struct vm_device *current_vnic;
-#define compare_mac(src, dst) ({ \
- ((src[0] == dst[0]) && \
- (src[1] == dst[1]) && \
- (src[2] == dst[2]) && \
- (src[3] == dst[3]) && \
- (src[4] == dst[4]) && \
- (src[5] == dst[5]))? 1:0; \
+#define compare_mac(src, dst) ({ \
+ ( (src[0] == dst[0]) && \
+ (src[1] == dst[1]) && \
+ (src[2] == dst[2]) && \
+ (src[3] == dst[3]) && \
+ (src[4] == dst[4]) && \
+ (src[5] == dst[5]) ) ? 1 : 0; \
})
-static void dump_state(struct vm_device *dev)
-{
- int i;
- uchar_t *p;
- struct nic_context *nic_state = (struct nic_context *)dev->private_data;
- PrintDebug("====VNIC: Dumping state Begin ==========\n");
- PrintDebug("Registers:\n");
- p = (uchar_t *)&nic_state->regs;
- for(i = 0; i < sizeof(struct nic_regs); i++)
- PrintDebug("Regs[i] = 0x%2x\n", (int)p[i]);
-
- PrintDebug("Memory:\n");
- for(i = 0; i < 32; i++)
+
+
+/*
+ * Host/Network byte conversion functions
+ * TODO: These are not compiler safe
+ * TODO: consistent names would be nice...
+ */
+
+static inline uint16_t cpu2le16(uint16_t val) {
+ uint16_t p = 0;
+ uchar_t * p1 = (uchar_t *)&p;
+
+ p1[0] = val;
+ p1[1] = val >> 8;
+
+ return p;
+}
+
+
+static inline uint32_t cpu2le32(uint32_t val) {
+ uint32_t p = 0;
+ uchar_t * p1 = (uchar_t *)&p;
+
+ p1[0] = val;
+ p1[1] = val >> 8;
+ p1[2] = val >> 16;
+ p1[3] = val >> 24;
+
+ return p;
+}
+
+static inline uint16_t le16_to_cpu(const uint16_t * p) {
+ const uchar_t * p1 = (const uchar_t *)p;
+ return p1[0] | (p1[1] << 8);
+}
+
+static inline uint32_t le32_to_cpu(const uint32_t *p) {
+ const uchar_t * p1 = (const uchar_t *)p;
+ return p1[0] | (p1[1] << 8) | (p1[2] << 16) | (p1[3] << 24);
+}
+
+
+
+
+static void dump_state(struct vm_device * dev) {
+ int i = 0;
+ uchar_t * p = NULL;
+ struct nic_context * nic_state = (struct nic_context *)dev->private_data;
+
+ PrintDebug("====VNIC: Dumping state Begin ==========\n");
+ PrintDebug("Registers:\n");
+
+ p = (uchar_t *)&nic_state->regs;
+
+ for (i = 0; i < sizeof(struct nic_regs); i++) {
+ PrintDebug("Regs[i] = 0x%2x\n", (int)p[i]);
+ }
+
+ PrintDebug("Memory:\n");
+
+ for (i = 0; i < 32; i++) {
PrintDebug("0x%02x ", nic_state->mem[i]);
- PrintDebug("\n");
- PrintDebug("====VNIC: Dumping state End==========\n");
+ }
+
+ PrintDebug("\n");
+ PrintDebug("====VNIC: Dumping state End==========\n");
}
-static void vnic_update_irq(struct vm_device *dev)
-{
- int isr;
- struct nic_context *nic_state = (struct nic_context *)dev->private_data;
- struct guest_info *guest = dev->vm;
-
- isr = ((nic_state->regs.isr & nic_state->regs.imr) & 0x7f);
+static void vnic_update_irq(struct vm_device * dev) {
+ struct nic_context * nic_state = (struct nic_context *)dev->private_data;
+ struct guest_info * guest = dev->vm;
+
+ int isr = ((nic_state->regs.isr & nic_state->regs.imr) & 0x7f);
if ((isr & 0x7f) != 0x0) {
v3_raise_irq(guest, NIC_IRQ);
}
}
-static void init_vnic_context(struct vm_device *dev)
-{
+static void init_vnic_context(struct vm_device * dev) {
struct nic_context *nic_state = (struct nic_context *)dev->private_data;
int i;
uchar_t mac[6] = {0x52, 0x54, 0x0, 0x12, 0x34, 0x56};
nic_state->regs.imr = 0x00;
nic_state->regs.cmd = 0x22;
- for (i = 0; i < 6; i++)
+ for (i = 0; i < 6; i++) {
nic_state->regs.macaddr[i] = nic_state->mac[i] = mac[i];
+ }
- for (i = 0; i < 8; i++)
+ for (i = 0; i < 8; i++) {
nic_state->regs.mult[i] = 0xff;
+ }
for(i = 0; i < 32; i++) {
nic_state->mem[i] = 0xff;
nic_state->mem[15] = 0x57;
dump_state(dev);
-
}
-static int vnic_send_packet(struct vm_device *dev, uchar_t *pkt, int length)
-{
+
+
+static int vnic_send_packet(struct vm_device *dev, uchar_t *pkt, int length) {
int i;
PrintDebug("\nVNIC: Sending Packet\n");
- for (i = 0; i<length; i++)
- PrintDebug("%x ",pkt[i]);
+ for (i = 0; i<length; i++) {
+ PrintDebug("%x ",pkt[i]);
+ }
+
PrintDebug("\n");
return V3_SEND_PKT(pkt, length);
}
-struct vm_device * get_rx_dev(uchar_t *dst_mac)
-{
- struct nic_context *nic_state = (struct nic_context *)current_vnic->private_data;
- struct nic_regs *nregs = &(nic_state->regs);
+struct vm_device * get_rx_dev(uchar_t * dst_mac) {
+ struct nic_context * nic_state = (struct nic_context *)current_vnic->private_data;
+ struct nic_regs * nregs = &(nic_state->regs);
static const uchar_t brocast_mac[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
// promiscuous model
} else {
if (compare_mac(dst_mac, brocast_mac)) { //broadcast address
- if (!(nregs->rcr & 0x04))
+ if (!(nregs->rcr & 0x04)) {
return NULL;
+ }
} else if (dst_mac[0] & 0x01) {
// multicast packet, not fully done here
// ==========
- if (!(nregs->rcr & 0x08))
+ if (!(nregs->rcr & 0x08)) {
return NULL;
+ }
} else if (!compare_mac(dst_mac, nic_state->mac)) {
return NULL;
} else {
-
+ // TODO: ELSE??
