Merge davem@nuts.davemloft.net:/disk1/BK/net-2.6

into kernel.bkbits.net:/home/davem/net-2.6

include/linux/netfilter_ipv6/ip6t_REJECT.h

-#ifndef _IP6T_REJECT_H
-#define _IP6T_REJECT_H
-
-enum ip6t_reject_with {
-	IP6T_ICMP_NET_UNREACHABLE,
-	IP6T_ICMP_HOST_UNREACHABLE,
-	IP6T_ICMP_PROT_UNREACHABLE,
-	IP6T_ICMP_PORT_UNREACHABLE,
-	IP6T_ICMP_ECHOREPLY
-};
-
-struct ip6t_reject_info {
-	enum ip6t_reject_with with;      /* reject type */
-};
-
-#endif /*_IPT_REJECT_H*/

include/linux/netlink.h

@@ -134,13 +134,6 @@ int netlink_attachskb(struct sock *sk, struct sk_buff *skb, int nonblock, long t
 void netlink_detachskb(struct sock *sk, struct sk_buff *skb);
 int netlink_sendskb(struct sock *sk, struct sk_buff *skb, int protocol);
 
-/* finegrained unicast helpers: */
-struct sock *netlink_getsockbypid(struct sock *ssk, u32 pid);
-struct sock *netlink_getsockbyfilp(struct file *filp);
-int netlink_attachskb(struct sock *sk, struct sk_buff *skb, int nonblock, long timeo);
-void netlink_detachskb(struct sock *sk, struct sk_buff *skb);
-int netlink_sendskb(struct sock *sk, struct sk_buff *skb, int protocol);
-
 /*
  *	skb should fit one page. This choice is good for headerless malloc.
  *

include/linux/pkt_sched.h

@@ -402,6 +402,16 @@ enum {
 #define TCA_ATM_MAX	TCA_ATM_STATE
 
 /* Network emulator */
+
+enum
+{
+	TCA_NETEM_UNSPEC,
+	TCA_NETEM_CORR,
+	TCA_NETEM_DELAY_DIST,
+};
+
+#define TCA_NETEM_MAX	TCA_NETEM_DELAY_DIST
+
 struct tc_netem_qopt
 {
 	__u32	latency;	/* added delay (us) */
@@ -411,4 +421,19 @@ struct tc_netem_qopt
 	__u32   duplicate;	/* random packet dup  (0=none ~0=100%) */
 	__u32	jitter;		/* random jitter in latency (us) */
 };
+
+struct tc_netem_corr
+{
+	__u32	delay_corr;	/* delay correlation */
+	__u32	loss_corr;	/* packet loss correlation */
+	__u32	dup_corr;	/* duplicate correlation  */
+};
+
+struct tc_netem_dist
+{
+	__u32	size;		/* table size */
+	__u32	factor;		/* table scaling factor */
+	__s16	data[0];	/* distribution table values */
+};
+
 #endif

net/ipv4/netfilter/arp_tables.c

@@ -106,7 +106,7 @@ static inline int arp_packet_match(const struct arphdr *arphdr,
 {
 	char *arpptr = (char *)(arphdr + 1);
 	char *src_devaddr, *tgt_devaddr;
-	u32 *src_ipaddr, *tgt_ipaddr;
+	u32 src_ipaddr, tgt_ipaddr;
 	int i, ret;
 
 #define FWINV(bool,invflg) ((bool) ^ !!(arpinfo->invflags & invflg))
@@ -145,11 +145,11 @@ static inline int arp_packet_match(const struct arphdr *arphdr,
 
 	src_devaddr = arpptr;
 	arpptr += dev->addr_len;
-	src_ipaddr = (u32 *) arpptr;
+	memcpy(&src_ipaddr, arpptr, sizeof(u32));
 	arpptr += sizeof(u32);
 	tgt_devaddr = arpptr;
 	arpptr += dev->addr_len;
-	tgt_ipaddr = (u32 *) arpptr;
+	memcpy(&tgt_ipaddr, arpptr, sizeof(u32));
 
 	if (FWINV(arp_devaddr_compare(&arpinfo->src_devaddr, src_devaddr, dev->addr_len),
 		  ARPT_INV_SRCDEVADDR) ||
@@ -160,19 +160,19 @@ static inline int arp_packet_match(const struct arphdr *arphdr,
 		return 0;
 	}
 
