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openwrt-xburst/package/madwifi/patches/370-wdsvap.patch
nbd 6d19fadd65 madwifi: wds updates 
- refactor wds code
- add interface for separating individual wds stations from the master interface
- add some queueing fixes for packets passing through virtual interfaces


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@12003 3c298f89-4303-0410-b956-a3cf2f4a3e73
2008-07-30 04:45:24 +00:00

707 lines
23 KiB
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Raw Blame History

--- a/ath/if_ath.c
+++ b/ath/if_ath.c
@@ -124,7 +124,7 @@
};
static struct ieee80211vap *ath_vap_create(struct ieee80211com *,
- const char *, int, int, struct net_device *);
+ const char *, int, int, struct net_device *, struct ieee80211vap *);
static void ath_vap_delete(struct ieee80211vap *);
static int ath_init(struct net_device *);
static int ath_set_ack_bitrate(struct ath_softc *, int);
@@ -1123,8 +1123,6 @@
autocreatemode = IEEE80211_M_IBSS;
else if (!strcmp(autocreate, "ahdemo"))
autocreatemode = IEEE80211_M_AHDEMO;
- else if (!strcmp(autocreate, "wds"))
- autocreatemode = IEEE80211_M_WDS;
else if (!strcmp(autocreate, "monitor"))
autocreatemode = IEEE80211_M_MONITOR;
else {
@@ -1137,7 +1135,7 @@
if (autocreatemode != -1) {
rtnl_lock();
vap = ieee80211_create_vap(ic, "ath%d", dev,
- autocreatemode, 0);
+ autocreatemode, 0, NULL);
rtnl_unlock();
if (vap == NULL)
EPRINTF(sc, "Autocreation of %s VAP failed.", autocreate);
@@ -1230,14 +1228,14 @@
static struct ieee80211vap *
ath_vap_create(struct ieee80211com *ic, const char *name,
- int opmode, int flags, struct net_device *mdev)
+ int opmode, int flags, struct net_device *mdev, struct ieee80211vap *master)
{
struct ath_softc *sc = ic->ic_dev->priv;
struct ath_hal *ah = sc->sc_ah;
struct net_device *dev;
struct ath_vap *avp;
struct ieee80211vap *vap;
- int ic_opmode;
+ int ic_opmode = IEEE80211_M_STA;
if (ic->ic_dev->flags & IFF_RUNNING) {
/* needs to disable hardware too */
@@ -1271,8 +1269,12 @@
} else
ic_opmode = opmode;
break;
- case IEEE80211_M_HOSTAP:
case IEEE80211_M_WDS:
+ if (!master)
+ return NULL;
+ ic_opmode = ic->ic_opmode;
+ break;
+ case IEEE80211_M_HOSTAP:
/* permit multiple APs and/or WDS links */
/* XXX sta+ap for repeater/bridge application */
if ((sc->sc_nvaps != 0) && (ic->ic_opmode == IEEE80211_M_STA))
@@ -1304,7 +1306,7 @@
}
avp = dev->priv;
- ieee80211_vap_setup(ic, dev, name, opmode, flags);
+ ieee80211_vap_setup(ic, dev, name, opmode, flags, master);
/* override with driver methods */
vap = &avp->av_vap;
avp->av_newstate = vap->iv_newstate;
@@ -4201,8 +4203,7 @@
if (ic->ic_opmode == IEEE80211_M_STA ||
sc->sc_opmode == HAL_M_IBSS || /* NB: AHDEMO too */
(sc->sc_nostabeacons) || sc->sc_scanning ||
- ((ic->ic_opmode == IEEE80211_M_HOSTAP) &&
- (ic->ic_protmode != IEEE80211_PROT_NONE)))
+ (ic->ic_opmode == IEEE80211_M_HOSTAP))
rfilt |= HAL_RX_FILTER_BEACON;
if (sc->sc_nmonvaps > 0)
rfilt |= (HAL_RX_FILTER_CONTROL | HAL_RX_FILTER_BEACON |
@@ -9030,8 +9031,6 @@
* set sc->beacons if we might need to restart
* them after ath_reset. */
if (!sc->sc_beacons &&
- (TAILQ_FIRST(&ic->ic_vaps)->iv_opmode !=
