Merge /spare/repo/linux-2.6/

24 files changed, 211 insertions, 184 deletions

diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index fb5524365bc..ffa26c10bfe 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -299,7 +299,6 @@ struct hci_dev *hci_dev_get(int index)
 	read_unlock(&hci_dev_list_lock);
 	return hdev;
 }
-EXPORT_SYMBOL(hci_dev_get);
 
 /* ---- Inquiry support ---- */
 static void inquiry_cache_flush(struct hci_dev *hdev)
@@ -1042,7 +1041,6 @@ int hci_send_cmd(struct hci_dev *hdev, __u16 ogf, __u16 ocf, __u32 plen, void *p
 
 	return 0;
 }
-EXPORT_SYMBOL(hci_send_cmd);
 
 /* Get data from the previously sent command */
 void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 ogf, __u16 ocf)
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index c4b592b4ef1..46367bd129c 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -1035,9 +1035,11 @@ void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data)
 	ev->type = type;
 	memcpy(ev->data, data, dlen);
 
+	bt_cb(skb)->incoming = 1;
+	do_gettimeofday(&skb->stamp);
+
 	skb->pkt_type = HCI_EVENT_PKT;
 	skb->dev = (void *) hdev;
 	hci_send_to_sock(hdev, skb);
 	kfree_skb(skb);
 }
-EXPORT_SYMBOL(hci_si_event);
diff --git a/net/bluetooth/lib.c b/net/bluetooth/lib.c
index 9efb0a09361..ee6a6697991 100644
--- a/net/bluetooth/lib.c
+++ b/net/bluetooth/lib.c
@@ -34,31 +34,6 @@
 
 #include <net/bluetooth/bluetooth.h>
 
-void bt_dump(char *pref, __u8 *buf, int count)
-{
-	char *ptr;
-	char line[100];
-	unsigned int i;
-
-	printk(KERN_INFO "%s: dump, len %d\n", pref, count);
-
-	ptr = line;
-	*ptr = 0;
-	for (i = 0; i < count; i++) {
-		ptr += sprintf(ptr, " %2.2X", buf[i]);
-
-		if (i && !((i + 1) % 20)) {
-			printk(KERN_INFO "%s:%s\n", pref, line);
-			ptr = line;
-			*ptr = 0;
-		}
-	}
-
-	if (line[0])
-		printk(KERN_INFO "%s:%s\n", pref, line);
-}
-EXPORT_SYMBOL(bt_dump);
-
 void baswap(bdaddr_t *dst, bdaddr_t *src)
 {
 	unsigned char *d = (unsigned char *) dst;
diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
index e9e6fda66f1..27bf5047cd3 100644
--- a/net/bluetooth/rfcomm/core.c
+++ b/net/bluetooth/rfcomm/core.c
@@ -389,8 +389,6 @@ static int __rfcomm_dlc_close(struct rfcomm_dlc *d, int err)
 		rfcomm_dlc_unlock(d);
 
 		skb_queue_purge(&d->tx_queue);
-		rfcomm_session_put(s);
-
 		rfcomm_dlc_unlink(d);
 	}
 
@@ -600,8 +598,6 @@ static struct rfcomm_session *rfcomm_session_create(bdaddr_t *src, bdaddr_t *dst
 		goto failed;
 	}
 
-	rfcomm_session_hold(s);
-
 	s->initiator = 1;
 
 	bacpy(&addr.l2_bdaddr, dst);
diff --git a/net/compat.c b/net/compat.c
index be5d936dc42..d99ab969589 100644
--- a/net/compat.c
+++ b/net/compat.c
@@ -91,20 +91,11 @@ int verify_compat_iovec(struct msghdr *kern_msg, struct iovec *kern_iov,
 	} else
 		kern_msg->msg_name = NULL;
 
-	if(kern_msg->msg_iovlen > UIO_FASTIOV) {
-		kern_iov = kmalloc(kern_msg->msg_iovlen * sizeof(struct iovec),
-				   GFP_KERNEL);
-		if(!kern_iov)
-			return -ENOMEM;
-	}
-
 	tot_len = iov_from_user_compat_to_kern(kern_iov,
 					  (struct compat_iovec __user *)kern_msg->msg_iov,
 					  kern_msg->msg_iovlen);
 	if(tot_len >= 0)
 		kern_msg->msg_iov = kern_iov;
-	else if(kern_msg->msg_iovlen > UIO_FASTIOV)
-		kfree(kern_iov);
 
 	return tot_len;
 }
diff --git a/net/core/dev.c b/net/core/dev.c
index 52a3bf7ae17..faf59b02c4b 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1696,7 +1696,8 @@ static void net_rx_action(struct softirq_action *h)
 	struct softnet_data *queue = &__get_cpu_var(softnet_data);
 	unsigned long start_time = jiffies;
 	int budget = netdev_budget;
-	
+	void *have;
+
 	local_irq_disable();
 
 	while (!list_empty(&queue->poll_list)) {
@@ -1709,10 +1710,10 @@ static void net_rx_action(struct softirq_action *h)
 
 		dev = list_entry(queue->poll_list.next,
 				 struct net_device, poll_list);
-		netpoll_poll_lock(dev);
+		have = netpoll_poll_lock(dev);
 
