From 0ca4cf769840afa7c44477d75d9f780540c01fcd Mon Sep 17 00:00:00 2001 From: Ghanan Gowripalan Date: Thu, 21 Jan 2021 14:08:20 -0800 Subject: Populate EgressRoute, GSO, Netproto in NIC fdbased and qdisc layers expect these fields to already be populated before being reached. PiperOrigin-RevId: 353099492 --- pkg/tcpip/stack/nic.go | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) (limited to 'pkg/tcpip/stack') diff --git a/pkg/tcpip/stack/nic.go b/pkg/tcpip/stack/nic.go index f2bca93d3..d19150a20 100644 --- a/pkg/tcpip/stack/nic.go +++ b/pkg/tcpip/stack/nic.go @@ -344,6 +344,9 @@ func (n *NIC) writePacket(r RouteInfo, gso *GSO, protocol tcpip.NetworkProtocolN // WritePacket takes ownership of pkt, calculate numBytes first. numBytes := pkt.Size() + pkt.EgressRoute = r + pkt.GSOOptions = gso + pkt.NetworkProtocolNumber = protocol if err := n.LinkEndpoint.WritePacket(r, gso, protocol, pkt); err != nil { return err } @@ -357,7 +360,14 @@ func (n *NIC) writePacket(r RouteInfo, gso *GSO, protocol tcpip.NetworkProtocolN func (n *NIC) WritePackets(r *Route, gso *GSO, pkts PacketBufferList, protocol tcpip.NetworkProtocolNumber) (int, *tcpip.Error) { // TODO(gvisor.dev/issue/4458): Queue packets whie link address resolution // is being peformed like WritePacket. - writtenPackets, err := n.LinkEndpoint.WritePackets(r.Fields(), gso, pkts, protocol) + routeInfo := r.Fields() + for pkt := pkts.Front(); pkt != nil; pkt = pkt.Next() { + pkt.EgressRoute = routeInfo + pkt.GSOOptions = gso + pkt.NetworkProtocolNumber = protocol + } + + writtenPackets, err := n.LinkEndpoint.WritePackets(routeInfo, gso, pkts, protocol) n.stats.Tx.Packets.IncrementBy(uint64(writtenPackets)) writtenBytes := 0 for i, pb := 0, pkts.Front(); i < writtenPackets && pb != nil; i, pb = i+1, pb.Next() { -- cgit v1.2.3