From 9157a91a4eca7e0811edb20952e9f22ea2c3f13e Mon Sep 17 00:00:00 2001 From: Mithun Iyer Date: Thu, 20 May 2021 19:12:27 -0700 Subject: Add protocol state to TCPINFO Add missing protocol state to TCPINFO struct and update packetimpact. This re-arranges the TCP state definitions to align with Linux. Fixes #478 PiperOrigin-RevId: 374996751 --- pkg/sentry/socket/netstack/netstack.go | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) (limited to 'pkg/sentry/socket/netstack/netstack.go') diff --git a/pkg/sentry/socket/netstack/netstack.go b/pkg/sentry/socket/netstack/netstack.go index 335284f50..03a383cf4 100644 --- a/pkg/sentry/socket/netstack/netstack.go +++ b/pkg/sentry/socket/netstack/netstack.go @@ -1127,7 +1127,14 @@ func getSockOptTCP(t *kernel.Task, s socket.SocketOps, ep commonEndpoint, name, // TODO(b/64800844): Translate fields once they are added to // tcpip.TCPInfoOption. - info := linux.TCPInfo{} + info := linux.TCPInfo{ + State: uint8(v.State), + RTO: uint32(v.RTO / time.Microsecond), + RTT: uint32(v.RTT / time.Microsecond), + RTTVar: uint32(v.RTTVar / time.Microsecond), + SndSsthresh: v.SndSsthresh, + SndCwnd: v.SndCwnd, + } switch v.CcState { case tcpip.RTORecovery: info.CaState = linux.TCP_CA_Loss @@ -1138,11 +1145,6 @@ func getSockOptTCP(t *kernel.Task, s socket.SocketOps, ep commonEndpoint, name, case tcpip.Open: info.CaState = linux.TCP_CA_Open } - info.RTO = uint32(v.RTO / time.Microsecond) - info.RTT = uint32(v.RTT / time.Microsecond) - info.RTTVar = uint32(v.RTTVar / time.Microsecond) - info.SndSsthresh = v.SndSsthresh - info.SndCwnd = v.SndCwnd // In netstack reorderSeen is updated only when RACK is enabled. // We only track whether the reordering is seen, which is -- cgit v1.2.3