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authorJohannes Berg <johannes.berg@intel.com>2012-07-30 09:13:03 +0200
committerJohannes Berg <johannes.berg@intel.com>2012-07-30 09:13:03 +0200
commitfcb06702f023a0e7b1e6ebf9746f34b610ca0508 (patch)
treedb022324c4978dd9af059be38822d23455a45f55 /net/wireless
parent5e31fc0815a4e2c72b1b495fe7a0d8f9bfb9e4b4 (diff)
parent9dbf5f55f8d35ff9aedc75267f4e4042aaf89755 (diff)
Merge remote-tracking branch 'wireless/master' into mac80211
Diffstat (limited to 'net/wireless')
-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 2e4444fedbe0..fe4adb12b3ef 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 55a28ab21db9..0f7e0d621ab0 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 000000000000..fcc60d8dbefa
--- /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 884801ac4dd0..d355f67d0cdd 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 a87d43552974..31b40cc4a9c3 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 8523f3878677..5206c6844fd7 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 89baa3328411..ca5672f6ee2f 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 2749cb86b462..c384e77ff77a 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 eb90988bbd36..1cdb1d5e6b0f 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_mlme_auth(rdev, dev, chan, auth_type, bssid,
ssid, ssid_len, ie, ie_len,
key, key_len, key_idx);
wdev_unlock(dev->ieee80211_ptr);
+ mutex_unlock(&rdev->devlist_mtx);
return err;
}
@@ -397,8 +405,14 @@ int __cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
return -ENOENT;
}
+ err = cfg80211_can_use_chan(rdev, wdev, req.bss->channel,
+ CHAN_MODE_SHARED);
+ if (err)
+ goto out;
+
err = rdev->ops->assoc(&rdev->wiphy, dev, &req);
+out:
if (err) {
if (was_connected)
wdev->sme_state = CFG80211_SME_CONNECTED;
@@ -421,11 +435,13 @@ int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev = dev->ieee80211_ptr;
int err;
+ mutex_lock(&rdev->devlist_mtx);
wdev_lock(wdev);
err = __cfg80211_mlme_assoc(rdev, dev, chan, bssid, prev_bssid,
ssid, ssid_len, ie, ie_len, use_mfp, crypt,
assoc_flags, ht_capa, ht_capa_mask);
wdev_unlock(wdev);
+ mutex_unlock(&rdev->devlist_mtx);
return err;
}
@@ -551,29 +567,28 @@ void cfg80211_mlme_down(struct cfg80211_registered_device *rdev,
}
}
-void cfg80211_ready_on_channel(struct net_device *dev, u64 cookie,
+void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type,
unsigned int duration, gfp_t gfp)
{
- struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
+ struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
- nl80211_send_remain_on_channel(rdev, dev, cookie, chan, channel_type,
+ nl80211_send_remain_on_channel(rdev, wdev, cookie, chan, channel_type,
duration, gfp);
}
EXPORT_SYMBOL(cfg80211_ready_on_channel);
-void cfg80211_remain_on_channel_expired(struct net_device *dev,
- u64 cookie,
+void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type,
gfp_t gfp)
{
- struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
+ struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
- nl80211_send_remain_on_channel_cancel(rdev, dev, cookie, chan,
+ nl80211_send_remain_on_channel_cancel(rdev, wdev, cookie, chan,
channel_type, gfp);
}
EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
@@ -662,8 +677,7 @@ int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid,
list_add(&nreg->list, &wdev->mgmt_registrations);
if (rdev->ops->mgmt_frame_register)
- rdev->ops->mgmt_frame_register(wiphy, wdev->netdev,
- frame_type, true);
+ rdev->ops->mgmt_frame_register(wiphy, wdev, frame_type, true);
out:
spin_unlock_bh(&wdev->mgmt_registrations_lock);
@@ -686,7 +700,7 @@ void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid)
if (rdev->ops->mgmt_frame_register) {
u16 frame_type = le16_to_cpu(reg->frame_type);
- rdev->ops->mgmt_frame_register(wiphy, wdev->netdev,
+ rdev->ops->mgmt_frame_register(wiphy, wdev,
frame_type, false);
}
@@ -715,14 +729,14 @@ 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,
const u8 *buf, size_t len, bool no_cck,
bool dont_wait_for_ack, u64 *cookie)
{
- struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct net_device *dev = wdev->netdev;
const struct ieee80211_mgmt *mgmt;
u16 stype;
@@ -809,16 +823,15 @@ int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
return -EINVAL;
/* Transmit the Action frame as requested by user space */
- return rdev->ops->mgmt_tx(&rdev->wiphy, dev, chan, offchan,
+ return rdev->ops->mgmt_tx(&rdev->wiphy, wdev, chan, offchan,
channel_type, channel_type_valid,
wait, buf, len, no_cck, dont_wait_for_ack,
cookie);
}
-bool cfg80211_rx_mgmt(struct net_device *dev, int freq, int sig_mbm,
+bool cfg80211_rx_mgmt(struct wireless_dev *wdev, int freq, int sig_mbm,
const u8 *buf, size_t len, gfp_t gfp)
{
- struct wireless_dev *wdev = dev->ieee80211_ptr;
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
struct cfg80211_mgmt_registration *reg;
@@ -855,7 +868,7 @@ bool cfg80211_rx_mgmt(struct net_device *dev, int freq, int sig_mbm,
/* found match! */
/* Indicate the received Action frame to user space */
- if (nl80211_send_mgmt(rdev, dev, reg->nlpid,
+ if (nl80211_send_mgmt(rdev, wdev, reg->nlpid,
freq, sig_mbm,
buf, len, gfp))
continue;
@@ -870,15 +883,14 @@ bool cfg80211_rx_mgmt(struct net_device *dev, int freq, int sig_mbm,
}
EXPORT_SYMBOL(cfg80211_rx_mgmt);
-void cfg80211_mgmt_tx_status(struct net_device *dev, u64 cookie,
+void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
const u8 *buf, size_t len, bool ack, gfp_t gfp)
{
- struct wireless_dev *wdev = dev->ieee80211_ptr;
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
/* Indicate TX status of the Action frame to user space */
- nl80211_send_mgmt_tx_status(rdev, dev, cookie, buf, len, ack, gfp);
+ nl80211_send_mgmt_tx_status(rdev, wdev, cookie, buf, len, ack, gfp);
}
EXPORT_SYMBOL(cfg80211_mgmt_tx_status);
@@ -907,6 +919,19 @@ void cfg80211_cqm_pktloss_notify(struct net_device *dev,
}
EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify);
+void cfg80211_cqm_txe_notify(struct net_device *dev,
+ const u8 *peer, u32 num_packets,
+ u32 rate, u32 intvl, gfp_t gfp)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct wiphy *wiphy = wdev->wiphy;
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+
+ nl80211_send_cqm_txe_notify(rdev, dev, peer, num_packets,
+ rate, intvl, gfp);
+}
+EXPORT_SYMBOL(cfg80211_cqm_txe_notify);
+
void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
const u8 *replay_ctr, gfp_t gfp)
{
@@ -948,7 +973,6 @@ void cfg80211_ch_switch_notify(struct net_device *dev, int freq,
goto out;
wdev->channel = chan;
-
nl80211_ch_switch_notify(rdev, dev, freq, type, GFP_KERNEL);
out:
wdev_unlock(wdev);
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 206465dc0cab..97026f3b215a 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -46,28 +46,175 @@ static struct genl_family nl80211_fam = {
.post_doit = nl80211_post_doit,
};
-/* internal helper: get rdev and dev */
-static int get_rdev_dev_by_ifindex(struct net *netns, struct nlattr **attrs,
- struct cfg80211_registered_device **rdev,
- struct net_device **dev)
+/* returns ERR_PTR values */
+static struct wireless_dev *
+__cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs)
{
- int ifindex;
+ struct cfg80211_registered_device *rdev;
+ struct wireless_dev *result = NULL;
+ bool have_ifidx = attrs[NL80211_ATTR_IFINDEX];
+ bool have_wdev_id = attrs[NL80211_ATTR_WDEV];
+ u64 wdev_id;
+ int wiphy_idx = -1;
+ int ifidx = -1;
- if (!attrs[NL80211_ATTR_IFINDEX])
- return -EINVAL;
+ assert_cfg80211_lock();
- ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
- *dev = dev_get_by_index(netns, ifindex);
- if (!*dev)
- return -ENODEV;
+ if (!have_ifidx && !have_wdev_id)
+ return ERR_PTR(-EINVAL);
- *rdev = cfg80211_get_dev_from_ifindex(netns, ifindex);
- if (IS_ERR(*rdev)) {
- dev_put(*dev);
- return PTR_ERR(*rdev);
+ if (have_ifidx)
+ ifidx = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
+ if (have_wdev_id) {
+ wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
+ wiphy_idx = wdev_id >> 32;
}
- return 0;
+ list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
+ struct wireless_dev *wdev;
+
+ if (wiphy_net(&rdev->wiphy) != netns)
+ continue;
+
+ if (have_wdev_id && rdev->wiphy_idx != wiphy_idx)
+ continue;
+
+ mutex_lock(&rdev->devlist_mtx);
+ list_for_each_entry(wdev, &rdev->wdev_list, list) {
+ if (have_ifidx && wdev->netdev &&
+ wdev->netdev->ifindex == ifidx) {
+ result = wdev;
+ break;
+ }
+ if (have_wdev_id && wdev->identifier == (u32)wdev_id) {
+ result = wdev;
+ break;
+ }
+ }
+ mutex_unlock(&rdev->devlist_mtx);
+
+ if (result)
+ break;
+ }
+
+ if (result)
+ return result;
+ return ERR_PTR(-ENODEV);
+}
+
+static struct cfg80211_registered_device *
+__cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs)
+{
+ struct cfg80211_registered_device *rdev = NULL, *tmp;
+ struct net_device *netdev;
+
+ assert_cfg80211_lock();
+
+ if (!attrs[NL80211_ATTR_WIPHY] &&
+ !attrs[NL80211_ATTR_IFINDEX] &&
+ !attrs[NL80211_ATTR_WDEV])
+ return ERR_PTR(-EINVAL);
+
+ if (attrs[NL80211_ATTR_WIPHY])
+ rdev = cfg80211_rdev_by_wiphy_idx(
+ nla_get_u32(attrs[NL80211_ATTR_WIPHY]));
+
+ if (attrs[NL80211_ATTR_WDEV]) {
+ u64 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
+ struct wireless_dev *wdev;
+ bool found = false;
+
+ tmp = cfg80211_rdev_by_wiphy_idx(wdev_id >> 32);
+ if (tmp) {
+ /* make sure wdev exists */
+ mutex_lock(&tmp->devlist_mtx);
+ list_for_each_entry(wdev, &tmp->wdev_list, list) {
+ if (wdev->identifier != (u32)wdev_id)
+ continue;
+ found = true;
+ break;
+ }
+ mutex_unlock(&tmp->devlist_mtx);
+
+ if (!found)
+ tmp = NULL;
+
+ if (rdev && tmp != rdev)
+ return ERR_PTR(-EINVAL);
+ rdev = tmp;
+ }
+ }
+
+ if (attrs[NL80211_ATTR_IFINDEX]) {
+ int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
+ netdev = dev_get_by_index(netns, ifindex);
+ if (netdev) {
+ if (netdev->ieee80211_ptr)
+ tmp = wiphy_to_dev(
+ netdev->ieee80211_ptr->wiphy);
+ else
+ tmp = NULL;
+
+ dev_put(netdev);
+
+ /* not wireless device -- return error */
+ if (!tmp)
+ return ERR_PTR(-EINVAL);
+
+ /* mismatch -- return error */
+ if (rdev && tmp != rdev)
+ return ERR_PTR(-EINVAL);
+
+ rdev = tmp;
+ }
+ }
+
+ if (!rdev)
+ return ERR_PTR(-ENODEV);
+
+ if (netns != wiphy_net(&rdev->wiphy))
+ return ERR_PTR(-ENODEV);
+
+ return rdev;
+}
+
+/*
+ * 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.