- IEEE80211_M_WDS) &&
!txcont_was_active &&
!sc->sc_dfs_cac) {
sc->sc_beacons = 1;
--- a/net80211/ieee80211.c
+++ b/net80211/ieee80211.c
@@ -396,7 +396,7 @@
int
ieee80211_vap_setup(struct ieee80211com *ic, struct net_device *dev,
- const char *name, int opmode, int flags)
+ const char *name, int opmode, int flags, struct ieee80211vap *master)
{
#define IEEE80211_C_OPMODE \
(IEEE80211_C_IBSS | IEEE80211_C_HOSTAP | IEEE80211_C_AHDEMO | \
@@ -510,9 +510,18 @@
vap->iv_monitor_crc_errors = 0;
vap->iv_monitor_phy_errors = 0;
+ TAILQ_INIT(&vap->iv_wdslinks);
- IEEE80211_ADDR_COPY(vap->iv_myaddr, ic->ic_myaddr);
- IEEE80211_ADDR_COPY(vap->iv_bssid, ic->ic_myaddr);
+ if (master && (vap->iv_opmode == IEEE80211_M_WDS)) {
+ vap->iv_master = master;
+ TAILQ_INSERT_TAIL(&master->iv_wdslinks, vap, iv_wdsnext);
+ /* use the same BSSID as the master interface */
+ IEEE80211_ADDR_COPY(vap->iv_myaddr, vap->iv_master->iv_myaddr);
+ IEEE80211_ADDR_COPY(vap->iv_bssid, vap->iv_master->iv_myaddr);
+ } else {
+ IEEE80211_ADDR_COPY(vap->iv_myaddr, ic->ic_myaddr);
+ IEEE80211_ADDR_COPY(vap->iv_bssid, ic->ic_myaddr);
+ }
/* NB: Defer setting dev_addr so driver can override */
ieee80211_crypto_vattach(vap);
@@ -547,7 +556,8 @@
ifmedia_set(&vap->iv_media, imr.ifm_active);
IEEE80211_LOCK_IRQ(ic);
- TAILQ_INSERT_TAIL(&ic->ic_vaps, vap, iv_next);
+ if (vap->iv_opmode != IEEE80211_M_WDS)
+ TAILQ_INSERT_TAIL(&ic->ic_vaps, vap, iv_next);
IEEE80211_UNLOCK_IRQ(ic);
IEEE80211_ADDR_COPY(dev->dev_addr, vap->iv_myaddr);
@@ -579,10 +589,24 @@
{
struct ieee80211com *ic = vap->iv_ic;
struct net_device *dev = vap->iv_dev;
+ struct ieee80211vap *avp;
+
+ /* Drop all WDS links that belong to this vap */
+ while ((avp = TAILQ_FIRST(&vap->iv_wdslinks)) != NULL) {
+ ieee80211_stop(avp->iv_dev);
+ ic->ic_vap_delete(avp);
+ }
IEEE80211_CANCEL_TQUEUE(&vap->iv_stajoin1tq);
IEEE80211_LOCK_IRQ(ic);
- TAILQ_REMOVE(&ic->ic_vaps, vap, iv_next);
+ if (vap->iv_wdsnode)
+ ieee80211_unref_node(&vap->iv_wdsnode);
+ if ((vap->iv_opmode == IEEE80211_M_WDS) &&
+ (vap->iv_master != NULL))
+ TAILQ_REMOVE(&vap->iv_master->iv_wdslinks, vap, iv_wdsnext);
+ else
+ TAILQ_REMOVE(&ic->ic_vaps, vap, iv_next);
+
if (TAILQ_EMPTY(&ic->ic_vaps)) /* reset to supported mode */
ic->ic_opmode = IEEE80211_M_STA;
IEEE80211_UNLOCK_IRQ(ic);
--- a/net80211/ieee80211_ioctl.h
+++ b/net80211/ieee80211_ioctl.h
@@ -474,7 +474,7 @@
#define IEEE80211_IOC_DTIM_PERIOD 52 /* DTIM period (beacons) */
#define IEEE80211_IOC_BEACON_INTERVAL 53 /* beacon interval (ms) */
#define IEEE80211_IOC_ADDMAC 54 /* add sta to MAC ACL table */
-#define IEEE80211_IOC_DELMAC 55 /* del sta from MAC ACL table */
+#define IEEE80211_IOC_SETMAC 55 /* set interface wds mac addr */
#define IEEE80211_IOC_FF 56 /* ATH fast frames (on, off) */
#define IEEE80211_IOC_TURBOP 57 /* ATH turbo' (on, off) */
#define IEEE80211_IOC_APPIEBUF 58 /* IE in the management frame */
@@ -552,8 +552,8 @@
#define IEEE80211_IOCTL_HALMAP (SIOCIWFIRSTPRIV+21)
#define IEEE80211_IOCTL_ADDMAC (SIOCIWFIRSTPRIV+22)
#define IEEE80211_IOCTL_DELMAC (SIOCIWFIRSTPRIV+24)
-#define IEEE80211_IOCTL_WDSADDMAC (SIOCIWFIRSTPRIV+26)
