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-rw-r--r--net/wireless/core.c66
-rw-r--r--net/wireless/core.h34
-rw-r--r--net/wireless/ibss.c21
-rw-r--r--net/wireless/mlme.c225
-rw-r--r--net/wireless/nl80211.c2189
-rw-r--r--net/wireless/nl80211.h14
-rw-r--r--net/wireless/radiotap.c61
-rw-r--r--net/wireless/reg.c22
-rw-r--r--net/wireless/scan.c12
-rw-r--r--net/wireless/sme.c11
-rw-r--r--net/wireless/sysfs.c18
-rw-r--r--net/wireless/util.c40
-rw-r--r--net/wireless/wext-compat.c42
-rw-r--r--net/wireless/wext-core.c2
-rw-r--r--net/wireless/wext-sme.c2
15 files changed, 1196 insertions, 1563 deletions
diff --git a/net/wireless/core.c b/net/wireless/core.c
index d6d046b9f6f2..9c21ebf9780e 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -253,11 +253,16 @@ int cfg80211_switch_netns(struct cfg80211_registered_device *rdev,
WARN_ON(err);
wdev->netdev->features |= NETIF_F_NETNS_LOCAL;
}
+
+ return err;
}
wiphy_net_set(&rdev->wiphy, net);
- return err;
+ err = device_rename(&rdev->wiphy.dev, dev_name(&rdev->wiphy.dev));
+ WARN_ON(err);
+
+ return 0;
}
static void cfg80211_rfkill_poll(struct rfkill *rfkill, void *data)
@@ -428,7 +433,7 @@ int wiphy_register(struct wiphy *wiphy)
/* sanity check ifmodes */
WARN_ON(!ifmodes);
- ifmodes &= ((1 << __NL80211_IFTYPE_AFTER_LAST) - 1) & ~1;
+ ifmodes &= ((1 << NUM_NL80211_IFTYPES) - 1) & ~1;
if (WARN_ON(ifmodes != wiphy->interface_modes))
wiphy->interface_modes = ifmodes;
@@ -683,8 +688,8 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
INIT_WORK(&wdev->cleanup_work, wdev_cleanup_work);
INIT_LIST_HEAD(&wdev->event_list);
spin_lock_init(&wdev->event_lock);
- INIT_LIST_HEAD(&wdev->action_registrations);
- spin_lock_init(&wdev->action_registrations_lock);
+ INIT_LIST_HEAD(&wdev->mgmt_registrations);
+ spin_lock_init(&wdev->mgmt_registrations_lock);
mutex_lock(&rdev->devlist_mtx);
list_add_rcu(&wdev->list, &rdev->netdev_list);
@@ -724,6 +729,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
dev->ethtool_ops = &cfg80211_ethtool_ops;
if ((wdev->iftype == NL80211_IFTYPE_STATION ||
+ wdev->iftype == NL80211_IFTYPE_P2P_CLIENT ||
wdev->iftype == NL80211_IFTYPE_ADHOC) && !wdev->use_4addr)
dev->priv_flags |= IFF_DONT_BRIDGE;
break;
@@ -732,6 +738,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
case NL80211_IFTYPE_ADHOC:
cfg80211_leave_ibss(rdev, dev, true);
break;
+ case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_STATION:
wdev_lock(wdev);
#ifdef CONFIG_CFG80211_WEXT
@@ -804,7 +811,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
sysfs_remove_link(&dev->dev.kobj, "phy80211");
list_del_rcu(&wdev->list);
rdev->devlist_generation++;
- cfg80211_mlme_purge_actions(wdev);
+ cfg80211_mlme_purge_registrations(wdev);
#ifdef CONFIG_CFG80211_WEXT
kfree(wdev->wext.keys);
#endif
@@ -910,52 +917,3 @@ static void __exit cfg80211_exit(void)
destroy_workqueue(cfg80211_wq);
}
module_exit(cfg80211_exit);
-
-static int ___wiphy_printk(const char *level, const struct wiphy *wiphy,
- struct va_format *vaf)
-{
- if (!wiphy)
- return printk("%s(NULL wiphy *): %pV", level, vaf);
-
- return printk("%s%s: %pV", level, wiphy_name(wiphy), vaf);
-}
-
-int __wiphy_printk(const char *level, const struct wiphy *wiphy,
- const char *fmt, ...)
-{
- struct va_format vaf;
- va_list args;
- int r;
-
- va_start(args, fmt);
-
- vaf.fmt = fmt;
- vaf.va = &args;
-
- r = ___wiphy_printk(level, wiphy, &vaf);
- va_end(args);
-
- return r;
-}
-EXPORT_SYMBOL(__wiphy_printk);
-
-#define define_wiphy_printk_level(func, kern_level) \
-int func(const struct wiphy *wiphy, const char *fmt, ...) \
-{ \
- struct va_format vaf; \
- va_list args; \
- int r; \
- \
- va_start(args, fmt); \
- \
- vaf.fmt = fmt; \
- vaf.va = &args; \
- \
- r = ___wiphy_printk(kern_level, wiphy, &vaf); \
- va_end(args); \
- \
- return r; \
-} \
-EXPORT_SYMBOL(func);
-
-define_wiphy_printk_level(wiphy_debug, KERN_DEBUG);
diff --git a/net/wireless/core.h b/net/wireless/core.h
index 63d57ae399c3..6583cca0e2ee 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -86,7 +86,7 @@ struct cfg80211_registered_device *wiphy_to_dev(struct wiphy *wiphy)
static inline
bool wiphy_idx_valid(int wiphy_idx)
{
- return (wiphy_idx >= 0);
+ return wiphy_idx >= 0;
}
@@ -95,7 +95,10 @@ extern struct mutex cfg80211_mutex;
extern struct list_head cfg80211_rdev_list;
extern int cfg80211_rdev_list_generation;
-#define assert_cfg80211_lock() WARN_ON(!mutex_is_locked(&cfg80211_mutex))
+static inline void assert_cfg80211_lock(void)
+{
+ lockdep_assert_held(&cfg80211_mutex);
+}
/*
* You can use this to mark a wiphy_idx as not having an associated wiphy.
@@ -202,8 +205,8 @@ static inline void wdev_unlock(struct wireless_dev *wdev)
mutex_unlock(&wdev->mtx);
}
-#define ASSERT_RDEV_LOCK(rdev) WARN_ON(!mutex_is_locked(&(rdev)->mtx));
-#define ASSERT_WDEV_LOCK(wdev) WARN_ON(!mutex_is_locked(&(wdev)->mtx));
+#define ASSERT_RDEV_LOCK(rdev) lockdep_assert_held(&(rdev)->mtx)
+#define ASSERT_WDEV_LOCK(wdev) lockdep_assert_held(&(wdev)->mtx)
enum cfg80211_event_type {
EVENT_CONNECT_RESULT,
@@ -331,16 +334,17 @@ void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
const u8 *resp_ie, size_t resp_ie_len,
u16 status, bool wextev,
struct cfg80211_bss *bss);
-int cfg80211_mlme_register_action(struct wireless_dev *wdev, u32 snd_pid,
- const u8 *match_data, int match_len);
-void cfg80211_mlme_unregister_actions(struct wireless_dev *wdev, u32 nlpid);
-void cfg80211_mlme_purge_actions(struct wireless_dev *wdev);
-int cfg80211_mlme_action(struct cfg80211_registered_device *rdev,
- struct net_device *dev,
- struct ieee80211_channel *chan,
- enum nl80211_channel_type channel_type,
- bool channel_type_valid,
- const u8 *buf, size_t len, u64 *cookie);
+int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid,
+ u16 frame_type, const u8 *match_data,
+ int match_len);
+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 ieee80211_channel *chan,
+ enum nl80211_channel_type channel_type,
+ bool channel_type_valid,
+ const u8 *buf, size_t len, u64 *cookie);
/* SME */
int __cfg80211_connect(struct cfg80211_registered_device *rdev,
@@ -371,7 +375,7 @@ bool cfg80211_sme_failed_reassoc(struct wireless_dev *wdev);
/* internal helpers */
int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev,
struct key_params *params, int key_idx,
- const u8 *mac_addr);
+ bool pairwise, const u8 *mac_addr);
void __cfg80211_disconnected(struct net_device *dev, const u8 *ie,
size_t ie_len, u16 reason, bool from_ap);
void cfg80211_sme_scan_done(struct net_device *dev);
diff --git a/net/wireless/ibss.c b/net/wireless/ibss.c
index 27a8ce9343c3..f33fbb79437c 100644
--- a/net/wireless/ibss.c
+++ b/net/wireless/ibss.c
@@ -88,6 +88,25 @@ int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
if (wdev->ssid_len)
return -EALREADY;
+ if (!params->basic_rates) {
+ /*
+ * If no rates were explicitly configured,
+ * use the mandatory rate set for 11b or
+ * 11a for maximum compatibility.
+ */
+ struct ieee80211_supported_band *sband =
+ rdev->wiphy.bands[params->channel->band];
+ int j;
+ u32 flag = params->channel->band == IEEE80211_BAND_5GHZ ?
+ IEEE80211_RATE_MANDATORY_A :
+ IEEE80211_RATE_MANDATORY_B;
+
+ for (j = 0; j < sband->n_bitrates; j++) {
+ if (sband->bitrates[j].flags & flag)
+ params->basic_rates |= BIT(j);
+ }
+ }
+
if (WARN_ON(wdev->connect_keys))
kfree(wdev->connect_keys);
wdev->connect_keys = connkeys;
@@ -141,7 +160,7 @@ static void __cfg80211_clear_ibss(struct net_device *dev, bool nowext)
*/
if (rdev->ops->del_key)
for (i = 0; i < 6; i++)
- rdev->ops->del_key(wdev->wiphy, dev, i, NULL);
+ rdev->ops->del_key(wdev->wiphy, dev, i, false, NULL);
if (wdev->current_bss) {
cfg80211_unhold_bss(wdev->current_bss);
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index d1a3fb99fdf2..26838d903b9a 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -149,7 +149,7 @@ void __cfg80211_send_deauth(struct net_device *dev,
struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf;
const u8 *bssid = mgmt->bssid;
int i;
- bool found = false;
+ bool found = false, was_current = false;
ASSERT_WDEV_LOCK(wdev);
@@ -159,6 +159,7 @@ void __cfg80211_send_deauth(struct net_device *dev,
cfg80211_put_bss(&wdev->current_bss->pub);
wdev->current_bss = NULL;
found = true;
+ was_current = true;
} else for (i = 0; i < MAX_AUTH_BSSES; i++) {
if (wdev->auth_bsses[i] &&
memcmp(wdev->auth_bsses[i]->pub.bssid, bssid, ETH_ALEN) == 0) {
@@ -183,7 +184,7 @@ void __cfg80211_send_deauth(struct net_device *dev,
nl80211_send_deauth(rdev, dev, buf, len, GFP_KERNEL);
- if (wdev->sme_state == CFG80211_SME_CONNECTED) {
+ if (wdev->sme_state == CFG80211_SME_CONNECTED && was_current) {
u16 reason_code;
bool from_ap;
@@ -747,31 +748,53 @@ void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
}
EXPORT_SYMBOL(cfg80211_new_sta);
-struct cfg80211_action_registration {
+struct cfg80211_mgmt_registration {
struct list_head list;
u32 nlpid;
int match_len;
+ __le16 frame_type;
+
u8 match[];
};
-int cfg80211_mlme_register_action(struct wireless_dev *wdev, u32 snd_pid,
- const u8 *match_data, int match_len)
+int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid,
+ u16 frame_type, const u8 *match_data,
+ int match_len)
{
- struct cfg80211_action_registration *reg, *nreg;
+ struct wiphy *wiphy = wdev->wiphy;
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+ struct cfg80211_mgmt_registration *reg, *nreg;
int err = 0;
+ u16 mgmt_type;
+
+ if (!wdev->wiphy->mgmt_stypes)
+ return -EOPNOTSUPP;
+
+ if ((frame_type & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_MGMT)
+ return -EINVAL;
+
+ if (frame_type & ~(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE))
+ return -EINVAL;
+
+ mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4;
+ if (!(wdev->wiphy->mgmt_stypes[wdev->iftype].rx & BIT(mgmt_type)))
+ return -EINVAL;
nreg = kzalloc(sizeof(*reg) + match_len, GFP_KERNEL);
if (!nreg)
return -ENOMEM;
- spin_lock_bh(&wdev->action_registrations_lock);
+ spin_lock_bh(&wdev->mgmt_registrations_lock);
- list_for_each_entry(reg, &wdev->action_registrations, list) {
+ list_for_each_entry(reg, &wdev->mgmt_registrations, list) {
int mlen = min(match_len, reg->match_len);
+ if (frame_type != le16_to_cpu(reg->frame_type))
+ continue;
+
if (memcmp(reg->match, match_data, mlen) == 0) {
err = -EALREADY;
break;
@@ -786,140 +809,212 @@ int cfg80211_mlme_register_action(struct wireless_dev *wdev, u32 snd_pid,
memcpy(nreg->match, match_data, match_len);
nreg->match_len = match_len;
nreg->nlpid = snd_pid;
- list_add(&nreg->list, &wdev->action_registrations);
+ nreg->frame_type = cpu_to_le16(frame_type);
+ list_add(&nreg->list, &wdev->mgmt_registrations);
+
+ if (rdev->ops->mgmt_frame_register)
+ rdev->ops->mgmt_frame_register(wiphy, wdev->netdev,
+ frame_type, true);
out:
- spin_unlock_bh(&wdev->action_registrations_lock);
+ spin_unlock_bh(&wdev->mgmt_registrations_lock);
+
return err;
}
-void cfg80211_mlme_unregister_actions(struct wireless_dev *wdev, u32 nlpid)
+void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid)
{
- struct cfg80211_action_registration *reg, *tmp;
+ struct wiphy *wiphy = wdev->wiphy;
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+ struct cfg80211_mgmt_registration *reg, *tmp;
- spin_lock_bh(&wdev->action_registrations_lock);
+ spin_lock_bh(&wdev->mgmt_registrations_lock);
- list_for_each_entry_safe(reg, tmp, &wdev->action_registrations, list) {
- if (reg->nlpid == nlpid) {
- list_del(&reg->list);
- kfree(reg);
+ list_for_each_entry_safe(reg, tmp, &wdev->mgmt_registrations, list) {
+ if (reg->nlpid != nlpid)
+ continue;
+
+ if (rdev->ops->mgmt_frame_register) {
+ u16 frame_type = le16_to_cpu(reg->frame_type);
+
+ rdev->ops->mgmt_frame_register(wiphy, wdev->netdev,
+ frame_type, false);
}
+
+ list_del(&reg->list);
+ kfree(reg);
}
- spin_unlock_bh(&wdev->action_registrations_lock);
+ spin_unlock_bh(&wdev->mgmt_registrations_lock);
}
-void cfg80211_mlme_purge_actions(struct wireless_dev *wdev)
+void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev)
{
- struct cfg80211_action_registration *reg, *tmp;
+ struct cfg80211_mgmt_registration *reg, *tmp;
- spin_lock_bh(&wdev->action_registrations_lock);
+ spin_lock_bh(&wdev->mgmt_registrations_lock);
- list_for_each_entry_safe(reg, tmp, &wdev->action_registrations, list) {
+ list_for_each_entry_safe(reg, tmp, &wdev->mgmt_registrations, list) {
list_del(&reg->list);
kfree(reg);
}
- spin_unlock_bh(&wdev->action_registrations_lock);
+ spin_unlock_bh(&wdev->mgmt_registrations_lock);
}
-int cfg80211_mlme_action(struct cfg80211_registered_device *rdev,
- struct net_device *dev,
- struct ieee80211_channel *chan,
- enum nl80211_channel_type channel_type,
- bool channel_type_valid,
- const u8 *buf, size_t len, u64 *cookie)
+int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
+ struct net_device *dev,
+ struct ieee80211_channel *chan,
+ enum nl80211_channel_type channel_type,
+ bool channel_type_valid,
+ const u8 *buf, size_t len, u64 *cookie)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
const struct ieee80211_mgmt *mgmt;
+ u16 stype;
- if (rdev->ops->action == NULL)
+ if (!wdev->wiphy->mgmt_stypes)
return -EOPNOTSUPP;
+
+ if (!rdev->ops->mgmt_tx)
+ return -EOPNOTSUPP;
+
if (len < 24 + 1)
return -EINVAL;
mgmt = (const struct ieee80211_mgmt *) buf;
- if (!ieee80211_is_action(mgmt->frame_control))
+
+ if (!ieee80211_is_mgmt(mgmt->frame_control))
return -EINVAL;
- if (mgmt->u.action.category != WLAN_CATEGORY_PUBLIC) {
- /* Verify that we are associated with the destination AP */
+
+ stype = le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE;
+ if (!(wdev->wiphy->mgmt_stypes[wdev->iftype].tx & BIT(stype >> 4)))
+ return -EINVAL;
+
+ if (ieee80211_is_action(mgmt->frame_control) &&
+ mgmt->u.action.category != WLAN_CATEGORY_PUBLIC) {
+ int err = 0;
+
wdev_lock(wdev);
- if (!wdev->current_bss ||
- memcmp(wdev->current_bss->pub.bssid, mgmt->bssid,
- ETH_ALEN) != 0 ||
- (wdev->iftype == NL80211_IFTYPE_STATION &&
- memcmp(wdev->current_bss->pub.bssid, mgmt->da,
- ETH_ALEN) != 0)) {
- wdev_unlock(wdev);
- return -ENOTCONN;
- }
+ switch (wdev->iftype) {
+ case NL80211_IFTYPE_ADHOC:
+ case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_P2P_CLIENT:
+ if (!wdev->current_bss) {
+ err = -ENOTCONN;
+ break;
+ }
+
+ if (memcmp(wdev->current_bss->pub.bssid,
+ mgmt->bssid, ETH_ALEN)) {
+ err = -ENOTCONN;
+ break;
+ }
+
+ /*
+ * check for IBSS DA must be done by driver as
+ * cfg80211 doesn't track the stations
+ */
+ if (wdev->iftype == NL80211_IFTYPE_ADHOC)
+ break;
+ /* for station, check that DA is the AP */
+ if (memcmp(wdev->current_bss->pub.bssid,
+ mgmt->da, ETH_ALEN)) {
+ err = -ENOTCONN;
+ break;
+ }
+ break;
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_P2P_GO:
+ case NL80211_IFTYPE_AP_VLAN:
+ if (memcmp(mgmt->bssid, dev->dev_addr, ETH_ALEN))
+ err = -EINVAL;
+ break;
+ default:
+ err = -EOPNOTSUPP;
+ break;
+ }
wdev_unlock(wdev);
+
+ if (err)
+ return err;
}
if (memcmp(mgmt->sa, dev->dev_addr, ETH_ALEN) != 0)
return -EINVAL;
/* Transmit the Action frame as requested by user space */
- return rdev->ops->action(&rdev->wiphy, dev, chan, channel_type,
- channel_type_valid, buf, len, cookie);
+ return rdev->ops->mgmt_tx(&rdev->wiphy, dev, chan, channel_type,
+ channel_type_valid, buf, len, cookie);
}
-bool cfg80211_rx_action(struct net_device *dev, int freq, const u8 *buf,
- size_t len, gfp_t gfp)
+bool cfg80211_rx_mgmt(struct net_device *dev, int freq, 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_action_registration *reg;
- const u8 *action_data;
- int action_data_len;
+ struct cfg80211_mgmt_registration *reg;
+ const struct ieee80211_txrx_stypes *stypes =
+ &wiphy->mgmt_stypes[wdev->iftype];
+ struct ieee80211_mgmt *mgmt = (void *)buf;
+ const u8 *data;
+ int data_len;
bool result = false;
+ __le16 ftype = mgmt->frame_control &
+ cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE);
+ u16 stype;
- /* frame length - min size excluding category */
- action_data_len = len - (IEEE80211_MIN_ACTION_SIZE - 1);
+ stype = (le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE) >> 4;
- /* action data starts with category */
- action_data = buf + IEEE80211_MIN_ACTION_SIZE - 1;
+ if (!(stypes->rx & BIT(stype)))
+ return false;
- spin_lock_bh(&wdev->action_registrations_lock);
