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authorNayana Bidari <nybidari@google.com>2020-12-16 12:17:02 -0800
committergVisor bot <gvisor-bot@google.com>2020-12-16 12:19:21 -0800
commit0c92b3782ae641b59d512a922f766721a34d7e9e (patch)
treef1d9b73b267b54a9dc14693d6a2956e1b72a3ba7 /pkg/sentry/syscalls/linux/sys_pipe.go
parent7da25e6dc3095378ecaf292759ef84b656a306b8 (diff)
Add support to count the number of packets SACKed.
sacked_out is required in RACK to check the number of duplicate acknowledgements during updating the reorder window. If there is no reordering and the value for sacked_out is greater than the classic threshold value 3, then reorder window is set to zero. It is calculated by counting the number of segments sacked in the ACK and is reduced when a cumulative ACK is received which covers the SACK blocks. This value is set to zero when the connection enters recovery. PiperOrigin-RevId: 347872246
Diffstat (limited to 'pkg/sentry/syscalls/linux/sys_pipe.go')
0 files changed, 0 insertions, 0 deletions