31 files changed, 456 insertions, 161 deletions

diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c
index 6c1323940263..e9db889d6222 100644
--- a/net/8021q/vlan_core.c
+++ b/net/8021q/vlan_core.c
@@ -62,13 +62,13 @@ struct net_device *vlan_dev_real_dev(const struct net_device *dev)
 {
 	return vlan_dev_info(dev)->real_dev;
 }
-EXPORT_SYMBOL_GPL(vlan_dev_real_dev);
+EXPORT_SYMBOL(vlan_dev_real_dev);
 
 u16 vlan_dev_vlan_id(const struct net_device *dev)
 {
 	return vlan_dev_info(dev)->vlan_id;
 }
-EXPORT_SYMBOL_GPL(vlan_dev_vlan_id);
+EXPORT_SYMBOL(vlan_dev_vlan_id);
 
 static int vlan_gro_common(struct napi_struct *napi, struct vlan_group *grp,
 			   unsigned int vlan_tci, struct sk_buff *skb)
diff --git a/net/9p/client.c b/net/9p/client.c
index 821f1ec0b2c3..1eb580c38fbb 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -618,7 +618,7 @@ static struct p9_fid *p9_fid_create(struct p9_client *clnt)
 		return ERR_PTR(-ENOMEM);
 
 	ret = p9_idpool_get(clnt->fidpool);
-	if (fid->fid < 0) {
+	if (ret < 0) {
 		ret = -ENOSPC;
 		goto error;
 	}
diff --git a/net/Kconfig b/net/Kconfig
index bf2776018f71..cdb8fdef6c4a 100644
--- a/net/Kconfig
+++ b/net/Kconfig
@@ -24,14 +24,6 @@ if NET
 
 menu "Networking options"
 
-config NET_NS
-	bool "Network namespace support"
-	default n
-	depends on EXPERIMENTAL && NAMESPACES
-	help
-	  Allow user space to create what appear to be multiple instances
-	  of the network stack.
-
 config COMPAT_NET_DEV_OPS
        def_bool y
 
diff --git a/net/core/dev.c b/net/core/dev.c
index 8d675975d85b..5379b0c1190a 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1534,7 +1534,19 @@ struct sk_buff *skb_gso_segment(struct sk_buff *skb, int features)
 	skb->mac_len = skb->network_header - skb->mac_header;
 	__skb_pull(skb, skb->mac_len);
 
-	if (WARN_ON(skb->ip_summed != CHECKSUM_PARTIAL)) {
+	if (unlikely(skb->ip_summed != CHECKSUM_PARTIAL)) {
+		struct net_device *dev = skb->dev;
+		struct ethtool_drvinfo info = {};
+
+		if (dev && dev->ethtool_ops && dev->ethtool_ops->get_drvinfo)
+			dev->ethtool_ops->get_drvinfo(dev, &info);
+
+		WARN(1, "%s: caps=(0x%lx, 0x%lx) len=%d data_len=%d "
+			"ip_summed=%d",
+		     info.driver, dev ? dev->features : 0L,
+		     skb->sk ? skb->sk->sk_route_caps : 0L,
+		     skb->len, skb->data_len, skb->ip_summed);
+
 		if (skb_header_cloned(skb) &&
 		    (err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC)))
 			return ERR_PTR(err);
@@ -2524,6 +2536,7 @@ struct sk_buff *napi_fraginfo_skb(struct napi_struct *napi,
 
 	if (!pskb_may_pull(skb, ETH_HLEN)) {
 		napi_reuse_skb(napi, skb);
+		skb = NULL;
 		goto out;
 	}
 
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 55cffad2f328..55151faaf90c 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -341,8 +341,8 @@ again:
 	rv = register_pernet_operations(first_device, ops);
 	if (rv < 0)
 		ida_remove(&net_generic_ids, *id);
-	mutex_unlock(&net_mutex);
 out:
+	mutex_unlock(&net_mutex);
 	return rv;
 }
 EXPORT_SYMBOL_GPL(register_pernet_gen_subsys);
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 65eac7739033..da74b844f4ea 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -73,17 +73,13 @@ static struct kmem_cache *skbuff_fclone_cache __read_mostly;
 static void sock_pipe_buf_release(struct pipe_inode_info *pipe,
 				  struct pipe_buffer *buf)
 {
-	struct sk_buff *skb = (struct sk_buff *) buf->private;
-
-	kfree_skb(skb);
+	put_page(buf->page);
 }
 
 static void sock_pipe_buf_get(struct pipe_inode_info *pipe,
 				struct pipe_buffer *buf)
 {
-	struct sk_buff *skb = (struct sk_buff *) buf->private;
-
-	skb_get(skb);
+	get_page(buf->page);
 }
 
 static int sock_pipe_buf_steal(struct pipe_inode_info *pipe,
@@ -1334,9 +1330,19 @@ fault:
  */
 static void sock_spd_release(struct splice_pipe_desc *spd, unsigned int i)
 {
-	struct sk_buff *skb = (struct sk_buff *) spd->partial[i].private;
+	put_page(spd->pages[i]);
+}
 
-	kfree_skb(skb);
+static inline struct page *linear_to_page(struct page *page, unsigned int len,
+					  unsigned int offset)
+{
+	struct page *p = alloc_pages(GFP_KERNEL, 0);
+
+	if (!p)
+		return NULL;
+	memcpy(page_address(p) + offset, page_address(page) + offset, len);
+
+	return p;
 }
 
 /*
@@ -1344,16 +1350,23 @@ static void sock_spd_release(struct splice_pipe_desc *spd, unsigned int i)
  */
 static inline int spd_fill_page(struct splice_pipe_desc *spd, struct page *page,
 				unsigned int len, unsigned int offset,
-				struct sk_buff *skb)
+				struct sk_buff *skb, int linear)
 {
 	if (unlikely(spd->nr_pages == PIPE_BUFFERS))
 		return 1;
 
+	if (linear) {
+		page = linear_to_page(page, len, offset);
+		if (!page)
+			return 1;
+	} else
+		get_page(page);
+
 	spd->pages[spd->nr_pages] = page;
 	spd->partial[spd->nr_pages].len = len;
 	spd->partial[spd->nr_pages].offset = offset;
-	spd->partial[spd->nr_pages].private = (unsigned long) skb_get(skb);
 	spd->nr_pages++;
+
 	return 0;
 }
 
