Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index 26474c9..c986978 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -31,7 +31,7 @@
 
 char e1000_driver_name[] = "e1000";
 static char e1000_driver_string[] = "Intel(R) PRO/1000 Network Driver";
-#define DRV_VERSION "7.3.20-k3-NAPI"
+#define DRV_VERSION "7.3.21-k3-NAPI"
 const char e1000_driver_version[] = DRV_VERSION;
 static const char e1000_copyright[] = "Copyright (c) 1999-2006 Intel Corporation.";
 
@@ -3712,7 +3712,7 @@
 	struct e1000_hw *hw = &adapter->hw;
 	u32 rctl, icr = er32(ICR);
 
-	if (unlikely(!icr))
+	if (unlikely((!icr) || test_bit(__E1000_RESETTING, &adapter->flags)))
 		return IRQ_NONE;  /* Not our interrupt */
 
 	/* IMS will not auto-mask if INT_ASSERTED is not set, and if it is
diff --git a/drivers/net/r6040.c b/drivers/net/r6040.c
index 72fd9e9..b2dcdb5 100644
--- a/drivers/net/r6040.c
+++ b/drivers/net/r6040.c
@@ -438,7 +438,6 @@
 {
 	struct r6040_private *lp = netdev_priv(dev);
 	void __iomem *ioaddr = lp->base;
-	struct pci_dev *pdev = lp->pdev;
 	int limit = 2048;
 	u16 *adrp;
 	u16 cmd;
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 63ef2a8..c688083 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -287,7 +287,7 @@
 		skb_put(skb, MAX_PACKET_LEN);
 
 		hdr = skb_vnet_hdr(skb);
-		sg_init_one(sg, hdr, sizeof(*hdr));
+		sg_set_buf(sg, hdr, sizeof(*hdr));
 
 		if (vi->big_packets) {
 			for (i = 0; i < MAX_SKB_FRAGS; i++) {
@@ -488,9 +488,9 @@
 
 	/* Encode metadata header at front. */
 	if (vi->mergeable_rx_bufs)
-		sg_init_one(sg, mhdr, sizeof(*mhdr));
+		sg_set_buf(sg, mhdr, sizeof(*mhdr));
 	else
-		sg_init_one(sg, hdr, sizeof(*hdr));
+		sg_set_buf(sg, hdr, sizeof(*hdr));
 
 	num = skb_to_sgvec(skb, sg+1, 0, skb->len) + 1;
 
diff --git a/include/net/inet_hashtables.h b/include/net/inet_hashtables.h
index f44bb5c..d0a0431 100644
--- a/include/net/inet_hashtables.h
+++ b/include/net/inet_hashtables.h
@@ -182,7 +182,7 @@
 		size = 2048;
 	if (nr_pcpus >= 32)
 		size = 4096;
-	if (sizeof(rwlock_t) != 0) {
+	if (sizeof(spinlock_t) != 0) {
 #ifdef CONFIG_NUMA
 		if (size * sizeof(spinlock_t) > PAGE_SIZE)
 			hashinfo->ehash_locks = vmalloc(size * sizeof(spinlock_t));
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 0cd71b8..76b148b 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -524,7 +524,8 @@
 	struct tcp_splice_state *tss = rd_desc->arg.data;
 	int ret;
 
-	ret = skb_splice_bits(skb, offset, tss->pipe, rd_desc->count, tss->flags);
+	ret = skb_splice_bits(skb, offset, tss->pipe, min(rd_desc->count, len),
+			      tss->flags);
 	if (ret > 0)
 		rd_desc->count -= ret;
 	return ret;
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index cf5ab05..b7faffe 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -120,8 +120,11 @@
 atomic_t udp_memory_allocated;
 EXPORT_SYMBOL(udp_memory_allocated);
 
+#define PORTS_PER_CHAIN (65536 / UDP_HTABLE_SIZE)
+
 static int udp_lib_lport_inuse(struct net *net, __u16 num,
 			       const struct udp_hslot *hslot,
+			       unsigned long *bitmap,
 			       struct sock *sk,
 			       int (*saddr_comp)(const struct sock *sk1,
 						 const struct sock *sk2))
@@ -132,12 +135,17 @@
 	sk_nulls_for_each(sk2, node, &hslot->head)
 		if (net_eq(sock_net(sk2), net)			&&
 		    sk2 != sk					&&
-		    sk2->sk_hash == num				&&
+		    (bitmap || sk2->sk_hash == num)		&&
 		    (!sk2->sk_reuse || !sk->sk_reuse)		&&
 		    (!sk2->sk_bound_dev_if || !sk->sk_bound_dev_if
 			|| sk2->sk_bound_dev_if == sk->sk_bound_dev_if) &&
-		    (*saddr_comp)(sk, sk2))
-			return 1;
+		    (*saddr_comp)(sk, sk2)) {
+			if (bitmap)
+				__set_bit(sk2->sk_hash / UDP_HTABLE_SIZE,
+					  bitmap);
+			else
+				return 1;
+		}
 	return 0;
 }
 
