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

12 files changed, 52 insertions, 33 deletions

diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h
index c231e9a08f0bb2..d50482ba27fe17 100644
--- a/include/linux/rtnetlink.h
+++ b/include/linux/rtnetlink.h
@@ -866,6 +866,7 @@ enum rtnetlink_groups {
 #define	RTNLGRP_IPV4_MROUTE	RTNLGRP_IPV4_MROUTE
 	RTNLGRP_IPV4_ROUTE,
 #define RTNLGRP_IPV4_ROUTE	RTNLGRP_IPV4_ROUTE
+	RTNLGRP_NOP1,
 	RTNLGRP_IPV6_IFADDR,
 #define RTNLGRP_IPV6_IFADDR	RTNLGRP_IPV6_IFADDR
 	RTNLGRP_IPV6_MROUTE,
@@ -876,8 +877,11 @@ enum rtnetlink_groups {
 #define RTNLGRP_IPV6_IFINFO	RTNLGRP_IPV6_IFINFO
 	RTNLGRP_DECnet_IFADDR,
 #define RTNLGRP_DECnet_IFADDR	RTNLGRP_DECnet_IFADDR
+	RTNLGRP_NOP2,
 	RTNLGRP_DECnet_ROUTE,
 #define RTNLGRP_DECnet_ROUTE	RTNLGRP_DECnet_ROUTE
+	RTNLGRP_NOP3,
+	RTNLGRP_NOP4,
 	RTNLGRP_IPV6_PREFIX,
 #define RTNLGRP_IPV6_PREFIX	RTNLGRP_IPV6_PREFIX
 	__RTNLGRP_MAX
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 5beae1ccd57405..1cdb8791213781 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -890,6 +890,7 @@ struct xfrm_state * xfrm_find_acq(u8 mode, u32 reqid, u8 proto,
 extern void xfrm_policy_flush(void);
 extern int xfrm_sk_policy_insert(struct sock *sk, int dir, struct xfrm_policy *pol);
 extern int xfrm_flush_bundles(void);
+extern void xfrm_flush_all_bundles(void);
 extern int xfrm_bundle_ok(struct xfrm_dst *xdst, struct flowi *fl, int family);
 extern void xfrm_init_pmtu(struct dst_entry *dst);
 
diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index d8e36b7751255b..43a0b35dfe6f7a 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -295,7 +295,7 @@ static int check_hbh_len(struct sk_buff *skb)
 	len -= 2;
 
 	while (len > 0) {
-		int optlen = raw[off+1]+2;
+		int optlen = skb->nh.raw[off+1]+2;
 
 		switch (skb->nh.raw[off]) {
 		case IPV6_TLV_PAD0:
@@ -308,18 +308,15 @@ static int check_hbh_len(struct sk_buff *skb)
 		case IPV6_TLV_JUMBO:
 			if (skb->nh.raw[off+1] != 4 || (off&3) != 2)
 				goto bad;
-
 			pkt_len = ntohl(*(u32*)(skb->nh.raw+off+2));
-
+			if (pkt_len <= IPV6_MAXPLEN ||
+			    skb->nh.ipv6h->payload_len)
+				goto bad;
 			if (pkt_len > skb->len - sizeof(struct ipv6hdr))
 				goto bad;
-			if (pkt_len + sizeof(struct ipv6hdr) < skb->len) {
-				if (__pskb_trim(skb,
-				    pkt_len + sizeof(struct ipv6hdr)))
-					goto bad;
-				if (skb->ip_summed == CHECKSUM_HW)
-					skb->ip_summed = CHECKSUM_NONE;
-			}
+			if (pskb_trim_rcsum(skb,
+			    pkt_len+sizeof(struct ipv6hdr)))
+				goto bad;
 			break;
 		default:
 			if (optlen > len)
diff --git a/net/ipv4/netfilter/Makefile b/net/ipv4/netfilter/Makefile
index 058c48e258fc56..d0a447e520a23c 100644
--- a/net/ipv4/netfilter/Makefile
+++ b/net/ipv4/netfilter/Makefile
@@ -12,6 +12,7 @@ ip_nat_pptp-objs	:= ip_nat_helper_pptp.o ip_nat_proto_gre.o
 
