-static int _raw_packet_start(const char *ifname, unsigned char *ethmac,
- struct eth_sandbox_raw_priv *priv)
+#include <os.h>
+
+struct sandbox_eth_raw_if_nameindex *sandbox_eth_raw_if_nameindex(void)
+{
+ return (struct sandbox_eth_raw_if_nameindex *)if_nameindex();
+}
+
+void sandbox_eth_raw_if_freenameindex(struct sandbox_eth_raw_if_nameindex *ptr)
+{
+ if_freenameindex((struct if_nameindex *)ptr);
+}
+
+int sandbox_eth_raw_os_is_local(const char *ifname)
+{
+ int fd = socket(AF_INET, SOCK_DGRAM, 0);
+ struct ifreq ifr;
+ int ret = 0;
+
+ if (fd < 0)
+ return -errno;
+ memset(&ifr, 0, sizeof(ifr));
+ strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
+ ret = ioctl(fd, SIOCGIFFLAGS, &ifr);
+ if (ret < 0) {
+ ret = -errno;
+ goto out;
+ }
+ ret = !!(ifr.ifr_flags & IFF_LOOPBACK);
+out:
+ close(fd);
+ return ret;
+}
+
+int sandbox_eth_raw_os_idx_to_name(struct eth_sandbox_raw_priv *priv)
+{
+ if (!if_indextoname(priv->host_ifindex, priv->host_ifname))
+ return -errno;
+ return 0;
+}
+
+static int _raw_packet_start(struct eth_sandbox_raw_priv *priv,
+ unsigned char *ethmac)