}
}
return current_vnic;
}
-static int vnic_rxbuf_full(struct vm_device *dev)
-{
+static int vnic_rxbuf_full(struct vm_device * dev) {
int empty, index, boundary;
- struct nic_context *nic_state = (struct nic_context *)dev->private_data;
+ struct nic_context * nic_state = (struct nic_context *)dev->private_data;
index = nic_state->regs.curpag << 8;
boundary = nic_state->regs.boundary << 8;
- if (index < boundary)
+ if (index < boundary) {
empty = boundary - index;
- else
+ } else {
empty = ((nic_state->regs.pgstop - nic_state->regs.pgstart) << 8) - (index - boundary);
-
- if (empty < (MAX_ETH_FRAME_SIZE + 4))
+ }
+
+ if (empty < (MAX_ETH_FRAME_SIZE + 4)) {
return 1;
-
+ }
+
return 0;
}
#define MIN_BUF_SIZE 60
-static void vnic_receive(struct vm_device *dev, const uchar_t *pkt, int length)
-{
- struct nic_context *nic_state = (struct nic_context *)dev->private_data;
- struct nic_regs *nregs = &(nic_state->regs);
- uchar_t *p;
- uint32_t total_len, next, len, index, empty;
+static void vnic_receive(struct vm_device * dev, const uchar_t * pkt, int length) {
+ struct nic_context * nic_state = (struct nic_context *)dev->private_data;
+ struct nic_regs * nregs = &(nic_state->regs);
+
+ uchar_t * p = NULL;
+ uint32_t total_len = 0;
+ uint32_t next = 0;
+ uint32_t len = 0;
+ uint32_t index = 0;
+ uint32_t empty = 0;
uchar_t buf[60];
- uint32_t start, stop;
-
-
+ uint32_t start = nregs->pgstart << 8;
+ uint32_t stop = nregs->pgstop << 8;
+
//PrintDebug("VNIC: received packet, len=%d\n", length);
-
- start = nregs->pgstart << 8;
- stop = nregs->pgstop << 8;
- if (nregs->cmd & NE2K_STOP)
- return;
+ if (nregs->cmd & NE2K_STOP) {
+ return;
+ }
if (vnic_rxbuf_full(dev)){
- PrintDebug("VNIC: received buffer overflow\n");
+ PrintDebug("VNIC: received buffer overflow\n");
return;
}
if (length < MIN_BUF_SIZE) {
memcpy(buf, pkt, length);
memset(buf + length, 0, MIN_BUF_SIZE - length);
+
pkt = buf;
+
length = MIN_BUF_SIZE;
}
index = nregs->curpag << 8;
+
// 4 bytes header
total_len = length + 4;
+
// address for next packet (4 bytes for CRC)
next = index + ((total_len + 4 + 255) & ~0xff);
- if (next >= stop)
+
+ if (next >= stop) {
next -= stop - start;
+ }
p = nic_state->mem + index;
nregs->rsr = ENRSR_RXOK;
- if (pkt[0] & 0x01)
+ if (pkt[0] & 0x01) {
nregs->rsr |= ENRSR_PHY;
-
+ }
+
p[0] = nregs->rsr;
p[1] = next >> 8;
p[2] = total_len;
p[3] = total_len >> 8;
+
index += 4;
while (length > 0) {
- if (index <= stop)
+ if (index <= stop) {
empty = stop - index;
- else
- empty = 0;
+ } else {
+ empty = 0;
+ }
+
len = length;
- if (len > empty)
+
+ if (len > empty) {
len = empty;
+ }
+
memcpy(nic_state->mem + index, pkt, len);
pkt += len;
index += len;
- if (index == stop)
+
+ if (index == stop) {
index = start;
+ }
+
length -= len;
}
+
nregs->curpag = next >> 8;
nregs->isr |= ENISR_RX;
// =====begin here
#if 0
-void pci_vnic_init(PCIBus *bus, NICInfo *nd, int devfn)
+void pci_vnic_init(PCIBus * bus, NICInfo * nd, int devfn)
{
- PCINE2000State *d;
- NE2000State *s;
- uint8_t *pci_conf;
- struct pci_device *pdev;
-
- pdev = pci_register_device(bus,
- "NE2000", sizeof(PCINE2000State),
- devfn,
- NULL, NULL);
+ PCINE2000State * d = NULL;
+ NE2000State * s = NULL;
+ uint8_t * pci_conf = NULL;
+ struct pci_device * pdev = pci_register_device(bus,
+ "NE2000", sizeof(PCINE2000State),
+ devfn,
+ NULL, NULL);
pci_conf = d->dev.config;
+
pci_conf[0x00] = 0xec; // Realtek 8029
pci_conf[0x01] = 0x10;
pci_conf[0x02] = 0x29;
pci_register_io_region(&d->dev, 0, 0x100,
PCI_ADDRESS_SPACE_IO, ne2000_map);
s = &d->ne2000;
