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| author | Nayana Bidari <nybidari@google.com> | 2020-03-27 12:18:45 -0700 |
|---|---|---|
| committer | Nayana Bidari <nybidari@google.com> | 2020-05-01 16:59:40 -0700 |
| commit | b660f16d18827f0310594c80d9387de11430f15f (patch) | |
| tree | e645837d657b8e5feefa655840a969f4f3d87314 /pkg/tcpip/stack/packet_buffer.go | |
| parent | 40d6aae1220292985a85ee03248ad5781edb4c80 (diff) | |
Support for connection tracking of TCP packets.
Connection tracking is used to track packets in prerouting and
output hooks of iptables. The NAT rules modify the tuples in
connections. The connection tracking code modifies the packets by
looking at the modified tuples.
Diffstat (limited to 'pkg/tcpip/stack/packet_buffer.go')
| -rw-r--r-- | pkg/tcpip/stack/packet_buffer.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/pkg/tcpip/stack/packet_buffer.go b/pkg/tcpip/stack/packet_buffer.go index 9ff80ab24..926df4d7b 100644 --- a/pkg/tcpip/stack/packet_buffer.go +++ b/pkg/tcpip/stack/packet_buffer.go @@ -72,6 +72,10 @@ type PacketBuffer struct { EgressRoute *Route GSOOptions *GSO NetworkProtocolNumber tcpip.NetworkProtocolNumber + + // NatDone indicates if the packet has been manipulated as per NAT + // iptables rule. + NatDone bool } // Clone makes a copy of pk. It clones the Data field, which creates a new |