 		if (dev->quota <= 0 || dev->poll(dev, &budget)) {
-			netpoll_poll_unlock(dev);
+			netpoll_poll_unlock(have);
 			local_irq_disable();
 			list_del(&dev->poll_list);
 			list_add_tail(&dev->poll_list, &queue->poll_list);
@@ -1721,7 +1722,7 @@ static void net_rx_action(struct softirq_action *h)
 			else
 				dev->quota = dev->weight;
 		} else {
-			netpoll_poll_unlock(dev);
+			netpoll_poll_unlock(have);
 			dev_put(dev);
 			local_irq_disable();
 		}
diff --git a/net/core/dst.c b/net/core/dst.c
index fc434ade527..334790da9f1 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -45,6 +45,7 @@ static struct timer_list dst_gc_timer =
 static void dst_run_gc(unsigned long dummy)
 {
 	int    delayed = 0;
+	int    work_performed;
 	struct dst_entry * dst, **dstp;
 
 	if (!spin_trylock(&dst_lock)) {
@@ -52,9 +53,9 @@ static void dst_run_gc(unsigned long dummy)
 		return;
 	}
 
-
 	del_timer(&dst_gc_timer);
 	dstp = &dst_garbage_list;
+	work_performed = 0;
 	while ((dst = *dstp) != NULL) {
 		if (atomic_read(&dst->__refcnt)) {
 			dstp = &dst->next;
@@ -62,6 +63,7 @@ static void dst_run_gc(unsigned long dummy)
 			continue;
 		}
 		*dstp = dst->next;
+		work_performed = 1;
 
 		dst = dst_destroy(dst);
 		if (dst) {
@@ -86,9 +88,14 @@ static void dst_run_gc(unsigned long dummy)
 		dst_gc_timer_inc = DST_GC_MAX;
 		goto out;
 	}
-	if ((dst_gc_timer_expires += dst_gc_timer_inc) > DST_GC_MAX)
-		dst_gc_timer_expires = DST_GC_MAX;
-	dst_gc_timer_inc += DST_GC_INC;
+	if (!work_performed) {
+		if ((dst_gc_timer_expires += dst_gc_timer_inc) > DST_GC_MAX)
+			dst_gc_timer_expires = DST_GC_MAX;
+		dst_gc_timer_inc += DST_GC_INC;
+	} else {
+		dst_gc_timer_inc = DST_GC_INC;
+		dst_gc_timer_expires = DST_GC_MIN;
+	}
 	dst_gc_timer.expires = jiffies + dst_gc_timer_expires;
 #if RT_CACHE_DEBUG >= 2
 	printk("dst_total: %d/%d %ld\n",
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index c327c9edadc..a1a9a7abff5 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -33,6 +33,7 @@
 #define MAX_UDP_CHUNK 1460
 #define MAX_SKBS 32
 #define MAX_QUEUE_DEPTH (MAX_SKBS / 2)
+#define MAX_RETRIES 20000
 
 static DEFINE_SPINLOCK(skb_list_lock);
 static int nr_skbs;
@@ -248,14 +249,14 @@ static void netpoll_send_skb(struct netpoll *np, struct sk_buff *skb)
 	int status;
 	struct netpoll_info *npinfo;
 
-repeat:
-	if(!np || !np->dev || !netif_running(np->dev)) {
+	if (!np || !np->dev || !netif_running(np->dev)) {
 		__kfree_skb(skb);
 		return;
 	}
 
-	/* avoid recursion */
 	npinfo = np->dev->npinfo;
+
+	/* avoid recursion */
 	if (npinfo->poll_owner == smp_processor_id() ||
 	    np->dev->xmit_lock_owner == smp_processor_id()) {
 		if (np->drop)
@@ -265,30 +266,37 @@ repeat:
 		return;
 	}
 
-	spin_lock(&np->dev->xmit_lock);
-	np->dev->xmit_lock_owner = smp_processor_id();
+	do {
+		npinfo->tries--;
+		spin_lock(&np->dev->xmit_lock);
+		np->dev->xmit_lock_owner = smp_processor_id();
 
-	/*
-	 * network drivers do not expect to be called if the queue is
-	 * stopped.
-	 */
-	if (netif_queue_stopped(np->dev)) {
+		/*
+		 * network drivers do not expect to be called if the queue is
+		 * stopped.
+		 */
+		if (netif_queue_stopped(np->dev)) {
+			np->dev->xmit_lock_owner = -1;
+			spin_unlock(&np->dev->xmit_lock);
+			netpoll_poll(np);
+			udelay(50);
+			continue;
+		}
+
+		status = np->dev->hard_start_xmit(skb, np->dev);
 		np->dev->xmit_lock_owner = -1;
 		spin_unlock(&np->dev->xmit_lock);
 
-		netpoll_poll(np);
-		goto repeat;
-	}
-
-	status = np->dev->hard_start_xmit(skb, np->dev);
-	np->dev->xmit_lock_owner = -1;
-	spin_unlock(&np->dev->xmit_lock);
+		/* success */
+		if(!status) {
+			npinfo->tries = MAX_RETRIES; /* reset */
+			return;
+		}
 
