#include "qapi/qapi-types-net.h"
#include "net/queue.h"
#include "hw/qdev-properties-system.h"
+#include "qapi/clone-visitor.h"
+#include "qapi/qapi-visit-net.h"
#define MAC_FMT "%02X:%02X:%02X:%02X:%02X:%02X"
#define MAC_ARG(x) ((uint8_t *)(x))[0], ((uint8_t *)(x))[1], \
char *model;
char *name;
char info_str[256];
+ NetdevInfo *stored_config;
unsigned receive_disabled : 1;
NetClientDestructor *destructor;
unsigned int queue_index;
l2tpv3_read_poll(s, true);
+ /* Store startup parameters */
+ nc->stored_config = g_new0(NetdevInfo, 1);
+ nc->stored_config->type = NET_BACKEND_L2TPV3;
+
+ QAPI_CLONE_MEMBERS(NetdevL2TPv3Options,
+ &nc->stored_config->u.l2tpv3, l2tpv3);
+
snprintf(s->nc.info_str, sizeof(s->nc.info_str),
"l2tpv3: connected");
return 0;
#include "monitor/monitor.h"
#include "qemu/help_option.h"
#include "qapi/qapi-commands-net.h"
-#include "qapi/qapi-visit-net.h"
#include "qapi/qmp/qdict.h"
#include "qapi/qmp/qerror.h"
#include "qemu/error-report.h"
}
g_free(nc->name);
g_free(nc->model);
+ qapi_free_NetdevInfo(nc->stored_config);
if (nc->destructor) {
nc->destructor(nc);
}
return filter_list;
}
+NetdevInfoList *qmp_query_netdev(Error **errp)
+{
+ NetdevInfoList *list = NULL;
+ NetClientState *nc;
+
+ QTAILQ_FOREACH(nc, &net_clients, next) {
+ /*
+ * Only look at netdevs (backend network devices), not for each queue
+ * or NIC / hubport
+ */
+ if (nc->stored_config) {
+ NetdevInfo *element = QAPI_CLONE(NetdevInfo, nc->stored_config);
+
+ g_free(element->id); /* Need to dealloc empty id after clone */
+ element->id = g_strdup(nc->name);
+
+ element->has_peer_id = nc->peer != NULL;
+ if (element->has_peer_id) {
+ element->peer_id = g_strdup(nc->peer->name);
+ }
+
+ QAPI_LIST_PREPEND(list, element);
+ }
+ }
+
+ return list;
+}
+
void hmp_info_network(Monitor *mon, const QDict *qdict)
{
NetClientState *nc, *peer;
pstrcpy(s->ifname, sizeof(s->ifname), netmap_opts->ifname);
netmap_read_poll(s, true); /* Initially only poll for reads. */
+ /* Store startup parameters */
+ nc->stored_config = g_new0(NetdevInfo, 1);
+ nc->stored_config->type = NET_BACKEND_NETMAP;
+
+ QAPI_CLONE_MEMBERS(NetdevNetmapOptions,
+ &nc->stored_config->u.netmap, netmap_opts);
+
return 0;
}
int shift;
char *end;
struct slirp_config_str *config;
+ NetdevUserOptions *stored;
+ StringList **stored_hostfwd;
+ StringList **stored_guestfwd;
if (!ipv4 && (vnetwork || vhost || vnameserver)) {
error_setg(errp, "IPv4 disabled but netmask/host/dns provided");
nc = qemu_new_net_client(&net_slirp_info, peer, model, name);
+ /* Store startup parameters */
+ nc->stored_config = g_new0(NetdevInfo, 1);
+ nc->stored_config->type = NET_BACKEND_USER;
+ stored = &nc->stored_config->u.user;
+
+ if (vhostname) {
+ stored->has_hostname = true;
+ stored->hostname = g_strdup(vhostname);
+ }
+
+ stored->has_q_restrict = true;
+ stored->q_restrict = restricted;
+
+ stored->has_ipv4 = true;
+ stored->ipv4 = ipv4;
+
+ stored->has_ipv6 = true;
+ stored->ipv6 = ipv6;
+
+ if (ipv4) {
+ uint8_t *net_bytes = (uint8_t *)&net;
+ uint8_t *mask_bytes = (uint8_t *)&mask;
+
+ stored->has_net = true;
+ stored->net = g_strdup_printf("%d.%d.%d.%d/%d.%d.%d.%d",
