madwifi: fix a wds related race condition
SVN-Revision: 17578
This commit is contained in:
parent
84c01891da
commit
36d7f7c017
12 changed files with 25 additions and 24 deletions
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@ -748,7 +748,7 @@
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IEEE80211_NODE_STAT(ni, rx_data);
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IEEE80211_NODE_STAT_ADD(ni, rx_bytes, skb->len);
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ic->ic_lastdata = jiffies;
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@@ -1114,6 +1142,17 @@ ieee80211_deliver_data(struct ieee80211_
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@@ -1114,6 +1142,18 @@ ieee80211_deliver_data(struct ieee80211_
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dev = vap->iv_xrvap->iv_dev;
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#endif
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@ -757,6 +757,7 @@
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+ if (ni->ni_subif && ((eh)->ether_type != __constant_htons(ETHERTYPE_PAE))) {
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+ if (ni->ni_vap == ni->ni_subif) {
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+ ieee80211_dev_kfree_skb(&skb);
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+ return;
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+ } else {
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+ vap = ni->ni_subif;
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+ dev = vap->iv_dev;
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@ -766,7 +767,7 @@
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/* perform as a bridge within the vap */
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/* XXX intra-vap bridging only */
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if (vap->iv_opmode == IEEE80211_M_HOSTAP &&
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@@ -1139,7 +1178,16 @@ ieee80211_deliver_data(struct ieee80211_
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@@ -1139,7 +1179,16 @@ ieee80211_deliver_data(struct ieee80211_
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if (ni1 != NULL) {
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if (ni1->ni_vap == vap &&
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ieee80211_node_is_authorized(ni1) &&
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@ -783,7 +784,7 @@
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skb1 = skb;
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skb = NULL;
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}
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@@ -3084,8 +3132,7 @@ ieee80211_recv_mgmt(struct ieee80211vap
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@@ -3084,8 +3133,7 @@ ieee80211_recv_mgmt(struct ieee80211vap
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(vap->iv_opmode == IEEE80211_M_STA && ni->ni_associd) ||
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(vap->iv_opmode == IEEE80211_M_IBSS) ||
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((subtype == IEEE80211_FC0_SUBTYPE_BEACON) &&
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@ -793,7 +794,7 @@
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vap->iv_stats.is_rx_mgtdiscard++;
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return;
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}
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@@ -3471,13 +3518,54 @@ ieee80211_recv_mgmt(struct ieee80211vap
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@@ -3471,13 +3519,54 @@ ieee80211_recv_mgmt(struct ieee80211vap
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*/
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if (ic->ic_flags & IEEE80211_F_SCAN) {
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ieee80211_add_scan(vap, &scan, wh, subtype, rssi, rtsf);
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@ -853,7 +854,7 @@
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} else {
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/*
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* Copy data from beacon to neighbor table.
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@@ -3490,6 +3578,7 @@ ieee80211_recv_mgmt(struct ieee80211vap
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@@ -3490,6 +3579,7 @@ ieee80211_recv_mgmt(struct ieee80211vap
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IEEE80211_ADDR_COPY(ni->ni_bssid, wh->i_addr3);
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memcpy(ni->ni_tstamp.data, scan.tstamp,
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sizeof(ni->ni_tstamp));
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@ -1,6 +1,6 @@
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--- a/net80211/ieee80211_input.c
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+++ b/net80211/ieee80211_input.c
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@@ -1197,6 +1197,7 @@ ieee80211_deliver_data(struct ieee80211_
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@@ -1198,6 +1198,7 @@ ieee80211_deliver_data(struct ieee80211_
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}
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if (skb1 != NULL) {
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struct ieee80211_node *ni_tmp;
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@ -8,7 +8,7 @@
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skb1->dev = dev;
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skb_reset_mac_header(skb1);
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skb_set_network_header(skb1, sizeof(struct ether_header));
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@@ -1204,7 +1205,12 @@ ieee80211_deliver_data(struct ieee80211_
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@@ -1205,7 +1206,12 @@ ieee80211_deliver_data(struct ieee80211_
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skb1->protocol = __constant_htons(ETH_P_802_2);
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/* XXX insert vlan tag before queue it? */
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ni_tmp = SKB_CB(skb1)->ni; /* remember node so we can free it */
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@ -1,6 +1,6 @@
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--- a/net80211/ieee80211_input.c
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+++ b/net80211/ieee80211_input.c
