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Merge git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next

This commit is contained in:
John W. Linville 2014-05-22 13:58:36 -04:00
parent 99abe65ff1 67af981153
commit 40a10fd740
60 changed files with 1489 additions and 732 deletions
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7
drivers/net/wireless/ath/ath6kl/cfg80211.c
View File

@ -1759,7 +1759,7 @@ static bool is_rate_ht40(s32 rate, u8 *mcs, bool *sgi)
}
static int ath6kl_get_station(struct wiphy *wiphy, struct net_device *dev,
u8 *mac, struct station_info *sinfo)
const u8 *mac, struct station_info *sinfo)
{
struct ath6kl *ar = ath6kl_priv(dev);
struct ath6kl_vif *vif = netdev_priv(dev);
@ -2974,7 +2974,7 @@ static int ath6kl_stop_ap(struct wiphy *wiphy, struct net_device *dev)
static const u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
static int ath6kl_del_station(struct wiphy *wiphy, struct net_device *dev,
u8 *mac)
const u8 *mac)
{
struct ath6kl *ar = ath6kl_priv(dev);
struct ath6kl_vif *vif = netdev_priv(dev);
@ -2985,7 +2985,8 @@ static int ath6kl_del_station(struct wiphy *wiphy, struct net_device *dev,
}
static int ath6kl_change_station(struct wiphy *wiphy, struct net_device *dev,
u8 *mac, struct station_parameters *params)
const u8 *mac,
struct station_parameters *params)
{
struct ath6kl *ar = ath6kl_priv(dev);
struct ath6kl_vif *vif = netdev_priv(dev);

2
drivers/net/wireless/ath/ath6kl/wmi.c
View File

@ -2320,7 +2320,7 @@ int ath6kl_wmi_addkey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index,
return ret;
}
int ath6kl_wmi_add_krk_cmd(struct wmi *wmi, u8 if_idx, u8 *krk)
int ath6kl_wmi_add_krk_cmd(struct wmi *wmi, u8 if_idx, const u8 *krk)
{
struct sk_buff *skb;
struct wmi_add_krk_cmd *cmd;

2
drivers/net/wireless/ath/ath6kl/wmi.h
View File

@ -2616,7 +2616,7 @@ int ath6kl_wmi_addkey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index,
u8 *key_material,
u8 key_op_ctrl, u8 *mac_addr,
enum wmi_sync_flag sync_flag);
int ath6kl_wmi_add_krk_cmd(struct wmi *wmi, u8 if_idx, u8 *krk);
int ath6kl_wmi_add_krk_cmd(struct wmi *wmi, u8 if_idx, const u8 *krk);
int ath6kl_wmi_deletekey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index);
int ath6kl_wmi_setpmkid_cmd(struct wmi *wmi, u8 if_idx, const u8 *bssid,
const u8 *pmkid, bool set);

4
drivers/net/wireless/ath/wil6210/cfg80211.c
View File

@ -172,7 +172,7 @@ static int wil_cid_fill_sinfo(struct wil6210_priv *wil, int cid,
static int wil_cfg80211_get_station(struct wiphy *wiphy,
struct net_device *ndev,
u8 *mac, struct station_info *sinfo)
const u8 *mac, struct station_info *sinfo)
{
struct wil6210_priv *wil = wiphy_to_wil(wiphy);
int rc;
@ -671,7 +671,7 @@ static int wil_cfg80211_stop_ap(struct wiphy *wiphy,
}
static int wil_cfg80211_del_station(struct wiphy *wiphy,
struct net_device *dev, u8 *mac)
struct net_device *dev, const u8 *mac)
{
struct wil6210_priv *wil = wiphy_to_wil(wiphy);

4
drivers/net/wireless/ath/wil6210/main.c
View File

@ -81,7 +81,7 @@ static void wil_disconnect_cid(struct wil6210_priv *wil, int cid)
memset(&sta->stats, 0, sizeof(sta->stats));
}
static void _wil6210_disconnect(struct wil6210_priv *wil, void *bssid)
static void _wil6210_disconnect(struct wil6210_priv *wil, const u8 *bssid)
{
int cid = -ENOENT;
struct net_device *ndev = wil_to_ndev(wil);
@ -252,7 +252,7 @@ int wil_priv_init(struct wil6210_priv *wil)
return 0;
}
void wil6210_disconnect(struct wil6210_priv *wil, void *bssid)
void wil6210_disconnect(struct wil6210_priv *wil, const u8 *bssid)
{
del_timer_sync(&wil->connect_timer);
_wil6210_disconnect(wil, bssid);

2
drivers/net/wireless/ath/wil6210/wil6210.h
View File

@ -508,7 +508,7 @@ void wil_wdev_free(struct wil6210_priv *wil);
int wmi_set_mac_address(struct wil6210_priv *wil, void *addr);
int wmi_pcp_start(struct wil6210_priv *wil, int bi, u8 wmi_nettype, u8 chan);
int wmi_pcp_stop(struct wil6210_priv *wil);
void wil6210_disconnect(struct wil6210_priv *wil, void *bssid);
void wil6210_disconnect(struct wil6210_priv *wil, const u8 *bssid);
int wil_rx_init(struct wil6210_priv *wil);
void wil_rx_fini(struct wil6210_priv *wil);

6
drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
View File

@ -2236,7 +2236,7 @@ brcmf_cfg80211_config_default_mgmt_key(struct wiphy *wiphy,
static s32
brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev,
u8 *mac, struct station_info *sinfo)
const u8 *mac, struct station_info *sinfo)
{
struct brcmf_if *ifp = netdev_priv(ndev);
struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
@ -4014,7 +4014,7 @@ brcmf_cfg80211_change_beacon(struct wiphy *wiphy, struct net_device *ndev,
static int
brcmf_cfg80211_del_station(struct wiphy *wiphy, struct net_device *ndev,
u8 *mac)
const u8 *mac)
{
struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
struct brcmf_scb_val_le scbval;
@ -4242,7 +4242,7 @@ static int brcmf_convert_nl80211_tdls_oper(enum nl80211_tdls_operation oper)
}
static int brcmf_cfg80211_tdls_oper(struct wiphy *wiphy,
struct net_device *ndev, u8 *peer,
struct net_device *ndev, const u8 *peer,
enum nl80211_tdls_operation oper)
{
struct brcmf_if *ifp;

7
drivers/net/wireless/libertas/cfg.c
View File

@ -1006,9 +1006,8 @@ struct cmd_key_material {
} __packed;
static int lbs_set_key_material(struct lbs_private *priv,
int key_type,
int key_info,
u8 *key, u16 key_len)
int key_type, int key_info,
const u8 *key, u16 key_len)
{
struct cmd_key_material cmd;
int ret;
@ -1610,7 +1609,7 @@ static int lbs_cfg_del_key(struct wiphy *wiphy, struct net_device *netdev,
*/
static int lbs_cfg_get_station(struct wiphy *wiphy, struct net_device *dev,
u8 *mac, struct station_info *sinfo)
const u8 *mac, struct station_info *sinfo)
{
struct lbs_private *priv = wiphy_priv(wiphy);
s8 signal, noise;

3
drivers/net/wireless/libertas/defs.h
View File

@ -90,7 +90,8 @@ do { if ((lbs_debug & (grp)) == (grp)) \
#define lbs_deb_cfg80211(fmt, args...) LBS_DEB_LL(LBS_DEB_CFG80211, " cfg80211", fmt, ##args)
#ifdef DEBUG
static inline void lbs_deb_hex(unsigned int grp, const char *prompt, u8 *buf, int len)
static inline void lbs_deb_hex(unsigned int grp, const char *prompt,
const u8 *buf, int len)
{
int i = 0;

2
drivers/net/wireless/mwifiex/11n.h
View File

@ -200,7 +200,7 @@ static inline int mwifiex_is_sta_11n_enabled(struct mwifiex_private *priv,
}
static inline u8
mwifiex_tdls_peer_11n_enabled(struct mwifiex_private *priv, u8 *ra)
mwifiex_tdls_peer_11n_enabled(struct mwifiex_private *priv, const u8 *ra)
{
struct mwifiex_sta_node *node = mwifiex_get_sta_entry(priv, ra);
if (node)

19
drivers/net/wireless/mwifiex/cfg80211.c
View File

@ -994,7 +994,7 @@ mwifiex_dump_station_info(struct mwifiex_private *priv,
*/
static int
mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev,
u8 *mac, struct station_info *sinfo)
const u8 *mac, struct station_info *sinfo)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
@ -1270,7 +1270,7 @@ static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy,
*/
static int
mwifiex_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev,
u8 *mac)
const u8 *mac)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
struct mwifiex_sta_node *sta_node;
@ -2629,7 +2629,7 @@ static int mwifiex_cfg80211_set_coalesce(struct wiphy *wiphy,
*/
static int
mwifiex_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
u8 *peer, u8 action_code, u8 dialog_token,
const u8 *peer, u8 action_code, u8 dialog_token,
u16 status_code, u32 peer_capability,
const u8 *extra_ies, size_t extra_ies_len)
{
@ -2701,7 +2701,7 @@ mwifiex_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
static int
mwifiex_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
u8 *peer, enum nl80211_tdls_operation action)
const u8 *peer, enum nl80211_tdls_operation action)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
@ -2748,9 +2748,8 @@ mwifiex_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
}
static int
mwifiex_cfg80211_add_station(struct wiphy *wiphy,
struct net_device *dev,
u8 *mac, struct station_parameters *params)
mwifiex_cfg80211_add_station(struct wiphy *wiphy, struct net_device *dev,
const u8 *mac, struct station_parameters *params)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
@ -2765,9 +2764,9 @@ mwifiex_cfg80211_add_station(struct wiphy *wiphy,
}
static int
mwifiex_cfg80211_change_station(struct wiphy *wiphy,
struct net_device *dev,
u8 *mac, struct station_parameters *params)
mwifiex_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev,
const u8 *mac,
struct station_parameters *params)
{
int ret;
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);

22
drivers/net/wireless/mwifiex/main.h
View File

@ -910,8 +910,6 @@ int mwifiex_handle_uap_rx_forward(struct mwifiex_private *priv,
struct sk_buff *skb);
int mwifiex_process_sta_event(struct mwifiex_private *);
int mwifiex_process_uap_event(struct mwifiex_private *);
struct mwifiex_sta_node *
mwifiex_get_sta_entry(struct mwifiex_private *priv, u8 *mac);
void mwifiex_delete_all_station_list(struct mwifiex_private *priv);
void *mwifiex_process_sta_txpd(struct mwifiex_private *, struct sk_buff *skb);
void *mwifiex_process_uap_txpd(struct mwifiex_private *, struct sk_buff *skb);
@ -1220,26 +1218,26 @@ void mwifiex_dnld_txpwr_table(struct mwifiex_private *priv);
extern const struct ethtool_ops mwifiex_ethtool_ops;
void mwifiex_del_all_sta_list(struct mwifiex_private *priv);
void mwifiex_del_sta_entry(struct mwifiex_private *priv, u8 *mac);
void mwifiex_del_sta_entry(struct mwifiex_private *priv, const u8 *mac);
void
mwifiex_set_sta_ht_cap(struct mwifiex_private *priv, const u8 *ies,
int ies_len, struct mwifiex_sta_node *node);
struct mwifiex_sta_node *
mwifiex_add_sta_entry(struct mwifiex_private *priv, u8 *mac);
mwifiex_add_sta_entry(struct mwifiex_private *priv, const u8 *mac);
struct mwifiex_sta_node *
mwifiex_get_sta_entry(struct mwifiex_private *priv, u8 *mac);
int mwifiex_send_tdls_data_frame(struct mwifiex_private *priv, u8 *peer,
mwifiex_get_sta_entry(struct mwifiex_private *priv, const u8 *mac);
int mwifiex_send_tdls_data_frame(struct mwifiex_private *priv, const u8 *peer,
u8 action_code, u8 dialog_token,
u16 status_code, const u8 *extra_ies,
size_t extra_ies_len);
int mwifiex_send_tdls_action_frame(struct mwifiex_private *priv,
u8 *peer, u8 action_code, u8 dialog_token,
u16 status_code, const u8 *extra_ies,
size_t extra_ies_len);
int mwifiex_send_tdls_action_frame(struct mwifiex_private *priv, const u8 *peer,
u8 action_code, u8 dialog_token,
u16 status_code, const u8 *extra_ies,
size_t extra_ies_len);
void mwifiex_process_tdls_action_frame(struct mwifiex_private *priv,
u8 *buf, int len);
int mwifiex_tdls_oper(struct mwifiex_private *priv, u8 *peer, u8 action);
int mwifiex_get_tdls_link_status(struct mwifiex_private *priv, u8 *mac);
int mwifiex_tdls_oper(struct mwifiex_private *priv, const u8 *peer, u8 action);
int mwifiex_get_tdls_link_status(struct mwifiex_private *priv, const u8 *mac);
void mwifiex_disable_all_tdls_links(struct mwifiex_private *priv);
bool mwifiex_is_bss_in_11ac_mode(struct mwifiex_private *priv);
u8 mwifiex_get_center_freq_index(struct mwifiex_private *priv, u8 band,

44
drivers/net/wireless/mwifiex/tdls.c
View File

@ -25,8 +25,8 @@
#define TDLS_RESP_FIX_LEN 8
#define TDLS_CONFIRM_FIX_LEN 6
static void
mwifiex_restore_tdls_packets(struct mwifiex_private *priv, u8 *mac, u8 status)
static void mwifiex_restore_tdls_packets(struct mwifiex_private *priv,
const u8 *mac, u8 status)
{
struct mwifiex_ra_list_tbl *ra_list;
struct list_head *tid_list;
@ -84,7 +84,8 @@ mwifiex_restore_tdls_packets(struct mwifiex_private *priv, u8 *mac, u8 status)
return;
}
static void mwifiex_hold_tdls_packets(struct mwifiex_private *priv, u8 *mac)
static void mwifiex_hold_tdls_packets(struct mwifiex_private *priv,
const u8 *mac)
{
struct mwifiex_ra_list_tbl *ra_list;
struct list_head *ra_list_head;
@ -228,7 +229,7 @@ mwifiex_tdls_add_ht_oper(struct mwifiex_private *priv, u8 *mac,
}
static int mwifiex_tdls_add_vht_oper(struct mwifiex_private *priv,
u8 *mac, struct sk_buff *skb)
const u8 *mac, struct sk_buff *skb)
{
struct mwifiex_bssdescriptor *bss_desc;
struct ieee80211_vht_operation *vht_oper;
@ -367,8 +368,9 @@ static void mwifiex_tdls_add_qos_capab(struct sk_buff *skb)
}
static int mwifiex_prep_tdls_encap_data(struct mwifiex_private *priv,
u8 *peer, u8 action_code, u8 dialog_token,
u16 status_code, struct sk_buff *skb)
const u8 *peer, u8 action_code,
u8 dialog_token,
u16 status_code, struct sk_buff *skb)
{
struct ieee80211_tdls_data *tf;
int ret;
@ -506,7 +508,8 @@ static int mwifiex_prep_tdls_encap_data(struct mwifiex_private *priv,
}
static void
mwifiex_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr, u8 *peer, u8 *bssid)
mwifiex_tdls_add_link_ie(struct sk_buff *skb, const u8 *src_addr,
const u8 *peer, const u8 *bssid)
{
struct ieee80211_tdls_lnkie *lnkid;
@ -520,8 +523,8 @@ mwifiex_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr, u8 *peer, u8 *bssid)
memcpy(lnkid->resp_sta, peer, ETH_ALEN);
}
int mwifiex_send_tdls_data_frame(struct mwifiex_private *priv,
u8 *peer, u8 action_code, u8 dialog_token,
int mwifiex_send_tdls_data_frame(struct mwifiex_private *priv, const u8 *peer,
u8 action_code, u8 dialog_token,
u16 status_code, const u8 *extra_ies,
size_t extra_ies_len)
{
@ -613,7 +616,8 @@ int mwifiex_send_tdls_data_frame(struct mwifiex_private *priv,
}
static int
mwifiex_construct_tdls_action_frame(struct mwifiex_private *priv, u8 *peer,
mwifiex_construct_tdls_action_frame(struct mwifiex_private *priv,
const u8 *peer,
u8 action_code, u8 dialog_token,
u16 status_code, struct sk_buff *skb)
{
@ -691,10 +695,10 @@ mwifiex_construct_tdls_action_frame(struct mwifiex_private *priv, u8 *peer,
return 0;
}
int mwifiex_send_tdls_action_frame(struct mwifiex_private *priv,
u8 *peer, u8 action_code, u8 dialog_token,
u16 status_code, const u8 *extra_ies,
size_t extra_ies_len)
int mwifiex_send_tdls_action_frame(struct mwifiex_private *priv, const u8 *peer,
u8 action_code, u8 dialog_token,
u16 status_code, const u8 *extra_ies,
size_t extra_ies_len)
{
struct sk_buff *skb;
struct mwifiex_txinfo *tx_info;
@ -901,7 +905,7 @@ void mwifiex_process_tdls_action_frame(struct mwifiex_private *priv,
}
static int
mwifiex_tdls_process_config_link(struct mwifiex_private *priv, u8 *peer)
mwifiex_tdls_process_config_link(struct mwifiex_private *priv, const u8 *peer)
{
struct mwifiex_sta_node *sta_ptr;
struct mwifiex_ds_tdls_oper tdls_oper;
@ -922,7 +926,7 @@ mwifiex_tdls_process_config_link(struct mwifiex_private *priv, u8 *peer)
}
static int
mwifiex_tdls_process_create_link(struct mwifiex_private *priv, u8 *peer)
mwifiex_tdls_process_create_link(struct mwifiex_private *priv, const u8 *peer)
{
struct mwifiex_sta_node *sta_ptr;
struct mwifiex_ds_tdls_oper tdls_oper;
@ -949,7 +953,7 @@ mwifiex_tdls_process_create_link(struct mwifiex_private *priv, u8 *peer)
}
static int
mwifiex_tdls_process_disable_link(struct mwifiex_private *priv, u8 *peer)
mwifiex_tdls_process_disable_link(struct mwifiex_private *priv, const u8 *peer)
{
struct mwifiex_sta_node *sta_ptr;
struct mwifiex_ds_tdls_oper tdls_oper;
@ -978,7 +982,7 @@ mwifiex_tdls_process_disable_link(struct mwifiex_private *priv, u8 *peer)
}
static int
mwifiex_tdls_process_enable_link(struct mwifiex_private *priv, u8 *peer)
mwifiex_tdls_process_enable_link(struct mwifiex_private *priv, const u8 *peer)
{
struct mwifiex_sta_node *sta_ptr;
struct ieee80211_mcs_info mcs;
@ -1035,7 +1039,7 @@ mwifiex_tdls_process_enable_link(struct mwifiex_private *priv, u8 *peer)
return 0;
}
int mwifiex_tdls_oper(struct mwifiex_private *priv, u8 *peer, u8 action)
int mwifiex_tdls_oper(struct mwifiex_private *priv, const u8 *peer, u8 action)
{
switch (action) {
case MWIFIEX_TDLS_ENABLE_LINK:
@ -1050,7 +1054,7 @@ int mwifiex_tdls_oper(struct mwifiex_private *priv, u8 *peer, u8 action)
return 0;
}
int mwifiex_get_tdls_link_status(struct mwifiex_private *priv, u8 *mac)
int mwifiex_get_tdls_link_status(struct mwifiex_private *priv, const u8 *mac)
{
struct mwifiex_sta_node *sta_ptr;

