AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next

Browse Source 
Conflicts:
	drivers/net/wireless/iwmc3200wifi/cfg80211.c
	drivers/net/wireless/mwifiex/cfg80211.c
This commit is contained in:
John W. Linville 2012-07-12 15:21:05 -04:00
commit d07d152892
44 changed files with 693 additions and 514 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
Documentation/DocBook/80211.tmpl
View File

@ -404,7 +404,6 @@
!Finclude/net/mac80211.h ieee80211_get_tkip_p1k
!Finclude/net/mac80211.h ieee80211_get_tkip_p1k_iv
!Finclude/net/mac80211.h ieee80211_get_tkip_p2k
!Finclude/net/mac80211.h ieee80211_key_removed
</chapter>
<chapter id="powersave">

58
drivers/net/wireless/ath/ath6kl/cfg80211.c
View File

@ -966,11 +966,11 @@ static int ath6kl_set_probed_ssids(struct ath6kl *ar,
return 0;
}
static int ath6kl_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev,
static int ath6kl_cfg80211_scan(struct wiphy *wiphy,
struct cfg80211_scan_request *request)
{
struct ath6kl *ar = ath6kl_priv(ndev);
struct ath6kl_vif *vif = netdev_priv(ndev);
struct ath6kl_vif *vif = ath6kl_vif_from_wdev(request->wdev);
struct ath6kl *ar = ath6kl_priv(vif->ndev);
s8 n_channels = 0;
u16 *channels = NULL;
int ret = 0;
@ -1487,14 +1487,14 @@ static int ath6kl_cfg80211_set_power_mgmt(struct wiphy *wiphy,
return 0;
}
static struct net_device *ath6kl_cfg80211_add_iface(struct wiphy *wiphy,
char *name,
enum nl80211_iftype type,
u32 *flags,
struct vif_params *params)
static struct wireless_dev *ath6kl_cfg80211_add_iface(struct wiphy *wiphy,
char *name,
enum nl80211_iftype type,
u32 *flags,
struct vif_params *params)
{
struct ath6kl *ar = wiphy_priv(wiphy);
struct net_device *ndev;
struct wireless_dev *wdev;
u8 if_idx, nw_type;
if (ar->num_vif == ar->vif_max) {
@ -1507,20 +1507,20 @@ static struct net_device *ath6kl_cfg80211_add_iface(struct wiphy *wiphy,
return ERR_PTR(-EINVAL);
}
ndev = ath6kl_interface_add(ar, name, type, if_idx, nw_type);
if (!ndev)
wdev = ath6kl_interface_add(ar, name, type, if_idx, nw_type);
if (!wdev)
return ERR_PTR(-ENOMEM);
ar->num_vif++;
return ndev;
return wdev;
}
static int ath6kl_cfg80211_del_iface(struct wiphy *wiphy,
struct net_device *ndev)
struct wireless_dev *wdev)
{
struct ath6kl *ar = wiphy_priv(wiphy);
struct ath6kl_vif *vif = netdev_priv(ndev);
struct ath6kl_vif *vif = netdev_priv(wdev->netdev);
spin_lock_bh(&ar->list_lock);
list_del(&vif->list);
@ -2975,14 +2975,14 @@ static int ath6kl_change_station(struct wiphy *wiphy, struct net_device *dev,
}
static int ath6kl_remain_on_channel(struct wiphy *wiphy,
struct net_device *dev,
struct wireless_dev *wdev,
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type,
unsigned int duration,
u64 *cookie)
{
struct ath6kl *ar = ath6kl_priv(dev);
struct ath6kl_vif *vif = netdev_priv(dev);
struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
struct ath6kl *ar = ath6kl_priv(vif->ndev);
u32 id;
/* TODO: if already pending or ongoing remain-on-channel,
@ -2999,11 +2999,11 @@ static int ath6kl_remain_on_channel(struct wiphy *wiphy,
}
static int ath6kl_cancel_remain_on_channel(struct wiphy *wiphy,
struct net_device *dev,
struct wireless_dev *wdev,
u64 cookie)
{
struct ath6kl *ar = ath6kl_priv(dev);
struct ath6kl_vif *vif = netdev_priv(dev);
struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
struct ath6kl *ar = ath6kl_priv(vif->ndev);
if (cookie != vif->last_roc_id)
return -ENOENT;
@ -3134,15 +3134,15 @@ static bool ath6kl_is_p2p_go_ssid(const u8 *buf, size_t len)
return false;
}
static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
struct ieee80211_channel *chan, bool offchan,
enum nl80211_channel_type channel_type,
bool channel_type_valid, unsigned int wait,
const u8 *buf, size_t len, bool no_cck,
bool dont_wait_for_ack, u64 *cookie)
{
struct ath6kl *ar = ath6kl_priv(dev);
struct ath6kl_vif *vif = netdev_priv(dev);
struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
struct ath6kl *ar = ath6kl_priv(vif->ndev);
u32 id;
const struct ieee80211_mgmt *mgmt;
bool more_data, queued;
@ -3187,10 +3187,10 @@ static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
}
static void ath6kl_mgmt_frame_register(struct wiphy *wiphy,
struct net_device *dev,
struct wireless_dev *wdev,
u16 frame_type, bool reg)
{
struct ath6kl_vif *vif = netdev_priv(dev);
struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: frame_type=0x%x reg=%d\n",
__func__, frame_type, reg);
@ -3477,9 +3477,9 @@ void ath6kl_cfg80211_vif_cleanup(struct ath6kl_vif *vif)
ar->num_vif--;
}
struct net_device *ath6kl_interface_add(struct ath6kl *ar, char *name,
enum nl80211_iftype type, u8 fw_vif_idx,
u8 nw_type)
struct wireless_dev *ath6kl_interface_add(struct ath6kl *ar, char *name,
enum nl80211_iftype type,
u8 fw_vif_idx, u8 nw_type)
{
struct net_device *ndev;
struct ath6kl_vif *vif;
@ -3533,7 +3533,7 @@ struct net_device *ath6kl_interface_add(struct ath6kl *ar, char *name,
list_add_tail(&vif->list, &ar->vif_list);
spin_unlock_bh(&ar->list_lock);
return ndev;
return &vif->wdev;
err:
aggr_module_destroy(vif->aggr_cntxt);

6
drivers/net/wireless/ath/ath6kl/cfg80211.h
View File

@ -25,9 +25,9 @@ enum ath6kl_cfg_suspend_mode {
ATH6KL_CFG_SUSPEND_SCHED_SCAN,
};
struct net_device *ath6kl_interface_add(struct ath6kl *ar, char *name,
enum nl80211_iftype type,
u8 fw_vif_idx, u8 nw_type);
struct wireless_dev *ath6kl_interface_add(struct ath6kl *ar, char *name,
enum nl80211_iftype type,
u8 fw_vif_idx, u8 nw_type);
void ath6kl_cfg80211_ch_switch_notify(struct ath6kl_vif *vif, int freq,
enum wmi_phy_mode mode);
void ath6kl_cfg80211_scan_complete_event(struct ath6kl_vif *vif, bool aborted);

8
drivers/net/wireless/ath/ath6kl/core.c
View File

@ -56,7 +56,7 @@ EXPORT_SYMBOL(ath6kl_core_rx_complete);
int ath6kl_core_init(struct ath6kl *ar, enum ath6kl_htc_type htc_type)
{
struct ath6kl_bmi_target_info targ_info;
struct net_device *ndev;
struct wireless_dev *wdev;
int ret = 0, i;
switch (htc_type) {
@ -187,12 +187,12 @@ int ath6kl_core_init(struct ath6kl *ar, enum ath6kl_htc_type htc_type)
rtnl_lock();
/* Add an initial station interface */
ndev = ath6kl_interface_add(ar, "wlan%d", NL80211_IFTYPE_STATION, 0,
wdev = ath6kl_interface_add(ar, "wlan%d", NL80211_IFTYPE_STATION, 0,
INFRA_NETWORK);
rtnl_unlock();
if (!ndev) {
if (!wdev) {
ath6kl_err("Failed to instantiate a network device\n");
ret = -ENOMEM;
wiphy_unregister(ar->wiphy);
@ -200,7 +200,7 @@ int ath6kl_core_init(struct ath6kl *ar, enum ath6kl_htc_type htc_type)
}
ath6kl_dbg(ATH6KL_DBG_TRC, "%s: name=%s dev=0x%p, ar=0x%p\n",
__func__, ndev->name, ndev, ar);
__func__, wdev->netdev->name, wdev->netdev, ar);
return ret;

5
drivers/net/wireless/ath/ath6kl/core.h
View File

@ -589,6 +589,11 @@ struct ath6kl_vif {
struct list_head mc_filter;
};
static inline struct ath6kl_vif *ath6kl_vif_from_wdev(struct wireless_dev *wdev)
{
return container_of(wdev, struct ath6kl_vif, wdev);
}
#define WOW_LIST_ID 0
#define WOW_HOST_REQ_DELAY 500 /* ms */

10
drivers/net/wireless/ath/ath6kl/wmi.c
View File

@ -474,7 +474,7 @@ static int ath6kl_wmi_remain_on_chnl_event_rx(struct wmi *wmi, u8 *datap,
return -EINVAL;
}
id = vif->last_roc_id;
cfg80211_ready_on_channel(vif->ndev, id, chan, NL80211_CHAN_NO_HT,
cfg80211_ready_on_channel(&vif->wdev, id, chan, NL80211_CHAN_NO_HT,
dur, GFP_ATOMIC);
return 0;
@ -513,7 +513,7 @@ static int ath6kl_wmi_cancel_remain_on_chnl_event_rx(struct wmi *wmi,
else
id = vif->last_roc_id; /* timeout on uncanceled r-o-c */
vif->last_cancel_roc_id = 0;
cfg80211_remain_on_channel_expired(vif->ndev, id, chan,
cfg80211_remain_on_channel_expired(&vif->wdev, id, chan,
NL80211_CHAN_NO_HT, GFP_ATOMIC);
return 0;
@ -533,7 +533,7 @@ static int ath6kl_wmi_tx_status_event_rx(struct wmi *wmi, u8 *datap, int len,
ath6kl_dbg(ATH6KL_DBG_WMI, "tx_status: id=%x ack_status=%u\n",
id, ev->ack_status);
if (wmi->last_mgmt_tx_frame) {
cfg80211_mgmt_tx_status(vif->ndev, id,
cfg80211_mgmt_tx_status(&vif->wdev, id,
wmi->last_mgmt_tx_frame,
wmi->last_mgmt_tx_frame_len,
!!ev->ack_status, GFP_ATOMIC);
@ -568,7 +568,7 @@ static int ath6kl_wmi_rx_probe_req_event_rx(struct wmi *wmi, u8 *datap, int len,
dlen, freq, vif->probe_req_report);
if (vif->probe_req_report || vif->nw_type == AP_NETWORK)
cfg80211_rx_mgmt(vif->ndev, freq, 0,
cfg80211_rx_mgmt(&vif->wdev, freq, 0,
ev->data, dlen, GFP_ATOMIC);
return 0;
@ -608,7 +608,7 @@ static int ath6kl_wmi_rx_action_event_rx(struct wmi *wmi, u8 *datap, int len,
return -EINVAL;
}
ath6kl_dbg(ATH6KL_DBG_WMI, "rx_action: len=%u freq=%u\n", dlen, freq);
cfg80211_rx_mgmt(vif->ndev, freq, 0,
cfg80211_rx_mgmt(&vif->wdev, freq, 0,
ev->data, dlen, GFP_ATOMIC);
return 0;

3
drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
View File

@ -691,9 +691,10 @@ __brcmf_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev,
}
static s32
brcmf_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev,
brcmf_cfg80211_scan(struct wiphy *wiphy,
struct cfg80211_scan_request *request)
{
struct net_device *ndev = request->wdev->netdev;
s32 err = 0;
WL_TRACE("Enter\n");

2
drivers/net/wireless/iwlegacy/common.c
View File

@ -5359,7 +5359,7 @@ il_mac_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
if (changes & BSS_CHANGED_ASSOC) {
D_MAC80211("ASSOC %d\n", bss_conf->assoc);
if (bss_conf->assoc) {
il->timestamp = bss_conf->last_tsf;
il->timestamp = bss_conf->sync_tsf;
if (!il_is_rfkill(il))
il->ops->post_associate(il);

2
drivers/net/wireless/iwlwifi/dvm/rxon.c
View File

@ -1447,7 +1447,7 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
if (changes & BSS_CHANGED_ASSOC) {
if (bss_conf->assoc) {
priv->timestamp = bss_conf->last_tsf;
priv->timestamp = bss_conf->sync_tsf;
ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK;
} else {
/*

1
drivers/net/wireless/libertas/cfg.c
View File

@ -805,7 +805,6 @@ void lbs_scan_done(struct lbs_private *priv)
}
static int lbs_cfg_scan(struct wiphy *wiphy,
struct net_device *dev,
struct cfg80211_scan_request *request)
{
struct lbs_private *priv = wiphy_priv(wiphy);

