Merge with temp tree to get David's gdb inferior calls patch

9 files changed, 77 insertions, 28 deletions

diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index eea7ef0..abbc6d5 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1107,17 +1107,18 @@ static void rtmsg_ifa(int event, struct in_ifaddr* ifa)
 	}
 }
 
-static struct rtnetlink_link inet_rtnetlink_table[RTM_MAX - RTM_BASE + 1] = {
-	 [4] = { .doit	 = inet_rtm_newaddr,  },
-	 [5] = { .doit	 = inet_rtm_deladdr,  },
-	 [6] = { .dumpit = inet_dump_ifaddr,  },
-	 [8] = { .doit	 = inet_rtm_newroute, },
-	 [9] = { .doit	 = inet_rtm_delroute, },
-	[10] = { .doit	 = inet_rtm_getroute, .dumpit = inet_dump_fib, },
+static struct rtnetlink_link inet_rtnetlink_table[RTM_NR_MSGTYPES] = {
+	[RTM_NEWADDR  - RTM_BASE] = { .doit	= inet_rtm_newaddr,	},
+	[RTM_DELADDR  - RTM_BASE] = { .doit	= inet_rtm_deladdr,	},
+	[RTM_GETADDR  - RTM_BASE] = { .dumpit	= inet_dump_ifaddr,	},
+	[RTM_NEWROUTE - RTM_BASE] = { .doit	= inet_rtm_newroute,	},
+	[RTM_DELROUTE - RTM_BASE] = { .doit	= inet_rtm_delroute,	},
+	[RTM_GETROUTE - RTM_BASE] = { .doit	= inet_rtm_getroute,
+				      .dumpit	= inet_dump_fib,	},
 #ifdef CONFIG_IP_MULTIPLE_TABLES
-	[16] = { .doit	 = inet_rtm_newrule, },
-	[17] = { .doit	 = inet_rtm_delrule, },
-	[18] = { .dumpit = inet_dump_rules,  },
+	[RTM_NEWRULE  - RTM_BASE] = { .doit	= inet_rtm_newrule,	},
+	[RTM_DELRULE  - RTM_BASE] = { .doit	= inet_rtm_delrule,	},
+	[RTM_GETRULE  - RTM_BASE] = { .dumpit	= inet_dump_rules,	},
 #endif
 };
 
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 38f6953..24fe3e0 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -111,6 +111,7 @@ static int ip_dev_loopback_xmit(struct sk_buff *newskb)
 #ifdef CONFIG_NETFILTER_DEBUG
 	nf_debug_ip_loopback_xmit(newskb);
 #endif
+	nf_reset(newskb);
 	netif_rx(newskb);
 	return 0;
 }
diff --git a/net/ipv4/netfilter/ip_conntrack_proto_tcp.c b/net/ipv4/netfilter/ip_conntrack_proto_tcp.c
index 2b87c19..721ddbf 100644
--- a/net/ipv4/netfilter/ip_conntrack_proto_tcp.c
+++ b/net/ipv4/netfilter/ip_conntrack_proto_tcp.c
@@ -819,6 +819,7 @@ static int tcp_error(struct sk_buff *skb,
 	 */
 	/* FIXME: Source route IP option packets --RR */
 	if (hooknum == NF_IP_PRE_ROUTING
+	    && skb->ip_summed != CHECKSUM_UNNECESSARY
 	    && csum_tcpudp_magic(iph->saddr, iph->daddr, tcplen, IPPROTO_TCP,
 			         skb->ip_summed == CHECKSUM_HW ? skb->csum
 			      	 : skb_checksum(skb, iph->ihl*4, tcplen, 0))) {
diff --git a/net/ipv4/netfilter/ip_queue.c b/net/ipv4/netfilter/ip_queue.c
index 9e40dff..e5746b6 100644
--- a/net/ipv4/netfilter/ip_queue.c
+++ b/net/ipv4/netfilter/ip_queue.c
@@ -546,20 +546,18 @@ ipq_rcv_skb(struct sk_buff *skb)
 static void
 ipq_rcv_sk(struct sock *sk, int len)
 {
-	do {
-		struct sk_buff *skb;
+	struct sk_buff *skb;
+	unsigned int qlen;
 
-		if (down_trylock(&ipqnl_sem))
-			return;
+	down(&ipqnl_sem);
 			
-		while ((skb = skb_dequeue(&sk->sk_receive_queue)) != NULL) {
-			ipq_rcv_skb(skb);
-			kfree_skb(skb);
-		}
+	for (qlen = skb_queue_len(&sk->sk_receive_queue); qlen; qlen--) {
+		skb = skb_dequeue(&sk->sk_receive_queue);
+		ipq_rcv_skb(skb);
+		kfree_skb(skb);
+	}
 		
-		up(&ipqnl_sem);
-
-	} while (ipqnl && ipqnl->sk_receive_queue.qlen);
+	up(&ipqnl_sem);
 }
 
 static int
diff --git a/net/ipv4/netfilter/iptable_raw.c b/net/ipv4/netfilter/iptable_raw.c
index 01b4a3c..47449ba 100644
--- a/net/ipv4/netfilter/iptable_raw.c
+++ b/net/ipv4/netfilter/iptable_raw.c
@@ -103,13 +103,15 @@ static struct nf_hook_ops ipt_ops[] = {
 	  .hook = ipt_hook, 
 	  .pf = PF_INET, 
 	  .hooknum = NF_IP_PRE_ROUTING, 
-	  .priority = NF_IP_PRI_RAW
+	  .priority = NF_IP_PRI_RAW,
+	  .owner = THIS_MODULE,
 	},
 	{
 	  .hook = ipt_hook, 
 	  .pf = PF_INET, 
 	  .hooknum = NF_IP_LOCAL_OUT, 
-	  .priority = NF_IP_PRI_RAW
+	  .priority = NF_IP_PRI_RAW,
+	  .owner = THIS_MODULE,
 	},
 };
 
