#include <linux/delay.h>
#include <linux/if_ether.h>
#include <linux/skbuff.h>
-#include <linux/netdevice.h>
#include <linux/if_arp.h>
#include <linux/wireless.h>
#include <linux/random.h>
#include <linux/rtnetlink.h>
#include <net/iw_handler.h>
#include <net/mac80211.h>
+#include <asm/unaligned.h>
#include "ieee80211_i.h"
#include "rate.h"
#include "led.h"
-#include "mesh.h"
#define IEEE80211_ASSOC_SCANS_MAX_TRIES 2
#define IEEE80211_AUTH_TIMEOUT (HZ / 5)
#define IEEE80211_ASSOC_TIMEOUT (HZ / 5)
#define IEEE80211_ASSOC_MAX_TRIES 3
#define IEEE80211_MONITORING_INTERVAL (2 * HZ)
-#define IEEE80211_MESH_HOUSEKEEPING_INTERVAL (60 * HZ)
#define IEEE80211_PROBE_INTERVAL (60 * HZ)
#define IEEE80211_RETRY_AUTH_INTERVAL (1 * HZ)
#define IEEE80211_SCAN_INTERVAL (2 * HZ)
#define IEEE80211_IBSS_MERGE_INTERVAL (30 * HZ)
#define IEEE80211_IBSS_INACTIVITY_LIMIT (60 * HZ)
-#define IEEE80211_MESH_PEER_INACTIVITY_LIMIT (1800 * HZ)
#define IEEE80211_IBSS_MAX_STA_ENTRIES 128
return (1 << ecw) - 1;
}
-static u8 *ieee80211_bss_get_ie(struct ieee80211_sta_bss *bss, u8 ie)
+static u8 *ieee80211_bss_get_ie(struct ieee80211_bss *bss, u8 ie)
{
u8 *end, *pos;
return NULL;
}
-static int ieee80211_compatible_rates(struct ieee80211_sta_bss *bss,
+static int ieee80211_compatible_rates(struct ieee80211_bss *bss,
struct ieee80211_supported_band *sband,
u64 *rates)
{
return count;
}
-/* frame sending functions */
-void ieee80211_sta_tx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
- int encrypt)
-{
- skb->dev = sdata->local->mdev;
- skb_set_mac_header(skb, 0);
- skb_set_network_header(skb, 0);
- skb_set_transport_header(skb, 0);
-
- skb->iif = sdata->dev->ifindex;
- skb->do_not_encrypt = !encrypt;
-
- dev_queue_xmit(skb);
-}
-
-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_sta_tx(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)
{
*pos = rate->bitrate / 5;
}
- ieee80211_sta_tx(sdata, skb, 0);
+ 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_local *local = sdata->local;
struct sk_buff *skb;
struct ieee80211_mgmt *mgmt;
- u8 *pos, *ies, *ht_add_ie;
+ u8 *pos, *ies, *ht_ie;
int i, len, count, rates_len, supp_rates_len;
u16 capab;
- struct ieee80211_sta_bss *bss;
+ struct ieee80211_bss *bss;
int wmm = 0;
struct ieee80211_supported_band *sband;
u64 rates = 0;
mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
IEEE80211_STYPE_ASSOC_REQ);
mgmt->u.assoc_req.capab_info = cpu_to_le16(capab);
- mgmt->u.reassoc_req.listen_interval =
+ mgmt->u.assoc_req.listen_interval =
cpu_to_le16(local->hw.conf.listen_interval);
}
/* wmm support is a must to HT */
if (wmm && (ifsta->flags & IEEE80211_STA_WMM_ENABLED) &&
- sband->ht_info.ht_supported &&
- (ht_add_ie = ieee80211_bss_get_ie(bss, WLAN_EID_HT_EXTRA_INFO))) {
- struct ieee80211_ht_addt_info *ht_add_info =
- (struct ieee80211_ht_addt_info *)ht_add_ie;
- u16 cap = sband->ht_info.cap;
+ sband->ht_cap.ht_supported &&
+ (ht_ie = ieee80211_bss_get_ie(bss, WLAN_EID_HT_INFORMATION)) &&
+ ht_ie[1] >= sizeof(struct ieee80211_ht_info)) {
+ struct ieee80211_ht_info *ht_info =
+ (struct ieee80211_ht_info *)(ht_ie + 2);
+ u16 cap = sband->ht_cap.cap;
__le16 tmp;
u32 flags = local->hw.conf.channel->flags;
- switch (ht_add_info->ht_param & IEEE80211_HT_IE_CHA_SEC_OFFSET) {
- case IEEE80211_HT_IE_CHA_SEC_ABOVE:
+ switch (ht_info->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET) {
+ case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
if (flags & IEEE80211_CHAN_NO_FAT_ABOVE) {
- cap &= ~IEEE80211_HT_CAP_SUP_WIDTH;
+ cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
cap &= ~IEEE80211_HT_CAP_SGI_40;
}
break;
- case IEEE80211_HT_IE_CHA_SEC_BELOW:
+ case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
if (flags & IEEE80211_CHAN_NO_FAT_BELOW) {
- cap &= ~IEEE80211_HT_CAP_SUP_WIDTH;
+ cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
cap &= ~IEEE80211_HT_CAP_SGI_40;
}
break;
memcpy(pos, &tmp, sizeof(u16));
pos += sizeof(u16);
/* TODO: needs a define here for << 2 */
- *pos++ = sband->ht_info.ampdu_factor |
- (sband->ht_info.ampdu_density << 2);
- memcpy(pos, sband->ht_info.supp_mcs_set, 16);
+ *pos++ = sband->ht_cap.ampdu_factor |
+ (sband->ht_cap.ampdu_density << 2);
+ memcpy(pos, &sband->ht_cap.mcs, sizeof(sband->ht_cap.mcs));
}
kfree(ifsta->assocreq_ies);
if (ifsta->assocreq_ies)
memcpy(ifsta->assocreq_ies, ies, ifsta->assocreq_ies_len);
- ieee80211_sta_tx(sdata, skb, 0);
+ ieee80211_tx_skb(sdata, skb, 0);
}
/* u.deauth.reason_code == u.disassoc.reason_code */
mgmt->u.deauth.reason_code = cpu_to_le16(reason);
- ieee80211_sta_tx(sdata, skb, 0);
+ ieee80211_tx_skb(sdata, skb, 0);
}
/* MLME */
static void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_sta_bss *bss)
+ struct ieee80211_bss *bss)
{
struct ieee80211_local *local = sdata->local;
int i, have_higher_than_11mbit = 0;
}
}
-static u32 ieee80211_handle_protect_preamb(struct ieee80211_sub_if_data *sdata,
- bool use_protection,
- bool use_short_preamble)
+static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata,
+ u16 capab, bool erp_valid, u8 erp)
{
- struct ieee80211_bss_conf *bss_conf = &sdata->bss_conf;
+ struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf;
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
struct ieee80211_if_sta *ifsta = &sdata->u.sta;
- DECLARE_MAC_BUF(mac);
#endif
u32 changed = 0;
+ bool use_protection;
+ bool use_short_preamble;
+ bool use_short_slot;
+
+ if (erp_valid) {
+ use_protection = (erp & WLAN_ERP_USE_PROTECTION) != 0;
+ use_short_preamble = (erp & WLAN_ERP_BARKER_PREAMBLE) == 0;
+ } else {
+ use_protection = false;
+ use_short_preamble = !!(capab & WLAN_CAPABILITY_SHORT_PREAMBLE);
+ }
+
+ use_short_slot = !!(capab & WLAN_CAPABILITY_SHORT_SLOT_TIME);
if (use_protection != bss_conf->use_cts_prot) {
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
if (net_ratelimit()) {
- printk(KERN_DEBUG "%s: CTS protection %s (BSSID="
- "%s)\n",
+ printk(KERN_DEBUG "%s: CTS protection %s (BSSID=%pM)\n",
sdata->dev->name,
use_protection ? "enabled" : "disabled",
- print_mac(mac, ifsta->bssid));
+ ifsta->bssid);
}
#endif
bss_conf->use_cts_prot = use_protection;
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
if (net_ratelimit()) {
printk(KERN_DEBUG "%s: switched to %s barker preamble"
- " (BSSID=%s)\n",
+ " (BSSID=%pM)\n",
sdata->dev->name,
use_short_preamble ? "short" : "long",
- print_mac(mac, ifsta->bssid));
+ ifsta->bssid);
}
#endif
bss_conf->use_short_preamble = use_short_preamble;
changed |= BSS_CHANGED_ERP_PREAMBLE;
}
- return changed;
-}
-
-static u32 ieee80211_handle_erp_ie(struct ieee80211_sub_if_data *sdata,