27
drivers/net/wireless/mwifiex/cfg80211.c
View File

@ -1440,9 +1440,10 @@ mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
* it also informs the results.
*/
static int
mwifiex_cfg80211_scan(struct wiphy *wiphy, struct net_device *dev,
mwifiex_cfg80211_scan(struct wiphy *wiphy,
struct cfg80211_scan_request *request)
{
struct net_device *dev = request->wdev->netdev;
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
int i;
struct ieee80211_channel *chan;
@ -1576,11 +1577,11 @@ mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info,
/*
* create a new virtual interface with the given name
*/
struct net_device *mwifiex_add_virtual_intf(struct wiphy *wiphy,
char *name,
enum nl80211_iftype type,
u32 *flags,
struct vif_params *params)
struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
char *name,
enum nl80211_iftype type,
u32 *flags,
struct vif_params *params)
{
struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
struct mwifiex_private *priv;
@ -1701,16 +1702,16 @@ struct net_device *mwifiex_add_virtual_intf(struct wiphy *wiphy,
#ifdef CONFIG_DEBUG_FS
mwifiex_dev_debugfs_init(priv);
#endif
return dev;
return wdev;
}
EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf);
/*
* del_virtual_intf: remove the virtual interface determined by dev
*/
int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct net_device *dev)
int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
#ifdef CONFIG_DEBUG_FS
mwifiex_dev_debugfs_remove(priv);
@ -1722,11 +1723,11 @@ int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct net_device *dev)
if (netif_carrier_ok(priv->netdev))
netif_carrier_off(priv->netdev);
if (dev->reg_state == NETREG_REGISTERED)
unregister_netdevice(dev);
if (wdev->netdev->reg_state == NETREG_REGISTERED)
unregister_netdevice(wdev->netdev);
if (dev->reg_state == NETREG_UNREGISTERED)
free_netdev(dev);
if (wdev->netdev->reg_state == NETREG_UNREGISTERED)
free_netdev(wdev->netdev);
/* Clear the priv in adapter */
priv->netdev = NULL;

4
drivers/net/wireless/mwifiex/main.c
View File

@ -377,7 +377,7 @@ static void mwifiex_fw_dpc(const struct firmware *firmware, void *context)
goto done;
err_add_intf:
mwifiex_del_virtual_intf(adapter->wiphy, priv->netdev);
mwifiex_del_virtual_intf(adapter->wiphy, priv->wdev);
rtnl_unlock();
err_init_fw:
pr_debug("info: %s: unregister device\n", __func__);
@ -844,7 +844,7 @@ int mwifiex_remove_card(struct mwifiex_adapter *adapter, struct semaphore *sem)
rtnl_lock();
if (priv->wdev && priv->netdev)
mwifiex_del_virtual_intf(adapter->wiphy, priv->netdev);
mwifiex_del_virtual_intf(adapter->wiphy, priv->wdev);
rtnl_unlock();
}

10
drivers/net/wireless/mwifiex/main.h
View File

@ -1005,10 +1005,12 @@ int mwifiex_update_bss_desc_with_ie(struct mwifiex_adapter *adapter,
int mwifiex_check_network_compatibility(struct mwifiex_private *priv,
struct mwifiex_bssdescriptor *bss_desc);
struct net_device *mwifiex_add_virtual_intf(struct wiphy *wiphy,
char *name, enum nl80211_iftype type,
u32 *flags, struct vif_params *params);
int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct net_device *dev);
struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
char *name,
enum nl80211_iftype type,
u32 *flags,
struct vif_params *params);
int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev);
void mwifiex_set_sys_config_invalid_data(struct mwifiex_uap_bss_param *config);

2
drivers/net/wireless/orinoco/cfg.c
View File

@ -138,7 +138,7 @@ static int orinoco_change_vif(struct wiphy *wiphy, struct net_device *dev,
return err;
}
static int orinoco_scan(struct wiphy *wiphy, struct net_device *dev,
static int orinoco_scan(struct wiphy *wiphy,
struct cfg80211_scan_request *request)
{
struct orinoco_private *priv = wiphy_priv(wiphy);

5
drivers/net/wireless/rndis_wlan.c
View File

@ -484,7 +484,7 @@ static int rndis_change_virtual_intf(struct wiphy *wiphy,
enum nl80211_iftype type, u32 *flags,
struct vif_params *params);
static int rndis_scan(struct wiphy *wiphy, struct net_device *dev,
static int rndis_scan(struct wiphy *wiphy,
struct cfg80211_scan_request *request);
static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed);
@ -1941,9 +1941,10 @@ static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm)
}
#define SCAN_DELAY_JIFFIES (6 * HZ)
static int rndis_scan(struct wiphy *wiphy, struct net_device *dev,
static int rndis_scan(struct wiphy *wiphy,
struct cfg80211_scan_request *request)
{
struct net_device *dev = request->wdev->netdev;
struct usbnet *usbdev = netdev_priv(dev);
struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
int ret;

2
drivers/net/wireless/rt2x00/rt2x00config.c
View File

@ -102,7 +102,7 @@ void rt2x00lib_config_erp(struct rt2x00_dev *rt2x00dev,
/* Update the AID, this is needed for dynamic PS support */
rt2x00dev->aid = bss_conf->assoc ? bss_conf->aid : 0;
rt2x00dev->last_beacon = bss_conf->last_tsf;
rt2x00dev->last_beacon = bss_conf->sync_tsf;
/* Update global beacon interval time, this is needed for PS support */
rt2x00dev->beacon_int = bss_conf->beacon_int;

5
include/linux/nl80211.h
View File

@ -771,6 +771,9 @@ enum nl80211_commands {
* @NL80211_ATTR_IFNAME: network interface name
* @NL80211_ATTR_IFTYPE: type of virtual interface, see &enum nl80211_iftype
*
* @NL80211_ATTR_WDEV: wireless device identifier, used for pseudo-devices
* that don't have a netdev (u64)
*
* @NL80211_ATTR_MAC: MAC address (various uses)
*
* @NL80211_ATTR_KEY_DATA: (temporal) key data; for TKIP this consists of
@ -1493,6 +1496,8 @@ enum nl80211_attrs {
NL80211_ATTR_BG_SCAN_PERIOD,
NL80211_ATTR_WDEV,
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,

75
include/net/cfg80211.h
View File

@ -999,7 +999,7 @@ struct cfg80211_ssid {
* @ie_len: length of ie in octets
* @rates: bitmap of rates to advertise for each band
* @wiphy: the wiphy this was for
* @dev: the interface
* @wdev: the wireless device to scan for
* @aborted: (internal) scan request was notified as aborted
* @no_cck: used to send probe requests at non CCK rate in 2GHz band
*/
@ -1012,9 +1012,10 @@ struct cfg80211_scan_request {
u32 rates[IEEE80211_NUM_BANDS];
struct wireless_dev *wdev;
/* internal */
struct wiphy *wiphy;
struct net_device *dev;
bool aborted;
bool no_cck;
@ -1435,10 +1436,10 @@ struct cfg80211_gtk_rekey_data {
*
* @add_virtual_intf: create a new virtual interface with the given name,
* must set the struct wireless_dev's iftype. Beware: You must create
* the new netdev in the wiphy's network namespace! Returns the netdev,
* or an ERR_PTR.
* the new netdev in the wiphy's network namespace! Returns the struct
* wireless_dev, or an ERR_PTR.
*
* @del_virtual_intf: remove the virtual interface determined by ifindex.
* @del_virtual_intf: remove the virtual interface
*
* @change_virtual_intf: change type/configuration of virtual interface,
* keep the struct wireless_dev's iftype updated.
@ -1617,12 +1618,13 @@ struct cfg80211_ops {
int (*resume)(struct wiphy *wiphy);
void (*set_wakeup)(struct wiphy *wiphy, bool enabled);
struct net_device * (*add_virtual_intf)(struct wiphy *wiphy,
char *name,
enum nl80211_iftype type,
u32 *flags,
struct vif_params *params);
int (*del_virtual_intf)(struct wiphy *wiphy, struct net_device *dev);
struct wireless_dev * (*add_virtual_intf)(struct wiphy *wiphy,
char *name,
enum nl80211_iftype type,
u32 *flags,
struct vif_params *params);
int (*del_virtual_intf)(struct wiphy *wiphy,
struct wireless_dev *wdev);
int (*change_virtual_intf)(struct wiphy *wiphy,
struct net_device *dev,
enum nl80211_iftype type, u32 *flags,
@ -1699,7 +1701,7 @@ struct cfg80211_ops {
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type);
int (*scan)(struct wiphy *wiphy, struct net_device *dev,
int (*scan)(struct wiphy *wiphy,
struct cfg80211_scan_request *request);
int (*auth)(struct wiphy *wiphy, struct net_device *dev,
@ -1753,23 +1755,23 @@ struct cfg80211_ops {
int (*flush_pmksa)(struct wiphy *wiphy, struct net_device *netdev);
int (*remain_on_channel)(struct wiphy *wiphy,
struct net_device *dev,
struct wireless_dev *wdev,
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type,
unsigned int duration,
u64 *cookie);
int (*cancel_remain_on_channel)(struct wiphy *wiphy,
struct net_device *dev,
struct wireless_dev *wdev,
u64 cookie);
int (*mgmt_tx)(struct wiphy *wiphy, struct net_device *dev,
int (*mgmt_tx)(struct wiphy *wiphy, struct wireless_dev *wdev,
struct ieee80211_channel *chan, bool offchan,
enum nl80211_channel_type channel_type,
bool channel_type_valid, unsigned int wait,
const u8 *buf, size_t len, bool no_cck,
bool dont_wait_for_ack, u64 *cookie);
int (*mgmt_tx_cancel_wait)(struct wiphy *wiphy,
struct net_device *dev,
struct wireless_dev *wdev,
u64 cookie);
int (*set_power_mgmt)(struct wiphy *wiphy, struct net_device *dev,
@ -1780,7 +1782,7 @@ struct cfg80211_ops {
s32 rssi_thold, u32 rssi_hyst);
void (*mgmt_frame_register)(struct wiphy *wiphy,
struct net_device *dev,
struct wireless_dev *wdev,
u16 frame_type, bool reg);
int (*set_antenna)(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant);
@ -2341,17 +2343,25 @@ struct cfg80211_internal_bss;
struct cfg80211_cached_keys;
/**
* struct wireless_dev - wireless per-netdev state
* struct wireless_dev - wireless device state
*
* This structure must be allocated by the driver/stack
* that uses the ieee80211_ptr field in struct net_device
* (this is intentional so it can be allocated along with
* the netdev.)
* For netdevs, this structure must be allocated by the driver
* that uses the ieee80211_ptr field in struct net_device (this
* is intentional so it can be allocated along with the netdev.)
* It need not be registered then as netdev registration will
* be intercepted by cfg80211 to see the new wireless device.
*
* For non-netdev uses, it must also be allocated by the driver
* in response to the cfg80211 callbacks that require it, as
* there's no netdev registration in that case it may not be
* allocated outside of callback operations that return it.
*
* @wiphy: pointer to hardware description
* @iftype: interface type
* @list: (private) Used to collect the interfaces
* @netdev: (private) Used to reference back to the netdev
* @netdev: (private) Used to reference back to the netdev, may be %NULL
* @identifier: (private) Identifier used in nl80211 to identify this
* wireless device if it has no netdev
* @current_bss: (private) Used by the internal configuration code
* @channel: (private) Used by the internal configuration code to track
* the user-set AP, monitor and WDS channel
@ -2383,6 +2393,8 @@ struct wireless_dev {
struct list_head list;
struct net_device *netdev;
u32 identifier;
struct list_head mgmt_registrations;
spinlock_t mgmt_registrations_lock;
@ -3269,7 +3281,7 @@ void cfg80211_disconnected(struct net_device *dev, u16 reason,
/**
* cfg80211_ready_on_channel - notification of remain_on_channel start
* @dev: network device
* @wdev: wireless device
* @cookie: the request cookie
* @chan: The current channel (from remain_on_channel request)
* @channel_type: Channel type
@ -3277,21 +3289,20 @@ void cfg80211_disconnected(struct net_device *dev, u16 reason,
* channel
* @gfp: allocation flags
*/
void cfg80211_ready_on_channel(struct net_device *dev, u64 cookie,
void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type,
unsigned int duration, gfp_t gfp);
/**
* cfg80211_remain_on_channel_expired - remain_on_channel duration expired
* @dev: network device
* @wdev: wireless device
* @cookie: the request cookie
* @chan: The current channel (from remain_on_channel request)
* @channel_type: Channel type
* @gfp: allocation flags
*/
void cfg80211_remain_on_channel_expired(struct net_device *dev,
u64 cookie,
void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type,
gfp_t gfp);
@ -3319,7 +3330,7 @@ void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp);
/**
* cfg80211_rx_mgmt - notification of received, unprocessed management frame
* @dev: network device
* @wdev: wireless device receiving the frame
* @freq: Frequency on which the frame was received in MHz
* @sig_dbm: signal strength in mBm, or 0 if unknown
* @buf: Management frame (header + body)
@ -3334,12 +3345,12 @@ void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp);
* This function is called whenever an Action frame is received for a station
* mode interface, but is not processed in kernel.
*/
bool cfg80211_rx_mgmt(struct net_device *dev, int freq, int sig_dbm,
bool cfg80211_rx_mgmt(struct wireless_dev *wdev, int freq, int sig_dbm,
const u8 *buf, size_t len, gfp_t gfp);
/**
* cfg80211_mgmt_tx_status - notification of TX status for management frame
* @dev: network device
* @wdev: wireless device receiving the frame
* @cookie: Cookie returned by cfg80211_ops::mgmt_tx()
* @buf: Management frame (header + body)
* @len: length of the frame data
@ -3350,7 +3361,7 @@ bool cfg80211_rx_mgmt(struct net_device *dev, int freq, int sig_dbm,
* transmitted with cfg80211_ops::mgmt_tx() to report the TX status of the
* transmission attempt.
*/
void cfg80211_mgmt_tx_status(struct net_device *dev, u64 cookie,
void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
const u8 *buf, size_t len, bool ack, gfp_t gfp);

