Merge davem@nuts.ninka.net:/home/davem/src/BK/net-2.5

into kernel.bkbits.net:/home/davem/net-2.5

Documentation/networking/ip-sysctl.txt

@@ -619,6 +619,37 @@ ratelimit - INTEGER
 	0 to disable any limiting, otherwise the maximal rate in jiffies(1)
 	Default: 100
 
+use_tempaddr - INTEGER
+	Preference for Privacy Extensions (RFC3041).
+	  <= 0 : disable Privacy Extensions
+	  == 1 : enable Privacy Extensions, but prefer public
+	         addresses over temporary addresses.
+	  >  1 : enable Privacy Extensions and prefer temporary
+	         addresses over public addresses.
+	Default:  0 (for most devices)
+		 -1 (for point-to-point devices and loopback devices)
+
+temp_valid_lft - INTEGER
+	valid lifetime (in seconds) for temporary addresses.
+	Default: 604800 (7 days)
+
+temp_prefered_lft - INTEGER
+	Preferred lifetime (in seconds) for temorary addresses.
+	Default: 86400 (1 day)
+
+max_desync_factor - INTEGER
+	Maximum value for DESYNC_FACTOR, which is a random value
+	that ensures that clients don't synchronize with each 
+	other and generage new addresses at exactly the same time.
+	value is in seconds.
+	Default: 600
+	
+regen_max_retry - INTEGER
+	Number of attempts before give up attempting to generate
+	valid temporary addresses.
+	Default: 5
+
+
 IPv6 Update by:
 Pekka Savola <pekkas@netcore.fi>
 YOSHIFUJI Hideaki / USAGI Project <yoshfuji@linux-ipv6.org>

MAINTAINERS

@@ -1262,6 +1262,8 @@ P:	Alexey Kuznetsov
 M:	kuznet@ms2.inr.ac.ru
 P:	Pekka Savola (ipv6)
 M:	pekkas@netcore.fi
+P:	James Morris
+M:	jmorris@intercode.com.au
 L:	netdev@oss.sgi.com
 S:	Maintained
 

include/linux/rtnetlink.h

@@ -336,6 +336,7 @@ enum
 /* ifa_flags */
 
 #define IFA_F_SECONDARY		0x01
+#define IFA_F_TEMPORARY		IFA_F_SECONDARY
 
 #define IFA_F_DEPRECATED	0x20
 #define IFA_F_TENTATIVE		0x40

include/linux/skbuff.h

@@ -777,7 +777,7 @@ static inline int skb_is_nonlinear(const struct sk_buff *skb)
 	return skb->data_len;
 }
 
-static inline int skb_headlen(const struct sk_buff *skb)
+static inline unsigned int skb_headlen(const struct sk_buff *skb)
 {
 	return skb->len - skb->data_len;
 }

include/linux/sysctl.h

@@ -388,7 +388,12 @@ enum {
 	NET_IPV6_DAD_TRANSMITS=7,
 	NET_IPV6_RTR_SOLICITS=8,
 	NET_IPV6_RTR_SOLICIT_INTERVAL=9,
-	NET_IPV6_RTR_SOLICIT_DELAY=10
+	NET_IPV6_RTR_SOLICIT_DELAY=10,
+	NET_IPV6_USE_TEMPADDR=11,
+	NET_IPV6_TEMP_VALID_LFT=12,
+	NET_IPV6_TEMP_PREFERED_LFT=13,
+	NET_IPV6_REGEN_MAX_RETRY=14,
+	NET_IPV6_MAX_DESYNC_FACTOR=15
 };
 
 /* /proc/sys/net/ipv6/icmp */

include/net/addrconf.h

@@ -6,6 +6,11 @@
 #define MAX_RTR_SOLICITATIONS		3
 #define RTR_SOLICITATION_INTERVAL	(4*HZ)
 
