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authorStefan Hajnoczi <stefanha@linux.vnet.ibm.com>2012-07-24 16:35:05 +0100
committerStefan Hajnoczi <stefanha@linux.vnet.ibm.com>2012-08-01 12:28:51 +0100
commitd33d93b2c40b820c2cfab1e2e6da631f12091957 (patch)
treea63f93f8c768b451774c11b59c41dc074d2d22a0 /net
parentf6c874e3002b944f83d887b84051654e5c5b7821 (diff)
downloadhqemu-d33d93b2c40b820c2cfab1e2e6da631f12091957.zip
hqemu-d33d93b2c40b820c2cfab1e2e6da631f12091957.tar.gz
net: Use hubs for the vlan feature
Stop using the special-case vlan code in net.c. Instead use the hub net client to implement the vlan feature. The next patch will remove vlan code from net.c completely. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Diffstat (limited to 'net')
-rw-r--r--net/dump.c19
-rw-r--r--net/dump.h2
-rw-r--r--net/hub.c6
-rw-r--r--net/hub.h2
-rw-r--r--net/slirp.c8
-rw-r--r--net/slirp.h2
-rw-r--r--net/socket.c48
-rw-r--r--net/socket.h2
-rw-r--r--net/tap-win32.c8
-rw-r--r--net/tap.c12
-rw-r--r--net/tap.h4
-rw-r--r--net/vde.c8
-rw-r--r--net/vde.h2
13 files changed, 65 insertions, 58 deletions
diff --git a/net/dump.c b/net/dump.c
index b575430..9d7bf3b 100644
--- a/net/dump.c
+++ b/net/dump.c
@@ -27,6 +27,7 @@
#include "qemu-error.h"
#include "qemu-log.h"
#include "qemu-timer.h"
+#include "hub.h"
typedef struct DumpState {
VLANClientState nc;
@@ -99,7 +100,7 @@ static NetClientInfo net_dump_info = {
.cleanup = dump_cleanup,
};
-static int net_dump_init(VLANState *vlan, const char *device,
+static int net_dump_init(VLANClientState *peer, const char *device,
const char *name, const char *filename, int len)
{
struct pcap_file_hdr hdr;
@@ -128,7 +129,7 @@ static int net_dump_init(VLANState *vlan, const char *device,
return -1;
}
- nc = qemu_new_net_client(&net_dump_info, vlan, NULL, device, name);
+ nc = qemu_new_net_client(&net_dump_info, NULL, peer, device, name);
snprintf(nc->info_str, sizeof(nc->info_str),
"dump to %s (len=%d)", filename, len);
@@ -145,7 +146,7 @@ static int net_dump_init(VLANState *vlan, const char *device,
}
int net_init_dump(const NetClientOptions *opts, const char *name,
- VLANState *vlan)
+ VLANClientState *peer)
{
int len;
const char *file;
@@ -155,12 +156,18 @@ int net_init_dump(const NetClientOptions *opts, const char *name,
assert(opts->kind == NET_CLIENT_OPTIONS_KIND_DUMP);
dump = opts->dump;
- assert(vlan);
+ assert(peer);
if (dump->has_file) {
file = dump->file;
} else {
- snprintf(def_file, sizeof(def_file), "qemu-vlan%d.pcap", vlan->id);
+ 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;
}
@@ -174,5 +181,5 @@ int net_init_dump(const NetClientOptions *opts, const char *name,
len = 65536;
}
- return net_dump_init(vlan, "dump", name, file, len);
+ return net_dump_init(peer, "dump", name, file, len);
}
diff --git a/net/dump.h b/net/dump.h
index 0fa2dd7..9d70195 100644
--- a/net/dump.h
+++ b/net/dump.h
@@ -28,6 +28,6 @@
#include "qapi-types.h"
int net_init_dump(const NetClientOptions *opts, const char *name,
- VLANState *vlan);
+ VLANClientState *peer);
#endif /* QEMU_NET_DUMP_H */
diff --git a/net/hub.c b/net/hub.c
index be6e014..ee9d878 100644
--- a/net/hub.c
+++ b/net/hub.c
@@ -206,15 +206,15 @@ int net_hub_id_for_client(VLANClientState *nc, int *id)
}
int net_init_hubport(const NetClientOptions *opts, const char *name,
- VLANState *vlan)
+ VLANClientState *peer)
{
const NetdevHubPortOptions *hubport;
assert(opts->kind == NET_CLIENT_OPTIONS_KIND_HUBPORT);
hubport = opts->hubport;
- /* The hub is a "vlan" so this option makes no sense. */
