package/madwifi/patches/360-sta_nodes.patch

   1 Drop stale AP nodes from the client list when disconnecting.
   2 Fixes some reassoc issues.
   3
   4 Signed-off-by: Felix Fietkau <nbd@openwrt.org>
   5
   6 --- a/net80211/ieee80211_proto.c
   7 +++ b/net80211/ieee80211_proto.c
   8 @@ -1348,7 +1348,7 @@
   9                                 IEEE80211_SEND_MGMT(ni,
  10                                         IEEE80211_FC0_SUBTYPE_DISASSOC,
  11                                         IEEE80211_REASON_ASSOC_LEAVE);
  12 -                               ieee80211_sta_leave(ni);
  13 +                               ieee80211_node_leave(ni);
  14                                 break;
  15                         case IEEE80211_M_HOSTAP:
  16                                 ieee80211_iterate_nodes(&ic->ic_sta,
  17 @@ -1358,12 +1358,14 @@
  18                                 break;
  19                         }
  20                         goto reset;
  21 +               case IEEE80211_S_AUTH:
  22                 case IEEE80211_S_ASSOC:
  23                         switch (vap->iv_opmode) {
  24                         case IEEE80211_M_STA:
  25                                 IEEE80211_SEND_MGMT(ni,
  26                                         IEEE80211_FC0_SUBTYPE_DEAUTH,
  27                                         IEEE80211_REASON_AUTH_LEAVE);
  28 +                               ieee80211_node_leave(ni);
  29                                 break;
  30                         case IEEE80211_M_HOSTAP:
  31                                 ieee80211_iterate_nodes(&ic->ic_sta,
  32 @@ -1376,7 +1378,6 @@
  33                 case IEEE80211_S_SCAN:
  34                         ieee80211_cancel_scan(vap);
  35                         goto reset;
  36 -               case IEEE80211_S_AUTH:
  37                 reset:
  38                         ieee80211_reset_bss(vap);
  39                         break;
  40 @@ -1429,10 +1430,12 @@
  41                                         IEEE80211_SCAN_FOREVER,
  42                                         vap->iv_des_nssid, vap->iv_des_ssid,
  43                                         NULL);
  44 +                       else
  45 +                               ieee80211_node_leave(vap->iv_bss);
  46                         break;
  47                 case IEEE80211_S_RUN:           /* beacon miss */
  48                         if (vap->iv_opmode == IEEE80211_M_STA) {
  49 -                               ieee80211_sta_leave(ni);
  50 +                               ieee80211_node_leave(ni);
  51                                 vap->iv_flags &= ~IEEE80211_F_SIBSS;    /* XXX */
  52                                 if (ic->ic_roaming == IEEE80211_ROAMING_AUTO)
  53                                         ieee80211_check_scan(vap,
  54 @@ -1484,7 +1487,7 @@
  55                                 vap->iv_state = ostate; /* stay RUN */
  56                                 break;
  57                         case IEEE80211_FC0_SUBTYPE_DEAUTH:
  58 -                               ieee80211_sta_leave(ni);
  59 +                               ieee80211_node_leave(ni);
  60                                 if (ic->ic_roaming == IEEE80211_ROAMING_AUTO) {
  61                                         /* try to reauth */
  62                                         IEEE80211_SEND_MGMT(ni,
  63 @@ -1511,7 +1514,7 @@
  64                                 IEEE80211_FC0_SUBTYPE_ASSOC_REQ, 0);
  65                         break;
  66                 case IEEE80211_S_RUN:
  67 -                       ieee80211_sta_leave(ni);
  68 +                       ieee80211_node_leave(ni);
  69                         if (ic->ic_roaming == IEEE80211_ROAMING_AUTO) {
  70                                 /* NB: caller specifies ASSOC/REASSOC by arg */
