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

include/linux/netfilter_arp/arp_tables.h

@@ -68,7 +68,8 @@ struct arpt_entry_target
 			u_int16_t target_size;
 
 			/* Used by userspace */
-			char name[ARPT_FUNCTION_MAXNAMELEN];
+			char name[ARPT_FUNCTION_MAXNAMELEN-1];
+			u_int8_t revision;
 		} user;
 		struct {
 			u_int16_t target_size;
@@ -148,7 +149,9 @@ struct arpt_entry
 
 #define ARPT_SO_GET_INFO		(ARPT_BASE_CTL)
 #define ARPT_SO_GET_ENTRIES		(ARPT_BASE_CTL + 1)
-#define ARPT_SO_GET_MAX			ARPT_SO_GET_ENTRIES
+/* #define ARPT_SO_GET_REVISION_MATCH	(ARPT_BASE_CTL + 2)*/
+#define ARPT_SO_GET_REVISION_TARGET	(ARPT_BASE_CTL + 3)
+#define ARPT_SO_GET_MAX			ARPT_SO_GET_REVISION_TARGET
 
 /* CONTINUE verdict for targets */
 #define ARPT_CONTINUE 0xFFFFFFFF
@@ -236,6 +239,15 @@ struct arpt_get_entries
 	struct arpt_entry entrytable[0];
 };
 
+/* The argument to ARPT_SO_GET_REVISION_*.  Returns highest revision
+ * kernel supports, if >= revision. */
+struct arpt_get_revision
+{
+	char name[ARPT_FUNCTION_MAXNAMELEN-1];
+
+	u_int8_t revision;
+};
+
 /* Standard return verdict, or do jump. */
 #define ARPT_STANDARD_TARGET ""
 /* Error verdict. */
@@ -274,7 +286,9 @@ struct arpt_target
 {
 	struct list_head list;
 
-	const char name[ARPT_FUNCTION_MAXNAMELEN];
+	const char name[ARPT_FUNCTION_MAXNAMELEN-1];
+
+	u_int8_t revision;
 
 	/* Returns verdict. */
 	unsigned int (*target)(struct sk_buff **pskb,

include/linux/netfilter_ipv6/ip6_tables.h

@@ -57,7 +57,8 @@ struct ip6t_entry_match
 			u_int16_t match_size;
 
 			/* Used by userspace */
-			char name[IP6T_FUNCTION_MAXNAMELEN];
+			char name[IP6T_FUNCTION_MAXNAMELEN-1];
+			u_int8_t revision;
 		} user;
 		struct {
 			u_int16_t match_size;
@@ -80,7 +81,8 @@ struct ip6t_entry_target
 			u_int16_t target_size;
 
 			/* Used by userspace */
-			char name[IP6T_FUNCTION_MAXNAMELEN];
+			char name[IP6T_FUNCTION_MAXNAMELEN-1];
+			u_int8_t revision;
 		} user;
 		struct {
 			u_int16_t target_size;
@@ -161,7 +163,9 @@ struct ip6t_entry
 
 #define IP6T_SO_GET_INFO		(IP6T_BASE_CTL)
 #define IP6T_SO_GET_ENTRIES		(IP6T_BASE_CTL + 1)
-#define IP6T_SO_GET_MAX			IP6T_SO_GET_ENTRIES
+#define	IP6T_SO_GET_REVISION_MATCH	(IP6T_BASE_CTL + 2)
+#define	IP6T_SO_GET_REVISION_TARGET	(IP6T_BASE_CTL + 3)
+#define IP6T_SO_GET_MAX			IP6T_SO_GET_REVISION_TARGET
 
 /* CONTINUE verdict for targets */
 #define IP6T_CONTINUE 0xFFFFFFFF
@@ -291,6 +295,15 @@ struct ip6t_get_entries
 	struct ip6t_entry entrytable[0];
 };
 
+/* The argument to IP6T_SO_GET_REVISION_*.  Returns highest revision
+ * kernel supports, if >= revision. */
+struct ip6t_get_revision
+{
+	char name[IP6T_FUNCTION_MAXNAMELEN-1];
+
+	u_int8_t revision;
+};
+
 /* Standard return verdict, or do jump. */
 #define IP6T_STANDARD_TARGET ""
 /* Error verdict. */
@@ -352,7 +365,9 @@ struct ip6t_match
 {
 	struct list_head list;
 
-	const char name[IP6T_FUNCTION_MAXNAMELEN];
+	const char name[IP6T_FUNCTION_MAXNAMELEN-1];
+
+	u_int8_t revision;
 
 	/* Return true or false: return FALSE and set *hotdrop = 1 to
            force immediate packet drop. */
@@ -387,7 +402,9 @@ struct ip6t_target
 {
 	struct list_head list;
 
