message: enable ipv6 support for uhyve
diff: #include <lwip/sockets.h>
  #include <lwip/err.h>
  #include <lwip/stats.h>
  +#include <lwip/ethip6.h>
  #include <netif/etharp.h>
  #include "uhyve-net.h"
  -static int uhyve_net_init_ok = 0;
  +static int8_t uhyve_net_init_ok = 0;
  static struct netif* mynetif = NULL;
  -#define PING_DEBUG 1
  -
  -#define HLEN_ETHER 6
  -
  static int uhyve_net_write_sync(uint8_t *data, int n)
  {
  volatile uhyve_netwrite_t uhyve_netwrite;
  @@ -255,7 +252,7 @@ err_t uhyve_netif_init (struct netif* netif) {
  LOG_INFO("uhyve_netif_init: Found uhyve_net interface\n");
  - LWIP_DEBUGF(NETIF_DEBUG, ("uhyve_netif_init: MAC Address "));
  + LWIP_DEBUGF(NETIF_DEBUG, ("uhyve_netif_init: MAC address "));
  char *hermit_mac = hermit_net_mac_str();
  for (tmp8=0; tmp8 < ETHARP_HWADDR_LEN; tmp8++) {
  netif->hwaddr[tmp8] = dehex(*hermit_mac++) << 4;
  @@ -267,9 +264,9 @@ err_t uhyve_netif_init (struct netif* netif) {
  uhyve_netif->ethaddr = (struct eth_addr *)netif->hwaddr;
  if (ETHARP_SUPPORT_VLAN) {
  - kprintf("ETHARP_SUPPORT_VLAN: enabled\n");
  + LOG_INFO("ETHARP_SUPPORT_VLAN: enabled\n");
  } else {
  - kprintf("ETHARP_SUPPORT_VLAN: disabled\n");
  + LOG_INFO("ETHARP_SUPPORT_VLAN: disabled\n");
  }
  netif->name[0] = 'e';
  @@ -281,15 +278,14 @@ err_t uhyve_netif_init (struct netif* netif) {
  /* maximum transfer unit */
  netif->mtu = 1500;
  /* broadcast capability */
  - netif->flags |= NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_IGMP | NETIF_FLAG_LINK_UP /* | NETIF_FLAG_MLD6*/;
  + netif->flags |= NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_IGMP | NETIF_FLAG_LINK_UP | NETIF_FLAG_MLD6;
  -/*
  #if LWIP_IPV6
  netif->output_ip6 = ethip6_output;
  netif_create_ip6_linklocal_address(netif, 1);
  netif->ip6_autoconfig_enabled = 1;
  #endif
  -*/
  +
  LOG_INFO("uhyve_netif_init: OK\n");
  uhyve_net_init_ok = 1;
  return ERR_OK;
  