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-rw-r--r--hmp-commands.hx30
-rw-r--r--hmp.h3
-rw-r--r--hw/net/e1000.c1
-rw-r--r--hw/net/lance.c3
-rw-r--r--hw/net/ne2000.c2
-rw-r--r--hw/net/pcnet-pci.c1
-rw-r--r--hw/net/pcnet.c1
-rw-r--r--hw/net/rtl8139.c2
-rw-r--r--hw/net/xgmac.c1
-rw-r--r--include/net/net.h4
-rw-r--r--include/net/vhost_net.h3
-rw-r--r--include/sysemu/sysemu.h1
-rw-r--r--monitor.c61
-rw-r--r--net/dump.c102
-rw-r--r--net/net.c239
-rw-r--r--net/tap.c22
-rw-r--r--qapi/net.json29
-rw-r--r--qemu-doc.texi16
-rw-r--r--qemu-options.hx48
-rw-r--r--tests/test-hmp.c2
-rw-r--r--vl.c10
21 files changed, 190 insertions, 391 deletions
diff --git a/hmp-commands.hx b/hmp-commands.hx
index d26eb4119b..964eb515cf 100644
--- a/hmp-commands.hx
+++ b/hmp-commands.hx
@@ -1291,36 +1291,6 @@ Inject PCIe AER error
ETEXI
{
- .name = "host_net_add",
- .args_type = "device:s,opts:s?",
- .params = "tap|user|socket|vde|netmap|bridge|vhost-user|dump [options]",
- .help = "add host VLAN client (deprecated, use netdev_add instead)",
- .cmd = hmp_host_net_add,
- .command_completion = host_net_add_completion,
- },
-
-STEXI
-@item host_net_add
-@findex host_net_add
-Add host VLAN client. Deprecated, please use @code{netdev_add} instead.
-ETEXI
-
- {
- .name = "host_net_remove",
- .args_type = "vlan_id:i,device:s",
- .params = "vlan_id name",
- .help = "remove host VLAN client (deprecated, use netdev_del instead)",
- .cmd = hmp_host_net_remove,
- .command_completion = host_net_remove_completion,
- },
-
-STEXI
-@item host_net_remove
-@findex host_net_remove
-Remove host VLAN client. Deprecated, please use @code{netdev_del} instead.
-ETEXI
-
- {
.name = "netdev_add",
.args_type = "netdev:O",
.params = "[user|tap|socket|vde|bridge|hubport|netmap|vhost-user],id=str[,prop=value][,...]",
diff --git a/hmp.h b/hmp.h
index 1143db44a7..b89733876d 100644
--- a/hmp.h
+++ b/hmp.h
@@ -132,9 +132,6 @@ void migrate_set_capability_completion(ReadLineState *rs, int nb_args,
const char *str);
void migrate_set_parameter_completion(ReadLineState *rs, int nb_args,
const char *str);
-void host_net_add_completion(ReadLineState *rs, int nb_args, const char *str);
-void host_net_remove_completion(ReadLineState *rs, int nb_args,
- const char *str);
void delvm_completion(ReadLineState *rs, int nb_args, const char *str);
void loadvm_completion(ReadLineState *rs, int nb_args, const char *str);
void hmp_rocker(Monitor *mon, const QDict *qdict);
diff --git a/hw/net/e1000.c b/hw/net/e1000.c
index 804ec08721..c7f1695f57 100644
--- a/hw/net/e1000.c
+++ b/hw/net/e1000.c
@@ -30,7 +30,6 @@
#include "hw/pci/pci.h"
#include "net/net.h"
#include "net/checksum.h"
-#include "hw/loader.h"
#include "sysemu/sysemu.h"
#include "sysemu/dma.h"
#include "qemu/iov.h"
diff --git a/hw/net/lance.c b/hw/net/lance.c
index 0028bc525d..a08d5ac6a8 100644
--- a/hw/net/lance.c
+++ b/hw/net/lance.c
@@ -36,10 +36,7 @@
*/
#include "qemu/osdep.h"
-#include "hw/sysbus.h"
-#include "net/net.h"
#include "qemu/timer.h"
-#include "qemu/sockets.h"
#include "hw/sparc/sparc32_dma.h"
#include "hw/net/lance.h"
#include "trace.h"
diff --git a/hw/net/ne2000.c b/hw/net/ne2000.c
index 687ef84aac..3a9fc89e48 100644
--- a/hw/net/ne2000.c
+++ b/hw/net/ne2000.c
@@ -23,10 +23,8 @@
*/
#include "qemu/osdep.h"
#include "hw/pci/pci.h"
-#include "net/net.h"
#include "net/eth.h"
#include "ne2000.h"
-#include "hw/loader.h"
#include "sysemu/sysemu.h"
/* debug NE2000 card */
diff --git a/hw/net/pcnet-pci.c b/hw/net/pcnet-pci.c
