return 0;
}
-void qemu_format_nic_info_str(NetClientState *vc, uint8_t macaddr[6])
+void qemu_format_nic_info_str(NetClientState *nc, uint8_t macaddr[6])
{
- snprintf(vc->info_str, sizeof(vc->info_str),
+ snprintf(nc->info_str, sizeof(nc->info_str),
"model=%s,macaddr=%02x:%02x:%02x:%02x:%02x:%02x",
- vc->model,
+ nc->model,
macaddr[0], macaddr[1], macaddr[2],
macaddr[3], macaddr[4], macaddr[5]);
}
* Only net clients created with the legacy -net option need this. Naming is
* mandatory for net clients created with -netdev.
*/
-static char *assign_name(NetClientState *vc1, const char *model)
+static char *assign_name(NetClientState *nc1, const char *model)
{
- NetClientState *vc;
+ NetClientState *nc;
char buf[256];
int id = 0;
- QTAILQ_FOREACH(vc, &net_clients, next) {
- if (vc == vc1) {
+ QTAILQ_FOREACH(nc, &net_clients, next) {
+ if (nc == nc1) {
continue;
}
/* For compatibility only bump id for net clients on a vlan */
- if (strcmp(vc->model, model) == 0 &&
- net_hub_id_for_client(vc, NULL) == 0) {
+ if (strcmp(nc->model, model) == 0 &&
+ net_hub_id_for_client(nc, NULL) == 0) {
id++;
}
}
return g_strdup(buf);
}
-static ssize_t qemu_deliver_packet(NetClientState *sender,
- unsigned flags,
- const uint8_t *data,
- size_t size,
- void *opaque);
-static ssize_t qemu_deliver_packet_iov(NetClientState *sender,
- unsigned flags,
- const struct iovec *iov,
- int iovcnt,
- void *opaque);
-
NetClientState *qemu_new_net_client(NetClientInfo *info,
NetClientState *peer,
const char *model,
const char *name)
{
- NetClientState *vc;
+ NetClientState *nc;
assert(info->size >= sizeof(NetClientState));
- vc = g_malloc0(info->size);
+ nc = g_malloc0(info->size);
- vc->info = info;
- vc->model = g_strdup(model);
+ nc->info = info;
+ nc->model = g_strdup(model);
if (name) {
- vc->name = g_strdup(name);
+ nc->name = g_strdup(name);
} else {
- vc->name = assign_name(vc, model);
+ nc->name = assign_name(nc, model);
}
if (peer) {
assert(!peer->peer);
- vc->peer = peer;
- peer->peer = vc;
+ nc->peer = peer;
+ peer->peer = nc;
}
- QTAILQ_INSERT_TAIL(&net_clients, vc, next);
+ QTAILQ_INSERT_TAIL(&net_clients, nc, next);
- vc->send_queue = qemu_new_net_queue(qemu_deliver_packet,
- qemu_deliver_packet_iov,
- vc);
+ nc->send_queue = qemu_new_net_queue(nc);
- return vc;
+ return nc;
}
NICState *qemu_new_nic(NetClientInfo *info,
return nic;
}
-static void qemu_cleanup_vlan_client(NetClientState *vc)
+static void qemu_cleanup_net_client(NetClientState *nc)
{
- QTAILQ_REMOVE(&net_clients, vc, next);
+ QTAILQ_REMOVE(&net_clients, nc, next);
- if (vc->info->cleanup) {
- vc->info->cleanup(vc);
+ if (nc->info->cleanup) {
+ nc->info->cleanup(nc);
}
}
-static void qemu_free_vlan_client(NetClientState *vc)
+static void qemu_free_net_client(NetClientState *nc)
{
- if (vc->send_queue) {
- qemu_del_net_queue(vc->send_queue);
+ if (nc->send_queue) {
+ qemu_del_net_queue(nc->send_queue);
}
- if (vc->peer) {
- vc->peer->peer = NULL;
+ if (nc->peer) {
+ nc->peer->peer = NULL;
}
- g_free(vc->name);
- g_free(vc->model);