-	/* transmit busy */
-	if(status) {
+		/* transmit busy */
 		netpoll_poll(np);
-		goto repeat;
-	}
+		udelay(50);
+	} while (npinfo->tries > 0);
 }
 
 void netpoll_send_udp(struct netpoll *np, const char *msg, int len)
@@ -349,15 +357,11 @@ static void arp_reply(struct sk_buff *skb)
 	unsigned char *arp_ptr;
 	int size, type = ARPOP_REPLY, ptype = ETH_P_ARP;
 	u32 sip, tip;
-	unsigned long flags;
 	struct sk_buff *send_skb;
 	struct netpoll *np = NULL;
 
-	spin_lock_irqsave(&npinfo->rx_lock, flags);
 	if (npinfo->rx_np && npinfo->rx_np->dev == skb->dev)
 		np = npinfo->rx_np;
-	spin_unlock_irqrestore(&npinfo->rx_lock, flags);
-
 	if (!np)
 		return;
 
@@ -639,9 +643,11 @@ int netpoll_setup(struct netpoll *np)
 		if (!npinfo)
 			goto release;
 
+		npinfo->rx_flags = 0;
 		npinfo->rx_np = NULL;
 		npinfo->poll_lock = SPIN_LOCK_UNLOCKED;
 		npinfo->poll_owner = -1;
+		npinfo->tries = MAX_RETRIES;
 		npinfo->rx_lock = SPIN_LOCK_UNLOCKED;
 	} else
 		npinfo = ndev->npinfo;
@@ -718,9 +724,16 @@ int netpoll_setup(struct netpoll *np)
 		npinfo->rx_np = np;
 		spin_unlock_irqrestore(&npinfo->rx_lock, flags);
 	}
+
+	/* fill up the skb queue */
+	refill_skbs();
+
 	/* last thing to do is link it to the net device structure */
 	ndev->npinfo = npinfo;
 
+	/* avoid racing with NAPI reading npinfo */
+	synchronize_rcu();
+
 	return 0;
 
  release:
diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
index 96a02800cd2..acdd18e6adb 100644
--- a/net/decnet/af_decnet.c
+++ b/net/decnet/af_decnet.c
@@ -1876,15 +1876,6 @@ static inline unsigned int dn_current_mss(struct sock *sk, int flags)
 	return mss_now;
 }
 
-static int dn_error(struct sock *sk, int flags, int err)
-{
-	if (err == -EPIPE)
-		err = sock_error(sk) ? : -EPIPE;
-	if (err == -EPIPE && !(flags & MSG_NOSIGNAL))
-		send_sig(SIGPIPE, current, 0);
-	return err;
-}
-
 static int dn_sendmsg(struct kiocb *iocb, struct socket *sock,
 	   struct msghdr *msg, size_t size)
 {
@@ -2045,7 +2036,7 @@ out:
 	return sent ? sent : err;
 
 out_err:
-	err = dn_error(sk, flags, err);
+	err = sk_stream_error(sk, flags, err);
 	release_sock(sk);
 	return err;
 }
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index c886b28ba9f..e278cb9d007 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -593,10 +593,13 @@ static void fib_hash_move(struct hlist_head *new_info_hash,
 			  struct hlist_head *new_laddrhash,
 			  unsigned int new_size)
 {
+	struct hlist_head *old_info_hash, *old_laddrhash;
 	unsigned int old_size = fib_hash_size;
-	unsigned int i;
+	unsigned int i, bytes;
 
 	write_lock(&fib_info_lock);
+	old_info_hash = fib_info_hash;
+	old_laddrhash = fib_info_laddrhash;
 	fib_hash_size = new_size;
 
 	for (i = 0; i < old_size; i++) {
@@ -636,6 +639,10 @@ static void fib_hash_move(struct hlist_head *new_info_hash,
 	fib_info_laddrhash = new_laddrhash;
 
 	write_unlock(&fib_info_lock);
+
+	bytes = old_size * sizeof(struct hlist_head *);
+	fib_hash_free(old_info_hash, bytes);
+	fib_hash_free(old_laddrhash, bytes);
 }
 
 struct fib_info *
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index 279f57abfec..3d78464f64e 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -936,8 +936,7 @@ int icmp_rcv(struct sk_buff *skb)
 	case CHECKSUM_HW:
 		if (!(u16)csum_fold(skb->csum))
 			break;
-		NETDEBUG(if (net_ratelimit())
-				printk(KERN_DEBUG "icmp v4 hw csum failure\n"));
+		LIMIT_NETDEBUG(printk(KERN_DEBUG "icmp v4 hw csum failure\n"));
 	case CHECKSUM_NONE:
 		if ((u16)csum_fold(skb_checksum(skb, 0, skb->len, 0)))
 			goto error;
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index 7f68e27eb4e..eb377ae1530 100644
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -377,7 +377,7 @@ static struct ipq *ip_frag_create(unsigned hash, struct iphdr *iph, u32 user)
 	return ip_frag_intern(hash, qp);
 
 out_nomem:
-	NETDEBUG(if (net_ratelimit()) printk(KERN_ERR "ip_frag_create: no memory left !\n"));
+	LIMIT_NETDEBUG(printk(KERN_ERR "ip_frag_create: no memory left !\n"));
 	return NULL;
 }
 
