diff options
| author | Andrei Vagin <avagin@google.com> | 2019-06-05 22:50:48 -0700 |
|---|---|---|
| committer | Shentubot <shentubot@google.com> | 2019-06-05 22:51:53 -0700 |
| commit | 79f7cb6c1c4c16e3aca44d7fdc8e9f2487a605cf (patch) | |
| tree | 440cb45a9b1c46e3683c58de99cb4e8fa2186acf /pkg/tcpip | |
| parent | 57772db2e7351511de422baeecf807785709ee5d (diff) | |
netstack/sniffer: log GSO attributes
PiperOrigin-RevId: 251788534
Diffstat (limited to 'pkg/tcpip')
| -rw-r--r-- | pkg/tcpip/link/sniffer/sniffer.go | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/pkg/tcpip/link/sniffer/sniffer.go b/pkg/tcpip/link/sniffer/sniffer.go index fccabd554..98581e50e 100644 --- a/pkg/tcpip/link/sniffer/sniffer.go +++ b/pkg/tcpip/link/sniffer/sniffer.go @@ -118,7 +118,7 @@ func NewWithFile(lower tcpip.LinkEndpointID, file *os.File, snapLen uint32) (tcp // logs the packet before forwarding to the actual dispatcher. func (e *endpoint) DeliverNetworkPacket(linkEP stack.LinkEndpoint, remote, local tcpip.LinkAddress, protocol tcpip.NetworkProtocolNumber, vv buffer.VectorisedView) { if atomic.LoadUint32(&LogPackets) == 1 && e.file == nil { - logPacket("recv", protocol, vv.First()) + logPacket("recv", protocol, vv.First(), nil) } if e.file != nil && atomic.LoadUint32(&LogPacketsToFile) == 1 { vs := vv.Views() @@ -198,7 +198,7 @@ func (e *endpoint) GSOMaxSize() uint32 { // the request to the lower endpoint. func (e *endpoint) WritePacket(r *stack.Route, gso *stack.GSO, hdr buffer.Prependable, payload buffer.VectorisedView, protocol tcpip.NetworkProtocolNumber) *tcpip.Error { if atomic.LoadUint32(&LogPackets) == 1 && e.file == nil { - logPacket("send", protocol, hdr.View()) + logPacket("send", protocol, hdr.View(), gso) } if e.file != nil && atomic.LoadUint32(&LogPacketsToFile) == 1 { hdrBuf := hdr.View() @@ -240,7 +240,7 @@ func (e *endpoint) WritePacket(r *stack.Route, gso *stack.GSO, hdr buffer.Prepen return e.lower.WritePacket(r, gso, hdr, payload, protocol) } -func logPacket(prefix string, protocol tcpip.NetworkProtocolNumber, b buffer.View) { +func logPacket(prefix string, protocol tcpip.NetworkProtocolNumber, b buffer.View, gso *stack.GSO) { // Figure out the network layer info. var transProto uint8 src := tcpip.Address("unknown") @@ -404,5 +404,9 @@ func logPacket(prefix string, protocol tcpip.NetworkProtocolNumber, b buffer.Vie return } + if gso != nil { + details += fmt.Sprintf(" gso: %+v", gso) + } + log.Infof("%s %s %v:%v -> %v:%v len:%d id:%04x %s", prefix, transName, src, srcPort, dst, dstPort, size, id, details) } |