util: Fix non-ANSI function declaration.
[openvswitch] / ofproto / ofproto.c
index ff5cb0149ee43db7b3a45858bb01590868bf3438..f40f99590acad5deb690379d1784d06cdbfc4003 100644 (file)
 #include "ofp-print.h"
 #include "ofp-util.h"
 #include "ofpbuf.h"
+#include "ofproto-provider.h"
 #include "openflow/nicira-ext.h"
 #include "openflow/openflow.h"
 #include "packets.h"
 #include "pinsched.h"
 #include "pktbuf.h"
 #include "poll-loop.h"
-#include "private.h"
 #include "shash.h"
 #include "sset.h"
 #include "timeval.h"
@@ -320,6 +320,8 @@ ofproto_create(const char *datapath_name, const char *datapath_type,
     hmap_insert(&all_ofprotos, &ofproto->hmap_node,
                 hash_string(ofproto->name, 0));
     ofproto->datapath_id = 0;
+    ofproto_set_flow_eviction_threshold(ofproto,
+                                        OFPROTO_FLOW_EVICTON_THRESHOLD_DEFAULT);
     ofproto->fallback_dpid = pick_fallback_dpid();
     ofproto->mfr_desc = xstrdup(DEFAULT_MFR_DESC);
     ofproto->hw_desc = xstrdup(DEFAULT_HW_DESC);
@@ -407,6 +409,18 @@ ofproto_set_in_band_queue(struct ofproto *ofproto, int queue_id)
     connmgr_set_in_band_queue(ofproto->connmgr, queue_id);
 }
 
+/* Sets the number of flows at which eviction from the kernel flow table
+ * will occur. */
+void
+ofproto_set_flow_eviction_threshold(struct ofproto *ofproto, unsigned threshold)
+{
+    if (threshold < OFPROTO_FLOW_EVICTION_THRESHOLD_MIN) {
+        ofproto->flow_eviction_threshold = OFPROTO_FLOW_EVICTION_THRESHOLD_MIN;
+    } else {
+        ofproto->flow_eviction_threshold = threshold;
+    }
+}
+
 void
 ofproto_set_desc(struct ofproto *p,
                  const char *mfr_desc, const char *hw_desc,
@@ -845,16 +859,7 @@ ofproto_get_ofproto_controller_info(const struct ofproto *ofproto,
 void
 ofproto_free_ofproto_controller_info(struct shash *info)
 {
-    struct shash_node *node;
-
-    SHASH_FOR_EACH (node, info) {
-        struct ofproto_controller_info *cinfo = node->data;
-        while (cinfo->pairs.n) {
-            free((char *) cinfo->pairs.values[--cinfo->pairs.n]);
-        }
-        free(cinfo);
-    }
-    shash_destroy(info);
+    connmgr_free_controller_info(info);
 }
 
 /* Makes a deep copy of 'old' into 'port'. */
@@ -1378,8 +1383,8 @@ ofproto_rule_destroy__(struct rule *rule)
 /* This function allows an ofproto implementation to destroy any rules that
  * remain when its ->destruct() function is called.  The caller must have
  * already uninitialized any derived members of 'rule' (step 5 described in the
- * large comment in ofproto/private.h titled "Life Cycle").  This function
- * implements steps 6 and 7.
+ * large comment in ofproto/ofproto-provider.h titled "Life Cycle").
+ * This function implements steps 6 and 7.
  *
  * This function should only be called from an ofproto implementation's
  * ->destruct() function.  It is not suitable elsewhere. */
@@ -1398,13 +1403,12 @@ static bool
 rule_has_out_port(const struct rule *rule, uint16_t out_port)
 {
     const union ofp_action *oa;
-    struct actions_iterator i;
+    size_t left;
 