@@ -625,10 +625,8 @@ static struct sk_buff *ip_frag_reasm(struct ipq *qp, struct net_device *dev)
 	return head;
 
 out_nomem:
- 	NETDEBUG(if (net_ratelimit())
-	         printk(KERN_ERR 
-			"IP: queue_glue: no memory for gluing queue %p\n",
-			qp));
+ 	LIMIT_NETDEBUG(printk(KERN_ERR "IP: queue_glue: no memory for gluing "
+			      "queue %p\n", qp));
 	goto out_fail;
 out_oversize:
 	if (net_ratelimit())
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 88483552222..f0d5740d7e2 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -290,7 +290,6 @@ static struct ip_tunnel * ipgre_tunnel_locate(struct ip_tunnel_parm *parms, int
 
 	dev_hold(dev);
 	ipgre_tunnel_link(nt);
-	/* Do not decrement MOD_USE_COUNT here. */
 	return nt;
 
 failed:
@@ -1277,12 +1276,28 @@ err1:
 	goto out;
 }
 
-static void ipgre_fini(void)
+static void __exit ipgre_destroy_tunnels(void)
+{
+	int prio;
+
+	for (prio = 0; prio < 4; prio++) {
+		int h;
+		for (h = 0; h < HASH_SIZE; h++) {
+			struct ip_tunnel *t;
+			while ((t = tunnels[prio][h]) != NULL)
+				unregister_netdevice(t->dev);
+		}
+	}
+}
+
+static void __exit ipgre_fini(void)
 {
 	if (inet_del_protocol(&ipgre_protocol, IPPROTO_GRE) < 0)
 		printk(KERN_INFO "ipgre close: can't remove protocol\n");
 
-	unregister_netdev(ipgre_fb_tunnel_dev);
+	rtnl_lock();
+	ipgre_destroy_tunnels();
+	rtnl_unlock();
 }
 
 module_init(ipgre_init);
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index fc7c481d0d7..ff4bd067b39 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -848,6 +848,9 @@ mc_msf_out:
  
 		case IP_IPSEC_POLICY:
 		case IP_XFRM_POLICY:
+			err = -EPERM;
+			if (!capable(CAP_NET_ADMIN))
+				break;
 			err = xfrm_user_policy(sk, optname, optval, optlen);
 			break;
 
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index c3947cd566b..c05c1df0bb0 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -255,7 +255,6 @@ static struct ip_tunnel * ipip_tunnel_locate(struct ip_tunnel_parm *parms, int c
 
 	dev_hold(dev);
 	ipip_tunnel_link(nt);
-	/* Do not decrement MOD_USE_COUNT here. */
 	return nt;
 
 failed:
@@ -920,12 +919,29 @@ static int __init ipip_init(void)
 	goto out;
 }
 
+static void __exit ipip_destroy_tunnels(void)
+{
+	int prio;
+
+	for (prio = 1; prio < 4; prio++) {
+		int h;
+		for (h = 0; h < HASH_SIZE; h++) {
+			struct ip_tunnel *t;
+			while ((t = tunnels[prio][h]) != NULL)
+				unregister_netdevice(t->dev);
+		}
+	}
+}
+
 static void __exit ipip_fini(void)
 {
 	if (ipip_unregister() < 0)
 		printk(KERN_INFO "ipip close: can't deregister tunnel\n");
 
-	unregister_netdev(ipip_fb_tunnel_dev);
+	rtnl_lock();
+	ipip_destroy_tunnels();
+	unregister_netdevice(ipip_fb_tunnel_dev);
+	rtnl_unlock();
 }
 
 module_init(ipip_init);
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 7833d920bdb..dc806b57842 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -362,7 +362,7 @@ out:
 
 /* Fill oifs list. It is called under write locked mrt_lock. */
 
-static void ipmr_update_threshoulds(struct mfc_cache *cache, unsigned char *ttls)
+static void ipmr_update_thresholds(struct mfc_cache *cache, unsigned char *ttls)
 {
 	int vifi;
 
@@ -727,7 +727,7 @@ static int ipmr_mfc_add(struct mfcctl *mfc, int mrtsock)
 	if (c != NULL) {
 		write_lock_bh(&mrt_lock);
 		c->mfc_parent = mfc->mfcc_parent;
-		ipmr_update_threshoulds(c, mfc->mfcc_ttls);
+		ipmr_update_thresholds(c, mfc->mfcc_ttls);
 		if (!mrtsock)
 			c->mfc_flags |= MFC_STATIC;
 		write_unlock_bh(&mrt_lock);
@@ -744,7 +744,7 @@ static int ipmr_mfc_add(struct mfcctl *mfc, int mrtsock)
 	c->mfc_origin=mfc->mfcc_origin.s_addr;
 	c->mfc_mcastgrp=mfc->mfcc_mcastgrp.s_addr;
 	c->mfc_parent=mfc->mfcc_parent;
-	ipmr_update_threshoulds(c, mfc->mfcc_ttls);
+	ipmr_update_thresholds(c, mfc->mfcc_ttls);
 	if (!mrtsock)
 		c->mfc_flags |= MFC_STATIC;
 
