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authorBhasker Hariharan <bhaskerh@google.com>2018-09-04 14:30:15 -0700
committerShentubot <shentubot@google.com>2018-09-04 14:31:52 -0700
commit2cff07381a911ad52cf9df70d702f39217e9539e (patch)
tree6ae3c3dd38e3c14302e0d053faf2b0106d66c467 /pkg/tcpip/link
parent9ae4e28f75979905a6396962a232e217323499f9 (diff)
Automated rollback of changelist 211156845
PiperOrigin-RevId: 211525182 Change-Id: I462c20328955c77ecc7bfd8ee803ac91f15858e6
Diffstat (limited to 'pkg/tcpip/link')
-rw-r--r--pkg/tcpip/link/channel/channel.go6
-rw-r--r--pkg/tcpip/link/sniffer/sniffer.go31
2 files changed, 37 insertions, 0 deletions
diff --git a/pkg/tcpip/link/channel/channel.go b/pkg/tcpip/link/channel/channel.go
index 9d69f1d45..dd3fe7c87 100644
--- a/pkg/tcpip/link/channel/channel.go
+++ b/pkg/tcpip/link/channel/channel.go
@@ -71,6 +71,12 @@ func (e *Endpoint) Inject(protocol tcpip.NetworkProtocolNumber, vv *buffer.Vecto
e.dispatcher.DeliverNetworkPacket(e, "", protocol, &uu)
}
+// InjectLinkAddr injects an inbound packet with a remote link address.
+func (e *Endpoint) InjectLinkAddr(protocol tcpip.NetworkProtocolNumber, remoteLinkAddr tcpip.LinkAddress, vv *buffer.VectorisedView) {
+ uu := vv.Clone(nil)
+ e.dispatcher.DeliverNetworkPacket(e, remoteLinkAddr, protocol, &uu)
+}
+
// Attach saves the stack network-layer dispatcher for use later when packets
// are injected.
func (e *Endpoint) Attach(dispatcher stack.NetworkDispatcher) {
diff --git a/pkg/tcpip/link/sniffer/sniffer.go b/pkg/tcpip/link/sniffer/sniffer.go
index 414a7edb4..1e302f557 100644
--- a/pkg/tcpip/link/sniffer/sniffer.go
+++ b/pkg/tcpip/link/sniffer/sniffer.go
@@ -303,6 +303,37 @@ func logPacket(prefix string, protocol tcpip.NetworkProtocolNumber, b, plb []byt
log.Infof("%s %s %v -> %v %s len:%d id:%04x code:%d", prefix, transName, src, dst, icmpType, size, id, icmp.Code())
return
+ case header.ICMPv6ProtocolNumber:
+ transName = "icmp"
+ icmp := header.ICMPv6(b)
+ icmpType := "unknown"
+ switch icmp.Type() {
+ case header.ICMPv6DstUnreachable:
+ icmpType = "destination unreachable"
+ case header.ICMPv6PacketTooBig:
+ icmpType = "packet too big"
+ case header.ICMPv6TimeExceeded:
+ icmpType = "time exceeded"
+ case header.ICMPv6ParamProblem:
+ icmpType = "param problem"
+ case header.ICMPv6EchoRequest:
+ icmpType = "echo request"
+ case header.ICMPv6EchoReply:
+ icmpType = "echo reply"
+ case header.ICMPv6RouterSolicit:
+ icmpType = "router solicit"
+ case header.ICMPv6RouterAdvert:
+ icmpType = "router advert"
+ case header.ICMPv6NeighborSolicit:
+ icmpType = "neighbor solicit"
+ case header.ICMPv6NeighborAdvert:
+ icmpType = "neighbor advert"
+ case header.ICMPv6RedirectMsg:
+ icmpType = "redirect message"
+ }
+ log.Infof("%s %s %v -> %v %s len:%d id:%04x code:%d", prefix, transName, src, dst, icmpType, size, id, icmp.Code())
+ return
+
case header.UDPProtocolNumber:
transName = "udp"
udp := header.UDP(b)