+ data = buf + ieee80211_hdrlen(mgmt->frame_control);
+ data_len = len - ieee80211_hdrlen(mgmt->frame_control);
+
+ spin_lock_bh(&wdev->mgmt_registrations_lock);
+
+ list_for_each_entry(reg, &wdev->mgmt_registrations, list) {
+ if (reg->frame_type != ftype)
+ continue;
- list_for_each_entry(reg, &wdev->action_registrations, list) {
- if (reg->match_len > action_data_len)
+ if (reg->match_len > data_len)
continue;
- if (memcmp(reg->match, action_data, reg->match_len))
+ if (memcmp(reg->match, data, reg->match_len))
continue;
/* found match! */
/* Indicate the received Action frame to user space */
- if (nl80211_send_action(rdev, dev, reg->nlpid, freq,
- buf, len, gfp))
+ if (nl80211_send_mgmt(rdev, dev, reg->nlpid, freq,
+ buf, len, gfp))
continue;
result = true;
break;
}
- spin_unlock_bh(&wdev->action_registrations_lock);
+ spin_unlock_bh(&wdev->mgmt_registrations_lock);
return result;
}
-EXPORT_SYMBOL(cfg80211_rx_action);
+EXPORT_SYMBOL(cfg80211_rx_mgmt);
-void cfg80211_action_tx_status(struct net_device *dev, u64 cookie,
- const u8 *buf, size_t len, bool ack, gfp_t gfp)
+void cfg80211_mgmt_tx_status(struct net_device *dev, 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_action_tx_status(rdev, dev, cookie, buf, len, ack, gfp);
+ nl80211_send_mgmt_tx_status(rdev, dev, cookie, buf, len, ack, gfp);
}
-EXPORT_SYMBOL(cfg80211_action_tx_status);
+EXPORT_SYMBOL(cfg80211_mgmt_tx_status);
void cfg80211_cqm_rssi_notify(struct net_device *dev,
enum nl80211_cqm_rssi_threshold_event rssi_event,
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 37902a54e9c1..c506241f8637 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -23,6 +23,11 @@
#include "nl80211.h"
#include "reg.h"
+static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb,
+ struct genl_info *info);
+static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb,
+ struct genl_info *info);
+
/* the netlink family */
static struct genl_family nl80211_fam = {
.id = GENL_ID_GENERATE, /* don't bother with a hardcoded ID */
@@ -31,6 +36,8 @@ static struct genl_family nl80211_fam = {
.version = 1, /* no particular meaning now */
.maxattr = NL80211_ATTR_MAX,
.netnsok = true,
+ .pre_doit = nl80211_pre_doit,
+ .post_doit = nl80211_post_doit,
};
/* internal helper: get rdev and dev */
@@ -86,6 +93,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
[NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 },
[NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG },
[NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 8 },
+ [NL80211_ATTR_KEY_TYPE] = { .type = NLA_U32 },
[NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 },
[NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 },
@@ -136,6 +144,8 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
.len = sizeof(struct nl80211_sta_flag_update),
},
[NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG },
+ [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 },
+ [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG },
[NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
[NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
[NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
@@ -156,9 +166,10 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
[NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 },
[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 },
+ [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 },
};
-/* policy for the attributes */
+/* policy for the key attributes */
static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = {
[NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN },
[NL80211_KEY_IDX] = { .type = NLA_U8 },
@@ -166,6 +177,7 @@ static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = {
[NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 8 },
[NL80211_KEY_DEFAULT] = { .type = NLA_FLAG },
[NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG },
+ [NL80211_KEY_TYPE] = { .type = NLA_U32 },
};
/* ifidx get helper */
@@ -188,6 +200,47 @@ static int nl80211_get_ifidx(struct netlink_callback *cb)
return res;
}
+static int nl80211_prepare_netdev_dump(struct sk_buff *skb,
+ struct netlink_callback *cb,
+ struct cfg80211_registered_device **rdev,
+ struct net_device **dev)
+{
+ int ifidx = cb->args[0];
+ int err;
+
+ if (!ifidx)
+ ifidx = nl80211_get_ifidx(cb);
+ if (ifidx < 0)
+ return ifidx;
+
+ cb->args[0] = ifidx;
+
+ rtnl_lock();
+
+ *dev = __dev_get_by_index(sock_net(skb->sk), ifidx);
+ if (!*dev) {
+ err = -ENODEV;
+ goto out_rtnl;
+ }
+
+ *rdev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx);
+ if (IS_ERR(dev)) {
+ err = PTR_ERR(dev);
+ goto out_rtnl;
+ }
+
+ return 0;
+ out_rtnl:
+ rtnl_unlock();
+ return err;
+}
+
+static void nl80211_finish_netdev_dump(struct cfg80211_registered_device *rdev)
+{
+ cfg80211_unlock_rdev(rdev);
+ rtnl_unlock();
+}
+
/* IE validation */
static bool is_valid_ie_attr(const struct nlattr *attr)
{
@@ -255,6 +308,7 @@ static int nl80211_msg_put_channel(struct sk_buff *msg,
struct key_parse {
struct key_params p;
int idx;
+ int type;
bool def, defmgmt;
};
@@ -285,6 +339,12 @@ static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k)
if (tb[NL80211_KEY_CIPHER])
k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]);
+ if (tb[NL80211_KEY_TYPE]) {
+ k->type = nla_get_u32(tb[NL80211_KEY_TYPE]);
+ if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES)
+ return -EINVAL;
+ }
+
return 0;
}
@@ -309,6 +369,12 @@ static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k)
k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT];
k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT];
+ if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
+ k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
+ if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES)
+ return -EINVAL;
+ }
+
return 0;
}
@@ -318,6 +384,7 @@ static int nl80211_parse_key(struct genl_info *info, struct key_parse *k)
memset(k, 0, sizeof(*k));
k->idx = -1;
+ k->type = -1;
if (info->attrs[NL80211_ATTR_KEY])
err = nl80211_parse_key_new(info->attrs[NL80211_ATTR_KEY], k);
@@ -382,7 +449,7 @@ nl80211_parse_connkeys(struct cfg80211_registered_device *rdev,
} else if (parse.defmgmt)
goto error;
err = cfg80211_validate_key_settings(rdev, &parse.p,
- parse.idx, NULL);
+ parse.idx, false, NULL);
if (err)
goto error;
result->params[parse.idx].cipher = parse.p.cipher;
@@ -401,18 +468,17 @@ static int nl80211_key_allowed(struct wireless_dev *wdev)
{
ASSERT_WDEV_LOCK(wdev);
- if (!netif_running(wdev->netdev))
- return -ENETDOWN;
-
switch (wdev->iftype) {
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_AP_VLAN:
+ case NL80211_IFTYPE_P2P_GO:
break;
case NL80211_IFTYPE_ADHOC:
if (!wdev->current_bss)
return -ENOLINK;
break;
case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_P2P_CLIENT:
if (wdev->sme_state != CFG80211_SME_CONNECTED)
return -ENOLINK;
break;
@@ -437,6 +503,8 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
struct ieee80211_rate *rate;
int i;
u16 ifmodes = dev->wiphy.interface_modes;
+ const struct ieee80211_txrx_stypes *mgmt_stypes =
+ dev->wiphy.mgmt_stypes;
hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_WIPHY);
if (!hdr)
@@ -464,6 +532,9 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
NLA_PUT_U16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN,
dev->wiphy.max_scan_ie_len);
+ if (dev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)
+ NLA_PUT_FLAG(msg, NL80211_ATTR_SUPPORT_IBSS_RSN);
+
NLA_PUT(msg, NL80211_ATTR_CIPHER_SUITES,
sizeof(u32) * dev->wiphy.n_cipher_suites,
dev->wiphy.cipher_suites);
@@ -471,6 +542,9 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
dev->wiphy.max_num_pmkids);
+ if (dev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL)
+ NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE);
+
nl_modes = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_IFTYPES);
if (!nl_modes)
goto nla_put_failure;
@@ -587,12 +661,13 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
CMD(flush_pmksa, FLUSH_PMKSA);
CMD(remain_on_channel, REMAIN_ON_CHANNEL);
CMD(set_bitrate_mask, SET_TX_BITRATE_MASK);
- CMD(action, ACTION);
+ CMD(mgmt_tx, FRAME);
if (dev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
i++;
NLA_PUT_U32(msg, i, NL80211_CMD_SET_WIPHY_NETNS);
}
CMD(set_channel, SET_CHANNEL);
+ CMD(set_wds_peer, SET_WDS_PEER);
#undef CMD
@@ -608,6 +683,55 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
nla_nest_end(msg, nl_cmds);
+ if (mgmt_stypes) {
+ u16 stypes;
+ struct nlattr *nl_ftypes, *nl_ifs;
+ enum nl80211_iftype ift;
+
+ nl_ifs = nla_nest_start(msg, NL80211_ATTR_TX_FRAME_TYPES);
+ if (!nl_ifs)
+ goto nla_put_failure;
+
+ for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
+ nl_ftypes = nla_nest_start(msg, ift);
+ if (!nl_ftypes)
+ goto nla_put_failure;
+ i = 0;
+ stypes = mgmt_stypes[ift].tx;
+ while (stypes) {
+ if (stypes & 1)
+ NLA_PUT_U16(msg, NL80211_ATTR_FRAME_TYPE,
+ (i << 4) | IEEE80211_FTYPE_MGMT);
+ stypes >>= 1;
+ i++;
+ }
+ nla_nest_end(msg, nl_ftypes);
+ }
+
+ nla_nest_end(msg, nl_ifs);
+
+ nl_ifs = nla_nest_start(msg, NL80211_ATTR_RX_FRAME_TYPES);
+ if (!nl_ifs)
+ goto nla_put_failure;
+
+ for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
+ nl_ftypes = nla_nest_start(msg, ift);
+ if (!nl_ftypes)
+ goto nla_put_failure;
+ i = 0;
+ stypes = mgmt_stypes[ift].rx;
+ while (stypes) {
+ if (stypes & 1)
+ NLA_PUT_U16(msg, NL80211_ATTR_FRAME_TYPE,
+ (i << 4) | IEEE80211_FTYPE_MGMT);
+ stypes >>= 1;
+ i++;
+ }
+ nla_nest_end(msg, nl_ftypes);
+ }
+ nla_nest_end(msg, nl_ifs);
+ }
+
return genlmsg_end(msg, hdr);
nla_put_failure:
@@ -644,28 +768,18 @@ static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
{
struct sk_buff *msg;
- struct cfg80211_registered_device *dev;
-
- dev = cfg80211_get_dev_from_info(info);
- if (IS_ERR(dev))
- return PTR_ERR(dev);
+ struct cfg80211_registered_device *dev = info->user_ptr[0];
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
if (!msg)
- goto out_err;
-
- if (nl80211_send_wiphy(msg, info->snd_pid, info->snd_seq, 0, dev) < 0)
- goto out_free;
+ return -ENOMEM;
- cfg80211_unlock_rdev(dev);
+ if (nl80211_send_wiphy(msg, info->snd_pid, info->snd_seq, 0, dev) < 0) {
+ nlmsg_free(msg);
+ return -ENOBUFS;
+ }
return genlmsg_reply(msg, info);
-
- out_free:
- nlmsg_free(msg);
- out_err:
- cfg80211_unlock_rdev(dev);
- return -ENOBUFS;
}
static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = {
@@ -709,7 +823,8 @@ static bool nl80211_can_set_dev_channel(struct wireless_dev *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_MONITOR ||
+ wdev->iftype == NL80211_IFTYPE_P2P_GO;
}
static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
@@ -753,38 +868,48 @@ static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *rdev;
- struct net_device *netdev;
- int result;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *netdev = info->user_ptr[1];
- rtnl_lock();
+ return __nl80211_set_channel(rdev, netdev->ieee80211_ptr, info);
+}
- result = get_rdev_dev_by_info_ifindex(info, &rdev, &netdev);
- if (result)
- goto unlock;
+static int nl80211_set_wds_peer(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;
+ const u8 *bssid;
- result = __nl80211_set_channel(rdev, netdev->ieee80211_ptr, info);
+ if (!info->attrs[NL80211_ATTR_MAC])
+ return -EINVAL;
- unlock:
- rtnl_unlock();
+ if (netif_running(dev))
+ return -EBUSY;
- return result;
+ if (!rdev->ops->set_wds_peer)
+ return -EOPNOTSUPP;
+
+ if (wdev->iftype != NL80211_IFTYPE_WDS)
+ return -EOPNOTSUPP;
+
+ bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
+ return rdev->ops->set_wds_peer(wdev->wiphy, dev, bssid);
}
+
static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev;
struct net_device *netdev = NULL;
struct wireless_dev *wdev;
- int result, rem_txq_params = 0;
+ int result = 0, rem_txq_params = 0;
struct nlattr *nl_txq_params;
u32 changed;
u8 retry_short = 0, retry_long = 0;
u32 frag_threshold = 0, rts_threshold = 0;
u8 coverage_class = 0;
- rtnl_lock();
-
/*
* Try to find the wiphy and netdev. Normally this
* function shouldn't need the netdev, but this is
@@ -811,8 +936,7 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
rdev = __cfg80211_rdev_from_info(info);
if (IS_ERR(rdev)) {
mutex_unlock(&cfg80211_mutex);
- result = PTR_ERR(rdev);
- goto unlock;
+ return PTR_ERR(rdev);
}
wdev = NULL;
netdev = NULL;
@@ -994,8 +1118,6 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
mutex_unlock(&rdev->mtx);
if (netdev)
dev_put(netdev);
- unlock:
- rtnl_unlock();
return result;
}
@@ -1075,33 +1197,20 @@ static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *
static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
{
struct sk_buff *msg;
- struct cfg80211_registered_device *dev;
- struct net_device *netdev;
- int err;
-
- err = get_rdev_dev_by_info_ifindex(info, &dev, &netdev);
- if (err)
- return err;
+ struct cfg80211_registered_device *dev = info->user_ptr[0];
+ struct net_device *netdev = info->user_ptr[1];
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
if (!msg)
- goto out_err;
+ return -ENOMEM;
if (nl80211_send_iface(msg, info->snd_pid, info->snd_seq, 0,
- dev, netdev) < 0)
- goto out_free;
-
- dev_put(netdev);
- cfg80211_unlock_rdev(dev);
+ dev, netdev) < 0) {
+ nlmsg_free(msg);
+ return -ENOBUFS;
+ }
return genlmsg_reply(msg, info);
-
- out_free:
- nlmsg_free(msg);
- out_err:
- dev_put(netdev);
- cfg80211_unlock_rdev(dev);
- return -ENOBUFS;
}
static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
@@ -1161,39 +1270,29 @@ static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *rdev;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct vif_params params;
int err;
enum nl80211_iftype otype, ntype;
- struct net_device *dev;
+ struct net_device *dev = info->user_ptr[1];
u32 _flags, *flags = NULL;
bool change = false;
memset(&params, 0, sizeof(params));
- rtnl_lock();
-
- err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
- if (err)
- goto unlock_rtnl;
-
otype = ntype = dev->ieee80211_ptr->iftype;
if (info->attrs[NL80211_ATTR_IFTYPE]) {
ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
if (otype != ntype)
change = true;
- if (ntype > NL80211_IFTYPE_MAX) {
- err = -EINVAL;
- goto unlock;
- }
+ if (ntype > NL80211_IFTYPE_MAX)
+ return -EINVAL;
}
if (info->attrs[NL80211_ATTR_MESH_ID]) {
- if (ntype != NL80211_IFTYPE_MESH_POINT) {
- err = -EINVAL;
- goto unlock;
- }
+ if (ntype != NL80211_IFTYPE_MESH_POINT)
+ return -EINVAL;
params.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
params.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
change = true;
@@ -1204,20 +1303,18 @@ static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
change = true;
err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype);
if (err)
- goto unlock;
+ return err;
} else {
params.use_4addr = -1;
}
if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
- if (ntype != NL80211_IFTYPE_MONITOR) {
- err = -EINVAL;
- goto unlock;
- }
+ if (ntype != NL80211_IFTYPE_MONITOR)
+ return -EINVAL;
err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS],
&_flags);
if (err)
- goto unlock;
+ return err;
flags = &_flags;
change = true;
@@ -1231,17 +1328,12 @@ static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
if (!err && params.use_4addr != -1)
dev->ieee80211_ptr->use_4addr = params.use_4addr;
- unlock:
- dev_put(dev);
- cfg80211_unlock_rdev(rdev);
- unlock_rtnl:
- rtnl_unlock();
return err;
}
static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *rdev;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct vif_params params;
int err;
enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
@@ -1258,19 +1350,9 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
return -EINVAL;
}
- rtnl_lock();
-
- rdev = cfg80211_get_dev_from_info(info);
- if (IS_ERR(rdev)) {
- err = PTR_ERR(rdev);
- goto unlock_rtnl;
- }
-
if (!rdev->ops->add_virtual_intf ||
- !(rdev->wiphy.interface_modes & (1 << type))) {
- err = -EOPNOTSUPP;
- goto unlock;
- }
+ !(rdev->wiphy.interface_modes & (1 << type)))
+ return -EOPNOTSUPP;
if (type == NL80211_IFTYPE_MESH_POINT &&
info->attrs[NL80211_ATTR_MESH_ID]) {
@@ -1282,7 +1364,7 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
if (err)
- goto unlock;
+ return err;
}
err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ?