+
s->irq = d->dev.irq[0];
+
s->pci_dev = (PCIDevice *)d;
+
memcpy(s->macaddr, nd->macaddr, 6);
+
ne2000_reset(s);
+
s->vc = qemu_new_vlan_client(nd->vlan, ne2000_receive,
ne2000_can_receive, s);
#endif
//End Here====================================
-static int netif_input(uchar_t * pkt, uint_t size)
-{
+static int netif_input(uchar_t * pkt, uint_t size) {
uint_t i;
- struct vm_device *dev;
+ struct vm_device * dev = NULL;
PrintDebug("\nVNIC: Packet Received:\nSource:");
+
for (i = 6; i < 12; i++) {
- PrintDebug("%x ", pkt[i]);
+ PrintDebug("%x ", pkt[i]);
}
dev = get_rx_dev(pkt);
- if (dev == NULL)
- return 0;
-
+ if (dev == NULL) {
+ return 0;
+ }
PrintDebug("\n");
- for(i= 0; i<size; i++)
- PrintDebug("%x ", pkt[i]);
-
+
+ for(i = 0; i < size; i++) {
+ PrintDebug("%x ", pkt[i]);
+ }
+
vnic_receive(dev, pkt, size);
return 0;
static int vnic_ioport_write(ushort_t port,
- void * src,
- uint_t length,
- struct vm_device *dev)
-{
- uchar_t page;
+ void * src,
+ uint_t length,
+ struct vm_device * dev) {
+ uchar_t page = 0;
struct nic_context *nic_state = (struct nic_context* )dev->private_data;
- uchar_t val;
+ uchar_t val = 0;
int index;
if (length == 1) {
- memcpy(&val, src, 1);
+ memcpy(&val, src, 1);
} else {
- PrintDebug("vnic_write error: length %d\n", length);
- return length;
+ PrintDebug("vnic_write error: length %d\n", length);
+ return length;
}
port &= 0x1f;
if (port == EN0_COMMAND) {
nic_state->regs.cmd = val;
+
if (!(val & NE2K_STOP)) {
nic_state->regs.isr &= ~ENISR_RESET;
+
if ((val & (NE2K_DMAREAD | NE2K_DMAWRITE)) &&
- nic_state->regs.rbcr == 0) {
+ nic_state->regs.rbcr == 0) {
nic_state->regs.isr |= ENISR_RDC;
vnic_update_irq(dev);
}
+
+
if (val & NE2K_TRANSMIT) {
index = (nic_state->regs.tpsr << 8);
- if (index >= NE2K_PMEM_END)
+
+ if (index >= NE2K_PMEM_END) {
index -= NE2K_PMEM_SIZE;
+ }
+
if (index + nic_state->regs.tbcr <= NE2K_PMEM_END) {
vnic_send_packet(dev, nic_state->mem + index, nic_state->regs.tbcr);
}
+
nic_state->regs.tsr = ENTSR_PTX;
nic_state->regs.isr |= ENISR_TX;
nic_state->regs.cmd &= ~NE2K_TRANSMIT;
+
vnic_update_irq(dev);
}
}
+
} else {
page = nic_state->regs.cmd >> 6;
- if(page == 0){
- switch(port) {
- case EN0_STARTPG:
- nic_state->regs.pgstart = val;
- break;
- case EN0_STOPPG:
- nic_state->regs.pgstop = val;
- break;
- case EN0_BOUNDARY:
- nic_state->regs.boundary = val;
- break;
- case EN0_TPSR:
- nic_state->regs.tpsr = val;
- break;
- case EN0_TCNTLO:
- nic_state->regs.tbcr = (nic_state->regs.tbcr & 0xff00) | val;
- break;
- case EN0_TCNTHI:
- nic_state->regs.tbcr = (nic_state->regs.tbcr & 0x00ff) | (val << 8);
- break;
- case EN0_ISR:
- nic_state->regs.isr &= ~(val & 0x7f);
- vnic_update_irq(dev);
- break;
- case EN0_RSARLO:
- nic_state->regs.rsar = (nic_state->regs.rsar & 0xff00) | val;
- break;
- case EN0_RSARHI:
- nic_state->regs.rsar = (nic_state->regs.rsar & 0x00ff) | (val << 8);
- break;
- case EN0_RCNTLO:
- nic_state->regs.rbcr = (nic_state->regs.rbcr & 0xff00) | val;
- break;
- case EN0_RCNTHI:
- nic_state->regs.rbcr = (nic_state->regs.rbcr & 0x00ff) | (val << 8);
- break;
- case EN0_RXCR:
- nic_state->regs.rcr = val;
- break;
- case EN0_TXCR:
- nic_state->regs.tcr = val;
- case EN0_DCFG:
- nic_state->regs.dcr = val;
- break;
- case EN0_IMR:
- nic_state->regs.imr = val;
- vnic_update_irq(dev);
- break;
- default:
- PrintDebug("vnic_write error: invalid port:0x%x\n", port);
- break;
- }
- }
- if(page == 1){
- switch(port) {
- case EN1_PHYS ... EN1_PHYS + 5:
- nic_state->regs.phys[port - EN1_PHYS] = val;
- break;
