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-rw-r--r--net/mac80211/ieee80211_i.h39
-rw-r--r--net/mac80211/iface.c17
-rw-r--r--net/mac80211/mlme.c624
3 files changed, 346 insertions, 334 deletions
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index cac0b133454..442a43a3400 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -882,54 +882,53 @@ static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr)
}
-/* ieee80211.c */
int ieee80211_hw_config(struct ieee80211_local *local);
int ieee80211_if_config(struct ieee80211_sub_if_data *sdata, u32 changed);
void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx);
u32 ieee80211_handle_ht(struct ieee80211_local *local, int enable_ht,
struct ieee80211_ht_info *req_ht_cap,
struct ieee80211_ht_bss_info *req_bss_cap);
+void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
+ u32 changed);
-/* ieee80211_ioctl.c */
+/* wireless extensions */
extern const struct iw_handler_def ieee80211_iw_handler_def;
int ieee80211_set_freq(struct ieee80211_sub_if_data *sdata, int freq);
-/* ieee80211_sta.c */
-void ieee80211_sta_timer(unsigned long data);
-void ieee80211_sta_work(struct work_struct *work);
+/* STA/IBSS code */
+void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata);
void ieee80211_sta_scan_work(struct work_struct *work);
void ieee80211_sta_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
struct ieee80211_rx_status *rx_status);
int ieee80211_sta_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t len);
int ieee80211_sta_get_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t *len);
int ieee80211_sta_set_bssid(struct ieee80211_sub_if_data *sdata, u8 *bssid);
-int ieee80211_sta_req_scan(struct ieee80211_sub_if_data *sdata, u8 *ssid, size_t ssid_len);
void ieee80211_sta_req_auth(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_sta *ifsta);
-int ieee80211_sta_scan_results(struct ieee80211_local *local,
- struct iw_request_info *info,
- char *buf, size_t len);
-ieee80211_rx_result ieee80211_sta_rx_scan(
- struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
- struct ieee80211_rx_status *rx_status);
-void ieee80211_rx_bss_list_init(struct ieee80211_local *local);
-void ieee80211_rx_bss_list_deinit(struct ieee80211_local *local);
-int ieee80211_sta_set_extra_ie(struct ieee80211_sub_if_data *sdata, char *ie, size_t len);
struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb, u8 *bssid,
u8 *addr, u64 supp_rates);
int ieee80211_sta_deauthenticate(struct ieee80211_sub_if_data *sdata, u16 reason);
int ieee80211_sta_disassociate(struct ieee80211_sub_if_data *sdata, u16 reason);
-void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
- u32 changed);
u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata);
u64 ieee80211_sta_get_rates(struct ieee80211_local *local,
struct ieee802_11_elems *elems,
enum ieee80211_band band);
void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
u8 *ssid, size_t ssid_len);
-void ieee802_11_parse_elems(u8 *start, size_t len,
- struct ieee802_11_elems *elems);
+
+/* scan/BSS handling */
+int ieee80211_sta_req_scan(struct ieee80211_sub_if_data *sdata, u8 *ssid, size_t ssid_len);
+int ieee80211_sta_scan_results(struct ieee80211_local *local,
+ struct iw_request_info *info,
+ char *buf, size_t len);
+ieee80211_rx_result ieee80211_sta_rx_scan(
+ struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
+ struct ieee80211_rx_status *rx_status);
+void ieee80211_rx_bss_list_init(struct ieee80211_local *local);
+void ieee80211_rx_bss_list_deinit(struct ieee80211_local *local);
+int ieee80211_sta_set_extra_ie(struct ieee80211_sub_if_data *sdata, char *ie, size_t len);
+