+ net_bytes[0], net_bytes[1],
+ net_bytes[2], net_bytes[3],
+ mask_bytes[0], mask_bytes[1],
+ mask_bytes[2], mask_bytes[3]);
+
+ stored->has_host = true;
+ stored->host = g_strdup(inet_ntoa(host));
+ }
+
+ if (tftp_export) {
+ stored->has_tftp = true;
+ stored->tftp = g_strdup(tftp_export);
+ }
+
+ if (bootfile) {
+ stored->has_bootfile = true;
+ stored->bootfile = g_strdup(bootfile);
+ }
+
+ if (vdhcp_start) {
+ stored->has_dhcpstart = true;
+ stored->dhcpstart = g_strdup(vdhcp_start);
+ }
+
+ if (ipv4) {
+ stored->has_dns = true;
+ stored->dns = g_strdup(inet_ntoa(dns));
+ }
+
+ if (dnssearch) {
+ stored->has_dnssearch = true;
+ StringList **stored_list = &stored->dnssearch;
+
+ for (int i = 0; dnssearch[i]; i++) {
+ String *element = g_new0(String, 1);
+
+ element->str = g_strdup(dnssearch[i]);
+ QAPI_LIST_APPEND(stored_list, element);
+ }
+ }
+
+ if (vdomainname) {
+ stored->has_domainname = true;
+ stored->domainname = g_strdup(vdomainname);
+ }
+
+ if (ipv6) {
+ char addrstr[INET6_ADDRSTRLEN];
+ const char *res;
+
+ stored->has_ipv6_prefix = true;
+ stored->ipv6_prefix = g_strdup(vprefix6);
+
+ stored->has_ipv6_prefixlen = true;
+ stored->ipv6_prefixlen = vprefix6_len;
+
+ res = inet_ntop(AF_INET6, &ip6_host,
+ addrstr, sizeof(addrstr));
+
+ stored->has_ipv6_host = true;
+ stored->ipv6_host = g_strdup(res);
+
+ res = inet_ntop(AF_INET6, &ip6_dns,
+ addrstr, sizeof(addrstr));
+
+ stored->has_ipv6_dns = true;
+ stored->ipv6_dns = g_strdup(res);
+ }
+
+ if (smb_export) {
+ stored->has_smb = true;
+ stored->smb = g_strdup(smb_export);
+ }
+
+ if (vsmbserver) {
+ stored->has_smbserver = true;
+ stored->smbserver = g_strdup(vsmbserver);
+ }
+
+ if (tftp_server_name) {
+ stored->has_tftp_server_name = true;
+ stored->tftp_server_name = g_strdup(tftp_server_name);
+ }
+
snprintf(nc->info_str, sizeof(nc->info_str),
"net=%s,restrict=%s", inet_ntoa(net),
restricted ? "on" : "off");
s->poll_notifier.notify = net_slirp_poll_notify;
main_loop_poll_add_notifier(&s->poll_notifier);
+ stored_hostfwd = &stored->hostfwd;
+ stored_guestfwd = &stored->guestfwd;
+
for (config = slirp_configs; config; config = config->next) {
+ String *element = g_new0(String, 1);
+
+ element->str = g_strdup(config->str);
if (config->flags & SLIRP_CFG_HOSTFWD) {
if (slirp_hostfwd(s, config->str, errp) < 0) {
goto error;
}
+ stored->has_hostfwd = true;
+ QAPI_LIST_APPEND(stored_hostfwd, element);
} else {
if (slirp_guestfwd(s, config->str, errp) < 0) {
goto error;
}
+ stored->has_guestfwd = true;
+ QAPI_LIST_APPEND(stored_guestfwd, element);
}
}
#ifndef _WIN32
NetSocketState *s;
SocketAddress *sa;
SocketAddressType sa_type;
+ NetdevSocketOptions *stored;
sa = socket_local_address(fd, errp);
if (!sa) {
net_socket_rs_init(&s->rs, net_socket_rs_finalize, false);
net_socket_read_poll(s, true);
+ /* Store startup parameters */
+ nc->stored_config = g_new0(NetdevInfo, 1);
+ nc->stored_config->type = NET_BACKEND_SOCKET;
+ stored = &nc->stored_config->u.socket;
+
+ stored->has_fd = true;
+ stored->fd = g_strdup_printf("%d", fd);
+
/* mcast: save bound address as dst */
