[PATCH net-next 0/2] netdevsim: add link speed support

From: Hangbin Liu

Date: Sun Aug 30 2026 - 23:29:41 EST


Add link speed support for netdevsim, so users could test different‑speed
NICs. Currently, I am still using max speed 5000. Maybe we should increase
the max speed in the future.

The 2nd patch adds a simple selftest for the speed feature.

Signed-off-by: Hangbin Liu <liuhangbin@xxxxxxxxxx>
---
Hangbin Liu (2):
netdevsim: add link speed support
selftests: netdevsim: add speed testing

drivers/net/netdevsim/dev.c | 6 ----
drivers/net/netdevsim/ethtool.c | 30 ++++++++++++++++++++
drivers/net/netdevsim/netdevsim.h | 8 ++++++
.../selftests/drivers/net/netdevsim/Makefile | 1 +
.../drivers/net/netdevsim/ethtool-speed.sh | 33 ++++++++++++++++++++++
5 files changed, 72 insertions(+), 6 deletions(-)
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base-commit: 1bb784eb6e38fd73143f021608e4ef3095d0c0d7
change-id: 20260821-nsim_speed-d61e5c415b02

Best regards,
--
Hangbin Liu <liuhangbin@xxxxxxxxxx>