- u8 erp_value)
-{
- bool use_protection = (erp_value & WLAN_ERP_USE_PROTECTION) != 0;
- bool use_short_preamble = (erp_value & WLAN_ERP_BARKER_PREAMBLE) == 0;
-
- return ieee80211_handle_protect_preamb(sdata,
- use_protection, use_short_preamble);
-}
-
-static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_sta_bss *bss)
-{
- u32 changed = 0;
-
- if (bss->has_erp_value)
- changed |= ieee80211_handle_erp_ie(sdata, bss->erp_value);
- else {
- u16 capab = bss->capability;
- changed |= ieee80211_handle_protect_preamb(sdata, false,
- (capab & WLAN_CAPABILITY_SHORT_PREAMBLE) != 0);
+ if (use_short_slot != bss_conf->use_short_slot) {
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+ if (net_ratelimit()) {
+ printk(KERN_DEBUG "%s: switched to %s slot time"
+ " (BSSID=%pM)\n",
+ sdata->dev->name,
+ use_short_slot ? "short" : "long",
+ ifsta->bssid);
+ }
+#endif
+ bss_conf->use_short_slot = use_short_slot;
+ changed |= BSS_CHANGED_ERP_SLOT;
}
return changed;
static void ieee80211_sta_send_associnfo(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_sta *ifsta)
{
+ char *buf;
+ size_t len;
+ int i;
union iwreq_data wrqu;
+ if (!ifsta->assocreq_ies && !ifsta->assocresp_ies)
+ return;
+
+ buf = kmalloc(50 + 2 * (ifsta->assocreq_ies_len +
+ ifsta->assocresp_ies_len), GFP_KERNEL);
+ if (!buf)
+ return;
+
+ len = sprintf(buf, "ASSOCINFO(");
if (ifsta->assocreq_ies) {
- memset(&wrqu, 0, sizeof(wrqu));
- wrqu.data.length = ifsta->assocreq_ies_len;
- wireless_send_event(sdata->dev, IWEVASSOCREQIE, &wrqu,
- ifsta->assocreq_ies);
+ len += sprintf(buf + len, "ReqIEs=");
+ for (i = 0; i < ifsta->assocreq_ies_len; i++) {
+ len += sprintf(buf + len, "%02x",
+ ifsta->assocreq_ies[i]);
+ }
}
if (ifsta->assocresp_ies) {
+ if (ifsta->assocreq_ies)
+ len += sprintf(buf + len, " ");
+ len += sprintf(buf + len, "RespIEs=");
+ for (i = 0; i < ifsta->assocresp_ies_len; i++) {
+ len += sprintf(buf + len, "%02x",
+ ifsta->assocresp_ies[i]);
+ }
+ }
+ len += sprintf(buf + len, ")");
+
+ if (len > IW_CUSTOM_MAX) {
+ len = sprintf(buf, "ASSOCRESPIE=");
+ for (i = 0; i < ifsta->assocresp_ies_len; i++) {
+ len += sprintf(buf + len, "%02x",
+ ifsta->assocresp_ies[i]);
+ }
+ }
+
+ if (len <= IW_CUSTOM_MAX) {
memset(&wrqu, 0, sizeof(wrqu));
- wrqu.data.length = ifsta->assocresp_ies_len;
- wireless_send_event(sdata->dev, IWEVASSOCRESPIE, &wrqu,
- ifsta->assocresp_ies);
+ wrqu.data.length = len;
+ wireless_send_event(sdata->dev, IWEVCUSTOM, &wrqu, buf);
}
+
+ kfree(buf);
}
static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_if_sta *ifsta)
+ struct ieee80211_if_sta *ifsta,
+ u32 bss_info_changed)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_conf *conf = &local_to_hw(local)->conf;
- u32 changed = BSS_CHANGED_ASSOC;
- struct ieee80211_sta_bss *bss;
+ struct ieee80211_bss *bss;
+ bss_info_changed |= BSS_CHANGED_ASSOC;
ifsta->flags |= IEEE80211_STA_ASSOCIATED;
- if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
+ if (sdata->vif.type != NL80211_IFTYPE_STATION)
return;
bss = ieee80211_rx_bss_get(local, ifsta->bssid,
ifsta->ssid, ifsta->ssid_len);
if (bss) {
/* set timing information */
- sdata->bss_conf.beacon_int = bss->beacon_int;
- sdata->bss_conf.timestamp = bss->timestamp;
- sdata->bss_conf.dtim_period = bss->dtim_period;
+ sdata->vif.bss_conf.beacon_int = bss->beacon_int;
+ sdata->vif.bss_conf.timestamp = bss->timestamp;
+ sdata->vif.bss_conf.dtim_period = bss->dtim_period;
- changed |= ieee80211_handle_bss_capability(sdata, bss);
+ bss_info_changed |= ieee80211_handle_bss_capability(sdata,
+ bss->capability, bss->has_erp_value, bss->erp_value);
ieee80211_rx_bss_put(local, bss);
}
- if (conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE) {
- changed |= BSS_CHANGED_HT;
- sdata->bss_conf.assoc_ht = 1;
- sdata->bss_conf.ht_conf = &conf->ht_conf;
- sdata->bss_conf.ht_bss_conf = &conf->ht_bss_conf;
- }
-
ifsta->flags |= IEEE80211_STA_PREV_BSSID_SET;
memcpy(ifsta->prev_bssid, sdata->u.sta.bssid, ETH_ALEN);
ieee80211_sta_send_associnfo(sdata, ifsta);
ifsta->last_probe = jiffies;
ieee80211_led_assoc(local, 1);
- sdata->bss_conf.assoc = 1;
- ieee80211_bss_info_change_notify(sdata, changed);
+ sdata->vif.bss_conf.assoc = 1;
+ /*
+ * For now just always ask the driver to update the basic rateset
+ * when we have associated, we aren't checking whether it actually
+ * changed or not.
+ */
+ bss_info_changed |= BSS_CHANGED_BASIC_RATES;
+ ieee80211_bss_info_change_notify(sdata, bss_info_changed);
+
+ if (local->powersave) {
+ if (local->dynamic_ps_timeout > 0)
+ mod_timer(&local->dynamic_ps_timer, jiffies +
+ msecs_to_jiffies(local->dynamic_ps_timeout));
+ else {
+ conf->flags |= IEEE80211_CONF_PS;
+ ieee80211_hw_config(local,
+ IEEE80211_CONF_CHANGE_PS);
+ }
+ }
netif_tx_start_all_queues(sdata->dev);
netif_carrier_on(sdata->dev);
static void ieee80211_direct_probe(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_sta *ifsta)
{
- DECLARE_MAC_BUF(mac);
-
ifsta->direct_probe_tries++;
if (ifsta->direct_probe_tries > IEEE80211_AUTH_MAX_TRIES) {
- printk(KERN_DEBUG "%s: direct probe to AP %s timed out\n",
- sdata->dev->name, print_mac(mac, ifsta->bssid));
+ printk(KERN_DEBUG "%s: direct probe to AP %pM timed out\n",
+ sdata->dev->name, ifsta->bssid);
ifsta->state = IEEE80211_STA_MLME_DISABLED;
+ ieee80211_sta_send_apinfo(sdata, ifsta);
return;
}
- printk(KERN_DEBUG "%s: direct probe to AP %s try %d\n",
- sdata->dev->name, print_mac(mac, ifsta->bssid),
+ printk(KERN_DEBUG "%s: direct probe to AP %pM try %d\n",
+ sdata->dev->name, ifsta->bssid,
ifsta->direct_probe_tries);
ifsta->state = IEEE80211_STA_MLME_DIRECT_PROBE;
static void ieee80211_authenticate(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_sta *ifsta)
{
- DECLARE_MAC_BUF(mac);
-
ifsta->auth_tries++;
if (ifsta->auth_tries > IEEE80211_AUTH_MAX_TRIES) {
- printk(KERN_DEBUG "%s: authentication with AP %s"
+ printk(KERN_DEBUG "%s: authentication with AP %pM"
" timed out\n",
- sdata->dev->name, print_mac(mac, ifsta->bssid));
+ sdata->dev->name, ifsta->bssid);
ifsta->state = IEEE80211_STA_MLME_DISABLED;
+ ieee80211_sta_send_apinfo(sdata, ifsta);
return;
}
ifsta->state = IEEE80211_STA_MLME_AUTHENTICATE;
- printk(KERN_DEBUG "%s: authenticate with AP %s\n",
- sdata->dev->name, print_mac(mac, ifsta->bssid));
+ printk(KERN_DEBUG "%s: authenticate with AP %pM\n",
+ sdata->dev->name, ifsta->bssid);
ieee80211_send_auth(sdata, ifsta, 1, NULL, 0, 0);
mod_timer(&ifsta->timer, jiffies + IEEE80211_AUTH_TIMEOUT);
}
+/*
+ * The disassoc 'reason' argument can be either our own reason
+ * if self disconnected or a reason code from the AP.