-#define IEEE80211_IOCTL_WDSDELMAC (SIOCIWFIRSTPRIV+28)
+#define IEEE80211_IOCTL_WDSADDMAC (SIOCIWFIRSTPRIV+25)
+#define IEEE80211_IOCTL_WDSSETMAC (SIOCIWFIRSTPRIV+26)
#define IEEE80211_IOCTL_KICKMAC (SIOCIWFIRSTPRIV+30)
#define IEEE80211_IOCTL_SETSCANLIST (SIOCIWFIRSTPRIV+31)
--- a/net80211/ieee80211_linux.h
+++ b/net80211/ieee80211_linux.h
@@ -650,5 +650,5 @@
int ieee80211_ioctl_create_vap(struct ieee80211com *, struct ifreq *,
struct net_device *);
struct ieee80211vap *ieee80211_create_vap(struct ieee80211com *, char *,
- struct net_device *, int, int);
+ struct net_device *, int, int, struct ieee80211vap *);
#endif /* _NET80211_IEEE80211_LINUX_H_ */
--- a/net80211/ieee80211_var.h
+++ b/net80211/ieee80211_var.h
@@ -187,6 +187,12 @@
struct ieee80211_proc_entry *iv_proc_entries;
struct vlan_group *iv_vlgrp; /* vlan group state */
+ /* list of wds links */
+ TAILQ_HEAD(, ieee80211vap) iv_wdslinks;
+ TAILQ_ENTRY(ieee80211vap) iv_wdsnext;
+ struct ieee80211vap *iv_master;
+ struct ieee80211_node *iv_wdsnode;
+
TAILQ_ENTRY(ieee80211vap) iv_next; /* list of vap instances */
struct ieee80211com *iv_ic; /* back ptr to common state */
u_int32_t iv_debug; /* debug msg flags */
@@ -447,7 +453,7 @@
atomic_t ic_node_counter;
/* Virtual AP create/delete */
struct ieee80211vap *(*ic_vap_create)(struct ieee80211com *,
- const char *, int, int, struct net_device *);
+ const char *, int, int, struct net_device *, struct ieee80211vap *);
void (*ic_vap_delete)(struct ieee80211vap *);
/* Send/recv 802.11 management frame */
@@ -703,7 +709,7 @@
int ieee80211_ifattach(struct ieee80211com *);
void ieee80211_ifdetach(struct ieee80211com *);
int ieee80211_vap_setup(struct ieee80211com *, struct net_device *,
- const char *, int, int);
+ const char *, int, int, struct ieee80211vap *);
int ieee80211_vap_attach(struct ieee80211vap *, ifm_change_cb_t, ifm_stat_cb_t);
void ieee80211_vap_detach(struct ieee80211vap *);
void ieee80211_mark_dfs(struct ieee80211com *, struct ieee80211_channel *);
--- a/net80211/ieee80211_wireless.c
+++ b/net80211/ieee80211_wireless.c
@@ -2190,7 +2190,7 @@
ieee80211_scan_flush(ic); /* NB: could optimize */
if (!(xrvap = ic->ic_vap_create(ic, name, IEEE80211_M_HOSTAP,
- IEEE80211_VAP_XR | IEEE80211_CLONE_BSSID, dev)))
+ IEEE80211_VAP_XR | IEEE80211_CLONE_BSSID, dev, NULL)))
return;
/* We use iv_xrvap to link to the parent VAP as well */
@@ -3801,74 +3801,51 @@
return 0;
}
+#define WDSNAME ".wds%d"
static int
-ieee80211_ioctl_wdsmac(struct net_device *dev, struct iw_request_info *info,
+ieee80211_ioctl_wdsaddmac(struct net_device *dev, struct iw_request_info *info,
void *w, char *extra)
{
struct ieee80211vap *vap = dev->priv;
struct sockaddr *sa = (struct sockaddr *)extra;
+ struct ieee80211com *ic = vap->iv_ic;
+ struct ieee80211vap *avp;
+ char *name;
- if (!IEEE80211_ADDR_NULL(vap->wds_mac)) {
- printk("%s: Failed to add WDS MAC: " MAC_FMT "\n", dev->name,
- MAC_ADDR(sa->sa_data));
- printk("%s: Device already has WDS mac address attached,"
- " remove first\n", dev->name);
- return -1;
- }
-
- memcpy(vap->wds_mac, sa->sa_data, IEEE80211_ADDR_LEN);
-
