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-----BEGIN PGP SIGNATURE----- 

Version: GnuPG v1
 
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Merge remote-tracking branch 'remotes/jasowang/tags/net-pull-request' into staging

# gpg: Signature made Mon 05 Mar 2018 03:06:59 GMT
# gpg:                using RSA key EF04965B398D6211
# gpg: Good signature from "Jason Wang (Jason Wang on RedHat) <jasowang@redhat.com>"
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg:          It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 215D 46F4 8246 689E C77F  3562 EF04 965B 398D 6211

* remotes/jasowang/tags/net-pull-request:
  tap: setting error appropriately when calling net_init_tap_one()
  hw/net: Remove unnecessary header includes
  net: Add a new convenience option "--nic" to configure default/on-board NICs
  net: Remove the deprecated 'host_net_add' and 'host_net_remove' HMP commands
  net: Remove the deprecated way of dumping network packets
  net: Make net_client_init() static
  net: Only show vhost-user in the help text if CONFIG_POSIX is defined
  net: List available netdevs with "-netdev help"
  net: Move error reporting from net_init_client/netdev to the calling site

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2018-03-05 14:27:24 +00:00
parent 4a22592e32 46d4d36d0b
commit 41dfc0dc55
21 changed files with 190 additions and 391 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
hmp-commands.hx
View File

@ -1288,36 +1288,6 @@ STEXI
@item pcie_aer_inject_error
@findex pcie_aer_inject_error
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
{

3
hmp.h
View File

@ -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);

1
hw/net/e1000.c
View File

@ -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"

3
hw/net/lance.c
View File

@ -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"

2
hw/net/ne2000.c
View File

@ -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 */

1
hw/net/pcnet-pci.c
View File

@ -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"

1
hw/net/pcnet.c
View File

@ -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"

2
hw/net/rtl8139.c
View File

@ -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

1
hw/net/xgmac.c
View File

@ -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 { \

4
include/net/net.h
View File

@ -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, \

3
include/net/vhost_net.h
View File

@ -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;

1
include/sysemu/sysemu.h
View File

@ -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;

61
monitor.c
View File

@ -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;

102
net/dump.c
View File

@ -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) \

239
net/net.c
View File

@ -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(net, net_init_client, NULL, NULL)) {
if (qemu_opts_foreach(qemu_find_opts("nic"), net_param_nic, NULL, errp)) {
return -1;
}
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",

22
net/tap.c
View File

@ -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) {

29
qapi/net.json
View File

@ -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
#
@ -371,23 +371,6 @@
'*group': 'str',
'*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:
#
@ -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' } }

16
qemu-doc.texi
View File

@ -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)

48
qemu-options.hx
View File

@ -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]
@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.
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 --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

2
tests/test-hmp.c
View File

@ -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",

10
vl.c
View File

@ -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);
}