-	const char name[IP6T_FUNCTION_MAXNAMELEN];
+	const char name[IP6T_FUNCTION_MAXNAMELEN-1];
+
+	u_int8_t revision;
 
 	/* Returns verdict. Argument order changed since 2.6.9, as this
 	   must now handle non-linear skbs, using skb_copy_bits and

net/bridge/br_fdb.c

@@ -86,8 +86,8 @@ void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr)
 				struct net_bridge_port *op;
 				list_for_each_entry(op, &br->port_list, list) {
 					if (op != p && 
-					    !memcmp(op->dev->dev_addr,
-						    f->addr.addr, ETH_ALEN)) {
+					    !compare_ether_addr(op->dev->dev_addr,
+								f->addr.addr)) {
 						f->dst = op;
 						goto insert;
 					}
@@ -151,8 +151,8 @@ void br_fdb_delete_by_port(struct net_bridge *br, struct net_bridge_port *p)
 				struct net_bridge_port *op;
 				list_for_each_entry(op, &br->port_list, list) {
 					if (op != p && 
-					    !memcmp(op->dev->dev_addr,
-						    f->addr.addr, ETH_ALEN)) {
+					    !compare_ether_addr(op->dev->dev_addr,
+								f->addr.addr)) {
 						f->dst = op;
 						goto skip_delete;
 					}
@@ -174,7 +174,7 @@ struct net_bridge_fdb_entry *__br_fdb_get(struct net_bridge *br,
 	struct net_bridge_fdb_entry *fdb;
 
 	hlist_for_each_entry_rcu(fdb, h, &br->hash[br_mac_hash(addr)], hlist) {
-		if (!memcmp(fdb->addr.addr, addr, ETH_ALEN)) {
+		if (!compare_ether_addr(fdb->addr.addr, addr)) {
 			if (unlikely(has_expired(br, fdb)))
 				break;
 			return fdb;
@@ -264,7 +264,7 @@ static inline struct net_bridge_fdb_entry *fdb_find(struct hlist_head *head,
 	struct net_bridge_fdb_entry *fdb;
 
 	hlist_for_each_entry_rcu(fdb, h, head, hlist) {
-		if (!memcmp(fdb->addr.addr, addr, ETH_ALEN))
+		if (!compare_ether_addr(fdb->addr.addr, addr))
 			return fdb;
 	}
 	return NULL;

net/bridge/br_input.c

@@ -128,7 +128,7 @@ int br_handle_frame(struct net_bridge_port *p, struct sk_buff **pskb)
 			dest = eth_hdr(skb)->h_dest;
 		}
 
-		if (!memcmp(p->br->dev->dev_addr, dest, ETH_ALEN))
+		if (!compare_ether_addr(p->br->dev->dev_addr, dest))
 			skb->pkt_type = PACKET_HOST;
 
 		NF_HOOK(PF_BRIDGE, NF_BR_PRE_ROUTING, skb, skb->dev, NULL,

net/bridge/br_stp_if.c

@@ -15,6 +15,7 @@
 
 #include <linux/kernel.h>
 #include <linux/smp_lock.h>
+#include <linux/etherdevice.h>
 
 #include "br_private.h"
 #include "br_private_stp.h"
@@ -133,10 +134,10 @@ static void br_stp_change_bridge_id(struct net_bridge *br,
 	memcpy(br->dev->dev_addr, addr, ETH_ALEN);
 
 	list_for_each_entry(p, &br->port_list, list) {
-		if (!memcmp(p->designated_bridge.addr, oldaddr, ETH_ALEN))
+		if (!compare_ether_addr(p->designated_bridge.addr, oldaddr))
 			memcpy(p->designated_bridge.addr, addr, ETH_ALEN);
 
-		if (!memcmp(p->designated_root.addr, oldaddr, ETH_ALEN))
+		if (!compare_ether_addr(p->designated_root.addr, oldaddr))
 			memcpy(p->designated_root.addr, addr, ETH_ALEN);
 
 	}
@@ -157,12 +158,12 @@ void br_stp_recalculate_bridge_id(struct net_bridge *br)
 
 	list_for_each_entry(p, &br->port_list, list) {
 		if (addr == br_mac_zero ||
-		    memcmp(p->dev->dev_addr, addr, ETH_ALEN) < 0)
+		    compare_ether_addr(p->dev->dev_addr, addr) < 0)
 			addr = p->dev->dev_addr;
 
 	}
 
-	if (memcmp(br->bridge_id.addr, addr, ETH_ALEN))
+	if (compare_ether_addr(br->bridge_id.addr, addr))
 		br_stp_change_bridge_id(br, addr);
 }
 

net/dccp/dccp.h

@@ -118,7 +118,6 @@ DECLARE_SNMP_STAT(struct dccp_mib, dccp_statistics);
 #define DCCP_ADD_STATS_USER(field, val)	\
 			SNMP_ADD_STATS_USER(dccp_statistics, field, val)
 
