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net: introduce qemu_get_queue()

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To support multiqueue, the patch introduce a helper qemu_get_queue()
which is used to get the NetClientState of a device. The following patches would
refactor this helper to support multiqueue.

Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Jason Wang 2013-01-30 19:12:22 +08:00 committed by Anthony Liguori
parent 28a65891a0
commit b356f76de3
28 changed files with 140 additions and 115 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
hw/cadence_gem.c
View File

@ -389,10 +389,10 @@ static void gem_init_register_masks(GemState *s)
*/
static void phy_update_link(GemState *s)
{
DB_PRINT("down %d\n", s->nic->nc.link_down);
DB_PRINT("down %d\n", qemu_get_queue(s->nic)->link_down);
/* Autonegotiation status mirrors link status. */
if (s->nic->nc.link_down) {
if (qemu_get_queue(s->nic)->link_down) {
s->phy_regs[PHY_REG_STATUS] &= ~(PHY_REG_STATUS_ANEGCMPL |
PHY_REG_STATUS_LINK);
s->phy_regs[PHY_REG_INT_ST] |= PHY_REG_INT_ST_LINKC;
@ -908,9 +908,10 @@ static void gem_transmit(GemState *s)
/* Send the packet somewhere */
if (s->phy_loop) {
gem_receive(&s->nic->nc, tx_packet, total_bytes);
gem_receive(qemu_get_queue(s->nic), tx_packet, total_bytes);
} else {
qemu_send_packet(&s->nic->nc, tx_packet, total_bytes);
qemu_send_packet(qemu_get_queue(s->nic), tx_packet,
total_bytes);
}
/* Prepare for next packet */

9
hw/dp8393x.c
View File

@ -339,6 +339,7 @@ static void do_receiver_disable(dp8393xState *s)
static void do_transmit_packets(dp8393xState *s)
{
NetClientState *nc = qemu_get_queue(s->nic);
uint16_t data[12];
int width, size;
int tx_len, len;
@ -408,13 +409,13 @@ static void do_transmit_packets(dp8393xState *s)
if (s->regs[SONIC_RCR] & (SONIC_RCR_LB1 | SONIC_RCR_LB0)) {
/* Loopback */
s->regs[SONIC_TCR] |= SONIC_TCR_CRSL;
if (s->nic->nc.info->can_receive(&s->nic->nc)) {
if (nc->info->can_receive(nc)) {
s->loopback_packet = 1;
s->nic->nc.info->receive(&s->nic->nc, s->tx_buffer, tx_len);
nc->info->receive(nc, s->tx_buffer, tx_len);
}
} else {
/* Transmit packet */
qemu_send_packet(&s->nic->nc, s->tx_buffer, tx_len);
qemu_send_packet(nc, s->tx_buffer, tx_len);
}
s->regs[SONIC_TCR] |= SONIC_TCR_PTX;
@ -903,7 +904,7 @@ void dp83932_init(NICInfo *nd, hwaddr base, int it_shift,
s->nic = qemu_new_nic(&net_dp83932_info, &s->conf, nd->model, nd->name, s);
qemu_format_nic_info_str(&s->nic->nc, s->conf.macaddr.a);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
qemu_register_reset(nic_reset, s);
nic_reset(s);

22
hw/e1000.c
View File

@ -166,7 +166,7 @@ static void
set_phy_ctrl(E1000State *s, int index, uint16_t val)
{
if ((val & MII_CR_AUTO_NEG_EN) && (val & MII_CR_RESTART_AUTO_NEG)) {
s->nic->nc.link_down = true;
qemu_get_queue(s->nic)->link_down = true;
e1000_link_down(s);
s->phy_reg[PHY_STATUS] &= ~MII_SR_AUTONEG_COMPLETE;
DBGOUT(PHY, "Start link auto negotiation\n");
@ -178,7 +178,7 @@ static void
e1000_autoneg_timer(void *opaque)
{
E1000State *s = opaque;
s->nic->nc.link_down = false;
qemu_get_queue(s->nic)->link_down = false;
e1000_link_up(s);
s->phy_reg[PHY_STATUS] |= MII_SR_AUTONEG_COMPLETE;
DBGOUT(PHY, "Auto negotiation is completed\n");
@ -291,7 +291,7 @@ static void e1000_reset(void *opaque)
d->rxbuf_min_shift = 1;
memset(&d->tx, 0, sizeof d->tx);
if (d->nic->nc.link_down) {
if (qemu_get_queue(d->nic)->link_down) {
e1000_link_down(d);
}
@ -319,7 +319,7 @@ set_rx_control(E1000State *s, int index, uint32_t val)
s->rxbuf_min_shift = ((val / E1000_RCTL_RDMTS_QUAT) & 3) + 1;
DBGOUT(RX, "RCTL: %d, mac_reg[RCTL] = 0x%x\n", s->mac_reg[RDT],
s->mac_reg[RCTL]);
qemu_flush_queued_packets(&s->nic->nc);
qemu_flush_queued_packets(qemu_get_queue(s->nic));
}
static void
@ -470,10 +470,11 @@ fcs_len(E1000State *s)
static void
e1000_send_packet(E1000State *s, const uint8_t *buf, int size)
{
NetClientState *nc = qemu_get_queue(s->nic);
if (s->phy_reg[PHY_CTRL] & MII_CR_LOOPBACK) {
s->nic->nc.info->receive(&s->nic->nc, buf, size);
nc->info->receive(nc, buf, size);
} else {
qemu_send_packet(&s->nic->nc, buf, size);
qemu_send_packet(nc, buf, size);
}
}
@ -958,7 +959,7 @@ set_rdt(E1000State *s, int index, uint32_t val)
{
s->mac_reg[index] = val & 0xffff;
if (e1000_has_rxbufs(s, 1)) {
qemu_flush_queued_packets(&s->nic->nc);
qemu_flush_queued_packets(qemu_get_queue(s->nic));
}
}
@ -1112,10 +1113,11 @@ static bool is_version_1(void *opaque, int version_id)
static int e1000_post_load(void *opaque, int version_id)
{
E1000State *s = opaque;
NetClientState *nc = qemu_get_queue(s->nic);
/* nc.link_down can't be migrated, so infer link_down according
* to link status bit in mac_reg[STATUS] */
s->nic->nc.link_down = (s->mac_reg[STATUS] & E1000_STATUS_LU) == 0;
nc->link_down = (s->mac_reg[STATUS] & E1000_STATUS_LU) == 0;
return 0;
}
@ -1247,7 +1249,7 @@ pci_e1000_uninit(PCIDevice *dev)
qemu_free_timer(d->autoneg_timer);
memory_region_destroy(&d->mmio);
memory_region_destroy(&d->io);
qemu_del_net_client(&d->nic->nc);
qemu_del_net_client(qemu_get_queue(d->nic));
}
static NetClientInfo net_e1000_info = {
@ -1294,7 +1296,7 @@ static int pci_e1000_init(PCIDevice *pci_dev)
d->nic = qemu_new_nic(&net_e1000_info, &d->conf,
object_get_typename(OBJECT(d)), d->dev.qdev.id, d);
qemu_format_nic_info_str(&d->nic->nc, macaddr);
qemu_format_nic_info_str(qemu_get_queue(d->nic), macaddr);
add_boot_device_path(d->conf.bootindex, &pci_dev->qdev, "/ethernet-phy@0");