index 0ae5ca4701..70dc8b3f0c 100644
--- a/hw/net/pcnet-pci.c
+++ b/hw/net/pcnet-pci.c
@@ -30,7 +30,6 @@
#include "qemu/osdep.h"
#include "hw/pci/pci.h"
#include "net/net.h"
-#include "hw/loader.h"
#include "qemu/timer.h"
#include "sysemu/dma.h"
#include "sysemu/sysemu.h"
diff --git a/hw/net/pcnet.c b/hw/net/pcnet.c
index 606b05c09f..0c44554168 100644
--- a/hw/net/pcnet.c
+++ b/hw/net/pcnet.c
@@ -40,7 +40,6 @@
#include "net/net.h"
#include "net/eth.h"
#include "qemu/timer.h"
-#include "qemu/sockets.h"
#include "sysemu/sysemu.h"
#include "trace.h"
diff --git a/hw/net/rtl8139.c b/hw/net/rtl8139.c
index 1cc95b8cba..46daa16202 100644
--- a/hw/net/rtl8139.c
+++ b/hw/net/rtl8139.c
@@ -58,9 +58,7 @@
#include "qemu/timer.h"
#include "net/net.h"
#include "net/eth.h"
-#include "hw/loader.h"
#include "sysemu/sysemu.h"
-#include "qemu/iov.h"
/* debug RTL8139 card */
//#define DEBUG_RTL8139 1
diff --git a/hw/net/xgmac.c b/hw/net/xgmac.c
index 0843bf185c..fa001563d3 100644
--- a/hw/net/xgmac.c
+++ b/hw/net/xgmac.c
@@ -28,7 +28,6 @@
#include "hw/sysbus.h"
#include "qemu/log.h"
#include "net/net.h"
-#include "net/checksum.h"
#ifdef DEBUG_XGMAC
#define DEBUGF_BRK(message, args...) do { \
diff --git a/include/net/net.h b/include/net/net.h
index 727643032c..a943e968a3 100644
--- a/include/net/net.h
+++ b/include/net/net.h
@@ -204,9 +204,8 @@ extern const char *host_net_devices[];
extern const char *legacy_tftp_prefix;
extern const char *legacy_bootp_filename;
-int net_client_init(QemuOpts *opts, bool is_netdev, Error **errp);
int net_client_parse(QemuOptsList *opts_list, const char *str);
-int net_init_clients(void);
+int net_init_clients(Error **errp);
void net_check_clients(void);
void net_cleanup(void);
void hmp_host_net_add(Monitor *mon, const QDict *qdict);
@@ -228,7 +227,6 @@ void qdev_set_nic_properties(DeviceState *dev, NICInfo *nd);
#define POLYNOMIAL_LE 0xedb88320
uint32_t net_crc32(const uint8_t *p, int len);
uint32_t net_crc32_le(const uint8_t *p, int len);
-unsigned compute_mcast_idx(const uint8_t *ep);
#define vmstate_offset_macaddr(_state, _field) \
vmstate_offset_array(_state, _field.a, uint8_t, \
diff --git a/include/net/vhost_net.h b/include/net/vhost_net.h
index afc1499eb9..77e47398c4 100644
--- a/include/net/vhost_net.h
+++ b/include/net/vhost_net.h
@@ -4,6 +4,9 @@
#include "net/net.h"
#include "hw/virtio/vhost-backend.h"
+#define VHOST_NET_INIT_FAILED \
+ "vhost-net requested but could not be initialized"
+
struct vhost_net;
typedef struct vhost_net VHostNetState;
diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h
index bfbef9e69c..d24ad09f37 100644
--- a/include/sysemu/sysemu.h
+++ b/include/sysemu/sysemu.h
@@ -198,6 +198,7 @@ extern QemuOptsList bdrv_runtime_opts;
extern QemuOptsList qemu_chardev_opts;
extern QemuOptsList qemu_device_opts;
extern QemuOptsList qemu_netdev_opts;
+extern QemuOptsList qemu_nic_opts;
extern QemuOptsList qemu_net_opts;
extern QemuOptsList qemu_global_opts;
extern QemuOptsList qemu_mon_opts;
diff --git a/monitor.c b/monitor.c
index 57957b3969..a4417f26cd 100644
--- a/monitor.c
+++ b/monitor.c
@@ -3581,67 +3581,6 @@ void migrate_set_parameter_completion(ReadLineState *rs, int nb_args,
}
}
-void host_net_add_completion(ReadLineState *rs, int nb_args, const char *str)
-{
- int i;
- size_t len;
- if (nb_args != 2) {
- return;
- }
- len = strlen(str);
- readline_set_completion_index(rs, len);
- for (i = 0; host_net_devices[i]; i++) {
- if (!strncmp(host_net_devices[i], str, len)) {
