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| author | Ghanan Gowripalan <ghanan@google.com> | 2021-05-13 18:52:06 -0700 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2021-05-13 18:54:09 -0700 |
| commit | 2b457d9ee9ba50da4a9208d957053fac2c77932d (patch) | |
| tree | 8c711a691ef53a677083af1f884d664284f30f9c /pkg/tcpip/tcpip.go | |
| parent | 7ea2dcbaece00b5c7310c74fcf99c1fb32e9ec28 (diff) | |
Check filter table when forwarding IP packets
This change updates the forwarding path to perform the forwarding hook
with iptables so that the filter table is consulted before a packet is
forwarded
Updates #170.
Test: iptables_test.TestForwardingHook
PiperOrigin-RevId: 373702359
Diffstat (limited to 'pkg/tcpip/tcpip.go')
| -rw-r--r-- | pkg/tcpip/tcpip.go | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/pkg/tcpip/tcpip.go b/pkg/tcpip/tcpip.go index 7b9c8cd4f..797778e08 100644 --- a/pkg/tcpip/tcpip.go +++ b/pkg/tcpip/tcpip.go @@ -1571,6 +1571,10 @@ type IPStats struct { // PacketsReceived is the number of IP packets received from the link layer. PacketsReceived *StatCounter + // ValidPacketsReceived is the number of valid IP packets that reached the IP + // layer. + ValidPacketsReceived *StatCounter + // DisabledPacketsReceived is the number of IP packets received from the link // layer when the IP layer is disabled. DisabledPacketsReceived *StatCounter @@ -1610,6 +1614,10 @@ type IPStats struct { // chain. IPTablesInputDropped *StatCounter + // IPTablesForwardDropped is the number of IP packets dropped in the Forward + // chain. + IPTablesForwardDropped *StatCounter + // IPTablesOutputDropped is the number of IP packets dropped in the Output // chain. IPTablesOutputDropped *StatCounter |