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authorFelix Fietkau <nbd@openwrt.org>2008-07-12 22:23:36 +0000
committerFelix Fietkau <nbd@openwrt.org>2008-07-12 22:23:36 +0000
commit59373f6fda811a65fc4d218ebb9ecaf5d4d5b4ac (patch)
tree27b84669fb2d4cadd58343dc1472bcde45b60b26 /package/madwifi
parent059dc41f062ab2d37bb89c6fb06bb92f74cac5fb (diff)
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madwifi: make STA mode interfaces disassociate if transmission of assoc/auth critical packets failed.
SVN-Revision: 11792
Diffstat (limited to 'package/madwifi')
-rw-r--r--package/madwifi/patches/355-eap_auth_disassoc.patch81
1 files changed, 81 insertions, 0 deletions
diff --git a/package/madwifi/patches/355-eap_auth_disassoc.patch b/package/madwifi/patches/355-eap_auth_disassoc.patch
new file mode 100644
index 0000000..e85d93a
--- /dev/null
+++ b/package/madwifi/patches/355-eap_auth_disassoc.patch
@@ -0,0 +1,81 @@
+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
+@@ -8315,6 +8315,18 @@
+ #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,
+--- a/net80211/ieee80211_linux.c
++++ b/net80211/ieee80211_linux.c
+@@ -156,6 +156,7 @@
+ 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 @@
+ 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 @@
+ 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 @@
+ ie->param_len = frm - &ie->param_oui[0];
+ return frm;
+ }
++
+ #endif
+ /*
+ * Send a probe request frame with the specified ssid
+@@ -1886,6 +1889,7 @@
+ 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)
+@@ -1960,6 +1964,7 @@
+ 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)