package/madwifi/patches/355-eap_auth_disassoc.patch

   1 This patch causes STA mode interfaces to disassociate if transmission of assoc/auth
   2 critical packets failed.
   3
   4 Signed-off-by: Felix Fietkau <nbd@openwrt.org>
   5
   6 --- a/ath/if_ath.c
   7 +++ b/ath/if_ath.c
   8 @@ -8328,6 +8328,14 @@
   9  #endif
  10                                 if (ts->ts_status & HAL_TXERR_XRETRY) {
  11                                         sc->sc_stats.ast_tx_xretries++;
  12 +                                       if (SKB_CB(bf->bf_skb)->auth_pkt &&
  13 +                                               (ni->ni_vap->iv_opmode == IEEE80211_M_STA)) {
  14 +                                               struct ieee80211vap *vap = ni->ni_vap;
  15 +
  16 +                                               /* if roaming is enabled, try reassociating, otherwise
  17 +                                                * disassociate and go back to the scan state */
  18 +                                               vap->iv_mgtsend.function(vap->iv_mgtsend.data);
  19 +                                       }
  20                                         if (ni->ni_flags & IEEE80211_NODE_UAPSD_TRIG) {
  21                                                 ni->ni_stats.ns_tx_eosplost++;
  22                                                 DPRINTF(sc, ATH_DEBUG_UAPSD,
  23 --- a/net80211/ieee80211_linux.c
  24 +++ b/net80211/ieee80211_linux.c
  25 @@ -156,6 +156,7 @@
  26                 if (off != 0)
  27                         skb_reserve(skb, align - off);
  28
  29 +               SKB_CB(skb)->auth_pkt = 0;
  30                 SKB_CB(skb)->ni = NULL;
  31                 SKB_CB(skb)->flags = 0;
  32                 SKB_CB(skb)->next = NULL;
  33 --- a/net80211/ieee80211_linux.h
  34 +++ b/net80211/ieee80211_linux.h
  35 @@ -393,6 +393,7 @@
  36         void            (*next_destructor)(struct sk_buff *skb);
  37  #endif
  38         struct sk_buff *next;                   /* fast frame sk_buf chain */
  39 +       u_int8_t auth_pkt;
  40  };
  41
  42
  43 --- a/net80211/ieee80211_output.c
  44 +++ b/net80211/ieee80211_output.c
  45 @@ -778,6 +778,8 @@
  46         else
  47                 hdrsize = sizeof(struct ieee80211_frame);
  48
  49 +       SKB_CB(skb)->auth_pkt = (eh.ether_type == __constant_htons(ETHERTYPE_PAE));
  50 +
  51         switch (vap->iv_opmode) {
  52         case IEEE80211_M_IBSS:
  53         case IEEE80211_M_AHDEMO:
  54 @@ -1622,6 +1624,7 @@
  55         ie->param_len = frm - &ie->param_oui[0];
  56         return frm;
  57  }
  58 +
  59  #endif
  60  /*
  61   * Send a probe request frame with the specified ssid
  62 @@ -1886,6 +1889,7 @@
  63                                 sizeof(u_int16_t)+IEEE80211_CHALLENGE_LEN : 0));
  64                 if (skb == NULL)
  65                         senderr(ENOMEM, is_tx_nobuf);
  66 +               SKB_CB(skb)->auth_pkt = 1;
  67
  68                 ((__le16 *)frm)[0] =
  69                         (is_shared_key) ? htole16(IEEE80211_AUTH_ALG_SHARED)
  70 @@ -1960,6 +1964,7 @@
  71                         vap->app_ie[IEEE80211_APPIE_FRAME_ASSOC_REQ].length);
  72                 if (skb == NULL)
  73                         senderr(ENOMEM, is_tx_nobuf);
  74 +               SKB_CB(skb)->auth_pkt = 1;
  75
  76                 capinfo = 0;
  77                 if (vap->iv_opmode == IEEE80211_M_IBSS)