ofproto-dpif: Implement PACKET_IN in userspace.
[openvswitch] / ofproto / ofproto.c
index b0a1a66f591bd4fad8e2254e614dd9c08d45c14f..af35aba2cc781f93dda07ded49061d6cfc2f3c35 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009, 2010, 2011 Nicira Networks.
+ * Copyright (c) 2009, 2010, 2011, 2012 Nicira Networks.
  * Copyright (c) 2010 Jean Tourrilhes - HP-Labs.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -2081,8 +2081,9 @@ next_matching_table(struct ofproto *ofproto,
  * Returns 0 on success, otherwise an OpenFlow error code. */
 static int
 collect_rules_loose(struct ofproto *ofproto, uint8_t table_id,
-                    const struct cls_rule *match, uint16_t out_port,
-                    struct list *rules)
+                    const struct cls_rule *match,
+                    ovs_be64 cookie, ovs_be64 cookie_mask,
+                    uint16_t out_port, struct list *rules)
 {
     struct classifier *cls;
     int error;
@@ -2102,7 +2103,8 @@ collect_rules_loose(struct ofproto *ofproto, uint8_t table_id,
             if (rule->pending) {
                 return OFPROTO_POSTPONE;
             }
-            if (!rule_is_hidden(rule) && rule_has_out_port(rule, out_port)) {
+            if (!rule_is_hidden(rule) && rule_has_out_port(rule, out_port)
+                    && !((rule->flow_cookie ^ cookie) & cookie_mask)) {
                 list_push_back(rules, &rule->ofproto_node);
             }
         }
@@ -2123,8 +2125,9 @@ collect_rules_loose(struct ofproto *ofproto, uint8_t table_id,
  * Returns 0 on success, otherwise an OpenFlow error code. */
 static int
 collect_rules_strict(struct ofproto *ofproto, uint8_t table_id,
-                     const struct cls_rule *match, uint16_t out_port,
-                     struct list *rules)
+                     const struct cls_rule *match,
+                     ovs_be64 cookie, ovs_be64 cookie_mask,
+                     uint16_t out_port, struct list *rules)
 {
     struct classifier *cls;
     int error;
@@ -2143,7 +2146,8 @@ collect_rules_strict(struct ofproto *ofproto, uint8_t table_id,
             if (rule->pending) {
                 return OFPROTO_POSTPONE;
             }
-            if (!rule_is_hidden(rule) && rule_has_out_port(rule, out_port)) {
+            if (!rule_is_hidden(rule) && rule_has_out_port(rule, out_port)
+                    && !((rule->flow_cookie ^ cookie) & cookie_mask)) {
                 list_push_back(rules, &rule->ofproto_node);
             }
         }
@@ -2168,6 +2172,7 @@ handle_flow_stats_request(struct ofconn *ofconn,
     }
 
     error = collect_rules_loose(ofproto, fsr.table_id, &fsr.match,
+                                fsr.cookie, fsr.cookie_mask,
                                 fsr.out_port, &rules);
     if (error) {
         return error;
@@ -2298,6 +2303,7 @@ handle_aggregate_stats_request(struct ofconn *ofconn,
     }
 
     error = collect_rules_loose(ofproto, request.table_id, &request.match,
+                                request.cookie, request.cookie_mask,
                                 request.out_port, &rules);
     if (error) {
         return error;
@@ -2593,8 +2599,9 @@ modify_flows_loose(struct ofproto *ofproto, struct ofconn *ofconn,
     struct list rules;
     int error;
 
-    error = collect_rules_loose(ofproto, fm->table_id, &fm->cr, OFPP_NONE,
-                                &rules);
+    error = collect_rules_loose(ofproto, fm->table_id, &fm->cr,
+                                fm->cookie, fm->cookie_mask,
+                                OFPP_NONE, &rules);
     return (error ? error
             : list_is_empty(&rules) ? add_flow(ofproto, ofconn, fm, request)
             : modify_flows__(ofproto, ofconn, fm, request, &rules));
@@ -2613,8 +2620,9 @@ modify_flow_strict(struct ofproto *ofproto, struct ofconn *ofconn,
     struct list rules;
     int error;
 