  71                                 IEEE80211_SEND_MGMT(ni, arg ?
  72 @@ -1779,6 +1782,7 @@
  73                           ieee80211_state_name[nstate],
  74                           ieee80211_state_name[dstate]);
  75
  76 +       ieee80211_update_link_status(vap, nstate, ostate);
  77         switch (nstate) {
  78         case IEEE80211_S_AUTH:
  79         case IEEE80211_S_ASSOC:
  80 --- a/net80211/ieee80211_linux.c
  81 +++ b/net80211/ieee80211_linux.c
  82 @@ -233,33 +233,59 @@
  83  }
  84
  85  void
  86 -ieee80211_notify_node_join(struct ieee80211_node *ni, int newassoc)
  87 +ieee80211_update_link_status(struct ieee80211vap *vap, int nstate, int ostate)
  88  {
  89 -       struct ieee80211vap *vap = ni->ni_vap;
  90         struct net_device *dev = vap->iv_dev;
  91         union iwreq_data wreq;
  92 +       int active;
  93 +
  94 +       if (vap->iv_opmode != IEEE80211_M_STA)
  95 +               return;
  96 +
  97 +       if (ostate == nstate)
  98 +               return;
  99 +
 100 +       if (nstate == IEEE80211_S_RUN)
 101 +               active = 1;
 102 +       else if ((ostate >= IEEE80211_S_AUTH) && (nstate < ostate))
 103 +               active = 0;
 104 +       else
 105 +               return;
 106 +
 107 +       if (active && !vap->iv_bss)
 108 +               return;
 109 +
 110 +       memset(&wreq, 0, sizeof(wreq));
 111 +       wreq.ap_addr.sa_family = ARPHRD_ETHER;
 112
 113 -       if (ni == vap->iv_bss) {
 114 -               if (newassoc)
 115 -                       netif_carrier_on(dev);
 116 -               memset(&wreq, 0, sizeof(wreq));
 117 +       if (active) {
 118 +               //netif_carrier_on(vap->iv_dev);
 119                 IEEE80211_ADDR_COPY(wreq.addr.sa_data, vap->iv_bssid);
 120 -               wreq.addr.sa_family = ARPHRD_ETHER;
 121 -#ifdef ATH_SUPERG_XR
 122 -               if (vap->iv_xrvap && vap->iv_flags & IEEE80211_F_XR)
 123 -                       dev = vap->iv_xrvap->iv_dev;
 124 -#endif
 125 -               wireless_send_event(dev, SIOCGIWAP, &wreq, NULL);
 126         } else {
 127 -               memset(&wreq, 0, sizeof(wreq));
 128 -               IEEE80211_ADDR_COPY(wreq.addr.sa_data, ni->ni_macaddr);
 129 -               wreq.addr.sa_family = ARPHRD_ETHER;
 130 +               //netif_carrier_off(vap->iv_dev);
 131 +               memset(wreq.ap_addr.sa_data, 0, ETHER_ADDR_LEN);
 132 +       }
 133 +       wireless_send_event(dev, SIOCGIWAP, &wreq, NULL);
 134 +}
 135 +
 136 +void
 137 +ieee80211_notify_node_join(struct ieee80211_node *ni, int newassoc)
 138 +{
 139 +       struct ieee80211vap *vap = ni->ni_vap;
 140 +       struct net_device *dev = vap->iv_dev;
 141 +       union iwreq_data wreq;
 142 +
 143 +       if (ni == vap->iv_bss)
 144 +               return;
 145 +
 146 +       memset(&wreq, 0, sizeof(wreq));
 147 +       IEEE80211_ADDR_COPY(wreq.addr.sa_data, ni->ni_macaddr);
 148 +       wreq.addr.sa_family = ARPHRD_ETHER;
 149  #ifdef ATH_SUPERG_XR
 150 -               if (vap->iv_xrvap && vap->iv_flags & IEEE80211_F_XR)
 151 -                       dev = vap->iv_xrvap->iv_dev;
 152 +       if (vap->iv_xrvap && vap->iv_flags & IEEE80211_F_XR)
 153 +               dev = vap->iv_xrvap->iv_dev;
 154  #endif
 155 -               wireless_send_event(dev, IWEVREGISTERED, &wreq, NULL);
 156 -       }
 157 +       wireless_send_event(dev, IWEVREGISTERED, &wreq, NULL);
 158  }
 159
 160  void
 161 @@ -269,18 +295,14 @@
 162         struct net_device *dev = vap->iv_dev;
 163         union iwreq_data wreq;
 164
 165 -       if (ni == vap->iv_bss) {
