diff options
| author | Julian Elischer <jrelis@google.com> | 2020-09-23 02:26:50 -0700 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-09-23 02:28:43 -0700 |
| commit | 99decaadd6da0df2d8ec70ddea9d754c9d71a584 (patch) | |
| tree | cd6cb0b770ec39b32899c993903dfb21c7e50824 /pkg/tcpip/network/arp | |
| parent | b54dbdfdc6b6cbdb6f45cd2abd9efb1f2f821a20 (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/network/arp')
| -rw-r--r-- | pkg/tcpip/network/arp/arp.go | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/pkg/tcpip/network/arp/arp.go b/pkg/tcpip/network/arp/arp.go index cb9225bd7..81e286e80 100644 --- a/pkg/tcpip/network/arp/arp.go +++ b/pkg/tcpip/network/arp/arp.go @@ -238,6 +238,12 @@ func (*protocol) Parse(pkt *stack.PacketBuffer) (proto tcpip.TransportProtocolNu return 0, false, parse.ARP(pkt) } +// ReturnError implements stack.TransportProtocol.ReturnError. +func (*protocol) ReturnError(*stack.Route, tcpip.ICMPReason, *stack.PacketBuffer) *tcpip.Error { + // In ARP, there is no such response so do nothing. + return nil +} + // NewProtocol returns an ARP network protocol. func NewProtocol() stack.NetworkProtocol { return &protocol{} |