def get_ebpf_manager(config):
if 'ebpf' not in config or not config['ebpf']['enabled']:
LOG.info("eBPF manager: Not initilized")
return None
gw_info = get_mobilityd_gw_info()
if not ('nat_iface' in config and 'enodeb_iface' in config):
LOG.info("eBPF manager: Missing nat_iface/ennodeb_iface")
return None
for gw in gw_info:
if gw.ip.version != IPAddress.IPV4:
continue
if gw.vlan in {"NO_VLAN", ""}:
bpf_man = EbpfManager(config['nat_iface'], config['enodeb_iface'],
gw.ip)
# TODO: For Development purpose dettch and attach latest eBPF code.
# Remove this for production deployment
bpf_man.detach_ul_ebpf()
bpf_man.detach_dl_ebpf()
bpf_man.attach_ul_ebpf()
bpf_man.attach_dl_ebpf()
LOG.info("eBPF manager: initilized")
return bpf_man
return None
def _monitor_and_update(self):
while self._gw_mac_monitor_on:
gw_info_list = get_mobilityd_gw_info()
for gw_info in gw_info_list:
if gw_info and gw_info.ip:
latest_mac_addr = self._get_gw_mac_address(
gw_info.ip, gw_info.vlan)
if latest_mac_addr is None or latest_mac_addr == "":
latest_mac_addr = gw_info.mac
self.logger.debug("mac [%s] for vlan %s", latest_mac_addr,
gw_info.vlan)
msgs = self._get_default_egress_flow_msgs(
self._datapath,
latest_mac_addr,
gw_info.vlan,
ipv6=(gw_info.ip.version == IPAddress.IPV6),
)
chan = self._msg_hub.send(msgs, self._datapath)
self._wait_for_responses(chan, len(msgs))
if latest_mac_addr and latest_mac_addr != "":
set_mobilityd_gw_info(
gw_info.ip,
latest_mac_addr,
gw_info.vlan,
)
else:
self.logger.warning("No default GW found.")
hub.sleep(self.config.non_nat_gw_probe_frequency)
def _monitor_and_update(self):
while True:
gw_info_list = get_mobilityd_gw_info()
for gw_info in gw_info_list:
if gw_info and gw_info.ip:
latest_mac_addr = self._get_gw_mac_address(gw_info.ip, gw_info.vlan)
self.logger.debug("mac [%s] for vlan %s", latest_mac_addr, gw_info.vlan)
if latest_mac_addr == "":
latest_mac_addr = gw_info.mac
self._install_default_egress_flows(self._datapath,
latest_mac_addr,
gw_info.vlan)
if latest_mac_addr != "":
set_mobilityd_gw_info(gw_info.ip,
latest_mac_addr,
gw_info.vlan)
else:
self.logger.warning("No default GW found.")
hub.sleep(self.config.non_nat_gw_probe_frequency)
def get_ebpf_manager(config):
if 'ebpf' in config:
enabled = config['ebpf']['enabled']
else:
enabled = False
gw_info = get_mobilityd_gw_info()
for gw in gw_info:
if gw.vlan == "":
bpf_man = ebpf_manager(config['nat_iface'], config['enodeb_iface'],
gw.ip, enabled)
if enabled:
# TODO: For Development purpose dettch and attach latest eBPF code.
# Remove this for production deployment
bpf_man.detach_ul_ebpf()
bpf_man.attach_ul_ebpf()
LOG.info("eBPF manager: initilized: enabled: %s", enabled)
return bpf_man
LOG.info("eBPF manager: Not initilized")
return None
def _monitor_and_update(self):
while True:
updated_info = get_mobilityd_gw_info()
if updated_info:
cached_gw_info = updated_info
if cached_gw_info and cached_gw_info.ip:
latest_mac_addr = self._get_gw_mac_address(cached_gw_info.ip)
if len(latest_mac_addr) == 17 and \
self._current_upstream_mac != latest_mac_addr:
self._install_default_egress_flows(self._datapath,
latest_mac_addr)
cached_gw_info.mac = latest_mac_addr
set_gw_info = cached_gw_info
set_mobilityd_gw_info(set_gw_info)
elif latest_mac_addr != "":
self.logger.warning("invalid mac: %s", latest_mac_addr)
else:
self.logger.warning("No default GW found.")
self.logger.info("non_mat_gw_probe_frequency: %s mac: [%s]",
self.config.non_mat_gw_probe_frequency,
self._current_upstream_mac)
hub.sleep(self.config.non_mat_gw_probe_frequency)