- g_free(vc);
+ g_free(nc->name);
+ g_free(nc->model);
+ g_free(nc);
}
-void qemu_del_vlan_client(NetClientState *vc)
+void qemu_del_net_client(NetClientState *nc)
{
/* If there is a peer NIC, delete and cleanup client, but do not free. */
- if (vc->peer && vc->peer->info->type == NET_CLIENT_OPTIONS_KIND_NIC) {
- NICState *nic = DO_UPCAST(NICState, nc, vc->peer);
+ if (nc->peer && nc->peer->info->type == NET_CLIENT_OPTIONS_KIND_NIC) {
+ NICState *nic = DO_UPCAST(NICState, nc, nc->peer);
if (nic->peer_deleted) {
return;
}
nic->peer_deleted = true;
/* Let NIC know peer is gone. */
- vc->peer->link_down = true;
- if (vc->peer->info->link_status_changed) {
- vc->peer->info->link_status_changed(vc->peer);
+ nc->peer->link_down = true;
+ if (nc->peer->info->link_status_changed) {
+ nc->peer->info->link_status_changed(nc->peer);
}
- qemu_cleanup_vlan_client(vc);
+ qemu_cleanup_net_client(nc);
return;
}
/* If this is a peer NIC and peer has already been deleted, free it now. */
- if (vc->peer && vc->info->type == NET_CLIENT_OPTIONS_KIND_NIC) {
- NICState *nic = DO_UPCAST(NICState, nc, vc);
+ if (nc->peer && nc->info->type == NET_CLIENT_OPTIONS_KIND_NIC) {
+ NICState *nic = DO_UPCAST(NICState, nc, nc);
if (nic->peer_deleted) {
- qemu_free_vlan_client(vc->peer);
+ qemu_free_net_client(nc->peer);
}
}
- qemu_cleanup_vlan_client(vc);
- qemu_free_vlan_client(vc);
+ qemu_cleanup_net_client(nc);
+ qemu_free_net_client(nc);
}
void qemu_foreach_nic(qemu_nic_foreach func, void *opaque)
return 1;
}
-static ssize_t qemu_deliver_packet(NetClientState *sender,
- unsigned flags,
- const uint8_t *data,
- size_t size,
- void *opaque)
+ssize_t qemu_deliver_packet(NetClientState *sender,
+ unsigned flags,
+ const uint8_t *data,
+ size_t size,
+ void *opaque)
{
- NetClientState *vc = opaque;
+ NetClientState *nc = opaque;
ssize_t ret;
- if (vc->link_down) {
+ if (nc->link_down) {
return size;
}
- if (vc->receive_disabled) {
+ if (nc->receive_disabled) {
return 0;
}
- if (flags & QEMU_NET_PACKET_FLAG_RAW && vc->info->receive_raw) {
- ret = vc->info->receive_raw(vc, data, size);
+ if (flags & QEMU_NET_PACKET_FLAG_RAW && nc->info->receive_raw) {
+ ret = nc->info->receive_raw(nc, data, size);
} else {
- ret = vc->info->receive(vc, data, size);
+ ret = nc->info->receive(nc, data, size);
}
if (ret == 0) {
- vc->receive_disabled = 1;
+ nc->receive_disabled = 1;
};
return ret;
}
-void qemu_purge_queued_packets(NetClientState *vc)
+void qemu_purge_queued_packets(NetClientState *nc)
{
- if (!vc->peer) {
+ if (!nc->peer) {
return;
}
- qemu_net_queue_purge(vc->peer->send_queue, vc);
+ qemu_net_queue_purge(nc->peer->send_queue, nc);
}
-void qemu_flush_queued_packets(NetClientState *vc)
+void qemu_flush_queued_packets(NetClientState *nc)
{
- vc->receive_disabled = 0;
+ nc->receive_disabled = 0;
- qemu_net_queue_flush(vc->send_queue);
+ if (qemu_net_queue_flush(nc->send_queue)) {
+ /* We emptied the queue successfully, signal to the IO thread to repoll
+ * the file descriptor (for tap, for example).