12
hw/eepro100.c
View File

@ -828,7 +828,7 @@ static void tx_command(EEPRO100State *s)
}
}
TRACE(RXTX, logout("%p sending frame, len=%d,%s\n", s, size, nic_dump(buf, size)));
qemu_send_packet(&s->nic->nc, buf, size);
qemu_send_packet(qemu_get_queue(s->nic), buf, size);
s->statistics.tx_good_frames++;
/* Transmit with bad status would raise an CX/TNO interrupt.
* (82557 only). Emulation never has bad status. */
@ -1036,7 +1036,7 @@ static void eepro100_ru_command(EEPRO100State * s, uint8_t val)
}
set_ru_state(s, ru_ready);
s->ru_offset = e100_read_reg4(s, SCBPointer);
qemu_flush_queued_packets(&s->nic->nc);
qemu_flush_queued_packets(qemu_get_queue(s->nic));
TRACE(OTHER, logout("val=0x%02x (rx start)\n", val));
break;
case RX_RESUME:
@ -1849,7 +1849,7 @@ static void pci_nic_uninit(PCIDevice *pci_dev)
memory_region_destroy(&s->flash_bar);
vmstate_unregister(&pci_dev->qdev, s->vmstate, s);
eeprom93xx_free(&pci_dev->qdev, s->eeprom);
qemu_del_net_client(&s->nic->nc);
qemu_del_net_client(qemu_get_queue(s->nic));
}
static NetClientInfo net_eepro100_info = {
@ -1895,14 +1895,14 @@ static int e100_nic_init(PCIDevice *pci_dev)
s->nic = qemu_new_nic(&net_eepro100_info, &s->conf,
object_get_typename(OBJECT(pci_dev)), pci_dev->qdev.id, s);
qemu_format_nic_info_str(&s->nic->nc, s->conf.macaddr.a);
TRACE(OTHER, logout("%s\n", s->nic->nc.info_str));
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
TRACE(OTHER, logout("%s\n", qemu_get_queue(s->nic)->info_str));
qemu_register_reset(nic_reset, s);
s->vmstate = g_malloc(sizeof(vmstate_eepro100));
memcpy(s->vmstate, &vmstate_eepro100, sizeof(vmstate_eepro100));
s->vmstate->name = s->nic->nc.model;
s->vmstate->name = qemu_get_queue(s->nic)->model;
vmstate_register(&pci_dev->qdev, -1, s->vmstate, s);
add_boot_device_path(s->conf.bootindex, &pci_dev->qdev, "/ethernet-phy@0");

5
hw/etraxfs_eth.c
View File

@ -555,7 +555,7 @@ static int eth_tx_push(void *opaque, unsigned char *buf, int len, bool eop)
struct fs_eth *eth = opaque;
D(printf("%s buf=%p len=%d\n", __func__, buf, len));
qemu_send_packet(&eth->nic->nc, buf, len);
qemu_send_packet(qemu_get_queue(eth->nic), buf, len);
return len;
}
@ -616,7 +616,8 @@ static int fs_eth_init(SysBusDevice *dev)
qemu_macaddr_default_if_unset(&s->conf.macaddr);
s->nic = qemu_new_nic(&net_etraxfs_info, &s->conf,
object_get_typename(OBJECT(s)), dev->qdev.id, s);
qemu_format_nic_info_str(&s->nic->nc, s->conf.macaddr.a);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
tdk_init(&s->phy);
mdio_attach(&s->mdio_bus, &s->phy, s->phyaddr);

10
hw/lan9118.c
View File

@ -341,7 +341,7 @@ static void lan9118_update(lan9118_state *s)
static void lan9118_mac_changed(lan9118_state *s)
{
qemu_format_nic_info_str(&s->nic->nc, s->conf.macaddr.a);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
}
static void lan9118_reload_eeprom(lan9118_state *s)
@ -373,7 +373,7 @@ static void phy_update_irq(lan9118_state *s)
static void phy_update_link(lan9118_state *s)
{
/* Autonegotiation status mirrors link status. */
if (s->nic->nc.link_down) {
if (qemu_get_queue(s->nic)->link_down) {
s->phy_status &= ~0x0024;
s->phy_int |= PHY_INT_DOWN;
} else {
@ -657,9 +657,9 @@ static void do_tx_packet(lan9118_state *s)
/* FIXME: Honor TX disable, and allow queueing of packets. */
if (s->phy_control & 0x4000) {
/* This assumes the receive routine doesn't touch the VLANClient. */
lan9118_receive(&s->nic->nc, s->txp->data, s->txp->len);
lan9118_receive(qemu_get_queue(s->nic), s->txp->data, s->txp->len);
} else {
qemu_send_packet(&s->nic->nc, s->txp->data, s->txp->len);
qemu_send_packet(qemu_get_queue(s->nic), s->txp->data, s->txp->len);
}
s->txp->fifo_used = 0;
@ -1335,7 +1335,7 @@ static int lan9118_init1(SysBusDevice *dev)
s->nic = qemu_new_nic(&net_lan9118_info, &s->conf,
object_get_typename(OBJECT(dev)), dev->qdev.id, s);
qemu_format_nic_info_str(&s->nic->nc, s->conf.macaddr.a);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
s->eeprom[0] = 0xa5;
for (i = 0; i < 6; i++) {
s->eeprom[i + 1] = s->conf.macaddr.a[i];