- readline_add_completion(rs, host_net_devices[i]);
- }
- }
-}
-
-void host_net_remove_completion(ReadLineState *rs, int nb_args, const char *str)
-{
- NetClientState *ncs[MAX_QUEUE_NUM];
- int count, i, len;
-
- len = strlen(str);
- readline_set_completion_index(rs, len);
- if (nb_args == 2) {
- count = qemu_find_net_clients_except(NULL, ncs,
- NET_CLIENT_DRIVER_NONE,
- MAX_QUEUE_NUM);
- for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
- int id;
- char name[16];
-
- if (net_hub_id_for_client(ncs[i], &id)) {
- continue;
- }
- snprintf(name, sizeof(name), "%d", id);
- if (!strncmp(str, name, len)) {
- readline_add_completion(rs, name);
- }
- }
- return;
- } else if (nb_args == 3) {
- count = qemu_find_net_clients_except(NULL, ncs,
- NET_CLIENT_DRIVER_NIC,
- MAX_QUEUE_NUM);
- for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) {
- int id;
- const char *name;
-
- if (ncs[i]->info->type == NET_CLIENT_DRIVER_HUBPORT ||
- net_hub_id_for_client(ncs[i], &id)) {
- continue;
- }
- name = ncs[i]->name;
- if (!strncmp(str, name, len)) {
- readline_add_completion(rs, name);
- }
- }
- return;
- }
-}
-
static void vm_completion(ReadLineState *rs, const char *str)
{
size_t len;
diff --git a/net/dump.c b/net/dump.c
index 15df9a4973..f16c3545e9 100644
--- a/net/dump.c
+++ b/net/dump.c
@@ -109,7 +109,7 @@ static int net_dump_state_init(DumpState *s, const char *filename,
fd = open(filename, O_CREAT | O_TRUNC | O_WRONLY | O_BINARY, 0644);
if (fd < 0) {
- error_setg_errno(errp, errno, "-net dump: can't open %s", filename);
+ error_setg_errno(errp, errno, "net dump: can't open %s", filename);
return -1;
}
@@ -122,7 +122,7 @@ static int net_dump_state_init(DumpState *s, const char *filename,
hdr.linktype = 1;
if (write(fd, &hdr, sizeof(hdr)) < sizeof(hdr)) {
- error_setg_errno(errp, errno, "-net dump write error");
+ error_setg_errno(errp, errno, "net dump write error");
close(fd);
return -1;
}
@@ -136,104 +136,6 @@ static int net_dump_state_init(DumpState *s, const char *filename,
return 0;
}
-/* Dumping via VLAN netclient */
-
-struct DumpNetClient {
- NetClientState nc;
- DumpState ds;
-};
-typedef struct DumpNetClient DumpNetClient;
-
-static ssize_t dumpclient_receive(NetClientState *nc, const uint8_t *buf,
- size_t size)
-{
- DumpNetClient *dc = DO_UPCAST(DumpNetClient, nc, nc);
- struct iovec iov = {
- .iov_base = (void *)buf,
- .iov_len = size
- };
-
- return dump_receive_iov(&dc->ds, &iov, 1);
-}
-
-static ssize_t dumpclient_receive_iov(NetClientState *nc,
- const struct iovec *iov, int cnt)
-{
- DumpNetClient *dc = DO_UPCAST(DumpNetClient, nc, nc);
-
- return dump_receive_iov(&dc->ds, iov, cnt);
-}
-
-static void dumpclient_cleanup(NetClientState *nc)
-{
- DumpNetClient *dc = DO_UPCAST(DumpNetClient, nc, nc);
-
- dump_cleanup(&dc->ds);
-}
-
-static NetClientInfo net_dump_info = {
- .type = NET_CLIENT_DRIVER_DUMP,
- .size = sizeof(DumpNetClient),
- .receive = dumpclient_receive,
- .receive_iov = dumpclient_receive_iov,
- .cleanup = dumpclient_cleanup,
-};
-
-int net_init_dump(const Netdev *netdev, const char *name,
- NetClientState *peer, Error **errp)
-{
- int len, rc;
- const char *file;
- char def_file[128];
- const NetdevDumpOptions *dump;
- NetClientState *nc;
- DumpNetClient *dnc;
-
- assert(netdev->type == NET_CLIENT_DRIVER_DUMP);
- dump = &netdev->u.dump;
-
- assert(peer);
-
- error_report("'-net dump' is deprecated. "
- "Please use '-object filter-dump' instead.");
-
- if (dump->has_file) {
- file = dump->file;
- } else {