6
drivers/net/wireless/mwifiex/util.c
View File

@ -259,7 +259,7 @@ int mwifiex_complete_cmd(struct mwifiex_adapter *adapter,
* NULL is returned if station entry is not found in associated STA list.
*/
struct mwifiex_sta_node *
mwifiex_get_sta_entry(struct mwifiex_private *priv, u8 *mac)
mwifiex_get_sta_entry(struct mwifiex_private *priv, const u8 *mac)
{
struct mwifiex_sta_node *node;
@ -280,7 +280,7 @@ mwifiex_get_sta_entry(struct mwifiex_private *priv, u8 *mac)
* If received mac address is NULL, NULL is returned.
*/
struct mwifiex_sta_node *
mwifiex_add_sta_entry(struct mwifiex_private *priv, u8 *mac)
mwifiex_add_sta_entry(struct mwifiex_private *priv, const u8 *mac)
{
struct mwifiex_sta_node *node;
unsigned long flags;
@ -332,7 +332,7 @@ mwifiex_set_sta_ht_cap(struct mwifiex_private *priv, const u8 *ies,
}
/* This function will delete a station entry from station list */
void mwifiex_del_sta_entry(struct mwifiex_private *priv, u8 *mac)
void mwifiex_del_sta_entry(struct mwifiex_private *priv, const u8 *mac)
{
struct mwifiex_sta_node *node;
unsigned long flags;

10
drivers/net/wireless/mwifiex/wmm.c
View File

@ -92,7 +92,7 @@ mwifiex_wmm_ac_debug_print(const struct ieee_types_wmm_ac_parameters *ac_param)
* The function also initializes the list with the provided RA.
*/
static struct mwifiex_ra_list_tbl *
mwifiex_wmm_allocate_ralist_node(struct mwifiex_adapter *adapter, u8 *ra)
mwifiex_wmm_allocate_ralist_node(struct mwifiex_adapter *adapter, const u8 *ra)
{
struct mwifiex_ra_list_tbl *ra_list;
@ -139,8 +139,7 @@ static u8 mwifiex_get_random_ba_threshold(void)
* This function allocates and adds a RA list for all TIDs
* with the given RA.
*/
void
mwifiex_ralist_add(struct mwifiex_private *priv, u8 *ra)
void mwifiex_ralist_add(struct mwifiex_private *priv, const u8 *ra)
{
int i;
struct mwifiex_ra_list_tbl *ra_list;
@ -566,7 +565,7 @@ mwifiex_clean_txrx(struct mwifiex_private *priv)
*/
static struct mwifiex_ra_list_tbl *
mwifiex_wmm_get_ralist_node(struct mwifiex_private *priv, u8 tid,
u8 *ra_addr)
const u8 *ra_addr)
{
struct mwifiex_ra_list_tbl *ra_list;
@ -587,7 +586,8 @@ mwifiex_wmm_get_ralist_node(struct mwifiex_private *priv, u8 tid,
* retrieved.
*/
struct mwifiex_ra_list_tbl *
mwifiex_wmm_get_queue_raptr(struct mwifiex_private *priv, u8 tid, u8 *ra_addr)
mwifiex_wmm_get_queue_raptr(struct mwifiex_private *priv, u8 tid,
const u8 *ra_addr)
{
struct mwifiex_ra_list_tbl *ra_list;

5
drivers/net/wireless/mwifiex/wmm.h
View File

@ -99,7 +99,7 @@ mwifiex_wmm_is_ra_list_empty(struct list_head *ra_list_hhead)
void mwifiex_wmm_add_buf_txqueue(struct mwifiex_private *priv,
struct sk_buff *skb);
void mwifiex_ralist_add(struct mwifiex_private *priv, u8 *ra);
void mwifiex_ralist_add(struct mwifiex_private *priv, const u8 *ra);
void mwifiex_rotate_priolists(struct mwifiex_private *priv,
struct mwifiex_ra_list_tbl *ra, int tid);
@ -123,7 +123,8 @@ void mwifiex_wmm_setup_ac_downgrade(struct mwifiex_private *priv);
int mwifiex_ret_wmm_get_status(struct mwifiex_private *priv,
const struct host_cmd_ds_command *resp);
struct mwifiex_ra_list_tbl *
mwifiex_wmm_get_queue_raptr(struct mwifiex_private *priv, u8 tid, u8 *ra_addr);
mwifiex_wmm_get_queue_raptr(struct mwifiex_private *priv, u8 tid,
const u8 *ra_addr);
u8 mwifiex_wmm_downgrade_tid(struct mwifiex_private *priv, u32 tid);
#endif /* !_MWIFIEX_WMM_H_ */

4
drivers/net/wireless/orinoco/hw.c
View File

@ -988,8 +988,8 @@ int __orinoco_hw_setup_enc(struct orinoco_private *priv)
* tsc must be NULL or up to 8 bytes
*/
int __orinoco_hw_set_tkip_key(struct orinoco_private *priv, int key_idx,
int set_tx, u8 *key, u8 *rsc, size_t rsc_len,
u8 *tsc, size_t tsc_len)
int set_tx, const u8 *key, const u8 *rsc,
size_t rsc_len, const u8 *tsc, size_t tsc_len)
{
struct {
__le16 idx;

4
drivers/net/wireless/orinoco/hw.h
View File

@ -38,8 +38,8 @@ int __orinoco_hw_set_wap(struct orinoco_private *priv);
int __orinoco_hw_setup_wepkeys(struct orinoco_private *priv);
int __orinoco_hw_setup_enc(struct orinoco_private *priv);
int __orinoco_hw_set_tkip_key(struct orinoco_private *priv, int key_idx,
int set_tx, u8 *key, u8 *rsc, size_t rsc_len,
u8 *tsc, size_t tsc_len);
int set_tx, const u8 *key, const u8 *rsc,
size_t rsc_len, const u8 *tsc, size_t tsc_len);
int orinoco_clear_tkip_key(struct orinoco_private *priv, int key_idx);
int __orinoco_hw_set_multicast_list(struct orinoco_private *priv,
struct net_device *dev,

4
drivers/net/wireless/orinoco/wext.c
View File

@ -52,9 +52,9 @@ static int orinoco_set_key(struct orinoco_private *priv, int index,
priv->keys[index].seq_len = seq_len;
if (key_len)
memcpy(priv->keys[index].key, key, key_len);
memcpy((void *)priv->keys[index].key, key, key_len);
if (seq_len)
memcpy(priv->keys[index].seq, seq, seq_len);
memcpy((void *)priv->keys[index].seq, seq, seq_len);
switch (alg) {
case ORINOCO_ALG_TKIP:

4
drivers/net/wireless/rndis_wlan.c
View File

@ -517,7 +517,7 @@ static int rndis_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
u8 key_index, bool unicast, bool multicast);
static int rndis_get_station(struct wiphy *wiphy, struct net_device *dev,
u8 *mac, struct station_info *sinfo);
const u8 *mac, struct station_info *sinfo);
static int rndis_dump_station(struct wiphy *wiphy, struct net_device *dev,
int idx, u8 *mac, struct station_info *sinfo);
@ -2490,7 +2490,7 @@ static void rndis_fill_station_info(struct usbnet *usbdev,
}
static int rndis_get_station(struct wiphy *wiphy, struct net_device *dev,
u8 *mac, struct station_info *sinfo)
const u8 *mac, struct station_info *sinfo)
{
struct rndis_wlan_private *priv = wiphy_priv(wiphy);
struct usbnet *usbdev = priv->usbdev;

2
drivers/net/wireless/ti/wlcore/main.c
View File

@ -1416,7 +1416,7 @@ void wl1271_rx_filter_free(struct wl12xx_rx_filter *filter)
int wl1271_rx_filter_alloc_field(struct wl12xx_rx_filter *filter,
u16 offset, u8 flags,
u8 *pattern, u8 len)
const u8 *pattern, u8 len)
{
struct wl12xx_rx_filter_field *field;

4
drivers/net/wireless/ti/wlcore/wlcore_i.h
View File

@ -512,8 +512,8 @@ int wl1271_recalc_rx_streaming(struct wl1271 *wl, struct wl12xx_vif *wlvif);
void wl12xx_queue_recovery_work(struct wl1271 *wl);
size_t wl12xx_copy_fwlog(struct wl1271 *wl, u8 *memblock, size_t maxlen);
int wl1271_rx_filter_alloc_field(struct wl12xx_rx_filter *filter,
u16 offset, u8 flags,
u8 *pattern, u8 len);
u16 offset, u8 flags,
const u8 *pattern, u8 len);
void wl1271_rx_filter_free(struct wl12xx_rx_filter *filter);
struct wl12xx_rx_filter *wl1271_rx_filter_alloc(void);
int wl1271_rx_filter_get_fields_size(struct wl12xx_rx_filter *filter);

4
drivers/staging/wlan-ng/cfg80211.c
View File

@ -84,7 +84,7 @@ static int prism2_domibset_uint32(wlandevice_t *wlandev, u32 did, u32 data)
}
static int prism2_domibset_pstr32(wlandevice_t *wlandev,
u32 did, u8 len, u8 *data)
u32 did, u8 len, const u8 *data)
{
struct p80211msg_dot11req_mibset msg;
p80211item_pstr32_t *mibitem =
@ -298,7 +298,7 @@ static int prism2_set_default_key(struct wiphy *wiphy, struct net_device *dev,
static int prism2_get_station(struct wiphy *wiphy, struct net_device *dev,
u8 *mac, struct station_info *sinfo)
const u8 *mac, struct station_info *sinfo)
{
wlandevice_t *wlandev = dev->ml_priv;
struct p80211msg_lnxreq_commsquality quality;

191
include/net/cfg80211.h
View File

@ -341,8 +341,8 @@ struct vif_params {
* @seq_len: length of @seq.
*/
struct key_params {
u8 *key;
u8 *seq;
const u8 *key;
const u8 *seq;
int key_len;
int seq_len;
u32 cipher;
@ -458,7 +458,7 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy,
*/
int cfg80211_chandef_dfs_required(struct wiphy *wiphy,
const struct cfg80211_chan_def *chandef,
enum nl80211_iftype);
enum nl80211_iftype iftype);
/**
* ieee80211_chandef_rate_flags - returns rate flags for a channel
@ -694,8 +694,10 @@ struct cfg80211_ap_settings {
*
* @chandef: defines the channel to use after the switch
* @beacon_csa: beacon data while performing the switch
* @counter_offset_beacon: offset for the counter within the beacon (tail)
* @counter_offset_presp: offset for the counter within the probe response
* @counter_offsets_beacon: offsets of the counters within the beacon (tail)
* @counter_offsets_presp: offsets of the counters within the probe response
* @n_counter_offsets_beacon: number of csa counters the beacon (tail)
* @n_counter_offsets_presp: number of csa counters in the probe response
* @beacon_after: beacon data to be used on the new channel
* @radar_required: whether radar detection is required on the new channel
* @block_tx: whether transmissions should be blocked while changing
@ -704,7 +706,10 @@ struct cfg80211_ap_settings {
struct cfg80211_csa_settings {
struct cfg80211_chan_def chandef;
struct cfg80211_beacon_data beacon_csa;
u16 counter_offset_beacon, counter_offset_presp;
const u16 *counter_offsets_beacon;
const u16 *counter_offsets_presp;
unsigned int n_counter_offsets_beacon;
unsigned int n_counter_offsets_presp;
struct cfg80211_beacon_data beacon_after;
bool radar_required;
bool block_tx;
@ -868,36 +873,38 @@ int cfg80211_check_station_change(struct wiphy *wiphy,
* @STATION_INFO_NONPEER_PM: @nonpeer_pm filled
* @STATION_INFO_CHAIN_SIGNAL: @chain_signal filled
* @STATION_INFO_CHAIN_SIGNAL_AVG: @chain_signal_avg filled
* @STATION_INFO_EXPECTED_THROUGHPUT: @expected_throughput filled
*/
enum station_info_flags {
STATION_INFO_INACTIVE_TIME = 1<<0,
STATION_INFO_RX_BYTES = 1<<1,
STATION_INFO_TX_BYTES = 1<<2,
STATION_INFO_LLID = 1<<3,
STATION_INFO_PLID = 1<<4,
STATION_INFO_PLINK_STATE = 1<<5,
STATION_INFO_SIGNAL = 1<<6,
STATION_INFO_TX_BITRATE = 1<<7,
STATION_INFO_RX_PACKETS = 1<<8,
STATION_INFO_TX_PACKETS = 1<<9,
STATION_INFO_TX_RETRIES = 1<<10,
STATION_INFO_TX_FAILED = 1<<11,
STATION_INFO_RX_DROP_MISC = 1<<12,
STATION_INFO_SIGNAL_AVG = 1<<13,
STATION_INFO_RX_BITRATE = 1<<14,
STATION_INFO_BSS_PARAM = 1<<15,
STATION_INFO_CONNECTED_TIME = 1<<16,
STATION_INFO_ASSOC_REQ_IES = 1<<17,
STATION_INFO_STA_FLAGS = 1<<18,
STATION_INFO_BEACON_LOSS_COUNT = 1<<19,
STATION_INFO_T_OFFSET = 1<<20,
STATION_INFO_LOCAL_PM = 1<<21,
STATION_INFO_PEER_PM = 1<<22,
STATION_INFO_NONPEER_PM = 1<<23,
STATION_INFO_RX_BYTES64 = 1<<24,
STATION_INFO_TX_BYTES64 = 1<<25,
STATION_INFO_CHAIN_SIGNAL = 1<<26,
STATION_INFO_CHAIN_SIGNAL_AVG = 1<<27,
STATION_INFO_INACTIVE_TIME = BIT(0),
STATION_INFO_RX_BYTES = BIT(1),
STATION_INFO_TX_BYTES = BIT(2),
STATION_INFO_LLID = BIT(3),
STATION_INFO_PLID = BIT(4),
STATION_INFO_PLINK_STATE = BIT(5),
STATION_INFO_SIGNAL = BIT(6),
STATION_INFO_TX_BITRATE = BIT(7),
STATION_INFO_RX_PACKETS = BIT(8),
STATION_INFO_TX_PACKETS = BIT(9),
STATION_INFO_TX_RETRIES = BIT(10),
STATION_INFO_TX_FAILED = BIT(11),
STATION_INFO_RX_DROP_MISC = BIT(12),
STATION_INFO_SIGNAL_AVG = BIT(13),
STATION_INFO_RX_BITRATE = BIT(14),
STATION_INFO_BSS_PARAM = BIT(15),
STATION_INFO_CONNECTED_TIME = BIT(16),
STATION_INFO_ASSOC_REQ_IES = BIT(17),
STATION_INFO_STA_FLAGS = BIT(18),
STATION_INFO_BEACON_LOSS_COUNT = BIT(19),
STATION_INFO_T_OFFSET = BIT(20),
STATION_INFO_LOCAL_PM = BIT(21),
STATION_INFO_PEER_PM = BIT(22),
STATION_INFO_NONPEER_PM = BIT(23),
STATION_INFO_RX_BYTES64 = BIT(24),
STATION_INFO_TX_BYTES64 = BIT(25),
STATION_INFO_CHAIN_SIGNAL = BIT(26),
STATION_INFO_CHAIN_SIGNAL_AVG = BIT(27),
STATION_INFO_EXPECTED_THROUGHPUT = BIT(28),
};
/**
@ -1019,6 +1026,8 @@ struct sta_bss_parameters {
* @local_pm: local mesh STA power save mode
* @peer_pm: peer mesh STA power save mode
* @nonpeer_pm: non-peer mesh STA power save mode
* @expected_throughput: expected throughput in kbps (including 802.11 headers)
* towards this station.
*/
struct station_info {
u32 filled;
@ -1057,12 +1066,27 @@ struct station_info {
enum nl80211_mesh_power_mode peer_pm;
enum nl80211_mesh_power_mode nonpeer_pm;
u32 expected_throughput;
/*
* Note: Add a new enum station_info_flags value for each new field and
* use it to check which fields are initialized.
*/
};
/**
* cfg80211_get_station - retrieve information about a given station
* @dev: the device where the station is supposed to be connected to
* @mac_addr: the mac address of the station of interest
* @sinfo: pointer to the structure to fill with the information
*
* Returns 0 on success and sinfo is filled with the available information
* otherwise returns a negative error code and the content of sinfo has to be
* considered undefined.
*/
int cfg80211_get_station(struct net_device *dev, const u8 *mac_addr,
struct station_info *sinfo);
/**
* enum monitor_flags - monitor flags
*
@ -1164,7 +1188,7 @@ struct bss_parameters {
int use_cts_prot;
int use_short_preamble;
int use_short_slot_time;
u8 *basic_rates;
const u8 *basic_rates;
u8 basic_rates_len;
int ap_isolate;
int ht_opmode;
@ -1694,10 +1718,10 @@ struct cfg80211_disassoc_request {
* @ht_capa_mask: The bits of ht_capa which are to be used.
*/
struct cfg80211_ibss_params {
u8 *ssid;
u8 *bssid;
const u8 *ssid;
const u8 *bssid;
struct cfg80211_chan_def chandef;
u8 *ie;
const u8 *ie;
u8 ssid_len, ie_len;
u16 beacon_interval;
u32 basic_rates;
@ -1806,8 +1830,8 @@ struct cfg80211_bitrate_mask {
* @pmkid: The PMK material itself.
*/
struct cfg80211_pmksa {
u8 *bssid;
u8 *pmkid;
const u8 *bssid;
const u8 *pmkid;
};
/**
@ -1822,7 +1846,7 @@ struct cfg80211_pmksa {
* memory, free @mask only!
*/
struct cfg80211_pkt_pattern {
u8 *mask, *pattern;
const u8 *mask, *pattern;
int pattern_len;
int pkt_offset;
};
@ -1986,6 +2010,8 @@ struct cfg80211_update_ft_ies_params {
* @len: buffer length
* @no_cck: don't use cck rates for this frame
* @dont_wait_for_ack: tells the low level not to wait for an ack
* @n_csa_offsets: length of csa_offsets array
* @csa_offsets: array of all the csa offsets in the frame
*/
struct cfg80211_mgmt_tx_params {
struct ieee80211_channel *chan;
@ -1995,6 +2021,8 @@ struct cfg80211_mgmt_tx_params {
size_t len;
bool no_cck;
bool dont_wait_for_ack;
int n_csa_offsets;
const u16 *csa_offsets;
};
/**
@ -2336,28 +2364,29 @@ struct cfg80211_ops {
int (*add_station)(struct wiphy *wiphy, struct net_device *dev,
u8 *mac, struct station_parameters *params);
const u8 *mac,
struct station_parameters *params);
int (*del_station)(struct wiphy *wiphy, struct net_device *dev,
u8 *mac);
const u8 *mac);
int (*change_station)(struct wiphy *wiphy, struct net_device *dev,
u8 *mac, struct station_parameters *params);
const u8 *mac,
struct station_parameters *params);
int (*get_station)(struct wiphy *wiphy, struct net_device *dev,
u8 *mac, struct station_info *sinfo);
const u8 *mac, struct station_info *sinfo);
int (*dump_station)(struct wiphy *wiphy, struct net_device *dev,
int idx, u8 *mac, struct station_info *sinfo);
int idx, u8 *mac, struct station_info *sinfo);
int (*add_mpath)(struct wiphy *wiphy, struct net_device *dev,
u8 *dst, u8 *next_hop);
const u8 *dst, const u8 *next_hop);
int (*del_mpath)(struct wiphy *wiphy, struct net_device *dev,
u8 *dst);
const u8 *dst);
int (*change_mpath)(struct wiphy *wiphy, struct net_device *dev,
u8 *dst, u8 *next_hop);
const u8 *dst, const u8 *next_hop);
int (*get_mpath)(struct wiphy *wiphy, struct net_device *dev,
u8 *dst, u8 *next_hop,
struct mpath_info *pinfo);
u8 *dst, u8 *next_hop, struct mpath_info *pinfo);
int (*dump_mpath)(struct wiphy *wiphy, struct net_device *dev,
int idx, u8 *dst, u8 *next_hop,
struct mpath_info *pinfo);
int idx, u8 *dst, u8 *next_hop,
struct mpath_info *pinfo);
int (*get_mesh_config)(struct wiphy *wiphy,
struct net_device *dev,
struct mesh_config *conf);
@ -2487,11 +2516,11 @@ struct cfg80211_ops {
struct cfg80211_gtk_rekey_data *data);
int (*tdls_mgmt)(struct wiphy *wiphy, struct net_device *dev,
u8 *peer, u8 action_code, u8 dialog_token,
const u8 *peer, u8 action_code, u8 dialog_token,
u16 status_code, u32 peer_capability,
const u8 *buf, size_t len);
int (*tdls_oper)(struct wiphy *wiphy, struct net_device *dev,
u8 *peer, enum nl80211_tdls_operation oper);
const u8 *peer, enum nl80211_tdls_operation oper);
int (*probe_client)(struct wiphy *wiphy, struct net_device *dev,
const u8 *peer, u64 *cookie);
@ -2638,6 +2667,7 @@ struct ieee80211_iface_limit {
* between infrastructure and AP types must match. This is required
* only in special cases.
* @radar_detect_widths: bitmap of channel widths supported for radar detection
* @radar_detect_regions: bitmap of regions supported for radar detection
*
* With this structure the driver can describe which interface
* combinations it supports concurrently.
@ -2695,6 +2725,7 @@ struct ieee80211_iface_combination {
u8 n_limits;
bool beacon_int_infra_match;
u8 radar_detect_widths;
u8 radar_detect_regions;
};
struct ieee80211_txrx_stypes {
@ -2925,6 +2956,17 @@ struct wiphy_vendor_command {
* (including P2P GO) or 0 to indicate no such limit is advertised. The
* driver is allowed to advertise a theoretical limit that it can reach in
* some cases, but may not always reach.
*
* @max_num_csa_counters: Number of supported csa_counters in beacons
* and probe responses. This value should be set if the driver
* wishes to limit the number of csa counters. Default (0) means
* infinite.
* @max_adj_channel_rssi_comp: max offset of between the channel on which the
* frame was sent and the channel on which the frame was heard for which
* the reported rssi is still valid. If a driver is able to compensate the
* low rssi when a frame is heard on different channel, then it should set
* this variable to the maximal offset for which it can compensate.
* This value should be set in MHz.
*/
struct wiphy {
/* assign these fields before you register the wiphy */
@ -3042,6 +3084,9 @@ struct wiphy {
u16 max_ap_assoc_sta;
u8 max_num_csa_counters;
u8 max_adj_channel_rssi_comp;
char priv[0] __aligned(NETDEV_ALIGN);
};
@ -3270,7 +3315,7 @@ struct wireless_dev {
struct cfg80211_ibss_params ibss;
struct cfg80211_connect_params connect;
struct cfg80211_cached_keys *keys;
u8 *ie;
const u8 *ie;
size_t ie_len;
u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN];
u8 ssid[IEEE80211_MAX_SSID_LEN];
@ -3511,7 +3556,8 @@ int ieee80211_data_to_8023(struct sk_buff *skb, const u8 *addr,
* Return: 0 on success, or a negative error code.
*/
int ieee80211_data_from_8023(struct sk_buff *skb, const u8 *addr,
enum nl80211_iftype iftype, u8 *bssid, bool qos);
enum nl80211_iftype iftype, const u8 *bssid,
bool qos);
/**
* ieee80211_amsdu_to_8023s - decode an IEEE 802.11n A-MSDU frame
@ -4312,7 +4358,7 @@ void cfg80211_roamed_bss(struct net_device *dev, struct cfg80211_bss *bss,
* and not try to connect to any AP any more.
*/
void cfg80211_disconnected(struct net_device *dev, u16 reason,
u8 *ie, size_t ie_len, gfp_t gfp);
const u8 *ie, size_t ie_len, gfp_t gfp);
/**
* cfg80211_ready_on_channel - notification of remain_on_channel start
@ -4768,6 +4814,35 @@ int cfg80211_iter_combinations(struct wiphy *wiphy,
void *data),
void *data);
/*
* cfg80211_stop_iface - trigger interface disconnection
*
* @wiphy: the wiphy
* @wdev: wireless device
* @gfp: context flags
*
* Trigger interface to be stopped as if AP was stopped, IBSS/mesh left, STA
* disconnected.
*
* Note: This doesn't need any locks and is asynchronous.
*/
void cfg80211_stop_iface(struct wiphy *wiphy, struct wireless_dev *wdev,
gfp_t gfp);
/**
* cfg80211_shutdown_all_interfaces - shut down all interfaces for a wiphy
* @wiphy: the wiphy to shut down
*
* This function shuts down all interfaces belonging to this wiphy by
* calling dev_close() (and treating non-netdev interfaces as needed).
* It shouldn't really be used unless there are some fatal device errors
* that really can't be recovered in any other way.
*
* Callers must hold the RTNL and be able to deal with callbacks into
* the driver while the function is running.
*/
void cfg80211_shutdown_all_interfaces(struct wiphy *wiphy);
/* Logging, debugging and troubleshooting/diagnostic helpers. */
/* wiphy_printk helpers, similar to dev_printk */

