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-rw-r--r--net/wireless/core.h360
1 files changed, 178 insertions, 182 deletions
diff --git a/net/wireless/core.h b/net/wireless/core.h
index 43ad9c81efc..7e3a3cef7df 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -5,26 +5,23 @@
*/
#ifndef __NET_WIRELESS_CORE_H
#define __NET_WIRELESS_CORE_H
-#include <linux/mutex.h>
#include <linux/list.h>
#include <linux/netdevice.h>
-#include <linux/kref.h>
#include <linux/rbtree.h>
#include <linux/debugfs.h>
#include <linux/rfkill.h>
#include <linux/workqueue.h>
+#include <linux/rtnetlink.h>
#include <net/genetlink.h>
#include <net/cfg80211.h>
#include "reg.h"
+
+#define WIPHY_IDX_INVALID -1
+
struct cfg80211_registered_device {
const struct cfg80211_ops *ops;
struct list_head list;
- /* we hold this mutex during any call so that
- * we cannot do multiple calls at once, and also
- * to avoid the deregister call to proceed while
- * any call is in progress */
- struct mutex mtx;
/* rfkill support */
struct rfkill_ops rfkill_ops;
@@ -46,15 +43,18 @@ struct cfg80211_registered_device {
/* wiphy index, internal only */
int wiphy_idx;
- /* associate netdev list */
- struct mutex devlist_mtx;
- /* protected by devlist_mtx or RCU */
- struct list_head netdev_list;
- int devlist_generation;
+ /* associated wireless interfaces, protected by rtnl or RCU */
+ struct list_head wdev_list;
+ int devlist_generation, wdev_id;
int opencount; /* also protected by devlist_mtx */
wait_queue_head_t dev_wait;
- u32 ap_beacons_nlpid;
+ struct list_head beacon_registrations;
+ spinlock_t beacon_registrations_lock;
+
+ /* protected by RTNL only */
+ int num_running_ifaces;
+ int num_running_monitor_ifaces;
/* BSSes/scanning */
spinlock_t bss_lock;
@@ -62,78 +62,70 @@ struct cfg80211_registered_device {
struct rb_root bss_tree;
u32 bss_generation;
struct cfg80211_scan_request *scan_req; /* protected by RTNL */
+ struct sk_buff *scan_msg;
struct cfg80211_sched_scan_request *sched_scan_req;
unsigned long suspend_at;
struct work_struct scan_done_wk;
struct work_struct sched_scan_results_wk;
- struct mutex sched_scan_mtx;
-
-#ifdef CONFIG_NL80211_TESTMODE
- struct genl_info *testmode_info;
-#endif
+ struct genl_info *cur_cmd_info;
struct work_struct conn_work;
struct work_struct event_work;
- struct cfg80211_wowlan *wowlan;
+ struct delayed_work dfs_update_channels_wk;
+
+ /* netlink port which started critical protocol (0 means not started) */
+ u32 crit_proto_nlportid;
+
+ struct cfg80211_coalesce *coalesce;
+
+ spinlock_t destroy_list_lock;
+ struct list_head destroy_list;
+ struct work_struct destroy_work;
/* must be last because of the way we do wiphy_priv(),
* and it should at least be aligned to NETDEV_ALIGN */
- struct wiphy wiphy __attribute__((__aligned__(NETDEV_ALIGN)));
+ struct wiphy wiphy __aligned(NETDEV_ALIGN);
};
static inline
-struct cfg80211_registered_device *wiphy_to_dev(struct wiphy *wiphy)
+struct cfg80211_registered_device *wiphy_to_rdev(struct wiphy *wiphy)
{
BUG_ON(!wiphy);
return container_of(wiphy, struct cfg80211_registered_device, wiphy);
}
-/* Note 0 is valid, hence phy0 */
-static inline
-bool wiphy_idx_valid(int wiphy_idx)
-{
- return wiphy_idx >= 0;
-}
-
static inline void
cfg80211_rdev_free_wowlan(struct cfg80211_registered_device *rdev)
{
+#ifdef CONFIG_PM
int i;
- if (!rdev->wowlan)
+ if (!rdev->wiphy.wowlan_config)
return;
- for (i = 0; i < rdev->wowlan->n_patterns; i++)
- kfree(rdev->wowlan->patterns[i].mask);
- kfree(rdev->wowlan->patterns);
- kfree(rdev->wowlan);
+ for (i = 0; i < rdev->wiphy.wowlan_config->n_patterns; i++)
+ kfree(rdev->wiphy.wowlan_config->patterns[i].mask);
+ kfree(rdev->wiphy.wowlan_config->patterns);
+ if (rdev->wiphy.wowlan_config->tcp &&
+ rdev->wiphy.wowlan_config->tcp->sock)
+ sock_release(rdev->wiphy.wowlan_config->tcp->sock);
+ kfree(rdev->wiphy.wowlan_config->tcp);
+ kfree(rdev->wiphy.wowlan_config);
+#endif
}
extern struct workqueue_struct *cfg80211_wq;
-extern struct mutex cfg80211_mutex;
extern struct list_head cfg80211_rdev_list;
extern int cfg80211_rdev_list_generation;
-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.
