diff options
Diffstat (limited to 'package/madwifi/patches/441-fix_ibss_node_handling.patch')
| -rw-r--r-- | package/madwifi/patches/441-fix_ibss_node_handling.patch | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/package/madwifi/patches/441-fix_ibss_node_handling.patch b/package/madwifi/patches/441-fix_ibss_node_handling.patch new file mode 100644 index 000000000..20d59de26 --- /dev/null +++ b/package/madwifi/patches/441-fix_ibss_node_handling.patch @@ -0,0 +1,91 @@ +--- a/ath/if_ath.c ++++ b/ath/if_ath.c +@@ -6641,10 +6641,8 @@ static void + ath_recv_mgmt(struct ieee80211vap * vap, struct ieee80211_node *ni_or_null, + struct sk_buff *skb, int subtype, int rssi, u_int64_t rtsf) + { ++ const struct ieee80211_frame *wh = (struct ieee80211_frame *)skb->data; + struct ath_softc *sc = netdev_priv(vap->iv_ic->ic_dev); +-#ifdef AR_DEBUG +- struct ieee80211_frame *wh = (struct ieee80211_frame *)skb->data; +-#endif + struct ieee80211_node * ni = ni_or_null; + u_int64_t hw_tsf, beacon_tsf; + u_int32_t hw_tu, beacon_tu, intval; +@@ -6686,7 +6684,7 @@ ath_recv_mgmt(struct ieee80211vap * vap, + } + if ((vap->iv_opmode == IEEE80211_M_IBSS) && + (sc->sc_opmode == HAL_M_HOSTAP) && +- IEEE80211_ADDR_EQ(ni->ni_bssid, vap->iv_bss->ni_bssid)) { ++ IEEE80211_ADDR_EQ(wh->i_addr3, vap->iv_bssid)) { + /* In this mode, we drive the HAL in HOSTAP mode. Hence + * we do the IBSS merging in software. Also do not merge + * if the difference it too small. Otherwise we are playing +--- a/net80211/ieee80211_input.c ++++ b/net80211/ieee80211_input.c +@@ -311,7 +311,8 @@ 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_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); + if (ni == NULL) { +@@ -513,6 +514,10 @@ ieee80211_input(struct ieee80211vap * va + break; + case IEEE80211_M_IBSS: + case IEEE80211_M_AHDEMO: ++ /* ignore foreign data frames */ ++ if (ni == vap->iv_bss) ++ goto out; ++ + if (dir != IEEE80211_FC1_DIR_NODS) { + IEEE80211_DISCARD(vap, IEEE80211_MSG_ANY, + wh, "data", "invalid dir 0x%x", dir); +@@ -3558,6 +3563,11 @@ ieee80211_recv_mgmt(struct ieee80211vap + } else if ((vap->iv_opmode == IEEE80211_M_WDS) && vap->iv_wdsnode) { + found = 1; + ni = ni_or_null = vap->iv_wdsnode; ++ } else if (vap->iv_opmode == IEEE80211_M_IBSS) { ++ ni_or_null = ieee80211_find_node(&ic->ic_sta, wh->i_addr2); ++ if (ni_or_null) ++ ni = ni_or_null; ++ found = 1; + } + IEEE80211_UNLOCK_IRQ(vap->iv_ic); + +@@ -3686,19 +3696,8 @@ ieee80211_recv_mgmt(struct ieee80211vap + vap->iv_stats.is_rx_ssidmismatch++; /*XXX*/ + return; + } +- if (ni == vap->iv_bss) { +- if (vap->iv_opmode == IEEE80211_M_IBSS) { +- /* +- * XXX Cannot tell if the sender is operating +- * in ibss mode. But we need a new node to +- * send the response so blindly add them to the +- * neighbor table. +- */ +- ni = ieee80211_fakeup_adhoc_node(vap, +- wh->i_addr2); +- } else { +- ni = ieee80211_dup_bss(vap, wh->i_addr2, 1); +- } ++ if (ni == vap->iv_bss && vap->iv_opmode != IEEE80211_M_IBSS) { ++ ni = ieee80211_dup_bss(vap, wh->i_addr2, 1); + if (ni == NULL) + return; + allocbs = 1; +--- a/net80211/ieee80211_node.c ++++ b/net80211/ieee80211_node.c +@@ -601,6 +601,8 @@ ieee80211_ibss_merge(struct ieee80211_no + ic->ic_flags & IEEE80211_F_SHPREAMBLE ? "short" : "long", + ic->ic_flags & IEEE80211_F_SHSLOT ? "short" : "long", + ic->ic_flags & IEEE80211_F_USEPROT ? ", protection" : ""); ++ if (!IEEE80211_ADDR_EQ(ni->ni_bssid, vap->iv_bssid)) ++ ieee80211_node_table_reset(&vap->iv_ic->ic_sta, vap); + return ieee80211_sta_join1(ieee80211_ref_node(ni)); + } + EXPORT_SYMBOL(ieee80211_ibss_merge); |