78
include/net/mac80211.h
View File

@ -1113,7 +1113,9 @@ enum ieee80211_vif_flags {
* @addr: address of this interface
* @p2p: indicates whether this AP or STA interface is a p2p
* interface, i.e. a GO or p2p-sta respectively
* @csa_active: marks whether a channel switch is going on
* @csa_active: marks whether a channel switch is going on. Internally it is
* write-protected by sdata_lock and local->mtx so holding either is fine
* for read access.
* @driver_flags: flags/capabilities the driver has for this interface,
* these need to be set (or cleared) when the interface is added
* or, if supported by the driver, the interface type is changed
@ -1374,6 +1376,7 @@ struct ieee80211_sta_rates {
* the station moves to associated state.
* @smps_mode: current SMPS mode (off, static or dynamic)
* @rates: rate control selection table
* @tdls: indicates whether the STA is a TDLS peer
*/
struct ieee80211_sta {
u32 supp_rates[IEEE80211_NUM_BANDS];
@ -1388,6 +1391,7 @@ struct ieee80211_sta {
enum ieee80211_sta_rx_bandwidth bandwidth;
enum ieee80211_smps_mode smps_mode;
struct ieee80211_sta_rates __rcu *rates;
bool tdls;
/* must be last */
u8 drv_priv[0] __aligned(sizeof(void *));
@ -2765,6 +2769,10 @@ enum ieee80211_roc_type {
* information in bss_conf is set up and the beacon can be retrieved. A
* channel context is bound before this is called.
* @leave_ibss: Leave the IBSS again.
*
* @get_expected_throughput: extract the expected throughput towards the
* specified station. The returned value is expressed in Kbps. It returns 0
* if the RC algorithm does not have proper data to provide.
*/
struct ieee80211_ops {
void (*tx)(struct ieee80211_hw *hw,
@ -2958,6 +2966,7 @@ struct ieee80211_ops {
int (*join_ibss)(struct ieee80211_hw *hw, struct ieee80211_vif *vif);
void (*leave_ibss)(struct ieee80211_hw *hw, struct ieee80211_vif *vif);
u32 (*get_expected_throughput)(struct ieee80211_sta *sta);
};
/**
@ -3407,6 +3416,47 @@ void ieee80211_tx_status_irqsafe(struct ieee80211_hw *hw,
*/
void ieee80211_report_low_ack(struct ieee80211_sta *sta, u32 num_packets);
#define IEEE80211_MAX_CSA_COUNTERS_NUM 2
/**
* struct ieee80211_mutable_offsets - mutable beacon offsets
* @tim_offset: position of TIM element
* @tim_length: size of TIM element
* @csa_counter_offs: array of IEEE80211_MAX_CSA_COUNTERS_NUM offsets
* to CSA counters. This array can contain zero values which
* should be ignored.
*/
struct ieee80211_mutable_offsets {
u16 tim_offset;
u16 tim_length;
u16 csa_counter_offs[IEEE80211_MAX_CSA_COUNTERS_NUM];
};
/**
* ieee80211_beacon_get_template - beacon template generation function
* @hw: pointer obtained from ieee80211_alloc_hw().
* @vif: &struct ieee80211_vif pointer from the add_interface callback.
* @offs: &struct ieee80211_mutable_offsets pointer to struct that will
* receive the offsets that may be updated by the driver.
*
* If the driver implements beaconing modes, it must use this function to
* obtain the beacon template.
*
* This function should be used if the beacon frames are generated by the
* device, and then the driver must use the returned beacon as the template
* The driver or the device are responsible to update the DTIM and, when
* applicable, the CSA count.
*
* The driver is responsible for freeing the returned skb.
*
* Return: The beacon template. %NULL on error.
*/
struct sk_buff *
ieee80211_beacon_get_template(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_mutable_offsets *offs);
/**
* ieee80211_beacon_get_tim - beacon generation function
* @hw: pointer obtained from ieee80211_alloc_hw().
@ -3418,16 +3468,12 @@ void ieee80211_report_low_ack(struct ieee80211_sta *sta, u32 num_packets);
* Set to 0 if invalid (in non-AP modes).
*
* If the driver implements beaconing modes, it must use this function to
* obtain the beacon frame/template.
* obtain the beacon frame.
*
* If the beacon frames are generated by the host system (i.e., not in
* hardware/firmware), the driver uses this function to get each beacon
* frame from mac80211 -- it is responsible for calling this function
* before the beacon is needed (e.g. based on hardware interrupt).
*
* If the beacon frames are generated by the device, then the driver
* must use the returned beacon as the template and change the TIM IE
* according to the current DTIM parameters/TIM bitmap.
* frame from mac80211 -- it is responsible for calling this function exactly
* once before the beacon is needed (e.g. based on hardware interrupt).
*
* The driver is responsible for freeing the returned skb.
*
@ -3452,6 +3498,20 @@ static inline struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
return ieee80211_beacon_get_tim(hw, vif, NULL, NULL);
}
/**
* ieee80211_csa_update_counter - request mac80211 to decrement the csa counter
* @vif: &struct ieee80211_vif pointer from the add_interface callback.
*
* The csa counter should be updated after each beacon transmission.
* This function is called implicitly when
* ieee80211_beacon_get/ieee80211_beacon_get_tim are called, however if the
* beacon frames are generated by the device, the driver should call this
* function after each beacon transmission to sync mac80211's csa counters.
*
* Return: new csa counter value
*/
u8 ieee80211_csa_update_counter(struct ieee80211_vif *vif);
/**
* ieee80211_csa_finish - notify mac80211 about channel switch
* @vif: &struct ieee80211_vif pointer from the add_interface callback.
@ -4480,6 +4540,8 @@ struct rate_control_ops {
void (*add_sta_debugfs)(void *priv, void *priv_sta,
struct dentry *dir);
void (*remove_sta_debugfs)(void *priv, void *priv_sta);
u32 (*get_expected_throughput)(void *priv_sta);
};
static inline int rate_supported(struct ieee80211_sta *sta,

25
include/uapi/linux/nl80211.h
View File

@ -503,6 +503,9 @@
* TX status event pertaining to the TX request.
* %NL80211_ATTR_TX_NO_CCK_RATE is used to decide whether to send the
* management frames at CCK rate or not in 2GHz band.
* %NL80211_ATTR_CSA_C_OFFSETS_TX is an array of offsets to CSA
* counters which will be updated to the current value. This attribute
* is used during CSA period.
* @NL80211_CMD_FRAME_WAIT_CANCEL: When an off-channel TX was requested, this
* command may be used with the corresponding cookie to cancel the wait
* time if it is known that it is no longer necessary.
@ -1525,10 +1528,10 @@ enum nl80211_commands {
* operation).
* @NL80211_ATTR_CSA_IES: Nested set of attributes containing the IE information
* for the time while performing a channel switch.
* @NL80211_ATTR_CSA_C_OFF_BEACON: Offset of the channel switch counter
* field in the beacons tail (%NL80211_ATTR_BEACON_TAIL).
* @NL80211_ATTR_CSA_C_OFF_PRESP: Offset of the channel switch counter
* field in the probe response (%NL80211_ATTR_PROBE_RESP).
* @NL80211_ATTR_CSA_C_OFF_BEACON: An array of offsets (u16) to the channel
* switch counters in the beacons tail (%NL80211_ATTR_BEACON_TAIL).
* @NL80211_ATTR_CSA_C_OFF_PRESP: An array of offsets (u16) to the channel
* switch counters in the probe response (%NL80211_ATTR_PROBE_RESP).
*
* @NL80211_ATTR_RXMGMT_FLAGS: flags for nl80211_send_mgmt(), u32.
* As specified in the &enum nl80211_rxmgmt_flags.
@ -1576,6 +1579,11 @@ enum nl80211_commands {
* advertise values that cannot always be met. In such cases, an attempt
* to add a new station entry with @NL80211_CMD_NEW_STATION may fail.
*
* @NL80211_ATTR_CSA_C_OFFSETS_TX: An array of csa counter offsets (u16) which
* should be updated when the frame is transmitted.
* @NL80211_ATTR_MAX_CSA_COUNTERS: U8 attribute used to advertise the maximum
* supported number of csa counters.
*
* @NL80211_ATTR_TDLS_PEER_CAPABILITY: flags for TDLS peer capabilities, u32.
* As specified in the &enum nl80211_tdls_peer_capability.
*
@ -1920,6 +1928,9 @@ enum nl80211_attrs {
NL80211_ATTR_IFACE_SOCKET_OWNER,
NL80211_ATTR_CSA_C_OFFSETS_TX,
NL80211_ATTR_MAX_CSA_COUNTERS,
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,
@ -2188,6 +2199,8 @@ enum nl80211_sta_bss_param {
* Contains a nested array of signal strength attributes (u8, dBm)
* @NL80211_STA_INFO_CHAIN_SIGNAL_AVG: per-chain signal strength average
* Same format as NL80211_STA_INFO_CHAIN_SIGNAL.
* @NL80211_STA_EXPECTED_THROUGHPUT: expected throughput considering also the
* 802.11 header (u32, kbps)
* @__NL80211_STA_INFO_AFTER_LAST: internal
* @NL80211_STA_INFO_MAX: highest possible station info attribute
*/
@ -2219,6 +2232,7 @@ enum nl80211_sta_info {
NL80211_STA_INFO_TX_BYTES64,
NL80211_STA_INFO_CHAIN_SIGNAL,
NL80211_STA_INFO_CHAIN_SIGNAL_AVG,
NL80211_STA_INFO_EXPECTED_THROUGHPUT,
/* keep last */
__NL80211_STA_INFO_AFTER_LAST,
@ -3688,6 +3702,8 @@ enum nl80211_iface_limit_attrs {
* different channels may be used within this group.
* @NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS: u32 attribute containing the bitmap
* of supported channel widths for radar detection.
* @NL80211_IFACE_COMB_RADAR_DETECT_REGIONS: u32 attribute containing the bitmap
* of supported regulatory regions for radar detection.
* @NUM_NL80211_IFACE_COMB: number of attributes
* @MAX_NL80211_IFACE_COMB: highest attribute number
*
@ -3721,6 +3737,7 @@ enum nl80211_if_combination_attrs {
NL80211_IFACE_COMB_STA_AP_BI_MATCH,
NL80211_IFACE_COMB_NUM_CHANNELS,
NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
NL80211_IFACE_COMB_RADAR_DETECT_REGIONS,
/* keep last */
NUM_NL80211_IFACE_COMB,

3
net/mac80211/Makefile
View File

@ -25,7 +25,8 @@ mac80211-y := \
wme.o \
event.o \
chan.o \
trace.o mlme.o
trace.o mlme.o \
tdls.o
mac80211-$(CONFIG_MAC80211_LEDS) += led.o
mac80211-$(CONFIG_MAC80211_DEBUGFS) += \

