[NET]: Turn nfmark into generic mark

nfmark is being used in various subsystems and has become
the defacto mark field for all kinds of packets. Therefore
it makes sense to rename it to `mark' and remove the
dependency on CONFIG_NETFILTER.

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
index 856ed0d..bd3ffa6 100644
--- a/net/netfilter/nfnetlink_log.c
+++ b/net/netfilter/nfnetlink_log.c
@@ -501,8 +501,8 @@
 #endif
 	}
 
-	if (skb->nfmark) {
-		tmp_uint = htonl(skb->nfmark);
+	if (skb->mark) {
+		tmp_uint = htonl(skb->mark);
 		NFA_PUT(inst->skb, NFULA_MARK, sizeof(tmp_uint), &tmp_uint);
 	}
 
diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c
index 4ab7b14..82e4454 100644
--- a/net/netfilter/nfnetlink_queue.c
+++ b/net/netfilter/nfnetlink_queue.c
@@ -480,8 +480,8 @@
 #endif
 	}
 
-	if (entskb->nfmark) {
-		tmp_uint = htonl(entskb->nfmark);
+	if (entskb->mark) {
+		tmp_uint = htonl(entskb->mark);
 		NFA_PUT(skb, NFQA_MARK, sizeof(u_int32_t), &tmp_uint);
 	}
 
@@ -834,8 +834,8 @@
 	}
 
 	if (nfqa[NFQA_MARK-1])
-		entry->skb->nfmark = ntohl(*(__be32 *)
-		                           NFA_DATA(nfqa[NFQA_MARK-1]));
+		entry->skb->mark = ntohl(*(__be32 *)
+		                         NFA_DATA(nfqa[NFQA_MARK-1]));
 		
 	issue_verdict(entry, verdict);
 	instance_put(queue);
diff --git a/net/netfilter/xt_CONNMARK.c b/net/netfilter/xt_CONNMARK.c
index c01524f..67ed531 100644
--- a/net/netfilter/xt_CONNMARK.c
+++ b/net/netfilter/xt_CONNMARK.c
@@ -42,7 +42,7 @@
 {
 	const struct xt_connmark_target_info *markinfo = targinfo;
 	u_int32_t diff;
-	u_int32_t nfmark;
+	u_int32_t mark;
 	u_int32_t newmark;
 	u_int32_t ctinfo;
 	u_int32_t *ctmark = nf_ct_get_mark(*pskb, &ctinfo);
@@ -62,7 +62,7 @@
 			break;
 		case XT_CONNMARK_SAVE:
 			newmark = (*ctmark & ~markinfo->mask) |
-				  ((*pskb)->nfmark & markinfo->mask);
+				  ((*pskb)->mark & markinfo->mask);
 			if (*ctmark != newmark) {
 				*ctmark = newmark;
 #if defined(CONFIG_IP_NF_CONNTRACK) || defined(CONFIG_IP_NF_CONNTRACK_MODULE)
@@ -73,10 +73,10 @@
 			}
 			break;
 		case XT_CONNMARK_RESTORE:
-			nfmark = (*pskb)->nfmark;
-			diff = (*ctmark ^ nfmark) & markinfo->mask;
+			mark = (*pskb)->mark;
+			diff = (*ctmark ^ mark) & markinfo->mask;
 			if (diff != 0)
-				(*pskb)->nfmark = nfmark ^ diff;
+				(*pskb)->mark = mark ^ diff;
 			break;
 		}
 	}
diff --git a/net/netfilter/xt_MARK.c b/net/netfilter/xt_MARK.c
index c6e860a..0b48547 100644
--- a/net/netfilter/xt_MARK.c
+++ b/net/netfilter/xt_MARK.c
@@ -31,8 +31,8 @@
 {
 	const struct xt_mark_target_info *markinfo = targinfo;
 
-	if((*pskb)->nfmark != markinfo->mark)
-		(*pskb)->nfmark = markinfo->mark;
+	if((*pskb)->mark != markinfo->mark)
+		(*pskb)->mark = markinfo->mark;
 
 	return XT_CONTINUE;
 }
@@ -54,16 +54,16 @@
 		break;
 		
 	case XT_MARK_AND:
-		mark = (*pskb)->nfmark & markinfo->mark;
+		mark = (*pskb)->mark & markinfo->mark;
 		break;
 		
 	case XT_MARK_OR:
-		mark = (*pskb)->nfmark | markinfo->mark;
+		mark = (*pskb)->mark | markinfo->mark;
 		break;
 	}
 
-	if((*pskb)->nfmark != mark)
-		(*pskb)->nfmark = mark;
+	if((*pskb)->mark != mark)
+		(*pskb)->mark = mark;
 
 	return XT_CONTINUE;
 }
diff --git a/net/netfilter/xt_mark.c b/net/netfilter/xt_mark.c
index 934dddf..dfa1ee6 100644
--- a/net/netfilter/xt_mark.c
+++ b/net/netfilter/xt_mark.c
@@ -31,7 +31,7 @@
 {
 	const struct xt_mark_info *info = matchinfo;
 
-	return ((skb->nfmark & info->mask) == info->mark) ^ info->invert;
+	return ((skb->mark & info->mask) == info->mark) ^ info->invert;
 }
 
 static int