+ */
+static struct cfg80211_registered_device *
+cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev;
+
+ mutex_lock(&cfg80211_mutex);
+ rdev = __cfg80211_rdev_from_attrs(netns, info->attrs);
+
+ /* 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;
}
/* policy for the attributes */
@@ -115,7 +262,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
[NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 },
[NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ },
[NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY,
- .len = IEEE80211_MAX_MESH_ID_LEN },
+ .len = IEEE80211_MAX_MESH_ID_LEN },
[NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 },
[NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 },
@@ -206,6 +353,8 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
[NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 },
[NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 },
[NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 },
+ [NL80211_ATTR_WDEV] = { .type = NLA_U64 },
+ [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 },
};
/* policy for the key attributes */
@@ -250,8 +399,9 @@ nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
static const struct nla_policy
nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
- [NL80211_ATTR_SCHED_SCAN_MATCH_SSID] = { .type = NLA_BINARY,
+ [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY,
.len = IEEE80211_MAX_SSID_LEN },
+ [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 },
};
/* ifidx get helper */
@@ -832,6 +982,15 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
dev->wiphy.bands[band]->ht_cap.ampdu_density)))
goto nla_put_failure;
+ /* add VHT info */
+ if (dev->wiphy.bands[band]->vht_cap.vht_supported &&
+ (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET,
+ sizeof(dev->wiphy.bands[band]->vht_cap.vht_mcs),
+ &dev->wiphy.bands[band]->vht_cap.vht_mcs) ||
+ nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA,
+ dev->wiphy.bands[band]->vht_cap.cap)))
+ goto nla_put_failure;
+
/* add frequencies */
nl_freqs = nla_nest_start(msg, NL80211_BAND_ATTR_FREQS);
if (!nl_freqs)
@@ -921,7 +1080,12 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS))
goto nla_put_failure;
}
- CMD(set_channel, SET_CHANNEL);
+ if (dev->ops->set_monitor_channel || dev->ops->start_ap ||
+ dev->ops->join_mesh) {
+ i++;
+ if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL))
+ goto nla_put_failure;
+ }
CMD(set_wds_peer, SET_WDS_PEER);
if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) {
CMD(tdls_mgmt, TDLS_MGMT);
@@ -1018,6 +1182,7 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
nla_nest_end(msg, nl_ifs);
}
+#ifdef CONFIG_PM
if (dev->wiphy.wowlan.flags || dev->wiphy.wowlan.n_patterns) {
struct nlattr *nl_wowlan;
@@ -1058,6 +1223,7 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
nla_nest_end(msg, nl_wowlan);
}
+#endif
if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES,
dev->wiphy.software_iftypes))
@@ -1162,18 +1328,22 @@ static int parse_txq_params(struct nlattr *tb[],
static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev)
{
/*
- * You can only set the channel explicitly for AP, mesh
- * and WDS type interfaces; all others have their channel
- * managed via their respective "establish a connection"
- * command (connect, join, ...)
+ * You can only set the channel explicitly for WDS interfaces,
+ * all others have their channel managed via their respective
+ * "establish a connection" command (connect, join, ...)
+ *
+ * For AP/GO and mesh mode, the channel can be set with the
+ * channel userspace API, but is only stored and passed to the
+ * low-level driver when the AP starts or the mesh is joined.
+ * This is for backward compatibility, userspace can also give
+ * the channel in the start-ap or join-mesh commands instead.
*
* Monitors are special as they are normally slaved to
- * whatever else is going on, so they behave as though
- * you tried setting the wiphy channel itself.
+ * whatever else is going on, so they have their own special
+ * operation to set the monitor channel if possible.
*/
return !wdev ||
wdev->iftype == NL80211_IFTYPE_AP ||
- wdev->iftype == NL80211_IFTYPE_WDS ||
wdev->iftype == NL80211_IFTYPE_MESH_POINT ||
wdev->iftype == NL80211_IFTYPE_MONITOR ||
wdev->iftype == NL80211_IFTYPE_P2P_GO;
@@ -1204,9 +1374,14 @@ static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev,
struct genl_info *info)
{
+ struct ieee80211_channel *channel;
enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
u32 freq;
int result;
+ enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR;
+
+ if (wdev)
+ iftype = wdev->iftype;
if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
return -EINVAL;
@@ -1221,12 +1396,32 @@ static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]);
mutex_lock(&rdev->devlist_mtx);
- if (wdev) {
- wdev_lock(wdev);
- result = cfg80211_set_freq(rdev, wdev, freq, channel_type);
- wdev_unlock(wdev);
- } else {
- result = cfg80211_set_freq(rdev, NULL, freq, channel_type);
+ switch (iftype) {
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_P2P_GO:
+ if (wdev->beacon_interval) {
+ result = -EBUSY;
+ break;
+ }
+ channel = rdev_freq_to_chan(rdev, freq, channel_type);
+ if (!channel || !cfg80211_can_beacon_sec_chan(&rdev->wiphy,
+ channel,
+ channel_type)) {
+ result = -EINVAL;
+ break;
+ }
+ wdev->preset_chan = channel;
+ wdev->preset_chantype = channel_type;
+ result = 0;
+ break;
+ case NL80211_IFTYPE_MESH_POINT:
+ result = cfg80211_set_mesh_freq(rdev, wdev, freq, channel_type);
+ break;
+ case NL80211_IFTYPE_MONITOR:
+ result = cfg80211_set_monitor_channel(rdev, freq, channel_type);
+ break;
+ default:
+ result = -EINVAL;
}
mutex_unlock(&rdev->devlist_mtx);
@@ -1300,7 +1495,8 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
}
if (!netdev) {
- rdev = __cfg80211_rdev_from_info(info);
+ rdev = __cfg80211_rdev_from_attrs(genl_info_net(info),
+ info->attrs);
if (IS_ERR(rdev)) {
mutex_unlock(&cfg80211_mutex);
return PTR_ERR(rdev);
@@ -1310,8 +1506,7 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
result = 0;
mutex_lock(&rdev->mtx);
- } else if (netif_running(netdev) &&
- nl80211_can_set_dev_channel(netdev->ieee80211_ptr))
+ } else if (nl80211_can_set_dev_channel(netdev->ieee80211_ptr))
wdev = netdev->ieee80211_ptr;
else
wdev = NULL;
@@ -1534,22 +1729,32 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
return result;
}
+static inline u64 wdev_id(struct wireless_dev *wdev)
+{
+ return (u64)wdev->identifier |
+ ((u64)wiphy_to_dev(wdev->wiphy)->wiphy_idx << 32);
+}
static int nl80211_send_iface(struct sk_buff *msg, u32 pid, u32 seq, int flags,
struct cfg80211_registered_device *rdev,
- struct net_device *dev)
+ struct wireless_dev *wdev)
{
+ struct net_device *dev = wdev->netdev;
void *hdr;
hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_INTERFACE);
if (!hdr)
return -1;
- if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
- nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
- nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name) ||
- nla_put_u32(msg, NL80211_ATTR_IFTYPE,
- dev->ieee80211_ptr->iftype) ||
+ if (dev &&
+ (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
+ nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name) ||
+ nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dev->dev_addr)))
+ goto nla_put_failure;
+
+ if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
+ nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) ||
+ nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) ||
nla_put_u32(msg, NL80211_ATTR_GENERATION,
rdev->devlist_generation ^
(cfg80211_rdev_list_generation << 2)))
@@ -1559,12 +1764,13 @@ static int nl80211_send_iface(struct sk_buff *msg, u32 pid, u32 seq, int flags,
struct ieee80211_channel *chan;
enum nl80211_channel_type channel_type;
- chan = rdev->ops->get_channel(&rdev->wiphy, &channel_type);
+ chan = rdev->ops->get_channel(&rdev->wiphy, wdev,
+ &channel_type);
if (chan &&
(nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
- chan->center_freq) ||
+ chan->center_freq) ||
nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
- channel_type)))
+ channel_type)))
goto nla_put_failure;
}
@@ -1595,14 +1801,14 @@ static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *
if_idx = 0;
mutex_lock(&rdev->devlist_mtx);
- list_for_each_entry(wdev, &rdev->netdev_list, list) {
+ list_for_each_entry(wdev, &rdev->wdev_list, list) {
if (if_idx < if_start) {
if_idx++;
continue;
}
if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).pid,
cb->nlh->nlmsg_seq, NLM_F_MULTI,
- rdev, wdev->netdev) < 0) {
+ rdev, wdev) < 0) {
mutex_unlock(&rdev->devlist_mtx);
goto out;
}
@@ -1625,14 +1831,14 @@ static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
{
struct sk_buff *msg;
struct cfg80211_registered_device *dev = info->user_ptr[0];
- struct net_device *netdev = info->user_ptr[1];
+ struct wireless_dev *wdev = info->user_ptr[1];
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
if (!msg)
return -ENOMEM;
if (nl80211_send_iface(msg, info->snd_pid, info->snd_seq, 0,
- dev, netdev) < 0) {
+ dev, wdev) < 0) {
nlmsg_free(msg);
return -ENOBUFS;
}
@@ -1772,7 +1978,8 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct vif_params params;
- struct net_device *dev;
+ struct wireless_dev *wdev;
+ struct sk_buff *msg;
int err;
enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
u32 flags;
@@ -1799,19 +2006,23 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
return err;
}
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!msg)
+ return -ENOMEM;
+
err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ?
info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL,
&flags);
- dev = rdev->ops->add_virtual_intf(&rdev->wiphy,
+ wdev = rdev->ops->add_virtual_intf(&rdev->wiphy,
nla_data(info->attrs[NL80211_ATTR_IFNAME]),
type, err ? NULL : &flags, &params);
- if (IS_ERR(dev))
- return PTR_ERR(dev);
+ if (IS_ERR(wdev)) {
+ nlmsg_free(msg);
+ return PTR_ERR(wdev);
+ }
if (type == NL80211_IFTYPE_MESH_POINT &&
info->attrs[NL80211_ATTR_MESH_ID]) {
- struct wireless_dev *wdev = dev->ieee80211_ptr;
-
wdev_lock(wdev);
BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
IEEE80211_MAX_MESH_ID_LEN);
@@ -1822,18 +2033,34 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
wdev_unlock(wdev);
}
- return 0;
+ if (nl80211_send_iface(msg, info->snd_pid, info->snd_seq, 0,
+ rdev, wdev) < 0) {
+ nlmsg_free(msg);
+ return -ENOBUFS;
+ }
+
+ return genlmsg_reply(msg, info);
}
static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
- struct net_device *dev = info->user_ptr[1];
+ struct wireless_dev *wdev = info->user_ptr[1];
if (!rdev->ops->del_virtual_intf)
return -EOPNOTSUPP;
- return rdev->ops->del_virtual_intf(&rdev->wiphy, dev);
+ /*
+ * If we remove a wireless device without a netdev then clear
+ * user_ptr[1] so that nl80211_post_doit won't dereference it
+ * to check if it needs to do dev_put(). Otherwise it crashes
+ * since the wdev has been freed, unlike with a netdev where
+ * we need the dev_put() for the netdev to really be freed.
