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ofproto-dpif: Support differing user/kernel packet parsing support.

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Feature #4886.
This commit is contained in:
Ben Pfaff
2011-11-23 10:26:02 -08:00
parent 6fca1ffbff
commit b0f7b9b5c9
5 changed files with 685 additions and 428 deletions
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19
lib/odp-util.h
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@@ -96,7 +96,24 @@ int odp_flow_key_from_string(const char *s, const struct shash *port_names,
struct ofpbuf *);
void odp_flow_key_from_flow(struct ofpbuf *, const struct flow *);
int odp_flow_key_to_flow(const struct nlattr *, size_t, struct flow *);
uint32_t odp_flow_key_hash(const struct nlattr *, size_t);
/* How well a kernel-provided flow key (a sequence of OVS_KEY_ATTR_*
* attributes) matches OVS userspace expectations.
*
* These values are arranged so that greater values are "more important" than
* lesser ones. In particular, a single flow key can fit the descriptions for
* both ODP_FIT_TOO_LITTLE and ODP_FIT_TOO_MUCH. Such a key is treated as
* ODP_FIT_TOO_LITTLE. */
enum odp_key_fitness {
ODP_FIT_PERFECT, /* The key had exactly the fields we expect. */
ODP_FIT_TOO_MUCH, /* The key had fields we don't understand. */
ODP_FIT_TOO_LITTLE, /* The key lacked fields we expected to see. */
ODP_FIT_ERROR, /* The key was invalid. */
};
enum odp_key_fitness odp_flow_key_to_flow(const struct nlattr *, size_t,
struct flow *);
enum user_action_cookie_type {
USER_ACTION_COOKIE_UNSPEC,