[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>
diff --git a/include/linux/dccp.h b/include/linux/dccp.h
index 1f4df61..fdd4217 100644
--- a/include/linux/dccp.h
+++ b/include/linux/dccp.h
@@ -260,19 +260,20 @@
static inline struct dccp_hdr *dccp_hdr(const struct sk_buff *skb)
{
- return (struct dccp_hdr *)skb->h.raw;
+ return (struct dccp_hdr *)skb_transport_header(skb);
}
static inline struct dccp_hdr *dccp_zeroed_hdr(struct sk_buff *skb, int headlen)
{
skb_push(skb, headlen);
skb_reset_transport_header(skb);
- return memset(skb->h.raw, 0, headlen);
+ return memset(skb_transport_header(skb), 0, headlen);
}
static inline struct dccp_hdr_ext *dccp_hdrx(const struct sk_buff *skb)
{
- return (struct dccp_hdr_ext *)(skb->h.raw + sizeof(struct dccp_hdr));
+ return (struct dccp_hdr_ext *)(skb_transport_header(skb) +
+ sizeof(struct dccp_hdr));
}
static inline unsigned int __dccp_basic_hdr_len(const struct dccp_hdr *dh)
@@ -301,12 +302,14 @@
static inline struct dccp_hdr_request *dccp_hdr_request(struct sk_buff *skb)
{
- return (struct dccp_hdr_request *)(skb->h.raw + dccp_basic_hdr_len(skb));
+ return (struct dccp_hdr_request *)(skb_transport_header(skb) +
+ dccp_basic_hdr_len(skb));
}
static inline struct dccp_hdr_ack_bits *dccp_hdr_ack_bits(const struct sk_buff *skb)
{
- return (struct dccp_hdr_ack_bits *)(skb->h.raw + dccp_basic_hdr_len(skb));
+ return (struct dccp_hdr_ack_bits *)(skb_transport_header(skb) +
+ dccp_basic_hdr_len(skb));
}
static inline u64 dccp_hdr_ack_seq(const struct sk_buff *skb)
@@ -317,12 +320,14 @@
static inline struct dccp_hdr_response *dccp_hdr_response(struct sk_buff *skb)
{
- return (struct dccp_hdr_response *)(skb->h.raw + dccp_basic_hdr_len(skb));
+ return (struct dccp_hdr_response *)(skb_transport_header(skb) +
+ dccp_basic_hdr_len(skb));
}
static inline struct dccp_hdr_reset *dccp_hdr_reset(struct sk_buff *skb)
{
- return (struct dccp_hdr_reset *)(skb->h.raw + dccp_basic_hdr_len(skb));
+ return (struct dccp_hdr_reset *)(skb_transport_header(skb) +
+ dccp_basic_hdr_len(skb));
}
static inline unsigned int __dccp_hdr_len(const struct dccp_hdr *dh)