -191,8 +193,6 @@ __IEEE80211_IF_FILE(flags);
IEEE80211_IF_FILE(num_sta_ps, u.ap.num_sta_ps, ATOMIC);
IEEE80211_IF_FILE(dtim_count, u.ap.dtim_count, DEC);
IEEE80211_IF_FILE(num_beacons, u.ap.num_beacons, DEC);
-IEEE80211_IF_FILE(force_unicast_rateidx, u.ap.force_unicast_rateidx, DEC);
-IEEE80211_IF_FILE(max_ratectrl_rateidx, u.ap.max_ratectrl_rateidx, DEC);
static ssize_t ieee80211_if_fmt_num_buffered_multicast(
const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
@@ -248,6 +248,9 @@ IEEE80211_IF_WFILE(min_discovery_timeout,
static void add_sta_files(struct ieee80211_sub_if_data *sdata)
{
DEBUGFS_ADD(drop_unencrypted, sta);
+ DEBUGFS_ADD(force_unicast_rateidx, ap);
+ DEBUGFS_ADD(max_ratectrl_rateidx, ap);
+
DEBUGFS_ADD(state, sta);
DEBUGFS_ADD(bssid, sta);
DEBUGFS_ADD(prev_bssid, sta);
@@ -268,23 +271,29 @@ static void add_sta_files(struct ieee80211_sub_if_data *sdata)
static void add_ap_files(struct ieee80211_sub_if_data *sdata)
{
DEBUGFS_ADD(drop_unencrypted, ap);
+ DEBUGFS_ADD(force_unicast_rateidx, ap);
+ DEBUGFS_ADD(max_ratectrl_rateidx, ap);
+
DEBUGFS_ADD(num_sta_ps, ap);
DEBUGFS_ADD(dtim_count, ap);
DEBUGFS_ADD(num_beacons, ap);
- DEBUGFS_ADD(force_unicast_rateidx, ap);
- DEBUGFS_ADD(max_ratectrl_rateidx, ap);
DEBUGFS_ADD(num_buffered_multicast, ap);
}
static void add_wds_files(struct ieee80211_sub_if_data *sdata)
{
DEBUGFS_ADD(drop_unencrypted, wds);
+ DEBUGFS_ADD(force_unicast_rateidx, ap);
+ DEBUGFS_ADD(max_ratectrl_rateidx, ap);
+
DEBUGFS_ADD(peer, wds);
}
static void add_vlan_files(struct ieee80211_sub_if_data *sdata)
{
DEBUGFS_ADD(drop_unencrypted, vlan);
+ DEBUGFS_ADD(force_unicast_rateidx, ap);
+ DEBUGFS_ADD(max_ratectrl_rateidx, ap);
}
static void add_monitor_files(struct ieee80211_sub_if_data *sdata)
@@ -372,6 +381,9 @@ static void add_files(struct ieee80211_sub_if_data *sdata)
static void del_sta_files(struct ieee80211_sub_if_data *sdata)
{
DEBUGFS_DEL(drop_unencrypted, sta);
+ DEBUGFS_DEL(force_unicast_rateidx, ap);
+ DEBUGFS_DEL(max_ratectrl_rateidx, ap);
+
DEBUGFS_DEL(state, sta);
DEBUGFS_DEL(bssid, sta);
DEBUGFS_DEL(prev_bssid, sta);
@@ -392,23 +404,29 @@ static void del_sta_files(struct ieee80211_sub_if_data *sdata)
static void del_ap_files(struct ieee80211_sub_if_data *sdata)
{
DEBUGFS_DEL(drop_unencrypted, ap);
+ DEBUGFS_DEL(force_unicast_rateidx, ap);
+ DEBUGFS_DEL(max_ratectrl_rateidx, ap);
+
DEBUGFS_DEL(num_sta_ps, ap);
DEBUGFS_DEL(dtim_count, ap);
DEBUGFS_DEL(num_beacons, ap);
- DEBUGFS_DEL(force_unicast_rateidx, ap);
- DEBUGFS_DEL(max_ratectrl_rateidx, ap);
DEBUGFS_DEL(num_buffered_multicast, ap);
}
static void del_wds_files(struct ieee80211_sub_if_data *sdata)
{
DEBUGFS_DEL(drop_unencrypted, wds);
+ DEBUGFS_DEL(force_unicast_rateidx, ap);
+ DEBUGFS_DEL(max_ratectrl_rateidx, ap);
+
DEBUGFS_DEL(peer, wds);
}
static void del_vlan_files(struct ieee80211_sub_if_data *sdata)
{
DEBUGFS_DEL(drop_unencrypted, vlan);
+ DEBUGFS_DEL(force_unicast_rateidx, ap);
+ DEBUGFS_DEL(max_ratectrl_rateidx, ap);
}
static void del_monitor_files(struct ieee80211_sub_if_data *sdata)
@@ -525,7 +543,7 @@ static int netdev_notify(struct notifier_block *nb,
{
struct net_device *dev = ndev;
struct dentry *dir;
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_sub_if_data *sdata;
char buf[10+IFNAMSIZ];
if (state != NETDEV_CHANGENAME)
@@ -537,6 +555,8 @@ static int netdev_notify(struct notifier_block *nb,
if (dev->ieee80211_ptr->wiphy->privid != mac80211_wiphy_privid)
return 0;
+ sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
sprintf(buf, "netdev:%s", dev->name);
dir = sdata->debugfsdir;
if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf))
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 02a8753..1b1fc53 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -237,8 +237,6 @@ struct ieee80211_if_ap {
struct sk_buff_head ps_bc_buf;
atomic_t num_sta_ps; /* number of stations in PS mode */
int dtim_count;
- int force_unicast_rateidx; /* forced TX rateidx for unicast frames */
- int max_ratectrl_rateidx; /* max TX rateidx for rate control */
int num_beacons; /* number of TXed beacon frames for this BSS */
};
@@ -248,7 +246,6 @@ struct ieee80211_if_wds {
};
struct ieee80211_if_vlan {
- struct ieee80211_sub_if_data *ap;
struct list_head list;
};
@@ -432,16 +429,18 @@ struct ieee80211_sub_if_data {
struct ieee80211_key *keys[NUM_DEFAULT_KEYS];
struct ieee80211_key *default_key;
+ /* BSS configuration for this interface. */
+ struct ieee80211_bss_conf bss_conf;
+
/*
- * BSS configuration for this interface.
