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iptables: remove metadata struct

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Metadata was useful for debugging and safety, but enough tests exist that we
should see failures when (de)serialization is broken. It made stack
initialization more cumbersome and it's also getting in the way of ip6tables.

PiperOrigin-RevId: 317210653
This commit is contained in:
Kevin Krakauer
2020-06-18 17:02:16 -07:00
committed by gVisor bot
parent 878050b5cf
commit 28b8a5cc3a
5 changed files with 21 additions and 114 deletions
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pkg/sentry/socket/netstack/stack.go
-6
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@@ -18,7 +18,6 @@ import (
"gvisor.dev/gvisor/pkg/abi/linux"
"gvisor.dev/gvisor/pkg/log"
"gvisor.dev/gvisor/pkg/sentry/inet"
"gvisor.dev/gvisor/pkg/sentry/socket/netfilter"
"gvisor.dev/gvisor/pkg/syserr"
"gvisor.dev/gvisor/pkg/syserror"
"gvisor.dev/gvisor/pkg/tcpip"
@@ -366,11 +365,6 @@ func (s *Stack) IPTables() (*stack.IPTables, error) {
return s.Stack.IPTables(), nil
}
// FillIPTablesMetadata populates stack's IPTables with metadata.
func (s *Stack) FillIPTablesMetadata() {
netfilter.FillIPTablesMetadata(s.Stack)
}
// Resume implements inet.Stack.Resume.
func (s *Stack) Resume() {
s.Stack.Resume()