- * It guarantees cfg80211_rdev_by_wiphy_idx(wiphy_idx) will return NULL
- */
-#define WIPHY_IDX_STALE -1
-
struct cfg80211_internal_bss {
struct list_head list;
+ struct list_head hidden_list;
struct rb_node rbn;
unsigned long ts;
- struct kref ref;
+ unsigned long refcount;
atomic_t hold;
- bool beacon_ies_allocated;
- bool proberesp_ies_allocated;
/* must be last because of priv member */
struct cfg80211_bss pub;
@@ -144,11 +136,6 @@ static inline struct cfg80211_internal_bss *bss_from_pub(struct cfg80211_bss *pu
return container_of(pub, struct cfg80211_internal_bss, pub);
}
-static inline void cfg80211_ref_bss(struct cfg80211_internal_bss *bss)
-{
- kref_get(&bss->ref);
-}
-
static inline void cfg80211_hold_bss(struct cfg80211_internal_bss *bss)
{
atomic_inc(&bss->hold);
@@ -164,53 +151,11 @@ static inline void cfg80211_unhold_bss(struct cfg80211_internal_bss *bss)
struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx);
int get_wiphy_idx(struct wiphy *wiphy);
-struct cfg80211_registered_device *
-__cfg80211_rdev_from_info(struct genl_info *info);
-
-/*
- * This function returns a pointer to the driver
- * that the genl_info item that is passed refers to.
- * If successful, it returns non-NULL and also locks
- * the driver's mutex!
- *
- * This means that you need to call cfg80211_unlock_rdev()
- * before being allowed to acquire &cfg80211_mutex!
- *
- * This is necessary because we need to lock the global
- * mutex to get an item off the list safely, and then
- * we lock the rdev mutex so it doesn't go away under us.
- *
- * We don't want to keep cfg80211_mutex locked
- * for all the time in order to allow requests on
- * other interfaces to go through at the same time.
- *
- * The result of this can be a PTR_ERR and hence must
- * be checked with IS_ERR() for errors.
- */
-extern struct cfg80211_registered_device *
-cfg80211_get_dev_from_info(struct genl_info *info);
-
-/* requires cfg80211_rdev_mutex to be held! */
struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx);
-/* identical to cfg80211_get_dev_from_info but only operate on ifindex */
-extern struct cfg80211_registered_device *
-cfg80211_get_dev_from_ifindex(struct net *net, int ifindex);
-
int cfg80211_switch_netns(struct cfg80211_registered_device *rdev,
struct net *net);
-static inline void cfg80211_lock_rdev(struct cfg80211_registered_device *rdev)
-{
- mutex_lock(&rdev->mtx);
-}
-
-static inline void cfg80211_unlock_rdev(struct cfg80211_registered_device *rdev)
-{
- BUG_ON(IS_ERR(rdev) || !rdev);
- mutex_unlock(&rdev->mtx);
-}
-
static inline void wdev_lock(struct wireless_dev *wdev)
__acquires(wdev)
{
@@ -225,14 +170,22 @@ static inline void wdev_unlock(struct wireless_dev *wdev)
mutex_unlock(&wdev->mtx);
}
-#define ASSERT_RDEV_LOCK(rdev) lockdep_assert_held(&(rdev)->mtx)
#define ASSERT_WDEV_LOCK(wdev) lockdep_assert_held(&(wdev)->mtx)
+static inline bool cfg80211_has_monitors_only(struct cfg80211_registered_device *rdev)
+{
+ ASSERT_RTNL();
+
+ return rdev->num_running_ifaces == rdev->num_running_monitor_ifaces &&
+ rdev->num_running_ifaces > 0;
+}
+
enum cfg80211_event_type {
EVENT_CONNECT_RESULT,
EVENT_ROAMED,
EVENT_DISCONNECTED,
EVENT_IBSS_JOINED,
+ EVENT_STOPPED,
};
struct cfg80211_event {
@@ -262,6 +215,7 @@ struct cfg80211_event {
} dc;
struct {
u8 bssid[ETH_ALEN];
+ struct ieee80211_channel *channel;
} ij;
};
};
@@ -272,24 +226,37 @@ struct cfg80211_cached_keys {
int def, defmgmt;
};
+enum cfg80211_chan_mode {
+ CHAN_MODE_UNDEFINED,
+ CHAN_MODE_SHARED,
+ CHAN_MODE_EXCLUSIVE,
+};
+
+struct cfg80211_beacon_registration {
+ struct list_head list;
+ u32 nlportid;
+};
+
+struct cfg80211_iface_destroy {
+ struct list_head list;
+ u32 nlportid;
+};
+
+void cfg80211_destroy_ifaces(struct cfg80211_registered_device *rdev);
/* free object */
-extern void cfg80211_dev_free(struct cfg80211_registered_device *rdev);
+void cfg80211_dev_free(struct cfg80211_registered_device *rdev);
-extern int cfg80211_dev_rename(struct cfg80211_registered_device *rdev,
- char *newname);
+int cfg80211_dev_rename(struct cfg80211_registered_device *rdev,
+ char *newname);