- *
- * FIXME: I feel bad putting this here when we already have a
- * bss pointer, but the bss pointer is just wrong when
- * you have multiple virtual STA mode interfaces...
- * This needs to be fixed.
+ * AP this belongs to: self in AP mode and
+ * corresponding AP in VLAN mode, NULL for
+ * all others (might be needed later in IBSS)
*/
- struct ieee80211_bss_conf bss_conf;
- struct ieee80211_if_ap *bss; /* BSS that this device belongs to */
+ struct ieee80211_if_ap *bss;
+
+ int force_unicast_rateidx; /* forced TX rateidx for unicast frames */
+ int max_ratectrl_rateidx; /* max TX rateidx for rate control */
union {
struct ieee80211_if_ap ap;
@@ -533,8 +532,6 @@ struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p)
return container_of(p, struct ieee80211_sub_if_data, vif);
}
-#define IEEE80211_DEV_TO_SUB_IF(dev) netdev_priv(dev)
-
enum {
IEEE80211_RX_MSG = 1,
IEEE80211_TX_STATUS_MSG = 2,
@@ -760,6 +757,16 @@ static inline int ieee80211_is_multiqueue(struct ieee80211_local *local)
#endif
}
+static inline struct ieee80211_sub_if_data *
+IEEE80211_DEV_TO_SUB_IF(struct net_device *dev)
+{
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+
+ BUG_ON(!local || local->mdev == dev);
+
+ return netdev_priv(dev);
+}
+
/* this struct represents 802.11n's RA/TID combination */
struct ieee80211_ra_tid {
u8 ra[ETH_ALEN];
@@ -883,8 +890,8 @@ int ieee80211_sta_scan_results(struct net_device *dev,
ieee80211_rx_result ieee80211_sta_rx_scan(
struct net_device *dev, struct sk_buff *skb,
struct ieee80211_rx_status *rx_status);
-void ieee80211_rx_bss_list_init(struct net_device *dev);
-void ieee80211_rx_bss_list_deinit(struct net_device *dev);
+void ieee80211_rx_bss_list_init(struct ieee80211_local *local);
+void ieee80211_rx_bss_list_deinit(struct ieee80211_local *local);
int ieee80211_sta_set_extra_ie(struct net_device *dev, char *ie, size_t len);
struct sta_info *ieee80211_ibss_add_sta(struct net_device *dev,
struct sk_buff *skb, u8 *bssid,
@@ -925,8 +932,8 @@ static inline void ieee80211_start_mesh(struct net_device *dev)
{}
#endif
-/* ieee80211_iface.c */
-int ieee80211_if_add(struct net_device *dev, const char *name,
+/* interface handling */
+int ieee80211_if_add(struct ieee80211_local *local, const char *name,
struct net_device **new_dev, int type,
struct vif_params *params);
void ieee80211_if_set_type(struct net_device *dev, int type);
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index eeb1692..f2aefd4 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -27,6 +27,9 @@ void ieee80211_if_sdata_init(struct ieee80211_sub_if_data *sdata)
skb_queue_head_init(&sdata->fragments[i].skb_list);
INIT_LIST_HEAD(&sdata->key_list);
+
+ sdata->force_unicast_rateidx = -1;
+ sdata->max_ratectrl_rateidx = -1;
}
static void ieee80211_if_sdata_deinit(struct ieee80211_sub_if_data *sdata)
@@ -38,12 +41,11 @@ static void ieee80211_if_sdata_deinit(struct ieee80211_sub_if_data *sdata)
}
/* Must be called with rtnl lock held. */
-int ieee80211_if_add(struct net_device *dev, const char *name,
+int ieee80211_if_add(struct ieee80211_local *local, const char *name,
struct net_device **new_dev, int type,
struct vif_params *params)
{
struct net_device *ndev;
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
struct ieee80211_sub_if_data *sdata = NULL;
int ret;
@@ -67,13 +69,10 @@ int ieee80211_if_add(struct net_device *dev, const char *name,
goto fail;
memcpy(ndev->dev_addr, local->hw.wiphy->perm_addr, ETH_ALEN);
- ndev->base_addr = dev->base_addr;
- ndev->irq = dev->irq;
- ndev->mem_start = dev->mem_start;
- ndev->mem_end = dev->mem_end;
SET_NETDEV_DEV(ndev, wiphy_dev(local->hw.wiphy));
- sdata = IEEE80211_DEV_TO_SUB_IF(ndev);
+ /* don't use IEEE80211_DEV_TO_SUB_IF because it checks too much */
+ sdata = netdev_priv(ndev);
ndev->ieee80211_ptr = &sdata->wdev;
sdata->wdev.wiphy = local->hw.wiphy;
sdata->vif.type = IEEE80211_IF_TYPE_AP;
@@ -117,14 +116,6 @@ void ieee80211_if_set_type(struct net_device *dev, int type)
int oldtype = sdata->vif.type;
/*
- * We need to call this function on the master interface
- * which already has a hard_start_xmit routine assigned
- * which must not be changed.