4
hw/mcf_fec.c
View File

@ -174,7 +174,7 @@ static void mcf_fec_do_tx(mcf_fec_state *s)
if (bd.flags & FEC_BD_L) {
/* Last buffer in frame. */
DPRINTF("Sending packet\n");
qemu_send_packet(&s->nic->nc, frame, len);
qemu_send_packet(qemu_get_queue(s->nic), frame, len);
ptr = frame;
frame_size = 0;
s->eir |= FEC_INT_TXF;
@ -476,5 +476,5 @@ void mcf_fec_init(MemoryRegion *sysmem, NICInfo *nd,
s->nic = qemu_new_nic(&net_mcf_fec_info, &s->conf, nd->model, nd->name, s);
qemu_format_nic_info_str(&s->nic->nc, s->conf.macaddr.a);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
}

4
hw/milkymist-minimac2.c
View File

@ -257,7 +257,7 @@ static void minimac2_tx(MilkymistMinimac2State *s)
trace_milkymist_minimac2_tx_frame(txcount - 12);
/* send packet, skipping preamble and sfd */
qemu_send_packet_raw(&s->nic->nc, buf + 8, txcount - 12);
qemu_send_packet_raw(qemu_get_queue(s->nic), buf + 8, txcount - 12);
s->regs[R_TXCOUNT] = 0;
@ -480,7 +480,7 @@ static int milkymist_minimac2_init(SysBusDevice *dev)
qemu_macaddr_default_if_unset(&s->conf.macaddr);
s->nic = qemu_new_nic(&net_milkymist_minimac2_info, &s->conf,
object_get_typename(OBJECT(dev)), dev->qdev.id, s);
qemu_format_nic_info_str(&s->nic->nc, s->conf.macaddr.a);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
return 0;
}

4
hw/mipsnet.c
View File

@ -173,7 +173,7 @@ static void mipsnet_ioport_write(void *opaque, hwaddr addr,
if (s->tx_written == s->tx_count) {
/* Send buffer. */
trace_mipsnet_send(s->tx_count);
qemu_send_packet(&s->nic->nc, s->tx_buffer, s->tx_count);
qemu_send_packet(qemu_get_queue(s->nic), s->tx_buffer, s->tx_count);
s->tx_count = s->tx_written = 0;
s->intctl |= MIPSNET_INTCTL_TXDONE;
s->busy = 1;
@ -241,7 +241,7 @@ static int mipsnet_sysbus_init(SysBusDevice *dev)
s->nic = qemu_new_nic(&net_mipsnet_info, &s->conf,
object_get_typename(OBJECT(dev)), dev->qdev.id, s);
qemu_format_nic_info_str(&s->nic->nc, s->conf.macaddr.a);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
return 0;
}

2
hw/musicpal.c
View File

@ -257,7 +257,7 @@ static void eth_send(mv88w8618_eth_state *s, int queue_index)
len = desc.bytes;
if (len < 2048) {
cpu_physical_memory_read(desc.buffer, buf, len);
qemu_send_packet(&s->nic->nc, buf, len);
qemu_send_packet(qemu_get_queue(s->nic), buf, len);
}
desc.cmdstat &= ~MP_ETH_TX_OWN;
s->icr |= 1 << (MP_ETH_IRQ_TXLO_BIT - queue_index);

2
hw/ne2000-isa.c
View File

@ -77,7 +77,7 @@ static int isa_ne2000_initfn(ISADevice *dev)
s->nic = qemu_new_nic(&net_ne2000_isa_info, &s->c,
object_get_typename(OBJECT(dev)), dev->qdev.id, s);
qemu_format_nic_info_str(&s->nic->nc, s->c.macaddr.a);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->c.macaddr.a);
return 0;
}

7
hw/ne2000.c
View File

@ -300,7 +300,8 @@ static void ne2000_ioport_write(void *opaque, uint32_t addr, uint32_t val)
index -= NE2000_PMEM_SIZE;
/* fail safe: check range on the transmitted length */
if (index + s->tcnt <= NE2000_PMEM_END) {
qemu_send_packet(&s->nic->nc, s->mem + index, s->tcnt);
qemu_send_packet(qemu_get_queue(s->nic), s->mem + index,
s->tcnt);
}
/* signal end of transfer */
s->tsr = ENTSR_PTX;
@ -737,7 +738,7 @@ static int pci_ne2000_init(PCIDevice *pci_dev)
s->nic = qemu_new_nic(&net_ne2000_info, &s->c,
object_get_typename(OBJECT(pci_dev)), pci_dev->qdev.id, s);
qemu_format_nic_info_str(&s->nic->nc, s->c.macaddr.a);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->c.macaddr.a);
add_boot_device_path(s->c.bootindex, &pci_dev->qdev, "/ethernet-phy@0");
@ -750,7 +751,7 @@ static void pci_ne2000_exit(PCIDevice *pci_dev)
NE2000State *s = &d->ne2000;
memory_region_destroy(&s->io);
qemu_del_net_client(&s->nic->nc);
qemu_del_net_client(qemu_get_queue(s->nic));
}
static Property ne2000_properties[] = {

