diff options
Diffstat (limited to 'pkg/tcpip/stack/stack.go')
| -rw-r--r-- | pkg/tcpip/stack/stack.go | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/pkg/tcpip/stack/stack.go b/pkg/tcpip/stack/stack.go index 2d313cc27..699519be1 100644 --- a/pkg/tcpip/stack/stack.go +++ b/pkg/tcpip/stack/stack.go @@ -283,8 +283,9 @@ type Stack struct { linkAddrCache *linkAddrCache - mu sync.RWMutex - nics map[tcpip.NICID]*NIC + mu sync.RWMutex + nics map[tcpip.NICID]*NIC + forwarding bool // route is the route table passed in by the user via SetRouteTable(), // it is used by FindRoute() to build a route for a specific @@ -448,6 +449,22 @@ func (s *Stack) Stats() tcpip.Stats { return s.stats } +// SetForwarding enables or disables the packet forwarding between NICs. +func (s *Stack) SetForwarding(enable bool) { + // TODO: Expose via /proc/sys/net/ipv4/ip_forward. + s.mu.Lock() + s.forwarding = enable + s.mu.Unlock() +} + +// Forwarding returns if the packet forwarding between NICs is enabled. +func (s *Stack) Forwarding() bool { + // TODO: Expose via /proc/sys/net/ipv4/ip_forward. + s.mu.RLock() + defer s.mu.RUnlock() + return s.forwarding +} + // SetRouteTable assigns the route table to be used by this stack. It // specifies which NIC to use for given destination address ranges. func (s *Stack) SetRouteTable(table []tcpip.Route) { |