@@ -1292,38 +1374,18 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
nla_data(info->attrs[NL80211_ATTR_IFNAME]),
type, err ? NULL : &flags, &params);
- unlock:
- cfg80211_unlock_rdev(rdev);
- unlock_rtnl:
- rtnl_unlock();
return err;
}
static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *rdev;
- int err;
- struct net_device *dev;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
- rtnl_lock();
-
- err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
- if (err)
- goto unlock_rtnl;
-
- if (!rdev->ops->del_virtual_intf) {
- err = -EOPNOTSUPP;
- goto out;
- }
-
- err = rdev->ops->del_virtual_intf(&rdev->wiphy, dev);
+ if (!rdev->ops->del_virtual_intf)
+ return -EOPNOTSUPP;
- out:
- cfg80211_unlock_rdev(rdev);
- dev_put(dev);
- unlock_rtnl:
- rtnl_unlock();
- return err;
+ return rdev->ops->del_virtual_intf(&rdev->wiphy, dev);
}
struct get_key_cookie {
@@ -1376,11 +1438,12 @@ static void get_key_callback(void *c, struct key_params *params)
static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *rdev;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
int err;
- struct net_device *dev;
+ struct net_device *dev = info->user_ptr[1];
u8 key_idx = 0;
- u8 *mac_addr = NULL;
+ const u8 *mac_addr = NULL;
+ bool pairwise;
struct get_key_cookie cookie = {
.error = 0,
};
@@ -1396,30 +1459,28 @@ static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
if (info->attrs[NL80211_ATTR_MAC])
mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
- rtnl_lock();
-
- err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
- if (err)
- goto unlock_rtnl;
-
- if (!rdev->ops->get_key) {
- err = -EOPNOTSUPP;
- goto out;
+ pairwise = !!mac_addr;
+ if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
+ u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
+ if (kt >= NUM_NL80211_KEYTYPES)
+ return -EINVAL;
+ if (kt != NL80211_KEYTYPE_GROUP &&
+ kt != NL80211_KEYTYPE_PAIRWISE)
+ return -EINVAL;
+ pairwise = kt == NL80211_KEYTYPE_PAIRWISE;
}
+ if (!rdev->ops->get_key)
+ return -EOPNOTSUPP;
+
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
- if (!msg) {
- err = -ENOMEM;
- goto out;
- }
+ if (!msg)
+ return -ENOMEM;
hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
NL80211_CMD_NEW_KEY);
-
- if (IS_ERR(hdr)) {
- err = PTR_ERR(hdr);
- goto free_msg;
- }
+ if (IS_ERR(hdr))
+ return PTR_ERR(hdr);
cookie.msg = msg;
cookie.idx = key_idx;
@@ -1429,8 +1490,12 @@ static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
if (mac_addr)
NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr);
- err = rdev->ops->get_key(&rdev->wiphy, dev, key_idx, mac_addr,
- &cookie, get_key_callback);
+ if (pairwise && mac_addr &&
+ !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
+ return -ENOENT;
+
+ err = rdev->ops->get_key(&rdev->wiphy, dev, key_idx, pairwise,
+ mac_addr, &cookie, get_key_callback);
if (err)
goto free_msg;
@@ -1439,28 +1504,21 @@ static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
goto nla_put_failure;
genlmsg_end(msg, hdr);
- err = genlmsg_reply(msg, info);
- goto out;
+ return genlmsg_reply(msg, info);
nla_put_failure:
err = -ENOBUFS;
free_msg:
nlmsg_free(msg);
- out:
- cfg80211_unlock_rdev(rdev);
- dev_put(dev);
- unlock_rtnl:
- rtnl_unlock();
-
return err;
}
static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *rdev;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct key_parse key;
int err;
- struct net_device *dev;
+ struct net_device *dev = info->user_ptr[1];
int (*func)(struct wiphy *wiphy, struct net_device *netdev,
u8 key_index);
@@ -1475,21 +1533,13 @@ static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
if (!key.def && !key.defmgmt)
return -EINVAL;
- rtnl_lock();
-
- err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
- if (err)
- goto unlock_rtnl;
-
if (key.def)
func = rdev->ops->set_default_key;
else
func = rdev->ops->set_default_mgmt_key;
- if (!func) {
- err = -EOPNOTSUPP;
- goto out;
- }
+ if (!func)
+ return -EOPNOTSUPP;
wdev_lock(dev->ieee80211_ptr);
err = nl80211_key_allowed(dev->ieee80211_ptr);
@@ -1506,23 +1556,16 @@ static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
#endif
wdev_unlock(dev->ieee80211_ptr);
- out:
- cfg80211_unlock_rdev(rdev);
- dev_put(dev);
-
- unlock_rtnl:
- rtnl_unlock();
-
return err;
}
static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *rdev;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
int err;
- struct net_device *dev;
+ struct net_device *dev = info->user_ptr[1];
struct key_parse key;
- u8 *mac_addr = NULL;
+ const u8 *mac_addr = NULL;
err = nl80211_parse_key(info, &key);
if (err)
@@ -1534,43 +1577,42 @@ static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
if (info->attrs[NL80211_ATTR_MAC])
mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
- rtnl_lock();
+ if (key.type == -1) {
+ if (mac_addr)
+ key.type = NL80211_KEYTYPE_PAIRWISE;
+ else
+ key.type = NL80211_KEYTYPE_GROUP;
+ }
- err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
- if (err)
- goto unlock_rtnl;
+ /* for now */
+ if (key.type != NL80211_KEYTYPE_PAIRWISE &&
+ key.type != NL80211_KEYTYPE_GROUP)
+ return -EINVAL;
- if (!rdev->ops->add_key) {
- err = -EOPNOTSUPP;
- goto out;
- }
+ if (!rdev->ops->add_key)
+ return -EOPNOTSUPP;
- if (cfg80211_validate_key_settings(rdev, &key.p, key.idx, mac_addr)) {
- err = -EINVAL;
- goto out;
- }
+ if (cfg80211_validate_key_settings(rdev, &key.p, key.idx,
+ key.type == NL80211_KEYTYPE_PAIRWISE,
+ mac_addr))
+ return -EINVAL;
wdev_lock(dev->ieee80211_ptr);
err = nl80211_key_allowed(dev->ieee80211_ptr);
if (!err)
err = rdev->ops->add_key(&rdev->wiphy, dev, key.idx,
+ key.type == NL80211_KEYTYPE_PAIRWISE,
mac_addr, &key.p);
wdev_unlock(dev->ieee80211_ptr);
- out:
- cfg80211_unlock_rdev(rdev);
- dev_put(dev);
- unlock_rtnl:
- rtnl_unlock();
-
return err;
}
static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *rdev;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
int err;
- struct net_device *dev;
+ struct net_device *dev = info->user_ptr[1];
u8 *mac_addr = NULL;
struct key_parse key;
@@ -1581,21 +1623,32 @@ static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
if (info->attrs[NL80211_ATTR_MAC])
mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
- rtnl_lock();
+ if (key.type == -1) {
+ if (mac_addr)
+ key.type = NL80211_KEYTYPE_PAIRWISE;
+ else
+ key.type = NL80211_KEYTYPE_GROUP;
+ }
- err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
- if (err)
- goto unlock_rtnl;
+ /* for now */
+ if (key.type != NL80211_KEYTYPE_PAIRWISE &&
+ key.type != NL80211_KEYTYPE_GROUP)
+ return -EINVAL;
- if (!rdev->ops->del_key) {
- err = -EOPNOTSUPP;
- goto out;
- }
+ if (!rdev->ops->del_key)
+ return -EOPNOTSUPP;
wdev_lock(dev->ieee80211_ptr);
err = nl80211_key_allowed(dev->ieee80211_ptr);
+
+ if (key.type == NL80211_KEYTYPE_PAIRWISE && mac_addr &&
+ !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
+ err = -ENOENT;
+
if (!err)
- err = rdev->ops->del_key(&rdev->wiphy, dev, key.idx, mac_addr);
+ err = rdev->ops->del_key(&rdev->wiphy, dev, key.idx,
+ key.type == NL80211_KEYTYPE_PAIRWISE,
+ mac_addr);
#ifdef CONFIG_CFG80211_WEXT
if (!err) {
@@ -1607,13 +1660,6 @@ static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
#endif
wdev_unlock(dev->ieee80211_ptr);
- out:
- cfg80211_unlock_rdev(rdev);
- dev_put(dev);
-
- unlock_rtnl:
- rtnl_unlock();
-
return err;
}
@@ -1621,35 +1667,25 @@ static int nl80211_addset_beacon(struct sk_buff *skb, struct genl_info *info)
{
int (*call)(struct wiphy *wiphy, struct net_device *dev,
struct beacon_parameters *info);
- struct cfg80211_registered_device *rdev;
- int err;
- struct net_device *dev;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
struct beacon_parameters params;
int haveinfo = 0;
if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_BEACON_TAIL]))
return -EINVAL;
- rtnl_lock();
-
- err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
- if (err)
- goto unlock_rtnl;
-
- if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP) {
- err = -EOPNOTSUPP;
- goto out;
- }
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
+ return -EOPNOTSUPP;
switch (info->genlhdr->cmd) {
case NL80211_CMD_NEW_BEACON:
/* these are required for NEW_BEACON */
if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
!info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
- !info->attrs[NL80211_ATTR_BEACON_HEAD]) {
- err = -EINVAL;
- goto out;
- }
+ !info->attrs[NL80211_ATTR_BEACON_HEAD])
+ return -EINVAL;
call = rdev->ops->add_beacon;
break;
@@ -1658,14 +1694,11 @@ static int nl80211_addset_beacon(struct sk_buff *skb, struct genl_info *info)
break;
default:
WARN_ON(1);
- err = -EOPNOTSUPP;
- goto out;
+ return -EOPNOTSUPP;
}
- if (!call) {
- err = -EOPNOTSUPP;
- goto out;
- }
+ if (!call)
+ return -EOPNOTSUPP;
memset(&params, 0, sizeof(params));
@@ -1695,52 +1728,25 @@ static int nl80211_addset_beacon(struct sk_buff *skb, struct genl_info *info)
haveinfo = 1;
}
- if (!haveinfo) {
- err = -EINVAL;
- goto out;
- }
-
- err = call(&rdev->wiphy, dev, &params);
-
- out:
- cfg80211_unlock_rdev(rdev);
- dev_put(dev);
- unlock_rtnl:
- rtnl_unlock();
+ if (!haveinfo)
+ return -EINVAL;
- return err;
+ return call(&rdev->wiphy, dev, &params);
}
static int nl80211_del_beacon(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *rdev;
- int err;
- struct net_device *dev;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
- rtnl_lock();
-
- err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
- if (err)
- goto unlock_rtnl;
-
- if (!rdev->ops->del_beacon) {
- err = -EOPNOTSUPP;
- goto out;
- }
-
- if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP) {
- err = -EOPNOTSUPP;
- goto out;
- }
- err = rdev->ops->del_beacon(&rdev->wiphy, dev);
+ if (!rdev->ops->del_beacon)
+ return -EOPNOTSUPP;
- out:
- cfg80211_unlock_rdev(rdev);
- dev_put(dev);
- unlock_rtnl:
- rtnl_unlock();
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
+ return -EOPNOTSUPP;
- return err;
+ return rdev->ops->del_beacon(&rdev->wiphy, dev);
}
static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
@@ -1861,6 +1867,12 @@ static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq,
if (sinfo->filled & STATION_INFO_TX_PACKETS)
NLA_PUT_U32(msg, NL80211_STA_INFO_TX_PACKETS,
sinfo->tx_packets);
+ if (sinfo->filled & STATION_INFO_TX_RETRIES)
+ NLA_PUT_U32(msg, NL80211_STA_INFO_TX_RETRIES,
+ sinfo->tx_retries);
+ if (sinfo->filled & STATION_INFO_TX_FAILED)
+ NLA_PUT_U32(msg, NL80211_STA_INFO_TX_FAILED,
+ sinfo->tx_failed);
nla_nest_end(msg, sinfoattr);
return genlmsg_end(msg, hdr);
@@ -1877,28 +1889,12 @@ static int nl80211_dump_station(struct sk_buff *skb,
struct cfg80211_registered_device *dev;
struct net_device *netdev;
u8 mac_addr[ETH_ALEN];
- int ifidx = cb->args[0];
int sta_idx = cb->args[1];
int err;
- if (!ifidx)
- ifidx = nl80211_get_ifidx(cb);
- if (ifidx < 0)
- return ifidx;
-
- rtnl_lock();
-
- netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
- if (!netdev) {
- err = -ENODEV;
- goto out_rtnl;
- }
-
- dev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx);
- if (IS_ERR(dev)) {
- err = PTR_ERR(dev);
- goto out_rtnl;
- }
+ err = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev);
+ if (err)
+ return err;
if (!dev->ops->dump_station) {
err = -EOPNOTSUPP;
@@ -1928,21 +1924,19 @@ static int nl80211_dump_station(struct sk_buff *skb,
cb->args[1] = sta_idx;
err = skb->len;
out_err:
- cfg80211_unlock_rdev(dev);
- out_rtnl:
- rtnl_unlock();
+ nl80211_finish_netdev_dump(dev);
return err;
}
static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *rdev;
- int err;
- struct net_device *dev;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
struct station_info sinfo;
struct sk_buff *msg;
u8 *mac_addr = NULL;
+ int err;
memset(&sinfo, 0, sizeof(sinfo));
@@ -1951,41 +1945,24 @@ static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
- rtnl_lock();
-
- err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
- if (err)
- goto out_rtnl;
-
- if (!rdev->ops->get_station) {
- err = -EOPNOTSUPP;
- goto out;
- }
+ if (!rdev->ops->get_station)
+ return -EOPNOTSUPP;
err = rdev->ops->get_station(&rdev->wiphy, dev, mac_addr, &sinfo);
if (err)
- goto out;
+ return err;
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
if (!msg)
- goto out;
+ return -ENOMEM;
if (nl80211_send_station(msg, info->snd_pid, info->snd_seq, 0,
- dev, mac_addr, &sinfo) < 0)
- goto out_free;
-
- err = genlmsg_reply(msg, info);
- goto out;
-
- out_free:
- nlmsg_free(msg);
- out:
- cfg80211_unlock_rdev(rdev);
- dev_put(dev);
- out_rtnl:
- rtnl_unlock();
+ dev, mac_addr, &sinfo) < 0) {
+ nlmsg_free(msg);
+ return -ENOBUFS;
+ }
- return err;
+ return genlmsg_reply(msg, info);
}
/*
@@ -2015,9 +1992,9 @@ static int get_vlan(struct genl_info *info,
static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *rdev;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
int err;
- struct net_device *dev;
+ struct net_device *dev = info->user_ptr[1];
struct station_parameters params;
u8 *mac_addr = NULL;
@@ -2055,12 +2032,6 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
params.plink_action =
nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
- rtnl_lock();
-
- err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
- if (err)
- goto out_rtnl;
-
err = get_vlan(info, rdev, &params.vlan);
if (err)
goto out;
@@ -2071,10 +2042,12 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
switch (dev->ieee80211_ptr->iftype) {
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_AP_VLAN:
+ case NL80211_IFTYPE_P2P_GO:
/* disallow mesh-specific things */
if (params.plink_action)
err = -EINVAL;
break;
+ case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_STATION:
/* disallow everything but AUTHORIZED flag */