void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local);
int ieee80211_sta_start_scan(struct ieee80211_sub_if_data *scan_sdata,
u8 *ssid, size_t ssid_len);
@@ -1007,6 +1006,8 @@ void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int ke
void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata);
void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
int encrypt);
+void ieee802_11_parse_elems(u8 *start, size_t len,
+ struct ieee802_11_elems *elems);
#ifdef CONFIG_MAC80211_NOINLINE
#define debug_noinline noinline
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index ddbaa417e2e..61b19340488 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -83,8 +83,6 @@ static void ieee80211_teardown_sdata(struct net_device *dev)
static void ieee80211_setup_sdata(struct ieee80211_sub_if_data *sdata,
enum ieee80211_if_types type)
{
- struct ieee80211_if_sta *ifsta;
-
/* clear type-dependent union */
memset(&sdata->u, 0, sizeof(sdata->u));
@@ -101,20 +99,7 @@ static void ieee80211_setup_sdata(struct ieee80211_sub_if_data *sdata,
break;
case IEEE80211_IF_TYPE_STA:
case IEEE80211_IF_TYPE_IBSS:
- ifsta = &sdata->u.sta;
- INIT_WORK(&ifsta->work, ieee80211_sta_work);
- setup_timer(&ifsta->timer, ieee80211_sta_timer,
- (unsigned long) sdata);
- skb_queue_head_init(&ifsta->skb_queue);
-
- ifsta->capab = WLAN_CAPABILITY_ESS;
- ifsta->auth_algs = IEEE80211_AUTH_ALG_OPEN |
- IEEE80211_AUTH_ALG_SHARED_KEY;
- ifsta->flags |= IEEE80211_STA_CREATE_IBSS |
- IEEE80211_STA_AUTO_BSSID_SEL |
- IEEE80211_STA_AUTO_CHANNEL_SEL;
- if (ieee80211_num_regular_queues(&sdata->local->hw) >= 4)
- ifsta->flags |= IEEE80211_STA_WMM_ENABLED;
+ ieee80211_sta_setup_sdata(sdata);
break;
case IEEE80211_IF_TYPE_MESH_POINT:
if (ieee80211_vif_is_mesh(&sdata->vif))
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 19c7f21e49d..e1483010652 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -93,44 +93,46 @@ static int ieee80211_compatible_rates(struct ieee80211_sta_bss *bss,
return count;
}
-/* frame sending functions */
-static void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_if_sta *ifsta,
- int transaction, u8 *extra, size_t extra_len,
- int encrypt)
+/* also used by mesh code */
+u64 ieee80211_sta_get_rates(struct ieee80211_local *local,
+ struct ieee802_11_elems *elems,
+ enum ieee80211_band band)
{
- struct ieee80211_local *local = sdata->local;
- struct sk_buff *skb;
- struct ieee80211_mgmt *mgmt;
+ struct ieee80211_supported_band *sband;
+ struct ieee80211_rate *bitrates;
+ size_t num_rates;
+ u64 supp_rates;
+ int i, j;
+ sband = local->hw.wiphy->bands[band];
- skb = dev_alloc_skb(local->hw.extra_tx_headroom +
- sizeof(*mgmt) + 6 + extra_len);
- if (!skb) {
- printk(KERN_DEBUG "%s: failed to allocate buffer for auth "
- "frame\n", sdata->dev->name);
- return;
+ if (!sband) {
+ WARN_ON(1);
+ sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
}
- skb_reserve(skb, local->hw.extra_tx_headroom);
- mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24 + 6);
- memset(mgmt, 0, 24 + 6);
- mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
- IEEE80211_STYPE_AUTH);
- if (encrypt)
- mgmt->frame_control |= cpu_to_le16(IEEE80211_FCTL_PROTECTED);
- memcpy(mgmt->da, ifsta->bssid, ETH_ALEN);
- memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
- memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
- mgmt->u.auth.auth_alg = cpu_to_le16(ifsta->auth_alg);
- mgmt->u.auth.auth_transaction = cpu_to_le16(transaction);
- ifsta->auth_transaction = transaction + 1;
- mgmt->u.auth.status_code = cpu_to_le16(0);
- if (extra)
- memcpy(skb_put(skb, extra_len), extra, extra_len);
-
- ieee80211_tx_skb(sdata, skb, encrypt);