- */
- if (dev != sdata->local->mdev)
- dev->hard_start_xmit = ieee80211_subif_start_xmit;
-
- /*
* Called even when register_netdevice fails, it would
* oops if assigned before initialising the rest.
*/
@@ -138,22 +129,16 @@ void ieee80211_if_set_type(struct net_device *dev, int type)
switch (type) {
case IEEE80211_IF_TYPE_WDS:
- /* nothing special */
- break;
case IEEE80211_IF_TYPE_VLAN:
- sdata->u.vlan.ap = NULL;
+ /* nothing special */
break;
case IEEE80211_IF_TYPE_AP:
- sdata->u.ap.force_unicast_rateidx = -1;
- sdata->u.ap.max_ratectrl_rateidx = -1;
skb_queue_head_init(&sdata->u.ap.ps_bc_buf);
- sdata->bss = &sdata->u.ap;
INIT_LIST_HEAD(&sdata->u.ap.vlans);
break;
case IEEE80211_IF_TYPE_MESH_POINT:
case IEEE80211_IF_TYPE_STA:
case IEEE80211_IF_TYPE_IBSS: {
- struct ieee80211_sub_if_data *msdata;
struct ieee80211_if_sta *ifsta;
ifsta = &sdata->u.sta;
@@ -171,9 +156,6 @@ void ieee80211_if_set_type(struct net_device *dev, int type)
if (ieee80211_num_regular_queues(&sdata->local->hw) >= 4)
ifsta->flags |= IEEE80211_STA_WMM_ENABLED;
- msdata = IEEE80211_DEV_TO_SUB_IF(sdata->local->mdev);
- sdata->bss = &msdata->u.ap;
-
if (ieee80211_vif_is_mesh(&sdata->vif))
ieee80211_mesh_init_sdata(sdata);
break;
@@ -215,27 +197,8 @@ void ieee80211_if_reinit(struct net_device *dev)
WARN_ON(1);
break;
case IEEE80211_IF_TYPE_AP: {
- /* Remove all virtual interfaces that use this BSS
- * as their sdata->bss */
- struct ieee80211_sub_if_data *tsdata, *n;
struct beacon_data *beacon;
- list_for_each_entry_safe(tsdata, n, &local->interfaces, list) {
- if (tsdata != sdata && tsdata->bss == &sdata->u.ap) {
- printk(KERN_DEBUG "%s: removing virtual "
- "interface %s because its BSS interface"
- " is being removed\n",
- sdata->dev->name, tsdata->dev->name);
- list_del_rcu(&tsdata->list);
- /*
- * We have lots of time and can afford
- * to sync for each interface
- */
- synchronize_rcu();
- __ieee80211_if_del(local, tsdata);
- }
- }
-
beacon = sdata->u.ap.beacon;
rcu_assign_pointer(sdata->u.ap.beacon, NULL);
synchronize_rcu();
@@ -249,6 +212,7 @@ void ieee80211_if_reinit(struct net_device *dev)
break;
}
case IEEE80211_IF_TYPE_WDS:
+ case IEEE80211_IF_TYPE_VLAN:
/* nothing to do */
break;
case IEEE80211_IF_TYPE_MESH_POINT:
@@ -269,9 +233,6 @@ void ieee80211_if_reinit(struct net_device *dev)
case IEEE80211_IF_TYPE_MNTR:
dev->type = ARPHRD_ETHER;
break;
- case IEEE80211_IF_TYPE_VLAN:
- sdata->u.vlan.ap = NULL;
- break;
}
flushed = sta_info_flush(local, sdata);
@@ -289,8 +250,10 @@ void __ieee80211_if_del(struct ieee80211_local *local,
ieee80211_debugfs_remove_netdev(sdata);
unregister_netdevice(dev);
- /* Except master interface, the net_device will be freed by
- * net_device->destructor (i. e. ieee80211_if_free). */
+ /*
+ * The net_device will be freed by its destructor,
+ * i.e. ieee80211_if_free.
