diff options
| author | Kevin Krakauer <krakauer@google.com> | 2020-08-10 19:32:48 -0700 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-08-10 19:34:28 -0700 |
| commit | 8e31f0dc57d44fb463441f6156fba5c240369dfe (patch) | |
| tree | 710ba997c1c01c7e47fe65dfb7c3471bef22dd37 /pkg/tcpip/network/ipv6 | |
| parent | 0a8ae4b32f0dbc0b2a84c3f07c8c98e855a8f5fa (diff) | |
Set the NetworkProtocolNumber of all PacketBuffers.
NetworkEndpoints set the number on outgoing packets in Write() and
NetworkProtocols set them on incoming packets in Parse().
Needed for #3549.
PiperOrigin-RevId: 325938745
Diffstat (limited to 'pkg/tcpip/network/ipv6')
| -rw-r--r-- | pkg/tcpip/network/ipv6/ipv6.go | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/pkg/tcpip/network/ipv6/ipv6.go b/pkg/tcpip/network/ipv6/ipv6.go index 4a0b53c45..d7d7fc611 100644 --- a/pkg/tcpip/network/ipv6/ipv6.go +++ b/pkg/tcpip/network/ipv6/ipv6.go @@ -117,6 +117,7 @@ func (e *endpoint) addIPHeader(r *stack.Route, hdr *buffer.Prependable, payloadS func (e *endpoint) WritePacket(r *stack.Route, gso *stack.GSO, params stack.NetworkHeaderParams, pkt *stack.PacketBuffer) *tcpip.Error { ip := e.addIPHeader(r, &pkt.Header, pkt.Data.Size(), params) pkt.NetworkHeader = buffer.View(ip) + pkt.NetworkProtocolNumber = header.IPv6ProtocolNumber if r.Loop&stack.PacketLoop != 0 { // The inbound path expects the network header to still be in @@ -152,6 +153,7 @@ func (e *endpoint) WritePackets(r *stack.Route, gso *stack.GSO, pkts stack.Packe for pb := pkts.Front(); pb != nil; pb = pb.Next() { ip := e.addIPHeader(r, &pb.Header, pb.Data.Size(), params) pb.NetworkHeader = buffer.View(ip) + pb.NetworkProtocolNumber = header.IPv6ProtocolNumber } n, err := e.linkEP.WritePackets(r, gso, pkts, ProtocolNumber) @@ -586,6 +588,7 @@ traverseExtensions: } ipHdr = header.IPv6(hdr) + pkt.NetworkProtocolNumber = header.IPv6ProtocolNumber pkt.NetworkHeader = hdr pkt.Data.TrimFront(len(hdr)) pkt.Data.CapLength(int(ipHdr.PayloadLength())) |