+ bitrates = sband->bitrates;
+ num_rates = sband->n_bitrates;
+ supp_rates = 0;
+ for (i = 0; i < elems->supp_rates_len +
+ elems->ext_supp_rates_len; i++) {
+ u8 rate = 0;
+ int own_rate;
+ if (i < elems->supp_rates_len)
+ rate = elems->supp_rates[i];
+ else if (elems->ext_supp_rates)
+ rate = elems->ext_supp_rates
+ [i - elems->supp_rates_len];
+ own_rate = 5 * (rate & 0x7f);
+ for (j = 0; j < num_rates; j++)
+ if (bitrates[j].bitrate == own_rate)
+ supp_rates |= BIT(j);
+ }
+ return supp_rates;
}
+/* frame sending functions */
+
+/* also used by scanning code */
void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
u8 *ssid, size_t ssid_len)
{
@@ -191,6 +193,43 @@ void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
ieee80211_tx_skb(sdata, skb, 0);
}
+static void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_if_sta *ifsta,
+ int transaction, u8 *extra, size_t extra_len,
+ int encrypt)
+{
+ struct ieee80211_local *local = sdata->local;
+ struct sk_buff *skb;
+ struct ieee80211_mgmt *mgmt;
+
+ skb = dev_alloc_skb(local->hw.extra_tx_headroom +
+ sizeof(*mgmt) + 6 + extra_len);
+ if (!skb) {
+ printk(KERN_DEBUG "%s: failed to allocate buffer for auth "
+ "frame\n", sdata->dev->name);
+ return;
+ }
+ skb_reserve(skb, local->hw.extra_tx_headroom);
+
+ mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24 + 6);
+ memset(mgmt, 0, 24 + 6);
+ mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
+ IEEE80211_STYPE_AUTH);
+ if (encrypt)
+ mgmt->frame_control |= cpu_to_le16(IEEE80211_FCTL_PROTECTED);
+ memcpy(mgmt->da, ifsta->bssid, ETH_ALEN);
+ memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
+ memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
+ mgmt->u.auth.auth_alg = cpu_to_le16(ifsta->auth_alg);
+ mgmt->u.auth.auth_transaction = cpu_to_le16(transaction);
+ ifsta->auth_transaction = transaction + 1;
+ mgmt->u.auth.status_code = cpu_to_le16(0);
+ if (extra)
+ memcpy(skb_put(skb, extra_len), extra, extra_len);
+
+ ieee80211_tx_skb(sdata, skb, encrypt);
+}
+
static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_sta *ifsta)
{
@@ -1414,42 +1453,6 @@ static int ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
return res;
}
-u64 ieee80211_sta_get_rates(struct ieee80211_local *local,
- struct ieee802_11_elems *elems,
- enum ieee80211_band band)
-{
- struct ieee80211_supported_band *sband;
- struct ieee80211_rate *bitrates;
- size_t num_rates;
- u64 supp_rates;
- int i, j;
- sband = local->hw.wiphy->bands[band];
-
- if (!sband) {
- WARN_ON(1);
- sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
- }
-
- bitrates = sband->bitrates;
- num_rates = sband->n_bitrates;
- supp_rates = 0;
- for (i = 0; i < elems->supp_rates_len +
- elems->ext_supp_rates_len; i++) {
- u8 rate = 0;
- int own_rate;
- if (i < elems->supp_rates_len)
- rate = elems->supp_rates[i];
- else if (elems->ext_supp_rates)
- rate = elems->ext_supp_rates
- [i - elems->supp_rates_len];
- own_rate = 5 * (rate & 0x7f);
- for (j = 0; j < num_rates; j++)
- if (bitrates[j].bitrate == own_rate)
- supp_rates |= BIT(j);
- }
- return supp_rates;
-}
-
static u64 ieee80211_sta_get_mandatory_rates(struct ieee80211_local *local,
enum ieee80211_band band)
{
@@ -1894,7 +1897,7 @@ static void ieee80211_sta_merge_ibss(struct ieee80211_sub_if_data *sdata,
}
-void ieee80211_sta_timer(unsigned long data)
+static void ieee80211_sta_timer(unsigned long data)
{
struct ieee80211_sub_if_data *sdata =
(struct ieee80211_sub_if_data *) data;
@@ -1937,28 +1940,6 @@ static void ieee80211_sta_reset_auth(struct ieee80211_sub_if_data *sdata,
}
-void ieee80211_sta_req_auth(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_if_sta *ifsta)