-	if (FWINV(((*src_ipaddr) & arpinfo->smsk.s_addr) != arpinfo->src.s_addr,
+	if (FWINV((src_ipaddr & arpinfo->smsk.s_addr) != arpinfo->src.s_addr,
 		  ARPT_INV_SRCIP) ||
-	    FWINV((((*tgt_ipaddr) & arpinfo->tmsk.s_addr) != arpinfo->tgt.s_addr),
+	    FWINV(((tgt_ipaddr & arpinfo->tmsk.s_addr) != arpinfo->tgt.s_addr),
 		  ARPT_INV_TGTIP)) {
 		dprintf("Source or target IP address mismatch.\n");
 
 		dprintf("SRC: %u.%u.%u.%u. Mask: %u.%u.%u.%u. Target: %u.%u.%u.%u.%s\n",
-			NIPQUAD(*src_ipaddr),
+			NIPQUAD(src_ipaddr),
 			NIPQUAD(arpinfo->smsk.s_addr),
 			NIPQUAD(arpinfo->src.s_addr),
 			arpinfo->invflags & ARPT_INV_SRCIP ? " (INV)" : "");
 		dprintf("TGT: %u.%u.%u.%u Mask: %u.%u.%u.%u Target: %u.%u.%u.%u.%s\n",
-			NIPQUAD(*tgt_ipaddr),
+			NIPQUAD(tgt_ipaddr),
 			NIPQUAD(arpinfo->tmsk.s_addr),
 			NIPQUAD(arpinfo->tgt.s_addr),
 			arpinfo->invflags & ARPT_INV_TGTIP ? " (INV)" : "");

net/ipv6/datagram.c

@@ -38,7 +38,7 @@ int ip6_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 	struct sockaddr_in6	*usin = (struct sockaddr_in6 *) uaddr;
 	struct inet_opt      	*inet = inet_sk(sk);
 	struct ipv6_pinfo      	*np = inet6_sk(sk);
-	struct in6_addr		*daddr;
+	struct in6_addr		*daddr, *final_p = NULL, final;
 	struct dst_entry	*dst;
 	struct flowi		fl;
 	struct ip6_flowlabel	*flowlabel = NULL;
@@ -157,16 +157,27 @@ int ip6_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 	if (flowlabel) {
 		if (flowlabel->opt && flowlabel->opt->srcrt) {
 			struct rt0_hdr *rt0 = (struct rt0_hdr *) flowlabel->opt->srcrt;
+			ipv6_addr_copy(&final, &fl.fl6_dst);
 			ipv6_addr_copy(&fl.fl6_dst, rt0->addr);
+			final_p = &final;
 		}
 	} else if (np->opt && np->opt->srcrt) {
 		struct rt0_hdr *rt0 = (struct rt0_hdr *)np->opt->srcrt;
+		ipv6_addr_copy(&final, &fl.fl6_dst);
 		ipv6_addr_copy(&fl.fl6_dst, rt0->addr);
+		final_p = &final;
 	}
 
 	err = ip6_dst_lookup(sk, &dst, &fl);
 	if (err)
 		goto out;
+	if (final_p)
+		ipv6_addr_copy(&fl.fl6_dst, final_p);
+
+	if ((err = xfrm_lookup(&dst, &fl, sk, 0)) < 0) {
+		dst_release(dst);
+		goto out;
+	}
 