- int id;
- int ret;
-
- ret = net_hub_id_for_client(peer, &id);
- assert(ret == 0); /* peer must be on a hub */
-
- snprintf(def_file, sizeof(def_file), "qemu-vlan%d.pcap", id);
- file = def_file;
- }
-
- if (dump->has_len) {
- if (dump->len > INT_MAX) {
- error_setg(errp, "invalid length: %"PRIu64, dump->len);
- return -1;
- }
- len = dump->len;
- } else {
- len = 65536;
- }
-
- nc = qemu_new_net_client(&net_dump_info, peer, "dump", name);
- snprintf(nc->info_str, sizeof(nc->info_str),
- "dump to %s (len=%d)", file, len);
-
- dnc = DO_UPCAST(DumpNetClient, nc, nc);
- rc = net_dump_state_init(&dnc->ds, file, len, errp);
- if (rc) {
- qemu_del_net_client(nc);
- }
- return rc;
-}
-
-/* Dumping via filter */
-
#define TYPE_FILTER_DUMP "filter-dump"
#define FILTER_DUMP(obj) \
diff --git a/net/net.c b/net/net.c
index 547c499110..5222e45069 100644
--- a/net/net.c
+++ b/net/net.c
@@ -60,26 +60,6 @@
static VMChangeStateEntry *net_change_state_entry;
static QTAILQ_HEAD(, NetClientState) net_clients;
-const char *host_net_devices[] = {
- "tap",
- "socket",
- "dump",
-#ifdef CONFIG_NET_BRIDGE
- "bridge",
-#endif
-#ifdef CONFIG_NETMAP
- "netmap",
-#endif
-#ifdef CONFIG_SLIRP
- "user",
-#endif
-#ifdef CONFIG_VDE
- "vde",
-#endif
- "vhost-user",
- NULL,
-};
-
/***********************************************************/
/* network device redirectors */
@@ -967,7 +947,6 @@ static int (* const net_client_init_fun[NET_CLIENT_DRIVER__MAX])(
#ifdef CONFIG_NETMAP
[NET_CLIENT_DRIVER_NETMAP] = net_init_netmap,
#endif
- [NET_CLIENT_DRIVER_DUMP] = net_init_dump,
#ifdef CONFIG_NET_BRIDGE
[NET_CLIENT_DRIVER_BRIDGE] = net_init_bridge,
#endif
@@ -993,8 +972,7 @@ static int net_client_init1(const void *object, bool is_netdev, Error **errp)
netdev = object;
name = netdev->id;
- if (netdev->type == NET_CLIENT_DRIVER_DUMP ||
- netdev->type == NET_CLIENT_DRIVER_NIC ||
+ if (netdev->type == NET_CLIENT_DRIVER_NIC ||
!net_client_init_fun[netdev->type]) {
error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "type",
"a netdev backend type");
@@ -1036,10 +1014,6 @@ static int net_client_init1(const void *object, bool is_netdev, Error **errp)
legacy.type = NET_CLIENT_DRIVER_VDE;
legacy.u.vde = opts->u.vde;
break;
- case NET_LEGACY_OPTIONS_TYPE_DUMP:
- legacy.type = NET_CLIENT_DRIVER_DUMP;
- legacy.u.dump = opts->u.dump;
- break;
case NET_LEGACY_OPTIONS_TYPE_BRIDGE:
legacy.type = NET_CLIENT_DRIVER_BRIDGE;
legacy.u.bridge = opts->u.bridge;
@@ -1086,15 +1060,50 @@ static int net_client_init1(const void *object, bool is_netdev, Error **errp)
return 0;
}
+static void show_netdevs(void)
+{
+ int idx;
+ const char *available_netdevs[] = {
+ "socket",
+ "hubport",
+ "tap",
+#ifdef CONFIG_SLIRP
+ "user",
+#endif
+#ifdef CONFIG_L2TPV3
+ "l2tpv3",
+#endif
+#ifdef CONFIG_VDE
+ "vde",
+#endif
+#ifdef CONFIG_NET_BRIDGE
+ "bridge",
+#endif
+#ifdef CONFIG_NETMAP
+ "netmap",
+#endif
+#ifdef CONFIG_POSIX
+ "vhost-user",
+#endif
+ };
-int net_client_init(QemuOpts *opts, bool is_netdev, Error **errp)
+ printf("Available netdev backend types:\n");
+ for (idx = 0; idx < ARRAY_SIZE(available_netdevs); idx++) {
+ puts(available_netdevs[idx]);
+ }
+}
+
+static int net_client_init(QemuOpts *opts, bool is_netdev, Error **errp)
{
void *object = NULL;
Error *err = NULL;
int ret = -1;
Visitor *v = opts_visitor_new(opts);
- {
+ if (is_netdev && is_help_option(qemu_opt_get(opts, "type"))) {
+ show_netdevs();
+ exit(0);
+ } else {
/* Parse convenience option format ip6-net=fec0::0[/64] */