- case EN1_CURPAG:
- nic_state->regs.curpag = val;
- break;
- case EN1_MULT ... EN1_MULT + 7:
- nic_state->regs.mult[port - EN1_MULT] = val;
- break;
- default:
- PrintDebug("vnic_write error: invalid port:0x%x\n", port);
- break;
- }
- }
- if(page == 2){
- switch(port) {
- case EN2_LDMA0:
- nic_state->regs.clda = (nic_state->regs.clda & 0xff00) | val;
- break;
- case EN2_LDMA1:
- nic_state->regs.clda = (nic_state->regs.clda & 0x00ff) | (val << 8);
- break;
- case EN2_RNPR:
- nic_state->regs.rnpp = val;
- break;
- case EN2_LNRP:
- nic_state->regs.lnpp = val;
- break;
- case EN2_ACNT0:
- nic_state->regs.addcnt = (nic_state->regs.addcnt & 0xff00) | val;
- break;
- case EN2_ACNT1:
- nic_state->regs.addcnt = (nic_state->regs.addcnt & 0x00ff) | (val << 8);
- break;
- default:
- PrintDebug("vnic_write error: invalid port:0x%x\n", port);
- break;
- }
- }
- }
- //dump_state(dev);
+ if (page == 0){
+
+ switch(port) {
+ case EN0_STARTPG:
+ nic_state->regs.pgstart = val;
+ break;
+ case EN0_STOPPG:
+ nic_state->regs.pgstop = val;
+ break;
+ case EN0_BOUNDARY:
+ nic_state->regs.boundary = val;
+ break;
+ case EN0_TPSR:
+ nic_state->regs.tpsr = val;
+ break;
+ case EN0_TCNTLO:
+ nic_state->regs.tbcr = (nic_state->regs.tbcr & 0xff00) | val;
+ break;
+ case EN0_TCNTHI:
+ nic_state->regs.tbcr = (nic_state->regs.tbcr & 0x00ff) | (val << 8);
+ break;
+ case EN0_ISR:
+ nic_state->regs.isr &= ~(val & 0x7f);
+ vnic_update_irq(dev);
+ break;
+ case EN0_RSARLO:
+ nic_state->regs.rsar = (nic_state->regs.rsar & 0xff00) | val;
+ break;
+ case EN0_RSARHI:
+ nic_state->regs.rsar = (nic_state->regs.rsar & 0x00ff) | (val << 8);
+ break;
+ case EN0_RCNTLO:
+ nic_state->regs.rbcr = (nic_state->regs.rbcr & 0xff00) | val;
+ break;
+ case EN0_RCNTHI:
+ nic_state->regs.rbcr = (nic_state->regs.rbcr & 0x00ff) | (val << 8);
+ break;
+ case EN0_RXCR:
+ nic_state->regs.rcr = val;
+ break;
+ case EN0_TXCR:
+ nic_state->regs.tcr = val;
+ case EN0_DCFG:
+ nic_state->regs.dcr = val;
+ break;
+ case EN0_IMR:
+ nic_state->regs.imr = val;
+ vnic_update_irq(dev);
+ break;
+ default:
+ PrintDebug("vnic_write error: invalid port:0x%x\n", port);
+ break;
+ }
+ }
+
+
+ if (page == 1) {
+
+ switch(port) {
+ case EN1_PHYS ... EN1_PHYS + 5:
+ nic_state->regs.phys[port - EN1_PHYS] = val;
+ break;
+ case EN1_CURPAG:
+ nic_state->regs.curpag = val;
+ break;
+ case EN1_MULT ... EN1_MULT + 7:
+ nic_state->regs.mult[port - EN1_MULT] = val;
+ break;
+ default:
+ PrintDebug("vnic_write error: invalid port:0x%x\n", port);
+ break;
+ }
+ }
+
+
+ if (page == 2) {
+
+ switch(port) {
+ case EN2_LDMA0:
+ nic_state->regs.clda = (nic_state->regs.clda & 0xff00) | val;
+ break;
+ case EN2_LDMA1:
+ nic_state->regs.clda = (nic_state->regs.clda & 0x00ff) | (val << 8);
+ break;
+ case EN2_RNPR:
+ nic_state->regs.rnpp = val;
+ break;
+ case EN2_LNRP:
+ nic_state->regs.lnpp = val;
+ break;
+ case EN2_ACNT0:
+ nic_state->regs.addcnt = (nic_state->regs.addcnt & 0xff00) | val;
+ break;
+ case EN2_ACNT1:
+ nic_state->regs.addcnt = (nic_state->regs.addcnt & 0x00ff) | (val << 8);
+ break;
+ default:
+ PrintDebug("vnic_write error: invalid port:0x%x\n", port);
+ break;
+ }
+ }
+ }
+
+ //dump_state(dev);
- return length;
+ return length;
}
-static int vnic_ioport_read(ushort_t port,
- void * dst,
- uint_t length,
- struct vm_device *dev)
-{
- uchar_t page, ret;
+static int vnic_ioport_read(ushort_t port, void * dst, uint_t length, struct vm_device *dev) {
+ uchar_t page = 0;
+ int val = 0;
struct nic_context *nic_state = (struct nic_context* )dev->private_data;