@@ -1369,7 +1382,7 @@ static inline void __segment_seek(struct page **page, unsigned int *poff,
 static inline int __splice_segment(struct page *page, unsigned int poff,
 				   unsigned int plen, unsigned int *off,
 				   unsigned int *len, struct sk_buff *skb,
-				   struct splice_pipe_desc *spd)
+				   struct splice_pipe_desc *spd, int linear)
 {
 	if (!*len)
 		return 1;
@@ -1392,7 +1405,7 @@ static inline int __splice_segment(struct page *page, unsigned int poff,
 		/* the linear region may spread across several pages  */
 		flen = min_t(unsigned int, flen, PAGE_SIZE - poff);
 
-		if (spd_fill_page(spd, page, flen, poff, skb))
+		if (spd_fill_page(spd, page, flen, poff, skb, linear))
 			return 1;
 
 		__segment_seek(&page, &poff, &plen, flen);
@@ -1419,7 +1432,7 @@ static int __skb_splice_bits(struct sk_buff *skb, unsigned int *offset,
 	if (__splice_segment(virt_to_page(skb->data),
 			     (unsigned long) skb->data & (PAGE_SIZE - 1),
 			     skb_headlen(skb),
-			     offset, len, skb, spd))
+			     offset, len, skb, spd, 1))
 		return 1;
 
 	/*
@@ -1429,7 +1442,7 @@ static int __skb_splice_bits(struct sk_buff *skb, unsigned int *offset,
 		const skb_frag_t *f = &skb_shinfo(skb)->frags[seg];
 
 		if (__splice_segment(f->page, f->page_offset, f->size,
-				     offset, len, skb, spd))
+				     offset, len, skb, spd, 0))
 			return 1;
 	}
 
@@ -1442,7 +1455,7 @@ static int __skb_splice_bits(struct sk_buff *skb, unsigned int *offset,
  * the frag list, if such a thing exists. We'd probably need to recurse to
  * handle that cleanly.
  */
-int skb_splice_bits(struct sk_buff *__skb, unsigned int offset,
+int skb_splice_bits(struct sk_buff *skb, unsigned int offset,
 		    struct pipe_inode_info *pipe, unsigned int tlen,
 		    unsigned int flags)
 {
@@ -1455,16 +1468,6 @@ int skb_splice_bits(struct sk_buff *__skb, unsigned int offset,
 		.ops = &sock_pipe_buf_ops,
 		.spd_release = sock_spd_release,
 	};
-	struct sk_buff *skb;
-
-	/*
-	 * I'd love to avoid the clone here, but tcp_read_sock()
-	 * ignores reference counts and unconditonally kills the sk_buff
-	 * on return from the actor.
-	 */
-	skb = skb_clone(__skb, GFP_KERNEL);
-	if (unlikely(!skb))
-		return -ENOMEM;
 
 	/*
 	 * __skb_splice_bits() only fails if the output has no room left,
@@ -1488,15 +1491,9 @@ int skb_splice_bits(struct sk_buff *__skb, unsigned int offset,
 	}
 
 done:
-	/*
-	 * drop our reference to the clone, the pipe consumption will
-	 * drop the rest.
-	 */
-	kfree_skb(skb);
-
 	if (spd.nr_pages) {
+		struct sock *sk = skb->sk;
 		int ret;
-		struct sock *sk = __skb->sk;
 
 		/*
 		 * Drop the socket lock, otherwise we have reverse
@@ -2215,10 +2212,10 @@ unsigned int skb_seq_read(unsigned int consumed, const u8 **data,
 		return 0;
 
 next_skb:
-	block_limit = skb_headlen(st->cur_skb);
+	block_limit = skb_headlen(st->cur_skb) + st->stepped_offset;
 
 	if (abs_offset < block_limit) {
-		*data = st->cur_skb->data + abs_offset;
+		*data = st->cur_skb->data + (abs_offset - st->stepped_offset);
 		return block_limit - abs_offset;
 	}
 
@@ -2253,13 +2250,14 @@ next_skb:
 		st->frag_data = NULL;
 	}
 
-	if (st->cur_skb->next) {
-		st->cur_skb = st->cur_skb->next;
+	if (st->root_skb == st->cur_skb &&
+	    skb_shinfo(st->root_skb)->frag_list) {
+		st->cur_skb = skb_shinfo(st->root_skb)->frag_list;
 		st->frag_idx = 0;
 		goto next_skb;
-	} else if (st->root_skb == st->cur_skb &&
-		   skb_shinfo(st->root_skb)->frag_list) {
-		st->cur_skb = skb_shinfo(st->root_skb)->frag_list;
+	} else if (st->cur_skb->next) {
+		st->cur_skb = st->cur_skb->next;
+		st->frag_idx = 0;
 		goto next_skb;
 	}
 
@@ -2588,8 +2586,9 @@ int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb)
 	struct sk_buff *nskb;
 	unsigned int headroom;
 	unsigned int hlen = p->data - skb_mac_header(p);
+	unsigned int len = skb->len;
 
-	if (hlen + p->len + skb->len >= 65536)
+	if (hlen + p->len + len >= 65536)
 		return -E2BIG;
 
 	if (skb_shinfo(p)->frag_list)
@@ -2651,9 +2650,9 @@ merge:
 
 done:
 	NAPI_GRO_CB(p)->count++;
-	p->data_len += skb->len;
-	p->truesize += skb->len;
-	p->len += skb->len;
+	p->data_len += len;
+	p->truesize += len;
+	p->len += len;
 
 	NAPI_GRO_CB(skb)->same_flow = 1;
 	return 0;
diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
index 42a0f3dd3fd6..d722013c1cae 100644
--- a/net/ipv4/ipconfig.c
+++ b/net/ipv4/ipconfig.c
@@ -1268,6 +1268,9 @@ __be32 __init root_nfs_parse_addr(char *name)
 static int __init ip_auto_config(void)
 {
 	__be32 addr;
+#ifdef IPCONFIG_DYNAMIC
+	int retries = CONF_OPEN_RETRIES;
+#endif
 
 #ifdef CONFIG_PROC_FS
 	proc_net_fops_create(&init_net, "pnp", S_IRUGO, &pnp_seq_fops);
@@ -1304,9 +1307,6 @@ static int __init ip_auto_config(void)
 #endif
 	    ic_first_dev->next) {
 #ifdef IPCONFIG_DYNAMIC
-
-		int retries = CONF_OPEN_RETRIES;
-
 		if (ic_dynamic() < 0) {
 			ic_close_devs();
 
