RDMA/mlx5: Support querying per-plane IB PortCounters

MarkZhang81 · rleon · commit eb3d354efb39 · 2024-11-04T06:57:20.000-05:00
On a SMI device, set requested plane_num when querying PPCNT register with the PortCounters Attribute group. Signed-off-by: Mark Zhang <markzhang@nvidia.com> Reviewed-by: Maher Sanalla <msanalla@nvidia.com> Link: https://patch.msgid.link/828d57444a0a41042556bb0a4394ecf2fcaed639.1730368052.git.leon@kernel.org Signed-off-by: Leon Romanovsky <leon@kernel.org>
diff --git a/drivers/infiniband/hw/mlx5/mad.c b/drivers/infiniband/hw/mlx5/mad.c
@@ -278,7 +278,13 @@ static int process_pma_cmd(struct mlx5_ib_dev *dev, u32 port_num,
 			goto done;
 		}
 
-		err = query_ib_ppcnt(mdev, mdev_port_num, 0, out_cnt, sz, 0);
+		if (dev->ib_dev.type == RDMA_DEVICE_TYPE_SMI)
+			err = query_ib_ppcnt(mdev, mdev_port_num, port_num,
+					     out_cnt, sz, 0);
+		else
+			err = query_ib_ppcnt(mdev, mdev_port_num, 0,
+					     out_cnt, sz, 0);
+
 		if (!err)
 			pma_cnt_assign(pma_cnt, out_cnt);
 	}

Original file line number	Diff line number	Diff line change
`@@ -278,7 +278,13 @@ static int process_pma_cmd(struct mlx5_ib_dev *dev, u32 port_num,`
`278`	`278`	`goto done;`
`279`	`279`	`}`
`280`	`280`
`281`		`- err = query_ib_ppcnt(mdev, mdev_port_num, 0, out_cnt, sz, 0);`
	`281`	`+ if (dev->ib_dev.type == RDMA_DEVICE_TYPE_SMI)`
	`282`	`+ err = query_ib_ppcnt(mdev, mdev_port_num, port_num,`
	`283`	`+ out_cnt, sz, 0);`
	`284`	`+ else`
	`285`	`+ err = query_ib_ppcnt(mdev, mdev_port_num, 0,`
	`286`	`+ out_cnt, sz, 0);`
	`287`	`+`
`282`	`288`	`if (!err)`
`283`	`289`	`pma_cnt_assign(pma_cnt, out_cnt);`
`284`	`290`	`}`