mlxsw: Handle MTU values

Petr Machata linux-kselftest netdev 1 version Jun 13, 2024 Applied

Status from this message: This series was applied to netdev/net-next.git (main)

Get series with b4

b4 am [email protected]

Versions newest first

v1 Latest Jun 13, 20245 patches 0 repliesApplied 5/5

Patches in v1 All 5 applied

#	Subject and files	Size	Replies	Applied
1/5	mlxsw: port: Edit maximum MTU value`drivers/net/ethernet/mellanox/mlxsw/port.h`	+1 -1	0 replies	Applied
2/5	mlxsw: Adjust MTU value to hardware check`drivers/net/ethernet/mellanox/mlxsw/port.h` `drivers/net/ethernet/mellanox/mlxsw/spectrum.c`	+2 -1	0 replies	Applied
3/5	mlxsw: spectrum: Set more accurate values for netdevice min/max MTU`drivers/net/ethernet/mellanox/mlxsw/spectrum.c`	+2 -4	0 replies	Applied
4/5	mlxsw: Use the same maximum MTU value throughout the driver`drivers/net/ethernet/mellanox/mlxsw/spectrum.c` `drivers/net/ethernet/mellanox/mlxsw/spectrum.h` `drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c`	+6 ~~-26~~	0 replies	Applied
5/5	selftests: forwarding: Add test for minimum and maximum MTU`tools/testing/selftests/net/forwarding/Makefile` `tools/testing/selftests/net/forwarding/min_max_mtu.sh`	+284 -0	0 replies	Applied

Reviews trailers per patch

All 5 patches have a Reviewed-by or Acked-by.

Patch	Ido Schimmel	Petr Machata
1/5	R-b
2/5	R-b
3/5	R-b
4/5	R-b
5/5		R-b

Trailers given in replies are filled; those carried in the patches from earlier versions are outlined with dashes.

Read the v1 thread

Cover letter [PATCH net-next 0/5] mlxsw: Handle MTU values

Amit Cohen writes:

The driver uses two values for maximum MTU, but neither is accurate. In addition, the value which is configured to hardware is not calculated correctly. Handle these issues and expose accurate values for minimum and maximum MTU per netdevice.

Add test cases to check that the exposed values are really supported.

Patch set overview:
Patches #1-#3 set the driver to use accurate values for MTU Patch #4 aligns the driver to always use the same value for maximum MTU Patch #5 adds a test

Amit Cohen (5):
mlxsw: port: Edit maximum MTU value
mlxsw: Adjust MTU value to hardware check
mlxsw: spectrum: Set more accurate values for netdevice min/max MTU
mlxsw: Use the same maximum MTU value throughout the driver
selftests: forwarding: Add test for minimum and maximum MTU

 drivers/net/ethernet/mellanox/mlxsw/port.h    |   3 +-
 .../net/ethernet/mellanox/mlxsw/spectrum.c    |  31 +-
 .../net/ethernet/mellanox/mlxsw/spectrum.h    |   1 -
 .../mellanox/mlxsw/spectrum_buffers.c         |   8 +-
 .../testing/selftests/net/forwarding/Makefile |   1 +
 .../selftests/net/forwarding/min_max_mtu.sh   | 283 ++++++++++++++++++
 6 files changed, 295 insertions(+), 32 deletions(-)
 create mode 100755 tools/testing/selftests/net/forwarding/min_max_mtu.sh

Signature · 1 line

2.45.0

Read the cover letter in its thread