540
net/mac80211/cfg.c
View File

@ -472,8 +472,10 @@ static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
{
struct ieee80211_sub_if_data *sdata = sta->sdata;
struct ieee80211_local *local = sdata->local;
struct rate_control_ref *ref = local->rate_ctrl;
struct timespec uptime;
u64 packets = 0;
u32 thr = 0;
int i, ac;
sinfo->generation = sdata->local->sta_generation;
@ -587,6 +589,17 @@ static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER);
/* check if the driver has a SW RC implementation */
if (ref && ref->ops->get_expected_throughput)
thr = ref->ops->get_expected_throughput(sta->rate_ctrl_priv);
else
thr = drv_get_expected_throughput(local, &sta->sta);
if (thr != 0) {
sinfo->filled |= STATION_INFO_EXPECTED_THROUGHPUT;
sinfo->expected_throughput = thr;
}
}
static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = {
@ -777,7 +790,7 @@ static void ieee80211_get_et_strings(struct wiphy *wiphy,
}
static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
int idx, u8 *mac, struct station_info *sinfo)
int idx, u8 *mac, struct station_info *sinfo)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = sdata->local;
@ -807,7 +820,7 @@ static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
}
static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
u8 *mac, struct station_info *sinfo)
const u8 *mac, struct station_info *sinfo)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = sdata->local;
@ -1084,6 +1097,31 @@ static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
return 0;
}
bool ieee80211_csa_needs_block_tx(struct ieee80211_local *local)
{
struct ieee80211_sub_if_data *sdata;
lockdep_assert_held(&local->mtx);
rcu_read_lock();
list_for_each_entry_rcu(sdata, &local->interfaces, list) {
if (!ieee80211_sdata_running(sdata))
continue;
if (!sdata->vif.csa_active)
continue;
if (!sdata->csa_block_tx)
continue;
rcu_read_unlock();
return true;
}
rcu_read_unlock();
return false;
}
static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
@ -1101,7 +1139,14 @@ static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
/* abort any running channel switch */
mutex_lock(&local->mtx);
sdata->vif.csa_active = false;
if (!ieee80211_csa_needs_block_tx(local))
ieee80211_wake_queues_by_reason(&local->hw,
IEEE80211_MAX_QUEUE_MAP,
IEEE80211_QUEUE_STOP_REASON_CSA);
mutex_unlock(&local->mtx);
kfree(sdata->u.ap.next_beacon);
sdata->u.ap.next_beacon = NULL;
@ -1425,7 +1470,8 @@ static int sta_apply_parameters(struct ieee80211_local *local,
}
static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
u8 *mac, struct station_parameters *params)
const u8 *mac,
struct station_parameters *params)
{
struct ieee80211_local *local = wiphy_priv(wiphy);
struct sta_info *sta;
@ -1459,6 +1505,8 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) {
sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
} else {
sta->sta.tdls = true;
}
err = sta_apply_parameters(local, sta, params);
@ -1492,7 +1540,7 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
}
static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
u8 *mac)
const u8 *mac)
{
struct ieee80211_sub_if_data *sdata;
@ -1506,7 +1554,7 @@ static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
}
static int ieee80211_change_station(struct wiphy *wiphy,
struct net_device *dev, u8 *mac,
struct net_device *dev, const u8 *mac,
struct station_parameters *params)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
@ -1631,7 +1679,7 @@ out_err:
#ifdef CONFIG_MAC80211_MESH
static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
u8 *dst, u8 *next_hop)
const u8 *dst, const u8 *next_hop)
{
struct ieee80211_sub_if_data *sdata;
struct mesh_path *mpath;
@ -1659,7 +1707,7 @@ static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
}
static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
u8 *dst)
const u8 *dst)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
@ -1670,9 +1718,8 @@ static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
return 0;
}
static int ieee80211_change_mpath(struct wiphy *wiphy,
struct net_device *dev,
u8 *dst, u8 *next_hop)
static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
const u8 *dst, const u8 *next_hop)
{
struct ieee80211_sub_if_data *sdata;
struct mesh_path *mpath;
@ -1764,8 +1811,8 @@ static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
}
static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
int idx, u8 *dst, u8 *next_hop,
struct mpath_info *pinfo)
int idx, u8 *dst, u8 *next_hop,
struct mpath_info *pinfo)
{
struct ieee80211_sub_if_data *sdata;
struct mesh_path *mpath;
@ -3019,26 +3066,11 @@ void ieee80211_csa_finish(struct ieee80211_vif *vif)
}
EXPORT_SYMBOL(ieee80211_csa_finish);
static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
u32 *changed)
{
struct ieee80211_local *local = sdata->local;
int err, changed = 0;
int err;
sdata_assert_lock(sdata);
mutex_lock(&local->mtx);
sdata->radar_required = sdata->csa_radar_required;
err = ieee80211_vif_change_channel(sdata, &changed);
mutex_unlock(&local->mtx);
if (WARN_ON(err < 0))
return;
if (!local->use_chanctx) {
local->_oper_chandef = sdata->csa_chandef;
ieee80211_hw_config(local, 0);
}
sdata->vif.csa_active = false;
switch (sdata->vif.type) {
case NL80211_IFTYPE_AP:
err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon);
@ -3046,35 +3078,74 @@ static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
sdata->u.ap.next_beacon = NULL;
if (err < 0)
return;
changed |= err;
return err;
*changed |= err;
break;
case NL80211_IFTYPE_ADHOC:
err = ieee80211_ibss_finish_csa(sdata);
if (err < 0)
return;
changed |= err;
return err;
*changed |= err;
break;
#ifdef CONFIG_MAC80211_MESH
case NL80211_IFTYPE_MESH_POINT:
err = ieee80211_mesh_finish_csa(sdata);
if (err < 0)
return;
changed |= err;
return err;
*changed |= err;
break;
#endif
default:
WARN_ON(1);
return;
return -EINVAL;
}
ieee80211_bss_info_change_notify(sdata, changed);
return 0;
}
ieee80211_wake_queues_by_reason(&sdata->local->hw,
static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_local *local = sdata->local;
u32 changed = 0;
int err;
sdata_assert_lock(sdata);
lockdep_assert_held(&local->mtx);
sdata->radar_required = sdata->csa_radar_required;
err = ieee80211_vif_change_channel(sdata, &changed);
if (err < 0)
return err;
if (!local->use_chanctx) {
local->_oper_chandef = sdata->csa_chandef;
ieee80211_hw_config(local, 0);
}
sdata->vif.csa_active = false;
err = ieee80211_set_after_csa_beacon(sdata, &changed);
if (err)
return err;
ieee80211_bss_info_change_notify(sdata, changed);
cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
if (!ieee80211_csa_needs_block_tx(local))
ieee80211_wake_queues_by_reason(&local->hw,
IEEE80211_MAX_QUEUE_MAP,
IEEE80211_QUEUE_STOP_REASON_CSA);
cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
return 0;
}
static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
{
if (__ieee80211_csa_finalize(sdata)) {
sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
GFP_KERNEL);
}
}
void ieee80211_csa_finalize_work(struct work_struct *work)
@ -3082,8 +3153,11 @@ void ieee80211_csa_finalize_work(struct work_struct *work)
struct ieee80211_sub_if_data *sdata =
container_of(work, struct ieee80211_sub_if_data,
csa_finalize_work);
struct ieee80211_local *local = sdata->local;
sdata_lock(sdata);
mutex_lock(&local->mtx);
/* AP might have been stopped while waiting for the lock. */
if (!sdata->vif.csa_active)
goto unlock;
@ -3094,6 +3168,7 @@ void ieee80211_csa_finalize_work(struct work_struct *work)
ieee80211_csa_finalize(sdata);
unlock:
mutex_unlock(&local->mtx);
sdata_unlock(sdata);
}
@ -3129,9 +3204,25 @@ static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
if (params->count <= 1)
break;
sdata->csa_counter_offset_beacon =
params->counter_offset_beacon;
sdata->csa_counter_offset_presp = params->counter_offset_presp;
if ((params->n_counter_offsets_beacon >
IEEE80211_MAX_CSA_COUNTERS_NUM) ||
(params->n_counter_offsets_presp >
IEEE80211_MAX_CSA_COUNTERS_NUM))
return -EINVAL;
/* make sure we don't have garbage in other counters */
memset(sdata->csa_counter_offset_beacon, 0,
sizeof(sdata->csa_counter_offset_beacon));
memset(sdata->csa_counter_offset_presp, 0,
sizeof(sdata->csa_counter_offset_presp));
memcpy(sdata->csa_counter_offset_beacon,
params->counter_offsets_beacon,
params->n_counter_offsets_beacon * sizeof(u16));
memcpy(sdata->csa_counter_offset_presp,
params->counter_offsets_presp,
params->n_counter_offsets_presp * sizeof(u16));
err = ieee80211_assign_beacon(sdata, &params->beacon_csa);
if (err < 0) {
kfree(sdata->u.ap.next_beacon);
@ -3220,8 +3311,9 @@ static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
return 0;
}
int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_csa_settings *params)
static int
__ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_csa_settings *params)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = sdata->local;
@ -3230,6 +3322,7 @@ int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
int err, num_chanctx, changed = 0;
sdata_assert_lock(sdata);
lockdep_assert_held(&local->mtx);
if (!list_empty(&local->roc_list) || local->scanning)
return -EBUSY;
@ -3272,15 +3365,16 @@ int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
return err;
sdata->csa_radar_required = params->radar_required;
if (params->block_tx)
ieee80211_stop_queues_by_reason(&local->hw,
IEEE80211_MAX_QUEUE_MAP,
IEEE80211_QUEUE_STOP_REASON_CSA);
sdata->csa_chandef = params->chandef;
sdata->csa_block_tx = params->block_tx;
sdata->csa_current_counter = params->count;
sdata->vif.csa_active = true;
if (sdata->csa_block_tx)
ieee80211_stop_queues_by_reason(&local->hw,
IEEE80211_MAX_QUEUE_MAP,
IEEE80211_QUEUE_STOP_REASON_CSA);
if (changed) {
ieee80211_bss_info_change_notify(sdata, changed);
drv_channel_switch_beacon(sdata, &params->chandef);
@ -3292,6 +3386,20 @@ int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
return 0;
}
int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_csa_settings *params)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = sdata->local;
int err;
mutex_lock(&local->mtx);
err = __ieee80211_channel_switch(wiphy, dev, params);
mutex_unlock(&local->mtx);
return err;
}
static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
struct cfg80211_mgmt_tx_params *params,
u64 *cookie)
@ -3304,6 +3412,7 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
bool need_offchan = false;
u32 flags;
int ret;
u8 *data;
if (params->dont_wait_for_ack)
flags = IEEE80211_TX_CTL_NO_ACK;
@ -3397,7 +3506,20 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
}
skb_reserve(skb, local->hw.extra_tx_headroom);
memcpy(skb_put(skb, params->len), params->buf, params->len);
data = skb_put(skb, params->len);
memcpy(data, params->buf, params->len);
/* Update CSA counters */
if (sdata->vif.csa_active &&
(sdata->vif.type == NL80211_IFTYPE_AP ||
sdata->vif.type == NL80211_IFTYPE_ADHOC) &&
params->n_csa_offsets) {
int i;
u8 c = sdata->csa_current_counter;
for (i = 0; i < params->n_csa_offsets; i++)
data[params->csa_offsets[i]] = c;
}
IEEE80211_SKB_CB(skb)->flags = flags;
@ -3506,320 +3628,6 @@ static int ieee80211_set_rekey_data(struct wiphy *wiphy,
return 0;
}
static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
{
u8 *pos = (void *)skb_put(skb, 7);
*pos++ = WLAN_EID_EXT_CAPABILITY;
*pos++ = 5; /* len */
*pos++ = 0x0;
*pos++ = 0x0;
*pos++ = 0x0;
*pos++ = 0x0;
*pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
}
static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_local *local = sdata->local;
u16 capab;
capab = 0;
if (ieee80211_get_sdata_band(sdata) != IEEE80211_BAND_2GHZ)
return capab;
if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
return capab;
}
static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
u8 *peer, u8 *bssid)
{
struct ieee80211_tdls_lnkie *lnkid;
lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
lnkid->ie_type = WLAN_EID_LINK_ID;
lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
memcpy(lnkid->bssid, bssid, ETH_ALEN);
memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
memcpy(lnkid->resp_sta, peer, ETH_ALEN);
}
static int
ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
u8 *peer, u8 action_code, u8 dialog_token,
u16 status_code, struct sk_buff *skb)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
struct ieee80211_tdls_data *tf;
tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
memcpy(tf->da, peer, ETH_ALEN);
memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
tf->ether_type = cpu_to_be16(ETH_P_TDLS);
tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
switch (action_code) {
case WLAN_TDLS_SETUP_REQUEST:
tf->category = WLAN_CATEGORY_TDLS;
tf->action_code = WLAN_TDLS_SETUP_REQUEST;
skb_put(skb, sizeof(tf->u.setup_req));
tf->u.setup_req.dialog_token = dialog_token;
tf->u.setup_req.capability =
cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
ieee80211_add_srates_ie(sdata, skb, false, band);
ieee80211_add_ext_srates_ie(sdata, skb, false, band);
ieee80211_tdls_add_ext_capab(skb);
break;
case WLAN_TDLS_SETUP_RESPONSE:
tf->category = WLAN_CATEGORY_TDLS;
tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
skb_put(skb, sizeof(tf->u.setup_resp));
tf->u.setup_resp.status_code = cpu_to_le16(status_code);
tf->u.setup_resp.dialog_token = dialog_token;
tf->u.setup_resp.capability =
cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
ieee80211_add_srates_ie(sdata, skb, false, band);
ieee80211_add_ext_srates_ie(sdata, skb, false, band);
ieee80211_tdls_add_ext_capab(skb);
break;
case WLAN_TDLS_SETUP_CONFIRM:
tf->category = WLAN_CATEGORY_TDLS;
tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
skb_put(skb, sizeof(tf->u.setup_cfm));
tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
tf->u.setup_cfm.dialog_token = dialog_token;
break;
case WLAN_TDLS_TEARDOWN:
tf->category = WLAN_CATEGORY_TDLS;
tf->action_code = WLAN_TDLS_TEARDOWN;
skb_put(skb, sizeof(tf->u.teardown));
tf->u.teardown.reason_code = cpu_to_le16(status_code);
break;
case WLAN_TDLS_DISCOVERY_REQUEST:
tf->category = WLAN_CATEGORY_TDLS;
tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
skb_put(skb, sizeof(tf->u.discover_req));
tf->u.discover_req.dialog_token = dialog_token;
break;
default:
return -EINVAL;
}
return 0;
}
static int
ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
u8 *peer, u8 action_code, u8 dialog_token,
u16 status_code, struct sk_buff *skb)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
struct ieee80211_mgmt *mgmt;
mgmt = (void *)skb_put(skb, 24);
memset(mgmt, 0, 24);
memcpy(mgmt->da, peer, ETH_ALEN);
memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
IEEE80211_STYPE_ACTION);
switch (action_code) {
case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
mgmt->u.action.u.tdls_discover_resp.action_code =
WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
mgmt->u.action.u.tdls_discover_resp.dialog_token =
dialog_token;
mgmt->u.action.u.tdls_discover_resp.capability =
cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
ieee80211_add_srates_ie(sdata, skb, false, band);
ieee80211_add_ext_srates_ie(sdata, skb, false, band);
ieee80211_tdls_add_ext_capab(skb);
break;
default:
return -EINVAL;
}
return 0;
}
static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
u8 *peer, u8 action_code, u8 dialog_token,
u16 status_code, u32 peer_capability,
const u8 *extra_ies, size_t extra_ies_len)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb = NULL;
bool send_direct;
int ret;
if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
return -ENOTSUPP;
/* make sure we are in managed mode, and associated */
if (sdata->vif.type != NL80211_IFTYPE_STATION ||
!sdata->u.mgd.associated)
return -EINVAL;
tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n",
action_code, peer);
skb = dev_alloc_skb(local->hw.extra_tx_headroom +
max(sizeof(struct ieee80211_mgmt),
sizeof(struct ieee80211_tdls_data)) +
50 + /* supported rates */
7 + /* ext capab */
extra_ies_len +
sizeof(struct ieee80211_tdls_lnkie));
if (!skb)
return -ENOMEM;
skb_reserve(skb, local->hw.extra_tx_headroom);
switch (action_code) {
case WLAN_TDLS_SETUP_REQUEST:
case WLAN_TDLS_SETUP_RESPONSE:
case WLAN_TDLS_SETUP_CONFIRM:
case WLAN_TDLS_TEARDOWN:
case WLAN_TDLS_DISCOVERY_REQUEST:
ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
action_code, dialog_token,
status_code, skb);
send_direct = false;
break;
case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
dialog_token, status_code,
skb);
send_direct = true;
break;
default:
ret = -ENOTSUPP;
break;
}
if (ret < 0)
goto fail;
if (extra_ies_len)
memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
/* the TDLS link IE is always added last */
switch (action_code) {
case WLAN_TDLS_SETUP_REQUEST:
case WLAN_TDLS_SETUP_CONFIRM:
case WLAN_TDLS_TEARDOWN:
case WLAN_TDLS_DISCOVERY_REQUEST:
/* we are the initiator */
ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
sdata->u.mgd.bssid);
break;
case WLAN_TDLS_SETUP_RESPONSE:
case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
/* we are the responder */
ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
sdata->u.mgd.bssid);
break;
default:
ret = -ENOTSUPP;
goto fail;
}
if (send_direct) {
ieee80211_tx_skb(sdata, skb);
return 0;
}
/*
* According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
* we should default to AC_VI.
*/
switch (action_code) {
case WLAN_TDLS_SETUP_REQUEST:
case WLAN_TDLS_SETUP_RESPONSE:
skb_set_queue_mapping(skb, IEEE80211_AC_BK);
skb->priority = 2;
break;
default:
skb_set_queue_mapping(skb, IEEE80211_AC_VI);
skb->priority = 5;
break;
}
/* disable bottom halves when entering the Tx path */
local_bh_disable();
ret = ieee80211_subif_start_xmit(skb, dev);
local_bh_enable();
return ret;
fail:
dev_kfree_skb(skb);
return ret;
}
static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
u8 *peer, enum nl80211_tdls_operation oper)
{
struct sta_info *sta;
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
return -ENOTSUPP;
if (sdata->vif.type != NL80211_IFTYPE_STATION)
return -EINVAL;
tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer);
switch (oper) {
case NL80211_TDLS_ENABLE_LINK:
rcu_read_lock();
sta = sta_info_get(sdata, peer);
if (!sta) {
rcu_read_unlock();
return -ENOLINK;
}
set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
rcu_read_unlock();
break;
case NL80211_TDLS_DISABLE_LINK:
return sta_info_destroy_addr(sdata, peer);
case NL80211_TDLS_TEARDOWN:
case NL80211_TDLS_SETUP:
case NL80211_TDLS_DISCOVERY_REQ:
/* We don't support in-driver setup/teardown/discovery */
return -ENOTSUPP;
default:
return -ENOTSUPP;
}
return 0;
}
static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
const u8 *peer, u64 *cookie)
{

4
net/mac80211/chan.c
View File

@ -855,7 +855,7 @@ static void
__ieee80211_vif_copy_chanctx_to_vlans(struct ieee80211_sub_if_data *sdata,
bool clear)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_local *local __maybe_unused = sdata->local;
struct ieee80211_sub_if_data *vlan;
struct ieee80211_chanctx_conf *conf;
@ -871,7 +871,7 @@ __ieee80211_vif_copy_chanctx_to_vlans(struct ieee80211_sub_if_data *sdata,
* to a channel context that has already been freed.
*/
conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
lockdep_is_held(&local->chanctx_mtx));
lockdep_is_held(&local->chanctx_mtx));
WARN_ON(!conf);
if (clear)

