PCIErr = 0x8000,
PCSTimeout = 0x4000,
RxFIFOOver = 0x40,
- RxUnderrun = 0x20,
+ RxUnderrun = 0x20, /* Packet Underrun / Link Change */
RxOverflow = 0x10,
TxErr = 0x08,
TxOK = 0x04,
#define MIN_BUF_SIZE 60
static inline dma_addr_t rtl8139_addr64(uint32_t low, uint32_t high)
{
-#if TARGET_PHYS_ADDR_BITS > 32
- return low | ((target_phys_addr_t)high << 32);
-#else
- return low;
-#endif
+ return low | ((uint64_t)high << 32);
+}
+
+/* Workaround for buggy guest driver such as linux who allocates rx
+ * rings after the receiver were enabled. */
+static bool rtl8139_cp_rx_valid(RTL8139State *s)
+{
+ return !(s->RxRingAddrLO == 0 && s->RxRingAddrHI == 0);
}
-static int rtl8139_can_receive(VLANClientState *nc)
+static int rtl8139_can_receive(NetClientState *nc)
{
RTL8139State *s = DO_UPCAST(NICState, nc, nc)->opaque;
int avail;
if (!rtl8139_receiver_enabled(s))
return 1;
- if (rtl8139_cp_receiver_enabled(s)) {
+ if (rtl8139_cp_receiver_enabled(s) && rtl8139_cp_rx_valid(s)) {
/* ??? Flow control not implemented in c+ mode.
This is a hack to work around slirp deficiencies anyway. */
return 1;
} else {
avail = MOD2(s->RxBufferSize + s->RxBufPtr - s->RxBufAddr,
s->RxBufferSize);
- return (avail == 0 || avail >= 1514);
+ return (avail == 0 || avail >= 1514 || (s->IntrMask & RxOverflow));
}
}
-static ssize_t rtl8139_do_receive(VLANClientState *nc, const uint8_t *buf, size_t size_, int do_interrupt)
+static ssize_t rtl8139_do_receive(NetClientState *nc, const uint8_t *buf, size_t size_, int do_interrupt)
{
RTL8139State *s = DO_UPCAST(NICState, nc, nc)->opaque;
/* size is the length of the buffer passed to the driver */
if (rtl8139_cp_receiver_enabled(s))
{
+ if (!rtl8139_cp_rx_valid(s)) {
+ return size;
+ }
+
DPRINTF("in C+ Rx mode ================\n");
/* begin C+ receiver mode */
return size_;
}
-static ssize_t rtl8139_receive(VLANClientState *nc, const uint8_t *buf, size_t size)
+static ssize_t rtl8139_receive(NetClientState *nc, const uint8_t *buf, size_t size)
{
return rtl8139_do_receive(nc, buf, size, 1);
}
if (iov) {
buf2_size = iov_size(iov, 3);
buf2 = g_malloc(buf2_size);
- iov_to_buf(iov, 3, buf2, 0, buf2_size);
+ iov_to_buf(iov, 3, 0, buf2, buf2_size);
buf = buf2;
}
if (descriptor == 0 && (val & 0x8))
{
- target_phys_addr_t tc_addr = rtl8139_addr64(s->TxStatus[0] & ~0x3f, s->TxStatus[1]);
+ hwaddr tc_addr = rtl8139_addr64(s->TxStatus[0] & ~0x3f, s->TxStatus[1]);
/* dump tally counters to specified memory location */
RTL8139TallyCounters_dma_write(s, tc_addr);
rtl8139_transmit(s);
}
-static uint32_t rtl8139_TxStatus_read(RTL8139State *s, uint8_t addr, int size)
+static uint32_t rtl8139_TxStatus_TxAddr_read(RTL8139State *s, uint32_t regs[],
+ uint32_t base, uint8_t addr,
+ int size)
{
- uint32_t reg = (addr - TxStatus0) / 4;
+ uint32_t reg = (addr - base) / 4;
uint32_t offset = addr & 0x3;
uint32_t ret = 0;
if (addr & (size - 1)) {
- DPRINTF("not implemented read for TxStatus addr=0x%x size=0x%x\n", addr,
- size);
+ DPRINTF("not implemented read for TxStatus/TxAddr "
+ "addr=0x%x size=0x%x\n", addr, size);
return ret;
}
case 1: /* fall through */
case 2: /* fall through */
case 4:
- ret = (s->TxStatus[reg] >> offset * 8) & ((1 << (size * 8)) - 1);
- DPRINTF("TxStatus[%d] read addr=0x%x size=0x%x val=0x%08x\n", reg, addr,
- size, ret);
+ ret = (regs[reg] >> offset * 8) & (((uint64_t)1 << (size * 8)) - 1);
+ DPRINTF("TxStatus/TxAddr[%d] read addr=0x%x size=0x%x val=0x%08x\n",
+ reg, addr, size, ret);
break;
default:
- DPRINTF("unsupported size 0x%x of TxStatus reading\n", size);
+ DPRINTF("unsupported size 0x%x of TxStatus/TxAddr reading\n", size);
break;
}
ret = s->mult[addr - MAR0];
break;
case TxStatus0 ... TxStatus0+4*4-1:
- ret = rtl8139_TxStatus_read(s, addr, 1);
+ ret = rtl8139_TxStatus_TxAddr_read(s, s->TxStatus, TxStatus0,
+ addr, 1);
break;
case ChipCmd:
ret = rtl8139_ChipCmd_read(s);
break;
case MediaStatus:
- ret = 0xd0;
+ /* The LinkDown bit of MediaStatus is inverse with link status */
+ ret = 0xd0 | (~s->BasicModeStatus & 0x04);
DPRINTF("MediaStatus read 0x%x\n", ret);
break;
switch (addr)
{
case TxAddr0 ... TxAddr0+4*4-1:
- ret = rtl8139_TxStatus_read(s, addr, 2);
+ ret = rtl8139_TxStatus_TxAddr_read(s, s->TxAddr, TxAddr0, addr, 2);
break;
case IntrMask:
ret = rtl8139_IntrMask_read(s);
break;
case TxStatus0 ... TxStatus0+4*4-1:
- ret = rtl8139_TxStatus_read(s, addr, 4);
+ ret = rtl8139_TxStatus_TxAddr_read(s, s->TxStatus, TxStatus0,
+ addr, 4);
break;
case TxAddr0 ... TxAddr0+4*4-1:
/* */
-static void rtl8139_mmio_writeb(void *opaque, target_phys_addr_t addr, uint32_t val)
+static void rtl8139_mmio_writeb(void *opaque, hwaddr addr, uint32_t val)
{
rtl8139_io_writeb(opaque, addr & 0xFF, val);
}
-static void rtl8139_mmio_writew(void *opaque, target_phys_addr_t addr, uint32_t val)
+static void rtl8139_mmio_writew(void *opaque, hwaddr addr, uint32_t val)
{
rtl8139_io_writew(opaque, addr & 0xFF, val);
}
-static void rtl8139_mmio_writel(void *opaque, target_phys_addr_t addr, uint32_t val)
+static void rtl8139_mmio_writel(void *opaque, hwaddr addr, uint32_t val)
{
rtl8139_io_writel(opaque, addr & 0xFF, val);
}
-static uint32_t rtl8139_mmio_readb(void *opaque, target_phys_addr_t addr)
+static uint32_t rtl8139_mmio_readb(void *opaque, hwaddr addr)
{
return rtl8139_io_readb(opaque, addr & 0xFF);
}
-static uint32_t rtl8139_mmio_readw(void *opaque, target_phys_addr_t addr)
+static uint32_t rtl8139_mmio_readw(void *opaque, hwaddr addr)
{
uint32_t val = rtl8139_io_readw(opaque, addr & 0xFF);
return val;
}
-static uint32_t rtl8139_mmio_readl(void *opaque, target_phys_addr_t addr)
+static uint32_t rtl8139_mmio_readl(void *opaque, hwaddr addr)
{
uint32_t val = rtl8139_io_readl(opaque, addr & 0xFF);
return val;
s->cplus_enabled = s->CpCmd != 0;
}
+ /* 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;
+
return 0;
}
rtl8139_set_next_tctr_time(s, qemu_get_clock_ns(vm_clock));
}
-static void rtl8139_cleanup(VLANClientState *nc)
+static void rtl8139_cleanup(NetClientState *nc)
{
RTL8139State *s = DO_UPCAST(NICState, nc, nc)->opaque;
s->nic = NULL;
}
-static int pci_rtl8139_uninit(PCIDevice *dev)
+static void pci_rtl8139_uninit(PCIDevice *dev)
{
RTL8139State *s = DO_UPCAST(RTL8139State, dev, dev);
}
qemu_del_timer(s->timer);
qemu_free_timer(s->timer);
- qemu_del_vlan_client(&s->nic->nc);
- return 0;
+ qemu_del_net_client(&s->nic->nc);
+}
+
+static void rtl8139_set_link_status(NetClientState *nc)
+{
+ RTL8139State *s = DO_UPCAST(NICState, nc, nc)->opaque;
+
+ if (nc->link_down) {
+ s->BasicModeStatus &= ~0x04;
+ } else {
+ s->BasicModeStatus |= 0x04;
+ }
+
+ s->IntrStatus |= RxUnderrun;
+ rtl8139_update_irq(s);
}
static NetClientInfo net_rtl8139_info = {
- .type = NET_CLIENT_TYPE_NIC,
+ .type = NET_CLIENT_OPTIONS_KIND_NIC,
.size = sizeof(NICState),
.can_receive = rtl8139_can_receive,
.receive = rtl8139_receive,
.cleanup = rtl8139_cleanup,
+ .link_status_changed = rtl8139_set_link_status,
};
static int pci_rtl8139_init(PCIDevice *dev)
projects / mirror_qemu.git / blobdiff