 # connection tracking
 obj-$(CONFIG_IP_NF_CONNTRACK) += ip_conntrack.o
+obj-$(CONFIG_IP_NF_NAT) += ip_nat.o
 
 # conntrack netlink interface
 obj-$(CONFIG_IP_NF_CONNTRACK_NETLINK) += ip_conntrack_netlink.o
@@ -41,7 +42,7 @@ obj-$(CONFIG_IP_NF_IPTABLES) += ip_tables.o
 # the three instances of ip_tables
 obj-$(CONFIG_IP_NF_FILTER) += iptable_filter.o
 obj-$(CONFIG_IP_NF_MANGLE) += iptable_mangle.o
-obj-$(CONFIG_IP_NF_NAT) += iptable_nat.o ip_nat.o
+obj-$(CONFIG_IP_NF_NAT) += iptable_nat.o
 obj-$(CONFIG_IP_NF_RAW) += iptable_raw.o
 
 # matches
diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index b2b60f3e9cdd65..42196ba3b0b912 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -182,6 +182,7 @@ _decode_session4(struct sk_buff *skb, struct flowi *fl)
 		case IPPROTO_UDP:
 		case IPPROTO_TCP:
 		case IPPROTO_SCTP:
+		case IPPROTO_DCCP:
 			if (pskb_may_pull(skb, xprth + 4 - skb->data)) {
 				u16 *ports = (u16 *)xprth;
 
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 73a23b4130a57f..4ea8cf7c0cc443 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -1596,9 +1596,17 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len)
 	   not good.
 	 */
 	if (valid_lft >= 0x7FFFFFFF/HZ)
-		rt_expires = 0;
+		rt_expires = 0x7FFFFFFF - (0x7FFFFFFF % HZ);
 	else
-		rt_expires = jiffies + valid_lft * HZ;
+		rt_expires = valid_lft * HZ;
+
+	/*
+	 * We convert this (in jiffies) to clock_t later.
+	 * Avoid arithmetic overflow there as well.
+	 * Overflow can happen only if HZ < USER_HZ.
+	 */
+	if (HZ < USER_HZ && rt_expires > 0x7FFFFFFF / USER_HZ)
+		rt_expires = 0x7FFFFFFF / USER_HZ;
 
 	if (pinfo->onlink) {
 		struct rt6_info *rt;
@@ -1610,12 +1618,12 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len)
 					ip6_del_rt(rt, NULL, NULL, NULL);
 					rt = NULL;
 				} else {
-					rt->rt6i_expires = rt_expires;
+					rt->rt6i_expires = jiffies + rt_expires;
 				}
 			}
 		} else if (valid_lft) {
 			addrconf_prefix_route(&pinfo->prefix, pinfo->prefix_len,
-					      dev, rt_expires, RTF_ADDRCONF|RTF_EXPIRES|RTF_PREFIX_RT);
+					      dev, jiffies_to_clock_t(rt_expires), RTF_ADDRCONF|RTF_EXPIRES|RTF_PREFIX_RT);
 		}
 		if (rt)
 			dst_release(&rt->u.dst);
diff --git a/net/ipv6/netfilter/Kconfig b/net/ipv6/netfilter/Kconfig
index 060d61202412c5..04912f9b35c36a 100644
--- a/net/ipv6/netfilter/Kconfig
+++ b/net/ipv6/netfilter/Kconfig
@@ -211,7 +211,7 @@ config IP6_NF_TARGET_REJECT
 
 config IP6_NF_TARGET_NFQUEUE
 	tristate "NFQUEUE Target Support"
-	depends on IP_NF_IPTABLES
+	depends on IP6_NF_IPTABLES
 	help
 	  This Target replaced the old obsolete QUEUE target.
 
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index a7a537b5059537..7c68bfbee36193 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -829,7 +829,7 @@ int ip6_route_add(struct in6_rtmsg *rtmsg, struct nlmsghdr *nlh,
 	}
 
 	rt->u.dst.obsolete = -1;
-	rt->rt6i_expires = clock_t_to_jiffies(rtmsg->rtmsg_info);
+	rt->rt6i_expires = jiffies + clock_t_to_jiffies(rtmsg->rtmsg_info);
 	if (nlh && (r = NLMSG_DATA(nlh))) {
 		rt->rt6i_protocol = r->rtm_protocol;
 	} else {
diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c
index cf1d91e74c82a3..69bd957380e702 100644
--- a/net/ipv6/xfrm6_policy.c
+++ b/net/ipv6/xfrm6_policy.c
@@ -214,6 +214,7 @@ _decode_session6(struct sk_buff *skb, struct flowi *fl)
 		case IPPROTO_UDP:
 		case IPPROTO_TCP:
 		case IPPROTO_SCTP:
+		case IPPROTO_DCCP:
 			if (pskb_may_pull(skb, skb->nh.raw + offset + 4 - skb->data)) {
 				u16 *ports = (u16 *)exthdr;
 