if (params.plink_action)
@@ -2120,19 +2093,15 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
out:
if (params.vlan)
dev_put(params.vlan);
- cfg80211_unlock_rdev(rdev);
- dev_put(dev);
- out_rtnl:
- rtnl_unlock();
return err;
}
static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *rdev;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
int err;
- struct net_device *dev;
+ struct net_device *dev = info->user_ptr[1];
struct station_parameters params;
u8 *mac_addr = NULL;
@@ -2169,17 +2138,10 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
if (parse_station_flags(info, &params))
return -EINVAL;
- rtnl_lock();
-
- err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
- if (err)
- goto out_rtnl;
-
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
- dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN) {
- err = -EINVAL;
- goto out;
- }
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
+ return -EINVAL;
err = get_vlan(info, rdev, &params.vlan);
if (err)
@@ -2193,61 +2155,33 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
goto out;
}
- if (!netif_running(dev)) {
- err = -ENETDOWN;
- goto out;
- }
-
err = rdev->ops->add_station(&rdev->wiphy, dev, mac_addr, &params);
out:
if (params.vlan)
dev_put(params.vlan);
- cfg80211_unlock_rdev(rdev);
- dev_put(dev);
- out_rtnl:
- rtnl_unlock();
-
return err;
}
static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *rdev;
- int err;
- struct net_device *dev;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
u8 *mac_addr = NULL;
if (info->attrs[NL80211_ATTR_MAC])
mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
- rtnl_lock();
-
- err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
- if (err)
- goto out_rtnl;
-
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
- dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) {
- err = -EINVAL;
- goto out;
- }
-
- if (!rdev->ops->del_station) {
- err = -EOPNOTSUPP;
- goto out;
- }
-
- err = rdev->ops->del_station(&rdev->wiphy, dev, mac_addr);
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
+ return -EINVAL;
- out:
- cfg80211_unlock_rdev(rdev);
- dev_put(dev);
- out_rtnl:
- rtnl_unlock();
+ if (!rdev->ops->del_station)
+ return -EOPNOTSUPP;
- return err;
+ return rdev->ops->del_station(&rdev->wiphy, dev, mac_addr);
}
static int nl80211_send_mpath(struct sk_buff *msg, u32 pid, u32 seq,
@@ -2310,28 +2244,12 @@ static int nl80211_dump_mpath(struct sk_buff *skb,
struct net_device *netdev;
u8 dst[ETH_ALEN];
u8 next_hop[ETH_ALEN];
- int ifidx = cb->args[0];
int path_idx = cb->args[1];
int err;
- if (!ifidx)
- ifidx = nl80211_get_ifidx(cb);
- if (ifidx < 0)
- return ifidx;
-
- rtnl_lock();
-
- netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
- if (!netdev) {
- err = -ENODEV;
- goto out_rtnl;
- }
-
- dev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx);
- if (IS_ERR(dev)) {
- err = PTR_ERR(dev);
- goto out_rtnl;
- }
+ err = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev);
+ if (err)
+ return err;
if (!dev->ops->dump_mpath) {
err = -EOPNOTSUPP;
@@ -2365,18 +2283,15 @@ static int nl80211_dump_mpath(struct sk_buff *skb,
cb->args[1] = path_idx;
err = skb->len;
out_err:
- cfg80211_unlock_rdev(dev);
- out_rtnl:
- rtnl_unlock();
-
+ nl80211_finish_netdev_dump(dev);
return err;
}
static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *rdev;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
int err;
- struct net_device *dev;
+ struct net_device *dev = info->user_ptr[1];
struct mpath_info pinfo;
struct sk_buff *msg;
u8 *dst = NULL;
@@ -2389,53 +2304,33 @@ static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
- rtnl_lock();
-
- err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
- if (err)
- goto out_rtnl;
-
- if (!rdev->ops->get_mpath) {
- err = -EOPNOTSUPP;
- goto out;
- }
+ if (!rdev->ops->get_mpath)
+ return -EOPNOTSUPP;
- if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) {
- err = -EOPNOTSUPP;
- goto out;
- }
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
+ return -EOPNOTSUPP;
err = rdev->ops->get_mpath(&rdev->wiphy, dev, dst, next_hop, &pinfo);
if (err)
- goto out;
+ return err;
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
if (!msg)
- goto out;
+ return -ENOMEM;
if (nl80211_send_mpath(msg, info->snd_pid, info->snd_seq, 0,
- dev, dst, next_hop, &pinfo) < 0)
- goto out_free;
-
- err = genlmsg_reply(msg, info);
- goto out;
-
- out_free:
- nlmsg_free(msg);
- out:
- cfg80211_unlock_rdev(rdev);
- dev_put(dev);
- out_rtnl:
- rtnl_unlock();
+ dev, dst, next_hop, &pinfo) < 0) {
+ nlmsg_free(msg);
+ return -ENOBUFS;
+ }
- return err;
+ return genlmsg_reply(msg, info);
}
static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *rdev;
- int err;
- struct net_device *dev;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
u8 *dst = NULL;
u8 *next_hop = NULL;
@@ -2448,42 +2343,19 @@ static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
- rtnl_lock();
-
- err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
- if (err)
- goto out_rtnl;
-
- if (!rdev->ops->change_mpath) {
- err = -EOPNOTSUPP;
- goto out;
- }
-
- if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) {
- err = -EOPNOTSUPP;
- goto out;
- }
-
- if (!netif_running(dev)) {
- err = -ENETDOWN;
- goto out;
- }
-
- err = rdev->ops->change_mpath(&rdev->wiphy, dev, dst, next_hop);
+ if (!rdev->ops->change_mpath)
+ return -EOPNOTSUPP;
- out:
- cfg80211_unlock_rdev(rdev);
- dev_put(dev);
- out_rtnl:
- rtnl_unlock();
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
+ return -EOPNOTSUPP;
- return err;
+ return rdev->ops->change_mpath(&rdev->wiphy, dev, dst, next_hop);
}
+
static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *rdev;
- int err;
- struct net_device *dev;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
u8 *dst = NULL;
u8 *next_hop = NULL;
@@ -2496,75 +2368,34 @@ static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
- rtnl_lock();
-
- err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
- if (err)
- goto out_rtnl;
-
- if (!rdev->ops->add_mpath) {
- err = -EOPNOTSUPP;
- goto out;
- }
-
- if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) {
- err = -EOPNOTSUPP;
- goto out;
- }
-
- if (!netif_running(dev)) {
- err = -ENETDOWN;
- goto out;
- }
-
- err = rdev->ops->add_mpath(&rdev->wiphy, dev, dst, next_hop);
+ if (!rdev->ops->add_mpath)
+ return -EOPNOTSUPP;
- out:
- cfg80211_unlock_rdev(rdev);
- dev_put(dev);
- out_rtnl:
- rtnl_unlock();
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
+ return -EOPNOTSUPP;
- return err;
+ return rdev->ops->add_mpath(&rdev->wiphy, dev, dst, next_hop);
}
static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *rdev;
- int err;
- struct net_device *dev;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
u8 *dst = NULL;
if (info->attrs[NL80211_ATTR_MAC])
dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
- rtnl_lock();
-
- err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
- if (err)
- goto out_rtnl;
-
- if (!rdev->ops->del_mpath) {
- err = -EOPNOTSUPP;
- goto out;
- }
-
- err = rdev->ops->del_mpath(&rdev->wiphy, dev, dst);
-
- out:
- cfg80211_unlock_rdev(rdev);
- dev_put(dev);
- out_rtnl:
- rtnl_unlock();
+ if (!rdev->ops->del_mpath)
+ return -EOPNOTSUPP;
- return err;
+ return rdev->ops->del_mpath(&rdev->wiphy, dev, dst);
}
static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *rdev;
- int err;
- struct net_device *dev;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
struct bss_parameters params;
memset(&params, 0, sizeof(params));
@@ -2592,31 +2423,14 @@ static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
if (info->attrs[NL80211_ATTR_AP_ISOLATE])
params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
- rtnl_lock();
-
- err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
- if (err)
- goto out_rtnl;
-
- if (!rdev->ops->change_bss) {
- err = -EOPNOTSUPP;
- goto out;
- }
-
- if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP) {
- err = -EOPNOTSUPP;
- goto out;
- }
-
- err = rdev->ops->change_bss(&rdev->wiphy, dev, &params);
+ if (!rdev->ops->change_bss)
+ return -EOPNOTSUPP;
- out:
- cfg80211_unlock_rdev(rdev);
- dev_put(dev);
- out_rtnl:
- rtnl_unlock();
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
+ return -EOPNOTSUPP;
- return err;
+ return rdev->ops->change_bss(&rdev->wiphy, dev, &params);
}
static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
@@ -2695,37 +2509,26 @@ static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
static int nl80211_get_mesh_params(struct sk_buff *skb,
struct genl_info *info)
{
- struct cfg80211_registered_device *rdev;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct mesh_config cur_params;
int err;
- struct net_device *dev;
+ struct net_device *dev = info->user_ptr[1];
void *hdr;
struct nlattr *pinfoattr;
struct sk_buff *msg;
- rtnl_lock();
-
- /* Look up our device */
- err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
- if (err)
- goto out_rtnl;
-
- if (!rdev->ops->get_mesh_params) {
- err = -EOPNOTSUPP;
- goto out;
- }
+ if (!rdev->ops->get_mesh_params)
+ return -EOPNOTSUPP;
/* Get the mesh params */
err = rdev->ops->get_mesh_params(&rdev->wiphy, dev, &cur_params);
if (err)
- goto out;
+ return err;
/* Draw up a netlink message to send back */
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
- if (!msg) {
- err = -ENOBUFS;
- goto out;
- }
+ if (!msg)
+ return -ENOMEM;
hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
NL80211_CMD_GET_MESH_PARAMS);
if (!hdr)
@@ -2764,21 +2567,12 @@ static int nl80211_get_mesh_params(struct sk_buff *skb,
cur_params.dot11MeshHWMPRootMode);
nla_nest_end(msg, pinfoattr);
genlmsg_end(msg, hdr);
- err = genlmsg_reply(msg, info);
- goto out;
+ return genlmsg_reply(msg, info);
nla_put_failure:
genlmsg_cancel(msg, hdr);
nlmsg_free(msg);
- err = -EMSGSIZE;
- out:
- /* Cleanup */
- cfg80211_unlock_rdev(rdev);
- dev_put(dev);
- out_rtnl:
- rtnl_unlock();
-
- return err;
+ return -ENOBUFS;
}
#define FILL_IN_MESH_PARAM_IF_SET(table, cfg, param, mask, attr_num, nla_fn) \
@@ -2808,10 +2602,9 @@ static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_A
static int nl80211_set_mesh_params(struct sk_buff *skb, struct genl_info *info)
{
- int err;
u32 mask;
- struct cfg80211_registered_device *rdev;
- struct net_device *dev;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
struct mesh_config cfg;
struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
struct nlattr *parent_attr;
@@ -2823,16 +2616,8 @@ static int nl80211_set_mesh_params(struct sk_buff *skb, struct genl_info *info)
parent_attr, nl80211_meshconf_params_policy))
return -EINVAL;
- rtnl_lock();
-
- err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
- if (err)
- goto out_rtnl;
-
- if (!rdev->ops->set_mesh_params) {
- err = -EOPNOTSUPP;
- goto out;
- }
+ if (!rdev->ops->set_mesh_params)
+ return -EOPNOTSUPP;
/* This makes sure that there aren't more than 32 mesh config
* parameters (otherwise our bitfield scheme would not work.) */
@@ -2878,16 +2663,7 @@ static int nl80211_set_mesh_params(struct sk_buff *skb, struct genl_info *info)
nla_get_u8);
/* Apply changes */
- err = rdev->ops->set_mesh_params(&rdev->wiphy, dev, &cfg, mask);
-
- out:
- /* cleanup */
- cfg80211_unlock_rdev(rdev);
- dev_put(dev);
- out_rtnl:
- rtnl_unlock();
-
- return err;
+ return rdev->ops->set_mesh_params(&rdev->wiphy, dev, &cfg, mask);
}
#undef FILL_IN_MESH_PARAM_IF_SET
@@ -3070,8 +2846,8 @@ 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;
- struct net_device *dev;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
struct cfg80211_scan_request *request;
struct cfg80211_ssid *ssid;
struct ieee80211_channel *channel;
@@ -3084,36 +2860,19 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
return -EINVAL;
- rtnl_lock();
-
- err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
- if (err)
- goto out_rtnl;
-
wiphy = &rdev->wiphy;
- if (!rdev->ops->scan) {
- err = -EOPNOTSUPP;
- goto out;
- }
-
- if (!netif_running(dev)) {
- err = -ENETDOWN;
- goto out;
- }
+ if (!rdev->ops->scan)
+ return -EOPNOTSUPP;
- if (rdev->scan_req) {
- err = -EBUSY;
- goto out;
- }
+ if (rdev->scan_req)
+ return -EBUSY;
if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
n_channels = validate_scan_freqs(
info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
- if (!n_channels) {
- err = -EINVAL;
- goto out;
- }
+ if (!n_channels)
+ return -EINVAL;
} else {
n_channels = 0;
@@ -3126,29 +2885,23 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
n_ssids++;
- if (n_ssids > wiphy->max_scan_ssids) {
- err = -EINVAL;
- goto out;
- }
+ if (n_ssids > wiphy->max_scan_ssids)
+ return -EINVAL;
if (info->attrs[NL80211_ATTR_IE])
ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
else
ie_len = 0;
- if (ie_len > wiphy->max_scan_ie_len) {
- err = -EINVAL;
- goto out;
- }
+ if (ie_len > wiphy->max_scan_ie_len)
+ return -EINVAL;
request = kzalloc(sizeof(*request)
+ sizeof(*ssid) * n_ssids
+ sizeof(channel) * n_channels
+ ie_len, GFP_KERNEL);
- if (!request) {
- err = -ENOMEM;
- goto out;
- }
+ if (!request)
+ return -ENOMEM;
if (n_ssids)
request->ssids = (void *)&request->channels[n_channels];
@@ -3236,18 +2989,11 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
if (!err) {
nl80211_send_scan_start(rdev, dev);
dev_hold(dev);
- }
-
+ } else {
out_free:
- if (err) {
rdev->scan_req = NULL;
kfree(request);
}
- out:
- cfg80211_unlock_rdev(rdev);
- dev_put(dev);
- out_rtnl:
- rtnl_unlock();
return err;
}
@@ -3306,6 +3052,7 @@ static int nl80211_send_bss(struct sk_buff *msg, u32 pid, u32 seq, int flags,
}
switch (wdev->iftype) {
+ case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_STATION:
if (intbss == wdev->current_bss)
NLA_PUT_U32(msg, NL80211_BSS_STATUS,
