X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fipv4%2Fip_output.c;h=465544f6281afbab2990bc561f946f60ae4615aa;hb=f8b71a3a92d69cb1c9c2162f9235d3dd550e4aa0;hp=08349267ceb4c091285c1b44dfdc719a1936447e;hpb=3bb5da3837cc1aa17736b05139c9a22c3794851a;p=linux-2.6

diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 08349267ce..465544f628 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -5,8 +5,6 @@
  *
  *		The Internet Protocol (IP) output module.
  *
- * Version:	$Id: ip_output.c,v 1.100 2002/02/01 22:01:03 davem Exp $
- *
  * Authors:	Ross Biro
  *		Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
  *		Donald Becker, <becker@super.org>
@@ -184,9 +182,9 @@ static inline int ip_finish_output2(struct sk_buff *skb)
 	unsigned int hh_len = LL_RESERVED_SPACE(dev);
 
 	if (rt->rt_type == RTN_MULTICAST)
-		IP_INC_STATS(IPSTATS_MIB_OUTMCASTPKTS);
+		IP_INC_STATS(dev_net(dev), IPSTATS_MIB_OUTMCASTPKTS);
 	else if (rt->rt_type == RTN_BROADCAST)
-		IP_INC_STATS(IPSTATS_MIB_OUTBCASTPKTS);
+		IP_INC_STATS(dev_net(dev), IPSTATS_MIB_OUTBCASTPKTS);
 
 	/* Be paranoid, rather than too clever. */
 	if (unlikely(skb_headroom(skb) < hh_len && dev->header_ops)) {
@@ -246,7 +244,7 @@ int ip_mc_output(struct sk_buff *skb)
 	/*
 	 *	If the indicated interface is up and running, send the packet.
 	 */
-	IP_INC_STATS(IPSTATS_MIB_OUTREQUESTS);
+	IP_INC_STATS(dev_net(dev), IPSTATS_MIB_OUTREQUESTS);
 
 	skb->dev = dev;
 	skb->protocol = htons(ETH_P_IP);
@@ -300,7 +298,7 @@ int ip_output(struct sk_buff *skb)
 {
 	struct net_device *dev = skb->dst->dev;
 
-	IP_INC_STATS(IPSTATS_MIB_OUTREQUESTS);
+	IP_INC_STATS(dev_net(dev), IPSTATS_MIB_OUTREQUESTS);
 
 	skb->dev = dev;
 	skb->protocol = htons(ETH_P_IP);
@@ -391,7 +389,7 @@ packet_routed:
 	return ip_local_out(skb);
 
 no_route:
-	IP_INC_STATS(IPSTATS_MIB_OUTNOROUTES);
+	IP_INC_STATS(sock_net(sk), IPSTATS_MIB_OUTNOROUTES);
 	kfree_skb(skb);
 	return -EHOSTUNREACH;
 }
@@ -453,7 +451,7 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff*))
 	iph = ip_hdr(skb);
 
 	if (unlikely((iph->frag_off & htons(IP_DF)) && !skb->local_df)) {
-		IP_INC_STATS(IPSTATS_MIB_FRAGFAILS);
+		IP_INC_STATS(dev_net(dev), IPSTATS_MIB_FRAGFAILS);
 		icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED,
 			  htonl(ip_skb_dst_mtu(skb)));
 		kfree_skb(skb);
@@ -544,7 +542,7 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff*))
 			err = output(skb);
 
 			if (!err)
-				IP_INC_STATS(IPSTATS_MIB_FRAGCREATES);
+				IP_INC_STATS(dev_net(dev), IPSTATS_MIB_FRAGCREATES);
 			if (err || !frag)
 				break;
 
@@ -554,7 +552,7 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff*))
 		}
 
 		if (err == 0) {
-			IP_INC_STATS(IPSTATS_MIB_FRAGOKS);
+			IP_INC_STATS(dev_net(dev), IPSTATS_MIB_FRAGOKS);
 			return 0;
 		}
 
@@ -563,7 +561,7 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff*))
 			kfree_skb(frag);
 			frag = skb;
 		}
-		IP_INC_STATS(IPSTATS_MIB_FRAGFAILS);
+		IP_INC_STATS(dev_net(dev), IPSTATS_MIB_FRAGFAILS);
 		return err;
 	}
 
@@ -675,15 +673,15 @@ slow_path:
 		if (err)
 			goto fail;
 