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 1f7f244806b774..9df888e932c570 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -156,10 +156,6 @@ static inline void sctp_set_owner_w(struct sctp_chunk *chunk)
 				sizeof(struct sk_buff) +
 				sizeof(struct sctp_chunk);
 
-	sk->sk_wmem_queued += SCTP_DATA_SNDSIZE(chunk) +
-				sizeof(struct sk_buff) +
-				sizeof(struct sctp_chunk);
-
 	atomic_add(sizeof(struct sctp_chunk), &sk->sk_wmem_alloc);
 }
 
@@ -4426,7 +4422,7 @@ cleanup:
  * tcp_poll().  Note that, based on these implementations, we don't
  * lock the socket in this function, even though it seems that,
  * ideally, locking or some other mechanisms can be used to ensure
- * the integrity of the counters (sndbuf and wmem_queued) used
+ * the integrity of the counters (sndbuf and wmem_alloc) used
  * in this place.  We assume that we don't need locks either until proven
  * otherwise.
  *
@@ -4833,10 +4829,6 @@ static void sctp_wfree(struct sk_buff *skb)
 				sizeof(struct sk_buff) +
 				sizeof(struct sctp_chunk);
 
-	sk->sk_wmem_queued -= SCTP_DATA_SNDSIZE(chunk) +
-				sizeof(struct sk_buff) +
-				sizeof(struct sctp_chunk);
-
 	atomic_sub(sizeof(struct sctp_chunk), &sk->sk_wmem_alloc);
 
 	sock_wfree(skb);
@@ -4920,7 +4912,7 @@ void sctp_write_space(struct sock *sk)
 
 /* Is there any sndbuf space available on the socket?
  *
- * Note that wmem_queued is the sum of the send buffers on all of the
+ * Note that sk_wmem_alloc is the sum of the send buffers on all of the
  * associations on the same socket.  For a UDP-style socket with
  * multiple associations, it is possible for it to be "unwriteable"
  * prematurely.  I assume that this is acceptable because
@@ -4933,7 +4925,7 @@ static int sctp_writeable(struct sock *sk)
 {
 	int amt = 0;
 
-	amt = sk->sk_sndbuf - sk->sk_wmem_queued;
+	amt = sk->sk_sndbuf - atomic_read(&sk->sk_wmem_alloc);
 	if (amt < 0)
 		amt = 0;
 	return amt;
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 0db9e57013fdfa..54a4be6a7d269d 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -1014,13 +1014,12 @@ int __xfrm_route_forward(struct sk_buff *skb, unsigned short family)
 }
 EXPORT_SYMBOL(__xfrm_route_forward);
 
-/* Optimize later using cookies and generation ids. */
-
 static struct dst_entry *xfrm_dst_check(struct dst_entry *dst, u32 cookie)
 {
-	if (!stale_bundle(dst))
-		return dst;
-
+	/* If it is marked obsolete, which is how we even get here,
+	 * then we have purged it from the policy bundle list and we
+	 * did that for a good reason.
+	 */
 	return NULL;
 }
 
@@ -1104,6 +1103,16 @@ int xfrm_flush_bundles(void)
 	return 0;
 }
 
+static int always_true(struct dst_entry *dst)
+{
+	return 1;
+}
+
+void xfrm_flush_all_bundles(void)
+{
+	xfrm_prune_bundles(always_true);
+}
+
 void xfrm_init_pmtu(struct dst_entry *dst)
 {
 	do {
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index 7cf48aa6c95bdb..479effc97666e9 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -431,6 +431,8 @@ void xfrm_state_insert(struct xfrm_state *x)
 	spin_lock_bh(&xfrm_state_lock);
 	__xfrm_state_insert(x);
 	spin_unlock_bh(&xfrm_state_lock);
+
+	xfrm_flush_all_bundles();
 }
 EXPORT_SYMBOL(xfrm_state_insert);
 
@@ -478,6 +480,9 @@ out:
 	spin_unlock_bh(&xfrm_state_lock);
 	xfrm_state_put_afinfo(afinfo);
 
+	if (!err)
+		xfrm_flush_all_bundles();
+
 	if (x1) {
 		xfrm_state_delete(x1);
 		xfrm_state_put(x1);