static struct ieee80211_sta_bss *
ieee80211_rx_bss_get(struct net_device *dev, u8 *bssid, int freq,
u8 *ssid, u8 ssid_len);
-static void ieee80211_rx_bss_put(struct net_device *dev,
+static void ieee80211_rx_bss_put(struct ieee80211_local *local,
struct ieee80211_sta_bss *bss);
static int ieee80211_sta_find_ibss(struct net_device *dev,
struct ieee80211_if_sta *ifsta);
params.aifs = pos[0] & 0x0f;
params.cw_max = ecw2cw((pos[1] & 0xf0) >> 4);
params.cw_min = ecw2cw(pos[1] & 0x0f);
- params.txop = pos[2] | (pos[3] << 8);
+ params.txop = get_unaligned_le16(pos + 2);
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
printk(KERN_DEBUG "%s: WMM queue=%d aci=%d acm=%d aifs=%d "
"cWmin=%d cWmax=%d txop=%d\n",
bool use_short_preamble)
{
struct ieee80211_bss_conf *bss_conf = &sdata->bss_conf;
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
struct ieee80211_if_sta *ifsta = &sdata->u.sta;
DECLARE_MAC_BUF(mac);
+#endif
u32 changed = 0;
if (use_protection != bss_conf->use_cts_prot) {
changed |= ieee80211_handle_bss_capability(sdata, bss);
- ieee80211_rx_bss_put(dev, bss);
+ ieee80211_rx_bss_put(local, bss);
}
if (conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE) {
sdata->bss_conf.ht_bss_conf = &conf->ht_bss_conf;
}
- netif_carrier_on(dev);
ifsta->flags |= IEEE80211_STA_PREV_BSSID_SET;
memcpy(ifsta->prev_bssid, sdata->u.sta.bssid, ETH_ALEN);
memcpy(wrqu.ap_addr.sa_data, sdata->u.sta.bssid, ETH_ALEN);
ieee80211_sta_send_associnfo(dev, ifsta);
} else {
+ netif_carrier_off(dev);
ieee80211_sta_tear_down_BA_sessions(dev, ifsta->bssid);
ifsta->flags &= ~IEEE80211_STA_ASSOCIATED;
- netif_carrier_off(dev);
- ieee80211_reset_erp_info(dev);
+ changed |= ieee80211_reset_erp_info(dev);
sdata->bss_conf.assoc_ht = 0;
sdata->bss_conf.ht_conf = NULL;
sdata->bss_conf.assoc = assoc;
ieee80211_bss_info_change_notify(sdata, changed);
+
+ if (assoc)
+ netif_carrier_on(dev);
+
wrqu.ap_addr.sa_family = ARPHRD_ETHER;
wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
}
(local->hw.flags & IEEE80211_HW_SPECTRUM_MGMT))
capab |= WLAN_CAPABILITY_SPECTRUM_MGMT;
- ieee80211_rx_bss_put(dev, bss);
+ ieee80211_rx_bss_put(local, bss);
} else {
rates = ~0;
rates_len = sband->n_bitrates;
wep_privacy = !!ieee80211_sta_wep_configured(dev);
privacy_invoked = !!(ifsta->flags & IEEE80211_STA_PRIVACY_INVOKED);
- ieee80211_rx_bss_put(dev, bss);
+ ieee80211_rx_bss_put(local, bss);
if ((bss_privacy == wep_privacy) || (bss_privacy == privacy_invoked))
return 0;
ieee80211_sta_tx(dev, skb, 0);
}
+void ieee80211_send_bar(struct net_device *dev, u8 *ra, u16 tid, u16 ssn)
+{
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct sk_buff *skb;
+ struct ieee80211_bar *bar;
+ u16 bar_control = 0;
+
+ skb = dev_alloc_skb(sizeof(*bar) + local->hw.extra_tx_headroom);
+ if (!skb) {
+ printk(KERN_ERR "%s: failed to allocate buffer for "
+ "bar frame\n", dev->name);
+ return;
+ }
+ skb_reserve(skb, local->hw.extra_tx_headroom);
+ bar = (struct ieee80211_bar *)skb_put(skb, sizeof(*bar));
+ memset(bar, 0, sizeof(*bar));
+ bar->frame_control = IEEE80211_FC(IEEE80211_FTYPE_CTL,
+ IEEE80211_STYPE_BACK_REQ);
+ memcpy(bar->ra, ra, ETH_ALEN);
+ memcpy(bar->ta, dev->dev_addr, ETH_ALEN);
+ bar_control |= (u16)IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL;
+ bar_control |= (u16)IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA;
+ bar_control |= (u16)(tid << 12);
+ bar->control = cpu_to_le16(bar_control);
+ bar->start_seq_num = cpu_to_le16(ssn);
+
+ ieee80211_sta_tx(dev, skb, 0);
+}
+
void ieee80211_sta_stop_rx_ba_session(struct net_device *dev, u8 *ra, u16 tid,
u16 initiator, u16 reason)
{
sta->last_signal = bss->signal;
sta->last_qual = bss->qual;
sta->last_noise = bss->noise;
- ieee80211_rx_bss_put(dev, bss);
+ ieee80211_rx_bss_put(local, bss);
}
err = sta_info_insert(sta);
/* Caller must hold local->sta_bss_lock */
-static void __ieee80211_rx_bss_hash_del(struct net_device *dev,
+static void __ieee80211_rx_bss_hash_del(struct ieee80211_local *local,
struct ieee80211_sta_bss *bss)
{
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
struct ieee80211_sta_bss *b, *prev = NULL;
b = local->sta_bss_hash[STA_HASH(bss->bssid)];
while (b) {
}
-static void ieee80211_rx_bss_put(struct net_device *dev,
+static void ieee80211_rx_bss_put(struct ieee80211_local *local,
struct ieee80211_sta_bss *bss)
{
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-
local_bh_disable();
if (!atomic_dec_and_lock(&bss->users, &local->sta_bss_lock)) {
local_bh_enable();
return;
}
- __ieee80211_rx_bss_hash_del(dev, bss);
+ __ieee80211_rx_bss_hash_del(local, bss);
list_del(&bss->list);
spin_unlock_bh(&local->sta_bss_lock);
ieee80211_rx_bss_free(bss);
}
-void ieee80211_rx_bss_list_init(struct net_device *dev)
+void ieee80211_rx_bss_list_init(struct ieee80211_local *local)
{
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
spin_lock_init(&local->sta_bss_lock);
INIT_LIST_HEAD(&local->sta_bss_list);
}
-void ieee80211_rx_bss_list_deinit(struct net_device *dev)
+void ieee80211_rx_bss_list_deinit(struct ieee80211_local *local)
{
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
struct ieee80211_sta_bss *bss, *tmp;
list_for_each_entry_safe(bss, tmp, &local->sta_bss_list, list)
- ieee80211_rx_bss_put(dev, bss);
+ ieee80211_rx_bss_put(local, bss);
}
int res, rates, i, j;
struct sk_buff *skb;
struct ieee80211_mgmt *mgmt;
- struct ieee80211_tx_info *control;
- struct rate_selection ratesel;
u8 *pos;
struct ieee80211_sub_if_data *sdata;
struct ieee80211_supported_band *sband;
local->ops->reset_tsf(local_to_hw(local));
}
memcpy(ifsta->bssid, bss->bssid, ETH_ALEN);
- res = ieee80211_if_config(dev);
+ res = ieee80211_if_config(sdata, IEEE80211_IFCC_BSSID);
if (res)
return res;
if (res)
return res;
- /* Set beacon template */
+ /* Build IBSS probe response */
skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400);
- do {
- if (!skb)
- break;
-
+ 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 = IEEE80211_FC(IEEE80211_FTYPE_MGMT,
- IEEE80211_STYPE_BEACON);
+ IEEE80211_STYPE_PROBE_RESP);
memset(mgmt->da, 0xff, ETH_ALEN);
memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN);
memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
memcpy(pos, &bss->supp_rates[8], rates);
}
- control = IEEE80211_SKB_CB(skb);
-
- rate_control_get_rate(dev, sband, skb, &ratesel);
- if (ratesel.rate_idx < 0) {
- printk(KERN_DEBUG "%s: Failed to determine TX rate "
- "for IBSS beacon\n", dev->name);
- break;
- }
- control->control.vif = &sdata->vif;
- control->tx_rate_idx = ratesel.rate_idx;
- if (sdata->bss_conf.use_short_preamble &&
- sband->bitrates[ratesel.rate_idx].flags & IEEE80211_RATE_SHORT_PREAMBLE)
- control->flags |= IEEE80211_TX_CTL_SHORT_PREAMBLE;
- control->antenna_sel_tx = local->hw.conf.antenna_sel_tx;
- control->flags |= IEEE80211_TX_CTL_NO_ACK;
- control->flags |= IEEE80211_TX_CTL_DO_NOT_ENCRYPT;
- control->control.retry_limit = 1;
-
- ifsta->probe_resp = skb_copy(skb, GFP_ATOMIC);
- if (ifsta->probe_resp) {
- mgmt = (struct ieee80211_mgmt *)
- ifsta->probe_resp->data;
- mgmt->frame_control =
- IEEE80211_FC(IEEE80211_FTYPE_MGMT,
- IEEE80211_STYPE_PROBE_RESP);
- } else {
- printk(KERN_DEBUG "%s: Could not allocate ProbeResp "
- "template for IBSS\n", dev->name);
- }
-
- if (local->ops->beacon_update &&
- local->ops->beacon_update(local_to_hw(local), skb) == 0) {
- printk(KERN_DEBUG "%s: Configured IBSS beacon "
- "template\n", dev->name);
- skb = NULL;
- }
-
- rates = 0;
- sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
- for (i = 0; i < bss->supp_rates_len; i++) {
- int bitrate = (bss->supp_rates[i] & 0x7f) * 5;
- for (j = 0; j < sband->n_bitrates; j++)
- if (sband->bitrates[j].bitrate == bitrate)
- rates |= BIT(j);
- }
- ifsta->supp_rates_bits[local->hw.conf.channel->band] = rates;
+ ifsta->probe_resp = skb;
- ieee80211_sta_def_wmm_params(dev, bss, 1);
- } while (0);
+ ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON);
+ }
- if (skb) {
- printk(KERN_DEBUG "%s: Failed to configure IBSS beacon "
- "template\n", dev->name);
- dev_kfree_skb(skb);
+ rates = 0;
+ sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
+ for (i = 0; i < bss->supp_rates_len; i++) {
+ int bitrate = (bss->supp_rates[i] & 0x7f) * 5;
+ for (j = 0; j < sband->n_bitrates; j++)
+ if (sband->bitrates[j].bitrate == bitrate)
+ rates |= BIT(j);
}
+ ifsta->supp_rates_bits[local->hw.conf.channel->band] = rates;
+
+ ieee80211_sta_def_wmm_params(dev, bss, 1);
ifsta->state = IEEE80211_IBSS_JOINED;
mod_timer(&ifsta->timer, jiffies + IEEE80211_IBSS_MERGE_INTERVAL);
*/
if (sdata->vif.type != IEEE80211_IF_TYPE_IBSS &&
bss->probe_resp && beacon) {
- ieee80211_rx_bss_put(dev, bss);
+ ieee80211_rx_bss_put(local, bss);
return;
}
}
}
- ieee80211_rx_bss_put(dev, bss);
+ ieee80211_rx_bss_put(local, bss);
}
free_plinks = mesh_plink_availables(sdata);
if (free_plinks != sdata->u.sta.accepting_plinks)
- ieee80211_if_config_beacon(dev);
+ ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON);
mod_timer(&ifsta->timer, jiffies +
IEEE80211_MESH_HOUSEKEEPING_INTERVAL);
selected->ssid_len);
ieee80211_sta_set_bssid(dev, selected->bssid);
ieee80211_sta_def_wmm_params(dev, selected, 0);
- ieee80211_rx_bss_put(dev, selected);
+ ieee80211_rx_bss_put(local, selected);
ifsta->state = IEEE80211_AUTHENTICATE;
ieee80211_sta_reset_auth(dev, ifsta);
return 0;
}
ret = ieee80211_sta_join_ibss(dev, ifsta, bss);
- ieee80211_rx_bss_put(dev, bss);
+ ieee80211_rx_bss_put(local, bss);
return ret;
}
spin_unlock_bh(&local->sta_bss_lock);
#ifdef CONFIG_MAC80211_IBSS_DEBUG
- printk(KERN_DEBUG " sta_find_ibss: selected %s current "
- "%s\n", print_mac(mac, bssid), print_mac(mac2, ifsta->bssid));
+ if (found)
+ printk(KERN_DEBUG " sta_find_ibss: selected %s current "
+ "%s\n", print_mac(mac, bssid),
+ print_mac(mac2, ifsta->bssid));
#endif /* CONFIG_MAC80211_IBSS_DEBUG */
if (found && memcmp(ifsta->bssid, bssid, ETH_ALEN) != 0 &&
(bss = ieee80211_rx_bss_get(dev, bssid,
" based on configured SSID\n",
dev->name, print_mac(mac, bssid));
ret = ieee80211_sta_join_ibss(dev, ifsta, bss);
- ieee80211_rx_bss_put(dev, bss);
+ ieee80211_rx_bss_put(local, bss);
return ret;
}
#ifdef CONFIG_MAC80211_IBSS_DEBUG
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
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)
+ 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;
- memcpy(ifsta->ssid, ssid, len);
- memset(ifsta->ssid + len, 0, IEEE80211_MAX_SSID_LEN - len);
- ifsta->ssid_len = len;
+
+ 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", 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_IBSS_SEARCH;
return ieee80211_sta_find_ibss(dev, ifsta);
}
+
return 0;
}
if (memcmp(ifsta->bssid, bssid, ETH_ALEN) != 0) {
memcpy(ifsta->bssid, bssid, ETH_ALEN);
- res = ieee80211_if_config(dev);
+ 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", dev->name);
netif_tx_lock_bh(local->mdev);
+ netif_addr_lock(local->mdev);
local->filter_flags &= ~FIF_BCN_PRBRESP_PROMISC;
local->ops->configure_filter(local_to_hw(local),
FIF_BCN_PRBRESP_PROMISC,
local->mdev->mc_count,
local->mdev->mc_list);
+ netif_addr_unlock(local->mdev);
netif_tx_unlock_bh(local->mdev);
rcu_read_lock();
list_for_each_entry_rcu(sdata, &local->interfaces, list) {
-
- /* No need to wake the master device. */
- if (sdata->dev == local->mdev)
- continue;
-
/* Tell AP we're back */
if (sdata->vif.type == IEEE80211_IF_TYPE_STA &&
sdata->u.sta.flags & IEEE80211_STA_ASSOCIATED)
rcu_read_lock();
list_for_each_entry_rcu(sdata, &local->interfaces, list) {
-
- /* Don't stop the master interface, otherwise we can't transmit
- * probes! */
- if (sdata->dev == local->mdev)
- continue;
-
netif_stop_queue(sdata->dev);
if (sdata->vif.type == IEEE80211_IF_TYPE_STA &&
(sdata->u.sta.flags & IEEE80211_STA_ASSOCIATED))
local->scan_band = IEEE80211_BAND_2GHZ;
local->scan_dev = dev;
- netif_tx_lock_bh(local->mdev);
+ netif_addr_lock_bh(local->mdev);
local->filter_flags |= FIF_BCN_PRBRESP_PROMISC;
local->ops->configure_filter(local_to_hw(local),
FIF_BCN_PRBRESP_PROMISC,
&local->filter_flags,
local->mdev->mc_count,
local->mdev->mc_list);
- netif_tx_unlock_bh(local->mdev);
+ netif_addr_unlock_bh(local->mdev);
/* TODO: start scan as soon as all nullfunc frames are ACKed */
queue_delayed_work(local->hw.workqueue, &local->scan_work,
return NULL;
}
- if (!ieee80211_bssid_match(bssid, sdata->u.sta.bssid))
+ if (compare_ether_addr(bssid, sdata->u.sta.bssid))
return NULL;
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
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;
- if (sdata->vif.type == IEEE80211_IF_TYPE_STA) {
- ieee80211_sta_req_auth(sdata->dev,
- &sdata->u.sta);
- }
-
+ ieee80211_sta_req_auth(sdata->dev, &sdata->u.sta);
}
rcu_read_unlock();
break;
projects / linux-2.6-omap-h63xx.git / blobdiff