+#define TEMP_VALID_LIFETIME		(7*86400)
+#define TEMP_PREFERRED_LIFETIME		(86400)
+#define REGEN_MAX_RETRY			(5)
+#define MAX_DESYNC_FACTOR		(600)
+
 #define ADDR_CHECK_FREQUENCY		(120*HZ)
 
 struct prefix_info {

include/net/if_inet6.h

@@ -43,6 +43,12 @@ struct inet6_ifaddr
 	struct inet6_ifaddr	*lst_next;      /* next addr in addr_lst */
 	struct inet6_ifaddr	*if_next;       /* next addr in inet6_dev */
 
+#ifdef CONFIG_IPV6_PRIVACY
+	struct inet6_ifaddr	*tmp_next;	/* next addr in tempaddr_lst */
+	struct inet6_ifaddr	*ifpub;
+	int			regen_count;
+#endif
+
 	int			dead;
 };
 
@@ -86,7 +92,13 @@ struct ipv6_devconf
 	int		rtr_solicits;
 	int		rtr_solicit_interval;
 	int		rtr_solicit_delay;
-
+#ifdef CONFIG_IPV6_PRIVACY
+	int		use_tempaddr;
+	int		temp_valid_lft;
+	int		temp_prefered_lft;
+	int		regen_max_retry;
+	int		max_desync_factor;
+#endif
 	void		*sysctl;
 };
 
@@ -101,6 +113,13 @@ struct inet6_dev
 	__u32			if_flags;
 	int			dead;
 
+#ifdef CONFIG_IPV6_PRIVACY
+	u8			rndid[8];
+	u8			entropy[8];
+	struct timer_list	regen_timer;
+	struct inet6_ifaddr	*tempaddr_list;
+#endif
+
 	struct neigh_parms	*nd_parms;
 	struct inet6_dev	*next;
 	struct ipv6_devconf	cnf;

include/net/ip6_route.h

@@ -30,6 +30,8 @@ extern void			ip6_route_input(struct sk_buff *skb);
 extern struct dst_entry *	ip6_route_output(struct sock *sk,
 						 struct flowi *fl);
 
+extern int			ip6_route_me_harder(struct sk_buff *skb);
+
 extern void			ip6_route_init(void);
 extern void			ip6_route_cleanup(void);
 

net/atm/lec.h

@@ -98,7 +98,7 @@ struct lec_priv {
            establishes multiple Multicast Forward VCCs to us. This list
            collects all those VCCs. LANEv1 client has only one item in this
            list. These entries are not aged out. */
-        atomic_t lec_arp_lock_var;
+        atomic_t lec_arp_users;
         struct atm_vcc *mcast_vcc; /* Default Multicast Send VCC */
         struct atm_vcc *lecd;
         struct timer_list lec_arp_timer;

net/bluetooth/bnep/sock.c

@@ -43,6 +43,7 @@
 #include <linux/socket.h>
 #include <linux/ioctl.h>
 #include <linux/file.h>
+#include <linux/init.h>
 #include <net/sock.h>
 
 #include <asm/system.h>

net/ipv4/icmp.c

@@ -223,57 +223,28 @@ struct icmp_control {
 static struct icmp_control icmp_pointers[NR_ICMP_TYPES+1];
 
 /*
- *	The ICMP socket. This is the most convenient way to flow control
+ *	The ICMP socket(s). This is the most convenient way to flow control
  *	our ICMP output as well as maintain a clean interface throughout
  *	all layers. All Socketless IP sends will soon be gone.
+ *
+ *	On SMP we have one ICMP socket per-cpu.
  */
-struct socket *icmp_socket;
-
-/* ICMPv4 socket is only a bit non-reenterable (unlike ICMPv6,
-   which is strongly non-reenterable). A bit later it will be made
-   reenterable and the lock may be removed then.
- */
-
-static int icmp_xmit_holder = -1;
-
-static int icmp_xmit_lock_bh(void)
-{
-	int rc;
-	if (!spin_trylock(&icmp_socket->sk->lock.slock)) {
-		rc = -EAGAIN;
-		if (icmp_xmit_holder == smp_processor_id())
-			goto out;
-		spin_lock(&icmp_socket->sk->lock.slock);
-	}
-	rc = 0;
-	icmp_xmit_holder = smp_processor_id();
-out:
-	return rc;
-}
+static DEFINE_PER_CPU(struct socket *, __icmp_socket) = NULL;
+#define icmp_socket	per_cpu(__icmp_socket, smp_processor_id())
 
