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authorDanielle Ratson <danieller@mellanox.com>2020-07-09 16:18:18 +0300
committerDavid S. Miller <davem@davemloft.net>2020-07-09 13:15:29 -0700
commita21cf0a8330bba60e44ca6c99e1591042f336ff5 (patch)
tree47f66f8336258aac25fe6d09a31a25ec663a5a82 /include
parent622d3e9201072aaa94d6291b8dee05e3dd50c3af (diff)
devlink: Add a new devlink port lanes attribute and pass to netlink
Add a new devlink port attribute that indicates the port's number of lanes. Drivers are expected to set it via devlink_port_attrs_set(), before registering the port. The attribute is not passed to user space in case the number of lanes is invalid (0). Signed-off-by: Danielle Ratson <danieller@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
-rw-r--r--include/net/devlink.h2
-rw-r--r--include/uapi/linux/devlink.h2
2 files changed, 4 insertions, 0 deletions
diff --git a/include/net/devlink.h b/include/net/devlink.h
index 8f9db991192d..91a9f8770d08 100644
--- a/include/net/devlink.h
+++ b/include/net/devlink.h
@@ -68,10 +68,12 @@ struct devlink_port_pci_vf_attrs {
* struct devlink_port_attrs - devlink port object
* @flavour: flavour of the port
* @split: indicates if this is split port
+ * @lanes: maximum number of lanes the port supports. 0 value is not passed to netlink.
* @switch_id: if the port is part of switch, this is buffer with ID, otherwise this is NULL
*/
struct devlink_port_attrs {
u8 split:1;
+ u32 lanes;
enum devlink_port_flavour flavour;
struct netdev_phys_item_id switch_id;
union {
diff --git a/include/uapi/linux/devlink.h b/include/uapi/linux/devlink.h
index 87c83a82991b..f741ab8d9cf0 100644
--- a/include/uapi/linux/devlink.h
+++ b/include/uapi/linux/devlink.h
@@ -455,6 +455,8 @@ enum devlink_attr {
DEVLINK_ATTR_INFO_BOARD_SERIAL_NUMBER, /* string */
+ DEVLINK_ATTR_PORT_LANES, /* u32 */
+
/* add new attributes above here, update the policy in devlink.c */
__DEVLINK_ATTR_MAX,