+ */
}
/* Must be called with rtnl lock held. */
@@ -303,8 +266,7 @@ int ieee80211_if_remove(struct net_device *dev, const char *name, int id)
list_for_each_entry_safe(sdata, n, &local->interfaces, list) {
if ((sdata->vif.type == id || id == -1) &&
- strcmp(name, sdata->dev->name) == 0 &&
- sdata->dev != local->mdev) {
+ strcmp(name, sdata->dev->name) == 0) {
list_del_rcu(&sdata->list);
synchronize_rcu();
__ieee80211_if_del(local, sdata);
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 1c4d3ba..8639239 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -105,7 +105,7 @@ static int ieee80211_master_open(struct net_device *dev)
/* we hold the RTNL here so can safely walk the list */
list_for_each_entry(sdata, &local->interfaces, list) {
- if (sdata->dev != dev && netif_running(sdata->dev)) {
+ if (netif_running(sdata->dev)) {
res = 0;
break;
}
@@ -126,7 +126,7 @@ static int ieee80211_master_stop(struct net_device *dev)
/* we hold the RTNL here so can safely walk the list */
list_for_each_entry(sdata, &local->interfaces, list)
- if (sdata->dev != dev && netif_running(sdata->dev))
+ if (netif_running(sdata->dev))
dev_close(sdata->dev);
return 0;
@@ -194,7 +194,7 @@ static int ieee80211_open(struct net_device *dev)
list_for_each_entry(nsdata, &local->interfaces, list) {
struct net_device *ndev = nsdata->dev;
- if (ndev != dev && ndev != local->mdev && netif_running(ndev)) {
+ if (ndev != dev && netif_running(ndev)) {
/*
* Allow only a single IBSS interface to be up at any
* time. This is restricted because beacon distribution
@@ -210,30 +210,6 @@ static int ieee80211_open(struct net_device *dev)
return -EBUSY;
/*
- * Disallow multiple IBSS/STA mode interfaces.
- *
- * This is a technical restriction, it is possible although
- * most likely not IEEE 802.11 compliant to have multiple
- * STAs with just a single hardware (the TSF timer will not
- * be adjusted properly.)
- *
- * However, because mac80211 uses the master device's BSS
- * information for each STA/IBSS interface, doing this will
- * currently corrupt that BSS information completely, unless,
- * a not very useful case, both STAs are associated to the
- * same BSS.
- *
- * To remove this restriction, the BSS information needs to
- * be embedded in the STA/IBSS mode sdata instead of using
- * the master device's BSS structure.
- */
- if ((sdata->vif.type == IEEE80211_IF_TYPE_STA ||
- sdata->vif.type == IEEE80211_IF_TYPE_IBSS) &&
- (nsdata->vif.type == IEEE80211_IF_TYPE_STA ||
- nsdata->vif.type == IEEE80211_IF_TYPE_IBSS))
- return -EBUSY;
-
- /*
* The remaining checks are only performed for interfaces
* with the same MAC address.
*/
@@ -252,7 +228,7 @@ static int ieee80211_open(struct net_device *dev)
*/
if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN &&
nsdata->vif.type == IEEE80211_IF_TYPE_AP)
- sdata->u.vlan.ap = nsdata;
+ sdata->bss = &nsdata->u.ap;
}
}
@@ -262,10 +238,13 @@ static int ieee80211_open(struct net_device *dev)
return -ENOLINK;
break;
case IEEE80211_IF_TYPE_VLAN:
- if (!sdata->u.vlan.ap)
+ if (!sdata->bss)
return -ENOLINK;
+ list_add(&sdata->u.vlan.list, &sdata->bss->vlans);
break;
case IEEE80211_IF_TYPE_AP:
+ sdata->bss = &sdata->u.ap;
+ break;
case IEEE80211_IF_TYPE_STA:
case IEEE80211_IF_TYPE_MNTR:
case IEEE80211_IF_TYPE_IBSS:
@@ -283,14 +262,13 @@ static int ieee80211_open(struct net_device *dev)
if (local->ops->start)
res = local->ops->start(local_to_hw(local));
if (res)
- return res;
+ goto err_del_bss;
need_hw_reconfig = 1;
ieee80211_led_radio(local, local->hw.conf.radio_enabled);
}
switch (sdata->vif.type) {
case IEEE80211_IF_TYPE_VLAN:
- list_add(&sdata->u.vlan.list, &sdata->u.vlan.ap->u.ap.vlans);
/* no need to tell driver */
break;
case IEEE80211_IF_TYPE_MNTR:
@@ -404,6 +382,10 @@ static int ieee80211_open(struct net_device *dev)
err_stop:
if (!local->open_count && local->ops->stop)
local->ops->stop(local_to_hw(local));
+ err_del_bss:
+ sdata->bss = NULL;
+ if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN)
+ list_del(&sdata->u.vlan.list);
return res;
}
@@ -486,7 +468,6 @@ static int ieee80211_stop(struct net_device *dev)
switch (sdata->vif.type) {
case IEEE80211_IF_TYPE_VLAN:
list_del(&sdata->u.vlan.list);
- sdata->u.vlan.ap = NULL;
/* no need to tell driver */
break;
case IEEE80211_IF_TYPE_MNTR:
@@ -549,6 +530,8 @@ static int ieee80211_stop(struct net_device *dev)
local->ops->remove_interface(local_to_hw(local), &conf);
}
+ sdata->bss = NULL;
+
if (local->open_count == 0) {
if (netif_running(local->mdev))