6
hw/opencores_eth.c
View File

@ -339,7 +339,7 @@ static void open_eth_reset(void *opaque)
s->rx_desc = 0x40;
mii_reset(&s->mii);
open_eth_set_link_status(&s->nic->nc);
open_eth_set_link_status(qemu_get_queue(s->nic));
}
static int open_eth_can_receive(NetClientState *nc)
@ -499,7 +499,7 @@ static void open_eth_start_xmit(OpenEthState *s, desc *tx)
if (tx_len > len) {
memset(buf + len, 0, tx_len - len);
}
qemu_send_packet(&s->nic->nc, buf, tx_len);
qemu_send_packet(qemu_get_queue(s->nic), buf, tx_len);
if (tx->len_flags & TXD_WR) {
s->tx_desc = 0;
@ -606,7 +606,7 @@ static void open_eth_mii_command_host_write(OpenEthState *s, uint32_t val)
} else {
s->regs[MIIRX_DATA] = 0xffff;
}
SET_REGFIELD(s, MIISTATUS, LINKFAIL, s->nic->nc.link_down);
SET_REGFIELD(s, MIISTATUS, LINKFAIL, qemu_get_queue(s->nic)->link_down);
}
}

2
hw/pcnet-pci.c
View File

@ -279,7 +279,7 @@ static void pci_pcnet_uninit(PCIDevice *dev)
memory_region_destroy(&d->io_bar);
qemu_del_timer(d->state.poll_timer);
qemu_free_timer(d->state.poll_timer);
qemu_del_net_client(&d->state.nic->nc);
qemu_del_net_client(qemu_get_queue(d->state.nic));
}
static NetClientInfo net_pci_pcnet_info = {

7
hw/pcnet.c
View File

@ -1261,11 +1261,12 @@ static void pcnet_transmit(PCNetState *s)
if (BCR_SWSTYLE(s) == 1)
add_crc = !GET_FIELD(tmd.status, TMDS, NOFCS);
s->looptest = add_crc ? PCNET_LOOPTEST_CRC : PCNET_LOOPTEST_NOCRC;
pcnet_receive(&s->nic->nc, s->buffer, s->xmit_pos);
pcnet_receive(qemu_get_queue(s->nic), s->buffer, s->xmit_pos);
s->looptest = 0;
} else
if (s->nic)
qemu_send_packet(&s->nic->nc, s->buffer, s->xmit_pos);
qemu_send_packet(qemu_get_queue(s->nic), s->buffer,
s->xmit_pos);
s->csr[0] &= ~0x0008; /* clear TDMD */
s->csr[4] |= 0x0004; /* set TXSTRT */
@ -1730,7 +1731,7 @@ int pcnet_common_init(DeviceState *dev, PCNetState *s, NetClientInfo *info)
qemu_macaddr_default_if_unset(&s->conf.macaddr);
s->nic = qemu_new_nic(info, &s->conf, object_get_typename(OBJECT(dev)), dev->id, s);
qemu_format_nic_info_str(&s->nic->nc, s->conf.macaddr.a);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
add_boot_device_path(s->conf.bootindex, dev, "/ethernet-phy@0");

14
hw/rtl8139.c
View File

@ -1259,7 +1259,7 @@ static void rtl8139_reset(DeviceState *d)
//s->BasicModeStatus |= 0x0040; /* UTP medium */
s->BasicModeStatus |= 0x0020; /* autonegotiation completed */
/* preserve link state */
s->BasicModeStatus |= s->nic->nc.link_down ? 0 : 0x04;
s->BasicModeStatus |= qemu_get_queue(s->nic)->link_down ? 0 : 0x04;
s->NWayAdvert = 0x05e1; /* all modes, full duplex */
s->NWayLPAR = 0x05e1; /* all modes, full duplex */
@ -1787,7 +1787,7 @@ static void rtl8139_transfer_frame(RTL8139State *s, uint8_t *buf, int size,
}
DPRINTF("+++ transmit loopback mode\n");
rtl8139_do_receive(&s->nic->nc, buf, size, do_interrupt);
rtl8139_do_receive(qemu_get_queue(s->nic), buf, size, do_interrupt);
if (iov) {
g_free(buf2);
@ -1796,9 +1796,9 @@ static void rtl8139_transfer_frame(RTL8139State *s, uint8_t *buf, int size,
else
{
if (iov) {
qemu_sendv_packet(&s->nic->nc, iov, 3);
qemu_sendv_packet(qemu_get_queue(s->nic), iov, 3);
} else {
qemu_send_packet(&s->nic->nc, buf, size);
qemu_send_packet(qemu_get_queue(s->nic), buf, size);
}
}
}
@ -3230,7 +3230,7 @@ static int rtl8139_post_load(void *opaque, int version_id)
/* nc.link_down can't be migrated, so infer link_down according
* to link status bit in BasicModeStatus */
s->nic->nc.link_down = (s->BasicModeStatus & 0x04) == 0;
qemu_get_queue(s->nic)->link_down = (s->BasicModeStatus & 0x04) == 0;
return 0;
}
@ -3446,7 +3446,7 @@ static void pci_rtl8139_uninit(PCIDevice *dev)
}
qemu_del_timer(s->timer);
qemu_free_timer(s->timer);
qemu_del_net_client(&s->nic->nc);
qemu_del_net_client(qemu_get_queue(s->nic));
}
static void rtl8139_set_link_status(NetClientState *nc)
@ -3503,7 +3503,7 @@ static int pci_rtl8139_init(PCIDevice *dev)
s->nic = qemu_new_nic(&net_rtl8139_info, &s->conf,
object_get_typename(OBJECT(dev)), dev->qdev.id, s);
qemu_format_nic_info_str(&s->nic->nc, s->conf.macaddr.a);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
s->cplus_txbuffer = NULL;
s->cplus_txbuffer_len = 0;

