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authorArnaldo Carvalho de Melo <acme@redhat.com>2007-03-13 14:19:23 -0300
committerDavid S. Miller <davem@sunset.davemloft.net>2007-04-25 22:25:21 -0700
commitd9edf9e2be0f7661558984c32bd53867a7037fd3 (patch)
tree603271a9d0756e229ad9ff13c628a33306c96bdf /net/ipv4/igmp.c
parentcc70ab261c9f997589546100ddec5da6bfd89c4e (diff)
downloadlinux-d9edf9e2be0f7661558984c32bd53867a7037fd3.tar.bz2
[SK_BUFF]: Introduce igmp_hdr() & friends, remove skb->h.igmph
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/igmp.c')
-rw-r--r--net/ipv4/igmp.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index f511d03e2439..292516bb1eca 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -333,8 +333,8 @@ 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->h.raw = skb_put(skb, sizeof(*pig));
+ pig = igmpv3_report_hdr(skb);
pig->type = IGMPV3_HOST_MEMBERSHIP_REPORT;
pig->resv1 = 0;
pig->csum = 0;
@@ -346,13 +346,13 @@ 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;
+ struct igmphdr *pig = igmp_hdr(skb);
const int iplen = skb->tail - skb->nh.raw;
const int igmplen = skb->tail - skb->h.raw;
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 +379,7 @@ 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 +412,7 @@ 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 +829,8 @@ 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 +863,12 @@ 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 +945,7 @@ 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);