mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-25 17:13:44 +02:00
5c8a4212a7
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19110 3c298f89-4303-0410-b956-a3cf2f4a3e73
77 lines
2.5 KiB
Diff
77 lines
2.5 KiB
Diff
--- a/net/mac80211/mlme.c
|
|
+++ b/net/mac80211/mlme.c
|
|
@@ -312,6 +312,38 @@ void ieee80211_send_nullfunc(struct ieee
|
|
ieee80211_tx_skb(sdata, skb);
|
|
}
|
|
|
|
+static void ieee80211_send_4addr_nullfunc(struct ieee80211_local *local,
|
|
+ struct ieee80211_sub_if_data *sdata)
|
|
+{
|
|
+ struct sk_buff *skb;
|
|
+ struct ieee80211_hdr *nullfunc;
|
|
+ __le16 fc;
|
|
+
|
|
+ if (WARN_ON(sdata->vif.type != NL80211_IFTYPE_STATION))
|
|
+ return;
|
|
+
|
|
+ skb = dev_alloc_skb(local->hw.extra_tx_headroom + 30);
|
|
+ if (!skb) {
|
|
+ printk(KERN_DEBUG "%s: failed to allocate buffer for 4addr "
|
|
+ "nullfunc frame\n", sdata->name);
|
|
+ return;
|
|
+ }
|
|
+ skb_reserve(skb, local->hw.extra_tx_headroom);
|
|
+
|
|
+ nullfunc = (struct ieee80211_hdr *) skb_put(skb, 30);
|
|
+ memset(nullfunc, 0, 30);
|
|
+ fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC |
|
|
+ IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS);
|
|
+ nullfunc->frame_control = fc;
|
|
+ memcpy(nullfunc->addr1, sdata->u.mgd.bssid, ETH_ALEN);
|
|
+ memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
|
|
+ memcpy(nullfunc->addr3, sdata->u.mgd.bssid, ETH_ALEN);
|
|
+ memcpy(nullfunc->addr4, sdata->vif.addr, ETH_ALEN);
|
|
+
|
|
+ IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
|
|
+ ieee80211_tx_skb(sdata, skb);
|
|
+}
|
|
+
|
|
/* spectrum management related things */
|
|
static void ieee80211_chswitch_work(struct work_struct *work)
|
|
{
|
|
@@ -1120,6 +1152,13 @@ static bool ieee80211_assoc_success(stru
|
|
ieee80211_set_associated(sdata, cbss, changed);
|
|
|
|
/*
|
|
+ * If we're using 4-addr mode, let the AP know that we're
|
|
+ * doing so, so that it can create the STA VLAN on its side
|
|
+ */
|
|
+ if (ifmgd->use_4addr)
|
|
+ ieee80211_send_4addr_nullfunc(local, sdata);
|
|
+
|
|
+ /*
|
|
* Start timer to probe the connection to the AP now.
|
|
* Also start the timer that will detect beacon loss.
|
|
*/
|
|
--- a/net/mac80211/rx.c
|
|
+++ b/net/mac80211/rx.c
|
|
@@ -1111,6 +1111,18 @@ ieee80211_rx_h_sta_process(struct ieee80
|
|
if (ieee80211_is_nullfunc(hdr->frame_control) ||
|
|
ieee80211_is_qos_nullfunc(hdr->frame_control)) {
|
|
I802_DEBUG_INC(rx->local->rx_handlers_drop_nullfunc);
|
|
+
|
|
+ /*
|
|
+ * If we receive a 4-addr nullfunc frame from a STA
|
|
+ * that was not moved to a 4-addr STA vlan yet, drop
|
|
+ * the frame to the monitor interface, to make sure
|
|
+ * that hostapd sees it
|
|
+ */
|
|
+ if (ieee80211_has_a4(hdr->frame_control) &&
|
|
+ (rx->sdata->vif.type == NL80211_IFTYPE_AP ||
|
|
+ (rx->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
|
|
+ !rx->sdata->u.vlan.sta)))
|
|
+ return RX_DROP_MONITOR;
|
|
/*
|
|
* Update counter and free packet here to avoid
|
|
* counting this as a dropped packed.
|