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[controller] setup v4 dst/src correctly

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Nico Schottelius 2019-05-06 13:06:09 +02:00
commit 34e3b84a1d
1 changed files with 11 additions and 2 deletions
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13
p4app/controller.py
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@ -547,8 +547,17 @@ class L2Controller(object):
tcp_dst_port = pkg[TCP].dport
# FIXME: range, reuse, etc.
ipv4_src_addr = self.nat64_session_net[self.mode]
self.nat64_session_net[self.mode] += 1
idx = self.nat64_session_net[self.mode]['v4_idx']
self.nat64_session_net[self.mode]['v4_idx'] += 1
ipv4_src_addr = self.nat64_session_net[self.mode]['v4_net'][idx]
ipv6_dst_addr = ipaddress.IPv6Address(pkg[IPv6].dst)
ipv4_dst_addr = int(ipv6_dst_addr) - int(self.nat64_session_net[self.mode]['v6_net'][0])
log.debug("src v4={}, dst v6 = {}, dst v4 = {}".format(ipv4_src_addr,
ipv6_dst_addr,
ipv4_dst_addr)
self.controller.table_add("nat64_tcp_session",