Signed-off-by: Isaku Yamahata <[email protected]>
---
lib/ofp-actions.c | 22 ++++++++++++++++++++++
lib/ofp-actions.h | 4 ++++
2 files changed, 26 insertions(+), 0 deletions(-)
diff --git a/lib/ofp-actions.c b/lib/ofp-actions.c
index d274895..2f80a29 100644
--- a/lib/ofp-actions.c
+++ b/lib/ofp-actions.c
@@ -1782,3 +1782,25 @@ ofpact_pad(struct ofpbuf *ofpacts)
ofpbuf_put_zeros(ofpacts, OFPACT_ALIGNTO - rem);
}
}
+
+void
+ofpact_nest(struct ofpbuf *ofpacts, const struct ofpact *ofpact)
+{
+ assert(ofpact == ofpacts->l2);
+ assert(ofpacts->l3 == NULL);
+ ofpacts->l3 = ofpacts->l2;
+}
+
+struct ofpact *
+ofpact_unnest(struct ofpbuf *ofpacts)
+{
+ struct ofpact *ofpact;
+ assert(ofpacts->l2 != NULL);
+ assert(ofpacts->l3 != NULL);
+ assert(ofpacts->l3 < ofpacts->l2);
+
+ ofpact = ofpacts->l3;
+ ofpacts->l2 = ofpacts->l3;
+ ofpacts->l3 = NULL;
+ return ofpact;
+}
diff --git a/lib/ofp-actions.h b/lib/ofp-actions.h
index 7c9cb05..d106a66 100644
--- a/lib/ofp-actions.h
+++ b/lib/ofp-actions.h
@@ -493,4 +493,8 @@ OFPACTS
void ofpact_update_len(struct ofpbuf *, struct ofpact *);
void ofpact_pad(struct ofpbuf *);
+/* Functions to use for apply-actions instruction */
+void ofpact_nest(struct ofpbuf *ofpacts, const struct ofpact *ofpact);
+struct ofpact *ofpact_unnest(struct ofpbuf *ofpacts);
+
#endif /* ofp-actions.h */
--
1.7.1.1
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