if (length > 1) {
- PrintDebug("vnic_read error: length %d\n", length);
- return length;
+ PrintDebug("vnic_read error: length %d\n", length);
+ valurn length;
}
port &= 0x1f;
if (port == EN0_COMMAND) {
- ret = nic_state->regs.cmd;
+ val = nic_state->regs.cmd;
} else {
page = nic_state->regs.cmd >> 6;
- if (page == 0){
- switch(port) {
- case EN0_CLDALO:
- ret = nic_state->regs.clda & 0x00ff;
+
+ if (page == 0) {
+
+ switch (port) {
+ case EN0_CLDALO:
+ val = nic_state->regs.clda & 0x00ff;
break;
case EN0_CLDAHI:
- ret = (nic_state->regs.clda & 0xff00) >> 8;
+ val = (nic_state->regs.clda & 0xff00) >> 8;
break;
case EN0_BOUNDARY:
- ret = nic_state->regs.boundary;
+ val = nic_state->regs.boundary;
break;
- case EN0_TSR:
- ret = nic_state->regs.tsr;
+ case EN0_TSR:
+ val = nic_state->regs.tsr;
break;
- case EN0_NCR:
- ret = nic_state->regs.ncr;
+ case EN0_NCR:
+ val = nic_state->regs.ncr;
break;
case EN0_FIFO:
- ret = nic_state->regs.fifo;
+ val = nic_state->regs.fifo;
break;
- case EN0_ISR:
- ret = nic_state->regs.isr;
+ case EN0_ISR:
+ val = nic_state->regs.isr;
vnic_update_irq(dev);
break;
- case EN0_CRDALO:
- ret = nic_state->regs.crda & 0x00ff;
+ case EN0_CRDALO:
+ val = nic_state->regs.crda & 0x00ff;
break;
case EN0_CRDAHI:
- ret = (nic_state->regs.crda & 0xff00) >> 8;
+ val = (nic_state->regs.crda & 0xff00) >> 8;
break;
case EN0_RSR:
- ret = nic_state->regs.rsr;
+ val = nic_state->regs.rsr;
break;
- case EN0_COUNTER0:
- ret = nic_state->regs.cntr & 0x000000ff;
- break;
+ case EN0_COUNTER0:
+ val = nic_state->regs.cntr & 0x000000ff;
+ break;
case EN0_COUNTER1:
- ret = (nic_state->regs.cntr & 0x0000ff00) >> 8;
- break;
+ val = (nic_state->regs.cntr & 0x0000ff00) >> 8;
+ break;
case EN0_COUNTER2:
- ret = (nic_state->regs.cntr & 0x00ff0000) >> 16;
- break;
- default:
- PrintDebug("vnic_read error: invalid port:0x%x\n", port);
- ret = 0x00;
- break;
- }
- }
- if (page == 1){
- switch(port) {
+ val = (nic_state->regs.cntr & 0x00ff0000) >> 16;
+ break;
+ default:
+ PrintDebug("vnic_read error: invalid port:0x%x\n", port);
+ val = 0x00;
+ break;
+ }
+
+ } else if (page == 1) {
+
+ switch(port) {
case EN1_PHYS ... EN1_PHYS + 5:
- ret = nic_state->regs.phys[port - EN1_PHYS];
+ val = nic_state->regs.phys[port - EN1_PHYS];
break;
case EN1_CURPAG:
- ret = nic_state->regs.curpag;
+ val = nic_state->regs.curpag;
break;
case EN1_MULT ... EN1_MULT + 7:
- ret = nic_state->regs.mult[port - EN1_MULT];
+ val = nic_state->regs.mult[port - EN1_MULT];
break;
- default:
- PrintDebug("vnic_read error: invalid port:0x%x\n", port);
- ret = 0x00;
- break;
- }
- }
- if (page == 2){
- switch(port) {
- case EN2_STARTPG:
- ret = nic_state->regs.pgstart;
+ default:
+ PrintDebug("vnic_read error: invalid port:0x%x\n", port);
+ val = 0x00;
break;
- case EN2_STOPPG:
- ret = nic_state->regs.pgstop;
+ }
+
+ } else if (page == 2) {
+
+ switch(port) {
+ case EN2_STARTPG:
+ val = nic_state->regs.pgstart;
+ break;
+ case EN2_STOPPG:
+ val = nic_state->regs.pgstop;
break;
- case EN2_RNPR:
- ret = nic_state->regs.rnpp;
+ case EN2_RNPR:
+ val = nic_state->regs.rnpp;
break;
- case EN2_LNRP:
- ret = nic_state->regs.lnpp;
+ case EN2_LNRP:
+ val = nic_state->regs.lnpp;
break;
- case EN2_TPSR:
- ret = nic_state->regs.tpsr;
+ case EN2_TPSR:
+ val = nic_state->regs.tpsr;
break;
- case EN2_ACNT0:
- ret = nic_state->regs.addcnt & 0x00ff;
+ case EN2_ACNT0:
+ val = nic_state->regs.addcnt & 0x00ff;
break;
- case EN2_ACNT1:
- ret = (nic_state->regs.addcnt & 0xff00) >> 8;
+ case EN2_ACNT1:
+ val = (nic_state->regs.addcnt & 0xff00) >> 8;