-{
- struct ieee80211_local *local = sdata->local;
-
- if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
- return;
-
- if ((ifsta->flags & (IEEE80211_STA_BSSID_SET |
- IEEE80211_STA_AUTO_BSSID_SEL)) &&
- (ifsta->flags & (IEEE80211_STA_SSID_SET |
- IEEE80211_STA_AUTO_SSID_SEL))) {
-
- if (ifsta->state == IEEE80211_STA_MLME_ASSOCIATED)
- ieee80211_set_disassoc(sdata, ifsta, true, true,
- WLAN_REASON_DEAUTH_LEAVING);
-
- set_bit(IEEE80211_STA_REQ_AUTH, &ifsta->request);
- queue_work(local->hw.workqueue, &ifsta->work);
- }
-}
-
static int ieee80211_sta_match_ssid(struct ieee80211_if_sta *ifsta,
const char *ssid, int ssid_len)
{
@@ -2160,159 +2141,6 @@ dont_join:
}
-int ieee80211_sta_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t len)
-{
- struct ieee80211_if_sta *ifsta;
- int res;
-
- if (len > IEEE80211_MAX_SSID_LEN)
- return -EINVAL;
-
- ifsta = &sdata->u.sta;
-
- if (ifsta->ssid_len != len || memcmp(ifsta->ssid, ssid, len) != 0) {
- memset(ifsta->ssid, 0, sizeof(ifsta->ssid));
- memcpy(ifsta->ssid, ssid, len);
- ifsta->ssid_len = len;
- ifsta->flags &= ~IEEE80211_STA_PREV_BSSID_SET;
-
- res = 0;
- /*
- * Hack! MLME code needs to be cleaned up to have different
- * entry points for configuration and internal selection change
- */
- if (netif_running(sdata->dev))
- res = ieee80211_if_config(sdata, IEEE80211_IFCC_SSID);
- if (res) {
- printk(KERN_DEBUG "%s: Failed to config new SSID to "
- "the low-level driver\n", sdata->dev->name);
- return res;
- }
- }
-
- if (len)
- ifsta->flags |= IEEE80211_STA_SSID_SET;
- else
- ifsta->flags &= ~IEEE80211_STA_SSID_SET;
-
- if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS &&
- !(ifsta->flags & IEEE80211_STA_BSSID_SET)) {
- ifsta->ibss_join_req = jiffies;
- ifsta->state = IEEE80211_STA_MLME_IBSS_SEARCH;
- return ieee80211_sta_find_ibss(sdata, ifsta);
- }
-
- return 0;
-}
-
-
-int ieee80211_sta_get_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t *len)
-{
- struct ieee80211_if_sta *ifsta = &sdata->u.sta;
- memcpy(ssid, ifsta->ssid, ifsta->ssid_len);
- *len = ifsta->ssid_len;
- return 0;
-}
-
-
-int ieee80211_sta_set_bssid(struct ieee80211_sub_if_data *sdata, u8 *bssid)
-{
- struct ieee80211_if_sta *ifsta;
- int res;
-
- ifsta = &sdata->u.sta;
-
- if (memcmp(ifsta->bssid, bssid, ETH_ALEN) != 0) {
- memcpy(ifsta->bssid, bssid, ETH_ALEN);
- res = 0;
- /*
- * Hack! See also ieee80211_sta_set_ssid.
- */
- if (netif_running(sdata->dev))
- res = ieee80211_if_config(sdata, IEEE80211_IFCC_BSSID);
- if (res) {
- printk(KERN_DEBUG "%s: Failed to config new BSSID to "
- "the low-level driver\n", sdata->dev->name);
- return res;
- }
- }
-
- if (is_valid_ether_addr(bssid))
- ifsta->flags |= IEEE80211_STA_BSSID_SET;
- else
- ifsta->flags &= ~IEEE80211_STA_BSSID_SET;
-
- return 0;
-}
-
-
-int ieee80211_sta_set_extra_ie(struct ieee80211_sub_if_data *sdata, char *ie, size_t len)
-{
- struct ieee80211_if_sta *ifsta = &sdata->u.sta;
-
- kfree(ifsta->extra_ie);
- if (len == 0) {
- ifsta->extra_ie = NULL;
- ifsta->extra_ie_len = 0;
- return 0;
- }
- ifsta->extra_ie = kmalloc(len, GFP_KERNEL);
- if (!ifsta->extra_ie) {
- ifsta->extra_ie_len = 0;
- return -ENOMEM;
- }
- memcpy(ifsta->extra_ie, ie, len);
- ifsta->extra_ie_len = len;
- return 0;
-}
-
-
-struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata,
- struct sk_buff *skb, u8 *bssid,
- u8 *addr, u64 supp_rates)
-{
- struct ieee80211_local *local = sdata->local;
- struct sta_info *sta;
- DECLARE_MAC_BUF(mac);
- int band = local->hw.conf.channel->band;
-
- /* TODO: Could consider removing the least recently used entry and
- * allow new one to be added. */
