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161 lines
4.3 KiB
Diff
161 lines
4.3 KiB
Diff
--- a/net/mac80211/rx.c
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+++ b/net/mac80211/rx.c
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@@ -2328,13 +2328,14 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_
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if (!ieee80211_vif_is_mesh(&sdata->vif) &&
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sdata->vif.type != NL80211_IFTYPE_ADHOC &&
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- sdata->vif.type != NL80211_IFTYPE_STATION)
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+ sdata->vif.type != NL80211_IFTYPE_STATION &&
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+ sdata->vif.type != NL80211_IFTYPE_WDS)
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return RX_DROP_MONITOR;
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switch (stype) {
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case cpu_to_le16(IEEE80211_STYPE_BEACON):
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case cpu_to_le16(IEEE80211_STYPE_PROBE_RESP):
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- /* process for all: mesh, mlme, ibss */
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+ /* process for all: mesh, mlme, ibss, wds */
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break;
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case cpu_to_le16(IEEE80211_STYPE_DEAUTH):
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case cpu_to_le16(IEEE80211_STYPE_DISASSOC):
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@@ -2714,7 +2715,10 @@ static int prepare_for_handlers(struct i
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}
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break;
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case NL80211_IFTYPE_WDS:
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- if (bssid || !ieee80211_is_data(hdr->frame_control))
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+ if (bssid) {
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+ if (!ieee80211_is_beacon(hdr->frame_control))
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+ return 0;
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+ } else if (!ieee80211_is_data(hdr->frame_control))
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return 0;
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if (compare_ether_addr(sdata->u.wds.remote_addr, hdr->addr2))
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return 0;
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--- a/net/mac80211/iface.c
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+++ b/net/mac80211/iface.c
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@@ -178,7 +178,6 @@ static int ieee80211_do_open(struct net_
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{
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struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
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struct ieee80211_local *local = sdata->local;
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- struct sta_info *sta;
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u32 changed = 0;
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int res;
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u32 hw_reconf_flags = 0;
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@@ -290,27 +289,6 @@ static int ieee80211_do_open(struct net_
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set_bit(SDATA_STATE_RUNNING, &sdata->state);
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- if (sdata->vif.type == NL80211_IFTYPE_WDS) {
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- /* Create STA entry for the WDS peer */
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- sta = sta_info_alloc(sdata, sdata->u.wds.remote_addr,
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- GFP_KERNEL);
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- if (!sta) {
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- res = -ENOMEM;
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- goto err_del_interface;
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- }
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-
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- /* no locking required since STA is not live yet */
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- sta->flags |= WLAN_STA_AUTHORIZED;
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-
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- res = sta_info_insert(sta);
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- if (res) {
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- /* STA has been freed */
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- goto err_del_interface;
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- }
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-
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- rate_control_rate_init(sta);
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- }
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-
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/*
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* set_multicast_list will be invoked by the networking core
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* which will check whether any increments here were done in
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@@ -344,8 +322,7 @@ static int ieee80211_do_open(struct net_
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netif_tx_start_all_queues(dev);
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return 0;
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- err_del_interface:
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- drv_remove_interface(local, &sdata->vif);
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+
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err_stop:
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if (!local->open_count)
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drv_stop(local);
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@@ -717,6 +694,70 @@ static void ieee80211_if_setup(struct ne
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dev->destructor = free_netdev;
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}
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+static void ieee80211_wds_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
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+ struct sk_buff *skb)
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+{
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+ struct ieee80211_local *local = sdata->local;
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+ struct ieee80211_rx_status *rx_status;
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+ struct ieee802_11_elems elems;
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+ struct ieee80211_mgmt *mgmt;
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+ struct sta_info *sta;
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+ size_t baselen;
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+ u32 rates = 0;
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+ u16 stype;
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+ bool new = false;
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+ enum ieee80211_band band = local->hw.conf.channel->band;
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+ struct ieee80211_supported_band *sband = local->hw.wiphy->bands[band];
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+
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+ rx_status = IEEE80211_SKB_RXCB(skb);
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+ mgmt = (struct ieee80211_mgmt *) skb->data;
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+ stype = le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE;
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+
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+ if (stype != IEEE80211_STYPE_BEACON)
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+ return;
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+
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+ baselen = (u8 *) mgmt->u.probe_resp.variable - (u8 *) mgmt;
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+ if (baselen > skb->len)
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+ return;
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+
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+ ieee802_11_parse_elems(mgmt->u.probe_resp.variable,
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+ skb->len - baselen, &elems);
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+
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+ rates = ieee80211_sta_get_rates(local, &elems, band);
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+
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+ rcu_read_lock();
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+
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+ sta = sta_info_get(sdata, sdata->u.wds.remote_addr);
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+
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+ if (!sta) {
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+ rcu_read_unlock();
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+ sta = sta_info_alloc(sdata, sdata->u.wds.remote_addr,
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+ GFP_KERNEL);
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+ if (!sta)
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+ return;
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+
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+ new = true;
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+ }
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+
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+ sta->last_rx = jiffies;
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+ sta->sta.supp_rates[local->hw.conf.channel->band] = rates;
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+
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+ if (elems.ht_cap_elem)
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+ ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
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+ elems.ht_cap_elem, &sta->sta.ht_cap);
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+
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+ if (elems.wmm_param)
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+ set_sta_flags(sta, WLAN_STA_WME);
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+
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+ if (new) {
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+ sta->flags = WLAN_STA_AUTHORIZED;
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+ rate_control_rate_init(sta);
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+ sta_info_insert_rcu(sta);
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+ }
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+
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+ rcu_read_unlock();
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+}
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+
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static void ieee80211_iface_work(struct work_struct *work)
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{
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struct ieee80211_sub_if_data *sdata =
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@@ -821,6 +862,9 @@ static void ieee80211_iface_work(struct
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break;
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ieee80211_mesh_rx_queued_mgmt(sdata, skb);
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break;
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+ case NL80211_IFTYPE_WDS:
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+ ieee80211_wds_rx_queued_mgmt(sdata, skb);
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+ break;
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default:
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WARN(1, "frame for unexpected interface type");
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break;
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