+ */
+ qemu_notify_event();
+ }
}
static ssize_t qemu_send_packet_async_with_flags(NetClientState *sender,
buf, size, sent_cb);
}
-void qemu_send_packet(NetClientState *vc, const uint8_t *buf, int size)
+void qemu_send_packet(NetClientState *nc, const uint8_t *buf, int size)
{
- qemu_send_packet_async(vc, buf, size, NULL);
+ qemu_send_packet_async(nc, buf, size, NULL);
}
-ssize_t qemu_send_packet_raw(NetClientState *vc, const uint8_t *buf, int size)
+ssize_t qemu_send_packet_raw(NetClientState *nc, const uint8_t *buf, int size)
{
- return qemu_send_packet_async_with_flags(vc, QEMU_NET_PACKET_FLAG_RAW,
+ return qemu_send_packet_async_with_flags(nc, QEMU_NET_PACKET_FLAG_RAW,
buf, size, NULL);
}
-static ssize_t vc_sendv_compat(NetClientState *vc, const struct iovec *iov,
+static ssize_t nc_sendv_compat(NetClientState *nc, const struct iovec *iov,
int iovcnt)
{
uint8_t buffer[4096];
offset = iov_to_buf(iov, iovcnt, 0, buffer, sizeof(buffer));
- return vc->info->receive(vc, buffer, offset);
+ return nc->info->receive(nc, buffer, offset);
}
-static ssize_t qemu_deliver_packet_iov(NetClientState *sender,
- unsigned flags,
- const struct iovec *iov,
- int iovcnt,
- void *opaque)
+ssize_t qemu_deliver_packet_iov(NetClientState *sender,
+ unsigned flags,
+ const struct iovec *iov,
+ int iovcnt,
+ void *opaque)
{
- NetClientState *vc = opaque;
+ NetClientState *nc = opaque;
+ int ret;
- if (vc->link_down) {
+ if (nc->link_down) {
return iov_size(iov, iovcnt);
}
- if (vc->info->receive_iov) {
- return vc->info->receive_iov(vc, iov, iovcnt);
+ if (nc->receive_disabled) {
+ return 0;
+ }
+
+ if (nc->info->receive_iov) {
+ ret = nc->info->receive_iov(nc, iov, iovcnt);
} else {
- return vc_sendv_compat(vc, iov, iovcnt);
+ ret = nc_sendv_compat(nc, iov, iovcnt);
+ }
+
+ if (ret == 0) {
+ nc->receive_disabled = 1;
}
+
+ return ret;
}
ssize_t qemu_sendv_packet_async(NetClientState *sender,
}
ssize_t
-qemu_sendv_packet(NetClientState *vc, const struct iovec *iov, int iovcnt)
+qemu_sendv_packet(NetClientState *nc, const struct iovec *iov, int iovcnt)
{
- return qemu_sendv_packet_async(vc, iov, iovcnt, NULL);
+ return qemu_sendv_packet_async(nc, iov, iovcnt, NULL);
}
NetClientState *qemu_find_netdev(const char *id)
{
- NetClientState *vc;
+ NetClientState *nc;
- QTAILQ_FOREACH(vc, &net_clients, next) {
- if (vc->info->type == NET_CLIENT_OPTIONS_KIND_NIC)
+ QTAILQ_FOREACH(nc, &net_clients, next) {
+ if (nc->info->type == NET_CLIENT_OPTIONS_KIND_NIC)
continue;
- if (!strcmp(vc->name, id)) {
- return vc;
+ if (!strcmp(nc->name, id)) {
+ return nc;
}
}
{
int i;
- if (!arg || strcmp(arg, "?"))