break;
- case EN2_RCR:
- ret = nic_state->regs.rcr;
+ case EN2_RCR:
+ val = nic_state->regs.rcr;
break;
- case EN2_TCR:
- ret = nic_state->regs.tcr;
+ case EN2_TCR:
+ val = nic_state->regs.tcr;
break;
- case EN2_DCR:
- ret = nic_state->regs.dcr;
+ case EN2_DCR:
+ val = nic_state->regs.dcr;
break;
- case EN2_IMR:
- ret = nic_state->regs.imr;
+ case EN2_IMR:
+ val = nic_state->regs.imr;
break;
- default:
+ default:
PrintDebug("vnic_read error: invalid port:0x%x\n", port);
- ret = 0x00;
+ val = 0x00;
break;
- }
- }
+ }
+ }
}
- memcpy(dst, &ret, 1);
+ memcpy(dst, &val, 1);
- PrintDebug("vnic_read: port:0x%x (%u bytes): 0x%x\n", port,length, (int)ret);
+ PrintDebug("vnic_read: port:0x%x (%u bytes): 0x%x\n", port,length, (uint32_t)val);
//dump_state(dev);
}
-static inline uint16_t cpu2le16(uint16_t val)
-{
- uint16_t p;
- uchar_t *p1 = (uchar_t *)&p;
-
- p1[0] = val;
- p1[1] = val >> 8;
-
- return p;
-}
-
-static inline uint32_t cpu2le32(uint32_t val)
-{
- uint32_t p;
- uchar_t *p1 = (uchar_t *)&p;
- p1[0] = val;
- p1[1] = val >> 8;
- p1[2] = val >> 16;
- p1[3] = val >> 24;
+static void vnic_mem_writeb(struct nic_context * nic_state,
+ uint32_t addr,
+ uint32_t val) {
+ uchar_t tmp = (uchar_t) (val & 0x000000ff);
- return p;
-}
-
-static inline uint16_t le16_to_cpu(const uint16_t *p)
-{
- const uchar_t *p1 = (const uchar_t *)p;
- return p1[0] | (p1[1] << 8);
-}
-
-static inline uint32_t le32_to_cpu(const uint32_t *p)
-{
- const uchar_t *p1 = (const uchar_t *)p;
- return p1[0] | (p1[1] << 8) | (p1[2] << 16) | (p1[3] << 24);
-}
-
-static void vnic_mem_writeb(struct nic_context *nic_state,
- uint32_t addr,
- uint32_t val)
-{
- uchar_t tmp;
-
- tmp = (uchar_t) (val & 0x000000ff);
- if (addr < 32 || (addr >= NE2K_PMEM_START && addr < NE2K_MEM_SIZE)) {
+ if ( (addr < 32) ||
+ ((addr >= NE2K_PMEM_START && addr) < NE2K_MEM_SIZE) ) {
nic_state->mem[addr] = tmp;
}
PrintDebug("wmem addr: %x val: %x\n", addr, val);
}
-static void vnic_mem_writew(struct nic_context *nic_state,
- uint32_t addr,
- uint32_t val)
-{
+static void vnic_mem_writew(struct nic_context * nic_state,
+ uint32_t addr,
+ uint32_t val) {
+
addr &= ~1; //XXX: check exact behaviour if not even
- if (addr < 32 ||
- (addr >= NE2K_PMEM_START && addr < NE2K_MEM_SIZE)) {
+
+ if ( (addr < 32) ||
+ ((addr >= NE2K_PMEM_START && addr) < NE2K_MEM_SIZE)) {
*(ushort_t *)(nic_state->mem + addr) = cpu2le16(val);
}
PrintDebug("wmem addr: %x val: %x\n", addr, val);
}
-static void vnic_mem_writel(struct nic_context *nic_state,
- uint32_t addr,
- uint32_t val)
-{
+static void vnic_mem_writel(struct nic_context * nic_state,
+ uint32_t addr,
+ uint32_t val) {
addr &= ~1; // XXX: check exact behaviour if not even
- if (addr < 32 ||
- (addr >= NE2K_PMEM_START && addr < NE2K_MEM_SIZE)) {
+
+ if ( (addr < 32) ||
+ ( (addr >= NE2K_PMEM_START) && (addr < NE2K_MEM_SIZE) ) ) {
*(uint32_t *)(nic_state->mem + addr) = cpu2le32(val);
}
-
+
PrintDebug("wmem addr: %x val: %x\n", addr, val);
}
-static uchar_t vnic_mem_readb(struct nic_context *nic_state, uint32_t addr)
-{
+static uchar_t vnic_mem_readb(struct nic_context * nic_state, uint32_t addr) {
PrintDebug("rmem addr: %x\n", addr);
- if (addr < 32 ||
- (addr >= NE2K_PMEM_START && addr < NE2K_MEM_SIZE)) {
+ if ( (addr < 32) ||
+ ( (addr >= NE2K_PMEM_START) && (addr < NE2K_MEM_SIZE)) ) {
return nic_state->mem[addr];
} else {
return 0xff;
}
}
-static ushort_t vnic_mem_readw(struct nic_context *nic_state, uint32_t addr)
-{
+static ushort_t vnic_mem_readw(struct nic_context * nic_state, uint32_t addr) {
