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pcnet: Drop unused recv_pos field 

This state field was never used, simply remained 0. Drop it from the
PCNetState and update the save/restore code accordingly, keeping
backward compatibility.

Patchworks-ID: 35314
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Jan Kiszka 2009-10-07 18:19:40 +02:00 committed by Anthony Liguori
parent 8f3cec0be8
commit efb56cf7c2
1 changed files with 8 additions and 13 deletions
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21
hw/pcnet.c
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@ -69,7 +69,7 @@ struct PCNetState_st {
uint16_t csr[128];
uint16_t bcr[32];
uint64_t timer;
int mmio_index, xmit_pos, recv_pos;
int mmio_index, xmit_pos;
uint8_t buffer[4096];
int tx_busy;
qemu_irq irq;
@ -1067,9 +1067,6 @@ static int pcnet_can_receive(VLANClientState *vc)
if (CSR_STOP(s) || CSR_SPND(s))
return 0;
if (s->recv_pos > 0)
return 0;
return sizeof(s->buffer)-16;
}
@ -1896,7 +1893,6 @@ static void pcnet_save(QEMUFile *f, void *opaque)
qemu_put_be16s(f, &s->bcr[i]);
qemu_put_be64s(f, &s->timer);
qemu_put_sbe32(f, s->xmit_pos);
qemu_put_sbe32(f, s->recv_pos);
qemu_put_buffer(f, s->buffer, 4096);
qemu_put_sbe32(f, s->tx_busy);
qemu_put_timer(f, s->poll_timer);
@ -1905,9 +1901,9 @@ static void pcnet_save(QEMUFile *f, void *opaque)
static int pcnet_load(QEMUFile *f, void *opaque, int version_id)
{
PCNetState *s = opaque;
int i;
int i, dummy;
if (version_id != 2)
if (version_id < 2 || version_id > 3)
return -EINVAL;
qemu_get_sbe32s(f, &s->rap);
@ -1922,7 +1918,9 @@ static int pcnet_load(QEMUFile *f, void *opaque, int version_id)
qemu_get_be16s(f, &s->bcr[i]);
qemu_get_be64s(f, &s->timer);
qemu_get_sbe32s(f, &s->xmit_pos);
qemu_get_sbe32s(f, &s->recv_pos);
if (version_id == 2) {
qemu_get_sbe32s(f, &dummy);
}
qemu_get_buffer(f, s->buffer, 4096);
qemu_get_sbe32s(f, &s->tx_busy);
qemu_get_timer(f, s->poll_timer);
@ -1943,9 +1941,6 @@ static int pci_pcnet_load(QEMUFile *f, void *opaque, int version_id)
PCIPCNetState *s = opaque;
int ret;
if (version_id != 2)
return -EINVAL;
ret = pci_device_load(&s->pci_dev, f);
if (ret < 0)
return ret;
@ -2071,7 +2066,7 @@ static int pci_pcnet_init(PCIDevice *pci_dev)
s->phys_mem_read = pci_physical_memory_read;
s->phys_mem_write = pci_physical_memory_write;
register_savevm("pcnet", -1, 2, pci_pcnet_save, pci_pcnet_load, d);
register_savevm("pcnet", -1, 3, pci_pcnet_save, pci_pcnet_load, d);
return pcnet_common_init(&pci_dev->qdev, s, pci_pcnet_cleanup);
}
@ -2148,7 +2143,7 @@ static int lance_init(SysBusDevice *dev)
s->phys_mem_read = ledma_memory_read;
s->phys_mem_write = ledma_memory_write;
register_savevm("pcnet", -1, 2, pcnet_save, pcnet_load, s);
register_savevm("pcnet", -1, 3, pcnet_save, pcnet_load, s);
return pcnet_common_init(&dev->qdev, s, lance_cleanup);
}