int vnet_dev_id;
};
-#if 0
-//Malloc/Free version of send
-static int vnet_send(uint8_t * buf, uint32_t len, void * private_data, struct vm_device *dest_dev){
- struct v3_vnet_pkt * pkt = NULL;
- struct guest_info *core = (struct guest_info *)private_data;
-
-#ifdef WCONFIG_DEBUG_VNET_NIC
- {
- PrintDebug("Virtio VNET-NIC: send pkt size: %d\n", len);
- v3_hexdump(buf, len, NULL, 0);
- }
-#endif
-
-#ifdef CONFIG_VNET_PROFILE
- uint64_t start, end;
- rdtscll(start);
-#endif
-
- pkt = (struct v3_vnet_pkt *)V3_Malloc(sizeof(struct v3_vnet_pkt));
-
- if(pkt == NULL){
- PrintError("Malloc() fails");
- return -1;
- }
-
-#ifdef CONFIG_VNET_PROFILE
- {
- rdtscll(end);
- core->vnet_times.time_mallocfree = end - start;
- }
-#endif
-
-
- pkt->size = len;
- pkt->src_type = LINK_INTERFACE;
- pkt->src_id = 0;
- memcpy(pkt->data, buf, pkt->size);
-
-#ifdef CONFIG_VNET_PROFILE
- {
- rdtscll(start);
- core->vnet_times.memcpy_time = start - end;
- core->vnet_times.time_copy_from_guest = start - core->vnet_times.virtio_handle_start - core->vnet_times.time_mallocfree;
- }
-#endif
-
- v3_vnet_send_pkt(pkt, (void *)core);
-#ifdef CONFIG_VNET_PROFILE
- rdtscll(start);
-#endif
-
- V3_Free(pkt);
-
-#ifdef CONFIG_VNET_PROFILE
- {
- rdtscll(end);
- core->vnet_times.time_mallocfree += end - start;
- }
-#endif
-
- return 0;
-}
-
-#endif
-
-#if 1
-//alternative way, no malloc/free
static int vnet_send(uint8_t * buf, uint32_t len, void * private_data, struct vm_device *dest_dev){
- struct v3_vnet_pkt pkt;
struct vnet_nic_state *vnetnic = (struct vnet_nic_state *)private_data;
- struct guest_info *core = &(vnetnic->vm->cores[0]);
-
-#ifdef CONFIG_VNET_PROFILE
- uint64_t start, end;
- rdtscll(start);
-#endif
+ struct v3_vnet_pkt pkt;
pkt.size = len;
pkt.src_type = LINK_INTERFACE;
pkt.src_id = vnetnic->vnet_dev_id;
- memcpy(pkt.data, buf, pkt.size);
-
-#ifdef CONFIG_DEBUG_VNET_NIC
- {
- PrintDebug("Virtio VNET-NIC: send pkt size: %d, pkt src_id: %d, src_type: %d\n",
- len, pkt.src_id, pkt.src_type);
- v3_hexdump(buf, len, NULL, 0);
- }
-#endif
-
-
-#ifdef CONFIG_VNET_PROFILE
- rdtscll(end);
- core->vnet_times.time_copy_from_guest = end - core->vnet_times.virtio_handle_start;
- core->vnet_times.memcpy_time = end - start;
-#endif
-
- v3_vnet_send_pkt(&pkt, (void *)core);
-
- return 0;
-}
-#endif
-
-#if 0
-//alternative way, no malloc/free, no copy
-//need to change pkt format
-static int vnet_send(uint8_t * buf, uint32_t len, void * private_data, struct vm_device *dest_dev){
- struct v3_vnet_pkt pkt;
- struct guest_info *core = (struct guest_info *)private_data;
+ memcpy(pkt.header, buf, ETHERNET_HEADER_LEN);
+ pkt.data = buf;
-
#ifdef CONFIG_DEBUG_VNET_NIC
{
- PrintDebug("Virtio VNET-NIC: send pkt size: %d\n", len);
+ PrintDebug("Virtio VNET-NIC: send pkt size: %d, pkt src_id: %d\n",
+ len, vnetnic->vnet_dev_id);
v3_hexdump(buf, len, NULL, 0);
}
#endif
-
- pkt.size = len;
- pkt.data = buf;
-
-#ifdef CONFIG_VNET_PROFILE
- uint64_t start, end;
- rdtscll(start);
-#endif
-
- v3_vnet_send_pkt(&pkt, (void *)core);
-
-#ifdef CONFIG_VNET_PROFILE
- {
- rdtscll(end);
- core->vnet_times.vnet_handle_time = end - start;
- }
-#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;
}
-#endif
-
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;
}
}
#endif
-#if 0 //temporay hacking for vnet virtio bridge
+
+//for temporary hack for Linux bridge (w/o encapuslation) test
+#if 0
{
- uchar_t tapmac[6] = {0x00,0x02,0x55,0x67,0x42,0x39}; //for Intel-VT test HW
- //uchar_t tapmac[6] = {0x6e,0xa8,0x75,0xf4,0x82,0x95};
- uchar_t dstmac[6] = {0xff,0xff,0xff,0xff,0xff,0xff};
+ static int vnet_nic_guestid = -1;
+ static int vnet_nic_dom0 = -1;
uchar_t zeromac[6] = {0,0,0,0,0,0};
+
+ if(!strcmp(name, "vnet_nic")){ //domu
+ vnet_nic_guestid = vnet_dev_id;
+ }
+ if (!strcmp(name, "vnet_nic_dom0")){
+ vnet_nic_dom0 = vnet_dev_id;
+ }\r
- struct v3_vnet_route route;
- route.dst_id = vnet_dev_id;
- route.dst_type = LINK_INTERFACE;
- route.src_id = -1;
- route.src_type = LINK_ANY;
-
- if(!strcmp(name, "vnet_nicdom0")){
- memcpy(route.dst_mac, tapmac, 6);
- route.dst_mac_qual = MAC_NONE;
+ if(vnet_nic_guestid != -1 && vnet_nic_dom0 !=-1){
+ struct v3_vnet_route route;
+
+ route.src_id = vnet_nic_guestid;
+ route.src_type = LINK_INTERFACE;
+ route.dst_id = vnet_nic_dom0;
+ route.dst_type = LINK_INTERFACE;
+ memcpy(route.dst_mac, zeromac, 6);
+ route.dst_mac_qual = MAC_ANY;
memcpy(route.src_mac, zeromac, 6);
- route.src_mac_qual = MAC_ANY;
-
+ route.src_mac_qual = MAC_ANY;
v3_vnet_add_route(route);
- memcpy(route.dst_mac, dstmac, 6);
- route.dst_mac_qual = MAC_NONE;
- memcpy(route.src_mac, tapmac, 6);
- route.src_mac_qual = MAC_NOT;
-
- v3_vnet_add_route(route);
- }
- if (!strcmp(name, "vnet_nic0")){
+ route.src_id = vnet_nic_dom0;
+ route.src_type = LINK_INTERFACE;
+ route.dst_id = vnet_nic_guestid;
+ route.dst_type = LINK_INTERFACE;
memcpy(route.dst_mac, zeromac, 6);
route.dst_mac_qual = MAC_ANY;
- memcpy(route.src_mac, tapmac, 6);
- route.src_mac_qual = MAC_NONE;
-
+ memcpy(route.src_mac, zeromac, 6);
+ route.src_mac_qual = MAC_ANY;
+
v3_vnet_add_route(route);
}
}