1// SPDX-License-Identifier: GPL-2.0 2// Test that we send RST packet with correct TSval 3--tcp_ts_tick_usecs=1000 4 5`./defaults.sh` 6 7// Create a socket. 8 0 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3 9 +0 setsockopt(3, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 0 10 11 +0 bind(3, ..., ...) = 0 12 +0 listen(3, 1) = 0 13 14// Establish a connection. 15 +0 < S 0:0(0) win 20000 <mss 1000,sackOK,TS val 100 ecr 0> 16 +0 > S. 0:0(0) ack 1 <mss 1460,sackOK,TS val 100 ecr 100> 17 +.1 < . 1:1(0) ack 1 win 20000 <nop,nop,TS val 200 ecr 100> 18 +0 accept(3, ..., ...) = 4 19 20 +0 < . 1:1001(1000) ack 1 win 20000 <nop,nop,TS val 201 ecr 100> 21 +0 > . 1:1(0) ack 1001 <nop,nop,TS val 200 ecr 201> 22 23 +1 close(4) = 0 24// Check that RST TSval is updated properly, one second has passed since last sent packet. 25 +0 > R. 1:1(0) ack 1001 <nop,nop,TS val 1200 ecr 201> 26