X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fipv4%2Fipmr.c;h=85893eef6b16c5488ab01d0be5c168874b338293;hb=722874909271a807b243a797c2958e0a12992964;hp=302b7eb507c97ebae6365f6b99122650174e95b5;hpb=2fc2991175bf77395e6b15fe6b2304d3bf72da40;p=linux-2.6

diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 302b7eb507..85893eef6b 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -28,11 +28,11 @@
  *
  */
 
-#include <linux/config.h>
 #include <asm/system.h>
 #include <asm/uaccess.h>
 #include <linux/types.h>
 #include <linux/sched.h>
+#include <linux/capability.h>
 #include <linux/errno.h>
 #include <linux/timer.h>
 #include <linux/mm.h>
@@ -49,9 +49,11 @@
 #include <linux/seq_file.h>
 #include <linux/mroute.h>
 #include <linux/init.h>
+#include <linux/if_ether.h>
 #include <net/ip.h>
 #include <net/protocol.h>
 #include <linux/skbuff.h>
+#include <net/route.h>
 #include <net/sock.h>
 #include <net/icmp.h>
 #include <net/udp.h>
@@ -176,8 +178,8 @@ static int reg_vif_num = -1;
 static int reg_vif_xmit(struct sk_buff *skb, struct net_device *dev)
 {
 	read_lock(&mrt_lock);
-	((struct net_device_stats*)dev->priv)->tx_bytes += skb->len;
-	((struct net_device_stats*)dev->priv)->tx_packets++;
+	((struct net_device_stats*)netdev_priv(dev))->tx_bytes += skb->len;
+	((struct net_device_stats*)netdev_priv(dev))->tx_packets++;
 	ipmr_cache_report(skb, reg_vif_num, IGMPMSG_WHOLEPKT);
 	read_unlock(&mrt_lock);
 	kfree_skb(skb);
@@ -186,13 +188,13 @@ static int reg_vif_xmit(struct sk_buff *skb, struct net_device *dev)
 
 static struct net_device_stats *reg_vif_get_stats(struct net_device *dev)
 {
-	return (struct net_device_stats*)dev->priv;
+	return (struct net_device_stats*)netdev_priv(dev);
 }
 
 static void reg_vif_setup(struct net_device *dev)
 {
 	dev->type		= ARPHRD_PIMREG;
-	dev->mtu		= 1500 - sizeof(struct iphdr) - 8;
+	dev->mtu		= ETH_DATA_LEN - sizeof(struct iphdr) - 8;
 	dev->flags		= IFF_NOARP;
 	dev->hard_start_xmit	= reg_vif_xmit;
 	dev->get_stats		= reg_vif_get_stats;
@@ -412,10 +414,10 @@ static int vif_add(struct vifctl *vifc, int mrtsock)
 			return -ENOBUFS;
 		break;
 	case 0:
-		dev=ip_dev_find(vifc->vifc_lcl_addr.s_addr);
+		dev = ip_dev_find(vifc->vifc_lcl_addr.s_addr);
 		if (!dev)
 			return -EADDRNOTAVAIL;
-		__dev_put(dev);
+		dev_put(dev);
 		break;
 	default:
 		return -EINVAL;
@@ -1147,8 +1149,8 @@ static void ipmr_queue_xmit(struct sk_buff *skb, struct mfc_cache *c, int vifi)
 	if (vif->flags & VIFF_REGISTER) {
 		vif->pkt_out++;
 		vif->bytes_out+=skb->len;
-		((struct net_device_stats*)vif->dev->priv)->tx_bytes += skb->len;
-		((struct net_device_stats*)vif->dev->priv)->tx_packets++;
+		((struct net_device_stats*)netdev_priv(vif->dev))->tx_bytes += skb->len;
+		((struct net_device_stats*)netdev_priv(vif->dev))->tx_packets++;
 		ipmr_cache_report(skb, vifi, IGMPMSG_WHOLEPKT);
 		kfree_skb(skb);
 		return;
@@ -1208,8 +1210,8 @@ static void ipmr_queue_xmit(struct sk_buff *skb, struct mfc_cache *c, int vifi)
 	if (vif->flags & VIFF_TUNNEL) {
 		ip_encap(skb, vif->local, vif->remote);
 		/* FIXME: extra output firewall step used to be here. --RR */
-		((struct ip_tunnel *)vif->dev->priv)->stat.tx_packets++;
-		((struct ip_tunnel *)vif->dev->priv)->stat.tx_bytes+=skb->len;
+		((struct ip_tunnel *)netdev_priv(vif->dev))->stat.tx_packets++;
+		((struct ip_tunnel *)netdev_priv(vif->dev))->stat.tx_bytes+=skb->len;
 	}
 