 	/* source address lookup done in ip6_dst_lookup */
 

net/ipv6/ip6_output.c

@@ -796,10 +796,6 @@ int ip6_dst_lookup(struct sock *sk, struct dst_entry **dst, struct flowi *fl)
 			goto out_err_release;
 		}
 	}
-	if ((err = xfrm_lookup(dst, fl, sk, 0)) < 0) {
-		err = -ENETUNREACH;
-		goto out_err_release;
-        }
 
 	return 0;
 

net/ipv6/raw.c

@@ -606,7 +606,7 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
 {
 	struct ipv6_txoptions opt_space;
 	struct sockaddr_in6 * sin6 = (struct sockaddr_in6 *) msg->msg_name;
-	struct in6_addr *daddr;
+	struct in6_addr *daddr, *final_p = NULL, final;
 	struct inet_opt *inet = inet_sk(sk);
 	struct ipv6_pinfo *np = inet6_sk(sk);
 	struct raw6_opt *raw_opt = raw6_sk(sk);
@@ -729,7 +729,9 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
 	/* merge ip6_build_xmit from ip6_output */
 	if (opt && opt->srcrt) {
 		struct rt0_hdr *rt0 = (struct rt0_hdr *) opt->srcrt;
+		ipv6_addr_copy(&final, &fl.fl6_dst);
 		ipv6_addr_copy(&fl.fl6_dst, rt0->addr);
+		final_p = &final;
 	}
 
 	if (!fl.oif && ipv6_addr_is_multicast(&fl.fl6_dst))
@@ -738,6 +740,13 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
 	err = ip6_dst_lookup(sk, &dst, &fl);
 	if (err)
 		goto out;
+	if (final_p)
+		ipv6_addr_copy(&fl.fl6_dst, final_p);
+
+	if ((err = xfrm_lookup(&dst, &fl, sk, 0)) < 0) {
+		dst_release(dst);
+		goto out;
+	}
 
 	if (hlimit < 0) {
 		if (ipv6_addr_is_multicast(&fl.fl6_dst))

net/ipv6/tcp_ipv6.c

@@ -549,7 +549,7 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
 	struct inet_opt *inet = inet_sk(sk);
 	struct ipv6_pinfo *np = inet6_sk(sk);
 	struct tcp_opt *tp = tcp_sk(sk);
-	struct in6_addr *saddr = NULL;
+	struct in6_addr *saddr = NULL, *final_p = NULL, final;
 	struct flowi fl;
 	struct dst_entry *dst;
 	int addr_type;
@@ -666,13 +666,21 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
 
 	if (np->opt && np->opt->srcrt) {
 		struct rt0_hdr *rt0 = (struct rt0_hdr *)np->opt->srcrt;
+		ipv6_addr_copy(&final, &fl.fl6_dst);
 		ipv6_addr_copy(&fl.fl6_dst, rt0->addr);
+		final_p = &final;
 	}
 
 	err = ip6_dst_lookup(sk, &dst, &fl);
-
 	if (err)
 		goto failure;
+	if (final_p)
+		ipv6_addr_copy(&fl.fl6_dst, final_p);
+
+	if ((err = xfrm_lookup(&dst, &fl, sk, 0)) < 0) {
+		dst_release(dst);
+		goto failure;
+	}
 
 	if (saddr == NULL) {
 		saddr = &fl.fl6_src;
@@ -793,6 +801,12 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 				sk->sk_err_soft = -err;
 				goto out;
 			}
+
+			if ((err = xfrm_lookup(&dst, &fl, sk, 0)) < 0) {
+				sk->sk_err_soft = -err;
+				goto out;
+			}
+
 		} else
 			dst_hold(dst);
 
@@ -863,6 +877,7 @@ static int tcp_v6_send_synack(struct sock *sk, struct open_request *req,
 	struct ipv6_pinfo *np = inet6_sk(sk);
 	struct sk_buff * skb;
 	struct ipv6_txoptions *opt = NULL;
+	struct in6_addr * final_p = NULL, final;
 	struct flowi fl;
 	int err = -1;
 
@@ -888,12 +903,18 @@ static int tcp_v6_send_synack(struct sock *sk, struct open_request *req,
 
 		if (opt && opt->srcrt) {
 			struct rt0_hdr *rt0 = (struct rt0_hdr *) opt->srcrt;
+			ipv6_addr_copy(&final, &fl.fl6_dst);
 			ipv6_addr_copy(&fl.fl6_dst, rt0->addr);
+			final_p = &final;
 		}
 
 		err = ip6_dst_lookup(sk, &dst, &fl);
 		if (err)
 			goto done;
+		if (final_p)
+			ipv6_addr_copy(&fl.fl6_dst, final_p);
+		if ((err = xfrm_lookup(&dst, &fl, sk, 0)) < 0)
+			goto done;
 	}
 
 	skb = tcp_make_synack(sk, dst, req);
@@ -1021,6 +1042,12 @@ static void tcp_v6_send_reset(struct sk_buff *skb)
 