 166 -               netif_carrier_off(dev);
 167 -               memset(wreq.ap_addr.sa_data, 0, ETHER_ADDR_LEN);
 168 -               wreq.ap_addr.sa_family = ARPHRD_ETHER;
 169 -               wireless_send_event(dev, SIOCGIWAP, &wreq, NULL);
 170 -       } else {
 171 -               /* fire off wireless event station leaving */
 172 -               memset(&wreq, 0, sizeof(wreq));
 173 -               IEEE80211_ADDR_COPY(wreq.addr.sa_data, ni->ni_macaddr);
 174 -               wreq.addr.sa_family = ARPHRD_ETHER;
 175 -               wireless_send_event(dev, IWEVEXPIRED, &wreq, NULL);
 176 -       }
 177 +       if (ni == vap->iv_bss)
 178 +               return;
 179 +
 180 +       /* fire off wireless event station leaving */
 181 +       memset(&wreq, 0, sizeof(wreq));
 182 +       IEEE80211_ADDR_COPY(wreq.addr.sa_data, ni->ni_macaddr);
 183 +       wreq.addr.sa_family = ARPHRD_ETHER;
 184 +       wireless_send_event(dev, IWEVEXPIRED, &wreq, NULL);
 185  }
 186
 187  void
 188 --- a/net80211/ieee80211_node.c
 189 +++ b/net80211/ieee80211_node.c
 190 @@ -2332,6 +2332,7 @@
 191                 count_suppchans(ic, ni, -1);
 192         IEEE80211_UNLOCK_IRQ(ic);
 193
 194 +done:
 195         /*
 196          * Cleanup station state.  In particular clear various
 197          * state that might otherwise be reused if the node
 198 @@ -2339,7 +2340,7 @@
 199          * (and memory is reclaimed).
 200          */
 201         ieee80211_sta_leave(ni);
 202 -done:
 203 +
 204         /* Run a cleanup */
 205  #ifdef IEEE80211_DEBUG_REFCNT
 206         ic->ic_node_cleanup_debug(ni, __func__, __LINE__);
 207 --- a/net80211/ieee80211_node.h
 208 +++ b/net80211/ieee80211_node.h
 209 @@ -60,7 +60,7 @@
 210  #define        IEEE80211_INACT_PROBE   (30/IEEE80211_INACT_WAIT)       /* probe */
 211  #define        IEEE80211_INACT_SCAN    (300/IEEE80211_INACT_WAIT)      /* scanned */
 212
 213 -#define        IEEE80211_TRANS_WAIT    5                               /* mgt frame tx timer (secs) */
 214 +#define        IEEE80211_TRANS_WAIT    300                             /* mgt frame tx timer (msecs) */
 215
 216  #define        IEEE80211_NODE_HASHSIZE 32
 217  /* simple hash is enough for variation of macaddr */
 218 --- a/net80211/ieee80211_output.c
 219 +++ b/net80211/ieee80211_output.c
 220 @@ -2140,7 +2140,7 @@
 221
 222         ieee80211_mgmt_output(ieee80211_ref_node(ni), skb, type);
 223         if (timer)
 224 -               mod_timer(&vap->iv_mgtsend, jiffies + timer * HZ);
 225 +               mod_timer(&vap->iv_mgtsend, jiffies + msecs_to_jiffies(timer));
 226         return 0;
 227  bad:
 228         return ret;
 229 --- a/net80211/ieee80211_wireless.c
 230 +++ b/net80211/ieee80211_wireless.c
 231 @@ -514,8 +514,9 @@
 232                         vap->iv_flags |= IEEE80211_F_DESBSSID;
 233
 234                 IEEE80211_ADDR_COPY(vap->iv_des_bssid, &ap_addr->sa_data);
 235 -               if (IS_UP_AUTO(vap))
 236 +               if (IS_UP(vap->iv_dev)) {
 237                         ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
 238 +               }
 239         }
 240         return 0;
 241  }
 242 --- a/net80211/ieee80211_linux.h
 243 +++ b/net80211/ieee80211_linux.h
 244 @@ -643,6 +643,7 @@
 245  #define        free_netdev(dev)        kfree(dev)
 246  #endif
 247
 248 +void ieee80211_update_link_status(struct ieee80211vap *vap, int nstate, int ostate);
 249  void ieee80211_ioctl_vattach(struct ieee80211vap *);
 250  void ieee80211_ioctl_vdetach(struct ieee80211vap *);
 251  struct ifreq;