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authorArnaldo Carvalho de Melo <acme@redhat.com>2007-04-25 18:04:18 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-04-25 22:25:31 -0700
commit9c70220b73908f64792422a2c39c593c4792f2c5 (patch)
tree2090ea10aaa2714a5e095bae8cc02e743c378a3a /net/ipv6/mcast.c
parenta27ef749e7be3b06fb58df53d94eb97a21f18707 (diff)
downloadop-kernel-dev-9c70220b73908f64792422a2c39c593c4792f2c5.zip
op-kernel-dev-9c70220b73908f64792422a2c39c593c4792f2c5.tar.gz
[SK_BUFF]: Introduce skb_transport_header(skb)
For the places where we need a pointer to the transport header, it is still legal to touch skb->h.raw directly if just adding to, subtracting from or setting it to another layer header. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/mcast.c')
-rw-r--r--net/ipv6/mcast.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 1f2a3be..c6436f5e 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -1212,7 +1212,7 @@ int igmp6_event_query(struct sk_buff *skb)
in6_dev_put(idev);
return -EINVAL;
}
- mlh2 = (struct mld2_query *) skb->h.raw;
+ mlh2 = (struct mld2_query *)skb_transport_header(skb);
max_delay = (MLDV2_MRC(ntohs(mlh2->mrc))*HZ)/1000;
if (!max_delay)
max_delay = 1;
@@ -1235,7 +1235,7 @@ int igmp6_event_query(struct sk_buff *skb)
in6_dev_put(idev);
return -EINVAL;
}
- mlh2 = (struct mld2_query *) skb->h.raw;
+ mlh2 = (struct mld2_query *)skb_transport_header(skb);
mark = 1;
}
} else {
@@ -1460,18 +1460,20 @@ static inline int mld_dev_queue_xmit(struct sk_buff *skb)
static void mld_sendpack(struct sk_buff *skb)
{
struct ipv6hdr *pip6 = ipv6_hdr(skb);
- struct mld2_report *pmr = (struct mld2_report *)skb->h.raw;
+ struct mld2_report *pmr =
+ (struct mld2_report *)skb_transport_header(skb);
int payload_len, mldlen;
struct inet6_dev *idev = in6_dev_get(skb->dev);
int err;
IP6_INC_STATS(idev, IPSTATS_MIB_OUTREQUESTS);
payload_len = skb->tail - skb_network_header(skb) - sizeof(*pip6);
- mldlen = skb->tail - skb->h.raw;
+ mldlen = skb->tail - skb_transport_header(skb);
pip6->payload_len = htons(payload_len);
pmr->csum = csum_ipv6_magic(&pip6->saddr, &pip6->daddr, mldlen,
- IPPROTO_ICMPV6, csum_partial(skb->h.raw, mldlen, 0));
+ IPPROTO_ICMPV6, csum_partial(skb_transport_header(skb),
+ mldlen, 0));
err = NF_HOOK(PF_INET6, NF_IP6_LOCAL_OUT, skb, NULL, skb->dev,
mld_dev_queue_xmit);
if (!err) {
@@ -1505,7 +1507,7 @@ static struct sk_buff *add_grhead(struct sk_buff *skb, struct ifmcaddr6 *pmc,
pgr->grec_auxwords = 0;
pgr->grec_nsrcs = 0;
pgr->grec_mca = pmc->mca_addr; /* structure copy */
- pmr = (struct mld2_report *)skb->h.raw;
+ pmr = (struct mld2_report *)skb_transport_header(skb);
pmr->ngrec = htons(ntohs(pmr->ngrec)+1);
*ppgr = pgr;
return skb;
@@ -1538,7 +1540,7 @@ static struct sk_buff *add_grec(struct sk_buff *skb, struct ifmcaddr6 *pmc,
if (!*psf_list)
goto empty_source;
- pmr = skb ? (struct mld2_report *)skb->h.raw : NULL;
+ pmr = skb ? (struct mld2_report *)skb_transport_header(skb) : NULL;
/* EX and TO_EX get a fresh packet, if needed */
if (truncate) {
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