madwifi: more ad-hoc fixes

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18050 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/madwifi/patches/451-ibss_race_fix.patch b/package/madwifi/patches/451-ibss_race_fix.patch
index 662f454..7785dc1 100644 (file)
--- a/package/madwifi/patches/451-ibss_race_fix.patch
+++ b/package/madwifi/patches/451-ibss_race_fix.patch
@@ -1,23 +1,42 @@
 --- a/net80211/ieee80211_input.c
 +++ b/net80211/ieee80211_input.c
-@@ -3573,6 +3573,9 @@ ieee80211_recv_mgmt(struct ieee80211vap 
+@@ -322,7 +322,6 @@ ieee80211_input(struct ieee80211vap * va
+                       }
+                       /* Do not try to find a node reference if the packet really did come from the BSS */
+                       if (type == IEEE80211_FC0_TYPE_DATA && ni == vap->iv_bss &&
+-                                      !IEEE80211_ADDR_EQ(vap->iv_bss->ni_macaddr, wh->i_addr2) &&
+                                       IEEE80211_ADDR_EQ(vap->iv_bssid, wh->i_addr3)) {
+                               /* Try to find sender in local node table. */
+                               ni = ieee80211_find_node(&ic->ic_sta, wh->i_addr2);
+@@ -3572,10 +3571,12 @@ ieee80211_recv_mgmt(struct ieee80211vap 
+                       } else if (vap->iv_opmode == IEEE80211_M_WDS) {
                                found = 1;
                                ni = ni_or_null = vap->iv_wdsnode;
-                       } else if (vap->iv_opmode == IEEE80211_M_IBSS) {
-+                              if (vap->iv_state != IEEE80211_S_RUN)
-+                                      break;
-+
+-                      } else if (vap->iv_opmode == IEEE80211_M_IBSS) {
++                      } else if ((vap->iv_opmode == IEEE80211_M_IBSS) && (vap->iv_state == IEEE80211_S_RUN)) {
                                ni_or_null = ieee80211_find_node(&ic->ic_sta, wh->i_addr2);
-                               if (ni_or_null)
+-                              if (ni_or_null)
++                              if (ni_or_null) {
                                        ni = ni_or_null;
++                                      do_unref = 1;
++                              }
+                               found = 1;
+                       }
+                       IEEE80211_UNLOCK_IRQ(vap->iv_ic);
 --- a/net80211/ieee80211_node.c
 +++ b/net80211/ieee80211_node.c
-@@ -317,16 +317,10 @@ ieee80211_create_ibss(struct ieee80211va
+@@ -317,16 +317,16 @@ ieee80211_create_ibss(struct ieee80211va
        /* Check to see if we already have a node for this mac
         * NB: we gain a node reference here
         */
 -      ni = ieee80211_find_txnode(vap, vap->iv_myaddr);
-+      ni = ieee80211_alloc_node(vap, vap->iv_myaddr);
++      ni = ieee80211_find_node(&ic->ic_sta, vap->iv_myaddr);
++      if (ni) {
++              ieee80211_node_leave(ni);
++              ieee80211_unref_node(&ni);
++      }
++
++      ni = ieee80211_alloc_node_table(vap, vap->iv_myaddr);
        if (ni == NULL) {
 -              ni = ieee80211_alloc_node_table(vap, vap->iv_myaddr);
 -              IEEE80211_DPRINTF(vap, IEEE80211_MSG_ASSOC,
@@ -32,3 +51,27 @@
        }
  
        IEEE80211_ADDR_COPY(ni->ni_bssid, vap->iv_myaddr);
+@@ -759,6 +759,9 @@ ieee80211_sta_join(struct ieee80211vap *
+       ieee80211_setup_rates(ni, se->se_rates, se->se_xrates,
+               IEEE80211_F_DOSORT | IEEE80211_F_DONEGO | IEEE80211_F_DODEL);
+ 
++      if (vap->iv_opmode == IEEE80211_M_IBSS)
++              ieee80211_node_table_reset(&vap->iv_ic->ic_sta, vap);
++
+       return ieee80211_sta_join1(PASS_NODE(ni));
+ }
+ EXPORT_SYMBOL(ieee80211_sta_join);
+--- a/ath/if_ath.c
++++ b/ath/if_ath.c
+@@ -6655,10 +6655,8 @@ ath_recv_mgmt(struct ieee80211vap * vap,
+                        * if the difference it too small. Otherwise we are playing
+                        * tsf-pingpong with other vendors drivers */
+                       beacon_tsf = le64_to_cpu(ni->ni_tstamp.tsf);
+-                      if (beacon_tsf > rtsf + 0xffff) {
++                      if (beacon_tsf > rtsf + 0xffff)
+                               ath_hal_settsf64(sc->sc_ah, beacon_tsf - rtsf);
+-                              ieee80211_ibss_merge(ni);
+-                      }
+                       break;
+               }
+               /* NB: Fall Through */