@@ -3343,25 +3090,12 @@ static int nl80211_dump_scan(struct sk_buff *skb,
struct net_device *dev;
struct cfg80211_internal_bss *scan;
struct wireless_dev *wdev;
- int ifidx = cb->args[0];
int start = cb->args[1], idx = 0;
int err;
- if (!ifidx)
- ifidx = nl80211_get_ifidx(cb);
- if (ifidx < 0)
- return ifidx;
- cb->args[0] = ifidx;
-
- dev = dev_get_by_index(sock_net(skb->sk), ifidx);
- if (!dev)
- return -ENODEV;
-
- rdev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx);
- if (IS_ERR(rdev)) {
- err = PTR_ERR(rdev);
- goto out_put_netdev;
- }
+ err = nl80211_prepare_netdev_dump(skb, cb, &rdev, &dev);
+ if (err)
+ return err;
wdev = dev->ieee80211_ptr;
@@ -3377,21 +3111,17 @@ static int nl80211_dump_scan(struct sk_buff *skb,
cb->nlh->nlmsg_seq, NLM_F_MULTI,
rdev, wdev, scan) < 0) {
idx--;
- goto out;
+ break;
}
}
- out:
spin_unlock_bh(&rdev->bss_lock);
wdev_unlock(wdev);
cb->args[1] = idx;
- err = skb->len;
- cfg80211_unlock_rdev(rdev);
- out_put_netdev:
- dev_put(dev);
+ nl80211_finish_netdev_dump(rdev);
- return err;
+ return skb->len;
}
static int nl80211_send_survey(struct sk_buff *msg, u32 pid, u32 seq,
@@ -3421,6 +3151,23 @@ static int nl80211_send_survey(struct sk_buff *msg, u32 pid, u32 seq,
if (survey->filled & SURVEY_INFO_NOISE_DBM)
NLA_PUT_U8(msg, NL80211_SURVEY_INFO_NOISE,
survey->noise);
+ if (survey->filled & SURVEY_INFO_IN_USE)
+ NLA_PUT_FLAG(msg, NL80211_SURVEY_INFO_IN_USE);
+ if (survey->filled & SURVEY_INFO_CHANNEL_TIME)
+ NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME,
+ survey->channel_time);
+ if (survey->filled & SURVEY_INFO_CHANNEL_TIME_BUSY)
+ NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY,
+ survey->channel_time_busy);
+ if (survey->filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY)
+ NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY,
+ survey->channel_time_ext_busy);
+ if (survey->filled & SURVEY_INFO_CHANNEL_TIME_RX)
+ NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_RX,
+ survey->channel_time_rx);
+ if (survey->filled & SURVEY_INFO_CHANNEL_TIME_TX)
+ NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_TX,
+ survey->channel_time_tx);
nla_nest_end(msg, infoattr);
@@ -3437,29 +3184,12 @@ static int nl80211_dump_survey(struct sk_buff *skb,
struct survey_info survey;
struct cfg80211_registered_device *dev;
struct net_device *netdev;
- int ifidx = cb->args[0];
int survey_idx = cb->args[1];
int res;
- if (!ifidx)
- ifidx = nl80211_get_ifidx(cb);
- if (ifidx < 0)
- return ifidx;
- cb->args[0] = ifidx;
-
- rtnl_lock();
-
- netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
- if (!netdev) {
- res = -ENODEV;
- goto out_rtnl;
- }
-
- dev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx);
- if (IS_ERR(dev)) {
- res = PTR_ERR(dev);
- goto out_rtnl;
- }
+ res = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev);
+ if (res)
+ return res;
if (!dev->ops->dump_survey) {
res = -EOPNOTSUPP;
@@ -3487,10 +3217,7 @@ static int nl80211_dump_survey(struct sk_buff *skb,
cb->args[1] = survey_idx;
res = skb->len;
out_err:
- cfg80211_unlock_rdev(dev);
- out_rtnl:
- rtnl_unlock();
-
+ nl80211_finish_netdev_dump(dev);
return res;
}
@@ -3523,8 +3250,8 @@ static bool nl80211_valid_cipher_suite(u32 cipher)
static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *rdev;
- struct net_device *dev;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
struct ieee80211_channel *chan;
const u8 *bssid, *ssid, *ie = NULL;
int err, ssid_len, ie_len = 0;
@@ -3552,6 +3279,8 @@ static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
return err;
if (key.idx >= 0) {
+ if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
+ return -EINVAL;
if (!key.p.key || !key.p.key_len)
return -EINVAL;
if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
@@ -3566,34 +3295,31 @@ static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
key.p.key = NULL;
}
- rtnl_lock();
-
- err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
- if (err)
- goto unlock_rtnl;
-
- if (!rdev->ops->auth) {
- err = -EOPNOTSUPP;
- goto out;
+ if (key.idx >= 0) {
+ int i;
+ bool ok = false;
+ for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
+ if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
+ ok = true;
+ break;
+ }
+ }
+ if (!ok)
+ return -EINVAL;
}
- if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) {
- err = -EOPNOTSUPP;
- goto out;
- }
+ if (!rdev->ops->auth)
+ return -EOPNOTSUPP;
- if (!netif_running(dev)) {
- err = -ENETDOWN;
- goto out;
- }
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
+ return -EOPNOTSUPP;
bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
chan = ieee80211_get_channel(&rdev->wiphy,
nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
- if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) {
- err = -EINVAL;
- goto out;
- }
+ if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED))
+ return -EINVAL;
ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
@@ -3604,27 +3330,19 @@ static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
}
auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
- if (!nl80211_valid_auth_type(auth_type)) {
- err = -EINVAL;
- goto out;
- }
+ if (!nl80211_valid_auth_type(auth_type))
+ return -EINVAL;
local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
- err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
- ssid, ssid_len, ie, ie_len,
- key.p.key, key.p.key_len, key.idx,
- local_state_change);
-
-out:
- cfg80211_unlock_rdev(rdev);
- dev_put(dev);
-unlock_rtnl:
- rtnl_unlock();
- return err;
+ return cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
+ ssid, ssid_len, ie, ie_len,
+ key.p.key, key.p.key_len, key.idx,
+ local_state_change);
}
-static int nl80211_crypto_settings(struct genl_info *info,
+static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
+ struct genl_info *info,
struct cfg80211_crypto_settings *settings,
int cipher_limit)
{
@@ -3632,6 +3350,19 @@ static int nl80211_crypto_settings(struct genl_info *info,
settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
+ if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
+ u16 proto;
+ proto = nla_get_u16(
+ info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
+ settings->control_port_ethertype = cpu_to_be16(proto);
+ if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
+ proto != ETH_P_PAE)
+ return -EINVAL;
+ if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
+ settings->control_port_no_encrypt = true;
+ } else
+ settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
+
if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
void *data;
int len, i;
@@ -3691,8 +3422,8 @@ static int nl80211_crypto_settings(struct genl_info *info,
static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *rdev;
- struct net_device *dev;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
struct cfg80211_crypto_settings crypto;
struct ieee80211_channel *chan;
const u8 *bssid, *ssid, *ie = NULL, *prev_bssid = NULL;
@@ -3707,35 +3438,19 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
!info->attrs[NL80211_ATTR_WIPHY_FREQ])
return -EINVAL;
- rtnl_lock();
-
- err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
- if (err)
- goto unlock_rtnl;
-
- if (!rdev->ops->assoc) {
- err = -EOPNOTSUPP;
- goto out;
- }
-
- if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) {
- err = -EOPNOTSUPP;
- goto out;
- }
+ if (!rdev->ops->assoc)
+ return -EOPNOTSUPP;
- if (!netif_running(dev)) {
- err = -ENETDOWN;
- goto out;
- }
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
+ return -EOPNOTSUPP;
bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
chan = ieee80211_get_channel(&rdev->wiphy,
nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
- if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) {
- err = -EINVAL;
- goto out;
- }
+ if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED))
+ return -EINVAL;
ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
@@ -3750,35 +3465,28 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
if (mfp == NL80211_MFP_REQUIRED)
use_mfp = true;
- else if (mfp != NL80211_MFP_NO) {
- err = -EINVAL;
- goto out;
- }
+ else if (mfp != NL80211_MFP_NO)
+ return -EINVAL;
}
if (info->attrs[NL80211_ATTR_PREV_BSSID])
prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
- err = nl80211_crypto_settings(info, &crypto, 1);
+ err = nl80211_crypto_settings(rdev, info, &crypto, 1);
if (!err)
err = cfg80211_mlme_assoc(rdev, dev, chan, bssid, prev_bssid,
ssid, ssid_len, ie, ie_len, use_mfp,
&crypto);
-out:
- cfg80211_unlock_rdev(rdev);
- dev_put(dev);
-unlock_rtnl:
- rtnl_unlock();
return err;
}
static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *rdev;
- struct net_device *dev;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
const u8 *ie = NULL, *bssid;
- int err, ie_len = 0;
+ int ie_len = 0;
u16 reason_code;
bool local_state_change;
@@ -3791,34 +3499,19 @@ static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
if (!info->attrs[NL80211_ATTR_REASON_CODE])
return -EINVAL;
- rtnl_lock();
-
- err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
- if (err)
- goto unlock_rtnl;
-
- if (!rdev->ops->deauth) {
- err = -EOPNOTSUPP;
- goto out;
- }
-
- if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) {
- err = -EOPNOTSUPP;
- goto out;
- }
+ if (!rdev->ops->deauth)
+ return -EOPNOTSUPP;
- if (!netif_running(dev)) {
- err = -ENETDOWN;
- goto out;
- }
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
+ return -EOPNOTSUPP;
bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
if (reason_code == 0) {
/* Reason Code 0 is reserved */
- err = -EINVAL;
- goto out;
+ return -EINVAL;
}
if (info->attrs[NL80211_ATTR_IE]) {
@@ -3828,23 +3521,16 @@ static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
- err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
- local_state_change);
-
-out:
- cfg80211_unlock_rdev(rdev);
- dev_put(dev);
-unlock_rtnl:
- rtnl_unlock();
- return err;
+ return cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
+ local_state_change);
}
static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *rdev;
- struct net_device *dev;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
const u8 *ie = NULL, *bssid;
- int err, ie_len = 0;
+ int ie_len = 0;
u16 reason_code;
bool local_state_change;
@@ -3857,34 +3543,19 @@ static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
if (!info->attrs[NL80211_ATTR_REASON_CODE])
return -EINVAL;
- rtnl_lock();
-
- err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
- if (err)
- goto unlock_rtnl;
-
- if (!rdev->ops->disassoc) {
- err = -EOPNOTSUPP;
- goto out;
- }
-
- if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) {
- err = -EOPNOTSUPP;
- goto out;
- }
+ if (!rdev->ops->disassoc)
+ return -EOPNOTSUPP;
- if (!netif_running(dev)) {
- err = -ENETDOWN;
- goto out;
- }
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
+ return -EOPNOTSUPP;
bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
if (reason_code == 0) {
/* Reason Code 0 is reserved */
- err = -EINVAL;
- goto out;
+ return -EINVAL;
}
if (info->attrs[NL80211_ATTR_IE]) {
@@ -3894,21 +3565,14 @@ static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
- err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
- local_state_change);
-
-out:
- cfg80211_unlock_rdev(rdev);
- dev_put(dev);
-unlock_rtnl:
- rtnl_unlock();
- return err;
+ return cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
+ local_state_change);
}
static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *rdev;
- struct net_device *dev;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
struct cfg80211_ibss_params ibss;
struct wiphy *wiphy;
struct cfg80211_cached_keys *connkeys = NULL;
@@ -3933,26 +3597,11 @@ static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
return -EINVAL;
}
- rtnl_lock();
-
- err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
- if (err)
- goto unlock_rtnl;
-
- if (!rdev->ops->join_ibss) {
- err = -EOPNOTSUPP;
- goto out;
- }
-
- if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) {
- err = -EOPNOTSUPP;
- goto out;
- }
+ if (!rdev->ops->join_ibss)
+ return -EOPNOTSUPP;
- if (!netif_running(dev)) {
- err = -ENETDOWN;
- goto out;
- }
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
+ return -EOPNOTSUPP;
wiphy = &rdev->wiphy;
@@ -3970,24 +3619,12 @@ static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
if (!ibss.channel ||
ibss.channel->flags & IEEE80211_CHAN_NO_IBSS ||
- ibss.channel->flags & IEEE80211_CHAN_DISABLED) {
- err = -EINVAL;
- goto out;
- }
+ ibss.channel->flags & IEEE80211_CHAN_DISABLED)
+ return -EINVAL;
ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
- if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
- connkeys = nl80211_parse_connkeys(rdev,
- info->attrs[NL80211_ATTR_KEYS]);
- if (IS_ERR(connkeys)) {
- err = PTR_ERR(connkeys);
- connkeys = NULL;
- goto out;
- }
- }
-
if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
u8 *rates =
nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
@@ -3997,10 +3634,8 @@ static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
wiphy->bands[ibss.channel->band];
int i, j;
- if (n_rates == 0) {
- err = -EINVAL;
- goto out;
- }
+ if (n_rates == 0)
+ return -EINVAL;
for (i = 0; i < n_rates; i++) {
int rate = (rates[i] & 0x7f) * 5;
@@ -4013,77 +3648,36 @@ static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
break;
}
}
- if (!found) {
- err = -EINVAL;
- goto out;
- }
- }
- } else {
- /*
- * If no rates were explicitly configured,
- * use the mandatory rate set for 11b or
- * 11a for maximum compatibility.
- */
- struct ieee80211_supported_band *sband =
- wiphy->bands[ibss.channel->band];
- int j;
- u32 flag = ibss.channel->band == IEEE80211_BAND_5GHZ ?
