flow: New FLOW_WC_SEQ build assertion.

[sliver-openvswitch.git] / lib / ofp-util.c

diff --git a/lib/ofp-util.c b/lib/ofp-util.c
index 71c28b2..b0aeaf4 100644 (file)
--- a/lib/ofp-util.c
+++ b/lib/ofp-util.c
@@ -108,6 +108,8 @@ static const flow_wildcards_t WC_INVARIANTS = 0
 void
 ofputil_wildcard_from_openflow(uint32_t ofpfw, struct flow_wildcards *wc)
 {
+    BUILD_ASSERT_DECL(FLOW_WC_SEQ == 1);
+
     /* Initialize most of rule->wc. */
     flow_wildcards_init_catchall(wc);
     wc->wildcards = (OVS_FORCE flow_wildcards_t) ofpfw & WC_INVARIANTS;
@@ -800,6 +802,8 @@ ofputil_min_flow_format(const struct cls_rule *rule)
 {
     const struct flow_wildcards *wc = &rule->wc;
 
+    BUILD_ASSERT_DECL(FLOW_WC_SEQ == 1);
+
     /* Only NXM supports separately wildcards the Ethernet multicast bit. */
     if (!(wc->wildcards & FWW_DL_DST) != !(wc->wildcards & FWW_ETH_MCAST)) {
         return NXFF_NXM;