const char *ip6_net = qemu_opt_get(opts, "ipv6-net");
@@ -1146,81 +1155,6 @@ int net_client_init(QemuOpts *opts, bool is_netdev, Error **errp)
return ret;
}
-
-static int net_host_check_device(const char *device)
-{
- int i;
- for (i = 0; host_net_devices[i]; i++) {
- if (!strncmp(host_net_devices[i], device,
- strlen(host_net_devices[i]))) {
- return 1;
- }
- }
-
- return 0;
-}
-
-void hmp_host_net_add(Monitor *mon, const QDict *qdict)
-{
- const char *device = qdict_get_str(qdict, "device");
- const char *opts_str = qdict_get_try_str(qdict, "opts");
- Error *local_err = NULL;
- QemuOpts *opts;
- static bool warned;
-
- if (!warned && !qtest_enabled()) {
- error_report("host_net_add is deprecated, use netdev_add instead");
- warned = true;
- }
-
- if (!net_host_check_device(device)) {
- monitor_printf(mon, "invalid host network device %s\n", device);
- return;
- }
-
- opts = qemu_opts_parse_noisily(qemu_find_opts("net"),
- opts_str ? opts_str : "", false);
- if (!opts) {
- return;
- }
-
- qemu_opt_set(opts, "type", device, &error_abort);
-
- net_client_init(opts, false, &local_err);
- if (local_err) {
- error_report_err(local_err);
- monitor_printf(mon, "adding host network device %s failed\n", device);
- }
-}
-
-void hmp_host_net_remove(Monitor *mon, const QDict *qdict)
-{
- NetClientState *nc;
- int vlan_id = qdict_get_int(qdict, "vlan_id");
- const char *device = qdict_get_str(qdict, "device");
- static bool warned;
-
- if (!warned && !qtest_enabled()) {
- error_report("host_net_remove is deprecated, use netdev_del instead");
- warned = true;
- }
-
- nc = net_hub_find_client_by_name(vlan_id, device);
- if (!nc) {
- error_report("Host network device '%s' on hub '%d' not found",
- device, vlan_id);
- return;
- }
- if (nc->info->type == NET_CLIENT_DRIVER_NIC) {
- error_report("invalid host network device '%s'", device);
- return;
- }
-
- qemu_del_net_client(nc->peer);
- qemu_del_net_client(nc);
- qemu_opts_del(qemu_opts_find(qemu_find_opts("net"), device));
-}
-
void netdev_add(QemuOpts *opts, Error **errp)
{
net_client_init(opts, true, errp);
@@ -1520,46 +1454,92 @@ void net_check_clients(void)
static int net_init_client(void *dummy, QemuOpts *opts, Error **errp)
{
- Error *local_err = NULL;
-
- net_client_init(opts, false, &local_err);
- if (local_err) {
- error_report_err(local_err);
- return -1;
- }
-
- return 0;
+ return net_client_init(opts, false, errp);
}
static int net_init_netdev(void *dummy, QemuOpts *opts, Error **errp)
{
- Error *local_err = NULL;
- int ret;
+ return net_client_init(opts, true, errp);
+}
- ret = net_client_init(opts, true, &local_err);
- if (local_err) {
- error_report_err(local_err);
+/* For the convenience "--nic" parameter */
+static int net_param_nic(void *dummy, QemuOpts *opts, Error **errp)
+{
+ char *mac, *nd_id;
+ int idx, ret;
+ NICInfo *ni;
+ const char *type;
+
+ type = qemu_opt_get(opts, "type");
+ if (type && g_str_equal(type, "none")) {
+ return 0; /* Nothing to do, default_net is cleared in vl.c */
+ }
+
+ idx = nic_get_free_idx();
+ if (idx == -1 || nb_nics >= MAX_NICS) {
+ error_setg(errp, "no more on-board/default NIC slots available");
return -1;
}
+ if (!type) {
+ qemu_opt_set(opts, "type", "user", &error_abort);
+ }
+
+ ni = &nd_table[idx];
+ memset(ni, 0, sizeof(*ni));
+ ni->model = qemu_opt_get_del(opts, "model");
+
+ /* Create an ID if the user did not specify one */
+ nd_id = g_strdup(qemu_opts_id(opts));
+ if (!nd_id) {
+ nd_id = g_strdup_printf("__org.qemu.nic%i\n", idx);