 	IPCB(skb)->flags |= IPSKB_FORWARDED;
@@ -1459,14 +1461,13 @@ int pim_rcv_v1(struct sk_buff * skb)
 	skb_pull(skb, (u8*)encap - skb->data);
 	skb->nh.iph = (struct iphdr *)skb->data;
 	skb->dev = reg_dev;
-	memset(&(IPCB(skb)->opt), 0, sizeof(struct ip_options));
 	skb->protocol = htons(ETH_P_IP);
 	skb->ip_summed = 0;
 	skb->pkt_type = PACKET_HOST;
 	dst_release(skb->dst);
 	skb->dst = NULL;
-	((struct net_device_stats*)reg_dev->priv)->rx_bytes += skb->len;
-	((struct net_device_stats*)reg_dev->priv)->rx_packets++;
+	((struct net_device_stats*)netdev_priv(reg_dev))->rx_bytes += skb->len;
+	((struct net_device_stats*)netdev_priv(reg_dev))->rx_packets++;
 	nf_reset(skb);
 	netif_rx(skb);
 	dev_put(reg_dev);
@@ -1515,13 +1516,12 @@ static int pim_rcv(struct sk_buff * skb)
 	skb_pull(skb, (u8*)encap - skb->data);
 	skb->nh.iph = (struct iphdr *)skb->data;
 	skb->dev = reg_dev;
-	memset(&(IPCB(skb)->opt), 0, sizeof(struct ip_options));
 	skb->protocol = htons(ETH_P_IP);
 	skb->ip_summed = 0;
 	skb->pkt_type = PACKET_HOST;
 	dst_release(skb->dst);
-	((struct net_device_stats*)reg_dev->priv)->rx_bytes += skb->len;
-	((struct net_device_stats*)reg_dev->priv)->rx_packets++;
+	((struct net_device_stats*)netdev_priv(reg_dev))->rx_bytes += skb->len;
+	((struct net_device_stats*)netdev_priv(reg_dev))->rx_packets++;
 	skb->dst = NULL;
 	nf_reset(skb);
 	netif_rx(skb);
@@ -1578,6 +1578,7 @@ int ipmr_get_route(struct sk_buff *skb, struct rtmsg *rtm, int nowait)
 	cache = ipmr_cache_find(rt->rt_src, rt->rt_dst);
 
 	if (cache==NULL) {
+		struct sk_buff *skb2;
 		struct net_device *dev;
 		int vif;
 
@@ -1591,12 +1592,18 @@ int ipmr_get_route(struct sk_buff *skb, struct rtmsg *rtm, int nowait)
 			read_unlock(&mrt_lock);
 			return -ENODEV;
 		}
-		skb->nh.raw = skb_push(skb, sizeof(struct iphdr));
-		skb->nh.iph->ihl = sizeof(struct iphdr)>>2;
-		skb->nh.iph->saddr = rt->rt_src;
-		skb->nh.iph->daddr = rt->rt_dst;
-		skb->nh.iph->version = 0;
-		err = ipmr_cache_unresolved(vif, skb);
+		skb2 = skb_clone(skb, GFP_ATOMIC);
+		if (!skb2) {
+			read_unlock(&mrt_lock);
+			return -ENOMEM;
+		}
+
+		skb2->nh.raw = skb_push(skb2, sizeof(struct iphdr));
+		skb2->nh.iph->ihl = sizeof(struct iphdr)>>2;
+		skb2->nh.iph->saddr = rt->rt_src;
+		skb2->nh.iph->daddr = rt->rt_dst;
+		skb2->nh.iph->version = 0;
+		err = ipmr_cache_unresolved(vif, skb2);
 		read_unlock(&mrt_lock);
 		return err;
 	}