This is in preparation for adding recirculation where
it will be used to test if load, move and set_field actions
require recirculation to be performed first.
Signed-off-by: Simon Horman <ho...@verge.net.au>
---
lib/meta-flow.h | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/lib/meta-flow.h b/lib/meta-flow.h
index cf92556..cd00a25 100644
--- a/lib/meta-flow.h
+++ b/lib/meta-flow.h
@@ -87,6 +87,8 @@ enum OVS_PACKED_ENUM mf_field_id {
MFF_MPLS_BOS, /* u8 */
/* L3. */
+ /* Update mf_is_l3_or_higher() if MFF_IPV4_SRC is
+ * no longer the first element for a field of layer 3 or higher */
MFF_IPV4_SRC, /* be32 */
MFF_IPV4_DST, /* be32 */
@@ -359,6 +361,12 @@ void mf_get_mask(const struct mf_field *, const struct
flow_wildcards *,
bool mf_are_prereqs_ok(const struct mf_field *, const struct flow *);
void mf_mask_field_and_prereqs(const struct mf_field *, struct flow *mask);
+static inline bool
+mf_is_l3_or_higher(const struct mf_field *mf)
+{
+ return mf->id >= MFF_IPV4_SRC;
+}
+
/* Field values. */
bool mf_is_value_valid(const struct mf_field *, const union mf_value *value);
--
1.8.5.2
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