+ */
static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_sta *ifsta, bool deauth,
bool self_disconnected, u16 reason)
{
struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
- u32 changed = BSS_CHANGED_ASSOC;
+ u32 changed = 0, config_changed = 0;
rcu_read_lock();
netif_tx_stop_all_queues(sdata->dev);
netif_carrier_off(sdata->dev);
- ieee80211_sta_tear_down_BA_sessions(sdata, sta->addr);
+ ieee80211_sta_tear_down_BA_sessions(sdata, sta->sta.addr);
if (self_disconnected) {
if (deauth)
ifsta->flags &= ~IEEE80211_STA_ASSOCIATED;
changed |= ieee80211_reset_erp_info(sdata);
- if (sdata->bss_conf.assoc_ht)
- changed |= BSS_CHANGED_HT;
-
- sdata->bss_conf.assoc_ht = 0;
- sdata->bss_conf.ht_conf = NULL;
- sdata->bss_conf.ht_bss_conf = NULL;
-
ieee80211_led_assoc(local, 0);
- sdata->bss_conf.assoc = 0;
+ changed |= BSS_CHANGED_ASSOC;
+ sdata->vif.bss_conf.assoc = false;
ieee80211_sta_send_apinfo(sdata, ifsta);
- if (self_disconnected)
+ if (self_disconnected || reason == WLAN_REASON_DISASSOC_STA_HAS_LEFT)
ifsta->state = IEEE80211_STA_MLME_DISABLED;
+ rcu_read_unlock();
+
+ local->hw.conf.ht.enabled = false;
+ local->oper_channel_type = NL80211_CHAN_NO_HT;
+ config_changed |= IEEE80211_CONF_CHANGE_HT;
+
+ del_timer_sync(&local->dynamic_ps_timer);
+ cancel_work_sync(&local->dynamic_ps_enable_work);
+
+ if (local->hw.conf.flags & IEEE80211_CONF_PS) {
+ local->hw.conf.flags &= ~IEEE80211_CONF_PS;
+ config_changed |= IEEE80211_CONF_CHANGE_PS;
+ }
+
+ ieee80211_hw_config(local, config_changed);
+ ieee80211_bss_info_change_notify(sdata, changed);
+
+ rcu_read_lock();
+
+ sta = sta_info_get(local, ifsta->bssid);
+ if (!sta) {
+ rcu_read_unlock();
+ return;
+ }
+
sta_info_unlink(&sta);
rcu_read_unlock();
struct ieee80211_if_sta *ifsta)
{
struct ieee80211_local *local = sdata->local;
- struct ieee80211_sta_bss *bss;
+ struct ieee80211_bss *bss;
int bss_privacy;
int wep_privacy;
int privacy_invoked;
static void ieee80211_associate(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_sta *ifsta)
{
- DECLARE_MAC_BUF(mac);
-
ifsta->assoc_tries++;
if (ifsta->assoc_tries > IEEE80211_ASSOC_MAX_TRIES) {
- printk(KERN_DEBUG "%s: association with AP %s"
+ printk(KERN_DEBUG "%s: association with AP %pM"
" timed out\n",
- sdata->dev->name, print_mac(mac, ifsta->bssid));
+ sdata->dev->name, ifsta->bssid);
ifsta->state = IEEE80211_STA_MLME_DISABLED;
+ ieee80211_sta_send_apinfo(sdata, ifsta);
return;
}
ifsta->state = IEEE80211_STA_MLME_ASSOCIATE;
- printk(KERN_DEBUG "%s: associate with AP %s\n",
- sdata->dev->name, print_mac(mac, ifsta->bssid));
+ printk(KERN_DEBUG "%s: associate with AP %pM\n",
+ sdata->dev->name, ifsta->bssid);
if (ieee80211_privacy_mismatch(sdata, ifsta)) {
printk(KERN_DEBUG "%s: mismatch in privacy configuration and "
"mixed-cell disabled - abort association\n", sdata->dev->name);
struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
int disassoc;
- DECLARE_MAC_BUF(mac);
/* TODO: start monitoring current AP signal quality and number of
* missed beacons. Scan other channels every now and then and search
sta = sta_info_get(local, ifsta->bssid);
if (!sta) {
- printk(KERN_DEBUG "%s: No STA entry for own AP %s\n",
- sdata->dev->name, print_mac(mac, ifsta->bssid));
+ printk(KERN_DEBUG "%s: No STA entry for own AP %pM\n",
+ sdata->dev->name, ifsta->bssid);
disassoc = 1;
} else {
disassoc = 0;
sta->last_rx + IEEE80211_MONITORING_INTERVAL)) {
if (ifsta->flags & IEEE80211_STA_PROBEREQ_POLL) {
printk(KERN_DEBUG "%s: No ProbeResp from "
- "current AP %s - assume out of "
+ "current AP %pM - assume out of "
"range\n",
- sdata->dev->name, print_mac(mac, ifsta->bssid));
+ sdata->dev->name, ifsta->bssid);
disassoc = 1;
} else
ieee80211_send_probe_req(sdata, ifsta->bssid,
- local->scan_ssid,
- local->scan_ssid_len);
+ ifsta->ssid,
+ ifsta->ssid_len);
ifsta->flags ^= IEEE80211_STA_PROBEREQ_POLL;
} else {
ifsta->flags &= ~IEEE80211_STA_PROBEREQ_POLL;
size_t len)
{
u16 auth_alg, auth_transaction, status_code;
- DECLARE_MAC_BUF(mac);
if (ifsta->state != IEEE80211_STA_MLME_AUTHENTICATE &&
- sdata->vif.type != IEEE80211_IF_TYPE_IBSS)
+ sdata->vif.type != NL80211_IFTYPE_ADHOC)
return;
if (len < 24 + 6)
return;
- if (sdata->vif.type != IEEE80211_IF_TYPE_IBSS &&
+ if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
memcmp(ifsta->bssid, mgmt->sa, ETH_ALEN) != 0)
return;
- if (sdata->vif.type != IEEE80211_IF_TYPE_IBSS &&
+ if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
memcmp(ifsta->bssid, mgmt->bssid, ETH_ALEN) != 0)
return;
auth_transaction = le16_to_cpu(mgmt->u.auth.auth_transaction);
status_code = le16_to_cpu(mgmt->u.auth.status_code);
- if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
+ if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
/*
* IEEE 802.11 standard does not require authentication in IBSS
* networks and most implementations do not seem to use it.
size_t len)
{
u16 reason_code;
- DECLARE_MAC_BUF(mac);
if (len < 24 + 2)
return;
reason_code = le16_to_cpu(mgmt->u.deauth.reason_code);
if (ifsta->flags & IEEE80211_STA_AUTHENTICATED)
- printk(KERN_DEBUG "%s: deauthenticated\n", sdata->dev->name);
+ printk(KERN_DEBUG "%s: deauthenticated (Reason: %u)\n",
+ sdata->dev->name, reason_code);
if (ifsta->state == IEEE80211_STA_MLME_AUTHENTICATE ||
ifsta->state == IEEE80211_STA_MLME_ASSOCIATE ||
size_t len)
{
u16 reason_code;
- DECLARE_MAC_BUF(mac);
if (len < 24 + 2)
return;
reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code);
if (ifsta->flags & IEEE80211_STA_ASSOCIATED)
- printk(KERN_DEBUG "%s: disassociated\n", sdata->dev->name);
+ printk(KERN_DEBUG "%s: disassociated (Reason: %u)\n",
+ sdata->dev->name, reason_code);
if (ifsta->state == IEEE80211_STA_MLME_ASSOCIATED) {
ifsta->state = IEEE80211_STA_MLME_ASSOCIATE;
IEEE80211_RETRY_AUTH_INTERVAL);
}
- ieee80211_set_disassoc(sdata, ifsta, false, false, 0);
+ ieee80211_set_disassoc(sdata, ifsta, false, false, reason_code);
}
u64 rates, basic_rates;
u16 capab_info, status_code, aid;
struct ieee802_11_elems elems;
- struct ieee80211_bss_conf *bss_conf = &sdata->bss_conf;
+ struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf;
u8 *pos;
+ u32 changed = 0;
int i, j;
- DECLARE_MAC_BUF(mac);
- bool have_higher_than_11mbit = false;
+ bool have_higher_than_11mbit = false, newsta = false;
+ u16 ap_ht_cap_flags;
/* AssocResp and ReassocResp have identical structure, so process both
* of them in this function. */
status_code = le16_to_cpu(mgmt->u.assoc_resp.status_code);
aid = le16_to_cpu(mgmt->u.assoc_resp.aid);
- printk(KERN_DEBUG "%s: RX %sssocResp from %s (capab=0x%x "
+ printk(KERN_DEBUG "%s: RX %sssocResp from %pM (capab=0x%x "
"status=%d aid=%d)\n",
- sdata->dev->name, reassoc ? "Rea" : "A", print_mac(mac, mgmt->sa),
+ sdata->dev->name, reassoc ? "Rea" : "A", mgmt->sa,
capab_info, status_code, (u16)(aid & ~(BIT(15) | BIT(14))));
if (status_code != WLAN_STATUS_SUCCESS) {
/* Add STA entry for the AP */
sta = sta_info_get(local, ifsta->bssid);
if (!sta) {
- struct ieee80211_sta_bss *bss;
- int err;
+ struct ieee80211_bss *bss;
+
+ newsta = true;
sta = sta_info_alloc(sdata, ifsta->bssid, GFP_ATOMIC);
if (!sta) {
ieee80211_rx_bss_put(local, bss);
}
- err = sta_info_insert(sta);
- if (err) {
- printk(KERN_DEBUG "%s: failed to insert STA entry for"
- " the AP (error %d)\n", sdata->dev->name, err);
- rcu_read_unlock();
- return;
- }
/* update new sta with its last rx activity */
sta->last_rx = jiffies;
}
for (i = 0; i < elems.supp_rates_len; i++) {
int rate = (elems.supp_rates[i] & 0x7f) * 5;
+ bool is_basic = !!(elems.supp_rates[i] & 0x80);
if (rate > 110)
have_higher_than_11mbit = true;
for (j = 0; j < sband->n_bitrates; j++) {
- if (sband->bitrates[j].bitrate == rate)
+ if (sband->bitrates[j].bitrate == rate) {
rates |= BIT(j);
- if (elems.supp_rates[i] & 0x80)
- basic_rates |= BIT(j);
+ if (is_basic)
+ basic_rates |= BIT(j);
+ break;
+ }
}
}
for (i = 0; i < elems.ext_supp_rates_len; i++) {
int rate = (elems.ext_supp_rates[i] & 0x7f) * 5;
+ bool is_basic = !!(elems.supp_rates[i] & 0x80);
if (rate > 110)
have_higher_than_11mbit = true;
for (j = 0; j < sband->n_bitrates; j++) {
- if (sband->bitrates[j].bitrate == rate)
+ if (sband->bitrates[j].bitrate == rate) {
rates |= BIT(j);
- if (elems.ext_supp_rates[i] & 0x80)
- basic_rates |= BIT(j);
+ if (is_basic)
+ basic_rates |= BIT(j);
+ break;
+ }
}
}
- sta->supp_rates[local->hw.conf.channel->band] = rates;
- sdata->basic_rates = basic_rates;
+ sta->sta.supp_rates[local->hw.conf.channel->band] = rates;
+ sdata->vif.bss_conf.basic_rates = basic_rates;
/* cf. IEEE 802.11 9.2.12 */
if (local->hw.conf.channel->band == IEEE80211_BAND_2GHZ &&
else
sdata->flags &= ~IEEE80211_SDATA_OPERATING_GMODE;
- if (elems.ht_cap_elem && elems.ht_info_elem && elems.wmm_param &&
- (ifsta->flags & IEEE80211_STA_WMM_ENABLED)) {
- struct ieee80211_ht_bss_info bss_info;
- ieee80211_ht_cap_ie_to_ht_info(