@@ -160,32 +168,47 @@
 	if (!snum) {
 		int low, high, remaining;
 		unsigned rand;
-		unsigned short first;
+		unsigned short first, last;
+		DECLARE_BITMAP(bitmap, PORTS_PER_CHAIN);
 
 		inet_get_local_port_range(&low, &high);
 		remaining = (high - low) + 1;
 
 		rand = net_random();
-		snum = first = rand % remaining + low;
-		rand |= 1;
-		for (;;) {
-			hslot = &udptable->hash[udp_hashfn(net, snum)];
+		first = (((u64)rand * remaining) >> 32) + low;
+		/*
+		 * force rand to be an odd multiple of UDP_HTABLE_SIZE
+		 */
+		rand = (rand | 1) * UDP_HTABLE_SIZE;
+		for (last = first + UDP_HTABLE_SIZE; first != last; first++) {
+			hslot = &udptable->hash[udp_hashfn(net, first)];
+			bitmap_zero(bitmap, PORTS_PER_CHAIN);
 			spin_lock_bh(&hslot->lock);
-			if (!udp_lib_lport_inuse(net, snum, hslot, sk, saddr_comp))
-				break;
-			spin_unlock_bh(&hslot->lock);
+			udp_lib_lport_inuse(net, snum, hslot, bitmap, sk,
+					    saddr_comp);
+
+			snum = first;
+			/*
+			 * Iterate on all possible values of snum for this hash.
+			 * Using steps of an odd multiple of UDP_HTABLE_SIZE
+			 * give us randomization and full range coverage.
+			 */
 			do {
-				snum = snum + rand;
-			} while (snum < low || snum > high);
-			if (snum == first)
-				goto fail;
+				if (low <= snum && snum <= high &&
+				    !test_bit(snum / UDP_HTABLE_SIZE, bitmap))
+					goto found;
+				snum += rand;
+			} while (snum != first);
+			spin_unlock_bh(&hslot->lock);
 		}
+		goto fail;
 	} else {
 		hslot = &udptable->hash[udp_hashfn(net, snum)];
 		spin_lock_bh(&hslot->lock);
-		if (udp_lib_lport_inuse(net, snum, hslot, sk, saddr_comp))
+		if (udp_lib_lport_inuse(net, snum, hslot, NULL, sk, saddr_comp))
 			goto fail_unlock;
 	}
+found:
 	inet_sk(sk)->num = snum;
 	sk->sk_hash = snum;
 	if (sk_unhashed(sk)) {
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index e92ad84..f9afb45 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -4250,7 +4250,7 @@
 			.procname	=	"mc_forwarding",
 			.data		=	&ipv6_devconf.mc_forwarding,
 			.maxlen		=	sizeof(int),
-			.mode		=	0644,
+			.mode		=	0444,
 			.proc_handler	=	proc_dointvec,
 		},
 #endif
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 4f43384..36dff88 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -443,10 +443,10 @@
 	if (xfrm_decode_session_reverse(skb, &fl2, AF_INET6))
 		goto relookup_failed;
 
-	if (ip6_dst_lookup(sk, &dst2, &fl))
+	if (ip6_dst_lookup(sk, &dst2, &fl2))
 		goto relookup_failed;
 
-	err = xfrm_lookup(net, &dst2, &fl, sk, XFRM_LOOKUP_ICMP);
+	err = xfrm_lookup(net, &dst2, &fl2, sk, XFRM_LOOKUP_ICMP);
 	switch (err) {
 	case 0:
 		dst_release(dst);
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
index 936f489..f171e8d 100644
--- a/net/ipv6/ip6_input.c
+++ b/net/ipv6/ip6_input.c
@@ -255,6 +255,7 @@
 	 *      IPv6 multicast router mode is now supported ;)
 	 */
 	if (dev_net(skb->dev)->ipv6.devconf_all->mc_forwarding &&
+	    !(ipv6_addr_type(&hdr->daddr) & IPV6_ADDR_LINKLOCAL) &&
 	    likely(!(IP6CB(skb)->flags & IP6SKB_FORWARDED))) {
 		/*
 		 * Okay, we try to forward - split and duplicate
@@ -316,7 +317,6 @@
 		}
 