- printk("%s: Added WDS MAC: " MAC_FMT "\n", dev->name,
- MAC_ADDR(vap->wds_mac));
+ name = kmalloc(strlen(vap->iv_dev->name) + sizeof(WDSNAME) + 1, GFP_KERNEL);
+ if (!name)
+ return -ENOMEM;
- if (IS_UP(vap->iv_dev)) {
- /* Force us back to scan state to force us to go back through RUN
- * state and create/pin the WDS peer node into memory. */
- return ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
- }
+ strcpy(name, vap->iv_dev->name);
+ strcat(name, WDSNAME);
+ avp = ieee80211_create_vap(ic, name, ic->ic_dev, IEEE80211_M_WDS, 0, vap);
+ kfree(name);
+ if (!avp)
+ return -ENOMEM;
+ memcpy(avp->wds_mac, sa->sa_data, IEEE80211_ADDR_LEN);
return 0;
}
+#undef WDSNAME
static int
-ieee80211_ioctl_wdsdelmac(struct net_device *dev, struct iw_request_info *info,
+ieee80211_ioctl_wdssetmac(struct net_device *dev, struct iw_request_info *info,
void *w, char *extra)
{
struct ieee80211vap *vap = dev->priv;
struct sockaddr *sa = (struct sockaddr *)extra;
- struct ieee80211com *ic = vap->iv_ic;
- struct ieee80211_node *wds_ni;
- /* WDS Mac address filed already? */
- if (IEEE80211_ADDR_NULL(vap->wds_mac))
- return 0;
+ if (vap->iv_opmode != IEEE80211_M_WDS)
+ return -EINVAL;
- /* Compare suplied MAC address with WDS MAC of this interface
- * remove when mac address is known
- */
- if (memcmp(vap->wds_mac, sa->sa_data, IEEE80211_ADDR_LEN) == 0) {
- if (IS_UP(vap->iv_dev)) {
- wds_ni = ieee80211_find_txnode(vap, vap->wds_mac);
- if (wds_ni != NULL) {
- /* Release reference created by find node */
- ieee80211_unref_node(&wds_ni);
- /* Release reference created by transition to RUN state,
- * [pinning peer node into the table] */
- ieee80211_unref_node(&wds_ni);
- }
- }
- memset(vap->wds_mac, 0x00, IEEE80211_ADDR_LEN);
- if (IS_UP(vap->iv_dev)) {
- /* This leaves a dead WDS node, until started again */
- return ic->ic_reset(ic->ic_dev);
- }
- return 0;
+ memcpy(vap->wds_mac, sa->sa_data, IEEE80211_ADDR_LEN);
+ if (IS_UP(vap->iv_dev)) {
+ /* Force us back to scan state to force us to go back through RUN
+ * state and create/pin the WDS peer node into memory. */
+ return ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
}
- printk("%s: WDS MAC address " MAC_FMT " is not known by this interface\n",
- dev->name, MAC_ADDR(sa->sa_data));
-
- return -1;
+ return 0;
}
/*
@@ -5391,8 +5368,8 @@
IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "kickmac"},
{ IEEE80211_IOCTL_WDSADDMAC,
IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0,"wds_add" },
- { IEEE80211_IOCTL_WDSDELMAC,
- IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0,"wds_del" },
+ { IEEE80211_IOCTL_WDSSETMAC,
+ IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0,"wds_set" },
{ IEEE80211_IOCTL_SETCHANLIST,
IW_PRIV_TYPE_CHANLIST | IW_PRIV_SIZE_FIXED, 0,"setchanlist" },
{ IEEE80211_IOCTL_GETCHANLIST,
@@ -5884,8 +5861,8 @@
#endif
set_priv(IEEE80211_IOCTL_ADDMAC, ieee80211_ioctl_addmac),
set_priv(IEEE80211_IOCTL_DELMAC, ieee80211_ioctl_delmac),
- set_priv(IEEE80211_IOCTL_WDSADDMAC, ieee80211_ioctl_wdsmac),
- set_priv(IEEE80211_IOCTL_WDSDELMAC, ieee80211_ioctl_wdsdelmac),
+ set_priv(IEEE80211_IOCTL_WDSADDMAC, ieee80211_ioctl_wdsaddmac),