diff --git a/net/ipv4/netfilter/ip_conntrack_core.c b/net/ipv4/netfilter/ip_conntrack_core.c
index 86f04e41dd8..a7f0c821a9b 100644
--- a/net/ipv4/netfilter/ip_conntrack_core.c
+++ b/net/ipv4/netfilter/ip_conntrack_core.c
@@ -513,6 +513,11 @@ init_conntrack(const struct ip_conntrack_tuple *tuple,
 #ifdef CONFIG_IP_NF_CONNTRACK_MARK
 		conntrack->mark = exp->master->mark;
 #endif
+#if defined(CONFIG_IP_NF_TARGET_MASQUERADE) || \
+    defined(CONFIG_IP_NF_TARGET_MASQUERADE_MODULE)
+		/* this is ugly, but there is no other place where to put it */
+		conntrack->nat.masq_index = exp->master->nat.masq_index;
+#endif
 		nf_conntrack_get(&conntrack->master->ct_general);
 		CONNTRACK_STAT_INC(expect_new);
 	} else {
diff --git a/net/ipv4/netfilter/ip_nat_standalone.c b/net/ipv4/netfilter/ip_nat_standalone.c
index bc59d0d6e89..91d5ea1dbbc 100644
--- a/net/ipv4/netfilter/ip_nat_standalone.c
+++ b/net/ipv4/netfilter/ip_nat_standalone.c
@@ -102,6 +102,10 @@ ip_nat_fn(unsigned int hooknum,
 		return NF_ACCEPT;
 	}
 
+	/* Don't try to NAT if this packet is not conntracked */
+	if (ct == &ip_conntrack_untracked)
+		return NF_ACCEPT;
+
 	switch (ctinfo) {
 	case IP_CT_RELATED:
 	case IP_CT_RELATED+IP_CT_IS_REPLY:
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 62f62bb05c2..5d91213d34c 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1494,12 +1494,11 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
 			 * to destinations, already remembered
 			 * to the moment of synflood.
 			 */
-			NETDEBUG(if (net_ratelimit()) \
-					printk(KERN_DEBUG "TCP: drop open "
-							  "request from %u.%u."
-							  "%u.%u/%u\n", \
-					       NIPQUAD(saddr),
-					       ntohs(skb->h.th->source)));
+			LIMIT_NETDEBUG(printk(KERN_DEBUG "TCP: drop open "
+					      "request from %u.%u."
+					      "%u.%u/%u\n",
+					      NIPQUAD(saddr),
+					      ntohs(skb->h.th->source)));
 			dst_release(dst);
 			goto drop_and_free;
 		}
@@ -1627,8 +1626,7 @@ static int tcp_v4_checksum_init(struct sk_buff *skb)
 				  skb->nh.iph->daddr, skb->csum))
 			return 0;
 
-		NETDEBUG(if (net_ratelimit())
-				printk(KERN_DEBUG "hw tcp v4 csum failed\n"));
+		LIMIT_NETDEBUG(printk(KERN_DEBUG "hw tcp v4 csum failed\n"));
 		skb->ip_summed = CHECKSUM_NONE;
 	}
 	if (skb->len <= 76) {
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index e3f8ea1bfa9..3ed6fc15815 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -403,11 +403,9 @@ static void tcp_queue_skb(struct sock *sk, struct sk_buff *skb)
 		sk->sk_send_head = skb;
 }
 
-static void tcp_set_skb_tso_segs(struct sock *sk, struct sk_buff *skb)
+static void tcp_set_skb_tso_segs(struct sock *sk, struct sk_buff *skb, unsigned int mss_now)
 {
-	struct tcp_sock *tp = tcp_sk(sk);
-
-	if (skb->len <= tp->mss_cache ||
+	if (skb->len <= mss_now ||
 	    !(sk->sk_route_caps & NETIF_F_TSO)) {
 		/* Avoid the costly divide in the normal
 		 * non-TSO case.
@@ -417,10 +415,10 @@ static void tcp_set_skb_tso_segs(struct sock *sk, struct sk_buff *skb)
 	} else {
 		unsigned int factor;
 
-		factor = skb->len + (tp->mss_cache - 1);
-		factor /= tp->mss_cache;
+		factor = skb->len + (mss_now - 1);
+		factor /= mss_now;
 		skb_shinfo(skb)->tso_segs = factor;
-		skb_shinfo(skb)->tso_size = tp->mss_cache;
+		skb_shinfo(skb)->tso_size = mss_now;
 	}
 }
 
@@ -429,7 +427,7 @@ static void tcp_set_skb_tso_segs(struct sock *sk, struct sk_buff *skb)
  * packet to the list.  This won't be called frequently, I hope. 
  * Remember, these are still headerless SKBs at this point.
  */
-static int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len)
+static int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len, unsigned int mss_now)
 {
 	struct tcp_sock *tp = tcp_sk(sk);
 	struct sk_buff *buff;
@@ -492,8 +490,8 @@ static int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len)
 	}
 