40
include/net/mac80211.h
View File

@ -233,8 +233,10 @@ enum ieee80211_rssi_event {
* valid in station mode only while @assoc is true and if also
* requested by %IEEE80211_HW_NEED_DTIM_PERIOD (cf. also hw conf
* @ps_dtim_period)
* @last_tsf: last beacon's/probe response's TSF timestamp (could be old
* @sync_tsf: last beacon's/probe response's TSF timestamp (could be old
* as it may have been received during scanning long ago)
* @sync_device_ts: the device timestamp corresponding to the sync_tsf,
* the driver/device can use this to calculate synchronisation
* @beacon_int: beacon interval
* @assoc_capability: capabilities taken from assoc resp
* @basic_rates: bitmap of basic rates, each bit stands for an
@ -281,7 +283,8 @@ struct ieee80211_bss_conf {
u8 dtim_period;
u16 beacon_int;
u16 assoc_capability;
u64 last_tsf;
u64 sync_tsf;
u32 sync_device_ts;
u32 basic_rates;
int mcast_rate[IEEE80211_NUM_BANDS];
u16 ht_operation_mode;
@ -696,6 +699,8 @@ enum mac80211_rx_flags {
*
* @mactime: value in microseconds of the 64-bit Time Synchronization Function
* (TSF) timer when the first data symbol (MPDU) arrived at the hardware.
* @device_timestamp: arbitrary timestamp for the device, mac80211 doesn't use
* it but can store it and pass it back to the driver for synchronisation
* @band: the active band when this frame was received
* @freq: frequency the radio was tuned to when receiving this frame, in MHz
* @signal: signal strength when receiving this frame, either in dBm, in dB or
@ -709,13 +714,14 @@ enum mac80211_rx_flags {
*/
struct ieee80211_rx_status {
u64 mactime;
enum ieee80211_band band;
int freq;
int signal;
int antenna;
int rate_idx;
int flag;
unsigned int rx_flags;
u32 device_timestamp;
u16 flag;
u16 freq;
u8 rate_idx;
u8 rx_flags;
u8 band;
u8 antenna;
s8 signal;
};
/**
@ -3591,22 +3597,6 @@ void ieee80211_chswitch_done(struct ieee80211_vif *vif, bool success);
void ieee80211_request_smps(struct ieee80211_vif *vif,
enum ieee80211_smps_mode smps_mode);
/**
* ieee80211_key_removed - disable hw acceleration for key
* @key_conf: The key hw acceleration should be disabled for
*
* This allows drivers to indicate that the given key has been
* removed from hardware acceleration, due to a new key that
* was added. Don't use this if the key can continue to be used
* for TX, if the key restriction is on RX only it is permitted
* to keep the key for TX only and not call this function.
*
* Due to locking constraints, it may only be called during
* @set_key. This function must be allowed to sleep, and the
* key it tries to disable may still be used until it returns.
*/
void ieee80211_key_removed(struct ieee80211_key_conf *key_conf);
/**
* ieee80211_ready_on_channel - notification of remain-on-channel start
* @hw: pointer as obtained from ieee80211_alloc_hw()

3
net/mac80211/agg-tx.c
View File

@ -135,7 +135,8 @@ void ieee80211_send_bar(struct ieee80211_vif *vif, u8 *ra, u16 tid, u16 ssn)
bar->control = cpu_to_le16(bar_control);
bar->start_seq_num = cpu_to_le16(ssn);
IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT |
IEEE80211_TX_CTL_REQ_TX_STATUS;
ieee80211_tx_skb_tid(sdata, skb, tid);
}
EXPORT_SYMBOL(ieee80211_send_bar);

48
net/mac80211/cfg.c
View File

@ -20,31 +20,31 @@
#include "rate.h"
#include "mesh.h"
static struct net_device *ieee80211_add_iface(struct wiphy *wiphy, char *name,
enum nl80211_iftype type,
u32 *flags,
struct vif_params *params)
static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy, char *name,
enum nl80211_iftype type,
u32 *flags,
struct vif_params *params)
{
struct ieee80211_local *local = wiphy_priv(wiphy);
struct net_device *dev;
struct wireless_dev *wdev;
struct ieee80211_sub_if_data *sdata;
int err;
err = ieee80211_if_add(local, name, &dev, type, params);
err = ieee80211_if_add(local, name, &wdev, type, params);
if (err)
return ERR_PTR(err);
if (type == NL80211_IFTYPE_MONITOR && flags) {
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
sdata->u.mntr_flags = *flags;
}
return dev;
return wdev;
}
static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev)
static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
{
ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev));
ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
return 0;
}
@ -1741,6 +1741,8 @@ static int ieee80211_set_txq_params(struct wiphy *wiphy,
return -EINVAL;
}
ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
return 0;
}
@ -1761,10 +1763,11 @@ static int ieee80211_resume(struct wiphy *wiphy)
#endif
static int ieee80211_scan(struct wiphy *wiphy,
struct net_device *dev,
struct cfg80211_scan_request *req)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_sub_if_data *sdata;
sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
switch (ieee80211_vif_type_p2p(&sdata->vif)) {
case NL80211_IFTYPE_STATION:
@ -2297,13 +2300,13 @@ static int ieee80211_start_roc_work(struct ieee80211_local *local,
}
static int ieee80211_remain_on_channel(struct wiphy *wiphy,
struct net_device *dev,
struct wireless_dev *wdev,
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type,
unsigned int duration,
u64 *cookie)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
struct ieee80211_local *local = sdata->local;
int ret;
@ -2390,23 +2393,23 @@ static int ieee80211_cancel_roc(struct ieee80211_local *local,
}
static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
struct net_device *dev,
struct wireless_dev *wdev,
u64 cookie)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
struct ieee80211_local *local = sdata->local;
return ieee80211_cancel_roc(local, cookie, false);
}
static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
struct ieee80211_channel *chan, bool offchan,
enum nl80211_channel_type channel_type,
bool channel_type_valid, unsigned int wait,
const u8 *buf, size_t len, bool no_cck,
bool dont_wait_for_ack, u64 *cookie)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb;
struct sta_info *sta;
@ -2511,21 +2514,20 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
}
static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
struct net_device *dev,
struct wireless_dev *wdev,
u64 cookie)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = sdata->local;
struct ieee80211_local *local = wiphy_priv(wiphy);
return ieee80211_cancel_roc(local, cookie, true);
}
static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
struct net_device *dev,
struct wireless_dev *wdev,
u16 frame_type, bool reg)
{
struct ieee80211_local *local = wiphy_priv(wiphy);
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
switch (frame_type) {
case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH:

2
net/mac80211/debugfs.c
View File

@ -325,8 +325,6 @@ void debugfs_hw_add(struct ieee80211_local *local)
local->rx_handlers_drop_defrag);
DEBUGFS_STATS_ADD(rx_handlers_drop_short,
local->rx_handlers_drop_short);
DEBUGFS_STATS_ADD(rx_handlers_drop_passive_scan,
local->rx_handlers_drop_passive_scan);
DEBUGFS_STATS_ADD(tx_expand_skb_head,
local->tx_expand_skb_head);
DEBUGFS_STATS_ADD(tx_expand_skb_head_cloned,

20
net/mac80211/ieee80211_i.h
View File

@ -85,6 +85,8 @@ struct ieee80211_bss {
size_t ssid_len;
u8 ssid[IEEE80211_MAX_SSID_LEN];
u32 device_ts;
u8 dtim_period;
bool wmm_used;
@ -207,7 +209,6 @@ typedef unsigned __bitwise__ ieee80211_rx_result;
* enum ieee80211_packet_rx_flags - packet RX flags
* @IEEE80211_RX_RA_MATCH: frame is destined to interface currently processed
* (incl. multicast frames)
* @IEEE80211_RX_IN_SCAN: received while scanning
* @IEEE80211_RX_FRAGMENTED: fragmented frame
* @IEEE80211_RX_AMSDU: a-MSDU packet
* @IEEE80211_RX_MALFORMED_ACTION_FRM: action frame is malformed
@ -217,7 +218,6 @@ typedef unsigned __bitwise__ ieee80211_rx_result;
* @rx_flags field of &struct ieee80211_rx_status.
*/
enum ieee80211_packet_rx_flags {
IEEE80211_RX_IN_SCAN = BIT(0),
IEEE80211_RX_RA_MATCH = BIT(1),
IEEE80211_RX_FRAGMENTED = BIT(2),
IEEE80211_RX_AMSDU = BIT(3),
@ -965,14 +965,14 @@ struct ieee80211_local {
int scan_channel_idx;
int scan_ies_len;
bool sched_scanning;
struct ieee80211_sched_scan_ies sched_scan_ies;
struct work_struct sched_scan_stopped_work;
struct ieee80211_sub_if_data __rcu *sched_scan_sdata;
unsigned long leave_oper_channel_time;
enum mac80211_scan_state next_scan_state;
struct delayed_work scan_work;
struct ieee80211_sub_if_data *scan_sdata;
struct ieee80211_sub_if_data __rcu *scan_sdata;
enum nl80211_channel_type _oper_channel_type;
struct ieee80211_channel *oper_channel, *csa_channel;
@ -1014,7 +1014,6 @@ struct ieee80211_local {
unsigned int rx_handlers_drop_nullfunc;
unsigned int rx_handlers_drop_defrag;
unsigned int rx_handlers_drop_short;
unsigned int rx_handlers_drop_passive_scan;
unsigned int tx_expand_skb_head;
unsigned int tx_expand_skb_head_cloned;
unsigned int rx_expand_skb_head;
@ -1091,6 +1090,12 @@ IEEE80211_DEV_TO_SUB_IF(struct net_device *dev)
return netdev_priv(dev);
}
static inline struct ieee80211_sub_if_data *
IEEE80211_WDEV_TO_SUB_IF(struct wireless_dev *wdev)
{
return container_of(wdev, struct ieee80211_sub_if_data, wdev);
}
/* this struct represents 802.11n's RA/TID combination */
struct ieee80211_ra_tid {
u8 ra[ETH_ALEN];
@ -1241,8 +1246,7 @@ int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata,
struct cfg80211_scan_request *req);
void ieee80211_scan_cancel(struct ieee80211_local *local);
void ieee80211_run_deferred_scan(struct ieee80211_local *local);
ieee80211_rx_result
ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb);
void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb);
void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local);
struct ieee80211_bss *
@ -1278,7 +1282,7 @@ void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc);
int ieee80211_iface_init(void);
void ieee80211_iface_exit(void);
int ieee80211_if_add(struct ieee80211_local *local, const char *name,
struct net_device **new_dev, enum nl80211_iftype type,
struct wireless_dev **new_wdev, enum nl80211_iftype type,
struct vif_params *params);
int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata,
enum nl80211_iftype type);

44
net/mac80211/iface.c
View File

@ -112,10 +112,11 @@ static u32 __ieee80211_recalc_idle(struct ieee80211_local *local)
}
}
if (local->scan_sdata &&
!(local->hw.flags & IEEE80211_HW_SCAN_WHILE_IDLE)) {
sdata = rcu_dereference_protected(local->scan_sdata,
lockdep_is_held(&local->mtx));
if (sdata && !(local->hw.flags & IEEE80211_HW_SCAN_WHILE_IDLE)) {
scanning = true;
local->scan_sdata->vif.bss_conf.idle = false;
sdata->vif.bss_conf.idle = false;
}
list_for_each_entry(sdata, &local->interfaces, list) {
@ -333,17 +334,21 @@ static void ieee80211_set_default_queues(struct ieee80211_sub_if_data *sdata)
int ieee80211_add_virtual_monitor(struct ieee80211_local *local)
{
struct ieee80211_sub_if_data *sdata;
int ret;
int ret = 0;
if (!(local->hw.flags & IEEE80211_HW_WANT_MONITOR_VIF))
return 0;
mutex_lock(&local->iflist_mtx);
if (local->monitor_sdata)
return 0;
goto out_unlock;
sdata = kzalloc(sizeof(*sdata) + local->hw.vif_data_size, GFP_KERNEL);
if (!sdata)
return -ENOMEM;
if (!sdata) {
ret = -ENOMEM;
goto out_unlock;
}
/* set up data */
sdata->local = local;
@ -357,18 +362,19 @@ int ieee80211_add_virtual_monitor(struct ieee80211_local *local)
if (WARN_ON(ret)) {
/* ok .. stupid driver, it asked for this! */
kfree(sdata);
return ret;
goto out_unlock;
}
ret = ieee80211_check_queues(sdata);
if (ret) {
kfree(sdata);
return ret;
goto out_unlock;
}
rcu_assign_pointer(local->monitor_sdata, sdata);
return 0;
out_unlock:
mutex_unlock(&local->iflist_mtx);
return ret;
}
void ieee80211_del_virtual_monitor(struct ieee80211_local *local)
@ -378,10 +384,12 @@ void ieee80211_del_virtual_monitor(struct ieee80211_local *local)
if (!(local->hw.flags & IEEE80211_HW_WANT_MONITOR_VIF))
return;
sdata = rtnl_dereference(local->monitor_sdata);
mutex_lock(&local->iflist_mtx);
sdata = rcu_dereference_protected(local->monitor_sdata,
lockdep_is_held(&local->iflist_mtx));
if (!sdata)
return;
goto out_unlock;
rcu_assign_pointer(local->monitor_sdata, NULL);
synchronize_net();
@ -389,6 +397,8 @@ void ieee80211_del_virtual_monitor(struct ieee80211_local *local)
drv_remove_interface(local, sdata);
kfree(sdata);
out_unlock:
mutex_unlock(&local->iflist_mtx);
}
/*
@ -628,7 +638,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
clear_bit(SDATA_STATE_RUNNING, &sdata->state);
if (local->scan_sdata == sdata)
if (rcu_access_pointer(local->scan_sdata) == sdata)
ieee80211_scan_cancel(local);
/*
@ -1373,7 +1383,7 @@ static void ieee80211_assign_perm_addr(struct ieee80211_local *local,
}
int ieee80211_if_add(struct ieee80211_local *local, const char *name,
struct net_device **new_dev, enum nl80211_iftype type,
struct wireless_dev **new_wdev, enum nl80211_iftype type,
struct vif_params *params)
{
struct net_device *ndev;
@ -1463,8 +1473,8 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
list_add_tail_rcu(&sdata->list, &local->interfaces);
mutex_unlock(&local->iflist_mtx);
if (new_dev)
*new_dev = ndev;
if (new_wdev)
*new_wdev = &sdata->wdev;
return 0;