if (is_connected && mcast != NULL) {
+ stored->has_mcast = true;
+ stored->mcast = g_strdup(mcast);
+
s->dgram_dst = saddr;
snprintf(nc->info_str, sizeof(nc->info_str),
"socket: fd=%d (cloned mcast=%s:%d)",
{
NetClientState *nc;
NetSocketState *s;
+ NetdevSocketOptions *stored;
nc = qemu_new_net_client(&net_socket_info, peer, model, name);
} else {
qemu_set_fd_handler(s->fd, NULL, net_socket_connect, s);
}
+
+ /* Store startup parameters */
+ nc->stored_config = g_new0(NetdevInfo, 1);
+ nc->stored_config->type = NET_BACKEND_SOCKET;
+ stored = &nc->stored_config->u.socket;
+
+ stored->has_fd = true;
+ stored->fd = g_strdup_printf("%d", fd);
+
return s;
}
struct sockaddr_in saddr;
socklen_t len;
int fd;
+ NetdevSocketOptions *stored;
for(;;) {
len = sizeof(saddr);
s->fd = fd;
s->nc.link_down = false;
net_socket_connect(s);
+
+ /* Store additional startup parameters (extend net_socket_listen_init) */
+ stored = &s->nc.stored_config->u.socket;
+
+ stored->has_fd = true;
+ stored->fd = g_strdup_printf("%d", fd);
+
snprintf(s->nc.info_str, sizeof(s->nc.info_str),
"socket: connection from %s:%d",
inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
NetSocketState *s;
struct sockaddr_in saddr;
int fd, ret;
+ NetdevSocketOptions *stored;
if (parse_host_port(&saddr, host_str, errp) < 0) {
return -1;
net_socket_rs_init(&s->rs, net_socket_rs_finalize, false);
qemu_set_fd_handler(s->listen_fd, net_socket_accept, NULL, s);
+
+ /* Store startup parameters */
+ nc->stored_config = g_new0(NetdevInfo, 1);
+ nc->stored_config->type = NET_BACKEND_SOCKET;
+ stored = &nc->stored_config->u.socket;
+
+ stored->has_listen = true;
+ stored->listen = g_strdup(host_str);
+
return 0;
}
NetSocketState *s;
int fd, connected, ret;
struct sockaddr_in saddr;
+ NetdevSocketOptions *stored;
if (parse_host_port(&saddr, host_str, errp) < 0) {
return -1;
return -1;
}
+ /* Store additional startup parameters (extend net_socket_fd_init) */
+ stored = &s->nc.stored_config->u.socket;
+
+ stored->has_connect = true;
+ stored->connect = g_strdup(host_str);
+
snprintf(s->nc.info_str, sizeof(s->nc.info_str),
"socket: connect to %s:%d",
inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
int fd;
struct sockaddr_in saddr;
struct in_addr localaddr, *param_localaddr;
+ NetdevSocketOptions *stored;
if (parse_host_port(&saddr, host_str, errp) < 0) {
return -1;
s->dgram_dst = saddr;
+ /* Store additional startup parameters (extend net_socket_fd_init) */
+ stored = &s->nc.stored_config->u.socket;
+
+ if (!stored->has_mcast) {
+ stored->has_mcast = true;
+ stored->mcast = g_strdup(host_str);
+ }
+
+ if (localaddr_str) {
+ stored->has_localaddr = true;
+ stored->localaddr = g_strdup(localaddr_str);
+ }
+
snprintf(s->nc.info_str, sizeof(s->nc.info_str),
"socket: mcast=%s:%d",
inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
NetSocketState *s;
int fd, ret;
struct sockaddr_in laddr, raddr;
+ NetdevSocketOptions *stored;
if (parse_host_port(&laddr, lhost, errp) < 0) {
return -1;
s->dgram_dst = raddr;
+ /* Store additional startup parameters (extend net_socket_fd_init) */
+ stored = &s->nc.stored_config->u.socket;
+
