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-rw-r--r--net/wireless/Kconfig35
-rw-r--r--net/wireless/Makefile2
-rw-r--r--net/wireless/ap.c46
-rw-r--r--net/wireless/chan.c107
-rw-r--r--net/wireless/core.c134
-rw-r--r--net/wireless/core.h106
-rw-r--r--net/wireless/ibss.c11
-rw-r--r--net/wireless/mesh.c121
-rw-r--r--net/wireless/mlme.c64
-rw-r--r--net/wireless/nl80211.c1009
-rw-r--r--net/wireless/nl80211.h21
-rw-r--r--net/wireless/reg.c137
-rw-r--r--net/wireless/reg.h8
-rw-r--r--net/wireless/scan.c24
-rw-r--r--net/wireless/sme.c10
-rw-r--r--net/wireless/util.c171
-rw-r--r--net/wireless/wext-compat.c23
-rw-r--r--net/wireless/wext-sme.c10
18 files changed, 1511 insertions, 528 deletions
diff --git a/net/wireless/Kconfig b/net/wireless/Kconfig
index 2e4444fedbe..fe4adb12b3e 100644
--- a/net/wireless/Kconfig
+++ b/net/wireless/Kconfig
@@ -74,6 +74,27 @@ config CFG80211_REG_DEBUG
If unsure, say N.
+config CFG80211_CERTIFICATION_ONUS
+ bool "cfg80211 certification onus"
+ depends on CFG80211 && EXPERT
+ default n
+ ---help---
+ You should disable this option unless you are both capable
+ and willing to ensure your system will remain regulatory
+ compliant with the features available under this option.
+ Some options may still be under heavy development and
+ for whatever reason regulatory compliance has not or
+ cannot yet be verified. Regulatory verification may at
+ times only be possible until you have the final system
+ in place.
+
+ This option should only be enabled by system integrators
+ or distributions that have done work necessary to ensure
+ regulatory certification on the system with the enabled
+ features. Alternatively you can enable this option if
+ you are a wireless researcher and are working in a controlled
+ and approved environment by your local regulatory agency.
+
config CFG80211_DEFAULT_PS
bool "enable powersave by default"
depends on CFG80211
@@ -114,24 +135,10 @@ config CFG80211_WEXT
bool "cfg80211 wireless extensions compatibility"
depends on CFG80211
select WEXT_CORE
- default y
help
Enable this option if you need old userspace for wireless
extensions with cfg80211-based drivers.
-config WIRELESS_EXT_SYSFS
- bool "Wireless extensions sysfs files"
- depends on WEXT_CORE && SYSFS
- help
- This option enables the deprecated wireless statistics
- files in /sys/class/net/*/wireless/. The same information
- is available via the ioctls as well.
-
- Say N. If you know you have ancient tools requiring it,
- like very old versions of hal (prior to 0.5.12 release),
- say Y and update the tools as soon as possible as this
- option will be removed soon.
-
config LIB80211
tristate "Common routines for IEEE802.11 drivers"
default n
diff --git a/net/wireless/Makefile b/net/wireless/Makefile
index 55a28ab21db..0f7e0d621ab 100644
--- a/net/wireless/Makefile
+++ b/net/wireless/Makefile
@@ -10,7 +10,7 @@ obj-$(CONFIG_WEXT_SPY) += wext-spy.o
obj-$(CONFIG_WEXT_PRIV) += wext-priv.o
cfg80211-y += core.o sysfs.o radiotap.o util.o reg.o scan.o nl80211.o
-cfg80211-y += mlme.o ibss.o sme.o chan.o ethtool.o mesh.o
+cfg80211-y += mlme.o ibss.o sme.o chan.o ethtool.o mesh.o ap.o
cfg80211-$(CONFIG_CFG80211_DEBUGFS) += debugfs.o
cfg80211-$(CONFIG_CFG80211_WEXT) += wext-compat.o wext-sme.o
cfg80211-$(CONFIG_CFG80211_INTERNAL_REGDB) += regdb.o
diff --git a/net/wireless/ap.c b/net/wireless/ap.c
new file mode 100644
index 00000000000..fcc60d8dbef
--- /dev/null
+++ b/net/wireless/ap.c
@@ -0,0 +1,46 @@
+#include <linux/ieee80211.h>
+#include <linux/export.h>
+#include <net/cfg80211.h>
+#include "nl80211.h"
+#include "core.h"
+
+
+static int __cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
+ struct net_device *dev)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ int err;
+