-static __inline__ int icmp_xmit_lock(void)
+static __inline__ void icmp_xmit_lock(void)
 {
-	int ret;
 	local_bh_disable();
-	ret = icmp_xmit_lock_bh();
-	if (ret)
-		local_bh_enable();
-	return ret;
-}
 
-static void icmp_xmit_unlock_bh(void)
-{
-	icmp_xmit_holder = -1;
-	spin_unlock(&icmp_socket->sk->lock.slock);
+	if (unlikely(!spin_trylock(&icmp_socket->sk->lock.slock)))
+		BUG();
 }
 
-static __inline__ void icmp_xmit_unlock(void)
+static void icmp_xmit_unlock(void)
 {
-	icmp_xmit_unlock_bh();
-	local_bh_enable();
+	spin_unlock_bh(&icmp_socket->sk->lock.slock);
 }
 
-
 /*
  *	Send an ICMP frame.
  */
@@ -404,10 +375,11 @@ static void icmp_reply(struct icmp_bxm *icmp_param, struct sk_buff *skb)
 	struct rtable *rt = (struct rtable *)skb->dst;
 	u32 daddr;
 
-	if (ip_options_echo(&icmp_param->replyopts, skb) ||
-	    icmp_xmit_lock_bh())
+	if (ip_options_echo(&icmp_param->replyopts, skb))
 		goto out;
 
+	icmp_xmit_lock();
+
 	icmp_param->data.icmph.checksum = 0;
 	icmp_out_count(icmp_param->data.icmph.type);
 
@@ -434,7 +406,7 @@ static void icmp_reply(struct icmp_bxm *icmp_param, struct sk_buff *skb)
 		icmp_push_reply(icmp_param, &ipc, rt);
 	ip_rt_put(rt);
 out_unlock:
-	icmp_xmit_unlock_bh();
+	icmp_xmit_unlock();
 out:;
 }
 
@@ -519,8 +491,7 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, u32 info)
 		}
 	}
 
-	if (icmp_xmit_lock())
-		goto out;
+	icmp_xmit_lock();
 
 	/*
 	 *	Construct source address and options.
@@ -1141,13 +1112,23 @@ static struct icmp_control icmp_pointers[NR_ICMP_TYPES + 1] = {
 void __init icmp_init(struct net_proto_family *ops)
 {
 	struct inet_opt *inet;
-	int err = sock_create(PF_INET, SOCK_RAW, IPPROTO_ICMP, &icmp_socket);
+	int i;
+
+	for (i = 0; i < NR_CPUS; i++) {
+		int err;
+
+		if (!cpu_possible(i))
+			continue;
+
+		err = sock_create(PF_INET, SOCK_RAW, IPPROTO_ICMP,
+				  &per_cpu(__icmp_socket, i));
 
 		if (err < 0)
 			panic("Failed to create the ICMP control socket.\n");
-	icmp_socket->sk->allocation = GFP_ATOMIC;
-	icmp_socket->sk->sndbuf	    = SK_WMEM_MAX * 2;
-	inet	       = inet_sk(icmp_socket->sk);
+
+		per_cpu(__icmp_socket, i)->sk->allocation = GFP_ATOMIC;
+		per_cpu(__icmp_socket, i)->sk->sndbuf = SK_WMEM_MAX * 2;
+		inet = inet_sk(per_cpu(__icmp_socket, i)->sk);
 		inet->ttl = MAXTTL;
 		inet->pmtudisc = IP_PMTUDISC_DONT;
 
@@ -1155,5 +1136,6 @@ void __init icmp_init(struct net_proto_family *ops)
 		 * see it, we do not wish this socket to see incoming
 		 * packets.
 		 */
-	icmp_socket->sk->prot->unhash(icmp_socket->sk);
+		per_cpu(__icmp_socket, i)->sk->prot->unhash(per_cpu(__icmp_socket, i)->sk);
+	}
 }

net/ipv4/netfilter/ip_conntrack_core.c

@@ -13,9 +13,6 @@
  *	- export ip_conntrack[_expect]_{find_get,put} functions
  * */
 
