diff options
| author | Eyal Soha <eyalsoha@google.com> | 2020-03-31 19:51:52 -0700 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-03-31 19:53:11 -0700 |
| commit | d25036ad17a3ada7fa6ce9900f20e246e07acd2f (patch) | |
| tree | f7fa1ea3c6023cdaefd4bd08388a5ea72bce992a /pkg/tcpip | |
| parent | 639d94f9f71b43e86320a6e9157c932f5d7936a7 (diff) | |
Test receiving multicast packets over UDP
PiperOrigin-RevId: 304098611
Diffstat (limited to 'pkg/tcpip')
| -rw-r--r-- | pkg/tcpip/header/udp.go | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/pkg/tcpip/header/udp.go b/pkg/tcpip/header/udp.go index 74412c894..9339d637f 100644 --- a/pkg/tcpip/header/udp.go +++ b/pkg/tcpip/header/udp.go @@ -99,6 +99,11 @@ func (b UDP) SetChecksum(checksum uint16) { binary.BigEndian.PutUint16(b[udpChecksum:], checksum) } +// SetLength sets the "length" field of the udp header. +func (b UDP) SetLength(length uint16) { + binary.BigEndian.PutUint16(b[udpLength:], length) +} + // CalculateChecksum calculates the checksum of the udp packet, given the // checksum of the network-layer pseudo-header and the checksum of the payload. func (b UDP) CalculateChecksum(partialChecksum uint16) uint16 { |