@@ -889,7 +889,8 @@ void dp83932_init(NICInfo *nd, target_phys_addr_t base, int it_shift,
s->watchdog = qemu_new_timer(vm_clock, dp8393x_watchdog, s);
s->regs[SONIC_SR] = 0x0004; /* only revision recognized by Linux */
- s->vc = nd->vc = qemu_new_vlan_client(nd->vlan, nd->model, nd->name,
+ s->vc = nd->vc = qemu_new_vlan_client(nd->vlan, nd->netdev,
+ nd->model, nd->name,
nic_can_receive, nic_receive, NULL,
nic_cleanup, s);
@@ -590,7 +590,8 @@ void *etraxfs_eth_init(NICInfo *nd, target_phys_addr_t base, int phyaddr)
eth->ethregs = cpu_register_io_memory(eth_read, eth_write, eth);
cpu_register_physical_memory (base, 0x5c, eth->ethregs);
- eth->vc = nd->vc = qemu_new_vlan_client(nd->vlan, nd->model, nd->name,
+ eth->vc = nd->vc = qemu_new_vlan_client(nd->vlan, nd->netdev,
+ nd->model, nd->name,
eth_can_receive, eth_receive,
NULL, eth_cleanup, eth);
eth->vc->opaque = eth;
@@ -462,7 +462,8 @@ void mcf_fec_init(NICInfo *nd, target_phys_addr_t base, qemu_irq *irq)
mcf_fec_writefn, s);
cpu_register_physical_memory(base, 0x400, s->mmio_index);
- s->vc = nd->vc = qemu_new_vlan_client(nd->vlan, nd->model, nd->name,
+ s->vc = nd->vc = qemu_new_vlan_client(nd->vlan, nd->netdev,
+ nd->model, nd->name,
mcf_fec_can_receive, mcf_fec_receive,
NULL, mcf_fec_cleanup, s);
memcpy(s->macaddr, nd->macaddr, 6);
@@ -262,8 +262,9 @@ void mipsnet_init (int base, qemu_irq irq, NICInfo *nd)
s->io_base = base;
s->irq = irq;
- if (nd && nd->vlan) {
- s->vc = nd->vc = qemu_new_vlan_client(nd->vlan, nd->model, nd->name,
+ if (nd) {
+ s->vc = nd->vc = qemu_new_vlan_client(nd->vlan, nd->netdev,
+ nd->model, nd->name,
mipsnet_can_receive, mipsnet_receive,
NULL, mipsnet_cleanup, s);
} else {
@@ -370,8 +370,10 @@ VLANClientState *qdev_get_vlan_client(DeviceState *dev,
{
NICInfo *nd = dev->nd;
assert(nd);
- nd->vc = qemu_new_vlan_client(nd->vlan, nd->model, nd->name, can_receive,
- receive, receive_iov, cleanup, opaque);
+ nd->vc = qemu_new_vlan_client(nd->vlan, nd->netdev,
+ nd->model, nd->name,
+ can_receive, receive, receive_iov,
+ cleanup, opaque);
return nd->vc;
}
@@ -1460,7 +1460,8 @@ USBDevice *usb_net_init(NICInfo *nd)
memcpy(s->mac, nd->macaddr, 6);
- s->vc = nd->vc = qemu_new_vlan_client(nd->vlan, nd->model, nd->name,
+ s->vc = nd->vc = qemu_new_vlan_client(nd->vlan, nd->netdev,
+ nd->model, nd->name,
usbnet_can_receive,
usbnet_receive,
NULL,
@@ -301,7 +301,7 @@ static int net_init(struct XenDevice *xendev)
return -1;
vlan = qemu_find_vlan(netdev->xendev.dev, 1);
- netdev->vs = qemu_new_vlan_client(vlan, "xen", NULL,
+ netdev->vs = qemu_new_vlan_client(vlan, NULL, "xen", NULL,
net_rx_ok, net_rx_packet, NULL,
NULL, netdev);
snprintf(netdev->vs->info_str, sizeof(netdev->vs->info_str),
@@ -302,6 +302,7 @@ static char *assign_name(VLANClientState *vc1, const char *model)
}
VLANClientState *qemu_new_vlan_client(VLANState *vlan,
+ VLANClientState *peer,
const char *model,
const char *name,
NetCanReceive *can_receive,
@@ -326,9 +327,14 @@ VLANClientState *qemu_new_vlan_client(VLANState *vlan,
vc->opaque = opaque;
if (vlan) {
+ assert(!peer);
vc->vlan = vlan;
QTAILQ_INSERT_TAIL(&vc->vlan->clients, vc, next);
} else {
+ if (peer) {
+ vc->peer = peer;
+ peer->peer = vc;
+ }
QTAILQ_INSERT_TAIL(&non_vlan_clients, vc, next);
}
@@ -341,6 +347,9 @@ void qemu_del_vlan_client(VLANClientState *vc)
QTAILQ_REMOVE(&vc->vlan->clients, vc, next);
} else {
QTAILQ_REMOVE(&non_vlan_clients, vc, next);
+ if (vc->peer) {
+ vc->peer->peer = NULL;
+ }
}
if (vc->cleanup) {
@@ -866,7 +875,8 @@ static int net_slirp_init(VLANState *vlan, const char *model,
}
#endif
- s->vc = qemu_new_vlan_client(vlan, model, name, NULL, slirp_receive, NULL,
+ s->vc = qemu_new_vlan_client(vlan, NULL, model, name, NULL,
