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-rw-r--r--include/linux/skbuff.h26
1 files changed, 24 insertions, 2 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index d8f7d74d5a4d..7c5036d11feb 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -596,7 +596,8 @@ struct sk_buff {
__u8 ndisc_nodetype:2;
#endif
__u8 ipvs_property:1;
- /* 5 or 7 bit hole */
+ __u8 inner_protocol_type:1;
+ /* 4 or 6 bit hole */
#ifdef CONFIG_NET_SCHED
__u16 tc_index; /* traffic control index */
@@ -632,7 +633,11 @@ struct sk_buff {
__u32 reserved_tailroom;
};
- __be16 inner_protocol;
+ union {
+ __be16 inner_protocol;
+ __u8 inner_ipproto;
+ };
+
__u16 inner_transport_header;
__u16 inner_network_header;
__u16 inner_mac_header;
@@ -1762,6 +1767,23 @@ static inline void skb_reserve(struct sk_buff *skb, int len)
skb->tail += len;
}
+#define ENCAP_TYPE_ETHER 0
+#define ENCAP_TYPE_IPPROTO 1
+
+static inline void skb_set_inner_protocol(struct sk_buff *skb,
+ __be16 protocol)
+{
+ skb->inner_protocol = protocol;
+ skb->inner_protocol_type = ENCAP_TYPE_ETHER;
+}
+
+static inline void skb_set_inner_ipproto(struct sk_buff *skb,
+ __u8 ipproto)
+{
+ skb->inner_ipproto = ipproto;
+ skb->inner_protocol_type = ENCAP_TYPE_IPPROTO;
+}
+
static inline void skb_reset_inner_headers(struct sk_buff *skb)
{
skb->inner_mac_header = skb->mac_header;