 		if (skb2) {
-			skb2->dev = skb2->dst->dev;
 			ip6_mr_input(skb2);
 		}
 	}
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 3c51b2d8..d19a84b 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -365,7 +365,9 @@
 	pim = (struct pimreghdr *)skb_transport_header(skb);
 	if (pim->type != ((PIM_VERSION << 4) | PIM_REGISTER) ||
 	    (pim->flags & PIM_NULL_REGISTER) ||
-	    (ip_compute_csum((void *)pim, sizeof(*pim)) != 0 &&
+	    (csum_ipv6_magic(&ipv6_hdr(skb)->saddr, &ipv6_hdr(skb)->daddr,
+			     sizeof(*pim), IPPROTO_PIM,
+			     csum_partial((void *)pim, sizeof(*pim), 0)) &&
 	     csum_fold(skb_checksum(skb, 0, skb->len, 0))))
 		goto drop;
 
@@ -392,7 +394,7 @@
 	skb_pull(skb, (u8 *)encap - skb->data);
 	skb_reset_network_header(skb);
 	skb->dev = reg_dev;
-	skb->protocol = htons(ETH_P_IP);
+	skb->protocol = htons(ETH_P_IPV6);
 	skb->ip_summed = 0;
 	skb->pkt_type = PACKET_HOST;
 	dst_release(skb->dst);
@@ -481,6 +483,7 @@
 {
 	struct mif_device *v;
 	struct net_device *dev;
+	struct inet6_dev *in6_dev;
 	if (vifi < 0 || vifi >= net->ipv6.maxvif)
 		return -EADDRNOTAVAIL;
 
@@ -513,6 +516,10 @@
 
 	dev_set_allmulti(dev, -1);
 
+	in6_dev = __in6_dev_get(dev);
+	if (in6_dev)
+		in6_dev->cnf.mc_forwarding--;
+
 	if (v->flags & MIFF_REGISTER)
 		unregister_netdevice(dev);
 
@@ -622,6 +629,7 @@
 	int vifi = vifc->mif6c_mifi;
 	struct mif_device *v = &net->ipv6.vif6_table[vifi];
 	struct net_device *dev;
+	struct inet6_dev *in6_dev;
 	int err;
 
 	/* Is vif busy ? */
@@ -662,6 +670,10 @@
 		return -EINVAL;
 	}
 
+	in6_dev = __in6_dev_get(dev);
+	if (in6_dev)
+		in6_dev->cnf.mc_forwarding++;
+
 	/*
 	 *	Fill in the VIF structures
 	 */
@@ -838,8 +850,6 @@
 
 	skb->dst = dst_clone(pkt->dst);
 	skb->ip_summed = CHECKSUM_UNNECESSARY;
-
-	skb_pull(skb, sizeof(struct ipv6hdr));
 	}
 
 	if (net->ipv6.mroute6_sk == NULL) {
@@ -1222,8 +1232,10 @@
 
 	rtnl_lock();
 	write_lock_bh(&mrt_lock);
-	if (likely(net->ipv6.mroute6_sk == NULL))
+	if (likely(net->ipv6.mroute6_sk == NULL)) {
 		net->ipv6.mroute6_sk = sk;
+		net->ipv6.devconf_all->mc_forwarding++;
+	}
 	else
 		err = -EADDRINUSE;
 	write_unlock_bh(&mrt_lock);
@@ -1242,6 +1254,7 @@
 	if (sk == net->ipv6.mroute6_sk) {
 		write_lock_bh(&mrt_lock);
 		net->ipv6.mroute6_sk = NULL;
+		net->ipv6.devconf_all->mc_forwarding--;
 		write_unlock_bh(&mrt_lock);
 
 		mroute_clean_tables(net);
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index c4a5982..9c57423 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -794,7 +794,7 @@
 		.proto = iph->nexthdr,
 	};
 
-	if (rt6_need_strict(&iph->daddr))
+	if (rt6_need_strict(&iph->daddr) && skb->dev->type != ARPHRD_PIMREG)
 		flags |= RT6_LOOKUP_F_IFACE;
 
 	skb->dst = fib6_rule_lookup(net, &fl, flags, ip6_pol_route_input);