-		IP_INC_STATS(IPSTATS_MIB_FRAGCREATES);
+		IP_INC_STATS(dev_net(dev), IPSTATS_MIB_FRAGCREATES);
 	}
 	kfree_skb(skb);
-	IP_INC_STATS(IPSTATS_MIB_FRAGOKS);
+	IP_INC_STATS(dev_net(dev), IPSTATS_MIB_FRAGOKS);
 	return err;
 
 fail:
 	kfree_skb(skb);
-	IP_INC_STATS(IPSTATS_MIB_FRAGFAILS);
+	IP_INC_STATS(dev_net(dev), IPSTATS_MIB_FRAGFAILS);
 	return err;
 }
 
@@ -753,23 +751,15 @@ static inline int ip_ufo_append_data(struct sock *sk,
 		skb->ip_summed = CHECKSUM_PARTIAL;
 		skb->csum = 0;
 		sk->sk_sndmsg_off = 0;
-	}
 
-	err = skb_append_datato_frags(sk,skb, getfrag, from,
-			       (length - transhdrlen));
-	if (!err) {
-		/* specify the length of each IP datagram fragment*/
+		/* specify the length of each IP datagram fragment */
 		skb_shinfo(skb)->gso_size = mtu - fragheaderlen;
 		skb_shinfo(skb)->gso_type = SKB_GSO_UDP;
 		__skb_queue_tail(&sk->sk_write_queue, skb);
-
-		return 0;
 	}
-	/* There is not enough support do UFO ,
-	 * so follow normal path
-	 */
-	kfree_skb(skb);
-	return err;
+
+	return skb_append_datato_frags(sk, skb, getfrag, from,
+				       (length - transhdrlen));
 }
 
 /*
@@ -863,9 +853,9 @@ int ip_append_data(struct sock *sk,
 		csummode = CHECKSUM_PARTIAL;
 
 	inet->cork.length += length;
-	if (((length > mtu) && (sk->sk_protocol == IPPROTO_UDP)) &&
-			(rt->u.dst.dev->features & NETIF_F_UFO)) {
-
+	if (((length> mtu) || !skb_queue_empty(&sk->sk_write_queue)) &&
+	    (sk->sk_protocol == IPPROTO_UDP) &&
+	    (rt->u.dst.dev->features & NETIF_F_UFO)) {
 		err = ip_ufo_append_data(sk, getfrag, from, length, hh_len,
 					 fragheaderlen, transhdrlen, mtu,
 					 flags);
@@ -1057,7 +1047,7 @@ alloc_new_skb:
 
 error:
 	inet->cork.length -= length;
-	IP_INC_STATS(IPSTATS_MIB_OUTDISCARDS);
+	IP_INC_STATS(sock_net(sk), IPSTATS_MIB_OUTDISCARDS);
 	return err;
 }
 
@@ -1199,7 +1189,7 @@ ssize_t	ip_append_page(struct sock *sk, struct page *page,
 
 error:
 	inet->cork.length -= size;
-	IP_INC_STATS(IPSTATS_MIB_OUTDISCARDS);
+	IP_INC_STATS(sock_net(sk), IPSTATS_MIB_OUTDISCARDS);
 	return err;
 }
 
@@ -1221,6 +1211,7 @@ int ip_push_pending_frames(struct sock *sk)
 	struct sk_buff *skb, *tmp_skb;
 	struct sk_buff **tail_skb;
 	struct inet_sock *inet = inet_sk(sk);
+	struct net *net = sock_net(sk);
 	struct ip_options *opt = NULL;
 	struct rtable *rt = (struct rtable *)inet->cork.dst;
 	struct iphdr *iph;
@@ -1290,7 +1281,7 @@ int ip_push_pending_frames(struct sock *sk)
 	skb->dst = dst_clone(&rt->u.dst);
 
 	if (iph->protocol == IPPROTO_ICMP)
-		icmp_out_count(((struct icmphdr *)
+		icmp_out_count(net, ((struct icmphdr *)
 			skb_transport_header(skb))->type);
 
 	/* Netfilter gets whole the not fragmented skb. */
@@ -1307,7 +1298,7 @@ out:
 	return err;
 
 error:
-	IP_INC_STATS(IPSTATS_MIB_OUTDISCARDS);
+	IP_INC_STATS(net, IPSTATS_MIB_OUTDISCARDS);
 	goto out;
 }