wenquan2015 opened a new pull request, #3794:
URL: https://github.com/apache/nuttx-apps/pull/3794
## Summary
Add cmocka-based test program for the SO_TIMESTAMPING socket option
under `testing/nettest/timestamp/`.
Covers all five test scenarios from the SO_TIMESTAMPING PR:
1. **SO_TIMESTAMPING setsockopt/getsockopt** — set TX flags, read back,
verify flag value
2. **SO_TIMESTAMP/SO_TIMESTAMPNS backward compatibility** — setsockopt
both options on PKT socket
3. **TX timestamping + MSG_ERRQUEUE** — send packet, recvmsg(MSG_ERRQUEUE)
returns SO_TIMESTAMPING cmsg with valid timestamp
4. **RX timestamp via SO_TIMESTAMP** — receive broadcast packet, cmsg
contains valid struct timeval timestamp
5. **TX timestamping with poll(POLLPRI)** — send packet, poll() returns
POLLPRI, then recvmsg(MSG_ERRQUEUE) returns valid TX
timestamp
Files added/modified:
- `testing/nettest/timestamp/test_timestamp.h` — header (state struct +
prototypes)
- `testing/nettest/timestamp/test_timestamp.c` — main entry, registers 5
cmocka tests
- `testing/nettest/timestamp/test_timestamp_common.c` — group
setup/teardown + all 5 test functions
- `testing/nettest/Kconfig` — add `TESTING_NET_TIMESTAMP` option
- `testing/nettest/Makefile` — add timestamp build rules
- `testing/nettest/CMakeLists.txt` — add timestamp cmake rules
## Impact
- New test program `cmocka_net_timestamp`, no impact on existing code
- Enable with `CONFIG_TESTING_NET_TIMESTAMP=y`
- Requires: `CONFIG_NET_TIMESTAMP`, `CONFIG_NET_PKT`,
`CONFIG_TESTING_CMOCKA`
## Testing
**Host:** Ubuntu 22.04 x86_64, GCC 13.1.0, cmake 3.23.0 + Ninja 1.10.1
**Target:** sim:dynconns (with `CONFIG_NET_TIMESTAMP=y`,
`CONFIG_NET_PKT=y`, `CONFIG_TESTING_CMOCKA=y`,
`CONFIG_TESTING_NET_TIMESTAMP=y`)
**Build:**
cmake -Bbuild -GNinja -DBOARD_CONFIG=sim:dynconns nuttx
enable ALLOW_MIT_COMPONENTS, LIBC_REGEX, TESTING_CMOCKA, TESTING_NET_TEST,
TESTING_NET_TIMESTAMP
ninja olddefconfig && ninja
**Runtime (TAP networking):**
nsh> cmocka_net_timestamp
[==========] timestamp_tests: Running 5 test(s).
[ RUN ] test_timestamp_setsockopt
[ OK ] test_timestamp_setsockopt
[ RUN ] test_timestamp_compat
[ OK ] test_timestamp_compat
[ RUN ] test_timestamp_tx
[ OK ] test_timestamp_tx
[ RUN ] test_timestamp_rx
[ OK ] test_timestamp_rx
[ RUN ] test_timestamp_poll
[ OK ] test_timestamp_poll
[==========] timestamp_tests: 5 test(s) run.
[ PASSED ] 5 test(s).
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