[PATCH 2/3] net: add local route when creating link local ipv6 interface

[Josef Bacik <jbacik@fb.com>]

In order to talk to link local ipv6 addresses we need to have a route out of the
link local interface for this to work.  Thanks,

Signed-off-by: Josef Bacik <jbacik@fb.com>
---
 grub-core/net/net.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/grub-core/net/net.c b/grub-core/net/net.c
index 21a4e94..f96297a 100644
--- a/grub-core/net/net.c
+++ b/grub-core/net/net.c
@@ -297,7 +297,9 @@ grub_net_ipv6_get_link_local (struct grub_net_card *card,
   struct grub_net_network_level_interface *inf;
   char *name;
   char *ptr;
+  grub_err_t err;
   grub_net_network_level_address_t addr;
+  grub_net_network_level_netaddress_t netaddr;
 
   name = grub_malloc (grub_strlen (card->name)
 		      + GRUB_NET_MAX_STR_HWADDR_LEN
@@ -325,7 +327,17 @@ grub_net_ipv6_get_link_local (struct grub_net_card *card,
       ptr += grub_strlen (ptr);
     }
   ptr = grub_stpcpy (ptr, ":link");
-  return grub_net_add_addr_real (name, card, &addr, hwaddr, 0);
+  inf = grub_net_add_addr_real (name, card, &addr, hwaddr, 0);
+  if (!inf)
+    return NULL;
+  netaddr.type = GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV6;
+  netaddr.ipv6.base[0] = grub_cpu_to_be64_compile_time (0xfe80ULL << 48);
+  netaddr.ipv6.base[1] = 0;
+  netaddr.ipv6.masksize = 64;
+  err = grub_net_add_route (name, netaddr, inf);
+  if (err != GRUB_ERR_NONE)
+    return NULL;
+  return inf;
 }
 
 /* FIXME: allow to specify mac address.  */
-- 
2.1.0