diff options
Diffstat (limited to 'package/madwifi/patches/393-mbss_vap_auth.patch')
| -rw-r--r-- | package/madwifi/patches/393-mbss_vap_auth.patch | 491 |
1 files changed, 491 insertions, 0 deletions
diff --git a/package/madwifi/patches/393-mbss_vap_auth.patch b/package/madwifi/patches/393-mbss_vap_auth.patch new file mode 100644 index 000000000..a2637cccb --- /dev/null +++ b/package/madwifi/patches/393-mbss_vap_auth.patch @@ -0,0 +1,491 @@ +--- a/net80211/ieee80211_node.c ++++ b/net80211/ieee80211_node.c +@@ -123,6 +123,9 @@ static void ieee80211_node_table_cleanup + static void ieee80211_node_table_reset(struct ieee80211_node_table *, + struct ieee80211vap *); + ++static struct ieee80211_node * ++lookup_rxnode(struct ieee80211com *ic, struct ieee80211vap *vap, const u_int8_t *addr); ++ + MALLOC_DEFINE(M_80211_NODE, "80211node", "802.11 node state"); + + void +@@ -697,7 +700,7 @@ ieee80211_sta_join(struct ieee80211vap * + struct ieee80211com *ic = vap->iv_ic; + struct ieee80211_node *ni; + +- ni = ieee80211_find_node(&ic->ic_sta, se->se_macaddr); ++ ni = lookup_rxnode(ic, vap, se->se_macaddr); + if (ni == NULL) { + ni = ieee80211_alloc_node_table(vap, se->se_macaddr); + IEEE80211_DPRINTF(vap, IEEE80211_MSG_ASSOC, +@@ -1394,6 +1397,53 @@ ieee80211_add_neighbor(struct ieee80211v + return ni; + } + ++struct ieee80211vap * ++ieee80211_find_rxvap(struct ieee80211com *ic, const u_int8_t *mac) ++{ ++ struct ieee80211vap *vap; ++ ++ TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { ++ if (IEEE80211_ADDR_EQ(vap->iv_myaddr, mac)) ++ return vap; ++ } ++ return NULL; ++} ++EXPORT_SYMBOL(ieee80211_find_rxvap); ++ ++static struct ieee80211_node * ++lookup_rxnode(struct ieee80211com *ic, struct ieee80211vap *vap, ++ const u_int8_t *addr) ++{ ++ struct ieee80211_node_table *nt; ++ struct ieee80211_node *ni = NULL; ++ int use_bss = 0; ++ int hash; ++ ++ nt = &ic->ic_sta; ++ IEEE80211_NODE_TABLE_LOCK_IRQ(nt); ++ hash = IEEE80211_NODE_HASH(addr); ++ LIST_FOREACH(ni, &nt->nt_hash[hash], ni_hash) { ++ if (IEEE80211_ADDR_EQ(ni->ni_macaddr, addr)) { ++ /* allow multiple nodes on different vaps */ ++ if (vap && (ni->ni_vap != vap)) ++ continue; ++ ++ ieee80211_ref_node(ni); ++ goto out; ++ } ++ } ++ ++ /* no match found */ ++ ni = NULL; ++ ++out: ++ IEEE80211_NODE_TABLE_UNLOCK_IRQ(nt); ++ return ni; ++#undef IS_PSPOLL ++#undef IS_CTL ++} ++ ++ + /* + * Return the node for the sender of a frame; if the sender is unknown return + * NULL. The caller is expected to deal with this. (The frame is sent to all +@@ -1403,10 +1453,10 @@ ieee80211_add_neighbor(struct ieee80211v + */ + struct ieee80211_node * + #ifdef IEEE80211_DEBUG_REFCNT +-ieee80211_find_rxnode_debug(struct ieee80211com *ic, ++ieee80211_find_rxnode_debug(struct ieee80211com *ic, struct ieee80211vap *vap, + const struct ieee80211_frame_min *wh, const char *func, int line) + #else +-ieee80211_find_rxnode(struct ieee80211com *ic, ++ieee80211_find_rxnode(struct ieee80211com *ic, struct ieee80211vap *vap, + const struct ieee80211_frame_min *wh) + #endif + { +@@ -1414,9 +1464,8 @@ ieee80211_find_rxnode(struct