mac80211: make debugfs files root-only

[linux-2.6-omap-h63xx.git] / net / mac80211 / ieee80211_iface.c

diff --git a/net/mac80211/ieee80211_iface.c b/net/mac80211/ieee80211_iface.c
index 92f1eb2da31152dfc0bdd35e5f5cb9dfb7ccc1dc..80954a512185ca66ab65bbc087bce1b8f3a0b743 100644 (file)
--- a/net/mac80211/ieee80211_iface.c
+++ b/net/mac80211/ieee80211_iface.c
@@ -15,6 +15,7 @@
 #include "ieee80211_i.h"
 #include "sta_info.h"
 #include "debugfs_netdev.h"
+#include "mesh.h"
 
 void ieee80211_if_sdata_init(struct ieee80211_sub_if_data *sdata)
 {
@@ -39,7 +40,8 @@ static void ieee80211_if_sdata_deinit(struct ieee80211_sub_if_data *sdata)
 
 /* Must be called with rtnl lock held. */
 int ieee80211_if_add(struct net_device *dev, const char *name,
-                    struct net_device **new_dev, int type)
+                    struct net_device **new_dev, int type,
+                    struct vif_params *params)
 {
        struct net_device *ndev;
        struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
@@ -78,6 +80,12 @@ int ieee80211_if_add(struct net_device *dev, const char *name,
        ieee80211_debugfs_add_netdev(sdata);
        ieee80211_if_set_type(ndev, type);
 
+       if (ieee80211_vif_is_mesh(&sdata->vif) &&
+           params && params->mesh_id_len)
+               ieee80211_if_sta_set_mesh_id(&sdata->u.sta,
+                                            params->mesh_id_len,
+                                            params->mesh_id);
+
        /* we're under RTNL so all this is fine */
        if (unlikely(local->reg_state == IEEE80211_DEV_UNREGISTERED)) {
                __ieee80211_if_del(local, sdata);
@@ -118,6 +126,8 @@ void ieee80211_if_set_type(struct net_device *dev, int type)
        sdata->bss = NULL;
        sdata->vif.type = type;
 
+       sdata->basic_rates = 0;
+
        switch (type) {
        case IEEE80211_IF_TYPE_WDS:
                /* nothing special */
@@ -132,6 +142,7 @@ void ieee80211_if_set_type(struct net_device *dev, int type)
                sdata->bss = &sdata->u.ap;
                INIT_LIST_HEAD(&sdata->u.ap.vlans);
                break;
+       case IEEE80211_IF_TYPE_MESH_POINT:
        case IEEE80211_IF_TYPE_STA:
        case IEEE80211_IF_TYPE_IBSS: {
                struct ieee80211_sub_if_data *msdata;
@@ -153,15 +164,20 @@ void ieee80211_if_set_type(struct net_device *dev, int type)
 
                msdata = IEEE80211_DEV_TO_SUB_IF(sdata->local->mdev);
                sdata->bss = &msdata->u.ap;
+
+               if (ieee80211_vif_is_mesh(&sdata->vif))
+                       ieee80211_mesh_init_sdata(sdata);
                break;
        }
        case IEEE80211_IF_TYPE_MNTR:
                dev->type = ARPHRD_IEEE80211_RADIOTAP;
                dev->hard_start_xmit = ieee80211_monitor_start_xmit;
+               sdata->u.mntr_flags = MONITOR_FLAG_CONTROL |
+                                     MONITOR_FLAG_OTHER_BSS;
                break;
        default:
                printk(KERN_WARNING "%s: %s: Unknown interface type 0x%x",
-                      dev->name, __FUNCTION__, type);
+                      dev->name, __func__, type);
        }
        ieee80211_debugfs_change_if_type(sdata, oldtype);
 }
@@ -171,8 +187,8 @@ void ieee80211_if_reinit(struct net_device *dev)
 {
        struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-       struct sta_info *sta;
        struct sk_buff *skb;
+       int flushed;
 
        ASSERT_RTNL();
 
@@ -180,6 +196,10 @@ void ieee80211_if_reinit(struct net_device *dev)
 
        ieee80211_if_sdata_deinit(sdata);
 
+       /* Need to handle mesh specially to allow eliding the function call */
+       if (ieee80211_vif_is_mesh(&sdata->vif))
+               mesh_rmc_free(dev);
+
        switch (sdata->vif.type) {
        case IEEE80211_IF_TYPE_INVALID:
                /* cannot happen */
@@ -189,6 +209,7 @@ void ieee80211_if_reinit(struct net_device *dev)
                /* Remove all virtual interfaces that use this BSS
                 * as their sdata->bss */
                struct ieee80211_sub_if_data *tsdata, *n;
+               struct beacon_data *beacon;
 
                list_for_each_entry_safe(tsdata, n, &local->interfaces, list) {
                        if (tsdata != sdata && tsdata->bss == &sdata->u.ap) {
@@ -206,7 +227,10 @@ void ieee80211_if_reinit(struct net_device *dev)
                        }
                }
 
-               kfree(sdata->u.ap.beacon);
+               beacon = sdata->u.ap.beacon;
+               rcu_assign_pointer(sdata->u.ap.beacon, NULL);
+               synchronize_rcu();
+               kfree(beacon);
 
                while ((skb = skb_dequeue(&sdata->u.ap.ps_bc_buf))) {
                        local->total_ps_buffered--;
@@ -216,17 +240,9 @@ void ieee80211_if_reinit(struct net_device *dev)
                break;
        }
        case IEEE80211_IF_TYPE_WDS:
-               sta = sta_info_get(local, sdata->u.wds.remote_addr);
-               if (sta) {
-                       sta_info_free(sta);
-                       sta_info_put(sta);
-               } else {
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
-                       printk(KERN_DEBUG "%s: Someone had deleted my STA "
-                              "entry for the WDS link\n", dev->name);
-#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
-               }
+               /* nothing to do */
                break;
+       case IEEE80211_IF_TYPE_MESH_POINT:
        case IEEE80211_IF_TYPE_STA:
        case IEEE80211_IF_TYPE_IBSS:
                kfree(sdata->u.sta.extra_ie);
@@ -249,8 +265,8 @@ void ieee80211_if_reinit(struct net_device *dev)
                break;
        }
 
-       /* remove all STAs that are bound to this virtual interface */
-       sta_info_flush(local, dev);
+       flushed = sta_info_flush(local, sdata);
+       WARN_ON(flushed);
 
        memset(&sdata->u, 0, sizeof(sdata->u));
        ieee80211_if_sdata_init(sdata);