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

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1446 commits)
  macvlan: fix panic if lowerdev in a bond
  tg3: Add braces around 5906 workaround.
  tg3: Fix NETIF_F_LOOPBACK error
  macvlan: remove one synchronize_rcu() call
  networking: NET_CLS_ROUTE4 depends on INET
  irda: Fix error propagation in ircomm_lmp_connect_response()
  irda: Kill set but unused variable 'bytes' in irlan_check_command_param()
  irda: Kill set but unused variable 'clen' in ircomm_connect_indication()
  rxrpc: Fix set but unused variable 'usage' in rxrpc_get_transport()
  be2net: Kill set but unused variable 'req' in lancer_fw_download()
  irda: Kill set but unused vars 'saddr' and 'daddr' in irlan_provider_connect_indication()
  atl1c: atl1c_resume() is only used when CONFIG_PM_SLEEP is defined.
  rxrpc: Fix set but unused variable 'usage' in rxrpc_get_peer().
  rxrpc: Kill set but unused variable 'local' in rxrpc_UDP_error_handler()
  rxrpc: Kill set but unused variable 'sp' in rxrpc_process_connection()
  rxrpc: Kill set but unused variable 'sp' in rxrpc_rotate_tx_window()
  pkt_sched: Kill set but unused variable 'protocol' in tc_classify()
  isdn: capi: Use pr_debug() instead of ifdefs.
  tg3: Update version to 3.119
  tg3: Apply rx_discards fix to 5719/5720
  ...

Fix up trivial conflicts in arch/x86/Kconfig and net/mac80211/agg-tx.c
as per Davem.

30 files changed, 404 insertions, 295 deletions

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 8f13d88d7db..498b927f68b 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -289,19 +289,19 @@ static int snmp6_alloc_dev(struct inet6_dev *idev)
 			  sizeof(struct ipstats_mib),
 			  __alignof__(struct ipstats_mib)) < 0)
 		goto err_ip;
-	if (snmp_mib_init((void __percpu **)idev->stats.icmpv6,
-			  sizeof(struct icmpv6_mib),
-			  __alignof__(struct icmpv6_mib)) < 0)
+	idev->stats.icmpv6dev = kzalloc(sizeof(struct icmpv6_mib_device),
+					GFP_KERNEL);
+	if (!idev->stats.icmpv6dev)
 		goto err_icmp;
-	if (snmp_mib_init((void __percpu **)idev->stats.icmpv6msg,
-			  sizeof(struct icmpv6msg_mib),
-			  __alignof__(struct icmpv6msg_mib)) < 0)
+	idev->stats.icmpv6msgdev = kzalloc(sizeof(struct icmpv6msg_mib_device),
+					   GFP_KERNEL);
+	if (!idev->stats.icmpv6msgdev)
 		goto err_icmpmsg;
 
 	return 0;
 
 err_icmpmsg:
-	snmp_mib_free((void __percpu **)idev->stats.icmpv6);
+	kfree(idev->stats.icmpv6dev);
 err_icmp:
 	snmp_mib_free((void __percpu **)idev->stats.ipv6);
 err_ip:
@@ -310,8 +310,8 @@ err_ip:
 
 static void snmp6_free_dev(struct inet6_dev *idev)
 {
-	snmp_mib_free((void __percpu **)idev->stats.icmpv6msg);
-	snmp_mib_free((void __percpu **)idev->stats.icmpv6);
+	kfree(idev->stats.icmpv6msgdev);
+	kfree(idev->stats.icmpv6dev);
 	snmp_mib_free((void __percpu **)idev->stats.ipv6);
 }
 
@@ -813,6 +813,8 @@ static void ipv6_del_addr(struct inet6_ifaddr *ifp)
 		dst_release(&rt->dst);
 	}
 
+	/* clean up prefsrc entries */
+	rt6_remove_prefsrc(ifp);
 out:
 	in6_ifa_put(ifp);
 }
@@ -1269,7 +1271,7 @@ static int ipv6_count_addresses(struct inet6_dev *idev)
 	return cnt;
 }
 
-int ipv6_chk_addr(struct net *net, struct in6_addr *addr,
+int ipv6_chk_addr(struct net *net, const struct in6_addr *addr,
 		  struct net_device *dev, int strict)
 {
 	struct inet6_ifaddr *ifp;
@@ -1312,7 +1314,7 @@ static bool ipv6_chk_same_addr(struct net *net, const struct in6_addr *addr,
 	return false;
 }
 
