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authorJack Morgenstein <jackm@dev.mellanox.co.il>2014-05-04 18:07:22 +0400
committerDavid S. Miller <davem@davemloft.net>2014-05-05 23:48:21 +0400
commit531d9014d5c870fdf493e626c4b4e448273cb616 (patch)
treeb239278ffe1ffbab63e3b115381393deaaf361db /drivers
parent9becd707841207652449a8dfd90fe9c476d88546 (diff)
downloadlinux-531d9014d5c870fdf493e626c4b4e448273cb616.tar.xz
net/mlx4_core: Adjust port number in qp_attach wrapper when detaching
When using single ported VFs and the VF is using port 2, we need to adjust the port accordingly (change it from 1 to 2). Fixes: 449fc48 ('net/mlx4: Adapt code for N-Port VF') Signed-off-by: Matan Barak <matanb@mellanox.com> Signed-off-by: Jack Morgenstein <jackm@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/resource_tracker.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
index 3b5f53ef29b2..1c3fdd4a1f7d 100644
--- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
+++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
@@ -3733,6 +3733,25 @@ static int qp_detach(struct mlx4_dev *dev, struct mlx4_qp *qp,
}
}
+static int mlx4_adjust_port(struct mlx4_dev *dev, int slave,
+ u8 *gid, enum mlx4_protocol prot)
+{
+ int real_port;
+
+ if (prot != MLX4_PROT_ETH)
+ return 0;
+
+ if (dev->caps.steering_mode == MLX4_STEERING_MODE_B0 ||
+ dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) {
+ real_port = mlx4_slave_convert_port(dev, slave, gid[5]);
+ if (real_port < 0)
+ return -EINVAL;
+ gid[5] = real_port;
+ }
+
+ return 0;
+}
+
int mlx4_QP_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
struct mlx4_vhcr *vhcr,
struct mlx4_cmd_mailbox *inbox,
@@ -3768,6 +3787,10 @@ int mlx4_QP_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
if (err)
goto ex_detach;
} else {
+ err = mlx4_adjust_port(dev, slave, gid, prot);
+ if (err)
+ goto ex_put;
+
err = rem_mcg_res(dev, slave, rqp, gid, prot, type, &reg_id);
if (err)
goto ex_put;