+ ASSERT_WDEV_LOCK(wdev);
+
+ if (!rdev->ops->stop_ap)
+ return -EOPNOTSUPP;
+
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
+ return -EOPNOTSUPP;
+
+ if (!wdev->beacon_interval)
+ return -ENOENT;
+
+ err = rdev->ops->stop_ap(&rdev->wiphy, dev);
+ if (!err) {
+ wdev->beacon_interval = 0;
+ wdev->channel = NULL;
+ }
+
+ return err;
+}
+
+int cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
+ struct net_device *dev)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ int err;
+
+ wdev_lock(wdev);
+ err = __cfg80211_stop_ap(rdev, dev);
+ wdev_unlock(wdev);
+
+ return err;
+}
diff --git a/net/wireless/chan.c b/net/wireless/chan.c
index 884801ac4dd..d355f67d0cd 100644
--- a/net/wireless/chan.c
+++ b/net/wireless/chan.c
@@ -60,7 +60,7 @@ bool cfg80211_can_beacon_sec_chan(struct wiphy *wiphy,
diff = -20;
break;
default:
- return false;
+ return true;
}
sec_chan = ieee80211_get_channel(wiphy, chan->center_freq + diff);
@@ -78,60 +78,75 @@ bool cfg80211_can_beacon_sec_chan(struct wiphy *wiphy,
}
EXPORT_SYMBOL(cfg80211_can_beacon_sec_chan);
-int cfg80211_set_freq(struct cfg80211_registered_device *rdev,
- struct wireless_dev *wdev, int freq,
- enum nl80211_channel_type channel_type)
+int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev,
+ int freq, enum nl80211_channel_type chantype)
{
struct ieee80211_channel *chan;
- int result;
-
- if (wdev && wdev->iftype == NL80211_IFTYPE_MONITOR)
- wdev = NULL;
- if (wdev) {
- ASSERT_WDEV_LOCK(wdev);
-
- if (!netif_running(wdev->netdev))
- return -ENETDOWN;
- }
-
- if (!rdev->ops->set_channel)
+ if (!rdev->ops->set_monitor_channel)
return -EOPNOTSUPP;
+ if (!cfg80211_has_monitors_only(rdev))
+ return -EBUSY;
- chan = rdev_freq_to_chan(rdev, freq, channel_type);
+ chan = rdev_freq_to_chan(rdev, freq, chantype);
if (!chan)
return -EINVAL;
- /* Both channels should be able to initiate communication */
- if (wdev && (wdev->iftype == NL80211_IFTYPE_ADHOC ||
- wdev->iftype == NL80211_IFTYPE_AP ||
- wdev->iftype == NL80211_IFTYPE_AP_VLAN ||
- wdev->iftype == NL80211_IFTYPE_MESH_POINT ||
- wdev->iftype == NL80211_IFTYPE_P2P_GO)) {
- switch (channel_type) {
- case NL80211_CHAN_HT40PLUS:
- case NL80211_CHAN_HT40MINUS:
- if (!cfg80211_can_beacon_sec_chan(&rdev->wiphy, chan,
- channel_type)) {
- printk(KERN_DEBUG
- "cfg80211: Secondary channel not "
- "allowed to initiate communication\n");
- return -EINVAL;
- }
- break;
- default:
- break;
+ return rdev->ops->set_monitor_channel(&rdev->wiphy, chan, chantype);
+}
+
+void
+cfg80211_get_chan_state(struct wireless_dev *wdev,
+ struct ieee80211_channel **chan,
+ enum cfg80211_chan_mode *chanmode)
+{
+ *chan = NULL;
+ *chanmode = CHAN_MODE_UNDEFINED;
+
+ ASSERT_WDEV_LOCK(wdev);
+
+ if (!netif_running(wdev->netdev))
+ return;
+
+ switch (wdev->iftype) {
+ case NL80211_IFTYPE_ADHOC:
+ if (wdev->current_bss) {
+ *chan = wdev->current_bss->pub.channel;
+ *chanmode = wdev->ibss_fixed
+ ? CHAN_MODE_SHARED
+ : CHAN_MODE_EXCLUSIVE;
+ return;
+ }
+ case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_P2P_CLIENT:
+ if (wdev->current_bss) {
+ *chan = wdev->current_bss->pub.channel;
+ *chanmode = CHAN_MODE_SHARED;
+ return;
+ }
+ break;
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_P2P_GO:
+ if (wdev->beacon_interval) {
+ *chan = wdev->channel;
+ *chanmode = CHAN_MODE_SHARED;
}
+ return;
+ case NL80211_IFTYPE_MESH_POINT:
+ if (wdev->mesh_id_len) {
+ *chan = wdev->channel;
+ *chanmode = CHAN_MODE_SHARED;
+ }
+ return;
+ case NL80211_IFTYPE_MONITOR:
+ case NL80211_IFTYPE_AP_VLAN:
+ case NL80211_IFTYPE_WDS:
+ /* these interface types don't really have a channel */
+ return;
+ case NL80211_IFTYPE_UNSPECIFIED:
+ case NUM_NL80211_IFTYPES:
+ WARN_ON(1);
}
- result = rdev->ops->set_channel(&rdev->wiphy,