+ qemu_opts_set_id(opts, nd_id);
+ }
+
+ /* Handle MAC address */
+ mac = qemu_opt_get_del(opts, "mac");
+ if (mac) {
+ ret = net_parse_macaddr(ni->macaddr.a, mac);
+ g_free(mac);
+ if (ret) {
+ error_setg(errp, "invalid syntax for ethernet address");
+ return -1;
+ }
+ if (is_multicast_ether_addr(ni->macaddr.a)) {
+ error_setg(errp, "NIC cannot have multicast MAC address");
+ return -1;
+ }
+ }
+ qemu_macaddr_default_if_unset(&ni->macaddr);
+
+ ret = net_client_init(opts, true, errp);
+ if (ret == 0) {
+ ni->netdev = qemu_find_netdev(nd_id);
+ ni->used = true;
+ nb_nics++;
+ }
+
+ g_free(nd_id);
return ret;
}
-int net_init_clients(void)
+int net_init_clients(Error **errp)
{
- QemuOptsList *net = qemu_find_opts("net");
-
net_change_state_entry =
qemu_add_vm_change_state_handler(net_vm_change_state_handler, NULL);
QTAILQ_INIT(&net_clients);
if (qemu_opts_foreach(qemu_find_opts("netdev"),
- net_init_netdev, NULL, NULL)) {
+ net_init_netdev, NULL, errp)) {
+ return -1;
+ }
+
+ if (qemu_opts_foreach(qemu_find_opts("nic"), net_param_nic, NULL, errp)) {
return -1;
}
- if (qemu_opts_foreach(net, net_init_client, NULL, NULL)) {
+ if (qemu_opts_foreach(qemu_find_opts("net"), net_init_client, NULL, errp)) {
return -1;
}
@@ -1634,6 +1614,19 @@ QemuOptsList qemu_netdev_opts = {
},
};
+QemuOptsList qemu_nic_opts = {
+ .name = "nic",
+ .implied_opt_name = "type",
+ .head = QTAILQ_HEAD_INITIALIZER(qemu_nic_opts.head),
+ .desc = {
+ /*
+ * no elements => accept any params
+ * validation will happen later
+ */
+ { /* end of list */ }
+ },
+};
+
QemuOptsList qemu_net_opts = {
.name = "net",
.implied_opt_name = "type",
diff --git a/net/tap.c b/net/tap.c
index 979e622e60..2b3a36f9b5 100644
--- a/net/tap.c
+++ b/net/tap.c
@@ -686,14 +686,23 @@ static void net_init_tap_one(const NetdevTapOptions *tap, NetClientState *peer,
if (vhostfdname) {
vhostfd = monitor_fd_param(cur_mon, vhostfdname, &err);
if (vhostfd == -1) {
- error_propagate(errp, err);
+ if (tap->has_vhostforce && tap->vhostforce) {
+ error_propagate(errp, err);
+ } else {
+ warn_report_err(err);
+ }
return;
}
} else {
vhostfd = open("/dev/vhost-net", O_RDWR);
if (vhostfd < 0) {
- error_setg_errno(errp, errno,
- "tap: open vhost char device failed");
+ if (tap->has_vhostforce && tap->vhostforce) {
+ error_setg_errno(errp, errno,
+ "tap: open vhost char device failed");
+ } else {
+ warn_report("tap: open vhost char device failed: %s",
+ strerror(errno));
+ }
return;
}
fcntl(vhostfd, F_SETFL, O_NONBLOCK);
@@ -702,8 +711,11 @@ static void net_init_tap_one(const NetdevTapOptions *tap, NetClientState *peer,
s->vhost_net = vhost_net_init(&options);
if (!s->vhost_net) {
- error_setg(errp,
- "vhost-net requested but could not be initialized");
+ if (tap->has_vhostforce && tap->vhostforce) {
+ error_setg(errp, VHOST_NET_INIT_FAILED);
+ } else {
+ warn_report(VHOST_NET_INIT_FAILED);
+ }
return;
}
} else if (vhostfdname) {
diff --git a/qapi/net.json b/qapi/net.json
index 1238ba5de1..9117c56972 100644
--- a/qapi/net.json
+++ b/qapi/net.json
@@ -39,8 +39,8 @@
#
# Add a network backend.
#
-# @type: the type of network backend. Current valid values are 'user', 'tap',
-# 'vde', 'socket', 'dump' and 'bridge'
+# @type: the type of network backend. Possible values are listed in
+# NetClientDriver (excluding 'none' and 'nic')
#
# @id: the name of the new network backend
#
@@ -372,23 +372,6 @@
'*mode': 'uint16' } }
##
-# @NetdevDumpOptions:
-#
-# Dump VLAN network traffic to a file.