121
net/mac80211/driver-ops.h
View File

@ -5,11 +5,11 @@
#include "ieee80211_i.h"
#include "trace.h"
static inline void check_sdata_in_driver(struct ieee80211_sub_if_data *sdata)
static inline bool check_sdata_in_driver(struct ieee80211_sub_if_data *sdata)
{
WARN(!(sdata->flags & IEEE80211_SDATA_IN_DRIVER),
"%s: Failed check-sdata-in-driver check, flags: 0x%x\n",
sdata->dev ? sdata->dev->name : sdata->name, sdata->flags);
return !WARN(!(sdata->flags & IEEE80211_SDATA_IN_DRIVER),
"%s: Failed check-sdata-in-driver check, flags: 0x%x\n",
sdata->dev ? sdata->dev->name : sdata->name, sdata->flags);
}
static inline struct ieee80211_sub_if_data *
@ -168,7 +168,8 @@ static inline int drv_change_interface(struct ieee80211_local *local,
might_sleep();
check_sdata_in_driver(sdata);
if (!check_sdata_in_driver(sdata))
return -EIO;
trace_drv_change_interface(local, sdata, type, p2p);
ret = local->ops->change_interface(&local->hw, &sdata->vif, type, p2p);
@ -181,7 +182,8 @@ static inline void drv_remove_interface(struct ieee80211_local *local,
{
might_sleep();
check_sdata_in_driver(sdata);
if (!check_sdata_in_driver(sdata))
return;
trace_drv_remove_interface(local, sdata);
local->ops->remove_interface(&local->hw, &sdata->vif);
@ -219,7 +221,8 @@ static inline void drv_bss_info_changed(struct ieee80211_local *local,
sdata->vif.type == NL80211_IFTYPE_MONITOR))
return;
check_sdata_in_driver(sdata);
if (!check_sdata_in_driver(sdata))
return;
trace_drv_bss_info_changed(local, sdata, info, changed);
if (local->ops->bss_info_changed)
@ -278,7 +281,8 @@ static inline int drv_set_key(struct ieee80211_local *local,
might_sleep();
sdata = get_bss_sdata(sdata);
check_sdata_in_driver(sdata);
if (!check_sdata_in_driver(sdata))
return -EIO;
trace_drv_set_key(local, cmd, sdata, sta, key);
ret = local->ops->set_key(&local->hw, cmd, &sdata->vif, sta, key);
@ -298,7 +302,8 @@ static inline void drv_update_tkip_key(struct ieee80211_local *local,
ista = &sta->sta;
sdata = get_bss_sdata(sdata);
check_sdata_in_driver(sdata);
if (!check_sdata_in_driver(sdata))
return;
trace_drv_update_tkip_key(local, sdata, conf, ista, iv32);
if (local->ops->update_tkip_key)
@ -315,7 +320,8 @@ static inline int drv_hw_scan(struct ieee80211_local *local,
might_sleep();
check_sdata_in_driver(sdata);
if (!check_sdata_in_driver(sdata))
return -EIO;
trace_drv_hw_scan(local, sdata);
ret = local->ops->hw_scan(&local->hw, &sdata->vif, req);
@ -328,7 +334,8 @@ static inline void drv_cancel_hw_scan(struct ieee80211_local *local,
{
might_sleep();
check_sdata_in_driver(sdata);
if (!check_sdata_in_driver(sdata))
return;
trace_drv_cancel_hw_scan(local, sdata);
local->ops->cancel_hw_scan(&local->hw, &sdata->vif);
@ -345,7 +352,8 @@ drv_sched_scan_start(struct ieee80211_local *local,
might_sleep();
check_sdata_in_driver(sdata);
if (!check_sdata_in_driver(sdata))
return -EIO;
trace_drv_sched_scan_start(local, sdata);
ret = local->ops->sched_scan_start(&local->hw, &sdata->vif,
@ -361,7 +369,8 @@ static inline int drv_sched_scan_stop(struct ieee80211_local *local,
might_sleep();
check_sdata_in_driver(sdata);
if (!check_sdata_in_driver(sdata))
return -EIO;
trace_drv_sched_scan_stop(local, sdata);
ret = local->ops->sched_scan_stop(&local->hw, &sdata->vif);
@ -462,7 +471,8 @@ static inline void drv_sta_notify(struct ieee80211_local *local,
struct ieee80211_sta *sta)
{
sdata = get_bss_sdata(sdata);
check_sdata_in_driver(sdata);
if (!check_sdata_in_driver(sdata))
return;
trace_drv_sta_notify(local, sdata, cmd, sta);
if (local->ops->sta_notify)
@ -479,7 +489,8 @@ static inline int drv_sta_add(struct ieee80211_local *local,
might_sleep();
sdata = get_bss_sdata(sdata);
check_sdata_in_driver(sdata);
if (!check_sdata_in_driver(sdata))
return -EIO;
trace_drv_sta_add(local, sdata, sta);
if (local->ops->sta_add)
@ -497,7 +508,8 @@ static inline void drv_sta_remove(struct ieee80211_local *local,
might_sleep();
sdata = get_bss_sdata(sdata);
check_sdata_in_driver(sdata);
if (!check_sdata_in_driver(sdata))
return;
trace_drv_sta_remove(local, sdata, sta);
if (local->ops->sta_remove)
@ -515,7 +527,8 @@ static inline void drv_sta_add_debugfs(struct ieee80211_local *local,
might_sleep();
sdata = get_bss_sdata(sdata);
check_sdata_in_driver(sdata);
if (!check_sdata_in_driver(sdata))
return;
if (local->ops->sta_add_debugfs)
local->ops->sta_add_debugfs(&local->hw, &sdata->vif,
@ -545,7 +558,8 @@ static inline void drv_sta_pre_rcu_remove(struct ieee80211_local *local,
might_sleep();
sdata = get_bss_sdata(sdata);
check_sdata_in_driver(sdata);
if (!check_sdata_in_driver(sdata))
return;
trace_drv_sta_pre_rcu_remove(local, sdata, &sta->sta);
if (local->ops->sta_pre_rcu_remove)
@ -566,7 +580,8 @@ int drv_sta_state(struct ieee80211_local *local,
might_sleep();
sdata = get_bss_sdata(sdata);
check_sdata_in_driver(sdata);
if (!check_sdata_in_driver(sdata))
return -EIO;
trace_drv_sta_state(local, sdata, &sta->sta, old_state, new_state);
if (local->ops->sta_state) {
@ -590,7 +605,8 @@ static inline void drv_sta_rc_update(struct ieee80211_local *local,
struct ieee80211_sta *sta, u32 changed)
{
sdata = get_bss_sdata(sdata);
check_sdata_in_driver(sdata);
if (!check_sdata_in_driver(sdata))
return;
WARN_ON(changed & IEEE80211_RC_SUPP_RATES_CHANGED &&
(sdata->vif.type != NL80211_IFTYPE_ADHOC &&
@ -612,7 +628,8 @@ static inline int drv_conf_tx(struct ieee80211_local *local,
might_sleep();
check_sdata_in_driver(sdata);
if (!check_sdata_in_driver(sdata))
return -EIO;
trace_drv_conf_tx(local, sdata, ac, params);
if (local->ops->conf_tx)
@ -629,7 +646,8 @@ static inline u64 drv_get_tsf(struct ieee80211_local *local,
might_sleep();
check_sdata_in_driver(sdata);
if (!check_sdata_in_driver(sdata))
return ret;
trace_drv_get_tsf(local, sdata);
if (local->ops->get_tsf)
@ -644,7 +662,8 @@ static inline void drv_set_tsf(struct ieee80211_local *local,
{
might_sleep();
check_sdata_in_driver(sdata);
if (!check_sdata_in_driver(sdata))
return;
trace_drv_set_tsf(local, sdata, tsf);
if (local->ops->set_tsf)
@ -657,7 +676,8 @@ static inline void drv_reset_tsf(struct ieee80211_local *local,
{
might_sleep();
check_sdata_in_driver(sdata);
if (!check_sdata_in_driver(sdata))
return;
trace_drv_reset_tsf(local, sdata);
if (local->ops->reset_tsf)
@ -689,7 +709,8 @@ static inline int drv_ampdu_action(struct ieee80211_local *local,
might_sleep();
sdata = get_bss_sdata(sdata);
check_sdata_in_driver(sdata);
if (!check_sdata_in_driver(sdata))
return -EIO;
trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, buf_size);
@ -733,8 +754,8 @@ static inline void drv_flush(struct ieee80211_local *local,
might_sleep();
if (sdata)
check_sdata_in_driver(sdata);
if (sdata && !check_sdata_in_driver(sdata))
return;
trace_drv_flush(local, queues, drop);
if (local->ops->flush)
@ -854,7 +875,8 @@ static inline int drv_set_bitrate_mask(struct ieee80211_local *local,
might_sleep();
check_sdata_in_driver(sdata);
if (!check_sdata_in_driver(sdata))
return -EIO;
trace_drv_set_bitrate_mask(local, sdata, mask);
if (local->ops->set_bitrate_mask)
@ -869,7 +891,8 @@ static inline void drv_set_rekey_data(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
struct cfg80211_gtk_rekey_data *data)
{
check_sdata_in_driver(sdata);
if (!check_sdata_in_driver(sdata))
return;
trace_drv_set_rekey_data(local, sdata, data);
if (local->ops->set_rekey_data)
@ -937,7 +960,8 @@ static inline void drv_mgd_prepare_tx(struct ieee80211_local *local,
{
might_sleep();
check_sdata_in_driver(sdata);
if (!check_sdata_in_driver(sdata))
return;
WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION);
trace_drv_mgd_prepare_tx(local, sdata);
@ -964,6 +988,9 @@ static inline int drv_add_chanctx(struct ieee80211_local *local,
static inline void drv_remove_chanctx(struct ieee80211_local *local,
struct ieee80211_chanctx *ctx)
{
if (WARN_ON(!ctx->driver_present))
return;
trace_drv_remove_chanctx(local, ctx);
if (local->ops->remove_chanctx)
local->ops->remove_chanctx(&local->hw, &ctx->conf);
@ -989,7 +1016,8 @@ static inline int drv_assign_vif_chanctx(struct ieee80211_local *local,
{
int ret = 0;
check_sdata_in_driver(sdata);
if (!check_sdata_in_driver(sdata))
return -EIO;
trace_drv_assign_vif_chanctx(local, sdata, ctx);
if (local->ops->assign_vif_chanctx) {
@ -1007,7 +1035,8 @@ static inline void drv_unassign_vif_chanctx(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
struct ieee80211_chanctx *ctx)
{
check_sdata_in_driver(sdata);
if (!check_sdata_in_driver(sdata))
return;
trace_drv_unassign_vif_chanctx(local, sdata, ctx);
if (local->ops->unassign_vif_chanctx) {
@ -1024,7 +1053,8 @@ static inline int drv_start_ap(struct ieee80211_local *local,
{
int ret = 0;
check_sdata_in_driver(sdata);
if (!check_sdata_in_driver(sdata))
return -EIO;
trace_drv_start_ap(local, sdata, &sdata->vif.bss_conf);
if (local->ops->start_ap)
@ -1036,7 +1066,8 @@ static inline int drv_start_ap(struct ieee80211_local *local,
static inline void drv_stop_ap(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata)
{
check_sdata_in_driver(sdata);
if (!check_sdata_in_driver(sdata))
return;
trace_drv_stop_ap(local, sdata);
if (local->ops->stop_ap)
@ -1059,7 +1090,8 @@ drv_set_default_unicast_key(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
int key_idx)
{
check_sdata_in_driver(sdata);
if (!check_sdata_in_driver(sdata))
return;
WARN_ON_ONCE(key_idx < -1 || key_idx > 3);
@ -1101,7 +1133,8 @@ static inline int drv_join_ibss(struct ieee80211_local *local,
int ret = 0;
might_sleep();
check_sdata_in_driver(sdata);
if (!check_sdata_in_driver(sdata))
return -EIO;
trace_drv_join_ibss(local, sdata, &sdata->vif.bss_conf);
if (local->ops->join_ibss)
@ -1114,7 +1147,8 @@ static inline void drv_leave_ibss(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata)
{
might_sleep();
check_sdata_in_driver(sdata);
if (!check_sdata_in_driver(sdata))
return;
trace_drv_leave_ibss(local, sdata);
if (local->ops->leave_ibss)
@ -1122,4 +1156,17 @@ static inline void drv_leave_ibss(struct ieee80211_local *local,
trace_drv_return_void(local);
}
static inline u32 drv_get_expected_throughput(struct ieee80211_local *local,
struct ieee80211_sta *sta)
{
u32 ret = 0;
trace_drv_get_expected_throughput(sta);
if (local->ops->get_expected_throughput)
ret = local->ops->get_expected_throughput(sta);
trace_drv_return_u32(local, ret);
return ret;
}
#endif /* __MAC80211_DRIVER_OPS */

2
net/mac80211/ibss.c
View File

@ -143,7 +143,7 @@ ieee80211_ibss_build_presp(struct ieee80211_sub_if_data *sdata,
*pos++ = csa_settings->block_tx ? 1 : 0;
*pos++ = ieee80211_frequency_to_channel(
csa_settings->chandef.chan->center_freq);
sdata->csa_counter_offset_beacon = (pos - presp->head);
sdata->csa_counter_offset_beacon[0] = (pos - presp->head);
*pos++ = csa_settings->count;
}

17
net/mac80211/ieee80211_i.h
View File

@ -753,9 +753,10 @@ struct ieee80211_sub_if_data {
struct mac80211_qos_map __rcu *qos_map;
struct work_struct csa_finalize_work;
int csa_counter_offset_beacon;
int csa_counter_offset_presp;
u16 csa_counter_offset_beacon[IEEE80211_MAX_CSA_COUNTERS_NUM];
u16 csa_counter_offset_presp[IEEE80211_MAX_CSA_COUNTERS_NUM];
bool csa_radar_required;
bool csa_block_tx; /* write-protected by sdata_lock and local->mtx */
struct cfg80211_chan_def csa_chandef;
struct list_head assigned_chanctx_list; /* protected by chanctx_mtx */
@ -765,6 +766,7 @@ struct ieee80211_sub_if_data {
struct ieee80211_chanctx *reserved_chanctx;
struct cfg80211_chan_def reserved_chandef;
bool reserved_radar_required;
u8 csa_current_counter;
/* used to reconfigure hardware SM PS */
struct work_struct recalc_smps;
@ -1458,6 +1460,7 @@ __ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
struct cfg80211_sched_scan_request *req);
int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata);
void ieee80211_sched_scan_end(struct ieee80211_local *local);
void ieee80211_sched_scan_stopped_work(struct work_struct *work);
/* off-channel helpers */
@ -1472,6 +1475,7 @@ void ieee80211_sw_roc_work(struct work_struct *work);
void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc);
/* channel switch handling */
bool ieee80211_csa_needs_block_tx(struct ieee80211_local *local);
void ieee80211_csa_finalize_work(struct work_struct *work);
int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_csa_settings *params);
@ -1833,6 +1837,15 @@ int ieee80211_check_combinations(struct ieee80211_sub_if_data *sdata,
u8 radar_detect);
int ieee80211_max_num_channels(struct ieee80211_local *local);
/* TDLS */
int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
const u8 *peer, u8 action_code, u8 dialog_token,
u16 status_code, u32 peer_capability,
const u8 *extra_ies, size_t extra_ies_len);
int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
const u8 *peer, enum nl80211_tdls_operation oper);
#ifdef CONFIG_MAC80211_NOINLINE
#define debug_noinline noinline
#else

7
net/mac80211/iface.c
View File

@ -838,8 +838,15 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
cancel_work_sync(&sdata->recalc_smps);
sdata_lock(sdata);
mutex_lock(&local->mtx);
sdata->vif.csa_active = false;
if (!ieee80211_csa_needs_block_tx(local))
ieee80211_wake_queues_by_reason(&local->hw,
IEEE80211_MAX_QUEUE_MAP,
IEEE80211_QUEUE_STOP_REASON_CSA);
mutex_unlock(&local->mtx);
sdata_unlock(sdata);
cancel_work_sync(&sdata->csa_finalize_work);
cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);

7
net/mac80211/key.c
View File

@ -325,7 +325,8 @@ ieee80211_key_alloc(u32 cipher, int idx, size_t key_len,
struct ieee80211_key *key;
int i, j, err;
BUG_ON(idx < 0 || idx >= NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS);
if (WARN_ON(idx < 0 || idx >= NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS))
return ERR_PTR(-EINVAL);
key = kzalloc(sizeof(struct ieee80211_key) + key_len, GFP_KERNEL);
if (!key)
@ -481,8 +482,8 @@ int ieee80211_key_link(struct ieee80211_key *key,
int idx, ret;
bool pairwise;
BUG_ON(!sdata);
BUG_ON(!key);
if (WARN_ON(!sdata || !key))
return -EINVAL;
pairwise = key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE;
idx = key->conf.keyidx;

2
net/mac80211/main.c
View File

@ -956,6 +956,8 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
if (local->hw.wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)
local->hw.wiphy->flags |= WIPHY_FLAG_TDLS_EXTERNAL_SETUP;
local->hw.wiphy->max_num_csa_counters = IEEE80211_MAX_CSA_COUNTERS_NUM;
result = wiphy_register(local->hw.wiphy);
if (result < 0)
goto fail_wiphy_register;

2
net/mac80211/mesh.c
View File

@ -679,7 +679,7 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh)
*pos++ = 0x0;
*pos++ = ieee80211_frequency_to_channel(
csa->settings.chandef.chan->center_freq);
sdata->csa_counter_offset_beacon = hdr_len + 6;
sdata->csa_counter_offset_beacon[0] = hdr_len + 6;
*pos++ = csa->settings.count;
*pos++ = WLAN_EID_CHAN_SWITCH_PARAM;
*pos++ = 6;

6
net/mac80211/mesh_pathtbl.c
View File

@ -287,8 +287,10 @@ static void mesh_path_move_to_queue(struct mesh_path *gate_mpath,
struct sk_buff_head failq;
unsigned long flags;
BUG_ON(gate_mpath == from_mpath);
BUG_ON(!gate_mpath->next_hop);
if (WARN_ON(gate_mpath == from_mpath))
return;
if (WARN_ON(!gate_mpath->next_hop))
return;
__skb_queue_head_init(&failq);