20
net/mac80211/key.c
View File

@ -194,26 +194,6 @@ static void ieee80211_key_disable_hw_accel(struct ieee80211_key *key)
key->flags &= ~KEY_FLAG_UPLOADED_TO_HARDWARE;
}
void ieee80211_key_removed(struct ieee80211_key_conf *key_conf)
{
struct ieee80211_key *key;
key = container_of(key_conf, struct ieee80211_key, conf);
might_sleep();
assert_key_lock(key->local);
key->flags &= ~KEY_FLAG_UPLOADED_TO_HARDWARE;
/*
* Flush TX path to avoid attempts to use this key
* after this function returns. Until then, drivers
* must be prepared to handle the key.
*/
synchronize_rcu();
}
EXPORT_SYMBOL_GPL(ieee80211_key_removed);
static void __ieee80211_set_default_key(struct ieee80211_sub_if_data *sdata,
int idx, bool uni, bool multi)
{

3
net/mac80211/main.c
View File

@ -322,7 +322,8 @@ static void ieee80211_restart_work(struct work_struct *work)
mutex_lock(&local->mtx);
WARN(test_bit(SCAN_HW_SCANNING, &local->scanning) ||
local->sched_scanning,
rcu_dereference_protected(local->sched_scan_sdata,
lockdep_is_held(&local->mtx)),
"%s called with hardware scan in progress\n", __func__);
mutex_unlock(&local->mtx);

45
net/mac80211/mlme.c
View File

@ -1108,7 +1108,7 @@ void ieee80211_dynamic_ps_timer(unsigned long data)
}
/* MLME */
static void ieee80211_sta_wmm_params(struct ieee80211_local *local,
static bool ieee80211_sta_wmm_params(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
u8 *wmm_param, size_t wmm_param_len)
{
@ -1119,23 +1119,23 @@ static void ieee80211_sta_wmm_params(struct ieee80211_local *local,
u8 *pos, uapsd_queues = 0;
if (!local->ops->conf_tx)
return;
return false;
if (local->hw.queues < IEEE80211_NUM_ACS)
return;
return false;
if (!wmm_param)
return;
return false;
if (wmm_param_len < 8 || wmm_param[5] /* version */ != 1)
return;
return false;
if (ifmgd->flags & IEEE80211_STA_UAPSD_ENABLED)
uapsd_queues = ifmgd->uapsd_queues;
count = wmm_param[6] & 0x0f;
if (count == ifmgd->wmm_last_param_set)
return;
return false;
ifmgd->wmm_last_param_set = count;
pos = wmm_param + 8;
@ -1202,6 +1202,7 @@ static void ieee80211_sta_wmm_params(struct ieee80211_local *local,
/* enable WMM or activate new settings */
sdata->vif.bss_conf.qos = true;
return true;
}
static void __ieee80211_stop_poll(struct ieee80211_sub_if_data *sdata)
@ -1268,11 +1269,6 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf;
bss_info_changed |= BSS_CHANGED_ASSOC;
/* set timing information */
bss_conf->beacon_int = cbss->beacon_interval;
bss_conf->last_tsf = cbss->tsf;
bss_info_changed |= BSS_CHANGED_BEACON_INT;
bss_info_changed |= ieee80211_handle_bss_capability(sdata,
bss_conf->assoc_capability, bss->has_erp_value, bss->erp_value);
@ -2435,14 +2431,6 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
directed_tim = ieee80211_check_tim(elems.tim, elems.tim_len,
ifmgd->aid);
if (ncrc != ifmgd->beacon_crc || !ifmgd->beacon_crc_valid) {
ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems,
true);
ieee80211_sta_wmm_params(local, sdata, elems.wmm_param,
elems.wmm_param_len);
}
if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) {
if (directed_tim) {
if (local->hw.conf.dynamic_ps_timeout > 0) {
@ -2473,6 +2461,13 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
ifmgd->beacon_crc = ncrc;
ifmgd->beacon_crc_valid = true;
ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems,
true);
if (ieee80211_sta_wmm_params(local, sdata, elems.wmm_param,
elems.wmm_param_len))
changed |= BSS_CHANGED_QOS;
if (elems.erp_info && elems.erp_info_len >= 1) {
erp_valid = true;
erp_value = elems.erp_info[0];
@ -2974,7 +2969,7 @@ void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata)
/* scan finished notification */
void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local)
{
struct ieee80211_sub_if_data *sdata = local->scan_sdata;
struct ieee80211_sub_if_data *sdata;
/* Restart STA timers */
rcu_read_lock();
@ -3132,9 +3127,15 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
memcpy(ifmgd->bssid, cbss->bssid, ETH_ALEN);
/* tell driver about BSSID and basic rates */
/* set timing information */
sdata->vif.bss_conf.beacon_int = cbss->beacon_interval;
sdata->vif.bss_conf.sync_tsf = cbss->tsf;
sdata->vif.bss_conf.sync_device_ts = bss->device_ts;
/* tell driver about BSSID, basic rates and timing */
ieee80211_bss_info_change_notify(sdata,
BSS_CHANGED_BSSID | BSS_CHANGED_BASIC_RATES);
BSS_CHANGED_BSSID | BSS_CHANGED_BASIC_RATES |
BSS_CHANGED_BEACON_INT);
if (assoc)
sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);

6
net/mac80211/offchannel.c
View File

@ -191,7 +191,7 @@ void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc)
roc->frame = NULL;
}
} else {
cfg80211_ready_on_channel(roc->sdata->dev, (unsigned long)roc,
cfg80211_ready_on_channel(&roc->sdata->wdev, (unsigned long)roc,
roc->chan, roc->chan_type,
roc->req_duration, GFP_KERNEL);
}
@ -299,7 +299,7 @@ void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc)
/* was never transmitted */
if (roc->frame) {
cfg80211_mgmt_tx_status(roc->sdata->dev,
cfg80211_mgmt_tx_status(&roc->sdata->wdev,
(unsigned long)roc->frame,
roc->frame->data, roc->frame->len,
false, GFP_KERNEL);
@ -307,7 +307,7 @@ void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc)
}
if (!roc->mgmt_tx_cookie)
cfg80211_remain_on_channel_expired(roc->sdata->dev,
cfg80211_remain_on_channel_expired(&roc->sdata->wdev,
(unsigned long)roc,
roc->chan, roc->chan_type,
GFP_KERNEL);

8
net/mac80211/rc80211_minstrel_ht.c
View File

@ -626,8 +626,12 @@ minstrel_ht_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta,
#ifdef CONFIG_MAC80211_DEBUGFS
/* use fixed index if set */
if (mp->fixed_rate_idx != -1)
sample_idx = mp->fixed_rate_idx;
if (mp->fixed_rate_idx != -1) {
mi->max_tp_rate = mp->fixed_rate_idx;
mi->max_tp_rate2 = mp->fixed_rate_idx;
mi->max_prob_rate = mp->fixed_rate_idx;
sample_idx = -1;
}
#endif
if (sample_idx >= 0) {

49
net/mac80211/rx.c
View File

@ -413,29 +413,6 @@ static void ieee80211_verify_alignment(struct ieee80211_rx_data *rx)
/* rx handlers */
static ieee80211_rx_result debug_noinline
ieee80211_rx_h_passive_scan(struct ieee80211_rx_data *rx)
{
struct ieee80211_local *local = rx->local;
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);
struct sk_buff *skb = rx->skb;
if (likely(!(status->rx_flags & IEEE80211_RX_IN_SCAN) &&
!local->sched_scanning))
return RX_CONTINUE;
if (test_bit(SCAN_HW_SCANNING, &local->scanning) ||
test_bit(SCAN_SW_SCANNING, &local->scanning) ||
test_bit(SCAN_ONCHANNEL_SCANNING, &local->scanning) ||
local->sched_scanning)
return ieee80211_scan_rx(rx->sdata, skb);
/* scanning finished during invoking of handlers */
I802_DEBUG_INC(local->rx_handlers_drop_passive_scan);
return RX_DROP_UNUSABLE;
}
static int ieee80211_is_unicast_robust_mgmt_frame(struct sk_buff *skb)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
@ -2404,7 +2381,7 @@ ieee80211_rx_h_userspace_mgmt(struct ieee80211_rx_data *rx)
if (rx->local->hw.flags & IEEE80211_HW_SIGNAL_DBM)
sig = status->signal;
if (cfg80211_rx_mgmt(rx->sdata->dev, status->freq, sig,
if (cfg80211_rx_mgmt(&rx->sdata->wdev, status->freq, sig,
rx->skb->data, rx->skb->len,
GFP_ATOMIC)) {
if (rx->sta)
@ -2695,7 +2672,6 @@ static void ieee80211_invoke_rx_handlers(struct ieee80211_rx_data *rx)
goto rxh_next; \
} while (0);
CALL_RXH(ieee80211_rx_h_passive_scan)
CALL_RXH(ieee80211_rx_h_check)
ieee80211_rx_reorder_ampdu(rx);
@ -2765,11 +2741,8 @@ static int prepare_for_handlers(struct ieee80211_rx_data *rx,
return 0;
if (ieee80211_is_beacon(hdr->frame_control)) {
return 1;
}
else if (!ieee80211_bssid_match(bssid, sdata->u.ibss.bssid)) {
if (!(status->rx_flags & IEEE80211_RX_IN_SCAN))
return 0;
status->rx_flags &= ~IEEE80211_RX_RA_MATCH;
} else if (!ieee80211_bssid_match(bssid, sdata->u.ibss.bssid)) {
return 0;
} else if (!multicast &&
!ether_addr_equal(sdata->vif.addr, hdr->addr1)) {
if (!(sdata->dev->flags & IFF_PROMISC))
@ -2807,11 +2780,9 @@ static int prepare_for_handlers(struct ieee80211_rx_data *rx,
* and location updates. Note that mac80211
* itself never looks at these frames.
*/
if (!(status->rx_flags & IEEE80211_RX_IN_SCAN) &&
ieee80211_is_public_action(hdr, skb->len))
if (ieee80211_is_public_action(hdr, skb->len))
return 1;
if (!(status->rx_flags & IEEE80211_RX_IN_SCAN) &&
!ieee80211_is_beacon(hdr->frame_control))
if (!ieee80211_is_beacon(hdr->frame_control))
return 0;
status->rx_flags &= ~IEEE80211_RX_RA_MATCH;
}
@ -2877,7 +2848,6 @@ static bool ieee80211_prepare_and_rx_handle(struct ieee80211_rx_data *rx,
static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
struct sk_buff *skb)
{
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
struct ieee80211_local *local = hw_to_local(hw);
struct ieee80211_sub_if_data *sdata;
struct ieee80211_hdr *hdr;
@ -2895,11 +2865,6 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
if (ieee80211_is_data(fc) || ieee80211_is_mgmt(fc))
local->dot11ReceivedFragmentCount++;
if (unlikely(test_bit(SCAN_HW_SCANNING, &local->scanning) ||
test_bit(SCAN_ONCHANNEL_SCANNING, &local->scanning) ||
test_bit(SCAN_SW_SCANNING, &local->scanning)))
status->rx_flags |= IEEE80211_RX_IN_SCAN;
if (ieee80211_is_mgmt(fc))
err = skb_linearize(skb);
else
@ -2914,6 +2879,10 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
ieee80211_parse_qos(&rx);
ieee80211_verify_alignment(&rx);
if (unlikely(ieee80211_is_probe_resp(hdr->frame_control) ||
ieee80211_is_beacon(hdr->frame_control)))
ieee80211_scan_rx(local, skb);
if (ieee80211_is_data(fc)) {
prev_sta = NULL;