 	/* Fix up tso_factor for both original and new SKB.  */
-	tcp_set_skb_tso_segs(sk, skb);
-	tcp_set_skb_tso_segs(sk, buff);
+	tcp_set_skb_tso_segs(sk, skb, mss_now);
+	tcp_set_skb_tso_segs(sk, buff, mss_now);
 
 	if (TCP_SKB_CB(skb)->sacked & TCPCB_LOST) {
 		tp->lost_out += tcp_skb_pcount(skb);
@@ -569,7 +567,7 @@ int tcp_trim_head(struct sock *sk, struct sk_buff *skb, u32 len)
 	 * factor and mss.
 	 */
 	if (tcp_skb_pcount(skb) > 1)
-		tcp_set_skb_tso_segs(sk, skb);
+		tcp_set_skb_tso_segs(sk, skb, tcp_current_mss(sk, 1));
 
 	return 0;
 }
@@ -734,12 +732,14 @@ static inline unsigned int tcp_cwnd_test(struct tcp_sock *tp, struct sk_buff *sk
 /* This must be invoked the first time we consider transmitting
  * SKB onto the wire.
  */
-static inline int tcp_init_tso_segs(struct sock *sk, struct sk_buff *skb)
+static inline int tcp_init_tso_segs(struct sock *sk, struct sk_buff *skb, unsigned int mss_now)
 {
 	int tso_segs = tcp_skb_pcount(skb);
 
-	if (!tso_segs) {
-		tcp_set_skb_tso_segs(sk, skb);
+	if (!tso_segs ||
+	    (tso_segs > 1 &&
+	     skb_shinfo(skb)->tso_size != mss_now)) {
+		tcp_set_skb_tso_segs(sk, skb, mss_now);
 		tso_segs = tcp_skb_pcount(skb);
 	}
 	return tso_segs;
@@ -817,7 +817,7 @@ static unsigned int tcp_snd_test(struct sock *sk, struct sk_buff *skb,
 	struct tcp_sock *tp = tcp_sk(sk);
 	unsigned int cwnd_quota;
 
-	tcp_init_tso_segs(sk, skb);
+	tcp_init_tso_segs(sk, skb, cur_mss);
 
 	if (!tcp_nagle_test(tp, skb, cur_mss, nonagle))
 		return 0;
@@ -854,7 +854,7 @@ int tcp_may_send_now(struct sock *sk, struct tcp_sock *tp)
  * know that all the data is in scatter-gather pages, and that the
  * packet has never been sent out before (and thus is not cloned).
  */
-static int tso_fragment(struct sock *sk, struct sk_buff *skb, unsigned int len)
+static int tso_fragment(struct sock *sk, struct sk_buff *skb, unsigned int len, unsigned int mss_now)
 {
 	struct sk_buff *buff;
 	int nlen = skb->len - len;
@@ -887,8 +887,8 @@ static int tso_fragment(struct sock *sk, struct sk_buff *skb, unsigned int len)
 	skb_split(skb, buff, len);
 
 	/* Fix up tso_factor for both original and new SKB.  */
-	tcp_set_skb_tso_segs(sk, skb);
-	tcp_set_skb_tso_segs(sk, buff);
+	tcp_set_skb_tso_segs(sk, skb, mss_now);
+	tcp_set_skb_tso_segs(sk, buff, mss_now);
 
 	/* Link BUFF into the send queue. */
 	skb_header_release(buff);
@@ -972,19 +972,18 @@ static int tcp_write_xmit(struct sock *sk, unsigned int mss_now, int nonagle)
 	if (unlikely(sk->sk_state == TCP_CLOSE))
 		return 0;
 
-	skb = sk->sk_send_head;
-	if (unlikely(!skb))
-		return 0;
-
-	tso_segs = tcp_init_tso_segs(sk, skb);
-	cwnd_quota = tcp_cwnd_test(tp, skb);
-	if (unlikely(!cwnd_quota))
-		goto out;
-
 	sent_pkts = 0;
-	while (likely(tcp_snd_wnd_test(tp, skb, mss_now))) {
+	while ((skb = sk->sk_send_head)) {
+		tso_segs = tcp_init_tso_segs(sk, skb, mss_now);
 		BUG_ON(!tso_segs);
 
+		cwnd_quota = tcp_cwnd_test(tp, skb);
+		if (!cwnd_quota)
+			break;
+
+		if (unlikely(!tcp_snd_wnd_test(tp, skb, mss_now)))
+			break;
+
 		if (tso_segs == 1) {
 			if (unlikely(!tcp_nagle_test(tp, skb, mss_now,
 						     (tcp_skb_is_last(sk, skb) ?
@@ -1006,11 +1005,11 @@ static int tcp_write_xmit(struct sock *sk, unsigned int mss_now, int nonagle)
 					limit = skb->len - trim;
 			}
 			if (skb->len > limit) {
-				if (tso_fragment(sk, skb, limit))
+				if (tso_fragment(sk, skb, limit, mss_now))
 					break;
 			}
 		} else if (unlikely(skb->len > mss_now)) {
-			if (unlikely(tcp_fragment(sk, skb,  mss_now)))
+			if (unlikely(tcp_fragment(sk, skb,  mss_now, mss_now)))
 				break;
 		}
 
