vswitch: Use weak references in Mirror table.
[openvswitch] / vswitchd / bridge.c
index c2e89eb838de330afc06f2c0b4c0f25b9ad1a1b6..11ec99d813202982e35c0cdf228db77b171e3e70 100644 (file)
@@ -163,6 +163,13 @@ struct bridge {
     /* OpenFlow switch processing. */
     struct ofproto *ofproto;    /* OpenFlow switch. */
 
+    /* Description strings. */
+    char *mfr_desc;             /* Manufacturer. */
+    char *hw_desc;              /* Hardware. */
+    char *sw_desc;              /* Software version. */
+    char *serial_desc;          /* Serial number. */
+    char *dp_desc;              /* Datapath description. */
+
     /* Kernel datapath information. */
     struct dpif *dpif;          /* Datapath. */
     struct port_array ifaces;   /* Indexed by kernel datapath port number. */
@@ -410,7 +417,12 @@ set_up_iface(const struct ovsrec_interface *iface_cfg, struct iface *iface,
 
         memset(&netdev_options, 0, sizeof netdev_options);
         netdev_options.name = iface_cfg->name;
-        netdev_options.type = iface_cfg->type;
+        if (!strcmp(iface_cfg->type, "internal")) {
+            /* An "internal" config type maps to a netdev "system" type. */
+            netdev_options.type = "system";
+        } else {
+            netdev_options.type = iface_cfg->type;
+        }
         netdev_options.args = &options;
         netdev_options.ethertype = NETDEV_ETH_TYPE_NONE;
         netdev_options.may_create = true;
@@ -428,6 +440,11 @@ set_up_iface(const struct ovsrec_interface *iface_cfg, struct iface *iface,
         const char *iface_type = iface_cfg->type && strlen(iface_cfg->type)
                                   ? iface_cfg->type : NULL;
 
+        /* An "internal" config type maps to a netdev "system" type. */
+        if (iface_type && !strcmp(iface_type, "internal")) {
+            iface_type = "system";
+        }
+
         if (!iface_type || !strcmp(netdev_type, iface_type)) {
             error = netdev_reconfigure(iface->netdev, &options);
         } else {
@@ -1298,6 +1315,75 @@ check_duplicate_ifaces(struct bridge *br, struct iface *iface, void *ifaces_)
     }
 }
 
+static void
+bridge_update_desc(struct bridge *br)
+{
+#if 0
+    bool changed = false;
+    const char *desc;
+
+    desc = cfg_get_string(0, "bridge.%s.mfr-desc", br->name);
+    if (desc != br->mfr_desc) {
+        free(br->mfr_desc);
+        if (desc) {
+            br->mfr_desc = xstrdup(desc);
+        } else {
+            br->mfr_desc = xstrdup(DEFAULT_MFR_DESC);
+        }
+        changed = true;
+    }
+
+    desc = cfg_get_string(0, "bridge.%s.hw-desc", br->name);
+    if (desc != br->hw_desc) {
+        free(br->hw_desc);
+        if (desc) {
+            br->hw_desc = xstrdup(desc);
+        } else {
+            br->hw_desc = xstrdup(DEFAULT_HW_DESC);
+        }
+        changed = true;
+    }
+
+    desc = cfg_get_string(0, "bridge.%s.sw-desc", br->name);
+    if (desc != br->sw_desc) {
+        free(br->sw_desc);
+        if (desc) {
+            br->sw_desc = xstrdup(desc);
+        } else {
+            br->sw_desc = xstrdup(DEFAULT_SW_DESC);
+        }
+        changed = true;
+    }
+
+    desc = cfg_get_string(0, "bridge.%s.serial-desc", br->name);
+    if (desc != br->serial_desc) {
+        free(br->serial_desc);
+        if (desc) {
+            br->serial_desc = xstrdup(desc);
+        } else {
+            br->serial_desc = xstrdup(DEFAULT_SERIAL_DESC);
+        }
+        changed = true;
+    }
+
+    desc = cfg_get_string(0, "bridge.%s.dp-desc", br->name);
+    if (desc != br->dp_desc) {
+        free(br->dp_desc);
+        if (desc) {
+            br->dp_desc = xstrdup(desc);
+        } else {
+            br->dp_desc = xstrdup(DEFAULT_DP_DESC);
+        }
+        changed = true;
+    }
+
+    if (changed) {
+        ofproto_set_desc(br->ofproto, br->mfr_desc, br->hw_desc,
+                br->sw_desc, br->serial_desc, br->dp_desc);
+    }
+#endif
+}
+
 static void
 bridge_reconfigure_one(const struct ovsrec_open_vswitch *ovs_cfg,
                        struct bridge *br)
@@ -1436,13 +1522,14 @@ bridge_reconfigure_one(const struct ovsrec_open_vswitch *ovs_cfg,
 #endif
 