+ set_priv(IEEE80211_IOCTL_WDSSETMAC, ieee80211_ioctl_wdssetmac),
set_priv(IEEE80211_IOCTL_KICKMAC, ieee80211_ioctl_kickmac),
set_priv(IEEE80211_IOCTL_SETSCANLIST, ieee80211_ioctl_setscanlist),
#ifdef ATH_REVERSE_ENGINEERING
@@ -5956,7 +5933,7 @@
strncpy(name, cp.icp_name, sizeof(name));
- vap = ieee80211_create_vap(ic, name, mdev, cp.icp_opmode, cp.icp_flags);
+ vap = ieee80211_create_vap(ic, name, mdev, cp.icp_opmode, cp.icp_flags, NULL);
if (vap == NULL)
return -EIO;
@@ -5973,9 +5950,9 @@
*/
struct ieee80211vap*
ieee80211_create_vap(struct ieee80211com *ic, char *name,
- struct net_device *mdev, int opmode, int opflags)
+ struct net_device *mdev, int opmode, int opflags, struct ieee80211vap *master)
{
- return ic->ic_vap_create(ic, name, opmode, opflags, mdev);
+ return ic->ic_vap_create(ic, name, opmode, opflags, mdev, master);
}
EXPORT_SYMBOL(ieee80211_create_vap);
--- a/net80211/ieee80211_input.c
+++ b/net80211/ieee80211_input.c
@@ -201,6 +201,7 @@
struct ieee80211_node * ni = ni_or_null;
struct ieee80211com *ic = vap->iv_ic;
struct net_device *dev = vap->iv_dev;
+ struct ieee80211_node *ni_wds = NULL;
struct ieee80211_frame *wh;
struct ieee80211_key *key;
struct ether_header *eh;
@@ -545,11 +546,29 @@
* the node table for the packet source address (addr4).
* If not, add one.
*/
- /* XXX: Useless node mgmt API; make better */
+
+ /* check for wds link first */
if (dir == IEEE80211_FC1_DIR_DSTODS) {
- struct ieee80211_node_table *nt;
+ struct ieee80211vap *avp;
+
+ TAILQ_FOREACH(avp, &vap->iv_wdslinks, iv_wdsnext) {
+ if (!memcmp(avp->wds_mac, wh->i_addr2, IEEE80211_ADDR_LEN)) {
+ IEEE80211_LOCK_IRQ(ni->ni_ic);
+ ni_wds = avp->iv_wdsnode;
+ IEEE80211_UNLOCK_IRQ(ni->ni_ic);
+ break;
+ }
+ }
+ if (ni_wds != NULL) {
+ ieee80211_unref_node(&ni);
+ ni = ieee80211_ref_node(ni_wds);
+ }
+ }
+
+ /* XXX: Useless node mgmt API; make better */
+ if ((dir == IEEE80211_FC1_DIR_DSTODS) && !ni_wds) {
+ struct ieee80211_node_table *nt = &ic->ic_sta;
struct ieee80211_frame_addr4 *wh4;
- struct ieee80211_node *ni_wds;
if (!(vap->iv_flags_ext & IEEE80211_FEXT_WDS)) {
IEEE80211_DISCARD(vap, IEEE80211_MSG_INPUT,
@@ -557,7 +576,6 @@
goto err;
}
wh4 = (struct ieee80211_frame_addr4 *)skb->data;
- nt = &ic->ic_sta;
ni_wds = ieee80211_find_wds_node(nt, wh4->i_addr4);
/* Last call increments ref count if !NULL */
if ((ni_wds != NULL) && (ni_wds != ni)) {
@@ -3084,8 +3102,7 @@
(vap->iv_opmode == IEEE80211_M_STA && ni->ni_associd) ||
(vap->iv_opmode == IEEE80211_M_IBSS) ||
((subtype == IEEE80211_FC0_SUBTYPE_BEACON) &&
- (vap->iv_opmode == IEEE80211_M_HOSTAP) &&
- (ic->ic_protmode != IEEE80211_PROT_NONE)))) {
+ (vap->iv_opmode == IEEE80211_M_HOSTAP)))) {
vap->iv_stats.is_rx_mgtdiscard++;
return;
}
@@ -3471,13 +3488,53 @@
*/
if (ic->ic_flags & IEEE80211_F_SCAN) {
ieee80211_add_scan(vap, &scan, wh, subtype, rssi, rtsf);
- return;
}
- if ((vap->iv_opmode == IEEE80211_M_IBSS) &&
- (scan.capinfo & IEEE80211_CAPINFO_IBSS)) {
+ /* NB: Behavior of WDS-Link and Ad-Hoc is very similar here:
+ * When we receive a beacon that belongs to the AP that we're
+ * connected to, use it to refresh the local node info.