-#
-# @len: per-packet size limit (64k default). Understands [TGMKkb]
-# suffixes.
-#
-# @file: dump file path (default is qemu-vlan0.pcap)
-#
-# Since: 1.2
-##
-{ 'struct': 'NetdevDumpOptions',
- 'data': {
- '*len': 'size',
- '*file': 'str' } }
-
-##
# @NetdevBridgeOptions:
#
# Connect a host TAP network interface to a host bridge device.
@@ -466,9 +449,11 @@
# Available netdev drivers.
#
# Since: 2.7
+#
+# 'dump' - removed with 2.12
##
{ 'enum': 'NetClientDriver',
- 'data': [ 'none', 'nic', 'user', 'tap', 'l2tpv3', 'socket', 'vde', 'dump',
+ 'data': [ 'none', 'nic', 'user', 'tap', 'l2tpv3', 'socket', 'vde',
'bridge', 'hubport', 'netmap', 'vhost-user' ] }
##
@@ -495,7 +480,6 @@
'l2tpv3': 'NetdevL2TPv3Options',
'socket': 'NetdevSocketOptions',
'vde': 'NetdevVdeOptions',
- 'dump': 'NetdevDumpOptions',
'bridge': 'NetdevBridgeOptions',
'hubport': 'NetdevHubPortOptions',
'netmap': 'NetdevNetmapOptions',
@@ -530,7 +514,7 @@
##
{ 'enum': 'NetLegacyOptionsType',
'data': ['none', 'nic', 'user', 'tap', 'l2tpv3', 'socket', 'vde',
- 'dump', 'bridge', 'netmap', 'vhost-user'] }
+ 'bridge', 'netmap', 'vhost-user'] }
##
# @NetLegacyOptions:
@@ -550,7 +534,6 @@
'l2tpv3': 'NetdevL2TPv3Options',
'socket': 'NetdevSocketOptions',
'vde': 'NetdevVdeOptions',
- 'dump': 'NetdevDumpOptions',
'bridge': 'NetdevBridgeOptions',
'netmap': 'NetdevNetmapOptions',
'vhost-user': 'NetdevVhostUserOptions' } }
diff --git a/qemu-doc.texi b/qemu-doc.texi
index b3c2763624..4fcc85acc7 100644
--- a/qemu-doc.texi
+++ b/qemu-doc.texi
@@ -2707,12 +2707,6 @@ that can be specified with the ``-device'' parameter.
The drive addr argument is replaced by the the addr argument
that can be specified with the ``-device'' parameter.
-@subsection -net dump (since 2.10.0)
-
-The ``--net dump'' argument is now replaced with the
-``-object filter-dump'' argument which works in combination
-with the modern ``-netdev`` backends instead.
-
@subsection -usbdevice (since 2.10.0)
The ``-usbdevice DEV'' argument is now a synonym for setting
@@ -2766,16 +2760,6 @@ from qcow2 images.
The ``query-cpus'' command is replaced by the ``query-cpus-fast'' command.
-@section System emulator human monitor commands
-
-@subsection host_net_add (since 2.10.0)
-
-The ``host_net_add'' command is replaced by the ``netdev_add'' command.
-
-@subsection host_net_remove (since 2.10.0)
-
-The ``host_net_remove'' command is replaced by the ``netdev_del'' command.