-int ipv6_chk_prefix(struct in6_addr *addr, struct net_device *dev)
+int ipv6_chk_prefix(const struct in6_addr *addr, struct net_device *dev)
 {
 	struct inet6_dev *idev;
 	struct inet6_ifaddr *ifa;
@@ -1443,7 +1445,7 @@ void addrconf_dad_failure(struct inet6_ifaddr *ifp)
 
 /* Join to solicited addr multicast group. */
 
-void addrconf_join_solict(struct net_device *dev, struct in6_addr *addr)
+void addrconf_join_solict(struct net_device *dev, const struct in6_addr *addr)
 {
 	struct in6_addr maddr;
 
@@ -1454,7 +1456,7 @@ void addrconf_join_solict(struct net_device *dev, struct in6_addr *addr)
 	ipv6_dev_mc_inc(dev, &maddr);
 }
 
-void addrconf_leave_solict(struct inet6_dev *idev, struct in6_addr *addr)
+void addrconf_leave_solict(struct inet6_dev *idev, const struct in6_addr *addr)
 {
 	struct in6_addr maddr;
 
@@ -2099,7 +2101,7 @@ err_exit:
 /*
  *	Manual configuration of address on an interface
  */
-static int inet6_addr_add(struct net *net, int ifindex, struct in6_addr *pfx,
+static int inet6_addr_add(struct net *net, int ifindex, const struct in6_addr *pfx,
 			  unsigned int plen, __u8 ifa_flags, __u32 prefered_lft,
 			  __u32 valid_lft)
 {
@@ -2173,7 +2175,7 @@ static int inet6_addr_add(struct net *net, int ifindex, struct in6_addr *pfx,
 	return PTR_ERR(ifp);
 }
 
-static int inet6_addr_del(struct net *net, int ifindex, struct in6_addr *pfx,
+static int inet6_addr_del(struct net *net, int ifindex, const struct in6_addr *pfx,
 			  unsigned int plen)
 {
 	struct inet6_ifaddr *ifp;
@@ -2336,7 +2338,7 @@ static void init_loopback(struct net_device *dev)
 	add_addr(idev, &in6addr_loopback, 128, IFA_HOST);
 }
 
-static void addrconf_add_linklocal(struct inet6_dev *idev, struct in6_addr *addr)
+static void addrconf_add_linklocal(struct inet6_dev *idev, const struct in6_addr *addr)
 {
 	struct inet6_ifaddr * ifp;
 	u32 addr_flags = IFA_F_PERMANENT;
@@ -3107,7 +3109,7 @@ void if6_proc_exit(void)
 
 #if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
 /* Check if address is a home address configured on any interface. */
-int ipv6_chk_home_addr(struct net *net, struct in6_addr *addr)
+int ipv6_chk_home_addr(struct net *net, const struct in6_addr *addr)
 {
 	int ret = 0;
 	struct inet6_ifaddr *ifp = NULL;
@@ -3824,7 +3826,7 @@ static inline size_t inet6_if_nlmsg_size(void)
 	       + nla_total_size(inet6_ifla6_size()); /* IFLA_PROTINFO */
 }
 
-static inline void __snmp6_fill_stats(u64 *stats, void __percpu **mib,
+static inline void __snmp6_fill_statsdev(u64 *stats, atomic_long_t *mib,
 				      int items, int bytes)
 {
 	int i;
@@ -3834,7 +3836,7 @@ static inline void __snmp6_fill_stats(u64 *stats, void __percpu **mib,
 	/* Use put_unaligned() because stats may not be aligned for u64. */
 	put_unaligned(items, &stats[0]);
 	for (i = 1; i < items; i++)
-		put_unaligned(snmp_fold_field(mib, i), &stats[i]);
+		put_unaligned(atomic_long_read(&mib[i]), &stats[i]);
 
 	memset(&stats[items], 0, pad);
 }
@@ -3863,7 +3865,7 @@ static void snmp6_fill_stats(u64 *stats, struct inet6_dev *idev, int attrtype,
 				     IPSTATS_MIB_MAX, bytes, offsetof(struct ipstats_mib, syncp));
 		break;
 	case IFLA_INET6_ICMP6STATS:
-		__snmp6_fill_stats(stats, (void __percpu **)idev->stats.icmpv6, ICMP6_MIB_MAX, bytes);
+		__snmp6_fill_statsdev(stats, idev->stats.icmpv6dev->mibs, ICMP6_MIB_MAX, bytes);
 		break;
 	}
 }
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index afcc7099f96..b7919f901fb 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -740,7 +740,7 @@ static int ipv6_gso_pull_exthdrs(struct sk_buff *skb, int proto)
 
 static int ipv6_gso_send_check(struct sk_buff *skb)
 {
-	struct ipv6hdr *ipv6h;
+	const struct ipv6hdr *ipv6h;
 	const struct inet6_protocol *ops;
 	int err = -EINVAL;
 
diff --git a/net/ipv6/anycast.c b/net/ipv6/anycast.c
index 0e5e943446f..674255f5e6b 100644
--- a/net/ipv6/anycast.c
+++ b/net/ipv6/anycast.c
@@ -44,7 +44,7 @@
 
