IB/mlx5: Report CapabilityMask2 in ib_query_port

CapabilityMask2 exists when IB_PORT_CAP_MASK2_SUP is set in the original
capability mask. In such cases, query its value and report it in query
port.
Signed-off-by: Michael Guralnik <michaelgur@mellanox.com>
Reviewed-by: Majd Dibbiny <majd@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

drivers/infiniband/hw/mlx5/mad.c

@@ -568,6 +568,10 @@ int mlx5_query_mad_ifc_port(struct ib_device *ibdev, u8 port,
 	props->max_vl_num	= out_mad->data[37] >> 4;
 	props->init_type_reply	= out_mad->data[41] >> 4;
 
+	if (props->port_cap_flags & IB_PORT_CAP_MASK2_SUP)
+		props->port_cap_flags2 =
+			be16_to_cpup((__be16 *)(out_mad->data + 60));
+
 	/* Check if extended speeds (EDR/FDR/...) are supported */
 	if (props->port_cap_flags & IB_PORT_EXTENDED_SPEEDS_SUP) {
 		ext_active_speed = out_mad->data[62] >> 4;

drivers/infiniband/hw/mlx5/main.c

@@ -1228,6 +1228,9 @@ static int mlx5_query_hca_port(struct ib_device *ibdev, u8 port,
 	props->subnet_timeout	= rep->subnet_timeout;
 	props->init_type_reply	= rep->init_type_reply;
 
+	if (props->port_cap_flags & IB_PORT_CAP_MASK2_SUP)
+		props->port_cap_flags2 = rep->cap_mask2;
+
 	err = mlx5_query_port_link_width_oper(mdev, &ib_link_width_oper, port);
 	if (err)
 		goto out;

include/linux/mlx5/driver.h

@@ -749,8 +749,8 @@ struct mlx5_hca_vport_context {
 	u64			node_guid;
 	u32			cap_mask1;
 	u32			cap_mask1_perm;
-	u32			cap_mask2;
-	u32			cap_mask2_perm;
+	u16			cap_mask2;
+	u16			cap_mask2_perm;
 	u16			lid;
 	u8			init_type_reply; /* bitmask: see ib spec 14.2.5.6 InitTypeReply */
 	u8			lmc;