- if (vlan) {
+ /* Treat hub port like a backend, NIC must be the one to peer */
+ if (peer) {
return -EINVAL;
}
diff --git a/net/hub.h b/net/hub.h
index f0d98f2..a5fa2ba 100644
--- a/net/hub.h
+++ b/net/hub.h
@@ -18,7 +18,7 @@
#include "qemu-common.h"
int net_init_hubport(const NetClientOptions *opts, const char *name,
- VLANState *vlan);
+ VLANClientState *peer);
VLANClientState *net_hub_add_port(int hub_id, const char *name);
void net_hub_info(Monitor *mon);
int net_hub_id_for_client(VLANClientState *nc, int *id);
diff --git a/net/slirp.c b/net/slirp.c
index 5c2e6b2..97e380c 100644
--- a/net/slirp.c
+++ b/net/slirp.c
@@ -135,7 +135,7 @@ static NetClientInfo net_slirp_info = {
.cleanup = net_slirp_cleanup,
};
-static int net_slirp_init(VLANState *vlan, const char *model,
+static int net_slirp_init(VLANClientState *peer, const char *model,
const char *name, int restricted,
const char *vnetwork, const char *vhost,
const char *vhostname, const char *tftp_export,
@@ -238,7 +238,7 @@ static int net_slirp_init(VLANState *vlan, const char *model,
}
#endif
- nc = qemu_new_net_client(&net_slirp_info, vlan, NULL, model, name);
+ nc = qemu_new_net_client(&net_slirp_info, NULL, peer, model, name);
snprintf(nc->info_str, sizeof(nc->info_str),
"net=%s,restrict=%s", inet_ntoa(net),
@@ -703,7 +703,7 @@ net_init_slirp_configs(const StringList *fwd, int flags)
}
int net_init_slirp(const NetClientOptions *opts, const char *name,
- VLANState *vlan)
+ VLANClientState *peer)
{
struct slirp_config_str *config;
char *vnet;
@@ -722,7 +722,7 @@ int net_init_slirp(const NetClientOptions *opts, const char *name,
net_init_slirp_configs(user->hostfwd, SLIRP_CFG_HOSTFWD);
net_init_slirp_configs(user->guestfwd, 0);
- ret = net_slirp_init(vlan, "user", name, user->restrict, vnet, user->host,
+ ret = net_slirp_init(peer, "user", name, user->restrict, vnet, user->host,
user->hostname, user->tftp, user->bootfile,
user->dhcpstart, user->dns, user->smb,
user->smbserver);
diff --git a/net/slirp.h b/net/slirp.h
index e2c71ee..1ff21b0 100644
--- a/net/slirp.h
+++ b/net/slirp.h
@@ -32,7 +32,7 @@
#ifdef CONFIG_SLIRP
int net_init_slirp(const NetClientOptions *opts, const char *name,
- VLANState *vlan);
+ VLANClientState *peer);
void net_slirp_hostfwd_add(Monitor *mon, const QDict *qdict);
void net_slirp_hostfwd_remove(Monitor *mon, const QDict *qdict);
diff --git a/net/socket.c b/net/socket.c
index 600c287..09bdc66 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -44,7 +44,7 @@ typedef struct NetSocketState {
} NetSocketState;
typedef struct NetSocketListenState {
- VLANState *vlan;
+ VLANClientState *peer;
char *model;
char *name;
int fd;
@@ -245,7 +245,7 @@ static NetClientInfo net_dgram_socket_info = {
.cleanup = net_socket_cleanup,
};
-static NetSocketState *net_socket_fd_init_dgram(VLANState *vlan,
+static NetSocketState *net_socket_fd_init_dgram(VLANClientState *peer,
const char *model,
const char *name,
int fd, int is_connected)
@@ -287,7 +287,7 @@ static NetSocketState *net_socket_fd_init_dgram(VLANState *vlan,
}
}
- nc = qemu_new_net_client(&net_dgram_socket_info, vlan, NULL, model, name);
+ nc = qemu_new_net_client(&net_dgram_socket_info, NULL, peer, model, name);
snprintf(nc->info_str, sizeof(nc->info_str),
"socket: fd=%d (%s mcast=%s:%d)",
@@ -323,7 +323,7 @@ static NetClientInfo net_socket_info = {
.cleanup = net_socket_cleanup,
};
-static NetSocketState *net_socket_fd_init_stream(VLANState *vlan,
+static NetSocketState *net_socket_fd_init_stream(VLANClientState *peer,