+ */
+ if (!wdev->netdev)
+ info->user_ptr[1] = NULL;
+
+ return rdev->ops->del_virtual_intf(&rdev->wiphy, wdev);
}
static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
@@ -2213,6 +2440,33 @@ static int nl80211_parse_beacon(struct genl_info *info,
return 0;
}
+static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
+ struct cfg80211_ap_settings *params)
+{
+ struct wireless_dev *wdev;
+ bool ret = false;
+
+ mutex_lock(&rdev->devlist_mtx);
+
+ list_for_each_entry(wdev, &rdev->wdev_list, list) {
+ if (wdev->iftype != NL80211_IFTYPE_AP &&
+ wdev->iftype != NL80211_IFTYPE_P2P_GO)
+ continue;
+
+ if (!wdev->preset_chan)
+ continue;
+
+ params->channel = wdev->preset_chan;
+ params->channel_type = wdev->preset_chantype;
+ ret = true;
+ break;
+ }
+
+ mutex_unlock(&rdev->devlist_mtx);
+
+ return ret;
+}
+
static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
@@ -2299,9 +2553,44 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]);
}
+ if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
+ enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
+
+ if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE] &&
+ !nl80211_valid_channel_type(info, &channel_type))
+ return -EINVAL;
+
+ params.channel = rdev_freq_to_chan(rdev,
+ nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]),
+ channel_type);
+ if (!params.channel)
+ return -EINVAL;
+ params.channel_type = channel_type;
+ } else if (wdev->preset_chan) {
+ params.channel = wdev->preset_chan;
+ params.channel_type = wdev->preset_chantype;
+ } else if (!nl80211_get_ap_channel(rdev, &params))
+ return -EINVAL;
+
+ if (!cfg80211_can_beacon_sec_chan(&rdev->wiphy, params.channel,
+ params.channel_type))
+ return -EINVAL;
+
+ mutex_lock(&rdev->devlist_mtx);
+ err = cfg80211_can_use_chan(rdev, wdev, params.channel,
+ CHAN_MODE_SHARED);
+ mutex_unlock(&rdev->devlist_mtx);
+
+ if (err)
+ return err;
+
err = rdev->ops->start_ap(&rdev->wiphy, dev, &params);
- if (!err)
+ if (!err) {
+ wdev->preset_chan = params.channel;
+ wdev->preset_chantype = params.channel_type;
wdev->beacon_interval = params.beacon_interval;
+ wdev->channel = params.channel;
+ }
return err;
}
@@ -2334,23 +2623,8 @@ static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct net_device *dev = info->user_ptr[1];
- struct wireless_dev *wdev = dev->ieee80211_ptr;
- int err;
- 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;
- return err;
+ return cfg80211_stop_ap(rdev, dev);
}
static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
@@ -2442,7 +2716,8 @@ static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info,
int attr)
{
struct nlattr *rate;
- u16 bitrate;
+ u32 bitrate;
+ u16 bitrate_compat;
rate = nla_nest_start(msg, attr);
if (!rate)
@@ -2450,8 +2725,12 @@ static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info,
/* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
bitrate = cfg80211_calculate_bitrate(info);
+ /* report 16-bit bitrate only if we can */
+ bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0;
if ((bitrate > 0 &&
- nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate)) ||
+ nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate)) ||
+ (bitrate_compat > 0 &&
+ nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat)) ||
((info->flags & RATE_INFO_FLAGS_MCS) &&
nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs)) ||
((info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH) &&
@@ -3304,6 +3583,7 @@ static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
{
int r;
char *data = NULL;
+ enum nl80211_user_reg_hint_type user_reg_hint_type;
/*
* You should only get this when cfg80211 hasn't yet initialized
@@ -3323,7 +3603,21 @@ static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
- r = regulatory_hint_user(data);
+ if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE])
+ user_reg_hint_type =
+ nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]);
+ else
+ user_reg_hint_type = NL80211_USER_REG_HINT_USER;
+
+ switch (user_reg_hint_type) {
+ case NL80211_USER_REG_HINT_USER:
+ case NL80211_USER_REG_HINT_CELL_BASE:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ r = regulatory_hint_user(data, user_reg_hint_type);
return r;
}
@@ -3413,7 +3707,13 @@ static int nl80211_get_mesh_config(struct sk_buff *skb,
nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
cur_params.rssi_threshold) ||
nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE,
- cur_params.ht_opmode))
+ cur_params.ht_opmode) ||
+ nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
+ cur_params.dot11MeshHWMPactivePathToRootTimeout) ||
+ nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
+ cur_params.dot11MeshHWMProotInterval) ||
+ nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
+ cur_params.dot11MeshHWMPconfirmationInterval))
goto nla_put_failure;
nla_nest_end(msg, pinfoattr);
genlmsg_end(msg, hdr);
@@ -3436,7 +3736,6 @@ static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_A
[NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 },
[NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 },
[NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] = { .type = NLA_U32 },
-
[NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
[NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
[NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 },
@@ -3448,8 +3747,11 @@ static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_A
[NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 },
[NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 },
[NL80211_MESHCONF_FORWARDING] = { .type = NLA_U8 },
- [NL80211_MESHCONF_RSSI_THRESHOLD] = { .type = NLA_U32},
- [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16},
+ [NL80211_MESHCONF_RSSI_THRESHOLD] = { .type = NLA_U32 },
+ [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 },
+ [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 },
+ [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] = { .type = NLA_U16 },
+ [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] = { .type = NLA_U16 },
};
static const struct nla_policy
@@ -3459,7 +3761,7 @@ static const struct nla_policy
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
[NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
[NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY,
- .len = IEEE80211_MAX_DATA_LEN },
+ .len = IEEE80211_MAX_DATA_LEN },
[NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
};
@@ -3492,63 +3794,82 @@ do {\
/* Fill in the params struct */
FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout,
- mask, NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16);
+ mask, NL80211_MESHCONF_RETRY_TIMEOUT,
+ nla_get_u16);
FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout,
- mask, NL80211_MESHCONF_CONFIRM_TIMEOUT, nla_get_u16);
+ mask, NL80211_MESHCONF_CONFIRM_TIMEOUT,
+ nla_get_u16);
FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout,
- mask, NL80211_MESHCONF_HOLDING_TIMEOUT, nla_get_u16);
+ mask, NL80211_MESHCONF_HOLDING_TIMEOUT,
+ nla_get_u16);
FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks,
- mask, NL80211_MESHCONF_MAX_PEER_LINKS, nla_get_u16);
+ mask, NL80211_MESHCONF_MAX_PEER_LINKS,
+ nla_get_u16);
FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries,
- mask, NL80211_MESHCONF_MAX_RETRIES, nla_get_u8);
+ mask, NL80211_MESHCONF_MAX_RETRIES,
+ nla_get_u8);
FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL,
- mask, NL80211_MESHCONF_TTL, nla_get_u8);
+ mask, NL80211_MESHCONF_TTL, nla_get_u8);
FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl,
- mask, NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8);
+ mask, NL80211_MESHCONF_ELEMENT_TTL,
+ nla_get_u8);
FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks,
- mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS, nla_get_u8);
- FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor,
- mask, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
- nla_get_u32);
+ mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
+ nla_get_u8);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor, mask,
+ NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
+ nla_get_u32);
FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries,
- mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
- nla_get_u8);
+ mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
+ nla_get_u8);
FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time,
- mask, NL80211_MESHCONF_PATH_REFRESH_TIME, nla_get_u32);
+ mask, NL80211_MESHCONF_PATH_REFRESH_TIME,
+ nla_get_u32);
FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout,
- mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
- nla_get_u16);
- FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
- mask, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
- nla_get_u32);
+ mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
+ nla_get_u16);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout, mask,
+ NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
+ nla_get_u32);
FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval,
- mask, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
- nla_get_u16);
+ mask, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
+ nla_get_u16);
FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval,
- mask, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
- nla_get_u16);
+ mask, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
+ nla_get_u16);
FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
- dot11MeshHWMPnetDiameterTraversalTime,
- mask, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
- nla_get_u16);
+ dot11MeshHWMPnetDiameterTraversalTime, mask,
+ NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
+ nla_get_u16);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, mask,
+ NL80211_MESHCONF_HWMP_ROOTMODE, nla_get_u8);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, mask,
+ NL80211_MESHCONF_HWMP_RANN_INTERVAL,
+ nla_get_u16);
FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
- dot11MeshHWMPRootMode, mask,
- NL80211_MESHCONF_HWMP_ROOTMODE,
- nla_get_u8);
- FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
- dot11MeshHWMPRannInterval, mask,
- NL80211_MESHCONF_HWMP_RANN_INTERVAL,
- nla_get_u16);
- FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
- dot11MeshGateAnnouncementProtocol, mask,
- NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
- nla_get_u8);
+ dot11MeshGateAnnouncementProtocol, mask,
+ NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
+ nla_get_u8);
FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding,
- mask, NL80211_MESHCONF_FORWARDING, nla_get_u8);
+ mask, NL80211_MESHCONF_FORWARDING,
+ nla_get_u8);
FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold,
- mask, NL80211_MESHCONF_RSSI_THRESHOLD, nla_get_u32);
+ mask, NL80211_MESHCONF_RSSI_THRESHOLD,
+ nla_get_u32);
FILL_IN_MESH_PARAM_IF_SET(tb, cfg, ht_opmode,
- mask, NL80211_MESHCONF_HT_OPMODE, nla_get_u16);
+ mask, NL80211_MESHCONF_HT_OPMODE,
+ nla_get_u16);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathToRootTimeout,
+ mask,
+ NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
+ nla_get_u32);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval,
+ mask, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
+ nla_get_u16);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
+ dot11MeshHWMPconfirmationInterval, mask,
+ NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
+ nla_get_u16);
if (mask_out)
*mask_out = mask;
@@ -3666,6 +3987,11 @@ static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info)
cfg80211_regdomain->dfs_region)))
goto nla_put_failure;
+ if (reg_last_request_cell_base() &&
+ nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
+ NL80211_USER_REG_HINT_CELL_BASE))
+ goto nla_put_failure;
+
nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES);
if (!nl_reg_rules)
goto nla_put_failure;
@@ -3831,7 +4157,7 @@ static int validate_scan_freqs(struct nlattr *freqs)
static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
- struct net_device *dev = info->user_ptr[1];
+ struct wireless_dev *wdev = info->user_ptr[1];
struct cfg80211_scan_request *request;
struct nlattr *attr;
struct wiphy *wiphy;
@@ -3991,15 +4317,16 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
request->no_cck =
nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
- request->dev = dev;
+ request->wdev = wdev;
request->wiphy = &rdev->wiphy;
rdev->scan_req = request;
- err = rdev->ops->scan(&rdev->wiphy, dev, request);
+ err = rdev->ops->scan(&rdev->wiphy, request);
if (!err) {
- nl80211_send_scan_start(rdev, dev);
- dev_hold(dev);
+ nl80211_send_scan_start(rdev, wdev);
+ if (wdev->netdev)
+ dev_hold(wdev->netdev);
} else {
out_free:
rdev->scan_req = NULL;
@@ -4185,12 +4512,12 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
nla_for_each_nested(attr,
info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
tmp) {
- struct nlattr *ssid;
+ struct nlattr *ssid, *rssi;
nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
nla_data(attr), nla_len(attr),
nl80211_match_policy);
- ssid = tb[NL80211_ATTR_SCHED_SCAN_MATCH_SSID];
+ ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID];
if (ssid) {
if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) {
err = -EINVAL;
@@ -4201,6 +4528,12 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
request->match_sets[i].ssid.ssid_len =
nla_len(ssid);
}
+ rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
+ if (rssi)
+ request->rssi_thold = nla_get_u32(rssi);
+ else
+ request->rssi_thold =
+ NL80211_SCAN_RSSI_THOLD_OFF;
i++;
}
}
@@ -5058,21 +5391,18 @@ static int nl80211_testmode_dump(struct sk_buff *skb,
nl80211_policy);
if (err)
return err;
- if (nl80211_fam.attrbuf[NL80211_ATTR_WIPHY]) {
- phy_idx = nla_get_u32(
- nl80211_fam.attrbuf[NL80211_ATTR_WIPHY]);
- } else {
- struct net_device *netdev;
- err = get_rdev_dev_by_ifindex(sock_net(skb->sk),
- nl80211_fam.attrbuf,
- &rdev, &netdev);
- if (err)
- return err;
- dev_put(netdev);
- phy_idx = rdev->wiphy_idx;
- cfg80211_unlock_rdev(rdev);
+ mutex_lock(&cfg80211_mutex);
+ rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk),
+ nl80211_fam.attrbuf);
+ if (IS_ERR(rdev)) {
+ mutex_unlock(&cfg80211_mutex);
+ return PTR_ERR(rdev);
}
+ phy_idx = rdev->wiphy_idx;
+ rdev = NULL;
+ mutex_unlock(&cfg80211_mutex);
+
if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA])
cb->args[1] =
(long)nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA];
@@ -5474,7 +5804,7 @@ static int nl80211_remain_on_channel(struct sk_buff *skb,
struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
- struct net_device *dev = info->user_ptr[1];
+ struct wireless_dev *wdev = info->user_ptr[1];
struct ieee80211_channel *chan;
struct sk_buff *msg;
void *hdr;
@@ -5489,18 +5819,18 @@ static int nl80211_remain_on_channel(struct sk_buff *skb,
duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
+ if (!rdev->ops->remain_on_channel ||
+ !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
+ return -EOPNOTSUPP;
+
/*
- * We should be on that channel for at least one jiffie,
- * and more than 5 seconds seems excessive.