 	/* sk = NULL, but it is safe for now. RST socket required. */
 	if (!ip6_dst_lookup(NULL, &buff->dst, &fl)) {
+
+		if ((xfrm_lookup(&buff->dst, &fl, NULL, 0)) < 0) {
+			dst_release(buff->dst);
+			return;
+		}
+
 		ip6_xmit(NULL, buff, &fl, NULL, 0);
 		TCP_INC_STATS_BH(TCP_MIB_OUTSEGS);
 		TCP_INC_STATS_BH(TCP_MIB_OUTRSTS);
@@ -1082,6 +1109,10 @@ static void tcp_v6_send_ack(struct sk_buff *skb, u32 seq, u32 ack, u32 win, u32
 	fl.fl_ip_sport = t1->source;
 
 	if (!ip6_dst_lookup(NULL, &buff->dst, &fl)) {
+		if ((xfrm_lookup(&buff->dst, &fl, NULL, 0)) < 0) {
+			dst_release(buff->dst);
+			return;
+		}
 		ip6_xmit(NULL, buff, &fl, NULL, 0);
 		TCP_INC_STATS_BH(TCP_MIB_OUTSEGS);
 		return;
@@ -1313,6 +1344,7 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
 	}
 
 	if (dst == NULL) {
+		struct in6_addr *final_p = NULL, final;
 		struct flowi fl;
 
 		memset(&fl, 0, sizeof(fl));
@@ -1320,7 +1352,9 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
 		ipv6_addr_copy(&fl.fl6_dst, &req->af.v6_req.rmt_addr);
 		if (opt && opt->srcrt) {
 			struct rt0_hdr *rt0 = (struct rt0_hdr *) opt->srcrt;
+			ipv6_addr_copy(&final, &fl.fl6_dst);
 			ipv6_addr_copy(&fl.fl6_dst, rt0->addr);
+			final_p = &final;
 		}
 		ipv6_addr_copy(&fl.fl6_src, &req->af.v6_req.loc_addr);
 		fl.oif = sk->sk_bound_dev_if;
@@ -1329,6 +1363,12 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
 
 		if (ip6_dst_lookup(sk, &dst, &fl))
 			goto out;
+
+		if (final_p)
+			ipv6_addr_copy(&fl.fl6_dst, final_p);
+
+		if ((xfrm_lookup(&dst, &fl, sk, 0)) < 0)
+			goto out;
 	} 
 
 	newsk = tcp_create_openreq_child(sk, req, skb);
@@ -1710,6 +1750,7 @@ static int tcp_v6_rebuild_header(struct sock *sk)
 
 	if (dst == NULL) {
 		struct inet_opt *inet = inet_sk(sk);
+		struct in6_addr *final_p = NULL, final;
 		struct flowi fl;
 
 		memset(&fl, 0, sizeof(fl));
@@ -1723,15 +1764,24 @@ static int tcp_v6_rebuild_header(struct sock *sk)
 
 		if (np->opt && np->opt->srcrt) {
 			struct rt0_hdr *rt0 = (struct rt0_hdr *) np->opt->srcrt;
+			ipv6_addr_copy(&final, &fl.fl6_dst);
 			ipv6_addr_copy(&fl.fl6_dst, rt0->addr);
+			final_p = &final;
 		}
 
 		err = ip6_dst_lookup(sk, &dst, &fl);
-
 		if (err) {
 			sk->sk_route_caps = 0;
 			return err;
 		}
+		if (final_p)
+			ipv6_addr_copy(&fl.fl6_dst, final_p);
+
+		if ((err = xfrm_lookup(&dst, &fl, sk, 0)) < 0) {
+			sk->sk_err_soft = -err;
+			dst_release(dst);
+			return err;
+		}
 
 		ip6_dst_store(sk, dst, NULL);
 		sk->sk_route_caps = dst->dev->features &
@@ -1775,6 +1825,12 @@ static int tcp_v6_xmit(struct sk_buff *skb, int ipfragok)
 			return err;
 		}
 
