X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fdevices%2Fvnet_nic.c;h=d66384dd61c11a8eade37c79bdaea070d88196f1;hb=f7e83e5d2d00ba107ccda346da4660ab523471bb;hp=86f5ba7c98969c4f55098216557061d9f7ee17e6;hpb=edd0131b7b8672c9c3a7ef8682d17a48d682a53f;p=palacios.git diff --git a/palacios/src/devices/vnet_nic.c b/palacios/src/devices/vnet_nic.c index 86f5ba7..d66384d 100644 --- a/palacios/src/devices/vnet_nic.c +++ b/palacios/src/devices/vnet_nic.c @@ -7,8 +7,8 @@ * and the University of New Mexico. You can find out more at * http://www.v3vee.org * - * Copyright (c) 2008, Lei Xia - * Copyright (c) 2008, The V3VEE Project + * Copyright (c) 2010, Lei Xia + * Copyright (c) 2010, The V3VEE Project * All rights reserved. * * Author: Lei Xia @@ -19,178 +19,132 @@ */ //backend device for Virtio NIC -#include +#include #include #include #include #include #include #include +#include -#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){ - struct v3_vnet_pkt pkt; - struct vnet_nic_state *vnetnic = (struct vnet_nic_state *)private_data; - +/* 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; pkt.size = len; pkt.src_type = LINK_INTERFACE; pkt.src_id = vnetnic->vnet_dev_id; - memcpy(pkt.data, buf, pkt.size); + 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, src_type: %d\n", - len, pkt.src_id, pkt.src_type); - 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 + return v3_vnet_send_pkt(&pkt, NULL); +} - v3_vnet_send_pkt(&pkt, NULL); - return 0; +/* 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; + + 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 vnetnic->net_ops.recv(pkt->data, pkt->size, + vnetnic->net_ops.config.frontend_data); } -static int virtio_input(struct v3_vm_info *info, struct v3_vnet_pkt * pkt, void * private_data){ + +/* 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; - - 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); + return vnetnic->net_ops.poll(quote, vnetnic->net_ops.config.frontend_data); } -static int register_to_vnet(struct v3_vm_info * vm, - struct vnet_nic_state *vnet_nic, - char *dev_name, - uchar_t mac[6]) { - - PrintDebug("Vnet-nic: register Vnet-nic device %s, state %p to VNET\n", dev_name, vnet_nic); - - return v3_vnet_add_dev(vm, mac, virtio_input, (void *)vnet_nic); -} -static int vnet_nic_free(struct vm_device * dev) { +static int vnet_nic_free(struct vnet_nic_state * vnetnic) { + + v3_vnet_del_dev(vnetnic->vnet_dev_id); + V3_Free(vnetnic); + return 0; } static struct v3_device_ops dev_ops = { - .free = vnet_nic_free, - .reset = NULL, - .start = NULL, - .stop = NULL, -}; - + .free = (int (*)(void *))vnet_nic_free, -static int str2mac(char *macstr, char mac[6]){ - char hex[2], *s = macstr; - int i = 0; +}; - while(s){ - memcpy(hex, s, 2); - mac[i++] = (char)atox(hex); - if (i == 6) return 0; - 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 * name = v3_cfg_val(cfg, "name"); - char * macstr = NULL; - char mac[6]; + char * dev_id = v3_cfg_val(cfg, "ID"); int vnet_dev_id; v3_cfg_tree_t * frontend_cfg = v3_cfg_subtree(cfg, "frontend"); - macstr = v3_cfg_val(frontend_cfg, "mac"); - - if (macstr == NULL) { - PrintDebug("Vnet-nic: No Mac specified\n"); - } else { - str2mac(macstr, mac); - } 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(name, &dev_ops, vnetnic); - - if (v3_attach_device(vm, dev) == -1) { - PrintError("Could not attach device %s\n", name); + 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; - memcpy(vnetnic->mac, mac, 6); + 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", - name, v3_cfg_val(frontend_cfg, "tag")); + dev_id, v3_cfg_val(frontend_cfg, "tag")); + v3_remove_device(dev); return -1; } PrintDebug("Vnet-nic: Connect %s to frontend %s\n", - name, v3_cfg_val(frontend_cfg, "tag")); + dev_id, v3_cfg_val(frontend_cfg, "tag")); - if ((vnet_dev_id = register_to_vnet(vm, vnetnic, name, vnetnic->mac)) == -1) { - PrintError("Vnet-nic device %s (mac: %s) fails to registered to VNET\n", name, macstr); + 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", name, macstr, *((ulong_t *)vnetnic->mac)); - - -//for temporary hack for vnet bridge test -#if 1 - { - uchar_t zeromac[6] = {0,0,0,0,0,0}; - - if(!strcmp(name, "vnet_nic")){ - struct v3_vnet_route route; - - route.dst_id = vnet_dev_id; - route.dst_type = LINK_INTERFACE; - route.src_id = 0; - route.src_type = LINK_EDGE; - memcpy(route.dst_mac, zeromac, 6); - route.dst_mac_qual = MAC_ANY; - memcpy(route.src_mac, zeromac, 6); - route.src_mac_qual = MAC_ANY; - v3_vnet_add_route(route); - - - route.dst_id = 0; - route.dst_type = LINK_EDGE; - route.src_id = vnet_dev_id; - route.src_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; - - v3_vnet_add_route(route); - } - } -#endif - return 0; }