4
hw/smc91c111.c
View File

@ -237,7 +237,7 @@ static void smc91c111_do_tx(smc91c111_state *s)
smc91c111_release_packet(s, packetnum);
else if (s->tx_fifo_done_len < NUM_PACKETS)
s->tx_fifo_done[s->tx_fifo_done_len++] = packetnum;
qemu_send_packet(&s->nic->nc, p, len);
qemu_send_packet(qemu_get_queue(s->nic), p, len);
}
s->tx_fifo_len = 0;
smc91c111_update(s);
@ -754,7 +754,7 @@ static int smc91c111_init1(SysBusDevice *dev)
qemu_macaddr_default_if_unset(&s->conf.macaddr);
s->nic = qemu_new_nic(&net_smc91c111_info, &s->conf,
object_get_typename(OBJECT(dev)), dev->qdev.id, s);
qemu_format_nic_info_str(&s->nic->nc, s->conf.macaddr.a);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
/* ??? Save/restore. */
return 0;
}

4
hw/spapr_llan.c
View File

@ -199,7 +199,7 @@ static int spapr_vlan_init(VIOsPAPRDevice *sdev)
dev->nic = qemu_new_nic(&net_spapr_vlan_info, &dev->nicconf,
object_get_typename(OBJECT(sdev)), sdev->qdev.id, dev);
qemu_format_nic_info_str(&dev->nic->nc, dev->nicconf.macaddr.a);
qemu_format_nic_info_str(qemu_get_queue(dev->nic), dev->nicconf.macaddr.a);
return 0;
}
@ -462,7 +462,7 @@ static target_ulong h_send_logical_lan(PowerPCCPU *cpu, sPAPREnvironment *spapr,
p += VLAN_BD_LEN(bufs[i]);
}
qemu_send_packet(&dev->nic->nc, lbuf, total_len);
qemu_send_packet(qemu_get_queue(dev->nic), lbuf, total_len);
return H_SUCCESS;
}

5
hw/stellaris_enet.c
View File

@ -259,7 +259,8 @@ static void stellaris_enet_write(void *opaque, hwaddr offset,
memset(&s->tx_fifo[s->tx_frame_len], 0, 60 - s->tx_frame_len);
s->tx_fifo_len = 60;
}
qemu_send_packet(&s->nic->nc, s->tx_fifo, s->tx_frame_len);
qemu_send_packet(qemu_get_queue(s->nic), s->tx_fifo,
s->tx_frame_len);
s->tx_frame_len = -1;
s->ris |= SE_INT_TXEMP;
stellaris_enet_update(s);
@ -412,7 +413,7 @@ static int stellaris_enet_init(SysBusDevice *dev)
s->nic = qemu_new_nic(&net_stellaris_enet_info, &s->conf,
object_get_typename(OBJECT(dev)), dev->qdev.id, s);
qemu_format_nic_info_str(&s->nic->nc, s->conf.macaddr.a);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
stellaris_enet_reset(s);
register_savevm(&s->busdev.qdev, "stellaris_enet", -1, 1,

10
hw/usb/dev-network.c
View File

@ -1012,7 +1012,7 @@ static int rndis_keepalive_response(USBNetState *s,
static void usb_net_reset_in_buf(USBNetState *s)
{
s->in_ptr = s->in_len = 0;
qemu_flush_queued_packets(&s->nic->nc);
qemu_flush_queued_packets(qemu_get_queue(s->nic));
}
static int rndis_parse(USBNetState *s, uint8_t *data, int length)
@ -1196,7 +1196,7 @@ static void usb_net_handle_dataout(USBNetState *s, USBPacket *p)
if (!is_rndis(s)) {
if (p->iov.size < 64) {
qemu_send_packet(&s->nic->nc, s->out_buf, s->out_ptr);
qemu_send_packet(qemu_get_queue(s->nic), s->out_buf, s->out_ptr);
s->out_ptr = 0;
}
return;
@ -1209,7 +1209,7 @@ static void usb_net_handle_dataout(USBNetState *s, USBPacket *p)
uint32_t offs = 8 + le32_to_cpu(msg->DataOffset);
uint32_t size = le32_to_cpu(msg->DataLength);
if (offs + size <= len)
qemu_send_packet(&s->nic->nc, s->out_buf + offs, size);
qemu_send_packet(qemu_get_queue(s->nic), s->out_buf + offs, size);
}
s->out_ptr -= len;
memmove(s->out_buf, &s->out_buf[len], s->out_ptr);
@ -1330,7 +1330,7 @@ static void usb_net_handle_destroy(USBDevice *dev)
/* TODO: remove the nd_table[] entry */
rndis_clear_responsequeue(s);
qemu_del_net_client(&s->nic->nc);
qemu_del_net_client(qemu_get_queue(s->nic));
}
static NetClientInfo net_usbnet_info = {
@ -1361,7 +1361,7 @@ static int usb_net_initfn(USBDevice *dev)
qemu_macaddr_default_if_unset(&s->conf.macaddr);
s->nic = qemu_new_nic(&net_usbnet_info, &s->conf,
object_get_typename(OBJECT(s)), s->dev.qdev.id, s);
qemu_format_nic_info_str(&s->nic->nc, s->conf.macaddr.a);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
snprintf(s->usbstring_mac, sizeof(s->usbstring_mac),
"%02x%02x%02x%02x%02x%02x",
0x40,