2
net/mac80211/mesh_sync.c
View File

@ -171,7 +171,7 @@ static void mesh_sync_offset_adjust_tbtt(struct ieee80211_sub_if_data *sdata,
u8 cap;
WARN_ON(ifmsh->mesh_sp_id != IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET);
BUG_ON(!rcu_read_lock_held());
WARN_ON(!rcu_read_lock_held());
cap = beacon->meshconf->meshconf_cap;
spin_lock_bh(&ifmsh->sync_offset_lock);

50
net/mac80211/mlme.c
View File

@ -975,16 +975,23 @@ static void ieee80211_chswitch_work(struct work_struct *work)
/* XXX: shouldn't really modify cfg80211-owned data! */
ifmgd->associated->channel = sdata->csa_chandef.chan;
/* XXX: wait for a beacon first? */
ieee80211_wake_queues_by_reason(&local->hw,
IEEE80211_MAX_QUEUE_MAP,
IEEE80211_QUEUE_STOP_REASON_CSA);
ieee80211_bss_info_change_notify(sdata, changed);
out:
mutex_lock(&local->mtx);
sdata->vif.csa_active = false;
/* XXX: wait for a beacon first? */
if (!ieee80211_csa_needs_block_tx(local))
ieee80211_wake_queues_by_reason(&local->hw,
IEEE80211_MAX_QUEUE_MAP,
IEEE80211_QUEUE_STOP_REASON_CSA);
mutex_unlock(&local->mtx);
ifmgd->flags &= ~IEEE80211_STA_CSA_RECEIVED;
ieee80211_sta_reset_beacon_monitor(sdata);
ieee80211_sta_reset_conn_monitor(sdata);
out:
sdata_unlock(sdata);
}
@ -1100,12 +1107,16 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
mutex_unlock(&local->chanctx_mtx);
sdata->csa_chandef = csa_ie.chandef;
sdata->vif.csa_active = true;
if (csa_ie.mode)
mutex_lock(&local->mtx);
sdata->vif.csa_active = true;
sdata->csa_block_tx = csa_ie.mode;
if (sdata->csa_block_tx)
ieee80211_stop_queues_by_reason(&local->hw,
IEEE80211_MAX_QUEUE_MAP,
IEEE80211_QUEUE_STOP_REASON_CSA);
IEEE80211_MAX_QUEUE_MAP,
IEEE80211_QUEUE_STOP_REASON_CSA);
mutex_unlock(&local->mtx);
if (local->ops->channel_switch) {
/* use driver's channel switch callback */
@ -1817,6 +1828,12 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
ifmgd->flags = 0;
mutex_lock(&local->mtx);
ieee80211_vif_release_channel(sdata);
sdata->vif.csa_active = false;
if (!ieee80211_csa_needs_block_tx(local))
ieee80211_wake_queues_by_reason(&local->hw,
IEEE80211_MAX_QUEUE_MAP,
IEEE80211_QUEUE_STOP_REASON_CSA);
mutex_unlock(&local->mtx);
sdata->encrypt_headroom = IEEE80211_ENCRYPT_HEADROOM;
@ -2045,6 +2062,7 @@ EXPORT_SYMBOL(ieee80211_ap_probereq_get);
static void __ieee80211_disconnect(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
u8 frame_buf[IEEE80211_DEAUTH_FRAME_LEN];
@ -2058,10 +2076,14 @@ static void __ieee80211_disconnect(struct ieee80211_sub_if_data *sdata)
WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY,
true, frame_buf);
ifmgd->flags &= ~IEEE80211_STA_CSA_RECEIVED;
mutex_lock(&local->mtx);
sdata->vif.csa_active = false;
ieee80211_wake_queues_by_reason(&sdata->local->hw,
if (!ieee80211_csa_needs_block_tx(local))
ieee80211_wake_queues_by_reason(&local->hw,
IEEE80211_MAX_QUEUE_MAP,
IEEE80211_QUEUE_STOP_REASON_CSA);
mutex_unlock(&local->mtx);
cfg80211_tx_mlme_mgmt(sdata->dev, frame_buf,
IEEE80211_DEAUTH_FRAME_LEN);
@ -3546,6 +3568,9 @@ static void ieee80211_sta_bcn_mon_timer(unsigned long data)
if (local->quiescing)
return;
if (sdata->vif.csa_active)
return;
sdata->u.mgd.connection_loss = false;
ieee80211_queue_work(&sdata->local->hw,
&sdata->u.mgd.beacon_connection_loss_work);
@ -3561,6 +3586,9 @@ static void ieee80211_sta_conn_mon_timer(unsigned long data)
if (local->quiescing)
return;
if (sdata->vif.csa_active)
return;
ieee80211_queue_work(&local->hw, &ifmgd->monitor_work);
}

12
net/mac80211/rc80211_minstrel.c
View File

@ -657,6 +657,17 @@ minstrel_free(void *priv)
kfree(priv);
}
static u32 minstrel_get_expected_throughput(void *priv_sta)
{
struct minstrel_sta_info *mi = priv_sta;
int idx = mi->max_tp_rate[0];
/* convert pkt per sec in kbps (1200 is the average pkt size used for
* computing cur_tp
*/
return MINSTREL_TRUNC(mi->r[idx].cur_tp) * 1200 * 8 / 1024;
}
const struct rate_control_ops mac80211_minstrel = {
.name = "minstrel",
.tx_status = minstrel_tx_status,
@ -670,6 +681,7 @@ const struct rate_control_ops mac80211_minstrel = {
.add_sta_debugfs = minstrel_add_sta_debugfs,
.remove_sta_debugfs = minstrel_remove_sta_debugfs,
#endif
.get_expected_throughput = minstrel_get_expected_throughput,
};
int __init

22
net/mac80211/rc80211_minstrel_ht.c
View File

@ -22,7 +22,7 @@
#define MCS_NBITS (AVG_PKT_SIZE << 3)
/* Number of symbols for a packet with (bps) bits per symbol */
#define MCS_NSYMS(bps) ((MCS_NBITS + (bps) - 1) / (bps))
#define MCS_NSYMS(bps) DIV_ROUND_UP(MCS_NBITS, (bps))
/* Transmission time (nanoseconds) for a packet containing (syms) symbols */
#define MCS_SYMBOL_TIME(sgi, syms) \
@ -226,8 +226,9 @@ minstrel_ht_calc_tp(struct minstrel_ht_sta *mi, int group, int rate)
nsecs = 1000 * mi->overhead / MINSTREL_TRUNC(mi->avg_ampdu_len);
nsecs += minstrel_mcs_groups[group].duration[rate];
tp = 1000000 * ((prob * 1000) / nsecs);
/* prob is scaled - see MINSTREL_FRAC above */
tp = 1000000 * ((prob * 1000) / nsecs);
mr->cur_tp = MINSTREL_TRUNC(tp);
}
@ -1031,6 +1032,22 @@ minstrel_ht_free(void *priv)
mac80211_minstrel.free(priv);
}
static u32 minstrel_ht_get_expected_throughput(void *priv_sta)
{
struct minstrel_ht_sta_priv *msp = priv_sta;
struct minstrel_ht_sta *mi = &msp->ht;
int i, j;
if (!msp->is_ht)
return mac80211_minstrel.get_expected_throughput(priv_sta);
i = mi->max_tp_rate / MCS_GROUP_RATES;
j = mi->max_tp_rate % MCS_GROUP_RATES;
/* convert cur_tp from pkt per second in kbps */
return mi->groups[i].rates[j].cur_tp * AVG_PKT_SIZE * 8 / 1024;
}
static const struct rate_control_ops mac80211_minstrel_ht = {
.name = "minstrel_ht",
.tx_status = minstrel_ht_tx_status,
@ -1045,6 +1062,7 @@ static const struct rate_control_ops mac80211_minstrel_ht = {
.add_sta_debugfs = minstrel_ht_add_sta_debugfs,
.remove_sta_debugfs = minstrel_ht_remove_sta_debugfs,
#endif
.get_expected_throughput = minstrel_ht_get_expected_throughput,
};

15
net/mac80211/scan.c
View File

@ -1076,12 +1076,8 @@ void ieee80211_sched_scan_results(struct ieee80211_hw *hw)
}
EXPORT_SYMBOL(ieee80211_sched_scan_results);
void ieee80211_sched_scan_stopped_work(struct work_struct *work)
void ieee80211_sched_scan_end(struct ieee80211_local *local)
{
struct ieee80211_local *local =
container_of(work, struct ieee80211_local,
sched_scan_stopped_work);
mutex_lock(&local->mtx);
if (!rcu_access_pointer(local->sched_scan_sdata)) {
@ -1099,6 +1095,15 @@ void ieee80211_sched_scan_stopped_work(struct work_struct *work)
cfg80211_sched_scan_stopped(local->hw.wiphy);
}
void ieee80211_sched_scan_stopped_work(struct work_struct *work)
{
struct ieee80211_local *local =
container_of(work, struct ieee80211_local,
sched_scan_stopped_work);
ieee80211_sched_scan_end(local);
}
void ieee80211_sched_scan_stopped(struct ieee80211_hw *hw)
{
struct ieee80211_local *local = hw_to_local(hw);

325
net/mac80211/tdls.c Normal file
View File

@ -0,0 +1,325 @@
/*
* mac80211 TDLS handling code
*
* Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2014, Intel Corporation
*
* This file is GPLv2 as found in COPYING.
*/
#include <linux/ieee80211.h>
#include "ieee80211_i.h"
static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
{
u8 *pos = (void *)skb_put(skb, 7);
*pos++ = WLAN_EID_EXT_CAPABILITY;
*pos++ = 5; /* len */
*pos++ = 0x0;
*pos++ = 0x0;
*pos++ = 0x0;
*pos++ = 0x0;
*pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
}
static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_local *local = sdata->local;
u16 capab;
capab = 0;
if (ieee80211_get_sdata_band(sdata) != IEEE80211_BAND_2GHZ)
return capab;
if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
return capab;
}
static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, const u8 *src_addr,
const u8 *peer, const u8 *bssid)
{
struct ieee80211_tdls_lnkie *lnkid;
lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
lnkid->ie_type = WLAN_EID_LINK_ID;
lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
memcpy(lnkid->bssid, bssid, ETH_ALEN);
memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
memcpy(lnkid->resp_sta, peer, ETH_ALEN);
}
static int
ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
const u8 *peer, u8 action_code, u8 dialog_token,
u16 status_code, struct sk_buff *skb)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
struct ieee80211_tdls_data *tf;
tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
memcpy(tf->da, peer, ETH_ALEN);
memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
tf->ether_type = cpu_to_be16(ETH_P_TDLS);
tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
switch (action_code) {
case WLAN_TDLS_SETUP_REQUEST:
tf->category = WLAN_CATEGORY_TDLS;
tf->action_code = WLAN_TDLS_SETUP_REQUEST;
skb_put(skb, sizeof(tf->u.setup_req));
tf->u.setup_req.dialog_token = dialog_token;
tf->u.setup_req.capability =
cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
ieee80211_add_srates_ie(sdata, skb, false, band);
ieee80211_add_ext_srates_ie(sdata, skb, false, band);
ieee80211_tdls_add_ext_capab(skb);
break;
case WLAN_TDLS_SETUP_RESPONSE:
tf->category = WLAN_CATEGORY_TDLS;
tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
skb_put(skb, sizeof(tf->u.setup_resp));
tf->u.setup_resp.status_code = cpu_to_le16(status_code);
tf->u.setup_resp.dialog_token = dialog_token;
tf->u.setup_resp.capability =
cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
ieee80211_add_srates_ie(sdata, skb, false, band);
ieee80211_add_ext_srates_ie(sdata, skb, false, band);
ieee80211_tdls_add_ext_capab(skb);
break;
case WLAN_TDLS_SETUP_CONFIRM:
tf->category = WLAN_CATEGORY_TDLS;
tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
skb_put(skb, sizeof(tf->u.setup_cfm));
tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
tf->u.setup_cfm.dialog_token = dialog_token;
break;
case WLAN_TDLS_TEARDOWN:
tf->category = WLAN_CATEGORY_TDLS;
tf->action_code = WLAN_TDLS_TEARDOWN;
skb_put(skb, sizeof(tf->u.teardown));
tf->u.teardown.reason_code = cpu_to_le16(status_code);
break;
case WLAN_TDLS_DISCOVERY_REQUEST:
tf->category = WLAN_CATEGORY_TDLS;
tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
skb_put(skb, sizeof(tf->u.discover_req));
tf->u.discover_req.dialog_token = dialog_token;
break;
default:
return -EINVAL;
}
return 0;
}
static int
ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
const u8 *peer, u8 action_code, u8 dialog_token,
u16 status_code, struct sk_buff *skb)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
struct ieee80211_mgmt *mgmt;
mgmt = (void *)skb_put(skb, 24);
memset(mgmt, 0, 24);
memcpy(mgmt->da, peer, ETH_ALEN);
memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
IEEE80211_STYPE_ACTION);
switch (action_code) {
case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
mgmt->u.action.u.tdls_discover_resp.action_code =
WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
mgmt->u.action.u.tdls_discover_resp.dialog_token =
dialog_token;
mgmt->u.action.u.tdls_discover_resp.capability =
cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
ieee80211_add_srates_ie(sdata, skb, false, band);
ieee80211_add_ext_srates_ie(sdata, skb, false, band);
ieee80211_tdls_add_ext_capab(skb);
break;
default:
return -EINVAL;
}
return 0;
}
int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
const u8 *peer, u8 action_code, u8 dialog_token,
u16 status_code, u32 peer_capability,
const u8 *extra_ies, size_t extra_ies_len)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb = NULL;
bool send_direct;
int ret;
if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
return -ENOTSUPP;
/* make sure we are in managed mode, and associated */
if (sdata->vif.type != NL80211_IFTYPE_STATION ||
!sdata->u.mgd.associated)
return -EINVAL;
tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n",
action_code, peer);
skb = dev_alloc_skb(local->hw.extra_tx_headroom +
max(sizeof(struct ieee80211_mgmt),
sizeof(struct ieee80211_tdls_data)) +
50 + /* supported rates */
7 + /* ext capab */
extra_ies_len +
sizeof(struct ieee80211_tdls_lnkie));
if (!skb)
return -ENOMEM;
skb_reserve(skb, local->hw.extra_tx_headroom);
switch (action_code) {
case WLAN_TDLS_SETUP_REQUEST:
case WLAN_TDLS_SETUP_RESPONSE:
case WLAN_TDLS_SETUP_CONFIRM:
case WLAN_TDLS_TEARDOWN:
case WLAN_TDLS_DISCOVERY_REQUEST:
ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
action_code, dialog_token,
status_code, skb);
send_direct = false;
break;
case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
dialog_token, status_code,
skb);
send_direct = true;
break;
default:
ret = -ENOTSUPP;
break;
}
if (ret < 0)
goto fail;
if (extra_ies_len)
memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
/* the TDLS link IE is always added last */
switch (action_code) {
case WLAN_TDLS_SETUP_REQUEST:
case WLAN_TDLS_SETUP_CONFIRM:
case WLAN_TDLS_TEARDOWN:
case WLAN_TDLS_DISCOVERY_REQUEST:
/* we are the initiator */
ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
sdata->u.mgd.bssid);
break;
case WLAN_TDLS_SETUP_RESPONSE:
case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
/* we are the responder */
ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
sdata->u.mgd.bssid);
break;
default:
ret = -ENOTSUPP;
goto fail;
}
if (send_direct) {
ieee80211_tx_skb(sdata, skb);
return 0;
}
/*
* According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
* we should default to AC_VI.
*/
switch (action_code) {
case WLAN_TDLS_SETUP_REQUEST:
case WLAN_TDLS_SETUP_RESPONSE:
skb_set_queue_mapping(skb, IEEE80211_AC_BK);
skb->priority = 2;
break;
default:
skb_set_queue_mapping(skb, IEEE80211_AC_VI);
skb->priority = 5;
break;
}
/* disable bottom halves when entering the Tx path */
local_bh_disable();
ret = ieee80211_subif_start_xmit(skb, dev);
local_bh_enable();
return ret;
fail:
dev_kfree_skb(skb);
return ret;
}
int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
const u8 *peer, enum nl80211_tdls_operation oper)
{
struct sta_info *sta;
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
return -ENOTSUPP;
if (sdata->vif.type != NL80211_IFTYPE_STATION)
return -EINVAL;
tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer);
switch (oper) {
case NL80211_TDLS_ENABLE_LINK:
rcu_read_lock();
sta = sta_info_get(sdata, peer);
if (!sta) {
rcu_read_unlock();
return -ENOLINK;
}
set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
rcu_read_unlock();
break;
case NL80211_TDLS_DISABLE_LINK:
return sta_info_destroy_addr(sdata, peer);
case NL80211_TDLS_TEARDOWN:
case NL80211_TDLS_SETUP:
case NL80211_TDLS_DISCOVERY_REQ:
/* We don't support in-driver setup/teardown/discovery */
return -ENOTSUPP;
default:
return -ENOTSUPP;
}
return 0;
}

32
net/mac80211/trace.h
View File

@ -184,6 +184,20 @@ TRACE_EVENT(drv_return_bool,
"true" : "false")
);
TRACE_EVENT(drv_return_u32,
TP_PROTO(struct ieee80211_local *local, u32 ret),
TP_ARGS(local, ret),
TP_STRUCT__entry(
LOCAL_ENTRY
__field(u32, ret)
),
TP_fast_assign(
LOCAL_ASSIGN;
__entry->ret = ret;
),
TP_printk(LOCAL_PR_FMT " - %u", LOCAL_PR_ARG, __entry->ret)
);
TRACE_EVENT(drv_return_u64,
TP_PROTO(struct ieee80211_local *local, u64 ret),
TP_ARGS(local, ret),
@ -1499,6 +1513,24 @@ DEFINE_EVENT(local_sdata_evt, drv_leave_ibss,
TP_ARGS(local, sdata)
);
TRACE_EVENT(drv_get_expected_throughput,
TP_PROTO(struct ieee80211_sta *sta),
TP_ARGS(sta),
TP_STRUCT__entry(
STA_ENTRY
),
TP_fast_assign(
STA_ASSIGN;
),
TP_printk(
STA_PR_FMT, STA_PR_ARG
)
);
/*
* Tracing for API calls that drivers call.
*/