- (struct ieee80211_ht_cap *)
- elems.ht_cap_elem, &sta->ht_info);
- ieee80211_ht_addt_info_ie_to_ht_bss_info(
- (struct ieee80211_ht_addt_info *)
- elems.ht_info_elem, &bss_info);
- ieee80211_handle_ht(local, 1, &sta->ht_info, &bss_info);
- }
+ if (elems.ht_cap_elem)
+ ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
+ elems.ht_cap_elem, &sta->sta.ht_cap);
+
+ ap_ht_cap_flags = sta->sta.ht_cap.cap;
- rate_control_rate_init(sta, local);
+ rate_control_rate_init(sta);
- if (elems.wmm_param) {
+ if (elems.wmm_param)
set_sta_flags(sta, WLAN_STA_WME);
- rcu_read_unlock();
+
+ if (newsta) {
+ int err = sta_info_insert(sta);
+ if (err) {
+ printk(KERN_DEBUG "%s: failed to insert STA entry for"
+ " the AP (error %d)\n", sdata->dev->name, err);
+ rcu_read_unlock();
+ return;
+ }
+ }
+
+ rcu_read_unlock();
+
+ if (elems.wmm_param)
ieee80211_sta_wmm_params(local, ifsta, elems.wmm_param,
elems.wmm_param_len);
- } else
- rcu_read_unlock();
+
+ if (elems.ht_info_elem && elems.wmm_param &&
+ (ifsta->flags & IEEE80211_STA_WMM_ENABLED))
+ changed |= ieee80211_enable_ht(sdata, elems.ht_info_elem,
+ ap_ht_cap_flags);
/* set AID and assoc capability,
* ieee80211_set_associated() will tell the driver */
bss_conf->aid = aid;
bss_conf->assoc_capability = capab_info;
- ieee80211_set_associated(sdata, ifsta);
+ ieee80211_set_associated(sdata, ifsta, changed);
ieee80211_associated(sdata, ifsta);
}
static int ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_sta *ifsta,
- struct ieee80211_sta_bss *bss)
+ struct ieee80211_bss *bss)
{
struct ieee80211_local *local = sdata->local;
int res, rates, i, j;
struct ieee80211_supported_band *sband;
union iwreq_data wrqu;
+ skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400);
+ if (!skb) {
+ printk(KERN_DEBUG "%s: failed to allocate buffer for probe "
+ "response\n", sdata->dev->name);
+ return -ENOMEM;
+ }
+
sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
/* Remove possible STA entries from other IBSS networks. */
return res;
/* Build IBSS probe response */
- skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400);
- if (skb) {
- skb_reserve(skb, local->hw.extra_tx_headroom);
- mgmt = (struct ieee80211_mgmt *)
- skb_put(skb, 24 + sizeof(mgmt->u.beacon));
- memset(mgmt, 0, 24 + sizeof(mgmt->u.beacon));
- mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
- IEEE80211_STYPE_PROBE_RESP);
- memset(mgmt->da, 0xff, ETH_ALEN);
- memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
- memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
- mgmt->u.beacon.beacon_int =
- cpu_to_le16(local->hw.conf.beacon_int);
- mgmt->u.beacon.timestamp = cpu_to_le64(bss->timestamp);
- mgmt->u.beacon.capab_info = cpu_to_le16(bss->capability);
-
- pos = skb_put(skb, 2 + ifsta->ssid_len);
- *pos++ = WLAN_EID_SSID;
- *pos++ = ifsta->ssid_len;
- memcpy(pos, ifsta->ssid, ifsta->ssid_len);
-
- rates = bss->supp_rates_len;
- if (rates > 8)
- rates = 8;
- pos = skb_put(skb, 2 + rates);
- *pos++ = WLAN_EID_SUPP_RATES;
- *pos++ = rates;
- memcpy(pos, bss->supp_rates, rates);
+ skb_reserve(skb, local->hw.extra_tx_headroom);
- if (bss->band == IEEE80211_BAND_2GHZ) {
- pos = skb_put(skb, 2 + 1);
- *pos++ = WLAN_EID_DS_PARAMS;
- *pos++ = 1;
- *pos++ = ieee80211_frequency_to_channel(bss->freq);
- }
+ mgmt = (struct ieee80211_mgmt *)
+ skb_put(skb, 24 + sizeof(mgmt->u.beacon));
+ memset(mgmt, 0, 24 + sizeof(mgmt->u.beacon));
+ mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
+ IEEE80211_STYPE_PROBE_RESP);
+ memset(mgmt->da, 0xff, ETH_ALEN);
+ memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
+ memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
+ mgmt->u.beacon.beacon_int =
+ cpu_to_le16(local->hw.conf.beacon_int);
+ mgmt->u.beacon.timestamp = cpu_to_le64(bss->timestamp);
+ mgmt->u.beacon.capab_info = cpu_to_le16(bss->capability);
- pos = skb_put(skb, 2 + 2);
- *pos++ = WLAN_EID_IBSS_PARAMS;
- *pos++ = 2;
- /* FIX: set ATIM window based on scan results */
- *pos++ = 0;
- *pos++ = 0;
+ pos = skb_put(skb, 2 + ifsta->ssid_len);
+ *pos++ = WLAN_EID_SSID;
+ *pos++ = ifsta->ssid_len;
+ memcpy(pos, ifsta->ssid, ifsta->ssid_len);
- if (bss->supp_rates_len > 8) {
- rates = bss->supp_rates_len - 8;
- pos = skb_put(skb, 2 + rates);
- *pos++ = WLAN_EID_EXT_SUPP_RATES;
- *pos++ = rates;
- memcpy(pos, &bss->supp_rates[8], rates);
- }
+ rates = bss->supp_rates_len;
+ if (rates > 8)
+ rates = 8;
+ pos = skb_put(skb, 2 + rates);
+ *pos++ = WLAN_EID_SUPP_RATES;
+ *pos++ = rates;
+ memcpy(pos, bss->supp_rates, rates);
- ifsta->probe_resp = skb;
+ if (bss->band == IEEE80211_BAND_2GHZ) {
+ pos = skb_put(skb, 2 + 1);
+ *pos++ = WLAN_EID_DS_PARAMS;
+ *pos++ = 1;
+ *pos++ = ieee80211_frequency_to_channel(bss->freq);
+ }
+
+ pos = skb_put(skb, 2 + 2);
+ *pos++ = WLAN_EID_IBSS_PARAMS;
+ *pos++ = 2;
+ /* FIX: set ATIM window based on scan results */
+ *pos++ = 0;
+ *pos++ = 0;
- ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON);
+ if (bss->supp_rates_len > 8) {
+ rates = bss->supp_rates_len - 8;
+ pos = skb_put(skb, 2 + rates);
+ *pos++ = WLAN_EID_EXT_SUPP_RATES;
+ *pos++ = rates;
+ memcpy(pos, &bss->supp_rates[8], rates);
}
+ ifsta->probe_resp = skb;
+
+ ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON);
+
+
rates = 0;
sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
for (i = 0; i < bss->supp_rates_len; i++) {
ifsta->state = IEEE80211_STA_MLME_IBSS_JOINED;
mod_timer(&ifsta->timer, jiffies + IEEE80211_IBSS_MERGE_INTERVAL);
+ ieee80211_led_assoc(local, true);
+
memset(&wrqu, 0, sizeof(wrqu));
memcpy(wrqu.ap_addr.sa_data, bss->bssid, ETH_ALEN);
wireless_send_event(sdata->dev, SIOCGIWAP, &wrqu, NULL);
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)
-{
- struct ieee80211_supported_band *sband;
- struct ieee80211_rate *bitrates;
- u64 mandatory_rates;
- enum ieee80211_rate_flags mandatory_flag;
- int i;
-
- sband = local->hw.wiphy->bands[band];
- if (!sband) {
- WARN_ON(1);
- sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
- }
-
- if (band == IEEE80211_BAND_2GHZ)
- mandatory_flag = IEEE80211_RATE_MANDATORY_B;
- else
- mandatory_flag = IEEE80211_RATE_MANDATORY_A;
-
- bitrates = sband->bitrates;
- mandatory_rates = 0;
- for (i = 0; i < sband->n_bitrates; i++)
- if (bitrates[i].flags & mandatory_flag)
- mandatory_rates |= BIT(i);
- return mandatory_rates;
-}
-
-static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_mgmt *mgmt,
- size_t len,
- struct ieee80211_rx_status *rx_status,
- struct ieee802_11_elems *elems,
- bool beacon)
+static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_mgmt *mgmt,
+ size_t len,
+ struct ieee80211_rx_status *rx_status,
+ struct ieee802_11_elems *elems,
+ bool beacon)
{
struct ieee80211_local *local = sdata->local;
int freq;
- struct ieee80211_sta_bss *bss;
+ struct ieee80211_bss *bss;
struct sta_info *sta;
struct ieee80211_channel *channel;
u64 beacon_timestamp, rx_timestamp;
u64 supp_rates = 0;
enum ieee80211_band band = rx_status->band;
- DECLARE_MAC_BUF(mac);
- DECLARE_MAC_BUF(mac2);
if (elems->ds_params && elems->ds_params_len == 1)
freq = ieee80211_channel_to_frequency(elems->ds_params[0]);
if (!channel || channel->flags & IEEE80211_CHAN_DISABLED)
return;
- if (ieee80211_vif_is_mesh(&sdata->vif) && elems->mesh_id &&
- elems->mesh_config && mesh_matches_local(elems, sdata)) {
- supp_rates = ieee80211_sta_get_rates(local, elems, band);
-
- mesh_neighbour_update(mgmt->sa, supp_rates, sdata,
- mesh_peer_accepts_plinks(elems));
- }
-
- if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS && elems->supp_rates &&
+ if (sdata->vif.type == NL80211_IFTYPE_ADHOC && elems->supp_rates &&
memcmp(mgmt->bssid, sdata->u.sta.bssid, ETH_ALEN) == 0) {
supp_rates = ieee80211_sta_get_rates(local, elems, band);
if (sta) {
u64 prev_rates;
- prev_rates = sta->supp_rates[band];
+ prev_rates = sta->sta.supp_rates[band];
/* make sure mandatory rates are always added */
- sta->supp_rates[band] = supp_rates |
- ieee80211_sta_get_mandatory_rates(local, band);
+ sta->sta.supp_rates[band] = supp_rates |
+ ieee80211_mandatory_rates(local, band);
#ifdef CONFIG_MAC80211_IBSS_DEBUG
- if (sta->supp_rates[band] != prev_rates)
+ if (sta->sta.supp_rates[band] != prev_rates)
printk(KERN_DEBUG "%s: updated supp_rates set "
- "for %s based on beacon info (0x%llx | "
+ "for %pM based on beacon info (0x%llx | "
"0x%llx -> 0x%llx)\n",
- sdata->dev->name, print_mac(mac, sta->addr),
+ sdata->dev->name,
+ sta->sta.addr,
(unsigned long long) prev_rates,
(unsigned long long) supp_rates,
- (unsigned long long) sta->supp_rates[band]);
+ (unsigned long long) sta->sta.supp_rates[band]);
#endif
} else {
- ieee80211_ibss_add_sta(sdata, NULL, mgmt->bssid,
- mgmt->sa, supp_rates);
+ ieee80211_ibss_add_sta(sdata, mgmt->bssid, mgmt->sa, supp_rates);
}
rcu_read_unlock();
* In STA mode, the remaining parameters should not be overridden
* by beacons because they're not necessarily accurate there.