dev_close(local->mdev);
@@ -1659,7 +1642,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
int result;
enum ieee80211_band band;
struct net_device *mdev;
- struct ieee80211_sub_if_data *sdata;
+ struct wireless_dev *mwdev;
/*
* generic code guarantees at least one band,
@@ -1699,8 +1682,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
hw->ampdu_queues = 0;
#endif
- /* for now, mdev needs sub_if_data :/ */
- mdev = alloc_netdev_mq(sizeof(struct ieee80211_sub_if_data),
+ mdev = alloc_netdev_mq(sizeof(struct wireless_dev),
"wmaster%d", ether_setup,
ieee80211_num_queues(hw));
if (!mdev)
@@ -1709,13 +1691,13 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
if (ieee80211_num_queues(hw) > 1)
mdev->features |= NETIF_F_MULTI_QUEUE;
- sdata = IEEE80211_DEV_TO_SUB_IF(mdev);
- mdev->ieee80211_ptr = &sdata->wdev;
- sdata->wdev.wiphy = local->hw.wiphy;
+ mwdev = netdev_priv(mdev);
+ mdev->ieee80211_ptr = mwdev;
+ mwdev->wiphy = local->hw.wiphy;
local->mdev = mdev;
- ieee80211_rx_bss_list_init(mdev);
+ ieee80211_rx_bss_list_init(local);
mdev->hard_start_xmit = ieee80211_master_start_xmit;
mdev->open = ieee80211_master_open;
@@ -1724,16 +1706,6 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
mdev->header_ops = &ieee80211_header_ops;
mdev->set_multicast_list = ieee80211_master_set_multicast_list;
- sdata->vif.type = IEEE80211_IF_TYPE_AP;
- sdata->dev = mdev;
- sdata->local = local;
- sdata->u.ap.force_unicast_rateidx = -1;
- sdata->u.ap.max_ratectrl_rateidx = -1;
- ieee80211_if_sdata_init(sdata);
-
- /* no RCU needed since we're still during init phase */
- list_add_tail(&sdata->list, &local->interfaces);
-
name = wiphy_dev(local->hw.wiphy)->driver->name;
local->hw.workqueue = create_freezeable_workqueue(name);
if (!local->hw.workqueue) {
@@ -1779,9 +1751,6 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
if (result < 0)
goto fail_dev;
- ieee80211_debugfs_add_netdev(IEEE80211_DEV_TO_SUB_IF(local->mdev));
- ieee80211_if_set_type(local->mdev, IEEE80211_IF_TYPE_AP);
-
result = ieee80211_init_rate_ctrl_alg(local,
hw->rate_control_algorithm);
if (result < 0) {
@@ -1801,7 +1770,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
ieee80211_install_qdisc(local->mdev);
/* add one default STA interface */
- result = ieee80211_if_add(local->mdev, "wlan%d", NULL,
+ result = ieee80211_if_add(local, "wlan%d", NULL,
IEEE80211_IF_TYPE_STA, NULL);
if (result)
printk(KERN_WARNING "%s: Failed to add default virtual iface\n",
@@ -1817,7 +1786,6 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
fail_wep:
rate_control_deinitialize(local);
fail_rate:
- ieee80211_debugfs_remove_netdev(IEEE80211_DEV_TO_SUB_IF(local->mdev));
unregister_netdevice(local->mdev);
local->mdev = NULL;
fail_dev:
@@ -1827,10 +1795,8 @@ fail_sta_info:
debugfs_hw_del(local);
destroy_workqueue(local->hw.workqueue);
fail_workqueue:
- if (local->mdev != NULL) {
- ieee80211_if_free(local->mdev);
- local->mdev = NULL;
- }
+ if (local->mdev)
+ free_netdev(local->mdev);
fail_mdev_alloc:
wiphy_unregister(local->hw.wiphy);
return result;
@@ -1858,24 +1824,19 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw)
*/
/*
- * First, we remove all non-master interfaces. Do this because they
- * may have bss pointer dependency on the master, and when we free
- * the master these would be freed as well, breaking our list
- * iteration completely.
+ * First, we remove all virtual interfaces.
*/
list_for_each_entry_safe(sdata, tmp, &local->interfaces, list) {
- if (sdata->dev == local->mdev)
- continue;
list_del(&sdata->list);
__ieee80211_if_del(local, sdata);
}
/* then, finally, remove the master interface */
- __ieee80211_if_del(local, IEEE80211_DEV_TO_SUB_IF(local->mdev));
+ unregister_netdevice(local->mdev);
rtnl_unlock();
- ieee80211_rx_bss_list_deinit(local->mdev);
+ ieee80211_rx_bss_list_deinit(local);
ieee80211_clear_tx_pending(local);
sta_info_stop(local);
rate_control_deinitialize(local);
@@ -1892,8 +1853,7 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw)
wiphy_unregister(local->hw.wiphy);
ieee80211_wep_free(local);
ieee80211_led_exit(local);
- ieee80211_if_free(local->mdev);
- local->mdev = NULL;
+ free_netdev(local->mdev);
}
EXPORT_SYMBOL(ieee80211_unregister_hw);
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index dbc8cf4..64d710a 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -78,7 +78,7 @@ static void ieee80211_send_probe_req(struct net_device *dev, u8 *dst,
static struct ieee80211_sta_bss *
