[PATCH v4 13/16] net: Make "info network" output more readable info

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From: Zhi Yong Wu <wuzhy@xxxxxxxxxxxxxxxxxx>

Reviewed-by:   Jan Kiszka  <jan.kiszka@xxxxxxxxxxx>
Signed-off-by: Zhi Yong Wu <wuzhy@xxxxxxxxxxxxxxxxxx>
---
 net.c     |   18 ++++++++++++++----
 net.h     |    1 +
 net/hub.c |   23 +++++++++++++++++++++--
 net/hub.h |    1 +
 4 files changed, 37 insertions(+), 6 deletions(-)

diff --git a/net.c b/net.c
index 61dc28d..ae0deec 100644
--- a/net.c
+++ b/net.c
@@ -887,6 +887,12 @@ static const struct {
         },
     },
 #endif /* CONFIG_NET_BRIDGE */
+    [NET_CLIENT_TYPE_HUB] = {
+        .type = "hubport",
+        .desc = {
+            { /* end of list */ }
+        },
+    },
 };
 
 int net_client_init(Monitor *mon, QemuOpts *opts, int is_netdev)
@@ -1068,7 +1074,7 @@ int do_netdev_del(Monitor *mon, const QDict *qdict, QObject **ret_data)
     return 0;
 }
 
-static void print_net_client(Monitor *mon, NetClientState *vc)
+void print_net_client(Monitor *mon, NetClientState *vc)
 {
     monitor_printf(mon, "%s: type=%s,%s\n", vc->name,
                    net_client_types[vc->info->type].type, vc->info_str);
@@ -1079,12 +1085,17 @@ void do_info_network(Monitor *mon)
     NetClientState *nc, *peer;
     net_client_type type;
 
-    monitor_printf(mon, "Devices not on any VLAN:\n");
+    net_hub_info(mon);
+
     QTAILQ_FOREACH(nc, &net_clients, next) {
         peer = nc->peer;
         type = nc->info->type;
+
+        if (net_hub_port_peer_nc(nc)) {
+            continue;
+        }
+
         if (!peer || type == NET_CLIENT_TYPE_NIC) {
-            monitor_printf(mon, "  ");
             print_net_client(mon, nc);
         } /* else it's a netdev connected to a NIC, printed with the NIC */
         if (peer && type == NET_CLIENT_TYPE_NIC) {
@@ -1092,7 +1103,6 @@ void do_info_network(Monitor *mon)
             print_net_client(mon, peer);
         }
     }
-    net_hub_info(mon);
 }
 
 void qmp_set_link(const char *name, bool up, Error **errp)
diff --git a/net.h b/net.h
index 250669a..0692283 100644
--- a/net.h
+++ b/net.h
@@ -112,6 +112,7 @@ void qemu_check_nic_model(NICInfo *nd, const char *model);
 int qemu_find_nic_model(NICInfo *nd, const char * const *models,
                         const char *default_model);
 
+void print_net_client(Monitor *mon, NetClientState *vc);
 void do_info_network(Monitor *mon);
 
 /* NIC info */
diff --git a/net/hub.c b/net/hub.c
index 122de69..8c77d03 100644
--- a/net/hub.c
+++ b/net/hub.c
@@ -184,6 +184,25 @@ NetClientState *net_hub_find_client_by_name(unsigned int hub_id,
 }
 
 /**
+ * Determine if one nc peers with one hub port
+ */
+bool net_hub_port_peer_nc(NetClientState *nc)
+{
+    NetHub *hub;
+    NetHubPort *port;
+
+    QLIST_FOREACH(hub, &hubs, next) {
+        QLIST_FOREACH(port, &hub->ports, next) {
+            if (nc == port->nc.peer) {
+                return true;
+            }
+        }
+    }
+
+    return false;
+}
+
+/**
  * Print hub configuration
  */
 void net_hub_info(Monitor *mon)
@@ -194,8 +213,8 @@ void net_hub_info(Monitor *mon)
     QLIST_FOREACH(hub, &hubs, next) {
         monitor_printf(mon, "hub %u\n", hub->id);
         QLIST_FOREACH(port, &hub->ports, next) {
-            monitor_printf(mon, "    port %u peer %s\n", port->id,
-                           port->nc.peer ? port->nc.peer->name : "<none>");
+            monitor_printf(mon, "   \\ ");
+            print_net_client(mon, port->nc.peer);
         }
     }
 }
diff --git a/net/hub.h b/net/hub.h
index ff5024a..550189b 100644
--- a/net/hub.h
+++ b/net/hub.h
@@ -23,5 +23,6 @@ NetClientState *net_hub_find_client_by_name(unsigned int hub_id,
 void net_hub_info(Monitor *mon);
 int net_hub_id_for_client(NetClientState *nc, unsigned int *id);
 void net_hub_check_clients(void);
+bool net_hub_port_peer_nc(NetClientState *nc);
 
 #endif /* NET_HUB_H */
-- 
1.7.6

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