- wdev ? wdev->netdev : NULL,
- chan, channel_type);
- if (result)
- return result;
-
- if (wdev)
- wdev->channel = chan;
-
- return 0;
+ return;
}
diff --git a/net/wireless/core.c b/net/wireless/core.c
index a87d4355297..31b40cc4a9c 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -96,69 +96,6 @@ struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx)
return &rdev->wiphy;
}
-/* requires cfg80211_mutex to be held! */
-struct cfg80211_registered_device *
-__cfg80211_rdev_from_info(struct genl_info *info)
-{
- int ifindex;
- struct cfg80211_registered_device *bywiphyidx = NULL, *byifidx = NULL;
- struct net_device *dev;
- int err = -EINVAL;
-
- assert_cfg80211_lock();
-
- if (info->attrs[NL80211_ATTR_WIPHY]) {
- bywiphyidx = cfg80211_rdev_by_wiphy_idx(
- nla_get_u32(info->attrs[NL80211_ATTR_WIPHY]));
- err = -ENODEV;
- }
-
- if (info->attrs[NL80211_ATTR_IFINDEX]) {
- ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
- dev = dev_get_by_index(genl_info_net(info), ifindex);
- if (dev) {
- if (dev->ieee80211_ptr)
- byifidx =
- wiphy_to_dev(dev->ieee80211_ptr->wiphy);
- dev_put(dev);
- }
- err = -ENODEV;
- }
-
- if (bywiphyidx && byifidx) {
- if (bywiphyidx != byifidx)
- return ERR_PTR(-EINVAL);
- else
- return bywiphyidx; /* == byifidx */
- }
- if (bywiphyidx)
- return bywiphyidx;
-
- if (byifidx)
- return byifidx;
-
- return ERR_PTR(err);
-}
-
-struct cfg80211_registered_device *
-cfg80211_get_dev_from_info(struct genl_info *info)
-{
- struct cfg80211_registered_device *rdev;
-
- mutex_lock(&cfg80211_mutex);
- rdev = __cfg80211_rdev_from_info(info);
-
- /* if it is not an error we grab the lock on
- * it to assure it won't be going away while
- * we operate on it */
- if (!IS_ERR(rdev))
- mutex_lock(&rdev->mtx);
-
- mutex_unlock(&cfg80211_mutex);
-
- return rdev;
-}
-
struct cfg80211_registered_device *
cfg80211_get_dev_from_ifindex(struct net *net, int ifindex)
{
@@ -239,7 +176,9 @@ int cfg80211_switch_netns(struct cfg80211_registered_device *rdev,
if (!(rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK))
return -EOPNOTSUPP;
- list_for_each_entry(wdev, &rdev->netdev_list, list) {
+ list_for_each_entry(wdev, &rdev->wdev_list, list) {
+ if (!wdev->netdev)
+ continue;
wdev->netdev->features &= ~NETIF_F_NETNS_LOCAL;
err = dev_change_net_namespace(wdev->netdev, net, "wlan%d");
if (err)
@@ -251,8 +190,10 @@ int cfg80211_switch_netns(struct cfg80211_registered_device *rdev,
/* failed -- clean up to old netns */
net = wiphy_net(&rdev->wiphy);
- list_for_each_entry_continue_reverse(wdev, &rdev->netdev_list,
+ list_for_each_entry_continue_reverse(wdev, &rdev->wdev_list,
list) {
+ if (!wdev->netdev)
+ continue;
wdev->netdev->features &= ~NETIF_F_NETNS_LOCAL;
err = dev_change_net_namespace(wdev->netdev, net,
"wlan%d");
@@ -289,8 +230,9 @@ static int cfg80211_rfkill_set_block(void *data, bool blocked)
rtnl_lock();
mutex_lock(&rdev->devlist_mtx);
- list_for_each_entry(wdev, &rdev->netdev_list, list)
- dev_close(wdev->netdev);
+ list_for_each_entry(wdev, &rdev->wdev_list, list)
+ if (wdev->netdev)
+ dev_close(wdev->netdev);
mutex_unlock(&rdev->devlist_mtx);
rtnl_unlock();
@@ -367,7 +309,7 @@ struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv)
mutex_init(&rdev->mtx);
mutex_init(&rdev->devlist_mtx);
mutex_init(&rdev->sched_scan_mtx);
- INIT_LIST_HEAD(&rdev->netdev_list);
+ INIT_LIST_HEAD(&rdev->wdev_list);
spin_lock_init(&rdev->bss_lock);
INIT_LIST_HEAD(&rdev->bss_list);
INIT_WORK(&rdev->scan_done_wk, __cfg80211_scan_done);
@@ -436,6 +378,14 @@ static int wiphy_verify_combinations(struct wiphy *wiphy)
if (WARN_ON(!c->num_different_channels))
return -EINVAL;
+ /*
+ * Put a sane limit on maximum number of different
+ * channels to simplify channel accounting code.