ieee80211_rx_bss_get(struct net_device *dev, u8 *bssid, int freq,
u8 *ssid, u8 ssid_len);
-static void ieee80211_rx_bss_put(struct net_device *dev,
+static void ieee80211_rx_bss_put(struct ieee80211_local *local,
struct ieee80211_sta_bss *bss);
static int ieee80211_sta_find_ibss(struct net_device *dev,
struct ieee80211_if_sta *ifsta);
@@ -554,7 +554,7 @@ static void ieee80211_set_associated(struct net_device *dev,
changed |= ieee80211_handle_bss_capability(sdata, bss);
- ieee80211_rx_bss_put(dev, bss);
+ ieee80211_rx_bss_put(local, bss);
}
if (conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE) {
@@ -760,7 +760,7 @@ static void ieee80211_send_assoc(struct net_device *dev,
(local->hw.flags & IEEE80211_HW_SPECTRUM_MGMT))
capab |= WLAN_CAPABILITY_SPECTRUM_MGMT;
- ieee80211_rx_bss_put(dev, bss);
+ ieee80211_rx_bss_put(local, bss);
} else {
rates = ~0;
rates_len = sband->n_bitrates;
@@ -992,7 +992,7 @@ static int ieee80211_privacy_mismatch(struct net_device *dev,
wep_privacy = !!ieee80211_sta_wep_configured(dev);
privacy_invoked = !!(ifsta->flags & IEEE80211_STA_PRIVACY_INVOKED);
- ieee80211_rx_bss_put(dev, bss);
+ ieee80211_rx_bss_put(local, bss);
if ((bss_privacy == wep_privacy) || (bss_privacy == privacy_invoked))
return 0;
@@ -2094,7 +2094,7 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
sta->last_signal = bss->signal;
sta->last_qual = bss->qual;
sta->last_noise = bss->noise;
- ieee80211_rx_bss_put(dev, bss);
+ ieee80211_rx_bss_put(local, bss);
}
err = sta_info_insert(sta);
@@ -2212,10 +2212,9 @@ static void __ieee80211_rx_bss_hash_add(struct net_device *dev,
/* Caller must hold local->sta_bss_lock */
-static void __ieee80211_rx_bss_hash_del(struct net_device *dev,
+static void __ieee80211_rx_bss_hash_del(struct ieee80211_local *local,
struct ieee80211_sta_bss *bss)
{
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
struct ieee80211_sta_bss *b, *prev = NULL;
b = local->sta_bss_hash[STA_HASH(bss->bssid)];
while (b) {
@@ -2367,39 +2366,35 @@ static void ieee80211_rx_bss_free(struct ieee80211_sta_bss *bss)
}
-static void ieee80211_rx_bss_put(struct net_device *dev,
+static void ieee80211_rx_bss_put(struct ieee80211_local *local,
struct ieee80211_sta_bss *bss)
{
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-
local_bh_disable();
if (!atomic_dec_and_lock(&bss->users, &local->sta_bss_lock)) {
local_bh_enable();
return;
}
- __ieee80211_rx_bss_hash_del(dev, bss);
+ __ieee80211_rx_bss_hash_del(local, bss);
list_del(&bss->list);
spin_unlock_bh(&local->sta_bss_lock);
ieee80211_rx_bss_free(bss);
}
-void ieee80211_rx_bss_list_init(struct net_device *dev)
+void ieee80211_rx_bss_list_init(struct ieee80211_local *local)
{
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
spin_lock_init(&local->sta_bss_lock);
INIT_LIST_HEAD(&local->sta_bss_list);
}
-void ieee80211_rx_bss_list_deinit(struct net_device *dev)
+void ieee80211_rx_bss_list_deinit(struct ieee80211_local *local)
{
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
struct ieee80211_sta_bss *bss, *tmp;
list_for_each_entry_safe(bss, tmp, &local->sta_bss_list, list)
- ieee80211_rx_bss_put(dev, bss);
+ ieee80211_rx_bss_put(local, bss);
}
@@ -2775,7 +2770,7 @@ static void ieee80211_rx_bss_info(struct net_device *dev,
*/
if (sdata->vif.type != IEEE80211_IF_TYPE_IBSS &&
bss->probe_resp && beacon) {
- ieee80211_rx_bss_put(dev, bss);
+ ieee80211_rx_bss_put(local, bss);
return;
}
@@ -2918,7 +2913,7 @@ static void ieee80211_rx_bss_info(struct net_device *dev,
}
}
- ieee80211_rx_bss_put(dev, bss);
+ ieee80211_rx_bss_put(local, bss);
}
@@ -3578,7 +3573,7 @@ static int ieee80211_sta_config_auth(struct net_device *dev,
selected->ssid_len);
ieee80211_sta_set_bssid(dev, selected->bssid);
ieee80211_sta_def_wmm_params(dev, selected, 0);
- ieee80211_rx_bss_put(dev, selected);
+ ieee80211_rx_bss_put(local, selected);
ifsta->state = IEEE80211_AUTHENTICATE;
ieee80211_sta_reset_auth(dev, ifsta);
return 0;
@@ -3655,7 +3650,7 @@ static int ieee80211_sta_create_ibss(struct net_device *dev,
}
ret = ieee80211_sta_join_ibss(dev, ifsta, bss);
- ieee80211_rx_bss_put(dev, bss);
+ ieee80211_rx_bss_put(local, bss);
return ret;
}
@@ -3711,7 +3706,7 @@ static int ieee80211_sta_find_ibss(struct net_device *dev,
" based on configured SSID\n",
dev->name, print_mac(mac, bssid));
ret = ieee80211_sta_join_ibss(dev, ifsta, bss);
- ieee80211_rx_bss_put(dev, bss);
+ ieee80211_rx_bss_put(local, bss);
return ret;
}
#ifdef CONFIG_MAC80211_IBSS_DEBUG
@@ -3907,11 +3902,6 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw)