-extern int  dccp_transmit_skb(struct sock *sk, struct sk_buff *skb);
 extern int  dccp_retransmit_skb(struct sock *sk, struct sk_buff *skb);
 
 extern int dccp_send_response(struct sock *sk);

net/dccp/output.c

@@ -12,6 +12,7 @@
 
 #include <linux/config.h>
 #include <linux/dccp.h>
+#include <linux/kernel.h>
 #include <linux/skbuff.h>
 
 #include <net/sock.h>
@@ -25,13 +26,20 @@ static inline void dccp_event_ack_sent(struct sock *sk)
 	inet_csk_clear_xmit_timer(sk, ICSK_TIME_DACK);
 }
 
+static inline void dccp_skb_entail(struct sock *sk, struct sk_buff *skb)
+{
+	skb_set_owner_w(skb, sk);
+	WARN_ON(sk->sk_send_head);
+	sk->sk_send_head = skb;
+}
+
 /*
  * All SKB's seen here are completely headerless. It is our
  * job to build the DCCP header, and pass the packet down to
  * IP so it can do the same plus pass the packet off to the
  * device.
  */
-int dccp_transmit_skb(struct sock *sk, struct sk_buff *skb)
+static int dccp_transmit_skb(struct sock *sk, struct sk_buff *skb)
 {
 	if (likely(skb != NULL)) {
 		const struct inet_sock *inet = inet_sk(sk);
@@ -50,10 +58,21 @@ int dccp_transmit_skb(struct sock *sk, struct sk_buff *skb)
 		switch (dcb->dccpd_type) {
 		case DCCP_PKT_DATA:
 			set_ack = 0;
+			/* fall through */
+		case DCCP_PKT_DATAACK:
 			break;
+
 		case DCCP_PKT_SYNC:
 		case DCCP_PKT_SYNCACK:
 			ackno = dcb->dccpd_seq;
+			/* fall through */
+		default:
+			/*
+			 * Only data packets should come through with skb->sk
+			 * set.
+			 */
+			WARN_ON(skb->sk);
+			skb_set_owner_w(skb, sk);
 			break;
 		}
 
@@ -63,9 +82,6 @@ int dccp_transmit_skb(struct sock *sk, struct sk_buff *skb)
 		skb->h.raw = skb_push(skb, dccp_header_size);
 		dh = dccp_hdr(skb);
 
-		if (!skb->sk)
-			skb_set_owner_w(skb, sk);
-
 		/* Build DCCP header and checksum it. */
 		memset(dh, 0, dccp_header_size);
 		dh->dccph_type	= dcb->dccpd_type;
@@ -393,10 +409,8 @@ int dccp_connect(struct sock *sk)
 
 	DCCP_SKB_CB(skb)->dccpd_type = DCCP_PKT_REQUEST;
 	skb->csum = 0;
-	skb_set_owner_w(skb, sk);
 
-	BUG_TRAP(sk->sk_send_head == NULL);
-	sk->sk_send_head = skb;
+	dccp_skb_entail(sk, skb);
 	dccp_transmit_skb(sk, skb_clone(skb, GFP_KERNEL));
 	DCCP_INC_STATS(DCCP_MIB_ACTIVEOPENS);
 
@@ -425,7 +439,6 @@ void dccp_send_ack(struct sock *sk)
 		skb_reserve(skb, MAX_DCCP_HEADER);
 		skb->csum = 0;
 		DCCP_SKB_CB(skb)->dccpd_type = DCCP_PKT_ACK;
-		skb_set_owner_w(skb, sk);
 		dccp_transmit_skb(sk, skb);
 	}
 }
@@ -482,7 +495,6 @@ void dccp_send_sync(struct sock *sk, const u64 seq,
 	DCCP_SKB_CB(skb)->dccpd_type = pkt_type;
 	DCCP_SKB_CB(skb)->dccpd_seq = seq;
 
-	skb_set_owner_w(skb, sk);
 	dccp_transmit_skb(sk, skb);
 }
 
@@ -507,10 +519,8 @@ void dccp_send_close(struct sock *sk, const int active)
 	DCCP_SKB_CB(skb)->dccpd_type = dp->dccps_role == DCCP_ROLE_CLIENT ?
 					DCCP_PKT_CLOSE : DCCP_PKT_CLOSEREQ;
 
-	skb_set_owner_w(skb, sk);
 	if (active) {
-		BUG_TRAP(sk->sk_send_head == NULL);
-		sk->sk_send_head = skb;
+		dccp_skb_entail(sk, skb);
 		dccp_transmit_skb(sk, skb_clone(skb, prio));
 	} else
 		dccp_transmit_skb(sk, skb);