PrintDebug("rmem addr: %x\n", addr);
addr &= ~1; //XXX: check exact behaviour if not even
- if (addr < 32 ||
- (addr >= NE2K_PMEM_START && addr < NE2K_MEM_SIZE)) {
+ if ( (addr < 32) ||
+ ( (addr >= NE2K_PMEM_START) && (addr < NE2K_MEM_SIZE))) {
return (ushort_t)le16_to_cpu((ushort_t *)(nic_state->mem + addr));
} else {
return 0xffff;
}
}
-static uint32_t vnic_mem_readl(struct nic_context *nic_state, uint32_t addr)
-{
+static uint32_t vnic_mem_readl(struct nic_context * nic_state, uint32_t addr) {
PrintDebug("rmem addr: %x\n", addr);
addr &= ~1; //XXX: check exact behaviour if not even
- if (addr < 32 ||
- (addr >= NE2K_PMEM_START && addr < NE2K_MEM_SIZE)) {
+
+ if ( (addr < 32) ||
+ ( (addr >= NE2K_PMEM_START && addr < NE2K_MEM_SIZE))) {
return (uint32_t)le32_to_cpu((uint32_t *)(nic_state->mem + addr));
} else {
return 0xffffffff;
}
}
-static void vnic_dma_update(struct vm_device *dev, int len)
-{
+static void vnic_dma_update(struct vm_device * dev, int len) {
struct nic_context *nic_state = (struct nic_context *)dev->private_data;
nic_state->regs.rsar += len;
// wrap
- if (nic_state->regs.rsar == nic_state->regs.pgstop)
+
+ if (nic_state->regs.rsar == nic_state->regs.pgstop) {
nic_state->regs.rsar = nic_state->regs.pgstart;
+ }
if (nic_state->regs.rbcr <= len) {
nic_state->regs.rbcr = 0;
nic_state->regs.isr |= ENISR_RDC;
+
vnic_update_irq(dev);
} else {
nic_state->regs.rbcr -= len;
//for data port read/write
static int vnic_data_read(ushort_t port,
- void * dst,
- uint_t length,
- struct vm_device *dev)
-{
- uint32_t val;
- struct nic_context *nic_state = (struct nic_context *)dev->private_data;
-
- // current dma address
- uint32_t addr = nic_state->regs.rsar;
-
- switch(length){
- case 1:
- val = vnic_mem_readb(nic_state, addr);
- break;
- case 2:
- val = vnic_mem_readw(nic_state, addr);
- break;
- case 4:
- val = vnic_mem_readl(nic_state, addr);
- break;
- default:
- PrintDebug("vnic_data_read error: invalid length %d\n", length);
- val = 0x0;
- }
+ void * dst,
+ uint_t length,
+ struct vm_device * dev) {
+ uint32_t val = 0;
+ struct nic_context *nic_state = (struct nic_context *)dev->private_data;
+
+ // current dma address
+ uint32_t addr = nic_state->regs.rsar;
+
+ switch (length) {
+ case 1:
+ val = vnic_mem_readb(nic_state, addr);
+ break;
+ case 2:
+ val = vnic_mem_readw(nic_state, addr);
+ break;
+ case 4:
+ val = vnic_mem_readl(nic_state, addr);
+ break;
+ default:
+ PrintDebug("vnic_data_read error: invalid length %d\n", length);
+ val = 0x0;
+ }
- vnic_dma_update(dev, length);
+ vnic_dma_update(dev, length);
- memcpy(dst, &val, length);
+ memcpy(dst, &val, length);
- PrintDebug("vnic_read: port:0x%x (%u bytes): 0x%x", port & 0x1f,length, val);
+ PrintDebug("vnic_read: port:0x%x (%u bytes): 0x%x", port & 0x1f,length, val);
- return length;
+ return length;
}
static int vnic_data_write(ushort_t port,
- void * src,
- uint_t length,
- struct vm_device *dev)
-{
- uint32_t val;
- struct nic_context *nic_state = (struct nic_context *)dev->private_data;
+ void * src,
+ uint_t length,
+ struct vm_device * dev) {
+ uint32_t val = 0;
+ struct nic_context * nic_state = (struct nic_context *)dev->private_data;
- uint32_t addr = nic_state->regs.rsar;
+ uint32_t addr = nic_state->regs.rsar;
- if (nic_state->regs.rbcr == 0)
- return length;
+ if (nic_state->regs.rbcr == 0) {
+ return length;
+ }
- memcpy(&val, src, length);
+ memcpy(&val, src, length);
- //determine the starting address of reading/writing
- //addr= ??
+ //determine the starting address of reading/writing
+ //addr= ??