- if (local->num_sta >= IEEE80211_IBSS_MAX_STA_ENTRIES) {
- if (net_ratelimit()) {
- printk(KERN_DEBUG "%s: No room for a new IBSS STA "
- "entry %s\n", sdata->dev->name, print_mac(mac, addr));
- }
- return NULL;
- }
-
- if (compare_ether_addr(bssid, sdata->u.sta.bssid))
- return NULL;
-
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- printk(KERN_DEBUG "%s: Adding new IBSS station %s (dev=%s)\n",
- wiphy_name(local->hw.wiphy), print_mac(mac, addr), sdata->dev->name);
-#endif
-
- sta = sta_info_alloc(sdata, addr, GFP_ATOMIC);
- if (!sta)
- return NULL;
-
- set_sta_flags(sta, WLAN_STA_AUTHORIZED);
-
- /* make sure mandatory rates are always added */
- sta->supp_rates[band] = supp_rates |
- ieee80211_sta_get_mandatory_rates(local, band);
-
- rate_control_rate_init(sta, local);
-
- if (sta_info_insert(sta))
- return NULL;
-
- return sta;
-}
-
-
static int ieee80211_sta_config_auth(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_sta *ifsta)
{
@@ -2392,61 +2220,7 @@ static int ieee80211_sta_config_auth(struct ieee80211_sub_if_data *sdata,
}
-int ieee80211_sta_deauthenticate(struct ieee80211_sub_if_data *sdata, u16 reason)
-{
- struct ieee80211_if_sta *ifsta = &sdata->u.sta;
-
- printk(KERN_DEBUG "%s: deauthenticating by local choice (reason=%d)\n",
- sdata->dev->name, reason);
-
- if (sdata->vif.type != IEEE80211_IF_TYPE_STA &&
- sdata->vif.type != IEEE80211_IF_TYPE_IBSS)
- return -EINVAL;
-
- ieee80211_set_disassoc(sdata, ifsta, true, true, reason);
- return 0;
-}
-
-
-int ieee80211_sta_disassociate(struct ieee80211_sub_if_data *sdata, u16 reason)
-{
- struct ieee80211_if_sta *ifsta = &sdata->u.sta;
-
- printk(KERN_DEBUG "%s: disassociating by local choice (reason=%d)\n",
- sdata->dev->name, reason);
-
- if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
- return -EINVAL;
-
- if (!(ifsta->flags & IEEE80211_STA_ASSOCIATED))
- return -1;
-
- ieee80211_set_disassoc(sdata, ifsta, false, true, reason);
- return 0;
-}
-
-void ieee80211_notify_mac(struct ieee80211_hw *hw,
- enum ieee80211_notification_types notif_type)
-{
- struct ieee80211_local *local = hw_to_local(hw);
- struct ieee80211_sub_if_data *sdata;
-
- switch (notif_type) {
- case IEEE80211_NOTIFY_RE_ASSOC:
- rcu_read_lock();
- list_for_each_entry_rcu(sdata, &local->interfaces, list) {
- if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
- continue;
-
- ieee80211_sta_req_auth(sdata, &sdata->u.sta);
- }
- rcu_read_unlock();
- break;
- }
-}
-EXPORT_SYMBOL(ieee80211_notify_mac);
-
-void ieee80211_sta_work(struct work_struct *work)
+static void ieee80211_sta_work(struct work_struct *work)
{
struct ieee80211_sub_if_data *sdata =
container_of(work, struct ieee80211_sub_if_data, u.sta.work);
@@ -2525,6 +2299,236 @@ static void ieee80211_restart_sta_timer(struct ieee80211_sub_if_data *sdata)
&sdata->u.sta.work);
}
+/* interface setup */
+void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata)
+{
+ struct ieee80211_if_sta *ifsta;
+
+ ifsta = &sdata->u.sta;
+ INIT_WORK(&ifsta->work, ieee80211_sta_work);
+ setup_timer(&ifsta->timer, ieee80211_sta_timer,
+ (unsigned long) sdata);
+ skb_queue_head_init(&ifsta->skb_queue);
+
+ ifsta->capab = WLAN_CAPABILITY_ESS;
+ ifsta->auth_algs = IEEE80211_AUTH_ALG_OPEN |
+ IEEE80211_AUTH_ALG_SHARED_KEY;
+ ifsta->flags |= IEEE80211_STA_CREATE_IBSS |
+ IEEE80211_STA_AUTO_BSSID_SEL |
+ IEEE80211_STA_AUTO_CHANNEL_SEL;
+ if (ieee80211_num_regular_queues(&sdata->local->hw) >= 4)
+ ifsta->flags |= IEEE80211_STA_WMM_ENABLED;
+}
+
+/*
+ * Add a new IBSS station, will also be called by the RX code when,
+ * in IBSS mode, receiving a frame from a yet-unknown station, hence
+ * must be callable in atomic context.
