mlx4_core: Add proxy and tunnel QPs to the reserved QP area

In addition, pass the proxy and tunnel QP numbers to slaves so the
driver can perform special QP paravirtualization.

Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Roland Dreier <roland@purestorage.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
index 2f816c6aed72..06ef3afbc49a 100644
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -384,6 +384,7 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
                 dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_ADDR] +
                 dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_EXCH];
 
+        dev->caps.sqp_demux = (mlx4_is_master(dev)) ? MLX4_MAX_NUM_SLAVES : 0;
         return 0;
 }
 /*The function checks if there are live vf, return the num of them*/
@@ -541,6 +542,10 @@ static int mlx4_slave_cap(struct mlx4_dev *dev)
                 return -ENODEV;
         }
 
+        /* Calculate our sqp_start */
+        dev->caps.sqp_start = func_cap.base_proxy_qpn;
+        dev->caps.base_tunnel_sqpn = func_cap.base_tunnel_qpn;
+
         return 0;
 }