116
net/mac80211/scan.c
View File

@ -83,13 +83,14 @@ ieee80211_bss_info_update(struct ieee80211_local *local,
cbss = cfg80211_inform_bss_frame(local->hw.wiphy, channel,
mgmt, len, signal, GFP_ATOMIC);
if (!cbss)
return NULL;
cbss->free_priv = ieee80211_rx_bss_free;
bss = (void *)cbss->priv;
bss->device_ts = rx_status->device_timestamp;
if (elems->parse_error) {
if (beacon)
bss->corrupt_data |= IEEE80211_BSS_CORRUPT_BEACON;
@ -165,52 +166,47 @@ ieee80211_bss_info_update(struct ieee80211_local *local,
return bss;
}
ieee80211_rx_result
ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb)
void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb)
{
struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb);
struct ieee80211_mgmt *mgmt;
struct ieee80211_sub_if_data *sdata1, *sdata2;
struct ieee80211_mgmt *mgmt = (void *)skb->data;
struct ieee80211_bss *bss;
u8 *elements;
struct ieee80211_channel *channel;
size_t baselen;
int freq;
__le16 fc;
bool presp, beacon = false;
bool beacon;
struct ieee802_11_elems elems;
if (skb->len < 2)
return RX_DROP_UNUSABLE;
if (skb->len < 24 ||
(!ieee80211_is_probe_resp(mgmt->frame_control) &&
!ieee80211_is_beacon(mgmt->frame_control)))
return;
mgmt = (struct ieee80211_mgmt *) skb->data;
fc = mgmt->frame_control;
sdata1 = rcu_dereference(local->scan_sdata);
sdata2 = rcu_dereference(local->sched_scan_sdata);
if (ieee80211_is_ctl(fc))
return RX_CONTINUE;
if (likely(!sdata1 && !sdata2))
return;
if (skb->len < 24)
return RX_CONTINUE;
presp = ieee80211_is_probe_resp(fc);
if (presp) {
if (ieee80211_is_probe_resp(mgmt->frame_control)) {
/* ignore ProbeResp to foreign address */
if (!ether_addr_equal(mgmt->da, sdata->vif.addr))
return RX_DROP_MONITOR;
if ((!sdata1 || !ether_addr_equal(mgmt->da, sdata1->vif.addr)) &&
(!sdata2 || !ether_addr_equal(mgmt->da, sdata2->vif.addr)))
return;
presp = true;
elements = mgmt->u.probe_resp.variable;
baselen = offsetof(struct ieee80211_mgmt, u.probe_resp.variable);
beacon = false;
} else {
beacon = ieee80211_is_beacon(fc);
baselen = offsetof(struct ieee80211_mgmt, u.beacon.variable);
elements = mgmt->u.beacon.variable;
beacon = true;
}
if (!presp && !beacon)
return RX_CONTINUE;
if (baselen > skb->len)
return RX_DROP_MONITOR;
return;
ieee802_11_parse_elems(elements, skb->len - baselen, &elems);
@ -220,22 +216,16 @@ ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb)
else
freq = rx_status->freq;
channel = ieee80211_get_channel(sdata->local->hw.wiphy, freq);
channel = ieee80211_get_channel(local->hw.wiphy, freq);
if (!channel || channel->flags & IEEE80211_CHAN_DISABLED)
return RX_DROP_MONITOR;
return;
bss = ieee80211_bss_info_update(sdata->local, rx_status,
bss = ieee80211_bss_info_update(local, rx_status,
mgmt, skb->len, &elems,
channel, beacon);
if (bss)
ieee80211_rx_bss_put(sdata->local, bss);
if (channel == sdata->local->oper_channel)
return RX_CONTINUE;
dev_kfree_skb(skb);
return RX_QUEUED;
ieee80211_rx_bss_put(local, bss);
}
/* return false if no more work */
@ -293,7 +283,13 @@ static void __ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted,
return;
if (was_hw_scan && !aborted && ieee80211_prep_hw_scan(local)) {
int rc = drv_hw_scan(local, local->scan_sdata, local->hw_scan_req);
int rc;
rc = drv_hw_scan(local,
rcu_dereference_protected(local->scan_sdata,
lockdep_is_held(&local->mtx)),
local->hw_scan_req);
if (rc == 0)
return;
}
@ -394,7 +390,10 @@ void ieee80211_run_deferred_scan(struct ieee80211_local *local)
if (!local->scan_req || local->scanning)
return;
if (!ieee80211_can_scan(local, local->scan_sdata))
if (!ieee80211_can_scan(local,
rcu_dereference_protected(
local->scan_sdata,
lockdep_is_held(&local->mtx))))
return;
ieee80211_queue_delayed_work(&local->hw, &local->scan_work,
@ -405,9 +404,12 @@ static void ieee80211_scan_state_send_probe(struct ieee80211_local *local,
unsigned long *next_delay)
{
int i;
struct ieee80211_sub_if_data *sdata = local->scan_sdata;
struct ieee80211_sub_if_data *sdata;
enum ieee80211_band band = local->hw.conf.channel->band;
sdata = rcu_dereference_protected(local->scan_sdata,
lockdep_is_held(&local->mtx));;
for (i = 0; i < local->scan_req->n_ssids; i++)
ieee80211_send_probe_req(
sdata, NULL,
@ -439,7 +441,7 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
if (!ieee80211_can_scan(local, sdata)) {
/* wait for the work to finish/time out */
local->scan_req = req;
local->scan_sdata = sdata;
rcu_assign_pointer(local->scan_sdata, sdata);
return 0;
}
@ -473,7 +475,7 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
}
local->scan_req = req;
local->scan_sdata = sdata;
rcu_assign_pointer(local->scan_sdata, sdata);
if (local->ops->hw_scan) {
__set_bit(SCAN_HW_SCANNING, &local->scanning);
@ -533,7 +535,7 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
ieee80211_recalc_idle(local);
local->scan_req = NULL;
local->scan_sdata = NULL;
rcu_assign_pointer(local->scan_sdata, NULL);
}
return rc;
@ -720,7 +722,8 @@ void ieee80211_scan_work(struct work_struct *work)
mutex_lock(&local->mtx);
sdata = local->scan_sdata;
sdata = rcu_dereference_protected(local->scan_sdata,
lockdep_is_held(&local->mtx));
/* When scanning on-channel, the first-callback means completed. */
if (test_bit(SCAN_ONCHANNEL_SCANNING, &local->scanning)) {
@ -741,7 +744,7 @@ void ieee80211_scan_work(struct work_struct *work)
int rc;
local->scan_req = NULL;
local->scan_sdata = NULL;
rcu_assign_pointer(local->scan_sdata, NULL);
rc = __ieee80211_start_scan(sdata, req);
if (rc) {
@ -893,7 +896,9 @@ void ieee80211_scan_cancel(struct ieee80211_local *local)
if (test_bit(SCAN_HW_SCANNING, &local->scanning)) {
if (local->ops->cancel_hw_scan)
drv_cancel_hw_scan(local, local->scan_sdata);
drv_cancel_hw_scan(local,
rcu_dereference_protected(local->scan_sdata,
lockdep_is_held(&local->mtx)));
goto out;
}
@ -915,9 +920,9 @@ int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
struct ieee80211_local *local = sdata->local;
int ret, i;
mutex_lock(&sdata->local->mtx);
mutex_lock(&local->mtx);
if (local->sched_scanning) {
if (rcu_access_pointer(local->sched_scan_sdata)) {
ret = -EBUSY;
goto out;
}
@ -928,6 +933,9 @@ int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
}
for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
if (!local->hw.wiphy->bands[i])
continue;
local->sched_scan_ies.ie[i] = kzalloc(2 +
IEEE80211_MAX_SSID_LEN +
local->scan_ies_len +
@ -948,7 +956,7 @@ int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
ret = drv_sched_scan_start(local, sdata, req,
&local->sched_scan_ies);
if (ret == 0) {
local->sched_scanning = true;
rcu_assign_pointer(local->sched_scan_sdata, sdata);
goto out;
}
@ -956,7 +964,7 @@ int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
while (i > 0)
kfree(local->sched_scan_ies.ie[--i]);
out:
mutex_unlock(&sdata->local->mtx);
mutex_unlock(&local->mtx);
return ret;
}
@ -965,22 +973,22 @@ int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata)
struct ieee80211_local *local = sdata->local;
int ret = 0, i;
mutex_lock(&sdata->local->mtx);
mutex_lock(&local->mtx);
if (!local->ops->sched_scan_stop) {
ret = -ENOTSUPP;
goto out;
}
if (local->sched_scanning) {
if (rcu_access_pointer(local->sched_scan_sdata)) {
for (i = 0; i < IEEE80211_NUM_BANDS; i++)
kfree(local->sched_scan_ies.ie[i]);
drv_sched_scan_stop(local, sdata);
local->sched_scanning = false;
rcu_assign_pointer(local->sched_scan_sdata, NULL);
}
out:
mutex_unlock(&sdata->local->mtx);
mutex_unlock(&local->mtx);
return ret;
}
@ -1004,7 +1012,7 @@ void ieee80211_sched_scan_stopped_work(struct work_struct *work)
mutex_lock(&local->mtx);
if (!local->sched_scanning) {
if (!rcu_access_pointer(local->sched_scan_sdata)) {
mutex_unlock(&local->mtx);
return;
}
@ -1012,7 +1020,7 @@ void ieee80211_sched_scan_stopped_work(struct work_struct *work)
for (i = 0; i < IEEE80211_NUM_BANDS; i++)
kfree(local->sched_scan_ies.ie[i]);
local->sched_scanning = false;
rcu_assign_pointer(local->sched_scan_sdata, NULL);
mutex_unlock(&local->mtx);

9
net/mac80211/status.c
View File

@ -519,14 +519,19 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
u64 cookie = (unsigned long)skb;
acked = info->flags & IEEE80211_TX_STAT_ACK;
/*
* TODO: When we have non-netdev frame TX,
* we cannot use skb->dev->ieee80211_ptr
*/
if (ieee80211_is_nullfunc(hdr->frame_control) ||
ieee80211_is_qos_nullfunc(hdr->frame_control))
cfg80211_probe_status(skb->dev, hdr->addr1,
cookie, acked, GFP_ATOMIC);
else
cfg80211_mgmt_tx_status(
skb->dev, cookie, skb->data, skb->len,
acked, GFP_ATOMIC);
skb->dev->ieee80211_ptr, cookie, skb->data,
skb->len, acked, GFP_ATOMIC);
}
if (unlikely(info->ack_frame_id)) {

6
net/mac80211/trace.h
View File

@ -306,7 +306,8 @@ TRACE_EVENT(drv_bss_info_changed,
__field(u8, dtimper)
__field(u16, bcnint)
__field(u16, assoc_cap)
__field(u64, timestamp)
__field(u64, sync_tsf)
__field(u32, sync_device_ts)
__field(u32, basic_rates)
__field(u32, changed)
__field(bool, enable_beacon)
@ -325,7 +326,8 @@ TRACE_EVENT(drv_bss_info_changed,
__entry->dtimper = info->dtim_period;
__entry->bcnint = info->beacon_int;
__entry->assoc_cap = info->assoc_capability;
__entry->timestamp = info->last_tsf;
__entry->sync_tsf = info->sync_tsf;
__entry->sync_device_ts = info->sync_device_ts;
__entry->basic_rates = info->basic_rates;
__entry->enable_beacon = info->enable_beacon;
__entry->ht_operation_mode = info->ht_operation_mode;

25
net/mac80211/tx.c
View File

@ -523,7 +523,7 @@ ieee80211_tx_h_check_control_port_protocol(struct ieee80211_tx_data *tx)
static ieee80211_tx_result debug_noinline
ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx)
{
struct ieee80211_key *key = NULL;
struct ieee80211_key *key;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data;
@ -542,16 +542,23 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx)
else if (!is_multicast_ether_addr(hdr->addr1) &&
(key = rcu_dereference(tx->sdata->default_unicast_key)))
tx->key = key;
else if (tx->sdata->drop_unencrypted &&
(tx->skb->protocol != tx->sdata->control_port_protocol) &&
!(info->flags & IEEE80211_TX_CTL_INJECTED) &&
(!ieee80211_is_robust_mgmt_frame(hdr) ||
(ieee80211_is_action(hdr->frame_control) &&
tx->sta && test_sta_flag(tx->sta, WLAN_STA_MFP)))) {
else if (info->flags & IEEE80211_TX_CTL_INJECTED)
tx->key = NULL;
else if (!tx->sdata->drop_unencrypted)
tx->key = NULL;
else if (tx->skb->protocol == tx->sdata->control_port_protocol)
tx->key = NULL;
else if (ieee80211_is_robust_mgmt_frame(hdr) &&
!(ieee80211_is_action(hdr->frame_control) &&
tx->sta && test_sta_flag(tx->sta, WLAN_STA_MFP)))
tx->key = NULL;
else if (ieee80211_is_mgmt(hdr->frame_control) &&
!ieee80211_is_robust_mgmt_frame(hdr))
tx->key = NULL;
else {
I802_DEBUG_INC(tx->local->tx_handlers_drop_unencrypted);
return TX_DROP;
} else
tx->key = NULL;
}
if (tx->key) {
bool skip_hw = false;

11
net/mac80211/util.c
View File

@ -529,6 +529,11 @@ void ieee80211_iterate_active_interfaces(
&sdata->vif);
}
sdata = rcu_dereference_protected(local->monitor_sdata,
lockdep_is_held(&local->iflist_mtx));
if (sdata)
iterator(data, sdata->vif.addr, &sdata->vif);
mutex_unlock(&local->iflist_mtx);
}
EXPORT_SYMBOL_GPL(ieee80211_iterate_active_interfaces);
@ -557,6 +562,10 @@ void ieee80211_iterate_active_interfaces_atomic(
&sdata->vif);
}
sdata = rcu_dereference(local->monitor_sdata);
if (sdata)
iterator(data, sdata->vif.addr, &sdata->vif);
rcu_read_unlock();
}
EXPORT_SYMBOL_GPL(ieee80211_iterate_active_interfaces_atomic);
@ -999,6 +1008,8 @@ int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
int ext_rates_len;
sband = local->hw.wiphy->bands[band];
if (WARN_ON_ONCE(!sband))
return 0;
pos = buffer;