- switch (length){
- case 1:
- vnic_mem_writeb(nic_state, addr, val);
- break;
- case 2:
- vnic_mem_writew(nic_state, addr, val);
- break;
- case 4:
- vnic_mem_writel(nic_state, addr, val);
- break;
- default:
- PrintDebug("nic_data_write error: invalid length %d\n", length);
- }
+ switch (length) {
+ case 1:
+ vnic_mem_writeb(nic_state, addr, val);
+ break;
+ case 2:
+ vnic_mem_writew(nic_state, addr, val);
+ break;
+ case 4:
+ vnic_mem_writel(nic_state, addr, val);
+ break;
+ default:
+ PrintDebug("nic_data_write error: invalid length %d\n", length);
+ }
- vnic_dma_update(dev, length);
+ vnic_dma_update(dev, length);
- PrintDebug("vnic_write: port:0x%x (%u bytes): 0x%x\n", port & 0x1f,length, val);
+ PrintDebug("vnic_write: port:0x%x (%u bytes): 0x%x\n", port & 0x1f,length, val);
- return length;
+ return length;
}
-static int vnic_reset_device(struct vm_device * dev)
-{
+static int vnic_reset_device(struct vm_device * dev) {
- PrintDebug("vnic: reset device\n");
+ PrintDebug("vnic: reset device\n");
- init_vnic_context(dev);
+ init_vnic_context(dev);
- return 0;
+ return 0;
}
//for 0xc11f port
-static int vnic_reset_port_read(ushort_t port,
- void * dst,
- uint_t length,
- struct vm_device *dev)
-{
- uint32_t val = 0x0;
-
- memcpy(dst, &val, length);
+static int vnic_reset_port_read(ushort_t port, void * dst, uint_t length, struct vm_device * dev) {
+ uint32_t val = 0;
- PrintDebug("vnic_read: port:0x%x (%u bytes): 0x%x\n", port,length, val);
+ PrintDebug("vnic_read: port:0x%x (%u bytes): 0x%x\n", port,length, val);
+ memcpy(dst, &val, length);
- vnic_reset_device(dev);
+ vnic_reset_device(dev);
- return length;
+ return length;
}
-static int vnic_reset_port_write(ushort_t port,
- void * src,
- uint_t length,
- struct vm_device *dev)
-{
- uint32_t val;
-
- memcpy(&val, src, length);
+static int vnic_reset_port_write(ushort_t port, void * src, uint_t length, struct vm_device * dev) {
+ uint32_t val = 0;
- PrintDebug("vnic_write: port:0x%x (%u bytes): 0x%x\n", port,length, val);
+ PrintDebug("vnic_write: port:0x%x (%u bytes): 0x%x\n", port,length, val);
+ memcpy(&val, src, length);
- return length;
+ return length;
}
-static int vnic_start_device(struct vm_device *dev)
-{
- PrintDebug("vnic: start device\n");
-
- return 0;
+static int vnic_start_device(struct vm_device * dev) {
+ PrintDebug("vnic: start device\n");
+ return 0;
}
-static int vnic_stop_device(struct vm_device *dev)
-{
- PrintDebug("vnic: stop device\n");
-
- return 0;
+static int vnic_stop_device(struct vm_device * dev) {
+ PrintDebug("vnic: stop device\n");
+ return 0;
}
-static void init_phy_network()
-{
-
- V3_REGISTER_PKT_DELIVERY(&netif_input);
-
+static void init_phy_network() {
+ V3_REGISTER_PKT_DELIVERY(&netif_input);
}
-static int vnic_init_device(struct vm_device * dev)
-{
+static int vnic_init_device(struct vm_device * dev) {
int i;
PrintDebug("vnic: init_device\n");
current_vnic = dev;
- for (i = 0; i < 16; i++){
- v3_dev_hook_io(dev, NIC_BASE_ADDR + i, &vnic_ioport_read, &vnic_ioport_write);
+ for (i = 0; i < 16; i++) {
+ v3_dev_hook_io(dev, NIC_BASE_ADDR + i, &vnic_ioport_read, &vnic_ioport_write);
}
+
v3_dev_hook_io(dev, NIC_BASE_ADDR + NIC_DATA_PORT, &vnic_data_read, &vnic_data_write);
v3_dev_hook_io(dev, NIC_BASE_ADDR + NIC_RESET_PORT, &vnic_reset_port_read, &vnic_reset_port_write);
-static int vnic_deinit_device(struct vm_device *dev)
-{
- int i;
+static int vnic_deinit_device(struct vm_device * dev) {
+ int i;
- for (i = 0; i<16; i++){
+ for (i = 0; i < 16; i++){
v3_dev_unhook_io(dev, NIC_BASE_ADDR + i);
- }
+ }
- v3_dev_unhook_io(dev, NIC_BASE_ADDR + NIC_DATA_PORT);
- v3_dev_unhook_io(dev, NIC_BASE_ADDR + NIC_RESET_PORT);
+ v3_dev_unhook_io(dev, NIC_BASE_ADDR + NIC_DATA_PORT);
+ v3_dev_unhook_io(dev, NIC_BASE_ADDR + NIC_RESET_PORT);
- //vnic_reset_device(dev);
+ //vnic_reset_device(dev);
- return 0;
+ return 0;
}
static struct vm_device_ops dev_ops = {
- .init = vnic_init_device,
- .deinit = vnic_deinit_device,
- .reset = vnic_reset_device,
- .start = vnic_start_device,
- .stop = vnic_stop_device,
+ .init = vnic_init_device,
+ .deinit = vnic_deinit_device,
+ .reset = vnic_reset_device,
+ .start = vnic_start_device,
+ .stop = vnic_stop_device,
};
-struct vm_device *v3_create_vnic()
-{
- struct nic_context * nic_state = V3_Malloc(sizeof(struct nic_context));
+struct vm_device * v3_create_vnic() {
+ struct nic_context * nic_state = V3_Malloc(sizeof(struct nic_context));
- //memset(nic_state, 0, sizeof(struct nic_context));
+ //memset(nic_state, 0, sizeof(struct nic_context));
- //PrintDebug("VNIC internal at %x\n",(int)nic_state);
+ //PrintDebug("VNIC internal at %x\n",(int)nic_state);
- struct vm_device *device = v3_create_device("VNIC", &dev_ops, nic_state);
+ struct vm_device *device = v3_create_device("VNIC", &dev_ops, nic_state);
- return device;
+ return device;
}