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 0cd71b84e483..76b148bcb0dc 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -524,7 +524,8 @@ static int tcp_splice_data_recv(read_descriptor_t *rd_desc, struct sk_buff *skb,
 	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/tcp_output.c b/net/ipv4/tcp_output.c
index 557fe16cbfb0..dda42f0bd7a3 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -663,14 +663,10 @@ static int tcp_transmit_skb(struct sock *sk, struct sk_buff *skb, int clone_it,
 	th->urg_ptr		= 0;
 
 	/* The urg_mode check is necessary during a below snd_una win probe */
-	if (unlikely(tcp_urg_mode(tp))) {
-		if (between(tp->snd_up, tcb->seq + 1, tcb->seq + 0xFFFF)) {
-			th->urg_ptr = htons(tp->snd_up - tcb->seq);
-			th->urg = 1;
-		} else if (after(tcb->seq + 0xFFFF, tp->snd_nxt)) {
-			th->urg_ptr = 0xFFFF;
-			th->urg = 1;
-		}
+	if (unlikely(tcp_urg_mode(tp) &&
+		     between(tp->snd_up, tcb->seq + 1, tcb->seq + 0xFFFF))) {
+		th->urg_ptr		= htons(tp->snd_up - tcb->seq);
+		th->urg			= 1;
 	}
 
 	tcp_options_write((__be32 *)(th + 1), tp, &opts, &md5_hash_location);
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index cf5ab0581eba..cc3a0a06c004 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -120,8 +120,11 @@ EXPORT_SYMBOL(sysctl_udp_wmem_min);
 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 @@ static int udp_lib_lport_inuse(struct net *net, __u16 num,
 	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 @@ int udp_lib_get_port(struct sock *sk, unsigned short snum,
 	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)) {
@@ -992,9 +1015,11 @@ static int __udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
 
 	if ((rc = sock_queue_rcv_skb(sk, skb)) < 0) {
 		/* Note that an ENOMEM error is charged twice */
-		if (rc == -ENOMEM)
+		if (rc == -ENOMEM) {
 			UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_RCVBUFERRORS,
 					 is_udplite);
+			atomic_inc(&sk->sk_drops);
+		}
 		goto drop;
 	}
 
@@ -1206,7 +1231,7 @@ int __udp4_lib_rcv(struct sk_buff *skb, struct udp_table *udptable,
 		   int proto)
 {
 	struct sock *sk;
-	struct udphdr *uh = udp_hdr(skb);
+	struct udphdr *uh;
 	unsigned short ulen;
 	struct rtable *rt = (struct rtable*)skb->dst;
 	__be32 saddr = ip_hdr(skb)->saddr;
@@ -1219,6 +1244,7 @@ int __udp4_lib_rcv(struct sk_buff *skb, struct udp_table *udptable,
 	if (!pskb_may_pull(skb, sizeof(struct udphdr)))
 		goto drop;		/* No space for header. */
 
+	uh   = udp_hdr(skb);
 	ulen = ntohs(uh->len);
 	if (ulen > skb->len)
 		goto short_packet;
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index e92ad8455c63..f9afb452249c 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -4250,7 +4250,7 @@ static struct addrconf_sysctl_table
 			.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/af_inet6.c b/net/ipv6/af_inet6.c
index 94f74f5b0cbf..c802bc1658a8 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -797,6 +797,7 @@ static struct sk_buff **ipv6_gro_receive(struct sk_buff **head,
 	unsigned int nlen;
 	int flush = 1;
 	int proto;
+	__wsum csum;
 
 	if (unlikely(!pskb_may_pull(skb, sizeof(*iph))))
 		goto out;
@@ -808,6 +809,7 @@ static struct sk_buff **ipv6_gro_receive(struct sk_buff **head,
 
 	rcu_read_lock();
 	proto = ipv6_gso_pull_exthdrs(skb, iph->nexthdr);
+	iph = ipv6_hdr(skb);
 	IPV6_GRO_CB(skb)->proto = proto;
 	ops = rcu_dereference(inet6_protos[proto]);
 	if (!ops || !ops->gro_receive)
@@ -839,8 +841,13 @@ static struct sk_buff **ipv6_gro_receive(struct sk_buff **head,
 
 	NAPI_GRO_CB(skb)->flush |= flush;
 
+	csum = skb->csum;
+	skb_postpull_rcsum(skb, iph, skb_network_header_len(skb));
+
 	pp = ops->gro_receive(head, skb);
 
+	skb->csum = csum;
+
 out_unlock:
 	rcu_read_unlock();
 
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 4f433847d95f..36dff8807183 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -443,10 +443,10 @@ void icmpv6_send(struct sk_buff *skb, int type, int code, __u32 info,
 	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 936f48946e20..f171e8dbac91 100644
--- a/net/ipv6/ip6_input.c
+++ b/net/ipv6/ip6_input.c
@@ -255,6 +255,7 @@ int ip6_mc_input(struct sk_buff *skb)
 	 *      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 @@ int ip6_mc_input(struct sk_buff *skb)
 		}
 
 		if (skb2) {
-			skb2->dev = skb2->dst->dev;
 			ip6_mr_input(skb2);
 		}
 	}
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 4b15938bef4d..9fb49c3b518a 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -1105,6 +1105,18 @@ static inline int ip6_ufo_append_data(struct sock *sk,
 	return err;
 }
 