-#ifdef MODULE
-#define __NO_VERSION__
-#endif
 #include <linux/version.h>
 #include <linux/config.h>
 #include <linux/types.h>

net/ipv4/netfilter/ip_conntrack_proto_tcp.c

-#define __NO_VERSION__
 #include <linux/types.h>
 #include <linux/sched.h>
 #include <linux/timer.h>

net/ipv4/netfilter/ip_nat_core.c

@@ -2,9 +2,6 @@
 
 /* (c) 1999 Paul `Rusty' Russell.  Licenced under the GNU General
    Public Licence. */
-#ifdef MODULE
-#define __NO_VERSION__
-#endif
 #include <linux/version.h>
 #include <linux/module.h>
 #include <linux/types.h>

net/ipv4/netfilter/ip_nat_rule.c

 /* Everything about the rules for NAT. */
-#define __NO_VERSION__
 #include <linux/types.h>
 #include <linux/ip.h>
 #include <linux/netfilter.h>

net/ipv6/Kconfig

 #
 # IPv6 configuration
 # 
+config IPV6_PRIVACY
+	bool "IPv6: Privacy Extensions (RFC 3041) support"
+	depends on IPV6
+	---help---
+	  Privacy Extensions for Stateless Address Autoconfiguration in IPv6
+	  support.  With this option, additional periodically-alter 
+	  pseudo-random global-scope unicast address(es) will assigned to
+	  your interface(s).
+	
+	  By default, kernel do not generate temporary addresses.
+	  To use temporary addresses, do
+	
+	        echo 2 >/proc/sys/net/ipv6/conf/all/use_tempaddr 
+
+	  See <file:Documentation/networking/ip-sysctl.txt> for details.
+
 source "net/ipv6/netfilter/Kconfig"
 

net/ipv6/icmp.c

@@ -28,7 +28,6 @@
  *	YOSHIFUJI Hideaki @USAGI:	added sysctl for icmp rate limit.
  */
 
-#define __NO_VERSION__
 #include <linux/module.h>
 #include <linux/errno.h>
 #include <linux/types.h>
@@ -68,10 +67,12 @@
 DEFINE_SNMP_STAT(struct icmpv6_mib, icmpv6_statistics);
 
 /*
- *	ICMP socket for flow control.
+ *	ICMP socket(s) for flow control.
  */
 
-struct socket *icmpv6_socket;
+/* XXX We can't use per_cpu because this can be modular... */
+static struct socket *__icmpv6_socket[NR_CPUS];
+#define icmpv6_socket	__icmpv6_socket[smp_processor_id()]
 
 static int icmpv6_rcv(struct sk_buff *skb);
 
@@ -88,40 +89,16 @@ struct icmpv6_msg {
 	__u32			csum;
 };
 
-
-static int icmpv6_xmit_holder = -1;
-
-static int icmpv6_xmit_lock_bh(void)
-{
-	if (!spin_trylock(&icmpv6_socket->sk->lock.slock)) {
-		if (icmpv6_xmit_holder == smp_processor_id())
-			return -EAGAIN;
-		spin_lock(&icmpv6_socket->sk->lock.slock);
-	}
-	icmpv6_xmit_holder = smp_processor_id();
-	return 0;
-}
-
-static __inline__ int icmpv6_xmit_lock(void)
+static __inline__ void icmpv6_xmit_lock(void)
 {
-	int ret;
 	local_bh_disable();
-	ret = icmpv6_xmit_lock_bh();
-	if (ret)
-		local_bh_enable();
-	return ret;
-}
-
-static void icmpv6_xmit_unlock_bh(void)
-{
-	icmpv6_xmit_holder = -1;
-	spin_unlock(&icmpv6_socket->sk->lock.slock);
+	if (unlikely(!spin_trylock(&icmpv6_socket->sk->lock.slock)))
+		BUG();
 }
 
 static __inline__ void icmpv6_xmit_unlock(void)
 {
-	icmpv6_xmit_unlock_bh();
-	local_bh_enable();
+	spin_unlock_bh(&icmpv6_socket->sk->lock.slock);
 }
 