+ */
+ if (WARN_ON(c->num_different_channels >
+ CFG80211_MAX_NUM_DIFFERENT_CHANNELS))
+ return -EINVAL;
+
if (WARN_ON(!c->n_limits))
return -EINVAL;
@@ -484,9 +434,11 @@ int wiphy_register(struct wiphy *wiphy)
int i;
u16 ifmodes = wiphy->interface_modes;
+#ifdef CONFIG_PM
if (WARN_ON((wiphy->wowlan.flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) &&
!(wiphy->wowlan.flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY)))
return -EINVAL;
+#endif
if (WARN_ON(wiphy->ap_sme_capa &&
!(wiphy->flags & WIPHY_FLAG_HAVE_AP_SME)))
@@ -521,8 +473,14 @@ int wiphy_register(struct wiphy *wiphy)
continue;
sband->band = band;
-
- if (WARN_ON(!sband->n_channels || !sband->n_bitrates))
+ if (WARN_ON(!sband->n_channels))
+ return -EINVAL;
+ /*
+ * on 60gHz band, there are no legacy rates, so
+ * n_bitrates is 0
+ */
+ if (WARN_ON(band != IEEE80211_BAND_60GHZ &&
+ !sband->n_bitrates))
return -EINVAL;
/*
@@ -563,12 +521,14 @@ int wiphy_register(struct wiphy *wiphy)
return -EINVAL;
}
+#ifdef CONFIG_PM
if (rdev->wiphy.wowlan.n_patterns) {
if (WARN_ON(!rdev->wiphy.wowlan.pattern_min_len ||
rdev->wiphy.wowlan.pattern_min_len >
rdev->wiphy.wowlan.pattern_max_len))
return -EINVAL;
}
+#endif
/* check and set up bitrates */
ieee80211_set_bitrate_flags(wiphy);
@@ -582,7 +542,7 @@ int wiphy_register(struct wiphy *wiphy)
}
/* set up regulatory info */
- regulatory_update(wiphy, NL80211_REGDOM_SET_BY_CORE);
+ wiphy_regulatory_register(wiphy);
list_add_rcu(&rdev->list, &cfg80211_rdev_list);
cfg80211_rdev_list_generation++;
@@ -667,7 +627,7 @@ void wiphy_unregister(struct wiphy *wiphy)
__count == 0; }));
mutex_lock(&rdev->devlist_mtx);
- BUG_ON(!list_empty(&rdev->netdev_list));
+ BUG_ON(!list_empty(&rdev->wdev_list));
mutex_unlock(&rdev->devlist_mtx);
/*
@@ -692,9 +652,11 @@ void wiphy_unregister(struct wiphy *wiphy)
/* nothing */
cfg80211_unlock_rdev(rdev);
- /* If this device got a regulatory hint tell core its
- * free to listen now to a new shiny device regulatory hint */
- reg_device_remove(wiphy);
+ /*
+ * If this device got a regulatory hint tell core its
+ * free to listen now to a new shiny device regulatory hint
+ */
+ wiphy_regulatory_deregister(wiphy);
cfg80211_rdev_list_generation++;
device_del(&rdev->wiphy.dev);
@@ -748,7 +710,7 @@ static void wdev_cleanup_work(struct work_struct *work)
cfg80211_lock_rdev(rdev);
- if (WARN_ON(rdev->scan_req && rdev->scan_req->dev == wdev->netdev)) {
+ if (WARN_ON(rdev->scan_req && rdev->scan_req->wdev == wdev)) {
rdev->scan_req->aborted = true;
___cfg80211_scan_done(rdev, true);
}
@@ -776,6 +738,16 @@ static struct device_type wiphy_type = {
.name = "wlan",
};
+void cfg80211_update_iface_num(struct cfg80211_registered_device *rdev,
+ enum nl80211_iftype iftype, int num)
+{
+ ASSERT_RTNL();
+
+ rdev->num_running_ifaces += num;
+ if (iftype == NL80211_IFTYPE_MONITOR)
+ rdev->num_running_monitor_ifaces += num;
+}
+
static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
unsigned long state,