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@@ -3528,6 +3528,11 @@ ieee80211_recv_mgmt(struct ieee80211vap
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@@ -3529,6 +3529,11 @@ ieee80211_recv_mgmt(struct ieee80211vap
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if (ic->ic_flags & IEEE80211_F_SCAN) {
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ieee80211_add_scan(vap, &scan, wh, subtype, rssi, rtsf);
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}
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@ -56,7 +56,7 @@
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/*
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--- a/net80211/ieee80211_input.c
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+++ b/net80211/ieee80211_input.c
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@@ -4017,7 +4017,26 @@ ieee80211_recv_mgmt(struct ieee80211vap
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@@ -4018,7 +4018,26 @@ ieee80211_recv_mgmt(struct ieee80211vap
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vap->iv_stats.is_rx_assoc_norate++;
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return;
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}
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@ -1,6 +1,6 @@
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--- a/net80211/ieee80211_input.c
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+++ b/net80211/ieee80211_input.c
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@@ -4440,7 +4440,9 @@ ath_eth_type_trans(struct sk_buff *skb,
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@@ -4441,7 +4441,9 @@ ath_eth_type_trans(struct sk_buff *skb,
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if (memcmp(eth->h_dest, dev->dev_addr, ETH_ALEN))
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skb->pkt_type = PACKET_OTHERHOST;
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@ -1,6 +1,6 @@
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--- a/net80211/ieee80211_input.c
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+++ b/net80211/ieee80211_input.c
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@@ -1374,7 +1374,7 @@ ieee80211_auth_open(struct ieee80211_nod
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@@ -1375,7 +1375,7 @@ ieee80211_auth_open(struct ieee80211_nod
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vap->iv_stats.is_rx_bad_auth++; /* XXX maybe a unique error? */
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if (vap->iv_opmode == IEEE80211_M_HOSTAP) {
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if (ni == vap->iv_bss) {
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@ -9,7 +9,7 @@
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if (ni == NULL)
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return;
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tmpnode = 1;
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@@ -1762,6 +1762,8 @@ ieee80211_ssid_mismatch(struct ieee80211
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@@ -1763,6 +1763,8 @@ ieee80211_ssid_mismatch(struct ieee80211
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}
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#define IEEE80211_VERIFY_SSID(_ni, _ssid) do { \
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@ -18,7 +18,7 @@
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if ((_ssid)[1] != 0 && \
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((_ssid)[1] != (_ni)->ni_esslen || \
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memcmp((_ssid) + 2, (_ni)->ni_essid, (_ssid)[1]) != 0)) { \
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@@ -1776,6 +1778,8 @@ ieee80211_ssid_mismatch(struct ieee80211
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@@ -1777,6 +1779,8 @@ ieee80211_ssid_mismatch(struct ieee80211
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} while (0)
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#else /* !IEEE80211_DEBUG */
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#define IEEE80211_VERIFY_SSID(_ni, _ssid) do { \
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@ -305,7 +305,7 @@
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if (skb != NULL) /* no vaps, reclaim skb */
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ieee80211_dev_kfree_skb(&skb);
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return type;
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@@ -1146,11 +1157,9 @@ ieee80211_deliver_data(struct ieee80211_
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@@ -1147,11 +1158,9 @@ ieee80211_deliver_data(struct ieee80211_
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* sending it will not work; just let it be
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* delivered normally.
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*/
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@ -319,7 +319,7 @@
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!ni1->ni_subif &&
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ni1 != vap->iv_bss) {
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@@ -3519,6 +3528,7 @@ ieee80211_recv_mgmt(struct ieee80211vap
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@@ -3520,6 +3529,7 @@ ieee80211_recv_mgmt(struct ieee80211vap
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(vap->iv_opmode == IEEE80211_M_WDS)) &&
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(scan.capinfo & IEEE80211_CAPINFO_ESS))) {
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struct ieee80211vap *avp = NULL;
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@ -327,7 +327,7 @@
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int found = 0;
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IEEE80211_LOCK_IRQ(vap->iv_ic);
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@@ -3550,10 +3560,12 @@ ieee80211_recv_mgmt(struct ieee80211vap
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@@ -3551,10 +3561,12 @@ ieee80211_recv_mgmt(struct ieee80211vap
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ni->ni_associd |= 0xc000;
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avp->iv_wdsnode = ieee80211_ref_node(ni);
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IEEE80211_UNLOCK_IRQ(ic);
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@ -341,7 +341,7 @@
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} else {
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/*
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* Copy data from beacon to neighbor table.
