ovs-vswitchd: Implement OFPT_TABLE_FEATURES table modification request.

This allows a controller to change the name of OpenFlow flow tables in the
OVS software switch.

CC: Brad Cowie <brad@cowie.nz>
Acked-by: Justin Pettit <jpettit@ovn.org>
Signed-off-by: Ben Pfaff <blp@ovn.org>

1 files changed, 9 insertions, 0 deletions

diff --git a/lib/meta-flow.c b/lib/meta-flow.c
index b6d9e92b6..bc48d6304 100644
--- a/lib/meta-flow.c
+++ b/lib/meta-flow.c
@@ -3528,3 +3528,12 @@ mf_vl_mff_mf_from_nxm_header(uint32_t header,
     mf_vl_mff_set_tlv_bitmap(*field, tlv_bitmap);
     return 0;
 }
+
+/* Returns true if the 1-bits in 'super' are a superset of the 1-bits in 'sub',
+ * false otherwise. */
+bool
+mf_bitmap_is_superset(const struct mf_bitmap *super,
+                      const struct mf_bitmap *sub)
+{
+    return bitmap_is_superset(super->bm, sub->bm, MFF_N_IDS);
+}