void *ndev)
@@ -810,7 +782,8 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
spin_lock_init(&wdev->mgmt_registrations_lock);
mutex_lock(&rdev->devlist_mtx);
- list_add_rcu(&wdev->list, &rdev->netdev_list);
+ wdev->identifier = ++rdev->wdev_id;
+ list_add_rcu(&wdev->list, &rdev->wdev_list);
rdev->devlist_generation++;
/* can only change netns with wiphy */
dev->features |= NETIF_F_NETNS_LOCAL;
@@ -869,12 +842,16 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
case NL80211_IFTYPE_MESH_POINT:
cfg80211_leave_mesh(rdev, dev);
break;
+ case NL80211_IFTYPE_AP:
+ cfg80211_stop_ap(rdev, dev);
+ break;
default:
break;
}
wdev->beacon_interval = 0;
break;
case NETDEV_DOWN:
+ cfg80211_update_iface_num(rdev, wdev->iftype, -1);
dev_hold(dev);
queue_work(cfg80211_wq, &wdev->cleanup_work);
break;
@@ -891,6 +868,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
mutex_unlock(&rdev->devlist_mtx);
dev_put(dev);
}
+ cfg80211_update_iface_num(rdev, wdev->iftype, 1);
cfg80211_lock_rdev(rdev);
mutex_lock(&rdev->devlist_mtx);
wdev_lock(wdev);
@@ -980,7 +958,9 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
return notifier_from_errno(-EOPNOTSUPP);
if (rfkill_blocked(rdev->rfkill))
return notifier_from_errno(-ERFKILL);
+ mutex_lock(&rdev->devlist_mtx);
ret = cfg80211_can_add_interface(rdev, wdev->iftype);
+ mutex_unlock(&rdev->devlist_mtx);
if (ret)
return notifier_from_errno(ret);
break;
diff --git a/net/wireless/core.h b/net/wireless/core.h
index 8523f387867..5206c6844fd 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -13,6 +13,7 @@
#include <linux/debugfs.h>
#include <linux/rfkill.h>
#include <linux/workqueue.h>
+#include <linux/rtnetlink.h>
#include <net/genetlink.h>
#include <net/cfg80211.h>
#include "reg.h"
@@ -46,16 +47,20 @@ struct cfg80211_registered_device {
/* wiphy index, internal only */
int wiphy_idx;
- /* associate netdev list */
+ /* associated wireless interfaces */
struct mutex devlist_mtx;
/* protected by devlist_mtx or RCU */
- struct list_head netdev_list;
- int devlist_generation;
+ struct list_head wdev_list;
+ int devlist_generation, wdev_id;
int opencount; /* also protected by devlist_mtx */
wait_queue_head_t dev_wait;
u32 ap_beacons_nlpid;
+ /* protected by RTNL only */
+ int num_running_ifaces;
+ int num_running_monitor_ifaces;
+
/* BSSes/scanning */
spinlock_t bss_lock;
struct list_head bss_list;
@@ -159,32 +164,6 @@ static inline void cfg80211_unhold_bss(struct cfg80211_internal_bss *bss)
struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx);
int get_wiphy_idx(struct wiphy *wiphy);
-struct cfg80211_registered_device *
-__cfg80211_rdev_from_info(struct genl_info *info);
-
-/*
- * This function returns a pointer to the driver
- * that the genl_info item that is passed refers to.
- * If successful, it returns non-NULL and also locks
- * the driver's mutex!
- *
- * This means that you need to call cfg80211_unlock_rdev()
- * before being allowed to acquire &cfg80211_mutex!
