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path: root/package/madwifi/patches/355-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>

--- a/ath/if_ath.c
+++ b/ath/if_ath.c
@@ -8332,6 +8332,14 @@ ath_tx_processq(struct ath_softc *sc, st
 #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 ieee80211vap *vap = ni->ni_vap;
+
+						/* if roaming is enabled, try reassociating, otherwise
+						 * disassociate and go back to the scan state */
+						vap->iv_mgtsend.function(vap->iv_mgtsend.data);
+					}
 					if (ni->ni_flags & IEEE80211_NODE_UAPSD_TRIG) {
 						ni->ni_stats.ns_tx_eosplost++;
 						DPRINTF(sc, ATH_DEBUG_UAPSD,
--- a/net80211/ieee80211_linux.c
+++ b/net80211/ieee80211_linux.c
@@ -156,6 +156,7 @@ ieee80211_getmgtframe(u_int8_t **frm, u_
 		if (off != 0)
 			skb_reserve(skb, align - off);
 
+		SKB_CB(skb)->auth_pkt = 0;
 		SKB_CB(skb)->ni = NULL;
 		SKB_CB(skb)->flags = 0;
 		SKB_CB(skb)->next = NULL;
--- a/net80211/ieee80211_linux.h
+++ b/net80211/ieee80211_linux.h
@@ -393,6 +393,7 @@ typedef spinlock_t acl_lock_t;
 	void		(*next_destructor)(struct sk_buff *skb);
 #endif
 	struct sk_buff *next;			/* fast frame sk_buf chain */
+	u_int8_t auth_pkt;
 };
 
 
--- a/net80211/ieee80211_output.c
+++ b/net80211/ieee80211_output.c
@@ -778,6 +778,8 @@ ieee80211_encap(struct ieee80211_node *n
 	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:
@@ -1622,6 +1624,7 @@ ieee80211_add_xr_param(u_int8_t *frm, st
 	ie->param_len = frm - &ie->param_oui[0];
 	return frm;
 }
+
 #endif
 /*
  * Send a probe request frame with the specified ssid
@@ -1886,6 +1889,7 @@ ieee80211_send_mgmt(struct ieee80211_nod
 				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)
@@ -1960,6 +1964,7 @@ ieee80211_send_mgmt(struct ieee80211_nod
 			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)