 #include <net/checksum.h>
 
-static int ipv6_dev_ac_dec(struct net_device *dev, struct in6_addr *addr);
+static int ipv6_dev_ac_dec(struct net_device *dev, const struct in6_addr *addr);
 
 /* Big ac list lock for all the sockets */
 static DEFINE_RWLOCK(ipv6_sk_ac_lock);
@@ -54,7 +54,7 @@ static DEFINE_RWLOCK(ipv6_sk_ac_lock);
  *	socket join an anycast group
  */
 
-int ipv6_sock_ac_join(struct sock *sk, int ifindex, struct in6_addr *addr)
+int ipv6_sock_ac_join(struct sock *sk, int ifindex, const struct in6_addr *addr)
 {
 	struct ipv6_pinfo *np = inet6_sk(sk);
 	struct net_device *dev = NULL;
@@ -145,7 +145,7 @@ error:
 /*
  *	socket leave an anycast group
  */
-int ipv6_sock_ac_drop(struct sock *sk, int ifindex, struct in6_addr *addr)
+int ipv6_sock_ac_drop(struct sock *sk, int ifindex, const struct in6_addr *addr)
 {
 	struct ipv6_pinfo *np = inet6_sk(sk);
 	struct net_device *dev;
@@ -252,7 +252,7 @@ static void aca_put(struct ifacaddr6 *ac)
 /*
  *	device anycast group inc (add if not found)
  */
-int ipv6_dev_ac_inc(struct net_device *dev, struct in6_addr *addr)
+int ipv6_dev_ac_inc(struct net_device *dev, const struct in6_addr *addr)
 {
 	struct ifacaddr6 *aca;
 	struct inet6_dev *idev;
@@ -324,7 +324,7 @@ out:
 /*
  *	device anycast group decrement
  */
-int __ipv6_dev_ac_dec(struct inet6_dev *idev, struct in6_addr *addr)
+int __ipv6_dev_ac_dec(struct inet6_dev *idev, const struct in6_addr *addr)
 {
 	struct ifacaddr6 *aca, *prev_aca;
 
@@ -358,7 +358,7 @@ int __ipv6_dev_ac_dec(struct inet6_dev *idev, struct in6_addr *addr)
 }
 
 /* called with rcu_read_lock() */
-static int ipv6_dev_ac_dec(struct net_device *dev, struct in6_addr *addr)
+static int ipv6_dev_ac_dec(struct net_device *dev, const struct in6_addr *addr)
 {
 	struct inet6_dev *idev = __in6_dev_get(dev);
 
@@ -371,7 +371,7 @@ static int ipv6_dev_ac_dec(struct net_device *dev, struct in6_addr *addr)
  *	check if the interface has this anycast address
  *	called with rcu_read_lock()
  */
-static int ipv6_chk_acast_dev(struct net_device *dev, struct in6_addr *addr)
+static int ipv6_chk_acast_dev(struct net_device *dev, const struct in6_addr *addr)
 {
 	struct inet6_dev *idev;
 	struct ifacaddr6 *aca;
@@ -392,7 +392,7 @@ static int ipv6_chk_acast_dev(struct net_device *dev, struct in6_addr *addr)
  *	check if given interface (or any, if dev==0) has this anycast address
  */
 int ipv6_chk_acast_addr(struct net *net, struct net_device *dev,
-			struct in6_addr *addr)
+			const struct in6_addr *addr)
 {
 	int found = 0;
 
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index 59dccfbb5b1..1ac7938dd9e 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -430,7 +430,7 @@ static void esp6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 		     u8 type, u8 code, int offset, __be32 info)
 {
 	struct net *net = dev_net(skb->dev);
-	struct ipv6hdr *iph = (struct ipv6hdr*)skb->data;
+	const struct ipv6hdr *iph = (const struct ipv6hdr *)skb->data;
 	struct ip_esp_hdr *esph = (struct ip_esp_hdr *)(skb->data + offset);
 	struct xfrm_state *x;
 
@@ -438,7 +438,8 @@ static void esp6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 	    type != ICMPV6_PKT_TOOBIG)
 		return;
 