+ * We should be on that channel for at least a minimum amount of
+ * time (10ms) but no longer than the driver supports.
*/
- if (!duration || !msecs_to_jiffies(duration) ||
+ if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
duration > rdev->wiphy.max_remain_on_channel_duration)
return -EINVAL;
- if (!rdev->ops->remain_on_channel ||
- !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
- return -EOPNOTSUPP;
-
if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE] &&
!nl80211_valid_channel_type(info, &channel_type))
return -EINVAL;
@@ -5522,7 +5852,7 @@ static int nl80211_remain_on_channel(struct sk_buff *skb,
goto free_msg;
}
- err = rdev->ops->remain_on_channel(&rdev->wiphy, dev, chan,
+ err = rdev->ops->remain_on_channel(&rdev->wiphy, wdev, chan,
channel_type, duration, &cookie);
if (err)
@@ -5546,7 +5876,7 @@ static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
- struct net_device *dev = info->user_ptr[1];
+ struct wireless_dev *wdev = info->user_ptr[1];
u64 cookie;
if (!info->attrs[NL80211_ATTR_COOKIE])
@@ -5557,7 +5887,7 @@ static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
- return rdev->ops->cancel_remain_on_channel(&rdev->wiphy, dev, cookie);
+ return rdev->ops->cancel_remain_on_channel(&rdev->wiphy, wdev, cookie);
}
static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
@@ -5706,7 +6036,7 @@ static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
- struct net_device *dev = info->user_ptr[1];
+ struct wireless_dev *wdev = info->user_ptr[1];
u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
@@ -5715,21 +6045,24 @@ static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
if (info->attrs[NL80211_ATTR_FRAME_TYPE])
frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
- if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
- dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
- dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
- dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
- dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
- dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
- dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
+ switch (wdev->iftype) {
+ case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_ADHOC:
+ case NL80211_IFTYPE_P2P_CLIENT:
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_AP_VLAN:
+ case NL80211_IFTYPE_MESH_POINT:
+ case NL80211_IFTYPE_P2P_GO:
+ break;
+ default:
return -EOPNOTSUPP;
+ }
/* not much point in registering if we can't reply */
if (!rdev->ops->mgmt_tx)
return -EOPNOTSUPP;
- return cfg80211_mlme_register_mgmt(dev->ieee80211_ptr, info->snd_pid,
- frame_type,
+ return cfg80211_mlme_register_mgmt(wdev, info->snd_pid, frame_type,
nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]));
}
@@ -5737,7 +6070,7 @@ static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
- struct net_device *dev = info->user_ptr[1];
+ struct wireless_dev *wdev = info->user_ptr[1];
struct ieee80211_channel *chan;
enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
bool channel_type_valid = false;
@@ -5758,19 +6091,32 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
if (!rdev->ops->mgmt_tx)
return -EOPNOTSUPP;
- if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
- dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
- dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
- dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
- dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
- dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
- dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
+ switch (wdev->iftype) {
+ case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_ADHOC:
+ case NL80211_IFTYPE_P2P_CLIENT:
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_AP_VLAN:
+ case NL80211_IFTYPE_MESH_POINT:
+ case NL80211_IFTYPE_P2P_GO:
+ break;
+ default:
return -EOPNOTSUPP;
+ }
if (info->attrs[NL80211_ATTR_DURATION]) {
if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
return -EINVAL;
wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
+
+ /*
+ * We should wait on the channel for at least a minimum amount
+ * of time (10ms) but no longer than the driver supports.
+ */
+ if (wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
+ wait > rdev->wiphy.max_remain_on_channel_duration)
+ return -EINVAL;
+
}
if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
@@ -5805,7 +6151,7 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
}
}
- err = cfg80211_mlme_mgmt_tx(rdev, dev, chan, offchan, channel_type,
+ err = cfg80211_mlme_mgmt_tx(rdev, wdev, chan, offchan, channel_type,
channel_type_valid, wait,
nla_data(info->attrs[NL80211_ATTR_FRAME]),
nla_len(info->attrs[NL80211_ATTR_FRAME]),
@@ -5833,7 +6179,7 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
- struct net_device *dev = info->user_ptr[1];
+ struct wireless_dev *wdev = info->user_ptr[1];
u64 cookie;
if (!info->attrs[NL80211_ATTR_COOKIE])
@@ -5842,17 +6188,21 @@ static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *in
if (!rdev->ops->mgmt_tx_cancel_wait)
return -EOPNOTSUPP;
- if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
- dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
- dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
- dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
- dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
- dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
+ switch (wdev->iftype) {
+ case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_ADHOC:
+ case NL80211_IFTYPE_P2P_CLIENT:
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_AP_VLAN:
+ case NL80211_IFTYPE_P2P_GO:
+ break;
+ default:
return -EOPNOTSUPP;
+ }
cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
- return rdev->ops->mgmt_tx_cancel_wait(&rdev->wiphy, dev, cookie);
+ return rdev->ops->mgmt_tx_cancel_wait(&rdev->wiphy, wdev, cookie);
}
static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
@@ -5938,8 +6288,35 @@ nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] __read_mostly = {
[NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 },
[NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
+ [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
+ [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
+ [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
};
+static int nl80211_set_cqm_txe(struct genl_info *info,
+ u32 rate, u32 pkts, u32 intvl)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct wireless_dev *wdev;
+ struct net_device *dev = info->user_ptr[1];
+
+ if ((rate < 0 || rate > 100) ||
+ (intvl < 0 || intvl > NL80211_CQM_TXE_MAX_INTVL))
+ return -EINVAL;
+
+ wdev = dev->ieee80211_ptr;
+
+ if (!rdev->ops->set_cqm_txe_config)
+ return -EOPNOTSUPP;
+
+ if (wdev->iftype != NL80211_IFTYPE_STATION &&
+ wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
+ return -EOPNOTSUPP;
+
+ return rdev->ops->set_cqm_txe_config(wdev->wiphy, dev,
+ rate, pkts, intvl);
+}
+
static int nl80211_set_cqm_rssi(struct genl_info *info,
s32 threshold, u32 hysteresis)
{
@@ -5987,6 +6364,14 @@ static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
threshold = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
err = nl80211_set_cqm_rssi(info, threshold, hysteresis);
+ } else if (attrs[NL80211_ATTR_CQM_TXE_RATE] &&
+ attrs[NL80211_ATTR_CQM_TXE_PKTS] &&
+ attrs[NL80211_ATTR_CQM_TXE_INTVL]) {
+ u32 rate, pkts, intvl;
+ rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]);
+ pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]);
+ intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]);
+ err = nl80211_set_cqm_txe(info, rate, pkts, intvl);
} else
err = -EINVAL;
@@ -6032,6 +6417,24 @@ static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
return err;
}
+ if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
+ enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
+
+ if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE] &&
+ !nl80211_valid_channel_type(info, &channel_type))
+ return -EINVAL;
+
+ setup.channel = rdev_freq_to_chan(rdev,
+ nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]),
+ channel_type);
+ if (!setup.channel)
+ return -EINVAL;
+ setup.channel_type = channel_type;
+ } else {
+ /* cfg80211_join_mesh() will sort it out */
+ setup.channel = NULL;
+ }
+
return cfg80211_join_mesh(rdev, dev, &setup, &cfg);
}
@@ -6043,6 +6446,7 @@ static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
return cfg80211_leave_mesh(rdev, dev);
}
+#ifdef CONFIG_PM
static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
@@ -6124,8 +6528,8 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
- struct cfg80211_wowlan no_triggers = {};
struct cfg80211_wowlan new_triggers = {};
+ struct cfg80211_wowlan *ntrig;
struct wiphy_wowlan_support *wowlan = &rdev->wiphy.wowlan;
int err, i;
bool prev_enabled = rdev->wowlan;
@@ -6133,8 +6537,11 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns)
return -EOPNOTSUPP;
- if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS])
- goto no_triggers;
+ if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
+ cfg80211_rdev_free_wowlan(rdev);
+ rdev->wowlan = NULL;
+ goto set_wakeup;
+ }
err = nla_parse(tb, MAX_NL80211_WOWLAN_TRIG,
nla_data(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]),
@@ -6245,22 +6652,15 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
}
}
- if (memcmp(&new_triggers, &no_triggers, sizeof(new_triggers))) {
- struct cfg80211_wowlan *ntrig;
- ntrig = kmemdup(&new_triggers, sizeof(new_triggers),
- GFP_KERNEL);
- if (!ntrig) {
- err = -ENOMEM;
- goto error;
- }
- cfg80211_rdev_free_wowlan(rdev);
- rdev->wowlan = ntrig;
- } else {
- no_triggers:
- cfg80211_rdev_free_wowlan(rdev);
- rdev->wowlan = NULL;
+ ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
+ if (!ntrig) {
+ err = -ENOMEM;
+ goto error;
}
+ cfg80211_rdev_free_wowlan(rdev);
+ rdev->wowlan = ntrig;
+ set_wakeup:
if (rdev->ops->set_wakeup && prev_enabled != !!rdev->wowlan)
rdev->ops->set_wakeup(&rdev->wiphy, rdev->wowlan);
@@ -6271,6 +6671,7 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
kfree(new_triggers.patterns);
return err;
}
+#endif
static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
{
@@ -6415,44 +6816,75 @@ static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
#define NL80211_FLAG_CHECK_NETDEV_UP 0x08
#define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
NL80211_FLAG_CHECK_NETDEV_UP)
+#define NL80211_FLAG_NEED_WDEV 0x10
+/* If a netdev is associated, it must be UP */
+#define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