- IEEE80211_RATE_MANDATORY_A :
- IEEE80211_RATE_MANDATORY_B;
-
- for (j = 0; j < sband->n_bitrates; j++) {
- if (sband->bitrates[j].flags & flag)
- ibss.basic_rates |= BIT(j);
+ if (!found)
+ return -EINVAL;
}
}
- err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
+ if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
+ connkeys = nl80211_parse_connkeys(rdev,
+ info->attrs[NL80211_ATTR_KEYS]);
+ if (IS_ERR(connkeys))
+ return PTR_ERR(connkeys);
+ }
-out:
- cfg80211_unlock_rdev(rdev);
- dev_put(dev);
-unlock_rtnl:
+ err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
if (err)
kfree(connkeys);
- rtnl_unlock();
return err;
}
static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *rdev;
- struct net_device *dev;
- int err;
-
- rtnl_lock();
-
- err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
- if (err)
- goto unlock_rtnl;
-
- if (!rdev->ops->leave_ibss) {
- err = -EOPNOTSUPP;
- goto out;
- }
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
- if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) {
- err = -EOPNOTSUPP;
- goto out;
- }
-
- if (!netif_running(dev)) {
- err = -ENETDOWN;
- goto out;
- }
+ if (!rdev->ops->leave_ibss)
+ return -EOPNOTSUPP;
- err = cfg80211_leave_ibss(rdev, dev, false);
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
+ return -EOPNOTSUPP;
-out:
- cfg80211_unlock_rdev(rdev);
- dev_put(dev);
-unlock_rtnl:
- rtnl_unlock();
- return err;
+ return cfg80211_leave_ibss(rdev, dev, false);
}
#ifdef CONFIG_NL80211_TESTMODE
@@ -4093,20 +3687,12 @@ static struct genl_multicast_group nl80211_testmode_mcgrp = {
static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *rdev;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
int err;
if (!info->attrs[NL80211_ATTR_TESTDATA])
return -EINVAL;
- rtnl_lock();
-
- rdev = cfg80211_get_dev_from_info(info);
- if (IS_ERR(rdev)) {
- err = PTR_ERR(rdev);
- goto unlock_rtnl;
- }
-
err = -EOPNOTSUPP;
if (rdev->ops->testmode_cmd) {
rdev->testmode_info = info;
@@ -4116,10 +3702,6 @@ static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
rdev->testmode_info = NULL;
}
- cfg80211_unlock_rdev(rdev);
-
- unlock_rtnl:
- rtnl_unlock();
return err;
}
@@ -4210,8 +3792,8 @@ EXPORT_SYMBOL(cfg80211_testmode_event);
static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *rdev;
- struct net_device *dev;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
struct cfg80211_connect_params connect;
struct wiphy *wiphy;
struct cfg80211_cached_keys *connkeys = NULL;
@@ -4236,25 +3818,14 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
- err = nl80211_crypto_settings(info, &connect.crypto,
+ err = nl80211_crypto_settings(rdev, info, &connect.crypto,
NL80211_MAX_NR_CIPHER_SUITES);
if (err)
return err;
- rtnl_lock();
- err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
- if (err)
- goto unlock_rtnl;
-
- if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) {
- err = -EOPNOTSUPP;
- goto out;
- }
-
- if (!netif_running(dev)) {
- err = -ENETDOWN;
- goto out;
- }
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
+ return -EOPNOTSUPP;
wiphy = &rdev->wiphy;
@@ -4273,39 +3844,27 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
ieee80211_get_channel(wiphy,
nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
if (!connect.channel ||
- connect.channel->flags & IEEE80211_CHAN_DISABLED) {
- err = -EINVAL;
- goto out;
- }
+ connect.channel->flags & IEEE80211_CHAN_DISABLED)
+ return -EINVAL;
}
if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
connkeys = nl80211_parse_connkeys(rdev,
info->attrs[NL80211_ATTR_KEYS]);
- if (IS_ERR(connkeys)) {
- err = PTR_ERR(connkeys);
- connkeys = NULL;
- goto out;
- }
+ if (IS_ERR(connkeys))
+ return PTR_ERR(connkeys);
}
err = cfg80211_connect(rdev, dev, &connect, connkeys);
-
-out:
- cfg80211_unlock_rdev(rdev);
- dev_put(dev);
-unlock_rtnl:
if (err)
kfree(connkeys);
- rtnl_unlock();
return err;
}
static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *rdev;
- struct net_device *dev;
- int err;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
u16 reason;
if (!info->attrs[NL80211_ATTR_REASON_CODE])
@@ -4316,35 +3875,16 @@ static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
if (reason == 0)
return -EINVAL;
- rtnl_lock();
-
- err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
- if (err)
- goto unlock_rtnl;
-
- if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) {
- err = -EOPNOTSUPP;
- goto out;
- }
-
- if (!netif_running(dev)) {
- err = -ENETDOWN;
- goto out;
- }
-
- err = cfg80211_disconnect(rdev, dev, reason, true);
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
+ return -EOPNOTSUPP;
-out:
- cfg80211_unlock_rdev(rdev);
- dev_put(dev);
-unlock_rtnl:
- rtnl_unlock();
- return err;
+ return cfg80211_disconnect(rdev, dev, reason, true);
}
static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *rdev;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct net *net;
int err;
u32 pid;
@@ -4354,43 +3894,26 @@ static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
- rtnl_lock();
-
- rdev = cfg80211_get_dev_from_info(info);
- if (IS_ERR(rdev)) {
- err = PTR_ERR(rdev);
- goto out_rtnl;
- }
-
net = get_net_ns_by_pid(pid);
- if (IS_ERR(net)) {
- err = PTR_ERR(net);
- goto out;
- }
+ if (IS_ERR(net))
+ return PTR_ERR(net);
err = 0;
/* check if anything to do */
- if (net_eq(wiphy_net(&rdev->wiphy), net))
- goto out_put_net;
+ if (!net_eq(wiphy_net(&rdev->wiphy), net))
+ err = cfg80211_switch_netns(rdev, net);
- err = cfg80211_switch_netns(rdev, net);
- out_put_net:
put_net(net);
- out:
- cfg80211_unlock_rdev(rdev);
- out_rtnl:
- rtnl_unlock();
return err;
}
static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *rdev;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_pmksa *pmksa) = NULL;
- int err;
- struct net_device *dev;
+ struct net_device *dev = info->user_ptr[1];
struct cfg80211_pmksa pmksa;
memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
@@ -4401,19 +3924,12 @@ static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
if (!info->attrs[NL80211_ATTR_PMKID])
return -EINVAL;
- rtnl_lock();
-
- err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
- if (err)
- goto out_rtnl;
-
pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
- if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) {
- err = -EOPNOTSUPP;
- goto out;
- }
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
+ return -EOPNOTSUPP;
switch (info->genlhdr->cmd) {
case NL80211_CMD_SET_PMKSA:
@@ -4427,61 +3943,32 @@ static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
break;
}
- if (!rdev_ops) {
- err = -EOPNOTSUPP;
- goto out;
- }
-
- err = rdev_ops(&rdev->wiphy, dev, &pmksa);
-
- out:
- cfg80211_unlock_rdev(rdev);
- dev_put(dev);
- out_rtnl:
- rtnl_unlock();
+ if (!rdev_ops)
+ return -EOPNOTSUPP;
- return err;
+ return rdev_ops(&rdev->wiphy, dev, &pmksa);
}
static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *rdev;
- int err;
- struct net_device *dev;
-
- rtnl_lock();
-
- err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
- if (err)
- goto out_rtnl;
-
- if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) {
- err = -EOPNOTSUPP;
- goto out;
- }
-
- if (!rdev->ops->flush_pmksa) {
- err = -EOPNOTSUPP;
- goto out;
- }
-
- err = rdev->ops->flush_pmksa(&rdev->wiphy, dev);
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
- out:
- cfg80211_unlock_rdev(rdev);
- dev_put(dev);
- out_rtnl:
- rtnl_unlock();
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
+ return -EOPNOTSUPP;
- return err;
+ if (!rdev->ops->flush_pmksa)
+ return -EOPNOTSUPP;
+ return rdev->ops->flush_pmksa(&rdev->wiphy, dev);
}
static int nl80211_remain_on_channel(struct sk_buff *skb,
struct genl_info *info)
{
- struct cfg80211_registered_device *rdev;
- struct net_device *dev;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
struct ieee80211_channel *chan;
struct sk_buff *msg;
void *hdr;
@@ -4503,21 +3990,8 @@ static int nl80211_remain_on_channel(struct sk_buff *skb,
if (!duration || !msecs_to_jiffies(duration) || duration > 5000)
return -EINVAL;
- rtnl_lock();
-
- err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
- if (err)
- goto unlock_rtnl;
-
- if (!rdev->ops->remain_on_channel) {
- err = -EOPNOTSUPP;
- goto out;
- }
-
- if (!netif_running(dev)) {
- err = -ENETDOWN;
- goto out;
- }
+ if (!rdev->ops->remain_on_channel)
+ return -EOPNOTSUPP;
if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
channel_type = nla_get_u32(
@@ -4525,24 +3999,18 @@ static int nl80211_remain_on_channel(struct sk_buff *skb,
if (channel_type != NL80211_CHAN_NO_HT &&
channel_type != NL80211_CHAN_HT20 &&
channel_type != NL80211_CHAN_HT40PLUS &&
- channel_type != NL80211_CHAN_HT40MINUS) {
- err = -EINVAL;
- goto out;
- }
+ channel_type != NL80211_CHAN_HT40MINUS)
+ return -EINVAL;
}
freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]);
chan = rdev_freq_to_chan(rdev, freq, channel_type);
- if (chan == NULL) {
- err = -EINVAL;
- goto out;
- }
+ if (chan == NULL)
+ return -EINVAL;
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
- if (!msg) {
- err = -ENOMEM;
- goto out;
- }
+ if (!msg)
+ return -ENOMEM;
hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
NL80211_CMD_REMAIN_ON_CHANNEL);
@@ -4561,58 +4029,32 @@ static int nl80211_remain_on_channel(struct sk_buff *skb,
NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie);
genlmsg_end(msg, hdr);
- err = genlmsg_reply(msg, info);
- goto out;
+
+ return genlmsg_reply(msg, info);
nla_put_failure:
err = -ENOBUFS;
free_msg:
nlmsg_free(msg);
- out:
- cfg80211_unlock_rdev(rdev);
- dev_put(dev);
- unlock_rtnl:
- rtnl_unlock();
return err;
}
static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
struct genl_info *info)
{
- struct cfg80211_registered_device *rdev;
- struct net_device *dev;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
u64 cookie;
- int err;
if (!info->attrs[NL80211_ATTR_COOKIE])
return -EINVAL;
- rtnl_lock();
-
- err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
- if (err)
- goto unlock_rtnl;
-
- if (!rdev->ops->cancel_remain_on_channel) {
- err = -EOPNOTSUPP;
- goto out;
- }
-
- if (!netif_running(dev)) {
- err = -ENETDOWN;
- goto out;
- }
+ if (!rdev->ops->cancel_remain_on_channel)
+ return -EOPNOTSUPP;
cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
- err = rdev->ops->cancel_remain_on_channel(&rdev->wiphy, dev, cookie);
-
- out:
- cfg80211_unlock_rdev(rdev);
- dev_put(dev);
- unlock_rtnl:
- rtnl_unlock();
- return err;
+ return rdev->ops->cancel_remain_on_channel(&rdev->wiphy, dev, cookie);
}
static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
@@ -4648,26 +4090,18 @@ static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
struct genl_info *info)
{
struct nlattr *tb[NL80211_TXRATE_MAX + 1];
- struct cfg80211_registered_device *rdev;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct cfg80211_bitrate_mask mask;
- int err, rem, i;
- struct net_device *dev;
+ int rem, i;
+ struct net_device *dev = info->user_ptr[1];
struct nlattr *tx_rates;
struct ieee80211_supported_band *sband;
if (info->attrs[NL80211_ATTR_TX_RATES] == NULL)
return -EINVAL;
- rtnl_lock();
-
- err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
- if (err)
- goto unlock_rtnl;
-
- if (!rdev->ops->set_bitrate_mask) {
- err = -EOPNOTSUPP;
- goto unlock;
- }
+ if (!rdev->ops->set_bitrate_mask)
+ return -EOPNOTSUPP;
memset(&mask, 0, sizeof(mask));
/* Default to all rates enabled */
@@ -4684,15 +4118,11 @@ static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem)
{
enum ieee80211_band band = nla_type(tx_rates);
- if (band < 0 || band >= IEEE80211_NUM_BANDS) {
- err = -EINVAL;
- goto unlock;
- }
+ if (band < 0 || band >= IEEE80211_NUM_BANDS)
+ return -EINVAL;
sband = rdev->wiphy.bands[band];
- if (sband == NULL) {
- err = -EINVAL;
- goto unlock;
- }
+ if (sband == NULL)
+ return -EINVAL;
nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates),
nla_len(tx_rates), nl80211_txattr_policy);
if (tb[NL80211_TXRATE_LEGACY]) {
@@ -4700,68 +4130,48 @@ static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
sband,
nla_data(tb[NL80211_TXRATE_LEGACY]),
nla_len(tb[NL80211_TXRATE_LEGACY]));
- if (mask.control[band].legacy == 0) {
- err = -EINVAL;
- goto unlock;
- }
+ if (mask.control[band].legacy == 0)
+ return -EINVAL;
}
}
- err = rdev->ops->set_bitrate_mask(&rdev->wiphy, dev, NULL, &mask);
-
- unlock:
- dev_put(dev);
- cfg80211_unlock_rdev(rdev);
- unlock_rtnl:
- rtnl_unlock();
- return err;
+ return rdev->ops->set_bitrate_mask(&rdev->wiphy, dev, NULL, &mask);
}
-static int nl80211_register_action(struct sk_buff *skb, struct genl_info *info)
+static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *rdev;
- struct net_device *dev;
- int err;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
return -EINVAL;
- if (nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]) < 1)
- return -EINVAL;
-
- rtnl_lock();
-
- err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
- if (err)
- goto unlock_rtnl;
+ 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) {
- err = -EOPNOTSUPP;
- goto out;
- }
+ 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)
+ return -EOPNOTSUPP;
/* not much point in registering if we can't reply */
- if (!rdev->ops->action) {
- err = -EOPNOTSUPP;
- goto out;
- }
+ if (!rdev->ops->mgmt_tx)
+ return -EOPNOTSUPP;
- err = cfg80211_mlme_register_action(dev->ieee80211_ptr, info->snd_pid,
+ return cfg80211_mlme_register_mgmt(dev->ieee80211_ptr, info->snd_pid,
+ frame_type,
nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]));
- out:
- cfg80211_unlock_rdev(rdev);
- dev_put(dev);
- unlock_rtnl:
- rtnl_unlock();
- return err;
}
-static int nl80211_action(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;
- struct net_device *dev;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
struct ieee80211_channel *chan;
enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
bool channel_type_valid = false;
@@ -4775,27 +4185,16 @@ static int nl80211_action(struct sk_buff *skb, struct genl_info *info)
!info->attrs[NL80211_ATTR_WIPHY_FREQ])
return -EINVAL;
- rtnl_lock();
-
- err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
- if (err)
- goto unlock_rtnl;
-
- if (!rdev->ops->action) {
- err = -EOPNOTSUPP;
- goto out;
- }
+ if (!rdev->ops->mgmt_tx)
+ return -EOPNOTSUPP;
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
- dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) {
- err = -EOPNOTSUPP;
- goto out;
- }
-
- if (!netif_running(dev)) {
- err = -ENETDOWN;
- goto out;
- }
+ 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)
+ return -EOPNOTSUPP;
if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
channel_type = nla_get_u32(
@@ -4803,147 +4202,104 @@ static int nl80211_action(struct sk_buff *skb, struct genl_info *info)
if (channel_type != NL80211_CHAN_NO_HT &&
channel_type != NL80211_CHAN_HT20 &&
channel_type != NL80211_CHAN_HT40PLUS &&
- channel_type != NL80211_CHAN_HT40MINUS) {
- err = -EINVAL;
- goto out;
- }
+ channel_type != NL80211_CHAN_HT40MINUS)
+ return -EINVAL;
channel_type_valid = true;
}
freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]);
chan = rdev_freq_to_chan(rdev, freq, channel_type);
- if (chan == NULL) {
- err = -EINVAL;
- goto out;
- }
+ if (chan == NULL)
+ return -EINVAL;
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
- if (!msg) {
- err = -ENOMEM;
- goto out;
- }
+ if (!msg)
+ return -ENOMEM;
hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
- NL80211_CMD_ACTION);
+ NL80211_CMD_FRAME);
if (IS_ERR(hdr)) {
err = PTR_ERR(hdr);
goto free_msg;
}
- err = cfg80211_mlme_action(rdev, dev, chan, channel_type,
- channel_type_valid,
- nla_data(info->attrs[NL80211_ATTR_FRAME]),
- nla_len(info->attrs[NL80211_ATTR_FRAME]),
- &cookie);
+ err = cfg80211_mlme_mgmt_tx(rdev, dev, chan, channel_type,
+ channel_type_valid,
+ nla_data(info->attrs[NL80211_ATTR_FRAME]),
+ nla_len(info->attrs[NL80211_ATTR_FRAME]),
+ &cookie);
if (err)
goto free_msg;
NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie);
genlmsg_end(msg, hdr);
- err = genlmsg_reply(msg, info);
- goto out;
+ return genlmsg_reply(msg, info);
nla_put_failure:
err = -ENOBUFS;
free_msg:
nlmsg_free(msg);
- out:
- cfg80211_unlock_rdev(rdev);
- dev_put(dev);
-unlock_rtnl:
- rtnl_unlock();
return err;
}
static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *rdev;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct wireless_dev *wdev;
- struct net_device *dev;
+ struct net_device *dev = info->user_ptr[1];
u8 ps_state;
bool state;
int err;
- if (!info->attrs[NL80211_ATTR_PS_STATE]) {
- err = -EINVAL;
- goto out;
- }
+ if (!info->attrs[NL80211_ATTR_PS_STATE])
+ return -EINVAL;
ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
- if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED) {
- err = -EINVAL;
- goto out;
- }
-
- rtnl_lock();
-
- err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
- if (err)
- goto unlock_rdev;
+ if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED)
+ return -EINVAL;
wdev = dev->ieee80211_ptr;
- if (!rdev->ops->set_power_mgmt) {
- err = -EOPNOTSUPP;
- goto unlock_rdev;
- }
+ if (!rdev->ops->set_power_mgmt)
+ return -EOPNOTSUPP;
state = (ps_state == NL80211_PS_ENABLED) ? true : false;
if (state == wdev->ps)
- goto unlock_rdev;
-
- wdev->ps = state;
-
- if (rdev->ops->set_power_mgmt(wdev->wiphy, dev, wdev->ps,
- wdev->ps_timeout))
- /* assume this means it's off */
- wdev->ps = false;
-
-unlock_rdev:
- cfg80211_unlock_rdev(rdev);
- dev_put(dev);
- rtnl_unlock();
+ return 0;
-out:
+ err = rdev->ops->set_power_mgmt(wdev->wiphy, dev, state,
+ wdev->ps_timeout);
+ if (!err)
+ wdev->ps = state;
return err;
}
static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *rdev;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
enum nl80211_ps_state ps_state;
struct wireless_dev *wdev;
- struct net_device *dev;
+ struct net_device *dev = info->user_ptr[1];
struct sk_buff *msg;
void *hdr;
int err;
- rtnl_lock();
-
- err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
- if (err)
- goto unlock_rtnl;
-
wdev = dev->ieee80211_ptr;
- if (!rdev->ops->set_power_mgmt) {
- err = -EOPNOTSUPP;
- goto out;
- }
+ if (!rdev->ops->set_power_mgmt)
+ return -EOPNOTSUPP;
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
- if (!msg) {
- err = -ENOMEM;
- goto out;
- }
+ if (!msg)
+ return -ENOMEM;
hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
NL80211_CMD_GET_POWER_SAVE);
if (!hdr) {
- err = -ENOMEM;
+ err = -ENOBUFS;
goto free_msg;
}
@@ -4955,22 +4311,12 @@ static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
NLA_PUT_U32(msg, NL80211_ATTR_PS_STATE, ps_state);
genlmsg_end(msg, hdr);
- err = genlmsg_reply(msg, info);
- goto out;
+ return genlmsg_reply(msg, info);
-nla_put_failure:
+ nla_put_failure:
err = -ENOBUFS;
-
-free_msg:
+ free_msg:
nlmsg_free(msg);
-
-out:
- cfg80211_unlock_rdev(rdev);
- dev_put(dev);
-
-unlock_rtnl:
- rtnl_unlock();
-
return err;
}
@@ -4984,41 +4330,24 @@ nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] __read_mostly = {
static int nl80211_set_cqm_rssi(struct genl_info *info,
s32 threshold, u32 hysteresis)
{
- struct cfg80211_registered_device *rdev;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct wireless_dev *wdev;
- struct net_device *dev;
- int err;
+ struct net_device *dev = info->user_ptr[1];
if (threshold > 0)
return -EINVAL;
- rtnl_lock();
-
- err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
- if (err)
- goto unlock_rdev;
-
wdev = dev->ieee80211_ptr;
- if (!rdev->ops->set_cqm_rssi_config) {
- err = -EOPNOTSUPP;
- goto unlock_rdev;
- }
-
- if (wdev->iftype != NL80211_IFTYPE_STATION) {
- err = -EOPNOTSUPP;
- goto unlock_rdev;
- }
-
- err = rdev->ops->set_cqm_rssi_config(wdev->wiphy, dev,
- threshold, hysteresis);
+ if (!rdev->ops->set_cqm_rssi_config)
+ return -EOPNOTSUPP;
-unlock_rdev:
- cfg80211_unlock_rdev(rdev);
- dev_put(dev);
- rtnl_unlock();
+ if (wdev->iftype != NL80211_IFTYPE_STATION &&
+ wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
+ return -EOPNOTSUPP;
- return err;
+ return rdev->ops->set_cqm_rssi_config(wdev->wiphy, dev,
+ threshold, hysteresis);
}
static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
@@ -5052,6 +4381,65 @@ out:
return err;
}
+#define NL80211_FLAG_NEED_WIPHY 0x01
+#define NL80211_FLAG_NEED_NETDEV 0x02
+#define NL80211_FLAG_NEED_RTNL 0x04
+#define NL80211_FLAG_CHECK_NETDEV_UP 0x08
+#define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
+ 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 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);
+ 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_info_ifindex(info, &rdev, &dev);
+ if (err) {
+ if (rtnl)
+ rtnl_unlock();
+ return err;
+ }
+ 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;
+ }
+ info->user_ptr[0] = rdev;
+ info->user_ptr[1] = dev;
+ }
+
+ return 0;
+}
+
+static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb,
+ struct genl_info *info)
+{
+ if (info->user_ptr[0])
+ cfg80211_unlock_rdev(info->user_ptr[0]);
+ if (info->user_ptr[1])
+ dev_put(info->user_ptr[1]);
+ if (ops->internal_flags & NL80211_FLAG_NEED_RTNL)
+ rtnl_unlock();
+}
+
static struct genl_ops nl80211_ops[] = {
{
.cmd = NL80211_CMD_GET_WIPHY,
@@ -5059,12 +4447,14 @@ static struct genl_ops nl80211_ops[] = {
.dumpit = nl80211_dump_wiphy,
.policy = nl80211_policy,
/* can be retrieved by unprivileged users */
+ .internal_flags = NL80211_FLAG_NEED_WIPHY,
},
{
.cmd = NL80211_CMD_SET_WIPHY,
.doit = nl80211_set_wiphy,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_GET_INTERFACE,
@@ -5072,90 +4462,119 @@ 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,
},
{
.cmd = NL80211_CMD_SET_INTERFACE,
.doit = nl80211_set_interface,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_NEW_INTERFACE,
.doit = nl80211_new_interface,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_WIPHY |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_DEL_INTERFACE,
.doit = nl80211_del_interface,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_GET_KEY,
.doit = nl80211_get_key,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_SET_KEY,
.doit = nl80211_set_key,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_NEW_KEY,
.doit = nl80211_new_key,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_DEL_KEY,
.doit = nl80211_del_key,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_SET_BEACON,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
.doit = nl80211_addset_beacon,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_NEW_BEACON,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
.doit = nl80211_addset_beacon,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_DEL_BEACON,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
.doit = nl80211_del_beacon,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_GET_STATION,
.doit = nl80211_get_station,
.dumpit = nl80211_dump_station,
.policy = nl80211_policy,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_SET_STATION,
.doit = nl80211_set_station,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_NEW_STATION,
.doit = nl80211_new_station,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_DEL_STATION,
.doit = nl80211_del_station,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_GET_MPATH,
@@ -5163,30 +4582,40 @@ static struct genl_ops nl80211_ops[] = {
.dumpit = nl80211_dump_mpath,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_SET_MPATH,
.doit = nl80211_set_mpath,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_NEW_MPATH,
.doit = nl80211_new_mpath,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_DEL_MPATH,
.doit = nl80211_del_mpath,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_SET_BSS,
.doit = nl80211_set_bss,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_GET_REG,
@@ -5211,18 +4640,24 @@ static struct genl_ops nl80211_ops[] = {
.doit = nl80211_get_mesh_params,
.policy = nl80211_policy,
/* can be retrieved by unprivileged users */
+ .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_SET_MESH_PARAMS,
.doit = nl80211_set_mesh_params,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_TRIGGER_SCAN,
.doit = nl80211_trigger_scan,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_GET_SCAN,
@@ -5234,36 +4669,48 @@ static struct genl_ops nl80211_ops[] = {
.doit = nl80211_authenticate,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_ASSOCIATE,
.doit = nl80211_associate,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_DEAUTHENTICATE,
.doit = nl80211_deauthenticate,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_DISASSOCIATE,
.doit = nl80211_disassociate,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_JOIN_IBSS,
.doit = nl80211_join_ibss,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_LEAVE_IBSS,
.doit = nl80211_leave_ibss,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
},
#ifdef CONFIG_NL80211_TESTMODE
{
@@ -5271,6 +4718,8 @@ static struct genl_ops nl80211_ops[] = {
.doit = nl80211_testmode_do,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_WIPHY |
+ NL80211_FLAG_NEED_RTNL,
},
#endif
{
@@ -5278,18 +4727,24 @@ static struct genl_ops nl80211_ops[] = {
.doit = nl80211_connect,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_DISCONNECT,
.doit = nl80211_disconnect,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_SET_WIPHY_NETNS,
.doit = nl80211_wiphy_netns,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_WIPHY |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_GET_SURVEY,
@@ -5301,72 +4756,104 @@ static struct genl_ops nl80211_ops[] = {
.doit = nl80211_setdel_pmksa,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_DEL_PMKSA,
.doit = nl80211_setdel_pmksa,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_FLUSH_PMKSA,
.doit = nl80211_flush_pmksa,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
.doit = nl80211_remain_on_channel,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
.doit = nl80211_cancel_remain_on_channel,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
.doit = nl80211_set_tx_bitrate_mask,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ NL80211_FLAG_NEED_RTNL,
},
{
- .cmd = NL80211_CMD_REGISTER_ACTION,
- .doit = nl80211_register_action,
+ .cmd = NL80211_CMD_REGISTER_FRAME,
+ .doit = nl80211_register_mgmt,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ NL80211_FLAG_NEED_RTNL,
},
{
- .cmd = NL80211_CMD_ACTION,
- .doit = nl80211_action,
+ .cmd = NL80211_CMD_FRAME,
+ .doit = nl80211_tx_mgmt,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_SET_POWER_SAVE,
.doit = nl80211_set_power_save,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_GET_POWER_SAVE,
.doit = nl80211_get_power_save,
.policy = nl80211_policy,
/* can be retrieved by unprivileged users */
+ .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_SET_CQM,
.doit = nl80211_set_cqm,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_SET_CHANNEL,
.doit = nl80211_set_channel,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_SET_WDS_PEER,
+ .doit = nl80211_set_wds_peer,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ NL80211_FLAG_NEED_RTNL,
},
};
@@ -6040,9 +5527,9 @@ void nl80211_send_sta_event(struct cfg80211_registered_device *rdev,
nl80211_mlme_mcgrp.id, gfp);
}
-int nl80211_send_action(struct cfg80211_registered_device *rdev,
- struct net_device *netdev, u32 nlpid,
- int freq, const u8 *buf, size_t len, gfp_t gfp)
+int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, u32 nlpid,
+ int freq, const u8 *buf, size_t len, gfp_t gfp)
{
struct sk_buff *msg;
void *hdr;
@@ -6052,7 +5539,7 @@ int nl80211_send_action(struct cfg80211_registered_device *rdev,
if (!msg)
return -ENOMEM;
- hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ACTION);
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
if (!hdr) {
nlmsg_free(msg);
return -ENOMEM;
@@ -6080,10 +5567,10 @@ int nl80211_send_action(struct cfg80211_registered_device *rdev,
return -ENOBUFS;
}
-void nl80211_send_action_tx_status(struct cfg80211_registered_device *rdev,
- struct net_device *netdev, u64 cookie,
- const u8 *buf, size_t len, bool ack,
- gfp_t gfp)
+void nl80211_send_mgmt_tx_status(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, u64 cookie,
+ const u8 *buf, size_t len, bool ack,
+ gfp_t gfp)
{
struct sk_buff *msg;
void *hdr;
@@ -6092,7 +5579,7 @@ void nl80211_send_action_tx_status(struct cfg80211_registered_device *rdev,
if (!msg)
return;
- hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ACTION_TX_STATUS);
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS);
if (!hdr) {
nlmsg_free(msg);
return;
@@ -6179,7 +5666,7 @@ static int nl80211_netlink_notify(struct notifier_block * nb,
list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list)
list_for_each_entry_rcu(wdev, &rdev->netdev_list, list)
- cfg80211_mlme_unregister_actions(wdev, notify->pid);
+ cfg80211_mlme_unregister_socket(wdev, notify->pid);
rcu_read_unlock();
diff --git a/net/wireless/nl80211.h b/net/wireless/nl80211.h
index 2ad7fbc7d9f1..30d2f939150d 100644
--- a/net/wireless/nl80211.h
+++ b/net/wireless/nl80211.h
@@ -74,13 +74,13 @@ void nl80211_send_sta_event(struct cfg80211_registered_device *rdev,
struct net_device *dev, const u8 *mac_addr,
struct station_info *sinfo, gfp_t gfp);
-int nl80211_send_action(struct cfg80211_registered_device *rdev,
- struct net_device *netdev, u32 nlpid, int freq,
- const u8 *buf, size_t len, gfp_t gfp);
-void nl80211_send_action_tx_status(struct cfg80211_registered_device *rdev,
- struct net_device *netdev, u64 cookie,
- const u8 *buf, size_t len, bool ack,
- gfp_t gfp);
+int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, u32 nlpid, int freq,
+ 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,
+ const u8 *buf, size_t len, bool ack,
+ gfp_t gfp);
void
nl80211_send_cqm_rssi_notify(struct cfg80211_registered_device *rdev,
diff --git a/net/wireless/radiotap.c b/net/wireless/radiotap.c
index 1332c445d1c7..dbe35e138e94 100644
--- a/net/wireless/radiotap.c
+++ b/net/wireless/radiotap.c
@@ -14,6 +14,7 @@
* See COPYING for more details.
*/
+#include <linux/kernel.h>
#include <net/cfg80211.h>
#include <net/ieee80211_radiotap.h>
#include <asm/unaligned.h>
@@ -45,7 +46,7 @@ static const struct radiotap_align_size rtap_namespace_sizes[] = {
};
static const struct ieee80211_radiotap_namespace radiotap_ns = {
- .n_bits = sizeof(rtap_namespace_sizes) / sizeof(rtap_namespace_sizes[0]),
+ .n_bits = ARRAY_SIZE(rtap_namespace_sizes),
.align_size = rtap_namespace_sizes,
};
@@ -200,7 +201,7 @@ int ieee80211_radiotap_iterator_next(
{
while (1) {
int hit = 0;
- int pad, align, size, subns, vnslen;
+ int pad, align, size, subns;
uint32_t oui;
/* if no more EXT bits, that's it */
@@ -260,6 +261,27 @@ int ieee80211_radiotap_iterator_next(
if (pad)
iterator->_arg += align - pad;
+ if (iterator->_arg_index % 32 == IEEE80211_RADIOTAP_VENDOR_NAMESPACE) {
+ int vnslen;
+
+ if ((unsigned long)iterator->_arg + size -
+ (unsigned long)iterator->_rtheader >
+ (unsigned long)iterator->_max_length)
+ return -EINVAL;
+
+ oui = (*iterator->_arg << 16) |
+ (*(iterator->_arg + 1) << 8) |
+ *(iterator->_arg + 2);
+ subns = *(iterator->_arg + 3);
+
+ find_ns(iterator, oui, subns);
+
+ vnslen = get_unaligned_le16(iterator->_arg + 4);
+ iterator->_next_ns_data = iterator->_arg + size + vnslen;
+ if (!iterator->current_namespace)
+ size += vnslen;
+ }
+
/*
* this is what we will return to user, but we need to
* move on first so next call has something fresh to test
@@ -286,40 +308,25 @@ int ieee80211_radiotap_iterator_next(
/* these special ones are valid in each bitmap word */
switch (iterator->_arg_index % 32) {
case IEEE80211_RADIOTAP_VENDOR_NAMESPACE:
- iterator->_bitmap_shifter >>= 1;
- iterator->_arg_index++;
-
iterator->_reset_on_ext = 1;
- vnslen = get_unaligned_le16(iterator->this_arg + 4);
- iterator->_next_ns_data = iterator->_arg + vnslen;
- oui = (*iterator->this_arg << 16) |
- (*(iterator->this_arg + 1) << 8) |
- *(iterator->this_arg + 2);
- subns = *(iterator->this_arg + 3);
-
- find_ns(iterator, oui, subns);
-
iterator->is_radiotap_ns = 0;
- /* allow parsers to show this information */
+ /*
+ * If parser didn't register this vendor
+ * namespace with us, allow it to show it
+ * as 'raw. Do do that, set argument index
+ * to vendor namespace.
