Example #1
0
def push_vlan(vlan_vid):
    """Push a VLAN tag with optional selection of eth type."""
    vid = vlan_vid
    vlan_eth_type = None
    if isinstance(vlan_vid, dict):
        vid = vlan_vid['vid']
        if 'eth_type' in vlan_vid:
            vlan_eth_type = vlan_vid['eth_type']
    if vlan_eth_type is None:
        return valve_of.push_vlan_act(vid)
    return valve_of.push_vlan_act(vid, eth_type=vlan_eth_type)
Example #2
0
def rewrite_vlan(output_dict):
    vlan_actions = []
    if 'pop_vlans' in output_dict:
        for _ in range(output_dict['pop_vlans']):
            vlan_actions.append(valve_of.pop_vlan())
    # if vlan tag is specified, push it.
    if 'vlan_vid' in output_dict:
        vlan_actions.extend(valve_of.push_vlan_act(output_dict['vlan_vid']))
    # or, if a list, push them all (all with type Q).
    elif 'vlan_vids' in output_dict:
        for vid in output_dict['vlan_vids']:
            vlan_actions.extend(valve_of.push_vlan_act(vid))
    return vlan_actions
Example #3
0
 def _port_add_vlan_untagged(self, port, vlan, forwarding_table, mirror_act):
     push_vlan_act = mirror_act + valve_of.push_vlan_act(vlan.vid)
     push_vlan_inst = [
         valve_of.apply_actions(push_vlan_act),
         valve_of.goto_table(forwarding_table)
     ]
     null_vlan = namedtuple('null_vlan', 'vid')
     null_vlan.vid = ofp.OFPVID_NONE
     return self._port_add_vlan_rules(port, vlan, null_vlan, push_vlan_inst)
Example #4
0
 def _port_add_vlan_untagged(self, port, vlan, forwarding_table, mirror_act):
     push_vlan_act = mirror_act + valve_of.push_vlan_act(vlan.vid)
     push_vlan_inst = [
         valve_of.apply_actions(push_vlan_act),
         valve_of.goto_table(forwarding_table)
     ]
     null_vlan = namedtuple('null_vlan', 'vid')
     null_vlan.vid = ofp.OFPVID_NONE
     return self._port_add_vlan_rules(port, null_vlan, push_vlan_inst)
Example #5
0
def build_acl_entry(rule_conf, acl_allow_inst, port_num=None, vlan_vid=None):
    acl_inst = []
    match_dict = {}
    for attrib, attrib_value in rule_conf.items():
        if attrib == 'in_port':
            continue
        if attrib == 'actions':
            allow = False
            allow_specified = False
            if 'allow' in attrib_value:
                allow_specified = True
                if attrib_value['allow'] == 1:
                    allow = True
            if 'mirror' in attrib_value:
                port_no = attrib_value['mirror']
                acl_inst.append(
                    valve_of.apply_actions([valve_of.output_port(port_no)]))
                if not allow_specified:
                    allow = True
            # if output selected, output packet now and exit pipeline.
            if 'output' in attrib_value:
                output_dict = attrib_value['output']
                output_actions = []
                # if destination rewriting selected, rewrite it.
                if 'dl_dst' in output_dict:
                    output_actions.append(
                        valve_of.set_eth_dst(output_dict['dl_dst']))
                # if vlan tag is specified, push it.
                if 'vlan_vid' in output_dict:
                    output_actions.extend(
                        valve_of.push_vlan_act(output_dict['vlan_vid']))
                # output to port
                port_no = output_dict['port']
                output_actions.append(valve_of.output_port(port_no))
                acl_inst.append(valve_of.apply_actions(output_actions))
                continue
            if allow:
                acl_inst.append(acl_allow_inst)
        else:
            match_dict[attrib] = attrib_value
    if port_num is not None:
        match_dict['in_port'] = port_num
    if vlan_vid is not None:
        match_dict['vlan_vid'] = valve_of.vid_present(vlan_vid)
    acl_match = valve_of.match_from_dict(match_dict)
    return acl_match, acl_inst
Example #6
0
def build_acl_entry(rule_conf, acl_allow_inst, port_num=None, vlan_vid=None):
    acl_inst = []
    match_dict = {}
    for attrib, attrib_value in rule_conf.iteritems():
        if attrib == 'in_port':
            continue
        if attrib == 'actions':
            allow = False
            allow_specified = False
            if 'allow' in attrib_value:
                allow_specified = True
                if attrib_value['allow'] == 1:
                    allow = True
            if 'mirror' in attrib_value:
                port_no = attrib_value['mirror']
                acl_inst.append(
                    valve_of.apply_actions([valve_of.output_port(port_no)]))
                if not allow_specified:
                    allow = True
            # if output selected, output packet now and exit pipeline.
            if 'output' in attrib_value:
                output_dict = attrib_value['output']
                output_actions = []
                # if destination rewriting selected, rewrite it.
                if 'dl_dst' in output_dict:
                    output_actions.append(
                        valve_of.set_eth_dst(output_dict['dl_dst']))
                # if vlan tag is specified, push it.
                if 'vlan_vid' in output_dict:
                    output_actions.extend(
                        valve_of.push_vlan_act(output_dict['vlan_vid']))
                # output to port
                port_no = output_dict['port']
                output_actions.append(valve_of.output_port(port_no))
                acl_inst.append(valve_of.apply_actions(output_actions))
                continue
            if allow:
                acl_inst.append(acl_allow_inst)
        else:
            match_dict[attrib] = attrib_value
    if port_num is not None:
        match_dict['in_port'] = port_num
    if vlan_vid is not None:
        match_dict['vlan_vid'] = valve_of.vid_present(vlan_vid)
    acl_match = valve_of.match_from_dict(match_dict)
    return acl_match, acl_inst