@@ -1026,27 +1025,12 @@ static int tcp_write_xmit(struct sock *sk, unsigned int mss_now, int nonagle)
 
 		tcp_minshall_update(tp, mss_now, skb);
 		sent_pkts++;
-
-		/* Do not optimize this to use tso_segs. If we chopped up
-		 * the packet above, tso_segs will no longer be valid.
-		 */
-		cwnd_quota -= tcp_skb_pcount(skb);
-
-		BUG_ON(cwnd_quota < 0);
-		if (!cwnd_quota)
-			break;
-
-		skb = sk->sk_send_head;
-		if (!skb)
-			break;
-		tso_segs = tcp_init_tso_segs(sk, skb);
 	}
 
 	if (likely(sent_pkts)) {
 		tcp_cwnd_validate(sk, tp);
 		return 0;
 	}
-out:
 	return !tp->packets_out && sk->sk_send_head;
 }
 
@@ -1076,7 +1060,7 @@ void tcp_push_one(struct sock *sk, unsigned int mss_now)
 
 	BUG_ON(!skb || skb->len < mss_now);
 
-	tso_segs = tcp_init_tso_segs(sk, skb);
+	tso_segs = tcp_init_tso_segs(sk, skb, mss_now);
 	cwnd_quota = tcp_snd_test(sk, skb, mss_now, TCP_NAGLE_PUSH);
 
 	if (likely(cwnd_quota)) {
@@ -1093,11 +1077,11 @@ void tcp_push_one(struct sock *sk, unsigned int mss_now)
 					limit = skb->len - trim;
 			}
 			if (skb->len > limit) {
-				if (unlikely(tso_fragment(sk, skb, limit)))
+				if (unlikely(tso_fragment(sk, skb, limit, mss_now)))
 					return;
 			}
 		} else if (unlikely(skb->len > mss_now)) {
-			if (unlikely(tcp_fragment(sk, skb, mss_now)))
+			if (unlikely(tcp_fragment(sk, skb, mss_now, mss_now)))
 				return;
 		}
 
@@ -1386,15 +1370,21 @@ int tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb)
 
 	if (skb->len > cur_mss) {
 		int old_factor = tcp_skb_pcount(skb);
-		int new_factor;
+		int diff;
 
-		if (tcp_fragment(sk, skb, cur_mss))
+		if (tcp_fragment(sk, skb, cur_mss, cur_mss))
 			return -ENOMEM; /* We'll try again later. */
 
 		/* New SKB created, account for it. */
-		new_factor = tcp_skb_pcount(skb);
-		tp->packets_out -= old_factor - new_factor;
-		tp->packets_out += tcp_skb_pcount(skb->next);
+		diff = old_factor - tcp_skb_pcount(skb) -
+		       tcp_skb_pcount(skb->next);
+		tp->packets_out -= diff;
+
+		if (diff > 0) {
+			tp->fackets_out -= diff;
+			if ((int)tp->fackets_out < 0)
+				tp->fackets_out = 0;
+		}
 	}
 
 	/* Collapse two adjacent packets if worthwhile and we can. */
@@ -1991,7 +1981,7 @@ int tcp_write_wakeup(struct sock *sk)
 			    skb->len > mss) {
 				seg_size = min(seg_size, mss);
 				TCP_SKB_CB(skb)->flags |= TCPCB_FLAG_PSH;
-				if (tcp_fragment(sk, skb, seg_size))
+				if (tcp_fragment(sk, skb, seg_size, mss))
 					return -1;
 				/* SWS override triggered forced fragmentation.
 				 * Disable TSO, the connection is too sick. */
@@ -2000,7 +1990,7 @@ int tcp_write_wakeup(struct sock *sk)
 					sk->sk_route_caps &= ~NETIF_F_TSO;
 				}
 			} else if (!tcp_skb_pcount(skb))
-				tcp_set_skb_tso_segs(sk, skb);
+				tcp_set_skb_tso_segs(sk, skb, mss);
 
 			TCP_SKB_CB(skb)->flags |= TCPCB_FLAG_PSH;
 			TCP_SKB_CB(skb)->when = tcp_time_stamp;
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 7c24e64b443..dc4d07357e3 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -628,7 +628,7 @@ back_from_confirm:
 		/* ... which is an evident application bug. --ANK */
 		release_sock(sk);
 
-		NETDEBUG(if (net_ratelimit()) printk(KERN_DEBUG "udp cork app bug 2\n"));
+		LIMIT_NETDEBUG(printk(KERN_DEBUG "udp cork app bug 2\n"));
 		err = -EINVAL;
 		goto out;
 	}
@@ -693,7 +693,7 @@ static int udp_sendpage(struct sock *sk, struct page *page, int offset,
 	if (unlikely(!up->pending)) {
 		release_sock(sk);
 
-		NETDEBUG(if (net_ratelimit()) printk(KERN_DEBUG "udp cork app bug 3\n"));
+		LIMIT_NETDEBUG(printk(KERN_DEBUG "udp cork app bug 3\n"));
 		return -EINVAL;
 	}
 
