# managed by puppet
#
# the ff ip of the gateway
router id <%= @own_ipv4 %>;

# routing tables
table ffhh;

# filter to check ulas
function is_ula() {
  return (net ~ [ fc00::/7{48,64} ]);
}

function is_self() {
  return (proto = "static_ffhh");
}

filter ffhh_internal_export {
  if (proto = "local_ffhh") then accept;
  if (source != RTS_BGP) then reject;
  if (is_ula() && proto != "static_ffhh") then accept;
  else reject;
}

# don't use kernel's routes for bird, but export bird's routes to kernel
protocol kernel {
  scan time 20;  # Scan kernel routing table every 20 seconds
  import none;  # Default is import all
  export all;
}

# This pseudo-protocol watches all interface up/down events.
protocol device {
  scan time 10;  # Scan interfaces every 10 seconds
}

# define our routes
protocol static static_ffhh {
  table ffhh;
  # reject route if announced from external
  route fd51:2bb2:fd0d::/48 reject;
};

protocol static local_ffhh {
  table ffhh;
  route fd51:2bb2:fd0d::/64 via "br-ffhh";
};

protocol pipe pipe_ffhh {
  peer table ffhh;
  import all;
  export none;
};

# template for internal routing
template bgp bgp_ibgp {
  table ffhh;
  local as 65112;
  source address <%= @own_ipv6 %>;
  import all;
  export where source = RTS_BGP;
  gateway direct;
  next hop self;
};

# icvpn template for hamburg03
template bgp bgp_icvpn {
  local as 65112;
  source address <%= @own_ipv6 %>;
  table ffhh;
  import where is_ula();
  export where is_self() || (source = RTS_BGP);
};

<% @peerings_v6.each_pair do |key, hash| -%><% if hash["ip"] != @own_ipv6 -%>
protocol bgp <%= key %> from <%= hash["template"] %> {
  neighbor <%= hash["ip"] %> as <%= hash["as"] %>;
};
<% end -%><% end -%>

<% if @gw_do_ic_peering -%>
<% @ic_peerings_v6.each_pair do |key, hash| -%><% if hash["ip"] != @own_ipv6 -%>
protocol bgp <%= key %> from <%= hash["template"] %> {
  neighbor <%= hash["ip"] %> as <%= hash["as"] %>;
};
<% end -%><% end -%>
<% end -%>