- *
- * This is necessary because we need to lock the global
- * mutex to get an item off the list safely, and then
- * we lock the rdev mutex so it doesn't go away under us.
- *
- * We don't want to keep cfg80211_mutex locked
- * for all the time in order to allow requests on
- * other interfaces to go through at the same time.
- *
- * The result of this can be a PTR_ERR and hence must
- * be checked with IS_ERR() for errors.
- */
-extern struct cfg80211_registered_device *
-cfg80211_get_dev_from_info(struct genl_info *info);
-
/* requires cfg80211_rdev_mutex to be held! */
struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx);
@@ -223,6 +202,14 @@ static inline void wdev_unlock(struct wireless_dev *wdev)
#define ASSERT_RDEV_LOCK(rdev) lockdep_assert_held(&(rdev)->mtx)
#define ASSERT_WDEV_LOCK(wdev) lockdep_assert_held(&(wdev)->mtx)
+static inline bool cfg80211_has_monitors_only(struct cfg80211_registered_device *rdev)
+{
+ ASSERT_RTNL();
+
+ return rdev->num_running_ifaces == rdev->num_running_monitor_ifaces &&
+ rdev->num_running_ifaces > 0;
+}
+
enum cfg80211_event_type {
EVENT_CONNECT_RESULT,
EVENT_ROAMED,
@@ -267,6 +254,12 @@ struct cfg80211_cached_keys {
int def, defmgmt;
};
+enum cfg80211_chan_mode {
+ CHAN_MODE_UNDEFINED,
+ CHAN_MODE_SHARED,
+ CHAN_MODE_EXCLUSIVE,
+};
+
/* free object */
extern void cfg80211_dev_free(struct cfg80211_registered_device *rdev);
@@ -303,14 +296,21 @@ extern const struct mesh_config default_mesh_config;
extern const struct mesh_setup default_mesh_setup;
int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
struct net_device *dev,
- const struct mesh_setup *setup,
+ struct mesh_setup *setup,
const struct mesh_config *conf);
int cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
struct net_device *dev,
- const struct mesh_setup *setup,
+ struct mesh_setup *setup,
const struct mesh_config *conf);
int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
struct net_device *dev);
+int cfg80211_set_mesh_freq(struct cfg80211_registered_device *rdev,
+ struct wireless_dev *wdev, int freq,
+ enum nl80211_channel_type channel_type);
+
+/* AP */
+int cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
+ struct net_device *dev);
/* MLME */
int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
@@ -369,7 +369,7 @@ int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid,
void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid);
void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev);
int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
- struct net_device *dev,
+ struct wireless_dev *wdev,
struct ieee80211_channel *chan, bool offchan,
enum nl80211_channel_type channel_type,
bool channel_type_valid, unsigned int wait,
@@ -427,9 +427,20 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
u32 *flags, struct vif_params *params);
void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev);
-int cfg80211_can_change_interface(struct cfg80211_registered_device *rdev,
- struct wireless_dev *wdev,
- enum nl80211_iftype iftype);
+int cfg80211_can_use_iftype_chan(struct cfg80211_registered_device *rdev,
+ struct wireless_dev *wdev,
+ enum nl80211_iftype iftype,
+ struct ieee80211_channel *chan,
+ enum cfg80211_chan_mode chanmode);
+
+static inline int
+cfg80211_can_change_interface(struct cfg80211_registered_device *rdev,
+ struct wireless_dev *wdev,
+ enum nl80211_iftype iftype)
+{
+ return cfg80211_can_use_iftype_chan(rdev, wdev, iftype, NULL,
+ CHAN_MODE_UNDEFINED);
+}
static inline int
cfg80211_can_add_interface(struct cfg80211_registered_device *rdev,
@@ -438,12 +449,26 @@ cfg80211_can_add_interface(struct cfg80211_registered_device *rdev,
return cfg80211_can_change_interface(rdev, NULL, iftype);
}
+static inline int
+cfg80211_can_use_chan(struct cfg80211_registered_device *rdev,