 
@@ -342,8 +319,7 @@ void icmpv6_send(struct sk_buff *skb, int type, int code, __u32 info,
 	fl.uli_u.icmpt.type = type;
 	fl.uli_u.icmpt.code = code;
 
-	if (icmpv6_xmit_lock())
-		return;
+	icmpv6_xmit_lock();
 
 	if (!icmpv6_xrlim_allow(sk, type, &fl))
 		goto out;
@@ -416,15 +392,14 @@ static void icmpv6_echo_reply(struct sk_buff *skb)
 	fl.uli_u.icmpt.type = ICMPV6_ECHO_REPLY;
 	fl.uli_u.icmpt.code = 0;
 
-	if (icmpv6_xmit_lock_bh())
-		return;
+	icmpv6_xmit_lock();
 
 	ip6_build_xmit(sk, icmpv6_getfrag, &msg, &fl, msg.len, NULL, -1,
 		       MSG_DONTWAIT);
 	ICMP6_INC_STATS_BH(Icmp6OutEchoReplies);
 	ICMP6_INC_STATS_BH(Icmp6OutMsgs);
 
-	icmpv6_xmit_unlock_bh();
+	icmpv6_xmit_unlock();
 }
 
 static void icmpv6_notify(struct sk_buff *skb, int type, int code, u32 info)
@@ -627,26 +602,47 @@ static int icmpv6_rcv(struct sk_buff *skb)
 int __init icmpv6_init(struct net_proto_family *ops)
 {
 	struct sock *sk;
+	int i;
+
+	for (i = 0; i < NR_CPUS; i++) {
 		int err;
 
-	err = sock_create(PF_INET6, SOCK_RAW, IPPROTO_ICMPV6, &icmpv6_socket);
+		if (!cpu_possible(i))
+			continue;
+
+		err = sock_create(PF_INET6, SOCK_RAW, IPPROTO_ICMPV6,
+				  &__icmpv6_socket[i]);
 		if (err < 0) {
+			int j;
+
 			printk(KERN_ERR
-		       "Failed to initialize the ICMP6 control socket (err %d).\n",
+			       "Failed to initialize the ICMP6 control socket "
+			       "(err %d).\n",
 			       err);
-		icmpv6_socket = NULL; /* for safety */
+			for (j = 0; j < i; j++) {
+				if (!cpu_possible(j))
+					continue;
+				sock_release(__icmpv6_socket[j]);
+				__icmpv6_socket[j] = NULL; /* for safety */
+			}
 			return err;
 		}
 
-	sk = icmpv6_socket->sk;
+		sk = __icmpv6_socket[i]->sk;
 		sk->allocation = GFP_ATOMIC;
 		sk->sndbuf = SK_WMEM_MAX*2;
 		sk->prot->unhash(sk);
+	}
+
 
 	if (inet6_add_protocol(&icmpv6_protocol, IPPROTO_ICMPV6) < 0) {
 		printk(KERN_ERR "Failed to register ICMP6 protocol\n");
-		sock_release(icmpv6_socket);
-		icmpv6_socket = NULL;
+		for (i = 0; i < NR_CPUS; i++) {
+			if (!cpu_possible(i))
+				continue;
+			sock_release(__icmpv6_socket[i]);
+			__icmpv6_socket[i] = NULL;
+		}
 		return -EAGAIN;
 	}
 
@@ -655,8 +651,14 @@ int __init icmpv6_init(struct net_proto_family *ops)
 
 void icmpv6_cleanup(void)
 {
-	sock_release(icmpv6_socket);
-	icmpv6_socket = NULL; /* For safety. */
+	int i;
+
+	for (i = 0; i < NR_CPUS; i++) {
+		if (!cpu_possible(i))
+			continue;
+		sock_release(__icmpv6_socket[i]);
+		__icmpv6_socket[i] = NULL; /* For safety. */
+	}
 	inet6_del_protocol(&icmpv6_protocol, IPPROTO_ICMPV6);
 }
 

net/ipv6/ip6_output.c

@@ -134,7 +134,7 @@ int ip6_output(struct sk_buff *skb)
 