78
hw/virtio-net.c
View File

@ -96,7 +96,7 @@ static void virtio_net_set_config(VirtIODevice *vdev, const uint8_t *config)
if (!(n->vdev.guest_features >> VIRTIO_NET_F_CTRL_MAC_ADDR & 1) &&
memcmp(netcfg.mac, n->mac, ETH_ALEN)) {
memcpy(n->mac, netcfg.mac, ETH_ALEN);
qemu_format_nic_info_str(&n->nic->nc, n->mac);
qemu_format_nic_info_str(qemu_get_queue(n->nic), n->mac);
}
}
@ -108,34 +108,36 @@ static bool virtio_net_started(VirtIONet *n, uint8_t status)
static void virtio_net_vhost_status(VirtIONet *n, uint8_t status)
{
if (!n->nic->nc.peer) {
NetClientState *nc = qemu_get_queue(n->nic);
if (!nc->peer) {
return;
}
if (n->nic->nc.peer->info->type != NET_CLIENT_OPTIONS_KIND_TAP) {
if (nc->peer->info->type != NET_CLIENT_OPTIONS_KIND_TAP) {
return;
}
if (!tap_get_vhost_net(n->nic->nc.peer)) {
if (!tap_get_vhost_net(nc->peer)) {
return;
}
if (!!n->vhost_started == virtio_net_started(n, status) &&
!n->nic->nc.peer->link_down) {
!nc->peer->link_down) {
return;
}
if (!n->vhost_started) {
int r;
if (!vhost_net_query(tap_get_vhost_net(n->nic->nc.peer), &n->vdev)) {
if (!vhost_net_query(tap_get_vhost_net(nc->peer), &n->vdev)) {
return;
}
n->vhost_started = 1;
r = vhost_net_start(tap_get_vhost_net(n->nic->nc.peer), &n->vdev);
r = vhost_net_start(tap_get_vhost_net(nc->peer), &n->vdev);
if (r < 0) {
error_report("unable to start vhost net: %d: "
"falling back on userspace virtio", -r);
n->vhost_started = 0;
}
} else {
vhost_net_stop(tap_get_vhost_net(n->nic->nc.peer), &n->vdev);
vhost_net_stop(tap_get_vhost_net(nc->peer), &n->vdev);
n->vhost_started = 0;
}
}
@ -206,13 +208,16 @@ static void virtio_net_reset(VirtIODevice *vdev)
static void peer_test_vnet_hdr(VirtIONet *n)
{
if (!n->nic->nc.peer)
NetClientState *nc = qemu_get_queue(n->nic);
if (!nc->peer) {
return;
}
if (n->nic->nc.peer->info->type != NET_CLIENT_OPTIONS_KIND_TAP)
if (nc->peer->info->type != NET_CLIENT_OPTIONS_KIND_TAP) {
return;
}
n->has_vnet_hdr = tap_has_vnet_hdr(n->nic->nc.peer);
n->has_vnet_hdr = tap_has_vnet_hdr(nc->peer);
}
static int peer_has_vnet_hdr(VirtIONet *n)
@ -225,7 +230,7 @@ static int peer_has_ufo(VirtIONet *n)
if (!peer_has_vnet_hdr(n))
return 0;
n->has_ufo = tap_has_ufo(n->nic->nc.peer);
n->has_ufo = tap_has_ufo(qemu_get_queue(n->nic)->peer);
return n->has_ufo;
}
@ -238,8 +243,8 @@ static void virtio_net_set_mrg_rx_bufs(VirtIONet *n, int mergeable_rx_bufs)
sizeof(struct virtio_net_hdr_mrg_rxbuf) : sizeof(struct virtio_net_hdr);
if (peer_has_vnet_hdr(n) &&
tap_has_vnet_hdr_len(n->nic->nc.peer, n->guest_hdr_len)) {
tap_set_vnet_hdr_len(n->nic->nc.peer, n->guest_hdr_len);
tap_has_vnet_hdr_len(qemu_get_queue(n->nic)->peer, n->guest_hdr_len)) {
tap_set_vnet_hdr_len(qemu_get_queue(n->nic)->peer, n->guest_hdr_len);
n->host_hdr_len = n->guest_hdr_len;
}
}
@ -247,6 +252,7 @@ static void virtio_net_set_mrg_rx_bufs(VirtIONet *n, int mergeable_rx_bufs)
static uint32_t virtio_net_get_features(VirtIODevice *vdev, uint32_t features)
{
VirtIONet *n = to_virtio_net(vdev);
NetClientState *nc = qemu_get_queue(n->nic);
features |= (1 << VIRTIO_NET_F_MAC);
@ -267,14 +273,13 @@ static uint32_t virtio_net_get_features(VirtIODevice *vdev, uint32_t features)
features &= ~(0x1 << VIRTIO_NET_F_HOST_UFO);
}
if (!n->nic->nc.peer ||
n->nic->nc.peer->info->type != NET_CLIENT_OPTIONS_KIND_TAP) {
if (!nc->peer || nc->peer->info->type != NET_CLIENT_OPTIONS_KIND_TAP) {
return features;
}
if (!tap_get_vhost_net(n->nic->nc.peer)) {
if (!tap_get_vhost_net(nc->peer)) {
return features;
}
return vhost_net_get_features(tap_get_vhost_net(n->nic->nc.peer), features);
return vhost_net_get_features(tap_get_vhost_net(nc->peer), features);
}
static uint32_t virtio_net_bad_features(VirtIODevice *vdev)
@ -295,25 +300,25 @@ static uint32_t virtio_net_bad_features(VirtIODevice *vdev)
static void virtio_net_set_features(VirtIODevice *vdev, uint32_t features)
{
VirtIONet *n = to_virtio_net(vdev);
NetClientState *nc = qemu_get_queue(n->nic);
virtio_net_set_mrg_rx_bufs(n, !!(features & (1 << VIRTIO_NET_F_MRG_RXBUF)));
if (n->has_vnet_hdr) {
tap_set_offload(n->nic->nc.peer,
tap_set_offload(nc->peer,
(features >> VIRTIO_NET_F_GUEST_CSUM) & 1,
(features >> VIRTIO_NET_F_GUEST_TSO4) & 1,
(features >> VIRTIO_NET_F_GUEST_TSO6) & 1,
(features >> VIRTIO_NET_F_GUEST_ECN) & 1,