-	x = xfrm_state_lookup(net, skb->mark, (xfrm_address_t *)&iph->daddr, esph->spi, IPPROTO_ESP, AF_INET6);
+	x = xfrm_state_lookup(net, skb->mark, (const xfrm_address_t *)&iph->daddr,
+			      esph->spi, IPPROTO_ESP, AF_INET6);
 	if (!x)
 		return;
 	printk(KERN_DEBUG "pmtu discovery on SA ESP/%08x/%pI6\n",
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 83cb4f9add8..11900417b1c 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -372,7 +372,7 @@ void icmpv6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info)
 	struct ipv6hdr *hdr = ipv6_hdr(skb);
 	struct sock *sk;
 	struct ipv6_pinfo *np;
-	struct in6_addr *saddr = NULL;
+	const struct in6_addr *saddr = NULL;
 	struct dst_entry *dst;
 	struct icmp6hdr tmp_hdr;
 	struct flowi6 fl6;
@@ -521,7 +521,7 @@ static void icmpv6_echo_reply(struct sk_buff *skb)
 	struct sock *sk;
 	struct inet6_dev *idev;
 	struct ipv6_pinfo *np;
-	struct in6_addr *saddr = NULL;
+	const struct in6_addr *saddr = NULL;
 	struct icmp6hdr *icmph = icmp6_hdr(skb);
 	struct icmp6hdr tmp_hdr;
 	struct flowi6 fl6;
@@ -645,8 +645,8 @@ static int icmpv6_rcv(struct sk_buff *skb)
 {
 	struct net_device *dev = skb->dev;
 	struct inet6_dev *idev = __in6_dev_get(dev);
-	struct in6_addr *saddr, *daddr;
-	struct ipv6hdr *orig_hdr;
+	const struct in6_addr *saddr, *daddr;
+	const struct ipv6hdr *orig_hdr;
 	struct icmp6hdr *hdr;
 	u8 type;
 
diff --git a/net/ipv6/inet6_connection_sock.c b/net/ipv6/inet6_connection_sock.c
index f2c5b0fc0f2..8a58e8cf664 100644
--- a/net/ipv6/inet6_connection_sock.c
+++ b/net/ipv6/inet6_connection_sock.c
@@ -203,7 +203,7 @@ struct dst_entry *__inet6_csk_dst_check(struct sock *sk, u32 cookie)
 	return dst;
 }
 
-int inet6_csk_xmit(struct sk_buff *skb)
+int inet6_csk_xmit(struct sk_buff *skb, struct flowi *fl_unused)
 {
 	struct sock *sk = skb->sk;
 	struct inet_sock *inet = inet_sk(sk);
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 7548905e79e..4076a0b14b2 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -134,9 +134,9 @@ static __inline__ u32 fib6_new_sernum(void)
 # define BITOP_BE32_SWIZZLE	0
 #endif
 
-static __inline__ __be32 addr_bit_set(void *token, int fn_bit)
+static __inline__ __be32 addr_bit_set(const void *token, int fn_bit)
 {
-	__be32 *addr = token;
+	const __be32 *addr = token;
 	/*
 	 * Here,
 	 * 	1 << ((~fn_bit ^ BITOP_BE32_SWIZZLE) & 0x1f)
@@ -394,10 +394,11 @@ static int inet6_dump_fib(struct sk_buff *skb, struct netlink_callback *cb)
 	arg.net = net;
 	w->args = &arg;
 
+	rcu_read_lock();
 	for (h = s_h; h < FIB6_TABLE_HASHSZ; h++, s_e = 0) {
 		e = 0;
 		head = &net->ipv6.fib_table_hash[h];
-		hlist_for_each_entry(tb, node, head, tb6_hlist) {
+		hlist_for_each_entry_rcu(tb, node, head, tb6_hlist) {
 			if (e < s_e)
 				goto next;
 			res = fib6_dump_table(tb, skb, cb);
@@ -408,6 +409,7 @@ next:
 		}
 	}
 out:
+	rcu_read_unlock();
 	cb->args[1] = e;
 	cb->args[0] = h;
 
@@ -822,7 +824,7 @@ st_failure:
 
 struct lookup_args {
 	int		offset;		/* key offset on rt6_info	*/
-	struct in6_addr	*addr;		/* search key			*/
+	const struct in6_addr	*addr;		/* search key			*/
 };
 
 static struct fib6_node * fib6_lookup_1(struct fib6_node *root,
@@ -881,8 +883,8 @@ static struct fib6_node * fib6_lookup_1(struct fib6_node *root,
 	return NULL;
 }
 
