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Commit 9fd7a1e1 authored by Marcel Apfelbaum's avatar Marcel Apfelbaum Committed by David S. Miller
Browse files

mlx4_core: Fix mtt profile issue 



Num mtts from profile is really the number of mtt segments.
Thus, in make profile, to get the proper number of MTT entries,
must multiply num_mtts by mtts per segment.

Signed-off-by: default avatarMarcel Apfelbaum <marcela@dev.mellanox.co.il>
Reviewed-by: default avatarJack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent eb41049f

drivers/net/ethernet/mellanox/mlx4/main.c

+1 −1
Original line number Diff line number Diff line
@@ -108,7 +108,7 @@ static struct mlx4_profile default_profile = { 
	.num_cq		= 1 << 16,

	.num_mcg	= 1 << 13,

	.num_mpt	= 1 << 19,

	.num_mtt	= 1 << 20,

	.num_mtt	= 1 << 20, /* It is really num mtt segements */

};



static int log_num_mac = 7;

drivers/net/ethernet/mellanox/mlx4/profile.c

+1 −1
Original line number Diff line number Diff line
@@ -110,7 +110,7 @@ u64 mlx4_make_profile(struct mlx4_dev *dev, 
	profile[MLX4_RES_EQ].num      = min_t(unsigned, dev_cap->max_eqs, MAX_MSIX);

	profile[MLX4_RES_DMPT].num    = request->num_mpt;

	profile[MLX4_RES_CMPT].num    = MLX4_NUM_CMPTS;

	profile[MLX4_RES_MTT].num     = request->num_mtt;

	profile[MLX4_RES_MTT].num     = request->num_mtt * (1 << log_mtts_per_seg);

	profile[MLX4_RES_MCG].num     = request->num_mcg;



	for (i = 0; i < MLX4_RES_NUM; ++i) {