net/mlx5: Allocate smaller size tables for ft offload (891b8f33) · Commits · 戴 / test

Instead of giving ft tables one of the largest tables available - 4M, give it a more reasonable size - 64k. Especially since it will always be created as a miss hook in the following patch. Signed-off-by:

Paul Blakey <paulb@mellanox.com> Reviewed-by:

Mark Bloch <markb@mellanox.com> Signed-off-by:

Saeed Mahameed <saeedm@mellanox.com>

drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads_chains.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -34,6 +34,7 @@ static const unsigned int ESW_POOLS[] = { 4 * 1024 * 1024,
		1 * 1024 * 1024,
		64 * 1024,
		128 };
		#define ESW_FT_TBL_SZ (64 * 1024)

		struct mlx5_esw_chains_priv {
		struct rhashtable chains_ht;
		@@ -201,7 +202,9 @@ mlx5_esw_chains_create_fdb_table(struct mlx5_eswitch *esw,
		ft_attr.flags \|= (MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT \|
		MLX5_FLOW_TABLE_TUNNEL_EN_DECAP);

		sz = mlx5_esw_chains_get_avail_sz_from_pool(esw, POOL_NEXT_SIZE);
		sz = (chain == mlx5_esw_chains_get_ft_chain(esw)) ?
		mlx5_esw_chains_get_avail_sz_from_pool(esw, ESW_FT_TBL_SZ) :
		mlx5_esw_chains_get_avail_sz_from_pool(esw, POOL_NEXT_SIZE);
		if (!sz)
		return ERR_PTR(-ENOSPC);
		ft_attr.max_fte = sz;

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