+ NL80211_FLAG_CHECK_NETDEV_UP)
static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb,
struct genl_info *info)
{
struct cfg80211_registered_device *rdev;
+ struct wireless_dev *wdev;
struct net_device *dev;
- int err;
bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL;
if (rtnl)
rtnl_lock();
if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) {
- rdev = cfg80211_get_dev_from_info(info);
+ rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
if (IS_ERR(rdev)) {
if (rtnl)
rtnl_unlock();
return PTR_ERR(rdev);
}
info->user_ptr[0] = rdev;
- } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
- err = get_rdev_dev_by_ifindex(genl_info_net(info), info->attrs,
- &rdev, &dev);
- if (err) {
+ } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV ||
+ ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
+ mutex_lock(&cfg80211_mutex);
+ wdev = __cfg80211_wdev_from_attrs(genl_info_net(info),
+ info->attrs);
+ if (IS_ERR(wdev)) {
+ mutex_unlock(&cfg80211_mutex);
if (rtnl)
rtnl_unlock();
- return err;
+ return PTR_ERR(wdev);
}
- if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
- !netif_running(dev)) {
- cfg80211_unlock_rdev(rdev);
- dev_put(dev);
- if (rtnl)
- rtnl_unlock();
- return -ENETDOWN;
+
+ dev = wdev->netdev;
+ rdev = wiphy_to_dev(wdev->wiphy);
+
+ if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
+ if (!dev) {
+ mutex_unlock(&cfg80211_mutex);
+ if (rtnl)
+ rtnl_unlock();
+ return -EINVAL;
+ }
+
+ info->user_ptr[1] = dev;
+ } else {
+ info->user_ptr[1] = wdev;
}
+
+ if (dev) {
+ if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
+ !netif_running(dev)) {
+ mutex_unlock(&cfg80211_mutex);
+ if (rtnl)
+ rtnl_unlock();
+ return -ENETDOWN;
+ }
+
+ dev_hold(dev);
+ }
+
+ cfg80211_lock_rdev(rdev);
+
+ mutex_unlock(&cfg80211_mutex);
+
info->user_ptr[0] = rdev;
- info->user_ptr[1] = dev;
}
return 0;
@@ -6463,8 +6895,16 @@ static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb,
{
if (info->user_ptr[0])
cfg80211_unlock_rdev(info->user_ptr[0]);
- if (info->user_ptr[1])
- dev_put(info->user_ptr[1]);
+ if (info->user_ptr[1]) {
+ if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
+ struct wireless_dev *wdev = info->user_ptr[1];
+
+ if (wdev->netdev)
+ dev_put(wdev->netdev);
+ } else {
+ dev_put(info->user_ptr[1]);
+ }
+ }
if (ops->internal_flags & NL80211_FLAG_NEED_RTNL)
rtnl_unlock();
}
@@ -6491,7 +6931,7 @@ static struct genl_ops nl80211_ops[] = {
.dumpit = nl80211_dump_interface,
.policy = nl80211_policy,
/* can be retrieved by unprivileged users */
- .internal_flags = NL80211_FLAG_NEED_NETDEV,
+ .internal_flags = NL80211_FLAG_NEED_WDEV,
},
{
.cmd = NL80211_CMD_SET_INTERFACE,
@@ -6514,7 +6954,7 @@ static struct genl_ops nl80211_ops[] = {
.doit = nl80211_del_interface,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ .internal_flags = NL80211_FLAG_NEED_WDEV |
NL80211_FLAG_NEED_RTNL,
},
{
@@ -6685,7 +7125,7 @@ static struct genl_ops nl80211_ops[] = {
.doit = nl80211_trigger_scan,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
NL80211_FLAG_NEED_RTNL,
},
{
@@ -6826,7 +7266,7 @@ static struct genl_ops nl80211_ops[] = {
.doit = nl80211_remain_on_channel,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
NL80211_FLAG_NEED_RTNL,
},
{
@@ -6834,7 +7274,7 @@ static struct genl_ops nl80211_ops[] = {
.doit = nl80211_cancel_remain_on_channel,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
NL80211_FLAG_NEED_RTNL,
},
{
@@ -6850,7 +7290,7 @@ static struct genl_ops nl80211_ops[] = {
.doit = nl80211_register_mgmt,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ .internal_flags = NL80211_FLAG_NEED_WDEV |
NL80211_FLAG_NEED_RTNL,
},
{
@@ -6858,7 +7298,7 @@ static struct genl_ops nl80211_ops[] = {
.doit = nl80211_tx_mgmt,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
NL80211_FLAG_NEED_RTNL,
},
{
@@ -6866,7 +7306,7 @@ static struct genl_ops nl80211_ops[] = {
.doit = nl80211_tx_mgmt_cancel_wait,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
NL80211_FLAG_NEED_RTNL,
},
{
@@ -6925,6 +7365,7 @@ static struct genl_ops nl80211_ops[] = {
.internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
NL80211_FLAG_NEED_RTNL,
},
+#ifdef CONFIG_PM
{
.cmd = NL80211_CMD_GET_WOWLAN,
.doit = nl80211_get_wowlan,
@@ -6941,6 +7382,7 @@ static struct genl_ops nl80211_ops[] = {
.internal_flags = NL80211_FLAG_NEED_WIPHY |
NL80211_FLAG_NEED_RTNL,
},
+#endif
{
.cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
.doit = nl80211_set_rekey_data,
@@ -7075,7 +7517,7 @@ static int nl80211_add_scan_req(struct sk_buff *msg,
static int nl80211_send_scan_msg(struct sk_buff *msg,
struct cfg80211_registered_device *rdev,
- struct net_device *netdev,
+ struct wireless_dev *wdev,
u32 pid, u32 seq, int flags,
u32 cmd)
{
@@ -7086,7 +7528,9 @@ static int nl80211_send_scan_msg(struct sk_buff *msg,
return -1;
if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
- nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
+ (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
+ wdev->netdev->ifindex)) ||
+ nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
goto nla_put_failure;
/* ignore errors and send incomplete event anyway */
@@ -7123,15 +7567,15 @@ nl80211_send_sched_scan_msg(struct sk_buff *msg,
}
void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
- struct net_device *netdev)
+ struct wireless_dev *wdev)
{
struct sk_buff *msg;
- msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
if (!msg)
return;
- if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0,
+ if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0,
NL80211_CMD_TRIGGER_SCAN) < 0) {
nlmsg_free(msg);
return;
@@ -7142,7 +7586,7 @@ void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
}
void nl80211_send_scan_done(struct cfg80211_registered_device *rdev,
- struct net_device *netdev)
+ struct wireless_dev *wdev)
{
struct sk_buff *msg;
@@ -7150,7 +7594,7 @@ void nl80211_send_scan_done(struct cfg80211_registered_device *rdev,
if (!msg)
return;
- if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0,
+ if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0,
NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
nlmsg_free(msg);
return;
@@ -7161,7 +7605,7 @@ void nl80211_send_scan_done(struct cfg80211_registered_device *rdev,
}
void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev,
- struct net_device *netdev)
+ struct wireless_dev *wdev)
{
struct sk_buff *msg;
@@ -7169,7 +7613,7 @@ void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev,
if (!msg)
return;
- if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0,
+ if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0,
NL80211_CMD_SCAN_ABORTED) < 0) {
nlmsg_free(msg);
return;
@@ -7203,7 +7647,7 @@ void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev,
{
struct sk_buff *msg;
- msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
if (!msg)
return;
@@ -7419,7 +7863,7 @@ void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
struct sk_buff *msg;
void *hdr;
- msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
if (!msg)
return;
@@ -7459,7 +7903,7 @@ void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
struct sk_buff *msg;
void *hdr;
- msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
if (!msg)
return;
@@ -7497,7 +7941,7 @@ void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
struct sk_buff *msg;
void *hdr;
- msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
if (!msg)
return;
@@ -7692,7 +8136,7 @@ nla_put_failure:
static void nl80211_send_remain_on_chan_event(
int cmd, struct cfg80211_registered_device *rdev,
- struct net_device *netdev, u64 cookie,
+ struct wireless_dev *wdev, u64 cookie,
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type,
unsigned int duration, gfp_t gfp)
@@ -7711,7 +8155,9 @@ static void nl80211_send_remain_on_chan_event(
}
if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
- nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
+ (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
+ wdev->netdev->ifindex)) ||
+ nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) ||
nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, channel_type) ||
nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie))
@@ -7733,23 +8179,24 @@ static void nl80211_send_remain_on_chan_event(
}
void nl80211_send_remain_on_channel(struct cfg80211_registered_device *rdev,
- struct net_device *netdev, u64 cookie,
+ struct wireless_dev *wdev, u64 cookie,
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type,
unsigned int duration, gfp_t gfp)
{
nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
- rdev, netdev, cookie, chan,
+ rdev, wdev, cookie, chan,
channel_type, duration, gfp);
}
void nl80211_send_remain_on_channel_cancel(
- struct cfg80211_registered_device *rdev, struct net_device *netdev,
+ struct cfg80211_registered_device *rdev,
+ struct wireless_dev *wdev,
u64 cookie, struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type, gfp_t gfp)
{
nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
- rdev, netdev, cookie, chan,
+ rdev, wdev, cookie, chan,
channel_type, 0, gfp);
}
@@ -7759,7 +8206,7 @@ void nl80211_send_sta_event(struct cfg80211_registered_device *rdev,
{
struct sk_buff *msg;
- msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
if (!msg)
return;
@@ -7780,7 +8227,7 @@ void nl80211_send_sta_del_event(struct cfg80211_registered_device *rdev,
struct sk_buff *msg;
void *hdr;
- msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
if (!msg)
return;
@@ -7863,10 +8310,11 @@ bool nl80211_unexpected_4addr_frame(struct net_device *dev,
}
int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
- struct net_device *netdev, u32 nlpid,
+ struct wireless_dev *wdev, u32 nlpid,
int freq, int sig_dbm,
const u8 *buf, size_t len, gfp_t gfp)
{
+ struct net_device *netdev = wdev->netdev;
struct sk_buff *msg;
void *hdr;
@@ -7881,7 +8329,8 @@ int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
}
if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
- nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
+ (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
+ netdev->ifindex)) ||
nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
(sig_dbm &&
nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
@@ -7899,10 +8348,11 @@ int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
}
void nl80211_send_mgmt_tx_status(struct cfg80211_registered_device *rdev,
- struct net_device *netdev, u64 cookie,
+ struct wireless_dev *wdev, u64 cookie,
const u8 *buf, size_t len, bool ack,
