Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (27 commits)
  pktgen: make sure that pktgen_thread_worker has been executed
  [VLAN]: Propagate selected feature bits to VLAN devices
  drivers/atm/: remove CVS keywords
  vlan: Correctly handle device notifications for layered VLAN devices
  net: Fix call to ->change_rx_flags(dev, IFF_MULTICAST) in dev_change_flags()
  net_sched: cls_api: fix return value for non-existant classifiers
  ipsec: Use the correct ip_local_out function
  ipv6 addrconf: Allow infinite prefix lifetime.
  ipv6 route: Fix lifetime in netlink.
  ipv6 addrconf: Fix route lifetime setting in corner case.
  ndisc: Add missing strategies for per-device retrans timer/reachable time settings.
  ipv6: Move <linux/in6.h> from header-y to unifdef-y.
  l2tp: avoid skb truesize bug if headroom is increased
  wireless: Create 'device' symlink in sysfs
  wireless, airo: waitbusy() won't delay
  libertas: fix command timeout after firmware failure
  mac80211: Add RTNL version of ieee80211_iterate_active_interfaces
  mac80211 : Association with 11n hidden ssid ap.
  hostap: fix "registers" registration in procfs
  isdn/capi: Return proper errnos on module init.
  ...

12 files changed, 153 insertions, 50 deletions

diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index 2a739adaa92..51961300b58 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -382,6 +382,24 @@ static void vlan_sync_address(struct net_device *dev,
 	memcpy(vlan->real_dev_addr, dev->dev_addr, ETH_ALEN);
 }
 
+static void vlan_transfer_features(struct net_device *dev,
+				   struct net_device *vlandev)
+{
+	unsigned long old_features = vlandev->features;
+
+	if (dev->features & NETIF_F_VLAN_TSO) {
+		vlandev->features &= ~VLAN_TSO_FEATURES;
+		vlandev->features |= dev->features & VLAN_TSO_FEATURES;
+	}
+	if (dev->features & NETIF_F_VLAN_CSUM) {
+		vlandev->features &= ~NETIF_F_ALL_CSUM;
+		vlandev->features |= dev->features & NETIF_F_ALL_CSUM;
+	}
+
+	if (old_features != vlandev->features)
+		netdev_features_change(vlandev);
+}
+
 static void __vlan_device_event(struct net_device *dev, unsigned long event)
 {
 	switch (event) {
@@ -410,10 +428,8 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event,
 	int i, flgs;
 	struct net_device *vlandev;
 
-	if (is_vlan_dev(dev)) {
+	if (is_vlan_dev(dev))
 		__vlan_device_event(dev, event);
-		goto out;
-	}
 
 	grp = __vlan_find_group(dev);
 	if (!grp)
@@ -450,6 +466,18 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event,
 		}
 		break;
 
+	case NETDEV_FEAT_CHANGE:
+		/* Propagate device features to underlying device */
+		for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
+			vlandev = vlan_group_get_device(grp, i);
+			if (!vlandev)
+				continue;
+
+			vlan_transfer_features(dev, vlandev);
+		}
+
+		break;
+
 	case NETDEV_DOWN:
 		/* Put all VLANs for this dev in the down state too.  */
 		for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
diff --git a/net/8021q/vlan.h b/net/8021q/vlan.h
index 5229a72c7ea..79625696e86 100644
--- a/net/8021q/vlan.h
+++ b/net/8021q/vlan.h
@@ -7,6 +7,8 @@
 #define VLAN_GRP_HASH_SIZE	(1 << VLAN_GRP_HASH_SHIFT)
 #define VLAN_GRP_HASH_MASK	(VLAN_GRP_HASH_SIZE - 1)
 
+#define VLAN_TSO_FEATURES	(NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_SG)
+
 /*  Find a VLAN device by the MAC address of its Ethernet device, and
  *  it's VLAN ID.  The default configuration is to have VLAN's scope
  *  to be box-wide, so the MAC will be ignored.  The mac will only be
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index c961f082600..b1cfbaa88db 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -663,6 +663,11 @@ static int vlan_dev_init(struct net_device *dev)
 					  (1<<__LINK_STATE_DORMANT))) |
 		      (1<<__LINK_STATE_PRESENT);
 
