zebra: Fully decode mcast messages

Fully decode mcast messages from the kernel.  We are not
doing anything with this at the moment, but that will
change.

Additionally convert over to using lookup for
displaying the route type.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>

1 files changed, 28 insertions, 0 deletions

diff --git a/zebra/kernel_netlink.c b/zebra/kernel_netlink.c
index 9142d4d151..20c4b5afe2 100644
--- a/zebra/kernel_netlink.c
+++ b/zebra/kernel_netlink.c
@@ -95,6 +95,21 @@ static const struct message rtproto_str[] = {
   {0,               NULL}
 };
 
+static const struct message family_str[] = {
+  {AF_INET,           "ipv4"},
+  {AF_INET6,          "ipv6"},
+  {AF_BRIDGE,         "bridge"},
+  {RTNL_FAMILY_IPMR,  "ipv4MR"},
+  {RTNL_FAMILY_IP6MR, "ipv6MR"},
+  {0,                 NULL},
+};
+
+static const struct message rttype_str[] = {
+  {RTN_UNICAST,   "unicast"},
+  {RTN_MULTICAST, "multicast"},
+  {0,             NULL},
+};
+
 extern struct thread_master *master;
 extern u_int32_t nl_rcvbufsize;
 
@@ -398,6 +413,19 @@ nl_rtproto_to_str (u_char rtproto)
 {
   return lookup (rtproto_str, rtproto);
 }
+
+const char *
+nl_family_to_str (u_char family)
+{
+  return lookup (family_str, family);
+}
+
+const char *
+nl_rttype_to_str (u_char rttype)
+{
+  return lookup (rttype_str, rttype);
+}
+
 /* Receive message from netlink interface and pass those information
    to the given function. */
 int