ieee80211co + ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_CTL) + #define IS_PSPOLL(wh) \ + ((wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) == IEEE80211_FC0_SUBTYPE_PS_POLL) +- struct ieee80211_node_table *nt; +- struct ieee80211_node *ni; +- struct ieee80211vap *vap, *avp; ++ struct ieee80211_node *ni = NULL; ++ struct ieee80211vap *avp; + const u_int8_t *addr; + + if (IS_CTL(wh) && !IS_PSPOLL(wh) /*&& !IS_RTS(ah)*/) +@@ -1429,32 +1478,25 @@ ieee80211_find_rxnode(struct ieee80211co + + /* XXX check ic_bss first in station mode */ + /* XXX 4-address frames? */ +- nt = &ic->ic_sta; +- IEEE80211_NODE_TABLE_LOCK_IRQ(nt); + if ((wh->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS) { +- TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { ++ if (vap) { /* assume unicast if vap is set, mcast not supported for wds */ + TAILQ_FOREACH(avp, &vap->iv_wdslinks, iv_wdsnext) { +- if (!IEEE80211_ADDR_EQ(addr, avp->wds_mac)) ++ if (!IEEE80211_ADDR_EQ(addr, avp->wds_mac) || ++ !IEEE80211_ADDR_EQ(wh->i_addr1, avp->iv_myaddr)) + continue; + + if (avp->iv_wdsnode) +- return ieee80211_ref_node(avp->iv_wdsnode); +- else +- return NULL; ++ ni = ieee80211_ref_node(avp->iv_wdsnode); ++ return ni; + } ++ if (!(vap->iv_flags_ext & IEEE80211_FEXT_WDS)) ++ return NULL; ++ } else { ++ return NULL; + } + } + +-#ifdef IEEE80211_DEBUG_REFCNT +- ni = ieee80211_find_node_locked_debug(nt, addr, func, line); +-#else +- ni = ieee80211_find_node_locked(nt, addr); +-#endif +- IEEE80211_NODE_TABLE_UNLOCK_IRQ(nt); +- +- return ni; +-#undef IS_PSPOLL +-#undef IS_CTL ++ return lookup_rxnode(ic, vap, addr); + } + #ifdef IEEE80211_DEBUG_REFCNT + EXPORT_SYMBOL(ieee80211_find_rxnode_debug); +@@ -1479,15 +1521,14 @@ ieee80211_find_txnode(struct ieee80211va + struct ieee80211com *ic = vap->iv_ic; + struct ieee80211_node_table *nt; + struct ieee80211_node *ni = NULL; ++ int hash; + +- IEEE80211_LOCK_IRQ(ic); + if (vap->iv_opmode == IEEE80211_M_WDS) { + if (vap->iv_wdsnode && (vap->iv_state == IEEE80211_S_RUN)) + return ieee80211_ref_node(vap->iv_wdsnode); + else + return NULL; + } +- IEEE80211_UNLOCK_IRQ(ic); + + /* + * The destination address should be in the node table +@@ -1505,11 +1546,22 @@ ieee80211_find_txnode(struct ieee80211va + /* XXX: Can't hold lock across dup_bss due to recursive locking. */ + nt = &vap->iv_ic->ic_sta; + IEEE80211_NODE_TABLE_LOCK_IRQ(nt); ++ hash = IEEE80211_NODE_HASH(mac); ++ LIST_FOREACH(ni, &nt->nt_hash[hash], ni_hash) { ++ if (ni->ni_vap != vap) ++ continue; ++ ++ if (IEEE80211_ADDR_EQ(ni->ni_macaddr, mac)) { + #ifdef IEEE80211_DEBUG_REFCNT +- ni = ieee80211_find_node_locked_debug(nt, mac, func, line); ++ ieee80211_ref_node_debug(ni, func, line); + #else +- ni = ieee80211_find_node_locked(nt, mac); ++ ieee80211_ref_node(ni); + #endif ++ goto found; ++ } ++ } ++ ni = NULL; ++found: + IEEE80211_NODE_TABLE_UNLOCK_IRQ(nt); + + if (ni == NULL) { +@@ -1964,13 +2016,32 @@ remove_worse_nodes(void *arg, struct iee + } + } + ++static void ++remove_duplicate_nodes(void *arg, struct ieee80211_node *ni) ++{ ++ struct ieee80211_node *rni = arg; ++ ++ if (ni == rni) ++ return; ++ ++ if (ni->ni_vap == rni->ni_vap) ++ return; ++ ++ if (!IEEE80211_ADDR_EQ(rni->ni_macaddr, ni->ni_macaddr)) ++ return; ++ ++ ieee80211_node_leave(ni); ++} ++ + void + ieee80211_node_join(struct ieee80211_node *ni, int resp) + { + struct ieee80211com *ic = ni->ni_ic; + struct ieee80211vap *vap = ni->ni_vap; ++ struct ieee80211_node *tni; + int newassoc; + ++ ieee80211_iterate_nodes(&ic->ic_sta, remove_duplicate_nodes, ni); + if (ni->ni_associd == 0) { + u_int16_t aid; + +--- a/net80211/ieee80211_input.c ++++ b/net80211/ieee80211_input.c +@@ -216,16 +216,14 @@ ieee80211_input(struct ieee80211vap * va + + type = -1; /* undefined */ + +- if (!vap) +- goto out; ++ if (!vap || !vap->iv_bss || !vap->iv_dev || !vap->iv_ic) ++ goto discard; + + ic = vap->iv_ic; +- if (!ic) +- goto out; +- + dev = vap->iv_dev; +- if (!dev) +- goto out; ++ ++ if ((vap->iv_dev->flags & (IFF_UP|IFF_RUNNING)) != (IFF_UP|IFF_RUNNING)) ++ goto discard; + + /* initialize ni as in the previous API */ + if (ni_or_null == NULL) { +@@ -233,9 +231,10 @@ ieee80211_input(struct ieee80211vap * va + * guarantee its existence during the following call, hence + * briefly grab our own reference. */ + ni = ieee80211_ref_node(vap->iv_bss); ++ KASSERT(ni != NULL, ("null node")); ++ } else { ++ ni->ni_inact = ni->ni_inact_reload; + } +- KASSERT(ni != NULL, ("null node")); +- ni->ni_inact = ni->ni_inact_reload; + + KASSERT(skb->len >= sizeof(struct ieee80211_frame_min), + ("frame length too short: %u", skb->len)); +@@ -844,10 +843,11 @@ ieee80211_input(struct ieee80211vap * va + err: + vap->iv_devstats.rx_errors++; + out: +- if (skb != NULL) +- ieee80211_dev_kfree_skb(&skb); + if (ni_or_null == NULL) + ieee80211_unref_node(&ni); ++discard: ++ if (skb != NULL) ++ ieee80211_dev_kfree_skb(&skb); + return type; + #undef HAS_SEQ + } +@@ -929,16 +929,23 @@ int + ieee80211_input_all(struct ieee80211com *ic, + struct sk_buff *skb, int rssi, u_int64_t rtsf) + { ++ struct ieee80211_frame_min *wh = (struct ieee80211_frame_min *) skb->data; + struct ieee80211vap *vap; + int type = -1; + + /* XXX locking */ + TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { ++ struct ieee80211_node *ni = NULL; + struct sk_buff *skb1; + + if ((vap->iv_dev->flags & (IFF_UP|IFF_RUNNING)) != (IFF_UP|IFF_RUNNING)) + continue; + ++ if ((vap->iv_opmode == IEEE80211_M_HOSTAP) && ++ !IEEE80211_IS_MULTICAST(wh->i_addr1)) ++ continue; ++ ++ ni = ieee80211_find_rxnode(ic, vap, wh); + if (TAILQ_NEXT(vap, iv_next) != NULL) { + skb1 = skb_copy(skb, GFP_ATOMIC); + if (skb1 == NULL) { +@@ -950,8 +957,12 @@ ieee80211_input_all(struct ieee80211com + skb1 = skb; + skb = NULL; + } +- type = ieee80211_input(vap, NULL, skb1, rssi, rtsf); ++ type = ieee80211_input(vap, ni, skb1, rssi, rtsf); ++ if (ni) ++ ieee80211_unref_node(&ni); + } ++ ++out: + if (skb != NULL) /* no vaps, reclaim skb */ + ieee80211_dev_kfree_skb(&skb); + return type; +@@ -1147,11 +1158,9 @@ ieee80211_deliver_data(struct ieee80211_ + * sending it will not work; just let it be + * delivered normally. + */ +- struct