* and the University of New Mexico. You can find out more at
* http://www.v3vee.org
*
- * Copyright (c) 2008, Lei Xia <lxia@northwestern.edu>
- * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org>
+ * Copyright (c) 2010, Lei Xia <lxia@northwestern.edu>
+ * Copyright (c) 2010, The V3VEE Project <http://www.v3vee.org>
* All rights reserved.
*
* Author: Lei Xia <lxia@northwestern.edu>
*/
//backend device for Virtio NIC
-#include <palacios/vmm_vnet.h>
+#include <vnet/vnet.h>
#include <palacios/vmm.h>
#include <palacios/vmm_dev_mgr.h>
#include <devices/lnx_virtio_pci.h>
#include <palacios/vm_guest_mem.h>
#include <devices/pci.h>
#include <palacios/vmm_sprintf.h>
+#include <palacios/vmm_ethernet.h>
-#ifndef CONFIG_DEBUG_VNET_NIC
+#ifndef V3_CONFIG_DEBUG_VNET_NIC
#undef PrintDebug
#define PrintDebug(fmt, args...)
#endif
-
struct vnet_nic_state {
- char mac[6];
struct v3_vm_info * vm;
struct v3_dev_net_ops net_ops;
int vnet_dev_id;
};
-static int vnet_send(uint8_t * buf, uint32_t len, void * private_data, struct vm_device * dest_dev){
+/* called by frontend, send pkt to VNET */
+static int vnet_nic_send(uint8_t * buf, uint32_t len,
+ void * private_data) {
struct vnet_nic_state * vnetnic = (struct vnet_nic_state *)private_data;
- struct v3_vnet_pkt pkt;
+ struct v3_vnet_pkt pkt;
pkt.size = len;
pkt.src_type = LINK_INTERFACE;
pkt.src_id = vnetnic->vnet_dev_id;
memcpy(pkt.header, buf, ETHERNET_HEADER_LEN);
pkt.data = buf;
-#ifdef CONFIG_DEBUG_VNET_NIC
- {
- PrintDebug("Virtio VNET-NIC: send pkt size: %d, pkt src_id: %d\n",
- len, vnetnic->vnet_dev_id);
- v3_hexdump(buf, len, NULL, 0);
+ V3_Net_Print(2, "VNET-NIC: send pkt (size: %d, src_id: %d, src_type: %d)\n",
+ pkt.size, pkt.src_id, pkt.src_type);
+ if(net_debug >= 4){
+ v3_hexdump(buf, len, NULL, 0);
}
-#endif
-/*
- v3_vnet_rx(buf, len, vnetnic->vnet_dev_id, LINK_INTERFACE);
-
- //if on the dom0 core, interrupt the domU core to poll pkts
- //otherwise, call the polling directly
- int cpu = V3_Get_CPU();
- cpu = (cpu == 0)?1:0;
- v3_interrupt_cpu(vnetnic->vm, cpu, V3_VNET_POLLING_VECTOR);
- */
-
- v3_vnet_send_pkt(&pkt, NULL);
- return 0;
+ return v3_vnet_send_pkt(&pkt, NULL);
}
-static int virtio_input(struct v3_vm_info *info, struct v3_vnet_pkt * pkt, void * private_data){
- struct vnet_nic_state *vnetnic = (struct vnet_nic_state *)private_data;
-
- PrintDebug("Vnet-nic: In input: vnet_nic state %p\n", vnetnic);
- return vnetnic->net_ops.recv(pkt->data, pkt->size, vnetnic->net_ops.frontend_data);
-}
+/* send pkt to frontend device */
+static int fnt_input(struct v3_vm_info * info,
+ struct v3_vnet_pkt * pkt,
+ void * private_data){
+ struct vnet_nic_state *vnetnic = (struct vnet_nic_state *)private_data;
-static int register_to_vnet(struct v3_vm_info * vm,
- struct vnet_nic_state * vnet_nic,
- char * dev_name,
- uint8_t mac[6]) {
-
- PrintDebug("Vnet-nic: register Vnet-nic device %s, state %p to VNET\n", dev_name, vnet_nic);
+ V3_Net_Print(2, "VNET-NIC: receive pkt (size %d, src_id:%d, src_type: %d, dst_id: %d, dst_type: %d)\n",
+ pkt->size, pkt->src_id, pkt->src_type, pkt->dst_id, pkt->dst_type);
- return v3_vnet_add_dev(vm, mac, virtio_input, (void *)vnet_nic);
