#include <zlib.h>
#include "hw.h"
-#include "pci.h"
-#include "dma.h"
-#include "qemu-timer.h"
-#include "net.h"
+#include "pci/pci.h"
+#include "sysemu/dma.h"
+#include "qemu/timer.h"
+#include "net/net.h"
#include "loader.h"
-#include "sysemu.h"
-#include "iov.h"
+#include "sysemu/sysemu.h"
+#include "qemu/iov.h"
/* debug RTL8139 card */
//#define DEBUG_RTL8139 1
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;
+ RTL8139State *s = qemu_get_nic_opaque(nc);
int avail;
/* Receive (drop) packets if card is disabled. */
return 1;
if (!rtl8139_receiver_enabled(s))
return 1;
- /* network/host communication happens only in normal mode */
- if ((s->Cfg9346 & Chip9346_op_mask) != Cfg9346_Normal)
- return 0;
- 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;
+ RTL8139State *s = qemu_get_nic_opaque(nc);
/* size is the length of the buffer passed to the driver */
int size = size_;
const uint8_t *dot1q_buf = NULL;
return -1;
}
- /* check whether we are in normal mode */
- if ((s->Cfg9346 & Chip9346_op_mask) != Cfg9346_Normal) {
- DPRINTF("not in normal op mode\n");
- return -1;
- }
-
/* XXX: check this */
if (s->RxConfig & AcceptAllPhys) {
/* promiscuous: receive all */
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);
}
s->BasicModeStatus = 0x7809;
//s->BasicModeStatus |= 0x0040; /* UTP medium */
s->BasicModeStatus |= 0x0020; /* autonegotiation completed */
- s->BasicModeStatus |= 0x0004; /* link is up */
+ /* preserve link state */
+ 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 */
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;
}
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);
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);
}
}
}
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);
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;
/* */
-static void rtl8139_ioport_writeb(void *opaque, uint32_t addr, uint32_t val)
-{
- rtl8139_io_writeb(opaque, addr & 0xFF, val);
-}
-
-static void rtl8139_ioport_writew(void *opaque, uint32_t addr, uint32_t val)
-{
- rtl8139_io_writew(opaque, addr & 0xFF, val);
-}
-
-static void rtl8139_ioport_writel(void *opaque, uint32_t addr, uint32_t val)
-{
- rtl8139_io_writel(opaque, addr & 0xFF, val);
-}
-
-static uint32_t rtl8139_ioport_readb(void *opaque, uint32_t addr)
-{
- return rtl8139_io_readb(opaque, addr & 0xFF);
-}
-
-static uint32_t rtl8139_ioport_readw(void *opaque, uint32_t addr)
-{
- return rtl8139_io_readw(opaque, addr & 0xFF);
-}
-
-static uint32_t rtl8139_ioport_readl(void *opaque, uint32_t addr)
-{
- return rtl8139_io_readl(opaque, addr & 0xFF);
-}
-
-/* */
-
-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 */
+ qemu_get_queue(s->nic)->link_down = (s->BasicModeStatus & 0x04) == 0;
+
return 0;
}
/***********************************************************/
/* PCI RTL8139 definitions */
-static const MemoryRegionPortio rtl8139_portio[] = {
- { 0, 0x100, 1, .read = rtl8139_ioport_readb, },
- { 0, 0x100, 1, .write = rtl8139_ioport_writeb, },
- { 0, 0x100, 2, .read = rtl8139_ioport_readw, },
- { 0, 0x100, 2, .write = rtl8139_ioport_writew, },
- { 0, 0x100, 4, .read = rtl8139_ioport_readl, },
- { 0, 0x100, 4, .write = rtl8139_ioport_writel, },
- PORTIO_END_OF_LIST()
-};
+static void rtl8139_ioport_write(void *opaque, hwaddr addr,
+ uint64_t val, unsigned size)
+{
+ switch (size) {
+ case 1:
+ rtl8139_io_writeb(opaque, addr, val);
+ break;
+ case 2:
+ rtl8139_io_writew(opaque, addr, val);
+ break;
+ case 4:
+ rtl8139_io_writel(opaque, addr, val);
+ break;
+ }
+}
+
+static uint64_t rtl8139_ioport_read(void *opaque, hwaddr addr,
+ unsigned size)
+{
+ switch (size) {
+ case 1:
+ return rtl8139_io_readb(opaque, addr);
+ case 2:
+ return rtl8139_io_readw(opaque, addr);
+ case 4:
+ return rtl8139_io_readl(opaque, addr);
+ }
+
+ return -1;
+}
static const MemoryRegionOps rtl8139_io_ops = {
- .old_portio = rtl8139_portio,
+ .read = rtl8139_ioport_read,
+ .write = rtl8139_ioport_write,
+ .impl = {
+ .min_access_size = 1,
+ .max_access_size = 4,
+ },
.endianness = DEVICE_LITTLE_ENDIAN,
};
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;
+ RTL8139State *s = qemu_get_nic_opaque(nc);
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_nic(s->nic);
+}
+
+static void rtl8139_set_link_status(NetClientState *nc)
+{
+ RTL8139State *s = qemu_get_nic_opaque(nc);
+
+ 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)
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;
dc->props = rtl8139_properties;
}
-static TypeInfo rtl8139_info = {
+static const TypeInfo rtl8139_info = {
.name = "rtl8139",
.parent = TYPE_PCI_DEVICE,
.instance_size = sizeof(RTL8139State),
projects / qemu.git / blobdiff