+		if ((err = xfrm_lookup(&dst, &fl, sk, 0)) < 0) {
+			sk->sk_route_caps = 0;
+			dst_release(dst);
+			return err;
+		}
+
 		ip6_dst_store(sk, dst, NULL);
 		sk->sk_route_caps = dst->dev->features &
 			~(NETIF_F_IP_CSUM | NETIF_F_TSO);

net/ipv6/udp.c

@@ -627,7 +627,7 @@ static int udpv6_sendmsg(struct kiocb *iocb, struct sock *sk,
 	struct inet_opt *inet = inet_sk(sk);
 	struct ipv6_pinfo *np = inet6_sk(sk);
 	struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *) msg->msg_name;
-	struct in6_addr *daddr;
+	struct in6_addr *daddr, *final_p = NULL, final;
 	struct ipv6_txoptions *opt = NULL;
 	struct ip6_flowlabel *flowlabel = NULL;
 	struct flowi *fl = &inet->cork.fl;
@@ -783,7 +783,9 @@ static int udpv6_sendmsg(struct kiocb *iocb, struct sock *sk,
 	/* merge ip6_build_xmit from ip6_output */
 	if (opt && opt->srcrt) {
 		struct rt0_hdr *rt0 = (struct rt0_hdr *) opt->srcrt;
+		ipv6_addr_copy(&final, &fl->fl6_dst);
 		ipv6_addr_copy(&fl->fl6_dst, rt0->addr);
+		final_p = &final;
 	}
 
 	if (!fl->oif && ipv6_addr_is_multicast(&fl->fl6_dst))
@@ -792,6 +794,13 @@ static int udpv6_sendmsg(struct kiocb *iocb, struct sock *sk,
 	err = ip6_dst_lookup(sk, &dst, fl);
 	if (err)
 		goto out;
+	if (final_p)
+		ipv6_addr_copy(&fl->fl6_dst, final_p);
+
+	if ((err = xfrm_lookup(&dst, fl, sk, 0)) < 0) {
+		dst_release(dst);
+		goto out;
+	}
 
 	if (hlimit < 0) {
 		if (ipv6_addr_is_multicast(&fl->fl6_dst))

net/netlink/af_netlink.c

@@ -46,6 +46,7 @@
 #include <linux/security.h>
 #include <net/sock.h>
 #include <net/scm.h>
+#include <linux/workqueue.h>
 
 #define Nprintk(a...)
 
@@ -69,6 +70,14 @@ struct netlink_opt
 
 #define nlk_sk(__sk) ((struct netlink_opt *)(__sk)->sk_protinfo)
 
+struct netlink_work
+{
+	struct sock 		*sk;
+	int 			len;
+	struct work_struct 	work;
+};
+
+static struct workqueue_struct *netlink_wq;
 static struct hlist_head nl_table[MAX_LINKS];
 static DECLARE_WAIT_QUEUE_HEAD(nl_table_wait);
 static unsigned nl_nonroot[MAX_LINKS];
@@ -87,6 +96,16 @@ static atomic_t nl_table_users = ATOMIC_INIT(0);
 
 static struct notifier_block *netlink_chain;
 
+/* netlink workqueue handler */
+static void netlink_wq_handler(void *data)
+{
+	struct netlink_work *work = data;
+	
+	work->sk->sk_data_ready(work->sk, work->len);
+	sock_put(work->sk);
+	kfree(work);
+}
+
 static void netlink_sock_destruct(struct sock *sk)
 {
 	skb_queue_purge(&sk->sk_receive_queue);
@@ -478,6 +497,8 @@ int netlink_attachskb(struct sock *sk, struct sk_buff *skb, int nonblock, long t
 	if (atomic_read(&sk->sk_rmem_alloc) > sk->sk_rcvbuf ||
 	    test_bit(0, &nlk->state)) {
 		DECLARE_WAITQUEUE(wait, current);
+		task_t *client;
+
 		if (!timeo) {
 			if (!nlk->pid)
 				netlink_overrun(sk);
@@ -486,6 +507,19 @@ int netlink_attachskb(struct sock *sk, struct sk_buff *skb, int nonblock, long t
 			return -EAGAIN;
 		}
 