4
net/wireless/chan.c
View File

@ -103,15 +103,13 @@ int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev,
}
void
cfg80211_get_chan_state(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev,
cfg80211_get_chan_state(struct wireless_dev *wdev,
struct ieee80211_channel **chan,
enum cfg80211_chan_mode *chanmode)
{
*chan = NULL;
*chanmode = CHAN_MODE_UNDEFINED;
ASSERT_RDEV_LOCK(rdev);
ASSERT_WDEV_LOCK(wdev);
if (!netif_running(wdev->netdev))

27
net/wireless/core.c
View File

@ -176,7 +176,9 @@ int cfg80211_switch_netns(struct cfg80211_registered_device *rdev,
if (!(rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK))
return -EOPNOTSUPP;
list_for_each_entry(wdev, &rdev->netdev_list, list) {
list_for_each_entry(wdev, &rdev->wdev_list, list) {
if (!wdev->netdev)
continue;
wdev->netdev->features &= ~NETIF_F_NETNS_LOCAL;
err = dev_change_net_namespace(wdev->netdev, net, "wlan%d");
if (err)
@ -188,8 +190,10 @@ int cfg80211_switch_netns(struct cfg80211_registered_device *rdev,
/* failed -- clean up to old netns */
net = wiphy_net(&rdev->wiphy);
list_for_each_entry_continue_reverse(wdev, &rdev->netdev_list,
list_for_each_entry_continue_reverse(wdev, &rdev->wdev_list,
list) {
if (!wdev->netdev)
continue;
wdev->netdev->features &= ~NETIF_F_NETNS_LOCAL;
err = dev_change_net_namespace(wdev->netdev, net,
"wlan%d");
@ -226,8 +230,9 @@ static int cfg80211_rfkill_set_block(void *data, bool blocked)
rtnl_lock();
mutex_lock(&rdev->devlist_mtx);
list_for_each_entry(wdev, &rdev->netdev_list, list)
dev_close(wdev->netdev);
list_for_each_entry(wdev, &rdev->wdev_list, list)
if (wdev->netdev)
dev_close(wdev->netdev);
mutex_unlock(&rdev->devlist_mtx);
rtnl_unlock();
@ -304,7 +309,7 @@ struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv)
mutex_init(&rdev->mtx);
mutex_init(&rdev->devlist_mtx);
mutex_init(&rdev->sched_scan_mtx);
INIT_LIST_HEAD(&rdev->netdev_list);
INIT_LIST_HEAD(&rdev->wdev_list);
spin_lock_init(&rdev->bss_lock);
INIT_LIST_HEAD(&rdev->bss_list);
INIT_WORK(&rdev->scan_done_wk, __cfg80211_scan_done);
@ -622,7 +627,7 @@ void wiphy_unregister(struct wiphy *wiphy)
__count == 0; }));
mutex_lock(&rdev->devlist_mtx);
BUG_ON(!list_empty(&rdev->netdev_list));
BUG_ON(!list_empty(&rdev->wdev_list));
mutex_unlock(&rdev->devlist_mtx);
/*
@ -703,7 +708,7 @@ static void wdev_cleanup_work(struct work_struct *work)
cfg80211_lock_rdev(rdev);
if (WARN_ON(rdev->scan_req && rdev->scan_req->dev == wdev->netdev)) {
if (WARN_ON(rdev->scan_req && rdev->scan_req->wdev == wdev)) {
rdev->scan_req->aborted = true;
___cfg80211_scan_done(rdev, true);
}
@ -774,8 +779,9 @@ void cfg80211_update_iface_num(struct cfg80211_registered_device *rdev,
has_monitors_only_new = cfg80211_has_monitors_only(rdev);
if (has_monitors_only_new != has_monitors_only_old) {
rdev->ops->set_monitor_enabled(&rdev->wiphy,
has_monitors_only_new);
if (rdev->ops->set_monitor_enabled)
rdev->ops->set_monitor_enabled(&rdev->wiphy,
has_monitors_only_new);
if (!has_monitors_only_new) {
rdev->monitor_channel = NULL;
@ -820,7 +826,8 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
spin_lock_init(&wdev->mgmt_registrations_lock);
mutex_lock(&rdev->devlist_mtx);
list_add_rcu(&wdev->list, &rdev->netdev_list);
wdev->identifier = ++rdev->wdev_id;
list_add_rcu(&wdev->list, &rdev->wdev_list);
rdev->devlist_generation++;
/* can only change netns with wiphy */
dev->features |= NETIF_F_NETNS_LOCAL;

11
net/wireless/core.h
View File

@ -47,11 +47,11 @@ struct cfg80211_registered_device {
/* wiphy index, internal only */
int wiphy_idx;
/* associate netdev list */
/* associated wireless interfaces */
struct mutex devlist_mtx;
/* protected by devlist_mtx or RCU */
struct list_head netdev_list;
int devlist_generation;
struct list_head wdev_list;
int devlist_generation, wdev_id;
int opencount; /* also protected by devlist_mtx */
wait_queue_head_t dev_wait;
@ -372,7 +372,7 @@ int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid,
void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid);
void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev);
int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
struct net_device *dev,
struct wireless_dev *wdev,
struct ieee80211_channel *chan, bool offchan,
enum nl80211_channel_type channel_type,
bool channel_type_valid, unsigned int wait,
@ -463,8 +463,7 @@ cfg80211_can_use_chan(struct cfg80211_registered_device *rdev,
}
void
cfg80211_get_chan_state(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev,
cfg80211_get_chan_state(struct wireless_dev *wdev,
struct ieee80211_channel **chan,
enum cfg80211_chan_mode *chanmode);

34
net/wireless/mlme.c
View File

@ -567,29 +567,28 @@ void cfg80211_mlme_down(struct cfg80211_registered_device *rdev,
}
}
void cfg80211_ready_on_channel(struct net_device *dev, u64 cookie,
void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type,
unsigned int duration, gfp_t gfp)
{
struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
nl80211_send_remain_on_channel(rdev, dev, cookie, chan, channel_type,
nl80211_send_remain_on_channel(rdev, wdev, cookie, chan, channel_type,
duration, gfp);
}
EXPORT_SYMBOL(cfg80211_ready_on_channel);
void cfg80211_remain_on_channel_expired(struct net_device *dev,
u64 cookie,
void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type,
gfp_t gfp)
{
struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
nl80211_send_remain_on_channel_cancel(rdev, dev, cookie, chan,
nl80211_send_remain_on_channel_cancel(rdev, wdev, cookie, chan,
channel_type, gfp);
}
EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
@ -678,8 +677,7 @@ int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid,
list_add(&nreg->list, &wdev->mgmt_registrations);
if (rdev->ops->mgmt_frame_register)
rdev->ops->mgmt_frame_register(wiphy, wdev->netdev,
frame_type, true);
rdev->ops->mgmt_frame_register(wiphy, wdev, frame_type, true);
out:
spin_unlock_bh(&wdev->mgmt_registrations_lock);
@ -702,7 +700,7 @@ void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid)
if (rdev->ops->mgmt_frame_register) {
u16 frame_type = le16_to_cpu(reg->frame_type);
rdev->ops->mgmt_frame_register(wiphy, wdev->netdev,
rdev->ops->mgmt_frame_register(wiphy, wdev,
frame_type, false);
}
@ -731,14 +729,14 @@ void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev)
}
int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
struct net_device *dev,
struct wireless_dev *wdev,
struct ieee80211_channel *chan, bool offchan,
enum nl80211_channel_type channel_type,
bool channel_type_valid, unsigned int wait,
const u8 *buf, size_t len, bool no_cck,
bool dont_wait_for_ack, u64 *cookie)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct net_device *dev = wdev->netdev;
const struct ieee80211_mgmt *mgmt;
u16 stype;
@ -825,16 +823,15 @@ int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
return -EINVAL;
/* Transmit the Action frame as requested by user space */
return rdev->ops->mgmt_tx(&rdev->wiphy, dev, chan, offchan,
return rdev->ops->mgmt_tx(&rdev->wiphy, wdev, chan, offchan,
channel_type, channel_type_valid,
wait, buf, len, no_cck, dont_wait_for_ack,
cookie);
}
bool cfg80211_rx_mgmt(struct net_device *dev, int freq, int sig_mbm,
bool cfg80211_rx_mgmt(struct wireless_dev *wdev, int freq, int sig_mbm,
const u8 *buf, size_t len, gfp_t gfp)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
struct cfg80211_mgmt_registration *reg;
@ -871,7 +868,7 @@ bool cfg80211_rx_mgmt(struct net_device *dev, int freq, int sig_mbm,
/* found match! */
/* Indicate the received Action frame to user space */
if (nl80211_send_mgmt(rdev, dev, reg->nlpid,
if (nl80211_send_mgmt(rdev, wdev, reg->nlpid,
freq, sig_mbm,
buf, len, gfp))
continue;
@ -886,15 +883,14 @@ bool cfg80211_rx_mgmt(struct net_device *dev, int freq, int sig_mbm,
}
EXPORT_SYMBOL(cfg80211_rx_mgmt);
void cfg80211_mgmt_tx_status(struct net_device *dev, u64 cookie,
void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
const u8 *buf, size_t len, bool ack, gfp_t gfp)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
/* Indicate TX status of the Action frame to user space */
nl80211_send_mgmt_tx_status(rdev, dev, cookie, buf, len, ack, gfp);
nl80211_send_mgmt_tx_status(rdev, wdev, cookie, buf, len, ack, gfp);
}
EXPORT_SYMBOL(cfg80211_mgmt_tx_status);

