X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Fmatch.c;h=87d6a60ab6b5c21dab692ebd1a4a9fecc6840820;hb=c5cf10598f8c9f4428291e9df3ecd72a05fb1ccf;hp=b2a25fd6d84b1bcec206d9d2d3b1ed6d31e95cb5;hpb=8bfd0fdace852f2208b97430bd8de9aeadbf2fb0;p=sliver-openvswitch.git

diff --git a/lib/match.c b/lib/match.c
index b2a25fd6d..87d6a60ab 100644
--- a/lib/match.c
+++ b/lib/match.c
@@ -164,6 +164,26 @@ match_zero_wildcarded_fields(struct match *match)
     flow_zero_wildcards(&match->flow, &match->wc);
 }
 
+void
+match_set_dp_hash(struct match *match, uint32_t value)
+{
+    match_set_dp_hash_masked(match, value, UINT32_MAX);
+}
+
+void
+match_set_dp_hash_masked(struct match *match, uint32_t value, uint32_t mask)
+{
+    match->wc.masks.dp_hash = mask;
+    match->flow.dp_hash = value & mask;
+}
+
+void
+match_set_recirc_id(struct match *match, uint32_t value)
+{
+    match->flow.recirc_id = value;
+    match->wc.masks.recirc_id = UINT32_MAX;
+}
+
 void
 match_set_reg(struct match *match, unsigned int reg_idx, uint32_t value)
 {
@@ -768,6 +788,34 @@ match_hash(const struct match *match, uint32_t basis)
     return flow_wildcards_hash(&match->wc, flow_hash(&match->flow, basis));
 }
 
+static bool
+match_has_default_recirc_id(const struct match *m)
+{
+    return m->flow.recirc_id == 0 && (m->wc.masks.recirc_id == UINT32_MAX ||
+                                      m->wc.masks.recirc_id == 0);
+}
+
+static bool
+match_has_default_dp_hash(const struct match *m)
+{
+    return ((m->flow.dp_hash | m->wc.masks.dp_hash) == 0);
+}
+
+/* Return true if the hidden fields of the match are set to the default values.
+ * The default values equals to those set up by match_init_hidden_fields(). */
+bool
+match_has_default_hidden_fields(const struct match *m)
+{
+    return match_has_default_recirc_id(m) && match_has_default_dp_hash(m);
+}
+
+void
+match_init_hidden_fields(struct match *m)
+{
+    match_set_recirc_id(m, 0);
+    match_set_dp_hash_masked(m, 0, 0);
+}
+
 static void
 format_eth_masked(struct ds *s, const char *name, const uint8_t eth[6],
                   const uint8_t mask[6])
@@ -895,7 +943,7 @@ match_format(const struct match *match, struct ds *s, unsigned int priority)
 
     int i;
 
-    BUILD_ASSERT_DECL(FLOW_WC_SEQ == 24);
+    BUILD_ASSERT_DECL(FLOW_WC_SEQ == 26);
 
     if (priority != OFP_DEFAULT_PRIORITY) {
         ds_put_format(s, "priority=%u,", priority);
@@ -903,6 +951,16 @@ match_format(const struct match *match, struct ds *s, unsigned int priority)
 
     format_uint32_masked(s, "pkt_mark", f->pkt_mark, wc->masks.pkt_mark);
 
+    if (wc->masks.recirc_id) {
+        format_uint32_masked(s, "recirc_id", f->recirc_id,
+                             wc->masks.recirc_id);
+    }
+
+    if (f->dp_hash && wc->masks.dp_hash) {
+        format_uint32_masked(s, "dp_hash", f->dp_hash,
+                             wc->masks.dp_hash);
+    }
+
     if (wc->masks.skb_priority) {
         ds_put_format(s, "skb_priority=%#"PRIx32",", f->skb_priority);
     }