+static inline struct ipv6_opt_hdr *ip6_opt_dup(struct ipv6_opt_hdr *src,
+					       gfp_t gfp)
+{
+	return src ? kmemdup(src, (src->hdrlen + 1) * 8, gfp) : NULL;
+}
+
+static inline struct ipv6_rt_hdr *ip6_rthdr_dup(struct ipv6_rt_hdr *src,
+						gfp_t gfp)
+{
+	return src ? kmemdup(src, (src->hdrlen + 1) * 8, gfp) : NULL;
+}
+
 int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
 	int offset, int len, int odd, struct sk_buff *skb),
 	void *from, int length, int transhdrlen,
@@ -1130,17 +1142,37 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
 		 * setup for corking
 		 */
 		if (opt) {
-			if (np->cork.opt == NULL) {
-				np->cork.opt = kmalloc(opt->tot_len,
-						       sk->sk_allocation);
-				if (unlikely(np->cork.opt == NULL))
-					return -ENOBUFS;
-			} else if (np->cork.opt->tot_len < opt->tot_len) {
-				printk(KERN_DEBUG "ip6_append_data: invalid option length\n");
+			if (WARN_ON(np->cork.opt))
 				return -EINVAL;
-			}
-			memcpy(np->cork.opt, opt, opt->tot_len);
-			inet->cork.flags |= IPCORK_OPT;
+
+			np->cork.opt = kmalloc(opt->tot_len, sk->sk_allocation);
+			if (unlikely(np->cork.opt == NULL))
+				return -ENOBUFS;
+
+			np->cork.opt->tot_len = opt->tot_len;
+			np->cork.opt->opt_flen = opt->opt_flen;
+			np->cork.opt->opt_nflen = opt->opt_nflen;
+
+			np->cork.opt->dst0opt = ip6_opt_dup(opt->dst0opt,
+							    sk->sk_allocation);
+			if (opt->dst0opt && !np->cork.opt->dst0opt)
+				return -ENOBUFS;
+
+			np->cork.opt->dst1opt = ip6_opt_dup(opt->dst1opt,
+							    sk->sk_allocation);
+			if (opt->dst1opt && !np->cork.opt->dst1opt)
+				return -ENOBUFS;
+
+			np->cork.opt->hopopt = ip6_opt_dup(opt->hopopt,
+							   sk->sk_allocation);
+			if (opt->hopopt && !np->cork.opt->hopopt)
+				return -ENOBUFS;
+
+			np->cork.opt->srcrt = ip6_rthdr_dup(opt->srcrt,
+							    sk->sk_allocation);
+			if (opt->srcrt && !np->cork.opt->srcrt)
+				return -ENOBUFS;
+
 			/* need source address above miyazawa*/
 		}
 		dst_hold(&rt->u.dst);
@@ -1167,8 +1199,7 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
 	} else {
 		rt = (struct rt6_info *)inet->cork.dst;
 		fl = &inet->cork.fl;
-		if (inet->cork.flags & IPCORK_OPT)
-			opt = np->cork.opt;
+		opt = np->cork.opt;
 		transhdrlen = 0;
 		exthdrlen = 0;
 		mtu = inet->cork.fragsize;
@@ -1407,9 +1438,15 @@ error:
 
 static void ip6_cork_release(struct inet_sock *inet, struct ipv6_pinfo *np)
 {
-	inet->cork.flags &= ~IPCORK_OPT;
-	kfree(np->cork.opt);
-	np->cork.opt = NULL;
+	if (np->cork.opt) {
+		kfree(np->cork.opt->dst0opt);
+		kfree(np->cork.opt->dst1opt);
+		kfree(np->cork.opt->hopopt);
+		kfree(np->cork.opt->srcrt);
+		kfree(np->cork.opt);
+		np->cork.opt = NULL;
+	}
+
 	if (inet->cork.dst) {
 		dst_release(inet->cork.dst);
 		inet->cork.dst = NULL;
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 3c51b2d827f4..228be551e9c1 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -48,6 +48,7 @@
 #include <linux/pim.h>
 #include <net/addrconf.h>
 #include <linux/netfilter_ipv6.h>
+#include <net/ip6_checksum.h>
 
 /* Big lock, protecting vif table, mrt cache and mroute socket state.
    Note that the changes are semaphored via rtnl_lock.
@@ -365,7 +366,9 @@ static int pim6_rcv(struct sk_buff *skb)
 	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 +395,7 @@ static int pim6_rcv(struct sk_buff *skb)
 	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 +484,7 @@ static int mif6_delete(struct net *net, int vifi)
 {
 	struct mif_device *v;
 	struct net_device *dev;
+	struct inet6_dev *in6_dev;
 	if (vifi < 0 || vifi >= net->ipv6.maxvif)
 		return -EADDRNOTAVAIL;
 
@@ -513,6 +517,10 @@ static int mif6_delete(struct net *net, int vifi)
 
 	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 +630,7 @@ static int mif6_add(struct net *net, struct mif6ctl *vifc, int mrtsock)
 	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 +671,10 @@ static int mif6_add(struct net *net, struct mif6ctl *vifc, int mrtsock)
 		return -EINVAL;
 	}
 
+	in6_dev = __in6_dev_get(dev);
+	if (in6_dev)
+		in6_dev->cnf.mc_forwarding++;
+
 	/*
 	 *	Fill in the VIF structures
 	 */
@@ -838,8 +851,6 @@ static int ip6mr_cache_report(struct net *net, struct sk_buff *pkt, mifi_t mifi,
 
 	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 +1233,10 @@ static int ip6mr_sk_init(struct sock *sk)
 
 	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 +1255,7 @@ int ip6mr_sk_done(struct sock *sk)
 	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 c4a59824ac2c..9c574235c905 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -794,7 +794,7 @@ void ip6_route_input(struct sk_buff *skb)
 		.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);
diff --git a/net/key/af_key.c b/net/key/af_key.c
index f8bd8df5e257..7dcbde3ea7d9 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -1285,6 +1285,7 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct net *net,
 				ext_hdrs[SADB_X_EXT_NAT_T_DPORT-1];
 			natt->encap_dport = n_port->sadb_x_nat_t_port_port;
 		}
+		memset(&natt->encap_oa, 0, sizeof(natt->encap_oa));
 	}
 
 	err = xfrm_init_state(x);
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 5ba721b6a399..2b890af01ba4 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -620,8 +620,8 @@ static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata,
 	if (use_short_slot != bss_conf->use_short_slot) {
 #ifdef CONFIG_MAC80211_VERBOSE_DEBUG
 		if (net_ratelimit()) {
-			printk(KERN_DEBUG "%s: switched to %s slot"
-			       " (BSSID=%s)\n",
+			printk(KERN_DEBUG "%s: switched to %s slot time"
+			       " (BSSID=%pM)\n",
 			       sdata->dev->name,
 			       use_short_slot ? "short" : "long",
 			       ifsta->bssid);
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index dc2606d0ae77..e49a5b99cf10 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -195,7 +195,6 @@ struct sta_ampdu_mlme {
  * @tx_packets: number of RX/TX MSDUs
  * @tx_bytes: number of bytes transmitted to this STA
  * @tx_fragments: number of transmitted MPDUs
- * @last_txrate: description of the last used transmit rate
  * @tid_seq: per-TID sequence numbers for sending to this STA
  * @ampdu_mlme: A-MPDU state machine state
  * @timer_to_tid: identity mapping to ID timers
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index a4af3a124cce..4278e545638f 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1307,8 +1307,10 @@ int ieee80211_master_start_xmit(struct sk_buff *skb, struct net_device *dev)
 		if (is_multicast_ether_addr(hdr->addr3))
 			memcpy(hdr->addr1, hdr->addr3, ETH_ALEN);
 		else
-			if (mesh_nexthop_lookup(skb, osdata))
-				return  0;
+			if (mesh_nexthop_lookup(skb, osdata)) {
+				dev_put(odev);
+				return 0;
+			}
 		if (memcmp(odev->dev_addr, hdr->addr4, ETH_ALEN) != 0)
 			IEEE80211_IFSTA_MESH_CTR_INC(&osdata->u.mesh,
 							    fwded_frames);
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index 3dddec6d2f7e..c32a7e8e3a1b 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -831,13 +831,16 @@ ctnetlink_parse_nat_setup(struct nf_conn *ct,
 	if (!parse_nat_setup) {
 #ifdef CONFIG_MODULES
 		rcu_read_unlock();
+		spin_unlock_bh(&nf_conntrack_lock);
 		nfnl_unlock();
 		if (request_module("nf-nat-ipv4") < 0) {
 			nfnl_lock();
+			spin_lock_bh(&nf_conntrack_lock);
 			rcu_read_lock();
 			return -EOPNOTSUPP;
 		}
 		nfnl_lock();
+		spin_lock_bh(&nf_conntrack_lock);
 		rcu_read_lock();
 		if (nfnetlink_parse_nat_setup_hook)
 			return -EAGAIN;
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 5f94db2f3e9e..1fc4a7885c41 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -77,6 +77,7 @@
 #include <linux/poll.h>
 #include <linux/module.h>
 #include <linux/init.h>
+#include <linux/mutex.h>
 