+ * If no node is found, go through the vap's wds link table
+ * and try to find the sub-vap that is interested in this address
+ */
+ if (((vap->iv_opmode == IEEE80211_M_IBSS) &&
+ (scan.capinfo & IEEE80211_CAPINFO_IBSS)) ||
+ (((vap->iv_opmode == IEEE80211_M_HOSTAP) ||
+ (vap->iv_opmode == IEEE80211_M_WDS)) &&
+ (scan.capinfo & IEEE80211_CAPINFO_ESS))) {
+ struct ieee80211vap *avp = NULL;
+
+ IEEE80211_LOCK_IRQ(vap->iv_ic);
+ if (vap->iv_opmode == IEEE80211_M_HOSTAP) {
+ int found = 0;
+
+ TAILQ_FOREACH(avp, &vap->iv_wdslinks, iv_wdsnext) {
+ if (!memcmp(avp->wds_mac, wh->i_addr2, IEEE80211_ADDR_LEN)) {
+ found = 1;
+ break;
+ }
+ }
+ if (found) {
+ if (!avp->iv_wdsnode)
+ break;
+ ni = ni_or_null = avp->iv_wdsnode;
+ } else {
+ avp = NULL;
+ }
+ }
+ IEEE80211_UNLOCK_IRQ(vap->iv_ic);
+
+
if (ni_or_null == NULL) {
- /* Create a new entry in the neighbor table. */
- ni = ieee80211_add_neighbor(vap, wh, &scan);
+ if (avp) {
+ IEEE80211_LOCK_IRQ(ic);
+ ni = ieee80211_add_neighbor(avp, wh, &scan);
+ /* force assoc */
+ ni->ni_associd |= 0xc000;
+ avp->iv_wdsnode = ieee80211_ref_node(ni);
+ IEEE80211_UNLOCK_IRQ(ic);
+ } else if (vap->iv_opmode == IEEE80211_M_IBSS) {
+ /* Create a new entry in the neighbor table. */
+ ni = ieee80211_add_neighbor(vap, wh, &scan);
+ }
} else {
/*
* Copy data from beacon to neighbor table.
