diff options
| author | Bhasker Hariharan <bhaskerh@google.com> | 2018-11-09 14:37:42 -0800 |
|---|---|---|
| committer | Shentubot <shentubot@google.com> | 2018-11-09 14:38:46 -0800 |
| commit | 33089561b1d53dada959a312ab69574cd6635b4b (patch) | |
| tree | 7b497da71c6c238eafe4faf49bb2a9bbb0b4cddf /pkg/tcpip/stack | |
| parent | 93e88760b0d0c9c6656f7773f68540b1853d169b (diff) | |
Add an implementation of a SACK scoreboard as per RFC6675.
PiperOrigin-RevId: 220866996
Change-Id: I89d48215df57c00d6a6ec512fc18712a2ea9080b
Diffstat (limited to 'pkg/tcpip/stack')
| -rw-r--r-- | pkg/tcpip/stack/stack.go | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/pkg/tcpip/stack/stack.go b/pkg/tcpip/stack/stack.go index d4da980a9..7af343fba 100644 --- a/pkg/tcpip/stack/stack.go +++ b/pkg/tcpip/stack/stack.go @@ -200,9 +200,17 @@ type TCPSenderState struct { // TCPSACKInfo holds TCP SACK related information for a given TCP endpoint. type TCPSACKInfo struct { - // Blocks is the list of SACK block currently received by the - // TCP endpoint. + // Blocks is the list of SACK Blocks that identify the out of order segments + // held by a given TCP endpoint. Blocks []header.SACKBlock + + // ReceivedBlocks are the SACK blocks received by this endpoint + // from the peer endpoint. + ReceivedBlocks []header.SACKBlock + + // MaxSACKED is the highest sequence number that has been SACKED + // by the peer. + MaxSACKED seqnum.Value } // TCPEndpointState is a copy of the internal state of a TCP endpoint. |