+	if (real_dev->features & NETIF_F_VLAN_TSO)
+		dev->features |= real_dev->features & VLAN_TSO_FEATURES;
+	if (real_dev->features & NETIF_F_VLAN_CSUM)
+		dev->features |= real_dev->features & NETIF_F_ALL_CSUM;
+
 	/* ipv6 shared card related stuff */
 	dev->dev_id = real_dev->dev_id;
 
diff --git a/net/core/dev.c b/net/core/dev.c
index a1607bc0cd4..58296307787 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -903,7 +903,11 @@ int dev_change_name(struct net_device *dev, char *newname)
 		strlcpy(dev->name, newname, IFNAMSIZ);
 
 rollback:
-	device_rename(&dev->dev, dev->name);
+	err = device_rename(&dev->dev, dev->name);
+	if (err) {
+		memcpy(dev->name, oldname, IFNAMSIZ);
+		return err;
+	}
 
 	write_lock_bh(&dev_base_lock);
 	hlist_del(&dev->name_hlist);
@@ -3137,7 +3141,7 @@ int dev_change_flags(struct net_device *dev, unsigned flags)
 	 *	Load in the correct multicast list now the flags have changed.
 	 */
 
-	if (dev->change_rx_flags && (dev->flags ^ flags) & IFF_MULTICAST)
+	if (dev->change_rx_flags && (old_flags ^ flags) & IFF_MULTICAST)
 		dev->change_rx_flags(dev, IFF_MULTICAST);
 
 	dev_set_rx_mode(dev);
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 8dca2111049..fdf537707e5 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -390,6 +390,7 @@ struct pktgen_thread {
 	int cpu;
 
 	wait_queue_head_t queue;
+	struct completion start_done;
 };
 
 #define REMOVE 1
@@ -3414,6 +3415,7 @@ static int pktgen_thread_worker(void *arg)
 	BUG_ON(smp_processor_id() != cpu);
 
 	init_waitqueue_head(&t->queue);
+	complete(&t->start_done);
 
 	pr_debug("pktgen: starting pktgen/%d:  pid=%d\n", cpu, task_pid_nr(current));
 
@@ -3615,6 +3617,7 @@ static int __init pktgen_create_thread(int cpu)
 	INIT_LIST_HEAD(&t->if_list);
 
 	list_add_tail(&t->th_list, &pktgen_threads);
+	init_completion(&t->start_done);
 
 	p = kthread_create(pktgen_thread_worker, t, "kpktgend_%d", cpu);
 	if (IS_ERR(p)) {
@@ -3639,6 +3642,7 @@ static int __init pktgen_create_thread(int cpu)
 	}
 
 	wake_up_process(p);
+	wait_for_completion(&t->start_done);
 
 	return 0;
 }
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 92f90ae46f4..df41026b60d 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -160,7 +160,7 @@ static struct dst_ops ipv4_dst_ops = {
 	.negative_advice =	ipv4_negative_advice,
 	.link_failure =		ipv4_link_failure,
 	.update_pmtu =		ip_rt_update_pmtu,
-	.local_out =		ip_local_out,
+	.local_out =		__ip_local_out,
 	.entry_size =		sizeof(struct rtable),
 	.entries =		ATOMIC_INIT(0),
 };
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index e591e09e5e4..3a835578fd1 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -1764,14 +1764,16 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len)
 	 *	2) Configure prefixes with the auto flag set
 	 */
 
-	/* Avoid arithmetic overflow. Really, we could
-	   save rt_expires in seconds, likely valid_lft,
-	   but it would require division in fib gc, that it
-	   not good.
-	 */
-	if (valid_lft >= 0x7FFFFFFF/HZ)
+	if (valid_lft == INFINITY_LIFE_TIME)
+		rt_expires = ~0UL;
+	else if (valid_lft >= 0x7FFFFFFF/HZ) {
+		/* Avoid arithmetic overflow. Really, we could
+		 * save rt_expires in seconds, likely valid_lft,
+		 * but it would require division in fib gc, that it
+		 * not good.
+		 */
 		rt_expires = 0x7FFFFFFF - (0x7FFFFFFF % HZ);
-	else
+	} else
 		rt_expires = valid_lft * HZ;
 