+ stored->has_localaddr = true;
+ stored->localaddr = g_strdup(lhost);
+
+ stored->has_udp = true;
+ stored->udp = g_strdup(rhost);
+
snprintf(s->nc.info_str, sizeof(s->nc.info_str),
"socket: udp=%s:%d",
inet_ntoa(raddr.sin_addr), ntohs(raddr.sin_port));
NetClientState *nc;
TAPState *s;
tap_win32_overlapped_t *handle;
+ NetdevTapOptions *stored;
if (tap_win32_open(&handle, ifname) < 0) {
printf("tap: Could not open '%s'\n", ifname);
s = DO_UPCAST(TAPState, nc, nc);
+ /* Store startup parameters */
+ nc->stored_config = g_new0(NetdevInfo, 1);
+ nc->stored_config->type = NET_BACKEND_TAP;
+ stored = &nc->stored_config->u.tap;
+
+ stored->has_ifname = true;
+ stored->ifname = g_strdup(ifname);
+
snprintf(s->nc.info_str, sizeof(s->nc.info_str),
"tap: ifname=%s", ifname);
const char *helper, *br;
TAPState *s;
int fd, vnet_hdr;
+ NetdevBridgeOptions *stored;
assert(netdev->type == NET_CLIENT_DRIVER_BRIDGE);
bridge = &netdev->u.bridge;
}
s = net_tap_fd_init(peer, "bridge", name, fd, vnet_hdr);
+ /* Store startup parameters */
+ s->nc.stored_config = g_new0(NetdevInfo, 1);
+ s->nc.stored_config->type = NET_BACKEND_BRIDGE;
+ stored = &s->nc.stored_config->u.bridge;
+
+ if (br) {
+ stored->has_br = true;
+ stored->br = g_strdup(br);
+ }
+
+ if (helper) {
+ stored->has_helper = true;
+ stored->helper = g_strdup(helper);
+ }
+
snprintf(s->nc.info_str, sizeof(s->nc.info_str), "helper=%s,br=%s", helper,
br);
const char *model, const char *name,
const char *ifname, const char *script,
const char *downscript, const char *vhostfdname,
- int vnet_hdr, int fd, Error **errp)
+ int vnet_hdr, int fd, NetdevInfo **common_stored,
+ Error **errp)
{
Error *err = NULL;
TAPState *s = net_tap_fd_init(peer, model, name, fd, vnet_hdr);
int vhostfd;
+ NetdevTapOptions *stored;
tap_set_sndbuf(s->fd, tap, &err);
if (err) {
return;
}
+ /* Store startup parameters */
+ if (!*common_stored) {
+ *common_stored = g_new0(NetdevInfo, 1);
+ (*common_stored)->type = NET_BACKEND_TAP;
+ s->nc.stored_config = *common_stored;
+ }
+ stored = &(*common_stored)->u.tap;
+
+ if (tap->has_sndbuf && !stored->has_sndbuf) {
+ stored->has_sndbuf = true;
+ stored->sndbuf = tap->sndbuf;
+ }
+
+ if (vnet_hdr && !stored->has_vnet_hdr) {
+ stored->has_vnet_hdr = true;
+ stored->vnet_hdr = true;
+ }
+
if (tap->has_fd || tap->has_fds) {
+ if (!stored->has_fds) {
+ stored->has_fds = true;
+ stored->fds = g_strdup_printf("%d", fd);
+ } else {
+ char *tmp_s = stored->fds;
+ stored->fds = g_strdup_printf("%s:%d", stored->fds, fd);
+ g_free(tmp_s);
+ }
+
snprintf(s->nc.info_str, sizeof(s->nc.info_str), "fd=%d", fd);
} else if (tap->has_helper) {
+ if (!stored->has_helper) {
+ stored->has_helper = true;
+ stored->helper = g_strdup(tap->helper);
+ }
+
+ if (!stored->has_br) {
+ stored->has_br = true;
+ stored->br = tap->has_br ? g_strdup(tap->br) :
+ g_strdup(DEFAULT_BRIDGE_INTERFACE);
+ }
+
snprintf(s->nc.info_str, sizeof(s->nc.info_str), "helper=%s",
tap->helper);
} else {
+ if (ifname && !stored->has_ifname) {
+ stored->has_ifname = true;
+ stored->ifname = g_strdup(ifname);
+ }
+
+ if (script && !stored->has_script) {
+ stored->has_script = true;