rcu_read_lock();
list_for_each_entry_rcu(sdata, &local->interfaces, list) {
-
- /* No need to wake the master device. */
- if (sdata->dev == local->mdev)
- continue;
-
/* Tell AP we're back */
if (sdata->vif.type == IEEE80211_IF_TYPE_STA &&
sdata->u.sta.flags & IEEE80211_STA_ASSOCIATED)
@@ -4077,12 +4067,6 @@ static int ieee80211_sta_start_scan(struct net_device *dev,
rcu_read_lock();
list_for_each_entry_rcu(sdata, &local->interfaces, list) {
-
- /* Don't stop the master interface, otherwise we can't transmit
- * probes! */
- if (sdata->dev == local->mdev)
- continue;
-
netif_stop_queue(sdata->dev);
if (sdata->vif.type == IEEE80211_IF_TYPE_STA &&
(sdata->u.sta.flags & IEEE80211_STA_ASSOCIATED))
@@ -4473,12 +4457,10 @@ void ieee80211_notify_mac(struct ieee80211_hw *hw,
case IEEE80211_NOTIFY_RE_ASSOC:
rcu_read_lock();
list_for_each_entry_rcu(sdata, &local->interfaces, list) {
+ if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
+ continue;
- if (sdata->vif.type == IEEE80211_IF_TYPE_STA) {
- ieee80211_sta_req_auth(sdata->dev,
- &sdata->u.sta);
- }
-
+ ieee80211_sta_req_auth(sdata->dev, &sdata->u.sta);
}
rcu_read_unlock();
break;
diff --git a/net/mac80211/rc80211_pid_algo.c b/net/mac80211/rc80211_pid_algo.c
index 62388f8..ca63629 100644
--- a/net/mac80211/rc80211_pid_algo.c
+++ b/net/mac80211/rc80211_pid_algo.c
@@ -259,8 +259,8 @@ static void rate_control_pid_tx_status(void *priv, struct net_device *dev,
/* Don't update the state if we're not controlling the rate. */
sdata = sta->sdata;
- if (sdata->bss && sdata->bss->force_unicast_rateidx > -1) {
- sta->txrate_idx = sdata->bss->max_ratectrl_rateidx;
+ if (sdata->force_unicast_rateidx > -1) {
+ sta->txrate_idx = sdata->max_ratectrl_rateidx;
goto unlock;
}
@@ -337,8 +337,8 @@ static void rate_control_pid_get_rate(void *priv, struct net_device *dev,
/* If a forced rate is in effect, select it. */
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (sdata->bss && sdata->bss->force_unicast_rateidx > -1)
- sta->txrate_idx = sdata->bss->force_unicast_rateidx;
+ if (sdata->force_unicast_rateidx > -1)
+ sta->txrate_idx = sdata->force_unicast_rateidx;
rateidx = sta->txrate_idx;
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index fab443d..244ee2d 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -647,8 +647,7 @@ static void ap_sta_ps_start(struct net_device *dev, struct sta_info *sta)
sdata = sta->sdata;
- if (sdata->bss)
- atomic_inc(&sdata->bss->num_sta_ps);
+ atomic_inc(&sdata->bss->num_sta_ps);
set_and_clear_sta_flags(sta, WLAN_STA_PS, WLAN_STA_PSPOLL);
#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
printk(KERN_DEBUG "%s: STA %s aid %d enters power save mode\n",
@@ -667,8 +666,7 @@ static int ap_sta_ps_end(struct net_device *dev, struct sta_info *sta)
sdata = sta->sdata;
- if (sdata->bss)
- atomic_dec(&sdata->bss->num_sta_ps);
+ atomic_dec(&sdata->bss->num_sta_ps);
clear_sta_flags(sta, WLAN_STA_PS | WLAN_STA_PSPOLL);
@@ -742,7 +740,9 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx)
sta->last_qual = rx->status->qual;
sta->last_noise = rx->status->noise;
- if (!ieee80211_has_morefrags(hdr->frame_control)) {
+ if (!ieee80211_has_morefrags(hdr->frame_control) &&
+ (rx->sdata->vif.type == IEEE80211_IF_TYPE_AP ||
+ rx->sdata->vif.type == IEEE80211_IF_TYPE_VLAN)) {
/* Change STA power saving mode only in the end of a frame
* exchange sequence */
if (test_sta_flags(sta, WLAN_STA_PS) &&
@@ -1772,11 +1772,6 @@ static int prepare_for_handlers(struct ieee80211_sub_if_data *sdata,
return 0;
rx->flags &= ~IEEE80211_RX_RA_MATCH;
}
- if (sdata->dev == sdata->local->mdev &&
- !(rx->flags & IEEE80211_RX_IN_SCAN))
- /* do not receive anything via
- * master device when not scanning */
- return 0;
break;
case IEEE80211_IF_TYPE_WDS:
if (bssid || !ieee80211_is_data(hdr->frame_control))
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 47d2c1b..f2ba653 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -320,7 +320,9 @@ int sta_info_insert(struct sta_info *sta)
/* notify driver */
if (local->ops->sta_notify) {
if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN)
- sdata = sdata->u.vlan.ap;
+ sdata = container_of(sdata->bss,
+ struct ieee80211_sub_if_data,
+ u.ap);
local->ops->sta_notify(local_to_hw(local), &sdata->vif,
STA_NOTIFY_ADD, sta->addr);
@@ -375,8 +377,10 @@ static inline void __bss_tim_clear(struct ieee80211_if_ap *bss, u16 aid)
static void __sta_info_set_tim_bit(struct ieee80211_if_ap *bss,
struct sta_info *sta)