-struct fib6_node * fib6_lookup(struct fib6_node *root, struct in6_addr *daddr,
-			       struct in6_addr *saddr)
+struct fib6_node * fib6_lookup(struct fib6_node *root, const struct in6_addr *daddr,
+			       const struct in6_addr *saddr)
 {
 	struct fib6_node *fn;
 	struct lookup_args args[] = {
@@ -916,7 +918,7 @@ struct fib6_node * fib6_lookup(struct fib6_node *root, struct in6_addr *daddr,
 
 
 static struct fib6_node * fib6_locate_1(struct fib6_node *root,
-					struct in6_addr *addr,
+					const struct in6_addr *addr,
 					int plen, int offset)
 {
 	struct fib6_node *fn;
@@ -946,8 +948,8 @@ static struct fib6_node * fib6_locate_1(struct fib6_node *root,
 }
 
 struct fib6_node * fib6_locate(struct fib6_node *root,
-			       struct in6_addr *daddr, int dst_len,
-			       struct in6_addr *saddr, int src_len)
+			       const struct in6_addr *daddr, int dst_len,
+			       const struct in6_addr *saddr, int src_len)
 {
 	struct fib6_node *fn;
 
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
index a83e9209cec..027c7ff6f1e 100644
--- a/net/ipv6/ip6_input.c
+++ b/net/ipv6/ip6_input.c
@@ -57,7 +57,7 @@ inline int ip6_rcv_finish( struct sk_buff *skb)
 
 int ipv6_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev)
 {
-	struct ipv6hdr *hdr;
+	const struct ipv6hdr *hdr;
 	u32 		pkt_len;
 	struct inet6_dev *idev;
 	struct net *net = dev_net(skb->dev);
@@ -186,7 +186,7 @@ resubmit:
 		int ret;
 
 		if (ipprot->flags & INET6_PROTO_FINAL) {
-			struct ipv6hdr *hdr;
+			const struct ipv6hdr *hdr;
 
 			/* Free reference early: we don't need it any more,
 			   and it may hold ip_conntrack module loaded
@@ -242,7 +242,7 @@ int ip6_input(struct sk_buff *skb)
 
 int ip6_mc_input(struct sk_buff *skb)
 {
-	struct ipv6hdr *hdr;
+	const struct ipv6hdr *hdr;
 	int deliver;
 
 	IP6_UPD_PO_STATS_BH(dev_net(skb_dst(skb)->dev),
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 46cf7bea676..9d4b165837d 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -869,9 +869,9 @@ fail:
 	return err;
 }
 
-static inline int ip6_rt_check(struct rt6key *rt_key,
-			       struct in6_addr *fl_addr,
-			       struct in6_addr *addr_cache)
+static inline int ip6_rt_check(const struct rt6key *rt_key,
+			       const struct in6_addr *fl_addr,
+			       const struct in6_addr *addr_cache)
 {
 	return (rt_key->plen != 128 || !ipv6_addr_equal(fl_addr, &rt_key->addr)) &&
 		(addr_cache == NULL || !ipv6_addr_equal(fl_addr, addr_cache));
@@ -879,7 +879,7 @@ static inline int ip6_rt_check(struct rt6key *rt_key,
 
 static struct dst_entry *ip6_sk_dst_check(struct sock *sk,
 					  struct dst_entry *dst,
-					  struct flowi6 *fl6)
+					  const struct flowi6 *fl6)
 {
 	struct ipv6_pinfo *np = inet6_sk(sk);
 	struct rt6_info *rt = (struct rt6_info *)dst;
@@ -930,10 +930,10 @@ static int ip6_dst_lookup_tail(struct sock *sk,
 		goto out_err_release;
 
 	if (ipv6_addr_any(&fl6->saddr)) {
-		err = ipv6_dev_get_saddr(net, ip6_dst_idev(*dst)->dev,
-					 &fl6->daddr,
-					 sk ? inet6_sk(sk)->srcprefs : 0,
-					 &fl6->saddr);
+		struct rt6_info *rt = (struct rt6_info *) *dst;
+		err = ip6_route_get_saddr(net, rt, &fl6->daddr,
+					  sk ? inet6_sk(sk)->srcprefs : 0,
+					  &fl6->saddr);
 		if (err)
 			goto out_err_release;
 	}
@@ -1150,6 +1150,7 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
 {
 	struct inet_sock *inet = inet_sk(sk);
 	struct ipv6_pinfo *np = inet6_sk(sk);
+	struct inet_cork *cork;
 	struct sk_buff *skb;
 	unsigned int maxfraglen, fragheaderlen;
 	int exthdrlen;
@@ -1163,6 +1164,7 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
 
