Greetings:
Welcome to v2.
This series fixes netdevsim to correctly set the NAPI ID on the skb. This is helpful for writing tests around features that use SO_INCOMING_NAPI_ID.
In addition to the netdevsim fix in patch 1, patches 2-4 do some self test refactoring and add a test for NAPI IDs. The test itself (patch 4) introduces a C helper because apparently python doesn't have socket.SO_INCOMING_NAPI_ID.
Thanks, Joe
v2: - No longer an RFC - Minor whitespace change in patch 1 (no functional change). - Patches 2-4 new in v2
rfcv1: https://lore.kernel.org/netdev/20250329000030.39543-1-jdamato@fastly.com/
Joe Damato (4): netdevsim: Mark NAPI ID on skb in nsim_rcv selftests: drv-net: Factor out ksft C helpers selftests: net: Allow custom net ns paths selftests: drv-net: Test that NAPI ID is non-zero
drivers/net/netdevsim/netdev.c | 2 + .../testing/selftests/drivers/net/.gitignore | 1 + tools/testing/selftests/drivers/net/Makefile | 6 +- tools/testing/selftests/drivers/net/ksft.h | 56 +++++++++++++ .../testing/selftests/drivers/net/napi_id.py | 24 ++++++ .../selftests/drivers/net/napi_id_helper.c | 83 +++++++++++++++++++ .../selftests/drivers/net/xdp_helper.c | 49 +---------- tools/testing/selftests/net/lib/py/netns.py | 4 +- 8 files changed, 175 insertions(+), 50 deletions(-) create mode 100644 tools/testing/selftests/drivers/net/ksft.h create mode 100755 tools/testing/selftests/drivers/net/napi_id.py create mode 100644 tools/testing/selftests/drivers/net/napi_id_helper.c
base-commit: bbfc077d457272bcea4f14b3a28247ade99b196d