*/
- if (sdata->vif.type != IEEE80211_IF_TYPE_IBSS &&
+ if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
bss->last_probe_resp && beacon) {
ieee80211_rx_bss_put(local, bss);
return;
}
/* check if we need to merge IBSS */
- if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS && beacon &&
+ if (sdata->vif.type == NL80211_IFTYPE_ADHOC && beacon &&
bss->capability & WLAN_CAPABILITY_IBSS &&
bss->freq == local->oper_channel->center_freq &&
elems->ssid_len == sdata->u.sta.ssid_len &&
* e.g: at 1 MBit that means mactime is 192 usec earlier
* (=24 bytes * 8 usecs/byte) than the beacon timestamp.
*/
- int rate = local->hw.wiphy->bands[band]->
+ int rate;
+ if (rx_status->flag & RX_FLAG_HT) {
+ rate = 65; /* TODO: HT rates */
+ } else {
+ rate = local->hw.wiphy->bands[band]->
bitrates[rx_status->rate_idx].bitrate;
+ }
rx_timestamp = rx_status->mactime + (24 * 8 * 10 / rate);
} else if (local && local->ops && local->ops->get_tsf)
/* second best option: get current TSF */
/* can't merge without knowing the TSF */
rx_timestamp = -1LLU;
#ifdef CONFIG_MAC80211_IBSS_DEBUG
- printk(KERN_DEBUG "RX beacon SA=%s BSSID="
- "%s TSF=0x%llx BCN=0x%llx diff=%lld @%lu\n",
- print_mac(mac, mgmt->sa),
- print_mac(mac2, mgmt->bssid),
+ printk(KERN_DEBUG "RX beacon SA=%pM BSSID="
+ "%pM TSF=0x%llx BCN=0x%llx diff=%lld @%lu\n",
+ mgmt->sa, mgmt->bssid,
(unsigned long long)rx_timestamp,
(unsigned long long)beacon_timestamp,
(unsigned long long)(rx_timestamp - beacon_timestamp),
if (beacon_timestamp > rx_timestamp) {
#ifdef CONFIG_MAC80211_IBSS_DEBUG
printk(KERN_DEBUG "%s: beacon TSF higher than "
- "local TSF - IBSS merge with BSSID %s\n",
- sdata->dev->name, print_mac(mac, mgmt->bssid));
+ "local TSF - IBSS merge with BSSID %pM\n",
+ sdata->dev->name, mgmt->bssid);
#endif
ieee80211_sta_join_ibss(sdata, &sdata->u.sta, bss);
- ieee80211_ibss_add_sta(sdata, NULL,
- mgmt->bssid, mgmt->sa,
- supp_rates);
+ ieee80211_ibss_add_sta(sdata, mgmt->bssid, mgmt->sa, supp_rates);
}
}
size_t baselen;
struct ieee802_11_elems elems;
struct ieee80211_local *local = sdata->local;
- struct ieee80211_conf *conf = &local->hw.conf;
u32 changed = 0;
+ bool erp_valid;
+ u8 erp_value = 0;
/* Process beacon from the current BSS */
baselen = (u8 *) mgmt->u.beacon.variable - (u8 *) mgmt;
ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems, true);
- if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
+ if (sdata->vif.type != NL80211_IFTYPE_STATION)
return;
ifsta = &sdata->u.sta;
ieee80211_sta_wmm_params(local, ifsta, elems.wmm_param,
elems.wmm_param_len);
- if (elems.erp_info && elems.erp_info_len >= 1)
- changed |= ieee80211_handle_erp_ie(sdata, elems.erp_info[0]);
- else {
- u16 capab = le16_to_cpu(mgmt->u.beacon.capab_info);
- changed |= ieee80211_handle_protect_preamb(sdata, false,
- (capab & WLAN_CAPABILITY_SHORT_PREAMBLE) != 0);
+
+ if (elems.erp_info && elems.erp_info_len >= 1) {
+ erp_valid = true;
+ erp_value = elems.erp_info[0];
+ } else {
+ erp_valid = false;
}
+ changed |= ieee80211_handle_bss_capability(sdata,
+ le16_to_cpu(mgmt->u.beacon.capab_info),
+ erp_valid, erp_value);
+
+
+ if (elems.ht_cap_elem && elems.ht_info_elem && elems.wmm_param) {
+ struct sta_info *sta;
+ struct ieee80211_supported_band *sband;
+ u16 ap_ht_cap_flags;
+
+ rcu_read_lock();
+
+ sta = sta_info_get(local, ifsta->bssid);
+ if (!sta) {
+ rcu_read_unlock();
+ return;
+ }
+
+ sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
- if (elems.ht_cap_elem && elems.ht_info_elem &&
- elems.wmm_param && conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE) {
- struct ieee80211_ht_bss_info bss_info;
+ ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
+ elems.ht_cap_elem, &sta->sta.ht_cap);
- ieee80211_ht_addt_info_ie_to_ht_bss_info(
- (struct ieee80211_ht_addt_info *)
- elems.ht_info_elem, &bss_info);
- changed |= ieee80211_handle_ht(local, 1, &conf->ht_conf,
- &bss_info);
+ ap_ht_cap_flags = sta->sta.ht_cap.cap;
+
+ rcu_read_unlock();
+
+ changed |= ieee80211_enable_ht(sdata, elems.ht_info_elem,
+ ap_ht_cap_flags);
+ }
+
+ if (elems.country_elem) {
+ /* Note we are only reviewing this on beacons
+ * for the BSSID we are associated to */
+ regulatory_hint_11d(local->hw.wiphy,
+ elems.country_elem, elems.country_elem_len);
}
ieee80211_bss_info_change_notify(sdata, changed);
struct sk_buff *skb;
struct ieee80211_mgmt *resp;
u8 *pos, *end;
- DECLARE_MAC_BUF(mac);
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
- DECLARE_MAC_BUF(mac2);
- DECLARE_MAC_BUF(mac3);
-#endif
- if (sdata->vif.type != IEEE80211_IF_TYPE_IBSS ||
+ if (sdata->vif.type != NL80211_IFTYPE_ADHOC ||
ifsta->state != IEEE80211_STA_MLME_IBSS_JOINED ||
len < 24 + 2 || !ifsta->probe_resp)
return;
tx_last_beacon = 1;
#ifdef CONFIG_MAC80211_IBSS_DEBUG
- printk(KERN_DEBUG "%s: RX ProbeReq SA=%s DA=%s BSSID="
- "%s (tx_last_beacon=%d)\n",
- sdata->dev->name, print_mac(mac, mgmt->sa), print_mac(mac2, mgmt->da),
- print_mac(mac3, mgmt->bssid), tx_last_beacon);
+ printk(KERN_DEBUG "%s: RX ProbeReq SA=%pM DA=%pM BSSID=%pM"
+ " (tx_last_beacon=%d)\n",
+ sdata->dev->name, mgmt->sa, mgmt->da,
+ mgmt->bssid, tx_last_beacon);
#endif /* CONFIG_MAC80211_IBSS_DEBUG */
if (!tx_last_beacon)
pos + 2 + pos[1] > end) {
#ifdef CONFIG_MAC80211_IBSS_DEBUG
printk(KERN_DEBUG "%s: Invalid SSID IE in ProbeReq "
- "from %s\n",
- sdata->dev->name, print_mac(mac, mgmt->sa));
+ "from %pM\n",
+ sdata->dev->name, mgmt->sa);
#endif
return;
}
resp = (struct ieee80211_mgmt *) skb->data;
memcpy(resp->da, mgmt->sa, ETH_ALEN);
#ifdef CONFIG_MAC80211_IBSS_DEBUG
- printk(KERN_DEBUG "%s: Sending ProbeResp to %s\n",
- sdata->dev->name, print_mac(mac, resp->da));
+ printk(KERN_DEBUG "%s: Sending ProbeResp to %pM\n",
+ sdata->dev->name, resp->da);
#endif /* CONFIG_MAC80211_IBSS_DEBUG */
- ieee80211_sta_tx(sdata, skb, 0);
-}
-
-static void ieee80211_rx_mgmt_action(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_if_sta *ifsta,
- struct ieee80211_mgmt *mgmt,
- size_t len,
- struct ieee80211_rx_status *rx_status)
-{
- /* currently we only handle mesh interface action frames here */
- if (!ieee80211_vif_is_mesh(&sdata->vif))
- return;
-
- switch (mgmt->u.action.category) {
- case PLINK_CATEGORY:
- mesh_rx_plink_frame(sdata, mgmt, len, rx_status);
- break;
- case MESH_PATH_SEL_CATEGORY:
- mesh_rx_path_sel_frame(sdata, mgmt, len);
- break;
- }
+ ieee80211_tx_skb(sdata, skb, 0);
}
void ieee80211_sta_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
case IEEE80211_STYPE_PROBE_REQ:
case IEEE80211_STYPE_PROBE_RESP:
case IEEE80211_STYPE_BEACON:
- case IEEE80211_STYPE_ACTION:
memcpy(skb->cb, rx_status, sizeof(*rx_status));
