diff options
| author | Ian Gudger <igudger@google.com> | 2019-02-07 23:14:06 -0800 |
|---|---|---|
| committer | Shentubot <shentubot@google.com> | 2019-02-07 23:15:23 -0800 |
| commit | 80f901b16b8bb8fe397cc44578035173f5155b24 (patch) | |
| tree | 91707e2f2b424f71f7bac661c05a830b56244255 /pkg/tcpip/stack | |
| parent | fda4d1f4f11201c34bd15d41ba4c94279d135d95 (diff) | |
Plumb IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP to netstack.
Also includes a few fixes for IPv4 multicast support. IPv6 support is coming in
a followup CL.
PiperOrigin-RevId: 233008638
Change-Id: If7dae6222fef43fda48033f0292af77832d95e82
Diffstat (limited to 'pkg/tcpip/stack')
| -rw-r--r-- | pkg/tcpip/stack/stack.go | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/pkg/tcpip/stack/stack.go b/pkg/tcpip/stack/stack.go index 7aa9dbd46..854ebe1bb 100644 --- a/pkg/tcpip/stack/stack.go +++ b/pkg/tcpip/stack/stack.go @@ -742,6 +742,9 @@ func (s *Stack) FindRoute(id tcpip.NICID, localAddr, remoteAddr tcpip.Address, n return Route{}, tcpip.ErrNoRoute } + // TODO: Route multicast packets with no specified local + // address or NIC. + for i := range s.routeTable { if (id != 0 && id != s.routeTable[i].NIC) || (len(remoteAddr) != 0 && !s.routeTable[i].Match(remoteAddr)) { continue @@ -768,6 +771,10 @@ func (s *Stack) FindRoute(id tcpip.NICID, localAddr, remoteAddr tcpip.Address, n return r, nil } + if isMulticast { + return Route{}, tcpip.ErrNetworkUnreachable + } + return Route{}, tcpip.ErrNoRoute } |