+ */
iterator->this_arg_index =
IEEE80211_RADIOTAP_VENDOR_NAMESPACE;
- iterator->this_arg_size += vnslen;
- if ((unsigned long)iterator->this_arg +
- iterator->this_arg_size -
- (unsigned long)iterator->_rtheader >
- (unsigned long)(unsigned long)iterator->_max_length)
- return -EINVAL;
- hit = 1;
- break;
+ if (!iterator->current_namespace)
+ hit = 1;
+ goto next_entry;
case IEEE80211_RADIOTAP_RADIOTAP_NAMESPACE:
- iterator->_bitmap_shifter >>= 1;
- iterator->_arg_index++;
-
iterator->_reset_on_ext = 1;
iterator->current_namespace = &radiotap_ns;
iterator->is_radiotap_ns = 1;
- break;
+ goto next_entry;
case IEEE80211_RADIOTAP_EXT:
/*
* bit 31 was set, there is more
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index f180db0de66c..d14bbf960c18 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -36,6 +36,7 @@
#include <linux/slab.h>
#include <linux/list.h>
#include <linux/random.h>
+#include <linux/ctype.h>
#include <linux/nl80211.h>
#include <linux/platform_device.h>
#include <net/cfg80211.h>
@@ -73,7 +74,11 @@ const struct ieee80211_regdomain *cfg80211_regdomain;
* - last_request
*/
static DEFINE_MUTEX(reg_mutex);
-#define assert_reg_lock() WARN_ON(!mutex_is_locked(&reg_mutex))
+
+static inline void assert_reg_lock(void)
+{
+ lockdep_assert_held(&reg_mutex);
+}
/* Used to queue up regulatory hints */
static LIST_HEAD(reg_requests_list);
@@ -181,14 +186,6 @@ static bool is_alpha2_set(const char *alpha2)
return false;
}
-static bool is_alpha_upper(char letter)
-{
- /* ASCII A - Z */
- if (letter >= 65 && letter <= 90)
- return true;
- return false;
-}
-
static bool is_unknown_alpha2(const char *alpha2)
{
if (!alpha2)
@@ -220,7 +217,7 @@ static bool is_an_alpha2(const char *alpha2)
{
if (!alpha2)
return false;
- if (is_alpha_upper(alpha2[0]) && is_alpha_upper(alpha2[1]))
+ if (isalpha(alpha2[0]) && isalpha(alpha2[1]))
return true;
return false;
}
@@ -1399,6 +1396,11 @@ static DECLARE_WORK(reg_work, reg_todo);
static void queue_regulatory_request(struct regulatory_request *request)
{
+ if (isalpha(request->alpha2[0]))
+ request->alpha2[0] = toupper(request->alpha2[0]);
+ if (isalpha(request->alpha2[1]))
+ request->alpha2[1] = toupper(request->alpha2[1]);
+
spin_lock(&reg_requests_lock);
list_add_tail(&request->list, &reg_requests_list);
spin_unlock(&reg_requests_lock);
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 5ca8c7180141..503ebb86ba18 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -650,14 +650,14 @@ void cfg80211_unlink_bss(struct wiphy *wiphy, struct cfg80211_bss *pub)
bss = container_of(pub, struct cfg80211_internal_bss, pub);
spin_lock_bh(&dev->bss_lock);
+ if (!list_empty(&bss->list)) {
+ list_del_init(&bss->list);
+ dev->bss_generation++;
+ rb_erase(&bss->rbn, &dev->bss_tree);
- list_del(&bss->list);
- dev->bss_generation++;
- rb_erase(&bss->rbn, &dev->bss_tree);
-
+ kref_put(&bss->ref, bss_release);
+ }
spin_unlock_bh(&dev->bss_lock);
-
- kref_put(&bss->ref, bss_release);
}
EXPORT_SYMBOL(cfg80211_unlink_bss);
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index a8c2d6b877ae..e17b0bee6bdc 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -411,7 +411,8 @@ void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
ASSERT_WDEV_LOCK(wdev);
- if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
+ if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION &&
+ wdev->iftype != NL80211_IFTYPE_P2P_CLIENT))
return;
if (wdev->sme_state != CFG80211_SME_CONNECTING)
@@ -548,7 +549,8 @@ void __cfg80211_roamed(struct wireless_dev *wdev, const u8 *bssid,
ASSERT_WDEV_LOCK(wdev);
- if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
+ if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION &&
+ wdev->iftype != NL80211_IFTYPE_P2P_CLIENT))
return;
if (wdev->sme_state != CFG80211_SME_CONNECTED)
@@ -644,7 +646,8 @@ void __cfg80211_disconnected(struct net_device *dev, const u8 *ie,
ASSERT_WDEV_LOCK(wdev);
- if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
+ if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION &&
+ wdev->iftype != NL80211_IFTYPE_P2P_CLIENT))
return;
if (wdev->sme_state != CFG80211_SME_CONNECTED)
@@ -695,7 +698,7 @@ void __cfg80211_disconnected(struct net_device *dev, const u8 *ie,
*/
if (rdev->ops->del_key)
for (i = 0; i < 6; i++)
- rdev->ops->del_key(wdev->wiphy, dev, i, NULL);
+ rdev->ops->del_key(wdev->wiphy, dev, i, false, NULL);
#ifdef CONFIG_CFG80211_WEXT
memset(&wrqu, 0, sizeof(wrqu));
diff --git a/net/wireless/sysfs.c b/net/wireless/sysfs.c
index 9f2cef3e0ca0..4294fa22bb2d 100644
--- a/net/wireless/sysfs.c
+++ b/net/wireless/sysfs.c
@@ -35,6 +35,14 @@ SHOW_FMT(index, "%d", wiphy_idx);
SHOW_FMT(macaddress, "%pM", wiphy.perm_addr);
SHOW_FMT(address_mask, "%pM", wiphy.addr_mask);
+static ssize_t name_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf) {
+ struct wiphy *wiphy = &dev_to_rdev(dev)->wiphy;
+ return sprintf(buf, "%s\n", dev_name(&wiphy->dev));
+}
+
+
static ssize_t addresses_show(struct device *dev,
struct device_attribute *attr,
char *buf)
@@ -57,6 +65,7 @@ static struct device_attribute ieee80211_dev_attrs[] = {
__ATTR_RO(macaddress),
__ATTR_RO(address_mask),
__ATTR_RO(addresses),
+ __ATTR_RO(name),
{}
};
@@ -110,6 +119,13 @@ static int wiphy_resume(struct device *dev)
return ret;
}
+static const void *wiphy_namespace(struct device *d)
+{
+ struct wiphy *wiphy = container_of(d, struct wiphy, dev);
+
+ return wiphy_net(wiphy);
+}
+
struct class ieee80211_class = {
.name = "ieee80211",
.owner = THIS_MODULE,
@@ -120,6 +136,8 @@ struct class ieee80211_class = {
#endif
.suspend = wiphy_suspend,
.resume = wiphy_resume,
+ .ns_type = &net_ns_type_operations,
+ .namespace = wiphy_namespace,
};
int wiphy_sysfs_init(void)
diff --git a/net/wireless/util.c b/net/wireless/util.c
index 0c8a1e8b7690..76120aeda57d 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -144,19 +144,25 @@ void ieee80211_set_bitrate_flags(struct wiphy *wiphy)
int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev,
struct key_params *params, int key_idx,
- const u8 *mac_addr)
+ bool pairwise, const u8 *mac_addr)
{
int i;
if (key_idx > 5)
return -EINVAL;
+ if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
+ return -EINVAL;
+
+ if (pairwise && !mac_addr)
+ return -EINVAL;
+
/*
* Disallow pairwise keys with non-zero index unless it's WEP
* (because current deployments use pairwise WEP keys with
* non-zero indizes but 802.11i clearly specifies to use zero)
*/
- if (mac_addr && key_idx &&
+ if (pairwise && key_idx &&
params->cipher != WLAN_CIPHER_SUITE_WEP40 &&
params->cipher != WLAN_CIPHER_SUITE_WEP104)
return -EINVAL;
@@ -183,7 +189,14 @@ int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev,
return -EINVAL;
break;
default:
- return -EINVAL;
+ /*
+ * We don't know anything about this algorithm,
+ * allow using it -- but the driver must check
+ * all parameters! We still check below whether
+ * or not the driver supports this algorithm,
+ * of course.
+ */
+ break;
}
if (params->seq) {
@@ -221,7 +234,7 @@ const unsigned char bridge_tunnel_header[] __aligned(2) =
{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 };
EXPORT_SYMBOL(bridge_tunnel_header);
-unsigned int ieee80211_hdrlen(__le16 fc)
+unsigned int __attribute_const__ ieee80211_hdrlen(__le16 fc)
{
unsigned int hdrlen = 24;
@@ -319,7 +332,8 @@ int ieee80211_data_to_8023(struct sk_buff *skb, const u8 *addr,
cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) {
case cpu_to_le16(IEEE80211_FCTL_TODS):
if (unlikely(iftype != NL80211_IFTYPE_AP &&
- iftype != NL80211_IFTYPE_AP_VLAN))
+ iftype != NL80211_IFTYPE_AP_VLAN &&
+ iftype != NL80211_IFTYPE_P2P_GO))
return -1;
break;
case cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS):
@@ -347,7 +361,8 @@ int ieee80211_data_to_8023(struct sk_buff *skb, const u8 *addr,
break;
case cpu_to_le16(IEEE80211_FCTL_FROMDS):
if ((iftype != NL80211_IFTYPE_STATION &&
- iftype != NL80211_IFTYPE_MESH_POINT) ||
+ iftype != NL80211_IFTYPE_P2P_CLIENT &&
+ iftype != NL80211_IFTYPE_MESH_POINT) ||
(is_multicast_ether_addr(dst) &&
!compare_ether_addr(src, addr)))
return -1;
@@ -424,6 +439,7 @@ int ieee80211_data_from_8023(struct sk_buff *skb, const u8 *addr,
switch (iftype) {
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_AP_VLAN:
+ case NL80211_IFTYPE_P2P_GO:
fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS);
/* DA BSSID SA */
memcpy(hdr.addr1, skb->data, ETH_ALEN);
@@ -432,6 +448,7 @@ int ieee80211_data_from_8023(struct sk_buff *skb, const u8 *addr,
hdrlen = 24;
break;
case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_P2P_CLIENT:
fc |= cpu_to_le16(IEEE80211_FCTL_TODS);
/* BSSID SA DA */
memcpy(hdr.addr1, bssid, ETH_ALEN);
@@ -666,7 +683,7 @@ void cfg80211_upload_connect_keys(struct wireless_dev *wdev)
for (i = 0; i < 6; i++) {
if (!wdev->connect_keys->params[i].cipher)
continue;
- if (rdev->ops->add_key(wdev->wiphy, dev, i, NULL,
+ if (rdev->ops->add_key(wdev->wiphy, dev, i, false, NULL,
&wdev->connect_keys->params[i])) {
printk(KERN_ERR "%s: failed to set key %d\n",
dev->name, i);
@@ -771,7 +788,9 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
/* if it's part of a bridge, reject changing type to station/ibss */
if ((dev->priv_flags & IFF_BRIDGE_PORT) &&
- (ntype == NL80211_IFTYPE_ADHOC || ntype == NL80211_IFTYPE_STATION))
+ (ntype == NL80211_IFTYPE_ADHOC ||
+ ntype == NL80211_IFTYPE_STATION ||
+ ntype == NL80211_IFTYPE_P2P_CLIENT))
return -EBUSY;
if (ntype != otype) {
@@ -782,6 +801,7 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
cfg80211_leave_ibss(rdev, dev, false);
break;
case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_P2P_CLIENT:
cfg80211_disconnect(rdev, dev,
WLAN_REASON_DEAUTH_LEAVING, true);
break;
@@ -810,9 +830,11 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
if (dev->ieee80211_ptr->use_4addr)
break;
/* fall through */
+ case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_ADHOC:
dev->priv_flags |= IFF_DONT_BRIDGE;
break;
+ case NL80211_IFTYPE_P2P_GO:
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_AP_VLAN:
case NL80211_IFTYPE_WDS:
@@ -823,7 +845,7 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
/* monitor can't bridge anyway */
break;
case NL80211_IFTYPE_UNSPECIFIED:
- case __NL80211_IFTYPE_AFTER_LAST:
+ case NUM_NL80211_IFTYPES:
/* not happening */
break;
}
diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c
index 7e5c3a45f811..12222ee6ebf2 100644
--- a/net/wireless/wext-compat.c
+++ b/net/wireless/wext-compat.c
@@ -432,14 +432,17 @@ int cfg80211_wext_giwretry(struct net_device *dev,
EXPORT_SYMBOL_GPL(cfg80211_wext_giwretry);
static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
- struct net_device *dev, const u8 *addr,
- bool remove, bool tx_key, int idx,
- struct key_params *params)
+ struct net_device *dev, bool pairwise,
+ const u8 *addr, bool remove, bool tx_key,
+ int idx, struct key_params *params)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
int err, i;
bool rejoin = false;
+ if (pairwise && !addr)
+ return -EINVAL;
+
if (!wdev->wext.keys) {
wdev->wext.keys = kzalloc(sizeof(*wdev->wext.keys),
GFP_KERNEL);
@@ -478,7 +481,13 @@ static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
__cfg80211_leave_ibss(rdev, wdev->netdev, true);
rejoin = true;
}
- err = rdev->ops->del_key(&rdev->wiphy, dev, idx, addr);
+
+ if (!pairwise && addr &&
+ !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
+ err = -ENOENT;
+ else
+ err = rdev->ops->del_key(&rdev->wiphy, dev, idx,
+ pairwise, addr);
}
wdev->wext.connect.privacy = false;
/*
@@ -507,12 +516,13 @@ static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
if (addr)
tx_key = false;
- if (cfg80211_validate_key_settings(rdev, params, idx, addr))
+ if (cfg80211_validate_key_settings(rdev, params, idx, pairwise, addr))
return -EINVAL;
err = 0;
if (wdev->current_bss)
- err = rdev->ops->add_key(&rdev->wiphy, dev, idx, addr, params);
+ err = rdev->ops->add_key(&rdev->wiphy, dev, idx,
+ pairwise, addr, params);
if (err)
return err;
@@ -563,17 +573,17 @@ static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
}
static int cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
- struct net_device *dev, const u8 *addr,
- bool remove, bool tx_key, int idx,
- struct key_params *params)
+ struct net_device *dev, bool pairwise,
+ const u8 *addr, bool remove, bool tx_key,
+ int idx, struct key_params *params)
{
int err;
/* devlist mutex needed for possible IBSS re-join */
mutex_lock(&rdev->devlist_mtx);
wdev_lock(dev->ieee80211_ptr);
- err = __cfg80211_set_encryption(rdev, dev, addr, remove,
- tx_key, idx, params);
+ err = __cfg80211_set_encryption(rdev, dev, pairwise, addr,
+ remove, tx_key, idx, params);
wdev_unlock(dev->ieee80211_ptr);
mutex_unlock(&rdev->devlist_mtx);
@@ -635,7 +645,7 @@ int cfg80211_wext_siwencode(struct net_device *dev,
else if (!remove)
return -EINVAL;
- return cfg80211_set_encryption(rdev, dev, NULL, remove,
+ return cfg80211_set_encryption(rdev, dev, false, NULL, remove,
wdev->wext.default_key == -1,
idx, &params);
}
@@ -725,7 +735,9 @@ int cfg80211_wext_siwencodeext(struct net_device *dev,
}
return cfg80211_set_encryption(
- rdev, dev, addr, remove,
+ rdev, dev,
+ !(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY),
+ addr, remove,
ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY,
idx, &params);
}
@@ -1354,6 +1366,10 @@ struct iw_statistics *cfg80211_wireless_stats(struct net_device *dev)
}
wstats.qual.updated |= IW_QUAL_NOISE_INVALID;
+ if (sinfo.filled & STATION_INFO_RX_DROP_MISC)
+ wstats.discard.misc = sinfo.rx_dropped_misc;
+ if (sinfo.filled & STATION_INFO_TX_FAILED)
+ wstats.discard.retries = sinfo.tx_failed;
return &wstats;
}
diff --git a/net/wireless/wext-core.c b/net/wireless/wext-core.c
index 8f5116f5af19..dc675a3daa3d 100644
--- a/net/wireless/wext-core.c
+++ b/net/wireless/wext-core.c
@@ -611,7 +611,7 @@ struct iw_statistics *get_wireless_stats(struct net_device *dev)
#endif
#ifdef CONFIG_CFG80211_WEXT
- if (dev->ieee80211_ptr && dev->ieee80211_ptr &&
+ if (dev->ieee80211_ptr &&
dev->ieee80211_ptr->wiphy &&
dev->ieee80211_ptr->wiphy->wext &&
dev->ieee80211_ptr->wiphy->wext->get_wireless_stats)
diff --git a/net/wireless/wext-sme.c b/net/wireless/wext-sme.c
index 9818198add8a..6fffe62d7c25 100644
--- a/net/wireless/wext-sme.c
+++ b/net/wireless/wext-sme.c
@@ -197,6 +197,8 @@ int cfg80211_mgd_wext_siwessid(struct net_device *dev,
wdev->wext.connect.ssid_len = len;
wdev->wext.connect.crypto.control_port = false;
+ wdev->wext.connect.crypto.control_port_ethertype =
+ cpu_to_be16(ETH_P_PAE);
err = cfg80211_mgd_wext_connect(rdev, wdev);
out:
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-23 04:10:20 +0000