openwrt/package/madwifi/patches-r3776/319-eap_auth_disassoc.patch

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This patch causes STA mode interfaces to disassociate if transmission of assoc/auth
critical packets failed.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Index: madwifi-trunk-r3776/ath/if_ath.c
===================================================================
--- madwifi-trunk-r3776.orig/ath/if_ath.c 2008-07-17 03:53:09.000000000 +0200
+++ madwifi-trunk-r3776/ath/if_ath.c 2008-07-17 04:00:42.000000000 +0200
@@ -8272,6 +8272,18 @@
#endif
if (ts->ts_status & HAL_TXERR_XRETRY) {
sc->sc_stats.ast_tx_xretries++;
+ if (SKB_CB(bf->bf_skb)->auth_pkt && (ni->ni_vap->iv_opmode == IEEE80211_M_STA)) {
+ struct ieee80211com *ic = &sc->sc_ic;
+
+ /* if roaming is enabled, try reassociating, otherwise
+ * disassociate and go back to the scan state */
+ IEEE80211_VAPS_LOCK_BH(ic);
+ if (ic->ic_roaming == IEEE80211_ROAMING_AUTO)
+ ni->ni_vap->iv_newstate(ni->ni_vap, IEEE80211_S_ASSOC, 1);
+ else
+ ni->ni_vap->iv_newstate(ni->ni_vap, IEEE80211_S_SCAN, 0);
+ IEEE80211_VAPS_UNLOCK_BH(ic);
+ }
if (ni->ni_flags & IEEE80211_NODE_UAPSD_TRIG) {
ni->ni_stats.ns_tx_eosplost++;
DPRINTF(sc, ATH_DEBUG_UAPSD,
Index: madwifi-trunk-r3776/net80211/ieee80211_linux.c
===================================================================
--- madwifi-trunk-r3776.orig/net80211/ieee80211_linux.c 2008-07-17 00:49:54.000000000 +0200
+++ madwifi-trunk-r3776/net80211/ieee80211_linux.c 2008-07-17 04:01:27.000000000 +0200
@@ -158,6 +158,7 @@
SKB_NI(skb) = NULL;
SKB_CB(skb)->flags = 0;
+ SKB_CB(skb)->auth_pkt = 0;
skb_reserve(skb, sizeof(struct ieee80211_frame));
*frm = skb_put(skb, pktlen);
Index: madwifi-trunk-r3776/net80211/ieee80211_linux.h
===================================================================
--- madwifi-trunk-r3776.orig/net80211/ieee80211_linux.h 2008-07-17 00:53:20.000000000 +0200
+++ madwifi-trunk-r3776/net80211/ieee80211_linux.h 2008-07-17 04:02:15.000000000 +0200
@@ -411,6 +411,7 @@
#define M_SKB_TRACKED 0x20
void (*next_destructor)(struct sk_buff *skb);
#endif
+ u_int8_t auth_pkt;
};
struct __assert {
Index: madwifi-trunk-r3776/net80211/ieee80211_output.c
===================================================================
--- madwifi-trunk-r3776.orig/net80211/ieee80211_output.c 2008-07-17 02:35:10.000000000 +0200
+++ madwifi-trunk-r3776/net80211/ieee80211_output.c 2008-07-17 04:00:42.000000000 +0200
@@ -773,6 +773,8 @@
else
hdrsize = sizeof(struct ieee80211_frame);
+ SKB_CB(skb)->auth_pkt = (eh.ether_type == __constant_htons(ETHERTYPE_PAE));
+
switch (vap->iv_opmode) {
case IEEE80211_M_IBSS:
case IEEE80211_M_AHDEMO:
@@ -1617,6 +1619,7 @@
ie->param_len = frm - &ie->param_oui[0];
return frm;
}
+
#endif
/*
* Send a probe request frame with the specified ssid
@@ -1881,6 +1884,7 @@
sizeof(u_int16_t)+IEEE80211_CHALLENGE_LEN : 0));
if (skb == NULL)
senderr(ENOMEM, is_tx_nobuf);
+ SKB_CB(skb)->auth_pkt = 1;
((__le16 *)frm)[0] =
(is_shared_key) ? htole16(IEEE80211_AUTH_ALG_SHARED)
@@ -1955,6 +1959,7 @@
vap->app_ie[IEEE80211_APPIE_FRAME_ASSOC_REQ].length);
if (skb == NULL)
senderr(ENOMEM, is_tx_nobuf);
+ SKB_CB(skb)->auth_pkt = 1;
capinfo = 0;
if (vap->iv_opmode == IEEE80211_M_IBSS)