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Code Activity

madwifi: fix a race condition in the wds sta separation, which is triggered by using wpa authentication on the ap

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@14193 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd
2009-01-26 00:27:49 +00:00
parent 35784d8fa8
commit 64730cf10a
5 changed files with 17 additions and 17 deletions
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22
package/madwifi/patches/370-wdsvap.patch
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@@ -680,14 +680,10 @@
}
break;
case IEEE80211_M_IBSS:
@@ -540,16 +548,32 @@ ieee80211_input(struct ieee80211vap * va
@@ -540,16 +548,28 @@ ieee80211_input(struct ieee80211vap * va
vap->iv_stats.is_rx_notassoc++;
goto err;
}
+
+ /* subif isn't fully set up yet, drop the frame */
+ if (ni->ni_subif == ni->ni_vap)
+ goto err;
+
/*
* If we're a 4 address packet, make sure we have an entry in
@@ -716,7 +712,7 @@
if (!(vap->iv_flags_ext & IEEE80211_FEXT_WDS)) {
IEEE80211_DISCARD(vap, IEEE80211_MSG_INPUT,
@@ -557,7 +581,6 @@ ieee80211_input(struct ieee80211vap * va
@@ -557,7 +577,6 @@ ieee80211_input(struct ieee80211vap * va
goto err;
}
wh4 = (struct ieee80211_frame_addr4 *)skb->data;
@@ -724,7 +720,7 @@
ni_wds = ieee80211_find_wds_node(nt, wh4->i_addr4);
/* Last call increments ref count if !NULL */
if ((ni_wds != NULL) && (ni_wds != ni)) {
@@ -608,6 +631,11 @@ ieee80211_input(struct ieee80211vap * va
@@ -608,6 +627,11 @@ ieee80211_input(struct ieee80211vap * va
goto out;
}
@@ -736,7 +732,7 @@
/*
* Handle privacy requirements. Note that we
* must not be preempted from here until after
@@ -680,8 +708,12 @@ ieee80211_input(struct ieee80211vap * va
@@ -680,8 +704,12 @@ ieee80211_input(struct ieee80211vap * va
if (! accept_data_frame(vap, ni, key, skb, eh))
goto out;
@@ -751,15 +747,19 @@
IEEE80211_NODE_STAT(ni, rx_data);
IEEE80211_NODE_STAT_ADD(ni, rx_bytes, skb->len);
ic->ic_lastdata = jiffies;
@@ -1114,6 +1146,13 @@ ieee80211_deliver_data(struct ieee80211_
@@ -1114,6 +1142,17 @@ ieee80211_deliver_data(struct ieee80211_
dev = vap->iv_xrvap->iv_dev;
#endif
+ /* if the node has a wds subif, move data frames there,
+ * but keep EAP traffic on the master */
+ if (ni->ni_subif && ((eh)->ether_type != __constant_htons(ETHERTYPE_PAE))) {
+ vap = ni->ni_subif;
+ dev = vap->iv_dev;
+ if (ni->ni_vap == ni->ni_subif) {
+ ieee80211_dev_kfree_skb(&skb);
+ } else {
+ vap = ni->ni_subif;
+ dev = vap->iv_dev;
+ }
+ }
+
/* perform as a bridge within the vap */