X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fipv4%2Figmp.c;h=a646409c2d068040ac0054b9f2cf3a29472a495d;hb=a9417357cff6027f9d6b1740f821baa59f2381f4;hp=f511d03e24392c3cebca3893161460126acb2009;hpb=eddc9ec53be2ecdbf4efe0efd4a83052594f0ac0;p=linux-2.6

diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index f511d03e24..a646409c2d 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -128,14 +128,16 @@
  * contradict to specs provided this delay is small enough.
  */
 
-#define IGMP_V1_SEEN(in_dev) (ipv4_devconf.force_igmp_version == 1 || \
-		(in_dev)->cnf.force_igmp_version == 1 || \
-		((in_dev)->mr_v1_seen && \
-		time_before(jiffies, (in_dev)->mr_v1_seen)))
-#define IGMP_V2_SEEN(in_dev) (ipv4_devconf.force_igmp_version == 2 || \
-		(in_dev)->cnf.force_igmp_version == 2 || \
-		((in_dev)->mr_v2_seen && \
-		time_before(jiffies, (in_dev)->mr_v2_seen)))
+#define IGMP_V1_SEEN(in_dev) \
+	(IPV4_DEVCONF_ALL(FORCE_IGMP_VERSION) == 1 || \
+	 IN_DEV_CONF_GET((in_dev), FORCE_IGMP_VERSION) == 1 || \
+	 ((in_dev)->mr_v1_seen && \
+	  time_before(jiffies, (in_dev)->mr_v1_seen)))
+#define IGMP_V2_SEEN(in_dev) \
+	(IPV4_DEVCONF_ALL(FORCE_IGMP_VERSION) == 2 || \
+	 IN_DEV_CONF_GET((in_dev), FORCE_IGMP_VERSION) == 2 || \
+	 ((in_dev)->mr_v2_seen && \
+	  time_before(jiffies, (in_dev)->mr_v2_seen)))
 
 static void igmpv3_add_delrec(struct in_device *in_dev, struct ip_mc_list *im);
 static void igmpv3_del_delrec(struct in_device *in_dev, __be32 multiaddr);
@@ -333,8 +335,9 @@ static struct sk_buff *igmpv3_newpack(struct net_device *dev, int size)
 	((u8*)&pip[1])[2] = 0;
 	((u8*)&pip[1])[3] = 0;
 
-	pig =(struct igmpv3_report *)skb_put(skb, sizeof(*pig));
-	skb->h.igmph = (struct igmphdr *)pig;
+	skb->transport_header = skb->network_header + sizeof(struct iphdr) + 4;
+	skb_put(skb, sizeof(*pig));
+	pig = igmpv3_report_hdr(skb);
 	pig->type = IGMPV3_HOST_MEMBERSHIP_REPORT;
 	pig->resv1 = 0;
 	pig->csum = 0;
@@ -346,13 +349,13 @@ static struct sk_buff *igmpv3_newpack(struct net_device *dev, int size)
 static int igmpv3_sendpack(struct sk_buff *skb)
 {
 	struct iphdr *pip = ip_hdr(skb);
-	struct igmphdr *pig = skb->h.igmph;
-	const int iplen = skb->tail - skb->nh.raw;
-	const int igmplen = skb->tail - skb->h.raw;
+	struct igmphdr *pig = igmp_hdr(skb);
+	const int iplen = skb->tail - skb->network_header;
+	const int igmplen = skb->tail - skb->transport_header;
 
 	pip->tot_len = htons(iplen);
 	ip_send_check(pip);
-	pig->csum = ip_compute_csum(skb->h.igmph, igmplen);
+	pig->csum = ip_compute_csum(igmp_hdr(skb), igmplen);
 
 	return NF_HOOK(PF_INET, NF_IP_LOCAL_OUT, skb, NULL, skb->dev,
 		       dst_output);
@@ -379,7 +382,7 @@ static struct sk_buff *add_grhead(struct sk_buff *skb, struct ip_mc_list *pmc,
 	pgr->grec_auxwords = 0;
 	pgr->grec_nsrcs = 0;
 	pgr->grec_mca = pmc->multiaddr;
-	pih = (struct igmpv3_report *)skb->h.igmph;
+	pih = igmpv3_report_hdr(skb);
 	pih->ngrec = htons(ntohs(pih->ngrec)+1);
 	*ppgr = pgr;
 	return skb;
@@ -412,7 +415,7 @@ static struct sk_buff *add_grec(struct sk_buff *skb, struct ip_mc_list *pmc,
 	if (!*psf_list)
 		goto empty_source;
 