case IEEE80211_STYPE_AUTH:
case IEEE80211_STYPE_ASSOC_RESP:
case IEEE80211_STYPE_DISASSOC:
ieee80211_rx_mgmt_disassoc(sdata, ifsta, mgmt, skb->len);
break;
- case IEEE80211_STYPE_ACTION:
- ieee80211_rx_mgmt_action(sdata, ifsta, mgmt, skb->len, rx_status);
- break;
}
kfree_skb(skb);
}
-static void ieee80211_sta_expire(struct ieee80211_sub_if_data *sdata, unsigned long exp_time)
-{
- struct ieee80211_local *local = sdata->local;
- struct sta_info *sta, *tmp;
- LIST_HEAD(tmp_list);
- DECLARE_MAC_BUF(mac);
- unsigned long flags;
-
- spin_lock_irqsave(&local->sta_lock, flags);
- list_for_each_entry_safe(sta, tmp, &local->sta_list, list)
- if (time_after(jiffies, sta->last_rx + exp_time)) {
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
- printk(KERN_DEBUG "%s: expiring inactive STA %s\n",
- sdata->dev->name, print_mac(mac, sta->addr));
-#endif
- __sta_info_unlink(&sta);
- if (sta)
- list_add(&sta->list, &tmp_list);
- }
- spin_unlock_irqrestore(&local->sta_lock, flags);
-
- list_for_each_entry_safe(sta, tmp, &tmp_list, list)
- sta_info_destroy(sta);
-}
-
-
static void ieee80211_sta_merge_ibss(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_sta *ifsta)
{
printk(KERN_DEBUG "%s: No active IBSS STAs - trying to scan for other "
"IBSS networks with same SSID (merge)\n", sdata->dev->name);
- ieee80211_sta_req_scan(sdata, ifsta->ssid, ifsta->ssid_len);
-}
-
-
-#ifdef CONFIG_MAC80211_MESH
-static void ieee80211_mesh_housekeeping(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_if_sta *ifsta)
-{
- bool free_plinks;
-
- ieee80211_sta_expire(sdata, IEEE80211_MESH_PEER_INACTIVITY_LIMIT);
- mesh_path_expire(sdata);
-
- free_plinks = mesh_plink_availables(sdata);
- if (free_plinks != sdata->u.sta.accepting_plinks)
- ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON);
-
- mod_timer(&ifsta->timer, jiffies +
- IEEE80211_MESH_HOUSEKEEPING_INTERVAL);
-}
-
-
-void ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata)
-{
- struct ieee80211_if_sta *ifsta;
- ifsta = &sdata->u.sta;
- ifsta->state = IEEE80211_STA_MLME_MESH_UP;
- ieee80211_sta_timer((unsigned long)sdata);
- ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON);
+ ieee80211_request_scan(sdata, ifsta->ssid, ifsta->ssid_len);
}
-#endif
-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;
}
-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)
{
}
}
- if (hidden_ssid && ifsta->ssid_len == ssid_len)
+ if (hidden_ssid && (ifsta->ssid_len == ssid_len || ssid_len == 0))
return 1;
if (ssid_len == 1 && ssid[0] == ' ')
struct ieee80211_if_sta *ifsta)
{
struct ieee80211_local *local = sdata->local;
- struct ieee80211_sta_bss *bss;
+ struct ieee80211_bss *bss;
struct ieee80211_supported_band *sband;
u8 bssid[ETH_ALEN], *pos;
int i;
int ret;
- DECLARE_MAC_BUF(mac);
#if 0
/* Easier testing, use fixed BSSID. */
bssid[0] |= 0x02;
#endif
- printk(KERN_DEBUG "%s: Creating new IBSS network, BSSID %s\n",
- sdata->dev->name, print_mac(mac, bssid));
+ printk(KERN_DEBUG "%s: Creating new IBSS network, BSSID %pM\n",
+ sdata->dev->name, bssid);
bss = ieee80211_rx_bss_add(local, bssid,
local->hw.conf.channel->center_freq,
struct ieee80211_if_sta *ifsta)
{
struct ieee80211_local *local = sdata->local;
- struct ieee80211_sta_bss *bss;
+ struct ieee80211_bss *bss;
int found = 0;
u8 bssid[ETH_ALEN];
int active_ibss;
- DECLARE_MAC_BUF(mac);
- DECLARE_MAC_BUF(mac2);
if (ifsta->ssid_len == 0)
return -EINVAL;
printk(KERN_DEBUG "%s: sta_find_ibss (active_ibss=%d)\n",
sdata->dev->name, active_ibss);
#endif /* CONFIG_MAC80211_IBSS_DEBUG */
- spin_lock_bh(&local->sta_bss_lock);
- list_for_each_entry(bss, &local->sta_bss_list, list) {
+ spin_lock_bh(&local->bss_lock);
+ list_for_each_entry(bss, &local->bss_list, list) {
if (ifsta->ssid_len != bss->ssid_len ||
memcmp(ifsta->ssid, bss->ssid, bss->ssid_len) != 0
|| !(bss->capability & WLAN_CAPABILITY_IBSS))
continue;
#ifdef CONFIG_MAC80211_IBSS_DEBUG
- printk(KERN_DEBUG " bssid=%s found\n",
- print_mac(mac, bss->bssid));
+ printk(KERN_DEBUG " bssid=%pM found\n", bss->bssid);
#endif /* CONFIG_MAC80211_IBSS_DEBUG */
memcpy(bssid, bss->bssid, ETH_ALEN);
found = 1;
if (active_ibss || memcmp(bssid, ifsta->bssid, ETH_ALEN) != 0)
break;
}
- spin_unlock_bh(&local->sta_bss_lock);
+ spin_unlock_bh(&local->bss_lock);
#ifdef CONFIG_MAC80211_IBSS_DEBUG
if (found)
- printk(KERN_DEBUG " sta_find_ibss: selected %s current "
- "%s\n", print_mac(mac, bssid),
- print_mac(mac2, ifsta->bssid));
+ printk(KERN_DEBUG " sta_find_ibss: selected %pM current "
+ "%pM\n", bssid, ifsta->bssid);
#endif /* CONFIG_MAC80211_IBSS_DEBUG */
if (found && memcmp(ifsta->bssid, bssid, ETH_ALEN) != 0) {
if (!bss)
goto dont_join;
- printk(KERN_DEBUG "%s: Selected IBSS BSSID %s"
+ printk(KERN_DEBUG "%s: Selected IBSS BSSID %pM"
" based on configured SSID\n",
- sdata->dev->name, print_mac(mac, bssid));
+ sdata->dev->name, bssid);
ret = ieee80211_sta_join_ibss(sdata, ifsta, bss);
ieee80211_rx_bss_put(local, bss);
return ret;
IEEE80211_SCAN_INTERVAL)) {
printk(KERN_DEBUG "%s: Trigger new scan to find an IBSS to "
"join\n", sdata->dev->name);
- return ieee80211_sta_req_scan(sdata, ifsta->ssid,
+ return ieee80211_request_scan(sdata, ifsta->ssid,
ifsta->ssid_len);
} else if (ifsta->state != IEEE80211_STA_MLME_IBSS_JOINED) {
int interval = IEEE80211_SCAN_INTERVAL;
}
-int ieee80211_sta_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t len)
+static int ieee80211_sta_config_auth(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_if_sta *ifsta)
{
- struct ieee80211_if_sta *ifsta;
- int res;
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_bss *bss, *selected = NULL;
+ int top_rssi = 0, freq;
- if (len > IEEE80211_MAX_SSID_LEN)
- return -EINVAL;
+ spin_lock_bh(&local->bss_lock);
+ freq = local->oper_channel->center_freq;
+ list_for_each_entry(bss, &local->bss_list, list) {
+ if (!(bss->capability & WLAN_CAPABILITY_ESS))
+ continue;
- ifsta = &sdata->u.sta;
+ if ((ifsta->flags & (IEEE80211_STA_AUTO_SSID_SEL |
+ IEEE80211_STA_AUTO_BSSID_SEL |
+ IEEE80211_STA_AUTO_CHANNEL_SEL)) &&
+ (!!(bss->capability & WLAN_CAPABILITY_PRIVACY) ^
+ !!sdata->default_key))
+ continue;
- 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;
+ if (!(ifsta->flags & IEEE80211_STA_AUTO_CHANNEL_SEL) &&
+ bss->freq != freq)
+ continue;
- 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 (!(ifsta->flags & IEEE80211_STA_AUTO_BSSID_SEL) &&
+ memcmp(bss->bssid, ifsta->bssid, ETH_ALEN))
+ continue;
- if (len)
- ifsta->flags |= IEEE80211_STA_SSID_SET;
- else
- ifsta->flags &= ~IEEE80211_STA_SSID_SET;
+ if (!(ifsta->flags & IEEE80211_STA_AUTO_SSID_SEL) &&
+ !ieee80211_sta_match_ssid(ifsta, bss->ssid, bss->ssid_len))