+ return vnetnic->net_ops.recv(pkt->data, pkt->size,
+ vnetnic->net_ops.config.frontend_data);
}
-static int vnet_nic_free(struct vm_device * dev) {
- return 0;
-}
-static struct v3_device_ops dev_ops = {
- .free = vnet_nic_free,
- .reset = NULL,
- .start = NULL,
- .stop = NULL,
-};
+/* poll pkt from frontend device */
+static int fnt_poll(struct v3_vm_info * info,
+ int quote, void * private_data){
+ struct vnet_nic_state *vnetnic = (struct vnet_nic_state *)private_data;
+
+ return vnetnic->net_ops.poll(quote, vnetnic->net_ops.config.frontend_data);
+}
-static int str2mac(char * macstr, uint8_t mac[6]){
- uint8_t hex[2];
- int i = 0;
- char * s = macstr;
+static int vnet_nic_free(struct vnet_nic_state * vnetnic) {
- while (s) {
- memcpy(hex, s, 2);
- mac[i++] = (char)atox(hex);
+ v3_vnet_del_dev(vnetnic->vnet_dev_id);
+ V3_Free(vnetnic);
+
+ return 0;
+}
- if (i == 6) {
- return 0;
- }
+static struct v3_device_ops dev_ops = {
+ .free = (int (*)(void *))vnet_nic_free,
- s = strchr(s, ':');
+};
- if (s) {
- s++;
- }
- }
+static struct v3_vnet_dev_ops vnet_dev_ops = {
+ .input = fnt_input,
+ .poll = fnt_poll,
+};
- return -1;
-}
static int vnet_nic_init(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) {
struct vnet_nic_state * vnetnic = NULL;
char * dev_id = v3_cfg_val(cfg, "ID");
- char * macstr = NULL;
- int vnet_dev_id = 0;
- v3_cfg_tree_t * frontend_cfg = v3_cfg_subtree(cfg, "frontend");
-
- macstr = v3_cfg_val(frontend_cfg, "mac");
+ int vnet_dev_id;
- if (macstr == NULL) {
- PrintDebug("Vnet-nic configuration error: No Mac specified\n");
- return -1;
- }
+ v3_cfg_tree_t * frontend_cfg = v3_cfg_subtree(cfg, "frontend");
vnetnic = (struct vnet_nic_state *)V3_Malloc(sizeof(struct vnet_nic_state));
memset(vnetnic, 0, sizeof(struct vnet_nic_state));
- struct vm_device * dev = v3_allocate_device(dev_id, &dev_ops, vnetnic);
-
- if (v3_attach_device(vm, dev) == -1) {
+ struct vm_device * dev = v3_add_device(vm, dev_id, &dev_ops, vnetnic);
+ if (dev == NULL) {
PrintError("Could not attach device %s\n", dev_id);
+ V3_Free(vnetnic);
return -1;
}
-
-
- vnetnic->net_ops.send = vnet_send;
- str2mac(macstr, vnetnic->mac);
+ vnetnic->net_ops.send = vnet_nic_send;
vnetnic->vm = vm;
if (v3_dev_connect_net(vm, v3_cfg_val(frontend_cfg, "tag"),
&(vnetnic->net_ops), frontend_cfg, vnetnic) == -1) {
PrintError("Could not connect %s to frontend %s\n",
dev_id, v3_cfg_val(frontend_cfg, "tag"));
+ v3_remove_device(dev);
return -1;
}
PrintDebug("Vnet-nic: Connect %s to frontend %s\n",
dev_id, v3_cfg_val(frontend_cfg, "tag"));
- if ((vnet_dev_id = register_to_vnet(vm, vnetnic, dev_id, vnetnic->mac)) == -1) {
- PrintError("Vnet-nic device %s (mac: %s) fails to registered to VNET\n", dev_id, macstr);
- return -1;
+ if ((vnet_dev_id = v3_vnet_add_dev(vm, vnetnic->net_ops.config.fnt_mac,
+ &vnet_dev_ops, vnetnic->net_ops.config.quote,
+ vnetnic->net_ops.config.poll, (void *)vnetnic)) == -1) {
+ PrintError("Vnet-nic device %s fails to registered to VNET\n", dev_id);
+
+ v3_remove_device(dev);
+ return 0;
}
-
vnetnic->vnet_dev_id = vnet_dev_id;
- PrintDebug("Vnet-nic device %s (mac: %s, %ld) registered to VNET\n", dev_id, macstr, *((uint32_t *)vnetnic->mac));
-
-
return 0;
}