gfp_t gfp)
{
+ struct net_device *netdev = wdev->netdev;
struct sk_buff *msg;
void *hdr;
@@ -7917,7 +8367,8 @@ void nl80211_send_mgmt_tx_status(struct cfg80211_registered_device *rdev,
}
if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
- nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
+ (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
+ netdev->ifindex)) ||
nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) ||
(ack && nla_put_flag(msg, NL80211_ATTR_ACK)))
@@ -7943,7 +8394,7 @@ nl80211_send_cqm_rssi_notify(struct cfg80211_registered_device *rdev,
struct nlattr *pinfoattr;
void *hdr;
- msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
if (!msg)
return;
@@ -7986,7 +8437,7 @@ void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
struct nlattr *rekey_attr;
void *hdr;
- msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
if (!msg)
return;
@@ -8030,7 +8481,7 @@ void nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
struct nlattr *attr;
void *hdr;
- msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
if (!msg)
return;
@@ -8074,7 +8525,7 @@ void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
struct sk_buff *msg;
void *hdr;
- msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
if (!msg)
return;
@@ -8101,6 +8552,56 @@ void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
}
void
+nl80211_send_cqm_txe_notify(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, const u8 *peer,
+ u32 num_packets, u32 rate, u32 intvl, gfp_t gfp)
+{
+ struct sk_buff *msg;
+ struct nlattr *pinfoattr;
+ void *hdr;
+
+ msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ if (!msg)
+ return;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
+ if (!hdr) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
+ nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
+ nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer))
+ goto nla_put_failure;
+
+ pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM);
+ if (!pinfoattr)
+ goto nla_put_failure;
+
+ if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets))
+ goto nla_put_failure;
+
+ if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate))
+ goto nla_put_failure;
+
+ if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl))
+ goto nla_put_failure;
+
+ nla_nest_end(msg, pinfoattr);
+
+ genlmsg_end(msg, hdr);
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
+ return;
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
+}
+
+void
nl80211_send_cqm_pktloss_notify(struct cfg80211_registered_device *rdev,
struct net_device *netdev, const u8 *peer,
u32 num_packets, gfp_t gfp)
@@ -8109,7 +8610,7 @@ nl80211_send_cqm_pktloss_notify(struct cfg80211_registered_device *rdev,
struct nlattr *pinfoattr;
void *hdr;
- msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
if (!msg)
return;
@@ -8153,7 +8654,7 @@ void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
void *hdr;
int err;
- msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
if (!msg)
return;
@@ -8241,7 +8742,7 @@ static int nl80211_netlink_notify(struct notifier_block * nb,
rcu_read_lock();
list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
- list_for_each_entry_rcu(wdev, &rdev->netdev_list, list)
+ list_for_each_entry_rcu(wdev, &rdev->wdev_list, list)
cfg80211_mlme_unregister_socket(wdev, notify->pid);
if (rdev->ap_beacons_nlpid == notify->pid)
rdev->ap_beacons_nlpid = 0;
diff --git a/net/wireless/nl80211.h b/net/wireless/nl80211.h
index 01a1122c3b33..9f2616fffb40 100644
--- a/net/wireless/nl80211.h
+++ b/net/wireless/nl80211.h
@@ -7,11 +7,11 @@ int nl80211_init(void);
void nl80211_exit(void);
void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev);
void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
- struct net_device *netdev);
+ struct wireless_dev *wdev);
void nl80211_send_scan_done(struct cfg80211_registered_device *rdev,
- struct net_device *netdev);
+ struct wireless_dev *wdev);
void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev,
- struct net_device *netdev);
+ struct wireless_dev *wdev);
void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev,
struct net_device *netdev, u32 cmd);
void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev,
@@ -74,13 +74,13 @@ void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
gfp_t gfp);
void nl80211_send_remain_on_channel(struct cfg80211_registered_device *rdev,
- struct net_device *netdev,
- u64 cookie,
+ struct wireless_dev *wdev, u64 cookie,
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type,
unsigned int duration, gfp_t gfp);
void nl80211_send_remain_on_channel_cancel(
- struct cfg80211_registered_device *rdev, struct net_device *netdev,
+ struct cfg80211_registered_device *rdev,
+ struct wireless_dev *wdev,
u64 cookie, struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type, gfp_t gfp);
@@ -92,11 +92,11 @@ void nl80211_send_sta_del_event(struct cfg80211_registered_device *rdev,
gfp_t gfp);
int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
- struct net_device *netdev, u32 nlpid,
+ struct wireless_dev *wdev, u32 nlpid,
int freq, int sig_dbm,
const u8 *buf, size_t len, gfp_t gfp);
void nl80211_send_mgmt_tx_status(struct cfg80211_registered_device *rdev,
- struct net_device *netdev, u64 cookie,
+ struct wireless_dev *wdev, u64 cookie,
const u8 *buf, size_t len, bool ack,
gfp_t gfp);
@@ -110,6 +110,11 @@ nl80211_send_cqm_pktloss_notify(struct cfg80211_registered_device *rdev,
struct net_device *netdev, const u8 *peer,
u32 num_packets, gfp_t gfp);
+void
+nl80211_send_cqm_txe_notify(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, const u8 *peer,
+ u32 num_packets, u32 rate, u32 intvl, gfp_t gfp);
+
void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
struct net_device *netdev, const u8 *bssid,
const u8 *replay_ctr, gfp_t gfp);
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 460af03d8149..a9175fedeb59 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -97,9 +97,16 @@ const struct ieee80211_regdomain *cfg80211_regdomain;
* - cfg80211_world_regdom
* - cfg80211_regdom
* - last_request
+ * - reg_num_devs_support_basehint
*/
static DEFINE_MUTEX(reg_mutex);
+/*
+ * Number of devices that registered to the core
+ * that support cellular base station regulatory hints
+ */
+static int reg_num_devs_support_basehint;
+
static inline void assert_reg_lock(void)
{
lockdep_assert_held(&reg_mutex);
@@ -129,7 +136,7 @@ static DECLARE_DELAYED_WORK(reg_timeout, reg_timeout_work);
/* We keep a static world regulatory domain in case of the absence of CRDA */
static const struct ieee80211_regdomain world_regdom = {
- .n_reg_rules = 5,
+ .n_reg_rules = 6,
.alpha2 = "00",
.reg_rules = {
/* IEEE 802.11b/g, channels 1..11 */
@@ -156,6 +163,9 @@ static const struct ieee80211_regdomain world_regdom = {
REG_RULE(5745-10, 5825+10, 40, 6, 20,
NL80211_RRF_PASSIVE_SCAN |
NL80211_RRF_NO_IBSS),
+
+ /* IEEE 802.11ad (60gHz), channels 1..3 */
+ REG_RULE(56160+2160*1-1080, 56160+2160*3+1080, 2160, 0, 0, 0),
}
};
@@ -922,6 +932,61 @@ static void handle_band(struct wiphy *wiphy,
handle_channel(wiphy, initiator, band, i);
}
+static bool reg_request_cell_base(struct regulatory_request *request)
+{
+ if (request->initiator != NL80211_REGDOM_SET_BY_USER)
+ return false;
+ if (request->user_reg_hint_type != NL80211_USER_REG_HINT_CELL_BASE)
+ return false;
+ return true;
+}
+
+bool reg_last_request_cell_base(void)
+{
+ bool val;
+ assert_cfg80211_lock();
+
+ mutex_lock(&reg_mutex);
+ val = reg_request_cell_base(last_request);
+ mutex_unlock(&reg_mutex);
+ return val;
+}
+
+#ifdef CONFIG_CFG80211_CERTIFICATION_ONUS
+
+/* Core specific check */
+static int reg_ignore_cell_hint(struct regulatory_request *pending_request)
+{
+ if (!reg_num_devs_support_basehint)
+ return -EOPNOTSUPP;
+
+ if (reg_request_cell_base(last_request)) {
+ if (!regdom_changes(pending_request->alpha2))
+ return -EALREADY;
+ return 0;
+ }
+ return 0;
+}
+
+/* Device specific check */
+static bool reg_dev_ignore_cell_hint(struct wiphy *wiphy)
+{
+ if (!(wiphy->features & NL80211_FEATURE_CELL_BASE_REG_HINTS))
+ return true;
+ return false;
+}
+#else
+static int reg_ignore_cell_hint(struct regulatory_request *pending_request)
+{
+ return -EOPNOTSUPP;
+}
+static int reg_dev_ignore_cell_hint(struct wiphy *wiphy)
+{
+ return true;
+}
+#endif
+
+
static bool ignore_reg_update(struct wiphy *wiphy,
enum nl80211_reg_initiator initiator)
{
@@ -955,6 +1020,9 @@ static bool ignore_reg_update(struct wiphy *wiphy,
return true;
}
+ if (reg_request_cell_base(last_request))
+ return reg_dev_ignore_cell_hint(wiphy);
+
return false;
}
@@ -1180,14 +1248,6 @@ static void wiphy_update_regulatory(struct wiphy *wiphy,
wiphy->reg_notifier(wiphy, last_request);
}
-void regulatory_update(struct wiphy *wiphy,
- enum nl80211_reg_initiator setby)
-{
- mutex_lock(&reg_mutex);
- wiphy_update_regulatory(wiphy, setby);
- mutex_unlock(&reg_mutex);
-}
-
static void update_all_wiphy_regulatory(enum nl80211_reg_initiator initiator)
{
struct cfg80211_registered_device *rdev;
@@ -1318,6 +1378,13 @@ static int ignore_request(struct wiphy *wiphy,
return 0;
case NL80211_REGDOM_SET_BY_COUNTRY_IE:
+ if (reg_request_cell_base(last_request)) {
+ /* Trust a Cell base station over the AP's country IE */
+ if (regdom_changes(pending_request->alpha2))
+ return -EOPNOTSUPP;
+ return -EALREADY;
+ }
+
last_wiphy = wiphy_idx_to_wiphy(last_request->wiphy_idx);
if (unlikely(!is_an_alpha2(pending_request->alpha2)))
@@ -1362,6 +1429,12 @@ static int ignore_request(struct wiphy *wiphy,
return REG_INTERSECT;
case NL80211_REGDOM_SET_BY_USER:
+ if (reg_request_cell_base(pending_request))
+ return reg_ignore_cell_hint(pending_request);
+
+ if (reg_request_cell_base(last_request))
+ return -EOPNOTSUPP;
+
if (last_request->initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE)
return REG_INTERSECT;
/*
@@ -1651,7 +1724,8 @@ static int regulatory_hint_core(const char *alpha2)
}
/* User hints */
-int regulatory_hint_user(const char *alpha2)
+int regulatory_hint_user(const char *alpha2,
+ enum nl80211_user_reg_hint_type user_reg_hint_type)
{
struct regulatory_request *request;
@@ -1665,6 +1739,7 @@ int regulatory_hint_user(const char *alpha2)
request->alpha2[0] = alpha2[0];
request->alpha2[1] = alpha2[1];
request->initiator = NL80211_REGDOM_SET_BY_USER;
+ request->user_reg_hint_type = user_reg_hint_type;
queue_regulatory_request(request);
@@ -1917,7 +1992,7 @@ static void restore_regulatory_settings(bool reset_user)
* settings, user regulatory settings takes precedence.