+ continue;
- 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);
+ if (!selected || top_rssi < bss->signal) {
+ selected = bss;
+ top_rssi = bss->signal;
+ }
}
+ if (selected)
+ atomic_inc(&selected->users);
+ spin_unlock_bh(&local->bss_lock);
- return 0;
-}
+ if (selected) {
+ ieee80211_set_freq(sdata, selected->freq);
+ if (!(ifsta->flags & IEEE80211_STA_SSID_SET))
+ ieee80211_sta_set_ssid(sdata, selected->ssid,
+ selected->ssid_len);
+ ieee80211_sta_set_bssid(sdata, selected->bssid);
+ ieee80211_sta_def_wmm_params(sdata, selected);
+ /* Send out direct probe if no probe resp was received or
+ * the one we have is outdated
+ */
+ if (!selected->last_probe_resp ||
+ time_after(jiffies, selected->last_probe_resp
+ + IEEE80211_SCAN_RESULT_EXPIRE))
+ ifsta->state = IEEE80211_STA_MLME_DIRECT_PROBE;
+ else
+ ifsta->state = IEEE80211_STA_MLME_AUTHENTICATE;
-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;
+ ieee80211_rx_bss_put(local, selected);
+ ieee80211_sta_reset_auth(sdata, ifsta);
+ return 0;
+ } else {
+ if (ifsta->assoc_scan_tries < IEEE80211_ASSOC_SCANS_MAX_TRIES) {
+ ifsta->assoc_scan_tries++;
+ if (ifsta->flags & IEEE80211_STA_AUTO_SSID_SEL)
+ ieee80211_start_scan(sdata, NULL, 0);
+ else
+ ieee80211_start_scan(sdata, ifsta->ssid,
+ ifsta->ssid_len);
+ ifsta->state = IEEE80211_STA_MLME_AUTHENTICATE;
+ set_bit(IEEE80211_STA_REQ_AUTH, &ifsta->request);
+ } else
+ ifsta->state = IEEE80211_STA_MLME_DISABLED;
+ }
+ return -1;
}
-int ieee80211_sta_set_bssid(struct ieee80211_sub_if_data *sdata, u8 *bssid)
+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);
+ struct ieee80211_local *local = sdata->local;
struct ieee80211_if_sta *ifsta;
- int res;
+ struct sk_buff *skb;
- ifsta = &sdata->u.sta;
+ if (!netif_running(sdata->dev))
+ return;
- 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 (local->sw_scanning || local->hw_scanning)
+ return;
- if (is_valid_ether_addr(bssid))
- ifsta->flags |= IEEE80211_STA_BSSID_SET;
- else
- ifsta->flags &= ~IEEE80211_STA_BSSID_SET;
+ if (WARN_ON(sdata->vif.type != NL80211_IFTYPE_STATION &&
+ sdata->vif.type != NL80211_IFTYPE_ADHOC))
+ return;
+ ifsta = &sdata->u.sta;
- return 0;
-}
+ while ((skb = skb_dequeue(&ifsta->skb_queue)))
+ ieee80211_sta_rx_queued_mgmt(sdata, skb);
+ if (ifsta->state != IEEE80211_STA_MLME_DIRECT_PROBE &&
+ ifsta->state != IEEE80211_STA_MLME_AUTHENTICATE &&
+ ifsta->state != IEEE80211_STA_MLME_ASSOCIATE &&
+ test_and_clear_bit(IEEE80211_STA_REQ_SCAN, &ifsta->request)) {
+ ieee80211_start_scan(sdata, ifsta->scan_ssid,
+ ifsta->scan_ssid_len);
+ return;
+ }
-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;
+ if (test_and_clear_bit(IEEE80211_STA_REQ_AUTH, &ifsta->request)) {
+ if (ieee80211_sta_config_auth(sdata, ifsta))
+ return;
+ clear_bit(IEEE80211_STA_REQ_RUN, &ifsta->request);
+ } else if (!test_and_clear_bit(IEEE80211_STA_REQ_RUN, &ifsta->request))
+ return;
- kfree(ifsta->extra_ie);
- if (len == 0) {
- ifsta->extra_ie = NULL;
- ifsta->extra_ie_len = 0;
- return 0;
+ switch (ifsta->state) {
+ case IEEE80211_STA_MLME_DISABLED:
+ break;
+ case IEEE80211_STA_MLME_DIRECT_PROBE:
+ ieee80211_direct_probe(sdata, ifsta);
+ break;
+ case IEEE80211_STA_MLME_AUTHENTICATE:
+ ieee80211_authenticate(sdata, ifsta);
+ break;
+ case IEEE80211_STA_MLME_ASSOCIATE:
+ ieee80211_associate(sdata, ifsta);
+ break;
+ case IEEE80211_STA_MLME_ASSOCIATED:
+ ieee80211_associated(sdata, ifsta);
+ break;
+ case IEEE80211_STA_MLME_IBSS_SEARCH:
+ ieee80211_sta_find_ibss(sdata, ifsta);
+ break;
+ case IEEE80211_STA_MLME_IBSS_JOINED:
+ ieee80211_sta_merge_ibss(sdata, ifsta);
+ break;
+ default:
+ WARN_ON(1);
+ break;
}
- ifsta->extra_ie = kmalloc(len, GFP_KERNEL);
- if (!ifsta->extra_ie) {
- ifsta->extra_ie_len = 0;
- return -ENOMEM;
+
+ if (ieee80211_privacy_mismatch(sdata, ifsta)) {
+ printk(KERN_DEBUG "%s: privacy configuration mismatch and "
+ "mixed-cell disabled - disassociate\n", sdata->dev->name);
+
+ ieee80211_set_disassoc(sdata, ifsta, false, true,
+ WLAN_REASON_UNSPECIFIED);
}
- memcpy(ifsta->extra_ie, ie, len);
- ifsta->extra_ie_len = len;
- return 0;
}
+static void ieee80211_restart_sta_timer(struct ieee80211_sub_if_data *sdata)
+{
+ if (sdata->vif.type == NL80211_IFTYPE_STATION)
+ queue_work(sdata->local->hw.workqueue,
+ &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)
+ 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
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));
+ "entry %pM\n", sdata->dev->name, addr);
}
return NULL;
}
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);
+ printk(KERN_DEBUG "%s: Adding new IBSS station %pM (dev=%s)\n",
+ wiphy_name(local->hw.wiphy), addr, sdata->dev->name);
#endif
sta = sta_info_alloc(sdata, addr, GFP_ATOMIC);
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);
+ sta->sta.supp_rates[band] = supp_rates |
+ ieee80211_mandatory_rates(local, band);
- rate_control_rate_init(sta, local);
+ rate_control_rate_init(sta);
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)
+/* configuration hooks */
+void ieee80211_sta_req_auth(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_if_sta *ifsta)
{
struct ieee80211_local *local = sdata->local;
- struct ieee80211_sta_bss *bss, *selected = NULL;
- int top_rssi = 0, freq;
- spin_lock_bh(&local->sta_bss_lock);
- freq = local->oper_channel->center_freq;
- list_for_each_entry(bss, &local->sta_bss_list, list) {
- if (!(bss->capability & WLAN_CAPABILITY_ESS))
- continue;
+ if (sdata->vif.type != NL80211_IFTYPE_STATION)
+ return;
- if ((ifsta->flags & (IEEE80211_STA_AUTO_SSID_SEL |
- IEEE80211_STA_AUTO_BSSID_SEL |
- IEEE80211_STA_AUTO_CHANNEL_SEL)) &&
- (!!(bss->capability & WLAN_CAPABILITY_PRIVACY) ^
- !!sdata->default_key))
- continue;
+ 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->flags & IEEE80211_STA_AUTO_CHANNEL_SEL) &&
- bss->freq != freq)
- continue;
+ if (ifsta->state == IEEE80211_STA_MLME_ASSOCIATED)
+ ieee80211_set_disassoc(sdata, ifsta, true, true,
+ WLAN_REASON_DEAUTH_LEAVING);
- if (!(ifsta->flags & IEEE80211_STA_AUTO_BSSID_SEL) &&
- memcmp(bss->bssid, ifsta->bssid, ETH_ALEN))
- continue;
+ set_bit(IEEE80211_STA_REQ_AUTH, &ifsta->request);
+ queue_work(local->hw.workqueue, &ifsta->work);
+ }
+}
- if (!(ifsta->flags & IEEE80211_STA_AUTO_SSID_SEL) &&
- !ieee80211_sta_match_ssid(ifsta, bss->ssid, bss->ssid_len))
- continue;
+int ieee80211_sta_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t len)
+{
+ struct ieee80211_if_sta *ifsta;
- if (!selected || top_rssi < bss->signal) {
- selected = bss;
- top_rssi = bss->signal;
- }
+ 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;
}
- if (selected)
