[PATCH v2 0/3] selftests/net: deflake GRO tests and fix return value and output

From: Kevin Krakauer
Date: Wed Feb 26 2025 - 14:28:27 EST


The GRO selftests can flake and have some confusing behavior. These
changes make the output and return value of GRO behave as expected, then
deflake the tests.

v2:
- Split into multiple commits.
- Reduced napi_defer_hard_irqs to 1.
- Reduced gro_flush_timeout to 100us.
- Fixed comment that wasn't updated.

v1: https://lore.kernel.org/netdev/20250218164555.1955400-1-krakauer@xxxxxxxxxx/

Kevin Krakauer (3):
selftests/net: have `gro.sh -t` return a correct exit code
selftests/net: only print passing message in GRO tests when tests pass
selftests/net: deflake GRO tests

tools/testing/selftests/net/gro.c | 8 +++++---
tools/testing/selftests/net/gro.sh | 7 ++++---
tools/testing/selftests/net/setup_veth.sh | 3 ++-
3 files changed, 11 insertions(+), 7 deletions(-)

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2.48.1.658.g4767266eb4-goog