ieee80211_node *ni1 = ieee80211_find_node( +- &vap->iv_ic->ic_sta, eh->ether_dhost); ++ struct ieee80211_node *ni1 = ieee80211_find_txnode(vap, eh->ether_dhost); + if (ni1 != NULL) { +- if (ni1->ni_vap == vap && +- ieee80211_node_is_authorized(ni1) && ++ if (ieee80211_node_is_authorized(ni1) && + !ni1->ni_subif && + ni1 != vap->iv_bss) { + +@@ -3520,6 +3529,7 @@ ieee80211_recv_mgmt(struct ieee80211vap + (vap->iv_opmode == IEEE80211_M_WDS)) && + (scan.capinfo & IEEE80211_CAPINFO_ESS))) { + struct ieee80211vap *avp = NULL; ++ int do_unref = 0; + int found = 0; + + IEEE80211_LOCK_IRQ(vap->iv_ic); +@@ -3553,10 +3563,12 @@ ieee80211_recv_mgmt(struct ieee80211vap + ni->ni_associd |= 0xc000; + avp->iv_wdsnode = ieee80211_ref_node(ni); + IEEE80211_UNLOCK_IRQ(ic); +- } else if (vap->iv_opmode == IEEE80211_M_IBSS) { ++ } else if ((vap->iv_opmode == IEEE80211_M_IBSS) && ++ IEEE80211_ADDR_EQ(wh->i_addr3, vap->iv_bssid)) { + /* Create a new entry in the neighbor table. */ + ni = ieee80211_add_neighbor(vap, wh, &scan); + } ++ do_unref = 1; + } else { + /* + * Copy data from beacon to neighbor table. +@@ -3595,6 +3607,8 @@ ieee80211_recv_mgmt(struct ieee80211vap + ni->ni_rssi = rssi; + ni->ni_rtsf = rtsf; + ni->ni_last_rx = jiffies; ++ if (do_unref) ++ ieee80211_unref_node(&ni); + } + } + break; +--- a/ath/if_ath.c ++++ b/ath/if_ath.c +@@ -6589,9 +6589,8 @@ ath_recv_mgmt(struct ieee80211vap * vap, + + sc->sc_recv_mgmt(vap, ni_or_null, skb, subtype, rssi, rtsf); + +- + /* Lookup the new node if any (this grabs a reference to it) */ +- ni = ieee80211_find_rxnode(vap->iv_ic, ++ ni = ieee80211_find_rxnode(vap->iv_ic, vap, + (const struct ieee80211_frame_min *)skb->data); + if (ni == NULL) { + DPRINTF(sc, ATH_DEBUG_BEACON, "Dropping; node unknown.\n"); +@@ -6746,7 +6745,9 @@ ath_rx_poll(struct net_device *dev, int + struct ath_desc *ds; + struct ath_rx_status *rs; + struct sk_buff *skb = NULL; ++ struct ieee80211vap *vap; + struct ieee80211_node *ni; ++ const struct ieee80211_frame_min *wh; + unsigned int len; + int type; + u_int phyerr; +@@ -6901,12 +6902,15 @@ rx_accept: + skb_trim(skb, skb->len - IEEE80211_CRC_LEN); + + if (mic_fail) { ++ wh = (const struct ieee80211_frame_min *) skb->data; ++ + /* Ignore control frames which are reported with mic error */ +- if ((((struct ieee80211_frame *)skb->data)->i_fc[0] & ++ if ((wh->i_fc[0] & + IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_CTL) + goto drop_micfail; + +- ni = ieee80211_find_rxnode(ic, (const struct ieee80211_frame_min *) skb->data); ++ vap = ieee80211_find_rxvap(ic, wh->i_addr1); ++ ni = ieee80211_find_rxnode(ic, vap, wh); + + if (ni && ni->ni_table) { + ieee80211_check_mic(ni, skb); +@@ -6968,11 +6972,24 @@ drop_micfail: + * for its use. If the sender is unknown spam the + * frame; it'll be dropped where it's not wanted. + */ +- if (rs->rs_keyix != HAL_RXKEYIX_INVALID && ++ wh = (const struct ieee80211_frame_min *) skb->data; ++ if ((rs->rs_keyix != HAL_RXKEYIX_INVALID) && + (ni = sc->sc_keyixmap[rs->rs_keyix]) != NULL) { + /* Fast path: node is present in the key map; + * grab a reference