 
 #ifdef CONFIG_NETFILTER
-static int route6_me_harder(struct sk_buff *skb)
+int ip6_route_me_harder(struct sk_buff *skb)
 {
 	struct ipv6hdr *iph = skb->nh.ipv6h;
 	struct dst_entry *dst;
@@ -152,7 +152,7 @@ static int route6_me_harder(struct sk_buff *skb)
 
 	if (dst->error) {
 		if (net_ratelimit())
-			printk(KERN_DEBUG "route6_me_harder: No more route.\n");
+			printk(KERN_DEBUG "ip6_route_me_harder: No more route.\n");
 		return -EINVAL;
 	}
 
@@ -168,7 +168,7 @@ static inline int ip6_maybe_reroute(struct sk_buff *skb)
 {
 #ifdef CONFIG_NETFILTER
 	if (skb->nfcache & NFC_ALTERED){
-		if (route6_me_harder(skb) != 0){
+		if (ip6_route_me_harder(skb) != 0){
 			kfree_skb(skb);
 			return -EINVAL;
 		}

net/ipv6/ipv6_sockglue.c

@@ -21,7 +21,6 @@
  *	o	Return an optlen of the truncated length if need be
  */
 
-#define __NO_VERSION__
 #include <linux/module.h>
 #include <linux/config.h>
 #include <linux/errno.h>

net/ipv6/ipv6_syms.c

 
+#include <linux/config.h>
 #include <linux/module.h>
 #include <net/protocol.h>
 #include <net/ipv6.h>
@@ -11,6 +12,9 @@ EXPORT_SYMBOL(ndisc_mc_map);
 EXPORT_SYMBOL(register_inet6addr_notifier);
 EXPORT_SYMBOL(unregister_inet6addr_notifier);
 EXPORT_SYMBOL(ip6_route_output);
+#ifdef CONFIG_NETFILTER
+EXPORT_SYMBOL(ip6_route_me_harder);
+#endif
 EXPORT_SYMBOL(addrconf_lock);
 EXPORT_SYMBOL(ipv6_setsockopt);
 EXPORT_SYMBOL(ipv6_getsockopt);

net/ipv6/mcast.c

@@ -26,7 +26,6 @@
  *		- MLD for link-local addresses.
  */
 
-#define __NO_VERSION__
 #include <linux/config.h>
 #include <linux/module.h>
 #include <linux/errno.h>

net/ipv6/ndisc.c

@@ -42,7 +42,6 @@
 #define ND_PRINTK2 ND_PRINTK
 #endif
 
-#define __NO_VERSION__
 #include <linux/module.h>
 #include <linux/config.h>
 #include <linux/errno.h>

net/ipv6/netfilter/ip6_queue.c

@@ -326,45 +326,6 @@ ipq_enqueue_packet(struct sk_buff *skb, struct nf_info *info, void *data)
 	return status;
 }
 
