diff options
author | Noa Osherovich <noaos@mellanox.com> | 2016-12-28 14:58:32 +0200 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-01-15 13:41:34 +0100 |
commit | 18d971f84c849fff0c51b95b6661b1fd836d8711 (patch) | |
tree | 092d1daf10ab80d300accb9b3a480a9ecdd78fbb /drivers/net/ethernet | |
parent | 3f2847608cb9fc710bc43a9715334d3f32a808c3 (diff) |
net/mlx5: Check FW limitations on log_max_qp before setting it
[ Upstream commit 883371c453b937f9eb581fb4915210865982736f ]
When setting HCA capabilities, set log_max_qp to be the minimum
between the selected profile's value and the HCA limitation.
Fixes: 938fe83c8dcb ('net/mlx5_core: New device capabilities...')
Signed-off-by: Noa Osherovich <noaos@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net/ethernet')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/main.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index 6cf6d93d8831..552cd60b1494 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -432,6 +432,13 @@ static int handle_hca_cap(struct mlx5_core_dev *dev) MLX5_SET(cmd_hca_cap, set_hca_cap, pkey_table_size, to_fw_pkey_sz(128)); + /* Check log_max_qp from HCA caps to set in current profile */ + if (MLX5_CAP_GEN_MAX(dev, log_max_qp) < profile[prof_sel].log_max_qp) { + mlx5_core_warn(dev, "log_max_qp value in current profile is %d, changing it to HCA capability limit (%d)\n", + profile[prof_sel].log_max_qp, + MLX5_CAP_GEN_MAX(dev, log_max_qp)); + profile[prof_sel].log_max_qp = MLX5_CAP_GEN_MAX(dev, log_max_qp); + } if (prof->mask & MLX5_PROF_MASK_QP_SIZE) MLX5_SET(cmd_hca_cap, set_hca_cap, log_max_qp, prof->log_max_qp); |