mlx4_core: Get the maximum message size from reported device capabilities

Get the maximum message size from the device capabilities returned
from the QUERY_DEV_CAP firmware command, rather than hard-coding 2 GB.

Signed-off-by: Dotan Barak <dotanb@dev.mellanox.co.il>
Signed-off-by: Michael S. Tsirkin <mst@dev.mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index c591616dccd..2fc8ccebaac 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -169,7 +169,7 @@ static int mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
         props->phys_state       = out_mad->data[33] >> 4;
         props->port_cap_flags   = be32_to_cpup((__be32 *) (out_mad->data + 20));
         props->gid_tbl_len      = to_mdev(ibdev)->dev->caps.gid_table_len[port];
-        props->max_msg_sz       = 0x80000000;
+        props->max_msg_sz       = to_mdev(ibdev)->dev->caps.max_msg_sz;
         props->pkey_tbl_len     = to_mdev(ibdev)->dev->caps.pkey_table_len[port];
         props->bad_pkey_cntr    = be16_to_cpup((__be16 *) (out_mad->data + 46));
         props->qkey_viol_cntr   = be16_to_cpup((__be16 *) (out_mad->data + 48));