     mirror_reconfigure(br);
+
+    bridge_update_desc(br);
 }
 
 static void
 bridge_reconfigure_controller(const struct ovsrec_open_vswitch *ovs_cfg,
                               struct bridge *br)
 {
-    char *pfx = xasprintf("bridge.%s.controller", br->name);
     const struct ovsrec_controller *c;
 
     c = bridge_get_controller(ovs_cfg, br);
@@ -1536,7 +1623,6 @@ bridge_reconfigure_controller(const struct ovsrec_open_vswitch *ovs_cfg,
         ofproto_set_probe_interval(br->ofproto, 5);
         ofproto_set_failure(br->ofproto, false);
     }
-    free(pfx);
 
     ofproto_set_controller(br->ofproto, br->controller);
 }
@@ -3731,9 +3817,6 @@ mirror_reconfigure_one(struct mirror *m, struct ovsrec_mirror *cfg)
     size_t n_vlans;
     int *vlans;
     size_t i;
-    bool mirror_all_ports;
-    bool any_ports_specified;
-    bool any_vlans_specified;
 
     /* Get output port. */
     if (cfg->output_port) {
@@ -3761,30 +3844,25 @@ mirror_reconfigure_one(struct mirror *m, struct ovsrec_mirror *cfg)
         return;
     }
 
-    /* Get all the ports, and drop duplicates and ports that don't exist. */
     shash_init(&src_ports);
     shash_init(&dst_ports);
-    mirror_collect_ports(m, cfg->select_src_port, cfg->n_select_src_port,
-                         &src_ports);
-    mirror_collect_ports(m, cfg->select_dst_port, cfg->n_select_dst_port,
-                         &dst_ports);
-    any_ports_specified = cfg->n_select_dst_port || cfg->n_select_dst_port;
-    if (any_ports_specified
-        && shash_is_empty(&src_ports) && shash_is_empty(&dst_ports)) {
-        VLOG_ERR("bridge %s: disabling mirror %s since none of the specified "
-                 "selection ports exists", m->bridge->name, m->name);
-        mirror_destroy(m);
-        goto exit;
-    }
+    if (cfg->select_all) {
+        for (i = 0; i < m->bridge->n_ports; i++) {
+            const char *name = m->bridge->ports[i]->name;
+            shash_add_once(&src_ports, name, NULL);
+            shash_add_once(&dst_ports, name, NULL);
+        }
+        vlans = NULL;
+        n_vlans = 0;
+    } else {
+        /* Get ports, and drop duplicates and ports that don't exist. */
+        mirror_collect_ports(m, cfg->select_src_port, cfg->n_select_src_port,
+                             &src_ports);
+        mirror_collect_ports(m, cfg->select_dst_port, cfg->n_select_dst_port,
+                             &dst_ports);
 
-    /* Get all the vlans, and drop duplicate and invalid vlans. */
-    n_vlans = mirror_collect_vlans(m, cfg, &vlans);
-    any_vlans_specified = cfg->n_select_vlan > 0;
-    if (any_vlans_specified && !n_vlans) {
-        VLOG_ERR("bridge %s: disabling mirror %s since none of the specified "
-                 "VLANs exists", m->bridge->name, m->name);
-        mirror_destroy(m);
-        goto exit;
+        /* Get all the vlans, and drop duplicate and invalid vlans. */
+        n_vlans = mirror_collect_vlans(m, cfg, &vlans);
     }
 
     /* Update mirror data. */
@@ -3804,16 +3882,12 @@ mirror_reconfigure_one(struct mirror *m, struct ovsrec_mirror *cfg)
     m->out_port = out_port;
     m->out_vlan = out_vlan;
 
-    /* If no selection criteria have been given, mirror for all ports. */
-    mirror_all_ports = !any_ports_specified && !any_vlans_specified;
-
     /* Update ports. */
     mirror_bit = MIRROR_MASK_C(1) << m->idx;
     for (i = 0; i < m->bridge->n_ports; i++) {
         struct port *port = m->bridge->ports[i];
 
-        if (mirror_all_ports
-            || shash_find(&m->src_ports, port->name)
+        if (shash_find(&m->src_ports, port->name)
             || (m->n_vlans
                 && (!port->vlan
                     ? port_trunks_any_mirrored_vlan(m, port)
@@ -3823,7 +3897,7 @@ mirror_reconfigure_one(struct mirror *m, struct ovsrec_mirror *cfg)
             port->src_mirrors &= ~mirror_bit;
         }
 
-        if (mirror_all_ports || shash_find(&m->dst_ports, port->name)) {
+        if (shash_find(&m->dst_ports, port->name)) {
             port->dst_mirrors |= mirror_bit;
         } else {
             port->dst_mirrors &= ~mirror_bit;
@@ -3831,7 +3905,6 @@ mirror_reconfigure_one(struct mirror *m, struct ovsrec_mirror *cfg)
     }
 
     /* Clean up. */
-exit:
     shash_destroy(&src_ports);
     shash_destroy(&dst_ports);
 }