@@ -3490,6 +3547,7 @@
IEEE80211_ADDR_COPY(ni->ni_bssid, wh->i_addr3);
memcpy(ni->ni_tstamp.data, scan.tstamp,
sizeof(ni->ni_tstamp));
+ ni->ni_inact = ni->ni_inact_reload;
ni->ni_intval =
IEEE80211_BINTVAL_SANITISE(scan.bintval);
ni->ni_capinfo = scan.capinfo;
--- a/net80211/ieee80211_node.c
+++ b/net80211/ieee80211_node.c
@@ -1553,22 +1553,24 @@
((wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) == IEEE80211_FC0_SUBTYPE_PS_POLL)
struct ieee80211_node_table *nt;
struct ieee80211_node *ni;
+ u_int8_t *addr;
+
+ if (IS_CTL(wh) && !IS_PSPOLL(wh) /*&& !IS_RTS(ah)*/)
+ addr = wh->i_addr1;
+ else
+ addr = wh->i_addr2;
+
+ if (IEEE80211_IS_MULTICAST(addr))
+ return NULL;
/* XXX check ic_bss first in station mode */
/* XXX 4-address frames? */
nt = &ic->ic_sta;
IEEE80211_NODE_TABLE_LOCK_IRQ(nt);
- if (IS_CTL(wh) && !IS_PSPOLL(wh) /*&& !IS_RTS(ah)*/)
#ifdef IEEE80211_DEBUG_REFCNT
- ni = ieee80211_find_node_locked_debug(nt, wh->i_addr1, func, line);
+ ni = ieee80211_find_node_locked_debug(nt, addr, func, line);
#else
- ni = ieee80211_find_node_locked(nt, wh->i_addr1);
-#endif
- else
-#ifdef IEEE80211_DEBUG_REFCNT
- ni = ieee80211_find_node_locked_debug(nt, wh->i_addr2, func, line);
-#else
- ni = ieee80211_find_node_locked(nt, wh->i_addr2);
+ ni = ieee80211_find_node_locked(nt, addr);
#endif
IEEE80211_NODE_TABLE_UNLOCK_IRQ(nt);
@@ -1669,6 +1671,11 @@
{
struct ieee80211vap *vap = ni->ni_vap;
+ IEEE80211_LOCK_IRQ(ni->ni_ic);
+ if (vap && ni == vap->iv_wdsnode)
+ vap->iv_wdsnode = NULL;
+ IEEE80211_UNLOCK_IRQ(ni->ni_ic);
+
atomic_dec(&ni->ni_ic->ic_node_counter);
node_print_message(IEEE80211_MSG_NODE|IEEE80211_MSG_NODE_REF,
1 /* show counter */,
@@ -1781,22 +1788,6 @@
jiffies > ni->ni_rxfragstamp + HZ) {
ieee80211_dev_kfree_skb(&ni->ni_rxfrag);
}
- /*
- * Special case ourself; we may be idle for extended periods
- * of time and regardless reclaiming our state is wrong.
- * Special case a WDS link: it may be dead or idle, but it is
- * never ok to reclaim it, as this will block transmissions
- * and nobody will recreate the node when the WDS peer is
- * available again. */
- if ((ni == ni->ni_vap->iv_bss) ||
- (ni->ni_vap->iv_opmode == IEEE80211_M_WDS &&
- !memcmp(ni->ni_macaddr, ni->ni_vap->wds_mac, ETH_ALEN)))
- {
- /* NB: don't permit it to go negative */
- if (ni->ni_inact > 0)
- ni->ni_inact--;
- continue;
- }
ni->ni_inact--;
if (ni->ni_associd != 0 || isadhoc) {
struct ieee80211vap *vap = ni->ni_vap;
--- a/net80211/ieee80211_output.c
+++ b/net80211/ieee80211_output.c
@@ -246,10 +246,16 @@
* things like power save.
*/
eh = (struct ether_header *)skb->data;
- if (vap->iv_opmode == IEEE80211_M_WDS)
- ni = ieee80211_find_txnode(vap, vap->wds_mac);
- else
+ if (vap->iv_opmode == IEEE80211_M_WDS) {
+ IEEE80211_LOCK_IRQ(ic);
+ ni = vap->iv_wdsnode;
+ IEEE80211_UNLOCK_IRQ(ic);
+ if (!ni)
+ goto bad;
+ ni = ieee80211_ref_node(vap->iv_wdsnode);
+ } else {
ni = ieee80211_find_txnode(vap, eh->ether_dhost);
+ }