-
@section System emulator devices
@subsection ivshmem (since 2.6.0)
diff --git a/qemu-options.hx b/qemu-options.hx
index fea949dd56..2a22a62f74 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -1998,19 +1998,40 @@ DEF("netdev", HAS_ARG, QEMU_OPTION_netdev,
" VALE port (created on the fly) called 'name' ('nmname' is name of the \n"
" netmap device, defaults to '/dev/netmap')\n"
#endif
+#ifdef CONFIG_POSIX
"-netdev vhost-user,id=str,chardev=dev[,vhostforce=on|off]\n"
" configure a vhost-user network, backed by a chardev 'dev'\n"
+#endif
"-netdev hubport,id=str,hubid=n[,netdev=nd]\n"
" configure a hub port on QEMU VLAN 'n'\n", QEMU_ARCH_ALL)
+DEF("nic", HAS_ARG, QEMU_OPTION_nic,
+ "--nic [tap|bridge|"
+#ifdef CONFIG_SLIRP
+ "user|"
+#endif
+#ifdef __linux__
+ "l2tpv3|"
+#endif
+#ifdef CONFIG_VDE
+ "vde|"
+#endif
+#ifdef CONFIG_NETMAP
+ "netmap|"
+#endif
+#ifdef CONFIG_POSIX
+ "vhost-user|"
+#endif
+ "socket][,option][,...][mac=macaddr]\n"
+ " initialize an on-board / default host NIC (using MAC address\n"
+ " macaddr) and connect it to the given host network backend\n"
+ "--nic none use it alone to have zero network devices (the default is to\n"
+ " provided a 'user' network connection)\n",
+ QEMU_ARCH_ALL)
DEF("net", HAS_ARG, QEMU_OPTION_net,
"-net nic[,vlan=n][,netdev=nd][,macaddr=mac][,model=type][,name=str][,addr=str][,vectors=v]\n"
" configure or create an on-board (or machine default) NIC and\n"
" connect it either to VLAN 'n' or the netdev 'nd' (for pluggable\n"
" NICs please use '-device devtype,netdev=nd' instead)\n"
- "-net dump[,vlan=n][,file=f][,len=n]\n"
- " dump traffic on vlan 'n' to file 'f' (max n bytes per packet)\n"
- "-net none use it alone to have zero network devices. If no -net option\n"
- " is provided, the default is '-net nic -net user'\n"
"-net ["
#ifdef CONFIG_SLIRP
"user|"
@@ -2456,16 +2477,17 @@ qemu -m 512 -object memory-backend-file,id=mem,size=512M,mem-path=/hugetlbfs,sha
-device virtio-net-pci,netdev=net0
@end example
-@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
-libpcap, so it can be analyzed with tools such as tcpdump or Wireshark.
-Note: For devices created with '-netdev', use '-object filter-dump,...' instead.
+@item --nic [tap|bridge|user|l2tpv3|vde|netmap|vhost-user|socket][,...][,mac=macaddr]
+
+This option is a shortcut for setting both, the on-board (default) guest NIC
+hardware and the host network backend in one go. The host backend options are
+the same as with the corresponding @option{--netdev} option. The guest NIC
+hardware MAC address can be set with @option{mac=@var{macaddr}}.
-@item -net none
-Indicate that no network devices should be configured. It is used to
-override the default configuration (@option{-net nic -net user}) which
-is activated if no @option{-net} options are provided.
+@item --nic none
+Indicate that no network devices should be configured. It is used to override
+the default configuration (default NIC with @option{--net user} backend) which
+is activated if no other networking options are provided.
ETEXI
STEXI
diff --git a/tests/test-hmp.c b/tests/test-hmp.c
index 5b7e447b6a..5352c9c088 100644
--- a/tests/test-hmp.c
+++ b/tests/test-hmp.c
@@ -37,10 +37,8 @@ static const char *hmp_cmds[] = {
"dump-guest-memory /dev/null 0 4096",
"dump-guest-memory /dev/null",
"gdbserver",
- "host_net_add user id=net0",
"hostfwd_add tcp::43210-:43210",
"hostfwd_remove tcp::43210-:43210",
- "host_net_remove 0 net0",
"i /w 0",
"log all",
"log none",
diff --git a/vl.c b/vl.c
index 2149a9abea..f98ec983e8 100644
--- a/vl.c
+++ b/vl.c
@@ -3093,6 +3093,7 @@ int main(int argc, char **argv, char **envp)
qemu_add_opts(&qemu_chardev_opts);
qemu_add_opts(&qemu_device_opts);
qemu_add_opts(&qemu_netdev_opts);
+ qemu_add_opts(&qemu_nic_opts);
qemu_add_opts(&qemu_net_opts);
qemu_add_opts(&qemu_rtc_opts);
qemu_add_opts(&qemu_global_opts);
@@ -3313,6 +3314,12 @@ int main(int argc, char **argv, char **envp)
exit(1);
}
break;
+ case QEMU_OPTION_nic:
+ default_net = 0;
+ if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
+ exit(1);
+ }
+ break;
case QEMU_OPTION_net:
default_net = 0;
if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
@@ -4491,7 +4498,8 @@ int main(int argc, char **argv, char **envp)
colo_info_init();
- if (net_init_clients() < 0) {
+ if (net_init_clients(&err) < 0) {
+ error_report_err(err);
exit(1);
}