-/*
- * Taken from net/ipv6/ip6_output.c
- *
- * We should use the one there, but is defined static
- * so we put this just here and let the things as
- * they are now.
- *
- * If that one is modified, this one should be modified too.
- */
-static int
-route6_me_harder(struct sk_buff *skb)
-{
-	struct ipv6hdr *iph = skb->nh.ipv6h;
-	struct dst_entry *dst;
-	struct flowi fl;
-
-	fl.proto = iph->nexthdr;
-	fl.fl6_dst = &iph->daddr;
-	fl.fl6_src = &iph->saddr;
-	fl.oif = skb->sk ? skb->sk->bound_dev_if : 0;
-	fl.fl6_flowlabel = 0;
-	fl.uli_u.ports.dport = 0;
-	fl.uli_u.ports.sport = 0;
-
-	dst = ip6_route_output(skb->sk, &fl);
-
-	if (dst->error) {
-		if (net_ratelimit())
-			printk(KERN_DEBUG "route6_me_harder: No more route.\n");
-		return -EINVAL;
-	}
-
-	/* Drop old route. */
-	dst_release(skb->dst);
-
-	skb->dst = dst;
-	return 0;
-}
-
 static int
 ipq_mangle_ipv6(ipq_verdict_msg_t *v, struct ipq_queue_entry *e)
 {
@@ -410,7 +371,7 @@ ipq_mangle_ipv6(ipq_verdict_msg_t *v, struct ipq_queue_entry *e)
 		struct ipv6hdr *iph = e->skb->nh.ipv6h;
 		if (ipv6_addr_cmp(&iph->daddr, &e->rt_info.daddr) ||
 		    ipv6_addr_cmp(&iph->saddr, &e->rt_info.saddr))
-			return route6_me_harder(e->skb);
+			return ip6_route_me_harder(e->skb);
 	}
 	return 0;
 }

net/ipv6/route.c

@@ -574,15 +574,17 @@ static int ip6_dst_gc()
    Remove it only when all the things will work!
  */
 
-static void ipv6_wash_prefix(struct in6_addr *pfx, int plen)
+static void ipv6_addr_prefix(struct in6_addr *pfx,
+			     const struct in6_addr *addr, int plen)
 {
 	int b = plen&0x7;
-	int o = (plen + 7)>>3;
+	int o = plen>>3;
 
+	memcpy(pfx->s6_addr, addr, o);
 	if (o < 16)
 		memset(pfx->s6_addr + o, 0, 16 - o);
 	if (b != 0)
-		pfx->s6_addr[plen>>3] &= (0xFF<<(8-b));
+		pfx->s6_addr[o] = addr->s6_addr[o]&(0xff00 >> b);
 }
 
 static int ipv6_get_mtu(struct net_device *dev)
@@ -655,16 +657,16 @@ int ip6_route_add(struct in6_rtmsg *rtmsg)
 			goto out;
 	}
 
-	ipv6_addr_copy(&rt->rt6i_dst.addr, &rtmsg->rtmsg_dst);
+	ipv6_addr_prefix(&rt->rt6i_dst.addr, 
+			 &rtmsg->rtmsg_dst, rtmsg->rtmsg_dst_len);
 	rt->rt6i_dst.plen = rtmsg->rtmsg_dst_len;
 	if (rt->rt6i_dst.plen == 128)
 	       rt->u.dst.flags = DST_HOST;
-	ipv6_wash_prefix(&rt->rt6i_dst.addr, rt->rt6i_dst.plen);
 
 #ifdef CONFIG_IPV6_SUBTREES
-	ipv6_addr_copy(&rt->rt6i_src.addr, &rtmsg->rtmsg_src);
+	ipv6_addr_prefix(&rt->rt6i_src.addr, 
+			 &rtmsg->rtmsg_src, rtmsg->rtmsg_src_len);
 	rt->rt6i_src.plen = rtmsg->rtmsg_src_len;
-	ipv6_wash_prefix(&rt->rt6i_src.addr, rt->rt6i_src.plen);
 #endif
 
 	rt->rt6i_metric = rtmsg->rtmsg_metric;

net/ipv6/sit.c

@@ -18,7 +18,6 @@
  * Nate Thompson <nate@thebog.net>:		6to4 support
  */
 
-#define __NO_VERSION__
 #include <linux/config.h>
 #include <linux/module.h>
 #include <linux/errno.h>

net/ipv6/tcp_ipv6.c

@@ -24,7 +24,6 @@
  *      2 of the License, or (at your option) any later version.
  */
 
-#define __NO_VERSION__
 #include <linux/module.h>
 #include <linux/config.h>
 #include <linux/errno.h>

net/irda/irproc.c

@@ -25,7 +25,6 @@
 
 #include <linux/miscdevice.h>
 #include <linux/proc_fs.h>
-#define __NO_VERSION__
 #include <linux/module.h>
 #include <linux/init.h>
 

net/netlink/af_netlink.c

@@ -585,6 +585,16 @@ void netlink_set_err(struct sock *ssk, u32 pid, u32 group, int code)
 	read_unlock(&nl_table_lock);
 }
 