void ieee80211_set_bitrate_flags(struct wiphy *wiphy);
-void cfg80211_bss_expire(struct cfg80211_registered_device *dev);
-void cfg80211_bss_age(struct cfg80211_registered_device *dev,
+void cfg80211_bss_expire(struct cfg80211_registered_device *rdev);
+void cfg80211_bss_age(struct cfg80211_registered_device *rdev,
unsigned long age_secs);
/* IBSS */
-int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
- struct net_device *dev,
- struct cfg80211_ibss_params *params,
- struct cfg80211_cached_keys *connkeys);
int cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
struct net_device *dev,
struct cfg80211_ibss_params *params,
@@ -299,7 +266,8 @@ int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
struct net_device *dev, bool nowext);
int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
struct net_device *dev, bool nowext);
-void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid);
+void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid,
+ struct ieee80211_channel *channel);
int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev);
@@ -308,53 +276,42 @@ extern const struct mesh_config default_mesh_config;
extern const struct mesh_setup default_mesh_setup;
int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
struct net_device *dev,
- const struct mesh_setup *setup,
+ struct mesh_setup *setup,
const struct mesh_config *conf);
int cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
struct net_device *dev,
- const struct mesh_setup *setup,
+ struct mesh_setup *setup,
const struct mesh_config *conf);
+int __cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
+ struct net_device *dev);
int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
struct net_device *dev);
+int cfg80211_set_mesh_channel(struct cfg80211_registered_device *rdev,
+ struct wireless_dev *wdev,
+ struct cfg80211_chan_def *chandef);
+
+/* AP */
+int __cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
+ struct net_device *dev, bool notify);
+int cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
+ struct net_device *dev, bool notify);
/* MLME */
-int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
- struct net_device *dev,
- struct ieee80211_channel *chan,
- enum nl80211_auth_type auth_type,
- const u8 *bssid,
- const u8 *ssid, int ssid_len,
- const u8 *ie, int ie_len,
- const u8 *key, int key_len, int key_idx,
- bool local_state_change);
int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
- struct net_device *dev, struct ieee80211_channel *chan,
- enum nl80211_auth_type auth_type, const u8 *bssid,
+ struct net_device *dev,
+ struct ieee80211_channel *chan,
+ enum nl80211_auth_type auth_type,
+ const u8 *bssid,
const u8 *ssid, int ssid_len,
const u8 *ie, int ie_len,
const u8 *key, int key_len, int key_idx,
- bool local_state_change);
-int __cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
- struct net_device *dev,
- struct ieee80211_channel *chan,
- const u8 *bssid, const u8 *prev_bssid,
- const u8 *ssid, int ssid_len,
- const u8 *ie, int ie_len, bool use_mfp,
- struct cfg80211_crypto_settings *crypt,
- u32 assoc_flags, struct ieee80211_ht_cap *ht_capa,
- struct ieee80211_ht_cap *ht_capa_mask);
+ const u8 *sae_data, int sae_data_len);
int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
- struct net_device *dev, struct ieee80211_channel *chan,
- const u8 *bssid, const u8 *prev_bssid,
+ struct net_device *dev,
+ struct ieee80211_channel *chan,
+ const u8 *bssid,
const u8 *ssid, int ssid_len,
- const u8 *ie, int ie_len, bool use_mfp,
- struct cfg80211_crypto_settings *crypt,
- u32 assoc_flags, struct ieee80211_ht_cap *ht_capa,
- struct ieee80211_ht_cap *ht_capa_mask);
-int __cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
- struct net_device *dev, const u8 *bssid,
- const u8 *ie, int ie_len, u16 reason,
- bool local_state_change);
+ struct cfg80211_assoc_request *req);
int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
struct net_device *dev, const u8 *bssid,
const u8 *ie, int ie_len, u16 reason,
@@ -365,39 +322,33 @@ int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
bool local_state_change);
