u8 *ext_supp_rates;
u8 *wmm_info;
u8 *wmm_param;
-
+ u8 *ht_cap_elem;
+ u8 *ht_info_elem;
/* length of them, respectively */
u8 ssid_len;
u8 supp_rates_len;
u8 ext_supp_rates_len;
u8 wmm_info_len;
u8 wmm_param_len;
+ u8 ht_cap_elem_len;
+ u8 ht_info_elem_len;
};
static void ieee802_11_parse_elems(u8 *start, size_t len,
elems->ext_supp_rates = pos;
elems->ext_supp_rates_len = elen;
break;
+ case WLAN_EID_HT_CAPABILITY:
+ elems->ht_cap_elem = pos;
+ elems->ht_cap_elem_len = elen;
+ break;
+ case WLAN_EID_HT_EXTRA_INFO:
+ elems->ht_info_elem = pos;
+ elems->ht_info_elem_len = elen;
+ break;
default:
break;
}
ieee80211_erp_info_change_notify(dev, changes);
}
+int ieee80211_ht_cap_ie_to_ht_info(struct ieee80211_ht_cap *ht_cap_ie,
+ struct ieee80211_ht_info *ht_info)
+{
+
+ if (ht_info == NULL)
+ return -EINVAL;
+
+ memset(ht_info, 0, sizeof(*ht_info));
+
+ if (ht_cap_ie) {
+ u8 ampdu_info = ht_cap_ie->ampdu_params_info;
+
+ ht_info->ht_supported = 1;
+ ht_info->cap = le16_to_cpu(ht_cap_ie->cap_info);
+ ht_info->ampdu_factor =
+ ampdu_info & IEEE80211_HT_CAP_AMPDU_FACTOR;
+ ht_info->ampdu_density =
+ (ampdu_info & IEEE80211_HT_CAP_AMPDU_DENSITY) >> 2;
+ memcpy(ht_info->supp_mcs_set, ht_cap_ie->supp_mcs_set, 16);
+ } else
+ ht_info->ht_supported = 0;
+
+ return 0;
+}
+
+int ieee80211_ht_addt_info_ie_to_ht_bss_info(
+ struct ieee80211_ht_addt_info *ht_add_info_ie,
+ struct ieee80211_ht_bss_info *bss_info)
+{
+ if (bss_info == NULL)
+ return -EINVAL;
+
+ memset(bss_info, 0, sizeof(*bss_info));
+
+ if (ht_add_info_ie) {
+ u16 op_mode;
+ op_mode = le16_to_cpu(ht_add_info_ie->operation_mode);
+
+ bss_info->primary_channel = ht_add_info_ie->control_chan;
+ bss_info->bss_cap = ht_add_info_ie->ht_param;
+ bss_info->bss_op_mode = (u8)(op_mode & 0xff);
+ }
+
+ return 0;
+}
static void ieee80211_sta_send_associnfo(struct net_device *dev,
struct ieee80211_if_sta *ifsta)
*pos++ = 1; /* WME ver */
*pos++ = 0;
}
+ /* wmm support is a must to HT */
+ if (wmm && mode->ht_info.ht_supported) {
+ __le16 tmp = cpu_to_le16(mode->ht_info.cap);
+ pos = skb_put(skb, sizeof(struct ieee80211_ht_cap)+2);
+ *pos++ = WLAN_EID_HT_CAPABILITY;
+ *pos++ = sizeof(struct ieee80211_ht_cap);
+ memset(pos, 0, sizeof(struct ieee80211_ht_cap));
+ memcpy(pos, &tmp, sizeof(u16));
+ pos += sizeof(u16);
+ *pos++ = (mode->ht_info.ampdu_factor |
+ (mode->ht_info.ampdu_density << 2));
+ memcpy(pos, mode->ht_info.supp_mcs_set, 16);
+ }
kfree(ifsta->assocreq_ies);
ifsta->assocreq_ies_len = (skb->data + skb->len) - ies;
sta_info_put(sta);
}
if (disassoc) {
- union iwreq_data wrqu;
- memset(wrqu.ap_addr.sa_data, 0, ETH_ALEN);
- wrqu.ap_addr.sa_family = ARPHRD_ETHER;
- wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
- mod_timer(&ifsta->timer, jiffies +
- IEEE80211_MONITORING_INTERVAL + 30 * HZ);
+ ifsta->state = IEEE80211_DISABLED;
+ ieee80211_set_associated(dev, ifsta, 0);
} else {
mod_timer(&ifsta->timer, jiffies +
IEEE80211_MONITORING_INTERVAL);
kfree(bss->wpa_ie);
kfree(bss->rsn_ie);
kfree(bss->wmm_ie);
+ kfree(bss->ht_ie);
kfree(bss);
}
u32 supp_rates, prev_rates;
int i, j;
- mode = local->sta_scanning ?
+ mode = local->sta_sw_scanning ?
local->scan_hw_mode : local->oper_hw_mode;
+
+ if (local->sta_hw_scanning) {
+ /* search for the correct mode matches the beacon */
+ list_for_each_entry(mode, &local->modes_list, list)
+ if (mode->mode == rx_status->phymode)
+ break;
+
+ if (mode == NULL)
+ mode = local->oper_hw_mode;
+ }
rates = mode->rates;
num_rates = mode->num_rates;
bss->wmm_ie = NULL;
bss->wmm_ie_len = 0;
}
-
+ if (elems.ht_cap_elem &&
+ (!bss->ht_ie || bss->ht_ie_len != elems.ht_cap_elem_len ||
+ memcmp(bss->ht_ie, elems.ht_cap_elem, elems.ht_cap_elem_len))) {
+ kfree(bss->ht_ie);
+ bss->ht_ie = kmalloc(elems.ht_cap_elem_len + 2, GFP_ATOMIC);
+ if (bss->ht_ie) {
+ memcpy(bss->ht_ie, elems.ht_cap_elem - 2,
+ elems.ht_cap_elem_len + 2);
+ bss->ht_ie_len = elems.ht_cap_elem_len + 2;
+ } else
+ bss->ht_ie_len = 0;
+ } else if (!elems.ht_cap_elem && bss->ht_ie) {
+ kfree(bss->ht_ie);
+ bss->ht_ie = NULL;
+ bss->ht_ie_len = 0;
+ }
bss->hw_mode = rx_status->phymode;
bss->freq = rx_status->freq;
}
-void ieee80211_sta_rx_scan(struct net_device *dev, struct sk_buff *skb,
- struct ieee80211_rx_status *rx_status)
+ieee80211_txrx_result
+ieee80211_sta_rx_scan(struct net_device *dev, struct sk_buff *skb,
+ struct ieee80211_rx_status *rx_status)
{
struct ieee80211_mgmt *mgmt;
u16 fc;
- if (skb->len < 24) {
- dev_kfree_skb(skb);
- return;
- }
+ if (skb->len < 2)
+ return TXRX_DROP;
mgmt = (struct ieee80211_mgmt *) skb->data;
fc = le16_to_cpu(mgmt->frame_control);
+ if ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_CTL)
+ return TXRX_CONTINUE;
+
+ if (skb->len < 24)
+ return TXRX_DROP;
+
if ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT) {
if ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_PROBE_RESP) {
ieee80211_rx_mgmt_probe_resp(dev, mgmt,
skb->len, rx_status);
+ dev_kfree_skb(skb);
+ return TXRX_QUEUED;
} else if ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_BEACON) {
ieee80211_rx_mgmt_beacon(dev, mgmt, skb->len,
rx_status);
+ dev_kfree_skb(skb);
+ return TXRX_QUEUED;
}
}
-
- dev_kfree_skb(skb);
+ return TXRX_CONTINUE;
}
if (!netif_running(dev))
return;
- if (local->sta_scanning)
+ if (local->sta_sw_scanning || local->sta_hw_scanning)
return;
if (sdata->type != IEEE80211_IF_TYPE_STA &&
if (ifsta->state != IEEE80211_AUTHENTICATE &&
ifsta->state != IEEE80211_ASSOCIATE &&
test_and_clear_bit(IEEE80211_STA_REQ_SCAN, &ifsta->request)) {
- ieee80211_sta_start_scan(dev, NULL, 0);
+ if (ifsta->scan_ssid_len)
+ ieee80211_sta_start_scan(dev, ifsta->scan_ssid, ifsta->scan_ssid_len);
+ else
+ ieee80211_sta_start_scan(dev, NULL, 0);
return;
}
union iwreq_data wrqu;
local->last_scan_completed = jiffies;
- wmb();
- local->sta_scanning = 0;
+ memset(&wrqu, 0, sizeof(wrqu));
+ wireless_send_event(dev, SIOCGIWSCAN, &wrqu, NULL);
+
+ if (local->sta_hw_scanning) {
+ local->sta_hw_scanning = 0;
+ goto done;
+ }
+ local->sta_sw_scanning = 0;
if (ieee80211_hw_config(local))
- printk(KERN_DEBUG "%s: failed to restore operational"
+ printk(KERN_DEBUG "%s: failed to restore operational "
"channel after scan\n", dev->name);
netif_tx_unlock_bh(local->mdev);
- memset(&wrqu, 0, sizeof(wrqu));
- wireless_send_event(dev, SIOCGIWSCAN, &wrqu, NULL);
-
rcu_read_lock();
list_for_each_entry_rcu(sdata, &local->interfaces, list) {
}
rcu_read_unlock();
+done:
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
if (sdata->type == IEEE80211_IF_TYPE_IBSS) {
struct ieee80211_if_sta *ifsta = &sdata->u.sta;
int skip;
unsigned long next_delay = 0;
- if (!local->sta_scanning)
+ if (!local->sta_sw_scanning)
return;
switch (local->scan_state) {
break;
}
- if (local->sta_scanning)
+ if (local->sta_sw_scanning)
queue_delayed_work(local->hw.workqueue, &local->scan_work,
next_delay);
}
* ResultCode: SUCCESS, INVALID_PARAMETERS
*/
- if (local->sta_scanning) {
+ if (local->sta_sw_scanning || local->sta_hw_scanning) {
if (local->scan_dev == dev)
return 0;
return -EBUSY;
if (local->ops->hw_scan) {
int rc = local->ops->hw_scan(local_to_hw(local),
- ssid, ssid_len);
+ ssid, ssid_len);
if (!rc) {
- local->sta_scanning = 1;
+ local->sta_hw_scanning = 1;
local->scan_dev = dev;
}
return rc;
}
- local->sta_scanning = 1;
+ local->sta_sw_scanning = 1;
rcu_read_lock();
list_for_each_entry_rcu(sdata, &local->interfaces, list) {
if (sdata->type != IEEE80211_IF_TYPE_STA)
return ieee80211_sta_start_scan(dev, ssid, ssid_len);
- if (local->sta_scanning) {
+ if (local->sta_sw_scanning || local->sta_hw_scanning) {
if (local->scan_dev == dev)
return 0;
return -EBUSY;
}
+ ifsta->scan_ssid_len = ssid_len;
+ if (ssid_len)
+ memcpy(ifsta->scan_ssid, ssid, ssid_len);
set_bit(IEEE80211_STA_REQ_SCAN, &ifsta->request);
queue_work(local->hw.workqueue, &ifsta->work);
return 0;
if (!(local->enabled_modes & (1 << bss->hw_mode)))
return current_ev;
- if (local->scan_flags & IEEE80211_SCAN_WPA_ONLY &&
- !bss->wpa_ie && !bss->rsn_ie)
- return current_ev;
-
- if (local->scan_flags & IEEE80211_SCAN_MATCH_SSID &&
- (local->scan_ssid_len != bss->ssid_len ||
- memcmp(local->scan_ssid, bss->ssid, bss->ssid_len) != 0))
- return current_ev;
-
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = SIOCGIWAP;
iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
do {
char *buf;
- if (!(local->scan_flags & IEEE80211_SCAN_EXTRA_INFO))
- break;
-
buf = kmalloc(100, GFP_ATOMIC);
if (!buf)
break;
projects / linux-2.6 / blobdiff