193
net/mac80211/tx.c
View File

@ -2328,7 +2328,8 @@ void ieee80211_tx_pending(unsigned long data)
/* functions for drivers to get certain frames */
static void __ieee80211_beacon_add_tim(struct ieee80211_sub_if_data *sdata,
struct ps_data *ps, struct sk_buff *skb)
struct ps_data *ps, struct sk_buff *skb,
bool is_template)
{
u8 *pos, *tim;
int aid0 = 0;
@ -2341,11 +2342,12 @@ static void __ieee80211_beacon_add_tim(struct ieee80211_sub_if_data *sdata,
* checking byte-for-byte */
have_bits = !bitmap_empty((unsigned long *)ps->tim,
IEEE80211_MAX_AID+1);
if (ps->dtim_count == 0)
ps->dtim_count = sdata->vif.bss_conf.dtim_period - 1;
else
ps->dtim_count--;
if (!is_template) {
if (ps->dtim_count == 0)
ps->dtim_count = sdata->vif.bss_conf.dtim_period - 1;
else
ps->dtim_count--;
}
tim = pos = (u8 *) skb_put(skb, 6);
*pos++ = WLAN_EID_TIM;
@ -2391,7 +2393,8 @@ static void __ieee80211_beacon_add_tim(struct ieee80211_sub_if_data *sdata,
}
static int ieee80211_beacon_add_tim(struct ieee80211_sub_if_data *sdata,
struct ps_data *ps, struct sk_buff *skb)
struct ps_data *ps, struct sk_buff *skb,
bool is_template)
{
struct ieee80211_local *local = sdata->local;
@ -2403,24 +2406,24 @@ static int ieee80211_beacon_add_tim(struct ieee80211_sub_if_data *sdata,
* of the tim bitmap in mac80211 and the driver.
*/
if (local->tim_in_locked_section) {
__ieee80211_beacon_add_tim(sdata, ps, skb);
__ieee80211_beacon_add_tim(sdata, ps, skb, is_template);
} else {
spin_lock_bh(&local->tim_lock);
__ieee80211_beacon_add_tim(sdata, ps, skb);
__ieee80211_beacon_add_tim(sdata, ps, skb, is_template);
spin_unlock_bh(&local->tim_lock);
}
return 0;
}
static void ieee80211_update_csa(struct ieee80211_sub_if_data *sdata,
struct beacon_data *beacon)
static void ieee80211_set_csa(struct ieee80211_sub_if_data *sdata,
struct beacon_data *beacon)
{
struct probe_resp *resp;
int counter_offset_beacon = sdata->csa_counter_offset_beacon;
int counter_offset_presp = sdata->csa_counter_offset_presp;
u8 *beacon_data;
size_t beacon_data_len;
int i;
u8 count = sdata->csa_current_counter;
switch (sdata->vif.type) {
case NL80211_IFTYPE_AP:
@ -2438,40 +2441,57 @@ static void ieee80211_update_csa(struct ieee80211_sub_if_data *sdata,
default:
return;
}
if (WARN_ON(counter_offset_beacon >= beacon_data_len))
return;
/* Warn if the driver did not check for/react to csa
* completeness. A beacon with CSA counter set to 0 should
* never occur, because a counter of 1 means switch just
* before the next beacon.
*/
if (WARN_ON(beacon_data[counter_offset_beacon] == 1))
return;
for (i = 0; i < IEEE80211_MAX_CSA_COUNTERS_NUM; ++i) {
u16 counter_offset_beacon =
sdata->csa_counter_offset_beacon[i];
u16 counter_offset_presp = sdata->csa_counter_offset_presp[i];
beacon_data[counter_offset_beacon]--;
if (counter_offset_beacon) {
if (WARN_ON(counter_offset_beacon >= beacon_data_len))
return;
if (sdata->vif.type == NL80211_IFTYPE_AP && counter_offset_presp) {
rcu_read_lock();
resp = rcu_dereference(sdata->u.ap.probe_resp);
/* if nl80211 accepted the offset, this should not happen. */
if (WARN_ON(!resp)) {
rcu_read_unlock();
return;
beacon_data[counter_offset_beacon] = count;
}
if (sdata->vif.type == NL80211_IFTYPE_AP &&
counter_offset_presp) {
rcu_read_lock();
resp = rcu_dereference(sdata->u.ap.probe_resp);
/* If nl80211 accepted the offset, this should
* not happen.
*/
if (WARN_ON(!resp)) {
rcu_read_unlock();
return;
}
resp->data[counter_offset_presp] = count;
rcu_read_unlock();
}
resp->data[counter_offset_presp]--;
rcu_read_unlock();
}
}
u8 ieee80211_csa_update_counter(struct ieee80211_vif *vif)
{
struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
sdata->csa_current_counter--;
/* the counter should never reach 0 */
WARN_ON(!sdata->csa_current_counter);
return sdata->csa_current_counter;
}
EXPORT_SYMBOL(ieee80211_csa_update_counter);
bool ieee80211_csa_is_complete(struct ieee80211_vif *vif)
{
struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
struct beacon_data *beacon = NULL;
u8 *beacon_data;
size_t beacon_data_len;
int counter_beacon = sdata->csa_counter_offset_beacon;
int counter_beacon = sdata->csa_counter_offset_beacon[0];
int ret = false;
if (!ieee80211_sdata_running(sdata))
@ -2521,9 +2541,11 @@ bool ieee80211_csa_is_complete(struct ieee80211_vif *vif)
}
EXPORT_SYMBOL(ieee80211_csa_is_complete);
struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
u16 *tim_offset, u16 *tim_length)
static struct sk_buff *
__ieee80211_beacon_get(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_mutable_offsets *offs,
bool is_template)
{
struct ieee80211_local *local = hw_to_local(hw);
struct sk_buff *skb = NULL;
@ -2532,6 +2554,7 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw,
enum ieee80211_band band;
struct ieee80211_tx_rate_control txrc;
struct ieee80211_chanctx_conf *chanctx_conf;
int csa_off_base = 0;
rcu_read_lock();
@ -2541,18 +2564,20 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw,
if (!ieee80211_sdata_running(sdata) || !chanctx_conf)
goto out;
if (tim_offset)
*tim_offset = 0;
if (tim_length)
*tim_length = 0;
if (offs)
memset(offs, 0, sizeof(*offs));
if (sdata->vif.type == NL80211_IFTYPE_AP) {
struct ieee80211_if_ap *ap = &sdata->u.ap;
struct beacon_data *beacon = rcu_dereference(ap->beacon);
if (beacon) {
if (sdata->vif.csa_active)
ieee80211_update_csa(sdata, beacon);
if (sdata->vif.csa_active) {
if (!is_template)
ieee80211_csa_update_counter(vif);
ieee80211_set_csa(sdata, beacon);
}
/*
* headroom, head length,
@ -2569,12 +2594,16 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw,
memcpy(skb_put(skb, beacon->head_len), beacon->head,
beacon->head_len);
ieee80211_beacon_add_tim(sdata, &ap->ps, skb);
ieee80211_beacon_add_tim(sdata, &ap->ps, skb,
is_template);
if (tim_offset)
*tim_offset = beacon->head_len;
if (tim_length)
*tim_length = skb->len - beacon->head_len;
if (offs) {
offs->tim_offset = beacon->head_len;
offs->tim_length = skb->len - beacon->head_len;
/* for AP the csa offsets are from tail */
csa_off_base = skb->len;
}
if (beacon->tail)
memcpy(skb_put(skb, beacon->tail_len),
@ -2589,9 +2618,12 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw,
if (!presp)
goto out;
if (sdata->vif.csa_active)
ieee80211_update_csa(sdata, presp);
if (sdata->vif.csa_active) {
if (!is_template)
ieee80211_csa_update_counter(vif);
ieee80211_set_csa(sdata, presp);
}
skb = dev_alloc_skb(local->tx_headroom + presp->head_len +
local->hw.extra_beacon_tailroom);
@ -2611,8 +2643,17 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw,
if (!bcn)
goto out;
if (sdata->vif.csa_active)
ieee80211_update_csa(sdata, bcn);
if (sdata->vif.csa_active) {
if (!is_template)
/* TODO: For mesh csa_counter is in TU, so
* decrementing it by one isn't correct, but
* for now we leave it consistent with overall
* mac80211's behavior.
*/
ieee80211_csa_update_counter(vif);
ieee80211_set_csa(sdata, bcn);
}
if (ifmsh->sync_ops)
ifmsh->sync_ops->adjust_tbtt(sdata, bcn);
@ -2626,13 +2667,33 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw,
goto out;
skb_reserve(skb, local->tx_headroom);
memcpy(skb_put(skb, bcn->head_len), bcn->head, bcn->head_len);
ieee80211_beacon_add_tim(sdata, &ifmsh->ps, skb);
ieee80211_beacon_add_tim(sdata, &ifmsh->ps, skb, is_template);
if (offs) {
offs->tim_offset = bcn->head_len;
offs->tim_length = skb->len - bcn->head_len;
}
memcpy(skb_put(skb, bcn->tail_len), bcn->tail, bcn->tail_len);
} else {
WARN_ON(1);
goto out;
}
/* CSA offsets */
if (offs) {
int i;
for (i = 0; i < IEEE80211_MAX_CSA_COUNTERS_NUM; i++) {
u16 csa_off = sdata->csa_counter_offset_beacon[i];
if (!csa_off)
continue;
offs->csa_counter_offs[i] = csa_off_base + csa_off;
}
}
band = chanctx_conf->def.chan->band;
info = IEEE80211_SKB_CB(skb);
@ -2663,6 +2724,32 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw,
out:
rcu_read_unlock();
return skb;
}
struct sk_buff *
ieee80211_beacon_get_template(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_mutable_offsets *offs)
{
return __ieee80211_beacon_get(hw, vif, offs, true);
}
EXPORT_SYMBOL(ieee80211_beacon_get_template);
struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
u16 *tim_offset, u16 *tim_length)
{
struct ieee80211_mutable_offsets offs = {};
struct sk_buff *bcn = __ieee80211_beacon_get(hw, vif, &offs, false);
if (tim_offset)
*tim_offset = offs.tim_offset;
if (tim_length)
*tim_length = offs.tim_length;
return bcn;
}
EXPORT_SYMBOL(ieee80211_beacon_get_tim);

46
net/mac80211/util.c
View File

@ -1457,6 +1457,44 @@ void ieee80211_stop_device(struct ieee80211_local *local)
drv_stop(local);
}
static void ieee80211_handle_reconfig_failure(struct ieee80211_local *local)
{
struct ieee80211_sub_if_data *sdata;
struct ieee80211_chanctx *ctx;
/*
* We get here if during resume the device can't be restarted properly.
* We might also get here if this happens during HW reset, which is a
* slightly different situation and we need to drop all connections in
* the latter case.
*
* Ask cfg80211 to turn off all interfaces, this will result in more
* warnings but at least we'll then get into a clean stopped state.
*/
local->resuming = false;
local->suspended = false;
local->started = false;
/* scheduled scan clearly can't be running any more, but tell
* cfg80211 and clear local state
*/
ieee80211_sched_scan_end(local);
list_for_each_entry(sdata, &local->interfaces, list)
sdata->flags &= ~IEEE80211_SDATA_IN_DRIVER;
/* Mark channel contexts as not being in the driver any more to avoid
* removing them from the driver during the shutdown process...
*/
mutex_lock(&local->chanctx_mtx);
list_for_each_entry(ctx, &local->chanctx_list, list)
ctx->driver_present = false;
mutex_unlock(&local->chanctx_mtx);
cfg80211_shutdown_all_interfaces(local->hw.wiphy);
}
static void ieee80211_assign_chanctx(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata)
{
@ -1520,9 +1558,11 @@ int ieee80211_reconfig(struct ieee80211_local *local)
*/
res = drv_start(local);
if (res) {
WARN(local->suspended, "Hardware became unavailable "
"upon resume. This could be a software issue "
"prior to suspend or a hardware issue.\n");
if (local->suspended)
WARN(1, "Hardware became unavailable upon resume. This could be a software issue prior to suspend or a hardware issue.\n");
else
WARN(1, "Hardware became unavailable during restart.\n");
ieee80211_handle_reconfig_failure(local);
return res;
}

19
net/rfkill/rfkill-gpio.c
View File

@ -45,17 +45,14 @@ static int rfkill_gpio_set_power(void *data, bool blocked)
{
struct rfkill_gpio_data *rfkill = data;
if (blocked) {
gpiod_set_value(rfkill->shutdown_gpio, 0);
gpiod_set_value(rfkill->reset_gpio, 0);
if (!IS_ERR(rfkill->clk) && rfkill->clk_enabled)
clk_disable(rfkill->clk);
} else {
if (!IS_ERR(rfkill->clk) && !rfkill->clk_enabled)
clk_enable(rfkill->clk);
gpiod_set_value(rfkill->reset_gpio, 1);
gpiod_set_value(rfkill->shutdown_gpio, 1);
}
if (!blocked && !IS_ERR(rfkill->clk) && !rfkill->clk_enabled)
clk_enable(rfkill->clk);
gpiod_set_value_cansleep(rfkill->shutdown_gpio, !blocked);
gpiod_set_value_cansleep(rfkill->reset_gpio, !blocked);
if (blocked && !IS_ERR(rfkill->clk) && rfkill->clk_enabled)
clk_disable(rfkill->clk);
rfkill->clk_enabled = blocked;

4
net/wireless/ap.c
View File

@ -6,8 +6,8 @@
#include "rdev-ops.h"
static int __cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
struct net_device *dev, bool notify)
int __cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
struct net_device *dev, bool notify)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
int err;

5
net/wireless/chan.c
View File

@ -370,8 +370,8 @@ int cfg80211_chandef_dfs_required(struct wiphy *wiphy,
case NL80211_IFTYPE_AP_VLAN:
case NL80211_IFTYPE_WDS:
case NL80211_IFTYPE_P2P_DEVICE:
case NL80211_IFTYPE_UNSPECIFIED:
break;
case NL80211_IFTYPE_UNSPECIFIED:
case NUM_NL80211_IFTYPES:
WARN_ON(1);
}
@ -796,8 +796,7 @@ bool cfg80211_reg_can_beacon(struct wiphy *wiphy,
!cfg80211_go_permissive_chan(rdev, chandef->chan))
prohibited_flags |= IEEE80211_CHAN_NO_IR;
if (cfg80211_chandef_dfs_required(wiphy, chandef,
NL80211_IFTYPE_UNSPECIFIED) > 0 &&
if (cfg80211_chandef_dfs_required(wiphy, chandef, iftype) > 0 &&
cfg80211_chandef_dfs_available(wiphy, chandef)) {
/* We can skip IEEE80211_CHAN_NO_IR if chandef dfs available */
prohibited_flags = IEEE80211_CHAN_DISABLED;

67
net/wireless/core.c
View File

@ -210,15 +210,12 @@ void cfg80211_stop_p2p_device(struct cfg80211_registered_device *rdev,
}
}
static int cfg80211_rfkill_set_block(void *data, bool blocked)
void cfg80211_shutdown_all_interfaces(struct wiphy *wiphy)
{
struct cfg80211_registered_device *rdev = data;
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
struct wireless_dev *wdev;
if (!blocked)
return 0;
rtnl_lock();
ASSERT_RTNL();
list_for_each_entry(wdev, &rdev->wdev_list, list) {
if (wdev->netdev) {
@ -234,7 +231,18 @@ static int cfg80211_rfkill_set_block(void *data, bool blocked)
break;
}
}
}
EXPORT_SYMBOL_GPL(cfg80211_shutdown_all_interfaces);
static int cfg80211_rfkill_set_block(void *data, bool blocked)
{
struct cfg80211_registered_device *rdev = data;
if (!blocked)
return 0;
rtnl_lock();
cfg80211_shutdown_all_interfaces(&rdev->wiphy);
rtnl_unlock();
return 0;
@ -394,6 +402,8 @@ struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv)
rdev->wiphy.rts_threshold = (u32) -1;
rdev->wiphy.coverage_class = 0;
rdev->wiphy.max_num_csa_counters = 1;
return &rdev->wiphy;
}
EXPORT_SYMBOL(wiphy_new);
@ -690,7 +700,7 @@ void wiphy_unregister(struct wiphy *wiphy)
rtnl_lock();
rdev->wiphy.registered = false;
BUG_ON(!list_empty(&rdev->wdev_list));
WARN_ON(!list_empty(&rdev->wdev_list));
/*
* First remove the hardware from everywhere, this makes
@ -792,23 +802,23 @@ void cfg80211_update_iface_num(struct cfg80211_registered_device *rdev,
rdev->num_running_monitor_ifaces += num;
}
void cfg80211_leave(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev)
void __cfg80211_leave(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev)
{
struct net_device *dev = wdev->netdev;
ASSERT_RTNL();
ASSERT_WDEV_LOCK(wdev);
switch (wdev->iftype) {
case NL80211_IFTYPE_ADHOC:
cfg80211_leave_ibss(rdev, dev, true);
__cfg80211_leave_ibss(rdev, dev, true);
break;
case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_STATION:
if (rdev->sched_scan_req && dev == rdev->sched_scan_req->dev)
__cfg80211_stop_sched_scan(rdev, false);
wdev_lock(wdev);
#ifdef CONFIG_CFG80211_WEXT
kfree(wdev->wext.ie);
wdev->wext.ie = NULL;
@ -817,20 +827,49 @@ void cfg80211_leave(struct cfg80211_registered_device *rdev,
#endif
cfg80211_disconnect(rdev, dev,
WLAN_REASON_DEAUTH_LEAVING, true);
wdev_unlock(wdev);
break;
case NL80211_IFTYPE_MESH_POINT:
cfg80211_leave_mesh(rdev, dev);
__cfg80211_leave_mesh(rdev, dev);
break;
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_P2P_GO:
cfg80211_stop_ap(rdev, dev, true);
__cfg80211_stop_ap(rdev, dev, true);
break;
default:
break;
}
}
void cfg80211_leave(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev)
{
wdev_lock(wdev);
__cfg80211_leave(rdev, wdev);
wdev_unlock(wdev);
}
void cfg80211_stop_iface(struct wiphy *wiphy, struct wireless_dev *wdev,
gfp_t gfp)
{
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
struct cfg80211_event *ev;
unsigned long flags;
trace_cfg80211_stop_iface(wiphy, wdev);
ev = kzalloc(sizeof(*ev), gfp);
if (!ev)
return;
ev->type = EVENT_STOPPED;
spin_lock_irqsave(&wdev->event_lock, flags);
list_add_tail(&ev->list, &wdev->event_list);
spin_unlock_irqrestore(&wdev->event_lock, flags);
queue_work(cfg80211_wq, &rdev->event_work);
}
EXPORT_SYMBOL(cfg80211_stop_iface);
static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
unsigned long state, void *ptr)
{

7
net/wireless/core.h
View File

@ -185,6 +185,7 @@ enum cfg80211_event_type {
EVENT_ROAMED,
EVENT_DISCONNECTED,
EVENT_IBSS_JOINED,
EVENT_STOPPED,
};
struct cfg80211_event {
@ -281,6 +282,8 @@ int cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
struct net_device *dev,
struct mesh_setup *setup,
const struct mesh_config *conf);
int __cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
struct net_device *dev);
int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
struct net_device *dev);
int cfg80211_set_mesh_channel(struct cfg80211_registered_device *rdev,
@ -288,6 +291,8 @@ int cfg80211_set_mesh_channel(struct cfg80211_registered_device *rdev,
struct cfg80211_chan_def *chandef);
/* AP */
int __cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
struct net_device *dev, bool notify);
int cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
struct net_device *dev, bool notify);
@ -441,6 +446,8 @@ int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev,
void cfg80211_update_iface_num(struct cfg80211_registered_device *rdev,
enum nl80211_iftype iftype, int num);
void __cfg80211_leave(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev);
void cfg80211_leave(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev);