 #ifdef CONFIG_INET
 #include <net/inet_common.h>
@@ -175,6 +176,7 @@ struct packet_sock {
 #endif
 	struct packet_type	prot_hook;
 	spinlock_t		bind_lock;
+	struct mutex		pg_vec_lock;
 	unsigned int		running:1,	/* prot_hook is attached*/
 				auxdata:1,
 				origdev:1;
@@ -220,13 +222,13 @@ static void *packet_lookup_frame(struct packet_sock *po, unsigned int position,
 	h.raw = po->pg_vec[pg_vec_pos] + (frame_offset * po->frame_size);
 	switch (po->tp_version) {
 	case TPACKET_V1:
-		if (status != h.h1->tp_status ? TP_STATUS_USER :
-						TP_STATUS_KERNEL)
+		if (status != (h.h1->tp_status ? TP_STATUS_USER :
+						TP_STATUS_KERNEL))
 			return NULL;
 		break;
 	case TPACKET_V2:
-		if (status != h.h2->tp_status ? TP_STATUS_USER :
-						TP_STATUS_KERNEL)
+		if (status != (h.h2->tp_status ? TP_STATUS_USER :
+						TP_STATUS_KERNEL))
 			return NULL;
 		break;
 	}
@@ -1069,6 +1071,7 @@ static int packet_create(struct net *net, struct socket *sock, int protocol)
 	 */
 
 	spin_lock_init(&po->bind_lock);
+	mutex_init(&po->pg_vec_lock);
 	po->prot_hook.func = packet_rcv;
 
 	if (sock->type == SOCK_PACKET)
@@ -1865,6 +1868,7 @@ static int packet_set_ring(struct sock *sk, struct tpacket_req *req, int closing
 	synchronize_net();
 
 	err = -EBUSY;
+	mutex_lock(&po->pg_vec_lock);
 	if (closing || atomic_read(&po->mapped) == 0) {
 		err = 0;
 #define XC(a, b) ({ __typeof__ ((a)) __t; __t = (a); (a) = (b); __t; })
@@ -1886,6 +1890,7 @@ static int packet_set_ring(struct sock *sk, struct tpacket_req *req, int closing
 		if (atomic_read(&po->mapped))
 			printk(KERN_DEBUG "packet_mmap: vma is busy: %d\n", atomic_read(&po->mapped));
 	}
+	mutex_unlock(&po->pg_vec_lock);
 
 	spin_lock(&po->bind_lock);
 	if (was_running && !po->running) {
@@ -1918,7 +1923,7 @@ static int packet_mmap(struct file *file, struct socket *sock, struct vm_area_st
 
 	size = vma->vm_end - vma->vm_start;
 
-	lock_sock(sk);
+	mutex_lock(&po->pg_vec_lock);
 	if (po->pg_vec == NULL)
 		goto out;
 	if (size != po->pg_vec_len*po->pg_vec_pages*PAGE_SIZE)
@@ -1941,7 +1946,7 @@ static int packet_mmap(struct file *file, struct socket *sock, struct vm_area_st
 	err = 0;
 
 out:
-	release_sock(sk);
+	mutex_unlock(&po->pg_vec_lock);
 	return err;
 }
 #endif
diff --git a/net/sctp/input.c b/net/sctp/input.c
index bf612d954d41..2e4a8646dbc3 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -249,6 +249,19 @@ int sctp_rcv(struct sk_buff *skb)
 	 */
 	sctp_bh_lock_sock(sk);
 
+	if (sk != rcvr->sk) {
+		/* Our cached sk is different from the rcvr->sk.  This is
+		 * because migrate()/accept() may have moved the association
+		 * to a new socket and released all the sockets.  So now we
+		 * are holding a lock on the old socket while the user may
+		 * be doing something with the new socket.  Switch our veiw
+		 * of the current sk.
+		 */
+		sctp_bh_unlock_sock(sk);
+		sk = rcvr->sk;
+		sctp_bh_lock_sock(sk);
+	}
+
 	if (sock_owned_by_user(sk)) {
 		SCTP_INC_STATS_BH(SCTP_MIB_IN_PKT_BACKLOG);
 		sctp_add_backlog(sk, skb);
diff --git a/net/sctp/output.c b/net/sctp/output.c
index c3f417f7ec6e..73639355157e 100644
--- a/net/sctp/output.c
+++ b/net/sctp/output.c
@@ -324,14 +324,16 @@ append:
 	switch (chunk->chunk_hdr->type) {
 	    case SCTP_CID_DATA:
 		retval = sctp_packet_append_data(packet, chunk);
+		if (SCTP_XMIT_OK != retval)
+			goto finish;
 		/* Disallow SACK bundling after DATA. */
 		packet->has_sack = 1;
 		/* Disallow AUTH bundling after DATA */
 		packet->has_auth = 1;
 		/* Let it be knows that packet has DATA in it */
 		packet->has_data = 1;
-		if (SCTP_XMIT_OK != retval)
-			goto finish;
+		/* timestamp the chunk for rtx purposes */
+		chunk->sent_at = jiffies;
 		break;
 	    case SCTP_CID_COOKIE_ECHO:
 		packet->has_cookie_echo = 1;
@@ -470,7 +472,6 @@ int sctp_packet_transmit(struct sctp_packet *packet)
 			} else
 				chunk->resent = 1;
 