- atomic_inc(&selected->users);
- spin_unlock_bh(&local->sta_bss_lock);
- if (selected) {
- ieee80211_set_freq(sdata, selected->freq);
- if (!(ifsta->flags & IEEE80211_STA_SSID_SET))
- ieee80211_sta_set_ssid(sdata, selected->ssid,
- selected->ssid_len);
- ieee80211_sta_set_bssid(sdata, selected->bssid);
- ieee80211_sta_def_wmm_params(sdata, selected);
+ if (len)
+ ifsta->flags |= IEEE80211_STA_SSID_SET;
+ else
+ ifsta->flags &= ~IEEE80211_STA_SSID_SET;
- /* Send out direct probe if no probe resp was received or
- * the one we have is outdated
+ if (sdata->vif.type == NL80211_IFTYPE_ADHOC &&
+ !(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 (!selected->last_probe_resp ||
- time_after(jiffies, selected->last_probe_resp
- + IEEE80211_SCAN_RESULT_EXPIRE))
- ifsta->state = IEEE80211_STA_MLME_DIRECT_PROBE;
- else
- ifsta->state = IEEE80211_STA_MLME_AUTHENTICATE;
+ 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;
+ }
+ }
- ieee80211_rx_bss_put(local, selected);
- ieee80211_sta_reset_auth(sdata, ifsta);
+ 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;
- } else {
- if (ifsta->assoc_scan_tries < IEEE80211_ASSOC_SCANS_MAX_TRIES) {
- ifsta->assoc_scan_tries++;
- if (ifsta->flags & IEEE80211_STA_AUTO_SSID_SEL)
- ieee80211_sta_start_scan(sdata, NULL, 0);
- else
- ieee80211_sta_start_scan(sdata, ifsta->ssid,
- ifsta->ssid_len);
- ifsta->state = IEEE80211_STA_MLME_AUTHENTICATE;
- set_bit(IEEE80211_STA_REQ_AUTH, &ifsta->request);
- } else
- ifsta->state = IEEE80211_STA_MLME_DISABLED;
}
- return -1;
+ 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)
+ if (sdata->vif.type != NL80211_IFTYPE_STATION &&
+ sdata->vif.type != NL80211_IFTYPE_ADHOC)
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)
+ if (sdata->vif.type != NL80211_IFTYPE_STATION)
return -EINVAL;
if (!(ifsta->flags & IEEE80211_STA_ASSOCIATED))
return 0;
}
-void ieee80211_notify_mac(struct ieee80211_hw *hw,
- enum ieee80211_notification_types notif_type)
+/* scan finished notification */
+void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local)
{
- 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;
+ struct ieee80211_sub_if_data *sdata = local->scan_sdata;
+ struct ieee80211_if_sta *ifsta;
- ieee80211_sta_req_auth(sdata, &sdata->u.sta);
- }
- rcu_read_unlock();
- break;
+ if (sdata && sdata->vif.type == NL80211_IFTYPE_ADHOC) {
+ ifsta = &sdata->u.sta;
+ if (!(ifsta->flags & IEEE80211_STA_BSSID_SET) ||
+ (!(ifsta->state == IEEE80211_STA_MLME_IBSS_JOINED) &&
+ !ieee80211_sta_active_ibss(sdata)))
+ ieee80211_sta_find_ibss(sdata, ifsta);
}
+
+ /* Restart STA timers */
+ rcu_read_lock();
+ list_for_each_entry_rcu(sdata, &local->interfaces, list)
+ ieee80211_restart_sta_timer(sdata);
+ rcu_read_unlock();
}
-EXPORT_SYMBOL(ieee80211_notify_mac);
-void ieee80211_sta_work(struct work_struct *work)
+void ieee80211_dynamic_ps_disable_work(struct work_struct *work)
{
- struct ieee80211_sub_if_data *sdata =
- container_of(work, struct ieee80211_sub_if_data, u.sta.work);
- struct ieee80211_local *local = sdata->local;
- struct ieee80211_if_sta *ifsta;
- struct sk_buff *skb;
-
- if (!netif_running(sdata->dev))
- return;
+ struct ieee80211_local *local =
+ container_of(work, struct ieee80211_local,
+ dynamic_ps_disable_work);
- if (local->sta_sw_scanning || local->sta_hw_scanning)
- return;
-
- if (WARN_ON(sdata->vif.type != IEEE80211_IF_TYPE_STA &&
- sdata->vif.type != IEEE80211_IF_TYPE_IBSS &&
- sdata->vif.type != IEEE80211_IF_TYPE_MESH_POINT))
- return;
- ifsta = &sdata->u.sta;
+ if (local->hw.conf.flags & IEEE80211_CONF_PS) {
+ local->hw.conf.flags &= ~IEEE80211_CONF_PS;
+ ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
+ }
- while ((skb = skb_dequeue(&ifsta->skb_queue)))
- ieee80211_sta_rx_queued_mgmt(sdata, skb);
+ ieee80211_wake_queues_by_reason(&local->hw,
+ IEEE80211_QUEUE_STOP_REASON_PS);
+}
-#ifdef CONFIG_MAC80211_MESH
- if (ifsta->preq_queue_len &&
- time_after(jiffies,
- ifsta->last_preq + msecs_to_jiffies(ifsta->mshcfg.dot11MeshHWMPpreqMinInterval)))
- mesh_path_start_discovery(sdata);
-#endif
+void ieee80211_dynamic_ps_enable_work(struct work_struct *work)
+{
+ struct ieee80211_local *local =
+ container_of(work, struct ieee80211_local,
+ dynamic_ps_enable_work);
- if (ifsta->state != IEEE80211_STA_MLME_DIRECT_PROBE &&
- ifsta->state != IEEE80211_STA_MLME_AUTHENTICATE &&
- ifsta->state != IEEE80211_STA_MLME_ASSOCIATE &&
- test_and_clear_bit(IEEE80211_STA_REQ_SCAN, &ifsta->request)) {
- ieee80211_sta_start_scan(sdata, ifsta->scan_ssid, ifsta->scan_ssid_len);
+ if (local->hw.conf.flags & IEEE80211_CONF_PS)
return;
- }
- if (test_and_clear_bit(IEEE80211_STA_REQ_AUTH, &ifsta->request)) {
- if (ieee80211_sta_config_auth(sdata, ifsta))
- return;
- clear_bit(IEEE80211_STA_REQ_RUN, &ifsta->request);
- } else if (!test_and_clear_bit(IEEE80211_STA_REQ_RUN, &ifsta->request))
- return;
+ local->hw.conf.flags |= IEEE80211_CONF_PS;
- switch (ifsta->state) {
- case IEEE80211_STA_MLME_DISABLED:
- break;
- case IEEE80211_STA_MLME_DIRECT_PROBE:
- ieee80211_direct_probe(sdata, ifsta);
- break;
- case IEEE80211_STA_MLME_AUTHENTICATE:
- ieee80211_authenticate(sdata, ifsta);
- break;
- case IEEE80211_STA_MLME_ASSOCIATE:
- ieee80211_associate(sdata, ifsta);
- break;
- case IEEE80211_STA_MLME_ASSOCIATED:
- ieee80211_associated(sdata, ifsta);
- break;
- case IEEE80211_STA_MLME_IBSS_SEARCH:
- ieee80211_sta_find_ibss(sdata, ifsta);
- break;
- case IEEE80211_STA_MLME_IBSS_JOINED:
- ieee80211_sta_merge_ibss(sdata, ifsta);
- break;
-#ifdef CONFIG_MAC80211_MESH
- case IEEE80211_STA_MLME_MESH_UP:
- ieee80211_mesh_housekeeping(sdata, ifsta);
- break;
-#endif
- default:
- WARN_ON(1);
- break;
- }
-
- if (ieee80211_privacy_mismatch(sdata, ifsta)) {
- printk(KERN_DEBUG "%s: privacy configuration mismatch and "
- "mixed-cell disabled - disassociate\n", sdata->dev->name);
-
- ieee80211_set_disassoc(sdata, ifsta, false, true,
- WLAN_REASON_UNSPECIFIED);
- }
+ ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
}
-void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local)
+void ieee80211_dynamic_ps_timer(unsigned long data)
{
- struct ieee80211_sub_if_data *sdata = local->scan_sdata;
- struct ieee80211_if_sta *ifsta;
+ struct ieee80211_local *local = (void *) data;
- if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
- ifsta = &sdata->u.sta;
- if (!(ifsta->flags & IEEE80211_STA_BSSID_SET) ||
- (!(ifsta->state == IEEE80211_STA_MLME_IBSS_JOINED) &&
- !ieee80211_sta_active_ibss(sdata)))
- ieee80211_sta_find_ibss(sdata, ifsta);
- }
+ queue_work(local->hw.workqueue, &local->dynamic_ps_enable_work);
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff