if (status->flag & RX_FLAG_TSFT)
len += 8;
- if (local->hw.flags & IEEE80211_HW_SIGNAL_DB ||
- local->hw.flags & IEEE80211_HW_SIGNAL_DBM)
+ if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM)
len += 1;
if (local->hw.flags & IEEE80211_HW_NOISE_DBM)
len += 1;
*/
*pos = 0;
} else {
- rthdr->it_present |= (1 << IEEE80211_RADIOTAP_RATE);
+ rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_RATE);
*pos = rate->bitrate / 5;
}
pos++;
*pos = status->antenna;
pos++;
- /* IEEE80211_RADIOTAP_DB_ANTSIGNAL */
- if (local->hw.flags & IEEE80211_HW_SIGNAL_DB) {
- *pos = status->signal;
- rthdr->it_present |=
- cpu_to_le32(1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL);
- pos++;
- }
-
/* IEEE80211_RADIOTAP_DB_ANTNOISE is not used */
/* IEEE80211_RADIOTAP_RX_FLAGS */
return result;
}
+static ieee80211_rx_result debug_noinline
+ieee80211_rx_h_check_more_data(struct ieee80211_rx_data *rx)
+{
+ struct ieee80211_local *local;
+ struct ieee80211_hdr *hdr;
+ struct sk_buff *skb;
+
+ local = rx->local;
+ skb = rx->skb;
+ hdr = (struct ieee80211_hdr *) skb->data;
+
+ if (!local->pspolling)
+ return RX_CONTINUE;
+
+ if (!ieee80211_has_fromds(hdr->frame_control))
+ /* this is not from AP */
+ return RX_CONTINUE;
+
+ if (!ieee80211_is_data(hdr->frame_control))
+ return RX_CONTINUE;
+
+ if (!ieee80211_has_moredata(hdr->frame_control)) {
+ /* AP has no more frames buffered for us */
+ local->pspolling = false;
+ return RX_CONTINUE;
+ }
+
+ /* more data bit is set, let's request a new frame from the AP */
+ ieee80211_send_pspoll(local, rx->sdata);
+
+ return RX_CONTINUE;
+}
+
static void ap_sta_ps_start(struct sta_info *sta)
{
struct ieee80211_sub_if_data *sdata = sta->sdata;
switch (hdr->frame_control &
cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) {
- case __constant_cpu_to_le16(IEEE80211_FCTL_TODS):
+ case cpu_to_le16(IEEE80211_FCTL_TODS):
if (unlikely(sdata->vif.type != NL80211_IFTYPE_AP &&
sdata->vif.type != NL80211_IFTYPE_AP_VLAN))
return -1;
break;
- case __constant_cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS):
+ case cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS):
if (unlikely(sdata->vif.type != NL80211_IFTYPE_WDS &&
sdata->vif.type != NL80211_IFTYPE_MESH_POINT))
return -1;
}
}
break;
- case __constant_cpu_to_le16(IEEE80211_FCTL_FROMDS):
+ case cpu_to_le16(IEEE80211_FCTL_FROMDS):
if (sdata->vif.type != NL80211_IFTYPE_STATION ||
(is_multicast_ether_addr(dst) &&
!compare_ether_addr(src, dev->dev_addr)))
return -1;
break;
- case __constant_cpu_to_le16(0):
+ case cpu_to_le16(0):
if (sdata->vif.type != NL80211_IFTYPE_ADHOC)
return -1;
break;
return RX_CONTINUE;
}
+static void ieee80211_process_sa_query_req(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_mgmt *mgmt,
+ size_t len)
+{
+ struct ieee80211_local *local = sdata->local;
+ struct sk_buff *skb;
+ struct ieee80211_mgmt *resp;
+
+ if (compare_ether_addr(mgmt->da, sdata->dev->dev_addr) != 0) {
+ /* Not to own unicast address */
+ return;
+ }
+
+ if (compare_ether_addr(mgmt->sa, sdata->u.sta.bssid) != 0 ||
+ compare_ether_addr(mgmt->bssid, sdata->u.sta.bssid) != 0) {
+ /* Not from the current AP. */
+ return;
+ }
+
+ if (sdata->u.sta.state == IEEE80211_STA_MLME_ASSOCIATE) {
+ /* Association in progress; ignore SA Query */
+ return;
+ }
+
+ if (len < 24 + 1 + sizeof(resp->u.action.u.sa_query)) {
+ /* Too short SA Query request frame */
+ return;
+ }
+
+ skb = dev_alloc_skb(sizeof(*resp) + local->hw.extra_tx_headroom);
+ if (skb == NULL)
+ return;
+
+ skb_reserve(skb, local->hw.extra_tx_headroom);
+ resp = (struct ieee80211_mgmt *) skb_put(skb, 24);
+ memset(resp, 0, 24);
+ memcpy(resp->da, mgmt->sa, ETH_ALEN);
+ memcpy(resp->sa, sdata->dev->dev_addr, ETH_ALEN);
+ memcpy(resp->bssid, sdata->u.sta.bssid, ETH_ALEN);
+ resp->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
+ IEEE80211_STYPE_ACTION);
+ skb_put(skb, 1 + sizeof(resp->u.action.u.sa_query));
+ resp->u.action.category = WLAN_CATEGORY_SA_QUERY;
+ resp->u.action.u.sa_query.action = WLAN_ACTION_SA_QUERY_RESPONSE;
+ memcpy(resp->u.action.u.sa_query.trans_id,
+ mgmt->u.action.u.sa_query.trans_id,
+ WLAN_SA_QUERY_TR_ID_LEN);
+
+ ieee80211_tx_skb(sdata, skb, 1);
+}
+
static ieee80211_rx_result debug_noinline
ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
{
if (!(rx->flags & IEEE80211_RX_RA_MATCH))
return RX_DROP_MONITOR;
+ if (ieee80211_drop_unencrypted(rx, mgmt->frame_control))
+ return RX_DROP_MONITOR;
+
/* all categories we currently handle have action_code */
if (len < IEEE80211_MIN_ACTION_SIZE + 1)
return RX_DROP_MONITOR;
break;
}
break;
+ case WLAN_CATEGORY_SA_QUERY:
+ if (len < (IEEE80211_MIN_ACTION_SIZE +
+ sizeof(mgmt->u.action.u.sa_query)))
+ return RX_DROP_MONITOR;
+ switch (mgmt->u.action.u.sa_query.action) {
+ case WLAN_ACTION_SA_QUERY_REQUEST:
+ if (sdata->vif.type != NL80211_IFTYPE_STATION)
+ return RX_DROP_MONITOR;
+ ieee80211_process_sa_query_req(sdata, mgmt, len);
+ break;
+ case WLAN_ACTION_SA_QUERY_RESPONSE:
+ /*
+ * SA Query response is currently only used in AP mode
+ * and it is processed in user space.
+ */
+ return RX_CONTINUE;
+ }
+ break;
default:
return RX_CONTINUE;
}
ieee80211_rx_h_mgmt(struct ieee80211_rx_data *rx)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(rx->dev);
+ struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) rx->skb->data;
if (!(rx->flags & IEEE80211_RX_RA_MATCH))
return RX_DROP_MONITOR;
+ if (ieee80211_drop_unencrypted(rx, mgmt->frame_control))
+ return RX_DROP_MONITOR;
+
if (ieee80211_vif_is_mesh(&sdata->vif))
return ieee80211_mesh_rx_mgmt(sdata, rx->skb, rx->status);
CALL_RXH(ieee80211_rx_h_passive_scan)
CALL_RXH(ieee80211_rx_h_check)
CALL_RXH(ieee80211_rx_h_decrypt)
+ CALL_RXH(ieee80211_rx_h_check_more_data)
CALL_RXH(ieee80211_rx_h_sta_process)
CALL_RXH(ieee80211_rx_h_defragment)
CALL_RXH(ieee80211_rx_h_ps_poll)
projects / linux-2.6-block.git / blobdiff