@@ -1102,7 +1102,7 @@ static int udp_checksum_init(struct sk_buff *skb, struct udphdr *uh,
 		skb->ip_summed = CHECKSUM_UNNECESSARY;
 		if (!udp_check(uh, ulen, saddr, daddr, skb->csum))
 			return 0;
-		NETDEBUG(if (net_ratelimit()) printk(KERN_DEBUG "udp v4 hw csum failure.\n"));
+		LIMIT_NETDEBUG(printk(KERN_DEBUG "udp v4 hw csum failure.\n"));
 		skb->ip_summed = CHECKSUM_NONE;
 	}
 	if (skb->ip_summed != CHECKSUM_UNNECESSARY)
@@ -1181,14 +1181,13 @@ int udp_rcv(struct sk_buff *skb)
 	return(0);
 
 short_packet:
-	NETDEBUG(if (net_ratelimit())
-		printk(KERN_DEBUG "UDP: short packet: From %u.%u.%u.%u:%u %d/%d to %u.%u.%u.%u:%u\n",
-			NIPQUAD(saddr),
-			ntohs(uh->source),
-			ulen,
-			len,
-			NIPQUAD(daddr),
-			ntohs(uh->dest)));
+	LIMIT_NETDEBUG(printk(KERN_DEBUG "UDP: short packet: From %u.%u.%u.%u:%u %d/%d to %u.%u.%u.%u:%u\n",
+			      NIPQUAD(saddr),
+			      ntohs(uh->source),
+			      ulen,
+			      len,
+			      NIPQUAD(daddr),
+			      ntohs(uh->dest)));
 no_header:
 	UDP_INC_STATS_BH(UDP_MIB_INERRORS);
 	kfree_skb(skb);
@@ -1199,13 +1198,12 @@ csum_error:
 	 * RFC1122: OK.  Discards the bad packet silently (as far as 
 	 * the network is concerned, anyway) as per 4.1.3.4 (MUST). 
 	 */
-	NETDEBUG(if (net_ratelimit())
-		 printk(KERN_DEBUG "UDP: bad checksum. From %d.%d.%d.%d:%d to %d.%d.%d.%d:%d ulen %d\n",
-			NIPQUAD(saddr),
-			ntohs(uh->source),
-			NIPQUAD(daddr),
-			ntohs(uh->dest),
-			ulen));
+	LIMIT_NETDEBUG(printk(KERN_DEBUG "UDP: bad checksum. From %d.%d.%d.%d:%d to %d.%d.%d.%d:%d ulen %d\n",
+			      NIPQUAD(saddr),
+			      ntohs(uh->source),
+			      NIPQUAD(daddr),
+			      ntohs(uh->dest),
+			      ulen));
 drop:
 	UDP_INC_STATS_BH(UDP_MIB_INERRORS);
 	kfree_skb(skb);
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index f3ef4c38d31..3bc144a79fa 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -504,6 +504,9 @@ done:
 		break;
 	case IPV6_IPSEC_POLICY:
 	case IPV6_XFRM_POLICY:
+		retv = -EPERM;
+		if (!capable(CAP_NET_ADMIN))
+			break;
 		retv = xfrm_user_policy(sk, optname, optval, optlen);
 		break;
 
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index b788f55e139..e553e5b80d6 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -195,7 +195,6 @@ static struct ip_tunnel * ipip6_tunnel_locate(struct ip_tunnel_parm *parms, int
 	dev_hold(dev);
 
 	ipip6_tunnel_link(nt);
-	/* Do not decrement MOD_USE_COUNT here. */
 	return nt;
 
 failed:
@@ -794,10 +793,28 @@ static struct net_protocol sit_protocol = {
 	.err_handler	=	ipip6_err,
 };
 
+static void __exit sit_destroy_tunnels(void)
+{
+	int prio;
+
+	for (prio = 1; prio < 4; prio++) {
+		int h;
+		for (h = 0; h < HASH_SIZE; h++) {
+			struct ip_tunnel *t;
+			while ((t = tunnels[prio][h]) != NULL)
+				unregister_netdevice(t->dev);
+		}
+	}
+}
+
 void __exit sit_cleanup(void)
 {
 	inet_del_protocol(&sit_protocol, IPPROTO_IPV6);
-	unregister_netdev(ipip6_fb_tunnel_dev);
+
+	rtnl_lock();
+	sit_destroy_tunnels();
+	unregister_netdevice(ipip6_fb_tunnel_dev);
+	rtnl_unlock();
 }
 
 int __init sit_init(void)
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index 56db8f13e6c..d0c3120d023 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -586,7 +586,7 @@ svc_udp_recvfrom(struct svc_rqst *rqstp)
 	}
 	if (skb->stamp.tv_sec == 0) {
 		skb->stamp.tv_sec = xtime.tv_sec; 
-		skb->stamp.tv_usec = xtime.tv_nsec * 1000; 
+		skb->stamp.tv_usec = xtime.tv_nsec / NSEC_PER_USEC; 
 		/* Don't enable netstamp, sunrpc doesn't 
 		   need that much accuracy */
 	}