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author | Yevgeny Kliteynik <kliteyn@mellanox.com> | 2017-11-08 18:07:17 +0200 |
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committer | Saeed Mahameed <saeedm@mellanox.com> | 2018-05-29 17:27:50 -0700 |
commit | 90275d809ab982a7fdc1f2ed5b0fe3e4c55a5257 (patch) | |
tree | b7ce3c1d61055eac08af95d106f2cce4375d2e28 /drivers/net/ethernet/mellanox/mlx5/core | |
parent | 98c90f6f103aa72d2ad587b76105834b2b78d031 (diff) | |
download | op-kernel-dev-90275d809ab982a7fdc1f2ed5b0fe3e4c55a5257.zip op-kernel-dev-90275d809ab982a7fdc1f2ed5b0fe3e4c55a5257.tar.gz |
net/mlx5: FPGA, Abort FPGA init if the device reports no QP capability
In the case that the reported max number of QPs capability
equals to zero, abort FPGA init.
Signed-off-by: Yevgeny Kliteynik <kliteyn@mellanox.com>
Signed-off-by: Adi Nissim <adin@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/fpga/core.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fpga/core.c b/drivers/net/ethernet/mellanox/mlx5/core/fpga/core.c index 02319f7..26caa04 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fpga/core.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fpga/core.c @@ -170,6 +170,12 @@ int mlx5_fpga_device_start(struct mlx5_core_dev *mdev) MLX5_CAP_FPGA(fdev->mdev, sandbox_product_version)); max_num_qps = MLX5_CAP_FPGA(mdev, shell_caps.max_num_qps); + if (!max_num_qps) { + mlx5_fpga_err(fdev, "FPGA reports 0 QPs in SHELL_CAPS\n"); + err = -ENOTSUPP; + goto out; + } + err = mlx5_core_reserve_gids(mdev, max_num_qps); if (err) goto out; |