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@@ -3592,6 +3604,8 @@ ieee80211_recv_mgmt(struct ieee80211vap
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@@ -3593,6 +3605,8 @@ ieee80211_recv_mgmt(struct ieee80211vap
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ni->ni_rssi = rssi;
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ni->ni_rtsf = rtsf;
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ni->ni_last_rx = jiffies;
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@ -1,6 +1,6 @@
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--- a/net80211/ieee80211_input.c
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+++ b/net80211/ieee80211_input.c
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@@ -3618,6 +3618,8 @@ ieee80211_recv_mgmt(struct ieee80211vap
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@@ -3619,6 +3619,8 @@ ieee80211_recv_mgmt(struct ieee80211vap
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vap->iv_stats.is_rx_mgtdiscard++;
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return;
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}
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@ -45,7 +45,7 @@
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local_irq_restore(flags);
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--- a/net80211/ieee80211_input.c
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+++ b/net80211/ieee80211_input.c
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@@ -1205,6 +1205,7 @@ ieee80211_deliver_data(struct ieee80211_
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@@ -1206,6 +1206,7 @@ ieee80211_deliver_data(struct ieee80211_
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}
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}
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@ -183,7 +183,7 @@
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ieee80211_stop(vap->iv_dev);
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--- a/net80211/ieee80211_input.c
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+++ b/net80211/ieee80211_input.c
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@@ -2774,6 +2774,7 @@ static void
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@@ -2775,6 +2775,7 @@ static void
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ieee80211_doth_switch_channel(struct ieee80211vap *vap)
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{
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struct ieee80211com *ic = vap->iv_ic;
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@ -191,7 +191,7 @@
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IEEE80211_DPRINTF(vap, IEEE80211_MSG_DOTH,
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"%s: Channel switch to %3d (%4d MHz) NOW!\n",
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@@ -2796,6 +2797,9 @@ ieee80211_doth_switch_channel(struct iee
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@@ -2797,6 +2798,9 @@ ieee80211_doth_switch_channel(struct iee
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ic->ic_curchan = ic->ic_bsschan = vap->iv_csa_chan;
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ic->ic_set_channel(ic);
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@ -170,7 +170,7 @@ http://madwifi-project.org/changeset/4005
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#endif
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--- a/net80211/ieee80211_input.c
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+++ b/net80211/ieee80211_input.c
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@@ -1187,7 +1187,11 @@ ieee80211_deliver_data(struct ieee80211_
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@@ -1188,7 +1188,11 @@ ieee80211_deliver_data(struct ieee80211_
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skb1->protocol = __constant_htons(ETH_P_802_2);
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/* XXX insert vlan tag before queue it? */
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ni_tmp = SKB_CB(skb1)->ni; /* remember node so we can free it */
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@ -44,7 +44,7 @@
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if (dir != IEEE80211_FC1_DIR_NODS) {
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IEEE80211_DISCARD(vap, IEEE80211_MSG_ANY,
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wh, "data", "invalid dir 0x%x", dir);
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@@ -3555,6 +3560,11 @@ ieee80211_recv_mgmt(struct ieee80211vap
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@@ -3556,6 +3561,11 @@ ieee80211_recv_mgmt(struct ieee80211vap
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} else if (vap->iv_opmode == IEEE80211_M_WDS) {
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found = 1;
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ni = ni_or_null = vap->iv_wdsnode;
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}
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IEEE80211_UNLOCK_IRQ(vap->iv_ic);
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@@ -3683,19 +3693,8 @@ ieee80211_recv_mgmt(struct ieee80211vap
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@@ -3684,19 +3694,8 @@ ieee80211_recv_mgmt(struct ieee80211vap
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vap->iv_stats.is_rx_ssidmismatch++; /*XXX*/
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return;
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}
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