2
net/wireless/ibss.c
View File

@ -420,8 +420,8 @@ int cfg80211_ibss_wext_siwessid(struct net_device *dev,
if (len > 0 && ssid[len - 1] == '\0')
len--;
memcpy(wdev->ssid, ssid, len);
wdev->wext.ibss.ssid = wdev->ssid;
memcpy(wdev->wext.ibss.ssid, ssid, len);
wdev->wext.ibss.ssid_len = len;
wdev_lock(wdev);

4
net/wireless/mesh.c
View File

@ -238,8 +238,8 @@ int cfg80211_set_mesh_channel(struct cfg80211_registered_device *rdev,
return 0;
}
static int __cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
struct net_device *dev)
int __cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
struct net_device *dev)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
int err;

140
net/wireless/nl80211.c
View File

@ -371,8 +371,8 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
[NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 },
[NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG },
[NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED },
[NL80211_ATTR_CSA_C_OFF_BEACON] = { .type = NLA_U16 },
[NL80211_ATTR_CSA_C_OFF_PRESP] = { .type = NLA_U16 },
[NL80211_ATTR_CSA_C_OFF_BEACON] = { .type = NLA_BINARY },
[NL80211_ATTR_CSA_C_OFF_PRESP] = { .type = NLA_BINARY },
[NL80211_ATTR_STA_SUPPORTED_CHANNELS] = { .type = NLA_BINARY },
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] = { .type = NLA_BINARY },
[NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG },
@ -386,6 +386,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
[NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 },
[NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 },
[NL80211_ATTR_IFACE_SOCKET_OWNER] = { .type = NLA_FLAG },
[NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY },
};
/* policy for the key attributes */
@ -970,8 +971,10 @@ static int nl80211_put_iface_combinations(struct wiphy *wiphy,
c->max_interfaces))
goto nla_put_failure;
if (large &&
nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
c->radar_detect_widths))
(nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
c->radar_detect_widths) ||
nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS,
c->radar_detect_regions)))
goto nla_put_failure;
nla_nest_end(msg, nl_combi);
@ -1667,6 +1670,13 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
}
nla_nest_end(msg, nested);
}
state->split_start++;
break;
case 12:
if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH &&
nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS,
rdev->wiphy.max_num_csa_counters))
goto nla_put_failure;
/* done */
state->split_start = 0;
@ -3640,6 +3650,10 @@ static int nl80211_send_station(struct sk_buff *msg, u32 portid, u32 seq,
nla_put_u32(msg, NL80211_STA_INFO_TX_FAILED,
sinfo->tx_failed))
goto nla_put_failure;
if ((sinfo->filled & STATION_INFO_EXPECTED_THROUGHPUT) &&
nla_put_u32(msg, NL80211_STA_INFO_EXPECTED_THROUGHPUT,
sinfo->expected_throughput))
goto nla_put_failure;
if ((sinfo->filled & STATION_INFO_BEACON_LOSS_COUNT) &&
nla_put_u32(msg, NL80211_STA_INFO_BEACON_LOSS,
sinfo->beacon_loss_count))
@ -5820,7 +5834,7 @@ static int nl80211_start_radar_detection(struct sk_buff *skb,
return -EBUSY;
err = cfg80211_chandef_dfs_required(wdev->wiphy, &chandef,
NL80211_IFTYPE_UNSPECIFIED);
wdev->iftype);
if (err < 0)
return err;
@ -5861,6 +5875,7 @@ static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
u8 radar_detect_width = 0;
int err;
bool need_new_beacon = false;
int len, i;
if (!rdev->ops->channel_switch ||
!(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH))
@ -5919,26 +5934,55 @@ static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON])
return -EINVAL;
params.counter_offset_beacon =
nla_get_u16(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]);
if (params.counter_offset_beacon >= params.beacon_csa.tail_len)
len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]);
if (!len || (len % sizeof(u16)))
return -EINVAL;
/* sanity check - counters should be the same */
if (params.beacon_csa.tail[params.counter_offset_beacon] !=
params.count)
params.n_counter_offsets_beacon = len / sizeof(u16);
if (rdev->wiphy.max_num_csa_counters &&
(params.n_counter_offsets_beacon >
rdev->wiphy.max_num_csa_counters))
return -EINVAL;
params.counter_offsets_beacon =
nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]);
/* sanity checks - counters should fit and be the same */
for (i = 0; i < params.n_counter_offsets_beacon; i++) {
u16 offset = params.counter_offsets_beacon[i];
if (offset >= params.beacon_csa.tail_len)
return -EINVAL;
if (params.beacon_csa.tail[offset] != params.count)
return -EINVAL;
}
if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) {
params.counter_offset_presp =
nla_get_u16(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]);
if (params.counter_offset_presp >=
params.beacon_csa.probe_resp_len)
len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]);
if (!len || (len % sizeof(u16)))
return -EINVAL;
if (params.beacon_csa.probe_resp[params.counter_offset_presp] !=
params.count)
params.n_counter_offsets_presp = len / sizeof(u16);
if (rdev->wiphy.max_num_csa_counters &&
(params.n_counter_offsets_beacon >
rdev->wiphy.max_num_csa_counters))
return -EINVAL;
params.counter_offsets_presp =
nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]);
/* sanity checks - counters should fit and be the same */
for (i = 0; i < params.n_counter_offsets_presp; i++) {
u16 offset = params.counter_offsets_presp[i];
if (offset >= params.beacon_csa.probe_resp_len)
return -EINVAL;
if (params.beacon_csa.probe_resp[offset] !=
params.count)
return -EINVAL;
}
}
skip_beacons:
@ -7784,6 +7828,27 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
if (!chandef.chan && params.offchan)
return -EINVAL;
params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) {
int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
int i;
if (len % sizeof(u16))
return -EINVAL;
params.n_csa_offsets = len / sizeof(u16);
params.csa_offsets =
nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
/* check that all the offsets fit the frame */
for (i = 0; i < params.n_csa_offsets; i++) {
if (params.csa_offsets[i] >= params.len)
return -EINVAL;
}
}
if (!params.dont_wait_for_ack) {
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
if (!msg)
@ -7797,8 +7862,6 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
}
}
params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
params.chan = chandef.chan;
err = cfg80211_mlme_mgmt_tx(rdev, wdev, &params, &cookie);
if (err)
@ -8495,6 +8558,8 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
rem) {
u8 *mask_pat;
nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat),
nla_len(pat), NULL);
err = -EINVAL;
@ -8518,19 +8583,18 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
goto error;
new_triggers.patterns[i].pkt_offset = pkt_offset;
new_triggers.patterns[i].mask =
kmalloc(mask_len + pat_len, GFP_KERNEL);
if (!new_triggers.patterns[i].mask) {
mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
if (!mask_pat) {
err = -ENOMEM;
goto error;
}
new_triggers.patterns[i].pattern =
new_triggers.patterns[i].mask + mask_len;
memcpy(new_triggers.patterns[i].mask,
nla_data(pat_tb[NL80211_PKTPAT_MASK]),
new_triggers.patterns[i].mask = mask_pat;
memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
mask_len);
mask_pat += mask_len;
new_triggers.patterns[i].pattern = mask_pat;
new_triggers.patterns[i].pattern_len = pat_len;
memcpy(new_triggers.patterns[i].pattern,
memcpy(mask_pat,
nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
pat_len);
i++;
@ -8722,6 +8786,8 @@ static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
rem) {
u8 *mask_pat;
nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat),
nla_len(pat), NULL);
if (!pat_tb[NL80211_PKTPAT_MASK] ||
@ -8743,17 +8809,19 @@ static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
return -EINVAL;
new_rule->patterns[i].pkt_offset = pkt_offset;
new_rule->patterns[i].mask =
kmalloc(mask_len + pat_len, GFP_KERNEL);
if (!new_rule->patterns[i].mask)
mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
if (!mask_pat)
return -ENOMEM;
new_rule->patterns[i].pattern =
new_rule->patterns[i].mask + mask_len;
memcpy(new_rule->patterns[i].mask,
nla_data(pat_tb[NL80211_PKTPAT_MASK]), mask_len);
new_rule->patterns[i].mask = mask_pat;
memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
mask_len);
mask_pat += mask_len;
new_rule->patterns[i].pattern = mask_pat;
new_rule->patterns[i].pattern_len = pat_len;
memcpy(new_rule->patterns[i].pattern,
nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), pat_len);
memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
pat_len);
i++;
}

2
net/wireless/rdev-ops.h
View File

@ -199,7 +199,7 @@ static inline int rdev_change_station(struct cfg80211_registered_device *rdev,
}
static inline int rdev_get_station(struct cfg80211_registered_device *rdev,
struct net_device *dev, u8 *mac,
struct net_device *dev, const u8 *mac,
struct station_info *sinfo)
{
int ret;

3
net/wireless/reg.c
View File

@ -1876,7 +1876,8 @@ static void reg_process_hint(struct regulatory_request *reg_request)
case NL80211_REGDOM_SET_BY_USER:
treatment = reg_process_hint_user(reg_request);
if (treatment == REG_REQ_IGNORE ||
treatment == REG_REQ_ALREADY_SET)
treatment == REG_REQ_ALREADY_SET ||
treatment == REG_REQ_USER_HINT_HANDLED)
return;
queue_delayed_work(system_power_efficient_wq,
&reg_timeout, msecs_to_jiffies(3142));

12
net/wireless/scan.c
View File

@ -891,6 +891,7 @@ cfg80211_inform_bss_width(struct wiphy *wiphy,
struct cfg80211_bss_ies *ies;
struct ieee80211_channel *channel;
struct cfg80211_internal_bss tmp = {}, *res;
bool signal_valid;
if (WARN_ON(!wiphy))
return NULL;
@ -927,8 +928,9 @@ cfg80211_inform_bss_width(struct wiphy *wiphy,
rcu_assign_pointer(tmp.pub.beacon_ies, ies);
rcu_assign_pointer(tmp.pub.ies, ies);
res = cfg80211_bss_update(wiphy_to_rdev(wiphy), &tmp,
rx_channel == channel);
signal_valid = abs(rx_channel->center_freq - channel->center_freq) <=
wiphy->max_adj_channel_rssi_comp;
res = cfg80211_bss_update(wiphy_to_rdev(wiphy), &tmp, signal_valid);
if (!res)
return NULL;
@ -952,6 +954,7 @@ cfg80211_inform_bss_width_frame(struct wiphy *wiphy,
struct cfg80211_internal_bss tmp = {}, *res;
struct cfg80211_bss_ies *ies;
struct ieee80211_channel *channel;
bool signal_valid;
size_t ielen = len - offsetof(struct ieee80211_mgmt,
u.probe_resp.variable);
@ -999,8 +1002,9 @@ cfg80211_inform_bss_width_frame(struct wiphy *wiphy,
tmp.pub.beacon_interval = le16_to_cpu(mgmt->u.probe_resp.beacon_int);
tmp.pub.capability = le16_to_cpu(mgmt->u.probe_resp.capab_info);
res = cfg80211_bss_update(wiphy_to_rdev(wiphy), &tmp,
rx_channel == channel);
signal_valid = abs(rx_channel->center_freq - channel->center_freq) <=
wiphy->max_adj_channel_rssi_comp;
res = cfg80211_bss_update(wiphy_to_rdev(wiphy), &tmp, signal_valid);
if (!res)
return NULL;

8
net/wireless/sme.c
View File

@ -149,7 +149,8 @@ static int cfg80211_conn_do_work(struct wireless_dev *wdev)
case CFG80211_CONN_SCAN_AGAIN:
return cfg80211_conn_scan(wdev);
case CFG80211_CONN_AUTHENTICATE_NEXT:
BUG_ON(!rdev->ops->auth);
if (WARN_ON(!rdev->ops->auth))
return -EOPNOTSUPP;
wdev->conn->state = CFG80211_CONN_AUTHENTICATING;
return cfg80211_mlme_auth(rdev, wdev->netdev,
params->channel, params->auth_type,
@ -161,7 +162,8 @@ static int cfg80211_conn_do_work(struct wireless_dev *wdev)
case CFG80211_CONN_AUTH_FAILED:
return -ENOTCONN;
case CFG80211_CONN_ASSOCIATE_NEXT:
BUG_ON(!rdev->ops->assoc);
if (WARN_ON(!rdev->ops->assoc))
return -EOPNOTSUPP;
wdev->conn->state = CFG80211_CONN_ASSOCIATING;
if (wdev->conn->prev_bssid_valid)
req.prev_bssid = wdev->conn->prev_bssid;
@ -877,7 +879,7 @@ void __cfg80211_disconnected(struct net_device *dev, const u8 *ie,
}
void cfg80211_disconnected(struct net_device *dev, u16 reason,
u8 *ie, size_t ie_len, gfp_t gfp)
const u8 *ie, size_t ie_len, gfp_t gfp)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);

37
net/wireless/trace.h
View File

@ -1876,29 +1876,33 @@ TRACE_EVENT(rdev_channel_switch,
WIPHY_ENTRY
NETDEV_ENTRY
CHAN_DEF_ENTRY
__field(u16, counter_offset_beacon)
__field(u16, counter_offset_presp)
__field(bool, radar_required)
__field(bool, block_tx)
__field(u8, count)
__dynamic_array(u16, bcn_ofs, params->n_counter_offsets_beacon)
__dynamic_array(u16, pres_ofs, params->n_counter_offsets_presp)
),
TP_fast_assign(
WIPHY_ASSIGN;
NETDEV_ASSIGN;
CHAN_DEF_ASSIGN(&params->chandef);
__entry->counter_offset_beacon = params->counter_offset_beacon;
__entry->counter_offset_presp = params->counter_offset_presp;
__entry->radar_required = params->radar_required;
__entry->block_tx = params->block_tx;
__entry->count = params->count;
memcpy(__get_dynamic_array(bcn_ofs),
params->counter_offsets_beacon,
params->n_counter_offsets_beacon * sizeof(u16));
/* probe response offsets are optional */
if (params->n_counter_offsets_presp)
memcpy(__get_dynamic_array(pres_ofs),
params->counter_offsets_presp,
params->n_counter_offsets_presp * sizeof(u16));
),
TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", " CHAN_DEF_PR_FMT
", block_tx: %d, count: %u, radar_required: %d"
", counter offsets (beacon/presp): %u/%u",
", block_tx: %d, count: %u, radar_required: %d",
WIPHY_PR_ARG, NETDEV_PR_ARG, CHAN_DEF_PR_ARG,
__entry->block_tx, __entry->count, __entry->radar_required,
__entry->counter_offset_beacon,
__entry->counter_offset_presp)
__entry->block_tx, __entry->count, __entry->radar_required)
);
TRACE_EVENT(rdev_set_qos_map,
@ -2636,6 +2640,21 @@ TRACE_EVENT(cfg80211_ft_event,
WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(target_ap))
);
TRACE_EVENT(cfg80211_stop_iface,
TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev),
TP_ARGS(wiphy, wdev),
TP_STRUCT__entry(
WIPHY_ENTRY
WDEV_ENTRY
),
TP_fast_assign(
WIPHY_ASSIGN;
WDEV_ASSIGN;
),
TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT,
WIPHY_PR_ARG, WDEV_PR_ARG)
);
#endif /* !__RDEV_OPS_TRACE || TRACE_HEADER_MULTI_READ */
#undef TRACE_INCLUDE_PATH

38
net/wireless/util.c
View File

@ -476,7 +476,8 @@ int ieee80211_data_to_8023(struct sk_buff *skb, const u8 *addr,
EXPORT_SYMBOL(ieee80211_data_to_8023);
int ieee80211_data_from_8023(struct sk_buff *skb, const u8 *addr,
enum nl80211_iftype iftype, u8 *bssid, bool qos)
enum nl80211_iftype iftype,
const u8 *bssid, bool qos)
{
struct ieee80211_hdr hdr;
u16 hdrlen, ethertype;
@ -839,6 +840,9 @@ void cfg80211_process_wdev_events(struct wireless_dev *wdev)
__cfg80211_ibss_joined(wdev->netdev, ev->ij.bssid,
ev->ij.channel);
break;
case EVENT_STOPPED:
__cfg80211_leave(wiphy_to_rdev(wdev->wiphy), wdev);
break;
}
wdev_unlock(wdev);
@ -1271,10 +1275,20 @@ int cfg80211_iter_combinations(struct wiphy *wiphy,
void *data),
void *data)
{
const struct ieee80211_regdomain *regdom;
enum nl80211_dfs_regions region = 0;
int i, j, iftype;
int num_interfaces = 0;
u32 used_iftypes = 0;
if (radar_detect) {
rcu_read_lock();
regdom = rcu_dereference(cfg80211_regdomain);
if (regdom)
region = regdom->dfs_region;
rcu_read_unlock();
}
for (iftype = 0; iftype < NUM_NL80211_IFTYPES; iftype++) {
num_interfaces += iftype_num[iftype];
if (iftype_num[iftype] > 0 &&
@ -1315,6 +1329,10 @@ int cfg80211_iter_combinations(struct wiphy *wiphy,
if (radar_detect != (c->radar_detect_widths & radar_detect))
goto cont;
if (radar_detect && c->radar_detect_regions &&
!(c->radar_detect_regions & BIT(region)))
goto cont;
/* Finally check that all iftypes that we're currently
* using are actually part of this combination. If they
* aren't then we can't use this combination and have
@ -1528,6 +1546,24 @@ unsigned int ieee80211_get_num_supported_channels(struct wiphy *wiphy)
}
EXPORT_SYMBOL(ieee80211_get_num_supported_channels);
int cfg80211_get_station(struct net_device *dev, const u8 *mac_addr,
struct station_info *sinfo)
{
struct cfg80211_registered_device *rdev;
struct wireless_dev *wdev;
wdev = dev->ieee80211_ptr;
if (!wdev)
return -EOPNOTSUPP;
rdev = wiphy_to_rdev(wdev->wiphy);
if (!rdev->ops->get_station)
return -EOPNOTSUPP;
return rdev_get_station(rdev, dev, mac_addr, sinfo);
}
EXPORT_SYMBOL(cfg80211_get_station);
/* See IEEE 802.1H for LLC/SNAP encapsulation/decapsulation */
/* Ethernet-II snap header (RFC1042 for most EtherTypes) */
const unsigned char rfc1042_header[] __aligned(2) =