+		if (nlk->pid) {
+			/* Kernel is sending information to user space
+			 * and socket buffer is full: Wake up user
+			 * process */
+			client = find_task_by_pid(nlk->pid);
+			if (!client) {
+				sock_put(sk);
+				kfree_skb(skb);
+				return -EAGAIN;
+			}
+			wake_up_process(client);
+		}
+
 		__set_current_state(TASK_INTERRUPTIBLE);
 		add_wait_queue(&nlk->wait, &wait);
 
@@ -525,8 +559,24 @@ int netlink_sendskb(struct sock *sk, struct sk_buff *skb, int protocol)
 #endif
 
 	skb_queue_tail(&sk->sk_receive_queue, skb);
-	sk->sk_data_ready(sk, len);
-	sock_put(sk);
+	if (!nlk->pid) {
+		struct netlink_work *nlwork = 
+			kmalloc(sizeof(struct netlink_work), GFP_KERNEL);
+
+		if (!nlwork) {
+			sock_put(sk);
+			return -EAGAIN;
+		}
+		
+		INIT_WORK(&nlwork->work, netlink_wq_handler, nlwork);
+		nlwork->sk = sk;
+		nlwork->len = len;
+		queue_work(netlink_wq, &nlwork->work);
+	} else {
+		sk->sk_data_ready(sk, len);
+		sock_put(sk);
+	}
+
 	return len;
 }
 
@@ -573,7 +623,21 @@ static __inline__ int netlink_broadcast_deliver(struct sock *sk, struct sk_buff
                 skb_orphan(skb);
 		skb_set_owner_r(skb, sk);
 		skb_queue_tail(&sk->sk_receive_queue, skb);
-		sk->sk_data_ready(sk, skb->len);
+
+		if (!nlk->pid) {
+			struct netlink_work *nlwork = 
+				kmalloc(sizeof(struct netlink_work), GFP_KERNEL);
+
+			if (!nlwork)
+				return -1;
+		
+			INIT_WORK(&nlwork->work, netlink_wq_handler, nlwork);
+			nlwork->sk = sk;
+			nlwork->len = skb->len;
+			queue_work(netlink_wq, &nlwork->work);
+		} else 
+			sk->sk_data_ready(sk, skb->len);
+
 		return 0;
 	}
 	return -1;
@@ -619,13 +683,14 @@ int netlink_broadcast(struct sock *ssk, struct sk_buff *skb, u32 pid,
 			netlink_overrun(sk);
 			/* Clone failed. Notify ALL listeners. */
 			failure = 1;
+			sock_put(sk);
 		} else if (netlink_broadcast_deliver(sk, skb2)) {
 			netlink_overrun(sk);
+			sock_put(sk);
 		} else {
 			delivered = 1;
 			skb2 = NULL;
 		}
-		sock_put(sk);
 	}
 
 	netlink_unlock_table();
@@ -1202,6 +1267,9 @@ static int __init netlink_proto_init(void)
 #endif
 	/* The netlink device handler may be needed early. */ 
 	rtnetlink_init();
+	
+	/* Create a work queue to handle callbacks to modules */
+	netlink_wq = create_workqueue("netlink");
 	return 0;
 }
 
@@ -1209,6 +1277,7 @@ static void __exit netlink_proto_exit(void)
 {
        sock_unregister(PF_NETLINK);
        proc_net_remove("netlink");
+       destroy_workqueue(netlink_wq);
 }
 
 core_initcall(netlink_proto_init);

net/packet/af_packet.c

@@ -66,6 +66,7 @@
 #include <asm/uaccess.h>
 #include <asm/ioctls.h>
 #include <asm/page.h>
+#include <asm/io.h>
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #include <linux/poll.h>
@@ -173,7 +174,7 @@ struct packet_opt
 {
 	struct tpacket_stats	stats;
 #ifdef CONFIG_PACKET_MMAP
-	unsigned long		*pg_vec;
+	char *			*pg_vec;
 	unsigned int		head;
 	unsigned int            frames_per_block;
 	unsigned int		frame_size;
@@ -198,15 +199,15 @@ struct packet_opt
 
