/*
- * Copyright (c) 2009 Nicira Networks.
+ * Copyright (c) 2009, 2010 Nicira Networks.
* Distributed under the terms of the GNU GPL version 2.
*
* Significant portions of this file may be copied from parts of the Linux
#define ACTIONS_H 1
#include <linux/gfp.h>
+#include <linux/skbuff.h>
+#include <linux/version.h>
struct datapath;
struct sk_buff;
struct odp_flow_key;
union odp_action;
-struct sk_buff *make_writable(struct sk_buff *, gfp_t gfp);
-int dp_xmit_skb(struct sk_buff *);
int execute_actions(struct datapath *dp, struct sk_buff *skb,
- struct odp_flow_key *key,
+ const struct odp_flow_key *key,
const union odp_action *, int n_actions,
gfp_t gfp);
+static inline void set_skb_csum_bits(const struct sk_buff *old_skb,
+ struct sk_buff *new_skb)
+{
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
+ /* Before 2.6.24 these fields were not copied when
+ * doing an skb_copy_expand. */
+ new_skb->ip_summed = old_skb->ip_summed;
+ new_skb->csum = old_skb->csum;
+#endif
+#if defined(CONFIG_XEN) && defined(HAVE_PROTO_DATA_VALID)
+ /* These fields are copied in skb_clone but not in
+ * skb_copy or related functions. We need to manually
+ * copy them over here. */
+ new_skb->proto_data_valid = old_skb->proto_data_valid;
+ new_skb->proto_csum_blank = old_skb->proto_csum_blank;
+#endif
+}
+
#endif /* actions.h */