(features >> VIRTIO_NET_F_GUEST_UFO) & 1);
}
if (!n->nic->nc.peer ||
n->nic->nc.peer->info->type != NET_CLIENT_OPTIONS_KIND_TAP) {
if (!nc->peer || nc->peer->info->type != NET_CLIENT_OPTIONS_KIND_TAP) {
return;
}
if (!tap_get_vhost_net(n->nic->nc.peer)) {
if (!tap_get_vhost_net(nc->peer)) {
return;
}
vhost_net_ack_features(tap_get_vhost_net(n->nic->nc.peer), features);
vhost_net_ack_features(tap_get_vhost_net(nc->peer), features);
}
static int virtio_net_handle_rx_mode(VirtIONet *n, uint8_t cmd,
@ -358,7 +363,7 @@ static int virtio_net_handle_mac(VirtIONet *n, uint8_t cmd,
}
s = iov_to_buf(iov, iov_cnt, 0, &n->mac, sizeof(n->mac));
assert(s == sizeof(n->mac));
qemu_format_nic_info_str(&n->nic->nc, n->mac);
qemu_format_nic_info_str(qemu_get_queue(n->nic), n->mac);
return VIRTIO_NET_OK;
}
@ -496,7 +501,7 @@ static void virtio_net_handle_rx(VirtIODevice *vdev, VirtQueue *vq)
{
VirtIONet *n = to_virtio_net(vdev);
qemu_flush_queued_packets(&n->nic->nc);
qemu_flush_queued_packets(qemu_get_queue(n->nic));
}
static int virtio_net_can_receive(NetClientState *nc)
@ -638,8 +643,9 @@ static ssize_t virtio_net_receive(NetClientState *nc, const uint8_t *buf, size_t
unsigned mhdr_cnt = 0;
size_t offset, i, guest_offset;
if (!virtio_net_can_receive(&n->nic->nc))
if (!virtio_net_can_receive(qemu_get_queue(n->nic))) {
return -1;
}
/* hdr_len refers to the header we supply to the guest */
if (!virtio_net_has_buffers(n, size + n->guest_hdr_len - n->host_hdr_len))
@ -787,7 +793,7 @@ static int32_t virtio_net_flush_tx(VirtIONet *n, VirtQueue *vq)
len = n->guest_hdr_len;
ret = qemu_sendv_packet_async(&n->nic->nc, out_sg, out_num,
ret = qemu_sendv_packet_async(qemu_get_queue(n->nic), out_sg, out_num,
virtio_net_tx_complete);
if (ret == 0) {
virtio_queue_set_notification(n->tx_vq, 0);
@ -984,7 +990,7 @@ static int virtio_net_load(QEMUFile *f, void *opaque, int version_id)
}
if (n->has_vnet_hdr) {
tap_set_offload(n->nic->nc.peer,
tap_set_offload(qemu_get_queue(n->nic)->peer,
(n->vdev.guest_features >> VIRTIO_NET_F_GUEST_CSUM) & 1,
(n->vdev.guest_features >> VIRTIO_NET_F_GUEST_TSO4) & 1,
(n->vdev.guest_features >> VIRTIO_NET_F_GUEST_TSO6) & 1,
@ -1022,7 +1028,7 @@ static int virtio_net_load(QEMUFile *f, void *opaque, int version_id)
/* nc.link_down can't be migrated, so infer link_down according
* to link status bit in n->status */
n->nic->nc.link_down = (n->status & VIRTIO_NET_S_LINK_UP) == 0;
qemu_get_queue(n->nic)->link_down = (n->status & VIRTIO_NET_S_LINK_UP) == 0;
return 0;
}
@ -1046,16 +1052,18 @@ static NetClientInfo net_virtio_info = {
static bool virtio_net_guest_notifier_pending(VirtIODevice *vdev, int idx)
{
VirtIONet *n = to_virtio_net(vdev);
NetClientState *nc = qemu_get_queue(n->nic);
assert(n->vhost_started);
return vhost_net_virtqueue_pending(tap_get_vhost_net(n->nic->nc.peer), idx);
return vhost_net_virtqueue_pending(tap_get_vhost_net(nc->peer), idx);
}
static void virtio_net_guest_notifier_mask(VirtIODevice *vdev, int idx,
bool mask)
{
VirtIONet *n = to_virtio_net(vdev);
NetClientState *nc = qemu_get_queue(n->nic);
assert(n->vhost_started);
vhost_net_virtqueue_mask(tap_get_vhost_net(n->nic->nc.peer),
vhost_net_virtqueue_mask(tap_get_vhost_net(nc->peer),
vdev, idx, mask);
}
@ -1102,13 +1110,13 @@ VirtIODevice *virtio_net_init(DeviceState *dev, NICConf *conf,
n->nic = qemu_new_nic(&net_virtio_info, conf, object_get_typename(OBJECT(dev)), dev->id, n);
peer_test_vnet_hdr(n);
if (peer_has_vnet_hdr(n)) {
tap_using_vnet_hdr(n->nic->nc.peer, true);
tap_using_vnet_hdr(qemu_get_queue(n->nic)->peer, true);
n->host_hdr_len = sizeof(struct virtio_net_hdr);
} else {
n->host_hdr_len = 0;
}
qemu_format_nic_info_str(&n->nic->nc, conf->macaddr.a);
qemu_format_nic_info_str(qemu_get_queue(n->nic), conf->macaddr.a);
n->tx_waiting = 0;
n->tx_burst = net->txburst;
@ -1135,7 +1143,7 @@ void virtio_net_exit(VirtIODevice *vdev)
/* This will stop vhost backend if appropriate. */
virtio_net_set_status(vdev, 0);
qemu_purge_queued_packets(&n->nic->nc);
qemu_purge_queued_packets(qemu_get_queue(n->nic));
unregister_savevm(n->qdev, "virtio-net", n);
@ -1149,6 +1157,6 @@ void virtio_net_exit(VirtIODevice *vdev)
qemu_bh_delete(n->tx_bh);
}
qemu_del_net_client(&n->nic->nc);
qemu_del_net_client(qemu_get_queue(n->nic));
virtio_cleanup(&n->vdev);
}

