diff options
author | Andrei Vagin <avagin@google.com> | 2019-03-26 17:14:04 -0700 |
---|---|---|
committer | Shentubot <shentubot@google.com> | 2019-03-26 17:15:13 -0700 |
commit | 654e878abba174d8f7d588f38ecfd5a020bf581e (patch) | |
tree | 0119b118423522981de149a475b64829c3bed882 /pkg/tcpip/transport/udp/endpoint.go | |
parent | 06ec97a3f823f1f5d928fc9c2beb3a11c2c88487 (diff) |
netstack: Don't exclude length when a pseudo-header checksum is calculated
This is a preparation for GSO changes (cl/234508902).
RELNOTES[gofers]: Refactor checksum code to include length, which
it already did, but in a convoluted way. Should be a no-op.
PiperOrigin-RevId: 240460794
Change-Id: I537381bc670b5a9f5d70a87aa3eb7252e8f5ace2
Diffstat (limited to 'pkg/tcpip/transport/udp/endpoint.go')
-rw-r--r-- | pkg/tcpip/transport/udp/endpoint.go | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/pkg/tcpip/transport/udp/endpoint.go b/pkg/tcpip/transport/udp/endpoint.go index 82d7f80a3..b68ed8561 100644 --- a/pkg/tcpip/transport/udp/endpoint.go +++ b/pkg/tcpip/transport/udp/endpoint.go @@ -641,11 +641,11 @@ func sendUDP(r *stack.Route, data buffer.VectorisedView, localPort, remotePort u // Only calculate the checksum if offloading isn't supported. if r.Capabilities()&stack.CapabilityChecksumOffload == 0 { - xsum := r.PseudoHeaderChecksum(ProtocolNumber) + xsum := r.PseudoHeaderChecksum(ProtocolNumber, length) for _, v := range data.Views() { xsum = header.Checksum(v, xsum) } - udp.SetChecksum(^udp.CalculateChecksum(xsum, length)) + udp.SetChecksum(^udp.CalculateChecksum(xsum)) } // Track count of packets sent. |