+ struct wireless_dev *wdev,
+ struct ieee80211_channel *chan,
+ enum cfg80211_chan_mode chanmode)
+{
+ return cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype,
+ chan, chanmode);
+}
+
+void
+cfg80211_get_chan_state(struct wireless_dev *wdev,
+ struct ieee80211_channel **chan,
+ enum cfg80211_chan_mode *chanmode);
+
struct ieee80211_channel *
rdev_freq_to_chan(struct cfg80211_registered_device *rdev,
int freq, enum nl80211_channel_type channel_type);
-int cfg80211_set_freq(struct cfg80211_registered_device *rdev,
- struct wireless_dev *wdev, int freq,
- enum nl80211_channel_type channel_type);
+int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev,
+ int freq, enum nl80211_channel_type chantype);
int ieee80211_get_ratemask(struct ieee80211_supported_band *sband,
const u8 *rates, unsigned int n_rates,
@@ -452,6 +477,11 @@ int ieee80211_get_ratemask(struct ieee80211_supported_band *sband,
int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev,
u32 beacon_int);
+void cfg80211_update_iface_num(struct cfg80211_registered_device *rdev,
+ enum nl80211_iftype iftype, int num);
+
+#define CFG80211_MAX_NUM_DIFFERENT_CHANNELS 10
+
#ifdef CONFIG_CFG80211_DEVELOPER_WARNINGS
#define CFG80211_DEV_WARN_ON(cond) WARN_ON(cond)
#else
diff --git a/net/wireless/ibss.c b/net/wireless/ibss.c
index 89baa332841..ca5672f6ee2 100644
--- a/net/wireless/ibss.c
+++ b/net/wireless/ibss.c
@@ -113,10 +113,21 @@ int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
kfree(wdev->connect_keys);
wdev->connect_keys = connkeys;
+ wdev->ibss_fixed = params->channel_fixed;
#ifdef CONFIG_CFG80211_WEXT
wdev->wext.ibss.channel = params->channel;
#endif
wdev->sme_state = CFG80211_SME_CONNECTING;
+
+ err = cfg80211_can_use_chan(rdev, wdev, params->channel,
+ params->channel_fixed
+ ? CHAN_MODE_SHARED
+ : CHAN_MODE_EXCLUSIVE);
+ if (err) {
+ wdev->connect_keys = NULL;
+ return err;
+ }
+
err = rdev->ops->join_ibss(&rdev->wiphy, dev, params);
if (err) {
wdev->connect_keys = NULL;
diff --git a/net/wireless/mesh.c b/net/wireless/mesh.c
index 2749cb86b46..c384e77ff77 100644
--- a/net/wireless/mesh.c
+++ b/net/wireless/mesh.c
@@ -14,6 +14,9 @@
#define MESH_PATH_TIMEOUT 5000
#define MESH_RANN_INTERVAL 5000
+#define MESH_PATH_TO_ROOT_TIMEOUT 6000
+#define MESH_ROOT_INTERVAL 5000
+#define MESH_ROOT_CONFIRMATION_INTERVAL 2000
/*
* Minimum interval between two consecutive PREQs originated by the same
@@ -62,9 +65,15 @@ const struct mesh_config default_mesh_config = {
.dot11MeshForwarding = true,
.rssi_threshold = MESH_RSSI_THRESHOLD,
.ht_opmode = IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED,
+ .dot11MeshHWMPactivePathToRootTimeout = MESH_PATH_TO_ROOT_TIMEOUT,
+ .dot11MeshHWMProotInterval = MESH_ROOT_INTERVAL,
+ .dot11MeshHWMPconfirmationInterval = MESH_ROOT_CONFIRMATION_INTERVAL,
};
const struct mesh_setup default_mesh_setup = {
+ /* cfg80211_join_mesh() will pick a channel if needed */
+ .channel = NULL,
+ .channel_type = NL80211_CHAN_NO_HT,
.sync_method = IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET,
.path_sel_proto = IEEE80211_PATH_PROTOCOL_HWMP,
.path_metric = IEEE80211_PATH_METRIC_AIRTIME,
@@ -75,7 +84,7 @@ const struct mesh_setup default_mesh_setup = {
int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
struct net_device *dev,
- const struct mesh_setup *setup,
+ struct mesh_setup *setup,
const struct mesh_config *conf)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
@@ -101,10 +110,61 @@ int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
if (!rdev->ops->join_mesh)
return -EOPNOTSUPP;
+ if (!setup->channel) {
+ /* if no channel explicitly given, use preset channel */
+ setup->channel = wdev->preset_chan;
+ setup->channel_type = wdev->preset_chantype;
+ }
+
+ if (!setup->channel) {
+ /* if we don't have that either, use the first usable channel */