383
net/wireless/nl80211.c
View File

@ -46,28 +46,60 @@ static struct genl_family nl80211_fam = {
.post_doit = nl80211_post_doit,
};
/* internal helper: get rdev and dev */
static int get_rdev_dev_by_ifindex(struct net *netns, struct nlattr **attrs,
struct cfg80211_registered_device **rdev,
struct net_device **dev)
/* returns ERR_PTR values */
static struct wireless_dev *
__cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs)
{
int ifindex;
struct cfg80211_registered_device *rdev;
struct wireless_dev *result = NULL;
bool have_ifidx = attrs[NL80211_ATTR_IFINDEX];
bool have_wdev_id = attrs[NL80211_ATTR_WDEV];
u64 wdev_id;
int wiphy_idx = -1;
int ifidx = -1;
if (!attrs[NL80211_ATTR_IFINDEX])
return -EINVAL;
assert_cfg80211_lock();
ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
*dev = dev_get_by_index(netns, ifindex);
if (!*dev)
return -ENODEV;
if (!have_ifidx && !have_wdev_id)
return ERR_PTR(-EINVAL);
*rdev = cfg80211_get_dev_from_ifindex(netns, ifindex);
if (IS_ERR(*rdev)) {
dev_put(*dev);
return PTR_ERR(*rdev);
if (have_ifidx)
ifidx = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
if (have_wdev_id) {
wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
wiphy_idx = wdev_id >> 32;
}
return 0;
list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
struct wireless_dev *wdev;
if (wiphy_net(&rdev->wiphy) != netns)
continue;
if (have_wdev_id && rdev->wiphy_idx != wiphy_idx)
continue;
mutex_lock(&rdev->devlist_mtx);
list_for_each_entry(wdev, &rdev->wdev_list, list) {
if (have_ifidx && wdev->netdev &&
wdev->netdev->ifindex == ifidx) {
result = wdev;
break;
}
if (have_wdev_id && wdev->identifier == (u32)wdev_id) {
result = wdev;
break;
}
}
mutex_unlock(&rdev->devlist_mtx);
if (result)
break;
}
if (result)
return result;
return ERR_PTR(-ENODEV);
}
static struct cfg80211_registered_device *
@ -79,13 +111,40 @@ __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs)
assert_cfg80211_lock();
if (!attrs[NL80211_ATTR_WIPHY] &&
!attrs[NL80211_ATTR_IFINDEX])
!attrs[NL80211_ATTR_IFINDEX] &&
!attrs[NL80211_ATTR_WDEV])
return ERR_PTR(-EINVAL);
if (attrs[NL80211_ATTR_WIPHY])
rdev = cfg80211_rdev_by_wiphy_idx(
nla_get_u32(attrs[NL80211_ATTR_WIPHY]));
if (attrs[NL80211_ATTR_WDEV]) {
u64 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
struct wireless_dev *wdev;
bool found = false;
tmp = cfg80211_rdev_by_wiphy_idx(wdev_id >> 32);
if (tmp) {
/* make sure wdev exists */
mutex_lock(&tmp->devlist_mtx);
list_for_each_entry(wdev, &tmp->wdev_list, list) {
if (wdev->identifier != (u32)wdev_id)
continue;
found = true;
break;
}
mutex_unlock(&tmp->devlist_mtx);
if (!found)
tmp = NULL;
if (rdev && tmp != rdev)
return ERR_PTR(-EINVAL);
rdev = tmp;
}
}
if (attrs[NL80211_ATTR_IFINDEX]) {
int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
netdev = dev_get_by_index(netns, ifindex);
@ -294,6 +353,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
[NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 },
[NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 },
[NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 },
[NL80211_ATTR_WDEV] = { .type = NLA_U64 },
};
/* policy for the key attributes */
@ -1668,22 +1728,32 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
return result;
}
static inline u64 wdev_id(struct wireless_dev *wdev)
{
return (u64)wdev->identifier |
((u64)wiphy_to_dev(wdev->wiphy)->wiphy_idx << 32);
}
static int nl80211_send_iface(struct sk_buff *msg, u32 pid, u32 seq, int flags,
struct cfg80211_registered_device *rdev,
struct net_device *dev)
struct wireless_dev *wdev)
{
struct net_device *dev = wdev->netdev;
void *hdr;
hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_INTERFACE);
if (!hdr)
return -1;
if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name) ||
nla_put_u32(msg, NL80211_ATTR_IFTYPE,
dev->ieee80211_ptr->iftype) ||
if (dev &&
(nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name) ||
nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dev->dev_addr)))
goto nla_put_failure;
if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) ||
nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) ||
nla_put_u32(msg, NL80211_ATTR_GENERATION,
rdev->devlist_generation ^
(cfg80211_rdev_list_generation << 2)))
@ -1724,14 +1794,14 @@ static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *
if_idx = 0;
mutex_lock(&rdev->devlist_mtx);
list_for_each_entry(wdev, &rdev->netdev_list, list) {
list_for_each_entry(wdev, &rdev->wdev_list, list) {
if (if_idx < if_start) {
if_idx++;
continue;
}
if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).pid,
cb->nlh->nlmsg_seq, NLM_F_MULTI,
rdev, wdev->netdev) < 0) {
rdev, wdev) < 0) {
mutex_unlock(&rdev->devlist_mtx);
goto out;
}
@ -1754,14 +1824,14 @@ static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
{
struct sk_buff *msg;
struct cfg80211_registered_device *dev = info->user_ptr[0];
struct net_device *netdev = info->user_ptr[1];
struct wireless_dev *wdev = info->user_ptr[1];
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
if (!msg)
return -ENOMEM;
if (nl80211_send_iface(msg, info->snd_pid, info->snd_seq, 0,
dev, netdev) < 0) {
dev, wdev) < 0) {
nlmsg_free(msg);
return -ENOBUFS;
}
@ -1901,7 +1971,8 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct vif_params params;
struct net_device *dev;
struct wireless_dev *wdev;
struct sk_buff *msg;
int err;
enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
u32 flags;
@ -1928,19 +1999,23 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
return err;
}
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
if (!msg)
return -ENOMEM;
err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ?
info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL,
&flags);
dev = rdev->ops->add_virtual_intf(&rdev->wiphy,
wdev = rdev->ops->add_virtual_intf(&rdev->wiphy,
nla_data(info->attrs[NL80211_ATTR_IFNAME]),
type, err ? NULL : &flags, &params);
if (IS_ERR(dev))
return PTR_ERR(dev);
if (IS_ERR(wdev)) {
nlmsg_free(msg);
return PTR_ERR(wdev);
}
if (type == NL80211_IFTYPE_MESH_POINT &&
info->attrs[NL80211_ATTR_MESH_ID]) {
struct wireless_dev *wdev = dev->ieee80211_ptr;
wdev_lock(wdev);
BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
IEEE80211_MAX_MESH_ID_LEN);
@ -1951,18 +2026,34 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
wdev_unlock(wdev);
}
return 0;
if (nl80211_send_iface(msg, info->snd_pid, info->snd_seq, 0,
rdev, wdev) < 0) {
nlmsg_free(msg);
return -ENOBUFS;
}
return genlmsg_reply(msg, info);
}
static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct net_device *dev = info->user_ptr[1];
struct wireless_dev *wdev = info->user_ptr[1];
if (!rdev->ops->del_virtual_intf)
return -EOPNOTSUPP;
return rdev->ops->del_virtual_intf(&rdev->wiphy, dev);
/*
* If we remove a wireless device without a netdev then clear
* user_ptr[1] so that nl80211_post_doit won't dereference it
* to check if it needs to do dev_put(). Otherwise it crashes
* since the wdev has been freed, unlike with a netdev where
* we need the dev_put() for the netdev to really be freed.
*/
if (!wdev->netdev)
info->user_ptr[1] = NULL;
return rdev->ops->del_virtual_intf(&rdev->wiphy, wdev);
}
static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
@ -2350,7 +2441,7 @@ static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
mutex_lock(&rdev->devlist_mtx);
list_for_each_entry(wdev, &rdev->netdev_list, list) {
list_for_each_entry(wdev, &rdev->wdev_list, list) {
if (wdev->iftype != NL80211_IFTYPE_AP &&
wdev->iftype != NL80211_IFTYPE_P2P_GO)
continue;
@ -4039,7 +4130,7 @@ static int validate_scan_freqs(struct nlattr *freqs)
static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct net_device *dev = info->user_ptr[1];
struct wireless_dev *wdev = info->user_ptr[1];
struct cfg80211_scan_request *request;
struct nlattr *attr;
struct wiphy *wiphy;
@ -4199,15 +4290,16 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
request->no_cck =
nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
request->dev = dev;
request->wdev = wdev;
request->wiphy = &rdev->wiphy;
rdev->scan_req = request;
err = rdev->ops->scan(&rdev->wiphy, dev, request);
err = rdev->ops->scan(&rdev->wiphy, request);
if (!err) {
nl80211_send_scan_start(rdev, dev);
dev_hold(dev);
nl80211_send_scan_start(rdev, wdev);
if (wdev->netdev)
dev_hold(wdev->netdev);
} else {
out_free:
rdev->scan_req = NULL;
@ -5685,7 +5777,7 @@ static int nl80211_remain_on_channel(struct sk_buff *skb,
struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct net_device *dev = info->user_ptr[1];
struct wireless_dev *wdev = info->user_ptr[1];
struct ieee80211_channel *chan;
struct sk_buff *msg;
void *hdr;
@ -5733,7 +5825,7 @@ static int nl80211_remain_on_channel(struct sk_buff *skb,
goto free_msg;
}
err = rdev->ops->remain_on_channel(&rdev->wiphy, dev, chan,
err = rdev->ops->remain_on_channel(&rdev->wiphy, wdev, chan,
channel_type, duration, &cookie);
if (err)
@ -5757,7 +5849,7 @@ static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct net_device *dev = info->user_ptr[1];
struct wireless_dev *wdev = info->user_ptr[1];
u64 cookie;
if (!info->attrs[NL80211_ATTR_COOKIE])
@ -5768,7 +5860,7 @@ static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
return rdev->ops->cancel_remain_on_channel(&rdev->wiphy, dev, cookie);
return rdev->ops->cancel_remain_on_channel(&rdev->wiphy, wdev, cookie);
}
static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
@ -5917,7 +6009,7 @@ static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct net_device *dev = info->user_ptr[1];
struct wireless_dev *wdev = info->user_ptr[1];
u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
@ -5926,21 +6018,24 @@ static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
if (info->attrs[NL80211_ATTR_FRAME_TYPE])
frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
switch (wdev->iftype) {
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_ADHOC:
case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_AP_VLAN:
case NL80211_IFTYPE_MESH_POINT:
case NL80211_IFTYPE_P2P_GO:
break;
default:
return -EOPNOTSUPP;
}
/* not much point in registering if we can't reply */
if (!rdev->ops->mgmt_tx)
return -EOPNOTSUPP;
return cfg80211_mlme_register_mgmt(dev->ieee80211_ptr, info->snd_pid,
frame_type,
return cfg80211_mlme_register_mgmt(wdev, info->snd_pid, frame_type,
nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]));
}
@ -5948,7 +6043,7 @@ static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct net_device *dev = info->user_ptr[1];
struct wireless_dev *wdev = info->user_ptr[1];
struct ieee80211_channel *chan;
enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
bool channel_type_valid = false;
@ -5969,14 +6064,18 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
if (!rdev->ops->mgmt_tx)
return -EOPNOTSUPP;
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
switch (wdev->iftype) {
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_ADHOC:
case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_AP_VLAN:
case NL80211_IFTYPE_MESH_POINT:
case NL80211_IFTYPE_P2P_GO:
break;
default:
return -EOPNOTSUPP;
}
if (info->attrs[NL80211_ATTR_DURATION]) {
if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
@ -6025,7 +6124,7 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
}
}
err = cfg80211_mlme_mgmt_tx(rdev, dev, chan, offchan, channel_type,
err = cfg80211_mlme_mgmt_tx(rdev, wdev, chan, offchan, channel_type,
channel_type_valid, wait,
nla_data(info->attrs[NL80211_ATTR_FRAME]),
nla_len(info->attrs[NL80211_ATTR_FRAME]),
@ -6053,7 +6152,7 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct net_device *dev = info->user_ptr[1];
struct wireless_dev *wdev = info->user_ptr[1];
u64 cookie;
if (!info->attrs[NL80211_ATTR_COOKIE])
@ -6062,17 +6161,21 @@ static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *in
if (!rdev->ops->mgmt_tx_cancel_wait)
return -EOPNOTSUPP;
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
switch (wdev->iftype) {
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_ADHOC:
case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_AP_VLAN:
case NL80211_IFTYPE_P2P_GO:
break;
default:
return -EOPNOTSUPP;
}
cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
return rdev->ops->mgmt_tx_cancel_wait(&rdev->wiphy, dev, cookie);
return rdev->ops->mgmt_tx_cancel_wait(&rdev->wiphy, wdev, cookie);
}
static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
@ -6655,13 +6758,17 @@ static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
#define NL80211_FLAG_CHECK_NETDEV_UP 0x08
#define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
NL80211_FLAG_CHECK_NETDEV_UP)
#define NL80211_FLAG_NEED_WDEV 0x10
/* If a netdev is associated, it must be UP */
#define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
NL80211_FLAG_CHECK_NETDEV_UP)
static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb,
struct genl_info *info)
{
struct cfg80211_registered_device *rdev;
struct wireless_dev *wdev;
struct net_device *dev;
int err;
bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL;
if (rtnl)
@ -6675,24 +6782,51 @@ static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb,
return PTR_ERR(rdev);
}
info->user_ptr[0] = rdev;
} else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
err = get_rdev_dev_by_ifindex(genl_info_net(info), info->attrs,
&rdev, &dev);
if (err) {
} else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV ||
ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
mutex_lock(&cfg80211_mutex);
wdev = __cfg80211_wdev_from_attrs(genl_info_net(info),
info->attrs);
if (IS_ERR(wdev)) {
mutex_unlock(&cfg80211_mutex);
if (rtnl)
rtnl_unlock();
return err;
return PTR_ERR(wdev);
}
if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
!netif_running(dev)) {
cfg80211_unlock_rdev(rdev);
dev_put(dev);
if (rtnl)
rtnl_unlock();
return -ENETDOWN;
dev = wdev->netdev;
rdev = wiphy_to_dev(wdev->wiphy);
if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
if (!dev) {
mutex_unlock(&cfg80211_mutex);
if (rtnl)
rtnl_unlock();
return -EINVAL;
}
info->user_ptr[1] = dev;
} else {
info->user_ptr[1] = wdev;
}
if (dev) {
if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
!netif_running(dev)) {
mutex_unlock(&cfg80211_mutex);
if (rtnl)
rtnl_unlock();
return -ENETDOWN;
}
dev_hold(dev);
}
cfg80211_lock_rdev(rdev);
mutex_unlock(&cfg80211_mutex);
info->user_ptr[0] = rdev;
info->user_ptr[1] = dev;
}
return 0;
@ -6703,8 +6837,16 @@ static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb,
{
if (info->user_ptr[0])
cfg80211_unlock_rdev(info->user_ptr[0]);
if (info->user_ptr[1])
dev_put(info->user_ptr[1]);
if (info->user_ptr[1]) {
if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
struct wireless_dev *wdev = info->user_ptr[1];
if (wdev->netdev)
dev_put(wdev->netdev);
} else {
dev_put(info->user_ptr[1]);
}
}
if (ops->internal_flags & NL80211_FLAG_NEED_RTNL)
rtnl_unlock();
}
@ -6731,7 +6873,7 @@ static struct genl_ops nl80211_ops[] = {
.dumpit = nl80211_dump_interface,
.policy = nl80211_policy,
/* can be retrieved by unprivileged users */
.internal_flags = NL80211_FLAG_NEED_NETDEV,
.internal_flags = NL80211_FLAG_NEED_WDEV,
},
{
.cmd = NL80211_CMD_SET_INTERFACE,
@ -6754,7 +6896,7 @@ static struct genl_ops nl80211_ops[] = {
.doit = nl80211_del_interface,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
.internal_flags = NL80211_FLAG_NEED_NETDEV |
.internal_flags = NL80211_FLAG_NEED_WDEV |
NL80211_FLAG_NEED_RTNL,
},
{
@ -6925,7 +7067,7 @@ static struct genl_ops nl80211_ops[] = {
.doit = nl80211_trigger_scan,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
.internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
.internal_flags = NL80211_FLAG_NEED_WDEV_UP |
NL80211_FLAG_NEED_RTNL,
},
{
@ -7066,7 +7208,7 @@ static struct genl_ops nl80211_ops[] = {
.doit = nl80211_remain_on_channel,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
.internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
.internal_flags = NL80211_FLAG_NEED_WDEV_UP |
NL80211_FLAG_NEED_RTNL,
},
{
@ -7074,7 +7216,7 @@ static struct genl_ops nl80211_ops[] = {
.doit = nl80211_cancel_remain_on_channel,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
.internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
.internal_flags = NL80211_FLAG_NEED_WDEV_UP |
NL80211_FLAG_NEED_RTNL,
},
{
@ -7090,7 +7232,7 @@ static struct genl_ops nl80211_ops[] = {
.doit = nl80211_register_mgmt,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
.internal_flags = NL80211_FLAG_NEED_NETDEV |
.internal_flags = NL80211_FLAG_NEED_WDEV |
NL80211_FLAG_NEED_RTNL,
},
{
@ -7098,7 +7240,7 @@ static struct genl_ops nl80211_ops[] = {
.doit = nl80211_tx_mgmt,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
.internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
.internal_flags = NL80211_FLAG_NEED_WDEV_UP |
NL80211_FLAG_NEED_RTNL,
},
{
@ -7106,7 +7248,7 @@ static struct genl_ops nl80211_ops[] = {
.doit = nl80211_tx_mgmt_cancel_wait,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
.internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
.internal_flags = NL80211_FLAG_NEED_WDEV_UP |
NL80211_FLAG_NEED_RTNL,
},
{
@ -7317,7 +7459,7 @@ static int nl80211_add_scan_req(struct sk_buff *msg,
static int nl80211_send_scan_msg(struct sk_buff *msg,
struct cfg80211_registered_device *rdev,
struct net_device *netdev,
struct wireless_dev *wdev,
u32 pid, u32 seq, int flags,
u32 cmd)
{
@ -7328,7 +7470,9 @@ static int nl80211_send_scan_msg(struct sk_buff *msg,
return -1;
if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
(wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
wdev->netdev->ifindex)) ||
nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
goto nla_put_failure;
/* ignore errors and send incomplete event anyway */
@ -7365,7 +7509,7 @@ nl80211_send_sched_scan_msg(struct sk_buff *msg,
}
void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
struct net_device *netdev)
struct wireless_dev *wdev)
{
struct sk_buff *msg;
@ -7373,7 +7517,7 @@ void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
if (!msg)
return;
if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0,
if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0,
NL80211_CMD_TRIGGER_SCAN) < 0) {
nlmsg_free(msg);
return;
@ -7384,7 +7528,7 @@ void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
}
void nl80211_send_scan_done(struct cfg80211_registered_device *rdev,
struct net_device *netdev)
struct wireless_dev *wdev)
{
struct sk_buff *msg;
@ -7392,7 +7536,7 @@ void nl80211_send_scan_done(struct cfg80211_registered_device *rdev,
if (!msg)
return;
if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0,
if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0,
NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
nlmsg_free(msg);
return;
@ -7403,7 +7547,7 @@ void nl80211_send_scan_done(struct cfg80211_registered_device *rdev,
}
void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev,
struct net_device *netdev)
struct wireless_dev *wdev)
{
struct sk_buff *msg;
@ -7411,7 +7555,7 @@ void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev,
if (!msg)
return;
if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0,
if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0,
NL80211_CMD_SCAN_ABORTED) < 0) {
nlmsg_free(msg);
return;
@ -7934,7 +8078,7 @@ void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
static void nl80211_send_remain_on_chan_event(
int cmd, struct cfg80211_registered_device *rdev,
struct net_device *netdev, u64 cookie,
struct wireless_dev *wdev, u64 cookie,
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type,
unsigned int duration, gfp_t gfp)
@ -7953,7 +8097,9 @@ static void nl80211_send_remain_on_chan_event(
}
if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
(wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
wdev->netdev->ifindex)) ||
nla_put_u32(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) ||
nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, channel_type) ||
nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie))
@ -7975,23 +8121,24 @@ static void nl80211_send_remain_on_chan_event(
}
void nl80211_send_remain_on_channel(struct cfg80211_registered_device *rdev,
struct net_device *netdev, u64 cookie,
struct wireless_dev *wdev, u64 cookie,
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type,
unsigned int duration, gfp_t gfp)
{
nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
rdev, netdev, cookie, chan,
rdev, wdev, cookie, chan,
channel_type, duration, gfp);
}
void nl80211_send_remain_on_channel_cancel(
struct cfg80211_registered_device *rdev, struct net_device *netdev,
struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev,
u64 cookie, struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type, gfp_t gfp)
{
nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
rdev, netdev, cookie, chan,
rdev, wdev, cookie, chan,
channel_type, 0, gfp);
}
@ -8105,10 +8252,11 @@ bool nl80211_unexpected_4addr_frame(struct net_device *dev,
}
int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
struct net_device *netdev, u32 nlpid,
struct wireless_dev *wdev, u32 nlpid,
int freq, int sig_dbm,
const u8 *buf, size_t len, gfp_t gfp)
{
struct net_device *netdev = wdev->netdev;
struct sk_buff *msg;
void *hdr;
@ -8123,7 +8271,8 @@ int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
}
if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
(netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
netdev->ifindex)) ||
nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
(sig_dbm &&
nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
@ -8141,10 +8290,11 @@ int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
}
void nl80211_send_mgmt_tx_status(struct cfg80211_registered_device *rdev,
struct net_device *netdev, u64 cookie,
struct wireless_dev *wdev, u64 cookie,
const u8 *buf, size_t len, bool ack,
gfp_t gfp)
{
struct net_device *netdev = wdev->netdev;
struct sk_buff *msg;
void *hdr;
@ -8159,7 +8309,8 @@ void nl80211_send_mgmt_tx_status(struct cfg80211_registered_device *rdev,
}
if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
(netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
netdev->ifindex)) ||
nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) ||
(ack && nla_put_flag(msg, NL80211_ATTR_ACK)))
@ -8483,7 +8634,7 @@ static int nl80211_netlink_notify(struct notifier_block * nb,
rcu_read_lock();
list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
list_for_each_entry_rcu(wdev, &rdev->netdev_list, list)
list_for_each_entry_rcu(wdev, &rdev->wdev_list, list)
cfg80211_mlme_unregister_socket(wdev, notify->pid);
if (rdev->ap_beacons_nlpid == notify->pid)
rdev->ap_beacons_nlpid = 0;