-			chunk->sent_at = jiffies;
 			has_data = 1;
 		}
 
diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index 247ebc95c1e5..bc411c896216 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -929,7 +929,6 @@ static int sctp_outq_flush(struct sctp_outq *q, int rtx_timeout)
 		}
 
 		/* Finally, transmit new packets.  */
-		start_timer = 0;
 		while ((chunk = sctp_outq_dequeue_data(q)) != NULL) {
 			/* RFC 2960 6.5 Every DATA chunk MUST carry a valid
 			 * stream identifier.
@@ -1028,7 +1027,7 @@ static int sctp_outq_flush(struct sctp_outq *q, int rtx_timeout)
 			list_add_tail(&chunk->transmitted_list,
 				      &transport->transmitted);
 
-			sctp_transport_reset_timers(transport, start_timer-1);
+			sctp_transport_reset_timers(transport, 0);
 
 			q->empty = 0;
 
diff --git a/net/sunrpc/Kconfig b/net/sunrpc/Kconfig
new file mode 100644
index 000000000000..5592883e1e4a
--- /dev/null
+++ b/net/sunrpc/Kconfig
@@ -0,0 +1,78 @@
+config SUNRPC
+	tristate
+
+config SUNRPC_GSS
+	tristate
+
+config SUNRPC_XPRT_RDMA
+	tristate
+	depends on SUNRPC && INFINIBAND && INFINIBAND_ADDR_TRANS && EXPERIMENTAL
+	default SUNRPC && INFINIBAND
+	help
+	  This option allows the NFS client and server to support
+	  an RDMA-enabled transport.
+
+	  To compile RPC client RDMA transport support as a module,
+	  choose M here: the module will be called xprtrdma.
+
+	  If unsure, say N.
+
+config SUNRPC_REGISTER_V4
+	bool "Register local RPC services via rpcbind v4 (EXPERIMENTAL)"
+	depends on SUNRPC && EXPERIMENTAL
+	default n
+	help
+	  Sun added support for registering RPC services at an IPv6
+	  address by creating two new versions of the rpcbind protocol
+	  (RFC 1833).
+
+	  This option enables support in the kernel RPC server for
+	  registering kernel RPC services via version 4 of the rpcbind
+	  protocol.  If you enable this option, you must run a portmapper
+	  daemon that supports rpcbind protocol version 4.
+
+	  Serving NFS over IPv6 from knfsd (the kernel's NFS server)
+	  requires that you enable this option and use a portmapper that
+	  supports rpcbind version 4.
+
+	  If unsure, say N to get traditional behavior (register kernel
+	  RPC services using only rpcbind version 2).  Distributions
+	  using the legacy Linux portmapper daemon must say N here.
+
+config RPCSEC_GSS_KRB5
+	tristate "Secure RPC: Kerberos V mechanism (EXPERIMENTAL)"
+	depends on SUNRPC && EXPERIMENTAL
+	select SUNRPC_GSS
+	select CRYPTO
+	select CRYPTO_MD5
+	select CRYPTO_DES
+	select CRYPTO_CBC
+	help
+	  Choose Y here to enable Secure RPC using the Kerberos version 5
+	  GSS-API mechanism (RFC 1964).
+
+	  Secure RPC calls with Kerberos require an auxiliary user-space
+	  daemon which may be found in the Linux nfs-utils package
+	  available from http://linux-nfs.org/.  In addition, user-space
+	  Kerberos support should be installed.
+
+	  If unsure, say N.
+
+config RPCSEC_GSS_SPKM3
+	tristate "Secure RPC: SPKM3 mechanism (EXPERIMENTAL)"
+	depends on SUNRPC && EXPERIMENTAL
+	select SUNRPC_GSS
+	select CRYPTO
+	select CRYPTO_MD5
+	select CRYPTO_DES
+	select CRYPTO_CAST5
+	select CRYPTO_CBC
+	help
+	  Choose Y here to enable Secure RPC using the SPKM3 public key
+	  GSS-API mechansim (RFC 2025).
+
+	  Secure RPC calls with SPKM3 require an auxiliary userspace
+	  daemon which may be found in the Linux nfs-utils package
+	  available from http://linux-nfs.org/.
+
+	  If unsure, say N.
diff --git a/net/wimax/debugfs.c b/net/wimax/debugfs.c
index 87cf4430079c..94d216a46407 100644
--- a/net/wimax/debugfs.c
+++ b/net/wimax/debugfs.c
@@ -28,17 +28,6 @@
 #include "debug-levels.h"
 
 
-/* Debug framework control of debug levels */
-struct d_level D_LEVEL[] = {
-	D_SUBMODULE_DEFINE(debugfs),
-	D_SUBMODULE_DEFINE(id_table),
-	D_SUBMODULE_DEFINE(op_msg),
-	D_SUBMODULE_DEFINE(op_reset),
-	D_SUBMODULE_DEFINE(op_rfkill),
-	D_SUBMODULE_DEFINE(stack),
-};
-size_t D_LEVEL_SIZE = ARRAY_SIZE(D_LEVEL);
-
 #define __debugfs_register(prefix, name, parent)			\
 do {									\
 	result = d_level_register_debugfs(prefix, name, parent);	\
diff --git a/net/wimax/stack.c b/net/wimax/stack.c
index d4da92f8981a..3869c0327882 100644
--- a/net/wimax/stack.c
+++ b/net/wimax/stack.c
@@ -516,6 +516,19 @@ void wimax_dev_rm(struct wimax_dev *wimax_dev)
 }
 EXPORT_SYMBOL_GPL(wimax_dev_rm);
 
+
+/* Debug framework control of debug levels */
+struct d_level D_LEVEL[] = {
+	D_SUBMODULE_DEFINE(debugfs),
+	D_SUBMODULE_DEFINE(id_table),
+	D_SUBMODULE_DEFINE(op_msg),
+	D_SUBMODULE_DEFINE(op_reset),
+	D_SUBMODULE_DEFINE(op_rfkill),
+	D_SUBMODULE_DEFINE(stack),
+};
+size_t D_LEVEL_SIZE = ARRAY_SIZE(D_LEVEL);
+
+
 struct genl_family wimax_gnl_family = {
 	.id = GENL_ID_GENERATE,
 	.name = "WiMAX",
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 4f877535e666..85c9034c59b2 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -421,6 +421,31 @@ static u32 freq_max_bandwidth(const struct ieee80211_freq_range *freq_range,
 	return 0;
 }
 