 #ifdef CONFIG_PACKET_MMAP
 
-static inline unsigned long packet_lookup_frame(struct packet_opt *po, unsigned int position)
+static inline char *packet_lookup_frame(struct packet_opt *po, unsigned int position)
 {
 	unsigned int pg_vec_pos, frame_offset;
-	unsigned long frame;
+	char *frame;
 
 	pg_vec_pos = position / po->frames_per_block;
 	frame_offset = position % po->frames_per_block;
 
-	frame = (unsigned long) (po->pg_vec[pg_vec_pos] + (frame_offset * po->frame_size));
+	frame = po->pg_vec[pg_vec_pos] + (frame_offset * po->frame_size);
 	
 	return frame;
 }
@@ -1549,7 +1550,12 @@ static struct vm_operations_struct packet_mmap_ops = {
 	.close =packet_mm_close,
 };
 
-static void free_pg_vec(unsigned long *pg_vec, unsigned order, unsigned len)
+static inline struct page *pg_vec_endpage(char *one_pg_vec, unsigned int order)
+{
+	return virt_to_page(one_pg_vec + (PAGE_SIZE << order) - 1);
+}
+
+static void free_pg_vec(char **pg_vec, unsigned order, unsigned len)
 {
 	int i;
 
@@ -1557,10 +1563,10 @@ static void free_pg_vec(unsigned long *pg_vec, unsigned order, unsigned len)
 		if (pg_vec[i]) {
 			struct page *page, *pend;
 
-			pend = virt_to_page(pg_vec[i] + (PAGE_SIZE << order) - 1);
+			pend = pg_vec_endpage(pg_vec[i], order);
 			for (page = virt_to_page(pg_vec[i]); page <= pend; page++)
 				ClearPageReserved(page);
-			free_pages(pg_vec[i], order);
+			free_pages((unsigned long)pg_vec[i], order);
 		}
 	}
 	kfree(pg_vec);
@@ -1569,7 +1575,7 @@ static void free_pg_vec(unsigned long *pg_vec, unsigned order, unsigned len)
 
 static int packet_set_ring(struct sock *sk, struct tpacket_req *req, int closing)
 {
-	unsigned long *pg_vec = NULL;
+	char **pg_vec = NULL;
 	struct packet_opt *po = pkt_sk(sk);
 	int was_running, num, order = 0;
 	int err = 0;
@@ -1604,18 +1610,18 @@ static int packet_set_ring(struct sock *sk, struct tpacket_req *req, int closing
 
 		err = -ENOMEM;
 
-		pg_vec = kmalloc(req->tp_block_nr*sizeof(unsigned long*), GFP_KERNEL);
+		pg_vec = kmalloc(req->tp_block_nr*sizeof(char *), GFP_KERNEL);
 		if (pg_vec == NULL)
 			goto out;
-		memset(pg_vec, 0, req->tp_block_nr*sizeof(unsigned long*));
+		memset(pg_vec, 0, req->tp_block_nr*sizeof(char **));
 
 		for (i=0; i<req->tp_block_nr; i++) {
 			struct page *page, *pend;
-			pg_vec[i] = __get_free_pages(GFP_KERNEL, order);
+			pg_vec[i] = (char *)__get_free_pages(GFP_KERNEL, order);
 			if (!pg_vec[i])
 				goto out_free_pgvec;
 
-			pend = virt_to_page(pg_vec[i] + (PAGE_SIZE << order) - 1);
+			pend = pg_vec_endpage(pg_vec[i], order);
 			for (page = virt_to_page(pg_vec[i]); page <= pend; page++)
 				SetPageReserved(page);
 		}
@@ -1623,7 +1629,7 @@ static int packet_set_ring(struct sock *sk, struct tpacket_req *req, int closing
 
 		l = 0;
 		for (i=0; i<req->tp_block_nr; i++) {
-			unsigned long ptr = pg_vec[i];
+			char *ptr = pg_vec[i];
 			struct tpacket_hdr *header;
 			int k;