+ if (!arg || !is_help_option(arg)) {
return 0;
+ }
fprintf(stderr, "qemu: Supported NIC models: ");
for (i = 0 ; models[i]; i++)
void net_host_device_remove(Monitor *mon, const QDict *qdict)
{
- NetClientState *vc;
+ NetClientState *nc;
int vlan_id = qdict_get_int(qdict, "vlan_id");
const char *device = qdict_get_str(qdict, "device");
- vc = net_hub_find_client_by_name(vlan_id, device);
- if (!vc) {
+ nc = net_hub_find_client_by_name(vlan_id, device);
+ if (!nc) {
return;
}
- if (!net_host_check_device(vc->model)) {
+ if (!net_host_check_device(nc->model)) {
monitor_printf(mon, "invalid host network device %s\n", device);
return;
}
- qemu_del_vlan_client(vc);
+ qemu_del_net_client(nc);
}
void netdev_add(QemuOpts *opts, Error **errp)
void qmp_netdev_del(const char *id, Error **errp)
{
- NetClientState *vc;
+ NetClientState *nc;
- vc = qemu_find_netdev(id);
- if (!vc) {
+ nc = qemu_find_netdev(id);
+ if (!nc) {
error_set(errp, QERR_DEVICE_NOT_FOUND, id);
return;
}
- qemu_del_vlan_client(vc);
+ qemu_del_net_client(nc);
qemu_opts_del(qemu_opts_find(qemu_find_opts_err("netdev", errp), id));
}
-static void print_net_client(Monitor *mon, NetClientState *vc)
+void print_net_client(Monitor *mon, NetClientState *nc)
{
- monitor_printf(mon, "%s: type=%s,%s\n", vc->name,
- NetClientOptionsKind_lookup[vc->info->type], vc->info_str);
+ monitor_printf(mon, "%s: type=%s,%s\n", nc->name,
+ NetClientOptionsKind_lookup[nc->info->type], nc->info_str);
}
void do_info_network(Monitor *mon)
{
- NetClientState *vc, *peer;
+ NetClientState *nc, *peer;
NetClientOptionsKind type;
- monitor_printf(mon, "Devices not on any VLAN:\n");
- QTAILQ_FOREACH(vc, &net_clients, next) {
- peer = vc->peer;
- type = vc->info->type;
+ net_hub_info(mon);
+
+ QTAILQ_FOREACH(nc, &net_clients, next) {
+ peer = nc->peer;
+ type = nc->info->type;
+
+ /* Skip if already printed in hub info */
+ if (net_hub_id_for_client(nc, NULL) == 0) {
+ continue;
+ }
+
if (!peer || type == NET_CLIENT_OPTIONS_KIND_NIC) {
- monitor_printf(mon, " ");
- print_net_client(mon, vc);
+ print_net_client(mon, nc);
} /* else it's a netdev connected to a NIC, printed with the NIC */
if (peer && type == NET_CLIENT_OPTIONS_KIND_NIC) {
- monitor_printf(mon, " \\ ");
+ monitor_printf(mon, " \\ ");
print_net_client(mon, peer);
}
}
- net_hub_info(mon);
}
void qmp_set_link(const char *name, bool up, Error **errp)
{
- NetClientState *vc = NULL;
+ NetClientState *nc = NULL;
- QTAILQ_FOREACH(vc, &net_clients, next) {
- if (!strcmp(vc->name, name)) {
+ QTAILQ_FOREACH(nc, &net_clients, next) {
+ if (!strcmp(nc->name, name)) {
goto done;
}
}
done:
- if (!vc) {
+ if (!nc) {
error_set(errp, QERR_DEVICE_NOT_FOUND, name);
return;
}
- vc->link_down = !up;
+ nc->link_down = !up;
- if (vc->info->link_status_changed) {
- vc->info->link_status_changed(vc);
+ if (nc->info->link_status_changed) {
+ nc->info->link_status_changed(nc);
}
/* Notify peer. Don't update peer link status: this makes it possible to
* Current behaviour is compatible with qemu vlans where there could be
* multiple clients that can still communicate with each other in
* disconnected mode. For now maintain this compatibility. */
- if (vc->peer && vc->peer->info->link_status_changed) {
- vc->peer->info->link_status_changed(vc->peer);
+ if (nc->peer && nc->peer->info->link_status_changed) {
+ nc->peer->info->link_status_changed(nc->peer);
}
}
void net_cleanup(void)
{
- NetClientState *vc, *next_vc;
+ NetClientState *nc, *next_vc;
- QTAILQ_FOREACH_SAFE(vc, &net_clients, next, next_vc) {
- qemu_del_vlan_client(vc);
+ QTAILQ_FOREACH_SAFE(nc, &net_clients, next, next_vc) {
+ qemu_del_net_client(nc);
}
}
void net_check_clients(void)
{
- NetClientState *vc;
+ NetClientState *nc;
int i;
/* Don't warn about the default network setup that you get if
net_hub_check_clients();
- QTAILQ_FOREACH(vc, &net_clients, next) {
- if (!vc->peer) {
+ QTAILQ_FOREACH(nc, &net_clients, next) {
+ if (!nc->peer) {
fprintf(stderr, "Warning: %s %s has no peer\n",
- vc->info->type == NET_CLIENT_OPTIONS_KIND_NIC ? "nic" : "netdev",
- vc->name);
+ nc->info->type == NET_CLIENT_OPTIONS_KIND_NIC ?
+ "nic" : "netdev", nc->name);
}
}
projects / qemu.git / blobdiff