const char *model,
const char *name,
int fd, int is_connected)
@@ -331,7 +331,7 @@ static NetSocketState *net_socket_fd_init_stream(VLANState *vlan,
VLANClientState *nc;
NetSocketState *s;
- nc = qemu_new_net_client(&net_socket_info, vlan, NULL, model, name);
+ nc = qemu_new_net_client(&net_socket_info, NULL, peer, model, name);
snprintf(nc->info_str, sizeof(nc->info_str), "socket: fd=%d", fd);
@@ -347,7 +347,7 @@ static NetSocketState *net_socket_fd_init_stream(VLANState *vlan,
return s;
}
-static NetSocketState *net_socket_fd_init(VLANState *vlan,
+static NetSocketState *net_socket_fd_init(VLANClientState *peer,
const char *model, const char *name,
int fd, int is_connected)
{
@@ -362,13 +362,13 @@ static NetSocketState *net_socket_fd_init(VLANState *vlan,
}
switch(so_type) {
case SOCK_DGRAM:
- return net_socket_fd_init_dgram(vlan, model, name, fd, is_connected);
+ return net_socket_fd_init_dgram(peer, model, name, fd, is_connected);
case SOCK_STREAM:
- return net_socket_fd_init_stream(vlan, model, name, fd, is_connected);
+ return net_socket_fd_init_stream(peer, model, name, fd, is_connected);
default:
/* who knows ... this could be a eg. a pty, do warn and continue as stream */
fprintf(stderr, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type, fd);
- return net_socket_fd_init_stream(vlan, model, name, fd, is_connected);
+ return net_socket_fd_init_stream(peer, model, name, fd, is_connected);
}
return NULL;
}
@@ -390,7 +390,7 @@ static void net_socket_accept(void *opaque)
break;
}
}
- s1 = net_socket_fd_init(s->vlan, s->model, s->name, fd, 1);
+ s1 = net_socket_fd_init(s->peer, s->model, s->name, fd, 1);
if (s1) {
snprintf(s1->nc.info_str, sizeof(s1->nc.info_str),
"socket: connection from %s:%d",
@@ -398,7 +398,7 @@ static void net_socket_accept(void *opaque)
}
}
-static int net_socket_listen_init(VLANState *vlan,
+static int net_socket_listen_init(VLANClientState *peer,
const char *model,
const char *name,
const char *host_str)
@@ -438,7 +438,7 @@ static int net_socket_listen_init(VLANState *vlan,
closesocket(fd);
return -1;
}
- s->vlan = vlan;
+ s->peer = peer;
s->model = g_strdup(model);
s->name = name ? g_strdup(name) : NULL;
s->fd = fd;
@@ -446,7 +446,7 @@ static int net_socket_listen_init(VLANState *vlan,
return 0;
}
-static int net_socket_connect_init(VLANState *vlan,
+static int net_socket_connect_init(VLANClientState *peer,
const char *model,
const char *name,
const char *host_str)
@@ -487,7 +487,7 @@ static int net_socket_connect_init(VLANState *vlan,
break;
}
}
- s = net_socket_fd_init(vlan, model, name, fd, connected);
+ s = net_socket_fd_init(peer, model, name, fd, connected);
if (!s)
return -1;
snprintf(s->nc.info_str, sizeof(s->nc.info_str),
@@ -496,7 +496,7 @@ static int net_socket_connect_init(VLANState *vlan,
return 0;
}
-static int net_socket_mcast_init(VLANState *vlan,
+static int net_socket_mcast_init(VLANClientState *peer,
const char *model,
const char *name,
const char *host_str,
@@ -522,7 +522,7 @@ static int net_socket_mcast_init(VLANState *vlan,
if (fd < 0)
return -1;
- s = net_socket_fd_init(vlan, model, name, fd, 0);
+ s = net_socket_fd_init(peer, model, name, fd, 0);
if (!s)
return -1;
@@ -535,7 +535,7 @@ static int net_socket_mcast_init(VLANState *vlan,
}
-static int net_socket_udp_init(VLANState *vlan,
+static int net_socket_udp_init(VLANClientState *peer,
const char *model,
const char *name,
const char *rhost,
@@ -573,7 +573,7 @@ static int net_socket_udp_init(VLANState *vlan,
