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[net-next,2/3] devlink: Show external port attribute

Message ID 20200918080300.35132-3-parav@nvidia.com
State Superseded
Delegated to: David Ahern
Headers show
Series devlink show controller and external info | expand

Commit Message

Parav Pandit Sept. 18, 2020, 8:02 a.m. UTC
If a port is for an external controller, port's external attribute is
set. Show such external attribute.

An example of an external controller port for PCI VF:

$ devlink port show pci/0000:06:00.0/2
pci/0000:06:00.0/2: type eth netdev ens2f0c1pf0vf1 flavour pcivf pfnum 0 vfnum 1 external true splittable false
  function:
    hw_addr 00:00:00:00:00:00

$ devlink port show pci/0000:06:00.0/2 -jp
{
    "port": {
        "pci/0000:06:00.0/2": {
            "type": "eth",
            "netdev": "ens2f0c1pf0vf1",
            "flavour": "pcivf",
            "pfnum": 0,
            "vfnum": 1,
            "external": true,
            "splittable": false,
            "function": {
                "hw_addr": "00:00:00:00:00:00"
            }
        }
    }
}

Signed-off-by: Parav Pandit <parav@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
---
 devlink/devlink.c | 6 ++++++
 1 file changed, 6 insertions(+)
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Patch

diff --git a/devlink/devlink.c b/devlink/devlink.c
index 007677a5..9f99c031 100644
--- a/devlink/devlink.c
+++ b/devlink/devlink.c
@@ -3351,6 +3351,12 @@  static void pr_out_port_pfvf_num(struct dl *dl, struct nlattr **tb)
 		fn_num = mnl_attr_get_u16(tb[DEVLINK_ATTR_PORT_PCI_VF_NUMBER]);
 		print_uint(PRINT_ANY, "vfnum", " vfnum %u", fn_num);
 	}
+	if (tb[DEVLINK_ATTR_PORT_EXTERNAL]) {
+		uint8_t external;
+
+		external = mnl_attr_get_u8(tb[DEVLINK_ATTR_PORT_EXTERNAL]);
+		print_bool(PRINT_ANY, "external", " external %s", external);
+	}
 }
 
 static void pr_out_port_function(struct dl *dl, struct nlattr **tb_port)