init_socket(struct raw_interface * iface, const char * eth_dev){
int err;
struct sockaddr_ll sock_addr;
- struct ifreq if_req;
+ struct net_device * net_dev;
err = sock_create(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL), &(iface->raw_sock));
if (err < 0) {
return -1;
}
- memset(&if_req, 0, sizeof(if_req));
- strncpy(if_req.ifr_name, eth_dev, sizeof(if_req.ifr_name));
-
- err = iface->raw_sock->ops->ioctl(iface->raw_sock, SIOCGIFINDEX, (long)&if_req);
- if (err < 0){
- printk(KERN_WARNING "Palacios Packet: Unable to get index for device %s, error %d\n",
- if_req.ifr_name, err);
-
+ net_dev = dev_get_by_name(&init_net, eth_dev);
+ if(net_dev == NULL) {
+ printk(KERN_WARNING "Palacios Packet: Unable to get index for device %s\n", eth_dev);
sock_release(iface->raw_sock);
return -1;
}
memset(&sock_addr, 0, sizeof(sock_addr));
sock_addr.sll_family = PF_PACKET;
sock_addr.sll_protocol = htons(ETH_P_ALL);
- sock_addr.sll_ifindex = if_req.ifr_ifindex;
+ sock_addr.sll_ifindex = net_dev->ifindex;
err = iface->raw_sock->ops->bind(iface->raw_sock,
(struct sockaddr *)&sock_addr,
}
printk(KERN_INFO "Bind a palacios raw packet interface to device %s, device index %d\n",
- if_req.ifr_name, if_req.ifr_ifindex);
+ eth_dev, net_dev->ifindex);
return 0;
}