 	/*
@@ -1779,7 +1781,7 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len)
 	 * Avoid arithmetic overflow there as well.
 	 * Overflow can happen only if HZ < USER_HZ.
 	 */
-	if (HZ < USER_HZ && rt_expires > 0x7FFFFFFF / USER_HZ)
+	if (HZ < USER_HZ && ~rt_expires && rt_expires > 0x7FFFFFFF / USER_HZ)
 		rt_expires = 0x7FFFFFFF / USER_HZ;
 
 	if (pinfo->onlink) {
@@ -1788,17 +1790,28 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len)
 				dev->ifindex, 1);
 
 		if (rt && ((rt->rt6i_flags & (RTF_GATEWAY | RTF_DEFAULT)) == 0)) {
-			if (rt->rt6i_flags&RTF_EXPIRES) {
-				if (valid_lft == 0) {
-					ip6_del_rt(rt);
-					rt = NULL;
-				} else {
-					rt->rt6i_expires = jiffies + rt_expires;
-				}
+			/* Autoconf prefix route */
+			if (valid_lft == 0) {
+				ip6_del_rt(rt);
+				rt = NULL;
+			} else if (~rt_expires) {
+				/* not infinity */
+				rt->rt6i_expires = jiffies + rt_expires;
+				rt->rt6i_flags |= RTF_EXPIRES;
+			} else {
+				rt->rt6i_flags &= ~RTF_EXPIRES;
+				rt->rt6i_expires = 0;
 			}
 		} else if (valid_lft) {
+			int flags = RTF_ADDRCONF | RTF_PREFIX_RT;
+			clock_t expires = 0;
+			if (~rt_expires) {
+				/* not infinity */
+				flags |= RTF_EXPIRES;
+				expires = jiffies_to_clock_t(rt_expires);
+			}
 			addrconf_prefix_route(&pinfo->prefix, pinfo->prefix_len,
-					      dev, jiffies_to_clock_t(rt_expires), RTF_ADDRCONF|RTF_EXPIRES|RTF_PREFIX_RT);
+					      dev, expires, flags);
 		}
 		if (rt)
 			dst_release(&rt->u.dst);
@@ -2021,7 +2034,8 @@ static int inet6_addr_add(struct net *net, int ifindex, struct in6_addr *pfx,
 	struct inet6_dev *idev;
 	struct net_device *dev;
 	int scope;
-	u32 flags = RTF_EXPIRES;
+	u32 flags;
+	clock_t expires;
 
 	ASSERT_RTNL();
 
@@ -2041,8 +2055,13 @@ static int inet6_addr_add(struct net *net, int ifindex, struct in6_addr *pfx,
 	if (valid_lft == INFINITY_LIFE_TIME) {
 		ifa_flags |= IFA_F_PERMANENT;
 		flags = 0;
-	} else if (valid_lft >= 0x7FFFFFFF/HZ)
-		valid_lft = 0x7FFFFFFF/HZ;
+		expires = 0;
+	} else {
+		if (valid_lft >= 0x7FFFFFFF/HZ)
+			valid_lft = 0x7FFFFFFF/HZ;
+		flags = RTF_EXPIRES;
+		expires = jiffies_to_clock_t(valid_lft * HZ);
+	}
 
 	if (prefered_lft == 0)
 		ifa_flags |= IFA_F_DEPRECATED;
@@ -2060,7 +2079,7 @@ static int inet6_addr_add(struct net *net, int ifindex, struct in6_addr *pfx,
 		spin_unlock_bh(&ifp->lock);
 
 		addrconf_prefix_route(&ifp->addr, ifp->prefix_len, dev,
-				      jiffies_to_clock_t(valid_lft * HZ), flags);
+				      expires, flags);
 		/*
 		 * Note that section 3.1 of RFC 4429 indicates
 		 * that the Optimistic flag should not be set for
@@ -3148,7 +3167,8 @@ inet6_rtm_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
 static int inet6_addr_modify(struct inet6_ifaddr *ifp, u8 ifa_flags,
 			     u32 prefered_lft, u32 valid_lft)
 {
-	u32 flags = RTF_EXPIRES;
+	u32 flags;
+	clock_t expires;
 
