tools/testing/selftests/net/packetdrill/tcp_close_close-local-close-then-remote-fin.pkt

Source file repositories/reference/linux-study-clean/tools/testing/selftests/net/packetdrill/tcp_close_close-local-close-then-remote-fin.pkt

File Facts

System
Linux kernel
Corpus path
tools/testing/selftests/net/packetdrill/tcp_close_close-local-close-then-remote-fin.pkt
Extension
.pkt
Size
697 bytes
Lines
24
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: tools
Status
atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0
// Test basic connection teardown where local process closes first:
// the local process calls close() first, so we send a FIN, and receive an ACK.
// Then we receive a FIN and ACK it.

`./defaults.sh`

    0 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3
 +.01...0.011 connect(3, ..., ...) = 0
   +0 >  S 0:0(0) <...>
   +0 < S. 0:0(0) ack 1 win 32768 <mss 1000,nop,wscale 6,nop,nop,sackOK>
   +0 >  . 1:1(0) ack 1

   +0 write(3, ..., 1000) = 1000
   +0 >  P. 1:1001(1000) ack 1
   +0 < . 1:1(0) ack 1001 win 257

   +0 close(3) = 0
   +0 >  F. 1001:1001(0) ack 1
   +0 < . 1:1(0) ack 1002 win 257

   +0 < F. 1:1(0) ack 1002 win 257
   +0 >  . 1002:1002(0) ack 2

Annotation

Implementation Notes