-    error = collect_rules_strict(ofproto, fm->table_id, &fm->cr, OFPP_NONE,
-                                 &rules);
+    error = collect_rules_strict(ofproto, fm->table_id, &fm->cr,
+                                 fm->cookie, fm->cookie_mask,
+                                 OFPP_NONE, &rules);
     return (error ? error
             : list_is_empty(&rules) ? add_flow(ofproto, ofconn, fm, request)
             : list_is_singleton(&rules) ? modify_flows__(ofproto, ofconn,
@@ -2656,8 +2664,9 @@ delete_flows_loose(struct ofproto *ofproto, struct ofconn *ofconn,
     struct list rules;
     int error;
 
-    error = collect_rules_loose(ofproto, fm->table_id, &fm->cr, fm->out_port,
-                                &rules);
+    error = collect_rules_loose(ofproto, fm->table_id, &fm->cr,
+                                fm->cookie, fm->cookie_mask,
+                                fm->out_port, &rules);
     return (error ? error
             : !list_is_empty(&rules) ? delete_flows__(ofproto, ofconn, request,
                                                       &rules)
@@ -2673,8 +2682,9 @@ delete_flow_strict(struct ofproto *ofproto, struct ofconn *ofconn,
     struct list rules;
     int error;
 
-    error = collect_rules_strict(ofproto, fm->table_id, &fm->cr, fm->out_port,
-                                 &rules);
+    error = collect_rules_strict(ofproto, fm->table_id, &fm->cr,
+                                 fm->cookie, fm->cookie_mask,
+                                 fm->out_port, &rules);
     return (error ? error
             : list_is_singleton(&rules) ? delete_flows__(ofproto, ofconn,
                                                          request, &rules)
@@ -3181,12 +3191,16 @@ ofoperation_complete(struct ofoperation *op, int error)
             if (op->victim) {
                 ofproto_rule_destroy__(op->victim);
             }
-            if (!(rule->cr.wc.vlan_tci_mask & htons(VLAN_VID_MASK))
-                && ofproto->vlan_bitmap) {
-                uint16_t vid = vlan_tci_to_vid(rule->cr.flow.vlan_tci);
-
-                if (!bitmap_is_set(ofproto->vlan_bitmap, vid)) {
-                    bitmap_set1(ofproto->vlan_bitmap, vid);
+            if ((rule->cr.wc.vlan_tci_mask & htons(VLAN_VID_MASK))
+                == htons(VLAN_VID_MASK)) {
+                if (ofproto->vlan_bitmap) {
+                    uint16_t vid = vlan_tci_to_vid(rule->cr.flow.vlan_tci);
+
+                    if (!bitmap_is_set(ofproto->vlan_bitmap, vid)) {
+                        bitmap_set1(ofproto->vlan_bitmap, vid);
+                        ofproto->vlans_changed = true;
+                    }
+                } else {
                     ofproto->vlans_changed = true;
                 }
             }
@@ -3277,8 +3291,8 @@ ofproto_lookup(const char *name)
 }
 
 static void
-ofproto_unixctl_list(struct unixctl_conn *conn, const char *arg OVS_UNUSED,
-                     void *aux OVS_UNUSED)
+ofproto_unixctl_list(struct unixctl_conn *conn, int argc OVS_UNUSED,
+                     const char *argv[] OVS_UNUSED, void *aux OVS_UNUSED)
 {
     struct ofproto *ofproto;
     struct ds results;
@@ -3300,7 +3314,8 @@ ofproto_unixctl_init(void)
     }
     registered = true;
 
-    unixctl_command_register("ofproto/list", "", ofproto_unixctl_list, NULL);
+    unixctl_command_register("ofproto/list", "", 0, 0,
+                             ofproto_unixctl_list, NULL);
 }
 \f
 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
@@ -3325,7 +3340,8 @@ ofproto_get_vlan_usage(struct ofproto *ofproto, unsigned long int *vlan_bitmap)
         const struct cls_table *table;
 
         HMAP_FOR_EACH (table, hmap_node, &cls->tables) {
-            if (!(table->wc.vlan_tci_mask & htons(VLAN_VID_MASK))) {
+            if ((table->wc.vlan_tci_mask & htons(VLAN_VID_MASK))
+                == htons(VLAN_VID_MASK)) {
                 const struct cls_rule *rule;
 
                 HMAP_FOR_EACH (rule, hmap_node, &table->rules) {