From 746aa3c8cb1a650ff2583497ac646e505831b9b9 Mon Sep 17 00:00:00 2001
From: Mark Zhang <markzhang@nvidia.com>
Date: Thu, 20 Apr 2023 04:39:06 +0300
Subject: [PATCH 1/1] RDMA/mlx5: Use correct device num_ports when modify DC
Git-commit: 746aa3c8cb1a650ff2583497ac646e505831b9b9
Patch-mainline: v6.4-rc1
References: git-fixes
Just like other QP types, when modify DC, the port_num should be compared
with dev->num_ports, instead of HCA_CAP.num_ports. Otherwise Multi-port
vHCA on DC may not work.
Fixes: 776a3906b692 ("IB/mlx5: Add support for DC target QP")
Link: https://lore.kernel.org/r/20230420013906.1244185-1-markzhang@nvidia.com
Signed-off-by: Mark Zhang <markzhang@nvidia.com>
Reviewed-by: Maor Gottlieb <maorg@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Acked-by: Nicolas Morey <nmorey@suse.com>
---
drivers/infiniband/hw/mlx5/qp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index 1093d3a0ed43..70ca8ffa9256 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -4493,7 +4493,7 @@ static int mlx5_ib_modify_dct(struct ib_qp *ibqp, struct ib_qp_attr *attr,
return -EINVAL;
if (attr->port_num == 0 ||
- attr->port_num > MLX5_CAP_GEN(dev->mdev, num_ports)) {
+ attr->port_num > dev->num_ports) {
mlx5_ib_dbg(dev, "invalid port number %d. number of ports is %d\n",
attr->port_num, dev->num_ports);
return -EINVAL;
--
2.39.1.1.gbe015eda0162