{
- if (bss)
- __bss_tim_set(bss, sta->aid);
+ BUG_ON(!bss);
+
+ __bss_tim_set(bss, sta->aid);
+
if (sta->local->ops->set_tim) {
sta->local->tim_in_locked_section = true;
sta->local->ops->set_tim(local_to_hw(sta->local), sta->aid, 1);
@@ -388,6 +392,8 @@ void sta_info_set_tim_bit(struct sta_info *sta)
{
unsigned long flags;
+ BUG_ON(!sta->sdata->bss);
+
spin_lock_irqsave(&sta->local->sta_lock, flags);
__sta_info_set_tim_bit(sta->sdata->bss, sta);
spin_unlock_irqrestore(&sta->local->sta_lock, flags);
@@ -396,8 +402,10 @@ void sta_info_set_tim_bit(struct sta_info *sta)
static void __sta_info_clear_tim_bit(struct ieee80211_if_ap *bss,
struct sta_info *sta)
{
- if (bss)
- __bss_tim_clear(bss, sta->aid);
+ BUG_ON(!bss);
+
+ __bss_tim_clear(bss, sta->aid);
+
if (sta->local->ops->set_tim) {
sta->local->tim_in_locked_section = true;
sta->local->ops->set_tim(local_to_hw(sta->local), sta->aid, 0);
@@ -409,6 +417,8 @@ void sta_info_clear_tim_bit(struct sta_info *sta)
{
unsigned long flags;
+ BUG_ON(!sta->sdata->bss);
+
spin_lock_irqsave(&sta->local->sta_lock, flags);
__sta_info_clear_tim_bit(sta->sdata->bss, sta);
spin_unlock_irqrestore(&sta->local->sta_lock, flags);
@@ -437,8 +447,9 @@ void __sta_info_unlink(struct sta_info **sta)
list_del(&(*sta)->list);
if (test_and_clear_sta_flags(*sta, WLAN_STA_PS)) {
- if (sdata->bss)
- atomic_dec(&sdata->bss->num_sta_ps);
+ BUG_ON(!sdata->bss);
+
+ atomic_dec(&sdata->bss->num_sta_ps);
__sta_info_clear_tim_bit(sdata->bss, *sta);
}
@@ -446,7 +457,9 @@ void __sta_info_unlink(struct sta_info **sta)
if (local->ops->sta_notify) {
if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN)
- sdata = sdata->u.vlan.ap;
+ sdata = container_of(sdata->bss,
+ struct ieee80211_sub_if_data,
+ u.ap);
local->ops->sta_notify(local_to_hw(local), &sdata->vif,
STA_NOTIFY_REMOVE, (*sta)->addr);
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 9bd9faa..a757dcc 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -303,8 +303,7 @@ static void purge_old_ps_buffers(struct ieee80211_local *local)
list_for_each_entry_rcu(sdata, &local->interfaces, list) {
struct ieee80211_if_ap *ap;
- if (sdata->dev == local->mdev ||
- sdata->vif.type != IEEE80211_IF_TYPE_AP)
+ if (sdata->vif.type != IEEE80211_IF_TYPE_AP)
continue;
ap = &sdata->u.ap;
skb = skb_dequeue(&ap->ps_bc_buf);
@@ -346,8 +345,12 @@ ieee80211_tx_h_multicast_ps_buf(struct ieee80211_tx_data *tx)
* This is done either by the hardware or us.
*/
- /* not AP/IBSS or ordered frame */
- if (!tx->sdata->bss || (tx->fc & IEEE80211_FCTL_ORDER))
+ /* powersaving STAs only in AP/VLAN mode */
+ if (!tx->sdata->bss)
+ return TX_CONTINUE;
+
+ /* no buffering for ordered frames */
+ if (tx->fc & IEEE80211_FCTL_ORDER)
return TX_CONTINUE;
/* no stations in PS mode */
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index ce62b16..89ce4e0 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -428,8 +428,6 @@ void ieee80211_iterate_active_interfaces(
case IEEE80211_IF_TYPE_MESH_POINT:
break;
}
- if (sdata->dev == local->mdev)
- continue;
if (netif_running(sdata->dev))
iterator(data, sdata->dev->dev_addr,
&sdata->vif);
@@ -463,8 +461,6 @@ void ieee80211_iterate_active_interfaces_atomic(
case IEEE80211_IF_TYPE_MESH_POINT:
break;
}
- if (sdata->dev == local->mdev)
- continue;
if (netif_running(sdata->dev))
iterator(data, sdata->dev->dev_addr,
&sdata->vif);
diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c
index 207971e..e8e4a62 100644
--- a/net/mac80211/wext.c
+++ b/net/mac80211/wext.c
@@ -627,16 +627,14 @@ static int ieee80211_ioctl_siwrate(struct net_device *dev,
struct ieee80211_supported_band *sband;
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (!sdata->bss)
- return -ENODEV;
sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
/* target_rate = -1, rate->fixed = 0 means auto only, so use all rates
* target_rate = X, rate->fixed = 1 means only rate X
* target_rate = X, rate->fixed = 0 means all rates <= X */
- sdata->bss->max_ratectrl_rateidx = -1;
- sdata->bss->force_unicast_rateidx = -1;
+ sdata->max_ratectrl_rateidx = -1;
+ sdata->force_unicast_rateidx = -1;
if (rate->value < 0)
return 0;
@@ -645,9 +643,9 @@ static int ieee80211_ioctl_siwrate(struct net_device *dev,
int this_rate = brate->bitrate;
if (target_rate == this_rate) {
- sdata->bss->max_ratectrl_rateidx = i;
+ sdata->max_ratectrl_rateidx = i;
if (rate->fixed)
- sdata->bss->force_unicast_rateidx = i;
+ sdata->force_unicast_rateidx = i;
err = 0;
break;
}
OpenPOWER on IntegriCloud