+/**
+ * freq_in_rule_band - tells us if a frequency is in a frequency band
+ * @freq_range: frequency rule we want to query
+ * @freq_khz: frequency we are inquiring about
+ *
+ * This lets us know if a specific frequency rule is or is not relevant to
+ * a specific frequency's band. Bands are device specific and artificial
+ * definitions (the "2.4 GHz band" and the "5 GHz band"), however it is
+ * safe for now to assume that a frequency rule should not be part of a
+ * frequency's band if the start freq or end freq are off by more than 2 GHz.
+ * This resolution can be lowered and should be considered as we add
+ * regulatory rule support for other "bands".
+ **/
+static bool freq_in_rule_band(const struct ieee80211_freq_range *freq_range,
+	u32 freq_khz)
+{
+#define ONE_GHZ_IN_KHZ	1000000
+	if (abs(freq_khz - freq_range->start_freq_khz) <= (2 * ONE_GHZ_IN_KHZ))
+		return true;
+	if (abs(freq_khz - freq_range->end_freq_khz) <= (2 * ONE_GHZ_IN_KHZ))
+		return true;
+	return false;
+#undef ONE_GHZ_IN_KHZ
+}
+
 /* Converts a country IE to a regulatory domain. A regulatory domain
  * structure has a lot of information which the IE doesn't yet have,
  * so for the other values we use upper max values as we will intersect
@@ -473,6 +498,7 @@ static struct ieee80211_regdomain *country_ie_2_rd(
 	 * calculate the number of reg rules we will need. We will need one
 	 * for each channel subband */
 	while (country_ie_len >= 3) {
+		int end_channel = 0;
 		struct ieee80211_country_ie_triplet *triplet =
 			(struct ieee80211_country_ie_triplet *) country_ie;
 		int cur_sub_max_channel = 0, cur_channel = 0;
@@ -484,9 +510,25 @@ static struct ieee80211_regdomain *country_ie_2_rd(
 			continue;
 		}
 
+		/* 2 GHz */
+		if (triplet->chans.first_channel <= 14)
+			end_channel = triplet->chans.first_channel +
+				triplet->chans.num_channels;
+		else
+			/*
+			 * 5 GHz -- For example in country IEs if the first
+			 * channel given is 36 and the number of channels is 4
+			 * then the individual channel numbers defined for the
+			 * 5 GHz PHY by these parameters are: 36, 40, 44, and 48
+			 * and not 36, 37, 38, 39.
+			 *
+			 * See: http://tinyurl.com/11d-clarification
+			 */
+			end_channel =  triplet->chans.first_channel +
+				(4 * (triplet->chans.num_channels - 1));
+
 		cur_channel = triplet->chans.first_channel;
-		cur_sub_max_channel = ieee80211_channel_to_frequency(
-			cur_channel + triplet->chans.num_channels);
+		cur_sub_max_channel = end_channel;
 
 		/* Basic sanity check */
 		if (cur_sub_max_channel < cur_channel)
@@ -538,6 +580,7 @@ static struct ieee80211_regdomain *country_ie_2_rd(
 
 	/* This time around we fill in the rd */
 	while (country_ie_len >= 3) {
+		int end_channel = 0;
 		struct ieee80211_country_ie_triplet *triplet =
 			(struct ieee80211_country_ie_triplet *) country_ie;
 		struct ieee80211_reg_rule *reg_rule = NULL;
@@ -559,6 +602,14 @@ static struct ieee80211_regdomain *country_ie_2_rd(
 
 		reg_rule->flags = flags;
 
+		/* 2 GHz */
+		if (triplet->chans.first_channel <= 14)
+			end_channel = triplet->chans.first_channel +
+				triplet->chans.num_channels;
+		else
+			end_channel =  triplet->chans.first_channel +
+				(4 * (triplet->chans.num_channels - 1));
+
 		/* The +10 is since the regulatory domain expects
 		 * the actual band edge, not the center of freq for
 		 * its start and end freqs, assuming 20 MHz bandwidth on
@@ -568,8 +619,7 @@ static struct ieee80211_regdomain *country_ie_2_rd(
 				triplet->chans.first_channel) - 10);
 		freq_range->end_freq_khz =
 			MHZ_TO_KHZ(ieee80211_channel_to_frequency(
-				triplet->chans.first_channel +
-					triplet->chans.num_channels) + 10);
+				end_channel) + 10);
 
 		/* Large arbitrary values, we intersect later */
 		/* Increment this if we ever support >= 40 MHz channels
@@ -748,12 +798,23 @@ static u32 map_regdom_flags(u32 rd_flags)
  * 	this value to the maximum allowed bandwidth.
  * @reg_rule: the regulatory rule which we have for this frequency
  *
- * Use this function to get the regulatory rule for a specific frequency.
+ * Use this function to get the regulatory rule for a specific frequency on
+ * a given wireless device. If the device has a specific regulatory domain
+ * it wants to follow we respect that unless a country IE has been received
+ * and processed already.
+ *
+ * Returns 0 if it was able to find a valid regulatory rule which does
+ * apply to the given center_freq otherwise it returns non-zero. It will
+ * also return -ERANGE if we determine the given center_freq does not even have
+ * a regulatory rule for a frequency range in the center_freq's band. See
+ * freq_in_rule_band() for our current definition of a band -- this is purely
+ * subjective and right now its 802.11 specific.
  */
 static int freq_reg_info(u32 center_freq, u32 *bandwidth,
 			 const struct ieee80211_reg_rule **reg_rule)
 {
 	int i;
+	bool band_rule_found = false;
 	u32 max_bandwidth = 0;
 
 	if (!cfg80211_regdomain)
@@ -767,7 +828,15 @@ static int freq_reg_info(u32 center_freq, u32 *bandwidth,
 		rr = &cfg80211_regdomain->reg_rules[i];
 		fr = &rr->freq_range;
 		pr = &rr->power_rule;
+
+		/* We only need to know if one frequency rule was
+		 * was in center_freq's band, that's enough, so lets
+		 * not overwrite it once found */
+		if (!band_rule_found)
+			band_rule_found = freq_in_rule_band(fr, center_freq);
+
 		max_bandwidth = freq_max_bandwidth(fr, center_freq);
+
 		if (max_bandwidth && *bandwidth <= max_bandwidth) {
 			*reg_rule = rr;
 			*bandwidth = max_bandwidth;
@@ -775,23 +844,64 @@ static int freq_reg_info(u32 center_freq, u32 *bandwidth,
 		}
 	}
 