 	if (!valid_lft || (prefered_lft > valid_lft))
 		return -EINVAL;
@@ -3156,8 +3176,13 @@ static int inet6_addr_modify(struct inet6_ifaddr *ifp, u8 ifa_flags,
 	if (valid_lft == INFINITY_LIFE_TIME) {
 		ifa_flags |= IFA_F_PERMANENT;
 		flags = 0;
-	} else if (valid_lft >= 0x7FFFFFFF/HZ)
-		valid_lft = 0x7FFFFFFF/HZ;
+		expires = 0;
+	} else {
+		if (valid_lft >= 0x7FFFFFFF/HZ)
+			valid_lft = 0x7FFFFFFF/HZ;
+		flags = RTF_EXPIRES;
+		expires = jiffies_to_clock_t(valid_lft * HZ);
+	}
 
 	if (prefered_lft == 0)
 		ifa_flags |= IFA_F_DEPRECATED;
@@ -3176,7 +3201,7 @@ static int inet6_addr_modify(struct inet6_ifaddr *ifp, u8 ifa_flags,
 		ipv6_ifa_notify(0, ifp);
 
 	addrconf_prefix_route(&ifp->addr, ifp->prefix_len, ifp->idev->dev,
-			      jiffies_to_clock_t(valid_lft * HZ), flags);
+			      expires, flags);
 	addrconf_verify(0);
 
 	return 0;
@@ -4242,7 +4267,7 @@ static void addrconf_sysctl_register(struct inet6_dev *idev)
 	neigh_sysctl_register(idev->dev, idev->nd_parms, NET_IPV6,
 			      NET_IPV6_NEIGH, "ipv6",
 			      &ndisc_ifinfo_sysctl_change,
-			      NULL);
+			      ndisc_ifinfo_sysctl_strategy);
 	__addrconf_sysctl_register(dev_net(idev->dev), idev->dev->name,
 			idev->dev->ifindex, idev, &idev->cnf);
 }
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index a55fc05b812..282fdb31f8e 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -1727,10 +1727,10 @@ int ndisc_ifinfo_sysctl_change(struct ctl_table *ctl, int write, struct file * f
 	return ret;
 }
 
-static int ndisc_ifinfo_sysctl_strategy(ctl_table *ctl, int __user *name,
-					int nlen, void __user *oldval,
-					size_t __user *oldlenp,
-					void __user *newval, size_t newlen)
+int ndisc_ifinfo_sysctl_strategy(ctl_table *ctl, int __user *name,
+				 int nlen, void __user *oldval,
+				 size_t __user *oldlenp,
+				 void __user *newval, size_t newlen)
 {
 	struct net_device *dev = ctl->extra1;
 	struct inet6_dev *idev;
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 12bba088034..48534c6c073 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -109,7 +109,7 @@ static struct dst_ops ip6_dst_ops_template = {
 	.negative_advice	=	ip6_negative_advice,
 	.link_failure		=	ip6_link_failure,
 	.update_pmtu		=	ip6_rt_update_pmtu,
-	.local_out		=	ip6_local_out,
+	.local_out		=	__ip6_local_out,
 	.entry_size		=	sizeof(struct rt6_info),
 	.entries		=	ATOMIC_INIT(0),
 };
@@ -475,7 +475,7 @@ int rt6_route_rcv(struct net_device *dev, u8 *opt, int len,
 	lifetime = ntohl(rinfo->lifetime);
 	if (lifetime == 0xffffffff) {
 		/* infinity */
-	} else if (lifetime > 0x7fffffff/HZ) {
+	} else if (lifetime > 0x7fffffff/HZ - 1) {
 		/* Avoid arithmetic overflow */
 		lifetime = 0x7fffffff/HZ - 1;
 	}
@@ -1106,7 +1106,9 @@ int ip6_route_add(struct fib6_config *cfg)
 	}
 
 	rt->u.dst.obsolete = -1;
-	rt->rt6i_expires = jiffies + clock_t_to_jiffies(cfg->fc_expires);
+	rt->rt6i_expires = (cfg->fc_flags & RTF_EXPIRES) ?
+				jiffies + clock_t_to_jiffies(cfg->fc_expires) :
+				0;
 
 	if (cfg->fc_protocol == RTPROT_UNSPEC)
 		cfg->fc_protocol = RTPROT_BOOT;
@@ -2200,7 +2202,9 @@ static int rt6_fill_node(struct sk_buff *skb, struct rt6_info *rt,
 
 	NLA_PUT_U32(skb, RTA_PRIORITY, rt->rt6i_metric);
 
