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net: Flatten simple union NetLegacyOptions 

Simple unions are simpler than flat unions in the schema, but more
complicated in C and on the QMP wire: there's extra indirection in C
and extra nesting on the wire, both pointless.  They're best avoided
in new code.

NetLegacyOptions isn't new, but it's only used internally, not in QMP.
Convert it to a flat union.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1487709988-14322-3-git-send-email-armbru@redhat.com>
master
Markus Armbruster 2017-02-21 21:46:27 +01:00
parent d081a49af8
commit d3be4b57ce
2 changed files with 33 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
net/net.c
View File

@ -993,47 +993,47 @@ static int net_client_init1(const void *object, bool is_netdev, Error **errp)
/* Map the old options to the new flat type */
switch (opts->type) {
case NET_LEGACY_OPTIONS_KIND_NONE:
case NET_LEGACY_OPTIONS_TYPE_NONE:
return 0; /* nothing to do */
case NET_LEGACY_OPTIONS_KIND_NIC:
case NET_LEGACY_OPTIONS_TYPE_NIC:
legacy.type = NET_CLIENT_DRIVER_NIC;
legacy.u.nic = *opts->u.nic.data;
legacy.u.nic = opts->u.nic;
break;
case NET_LEGACY_OPTIONS_KIND_USER:
case NET_LEGACY_OPTIONS_TYPE_USER:
legacy.type = NET_CLIENT_DRIVER_USER;
legacy.u.user = *opts->u.user.data;
legacy.u.user = opts->u.user;
break;
case NET_LEGACY_OPTIONS_KIND_TAP:
case NET_LEGACY_OPTIONS_TYPE_TAP:
legacy.type = NET_CLIENT_DRIVER_TAP;
legacy.u.tap = *opts->u.tap.data;
legacy.u.tap = opts->u.tap;
break;
case NET_LEGACY_OPTIONS_KIND_L2TPV3:
case NET_LEGACY_OPTIONS_TYPE_L2TPV3:
legacy.type = NET_CLIENT_DRIVER_L2TPV3;
legacy.u.l2tpv3 = *opts->u.l2tpv3.data;
legacy.u.l2tpv3 = opts->u.l2tpv3;
break;
case NET_LEGACY_OPTIONS_KIND_SOCKET:
case NET_LEGACY_OPTIONS_TYPE_SOCKET:
legacy.type = NET_CLIENT_DRIVER_SOCKET;
legacy.u.socket = *opts->u.socket.data;
legacy.u.socket = opts->u.socket;
break;
case NET_LEGACY_OPTIONS_KIND_VDE:
case NET_LEGACY_OPTIONS_TYPE_VDE:
legacy.type = NET_CLIENT_DRIVER_VDE;
legacy.u.vde = *opts->u.vde.data;
legacy.u.vde = opts->u.vde;
break;
case NET_LEGACY_OPTIONS_KIND_DUMP:
case NET_LEGACY_OPTIONS_TYPE_DUMP:
legacy.type = NET_CLIENT_DRIVER_DUMP;
legacy.u.dump = *opts->u.dump.data;
legacy.u.dump = opts->u.dump;
break;
case NET_LEGACY_OPTIONS_KIND_BRIDGE:
case NET_LEGACY_OPTIONS_TYPE_BRIDGE:
legacy.type = NET_CLIENT_DRIVER_BRIDGE;
legacy.u.bridge = *opts->u.bridge.data;
legacy.u.bridge = opts->u.bridge;
break;
case NET_LEGACY_OPTIONS_KIND_NETMAP:
case NET_LEGACY_OPTIONS_TYPE_NETMAP:
legacy.type = NET_CLIENT_DRIVER_NETMAP;
legacy.u.netmap = *opts->u.netmap.data;
legacy.u.netmap = opts->u.netmap;
break;
case NET_LEGACY_OPTIONS_KIND_VHOST_USER:
case NET_LEGACY_OPTIONS_TYPE_VHOST_USER:
legacy.type = NET_CLIENT_DRIVER_VHOST_USER;
legacy.u.vhost_user = *opts->u.vhost_user.data;
legacy.u.vhost_user = opts->u.vhost_user;
break;
default:
abort();
@ -1048,7 +1048,7 @@ static int net_client_init1(const void *object, bool is_netdev, Error **errp)
/* Do not add to a vlan if it's a nic with a netdev= parameter. */
if (netdev->type != NET_CLIENT_DRIVER_NIC ||
!opts->u.nic.data->has_netdev) {
!opts->u.nic.has_netdev) {
peer = net_hub_add_port(net->has_vlan ? net->vlan : 0, NULL);
}

11
qapi-schema.json
View File

@ -3958,6 +3958,15 @@
'*name': 'str',
'opts': 'NetLegacyOptions' } }
##
# @NetLegacyOptionsType:
#
# Since: 1.2
##
{ 'enum': 'NetLegacyOptionsType',
'data': ['none', 'nic', 'user', 'tap', 'l2tpv3', 'socket', 'vde',
'dump', 'bridge', 'netmap', 'vhost-user'] }
##
# @NetLegacyOptions:
#
@ -3966,6 +3975,8 @@
# Since: 1.2
##
{ 'union': 'NetLegacyOptions',
'base': { 'type': 'NetLegacyOptionsType' },
'discriminator': 'type',
'data': {
'none': 'NetdevNoneOptions',
'nic': 'NetLegacyNicOptions',