tcp_tcp_info_tcp-info-last_data_recv.pkt

 1// SPDX-License-Identifier: GPL-2.0
 2// Test tcpi_last_data_recv for active session
 3`./defaults.sh`
 4
 5// Create a socket and set it to non-blocking.
 6+0    socket(..., SOCK_STREAM, IPPROTO_TCP) = 3
 7+0    fcntl(3, F_GETFL) = 0x2 (flags O_RDWR)
 8+0    fcntl(3, F_SETFL, O_RDWR|O_NONBLOCK) = 0
 9
10+0    connect(3, ..., ...) = -1 EINPROGRESS (Operation now in progress)
11+0    > S 0:0(0) <mss 1460,sackOK,TS val 100 ecr 0,nop,wscale 8>
12+.030 < S. 0:0(0) ack 1 win 10000 <mss 1000,sackOK,nop,nop,nop,wscale 8>
13+0    > . 1:1(0) ack 1
14
15+1 %{ assert 990 <= tcpi_last_data_recv <= 1010, tcpi_last_data_recv }%
16
17+0    < . 1:1001(1000) ack 1 win 300
18+0    > . 1:1(0) ack 1001
19
20+0 %{ assert tcpi_last_data_recv <= 10, tcpi_last_data_recv }%