*/
if (is_an_alpha2(alpha2))
- regulatory_hint_user(user_alpha2);
+ regulatory_hint_user(user_alpha2, NL80211_USER_REG_HINT_USER);
if (list_empty(&tmp_reg_req_list))
return;
@@ -2092,9 +2167,16 @@ static void print_regdomain(const struct ieee80211_regdomain *rd)
else {
if (is_unknown_alpha2(rd->alpha2))
pr_info("Regulatory domain changed to driver built-in settings (unknown country)\n");
- else
- pr_info("Regulatory domain changed to country: %c%c\n",
- rd->alpha2[0], rd->alpha2[1]);
+ else {
+ if (reg_request_cell_base(last_request))
+ pr_info("Regulatory domain changed "
+ "to country: %c%c by Cell Station\n",
+ rd->alpha2[0], rd->alpha2[1]);
+ else
+ pr_info("Regulatory domain changed "
+ "to country: %c%c\n",
+ rd->alpha2[0], rd->alpha2[1]);
+ }
}
print_dfs_region(rd->dfs_region);
print_rd_rules(rd);
@@ -2139,7 +2221,7 @@ static int __set_regdom(const struct ieee80211_regdomain *rd)
* checking if the alpha2 changes if CRDA was already called
*/
if (!regdom_changes(rd->alpha2))
- return -EINVAL;
+ return -EALREADY;
}
/*
@@ -2259,6 +2341,9 @@ int set_regdom(const struct ieee80211_regdomain *rd)
/* Note that this doesn't update the wiphys, this is done below */
r = __set_regdom(rd);
if (r) {
+ if (r == -EALREADY)
+ reg_set_request_processed();
+
kfree(rd);
mutex_unlock(&reg_mutex);
return r;
@@ -2301,8 +2386,22 @@ int reg_device_uevent(struct device *dev, struct kobj_uevent_env *env)
}
#endif /* CONFIG_HOTPLUG */
+void wiphy_regulatory_register(struct wiphy *wiphy)
+{
+ assert_cfg80211_lock();
+
+ mutex_lock(&reg_mutex);
+
+ if (!reg_dev_ignore_cell_hint(wiphy))
+ reg_num_devs_support_basehint++;
+
+ wiphy_update_regulatory(wiphy, NL80211_REGDOM_SET_BY_CORE);
+
+ mutex_unlock(&reg_mutex);
+}
+
/* Caller must hold cfg80211_mutex */
-void reg_device_remove(struct wiphy *wiphy)
+void wiphy_regulatory_deregister(struct wiphy *wiphy)
{
struct wiphy *request_wiphy = NULL;
@@ -2310,6 +2409,9 @@ void reg_device_remove(struct wiphy *wiphy)
mutex_lock(&reg_mutex);
+ if (!reg_dev_ignore_cell_hint(wiphy))
+ reg_num_devs_support_basehint--;
+
kfree(wiphy->regd);
if (last_request)
@@ -2375,7 +2477,8 @@ int __init regulatory_init(void)
* as a user hint.
*/
if (!is_world_regdom(ieee80211_regdom))
- regulatory_hint_user(ieee80211_regdom);
+ regulatory_hint_user(ieee80211_regdom,
+ NL80211_USER_REG_HINT_USER);
return 0;
}
diff --git a/net/wireless/reg.h b/net/wireless/reg.h
index e2aaaf525a22..f023c8a31c60 100644
--- a/net/wireless/reg.h
+++ b/net/wireless/reg.h
@@ -22,17 +22,19 @@ bool is_world_regdom(const char *alpha2);
bool reg_is_valid_request(const char *alpha2);
bool reg_supported_dfs_region(u8 dfs_region);
-int regulatory_hint_user(const char *alpha2);
+int regulatory_hint_user(const char *alpha2,
+ enum nl80211_user_reg_hint_type user_reg_hint_type);
int reg_device_uevent(struct device *dev, struct kobj_uevent_env *env);
-void reg_device_remove(struct wiphy *wiphy);
+void wiphy_regulatory_register(struct wiphy *wiphy);
+void wiphy_regulatory_deregister(struct wiphy *wiphy);
int __init regulatory_init(void);
void regulatory_exit(void);
int set_regdom(const struct ieee80211_regdomain *rd);
-void regulatory_update(struct wiphy *wiphy, enum nl80211_reg_initiator setby);
+bool reg_last_request_cell_base(void);
/**
* regulatory_hint_found_beacon - hints a beacon was found on a channel
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index af2b1caa37fa..848523a2b22f 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -23,7 +23,7 @@
void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, bool leak)
{
struct cfg80211_scan_request *request;
- struct net_device *dev;
+ struct wireless_dev *wdev;
#ifdef CONFIG_CFG80211_WEXT
union iwreq_data wrqu;
#endif
@@ -35,29 +35,31 @@ void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, bool leak)
if (!request)
return;
- dev = request->dev;
+ wdev = request->wdev;
/*
* This must be before sending the other events!
* Otherwise, wpa_supplicant gets completely confused with
* wext events.
*/
- cfg80211_sme_scan_done(dev);
+ if (wdev->netdev)
+ cfg80211_sme_scan_done(wdev->netdev);
if (request->aborted)
- nl80211_send_scan_aborted(rdev, dev);
+ nl80211_send_scan_aborted(rdev, wdev);
else
- nl80211_send_scan_done(rdev, dev);
+ nl80211_send_scan_done(rdev, wdev);
#ifdef CONFIG_CFG80211_WEXT
- if (!request->aborted) {
+ if (wdev->netdev && !request->aborted) {
memset(&wrqu, 0, sizeof(wrqu));
- wireless_send_event(dev, SIOCGIWSCAN, &wrqu, NULL);
+ wireless_send_event(wdev->netdev, SIOCGIWSCAN, &wrqu, NULL);
}
#endif
- dev_put(dev);
+ if (wdev->netdev)
+ dev_put(wdev->netdev);
rdev->scan_req = NULL;
@@ -955,7 +957,7 @@ int cfg80211_wext_siwscan(struct net_device *dev,
}
creq->wiphy = wiphy;
- creq->dev = dev;
+ creq->wdev = dev->ieee80211_ptr;
/* SSIDs come after channels */
creq->ssids = (void *)&creq->channels[n_channels];
creq->n_channels = n_channels;
@@ -1024,12 +1026,12 @@ int cfg80211_wext_siwscan(struct net_device *dev,
creq->rates[i] = (1 << wiphy->bands[i]->n_bitrates) - 1;
rdev->scan_req = creq;
- err = rdev->ops->scan(wiphy, dev, creq);
+ err = rdev->ops->scan(wiphy, creq);
if (err) {
rdev->scan_req = NULL;
/* creq will be freed below */
} else {
- nl80211_send_scan_start(rdev, dev);
+ nl80211_send_scan_start(rdev, dev->ieee80211_ptr);
/* creq now owned by driver */
creq = NULL;
dev_hold(dev);
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index f7e937ff8978..6f39cb808302 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -51,7 +51,7 @@ static bool cfg80211_is_all_idle(void)
*/
list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
cfg80211_lock_rdev(rdev);
- list_for_each_entry(wdev, &rdev->netdev_list, list) {
+ list_for_each_entry(wdev, &rdev->wdev_list, list) {
wdev_lock(wdev);
if (wdev->sme_state != CFG80211_SME_IDLE)
is_all_idle = false;
@@ -136,15 +136,15 @@ static int cfg80211_conn_scan(struct wireless_dev *wdev)
wdev->conn->params.ssid_len);
request->ssids[0].ssid_len = wdev->conn->params.ssid_len;
- request->dev = wdev->netdev;
+ request->wdev = wdev;
request->wiphy = &rdev->wiphy;
rdev->scan_req = request;
- err = rdev->ops->scan(wdev->wiphy, wdev->netdev, request);
+ err = rdev->ops->scan(wdev->wiphy, request);
if (!err) {
wdev->conn->state = CFG80211_CONN_SCANNING;
- nl80211_send_scan_start(rdev, wdev->netdev);
+ nl80211_send_scan_start(rdev, wdev);
dev_hold(wdev->netdev);
} else {
rdev->scan_req = NULL;
@@ -221,7 +221,7 @@ void cfg80211_conn_work(struct work_struct *work)
cfg80211_lock_rdev(rdev);
mutex_lock(&rdev->devlist_mtx);
- list_for_each_entry(wdev, &rdev->netdev_list, list) {
+ list_for_each_entry(wdev, &rdev->wdev_list, list) {
wdev_lock(wdev);
if (!netif_running(wdev->netdev)) {
wdev_unlock(wdev);
diff --git a/net/wireless/util.c b/net/wireless/util.c
index 316cfd00914f..26f8cd30f712 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -35,19 +35,29 @@ int ieee80211_channel_to_frequency(int chan, enum ieee80211_band band)
{
/* see 802.11 17.3.8.3.2 and Annex J
* there are overlapping channel numbers in 5GHz and 2GHz bands */
- if (band == IEEE80211_BAND_5GHZ) {
- if (chan >= 182 && chan <= 196)
- return 4000 + chan * 5;
- else
- return 5000 + chan * 5;
- } else { /* IEEE80211_BAND_2GHZ */
+ if (chan <= 0)
+ return 0; /* not supported */
+ switch (band) {
+ case IEEE80211_BAND_2GHZ:
if (chan == 14)
return 2484;
else if (chan < 14)
return 2407 + chan * 5;
+ break;
+ case IEEE80211_BAND_5GHZ:
+ if (chan >= 182 && chan <= 196)
+ return 4000 + chan * 5;
else
- return 0; /* not supported */
+ return 5000 + chan * 5;
+ break;
+ case IEEE80211_BAND_60GHZ:
+ if (chan < 5)
+ return 56160 + chan * 2160;
+ break;
+ default:
+ ;
}
+ return 0; /* not supported */
}
EXPORT_SYMBOL(ieee80211_channel_to_frequency);
@@ -60,8 +70,12 @@ int ieee80211_frequency_to_channel(int freq)
return (freq - 2407) / 5;
else if (freq >= 4910 && freq <= 4980)
return (freq - 4000) / 5;
- else
+ else if (freq <= 45000) /* DMG band lower limit */
return (freq - 5000) / 5;
+ else if (freq >= 58320 && freq <= 64800)
+ return (freq - 56160) / 2160;
+ else
+ return 0;
}
EXPORT_SYMBOL(ieee80211_frequency_to_channel);
@@ -137,6 +151,11 @@ static void set_mandatory_flags_band(struct ieee80211_supported_band *sband,
}