+ */
+struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb, u8 *bssid,
+ u8 *addr, u64 supp_rates)
+{
+ struct ieee80211_local *local = sdata->local;
+ struct sta_info *sta;
+ DECLARE_MAC_BUF(mac);
+ int band = local->hw.conf.channel->band;
+
+ /* TODO: Could consider removing the least recently used entry and
+ * allow new one to be added. */
+ if (local->num_sta >= IEEE80211_IBSS_MAX_STA_ENTRIES) {
+ if (net_ratelimit()) {
+ printk(KERN_DEBUG "%s: No room for a new IBSS STA "
+ "entry %s\n", sdata->dev->name, print_mac(mac, addr));
+ }
+ return NULL;
+ }
+
+ if (compare_ether_addr(bssid, sdata->u.sta.bssid))
+ return NULL;
+
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+ printk(KERN_DEBUG "%s: Adding new IBSS station %s (dev=%s)\n",
+ wiphy_name(local->hw.wiphy), print_mac(mac, addr), sdata->dev->name);
+#endif
+
+ sta = sta_info_alloc(sdata, addr, GFP_ATOMIC);
+ if (!sta)
+ return NULL;
+
+ set_sta_flags(sta, WLAN_STA_AUTHORIZED);
+
+ /* make sure mandatory rates are always added */
+ sta->supp_rates[band] = supp_rates |
+ ieee80211_sta_get_mandatory_rates(local, band);
+
+ rate_control_rate_init(sta, local);
+
+ if (sta_info_insert(sta))
+ return NULL;
+
+ return sta;
+}
+
+/* configuration hooks */
+void ieee80211_sta_req_auth(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_if_sta *ifsta)
+{
+ struct ieee80211_local *local = sdata->local;
+
+ if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
+ return;
+
+ if ((ifsta->flags & (IEEE80211_STA_BSSID_SET |
+ IEEE80211_STA_AUTO_BSSID_SEL)) &&
+ (ifsta->flags & (IEEE80211_STA_SSID_SET |
+ IEEE80211_STA_AUTO_SSID_SEL))) {
+
+ if (ifsta->state == IEEE80211_STA_MLME_ASSOCIATED)
+ ieee80211_set_disassoc(sdata, ifsta, true, true,
+ WLAN_REASON_DEAUTH_LEAVING);
+
+ set_bit(IEEE80211_STA_REQ_AUTH, &ifsta->request);
+ queue_work(local->hw.workqueue, &ifsta->work);
+ }
+}
+
+int ieee80211_sta_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t len)
+{
+ struct ieee80211_if_sta *ifsta;
+ int res;
+
+ if (len > IEEE80211_MAX_SSID_LEN)
+ return -EINVAL;
+
+ ifsta = &sdata->u.sta;
+
+ if (ifsta->ssid_len != len || memcmp(ifsta->ssid, ssid, len) != 0) {
+ memset(ifsta->ssid, 0, sizeof(ifsta->ssid));
+ memcpy(ifsta->ssid, ssid, len);
+ ifsta->ssid_len = len;
+ ifsta->flags &= ~IEEE80211_STA_PREV_BSSID_SET;
+
+ res = 0;
+ /*
+ * Hack! MLME code needs to be cleaned up to have different
+ * entry points for configuration and internal selection change
+ */
+ if (netif_running(sdata->dev))
+ res = ieee80211_if_config(sdata, IEEE80211_IFCC_SSID);
+ if (res) {
+ printk(KERN_DEBUG "%s: Failed to config new SSID to "
+ "the low-level driver\n", sdata->dev->name);
+ return res;
+ }
+ }
+
+ if (len)
+ ifsta->flags |= IEEE80211_STA_SSID_SET;
+ else
+ ifsta->flags &= ~IEEE80211_STA_SSID_SET;
+
+ if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS &&
+ !(ifsta->flags & IEEE80211_STA_BSSID_SET)) {
+ ifsta->ibss_join_req = jiffies;
+ ifsta->state = IEEE80211_STA_MLME_IBSS_SEARCH;
+ return ieee80211_sta_find_ibss(sdata, ifsta);
+ }
+
+ return 0;
+}
+
+int ieee80211_sta_get_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t *len)
+{
+ struct ieee80211_if_sta *ifsta = &sdata->u.sta;
+ memcpy(ssid, ifsta->ssid, ifsta->ssid_len);
+ *len = ifsta->ssid_len;
+ return 0;
+}
+
+int ieee80211_sta_set_bssid(struct ieee80211_sub_if_data *sdata, u8 *bssid)
+{
+ struct ieee80211_if_sta *ifsta;
+ int res;
+
+ ifsta = &sdata->u.sta;
+
+ if (memcmp(ifsta->bssid, bssid, ETH_ALEN) != 0) {
+ memcpy(ifsta->bssid, bssid, ETH_ALEN);
+ res = 0;
+ /*
+ * Hack! See also ieee80211_sta_set_ssid.
