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[net-next,08/14] mlxsw: spectrum_buffers: Forbid changing multicast TCs' attributes

Message ID 20190422120803.14435-9-idosch@mellanox.com
State Accepted
Delegated to: David Miller
Headers show
Series mlxsw: Shared buffer improvements | expand

Commit Message

Ido Schimmel April 22, 2019, 12:08 p.m. UTC
Commit e83c045e53d7 ("mlxsw: spectrum_buffers: Configure MC pool")
configured the threshold of the multicast TCs as infinite so that the
admission of multicast packets is only depended on per-switch priority
threshold.

Forbid the user from changing the thresholds of these multicast TCs and
their binding to a different pool.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
---
 drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c
index 3c08816183bc..6e2b701e7036 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c
@@ -503,6 +503,8 @@  static int mlxsw_sp_sb_prs_init(struct mlxsw_sp *mlxsw_sp,
 		.min_buff = _min_buff,			\
 		.max_buff = _max_buff,			\
 		.pool_index = MLXSW_SP_SB_POOL_EGR_MC,	\
+		.freeze_pool = true,			\
+		.freeze_thresh = true,			\
 	}
 
 static const struct mlxsw_sp_sb_cm mlxsw_sp1_sb_cms_ingress[] = {