if (ni == NULL) {
/* NB: ieee80211_find_txnode does stat+msg */
goto bad;
@@ -788,7 +794,7 @@
break;
case IEEE80211_M_WDS:
use4addr = 1;
- ismulticast = IEEE80211_IS_MULTICAST(ni->ni_macaddr);
+ ismulticast = 0;
break;
case IEEE80211_M_HOSTAP:
if (!IEEE80211_IS_MULTICAST(eh.ether_dhost) &&
@@ -973,7 +979,7 @@
break;
case IEEE80211_M_WDS:
wh->i_fc[1] = IEEE80211_FC1_DIR_DSTODS;
- IEEE80211_ADDR_COPY(wh->i_addr1, ni->ni_macaddr);
+ IEEE80211_ADDR_COPY(wh->i_addr1, vap->wds_mac);
IEEE80211_ADDR_COPY(wh->i_addr2, vap->iv_myaddr);
IEEE80211_ADDR_COPY(wh->i_addr3, eh.ether_dhost);
IEEE80211_ADDR_COPY(WH4(wh)->i_addr4, eh.ether_shost);
--- a/tools/athkey.c
+++ b/tools/athkey.c
@@ -118,7 +118,7 @@
IOCTL_ERR(IEEE80211_IOCTL_ADDMAC),
IOCTL_ERR(IEEE80211_IOCTL_DELMAC),
IOCTL_ERR(IEEE80211_IOCTL_WDSADDMAC),
- IOCTL_ERR(IEEE80211_IOCTL_WDSDELMAC),
+ IOCTL_ERR(IEEE80211_IOCTL_WDSSETMAC),
IOCTL_ERR(IEEE80211_IOCTL_READREG),
IOCTL_ERR(IEEE80211_IOCTL_WRITEREG),
};
--- a/tools/athchans.c
+++ b/tools/athchans.c
@@ -118,7 +118,7 @@
IOCTL_ERR(IEEE80211_IOCTL_ADDMAC),
IOCTL_ERR(IEEE80211_IOCTL_DELMAC),
IOCTL_ERR(IEEE80211_IOCTL_WDSADDMAC),
- IOCTL_ERR(IEEE80211_IOCTL_WDSDELMAC),
+ IOCTL_ERR(IEEE80211_IOCTL_WDSSETMAC),
IOCTL_ERR(IEEE80211_IOCTL_READREG),
IOCTL_ERR(IEEE80211_IOCTL_WRITEREG),
};
--- a/tools/wlanconfig.c
+++ b/tools/wlanconfig.c
@@ -968,7 +968,7 @@
IOCTL_ERR(IEEE80211_IOCTL_ADDMAC),
IOCTL_ERR(IEEE80211_IOCTL_DELMAC),
IOCTL_ERR(IEEE80211_IOCTL_WDSADDMAC),
- IOCTL_ERR(IEEE80211_IOCTL_WDSDELMAC),
+ IOCTL_ERR(IEEE80211_IOCTL_WDSSETMAC),
IOCTL_ERR(IEEE80211_IOCTL_READREG),
IOCTL_ERR(IEEE80211_IOCTL_WRITEREG),
};
--- a/net80211/ieee80211_proto.c
+++ b/net80211/ieee80211_proto.c
@@ -1557,57 +1557,12 @@
switch (ostate) {
case IEEE80211_S_INIT:
if (vap->iv_opmode == IEEE80211_M_MONITOR ||
- vap->iv_opmode == IEEE80211_M_WDS ||
vap->iv_opmode == IEEE80211_M_HOSTAP) {
/*
* Already have a channel; bypass the
* scan and startup immediately.
*/
ieee80211_create_ibss(vap, ic->ic_curchan);
-
- /* In WDS mode, allocate and initialize peer node. */
- if (vap->iv_opmode == IEEE80211_M_WDS) {
- /* XXX: This is horribly non-atomic. */
- struct ieee80211_node *wds_ni =
- ieee80211_find_node(&ic->ic_sta,
- vap->wds_mac);
-
- if (wds_ni == NULL) {
- wds_ni = ieee80211_alloc_node_table(
- vap,
- vap->wds_mac);
- if (wds_ni != NULL) {
- ieee80211_add_wds_addr(
- &ic->ic_sta,
- wds_ni,
- vap->wds_mac,
- 1);
- ieee80211_ref_node(wds_ni); /* pin in memory */
- }
- else
- IEEE80211_DPRINTF(
- vap,
- IEEE80211_MSG_NODE,
- "%s: Unable to "
- "allocate node for "
- "WDS: " MAC_FMT "\n",
- __func__,
- MAC_ADDR(
- vap->wds_mac)
- );
- }
-
- if (wds_ni != NULL) {
- ieee80211_node_authorize(wds_ni);
- wds_ni->ni_chan =
- vap->iv_bss->ni_chan;
- wds_ni->ni_capinfo =
- ni->ni_capinfo;
- wds_ni->ni_associd = 1;
- wds_ni->ni_ath_flags =
- vap->iv_ath_cap;
- }
- }
break;
}
/* fall thru... */
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