+ */
+ if (netif_running(sdata->dev))
+ res = ieee80211_if_config(sdata, IEEE80211_IFCC_BSSID);
+ if (res) {
+ printk(KERN_DEBUG "%s: Failed to config new BSSID to "
+ "the low-level driver\n", sdata->dev->name);
+ return res;
+ }
+ }
+
+ if (is_valid_ether_addr(bssid))
+ ifsta->flags |= IEEE80211_STA_BSSID_SET;
+ else
+ ifsta->flags &= ~IEEE80211_STA_BSSID_SET;
+
+ return 0;
+}
+
+int ieee80211_sta_set_extra_ie(struct ieee80211_sub_if_data *sdata, char *ie, size_t len)
+{
+ struct ieee80211_if_sta *ifsta = &sdata->u.sta;
+
+ kfree(ifsta->extra_ie);
+ if (len == 0) {
+ ifsta->extra_ie = NULL;
+ ifsta->extra_ie_len = 0;
+ return 0;
+ }
+ ifsta->extra_ie = kmalloc(len, GFP_KERNEL);
+ if (!ifsta->extra_ie) {
+ ifsta->extra_ie_len = 0;
+ return -ENOMEM;
+ }
+ memcpy(ifsta->extra_ie, ie, len);
+ ifsta->extra_ie_len = len;
+ return 0;
+}
+
+int ieee80211_sta_deauthenticate(struct ieee80211_sub_if_data *sdata, u16 reason)
+{
+ struct ieee80211_if_sta *ifsta = &sdata->u.sta;
+
+ printk(KERN_DEBUG "%s: deauthenticating by local choice (reason=%d)\n",
+ sdata->dev->name, reason);
+
+ if (sdata->vif.type != IEEE80211_IF_TYPE_STA &&
+ sdata->vif.type != IEEE80211_IF_TYPE_IBSS)
+ return -EINVAL;
+
+ ieee80211_set_disassoc(sdata, ifsta, true, true, reason);
+ return 0;
+}
+
+int ieee80211_sta_disassociate(struct ieee80211_sub_if_data *sdata, u16 reason)
+{
+ struct ieee80211_if_sta *ifsta = &sdata->u.sta;
+
+ printk(KERN_DEBUG "%s: disassociating by local choice (reason=%d)\n",
+ sdata->dev->name, reason);
+
+ if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
+ return -EINVAL;
+
+ if (!(ifsta->flags & IEEE80211_STA_ASSOCIATED))
+ return -1;
+
+ ieee80211_set_disassoc(sdata, ifsta, false, true, reason);
+ return 0;
+}
+
+/* scan finished notification */
void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local)
{
struct ieee80211_sub_if_data *sdata = local->scan_sdata;
@@ -2544,3 +2548,25 @@ void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local)
ieee80211_restart_sta_timer(sdata);
rcu_read_unlock();
}
+
+/* driver notification call */
+void ieee80211_notify_mac(struct ieee80211_hw *hw,
+ enum ieee80211_notification_types notif_type)
+{
+ struct ieee80211_local *local = hw_to_local(hw);
+ struct ieee80211_sub_if_data *sdata;
+
+ switch (notif_type) {
+ case IEEE80211_NOTIFY_RE_ASSOC:
+ rcu_read_lock();
+ list_for_each_entry_rcu(sdata, &local->interfaces, list) {
+ if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
+ continue;
+
+ ieee80211_sta_req_auth(sdata, &sdata->u.sta);
+ }
+ rcu_read_unlock();
+ break;
+ }
+}
+EXPORT_SYMBOL(ieee80211_notify_mac);