net: Remove deprecated [hub_id name] tuple of 'hostfwd_add' / 'hostfwd_remove'

It's been deprecated since QEMU v3.1.0. Time to finally remove it now.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20191205104109.18680-1-thuth@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
  Reworked Thomas's deprecated.texi to the rst

docs/system/deprecated.rst

@@ -248,12 +248,6 @@ the 'wait' field, which is only applicable to sockets in server mode
 Human Monitor Protocol (HMP) commands
 -------------------------------------
 
-The ``hub_id`` parameter of ``hostfwd_add`` / ``hostfwd_remove`` (since 3.1)
-''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
-
-The ``[hub_id name]`` parameter tuple of the 'hostfwd_add' and
-'hostfwd_remove' HMP commands has been replaced by ``netdev_id``.
-
 ``cpu-add`` (since 4.0)
 '''''''''''''''''''''''
 
@@ -430,6 +424,15 @@ QEMU Machine Protocol (QMP) commands
 The "autoload" parameter has been ignored since 2.12.0. All bitmaps
 are automatically loaded from qcow2 images.
 
+Human Monitor Protocol (HMP) commands
+-------------------------------------
+
+The ``hub_id`` parameter of ``hostfwd_add`` / ``hostfwd_remove`` (removed in 5.0)
+'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
+
+The ``[hub_id name]`` parameter tuple of the 'hostfwd_add' and
+'hostfwd_remove' HMP commands has been replaced by ``netdev_id``.
+
 Related binaries
 ----------------
 

hmp-commands.hx

@@ -1369,8 +1369,8 @@ ERST
 #ifdef CONFIG_SLIRP
     {
         .name       = "hostfwd_add",
-        .args_type  = "arg1:s,arg2:s?,arg3:s?",
+        .args_type  = "arg1:s,arg2:s?",
-        .params     = "[hub_id name]|[netdev_id] [tcp|udp]:[hostaddr]:hostport-[guestaddr]:guestport",
+        .params     = "[netdev_id] [tcp|udp]:[hostaddr]:hostport-[guestaddr]:guestport",
         .help       = "redirect TCP or UDP connections from host to guest (requires -net user)",
         .cmd        = hmp_hostfwd_add,
     },
@@ -1383,8 +1383,8 @@ ERST
 #ifdef CONFIG_SLIRP
     {
         .name       = "hostfwd_remove",
-        .args_type  = "arg1:s,arg2:s?,arg3:s?",
+        .args_type  = "arg1:s,arg2:s?",
-        .params     = "[hub_id name]|[netdev_id] [tcp|udp]:[hostaddr]:hostport",
+        .params     = "[netdev_id] [tcp|udp]:[hostaddr]:hostport",
         .help       = "remove host-to-guest TCP or UDP redirection",
         .cmd        = hmp_hostfwd_remove,
     },

net/hub.c

@@ -193,29 +193,6 @@ NetClientState *net_hub_add_port(int hub_id, const char *name,
     return &port->nc;
 }
 
-/**
- * Find a specific client on a hub
- */
-NetClientState *net_hub_find_client_by_name(int hub_id, const char *name)
-{
-    NetHub *hub;
-    NetHubPort *port;
-    NetClientState *peer;
-
-    QLIST_FOREACH(hub, &hubs, next) {
-        if (hub->id == hub_id) {
-            QLIST_FOREACH(port, &hub->ports, next) {
-                peer = port->nc.peer;
-
-                if (peer && strcmp(peer->name, name) == 0) {
-                    return peer;
-                }
-            }
-        }
-    }
-    return NULL;
-}
-
 /**
  * Find a available port on a hub; otherwise create one new port
  */

net/hub.h

@@ -15,10 +15,8 @@
 #ifndef NET_HUB_H
 #define NET_HUB_H
 
-
 NetClientState *net_hub_add_port(int hub_id, const char *name,
                                  NetClientState *hubpeer);
-NetClientState *net_hub_find_client_by_name(int hub_id, const char *name);
 void net_hub_info(Monitor *mon);
 void net_hub_check_clients(void);
 bool net_hub_flush(NetClientState *nc);

net/slirp.c

@@ -610,25 +610,13 @@ error:
     return -1;
 }
 
-static SlirpState *slirp_lookup(Monitor *mon, const char *hub_id,
+static SlirpState *slirp_lookup(Monitor *mon, const char *id)
-                                const char *name)
 {
-    if (name) {
+    if (id) {
-        NetClientState *nc;
+        NetClientState *nc = qemu_find_netdev(id);
-        if (hub_id) {
+        if (!nc) {
-            nc = net_hub_find_client_by_name(strtol(hub_id, NULL, 0), name);
+            monitor_printf(mon, "unrecognized netdev id '%s'\n", id);
-            if (!nc) {
+            return NULL;
-                monitor_printf(mon, "unrecognized (hub-id, stackname) pair\n");
-                return NULL;
-            }
-            warn_report("Using 'hub-id' is deprecated, specify the netdev id "
-                        "directly instead");
-        } else {
-            nc = qemu_find_netdev(name);
-            if (!nc) {
-                monitor_printf(mon, "unrecognized netdev id '%s'\n", name);
-                return NULL;
-            }
         }
         if (strcmp(nc->model, "user")) {
             monitor_printf(mon, "invalid device specified\n");
@@ -655,16 +643,12 @@ void hmp_hostfwd_remove(Monitor *mon, const QDict *qdict)
     int err;
     const char *arg1 = qdict_get_str(qdict, "arg1");
     const char *arg2 = qdict_get_try_str(qdict, "arg2");
-    const char *arg3 = qdict_get_try_str(qdict, "arg3");
 
-    if (arg3) {
+    if (arg2) {
-        s = slirp_lookup(mon, arg1, arg2);
+        s = slirp_lookup(mon, arg1);
-        src_str = arg3;
-    } else if (arg2) {
-        s = slirp_lookup(mon, NULL, arg1);
         src_str = arg2;
     } else {
-        s = slirp_lookup(mon, NULL, NULL);
+        s = slirp_lookup(mon, NULL);
         src_str = arg1;
     }
     if (!s) {
@@ -784,16 +768,12 @@ void hmp_hostfwd_add(Monitor *mon, const QDict *qdict)
     SlirpState *s;
     const char *arg1 = qdict_get_str(qdict, "arg1");
     const char *arg2 = qdict_get_try_str(qdict, "arg2");
-    const char *arg3 = qdict_get_try_str(qdict, "arg3");
 
-    if (arg3) {
+    if (arg2) {
-        s = slirp_lookup(mon, arg1, arg2);
+        s = slirp_lookup(mon, arg1);
-        redir_str = arg3;
-    } else if (arg2) {
-        s = slirp_lookup(mon, NULL, arg1);
         redir_str = arg2;
     } else {
-        s = slirp_lookup(mon, NULL, NULL);
+        s = slirp_lookup(mon, NULL);
         redir_str = arg1;
     }
     if (s) {