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authorJulian Elischer <jrelis@google.com>2020-09-23 02:26:50 -0700
committergVisor bot <gvisor-bot@google.com>2020-09-23 02:28:43 -0700
commit99decaadd6da0df2d8ec70ddea9d754c9d71a584 (patch)
treecd6cb0b770ec39b32899c993903dfb21c7e50824 /pkg/tcpip/transport/tcp/connect.go
parentb54dbdfdc6b6cbdb6f45cd2abd9efb1f2f821a20 (diff)
Extract ICMP error sender from UDP
Store transport protocol number on packet buffers for use in ICMP error generation. Updates #2211. PiperOrigin-RevId: 333252762
Diffstat (limited to 'pkg/tcpip/transport/tcp/connect.go')
-rw-r--r--pkg/tcpip/transport/tcp/connect.go1
1 files changed, 1 insertions, 0 deletions
diff --git a/pkg/tcpip/transport/tcp/connect.go b/pkg/tcpip/transport/tcp/connect.go
index 09d53d158..881752371 100644
--- a/pkg/tcpip/transport/tcp/connect.go
+++ b/pkg/tcpip/transport/tcp/connect.go
@@ -747,6 +747,7 @@ func (e *endpoint) sendTCP(r *stack.Route, tf tcpFields, data buffer.VectorisedV
func buildTCPHdr(r *stack.Route, tf tcpFields, pkt *stack.PacketBuffer, gso *stack.GSO) {
optLen := len(tf.opts)
tcp := header.TCP(pkt.TransportHeader().Push(header.TCPMinimumSize + optLen))
+ pkt.TransportProtocolNumber = header.TCPProtocolNumber
tcp.Encode(&header.TCPFields{
SrcPort: tf.id.LocalPort,
DstPort: tf.id.RemotePort,