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madwifi: more ad-hoc fixes 

SVN-Revision: 18050
This commit is contained in:
Felix Fietkau 2009-10-15 19:20:43 +00:00
parent 3be1af45ac
commit 2c040be231
1 changed files with 51 additions and 8 deletions
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59
package/madwifi/patches/451-ibss_race_fix.patch
View File

@ -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 */