+ slirp_receive, NULL,
net_slirp_cleanup, s);
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
"net=%s, restricted=%c", inet_ntoa(net), restricted ? 'y' : 'n');
@@ -1426,8 +1436,9 @@ static TAPState *net_tap_fd_init(VLANState *vlan,
s = qemu_mallocz(sizeof(TAPState));
s->fd = fd;
- s->vc = qemu_new_vlan_client(vlan, model, name, NULL, tap_receive,
- tap_receive_iov, tap_cleanup, s);
+ s->vc = qemu_new_vlan_client(vlan, NULL, model, name, NULL,
+ tap_receive, tap_receive_iov,
+ tap_cleanup, s);
tap_read_poll(s, 1);
snprintf(s->vc->info_str, sizeof(s->vc->info_str), "fd=%d", fd);
return s;
@@ -1760,8 +1771,9 @@ static int net_vde_init(VLANState *vlan, const char *model,
free(s);
return -1;
}
- s->vc = qemu_new_vlan_client(vlan, model, name, NULL, vde_receive,
- NULL, vde_cleanup, s);
+ s->vc = qemu_new_vlan_client(vlan, NULL, model, name, NULL,
+ vde_receive, NULL,
+ vde_cleanup, s);
qemu_set_fd_handler(vde_datafd(s->vde), vde_to_qemu, NULL, s);
snprintf(s->vc->info_str, sizeof(s->vc->info_str), "sock=%s,fd=%d",
sock, vde_datafd(s->vde));
@@ -1999,8 +2011,9 @@ static NetSocketState *net_socket_fd_init_dgram(VLANState *vlan,
s = qemu_mallocz(sizeof(NetSocketState));
s->fd = fd;
- s->vc = qemu_new_vlan_client(vlan, model, name, NULL, net_socket_receive_dgram,
- NULL, net_socket_cleanup, s);
+ s->vc = qemu_new_vlan_client(vlan, NULL, model, name, NULL,
+ net_socket_receive_dgram, NULL,
+ net_socket_cleanup, s);
qemu_set_fd_handler(s->fd, net_socket_send_dgram, NULL, s);
/* mcast: save bound address as dst */
@@ -2027,8 +2040,9 @@ static NetSocketState *net_socket_fd_init_stream(VLANState *vlan,
NetSocketState *s;
s = qemu_mallocz(sizeof(NetSocketState));
s->fd = fd;
- s->vc = qemu_new_vlan_client(vlan, model, name, NULL, net_socket_receive,
- NULL, net_socket_cleanup, s);
+ s->vc = qemu_new_vlan_client(vlan, NULL, model, name, NULL,
+ net_socket_receive, NULL,
+ net_socket_cleanup, s);
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
"socket: fd=%d", fd);
if (is_connected) {
@@ -2308,7 +2322,8 @@ static int net_dump_init(VLANState *vlan, const char *device,
return -1;
}
- s->pcap_vc = qemu_new_vlan_client(vlan, device, name, NULL, dump_receive, NULL,
+ s->pcap_vc = qemu_new_vlan_client(vlan, NULL, device, name, NULL,
+ dump_receive, NULL,
net_dump_cleanup, s);
snprintf(s->pcap_vc->info_str, sizeof(s->pcap_vc->info_str),
"dump to %s (len=%d)", filename, len);
@@ -28,6 +28,7 @@ struct VLANClientState {
void *opaque;
QTAILQ_ENTRY(VLANClientState) next;
struct VLANState *vlan;
+ VLANClientState *peer;
char *model;
char *name;
char info_str[256];
@@ -56,6 +57,7 @@ struct VLANState {
VLANState *qemu_find_vlan(int id, int allocate);
VLANClientState *qemu_new_vlan_client(VLANState *vlan,
+ VLANClientState *peer,
const char *model,
const char *name,
NetCanReceive *can_receive,
@@ -677,7 +677,8 @@ int tap_win32_init(VLANState *vlan, const char *model,
return -1;
}
- s->vc = qemu_new_vlan_client(vlan, model, name, NULL, tap_receive,
+ s->vc = qemu_new_vlan_client(vlan, NULL, model, name,
+ NULL, tap_receive,
NULL, tap_cleanup, s);
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
Introduce a 'peer' member to VLANClientState as an alternative to a vlan. The idea being that packets are transfered directly from peer clients rather than going through a vlan. Signed-off-by: Mark McLoughlin <markmc@redhat.com> --- hw/dp8393x.c | 3 ++- hw/etraxfs_eth.c | 3 ++- hw/mcf_fec.c | 3 ++- hw/mipsnet.c | 5 +++-- hw/qdev.c | 6 ++++-- hw/usb-net.c | 3 ++- hw/xen_nic.c | 2 +- net.c | 35 +++++++++++++++++++++++++---------- net.h | 2 ++ tap-win32.c | 3 ++- 10 files changed, 45 insertions(+), 20 deletions(-)