for processing the frame. */ +- ni = ieee80211_ref_node(ni); ++ ieee80211_ref_node(ni); ++ if ((ATH_GET_VAP_ID(wh->i_addr1) != ++ ATH_GET_VAP_ID(ni->ni_vap->iv_myaddr)) || ++ ((wh->i_fc[1] & IEEE80211_FC1_DIR_MASK) == ++ IEEE80211_FC1_DIR_DSTODS)) { ++ /* key cache node lookup is fast, but it can ++ * lead to problems in multi-bss (foreign vap ++ * node reference) or wds (wdsap node ref instead ++ * of base ap node ref). ++ * use slowpath lookup in both cases ++ */ ++ goto lookup_slowpath; ++ } + ATH_RSSI_LPF(ATH_NODE(ni)->an_avgrssi, rs->rs_rssi); + type = ieee80211_input(ni->ni_vap, ni, skb, rs->rs_rssi, bf->bf_tsf); + ieee80211_unref_node(&ni); +@@ -6981,24 +6998,39 @@ drop_micfail: + * No key index or no entry, do a lookup and + * add the node to the mapping table if possible. + */ +- ni = ieee80211_find_rxnode(ic, +- (const struct ieee80211_frame_min *)skb->data); ++ ++lookup_slowpath: ++ if (IEEE80211_IS_MULTICAST(wh->i_addr1)) ++ vap = NULL; ++ else ++ vap = ieee80211_find_rxvap(ic, wh->i_addr1); ++ ++ if (vap) ++ ni = ieee80211_find_rxnode(ic, vap, wh); ++ else ++ ni = NULL; ++ + if (ni != NULL) { + ieee80211_keyix_t keyix; + + ATH_RSSI_LPF(ATH_NODE(ni)->an_avgrssi, rs->rs_rssi); +- type = ieee80211_input(ni->ni_vap, ni, skb, rs->rs_rssi, bf->bf_tsf); ++ type = ieee80211_input(vap, ni, skb, rs->rs_rssi, bf->bf_tsf); + /* + * If the station has a key cache slot assigned + * update the key->node mapping table. + */ + keyix = ni->ni_ucastkey.wk_keyix; + if (keyix != IEEE80211_KEYIX_NONE && +- sc->sc_keyixmap[keyix] == NULL) ++ sc->sc_keyixmap[keyix] == NULL) { + sc->sc_keyixmap[keyix] = ieee80211_ref_node(ni); ++ } + ieee80211_unref_node(&ni); +- } else +- type = ieee80211_input_all(ic, skb, rs->rs_rssi, bf->bf_tsf); ++ } else { ++ if (vap) ++ type = ieee80211_input(vap, NULL, skb, rs->rs_rssi, bf->bf_tsf); ++ else ++ type = ieee80211_input_all(ic, skb, rs->rs_rssi, bf->bf_tsf); ++ } + } + + if (sc->sc_diversity) { +--- a/net80211/ieee80211_node.h ++++ b/net80211/ieee80211_node.h +@@ -286,15 +286,18 @@ struct ieee80211_node *ieee80211_find_no + const u_int8_t *); + #endif /* #ifdef IEEE80211_DEBUG_REFCNT */ + ++struct ieee80211vap * ++ieee80211_find_rxvap(struct ieee80211com *ic, const u_int8_t *mac); ++ + /* Returns a ieee80211_node* with refcount incremented, if found */ + #ifdef IEEE80211_DEBUG_REFCNT +-#define ieee80211_find_rxnode(_nt, _wh) \ +- ieee80211_find_rxnode_debug(_nt, _wh, __func__, __LINE__) ++#define ieee80211_find_rxnode(_nt, _vap, _wh) \ ++ ieee80211_find_rxnode_debug(_nt, _vap, _wh, __func__, __LINE__) + struct ieee80211_node *ieee80211_find_rxnode_debug(struct ieee80211com *, +- const struct ieee80211_frame_min *, const char *, int); ++ struct ieee80211vap *, const struct ieee80211_frame_min *, const char *, int); + #else + struct ieee80211_node *ieee80211_find_rxnode(struct ieee80211com *, +- const struct ieee80211_frame_min *); ++ struct ieee80211vap *, const struct ieee80211_frame_min *); + #endif /* #ifdef IEEE80211_DEBUG_REFCNT */ + + /* Returns a ieee80211_node* with refcount incremented, if found */ |