WARN_ON(want != 0 && want != 3 && want != 6);
break;
+ case IEEE80211_BAND_60GHZ:
+ /* check for mandatory HT MCS 1..4 */
+ WARN_ON(!sband->ht_cap.ht_supported);
+ WARN_ON((sband->ht_cap.mcs.rx_mask[0] & 0x1e) != 0x1e);
+ break;
case IEEE80211_NUM_BANDS:
WARN_ON(1);
break;
@@ -774,7 +793,7 @@ void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev)
mutex_lock(&rdev->devlist_mtx);
- list_for_each_entry(wdev, &rdev->netdev_list, list)
+ list_for_each_entry(wdev, &rdev->wdev_list, list)
cfg80211_process_wdev_events(wdev);
mutex_unlock(&rdev->devlist_mtx);
@@ -805,8 +824,10 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
return -EBUSY;
if (ntype != otype && netif_running(dev)) {
+ mutex_lock(&rdev->devlist_mtx);
err = cfg80211_can_change_interface(rdev, dev->ieee80211_ptr,
ntype);
+ mutex_unlock(&rdev->devlist_mtx);
if (err)
return err;
@@ -814,6 +835,9 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
dev->ieee80211_ptr->mesh_id_up_len = 0;
switch (otype) {
+ case NL80211_IFTYPE_AP:
+ cfg80211_stop_ap(rdev, dev);
+ break;
case NL80211_IFTYPE_ADHOC:
cfg80211_leave_ibss(rdev, dev, false);
break;
@@ -868,15 +892,69 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
}
}
+ if (!err && ntype != otype && netif_running(dev)) {
+ cfg80211_update_iface_num(rdev, ntype, 1);
+ cfg80211_update_iface_num(rdev, otype, -1);
+ }
+
return err;
}
-u16 cfg80211_calculate_bitrate(struct rate_info *rate)
+static u32 cfg80211_calculate_bitrate_60g(struct rate_info *rate)
+{
+ static const u32 __mcs2bitrate[] = {
+ /* control PHY */
+ [0] = 275,
+ /* SC PHY */
+ [1] = 3850,
+ [2] = 7700,
+ [3] = 9625,
+ [4] = 11550,
+ [5] = 12512, /* 1251.25 mbps */
+ [6] = 15400,
+ [7] = 19250,
+ [8] = 23100,
+ [9] = 25025,
+ [10] = 30800,
+ [11] = 38500,
+ [12] = 46200,
+ /* OFDM PHY */
+ [13] = 6930,
+ [14] = 8662, /* 866.25 mbps */
+ [15] = 13860,
+ [16] = 17325,
+ [17] = 20790,
+ [18] = 27720,
+ [19] = 34650,
+ [20] = 41580,
+ [21] = 45045,
+ [22] = 51975,
+ [23] = 62370,
+ [24] = 67568, /* 6756.75 mbps */
+ /* LP-SC PHY */
+ [25] = 6260,
+ [26] = 8340,
+ [27] = 11120,
+ [28] = 12510,
+ [29] = 16680,
+ [30] = 22240,
+ [31] = 25030,
+ };
+
+ if (WARN_ON_ONCE(rate->mcs >= ARRAY_SIZE(__mcs2bitrate)))
+ return 0;
+
+ return __mcs2bitrate[rate->mcs];
+}
+
+u32 cfg80211_calculate_bitrate(struct rate_info *rate)
{
int modulation, streams, bitrate;
if (!(rate->flags & RATE_INFO_FLAGS_MCS))
return rate->legacy;
+ if (rate->flags & RATE_INFO_FLAGS_60G)
+ return cfg80211_calculate_bitrate_60g(rate);
/* the formula below does only work for MCS values smaller than 32 */
if (WARN_ON_ONCE(rate->mcs >= 32))
@@ -916,7 +994,7 @@ int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev,
mutex_lock(&rdev->devlist_mtx);
- list_for_each_entry(wdev, &rdev->netdev_list, list) {
+ list_for_each_entry(wdev, &rdev->wdev_list, list) {
if (!wdev->beacon_interval)
continue;
if (wdev->beacon_interval != beacon_int) {
@@ -930,28 +1008,49 @@ int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev,
return res;
}
-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)
{
struct wireless_dev *wdev_iter;
u32 used_iftypes = BIT(iftype);
int num[NUM_NL80211_IFTYPES];
+ struct ieee80211_channel
+ *used_channels[CFG80211_MAX_NUM_DIFFERENT_CHANNELS];
+ struct ieee80211_channel *ch;
+ enum cfg80211_chan_mode chmode;
+ int num_different_channels = 0;
int total = 1;
int i, j;
ASSERT_RTNL();
+ lockdep_assert_held(&rdev->devlist_mtx);
/* Always allow software iftypes */
if (rdev->wiphy.software_iftypes & BIT(iftype))
return 0;
memset(num, 0, sizeof(num));
+ memset(used_channels, 0, sizeof(used_channels));
num[iftype] = 1;
- mutex_lock(&rdev->devlist_mtx);
- list_for_each_entry(wdev_iter, &rdev->netdev_list, list) {
+ switch (chanmode) {
+ case CHAN_MODE_UNDEFINED:
+ break;
+ case CHAN_MODE_SHARED:
+ WARN_ON(!chan);
+ used_channels[0] = chan;
+ num_different_channels++;
+ break;
+ case CHAN_MODE_EXCLUSIVE:
+ num_different_channels++;
+ break;
+ }
+
+ list_for_each_entry(wdev_iter, &rdev->wdev_list, list) {
if (wdev_iter == wdev)
continue;
if (!netif_running(wdev_iter->netdev))
@@ -960,11 +1059,42 @@ int cfg80211_can_change_interface(struct cfg80211_registered_device *rdev,
if (rdev->wiphy.software_iftypes & BIT(wdev_iter->iftype))
continue;
+ /*
+ * We may be holding the "wdev" mutex, but now need to lock
+ * wdev_iter. This is OK because once we get here wdev_iter
+ * is not wdev (tested above), but we need to use the nested
+ * locking for lockdep.
+ */
+ mutex_lock_nested(&wdev_iter->mtx, 1);
+ __acquire(wdev_iter->mtx);
+ cfg80211_get_chan_state(wdev_iter, &ch, &chmode);
+ wdev_unlock(wdev_iter);
+
+ switch (chmode) {
+ case CHAN_MODE_UNDEFINED:
+ break;
+ case CHAN_MODE_SHARED:
+ for (i = 0; i < CFG80211_MAX_NUM_DIFFERENT_CHANNELS; i++)
+ if (!used_channels[i] || used_channels[i] == ch)
+ break;
+
+ if (i == CFG80211_MAX_NUM_DIFFERENT_CHANNELS)
+ return -EBUSY;
+
+ if (used_channels[i] == NULL) {
+ used_channels[i] = ch;
+ num_different_channels++;
+ }
+ break;
+ case CHAN_MODE_EXCLUSIVE:
+ num_different_channels++;
+ break;
+ }
+
num[wdev_iter->iftype]++;
total++;
used_iftypes |= BIT(wdev_iter->iftype);
}
- mutex_unlock(&rdev->devlist_mtx);
if (total == 1)
return 0;
@@ -976,12 +1106,15 @@ int cfg80211_can_change_interface(struct cfg80211_registered_device *rdev,
c = &rdev->wiphy.iface_combinations[i];
+ if (total > c->max_interfaces)
+ continue;
+ if (num_different_channels > c->num_different_channels)
+ continue;
+
limits = kmemdup(c->limits, sizeof(limits[0]) * c->n_limits,
GFP_KERNEL);
if (!limits)
return -ENOMEM;
- if (total > c->max_interfaces)
- goto cont;
for (iftype = 0; iftype < NUM_NL80211_IFTYPES; iftype++) {
if (rdev->wiphy.software_iftypes & BIT(iftype))
diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c
index 6a6181a673ca..494379eb464f 100644
--- a/net/wireless/wext-compat.c
+++ b/net/wireless/wext-compat.c
@@ -796,7 +796,15 @@ static int cfg80211_wext_siwfreq(struct net_device *dev,
case NL80211_IFTYPE_ADHOC:
return cfg80211_ibss_wext_siwfreq(dev, info, wextfreq, extra);
case NL80211_IFTYPE_MONITOR:
- case NL80211_IFTYPE_WDS:
+ freq = cfg80211_wext_freq(wdev->wiphy, wextfreq);
+ if (freq < 0)
+ return freq;
+ if (freq == 0)
+ return -EINVAL;
+ mutex_lock(&rdev->devlist_mtx);
+ err = cfg80211_set_monitor_channel(rdev, freq, NL80211_CHAN_NO_HT);
+ mutex_unlock(&rdev->devlist_mtx);
+ return err;
case NL80211_IFTYPE_MESH_POINT:
freq = cfg80211_wext_freq(wdev->wiphy, wextfreq);
if (freq < 0)
@@ -804,9 +812,8 @@ static int cfg80211_wext_siwfreq(struct net_device *dev,
if (freq == 0)
return -EINVAL;
mutex_lock(&rdev->devlist_mtx);
- wdev_lock(wdev);
- err = cfg80211_set_freq(rdev, wdev, freq, NL80211_CHAN_NO_HT);
- wdev_unlock(wdev);
+ err = cfg80211_set_mesh_freq(rdev, wdev, freq,
+ NL80211_CHAN_NO_HT);
mutex_unlock(&rdev->devlist_mtx);
return err;
default:
@@ -832,18 +839,14 @@ static int cfg80211_wext_giwfreq(struct net_device *dev,
if (!rdev->ops->get_channel)
return -EINVAL;
- chan = rdev->ops->get_channel(wdev->wiphy, &channel_type);
+ chan = rdev->ops->get_channel(wdev->wiphy, wdev, &channel_type);
if (!chan)
return -EINVAL;
freq->m = chan->center_freq;
freq->e = 6;
return 0;
default:
- if (!wdev->channel)
- return -EINVAL;
- freq->m = wdev->channel->center_freq;
- freq->e = 6;
- return 0;
+ return -EINVAL;
}
}
diff --git a/net/wireless/wext-sme.c b/net/wireless/wext-sme.c
index 7decbd357d51..1f773f668d1a 100644
--- a/net/wireless/wext-sme.c
+++ b/net/wireless/wext-sme.c
@@ -111,9 +111,15 @@ int cfg80211_mgd_wext_siwfreq(struct net_device *dev,
wdev->wext.connect.channel = chan;
- /* SSID is not set, we just want to switch channel */
+ /*
+ * SSID is not set, we just want to switch monitor channel,
+ * this is really just backward compatibility, if the SSID
+ * is set then we use the channel to select the BSS to use
+ * to connect to instead. If we were connected on another
+ * channel we disconnected above and reconnect below.
+ */
if (chan && !wdev->wext.connect.ssid_len) {
- err = cfg80211_set_freq(rdev, wdev, freq, NL80211_CHAN_NO_HT);
+ err = cfg80211_set_monitor_channel(rdev, freq, NL80211_CHAN_NO_HT);
goto out;
}
generated by cgit v1.2.3-70-g09d2 (git 2.47.1) at 2024-12-27 09:27:47 +0000