16
net/wireless/nl80211.h
View File

@ -7,11 +7,11 @@ int nl80211_init(void);
void nl80211_exit(void);
void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev);
void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
struct net_device *netdev);
struct wireless_dev *wdev);
void nl80211_send_scan_done(struct cfg80211_registered_device *rdev,
struct net_device *netdev);
struct wireless_dev *wdev);
void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev,
struct net_device *netdev);
struct wireless_dev *wdev);
void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev,
struct net_device *netdev, u32 cmd);
void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev,
@ -74,13 +74,13 @@ void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
gfp_t gfp);
void nl80211_send_remain_on_channel(struct cfg80211_registered_device *rdev,
struct net_device *netdev,
u64 cookie,
struct wireless_dev *wdev, u64 cookie,
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type,
unsigned int duration, gfp_t gfp);
void nl80211_send_remain_on_channel_cancel(
struct cfg80211_registered_device *rdev, struct net_device *netdev,
struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev,
u64 cookie, struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type, gfp_t gfp);
@ -92,11 +92,11 @@ void nl80211_send_sta_del_event(struct cfg80211_registered_device *rdev,
gfp_t gfp);
int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
struct net_device *netdev, u32 nlpid,
struct wireless_dev *wdev, u32 nlpid,
int freq, int sig_dbm,
const u8 *buf, size_t len, gfp_t gfp);
void nl80211_send_mgmt_tx_status(struct cfg80211_registered_device *rdev,
struct net_device *netdev, u64 cookie,
struct wireless_dev *wdev, u64 cookie,
const u8 *buf, size_t len, bool ack,
gfp_t gfp);

24
net/wireless/scan.c
View File

@ -23,7 +23,7 @@
void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, bool leak)
{
struct cfg80211_scan_request *request;
struct net_device *dev;
struct wireless_dev *wdev;
#ifdef CONFIG_CFG80211_WEXT
union iwreq_data wrqu;
#endif
@ -35,29 +35,31 @@ void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, bool leak)
if (!request)
return;
dev = request->dev;
wdev = request->wdev;
/*
* This must be before sending the other events!
* Otherwise, wpa_supplicant gets completely confused with
* wext events.
*/
cfg80211_sme_scan_done(dev);
if (wdev->netdev)
cfg80211_sme_scan_done(wdev->netdev);
if (request->aborted)
nl80211_send_scan_aborted(rdev, dev);
nl80211_send_scan_aborted(rdev, wdev);
else
nl80211_send_scan_done(rdev, dev);
nl80211_send_scan_done(rdev, wdev);
#ifdef CONFIG_CFG80211_WEXT
if (!request->aborted) {
if (wdev->netdev && !request->aborted) {
memset(&wrqu, 0, sizeof(wrqu));
wireless_send_event(dev, SIOCGIWSCAN, &wrqu, NULL);
wireless_send_event(wdev->netdev, SIOCGIWSCAN, &wrqu, NULL);
}
#endif
dev_put(dev);
if (wdev->netdev)
dev_put(wdev->netdev);
rdev->scan_req = NULL;
@ -955,7 +957,7 @@ int cfg80211_wext_siwscan(struct net_device *dev,
}
creq->wiphy = wiphy;
creq->dev = dev;
creq->wdev = dev->ieee80211_ptr;
/* SSIDs come after channels */
creq->ssids = (void *)&creq->channels[n_channels];
creq->n_channels = n_channels;
@ -1024,12 +1026,12 @@ int cfg80211_wext_siwscan(struct net_device *dev,
creq->rates[i] = (1 << wiphy->bands[i]->n_bitrates) - 1;
rdev->scan_req = creq;
err = rdev->ops->scan(wiphy, dev, creq);
err = rdev->ops->scan(wiphy, creq);
if (err) {
rdev->scan_req = NULL;
/* creq will be freed below */
} else {
nl80211_send_scan_start(rdev, dev);
nl80211_send_scan_start(rdev, dev->ieee80211_ptr);
/* creq now owned by driver */
creq = NULL;
dev_hold(dev);

10
net/wireless/sme.c
View File

@ -51,7 +51,7 @@ static bool cfg80211_is_all_idle(void)
*/
list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
cfg80211_lock_rdev(rdev);
list_for_each_entry(wdev, &rdev->netdev_list, list) {
list_for_each_entry(wdev, &rdev->wdev_list, list) {
wdev_lock(wdev);
if (wdev->sme_state != CFG80211_SME_IDLE)
is_all_idle = false;
@ -136,15 +136,15 @@ static int cfg80211_conn_scan(struct wireless_dev *wdev)
wdev->conn->params.ssid_len);
request->ssids[0].ssid_len = wdev->conn->params.ssid_len;
request->dev = wdev->netdev;
request->wdev = wdev;
request->wiphy = &rdev->wiphy;
rdev->scan_req = request;
err = rdev->ops->scan(wdev->wiphy, wdev->netdev, request);
err = rdev->ops->scan(wdev->wiphy, request);
if (!err) {
wdev->conn->state = CFG80211_CONN_SCANNING;
nl80211_send_scan_start(rdev, wdev->netdev);
nl80211_send_scan_start(rdev, wdev);
dev_hold(wdev->netdev);
} else {
rdev->scan_req = NULL;
@ -221,7 +221,7 @@ void cfg80211_conn_work(struct work_struct *work)
cfg80211_lock_rdev(rdev);
mutex_lock(&rdev->devlist_mtx);
list_for_each_entry(wdev, &rdev->netdev_list, list) {
list_for_each_entry(wdev, &rdev->wdev_list, list) {
wdev_lock(wdev);
if (!netif_running(wdev->netdev)) {
wdev_unlock(wdev);

17
net/wireless/util.c
View File

@ -793,7 +793,7 @@ void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev)
mutex_lock(&rdev->devlist_mtx);
list_for_each_entry(wdev, &rdev->netdev_list, list)
list_for_each_entry(wdev, &rdev->wdev_list, list)
cfg80211_process_wdev_events(wdev);
mutex_unlock(&rdev->devlist_mtx);
@ -994,7 +994,7 @@ int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev,
mutex_lock(&rdev->devlist_mtx);
list_for_each_entry(wdev, &rdev->netdev_list, list) {
list_for_each_entry(wdev, &rdev->wdev_list, list) {
if (!wdev->beacon_interval)
continue;
if (wdev->beacon_interval != beacon_int) {
@ -1050,7 +1050,7 @@ int cfg80211_can_use_iftype_chan(struct cfg80211_registered_device *rdev,
break;
}
list_for_each_entry(wdev_iter, &rdev->netdev_list, list) {
list_for_each_entry(wdev_iter, &rdev->wdev_list, list) {
if (wdev_iter == wdev)
continue;
if (!netif_running(wdev_iter->netdev))
@ -1059,7 +1059,16 @@ int cfg80211_can_use_iftype_chan(struct cfg80211_registered_device *rdev,
if (rdev->wiphy.software_iftypes & BIT(wdev_iter->iftype))
continue;
cfg80211_get_chan_state(rdev, wdev_iter, &ch, &chmode);
/*
* We may be holding the "wdev" mutex, but now need to lock
* wdev_iter. This is OK because once we get here wdev_iter
* is not wdev (tested above), but we need to use the nested
* locking for lockdep.
*/
mutex_lock_nested(&wdev_iter->mtx, 1);
__acquire(wdev_iter->mtx);
cfg80211_get_chan_state(wdev_iter, &ch, &chmode);
wdev_unlock(wdev_iter);
switch (chmode) {
case CHAN_MODE_UNDEFINED: