Add OXM_OF_METADATA field as a step toward OpenFlow 1.1 support.

[sliver-openvswitch.git] / lib / classifier.c

diff --git a/lib/classifier.c b/lib/classifier.c
index d19840c..0541b5c 100644 (file)
--- a/lib/classifier.c
+++ b/lib/classifier.c
@@ -118,6 +118,20 @@ cls_rule_set_reg_masked(struct cls_rule *rule, unsigned int reg_idx,
     rule->flow.regs[reg_idx] = value & mask;
 }
 
+void
+cls_rule_set_metadata(struct cls_rule *rule, ovs_be64 metadata)
+{
+    cls_rule_set_metadata_masked(rule, metadata, htonll(UINT64_MAX));
+}
+
+void
+cls_rule_set_metadata_masked(struct cls_rule *rule, ovs_be64 metadata,
+                             ovs_be64 mask)
+{
+    rule->wc.metadata_mask = mask;
+    rule->flow.metadata = metadata & mask;
+}
+
 void
 cls_rule_set_tun_id(struct cls_rule *rule, ovs_be64 tun_id)
 {
@@ -525,7 +539,7 @@ cls_rule_format(const struct cls_rule *rule, struct ds *s)
 
     int i;
 
-    BUILD_ASSERT_DECL(FLOW_WC_SEQ == 11);
+    BUILD_ASSERT_DECL(FLOW_WC_SEQ == 12);
 
     if (rule->priority != OFP_DEFAULT_PRIORITY) {
         ds_put_format(s, "priority=%d,", rule->priority);
@@ -595,6 +609,17 @@ cls_rule_format(const struct cls_rule *rule, struct ds *s)
                       ntohll(f->tun_id), ntohll(wc->tun_id_mask));
         break;
     }
+    switch (wc->metadata_mask) {
+    case 0:
+        break;
+    case CONSTANT_HTONLL(UINT64_MAX):
+        ds_put_format(s, "metadata=%#"PRIx64",", ntohll(f->metadata));
+        break;
+    default:
+        ds_put_format(s, "metadata=%#"PRIx64"/%#"PRIx64",",
+                      ntohll(f->metadata), ntohll(wc->metadata_mask));
+        break;
+    }
     if (!(w & FWW_IN_PORT)) {
         ds_put_format(s, "in_port=%"PRIu16",", f->in_port);
     }
@@ -1188,7 +1213,7 @@ flow_equal_except(const struct flow *a, const struct flow *b,
     const flow_wildcards_t wc = wildcards->wildcards;
     int i;
 
-    BUILD_ASSERT_DECL(FLOW_WC_SEQ == 11);
+    BUILD_ASSERT_DECL(FLOW_WC_SEQ == 12);
 
     for (i = 0; i < FLOW_N_REGS; i++) {
         if ((a->regs[i] ^ b->regs[i]) & wildcards->reg_masks[i]) {
@@ -1197,6 +1222,7 @@ flow_equal_except(const struct flow *a, const struct flow *b,
     }
 
     return (!((a->tun_id ^ b->tun_id) & wildcards->tun_id_mask)
+            && !((a->metadata ^ b->metadata) & wildcards->metadata_mask)
             && !((a->nw_src ^ b->nw_src) & wildcards->nw_src_mask)
             && !((a->nw_dst ^ b->nw_dst) & wildcards->nw_dst_mask)
             && (wc & FWW_IN_PORT || a->in_port == b->in_port)