     if (out_port == OFPP_NONE) {
         return true;
     }
-    for (oa = actions_first(&i, rule->actions, rule->n_actions); oa;
-         oa = actions_next(&i)) {
+    OFPUTIL_ACTION_FOR_EACH_UNSAFE (oa, left, rule->actions, rule->n_actions) {
         if (action_outputs_to_port(oa, htons(out_port))) {
             return true;
         }
@@ -1921,7 +1925,6 @@ static void
 flow_stats_ds(struct rule *rule, struct ds *results)
 {
     uint64_t packet_count, byte_count;
-    size_t act_len = sizeof *rule->actions * rule->n_actions;
 
     rule->ofproto->ofproto_class->rule_get_stats(rule,
                                                  &packet_count, &byte_count);
@@ -1936,8 +1939,8 @@ flow_stats_ds(struct rule *rule, struct ds *results)
     ds_put_format(results, "n_bytes=%"PRIu64", ", byte_count);
     cls_rule_format(&rule->cr, results);
     ds_put_char(results, ',');
-    if (act_len > 0) {
-        ofp_print_actions(results, &rule->actions->header, act_len);
+    if (rule->n_actions > 0) {
+        ofp_print_actions(results, rule->actions, rule->n_actions);
     } else {
         ds_put_cstr(results, "drop");
     }
@@ -1990,6 +1993,7 @@ handle_aggregate_stats_request(struct ofconn *ofconn,
     struct ofproto *ofproto = ofconn_get_ofproto(ofconn);
     struct flow_stats_request request;
     struct ofputil_aggregate_stats stats;
+    bool unknown_packets, unknown_bytes;
     struct ofpbuf *reply;
     struct list rules;
     struct rule *rule;
@@ -2007,6 +2011,7 @@ handle_aggregate_stats_request(struct ofconn *ofconn,
     }
 
     memset(&stats, 0, sizeof stats);
+    unknown_packets = unknown_bytes = false;
     LIST_FOR_EACH (rule, ofproto_node, &rules) {
         uint64_t packet_count;
         uint64_t byte_count;
@@ -2014,10 +2019,26 @@ handle_aggregate_stats_request(struct ofconn *ofconn,
         ofproto->ofproto_class->rule_get_stats(rule, &packet_count,
                                                &byte_count);
 
-        stats.packet_count += packet_count;
-        stats.byte_count += byte_count;
+        if (packet_count == UINT64_MAX) {
+            unknown_packets = true;
+        } else {
+            stats.packet_count += packet_count;
+        }
+
+        if (byte_count == UINT64_MAX) {
+            unknown_bytes = true;
+        } else {
+            stats.byte_count += byte_count;
+        }
+
         stats.flow_count++;
     }
+    if (unknown_packets) {
+        stats.packet_count = UINT64_MAX;
+    }
+    if (unknown_bytes) {
+        stats.byte_count = UINT64_MAX;
+    }
 
     reply = ofputil_encode_aggregate_stats_reply(&stats, osm);
     ofconn_send_reply(ofconn, reply);
@@ -2621,7 +2642,7 @@ handle_openflow__(struct ofconn *ofconn, const struct ofpbuf *msg)
     case OFPUTIL_OFPST_QUEUE_REQUEST:
         return handle_queue_stats_request(ofconn, msg->data);
 
-    case OFPUTIL_INVALID:
+    case OFPUTIL_MSG_INVALID:
     case OFPUTIL_OFPT_HELLO:
     case OFPUTIL_OFPT_ERROR:
     case OFPUTIL_OFPT_FEATURES_REPLY:
@@ -2793,8 +2814,8 @@ ofoperation_destroy(struct ofoperation *op)
  * If 'op' is a "delete flow" operation, 'error' must be 0.  That is, flow
  * deletions are not allowed to fail.
  *
- * Please see the large comment in ofproto/private.h titled "Asynchronous
- * Operation Support" for more information. */
+ * Please see the large comment in ofproto/ofproto-provider.h titled
+ * "Asynchronous Operation Support" for more information. */
 void
 ofoperation_complete(struct ofoperation *op, int error)
 {