+ stored->script = g_strdup(script);
+ }
+
+ if (downscript && !stored->has_downscript) {
+ stored->has_downscript = true;
+ stored->downscript = g_strdup(downscript);
+ }
+
snprintf(s->nc.info_str, sizeof(s->nc.info_str),
"ifname=%s,script=%s,downscript=%s", ifname, script,
downscript);
vhostfdname || (tap->has_vhostforce && tap->vhostforce)) {
VhostNetOptions options;
+ stored->has_vhost = true;
+ stored->vhost = true;
+
+ if (tap->has_vhostforce && tap->vhostforce) {
+ stored->has_vhostforce = true;
+ stored->vhostforce = true;
+ }
+
options.backend_type = VHOST_BACKEND_TYPE_KERNEL;
options.net_backend = &s->nc;
if (tap->has_poll_us) {
+ stored->has_poll_us = true;
+ stored->poll_us = tap->poll_us;
+
options.busyloop_timeout = tap->poll_us;
} else {
options.busyloop_timeout = 0;
}
options.opaque = (void *)(uintptr_t)vhostfd;
+ if (!stored->has_vhostfds) {
+ stored->has_vhostfds = true;
+ stored->vhostfds = g_strdup_printf("%d", vhostfd);
+ } else {
+ char *tmp_s = stored->vhostfds;
+ stored->vhostfds = g_strdup_printf("%s:%d", stored->fds, vhostfd);
+ g_free(tmp_s);
+ }
+
s->vhost_net = vhost_net_init(&options);
if (!s->vhost_net) {
if (tap->has_vhostforce && tap->vhostforce) {
const char *vhostfdname;
char ifname[128];
int ret = 0;
+ NetdevInfo *common_stored = NULL; /* will store configuration */
assert(netdev->type == NET_CLIENT_DRIVER_TAP);
tap = &netdev->u.tap;
net_init_tap_one(tap, peer, "tap", name, NULL,
script, downscript,
- vhostfdname, vnet_hdr, fd, &err);
+ vhostfdname, vnet_hdr, fd, &common_stored, &err);
if (err) {
error_propagate(errp, err);
close(fd);
net_init_tap_one(tap, peer, "tap", name, ifname,
script, downscript,
tap->has_vhostfds ? vhost_fds[i] : NULL,
- vnet_hdr, fd, &err);
+ vnet_hdr, fd, &common_stored, &err);
if (err) {
error_propagate(errp, err);
ret = -1;
net_init_tap_one(tap, peer, "bridge", name, ifname,
script, downscript, vhostfdname,
- vnet_hdr, fd, &err);
+ vnet_hdr, fd, &common_stored, &err);
if (err) {
error_propagate(errp, err);
close(fd);
net_init_tap_one(tap, peer, "tap", name, ifname,
i >= 1 ? "no" : script,
i >= 1 ? "no" : downscript,
- vhostfdname, vnet_hdr, fd, &err);
+ vhostfdname, vnet_hdr, fd,
+ &common_stored, &err);
if (err) {
error_propagate(errp, err);
close(fd);
VDECONN *vde;
char *init_group = (char *)group;
char *init_sock = (char *)sock;
+ NetdevVdeOptions *stored;
struct vde_open_args args = {
.port = port,
qemu_set_fd_handler(vde_datafd(s->vde), vde_to_qemu, NULL, s);
+ /* Store startup parameters */
+ nc->stored_config = g_new0(NetdevInfo, 1);
+ nc->stored_config->type = NET_BACKEND_VDE;
+ stored = &nc->stored_config->u.vde;
+
+ if (sock) {
+ stored->has_sock = true;
+ stored->sock = g_strdup(sock);
+ }
+
+ stored->has_port = true;
+ stored->port = port;
+
+ if (group) {
+ stored->has_group = true;
+ stored->group = g_strdup(group);
+ }
+
+ stored->has_mode = true;
+ stored->mode = mode;
+
return 0;
}
}
static int net_vhost_user_init(NetClientState *peer, const char *device,
- const char *name, Chardev *chr,
- int queues)
+ const char *name, const char *chardev,
+ Chardev *chr, int queues)
{