return -1;
}
- s = net_socket_fd_init(vlan, model, name, fd, 0);
+ s = net_socket_fd_init(peer, model, name, fd, 0);
if (!s) {
return -1;
}
@@ -587,7 +587,7 @@ static int net_socket_udp_init(VLANState *vlan,
}
int net_init_socket(const NetClientOptions *opts, const char *name,
- VLANState *vlan)
+ VLANClientState *peer)
{
const NetdevSocketOptions *sock;
@@ -610,21 +610,21 @@ int net_init_socket(const NetClientOptions *opts, const char *name,
int fd;
fd = net_handle_fd_param(cur_mon, sock->fd);
- if (fd == -1 || !net_socket_fd_init(vlan, "socket", name, fd, 1)) {
+ if (fd == -1 || !net_socket_fd_init(peer, "socket", name, fd, 1)) {
return -1;
}
return 0;
}
if (sock->has_listen) {
- if (net_socket_listen_init(vlan, "socket", name, sock->listen) == -1) {
+ if (net_socket_listen_init(peer, "socket", name, sock->listen) == -1) {
return -1;
}
return 0;
}
if (sock->has_connect) {
- if (net_socket_connect_init(vlan, "socket", name, sock->connect) ==
+ if (net_socket_connect_init(peer, "socket", name, sock->connect) ==
-1) {
return -1;
}
@@ -634,7 +634,7 @@ int net_init_socket(const NetClientOptions *opts, const char *name,
if (sock->has_mcast) {
/* if sock->localaddr is missing, it has been initialized to "all bits
* zero" */
- if (net_socket_mcast_init(vlan, "socket", name, sock->mcast,
+ if (net_socket_mcast_init(peer, "socket", name, sock->mcast,
sock->localaddr) == -1) {
return -1;
}
@@ -646,7 +646,7 @@ int net_init_socket(const NetClientOptions *opts, const char *name,
error_report("localaddr= is mandatory with udp=");
return -1;
}
- if (net_socket_udp_init(vlan, "udp", name, sock->udp, sock->localaddr) ==
+ if (net_socket_udp_init(peer, "udp", name, sock->udp, sock->localaddr) ==
-1) {
return -1;
}
diff --git a/net/socket.h b/net/socket.h
index c4809ad..82b4d16 100644
--- a/net/socket.h
+++ b/net/socket.h
@@ -28,6 +28,6 @@
#include "qapi-types.h"
int net_init_socket(const NetClientOptions *opts, const char *name,
- VLANState *vlan);
+ VLANClientState *peer);
#endif /* QEMU_NET_SOCKET_H */
diff --git a/net/tap-win32.c b/net/tap-win32.c
index 2328072..0e3b883 100644
--- a/net/tap-win32.c
+++ b/net/tap-win32.c
@@ -673,7 +673,7 @@ static NetClientInfo net_tap_win32_info = {
.cleanup = tap_cleanup,
};
-static int tap_win32_init(VLANState *vlan, const char *model,
+static int tap_win32_init(VLANClientState *peer, const char *model,
const char *name, const char *ifname)
{
VLANClientState *nc;
@@ -685,7 +685,7 @@ static int tap_win32_init(VLANState *vlan, const char *model,
return -1;
}
- nc = qemu_new_net_client(&net_tap_win32_info, vlan, NULL, model, name);
+ nc = qemu_new_net_client(&net_tap_win32_info, NULL, peer, model, name);
s = DO_UPCAST(TAPState, nc, nc);
@@ -700,7 +700,7 @@ static int tap_win32_init(VLANState *vlan, const char *model,
}
int net_init_tap(const NetClientOptions *opts, const char *name,
- VLANState *vlan)
+ VLANClientState *peer)
{
const NetdevTapOptions *tap;
@@ -712,7 +712,7 @@ int net_init_tap(const NetClientOptions *opts, const char *name,
return -1;
}
- if (tap_win32_init(vlan, "tap", name, tap->ifname) == -1) {
+ if (tap_win32_init(peer, "tap", name, tap->ifname) == -1) {
return -1;
}
diff --git a/net/tap.c b/net/tap.c
index 7206227..43c3fcd 100644
--- a/net/tap.c
+++ b/net/tap.c
@@ -322,7 +322,7 @@ static NetClientInfo net_tap_info = {
.cleanup = tap_cleanup,
};
-static TAPState *net_tap_fd_init(VLANState *vlan,
+static TAPState *net_tap_fd_init(VLANClientState *peer,
const char *model,
const char *name,
int fd,