 	if (flags&MSG_PROBE)
 		return 0;
+	cork = &inet->cork.base;
 	if (skb_queue_empty(&sk->sk_write_queue)) {
 		/*
 		 * setup for corking
@@ -1202,7 +1204,7 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
 			/* need source address above miyazawa*/
 		}
 		dst_hold(&rt->dst);
-		inet->cork.dst = &rt->dst;
+		cork->dst = &rt->dst;
 		inet->cork.fl.u.ip6 = *fl6;
 		np->cork.hop_limit = hlimit;
 		np->cork.tclass = tclass;
@@ -1212,10 +1214,10 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
 			if (np->frag_size)
 				mtu = np->frag_size;
 		}
-		inet->cork.fragsize = mtu;
+		cork->fragsize = mtu;
 		if (dst_allfrag(rt->dst.path))
-			inet->cork.flags |= IPCORK_ALLFRAG;
-		inet->cork.length = 0;
+			cork->flags |= IPCORK_ALLFRAG;
+		cork->length = 0;
 		sk->sk_sndmsg_page = NULL;
 		sk->sk_sndmsg_off = 0;
 		exthdrlen = rt->dst.header_len + (opt ? opt->opt_flen : 0) -
@@ -1223,12 +1225,12 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
 		length += exthdrlen;
 		transhdrlen += exthdrlen;
 	} else {
-		rt = (struct rt6_info *)inet->cork.dst;
+		rt = (struct rt6_info *)cork->dst;
 		fl6 = &inet->cork.fl.u.ip6;
 		opt = np->cork.opt;
 		transhdrlen = 0;
 		exthdrlen = 0;
-		mtu = inet->cork.fragsize;
+		mtu = cork->fragsize;
 	}
 
 	hh_len = LL_RESERVED_SPACE(rt->dst.dev);
@@ -1238,7 +1240,7 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
 	maxfraglen = ((mtu - fragheaderlen) & ~7) + fragheaderlen - sizeof(struct frag_hdr);
 
 	if (mtu <= sizeof(struct ipv6hdr) + IPV6_MAXPLEN) {
-		if (inet->cork.length + length > sizeof(struct ipv6hdr) + IPV6_MAXPLEN - fragheaderlen) {
+		if (cork->length + length > sizeof(struct ipv6hdr) + IPV6_MAXPLEN - fragheaderlen) {
 			ipv6_local_error(sk, EMSGSIZE, fl6, mtu-exthdrlen);
 			return -EMSGSIZE;
 		}
@@ -1267,7 +1269,7 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
 	 * --yoshfuji
 	 */
 
-	inet->cork.length += length;
+	cork->length += length;
 	if (length > mtu) {
 		int proto = sk->sk_protocol;
 		if (dontfrag && (proto == IPPROTO_UDP || proto == IPPROTO_RAW)){
@@ -1292,7 +1294,7 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
 
 	while (length > 0) {
 		/* Check if the remaining data fits into current packet. */
-		copy = (inet->cork.length <= mtu && !(inet->cork.flags & IPCORK_ALLFRAG) ? mtu : maxfraglen) - skb->len;
+		copy = (cork->length <= mtu && !(cork->flags & IPCORK_ALLFRAG) ? mtu : maxfraglen) - skb->len;
 		if (copy < length)
 			copy = maxfraglen - skb->len;
 
@@ -1317,7 +1319,7 @@ alloc_new_skb:
 			 * we know we need more fragment(s).
 			 */
 			datalen = length + fraggap;
-			if (datalen > (inet->cork.length <= mtu && !(inet->cork.flags & IPCORK_ALLFRAG) ? mtu : maxfraglen) - fragheaderlen)
+			if (datalen > (cork->length <= mtu && !(cork->flags & IPCORK_ALLFRAG) ? mtu : maxfraglen) - fragheaderlen)
 				datalen = maxfraglen - fragheaderlen;
 
 			fraglen = datalen + fragheaderlen;
@@ -1481,7 +1483,7 @@ alloc_new_skb:
 	}
 	return 0;
 error:
-	inet->cork.length -= length;
+	cork->length -= length;
 	IP6_INC_STATS(sock_net(sk), rt->rt6i_idev, IPSTATS_MIB_OUTDISCARDS);
 	return err;
 }
@@ -1497,10 +1499,10 @@ static void ip6_cork_release(struct inet_sock *inet, struct ipv6_pinfo *np)
 		np->cork.opt = NULL;
 	}
 
