def mpls_interface_group(dpath, mod, ofctl):
"""
MPLS Interface group
"""
_LOG.debug("MPLS Interface Group: %d %s", dpath.id, mod)
entry = mod.mpls_iface
cmd = fibcapi.group_mod_cmd(mod.cmd, dpath.ofproto)
gid = fibcapi.mpls_interface_group_id(entry.ne_id)
def _buckets():
if not ofgroup.is_bucket_needed(dpath, cmd):
return []
next_gid = fibcapi.l2_interface_group_id(entry.port_id, entry.vlan_vid)
vlan_vid = fibcapi.adjust_vlan_vid(
entry.vlan_vid) | fibcapi.OFPVID_PRESENT
actions = [
ofaction.set_field("eth_src", entry.eth_src),
ofaction.set_field("eth_dst", entry.eth_dst),
ofaction.set_field("vlan_vid", vlan_vid),
ofaction.group(next_gid),
]
return [dict(actions=actions)]
group = ofgroup.group_mod(gid, "INDIRECT", _buckets)
ofctl.mod_group_entry(dpath, group, cmd)
def _buckets():
if not ofgroup.is_bucket_needed(dpath, cmd):
return []
next_gid = fibcapi.mpls_interface_group_id(entry.ne_id)
actions = [
ofaction.set_field("mpls_label", entry.new_label),
ofaction.group(next_gid),
]
return [dict(actions=actions)]
def get_next_gid(entry):
"""
Get Next Group Id
"""
if entry.ne_id != 0:
return fibcapi.mpls_interface_group_id(entry.ne_id)
elif entry.new_dst_id != 0:
return fibcapi.mpls_label_group_id(3, entry.new_dst_id)
return None
def _writes():
if not offlow.is_action_needed(dpath, cmd):
return []
if entry.g_type == pb.GroupMod.MPLS_INTERFACE:
return [
ofaction.group(fibcapi.mpls_interface_group_id(entry.g_id))
]
if entry.g_type == pb.GroupMod.MPLS_SWAP:
return [ofaction.group(fibcapi.mpls_label_group_id(5, entry.g_id))]
if entry.g_type == pb.GroupMod.MPLS_FF:
return [ofaction.group(fibcapi.mpls_ff_group_id(entry.g_id))]
if entry.g_type == pb.GroupMod.MPLS_ECMP:
return [ofaction.group(fibcapi.mpls_ecmp_group_id(entry.g_id))]
return []