@@ -331,7 +331,7 @@ static TAPState *net_tap_fd_init(VLANState *vlan,
VLANClientState *nc;
TAPState *s;
- nc = qemu_new_net_client(&net_tap_info, vlan, NULL, model, name);
+ nc = qemu_new_net_client(&net_tap_info, NULL, peer, model, name);
s = DO_UPCAST(TAPState, nc, nc);
@@ -514,7 +514,7 @@ static int net_bridge_run_helper(const char *helper, const char *bridge)
}
int net_init_bridge(const NetClientOptions *opts, const char *name,
- VLANState *vlan)
+ VLANClientState *peer)
{
const NetdevBridgeOptions *bridge;
const char *helper, *br;
@@ -537,7 +537,7 @@ int net_init_bridge(const NetClientOptions *opts, const char *name,
vnet_hdr = tap_probe_vnet_hdr(fd);
- s = net_tap_fd_init(vlan, "bridge", name, fd, vnet_hdr);
+ s = net_tap_fd_init(peer, "bridge", name, fd, vnet_hdr);
if (!s) {
close(fd);
return -1;
@@ -587,7 +587,7 @@ static int net_tap_init(const NetdevTapOptions *tap, int *vnet_hdr,
}
int net_init_tap(const NetClientOptions *opts, const char *name,
- VLANState *vlan)
+ VLANClientState *peer)
{
const NetdevTapOptions *tap;
@@ -650,7 +650,7 @@ int net_init_tap(const NetClientOptions *opts, const char *name,
model = "tap";
}
- s = net_tap_fd_init(vlan, model, name, fd, vnet_hdr);
+ s = net_tap_fd_init(peer, model, name, fd, vnet_hdr);
if (!s) {
close(fd);
return -1;
diff --git a/net/tap.h b/net/tap.h
index 19dea58..113906f 100644
--- a/net/tap.h
+++ b/net/tap.h
@@ -33,7 +33,7 @@
#define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown"
int net_init_tap(const NetClientOptions *opts, const char *name,
- VLANState *vlan);
+ VLANClientState *peer);
int tap_open(char *ifname, int ifname_size, int *vnet_hdr, int vnet_hdr_required);
@@ -59,6 +59,6 @@ struct vhost_net;
struct vhost_net *tap_get_vhost_net(VLANClientState *vc);
int net_init_bridge(const NetClientOptions *opts, const char *name,
- VLANState *vlan);
+ VLANClientState *peer);
#endif /* QEMU_NET_TAP_H */
diff --git a/net/vde.c b/net/vde.c
index ee19f5c..302a022 100644
--- a/net/vde.c
+++ b/net/vde.c
@@ -75,7 +75,7 @@ static NetClientInfo net_vde_info = {
.cleanup = vde_cleanup,
};
-static int net_vde_init(VLANState *vlan, const char *model,
+static int net_vde_init(VLANClientState *peer, const char *model,
const char *name, const char *sock,
int port, const char *group, int mode)
{
@@ -96,7 +96,7 @@ static int net_vde_init(VLANState *vlan, const char *model,
return -1;
}
- nc = qemu_new_net_client(&net_vde_info, vlan, NULL, model, name);
+ nc = qemu_new_net_client(&net_vde_info, NULL, peer, model, name);
snprintf(nc->info_str, sizeof(nc->info_str), "sock=%s,fd=%d",
sock, vde_datafd(vde));
@@ -111,7 +111,7 @@ static int net_vde_init(VLANState *vlan, const char *model,
}
int net_init_vde(const NetClientOptions *opts, const char *name,
- VLANState *vlan)
+ VLANClientState *peer)
{
const NetdevVdeOptions *vde;
@@ -119,7 +119,7 @@ int net_init_vde(const NetClientOptions *opts, const char *name,
vde = opts->vde;
/* missing optional values have been initialized to "all bits zero" */
- if (net_vde_init(vlan, "vde", name, vde->sock, vde->port, vde->group,
+ if (net_vde_init(peer, "vde", name, vde->sock, vde->port, vde->group,
vde->has_mode ? vde->mode : 0700) == -1) {
return -1;
}
diff --git a/net/vde.h b/net/vde.h
index ad502ef..d6f7af4 100644
--- a/net/vde.h
+++ b/net/vde.h
@@ -30,7 +30,7 @@
#ifdef CONFIG_VDE
int net_init_vde(const NetClientOptions *opts, const char *name,
- VLANState *vlan);
+ VLANClientState *peer);
#endif /* CONFIG_VDE */
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