void cfg80211_mlme_down(struct cfg80211_registered_device *rdev,
struct net_device *dev);
-void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
- const u8 *req_ie, size_t req_ie_len,
- const u8 *resp_ie, size_t resp_ie_len,
- u16 status, bool wextev,
- struct cfg80211_bss *bss);
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, bool offchan,
- enum nl80211_channel_type channel_type,
- bool channel_type_valid, unsigned int wait,
- const u8 *buf, size_t len, bool no_cck,
- bool dont_wait_for_ack, u64 *cookie);
+ struct wireless_dev *wdev,
+ struct cfg80211_mgmt_tx_params *params,
+ u64 *cookie);
void cfg80211_oper_and_ht_capa(struct ieee80211_ht_cap *ht_capa,
const struct ieee80211_ht_cap *ht_capa_mask);
+void cfg80211_oper_and_vht_capa(struct ieee80211_vht_cap *vht_capa,
+ const struct ieee80211_vht_cap *vht_capa_mask);
-/* SME */
-int __cfg80211_connect(struct cfg80211_registered_device *rdev,
- struct net_device *dev,
- struct cfg80211_connect_params *connect,
- struct cfg80211_cached_keys *connkeys,
- const u8 *prev_bssid);
+/* SME events */
int cfg80211_connect(struct cfg80211_registered_device *rdev,
struct net_device *dev,
struct cfg80211_connect_params *connect,
- struct cfg80211_cached_keys *connkeys);
-int __cfg80211_disconnect(struct cfg80211_registered_device *rdev,
- struct net_device *dev, u16 reason,
- bool wextev);
+ struct cfg80211_cached_keys *connkeys,
+ const u8 *prev_bssid);
+void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
+ const u8 *req_ie, size_t req_ie_len,
+ const u8 *resp_ie, size_t resp_ie_len,
+ u16 status, bool wextev,
+ struct cfg80211_bss *bss);
+void __cfg80211_disconnected(struct net_device *dev, const u8 *ie,
+ size_t ie_len, u16 reason, bool from_ap);
int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
struct net_device *dev, u16 reason,
bool wextev);
@@ -408,22 +359,24 @@ void __cfg80211_roamed(struct wireless_dev *wdev,
int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev);
+/* SME implementation */
void cfg80211_conn_work(struct work_struct *work);
-void cfg80211_sme_failed_assoc(struct wireless_dev *wdev);
-bool cfg80211_sme_failed_reassoc(struct wireless_dev *wdev);
+void cfg80211_sme_scan_done(struct net_device *dev);
+bool cfg80211_sme_rx_assoc_resp(struct wireless_dev *wdev, u16 status);
+void cfg80211_sme_rx_auth(struct wireless_dev *wdev, const u8 *buf, size_t len);
+void cfg80211_sme_disassoc(struct wireless_dev *wdev);
+void cfg80211_sme_deauth(struct wireless_dev *wdev);
+void cfg80211_sme_auth_timeout(struct wireless_dev *wdev);
+void cfg80211_sme_assoc_timeout(struct wireless_dev *wdev);
/* internal helpers */
bool cfg80211_supported_cipher_suite(struct wiphy *wiphy, u32 cipher);
int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev,
struct key_params *params, int key_idx,
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);
-void cfg80211_sme_rx_auth(struct net_device *dev, const u8 *buf, size_t len);
-void cfg80211_sme_disassoc(struct net_device *dev, int idx);
void __cfg80211_scan_done(struct work_struct *wk);
-void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, bool leak);
+void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev,
+ bool send_message);
void __cfg80211_sched_scan_results(struct work_struct *wk);
int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev,
bool driver_initiated);
@@ -432,26 +385,56 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
struct net_device *dev, enum nl80211_iftype ntype,
u32 *flags, struct vif_params *params);
void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev);
+void cfg80211_process_wdev_events(struct wireless_dev *wdev);
+
+int cfg80211_can_use_iftype_chan(struct cfg80211_registered_device *rdev,
+ struct wireless_dev *wdev,
+ enum nl80211_iftype iftype,
+ struct ieee80211_channel *chan,
+ enum cfg80211_chan_mode chanmode,
+ u8 radar_detect);
+
+/**
+ * cfg80211_chandef_dfs_usable - checks if chandef is DFS usable
+ * @wiphy: the wiphy to validate against
+ * @chandef: the channel definition to check
+ *
+ * Checks if chandef is usable and we can/need start CAC on such channel.
