diff options
| author | gVisor bot <gvisor-bot@google.com> | 2019-11-25 17:40:04 +0000 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2019-11-25 17:40:04 +0000 |
| commit | 56d7dc03b7dd9c53d326b62564d4e0b2669d7d85 (patch) | |
| tree | ab71c6ea3aa7ab273a9384c3962276eb931fe8e9 /pkg/tcpip/network | |
| parent | 4fa69943460af8f1648d821778ef331589ac6558 (diff) | |
| parent | 1641338b14204ea941c547cf4c1a70665922ca05 (diff) | |
Merge release-20191114.0-28-g1641338 (automated)
Diffstat (limited to 'pkg/tcpip/network')
| -rw-r--r-- | pkg/tcpip/network/ipv4/ipv4.go | 9 | ||||
| -rw-r--r-- | pkg/tcpip/network/ipv6/ipv6.go | 9 |
2 files changed, 12 insertions, 6 deletions
diff --git a/pkg/tcpip/network/ipv4/ipv4.go b/pkg/tcpip/network/ipv4/ipv4.go index 7059600f5..e645cf62c 100644 --- a/pkg/tcpip/network/ipv4/ipv4.go +++ b/pkg/tcpip/network/ipv4/ipv4.go @@ -240,16 +240,18 @@ func (e *endpoint) addIPHeader(r *stack.Route, hdr *buffer.Prependable, payloadS // WritePacket writes a packet to the given destination address and protocol. func (e *endpoint) WritePacket(r *stack.Route, gso *stack.GSO, params stack.NetworkHeaderParams, loop stack.PacketLooping, pkt tcpip.PacketBuffer) *tcpip.Error { ip := e.addIPHeader(r, &pkt.Header, pkt.Data.Size(), params) + pkt.NetworkHeader = buffer.View(ip) if loop&stack.PacketLoop != 0 { + // The inbound path expects the network header to still be in + // the PacketBuffer's Data field. views := make([]buffer.View, 1, 1+len(pkt.Data.Views())) views[0] = pkt.Header.View() views = append(views, pkt.Data.Views()...) loopedR := r.MakeLoopedRoute() e.HandlePacket(&loopedR, tcpip.PacketBuffer{ - Data: buffer.NewVectorisedView(len(views[0])+pkt.Data.Size(), views), - NetworkHeader: buffer.View(ip), + Data: buffer.NewVectorisedView(len(views[0])+pkt.Data.Size(), views), }) loopedR.Release() @@ -277,7 +279,8 @@ func (e *endpoint) WritePackets(r *stack.Route, gso *stack.GSO, pkts []tcpip.Pac } for i := range pkts { - e.addIPHeader(r, &pkts[i].Header, pkts[i].DataSize, params) + ip := e.addIPHeader(r, &pkts[i].Header, pkts[i].DataSize, params) + pkts[i].NetworkHeader = buffer.View(ip) } n, err := e.linkEP.WritePackets(r, gso, pkts, ProtocolNumber) r.Stats().IP.PacketsSent.IncrementBy(uint64(n)) diff --git a/pkg/tcpip/network/ipv6/ipv6.go b/pkg/tcpip/network/ipv6/ipv6.go index c9087ffa7..dd31f0fb7 100644 --- a/pkg/tcpip/network/ipv6/ipv6.go +++ b/pkg/tcpip/network/ipv6/ipv6.go @@ -114,16 +114,18 @@ func (e *endpoint) addIPHeader(r *stack.Route, hdr *buffer.Prependable, payloadS // WritePacket writes a packet to the given destination address and protocol. func (e *endpoint) WritePacket(r *stack.Route, gso *stack.GSO, params stack.NetworkHeaderParams, loop stack.PacketLooping, pkt tcpip.PacketBuffer) *tcpip.Error { ip := e.addIPHeader(r, &pkt.Header, pkt.Data.Size(), params) + pkt.NetworkHeader = buffer.View(ip) if loop&stack.PacketLoop != 0 { + // The inbound path expects the network header to still be in + // the PacketBuffer's Data field. views := make([]buffer.View, 1, 1+len(pkt.Data.Views())) views[0] = pkt.Header.View() views = append(views, pkt.Data.Views()...) loopedR := r.MakeLoopedRoute() e.HandlePacket(&loopedR, tcpip.PacketBuffer{ - Data: buffer.NewVectorisedView(len(views[0])+pkt.Data.Size(), views), - NetworkHeader: buffer.View(ip), + Data: buffer.NewVectorisedView(len(views[0])+pkt.Data.Size(), views), }) loopedR.Release() @@ -148,7 +150,8 @@ func (e *endpoint) WritePackets(r *stack.Route, gso *stack.GSO, pkts []tcpip.Pac for i := range pkts { hdr := &pkts[i].Header size := pkts[i].DataSize - e.addIPHeader(r, hdr, size, params) + ip := e.addIPHeader(r, hdr, size, params) + pkts[i].NetworkHeader = buffer.View(ip) } n, err := e.linkEP.WritePackets(r, gso, pkts, ProtocolNumber) |