+	if (!band_rule_found)
+		return -ERANGE;
+
 	return !max_bandwidth;
 }
 
-static void handle_channel(struct ieee80211_channel *chan)
+static void handle_channel(struct wiphy *wiphy, enum ieee80211_band band,
+			   unsigned int chan_idx)
 {
 	int r;
-	u32 flags = chan->orig_flags;
+	u32 flags;
 	u32 max_bandwidth = 0;
 	const struct ieee80211_reg_rule *reg_rule = NULL;
 	const struct ieee80211_power_rule *power_rule = NULL;
+	struct ieee80211_supported_band *sband;
+	struct ieee80211_channel *chan;
+
+	sband = wiphy->bands[band];
+	BUG_ON(chan_idx >= sband->n_channels);
+	chan = &sband->channels[chan_idx];
+
+	flags = chan->orig_flags;
 
 	r = freq_reg_info(MHZ_TO_KHZ(chan->center_freq),
 		&max_bandwidth, &reg_rule);
 
 	if (r) {
-		flags |= IEEE80211_CHAN_DISABLED;
-		chan->flags = flags;
+		/* This means no regulatory rule was found in the country IE
+		 * with a frequency range on the center_freq's band, since
+		 * IEEE-802.11 allows for a country IE to have a subset of the
+		 * regulatory information provided in a country we ignore
+		 * disabling the channel unless at least one reg rule was
+		 * found on the center_freq's band. For details see this
+		 * clarification:
+		 *
+		 * http://tinyurl.com/11d-clarification
+		 */
+		if (r == -ERANGE &&
+		    last_request->initiator == REGDOM_SET_BY_COUNTRY_IE) {
+#ifdef CONFIG_CFG80211_REG_DEBUG
+			printk(KERN_DEBUG "cfg80211: Leaving channel %d MHz "
+				"intact on %s - no rule found in band on "
+				"Country IE\n",
+				chan->center_freq, wiphy_name(wiphy));
+#endif
+		} else {
+		/* In this case we know the country IE has at least one reg rule
+		 * for the band so we respect its band definitions */
+#ifdef CONFIG_CFG80211_REG_DEBUG
+			if (last_request->initiator == REGDOM_SET_BY_COUNTRY_IE)
+				printk(KERN_DEBUG "cfg80211: Disabling "
+					"channel %d MHz on %s due to "
+					"Country IE\n",
+					chan->center_freq, wiphy_name(wiphy));
+#endif
+			flags |= IEEE80211_CHAN_DISABLED;
+			chan->flags = flags;
+		}
 		return;
 	}
 
@@ -808,12 +918,16 @@ static void handle_channel(struct ieee80211_channel *chan)
 		chan->max_power = (int) MBM_TO_DBM(power_rule->max_eirp);
 }
 
-static void handle_band(struct ieee80211_supported_band *sband)
+static void handle_band(struct wiphy *wiphy, enum ieee80211_band band)
 {
-	int i;
+	unsigned int i;
+	struct ieee80211_supported_band *sband;
+
+	BUG_ON(!wiphy->bands[band]);
+	sband = wiphy->bands[band];
 
 	for (i = 0; i < sband->n_channels; i++)
-		handle_channel(&sband->channels[i]);
+		handle_channel(wiphy, band, i);
 }
 
 static bool ignore_reg_update(struct wiphy *wiphy, enum reg_set_by setby)
@@ -840,7 +954,7 @@ void wiphy_update_regulatory(struct wiphy *wiphy, enum reg_set_by setby)
 	enum ieee80211_band band;
 	for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
 		if (wiphy->bands[band])
-			handle_band(wiphy->bands[band]);
+			handle_band(wiphy, band);
 		if (wiphy->reg_notifier)
 			wiphy->reg_notifier(wiphy, setby);
 	}
@@ -1170,7 +1284,7 @@ static void reg_country_ie_process_debug(
 	if (intersected_rd) {
 		printk(KERN_DEBUG "cfg80211: We intersect both of these "
 			"and get:\n");
-		print_regdomain_info(rd);
+		print_regdomain_info(intersected_rd);
 		return;
 	}
 	printk(KERN_DEBUG "cfg80211: Intersection between both failed\n");
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index 7877e7975dae..b95a2d64eb59 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -1914,17 +1914,10 @@ static int xfrm_send_migrate(struct xfrm_selector *sel, u8 dir, u8 type,
 }
 #endif
 
-/* For the xfrm_usersa_info cases we have to work around some 32-bit vs.
- * 64-bit compatability issues.  On 32-bit the structure is 220 bytes, but
- * for 64-bit it gets padded out to 224 bytes.  Those bytes are just
- * padding and don't have any content we care about.  Therefore as long
- * as we have enough bytes for the content we can make both cases work.
- */
-
 #define XMSGSIZE(type) sizeof(struct type)
 
 static const int xfrm_msg_min[XFRM_NR_MSGTYPES] = {
-	[XFRM_MSG_NEWSA       - XFRM_MSG_BASE] = 220, /* see above */
+	[XFRM_MSG_NEWSA       - XFRM_MSG_BASE] = XMSGSIZE(xfrm_usersa_info),
 	[XFRM_MSG_DELSA       - XFRM_MSG_BASE] = XMSGSIZE(xfrm_usersa_id),
 	[XFRM_MSG_GETSA       - XFRM_MSG_BASE] = XMSGSIZE(xfrm_usersa_id),
 	[XFRM_MSG_NEWPOLICY   - XFRM_MSG_BASE] = XMSGSIZE(xfrm_userpolicy_info),
@@ -1934,7 +1927,7 @@ static const int xfrm_msg_min[XFRM_NR_MSGTYPES] = {
 	[XFRM_MSG_ACQUIRE     - XFRM_MSG_BASE] = XMSGSIZE(xfrm_user_acquire),
 	[XFRM_MSG_EXPIRE      - XFRM_MSG_BASE] = XMSGSIZE(xfrm_user_expire),
 	[XFRM_MSG_UPDPOLICY   - XFRM_MSG_BASE] = XMSGSIZE(xfrm_userpolicy_info),
-	[XFRM_MSG_UPDSA       - XFRM_MSG_BASE] = 220, /* see above */
+	[XFRM_MSG_UPDSA       - XFRM_MSG_BASE] = XMSGSIZE(xfrm_usersa_info),
 	[XFRM_MSG_POLEXPIRE   - XFRM_MSG_BASE] = XMSGSIZE(xfrm_user_polexpire),
 	[XFRM_MSG_FLUSHSA     - XFRM_MSG_BASE] = XMSGSIZE(xfrm_usersa_flush),
 	[XFRM_MSG_FLUSHPOLICY - XFRM_MSG_BASE] = 0,