13
hw/xen_nic.c
View File

@ -185,9 +185,11 @@ static void net_tx_packets(struct XenNetDev *netdev)
}
memcpy(tmpbuf, page + txreq.offset, txreq.size);
net_checksum_calculate(tmpbuf, txreq.size);
qemu_send_packet(&netdev->nic->nc, tmpbuf, txreq.size);
qemu_send_packet(qemu_get_queue(netdev->nic), tmpbuf,
txreq.size);
} else {
qemu_send_packet(&netdev->nic->nc, page + txreq.offset, txreq.size);
qemu_send_packet(qemu_get_queue(netdev->nic),
page + txreq.offset, txreq.size);
}
xc_gnttab_munmap(netdev->xendev.gnttabdev, page, 1);
net_tx_response(netdev, &txreq, NETIF_RSP_OKAY);
@ -329,7 +331,8 @@ static int net_init(struct XenDevice *xendev)
netdev->nic = qemu_new_nic(&net_xen_info, &netdev->conf,
"xen", NULL, netdev);
snprintf(netdev->nic->nc.info_str, sizeof(netdev->nic->nc.info_str),
snprintf(qemu_get_queue(netdev->nic)->info_str,
sizeof(qemu_get_queue(netdev->nic)->info_str),
"nic: xenbus vif macaddr=%s", netdev->mac);
/* fill info */
@ -405,7 +408,7 @@ static void net_disconnect(struct XenDevice *xendev)
netdev->rxs = NULL;
}
if (netdev->nic) {
qemu_del_net_client(&netdev->nic->nc);
qemu_del_net_client(qemu_get_queue(netdev->nic));
netdev->nic = NULL;
}
}
@ -414,7 +417,7 @@ static void net_event(struct XenDevice *xendev)
{
struct XenNetDev *netdev = container_of(xendev, struct XenNetDev, xendev);
net_tx_packets(netdev);
qemu_flush_queued_packets(&netdev->nic->nc);
qemu_flush_queued_packets(qemu_get_queue(netdev->nic));
}
static int net_free(struct XenDevice *xendev)

4
hw/xgmac.c
View File

@ -235,7 +235,7 @@ static void xgmac_enet_send(struct XgmacState *s)
frame_size += len;
if (bd.ctl_stat & 0x20000000) {
/* Last buffer in frame. */
qemu_send_packet(&s->nic->nc, frame, len);
qemu_send_packet(qemu_get_queue(s->nic), frame, len);
ptr = frame;
frame_size = 0;
s->regs[DMA_STATUS] |= DMA_STATUS_TI | DMA_STATUS_NIS;
@ -391,7 +391,7 @@ static int xgmac_enet_init(SysBusDevice *dev)
qemu_macaddr_default_if_unset(&s->conf.macaddr);
s->nic = qemu_new_nic(&net_xgmac_enet_info, &s->conf,
object_get_typename(OBJECT(dev)), dev->qdev.id, s);
qemu_format_nic_info_str(&s->nic->nc, s->conf.macaddr.a);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
s->regs[XGMAC_ADDR_HIGH(0)] = (s->conf.macaddr.a[5] << 8) |
s->conf.macaddr.a[4];

4
hw/xilinx_axienet.c
View File

@ -826,7 +826,7 @@ axienet_stream_push(StreamSlave *obj, uint8_t *buf, size_t size, uint32_t *hdr)
buf[write_off + 1] = csum & 0xff;
}
qemu_send_packet(&s->nic->nc, buf, size);
qemu_send_packet(qemu_get_queue(s->nic), buf, size);
s->stats.tx_bytes += size;
s->regs[R_IS] |= IS_TX_COMPLETE;
@ -853,7 +853,7 @@ static int xilinx_enet_init(SysBusDevice *dev)
qemu_macaddr_default_if_unset(&s->conf.macaddr);
s->nic = qemu_new_nic(&net_xilinx_enet_info, &s->conf,
object_get_typename(OBJECT(dev)), dev->qdev.id, s);
qemu_format_nic_info_str(&s->nic->nc, s->conf.macaddr.a);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
tdk_init(&s->TEMAC.phy);
mdio_attach(&s->TEMAC.mdio_bus, &s->TEMAC.phy, s->c_phyaddr);

6
hw/xilinx_ethlite.c
View File

@ -118,7 +118,7 @@ eth_write(void *opaque, hwaddr addr,
D(qemu_log("%s addr=" TARGET_FMT_plx " val=%x\n",
__func__, addr * 4, value));
if ((value & (CTRL_P | CTRL_S)) == CTRL_S) {
qemu_send_packet(&s->nic->nc,
qemu_send_packet(qemu_get_queue(s->nic),
(void *) &s->regs[base],
s->regs[base + R_TX_LEN0]);
D(qemu_log("eth_tx %d\n", s->regs[base + R_TX_LEN0]));
@ -139,7 +139,7 @@ eth_write(void *opaque, hwaddr addr,
case R_RX_CTRL0:
case R_RX_CTRL1:
if (!(value & CTRL_S)) {
qemu_flush_queued_packets(&s->nic->nc);
qemu_flush_queued_packets(qemu_get_queue(s->nic));
}
case R_TX_LEN0:
case R_TX_LEN1:
@ -228,7 +228,7 @@ static int xilinx_ethlite_init(SysBusDevice *dev)
qemu_macaddr_default_if_unset(&s->conf.macaddr);
s->nic = qemu_new_nic(&net_xilinx_ethlite_info, &s->conf,
object_get_typename(OBJECT(dev)), dev->qdev.id, s);
qemu_format_nic_info_str(&s->nic->nc, s->conf.macaddr.a);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
return 0;
}

1
include/net/net.h
View File

@ -77,6 +77,7 @@ NICState *qemu_new_nic(NetClientInfo *info,
const char *model,
const char *name,
void *opaque);
NetClientState *qemu_get_queue(NICState *nic);
void qemu_del_net_client(NetClientState *nc);
NetClientState *qemu_find_vlan_client_by_name(Monitor *mon, int vlan_id,
const char *client_str);

5
net/net.c
View File

@ -234,6 +234,11 @@ NICState *qemu_new_nic(NetClientInfo *info,
return nic;
}
NetClientState *qemu_get_queue(NICState *nic)
{
return &nic->nc;
}
static void qemu_cleanup_net_client(NetClientState *nc)
{
QTAILQ_REMOVE(&net_clients, nc, next);

2
savevm.c
View File

@ -81,7 +81,7 @@ static void qemu_announce_self_iter(NICState *nic, void *opaque)
len = announce_self_create(buf, nic->conf->macaddr.a);
qemu_send_packet_raw(&nic->nc, buf, len);
qemu_send_packet_raw(qemu_get_queue(nic), buf, len);
}