-	if (inet->cork.dst) {
-		dst_release(inet->cork.dst);
-		inet->cork.dst = NULL;
-		inet->cork.flags &= ~IPCORK_ALLFRAG;
+	if (inet->cork.base.dst) {
+		dst_release(inet->cork.base.dst);
+		inet->cork.base.dst = NULL;
+		inet->cork.base.flags &= ~IPCORK_ALLFRAG;
 	}
 	memset(&inet->cork.fl, 0, sizeof(inet->cork.fl));
 }
@@ -1515,7 +1517,7 @@ int ip6_push_pending_frames(struct sock *sk)
 	struct net *net = sock_net(sk);
 	struct ipv6hdr *hdr;
 	struct ipv6_txoptions *opt = np->cork.opt;
-	struct rt6_info *rt = (struct rt6_info *)inet->cork.dst;
+	struct rt6_info *rt = (struct rt6_info *)inet->cork.base.dst;
 	struct flowi6 *fl6 = &inet->cork.fl.u.ip6;
 	unsigned char proto = fl6->flowi6_proto;
 	int err = 0;
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index c1b1bd312df..36c2842a86b 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -162,7 +162,7 @@ static inline void ip6_tnl_dst_store(struct ip6_tnl *t, struct dst_entry *dst)
 	for (t = rcu_dereference(start); t; t = rcu_dereference(t->next))
 
 static struct ip6_tnl *
-ip6_tnl_lookup(struct net *net, struct in6_addr *remote, struct in6_addr *local)
+ip6_tnl_lookup(struct net *net, const struct in6_addr *remote, const struct in6_addr *local)
 {
 	unsigned int h0 = HASH(remote);
 	unsigned int h1 = HASH(local);
@@ -194,10 +194,10 @@ ip6_tnl_lookup(struct net *net, struct in6_addr *remote, struct in6_addr *local)
  **/
 
 static struct ip6_tnl __rcu **
-ip6_tnl_bucket(struct ip6_tnl_net *ip6n, struct ip6_tnl_parm *p)
+ip6_tnl_bucket(struct ip6_tnl_net *ip6n, const struct ip6_tnl_parm *p)
 {
-	struct in6_addr *remote = &p->raddr;
-	struct in6_addr *local = &p->laddr;
+	const struct in6_addr *remote = &p->raddr;
+	const struct in6_addr *local = &p->laddr;
 	unsigned h = 0;
 	int prio = 0;
 
@@ -280,11 +280,6 @@ static struct ip6_tnl *ip6_tnl_create(struct net *net, struct ip6_tnl_parm *p)
 
 	dev_net_set(dev, net);
 
-	if (strchr(name, '%')) {
-		if (dev_alloc_name(dev, name) < 0)
-			goto failed_free;
-	}
-
 	t = netdev_priv(dev);
 	t->parms = *p;
 	err = ip6_tnl_dev_init(dev);
@@ -321,8 +316,8 @@ failed:
 static struct ip6_tnl *ip6_tnl_locate(struct net *net,
 		struct ip6_tnl_parm *p, int create)
 {
-	struct in6_addr *remote = &p->raddr;
-	struct in6_addr *local = &p->laddr;
+	const struct in6_addr *remote = &p->raddr;
+	const struct in6_addr *local = &p->laddr;
 	struct ip6_tnl __rcu **tp;
 	struct ip6_tnl *t;
 	struct ip6_tnl_net *ip6n = net_generic(net, ip6_tnl_net_id);
@@ -374,7 +369,7 @@ ip6_tnl_dev_uninit(struct net_device *dev)
 static __u16
 parse_tlv_tnl_enc_lim(struct sk_buff *skb, __u8 * raw)
 {
-	struct ipv6hdr *ipv6h = (struct ipv6hdr *) raw;
+	const struct ipv6hdr *ipv6h = (const struct ipv6hdr *) raw;
 	__u8 nexthdr = ipv6h->nexthdr;
 	__u16 off = sizeof (*ipv6h);
 
@@ -435,7 +430,7 @@ static int
 ip6_tnl_err(struct sk_buff *skb, __u8 ipproto, struct inet6_skb_parm *opt,
 	    u8 *type, u8 *code, int *msg, __u32 *info, int offset)
 {
-	struct ipv6hdr *ipv6h = (struct ipv6hdr *) skb->data;
+	const struct ipv6hdr *ipv6h = (const struct ipv6hdr *) skb->data;
 	struct ip6_tnl *t;
 	int rel_msg = 0;
 	u8 rel_type = ICMPV6_DEST_UNREACH;
@@ -535,8 +530,9 @@ ip4ip6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 	__u32 rel_info = ntohl(info);
 	int err;
 	struct sk_buff *skb2;
-	struct iphdr *eiph;
+	const struct iphdr *eiph;
 	struct rtable *rt;
+	struct flowi4 fl4;
 
 	err = ip6_tnl_err(skb, IPPROTO_IPIP, opt, &rel_type, &rel_code,
 			  &rel_msg, &rel_info, offset);
@@ -577,7 +573,7 @@ ip4ip6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 	eiph = ip_hdr(skb2);
 
