diff options
Diffstat (limited to 'tools/testing/selftests/net/packetdrill/tcp_accecn_delivered_maxack.pkt')
| -rw-r--r-- | tools/testing/selftests/net/packetdrill/tcp_accecn_delivered_maxack.pkt | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/tools/testing/selftests/net/packetdrill/tcp_accecn_delivered_maxack.pkt b/tools/testing/selftests/net/packetdrill/tcp_accecn_delivered_maxack.pkt new file mode 100644 index 000000000000..fd07bdc14f37 --- /dev/null +++ b/tools/testing/selftests/net/packetdrill/tcp_accecn_delivered_maxack.pkt @@ -0,0 +1,25 @@ +// Test a large ACK (at ACE field max delta) + +`./defaults.sh +sysctl -q net.ipv4.tcp_ecn=3 +sysctl -q net.ipv4.tcp_ecn_option=0 +` + + 0 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3 + +0 setsockopt(3, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 0 + +0 bind(3, ..., ...) = 0 + +0 listen(3, 1) = 0 + + +0 < SEWA 0:0(0) win 32792 <mss 1460,nop,nop,sackOK,nop,wscale 8> ++.002 > SW. 0:0(0) ack 1 <mss 1460,nop,nop,sackOK,nop,wscale 8> ++0.05 < [ect0] W. 1:1(0) ack 1 win 264 ++.002 accept(3, ..., ...) = 4 + ++0.01 %{ assert tcpi_delivered_ce == 0, tcpi_delivered_ce }% + ++0.01 write(4, ..., 14600) = 14600 ++.002 > [ect0] P.5 1:14601(14600) ack 1 + // Fake CE ++0.05 < [ect0] .4 1:1(0) ack 14601 win 264 + ++0.01 %{ assert tcpi_delivered_ce == 7, tcpi_delivered_ce }% |