+static inline void netlink_rcv_wake(struct sock *sk)
+{
+	struct netlink_opt *nlk = nlk_sk(sk);
+
+	if (skb_queue_len(&sk->receive_queue) == 0)
+		clear_bit(0, &nlk->state);
+	if (!test_bit(0, &nlk->state))
+		wake_up_interruptible(&nlk->wait);
+}
+
 static int netlink_sendmsg(struct kiocb *iocb, struct socket *sock,
 			   struct msghdr *msg, int len,
 			   struct scm_cookie *scm)
@@ -706,12 +716,7 @@ static int netlink_recvmsg(struct kiocb *iocb, struct socket *sock,
 		netlink_dump(sk);
 
 out:
-	if (skb_queue_len(&sk->receive_queue) <= sk->rcvbuf/2) {
-		if (skb_queue_len(&sk->receive_queue) == 0)
-			clear_bit(0, &nlk->state);
-		if (!test_bit(0, &nlk->state))
-			wake_up_interruptible(&nlk->wait);
-	}
+	netlink_rcv_wake(sk);
 	return err ? : copied;
 }
 
@@ -721,13 +726,7 @@ void netlink_data_ready(struct sock *sk, int len)
 
 	if (nlk->data_ready)
 		nlk->data_ready(sk, len);
-
-	if (skb_queue_len(&sk->receive_queue) <= sk->rcvbuf/2) {
-		if (skb_queue_len(&sk->receive_queue) == 0)
-			clear_bit(0, &nlk->state);
-		if (!test_bit(0, &nlk->state))
-			wake_up_interruptible(&nlk->wait);
-	}
+	netlink_rcv_wake(sk);
 }
 
 /*

net/netrom/nr_dev.c

@@ -7,7 +7,6 @@
  * Copyright Jonathan Naylor G4KLX (g4klx@g4klx.demon.co.uk)
  */
 #include <linux/config.h>
-#define __NO_VERSION__
 #include <linux/module.h>
 #include <linux/proc_fs.h>
 #include <linux/kernel.h>

net/rose/rose_dev.c

@@ -7,7 +7,6 @@
  * Copyright (C) Jonathan Naylor G4KLX (g4klx@g4klx.demon.co.uk)
  */
 #include <linux/config.h>
-#define __NO_VERSION__
 #include <linux/module.h>
 #include <linux/proc_fs.h>
 #include <linux/kernel.h>

net/sctp/ipv6.c

@@ -45,7 +45,6 @@
  * be incorporated into the next SCTP release.
  */
 
-#define __NO_VERSION__
 #include <linux/module.h>
 #include <linux/errno.h>
 #include <linux/types.h>

net/sunrpc/auth_gss/auth_gss.c

@@ -38,7 +38,6 @@
  */
 
 
-#define __NO_VERSION__
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/types.h>

net/sunrpc/auth_gss/sunrpcgss_syms.c

-#define __NO_VERSION__
 #include <linux/config.h>
 #include <linux/module.h>
 

net/sunrpc/stats.c

@@ -12,7 +12,6 @@
  * Copyright (C) 1995, 1996, 1997 Olaf Kirch <okir@monad.swb.de>
  */
 
-#define __NO_VERSION__
 #include <linux/module.h>
 
 #include <linux/init.h>

net/sunrpc/sunrpc_syms.c

@@ -6,7 +6,6 @@
  * Copyright (C) 1997 Olaf Kirch <okir@monad.swb.de>
  */
 
-#define __NO_VERSION__
 #include <linux/config.h>
 #include <linux/module.h>
 

net/sunrpc/sysctl.c

@@ -14,7 +14,6 @@
 #include <linux/ctype.h>
 #include <linux/fs.h>
 #include <linux/sysctl.h>
-#define __NO_VERSION__
 #include <linux/module.h>
 
 #include <asm/uaccess.h>