diff options
Diffstat (limited to 'drivers/infiniband/hw/mlx4/main.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx4/main.c | 21 |
1 files changed, 8 insertions, 13 deletions
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index ee1c577238f7..3530c41fcd1f 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -140,7 +140,7 @@ static int mlx4_ib_query_device(struct ib_device *ibdev, props->max_mr_size = ~0ull; props->page_size_cap = dev->dev->caps.page_size_cap; props->max_qp = dev->dev->caps.num_qps - dev->dev->caps.reserved_qps; - props->max_qp_wr = dev->dev->caps.max_wqes; + props->max_qp_wr = dev->dev->caps.max_wqes - MLX4_IB_SQ_MAX_SPARE; props->max_sge = min(dev->dev->caps.max_sq_sg, dev->dev->caps.max_rq_sg); props->max_cq = dev->dev->caps.num_cqs - dev->dev->caps.reserved_cqs; @@ -1084,12 +1084,9 @@ static void mlx4_ib_alloc_eqs(struct mlx4_dev *dev, struct mlx4_ib_dev *ibdev) int total_eqs = 0; int i, j, eq; - /* Init eq table */ - ibdev->eq_table = NULL; - ibdev->eq_added = 0; - - /* Legacy mode? */ - if (dev->caps.comp_pool == 0) + /* Legacy mode or comp_pool is not large enough */ + if (dev->caps.comp_pool == 0 || + dev->caps.num_ports > dev->caps.comp_pool) return; eq_per_port = rounddown_pow_of_two(dev->caps.comp_pool/ @@ -1135,7 +1132,10 @@ static void mlx4_ib_alloc_eqs(struct mlx4_dev *dev, struct mlx4_ib_dev *ibdev) static void mlx4_ib_free_eqs(struct mlx4_dev *dev, struct mlx4_ib_dev *ibdev) { int i; - int total_eqs; + + /* no additional eqs were added */ + if (!ibdev->eq_table) + return; /* Reset the advertised EQ number */ ibdev->ib_dev.num_comp_vectors = dev->caps.num_comp_vectors; @@ -1148,12 +1148,7 @@ static void mlx4_ib_free_eqs(struct mlx4_dev *dev, struct mlx4_ib_dev *ibdev) mlx4_release_eq(dev, ibdev->eq_table[i]); } - total_eqs = dev->caps.num_comp_vectors + ibdev->eq_added; - memset(ibdev->eq_table, 0, total_eqs * sizeof(int)); kfree(ibdev->eq_table); - - ibdev->eq_table = NULL; - ibdev->eq_added = 0; } static void *mlx4_ib_add(struct mlx4_dev *dev) |