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index bb90a0c..1993117 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -397,7 +397,7 @@ static int rt_cpu_seq_show(struct seq_file *seq, void *v)
 	struct rt_cache_stat *st = v;
 
 	if (v == SEQ_START_TOKEN) {
-		seq_printf(seq, "entries  in_hit in_slow_tot in_no_route in_brd in_martian_dst in_martian_src  out_hit out_slow_tot out_slow_mc  gc_total gc_ignored gc_goal_miss gc_dst_overflow in_hlist_search out_hlist_search\n");
+		seq_printf(seq, "entries  in_hit in_slow_tot in_slow_mc in_no_route in_brd in_martian_dst in_martian_src  out_hit out_slow_tot out_slow_mc  gc_total gc_ignored gc_goal_miss gc_dst_overflow in_hlist_search out_hlist_search\n");
 		return 0;
 	}
 	
@@ -2843,7 +2843,7 @@ ctl_table ipv4_route_table[] = {
 		.procname	= "flush",
 		.data		= &flush_delay,
 		.maxlen		= sizeof(int),
-		.mode		= 0644,
+		.mode		= 0200,
 		.proc_handler	= &ipv4_sysctl_rtcache_flush,
 		.strategy	= &ipv4_sysctl_rtcache_flush_strategy,
 	},
diff --git a/net/ipv4/tcp_diag.c b/net/ipv4/tcp_diag.c
index 313c140..8faa894 100644
--- a/net/ipv4/tcp_diag.c
+++ b/net/ipv4/tcp_diag.c
@@ -777,8 +777,9 @@ static inline void tcpdiag_rcv_skb(struct sk_buff *skb)
 static void tcpdiag_rcv(struct sock *sk, int len)
 {
 	struct sk_buff *skb;
+	unsigned int qlen = skb_queue_len(&sk->sk_receive_queue);
 
-	while ((skb = skb_dequeue(&sk->sk_receive_queue)) != NULL) {
+	while (qlen-- && (skb = skb_dequeue(&sk->sk_receive_queue))) {
 		tcpdiag_rcv_skb(skb);
 		kfree_skb(skb);
 	}
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 3ac6659..dad98e4 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -222,10 +222,13 @@ static int tcp_v4_get_port(struct sock *sk, unsigned short snum)
 		int rover;
 
 		spin_lock(&tcp_portalloc_lock);
-		rover = tcp_port_rover;
+		if (tcp_port_rover < low)
+			rover = low;
+		else
+			rover = tcp_port_rover;
 		do {
 			rover++;
-			if (rover < low || rover > high)
+			if (rover > high)
 				rover = low;
 			head = &tcp_bhash[tcp_bhashfn(rover)];
 			spin_lock(&head->lock);
diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index 7fe2afd..b2b60f3 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -8,7 +8,10 @@
  * 	
  */
 
+#include <asm/bug.h>
+#include <linux/compiler.h>
 #include <linux/config.h>
+#include <linux/inetdevice.h>
 #include <net/xfrm.h>
 #include <net/ip.h>
 
@@ -152,6 +155,8 @@ __xfrm4_bundle_create(struct xfrm_policy *policy, struct xfrm_state **xfrm, int
 		x->u.rt.rt_dst = rt0->rt_dst;
 		x->u.rt.rt_gateway = rt->rt_gateway;
 		x->u.rt.rt_spec_dst = rt0->rt_spec_dst;
+		x->u.rt.idev = rt0->idev;
+		in_dev_hold(rt0->idev);
 		header_len -= x->u.dst.xfrm->props.header_len;
 		trailer_len -= x->u.dst.xfrm->props.trailer_len;
 	}
@@ -243,11 +248,48 @@ static void xfrm4_update_pmtu(struct dst_entry *dst, u32 mtu)
 	path->ops->update_pmtu(path, mtu);
 }
 
+static void xfrm4_dst_destroy(struct dst_entry *dst)
+{
+	struct xfrm_dst *xdst = (struct xfrm_dst *)dst;
+
+	if (likely(xdst->u.rt.idev))
+		in_dev_put(xdst->u.rt.idev);
+	xfrm_dst_destroy(xdst);
+}
+
+static void xfrm4_dst_ifdown(struct dst_entry *dst, struct net_device *dev,
+			     int unregister)
+{
+	struct xfrm_dst *xdst;
+
+	if (!unregister)
+		return;
+
+	xdst = (struct xfrm_dst *)dst;
+	if (xdst->u.rt.idev->dev == dev) {
+		struct in_device *loopback_idev = in_dev_get(&loopback_dev);
+		BUG_ON(!loopback_idev);
+
+		do {
+			in_dev_put(xdst->u.rt.idev);
+			xdst->u.rt.idev = loopback_idev;
+			in_dev_hold(loopback_idev);
+			xdst = (struct xfrm_dst *)xdst->u.dst.child;
+		} while (xdst->u.dst.xfrm);
+
+		__in_dev_put(loopback_idev);
+	}
+
+	xfrm_dst_ifdown(dst, dev);
+}
+
 static struct dst_ops xfrm4_dst_ops = {
 	.family =		AF_INET,
 	.protocol =		__constant_htons(ETH_P_IP),
 	.gc =			xfrm4_garbage_collect,
 	.update_pmtu =		xfrm4_update_pmtu,
+	.destroy =		xfrm4_dst_destroy,
+	.ifdown =		xfrm4_dst_ifdown,
 	.gc_thresh =		1024,
 	.entry_size =		sizeof(struct xfrm_dst),
 };