Error *err = NULL;
NetClientState *nc, *nc0 = NULL;
NetVhostUserState *s = NULL;
VhostUserState *user;
int i;
+ NetdevVhostUserOptions *stored;
assert(name);
assert(queues > 0);
assert(s->vhost_net);
+ /* Store startup parameters */
+ nc0->stored_config = g_new0(NetdevInfo, 1);
+ nc0->stored_config->type = NET_BACKEND_VHOST_USER;
+ stored = &nc0->stored_config->u.vhost_user;
+
+ stored->chardev = g_strdup(chardev);
+
+ stored->has_queues = true;
+ stored->queues = queues;
+
return 0;
err:
return -1;
}
- return net_vhost_user_init(peer, "vhost_user", name, chr, queues);
+ return net_vhost_user_init(peer, "vhost_user", name,
+ vhost_user_opts->chardev, chr, queues);
}
VhostVDPAState *s;
int vdpa_device_fd = -1;
int ret = 0;
+ NetdevVhostVDPAOptions *stored;
+
assert(name);
nc = qemu_new_net_client(&net_vhost_vdpa_info, peer, device, name);
+
+ /* Store startup parameters */
+ nc->stored_config = g_new0(NetdevInfo, 1);
+ nc->stored_config->type = NET_BACKEND_VHOST_VDPA;
+ stored = &nc->stored_config->u.vhost_vdpa;
+
+ stored->has_vhostdev = true;
+ stored->vhostdev = g_strdup(vhostdev);
+
+ stored->has_queues = true;
+ stored->queues = 1; /* TODO: change when support multiqueue */
+
snprintf(nc->info_str, sizeof(nc->info_str), TYPE_VHOST_VDPA);
nc->queue_index = 0;
s = DO_UPCAST(VhostVDPAState, nc, nc);
##
{ 'event': 'FAILOVER_NEGOTIATED',
'data': {'device-id': 'str'} }
+
+##
+# @NetBackend:
+#
+# Available netdev backend drivers.
+#
+# Since: 6.0
+##
+{ 'enum': 'NetBackend',
+ 'data': [ 'bridge', 'l2tpv3', 'netmap', 'socket', 'tap', 'user', 'vde',
+ 'vhost-user', 'vhost-vdpa' ] }
+
+##
+# @NetdevInfo:
+#
+# Configuration of a network backend device (netdev).
+#
+# @id: Device identifier.
+#
+# @type: Specify the driver used for interpreting remaining arguments.
+#
+# @peer-id: The connected frontend network device name (absent if no frontend
+# is connected).
+#
+# Since: 6.0
+##
+{ 'union': 'NetdevInfo',
+ 'base': { 'id': 'str',
+ 'type': 'NetBackend',
+ '*peer-id': 'str' },
+ 'discriminator': 'type',
+ 'data': {
+ 'bridge': 'NetdevBridgeOptions',
+ 'l2tpv3': 'NetdevL2TPv3Options',
+ 'netmap': 'NetdevNetmapOptions',
+ 'socket': 'NetdevSocketOptions',
+ 'tap': 'NetdevTapOptions',
+ 'user': 'NetdevUserOptions',
+ 'vde': 'NetdevVdeOptions',
+ 'vhost-user': 'NetdevVhostUserOptions',
+ 'vhost-vdpa': 'NetdevVhostVDPAOptions' } }
+
+##
+# @query-netdev:
+#
+# Get a list of @NetdevInfo for all virtual network backend devices (netdevs).
+#
+# Returns: a list of @NetdevInfo describing each netdev.
+#
+# Since: 6.0
+#
+# Example:
+#
+# -> { "execute": "query-netdev" }
+# <- { "return": [
+# {
+# "ipv6": true,
+# "ipv4": true,
+# "host": "10.0.2.2",
+# "ipv6-dns": "fec0::3",
+# "ipv6-prefix": "fec0::",
+# "net": "10.0.2.0/255.255.255.0",
+# "ipv6-host": "fec0::2",
+# "type": "user",
+# "peer-id": "net0",
+# "dns": "10.0.2.3",
+# "hostfwd": [
+# {
+# "str": "tcp::20004-:22"
+# }
+# ],
+# "ipv6-prefixlen": 64,
+# "id": "netdev0",
+# "restrict": false
+# }
+# ]
+# }
+#
+##
+{ 'command': 'query-netdev', 'returns': ['NetdevInfo'] }
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