-	pih = skb ? (struct igmpv3_report *)skb->h.igmph : NULL;
+	pih = skb ? igmpv3_report_hdr(skb) : NULL;
 
 	/* EX and TO_EX get a fresh packet, if needed */
 	if (truncate) {
@@ -829,8 +832,8 @@ static void igmp_heard_report(struct in_device *in_dev, __be32 group)
 static void igmp_heard_query(struct in_device *in_dev, struct sk_buff *skb,
 	int len)
 {
-	struct igmphdr 		*ih = skb->h.igmph;
-	struct igmpv3_query *ih3 = (struct igmpv3_query *)ih;
+	struct igmphdr 		*ih = igmp_hdr(skb);
+	struct igmpv3_query *ih3 = igmpv3_query_hdr(skb);
 	struct ip_mc_list	*im;
 	__be32			group = ih->group;
 	int			max_delay;
@@ -863,12 +866,12 @@ static void igmp_heard_query(struct in_device *in_dev, struct sk_buff *skb,
 		if (!pskb_may_pull(skb, sizeof(struct igmpv3_query)))
 			return;
 
-		ih3 = (struct igmpv3_query *) skb->h.raw;
+		ih3 = igmpv3_query_hdr(skb);
 		if (ih3->nsrcs) {
 			if (!pskb_may_pull(skb, sizeof(struct igmpv3_query)
 					   + ntohs(ih3->nsrcs)*sizeof(__be32)))
 				return;
-			ih3 = (struct igmpv3_query *) skb->h.raw;
+			ih3 = igmpv3_query_hdr(skb);
 		}
 
 		max_delay = IGMPV3_MRC(ih3->code)*(HZ/IGMP_TIMER_SCALE);
@@ -945,7 +948,7 @@ int igmp_rcv(struct sk_buff *skb)
 			goto drop;
 	}
 
-	ih = skb->h.igmph;
+	ih = igmp_hdr(skb);
 	switch (ih->type) {
 	case IGMP_HOST_MEMBERSHIP_QUERY:
 		igmp_heard_query(in_dev, skb, len);
@@ -2287,9 +2290,8 @@ static inline struct ip_mc_list *igmp_mc_get_first(struct seq_file *seq)
 	struct ip_mc_list *im = NULL;
 	struct igmp_mc_iter_state *state = igmp_mc_seq_private(seq);
 
-	for (state->dev = dev_base, state->in_dev = NULL;
-	     state->dev;
-	     state->dev = state->dev->next) {
+	state->in_dev = NULL;
+	for_each_netdev(state->dev) {
 		struct in_device *in_dev;
 		in_dev = in_dev_get(state->dev);
 		if (!in_dev)
@@ -2315,7 +2317,7 @@ static struct ip_mc_list *igmp_mc_get_next(struct seq_file *seq, struct ip_mc_li
 			read_unlock(&state->in_dev->mc_list_lock);
 			in_dev_put(state->in_dev);
 		}
-		state->dev = state->dev->next;
+		state->dev = next_net_device(state->dev);
 		if (!state->dev) {
 			state->in_dev = NULL;
 			break;
@@ -2449,9 +2451,9 @@ static inline struct ip_sf_list *igmp_mcf_get_first(struct seq_file *seq)
 	struct ip_mc_list *im = NULL;
 	struct igmp_mcf_iter_state *state = igmp_mcf_seq_private(seq);
 
-	for (state->dev = dev_base, state->idev = NULL, state->im = NULL;
-	     state->dev;
-	     state->dev = state->dev->next) {
+	state->idev = NULL;
+	state->im = NULL;
+	for_each_netdev(state->dev) {
 		struct in_device *idev;
 		idev = in_dev_get(state->dev);
 		if (unlikely(idev == NULL))
@@ -2487,7 +2489,7 @@ static struct ip_sf_list *igmp_mcf_get_next(struct seq_file *seq, struct ip_sf_l
 				read_unlock(&state->idev->mc_list_lock);
 				in_dev_put(state->idev);
 			}
-			state->dev = state->dev->next;
+			state->dev = next_net_device(state->dev);
 			if (!state->dev) {
 				state->idev = NULL;
 				goto out;