+ *
+ * Return: Return true if all channels available and at least
+ * one channel require CAC (NL80211_DFS_USABLE)
+ */
+bool cfg80211_chandef_dfs_usable(struct wiphy *wiphy,
+ const struct cfg80211_chan_def *chandef);
+
+void cfg80211_set_dfs_state(struct wiphy *wiphy,
+ const struct cfg80211_chan_def *chandef,
+ enum nl80211_dfs_state dfs_state);
+
+void cfg80211_dfs_channels_update_work(struct work_struct *work);
-int cfg80211_can_change_interface(struct cfg80211_registered_device *rdev,
- struct wireless_dev *wdev,
- enum nl80211_iftype iftype);
+unsigned int
+cfg80211_chandef_dfs_cac_time(struct wiphy *wiphy,
+ const struct cfg80211_chan_def *chandef);
-static inline int
-cfg80211_can_add_interface(struct cfg80211_registered_device *rdev,
- enum nl80211_iftype iftype)
+static inline unsigned int elapsed_jiffies_msecs(unsigned long start)
{
- return cfg80211_can_change_interface(rdev, NULL, iftype);
+ unsigned long end = jiffies;
+
+ if (end >= start)
+ return jiffies_to_msecs(end - start);
+
+ return jiffies_to_msecs(end + (ULONG_MAX - start) + 1);
}
-struct ieee80211_channel *
-rdev_freq_to_chan(struct cfg80211_registered_device *rdev,
- int freq, enum nl80211_channel_type channel_type);
-int cfg80211_set_freq(struct cfg80211_registered_device *rdev,
- struct wireless_dev *wdev, int freq,
- enum nl80211_channel_type channel_type);
+void
+cfg80211_get_chan_state(struct wireless_dev *wdev,
+ struct ieee80211_channel **chan,
+ enum cfg80211_chan_mode *chanmode,
+ u8 *radar_detect);
-u16 cfg80211_calculate_bitrate(struct rate_info *rate);
+int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev,
+ struct cfg80211_chan_def *chandef);
int ieee80211_get_ratemask(struct ieee80211_supported_band *sband,
const u8 *rates, unsigned int n_rates,
@@ -460,6 +443,19 @@ int ieee80211_get_ratemask(struct ieee80211_supported_band *sband,
int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev,
u32 beacon_int);
+void cfg80211_update_iface_num(struct cfg80211_registered_device *rdev,
+ enum nl80211_iftype iftype, int num);
+
+void __cfg80211_leave(struct cfg80211_registered_device *rdev,
+ struct wireless_dev *wdev);
+void cfg80211_leave(struct cfg80211_registered_device *rdev,
+ struct wireless_dev *wdev);
+
+void cfg80211_stop_p2p_device(struct cfg80211_registered_device *rdev,
+ struct wireless_dev *wdev);
+
+#define CFG80211_MAX_NUM_DIFFERENT_CHANNELS 10
+
#ifdef CONFIG_CFG80211_DEVELOPER_WARNINGS
#define CFG80211_DEV_WARN_ON(cond) WARN_ON(cond)
#else
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 23:26:09 +0000