+ enum ieee80211_band band;
+
+ for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
+ struct ieee80211_supported_band *sband;
+ struct ieee80211_channel *chan;
+ int i;
+
+ sband = rdev->wiphy.bands[band];
+ if (!sband)
+ continue;
+
+ for (i = 0; i < sband->n_channels; i++) {
+ chan = &sband->channels[i];
+ if (chan->flags & (IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN |
+ IEEE80211_CHAN_DISABLED |
+ IEEE80211_CHAN_RADAR))
+ continue;
+ setup->channel = chan;
+ break;
+ }
+
+ if (setup->channel)
+ break;
+ }
+
+ /* no usable channel ... */
+ if (!setup->channel)
+ return -EINVAL;
+
+ setup->channel_type = NL80211_CHAN_NO_HT;
+ }
+
+ if (!cfg80211_can_beacon_sec_chan(&rdev->wiphy, setup->channel,
+ setup->channel_type))
+ return -EINVAL;
+
+ err = cfg80211_can_use_chan(rdev, wdev, setup->channel,
+ CHAN_MODE_SHARED);
+ if (err)
+ return err;
+
err = rdev->ops->join_mesh(&rdev->wiphy, dev, conf, setup);
if (!err) {
memcpy(wdev->ssid, setup->mesh_id, setup->mesh_id_len);
wdev->mesh_id_len = setup->mesh_id_len;
+ wdev->channel = setup->channel;
}
return err;
@@ -112,19 +172,71 @@ int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
int cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
struct net_device *dev,
- const struct mesh_setup *setup,
+ struct mesh_setup *setup,
const struct mesh_config *conf)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
int err;
+ mutex_lock(&rdev->devlist_mtx);
wdev_lock(wdev);
err = __cfg80211_join_mesh(rdev, dev, setup, conf);
wdev_unlock(wdev);
+ mutex_unlock(&rdev->devlist_mtx);
return err;
}
+int cfg80211_set_mesh_freq(struct cfg80211_registered_device *rdev,
+ struct wireless_dev *wdev, int freq,
+ enum nl80211_channel_type channel_type)
+{
+ struct ieee80211_channel *channel;
+ int err;
+
+ channel = rdev_freq_to_chan(rdev, freq, channel_type);
+ if (!channel || !cfg80211_can_beacon_sec_chan(&rdev->wiphy,
+ channel,
+ channel_type)) {
+ return -EINVAL;
+ }
+
+ /*
+ * Workaround for libertas (only!), it puts the interface
+ * into mesh mode but doesn't implement join_mesh. Instead,
+ * it is configured via sysfs and then joins the mesh when
+ * you set the channel. Note that the libertas mesh isn't
+ * compatible with 802.11 mesh.
+ */
+ if (rdev->ops->libertas_set_mesh_channel) {
+ if (channel_type != NL80211_CHAN_NO_HT)
+ return -EINVAL;
+
+ if (!netif_running(wdev->netdev))
+ return -ENETDOWN;
+
+ err = cfg80211_can_use_chan(rdev, wdev, channel,
+ CHAN_MODE_SHARED);
+ if (err)
+ return err;
+
+ err = rdev->ops->libertas_set_mesh_channel(&rdev->wiphy,
+ wdev->netdev,
+ channel);
+ if (!err)
+ wdev->channel = channel;
+
+ return err;
+ }
+
+ if (wdev->mesh_id_len)
+ return -EBUSY;
+
+ wdev->preset_chan = channel;
+ wdev->preset_chantype = channel_type;
+ return 0;
+}
+
void cfg80211_notify_new_peer_candidate(struct net_device *dev,
const u8 *macaddr, const u8* ie, u8 ie_len, gfp_t gfp)
{
@@ -156,8 +268,11 @@ static int __cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
return -ENOTCONN;
err = rdev->ops->leave_mesh(&rdev->wiphy, dev);
- if (!err)
+ if (!err) {
wdev->mesh_id_len = 0;
+ wdev->channel = NULL;
+ }
+
return err;
}
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index eb90988bbd3..1cdb1d5e6b0 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -302,8 +302,14 @@ int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
if (!req.bss)
return -ENOENT;
+ err = cfg80211_can_use_chan(rdev, wdev, req.bss->channel,
+ CHAN_MODE_SHARED);
+ if (err)
+ goto out;
+
err = rdev->ops->auth(&rdev->wiphy, dev, &req);
+out:
cfg80211_put_bss(req.bss);
return err;
}
@@ -317,11 +323,13 @@ int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
{
int err;
+ mutex_lock(&rdev->devlist_mtx);
wdev_lock(dev->ieee80211_ptr);
err = __cfg80211_mlm