 	/* Try to guess incoming interface */
-	rt = ip_route_output_ports(dev_net(skb->dev), NULL,
+	rt = ip_route_output_ports(dev_net(skb->dev), &fl4, NULL,
 				   eiph->saddr, 0,
 				   0, 0,
 				   IPPROTO_IPIP, RT_TOS(eiph->tos), 0);
@@ -590,7 +586,7 @@ ip4ip6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 	if (rt->rt_flags & RTCF_LOCAL) {
 		ip_rt_put(rt);
 		rt = NULL;
-		rt = ip_route_output_ports(dev_net(skb->dev), NULL,
+		rt = ip_route_output_ports(dev_net(skb->dev), &fl4, NULL,
 					   eiph->daddr, eiph->saddr,
 					   0, 0,
 					   IPPROTO_IPIP,
@@ -669,8 +665,8 @@ ip6ip6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 	return 0;
 }
 
-static void ip4ip6_dscp_ecn_decapsulate(struct ip6_tnl *t,
-					struct ipv6hdr *ipv6h,
+static void ip4ip6_dscp_ecn_decapsulate(const struct ip6_tnl *t,
+					const struct ipv6hdr *ipv6h,
 					struct sk_buff *skb)
 {
 	__u8 dsfield = ipv6_get_dsfield(ipv6h) & ~INET_ECN_MASK;
@@ -682,8 +678,8 @@ static void ip4ip6_dscp_ecn_decapsulate(struct ip6_tnl *t,
 		IP_ECN_set_ce(ip_hdr(skb));
 }
 
-static void ip6ip6_dscp_ecn_decapsulate(struct ip6_tnl *t,
-					struct ipv6hdr *ipv6h,
+static void ip6ip6_dscp_ecn_decapsulate(const struct ip6_tnl *t,
+					const struct ipv6hdr *ipv6h,
 					struct sk_buff *skb)
 {
 	if (t->parms.flags & IP6_TNL_F_RCV_DSCP_COPY)
@@ -726,12 +722,12 @@ static inline int ip6_tnl_rcv_ctl(struct ip6_tnl *t)
 
 static int ip6_tnl_rcv(struct sk_buff *skb, __u16 protocol,
 		       __u8 ipproto,
-		       void (*dscp_ecn_decapsulate)(struct ip6_tnl *t,
-						    struct ipv6hdr *ipv6h,
+		       void (*dscp_ecn_decapsulate)(const struct ip6_tnl *t,
+						    const struct ipv6hdr *ipv6h,
 						    struct sk_buff *skb))
 {
 	struct ip6_tnl *t;
-	struct ipv6hdr *ipv6h = ipv6_hdr(skb);
+	const struct ipv6hdr *ipv6h = ipv6_hdr(skb);
 
 	rcu_read_lock();
 
@@ -828,7 +824,7 @@ static void init_tel_txopt(struct ipv6_tel_txoption *opt, __u8 encap_limit)
  **/
 
 static inline int
-ip6_tnl_addr_conflict(struct ip6_tnl *t, struct ipv6hdr *hdr)
+ip6_tnl_addr_conflict(const struct ip6_tnl *t, const struct ipv6hdr *hdr)
 {
 	return ipv6_addr_equal(&t->parms.raddr, &hdr->saddr);
 }
@@ -1005,7 +1001,7 @@ static inline int
 ip4ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
 {
 	struct ip6_tnl *t = netdev_priv(dev);
-	struct iphdr  *iph = ip_hdr(skb);
+	const struct iphdr  *iph = ip_hdr(skb);
 	int encap_limit = -1;
 	struct flowi6 fl6;
 	__u8 dsfield;
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 29e48593bf2..82a809901f8 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -989,8 +989,8 @@ static int mif6_add(struct net *net, struct mr6_table *mrt,
 }
 
 static struct mfc6_cache *ip6mr_cache_find(struct mr6_table *mrt,
-					   struct in6_addr *origin,
-					   struct in6_addr *mcastgrp)
+					   const struct in6_addr *origin,
+					   const struct in6_addr *mcastgrp)
 {
 	int line = MFC6_HASH(mcastgrp, origin);
 	struct mfc6_cache *c;
diff --git a/net/ipv6/ipcomp6.c b/net/ipv6/ipcomp6.c
index 85cccd6ed0b..bba658d9a03 100644
--- a/net/ipv6/ipcomp6.c
+++ b/net/ipv6/ipcomp6.c
@@ -55,7 +55,7 @@ static void ipcomp6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 {
 	struct net *net = dev_net(skb->dev);
 	__