doc: document -netdev hubport

Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

diff --git a/hmp-commands.hx b/hmp-commands.hx
index cef7708e3aa7f71ef4a0a46a13bba8018e4ff193..69c707d332a19586a92fcb5d1025b9f321ab8a53 100644 (file)
--- a/hmp-commands.hx
+++ b/hmp-commands.hx
@@ -1169,7 +1169,7 @@ ETEXI
     {
         .name       = "netdev_add",
         .args_type  = "netdev:O",
-        .params     = "[user|tap|socket],id=str[,prop=value][,...]",
+        .params     = "[user|tap|socket|hubport],id=str[,prop=value][,...]",
         .help       = "add host network device",
         .mhandler.cmd = hmp_netdev_add,
     },

diff --git a/qemu-options.hx b/qemu-options.hx
index 797d99280423e02dcd53807aa84f4759e7b353fb..863069f2938a8e6bdedb6f46e34c7c7800abbd7f 100644 (file)
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -1408,7 +1408,8 @@ DEF("netdev", HAS_ARG, QEMU_OPTION_netdev,
 #ifdef CONFIG_VDE
     "vde|"
 #endif
-    "socket],id=str[,option][,option][,...]\n", QEMU_ARCH_ALL)
+    "socket|"
+    "hubport],id=str[,option][,option][,...]\n", QEMU_ARCH_ALL)
 STEXI
 @item -net nic[,vlan=@var{n}][,macaddr=@var{mac}][,model=@var{type}] [,name=@var{name}][,addr=@var{addr}][,vectors=@var{v}]
 @findex -net
@@ -1730,6 +1731,14 @@ vde_switch -F -sock /tmp/myswitch
 qemu-system-i386 linux.img -net nic -net vde,sock=/tmp/myswitch
 @end example
 
+@item -netdev hubport,id=@var{id},hubid=@var{hubid}
+
+Create a hub port on QEMU "vlan" @var{hubid}.
+
+The hubport netdev lets you connect a NIC to a QEMU "vlan" instead of a single
+netdev.  @code{-net} and @code{-device} with parameter @option{vlan} create the
+required hub automatically.
+
 @item -net dump[,vlan=@var{n}][,file=@var{file}][,len=@var{len}]
 Dump network traffic on VLAN @var{n} to file @var{file} (@file{qemu-vlan0.pcap} by default).
 At most @var{len} bytes (64k by default) per packet are stored. The file format is