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net: introduce qemu_get_queue()

Browse Source 
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
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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);
}