-	expires = rt->rt6i_expires ? rt->rt6i_expires - jiffies : 0;
+	expires = (rt->rt6i_flags & RTF_EXPIRES) ?
+			rt->rt6i_expires - jiffies : 0;
+
 	if (rtnl_put_cacheinfo(skb, &rt->u.dst, 0, 0, 0,
 			       expires, rt->u.dst.error) < 0)
 		goto nla_put_failure;
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 4adba09e80c..e470bf12b76 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -3446,21 +3446,17 @@ static int ieee80211_sta_config_auth(struct net_device *dev,
 	struct ieee80211_sta_bss *bss, *selected = NULL;
 	int top_rssi = 0, freq;
 
-	if (!(ifsta->flags & (IEEE80211_STA_AUTO_SSID_SEL |
-	    IEEE80211_STA_AUTO_BSSID_SEL | IEEE80211_STA_AUTO_CHANNEL_SEL))) {
-		ifsta->state = IEEE80211_AUTHENTICATE;
-		ieee80211_sta_reset_auth(dev, ifsta);
-		return 0;
-	}
-
 	spin_lock_bh(&local->sta_bss_lock);
 	freq = local->oper_channel->center_freq;
 	list_for_each_entry(bss, &local->sta_bss_list, list) {
 		if (!(bss->capability & WLAN_CAPABILITY_ESS))
 			continue;
 
-		if (!!(bss->capability & WLAN_CAPABILITY_PRIVACY) ^
-		    !!sdata->default_key)
+		if ((ifsta->flags & (IEEE80211_STA_AUTO_SSID_SEL |
+			IEEE80211_STA_AUTO_BSSID_SEL |
+			IEEE80211_STA_AUTO_CHANNEL_SEL)) &&
+		    (!!(bss->capability & WLAN_CAPABILITY_PRIVACY) ^
+		     !!sdata->default_key))
 			continue;
 
 		if (!(ifsta->flags & IEEE80211_STA_AUTO_CHANNEL_SEL) &&
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 24a465c4df0..131e9e6c8a3 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -389,6 +389,41 @@ void ieee80211_iterate_active_interfaces(
 	struct ieee80211_local *local = hw_to_local(hw);
 	struct ieee80211_sub_if_data *sdata;
 
+	rtnl_lock();
+
+	list_for_each_entry(sdata, &local->interfaces, list) {
+		switch (sdata->vif.type) {
+		case IEEE80211_IF_TYPE_INVALID:
+		case IEEE80211_IF_TYPE_MNTR:
+		case IEEE80211_IF_TYPE_VLAN:
+			continue;
+		case IEEE80211_IF_TYPE_AP:
+		case IEEE80211_IF_TYPE_STA:
+		case IEEE80211_IF_TYPE_IBSS:
+		case IEEE80211_IF_TYPE_WDS:
+		case IEEE80211_IF_TYPE_MESH_POINT:
+			break;
+		}
+		if (sdata->dev == local->mdev)
+			continue;
+		if (netif_running(sdata->dev))
+			iterator(data, sdata->dev->dev_addr,
+				 &sdata->vif);
+	}
+
+	rtnl_unlock();
+}
+EXPORT_SYMBOL_GPL(ieee80211_iterate_active_interfaces);
+
+void ieee80211_iterate_active_interfaces_atomic(
+	struct ieee80211_hw *hw,
+	void (*iterator)(void *data, u8 *mac,
+			 struct ieee80211_vif *vif),
+	void *data)
+{
+	struct ieee80211_local *local = hw_to_local(hw);
+	struct ieee80211_sub_if_data *sdata;
+
 	rcu_read_lock();
 
 	list_for_each_entry_rcu(sdata, &local->interfaces, list) {
@@ -413,4 +448,4 @@ void ieee80211_iterate_active_interfaces(
 
 	rcu_read_unlock();
 }
-EXPORT_SYMBOL_GPL(ieee80211_iterate_active_interfaces);
+EXPORT_SYMBOL_GPL(ieee80211_iterate_active_interfaces_atomic);
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 1086df7478b..9360fc81e8c 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -220,7 +220,7 @@ replay:
 		tp = kzalloc(sizeof(*tp), GFP_KERNEL);
 		if (tp == NULL)
 			goto errout;
-		err = -EINVAL;
+		err = -ENOENT;
 		tp_ops = tcf_proto_lookup_ops(tca[TCA_KIND]);
 		if (tp_ops == NULL) {
 #ifdef CONFIG_KMOD